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gtk2/gtk/gtkstyle.c
Matthias Clasen 40b2753db5 Document which parameters may be NULL. (#166855, Frank Naumann) 
2005-03-07  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtkstyle.c: Document which parameters may be NULL.
	(#166855, Frank Naumann)
2005-03-07 22:02:43 +00:00

6936 lines
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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <config.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "gtkalias.h"
#include "gtkgc.h"
#include "gtkmarshalers.h"
#include "gtkrc.h"
#include "gtkspinbutton.h"
#include "gtkstyle.h"
#include "gtkwidget.h"
#include "gtkthemes.h"
#include "gtkiconfactory.h"
#include "gtksettings.h" /* _gtk_settings_parse_convert() */
#define LIGHTNESS_MULT 1.3
#define DARKNESS_MULT 0.7
/* --- typedefs & structures --- */
typedef struct {
GType widget_type;
GParamSpec *pspec;
GValue value;
} PropertyValue;
/* --- prototypes --- */
static void gtk_style_init (GtkStyle *style);
static void gtk_style_class_init (GtkStyleClass *klass);
static void gtk_style_finalize (GObject *object);
static void gtk_style_realize (GtkStyle *style,
GdkColormap *colormap);
static void gtk_style_real_realize (GtkStyle *style);
static void gtk_style_real_unrealize (GtkStyle *style);
static void gtk_style_real_copy (GtkStyle *style,
GtkStyle *src);
static void gtk_style_real_set_background (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type);
static GtkStyle *gtk_style_real_clone (GtkStyle *style);
static void gtk_style_real_init_from_rc (GtkStyle *style,
GtkRcStyle *rc_style);
static GdkPixbuf *gtk_default_render_icon (GtkStyle *style,
const GtkIconSource *source,
GtkTextDirection direction,
GtkStateType state,
GtkIconSize size,
GtkWidget *widget,
const gchar *detail);
static void gtk_default_draw_hline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x1,
gint x2,
gint y);
static void gtk_default_draw_vline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint y1,
gint y2,
gint x);
static void gtk_default_draw_shadow (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_polygon (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GdkPoint *points,
gint npoints,
gboolean fill);
static void gtk_default_draw_arrow (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GtkArrowType arrow_type,
gboolean fill,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_diamond (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_string (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
const gchar *string);
static void gtk_default_draw_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_flat_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_check (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_option (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_tab (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_shadow_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width);
static void gtk_default_draw_box_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width);
static void gtk_default_draw_extension (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side);
static void gtk_default_draw_focus (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height);
static void gtk_default_draw_slider (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation);
static void gtk_default_draw_handle (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation);
static void gtk_default_draw_expander (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
GtkExpanderStyle expander_style);
static void gtk_default_draw_layout (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gboolean use_text,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
PangoLayout *layout);
static void gtk_default_draw_resize_grip (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GdkWindowEdge edge,
gint x,
gint y,
gint width,
gint height);
static void gtk_style_shade (GdkColor *a,
GdkColor *b,
gdouble k);
static void rgb_to_hls (gdouble *r,
gdouble *g,
gdouble *b);
static void hls_to_rgb (gdouble *h,
gdouble *l,
gdouble *s);
static void style_unrealize_cursor_gcs (GtkStyle *style);
static GdkFont *gtk_style_get_font_internal (GtkStyle *style);
/*
* Data for default check and radio buttons
*/
static const GtkRequisition default_option_indicator_size = { 7, 13 };
static const GtkBorder default_option_indicator_spacing = { 7, 5, 2, 2 };
#define INDICATOR_PART_SIZE 13
typedef enum {
CHECK_AA,
CHECK_BASE,
CHECK_BLACK,
CHECK_DARK,
CHECK_LIGHT,
CHECK_MID,
CHECK_TEXT,
CHECK_INCONSISTENT_TEXT,
RADIO_BASE,
RADIO_BLACK,
RADIO_DARK,
RADIO_LIGHT,
RADIO_MID,
RADIO_TEXT,
RADIO_INCONSISTENT_AA,
RADIO_INCONSISTENT_TEXT
} IndicatorPart;
/*
* Extracted from check-13.png, width=13, height=13
*/
static const guchar check_black_bits[] = {
0x00,0x00,0xfe,0x0f,0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02,
0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x00,0x00,0x00,0x00};
static const guchar check_dark_bits[] = {
0xff,0x1f,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,
0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x00,0x00};
static const guchar check_mid_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x08,0x00,0x08,0x00,0x08,0x00,0x08,0x00,
0x08,0x00,0x08,0x00,0x08,0x00,0x08,0xfc,0x0f,0x00,0x00,0x00,0x00};
static const guchar check_light_bits[] = {
0x00,0x00,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,
0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0xfe,0x1f,0x00,0x00};
static const guchar check_text_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x03,0x80,0x01,0x80,0x00,0x58,
0x00,0x60,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
static const guchar check_aa_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x58,0x00,0xa0,
0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
static const guchar check_base_bits[] = {
0x00,0x00,0x00,0x00,0xfc,0x07,0xfc,0x07,0xfc,0x07,0xfc,0x07,0xfc,0x07,0xfc,
0x07,0xfc,0x07,0xfc,0x07,0xfc,0x07,0x00,0x00,0x00,0x00,0x00,0x00};
/*
* Extracted from check-13-inconsistent.png, width=13, height=13
*/
static const guchar check_inconsistent_text_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf8,0x03,0xf8,
0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
#if 0
/*
* check_inconsistent_aa_bits is currently not used, since it is all zeros.
*/
static const guchar check_inconsistent_aa_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
#endif
/*
* Extracted from radio-13.png, width=13, height=13
*/
static const guchar radio_black_bits[] = {
0x00,0x00,0xf0,0x01,0x0c,0x02,0x04,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02,
0x00,0x02,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0d,0x08};
static const guchar radio_dark_bits[] = {
0xf0,0x00,0x0c,0x02,0x02,0x04,0x02,0x04,0x01,0x08,0x01,0x08,0x01,0x08,0x01,
0x08,0x00,0x08,0x02,0x04,0x0c,0x06,0xf0,0x01,0x00,0x00,0x00,0x00};
static const guchar radio_mid_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
static const guchar radio_light_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x10,0x00,
0x10,0x00,0x10,0x00,0x08,0x00,0x08,0x00,0x06,0xe0,0x01,0x00,0x00};
static const guchar radio_text_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x00,0xf0,0x01,0xf0,0x01,0xf0,
0x01,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
#if 0
/*
* radio_aa_bits is currently not used, since it is all zeros.
*/
static const guchar radio_aa_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
#endif
static const guchar radio_base_bits[] = {
0x00,0x00,0x00,0x00,0xf0,0x01,0xf8,0x03,0xfc,0x07,0xfc,0x07,0xfc,0x07,0xfc,
0x07,0xfc,0x07,0xf8,0x03,0xf0,0x01,0x00,0x00,0x00,0x00,0x00,0x00};
/*
* Extracted from radio-13.png, width=13, height=13
*/
static const guchar radio_inconsistent_text_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf8,0x03,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
static const guchar radio_inconsistent_aa_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf8,0x03,0x00,0x00,0xf8,
0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
static struct {
const guchar *bits;
GList *bmap_list; /* list of GdkBitmap */
} indicator_parts[] = {
{ check_aa_bits, NULL },
{ check_base_bits, NULL },
{ check_black_bits, NULL },
{ check_dark_bits, NULL },
{ check_light_bits, NULL },
{ check_mid_bits, NULL },
{ check_text_bits, NULL },
{ check_inconsistent_text_bits, NULL },
{ radio_base_bits, NULL },
{ radio_black_bits, NULL },
{ radio_dark_bits, NULL },
{ radio_light_bits, NULL },
{ radio_mid_bits, NULL },
{ radio_text_bits, NULL },
{ radio_inconsistent_aa_bits, NULL },
{ radio_inconsistent_text_bits, NULL },
};
#define GTK_GRAY 0xdcdc, 0xdada, 0xd5d5
#define GTK_DARK_GRAY 0xc4c4, 0xc2c2, 0xbdbd
#define GTK_LIGHT_GRAY 0xeeee, 0xebeb, 0xe7e7
#define GTK_WHITE 0xffff, 0xffff, 0xffff
#define GTK_BLUE 0x4b4b, 0x6969, 0x8383
#define GTK_VERY_DARK_GRAY 0x9c9c, 0x9a9a, 0x9494
#define GTK_BLACK 0x0000, 0x0000, 0x0000
#define GTK_WEAK_GRAY 0x7530, 0x7530, 0x7530
/* --- variables --- */
static const GdkColor gtk_default_normal_fg = { 0, GTK_BLACK };
static const GdkColor gtk_default_active_fg = { 0, GTK_BLACK };
static const GdkColor gtk_default_prelight_fg = { 0, GTK_BLACK };
static const GdkColor gtk_default_selected_fg = { 0, GTK_WHITE };
static const GdkColor gtk_default_insensitive_fg = { 0, GTK_WEAK_GRAY };
static const GdkColor gtk_default_normal_bg = { 0, GTK_GRAY };
static const GdkColor gtk_default_active_bg = { 0, GTK_DARK_GRAY };
static const GdkColor gtk_default_prelight_bg = { 0, GTK_LIGHT_GRAY };
static const GdkColor gtk_default_selected_bg = { 0, GTK_BLUE };
static const GdkColor gtk_default_insensitive_bg = { 0, GTK_GRAY };
static const GdkColor gtk_default_selected_base = { 0, GTK_BLUE };
static const GdkColor gtk_default_active_base = { 0, GTK_VERY_DARK_GRAY };
static gpointer parent_class = NULL;
/* --- signals --- */
static guint realize_signal = 0;
static guint unrealize_signal = 0;
/* --- functions --- */
GType
gtk_style_get_type (void)
{
static GType style_type = 0;
if (!style_type)
{
static const GTypeInfo style_info =
{
sizeof (GtkStyleClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gtk_style_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkStyle),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_style_init,
};
style_type = g_type_register_static (G_TYPE_OBJECT, "GtkStyle",
&style_info, 0);
}
return style_type;
}
/**
* _gtk_style_init_for_settings:
* @style: a #GtkStyle
* @settings: a #GtkSettings
*
* Initializes the font description in @style according to the default
* font name of @settings. This is called for gtk_style_new() with
* the settings for the default screen (if any); if we are creating
* a style for a particular screen, we then call it again in a
* location where we know the correct settings.
* The reason for this is that gtk_rc_style_create_style() doesn't
* take the screen for an argument.
**/
void
_gtk_style_init_for_settings (GtkStyle *style,
GtkSettings *settings)
{
const gchar *font_name = _gtk_rc_context_get_default_font_name (settings);
if (style->font_desc)
pango_font_description_free (style->font_desc);
style->font_desc = pango_font_description_from_string (font_name);
if (!pango_font_description_get_family (style->font_desc))
{
g_warning ("Default font does not have a family set");
pango_font_description_set_family (style->font_desc, "Sans");
}
if (pango_font_description_get_size (style->font_desc) <= 0)
{
g_warning ("Default font does not have a positive size");
pango_font_description_set_size (style->font_desc, 10 * PANGO_SCALE);
}
}
static void
gtk_style_init (GtkStyle *style)
{
gint i;
GtkSettings *settings = gtk_settings_get_default ();
if (settings)
_gtk_style_init_for_settings (style, settings);
else
style->font_desc = pango_font_description_from_string ("Sans 10");
style->attach_count = 0;
style->colormap = NULL;
style->depth = -1;
style->black.red = 0;
style->black.green = 0;
style->black.blue = 0;
style->white.red = 65535;
style->white.green = 65535;
style->white.blue = 65535;
style->black_gc = NULL;
style->white_gc = NULL;
style->fg[GTK_STATE_NORMAL] = gtk_default_normal_fg;
style->fg[GTK_STATE_ACTIVE] = gtk_default_active_fg;
style->fg[GTK_STATE_PRELIGHT] = gtk_default_prelight_fg;
style->fg[GTK_STATE_SELECTED] = gtk_default_selected_fg;
style->fg[GTK_STATE_INSENSITIVE] = gtk_default_insensitive_fg;
style->bg[GTK_STATE_NORMAL] = gtk_default_normal_bg;
style->bg[GTK_STATE_ACTIVE] = gtk_default_active_bg;
style->bg[GTK_STATE_PRELIGHT] = gtk_default_prelight_bg;
style->bg[GTK_STATE_SELECTED] = gtk_default_selected_bg;
style->bg[GTK_STATE_INSENSITIVE] = gtk_default_insensitive_bg;
for (i = 0; i < 4; i++)
{
style->text[i] = style->fg[i];
style->base[i] = style->white;
}
style->base[GTK_STATE_SELECTED] = gtk_default_selected_base;
style->text[GTK_STATE_SELECTED] = style->white;
style->base[GTK_STATE_ACTIVE] = gtk_default_active_base;
style->text[GTK_STATE_ACTIVE] = style->white;
style->base[GTK_STATE_INSENSITIVE] = gtk_default_prelight_bg;
style->text[GTK_STATE_INSENSITIVE] = gtk_default_insensitive_fg;
for (i = 0; i < 5; i++)
style->bg_pixmap[i] = NULL;
style->rc_style = NULL;
for (i = 0; i < 5; i++)
{
style->fg_gc[i] = NULL;
style->bg_gc[i] = NULL;
style->light_gc[i] = NULL;
style->dark_gc[i] = NULL;
style->mid_gc[i] = NULL;
style->text_gc[i] = NULL;
style->base_gc[i] = NULL;
style->text_aa_gc[i] = NULL;
}
style->xthickness = 2;
style->ythickness = 2;
style->property_cache = NULL;
}
static void
gtk_style_class_init (GtkStyleClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gtk_style_finalize;
klass->clone = gtk_style_real_clone;
klass->copy = gtk_style_real_copy;
klass->init_from_rc = gtk_style_real_init_from_rc;
klass->realize = gtk_style_real_realize;
klass->unrealize = gtk_style_real_unrealize;
klass->set_background = gtk_style_real_set_background;
klass->render_icon = gtk_default_render_icon;
klass->draw_hline = gtk_default_draw_hline;
klass->draw_vline = gtk_default_draw_vline;
klass->draw_shadow = gtk_default_draw_shadow;
klass->draw_polygon = gtk_default_draw_polygon;
klass->draw_arrow = gtk_default_draw_arrow;
klass->draw_diamond = gtk_default_draw_diamond;
klass->draw_string = gtk_default_draw_string;
klass->draw_box = gtk_default_draw_box;
klass->draw_flat_box = gtk_default_draw_flat_box;
klass->draw_check = gtk_default_draw_check;
klass->draw_option = gtk_default_draw_option;
klass->draw_tab = gtk_default_draw_tab;
klass->draw_shadow_gap = gtk_default_draw_shadow_gap;
klass->draw_box_gap = gtk_default_draw_box_gap;
klass->draw_extension = gtk_default_draw_extension;
klass->draw_focus = gtk_default_draw_focus;
klass->draw_slider = gtk_default_draw_slider;
klass->draw_handle = gtk_default_draw_handle;
klass->draw_expander = gtk_default_draw_expander;
klass->draw_layout = gtk_default_draw_layout;
klass->draw_resize_grip = gtk_default_draw_resize_grip;
/**
* GtkStyle::realize:
* @style: the object which received the signal
*
* Emitted when the style has been initialized for a particular
* colormap and depth. Connecting to this signal is probably seldom
* useful since most of the time applications and widgets only
* deal with styles that have been already realized.
*
* Since: 2.4
*/
realize_signal = g_signal_new ("realize",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkStyleClass, realize),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* GtkStyle::unrealize:
* @style: the object which received the signal
*
* Emitted when the aspects of the style specific to a particular colormap
* and depth are being cleaned up. A connection to this signal can be useful
* if a widget wants to cache objects like a #GdkGC as object data on #GtkStyle.
* This signal provides a convenient place to free such cached objects.
*
* Since: 2.4
*/
unrealize_signal = g_signal_new ("unrealize",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkStyleClass, unrealize),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
clear_property_cache (GtkStyle *style)
{
if (style->property_cache)
{
guint i;
for (i = 0; i < style->property_cache->len; i++)
{
PropertyValue *node = &g_array_index (style->property_cache, PropertyValue, i);
g_param_spec_unref (node->pspec);
g_value_unset (&node->value);
}
g_array_free (style->property_cache, TRUE);
style->property_cache = NULL;
}
}
static void
gtk_style_finalize (GObject *object)
{
GtkStyle *style = GTK_STYLE (object);
g_return_if_fail (style->attach_count == 0);
clear_property_cache (style);
/* All the styles in the list have the same
* style->styles pointer. If we delete the
* *first* style from the list, we need to update
* the style->styles pointers from all the styles.
* Otherwise we simply remove the node from
* the list.
*/
if (style->styles)
{
if (style->styles->data != style)
g_slist_remove (style->styles, style);
else
{
GSList *tmp_list = style->styles->next;
while (tmp_list)
{
GTK_STYLE (tmp_list->data)->styles = style->styles->next;
tmp_list = tmp_list->next;
}
g_slist_free_1 (style->styles);
}
}
if (style->icon_factories)
{
GSList *tmp_list = style->icon_factories;
while (tmp_list)
{
g_object_unref (tmp_list->data);
tmp_list = tmp_list->next;
}
g_slist_free (style->icon_factories);
}
pango_font_description_free (style->font_desc);
if (style->private_font)
gdk_font_unref (style->private_font);
if (style->private_font_desc)
pango_font_description_free (style->private_font_desc);
if (style->rc_style)
gtk_rc_style_unref (style->rc_style);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
GtkStyle*
gtk_style_copy (GtkStyle *style)
{
GtkStyle *new_style;
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
new_style = GTK_STYLE_GET_CLASS (style)->clone (style);
GTK_STYLE_GET_CLASS (style)->copy (new_style, style);
return new_style;
}
static GtkStyle*
gtk_style_duplicate (GtkStyle *style)
{
GtkStyle *new_style;
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
new_style = gtk_style_copy (style);
/* All the styles in the list have the same
* style->styles pointer. When we insert a new
* style, we append it to the list to avoid having
* to update the existing ones.
*/
style->styles = g_slist_append (style->styles, new_style);
new_style->styles = style->styles;
return new_style;
}
/**
* gtk_style_new:
* @returns: a new #GtkStyle.
*
* Creates a new #GtkStyle.
**/
GtkStyle*
gtk_style_new (void)
{
GtkStyle *style;
style = g_object_new (GTK_TYPE_STYLE, NULL);
return style;
}
/**
* gtk_style_attach:
* @style: a #GtkStyle.
* @window: a #GdkWindow.
* @returns: Either @style, or a newly-created #GtkStyle.
* If the style is newly created, the style parameter
* will be dereferenced, and the new style will have
* a reference count belonging to the caller.
