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gimp/app/widgets/gimpcolorpanel.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdio.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "widgets-types.h"
#ifdef __GNUC__
#warning FIXME #include "gui/gui-types.h"
#endif
#include "gui/gui-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "gui/color-notebook.h"
#include "gimpcolorpanel.h"
#include "gimpitemfactory.h"
struct _GimpColorPanel
{
GimpColorButton parent;
GimpContext *context;
ColorNotebook *color_notebook;
gboolean color_notebook_active;
};
/* local function prototypes */
static void gimp_color_panel_class_init (GimpColorPanelClass *klass);
static void gimp_color_panel_init (GimpColorPanel *panel);
static void gimp_color_panel_destroy (GtkObject *object);
static gboolean gimp_color_panel_button_press (GtkWidget *widget,
GdkEventButton *bevent);
static void gimp_color_panel_color_changed (GimpColorButton *button);
static void gimp_color_panel_clicked (GtkButton *button);
static void gimp_color_panel_select_callback (ColorNotebook *notebook,
const GimpRGB *color,
ColorNotebookState state,
gpointer data);
static GimpColorButtonClass *parent_class = NULL;
GType
gimp_color_panel_get_type (void)
{
static GType panel_type = 0;
if (! panel_type)
{
static const GTypeInfo panel_info =
{
sizeof (GimpColorPanelClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_color_panel_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpColorPanel),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_color_panel_init,
};
panel_type = g_type_register_static (GIMP_TYPE_COLOR_BUTTON,
"GimpColorPanel",
&panel_info, 0);
}
return panel_type;
}
static void
gimp_color_panel_class_init (GimpColorPanelClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkButtonClass *button_class;
GimpColorButtonClass *color_button_class;
object_class = GTK_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
button_class = GTK_BUTTON_CLASS (klass);
color_button_class = GIMP_COLOR_BUTTON_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->destroy = gimp_color_panel_destroy;
widget_class->button_press_event = gimp_color_panel_button_press;
button_class->clicked = gimp_color_panel_clicked;
color_button_class->color_changed = gimp_color_panel_color_changed;
}
static void
gimp_color_panel_init (GimpColorPanel *panel)
{
panel->context = NULL;
panel->color_notebook = NULL;
panel->color_notebook_active = FALSE;
}
static void
gimp_color_panel_destroy (GtkObject *object)
{
GimpColorPanel *panel;
g_return_if_fail (GIMP_IS_COLOR_PANEL (object));
panel = GIMP_COLOR_PANEL (object);
if (panel->color_notebook)
{
color_notebook_hide (panel->color_notebook);
color_notebook_free (panel->color_notebook);
panel->color_notebook = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static gboolean
gimp_color_panel_button_press (GtkWidget *widget,
GdkEventButton *bevent)
{
if (bevent->button == 3)
{
GimpColorButton *color_button;
GimpColorPanel *color_panel;
GimpRGB black, white;
color_button = GIMP_COLOR_BUTTON (widget);
color_panel = GIMP_COLOR_PANEL (widget);
gimp_item_factory_set_visible (color_button->item_factory,
"/Foreground Color",
color_panel->context != NULL);
gimp_item_factory_set_visible (color_button->item_factory,
"/Background Color",
color_panel->context != NULL);
gimp_item_factory_set_visible (color_button->item_factory,
"/fg-bg-separator",
color_panel->context != NULL);
if (color_panel->context)
{
GimpRGB fg, bg;
gimp_context_get_foreground (color_panel->context, &fg);
gimp_context_get_background (color_panel->context, &bg);
gimp_item_factory_set_color (color_button->item_factory,
"/Foreground Color", &fg, FALSE);
gimp_item_factory_set_color (color_button->item_factory,
"/Background Color", &bg, FALSE);
}
gimp_rgba_set (&black, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
gimp_rgba_set (&white, 1.0, 1.0, 1.0, GIMP_OPACITY_OPAQUE);
gimp_item_factory_set_color (color_button->item_factory,
"/Black", &black, FALSE);
gimp_item_factory_set_color (color_button->item_factory,
"/White", &white, FALSE);
}
if (GTK_WIDGET_CLASS (parent_class)->button_press_event)
return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, bevent);
return FALSE;
}
GtkWidget *
gimp_color_panel_new (const gchar *title,
const GimpRGB *color,
GimpColorAreaType type,
gint width,
gint height)
{
GimpColorPanel *panel;
g_return_val_if_fail (title != NULL, NULL);
g_return_val_if_fail (color != NULL, NULL);
panel = g_object_new (GIMP_TYPE_COLOR_PANEL, NULL);
GIMP_COLOR_BUTTON (panel)->title = g_strdup (title);
gimp_color_button_set_type (GIMP_COLOR_BUTTON (panel), type);
gimp_color_button_set_color (GIMP_COLOR_BUTTON (panel), color);
gtk_widget_set_size_request (GTK_WIDGET (panel), width, height);
return GTK_WIDGET (panel);
}
void
gimp_color_panel_set_context (GimpColorPanel *panel,
GimpContext *context)
{
g_return_if_fail (GIMP_IS_COLOR_PANEL (panel));
g_return_if_fail (context == NULL || GIMP_IS_CONTEXT (context));
panel->context = context;
}
static void
gimp_color_panel_color_changed (GimpColorButton *button)
{
GimpColorPanel *panel;
GimpRGB color;
panel = GIMP_COLOR_PANEL (button);
if (panel->color_notebook_active)
{
gimp_color_button_get_color (GIMP_COLOR_BUTTON (button), &color);
color_notebook_set_color (panel->color_notebook, &color);
}
}
static void
gimp_color_panel_clicked (GtkButton *button)
{
GimpColorPanel *panel;
GimpRGB color;
panel = GIMP_COLOR_PANEL (button);
gimp_color_button_get_color (GIMP_COLOR_BUTTON (button), &color);
if (! panel->color_notebook)
{
panel->color_notebook =
color_notebook_new (GIMP_COLOR_BUTTON (button)->title,
(const GimpRGB *) &color,
gimp_color_panel_select_callback,
panel,
FALSE,
gimp_color_button_has_alpha (GIMP_COLOR_BUTTON (button)));
panel->color_notebook_active = TRUE;
}
else
{
if (! panel->color_notebook_active)
{
color_notebook_show (panel->color_notebook);
panel->color_notebook_active = TRUE;
}
color_notebook_set_color (panel->color_notebook, &color);
}
}
static void
gimp_color_panel_select_callback (ColorNotebook *notebook,
const GimpRGB *color,
ColorNotebookState state,
gpointer data)
{
GimpColorPanel *panel;
panel = GIMP_COLOR_PANEL (data);
if (panel->color_notebook)
{
switch (state)
{
case COLOR_NOTEBOOK_UPDATE:
break;
case COLOR_NOTEBOOK_OK:
gimp_color_button_set_color (GIMP_COLOR_BUTTON (panel), color);
/* Fallthrough */
case COLOR_NOTEBOOK_CANCEL:
color_notebook_hide (panel->color_notebook);
panel->color_notebook_active = FALSE;
}
}
}
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