AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2024-09-30 11:07:38 +00:00
Code Issues Projects Releases Wiki Activity

Modernize and order things as most other objects. Defines at the top,

Browse Source 
2008-06-20  Johan Dahlin  <jdahlin@async.com.br>

    * gtk/gtkcolorsel.c: Modernize and order things as most
    other objects. Defines at the top, class init before init
    before gobject methods before object method before widget
    methods. No changes to the logic done.


svn path=/trunk/; revision=20651
This commit is contained in:
Johan Dahlin 2008-06-20 15:01:31 +00:00 committed by Johan Dahlin
parent 7e374415b6
commit 755a662ff2
2 changed files with 452 additions and 410 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
ChangeLog
View File

@ -1,3 +1,10 @@
2008-06-20 Johan Dahlin <jdahlin@async.com.br>
* gtk/gtkcolorsel.c: Modernize and order things as most
other objects. Defines at the top, class init before init
before gobject methods before object method before widget
methods. No changes to the logic done.
2008-06-20 Martyn Russell <martyn@imendio.com>
* gtk/gtkaccelgroup.c: Don't call g_object_notify() with

855
gtk/gtkcolorsel.c
View File

@ -26,9 +26,10 @@
*/
#include <config.h>
#include "gdkconfig.h"
#include <math.h>
#include <string.h>
#include "gdkconfig.h"
#include "gdk/gdkkeysyms.h"
#include "gtkcolorsel.h"
#include "gtkhsv.h"
@ -60,18 +61,30 @@
#include "gtkintl.h"
#include "gtkalias.h"
#include <string.h>
/* Number of elements in the custom palatte */
#define GTK_CUSTOM_PALETTE_WIDTH 10
#define GTK_CUSTOM_PALETTE_HEIGHT 2
#define CUSTOM_PALETTE_ENTRY_WIDTH 20
#define CUSTOM_PALETTE_ENTRY_HEIGHT 20
/* The cursor for the dropper */
#define DROPPER_WIDTH 17
#define DROPPER_HEIGHT 17
#define DROPPER_X_HOT 2
#define DROPPER_Y_HOT 16
#define SAMPLE_WIDTH 64
#define SAMPLE_HEIGHT 28
#define CHECK_SIZE 16
#define BIG_STEP 20
/* Conversion between 0->1 double and and guint16. See
* scale_round() below for more general conversions
*/
#define SCALE(i) (i / 65535.)
#define UNSCALE(d) ((guint16)(d * 65535 + 0.5))
#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11)
enum {
COLOR_CHANGED,
@ -163,7 +176,7 @@ static gboolean gtk_color_selection_grab_broken (GtkWidget *widget
static void gtk_color_selection_set_palette_color (GtkColorSelection *colorsel,
gint index,
GdkColor *color);
static void set_focus_line_attributes (GtkWidget *drawing_area,
static void set_focus_line_attributes (GtkWidget *drawing_area,
cairo_t *cr,
gint *focus_width);
static void default_noscreen_change_palette_func (const GdkColor *colors,
@ -176,6 +189,46 @@ static void make_control_relations (AtkObject *atk_
static void make_all_relations (AtkObject *atk_obj,
ColorSelectionPrivate *priv);
static void hsv_changed (GtkWidget *hsv,
gpointer data);
static void get_screen_color (GtkWidget *button);
static void adjustment_changed (GtkAdjustment *adjustment,
gpointer data);
static void opacity_entry_changed (GtkWidget *opacity_entry,
gpointer data);
static void hex_changed (GtkWidget *hex_entry,
gpointer data);
static gboolean hex_focus_out (GtkWidget *hex_entry,
GdkEventFocus *event,
gpointer data);
static void color_sample_new (GtkColorSelection *colorsel);
static void make_label_spinbutton (GtkColorSelection *colorsel,
GtkWidget **spinbutton,
gchar *text,
GtkWidget *table,
gint i,
gint j,
gint channel_type,
const gchar *tooltip);
static void make_palette_frame (GtkColorSelection *colorsel,
GtkWidget *table,
gint i,
gint j);
static void set_selected_palette (GtkColorSelection *colorsel,
int x,
int y);
static void set_focus_line_attributes (GtkWidget *drawing_area,
cairo_t *cr,
gint *focus_width);
static gboolean mouse_press (GtkWidget *invisible,
GdkEventButton *event,
gpointer data);
static void palette_change_notify_instance (GObject *object,
GParamSpec *pspec,
gpointer data);
static void update_palette (GtkColorSelection *colorsel);
static void shutdown_eyedropper (GtkWidget *widget);
