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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 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
* 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, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "gimpwidgetstypes.h"
#include "gimpcolornotebook.h"
#include "gimpcolorscales.h"
#include "gimpwidgetsmarshal.h"
#include "libgimp/libgimp-intl.h"
/**
* SECTION: gimpcolornotebook
* @title: GimpColorNotebook
* @short_description: A #GimpColorSelector implementation.
*
* The #GimpColorNotebook widget is an implementation of a
* #GimpColorSelector. It serves as a container for
* #GimpColorSelectors.
**/
#define DEFAULT_TAB_BORDER 0
#define DEFAULT_TAB_ICON_SIZE GTK_ICON_SIZE_BUTTON
static void gimp_color_notebook_finalize (GObject *object);
static void gimp_color_notebook_style_set (GtkWidget *widget,
GtkStyle *prev_style);
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_set_config (GimpColorSelector *selector,
GimpColorConfig *config);
static void gimp_color_notebook_switch_page (GtkNotebook *gtk_notebook,
gpointer 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 GtkWidget * gimp_color_notebook_add_page (GimpColorNotebook *notebook,
GType page_type);
G_DEFINE_TYPE (GimpColorNotebook, gimp_color_notebook,
GIMP_TYPE_COLOR_SELECTOR)
#define parent_class gimp_color_notebook_parent_class
static void
gimp_color_notebook_class_init (GimpColorNotebookClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GimpColorSelectorClass *selector_class = GIMP_COLOR_SELECTOR_CLASS (klass);
object_class->finalize = gimp_color_notebook_finalize;
widget_class->style_set = gimp_color_notebook_style_set;
selector_class->name = "Notebook";
selector_class->help_id = "gimp-colorselector-notebook";
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;
selector_class->set_config = gimp_color_notebook_set_config;
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("tab-border",
NULL,
"Width of the border around the tab contents",
0, G_MAXINT,
DEFAULT_TAB_BORDER,
G_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_enum ("tab-icon-size",
NULL,
"Size for icons displayed in the tab",
GTK_TYPE_ICON_SIZE,
DEFAULT_TAB_ICON_SIZE,
G_PARAM_READABLE));
}
static void
gimp_color_notebook_init (GimpColorNotebook *notebook)
{
GType *selector_types;
guint n_selector_types;
guint i;
notebook->notebook = gtk_notebook_new ();
gtk_box_pack_start (GTK_BOX (notebook), notebook->notebook, TRUE, TRUE, 0);
gtk_widget_show (notebook->notebook);
gtk_notebook_popup_enable (GTK_NOTEBOOK (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;
gimp_color_notebook_add_page (notebook, selector_types[i]);
}
g_free (selector_types);
}
static void
gimp_color_notebook_finalize (GObject *object)
{
GimpColorNotebook *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_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GimpColorNotebook *notebook = GIMP_COLOR_NOTEBOOK (widget);
GList *list;
gint tab_border;
GtkIconSize icon_size;
if (GTK_WIDGET_CLASS (parent_class)->style_set)
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
gtk_widget_style_get (widget,
"tab-border", &tab_border,
"tab-icon_size", &icon_size,
NULL);
g_object_set (notebook->notebook,
"tab-border", tab_border,
NULL);
for (list = notebook->selectors; list; list = g_list_next (list))
{
GimpColorSelectorClass *selector_class;
GtkWidget *image;
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (list->data);
image = gtk_image_new_from_stock (selector_class->stock_id, icon_size);
gtk_notebook_set_tab_label (GTK_NOTEBOOK (notebook->notebook),
GTK_WIDGET (list->data),
image);
}
}
static void
gimp_color_notebook_togg_visible (GimpColorSelector *selector,
gboolean visible)
{
GimpColorNotebook *notebook = GIMP_COLOR_NOTEBOOK (selector);
GList *list;
for (list = notebook->selectors; list; list = g_list_next (list))
{
GimpColorSelector *child = list->data;
gimp_color_selector_set_toggles_visible (child, visible);
}
}
static void
gimp_color_notebook_togg_sensitive (GimpColorSelector *selector,
gboolean sensitive)
{
GimpColorNotebook *notebook = GIMP_COLOR_NOTEBOOK (selector);
GList *list;
for (list = notebook->selectors; list; list = g_list_next (list))
{
GimpColorSelector *child = 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 = GIMP_COLOR_NOTEBOOK (selector);
GList *list;
for (list = notebook->selectors; list; list = g_list_next (list))
{
GimpColorSelector *child = 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 = 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 = 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_set_config (GimpColorSelector *selector,
GimpColorConfig *config)
{
GimpColorNotebook *notebook = GIMP_COLOR_NOTEBOOK (selector);
GList *list;
for (list = notebook->selectors; list; list = g_list_next (list))
{
GimpColorSelector *child = list->data;
gimp_color_selector_set_config (child, config);
}
}
static void
gimp_color_notebook_switch_page (GtkNotebook *gtk_notebook,
gpointer page,
guint page_num,
GimpColorNotebook *notebook)
{
GimpColorSelector *selector = GIMP_COLOR_SELECTOR (notebook);
GtkWidget *page_widget;
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 = 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 = GIMP_COLOR_SELECTOR (notebook);
selector->channel = channel;
gimp_color_selector_channel_changed (selector);
}
static GtkWidget *
gimp_color_notebook_add_page (GimpColorNotebook *notebook,
GType page_type)
{
GimpColorSelector *selector = GIMP_COLOR_SELECTOR (notebook);
GimpColorSelectorClass *selector_class;
GtkWidget *page;
GtkWidget *menu_widget;
GtkWidget *image;
GtkWidget *label;
page = gimp_color_selector_new (page_type,
&selector->rgb,
&selector->hsv,
selector->channel);
if (! page)
return NULL;
selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (page);
gimp_color_selector_set_show_alpha (GIMP_COLOR_SELECTOR (page),
GIMP_COLOR_SELECTOR (notebook)->show_alpha);
menu_widget = gtk_hbox_new (FALSE, 4);
image = gtk_image_new_from_stock (selector_class->stock_id,
GTK_ICON_SIZE_MENU);
gtk_box_pack_start (GTK_BOX (menu_widget), image, FALSE, FALSE, 0);
gtk_widget_show (image);
label = gtk_label_new (gettext (selector_class->name));
gtk_box_pack_start (GTK_BOX (menu_widget), label, FALSE, FALSE, 0);
gtk_widget_show (label);
image = gtk_image_new_from_stock (selector_class->stock_id,
DEFAULT_TAB_ICON_SIZE);
gtk_notebook_append_page_menu (GTK_NOTEBOOK (notebook->notebook),
page, image, menu_widget);
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);
return page;
}
/**
* gimp_color_notebook_set_has_page:
* @notebook: A #GimpColorNotebook widget.
* @page_type: The #GType of the notebook page to add or remove.
* @has_page: Whether the page should be added or removed.
*
* This function adds and removed pages to / from a #GimpColorNotebook.
* The @page_type passed must be a #GimpColorSelector subtype.
*
* Return value: The new page widget, if @has_page was #TRUE, or #NULL
* if @has_page was #FALSE.
**/
GtkWidget *
gimp_color_notebook_set_has_page (GimpColorNotebook *notebook,
GType page_type,
gboolean has_page)
{
GimpColorSelector *selector;
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))
{
GimpColorSelector *page = 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;
return gimp_color_notebook_add_page (notebook, page_type);
}
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