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gimp/app/widgets/gimplayertreeview.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimplayertreeview.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 <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#if 0
/* For mask features in gimp_layer_tree_view_layer_clicked() */
#include "config/gimpdialogconfig.h"
#endif
#include "core/gimp.h"
#include "core/gimpchannel.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage-undo.h"
#include "core/gimpimage-undo-push.h"
#include "core/gimpimage.h"
#include "core/gimpitemlist.h"
#include "core/gimpitemundo.h"
#include "core/gimplayer.h"
#include "core/gimplayer-floating-selection.h"
#include "core/gimplayer-new.h"
#include "core/gimplayermask.h"
#include "core/gimptreehandler.h"
#include "text/gimptextlayer.h"
#include "file/file-open.h"
#include "gimpactiongroup.h"
#include "gimpcellrendererviewable.h"
#include "gimpcontainertreestore.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimphelp-ids.h"
#include "gimplayermodebox.h"
#include "gimplayertreeview.h"
#include "gimptoggleaction.h"
#include "gimpuimanager.h"
#include "gimpviewrenderer.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
struct _GimpLayerTreeViewPrivate
{
GtkWidget *layer_mode_box;
GtkAdjustment *opacity_adjustment;
GtkWidget *anchor_button;
gint model_column_mask;
gint model_column_mask_visible;
GtkCellRenderer *mask_cell;
PangoAttrList *italic_attrs;
PangoAttrList *bold_attrs;
GimpTreeHandler *mode_changed_handler;
GimpTreeHandler *opacity_changed_handler;
GimpTreeHandler *mask_changed_handler;
GimpTreeHandler *alpha_changed_handler;
};
static void gimp_layer_tree_view_view_iface_init (GimpContainerViewInterface *iface);
static void gimp_layer_tree_view_constructed (GObject *object);
static void gimp_layer_tree_view_finalize (GObject *object);
static void gimp_layer_tree_view_set_container (GimpContainerView *view,
GimpContainer *container);
static void gimp_layer_tree_view_set_context (GimpContainerView *view,
GimpContext *context);
static gpointer gimp_layer_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer parent_insert_data,
gint index);
static gboolean gimp_layer_tree_view_select_items (GimpContainerView *view,
GList *items,
GList *paths);
static void gimp_layer_tree_view_set_view_size (GimpContainerView *view);
static gboolean gimp_layer_tree_view_drop_possible (GimpContainerTreeView *view,
GimpDndType src_type,
GList *src_viewables,
GimpViewable *dest_viewable,
GtkTreePath *drop_path,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action);
static void gimp_layer_tree_view_drop_color (GimpContainerTreeView *view,
GeglColor *color,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void gimp_layer_tree_view_drop_uri_list (GimpContainerTreeView *view,
GList *uri_list,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void gimp_layer_tree_view_drop_component (GimpContainerTreeView *tree_view,
GimpImage *image,
GimpChannelType component,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void gimp_layer_tree_view_drop_pixbuf (GimpContainerTreeView *tree_view,
GdkPixbuf *pixbuf,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void gimp_layer_tree_view_set_image (GimpItemTreeView *view,
GimpImage *image);
static GimpItem * gimp_layer_tree_view_item_new (GimpImage *image);
static void gimp_layer_tree_view_floating_selection_changed (GimpImage *image,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_layer_mode_box_callback (GtkWidget *widget,
const GParamSpec *pspec,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_opacity_scale_changed (GtkAdjustment *adj,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_layer_signal_handler (GimpLayer *layer,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_update_options (GimpLayerTreeView *view,
GList *layers);
static void gimp_layer_tree_view_update_menu (GimpLayerTreeView *view,
GList *layers);
static void gimp_layer_tree_view_update_highlight (GimpLayerTreeView *view);
static void gimp_layer_tree_view_mask_update (GimpLayerTreeView *view,
GtkTreeIter *iter,
GimpLayer *layer);
static void gimp_layer_tree_view_mask_changed (GimpLayer *layer,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_renderer_update (GimpViewRenderer *renderer,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_update_borders (GimpLayerTreeView *view,
GtkTreeIter *iter);
static void gimp_layer_tree_view_mask_callback (GimpLayer *mask,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_layer_clicked (GimpCellRendererViewable *cell,
const gchar *path,
GdkModifierType state,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_mask_clicked (GimpCellRendererViewable *cell,
const gchar *path,
GdkModifierType state,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_alpha_update (GimpLayerTreeView *view,
GtkTreeIter *iter,
GimpLayer *layer);
static void gimp_layer_tree_view_alpha_changed (GimpLayer *layer,
GimpLayerTreeView *view);
G_DEFINE_TYPE_WITH_CODE (GimpLayerTreeView, gimp_layer_tree_view,
GIMP_TYPE_DRAWABLE_TREE_VIEW,
G_ADD_PRIVATE (GimpLayerTreeView)
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
gimp_layer_tree_view_view_iface_init))
#define parent_class gimp_layer_tree_view_parent_class
static GimpContainerViewInterface *parent_view_iface = NULL;
static void
gimp_layer_tree_view_class_init (GimpLayerTreeViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpContainerTreeViewClass *tree_view_class;
GimpItemTreeViewClass *item_view_class;
tree_view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
item_view_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
object_class->constructed = gimp_layer_tree_view_constructed;
