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gimp/app/widgets/gimpdockbook.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdockbook.c
* Copyright (C) 2001-2007 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontext.h"
#include "core/gimpmarshal.h"
#include "gimpdnd.h"
#include "gimpdock.h"
#include "gimpdockable.h"
#include "gimpdockbook.h"
#include "gimpdocked.h"
#include "gimpdockwindow.h"
#include "gimphelp-ids.h"
#include "gimpmenufactory.h"
#include "gimppanedbox.h"
#include "gimpstringaction.h"
#include "gimpuimanager.h"
#include "gimpview.h"
#include "gimpwidgets-utils.h"
#include "gimp-log.h"
#define DEFAULT_TAB_BORDER 0
#define DEFAULT_TAB_ICON_SIZE GTK_ICON_SIZE_BUTTON
#define DND_WIDGET_ICON_SIZE GTK_ICON_SIZE_BUTTON
#define MENU_WIDGET_ICON_SIZE GTK_ICON_SIZE_MENU
#define MENU_WIDGET_SPACING 4
#define TAB_HOVER_TIMEOUT 500
enum
{
DOCKABLE_ADDED,
DOCKABLE_REMOVED,
DOCKABLE_REORDERED,
LAST_SIGNAL
};
struct _GimpDockbookPrivate
{
GimpDock *dock;
GimpUIManager *ui_manager;
guint tab_hover_timeout;
GimpDockable *tab_hover_dockable;
GimpPanedBox *drag_handler;
};
static void gimp_dockbook_dispose (GObject *object);
static void gimp_dockbook_finalize (GObject *object);
static void gimp_dockbook_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static void gimp_dockbook_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time);
static gboolean gimp_dockbook_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static gboolean gimp_dockbook_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gimp_dockbook_dockable_added (GimpDockbook *dockbook,
GimpDockable *dockable);
static void gimp_dockbook_dockable_removed (GimpDockbook *dockbook,
GimpDockable *dockable);
static void gimp_dockbook_update_tabs (GimpDockbook *dockbook,
gboolean added);
static void gimp_dockbook_tab_drag_source_setup (GtkWidget *widget,
GimpDockable *dockable);
static void gimp_dockbook_tab_drag_begin (GtkWidget *widget,
GdkDragContext *context,
GimpDockable *dockable);
static void gimp_dockbook_tab_drag_end (GtkWidget *widget,
GdkDragContext *context,
GimpDockable *dockable);
static void gimp_dockbook_tab_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time,
GimpDockable *dockable);
static gboolean gimp_dockbook_tab_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
GimpDockable *dockable);
static gboolean gimp_dockbook_tab_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gimp_dockbook_add_tab_timeout (GimpDockbook *dockbook,
GimpDockable *dockable);
static void gimp_dockbook_remove_tab_timeout (GimpDockbook *dockbook);
static gboolean gimp_dockbook_tab_timeout (GimpDockbook *dockbook);
static void gimp_dockbook_tab_locked_notify (GimpDockable *dockable,
GParamSpec *pspec,
GimpDockbook *dockbook);
static void gimp_dockbook_help_func (const gchar *help_id,
gpointer help_data);
G_DEFINE_TYPE (GimpDockbook, gimp_dockbook, GTK_TYPE_NOTEBOOK)
#define parent_class gimp_dockbook_parent_class
static guint dockbook_signals[LAST_SIGNAL] = { 0 };
static const GtkTargetEntry dialog_target_table[] = { GIMP_TARGET_DIALOG };
static void
gimp_dockbook_class_init (GimpDockbookClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
dockbook_signals[DOCKABLE_ADDED] =
g_signal_new ("dockable-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDockbookClass, dockable_added),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_DOCKABLE);
dockbook_signals[DOCKABLE_REMOVED] =
g_signal_new ("dockable-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDockbookClass, dockable_removed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_DOCKABLE);
dockbook_signals[DOCKABLE_REORDERED] =
g_signal_new ("dockable-reordered",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDockbookClass, dockable_reordered),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_DOCKABLE);
object_class->dispose = gimp_dockbook_dispose;
object_class->finalize = gimp_dockbook_finalize;
