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gtk2/gtk/gtkfilechooserbutton.c
Matthias Clasen 60ec536ce3 Doc updates
2005-10-26 19:10:08 +00:00

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
/* GTK+: gtkfilechooserbutton.c
*
* Copyright (c) 2004 James M. Cape <jcape@ignore-your.tv>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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 <config.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include "gtkintl.h"
#include "gtkbutton.h"
#include "gtkcelllayout.h"
#include "gtkcellrenderertext.h"
#include "gtkcellrendererpixbuf.h"
#include "gtkcombobox.h"
#include "gtkdnd.h"
#include "gtkicontheme.h"
#include "gtkiconfactory.h"
#include "gtkimage.h"
#include "gtklabel.h"
#include "gtkliststore.h"
#include "gtkstock.h"
#include "gtktreemodelfilter.h"
#include "gtkvseparator.h"
#include "gtkfilechooserdialog.h"
#include "gtkfilechooserprivate.h"
#include "gtkfilechooserutils.h"
#include "gtkfilechooserbutton.h"
#ifdef G_OS_WIN32
#include "gtkfilesystemwin32.h"
#endif
#include "gtkprivate.h"
#include "gtkalias.h"
/* **************** *
* Private Macros *
* **************** */
#define GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE(object) (GTK_FILE_CHOOSER_BUTTON ((object))->priv)
#define DEFAULT_TITLE N_("Select A File")
#define HOME_DISPLAY_NAME N_("Home")
#define DESKTOP_DISPLAY_NAME N_("Desktop")
#define FALLBACK_DISPLAY_NAME N_("(None)")
#define FALLBACK_ICON_NAME "stock_unknown"
#define FALLBACK_ICON_SIZE 16
/* ********************** *
* Private Enumerations *
* ********************** */
/* Property IDs */
enum
{
PROP_0,
PROP_DIALOG,
PROP_TITLE,
PROP_WIDTH_CHARS
};
/* TreeModel Columns */
enum
{
ICON_COLUMN,
DISPLAY_NAME_COLUMN,
TYPE_COLUMN,
DATA_COLUMN,
NUM_COLUMNS
};
/* TreeModel Row Types */
typedef enum
{
ROW_TYPE_SPECIAL,
ROW_TYPE_VOLUME,
ROW_TYPE_SHORTCUT,
ROW_TYPE_BOOKMARK_SEPARATOR,
ROW_TYPE_BOOKMARK,
ROW_TYPE_CURRENT_FOLDER_SEPARATOR,
ROW_TYPE_CURRENT_FOLDER,
ROW_TYPE_OTHER_SEPARATOR,
ROW_TYPE_OTHER,
ROW_TYPE_INVALID = -1
}
RowType;
/* ******************** *
* Private Structures *
* ******************** */
struct _GtkFileChooserButtonPrivate
{
GtkWidget *dialog;
GtkWidget *button;
GtkWidget *image;
GtkWidget *label;
GtkWidget *combo_box;
GtkCellRenderer *icon_cell;
GtkCellRenderer *name_cell;
GtkTreeModel *model;
GtkTreeModel *filter_model;
gchar *backend;
GtkFileSystem *fs;
GtkFilePath *old_path;
gulong combo_box_changed_id;
gulong dialog_file_activated_id;
gulong dialog_folder_changed_id;
gulong dialog_selection_changed_id;
gulong fs_volumes_changed_id;
gulong fs_bookmarks_changed_id;
gint icon_size;
guint8 n_special;
guint8 n_volumes;
guint8 n_shortcuts;
guint8 n_bookmarks;
guint8 has_bookmark_separator : 1;
guint8 has_current_folder_separator : 1;
guint8 has_current_folder : 1;
guint8 has_other_separator : 1;
/* Used for hiding/showing the dialog when the button is hidden */
guint8 active : 1;
/* Used to track whether we need to set a default current folder on ::map() */
guint8 folder_has_been_set : 1;
};
/* ************* *
* DnD Support *
* ************* */
enum
{
TEXT_PLAIN,
TEXT_URI_LIST
};
/* ********************* *
* Function Prototypes *
* ********************* */
/* GtkFileChooserIface Functions */
static void gtk_file_chooser_button_file_chooser_iface_init (GtkFileChooserIface *iface);
static gboolean gtk_file_chooser_button_add_shortcut_folder (GtkFileChooser *chooser,
const GtkFilePath *path,
GError **error);
static gboolean gtk_file_chooser_button_remove_shortcut_folder (GtkFileChooser *chooser,
const GtkFilePath *path,
GError **error);
/* GObject Functions */
static GObject *gtk_file_chooser_button_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gtk_file_chooser_button_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_file_chooser_button_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec);
static void gtk_file_chooser_button_finalize (GObject *object);
/* GtkObject Functions */
static void gtk_file_chooser_button_destroy (GtkObject *object);
/* GtkWidget Functions */
static void gtk_file_chooser_button_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *data,
guint info,
guint drag_time);
static void gtk_file_chooser_button_show_all (GtkWidget *widget);
static void gtk_file_chooser_button_hide_all (GtkWidget *widget);
static void gtk_file_chooser_button_show (GtkWidget *widget);
static void gtk_file_chooser_button_hide (GtkWidget *widget);
static void gtk_file_chooser_button_map (GtkWidget *widget);
static gboolean gtk_file_chooser_button_mnemonic_activate (GtkWidget *widget,
gboolean group_cycling);
static void gtk_file_chooser_button_style_set (GtkWidget *widget,
GtkStyle *old_style);
static void gtk_file_chooser_button_screen_changed (GtkWidget *widget,
GdkScreen *old_screen);
/* Utility Functions */
static GtkIconTheme *get_icon_theme (GtkWidget *widget);
static gchar *get_display_name_for_path (GtkFileSystem *fs,
const GtkFilePath *path);
static gint model_get_type_position (GtkFileChooserButton *button,
RowType row_type);
static void model_free_row_data (GtkFileChooserButton *button,
GtkTreeIter *iter);
static inline void model_add_special (GtkFileChooserButton *button);
static inline void model_add_other (GtkFileChooserButton *button);
static void model_add_volumes (GtkFileChooserButton *button,
GSList *volumes);
static void model_add_bookmarks (GtkFileChooserButton *button,
GSList *bookmarks);
static void model_update_current_folder (GtkFileChooserButton *button,
const GtkFilePath *path);
static void model_remove_rows (GtkFileChooserButton *button,
gint pos,
gint n_rows);
static gboolean filter_model_visible_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data);
static gboolean combo_box_row_separator_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data);
static void name_cell_data_func (GtkCellLayout *layout,
GtkCellRenderer *cell,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data);
static void open_dialog (GtkFileChooserButton *button);
static void update_combo_box (GtkFileChooserButton *button);
static void update_label_and_image (GtkFileChooserButton *button);
/* Child Object Callbacks */
static void fs_volumes_changed_cb (GtkFileSystem *fs,
gpointer user_data);
static void fs_bookmarks_changed_cb (GtkFileSystem *fs,
gpointer user_data);
static void combo_box_changed_cb (GtkComboBox *combo_box,
gpointer user_data);
static void button_clicked_cb (GtkButton *real_button,
gpointer user_data);
static void dialog_update_preview_cb (GtkFileChooser *dialog,
gpointer user_data);
static void dialog_selection_changed_cb (GtkFileChooser *dialog,
gpointer user_data);
static void dialog_file_activated_cb (GtkFileChooser *dialog,
gpointer user_data);
static void dialog_current_folder_changed_cb (GtkFileChooser *dialog,
gpointer user_data);
static void dialog_notify_cb (GObject *dialog,
GParamSpec *pspec,
gpointer user_data);
static gboolean dialog_delete_event_cb (GtkWidget *dialog,
GdkEvent *event,
gpointer user_data);
static void dialog_response_cb (GtkDialog *dialog,
gint response,
gpointer user_data);
/* ******************* *
* GType Declaration *
* ******************* */
G_DEFINE_TYPE_WITH_CODE (GtkFileChooserButton, gtk_file_chooser_button, GTK_TYPE_HBOX, { \
G_IMPLEMENT_INTERFACE (GTK_TYPE_FILE_CHOOSER, gtk_file_chooser_button_file_chooser_iface_init) \
});
/* ***************** *
* GType Functions *
* ***************** */
static void
gtk_file_chooser_button_class_init (GtkFileChooserButtonClass * class)
{
GObjectClass *gobject_class;
GtkObjectClass *gtkobject_class;
GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (class);
gtkobject_class = GTK_OBJECT_CLASS (class);
widget_class = GTK_WIDGET_CLASS (class);
gobject_class->constructor = gtk_file_chooser_button_constructor;
gobject_class->set_property = gtk_file_chooser_button_set_property;
gobject_class->get_property = gtk_file_chooser_button_get_property;
gobject_class->finalize = gtk_file_chooser_button_finalize;
gtkobject_class->destroy = gtk_file_chooser_button_destroy;
widget_class->drag_data_received = gtk_file_chooser_button_drag_data_received;
widget_class->show_all = gtk_file_chooser_button_show_all;
widget_class->hide_all = gtk_file_chooser_button_hide_all;
widget_class->show = gtk_file_chooser_button_show;
widget_class->hide = gtk_file_chooser_button_hide;
widget_class->map = gtk_file_chooser_button_map;
widget_class->style_set = gtk_file_chooser_button_style_set;
widget_class->screen_changed = gtk_file_chooser_button_screen_changed;
widget_class->mnemonic_activate = gtk_file_chooser_button_mnemonic_activate;
/**
* GtkFileChooserButton:dialog:
*
* Instance of the #GtkFileChooserDialog associated with the button.
