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gtk2/gtk/gtkfilechooserdefault.c

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/* GTK - The GIMP Toolkit
* gtkfilechooserimpldefault.c: Default implementation of GtkFileChooser
* Copyright (C) 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gtkfilechooserimpldefault.h"
#include "gtkfilechooserentry.h"
#include "gtkfilechooserenums.h"
#include "gtkfilechooserutils.h"
#include "gtkfilechooser.h"
#include "gtkfilesystemmodel.h"
#include <gtk/gtkcellrenderertext.h>
#include <gtk/gtkentry.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkhpaned.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtktreeview.h>
#include <gtk/gtktreemodelsort.h>
#include <gtk/gtktreeselection.h>
#include <gtk/gtkvbox.h>
#include <string.h>
typedef struct _GtkFileChooserImplDefaultClass GtkFileChooserImplDefaultClass;
#define GTK_FILE_CHOOSER_IMPL_DEFAULT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_CHOOSER_IMPL_DEFAULT, GtkFileChooserImplDefaultClass))
#define GTK_IS_FILE_CHOOSER_IMPL_DEFAULT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_CHOOSER_IMPL_DEFAULT))
#define GTK_FILE_CHOOSER_IMPL_DEFAULT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_CHOOSER_IMPL_DEFAULT, GtkFileChooserImplDefaultClass))
struct _GtkFileChooserImplDefaultClass
{
GtkVBoxClass parent_class;
};
struct _GtkFileChooserImplDefault
{
GtkVBox parent_instance;
GtkFileSystem *file_system;
GtkFileSystemModel *tree_model;
GtkFileSystemModel *list_model;
GtkTreeModelSort *sort_model;
GtkFileChooserAction action;
gchar *current_folder;
guint folder_mode : 1;
guint local_only : 1;
guint preview_widget_active : 1;
guint select_multiple : 1;
guint show_hidden : 1;
GtkWidget *tree_scrollwin;
GtkWidget *tree;
GtkWidget *list_scrollwin;
GtkWidget *list;
GtkWidget *entry;
GtkWidget *preview_widget;
};
static void gtk_file_chooser_impl_default_class_init (GtkFileChooserImplDefaultClass *class);
static void gtk_file_chooser_impl_default_iface_init (GtkFileChooserIface *iface);
static void gtk_file_chooser_impl_default_init (GtkFileChooserImplDefault *impl);
static GObject* gtk_file_chooser_impl_default_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params);
static void gtk_file_chooser_impl_default_finalize (GObject *object);
static void gtk_file_chooser_impl_default_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_file_chooser_impl_default_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_file_chooser_impl_default_set_current_folder (GtkFileChooser *chooser,
const char *uri);
static char * gtk_file_chooser_impl_default_get_current_folder (GtkFileChooser *chooser);
static void gtk_file_chooser_impl_default_select_uri (GtkFileChooser *chooser,
const char *uri);
static void gtk_file_chooser_impl_default_unselect_uri (GtkFileChooser *chooser,
const char *uri);
static void gtk_file_chooser_impl_default_select_all (GtkFileChooser *chooser);
static void gtk_file_chooser_impl_default_unselect_all (GtkFileChooser *chooser);
static GSList *gtk_file_chooser_impl_default_get_uris (GtkFileChooser *chooser);
static void tree_selection_changed (GtkTreeSelection *tree_selection,
GtkFileChooserImplDefault *impl);
static void list_selection_changed (GtkTreeSelection *tree_selection,
GtkFileChooserImplDefault *impl);
static void entry_activate (GtkEntry *entry,
GtkFileChooserImplDefault *impl);
static void tree_name_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data);
static void list_name_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data);
static void list_size_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data);
GObjectClass *parent_class;
GType
_gtk_file_chooser_impl_default_get_type (void)
{
static GType file_chooser_impl_default_type = 0;
if (!file_chooser_impl_default_type)
{
static const GTypeInfo file_chooser_impl_default_info =
{
sizeof (GtkFileChooserImplDefaultClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_file_chooser_impl_default_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkFileChooserImplDefault),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_file_chooser_impl_default_init,
