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gimp/app/widgets/gimpcontainertreeview.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontainertreeview.c
* Copyright (C) 2003-2010 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 <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpmarshal.h"
#include "core/gimpviewable.h"
#include "gimpcellrendererviewable.h"
#include "gimpcontainertreestore.h"
#include "gimpcontainertreeview.h"
#include "gimpcontainertreeview-dnd.h"
#include "gimpcontainertreeview.h"
#include "gimpcontainertreeview-private.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimpviewrenderer.h"
#include "gimpwidgets-utils.h"
enum
{
EDIT_NAME,
LAST_SIGNAL
};
static void gimp_container_tree_view_view_iface_init (GimpContainerViewInterface *iface);
static void gimp_container_tree_view_constructed (GObject *object);
static void gimp_container_tree_view_finalize (GObject *object);
static void gimp_container_tree_view_unmap (GtkWidget *widget);
static gboolean gimp_container_tree_view_popup_menu (GtkWidget *widget);
static void gimp_container_tree_view_set_container (GimpContainerView *view,
GimpContainer *container);
static void gimp_container_tree_view_set_context (GimpContainerView *view,
GimpContext *context);
static void gimp_container_tree_view_set_selection_mode(GimpContainerView *view,
GtkSelectionMode mode);
static gpointer gimp_container_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer parent_insert_data,
gint index);
static void gimp_container_tree_view_remove_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static void gimp_container_tree_view_reorder_item (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
gpointer insert_data);
static void gimp_container_tree_view_rename_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static gboolean gimp_container_tree_view_select_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static void gimp_container_tree_view_clear_items (GimpContainerView *view);
static void gimp_container_tree_view_set_view_size (GimpContainerView *view);
static void gimp_container_tree_view_real_edit_name (GimpContainerTreeView *tree_view);
static void gimp_container_tree_view_name_started (GtkCellRendererText *cell,
GtkCellEditable *editable,
const gchar *path_str,
GimpContainerTreeView *tree_view);
static void gimp_container_tree_view_name_canceled (GtkCellRendererText *cell,
GimpContainerTreeView *tree_view);
static void gimp_container_tree_view_selection_changed (GtkTreeSelection *sel,
GimpContainerTreeView *tree_view);
static gboolean gimp_container_tree_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpContainerTreeView *tree_view);
static gboolean gimp_container_tree_view_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
GimpContainerTreeView *tree_view);
static GimpViewable *gimp_container_tree_view_drag_viewable (GtkWidget *widget,
GimpContext **context,
gpointer data);
static GdkPixbuf *gimp_container_tree_view_drag_pixbuf (GtkWidget *widget,
gpointer data);
static gboolean gimp_container_tree_view_get_selected_single (GimpContainerTreeView *tree_view,
GtkTreeIter *iter);
static gint gimp_container_tree_view_get_selected (GimpContainerView *view,
GList **items);
static void gimp_container_tree_view_row_expanded (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path,
GimpContainerTreeView *view);
static void gimp_container_tree_view_expand_rows (GtkTreeModel *model,
GtkTreeView *view,
GtkTreeIter *parent);
G_DEFINE_TYPE_WITH_CODE (GimpContainerTreeView, gimp_container_tree_view,
GIMP_TYPE_CONTAINER_BOX,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
gimp_container_tree_view_view_iface_init))
#define parent_class gimp_container_tree_view_parent_class
static GimpContainerViewInterface *parent_view_iface = NULL;
static guint tree_view_signals[LAST_SIGNAL] = { 0 };
static void
gimp_container_tree_view_class_init (GimpContainerTreeViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkBindingSet *binding_set;
