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gimp/app/widgets/gimpdockbook.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdockbook.c
* Copyright (C) 2001 Michael Natterer
*
* 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 "gimpdialogfactory.h"
#include "gimpdnd.h"
#include "gimpdockable.h"
#include "gimpdockbook.h"
#include "gimpimagedock.h"
#define TAB_WIDGET_SIZE 24
#define MENU_WIDGET_SIZE 16
#define MENU_WIDGET_SPACING 4
static void gimp_dockbook_class_init (GimpDockbookClass *klass);
static void gimp_dockbook_init (GimpDockbook *dockbook);
static void gimp_dockbook_destroy (GtkObject *object);
static gboolean gimp_dockbook_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gimp_dockbook_menu_switch_page (GtkWidget *widget,
GimpDockable *dockable);
static void gimp_dockbook_menu_end (GimpDockbook *dockbook);
static void gimp_dockbook_menu_detacher (GtkWidget *widget,
GtkMenu *menu);
static gboolean gimp_dockbook_tab_button_press (GtkWidget *widget,
GdkEventButton *bevent,
gpointer data);
static void gimp_dockbook_tab_drag_begin (GtkWidget *widget,
GdkDragContext *context,
gpointer data);
static void gimp_dockbook_tab_drag_end (GtkWidget *widget,
GdkDragContext *context,
gpointer data);
static gboolean gimp_dockbook_tab_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
gpointer data);
static GtkNotebookClass *parent_class = NULL;
static GtkTargetEntry dialog_target_table[] =
{
GIMP_TARGET_DIALOG
};
static guint n_dialog_targets = (sizeof (dialog_target_table) /
sizeof (dialog_target_table[0]));
GtkType
gimp_dockbook_get_type (void)
{
static GtkType dockbook_type = 0;
if (! dockbook_type)
{
static const GtkTypeInfo dockbook_info =
{
"GimpDockbook",
sizeof (GimpDockbook),
sizeof (GimpDockbookClass),
(GtkClassInitFunc) gimp_dockbook_class_init,
(GtkObjectInitFunc) gimp_dockbook_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
dockbook_type = gtk_type_unique (GTK_TYPE_NOTEBOOK, &dockbook_info);
}
return dockbook_type;
}
static void
gimp_dockbook_class_init (GimpDockbookClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GtkObjectClass *) klass;
widget_class = (GtkWidgetClass *) klass;
parent_class = gtk_type_class (GTK_TYPE_NOTEBOOK);
object_class->destroy = gimp_dockbook_destroy;
widget_class->drag_drop = gimp_dockbook_drag_drop;
}
static void
gimp_dockbook_init (GimpDockbook *dockbook)
{
dockbook->dock = NULL;
gtk_notebook_set_tab_border (GTK_NOTEBOOK (dockbook), 0);
gtk_notebook_popup_enable (GTK_NOTEBOOK (dockbook));
gtk_notebook_set_scrollable (GTK_NOTEBOOK (dockbook), TRUE);
gtk_drag_dest_set (GTK_WIDGET (dockbook),
GTK_DEST_DEFAULT_ALL,
dialog_target_table, n_dialog_targets,
GDK_ACTION_MOVE);
}
GtkWidget *
gimp_dockbook_new (void)
{
return GTK_WIDGET (gtk_type_new (GIMP_TYPE_DOCKBOOK));
}
static void
gimp_dockbook_destroy (GtkObject *object)
{
if (GTK_OBJECT_CLASS (parent_class))
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static gboolean
gimp_dockbook_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GtkWidget *source;
source = gtk_drag_get_source_widget (context);
if (source)
{
GimpDockable *dockable;
dockable = (GimpDockable *) gtk_object_get_data (GTK_OBJECT (source),
"gimp-dockable");
if (dockable)
{
gtk_object_set_data (GTK_OBJECT (dockable),
"gimp-dock-drag-widget", NULL);
if (dockable->dockbook != GIMP_DOCKBOOK (widget))
{
gtk_object_ref (GTK_OBJECT (dockable));
