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gtk2/gtk/gtkstyle.c
Kristian Rietveld a79d6676ac Update gtkstyle.c to account for removal of row-ending-details 
The detail strings now have more "detail" by default, so gtkstyle.c
needed to be updated to properly handle this.  Tests like testtreeview,
testtreesort now have proper background drawing again.

This strncmp trick was the best I could think of so quickly, if anybody
has an idea to do this in a better way, let me know.
2010-09-13 17:13:21 +02:00

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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 <gobject/gvaluecollector.h>
#include "gtkmarshalers.h"
#include "gtkpango.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() */
#include "gtkintl.h"
#include "gtkspinner.h"
/**
* SECTION:gtkstyle
* @Short_description: An object that hold style information for widgets
* @Title: GtkStyle
*
* A #GtkStyle object encapsulates the information that provides the look and
* feel for a widget. Each #GtkWidget has an associated #GTkStyle object that
* is used when rendering that widget. Also, a #GtkStyle holds information for
* the five possible widget states though not every widget supports all five
* states; see #GtkStateType.
*
* Usually the #GtkStyle for a widget is the same as the default style that is
* set by GTK+ and modified the theme engine.
*
* Usually applications should not need to use or modify the #GtkStyle of their
* widgets.
*/
#define LIGHTNESS_MULT 1.3
#define DARKNESS_MULT 0.7
/* --- typedefs & structures --- */
typedef struct {
GType widget_type;
GParamSpec *pspec;
GValue value;
} PropertyValue;
#define GTK_STYLE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_STYLE, GtkStylePrivate))
typedef struct _GtkStylePrivate GtkStylePrivate;
struct _GtkStylePrivate {
GSList *color_hashes;
};
/* --- prototypes --- */
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_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_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_default_draw_spinner (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
guint step,
gint x,
gint y,
gint width,
gint height);
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_cursors (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 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 };
/* --- signals --- */
static guint realize_signal = 0;
static guint unrealize_signal = 0;
G_DEFINE_TYPE (GtkStyle, gtk_style, G_TYPE_OBJECT)
/* --- functions --- */
/**
* _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->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;
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);
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_arrow = gtk_default_draw_arrow;
klass->draw_diamond = gtk_default_draw_diamond;
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;
klass->draw_spinner = gtk_default_draw_spinner;
g_type_class_add_private (object_class, sizeof (GtkStylePrivate));
/**
* 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 (I_("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 as object data on #GtkStyle.
* This signal provides a convenient place to free such cached objects.
*
* Since: 2.4
*/
unrealize_signal = g_signal_new (I_("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);
GtkStylePrivate *priv = GTK_STYLE_GET_PRIVATE (style);
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)
style->styles = 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);
}
}
g_slist_foreach (style->icon_factories, (GFunc) g_object_unref, NULL);
g_slist_free (style->icon_factories);
g_slist_foreach (priv->color_hashes, (GFunc) g_hash_table_unref, NULL);
g_slist_free (priv->color_hashes);
pango_font_description_free (style->font_desc);
if (style->private_font_desc)
pango_font_description_free (style->private_font_desc);
if (style->rc_style)
g_object_unref (style->rc_style);
G_OBJECT_CLASS (gtk_style_parent_class)->finalize (object);
}
/**
* gtk_style_copy:
* @style: a #GtkStyle
*
* Creates a copy of the passed in #GtkStyle object.
*
* Returns: a copy of @style
*/
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.
*
* 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.
*
* Since this function may return a new object, you have to use it
* in the following way:
* <literal>style = gtk_style_attach (style, window)</literal>
*
* Returns: Either @style, or a newly-created #GtkStyle.
* If the style is newly created, the style parameter
* will be unref'ed, and the new style will have
* a reference count belonging to the caller.
*/
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);
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;
}
/**
* gtk_style_detach:
* @style: a #GtkStyle
*
* Detaches a style from a window. If the style is not attached
* to any windows anymore, it is unrealized. See gtk_style_attach().
*
*/
void
gtk_style_detach (GtkStyle *style)
{
g_return_if_fail (GTK_IS_STYLE (style));
g_return_if_fail (style->attach_count > 0);
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)
{
pango_font_description_free (style->private_font_desc);
style->private_font_desc = NULL;
}
g_object_unref (style);
}
}
static void
gtk_style_realize (GtkStyle *style,
GdkColormap *colormap)
{
style->colormap = g_object_ref (colormap);
style->depth = gdk_colormap_get_visual (colormap)->depth;
g_signal_emit (style, realize_signal, 0);
}
/**
* gtk_style_lookup_icon_set:
* @style: a #GtkStyle
* @stock_id: an icon name
*
* Looks up @stock_id in the icon factories associated with @style
* and the default icon factory, returning an icon set if found,
* otherwise %NULL.
*
* Return value: icon set of @stock_id
*/
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_style_lookup_color:
* @style: a #GtkStyle
* @color_name: the name of the logical color to look up
* @color: the #GdkColor to fill in
*
* Looks up @color_name in the style's logical color mappings,
* filling in @color and returning %TRUE if found, otherwise
* returning %FALSE. Do not cache the found mapping, because
* it depends on the #GtkStyle and might change when a theme
* switch occurs.
*
* Return value: %TRUE if the mapping was found.
*
* Since: 2.10
**/
gboolean
gtk_style_lookup_color (GtkStyle *style,
const char *color_name,
GdkColor *color)
{
GtkStylePrivate *priv;
GSList *iter;
g_return_val_if_fail (GTK_IS_STYLE (style), FALSE);
g_return_val_if_fail (color_name != NULL, FALSE);
g_return_val_if_fail (color != NULL, FALSE);
priv = GTK_STYLE_GET_PRIVATE (style);
for (iter = priv->color_hashes; iter != NULL; iter = iter->next)
{
GHashTable *hash = iter->data;
GdkColor *mapping = g_hash_table_lookup (hash, color_name);
if (mapping)
{
color->red = mapping->red;
color->green = mapping->green;
color->blue = mapping->blue;
return TRUE;
}
}
return FALSE;
}
/**
* 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)
{
GtkStylePrivate *priv = GTK_STYLE_GET_PRIVATE (style);
GtkStylePrivate *src_priv = GTK_STYLE_GET_PRIVATE (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->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)
g_object_unref (style->rc_style);
style->rc_style = src->rc_style;
if (src->rc_style)
g_object_ref (src->rc_style);
g_slist_foreach (style->icon_factories, (GFunc) g_object_unref, NULL);
g_slist_free (style->icon_factories);
style->icon_factories = g_slist_copy (src->icon_factories);
g_slist_foreach (style->icon_factories, (GFunc) g_object_ref, NULL);
g_slist_foreach (priv->color_hashes, (GFunc) g_hash_table_unref, NULL);
g_slist_free (priv->color_hashes);
priv->color_hashes = g_slist_copy (src_priv->color_hashes);
g_slist_foreach (priv->color_hashes, (GFunc) g_hash_table_ref, NULL);
/* don't copy, just clear cache */
clear_property_cache (style);
}
static void
gtk_style_real_init_from_rc (GtkStyle *style,
GtkRcStyle *rc_style)
{
GtkStylePrivate *priv = GTK_STYLE_GET_PRIVATE (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;
style->icon_factories = g_slist_copy (rc_style->icon_factories);
g_slist_foreach (style->icon_factories, (GFunc) g_object_ref, NULL);
priv->color_hashes = g_slist_copy (_gtk_rc_style_get_color_hashes (rc_style));
g_slist_foreach (priv->color_hashes, (GFunc) g_hash_table_ref, NULL);
}
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;
}
/**
* gtk_style_get_style_property:
* @style: a #GtkStyle
* @widget_type: the #GType of a descendant of #GtkWidget
* @property_name: the name of the style property to get
* @value: a #GValue where the value of the property being
* queried will be stored
*
* Queries the value of a style property corresponding to a
* widget class is in the given style.
*
* Since: 2.16
*/
void
gtk_style_get_style_property (GtkStyle *style,
GType widget_type,
const gchar *property_name,
GValue *value)
{
GtkWidgetClass *klass;
GParamSpec *pspec;
GtkRcPropertyParser parser;
const GValue *peek_value;
klass = g_type_class_ref (widget_type);
pspec = gtk_widget_class_find_style_property (klass, property_name);
g_type_class_unref (klass);
if (!pspec)
{
g_warning ("%s: widget class `%s' has no property named `%s'",
G_STRLOC,
g_type_name (widget_type),
property_name);
return;
}
parser = g_param_spec_get_qdata (pspec,
g_quark_from_static_string ("gtk-rc-property-parser"));
peek_value = _gtk_style_peek_property_value (style, widget_type, pspec, parser);
if (G_VALUE_TYPE (value) == G_PARAM_SPEC_VALUE_TYPE (pspec))
g_value_copy (peek_value, value);
else if (g_value_type_transformable (G_PARAM_SPEC_VALUE_TYPE (pspec), G_VALUE_TYPE (value)))
g_value_transform (peek_value, value);
else
g_warning ("can't retrieve style property `%s' of type `%s' as value of type `%s'",
pspec->name,
g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)),
G_VALUE_TYPE_NAME (value));
}
/**
* gtk_style_get_valist:
* @style: a #GtkStyle
* @widget_type: the #GType of a descendant of #GtkWidget
* @first_property_name: the name of the first style property to get
* @var_args: a <type>va_list</type> of pairs of property names and
* locations to return the property values, starting with the
* location for @first_property_name.
*
* Non-vararg variant of gtk_style_get().
* Used primarily by language bindings.