object_class->constructed = gimp_container_tree_view_constructed;
object_class->finalize = gimp_container_tree_view_finalize;
widget_class->unmap = gimp_container_tree_view_unmap;
widget_class->popup_menu = gimp_container_tree_view_popup_menu;
klass->edit_name = gimp_container_tree_view_real_edit_name;
klass->drop_possible = gimp_container_tree_view_real_drop_possible;
klass->drop_viewable = gimp_container_tree_view_real_drop_viewable;
klass->drop_color = NULL;
klass->drop_uri_list = NULL;
klass->drop_svg = NULL;
klass->drop_component = NULL;
klass->drop_pixbuf = NULL;
tree_view_signals[EDIT_NAME] =
g_signal_new ("edit-name",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GimpContainerTreeViewClass, edit_name),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_F2, 0,
"edit-name", 0);
g_type_class_add_private (klass, sizeof (GimpContainerTreeViewPriv));
}
static void
gimp_container_tree_view_view_iface_init (GimpContainerViewInterface *iface)
{
parent_view_iface = g_type_interface_peek_parent (iface);
if (! parent_view_iface)
parent_view_iface = g_type_default_interface_peek (GIMP_TYPE_CONTAINER_VIEW);
iface->set_container = gimp_container_tree_view_set_container;
iface->set_context = gimp_container_tree_view_set_context;
iface->set_selection_mode = gimp_container_tree_view_set_selection_mode;
iface->insert_item = gimp_container_tree_view_insert_item;
iface->remove_item = gimp_container_tree_view_remove_item;
iface->reorder_item = gimp_container_tree_view_reorder_item;
iface->rename_item = gimp_container_tree_view_rename_item;
iface->select_item = gimp_container_tree_view_select_item;
iface->clear_items = gimp_container_tree_view_clear_items;
iface->set_view_size = gimp_container_tree_view_set_view_size;
iface->get_selected = gimp_container_tree_view_get_selected;
iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free;
}
static void
gimp_container_tree_view_init (GimpContainerTreeView *tree_view)
{
GimpContainerBox *box = GIMP_CONTAINER_BOX (tree_view);
tree_view->priv = G_TYPE_INSTANCE_GET_PRIVATE (tree_view,
GIMP_TYPE_CONTAINER_TREE_VIEW,
GimpContainerTreeViewPriv);
gimp_container_tree_store_columns_init (tree_view->model_columns,
&tree_view->n_model_columns);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (box->scrolled_win),
GTK_SHADOW_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (box->scrolled_win),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
}
static void
gimp_container_tree_view_constructed (GObject *object)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (object);
GimpContainerView *view = GIMP_CONTAINER_VIEW (object);
GimpContainerBox *box = GIMP_CONTAINER_BOX (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
tree_view->model = gimp_container_tree_store_new (view,
tree_view->n_model_columns,
tree_view->model_columns);
tree_view->view = g_object_new (GTK_TYPE_TREE_VIEW,
"model", tree_view->model,
"search-column", GIMP_CONTAINER_TREE_STORE_COLUMN_NAME,
"enable-search", FALSE,
"headers-visible", FALSE,
"has-tooltip", TRUE,
"show-expanders", GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->model_is_tree,
NULL);
g_object_unref (tree_view->model);
gtk_container_add (GTK_CONTAINER (box->scrolled_win),
GTK_WIDGET (tree_view->view));
gtk_widget_show (GTK_WIDGET (tree_view->view));
gimp_container_view_set_dnd_widget (view, GTK_WIDGET (tree_view->view));
tree_view->main_column = gtk_tree_view_column_new ();
gtk_tree_view_insert_column (tree_view->view, tree_view->main_column, 0);
gtk_tree_view_set_expander_column (tree_view->view, tree_view->main_column);
gtk_tree_view_set_enable_tree_lines (tree_view->view, TRUE);
tree_view->renderer_cell = gimp_cell_renderer_viewable_new ();
gtk_tree_view_column_pack_start (tree_view->main_column,
tree_view->renderer_cell,
FALSE);
gtk_tree_view_column_set_attributes (tree_view->main_column,
tree_view->renderer_cell,