widget_class->style_set = gimp_dockbook_style_set;
widget_class->drag_leave = gimp_dockbook_drag_leave;
widget_class->drag_motion = gimp_dockbook_drag_motion;
widget_class->drag_drop = gimp_dockbook_drag_drop;
klass->dockable_added = gimp_dockbook_dockable_added;
klass->dockable_removed = gimp_dockbook_dockable_removed;
klass->dockable_reordered = NULL;
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("tab-border",
NULL, NULL,
0, G_MAXINT,
DEFAULT_TAB_BORDER,
GIMP_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_enum ("tab-icon-size",
NULL, NULL,
GTK_TYPE_ICON_SIZE,
DEFAULT_TAB_ICON_SIZE,
GIMP_PARAM_READABLE));
g_type_class_add_private (klass, sizeof (GimpDockbookPrivate));
}
static void
gimp_dockbook_init (GimpDockbook *dockbook)
{
GtkNotebook *notebook = GTK_NOTEBOOK (dockbook);
dockbook->p = G_TYPE_INSTANCE_GET_PRIVATE (dockbook,
GIMP_TYPE_DOCKBOOK,
GimpDockbookPrivate);
gtk_notebook_popup_enable (notebook);
gtk_notebook_set_scrollable (notebook, TRUE);
gtk_notebook_set_show_border (notebook, FALSE);
gtk_drag_dest_set (GTK_WIDGET (dockbook),
0,
dialog_target_table, G_N_ELEMENTS (dialog_target_table),
GDK_ACTION_MOVE);
}
static void
gimp_dockbook_dispose (GObject *object)
{
GimpDockbook *dockbook = GIMP_DOCKBOOK (object);
gimp_dockbook_remove_tab_timeout (dockbook);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_dockbook_finalize (GObject *object)
{
GimpDockbook *dockbook = GIMP_DOCKBOOK (object);
if (dockbook->p->ui_manager)
{
g_object_unref (dockbook->p->ui_manager);
dockbook->p->ui_manager = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_dockbook_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GList *children;
GList *list;
gint tab_border;
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
/* Don't attempt to construct widgets that require a GimpContext if
* we are detached from a top-level, we're either on our way to
* destruction, in which case we don't care, or we will be given a
* new parent, in which case the widget style will be reset again
* anyway, i.e. this function will be called again
*/
if (! gtk_widget_is_toplevel (gtk_widget_get_toplevel (widget)))
return;
gtk_widget_style_get (widget,
"tab-border", &tab_border,
NULL);
g_object_set (widget,
"tab-border", tab_border,
NULL);
children = gtk_container_get_children (GTK_CONTAINER (widget));
for (list = children; list; list = g_list_next (list))
{
GtkWidget *tab_widget;
tab_widget = gimp_dockbook_create_tab_widget (GIMP_DOCKBOOK (widget),
GIMP_DOCKABLE (list->data));
gtk_notebook_set_tab_label (GTK_NOTEBOOK (widget),
GTK_WIDGET (list->data),
tab_widget);
}
g_list_free (children);
}
static void
gimp_dockbook_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time)
{
gimp_highlight_widget (widget, FALSE);
}
static gboolean
gimp_dockbook_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GimpDockbook *dockbook = GIMP_DOCKBOOK (widget);
gboolean other_will_handle = FALSE;
other_will_handle = gimp_paned_box_will_handle_drag (dockbook->p->drag_handler,
widget,
context,
x, y,
time);
gdk_drag_status (context, other_will_handle ? 0 : GDK_ACTION_MOVE, time);
gimp_highlight_widget (widget, ! other_will_handle);
return other_will_handle ? FALSE : TRUE;
}
static gboolean
gimp_dockbook_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GimpDockbook *dockbook = GIMP_DOCKBOOK (widget);
gboolean handled = FALSE;
if (gimp_paned_box_will_handle_drag (dockbook->p->drag_handler,
widget,
context,
x, y,
time))
{
/* Make event fall through to the drag handler */
handled = FALSE;
}
else
{
handled =
gimp_dockbook_drop_dockable (dockbook,
gtk_drag_get_source_widget (context));
}
/* We must call gtk_drag_finish() ourselves */
if (handled)
gtk_drag_finish (context, TRUE, TRUE, time);
return handled;
}
static void
gimp_dockbook_dockable_added (GimpDockbook *dockbook,
GimpDockable *dockable)
{
gimp_dockbook_update_tabs (dockbook, TRUE);
gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook),
gtk_notebook_page_num (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable)));
}
static void
gimp_dockbook_dockable_removed (GimpDockbook *dockbook,
GimpDockable *dockable)
{
gimp_dockbook_update_tabs (dockbook, FALSE);
}
static void
gimp_dockbook_update_tabs (GimpDockbook *dockbook,
gboolean added)
{
switch (gtk_notebook_get_n_pages (GTK_NOTEBOOK (dockbook)))
{
case 1:
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (dockbook), FALSE);
break;
case 2:
if (added)
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (dockbook), TRUE);
break;
default:
break;
}
}
GtkWidget *
gimp_dockbook_new (GimpMenuFactory *menu_factory)
{
GimpDockbook *dockbook;
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
dockbook = g_object_new (GIMP_TYPE_DOCKBOOK, NULL);
dockbook->p->ui_manager = gimp_menu_factory_manager_new (menu_factory,
"<Dockable>",
dockbook,
FALSE);
gimp_help_connect (GTK_WIDGET (dockbook), gimp_dockbook_help_func,
GIMP_HELP_DOCK, dockbook);
return GTK_WIDGET (dockbook);
}
GimpDock *
gimp_dockbook_get_dock (GimpDockbook *dockbook)
{
g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), NULL);
return dockbook->p->dock;
}
void
gimp_dockbook_set_dock (GimpDockbook *dockbook,
GimpDock *dock)
{
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (dock == NULL || GIMP_IS_DOCK (dock));
dockbook->p->dock = dock;
}
GimpUIManager *
gimp_dockbook_get_ui_manager (GimpDockbook *dockbook)
{
g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), NULL);
return dockbook->p->ui_manager;
}
void
gimp_dockbook_add (GimpDockbook *dockbook,
GimpDockable *dockable,
gint position)
{
GtkWidget *tab_widget;
GtkWidget *menu_widget;
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (dockbook->p->dock != NULL);
g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
g_return_if_fail (gimp_dockable_get_dockbook (dockable) == NULL);
GIMP_LOG (DND, "Adding GimpDockable %p to GimpDockbook %p", dockable, dockbook);
tab_widget = gimp_dockbook_create_tab_widget (dockbook, dockable);
g_return_if_fail (GTK_IS_WIDGET (tab_widget));
gimp_dockable_set_drag_handler (dockable, dockbook->p->drag_handler);
menu_widget = gimp_dockable_get_tab_widget (dockable,
gimp_dock_get_context (dockbook->p->dock),
GIMP_TAB_STYLE_ICON_BLURB,
MENU_WIDGET_ICON_SIZE);
g_return_if_fail (GTK_IS_WIDGET (menu_widget));
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);
}
gtk_widget_show (GTK_WIDGET (dockable));
gimp_dockable_set_dockbook (dockable, dockbook);
gimp_dockable_set_context (dockable, gimp_dock_get_context (dockbook->p->dock));
g_signal_connect (dockable, "notify::locked",
G_CALLBACK (gimp_dockbook_tab_locked_notify),
dockbook);
g_signal_emit (dockbook, dockbook_signals[DOCKABLE_ADDED], 0, dockable);
}
void
gimp_dockbook_remove (GimpDockbook *dockbook,
GimpDockable *dockable)
{
GList *children;
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
g_return_if_fail (gimp_dockable_get_dockbook (dockable) == dockbook);
GIMP_LOG (DND, "Removing GimpDockable %p from GimpDockbook %p", dockable, dockbook);
gimp_dockable_set_drag_handler (dockable, NULL);
g_object_ref (dockable);
g_signal_handlers_disconnect_by_func (dockable,
G_CALLBACK (gimp_dockbook_tab_locked_notify),
dockbook);
if (dockbook->p->tab_hover_dockable == dockable)
gimp_dockbook_remove_tab_timeout (dockbook);
gimp_dockable_set_dockbook (dockable, NULL);
gimp_dockable_set_context (dockable, NULL);
gtk_container_remove (GTK_CONTAINER (dockbook), GTK_WIDGET (dockable));
g_signal_emit (dockbook, dockbook_signals[DOCKABLE_REMOVED], 0, dockable);
g_object_unref (dockable);
children = gtk_container_get_children (GTK_CONTAINER (dockbook));
if (! g_list_length (children))
gimp_dock_remove_book (dockbook->p->dock, dockbook);
g_list_free (children);
}
/**
* gimp_dockbook_update_with_context:
* @dockbook:
* @context:
*
* Set @context on all dockables in @dockbook.
