[mutter] clutter/device-manager: Add way to check virtual device support

[Jonas Ådahl <jadahl src gnome org>]

commit a1517cae1cef7267886e9f197cf81c5abfd46c03
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Jan 29 14:23:39 2018 +0800

    clutter/device-manager: Add way to check virtual device support
    
    This is needed so that mutter can let applications using the remote
    desktop API to know whether touch screens are supported.

 clutter/clutter/clutter-device-manager.c              | 15 +++++++++++++++
 clutter/clutter/clutter-device-manager.h              | 14 ++++++++++++++
 clutter/clutter/evdev/clutter-device-manager-evdev.c  |  9 +++++++++
 clutter/clutter/x11/clutter-device-manager-core-x11.c |  8 ++++++++
 clutter/clutter/x11/clutter-device-manager-xi2.c      |  8 ++++++++
 5 files changed, 54 insertions(+)
---
diff --git a/clutter/clutter/clutter-device-manager.c b/clutter/clutter/clutter-device-manager.c
index cc8007aac..20ef03388 100644
--- a/clutter/clutter/clutter-device-manager.c
+++ b/clutter/clutter/clutter-device-manager.c
@@ -516,6 +516,21 @@ clutter_device_manager_create_virtual_device (ClutterDeviceManager   *device_man
                                                device_type);
 }
 
+/**
+ * clutter_device_manager_supported_virtua_device_types: (skip)
+ */
+ClutterVirtualDeviceType
+clutter_device_manager_get_supported_virtual_device_types (ClutterDeviceManager *device_manager)
+{
+  ClutterDeviceManagerClass *manager_class;
+
+  g_return_val_if_fail (CLUTTER_IS_DEVICE_MANAGER (device_manager),
+                        CLUTTER_VIRTUAL_DEVICE_TYPE_NONE);
+
+  manager_class = CLUTTER_DEVICE_MANAGER_GET_CLASS (device_manager);
+  return manager_class->get_supported_virtual_device_types (device_manager);
+}
+
 void
 _clutter_device_manager_compress_motion (ClutterDeviceManager *device_manager,
                                          ClutterEvent         *event,
diff --git a/clutter/clutter/clutter-device-manager.h b/clutter/clutter/clutter-device-manager.h
index 2a152c932..aebfc4b5d 100644
--- a/clutter/clutter/clutter-device-manager.h
+++ b/clutter/clutter/clutter-device-manager.h
@@ -44,6 +44,16 @@ typedef struct _ClutterDeviceManager            ClutterDeviceManager;
 typedef struct _ClutterDeviceManagerPrivate     ClutterDeviceManagerPrivate;
 typedef struct _ClutterDeviceManagerClass       ClutterDeviceManagerClass;
 
+/**
+ * ClutterVirtualDeviceType:
+ */
+typedef enum _ClutterVirtualDeviceType
+{
+  CLUTTER_VIRTUAL_DEVICE_TYPE_NONE = 0,
+  CLUTTER_VIRTUAL_DEVICE_TYPE_KEYBOARD = 1 << 0,
+  CLUTTER_VIRTUAL_DEVICE_TYPE_POINTER = 1 << 1,
+  CLUTTER_VIRTUAL_DEVICE_TYPE_TOUCHSCREEN = 1 << 2,
+} ClutterVirtualDeviceType;
 
 /**
  * ClutterKbdA11ySettings:
@@ -104,6 +114,7 @@ struct _ClutterDeviceManagerClass
                                                ClutterStage       *stage);
   ClutterVirtualInputDevice *(* create_virtual_device) (ClutterDeviceManager  *device_manager,
                                                         ClutterInputDeviceType device_type);
+  ClutterVirtualDeviceType (* get_supported_virtual_device_types) (ClutterDeviceManager *device_manager);
   void                (* compress_motion) (ClutterDeviceManager *device_manger,
                                            ClutterEvent         *event,
                                            const ClutterEvent   *to_discard);
@@ -135,6 +146,9 @@ CLUTTER_AVAILABLE_IN_ALL
 ClutterVirtualInputDevice *clutter_device_manager_create_virtual_device (ClutterDeviceManager  
*device_manager,
                                                                          ClutterInputDeviceType device_type);
 
+CLUTTER_AVAILABLE_IN_ALL
+ClutterVirtualDeviceType clutter_device_manager_get_supported_virtual_device_types (ClutterDeviceManager 
*device_manager);
+
 CLUTTER_AVAILABLE_IN_ALL
 void clutter_device_manager_set_kbd_a11y_settings (ClutterDeviceManager   *device_manager,
                                                    ClutterKbdA11ySettings *settings);
diff --git a/clutter/clutter/evdev/clutter-device-manager-evdev.c 
b/clutter/clutter/evdev/clutter-device-manager-evdev.c
index 161c90524..bc9549de9 100644
--- a/clutter/clutter/evdev/clutter-device-manager-evdev.c
+++ b/clutter/clutter/evdev/clutter-device-manager-evdev.c
@@ -1866,6 +1866,14 @@ clutter_device_manager_evdev_create_virtual_device (ClutterDeviceManager  *manag
                        NULL);
 }
 