"renderer", GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER,
NULL);
tree_view->priv->name_cell = gtk_cell_renderer_text_new ();
g_object_set (tree_view->priv->name_cell, "xalign", 0.0, NULL);
gtk_tree_view_column_pack_end (tree_view->main_column,
tree_view->priv->name_cell,
FALSE);
gtk_tree_view_column_set_attributes (tree_view->main_column,
tree_view->priv->name_cell,
"text", GIMP_CONTAINER_TREE_STORE_COLUMN_NAME,
"attributes", GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_ATTRIBUTES,
"sensitive", GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_SENSITIVE,
NULL);
g_signal_connect (tree_view->priv->name_cell, "editing-started",
G_CALLBACK (gimp_container_tree_view_name_started),
tree_view);
g_signal_connect (tree_view->priv->name_cell, "editing-canceled",
G_CALLBACK (gimp_container_tree_view_name_canceled),
tree_view);
gimp_container_tree_view_add_renderer_cell (tree_view,
tree_view->renderer_cell);
tree_view->priv->selection = gtk_tree_view_get_selection (tree_view->view);
g_signal_connect (tree_view->priv->selection, "changed",
G_CALLBACK (gimp_container_tree_view_selection_changed),
tree_view);
g_signal_connect (tree_view->view, "drag-failed",
G_CALLBACK (gimp_container_tree_view_drag_failed),
tree_view);
g_signal_connect (tree_view->view, "drag-leave",
G_CALLBACK (gimp_container_tree_view_drag_leave),
tree_view);
g_signal_connect (tree_view->view, "drag-motion",
G_CALLBACK (gimp_container_tree_view_drag_motion),
tree_view);
g_signal_connect (tree_view->view, "drag-drop",
G_CALLBACK (gimp_container_tree_view_drag_drop),
tree_view);
g_signal_connect (tree_view->view, "drag-data-received",
G_CALLBACK (gimp_container_tree_view_drag_data_received),
tree_view);
g_signal_connect (tree_view->view, "query-tooltip",
G_CALLBACK (gimp_container_tree_view_tooltip),
tree_view);
}
static void
gimp_container_tree_view_finalize (GObject *object)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (object);
if (tree_view->priv->toggle_cells)
{
g_list_free (tree_view->priv->toggle_cells);
tree_view->priv->toggle_cells = NULL;
}
if (tree_view->priv->renderer_cells)
{
g_list_free (tree_view->priv->renderer_cells);
tree_view->priv->renderer_cells = NULL;
}
if (tree_view->priv->editable_cells)
{
g_list_free (tree_view->priv->editable_cells);
tree_view->priv->editable_cells = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_container_tree_view_unmap (GtkWidget *widget)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (widget);
if (tree_view->priv->scroll_timeout_id)
{
g_source_remove (tree_view->priv->scroll_timeout_id);
tree_view->priv->scroll_timeout_id = 0;
}
GTK_WIDGET_CLASS (parent_class)->unmap (widget);
}
static void
gimp_container_tree_view_menu_position (GtkMenu *menu,
gint *x,
gint *y,
gpointer data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (data);
GtkWidget *widget = GTK_WIDGET (tree_view->view);
GtkAllocation allocation;
GtkTreeIter selected_iter;
gtk_widget_get_allocation (widget, &allocation);
gdk_window_get_origin (gtk_widget_get_window (widget), x, y);
if (! gtk_widget_get_has_window (widget))
{
*x += allocation.x;
*y += allocation.y;
}
if (gimp_container_tree_view_get_selected_single (tree_view, &selected_iter))
{
GtkTreePath *path;
GdkRectangle cell_rect;
gint center;
path = gtk_tree_model_get_path (tree_view->model, &selected_iter);
gtk_tree_view_get_cell_area (tree_view->view, path,
tree_view->main_column, &cell_rect);
gtk_tree_path_free (path);
center = cell_rect.y + cell_rect.height / 2;
center = CLAMP (center, 0, allocation.height);
*x += allocation.width / 2;
*y += center;
}
else
{
GtkStyle *style = gtk_widget_get_style (widget);
*x += style->xthickness;
*y += style->ythickness;
}
gimp_menu_position (menu, x, y);
}
static gboolean
gimp_container_tree_view_popup_menu (GtkWidget *widget)
{
return gimp_editor_popup_menu (GIMP_EDITOR (widget),
gimp_container_tree_view_menu_position,
widget);
}
GtkWidget *