object_class->finalize = gimp_layer_tree_view_finalize;
tree_view_class->drop_possible = gimp_layer_tree_view_drop_possible;
tree_view_class->drop_color = gimp_layer_tree_view_drop_color;
tree_view_class->drop_uri_list = gimp_layer_tree_view_drop_uri_list;
tree_view_class->drop_component = gimp_layer_tree_view_drop_component;
tree_view_class->drop_pixbuf = gimp_layer_tree_view_drop_pixbuf;
item_view_class->move_cursor_up_action = "layers-select-previous";
item_view_class->move_cursor_down_action = "layers-select-next";
item_view_class->move_cursor_up_flat_action = "layers-select-flattened-previous";
item_view_class->move_cursor_down_flat_action = "layers-select-flattened-next";
item_view_class->move_cursor_start_action = "layers-select-top";
item_view_class->move_cursor_end_action = "layers-select-bottom";
item_view_class->item_type = GIMP_TYPE_LAYER;
item_view_class->signal_name = "selected-layers-changed";
item_view_class->set_image = gimp_layer_tree_view_set_image;
item_view_class->get_container = gimp_image_get_layers;
item_view_class->get_selected_items = (GimpGetItemsFunc) gimp_image_get_selected_layers;
item_view_class->set_selected_items = (GimpSetItemsFunc) gimp_image_set_selected_layers;
item_view_class->add_item = (GimpAddItemFunc) gimp_image_add_layer;
item_view_class->remove_item = (GimpRemoveItemFunc) gimp_image_remove_layer;
item_view_class->new_item = gimp_layer_tree_view_item_new;
item_view_class->action_group = "layers";
item_view_class->activate_action = "layers-edit";
item_view_class->new_action = "layers-new";
item_view_class->new_default_action = "layers-new-last-values";
item_view_class->raise_action = "layers-raise";
item_view_class->raise_top_action = "layers-raise-to-top";
item_view_class->lower_action = "layers-lower";
item_view_class->lower_bottom_action = "layers-lower-to-bottom";
item_view_class->duplicate_action = "layers-duplicate";
item_view_class->delete_action = "layers-delete";
item_view_class->lock_content_help_id = GIMP_HELP_LAYER_LOCK_PIXELS;
item_view_class->lock_position_help_id = GIMP_HELP_LAYER_LOCK_POSITION;
item_view_class->lock_visibility_help_id = GIMP_HELP_LAYER_LOCK_VISIBILITY;
}
static void
gimp_layer_tree_view_view_iface_init (GimpContainerViewInterface *iface)
{
parent_view_iface = g_type_interface_peek_parent (iface);
iface->set_container = gimp_layer_tree_view_set_container;
iface->set_context = gimp_layer_tree_view_set_context;
iface->insert_item = gimp_layer_tree_view_insert_item;
iface->select_items = gimp_layer_tree_view_select_items;
iface->set_view_size = gimp_layer_tree_view_set_view_size;
iface->model_is_tree = TRUE;
}
static void
gimp_layer_tree_view_init (GimpLayerTreeView *view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkWidget *scale;
PangoAttribute *attr;
view->priv = gimp_layer_tree_view_get_instance_private (view);
view->priv->model_column_mask =
gimp_container_tree_store_columns_add (tree_view->model_columns,
&tree_view->n_model_columns,
GIMP_TYPE_VIEW_RENDERER);
view->priv->model_column_mask_visible =
gimp_container_tree_store_columns_add (tree_view->model_columns,
&tree_view->n_model_columns,
G_TYPE_BOOLEAN);
/* Paint mode menu */
view->priv->layer_mode_box = gimp_layer_mode_box_new (GIMP_LAYER_MODE_CONTEXT_LAYER);
gimp_layer_mode_box_set_label (GIMP_LAYER_MODE_BOX (view->priv->layer_mode_box),
_("Mode"));
gimp_item_tree_view_add_options (GIMP_ITEM_TREE_VIEW (view), NULL,
view->priv->layer_mode_box);
g_signal_connect (view->priv->layer_mode_box, "notify::layer-mode",
G_CALLBACK (gimp_layer_tree_view_layer_mode_box_callback),
view);
gimp_help_connect (view->priv->layer_mode_box, NULL, gimp_standard_help_func,
GIMP_HELP_LAYER_DIALOG_PAINT_MODE_MENU, NULL, NULL);
/* Opacity scale */
view->priv->opacity_adjustment = gtk_adjustment_new (100.0, 0.0, 100.0,
1.0, 10.0, 0.0);
scale = gimp_spin_scale_new (view->priv->opacity_adjustment, _("Opacity"), 1);
gimp_spin_scale_set_constrain_drag (GIMP_SPIN_SCALE (scale), TRUE);
gimp_help_connect (scale, NULL, gimp_standard_help_func,
GIMP_HELP_LAYER_DIALOG_OPACITY_SCALE, NULL, NULL);
gimp_item_tree_view_add_options (GIMP_ITEM_TREE_VIEW (view),
NULL, scale);
g_signal_connect (view->priv->opacity_adjustment, "value-changed",
G_CALLBACK (gimp_layer_tree_view_opacity_scale_changed),
view);
view->priv->italic_attrs = pango_attr_list_new ();
attr = pango_attr_style_new (PANGO_STYLE_ITALIC);
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (view->priv->italic_attrs, attr);
view->priv->bold_attrs = pango_attr_list_new ();
attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (view->priv->bold_attrs, attr);
}
static void
gimp_layer_tree_view_constructed (GObject *object)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (object);
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (object);
GtkWidget *button;
G_OBJECT_CLASS (parent_class)->constructed (object);
layer_view->priv->mask_cell = gimp_cell_renderer_viewable_new ();
gtk_tree_view_column_pack_start (tree_view->main_column,
layer_view->priv->mask_cell,
FALSE);
gtk_tree_view_column_set_attributes (tree_view->main_column,
layer_view->priv->mask_cell,
"renderer",
layer_view->priv->model_column_mask,
"visible",
layer_view->priv->model_column_mask_visible,
NULL);
gimp_container_tree_view_add_renderer_cell (tree_view,
layer_view->priv->mask_cell,
layer_view->priv->model_column_mask);
g_signal_connect (tree_view->renderer_cell, "clicked",
G_CALLBACK (gimp_layer_tree_view_layer_clicked),
layer_view);
g_signal_connect (layer_view->priv->mask_cell, "clicked",
G_CALLBACK (gimp_layer_tree_view_mask_clicked),
layer_view);
gimp_dnd_component_dest_add (GTK_WIDGET (tree_view->view),
