diff options
Diffstat (limited to 'src/shell-tray-icon.c')
| -rw-r--r-- | src/shell-tray-icon.c | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/src/shell-tray-icon.c b/src/shell-tray-icon.c new file mode 100644 index 0000000..14b2191 --- /dev/null +++ b/src/shell-tray-icon.c @@ -0,0 +1,294 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ + +#include "config.h" + +#include "shell-tray-icon.h" +#include "shell-gtk-embed.h" +#include "tray/na-tray-child.h" +#include <gdk/gdkx.h> +#include <X11/Xatom.h> +#include "st.h" + +enum { + PROP_0, + + PROP_PID, + PROP_TITLE, + PROP_WM_CLASS +}; + +typedef struct _ShellTrayIconPrivate ShellTrayIconPrivate; + +struct _ShellTrayIcon +{ + ShellGtkEmbed parent; + + ShellTrayIconPrivate *priv; +}; + +struct _ShellTrayIconPrivate +{ + NaTrayChild *socket; + + pid_t pid; + char *title, *wm_class; +}; + +G_DEFINE_TYPE_WITH_PRIVATE (ShellTrayIcon, shell_tray_icon, SHELL_TYPE_GTK_EMBED); + +static void +shell_tray_icon_finalize (GObject *object) +{ + ShellTrayIcon *icon = SHELL_TRAY_ICON (object); + + g_free (icon->priv->title); + g_free (icon->priv->wm_class); + + G_OBJECT_CLASS (shell_tray_icon_parent_class)->finalize (object); +} + +static void +shell_tray_icon_constructed (GObject *object) +{ + GdkWindow *icon_app_window; + ShellTrayIcon *icon = SHELL_TRAY_ICON (object); + ShellEmbeddedWindow *window; + GdkDisplay *display; + Window plug_xid; + Atom _NET_WM_PID, type; + int result, format; + gulong nitems, bytes_after, *val = NULL; + + /* We do all this now rather than computing it on the fly later, + * because the shell may want to see their values from a + * tray-icon-removed signal handler, at which point the plug has + * already been removed from the socket. + */ + + g_object_get (object, "window", &window, NULL); + g_return_if_fail (window != NULL); + icon->priv->socket = NA_TRAY_CHILD (gtk_bin_get_child (GTK_BIN (window))); + g_object_unref (window); + + icon->priv->title = na_tray_child_get_title (icon->priv->socket); + na_tray_child_get_wm_class (icon->priv->socket, NULL, &icon->priv->wm_class); + + icon_app_window = gtk_socket_get_plug_window (GTK_SOCKET (icon->priv->socket)); + plug_xid = GDK_WINDOW_XID (icon_app_window); + + display = gtk_widget_get_display (GTK_WIDGET (icon->priv->socket)); + gdk_x11_display_error_trap_push (display); + _NET_WM_PID = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PID"); + result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), plug_xid, + _NET_WM_PID, 0, G_MAXLONG, False, XA_CARDINAL, + &type, &format, &nitems, + &bytes_after, (guchar **)&val); + if (!gdk_x11_display_error_trap_pop (display) && + result == Success && + type == XA_CARDINAL && + nitems == 1) + icon->priv->pid = *val; + + if (val) + XFree (val); +} + +static void +shell_tray_icon_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + ShellTrayIcon *icon = SHELL_TRAY_ICON (object); + + switch (prop_id) + { + case PROP_PID: + g_value_set_uint (value, icon->priv->pid); + break; + + case PROP_TITLE: + g_value_set_string (value, icon->priv->title); + break; + + case PROP_WM_CLASS: + g_value_set_string (value, icon->priv->wm_class); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +shell_tray_icon_class_init (ShellTrayIconClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = shell_tray_icon_get_property; + object_class->constructed = shell_tray_icon_constructed; + object_class->finalize = shell_tray_icon_finalize; + + g_object_class_install_property (object_class, + PROP_PID, + g_param_spec_uint ("pid", + "PID", + "The PID of the icon's application", + 0, G_MAXUINT, 0, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_TITLE, + g_param_spec_string ("title", + "Title", + "The icon's window title", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_WM_CLASS, + g_param_spec_string ("wm-class", + "WM Class", + "The icon's window WM_CLASS", + NULL, + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); +} + +static void +shell_tray_icon_init (ShellTrayIcon *icon) +{ + icon->priv = shell_tray_icon_get_instance_private (icon); +} + +/* + * Public API + */ +ClutterActor * +shell_tray_icon_new (ShellEmbeddedWindow *window) +{ + g_return_val_if_fail (SHELL_IS_EMBEDDED_WINDOW (window), NULL); + + return g_object_new (SHELL_TYPE_TRAY_ICON, + "window", window, + NULL); +} + +/** + * shell_tray_icon_click: + * @icon: a #ShellTrayIcon + * @event: the #ClutterEvent triggering the fake click + * + * Fakes a press and release on @icon. @event must be a + * %CLUTTER_BUTTON_RELEASE, %CLUTTER_KEY_PRESS or %CLUTTER_KEY_RELEASE event. + * Its relevant details will be passed on to the icon, but its + * coordinates will be ignored; the click is + * always made on the center of @icon. + */ +void +shell_tray_icon_click (ShellTrayIcon *icon, + ClutterEvent *event) +{ + XKeyEvent xkevent; + XButtonEvent xbevent; + XCrossingEvent xcevent; + GdkDisplay *display; + GdkWindow *remote_window; + GdkScreen *screen; + int x_root, y_root; + Display *xdisplay; + Window xwindow, xrootwindow; + ClutterEventType event_type = clutter_event_type (event); + + g_return_if_fail (event_type == CLUTTER_BUTTON_RELEASE || + event_type == CLUTTER_KEY_PRESS || + event_type == CLUTTER_KEY_RELEASE); + + remote_window = gtk_socket_get_plug_window (GTK_SOCKET (icon->priv->socket)); + if (remote_window == NULL) + { + g_warning ("shell tray: plug window is gone"); + return; + } + xdisplay = GDK_WINDOW_XDISPLAY (remote_window); + + display = gdk_x11_lookup_xdisplay (xdisplay); + gdk_x11_display_error_trap_push (display); + + xwindow = GDK_WINDOW_XID (remote_window); + screen = gdk_window_get_screen (remote_window); + xrootwindow = GDK_WINDOW_XID (gdk_screen_get_root_window (screen)); + gdk_window_get_origin (remote_window, &x_root, &y_root); + + + /* First make the icon believe the pointer is inside it */ + xcevent.type = EnterNotify; + xcevent.window = xwindow; + xcevent.root = xrootwindow; + xcevent.subwindow = None; + xcevent.time = clutter_event_get_time (event); + xcevent.x = gdk_window_get_width (remote_window) / 2; + xcevent.y = gdk_window_get_height (remote_window) / 2; + xcevent.x_root = x_root + xcevent.x; + xcevent.y_root = y_root + xcevent.y; + xcevent.mode = NotifyNormal; + xcevent.detail = NotifyNonlinear; + xcevent.same_screen = True; + XSendEvent (xdisplay, xwindow, False, 0, (XEvent *)&xcevent); + + /* Now do the click */ + if (event_type == CLUTTER_BUTTON_RELEASE) + { + xbevent.window = xwindow; + xbevent.root = xrootwindow; + xbevent.subwindow = None; + xbevent.time = xcevent.time; + xbevent.x = xcevent.x; + xbevent.y = xcevent.y; + xbevent.x_root = xcevent.x_root; + xbevent.y_root = xcevent.y_root; + xbevent.state = clutter_event_get_state (event); + xbevent.same_screen = True; + xbevent.type = ButtonPress; + xbevent.button = clutter_event_get_button (event); + XSendEvent (xdisplay, xwindow, False, 0, (XEvent *)&xbevent); + + xbevent.type = ButtonRelease; + XSendEvent (xdisplay, xwindow, False, 0, (XEvent *)&xbevent); + } + else + { + xkevent.window = xwindow; + xkevent.root = xrootwindow; + xkevent.subwindow = None; + xkevent.time = xcevent.time; + xkevent.x = xcevent.x; + xkevent.y = xcevent.y; + xkevent.x_root = xcevent.x_root; + xkevent.y_root = xcevent.y_root; + xkevent.state = clutter_event_get_state (event); + xkevent.same_screen = True; + xkevent.keycode = clutter_event_get_key_code (event); + + xkevent.type = KeyPress; + XSendEvent (xdisplay, xwindow, False, 0, (XEvent *)&xkevent); + + if (event_type == CLUTTER_KEY_RELEASE) + { + /* If the application takes a grab on KeyPress, we don't + * want to send it a KeyRelease. There's no good way of + * knowing whether a tray icon will take a grab, so just + * assume it does, and don't send the KeyRelease. That might + * make the tracking for key events messed up if it doesn't take + * a grab, but the tray icon won't get key focus in normal cases, + * so let's hope this isn't too damaging... + */ + xkevent.type = KeyRelease; + XSendEvent (xdisplay, xwindow, False, 0, (XEvent *)&xkevent); + } + } + + /* And move the pointer back out */ + xcevent.type = LeaveNotify; + XSendEvent (xdisplay, xwindow, False, 0, (XEvent *)&xcevent); + + gdk_x11_display_error_trap_pop_ignored (display); +} |