Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

694 lines (576 sloc) 19.106 kb
/* testfilechooser.c
* Copyright (C) 2003 Red Hat, Inc.
* Author: Owen Taylor
*
* 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 <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <time.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <gtk/gtk.h>
#ifdef G_OS_WIN32
# include <io.h>
# define localtime_r(t,b) *(b) = *localtime (t)
# ifndef S_ISREG
# define S_ISREG(m) ((m) & _S_IFREG)
# endif
#endif
#include "prop-editor.h"
static GtkWidget *preview_label;
static GtkWidget *preview_image;
static GtkFileChooserAction action;
static void
print_current_folder (GtkFileChooser *chooser)
{
gchar *uri;
uri = gtk_file_chooser_get_current_folder_uri (chooser);
g_print ("Current folder changed :\n %s\n", uri ? uri : "(null)");
g_free (uri);
}
static void
print_selected (GtkFileChooser *chooser)
{
GSList *uris = gtk_file_chooser_get_uris (chooser);
GSList *tmp_list;
g_print ("Selection changed :\n");
for (tmp_list = uris; tmp_list; tmp_list = tmp_list->next)
{
gchar *uri = tmp_list->data;
g_print (" %s\n", uri);
g_free (uri);
}
g_print ("\n");
g_slist_free (uris);
}
static void
response_cb (GtkDialog *dialog,
gint response_id)
{
if (response_id == GTK_RESPONSE_OK)
{
GSList *list;
list = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (dialog));
if (list)
{
GSList *l;
g_print ("Selected files:\n");
for (l = list; l; l = l->next)
{
g_print ("%s\n", (char *) l->data);
g_free (l->data);
}
g_slist_free (list);
}
else
g_print ("No selected files\n");
}
else
g_print ("Dialog was closed\n");
gtk_main_quit ();
}
static gboolean
no_backup_files_filter (const GtkFileFilterInfo *filter_info,
gpointer data)
{
gsize len = filter_info->display_name ? strlen (filter_info->display_name) : 0;
if (len > 0 && filter_info->display_name[len - 1] == '~')
return 0;
else
return 1;
}
static void
filter_changed (GtkFileChooserDialog *dialog,
gpointer data)
{
g_print ("file filter changed\n");
}
static char *
format_time (time_t t)
{
gchar buf[128];
struct tm tm_buf;
time_t now = time (NULL);
const char *format;
if (abs (now - t) < 24*60*60)
format = "%X";
else
format = "%x";
localtime_r (&t, &tm_buf);
if (strftime (buf, sizeof (buf), format, &tm_buf) == 0)
return g_strdup ("<unknown>");
else
return g_strdup (buf);
}
static char *
format_size (gint64 size)
{
if (size < (gint64)1024)
return g_strdup_printf ("%d bytes", (gint)size);
else if (size < (gint64)1024*1024)
return g_strdup_printf ("%.1f K", size / (1024.));
else if (size < (gint64)1024*1024*1024)
return g_strdup_printf ("%.1f M", size / (1024.*1024.));
else
return g_strdup_printf ("%.1f G", size / (1024.*1024.*1024.));
}
#include <stdio.h>
#include <errno.h>
#define _(s) (s)
static void
size_prepared_cb (GdkPixbufLoader *loader,
int width,
int height,
int *data)
{
int des_width = data[0];
int des_height = data[1];
if (des_height >= height && des_width >= width) {
/* Nothing */
} else if ((double)height * des_width > (double)width * des_height) {
width = 0.5 + (double)width * des_height / (double)height;
height = des_height;
} else {
height = 0.5 + (double)height * des_width / (double)width;
width = des_width;
}
gdk_pixbuf_loader_set_size (loader, width, height);
}
GdkPixbuf *
my_new_from_file_at_size (const char *filename,
int width,
int height,
GError **error)
{
GdkPixbufLoader *loader;
GdkPixbuf *pixbuf;
int info[2];
struct stat st;
guchar buffer [4096];
int length;
FILE *f;
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (width > 0 && height > 0, NULL);
if (stat (filename, &st) != 0) {
int errsv = errno;
g_set_error (error,
G_FILE_ERROR,
g_file_error_from_errno (errsv),
_("Could not get information for file '%s': %s"),
filename, g_strerror (errsv));
return NULL;
}
if (!S_ISREG (st.st_mode))
return NULL;
f = fopen (filename, "rb");
if (!f) {
int errsv = errno;
g_set_error (error,
G_FILE_ERROR,
g_file_error_from_errno (errsv),
_("Failed to open file '%s': %s"),
filename, g_strerror (errsv));
return NULL;
}
loader = gdk_pixbuf_loader_new ();
#ifdef DONT_PRESERVE_ASPECT
gdk_pixbuf_loader_set_size (loader, width, height);
#else
info[0] = width;
info[1] = height;
g_signal_connect (loader, "size-prepared", G_CALLBACK (size_prepared_cb), info);