NULL, tree_view);
gimp_dnd_viewable_dest_add (GTK_WIDGET (tree_view->view), GIMP_TYPE_CHANNEL,
NULL, tree_view);
gimp_dnd_viewable_dest_add (GTK_WIDGET (tree_view->view), GIMP_TYPE_LAYER_MASK,
NULL, tree_view);
gimp_dnd_uri_list_dest_add (GTK_WIDGET (tree_view->view),
NULL, tree_view);
gimp_dnd_pixbuf_dest_add (GTK_WIDGET (tree_view->view),
NULL, tree_view);
button = gimp_editor_add_action_button (GIMP_EDITOR (layer_view), "layers",
"layers-new-group", NULL);
gtk_box_reorder_child (gimp_editor_get_button_box (GIMP_EDITOR (layer_view)),
button, 1);
button = gimp_editor_add_action_button (GIMP_EDITOR (layer_view), "layers",
"layers-anchor", NULL);
layer_view->priv->anchor_button = button;
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (layer_view),
GTK_BUTTON (button),
GIMP_TYPE_LAYER);
gtk_box_reorder_child (gimp_editor_get_button_box (GIMP_EDITOR (layer_view)),
button, 5);
button = gimp_editor_add_action_button (GIMP_EDITOR (layer_view), "layers",
"layers-merge-down-button",
"layers-merge-group",
GDK_SHIFT_MASK,
"layers-merge-layers",
GDK_CONTROL_MASK,
"layers-merge-layers-last-values",
GDK_CONTROL_MASK |
GDK_SHIFT_MASK,
NULL);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (layer_view),
GTK_BUTTON (button),
GIMP_TYPE_LAYER);
gtk_box_reorder_child (gimp_editor_get_button_box (GIMP_EDITOR (layer_view)),
button, 6);
button = gimp_editor_add_action_button (GIMP_EDITOR (layer_view), "layers",
"layers-mask-add-button",
"layers-mask-add-last-values",
gimp_get_extend_selection_mask (),
"layers-mask-delete",
gimp_get_modify_selection_mask (),
"layers-mask-apply",
gimp_get_extend_selection_mask () |
gimp_get_modify_selection_mask (),
NULL);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (layer_view),
GTK_BUTTON (button),
GIMP_TYPE_LAYER);
gtk_box_reorder_child (gimp_editor_get_button_box (GIMP_EDITOR (layer_view)),
button, 7);
/* Lock alpha toggle */
gimp_item_tree_view_add_lock (GIMP_ITEM_TREE_VIEW (tree_view),
GIMP_ICON_LOCK_ALPHA,
(GimpIsLockedFunc) gimp_layer_get_lock_alpha,
(GimpCanLockFunc) gimp_layer_can_lock_alpha,
(GimpSetLockFunc) gimp_layer_set_lock_alpha,
(GimpUndoLockPush) gimp_image_undo_push_layer_lock_alpha,
"lock-alpha-changed",
GIMP_UNDO_LAYER_LOCK_ALPHA,
GIMP_UNDO_GROUP_LAYER_LOCK_ALPHA,
_("Lock alpha channel"),
_("Unlock alpha channel"),
_("Set Item Exclusive Alpha Channel lock"),
_("Lock alpha channel"),
GIMP_HELP_LAYER_LOCK_ALPHA);
}
static void
gimp_layer_tree_view_finalize (GObject *object)
{
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (object);
if (layer_view->priv->italic_attrs)
{
pango_attr_list_unref (layer_view->priv->italic_attrs);
layer_view->priv->italic_attrs = NULL;
}
if (layer_view->priv->bold_attrs)
{
pango_attr_list_unref (layer_view->priv->bold_attrs);
layer_view->priv->bold_attrs = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/* GimpContainerView methods */
static void
gimp_layer_tree_view_set_container (GimpContainerView *view,
GimpContainer *container)
{
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (view);
GimpContainer *old_container;
old_container = gimp_container_view_get_container (view);
if (old_container)
{
gimp_tree_handler_disconnect (layer_view->priv->mode_changed_handler);
layer_view->priv->mode_changed_handler = NULL;
gimp_tree_handler_disconnect (layer_view->priv->opacity_changed_handler);
layer_view->priv->opacity_changed_handler = NULL;
gimp_tree_handler_disconnect (layer_view->priv->mask_changed_handler);
layer_view->priv->mask_changed_handler = NULL;
gimp_tree_handler_disconnect (layer_view->priv->alpha_changed_handler);
layer_view->priv->alpha_changed_handler = NULL;
}
parent_view_iface->set_container (view, container);
if (container)
{
layer_view->priv->mode_changed_handler =
gimp_tree_handler_connect (container, "mode-changed",
G_CALLBACK (gimp_layer_tree_view_layer_signal_handler),
view);
layer_view->priv->opacity_changed_handler =
gimp_tree_handler_connect (container, "opacity-changed",
G_CALLBACK (gimp_layer_tree_view_layer_signal_handler),
view);
layer_view->priv->mask_changed_handler =
gimp_tree_handler_connect (container, "mask-changed",
G_CALLBACK (gimp_layer_tree_view_mask_changed),
view);
layer_view->priv->alpha_changed_handler =
gimp_tree_handler_connect (container, "alpha-changed",
G_CALLBACK (gimp_layer_tree_view_alpha_changed),
view);
}
}
typedef struct
{
gint mask_column;
GimpContext *context;
} SetContextForeachData;
static gboolean
gimp_layer_tree_view_set_context_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
SetContextForeachData *context_data = data;
GimpViewRenderer *renderer;
gtk_tree_model_get (model, iter,
context_data->mask_column, &renderer,
-1);
if (renderer)
{
gimp_view_renderer_set_context (renderer, context_data->context);
g_object_unref (renderer);
}
return FALSE;
}
static void
gimp_layer_tree_view_set_context (GimpContainerView *view,
GimpContext *context)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (view);
parent_view_iface->set_context (view, context);
if (tree_view->model)
{
SetContextForeachData context_data = { layer_view->priv->model_column_mask,
context };
gtk_tree_model_foreach (tree_view->model,
gimp_layer_tree_view_set_context_foreach,
&context_data);
}
}
static gpointer
gimp_layer_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer parent_insert_data,
gint index)
{
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (view);
GimpLayer *layer;
GtkTreeIter *iter;
iter = parent_view_iface->insert_item (view, viewable,
parent_insert_data, index);
layer = GIMP_LAYER (viewable);
if (! gimp_drawable_has_alpha (GIMP_DRAWABLE (layer)))
gimp_layer_tree_view_alpha_update (layer_view, iter, layer);