*
* Since: 2.6
*/
g_object_class_install_property (gobject_class, PROP_DIALOG,
g_param_spec_object ("dialog",
P_("Dialog"),
P_("The file chooser dialog to use."),
GTK_TYPE_FILE_CHOOSER_DIALOG,
(GTK_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY)));
/**
* GtkFileChooserButton:title:
*
* Title to put on the #GtkFileChooserDialog associated with the button.
*
* Since: 2.6
*/
g_object_class_install_property (gobject_class, PROP_TITLE,
g_param_spec_string ("title",
P_("Title"),
P_("The title of the file chooser dialog."),
_(DEFAULT_TITLE),
GTK_PARAM_READWRITE));
/**
* GtkFileChooserButton:width-chars:
*
* The width of the entry and label inside the button, in characters.
*
* Since: 2.6
*/
g_object_class_install_property (gobject_class, PROP_WIDTH_CHARS,
g_param_spec_int ("width-chars",
P_("Width In Characters"),
P_("The desired width of the button widget, in characters."),
-1, G_MAXINT, -1,
GTK_PARAM_READWRITE));
_gtk_file_chooser_install_properties (gobject_class);
g_type_class_add_private (class, sizeof (GtkFileChooserButtonPrivate));
}
static void
gtk_file_chooser_button_init (GtkFileChooserButton *button)
{
GtkFileChooserButtonPrivate *priv;
GtkWidget *box, *image, *sep;
GtkTargetList *target_list;
priv = G_TYPE_INSTANCE_GET_PRIVATE (button, GTK_TYPE_FILE_CHOOSER_BUTTON,
GtkFileChooserButtonPrivate);
button->priv = priv;
priv->icon_size = FALLBACK_ICON_SIZE;
gtk_widget_push_composite_child ();
/* Button */
priv->button = gtk_button_new ();
g_signal_connect (priv->button, "clicked", G_CALLBACK (button_clicked_cb),
button);
gtk_container_add (GTK_CONTAINER (button), priv->button);
gtk_widget_show (priv->button);
box = gtk_hbox_new (FALSE, 4);
gtk_container_add (GTK_CONTAINER (priv->button), box);
gtk_widget_show (box);
priv->image = gtk_image_new ();
gtk_box_pack_start (GTK_BOX (box), priv->image, FALSE, FALSE, 0);
gtk_widget_show (priv->image);
priv->label = gtk_label_new (_(FALLBACK_DISPLAY_NAME));
gtk_label_set_ellipsize (GTK_LABEL (priv->label), PANGO_ELLIPSIZE_END);
gtk_misc_set_alignment (GTK_MISC (priv->label), 0.0, 0.5);
gtk_container_add (GTK_CONTAINER (box), priv->label);
gtk_widget_show (priv->label);
sep = gtk_vseparator_new ();
gtk_box_pack_start (GTK_BOX (box), sep, FALSE, FALSE, 0);
gtk_widget_show (sep);
image = gtk_image_new_from_stock (GTK_STOCK_OPEN,
GTK_ICON_SIZE_MENU);
gtk_box_pack_start (GTK_BOX (box), image, FALSE, FALSE, 0);
gtk_widget_show (image);
/* Combo Box */
/* Keep in sync with columns enum, line 88 */
priv->model =
GTK_TREE_MODEL (gtk_list_store_new (NUM_COLUMNS,
GDK_TYPE_PIXBUF, /* Icon */
G_TYPE_STRING, /* Display Name */
G_TYPE_CHAR, /* Row Type */
G_TYPE_POINTER /* Volume || Path */));
priv->combo_box = gtk_combo_box_new ();
priv->combo_box_changed_id =
g_signal_connect (priv->combo_box, "changed",
G_CALLBACK (combo_box_changed_cb), button);
gtk_container_add (GTK_CONTAINER (button), priv->combo_box);
priv->icon_cell = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (priv->combo_box),
priv->icon_cell, FALSE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (priv->combo_box),
priv->icon_cell, "pixbuf", ICON_COLUMN);
priv->name_cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (priv->combo_box),
priv->name_cell, TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (priv->combo_box),
priv->name_cell, "text", DISPLAY_NAME_COLUMN);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (priv->combo_box),
priv->name_cell, name_cell_data_func,
NULL, NULL);
gtk_widget_pop_composite_child ();
/* DnD */
gtk_drag_dest_set (GTK_WIDGET (button),
(GTK_DEST_DEFAULT_ALL),
NULL, 0,
GDK_ACTION_COPY);
target_list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_uri_targets (target_list, TEXT_URI_LIST);
gtk_target_list_add_text_targets (target_list, TEXT_PLAIN);
gtk_drag_dest_set_target_list (GTK_WIDGET (button), target_list);
gtk_target_list_unref (target_list);
}
/* ******************************* *
* GtkFileChooserIface Functions *
* ******************************* */
static void
gtk_file_chooser_button_file_chooser_iface_init (GtkFileChooserIface *iface)
{
_gtk_file_chooser_delegate_iface_init (iface);
iface->add_shortcut_folder = gtk_file_chooser_button_add_shortcut_folder;
iface->remove_shortcut_folder = gtk_file_chooser_button_remove_shortcut_folder;
}
static gboolean
gtk_file_chooser_button_add_shortcut_folder (GtkFileChooser *chooser,
const GtkFilePath *path,
GError **error)
{
GtkFileChooser *delegate;
gboolean retval;
delegate = g_object_get_qdata (G_OBJECT (chooser),
GTK_FILE_CHOOSER_DELEGATE_QUARK);
retval = _gtk_file_chooser_add_shortcut_folder (delegate, path, error);
if (retval)
{
GtkFileChooserButtonPrivate *priv;
GtkTreeIter iter;
gint pos;
GdkPixbuf *pixbuf;
gchar *display_name;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (chooser);
pos = model_get_type_position (GTK_FILE_CHOOSER_BUTTON (chooser),
ROW_TYPE_SHORTCUT);
pos += priv->n_shortcuts;
pixbuf = gtk_file_system_render_icon (priv->fs, path,
GTK_WIDGET (chooser),
priv->icon_size, NULL);
display_name = get_display_name_for_path (priv->fs, path);
gtk_list_store_insert (GTK_LIST_STORE (priv->model), &iter, pos);
gtk_list_store_set (GTK_LIST_STORE (priv->model), &iter,
ICON_COLUMN, pixbuf,
DISPLAY_NAME_COLUMN, display_name,
TYPE_COLUMN, ROW_TYPE_SHORTCUT,
DATA_COLUMN, gtk_file_path_copy (path),
-1);
priv->n_shortcuts++;
if (pixbuf)
g_object_unref (pixbuf);
g_free (display_name);
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
}
return retval;
}
static gboolean
gtk_file_chooser_button_remove_shortcut_folder (GtkFileChooser *chooser,
const GtkFilePath *path,
GError **error)
{
GtkFileChooser *delegate;
gboolean retval;
delegate = g_object_get_qdata (G_OBJECT (chooser),
GTK_FILE_CHOOSER_DELEGATE_QUARK);
retval = _gtk_file_chooser_remove_shortcut_folder (delegate, path, error);
if (retval)
{
GtkFileChooserButtonPrivate *priv;
GtkTreeIter iter;
gint pos;
gchar type;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (chooser);
pos = model_get_type_position (GTK_FILE_CHOOSER_BUTTON (chooser),
ROW_TYPE_SHORTCUT);
g_assert (gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, pos));
do
{
gpointer data;
gtk_tree_model_get (priv->model, &iter,
TYPE_COLUMN, &type,
DATA_COLUMN, &data,
-1);
if (type == ROW_TYPE_SHORTCUT &&
data &&
gtk_file_path_compare (data, path) == 0)
{
model_free_row_data (GTK_FILE_CHOOSER_BUTTON (chooser), &iter);
gtk_list_store_remove (GTK_LIST_STORE (priv->model), &iter);
priv->n_shortcuts--;
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
update_combo_box (GTK_FILE_CHOOSER_BUTTON (chooser));
break;
}
}
while (type == ROW_TYPE_SHORTCUT &&
gtk_tree_model_iter_next (priv->model, &iter));
}
return retval;
}
/* ******************* *
* GObject Functions *
