[mutter/wip/xinput2: 18/49] core: Add core devices implementation

[Carlos Garnacho <carlosg src gnome org>]

commit a727114ac25f4c6888c2fe21e78844e0746e6952
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Jun 11 21:25:05 2011 +0200

    core: Add core devices implementation

 src/Makefile.am         |    2 +
 src/core/devices-core.c |  224 +++++++++++++++++++++++++++++++++++++++++++++++
 src/core/devices-core.h |   90 +++++++++++++++++++
 3 files changed, 316 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index a8e92f6..829f67e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -81,6 +81,8 @@ libmutter_la_SOURCES =				\
 	core/device-keyboard.h			\
 	core/device-pointer.c			\
 	core/device-pointer.h			\
+	core/devices-core.c			\
+	core/devices-core.h			\
 	core/display.c				\
 	core/display-private.h			\
 	meta/display.h				\
diff --git a/src/core/devices-core.c b/src/core/devices-core.c
new file mode 100644
index 0000000..755d40c
--- /dev/null
+++ b/src/core/devices-core.c
@@ -0,0 +1,224 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Core input devices implementation */
+
+/*
+ * Copyright (C) 2011 Carlos Garnacho
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include <config.h>
+#include "screen-private.h"
+#include "devices-core.h"
+
+/* Common functions */
+static void
+meta_device_core_common_allow_events (MetaDevice *device,
+                                      int         mode,
+                                      Time        time)
+{
+  MetaDisplay *display;
+
+  display = meta_device_get_display (device);
+  XAllowEvents (display->xdisplay, mode, time);
+}
+
+/* Core pointer */
+
+G_DEFINE_TYPE (MetaDevicePointerCore,
+               meta_device_pointer_core,
+               META_TYPE_DEVICE_POINTER)
+
+static gboolean
+meta_device_pointer_core_grab (MetaDevice *device,
+                               Window      xwindow,
+                               guint       evmask,
+                               MetaCursor  cursor,
+                               gboolean    owner_events,
+                               gboolean    sync,
+                               Time        time)
+{
+  MetaDisplay *display;
+  Cursor xcursor;
+  int retval;
+
+  display = meta_device_get_display (device);
+  xcursor = meta_display_create_x_cursor (display, cursor);
+
+  retval = XGrabPointer (display->xdisplay,
+                         xwindow, owner_events,
+                         evmask,
+                         (sync) ? GrabModeSync : GrabModeAsync,
+                         (sync) ? GrabModeSync : GrabModeAsync,
+                         None, xcursor, time);
+
+  if (xcursor != None)
+    XFreeCursor (display->xdisplay, xcursor);
+
+  return (retval == Success);
+}
+
+static void
+meta_device_pointer_core_ungrab (MetaDevice *device,
+                                 Time        time)
+{
+  MetaDisplay *display;
+
+  display = meta_device_get_display (device);
+  XUngrabPointer (display->xdisplay, time);
+}
+
+static void
+meta_device_pointer_core_warp (MetaDevicePointer *pointer,
+                               MetaScreen        *screen,
+                               gint               x,
+                               gint               y)
+{
+  MetaDisplay *display;
+
+  display = meta_device_get_display (META_DEVICE (pointer));
+  XWarpPointer (display->xdisplay,
+                None, screen->xroot,
+                0, 0, 0, 0, x, y);
+}
+
+static void
+meta_device_pointer_core_set_window_cursor (MetaDevicePointer *pointer,
+                                            Window             xwindow,
+                                            MetaCursor         cursor)
+{
+  MetaDisplay *display;
+  Cursor xcursor;
+
+  display = meta_device_get_display (META_DEVICE (pointer));
+  xcursor = meta_display_create_x_cursor (display, cursor);
+
+  XDefineCursor (display->xdisplay, xwindow, xcursor);
+
+  if (xcursor != None)
+    XFreeCursor (display->xdisplay, xcursor);
+}
+
+static void
+meta_device_pointer_core_query_position (MetaDevicePointer *pointer,
+                                         Window             xwindow,
+                                         Window            *root,
+                                         Window            *child,
+                                         gint              *root_x,
+                                         gint              *root_y,
+                                         gint              *x,
+                                         gint              *y,
+                                         guint             *mask)
+{
+  MetaDisplay *display;
+
+  display = meta_device_get_display (META_DEVICE (pointer));
+  XQueryPointer (display->xdisplay, xwindow,
+                 root, child, root_x, root_y,
+                 x, y, mask);
+}
+
+static void
+meta_device_pointer_core_class_init (MetaDevicePointerCoreClass *klass)
+{
+  MetaDevicePointerClass *pointer_class = META_DEVICE_POINTER_CLASS (klass);
+  MetaDeviceClass *device_class = META_DEVICE_CLASS (klass);
+
+  device_class->allow_events = meta_device_core_common_allow_events;
+  device_class->grab = meta_device_pointer_core_grab;
+  device_class->ungrab = meta_device_pointer_core_ungrab;
+
+  pointer_class->warp = meta_device_pointer_core_warp;
+  pointer_class->set_window_cursor = meta_device_pointer_core_set_window_cursor;