gimp_layer_tree_view_mask_update (layer_view, iter, layer);
if (GIMP_IS_LAYER (viewable) && gimp_layer_is_floating_sel (GIMP_LAYER (viewable)))
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GimpLayer *floating = GIMP_LAYER (viewable);
GimpDrawable *drawable = gimp_layer_get_floating_sel_drawable (floating);
if (GIMP_IS_LAYER_MASK (drawable))
{
/* Display floating mask in the mask column. */
GimpViewRenderer *renderer = NULL;
gtk_tree_model_get (GTK_TREE_MODEL (tree_view->model), iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer)
{
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
layer_view->priv->model_column_mask, renderer,
layer_view->priv->model_column_mask_visible, TRUE,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, NULL,
-1);
g_object_unref (renderer);
}
}
}
return iter;
}
static gboolean
gimp_layer_tree_view_select_items (GimpContainerView *view,
GList *items,
GList *paths)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (view);
GList *layers = items;
GList *path = paths;
gboolean success;
success = parent_view_iface->select_items (view, items, paths);
if (layers)
{
if (success)
{
if (g_list_length (items) == 1)
{
GtkTreeIter *iter = NULL;
iter =
gimp_container_view_lookup (GIMP_CONTAINER_VIEW (layer_view),
GIMP_VIEWABLE (layers->data));
if (iter)
gimp_layer_tree_view_update_borders (layer_view, iter);
}
else
{
for (layers = items, path = paths;
layers && path;
layers = layers->next, path = path->next)
{
GtkTreeIter iter;
gtk_tree_model_get_iter (tree_view->model, &iter,
path->data);
gimp_layer_tree_view_update_borders (layer_view, &iter);
}
}
gimp_layer_tree_view_update_options (layer_view, items);
gimp_layer_tree_view_update_menu (layer_view, items);
}
}
if (! success)
{
GimpEditor *editor = GIMP_EDITOR (view);
/* currently, select_items() only ever fails when there is a floating
* selection, which can be committed/canceled through the editor buttons.
*/
gimp_widget_blink (GTK_WIDGET (gimp_editor_get_button_box (editor)));
}
return success;
}
typedef struct
{
gint mask_column;
gint view_size;
gint border_width;
} SetSizeForeachData;
static gboolean
gimp_layer_tree_view_set_view_size_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
SetSizeForeachData *size_data = data;
GimpViewRenderer *renderer;
gtk_tree_model_get (model, iter,
size_data->mask_column, &renderer,
-1);
if (renderer)
{
gimp_view_renderer_set_size (renderer,
size_data->view_size,
size_data->border_width);
g_object_unref (renderer);
}
return FALSE;
}
static void
gimp_layer_tree_view_set_view_size (GimpContainerView *view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
if (tree_view->model)
{
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (view);
SetSizeForeachData size_data;
size_data.mask_column = layer_view->priv->model_column_mask;
size_data.view_size =
gimp_container_view_get_view_size (view, &size_data.border_width);
gtk_tree_model_foreach (tree_view->model,
gimp_layer_tree_view_set_view_size_foreach,
&size_data);
}
parent_view_iface->set_view_size (view);
}
/* GimpContainerTreeView methods */
static gboolean
gimp_layer_tree_view_drop_possible (GimpContainerTreeView *tree_view,
GimpDndType src_type,
GList *src_viewables,
GimpViewable *dest_viewable,
GtkTreePath *drop_path,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action)
{
/* If we are dropping a new layer, check if the destination image
* has a floating selection.
*/
if (src_type == GIMP_DND_TYPE_URI_LIST ||
src_type == GIMP_DND_TYPE_TEXT_PLAIN ||
src_type == GIMP_DND_TYPE_NETSCAPE_URL ||
src_type == GIMP_DND_TYPE_COMPONENT ||
src_type == GIMP_DND_TYPE_PIXBUF ||
g_list_length (src_viewables) > 0)
{
GimpImage *dest_image = gimp_item_tree_view_get_image (GIMP_ITEM_TREE_VIEW (tree_view));
if (gimp_image_get_floating_selection (dest_image))
return FALSE;
}
return GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_possible (tree_view,
src_type,
src_viewables,
dest_viewable,
drop_path,
drop_pos,
return_drop_pos,
return_drag_action);
}
static void
gimp_layer_tree_view_drop_color (GimpContainerTreeView *view,
GeglColor *color,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
if (gimp_item_is_text_layer (GIMP_ITEM (dest_viewable)))
{
gimp_text_layer_set (GIMP_TEXT_LAYER (dest_viewable), NULL,
"color", color,
NULL);
gimp_image_flush (gimp_item_tree_view_get_image (GIMP_ITEM_TREE_VIEW (view)));
return;
}
GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_color (view, color,
dest_viewable,
drop_pos);
}
static void
gimp_layer_tree_view_drop_uri_list (GimpContainerTreeView *view,
GList *uri_list,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
GimpContainerView *cont_view = GIMP_CONTAINER_VIEW (view);
GimpImage *image = gimp_item_tree_view_get_image (item_view);
GimpLayer *parent;
gint index;
GList *list;
index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
drop_pos,
(GimpViewable **) &parent);
g_object_ref (image);
for (list = uri_list; list; list = g_list_next (list))
{
const gchar *uri = list->data;
GFile *file = g_file_new_for_uri (uri);
GList *new_layers;
GimpPDBStatusType status;
GError *error = NULL;
new_layers = file_open_layers (image->gimp,
gimp_container_view_get_context (cont_view),
NULL,
image, FALSE,
file, GIMP_RUN_INTERACTIVE, NULL,
&status, &error);
if (new_layers)
{
gimp_image_add_layers (image, new_layers, parent, index,
0, 0,
gimp_image_get_width (image),
gimp_image_get_height (image),
_("Drop layers"));
index += g_list_length (new_layers);
g_list_free (new_layers);
}
else if (status != GIMP_PDB_CANCEL)
{
gimp_message (image->gimp, G_OBJECT (view), GIMP_MESSAGE_ERROR,
_("Opening '%s' failed:\n\n%s"),
gimp_file_get_utf8_name (file), error->message);