static guint color_selection_signals[LAST_SIGNAL] = { 0 };
static const gchar default_colors[] = "black:white:gray50:red:purple:blue:light blue:green:yellow:orange:lavender:brown:goldenrod4:dodger blue:pink:light green:gray10:gray30:gray75:gray90";
@ -183,13 +236,6 @@ static const gchar default_colors[] = "black:white:gray50:red:purple:blue:light
static GtkColorSelectionChangePaletteFunc noscreen_change_palette_hook = default_noscreen_change_palette_func;
static GtkColorSelectionChangePaletteWithScreenFunc change_palette_hook = default_change_palette_func;
/* The cursor for the dropper */
#define DROPPER_WIDTH 17
#define DROPPER_HEIGHT 17
#define DROPPER_X_HOT 2
#define DROPPER_Y_HOT 16
static const guchar dropper_bits[] = {
0xff, 0x8f, 0x01, 0xff, 0x77, 0x01, 0xff, 0xfb, 0x00, 0xff, 0xf8, 0x00,
0x7f, 0xff, 0x00, 0xff, 0x7e, 0x01, 0xff, 0x9d, 0x01, 0xff, 0xd8, 0x01,
@ -204,14 +250,399 @@ static const guchar dropper_mask[] = {
0x7c, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x0d, 0x00, 0x00,
0x02, 0x00, 0x00, };
G_DEFINE_TYPE (GtkColorSelection, gtk_color_selection, GTK_TYPE_VBOX)
static void
gtk_color_selection_class_init (GtkColorSelectionClass *klass)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = gtk_color_selection_finalize;
gobject_class->set_property = gtk_color_selection_set_property;
gobject_class->get_property = gtk_color_selection_get_property;
object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = gtk_color_selection_destroy;
widget_class = GTK_WIDGET_CLASS (klass);
widget_class->realize = gtk_color_selection_realize;
widget_class->unrealize = gtk_color_selection_unrealize;
widget_class->show_all = gtk_color_selection_show_all;
widget_class->grab_broken_event = gtk_color_selection_grab_broken;
g_object_class_install_property (gobject_class,
PROP_HAS_OPACITY_CONTROL,
g_param_spec_boolean ("has-opacity-control",
P_("Has Opacity Control"),
P_("Whether the color selector should allow setting opacity"),
FALSE,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_HAS_PALETTE,
g_param_spec_boolean ("has-palette",
P_("Has palette"),
P_("Whether a palette should be used"),
FALSE,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_CURRENT_COLOR,
g_param_spec_boxed ("current-color",
P_("Current Color"),
P_("The current color"),
GDK_TYPE_COLOR,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_CURRENT_ALPHA,
g_param_spec_uint ("current-alpha",
P_("Current Alpha"),
P_("The current opacity value (0 fully transparent, 65535 fully opaque)"),
0, 65535, 65535,
GTK_PARAM_READWRITE));
color_selection_signals[COLOR_CHANGED] =
g_signal_new (I_("color_changed"),
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkColorSelectionClass, color_changed),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gtk_settings_install_property (g_param_spec_string ("gtk-color-palette",
P_("Custom palette"),
P_("Palette to use in the color selector"),
default_colors,
GTK_PARAM_READWRITE));
g_type_class_add_private (gobject_class, sizeof (ColorSelectionPrivate));
}
static void
gtk_color_selection_init (GtkColorSelection *colorsel)
{
GtkWidget *top_hbox;
GtkWidget *top_right_vbox;
GtkWidget *table, *label, *hbox, *frame, *vbox, *button;
GtkAdjustment *adjust;
GtkWidget *picker_image;
gint i, j;
ColorSelectionPrivate *priv;
AtkObject *atk_obj;
GList *focus_chain = NULL;
gtk_widget_push_composite_child ();
priv = colorsel->private_data = G_TYPE_INSTANCE_GET_PRIVATE (colorsel, GTK_TYPE_COLOR_SELECTION, ColorSelectionPrivate);
priv->changing = FALSE;
priv->default_set = FALSE;
priv->default_alpha_set = FALSE;
top_hbox = gtk_hbox_new (FALSE, 12);
gtk_box_pack_start (GTK_BOX (colorsel), top_hbox, FALSE, FALSE, 0);
vbox = gtk_vbox_new (FALSE, 6);
priv->triangle_colorsel = gtk_hsv_new ();
g_signal_connect (priv->triangle_colorsel, "changed",
G_CALLBACK (hsv_changed), colorsel);
gtk_hsv_set_metrics (GTK_HSV (priv->triangle_colorsel), 174, 15);