*
* Since: 2.16
*/
void
gtk_style_get_valist (GtkStyle *style,
GType widget_type,
const gchar *first_property_name,
va_list var_args)
{
const char *property_name;
GtkWidgetClass *klass;
g_return_if_fail (GTK_IS_STYLE (style));
klass = g_type_class_ref (widget_type);
property_name = first_property_name;
while (property_name)
{
GParamSpec *pspec;
GtkRcPropertyParser parser;
const GValue *peek_value;
gchar *error;
pspec = gtk_widget_class_find_style_property (klass, property_name);
if (!pspec)
{
g_warning ("%s: widget class `%s' has no property named `%s'",
G_STRLOC,
g_type_name (widget_type),
property_name);
break;
}
parser = g_param_spec_get_qdata (pspec,
g_quark_from_static_string ("gtk-rc-property-parser"));
peek_value = _gtk_style_peek_property_value (style, widget_type, pspec, parser);
G_VALUE_LCOPY (peek_value, var_args, 0, &error);
if (error)
{
g_warning ("%s: %s", G_STRLOC, error);
g_free (error);
break;
}
property_name = va_arg (var_args, gchar*);
}
g_type_class_unref (klass);
}
/**
* gtk_style_get:
* @style: a #GtkStyle
* @widget_type: the #GType of a descendant of #GtkWidget
* @first_property_name: the name of the first style property to get
* @Varargs: pairs of property names and locations to
* return the property values, starting with the location for
* @first_property_name, terminated by %NULL.
*
* Gets the values of a multiple style properties for @widget_type
* from @style.
*
* Since: 2.16
*/
void
gtk_style_get (GtkStyle *style,
GType widget_type,
const gchar *first_property_name,
...)
{
va_list var_args;
va_start (var_args, first_property_name);
gtk_style_get_valist (style, widget_type, first_property_name, var_args);
va_end (var_args);
}
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 ? rcprop->origin : "(for origin information, set GTK_DEBUG)",
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
{
GdkPixmap *pixmap;
GdkPixbuf *pixbuf;
cairo_t *cr;
GdkScreen *screen = gdk_colormap_get_screen (colormap);
pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
if (!pixbuf)
return NULL;
pixmap = gdk_pixmap_new (gdk_screen_get_root_window (screen),
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
gdk_colormap_get_visual (colormap)->depth);
gdk_drawable_set_colormap (pixmap, colormap);
cr = gdk_cairo_create (pixmap);
gdk_cairo_set_source_color (cr, bg_color);
cairo_paint (cr);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
g_object_unref (pixbuf);
return pixmap;
}
}
static void
gtk_style_real_realize (GtkStyle *style)
{
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;
style->white.red = 0xffff;
style->white.green = 0xffff;
style->white.blue = 0xffff;
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]);
}
}
static void
gtk_style_real_unrealize (GtkStyle *style)
{
int i;
for (i = 0; i < 5; 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;
}
}
style_unrealize_cursors (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: (type int) 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: (allow-none): the widget
* @detail: (allow-none): 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 */
/**
* gtk_style_apply_default_background:
* @style:
* @window:
* @set_bg:
* @state_type:
* @area: (allow-none):
* @x:
* @y:
* @width:
* @height:
*/
void
gtk_style_apply_default_background (GtkStyle *style,
GdkWindow *window,
gboolean set_bg,
GtkStateType state_type,
const 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))
{
cairo_t *cr = gdk_cairo_create (window);
if (style->bg_pixmap[state_type])
{
gdk_cairo_set_source_pixmap (cr, style->bg_pixmap[state_type], 0, 0);
cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT);
}
else
gdk_cairo_set_source_color (cr, &style->bg[state_type]);
gdk_cairo_rectangle (cr, &new_rect);
cairo_fill (cr);
cairo_destroy (cr);
}
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 gboolean
lookup_icon_size (GtkStyle *style,
GtkWidget *widget,
GtkIconSize size,
gint *width,
gint *height)
{
GdkScreen *screen;
GtkSettings *settings;
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()"));
}
return gtk_icon_size_lookup_for_settings (settings, size, width, height);
}
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;
/* 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 (size != (GtkIconSize) -1 && !lookup_icon_size(style, widget, 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 void
_cairo_draw_line (cairo_t *cr,
GdkColor *color,
gint x1,
gint y1,
gint x2,
gint y2)
{
cairo_save (cr);
gdk_cairo_set_source_color (cr, color);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
cairo_move_to (cr, x1 + 0.5, y1 + 0.5);
cairo_line_to (cr, x2 + 0.5, y2 + 0.5);
cairo_stroke (cr);
cairo_restore (cr);
}
static void
_cairo_draw_rectangle (cairo_t *cr,
GdkColor *color,
gboolean filled,
gint x,
gint y,
gint width,
gint height)
{
gdk_cairo_set_source_color (cr, color);
if (filled)
{
cairo_rectangle (cr, x, y, width, height);
cairo_fill (cr);
}
else
{
cairo_rectangle (cr, x + 0.5, y + 0.5, width, height);
cairo_stroke (cr);
}
}
static void
_cairo_draw_point (cairo_t *cr,
GdkColor *color,
gint x,
gint y)
{
gdk_cairo_set_source_color (cr, color);
cairo_rectangle (cr, x, y, 1, 1);
cairo_fill (cr);
}
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)
{
cairo_t *cr;
gint thickness_light;
gint thickness_dark;
gint i;
thickness_light = style->ythickness / 2;
thickness_dark = style->ythickness - thickness_light;
cr = gdk_cairo_create (window);
cairo_set_line_width (cr, 1.0);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
if (detail && !strcmp (detail, "label"))
{
if (state_type == GTK_STATE_INSENSITIVE)
_cairo_draw_line (cr, &style->white, x1 + 1, y + 1, x2 + 1, y + 1);
_cairo_draw_line (cr, &style->fg[state_type], x1, y, x2, y);
}
else
{
for (i = 0; i < thickness_dark; i++)
{
_cairo_draw_line (cr, &style->dark[state_type], x1, y + i, x2 - i - 1, y + i);
_cairo_draw_line (cr, &style->light[state_type], x2 - i, y + i, x2, y + i);
}
y += thickness_dark;
for (i = 0; i < thickness_light; i++)
{
_cairo_draw_line (cr, &style->dark[state_type], x1, y + i, x1 + thickness_light - i - 1, y + i);
_cairo_draw_line (cr, &style->light[state_type], x1 + thickness_light - i, y + i, x2, y + i);
}
}
cairo_destroy (cr);
}
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)
{
cairo_t *cr;
gint thickness_light;
gint thickness_dark;
gint i;
thickness_light = style->xthickness / 2;
thickness_dark = style->xthickness - thickness_light;
cr = gdk_cairo_create (window);
cairo_set_line_width (cr, 1.0);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
for (i = 0; i < thickness_dark; i++)
{
_cairo_draw_line (cr, &style->dark[state_type],
x + i, y1, x + i, y2 - i - 1);
_cairo_draw_line (cr, &style->light[state_type],
x + i, y2 - i, x + i, y2);
}
x += thickness_dark;
for (i = 0; i < thickness_light; i++)
{
_cairo_draw_line (cr, &style->dark[state_type],
x + i, y1, x + i, y1 + thickness_light - i - 1);
_cairo_draw_line (cr, &style->light[state_type],
x + i, y1 + thickness_light - i, x + i, y2);
}
cairo_destroy (cr);
}
static void
draw_thin_shadow (GtkStyle *style,
cairo_t *cr,
GtkStateType state,
GdkRectangle *area,
gint x,
gint y,
gint width,
gint height)
{
GdkColor *gc1, *gc2;
gc1 = &style->light[state];
gc2 = &style->dark[state];
_cairo_draw_line (cr, gc1,
x, y + height - 1, x + width - 1, y + height - 1);
_cairo_draw_line (cr, gc1,
x + width - 1, y, x + width - 1, y + height - 1);
_cairo_draw_line (cr, gc2,
x, y, x + width - 2, y);
_cairo_draw_line (cr, gc2,
x, y, x, y + height - 2);
}
static void
draw_spinbutton_shadow (GtkStyle *style,
cairo_t *cr,
GtkStateType state,
GtkTextDirection direction,
GdkRectangle *area,
gint x,
gint y,
gint width,
gint height)
{
if (direction == GTK_TEXT_DIR_LTR)
{
_cairo_draw_line (cr, &style->dark[state],
x, y, x + width - 1, y);
_cairo_draw_line (cr, &style->black,
x, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, &style->black,
x + width - 2, y + 2, x + width - 2, y + height - 3);
_cairo_draw_line (cr, &style->light[state],
x + width - 1, y + 1, x + width - 1, y + height - 2);
_cairo_draw_line (cr, &style->light[state],
x, y + height - 1, x + width - 1, y + height - 1);
_cairo_draw_line (cr, &style->bg[state],
x, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &style->black,
x, y + 2, x, y + height - 3);
}
else
{
_cairo_draw_line (cr, &style->dark[state],
x, y, x + width - 1, y);
_cairo_draw_line (cr, &style->dark[state],
x, y + 1, x, y + height - 1);
_cairo_draw_line (cr, &style->black,
x + 1, y + 1, x + width - 1, y + 1);
_cairo_draw_line (cr, &style->black,
x + 1, y + 2, x + 1, y + height - 2);
_cairo_draw_line (cr, &style->black,
x + width - 1, y + 2, x + width - 1, y + height - 3);
_cairo_draw_line (cr, &style->light[state],
x + 1, y + height - 1, x + width - 1, y + height - 1);
_cairo_draw_line (cr, &style->bg[state],
x + 2, y + height - 2, x + width - 1, y + height - 2);
}
}
static void
draw_menu_shadow (GtkStyle *style,
cairo_t *cr,
GtkStateType state,
GdkRectangle *area,
gint x,
gint y,
gint width,
gint height)
{
if (style->ythickness > 0)
{
if (style->ythickness > 1)
{
_cairo_draw_line (cr, &style->dark[state],
x + 1, y + height - 2,
x + width - 2, y + height - 2);
_cairo_draw_line (cr, &style->black,
x, y + height - 1, x + width - 1, y + height - 1);
}
else
{
_cairo_draw_line (cr, &style->dark[state],
x + 1, y + height - 1, x + width - 1, y + height - 1);
}
}
if (style->xthickness > 0)
{
if (style->xthickness > 1)
{
_cairo_draw_line (cr, &style->dark[state],
x + width - 2, y + 1,
x + width - 2, y + height - 2);
