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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 <http://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"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimplayer.h"
#include "core/gimplayermask.h"
#include "core/gimpimage.h"
#include "core/gimpimage-undo.h"
#include "core/gimpitemundo.h"
#include "core/gimptreehandler.h"
#include "text/gimptextlayer.h"
#include "file/file-open.h"
#include "file/file-utils.h"
#include "gimpactiongroup.h"
#include "gimpcellrendererviewable.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimphelp-ids.h"
#include "gimplayertreeview.h"
#include "gimpviewrenderer.h"
#include "gimpuimanager.h"
#include "gimpwidgets-constructors.h"
#include "gimp-intl.h"
struct _GimpLayerTreeViewPriv
{
GtkWidget *paint_mode_menu;
GtkAdjustment *opacity_adjustment;
GtkWidget *lock_alpha_toggle;
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 *lock_alpha_changed_handler;
GimpTreeHandler *mask_changed_handler;
GimpTreeHandler *alpha_changed_handler;
};
static void gimp_layer_tree_view_view_iface_init (GimpContainerViewInterface *iface);
static GObject * gimp_layer_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
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_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static void gimp_layer_tree_view_set_view_size (GimpContainerView *view);
static gboolean gimp_layer_tree_view_drop_possible(GimpContainerTreeView *view,
GimpDndType src_type,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action);
static void gimp_layer_tree_view_drop_color (GimpContainerTreeView *view,
const GimpRGB *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_paint_mode_menu_callback
(GtkWidget *widget,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_opacity_scale_changed
(GtkAdjustment *adj,
GimpLayerTreeView *view);
static void gimp_layer_tree_view_lock_alpha_button_toggled
(GtkWidget *widget,
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,
GimpLayer *layer);
static void gimp_layer_tree_view_update_menu (GimpLayerTreeView *view,
GimpLayer *layer);
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 (GimpLayerMask *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_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->constructor = gimp_layer_tree_view_constructor;
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->item_type = GIMP_TYPE_LAYER;
item_view_class->signal_name = "active-layer-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_active_item = (GimpGetItemFunc) gimp_image_get_active_layer;
item_view_class->set_active_item = (GimpSetItemFunc) gimp_image_set_active_layer;
item_view_class->reorder_item = (GimpReorderItemFunc) gimp_image_reorder_layer;
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-text-tool";
item_view_class->edit_action = "layers-edit-attributes";
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->reorder_desc = _("Reorder Layer");
g_type_class_add_private (klass, sizeof (GimpLayerTreeViewPriv));
}
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_item = gimp_layer_tree_view_select_item;
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 *table;
GtkWidget *hbox;
GtkWidget *image;
GtkIconSize icon_size;
PangoAttribute *attr;
view->priv = G_TYPE_INSTANCE_GET_PRIVATE (view,
GIMP_TYPE_LAYER_TREE_VIEW,
GimpLayerTreeViewPriv);
/* The following used to read:
*
* tree_view->model_columns[tree_view->n_model_columns++] = ...
*
* but combining the two lead to gcc miscompiling the function on ppc/ia64
* (model_column_mask and model_column_mask_visible would have the same
* value, probably due to bad instruction reordering). See bug #113144 for
* more info.