gtk_box_pack_start (GTK_BOX (top_hbox), vbox, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), priv->triangle_colorsel, FALSE, FALSE, 0);
gtk_widget_set_tooltip_text (priv->triangle_colorsel,
_("Select the color you want from the outer ring. Select the darkness or lightness of that color using the inner triangle."));
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
frame = gtk_frame_new (NULL);
gtk_widget_set_size_request (frame, -1, 30);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
color_sample_new (colorsel);
gtk_container_add (GTK_CONTAINER (frame), priv->sample_area);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
button = gtk_button_new ();
gtk_widget_set_events (button, GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
g_object_set_data (G_OBJECT (button), I_("COLORSEL"), colorsel);
g_signal_connect (button, "clicked",
G_CALLBACK (get_screen_color), NULL);
picker_image = gtk_image_new_from_stock (GTK_STOCK_COLOR_PICKER, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), picker_image);
gtk_widget_show (GTK_WIDGET (picker_image));
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_set_tooltip_text (button,
_("Click the eyedropper, then click a color anywhere on your screen to select that color."));
top_right_vbox = gtk_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (top_hbox), top_right_vbox, FALSE, FALSE, 0);
table = gtk_table_new (8, 6, FALSE);
gtk_box_pack_start (GTK_BOX (top_right_vbox), table, FALSE, FALSE, 0);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_col_spacings (GTK_TABLE (table), 12);
make_label_spinbutton (colorsel, &priv->hue_spinbutton, _("_Hue:"), table, 0, 0, COLORSEL_HUE,
_("Position on the color wheel."));
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (priv->hue_spinbutton), TRUE);
make_label_spinbutton (colorsel, &priv->sat_spinbutton, _("_Saturation:"), table, 0, 1, COLORSEL_SATURATION,
_("\"Deepness\" of the color."));
make_label_spinbutton (colorsel, &priv->val_spinbutton, _("_Value:"), table, 0, 2, COLORSEL_VALUE,
_("Brightness of the color."));
make_label_spinbutton (colorsel, &priv->red_spinbutton, _("_Red:"), table, 6, 0, COLORSEL_RED,
_("Amount of red light in the color."));
make_label_spinbutton (colorsel, &priv->green_spinbutton, _("_Green:"), table, 6, 1, COLORSEL_GREEN,
_("Amount of green light in the color."));
make_label_spinbutton (colorsel, &priv->blue_spinbutton, _("_Blue:"), table, 6, 2, COLORSEL_BLUE,
_("Amount of blue light in the color."));
gtk_table_attach_defaults (GTK_TABLE (table), gtk_hseparator_new (), 0, 8, 3, 4);
priv->opacity_label = gtk_label_new_with_mnemonic (_("Op_acity:"));
gtk_misc_set_alignment (GTK_MISC (priv->opacity_label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_label, 0, 1, 4, 5);
adjust = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 1.0, 0.0));
g_object_set_data (G_OBJECT (adjust), I_("COLORSEL"), colorsel);
priv->opacity_slider = gtk_hscale_new (adjust);
gtk_widget_set_tooltip_text (priv->opacity_slider,
_("Transparency of the color."));
gtk_label_set_mnemonic_widget (GTK_LABEL (priv->opacity_label),
priv->opacity_slider);
gtk_scale_set_draw_value (GTK_SCALE (priv->opacity_slider), FALSE);
g_signal_connect (adjust, "value_changed",
G_CALLBACK (adjustment_changed),
GINT_TO_POINTER (COLORSEL_OPACITY));
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_slider, 1, 7, 4, 5);
priv->opacity_entry = gtk_entry_new ();
gtk_widget_set_tooltip_text (priv->opacity_entry,
_("Transparency of the color."));
gtk_widget_set_size_request (priv->opacity_entry, 40, -1);
g_signal_connect (priv->opacity_entry, "activate",
G_CALLBACK (opacity_entry_changed), colorsel);
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_entry, 7, 8, 4, 5);
label = gtk_label_new_with_mnemonic (_("Color _name:"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 5, 6);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
priv->hex_entry = gtk_entry_new ();
gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->hex_entry);