_cairo_draw_line (cr, &style->black,
x + width - 1, y, x + width - 1, y + height - 1);
}
else
{
_cairo_draw_line (cr, &style->dark[state],
x + width - 1, y + 1, x + width - 1, y + height - 1);
}
}
/* Light around top and left */
if (style->ythickness > 0)
_cairo_draw_line (cr, &style->black,
x, y, x + width - 2, y);
if (style->xthickness > 0)
_cairo_draw_line (cr, &style->black,
x, y, x, y + height - 2);
if (style->ythickness > 1)
_cairo_draw_line (cr, &style->light[state],
x + 1, y + 1, x + width - 3, y + 1);
if (style->xthickness > 1)
_cairo_draw_line (cr, &style->light[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)
{
cairo_t *cr;
GdkColor *gc1 = NULL;
GdkColor *gc2 = NULL;
gint thickness_light;
gint thickness_dark;
gint i;
sanitize_size (window, &width, &height);
cr = gdk_cairo_create (window);
cairo_set_line_width (cr, 1.0);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
if (shadow_type == GTK_SHADOW_IN)
{
if (detail && strcmp (detail, "buttondefault") == 0)
{
_cairo_draw_rectangle (cr, &style->black, FALSE,
x, y, width - 1, height - 1);
cairo_destroy (cr);
return;
}
if (detail && strcmp (detail, "trough") == 0)
{
draw_thin_shadow (style, cr, state_type, area,
x, y, width, height);
cairo_destroy (cr);
return;
}
if (GTK_IS_SPIN_BUTTON (widget) &&
detail && strcmp (detail, "spinbutton") == 0)
{
draw_spinbutton_shadow (style, cr, state_type,
get_direction (widget), area, x, y, width, height);
cairo_destroy (cr);
return;
}
}
if (shadow_type == GTK_SHADOW_OUT && detail && strcmp (detail, "menu") == 0)
{
draw_menu_shadow (style, cr, state_type, area, x, y, width, height);
cairo_destroy (cr);
return;
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
cairo_destroy (cr);
return;
case GTK_SHADOW_IN:
case GTK_SHADOW_ETCHED_IN:
gc1 = &style->light[state_type];
gc2 = &style->dark[state_type];
break;
case GTK_SHADOW_OUT:
case GTK_SHADOW_ETCHED_OUT:
gc1 = &style->dark[state_type];
gc2 = &style->light[state_type];
break;
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
break;
case GTK_SHADOW_IN:
/* Light around right and bottom edge */
if (style->ythickness > 0)
_cairo_draw_line (cr, gc1,
x, y + height - 1, x + width - 1, y + height - 1);
if (style->xthickness > 0)
_cairo_draw_line (cr, gc1,
x + width - 1, y, x + width - 1, y + height - 1);
if (style->ythickness > 1)
_cairo_draw_line (cr, &style->bg[state_type],
x + 1, y + height - 2, x + width - 2, y + height - 2);
if (style->xthickness > 1)
_cairo_draw_line (cr, &style->bg[state_type],
x + width - 2, y + 1, x + width - 2, y + height - 2);
/* Dark around left and top */
if (style->ythickness > 1)
_cairo_draw_line (cr, &style->black,
x + 1, y + 1, x + width - 2, y + 1);
if (style->xthickness > 1)
_cairo_draw_line (cr, &style->black,
x + 1, y + 1, x + 1, y + height - 2);
if (style->ythickness > 0)
_cairo_draw_line (cr, gc2,
x, y, x + width - 1, y);
if (style->xthickness > 0)
_cairo_draw_line (cr, 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)
{
_cairo_draw_line (cr, gc1,
x + 1, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &style->black,
x, y + height - 1, x + width - 1, y + height - 1);
}
else
{
_cairo_draw_line (cr, gc1,
x + 1, y + height - 1, x + width - 1, y + height - 1);
}
}
if (style->xthickness > 0)
{
if (style->xthickness > 1)
{
_cairo_draw_line (cr, gc1,
x + width - 2, y + 1, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &style->black,
x + width - 1, y, x + width - 1, y + height - 1);
}
else
{
_cairo_draw_line (cr, gc1,
x + width - 1, y + 1, x + width - 1, y + height - 1);
}
}
/* Light around top and left */
if (style->ythickness > 0)
_cairo_draw_line (cr, gc2,
x, y, x + width - 2, y);
if (style->xthickness > 0)
_cairo_draw_line (cr, gc2,
x, y, x, y + height - 2);
if (style->ythickness > 1)
_cairo_draw_line (cr, &style->bg[state_type],
x + 1, y + 1, x + width - 3, y + 1);
if (style->xthickness > 1)
_cairo_draw_line (cr, &style->bg[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++)
{
_cairo_draw_line (cr, gc1,
x + width - i - 1,
y + i,
x + width - i - 1,
y + height - i - 1);
_cairo_draw_line (cr, gc2,
x + i,
y + i,
x + i,
y + height - i - 2);
}
for (i = 0; i < thickness_light; i++)
{
_cairo_draw_line (cr, gc1,
x + thickness_dark + i,
y + thickness_dark + i,
x + thickness_dark + i,
y + height - thickness_dark - i - 1);
_cairo_draw_line (cr, gc2,
x + width - thickness_light - i - 1,
y + thickness_dark + i,
x + width - thickness_light - i - 1,
y + height - thickness_light - 1);
}
}
else
{
_cairo_draw_line (cr,
&style->dark[state_type],
x, y, x, y + height);
_cairo_draw_line (cr,
&style->dark[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++)
{
_cairo_draw_line (cr, gc1,
x + i,
y + height - i - 1,
x + width - i - 1,
y + height - i - 1);
_cairo_draw_line (cr, gc2,
x + i,
y + i,
x + width - i - 2,
y + i);
}
for (i = 0; i < thickness_light; i++)
{
_cairo_draw_line (cr, gc1,
x + thickness_dark + i,
y + thickness_dark + i,
x + width - thickness_dark - i - 2,
y + thickness_dark + i);
_cairo_draw_line (cr, gc2,
x + thickness_dark + i,
y + height - thickness_light - i - 1,
x + width - thickness_light - 1,
y + height - thickness_light - i - 1);
}
}
else
{
_cairo_draw_line (cr,
&style->dark[state_type],
x, y, x + width, y);
_cairo_draw_line (cr,
&style->dark[state_type],
x, y + height, x + width, y + height);
}
}
break;
}
if (shadow_type == GTK_SHADOW_IN &&
GTK_IS_SPIN_BUTTON (widget) &&
detail && strcmp (detail, "entry") == 0)
{
if (get_direction (widget) == GTK_TEXT_DIR_LTR)
{
_cairo_draw_line (cr,
&style->base[state_type],
x + width - 1, y + 2,
x + width - 1, y + height - 3);
_cairo_draw_line (cr,
&style->base[state_type],
x + width - 2, y + 2,
x + width - 2, y + height - 3);
/* draw point */
_cairo_draw_point (cr,
&style->black,
x + width - 1, y + 1);
_cairo_draw_point (cr,
&style->bg[state_type],
x + width - 1, y + height - 2);
}
else
{
_cairo_draw_line (cr,
&style->base[state_type],
x, y + 2,
x, y + height - 3);
_cairo_draw_line (cr,
&style->base[state_type],
x + 1, y + 2,
x + 1, y + height - 3);
_cairo_draw_point (cr,
&style->black,
x, y + 1);
_cairo_draw_line (cr,
&style->bg[state_type],
x, y + height - 2,
x + 1, y + height - 2);
_cairo_draw_point (cr,
&style->light[state_type],
x, y + height - 1);
}
}
cairo_destroy (cr);
}
static void
draw_arrow (cairo_t *cr,
GdkColor *color,
GtkArrowType arrow_type,
gint x,
gint y,
gint width,
gint height)
{
gdk_cairo_set_source_color (cr, color);
cairo_save (cr);
if (arrow_type == GTK_ARROW_DOWN)
{
cairo_move_to (cr, x, y);
cairo_line_to (cr, x + width, y);
cairo_line_to (cr, x + width / 2., y + height);
}
else if (arrow_type == GTK_ARROW_UP)
{
cairo_move_to (cr, x, y + height);
cairo_line_to (cr, x + width / 2., y);
cairo_line_to (cr, x + width, y + height);
}
else if (arrow_type == GTK_ARROW_LEFT)
{
cairo_move_to (cr, x + width, y);
cairo_line_to (cr, x + width, y + height);
cairo_line_to (cr, x, y + height / 2.);
}
else if (arrow_type == GTK_ARROW_RIGHT)
{
cairo_move_to (cr, x, y);
cairo_line_to (cr, x + width, y + height / 2.);
cairo_line_to (cr, x, y + height);
}
cairo_close_path (cr);
cairo_fill (cr);
cairo_restore (cr);
}
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)
{
cairo_t *cr;
sanitize_size (window, &width, &height);
calculate_arrow_geometry (arrow_type, &x, &y, &width, &height);
if (detail && strcmp (detail, "menu_scroll_arrow_up") == 0)
y++;
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
if (state == GTK_STATE_INSENSITIVE)
draw_arrow (cr, &style->white, arrow_type,
x + 1, y + 1, width, height);
draw_arrow (cr, &style->fg[state], arrow_type,
x, y, width, height);
cairo_destroy (cr);
}
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;
GdkColor *outer_nw = NULL;
GdkColor *outer_ne = NULL;
GdkColor *outer_sw = NULL;
GdkColor *outer_se = NULL;
GdkColor *middle_nw = NULL;
GdkColor *middle_ne = NULL;
GdkColor *middle_sw = NULL;
GdkColor *middle_se = NULL;
GdkColor *inner_nw = NULL;
GdkColor *inner_ne = NULL;
GdkColor *inner_sw = NULL;
GdkColor *inner_se = NULL;
cairo_t *cr;
sanitize_size (window, &width, &height);
half_width = width / 2;
half_height = height / 2;
switch (shadow_type)
{
case GTK_SHADOW_IN:
inner_sw = inner_se = &style->bg[state_type];
middle_sw = middle_se = &style->light[state_type];
outer_sw = outer_se = &style->light[state_type];
inner_nw = inner_ne = &style->black;
middle_nw = middle_ne = &style->dark[state_type];
outer_nw = outer_ne = &style->dark[state_type];
break;
case GTK_SHADOW_OUT:
inner_sw = inner_se = &style->dark[state_type];
middle_sw = middle_se = &style->dark[state_type];
outer_sw = outer_se = &style->black;
inner_nw = inner_ne = &style->bg[state_type];
middle_nw = middle_ne = &style->light[state_type];
outer_nw = outer_ne = &style->light[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
inner_sw = inner_se = &style->bg[state_type];
middle_sw = middle_se = &style->dark[state_type];
outer_sw = outer_se = &style->light[state_type];
inner_nw = inner_ne = &style->bg[state_type];
middle_nw = middle_ne = &style->light[state_type];
outer_nw = outer_ne = &style->dark[state_type];
break;
case GTK_SHADOW_ETCHED_OUT:
inner_sw = inner_se = &style->bg[state_type];
middle_sw = middle_se = &style->light[state_type];
outer_sw = outer_se = &style->dark[state_type];
inner_nw = inner_ne = &style->bg[state_type];
middle_nw = middle_ne = &style->dark[state_type];
outer_nw = outer_ne = &style->light[state_type];
break;
default:
break;
}
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
if (inner_sw)
{
_cairo_draw_line (cr, inner_sw,
x + 2, y + half_height,