*/
view->priv->model_column_mask = tree_view->n_model_columns;
tree_view->model_columns[tree_view->n_model_columns] = GIMP_TYPE_VIEW_RENDERER;
tree_view->n_model_columns++;
view->priv->model_column_mask_visible = tree_view->n_model_columns;
tree_view->model_columns[tree_view->n_model_columns] = G_TYPE_BOOLEAN;
tree_view->n_model_columns++;
/* Paint mode menu */
view->priv->paint_mode_menu = gimp_paint_mode_menu_new (FALSE, FALSE);
gimp_item_tree_view_add_options (GIMP_ITEM_TREE_VIEW (view),
_("Mode:"),
view->priv->paint_mode_menu);
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (view->priv->paint_mode_menu),
GIMP_NORMAL_MODE,
G_CALLBACK (gimp_layer_tree_view_paint_mode_menu_callback),
view);
gimp_help_set_help_data (view->priv->paint_mode_menu, NULL,
GIMP_HELP_LAYER_DIALOG_PAINT_MODE_MENU);
/* Opacity scale */
table = gtk_table_new (2, 1, FALSE);
view->priv->opacity_adjustment =
GTK_ADJUSTMENT (gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
NULL, -1, -1,
100.0, 0.0, 100.0, 1.0, 10.0, 1,
TRUE, 0.0, 0.0,
NULL,
GIMP_HELP_LAYER_DIALOG_OPACITY_SCALE));
gimp_item_tree_view_add_options (GIMP_ITEM_TREE_VIEW (view),
_("Opacity:"),
table);
g_signal_connect (view->priv->opacity_adjustment, "value-changed",
G_CALLBACK (gimp_layer_tree_view_opacity_scale_changed),
view);
/* Lock alpha toggle */
hbox = gimp_item_tree_view_get_lock_box (GIMP_ITEM_TREE_VIEW (view));
view->priv->lock_alpha_toggle = gtk_toggle_button_new ();
gtk_box_pack_start (GTK_BOX (hbox), view->priv->lock_alpha_toggle,
FALSE, FALSE, 0);
gtk_widget_show (view->priv->lock_alpha_toggle);
g_signal_connect (view->priv->lock_alpha_toggle, "toggled",
G_CALLBACK (gimp_layer_tree_view_lock_alpha_button_toggled),
view);
gimp_help_set_help_data (view->priv->lock_alpha_toggle, _("Lock alpha channel"),
GIMP_HELP_LAYER_DIALOG_LOCK_ALPHA_BUTTON);
gtk_widget_style_get (GTK_WIDGET (view),
"button-icon-size", &icon_size,
NULL);
image = gtk_image_new_from_stock (GIMP_STOCK_TRANSPARENCY, icon_size);
gtk_container_add (GTK_CONTAINER (view->priv->lock_alpha_toggle), image);
gtk_widget_show (image);
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 GObject *
gimp_layer_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GimpContainerTreeView *tree_view;
GimpLayerTreeView *layer_view;
GtkWidget *button;
GObject *object;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
tree_view = GIMP_CONTAINER_TREE_VIEW (object);
layer_view = GIMP_LAYER_TREE_VIEW (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);
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_uri_list_dest_add (GTK_WIDGET (tree_view->view),
NULL, tree_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_pixbuf_dest_add (GTK_WIDGET (tree_view->view),
NULL, tree_view);
/* hide basically useless edit button */
gtk_widget_hide (gimp_item_tree_view_get_edit_button (GIMP_ITEM_TREE_VIEW (layer_view)));
button = gimp_editor_add_action_button (GIMP_EDITOR (layer_view), "layers",
"layers-new-group", NULL);
gtk_box_reorder_child (GTK_BOX (GIMP_EDITOR (layer_view)->button_box),
button, 2);
button = gimp_editor_add_action_button (GIMP_EDITOR (layer_view), "layers",
"layers-anchor", NULL);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (layer_view),
GTK_BUTTON (button),
GIMP_TYPE_LAYER);
gtk_box_reorder_child (GTK_BOX (GIMP_EDITOR (layer_view)->button_box),
button, 6);
return object;
}
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->lock_alpha_changed_handler);
layer_view->priv->lock_alpha_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->lock_alpha_changed_handler =
gimp_tree_handler_connect (container, "lock-alpha-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);
return iter;
}
static gboolean
gimp_layer_tree_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view);
GimpLayerTreeView *layer_view = GIMP_LAYER_TREE_VIEW (view);
gboolean success;
success = parent_view_iface->select_item (view, item, insert_data);
if (item)
{
if (success)
{
gimp_layer_tree_view_update_borders (layer_view,
(GtkTreeIter *) insert_data);
gimp_layer_tree_view_update_options (layer_view, GIMP_LAYER (item));
gimp_layer_tree_view_update_menu (layer_view, GIMP_LAYER (item));
}
if (! success || gimp_layer_is_floating_sel (GIMP_LAYER (item)))
{
gtk_widget_set_sensitive (gimp_item_tree_view_get_edit_button (item_view), FALSE);
}
}
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,
GimpViewable *src_viewable,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action)
{
/* If we are dropping a new layer, check if the destionation 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 ||
GIMP_IS_DRAWABLE (src_viewable))
{
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_viewable,
dest_viewable,
drop_pos,
return_drop_pos,
return_drag_action);
}
static void
gimp_layer_tree_view_drop_color (GimpContainerTreeView *view,
const GimpRGB *color,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
if (gimp_drawable_is_text_layer (GIMP_DRAWABLE (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);
for (list = uri_list; list; list = g_list_next (list))
{
const gchar *uri = list->data;
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,
uri, 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)
{
gchar *filename = file_utils_uri_display_name (uri);
gimp_message (image->gimp, G_OBJECT (view), GIMP_MESSAGE_ERROR,
_("Opening '%s' failed:\n\n%s"),
filename, error->message);
g_clear_error (&error);
g_free (filename);
}
}
gimp_image_flush (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_base_type_with_alpha (image),
_("Dropped Buffer"),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
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)
{
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);
}
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_base_type_with_alpha (image),
_("Empty Layer"), 1.0, GIMP_NORMAL_MODE);
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_VIEW_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_VIEW_COLUMN_NAME_ATTRIBUTES,
gimp_drawable_has_alpha (drawable) ?