#endif
while (!feof (f)) {
length = fread (buffer, 1, sizeof (buffer), f);
if (length > 0)
if (!gdk_pixbuf_loader_write (loader, buffer, length, error)) {
gdk_pixbuf_loader_close (loader, NULL);
fclose (f);
g_object_unref (loader);
return NULL;
}
}
fclose (f);
g_assert (*error == NULL);
if (!gdk_pixbuf_loader_close (loader, error)) {
g_object_unref (loader);
return NULL;
}
pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
if (!pixbuf) {
g_object_unref (loader);
/* did the loader set an error? */
if (*error != NULL)
return NULL;
g_set_error (error,
GDK_PIXBUF_ERROR,
GDK_PIXBUF_ERROR_FAILED,
_("Failed to load image '%s': reason not known, probably a corrupt image file"),
filename);
return NULL;
}
g_object_ref (pixbuf);
g_object_unref (loader);
return pixbuf;
}
static void
update_preview_cb (GtkFileChooser *chooser)
{
gchar *filename = gtk_file_chooser_get_preview_filename (chooser);
gboolean have_preview = FALSE;
if (filename)
{
GdkPixbuf *pixbuf;
GError *error = NULL;
pixbuf = my_new_from_file_at_size (filename, 128, 128, &error);
if (pixbuf)
{
gtk_image_set_from_pixbuf (GTK_IMAGE (preview_image), pixbuf);
g_object_unref (pixbuf);
gtk_widget_show (preview_image);
gtk_widget_hide (preview_label);
have_preview = TRUE;
}
else
{
struct stat buf;
if (stat (filename, &buf) == 0)
{
gchar *preview_text;
gchar *size_str;
gchar *modified_time;
size_str = format_size (buf.st_size);
modified_time = format_time (buf.st_mtime);
preview_text = g_strdup_printf ("<i>Modified:</i>\t%s\n"
"<i>Size:</i>\t%s\n",
modified_time,
size_str);
gtk_label_set_markup (GTK_LABEL (preview_label), preview_text);
g_free (modified_time);
g_free (size_str);
g_free (preview_text);
gtk_widget_hide (preview_image);
gtk_widget_show (preview_label);
have_preview = TRUE;
}
}
g_free (filename);
if (error)
g_error_free (error);
}
gtk_file_chooser_set_preview_widget_active (chooser, have_preview);
}
static void
set_current_folder (GtkFileChooser *chooser,
const char *name)
{
if (!gtk_file_chooser_set_current_folder (chooser, name))
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (GTK_WINDOW (chooser),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Could not set the folder to %s",
name);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
}
static void
set_folder_nonexistent_cb (GtkButton *button,
GtkFileChooser *chooser)
{
set_current_folder (chooser, "/nonexistent");
}
static void
set_folder_existing_nonexistent_cb (GtkButton *button,
GtkFileChooser *chooser)
{
set_current_folder (chooser, "/usr/nonexistent");
}
static void
set_filename (GtkFileChooser *chooser,
const char *name)
{
if (!gtk_file_chooser_set_filename (chooser, name))
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (GTK_WINDOW (chooser),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Could not select %s",
name);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
}
static void
set_filename_nonexistent_cb (GtkButton *button,
GtkFileChooser *chooser)
{
set_filename (chooser, "/nonexistent");
}
static void
set_filename_existing_nonexistent_cb (GtkButton *button,
GtkFileChooser *chooser)
{
set_filename (chooser, "/usr/nonexistent");
}
static void
unmap_and_remap_cb (GtkButton *button,
GtkFileChooser *chooser)
{
gtk_widget_hide (GTK_WIDGET (chooser));
gtk_widget_show (GTK_WIDGET (chooser));
}
static void
kill_dependent (GtkWindow *win, GtkObject *dep)
{
gtk_object_destroy (dep);
g_object_unref (dep);
}
static void
notify_multiple_cb (GtkWidget *dialog,
GParamSpec *pspec,
GtkWidget *button)
{
gboolean multiple;
multiple = gtk_file_chooser_get_select_multiple (GTK_FILE_CHOOSER (dialog));
gtk_widget_set_sensitive (button, multiple);
}
static GtkFileChooserConfirmation
confirm_overwrite_cb (GtkFileChooser *chooser,
gpointer data)
{
GtkWidget *dialog;
GtkWidget *button;
int response;
GtkFileChooserConfirmation conf;
dialog = gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (chooser))),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_QUESTION,
GTK_BUTTONS_NONE,
"What do you want to do?");
button = gtk_button_new_with_label ("Use the stock confirmation dialog");
gtk_widget_show (button);
gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button, 1);