g_clear_error (&error);
}
g_object_unref (file);
}
gimp_image_flush (image);
g_object_unref (image);
}
static void
gimp_layer_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);
GimpChannel *channel;
GimpItem *new_item;
GimpLayer *parent;
gint index;
const gchar *desc;
index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
drop_pos,
(GimpViewable **) &parent);
channel = gimp_channel_new_from_component (src_image, component, NULL, NULL);
new_item = gimp_item_convert (GIMP_ITEM (channel), image,
GIMP_TYPE_LAYER);
g_object_unref (channel);
gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
NULL, NULL, &desc, NULL);
gimp_object_take_name (GIMP_OBJECT (new_item),
g_strdup_printf (_("%s Channel Copy"), desc));
gimp_image_add_layer (image, GIMP_LAYER (new_item), parent, index, TRUE);
gimp_image_flush (image);
}
static void
gimp_layer_tree_view_drop_pixbuf (GimpContainerTreeView *tree_view,
GdkPixbuf *pixbuf,
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);
GimpLayer *new_layer;
GimpLayer *parent;
gint index;
index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
drop_pos,
(GimpViewable **) &parent);
new_layer =
gimp_layer_new_from_pixbuf (pixbuf, image,
gimp_image_get_layer_format (image, TRUE),
_("Dropped Buffer"),
GIMP_OPACITY_OPAQUE,
gimp_image_get_default_new_layer_mode (image));
gimp_image_add_layer (image, new_layer, parent, index, TRUE);
gimp_image_flush (image);
}
/* GimpItemTreeView methods */
static void
gimp_layer_tree_view_set_image (GimpItemTreeView *view,
GimpImage *image)
{
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (view);
if (gimp_item_tree_view_get_image (view))
{
g_signal_handlers_disconnect_by_func (gimp_item_tree_view_get_image (view),
gimp_layer_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_layer_tree_view_floating_selection_changed),
view);
/* call gimp_layer_tree_view_floating_selection_changed() now, to update
* the floating selection's row attributes.
*/
gimp_layer_tree_view_floating_selection_changed (
gimp_item_tree_view_get_image (view),
layer_view);
}
gimp_layer_tree_view_update_highlight (layer_view);
}
static GimpItem *
gimp_layer_tree_view_item_new (GimpImage *image)
{
GimpLayer *new_layer;
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("New Layer"));
new_layer = gimp_layer_new (image,
gimp_image_get_width (image),
gimp_image_get_height (image),
gimp_image_get_layer_format (image, TRUE),
NULL,
GIMP_OPACITY_OPAQUE,
gimp_image_get_default_new_layer_mode (image));
gimp_image_add_layer (image, new_layer,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (image);
return GIMP_ITEM (new_layer);
}
/* callbacks */
static void
gimp_layer_tree_view_floating_selection_changed (GimpImage *image,
GimpLayerTreeView *layer_view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (layer_view);
GimpContainerView *view = GIMP_CONTAINER_VIEW (layer_view);
GimpLayer *floating_sel;
GtkTreeIter *iter;
floating_sel = gimp_image_get_floating_selection (image);
if (floating_sel)
{
iter = gimp_container_view_lookup (view, (GimpViewable *) floating_sel);
if (iter)
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_ATTRIBUTES,
layer_view->priv->italic_attrs,
-1);
}
else
{
GList *all_layers;
GList *list;
all_layers = gimp_image_get_layer_list (image);
for (list = all_layers; list; list = g_list_next (list))
{
GimpDrawable *drawable = list->data;
iter = gimp_container_view_lookup (view, (GimpViewable *) drawable);
if (iter)
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_ATTRIBUTES,
gimp_drawable_has_alpha (drawable) ?
NULL : layer_view->priv->bold_attrs,
-1);
}
g_list_free (all_layers);
}
gimp_layer_tree_view_update_highlight (layer_view);
}
/* Paint Mode, Opacity and Lock alpha callbacks */
#define BLOCK() \
g_signal_handlers_block_by_func (layer, \
gimp_layer_tree_view_layer_signal_handler, view)
#define UNBLOCK() \
g_signal_handlers_unblock_by_func (layer, \
gimp_layer_tree_view_layer_signal_handler, view)
static void
gimp_layer_tree_view_layer_mode_box_callback (GtkWidget *widget,
const GParamSpec *pspec,
GimpLayerTreeView *view)
{
GimpImage *image;
GList *layers = NULL;
GList *iter;
GimpUndo *undo;
gboolean push_undo = TRUE;
gint n_layers = 0;
GimpLayerMode mode;
image = gimp_item_tree_view_get_image (GIMP_ITEM_TREE_VIEW (view));
mode = gimp_layer_mode_box_get_mode (GIMP_LAYER_MODE_BOX (widget));
undo = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_MODE);
if (image)
layers = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_selected_items (image);
for (iter = layers; iter; iter = iter->next)
{
if (gimp_layer_get_mode (iter->data) != mode)
{
n_layers++;
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (iter->data))
push_undo = FALSE;
}
}
if (n_layers > 1)
{
/* Don't compress mode undos with more than 1 layer changed. */
push_undo = TRUE;
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_LAYER_OPACITY,
_("Set layers mode"));
}
for (iter = layers; iter; iter = iter->next)
{
GimpLayer *layer = iter->data;
if (gimp_layer_get_mode (layer) != mode)
{
BLOCK();
gimp_layer_set_mode (layer, (GimpLayerMode) mode, push_undo);
UNBLOCK();
}
}
gimp_image_flush (image);
if (! push_undo)
gimp_undo_refresh_preview (undo, gimp_container_view_get_context (GIMP_CONTAINER_VIEW (view)));
if (n_layers > 1)
gimp_image_undo_group_end (image);
}
static void
gimp_layer_tree_view_opacity_scale_changed (GtkAdjustment *adjustment,
GimpLayerTreeView *view)
{
GimpImage *image;
GList *layers;
GList *iter;
GimpUndo *undo;
gboolean push_undo = TRUE;
gint n_layers = 0;
gdouble opacity;
image = gimp_item_tree_view_get_image (GIMP_ITEM_TREE_VIEW (view));
