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remote-desktop: Add support for discovering supported device types

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This is so that application will not try to send touch events when
touch is not supported.
This commit is contained in:
Jonas Ådahl 2018-01-29 14:51:01 +08:00
parent 03a12f9458
commit 8dd377da38
2 changed files with 45 additions and 0 deletions
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34
src/backends/meta-remote-desktop.c
View File

@ -43,6 +43,14 @@
#define META_REMOTE_DESKTOP_DBUS_SERVICE "org.gnome.Mutter.RemoteDesktop"
#define META_REMOTE_DESKTOP_DBUS_PATH "/org/gnome/Mutter/RemoteDesktop"
typedef enum _MetaRemoteDesktopDeviceTypes
{
META_REMOTE_DESKTOP_DEVICE_TYPE_NONE = 0,
META_REMOTE_DESKTOP_DEVICE_TYPE_KEYBOARD = 1 << 0,
META_REMOTE_DESKTOP_DEVICE_TYPE_POINTER = 1 << 1,
META_REMOTE_DESKTOP_DEVICE_TYPE_TOUCHSCREEN = 1 << 2,
} MetaRemoteDesktopDeviceTypes;
struct _MetaRemoteDesktop
{
MetaDBusRemoteDesktopSkeleton parent;
@ -224,10 +232,36 @@ meta_remote_desktop_new (MetaDbusSessionWatcher *session_watcher)
return remote_desktop;
}
static MetaRemoteDesktopDeviceTypes
calculate_supported_device_types (void)
{
ClutterDeviceManager *device_manager =
clutter_device_manager_get_default ();
ClutterVirtualDeviceType device_types;
MetaRemoteDesktopDeviceTypes supported_devices =
META_REMOTE_DESKTOP_DEVICE_TYPE_NONE;
device_types =
clutter_device_manager_get_supported_virtual_device_types (device_manager);
if (device_types & CLUTTER_VIRTUAL_DEVICE_TYPE_KEYBOARD)
supported_devices |= META_REMOTE_DESKTOP_DEVICE_TYPE_KEYBOARD;
if (device_types & CLUTTER_VIRTUAL_DEVICE_TYPE_POINTER)
supported_devices |= META_REMOTE_DESKTOP_DEVICE_TYPE_POINTER;
if (device_types & CLUTTER_VIRTUAL_DEVICE_TYPE_TOUCHSCREEN)
supported_devices |= META_REMOTE_DESKTOP_DEVICE_TYPE_TOUCHSCREEN;
return supported_devices;
}
static void
meta_remote_desktop_init (MetaRemoteDesktop *remote_desktop)
{
remote_desktop->sessions = g_hash_table_new (g_str_hash, g_str_equal);
meta_dbus_remote_desktop_set_supported_device_types (
META_DBUS_REMOTE_DESKTOP (remote_desktop),
calculate_supported_device_types ());
}
static void

11
src/org.gnome.Mutter.RemoteDesktop.xml
View File

@ -17,6 +17,17 @@
<arg name="session_path" type="o" direction="out" />
</method>
<!--
SupportedDeviceTypes:
@short_description: Bit mask of supported device types
Device types:
1: keyboard
2: pointer
4: touchscreen
-->
<property name="SupportedDeviceTypes" type="u" access="read" />
</interface>
<!--