x + half_width, y + height - 2);
_cairo_draw_line (cr, inner_se,
x + half_width, y + height - 2,
x + width - 2, y + half_height);
_cairo_draw_line (cr, middle_sw,
x + 1, y + half_height,
x + half_width, y + height - 1);
_cairo_draw_line (cr, middle_se,
x + half_width, y + height - 1,
x + width - 1, y + half_height);
_cairo_draw_line (cr, outer_sw,
x, y + half_height,
x + half_width, y + height);
_cairo_draw_line (cr, outer_se,
x + half_width, y + height,
x + width, y + half_height);
_cairo_draw_line (cr, inner_nw,
x + 2, y + half_height,
x + half_width, y + 2);
_cairo_draw_line (cr, inner_ne,
x + half_width, y + 2,
x + width - 2, y + half_height);
_cairo_draw_line (cr, middle_nw,
x + 1, y + half_height,
x + half_width, y + 1);
_cairo_draw_line (cr, middle_ne,
x + half_width, y + 1,
x + width - 1, y + half_height);
_cairo_draw_line (cr, outer_nw,
x, y + half_height,
x + half_width, y);
_cairo_draw_line (cr, outer_ne,
x + half_width, y,
x + width, y + half_height);
}
cairo_destroy (cr);
}
static void
option_menu_get_props (GtkWidget *widget,
GtkRequisition *indicator_size,
GtkBorder *indicator_spacing)
{
GtkRequisition *tmp_size = NULL;
GtkBorder *tmp_spacing = NULL;
if (tmp_size)
{
*indicator_size = *tmp_size;
gtk_requisition_free (tmp_size);
}
else
*indicator_size = default_option_indicator_size;
if (tmp_spacing)
{
*indicator_spacing = *tmp_spacing;
gtk_border_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;
sanitize_size (window, &width, &height);
if (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))
{
cairo_t *cr;
GdkColor *gc = &style->bg[state_type];
cr = gdk_cairo_create (window);
if (state_type == GTK_STATE_SELECTED && detail && strcmp (detail, "paned") == 0)
{
if (widget && !gtk_widget_has_focus (widget))
gc = &style->base[GTK_STATE_ACTIVE];
}
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
_cairo_draw_rectangle (cr, gc, TRUE,
x, y, width, height);
cairo_destroy (cr);
}
else
gtk_style_apply_default_background (style, window,
widget && gtk_widget_get_has_window (widget),
state_type, area, x, y, width, height);
if (is_spinbutton_box)
{
cairo_t *cr;
GdkColor *upper;
GdkColor *lower;
cr = gdk_cairo_create (window);
lower = &style->dark[state_type];
if (shadow_type == GTK_SHADOW_OUT)
upper = &style->light[state_type];
else
upper = &style->dark[state_type];
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
_cairo_draw_line (cr, upper, x, y, x + width - 1, y);
_cairo_draw_line (cr, lower, x, y + height - 1, x + width - 1, y + height - 1);
cairo_destroy (cr);
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 GdkColor *
get_darkened (const GdkColor *color,
gint darken_count)
{
GdkColor src = *color;
GdkColor shaded = *color;
while (darken_count)
{
_gtk_style_shade (&src, &shaded, 0.93);
src = shaded;
--darken_count;
}
return gdk_color_copy (&shaded);
}
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)
{
GdkColor *gc1;
GdkColor *freeme = NULL;
sanitize_size (window, &width, &height);
if (detail)
{
int trimmed_len = strlen (detail);
if (g_str_has_prefix (detail, "cell_"))
{
if (g_str_has_suffix (detail, "_start"))
trimmed_len -= 6;
else if (g_str_has_suffix (detail, "_middle"))
trimmed_len -= 7;
else if (g_str_has_suffix (detail, "_end"))
trimmed_len -= 4;
}
if (state_type == GTK_STATE_SELECTED)
{
if (!strcmp ("text", detail))
gc1 = &style->bg[GTK_STATE_SELECTED];
else if (!strncmp ("cell_even", detail, trimmed_len) ||
!strncmp ("cell_odd", detail, trimmed_len) ||
!strncmp ("cell_even_ruled", detail, trimmed_len) ||
!strncmp ("cell_even_ruled_sorted", detail, trimmed_len))
{
/* This has to be really broken; alex made me do it. -jrb */
if (widget && gtk_widget_has_focus (widget))
gc1 = &style->base[state_type];
else
gc1 = &style->base[GTK_STATE_ACTIVE];
}
else if (!strncmp ("cell_odd_ruled", detail, trimmed_len) ||
!strncmp ("cell_odd_ruled_sorted", detail, trimmed_len))
{
if (widget && gtk_widget_has_focus (widget))
freeme = get_darkened (&style->base[state_type], 1);
else
freeme = get_darkened (&style->base[GTK_STATE_ACTIVE], 1);
gc1 = freeme;
}
else
{
gc1 = &style->bg[state_type];
}
}
else
{
if (!strcmp ("viewportbin", detail))
gc1 = &style->bg[GTK_STATE_NORMAL];
else if (!strcmp ("entry_bg", detail))
gc1 = &style->base[gtk_widget_get_state (widget)];
/* 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 (!strncmp ("cell_even", detail, trimmed_len) ||
!strncmp ("cell_odd", detail, trimmed_len) ||
!strncmp ("cell_even_ruled", detail, trimmed_len))
{
GdkColor *color = NULL;
gtk_widget_style_get (widget,
"even-row-color", &color,
NULL);
if (color)
{
freeme = get_darkened (color, 0);
gc1 = freeme;
gdk_color_free (color);
}
else
gc1 = &style->base[state_type];
}
else if (!strncmp ("cell_odd_ruled", detail, trimmed_len))
{
GdkColor *color = NULL;
gtk_widget_style_get (widget,
"odd-row-color", &color,
NULL);
if (color)
{
freeme = get_darkened (color, 0);
gc1 = freeme;
gdk_color_free (color);
}
else
{
gtk_widget_style_get (widget,
"even-row-color", &color,
NULL);
if (color)
{
freeme = get_darkened (color, 1);
gdk_color_free (color);
}
else
freeme = get_darkened (&style->base[state_type], 1);
gc1 = freeme;
}
}
else if (!strncmp ("cell_even_sorted", detail, trimmed_len) ||
!strncmp ("cell_odd_sorted", detail, trimmed_len) ||
!strncmp ("cell_even_ruled_sorted", detail, trimmed_len))
{
GdkColor *color = NULL;
if (!strncmp ("cell_odd_sorted", detail, trimmed_len))
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 (color, 1);
gc1 = freeme;
gdk_color_free (color);
}
else
{
freeme = get_darkened (&style->base[state_type], 1);
gc1 = freeme;
}
}
else if (!strncmp ("cell_odd_ruled_sorted", detail, trimmed_len))
{
GdkColor *color = NULL;
gtk_widget_style_get (widget,
"odd-row-color", &color,
NULL);
if (color)
{
freeme = get_darkened (color, 1);
gc1 = freeme;
gdk_color_free (color);
}
else
{
gtk_widget_style_get (widget,
"even-row-color", &color,
NULL);
if (color)
{
freeme = get_darkened (color, 2);
gdk_color_free (color);
}
else
freeme = get_darkened (&style->base[state_type], 2);
gc1 = freeme;
}
}
else
gc1 = &style->bg[state_type];
}
}
else
gc1 = &style->bg[state_type];
if (!style->bg_pixmap[state_type] || gc1 != &style->bg[state_type] ||
GDK_IS_PIXMAP (window))
{
cairo_t *cr;
cr = gdk_cairo_create (window);
cairo_set_line_width (cr, 1.0);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
_cairo_draw_rectangle (cr, gc1, TRUE,
x, y, width, height);
if (detail && !strcmp ("tooltip", detail))
_cairo_draw_rectangle (cr, &style->black, FALSE,
x, y, width - 1, height - 1);
cairo_destroy (cr);
}
else
gtk_style_apply_default_background (style, window,
widget && gtk_widget_get_has_window (widget),
state_type, area, x, y, width, height);
if (freeme)
gdk_color_free (freeme);
}
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)
{
cairo_t *cr = gdk_cairo_create (window);
enum { BUTTON, MENU, CELL } type = BUTTON;
int exterior_size;
int interior_size;
int pad;
if (detail)
{
if (strcmp (detail, "cellcheck") == 0)
type = CELL;
else if (strcmp (detail, "check") == 0)
type = MENU;
}
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
exterior_size = MIN (width, height);
if (exterior_size % 2 == 0) /* Ensure odd */
exterior_size -= 1;
pad = style->xthickness + MAX (1, (exterior_size - 2 * style->xthickness) / 9);
interior_size = MAX (1, exterior_size - 2 * pad);
if (interior_size < 7)
{
interior_size = 7;
pad = MAX (0, (exterior_size - interior_size) / 2);
}
x -= (1 + exterior_size - width) / 2;
y -= (1 + exterior_size - height) / 2;
switch (type)
{
case BUTTON:
case CELL:
if (type == BUTTON)
gdk_cairo_set_source_color (cr, &style->fg[state_type]);
else
gdk_cairo_set_source_color (cr, &style->text[state_type]);
cairo_set_line_width (cr, 1.0);
cairo_rectangle (cr, x + 0.5, y + 0.5, exterior_size - 1, exterior_size - 1);
cairo_stroke (cr);
gdk_cairo_set_source_color (cr, &style->base[state_type]);
cairo_rectangle (cr, x + 1, y + 1, exterior_size - 2, exterior_size - 2);
cairo_fill (cr);
break;
case MENU:
break;
}
switch (type)
{
case BUTTON:
case CELL:
gdk_cairo_set_source_color (cr, &style->text[state_type]);
break;
case MENU:
gdk_cairo_set_source_color (cr, &style->fg[state_type]);
break;
}
if (shadow_type == GTK_SHADOW_IN)
{
cairo_translate (cr,
x + pad, y + pad);
cairo_scale (cr, interior_size / 7., interior_size / 7.);
cairo_move_to (cr, 7.0, 0.0);
cairo_line_to (cr, 7.5, 1.0);
cairo_curve_to (cr, 5.3, 2.0,
4.3, 4.0,
3.5, 7.0);
cairo_curve_to (cr, 3.0, 5.7,
1.3, 4.7,
0.0, 4.7);
cairo_line_to (cr, 0.2, 3.5);
cairo_curve_to (cr, 1.1, 3.5,
2.3, 4.3,
3.0, 5.0);
cairo_curve_to (cr, 1.0, 3.9,
2.4, 4.1,
3.2, 4.9);
cairo_curve_to (cr, 3.5, 3.1,
5.2, 2.0,
7.0, 0.0);
cairo_fill (cr);
}
else if (shadow_type == GTK_SHADOW_ETCHED_IN) /* inconsistent */
{
int line_thickness = MAX (1, (3 + interior_size * 2) / 7);
cairo_rectangle (cr,
x + pad,
y + pad + (1 + interior_size - line_thickness) / 2,
interior_size,
line_thickness);
cairo_fill (cr);
}
cairo_destroy (cr);
}
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)
{
cairo_t *cr = gdk_cairo_create (window);
enum { BUTTON, MENU, CELL } type = BUTTON;
int exterior_size;
if (detail)
{
if (strcmp (detail, "radio") == 0)
type = CELL;
else if (strcmp (detail, "option") == 0)
type = MENU;
}
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
exterior_size = MIN (width, height);
if (exterior_size % 2 == 0) /* Ensure odd */
exterior_size -= 1;
x -= (1 + exterior_size - width) / 2;
y -= (1 + exterior_size - height) / 2;
switch (type)
{
case BUTTON:
case CELL:
