mirror of
https://gitlab.gnome.org/GNOME/gimp
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5f6830341d
2003-03-13 Michael Natterer <mitch@gimp.org> * app/widgets/gimpcellrenderertoggle.c: fixed size calculation, removed padding and the spacing between the icon and the frame around it. * app/widgets/gimpwidgets-utils.[ch]: added gimp_get_icon_size() which returns the best matching icon size for a given allocation. * app/widgets/gimpcomponenteditor.[ch]: adjust the eye icon's size according to the preview_size. * app/widgets/gimppreviewrenderer.c (gimp_preview_renderer_default_render_stock): use gimp_get_icon_size() * app/widgets/gimpcomponenteditor.c * app/widgets/gimpcontainertreeview.c: iterate the tree model using a for() loop instead of nested if() { do { } while() } stuff.
707 lines
22 KiB
C
707 lines
22 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpcontainertreeview.c
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* Copyright (C) 2003 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "widgets-types.h"
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#include "base/temp-buf.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpviewable.h"
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#include "gimpcellrendererviewable.h"
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#include "gimpcontainertreeview.h"
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#include "gimpdnd.h"
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#include "gimppreview.h"
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#include "gimppreviewrenderer.h"
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enum
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{
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COLUMN_VIEWABLE,
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COLUMN_RENDERER,
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COLUMN_NAME,
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NUM_COLUMNS
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};
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static void gimp_container_tree_view_class_init (GimpContainerTreeViewClass *klass);
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static void gimp_container_tree_view_init (GimpContainerTreeView *view);
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static void gimp_container_tree_view_set_container (GimpContainerView *view,
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GimpContainer *container);
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static gpointer gimp_container_tree_view_insert_item (GimpContainerView *view,
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GimpViewable *viewable,
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gint index);
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static void gimp_container_tree_view_remove_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data);
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static void gimp_container_tree_view_reorder_item (GimpContainerView *view,
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GimpViewable *viewable,
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gint new_index,
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gpointer insert_data);
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static void gimp_container_tree_view_select_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data);
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static void gimp_container_tree_view_clear_items (GimpContainerView *view);
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static void gimp_container_tree_view_set_preview_size (GimpContainerView *view);
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static void gimp_container_tree_view_selection_changed (GtkTreeSelection *sel,
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GimpContainerTreeView *tree_view);
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static gboolean gimp_container_tree_view_button_press (GtkWidget *widget,
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GdkEventButton *bevent,
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GimpContainerTreeView *tree_view);
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static void gimp_container_tree_view_renderer_update (GimpPreviewRenderer *renderer,
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GimpContainerTreeView *tree_view);
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static void gimp_container_tree_view_name_changed (GimpObject *object,
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GimpContainerTreeView *tree_view);
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static GimpViewable * gimp_container_tree_view_drag_viewable (GtkWidget *widget,
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gpointer data);
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static GimpContainerViewClass *parent_class = NULL;
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GType
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gimp_container_tree_view_get_type (void)
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{
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static GType view_type = 0;
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if (! view_type)
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{
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static const GTypeInfo view_info =
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{
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sizeof (GimpContainerTreeViewClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gimp_container_tree_view_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpContainerTreeView),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_container_tree_view_init,
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};
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view_type = g_type_register_static (GIMP_TYPE_CONTAINER_VIEW,
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"GimpContainerTreeView",
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&view_info, 0);
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}
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return view_type;
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}
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static void
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gimp_container_tree_view_class_init (GimpContainerTreeViewClass *klass)
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{
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GimpContainerViewClass *container_view_class;
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container_view_class = GIMP_CONTAINER_VIEW_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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container_view_class->set_container = gimp_container_tree_view_set_container;
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container_view_class->insert_item = gimp_container_tree_view_insert_item;
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container_view_class->remove_item = gimp_container_tree_view_remove_item;
