gtk2/gtk/gtkfilechooserutils.c
Matthias Clasen 2746a2d929 filechooser: Drop the ::selection-changed signal
This signal does not work on native file choosers,
and it exposes internals of the widget that should
not be public. And it is just not very interesting.
2020-07-09 02:06:31 -04:00

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/* GTK - The GIMP Toolkit
* gtkfilechooserutils.c: Private utility functions useful for
* implementing a GtkFileChooser interface
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkfilechooserutils.h"
#include "gtkfilechooser.h"
#include "gtkfilesystem.h"
#include "gtktypebuiltins.h"
#include "gtkintl.h"
static gboolean delegate_set_current_folder (GtkFileChooser *chooser,
GFile *file,
GError **error);
static GFile * delegate_get_current_folder (GtkFileChooser *chooser);
static void delegate_set_current_name (GtkFileChooser *chooser,
const gchar *name);
static gchar * delegate_get_current_name (GtkFileChooser *chooser);
static gboolean delegate_select_file (GtkFileChooser *chooser,
GFile *file,
GError **error);
static void delegate_unselect_file (GtkFileChooser *chooser,
GFile *file);
static void delegate_select_all (GtkFileChooser *chooser);
static void delegate_unselect_all (GtkFileChooser *chooser);
static GListModel * delegate_get_files (GtkFileChooser *chooser);
static GtkFileSystem *delegate_get_file_system (GtkFileChooser *chooser);
static void delegate_add_filter (GtkFileChooser *chooser,
GtkFileFilter *filter);
static void delegate_remove_filter (GtkFileChooser *chooser,
GtkFileFilter *filter);
static GListModel * delegate_get_filters (GtkFileChooser *chooser);
static gboolean delegate_add_shortcut_folder (GtkFileChooser *chooser,
GFile *file,
GError **error);
static gboolean delegate_remove_shortcut_folder (GtkFileChooser *chooser,
GFile *file,
GError **error);
static GListModel * delegate_get_shortcut_folders (GtkFileChooser *chooser);
static void delegate_notify (GObject *object,
GParamSpec *pspec,
gpointer data);
static void delegate_add_choice (GtkFileChooser *chooser,
const char *id,
const char *label,
const char **options,
const char **option_labels);
static void delegate_remove_choice (GtkFileChooser *chooser,
const char *id);
static void delegate_set_choice (GtkFileChooser *chooser,
const char *id,
const char *option);
static const char * delegate_get_choice (GtkFileChooser *chooser,
const char *id);
/**
* _gtk_file_chooser_install_properties:
* @klass: the class structure for a type deriving from #GObject
*
* Installs the necessary properties for a class implementing
* #GtkFileChooser. A #GtkParamSpecOverride property is installed
* for each property, using the values from the #GtkFileChooserProp
* enumeration. The caller must make sure itself that the enumeration
* values dont collide with some other property values they
* are using.
**/
void
_gtk_file_chooser_install_properties (GObjectClass *klass)
{
g_object_class_override_property (klass,
GTK_FILE_CHOOSER_PROP_ACTION,
"action");
g_object_class_override_property (klass,
GTK_FILE_CHOOSER_PROP_FILTER,
"filter");
g_object_class_override_property (klass,
GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE,
"select-multiple");
g_object_class_override_property (klass,
GTK_FILE_CHOOSER_PROP_CREATE_FOLDERS,
"create-folders");
g_object_class_override_property (klass,
GTK_FILE_CHOOSER_PROP_FILTERS,
"filters");
g_object_class_override_property (klass,
GTK_FILE_CHOOSER_PROP_SHORTCUT_FOLDERS,
"shortcut-folders");
}
/**
* _gtk_file_chooser_delegate_iface_init:
* @iface: a #GtkFileChoserIface structure
*
* An interface-initialization function for use in cases where
* an object is simply delegating the methods, signals of
* the #GtkFileChooser interface to another object.
* _gtk_file_chooser_set_delegate() must be called on each
* instance of the object so that the delegate object can
* be found.