**/
void
gimp_dockbook_update_with_context (GimpDockbook *dockbook,
GimpContext *context)
{
GList *children = gtk_container_get_children (GTK_CONTAINER (dockbook));
GList *iter = NULL;
for (iter = children;
iter;
iter = g_list_next (iter))
{
GimpDockable *dockable = GIMP_DOCKABLE (iter->data);
gimp_dockable_set_context (dockable, context);
}
g_list_free (children);
}
GtkWidget *
gimp_dockbook_create_tab_widget (GimpDockbook *dockbook,
GimpDockable *dockable)
{
GtkWidget *tab_widget;
GimpDockWindow *dock_window;
GtkIconSize tab_size = DEFAULT_TAB_ICON_SIZE;
GtkAction *action = NULL;
gtk_widget_style_get (GTK_WIDGET (dockbook),
"tab-icon-size", &tab_size,
NULL);
tab_widget = gimp_dockable_get_tab_widget (dockable,
gimp_dock_get_context (dockbook->p->dock),
gimp_dockable_get_tab_style (dockable),
tab_size);
if (! GIMP_IS_VIEW (tab_widget))
{
GtkWidget *event_box;
event_box = gtk_event_box_new ();
gtk_event_box_set_visible_window (GTK_EVENT_BOX (event_box), FALSE);
gtk_event_box_set_above_child (GTK_EVENT_BOX (event_box), TRUE);
gtk_container_add (GTK_CONTAINER (event_box), tab_widget);
gtk_widget_show (tab_widget);
tab_widget = event_box;
}
/* EEK */
dock_window = gimp_dock_window_from_dock (dockbook->p->dock);
if (dock_window && gimp_dock_window_get_ui_manager (dock_window))
{
const gchar *dialog_id;
dialog_id = g_object_get_data (G_OBJECT (dockable),
"gimp-dialog-identifier");
if (dialog_id)
{
GimpActionGroup *group;
group = gimp_ui_manager_get_action_group
(gimp_dock_window_get_ui_manager (dock_window), "dialogs");
if (group)
{
GList *actions;
GList *list;
actions = gtk_action_group_list_actions (GTK_ACTION_GROUP (group));
for (list = actions; list; list = g_list_next (list))
{
if (GIMP_IS_STRING_ACTION (list->data) &&
strstr (GIMP_STRING_ACTION (list->data)->value,
dialog_id))
{
action = list->data;
break;
}
}
g_list_free (actions);
}
}
}
if (action)
gimp_widget_set_accel_help (tab_widget, action);
else
gimp_help_set_help_data (tab_widget,
gimp_dockable_get_blurb (dockable),
gimp_dockable_get_help_id (dockable));
g_object_set_data (G_OBJECT (tab_widget), "gimp-dockable", dockable);
gimp_dockbook_tab_drag_source_setup (tab_widget, dockable);
g_signal_connect_object (tab_widget, "drag-begin",
G_CALLBACK (gimp_dockbook_tab_drag_begin),
dockable, 0);
g_signal_connect_object (tab_widget, "drag-end",
G_CALLBACK (gimp_dockbook_tab_drag_end),
dockable, 0);
g_signal_connect_object (dockable, "drag-begin",
G_CALLBACK (gimp_dockbook_tab_drag_begin),
dockable, 0);
g_signal_connect_object (dockable, "drag-end",
G_CALLBACK (gimp_dockbook_tab_drag_end),
dockable, 0);
gtk_drag_dest_set (tab_widget,
0,
dialog_target_table, G_N_ELEMENTS (dialog_target_table),
GDK_ACTION_MOVE);
g_signal_connect_object (tab_widget, "drag-leave",
G_CALLBACK (gimp_dockbook_tab_drag_leave),
dockable, 0);
g_signal_connect_object (tab_widget, "drag-motion",
G_CALLBACK (gimp_dockbook_tab_drag_motion),
dockable, 0);
g_signal_connect_object (tab_widget, "drag-drop",
G_CALLBACK (gimp_dockbook_tab_drag_drop),