gimp_container_tree_view_new (GimpContainer *container,
GimpContext *context,
gint view_size,
gint view_border_width)
{
GimpContainerTreeView *tree_view;
GimpContainerView *view;
g_return_val_if_fail (container == NULL || GIMP_IS_CONTAINER (container),
NULL);
g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
NULL);
tree_view = g_object_new (GIMP_TYPE_CONTAINER_TREE_VIEW, NULL);
view = GIMP_CONTAINER_VIEW (tree_view);
gimp_container_view_set_view_size (view, view_size, view_border_width);
if (container)
gimp_container_view_set_container (view, container);
if (context)
gimp_container_view_set_context (view, context);
return GTK_WIDGET (tree_view);
}
GtkCellRenderer *
gimp_container_tree_view_get_name_cell (GimpContainerTreeView *tree_view)
{
g_return_val_if_fail (GIMP_IS_CONTAINER_TREE_VIEW (tree_view), NULL);
return tree_view->priv->name_cell;
}
void
gimp_container_tree_view_set_main_column_title (GimpContainerTreeView *tree_view,
const gchar *title)
{
g_return_if_fail (GIMP_IS_CONTAINER_TREE_VIEW (tree_view));
gtk_tree_view_column_set_title (tree_view->main_column,
title);
}
void
gimp_container_tree_view_add_toggle_cell (GimpContainerTreeView *tree_view,
GtkCellRenderer *cell)
{
g_return_if_fail (GIMP_IS_CONTAINER_TREE_VIEW (tree_view));
g_return_if_fail (GIMP_IS_CELL_RENDERER_TOGGLE (cell));
tree_view->priv->toggle_cells = g_list_prepend (tree_view->priv->toggle_cells,
cell);
}
void
gimp_container_tree_view_add_renderer_cell (GimpContainerTreeView *tree_view,
GtkCellRenderer *cell)
{
g_return_if_fail (GIMP_IS_CONTAINER_TREE_VIEW (tree_view));
g_return_if_fail (GIMP_IS_CELL_RENDERER_VIEWABLE (cell));
tree_view->priv->renderer_cells = g_list_prepend (tree_view->priv->renderer_cells,
cell);
gimp_container_tree_store_add_renderer_cell (GIMP_CONTAINER_TREE_STORE (tree_view->model),
cell);
}
void
gimp_container_tree_view_set_dnd_drop_to_empty (GimpContainerTreeView *tree_view,
gboolean dnd_drop_to_empty)
{
g_return_if_fail (GIMP_IS_CONTAINER_TREE_VIEW (tree_view));
tree_view->priv->dnd_drop_to_empty = dnd_drop_to_empty;
}
void
gimp_container_tree_view_connect_name_edited (GimpContainerTreeView *tree_view,
GCallback callback,
gpointer data)
{
g_return_if_fail (GIMP_IS_CONTAINER_TREE_VIEW (tree_view));
g_return_if_fail (callback != NULL);
g_object_set (tree_view->priv->name_cell,
"mode", GTK_CELL_RENDERER_MODE_EDITABLE,
"editable", TRUE,
NULL);
if (! g_list_find (tree_view->priv->editable_cells, tree_view->priv->name_cell))
tree_view->priv->editable_cells = g_list_prepend (tree_view->priv->editable_cells,
tree_view->priv->name_cell);
g_signal_connect (tree_view->priv->name_cell, "edited",
callback,
data);
}
/* GimpContainerView methods */
static void
gimp_container_tree_view_set_container (GimpContainerView *view,
GimpContainer *container)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GimpContainer *old_container;
old_container = gimp_container_view_get_container (view);
if (old_container)
{
tree_view->priv->dnd_renderer = NULL;
g_signal_handlers_disconnect_by_func (tree_view->view,
gimp_container_tree_view_row_expanded,
tree_view);
if (! container)
{
if (gimp_dnd_viewable_source_remove (GTK_WIDGET (tree_view->view),
gimp_container_get_children_type (old_container)))
{
if (GIMP_VIEWABLE_CLASS (g_type_class_peek (gimp_container_get_children_type (old_container)))->get_size)
gimp_dnd_pixbuf_source_remove (GTK_WIDGET (tree_view->view));
gtk_drag_source_unset (GTK_WIDGET (tree_view->view));
}
g_signal_handlers_disconnect_by_func (tree_view->view,
gimp_container_tree_view_button_press,
tree_view);
}
}
else if (container)
{
if (gimp_dnd_drag_source_set_by_type (GTK_WIDGET (tree_view->view),
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
gimp_container_get_children_type (container),
GDK_ACTION_COPY))
{
gimp_dnd_viewable_source_add (GTK_WIDGET (tree_view->view),
gimp_container_get_children_type (container),
gimp_container_tree_view_drag_viewable,
tree_view);