*
* Attaches a style to a window; this process allocates the
* colors and creates the GC's for the style - it specializes
* it to a particular visual and colormap. The process may
* involve the creation of a new style if the style has already
* been attached to a window with a different style and colormap.
**/
GtkStyle*
gtk_style_attach (GtkStyle *style,
GdkWindow *window)
{
GSList *styles;
GtkStyle *new_style = NULL;
GdkColormap *colormap;
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
g_return_val_if_fail (window != NULL, NULL);
colormap = gdk_drawable_get_colormap (window);
if (!style->styles)
style->styles = g_slist_append (NULL, style);
styles = style->styles;
while (styles)
{
new_style = styles->data;
if (new_style->colormap == colormap)
break;
new_style = NULL;
styles = styles->next;
}
if (!new_style)
{
styles = style->styles;
while (styles)
{
new_style = styles->data;
if (new_style->attach_count == 0)
{
gtk_style_realize (new_style, colormap);
break;
}
new_style = NULL;
styles = styles->next;
}
}
if (!new_style)
{
new_style = gtk_style_duplicate (style);
if (gdk_colormap_get_screen (style->colormap) != gdk_colormap_get_screen (colormap) &&
new_style->private_font)
{
gdk_font_unref (new_style->private_font);
new_style->private_font = NULL;
}
gtk_style_realize (new_style, colormap);
}
/* A style gets a refcount from being attached */
if (new_style->attach_count == 0)
g_object_ref (new_style);
/* Another refcount belongs to the parent */
if (style != new_style)
{
g_object_unref (style);
g_object_ref (new_style);
}
new_style->attach_count++;
return new_style;
}
void
gtk_style_detach (GtkStyle *style)
{
g_return_if_fail (GTK_IS_STYLE (style));
style->attach_count -= 1;
if (style->attach_count == 0)
{
g_signal_emit (style, unrealize_signal, 0);
g_object_unref (style->colormap);
style->colormap = NULL;
if (style->private_font_desc)
{
if (style->private_font)
{
gdk_font_unref (style->private_font);
style->private_font = NULL;
}
pango_font_description_free (style->private_font_desc);
style->private_font_desc = NULL;
}
g_object_unref (style);
}
}
/**
* gtk_style_ref:
* @style: a #GtkStyle.
* @returns: @style.
*
* Deprecated equivalent of g_object_ref().
**/
GtkStyle*
gtk_style_ref (GtkStyle *style)
{
return (GtkStyle *) g_object_ref (style);
}
/**
* gtk_style_unref:
* @style: a #GtkStyle.
*
* Deprecated equivalent of g_object_unref().
**/
void
gtk_style_unref (GtkStyle *style)
{
g_object_unref (style);
}
static void
gtk_style_realize (GtkStyle *style,
GdkColormap *colormap)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GDK_IS_COLORMAP (colormap));
style->colormap = g_object_ref (colormap);
style->depth = gdk_colormap_get_visual (colormap)->depth;
g_signal_emit (style, realize_signal, 0);
}
GtkIconSet*
gtk_style_lookup_icon_set (GtkStyle *style,
const char *stock_id)
{
GSList *iter;
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
g_return_val_if_fail (stock_id != NULL, NULL);
iter = style->icon_factories;
while (iter != NULL)
{
GtkIconSet *icon_set = gtk_icon_factory_lookup (GTK_ICON_FACTORY (iter->data),
stock_id);
if (icon_set)
return icon_set;
iter = g_slist_next (iter);
}
return gtk_icon_factory_lookup_default (stock_id);
}
/**
* gtk_draw_hline:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @x1: the starting x coordinate
* @x2: the ending x coordinate
* @y: the y coordinate
*
* Draws a horizontal line from (@x1, @y) to (@x2, @y) in @window
* using the given style and state.
*
* Deprecated: Use gtk_paint_hline() instead.
**/
void
gtk_draw_hline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gint x1,
gint x2,
gint y)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_hline != NULL);
GTK_STYLE_GET_CLASS (style)->draw_hline (style, window, state_type, NULL, NULL, NULL, x1, x2, y);
}
/**
* gtk_draw_vline:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @y1_: the starting y coordinate
* @y2_: the ending y coordinate
* @x: the x coordinate
*
* Draws a vertical line from (@x, @y1_) to (@x, @y2_) in @window
* using the given style and state.
*
* Deprecated: Use gtk_paint_vline() instead.
**/
void
gtk_draw_vline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gint y1_,
gint y2_,
gint x)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_vline != NULL);
GTK_STYLE_GET_CLASS (style)->draw_vline (style, window, state_type, NULL, NULL, NULL, y1_, y2_, x);
}
/**
* gtk_draw_shadow:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @x: x origin of the rectangle
* @y: y origin of the rectangle
* @width: width of the rectangle
* @height: width of the rectangle
*
* Draws a shadow around the given rectangle in @window
* using the given style and state and shadow type.
*
* Deprecated: Use gtk_paint_shadow() instead.
*/
void
gtk_draw_shadow (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_shadow != NULL);
GTK_STYLE_GET_CLASS (style)->draw_shadow (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height);
}
/**
* gtk_draw_polygon:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @points: an array of #GdkPoint<!-- -->s
* @npoints: length of @points
* @fill: %TRUE if the polygon should be filled
*
* Draws a polygon on @window with the given parameters.
*
* Deprecated: Use gtk_paint_polygon() instead.
*/
void
gtk_draw_polygon (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkPoint *points,
gint npoints,
gboolean fill)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_polygon != NULL);
GTK_STYLE_GET_CLASS (style)->draw_polygon (style, window, state_type, shadow_type, NULL, NULL, NULL, points, npoints, fill);
}
/**
* gtk_draw_arrow:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @arrow_type: the type of arrow to draw
* @fill: %TRUE if the arrow tip should be filled
* @x: x origin of the rectangle to draw the arrow in
* @y: y origin of the rectangle to draw the arrow in
* @width: width of the rectangle to draw the arrow in
* @height: height of the rectangle to draw the arrow in
*
* Draws an arrow in the given rectangle on @window using the given
* parameters. @arrow_type determines the direction of the arrow.
*
* Deprecated: Use gtk_paint_arrow() instead.
*/
void
gtk_draw_arrow (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GtkArrowType arrow_type,
gboolean fill,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_arrow != NULL);
GTK_STYLE_GET_CLASS (style)->draw_arrow (style, window, state_type, shadow_type, NULL, NULL, NULL, arrow_type, fill, x, y, width, height);
}
/**
* gtk_draw_diamond:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @x: x origin of the rectangle to draw the diamond in
* @y: y origin of the rectangle to draw the diamond in
* @width: width of the rectangle to draw the diamond in
* @height: height of the rectangle to draw the diamond in
*
* Draws a diamond in the given rectangle on @window using the given
* parameters.
*
* Deprecated: Use gtk_paint_diamond() instead.
*/
void
gtk_draw_diamond (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_diamond != NULL);
GTK_STYLE_GET_CLASS (style)->draw_diamond (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height);
}
/**
* gtk_draw_string:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @x: x origin
* @y: y origin
* @string: the string to draw
*
* Draws a text string on @window with the given parameters.
*
* Deprecated: Use gtk_paint_layout() instead.
*/
void
gtk_draw_string (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gint x,
gint y,
const gchar *string)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_string != NULL);
GTK_STYLE_GET_CLASS (style)->draw_string (style, window, state_type, NULL, NULL, NULL, x, y, string);
}
/**
* gtk_draw_box:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @x: x origin of the box
* @y: y origin of the box
* @width: the width of the box
* @height: the height of the box
*
* Draws a box on @window with the given parameters.
*
* Deprecated: Use gtk_paint_box() instead.
*/
void
gtk_draw_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_box != NULL);
GTK_STYLE_GET_CLASS (style)->draw_box (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height);
}
/**
* gtk_draw_flat_box:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @x: x origin of the box
* @y: y origin of the box
* @width: the width of the box
* @height: the height of the box
*
* Draws a flat box on @window with the given parameters.
*
* Deprecated: Use gtk_paint_flat_box() instead.
*/
void
gtk_draw_flat_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_flat_box != NULL);
GTK_STYLE_GET_CLASS (style)->draw_flat_box (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height);
}
/**
* gtk_draw_check:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @x: x origin of the rectangle to draw the check in
* @y: y origin of the rectangle to draw the check in
* @width: the width of the rectangle to draw the check in
* @height: the height of the rectangle to draw the check in
*
* Draws a check button indicator in the given rectangle on @window with
* the given parameters.
*
* Deprecated: Use gtk_paint_check() instead.
*/
void
gtk_draw_check (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_check != NULL);
GTK_STYLE_GET_CLASS (style)->draw_check (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height);
}
/**
* gtk_draw_option:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @x: x origin of the rectangle to draw the option in
* @y: y origin of the rectangle to draw the option in
* @width: the width of the rectangle to draw the option in
* @height: the height of the rectangle to draw the option in
*
* Draws a radio button indicator in the given rectangle on @window with
* the given parameters.
*
* Deprecated: Use gtk_paint_option() instead.
*/
void
gtk_draw_option (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_option != NULL);
GTK_STYLE_GET_CLASS (style)->draw_option (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height);
}
/**
* gtk_draw_tab:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @x: x origin of the rectangle to draw the tab in
* @y: y origin of the rectangle to draw the tab in
* @width: the width of the rectangle to draw the tab in
* @height: the height of the rectangle to draw the tab in
*
* Draws an option menu tab (i.e. the up and down pointing arrows)
* in the given rectangle on @window using the given parameters.
*
* Deprecated: Use gtk_paint_tab() instead.
*/
void
gtk_draw_tab (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_tab != NULL);
GTK_STYLE_GET_CLASS (style)->draw_tab (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height);
}
/**
* gtk_draw_shadow_gap:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @x: x origin of the rectangle
* @y: y origin of the rectangle
* @width: width of the rectangle
* @height: width of the rectangle
* @gap_side: side in which to leave the gap
* @gap_x: starting position of the gap
* @gap_width: width of the gap
*
* Draws a shadow around the given rectangle in @window
* using the given style and state and shadow type, leaving a
* gap in one side.
*
* Deprecated: Use gtk_paint_shadow_gap() instead.
*/
void
gtk_draw_shadow_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_shadow_gap != NULL);
GTK_STYLE_GET_CLASS (style)->draw_shadow_gap (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height, gap_side, gap_x, gap_width);
}
/**
* gtk_draw_box_gap:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @x: x origin of the rectangle
* @y: y origin of the rectangle
* @width: width of the rectangle
* @height: width of the rectangle
* @gap_side: side in which to leave the gap
* @gap_x: starting position of the gap
* @gap_width: width of the gap
*
* Draws a box in @window using the given style and state and shadow type,
* leaving a gap in one side.
*
* Deprecated: Use gtk_paint_box_gap() instead.
*/
void
gtk_draw_box_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_box_gap != NULL);
GTK_STYLE_GET_CLASS (style)->draw_box_gap (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height, gap_side, gap_x, gap_width);
}
/**
* gtk_draw_extension:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @x: x origin of the extension
* @y: y origin of the extension
* @width: width of the extension
* @height: width of the extension
* @gap_side: the side on to which the extension is attached
*
* Draws an extension, i.e. a notebook tab.
*
* Deprecated: Use gtk_paint_extension() instead.
**/
void
gtk_draw_extension (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_extension != NULL);
GTK_STYLE_GET_CLASS (style)->draw_extension (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height, gap_side);
}
/**
* gtk_draw_focus:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @x: the x origin of the rectangle around which to draw a focus indicator
* @y: the y origin of the rectangle around which to draw a focus indicator
* @width: the width of the rectangle around which to draw a focus indicator
* @height: the height of the rectangle around which to draw a focus indicator
*
* Draws a focus indicator around the given rectangle on @window using the
* given style.
*
* Deprecated: Use gtk_paint_focus() instead.
*/
void
gtk_draw_focus (GtkStyle *style,
GdkWindow *window,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_focus != NULL);
GTK_STYLE_GET_CLASS (style)->draw_focus (style, window, GTK_STATE_NORMAL, NULL, NULL, NULL, x, y, width, height);
}
void
gtk_draw_slider (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_slider != NULL);
GTK_STYLE_GET_CLASS (style)->draw_slider (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height, orientation);
}
/**
* gtk_draw_handle:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @x: x origin of the handle
* @y: y origin of the handle
* @width: with of the handle
* @height: height of the handle
* @orientation: the orientation of the handle
*
* Draws a handle as used in #GtkHandleBox and #GtkPaned.
*
* Deprecated: Use gtk_paint_handle() instead.
**/
void
gtk_draw_handle (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_handle != NULL);
GTK_STYLE_GET_CLASS (style)->draw_handle (style, window, state_type, shadow_type, NULL, NULL, NULL, x, y, width, height, orientation);
}
/**
* gtk_draw_expander:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @x: the x position to draw the expander at
* @y: the y position to draw the expander at
* @expander_style: the style to draw the expander in
*
* Draws an expander as used in #GtkTreeView.
*
* Deprecated: Use gtk_paint_expander() instead.
**/
void
gtk_draw_expander (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gint x,
gint y,
GtkExpanderStyle expander_style)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_expander != NULL);
GTK_STYLE_GET_CLASS (style)->draw_expander (style, window, state_type,
NULL, NULL, NULL,
x, y, expander_style);
}
void
gtk_draw_layout (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gboolean use_text,
gint x,
gint y,
PangoLayout *layout)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_layout != NULL);
GTK_STYLE_GET_CLASS (style)->draw_layout (style, window, state_type, use_text,
NULL, NULL, NULL,
x, y, layout);
}
/**
* gtk_draw_resize_grip:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @edge: the edge in which to draw the resize grip
* @x: the x origin of the rectangle in which to draw the resize grip
* @y: the y origin of the rectangle in which to draw the resize grip
* @width: the width of the rectangle in which to draw the resize grip
* @height: the height of the rectangle in which to draw the resize grip
*
* Draws a resize grip in the given rectangle on @window using the given
* parameters.
*
* Deprecated: Use gtk_paint_resize_grip() instead.
*/
void
gtk_draw_resize_grip (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkWindowEdge edge,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_resize_grip != NULL);
GTK_STYLE_GET_CLASS (style)->draw_resize_grip (style, window, state_type,
NULL, NULL, NULL,
edge,
x, y, width, height);
}
/**
* gtk_style_set_background:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
*
* Sets the background of @window to the background color or pixmap
* specified by @style for the given state.
