PIKApp/app/widgets/pikadockbook.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikadockbook.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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#undef GTK_DISABLE_DEPRECATED
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "config/pikaguiconfig.h"
#include "core/pika.h"
#include "core/pikacontext.h"
#include "menus/menus.h"
#include "pikaactiongroup.h"
#include "pikadialogfactory.h"
#include "pikadnd.h"
#include "pikadock.h"
#include "pikadockable.h"
#include "pikadockbook.h"
#include "pikadocked.h"
#include "pikadockcontainer.h"
#include "pikadockwindow.h"
#include "pikahelp-ids.h"
#include "pikamenufactory.h"
#include "pikapanedbox.h"
#include "pikastringaction.h"
#include "pikauimanager.h"
#include "pikaview.h"
#include "pikawidgets-utils.h"
#include "pika-log.h"
#include "pika-intl.h"
#define DEFAULT_TAB_ICON_SIZE GTK_ICON_SIZE_BUTTON
#define DND_WIDGET_ICON_SIZE GTK_ICON_SIZE_BUTTON
#define MENU_WIDGET_SPACING 4
#define TAB_HOVER_TIMEOUT 500
#define PIKA_DOCKABLE_DETACH_REF_KEY "pika-dockable-detach-ref"
enum
{
DOCKABLE_ADDED,
DOCKABLE_REMOVED,
DOCKABLE_REORDERED,
LAST_SIGNAL
};
typedef struct
{
PikaDockbookDragCallback callback;
gpointer data;
} PikaDockbookDragCallbackData;
struct _PikaDockbookPrivate
{
PikaDock *dock;
PikaUIManager *ui_manager;
guint tab_hover_timeout;
PikaDockable *tab_hover_dockable;
PikaPanedBox *drag_handler;
GtkWidget *menu_button;
};
static void pika_dockbook_style_updated (GtkWidget *widget);
static void pika_dockbook_drag_begin (GtkWidget *widget,
GdkDragContext *context);
static void pika_dockbook_drag_end (GtkWidget *widget,
GdkDragContext *context);
static gboolean pika_dockbook_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static gboolean pika_dockbook_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static gboolean pika_dockbook_popup_menu (GtkWidget *widget);
static GtkNotebook *pika_dockbook_create_window (GtkNotebook *notebook,
GtkWidget *page,
gint x,
gint y);
static void pika_dockbook_page_added (GtkNotebook *notebook,
GtkWidget *child,
guint page_num);
static void pika_dockbook_page_removed (GtkNotebook *notebook,
GtkWidget *child,
guint page_num);
static void pika_dockbook_page_reordered (GtkNotebook *notebook,
GtkWidget *child,
guint page_num);
static gboolean pika_dockbook_menu_button_press (PikaDockbook *dockbook,
GdkEventButton *bevent,
GtkWidget *button);
static gboolean pika_dockbook_show_menu (PikaDockbook *dockbook);
static void pika_dockbook_menu_end (PikaDockable *dockable);
static void pika_dockbook_tab_locked_notify (PikaDockable *dockable,
GParamSpec *pspec,
PikaDockbook *dockbook);
static void pika_dockbook_help_func (const gchar *help_id,
gpointer help_data);
G_DEFINE_TYPE_WITH_PRIVATE (PikaDockbook, pika_dockbook, GTK_TYPE_NOTEBOOK)
#define parent_class pika_dockbook_parent_class
static guint dockbook_signals[LAST_SIGNAL] = { 0 };
static const GtkTargetEntry dialog_target_table[] = { PIKA_TARGET_NOTEBOOK_TAB };
static GList *drag_callbacks = NULL;
static void
pika_dockbook_class_init (PikaDockbookClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkNotebookClass *notebook_class = GTK_NOTEBOOK_CLASS (klass);
dockbook_signals[DOCKABLE_ADDED] =
g_signal_new ("dockable-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaDockbookClass, dockable_added),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_DOCKABLE);