if (GIMP_VIEWABLE_CLASS (g_type_class_peek (gimp_container_get_children_type (container)))->get_size)
gimp_dnd_pixbuf_source_add (GTK_WIDGET (tree_view->view),
gimp_container_tree_view_drag_pixbuf,
tree_view);
}
/* connect button_press_event after DND so we can keep the list from
* selecting the item on button2
*/
g_signal_connect (tree_view->view, "button-press-event",
G_CALLBACK (gimp_container_tree_view_button_press),
tree_view);
}
parent_view_iface->set_container (view, container);
if (container)
{
gimp_container_tree_view_expand_rows (tree_view->model,
tree_view->view,
NULL);
g_signal_connect (tree_view->view,
"row-collapsed",
G_CALLBACK (gimp_container_tree_view_row_expanded),
tree_view);
g_signal_connect (tree_view->view,
"row-expanded",
G_CALLBACK (gimp_container_tree_view_row_expanded),
tree_view);
}
gtk_tree_view_columns_autosize (tree_view->view);
}
static void
gimp_container_tree_view_set_context (GimpContainerView *view,
GimpContext *context)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
if (tree_view->model)
gimp_container_tree_store_set_context (GIMP_CONTAINER_TREE_STORE (tree_view->model),
context);
parent_view_iface->set_context (view, context);
}
static void
gimp_container_tree_view_set_selection_mode (GimpContainerView *view,
GtkSelectionMode mode)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
gtk_tree_selection_set_mode (tree_view->priv->selection, mode);
parent_view_iface->set_selection_mode (view, mode);
}
static gpointer
gimp_container_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer parent_insert_data,
gint index)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter;
iter = gimp_container_tree_store_insert_item (GIMP_CONTAINER_TREE_STORE (tree_view->model),
viewable,
parent_insert_data,
index);
return iter;
}
static void
gimp_container_tree_view_remove_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
gimp_container_tree_store_remove_item (GIMP_CONTAINER_TREE_STORE (tree_view->model),
viewable,
iter);
if (iter)
gtk_tree_view_columns_autosize (tree_view->view);
}
static void
gimp_container_tree_view_reorder_item (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
gboolean selected = FALSE;
if (iter)
{
GtkTreeIter selected_iter;
selected = gimp_container_tree_view_get_selected_single (tree_view,
&selected_iter);
if (selected)
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &selected_iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer->viewable != viewable)
selected = FALSE;
g_object_unref (renderer);
}
}
gimp_container_tree_store_reorder_item (GIMP_CONTAINER_TREE_STORE (tree_view->model),
viewable,
new_index,
iter);
if (selected)
gimp_container_view_select_item (view, viewable);
}
static void
gimp_container_tree_view_rename_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
if (gimp_container_tree_store_rename_item (GIMP_CONTAINER_TREE_STORE (tree_view->model),
viewable,
iter))
{
gtk_tree_view_columns_autosize (tree_view->view);
}
}
static gboolean
gimp_container_tree_view_select_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
if (viewable && insert_data)
{
GtkTreePath *path;
GtkTreePath *parent_path;
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
path = gtk_tree_model_get_path (tree_view->model, iter);
parent_path = gtk_tree_path_copy (path);
if (gtk_tree_path_up (parent_path))
gtk_tree_view_expand_to_path (tree_view->view, parent_path);
gtk_tree_path_free (parent_path);
g_signal_handlers_block_by_func (tree_view->priv->selection,
gimp_container_tree_view_selection_changed,
tree_view);
gtk_tree_view_set_cursor (tree_view->view, path, NULL, FALSE);
g_signal_handlers_unblock_by_func (tree_view->priv->selection,
gimp_container_tree_view_selection_changed,
tree_view);
gtk_tree_view_scroll_to_cell (tree_view->view, path,
NULL, FALSE, 0.0, 0.0);
gtk_tree_path_free (path);
}
else if (insert_data == NULL)
{
/* viewable == NULL && insert_data != NULL means multiple selection.