button = gtk_button_new_with_label ("Type a new file name");
gtk_widget_show (button);
gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button, 2);
button = gtk_button_new_with_label ("Accept the file name");
gtk_widget_show (button);
gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button, 3);
response = gtk_dialog_run (GTK_DIALOG (dialog));
switch (response)
{
case 1:
conf = GTK_FILE_CHOOSER_CONFIRMATION_CONFIRM;
break;
case 3:
conf = GTK_FILE_CHOOSER_CONFIRMATION_ACCEPT_FILENAME;
break;
default:
conf = GTK_FILE_CHOOSER_CONFIRMATION_SELECT_AGAIN;
break;
}
gtk_widget_destroy (dialog);
return conf;
}
int
main (int argc, char **argv)
{
GtkWidget *control_window;
GtkWidget *vbbox;
GtkWidget *button;
GtkWidget *dialog;
GtkWidget *prop_editor;
GtkWidget *extra;
GtkFileFilter *filter;
GtkWidget *preview_vbox;
gboolean force_rtl = FALSE;
gboolean multiple = FALSE;
char *action_arg = NULL;
char *backend = NULL;
GError *error = NULL;
GOptionEntry options[] = {
{ "action", 'a', 0, G_OPTION_ARG_STRING, &action_arg, "Filechooser action", "ACTION" },
{ "backend", 'b', 0, G_OPTION_ARG_STRING, &backend, "Filechooser backend (default: gtk+)", "BACKEND" },
{ "multiple", 'm', 0, G_OPTION_ARG_NONE, &multiple, "Select-multiple", NULL },
{ "right-to-left", 'r', 0, G_OPTION_ARG_NONE, &force_rtl, "Force right-to-left layout.", NULL },
{ NULL }
};
if (!gtk_init_with_args (&argc, &argv, "", options, NULL, &error))
{
g_print ("Failed to parse args: %s\n", error->message);
g_error_free (error);
return 1;
}
if (force_rtl)
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
action = GTK_FILE_CHOOSER_ACTION_OPEN;
if (action_arg != NULL)
{
if (! strcmp ("open", action_arg))
action = GTK_FILE_CHOOSER_ACTION_OPEN;
else if (! strcmp ("save", action_arg))
action = GTK_FILE_CHOOSER_ACTION_SAVE;
else if (! strcmp ("select_folder", action_arg))
action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
else if (! strcmp ("create_folder", action_arg))
action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
g_free (action_arg);
}
if (backend == NULL)
backend = g_strdup ("gtk+");
dialog = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
"action", action,
"file-system-backend", backend,
"select-multiple", multiple,
NULL);
g_free (backend);
switch (action)
{
case GTK_FILE_CHOOSER_ACTION_OPEN:
case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
gtk_window_set_title (GTK_WINDOW (dialog), "Select a file");
gtk_dialog_add_buttons (GTK_DIALOG (dialog),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_OK,
NULL);
break;
case GTK_FILE_CHOOSER_ACTION_SAVE:
case GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER:
gtk_window_set_title (GTK_WINDOW (dialog), "Save a file");
gtk_dialog_add_buttons (GTK_DIALOG (dialog),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_OK,
NULL);
break;
}
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
g_signal_connect (dialog, "selection-changed",
G_CALLBACK (print_selected), NULL);
g_signal_connect (dialog, "current-folder-changed",
G_CALLBACK (print_current_folder), NULL);
g_signal_connect (dialog, "response",
G_CALLBACK (response_cb), NULL);
g_signal_connect (dialog, "confirm-overwrite",
G_CALLBACK (confirm_overwrite_cb), NULL);
/* Filters */
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, "All Files");
gtk_file_filter_add_pattern (filter, "*");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, "No backup files");
gtk_file_filter_add_custom (filter, GTK_FILE_FILTER_DISPLAY_NAME,
no_backup_files_filter, NULL, NULL);
gtk_file_filter_add_mime_type (filter, "image/png");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
g_signal_connect (dialog, "notify::filter",
G_CALLBACK (filter_changed), NULL);
/* Make this filter the default */
gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filter);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, "PNG and JPEG");
gtk_file_filter_add_mime_type (filter, "image/jpeg");
gtk_file_filter_add_mime_type (filter, "image/png");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, "Images");
gtk_file_filter_add_pixbuf_formats (filter);
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
/* Preview widget */
/* THIS IS A TERRIBLE PREVIEW WIDGET, AND SHOULD NOT BE COPIED AT ALL.