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container_view_class->reorder_item = gimp_container_tree_view_reorder_item;
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container_view_class->select_item = gimp_container_tree_view_select_item;
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container_view_class->clear_items = gimp_container_tree_view_clear_items;
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container_view_class->set_preview_size = gimp_container_tree_view_set_preview_size;
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container_view_class->insert_data_free = (GDestroyNotify) g_free;
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}
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static void
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gimp_container_tree_view_init (GimpContainerTreeView *tree_view)
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{
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GtkTreeViewColumn *column;
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GtkCellRenderer *cell;
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tree_view->scrolled_win = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (tree_view->scrolled_win),
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GTK_SHADOW_IN);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (tree_view->scrolled_win),
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GTK_POLICY_AUTOMATIC,
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GTK_POLICY_AUTOMATIC);
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gtk_box_pack_start (GTK_BOX (tree_view), tree_view->scrolled_win,
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TRUE, TRUE, 0);
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gtk_widget_show (tree_view->scrolled_win);
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tree_view->list = gtk_list_store_new (NUM_COLUMNS,
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GIMP_TYPE_VIEWABLE,
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GIMP_TYPE_PREVIEW_RENDERER,
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G_TYPE_STRING);
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tree_view->view = GTK_TREE_VIEW
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(gtk_tree_view_new_with_model (GTK_TREE_MODEL (tree_view->list)));
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g_object_unref (tree_view->list);
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GIMP_CONTAINER_VIEW (tree_view)->dnd_widget = GTK_WIDGET (tree_view->view);
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gtk_tree_view_set_headers_visible (tree_view->view, FALSE);
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column = gtk_tree_view_column_new ();
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gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
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gtk_tree_view_append_column (tree_view->view, column);
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cell = gimp_cell_renderer_viewable_new ();
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gtk_tree_view_column_pack_start (column, cell, FALSE);
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gtk_tree_view_column_set_attributes (column, cell,
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"renderer", COLUMN_RENDERER,
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NULL);
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gtk_tree_view_insert_column_with_attributes (tree_view->view,
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1, NULL,
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gtk_cell_renderer_text_new (),
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"text", COLUMN_NAME,
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NULL);
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gtk_container_add (GTK_CONTAINER (tree_view->scrolled_win),
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GTK_WIDGET (tree_view->view));
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gtk_widget_show (GTK_WIDGET (tree_view->view));
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GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW
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(tree_view->scrolled_win)->vscrollbar,
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GTK_CAN_FOCUS);
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tree_view->selection = gtk_tree_view_get_selection (tree_view->view);
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g_signal_connect (tree_view->selection, "changed",
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G_CALLBACK (gimp_container_tree_view_selection_changed),
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tree_view);
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}
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GtkWidget *
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gimp_container_tree_view_new (GimpContainer *container,
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GimpContext *context,
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gint preview_size,
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gboolean reorderable,
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gint min_items_x,
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gint min_items_y)
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{
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GimpContainerTreeView *tree_view;
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GimpContainerView *view;
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gint window_border;
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g_return_val_if_fail (! container || GIMP_IS_CONTAINER (container), NULL);
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g_return_val_if_fail (! context || GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (preview_size > 0 &&
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preview_size <= GIMP_PREVIEW_MAX_SIZE, NULL);
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g_return_val_if_fail (min_items_x > 0 && min_items_x <= 64, NULL);
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g_return_val_if_fail (min_items_y > 0 && min_items_y <= 64, NULL);
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tree_view = g_object_new (GIMP_TYPE_CONTAINER_TREE_VIEW, NULL);
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view = GIMP_CONTAINER_VIEW (tree_view);
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view->preview_size = preview_size;
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view->reorderable = reorderable ? TRUE : FALSE;
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window_border =
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GTK_SCROLLED_WINDOW (tree_view->scrolled_win)->vscrollbar->requisition.width +
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GTK_SCROLLED_WINDOW_GET_CLASS (tree_view->scrolled_win)->scrollbar_spacing +
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tree_view->scrolled_win->style->xthickness * 4;
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gtk_widget_set_size_request (GTK_WIDGET (tree_view),