+  pointer_class->query_position = meta_device_pointer_core_query_position;
+}
+
+static void
+meta_device_pointer_core_init (MetaDevicePointerCore *pointer)
+{
+}
+
+MetaDevice *
+meta_device_pointer_core_new (MetaDisplay *display)
+{
+  return g_object_new (META_TYPE_DEVICE_POINTER_CORE,
+                       "device-id", META_CORE_POINTER_ID,
+                       "display", display,
+                       NULL);
+}
+
+
+/* Core Keyboard */
+
+G_DEFINE_TYPE (MetaDeviceKeyboardCore,
+               meta_device_keyboard_core,
+               META_TYPE_DEVICE_KEYBOARD)
+
+static gboolean
+meta_device_keyboard_core_grab (MetaDevice *device,
+                                Window      xwindow,
+                                guint       evmask,
+                                MetaCursor  cursor,
+                                gboolean    owner_events,
+                                gboolean    sync,
+                                Time        time)
+{
+  MetaDisplay *display;
+  gint retval;
+
+  display = meta_device_get_display (device);
+  retval = XGrabKeyboard (display->xdisplay, xwindow, owner_events,
+                          (sync) ? GrabModeSync : GrabModeAsync,
+                          (sync) ? GrabModeSync : GrabModeAsync,
+                          time);
+
+  return (retval == Success);
+}
+
+static void
+meta_device_keyboard_core_ungrab (MetaDevice *device,
+                                  Time        time)
+{
+  MetaDisplay *display;
+
+  display = meta_device_get_display (device);
+  XUngrabKeyboard (display->xdisplay, time);
+}
+
+static void
+meta_device_keyboard_core_class_init (MetaDeviceKeyboardCoreClass *klass)
+{
+  MetaDeviceClass *device_class = META_DEVICE_CLASS (klass);
+
+  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;
+}
+
+static void
+meta_device_keyboard_core_init (MetaDeviceKeyboardCore *keyboard)
+{
+}
+
+MetaDevice *
+meta_device_keyboard_core_new (MetaDisplay *display)
+{
+  return g_object_new (META_TYPE_DEVICE_KEYBOARD_CORE,
+                       "device-id", META_CORE_KEYBOARD_ID,
+                       "display", display,
+                       NULL);
+}
diff --git a/src/core/devices-core.h b/src/core/devices-core.h
new file mode 100644
index 0000000..bdb938f
--- /dev/null
+++ b/src/core/devices-core.h
@@ -0,0 +1,90 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/**
+ * \file devices-core.h  Core input devices implementation
+ *
+ * Input devices.
+ * This file contains the core X protocol implementation of input devices.
+ */
+
+/*
+ * Copyright (C) 2011 Carlos Garnacho
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifndef META_DEVICES_CORE_H
+#define META_DEVICES_CORE_H
+
+#include "device-pointer.h"
+#include "device-keyboard.h"
+
+/* These IDs are the same than those of the
+ * VCP/VCK in XInput2, to keep consistency */
+#define META_CORE_POINTER_ID  2
+#define META_CORE_KEYBOARD_ID 3
+
+/* Pointer */
+#define META_TYPE_DEVICE_POINTER_CORE            (meta_device_pointer_core_get_type ())
+#define META_DEVICE_POINTER_CORE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_DEVICE_POINTER_CORE, MetaDevicePointerCore))
+#define META_DEVICE_POINTER_CORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  META_TYPE_DEVICE_POINTER_CORE, MetaDevicePointerCoreClass))
+#define META_IS_DEVICE_POINTER_CORE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_DEVICE_POINTER_CORE))
+#define META_IS_DEVICE_POINTER_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  META_TYPE_DEVICE_POINTER_CORE))
+#define META_DEVICE_POINTER_CORE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  META_TYPE_DEVICE_POINTER_CORE, MetaDevicePointerCoreClass))
+
+typedef struct _MetaDevicePointerCore MetaDevicePointerCore;
+typedef struct _MetaDevicePointerCoreClass MetaDevicePointerCoreClass;
+
+struct _MetaDevicePointerCore
+{
+  MetaDevicePointer parent_instance;
+};
+
+struct _MetaDevicePointerCoreClass
+{
+  MetaDevicePointerClass parent_class;
+};
+
+GType       meta_device_pointer_core_get_type (void) G_GNUC_CONST;
+
+MetaDevice *meta_device_pointer_core_new      (MetaDisplay *display);
+
+/* Keyboard */
+#define META_TYPE_DEVICE_KEYBOARD_CORE            (meta_device_keyboard_core_get_type ())
+#define META_DEVICE_KEYBOARD_CORE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_DEVICE_KEYBOARD_CORE, MetaDeviceKeyboardCore))
+#define META_DEVICE_KEYBOARD_CORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  META_TYPE_DEVICE_KEYBOARD_CORE, MetaDeviceKeyboardCoreClass))
+#define META_IS_DEVICE_KEYBOARD_CORE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_DEVICE_KEYBOARD_CORE))
+#define META_IS_DEVICE_KEYBOARD_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  META_TYPE_DEVICE_KEYBOARD_CORE))
+#define META_DEVICE_KEYBOARD_CORE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  META_TYPE_DEVICE_KEYBOARD_CORE, MetaDeviceKeyboardCoreClass))
+
+typedef struct _MetaDeviceKeyboardCore MetaDeviceKeyboardCore;
+typedef struct _MetaDeviceKeyboardCoreClass MetaDeviceKeyboardCoreClass;
+
+struct _MetaDeviceKeyboardCore
+{
+  MetaDeviceKeyboard parent_instance;
+};
+
+struct _MetaDeviceKeyboardCoreClass
+{
+  MetaDeviceKeyboardClass parent_class;
+};
+
+GType       meta_device_keyboard_core_get_type (void) G_GNUC_CONST;
+
+MetaDevice *meta_device_keyboard_core_new      (MetaDisplay *display);
+
+#endif /* META_DEVICES_CORE_H */