dockbook_signals[DOCKABLE_REMOVED] =
g_signal_new ("dockable-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaDockbookClass, dockable_removed),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_DOCKABLE);
dockbook_signals[DOCKABLE_REORDERED] =
g_signal_new ("dockable-reordered",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaDockbookClass, dockable_reordered),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_DOCKABLE);
widget_class->style_updated = pika_dockbook_style_updated;
widget_class->drag_begin = pika_dockbook_drag_begin;
widget_class->drag_end = pika_dockbook_drag_end;
widget_class->drag_motion = pika_dockbook_drag_motion;
widget_class->drag_drop = pika_dockbook_drag_drop;
widget_class->popup_menu = pika_dockbook_popup_menu;
notebook_class->create_window = pika_dockbook_create_window;
notebook_class->page_added = pika_dockbook_page_added;
notebook_class->page_removed = pika_dockbook_page_removed;
notebook_class->page_reordered = pika_dockbook_page_reordered;
klass->dockable_added = NULL;
klass->dockable_removed = NULL;
klass->dockable_reordered = NULL;
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,
PIKA_PARAM_READABLE));
}
static void
pika_dockbook_init (PikaDockbook *dockbook)
{
GtkNotebook *notebook = GTK_NOTEBOOK (dockbook);
GtkWidget *image;
dockbook->p = pika_dockbook_get_instance_private (dockbook);
/* Various init */
gtk_notebook_popup_enable (notebook);
gtk_notebook_set_scrollable (notebook, TRUE);
gtk_notebook_set_show_border (notebook, FALSE);
gtk_notebook_set_show_tabs (notebook, TRUE);
gtk_notebook_set_group_name (notebook, "pika-dockbook");
gtk_drag_dest_set (GTK_WIDGET (dockbook),
0,
dialog_target_table, G_N_ELEMENTS (dialog_target_table),
GDK_ACTION_MOVE);
/* Menu button */
dockbook->p->menu_button = gtk_button_new ();
gtk_widget_set_can_focus (dockbook->p->menu_button, FALSE);
gtk_button_set_relief (GTK_BUTTON (dockbook->p->menu_button),
GTK_RELIEF_NONE);
gtk_notebook_set_action_widget (notebook,
dockbook->p->menu_button,
GTK_PACK_END);
gtk_widget_show (dockbook->p->menu_button);
image = gtk_image_new_from_icon_name (PIKA_ICON_MENU_LEFT,
GTK_ICON_SIZE_MENU);
gtk_image_set_pixel_size (GTK_IMAGE (image), 12);
gtk_image_set_from_icon_name (GTK_IMAGE (image), PIKA_ICON_MENU_LEFT,
GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (dockbook->p->menu_button), image);
gtk_widget_show (image);
pika_help_set_help_data (dockbook->p->menu_button, _("Configure this tab"),
PIKA_HELP_DOCK_TAB_MENU);
g_signal_connect_swapped (dockbook->p->menu_button, "button-press-event",
G_CALLBACK (pika_dockbook_menu_button_press),
dockbook);
}
static void
pika_dockbook_style_updated (GtkWidget *widget)
{
PikaDockbook *dockbook = PIKA_DOCKBOOK (widget);
PikaContext *context;
GtkWidget *tab_widget;
GList *children;
GList *iter;
GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
if (! dockbook->p->dock ||
! (context = pika_dock_get_context (dockbook->p->dock)))
return;
children = gtk_container_get_children (GTK_CONTAINER (dockbook));
for (iter = children; iter; iter = g_list_next (iter))
{
PikaDockable *dockable = PIKA_DOCKABLE (iter->data);
tab_widget = pika_dockbook_create_tab_widget (dockbook, dockable);
gtk_notebook_set_tab_label (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable),
tab_widget);
}
g_list_free (children);
pika_dock_invalidate_geometry (PIKA_DOCK (dockbook->p->dock));
}
static void
pika_dockbook_drag_begin (GtkWidget *widget,
GdkDragContext *context)
{
GList *iter;
if (GTK_WIDGET_CLASS (parent_class)->drag_begin)
GTK_WIDGET_CLASS (parent_class)->drag_begin (widget, context);
iter = drag_callbacks;
while (iter)
{
PikaDockbookDragCallbackData *callback_data = iter->data;
iter = g_list_next (iter);
callback_data->callback (context, TRUE, callback_data->data);
}
}
static void
pika_dockbook_drag_end (GtkWidget *widget,
GdkDragContext *context)
{
GList *iter;
iter = drag_callbacks;
while (iter)
{
PikaDockbookDragCallbackData *callback_data = iter->data;
iter = g_list_next (iter);
callback_data->callback (context, FALSE, callback_data->data);
}
if (GTK_WIDGET_CLASS (parent_class)->drag_end)
GTK_WIDGET_CLASS (parent_class)->drag_end (widget, context);
}
static gboolean
pika_dockbook_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
PikaDockbook *dockbook = PIKA_DOCKBOOK (widget);
if (pika_paned_box_will_handle_drag (dockbook->p->drag_handler,
widget,
context,
x, y,
time))
{
gdk_drag_status (context, 0, time);
return FALSE;
}
return GTK_WIDGET_CLASS (parent_class)->drag_motion (widget, context,
x, y, time);
}
static gboolean
pika_dockbook_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
PikaDockbook *dockbook = PIKA_DOCKBOOK (widget);
if (pika_paned_box_will_handle_drag (dockbook->p->drag_handler,
widget,
context,
x, y,
time))
{
return FALSE;
}
if (widget == gtk_drag_get_source_widget (context))
{
GList *children = gtk_container_get_children (GTK_CONTAINER (widget));
gint n_children = g_list_length (children);
g_list_free (children);
/* we dragged the only tab, and want to drop it back on the same
* notebook, this would remove and add the page, causing the
* dockbook to be destroyed in the process because it becomes
* empty
*/
if (n_children == 1)
return FALSE;
}
return GTK_WIDGET_CLASS (parent_class)->drag_drop (widget, context,
x, y, time);
}
static gboolean
pika_dockbook_popup_menu (GtkWidget *widget)
{
return pika_dockbook_show_menu (PIKA_DOCKBOOK (widget));
}
static GtkNotebook *
pika_dockbook_create_window (GtkNotebook *notebook,
GtkWidget *page,
gint x,
gint y)
{
PikaDockbook *dockbook = PIKA_DOCKBOOK (notebook);
PikaDialogFactory *dialog_factory;
PikaMenuFactory *menu_factory;
PikaDockWindow *src_dock_window;
PikaDock *src_dock;
GtkWidget *new_dock;
PikaDockWindow *new_dock_window;
GtkWidget *new_dockbook;
src_dock = pika_dockbook_get_dock (dockbook);
src_dock_window = pika_dock_window_from_dock (src_dock);
dialog_factory = pika_dock_get_dialog_factory (src_dock);
menu_factory = menus_get_global_menu_factory (pika_dialog_factory_get_context (dialog_factory)->pika);
new_dock = pika_dock_with_window_new (dialog_factory,
pika_widget_get_monitor (page),
FALSE);
new_dock_window = pika_dock_window_from_dock (PIKA_DOCK (new_dock));
gtk_window_set_position (GTK_WINDOW (new_dock_window), GTK_WIN_POS_MOUSE);
if (src_dock_window)
pika_dock_window_setup (new_dock_window, src_dock_window);
new_dockbook = pika_dockbook_new (menu_factory);
pika_dock_add_book (PIKA_DOCK (new_dock), PIKA_DOCKBOOK (new_dockbook), 0);
gtk_widget_show (GTK_WIDGET (new_dock_window));
gtk_widget_show (new_dock);
return GTK_NOTEBOOK (new_dockbook);
}
static void