};
static const GInterfaceInfo file_chooser_info =
{
(GInterfaceInitFunc) gtk_file_chooser_impl_default_iface_init, /* interface_init */
NULL, /* interface_finalize */
NULL /* interface_data */
};
file_chooser_impl_default_type = g_type_register_static (GTK_TYPE_VBOX, "GtkFileChooserImplDefault",
&file_chooser_impl_default_info, 0);
g_type_add_interface_static (file_chooser_impl_default_type,
GTK_TYPE_FILE_CHOOSER,
&file_chooser_info);
}
return file_chooser_impl_default_type;
}
static void
gtk_file_chooser_impl_default_class_init (GtkFileChooserImplDefaultClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
gobject_class->finalize = gtk_file_chooser_impl_default_finalize;
gobject_class->constructor = gtk_file_chooser_impl_default_constructor;
gobject_class->set_property = gtk_file_chooser_impl_default_set_property;
gobject_class->get_property = gtk_file_chooser_impl_default_get_property;
_gtk_file_chooser_install_properties (gobject_class);
}
static void
gtk_file_chooser_impl_default_iface_init (GtkFileChooserIface *iface)
{
iface->select_uri = gtk_file_chooser_impl_default_select_uri;
iface->unselect_uri = gtk_file_chooser_impl_default_unselect_uri;
iface->select_all = gtk_file_chooser_impl_default_select_all;
iface->unselect_all = gtk_file_chooser_impl_default_unselect_all;
iface->get_uris = gtk_file_chooser_impl_default_get_uris;
iface->set_current_folder = gtk_file_chooser_impl_default_set_current_folder;
iface->get_current_folder = gtk_file_chooser_impl_default_get_current_folder;
}
static void
gtk_file_chooser_impl_default_init (GtkFileChooserImplDefault *impl)
{
impl->folder_mode = FALSE;
impl->local_only = TRUE;
impl->preview_widget_active = TRUE;
impl->select_multiple = FALSE;
impl->show_hidden = FALSE;
gtk_container_set_border_width (GTK_CONTAINER (impl), 5);
}
static void
gtk_file_chooser_impl_default_finalize (GObject *object)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (object);
g_object_unref (impl->file_system);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
set_preview_widget (GtkFileChooserImplDefault *impl,
GtkWidget *preview_widget)
{
if (preview_widget == impl->preview_widget)
return;
if (impl->preview_widget)
{
g_object_unref (impl->preview_widget);
impl->preview_widget = NULL;
}
impl->preview_widget = preview_widget;
if (impl->preview_widget)
{
g_object_ref (impl->preview_widget);
gtk_object_sink (GTK_OBJECT (impl->preview_widget));
}
}
static GObject*
gtk_file_chooser_impl_default_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params)
{
GtkFileChooserImplDefault *impl;
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
GObject *object;
GtkWidget *hpaned;
GtkWidget *hbox;
GtkWidget *label;
GtkTreeSelection *selection;
#if 0
GList *focus_chain;
#endif
object = parent_class->constructor (type,
n_construct_properties,
construct_params);
impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (object);
g_assert (impl->file_system);
gtk_widget_push_composite_child ();
hpaned = gtk_hpaned_new ();
gtk_box_pack_start (GTK_BOX (impl), hpaned, TRUE, TRUE, 0);
gtk_widget_show (hpaned);
impl->tree_scrollwin = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (impl->tree_scrollwin),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (impl->tree_scrollwin),
GTK_SHADOW_IN);
gtk_paned_add1 (GTK_PANED (hpaned), impl->tree_scrollwin);
gtk_widget_show (impl->tree_scrollwin);
impl->tree = gtk_tree_view_new ();
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (impl->tree), FALSE);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->tree));
g_signal_connect (selection, "changed",
G_CALLBACK (tree_selection_changed), impl);
gtk_paned_set_position (GTK_PANED (hpaned), 200);
gtk_container_add (GTK_CONTAINER (impl->tree_scrollwin), impl->tree);
gtk_widget_show (impl->tree);
impl->list_scrollwin = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (impl->list_scrollwin),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (impl->list_scrollwin),
GTK_SHADOW_IN);