+static ClutterVirtualDeviceType
+clutter_device_manager_evdev_get_supported_virtual_device_types (ClutterDeviceManager *device_manager)
+{
+  return (CLUTTER_VIRTUAL_DEVICE_TYPE_KEYBOARD |
+          CLUTTER_VIRTUAL_DEVICE_TYPE_POINTER |
+          CLUTTER_VIRTUAL_DEVICE_TYPE_TOUCHSCREEN);
+}
+
 static void
 clutter_device_manager_evdev_compress_motion (ClutterDeviceManager *device_manger,
                                               ClutterEvent         *event,
@@ -2044,6 +2052,7 @@ clutter_device_manager_evdev_class_init (ClutterDeviceManagerEvdevClass *klass)
   manager_class->get_core_device = clutter_device_manager_evdev_get_core_device;
   manager_class->get_device = clutter_device_manager_evdev_get_device;
   manager_class->create_virtual_device = clutter_device_manager_evdev_create_virtual_device;
+  manager_class->get_supported_virtual_device_types = 
clutter_device_manager_evdev_get_supported_virtual_device_types;
   manager_class->compress_motion = clutter_device_manager_evdev_compress_motion;
   manager_class->apply_kbd_a11y_settings = clutter_device_manager_evdev_apply_kbd_a11y_settings;
 }
diff --git a/clutter/clutter/x11/clutter-device-manager-core-x11.c 
b/clutter/clutter/x11/clutter-device-manager-core-x11.c
index baad58c99..34178c1ad 100644
--- a/clutter/clutter/x11/clutter-device-manager-core-x11.c
+++ b/clutter/clutter/x11/clutter-device-manager-core-x11.c
@@ -490,6 +490,13 @@ clutter_device_manager_x11_create_virtual_device (ClutterDeviceManager  *device_
   return g_object_new (CLUTTER_TYPE_VIRTUAL_INPUT_DEVICE_X11, NULL);
 }
 
+static ClutterVirtualDeviceType
+clutter_device_manager_x11_get_supported_virtual_device_types (ClutterDeviceManager *device_manager)
+{
+  return (CLUTTER_VIRTUAL_DEVICE_TYPE_KEYBOARD |
+          CLUTTER_VIRTUAL_DEVICE_TYPE_POINTER);
+}
+
 static void
 clutter_device_manager_x11_set_property (GObject      *gobject,
                                          guint         prop_id,
@@ -537,6 +544,7 @@ clutter_device_manager_x11_class_init (ClutterDeviceManagerX11Class *klass)
   manager_class->get_core_device = clutter_device_manager_x11_get_core_device;
   manager_class->get_device = clutter_device_manager_x11_get_device;
   manager_class->create_virtual_device = clutter_device_manager_x11_create_virtual_device;
+  manager_class->get_supported_virtual_device_types = 
clutter_device_manager_x11_get_supported_virtual_device_types;
   manager_class->apply_kbd_a11y_settings = clutter_device_manager_x11_apply_kbd_a11y_settings;
 }
 
diff --git a/clutter/clutter/x11/clutter-device-manager-xi2.c 
b/clutter/clutter/x11/clutter-device-manager-xi2.c
index d2610cc26..01ecd5cc2 100644
--- a/clutter/clutter/x11/clutter-device-manager-xi2.c
+++ b/clutter/clutter/x11/clutter-device-manager-xi2.c
@@ -2024,6 +2024,13 @@ clutter_device_manager_xi2_create_virtual_device (ClutterDeviceManager   *manage
                        NULL);
 }
 
+static ClutterVirtualDeviceType
+clutter_device_manager_xi2_get_supported_virtual_device_types (ClutterDeviceManager *device_manager)
+{
+  return (CLUTTER_VIRTUAL_DEVICE_TYPE_KEYBOARD |
+          CLUTTER_VIRTUAL_DEVICE_TYPE_POINTER);
+}
+
 static void
 clutter_device_manager_xi2_class_init (ClutterDeviceManagerXI2Class *klass)
 {
@@ -2052,6 +2059,7 @@ clutter_device_manager_xi2_class_init (ClutterDeviceManagerXI2Class *klass)
   manager_class->get_device = clutter_device_manager_xi2_get_device;
   manager_class->select_stage_events = clutter_device_manager_xi2_select_stage_events;
   manager_class->create_virtual_device = clutter_device_manager_xi2_create_virtual_device;
+  manager_class->get_supported_virtual_device_types = 
clutter_device_manager_xi2_get_supported_virtual_device_types;
   manager_class->apply_kbd_a11y_settings = clutter_device_manager_x11_apply_kbd_a11y_settings;
 }