* ******************* */
static GObject *
gtk_file_chooser_button_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GtkFileChooserButtonPrivate *priv;
GSList *list;
char *current_folder;
object = (*G_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->constructor) (type,
n_params,
params);
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
if (!priv->dialog)
{
if (priv->backend)
priv->dialog = gtk_file_chooser_dialog_new_with_backend (NULL, NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
priv->backend,
GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN,
GTK_RESPONSE_ACCEPT,
NULL);
else
priv->dialog = gtk_file_chooser_dialog_new (NULL, NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN,
GTK_RESPONSE_ACCEPT,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (priv->dialog),
GTK_RESPONSE_ACCEPT);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (priv->dialog),
GTK_RESPONSE_ACCEPT,
GTK_RESPONSE_CANCEL,
-1);
}
current_folder = gtk_file_chooser_get_current_folder_uri (GTK_FILE_CHOOSER (priv->dialog));
if (current_folder != NULL)
{
priv->folder_has_been_set = TRUE;
g_free (current_folder);
}
g_free (priv->backend);
priv->backend = NULL;
g_signal_connect (priv->dialog, "delete-event",
G_CALLBACK (dialog_delete_event_cb), object);
g_signal_connect (priv->dialog, "response",
G_CALLBACK (dialog_response_cb), object);
/* This is used, instead of the standard delegate, to ensure that signals are only
* delegated when the OK button is pressed. */
g_object_set_qdata (object, GTK_FILE_CHOOSER_DELEGATE_QUARK, priv->dialog);
priv->dialog_folder_changed_id =
g_signal_connect (priv->dialog, "current-folder-changed",
G_CALLBACK (dialog_current_folder_changed_cb), object);
priv->dialog_file_activated_id =
g_signal_connect (priv->dialog, "file-activated",
G_CALLBACK (dialog_file_activated_cb), object);
priv->dialog_selection_changed_id =
g_signal_connect (priv->dialog, "selection-changed",
G_CALLBACK (dialog_selection_changed_cb), object);
g_signal_connect (priv->dialog, "update-preview",
G_CALLBACK (dialog_update_preview_cb), object);
g_signal_connect (priv->dialog, "notify",
G_CALLBACK (dialog_notify_cb), object);
g_object_add_weak_pointer (G_OBJECT (priv->dialog),
(gpointer *) (&priv->dialog));
priv->fs =
g_object_ref (_gtk_file_chooser_get_file_system (GTK_FILE_CHOOSER (priv->dialog)));
model_add_special (GTK_FILE_CHOOSER_BUTTON (object));
list = gtk_file_system_list_volumes (priv->fs);
model_add_volumes (GTK_FILE_CHOOSER_BUTTON (object), list);
g_slist_free (list);
list = gtk_file_system_list_bookmarks (priv->fs);
model_add_bookmarks (GTK_FILE_CHOOSER_BUTTON (object), list);
gtk_file_paths_free (list);
model_add_other (GTK_FILE_CHOOSER_BUTTON (object));
priv->filter_model = gtk_tree_model_filter_new (priv->model, NULL);
gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (priv->filter_model),
filter_model_visible_func,
object, NULL);
gtk_combo_box_set_model (GTK_COMBO_BOX (priv->combo_box), priv->filter_model);
gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (priv->combo_box),
combo_box_row_separator_func,
NULL, NULL);
/* set up the action for a user-provided dialog, this also updates
* the label, image and combobox
*/
g_object_set (object,
"action", gtk_file_chooser_get_action (GTK_FILE_CHOOSER (priv->dialog)),
NULL);
priv->fs_volumes_changed_id =
g_signal_connect (priv->fs, "volumes-changed",
G_CALLBACK (fs_volumes_changed_cb), object);
priv->fs_bookmarks_changed_id =
g_signal_connect (priv->fs, "bookmarks-changed",
G_CALLBACK (fs_bookmarks_changed_cb), object);
return object;
}
static void
gtk_file_chooser_button_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
switch (param_id)
{
case PROP_DIALOG:
/* Construct-only */
priv->dialog = g_value_get_object (value);
break;
case PROP_WIDTH_CHARS:
gtk_file_chooser_button_set_width_chars (GTK_FILE_CHOOSER_BUTTON (object),
g_value_get_int (value));
break;
case GTK_FILE_CHOOSER_PROP_ACTION:
switch (g_value_get_enum (value))
{
case GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER:
case GTK_FILE_CHOOSER_ACTION_SAVE:
{
GEnumClass *eclass;
GEnumValue *eval;
eclass = g_type_class_peek (GTK_TYPE_FILE_CHOOSER_ACTION);
eval = g_enum_get_value (eclass, g_value_get_enum (value));
g_warning ("%s: Choosers of type `%s' do not support `%s'.",
G_STRFUNC, G_OBJECT_TYPE_NAME (object), eval->value_name);
g_value_set_enum ((GValue *) value, GTK_FILE_CHOOSER_ACTION_OPEN);
}
break;
}
g_object_set_property (G_OBJECT (priv->dialog), pspec->name, value);
update_label_and_image (GTK_FILE_CHOOSER_BUTTON (object));
update_combo_box (GTK_FILE_CHOOSER_BUTTON (object));
switch (g_value_get_enum (value))
{
case GTK_FILE_CHOOSER_ACTION_OPEN:
gtk_widget_hide (priv->combo_box);
gtk_widget_show (priv->button);
break;
case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
gtk_widget_hide (priv->button);
gtk_widget_show (priv->combo_box);
break;
default:
g_assert_not_reached ();
break;
}
break;
case PROP_TITLE:
case GTK_FILE_CHOOSER_PROP_FILTER:
case GTK_FILE_CHOOSER_PROP_LOCAL_ONLY:
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET:
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE:
case GTK_FILE_CHOOSER_PROP_USE_PREVIEW_LABEL:
case GTK_FILE_CHOOSER_PROP_EXTRA_WIDGET:
case GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN:
case GTK_FILE_CHOOSER_PROP_DO_OVERWRITE_CONFIRMATION:
g_object_set_property (G_OBJECT (priv->dialog), pspec->name, value);
break;
case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
/* Construct-only */
priv->backend = g_value_dup_string (value);
break;
case GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE:
g_warning ("%s: Choosers of type `%s` do not support selecting multiple files.",
G_STRFUNC, G_OBJECT_TYPE_NAME (object));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
gtk_file_chooser_button_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
switch (param_id)
{
case PROP_WIDTH_CHARS:
g_value_set_int (value,
gtk_label_get_width_chars (GTK_LABEL (priv->label)));
break;
case PROP_TITLE:
case GTK_FILE_CHOOSER_PROP_ACTION:
case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
case GTK_FILE_CHOOSER_PROP_FILTER:
case GTK_FILE_CHOOSER_PROP_LOCAL_ONLY:
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET:
case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE:
case GTK_FILE_CHOOSER_PROP_USE_PREVIEW_LABEL:
case GTK_FILE_CHOOSER_PROP_EXTRA_WIDGET:
case GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE:
case GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN:
case GTK_FILE_CHOOSER_PROP_DO_OVERWRITE_CONFIRMATION:
g_object_get_property (G_OBJECT (priv->dialog), pspec->name, value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
gtk_file_chooser_button_finalize (GObject *object)
