/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-dialog-utils.h
*
* Copyright (C) 2001 Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors:
* Michael Meeks <michael@ximian.com>
* Ettore Perazzoli <ettore@ximian.com>
*/
#include "e-dialog-utils.h"
#include <glib.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <gtk/gtkfilesel.h>
#include <gtk/gtkmain.h>
#include <gtk/gtkplug.h>
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-util.h>
#include <libgnomeui/gnome-dialog-util.h>
#include <libgnomeui/gnome-uidefs.h>
/* Tests whether or not an X Window is being managed by the
* window manager.
*/
static gboolean
window_is_wm_toplevel (Display *display, Window window)
{
static Atom WM_STATE = None;
unsigned long nitems, after;
unsigned char *data = NULL;
Atom type = None;
int format;
if (!WM_STATE)
WM_STATE = XInternAtom (display, "WM_STATE", False);
if (XGetWindowProperty (display, window, WM_STATE, 0, 0, False,
AnyPropertyType, &type, &format,
&nitems, &after, &data) == Success) {
if (data)
XFree((char*)data);
if (type)
return TRUE;
}
return FALSE;
}
/**
* e_dialog_set_transient_for:
* @dialog: a dialog window
* @parent_widget: the parent for @dialog
*
* This sets the parent for @dialog to be @parent_widget. Unlike
* gtk_window_set_transient_for(), this doesn't need @parent_widget to
* be the actual toplevel, and also works if @parent_widget is
* embedded as a Bonobo control by an out-of-process container.
* @parent_widget must already be realized before calling this
* function, but @dialog does not need to be.
**/
void
e_dialog_set_transient_for (GtkWindow *dialog,
GtkWidget *parent_widget)
{
GtkWidget *toplevel;
Window parent, root_ret, *children;
unsigned int numchildren;
Display *display;
Status status;
g_return_if_fail (GTK_IS_WINDOW (dialog));
g_return_if_fail (GTK_IS_WIDGET (parent_widget));
toplevel = gtk_widget_get_toplevel (parent_widget);
if (toplevel == NULL)
return;
if (!GTK_IS_PLUG (toplevel)) {
gtk_window_set_transient_for (GTK_WINDOW (dialog),
GTK_WINDOW (toplevel));
return;
}
/* Find the top-level windowmanager-managed X Window */
display = GDK_WINDOW_XDISPLAY (parent_widget->window);
parent = GDK_WINDOW_XID (parent_widget->window);
while (parent && !window_is_wm_toplevel (display, parent)) {
status = XQueryTree (display, parent, &root_ret,
&parent, &children, &numchildren);
if (status != 0)
XFree (children);
}
e_dialog_set_transient_for_xid (dialog, parent);
}
static void
dialog_realized (GtkWindow *dialog, gpointer xid)
{
e_dialog_set_transient_for_xid (dialog, (GdkNativeWindow)xid);
}
/**
* e_dialog_set_transient_for_xid:
* @dialog: a dialog window
* @xid: the X Window parent
*
* Like e_dialog_set_transient_for(), but use an XID to specify the
* parent window.
**/
void
e_dialog_set_transient_for_xid (GtkWindow *dialog,
GdkNativeWindow xid)
{
GdkDisplay *display;
GdkWindow *parent;
g_return_if_fail (GTK_IS_WINDOW (dialog));
if (!GTK_WIDGET_REALIZED (dialog)) {
g_signal_connect (dialog, "realize",
G_CALLBACK (dialog_realized),
(gpointer) xid);
return;
}
display = gdk_drawable_get_display (GDK_DRAWABLE (GTK_WIDGET (dialog)->window));
parent = gdk_window_lookup_for_display (display, xid);
if (!parent) {
parent = gdk_window_foreign_new_for_display (display, xid);
g_return_if_fail (parent != NULL);
}
gdk_window_set_transient_for (GTK_WIDGET (dialog)->window, parent);
}
static void
e_gnome_dialog_parent_destroyed (GnomeDialog *dialog, GObject *deadbeef)
{
gnome_dialog_close (GNOME_DIALOG (dialog));
}
void
e_gnome_dialog_set_parent (GnomeDialog *dialog, GtkWindow *parent)
{
gnome_dialog_set_parent (dialog, parent);
g_object_weak_ref ((GObject *) parent, (GWeakNotify) e_gnome_dialog_parent_destroyed, dialog);
}
static void
save_ok (GtkWidget *widget, gpointer data)
{
GtkWidget *fs;
char **filename = data;
const char *path;
int btn = GNOME_YES;
fs = gtk_widget_get_toplevel (widget);
path = gtk_file_selection_get_filename (GTK_FILE_SELECTION (fs));
if (g_file_test (path, G_FILE_TEST_IS_REGULAR)) {
GtkWidget *dlg;
dlg = gnome_question_dialog_modal (_("A file by that name already exists.\n"
"Overwrite it?"), NULL, NULL);
btn = gnome_dialog_run_and_close (GNOME_DIALOG (dlg));
}
if (btn == GNOME_YES)
*filename = g_strdup (path);
gtk_main_quit ();
}
char *
e_file_dialog_save (const char *title)
{
GtkFileSelection *fs;
char *path, *filename = NULL;
fs = GTK_FILE_SELECTION (gtk_file_selection_new (title));
path = g_strdup_printf ("%s/", g_get_home_dir ());
gtk_file_selection_set_filename (fs, path);
g_free (path);
g_signal_connect (fs->ok_button, "clicked", G_CALLBACK (save_ok), &filename);
g_signal_connect (fs->cancel_button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
gtk_widget_show (GTK_WIDGET (fs));
gtk_grab_add (GTK_WIDGET (fs));
gtk_main ();
gtk_widget_destroy (GTK_WIDGET (fs));
return filename;
}
