Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 393 insertions, 0 deletions

diff --git a/app/widgets/gimpdrawabletreeview.c b/app/widgets/gimpdrawabletreeview.c
new file mode 100644
index 0000000..5b17d79
--- /dev/null
+++ b/app/widgets/gimpdrawabletreeview.c
@@ -0,0 +1,393 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpdrawabletreeview.c
+ * Copyright (C) 2001-2009 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpdrawable.h"
+#include "core/gimpdrawable-edit.h"
+#include "core/gimpfilloptions.h"
+#include "core/gimpimage.h"
+#include "core/gimpimage-undo.h"
+#include "core/gimppattern.h"
+
+#include "gimpcontainerview.h"
+#include "gimpdnd.h"
+#include "gimpdrawabletreeview.h"
+
+#include "gimp-intl.h"
+
+
+static void   gimp_drawable_tree_view_view_iface_init (GimpContainerViewInterface *iface);
+
+static void     gimp_drawable_tree_view_constructed (GObject           *object);
+
+static gboolean gimp_drawable_tree_view_select_item (GimpContainerView *view,
+                                                     GimpViewable      *item,
+                                                     gpointer           insert_data);
+
+static gboolean gimp_drawable_tree_view_drop_possible(GimpContainerTreeView *view,
+                                                      GimpDndType          src_type,
+                                                      GimpViewable        *src_viewable,
+                                                      GimpViewable        *dest_viewable,
+                                                      GtkTreePath         *drop_path,
+                                                      GtkTreeViewDropPosition  drop_pos,
+                                                      GtkTreeViewDropPosition *return_drop_pos,
+                                                      GdkDragAction       *return_drag_action);
+static void   gimp_drawable_tree_view_drop_viewable (GimpContainerTreeView *view,
+                                                     GimpViewable     *src_viewable,
+                                                     GimpViewable     *dest_viewable,
+                                                     GtkTreeViewDropPosition  drop_pos);
+static void   gimp_drawable_tree_view_drop_color (GimpContainerTreeView *view,
+                                                  const GimpRGB       *color,
+                                                  GimpViewable        *dest_viewable,
+                                                  GtkTreeViewDropPosition  drop_pos);
+
+static void   gimp_drawable_tree_view_set_image  (GimpItemTreeView     *view,
+                                                  GimpImage            *image);
+
+static void   gimp_drawable_tree_view_floating_selection_changed
+                                                 (GimpImage            *image,
+                                                  GimpDrawableTreeView *view);
+
+static void   gimp_drawable_tree_view_new_pattern_dropped
+                                                 (GtkWidget            *widget,
+                                                  gint                  x,
+                                                  gint                  y,
+                                                  GimpViewable         *viewable,
+                                                  gpointer              data);
+static void   gimp_drawable_tree_view_new_color_dropped
+                                                 (GtkWidget            *widget,
+                                                  gint                  x,
+                                                  gint                  y,
+                                                  const GimpRGB        *color,
+                                                  gpointer              data);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpDrawableTreeView, gimp_drawable_tree_view,
+                         GIMP_TYPE_ITEM_TREE_VIEW,
+                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
+                                                gimp_drawable_tree_view_view_iface_init))
+
+#define parent_class gimp_drawable_tree_view_parent_class
+
+static GimpContainerViewInterface *parent_view_iface = NULL;
+
+
+static void
+gimp_drawable_tree_view_class_init (GimpDrawableTreeViewClass *klass)
+{
+  GObjectClass               *object_class;
+  GimpContainerTreeViewClass *tree_view_class;
+  GimpItemTreeViewClass      *item_view_class;
+
+  object_class    = G_OBJECT_CLASS (klass);
+  tree_view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
+  item_view_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
+
+  object_class->constructed      = gimp_drawable_tree_view_constructed;
+
+  tree_view_class->drop_possible = gimp_drawable_tree_view_drop_possible;
+  tree_view_class->drop_viewable = gimp_drawable_tree_view_drop_viewable;
+  tree_view_class->drop_color    = gimp_drawable_tree_view_drop_color;
+
+  item_view_class->set_image     = gimp_drawable_tree_view_set_image;
+
+  item_view_class->lock_content_icon_name  = GIMP_ICON_TOOL_PAINTBRUSH;
+  item_view_class->lock_content_tooltip    = _("Lock pixels");