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(preview_size + 2) * min_items_x + window_border,
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(preview_size + 6) * min_items_y + window_border);
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if (container)
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gimp_container_view_set_container (view, container);
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if (context)
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gimp_container_view_set_context (view, context);
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return GTK_WIDGET (tree_view);
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}
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static void
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gimp_container_tree_view_set (GimpContainerTreeView *tree_view,
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GtkTreeIter *iter,
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GimpViewable *viewable)
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{
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GimpContainerView *view;
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GimpPreviewRenderer *renderer;
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gchar *name;
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view = GIMP_CONTAINER_VIEW (tree_view);
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if (view->get_name_func)
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name = view->get_name_func (G_OBJECT (viewable), NULL);
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else
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name = g_strdup (gimp_object_get_name (GIMP_OBJECT (viewable)));
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renderer = gimp_preview_renderer_new (G_TYPE_FROM_INSTANCE (viewable),
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view->preview_size, 1, FALSE);
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gimp_preview_renderer_set_viewable (renderer, viewable);
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gimp_preview_renderer_remove_idle (renderer);
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g_signal_connect (renderer, "update",
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G_CALLBACK (gimp_container_tree_view_renderer_update),
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tree_view);
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gtk_list_store_set (tree_view->list, iter,
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COLUMN_VIEWABLE, viewable,
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COLUMN_RENDERER, renderer,
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COLUMN_NAME, name,
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-1);
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g_object_unref (renderer);
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g_free (name);
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}
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/* GimpContainerView methods */
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static void
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gimp_container_tree_view_set_container (GimpContainerView *view,
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GimpContainer *container)
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{
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GimpContainerTreeView *tree_view;
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tree_view = GIMP_CONTAINER_TREE_VIEW (view);
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if (view->container)
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{
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gimp_container_remove_handler (view->container,
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tree_view->name_changed_handler_id);
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if (! container)
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{
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if (gimp_dnd_viewable_source_unset (GTK_WIDGET (tree_view->view),
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view->container->children_type))
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{
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gtk_drag_source_unset (GTK_WIDGET (tree_view->view));
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}
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g_signal_handlers_disconnect_by_func (tree_view->view,
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gimp_container_tree_view_button_press,
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tree_view);
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}
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}
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else if (container)
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{
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if (gimp_dnd_drag_source_set_by_type (GTK_WIDGET (tree_view->view),
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GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
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container->children_type,
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GDK_ACTION_COPY))
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{
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gimp_dnd_viewable_source_set (GTK_WIDGET (tree_view->view),
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container->children_type,
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gimp_container_tree_view_drag_viewable,
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tree_view);
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}
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/* connect button_press_event after DND so we can keep the list from
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* selecting the item on button2
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*/
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g_signal_connect (tree_view->view, "button_press_event",
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G_CALLBACK (gimp_container_tree_view_button_press),
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tree_view);
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}
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GIMP_CONTAINER_VIEW_CLASS (parent_class)->set_container (view, container);
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if (view->container)
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{
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GimpViewableClass *viewable_class;
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viewable_class = g_type_class_ref (container->children_type);
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tree_view->name_changed_handler_id =
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gimp_container_add_handler (view->container,
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viewable_class->name_changed_signal,