*/
void
gtk_style_set_background (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
GTK_STYLE_GET_CLASS (style)->set_background (style, window, state_type);
}
/* Default functions */
static GtkStyle *
gtk_style_real_clone (GtkStyle *style)
{
return g_object_new (G_OBJECT_TYPE (style), NULL);
}
static void
gtk_style_real_copy (GtkStyle *style,
GtkStyle *src)
{
gint i;
for (i = 0; i < 5; i++)
{
style->fg[i] = src->fg[i];
style->bg[i] = src->bg[i];
style->text[i] = src->text[i];
style->base[i] = src->base[i];
if (style->bg_pixmap[i])
g_object_unref (style->bg_pixmap[i]),
style->bg_pixmap[i] = src->bg_pixmap[i];
if (style->bg_pixmap[i])
g_object_ref (style->bg_pixmap[i]);
}
if (style->private_font)
gdk_font_unref (style->private_font);
style->private_font = src->private_font;
if (style->private_font)
gdk_font_ref (style->private_font);
if (style->font_desc)
pango_font_description_free (style->font_desc);
if (src->font_desc)
style->font_desc = pango_font_description_copy (src->font_desc);
else
style->font_desc = NULL;
style->xthickness = src->xthickness;
style->ythickness = src->ythickness;
if (style->rc_style)
gtk_rc_style_unref (style->rc_style);
style->rc_style = src->rc_style;
if (src->rc_style)
gtk_rc_style_ref (src->rc_style);
/* don't copy, just clear cache */
clear_property_cache (style);
}
static void
gtk_style_real_init_from_rc (GtkStyle *style,
GtkRcStyle *rc_style)
{
gint i;
/* cache _should_ be still empty */
clear_property_cache (style);
if (rc_style->font_desc)
pango_font_description_merge (style->font_desc, rc_style->font_desc, TRUE);
for (i = 0; i < 5; i++)
{
if (rc_style->color_flags[i] & GTK_RC_FG)
style->fg[i] = rc_style->fg[i];
if (rc_style->color_flags[i] & GTK_RC_BG)
style->bg[i] = rc_style->bg[i];
if (rc_style->color_flags[i] & GTK_RC_TEXT)
style->text[i] = rc_style->text[i];
if (rc_style->color_flags[i] & GTK_RC_BASE)
style->base[i] = rc_style->base[i];
}
if (rc_style->xthickness >= 0)
style->xthickness = rc_style->xthickness;
if (rc_style->ythickness >= 0)
style->ythickness = rc_style->ythickness;
if (rc_style->icon_factories)
{
GSList *iter;
style->icon_factories = g_slist_copy (rc_style->icon_factories);
iter = style->icon_factories;
while (iter != NULL)
{
g_object_ref (iter->data);
iter = g_slist_next (iter);
}
}
}
static gint
style_property_values_cmp (gconstpointer bsearch_node1,
gconstpointer bsearch_node2)
{
const PropertyValue *val1 = bsearch_node1;
const PropertyValue *val2 = bsearch_node2;
if (val1->widget_type == val2->widget_type)
return val1->pspec < val2->pspec ? -1 : val1->pspec == val2->pspec ? 0 : 1;
else
return val1->widget_type < val2->widget_type ? -1 : 1;
}
const GValue*
_gtk_style_peek_property_value (GtkStyle *style,
GType widget_type,
GParamSpec *pspec,
GtkRcPropertyParser parser)
{
PropertyValue *pcache, key = { 0, NULL, { 0, } };
const GtkRcProperty *rcprop = NULL;
guint i;
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), NULL);
g_return_val_if_fail (g_type_is_a (pspec->owner_type, GTK_TYPE_WIDGET), NULL);
g_return_val_if_fail (g_type_is_a (widget_type, pspec->owner_type), NULL);
key.widget_type = widget_type;
key.pspec = pspec;
/* need value cache array */
if (!style->property_cache)
style->property_cache = g_array_new (FALSE, FALSE, sizeof (PropertyValue));
else
{
pcache = bsearch (&key,
style->property_cache->data, style->property_cache->len,
sizeof (PropertyValue), style_property_values_cmp);
if (pcache)
return &pcache->value;
}
i = 0;
while (i < style->property_cache->len &&
style_property_values_cmp (&key, &g_array_index (style->property_cache, PropertyValue, i)) >= 0)
i++;
g_array_insert_val (style->property_cache, i, key);
pcache = &g_array_index (style->property_cache, PropertyValue, i);
/* cache miss, initialize value type, then set contents */
g_param_spec_ref (pcache->pspec);
g_value_init (&pcache->value, G_PARAM_SPEC_VALUE_TYPE (pspec));
/* value provided by rc style? */
if (style->rc_style)
{
GQuark prop_quark = g_quark_from_string (pspec->name);
do
{
rcprop = _gtk_rc_style_lookup_rc_property (style->rc_style,
g_type_qname (widget_type),
prop_quark);
if (rcprop)
break;
widget_type = g_type_parent (widget_type);
}
while (g_type_is_a (widget_type, pspec->owner_type));
}
/* when supplied by rc style, we need to convert */
if (rcprop && !_gtk_settings_parse_convert (parser, &rcprop->value,
pspec, &pcache->value))
{
gchar *contents = g_strdup_value_contents (&rcprop->value);
g_message ("%s: failed to retrieve property `%s::%s' of type `%s' from rc file value \"%s\" of type `%s'",
rcprop->origin,
g_type_name (pspec->owner_type), pspec->name,
g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)),
contents,
G_VALUE_TYPE_NAME (&rcprop->value));
g_free (contents);
rcprop = NULL; /* needs default */
}
/* not supplied by rc style (or conversion failed), revert to default */
if (!rcprop)
g_param_value_set_default (pspec, &pcache->value);
return &pcache->value;
}
static GdkPixmap *
load_bg_image (GdkColormap *colormap,
GdkColor *bg_color,
const gchar *filename)
{
if (strcmp (filename, "<parent>") == 0)
return (GdkPixmap*) GDK_PARENT_RELATIVE;
else
{
return gdk_pixmap_colormap_create_from_xpm (NULL, colormap, NULL,
bg_color,
filename);
}
}
static void
gtk_style_real_realize (GtkStyle *style)
{
GdkGCValues gc_values;
GdkGCValuesMask gc_values_mask;
gint i;
for (i = 0; i < 5; i++)
{
gtk_style_shade (&style->bg[i], &style->light[i], LIGHTNESS_MULT);
gtk_style_shade (&style->bg[i], &style->dark[i], DARKNESS_MULT);
style->mid[i].red = (style->light[i].red + style->dark[i].red) / 2;
style->mid[i].green = (style->light[i].green + style->dark[i].green) / 2;
style->mid[i].blue = (style->light[i].blue + style->dark[i].blue) / 2;
style->text_aa[i].red = (style->text[i].red + style->base[i].red) / 2;
style->text_aa[i].green = (style->text[i].green + style->base[i].green) / 2;
style->text_aa[i].blue = (style->text[i].blue + style->base[i].blue) / 2;
}
style->black.red = 0x0000;
style->black.green = 0x0000;
style->black.blue = 0x0000;
gdk_colormap_alloc_color (style->colormap, &style->black, FALSE, TRUE);
style->white.red = 0xffff;
style->white.green = 0xffff;
style->white.blue = 0xffff;
gdk_colormap_alloc_color (style->colormap, &style->white, FALSE, TRUE);
gc_values_mask = GDK_GC_FOREGROUND | GDK_GC_BACKGROUND;
gc_values.foreground = style->black;
gc_values.background = style->white;
style->black_gc = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->white;
gc_values.background = style->black;
style->white_gc = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values_mask = GDK_GC_FOREGROUND;
for (i = 0; i < 5; i++)
{
if (style->rc_style && style->rc_style->bg_pixmap_name[i])
style->bg_pixmap[i] = load_bg_image (style->colormap,
&style->bg[i],
style->rc_style->bg_pixmap_name[i]);
if (!gdk_colormap_alloc_color (style->colormap, &style->fg[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->fg[i].red, style->fg[i].green, style->fg[i].blue);
if (!gdk_colormap_alloc_color (style->colormap, &style->bg[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->bg[i].red, style->bg[i].green, style->bg[i].blue);
if (!gdk_colormap_alloc_color (style->colormap, &style->light[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->light[i].red, style->light[i].green, style->light[i].blue);
if (!gdk_colormap_alloc_color (style->colormap, &style->dark[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->dark[i].red, style->dark[i].green, style->dark[i].blue);
if (!gdk_colormap_alloc_color (style->colormap, &style->mid[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->mid[i].red, style->mid[i].green, style->mid[i].blue);
if (!gdk_colormap_alloc_color (style->colormap, &style->text[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->text[i].red, style->text[i].green, style->text[i].blue);
if (!gdk_colormap_alloc_color (style->colormap, &style->base[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->base[i].red, style->base[i].green, style->base[i].blue);
if (!gdk_colormap_alloc_color (style->colormap, &style->text_aa[i], FALSE, TRUE))
g_warning ("unable to allocate color: ( %d %d %d )",
style->text_aa[i].red, style->text_aa[i].green, style->text_aa[i].blue);
gc_values.foreground = style->fg[i];
style->fg_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->bg[i];
style->bg_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->light[i];
style->light_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->dark[i];
style->dark_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->mid[i];
style->mid_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->text[i];
style->text_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->base[i];
style->base_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
gc_values.foreground = style->text_aa[i];
style->text_aa_gc[i] = gtk_gc_get (style->depth, style->colormap, &gc_values, gc_values_mask);
}
}
static void
gtk_style_real_unrealize (GtkStyle *style)
{
int i;
gtk_gc_release (style->black_gc);
gtk_gc_release (style->white_gc);
for (i = 0; i < 5; i++)
{
gtk_gc_release (style->fg_gc[i]);
gtk_gc_release (style->bg_gc[i]);
gtk_gc_release (style->light_gc[i]);
gtk_gc_release (style->dark_gc[i]);
gtk_gc_release (style->mid_gc[i]);
gtk_gc_release (style->text_gc[i]);
gtk_gc_release (style->base_gc[i]);
gtk_gc_release (style->text_aa_gc[i]);
if (style->bg_pixmap[i] && style->bg_pixmap[i] != (GdkPixmap*) GDK_PARENT_RELATIVE)
{
g_object_unref (style->bg_pixmap[i]);
style->bg_pixmap[i] = NULL;
}
}
gdk_colormap_free_colors (style->colormap, style->fg, 5);
gdk_colormap_free_colors (style->colormap, style->bg, 5);
gdk_colormap_free_colors (style->colormap, style->light, 5);
gdk_colormap_free_colors (style->colormap, style->dark, 5);
gdk_colormap_free_colors (style->colormap, style->mid, 5);
gdk_colormap_free_colors (style->colormap, style->text, 5);
gdk_colormap_free_colors (style->colormap, style->base, 5);
gdk_colormap_free_colors (style->colormap, style->text_aa, 5);
style_unrealize_cursor_gcs (style);
}
static void
gtk_style_real_set_background (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type)
{
GdkPixmap *pixmap;
gint parent_relative;
if (style->bg_pixmap[state_type])
{
if (style->bg_pixmap[state_type] == (GdkPixmap*) GDK_PARENT_RELATIVE)
{
pixmap = NULL;
parent_relative = TRUE;
}
else
{
pixmap = style->bg_pixmap[state_type];
parent_relative = FALSE;
}
gdk_window_set_back_pixmap (window, pixmap, parent_relative);
}
else
gdk_window_set_background (window, &style->bg[state_type]);
}
/**
* gtk_style_render_icon:
* @style: a #GtkStyle
* @source: the #GtkIconSource specifying the icon to render
* @direction: a text direction
* @state: a state
* @size: the size to render the icon at. A size of (GtkIconSize)-1
* means render at the size of the source and don't scale.
* @widget: the widget
* @detail: a style detail
* @returns: a newly-created #GdkPixbuf containing the rendered icon
*
* Renders the icon specified by @source at the given @size
* according to the given parameters and returns the result in a
* pixbuf.
*/
GdkPixbuf *
gtk_style_render_icon (GtkStyle *style,
const GtkIconSource *source,
GtkTextDirection direction,
GtkStateType state,
GtkIconSize size,
GtkWidget *widget,
const gchar *detail)
{
GdkPixbuf *pixbuf;
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
g_return_val_if_fail (GTK_STYLE_GET_CLASS (style)->render_icon != NULL, NULL);
pixbuf = GTK_STYLE_GET_CLASS (style)->render_icon (style, source, direction, state,
size, widget, detail);
g_return_val_if_fail (pixbuf != NULL, NULL);
return pixbuf;
}
/* Default functions */
void
gtk_style_apply_default_background (GtkStyle *style,
GdkWindow *window,
gboolean set_bg,
GtkStateType state_type,
GdkRectangle *area,
gint x,
gint y,
gint width,
gint height)
{
GdkRectangle new_rect, old_rect;
if (area)
{
old_rect.x = x;
old_rect.y = y;
old_rect.width = width;
old_rect.height = height;
if (!gdk_rectangle_intersect (area, &old_rect, &new_rect))
return;
}
else
{
new_rect.x = x;
new_rect.y = y;
new_rect.width = width;
new_rect.height = height;
}
if (!style->bg_pixmap[state_type] ||
GDK_IS_PIXMAP (window) ||
(!set_bg && style->bg_pixmap[state_type] != (GdkPixmap*) GDK_PARENT_RELATIVE))
{
GdkGC *gc = style->bg_gc[state_type];
if (style->bg_pixmap[state_type])
{
gdk_gc_set_fill (gc, GDK_TILED);
gdk_gc_set_tile (gc, style->bg_pixmap[state_type]);
}
gdk_draw_rectangle (window, gc, TRUE,
new_rect.x, new_rect.y, new_rect.width, new_rect.height);
if (style->bg_pixmap[state_type])
gdk_gc_set_fill (gc, GDK_SOLID);
}
else
{
if (set_bg)
{
if (style->bg_pixmap[state_type] == (GdkPixmap*) GDK_PARENT_RELATIVE)
gdk_window_set_back_pixmap (window, NULL, TRUE);
else
gdk_window_set_back_pixmap (window, style->bg_pixmap[state_type], FALSE);
}
gdk_window_clear_area (window,
new_rect.x, new_rect.y,
new_rect.width, new_rect.height);
}
}
static GdkPixbuf*
scale_or_ref (GdkPixbuf *src,
gint width,
gint height)
{
if (width == gdk_pixbuf_get_width (src) &&
height == gdk_pixbuf_get_height (src))
{
return g_object_ref (src);
}
else
{
return gdk_pixbuf_scale_simple (src,
width, height,
GDK_INTERP_BILINEAR);
}
}
static GdkPixbuf *
gtk_default_render_icon (GtkStyle *style,
const GtkIconSource *source,
GtkTextDirection direction,
GtkStateType state,
GtkIconSize size,
GtkWidget *widget,
const gchar *detail)
{
gint width = 1;
gint height = 1;
GdkPixbuf *scaled;
GdkPixbuf *stated;
GdkPixbuf *base_pixbuf;
GdkScreen *screen;
GtkSettings *settings;
/* Oddly, style can be NULL in this function, because
* GtkIconSet can be used without a style and if so
* it uses this function.
*/
base_pixbuf = gtk_icon_source_get_pixbuf (source);
g_return_val_if_fail (base_pixbuf != NULL, NULL);
if (widget && gtk_widget_has_screen (widget))
{
screen = gtk_widget_get_screen (widget);
settings = gtk_settings_get_for_screen (screen);
}
else if (style && style->colormap)
{
screen = gdk_colormap_get_screen (style->colormap);
settings = gtk_settings_get_for_screen (screen);
}
else
{
settings = gtk_settings_get_default ();
GTK_NOTE (MULTIHEAD,
g_warning ("Using the default screen for gtk_default_render_icon()"));
}
if (size != (GtkIconSize) -1 && !gtk_icon_size_lookup_for_settings (settings, size, &width, &height))
{
g_warning (G_STRLOC ": invalid icon size '%d'", size);
return NULL;
}
/* If the size was wildcarded, and we're allowed to scale, then scale; otherwise,
* leave it alone.
*/
if (size != (GtkIconSize)-1 && gtk_icon_source_get_size_wildcarded (source))
scaled = scale_or_ref (base_pixbuf, width, height);
else
scaled = g_object_ref (base_pixbuf);
/* If the state was wildcarded, then generate a state. */
if (gtk_icon_source_get_state_wildcarded (source))
{
if (state == GTK_STATE_INSENSITIVE)
{
stated = gdk_pixbuf_copy (scaled);
gdk_pixbuf_saturate_and_pixelate (scaled, stated,
0.8, TRUE);
g_object_unref (scaled);
}
else if (state == GTK_STATE_PRELIGHT)
{
stated = gdk_pixbuf_copy (scaled);
gdk_pixbuf_saturate_and_pixelate (scaled, stated,
1.2, FALSE);
g_object_unref (scaled);
}
else
{
stated = scaled;
}
}
else
stated = scaled;
return stated;
}
static void
sanitize_size (GdkWindow *window,
gint *width,
gint *height)
{
if ((*width == -1) && (*height == -1))
gdk_drawable_get_size (window, width, height);
else if (*width == -1)
gdk_drawable_get_size (window, width, NULL);
else if (*height == -1)
gdk_drawable_get_size (window, NULL, height);
}
static GdkBitmap *
get_indicator_for_screen (GdkDrawable *drawable,
IndicatorPart part)
{
GdkScreen *screen = gdk_drawable_get_screen (drawable);
GdkBitmap *bitmap;
GList *tmp_list;
tmp_list = indicator_parts[part].bmap_list;
while (tmp_list)
{
bitmap = tmp_list->data;
if (gdk_drawable_get_screen (bitmap) == screen)
return bitmap;
tmp_list = tmp_list->next;
}
bitmap = gdk_bitmap_create_from_data (drawable,
(gchar *)indicator_parts[part].bits,
INDICATOR_PART_SIZE, INDICATOR_PART_SIZE);
indicator_parts[part].bmap_list = g_list_prepend (indicator_parts[part].bmap_list, bitmap);
return bitmap;
}
static void
draw_part (GdkDrawable *drawable,
GdkGC *gc,
GdkRectangle *area,
gint x,
gint y,
IndicatorPart part)
{
if (area)
gdk_gc_set_clip_rectangle (gc, area);
gdk_gc_set_ts_origin (gc, x, y);
gdk_gc_set_stipple (gc, get_indicator_for_screen (drawable, part));
gdk_gc_set_fill (gc, GDK_STIPPLED);
gdk_draw_rectangle (drawable, gc, TRUE, x, y, INDICATOR_PART_SIZE, INDICATOR_PART_SIZE);
gdk_gc_set_fill (gc, GDK_SOLID);
if (area)
gdk_gc_set_clip_rectangle (gc, NULL);
}
static void
gtk_default_draw_hline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x1,
gint x2,
gint y)
{
gint thickness_light;
gint thickness_dark;
gint i;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
thickness_light = style->ythickness / 2;
thickness_dark = style->ythickness - thickness_light;
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], area);
}
if (detail && !strcmp (detail, "label"))
{
if (state_type == GTK_STATE_INSENSITIVE)