dockbook, 0);
return tab_widget;
}
gboolean
gimp_dockbook_drop_dockable (GimpDockbook *dockbook,
GtkWidget *drag_source)
{
g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), FALSE);
if (drag_source)
{
GimpDockable *dockable =
gimp_dockbook_drag_source_to_dockable (drag_source);
if (dockable)
{
if (gimp_dockable_get_dockbook (dockable) == dockbook)
{
gtk_notebook_reorder_child (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable), -1);
}
else
{
g_object_ref (dockable);
gimp_dockbook_remove (gimp_dockable_get_dockbook (dockable), dockable);
gimp_dockbook_add (dockbook, dockable, -1);
g_object_unref (dockable);
}
return TRUE;
}
}
return FALSE;
}
/**
* gimp_dockable_set_drag_handler:
* @dockable:
* @handler:
*
* Set a drag handler that will be asked if it will handle drag events
* before the dockbook handles the event itself.
**/
void
gimp_dockbook_set_drag_handler (GimpDockbook *dockbook,
GimpPanedBox *drag_handler)
{
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
dockbook->p->drag_handler = drag_handler;
}
/**
* gimp_dockbook_drag_source_to_dockable:
* @drag_source: A drag-and-drop source widget
*
* Gets the dockable associated with a drag-and-drop source. If
* successfull, the function will also cleanup the dockable.
*
* Returns: The dockable
**/
GimpDockable *
gimp_dockbook_drag_source_to_dockable (GtkWidget *drag_source)
{
GimpDockable *dockable = NULL;
if (GIMP_IS_DOCKABLE (drag_source))
dockable = GIMP_DOCKABLE (drag_source);
else
dockable = g_object_get_data (G_OBJECT (drag_source),
"gimp-dockable");
if (dockable)
g_object_set_data (G_OBJECT (dockable),
"gimp-dock-drag-widget", NULL);
return dockable;
}
/* tab DND source side */
static void
gimp_dockbook_tab_drag_source_setup (GtkWidget *widget,
GimpDockable *dockable)
{
if (gimp_dockable_is_locked (dockable))
{
if (widget)
gtk_drag_source_unset (widget);
gtk_drag_source_unset (GTK_WIDGET (dockable));
}
else
{
if (widget)
gtk_drag_source_set (widget,
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
dialog_target_table,
G_N_ELEMENTS (dialog_target_table),
GDK_ACTION_MOVE);
gtk_drag_source_set (GTK_WIDGET (dockable),
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
dialog_target_table,
G_N_ELEMENTS (dialog_target_table),
GDK_ACTION_MOVE);
}
}
static void
gimp_dockbook_tab_drag_begin (GtkWidget *widget,
GdkDragContext *context,
GimpDockable *dockable)
{
GimpDock *dock;
GimpPanedBoxClass *paned_box_class;
GtkAllocation allocation;
GtkWidget *window;
GtkWidget *view;
GtkRequisition requisition;
gint drag_x;
gint drag_y;
dock = GIMP_DOCK (gimp_dockable_get_dockbook (dockable)->p->dock);
paned_box_class = GIMP_PANED_BOX_GET_CLASS (gimp_dock_get_vbox (dock));
gtk_widget_get_allocation (widget, &allocation);
window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_type_hint (GTK_WINDOW (window), GDK_WINDOW_TYPE_HINT_DND);
gtk_window_set_screen (GTK_WINDOW (window), gtk_widget_get_screen (widget));
view = gimp_dockable_get_drag_widget (dockable);
