Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 307 insertions, 0 deletions

diff --git a/app/text/gimptextundo.c b/app/text/gimptextundo.c
new file mode 100644
index 0000000..8d1a74b
--- /dev/null
+++ b/app/text/gimptextundo.c
@@ -0,0 +1,307 @@
+/* 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 "libgimpconfig/gimpconfig.h"
+
+#include "text-types.h"
+
+#include "gegl/gimp-babl.h"
+
+#include "core/gimp-memsize.h"
+#include "core/gimpitem.h"
+#include "core/gimpitemundo.h"
+
+#include "gimptext.h"
+#include "gimptextlayer.h"
+#include "gimptextundo.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_PARAM
+};
+
+
+static void     gimp_text_undo_constructed  (GObject             *object);
+static void     gimp_text_undo_set_property (GObject             *object,
+                                             guint                property_id,
+                                             const GValue        *value,
+                                             GParamSpec          *pspec);
+static void     gimp_text_undo_get_property (GObject             *object,
+                                             guint                property_id,
+                                             GValue              *value,
+                                             GParamSpec          *pspec);
+
+static gint64   gimp_text_undo_get_memsize  (GimpObject          *object,
+                                             gint64              *gui_size);
+
+static void     gimp_text_undo_pop          (GimpUndo            *undo,
+                                             GimpUndoMode         undo_mode,
+                                             GimpUndoAccumulator *accum);
+static void     gimp_text_undo_free         (GimpUndo            *undo,
+                                             GimpUndoMode         undo_mode);
+
+
+G_DEFINE_TYPE (GimpTextUndo, gimp_text_undo, GIMP_TYPE_ITEM_UNDO)
+
+#define parent_class gimp_text_undo_parent_class
+
+
+static void
+gimp_text_undo_class_init (GimpTextUndoClass *klass)
+{
+  GObjectClass    *object_class      = G_OBJECT_CLASS (klass);
+  GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
+  GimpUndoClass   *undo_class        = GIMP_UNDO_CLASS (klass);
+
+  object_class->constructed      = gimp_text_undo_constructed;
+  object_class->set_property     = gimp_text_undo_set_property;
+  object_class->get_property     = gimp_text_undo_get_property;
+
+  gimp_object_class->get_memsize = gimp_text_undo_get_memsize;
+
+  undo_class->pop                = gimp_text_undo_pop;
+  undo_class->free               = gimp_text_undo_free;
+
+  g_object_class_install_property (object_class, PROP_PARAM,
+                                   g_param_spec_param ("param", NULL, NULL,
+                                                       G_TYPE_PARAM,
+                                                       GIMP_PARAM_READWRITE |
+                                                       G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gimp_text_undo_init (GimpTextUndo *undo)
+{
+}
+
+static void
+gimp_text_undo_constructed (GObject *object)
+{
+  GimpTextUndo  *text_undo = GIMP_TEXT_UNDO (object);
+  GimpTextLayer *layer;
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  gimp_assert (GIMP_IS_TEXT_LAYER (GIMP_ITEM_UNDO (text_undo)->item));
+
+  layer = GIMP_TEXT_LAYER (GIMP_ITEM_UNDO (text_undo)->item);
+
+  switch (GIMP_UNDO (object)->undo_type)
+    {
+    case GIMP_UNDO_TEXT_LAYER:
+      if (text_undo->pspec)
+        {
+          gimp_assert (text_undo->pspec->owner_type == GIMP_TYPE_TEXT);
+
+          text_undo->value = g_slice_new0 (GValue);
+
+          g_value_init (text_undo->value, text_undo->pspec->value_type);
+          g_object_get_property (G_OBJECT (layer->text),
+                                 text_undo->pspec->name, text_undo->value);
+        }
+      else if (layer->text)
+        {
+          text_undo->text = gimp_config_duplicate (GIMP_CONFIG (layer->text));
+        }
+      break;
+
+    case GIMP_UNDO_TEXT_LAYER_MODIFIED:
+      text_undo->modified = layer->modified;
+      break;
+
+    case GIMP_UNDO_TEXT_LAYER_CONVERT:
+      text_undo->format = gimp_drawable_get_format (GIMP_DRAWABLE (layer));
+      break;
+
+    default:
+      gimp_assert_not_reached ();
+    }
+}
+
+static void
+gimp_text_undo_set_property (GObject      *object,
+                             guint         property_id,
+                             const GValue *value,
+                             GParamSpec   *pspec)
+{