{
GtkFileChooserButtonPrivate *priv;
GtkTreeIter iter;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
if (priv->old_path)
gtk_file_path_free (priv->old_path);
g_assert (gtk_tree_model_get_iter_first (priv->model, &iter));
do
{
model_free_row_data (GTK_FILE_CHOOSER_BUTTON (object), &iter);
}
while (gtk_tree_model_iter_next (priv->model, &iter));
g_object_unref (priv->model);
g_object_unref (priv->filter_model);
g_signal_handler_disconnect (priv->fs, priv->fs_volumes_changed_id);
g_signal_handler_disconnect (priv->fs, priv->fs_bookmarks_changed_id);
g_object_unref (priv->fs);
if (G_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->finalize != NULL)
(*G_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->finalize) (object);
}
/* ********************* *
* GtkObject Functions *
* ********************* */
static void
gtk_file_chooser_button_destroy (GtkObject *object)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
if (priv->dialog != NULL)
gtk_widget_destroy (priv->dialog);
if (GTK_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->destroy != NULL)
(*GTK_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->destroy) (object);
}
/* ********************* *
* GtkWidget Functions *
* ********************* */
static void
gtk_file_chooser_button_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *data,
guint info,
guint drag_time)
{
GtkFileChooserButtonPrivate *priv;
GtkFilePath *path;
gchar *text;
if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->drag_data_received != NULL)
(*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->drag_data_received) (widget,
context,
x, y,
data, info,
drag_time);
if (widget == NULL || context == NULL || data == NULL || data->length < 0)
return;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
switch (info)
{
case TEXT_URI_LIST:
{
gchar **uris;
GtkFilePath *base_path;
guint i;
gboolean selected;
uris = gtk_selection_data_get_uris (data);
if (uris == NULL)
break;
selected = FALSE;
for (i = 0; !selected && uris[i] != NULL; i++)
{
path = gtk_file_system_uri_to_path (priv->fs, uris[i]);
base_path = NULL;
if (path != NULL &&
gtk_file_system_get_parent (priv->fs, path, &base_path, NULL))
{
GtkFileFolder *folder;
GtkFileInfo *info;
folder = gtk_file_system_get_folder (priv->fs, base_path,
GTK_FILE_INFO_IS_FOLDER,
NULL);
info = gtk_file_folder_get_info (folder, path, NULL);
if (info != NULL)
{
GtkFileChooserAction action;
g_object_get (priv->dialog, "action", &action, NULL);
selected =
(((action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER &&
gtk_file_info_get_is_folder (info)) ||
(action == GTK_FILE_CHOOSER_ACTION_OPEN &&
!gtk_file_info_get_is_folder (info))) &&
_gtk_file_chooser_select_path (GTK_FILE_CHOOSER (priv->dialog),
path, NULL));
gtk_file_info_free (info);
}
else
selected = FALSE;
gtk_file_path_free (base_path);
}
gtk_file_path_free (path);
}
g_strfreev (uris);
}
break;
case TEXT_PLAIN:
text = gtk_selection_data_get_text (data);
path = gtk_file_path_new_steal (text);
_gtk_file_chooser_select_path (GTK_FILE_CHOOSER (priv->dialog), path,
NULL);
gtk_file_path_free (path);
break;
default:
break;
}
gtk_drag_finish (context, TRUE, FALSE, drag_time);
}
static void
gtk_file_chooser_button_show_all (GtkWidget *widget)
{
gtk_widget_show (widget);
}
static void
gtk_file_chooser_button_hide_all (GtkWidget *widget)
{
gtk_widget_hide (widget);
}
static void
gtk_file_chooser_button_show (GtkWidget *widget)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->show)
(*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->show) (widget);
if (priv->active)
open_dialog (GTK_FILE_CHOOSER_BUTTON (widget));
}
static void
gtk_file_chooser_button_hide (GtkWidget *widget)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
gtk_widget_hide (priv->dialog);
if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->hide)
(*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->hide) (widget);
}
static void
gtk_file_chooser_button_map (GtkWidget *widget)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
if (!priv->folder_has_been_set)
{
char *current_working_dir;
current_working_dir = g_get_current_dir ();
gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (widget), current_working_dir);
g_free (current_working_dir);
priv->folder_has_been_set = TRUE;
}
if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->map)
(*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->map) (widget);
}
static gboolean
gtk_file_chooser_button_mnemonic_activate (GtkWidget *widget,
gboolean group_cycling)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
switch (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (priv->dialog)))
{
case GTK_FILE_CHOOSER_ACTION_OPEN:
gtk_widget_grab_focus (priv->button);
break;
case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
return gtk_widget_mnemonic_activate (priv->combo_box, group_cycling);
break;
default:
g_assert_not_reached ();
break;
}
return TRUE;
}
/* Changes the icons wherever it is needed */
static void
change_icon_theme (GtkFileChooserButton *button)
{
GtkFileChooserButtonPrivate *priv;
GtkSettings *settings;
GtkIconTheme *theme;
GtkTreeIter iter;
gint width, height;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (button)));
if (gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU,
&width, &height))
priv->icon_size = MAX (width, height);
else
priv->icon_size = FALLBACK_ICON_SIZE;
update_label_and_image (button);
g_assert (gtk_tree_model_get_iter_first (priv->model, &iter));
theme = get_icon_theme (GTK_WIDGET (button));
do
{
GdkPixbuf *pixbuf;
gchar type;
gpointer data;
type = ROW_TYPE_INVALID;
gtk_tree_model_get (priv->model, &iter,
TYPE_COLUMN, &type,
DATA_COLUMN, &data,
-1);
switch (type)
{
case ROW_TYPE_SPECIAL:
case ROW_TYPE_SHORTCUT:
case ROW_TYPE_BOOKMARK:
case ROW_TYPE_CURRENT_FOLDER:
if (data)
pixbuf = gtk_file_system_render_icon (priv->fs, data,
GTK_WIDGET (button),
priv->icon_size, NULL);
else
pixbuf = gtk_icon_theme_load_icon (theme, FALLBACK_ICON_NAME,
priv->icon_size, 0, NULL);
break;
case ROW_TYPE_VOLUME:
if (data)
pixbuf = gtk_file_system_volume_render_icon (priv->fs, data,
GTK_WIDGET (button),
priv->icon_size,
NULL);
else
pixbuf = gtk_icon_theme_load_icon (theme, FALLBACK_ICON_NAME,
priv->icon_size, 0, NULL);
break;
default:
continue;
break;
}
if (pixbuf)
width = MAX (width, gdk_pixbuf_get_width (pixbuf));
gtk_list_store_set (GTK_LIST_STORE (priv->model), &iter,
ICON_COLUMN, pixbuf,
-1);
if (pixbuf)
g_object_unref (pixbuf);
}
while (gtk_tree_model_iter_next (priv->model, &iter));
g_object_set (button->priv->icon_cell,
"width", width,
NULL);
}
static void
gtk_file_chooser_button_style_set (GtkWidget *widget,
GtkStyle *old_style)
{
if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->style_set)