layers = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_selected_items (image);
undo = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_OPACITY);
opacity = gtk_adjustment_get_value (adjustment) / 100.0;
for (iter = layers; iter; iter = iter->next)
{
if (gimp_layer_get_opacity (iter->data) != opacity)
{
n_layers++;
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (iter->data))
push_undo = FALSE;
}
}
if (n_layers > 1)
{
/* Don't compress opacity undos with more than 1 layer changed. */
push_undo = TRUE;
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_LAYER_OPACITY,
_("Set layers opacity"));
}
for (iter = layers; iter; iter = iter->next)
{
GimpLayer *layer = iter->data;
if (gimp_layer_get_opacity (layer) != opacity)
{
BLOCK();
gimp_layer_set_opacity (layer, opacity, push_undo);
UNBLOCK();
}
}
gimp_image_flush (image);
if (! push_undo)
gimp_undo_refresh_preview (undo, gimp_container_view_get_context (GIMP_CONTAINER_VIEW (view)));
if (n_layers > 1)
gimp_image_undo_group_end (image);
}
#undef BLOCK
#undef UNBLOCK
static void
gimp_layer_tree_view_layer_signal_handler (GimpLayer *layer,
GimpLayerTreeView *view)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
GList *selected_layers;
selected_layers =
GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_selected_items (gimp_item_tree_view_get_image (item_view));
if (g_list_find (selected_layers, layer))
gimp_layer_tree_view_update_options (view, selected_layers);
}
#define BLOCK(object,function) \
g_signal_handlers_block_by_func ((object), (function), view)
#define UNBLOCK(object,function) \
g_signal_handlers_unblock_by_func ((object), (function), view)
static void
gimp_layer_tree_view_update_options (GimpLayerTreeView *view,
GList *layers)
{
GList *iter;
GimpLayerMode mode = GIMP_LAYER_MODE_SEPARATOR;
GimpLayerModeContext context = 0;
/*gboolean inconsistent_opacity = FALSE;*/
gboolean inconsistent_mode = FALSE;
gdouble opacity = -1.0;
for (iter = layers; iter; iter = iter->next)
{
#if 0
if (opacity != -1.0 &&
opacity != gimp_layer_get_opacity (iter->data))
/* We don't really have a way to show an inconsistent
* GimpSpinScale. This is currently unused.
*/
inconsistent_opacity = TRUE;
#endif
opacity = gimp_layer_get_opacity (iter->data);
if (gimp_viewable_get_children (iter->data))
context |= GIMP_LAYER_MODE_CONTEXT_GROUP;
else
context |= GIMP_LAYER_MODE_CONTEXT_LAYER;
if (mode != GIMP_LAYER_MODE_SEPARATOR &&
mode != gimp_layer_get_mode (iter->data))
inconsistent_mode = TRUE;
mode = gimp_layer_get_mode (iter->data);
}
if (opacity == -1.0)
opacity = 1.0;
if (inconsistent_mode)
mode = GIMP_LAYER_MODE_SEPARATOR;
if (! context)
context = GIMP_LAYER_MODE_CONTEXT_LAYER;
BLOCK (view->priv->layer_mode_box,
gimp_layer_tree_view_layer_mode_box_callback);
gimp_layer_mode_box_set_context (GIMP_LAYER_MODE_BOX (view->priv->layer_mode_box),
context);
gimp_layer_mode_box_set_mode (GIMP_LAYER_MODE_BOX (view->priv->layer_mode_box),
mode);
UNBLOCK (view->priv->layer_mode_box,
gimp_layer_tree_view_layer_mode_box_callback);
if (opacity * 100.0 !=
gtk_adjustment_get_value (view->priv->opacity_adjustment))
{
BLOCK (view->priv->opacity_adjustment,
gimp_layer_tree_view_opacity_scale_changed);
gtk_adjustment_set_value (view->priv->opacity_adjustment,
opacity * 100.0);
UNBLOCK (view->priv->opacity_adjustment,
gimp_layer_tree_view_opacity_scale_changed);
}
}
#undef BLOCK
#undef UNBLOCK
static void
gimp_layer_tree_view_update_menu (GimpLayerTreeView *layer_view,
GList *layers)
{
GimpUIManager *ui_manager = gimp_editor_get_ui_manager (GIMP_EDITOR (layer_view));
GimpActionGroup *group;
GList *iter;
gboolean have_masks = FALSE;
gboolean all_masks_shown = TRUE;
gboolean all_masks_disabled = TRUE;
group = gimp_ui_manager_get_action_group (ui_manager, "layers");
for (iter = layers; iter; iter = iter->next)
{
if (gimp_layer_get_mask (iter->data))
{
have_masks = TRUE;
if (! gimp_layer_get_show_mask (iter->data))
all_masks_shown = FALSE;
if (gimp_layer_get_apply_mask (iter->data))
all_masks_disabled = FALSE;
}
}
gimp_action_group_set_action_active (group, "layers-mask-show",
have_masks && all_masks_shown);
gimp_action_group_set_action_active (group, "layers-mask-disable",
have_masks && all_masks_disabled);
/* Only one layer mask at a time can be edited. */
gimp_action_group_set_action_active (group, "layers-mask-edit",
g_list_length (layers) == 1 &&
gimp_layer_get_mask (layers->data) &&
gimp_layer_get_edit_mask (layers->data));
}
static void
gimp_layer_tree_view_update_highlight (GimpLayerTreeView *layer_view)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (layer_view);
GimpImage *image = gimp_item_tree_view_get_image (item_view);
GimpLayer *floating_sel = NULL;
GtkReliefStyle default_relief;
if (image)
floating_sel = gimp_image_get_floating_selection (image);
gtk_widget_style_get (GTK_WIDGET (layer_view),
"button-relief", &default_relief,
NULL);
gimp_button_set_suggested (gimp_item_tree_view_get_new_button (item_view),
floating_sel &&
! GIMP_IS_CHANNEL (gimp_layer_get_floating_sel_drawable (floating_sel)),
default_relief);
gimp_button_set_destructive (gimp_item_tree_view_get_delete_button (item_view),
floating_sel != NULL,
default_relief);
gimp_button_set_suggested (layer_view->priv->anchor_button,
floating_sel != NULL,
default_relief);
if (floating_sel != NULL)
{
if (GIMP_IS_LAYER_MASK (gimp_layer_get_floating_sel_drawable (floating_sel)))
gtk_widget_set_tooltip_text (layer_view->priv->anchor_button,
C_("layers-action", "Anchor the floating mask"));
else
gtk_widget_set_tooltip_text (layer_view->priv->anchor_button,
C_("layers-action", "Anchor the floating layer"));
}
else
{
gtk_widget_set_tooltip_text (layer_view->priv->anchor_button,