gdk_cairo_set_source_color (cr, &style->base[state_type]);
cairo_arc (cr,
x + exterior_size / 2.,
y + exterior_size / 2.,
(exterior_size - 1) / 2.,
0, 2 * G_PI);
cairo_fill_preserve (cr);
if (type == BUTTON)
gdk_cairo_set_source_color (cr, &style->fg[state_type]);
else
gdk_cairo_set_source_color (cr, &style->text[state_type]);
cairo_set_line_width (cr, 1.);
cairo_stroke (cr);
break;
case MENU:
break;
}
switch (type)
{
case BUTTON:
gdk_cairo_set_source_color (cr, &style->text[state_type]);
break;
case CELL:
break;
case MENU:
gdk_cairo_set_source_color (cr, &style->fg[state_type]);
break;
}
if (shadow_type == GTK_SHADOW_IN)
{
int pad = style->xthickness + MAX (1, 2 * (exterior_size - 2 * style->xthickness) / 9);
int interior_size = MAX (1, exterior_size - 2 * pad);
if (interior_size < 5)
{
interior_size = 7;
pad = MAX (0, (exterior_size - interior_size) / 2);
}
cairo_arc (cr,
x + pad + interior_size / 2.,
y + pad + interior_size / 2.,
interior_size / 2.,
0, 2 * G_PI);
cairo_fill (cr);
}
else if (shadow_type == GTK_SHADOW_ETCHED_IN) /* inconsistent */
{
int pad = style->xthickness + MAX (1, (exterior_size - 2 * style->xthickness) / 9);
int interior_size = MAX (1, exterior_size - 2 * pad);
int line_thickness;
if (interior_size < 7)
{
interior_size = 7;
pad = MAX (0, (exterior_size - interior_size) / 2);
}
line_thickness = MAX (1, (3 + interior_size * 2) / 7);
cairo_rectangle (cr,
x + pad,
y + pad + (interior_size - line_thickness) / 2.,
interior_size,
line_thickness);
cairo_fill (cr);
}
cairo_destroy (cr);
}
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
cairo_t *cr;
GtkRequisition indicator_size;
GtkBorder indicator_spacing;
gint arrow_height;
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
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 (cr, &style->white,
GTK_ARROW_UP, x + 1, y + 1,
indicator_size.width, arrow_height);
draw_arrow (cr, &style->white,
GTK_ARROW_DOWN, x + 1, y + arrow_height + ARROW_SPACE + 1,
indicator_size.width, arrow_height);
}
draw_arrow (cr, &style->fg[state_type],
GTK_ARROW_UP, x, y,
indicator_size.width, arrow_height);
draw_arrow (cr, &style->fg[state_type],
GTK_ARROW_DOWN, x, y + arrow_height + ARROW_SPACE,
indicator_size.width, arrow_height);
cairo_destroy (cr);
}
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)
{
GdkColor *color1 = NULL;
GdkColor *color2 = NULL;
GdkColor *color3 = NULL;
GdkColor *color4 = NULL;
cairo_t *cr;
sanitize_size (window, &width, &height);
switch (shadow_type)
{
case GTK_SHADOW_NONE:
default:
return;
case GTK_SHADOW_IN:
color1 = &style->dark[state_type];
color2 = &style->black;
color3 = &style->bg[state_type];
color4 = &style->light[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
color1 = &style->dark[state_type];
color2 = &style->light[state_type];
color3 = &style->dark[state_type];
color4 = &style->light[state_type];
break;
case GTK_SHADOW_OUT:
color1 = &style->light[state_type];
color2 = &style->bg[state_type];
color3 = &style->dark[state_type];
color4 = &style->black;
break;
case GTK_SHADOW_ETCHED_OUT:
color1 = &style->light[state_type];
color2 = &style->dark[state_type];
color3 = &style->light[state_type];
color4 = &style->dark[state_type];
break;
}
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
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:
_cairo_draw_line (cr, color1,
x, y, x, y + height - 1);
_cairo_draw_line (cr, color2,
x + 1, y, x + 1, y + height - 2);
_cairo_draw_line (cr, color3,
x + 1, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, color3,
x + width - 2, y, x + width - 2, y + height - 2);
_cairo_draw_line (cr, color4,
x, y + height - 1, x + width - 1, y + height - 1);
_cairo_draw_line (cr, color4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, color1,
x, y, x + gap_x - 1, y);
_cairo_draw_line (cr, color2,
x + 1, y + 1, x + gap_x - 1, y + 1);
_cairo_draw_line (cr, color2,
x + gap_x, y, x + gap_x, y);
}
if ((width - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, color1,
x + gap_x + gap_width, y, x + width - 2, y);
_cairo_draw_line (cr, color2,
x + gap_x + gap_width, y + 1, x + width - 3, y + 1);
_cairo_draw_line (cr, color2,
x + gap_x + gap_width - 1, y, x + gap_x + gap_width - 1, y);
}
break;
case GTK_POS_BOTTOM:
_cairo_draw_line (cr, color1,
x, y, x + width - 1, y);
_cairo_draw_line (cr, color1,
x, y, x, y + height - 1);
_cairo_draw_line (cr, color2,
x + 1, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, color2,
x + 1, y + 1, x + 1, y + height - 1);
_cairo_draw_line (cr, color3,
x + width - 2, y + 1, x + width - 2, y + height - 1);
_cairo_draw_line (cr, color4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, color4,
x, y + height - 1, x + gap_x - 1, y + height - 1);
_cairo_draw_line (cr, color3,
x + 1, y + height - 2, x + gap_x - 1, y + height - 2);
_cairo_draw_line (cr, color3,
x + gap_x, y + height - 1, x + gap_x, y + height - 1);
}
if ((width - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, color4,
x + gap_x + gap_width, y + height - 1, x + width - 2, y + height - 1);
_cairo_draw_line (cr, color3,
x + gap_x + gap_width, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, color3,
x + gap_x + gap_width - 1, y + height - 1, x + gap_x + gap_width - 1, y + height - 1);
}
break;
case GTK_POS_LEFT:
_cairo_draw_line (cr, color1,
x, y, x + width - 1, y);
_cairo_draw_line (cr, color2,
x, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, color3,
x, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, color3,
x + width - 2, y + 1, x + width - 2, y + height - 2);
_cairo_draw_line (cr, color4,
x, y + height - 1, x + width - 1, y + height - 1);
_cairo_draw_line (cr, color4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, color1,
x, y, x, y + gap_x - 1);
_cairo_draw_line (cr, color2,
x + 1, y + 1, x + 1, y + gap_x - 1);
_cairo_draw_line (cr, color2,
x, y + gap_x, x, y + gap_x);
}
if ((width - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, color1,
x, y + gap_x + gap_width, x, y + height - 2);
_cairo_draw_line (cr, color2,
x + 1, y + gap_x + gap_width, x + 1, y + height - 2);
_cairo_draw_line (cr, color2,
x, y + gap_x + gap_width - 1, x, y + gap_x + gap_width - 1);
}
break;
case GTK_POS_RIGHT:
_cairo_draw_line (cr, color1,
x, y, x + width - 1, y);
_cairo_draw_line (cr, color1,
x, y, x, y + height - 1);
_cairo_draw_line (cr, color2,
x + 1, y + 1, x + width - 1, y + 1);
_cairo_draw_line (cr, color2,
x + 1, y + 1, x + 1, y + height - 2);
_cairo_draw_line (cr, color3,
x + 1, y + height - 2, x + width - 1, y + height - 2);
_cairo_draw_line (cr, color4,
x, y + height - 1, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, color4,
x + width - 1, y, x + width - 1, y + gap_x - 1);
_cairo_draw_line (cr, color3,
x + width - 2, y + 1, x + width - 2, y + gap_x - 1);
_cairo_draw_line (cr, color3,
x + width - 1, y + gap_x, x + width - 1, y + gap_x);
}
if ((width - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, color4,
x + width - 1, y + gap_x + gap_width, x + width - 1, y + height - 2);
_cairo_draw_line (cr, color3,
x + width - 2, y + gap_x + gap_width, x + width - 2, y + height - 2);
_cairo_draw_line (cr, color3,
x + width - 1, y + gap_x + gap_width - 1, x + width - 1, y + gap_x + gap_width - 1);
}
break;
}
}
cairo_destroy (cr);
}
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)
{
cairo_t *cr;
GdkColor color1;
GdkColor color2;
GdkColor color3;
GdkColor color4;
sanitize_size (window, &width, &height);
gtk_style_apply_default_background (style, window,
widget && gtk_widget_get_has_window (widget),
state_type, area, x, y, width, height);
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
cairo_destroy (cr);
return;
case GTK_SHADOW_IN:
color1 = style->dark[state_type];
color2 = style->black;
color3 = style->bg[state_type];
color4 = style->light[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
color1 = style->dark[state_type];
color2 = style->light[state_type];
color3 = style->dark[state_type];
color4 = style->light[state_type];
break;
case GTK_SHADOW_OUT:
color1 = style->light[state_type];
color2 = style->bg[state_type];
color3 = style->dark[state_type];
color4 = style->black;
break;
case GTK_SHADOW_ETCHED_OUT:
color1 = style->light[state_type];
color2 = style->dark[state_type];
color3 = style->light[state_type];
color4 = style->dark[state_type];
break;
}
cairo_set_line_width (cr, 1.0);
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:
_cairo_draw_line (cr, &color1,
x, y, x, y + height - 1);
_cairo_draw_line (cr, &color2,
x + 1, y, x + 1, y + height - 2);
_cairo_draw_line (cr, &color3,
x + 1, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color3,
x + width - 2, y, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color4,
x, y + height - 1, x + width - 1, y + height - 1);
_cairo_draw_line (cr, &color4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, &color1,
x, y, x + gap_x - 1, y);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + gap_x - 1, y + 1);
_cairo_draw_line (cr, &color2,
x + gap_x, y, x + gap_x, y);
}
if ((width - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, &color1,
x + gap_x + gap_width, y, x + width - 2, y);
_cairo_draw_line (cr, &color2,
x + gap_x + gap_width, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, &color2,
x + gap_x + gap_width - 1, y, x + gap_x + gap_width - 1, y);
}
break;
case GTK_POS_BOTTOM:
_cairo_draw_line (cr, &color1,
x, y, x + width - 1, y);
_cairo_draw_line (cr, &color1,
x, y, x, y + height - 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + 1, y + height - 1);
_cairo_draw_line (cr, &color3,