g_signal_connect (priv->hex_entry, "activate",
G_CALLBACK (hex_changed), colorsel);
g_signal_connect (priv->hex_entry, "focus_out_event",
G_CALLBACK (hex_focus_out), colorsel);
gtk_widget_set_tooltip_text (priv->hex_entry,
_("You can enter an HTML-style hexadecimal color value, or simply a color name such as 'orange' in this entry."));
gtk_entry_set_width_chars (GTK_ENTRY (priv->hex_entry), 7);
gtk_table_attach_defaults (GTK_TABLE (table), priv->hex_entry, 1, 5, 5, 6);
focus_chain = g_list_append (focus_chain, priv->hue_spinbutton);
focus_chain = g_list_append (focus_chain, priv->sat_spinbutton);
focus_chain = g_list_append (focus_chain, priv->val_spinbutton);
focus_chain = g_list_append (focus_chain, priv->red_spinbutton);
focus_chain = g_list_append (focus_chain, priv->green_spinbutton);
focus_chain = g_list_append (focus_chain, priv->blue_spinbutton);
focus_chain = g_list_append (focus_chain, priv->opacity_slider);
focus_chain = g_list_append (focus_chain, priv->opacity_entry);
focus_chain = g_list_append (focus_chain, priv->hex_entry);
gtk_container_set_focus_chain (GTK_CONTAINER (table), focus_chain);
g_list_free (focus_chain);
/* Set up the palette */
table = gtk_table_new (GTK_CUSTOM_PALETTE_HEIGHT, GTK_CUSTOM_PALETTE_WIDTH, TRUE);
gtk_table_set_row_spacings (GTK_TABLE (table), 1);
gtk_table_set_col_spacings (GTK_TABLE (table), 1);
for (i = 0; i < GTK_CUSTOM_PALETTE_WIDTH; i++)
{
for (j = 0; j < GTK_CUSTOM_PALETTE_HEIGHT; j++)
{
make_palette_frame (colorsel, table, i, j);
}
}
set_selected_palette (colorsel, 0, 0);
priv->palette_frame = gtk_vbox_new (FALSE, 6);
label = gtk_label_new_with_mnemonic (_("_Palette:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (priv->palette_frame), label, FALSE, FALSE, 0);
gtk_label_set_mnemonic_widget (GTK_LABEL (label),
priv->custom_palette[0][0]);
gtk_box_pack_end (GTK_BOX (top_right_vbox), priv->palette_frame, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->palette_frame), table, FALSE, FALSE, 0);
gtk_widget_show_all (top_hbox);
/* hide unused stuff */
if (priv->has_opacity == FALSE)
{
gtk_widget_hide (priv->opacity_label);
gtk_widget_hide (priv->opacity_slider);
gtk_widget_hide (priv->opacity_entry);
}
if (priv->has_palette == FALSE)
{
gtk_widget_hide (priv->palette_frame);
}
atk_obj = gtk_widget_get_accessible (priv->triangle_colorsel);
if (GTK_IS_ACCESSIBLE (atk_obj))
{
atk_object_set_name (atk_obj, _("Color Wheel"));
atk_object_set_role (gtk_widget_get_accessible (GTK_WIDGET (colorsel)), ATK_ROLE_COLOR_CHOOSER);
make_all_relations (atk_obj, priv);
}
gtk_widget_pop_composite_child ();
}
/* GObject methods */
static void
gtk_color_selection_finalize (GObject *object)
{
G_OBJECT_CLASS (gtk_color_selection_parent_class)->finalize (object);
}
static void
gtk_color_selection_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (object);
switch (prop_id)
{
case PROP_HAS_OPACITY_CONTROL:
gtk_color_selection_set_has_opacity_control (colorsel,
g_value_get_boolean (value));
break;
case PROP_HAS_PALETTE:
gtk_color_selection_set_has_palette (colorsel,
g_value_get_boolean (value));
break;
case PROP_CURRENT_COLOR:
gtk_color_selection_set_current_color (colorsel, g_value_get_boxed (value));
break;
case PROP_CURRENT_ALPHA:
gtk_color_selection_set_current_alpha (colorsel, g_value_get_uint (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_selection_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (object);
GdkColor color;
switch (prop_id)
{
case PROP_HAS_OPACITY_CONTROL:
g_value_set_boolean (value, gtk_color_selection_get_has_opacity_control (colorsel));
break;
case PROP_HAS_PALETTE:
g_value_set_boolean (value, gtk_color_selection_get_has_palette (colorsel));
break;
case PROP_CURRENT_COLOR:
gtk_color_selection_get_current_color (colorsel, &color);
g_value_set_boxed (value, &color);
break;
case PROP_CURRENT_ALPHA:
g_value_set_uint (value, gtk_color_selection_get_current_alpha (colorsel));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/* GtkObject methods */
