Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 368 insertions, 0 deletions

diff --git a/app/widgets/gimpchanneltreeview.c b/app/widgets/gimpchanneltreeview.c
new file mode 100644
index 0000000..5b77aa4
--- /dev/null
+++ b/app/widgets/gimpchanneltreeview.c
@@ -0,0 +1,368 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpchanneltreeview.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 "libgimpbase/gimpbase.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpchannel.h"
+#include "core/gimpcontainer.h"
+#include "core/gimpimage.h"
+#include "core/gimpimage-undo.h"
+#include "core/gimplayer.h"
+#include "core/gimplayermask.h"
+
+#include "gimpactiongroup.h"
+#include "gimpchanneltreeview.h"
+#include "gimpcomponenteditor.h"
+#include "gimpcontainerview.h"
+#include "gimpdnd.h"
+#include "gimpdocked.h"
+#include "gimphelp-ids.h"
+#include "gimpuimanager.h"
+#include "gimpwidgets-utils.h"
+
+#include "gimp-intl.h"
+
+
+struct _GimpChannelTreeViewPrivate
+{
+  GtkWidget *component_editor;
+
+  GtkWidget *toselection_button;
+};
+
+
+static void  gimp_channel_tree_view_view_iface_init   (GimpContainerViewInterface *iface);
+
+static void   gimp_channel_tree_view_constructed      (GObject                 *object);
+
+static void   gimp_channel_tree_view_drop_viewable    (GimpContainerTreeView   *view,
+                                                       GimpViewable            *src_viewable,
+                                                       GimpViewable            *dest_viewable,
+                                                       GtkTreeViewDropPosition  drop_pos);
+static void   gimp_channel_tree_view_drop_component   (GimpContainerTreeView   *tree_view,
+                                                       GimpImage               *image,
+                                                       GimpChannelType          component,
+                                                       GimpViewable            *dest_viewable,
+                                                       GtkTreeViewDropPosition  drop_pos);
+static void   gimp_channel_tree_view_set_image        (GimpItemTreeView        *item_view,
+                                                       GimpImage               *image);
+static GimpItem * gimp_channel_tree_view_item_new     (GimpImage               *image);
+
+static void   gimp_channel_tree_view_set_context      (GimpContainerView       *view,
+                                                       GimpContext             *context);
+static void   gimp_channel_tree_view_set_view_size    (GimpContainerView       *view);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpChannelTreeView, gimp_channel_tree_view,
+                         GIMP_TYPE_DRAWABLE_TREE_VIEW,
+                         G_ADD_PRIVATE (GimpChannelTreeView)
+                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
+                                                gimp_channel_tree_view_view_iface_init))
+
+#define parent_class gimp_channel_tree_view_parent_class
+
+static GimpContainerViewInterface *parent_view_iface = NULL;
+
+
+static void
+gimp_channel_tree_view_class_init (GimpChannelTreeViewClass *klass)
+{
+  GObjectClass               *object_class = G_OBJECT_CLASS (klass);
+  GimpContainerTreeViewClass *view_class   = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
+  GimpItemTreeViewClass      *iv_class     = GIMP_ITEM_TREE_VIEW_CLASS (klass);
+
+  object_class->constructed  = gimp_channel_tree_view_constructed;
+
+  view_class->drop_viewable  = gimp_channel_tree_view_drop_viewable;
+  view_class->drop_component = gimp_channel_tree_view_drop_component;
+
+  iv_class->set_image        = gimp_channel_tree_view_set_image;
+
+  iv_class->item_type        = GIMP_TYPE_CHANNEL;
+  iv_class->signal_name      = "active-channel-changed";
+
+  iv_class->get_container    = gimp_image_get_channels;
+  iv_class->get_active_item  = (GimpGetItemFunc) gimp_image_get_active_channel;
+  iv_class->set_active_item  = (GimpSetItemFunc) gimp_image_set_active_channel;
+  iv_class->add_item         = (GimpAddItemFunc) gimp_image_add_channel;
+  iv_class->remove_item      = (GimpRemoveItemFunc) gimp_image_remove_channel;
+  iv_class->new_item         = gimp_channel_tree_view_item_new;
+
+  iv_class->action_group          = "channels";
+  iv_class->activate_action       = "channels-edit-attributes";
+  iv_class->new_action            = "channels-new";
+  iv_class->new_default_action    = "channels-new-last-values";
+  iv_class->raise_action          = "channels-raise";
+  iv_class->raise_top_action      = "channels-raise-to-top";
+  iv_class->lower_action          = "channels-lower";
+  iv_class->lower_bottom_action   = "channels-lower-to-bottom";
