aboutsummaryrefslogtreecommitdiffstats
path: root/e-util/e-dialog-utils.c
blob: 751a89be68fd99f455ff897da4326484abbbd5a2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
/* -*- 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>
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-dialog-utils.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>


/**
 * e_notice:
 * @parent: the dialog's parent window, or %NULL
 * @type: the type of dialog (%GTK_MESSAGE_INFO, %GTK_MESSAGE_WARNING,
 * or %GTK_MESSAGE_ERROR)
 * @format: printf-style format string, followed by arguments
 *
 * Convenience function to show a dialog with a message and an "OK"
 * button.
 **/
void
e_notice (gpointer parent, GtkMessageType type, const char *format, ...)
{
    GtkWidget *dialog;
    va_list args;
    char *str;

    va_start (args, format);
    str = g_strdup_vprintf (format, args);
    dialog = gtk_message_dialog_new (NULL,
                     GTK_DIALOG_DESTROY_WITH_PARENT,
                     type,
                     GTK_BUTTONS_OK,
                     "%s",
                     str);
    gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
    va_end (args);
    g_free (str);
    
    if (parent)
        e_dialog_set_transient_for (GTK_WINDOW (dialog), parent);
    gtk_dialog_run (GTK_DIALOG (dialog));
    gtk_widget_destroy (dialog);
}

/**
 * e_notice_with_xid:
 * @parent: the dialog's parent window, or %NULL
 * @type: the type of dialog (%GTK_MESSAGE_INFO, %GTK_MESSAGE_WARNING,
 * or %GTK_MESSAGE_ERROR)
 * @format: printf-style format string, followed by arguments
 *
 * Like e_notice(), but takes a GdkNativeWindow for the parent
 * window argument.
 **/
void
e_notice_with_xid (GdkNativeWindow parent, GtkMessageType type, const char *format, ...)
{
    GtkWidget *dialog;
    va_list args;
    char *str;

    va_start (args, format);
    str = g_strdup_vprintf (format, args);
    dialog = gtk_message_dialog_new (NULL,
                     GTK_DIALOG_DESTROY_WITH_PARENT,
                     type,
                     GTK_BUTTONS_OK,
                     "%s",
                     str);
    gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
    va_end (args);
    g_free (str);
    
    if (parent)
        e_dialog_set_transient_for_xid (GTK_WINDOW (dialog), parent);
    gtk_dialog_run (GTK_DIALOG (dialog));
    gtk_widget_destroy (dialog);
}


/* 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)
{
#ifdef GDK_MULTIHEAD_SAFE
    GdkDisplay *display;
#endif
    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;
    }

#ifdef GDK_MULTIHEAD_SAFE
    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);
#else
    parent = gdk_window_lookup (xid);
    if (!parent)
        parent = gdk_window_foreign_new (xid);
#endif
    g_return_if_fail (parent != NULL);

    gdk_window_set_transient_for (GTK_WIDGET (dialog)->window, parent);
}



static void
save_ok (GtkWidget *widget, gpointer data)
{
    GtkWidget *fs;
    char **filename = data;
    const char *path;
    int btn = GTK_RESPONSE_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 = gtk_message_dialog_new (GTK_WINDOW (fs), 0,
                          GTK_MESSAGE_QUESTION,
                          GTK_BUTTONS_YES_NO,
                          _("A file by that name already exists.\n"
                        "Overwrite it?"));
        gtk_window_set_title (GTK_WINDOW (dlg), _("Overwrite file?"));
        gtk_dialog_set_has_separator (GTK_DIALOG (dlg), FALSE);

        btn = gtk_dialog_run (GTK_DIALOG (dlg));
        gtk_widget_destroy (dlg);
    }
    
    if (btn == GTK_RESPONSE_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;
}