x + width - 2, y + 1, x + width - 2, y + height - 1);
_cairo_draw_line (cr, &color4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, &color4,
x, y + height - 1, x + gap_x - 1, y + height - 1);
_cairo_draw_line (cr, &color3,
x + 1, y + height - 2, x + gap_x - 1, y + height - 2);
_cairo_draw_line (cr, &color3,
x + gap_x, y + height - 1, x + gap_x, y + height - 1);
}
if ((width - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, &color4,
x + gap_x + gap_width, y + height - 1, x + width - 2, y + height - 1);
_cairo_draw_line (cr, &color3,
x + gap_x + gap_width, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color3,
x + gap_x + gap_width - 1, y + height - 1, x + gap_x + gap_width - 1, y + height - 1);
}
break;
case GTK_POS_LEFT:
_cairo_draw_line (cr, &color1,
x, y, x + width - 1, y);
_cairo_draw_line (cr, &color2,
x, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, &color3,
x, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color3,
x + width - 2, y + 1, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color4,
x, y + height - 1, x + width - 1, y + height - 1);
_cairo_draw_line (cr, &color4,
x + width - 1, y, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, &color1,
x, y, x, y + gap_x - 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + 1, y + gap_x - 1);
_cairo_draw_line (cr, &color2,
x, y + gap_x, x, y + gap_x);
}
if ((height - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, &color1,
x, y + gap_x + gap_width, x, y + height - 2);
_cairo_draw_line (cr, &color2,
x + 1, y + gap_x + gap_width, x + 1, y + height - 2);
_cairo_draw_line (cr, &color2,
x, y + gap_x + gap_width - 1, x, y + gap_x + gap_width - 1);
}
break;
case GTK_POS_RIGHT:
_cairo_draw_line (cr, &color1,
x, y, x + width - 1, y);
_cairo_draw_line (cr, &color1,
x, y, x, y + height - 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + width - 1, y + 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + 1, y + height - 2);
_cairo_draw_line (cr, &color3,
x + 1, y + height - 2, x + width - 1, y + height - 2);
_cairo_draw_line (cr, &color4,
x, y + height - 1, x + width - 1, y + height - 1);
if (gap_x > 0)
{
_cairo_draw_line (cr, &color4,
x + width - 1, y, x + width - 1, y + gap_x - 1);
_cairo_draw_line (cr, &color3,
x + width - 2, y + 1, x + width - 2, y + gap_x - 1);
_cairo_draw_line (cr, &color3,
x + width - 1, y + gap_x, x + width - 1, y + gap_x);
}
if ((height - (gap_x + gap_width)) > 0)
{
_cairo_draw_line (cr, &color4,
x + width - 1, y + gap_x + gap_width, x + width - 1, y + height - 2);
_cairo_draw_line (cr, &color3,
x + width - 2, y + gap_x + gap_width, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color3,
x + width - 1, y + gap_x + gap_width - 1, x + width - 1, y + gap_x + gap_width - 1);
}
break;
}
}
cairo_destroy (cr);
}
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)
{
cairo_t *cr;
GdkColor color1;
GdkColor color2;
GdkColor color3;
GdkColor color4;
sanitize_size (window, &width, &height);
switch (gap_side)
{
case GTK_POS_TOP:
gtk_style_apply_default_background (style, window,
widget && gtk_widget_get_has_window (widget),
state_type, area,
x + 1,
y,
width - 2,
height - 1);
break;
case GTK_POS_BOTTOM:
gtk_style_apply_default_background (style, window,
widget && gtk_widget_get_has_window (widget),
state_type, area,
x + 1,
y + 1,
width - 2,
height - 1);
break;
case GTK_POS_LEFT:
gtk_style_apply_default_background (style, window,
widget && gtk_widget_get_has_window (widget),
state_type, area,
x,
y + 1,
width - 1,
height - 2);
break;
case GTK_POS_RIGHT:
gtk_style_apply_default_background (style, window,
widget && gtk_widget_get_has_window (widget),
state_type, area,
x + 1,
y + 1,
width - 1,
height - 2);
break;
}
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
switch (shadow_type)
{
case GTK_SHADOW_NONE:
cairo_destroy (cr);
return;
case GTK_SHADOW_IN:
color1 = style->dark[state_type];
color2 = style->black;
color3 = style->bg[state_type];
color4 = style->light[state_type];
break;
case GTK_SHADOW_ETCHED_IN:
color1 = style->dark[state_type];
color2 = style->light[state_type];
color3 = style->dark[state_type];
color4 = style->light[state_type];
break;
case GTK_SHADOW_OUT:
color1 = style->light[state_type];
color2 = style->bg[state_type];
color3 = style->dark[state_type];
color4 = style->black;
break;
case GTK_SHADOW_ETCHED_OUT:
color1 = style->light[state_type];
color2 = style->dark[state_type];
color3 = style->light[state_type];
color4 = style->dark[state_type];
break;
}
cairo_set_line_width (cr, 1.0);
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:
_cairo_draw_line (cr, &color1,
x, y, x, y + height - 2);
_cairo_draw_line (cr, &color2,
x + 1, y, x + 1, y + height - 2);
_cairo_draw_line (cr, &color3,
x + 2, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color3,
x + width - 2, y, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color4,
x + 1, y + height - 1, x + width - 2, y + height - 1);
_cairo_draw_line (cr, &color4,
x + width - 1, y, x + width - 1, y + height - 2);
break;
case GTK_POS_BOTTOM:
_cairo_draw_line (cr, &color1,
x + 1, y, x + width - 2, y);
_cairo_draw_line (cr, &color1,
x, y + 1, x, y + height - 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + 1, y + height - 1);
_cairo_draw_line (cr, &color3,
x + width - 2, y + 2, x + width - 2, y + height - 1);
_cairo_draw_line (cr, &color4,
x + width - 1, y + 1, x + width - 1, y + height - 1);
break;
case GTK_POS_LEFT:
_cairo_draw_line (cr, &color1,
x, y, x + width - 2, y);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + width - 2, y + 1);
_cairo_draw_line (cr, &color3,
x, y + height - 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color3,
x + width - 2, y + 2, x + width - 2, y + height - 2);
_cairo_draw_line (cr, &color4,
x, y + height - 1, x + width - 2, y + height - 1);
_cairo_draw_line (cr, &color4,
x + width - 1, y + 1, x + width - 1, y + height - 2);
break;
case GTK_POS_RIGHT:
_cairo_draw_line (cr, &color1,
x + 1, y, x + width - 1, y);
_cairo_draw_line (cr, &color1,
x, y + 1, x, y + height - 2);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + width - 1, y + 1);
_cairo_draw_line (cr, &color2,
x + 1, y + 1, x + 1, y + height - 2);
_cairo_draw_line (cr, &color3,
x + 2, y + height - 2, x + width - 1, y + height - 2);
_cairo_draw_line (cr, &color4,
x + 1, y + height - 1, x + width - 1, y + height - 1);
break;
}
}
cairo_destroy (cr);
}
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)
{
cairo_t *cr;
gboolean free_dash_list = FALSE;
gint line_width = 1;
gint8 *dash_list = (gint8 *) "\1\1";
if (widget)
{
gtk_widget_style_get (widget,
"focus-line-width", &line_width,
"focus-line-pattern", (gchar *)&dash_list,
NULL);
free_dash_list = TRUE;
}
if (detail && !strcmp (detail, "add-mode"))
{
if (free_dash_list)
g_free (dash_list);
dash_list = (gint8 *) "\4\4";
free_dash_list = FALSE;
}
sanitize_size (window, &width, &height);
cr = gdk_cairo_create (window);
if (detail && !strcmp (detail, "colorwheel_light"))
cairo_set_source_rgb (cr, 0., 0., 0.);
else if (detail && !strcmp (detail, "colorwheel_dark"))
cairo_set_source_rgb (cr, 1., 1., 1.);
else
gdk_cairo_set_source_color (cr, &style->fg[state_type]);
cairo_set_line_width (cr, line_width);
if (dash_list[0])
{
gint n_dashes = strlen ((const gchar *) dash_list);
gdouble *dashes = g_new (gdouble, n_dashes);
gdouble total_length = 0;
gdouble dash_offset;
gint i;
for (i = 0; i < n_dashes; i++)
{
dashes[i] = dash_list[i];
total_length += dash_list[i];
}
/* The dash offset here aligns the pattern to integer pixels
* by starting the dash at the right side of the left border
* Negative dash offsets in cairo don't work
* (https://bugs.freedesktop.org/show_bug.cgi?id=2729)
*/
dash_offset = - line_width / 2.;
while (dash_offset < 0)
dash_offset += total_length;
cairo_set_dash (cr, dashes, n_dashes, dash_offset);
g_free (dashes);
}
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
cairo_rectangle (cr,
x + line_width / 2.,
y + line_width / 2.,
width - line_width,
height - line_width);
cairo_stroke (cr);
cairo_destroy (cr);
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)
{
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 (cairo_t *cr,
GdkColor *light,
GdkColor *dark,
gint x,
gint y,
gushort size)
{
size = CLAMP (size, 2, 3);
if (size == 2)
{
_cairo_draw_point (cr, light, x, y);
_cairo_draw_point (cr, light, x+1, y+1);
}
else if (size == 3)
{
_cairo_draw_point (cr, light, x, y);
_cairo_draw_point (cr, light, x+1, y);
_cairo_draw_point (cr, light, x, y+1);
_cairo_draw_point (cr, dark, x+1, y+2);
_cairo_draw_point (cr, dark, x+2, y+1);
_cairo_draw_point (cr, dark, 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;
GdkColor light, dark;
cairo_t *cr;
sanitize_size (window, &width, &height);
gtk_paint_box (style, window, state_type, shadow_type, area, widget,
detail, x, y, width, height);
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
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))
_gtk_style_shade (&style->base[GTK_STATE_ACTIVE], &light,
LIGHTNESS_MULT);
else
light = style->light[state_type];
dark = style->black;
}
else
{
xthick = style->xthickness;
ythick = style->ythickness;
light = style->light[state_type];
dark = style->dark[state_type];
}
cairo_rectangle(cr, x + xthick, y + ythick,
width - (xthick * 2), height - (ythick * 2));
cairo_clip (cr);
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 (cr, &light, &dark, xx, y + height/2 - 1, 3);
else
for (yy = y + height/2 - 15; yy <= y + height/2 + 15; yy += 5)
draw_dot (cr, &light, &dark, 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 (cr, &light, &dark, xx, yy, 2);