gtk_paned_add2 (GTK_PANED (hpaned), impl->list_scrollwin);
gtk_widget_show (impl->list_scrollwin);
impl->list = gtk_tree_view_new ();
gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (impl->list), TRUE);
gtk_container_add (GTK_CONTAINER (impl->list_scrollwin), impl->list);
gtk_widget_show (impl->list);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->list));
g_signal_connect (selection, "changed",
G_CALLBACK (list_selection_changed), impl);
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (impl), hbox, FALSE, FALSE, 6);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic ("_Location:");
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
impl->entry = _gtk_file_chooser_entry_new ();
gtk_entry_set_activates_default (GTK_ENTRY (impl->entry), TRUE);
g_signal_connect (impl->entry, "activate",
G_CALLBACK (entry_activate), impl);
gtk_box_pack_start (GTK_BOX (hbox), impl->entry, TRUE, TRUE, 0);
gtk_widget_show (impl->entry);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), impl->entry);
#if 0
focus_chain = g_list_append (NULL, impl->entry);
focus_chain = g_list_append (focus_chain, impl->tree);
focus_chain = g_list_append (focus_chain, impl->list);
gtk_container_set_focus_chain (GTK_CONTAINER (impl), focus_chain);
g_list_free (focus_chain);
#endif
gtk_widget_pop_composite_child ();
impl->tree_model = _gtk_file_system_model_new (impl->file_system, NULL, -1,
GTK_FILE_INFO_DISPLAY_NAME);
_gtk_file_system_model_set_show_files (impl->tree_model, FALSE);
gtk_tree_view_set_model (GTK_TREE_VIEW (impl->tree),
GTK_TREE_MODEL (impl->tree_model));
gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (impl->tree), 0,
"File name",
gtk_cell_renderer_text_new (),
tree_name_data_func, impl, NULL);
gtk_tree_view_set_search_column (GTK_TREE_VIEW (impl->tree),
GTK_FILE_SYSTEM_MODEL_DISPLAY_NAME);
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, "File name");
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_set_cell_data_func (column, renderer,
list_name_data_func, impl, NULL);
gtk_tree_view_column_set_sort_column_id (column, 0);
gtk_tree_view_append_column (GTK_TREE_VIEW (impl->list), column);
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, "Size");
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_set_cell_data_func (column, renderer,
list_size_data_func, impl, NULL);
gtk_tree_view_column_set_sort_column_id (column, 1);
gtk_tree_view_append_column (GTK_TREE_VIEW (impl->list), column);
_gtk_file_chooser_entry_set_file_system (GTK_FILE_CHOOSER_ENTRY (impl->entry),
impl->file_system);
return object;
}
static void
gtk_file_chooser_impl_default_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (object);
switch (prop_id)
{
case GTK_FILE_CHOOSER_PROP_ACTION:
impl->action = g_value_get_enum (value);
break;
case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM:
{
GtkFileSystem *file_system = g_value_get_object (value);
if (impl->file_system != file_system)
{
if (impl->file_system)
g_object_unref (impl->file_system);
impl->file_system = file_system;
if (impl->file_system)
g_object_ref (impl->file_system);
}
}
break;
case GTK_FILE_CHOOSER_PROP_FOLDER_MODE:
{
gboolean folder_mode = g_value_get_boolean (value);
if (folder_mode != impl->folder_mode)
{
impl->folder_mode = folder_mode;
if (impl->folder_mode)
gtk_widget_hide (impl->list_scrollwin);
else
gtk_widget_show (impl->list_scrollwin);
}
}
break;
case GTK_FILE_CHOOSER_PROP_LOCAL_ONLY:
impl->local_only = g_value_get_boolean (value);
break;
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET:
set_preview_widget (impl, g_value_get_object (value));
break;
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE:
impl->preview_widget_active = g_value_get_boolean (value);
break;
case GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE:
{
gboolean select_multiple = g_value_get_boolean (value);
if (select_multiple != impl->select_multiple)
{
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->list));
impl->select_multiple = select_multiple;
gtk_tree_selection_set_mode (selection,
(select_multiple ?