gdk_draw_line (window, style->white_gc, x1 + 1, y + 1, x2 + 1, y + 1);
gdk_draw_line (window, style->fg_gc[state_type], x1, y, x2, y);
}
else
{
for (i = 0; i < thickness_dark; i++)
{
gdk_draw_line (window, style->dark_gc[state_type], x1, y + i, x2 - i - 1, y + i);
gdk_draw_line (window, style->light_gc[state_type], x2 - i, y + i, x2, y + i);
}
y += thickness_dark;
for (i = 0; i < thickness_light; i++)
{
gdk_draw_line (window, style->dark_gc[state_type], x1, y + i, x1 + thickness_light - i - 1, y + i);
gdk_draw_line (window, style->light_gc[state_type], x1 + thickness_light - i, y + i, x2, y + i);
}
}
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], NULL);
}
}
static void
gtk_default_draw_vline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint y1,
gint y2,
gint x)
{
gint thickness_light;
gint thickness_dark;
gint i;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
thickness_light = style->xthickness / 2;
thickness_dark = style->xthickness - thickness_light;
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], area);
}
for (i = 0; i < thickness_dark; i++)
{
gdk_draw_line (window, style->dark_gc[state_type], x + i, y1, x + i, y2 - i - 1);
gdk_draw_line (window, style->light_gc[state_type], x + i, y2 - i, x + i, y2);
}
x += thickness_dark;
for (i = 0; i < thickness_light; i++)
{
gdk_draw_line (window, style->dark_gc[state_type], x + i, y1, x + i, y1 + thickness_light - i - 1);
gdk_draw_line (window, style->light_gc[state_type], x + i, y1 + thickness_light - i, x + i, y2);
}
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], NULL);
}
}
static void
draw_thin_shadow (GtkStyle *style,
GdkWindow *window,
GtkStateType state,
GdkRectangle *area,
gint x,
gint y,
gint width,
gint height)
{
GdkGC *gc1, *gc2;
sanitize_size (window, &width, &height);
gc1 = style->light_gc[state];
gc2 = style->dark_gc[state];
if (area)
{
gdk_gc_set_clip_rectangle (gc1, area);
gdk_gc_set_clip_rectangle (gc2, area);
}
gdk_draw_line (window, gc1,
x, y + height - 1, x + width - 1, y + height - 1);
gdk_draw_line (window, gc1,
x + width - 1, y, x + width - 1, y + height - 1);
gdk_draw_line (window, gc2,
x, y, x + width - 2, y);
gdk_draw_line (window, gc2,
x, y, x, y + height - 2);
if (area)
{
gdk_gc_set_clip_rectangle (gc1, NULL);
gdk_gc_set_clip_rectangle (gc2, NULL);
}
}
static void
draw_spinbutton_shadow (GtkStyle *style,
GdkWindow *window,
GtkStateType state,
GtkTextDirection direction,
GdkRectangle *area,
gint x,
gint y,
gint width,
gint height)
{
sanitize_size (window, &width, &height);
if (area)
{
gdk_gc_set_clip_rectangle (style->black_gc, area);
gdk_gc_set_clip_rectangle (style->bg_gc[state], area);
gdk_gc_set_clip_rectangle (style->dark_gc[state], area);
gdk_gc_set_clip_rectangle (style->light_gc[state], area);
}
if (direction == GTK_TEXT_DIR_LTR)
{
gdk_draw_line (window, style->dark_gc[state],
x, y, x + width - 1, y);
gdk_draw_line (window, style->black_gc,
x, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, style->black_gc,
x + width - 2, y + 2, x + width - 2, y + height - 3);
gdk_draw_line (window, style->light_gc[state],
x + width - 1, y + 1, x + width - 1, y + height - 2);
gdk_draw_line (window, style->light_gc[state],
x, y + height - 1, x + width - 1, y + height - 1);
gdk_draw_line (window, style->bg_gc[state],
x, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, style->black_gc,
x, y + 2, x, y + height - 3);
}
else
{
gdk_draw_line (window, style->dark_gc[state],
x, y, x + width - 1, y);
gdk_draw_line (window, style->dark_gc[state],
x, y + 1, x, y + height - 1);
gdk_draw_line (window, style->black_gc,
x + 1, y + 1, x + width - 1, y + 1);
gdk_draw_line (window, style->black_gc,
x + 1, y + 2, x + 1, y + height - 2);
gdk_draw_line (window, style->black_gc,
x + width - 1, y + 2, x + width - 1, y + height - 3);
gdk_draw_line (window, style->light_gc[state],
x + 1, y + height - 1, x + width - 1, y + height - 1);
gdk_draw_line (window, style->bg_gc[state],
x + 2, y + height - 2, x + width - 1, y + height - 2);
}
if (area)
{
gdk_gc_set_clip_rectangle (style->black_gc, NULL);
gdk_gc_set_clip_rectangle (style->bg_gc[state], NULL);
gdk_gc_set_clip_rectangle (style->dark_gc[state], NULL);
gdk_gc_set_clip_rectangle (style->light_gc[state], NULL);
}
}
static void
draw_menu_shadow (GtkStyle *style,
GdkWindow *window,
GtkStateType state,
GdkRectangle *area,
gint x,
gint y,
gint width,
gint height)
{
if (style->ythickness > 0)
{
if (style->ythickness > 1)
{
gdk_draw_line (window, style->dark_gc[state],
x + 1, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, style->black_gc,
x, y + height - 1, x + width - 1, y + height - 1);
}
else
{
gdk_draw_line (window, style->dark_gc[state],
x + 1, y + height - 1, x + width - 1, y + height - 1);
}
}
if (style->xthickness > 0)
{
if (style->xthickness > 1)
{
gdk_draw_line (window, style->dark_gc[state],
x + width - 2, y + 1, x + width - 2, y + height - 2);
gdk_draw_line (window, style->black_gc,
x + width - 1, y, x + width - 1, y + height - 1);
}
else
{
gdk_draw_line (window, style->dark_gc[state],
x + width - 1, y + 1, x + width - 1, y + height - 1);
}
}
/* Light around top and left */
if (style->ythickness > 0)
gdk_draw_line (window, style->black_gc,
x, y, x + width - 2, y);
if (style->xthickness > 0)
gdk_draw_line (window, style->black_gc,
x, y, x, y + height - 2);
if (style->ythickness > 1)
gdk_draw_line (window, style->light_gc[state],
x + 1, y + 1, x + width - 3, y + 1);
if (style->xthickness > 1)
gdk_draw_line (window, style->light_gc[state],
x + 1, y + 1, x + 1, y + height - 3);
}
static GtkTextDirection
get_direction (GtkWidget *widget)
{
GtkTextDirection dir;
if (widget)
dir = gtk_widget_get_direction (widget);
else
dir = GTK_TEXT_DIR_LTR;
return dir;
}
static void
gtk_default_draw_shadow (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
GdkGC *gc1 = NULL;
GdkGC *gc2 = NULL;
gint thickness_light;
gint thickness_dark;
gint i;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
if (shadow_type == GTK_SHADOW_IN)
{
if (detail && (strcmp (detail, "buttondefault") == 0))
{
sanitize_size (window, &width, &height);
gdk_draw_rectangle (window, style->black_gc, FALSE,
x, y, width - 1, height - 1);
return;
}
if (detail && strcmp (detail, "trough") == 0)
{
draw_thin_shadow (style, window, state_type, area,
x, y, width, height);
return;
}
if (widget && GTK_IS_SPIN_BUTTON (widget) &&
detail && strcmp (detail, "spinbutton") == 0)
{
draw_spinbutton_shadow (style, window, state_type,
get_direction (widget), area, x, y, width, height);
return;
}
}
if (shadow_type == GTK_SHADOW_OUT && detail && strcmp (detail, "menu") == 0)
{
draw_menu_shadow (style, window, state_type, area, x, y, width, height);
return;
}
sanitize_size (window, &width, &height);
switch (shadow_type)
{
case GTK_SHADOW_NONE:
return;
case GTK_SHADOW_IN:
case GTK_SHADOW_ETCHED_IN:
gc1 = style->light_gc[state_type];
gc2 = style->dark_gc[state_type];
break;
case GTK_SHADOW_OUT:
case GTK_SHADOW_ETCHED_OUT:
gc1 = style->dark_gc[state_type];
gc2 = style->light_gc[state_type];
break;
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, area);
gdk_gc_set_clip_rectangle (gc2, area);
if (shadow_type == GTK_SHADOW_IN ||
shadow_type == GTK_SHADOW_OUT)
{
gdk_gc_set_clip_rectangle (style->black_gc, area);
gdk_gc_set_clip_rectangle (style->bg_gc[state_type], area);
}
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
break;
case GTK_SHADOW_IN:
/* Light around right and bottom edge */
if (style->ythickness > 0)
gdk_draw_line (window, gc1,
x, y + height - 1, x + width - 1, y + height - 1);
if (style->xthickness > 0)
gdk_draw_line (window, gc1,
x + width - 1, y, x + width - 1, y + height - 1);
if (style->ythickness > 1)
gdk_draw_line (window, style->bg_gc[state_type],
x + 1, y + height - 2, x + width - 2, y + height - 2);
if (style->xthickness > 1)
gdk_draw_line (window, style->bg_gc[state_type],
x + width - 2, y + 1, x + width - 2, y + height - 2);
/* Dark around left and top */
if (style->ythickness > 1)
gdk_draw_line (window, style->black_gc,
x + 1, y + 1, x + width - 2, y + 1);
if (style->xthickness > 1)
gdk_draw_line (window, style->black_gc,
x + 1, y + 1, x + 1, y + height - 2);
if (style->ythickness > 0)
gdk_draw_line (window, gc2,
x, y, x + width - 1, y);
if (style->xthickness > 0)
gdk_draw_line (window, gc2,
x, y, x, y + height - 1);
break;
case GTK_SHADOW_OUT:
/* Dark around right and bottom edge */
if (style->ythickness > 0)
{
if (style->ythickness > 1)
{
gdk_draw_line (window, gc1,
x + 1, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, style->black_gc,
x, y + height - 1, x + width - 1, y + height - 1);
}
else
{
gdk_draw_line (window, gc1,
x + 1, y + height - 1, x + width - 1, y + height - 1);
}
}
if (style->xthickness > 0)
{
if (style->xthickness > 1)
{
gdk_draw_line (window, gc1,
x + width - 2, y + 1, x + width - 2, y + height - 2);
gdk_draw_line (window, style->black_gc,
x + width - 1, y, x + width - 1, y + height - 1);
}
else
{
gdk_draw_line (window, gc1,
x + width - 1, y + 1, x + width - 1, y + height - 1);
}
}
/* Light around top and left */
if (style->ythickness > 0)
gdk_draw_line (window, gc2,
x, y, x + width - 2, y);
if (style->xthickness > 0)
gdk_draw_line (window, gc2,
x, y, x, y + height - 2);
if (style->ythickness > 1)
gdk_draw_line (window, style->bg_gc[state_type],
x + 1, y + 1, x + width - 3, y + 1);
if (style->xthickness > 1)
gdk_draw_line (window, style->bg_gc[state_type],
x + 1, y + 1, x + 1, y + height - 3);
break;
case GTK_SHADOW_ETCHED_IN:
case GTK_SHADOW_ETCHED_OUT:
if (style->xthickness > 0)
{
if (style->xthickness > 1)
{
thickness_light = 1;
thickness_dark = 1;
for (i = 0; i < thickness_dark; i++)
{
gdk_draw_line (window, gc1,
x + width - i - 1,
y + i,
x + width - i - 1,
y + height - i - 1);
gdk_draw_line (window, gc2,
x + i,
y + i,
x + i,
y + height - i - 2);
}
for (i = 0; i < thickness_light; i++)
{
gdk_draw_line (window, gc1,
x + thickness_dark + i,
y + thickness_dark + i,
x + thickness_dark + i,
y + height - thickness_dark - i - 1);
gdk_draw_line (window, gc2,
x + width - thickness_light - i - 1,
y + thickness_dark + i,
x + width - thickness_light - i - 1,
y + height - thickness_light - 1);
}
}
else
{
gdk_draw_line (window,
style->dark_gc[state_type],
x, y, x, y + height);
gdk_draw_line (window,
style->dark_gc[state_type],
x + width, y, x + width, y + height);
}
}
if (style->ythickness > 0)
{
if (style->ythickness > 1)
{
thickness_light = 1;
thickness_dark = 1;
for (i = 0; i < thickness_dark; i++)
{
gdk_draw_line (window, gc1,
x + i,
y + height - i - 1,
x + width - i - 1,
y + height - i - 1);
gdk_draw_line (window, gc2,
x + i,
y + i,
x + width - i - 2,
y + i);
}
for (i = 0; i < thickness_light; i++)
{
gdk_draw_line (window, gc1,
x + thickness_dark + i,
y + thickness_dark + i,
x + width - thickness_dark - i - 2,
y + thickness_dark + i);
gdk_draw_line (window, gc2,
x + thickness_dark + i,
y + height - thickness_light - i - 1,
x + width - thickness_light - 1,
y + height - thickness_light - i - 1);
}
}
else
{
gdk_draw_line (window,
style->dark_gc[state_type],
x, y, x + width, y);
gdk_draw_line (window,
style->dark_gc[state_type],
x, y + height, x + width, y + height);
}
}
break;
}
if (shadow_type == GTK_SHADOW_IN &&
widget && GTK_IS_SPIN_BUTTON (widget) &&
detail && strcmp (detail, "entry") == 0)
{
if (get_direction (widget) == GTK_TEXT_DIR_LTR)
{
gdk_draw_line (window,
style->base_gc[state_type],
x + width - 1, y + 2,
x + width - 1, y + height - 3);
gdk_draw_line (window,
style->base_gc[state_type],
x + width - 2, y + 2,
x + width - 2, y + height - 3);
gdk_draw_point (window,
style->black_gc,
x + width - 1, y + 1);
gdk_draw_point (window,
style->bg_gc[state_type],
x + width - 1, y + height - 2);
}
else
{
gdk_draw_line (window,
style->base_gc[state_type],
x, y + 2,
x, y + height - 3);
gdk_draw_line (window,
style->base_gc[state_type],
x + 1, y + 2,
x + 1, y + height - 3);
gdk_draw_point (window,
style->black_gc,
x, y + 1);
gdk_draw_line (window,
style->bg_gc[state_type],
x, y + height - 2,
x + 1, y + height - 2);
gdk_draw_point (window,
style->light_gc[state_type],
x, y + height - 1);
}
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, NULL);
gdk_gc_set_clip_rectangle (gc2, NULL);
if (shadow_type == GTK_SHADOW_IN ||
shadow_type == GTK_SHADOW_OUT)
{
gdk_gc_set_clip_rectangle (style->black_gc, NULL);
gdk_gc_set_clip_rectangle (style->bg_gc[state_type], NULL);
}
}
}
static void
gtk_default_draw_polygon (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GdkPoint *points,
gint npoints,
gboolean fill)
{
static const gdouble pi_over_4 = G_PI_4;
static const gdouble pi_3_over_4 = G_PI_4 * 3;
GdkGC *gc1;
GdkGC *gc2;
GdkGC *gc3;
GdkGC *gc4;
gdouble angle;
gint xadjust;
gint yadjust;
gint i;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
g_return_if_fail (points != NULL);
switch (shadow_type)
{
case GTK_SHADOW_IN:
gc1 = style->bg_gc[state_type];
gc2 = style->dark_gc[state_type];
gc3 = style->light_gc[state_type];
gc4 = style->black_gc;
break;
case GTK_SHADOW_ETCHED_IN:
gc1 = style->light_gc[state_type];
gc2 = style->dark_gc[state_type];
gc3 = style->dark_gc[state_type];
gc4 = style->light_gc[state_type];
break;
case GTK_SHADOW_OUT:
gc1 = style->dark_gc[state_type];
gc2 = style->light_gc[state_type];
gc3 = style->black_gc;
gc4 = style->bg_gc[state_type];
break;
case GTK_SHADOW_ETCHED_OUT:
gc1 = style->dark_gc[state_type];
gc2 = style->light_gc[state_type];
gc3 = style->light_gc[state_type];
gc4 = style->dark_gc[state_type];
break;
default:
return;
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, area);
gdk_gc_set_clip_rectangle (gc2, area);
gdk_gc_set_clip_rectangle (gc3, area);
gdk_gc_set_clip_rectangle (gc4, area);
}
if (fill)
gdk_draw_polygon (window, style->bg_gc[state_type], TRUE, points, npoints);
npoints--;
for (i = 0; i < npoints; i++)
{
if ((points[i].x == points[i+1].x) &&
(points[i].y == points[i+1].y))
{
angle = 0;
}
else
{
angle = atan2 (points[i+1].y - points[i].y,
points[i+1].x - points[i].x);
}
if ((angle > -pi_3_over_4) && (angle < pi_over_4))
{
if (angle > -pi_over_4)
{
xadjust = 0;
yadjust = 1;
}
else
{
xadjust = 1;
yadjust = 0;
}
gdk_draw_line (window, gc1,
points[i].x-xadjust, points[i].y-yadjust,
points[i+1].x-xadjust, points[i+1].y-yadjust);
gdk_draw_line (window, gc3,
points[i].x, points[i].y,
points[i+1].x, points[i+1].y);
}
else
{
if ((angle < -pi_3_over_4) || (angle > pi_3_over_4))
{
xadjust = 0;
yadjust = 1;
}
else
{
xadjust = 1;
yadjust = 0;
}
gdk_draw_line (window, gc4,
points[i].x+xadjust, points[i].y+yadjust,
points[i+1].x+xadjust, points[i+1].y+yadjust);
gdk_draw_line (window, gc2,
points[i].x, points[i].y,
points[i+1].x, points[i+1].y);
}
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, NULL);
gdk_gc_set_clip_rectangle (gc2, NULL);
gdk_gc_set_clip_rectangle (gc3, NULL);
gdk_gc_set_clip_rectangle (gc4, NULL);
}
}
static void
draw_arrow (GdkWindow *window,
GdkGC *gc,
GdkRectangle *area,
GtkArrowType arrow_type,
gint x,
gint y,
gint width,
gint height)
{
gint i, j;
if (area)
gdk_gc_set_clip_rectangle (gc, area);
if (arrow_type == GTK_ARROW_DOWN)
{
for (i = 0, j = 0; i < height; i++, j++)
gdk_draw_line (window, gc, x + j, y + i, x + width - j - 1, y + i);
}
else if (arrow_type == GTK_ARROW_UP)
{
for (i = height - 1, j = 0; i >= 0; i--, j++)
gdk_draw_line (window, gc, x + j, y + i, x + width - j - 1, y + i);
}
else if (arrow_type == GTK_ARROW_LEFT)
{
for (i = width - 1, j = 0; i >= 0; i--, j++)
gdk_draw_line (window, gc, x + i, y + j, x + i, y + height - j - 1);
}
else if (arrow_type == GTK_ARROW_RIGHT)
{
for (i = 0, j = 0; i < width; i++, j++)
gdk_draw_line (window, gc, x + i, y + j, x + i, y + height - j - 1);
}
if (area)
gdk_gc_set_clip_rectangle (gc, NULL);
}
static void
calculate_arrow_geometry (GtkArrowType arrow_type,
gint *x,
gint *y,
gint *width,
gint *height)
{
gint w = *width;
gint h = *height;
switch (arrow_type)
{
case GTK_ARROW_UP:
case GTK_ARROW_DOWN:
w += (w % 2) - 1;
h = (w / 2 + 1);
if (h > *height)
{
h = *height;
w = 2 * h - 1;
}
if (arrow_type == GTK_ARROW_DOWN)
{
if (*height % 2 == 1 || h % 2 == 0)
*height += 1;
}
else
{
if (*height % 2 == 0 || h % 2 == 0)
*height -= 1;
}
break;
case GTK_ARROW_RIGHT:
case GTK_ARROW_LEFT:
h += (h % 2) - 1;
w = (h / 2 + 1);
if (w > *width)
{
w = *width;
h = 2 * w - 1;
}
if (arrow_type == GTK_ARROW_RIGHT)
{
if (*width % 2 == 1 || w % 2 == 0)
*width += 1;
}
else
{
if (*width % 2 == 0 || w % 2 == 0)
*width -= 1;
}
break;
default:
/* should not be reached */
break;
}
*x += (*width - w) / 2;
*y += (*height - h) / 2;
*height = h;
*width = w;
}
static void
gtk_default_draw_arrow (GtkStyle *style,
GdkWindow *window,
GtkStateType state,
GtkShadowType shadow,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GtkArrowType arrow_type,
gboolean fill,
gint x,
gint y,
gint width,
gint height)
{
gint original_width, original_x;
sanitize_size (window, &width, &height);
original_width = width;
original_x = x;
calculate_arrow_geometry (arrow_type, &x, &y, &width, &height);
