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Viewing changes to unity/unity_window_decorator/src/forcequit.c

  • Committer: David Barth
  • Date: 2011-04-05 20:20:54 UTC
  • Revision ID: david.barth@canonical.com-20110405202054-fnh0y5t2s228mf4k
re-integrate the unity-window-decorator, for real this time

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Lines of Context:
unity/unity_window_decorator/src/forcequit.c
 
1
#include "gtk-window-decorator.h"
 
2
 
 
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static char *
 
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get_client_machine (Window xwindow)
 
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{
 
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    Atom   atom, type;
 
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    gulong nitems, bytes_after;
 
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    guchar *str = NULL;
 
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    int    format, result;
 
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    char   *retval;
 
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    atom = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "WM_CLIENT_MACHINE", FALSE);
 
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    gdk_error_trap_push ();
 
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    result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
 
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                                 xwindow, atom,
 
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                                 0, G_MAXLONG,
 
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                                 FALSE, XA_STRING, &type, &format, &nitems,
 
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                                 &bytes_after, &str);
 
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    gdk_error_trap_pop ();
 
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    if (result != Success)
 
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        return NULL;
 
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    if (type != XA_STRING)
 
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    {
 
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        XFree (str);
 
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        return NULL;
 
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    }
 
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    retval = g_strdup ((gchar *) str);
 
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    XFree (str);
 
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    return retval;
 
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}
 
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static void
 
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kill_window (WnckWindow *win)
 
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{
 
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    WnckApplication *app;
 
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    app = wnck_window_get_application (win);
 
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    if (app)
 
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    {
 
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        gchar buf[257], *client_machine;
 
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        int   pid;
 
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        pid = wnck_application_get_pid (app);
 
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        client_machine = get_client_machine (wnck_application_get_xid (app));
 
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        if (client_machine && pid > 0)
 
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        {
 
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            if (gethostname (buf, sizeof (buf) - 1) == 0)
 
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            {
 
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                if (strcmp (buf, client_machine) == 0)
 
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                    kill (pid, 9);
 
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            }
 
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        }
 
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        if (client_machine)
 
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            g_free (client_machine);
 
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    }
 
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    gdk_error_trap_push ();
 
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    XKillClient (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), wnck_window_get_xid (win));
 
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    gdk_display_sync (gdk_display_get_default ());
 
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    gdk_error_trap_pop ();
 
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}
 
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static void
 
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force_quit_dialog_realize (GtkWidget *dialog,
 
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                           void      *data)
 
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{
 
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    WnckWindow *win = data;
 
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    gdk_error_trap_push ();
 
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    XSetTransientForHint (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
 
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                          GDK_WINDOW_XID (dialog->window),
 
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                          wnck_window_get_xid (win));
 
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    gdk_display_sync (gdk_display_get_default ());
 
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    gdk_error_trap_pop ();
 
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}
 
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static void
 
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force_quit_dialog_response (GtkWidget *dialog,
 
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                            gint      response,
 
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                            void      *data)
 
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{
 
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    WnckWindow *win = data;
 
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    decor_t    *d = g_object_get_data (G_OBJECT (win), "decor");
 
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    if (response == GTK_RESPONSE_ACCEPT)
 
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        kill_window (win);
 
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    if (d->force_quit_dialog)
 
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    {
 
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        d->force_quit_dialog = NULL;
 
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        gtk_widget_destroy (dialog);
 
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    }
 
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}
 
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void
 
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show_force_quit_dialog (WnckWindow *win,
 
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                        Time        timestamp)
 
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{
 
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    decor_t   *d = g_object_get_data (G_OBJECT (win), "decor");
 
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    GtkWidget *dialog;
 
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    gchar     *str, *tmp;
 
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    if (d->force_quit_dialog)
 
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        return;
 
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    tmp = g_markup_escape_text (wnck_window_get_name (win), -1);
 
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    str = g_strdup_printf (_("The window \"%s\" is not responding."), tmp);
 
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    g_free (tmp);
 
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    dialog = gtk_message_dialog_new (NULL, 0,
 
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                                     GTK_MESSAGE_WARNING,
 
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                                     GTK_BUTTONS_NONE,
 
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                                     "<b>%s</b>\n\n%s",
 
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                                     str,
 
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                                     _("Forcing this application to "
 
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                                     "quit will cause you to lose any "
 
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                                     "unsaved changes."));
 
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    g_free (str);
 
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131
    gtk_window_set_icon_name (GTK_WINDOW (dialog), "force-quit");
 
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133
    gtk_label_set_use_markup (GTK_LABEL (GTK_MESSAGE_DIALOG (dialog)->label),
 
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                              TRUE);
 
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    gtk_label_set_line_wrap (GTK_LABEL (GTK_MESSAGE_DIALOG (dialog)->label),
 
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                             TRUE);
 
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138
    gtk_dialog_add_buttons (GTK_DIALOG (dialog),
 
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                            GTK_STOCK_CANCEL,
 
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                            GTK_RESPONSE_REJECT,
 
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                            _("_Force Quit"),
 
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                            GTK_RESPONSE_ACCEPT,
 
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                            NULL);
 
144
 
 
145
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_REJECT);
 
146
 
 
147
    g_signal_connect (G_OBJECT (dialog), "realize",
 
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                      G_CALLBACK (force_quit_dialog_realize),
 
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                      win);
 
150
 
 
151
    g_signal_connect (G_OBJECT (dialog), "response",
 
152
                      G_CALLBACK (force_quit_dialog_response),
 
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                      win);
 
154
 
 
155
    gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
 
156
 
 
157
    gtk_widget_realize (dialog);
 
158
 
 
159
    gdk_x11_window_set_user_time (dialog->window, timestamp);
 
160
 
 
161
    gtk_widget_show (dialog);
 
162
 
 
163
    d->force_quit_dialog = dialog;
 
164
}
 
165
 
 
166
void
 
167
hide_force_quit_dialog (WnckWindow *win)
 
168
{
 
169
    decor_t *d = g_object_get_data (G_OBJECT (win), "decor");
 
170
 
 
171
    if (d->force_quit_dialog)
 
172
    {
 
173
        gtk_widget_destroy (d->force_quit_dialog);
 
174
        d->force_quit_dialog = NULL;
 
175
    }
 
176
}