* viewable == NULL && insert_data == NULL means no selection. */
gtk_tree_selection_unselect_all (tree_view->priv->selection);
}
return TRUE;
}
static void
gimp_container_tree_view_clear_items (GimpContainerView *view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
gimp_container_tree_store_clear_items (GIMP_CONTAINER_TREE_STORE (tree_view->model));
parent_view_iface->clear_items (view);
}
static void
gimp_container_tree_view_set_view_size (GimpContainerView *view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkWidget *tree_widget;
GList *list;
gint view_size;
gint border_width;
view_size = gimp_container_view_get_view_size (view, &border_width);
if (tree_view->model)
gimp_container_tree_store_set_view_size (GIMP_CONTAINER_TREE_STORE (tree_view->model));
tree_widget = GTK_WIDGET (tree_view->view);
if (! tree_widget)
return;
for (list = tree_view->priv->toggle_cells; list; list = g_list_next (list))
{
gchar *stock_id;
GtkIconSize icon_size;
g_object_get (list->data, "stock-id", &stock_id, NULL);
if (stock_id)
{
GtkStyle *style = gtk_widget_get_style (tree_widget);
icon_size = gimp_get_icon_size (tree_widget,
stock_id,
GTK_ICON_SIZE_BUTTON,
view_size -
2 * style->xthickness,
view_size -
2 * style->ythickness);
g_object_set (list->data, "stock-size", icon_size, NULL);
g_free (stock_id);
}
}
gtk_tree_view_columns_autosize (tree_view->view);
}
/* GimpContainerTreeView methods */
static void
gimp_container_tree_view_real_edit_name (GimpContainerTreeView *tree_view)
{
GtkTreeIter selected_iter;
if (g_list_find (tree_view->priv->editable_cells,
tree_view->priv->name_cell) &&
gimp_container_tree_view_get_selected_single (tree_view,
&selected_iter))
{
GtkTreePath *path;
path = gtk_tree_model_get_path (tree_view->model, &selected_iter);
gtk_tree_view_set_cursor_on_cell (tree_view->view, path,
tree_view->main_column,
tree_view->priv->name_cell,
TRUE);
gtk_tree_path_free (path);
}
}
/* callbacks */
static void
gimp_container_tree_view_name_started (GtkCellRendererText *cell,
GtkCellEditable *editable,
const gchar *path_str,
GimpContainerTreeView *tree_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;
const gchar *real_name;
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
real_name = gimp_object_get_name (renderer->viewable);
g_object_unref (renderer);
gtk_entry_set_text (GTK_ENTRY (editable), real_name);
}
gtk_tree_path_free (path);
}
static void
gimp_container_tree_view_name_canceled (GtkCellRendererText *cell,
GimpContainerTreeView *tree_view)
{
GtkTreeIter iter;
if (gimp_container_tree_view_get_selected_single (tree_view, &iter))
{
GimpViewRenderer *renderer;
gchar *name;
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
name = gimp_viewable_get_description (renderer->viewable, NULL);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_NAME, name,
-1);
g_free (name);
g_object_unref (renderer);
}
}
static void
gimp_container_tree_view_selection_changed (GtkTreeSelection *selection,
GimpContainerTreeView *tree_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (tree_view);
GList *items;
gimp_container_tree_view_get_selected (view, &items);
gimp_container_view_multi_selected (view, items);
g_list_free (items);
}
static GtkCellRenderer *
gimp_container_tree_view_find_click_cell (GtkWidget *widget,
GList *cells,
GtkTreeViewColumn *column,
GdkRectangle *column_area,
gint tree_x,
gint tree_y)
{
GList *list;
gboolean rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
for (list = cells; list; list = g_list_next (list))
{
GtkCellRenderer *renderer = list->data;
gint start;
gint width;
if (gtk_cell_renderer_get_visible (renderer) &&
gtk_tree_view_column_cell_get_position (column, renderer,
&start, &width))
{
gint xpad, ypad;
gint x;
gtk_cell_renderer_get_padding (renderer, &xpad, &ypad);
if (rtl)
x = column_area->x + column_area->width - start - width;
else
x = start + column_area->x;
if (tree_x >= x + xpad &&
tree_x < x + width - xpad)
{
return renderer;
}
}
}
return NULL;
}
static gboolean
gimp_container_tree_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpContainerTreeView *tree_view)
{
GimpContainerView *container_view = GIMP_CONTAINER_VIEW (tree_view);
GtkTreeViewColumn *column;
GtkTreePath *path;
tree_view->priv->dnd_renderer = NULL;
if (! gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
bevent->x, bevent->y,
&path, &column, NULL, NULL))
{
GimpViewRenderer *renderer;
GimpCellRendererToggle *toggled_cell = NULL;
GimpCellRendererViewable *clicked_cell = NULL;
GtkCellRenderer *edit_cell = NULL;
GdkRectangle column_area;
GtkTreeIter iter;
gboolean handled = TRUE;
gboolean multisel_mode;
multisel_mode = (gtk_tree_selection_get_mode (tree_view->priv->selection)
== GTK_SELECTION_MULTIPLE);
gtk_tree_model_get_iter (tree_view->model, &iter, path);
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
tree_view->priv->dnd_renderer = renderer;
gtk_tree_view_get_cell_area (tree_view->view, path,
column, &column_area);
gtk_tree_view_column_cell_set_cell_data (column,
tree_view->model,
&iter,
FALSE, FALSE);
if (bevent->button == 1 &&
gtk_tree_model_iter_has_child (tree_view->model, &iter) &&
column == gtk_tree_view_get_expander_column (tree_view->view))
{
GList *cells;
cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
if (! gimp_container_tree_view_find_click_cell (widget,
cells,
column, &column_area,
bevent->x, bevent->y))
{
/* we didn't click on any cell, but we clicked on empty
* space in the expander column of a row that has
* children; let GtkTreeView process the button press
* to maybe handle a click on an expander.
