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gimp/libgimpwidgets/gimpcolorselector.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpcolorselector.c
* Copyright (C) 2002 Michael Natterer <mitch@gimp.org>
*
* based on:
* Colour selector module
* Copyright (C) 1999 Austin Donnelly <austin@greenend.org.uk>
*
* 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 3 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, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "gimpwidgetstypes.h"
#include "gimpcolorselector.h"
#include "gimpwidgetsmarshal.h"
/**
* SECTION: gimpcolorselector
* @title: GimpColorSelector
* @short_description: Pluggable GIMP color selector modules.
* @see_also: #GModule, #GTypeModule, #GimpModule
*
* Functions and definitions for creating pluggable GIMP color
* selector modules.
**/
enum
{
COLOR_CHANGED,
CHANNEL_CHANGED,
LAST_SIGNAL
};
static void gimp_color_selector_dispose (GObject *object);
G_DEFINE_TYPE (GimpColorSelector, gimp_color_selector, GTK_TYPE_BOX)
#define parent_class gimp_color_selector_parent_class
static guint selector_signals[LAST_SIGNAL] = { 0 };
static void
gimp_color_selector_class_init (GimpColorSelectorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gimp_color_selector_dispose;
selector_signals[COLOR_CHANGED] =
g_signal_new ("color-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpColorSelectorClass, color_changed),
NULL, NULL,
_gimp_widgets_marshal_VOID__POINTER_POINTER,
G_TYPE_NONE, 2,
G_TYPE_POINTER,
G_TYPE_POINTER);
selector_signals[CHANNEL_CHANGED] =
g_signal_new ("channel-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpColorSelectorClass, channel_changed),
NULL, NULL,
_gimp_widgets_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
klass->name = "Unnamed";
klass->help_id = NULL;
klass->icon_name = "gtk-select-color";
klass->set_toggles_visible = NULL;
klass->set_toggles_sensitive = NULL;
klass->set_show_alpha = NULL;
klass->set_color = NULL;
klass->set_channel = NULL;
klass->color_changed = NULL;
klass->channel_changed = NULL;
klass->set_config = NULL;
}
static void
gimp_color_selector_init (GimpColorSelector *selector)
{
selector->toggles_visible = TRUE;
selector->toggles_sensitive = TRUE;
selector->show_alpha = TRUE;
gtk_orientable_set_orientation (GTK_ORIENTABLE (selector),
GTK_ORIENTATION_VERTICAL);
gimp_rgba_set (&selector->rgb, 0.0, 0.0, 0.0, 1.0);
gimp_rgb_to_hsv (&selector->rgb, &selector->hsv);
selector->channel = GIMP_COLOR_SELECTOR_HUE;
}
static void
gimp_color_selector_dispose (GObject *object)
{
gimp_color_selector_set_config (GIMP_COLOR_SELECTOR (object), NULL);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
GtkWidget *
gimp_color_selector_new (GType selector_type,
const GimpRGB *rgb,
const GimpHSV *hsv,
GimpColorSelectorChannel channel)
{
GimpColorSelector *selector;
g_return_val_if_fail (g_type_is_a (selector_type, GIMP_TYPE_COLOR_SELECTOR),
NULL);
g_return_val_if_fail (rgb != NULL, NULL);
g_return_val_if_fail (hsv != NULL, NULL);
selector = g_object_new (selector_type, NULL);
gimp_color_selector_set_color (selector, rgb, hsv);
gimp_color_selector_set_channel (selector, channel);
return GTK_WIDGET (selector);
}
void
gimp_color_selector_set_toggles_visible (GimpColorSelector *selector,
gboolean visible)
{
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
if (selector->toggles_visible != visible)
{
GimpColorSelectorClass *selector_class;
selector->toggles_visible = visible ? TRUE : FALSE;
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector);
if (selector_class->set_toggles_visible)
selector_class->set_toggles_visible (selector, visible);
}
}
void
gimp_color_selector_set_toggles_sensitive (GimpColorSelector *selector,
gboolean sensitive)
{
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
if (selector->toggles_sensitive != sensitive)
{
GimpColorSelectorClass *selector_class;
selector->toggles_sensitive = sensitive ? TRUE : FALSE;
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector);
if (selector_class->set_toggles_sensitive)
selector_class->set_toggles_sensitive (selector, sensitive);
}
}
void
gimp_color_selector_set_show_alpha (GimpColorSelector *selector,
gboolean show_alpha)
{
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
if (show_alpha != selector->show_alpha)
{
GimpColorSelectorClass *selector_class;
selector->show_alpha = show_alpha ? TRUE : FALSE;
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector);
if (selector_class->set_show_alpha)
selector_class->set_show_alpha (selector, show_alpha);
}
}
void
gimp_color_selector_set_color (GimpColorSelector *selector,
const GimpRGB *rgb,
const GimpHSV *hsv)
{
GimpColorSelectorClass *selector_class;
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
g_return_if_fail (rgb != NULL);
g_return_if_fail (hsv != NULL);
selector->rgb = *rgb;
selector->hsv = *hsv;
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector);
if (selector_class->set_color)
selector_class->set_color (selector, rgb, hsv);
gimp_color_selector_color_changed (selector);
}
void
gimp_color_selector_set_channel (GimpColorSelector *selector,
GimpColorSelectorChannel channel)
{
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
if (channel != selector->channel)
{
GimpColorSelectorClass *selector_class;
selector->channel = channel;
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector);
if (selector_class->set_channel)
selector_class->set_channel (selector, channel);
gimp_color_selector_channel_changed (selector);
}
}
void
gimp_color_selector_color_changed (GimpColorSelector *selector)
{
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
g_signal_emit (selector, selector_signals[COLOR_CHANGED], 0,
&selector->rgb, &selector->hsv);
}
void
gimp_color_selector_channel_changed (GimpColorSelector *selector)
{
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
g_signal_emit (selector, selector_signals[CHANNEL_CHANGED], 0,
selector->channel);
}
/**
* gimp_color_selector_set_config:
* @selector: a #GimpColorSelector widget.
* @config: a #GimpColorConfig object.
*
* Sets the color management configuration to use with this color selector.
*
* Since: GIMP 2.4
*/
void
gimp_color_selector_set_config (GimpColorSelector *selector,
GimpColorConfig *config)
{
GimpColorSelectorClass *selector_class;
g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector));
g_return_if_fail (config == NULL || GIMP_IS_COLOR_CONFIG (config));
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector);
if (selector_class->set_config)
selector_class->set_config (selector, config);
}
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