Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 308 insertions, 0 deletions

diff --git a/app/display/gimpdisplay-foreach.c b/app/display/gimpdisplay-foreach.c
new file mode 100644
index 0000000..440113e
--- /dev/null
+++ b/app/display/gimpdisplay-foreach.c
@@ -0,0 +1,308 @@
+/* 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>
+
+#include "display-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontainer.h"
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+#include "core/gimplist.h"
+
+#include "gimpdisplay.h"
+#include "gimpdisplay-foreach.h"
+#include "gimpdisplayshell.h"
+#include "gimpdisplayshell-cursor.h"
+
+
+gboolean
+gimp_displays_dirty (Gimp *gimp)
+{
+  GList *list;
+
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+  for (list = gimp_get_display_iter (gimp);
+       list;
+       list = g_list_next (list))
+    {
+      GimpDisplay *display = list->data;
+      GimpImage   *image   = gimp_display_get_image (display);
+
+      if (image && gimp_image_is_dirty (image))
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
+static void
+gimp_displays_image_dirty_callback (GimpImage     *image,
+                                    GimpDirtyMask  dirty_mask,
+                                    GimpContainer *container)
+{
+  if (gimp_image_is_dirty (image)              &&
+      gimp_image_get_display_count (image) > 0 &&
+      ! gimp_container_have (container, GIMP_OBJECT (image)))
+    gimp_container_add (container, GIMP_OBJECT (image));
+}
+
+static void
+gimp_displays_dirty_images_disconnect (GimpContainer *dirty_container,
+                                       GimpContainer *global_container)
+{
+  GQuark handler;
+
+  handler = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dirty_container),
+                                                "clean-handler"));
+  gimp_container_remove_handler (global_container, handler);
+
+  handler = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dirty_container),
+                                                "dirty-handler"));
+  gimp_container_remove_handler (global_container, handler);
+}
+
+static void
+gimp_displays_image_clean_callback (GimpImage     *image,
+                                    GimpDirtyMask  dirty_mask,
+                                    GimpContainer *container)
+{
+  if (! gimp_image_is_dirty (image))
+    gimp_container_remove (container, GIMP_OBJECT (image));
+}
+
+GimpContainer *
+gimp_displays_get_dirty_images (Gimp *gimp)
+{
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+  if (gimp_displays_dirty (gimp))
+    {
+      GimpContainer *container = gimp_list_new_weak (GIMP_TYPE_IMAGE, FALSE);
+      GList         *list;
+      GQuark         handler;
+
+      handler =
+        gimp_container_add_handler (gimp->images, "clean",
+                                    G_CALLBACK (gimp_displays_image_dirty_callback),
+                                    container);
+      g_object_set_data (G_OBJECT (container), "clean-handler",
+                         GINT_TO_POINTER (handler));
+
+      handler =
+        gimp_container_add_handler (gimp->images, "dirty",
+                                    G_CALLBACK (gimp_displays_image_dirty_callback),
+                                    container);
+      g_object_set_data (G_OBJECT (container), "dirty-handler",
+                         GINT_TO_POINTER (handler));
+
+      g_signal_connect_object (container, "disconnect",
+                               G_CALLBACK (gimp_displays_dirty_images_disconnect),
+                               G_OBJECT (gimp->images), 0);
+
+      gimp_container_add_handler (container, "clean",
+                                  G_CALLBACK (gimp_displays_image_clean_callback),
+                                  container);
+      gimp_container_add_handler (container, "dirty",
+                                  G_CALLBACK (gimp_displays_image_clean_callback),
+                                  container);
+
+      for (list = gimp_get_image_iter (gimp);
+           list;
+           list = g_list_next (list))
+        {
+          GimpImage *image = list->data;
+
+          if (gimp_image_is_dirty (image) &&
+              gimp_image_get_display_count (image) > 0)
+            gimp_container_add (container, GIMP_OBJECT (image));
+        }
+
+      return container;
+    }
+
+  return NULL;
+}
+
+/**
+ * gimp_displays_delete:
+ * @gimp:
+ *
+ * Calls gimp_display_delete() an all displays in the display list.
+ * This closes all displays, including the first one which is usually
+ * kept open.