GTK_SELECTION_MULTIPLE : GTK_SELECTION_BROWSE));
}
}
break;
case GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN:
{
gboolean show_hidden = g_value_get_boolean (value);
if (show_hidden != impl->show_hidden)
{
impl->show_hidden = show_hidden;
_gtk_file_system_model_set_show_hidden (impl->tree_model, show_hidden);
_gtk_file_system_model_set_show_hidden (impl->list_model, show_hidden);
}
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_file_chooser_impl_default_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (object);
switch (prop_id)
{
case GTK_FILE_CHOOSER_PROP_ACTION:
g_value_set_enum (value, impl->action);
break;
case GTK_FILE_CHOOSER_PROP_FOLDER_MODE:
g_value_set_boolean (value, impl->folder_mode);
break;
case GTK_FILE_CHOOSER_PROP_LOCAL_ONLY:
g_value_set_boolean (value, impl->local_only);
break;
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET:
g_value_set_object (value, impl->preview_widget);
break;
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE:
g_value_set_boolean (value, impl->preview_widget_active);
break;
case GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE:
g_value_set_boolean (value, impl->select_multiple);
break;
case GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN:
g_value_set_boolean (value, impl->show_hidden);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
expand_and_select_func (GtkFileSystemModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer user_data)
{
GtkFileChooserImplDefault *impl = user_data;
GtkTreeView *tree_view;
if (model == impl->tree_model)
tree_view = GTK_TREE_VIEW (impl->tree);
else
tree_view = GTK_TREE_VIEW (impl->list);
gtk_tree_view_expand_to_path (tree_view, path);
gtk_tree_view_expand_row (tree_view, path, FALSE);
gtk_tree_view_set_cursor (tree_view, path, NULL, FALSE);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (impl->tree), path, NULL, TRUE, 0.3, 0.5);
}
static void
gtk_file_chooser_impl_default_set_current_folder (GtkFileChooser *chooser,
const char *uri)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (chooser);
_gtk_file_system_model_uri_do (impl->tree_model, uri,
expand_and_select_func, impl);
}
static char *
gtk_file_chooser_impl_default_get_current_folder (GtkFileChooser *chooser)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (chooser);
return g_strdup (impl->current_folder);
}
static void
select_func (GtkFileSystemModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer user_data)
{
GtkFileChooserImplDefault *impl = user_data;
GtkTreeView *tree_view = GTK_TREE_VIEW (impl->list);
GtkTreePath *sorted_path;
sorted_path = gtk_tree_model_sort_convert_child_path_to_path (impl->sort_model, path);
gtk_tree_view_set_cursor (tree_view, sorted_path, NULL, FALSE);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (impl->tree), sorted_path, NULL, TRUE, 0.3, 0.0);
gtk_tree_path_free (sorted_path);
}
static void
gtk_file_chooser_impl_default_select_uri (GtkFileChooser *chooser,
const char *uri)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (chooser);
gchar *parent_uri;
if (!gtk_file_system_get_parent (impl->file_system, uri, &parent_uri, NULL)) /* NULL-GError */
return;
if (!parent_uri)
{
gtk_file_chooser_set_current_folder_uri (chooser, uri);
}
else
{
gtk_file_chooser_set_current_folder_uri (chooser, parent_uri);
g_free (parent_uri);
_gtk_file_system_model_uri_do (impl->list_model, uri,
select_func, impl);
}
}
static void
unselect_func (GtkFileSystemModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer user_data)
{
GtkFileChooserImplDefault *impl = user_data;
GtkTreeView *tree_view = GTK_TREE_VIEW (impl->list);
GtkTreePath *sorted_path;
