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gimp/libgimpwidgets/gimpcolornotebook.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpcolornotebook.c
* Copyright (C) 2002 Michael Natterer <mitch@gimp.org>
*
* based on color_notebook module
* Copyright (C) 1998 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 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
* Library 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 <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "gimpwidgetstypes.h"
#include "gimpcolornotebook.h"
#include "gimpcolorscales.h"
#include "gimpwidgetsmarshal.h"
static void gimp_color_notebook_class_init (GimpColorNotebookClass *klass);
static void gimp_color_notebook_init (GimpColorNotebook *notebook);
static void gimp_color_notebook_finalize (GObject *object);
static void gimp_color_notebook_togg_visible (GimpColorSelector *selector,
gboolean visible);
static void gimp_color_notebook_togg_sensitive (GimpColorSelector *selector,
gboolean sensitive);
static void gimp_color_notebook_set_show_alpha (GimpColorSelector *selector,
gboolean show_alpha);
static void gimp_color_notebook_set_color (GimpColorSelector *selector,
const GimpRGB *rgb,
const GimpHSV *hsv);
static void gimp_color_notebook_set_channel (GimpColorSelector *selector,
GimpColorSelectorChannel channel);
static void gimp_color_notebook_switch_page (GtkNotebook *gtk_notebook,
GtkNotebookPage *page,
guint page_num,
GimpColorNotebook *notebook);
static void gimp_color_notebook_color_changed (GimpColorSelector *page,
const GimpRGB *rgb,
const GimpHSV *hsv,
GimpColorNotebook *notebook);
static void gimp_color_notebook_channel_changed (GimpColorSelector *page,
GimpColorSelectorChannel channel,
GimpColorNotebook *notebook);
static GimpColorSelectorClass *parent_class = NULL;
GType
gimp_color_notebook_get_type (void)
{
static GType notebook_type = 0;
if (! notebook_type)
{
static const GTypeInfo notebook_info =
{
sizeof (GimpColorNotebookClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_color_notebook_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpColorNotebook),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_color_notebook_init,
};
notebook_type = g_type_register_static (GIMP_TYPE_COLOR_SELECTOR,
"GimpColorNotebook",
&notebook_info, 0);
}
return notebook_type;
}
static void
gimp_color_notebook_class_init (GimpColorNotebookClass *klass)
{
GObjectClass *object_class;
GimpColorSelectorClass *selector_class;
object_class = G_OBJECT_CLASS (klass);
selector_class = GIMP_COLOR_SELECTOR_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gimp_color_notebook_finalize;
selector_class->name = "Notebook";
selector_class->help_page = "notebook.html";
selector_class->set_toggles_visible = gimp_color_notebook_togg_visible;
selector_class->set_toggles_sensitive = gimp_color_notebook_togg_sensitive;
selector_class->set_show_alpha = gimp_color_notebook_set_show_alpha;
selector_class->set_color = gimp_color_notebook_set_color;
selector_class->set_channel = gimp_color_notebook_set_channel;
}
static void
gimp_color_notebook_init (GimpColorNotebook *notebook)
{
GimpColorSelector *selector;
GtkWidget *page;
GtkWidget *label;
GType *selector_types;
gint n_selector_types;
gint i;
selector = GIMP_COLOR_SELECTOR (notebook);
notebook->notebook = gtk_notebook_new ();
gtk_box_pack_start (GTK_BOX (notebook), notebook->notebook, TRUE, TRUE, 0);
gtk_widget_show (notebook->notebook);
g_signal_connect (notebook->notebook, "switch_page",