+  item_view_class->lock_position_icon_name = GIMP_ICON_TOOL_MOVE;
+  item_view_class->lock_position_tooltip   = _("Lock position and size");
+}
+
+static void
+gimp_drawable_tree_view_view_iface_init (GimpContainerViewInterface *iface)
+{
+  parent_view_iface = g_type_interface_peek_parent (iface);
+
+  iface->select_item = gimp_drawable_tree_view_select_item;
+}
+
+static void
+gimp_drawable_tree_view_init (GimpDrawableTreeView *view)
+{
+}
+
+static void
+gimp_drawable_tree_view_constructed (GObject *object)
+{
+  GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (object);
+  GimpItemTreeView      *item_view = GIMP_ITEM_TREE_VIEW (object);
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  gimp_dnd_viewable_dest_add (gimp_item_tree_view_get_new_button (item_view),
+                              GIMP_TYPE_PATTERN,
+                              gimp_drawable_tree_view_new_pattern_dropped,
+                              item_view);
+  gimp_dnd_color_dest_add (gimp_item_tree_view_get_new_button (item_view),
+                           gimp_drawable_tree_view_new_color_dropped,
+                           item_view);
+
+  gimp_dnd_color_dest_add    (GTK_WIDGET (tree_view->view),
+                              NULL, tree_view);
+  gimp_dnd_viewable_dest_add (GTK_WIDGET (tree_view->view), GIMP_TYPE_PATTERN,
+                              NULL, tree_view);
+}
+
+
+/*  GimpContainerView methods  */
+
+static gboolean
+gimp_drawable_tree_view_select_item (GimpContainerView *view,
+                                     GimpViewable      *item,
+                                     gpointer           insert_data)
+{
+  GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
+  GimpImage        *image     = gimp_item_tree_view_get_image (item_view);
+  gboolean          success   = TRUE;
+
+  if (image)
+    {
+      GimpLayer *floating_sel = gimp_image_get_floating_selection (image);
+
+      success = (item         == NULL ||
+                 floating_sel == NULL ||
+                 item         == GIMP_VIEWABLE (floating_sel));
+
+      if (! success)
+        {
+          Gimp        *gimp    = image->gimp;
+          GimpContext *context = gimp_get_user_context (gimp);
+          GObject     *display = gimp_context_get_display (context);
+
+          gimp_message_literal (gimp, display, GIMP_MESSAGE_WARNING,
+                                _("Cannot select item while a floating "
+                                  "selection is active."));
+        }
+    }
+
+  if (success)
+    success = parent_view_iface->select_item (view, item, insert_data);
+
+  return success;
+}
+
+
+/*  GimpContainerTreeView methods  */
+
+static gboolean
+gimp_drawable_tree_view_drop_possible (GimpContainerTreeView   *tree_view,
+                                       GimpDndType              src_type,
+                                       GimpViewable            *src_viewable,
+                                       GimpViewable            *dest_viewable,
+                                       GtkTreePath             *drop_path,
+                                       GtkTreeViewDropPosition  drop_pos,
+                                       GtkTreeViewDropPosition *return_drop_pos,
+                                       GdkDragAction           *return_drag_action)
+{
+  if (GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_possible (tree_view,
+                                                                    src_type,
+                                                                    src_viewable,
+                                                                    dest_viewable,
+                                                                    drop_path,
+                                                                    drop_pos,
+                                                                    return_drop_pos,
+                                                                    return_drag_action))
+    {
+      if (src_type == GIMP_DND_TYPE_COLOR ||
+          src_type == GIMP_DND_TYPE_PATTERN)
+        {
+          if (! dest_viewable ||
+              gimp_item_is_content_locked (GIMP_ITEM (dest_viewable)) ||
+              gimp_viewable_get_children (GIMP_VIEWABLE (dest_viewable)))
+            return FALSE;
+
+          if (return_drop_pos)
+            {
+              *return_drop_pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
+            }
+        }
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static void
+gimp_drawable_tree_view_drop_viewable (GimpContainerTreeView   *view,
+                                       GimpViewable            *src_viewable,
+                                       GimpViewable            *dest_viewable,
+                                       GtkTreeViewDropPosition  drop_pos)
+{
+  if (dest_viewable && GIMP_IS_PATTERN (src_viewable))
+    {
+      GimpImage       *image   = gimp_item_get_image (GIMP_ITEM (dest_viewable));
+      GimpFillOptions *options = gimp_fill_options_new (image->gimp, NULL, FALSE);
+
+      gimp_fill_options_set_style (options, GIMP_FILL_STYLE_PATTERN);
+      gimp_context_set_pattern (GIMP_CONTEXT (options),