**/
void
_gtk_file_chooser_delegate_iface_init (GtkFileChooserIface *iface)
{
iface->set_current_folder = delegate_set_current_folder;
iface->get_current_folder = delegate_get_current_folder;
iface->set_current_name = delegate_set_current_name;
iface->get_current_name = delegate_get_current_name;
iface->select_file = delegate_select_file;
iface->unselect_file = delegate_unselect_file;
iface->select_all = delegate_select_all;
iface->unselect_all = delegate_unselect_all;
iface->get_files = delegate_get_files;
iface->get_file_system = delegate_get_file_system;
iface->add_filter = delegate_add_filter;
iface->remove_filter = delegate_remove_filter;
iface->get_filters = delegate_get_filters;
iface->add_shortcut_folder = delegate_add_shortcut_folder;
iface->remove_shortcut_folder = delegate_remove_shortcut_folder;
iface->get_shortcut_folders = delegate_get_shortcut_folders;
iface->add_choice = delegate_add_choice;
iface->remove_choice = delegate_remove_choice;
iface->set_choice = delegate_set_choice;
iface->get_choice = delegate_get_choice;
}
/**
* _gtk_file_chooser_set_delegate:
* @receiver: a #GObject implementing #GtkFileChooser
* @delegate: another #GObject implementing #GtkFileChooser
*
* Establishes that calls on @receiver for #GtkFileChooser
* methods should be delegated to @delegate, and that
* #GtkFileChooser signals emitted on @delegate should be
* forwarded to @receiver. Must be used in conjunction with
* _gtk_file_chooser_delegate_iface_init().
**/
void
_gtk_file_chooser_set_delegate (GtkFileChooser *receiver,
GtkFileChooser *delegate)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER (receiver));
g_return_if_fail (GTK_IS_FILE_CHOOSER (delegate));
g_object_set_data (G_OBJECT (receiver), I_("gtk-file-chooser-delegate"), delegate);
g_signal_connect (delegate, "notify",
G_CALLBACK (delegate_notify), receiver);
}
GQuark
_gtk_file_chooser_delegate_get_quark (void)
{
static GQuark quark = 0;
if (G_UNLIKELY (quark == 0))
quark = g_quark_from_static_string ("gtk-file-chooser-delegate");
return quark;
}
static GtkFileChooser *
get_delegate (GtkFileChooser *receiver)
{
return g_object_get_qdata (G_OBJECT (receiver),
GTK_FILE_CHOOSER_DELEGATE_QUARK);
}
static gboolean
delegate_select_file (GtkFileChooser *chooser,
GFile *file,
GError **error)
{
return gtk_file_chooser_select_file (get_delegate (chooser), file, error);
}
static void
delegate_unselect_file (GtkFileChooser *chooser,
GFile *file)
{
gtk_file_chooser_unselect_file (get_delegate (chooser), file);
}
static void
delegate_select_all (GtkFileChooser *chooser)
{
gtk_file_chooser_select_all (get_delegate (chooser));
}
static void
delegate_unselect_all (GtkFileChooser *chooser)
{
gtk_file_chooser_unselect_all (get_delegate (chooser));
}
static GListModel *
delegate_get_files (GtkFileChooser *chooser)
{
return gtk_file_chooser_get_files (get_delegate (chooser));
}
static GtkFileSystem *
delegate_get_file_system (GtkFileChooser *chooser)
{
return _gtk_file_chooser_get_file_system (get_delegate (chooser));
}
static void
delegate_add_filter (GtkFileChooser *chooser,
GtkFileFilter *filter)
{
gtk_file_chooser_add_filter (get_delegate (chooser), filter);
}
static void
delegate_remove_filter (GtkFileChooser *chooser,
GtkFileFilter *filter)
{
gtk_file_chooser_remove_filter (get_delegate (chooser), filter);
}
static GListModel *
delegate_get_filters (GtkFileChooser *chooser)
{
return gtk_file_chooser_get_filters (get_delegate (chooser));
}
static gboolean
delegate_add_shortcut_folder (GtkFileChooser *chooser,