gimp_dockbook_remove (dockable->dockbook, dockable);
gimp_dockbook_add (GIMP_DOCKBOOK (widget), dockable, -1);
gtk_object_unref (GTK_OBJECT (dockable));
return TRUE;
}
}
}
return FALSE;
}
void
gimp_dockbook_add (GimpDockbook *dockbook,
GimpDockable *dockable,
gint position)
{
GtkWidget *tab_widget;
GtkWidget *menu_widget;
g_return_if_fail (dockbook != NULL);
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (dockbook->dock != NULL);
g_return_if_fail (dockable != NULL);
g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
g_return_if_fail (dockable->dockbook == NULL);
tab_widget = gimp_dockable_get_tab_widget (dockable, dockbook,
TAB_WIDGET_SIZE);
if (GTK_IS_LABEL (tab_widget))
{
GtkWidget *event_box;
event_box = gtk_event_box_new ();
gtk_container_add (GTK_CONTAINER (event_box), tab_widget);
gtk_widget_show (tab_widget);
tab_widget = event_box;
}
gimp_help_set_help_data (tab_widget, dockable->name, NULL);
gtk_object_set_data (GTK_OBJECT (tab_widget), "gimp-dockable", dockable);
gtk_signal_connect (GTK_OBJECT (tab_widget), "button_press_event",
GTK_SIGNAL_FUNC (gimp_dockbook_tab_button_press),
dockable);
menu_widget = gimp_dockable_get_tab_widget (dockable, dockbook,
MENU_WIDGET_SIZE);
if (! GTK_IS_LABEL (menu_widget))
{
GtkWidget *hbox;
GtkWidget *label;
hbox = gtk_hbox_new (FALSE, MENU_WIDGET_SPACING);
gtk_box_pack_start (GTK_BOX (hbox), menu_widget, FALSE, FALSE, 0);
gtk_widget_show (menu_widget);
label = gtk_label_new (dockable->name);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
menu_widget = hbox;
}
else
{
gtk_widget_destroy (menu_widget);
menu_widget = gtk_label_new (dockable->name);
gtk_misc_set_alignment (GTK_MISC (menu_widget), 0.0, 0.5);
}
if (position == -1)
{
gtk_notebook_append_page_menu (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable),
tab_widget,
menu_widget);
}
else
{
gtk_notebook_insert_page_menu (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable),
tab_widget,
menu_widget,
position);
}
{
GtkWidget *menu_item;
GList *list;
menu_item = menu_widget->parent;
for (list = GTK_NOTEBOOK (dockbook)->children;
list;
list = g_list_next (list))
{
GtkNotebookPage *page;
page = (GtkNotebookPage *) list->data;
if (page->child == (GtkWidget *) dockable)
{
gtk_signal_disconnect_by_data (GTK_OBJECT (menu_item), page);
gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
GTK_SIGNAL_FUNC (gimp_dockbook_menu_switch_page),
dockable);
break;
}
}
}
gtk_widget_show (GTK_WIDGET (dockable));
gtk_drag_source_set (GTK_WIDGET (tab_widget),
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
dialog_target_table, n_dialog_targets,
GDK_ACTION_MOVE);
gtk_signal_connect (GTK_OBJECT (tab_widget), "drag_begin",
GTK_SIGNAL_FUNC (gimp_dockbook_tab_drag_begin),
dockable);
gtk_signal_connect (GTK_OBJECT (tab_widget), "drag_end",
GTK_SIGNAL_FUNC (gimp_dockbook_tab_drag_end),
dockable);
gtk_drag_dest_set (GTK_WIDGET (tab_widget),
GTK_DEST_DEFAULT_ALL,
dialog_target_table, n_dialog_targets,
GDK_ACTION_MOVE);
gtk_signal_connect (GTK_OBJECT (tab_widget), "drag_drop",
GTK_SIGNAL_FUNC (gimp_dockbook_tab_drag_drop),
dockbook);
dockable->dockbook = dockbook;
gimp_dockable_set_context (dockable, dockbook->dock->context);
}
void
gimp_dockbook_remove (GimpDockbook *dockbook,
GimpDockable *dockable)
{
g_return_if_fail (dockbook != NULL);
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (dockable != NULL);
