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gimp/app/widgets/gimpeditor.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpeditor.c
* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
*
* 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 <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "gimpeditor.h"
#include "gimpdnd.h"
#include "gimpenummenu.h"
#include "gimpitemfactory.h"
#include "gimpmenufactory.h"
#define DEFAULT_CONTENT_SPACING 2
#define DEFAULT_BUTTON_SPACING 2
#define DEFAULT_BUTTON_ICON_SIZE GTK_ICON_SIZE_MENU
static void gimp_editor_class_init (GimpEditorClass *klass);
static void gimp_editor_init (GimpEditor *editor);
static void gimp_editor_destroy (GtkObject *object);
static void gimp_editor_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static gboolean gimp_editor_popup_menu (GtkWidget *widget);
static GtkIconSize gimp_editor_ensure_button_box (GimpEditor *editor);
static GtkVBoxClass *parent_class = NULL;
GType
gimp_editor_get_type (void)
{
static GType type = 0;
if (! type)
{
static const GTypeInfo info =
{
sizeof (GimpEditorClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_editor_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpEditor),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_editor_init,
};
type = g_type_register_static (GTK_TYPE_VBOX,
"GimpEditor",
&info, 0);
}
return type;
}
static void
gimp_editor_class_init (GimpEditorClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = GTK_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->destroy = gimp_editor_destroy;
widget_class->style_set = gimp_editor_style_set;
widget_class->popup_menu = gimp_editor_popup_menu;
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("content_spacing",
NULL, NULL,
0,
G_MAXINT,
DEFAULT_CONTENT_SPACING,
G_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("button_spacing",
NULL, NULL,
0,
G_MAXINT,
DEFAULT_BUTTON_SPACING,
G_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_enum ("button_icon_size",
NULL, NULL,
GTK_TYPE_ICON_SIZE,
DEFAULT_BUTTON_ICON_SIZE,
G_PARAM_READABLE));
}
static void
gimp_editor_init (GimpEditor *editor)
{
editor->menu_factory = NULL;
editor->item_factory = NULL;
editor->item_factory_data = NULL;
editor->button_box = NULL;
}
static void
gimp_editor_destroy (GtkObject *object)
{
GimpEditor *editor;
editor = GIMP_EDITOR (object);
if (editor->item_factory)
{
g_object_unref (editor->item_factory);
editor->item_factory = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_editor_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GimpEditor *editor;
GtkIconSize button_icon_size;
gint button_spacing;
gint content_spacing;
editor = GIMP_EDITOR (widget);
gtk_widget_style_get (widget,
"button_icon_size", &button_icon_size,
"button_spacing", &button_spacing,
"content_spacing", &content_spacing,
NULL);
gtk_box_set_spacing (GTK_BOX (widget), content_spacing);
if (editor->button_box)
{
GList *children;
GList *list;
gtk_box_set_spacing (GTK_BOX (editor->button_box), button_spacing);
children = gtk_container_get_children (GTK_CONTAINER (editor->button_box));
for (list = children; list; list = g_list_next (list))
{
GtkBin *bin;
gchar *stock_id;
bin = GTK_BIN (list->data);
gtk_image_get_stock (GTK_IMAGE (bin->child), &stock_id, NULL);
gtk_image_set_from_stock (GTK_IMAGE (bin->child),
stock_id,
button_icon_size);
}
g_list_free (children);
}
if (GTK_WIDGET_CLASS (parent_class)->style_set)
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
}
static void
gimp_editor_menu_position (GtkMenu *menu,
gint *x,
gint *y,
gpointer data)
{
GtkRequisition requisition;
GtkWidget *editor;
gint editor_x;
gint editor_y;
editor = (GtkWidget *) data;
gdk_window_get_origin (editor->window, &editor_x, &editor_y);
gtk_widget_size_request (GTK_WIDGET (menu), &requisition);