*/
g_list_free (cells);
gtk_tree_path_free (path);
g_object_unref (renderer);
return FALSE;
}
g_list_free (cells);
}
toggled_cell = (GimpCellRendererToggle *)
gimp_container_tree_view_find_click_cell (widget,
tree_view->priv->toggle_cells,
column, &column_area,
bevent->x, bevent->y);
if (! toggled_cell)
clicked_cell = (GimpCellRendererViewable *)
gimp_container_tree_view_find_click_cell (widget,
tree_view->priv->renderer_cells,
column, &column_area,
bevent->x, bevent->y);
if (! toggled_cell && ! clicked_cell)
edit_cell =
gimp_container_tree_view_find_click_cell (widget,
tree_view->priv->editable_cells,
column, &column_area,
bevent->x, bevent->y);
g_object_ref (tree_view);
if (gdk_event_triggers_context_menu ((GdkEvent *) bevent))
{
if (gimp_container_view_item_selected (container_view,
renderer->viewable))
{
if (gimp_container_view_get_container (container_view))
gimp_container_view_item_context (container_view,
renderer->viewable);
}
}
else if (bevent->button == 1)
{
if (bevent->type == GDK_BUTTON_PRESS)
{
/* don't select item if a toggle was clicked */
if (! toggled_cell)
{
gchar *path_str = gtk_tree_path_to_string (path);
handled = FALSE;
if (clicked_cell)
handled =
gimp_cell_renderer_viewable_pre_clicked (clicked_cell,
path_str,
bevent->state);
if (! handled)
{
if (multisel_mode)
{
/* let parent do the work */
}
else
{
handled =
gimp_container_view_item_selected (container_view,
renderer->viewable);
}
}
g_free (path_str);
}
/* a callback invoked by selecting the item may have
* destroyed us, so check if the container is still there
*/
if (gimp_container_view_get_container (container_view))
{
/* another row may have been set by selecting */
gtk_tree_view_column_cell_set_cell_data (column,
tree_view->model,
&iter,
FALSE, FALSE);
if (toggled_cell || clicked_cell)
{
gchar *path_str = gtk_tree_path_to_string (path);
if (toggled_cell)
{
gimp_cell_renderer_toggle_clicked (toggled_cell,
path_str,
bevent->state);
}
else if (clicked_cell)
{
gimp_cell_renderer_viewable_clicked (clicked_cell,
path_str,
bevent->state);
}
g_free (path_str);
}
}
}
else if (bevent->type == GDK_2BUTTON_PRESS)
{
gboolean success = TRUE;
/* don't select item if a toggle was clicked */
if (! toggled_cell)
success = gimp_container_view_item_selected (container_view,
renderer->viewable);
if (success)
{
if (edit_cell)
{
gtk_tree_view_set_cursor_on_cell (tree_view->view, path,
column, edit_cell, TRUE);
}
else if (! toggled_cell &&
! (bevent->state & gimp_get_all_modifiers_mask ()))
{
/* Only activate if we're not in a toggled cell
* and no modifier keys are pressed
*/
gimp_container_view_item_activated (container_view,
renderer->viewable);
}
}
}
}
else if (bevent->button == 2)
{
if (bevent->type == GDK_BUTTON_PRESS)
{
if (clicked_cell)
{
gchar *path_str = gtk_tree_path_to_string (path);
gimp_cell_renderer_viewable_clicked (clicked_cell,
path_str,
bevent->state);
g_free (path_str);
}
}
}
g_object_unref (tree_view);
gtk_tree_path_free (path);
g_object_unref (renderer);
return multisel_mode ? handled : TRUE;
}
else
{
if (gdk_event_triggers_context_menu ((GdkEvent *) bevent))
{
gimp_editor_popup_menu (GIMP_EDITOR (tree_view), NULL, NULL);
}
return TRUE;
}
}
static gboolean
gimp_container_tree_view_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
GimpContainerTreeView *tree_view)
{
GimpViewRenderer *renderer;
GtkTreeIter iter;
GtkTreePath *path;
gboolean show_tip = FALSE;
if (! gtk_tree_view_get_tooltip_context (GTK_TREE_VIEW (widget), &x, &y,
keyboard_tip,
NULL, &path, &iter))
return FALSE;
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer)
{
gchar *desc;
gchar *tip;
desc = gimp_viewable_get_description (renderer->viewable, &tip);
if (tip)
{
gtk_tooltip_set_text (tooltip, tip);
gtk_tree_view_set_tooltip_row (GTK_TREE_VIEW (widget), tooltip, path);
show_tip = TRUE;
g_free (tip);
}
g_free (desc);
g_object_unref (renderer);
}
gtk_tree_path_free (path);