C_("layers-action", "Anchor the floating layer or mask"));
}
}
/* Layer Mask callbacks */
static void
gimp_layer_tree_view_mask_update (GimpLayerTreeView *layer_view,
GtkTreeIter *iter,
GimpLayer *layer)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (layer_view);
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (layer_view);
GimpLayerMask *mask;
GimpViewRenderer *renderer = NULL;
gboolean mask_visible = FALSE;
mask = gimp_layer_get_mask (layer);
if (mask)
{
GClosure *closure;
gint view_size;
gint border_width;
view_size = gimp_container_view_get_view_size (view, &border_width);
mask_visible = TRUE;
renderer = gimp_view_renderer_new (gimp_container_view_get_context (view),
G_TYPE_FROM_INSTANCE (mask),
view_size, border_width,
FALSE);
gimp_view_renderer_set_viewable (renderer, GIMP_VIEWABLE (mask));
g_signal_connect (renderer, "update",
G_CALLBACK (gimp_layer_tree_view_renderer_update),
layer_view);
closure = g_cclosure_new (G_CALLBACK (gimp_layer_tree_view_mask_callback),
layer_view, NULL);
g_object_watch_closure (G_OBJECT (renderer), closure);
g_signal_connect_closure (layer, "apply-mask-changed", closure, FALSE);
g_signal_connect_closure (layer, "edit-mask-changed", closure, FALSE);
g_signal_connect_closure (layer, "show-mask-changed", closure, FALSE);
}
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
layer_view->priv->model_column_mask, renderer,
layer_view->priv->model_column_mask_visible, mask_visible,
-1);
gimp_layer_tree_view_update_borders (layer_view, iter);
if (renderer)
{
gimp_view_renderer_remove_idle (renderer);
g_object_unref (renderer);
}
}
static void
gimp_layer_tree_view_mask_changed (GimpLayer *layer,
GimpLayerTreeView *layer_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (layer_view);
GtkTreeIter *iter;
iter = gimp_container_view_lookup (view, GIMP_VIEWABLE (layer));
if (iter)
gimp_layer_tree_view_mask_update (layer_view, iter, layer);
}
static void
gimp_layer_tree_view_renderer_update (GimpViewRenderer *renderer,
GimpLayerTreeView *layer_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (layer_view);
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (layer_view);
GimpLayerMask *mask;
GtkTreeIter *iter;
mask = GIMP_LAYER_MASK (renderer->viewable);
iter = gimp_container_view_lookup (view, (GimpViewable *)
gimp_layer_mask_get_layer (mask));
if (iter)
{
GtkTreePath *path;
path = gtk_tree_model_get_path (tree_view->model, iter);
gtk_tree_model_row_changed (tree_view->model, path, iter);
gtk_tree_path_free (path);
}
}
static void
gimp_layer_tree_view_update_borders (GimpLayerTreeView *layer_view,
GtkTreeIter *iter)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (layer_view);
GimpViewRenderer *layer_renderer;
GimpViewRenderer *mask_renderer;
GimpLayer *layer = NULL;
GimpLayerMask *mask = NULL;
GimpViewBorderType layer_type = GIMP_VIEW_BORDER_BLACK;
gtk_tree_model_get (tree_view->model, iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &layer_renderer,
layer_view->priv->model_column_mask, &mask_renderer,
-1);
if (layer_renderer)
layer = GIMP_LAYER (layer_renderer->viewable);
else if (mask_renderer && GIMP_IS_LAYER (mask_renderer->viewable))
/* This happens when floating masks are displayed (in the mask column).
* In such a case, the mask_renderer will actually be a layer renderer
* showing the floating mask.
*/
layer = GIMP_LAYER (mask_renderer->viewable);
g_return_if_fail (layer != NULL);
if (mask_renderer && GIMP_IS_LAYER_MASK (mask_renderer->viewable))
mask = GIMP_LAYER_MASK (mask_renderer->viewable);
if (! mask || (mask && ! gimp_layer_get_edit_mask (layer)))
layer_type = GIMP_VIEW_BORDER_WHITE;
if (layer_renderer)
gimp_view_renderer_set_border_type (layer_renderer, layer_type);
if (mask)
{
GimpViewBorderType mask_color = GIMP_VIEW_BORDER_BLACK;
if (gimp_layer_get_show_mask (layer))
{
mask_color = GIMP_VIEW_BORDER_GREEN;
}
else if (! gimp_layer_get_apply_mask (layer))
{
mask_color = GIMP_VIEW_BORDER_RED;
}
else if (gimp_layer_get_edit_mask (layer))
{
mask_color = GIMP_VIEW_BORDER_WHITE;
}
gimp_view_renderer_set_border_type (mask_renderer, mask_color);
}
else if (mask_renderer)
{
/* Floating mask. */
gimp_view_renderer_set_border_type (mask_renderer, GIMP_VIEW_BORDER_WHITE);
}
if (layer_renderer)
g_object_unref (layer_renderer);
if (mask_renderer)
g_object_unref (mask_renderer);
}
static void
gimp_layer_tree_view_mask_callback (GimpLayer *layer,
GimpLayerTreeView *layer_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (layer_view);
GtkTreeIter *iter;
iter = gimp_container_view_lookup (view, (GimpViewable *) layer);
gimp_layer_tree_view_update_borders (layer_view, iter);
}
static void
gimp_layer_tree_view_layer_clicked (GimpCellRendererViewable *cell,
const gchar *path_str,
GdkModifierType state,
GimpLayerTreeView *layer_view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (layer_view);
GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
GtkTreeIter iter;
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
GimpUIManager *ui_manager;
GimpActionGroup *group;
GimpViewRenderer *renderer;
ui_manager = gimp_editor_get_ui_manager (GIMP_EDITOR (tree_view));
group = gimp_ui_manager_get_action_group (ui_manager, "layers");
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer)
{
GimpLayer *layer = GIMP_LAYER (renderer->viewable);
GimpLayerMask *mask = gimp_layer_get_mask (layer);
GdkModifierType modifiers = (state & gimp_get_all_modifiers_mask ());
#if 0
/* This feature has been removed because it clashes with the
* multi-selection (Shift/Ctrl are reserved), and we can't move it to
* Alt+ because then it would clash with the alpha-to-selection features
* (cf. gimp_item_tree_view_item_pre_clicked()).