(*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->style_set) (widget,
old_style);
if (gtk_widget_has_screen (widget))
change_icon_theme (GTK_FILE_CHOOSER_BUTTON (widget));
}
static void
gtk_file_chooser_button_screen_changed (GtkWidget *widget,
GdkScreen *old_screen)
{
if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->screen_changed)
(*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->screen_changed) (widget,
old_screen);
change_icon_theme (GTK_FILE_CHOOSER_BUTTON (widget));
}
/* ******************* *
* Utility Functions *
* ******************* */
/* General */
static GtkIconTheme *
get_icon_theme (GtkWidget *widget)
{
if (gtk_widget_has_screen (widget))
return gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
return gtk_icon_theme_get_default ();
}
static gchar *
get_display_name_for_path (GtkFileSystem *fs,
const GtkFilePath *path)
{
GtkFilePath *parent_path;
GtkFileFolder *folder;
gchar *retval;
parent_path = NULL;
retval = NULL;
gtk_file_system_get_parent (fs, path, &parent_path, NULL);
folder = gtk_file_system_get_folder (fs, parent_path ? parent_path : path,
GTK_FILE_INFO_DISPLAY_NAME, NULL);
if (folder)
{
GtkFileInfo *info;
info = gtk_file_folder_get_info (folder, path, NULL);
g_object_unref (folder);
if (info)
{
retval = g_strdup (gtk_file_info_get_display_name (info));
gtk_file_info_free (info);
}
}
if (parent_path)
gtk_file_path_free (parent_path);
if (!retval)
retval = g_strdup (_(FALLBACK_DISPLAY_NAME));
return retval;
}
/* Shortcuts Model */
static gint
model_get_type_position (GtkFileChooserButton *button,
RowType row_type)
{
gint retval = 0;
if (row_type == ROW_TYPE_SPECIAL)
return retval;
retval += button->priv->n_special;
if (row_type == ROW_TYPE_VOLUME)
return retval;
retval += button->priv->n_volumes;
if (row_type == ROW_TYPE_SHORTCUT)
return retval;
retval += button->priv->n_shortcuts;
if (row_type == ROW_TYPE_BOOKMARK_SEPARATOR)
return retval;
retval += button->priv->has_bookmark_separator;
if (row_type == ROW_TYPE_BOOKMARK)
return retval;
retval += button->priv->n_bookmarks;
if (row_type == ROW_TYPE_CURRENT_FOLDER_SEPARATOR)
return retval;
retval += button->priv->has_current_folder_separator;
if (row_type == ROW_TYPE_CURRENT_FOLDER)
return retval;
retval += button->priv->has_current_folder;
if (row_type == ROW_TYPE_OTHER_SEPARATOR)
return retval;
retval += button->priv->has_other_separator;
if (row_type == ROW_TYPE_OTHER)
return retval;
g_assert_not_reached ();
return -1;
}
static void
model_free_row_data (GtkFileChooserButton *button,
GtkTreeIter *iter)
{
gchar type;
gpointer data;
gtk_tree_model_get (button->priv->model, iter,
TYPE_COLUMN, &type,
DATA_COLUMN, &data,
-1);
switch (type)
{
case ROW_TYPE_SPECIAL:
case ROW_TYPE_SHORTCUT:
case ROW_TYPE_BOOKMARK:
case ROW_TYPE_CURRENT_FOLDER:
gtk_file_path_free (data);
break;
case ROW_TYPE_VOLUME:
gtk_file_system_volume_free (button->priv->fs, data);
break;
default:
break;
}
}
static inline void
model_add_special (GtkFileChooserButton *button)
{
const gchar *homedir;
gchar *desktopdir = NULL;
GtkListStore *store;
GtkTreeIter iter;
GtkFilePath *path;
GdkPixbuf *pixbuf;
gint pos;
store = GTK_LIST_STORE (button->priv->model);
pos = model_get_type_position (button, ROW_TYPE_SPECIAL);
homedir = g_get_home_dir ();
if (homedir)
{
path = gtk_file_system_filename_to_path (button->priv->fs, homedir);
pixbuf = gtk_file_system_render_icon (button->priv->fs, path,
GTK_WIDGET (button),
button->priv->icon_size, NULL);
gtk_list_store_insert (store, &iter, pos);
pos++;
gtk_list_store_set (store, &iter,
ICON_COLUMN, pixbuf,
DISPLAY_NAME_COLUMN, _(HOME_DISPLAY_NAME),
TYPE_COLUMN, ROW_TYPE_SPECIAL,
DATA_COLUMN, path,
-1);
if (pixbuf)
g_object_unref (pixbuf);
button->priv->n_special++;
#ifndef G_OS_WIN32
desktopdir = g_build_filename (homedir, DESKTOP_DISPLAY_NAME, NULL);
#endif
}
#ifdef G_OS_WIN32
desktopdir = _gtk_file_system_win32_get_desktop ();
#endif
if (desktopdir)
{
path = gtk_file_system_filename_to_path (button->priv->fs, desktopdir);
g_free (desktopdir);
pixbuf = gtk_file_system_render_icon (button->priv->fs, path,
GTK_WIDGET (button),
button->priv->icon_size, NULL);
gtk_list_store_insert (store, &iter, pos);
pos++;
gtk_list_store_set (store, &iter,
TYPE_COLUMN, ROW_TYPE_SPECIAL,
ICON_COLUMN, pixbuf,
DISPLAY_NAME_COLUMN, _(DESKTOP_DISPLAY_NAME),
DATA_COLUMN, path,
-1);
if (pixbuf)
g_object_unref (pixbuf);
button->priv->n_special++;
}
}
static void
model_add_volumes (GtkFileChooserButton *button,
GSList *volumes)
{
GtkListStore *store;
gint pos;
if (!volumes)
return;
store = GTK_LIST_STORE (button->priv->model);
pos = model_get_type_position (button, ROW_TYPE_VOLUME);
do
{
GtkTreeIter iter;
GdkPixbuf *pixbuf;
gchar *display_name;
pixbuf = gtk_file_system_volume_render_icon (button->priv->fs,
volumes->data,
GTK_WIDGET (button),
button->priv->icon_size,
NULL);
display_name = gtk_file_system_volume_get_display_name (button->priv->fs,
volumes->data);
gtk_list_store_insert (store, &iter, pos);
gtk_list_store_set (store, &iter,
ICON_COLUMN, pixbuf,
DISPLAY_NAME_COLUMN, display_name,
TYPE_COLUMN, ROW_TYPE_VOLUME,
DATA_COLUMN, volumes->data,
-1);
if (pixbuf)
g_object_unref (pixbuf);
g_free (display_name);
button->priv->n_volumes++;
pos++;
volumes = volumes->next;
}
while (volumes);
}
static void
model_add_bookmarks (GtkFileChooserButton *button,
GSList *bookmarks)
{
GtkListStore *store;
GtkTreeIter iter;
gint pos;
if (!bookmarks)
return;
store = GTK_LIST_STORE (button->priv->model);
pos = model_get_type_position (button, ROW_TYPE_BOOKMARK_SEPARATOR);
if (!button->priv->has_bookmark_separator)
{
gtk_list_store_insert (store, &iter, pos);
gtk_list_store_set (store, &iter,
ICON_COLUMN, NULL,
DISPLAY_NAME_COLUMN, NULL,
TYPE_COLUMN, ROW_TYPE_BOOKMARK_SEPARATOR,
DATA_COLUMN, NULL,
-1);
button->priv->has_bookmark_separator = TRUE;
}
do
{
GdkPixbuf *pixbuf;
gchar *display_name;
pos++;
pixbuf = gtk_file_system_render_icon (button->priv->fs, bookmarks->data,
GTK_WIDGET (button),
button->priv->icon_size, NULL);
display_name = get_display_name_for_path (button->priv->fs,
bookmarks->data);
gtk_list_store_insert (store, &iter, pos);
gtk_list_store_set (store, &iter,
ICON_COLUMN, pixbuf,
DISPLAY_NAME_COLUMN, display_name,
TYPE_COLUMN, ROW_TYPE_BOOKMARK,
DATA_COLUMN, gtk_file_path_copy (bookmarks->data),
-1);
if (pixbuf)
g_object_unref (pixbuf);
g_free (display_name);
button->priv->n_bookmarks++;
bookmarks = bookmarks->next;
}
while (bookmarks);
}
static void
model_update_current_folder (GtkFileChooserButton *button,
const GtkFilePath *path)
{
GtkListStore *store;
GtkTreeIter iter;
gint pos;
GdkPixbuf *pixbuf;
gchar *display_name;
if (!path)
return;
store = GTK_LIST_STORE (button->priv->model);