sorted_path = gtk_tree_model_sort_convert_child_path_to_path (impl->sort_model,
path);
gtk_tree_selection_unselect_path (gtk_tree_view_get_selection (tree_view),
sorted_path);
gtk_tree_path_free (sorted_path);
}
static void
gtk_file_chooser_impl_default_unselect_uri (GtkFileChooser *chooser,
const char *uri)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (chooser);
_gtk_file_system_model_uri_do (impl->list_model, uri,
unselect_func, impl);
}
static void
gtk_file_chooser_impl_default_select_all (GtkFileChooser *chooser)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (chooser);
if (impl->select_multiple)
{
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->list));
gtk_tree_selection_select_all (selection);
}
}
static void
gtk_file_chooser_impl_default_unselect_all (GtkFileChooser *chooser)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (chooser);
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->list));
gtk_tree_selection_unselect_all (selection);
}
static void
get_uris_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
GtkTreePath *child_path;
GtkTreeIter child_iter;
const gchar *uri;
struct {
GSList *result;
GtkFileChooserImplDefault *impl;
} *info = data;
child_path = gtk_tree_model_sort_convert_path_to_child_path (info->impl->sort_model, path);
gtk_tree_model_get_iter (GTK_TREE_MODEL (info->impl->list_model), &child_iter, child_path);
gtk_tree_path_free (child_path);
uri = _gtk_file_system_model_get_uri (info->impl->tree_model, &child_iter);
info->result = g_slist_prepend (info->result, g_strdup (uri));
}
static GSList *
gtk_file_chooser_impl_default_get_uris (GtkFileChooser *chooser)
{
GtkFileChooserImplDefault *impl = GTK_FILE_CHOOSER_IMPL_DEFAULT (chooser);
GtkTreeSelection *selection;
struct {
GSList *result;
GtkFileChooserImplDefault *impl;
} info = { NULL, };
if (!gtk_tree_view_get_model (GTK_TREE_VIEW (impl->list)))
return NULL;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->list));
info.impl = impl;
gtk_tree_selection_selected_foreach (selection,
get_uris_foreach, &info);
return g_slist_reverse (info.result);
}
static gint
name_sort_func (GtkTreeModel *model,
GtkTreeIter *a,
GtkTreeIter *b,
gpointer user_data)
{
GtkFileChooserImplDefault *impl = user_data;
const GtkFileInfo *info_a = _gtk_file_system_model_get_info (impl->tree_model, a);
const GtkFileInfo *info_b = _gtk_file_system_model_get_info (impl->tree_model, b);
return strcmp (gtk_file_info_get_display_key (info_a), gtk_file_info_get_display_key (info_b));
}
static gint
size_sort_func (GtkTreeModel *model,
GtkTreeIter *a,
GtkTreeIter *b,
gpointer user_data)
{
GtkFileChooserImplDefault *impl = user_data;
const GtkFileInfo *info_a = _gtk_file_system_model_get_info (impl->tree_model, a);
const GtkFileInfo *info_b = _gtk_file_system_model_get_info (impl->tree_model, b);
gint64 size_a = gtk_file_info_get_size (info_a);
gint64 size_b = gtk_file_info_get_size (info_b);
return size_a > size_b ? -1 : (size_a == size_b ? 0 : 1);
}
static void
open_and_close (GtkTreeView *tree_view,
GtkTreePath *target_path)
{
GtkTreeModel *model = gtk_tree_view_get_model (tree_view);
GtkTreeIter iter;
GtkTreePath *path;
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, 0);
gtk_tree_model_get_iter (model, &iter, path);
while (TRUE)
{
if (gtk_tree_path_is_ancestor (path, target_path) ||
gtk_tree_path_compare (path, target_path) == 0)
{
GtkTreeIter child_iter;
gtk_tree_view_expand_row (tree_view, path, FALSE);
if (gtk_tree_model_iter_children (model, &child_iter, &iter))
{
iter = child_iter;
gtk_tree_path_down (path);
goto next;
}
}
else
gtk_tree_view_collapse_row (tree_view, path);