NULL : layer_view->priv->bold_attrs,
-1);
}
g_list_free (all_layers);
}
}
/* 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_paint_mode_menu_callback (GtkWidget *widget,
GimpLayerTreeView *view)
{
GimpImage *image;
GimpLayer *layer = NULL;
image = gimp_item_tree_view_get_image (GIMP_ITEM_TREE_VIEW (view));
if (image)
layer = (GimpLayer *)
GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (image);
if (layer)
{
gint mode;
if (gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (widget),
&mode) &&
gimp_layer_get_mode (layer) != (GimpLayerModeEffects) mode)
{
GimpUndo *undo;
gboolean push_undo = TRUE;
/* compress layer mode undos */
undo = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_MODE);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
BLOCK();
gimp_layer_set_mode (layer, (GimpLayerModeEffects) 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)));
}
}
}
static void
gimp_layer_tree_view_lock_alpha_button_toggled (GtkWidget *widget,
GimpLayerTreeView *view)
{
GimpImage *image;
GimpLayer *layer;
image = gimp_item_tree_view_get_image (GIMP_ITEM_TREE_VIEW (view));
layer = (GimpLayer *)
GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (image);
if (layer)
{
gboolean lock_alpha;
lock_alpha = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
if (gimp_layer_get_lock_alpha (layer) != lock_alpha)
{
GimpUndo *undo;
gboolean push_undo = TRUE;
/* compress lock alpha undos */
undo = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_LOCK_ALPHA);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
BLOCK();
gimp_layer_set_lock_alpha (layer, lock_alpha, push_undo);
UNBLOCK();
gimp_image_flush (image);
}
}
}
static void
gimp_layer_tree_view_opacity_scale_changed (GtkAdjustment *adjustment,
GimpLayerTreeView *view)
{
GimpImage *image;
GimpLayer *layer;
image = gimp_item_tree_view_get_image (GIMP_ITEM_TREE_VIEW (view));
layer = (GimpLayer *)
GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (image);
if (layer)
{
gdouble opacity = gtk_adjustment_get_value (adjustment) / 100.0;
if (gimp_layer_get_opacity (layer) != opacity)
{
GimpUndo *undo;
gboolean push_undo = TRUE;
/* compress opacity undos */
undo = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
GIMP_UNDO_LAYER_OPACITY);
if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
push_undo = FALSE;
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)));
}
}
}
#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);
GimpLayer *active_layer;
active_layer = (GimpLayer *)
GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (gimp_item_tree_view_get_image (item_view));
if (active_layer == layer)
gimp_layer_tree_view_update_options (view, layer);
}
#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,
GimpLayer *layer)
{
BLOCK (view->priv->paint_mode_menu,
gimp_layer_tree_view_paint_mode_menu_callback);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (view->priv->paint_mode_menu),
gimp_layer_get_mode (layer));
UNBLOCK (view->priv->paint_mode_menu,
gimp_layer_tree_view_paint_mode_menu_callback);
if (gimp_layer_get_lock_alpha (layer) !=
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (view->priv->lock_alpha_toggle)))
{
BLOCK (view->priv->lock_alpha_toggle,
gimp_layer_tree_view_lock_alpha_button_toggled);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (view->priv->lock_alpha_toggle),
gimp_layer_get_lock_alpha (layer));
UNBLOCK (view->priv->lock_alpha_toggle,
gimp_layer_tree_view_lock_alpha_button_toggled);
}
gtk_widget_set_sensitive (view->priv->lock_alpha_toggle,
gimp_layer_can_lock_alpha (layer));
if (gimp_layer_get_opacity (layer) * 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,
gimp_layer_get_opacity (layer) * 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,
GimpLayer *layer)
{
GimpUIManager *ui_manager = GIMP_EDITOR (layer_view)->ui_manager;
GimpActionGroup *group;