*x = editor_x + editor->allocation.x + 2;
*y = editor_y + editor->allocation.y + 2;
if (*x + requisition.width > gdk_screen_width ())
*x -= requisition.width;
if (*x < 0)
*x = 0;
if (*y + requisition.height > gdk_screen_height ())
*y -= requisition.height;
if (*y < 0)
*y = 0;
}
static gboolean
gimp_editor_popup_menu (GtkWidget *widget)
{
GimpEditor *editor;
editor = GIMP_EDITOR (widget);
if (editor->item_factory)
{
gimp_item_factory_popup_with_data (editor->item_factory,
editor->item_factory_data,
gimp_editor_menu_position,
editor,
NULL);
return TRUE;
}
return FALSE;
}
GtkWidget *
gimp_editor_new (void)
{
GimpEditor *editor;
editor = g_object_new (GIMP_TYPE_EDITOR, NULL);
return GTK_WIDGET (editor);
}
void
gimp_editor_create_menu (GimpEditor *editor,
GimpMenuFactory *menu_factory,
const gchar *menu_identifier,
gpointer callback_data)
{
g_return_if_fail (GIMP_IS_EDITOR (editor));
g_return_if_fail (GIMP_IS_MENU_FACTORY (menu_factory));
g_return_if_fail (menu_identifier != NULL);
if (editor->item_factory)
g_object_unref (editor->item_factory);
editor->menu_factory = menu_factory;
editor->item_factory = gimp_menu_factory_menu_new (menu_factory,
menu_identifier,
GTK_TYPE_MENU,
callback_data,
FALSE);
editor->item_factory_data = callback_data;
}
GtkWidget *
gimp_editor_add_button (GimpEditor *editor,
const gchar *stock_id,
const gchar *tooltip,
const gchar *help_data,
GCallback callback,
GCallback extended_callback,
gpointer callback_data)
{
GtkWidget *button;
GtkWidget *image;
GtkIconSize button_icon_size;
g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
g_return_val_if_fail (stock_id != NULL, NULL);
button_icon_size = gimp_editor_ensure_button_box (editor);
button = gimp_button_new ();
gtk_box_pack_start (GTK_BOX (editor->button_box), button, TRUE, TRUE, 0);
gtk_widget_show (button);
if (tooltip || help_data)
gimp_help_set_help_data (button, tooltip, help_data);
if (callback)
g_signal_connect (button, "clicked",
callback,
callback_data);
if (extended_callback)
g_signal_connect (button, "extended_clicked",
extended_callback,
callback_data);
image = gtk_image_new_from_stock (stock_id, button_icon_size);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
return button;
}
GtkWidget *
gimp_editor_add_stock_box (GimpEditor *editor,
GType enum_type,
const gchar *stock_prefix,
GCallback callback,
gpointer callback_data)
{
GtkWidget *hbox;
GtkWidget *first_button;
GtkIconSize button_icon_size;
GList *children;
GList *list;
g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
g_return_val_if_fail (g_type_is_a (enum_type, G_TYPE_ENUM), NULL);
g_return_val_if_fail (stock_prefix != NULL, NULL);
button_icon_size = gimp_editor_ensure_button_box (editor);
hbox = gimp_enum_stock_box_new (enum_type, stock_prefix, button_icon_size,
callback, callback_data,
&first_button);
children = gtk_container_get_children (GTK_CONTAINER (hbox));
for (list = children; list; list = g_list_next (list))
{
GtkWidget *button = list->data;
g_object_ref (button);
gtk_container_remove (GTK_CONTAINER (hbox), button);
gtk_box_pack_start (GTK_BOX (editor->button_box), button,
TRUE, TRUE, 0);
g_object_unref (button);
}
g_list_free (children);
gtk_widget_destroy (hbox);
return first_button;
}
static GtkIconSize
gimp_editor_ensure_button_box (GimpEditor *editor)
{
GtkIconSize button_icon_size;
gint button_spacing;
gtk_widget_style_get (GTK_WIDGET (editor),
"button_icon_size", &button_icon_size,
"button_spacing", &button_spacing,
NULL);
if (! editor->button_box)
{
editor->button_box = gtk_hbox_new (TRUE, button_spacing);
gtk_box_pack_end (GTK_BOX (editor), editor->button_box, FALSE, FALSE, 0);
gtk_widget_show (editor->button_box);
}
return button_icon_size;
}
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