From 4cb9a5e3bfc1b9b647026d86aa1e3cffffc8e98b Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Sun, 3 Jul 2011 18:19:05 +0200
Subject: [PATCH] core: Add meta_device_keyboard_[gs]et_focus_window()

These functions are meant to replace X[GS]etInputFocus() calls across
the core.
---
 src/core/device-keyboard.c | 30 ++++++++++++++++++++++++++++++
 src/core/device-keyboard.h | 10 ++++++++++
 src/core/devices-core.c    | 31 +++++++++++++++++++++++++++++++
 src/core/devices-xi2.c     | 33 +++++++++++++++++++++++++++++++++
 4 files changed, 104 insertions(+)

diff --git a/src/core/device-keyboard.c b/src/core/device-keyboard.c
index ce16cbb1e..f33c1d286 100644
--- a/src/core/device-keyboard.c
+++ b/src/core/device-keyboard.c
@@ -37,3 +37,33 @@ static void
 meta_device_keyboard_init (MetaDeviceKeyboard *keyboard)
 {
 }
+
+Window
+meta_device_keyboard_get_focus_window (MetaDeviceKeyboard *keyboard)
+{
+  MetaDeviceKeyboardClass *klass;
+
+  g_return_val_if_fail (META_IS_DEVICE_KEYBOARD (keyboard), None);
+
+  klass = META_DEVICE_KEYBOARD_GET_CLASS (keyboard);
+
+  if (!klass->get_focus_window)
+    return None;
+
+  return (klass->get_focus_window) (keyboard);
+}
+
+void
+meta_device_keyboard_set_focus_window (MetaDeviceKeyboard *keyboard,
+                                       Window              xwindow,
+                                       Time                timestamp)
+{
+  MetaDeviceKeyboardClass *klass;
+
+  g_return_if_fail (META_IS_DEVICE_KEYBOARD (keyboard));
+
+  klass = META_DEVICE_KEYBOARD_GET_CLASS (keyboard);
+
+  if (klass->set_focus_window)
+    (klass->set_focus_window) (keyboard, xwindow, timestamp);
+}
diff --git a/src/core/device-keyboard.h b/src/core/device-keyboard.h
index b811a4aa8..8fb0972bc 100644
--- a/src/core/device-keyboard.h
+++ b/src/core/device-keyboard.h
@@ -51,9 +51,19 @@ struct _MetaDeviceKeyboard
 struct _MetaDeviceKeyboardClass
 {
   MetaDeviceClass parent_instance;
+
+  Window (* get_focus_window) (MetaDeviceKeyboard *keyboard);
+  void   (* set_focus_window) (MetaDeviceKeyboard *keyboard,
+                               Window              xwindow,
+                               Time                timestamp);
 };
 
 GType    meta_device_keyboard_get_type   (void) G_GNUC_CONST;
 
+Window   meta_device_keyboard_get_focus_window (MetaDeviceKeyboard *keyboard);
+void     meta_device_keyboard_set_focus_window (MetaDeviceKeyboard *keyboard,
+                                                Window              xwindow,
+                                                Time                timestamp);
+
 
 #endif /* META_DEVICE_KEYBOARD_H */
diff --git a/src/core/devices-core.c b/src/core/devices-core.c
index d4ad7cf4b..6848dc8c9 100644
--- a/src/core/devices-core.c
+++ b/src/core/devices-core.c
@@ -200,11 +200,42 @@ meta_device_keyboard_core_ungrab (MetaDevice *device,
   XUngrabKeyboard (display->xdisplay, time);
 }
 
+static Window
+meta_device_keyboard_core_get_focus_window (MetaDeviceKeyboard *keyboard)
+{
+  MetaDisplay *display;
+  Window xwindow;
+  int unused;
+
+  display = meta_device_get_display (META_DEVICE (keyboard));
+  XGetInputFocus (display->xdisplay, &xwindow, &unused);
+
+  return xwindow;
+}
+
+static void
+meta_device_keyboard_core_set_focus_window (MetaDeviceKeyboard *keyboard,
+                                            Window              xwindow,
+                                            Time                timestamp)
+{
+  MetaDisplay *display;
+
+  display = meta_device_get_display (META_DEVICE (keyboard));
+  XSetInputFocus (display->xdisplay,
+                  xwindow,
+                  RevertToPointerRoot,
+                  timestamp);
+}
+
 static void
 meta_device_keyboard_core_class_init (MetaDeviceKeyboardCoreClass *klass)
 {
+  MetaDeviceKeyboardClass *keyboard_class = META_DEVICE_KEYBOARD_CLASS (klass);
   MetaDeviceClass *device_class = META_DEVICE_CLASS (klass);
 
+  keyboard_class->get_focus_window = meta_device_keyboard_core_get_focus_window;
+  keyboard_class->set_focus_window = meta_device_keyboard_core_set_focus_window;
+
   device_class->allow_events = meta_device_core_common_allow_events;
   device_class->grab = meta_device_keyboard_core_grab;
   device_class->ungrab = meta_device_keyboard_core_ungrab;
diff --git a/src/core/devices-xi2.c b/src/core/devices-xi2.c
index f50d205e7..ab2f68d4a 100644
--- a/src/core/devices-xi2.c
+++ b/src/core/devices-xi2.c
@@ -281,11 +281,44 @@ G_DEFINE_TYPE (MetaDeviceKeyboardXI2,
                meta_device_keyboard_xi2,
                META_TYPE_DEVICE_KEYBOARD)
 
+static Window
+meta_device_keyboard_xi2_get_focus_window (MetaDeviceKeyboard *keyboard)
+{
+  MetaDisplay *display;
+  Window xwindow;
+
+  display = meta_device_get_display (META_DEVICE (keyboard));
+  XIGetFocus (display->xdisplay,
+              meta_device_get_id (META_DEVICE (keyboard)),
+              &xwindow);
+
+  return xwindow;
+}
+
+static void
+meta_device_keyboard_xi2_set_focus_window (MetaDeviceKeyboard *keyboard,
+                                           Window              xwindow,
+                                           Time                timestamp)
+{
+  MetaDisplay *display;
+
+  display = meta_device_get_display (META_DEVICE (keyboard));
+
+  XISetFocus (display->xdisplay,
+              meta_device_get_id (META_DEVICE (keyboard)),
+              xwindow,
+              timestamp);
+}
+
 static void
 meta_device_keyboard_xi2_class_init (MetaDeviceKeyboardXI2Class *klass)
 {
+  MetaDeviceKeyboardClass *keyboard_class = META_DEVICE_KEYBOARD_CLASS (klass);
   MetaDeviceClass *device_class = META_DEVICE_CLASS (klass);
 
+  keyboard_class->get_focus_window = meta_device_keyboard_xi2_get_focus_window;
+  keyboard_class->set_focus_window = meta_device_keyboard_xi2_set_focus_window;
+
   device_class->allow_events = meta_device_xi2_common_allow_events;
   device_class->grab = meta_device_xi2_common_grab;
   device_class->ungrab = meta_device_xi2_common_ungrab;