if (detail && strcmp (detail, "menu_scroll_arrow_up") == 0)
y++;
if (state == GTK_STATE_INSENSITIVE)
draw_arrow (window, style->white_gc, area, arrow_type,
x + 1, y + 1, width, height);
draw_arrow (window, style->fg_gc[state], area, arrow_type,
x, y, width, height);
}
static void
gtk_default_draw_diamond (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
gint half_width;
gint half_height;
GdkGC *outer_nw = NULL;
GdkGC *outer_ne = NULL;
GdkGC *outer_sw = NULL;
GdkGC *outer_se = NULL;
GdkGC *middle_nw = NULL;
GdkGC *middle_ne = NULL;
GdkGC *middle_sw = NULL;
GdkGC *middle_se = NULL;
GdkGC *inner_nw = NULL;
GdkGC *inner_ne = NULL;
GdkGC *inner_sw = NULL;
GdkGC *inner_se = NULL;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
sanitize_size (window, &width, &height);
half_width = width / 2;
half_height = height / 2;
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->bg_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->black_gc, area);
}
switch (shadow_type)
{
case GTK_SHADOW_IN:
inner_sw = inner_se = style->bg_gc[state_type];
middle_sw = middle_se = style->light_gc[state_type];
outer_sw = outer_se = style->light_gc[state_type];
inner_nw = inner_ne = style->black_gc;
middle_nw = middle_ne = style->dark_gc[state_type];
outer_nw = outer_ne = style->dark_gc[state_type];
break;
case GTK_SHADOW_OUT:
inner_sw = inner_se = style->dark_gc[state_type];
middle_sw = middle_se = style->dark_gc[state_type];
outer_sw = outer_se = style->black_gc;
inner_nw = inner_ne = style->bg_gc[state_type];
middle_nw = middle_ne = style->light_gc[state_type];
outer_nw = outer_ne = style->light_gc[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
inner_sw = inner_se = style->bg_gc[state_type];
middle_sw = middle_se = style->dark_gc[state_type];
outer_sw = outer_se = style->light_gc[state_type];
inner_nw = inner_ne = style->bg_gc[state_type];
middle_nw = middle_ne = style->light_gc[state_type];
outer_nw = outer_ne = style->dark_gc[state_type];
break;
case GTK_SHADOW_ETCHED_OUT:
inner_sw = inner_se = style->bg_gc[state_type];
middle_sw = middle_se = style->light_gc[state_type];
outer_sw = outer_se = style->dark_gc[state_type];
inner_nw = inner_ne = style->bg_gc[state_type];
middle_nw = middle_ne = style->dark_gc[state_type];
outer_nw = outer_ne = style->light_gc[state_type];
break;
default:
break;
}
if (inner_sw)
{
gdk_draw_line (window, inner_sw,
x + 2, y + half_height,
x + half_width, y + height - 2);
gdk_draw_line (window, inner_se,
x + half_width, y + height - 2,
x + width - 2, y + half_height);
gdk_draw_line (window, middle_sw,
x + 1, y + half_height,
x + half_width, y + height - 1);
gdk_draw_line (window, middle_se,
x + half_width, y + height - 1,
x + width - 1, y + half_height);
gdk_draw_line (window, outer_sw,
x, y + half_height,
x + half_width, y + height);
gdk_draw_line (window, outer_se,
x + half_width, y + height,
x + width, y + half_height);
gdk_draw_line (window, inner_nw,
x + 2, y + half_height,
x + half_width, y + 2);
gdk_draw_line (window, inner_ne,
x + half_width, y + 2,
x + width - 2, y + half_height);
gdk_draw_line (window, middle_nw,
x + 1, y + half_height,
x + half_width, y + 1);
gdk_draw_line (window, middle_ne,
x + half_width, y + 1,
x + width - 1, y + half_height);
gdk_draw_line (window, outer_nw,
x, y + half_height,
x + half_width, y);
gdk_draw_line (window, outer_ne,
x + half_width, y,
x + width, y + half_height);
}
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->bg_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->black_gc, NULL);
}
}
static void
gtk_default_draw_string (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
const gchar *string)
{
GdkDisplay *display;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
display = gdk_drawable_get_display (window);
if (area)
{
gdk_gc_set_clip_rectangle (style->white_gc, area);
gdk_gc_set_clip_rectangle (style->fg_gc[state_type], area);
}
if (state_type == GTK_STATE_INSENSITIVE)
gdk_draw_string (window,
gtk_style_get_font_internal (style),
style->white_gc, x + 1, y + 1, string);
gdk_draw_string (window,
gtk_style_get_font_internal (style),
style->fg_gc[state_type], x, y, string);
if (area)
{
gdk_gc_set_clip_rectangle (style->white_gc, NULL);
gdk_gc_set_clip_rectangle (style->fg_gc[state_type], NULL);
}
}
static void
option_menu_get_props (GtkWidget *widget,
GtkRequisition *indicator_size,
GtkBorder *indicator_spacing)
{
GtkRequisition *tmp_size = NULL;
GtkBorder *tmp_spacing = NULL;
if (widget)
gtk_widget_style_get (widget,
"indicator_size", &tmp_size,
"indicator_spacing", &tmp_spacing,
NULL);
if (tmp_size)
{
*indicator_size = *tmp_size;
g_free (tmp_size);
}
else
*indicator_size = default_option_indicator_size;
if (tmp_spacing)
{
*indicator_spacing = *tmp_spacing;
g_free (tmp_spacing);
}
else
*indicator_spacing = default_option_indicator_spacing;
}
static void
gtk_default_draw_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
gboolean is_spinbutton_box = FALSE;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
sanitize_size (window, &width, &height);
if (widget && GTK_IS_SPIN_BUTTON (widget) && detail)
{
if (strcmp (detail, "spinbutton_up") == 0)
{
y += 2;
width -= 3;
height -= 2;
if (get_direction (widget) == GTK_TEXT_DIR_RTL)
x += 2;
else
x += 1;
is_spinbutton_box = TRUE;
}
else if (strcmp (detail, "spinbutton_down") == 0)
{
width -= 3;
height -= 2;
if (get_direction (widget) == GTK_TEXT_DIR_RTL)
x += 2;
else
x += 1;
is_spinbutton_box = TRUE;
}
}
if (!style->bg_pixmap[state_type] ||
GDK_IS_PIXMAP (window))
{
GdkGC *gc = style->bg_gc[state_type];
if (state_type == GTK_STATE_SELECTED && detail && strcmp (detail, "paned") == 0)
{
if (widget && !GTK_WIDGET_HAS_FOCUS (widget))
gc = style->base_gc[GTK_STATE_ACTIVE];
}
if (area)
gdk_gc_set_clip_rectangle (gc, area);
gdk_draw_rectangle (window, gc, TRUE,
x, y, width, height);
if (area)
gdk_gc_set_clip_rectangle (gc, NULL);
}
else
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
state_type, area, x, y, width, height);
if (is_spinbutton_box)
{
GdkGC *upper_gc;
GdkGC *lower_gc;
lower_gc = style->dark_gc[state_type];
if (shadow_type == GTK_SHADOW_OUT)
upper_gc = style->light_gc[state_type];
else
upper_gc = style->dark_gc[state_type];
if (area)
{
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->light_gc[state_type], area);
}
gdk_draw_line (window, upper_gc, x, y, x + width - 1, y);
gdk_draw_line (window, lower_gc, x, y + height - 1, x + width - 1, y + height - 1);
if (area)
{
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->light_gc[state_type], NULL);
}
return;
}
gtk_paint_shadow (style, window, state_type, shadow_type, area, widget, detail,
x, y, width, height);
if (detail && strcmp (detail, "optionmenu") == 0)
{
GtkRequisition indicator_size;
GtkBorder indicator_spacing;
gint vline_x;
option_menu_get_props (widget, &indicator_size, &indicator_spacing);
sanitize_size (window, &width, &height);
if (get_direction (widget) == GTK_TEXT_DIR_RTL)
vline_x = x + indicator_size.width + indicator_spacing.left + indicator_spacing.right;
else
vline_x = x + width - (indicator_size.width + indicator_spacing.left + indicator_spacing.right) - style->xthickness;
gtk_paint_vline (style, window, state_type, area, widget,
detail,
y + style->ythickness + 1,
y + height - style->ythickness - 3,
vline_x);
}
}
static GdkGC*
get_darkened_gc (GdkWindow *window,
GdkColor *color,
gint darken_count)
{
GdkColor src = *color;
GdkColor shaded = *color;
GdkGC *gc;
gc = gdk_gc_new (window);
while (darken_count)
{
gtk_style_shade (&src, &shaded, 0.93);
src = shaded;
--darken_count;
}
gdk_gc_set_rgb_fg_color (gc, &shaded);
return gc;
}
static void
gtk_default_draw_flat_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
GdkGC *gc1;
GdkGC *freeme = NULL;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
sanitize_size (window, &width, &height);
if (detail)
{
if (state_type == GTK_STATE_SELECTED)
{
if (!strcmp ("text", detail))
gc1 = style->bg_gc[GTK_STATE_SELECTED];
else if (!strncmp ("cell_even", detail, strlen ("cell_even")) ||
!strncmp ("cell_odd", detail, strlen ("cell_odd")))
{
/* This has to be really broken; alex made me do it. -jrb */
if (GTK_WIDGET_HAS_FOCUS (widget))
gc1 = style->base_gc[state_type];
else
gc1 = style->base_gc[GTK_STATE_ACTIVE];
}
else
{
gc1 = style->bg_gc[state_type];
}
}
else
{
if (!strcmp ("viewportbin", detail))
gc1 = style->bg_gc[GTK_STATE_NORMAL];
else if (!strcmp ("entry_bg", detail))
gc1 = style->base_gc[state_type];
/* For trees: even rows are base color, odd rows are a shade of
* the base color, the sort column is a shade of the original color
* for that row.
*/
else if (!strcmp ("cell_even", detail) ||
!strcmp ("cell_odd", detail) ||
!strcmp ("cell_even_ruled", detail))
{
GdkColor *color = NULL;
gtk_widget_style_get (widget,
"even_row_color", &color,
NULL);
if (color)
{
freeme = get_darkened_gc (window, color, 0);
gc1 = freeme;
gdk_color_free (color);
}
else
gc1 = style->base_gc[state_type];
}
else if (!strcmp ("cell_odd_ruled", detail))
{
GdkColor *color;
gtk_widget_style_get (widget,
"odd_row_color", &color,
NULL);
if (color)
{
freeme = get_darkened_gc (window, color, 0);
gc1 = freeme;
gdk_color_free (color);
}
else
{
gtk_widget_style_get (widget,
"even_row_color", &color,
NULL);
if (color)
{
freeme = get_darkened_gc (window, color, 1);
gdk_color_free (color);
}
else
freeme = get_darkened_gc (window, &style->base[state_type], 1);
gc1 = freeme;
}
}
else if (!strcmp ("cell_even_sorted", detail) ||
!strcmp ("cell_odd_sorted", detail) ||
!strcmp ("cell_even_ruled_sorted", detail))
{
GdkColor *color = NULL;
if (!strcmp ("cell_odd_sorted", detail))
gtk_widget_style_get (widget,
"odd_row_color", &color,
NULL);
else
gtk_widget_style_get (widget,
"even_row_color", &color,
NULL);
if (color)
{
freeme = get_darkened_gc (window, color, 1);
gc1 = freeme;
gdk_color_free (color);
}
else
{
freeme = get_darkened_gc (window, &style->base[state_type], 1);
gc1 = freeme;
}
}
else if (!strcmp ("cell_odd_ruled_sorted", detail))
{
GdkColor *color = NULL;
gtk_widget_style_get (widget,
"odd_row_color", &color,
NULL);
if (color)
{
freeme = get_darkened_gc (window, color, 1);
gc1 = freeme;
gdk_color_free (color);
}
else
{
gtk_widget_style_get (widget,
"even_row_color", &color,
NULL);
if (color)
{
freeme = get_darkened_gc (window, color, 2);
gdk_color_free (color);
}
else
freeme = get_darkened_gc (window, &style->base[state_type], 2);
gc1 = freeme;
}
}
else
gc1 = style->bg_gc[state_type];
}
}
else
gc1 = style->bg_gc[state_type];
if (!style->bg_pixmap[state_type] || gc1 != style->bg_gc[state_type] ||
GDK_IS_PIXMAP (window))
{
if (area)
gdk_gc_set_clip_rectangle (gc1, area);
gdk_draw_rectangle (window, gc1, TRUE,
x, y, width, height);
if (detail && !strcmp ("tooltip", detail))
gdk_draw_rectangle (window, style->black_gc, FALSE,
x, y, width - 1, height - 1);
if (area)
gdk_gc_set_clip_rectangle (gc1, NULL);
}
else
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
state_type, area, x, y, width, height);
if (freeme)
g_object_unref (freeme);
}
static GdkGC *
create_aa_gc (GdkWindow *window, GtkStyle *style, GtkStateType state_type)
{
GdkColor aa_color;
GdkGC *gc = gdk_gc_new (window);
aa_color.red = (style->fg[state_type].red + style->bg[state_type].red) / 2;
aa_color.green = (style->fg[state_type].green + style->bg[state_type].green) / 2;
aa_color.blue = (style->fg[state_type].blue + style->bg[state_type].blue) / 2;
gdk_gc_set_rgb_fg_color (gc, &aa_color);
return gc;
}
static void
gtk_default_draw_check (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
if (detail && strcmp (detail, "cellcheck") == 0)
{
if (area)
gdk_gc_set_clip_rectangle (widget->style->base_gc[state_type], area);
gdk_draw_rectangle (window,
widget->style->base_gc[state_type],
TRUE,
x, y,
width, height);
if (area)
{
gdk_gc_set_clip_rectangle (widget->style->base_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (widget->style->text_gc[state_type], area);
}
gdk_draw_rectangle (window,
widget->style->text_gc[state_type],
FALSE,
x, y,
width, height);
if (area)
gdk_gc_set_clip_rectangle (widget->style->text_gc[state_type], NULL);
x -= (1 + INDICATOR_PART_SIZE - width) / 2;
y -= (((1 + INDICATOR_PART_SIZE - height) / 2) - 1);
if (shadow_type == GTK_SHADOW_IN)
{
draw_part (window, style->text_gc[state_type], area, x, y, CHECK_TEXT);
draw_part (window, style->text_aa_gc[state_type], area, x, y, CHECK_AA);
}
else if (shadow_type == GTK_SHADOW_ETCHED_IN) /* inconsistent */
{
draw_part (window, style->text_gc[state_type], area, x, y, CHECK_INCONSISTENT_TEXT);
}
}
else
{
GdkGC *free_me = NULL;
GdkGC *base_gc;
GdkGC *text_gc;
GdkGC *aa_gc;
x -= (1 + INDICATOR_PART_SIZE - width) / 2;
y -= (1 + INDICATOR_PART_SIZE - height) / 2;
if (detail && strcmp (detail, "check") == 0) /* Menu item */
{
text_gc = style->fg_gc[state_type];
base_gc = style->bg_gc[state_type];
aa_gc = free_me = create_aa_gc (window, style, state_type);
}
else
{
if (state_type == GTK_STATE_ACTIVE)
{
text_gc = style->fg_gc[state_type];
base_gc = style->bg_gc[state_type];
aa_gc = free_me = create_aa_gc (window, style, state_type);
}
else
{
text_gc = style->text_gc[state_type];
base_gc = style->base_gc[state_type];
aa_gc = style->text_aa_gc[state_type];
}
draw_part (window, base_gc, area, x, y, CHECK_BASE);
draw_part (window, style->black_gc, area, x, y, CHECK_BLACK);
draw_part (window, style->dark_gc[state_type], area, x, y, CHECK_DARK);
draw_part (window, style->mid_gc[state_type], area, x, y, CHECK_MID);
draw_part (window, style->light_gc[state_type], area, x, y, CHECK_LIGHT);
}
if (shadow_type == GTK_SHADOW_IN)
{
draw_part (window, text_gc, area, x, y, CHECK_TEXT);
draw_part (window, aa_gc, area, x, y, CHECK_AA);
}
else if (shadow_type == GTK_SHADOW_ETCHED_IN) /* inconsistent */
{
draw_part (window, text_gc, area, x, y, CHECK_INCONSISTENT_TEXT);
}
if (free_me)
g_object_unref (free_me);
}
}
static void
gtk_default_draw_option (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
if (detail && strcmp (detail, "cellradio") == 0)
{
if (area)
gdk_gc_set_clip_rectangle (widget->style->fg_gc[state_type], area);
gdk_draw_arc (window,
widget->style->fg_gc[state_type],
FALSE,
x, y,
width,
height,
0, 360*64);
if (shadow_type == GTK_SHADOW_IN)
{
gdk_draw_arc (window,
widget->style->fg_gc[state_type],
TRUE,
x + 2,
y + 2,
width - 4,
height - 4,
0, 360*64);
}
else if (shadow_type == GTK_SHADOW_ETCHED_IN) /* inconsistent */
{
draw_part (window, widget->style->fg_gc[state_type],
area, x, y, CHECK_INCONSISTENT_TEXT);
}
if (area)
gdk_gc_set_clip_rectangle (widget->style->fg_gc[state_type], NULL);
}
else
{
GdkGC *free_me = NULL;
GdkGC *base_gc;
GdkGC *text_gc;
GdkGC *aa_gc;
x -= (1 + INDICATOR_PART_SIZE - width) / 2;
y -= (1 + INDICATOR_PART_SIZE - height) / 2;
if (detail && strcmp (detail, "option") == 0) /* Menu item */
{
text_gc = style->fg_gc[state_type];
base_gc = style->bg_gc[state_type];
aa_gc = free_me = create_aa_gc (window, style, state_type);
}
else
{
if (state_type == GTK_STATE_ACTIVE)
{
text_gc = style->fg_gc[state_type];
base_gc = style->bg_gc[state_type];
aa_gc = free_me = create_aa_gc (window, style, state_type);
}
else
{
text_gc = style->text_gc[state_type];
base_gc = style->base_gc[state_type];
aa_gc = style->text_aa_gc[state_type];
}
draw_part (window, base_gc, area, x, y, RADIO_BASE);
draw_part (window, style->black_gc, area, x, y, RADIO_BLACK);
draw_part (window, style->dark_gc[state_type], area, x, y, RADIO_DARK);
draw_part (window, style->mid_gc[state_type], area, x, y, RADIO_MID);
draw_part (window, style->light_gc[state_type], area, x, y, RADIO_LIGHT);
}
if (shadow_type == GTK_SHADOW_IN)
{
draw_part (window, text_gc, area, x, y, RADIO_TEXT);
}
else if (shadow_type == GTK_SHADOW_ETCHED_IN) /* inconsistent */
{
if (detail && strcmp (detail, "option") == 0) /* Menu item */
{
draw_part (window, text_gc, area, x, y, CHECK_INCONSISTENT_TEXT);
}
else
{
draw_part (window, text_gc, area, x, y, RADIO_INCONSISTENT_TEXT);
draw_part (window, aa_gc, area, x, y, RADIO_INCONSISTENT_AA);
}
}
if (free_me)
g_object_unref (free_me);
}
}
static void
gtk_default_draw_tab (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
#define ARROW_SPACE 4
GtkRequisition indicator_size;
GtkBorder indicator_spacing;
gint arrow_height;
option_menu_get_props (widget, &indicator_size, &indicator_spacing);
indicator_size.width += (indicator_size.width % 2) - 1;
arrow_height = indicator_size.width / 2 + 1;
x += (width - indicator_size.width) / 2;
y += (height - (2 * arrow_height + ARROW_SPACE)) / 2;
if (state_type == GTK_STATE_INSENSITIVE)
{
draw_arrow (window, style->white_gc, area,
GTK_ARROW_UP, x + 1, y + 1,
indicator_size.width, arrow_height);
draw_arrow (window, style->white_gc, area,
GTK_ARROW_DOWN, x + 1, y + arrow_height + ARROW_SPACE + 1,
indicator_size.width, arrow_height);
}
draw_arrow (window, style->fg_gc[state_type], area,
GTK_ARROW_UP, x, y,
indicator_size.width, arrow_height);