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G_CALLBACK (gimp_container_tree_view_name_changed),
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tree_view);
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g_type_class_unref (viewable_class);
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}
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}
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static gpointer
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gimp_container_tree_view_insert_item (GimpContainerView *view,
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GimpViewable *viewable,
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gint index)
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{
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GimpContainerTreeView *tree_view;
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GtkTreeIter *iter;
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tree_view = GIMP_CONTAINER_TREE_VIEW (view);
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iter = g_new0 (GtkTreeIter, 1);
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if (index == -1)
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gtk_list_store_append (tree_view->list, iter);
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else
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gtk_list_store_insert (tree_view->list, iter, index);
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gimp_container_tree_view_set (tree_view, iter, viewable);
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return (gpointer) iter;
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}
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static void
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gimp_container_tree_view_remove_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data)
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{
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GimpContainerTreeView *tree_view;
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GtkTreeIter *iter;
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tree_view = GIMP_CONTAINER_TREE_VIEW (view);
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iter = (GtkTreeIter *) insert_data;
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if (iter)
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gtk_list_store_remove (tree_view->list, iter);
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}
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static void
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gimp_container_tree_view_reorder_item (GimpContainerView *view,
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GimpViewable *viewable,
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gint new_index,
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gpointer insert_data)
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{
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GimpContainerTreeView *tree_view;
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GtkTreeIter *iter;
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tree_view = GIMP_CONTAINER_TREE_VIEW (view);
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iter = (GtkTreeIter *) insert_data;
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if (iter)
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{
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GtkTreeModel *model;
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GtkTreePath *path;
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GtkTreeIter selected_iter;
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gboolean selected;
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model = GTK_TREE_MODEL (tree_view->list);
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selected = gtk_tree_selection_get_selected (tree_view->selection,
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NULL, &selected_iter);
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if (selected)
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{
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GimpViewable *selected_viewable;
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gtk_tree_model_get (model, &selected_iter,
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COLUMN_VIEWABLE, &selected_viewable,
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-1);
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if (selected_viewable != viewable)
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selected = FALSE;
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g_object_unref (selected_viewable);
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}
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if (new_index == -1 || new_index == view->container->num_children - 1)
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{
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gtk_list_store_move_before (tree_view->list, iter, NULL);
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}
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else if (new_index == 0)
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{
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gtk_list_store_move_after (tree_view->list, iter, NULL);
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}
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else
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{
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GtkTreeIter place_iter;
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gint old_index;
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path = gtk_tree_model_get_path (model, iter);
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old_index = *(gtk_tree_path_get_indices (path));
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gtk_tree_path_free (path);
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if (new_index != old_index)
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{
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path = gtk_tree_path_new_from_indices (new_index, -1);
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gtk_tree_model_get_iter (model, &place_iter, path);
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gtk_tree_path_free (path);
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if (new_index > old_index)
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gtk_list_store_move_after (tree_view->list, iter, &place_iter);
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else
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gtk_list_store_move_before (tree_view->list, iter, &place_iter);
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}
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}
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if (selected)
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{
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path = gtk_tree_model_get_path (model, iter);
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gtk_tree_view_scroll_to_cell (tree_view->view, path,
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NULL, FALSE, 0.0, 0.0);
