Gdk: add an experimental backend for mir

This is disabled by default.  Enable with --enable-mir-backend.

This backend is a combined work of Robert Ancell and Ryan Lortie.

gdk/mir/gdkmirdevicemanager.c

@@ -0,0 +1,120 @@
+/*
+ * Copyright © 2014 Canonical Ltd
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "gdkdevicemanagerprivate.h"
+#include "gdkdisplayprivate.h"
+#include "gdkdeviceprivate.h"
+
+#include "gdkmir.h"
+#include "gdkmir-private.h"
+
+typedef struct GdkMirDeviceManager      GdkMirDeviceManager;
+typedef struct GdkMirDeviceManagerClass GdkMirDeviceManagerClass;
+
+#define GDK_TYPE_MIR_DEVICE_MANAGER              (gdk_mir_device_manager_get_type ())
+#define GDK_MIR_DEVICE_MANAGER(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_MIR_DEVICE_MANAGER, GdkMirDeviceManager))
+#define GDK_MIR_DEVICE_MANAGER_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_MIR_DEVICE_MANAGER, GdkMirDeviceManagerClass))
+#define GDK_IS_MIR_DEVICE_MANAGER(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_MIR_DEVICE_MANAGER))
+#define GDK_IS_MIR_DEVICE_MANAGER_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_MIR_DEVICE_MANAGER))
+#define GDK_MIR_DEVICE_MANAGER_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_MIR_DEVICE_MANAGER, GdkMirDeviceManagerClass))
+
+struct GdkMirDeviceManager
+{
+  GdkDeviceManager parent_instance;
+
+  GdkDevice *pointer;
+  GdkDevice *keyboard;
+};
+
+struct GdkMirDeviceManagerClass
+{
+  GdkDeviceManagerClass parent_class;
+};
+
+G_DEFINE_TYPE (GdkMirDeviceManager, gdk_mir_device_manager, GDK_TYPE_DEVICE_MANAGER)
+
+GdkDeviceManager *
+_gdk_mir_device_manager_new (GdkDisplay *display)
+{
+  return g_object_new (GDK_TYPE_MIR_DEVICE_MANAGER, "display", display, NULL);
+}
+
+static GList *
+gdk_mir_device_manager_list_devices (GdkDeviceManager *device_manager,
+                                     GdkDeviceType     type)
+{
+  //g_printerr ("gdk_mir_device_manager_list_devices (%u)\n", type);
+  GdkMirDeviceManager *dm = GDK_MIR_DEVICE_MANAGER (device_manager);
+
+  if (type == GDK_DEVICE_TYPE_MASTER)
+    {
+      GList *devices;
+
+      devices = g_list_append (NULL, dm->keyboard);
+      devices = g_list_append (devices, dm->pointer);
+
+      return devices;
+    }
+
+  return NULL;
+}
+
+static GdkDevice *
+gdk_mir_device_manager_get_client_pointer (GdkDeviceManager *device_manager)
+{
+  //g_printerr ("gdk_mir_device_manager_get_client_pointer\n");
+  return GDK_MIR_DEVICE_MANAGER (device_manager)->pointer;
+}
+
+GdkDevice *
+_gdk_mir_device_manager_get_keyboard (GdkDeviceManager *device_manager)
+{
+  return GDK_MIR_DEVICE_MANAGER (device_manager)->keyboard;
+}
+
+static void
+gdk_mir_device_manager_init (GdkMirDeviceManager *device_manager)
+{
+}
+
+static void
+gdk_mir_device_manager_constructed (GObject *object)
+{
+  GdkMirDeviceManager *device_manager = GDK_MIR_DEVICE_MANAGER (object);
+
+  device_manager->keyboard = _gdk_mir_keyboard_new (GDK_DEVICE_MANAGER (device_manager), "Mir Keyboard");
+  device_manager->pointer = _gdk_mir_pointer_new (GDK_DEVICE_MANAGER (device_manager), "Mir Pointer");
+  _gdk_device_set_associated_device (device_manager->keyboard, device_manager->pointer);
+  _gdk_device_set_associated_device (device_manager->pointer, device_manager->keyboard);
+
+  gdk_device_manager_get_display (GDK_DEVICE_MANAGER (device_manager))->core_pointer = device_manager->pointer;
+
+  G_OBJECT_CLASS (gdk_mir_device_manager_parent_class)->constructed (object);
+}
+
+static void
+gdk_mir_device_manager_class_init (GdkMirDeviceManagerClass *klass)
+{
+  GdkDeviceManagerClass *device_manager_class = GDK_DEVICE_MANAGER_CLASS (klass);
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  device_manager_class->list_devices = gdk_mir_device_manager_list_devices;
+  device_manager_class->get_client_pointer = gdk_mir_device_manager_get_client_pointer;
+  object_class->constructed = gdk_mir_device_manager_constructed;
+}