+ */
+void
+gimp_displays_delete (Gimp *gimp)
+{
+  /*  this removes the GimpDisplay from the list, so do a while loop
+   *  "around" the first element to get them all
+   */
+  while (! gimp_container_is_empty (gimp->displays))
+    {
+      GimpDisplay *display = gimp_get_display_iter (gimp)->data;
+
+      gimp_display_delete (display);
+    }
+}
+
+/**
+ * gimp_displays_close:
+ * @gimp:
+ *
+ * Calls gimp_display_close() an all displays in the display list. The
+ * first display will remain open without an image.
+ */
+void
+gimp_displays_close (Gimp *gimp)
+{
+  GList *list;
+  GList *iter;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+  list = g_list_copy (gimp_get_display_iter (gimp));
+
+  for (iter = list; iter; iter = g_list_next (iter))
+    {
+      GimpDisplay *display = iter->data;
+
+      gimp_display_close (display);
+    }
+
+  g_list_free (list);
+}
+
+void
+gimp_displays_reconnect (Gimp      *gimp,
+                         GimpImage *old,
+                         GimpImage *new)
+{
+  GList *contexts = NULL;
+  GList *list;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+  g_return_if_fail (GIMP_IS_IMAGE (old));
+  g_return_if_fail (GIMP_IS_IMAGE (new));
+
+  /*  check which contexts refer to old_image  */
+  for (list = gimp->context_list; list; list = g_list_next (list))
+    {
+      GimpContext *context = list->data;
+
+      if (gimp_context_get_image (context) == old)
+        contexts = g_list_prepend (contexts, list->data);
+    }
+
+  /*  set the new_image on the remembered contexts (in reverse order,
+   *  since older contexts are usually the parents of newer
+   *  ones). Also, update the contexts before the displays, or we
+   *  might run into menu update functions that would see an
+   *  inconsistent state (display = new, context = old), and thus
+   *  inadvertently call actions as if the user had selected a menu
+   *  item.
+   */
+  g_list_foreach (contexts, (GFunc) gimp_context_set_image, new);
+  g_list_free (contexts);
+
+  for (list = gimp_get_display_iter (gimp);
+       list;
+       list = g_list_next (list))
+    {
+      GimpDisplay *display = list->data;
+
+      if (gimp_display_get_image (display) == old)
+        gimp_display_set_image (display, new);
+    }
+}
+
+gint
+gimp_displays_get_num_visible (Gimp *gimp)
+{
+  GList *list;
+  gint   visible = 0;
+
+  g_return_val_if_fail (GIMP_IS_GIMP (gimp), 0);
+
+  for (list = gimp_get_display_iter (gimp);
+       list;
+       list = g_list_next (list))
+    {
+      GimpDisplay      *display = list->data;
+      GimpDisplayShell *shell   = gimp_display_get_shell (display);
+
+      if (gtk_widget_is_drawable (GTK_WIDGET (shell)))
+        {
+          GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (shell));
+
+          if (GTK_IS_WINDOW (toplevel))
+            {
+              GdkWindow      *window = gtk_widget_get_window (toplevel);
+              GdkWindowState  state  = gdk_window_get_state (window);
+
+              if ((state & (GDK_WINDOW_STATE_WITHDRAWN |
+                            GDK_WINDOW_STATE_ICONIFIED)) == 0)
+                {
+                  visible++;
+                }
+            }
+        }
+    }
+
+  return visible;
+}
+
+void
+gimp_displays_set_busy (Gimp *gimp)
+{
+  GList *list;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+  for (list = gimp_get_display_iter (gimp);
+       list;
+       list = g_list_next (list))
+    {
+      GimpDisplayShell *shell =
+        gimp_display_get_shell (GIMP_DISPLAY (list->data));
+
+      gimp_display_shell_set_override_cursor (shell, (GimpCursorType) GDK_WATCH);
+    }
+}
+
+void
+gimp_displays_unset_busy (Gimp *gimp)
+{
+  GList *list;
+
+  g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+  for (list = gimp_get_display_iter (gimp);
+       list;
+       list = g_list_next (list))
+    {
+      GimpDisplayShell *shell =
+        gimp_display_get_shell (GIMP_DISPLAY (list->data));
+
+      gimp_display_shell_unset_override_cursor (shell);
+    }
+}