+  GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object);
+
+  switch (property_id)
+    {
+    case PROP_PARAM:
+      text_undo->pspec = g_value_get_param (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_text_undo_get_property (GObject    *object,
+                             guint       property_id,
+                             GValue     *value,
+                             GParamSpec *pspec)
+{
+  GimpTextUndo *text_undo = GIMP_TEXT_UNDO (object);
+
+  switch (property_id)
+    {
+    case PROP_PARAM:
+      g_value_set_param (value, (GParamSpec *) text_undo->pspec);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static gint64
+gimp_text_undo_get_memsize (GimpObject *object,
+                            gint64     *gui_size)
+{
+  GimpTextUndo *undo    = GIMP_TEXT_UNDO (object);
+  gint64        memsize = 0;
+
+  memsize += gimp_g_value_get_memsize (undo->value);
+  memsize += gimp_object_get_memsize (GIMP_OBJECT (undo->text), NULL);
+
+  return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
+                                                                  gui_size);
+}
+
+static void
+gimp_text_undo_pop (GimpUndo            *undo,
+                    GimpUndoMode         undo_mode,
+                    GimpUndoAccumulator *accum)
+{
+  GimpTextUndo  *text_undo = GIMP_TEXT_UNDO (undo);
+  GimpTextLayer *layer     = GIMP_TEXT_LAYER (GIMP_ITEM_UNDO (undo)->item);
+
+  GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
+
+  switch (undo->undo_type)
+    {
+    case GIMP_UNDO_TEXT_LAYER:
+      if (text_undo->pspec)
+        {
+          GValue *value;
+
+          g_return_if_fail (layer->text != NULL);
+
+          value = g_slice_new0 (GValue);
+          g_value_init (value, text_undo->pspec->value_type);
+
+          g_object_get_property (G_OBJECT (layer->text),
+                                 text_undo->pspec->name, value);
+
+          g_object_set_property (G_OBJECT (layer->text),
+                                 text_undo->pspec->name, text_undo->value);
+
+          g_value_unset (text_undo->value);
+          g_slice_free (GValue, text_undo->value);
+
+          text_undo->value = value;
+        }
+      else
+        {
+          GimpText *text;
+
+          text = (layer->text ?
+                  gimp_config_duplicate (GIMP_CONFIG (layer->text)) : NULL);
+
+          if (layer->text && text_undo->text)
+            gimp_config_sync (G_OBJECT (text_undo->text),
+                              G_OBJECT (layer->text), 0);
+          else
+            gimp_text_layer_set_text (layer, text_undo->text);
+
+          if (text_undo->text)
+            g_object_unref (text_undo->text);
+
+          text_undo->text = text;
+        }
+      break;
+
+    case GIMP_UNDO_TEXT_LAYER_MODIFIED:
+      {
+        gboolean modified;
+
+#if 0
+        g_print ("setting layer->modified from %s to %s\n",
+                 layer->modified ? "TRUE" : "FALSE",
+                 text_undo->modified ? "TRUE" : "FALSE");
+#endif
+
+        modified = layer->modified;
+        g_object_set (layer, "modified", text_undo->modified, NULL);
+        text_undo->modified = modified;
+
+        gimp_viewable_invalidate_preview (GIMP_VIEWABLE (layer));
+      }
+      break;
+
+    case GIMP_UNDO_TEXT_LAYER_CONVERT:
+      {
+        const Babl *format;
+
+        format = gimp_drawable_get_format (GIMP_DRAWABLE (layer));
+        gimp_drawable_convert_type (GIMP_DRAWABLE (layer),
+                                    gimp_item_get_image (GIMP_ITEM (layer)),
+                                    gimp_babl_format_get_base_type (text_undo->format),
+                                    gimp_babl_format_get_precision (text_undo->format),
+                                    babl_format_has_alpha (text_undo->format),
+                                    NULL,
+                                    GEGL_DITHER_NONE, GEGL_DITHER_NONE,
+                                    FALSE, NULL);
+        text_undo->format = format;
+      }
+      break;
+
+    default:
+      gimp_assert_not_reached ();
+    }
+}
+
+static void
+gimp_text_undo_free (GimpUndo     *undo,
+                     GimpUndoMode  undo_mode)
+{
+  GimpTextUndo *text_undo = GIMP_TEXT_UNDO (undo);
+
+  g_clear_object (&text_undo->text);
+
+  if (text_undo->pspec)
+    {
+      g_value_unset (text_undo->value);
+      g_slice_free (GValue, text_undo->value);
+
+      text_undo->value = NULL;
+      text_undo->pspec = NULL;
+    }
+
+  GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
+}