draw_arrow (window, style->fg_gc[state_type], area,
GTK_ARROW_DOWN, x, y + arrow_height + ARROW_SPACE,
indicator_size.width, arrow_height);
}
static void
gtk_default_draw_shadow_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width)
{
GdkGC *gc1 = NULL;
GdkGC *gc2 = NULL;
GdkGC *gc3 = NULL;
GdkGC *gc4 = NULL;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
sanitize_size (window, &width, &height);
switch (shadow_type)
{
case GTK_SHADOW_NONE:
return;
case GTK_SHADOW_IN:
gc1 = style->dark_gc[state_type];
gc2 = style->black_gc;
gc3 = style->bg_gc[state_type];
gc4 = style->light_gc[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
gc1 = style->dark_gc[state_type];
gc2 = style->light_gc[state_type];
gc3 = style->dark_gc[state_type];
gc4 = style->light_gc[state_type];
break;
case GTK_SHADOW_OUT:
gc1 = style->light_gc[state_type];
gc2 = style->bg_gc[state_type];
gc3 = style->dark_gc[state_type];
gc4 = style->black_gc;
break;
case GTK_SHADOW_ETCHED_OUT:
gc1 = style->light_gc[state_type];
gc2 = style->dark_gc[state_type];
gc3 = style->light_gc[state_type];
gc4 = style->dark_gc[state_type];
break;
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, area);
gdk_gc_set_clip_rectangle (gc2, area);
gdk_gc_set_clip_rectangle (gc3, area);
gdk_gc_set_clip_rectangle (gc4, area);
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
case GTK_SHADOW_IN:
case GTK_SHADOW_OUT:
case GTK_SHADOW_ETCHED_IN:
case GTK_SHADOW_ETCHED_OUT:
switch (gap_side)
{
case GTK_POS_TOP:
gdk_draw_line (window, gc1,
x, y, x, y + height - 1);
gdk_draw_line (window, gc2,
x + 1, y, x + 1, y + height - 2);
gdk_draw_line (window, gc3,
x + 1, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y, x + width - 2, y + height - 2);
gdk_draw_line (window, gc4,
x, y + height - 1, x + width - 1, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc1,
x, y, x + gap_x - 1, y);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + gap_x - 1, y + 1);
gdk_draw_line (window, gc2,
x + gap_x, y, x + gap_x, y);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc1,
x + gap_x + gap_width, y, x + width - 2, y);
gdk_draw_line (window, gc2,
x + gap_x + gap_width, y + 1, x + width - 3, y + 1);
gdk_draw_line (window, gc2,
x + gap_x + gap_width - 1, y, x + gap_x + gap_width - 1, y);
}
break;
case GTK_POS_BOTTOM:
gdk_draw_line (window, gc1,
x, y, x + width - 1, y);
gdk_draw_line (window, gc1,
x, y, x, y + height - 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + height - 1);
gdk_draw_line (window, gc3,
x + width - 2, y + 1, x + width - 2, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc4,
x, y + height - 1, x + gap_x - 1, y + height - 1);
gdk_draw_line (window, gc3,
x + 1, y + height - 2, x + gap_x - 1, y + height - 2);
gdk_draw_line (window, gc3,
x + gap_x, y + height - 1, x + gap_x, y + height - 1);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc4,
x + gap_x + gap_width, y + height - 1, x + width - 2, y + height - 1);
gdk_draw_line (window, gc3,
x + gap_x + gap_width, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + gap_x + gap_width - 1, y + height - 1, x + gap_x + gap_width - 1, y + height - 1);
}
break;
case GTK_POS_LEFT:
gdk_draw_line (window, gc1,
x, y, x + width - 1, y);
gdk_draw_line (window, gc2,
x, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, gc3,
x, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y + 1, x + width - 2, y + height - 2);
gdk_draw_line (window, gc4,
x, y + height - 1, x + width - 1, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc1,
x, y, x, y + gap_x - 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + gap_x - 1);
gdk_draw_line (window, gc2,
x, y + gap_x, x, y + gap_x);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc1,
x, y + gap_x + gap_width, x, y + height - 2);
gdk_draw_line (window, gc2,
x + 1, y + gap_x + gap_width, x + 1, y + height - 2);
gdk_draw_line (window, gc2,
x, y + gap_x + gap_width - 1, x, y + gap_x + gap_width - 1);
}
break;
case GTK_POS_RIGHT:
gdk_draw_line (window, gc1,
x, y, x + width - 1, y);
gdk_draw_line (window, gc1,
x, y, x, y + height - 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + width - 1, y + 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + height - 2);
gdk_draw_line (window, gc3,
x + 1, y + height - 2, x + width - 1, y + height - 2);
gdk_draw_line (window, gc4,
x, y + height - 1, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + gap_x - 1);
gdk_draw_line (window, gc3,
x + width - 2, y + 1, x + width - 2, y + gap_x - 1);
gdk_draw_line (window, gc3,
x + width - 1, y + gap_x, x + width - 1, y + gap_x);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc4,
x + width - 1, y + gap_x + gap_width, x + width - 1, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y + gap_x + gap_width, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 1, y + gap_x + gap_width - 1, x + width - 1, y + gap_x + gap_width - 1);
}
break;
}
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, NULL);
gdk_gc_set_clip_rectangle (gc2, NULL);
gdk_gc_set_clip_rectangle (gc3, NULL);
gdk_gc_set_clip_rectangle (gc4, NULL);
}
}
static void
gtk_default_draw_box_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width)
{
GdkGC *gc1 = NULL;
GdkGC *gc2 = NULL;
GdkGC *gc3 = NULL;
GdkGC *gc4 = NULL;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
state_type, area, x, y, width, height);
sanitize_size (window, &width, &height);
switch (shadow_type)
{
case GTK_SHADOW_NONE:
return;
case GTK_SHADOW_IN:
gc1 = style->dark_gc[state_type];
gc2 = style->black_gc;
gc3 = style->bg_gc[state_type];
gc4 = style->light_gc[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
gc1 = style->dark_gc[state_type];
gc2 = style->light_gc[state_type];
gc3 = style->dark_gc[state_type];
gc4 = style->light_gc[state_type];
break;
case GTK_SHADOW_OUT:
gc1 = style->light_gc[state_type];
gc2 = style->bg_gc[state_type];
gc3 = style->dark_gc[state_type];
gc4 = style->black_gc;
break;
case GTK_SHADOW_ETCHED_OUT:
gc1 = style->light_gc[state_type];
gc2 = style->dark_gc[state_type];
gc3 = style->light_gc[state_type];
gc4 = style->dark_gc[state_type];
break;
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, area);
gdk_gc_set_clip_rectangle (gc2, area);
gdk_gc_set_clip_rectangle (gc3, area);
gdk_gc_set_clip_rectangle (gc4, area);
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
case GTK_SHADOW_IN:
case GTK_SHADOW_OUT:
case GTK_SHADOW_ETCHED_IN:
case GTK_SHADOW_ETCHED_OUT:
switch (gap_side)
{
case GTK_POS_TOP:
gdk_draw_line (window, gc1,
x, y, x, y + height - 1);
gdk_draw_line (window, gc2,
x + 1, y, x + 1, y + height - 2);
gdk_draw_line (window, gc3,
x + 1, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y, x + width - 2, y + height - 2);
gdk_draw_line (window, gc4,
x, y + height - 1, x + width - 1, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc1,
x, y, x + gap_x - 1, y);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + gap_x - 1, y + 1);
gdk_draw_line (window, gc2,
x + gap_x, y, x + gap_x, y);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc1,
x + gap_x + gap_width, y, x + width - 2, y);
gdk_draw_line (window, gc2,
x + gap_x + gap_width, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, gc2,
x + gap_x + gap_width - 1, y, x + gap_x + gap_width - 1, y);
}
break;
case GTK_POS_BOTTOM:
gdk_draw_line (window, gc1,
x, y, x + width - 1, y);
gdk_draw_line (window, gc1,
x, y, x, y + height - 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + height - 1);
gdk_draw_line (window, gc3,
x + width - 2, y + 1, x + width - 2, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc4,
x, y + height - 1, x + gap_x - 1, y + height - 1);
gdk_draw_line (window, gc3,
x + 1, y + height - 2, x + gap_x - 1, y + height - 2);
gdk_draw_line (window, gc3,
x + gap_x, y + height - 1, x + gap_x, y + height - 1);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc4,
x + gap_x + gap_width, y + height - 1, x + width - 2, y + height - 1);
gdk_draw_line (window, gc3,
x + gap_x + gap_width, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + gap_x + gap_width - 1, y + height - 1, x + gap_x + gap_width - 1, y + height - 1);
}
break;
case GTK_POS_LEFT:
gdk_draw_line (window, gc1,
x, y, x + width - 1, y);
gdk_draw_line (window, gc2,
x, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, gc3,
x, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y + 1, x + width - 2, y + height - 2);
gdk_draw_line (window, gc4,
x, y + height - 1, x + width - 1, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc1,
x, y, x, y + gap_x - 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + gap_x - 1);
gdk_draw_line (window, gc2,
x, y + gap_x, x, y + gap_x);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc1,
x, y + gap_x + gap_width, x, y + height - 2);
gdk_draw_line (window, gc2,
x + 1, y + gap_x + gap_width, x + 1, y + height - 2);
gdk_draw_line (window, gc2,
x, y + gap_x + gap_width - 1, x, y + gap_x + gap_width - 1);
}
break;
case GTK_POS_RIGHT:
gdk_draw_line (window, gc1,
x, y, x + width - 1, y);
gdk_draw_line (window, gc1,
x, y, x, y + height - 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + width - 1, y + 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + height - 2);
gdk_draw_line (window, gc3,
x + 1, y + height - 2, x + width - 1, y + height - 2);
gdk_draw_line (window, gc4,
x, y + height - 1, x + width - 1, y + height - 1);
if (gap_x > 0)
{
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + gap_x - 1);
gdk_draw_line (window, gc3,
x + width - 2, y + 1, x + width - 2, y + gap_x - 1);
gdk_draw_line (window, gc3,
x + width - 1, y + gap_x, x + width - 1, y + gap_x);
}
if ((width - (gap_x + gap_width)) > 0)
{
gdk_draw_line (window, gc4,
x + width - 1, y + gap_x + gap_width, x + width - 1, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y + gap_x + gap_width, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 1, y + gap_x + gap_width - 1, x + width - 1, y + gap_x + gap_width - 1);
}
break;
}
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, NULL);
gdk_gc_set_clip_rectangle (gc2, NULL);
gdk_gc_set_clip_rectangle (gc3, NULL);
gdk_gc_set_clip_rectangle (gc4, NULL);
}
}
static void
gtk_default_draw_extension (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side)
{
GdkGC *gc1 = NULL;
GdkGC *gc2 = NULL;
GdkGC *gc3 = NULL;
GdkGC *gc4 = NULL;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
GTK_STATE_NORMAL, area, x, y, width, height);
sanitize_size (window, &width, &height);
switch (shadow_type)
{
case GTK_SHADOW_NONE:
return;
case GTK_SHADOW_IN:
gc1 = style->dark_gc[state_type];
gc2 = style->black_gc;
gc3 = style->bg_gc[state_type];
gc4 = style->light_gc[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
gc1 = style->dark_gc[state_type];
gc2 = style->light_gc[state_type];
gc3 = style->dark_gc[state_type];
gc4 = style->light_gc[state_type];
break;
case GTK_SHADOW_OUT:
gc1 = style->light_gc[state_type];
gc2 = style->bg_gc[state_type];
gc3 = style->dark_gc[state_type];
gc4 = style->black_gc;
break;
case GTK_SHADOW_ETCHED_OUT:
gc1 = style->light_gc[state_type];
gc2 = style->dark_gc[state_type];
gc3 = style->light_gc[state_type];
gc4 = style->dark_gc[state_type];
break;
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, area);
gdk_gc_set_clip_rectangle (gc2, area);
gdk_gc_set_clip_rectangle (gc3, area);
gdk_gc_set_clip_rectangle (gc4, area);
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
case GTK_SHADOW_IN:
case GTK_SHADOW_OUT:
case GTK_SHADOW_ETCHED_IN:
case GTK_SHADOW_ETCHED_OUT:
switch (gap_side)
{
case GTK_POS_TOP:
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
state_type, area,
x + style->xthickness,
y,
width - (2 * style->xthickness),
height - (style->ythickness));
gdk_draw_line (window, gc1,
x, y, x, y + height - 2);
gdk_draw_line (window, gc2,
x + 1, y, x + 1, y + height - 2);
gdk_draw_line (window, gc3,
x + 2, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y, x + width - 2, y + height - 2);
gdk_draw_line (window, gc4,
x + 1, y + height - 1, x + width - 2, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y, x + width - 1, y + height - 2);
break;
case GTK_POS_BOTTOM:
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
state_type, area,
x + style->xthickness,
y + style->ythickness,
width - (2 * style->xthickness),
height - (style->ythickness));
gdk_draw_line (window, gc1,
x + 1, y, x + width - 2, y);
gdk_draw_line (window, gc1,
x, y + 1, x, y + height - 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + height - 1);
gdk_draw_line (window, gc3,
x + width - 2, y + 2, x + width - 2, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y + 1, x + width - 1, y + height - 1);
break;
case GTK_POS_LEFT:
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
state_type, area,
x,
y + style->ythickness,
width - (style->xthickness),
height - (2 * style->ythickness));
gdk_draw_line (window, gc1,
x, y, x + width - 2, y);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + width - 2, y + 1);
gdk_draw_line (window, gc3,
x, y + height - 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc3,
x + width - 2, y + 2, x + width - 2, y + height - 2);
gdk_draw_line (window, gc4,
x, y + height - 1, x + width - 2, y + height - 1);
gdk_draw_line (window, gc4,
x + width - 1, y + 1, x + width - 1, y + height - 2);
break;
case GTK_POS_RIGHT:
gtk_style_apply_default_background (style, window,
widget && !GTK_WIDGET_NO_WINDOW (widget),
state_type, area,
x + style->xthickness,
y + style->ythickness,
width - (style->xthickness),
height - (2 * style->ythickness));
gdk_draw_line (window, gc1,
x + 1, y, x + width - 1, y);
gdk_draw_line (window, gc1,
x, y + 1, x, y + height - 2);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + width - 1, y + 1);
gdk_draw_line (window, gc2,
x + 1, y + 1, x + 1, y + height - 2);
gdk_draw_line (window, gc3,
x + 2, y + height - 2, x + width - 1, y + height - 2);
gdk_draw_line (window, gc4,
x + 1, y + height - 1, x + width - 1, y + height - 1);
break;
}
}
if (area)
{
gdk_gc_set_clip_rectangle (gc1, NULL);
gdk_gc_set_clip_rectangle (gc2, NULL);
gdk_gc_set_clip_rectangle (gc3, NULL);
gdk_gc_set_clip_rectangle (gc4, NULL);
}
}
static void
gtk_default_draw_focus (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
GdkPoint points[5];
GdkGC *gc;
gboolean free_dash_list = FALSE;
gint line_width = 1;
gint8 *dash_list = "\1\1";
gint dash_len;
if (widget)
{
gtk_widget_style_get (widget,
"focus-line-width", &line_width,
"focus-line-pattern", (gchar *)&dash_list,
NULL);
free_dash_list = TRUE;
}
sanitize_size (window, &width, &height);
if (detail && !strcmp (detail, "colorwheel_light"))
gc = style->black_gc;
else if (detail && !strcmp (detail, "colorwheel_dark"))
gc = style->white_gc;
else
gc = style->fg_gc[state_type];
gdk_gc_set_line_attributes (gc, line_width,
dash_list[0] ? GDK_LINE_ON_OFF_DASH : GDK_LINE_SOLID,
GDK_CAP_BUTT, GDK_JOIN_MITER);
if (area)
gdk_gc_set_clip_rectangle (gc, area);
if (detail && !strcmp (detail, "add-mode"))
{
if (free_dash_list)
g_free (dash_list);
dash_list = "\4\4";
free_dash_list = FALSE;
}
points[0].x = x + line_width / 2;
points[0].y = y + line_width / 2;
points[1].x = x + width - line_width + line_width / 2;
points[1].y = y + line_width / 2;
points[2].x = x + width - line_width + line_width / 2;
points[2].y = y + height - line_width + line_width / 2;
points[3].x = x + line_width / 2;
points[3].y = y + height - line_width + line_width / 2;
points[4] = points[0];
if (!dash_list[0])
{
gdk_draw_lines (window, gc, points, 5);
}
else
{
/* We go through all the pain below because the X rasterization
* rules don't really work right for dashed lines if you
* want continuity in segments that go between top/right
* and left/bottom. For instance, a top left corner
* with a 1-1 dash is drawn as:
*
* X X X
* X
*
* X
*
* This is because pixels on the top and left boundaries
* of polygons are drawn, but not on the bottom and right.
* So, if you have a line going up that turns the corner
* and goes right, there is a one pixel shift in the pattern.
*
* So, to fix this, we drawn the top and right in one call,
* then the left and bottom in another call, fixing up
* the dash offset for the second call ourselves to get
* continuity at the upper left.
*
* It's not perfect since we really should have a join at
* the upper left and lower right instead of two intersecting
* lines but that's only really apparent for no-dashes,
* which (for this reason) are done as one polygon and
* don't to through this code path.
*/
dash_len = strlen (dash_list);
if (dash_list[0])
gdk_gc_set_dashes (gc, 0, dash_list, dash_len);
gdk_draw_lines (window, gc, points, 3);
/* We draw this line one farther over than it is "supposed" to
* because of another rasterization problem ... if two 1 pixel
* unjoined lines meet at the lower right, there will be a missing
* pixel.
*/
points[2].x += 1;
if (dash_list[0])
{
gint dash_pixels = 0;
gint i;
/* Adjust the dash offset for the bottom and left so we
* match up at the upper left.