static void
gtk_color_selection_destroy (GtkObject *object)
{
GtkColorSelection *cselection = GTK_COLOR_SELECTION (object);
ColorSelectionPrivate *priv = cselection->private_data;
if (priv->dropper_grab_widget)
{
gtk_widget_destroy (priv->dropper_grab_widget);
priv->dropper_grab_widget = NULL;
}
GTK_OBJECT_CLASS (gtk_color_selection_parent_class)->destroy (object);
}
/* GtkWidget methods */
static void
gtk_color_selection_realize (GtkWidget *widget)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (widget);
ColorSelectionPrivate *priv = colorsel->private_data;
GtkSettings *settings = gtk_widget_get_settings (widget);
priv->settings_connection = g_signal_connect (settings,
"notify::gtk-color-palette",
G_CALLBACK (palette_change_notify_instance),
widget);
update_palette (colorsel);
GTK_WIDGET_CLASS (gtk_color_selection_parent_class)->realize (widget);
}
static void
gtk_color_selection_unrealize (GtkWidget *widget)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (widget);
ColorSelectionPrivate *priv = colorsel->private_data;
GtkSettings *settings = gtk_widget_get_settings (widget);
g_signal_handler_disconnect (settings, priv->settings_connection);
GTK_WIDGET_CLASS (gtk_color_selection_parent_class)->unrealize (widget);
}
/* We override show-all since we have internal widgets that
* shouldn't be shown when you call show_all(), like the
* palette and opacity sliders.
*/
static void
gtk_color_selection_show_all (GtkWidget *widget)
{
gtk_widget_show (widget);
}
static gboolean
gtk_color_selection_grab_broken (GtkWidget *widget,
GdkEventGrabBroken *event)
{
shutdown_eyedropper (widget);
return TRUE;
}
/*
*
* The Sample Color
*
*/
#define SAMPLE_WIDTH 64
#define SAMPLE_HEIGHT 28
static void color_sample_draw_sample (GtkColorSelection *colorsel, int which);
static void color_sample_update_samples (GtkColorSelection *colorsel);
@ -403,7 +834,6 @@ color_sample_draw_sample (GtkColorSelection *colorsel, int which)
heig = da->allocation.height;
/* Below needs tweaking for non-power-of-two */
#define CHECK_SIZE 16
if (priv->has_opacity)
{
@ -562,8 +992,6 @@ color_sample_new (GtkColorSelection *colorsel)
* The palette area code
*
*/
#define CUSTOM_PALETTE_ENTRY_WIDTH 20
#define CUSTOM_PALETTE_ENTRY_HEIGHT 20
static void
palette_get_color (GtkWidget *drawing_area, gdouble *color)
@ -589,7 +1017,6 @@ palette_get_color (GtkWidget *drawing_area, gdouble *color)
color[3] = 1.0;
}
#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11)
static void
palette_paint (GtkWidget *drawing_area,
GdkRectangle *area,
@ -1257,15 +1684,6 @@ shutdown_eyedropper (GtkWidget *widget)
}
}
static gboolean
gtk_color_selection_grab_broken (GtkWidget *widget,
GdkEventGrabBroken *event)
{
shutdown_eyedropper (widget);
return TRUE;
}
static void
mouse_motion (GtkWidget *invisible,
GdkEventMotion *event,
@ -1302,12 +1720,6 @@ mouse_release (GtkWidget *invisible,
/* Helper Functions */
static gboolean mouse_press (GtkWidget *invisible,
GdkEventButton *event,
gpointer data);
#define BIG_STEP 20
static gboolean
key_press (GtkWidget *invisible,
GdkEventKey *event,
@ -1814,322 +2226,6 @@ default_change_palette_func (GdkScreen *screen,
g_free (str);
}
G_DEFINE_TYPE (GtkColorSelection, gtk_color_selection, GTK_TYPE_VBOX)
static void
gtk_color_selection_class_init (GtkColorSelectionClass *klass)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (klass);
object_class = GTK_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
object_class->destroy = gtk_color_selection_destroy;
gobject_class->finalize = gtk_color_selection_finalize;
gobject_class->set_property = gtk_color_selection_set_property;
gobject_class->get_property = gtk_color_selection_get_property;
widget_class->realize = gtk_color_selection_realize;
widget_class->unrealize = gtk_color_selection_unrealize;
widget_class->show_all = gtk_color_selection_show_all;
widget_class->grab_broken_event = gtk_color_selection_grab_broken;
