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-rw-r--r--app/widgets/gimpchanneltreeview.c368
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diff --git a/app/widgets/gimpchanneltreeview.c b/app/widgets/gimpchanneltreeview.c
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+/* 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);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-09 00:38:10 +0000