+                                GIMP_PATTERN (src_viewable));
+
+      gimp_drawable_edit_fill (GIMP_DRAWABLE (dest_viewable),
+                               options,
+                               C_("undo-type", "Drop pattern to layer"));
+
+      g_object_unref (options);
+
+      gimp_image_flush (image);
+      return;
+    }
+
+  GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_viewable (view,
+                                                                src_viewable,
+                                                                dest_viewable,
+                                                                drop_pos);
+}
+
+static void
+gimp_drawable_tree_view_drop_color (GimpContainerTreeView   *view,
+                                    const GimpRGB           *color,
+                                    GimpViewable            *dest_viewable,
+                                    GtkTreeViewDropPosition  drop_pos)
+{
+  if (dest_viewable)
+    {
+      GimpImage       *image   = gimp_item_get_image (GIMP_ITEM (dest_viewable));
+      GimpFillOptions *options = gimp_fill_options_new (image->gimp, NULL, FALSE);
+
+      gimp_fill_options_set_style (options, GIMP_FILL_STYLE_SOLID);
+      gimp_context_set_foreground (GIMP_CONTEXT (options), color);
+
+      gimp_drawable_edit_fill (GIMP_DRAWABLE (dest_viewable),
+                               options,
+                               C_("undo-type", "Drop color to layer"));
+
+      g_object_unref (options);
+
+      gimp_image_flush (image);
+    }
+}
+
+
+/*  GimpItemTreeView methods  */
+
+static void
+gimp_drawable_tree_view_set_image (GimpItemTreeView *view,
+                                   GimpImage        *image)
+{
+  if (gimp_item_tree_view_get_image (view))
+    g_signal_handlers_disconnect_by_func (gimp_item_tree_view_get_image (view),
+                                          gimp_drawable_tree_view_floating_selection_changed,
+                                          view);
+
+  GIMP_ITEM_TREE_VIEW_CLASS (parent_class)->set_image (view, image);
+
+  if (gimp_item_tree_view_get_image (view))
+    g_signal_connect (gimp_item_tree_view_get_image (view),
+                      "floating-selection-changed",
+                      G_CALLBACK (gimp_drawable_tree_view_floating_selection_changed),
+                      view);
+}
+
+
+/*  callbacks  */
+
+static void
+gimp_drawable_tree_view_floating_selection_changed (GimpImage            *image,
+                                                    GimpDrawableTreeView *view)
+{
+  GimpItem *item;
+
+  item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (image);
+
+  /*  update button states  */
+  gimp_container_view_select_item (GIMP_CONTAINER_VIEW (view),
+                                   (GimpViewable *) item);
+}
+
+static void
+gimp_drawable_tree_view_new_dropped (GimpItemTreeView *view,
+                                     GimpFillOptions  *options,
+                                     const gchar      *undo_desc)
+{
+  GimpImage *image = gimp_item_tree_view_get_image (view);
+  GimpItem  *item;
+
+  gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
+                               _("New Layer"));
+
+  item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->new_item (image);
+
+  if (item)
+    gimp_drawable_edit_fill (GIMP_DRAWABLE (item), options, undo_desc);
+
+  gimp_image_undo_group_end (image);
+
+  gimp_image_flush (image);
+}
+
+static void
+gimp_drawable_tree_view_new_pattern_dropped (GtkWidget    *widget,
+                                             gint          x,
+                                             gint          y,
+                                             GimpViewable *viewable,
+                                             gpointer      data)
+{
+  GimpItemTreeView *view    = GIMP_ITEM_TREE_VIEW (data);
+  GimpImage        *image   = gimp_item_tree_view_get_image (view);
+  GimpFillOptions  *options = gimp_fill_options_new (image->gimp, NULL, FALSE);
+
+  gimp_fill_options_set_style (options, GIMP_FILL_STYLE_PATTERN);
+  gimp_context_set_pattern (GIMP_CONTEXT (options), GIMP_PATTERN (viewable));
+
+  gimp_drawable_tree_view_new_dropped (view, options,
+                                       C_("undo-type", "Drop pattern to layer"));
+
+  g_object_unref (options);
+}
+
+static void
+gimp_drawable_tree_view_new_color_dropped (GtkWidget     *widget,
+                                           gint           x,
+                                           gint           y,
+                                           const GimpRGB *color,
+                                           gpointer       data)
+{
+  GimpItemTreeView *view    = GIMP_ITEM_TREE_VIEW (data);
+  GimpImage        *image   = gimp_item_tree_view_get_image (view);
+  GimpFillOptions  *options = gimp_fill_options_new (image->gimp, NULL, FALSE);
+
+  gimp_fill_options_set_style (options, GIMP_FILL_STYLE_SOLID);
+  gimp_context_set_foreground (GIMP_CONTEXT (options), color);
+
+  gimp_drawable_tree_view_new_dropped (view, options,
+                                       C_("undo-type", "Drop color to layer"));
+
+  g_object_unref (options);
+}