pika_dockbook_page_added (GtkNotebook *notebook,
GtkWidget *child,
guint page_num)
{
PikaDockbook *dockbook = PIKA_DOCKBOOK (notebook);
PikaDockable *dockable = PIKA_DOCKABLE (child);
GtkWidget *tab_widget;
GtkWidget *menu_widget;
PIKA_LOG (DND, "PikaDockable %p added to PikaDockbook %p",
dockable, dockbook);
tab_widget = pika_dockbook_create_tab_widget (dockbook, dockable);
/* For the notebook right-click menu, always use the icon style */
menu_widget =
pika_dockable_create_tab_widget (dockable,
pika_dock_get_context (dockbook->p->dock),
PIKA_TAB_STYLE_ICON_BLURB,
GTK_ICON_SIZE_MENU);
gtk_notebook_set_tab_label (notebook, child, tab_widget);
gtk_notebook_set_menu_label (notebook, child, menu_widget);
if (! pika_dockable_get_locked (dockable))
{
gtk_notebook_set_tab_reorderable (notebook, child, TRUE);
gtk_notebook_set_tab_detachable (notebook, child, TRUE);
}
pika_dockable_set_dockbook (dockable, dockbook);
pika_dockable_set_context (dockable,
pika_dock_get_context (dockbook->p->dock));
g_signal_connect (dockable, "notify::locked",
G_CALLBACK (pika_dockbook_tab_locked_notify),
dockbook);
gtk_widget_show (child);
gtk_notebook_set_current_page (notebook, page_num);
g_signal_emit (dockbook, dockbook_signals[DOCKABLE_ADDED], 0, dockable);
}
static void
pika_dockbook_page_removed (GtkNotebook *notebook,
GtkWidget *child,
guint page_num)
{
PikaDockbook *dockbook = PIKA_DOCKBOOK (notebook);
PikaDockable *dockable = PIKA_DOCKABLE (child);
PIKA_LOG (DND, "PikaDockable removed %p from PikaDockbook %p",
dockable, dockbook);
g_signal_handlers_disconnect_by_func (dockable,
G_CALLBACK (pika_dockbook_tab_locked_notify),
dockbook);
pika_dockable_set_dockbook (dockable, NULL);
pika_dockable_set_context (dockable, NULL);
g_signal_emit (dockbook, dockbook_signals[DOCKABLE_REMOVED], 0, dockable);
if (dockbook->p->dock)
{
GList *children = gtk_container_get_children (GTK_CONTAINER (dockbook));
if (! children)
pika_dock_remove_book (dockbook->p->dock, dockbook);
g_list_free (children);
}
}
static void
pika_dockbook_page_reordered (GtkNotebook *notebook,
GtkWidget *child,
guint page_num)
{
}
static gboolean
pika_dockbook_menu_button_press (PikaDockbook *dockbook,
GdkEventButton *bevent,
GtkWidget *button)
{
gboolean handled = FALSE;
if (bevent->button == 1 && bevent->type == GDK_BUTTON_PRESS)
handled = pika_dockbook_show_menu (dockbook);
return handled;
}
static gboolean
pika_dockbook_show_menu (PikaDockbook *dockbook)
{
PikaUIManager *dockbook_ui_manager;
PikaUIManager *dialog_ui_manager;
const gchar *dialog_ui_path;
gpointer dialog_popup_data;
PikaDockable *dockable;
gint page_num;
dockbook_ui_manager = dockbook->p->ui_manager;
if (! dockbook_ui_manager)
return FALSE;
page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook));
dockable = PIKA_DOCKABLE (gtk_notebook_get_nth_page (GTK_NOTEBOOK (dockbook),
page_num));
if (! dockable)
return FALSE;
dialog_ui_manager = pika_dockable_get_menu (dockable,
&dialog_ui_path,
&dialog_popup_data);
/* an action callback may destroy both dockable and dockbook, so
* reference them for pika_dockbook_menu_end()
*/
g_object_ref (dockable);
g_object_set_data_full (G_OBJECT (dockable), PIKA_DOCKABLE_DETACH_REF_KEY,
g_object_ref (dockbook),
g_object_unref);
if (dialog_ui_manager)
pika_ui_manager_update (dialog_ui_manager, dialog_popup_data);
pika_ui_manager_update (dockbook_ui_manager, dockable);
pika_ui_manager_ui_popup_at_widget (dockbook_ui_manager,
"/dockable-popup",
dialog_ui_manager,
dialog_ui_path,
dockbook->p->menu_button,
GDK_GRAVITY_WEST,
GDK_GRAVITY_NORTH_EAST,
NULL,
(GDestroyNotify) pika_dockbook_menu_end,
dockable);
return TRUE;
}
static void
pika_dockbook_menu_end (PikaDockable *dockable)
{
/* release pika_dockbook_show_menu()'s references */
g_object_set_data (G_OBJECT (dockable), PIKA_DOCKABLE_DETACH_REF_KEY, NULL);
g_object_unref (dockable);
}
/* public functions */
GtkWidget *
pika_dockbook_new (PikaMenuFactory *menu_factory)
{
PikaDockbook *dockbook;
g_return_val_if_fail (PIKA_IS_MENU_FACTORY (menu_factory), NULL);
dockbook = g_object_new (PIKA_TYPE_DOCKBOOK, NULL);
dockbook->p->ui_manager = pika_menu_factory_get_manager (menu_factory,
"<Dockable>",
dockbook);
pika_help_connect (GTK_WIDGET (dockbook), pika_dockbook_help_func,
PIKA_HELP_DOCK, dockbook, NULL);
return GTK_WIDGET (dockbook);
}
PikaDock *
pika_dockbook_get_dock (PikaDockbook *dockbook)
{
g_return_val_if_fail (PIKA_IS_DOCKBOOK (dockbook), NULL);
return dockbook->p->dock;
}
void
pika_dockbook_set_dock (PikaDockbook *dockbook,
PikaDock *dock)
{
PikaContext *context;
g_return_if_fail (PIKA_IS_DOCKBOOK (dockbook));
g_return_if_fail (dock == NULL || PIKA_IS_DOCK (dock));
if (dockbook->p->dock &&
(context = pika_dock_get_context (dockbook->p->dock)) != NULL)
{
g_signal_handlers_disconnect_by_func (PIKA_GUI_CONFIG (context->pika->config),
G_CALLBACK (pika_dockbook_style_updated),
dockbook);
}
dockbook->p->dock = dock;
if (dockbook->p->dock &&
(context = pika_dock_get_context (dockbook->p->dock)) != NULL)
{
g_signal_connect_object (PIKA_GUI_CONFIG (context->pika->config),
"notify::theme",
G_CALLBACK (pika_dockbook_style_updated),
dockbook, G_CONNECT_AFTER | G_CONNECT_SWAPPED);
g_signal_connect_object (PIKA_GUI_CONFIG (context->pika->config),
"notify::override-theme-icon-size",
G_CALLBACK (pika_dockbook_style_updated),
dockbook, G_CONNECT_AFTER | G_CONNECT_SWAPPED);
g_signal_connect_object (PIKA_GUI_CONFIG (context->pika->config),
"notify::custom-icon-size",
G_CALLBACK (pika_dockbook_style_updated),
dockbook, G_CONNECT_AFTER | G_CONNECT_SWAPPED);
}
}
/**
* pika_dockbook_add_from_dialog_factory:
* @dockbook: The #DockBook
* @identifiers: The dockable identifier(s)
*
* Add a dockable from the dialog factory associated with the dockbook.
**/
GtkWidget *
pika_dockbook_add_from_dialog_factory (PikaDockbook *dockbook,
const gchar *identifiers)
{
GtkWidget *dockable;
PikaDock *dock;
gchar *identifier;
gchar *p;
g_return_val_if_fail (PIKA_IS_DOCKBOOK (dockbook), NULL);
g_return_val_if_fail (identifiers != NULL, NULL);
identifier = g_strdup (identifiers);
p = strchr (identifier, '|');
if (p)
*p = '\0';
dock = pika_dockbook_get_dock (dockbook);
dockable = pika_dialog_factory_dockable_new (pika_dock_get_dialog_factory (dock),
dock,
identifier, -1);
g_free (identifier);
/* Maybe pika_dialog_factory_dockable_new() returned an already
* existing singleton dockable, so check if it already is
* attached to a dockbook.
*/
if (dockable && ! pika_dockable_get_dockbook (PIKA_DOCKABLE (dockable)))
gtk_notebook_append_page (GTK_NOTEBOOK (dockbook),
dockable, NULL);
return dockable;
}
/**
* pika_dockbook_update_with_context:
* @dockbook:
* @context:
*
* Set @context on all dockables in @dockbook.
**/
void
pika_dockbook_update_with_context (PikaDockbook *dockbook,
PikaContext *context)
{
GList *children = gtk_container_get_children (GTK_CONTAINER (dockbook));
GList *iter;
for (iter = children; iter; iter = g_list_next (iter))
{
PikaDockable *dockable = PIKA_DOCKABLE (iter->data);
pika_dockable_set_context (dockable, context);
}
g_list_free (children);
}
GtkWidget *
pika_dockbook_create_tab_widget (PikaDockbook *dockbook,
PikaDockable *dockable)
{
GtkWidget *tab_widget;
PikaDockWindow *dock_window;
PikaAction *action = NULL;
GtkIconSize tab_size = DEFAULT_TAB_ICON_SIZE;
gtk_widget_style_get (GTK_WIDGET (dockbook),
"tab-icon-size", &tab_size,
NULL);
tab_widget =
pika_dockable_create_tab_widget (dockable,
pika_dock_get_context (dockbook->p->dock),
pika_dockable_get_tab_style (dockable),
tab_size);
if (PIKA_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 = pika_dock_window_from_dock (dockbook->p->dock);
if (dock_window &&
pika_dock_container_get_ui_manager (PIKA_DOCK_CONTAINER (dock_window)))
{
const gchar *dialog_id;
dialog_id = g_object_get_data (G_OBJECT (dockable),
"pika-dialog-identifier");
if (dialog_id)
{
PikaDockContainer *dock_container;
PikaActionGroup *group;
dock_container = PIKA_DOCK_CONTAINER (dock_window);
group = pika_ui_manager_get_action_group
(pika_dock_container_get_ui_manager (dock_container), "dialogs");
if (group)
{
GList *actions;
GList *list;
actions = pika_action_group_list_actions (group);
for (list = actions; list; list = g_list_next (list))
{
if (PIKA_IS_STRING_ACTION (list->data) &&
strstr (PIKA_STRING_ACTION (list->data)->value,
dialog_id))
{
action = list->data;
break;
}
}
g_list_free (actions);
}
}
}
if (action)
pika_widget_set_accel_help (tab_widget, action);
else
pika_help_set_help_data (tab_widget,
pika_dockable_get_blurb (dockable),
pika_dockable_get_help_id (dockable));
return tab_widget;
}
/**
* pika_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
pika_dockbook_set_drag_handler (PikaDockbook *dockbook,
PikaPanedBox *drag_handler)
{
g_return_if_fail (PIKA_IS_DOCKBOOK (dockbook));
dockbook->p->drag_handler = drag_handler;
}
void
pika_dockbook_add_drag_callback (PikaDockbookDragCallback callback,
gpointer data)
{
PikaDockbookDragCallbackData *callback_data;
callback_data = g_slice_new (PikaDockbookDragCallbackData);
callback_data->callback = callback;
callback_data->data = data;
drag_callbacks = g_list_prepend (drag_callbacks, callback_data);
}
void
pika_dockbook_remove_drag_callback (PikaDockbookDragCallback callback,
gpointer data)
{
GList *iter;
iter = drag_callbacks;
while (iter)
{
PikaDockbookDragCallbackData *callback_data = iter->data;
GList *next = g_list_next (iter);
if (callback_data->callback == callback &&
callback_data->data == data)
{
g_slice_free (PikaDockbookDragCallbackData, callback_data);
drag_callbacks = g_list_delete_link (drag_callbacks, iter);
}
iter = next;
}
}
/* private functions */
static void
pika_dockbook_tab_locked_notify (PikaDockable *dockable,
GParamSpec *pspec,
PikaDockbook *dockbook)
{
gboolean locked = pika_dockable_get_locked (dockable);
gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable), ! locked);
gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable), ! locked);
}
static void
pika_dockbook_help_func (const gchar *help_id,
gpointer help_data)
{
PikaDockbook *dockbook = PIKA_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 (PIKA_IS_DOCKABLE (dockable))
pika_standard_help_func (pika_dockable_get_help_id (PIKA_DOCKABLE (dockable)),
NULL);
else
pika_standard_help_func (PIKA_HELP_DOCK, NULL);
}