* Just macro-ing them out for now, just in case, but I don't think
* there is a chance to revive them as there is no infinite modifiers.
*/
GimpImage *image;
image = gimp_item_get_image (GIMP_ITEM (layer));
if ((modifiers & GDK_MOD1_MASK))
{
/* Alternative functions (Alt key or equivalent) when
* clicking on a layer preview. The actions happen only on
* the clicked layer, not on selected layers.
*
* Note: Alt-click is already reserved for Alpha to
* selection in GimpItemTreeView.
*/
if (modifiers == (GDK_MOD1_MASK | GDK_SHIFT_MASK))
{
/* Alt-Shift-click adds a layer mask with last values */
GimpDialogConfig *config;
GimpChannel *channel = NULL;
if (! mask)
{
config = GIMP_DIALOG_CONFIG (image->gimp->config);
if (config->layer_add_mask_type == GIMP_ADD_MASK_CHANNEL)
{
channel = gimp_image_get_active_channel (image);
if (! channel)
{
GimpContainer *channels = gimp_image_get_channels (image);
channel = GIMP_CHANNEL (gimp_container_get_first_child (channels));
}
if (! channel)
{
/* No channel. We cannot perform the add
* mask action. */
g_message (_("No channels to create a layer mask from."));
}
}
if (config->layer_add_mask_type != GIMP_ADD_MASK_CHANNEL || channel)
{
mask = gimp_layer_create_mask (layer,
config->layer_add_mask_type,
channel);
if (config->layer_add_mask_invert)
gimp_channel_invert (GIMP_CHANNEL (mask), FALSE);
gimp_layer_add_mask (layer, mask, TRUE, NULL);
gimp_image_flush (image);
}
}
}
else if (modifiers == (GDK_MOD1_MASK | GDK_CONTROL_MASK))
{
/* Alt-Control-click removes a layer mask */
if (mask)
{
gimp_layer_apply_mask (layer, GIMP_MASK_DISCARD, TRUE);
gimp_image_flush (image);
}
}
else if (modifiers == (GDK_MOD1_MASK | GDK_CONTROL_MASK | GDK_SHIFT_MASK))
{
/* Alt-Shift-Control-click applies a layer mask */
if (mask)
{
gimp_layer_apply_mask (layer, GIMP_MASK_APPLY, TRUE);
gimp_image_flush (image);
}
}
}
else
#endif
if (! modifiers)
{
/* Simple clicks (without modifiers) activate the layer */
if (mask && gimp_layer_get_edit_mask (layer))
gimp_action_group_set_action_active (group,
"layers-mask-edit", FALSE);
else
gimp_layer_tree_view_update_borders (layer_view, &iter);
}
g_object_unref (renderer);
}
}
gtk_tree_path_free (path);
}
static void
gimp_layer_tree_view_mask_clicked (GimpCellRendererViewable *cell,
const gchar *path_str,
GdkModifierType state,
GimpLayerTreeView *layer_view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (layer_view);
GtkTreePath *path;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
GimpViewRenderer *renderer;
GimpUIManager *ui_manager;
GimpActionGroup *group;
ui_manager = gimp_editor_get_ui_manager (GIMP_EDITOR (tree_view));
group = gimp_ui_manager_get_action_group (ui_manager, "layers");
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer)
{
GimpLayer *layer = GIMP_LAYER (renderer->viewable);
GdkModifierType modifiers = gimp_get_all_modifiers_mask ();
if ((state & GDK_MOD1_MASK))
{
GimpImage *image;
image = gimp_item_get_image (GIMP_ITEM (layer));
if ((state & modifiers) == GDK_MOD1_MASK)
{
/* Alt-click shows/hides a layer mask */
gimp_layer_set_show_mask (layer,
! gimp_layer_get_show_mask (layer),
TRUE);
gimp_image_flush (image);
}
else if ((state & modifiers) == (GDK_MOD1_MASK | GDK_CONTROL_MASK))
{
/* Alt-Control-click enables/disables a layer mask */
gimp_layer_set_apply_mask (layer,
! gimp_layer_get_apply_mask (layer),
TRUE);
gimp_image_flush (image);
}
}
else if (! gimp_layer_get_edit_mask (layer))
{
/* Simple click selects the mask for edition. */
gimp_action_group_set_action_active (group, "layers-mask-edit",
TRUE);
}
g_object_unref (renderer);
}
}
gtk_tree_path_free (path);
}
/* GimpDrawable alpha callbacks */
static void
gimp_layer_tree_view_alpha_update (GimpLayerTreeView *view,
GtkTreeIter *iter,
GimpLayer *layer)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_ATTRIBUTES,
gimp_drawable_has_alpha (GIMP_DRAWABLE (layer)) ?
NULL : view->priv->bold_attrs,
-1);
}
static void
gimp_layer_tree_view_alpha_changed (GimpLayer *layer,
GimpLayerTreeView *layer_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (layer_view);
GtkTreeIter *iter;
iter = gimp_container_view_lookup (view, (GimpViewable *) layer);
if (iter)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
gimp_layer_tree_view_alpha_update (layer_view, iter, layer);
/* update button states */
if (g_list_find (gimp_image_get_selected_layers (gimp_item_tree_view_get_image (item_view)),
layer))
gimp_container_view_select_items (GIMP_CONTAINER_VIEW (view),
gimp_image_get_selected_layers (gimp_item_tree_view_get_image (item_view)));
}
}
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