GimpLayerMask *mask;
group = gimp_ui_manager_get_action_group (ui_manager, "layers");
mask = gimp_layer_get_mask (layer);
gimp_action_group_set_action_active (group, "layers-mask-show",
mask &&
gimp_layer_mask_get_show (mask));
gimp_action_group_set_action_active (group, "layers-mask-disable",
mask &&
! gimp_layer_mask_get_apply (mask));
gimp_action_group_set_action_active (group, "layers-mask-edit",
mask &&
gimp_layer_mask_get_edit (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 (mask, "apply-changed", closure, FALSE);
g_signal_connect_closure (mask, "edit-changed", closure, FALSE);
g_signal_connect_closure (mask, "show-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;
GimpLayerMask *mask = NULL;
GimpViewBorderType layer_type = GIMP_VIEW_BORDER_BLACK;
gtk_tree_model_get (tree_view->model, iter,
GIMP_CONTAINER_TREE_VIEW_COLUMN_RENDERER, &layer_renderer,
layer_view->priv->model_column_mask, &mask_renderer,
-1);
if (mask_renderer)
mask = GIMP_LAYER_MASK (mask_renderer->viewable);
if (! mask || (mask && ! gimp_layer_mask_get_edit (mask)))
layer_type = GIMP_VIEW_BORDER_WHITE;
gimp_view_renderer_set_border_type (layer_renderer, layer_type);
if (mask)
{
GimpViewBorderType mask_color = GIMP_VIEW_BORDER_BLACK;
if (gimp_layer_mask_get_show (mask))
{
mask_color = GIMP_VIEW_BORDER_GREEN;
}
else if (! gimp_layer_mask_get_apply (mask))
{
mask_color = GIMP_VIEW_BORDER_RED;
}
else if (gimp_layer_mask_get_edit (mask))
{
mask_color = GIMP_VIEW_BORDER_WHITE;
}
gimp_view_renderer_set_border_type (mask_renderer, mask_color);
}
if (layer_renderer)
g_object_unref (layer_renderer);
if (mask_renderer)
g_object_unref (mask_renderer);
}
static void
gimp_layer_tree_view_mask_callback (GimpLayerMask *mask,
GimpLayerTreeView *layer_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (layer_view);
GtkTreeIter *iter;
iter = gimp_container_view_lookup (view, (GimpViewable *)
gimp_layer_mask_get_layer (mask));
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;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
GimpUIManager *ui_manager = GIMP_EDITOR (tree_view)->ui_manager;
GimpActionGroup *group;
group = gimp_ui_manager_get_action_group (ui_manager, "layers");
if (state & GDK_MOD1_MASK)
{
const gchar *action = "layers-alpha-selection-replace";
if ((state & GDK_SHIFT_MASK) && (state & GDK_CONTROL_MASK))
{
action = "layers-alpha-selection-intersect";
}
else if (state & GDK_SHIFT_MASK)
{
action = "layers-alpha-selection-add";
}
else if (state & GDK_CONTROL_MASK)
{
action = "layers-alpha-selection-subtract";
}
gimp_action_group_activate_action (group, action);
}
else
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &iter,
layer_view->priv->model_column_mask, &renderer,
-1);
if (renderer)
{
GimpLayerMask *mask = GIMP_LAYER_MASK (renderer->viewable);
if (gimp_layer_mask_get_edit (mask))
gimp_action_group_set_action_active (group,
"layers-mask-edit", FALSE);
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 (tree_view)->ui_manager;
group = gimp_ui_manager_get_action_group (ui_manager, "layers");
gtk_tree_model_get (tree_view->model, &iter,
layer_view->priv->model_column_mask, &renderer,
-1);
if (renderer)
{
GimpLayerMask *mask = GIMP_LAYER_MASK (renderer->viewable);
if (state & GDK_MOD1_MASK)
gimp_action_group_set_action_active (group, "layers-mask-show",
! gimp_layer_mask_get_show (mask));
else if (state & GDK_CONTROL_MASK)
gimp_action_group_set_action_active (group, "layers-mask-disable",
gimp_layer_mask_get_apply (mask));
else if (! gimp_layer_mask_get_edit (mask))
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_VIEW_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 (gimp_image_get_active_layer (gimp_item_tree_view_get_image (item_view)) == layer)
gimp_container_view_select_item (GIMP_CONTAINER_VIEW (view),
GIMP_VIEWABLE (layer));
}
}
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