g_object_class_install_property (gobject_class,
PROP_HAS_OPACITY_CONTROL,
g_param_spec_boolean ("has-opacity-control",
P_("Has Opacity Control"),
P_("Whether the color selector should allow setting opacity"),
FALSE,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_HAS_PALETTE,
g_param_spec_boolean ("has-palette",
P_("Has palette"),
P_("Whether a palette should be used"),
FALSE,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_CURRENT_COLOR,
g_param_spec_boxed ("current-color",
P_("Current Color"),
P_("The current color"),
GDK_TYPE_COLOR,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_CURRENT_ALPHA,
g_param_spec_uint ("current-alpha",
P_("Current Alpha"),
P_("The current opacity value (0 fully transparent, 65535 fully opaque)"),
0, 65535, 65535,
GTK_PARAM_READWRITE));
color_selection_signals[COLOR_CHANGED] =
g_signal_new (I_("color_changed"),
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkColorSelectionClass, color_changed),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gtk_settings_install_property (g_param_spec_string ("gtk-color-palette",
P_("Custom palette"),
P_("Palette to use in the color selector"),
default_colors,
GTK_PARAM_READWRITE));
g_type_class_add_private (gobject_class, sizeof (ColorSelectionPrivate));
}
/* widget functions */
static void
gtk_color_selection_init (GtkColorSelection *colorsel)
{
GtkWidget *top_hbox;
GtkWidget *top_right_vbox;
GtkWidget *table, *label, *hbox, *frame, *vbox, *button;
GtkAdjustment *adjust;
GtkWidget *picker_image;
gint i, j;
ColorSelectionPrivate *priv;
AtkObject *atk_obj;
GList *focus_chain = NULL;
gtk_widget_push_composite_child ();
priv = colorsel->private_data = G_TYPE_INSTANCE_GET_PRIVATE (colorsel, GTK_TYPE_COLOR_SELECTION, ColorSelectionPrivate);
priv->changing = FALSE;
priv->default_set = FALSE;
priv->default_alpha_set = FALSE;
top_hbox = gtk_hbox_new (FALSE, 12);
gtk_box_pack_start (GTK_BOX (colorsel), top_hbox, FALSE, FALSE, 0);
vbox = gtk_vbox_new (FALSE, 6);
priv->triangle_colorsel = gtk_hsv_new ();
g_signal_connect (priv->triangle_colorsel, "changed",
G_CALLBACK (hsv_changed), colorsel);
gtk_hsv_set_metrics (GTK_HSV (priv->triangle_colorsel), 174, 15);
gtk_box_pack_start (GTK_BOX (top_hbox), vbox, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), priv->triangle_colorsel, FALSE, FALSE, 0);
gtk_widget_set_tooltip_text (priv->triangle_colorsel,
_("Select the color you want from the outer ring. Select the darkness or lightness of that color using the inner triangle."));
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
frame = gtk_frame_new (NULL);
gtk_widget_set_size_request (frame, -1, 30);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
color_sample_new (colorsel);
gtk_container_add (GTK_CONTAINER (frame), priv->sample_area);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
button = gtk_button_new ();
gtk_widget_set_events (button, GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
g_object_set_data (G_OBJECT (button), I_("COLORSEL"), colorsel);
g_signal_connect (button, "clicked",
G_CALLBACK (get_screen_color), NULL);
picker_image = gtk_image_new_from_stock (GTK_STOCK_COLOR_PICKER, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), picker_image);
gtk_widget_show (GTK_WIDGET (picker_image));
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_set_tooltip_text (button,
_("Click the eyedropper, then click a color anywhere on your screen to select that color."));
top_right_vbox = gtk_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (top_hbox), top_right_vbox, FALSE, FALSE, 0);
table = gtk_table_new (8, 6, FALSE);
gtk_box_pack_start (GTK_BOX (top_right_vbox), table, FALSE, FALSE, 0);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_col_spacings (GTK_TABLE (table), 12);
make_label_spinbutton (colorsel, &priv->hue_spinbutton, _("_Hue:"), table, 0, 0, COLORSEL_HUE,
_("Position on the color wheel."));
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (priv->hue_spinbutton), TRUE);