g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
g_return_if_fail (dockable->dockbook != NULL);
g_return_if_fail (dockable->dockbook == dockbook);
dockable->dockbook = NULL;
gimp_dockable_set_context (dockable, NULL);
gtk_container_remove (GTK_CONTAINER (dockbook), GTK_WIDGET (dockable));
if (! g_list_length (gtk_container_children (GTK_CONTAINER (dockbook))))
{
gimp_dock_remove_book (dockbook->dock, dockbook);
}
}
static void
gimp_dockbook_menu_switch_page (GtkWidget *widget,
GimpDockable *dockable)
{
gint page_num;
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (dockable->dockbook),
GTK_WIDGET (dockable));
gtk_notebook_set_page (GTK_NOTEBOOK (dockable->dockbook), page_num);
}
static void
gimp_dockbook_menu_end (GimpDockbook *dockbook)
{
GtkWidget *notebook_menu;
notebook_menu = GTK_NOTEBOOK (dockbook)->menu;
gtk_object_ref (GTK_OBJECT (notebook_menu));
gtk_menu_detach (GTK_MENU (notebook_menu));
gtk_menu_attach_to_widget (GTK_MENU (notebook_menu),
GTK_WIDGET (dockbook),
gimp_dockbook_menu_detacher);
gtk_object_unref (GTK_OBJECT (notebook_menu));
/* release gimp_dockbook_tab_button_press()'s reference */
gtk_object_unref (GTK_OBJECT (dockbook));
}
static void
gimp_dockbook_menu_detacher (GtkWidget *widget,
GtkMenu *menu)
{
GtkNotebook *notebook;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_NOTEBOOK (widget));
notebook = GTK_NOTEBOOK (widget);
g_return_if_fail (notebook->menu == (GtkWidget*) menu);
notebook->menu = NULL;
}
static gboolean
gimp_dockbook_tab_button_press (GtkWidget *widget,
GdkEventButton *bevent,
gpointer data)
{
GimpDockable *dockable;
GimpDockbook *dockbook;
gint page_num;
dockable = GIMP_DOCKABLE (data);
dockbook = dockable->dockbook;
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable));
gtk_notebook_set_page (GTK_NOTEBOOK (dockbook), page_num);
if (bevent->button == 3)
{
GtkItemFactory *ifactory;
GtkWidget *add_widget;
GtkWidget *toggle_widget;
GtkWidget *auto_widget;
GtkWidget *notebook_menu;
gint origin_x;
gint origin_y;
gint x, y;
ifactory = GTK_ITEM_FACTORY (dockbook->dock->factory->item_factory);
add_widget = gtk_item_factory_get_widget (ifactory,
"/Select Tab");
toggle_widget = gtk_item_factory_get_widget (ifactory,
"/Show Image Menu");
auto_widget = gtk_item_factory_get_widget (ifactory,
"/Auto Follow Active Image");
notebook_menu = GTK_NOTEBOOK (dockbook)->menu;
gtk_object_ref (GTK_OBJECT (notebook_menu));
gtk_menu_detach (GTK_MENU (notebook_menu));
GTK_NOTEBOOK (dockbook)->menu = notebook_menu;
gtk_menu_item_set_submenu (GTK_MENU_ITEM (add_widget), notebook_menu);
gtk_object_unref (GTK_OBJECT (notebook_menu));
gdk_window_get_origin (widget->window, &origin_x, &origin_y);
x = bevent->x + origin_x;
y = bevent->y + origin_y;
if (x + ifactory->widget->requisition.width > gdk_screen_width ())
x -= ifactory->widget->requisition.width;
if (y + ifactory->widget->requisition.height > gdk_screen_height ())
y -= ifactory->widget->requisition.height;
/* an item factory callback may destroy the dockbook, so reference
* if for gimp_dockbook_menu_end()
*/
gtk_object_ref (GTK_OBJECT (dockbook));
gtk_check_menu_item_set_active
(GTK_CHECK_MENU_ITEM (toggle_widget),
GIMP_IMAGE_DOCK (dockbook->dock)->show_image_menu);
gtk_check_menu_item_set_active
(GTK_CHECK_MENU_ITEM (auto_widget),
GIMP_IMAGE_DOCK (dockbook->dock)->auto_follow_active);
gtk_item_factory_popup_with_data (ifactory,
dockbook,