G_CALLBACK (gimp_color_notebook_switch_page),
notebook);
selector_types = g_type_children (GIMP_TYPE_COLOR_SELECTOR, &n_selector_types);
if (n_selector_types == 2)
{
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook->notebook), FALSE);
gtk_notebook_set_show_border (GTK_NOTEBOOK (notebook->notebook), FALSE);
}
for (i = 0; i < n_selector_types; i++)
{
/* skip ourselves */
if (g_type_is_a (selector_types[i], GIMP_TYPE_COLOR_NOTEBOOK))
continue;
/* skip the "Scales" color selector */
if (g_type_is_a (selector_types[i], GIMP_TYPE_COLOR_SCALES))
continue;
page = gimp_color_selector_new (selector_types[i],
&selector->rgb,
&selector->hsv,
selector->channel);
if (! page)
continue;
gimp_color_selector_set_show_alpha (GIMP_COLOR_SELECTOR (page), FALSE);
label = gtk_label_new_with_mnemonic (GIMP_COLOR_SELECTOR_GET_CLASS (page)->name);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook->notebook), page, label);
if (! notebook->cur_page)
notebook->cur_page = GIMP_COLOR_SELECTOR (page);
notebook->selectors = g_list_append (notebook->selectors, page);
gtk_widget_show (page);
g_signal_connect (page, "color_changed",
G_CALLBACK (gimp_color_notebook_color_changed),
notebook);
g_signal_connect (page, "channel_changed",
G_CALLBACK (gimp_color_notebook_channel_changed),
notebook);
}
g_free (selector_types);
}
static void
gimp_color_notebook_finalize (GObject *object)
{
GimpColorNotebook *notebook;
notebook = GIMP_COLOR_NOTEBOOK (object);
if (notebook->selectors)
{
g_list_free (notebook->selectors);
notebook->selectors = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_color_notebook_togg_visible (GimpColorSelector *selector,
gboolean visible)
{
GimpColorNotebook *notebook;
GimpColorSelector *child;
GList *list;
notebook = GIMP_COLOR_NOTEBOOK (selector);
for (list = notebook->selectors; list; list = g_list_next (list))
{
child = (GimpColorSelector *) list->data;
gimp_color_selector_set_toggles_visible (child, visible);
}
}
static void
gimp_color_notebook_togg_sensitive (GimpColorSelector *selector,
gboolean sensitive)
{
GimpColorNotebook *notebook;
GimpColorSelector *child;
GList *list;
notebook = GIMP_COLOR_NOTEBOOK (selector);
for (list = notebook->selectors; list; list = g_list_next (list))
{
child = (GimpColorSelector *) list->data;
gimp_color_selector_set_toggles_sensitive (child, sensitive);
}
}
static void
gimp_color_notebook_set_show_alpha (GimpColorSelector *selector,
gboolean show_alpha)
{
GimpColorNotebook *notebook;
GimpColorSelector *child;
GList *list;
notebook = GIMP_COLOR_NOTEBOOK (selector);
for (list = notebook->selectors; list; list = g_list_next (list))
{
child = (GimpColorSelector *) list->data;
gimp_color_selector_set_show_alpha (child, show_alpha);
}
}
static void
gimp_color_notebook_set_color (GimpColorSelector *selector,
const GimpRGB *rgb,
const GimpHSV *hsv)
{
GimpColorNotebook *notebook;
notebook = GIMP_COLOR_NOTEBOOK (selector);
g_signal_handlers_block_by_func (notebook->cur_page,
gimp_color_notebook_color_changed,
notebook);
gimp_color_selector_set_color (notebook->cur_page, rgb, hsv);
g_signal_handlers_unblock_by_func (notebook->cur_page,
gimp_color_notebook_color_changed,
notebook);
}
static void
gimp_color_notebook_set_channel (GimpColorSelector *selector,
GimpColorSelectorChannel channel)
{
GimpColorNotebook *notebook;
notebook = GIMP_COLOR_NOTEBOOK (selector);
g_signal_handlers_block_by_func (notebook->cur_page,
gimp_color_notebook_channel_changed,