while (TRUE)
{
GtkTreeIter parent_iter;
GtkTreeIter next_iter;
next_iter = iter;
if (gtk_tree_model_iter_next (model, &next_iter))
{
iter = next_iter;
gtk_tree_path_next (path);
goto next;
}
if (!gtk_tree_model_iter_parent (model, &parent_iter, &iter))
goto out;
iter = parent_iter;
gtk_tree_path_up (path);
}
next:
;
}
out:
gtk_tree_path_free (path);
}
static void
update_chooser_entry (GtkFileChooserImplDefault *impl)
{
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->list));
const GtkFileInfo *info;
GtkTreeIter iter;
GtkTreeIter child_iter;
if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
return;
gtk_tree_model_sort_convert_iter_to_child_iter (impl->sort_model,
&child_iter,
&iter);
info = _gtk_file_system_model_get_info (impl->list_model, &child_iter);
_gtk_file_chooser_entry_set_file_part (GTK_FILE_CHOOSER_ENTRY (impl->entry),
gtk_file_info_get_display_name (info));
}
static void
tree_selection_changed (GtkTreeSelection *selection,
GtkFileChooserImplDefault *impl)
{
GtkTreeIter iter;
const gchar *uri;
GtkTreePath *path;
if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
return;
uri = _gtk_file_system_model_get_uri (impl->tree_model, &iter);
if (impl->current_folder && strcmp (uri, impl->current_folder) == 0)
return;
if (impl->current_folder)
g_free (impl->current_folder);
impl->current_folder = g_strdup (uri);
_gtk_file_chooser_entry_set_base_folder (GTK_FILE_CHOOSER_ENTRY (impl->entry), uri);
if (impl->list_model)
{
g_object_unref (impl->list_model);
impl->list_model = NULL;
g_object_unref (impl->sort_model);
impl->sort_model = NULL;
}
/* Close the tree up to only the parents of the newly selected
* node and it's immediate children are visible.
*/
path = gtk_tree_model_get_path (GTK_TREE_MODEL (impl->tree_model), &iter);
open_and_close (GTK_TREE_VIEW (impl->tree), path);
gtk_tree_path_free (path);
/* Now update the list view to show the new row.
*/
uri = _gtk_file_system_model_get_uri (impl->tree_model, &iter);
impl->list_model = _gtk_file_system_model_new (impl->file_system,
uri, 0,
GTK_FILE_INFO_DISPLAY_NAME |
GTK_FILE_INFO_SIZE);
_gtk_file_system_model_set_show_folders (impl->list_model, FALSE);
impl->sort_model = (GtkTreeModelSort *)gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (impl->list_model));
gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (impl->sort_model), 0, name_sort_func, impl, NULL);
gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (impl->sort_model), 1, size_sort_func, impl, NULL);
gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (impl->sort_model),
name_sort_func, impl, NULL);
gtk_tree_view_set_model (GTK_TREE_VIEW (impl->list),
GTK_TREE_MODEL (impl->sort_model));
gtk_tree_view_set_search_column (GTK_TREE_VIEW (impl->list),
GTK_FILE_SYSTEM_MODEL_DISPLAY_NAME);
g_signal_emit_by_name (impl, "current_folder_changed", 0);
update_chooser_entry (impl);
g_signal_emit_by_name (impl, "selection_changed", 0);
}
static void
list_selection_changed (GtkTreeSelection *selection,
GtkFileChooserImplDefault *impl)
{
update_chooser_entry (impl);
g_signal_emit_by_name (impl, "selection_changed", 0);
}
static void
entry_activate (GtkEntry *entry,
GtkFileChooserImplDefault *impl)
{
GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (entry);
const gchar *folder_uri = _gtk_file_chooser_entry_get_current_folder (chooser_entry);
const gchar *file_part = _gtk_file_chooser_entry_get_file_part (chooser_entry);
gchar *new_folder = NULL;
/* If the file part is non-empty, we need to figure out if it
* refers to a folder within folder. We could optimize the case
* here where the folder is already loaded for one of our tree models.