*/
for (i = 0; i < dash_len; i++)
dash_pixels += dash_list[i];
if (dash_len % 2 == 1)
dash_pixels *= 2;
gdk_gc_set_dashes (gc, dash_pixels - (width + height - 2 * line_width) % dash_pixels, dash_list, dash_len);
}
gdk_draw_lines (window, gc, points + 2, 3);
}
gdk_gc_set_line_attributes (gc, 0, GDK_LINE_SOLID, GDK_CAP_BUTT, GDK_JOIN_MITER);
if (area)
gdk_gc_set_clip_rectangle (gc, NULL);
if (free_dash_list)
g_free (dash_list);
}
static void
gtk_default_draw_slider (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
sanitize_size (window, &width, &height);
gtk_paint_box (style, window, state_type, shadow_type,
area, widget, detail, x, y, width, height);
if (detail &&
(strcmp ("hscale", detail) == 0 ||
strcmp ("vscale", detail) == 0))
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
gtk_paint_vline (style, window, state_type, area, widget, detail,
y + style->ythickness,
y + height - style->ythickness - 1, x + width / 2);
else
gtk_paint_hline (style, window, state_type, area, widget, detail,
x + style->xthickness,
x + width - style->xthickness - 1, y + height / 2);
}
}
static void
draw_dot (GdkWindow *window,
GdkGC *light_gc,
GdkGC *dark_gc,
gint x,
gint y,
gushort size)
{
size = CLAMP (size, 2, 3);
if (size == 2)
{
gdk_draw_point (window, light_gc, x, y);
gdk_draw_point (window, light_gc, x+1, y+1);
}
else if (size == 3)
{
gdk_draw_point (window, light_gc, x, y);
gdk_draw_point (window, light_gc, x+1, y);
gdk_draw_point (window, light_gc, x, y+1);
gdk_draw_point (window, dark_gc, x+1, y+2);
gdk_draw_point (window, dark_gc, x+2, y+1);
gdk_draw_point (window, dark_gc, x+2, y+2);
}
}
static void
gtk_default_draw_handle (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation)
{
gint xx, yy;
gint xthick, ythick;
GdkGC *light_gc, *dark_gc;
GdkGC *free_me = NULL;
GdkRectangle rect;
GdkRectangle dest;
gint intersect;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
sanitize_size (window, &width, &height);
gtk_paint_box (style, window, state_type, shadow_type, area, widget,
detail, x, y, width, height);
if (detail && !strcmp (detail, "paned"))
{
/* we want to ignore the shadow border in paned widgets */
xthick = 0;
ythick = 0;
if (state_type == GTK_STATE_SELECTED && widget && !GTK_WIDGET_HAS_FOCUS (widget))
{
GdkColor unfocused_light;
gtk_style_shade (&style->base[GTK_STATE_ACTIVE], &unfocused_light,
LIGHTNESS_MULT);
light_gc = free_me = gdk_gc_new (window);
gdk_gc_set_rgb_fg_color (light_gc, &unfocused_light);
}
else
light_gc = style->light_gc[state_type];
dark_gc = style->black_gc;
}
else
{
xthick = style->xthickness;
ythick = style->ythickness;
light_gc = style->light_gc[state_type];
dark_gc = style->dark_gc[state_type];
}
rect.x = x + xthick;
rect.y = y + ythick;
rect.width = width - (xthick * 2);
rect.height = height - (ythick * 2);
if (area)
intersect = gdk_rectangle_intersect (area, &rect, &dest);
else
{
intersect = TRUE;
dest = rect;
}
if (!intersect)
goto out;
gdk_gc_set_clip_rectangle (light_gc, &dest);
gdk_gc_set_clip_rectangle (dark_gc, &dest);
if (detail && !strcmp (detail, "paned"))
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
for (xx = x + width/2 - 15; xx <= x + width/2 + 15; xx += 5)
draw_dot (window, light_gc, dark_gc, xx, y + height/2 - 1, 3);
else
for (yy = y + height/2 - 15; yy <= y + height/2 + 15; yy += 5)
draw_dot (window, light_gc, dark_gc, x + width/2 - 1, yy, 3);
}
else
{
for (yy = y + ythick; yy < (y + height - ythick); yy += 3)
for (xx = x + xthick; xx < (x + width - xthick); xx += 6)
{
draw_dot (window, light_gc, dark_gc, xx, yy, 2);
draw_dot (window, light_gc, dark_gc, xx + 3, yy + 1, 2);
}
}
gdk_gc_set_clip_rectangle (light_gc, NULL);
gdk_gc_set_clip_rectangle (dark_gc, NULL);
out:
if (free_me)
g_object_unref (free_me);
}
static void
create_expander_affine (gdouble affine[6],
gint degrees,
gint expander_size,
gint x,
gint y)
{
gdouble s, c;
gdouble width;
gdouble height;
width = expander_size / 4.0;
height = expander_size / 2.0;
switch (degrees)
{
case 0:
s = 0.0;
c = 1.0;
break;
case 90:
s = 1.0;
c = 0.0;
break;
case 180:
s = 0.0;
c = -1.0;
break;
default:
s = sin (degrees * G_PI / 180.0);
c = cos (degrees * G_PI / 180.0);
break;
}
affine[0] = c;
affine[1] = s;
affine[2] = -s;
affine[3] = c;
affine[4] = -width * c - height * -s + x;
affine[5] = -width * s - height * c + y;
}
static void
apply_affine_on_point (double affine[6], GdkPoint *point)
{
gdouble x, y;
x = point->x * affine[0] + point->y * affine[2] + affine[4];
y = point->x * affine[1] + point->y * affine[3] + affine[5];
point->x = floor (x);
point->y = floor (y);
}
static void
gtk_style_draw_polygon_with_gc (GdkWindow *window, GdkGC *gc, gint line_width,
gboolean do_fill, GdkPoint *points, gint n_points)
{
gdk_gc_set_line_attributes (gc, line_width,
GDK_LINE_SOLID,
GDK_CAP_BUTT, GDK_JOIN_MITER);
gdk_draw_polygon (window, gc, do_fill, points, n_points);
gdk_gc_set_line_attributes (gc, 0, GDK_LINE_SOLID, GDK_CAP_BUTT, GDK_JOIN_MITER);
}
static void
gtk_default_draw_expander (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
GtkExpanderStyle expander_style)
{
gint expander_size;
GdkPoint points[3];
gint i;
gint line_width, o;
gdouble affine[6];
gint degrees = 0;
gtk_widget_style_get (widget,
"expander-size", &expander_size,
NULL);
line_width = MAX (1, expander_size/9);
if (area)
{
gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], area);
gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], area);
}
/* a rough estimate of how much the joins of the triangle will overshoot.
* 2.4 ~ 1 / tan (45 / 2)
*/
o = ceil (2.4 * line_width / 2.0);
points[0].x = line_width / 2;
points[0].y = o;
points[1].x = expander_size / 2 + line_width / 2 - o;
points[1].y = expander_size / 2;
points[2].x = line_width / 2;
points[2].y = expander_size - o;
switch (expander_style)
{
case GTK_EXPANDER_COLLAPSED:
degrees = (get_direction (widget) == GTK_TEXT_DIR_RTL) ? 180 : 0;
break;
case GTK_EXPANDER_SEMI_COLLAPSED:
degrees = (get_direction (widget) == GTK_TEXT_DIR_RTL) ? 150 : 30;
break;
case GTK_EXPANDER_SEMI_EXPANDED:
degrees = (get_direction (widget) == GTK_TEXT_DIR_RTL) ? 120 : 60;
break;
case GTK_EXPANDER_EXPANDED:
degrees = 90;
break;
default:
g_assert_not_reached ();
}
create_expander_affine (affine, degrees, expander_size, x, y);
for (i = 0; i < 3; i++)
apply_affine_on_point (affine, &points[i]);
if (state_type == GTK_STATE_PRELIGHT)
{
gtk_style_draw_polygon_with_gc (window, style->fg_gc[GTK_STATE_PRELIGHT],
1, TRUE, points, 3);
}
else if (state_type == GTK_STATE_ACTIVE)
{
gtk_style_draw_polygon_with_gc (window, style->light_gc[GTK_STATE_ACTIVE],
1, TRUE, points, 3);
gtk_style_draw_polygon_with_gc (window, style->fg_gc[GTK_STATE_NORMAL],
line_width, FALSE, points, 3);
}
else
{
gtk_style_draw_polygon_with_gc (window, style->base_gc[GTK_STATE_NORMAL],
1, TRUE, points, 3);
gtk_style_draw_polygon_with_gc (window, style->fg_gc[GTK_STATE_NORMAL],
line_width, FALSE, points, 3);
}
if (area)
{
gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], NULL);
gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], NULL);
}
}
typedef struct _ByteRange ByteRange;
struct _ByteRange
{
guint start;
guint end;
};
static ByteRange*
range_new (guint start,
guint end)
{
ByteRange *br = g_new (ByteRange, 1);
br->start = start;
br->end = end;
return br;
}
static PangoLayout*
get_insensitive_layout (GdkDrawable *drawable,
PangoLayout *layout)
{
GSList *embossed_ranges = NULL;
GSList *stippled_ranges = NULL;
PangoLayoutIter *iter;
GSList *tmp_list = NULL;
PangoLayout *new_layout;
PangoAttrList *attrs;
GdkBitmap *stipple = NULL;
iter = pango_layout_get_iter (layout);
do
{
PangoLayoutRun *run;
PangoAttribute *attr;
gboolean need_stipple = FALSE;
ByteRange *br;
run = pango_layout_iter_get_run (iter);
if (run)
{
tmp_list = run->item->analysis.extra_attrs;
while (tmp_list != NULL)
{
attr = tmp_list->data;
switch (attr->klass->type)
{
case PANGO_ATTR_FOREGROUND:
case PANGO_ATTR_BACKGROUND:
need_stipple = TRUE;
break;
default:
break;
}
if (need_stipple)
break;
tmp_list = g_slist_next (tmp_list);
}
br = range_new (run->item->offset, run->item->offset + run->item->length);
if (need_stipple)
stippled_ranges = g_slist_prepend (stippled_ranges, br);
else
embossed_ranges = g_slist_prepend (embossed_ranges, br);
}
}
while (pango_layout_iter_next_run (iter));
pango_layout_iter_free (iter);
new_layout = pango_layout_copy (layout);
attrs = pango_layout_get_attributes (new_layout);
if (attrs == NULL)
{
/* Create attr list if there wasn't one */
attrs = pango_attr_list_new ();
pango_layout_set_attributes (new_layout, attrs);
pango_attr_list_unref (attrs);
}
tmp_list = embossed_ranges;
while (tmp_list != NULL)
{
PangoAttribute *attr;
ByteRange *br = tmp_list->data;
attr = gdk_pango_attr_embossed_new (TRUE);
attr->start_index = br->start;
attr->end_index = br->end;
pango_attr_list_change (attrs, attr);
g_free (br);
tmp_list = g_slist_next (tmp_list);
}
g_slist_free (embossed_ranges);
tmp_list = stippled_ranges;
while (tmp_list != NULL)
{
PangoAttribute *attr;
ByteRange *br = tmp_list->data;
if (stipple == NULL)
{
#define gray50_width 2
#define gray50_height 2
static const char gray50_bits[] = {
0x02, 0x01
};
stipple = gdk_bitmap_create_from_data (drawable,
gray50_bits, gray50_width,
gray50_height);
}
attr = gdk_pango_attr_stipple_new (stipple);
attr->start_index = br->start;
attr->end_index = br->end;
pango_attr_list_change (attrs, attr);
g_free (br);
tmp_list = g_slist_next (tmp_list);
}
g_slist_free (stippled_ranges);
if (stipple)
g_object_unref (stipple);
return new_layout;
}
static void
gtk_default_draw_layout (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gboolean use_text,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
PangoLayout *layout)
{
GdkGC *gc;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
gc = use_text ? style->text_gc[state_type] : style->fg_gc[state_type];
if (area)
gdk_gc_set_clip_rectangle (gc, area);
if (state_type == GTK_STATE_INSENSITIVE)
{
PangoLayout *ins;
ins = get_insensitive_layout (window, layout);
gdk_draw_layout (window, gc, x, y, ins);
g_object_unref (ins);
}
else
{
gdk_draw_layout (window, gc, x, y, layout);
}
if (area)
gdk_gc_set_clip_rectangle (gc, NULL);
}
static void
gtk_default_draw_resize_grip (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GdkWindowEdge edge,
gint x,
gint y,
gint width,
gint height)
{
GdkPoint points[4];
gint i, j, skip;
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (window != NULL);
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], area);
gdk_gc_set_clip_rectangle (style->bg_gc[state_type], area);
}
skip = -1;
switch (edge)
{
case GDK_WINDOW_EDGE_NORTH_WEST:
/* make it square */
if (width < height)
height = width;
else if (height < width)
width = height;
skip = 2;
break;
case GDK_WINDOW_EDGE_NORTH:
if (width < height)
height = width;
break;
case GDK_WINDOW_EDGE_NORTH_EAST:
/* make it square, aligning to top right */
if (width < height)
height = width;
else if (height < width)
{
x += (width - height);
width = height;
}
skip = 3;
break;
case GDK_WINDOW_EDGE_WEST:
if (height < width)
width = height;
break;
case GDK_WINDOW_EDGE_EAST:
/* aligning to right */
if (height < width)
{
x += (width - height);
width = height;
}
break;
case GDK_WINDOW_EDGE_SOUTH_WEST:
/* make it square, aligning to bottom left */
if (width < height)
{
y += (height - width);
height = width;
}
else if (height < width)
width = height;
skip = 1;
break;
case GDK_WINDOW_EDGE_SOUTH:
/* align to bottom */
if (width < height)
{
y += (height - width);
height = width;
}
break;
case GDK_WINDOW_EDGE_SOUTH_EAST:
/* make it square, aligning to bottom right */
if (width < height)
{
y += (height - width);
height = width;
}
else if (height < width)
{
x += (width - height);
width = height;
}
skip = 0;
break;
default:
g_assert_not_reached ();
}
/* Clear background */
j = 0;
for (i = 0; i < 4; i++)
{
if (skip != i)
{
points[j].x = (i == 0 || i == 3) ? x : x + width;
points[j].y = (i < 2) ? y : y + height;
j++;
}
}
gdk_draw_polygon (window, style->bg_gc[state_type], TRUE,
points, skip < 0 ? 4 : 3);
switch (edge)
{
case GDK_WINDOW_EDGE_WEST:
case GDK_WINDOW_EDGE_EAST:
{
gint xi;
xi = x;
while (xi < x + width)
{
gdk_draw_line (window,
style->light_gc[state_type],
xi, y,
xi, y + height);
xi++;
gdk_draw_line (window,
style->dark_gc[state_type],
xi, y,
xi, y + height);
xi += 2;
}
}
break;
case GDK_WINDOW_EDGE_NORTH:
case GDK_WINDOW_EDGE_SOUTH:
{
gint yi;
yi = y;
while (yi < y + height)
{
gdk_draw_line (window,
style->light_gc[state_type],
x, yi,
x + width, yi);
yi++;
gdk_draw_line (window,
style->dark_gc[state_type],
x, yi,
x + width, yi);
yi+= 2;
}
}
break;
case GDK_WINDOW_EDGE_NORTH_WEST:
{
gint xi, yi;
xi = x + width;
yi = y + height;
while (xi > x + 3)
{
gdk_draw_line (window,
style->dark_gc[state_type],
xi, y,
x, yi);
--xi;
--yi;
gdk_draw_line (window,
style->dark_gc[state_type],
xi, y,
x, yi);
--xi;
--yi;
gdk_draw_line (window,
style->light_gc[state_type],
xi, y,
x, yi);
xi -= 3;
yi -= 3;
}
}
break;
case GDK_WINDOW_EDGE_NORTH_EAST:
{
gint xi, yi;
xi = x;
yi = y + height;
while (xi < (x + width - 3))
{
gdk_draw_line (window,
style->light_gc[state_type],
xi, y,
x + width, yi);
++xi;
--yi;
gdk_draw_line (window,
style->dark_gc[state_type],
xi, y,
x + width, yi);
++xi;
--yi;
gdk_draw_line (window,
style->dark_gc[state_type],
xi, y,
x + width, yi);
xi += 3;
yi -= 3;
}
}
break;
case GDK_WINDOW_EDGE_SOUTH_WEST:
{
gint xi, yi;
xi = x + width;
yi = y;
while (xi > x + 3)
{
gdk_draw_line (window,
style->dark_gc[state_type],
x, yi,
xi, y + height);
--xi;
++yi;
gdk_draw_line (window,
style->dark_gc[state_type],
x, yi,
xi, y + height);
--xi;
++yi;
gdk_draw_line (window,
style->light_gc[state_type],
x, yi,
xi, y + height);
xi -= 3;
yi += 3;
}
}
break;
case GDK_WINDOW_EDGE_SOUTH_EAST:
{
gint xi, yi;
xi = x;
yi = y;
while (xi < (x + width - 3))
{
gdk_draw_line (window,
style->light_gc[state_type],
xi, y + height,
x + width, yi);
++xi;
++yi;
gdk_draw_line (window,
style->dark_gc[state_type],
xi, y + height,
x + width, yi);
++xi;
++yi;
gdk_draw_line (window,
style->dark_gc[state_type],
xi, y + height,
x + width, yi);
xi += 3;
yi += 3;
}
}
break;
default:
g_assert_not_reached ();
break;
}
if (area)
{
gdk_gc_set_clip_rectangle (style->light_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->dark_gc[state_type], NULL);
gdk_gc_set_clip_rectangle (style->bg_gc[state_type], NULL);
}
}
static void
gtk_style_shade (GdkColor *a,
GdkColor *b,
gdouble k)
{
gdouble red;
gdouble green;
gdouble blue;
red = (gdouble) a->red / 65535.0;
green = (gdouble) a->green / 65535.0;
blue = (gdouble) a->blue / 65535.0;
rgb_to_hls (&red, &green, &blue);
green *= k;
if (green > 1.0)
green = 1.0;
else if (green < 0.0)
green = 0.0;
blue *= k;
if (blue > 1.0)
blue = 1.0;
else if (blue < 0.0)
blue = 0.0;
hls_to_rgb (&red, &green, &blue);
b->red = red * 65535.0;
b->green = green * 65535.0;
b->blue = blue * 65535.0;
}
static void
rgb_to_hls (gdouble *r,
gdouble *g,
gdouble *b)
{
gdouble min;
gdouble max;
gdouble red;
gdouble green;
gdouble blue;
gdouble h, l, s;
gdouble delta;
red = *r;
green = *g;
blue = *b;
if (red > green)
{
if (red > blue)
max = red;
else
max = blue;
if (green < blue)
min = green;
else
min = blue;
}
else
{
if (green > blue)
max = green;
else
max = blue;
if (red < blue)
min = red;
else
min = blue;
}
l = (max + min) / 2;
s = 0;
h = 0;
if (max != min)
{
if (l <= 0.5)
s = (max - min) / (max + min);
else
s = (max - min) / (2 - max - min);
delta = max -min;
if (red == max)
h = (green - blue) / delta;
else if (green == max)
h = 2 + (blue - red) / delta;
else if (blue == max)
h = 4 + (red - green) / delta;
h *= 60;
if (h < 0.0)
h += 360;
}
*r = h;
*g = l;
*b = s;
}
static void
hls_to_rgb (gdouble *h,
gdouble *l,
gdouble *s)
{
gdouble hue;
gdouble lightness;
gdouble saturation;
gdouble m1, m2;
gdouble r, g, b;
lightness = *l;
saturation = *s;
if (lightness <= 0.5)
m2 = lightness * (1 + saturation);
else
m2 = lightness + saturation - lightness * saturation;
m1 = 2 * lightness - m2;
if (saturation == 0)
{
*h = lightness;
*l = lightness;
*s = lightness;
}
else
{
hue = *h + 120;
while (hue > 360)
hue -= 360;
while (hue < 0)
hue += 360;
if (hue < 60)
r = m1 + (m2 - m1) * hue / 60;
else if (hue < 180)
r = m2;
else if (hue < 240)
r = m1 + (m2 - m1) * (240 - hue) / 60;
else
r = m1;
hue = *h;
while (hue > 360)
hue -= 360;
while (hue < 0)
hue += 360;
if (hue < 60)
g = m1 + (m2 - m1) * hue / 60;
else if (hue < 180)
g = m2;
else if (hue < 240)
g = m1 + (m2 - m1) * (240 - hue) / 60;
else
g = m1;
hue = *h - 120;
while (hue > 360)
hue -= 360;
while (hue < 0)
hue += 360;
if (hue < 60)
b = m1 + (m2 - m1) * hue / 60;
else if (hue < 180)
b = m2;
else if (hue < 240)
b = m1 + (m2 - m1) * (240 - hue) / 60;
else
b = m1;
*h = r;
*l = g;
*s = b;
}
}
/**
* gtk_paint_hline:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: rectangle to which the output is clipped, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x1: the starting x coordinate
* @x2: the ending x coordinate
* @y: the y coordinate
*
* Draws a horizontal line from (@x1, @y) to (@x2, @y) in @window
* using the given style and state.