make_label_spinbutton (colorsel, &priv->sat_spinbutton, _("_Saturation:"), table, 0, 1, COLORSEL_SATURATION,
_("\"Deepness\" of the color."));
make_label_spinbutton (colorsel, &priv->val_spinbutton, _("_Value:"), table, 0, 2, COLORSEL_VALUE,
_("Brightness of the color."));
make_label_spinbutton (colorsel, &priv->red_spinbutton, _("_Red:"), table, 6, 0, COLORSEL_RED,
_("Amount of red light in the color."));
make_label_spinbutton (colorsel, &priv->green_spinbutton, _("_Green:"), table, 6, 1, COLORSEL_GREEN,
_("Amount of green light in the color."));
make_label_spinbutton (colorsel, &priv->blue_spinbutton, _("_Blue:"), table, 6, 2, COLORSEL_BLUE,
_("Amount of blue light in the color."));
gtk_table_attach_defaults (GTK_TABLE (table), gtk_hseparator_new (), 0, 8, 3, 4);
priv->opacity_label = gtk_label_new_with_mnemonic (_("Op_acity:"));
gtk_misc_set_alignment (GTK_MISC (priv->opacity_label), 0.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_label, 0, 1, 4, 5);
adjust = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 1.0, 0.0));
g_object_set_data (G_OBJECT (adjust), I_("COLORSEL"), colorsel);
priv->opacity_slider = gtk_hscale_new (adjust);
gtk_widget_set_tooltip_text (priv->opacity_slider,
_("Transparency of the color."));
gtk_label_set_mnemonic_widget (GTK_LABEL (priv->opacity_label),
priv->opacity_slider);
gtk_scale_set_draw_value (GTK_SCALE (priv->opacity_slider), FALSE);
g_signal_connect (adjust, "value_changed",
G_CALLBACK (adjustment_changed),
GINT_TO_POINTER (COLORSEL_OPACITY));
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_slider, 1, 7, 4, 5);
priv->opacity_entry = gtk_entry_new ();
gtk_widget_set_tooltip_text (priv->opacity_entry,
_("Transparency of the color."));
gtk_widget_set_size_request (priv->opacity_entry, 40, -1);
g_signal_connect (priv->opacity_entry, "activate",
G_CALLBACK (opacity_entry_changed), colorsel);
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_entry, 7, 8, 4, 5);
label = gtk_label_new_with_mnemonic (_("Color _name:"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 5, 6);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
priv->hex_entry = gtk_entry_new ();
gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->hex_entry);
g_signal_connect (priv->hex_entry, "activate",
G_CALLBACK (hex_changed), colorsel);
g_signal_connect (priv->hex_entry, "focus_out_event",
G_CALLBACK (hex_focus_out), colorsel);
gtk_widget_set_tooltip_text (priv->hex_entry,
_("You can enter an HTML-style hexadecimal color value, or simply a color name such as 'orange' in this entry."));
gtk_entry_set_width_chars (GTK_ENTRY (priv->hex_entry), 7);
gtk_table_attach_defaults (GTK_TABLE (table), priv->hex_entry, 1, 5, 5, 6);
focus_chain = g_list_append (focus_chain, priv->hue_spinbutton);
focus_chain = g_list_append (focus_chain, priv->sat_spinbutton);
focus_chain = g_list_append (focus_chain, priv->val_spinbutton);
focus_chain = g_list_append (focus_chain, priv->red_spinbutton);
focus_chain = g_list_append (focus_chain, priv->green_spinbutton);
focus_chain = g_list_append (focus_chain, priv->blue_spinbutton);
focus_chain = g_list_append (focus_chain, priv->opacity_slider);
focus_chain = g_list_append (focus_chain, priv->opacity_entry);
focus_chain = g_list_append (focus_chain, priv->hex_entry);
gtk_container_set_focus_chain (GTK_CONTAINER (table), focus_chain);
g_list_free (focus_chain);
/* Set up the palette */
table = gtk_table_new (GTK_CUSTOM_PALETTE_HEIGHT, GTK_CUSTOM_PALETTE_WIDTH, TRUE);
gtk_table_set_row_spacings (GTK_TABLE (table), 1);
gtk_table_set_col_spacings (GTK_TABLE (table), 1);
for (i = 0; i < GTK_CUSTOM_PALETTE_WIDTH; i++)
{
for (j = 0; j < GTK_CUSTOM_PALETTE_HEIGHT; j++)
{
make_palette_frame (colorsel, table, i, j);
}
}
set_selected_palette (colorsel, 0, 0);
priv->palette_frame = gtk_vbox_new (FALSE, 6);
label = gtk_label_new_with_mnemonic (_("_Palette:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (priv->palette_frame), label, FALSE, FALSE, 0);
