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Gimp/app/display/gimpdisplayshell-close.c
Jehan 38d0abc026 app: prevent multiple registrations of a same action. 
Pre-GIMP-3.0 code logics would re-allocate several GimpMenuFactory or
GimpUIManager for no good reason. While it was still working with old GtkAction
code, with our new GAction-based code, we were ending up overriding an action
with a new version of the same action, while keeping reference to old actions.
This made for discrepancies of the enabled or visible state of actions.

The new code keeps singleton of some objects and references to already
registered GimpUIManager or GimpActionGroups objects and make sure no actions
with the same name are created twice.
2023-04-12 22:07:09 +02:00

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/* GIMP - The GNU Image Manipulation Program
* 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 <time.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "display-types.h"
#include "config/gimpdisplayconfig.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "menus/menus.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpmessagebox.h"
#include "widgets/gimpmessagedialog.h"
#include "widgets/gimpuimanager.h"
#include "widgets/gimpwidgets-utils.h"
#include "gimpdisplay.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-close.h"
#include "gimpimagewindow.h"
#include "gimp-intl.h"
/* local function prototypes */
static void gimp_display_shell_close_dialog (GimpDisplayShell *shell,
GimpImage *image);
static void gimp_display_shell_close_name_changed (GimpImage *image,
GimpMessageBox *box);
static void gimp_display_shell_close_exported (GimpImage *image,
GFile *file,
GimpMessageBox *box);
static gboolean gimp_display_shell_close_time_changed (GimpMessageBox *box);
static void gimp_display_shell_close_response (GtkWidget *widget,
gboolean close,
GimpDisplayShell *shell);
static void gimp_display_shell_close_accel_marshal(GClosure *closure,
GValue *return_value,
guint n_param_values,
const GValue *param_values,
gpointer invocation_hint,
gpointer marshal_data);
static void gimp_time_since (gint64 then,
gint *hours,
gint *minutes);
/* public functions */
void
gimp_display_shell_close (GimpDisplayShell *shell,
gboolean kill_it)
{
GimpImage *image;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
image = gimp_display_get_image (shell->display);
/* FIXME: gimp_busy HACK not really appropriate here because we only
* want to prevent the busy image and display to be closed. --Mitch
*/
if (shell->display->gimp->busy)
return;
/* If the image has been modified, give the user a chance to save
* it before nuking it--this only applies if its the last view
* to an image canvas. (a image with disp_count = 1)
*/
if (! kill_it &&
image &&
gimp_image_get_display_count (image) == 1 &&
gimp_image_is_dirty (image))
{
/* If there's a save dialog active for this image, then raise it.
* (see bug #511965)
*/
GtkWidget *dialog = g_object_get_data (G_OBJECT (image),
"gimp-file-save-dialog");
if (dialog)
{
gtk_window_present (GTK_WINDOW (dialog));
}
else
{
gimp_display_shell_close_dialog (shell, image);
}
}
else if (image)
{
gimp_display_close (shell->display);
}
else
{
GimpImageWindow *window = gimp_display_shell_get_window (shell);
if (window)
{
GimpUIManager *manager = menus_get_image_manager_singleton (shell->display->gimp);
/* Activate the action instead of simply calling gimp_exit(), so
* the quit action's sensitivity is taken into account.
*/
gimp_ui_manager_activate_action (manager, "file", "file-quit");
}
}
}
/* private functions */
#define RESPONSE_SAVE 1
static void
gimp_display_shell_close_dialog (GimpDisplayShell *shell,
GimpImage *image)
{
GtkWidget *dialog;
GimpMessageBox *box;
GtkWidget *label;
GtkAccelGroup *accel_group;
GClosure *closure;
GSource *source;
guint accel_key;
GdkModifierType accel_mods;
gchar *title;
gchar *accel_string;
gchar *hint;
gchar *markup;
GFile *file;
if (shell->close_dialog)
{
gtk_window_present (GTK_WINDOW (shell->close_dialog));
return;
}
file = gimp_image_get_file (image);
title = g_strdup_printf (_("Close %s"), gimp_image_get_display_name (image));
shell->close_dialog =
dialog = gimp_message_dialog_new (title, GIMP_ICON_DOCUMENT_SAVE,
GTK_WIDGET (shell),
GTK_DIALOG_DESTROY_WITH_PARENT,
gimp_standard_help_func, NULL,
file ?
_("_Save") :
_("Save _As"), RESPONSE_SAVE,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Discard Changes"), GTK_RESPONSE_CLOSE,
NULL);
g_free (title);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);
gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
RESPONSE_SAVE,
GTK_RESPONSE_CLOSE,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&shell->close_dialog);
g_signal_connect (dialog, "response",
G_CALLBACK (gimp_display_shell_close_response),
shell);
/* connect <Primary>D to the quit/close button */
accel_group = gtk_accel_group_new ();
gtk_window_add_accel_group (GTK_WINDOW (shell->close_dialog), accel_group);
g_object_unref (accel_group);
closure = g_closure_new_object (sizeof (GClosure),
G_OBJECT (shell->close_dialog));
g_closure_set_marshal (closure, gimp_display_shell_close_accel_marshal);
gtk_accelerator_parse ("<Primary>D", &accel_key, &accel_mods);
gtk_accel_group_connect (accel_group, accel_key, accel_mods, 0, closure);
box = GIMP_MESSAGE_DIALOG (dialog)->box;
accel_string = gtk_accelerator_get_label (accel_key, accel_mods);
hint = g_strdup_printf (_("Press %s to discard all changes and close the image."),
accel_string);
markup = g_strdup_printf ("<i><small>%s</small></i>", hint);
label = gtk_label_new (NULL);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_label_set_markup (GTK_LABEL (label), markup);
gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
gtk_widget_show (label);
g_free (markup);
g_free (hint);
g_free (accel_string);
g_signal_connect_object (image, "name-changed",
G_CALLBACK (gimp_display_shell_close_name_changed),
box, 0);
g_signal_connect_object (image, "exported",
G_CALLBACK (gimp_display_shell_close_exported),
box, 0);
gimp_display_shell_close_name_changed (image, box);
closure =
g_cclosure_new_object (G_CALLBACK (gimp_display_shell_close_time_changed),
G_OBJECT (box));
/* update every 10 seconds */
source = g_timeout_source_new_seconds (10);
g_source_set_closure (source, closure);
g_source_attach (source, NULL);
g_source_unref (source);
/* The dialog is destroyed with the shell, so it should be safe
* to hold an image pointer for the lifetime of the dialog.