+  iv_class->duplicate_action      = "channels-duplicate";
+  iv_class->delete_action         = "channels-delete";
+  iv_class->lock_content_help_id  = GIMP_HELP_CHANNEL_LOCK_PIXELS;
+  iv_class->lock_position_help_id = GIMP_HELP_CHANNEL_LOCK_POSITION;
+}
+
+static void
+gimp_channel_tree_view_view_iface_init (GimpContainerViewInterface *view_iface)
+{
+  parent_view_iface = g_type_interface_peek_parent (view_iface);
+
+  view_iface->set_context   = gimp_channel_tree_view_set_context;
+  view_iface->set_view_size = gimp_channel_tree_view_set_view_size;
+}
+
+static void
+gimp_channel_tree_view_init (GimpChannelTreeView *view)
+{
+  view->priv = gimp_channel_tree_view_get_instance_private (view);
+
+  view->priv->component_editor   = NULL;
+  view->priv->toselection_button = NULL;
+}
+
+static void
+gimp_channel_tree_view_constructed (GObject *object)
+{
+  GimpChannelTreeView   *view      = GIMP_CHANNEL_TREE_VIEW (object);
+  GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (object);
+  GdkModifierType        extend_mask;
+  GdkModifierType        modify_mask;
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  extend_mask = gtk_widget_get_modifier_mask (GTK_WIDGET (object),
+                                              GDK_MODIFIER_INTENT_EXTEND_SELECTION);
+  modify_mask = gtk_widget_get_modifier_mask (GTK_WIDGET (object),
+                                              GDK_MODIFIER_INTENT_MODIFY_SELECTION);
+
+  gimp_dnd_viewable_dest_add  (GTK_WIDGET (tree_view->view), GIMP_TYPE_LAYER,
+                               NULL, tree_view);
+  gimp_dnd_viewable_dest_add  (GTK_WIDGET (tree_view->view), GIMP_TYPE_LAYER_MASK,
+                               NULL, tree_view);
+  gimp_dnd_component_dest_add (GTK_WIDGET (tree_view->view),
+                               NULL, tree_view);
+
+  view->priv->toselection_button =
+    gimp_editor_add_action_button (GIMP_EDITOR (view), "channels",
+                                   "channels-selection-replace",
+                                   "channels-selection-add",
+                                   extend_mask,
+                                   "channels-selection-subtract",
+                                   modify_mask,
+                                   "channels-selection-intersect",
+                                   extend_mask | modify_mask,
+                                   NULL);
+  gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (view),
+                                  GTK_BUTTON (view->priv->toselection_button),
+                                  GIMP_TYPE_CHANNEL);
+  gtk_box_reorder_child (gimp_editor_get_button_box (GIMP_EDITOR (view)),
+                         view->priv->toselection_button, 4);
+}
+
+
+/*  GimpContainerTreeView methods  */
+
+static void
+gimp_channel_tree_view_drop_viewable (GimpContainerTreeView   *tree_view,
+                                      GimpViewable            *src_viewable,
+                                      GimpViewable            *dest_viewable,
+                                      GtkTreeViewDropPosition  drop_pos)
+{
+  GimpItemTreeView      *item_view = GIMP_ITEM_TREE_VIEW (tree_view);
+  GimpImage             *image     = gimp_item_tree_view_get_image (item_view);
+  GimpItemTreeViewClass *item_view_class;
+
+  item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (item_view);
+
+  if (GIMP_IS_DRAWABLE (src_viewable) &&
+      (image != gimp_item_get_image (GIMP_ITEM (src_viewable)) ||
+       G_TYPE_FROM_INSTANCE (src_viewable) != item_view_class->item_type))
+    {
+      GimpItem *new_item;
+      GimpItem *parent;
+      gint      index;
+
+      index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
+                                                  drop_pos,
+                                                  (GimpViewable **) &parent);
+
+      new_item = gimp_item_convert (GIMP_ITEM (src_viewable),
+                                    gimp_item_tree_view_get_image (item_view),
+                                    item_view_class->item_type);
+
+      gimp_item_set_linked (new_item, FALSE, FALSE);
+
+      item_view_class->add_item (image, new_item, parent, index, TRUE);
+
+      gimp_image_flush (image);
+
+      return;
+    }
+
+  GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_viewable (tree_view,
+                                                                src_viewable,
+                                                                dest_viewable,
+                                                                drop_pos);
+}
+
+static void
+gimp_channel_tree_view_drop_component (GimpContainerTreeView   *tree_view,
+                                       GimpImage               *src_image,
