Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 442 insertions, 0 deletions

diff --git a/app/gui/gui-unique.c b/app/gui/gui-unique.c
new file mode 100644
index 0000000..c54a05b
--- /dev/null
+++ b/app/gui/gui-unique.c
@@ -0,0 +1,442 @@
+/* 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 <gegl.h>
+#include <gtk/gtk.h>
+
+#ifdef G_OS_WIN32
+#include <windows.h>
+#endif
+
+#ifdef GDK_WINDOWING_QUARTZ
+#import <AppKit/AppKit.h>
+#include <gtkosxapplication.h>
+#endif
+
+#include "gui/gui-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontainer.h"
+
+#include "display/gimpdisplay.h"
+#include "display/gimpdisplayshell.h"
+#include "display/gimpimagewindow.h"
+
+#include "file/file-open.h"
+
+#include "gimpdbusservice.h"
+#include "gui-unique.h"
+
+
+#ifdef G_OS_WIN32
+
+static void  gui_unique_win32_init (Gimp *gimp);
+static void  gui_unique_win32_exit (void);
+
+static Gimp *unique_gimp  = NULL;
+static HWND  proxy_window = NULL;
+
+#elif defined (GDK_WINDOWING_QUARTZ)
+
+static void gui_unique_quartz_init (Gimp *gimp);
+static void gui_unique_quartz_exit (void);
+
+@interface GimpAppleEventHandler : NSObject {}
+- (void) handleEvent:(NSAppleEventDescriptor *) inEvent
+        andReplyWith:(NSAppleEventDescriptor *) replyEvent;
+@end
+
+static Gimp                   *unique_gimp   = NULL;
+static GimpAppleEventHandler  *event_handler = NULL;
+
+#else
+
+static void  gui_dbus_service_init (Gimp *gimp);
+static void  gui_dbus_service_exit (void);
+
+static GDBusObjectManagerServer *dbus_manager = NULL;
+static guint                     dbus_name_id = 0;
+
+#endif
+
+
+void
+gui_unique_init (Gimp *gimp)
+{
+#ifdef G_OS_WIN32
+  gui_unique_win32_init (gimp);
+#elif defined (GDK_WINDOWING_QUARTZ)
+  gui_unique_quartz_init (gimp);
+#else
+  gui_dbus_service_init (gimp);
+#endif
+}
+
+void
+gui_unique_exit (void)
+{
+#ifdef G_OS_WIN32
+  gui_unique_win32_exit ();
+#elif defined (GDK_WINDOWING_QUARTZ)
+  gui_unique_quartz_exit ();
+#else
+  gui_dbus_service_exit ();
+#endif
+}
+
+
+#ifdef G_OS_WIN32
+
+typedef struct
+{
+  GFile    *file;
+  gboolean  as_new;
+} IdleOpenData;
+
+static IdleOpenData *
+idle_open_data_new (GFile    *file,
+                    gboolean  as_new)
+{
+  IdleOpenData *data = g_slice_new0 (IdleOpenData);
+
+  data->file   = g_object_ref (file);
+  data->as_new = as_new;
+
+  return data;
+}
+
+static void
+idle_open_data_free (IdleOpenData *data)
+{
+  g_object_unref (data->file);
+  g_slice_free (IdleOpenData, data);
+}
+
+static gboolean
+gui_unique_win32_idle_open (IdleOpenData *data)
+{
+  /*  We want to be called again later in case that GIMP is not fully
+   *  started yet.