*/
if (file_part[0] == '\0' && strcmp (impl->current_folder, folder_uri) != 0)
new_folder = g_strdup (folder_uri);
else
{
GtkFileFolder *folder = NULL;
gchar *subfolder_uri = NULL;
GtkFileInfo *info = NULL;
folder = gtk_file_system_get_folder (impl->file_system,
folder_uri,
GTK_FILE_INFO_IS_FOLDER,
NULL); /* NULL-GError */
if (folder)
subfolder_uri = gtk_file_system_make_uri (impl->file_system,
folder_uri,
file_part,
NULL); /* NULL-GError */
if (subfolder_uri)
info = gtk_file_folder_get_info (folder,
subfolder_uri,
NULL); /* NULL-GError */
if (info && gtk_file_info_get_is_folder (info))
new_folder = g_strdup (subfolder_uri);
if (folder)
g_object_unref (folder);
if (subfolder_uri)
g_free (subfolder_uri);
if (info)
gtk_file_info_free (info);
}
if (new_folder)
{
g_signal_stop_emission_by_name (entry, "activate");
gtk_file_chooser_set_current_folder_uri (GTK_FILE_CHOOSER (impl), new_folder);
_gtk_file_chooser_entry_set_file_part (chooser_entry, "");
g_free (new_folder);
}
}
const GtkFileInfo *
get_list_file_info (GtkFileChooserImplDefault *impl,
GtkTreeIter *iter)
{
GtkTreeIter child_iter;
gtk_tree_model_sort_convert_iter_to_child_iter (impl->sort_model,
&child_iter,
iter);
return _gtk_file_system_model_get_info (impl->tree_model, &child_iter);
}
static void
tree_name_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
GtkFileChooserImplDefault *impl = data;
const GtkFileInfo *info = _gtk_file_system_model_get_info (impl->tree_model, iter);
if (info)
{
g_object_set (cell,
"text", gtk_file_info_get_display_name (info),
NULL);
}
}
static void
list_name_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
GtkFileChooserImplDefault *impl = data;
const GtkFileInfo *info = get_list_file_info (impl, iter);
if (info)
{
g_object_set (cell,
"text", gtk_file_info_get_display_name (info),
NULL);
}
}
static void
list_size_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
GtkFileChooserImplDefault *impl = data;
const GtkFileInfo *info = get_list_file_info (impl, iter);
if (info)
{
gint64 size = gtk_file_info_get_size (info);
gchar *str;
if (size < (gint64)1024)
str = g_strdup_printf ("%d bytes", (gint)size);
else if (size < (gint64)1024*1024)
str = g_strdup_printf ("%.1f K", size / (1024.));
else if (size < (gint64)1024*1024*1024)
str = g_strdup_printf ("%.1f M", size / (1024.*1024.));
else
str = g_strdup_printf ("%.1f G", size / (1024.*1024.*1024.));
g_object_set (cell,
"text", str,
NULL);
g_free (str);
}
}
GtkWidget *
_gtk_file_chooser_impl_default_new (GtkFileSystem *file_system)
{
return g_object_new (GTK_TYPE_FILE_CHOOSER_IMPL_DEFAULT,
"file-system", file_system,
NULL);
}
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