+int init_net()
+{
+ if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != None) {
+ fprintf(stderr, "tint2 : another systray is running\n");
+ return 0;
+ }
+
+ //create_hint_win();
+
+ // init systray protocol
+ net_sel_win = XCreateSimpleWindow(server.dsp, server.root_win, -1, -1, 1, 1, 0, 0, 0);
+
+ // v0.2 trayer specification. tint2 always orizontal.
+ int orient = 0;
+ XChangeProperty(server.dsp, net_sel_win, server.atom._NET_SYSTEM_TRAY_ORIENTATION, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &orient, 1);
+
+ XSetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN, net_sel_win, CurrentTime);
+ if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != net_sel_win) {
+ fprintf(stderr, "tint2 : can't get systray manager\n");
+ return 0;
+ }
+
+ XClientMessageEvent ev;
+ ev.type = ClientMessage;
+ ev.window = server.root_win;
+ ev.message_type = server.atom.MANAGER;
+ ev.format = 32;
+ ev.data.l[0] = CurrentTime;
+ ev.data.l[1] = server.atom._NET_SYSTEM_TRAY_SCREEN;
+ ev.data.l[2] = net_sel_win;
+ ev.data.l[3] = 0;
+ ev.data.l[4] = 0;
+ XSendEvent(server.dsp, server.root_win, False, StructureNotifyMask, (XEvent*)&ev);
+
+ return 1;
+}
+
+
+void cleanup_net()
+{
+ if (net_sel_win != None) {
+ XDestroyWindow(server.dsp, net_sel_win);
+ net_sel_win = None;
+ }
+}
+
+
+/*
+void fix_geometry()
+{
+ GSList *it;
+ Panel *panel = systray.area.panel;
+
+ // find the proper width and height
+ width = 0;
+ height = icon_size;
+ for (it = icons; it != NULL; it = g_slist_next(it)) {
+ width += icon_size;
+ }
+
+ XResizeWindow(server.dsp, panel->main_win, width + border * 2, height + border * 2);
+}
+*/
+
+gboolean error;
+int window_error_handler(Display *d, XErrorEvent *e)
+{
+ d=d;e=e;
+ if (e->error_code == BadWindow) {
+ error = TRUE;
+ } else {
+ //g_printerr("X ERROR NOT BAD WINDOW!\n");
+ abort();
+ }
+ return 0;
+}
+
+
+gboolean icon_swallow(Window id)
+{
+ XErrorHandler old;
+ Panel *panel = systray.area.panel;
+
+ error = FALSE;
+ old = XSetErrorHandler(window_error_handler);
+ XReparentWindow(server.dsp, id, panel->main_win, 0, 0);
+ XSync(server.dsp, False);
+ XSetErrorHandler(old);
+
+ return !error;
+}
+
+
+// The traywin must have its id and type set.
+gboolean add_icon(Window id)
+{
+ TrayWindow *traywin;
+
+ if (!icon_swallow(id)) {
+ fprintf(stderr, "tint2 : not icon_swallow\n");
+ return FALSE;
+ }
+
+ traywin = g_new0(TrayWindow, 1);
+ traywin->id = id;
+
+ systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
+ printf("ajout d'un icone %d (%lx)\n", g_slist_length(systray.list_icons), id);
+ systray.area.resize = 1;
+ systray.area.redraw = 1;
+
+ // changed in systray force resize on panel
+ Panel *panel = systray.area.panel;
+ panel->area.resize = 1;
+ panel_refresh = 1;
+
+// => calcul x, y, width, height dans resize
+/*
+ // find the positon for the systray app window
+ int count = g_slist_length(icons);
+ traywin->x = border + ((width % icon_size) / 2) +
+ (count % (width / icon_size)) * icon_size;
+ traywin->y = border + ((height % icon_size) / 2) +
+ (count / (height / icon_size)) * icon_size;
+
+ // add the new icon to the list
+ icons = g_slist_append(icons, traywin);
+*/
+
+ return TRUE;
+}
+
+
+void remove_icon(TrayWindow *traywin)
+{
+ XErrorHandler old;
+
+ XSelectInput(server.dsp, traywin->id, NoEventMask);
+
+ // reparent to root
+ error = FALSE;
+ old = XSetErrorHandler(window_error_handler);
+ XReparentWindow(server.dsp, traywin->id, server.root_win, 0, 0);
+ XSync(server.dsp, False);
+ XSetErrorHandler(old);
+
+ // remove from our list
+ systray.list_icons = g_slist_remove(systray.list_icons, traywin);
+ g_free(traywin);
+ printf("suppression d'un icone %d\n", g_slist_length(systray.list_icons));
+ systray.area.resize = 1;
+
+ // changed in systray force resize on panel
+ Panel *panel = systray.area.panel;
+ panel->area.resize = 1;
+ panel_refresh = 1;
+
+}
+
+
+void net_message(XClientMessageEvent *e)
+{
+ unsigned long opcode;
+ Window id;
+
+ opcode = e->data.l[1];
+ switch (opcode) {
+ case SYSTEM_TRAY_REQUEST_DOCK:
+ id = e->data.l[2];
+ if (id) add_icon(id);
+ break;
+
+ case SYSTEM_TRAY_BEGIN_MESSAGE:
+ case SYSTEM_TRAY_CANCEL_MESSAGE:
+ // we don't show baloons messages.
+ break;
+
+ default:
+ if (opcode == server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA) {
+ printf("message from dockapp: %s\n", e->data.b);
+ }
+ else
+ printf("SYSTEM_TRAY : unknown message type\n");
+ break;
+ }
+}
+
+
+void refresh_systray()
+{
+ TrayWindow *traywin;
+ GSList *l;
+ for (l = systray.list_icons; l ; l = l->next) {
+ traywin = (TrayWindow*)l->data;
+ XClearArea(server.dsp, traywin->id, 0, 0, traywin->width, traywin->height, True);
+ }
+}
+