Adding upstream version 2.10.34.upstream/2.10.34upstream

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

1 files changed, 179 insertions, 0 deletions

diff --git a/app/widgets/gimpimageeditor.c b/app/widgets/gimpimageeditor.c
new file mode 100644
index 0000000..fc567e5
--- /dev/null
+++ b/app/widgets/gimpimageeditor.c
@@ -0,0 +1,179 @@
+/* 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 "widgets-types.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+
+#include "gimpdocked.h"
+#include "gimpimageeditor.h"
+#include "gimpuimanager.h"
+
+
+static void   gimp_image_editor_docked_iface_init (GimpDockedInterface *iface);
+
+static void   gimp_image_editor_set_context    (GimpDocked       *docked,
+                                                GimpContext      *context);
+
+static void   gimp_image_editor_dispose        (GObject          *object);
+
+static void   gimp_image_editor_real_set_image (GimpImageEditor  *editor,
+                                                GimpImage        *image);
+static void   gimp_image_editor_image_flush    (GimpImage        *image,
+                                                gboolean          invalidate_preview,
+                                                GimpImageEditor  *editor);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpImageEditor, gimp_image_editor, GIMP_TYPE_EDITOR,
+                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
+                                                gimp_image_editor_docked_iface_init))
+
+#define parent_class gimp_image_editor_parent_class
+
+
+static void
+gimp_image_editor_class_init (GimpImageEditorClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose = gimp_image_editor_dispose;
+
+  klass->set_image      = gimp_image_editor_real_set_image;
+}
+
+static void
+gimp_image_editor_init (GimpImageEditor *editor)
+{
+  editor->image = NULL;
+
+  gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
+}
+
+static void
+gimp_image_editor_docked_iface_init (GimpDockedInterface *iface)
+{
+  iface->set_context = gimp_image_editor_set_context;
+}
+
+static void
+gimp_image_editor_set_context (GimpDocked  *docked,
+                               GimpContext *context)
+{
+  GimpImageEditor *editor = GIMP_IMAGE_EDITOR (docked);
+  GimpImage       *image  = NULL;
+
+  if (editor->context)
+    {
+      g_signal_handlers_disconnect_by_func (editor->context,
+                                            gimp_image_editor_set_image,
+                                            editor);
+
+      g_object_unref (editor->context);
+    }
+
+  editor->context = context;
+
+  if (context)
+    {
+      g_object_ref (editor->context);
+
+      g_signal_connect_swapped (context, "image-changed",
+                                G_CALLBACK (gimp_image_editor_set_image),
+                                editor);
+
+      image = gimp_context_get_image (context);
+    }
+
+  gimp_image_editor_set_image (editor, image);
+}
+
+static void
+gimp_image_editor_dispose (GObject *object)
+{
+  GimpImageEditor *editor = GIMP_IMAGE_EDITOR (object);
+
+  if (editor->image)
+    gimp_image_editor_set_image (editor, NULL);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_image_editor_real_set_image (GimpImageEditor *editor,
+                                  GimpImage       *image)
+{
+  if (editor->image)
+    g_signal_handlers_disconnect_by_func (editor->image,
+                                          gimp_image_editor_image_flush,
+                                          editor);
+
+  editor->image = image;
+
+  if (editor->image)
+    g_signal_connect (editor->image, "flush",
+                      G_CALLBACK (gimp_image_editor_image_flush),
+                      editor);
+
+  gtk_widget_set_sensitive (GTK_WIDGET (editor), image != NULL);
+}
+
+
+/*  public functions  */
+
+void
+gimp_image_editor_set_image (GimpImageEditor *editor,
+                             GimpImage       *image)
+{
+  g_return_if_fail (GIMP_IS_IMAGE_EDITOR (editor));
+  g_return_if_fail (image == NULL || GIMP_IS_IMAGE (image));
+
+  if (image != editor->image)
+    {
+      GIMP_IMAGE_EDITOR_GET_CLASS (editor)->set_image (editor, image);
+
+      if (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)))
+        gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
+                                gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
+    }
+}
+
+GimpImage *
+gimp_image_editor_get_image (GimpImageEditor *editor)
+{
+  g_return_val_if_fail (GIMP_IS_IMAGE_EDITOR (editor), NULL);
+
+  return editor->image;
+}
+
+
+/*  private functions  */
+
+static void
+gimp_image_editor_image_flush (GimpImage       *image,
+                               gboolean         invalidate_preview,
+                               GimpImageEditor *editor)
+{
+  if (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)))
+    gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
+                            gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
+}