if (!button->priv->has_current_folder_separator)
{
pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER_SEPARATOR);
gtk_list_store_insert (store, &iter, pos);
gtk_list_store_set (store, &iter,
ICON_COLUMN, NULL,
DISPLAY_NAME_COLUMN, NULL,
TYPE_COLUMN, ROW_TYPE_CURRENT_FOLDER_SEPARATOR,
DATA_COLUMN, NULL,
-1);
button->priv->has_current_folder_separator = TRUE;
}
pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER);
if (!button->priv->has_current_folder)
{
gtk_list_store_insert (store, &iter, pos);
button->priv->has_current_folder = TRUE;
}
else
{
gtk_tree_model_iter_nth_child (button->priv->model, &iter, NULL, pos);
model_free_row_data (button, &iter);
}
pixbuf = gtk_file_system_render_icon (button->priv->fs, path,
GTK_WIDGET (button),
button->priv->icon_size, NULL);
display_name = get_display_name_for_path (button->priv->fs, path);
gtk_list_store_set (store, &iter,
ICON_COLUMN, pixbuf,
DISPLAY_NAME_COLUMN, display_name,
TYPE_COLUMN, ROW_TYPE_CURRENT_FOLDER,
DATA_COLUMN, gtk_file_path_copy (path),
-1);
if (pixbuf)
g_object_unref (pixbuf);
g_free (display_name);
}
static inline void
model_add_other (GtkFileChooserButton *button)
{
GtkListStore *store;
GtkTreeIter iter;
gint pos;
store = GTK_LIST_STORE (button->priv->model);
pos = model_get_type_position (button, ROW_TYPE_OTHER_SEPARATOR);
gtk_list_store_insert (store, &iter, pos);
gtk_list_store_set (store, &iter,
ICON_COLUMN, NULL,
DISPLAY_NAME_COLUMN, NULL,
TYPE_COLUMN, ROW_TYPE_OTHER_SEPARATOR,
DATA_COLUMN, NULL,
-1);
button->priv->has_other_separator = TRUE;
pos++;
gtk_list_store_insert (store, &iter, pos);
gtk_list_store_set (store, &iter,
ICON_COLUMN, NULL,
DISPLAY_NAME_COLUMN, _("Other..."),
TYPE_COLUMN, ROW_TYPE_OTHER,
DATA_COLUMN, NULL,
-1);
}
static void
model_remove_rows (GtkFileChooserButton *button,
gint pos,
gint n_rows)
{
GtkListStore *store;
if (!n_rows)
return;
store = GTK_LIST_STORE (button->priv->model);
do
{
GtkTreeIter iter;
if (!gtk_tree_model_iter_nth_child (button->priv->model, &iter, NULL, pos))
g_assert_not_reached ();
model_free_row_data (button, &iter);
gtk_list_store_remove (store, &iter);
n_rows--;
}
while (n_rows);
}
/* Filter Model */
static inline gboolean
test_if_path_is_visible (GtkFileSystem *fs,
const GtkFilePath *path,
gboolean local_only)
{
GtkFilePath *parent_path;
GtkFileFolder *folder;
GtkFileInfo *info;
if (!path)
return FALSE;
if (local_only && !gtk_file_system_path_is_local (fs, path))
return FALSE;
parent_path = NULL;
gtk_file_system_get_parent (fs, path, &parent_path, NULL);
folder = gtk_file_system_get_folder (fs, parent_path ? parent_path : path,
GTK_FILE_INFO_IS_FOLDER, NULL);
gtk_file_path_free (parent_path);
if (folder)
{
info = gtk_file_folder_get_info (folder, path, NULL);
g_object_unref (folder);
}
else
info = NULL;
if (!info)
return FALSE;
else if (!gtk_file_info_get_is_folder (info))
{
gtk_file_info_free (info);
return FALSE;
}
gtk_file_info_free (info);
return TRUE;
}
static gboolean
filter_model_visible_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data)
{
GtkFileChooserButtonPrivate *priv;
gchar type;
gpointer data;
gboolean local_only, retval;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
type = ROW_TYPE_INVALID;
data = NULL;
local_only = gtk_file_chooser_get_local_only (GTK_FILE_CHOOSER (priv->dialog));
gtk_tree_model_get (model, iter,
TYPE_COLUMN, &type,
DATA_COLUMN, &data,
-1);
switch (type)
{
case ROW_TYPE_CURRENT_FOLDER:
retval = TRUE;
break;
case ROW_TYPE_SPECIAL:
case ROW_TYPE_SHORTCUT:
case ROW_TYPE_BOOKMARK:
retval = test_if_path_is_visible (priv->fs, data, local_only);
break;
case ROW_TYPE_VOLUME:
{
GtkFilePath *base_path;
base_path = gtk_file_system_volume_get_base_path (priv->fs, data);
if (base_path)
{
retval = (!local_only ||
gtk_file_system_path_is_local (priv->fs, base_path));
gtk_file_path_free (base_path);
}
else
retval = FALSE;
}
break;
default:
retval = TRUE;
break;
}
return retval;
}
/* Combo Box */
static void
name_cell_data_func (GtkCellLayout *layout,
GtkCellRenderer *cell,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data)
{
gchar type;
type = 0;
gtk_tree_model_get (model, iter,
TYPE_COLUMN, &type,
-1);
if (type == ROW_TYPE_CURRENT_FOLDER)
g_object_set (cell, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
else
g_object_set (cell, "ellipsize", PANGO_ELLIPSIZE_NONE, NULL);
}
static gboolean
combo_box_row_separator_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data)
{
gchar type = ROW_TYPE_INVALID;
gtk_tree_model_get (model, iter, TYPE_COLUMN, &type, -1);
return (type == ROW_TYPE_BOOKMARK_SEPARATOR ||
type == ROW_TYPE_CURRENT_FOLDER_SEPARATOR ||
type == ROW_TYPE_OTHER_SEPARATOR);
}
static void
update_combo_box (GtkFileChooserButton *button)
{
GtkFileChooserButtonPrivate *priv;
GSList *paths;
GtkTreeIter iter;
gboolean row_found;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
g_assert (gtk_tree_model_get_iter_first (priv->filter_model, &iter));
paths = _gtk_file_chooser_get_paths (GTK_FILE_CHOOSER (priv->dialog));
row_found = FALSE;
do
{
gchar type;
gpointer data;
type = ROW_TYPE_INVALID;
data = NULL;
gtk_tree_model_get (priv->filter_model, &iter,
TYPE_COLUMN, &type,
DATA_COLUMN, &data,
-1);
switch (type)
{
case ROW_TYPE_SPECIAL:
case ROW_TYPE_SHORTCUT:
case ROW_TYPE_BOOKMARK:
case ROW_TYPE_CURRENT_FOLDER:
row_found = (paths &&
paths->data &&
gtk_file_path_compare (data, paths->data) == 0);
break;
case ROW_TYPE_VOLUME:
{
GtkFilePath *base_path;
base_path = gtk_file_system_volume_get_base_path (priv->fs, data);
row_found = (paths &&
paths->data &&
gtk_file_path_compare (base_path, paths->data) == 0);
gtk_file_path_free (base_path);
}
break;
default:
row_found = FALSE;
break;
}
if (row_found)
{
g_signal_handler_block (priv->combo_box, priv->combo_box_changed_id);
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->combo_box),
&iter);
g_signal_handler_unblock (priv->combo_box,
priv->combo_box_changed_id);
}
}
while (!row_found && gtk_tree_model_iter_next (priv->filter_model, &iter));
/* If it hasn't been found already, update & select the current-folder row. */
if (!row_found && paths && paths->data)
{
GtkTreeIter filter_iter;
gint pos;
model_update_current_folder (button, paths->data);
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER);
g_assert (gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, pos));
gtk_tree_model_filter_convert_child_iter_to_iter (GTK_TREE_MODEL_FILTER (priv->filter_model),
&filter_iter, &iter);
g_signal_handler_block (priv->combo_box, priv->combo_box_changed_id);
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->combo_box), &filter_iter);
g_signal_handler_unblock (priv->combo_box, priv->combo_box_changed_id);
}
gtk_file_paths_free (paths);
}
/* Button */
static void
