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gnome-shell/src/shell-tray-icon.c
Florian Müllner 294702d3f1 shell: Use G_DECLARE_*_TYPE macros 
Cut down on boilerplate by using the (no longer that) new helper
macros. We don't care about breaking ABI in private libraries, so
use G_DECLARE_FINAL_TYPE even where the class struct used to be
exposed in the header, except for types we inherit from ourselves
(obviously) or where the class exposes any vfuncs (where changes
could affect inheritance in extensions).
2015-10-15 22:58:28 +02:00

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/* -*- 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_error_trap_push ();
_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_error_trap_pop () &&
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_object_class_install_property (object_class,
PROP_TITLE,
g_param_spec_string ("title",
"Title",
"The icon's window title",
NULL,
G_PARAM_READABLE));
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));
}
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;
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);
gdk_error_trap_push ();
remote_window = gtk_socket_get_plug_window (GTK_SOCKET (icon->priv->socket));
xwindow = GDK_WINDOW_XID (remote_window);
xdisplay = GDK_WINDOW_XDISPLAY (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_error_trap_pop_ignored ();
}
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