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gtk_tree_path_free (path);
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}
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}
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}
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static void
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gimp_container_tree_view_select_item (GimpContainerView *view,
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GimpViewable *viewable,
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gpointer insert_data)
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{
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GimpContainerTreeView *tree_view;
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GtkTreeIter *iter;
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tree_view = GIMP_CONTAINER_TREE_VIEW (view);
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iter = (GtkTreeIter *) insert_data;
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if (iter)
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{
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GtkTreePath *path;
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GtkTreeIter selected_iter;
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if (gtk_tree_selection_get_selected (tree_view->selection, NULL,
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&selected_iter))
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{
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GimpViewable *selected_viewable;
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gboolean equal;
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gtk_tree_model_get (GTK_TREE_MODEL (tree_view->list), &selected_iter,
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COLUMN_VIEWABLE, &selected_viewable,
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|
-1);
|
|
|
|
equal = (selected_viewable == viewable);
|
|
|
|
g_object_unref (selected_viewable);
|
|
|
|
if (equal)
|
|
return;
|
|
}
|
|
|
|
g_signal_handlers_block_by_func (tree_view->selection,
|
|
gimp_container_tree_view_selection_changed,
|
|
tree_view);
|
|
|
|
gtk_tree_selection_select_iter (tree_view->selection, iter);
|
|
|
|
g_signal_handlers_unblock_by_func (tree_view->selection,
|
|
gimp_container_tree_view_selection_changed,
|
|
tree_view);
|
|
|
|
path = gtk_tree_model_get_path (GTK_TREE_MODEL (tree_view->list), iter);
|
|
|
|
gtk_tree_view_scroll_to_cell (tree_view->view, path,
|
|
NULL, FALSE, 0.0, 0.0);
|
|
|
|
gtk_tree_path_free (path);
|
|
}
|
|
else
|
|
{
|
|
gtk_tree_selection_unselect_all (tree_view->selection);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_container_tree_view_clear_items (GimpContainerView *view)
|
|
{
|
|
GimpContainerTreeView *tree_view;
|
|
|
|
tree_view = GIMP_CONTAINER_TREE_VIEW (view);
|
|
|
|
gtk_list_store_clear (tree_view->list);
|
|
|
|
GIMP_CONTAINER_VIEW_CLASS (parent_class)->clear_items (view);
|
|
}
|
|
|
|
static void
|
|
gimp_container_tree_view_set_preview_size (GimpContainerView *view)
|
|
{
|
|
GimpContainerTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
GtkTreeIter iter;
|
|
gboolean iter_valid;
|
|
|
|
tree_view = GIMP_CONTAINER_TREE_VIEW (view);
|
|
tree_model = GTK_TREE_MODEL (tree_view->list);
|
|
|
|
for (iter_valid = gtk_tree_model_get_iter_first (tree_model, &iter);
|
|
iter_valid;
|
|
iter_valid = gtk_tree_model_iter_next (tree_model, &iter))
|
|
{
|
|
GimpPreviewRenderer *renderer;
|
|
|
|
gtk_tree_model_get (GTK_TREE_MODEL (tree_view->list), &iter,
|
|
COLUMN_RENDERER, &renderer,
|
|
-1);
|
|
|
|
gimp_preview_renderer_set_size (renderer, view->preview_size, 1);
|
|
|
|
gtk_list_store_set (tree_view->list, &iter,
|
|
COLUMN_RENDERER, renderer,
|
|
-1);
|
|
|
|
g_object_unref (renderer);
|
|
}
|
|
}
|
|
|
|
|
|
/* callbacks */
|
|
|
|
static void
|
|
gimp_container_tree_view_selection_changed (GtkTreeSelection *selection,
|
|
GimpContainerTreeView *tree_view)
|
|
{
|
|
GimpViewable *selected_viewable = NULL;
|
|
GtkTreeIter selected_iter;
|
|
gboolean selected;
|
|
|
|
selected = gtk_tree_selection_get_selected (selection, NULL, &selected_iter);
|
|
|
|
if (selected)
|
|
gtk_tree_model_get (GTK_TREE_MODEL (tree_view->list), &selected_iter,
|
|
COLUMN_VIEWABLE, &selected_viewable,
|
|
-1);
|
|
|
|
if (selected_viewable)
|
|
{
|
|
gimp_container_view_item_selected (GIMP_CONTAINER_VIEW (tree_view),
|
|
selected_viewable);
|
|
g_object_unref (selected_viewable);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gimp_container_tree_view_button_press (GtkWidget *widget,
|
|
GdkEventButton *bevent,
|
|
GimpContainerTreeView *tree_view)
|
|
{
|
|
GtkTreePath *path;
|
|
gboolean retval = FALSE;
|
|
|
|
tree_view->dnd_viewable = NULL;
|
|
|
|
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
|
|
bevent->x,
|
|
bevent->y,
|
|
&path, NULL, NULL, NULL))
|
|
{
|
|
GimpViewable *viewable;
|
|
GtkTreeIter iter;
|
|
|
|
gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->list), &iter, path);
|
|
|
|
gtk_tree_path_free (path);
|
|
|
|
gtk_tree_model_get (GTK_TREE_MODEL (tree_view->list), &iter,
|
|
COLUMN_VIEWABLE, &viewable,
|
|
-1);
|
|
|
|
tree_view->dnd_viewable = viewable;
|
|
|
|
switch (bevent->button)
|
|
{
|
|
case 1:
|
|
if (bevent->type == GDK_2BUTTON_PRESS)
|
|
{
|
|
gimp_container_view_item_activated (GIMP_CONTAINER_VIEW (tree_view),
|
|
viewable);
|
|
retval = TRUE;
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
retval = TRUE; /* we want to button2-drag without selecting */
|
|
break;
|
|
|
|
case 3:
|
|
gimp_container_view_item_context (GIMP_CONTAINER_VIEW (tree_view),
|
|
viewable);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
g_object_unref (viewable);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
gimp_container_tree_view_renderer_update (GimpPreviewRenderer *renderer,
|
|
GimpContainerTreeView *tree_view)
|
|
{
|
|
GimpContainerView *view;
|
|
GtkTreeIter *iter;
|
|
|
|
view = GIMP_CONTAINER_VIEW (tree_view);
|
|
|
|
iter = g_hash_table_lookup (view->hash_table, renderer->viewable);
|
|
|
|
if (iter)
|
|
{
|
|
GtkTreePath *path;
|
|
|
|
path = gtk_tree_model_get_path (GTK_TREE_MODEL (tree_view->list), iter);
|
|
|
|
gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_view->list),
|
|
path, iter);
|
|
|
|
gtk_tree_path_free (path);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_container_tree_view_name_changed (GimpObject *object,
|
|
GimpContainerTreeView *tree_view)
|
|
{
|
|
GimpContainerView *view;
|
|
GtkTreeIter *iter;
|
|
|
|
view = GIMP_CONTAINER_VIEW (tree_view);
|
|
|
|
iter = g_hash_table_lookup (view->hash_table, object);
|
|
|
|
if (iter)
|
|
{
|
|
gchar *name;
|
|
|
|
if (view->get_name_func)
|
|
name = view->get_name_func (G_OBJECT (object), NULL);
|
|
else
|
|
name = g_strdup (gimp_object_get_name (object));
|
|
|
|
gtk_list_store_set (tree_view->list, iter,
|
|
COLUMN_NAME, name,
|
|
-1);
|
|
|
|
g_free (name);
|
|
}
|
|
}
|
|
|
|
static GimpViewable *
|
|
gimp_container_tree_view_drag_viewable (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
GimpContainerTreeView *tree_view;
|
|
|
|
tree_view = GIMP_CONTAINER_TREE_VIEW (data);
|
|
|
|
return tree_view->dnd_viewable;
|
|
}
|