*/
preview_vbox = gtk_vbox_new (0, FALSE);
/*gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (dialog), preview_vbox);*/
preview_label = gtk_label_new (NULL);
gtk_box_pack_start (GTK_BOX (preview_vbox), preview_label, TRUE, TRUE, 0);
gtk_misc_set_padding (GTK_MISC (preview_label), 6, 6);
preview_image = gtk_image_new ();
gtk_box_pack_start (GTK_BOX (preview_vbox), preview_image, TRUE, TRUE, 0);
gtk_misc_set_padding (GTK_MISC (preview_image), 6, 6);
update_preview_cb (GTK_FILE_CHOOSER (dialog));
g_signal_connect (dialog, "update-preview",
G_CALLBACK (update_preview_cb), NULL);
/* Extra widget */
extra = gtk_check_button_new_with_mnemonic ("Lar_t whoever asks about this button");
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (extra), TRUE);
gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (dialog), extra);
/* Shortcuts */
gtk_file_chooser_add_shortcut_folder_uri (GTK_FILE_CHOOSER (dialog),
"file:///usr/share/pixmaps",
NULL);
/* show_all() to reveal bugs in composite widget handling */
gtk_widget_show_all (dialog);
/* Extra controls for manipulating the test environment
*/
prop_editor = create_prop_editor (G_OBJECT (dialog), GTK_TYPE_FILE_CHOOSER);
control_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
vbbox = gtk_vbutton_box_new ();
gtk_container_add (GTK_CONTAINER (control_window), vbbox);
button = gtk_button_new_with_mnemonic ("_Select all");
gtk_widget_set_sensitive (button, multiple);
gtk_container_add (GTK_CONTAINER (vbbox), button);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gtk_file_chooser_select_all), dialog);
g_signal_connect (dialog, "notify::select-multiple",
G_CALLBACK (notify_multiple_cb), button);
button = gtk_button_new_with_mnemonic ("_Unselect all");
gtk_container_add (GTK_CONTAINER (vbbox), button);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gtk_file_chooser_unselect_all), dialog);
button = gtk_button_new_with_label ("set_current_folder (\"/nonexistent\")");
gtk_container_add (GTK_CONTAINER (vbbox), button);
g_signal_connect (button, "clicked",
G_CALLBACK (set_folder_nonexistent_cb), dialog);
button = gtk_button_new_with_label ("set_current_folder (\"/usr/nonexistent\")");
gtk_container_add (GTK_CONTAINER (vbbox), button);
g_signal_connect (button, "clicked",
G_CALLBACK (set_folder_existing_nonexistent_cb), dialog);
button = gtk_button_new_with_label ("set_filename (\"/nonexistent\")");
gtk_container_add (GTK_CONTAINER (vbbox), button);
g_signal_connect (button, "clicked",
G_CALLBACK (set_filename_nonexistent_cb), dialog);
button = gtk_button_new_with_label ("set_filename (\"/usr/nonexistent\")");
gtk_container_add (GTK_CONTAINER (vbbox), button);
g_signal_connect (button, "clicked",
G_CALLBACK (set_filename_existing_nonexistent_cb), dialog);
button = gtk_button_new_with_label ("Unmap and remap");
gtk_container_add (GTK_CONTAINER (vbbox), button);
g_signal_connect (button, "clicked",
G_CALLBACK (unmap_and_remap_cb), dialog);
gtk_widget_show_all (control_window);
g_object_ref (control_window);
g_signal_connect (dialog, "destroy",
G_CALLBACK (kill_dependent), control_window);
/* We need to hold a ref until we have destroyed the widgets, just in case
* someone else destroys them. We explicitly destroy windows to catch leaks.
*/
g_object_ref (dialog);
gtk_main ();
gtk_widget_destroy (dialog);
g_object_unref (dialog);
return 0;
}
Jump to Line
Something went wrong with that request. Please try again.