return show_tip;
}
static GimpViewable *
gimp_container_tree_view_drag_viewable (GtkWidget *widget,
GimpContext **context,
gpointer data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (data);
if (context)
*context = gimp_container_view_get_context (GIMP_CONTAINER_VIEW (data));
if (tree_view->priv->dnd_renderer)
return tree_view->priv->dnd_renderer->viewable;
return NULL;
}
static GdkPixbuf *
gimp_container_tree_view_drag_pixbuf (GtkWidget *widget,
gpointer data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (data);
GimpViewRenderer *renderer = tree_view->priv->dnd_renderer;
gint width;
gint height;
if (renderer && gimp_viewable_get_size (renderer->viewable, &width, &height))
return gimp_viewable_get_new_pixbuf (renderer->viewable,
renderer->context,
width, height);
return NULL;
}
static gboolean
gimp_container_tree_view_get_selected_single (GimpContainerTreeView *tree_view,
GtkTreeIter *iter)
{
GtkTreeSelection *selection;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view->view));
if (gtk_tree_selection_count_selected_rows (selection) == 1)
{
GList *selected_rows;
selected_rows = gtk_tree_selection_get_selected_rows (selection, NULL);
gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->model), iter,
(GtkTreePath *) selected_rows->data);
g_list_free_full (selected_rows, (GDestroyNotify) gtk_tree_path_free);
return TRUE;
}
else
{
return FALSE;
}
}
static gint
gimp_container_tree_view_get_selected (GimpContainerView *view,
GList **items)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeSelection *selection;
gint selected_count;
GList *selected_rows;
GList *current_row;
GtkTreeIter iter;
GimpViewRenderer *renderer;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view->view));
selected_count = gtk_tree_selection_count_selected_rows (selection);
if (items == NULL)
{
/* just provide selected count */
return selected_count;
}
selected_rows = gtk_tree_selection_get_selected_rows (selection, NULL);
*items = NULL;
for (current_row = selected_rows;
current_row;
current_row = g_list_next (current_row))
{
gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->model), &iter,
(GtkTreePath *) current_row->data);
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer->viewable)
*items = g_list_prepend (*items, renderer->viewable);
g_object_unref (renderer);
}
g_list_free_full (selected_rows, (GDestroyNotify) gtk_tree_path_free);
*items = g_list_reverse (*items);
return selected_count;
}
static void
gimp_container_tree_view_row_expanded (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path,
GimpContainerTreeView *view)
{
GimpViewRenderer *renderer;
gtk_tree_model_get (view->model, iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer)
{
gboolean expanded = gtk_tree_view_row_expanded (tree_view, path);
gimp_viewable_set_expanded (renderer->viewable,
expanded);
if (expanded)
{
g_signal_handlers_block_by_func (tree_view,
gimp_container_tree_view_row_expanded,
view);
gimp_container_tree_view_expand_rows (view->model, tree_view, iter);
g_signal_handlers_unblock_by_func (tree_view,
gimp_container_tree_view_row_expanded,
view);
}
g_object_unref (renderer);
}
}
static void
gimp_container_tree_view_expand_rows (GtkTreeModel *model,
GtkTreeView *view,
GtkTreeIter *parent)
{
GtkTreeIter iter;
if (gtk_tree_model_iter_children (model, &iter, parent))
do
if (gtk_tree_model_iter_has_child (model, &iter))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
if (renderer)
{
GtkTreePath *path = gtk_tree_model_get_path (model, &iter);
if (gimp_viewable_get_expanded (renderer->viewable))
gtk_tree_view_expand_row (view, path, FALSE);
else
gtk_tree_view_collapse_row (view, path);
gtk_tree_path_free (path);
g_object_unref (renderer);
}
gimp_container_tree_view_expand_rows (model, view, &iter);
}
while (gtk_tree_model_iter_next (model, &iter));
}
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