+   */
+  if (! gimp_is_restored (unique_gimp))
+    return TRUE;
+
+  if (data->file)
+    {
+      file_open_from_command_line (unique_gimp, data->file,
+                                   data->as_new, NULL, 0);
+    }
+  else
+    {
+      /*  raise the first display  */
+      GimpObject *display;
+
+      display = gimp_container_get_first_child (unique_gimp->displays);
+
+      gimp_display_shell_present (gimp_display_get_shell (GIMP_DISPLAY (display)));
+    }
+
+  return FALSE;
+}
+
+static LRESULT CALLBACK
+gui_unique_win32_message_handler (HWND   hWnd,
+                                  UINT   uMsg,
+                                  WPARAM wParam,
+                                  LPARAM lParam)
+{
+  switch (uMsg)
+    {
+    case WM_COPYDATA:
+      if (unique_gimp)
+        {
+          COPYDATASTRUCT *copydata = (COPYDATASTRUCT *) lParam;
+          GimpObject     *display;
+
+          if (copydata->cbData > 0)
+            {
+              GSource        *source;
+              GClosure       *closure;
+              GFile          *file;
+              IdleOpenData   *data;
+
+              file = g_file_new_for_uri (copydata->lpData);
+
+              data = idle_open_data_new (file,
+                                         copydata->dwData != 0);
+
+              g_object_unref (file);
+
+              closure = g_cclosure_new (G_CALLBACK (gui_unique_win32_idle_open),
+                                        data,
+                                        (GClosureNotify) idle_open_data_free);
+
+              g_object_watch_closure (G_OBJECT (unique_gimp), closure);
+
+              source = g_idle_source_new ();
+              g_source_set_priority (source, G_PRIORITY_LOW);
+              g_source_set_closure (source, closure);
+              g_source_attach (source, NULL);
+              g_source_unref (source);
+            }
+
+          /* Deiconify the window if minimized. */
+          display = gimp_container_get_first_child (unique_gimp->displays);
+          if (display)
+            gimp_display_shell_present (gimp_display_get_shell (GIMP_DISPLAY (display)));
+        }
+      return TRUE;
+
+    default:
+      return DefWindowProcW (hWnd, uMsg, wParam, lParam);
+    }
+}
+
+static void
+gui_unique_win32_init (Gimp *gimp)
+{
+  WNDCLASSW wc;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (unique_gimp == NULL);
+
+  unique_gimp = gimp;
+
+  /* register window class for proxy window */
+  memset (&wc, 0, sizeof (wc));
+
+  wc.hInstance     = GetModuleHandle (NULL);
+  wc.lpfnWndProc   = gui_unique_win32_message_handler;
+  wc.lpszClassName = GIMP_UNIQUE_WIN32_WINDOW_CLASS;
+
+  RegisterClassW (&wc);
+
+  proxy_window = CreateWindowExW (0,
+                                  GIMP_UNIQUE_WIN32_WINDOW_CLASS,
+                                  GIMP_UNIQUE_WIN32_WINDOW_NAME,
+                                  WS_POPUP, 0, 0, 1, 1, NULL, NULL, wc.hInstance, NULL);
+}
+
+static void
+gui_unique_win32_exit (void)
+{
+  g_return_if_fail (GIMP_IS_GIMP (unique_gimp));
+
+  unique_gimp = NULL;
+
+  DestroyWindow (proxy_window);
+}
+
+#elif defined (GDK_WINDOWING_QUARTZ)
+
+static gboolean
+gui_unique_quartz_idle_open (GFile *file)
+{
+  /*  We want to be called again later in case that GIMP is not fully
+   *  started yet.
+   */
+  if (! gimp_is_restored (unique_gimp))
+    return TRUE;
+
+  if (file)
+    {
+      file_open_from_command_line (unique_gimp, file, FALSE, NULL, 0);
+    }
+
+  return FALSE;
+}
+
+static gboolean
+gui_unique_quartz_nsopen_file_callback (GtkosxApplication *osx_app,
+                                        gchar             *path,
+                                        gpointer           user_data)
+{
+  GSource  *source;
+  GClosure *closure;
+
+  closure = g_cclosure_new (G_CALLBACK (gui_unique_quartz_idle_open),
+                            g_file_new_for_path (path),
+                            (GClosureNotify) g_object_unref);
+
+  g_object_watch_closure (G_OBJECT (unique_gimp), closure);
+
+  source = g_idle_source_new ();
+
+  g_source_set_priority (source, G_PRIORITY_LOW);
+  g_source_set_closure (source, closure);
+  g_source_attach (source, NULL);
+  g_source_unref (source);
+
+  return TRUE;
+}
+
+@implementation GimpAppleEventHandler
+- (void) handleEvent: (NSAppleEventDescriptor *) inEvent
+        andReplyWith: (NSAppleEventDescriptor *) replyEvent
+{
+  NSAutoreleasePool *urlpool;
+  NSInteger          count;
+  NSInteger          i;
+
+  urlpool = [[NSAutoreleasePool alloc] init];
+
+  count = [inEvent numberOfItems];
+
+  for (i = 1; i <= count; i++)
+    {
+      NSURL       *url;
+      const gchar *path;
+      GSource     *source;
+      GClosure    *closure;
+
+      url = [NSURL URLWithString: [[inEvent descriptorAtIndex: i] stringValue]];
+      path = [[url path] UTF8String];
+
+      closure = g_cclosure_new (G_CALLBACK (gui_unique_quartz_idle_open),
+                                g_file_new_for_path (path),
+                                (GClosureNotify) g_object_unref);
+
+      g_object_watch_closure (G_OBJECT (unique_gimp), closure);
+
+      source = g_idle_source_new ();
+      g_source_set_priority (source, G_PRIORITY_LOW);
+      g_source_set_closure (source, closure);
+      g_source_attach (source, NULL);
+      g_source_unref (source);
+    }
+
+  [urlpool drain];
+}
+@end
+
+static void
+gui_unique_quartz_init (Gimp *gimp)
+{
+  GtkosxApplication *osx_app;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (unique_gimp == NULL);
+
+  osx_app = gtkosx_application_get ();
+
+  unique_gimp = gimp;
+
+  g_signal_connect (osx_app, "NSApplicationOpenFile",
+                    G_CALLBACK (gui_unique_quartz_nsopen_file_callback),
+                    gimp);
+
+  /* Using the event handler is a hack, it is necessary because
+   * gtkosx_application will drop the file open events if any
+   * event processing is done before gtkosx_application_ready is
+   * called, which we unfortuantly can't avoid doing right now.