gtk_container_add (GTK_CONTAINER (window), view);
gtk_widget_show (view);
gtk_widget_size_request (view, &requisition);
if (requisition.width < allocation.width)
gtk_widget_set_size_request (view, allocation.width, -1);
gtk_widget_show (window);
g_object_set_data_full (G_OBJECT (dockable), "gimp-dock-drag-widget",
window,
(GDestroyNotify) gtk_widget_destroy);
gimp_dockable_get_drag_pos (dockable, &drag_x, &drag_y);
gtk_drag_set_icon_widget (context, window, drag_x, drag_y);
/*
* Set the source dockable insensitive to give a visual clue that
* it's the dockable that's being dragged around
*/
gtk_widget_set_sensitive (GTK_WIDGET (dockable), FALSE);
}
static void
gimp_dockbook_tab_drag_end (GtkWidget *widget,
GdkDragContext *context,
GimpDockable *dockable)
{
GimpDock *dock;
GimpPanedBoxClass *paned_box_class;
GtkWidget *drag_widget;
dock = GIMP_DOCK (gimp_dockable_get_dockbook (dockable)->p->dock);
paned_box_class = GIMP_PANED_BOX_GET_CLASS (gimp_dock_get_vbox (dock));
drag_widget = g_object_get_data (G_OBJECT (dockable),
"gimp-dock-drag-widget");
/* finding the drag_widget means the drop was not successful, so
* pop up a new dock and move the dockable there
*/
if (drag_widget)
{
g_object_set_data (G_OBJECT (dockable), "gimp-dock-drag-widget", NULL);
gimp_dockable_detach (dockable);
}
gimp_dockable_set_drag_pos (dockable,
GIMP_DOCKABLE_DRAG_OFFSET,
GIMP_DOCKABLE_DRAG_OFFSET);
gtk_widget_set_sensitive (GTK_WIDGET (dockable), TRUE);
}
/* tab DND target side */
static void
gimp_dockbook_tab_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time,
GimpDockable *dockable)
{
GimpDockbook *dockbook = gimp_dockable_get_dockbook (dockable);
gimp_dockbook_remove_tab_timeout (dockbook);
gimp_highlight_widget (widget, FALSE);
}
static gboolean
gimp_dockbook_tab_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
GimpDockable *dockable)
{
GimpDockbook *dockbook = gimp_dockable_get_dockbook (dockable);
GtkTargetList *target_list;
GdkAtom target_atom;
gboolean handle = FALSE;
/* If the handler will handle the drag, return FALSE */
if (gimp_paned_box_will_handle_drag (dockbook->p->drag_handler,
widget,
context,
x, y,
time))
{
handle = FALSE;
goto finish;
}
if (! dockbook->p->tab_hover_timeout ||
dockbook->p->tab_hover_dockable != dockable)
{
gint page_num;
gimp_dockbook_remove_tab_timeout (dockbook);
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable));
if (page_num != gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook)))
gimp_dockbook_add_tab_timeout (dockbook, dockable);
}
target_list = gtk_drag_dest_get_target_list (widget);
target_atom = gtk_drag_dest_find_target (widget, context, target_list);
handle = gtk_target_list_find (target_list, target_atom, NULL);
finish:
gdk_drag_status (context, handle ? GDK_ACTION_MOVE : 0, time);
gimp_highlight_widget (widget, handle);
return handle;
}
static gboolean
gimp_dockbook_tab_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GimpDockable *dest_dockable;
GtkWidget *source;
gboolean handle = FALSE;
