gimp/app/color_panel.c

221 lines
5.7 KiB
C

/* 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 "apptypes.h"
#include "appenv.h"
#include "color_panel.h"
#include "color_notebook.h"
struct _GimpColorPanel
{
GimpColorButton parent;
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 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;
GtkType
gimp_color_panel_get_type (void)
{
static guint panel_type = 0;
if (!panel_type)
{
GtkTypeInfo panel_info =
{
"GimpColorPanel",
sizeof (GimpColorPanel),
sizeof (GimpColorPanelClass),
(GtkClassInitFunc) gimp_color_panel_class_init,
(GtkObjectInitFunc) gimp_color_panel_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL
};
panel_type = gtk_type_unique (GIMP_TYPE_COLOR_BUTTON, &panel_info);
}
return panel_type;
}
static void
gimp_color_panel_class_init (GimpColorPanelClass *klass)
{
GtkObjectClass *object_class;
GtkButtonClass *button_class;
GimpColorButtonClass *color_button_class;
object_class = (GtkObjectClass *) klass;
button_class = (GtkButtonClass *) klass;
color_button_class = (GimpColorButtonClass *) klass;
parent_class = gtk_type_class (GIMP_TYPE_COLOR_BUTTON);
object_class->destroy = gimp_color_panel_destroy;
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->color_notebook = NULL;
panel->color_notebook_active = FALSE;
}
static void
gimp_color_panel_destroy (GtkObject *object)
{
GimpColorPanel *panel;
g_return_if_fail (object != NULL);
g_return_if_fail (GIMP_IS_COLOR_PANEL (object));
panel = GIMP_COLOR_PANEL (object);
/* make sure we hide and free color_notebook */
if (panel->color_notebook)
{
color_notebook_hide (panel->color_notebook);
color_notebook_free (panel->color_notebook);
}
if (GTK_OBJECT_CLASS (parent_class)->destroy)
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
GtkWidget *
gimp_color_panel_new (const gchar *title,
const GimpRGB *color,
GimpColorAreaType type,
gint width,
gint height)
{
GimpColorPanel *panel;
g_return_val_if_fail (color != NULL, NULL);
panel = gtk_type_new (GIMP_TYPE_COLOR_PANEL);
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_usize (GTK_WIDGET (panel), width, height);
return GTK_WIDGET (panel);
}
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;
}
}
}