*/
g_object_set_data (G_OBJECT (box), "gimp-image", image);
gimp_display_shell_close_time_changed (box);
gtk_widget_show (dialog);
}
static void
gimp_display_shell_close_name_changed (GimpImage *image,
GimpMessageBox *box)
{
GtkWidget *window = gtk_widget_get_toplevel (GTK_WIDGET (box));
if (GTK_IS_WINDOW (window))
{
gchar *title = g_strdup_printf (_("Close %s"),
gimp_image_get_display_name (image));
gtk_window_set_title (GTK_WINDOW (window), title);
g_free (title);
}
gimp_message_box_set_primary_text (box,
_("Save the changes to image '%s' "
"before closing?"),
gimp_image_get_display_name (image));
}
static void
gimp_display_shell_close_exported (GimpImage *image,
GFile *file,
GimpMessageBox *box)
{
gimp_display_shell_close_time_changed (box);
}
static gboolean
gimp_display_shell_close_time_changed (GimpMessageBox *box)
{
GimpImage *image = g_object_get_data (G_OBJECT (box), "gimp-image");
gint64 dirty_time = gimp_image_get_dirty_time (image);
gchar *time_text = NULL;
gchar *export_text = NULL;
if (dirty_time)
{
gint hours = 0;
gint minutes = 0;
gimp_time_since (dirty_time, &hours, &minutes);
if (hours > 0)
{
if (hours > 1 || minutes == 0)
{
time_text =
g_strdup_printf (ngettext ("If you don't save the image, "
"changes from the last hour "
"will be lost.",
"If you don't save the image, "
"changes from the last %d "
"hours will be lost.",
hours), hours);
}
else
{
time_text =
g_strdup_printf (ngettext ("If you don't save the image, "
"changes from the last hour "
"and %d minute will be lost.",
"If you don't save the image, "
"changes from the last hour "
"and %d minutes will be lost.",
minutes), minutes);
}
}
else
{
time_text =
g_strdup_printf (ngettext ("If you don't save the image, "
"changes from the last minute "
"will be lost.",
"If you don't save the image, "
"changes from the last %d "
"minutes will be lost.",
minutes), minutes);
}
}
if (! gimp_image_is_export_dirty (image))
{
GFile *file;
file = gimp_image_get_exported_file (image);
if (! file)
file = gimp_image_get_imported_file (image);
export_text = g_strdup_printf (_("The image has been exported to '%s'."),
gimp_file_get_utf8_name (file));
}
if (time_text && export_text)
gimp_message_box_set_text (box, "%s\n\n%s", time_text, export_text);
else if (time_text || export_text)
gimp_message_box_set_text (box, "%s", time_text ? time_text : export_text);
else
gimp_message_box_set_text (box, "%s", time_text);
g_free (time_text);
g_free (export_text);
return TRUE;
}
static void
gimp_display_shell_close_response (GtkWidget *widget,
gint response_id,
GimpDisplayShell *shell)
{
gtk_widget_destroy (widget);
switch (response_id)
{
case GTK_RESPONSE_CLOSE:
gimp_display_close (shell->display);
break;
case RESPONSE_SAVE:
{
GimpImageWindow *window = gimp_display_shell_get_window (shell);
if (window)
{
GimpUIManager *manager = menus_get_image_manager_singleton (shell->display->gimp);
gimp_image_window_set_active_shell (window, shell);
gimp_ui_manager_activate_action (manager,
"file", "file-save-and-close");
}
}
break;
default:
break;
}
}
static void
gimp_display_shell_close_accel_marshal (GClosure *closure,
GValue *return_value,
guint n_param_values,
const GValue *param_values,
gpointer invocation_hint,
gpointer marshal_data)
{
gtk_dialog_response (GTK_DIALOG (closure->data), GTK_RESPONSE_CLOSE);
/* we handled the accelerator */
g_value_set_boolean (return_value, TRUE);
}
static void
gimp_time_since (gint64 then,
gint *hours,
gint *minutes)
{
gint64 now = time (NULL);
gint64 diff = 1 + now - then;
g_return_if_fail (now >= then);
/* first round up to the nearest minute */
diff = (diff + 59) / 60;
/* then optionally round minutes to multiples of 5 or 10 */
if (diff > 50)
diff = ((diff + 8) / 10) * 10;
else if (diff > 20)
diff = ((diff + 3) / 5) * 5;
/* determine full hours */
if (diff >= 60)
{
*hours = diff / 60;
diff = (diff % 60);
}
/* round up to full hours for 2 and more */
if (*hours > 1 && diff > 0)
{
*hours += 1;
diff = 0;
}
*minutes = diff;
}
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