**/
void
gtk_paint_hline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x1,
gint x2,
gint y)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_hline != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_hline (style, window, state_type, area, widget, detail, x1, x2, y);
}
/**
* gtk_paint_vline:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: rectangle to which the output is clipped, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @y1_: the starting y coordinate
* @y2_: the ending y coordinate
* @x: the x coordinate
*
* Draws a vertical line from (@x, @y1_) to (@x, @y2_) in @window
* using the given style and state.
*/
void
gtk_paint_vline (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint y1_,
gint y2_,
gint x)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_vline != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_vline (style, window, state_type, area, widget, detail, y1_, y2_, x);
}
/**
* gtk_paint_shadow:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @area: clip rectangle or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the rectangle
* @y: y origin of the rectangle
* @width: width of the rectangle
* @height: width of the rectangle
*
* Draws a shadow around the given rectangle in @window
* using the given style and state and shadow type.
*/
void
gtk_paint_shadow (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_shadow != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_shadow (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height);
}
/**
* gtk_paint_polygon:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @points: an array of #GdkPoint<!-- -->s
* @npoints: length of @points
* @fill: %TRUE if the polygon should be filled
*
* Draws a polygon on @window with the given parameters.
*/
void
gtk_paint_polygon (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GdkPoint *points,
gint npoints,
gboolean fill)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_polygon != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_polygon (style, window, state_type, shadow_type, area, widget, detail, points, npoints, fill);
}
/**
* gtk_paint_arrow:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @arrow_type: the type of arrow to draw
* @fill: %TRUE if the arrow tip should be filled
* @x: x origin of the rectangle to draw the arrow in
* @y: y origin of the rectangle to draw the arrow in
* @width: width of the rectangle to draw the arrow in
* @height: height of the rectangle to draw the arrow in
*
* Draws an arrow in the given rectangle on @window using the given
* parameters. @arrow_type determines the direction of the arrow.
*/
void
gtk_paint_arrow (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GtkArrowType arrow_type,
gboolean fill,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_arrow != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_arrow (style, window, state_type, shadow_type, area, widget, detail, arrow_type, fill, x, y, width, height);
}
/**
* gtk_paint_diamond:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the rectangle to draw the diamond in
* @y: y origin of the rectangle to draw the diamond in
* @width: width of the rectangle to draw the diamond in
* @height: height of the rectangle to draw the diamond in
*
* Draws a diamond in the given rectangle on @window using the given
* parameters.
*/
void
gtk_paint_diamond (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_diamond != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_diamond (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height);
}
/**
* gtk_paint_string:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin
* @y: y origin
* @string: the string to draw
*
* Draws a text string on @window with the given parameters.
*
* Deprecated: Use gtk_paint_layout() instead.
*/
void
gtk_paint_string (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
const gchar *string)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_string != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_string (style, window, state_type, area, widget, detail, x, y, string);
}
/**
* gtk_paint_box:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the box
* @y: y origin of the box
* @width: the width of the box
* @height: the height of the box
*
* Draws a box on @window with the given parameters.
*/
void
gtk_paint_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_box != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_box (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height);
}
/**
* gtk_paint_flat_box:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the box
* @y: y origin of the box
* @width: the width of the box
* @height: the height of the box
*
* Draws a flat box on @window with the given parameters.
*/
void
gtk_paint_flat_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_flat_box != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_flat_box (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height);
}
/**
* gtk_paint_check:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the rectangle to draw the check in
* @y: y origin of the rectangle to draw the check in
* @width: the width of the rectangle to draw the check in
* @height: the height of the rectangle to draw the check in
*
* Draws a check button indicator in the given rectangle on @window with
* the given parameters.
*/
void
gtk_paint_check (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_check != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_check (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height);
}
/**
* gtk_paint_option:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the rectangle to draw the option in
* @y: y origin of the rectangle to draw the option in
* @width: the width of the rectangle to draw the option in
* @height: the height of the rectangle to draw the option in
*
* Draws a radio button indicator in the given rectangle on @window with
* the given parameters.
*/
void
gtk_paint_option (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_option != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_option (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height);
}
/**
* gtk_paint_tab:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the rectangle to draw the tab in
* @y: y origin of the rectangle to draw the tab in
* @width: the width of the rectangle to draw the tab in
* @height: the height of the rectangle to draw the tab in
*
* Draws an option menu tab (i.e. the up and down pointing arrows)
* in the given rectangle on @window using the given parameters.
*/
void
gtk_paint_tab (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_tab != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_tab (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height);
}
/**
* gtk_paint_shadow_gap:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the rectangle
* @y: y origin of the rectangle
* @width: width of the rectangle
* @height: width of the rectangle
* @gap_side: side in which to leave the gap
* @gap_x: starting position of the gap
* @gap_width: width of the gap
*
* Draws a shadow around the given rectangle in @window
* using the given style and state and shadow type, leaving a
* gap in one side.
*/
void
gtk_paint_shadow_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_shadow_gap != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_shadow_gap (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height, gap_side, gap_x, gap_width);
}
/**
* gtk_paint_box_gap:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the rectangle
* @y: y origin of the rectangle
* @width: width of the rectangle
* @height: width of the rectangle
* @gap_side: side in which to leave the gap
* @gap_x: starting position of the gap
* @gap_width: width of the gap
*
* Draws a box in @window using the given style and state and shadow type,
* leaving a gap in one side.
*/
void
gtk_paint_box_gap (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_box_gap != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_box_gap (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height, gap_side, gap_x, gap_width);
}
/**
* gtk_paint_extension:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the extension
* @y: y origin of the extension
* @width: width of the extension
* @height: width of the extension
* @gap_side: the side on to which the extension is attached
*
* Draws an extension, i.e. a notebook tab.
**/
void
gtk_paint_extension (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_extension != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_extension (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height, gap_side);
}
/**
* gtk_paint_focus:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: the x origin of the rectangle around which to draw a focus indicator
* @y: the y origin of the rectangle around which to draw a focus indicator
* @width: the width of the rectangle around which to draw a focus indicator
* @height: the height of the rectangle around which to draw a focus indicator
*
* Draws a focus indicator around the given rectangle on @window using the
* given style.
*/
void
gtk_paint_focus (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_focus != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_focus (style, window, state_type, area, widget, detail, x, y, width, height);
}
void
gtk_paint_slider (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_slider != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_slider (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height, orientation);
}
/**
* gtk_paint_handle:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: type of shadow to draw
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: x origin of the handle
* @y: y origin of the handle
* @width: with of the handle
* @height: height of the handle
* @orientation: the orientation of the handle
*
* Draws a handle as used in #GtkHandleBox and #GtkPaned.
**/
void
gtk_paint_handle (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_handle != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_handle (style, window, state_type, shadow_type, area, widget, detail, x, y, width, height, orientation);
}
/**
* gtk_paint_expander:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @x: the x position to draw the expander at
* @y: the y position to draw the expander at
* @expander_style: the style to draw the expander in
*
* Draws an expander as used in #GtkTreeView.
**/
void
gtk_paint_expander (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
GtkExpanderStyle expander_style)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_expander != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_expander (style, window, state_type, area,
widget, detail, x, y, expander_style);
}
void
gtk_paint_layout (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gboolean use_text,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
PangoLayout *layout)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_layout != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_layout (style, window, state_type, use_text, area,
widget, detail, x, y, layout);
}
/**
* gtk_paint_resize_grip:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: clip rectangle, or %NULL if the
* output should not be clipped
* @widget: the widget (may be %NULL)
* @detail: a style detail (may be %NULL)
* @edge: the edge in which to draw the resize grip
* @x: the x origin of the rectangle in which to draw the resize grip
* @y: the y origin of the rectangle in which to draw the resize grip
* @width: the width of the rectangle in which to draw the resize grip
* @height: the height of the rectangle in which to draw the resize grip
*
* Draws a resize grip in the given rectangle on @window using the given
* parameters.
*/
void
gtk_paint_resize_grip (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
GdkWindowEdge edge,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (GTK_STYLE_GET_CLASS (style)->draw_resize_grip != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_resize_grip (style, window, state_type,
area, widget, detail,
edge, x, y, width, height);
}
/**
* gtk_border_copy:
* @border_: a #GtkBorder.
* @returns: a copy of @border_.
*
* Copies a #GtkBorder structure.
**/
GtkBorder *
gtk_border_copy (const GtkBorder *border)
{
return (GtkBorder *)g_memdup (border, sizeof (GtkBorder));
}
/**
* gtk_border_free:
* @border_: a #GtkBorder.
*
* Frees a #GtkBorder structure.
**/
void
gtk_border_free (GtkBorder *border)
{
g_free (border);
}
GType
gtk_border_get_type (void)
{
static GType our_type = 0;
if (our_type == 0)
our_type = g_boxed_type_register_static ("GtkBorder",
(GBoxedCopyFunc) gtk_border_copy,
(GBoxedFreeFunc) gtk_border_free);
return our_type;
}
static GdkFont *
gtk_style_get_font_internal (GtkStyle *style)
{
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
if (style->private_font && style->private_font_desc)
{
if (!style->font_desc ||
!pango_font_description_equal (style->private_font_desc, style->font_desc))
{
gdk_font_unref (style->private_font);
style->private_font = NULL;
if (style->private_font_desc)
{
pango_font_description_free (style->private_font_desc);
style->private_font_desc = NULL;
}
}
}
if (!style->private_font)
{
GdkDisplay *display;
if (style->colormap)
{
display = gdk_screen_get_display (gdk_colormap_get_screen (style->colormap));
}
else
{
display = gdk_display_get_default ();
GTK_NOTE (MULTIHEAD,
g_warning ("gtk_style_get_font() should not be called on an unattached style"));
}
if (style->font_desc)
{
style->private_font = gdk_font_from_description_for_display (display, style->font_desc);
style->private_font_desc = pango_font_description_copy (style->font_desc);
}
if (!style->private_font)
style->private_font = gdk_font_load_for_display (display, "fixed");
if (!style->private_font)
g_error ("Unable to load \"fixed\" font");
}
return style->private_font;
}
/**
* gtk_style_get_font:
* @style: a #GtkStyle
*
* Gets the #GdkFont to use for the given style. This is
* meant only as a replacement for direct access to @style->font
* and should not be used in new code. New code should
* use @style->font_desc instead.
*
* Return value: the #GdkFont for the style. This font is owned
* by the style; if you want to keep around a copy, you must
* call gdk_font_ref().
**/
GdkFont *
gtk_style_get_font (GtkStyle *style)
{
g_return_val_if_fail (GTK_IS_STYLE (style), NULL);
return gtk_style_get_font_internal (style);
}
/**
* gtk_style_set_font:
* @style: a #GtkStyle.
* @font: a #GdkFont, or %NULL to use the #GdkFont corresponding
* to style->font_desc.
*
* Sets the #GdkFont to use for a given style. This is
* meant only as a replacement for direct access to style->font
* and should not be used in new code. New code should
* use style->font_desc instead.
**/
void
gtk_style_set_font (GtkStyle *style,
GdkFont *font)
{
GdkFont *old_font;
g_return_if_fail (GTK_IS_STYLE (style));
old_font = style->private_font;
style->private_font = font;
if (font)
gdk_font_ref (font);
if (old_font)
gdk_font_unref (old_font);
if (style->private_font_desc)
{
pango_font_description_free (style->private_font_desc);
style->private_font_desc = NULL;
}
}
typedef struct _CursorInfo CursorInfo;
struct _CursorInfo
{
GType for_type;
GdkGC *primary_gc;
GdkGC *secondary_gc;
};
static void
style_unrealize_cursor_gcs (GtkStyle *style)
{
CursorInfo *
cursor_info = g_object_get_data (G_OBJECT (style), "gtk-style-cursor-info");
if (cursor_info)
{
if (cursor_info->primary_gc)
gtk_gc_release (cursor_info->primary_gc);
if (cursor_info->secondary_gc)
gtk_gc_release (cursor_info->secondary_gc);
g_free (cursor_info);
g_object_set_data (G_OBJECT (style), "gtk-style-cursor-info", NULL);
}
}
static GdkGC *
make_cursor_gc (GtkWidget *widget,
const gchar *property_name,
const GdkColor *fallback)
{
GdkGCValues gc_values;
GdkGCValuesMask gc_values_mask;
GdkColor *cursor_color;
gtk_widget_style_get (widget, property_name, &cursor_color, NULL);
gc_values_mask = GDK_GC_FOREGROUND;
if (cursor_color)
{
gc_values.foreground = *cursor_color;
gdk_color_free (cursor_color);
}
else
gc_values.foreground = *fallback;
gdk_rgb_find_color (widget->style->colormap, &gc_values.foreground);
return gtk_gc_get (widget->style->depth, widget->style->colormap, &gc_values, gc_values_mask);
}
static GdkGC *
get_insertion_cursor_gc (GtkWidget *widget,
gboolean is_primary)
{
CursorInfo *cursor_info;
cursor_info = g_object_get_data (G_OBJECT (widget->style), "gtk-style-cursor-info");
if (!cursor_info)
{
cursor_info = g_new (CursorInfo, 1);
g_object_set_data (G_OBJECT (widget->style), "gtk-style-cursor-info", cursor_info);
cursor_info->primary_gc = NULL;
cursor_info->secondary_gc = NULL;
cursor_info->for_type = G_TYPE_INVALID;
}
/* We have to keep track of the type because gtk_widget_style_get()
* can return different results when called on the same property and
* same style but for different widgets. :-(. That is,
* GtkEntry::cursor-color = "red" in a style will modify the cursor
* color for entries but not for text view.
*/
if (cursor_info->for_type != G_OBJECT_TYPE (widget))
{
cursor_info->for_type = G_OBJECT_TYPE (widget);
if (cursor_info->primary_gc)
{
gtk_gc_release (cursor_info->primary_gc);
cursor_info->primary_gc = NULL;
}
if (cursor_info->secondary_gc)
{
gtk_gc_release (cursor_info->secondary_gc);
cursor_info->secondary_gc = NULL;
}
}
if (is_primary)
{
if (!cursor_info->primary_gc)
cursor_info->primary_gc = make_cursor_gc (widget,
"cursor-color",
&widget->style->black);
return cursor_info->primary_gc;
}
else
{
static const GdkColor gray = { 0, 0x8888, 0x8888, 0x8888 };
if (!cursor_info->secondary_gc)
cursor_info->secondary_gc = make_cursor_gc (widget,
"secondary-cursor-color",
&gray);
return cursor_info->secondary_gc;
}
}
static void
draw_insertion_cursor (GtkWidget *widget,
GdkDrawable *drawable,
GdkGC *gc,
GdkRectangle *location,
GtkTextDirection direction,
gboolean draw_arrow)
{
gint stem_width;
gint arrow_width;
gint x, y;
gint i;
gfloat cursor_aspect_ratio;
gint offset;
g_return_if_fail (direction != GTK_TEXT_DIR_NONE);
gtk_widget_style_get (widget, "cursor-aspect-ratio", &cursor_aspect_ratio, NULL);
stem_width = location->height * cursor_aspect_ratio + 1;
arrow_width = stem_width + 1;
/* put (stem_width % 2) on the proper side of the cursor */
if (direction == GTK_TEXT_DIR_LTR)
offset = stem_width / 2;
else
offset = stem_width - stem_width / 2;
for (i = 0; i < stem_width; i++)
gdk_draw_line (drawable, gc,
location->x + i - offset, location->y,
location->x + i - offset, location->y + location->height - 1);
if (draw_arrow)
{
if (direction == GTK_TEXT_DIR_RTL)
{
x = location->x - offset - 1;
y = location->y + location->height - arrow_width * 2 - arrow_width + 1;
for (i = 0; i < arrow_width; i++)
{
gdk_draw_line (drawable, gc,
x, y + i + 1,
x, y + 2 * arrow_width - i - 1);
x --;
}
}
else if (direction == GTK_TEXT_DIR_LTR)
{
x = location->x + stem_width - offset;
y = location->y + location->height - arrow_width * 2 - arrow_width + 1;
for (i = 0; i < arrow_width; i++)
{
gdk_draw_line (drawable, gc,
x, y + i + 1,
x, y + 2 * arrow_width - i - 1);
x++;
}
}
}
}
/**
* gtk_draw_insertion_cursor:
* @widget: a #GtkWidget
* @drawable: a #GdkDrawable
* @area: rectangle to which the output is clipped, or %NULL if the
* output should not be clipped
* @location: location where to draw the cursor (@location->width is ignored)
* @is_primary: if the cursor should be the primary cursor color.
* @direction: whether the cursor is left-to-right or
* right-to-left. Should never be #GTK_TEXT_DIR_NONE
* @draw_arrow: %TRUE to draw a directional arrow on the
* cursor. Should be %FALSE unless the cursor is split.
*
* Draws a text caret on @drawable at @location. This is not a style function
* but merely a convenience function for drawing the standard cursor shape.
*
* Since: 2.4
**/
void
gtk_draw_insertion_cursor (GtkWidget *widget,
GdkDrawable *drawable,
GdkRectangle *area,
GdkRectangle *location,
gboolean is_primary,
GtkTextDirection direction,
gboolean draw_arrow)
{
GdkGC *gc;
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (GDK_IS_DRAWABLE (drawable));
g_return_if_fail (location != NULL);
g_return_if_fail (direction != GTK_TEXT_DIR_NONE);
gc = get_insertion_cursor_gc (widget, is_primary);
if (area)
gdk_gc_set_clip_rectangle (gc, area);
draw_insertion_cursor (widget, drawable, gc,
location, direction, draw_arrow);
if (area)
gdk_gc_set_clip_rectangle (gc, NULL);
}
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