draw_dot (cr, &light, &dark, xx + 3, yy + 1, 2);
}
}
cairo_destroy (cr);
}
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)
{
#define DEFAULT_EXPANDER_SIZE 12
gint expander_size;
gint line_width;
double vertical_overshoot;
int diameter;
double radius;
double interp; /* interpolation factor for center position */
double x_double_horz, y_double_horz;
double x_double_vert, y_double_vert;
double x_double, y_double;
gint degrees = 0;
cairo_t *cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
if (widget &&
gtk_widget_class_find_style_property (GTK_WIDGET_GET_CLASS (widget),
"expander-size"))
{
gtk_widget_style_get (widget,
"expander-size", &expander_size,
NULL);
}
else
expander_size = DEFAULT_EXPANDER_SIZE;
line_width = MAX (1, expander_size/9);
switch (expander_style)
{
case GTK_EXPANDER_COLLAPSED:
degrees = (get_direction (widget) == GTK_TEXT_DIR_RTL) ? 180 : 0;
interp = 0.0;
break;
case GTK_EXPANDER_SEMI_COLLAPSED:
degrees = (get_direction (widget) == GTK_TEXT_DIR_RTL) ? 150 : 30;
interp = 0.25;
break;
case GTK_EXPANDER_SEMI_EXPANDED:
degrees = (get_direction (widget) == GTK_TEXT_DIR_RTL) ? 120 : 60;
interp = 0.75;
break;
case GTK_EXPANDER_EXPANDED:
degrees = 90;
interp = 1.0;
break;
default:
g_assert_not_reached ();
}
/* Compute distance that the stroke extends beyonds the end
* of the triangle we draw.
*/
vertical_overshoot = line_width / 2.0 * (1. / tan (G_PI / 8));
/* For odd line widths, we end the vertical line of the triangle
* at a half pixel, so we round differently.
*/
if (line_width % 2 == 1)
vertical_overshoot = ceil (0.5 + vertical_overshoot) - 0.5;
else
vertical_overshoot = ceil (vertical_overshoot);
/* Adjust the size of the triangle we draw so that the entire stroke fits
*/
diameter = MAX (3, expander_size - 2 * vertical_overshoot);
/* If the line width is odd, we want the diameter to be even,
* and vice versa, so force the sum to be odd. This relationship
* makes the point of the triangle look right.
*/
diameter -= (1 - (diameter + line_width) % 2);
radius = diameter / 2.;
/* Adjust the center so that the stroke is properly aligned with
* the pixel grid. The center adjustment is different for the
* horizontal and vertical orientations. For intermediate positions
* we interpolate between the two.
*/
x_double_vert = floor (x - (radius + line_width) / 2.) + (radius + line_width) / 2.;
y_double_vert = y - 0.5;
x_double_horz = x - 0.5;
y_double_horz = floor (y - (radius + line_width) / 2.) + (radius + line_width) / 2.;
x_double = x_double_vert * (1 - interp) + x_double_horz * interp;
y_double = y_double_vert * (1 - interp) + y_double_horz * interp;
cairo_translate (cr, x_double, y_double);
cairo_rotate (cr, degrees * G_PI / 180);
cairo_move_to (cr, - radius / 2., - radius);
cairo_line_to (cr, radius / 2., 0);
cairo_line_to (cr, - radius / 2., radius);
cairo_close_path (cr);
cairo_set_line_width (cr, line_width);
if (state_type == GTK_STATE_PRELIGHT)
gdk_cairo_set_source_color (cr,
&style->fg[GTK_STATE_PRELIGHT]);
else if (state_type == GTK_STATE_ACTIVE)
gdk_cairo_set_source_color (cr,
&style->light[GTK_STATE_ACTIVE]);
else
gdk_cairo_set_source_color (cr,
&style->base[GTK_STATE_NORMAL]);
cairo_fill_preserve (cr);
gdk_cairo_set_source_color (cr, &style->fg[state_type]);
cairo_stroke (cr);
cairo_destroy (cr);
}
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)
{
cairo_t *cr;
GdkColor *gc;
const PangoMatrix *matrix;
cr = gdk_cairo_create (window);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
matrix = pango_context_get_matrix (pango_layout_get_context (layout));
if (matrix)
{
cairo_matrix_t cairo_matrix;
PangoMatrix tmp_matrix;
PangoRectangle rect;
cairo_matrix_init (&cairo_matrix,
matrix->xx, matrix->yx,
matrix->xy, matrix->yy,
matrix->x0, matrix->y0);
pango_layout_get_extents (layout, NULL, &rect);
pango_matrix_transform_rectangle (matrix, &rect);
pango_extents_to_pixels (&rect, NULL);
tmp_matrix = *matrix;
cairo_matrix.x0 += x - rect.x;
cairo_matrix.y0 += y - rect.y;
cairo_set_matrix (cr, &cairo_matrix);
}
else
cairo_translate (cr, x, y);
cairo_new_path (cr);
if (state_type == GTK_STATE_INSENSITIVE)
{
gdk_cairo_set_source_color (cr, &style->white);
cairo_move_to (cr, 1, 1);
_gtk_pango_fill_layout (cr, layout);
cairo_new_path (cr);
}
gc = use_text ? &style->text[state_type] : &style->fg[state_type];
gdk_cairo_set_source_color (cr, gc);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
}
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)
{
gint skip;
cairo_t *cr;
cr = gdk_cairo_create (window);
cairo_rectangle (cr, x, y, width, height);
cairo_clip (cr);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
cairo_set_line_width (cr, 1.0);
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 ();
}
switch (edge)
{
case GDK_WINDOW_EDGE_WEST:
case GDK_WINDOW_EDGE_EAST:
{
gint xi;
xi = x;
while (xi < x + width)
{
_cairo_draw_line (cr,
&style->light[state_type],
xi, y,
xi, y + height);
xi++;
_cairo_draw_line (cr,
&style->dark[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)
{
_cairo_draw_line (cr,
&style->light[state_type],
x, yi,
x + width, yi);
yi++;
_cairo_draw_line (cr,
&style->dark[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)
{
_cairo_draw_line (cr,
&style->dark[state_type],
xi, y,
x, yi);
--xi;
--yi;
_cairo_draw_line (cr,
&style->dark[state_type],
xi, y,
x, yi);
--xi;
--yi;
_cairo_draw_line (cr,
&style->light[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))
{
_cairo_draw_line (cr,
&style->light[state_type],
xi, y,
x + width, yi);
++xi;
--yi;
_cairo_draw_line (cr,
&style->dark[state_type],
xi, y,
x + width, yi);
++xi;
--yi;
_cairo_draw_line (cr,
&style->dark[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)
{
_cairo_draw_line (cr,
&style->dark[state_type],
x, yi,
xi, y + height);
--xi;
++yi;
_cairo_draw_line (cr,
&style->dark[state_type],
x, yi,
xi, y + height);
--xi;
++yi;
_cairo_draw_line (cr,
&style->light[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))
{
_cairo_draw_line (cr,
&style->light[state_type],
xi, y + height,
x + width, yi);
++xi;
++yi;
_cairo_draw_line (cr,
&style->dark[state_type],
xi, y + height,
x + width, yi);
++xi;
++yi;
_cairo_draw_line (cr,
&style->dark[state_type],
xi, y + height,
x + width, yi);
xi += 3;
yi += 3;
}
}
break;
default:
g_assert_not_reached ();
break;
}
cairo_destroy (cr);
}
static void
gtk_default_draw_spinner (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
guint step,
gint x,
gint y,
gint width,
gint height)
{
GdkColor *color;
cairo_t *cr;
guint num_steps;
gdouble dx, dy;
gdouble radius;
gdouble half;
gint i;
guint real_step;
gtk_style_get (style, GTK_TYPE_SPINNER,
"num-steps", &num_steps,
NULL);
real_step = step % num_steps;
/* get cairo context */
cr = gdk_cairo_create (window);
/* set a clip region for the expose event */
cairo_rectangle (cr, x, y, width, height);
cairo_clip (cr);
cairo_translate (cr, x, y);
/* draw clip region */
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
color = &style->fg[state_type];
dx = width / 2;
dy = height / 2;
radius = MIN (width / 2, height / 2);
half = num_steps / 2;
for (i = 0; i < num_steps; i++)
{
gint inset = 0.7 * radius;
/* transparency is a function of time and intial value */
gdouble t = (gdouble) ((i + num_steps - real_step)
% num_steps) / num_steps;
cairo_save (cr);
cairo_set_source_rgba (cr,
color->red / 65535.,
color->green / 65535.,
color->blue / 65535.,
t);
cairo_set_line_width (cr, 2.0);
cairo_move_to (cr,
dx + (radius - inset) * cos (i * G_PI / half),
dy + (radius - inset) * sin (i * G_PI / half));
cairo_line_to (cr,
dx + radius * cos (i * G_PI / half),
dy + radius * sin (i * G_PI / half));
cairo_stroke (cr);
cairo_restore (cr);
}
/* free memory */
cairo_destroy (cr);
}
void
_gtk_style_shade (const 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: (allow-none): rectangle to which the output is clipped, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) area, widget, detail,
x1, x2, y);
}
/**
* gtk_paint_vline:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: (allow-none): rectangle to which the output is clipped, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) area, widget, detail,
x, y, width, height);
}
/**
* gtk_paint_arrow:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) area, widget, detail,
x, y, width, height);
}
/**
* gtk_paint_box:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: the type of shadow to draw
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const GdkRectangle *area,
GtkWidget *widget,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const GdkRectangle *area,
GtkWidget *widget,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const GdkRectangle *area,
GtkWidget *widget,
const 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,
(GdkRectangle *) area, widget, detail,
x, y, width, height, gap_side);
}
/**
* gtk_paint_focus:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) area, widget, detail,
x, y, width, height);
}
/**
* gtk_paint_slider:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @shadow_type: a shadow
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @x: the x origin of the rectangle in which to draw a slider
* @y: the y origin of the rectangle in which to draw a slider
* @width: the width of the rectangle in which to draw a slider
* @height: the height of the rectangle in which to draw a slider
* @orientation: the orientation to be used
*
* Draws a slider in the given rectangle on @window using the
* given style and orientation.
