forked from AuroraMiddleware/gtk
139 lines
3.9 KiB
C
139 lines
3.9 KiB
C
/* GTK - The GIMP Toolkit
|
|
*
|
|
* Copyright (C) 2012, Red Hat, Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gtkcolorchooser.h"
|
|
#include "gtkcolorchooserprivate.h"
|
|
#include "gtkintl.h"
|
|
#include "gtktypebuiltins.h"
|
|
#include "gtkprivate.h"
|
|
|
|
enum
|
|
{
|
|
COLOR_ACTIVATED,
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
static guint signals[LAST_SIGNAL];
|
|
|
|
G_DEFINE_INTERFACE (GtkColorChooser, gtk_color_chooser, G_TYPE_OBJECT);
|
|
|
|
static void
|
|
gtk_color_chooser_default_init (GtkColorChooserInterface *iface)
|
|
{
|
|
g_object_interface_install_property (iface,
|
|
g_param_spec_boxed ("color",
|
|
P_("Color"),
|
|
P_("Current color, as a GdkRGBA"),
|
|
GDK_TYPE_RGBA,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_interface_install_property (iface,
|
|
g_param_spec_boolean ("show-alpha",
|
|
P_("Show alpha"),
|
|
P_("Whether alpha should be shown"),
|
|
TRUE,
|
|
GTK_PARAM_READWRITE));
|
|
/**
|
|
* GtkColorChooser::color-activated:
|
|
* @self: the object which received the signal
|
|
* @color: the color
|
|
*
|
|
* Emitted when a color is activated from the color chooser.
|
|
* This usually happens when the user clicks a color swatch,
|
|
* or a color is selected and the user presses one of the keys
|
|
* Space, Shift+Space, Return or Enter.
|
|
*/
|
|
signals[COLOR_ACTIVATED] =
|
|
g_signal_new ("color-activated",
|
|
GTK_TYPE_COLOR_CHOOSER,
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET (GtkColorChooserInterface, color_activated),
|
|
NULL, NULL,
|
|
NULL,
|
|
G_TYPE_NONE,
|
|
1, G_TYPE_STRING);
|
|
}
|
|
|
|
/**
|
|
* gtk_color_chooser_get_color:
|
|
* @chooser: a #GtkColorChooser
|
|
* @color: return location for the color
|
|
*
|
|
* Gets the currently-selected color.
|
|
*/
|
|
void
|
|
gtk_color_chooser_get_color (GtkColorChooser *chooser,
|
|
GdkRGBA *color)
|
|
{
|
|
g_return_if_fail (GTK_IS_COLOR_CHOOSER (chooser));
|
|
|
|
GTK_COLOR_CHOOSER_GET_IFACE (chooser)->get_color (chooser, color);
|
|
}
|
|
|
|
/**
|
|
* gtk_color_chooser_set_color:
|
|
* @chooser: a #GtkColorChooser
|
|
* @color: the new color
|
|
*
|
|
* Sets the currently-selected color.
|
|
*/
|
|
void
|
|
gtk_color_chooser_set_color (GtkColorChooser *chooser,
|
|
const GdkRGBA *color)
|
|
{
|
|
g_return_if_fail (GTK_IS_COLOR_CHOOSER (chooser));
|
|
g_return_if_fail (color != NULL);
|
|
|
|
GTK_COLOR_CHOOSER_GET_IFACE (chooser)->set_color (chooser, color);
|
|
}
|
|
|
|
void
|
|
_gtk_color_chooser_color_activated (GtkColorChooser *chooser,
|
|
const GdkRGBA *color)
|
|
{
|
|
g_return_if_fail (GTK_IS_COLOR_CHOOSER (chooser));
|
|
|
|
g_signal_emit (chooser, signals[COLOR_ACTIVATED], 0, color);
|
|
}
|
|
|
|
gboolean
|
|
gtk_color_chooser_get_show_alpha (GtkColorChooser *chooser)
|
|
{
|
|
gboolean show_alpha;
|
|
|
|
g_return_val_if_fail (GTK_IS_COLOR_CHOOSER (chooser), TRUE);
|
|
|
|
g_object_get (chooser, "show-alpha", &show_alpha, NULL);
|
|
|
|
return show_alpha;
|
|
}
|
|
|
|
void
|
|
gtk_color_chooser_set_show_alpha (GtkColorChooser *chooser,
|
|
gboolean show_alpha)
|
|
{
|
|
|
|
g_return_if_fail (GTK_IS_COLOR_CHOOSER (chooser));
|
|
|
|
g_object_set (chooser, "show-alpha", show_alpha, NULL);
|
|
}
|