update_label_and_image (GtkFileChooserButton *button)
{
GtkFileChooserButtonPrivate *priv;
GdkPixbuf *pixbuf;
gchar *label_text;
GSList *paths;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
paths = _gtk_file_chooser_get_paths (GTK_FILE_CHOOSER (button->priv->dialog));
label_text = NULL;
pixbuf = NULL;
if (paths)
{
GtkFilePath *path, *parent_path;
GtkFileSystemVolume *volume;
GtkFileFolder *folder;
path = paths->data;
volume = gtk_file_system_get_volume_for_path (priv->fs, path);
if (volume)
{
GtkFilePath *base_path;
base_path = gtk_file_system_volume_get_base_path (priv->fs, volume);
if (base_path && gtk_file_path_compare (base_path, path) == 0)
{
label_text = gtk_file_system_volume_get_display_name (priv->fs,
volume);
pixbuf = gtk_file_system_volume_render_icon (priv->fs, volume,
GTK_WIDGET (button),
priv->icon_size,
NULL);
}
if (base_path)
gtk_file_path_free (base_path);
gtk_file_system_volume_free (priv->fs, volume);
if (label_text)
goto out;
}
if (!pixbuf)
pixbuf = gtk_file_system_render_icon (priv->fs, path,
GTK_WIDGET (button),
priv->icon_size, NULL);
parent_path = NULL;
gtk_file_system_get_parent (priv->fs, path, &parent_path, NULL);
folder = gtk_file_system_get_folder (priv->fs,
parent_path ? parent_path : path,
GTK_FILE_INFO_DISPLAY_NAME, NULL);
gtk_file_path_free (parent_path);
if (folder)
{
GtkFileInfo *info;
info = gtk_file_folder_get_info (folder, path, NULL);
g_object_unref (folder);
if (info)
{
label_text = g_strdup (gtk_file_info_get_display_name (info));
gtk_file_info_free (info);
}
}
out:
gtk_file_paths_free (paths);
}
if (label_text)
{
gtk_label_set_text (GTK_LABEL (priv->label), label_text);
g_free (label_text);
}
else
gtk_label_set_text (GTK_LABEL (priv->label), _(FALLBACK_DISPLAY_NAME));
if (!pixbuf)
pixbuf = gtk_icon_theme_load_icon (get_icon_theme (GTK_WIDGET (button)),
FALLBACK_ICON_NAME,
priv->icon_size, 0, NULL);
gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), pixbuf);
if (pixbuf)
g_object_unref (pixbuf);
}
/* ************************ *
* Child Object Callbacks *
* ************************ */
/* File System */
static void
fs_volumes_changed_cb (GtkFileSystem *fs,
gpointer user_data)
{
GtkFileChooserButtonPrivate *priv;
GSList *volumes;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
model_remove_rows (user_data,
model_get_type_position (user_data, ROW_TYPE_VOLUME),
priv->n_volumes);
priv->n_volumes = 0;
volumes = gtk_file_system_list_volumes (fs);
model_add_volumes (user_data, volumes);
g_slist_free (volumes);
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
update_label_and_image (user_data);
update_combo_box (user_data);
}
static void
fs_bookmarks_changed_cb (GtkFileSystem *fs,
gpointer user_data)
{
GtkFileChooserButtonPrivate *priv;
GSList *bookmarks;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
bookmarks = gtk_file_system_list_bookmarks (fs);
if (!bookmarks)
{
model_remove_rows (user_data,
model_get_type_position (user_data,
ROW_TYPE_BOOKMARK_SEPARATOR),
(priv->n_bookmarks + priv->has_bookmark_separator));
priv->has_bookmark_separator = FALSE;
}
else
model_remove_rows (user_data,
model_get_type_position (user_data, ROW_TYPE_BOOKMARK),
priv->n_bookmarks);
priv->n_bookmarks = 0;
model_add_bookmarks (user_data, bookmarks);
gtk_file_paths_free (bookmarks);
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
update_label_and_image (user_data);
update_combo_box (user_data);
}
/* Dialog */
static void
open_dialog (GtkFileChooserButton *button)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
/* Setup the dialog parent to be chooser button's toplevel, and be modal
as needed. */
if (!GTK_WIDGET_VISIBLE (priv->dialog))
{
GtkWidget *toplevel;
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (button));
if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
{
if (GTK_WINDOW (toplevel) != gtk_window_get_transient_for (GTK_WINDOW (priv->dialog)))
gtk_window_set_transient_for (GTK_WINDOW (priv->dialog),
GTK_WINDOW (toplevel));
gtk_window_set_modal (GTK_WINDOW (priv->dialog),
gtk_window_get_modal (GTK_WINDOW (toplevel)));
}
}
if (!priv->active)
{
GSList *paths;
g_signal_handler_block (priv->dialog,
priv->dialog_folder_changed_id);
g_signal_handler_block (priv->dialog,
priv->dialog_file_activated_id);
g_signal_handler_block (priv->dialog,
priv->dialog_selection_changed_id);
paths = _gtk_file_chooser_get_paths (GTK_FILE_CHOOSER (priv->dialog));
if (paths)
{
if (paths->data)
priv->old_path = gtk_file_path_copy (paths->data);
gtk_file_paths_free (paths);
}
priv->active = TRUE;
}
gtk_widget_set_sensitive (priv->combo_box, FALSE);
gtk_window_present (GTK_WINDOW (priv->dialog));
}
/* Combo Box */
static void
combo_box_changed_cb (GtkComboBox *combo_box,
gpointer user_data)
{
GtkTreeIter iter;
if (gtk_combo_box_get_active_iter (combo_box, &iter))
{
GtkFileChooserButtonPrivate *priv;
gchar type;
gpointer data;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
type = ROW_TYPE_INVALID;
data = NULL;
gtk_tree_model_get (priv->filter_model, &iter,
TYPE_COLUMN, &type,
DATA_COLUMN, &data,
-1);
switch (type)
{
case ROW_TYPE_SPECIAL:
case ROW_TYPE_SHORTCUT:
case ROW_TYPE_BOOKMARK:
case ROW_TYPE_CURRENT_FOLDER:
gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (priv->dialog));
if (data)
_gtk_file_chooser_set_current_folder_path (GTK_FILE_CHOOSER (priv->dialog),
data, NULL);
break;
case ROW_TYPE_VOLUME:
{
GtkFilePath *base_path;
gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (priv->dialog));
base_path = gtk_file_system_volume_get_base_path (priv->fs, data);
if (base_path)
{
_gtk_file_chooser_set_current_folder_path (GTK_FILE_CHOOSER (priv->dialog),
base_path, NULL);
gtk_file_path_free (base_path);
}
}
break;
case ROW_TYPE_OTHER:
open_dialog (user_data);
break;
default:
break;
}
}
}
/* Button */
static void
button_clicked_cb (GtkButton *real_button,
gpointer user_data)
{
open_dialog (user_data);
}
/* Dialog */
static void
dialog_current_folder_changed_cb (GtkFileChooser *dialog,
gpointer user_data)
{
GtkFileChooserButton *button;
GtkFileChooserButtonPrivate *priv;
button = GTK_FILE_CHOOSER_BUTTON (user_data);
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
priv->folder_has_been_set = TRUE;
g_signal_emit_by_name (button, "current-folder-changed");
}
static void
dialog_file_activated_cb (GtkFileChooser *dialog,
gpointer user_data)
{
g_signal_emit_by_name (user_data, "file-activated");
}
static void
dialog_selection_changed_cb (GtkFileChooser *dialog,
gpointer user_data)
{
update_label_and_image (user_data);
update_combo_box (user_data);
g_signal_emit_by_name (user_data, "selection-changed");
}
static void
dialog_update_preview_cb (GtkFileChooser *dialog,
gpointer user_data)
{
g_signal_emit_by_name (user_data, "update-preview");
}
static void