**/
void
gtk_paint_slider (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
const 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,
(GdkRectangle *) 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: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) area, widget, detail,
x, y, width, height, orientation);
}
/**
* gtk_paint_expander:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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; determines
* whether the expander is collapsed, expanded, or in an
* intermediate state.
*
* Draws an expander as used in #GtkTreeView. @x and @y specify the
* center the expander. The size of the expander is determined by the
* "expander-size" style property of @widget. (If widget is not
* specified or doesn't have an "expander-size" property, an
* unspecified default size will be used, since the caller doesn't
* have sufficient information to position the expander, this is
* likely not useful.) The expander is expander_size pixels tall
* in the collapsed position and expander_size pixels wide in the
* expanded position.
**/
void
gtk_paint_expander (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
const 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,
(GdkRectangle *) area, widget, detail,
x, y, expander_style);
}
/**
* gtk_paint_layout:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @use_text: whether to use the text or foreground
* graphics context of @style
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @x: x origin
* @y: y origin
* @layout: the layout to draw
*
* Draws a layout on @window using the given parameters.
**/
void
gtk_paint_layout (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
gboolean use_text,
const 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,
(GdkRectangle *) area, widget, detail,
x, y, layout);
}
/**
* gtk_paint_resize_grip:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget
* @detail: (allow-none): a style detail
* @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,
const 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,
(GdkRectangle *) area, widget, detail,
edge, x, y, width, height);
}
/**
* gtk_paint_spinner:
* @style: a #GtkStyle
* @window: a #GdkWindow
* @state_type: a state
* @area: (allow-none): clip rectangle, or %NULL if the
* output should not be clipped
* @widget: (allow-none): the widget (may be %NULL)
* @detail: (allow-none): a style detail (may be %NULL)
* @step: the nth step, a value between 0 and #GtkSpinner:num-steps
* @x: the x origin of the rectangle in which to draw the spinner
* @y: the y origin of the rectangle in which to draw the spinner
* @width: the width of the rectangle in which to draw the spinner
* @height: the height of the rectangle in which to draw the spinner
*
* Draws a spinner on @window using the given parameters.
*
* Since: 2.20
*/
void
gtk_paint_spinner (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
const GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
guint step,
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_spinner != NULL);
g_return_if_fail (style->depth == gdk_drawable_get_depth (window));
GTK_STYLE_GET_CLASS (style)->draw_spinner (style, window, state_type,
(GdkRectangle *)area, widget, detail,
step, x, y, width, height);
}
/**
* gtk_border_new:
*
* Allocates a new #GtkBorder structure and initializes its elements to zero.
*
* Returns: a new empty #GtkBorder. The newly allocated #GtkBorder should be
* freed with gtk_border_free()
*
* Since: 2.14
**/
GtkBorder *
gtk_border_new (void)
{
return g_slice_new0 (GtkBorder);
}
/**
* gtk_border_copy:
* @border_: a #GtkBorder.
* @returns: a copy of @border_.
*
* Copies a #GtkBorder structure.
**/
GtkBorder *
gtk_border_copy (const GtkBorder *border)
{
g_return_val_if_fail (border != NULL, NULL);
return g_slice_dup (GtkBorder, border);
}
/**
* gtk_border_free:
* @border_: a #GtkBorder.
*
* Frees a #GtkBorder structure.
**/
void
gtk_border_free (GtkBorder *border)
{
g_slice_free (GtkBorder, border);
}
G_DEFINE_BOXED_TYPE (GtkBorder, gtk_border,
gtk_border_copy,
gtk_border_free)
typedef struct _CursorInfo CursorInfo;
struct _CursorInfo
{
GType for_type;
GdkColor primary;
GdkColor secondary;
};
static void
style_unrealize_cursors (GtkStyle *style)
{
CursorInfo *
cursor_info = g_object_get_data (G_OBJECT (style), "gtk-style-cursor-info");
if (cursor_info)
{
g_free (cursor_info);
g_object_set_data (G_OBJECT (style), I_("gtk-style-cursor-info"), NULL);
}
}
static const GdkColor *
get_insertion_cursor_color (GtkWidget *widget,
gboolean is_primary)
{
CursorInfo *cursor_info;
GtkStyle *style;
GdkColor *cursor_color;
style = gtk_widget_get_style (widget);
cursor_info = g_object_get_data (G_OBJECT (style), "gtk-style-cursor-info");
if (!cursor_info)
{
cursor_info = g_new0 (CursorInfo, 1);
g_object_set_data (G_OBJECT (style), I_("gtk-style-cursor-info"), cursor_info);
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);
/* Cursors in text widgets are drawn only in NORMAL state,
* so we can use text[GTK_STATE_NORMAL] as text color here */
gtk_widget_style_get (widget, "cursor-color", &cursor_color, NULL);
if (cursor_color)
{
cursor_info->primary = *cursor_color;
gdk_color_free (cursor_color);
}
else
{
cursor_info->primary = style->text[GTK_STATE_NORMAL];
}
gtk_widget_style_get (widget, "secondary-cursor-color", &cursor_color, NULL);
if (cursor_color)
{
cursor_info->secondary = *cursor_color;
gdk_color_free (cursor_color);
}
else
{
/* text_aa is the average of text and base colors,
* in usual black-on-white case it's grey. */
cursor_info->secondary = style->text_aa[GTK_STATE_NORMAL];
}
}
if (is_primary)
return &cursor_info->primary;
else
return &cursor_info->secondary;
}
void
_gtk_widget_get_cursor_color (GtkWidget *widget,
GdkColor *color)
{
GdkColor *style_color;
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (color != NULL);
gtk_widget_style_get (widget, "cursor-color", &style_color, NULL);
if (style_color)
{
*color = *style_color;
gdk_color_free (style_color);
}
else
*color = gtk_widget_get_style (widget)->text[GTK_STATE_NORMAL];
}
static void
draw_insertion_cursor (GtkWidget *widget,
cairo_t *cr,
const GdkRectangle *location,
GtkTextDirection direction,
gboolean draw_arrow)
{
gint stem_width;
gint arrow_width;
gint x, y;
gfloat cursor_aspect_ratio;
gint offset;
/* When changing the shape or size of the cursor here,
* propagate the changes to gtktextview.c:text_window_invalidate_cursors().
*/
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;
cairo_rectangle (cr,
location->x - offset, location->y,
stem_width, location->height);
cairo_fill (cr);
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;
cairo_move_to (cr, x, y + 1);
cairo_line_to (cr, x - arrow_width, y + arrow_width);
cairo_line_to (cr, x, y + 2 * arrow_width);
cairo_fill (cr);
}
else if (direction == GTK_TEXT_DIR_LTR)
{
x = location->x + stem_width - offset;
y = location->y + location->height - arrow_width * 2 - arrow_width + 1;
cairo_move_to (cr, x, y + 1);
cairo_line_to (cr, x + arrow_width, y + arrow_width);
cairo_line_to (cr, x, y + 2 * arrow_width);
cairo_fill (cr);
}
}
}
/**
* gtk_draw_insertion_cursor:
* @widget: a #GtkWidget
* @drawable: a #GdkDrawable
* @area: (allow-none): 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,
const GdkRectangle *area,
const GdkRectangle *location,
gboolean is_primary,
GtkTextDirection direction,
gboolean draw_arrow)
{
cairo_t *cr;
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);
cr = gdk_cairo_create (drawable);
if (area)
{
gdk_cairo_rectangle (cr, area);
cairo_clip (cr);
}
gdk_cairo_set_source_color (cr, get_insertion_cursor_color (widget, is_primary));
draw_insertion_cursor (widget, cr, location, direction, draw_arrow);
cairo_destroy (cr);
}
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