dest_dockable = g_object_get_data (G_OBJECT (widget), "gimp-dockable");
source = gtk_drag_get_source_widget (context);
/* If the handler will handle the drag, return FALSE */
if (gimp_paned_box_will_handle_drag (gimp_dockable_get_drag_handler (dest_dockable),
widget,
context,
x, y,
time))
{
handle = FALSE;
goto finish;
}
if (dest_dockable && source)
{
GimpDockable *src_dockable =
gimp_dockbook_drag_source_to_dockable (source);
if (src_dockable)
{
gint dest_index;
dest_index =
gtk_notebook_page_num (GTK_NOTEBOOK (gimp_dockable_get_dockbook (dest_dockable)),
GTK_WIDGET (dest_dockable));
if (gimp_dockable_get_dockbook (src_dockable) !=
gimp_dockable_get_dockbook (dest_dockable))
{
g_object_ref (src_dockable);
gimp_dockbook_remove (gimp_dockable_get_dockbook (src_dockable), src_dockable);
gimp_dockbook_add (gimp_dockable_get_dockbook (dest_dockable), src_dockable,
dest_index);
g_object_unref (src_dockable);
handle = TRUE;
}
else if (src_dockable != dest_dockable)
{
gtk_notebook_reorder_child (GTK_NOTEBOOK (gimp_dockable_get_dockbook (src_dockable)),
GTK_WIDGET (src_dockable),
dest_index);
g_signal_emit (gimp_dockable_get_dockbook (src_dockable),
dockbook_signals[DOCKABLE_REORDERED], 0,
src_dockable);
handle = TRUE;
}
}
}
finish:
if (handle)
gtk_drag_finish (context, TRUE, TRUE, time);
return handle;
}
static void
gimp_dockbook_add_tab_timeout (GimpDockbook *dockbook,
GimpDockable *dockable)
{
dockbook->p->tab_hover_timeout =
g_timeout_add (TAB_HOVER_TIMEOUT,
(GSourceFunc) gimp_dockbook_tab_timeout,
dockbook);
dockbook->p->tab_hover_dockable = dockable;
}
static void
gimp_dockbook_remove_tab_timeout (GimpDockbook *dockbook)
{
if (dockbook->p->tab_hover_timeout)
{
g_source_remove (dockbook->p->tab_hover_timeout);
dockbook->p->tab_hover_timeout = 0;
dockbook->p->tab_hover_dockable = NULL;
}
}
static gboolean
gimp_dockbook_tab_timeout (GimpDockbook *dockbook)
{
gint page_num;
GDK_THREADS_ENTER ();
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockbook->p->tab_hover_dockable));
gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook), page_num);
dockbook->p->tab_hover_timeout = 0;
dockbook->p->tab_hover_dockable = NULL;
GDK_THREADS_LEAVE ();
return FALSE;
}
static void
gimp_dockbook_tab_locked_notify (GimpDockable *dockable,
GParamSpec *pspec,
GimpDockbook *dockbook)
{
GtkWidget *tab_widget;
tab_widget = gtk_notebook_get_tab_label (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable));
gimp_dockbook_tab_drag_source_setup (tab_widget, dockable);
}
static void
gimp_dockbook_help_func (const gchar *help_id,
gpointer help_data)
{
GimpDockbook *dockbook = GIMP_DOCKBOOK (help_data);
GtkWidget *dockable;
gint page_num;
page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook));
dockable = gtk_notebook_get_nth_page (GTK_NOTEBOOK (dockbook), page_num);
if (GIMP_IS_DOCKABLE (dockable))
gimp_standard_help_func (gimp_dockable_get_help_id (GIMP_DOCKABLE (dockable)),
NULL);
else
gimp_standard_help_func (GIMP_HELP_DOCK, NULL);
}
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