notebook);
gimp_color_selector_set_channel (notebook->cur_page, channel);
g_signal_handlers_unblock_by_func (notebook->cur_page,
gimp_color_notebook_channel_changed,
notebook);
}
static void
gimp_color_notebook_switch_page (GtkNotebook *gtk_notebook,
GtkNotebookPage *page,
guint page_num,
GimpColorNotebook *notebook)
{
GimpColorSelector *selector;
GtkWidget *page_widget;
selector = GIMP_COLOR_SELECTOR (notebook);
page_widget = gtk_notebook_get_nth_page (gtk_notebook, page_num);
notebook->cur_page = GIMP_COLOR_SELECTOR (page_widget);
g_signal_handlers_block_by_func (notebook->cur_page,
gimp_color_notebook_color_changed,
notebook);
g_signal_handlers_block_by_func (notebook->cur_page,
gimp_color_notebook_channel_changed,
notebook);
gimp_color_selector_set_color (notebook->cur_page,
&selector->rgb,
&selector->hsv);
gimp_color_selector_set_channel (notebook->cur_page,
selector->channel);
g_signal_handlers_unblock_by_func (notebook->cur_page,
gimp_color_notebook_color_changed,
notebook);
g_signal_handlers_unblock_by_func (notebook->cur_page,
gimp_color_notebook_channel_changed,
notebook);
}
static void
gimp_color_notebook_color_changed (GimpColorSelector *page,
const GimpRGB *rgb,
const GimpHSV *hsv,
GimpColorNotebook *notebook)
{
GimpColorSelector *selector;
selector = GIMP_COLOR_SELECTOR (notebook);
selector->rgb = *rgb;
selector->hsv = *hsv;
gimp_color_selector_color_changed (selector);
}
static void
gimp_color_notebook_channel_changed (GimpColorSelector *page,
GimpColorSelectorChannel channel,
GimpColorNotebook *notebook)
{
GimpColorSelector *selector;
selector = GIMP_COLOR_SELECTOR (notebook);
selector->channel = channel;
gimp_color_selector_channel_changed (selector);
}
/* public function */
GtkWidget *
gimp_color_notebook_set_has_page (GimpColorNotebook *notebook,
GType page_type,
gboolean has_page)
{
GimpColorSelector *selector;
GimpColorSelector *page;
GtkWidget *label;
GList *list;
g_return_val_if_fail (GIMP_IS_COLOR_NOTEBOOK (notebook), NULL);
g_return_val_if_fail (g_type_is_a (page_type, GIMP_TYPE_COLOR_SELECTOR),
NULL);
g_return_val_if_fail (! g_type_is_a (page_type, GIMP_TYPE_COLOR_NOTEBOOK),
NULL);
selector = GIMP_COLOR_SELECTOR (notebook);
for (list = notebook->selectors; list; list = g_list_next (list))
{
page = GIMP_COLOR_SELECTOR (list->data);
if (G_TYPE_FROM_INSTANCE (page) == page_type)
{
if (has_page)
return GTK_WIDGET (page);
gtk_container_remove (GTK_CONTAINER (notebook->notebook),
GTK_WIDGET (page));
notebook->selectors = g_list_remove (notebook->selectors, page);
if (! notebook->selectors)
notebook->cur_page = NULL;
return NULL;
}
}
if (! has_page)
return NULL;
page = GIMP_COLOR_SELECTOR (gimp_color_selector_new (page_type,
&selector->rgb,
&selector->hsv,
selector->channel));
if (! page)
return NULL;
gimp_color_selector_set_show_alpha (page, selector->show_alpha);
label = gtk_label_new_with_mnemonic (GIMP_COLOR_SELECTOR_GET_CLASS (page)->name);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook->notebook),
GTK_WIDGET (page), label);
if (! notebook->cur_page)
notebook->cur_page = page;
notebook->selectors = g_list_append (notebook->selectors, page);
gtk_widget_show (GTK_WIDGET (page));
g_signal_connect (page, "color_changed",
G_CALLBACK (gimp_color_notebook_color_changed),
notebook);
g_signal_connect (page, "channel_changed",
G_CALLBACK (gimp_color_notebook_channel_changed),
notebook);
return GTK_WIDGET (page);
}
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