Adding upstream version 43.9.upstream/43.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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);
+}