gtk_label_set_mnemonic_widget (GTK_LABEL (label),
priv->custom_palette[0][0]);
gtk_box_pack_end (GTK_BOX (top_right_vbox), priv->palette_frame, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->palette_frame), table, FALSE, FALSE, 0);
gtk_widget_show_all (top_hbox);
/* hide unused stuff */
if (priv->has_opacity == FALSE)
{
gtk_widget_hide (priv->opacity_label);
gtk_widget_hide (priv->opacity_slider);
gtk_widget_hide (priv->opacity_entry);
}
if (priv->has_palette == FALSE)
{
gtk_widget_hide (priv->palette_frame);
}
atk_obj = gtk_widget_get_accessible (priv->triangle_colorsel);
if (GTK_IS_ACCESSIBLE (atk_obj))
{
atk_object_set_name (atk_obj, _("Color Wheel"));
atk_object_set_role (gtk_widget_get_accessible (GTK_WIDGET (colorsel)), ATK_ROLE_COLOR_CHOOSER);
make_all_relations (atk_obj, priv);
}
gtk_widget_pop_composite_child ();
}
static void
gtk_color_selection_destroy (GtkObject *object)
{
GtkColorSelection *cselection = GTK_COLOR_SELECTION (object);
ColorSelectionPrivate *priv = cselection->private_data;
if (priv->dropper_grab_widget)
{
gtk_widget_destroy (priv->dropper_grab_widget);
priv->dropper_grab_widget = NULL;
}
GTK_OBJECT_CLASS (gtk_color_selection_parent_class)->destroy (object);
}
static void
gtk_color_selection_finalize (GObject *object)
{
G_OBJECT_CLASS (gtk_color_selection_parent_class)->finalize (object);
}
static void
gtk_color_selection_realize (GtkWidget *widget)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (widget);
ColorSelectionPrivate *priv = colorsel->private_data;
GtkSettings *settings = gtk_widget_get_settings (widget);
priv->settings_connection = g_signal_connect (settings,
"notify::gtk-color-palette",
G_CALLBACK (palette_change_notify_instance),
widget);
update_palette (colorsel);
GTK_WIDGET_CLASS (gtk_color_selection_parent_class)->realize (widget);
}
static void
gtk_color_selection_unrealize (GtkWidget *widget)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (widget);
ColorSelectionPrivate *priv = colorsel->private_data;
GtkSettings *settings = gtk_widget_get_settings (widget);
g_signal_handler_disconnect (settings, priv->settings_connection);
GTK_WIDGET_CLASS (gtk_color_selection_parent_class)->unrealize (widget);
}
/* We override show-all since we have internal widgets that
* shouldn't be shown when you call show_all(), like the
* palette and opacity sliders.
*/
static void
gtk_color_selection_show_all (GtkWidget *widget)
{
gtk_widget_show (widget);
}
/**
* gtk_color_selection_new:
*
@ -2585,67 +2681,6 @@ gtk_color_selection_is_adjusting (GtkColorSelection *colorsel)
return (gtk_hsv_is_adjusting (GTK_HSV (priv->triangle_colorsel)));
}
static void
gtk_color_selection_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (object);
switch (prop_id)
{
case PROP_HAS_OPACITY_CONTROL:
gtk_color_selection_set_has_opacity_control (colorsel,
g_value_get_boolean (value));
break;
case PROP_HAS_PALETTE:
gtk_color_selection_set_has_palette (colorsel,
g_value_get_boolean (value));
break;
case PROP_CURRENT_COLOR:
gtk_color_selection_set_current_color (colorsel, g_value_get_boxed (value));
break;
case PROP_CURRENT_ALPHA:
gtk_color_selection_set_current_alpha (colorsel, g_value_get_uint (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_color_selection_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkColorSelection *colorsel = GTK_COLOR_SELECTION (object);
GdkColor color;
switch (prop_id)
{
case PROP_HAS_OPACITY_CONTROL:
g_value_set_boolean (value, gtk_color_selection_get_has_opacity_control (colorsel));
break;
case PROP_HAS_PALETTE:
g_value_set_boolean (value, gtk_color_selection_get_has_palette (colorsel));
break;
case PROP_CURRENT_COLOR:
gtk_color_selection_get_current_color (colorsel, &color);
g_value_set_boxed (value, &color);
break;
case PROP_CURRENT_ALPHA:
g_value_set_uint (value, gtk_color_selection_get_current_alpha (colorsel));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/**
* gtk_color_selection_palette_from_string: