PIKApp/app/actions/window-actions.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
*
* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "actions-types.h"
#include "widgets/pikaactiongroup.h"
#include "widgets/pikahelp-ids.h"
#include "widgets/pikaradioaction.h"
#include "widgets/pikawidgets-utils.h"
#include "actions.h"
#include "window-actions.h"
#include "window-commands.h"
#include "pika-intl.h"
/* private functions */
static void window_actions_display_opened (GdkDisplayManager *manager,
GdkDisplay *display,
PikaActionGroup *group);
static void window_actions_display_closed (GdkDisplay *display,
gboolean is_error,
PikaActionGroup *group);
/* public functions */
void
window_actions_setup (PikaActionGroup *group,
const gchar *move_to_screen_help_id)
{
GdkDisplayManager *manager = gdk_display_manager_get ();
GSList *displays;
GSList *list;
g_object_set_data_full (G_OBJECT (group), "move-to-screen-help-id",
g_strdup (move_to_screen_help_id),
(GDestroyNotify) g_free);
g_object_set_data_full (G_OBJECT (group), "display-table",
g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free, NULL),
(GDestroyNotify) g_hash_table_unref);
displays = gdk_display_manager_list_displays (manager);
/* present displays in the order in which they were opened */
displays = g_slist_reverse (displays);
for (list = displays; list; list = g_slist_next (list))
{
window_actions_display_opened (manager, list->data, group);
}
g_slist_free (displays);
g_signal_connect_object (manager, "display-opened",
G_CALLBACK (window_actions_display_opened),
G_OBJECT (group), 0);
}
void
window_actions_update (PikaActionGroup *group,
GtkWidget *window)
{
const gchar *group_name;
gint show_menu = FALSE;
gchar *name;
group_name = pika_action_group_get_name (group);
#define SET_ACTIVE(action,active) \
pika_action_group_set_action_active (group, action, (active) != 0)
#define SET_VISIBLE(action,active) \
pika_action_group_set_action_visible (group, action, (active) != 0)
if (GTK_IS_WINDOW (window))
{
const gchar *display_name;
GdkDisplay *display;
#ifdef PIKA_UNSTABLE
show_menu = TRUE;
#endif /* !PIKA_UNSTABLE */
if (! show_menu)
{
GdkDisplayManager *manager = gdk_display_manager_get ();
GSList *displays;
displays = gdk_display_manager_list_displays (manager);
show_menu = (displays->next != NULL);
g_slist_free (displays);
}
display = gtk_widget_get_display (window);
display_name = gdk_display_get_name (display);
name = g_strdup_printf ("%s-move-to-screen-%s", group_name, display_name);
pika_make_valid_action_name (name);
SET_ACTIVE (name, TRUE);
g_free (name);
}
#undef SET_ACTIVE
#undef SET_VISIBLE
}
/* private functions */
static void
window_actions_display_opened (GdkDisplayManager *manager,
GdkDisplay *display,
PikaActionGroup *group)
{
GdkScreen *screen;
PikaAction *action;
GHashTable *displays;
const gchar *display_name;
const gchar *help_id;
const gchar *group_name;
GSList *radio_group;
gint count;
PikaRadioActionEntry entry = { 0 };
displays = g_object_get_data (G_OBJECT (group), "display-table");
display_name = gdk_display_get_name (display);
count = GPOINTER_TO_INT (g_hash_table_lookup (displays,
display_name));
g_hash_table_insert (displays, g_strdup (display_name),
GINT_TO_POINTER (count + 1));
/* don't add the same display twice */
if (count > 0)
return;
help_id = g_object_get_data (G_OBJECT (group), "change-to-screen-help-id");
group_name = pika_action_group_get_name (group);
screen = gdk_display_get_default_screen (display);
entry.name = g_strdup_printf ("%s-move-to-screen-%s",
group_name, display_name);
pika_make_valid_action_name ((gchar *) entry.name);
entry.icon_name = PIKA_ICON_WINDOW_MOVE_TO_SCREEN;
entry.label = g_strdup_printf (_("Screen %s"), display_name);
entry.accelerator[0] = NULL;
entry.tooltip = g_strdup_printf (_("Move this window to "
"screen %s"), display_name);
entry.value = g_quark_from_string (display_name);
entry.help_id = help_id;
radio_group = g_object_get_data (G_OBJECT (group),
"change-to-screen-radio-group");
radio_group = pika_action_group_add_radio_actions (group, NULL,
&entry, 1,
radio_group, 0,
window_move_to_screen_cmd_callback);
g_object_set_data (G_OBJECT (group), "change-to-screen-radio-group",
radio_group);
action = pika_action_group_get_action (group, entry.name);
if (action)
g_object_set_data (G_OBJECT (action), "screen", screen);
g_free ((gchar *) entry.name);
g_free ((gchar *) entry.tooltip);
g_free ((gchar *) entry.label);
g_signal_connect_object (display, "closed",
G_CALLBACK (window_actions_display_closed),
G_OBJECT (group), 0);
}
static void
window_actions_display_closed (GdkDisplay *display,
gboolean is_error,
PikaActionGroup *group)
{
PikaAction *action;
GHashTable *displays;
const gchar *display_name;
const gchar *group_name;
gchar *action_name;
gint count;
displays = g_object_get_data (G_OBJECT (group), "display-table");
display_name = gdk_display_get_name (display);
count = GPOINTER_TO_INT (g_hash_table_lookup (displays,
display_name));
/* don't remove the same display twice */
if (count > 1)
{
g_hash_table_insert (displays, g_strdup (display_name),
GINT_TO_POINTER (count - 1));
return;
}
g_hash_table_remove (displays, display_name);
group_name = pika_action_group_get_name (group);
action_name = g_strdup_printf ("%s-move-to-screen-%s",
group_name, display_name);
pika_make_valid_action_name (action_name);
action = pika_action_group_get_action (group, action_name);
if (action)
{
GSList *radio_group;
radio_group = pika_radio_action_get_group (PIKA_RADIO_ACTION (action));
if (radio_group->data == (gpointer) action)
radio_group = radio_group->next;
pika_action_group_remove_action (group, action);
g_object_set_data (G_OBJECT (group), "change-to-screen-radio-group",
radio_group);
}
g_free (action_name);
}