+                                       GimpChannelType          component,
+                                       GimpViewable            *dest_viewable,
+                                       GtkTreeViewDropPosition  drop_pos)
+{
+  GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (tree_view);
+  GimpImage        *image     = gimp_item_tree_view_get_image (item_view);
+  GimpItem         *new_item;
+  GimpChannel      *parent;
+  gint              index;
+  const gchar      *desc;
+  gchar            *name;
+
+  index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
+                                              drop_pos,
+                                              (GimpViewable **) &parent);
+
+  gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
+                       NULL, NULL, &desc, NULL);
+  name = g_strdup_printf (_("%s Channel Copy"), desc);
+
+  new_item = GIMP_ITEM (gimp_channel_new_from_component (src_image, component,
+                                                         name, NULL));
+
+  /*  copied components are invisible by default so subsequent copies
+   *  of components don't affect each other
+   */
+  gimp_item_set_visible (new_item, FALSE, FALSE);
+
+  g_free (name);
+
+  if (src_image != image)
+    GIMP_ITEM_GET_CLASS (new_item)->convert (new_item, image,
+                                             GIMP_TYPE_CHANNEL);
+
+  gimp_image_add_channel (image, GIMP_CHANNEL (new_item), parent, index, TRUE);
+
+  gimp_image_flush (image);
+}
+
+
+/*  GimpItemTreeView methods  */
+
+static void
+gimp_channel_tree_view_set_image (GimpItemTreeView *item_view,
+                                  GimpImage        *image)
+{
+  GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (item_view);
+
+  if (! channel_view->priv->component_editor)
+    {
+      GimpContainerView *view = GIMP_CONTAINER_VIEW (item_view);
+      gint               view_size;
+
+      view_size = gimp_container_view_get_view_size (view, NULL);
+
+      channel_view->priv->component_editor =
+        gimp_component_editor_new (view_size,
+                                   gimp_editor_get_menu_factory (GIMP_EDITOR (item_view)));
+      gimp_docked_set_context (GIMP_DOCKED (channel_view->priv->component_editor),
+                               gimp_container_view_get_context (view));
+      gtk_box_pack_start (GTK_BOX (item_view), channel_view->priv->component_editor,
+                          FALSE, FALSE, 0);
+      gtk_box_reorder_child (GTK_BOX (item_view),
+                             channel_view->priv->component_editor, 0);
+    }
+
+  if (! image)
+    gtk_widget_hide (channel_view->priv->component_editor);
+
+  gimp_image_editor_set_image (GIMP_IMAGE_EDITOR (channel_view->priv->component_editor),
+                               image);
+
+  GIMP_ITEM_TREE_VIEW_CLASS (parent_class)->set_image (item_view, image);
+
+  if (gimp_item_tree_view_get_image (item_view))
+    gtk_widget_show (channel_view->priv->component_editor);
+}
+
+static GimpItem *
+gimp_channel_tree_view_item_new (GimpImage *image)
+{
+  GimpChannel *new_channel;
+  GimpRGB      color;
+
+  gimp_rgba_set (&color, 0.0, 0.0, 0.0, 0.5);
+
+  gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
+                               _("New Channel"));
+
+  new_channel = gimp_channel_new (image,
+                                  gimp_image_get_width (image),
+                                  gimp_image_get_height (image),
+                                  _("Channel"), &color);
+
+  gimp_image_add_channel (image, new_channel,
+                          GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
+
+  gimp_image_undo_group_end (image);
+
+  return GIMP_ITEM (new_channel);
+}
+
+
+/*  GimpContainerView methods  */
+
+static void
+gimp_channel_tree_view_set_context (GimpContainerView *view,
+                                    GimpContext       *context)
+{
+  GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (view);
+
+  parent_view_iface->set_context (view, context);
+
+  if (channel_view->priv->component_editor)
+    gimp_docked_set_context (GIMP_DOCKED (channel_view->priv->component_editor),
+                             context);
+}
+
+static void
+gimp_channel_tree_view_set_view_size (GimpContainerView *view)
+{
+  GimpChannelTreeView *channel_view = GIMP_CHANNEL_TREE_VIEW (view);
+  gint                 view_size;
+
+  parent_view_iface->set_view_size (view);
+
+  view_size = gimp_container_view_get_view_size (view, NULL);
+
+  if (channel_view->priv->component_editor)
+    gimp_component_editor_set_view_size (GIMP_COMPONENT_EDITOR (channel_view->priv->component_editor),
+                                         view_size);
+}