dialog_notify_cb (GObject *dialog,
GParamSpec *pspec,
gpointer user_data)
{
gpointer iface;
iface = g_type_interface_peek (g_type_class_peek (G_OBJECT_TYPE (dialog)),
GTK_TYPE_FILE_CHOOSER);
if (g_object_interface_find_property (iface, pspec->name))
g_object_notify (user_data, pspec->name);
if (g_ascii_strcasecmp (pspec->name, "local-only") == 0)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
if (priv->has_current_folder)
{
GtkTreeIter iter;
gint pos;
gpointer data;
pos = model_get_type_position (user_data,
ROW_TYPE_CURRENT_FOLDER);
g_assert (gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, pos));
data = NULL;
gtk_tree_model_get (priv->model, &iter, DATA_COLUMN, &data, -1);
/* If the path isn't local but we're in local-only mode now, remove
* the custom-folder row */
if (data &&
(!gtk_file_system_path_is_local (priv->fs, data) &&
gtk_file_chooser_get_local_only (GTK_FILE_CHOOSER (priv->dialog))))
{
pos--;
model_remove_rows (user_data, pos, 2);
}
}
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
update_combo_box (user_data);
}
}
static gboolean
dialog_delete_event_cb (GtkWidget *dialog,
GdkEvent *event,
gpointer user_data)
{
g_signal_emit_by_name (dialog, "response", GTK_RESPONSE_DELETE_EVENT);
return TRUE;
}
static void
dialog_response_cb (GtkDialog *dialog,
gint response,
gpointer user_data)
{
GtkFileChooserButtonPrivate *priv;
priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
if (response == GTK_RESPONSE_ACCEPT)
{
g_signal_emit_by_name (user_data, "current-folder-changed");
g_signal_emit_by_name (user_data, "selection-changed");
}
else if (priv->old_path)
{
switch (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)))
{
case GTK_FILE_CHOOSER_ACTION_OPEN:
_gtk_file_chooser_select_path (GTK_FILE_CHOOSER (dialog), priv->old_path,
NULL);
break;
case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
_gtk_file_chooser_set_current_folder_path (GTK_FILE_CHOOSER (dialog),
priv->old_path, NULL);
break;
default:
g_assert_not_reached ();
break;
}
}
else
gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (dialog));
if (priv->old_path)
{
gtk_file_path_free (priv->old_path);
priv->old_path = NULL;
}
update_label_and_image (user_data);
update_combo_box (user_data);
if (priv->active)
{
g_signal_handler_unblock (priv->dialog,
priv->dialog_folder_changed_id);
g_signal_handler_unblock (priv->dialog,
priv->dialog_file_activated_id);
g_signal_handler_unblock (priv->dialog,
priv->dialog_selection_changed_id);
priv->active = FALSE;
}
gtk_widget_set_sensitive (priv->combo_box, TRUE);
gtk_widget_hide (priv->dialog);
}
/* ************************************************************************** *
* Public API *
* ************************************************************************** */
/**
* gtk_file_chooser_button_new:
* @title: the title of the browse dialog.
* @action: the open mode for the widget.
*
* Creates a new file-selecting button widget.
*
* Returns: a new button widget.
*
* Since: 2.6
**/
GtkWidget *
gtk_file_chooser_button_new (const gchar *title,
GtkFileChooserAction action)
{
g_return_val_if_fail (action == GTK_FILE_CHOOSER_ACTION_OPEN ||
action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER, NULL);
return g_object_new (GTK_TYPE_FILE_CHOOSER_BUTTON,
"action", action,
"title", (title ? title : _(DEFAULT_TITLE)),
NULL);
}
/**
* gtk_file_chooser_button_new_with_backend:
* @title: the title of the browse dialog.
* @action: the open mode for the widget.
* @backend: the name of the #GtkFileSystem backend to use.
*
* Creates a new file-selecting button widget using @backend.
*
* Returns: a new button widget.
*
* Since: 2.6
**/
GtkWidget *
gtk_file_chooser_button_new_with_backend (const gchar *title,
GtkFileChooserAction action,
const gchar *backend)
{
g_return_val_if_fail (action == GTK_FILE_CHOOSER_ACTION_OPEN ||
action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER, NULL);
return g_object_new (GTK_TYPE_FILE_CHOOSER_BUTTON,
"action", action,
"title", (title ? title : _(DEFAULT_TITLE)),
"file-system-backend", backend,
NULL);
}
/**
* gtk_file_chooser_button_new_with_dialog:
* @dialog: the #GtkFileChooserDialog widget to use.
*
* Creates a #GtkFileChooserButton widget which uses @dialog as it's
* file-picking window. Note that @dialog must be a #GtkFileChooserDialog (or
* subclass) and must not have %GTK_DIALOG_DESTROY_WITH_PARENT set.
*
* Returns: a new button widget.
*
* Since: 2.6
**/
GtkWidget *
gtk_file_chooser_button_new_with_dialog (GtkWidget *dialog)
{
g_return_val_if_fail (GTK_IS_FILE_CHOOSER_DIALOG (dialog), NULL);
return g_object_new (GTK_TYPE_FILE_CHOOSER_BUTTON,
"dialog", dialog,
NULL);
}
/**
* gtk_file_chooser_button_set_title:
* @button: the button widget to modify.
* @title: the new browse dialog title.
*
* Modifies the @title of the browse dialog used by @button.
*
* Since: 2.6
**/
void
gtk_file_chooser_button_set_title (GtkFileChooserButton *button,
const gchar *title)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button));
gtk_window_set_title (GTK_WINDOW (button->priv->dialog), title);
g_object_notify (G_OBJECT (button), "title");
}
/**
* gtk_file_chooser_button_get_title:
* @button: the button widget to examine.
*
* Retrieves the title of the browse dialog used by @button. The returned value
* should not be modified or freed.
*
* Returns: a pointer to the browse dialog's title.
*
* Since: 2.6
**/
G_CONST_RETURN gchar *
gtk_file_chooser_button_get_title (GtkFileChooserButton *button)
{
g_return_val_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button), NULL);
return gtk_window_get_title (GTK_WINDOW (button->priv->dialog));
}
/**
* gtk_file_chooser_button_get_width_chars:
* @button: the button widget to examine.
*
* Retrieves the width in characters of the @button widget's entry and/or label.
*
* Returns: an integer width (in characters) that the button will use to size itself.
*
* Since: 2.6
**/
gint
gtk_file_chooser_button_get_width_chars (GtkFileChooserButton *button)
{
g_return_val_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button), -1);
return gtk_label_get_width_chars (GTK_LABEL (button->priv->label));
}
/**
* gtk_file_chooser_button_set_width_chars:
* @button: the button widget to examine.
* @n_chars: the new width, in characters.
*
* Sets the width (in characters) that @button will use to @n_chars.
*
* Since: 2.6
**/
void
gtk_file_chooser_button_set_width_chars (GtkFileChooserButton *button,
gint n_chars)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button));
gtk_label_set_width_chars (GTK_LABEL (button->priv->label), n_chars);
g_object_notify (G_OBJECT (button), "width-chars");
}
#define __GTK_FILE_CHOOSER_BUTTON_C__
#include "gtkaliasdef.c"
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