GFile *file,
GError **error)
{
return gtk_file_chooser_add_shortcut_folder (get_delegate (chooser), file, error);
}
static gboolean
delegate_remove_shortcut_folder (GtkFileChooser *chooser,
GFile *file,
GError **error)
{
return gtk_file_chooser_remove_shortcut_folder (get_delegate (chooser), file, error);
}
static GListModel *
delegate_get_shortcut_folders (GtkFileChooser *chooser)
{
return gtk_file_chooser_get_shortcut_folders (get_delegate (chooser));
}
static gboolean
delegate_set_current_folder (GtkFileChooser *chooser,
GFile *file,
GError **error)
{
return gtk_file_chooser_set_current_folder (get_delegate (chooser), file, error);
}
static GFile *
delegate_get_current_folder (GtkFileChooser *chooser)
{
return gtk_file_chooser_get_current_folder (get_delegate (chooser));
}
static void
delegate_set_current_name (GtkFileChooser *chooser,
const gchar *name)
{
gtk_file_chooser_set_current_name (get_delegate (chooser), name);
}
static gchar *
delegate_get_current_name (GtkFileChooser *chooser)
{
return gtk_file_chooser_get_current_name (get_delegate (chooser));
}
static void
delegate_notify (GObject *object,
GParamSpec *pspec,
gpointer data)
{
gpointer iface;
iface = g_type_interface_peek (g_type_class_peek (G_OBJECT_TYPE (object)),
gtk_file_chooser_get_type ());
if (g_object_interface_find_property (iface, pspec->name))
g_object_notify (data, pspec->name);
}
GSettings *
_gtk_file_chooser_get_settings_for_widget (GtkWidget *widget)
{
static GQuark file_chooser_settings_quark = 0;
GtkSettings *gtksettings;
GSettings *settings;
if (G_UNLIKELY (file_chooser_settings_quark == 0))
file_chooser_settings_quark = g_quark_from_static_string ("-gtk-file-chooser-settings");
gtksettings = gtk_widget_get_settings (widget);
settings = g_object_get_qdata (G_OBJECT (gtksettings), file_chooser_settings_quark);
if (G_UNLIKELY (settings == NULL))
{
settings = g_settings_new ("org.gtk.gtk4.Settings.FileChooser");
g_settings_delay (settings);
g_object_set_qdata_full (G_OBJECT (gtksettings),
file_chooser_settings_quark,
settings,
g_object_unref);
}
return settings;
}
gchar *
_gtk_file_chooser_label_for_file (GFile *file)
{
const gchar *path, *start, *end, *p;
gchar *uri, *host, *label;
uri = g_file_get_uri (file);
start = strstr (uri, "://");
if (start)
{
start += 3;
path = strchr (start, '/');
if (path)
end = path;
else
{
end = uri + strlen (uri);
path = "/";
}
/* strip username */
p = strchr (start, '@');
if (p && p < end)
start = p + 1;
p = strchr (start, ':');
if (p && p < end)
end = p;
host = g_strndup (start, end - start);
/* Translators: the first string is a path and the second string
* is a hostname. Nautilus and the panel contain the same string
* to translate.
*/
label = g_strdup_printf (_("%1$s on %2$s"), path, host);
g_free (host);
}
else
{
label = g_strdup (uri);
}
g_free (uri);
return label;
}
static void
delegate_add_choice (GtkFileChooser *chooser,
const char *id,
const char *label,
const char **options,
const char **option_labels)
{
gtk_file_chooser_add_choice (get_delegate (chooser),
id, label, options, option_labels);
}
static void
delegate_remove_choice (GtkFileChooser *chooser,
const char *id)
{
gtk_file_chooser_remove_choice (get_delegate (chooser), id);
}
static void
delegate_set_choice (GtkFileChooser *chooser,
const char *id,
const char *option)
{
gtk_file_chooser_set_choice (get_delegate (chooser), id, option);
}
static const char *
delegate_get_choice (GtkFileChooser *chooser,
const char *id)
{
return gtk_file_chooser_get_choice (get_delegate (chooser), id);
}