+   */
+  event_handler = [[GimpAppleEventHandler alloc] init];
+
+  [[NSAppleEventManager sharedAppleEventManager]
+      setEventHandler: event_handler
+          andSelector: @selector (handleEvent: andReplyWith:)
+        forEventClass: kCoreEventClass
+           andEventID: kAEOpenDocuments];
+}
+
+static void
+gui_unique_quartz_exit (void)
+{
+  g_return_if_fail (GIMP_IS_GIMP (unique_gimp));
+
+  unique_gimp = NULL;
+
+  [[NSAppleEventManager sharedAppleEventManager]
+      removeEventHandlerForEventClass: kCoreEventClass
+                           andEventID: kAEOpenDocuments];
+
+  [event_handler release];
+
+  event_handler = NULL;
+}
+
+#else
+
+static void
+gui_dbus_bus_acquired (GDBusConnection *connection,
+                       const gchar     *name,
+                       Gimp            *gimp)
+{
+  GDBusObjectSkeleton *object;
+  GObject             *service;
+
+  /* this should use GIMP_DBUS_SERVICE_PATH, but that's historically wrong */
+  dbus_manager = g_dbus_object_manager_server_new ("/org/gimp/GIMP");
+
+  object = g_dbus_object_skeleton_new (GIMP_DBUS_INTERFACE_PATH);
+
+  service = gimp_dbus_service_new (gimp);
+  g_dbus_object_skeleton_add_interface (object,
+                                        G_DBUS_INTERFACE_SKELETON (service));
+  g_object_unref (service);
+
+  g_dbus_object_manager_server_export (dbus_manager, object);
+  g_object_unref (object);
+
+  g_dbus_object_manager_server_set_connection (dbus_manager, connection);
+}
+
+static void
+gui_dbus_name_acquired (GDBusConnection *connection,
+                        const gchar     *name,
+                        Gimp            *gimp)
+{
+}
+
+static void
+gui_dbus_name_lost (GDBusConnection *connection,
+                    const gchar     *name,
+                    Gimp            *gimp)
+{
+  if (connection == NULL)
+    g_printerr ("%s: connection to the bus cannot be established.\n",
+                G_STRFUNC);
+  else
+    g_printerr ("%s: the name \"%s\" could not be acquired on the bus.\n",
+                G_STRFUNC, name);
+}
+
+static void
+gui_dbus_service_init (Gimp *gimp)
+{
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (dbus_name_id == 0);
+
+  dbus_name_id = g_bus_own_name (G_BUS_TYPE_SESSION,
+                                 GIMP_DBUS_SERVICE_NAME,
+                                 G_BUS_NAME_OWNER_FLAGS_NONE,
+                                 (GBusAcquiredCallback) gui_dbus_bus_acquired,
+                                 (GBusNameAcquiredCallback) gui_dbus_name_acquired,
+                                 (GBusNameLostCallback) gui_dbus_name_lost,
+                                 gimp, NULL);
+}
+
+static void
+gui_dbus_service_exit (void)
+{
+  g_bus_unown_name (dbus_name_id);
+  g_clear_object (&dbus_manager);
+}
+
+#endif