(GtkDestroyNotify) gimp_dockbook_menu_end,
x, y,
3, bevent->time);
}
return FALSE;
}
static void
gimp_dockbook_tab_drag_begin (GtkWidget *widget,
GdkDragContext *context,
gpointer data)
{
GimpDockable *dockable;
GtkWidget *window;
GtkWidget *frame;
GtkWidget *preview;
dockable = GIMP_DOCKABLE (data);
window = gtk_window_new (GTK_WINDOW_POPUP);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_container_add (GTK_CONTAINER (window), frame);
gtk_widget_show (frame);
preview = gimp_dockable_get_tab_widget (dockable, dockable->dockbook,
TAB_WIDGET_SIZE);
if (! GTK_IS_LABEL (preview))
{
GtkWidget *hbox;
GtkWidget *label;
hbox = gtk_hbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 2);
gtk_box_pack_start (GTK_BOX (hbox), preview, FALSE, FALSE, 0);
gtk_widget_show (preview);
label = gtk_label_new (dockable->name);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 2);
gtk_widget_show (label);
preview = hbox;
}
else
{
gtk_widget_destroy (preview);
preview = gtk_label_new (dockable->name);
gtk_misc_set_padding (GTK_MISC (preview), 10, 5);
}
gtk_container_add (GTK_CONTAINER (frame), preview);
gtk_widget_show (preview);
gtk_widget_show (window);
gtk_object_set_data_full (GTK_OBJECT (dockable), "gimp-dock-drag-widget",
window,
(GtkDestroyNotify) gtk_widget_destroy);
gtk_drag_set_icon_widget (context, window,
-8, -8);
}
static void
gimp_dockbook_tab_drag_end (GtkWidget *widget,
GdkDragContext *context,
gpointer data)
{
GimpDockable *dockable;
GtkWidget *drag_widget;
dockable = GIMP_DOCKABLE (data);
drag_widget = gtk_object_get_data (GTK_OBJECT (dockable),
"gimp-dock-drag-widget");
if (drag_widget)
{
GtkWidget *dock;
GtkWidget *dockbook;
gtk_object_set_data (GTK_OBJECT (dockable), "gimp-dock-drag-widget", NULL);
dock = gimp_dialog_factory_dock_new (dockable->dockbook->dock->factory);
gtk_window_set_position (GTK_WINDOW (dock), GTK_WIN_POS_MOUSE);
dockbook = gimp_dockbook_new ();
gimp_dock_add_book (GIMP_DOCK (dock), GIMP_DOCKBOOK (dockbook), 0);
gtk_object_ref (GTK_OBJECT (dockable));
gimp_dockbook_remove (dockable->dockbook, dockable);
gimp_dockbook_add (GIMP_DOCKBOOK (dockbook), dockable, 0);
gtk_object_unref (GTK_OBJECT (dockable));
gtk_widget_show (dock);
}
}
static gboolean
gimp_dockbook_tab_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
gpointer data)
{
GimpDockable *dest_dockable;
GtkWidget *source;
dest_dockable = (GimpDockable *) gtk_object_get_data (GTK_OBJECT (widget),
"gimp-dockable");
source = gtk_drag_get_source_widget (context);
if (dest_dockable && source)
{
GimpDockable *src_dockable;
src_dockable = (GimpDockable *) gtk_object_get_data (GTK_OBJECT (source),
"gimp-dockable");
if (src_dockable)
{
gint dest_index;
dest_index =
gtk_notebook_page_num (GTK_NOTEBOOK (dest_dockable->dockbook),
GTK_WIDGET (dest_dockable));
gtk_object_set_data (GTK_OBJECT (src_dockable),
"gimp-dock-drag-widget", NULL);
if (src_dockable->dockbook != dest_dockable->dockbook)
{
gtk_object_ref (GTK_OBJECT (src_dockable));
gimp_dockbook_remove (src_dockable->dockbook, src_dockable);
gimp_dockbook_add (dest_dockable->dockbook, src_dockable,
dest_index);
gtk_object_unref (GTK_OBJECT (src_dockable));
return TRUE;
}
else if (src_dockable != dest_dockable)
{
gtk_notebook_reorder_child (GTK_NOTEBOOK (src_dockable->dockbook),
GTK_WIDGET (src_dockable),
dest_index);
return TRUE;
}
}
}
return FALSE;
}
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