Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 172 insertions, 0 deletions

diff --git a/app/paint/gimppaintcoreundo.c b/app/paint/gimppaintcoreundo.c
new file mode 100644
index 0000000..861642f
--- /dev/null
+++ b/app/paint/gimppaintcoreundo.c
@@ -0,0 +1,172 @@
+/* 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "paint-types.h"
+
+#include "gimppaintcore.h"
+#include "gimppaintcoreundo.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_PAINT_CORE
+};
+
+
+static void   gimp_paint_core_undo_constructed  (GObject             *object);
+static void   gimp_paint_core_undo_set_property (GObject             *object,
+                                                 guint                property_id,
+                                                 const GValue        *value,
+                                                 GParamSpec          *pspec);
+static void   gimp_paint_core_undo_get_property (GObject             *object,
+                                                 guint                property_id,
+                                                 GValue              *value,
+                                                 GParamSpec          *pspec);
+
+static void   gimp_paint_core_undo_pop          (GimpUndo            *undo,
+                                                 GimpUndoMode         undo_mode,
+                                                 GimpUndoAccumulator *accum);
+static void   gimp_paint_core_undo_free         (GimpUndo            *undo,
+                                                 GimpUndoMode         undo_mode);
+
+
+G_DEFINE_TYPE (GimpPaintCoreUndo, gimp_paint_core_undo, GIMP_TYPE_UNDO)
+
+#define parent_class gimp_paint_core_undo_parent_class
+
+
+static void
+gimp_paint_core_undo_class_init (GimpPaintCoreUndoClass *klass)
+{
+  GObjectClass  *object_class = G_OBJECT_CLASS (klass);
+  GimpUndoClass *undo_class   = GIMP_UNDO_CLASS (klass);
+
+  object_class->constructed  = gimp_paint_core_undo_constructed;
+  object_class->set_property = gimp_paint_core_undo_set_property;
+  object_class->get_property = gimp_paint_core_undo_get_property;
+
+  undo_class->pop            = gimp_paint_core_undo_pop;
+  undo_class->free           = gimp_paint_core_undo_free;
+
+  g_object_class_install_property (object_class, PROP_PAINT_CORE,
+                                   g_param_spec_object ("paint-core", NULL, NULL,
+                                                        GIMP_TYPE_PAINT_CORE,
+                                                        GIMP_PARAM_READWRITE |
+                                                        G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gimp_paint_core_undo_init (GimpPaintCoreUndo *undo)
+{
+}
+
+static void
+gimp_paint_core_undo_constructed (GObject *object)
+{
+  GimpPaintCoreUndo *paint_core_undo = GIMP_PAINT_CORE_UNDO (object);
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  gimp_assert (GIMP_IS_PAINT_CORE (paint_core_undo->paint_core));
+
+  paint_core_undo->last_coords = paint_core_undo->paint_core->start_coords;
+
+  g_object_add_weak_pointer (G_OBJECT (paint_core_undo->paint_core),
+                             (gpointer) &paint_core_undo->paint_core);
+}
+
+static void
+gimp_paint_core_undo_set_property (GObject      *object,
+                                   guint         property_id,
+                                   const GValue *value,
+                                   GParamSpec   *pspec)
+{
+  GimpPaintCoreUndo *paint_core_undo = GIMP_PAINT_CORE_UNDO (object);
+
+  switch (property_id)
+    {
+    case PROP_PAINT_CORE:
+      paint_core_undo->paint_core = g_value_get_object (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_paint_core_undo_get_property (GObject    *object,
+                                   guint       property_id,
+                                   GValue     *value,
+                                   GParamSpec *pspec)
+{
+  GimpPaintCoreUndo *paint_core_undo = GIMP_PAINT_CORE_UNDO (object);
+
+  switch (property_id)
+    {
+    case PROP_PAINT_CORE:
+      g_value_set_object (value, paint_core_undo->paint_core);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_paint_core_undo_pop (GimpUndo              *undo,
+                          GimpUndoMode           undo_mode,
+                          GimpUndoAccumulator   *accum)
+{
+  GimpPaintCoreUndo *paint_core_undo = GIMP_PAINT_CORE_UNDO (undo);
+
+  GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
+
+  /*  only pop if the core still exists  */
+  if (paint_core_undo->paint_core)
+    {
+      GimpCoords tmp_coords;
+
+      tmp_coords = paint_core_undo->paint_core->last_coords;
+      paint_core_undo->paint_core->last_coords = paint_core_undo->last_coords;
+      paint_core_undo->last_coords = tmp_coords;
+    }
+}
+
+static void
+gimp_paint_core_undo_free (GimpUndo     *undo,
+                           GimpUndoMode  undo_mode)
+{
+  GimpPaintCoreUndo *paint_core_undo = GIMP_PAINT_CORE_UNDO (undo);
+
+  if (paint_core_undo->paint_core)
+    {
+      g_object_remove_weak_pointer (G_OBJECT (paint_core_undo->paint_core),
+                                    (gpointer) &paint_core_undo->paint_core);
+      paint_core_undo->paint_core = NULL;
+    }
+
+  GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
+}