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remote-desktop: Add touch screen event support

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This commit is contained in:
Jonas Ådahl 2018-01-29 14:44:03 +08:00
parent 061f69f2a2
commit 03a12f9458
2 changed files with 168 additions and 0 deletions
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135
src/backends/meta-remote-desktop-session.c
View File

@ -58,6 +58,7 @@ struct _MetaRemoteDesktopSession
ClutterVirtualInputDevice *virtual_pointer;
ClutterVirtualInputDevice *virtual_keyboard;
ClutterVirtualInputDevice *virtual_touchscreen;
};
static void
@ -102,6 +103,10 @@ meta_remote_desktop_session_start (MetaRemoteDesktopSession *session,
clutter_device_manager_create_virtual_device (device_manager,
CLUTTER_KEYBOARD_DEVICE);
session->virtual_touchscreen =
clutter_device_manager_create_virtual_device (device_manager,
CLUTTER_TOUCHSCREEN_DEVICE);
return TRUE;
}
@ -561,6 +566,133 @@ handle_notify_pointer_motion_absolute (MetaDBusRemoteDesktopSession *skeleton,
return TRUE;
}
static gboolean
handle_notify_touch_down (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
const char *stream_path,
unsigned int slot,
double x,
double y)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
MetaScreenCastStream *stream;
double abs_x, abs_y;
if (!check_permission (session, invocation))
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_ACCESS_DENIED,
"Permission denied");
return TRUE;
}
if (!session->screen_cast_session)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"No screen cast active");
return TRUE;
}
stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
stream_path);
if (!stream)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Unknown stream");
return TRUE;
}
meta_screen_cast_stream_transform_position (stream, x, y, &abs_x, &abs_y);
clutter_virtual_input_device_notify_touch_down (session->virtual_touchscreen,
CLUTTER_CURRENT_TIME,
slot,
abs_x, abs_y);
meta_dbus_remote_desktop_session_complete_notify_touch_down (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_touch_motion (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
const char *stream_path,
unsigned int slot,
double x,
double y)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
MetaScreenCastStream *stream;
double abs_x, abs_y;
if (!check_permission (session, invocation))
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_ACCESS_DENIED,
"Permission denied");
return TRUE;
}
if (!session->screen_cast_session)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"No screen cast active");
return TRUE;
}
stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
stream_path);
if (!stream)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Unknown stream");
return TRUE;
}
meta_screen_cast_stream_transform_position (stream, x, y, &abs_x, &abs_y);
clutter_virtual_input_device_notify_touch_motion (session->virtual_touchscreen,
CLUTTER_CURRENT_TIME,
slot,
abs_x, abs_y);
meta_dbus_remote_desktop_session_complete_notify_touch_motion (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_touch_up (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
unsigned int slot)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
if (!check_permission (session, invocation))
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_ACCESS_DENIED,
"Permission denied");
return TRUE;
}
clutter_virtual_input_device_notify_touch_up (session->virtual_touchscreen,
CLUTTER_CURRENT_TIME,
slot);
meta_dbus_remote_desktop_session_complete_notify_touch_up (skeleton,
invocation);
return TRUE;
}
static void
meta_remote_desktop_session_init_iface (MetaDBusRemoteDesktopSessionIface *iface)
{
@ -573,6 +705,9 @@ meta_remote_desktop_session_init_iface (MetaDBusRemoteDesktopSessionIface *iface
iface->handle_notify_pointer_axis_discrete = handle_notify_pointer_axis_discrete;
iface->handle_notify_pointer_motion_relative = handle_notify_pointer_motion_relative;
iface->handle_notify_pointer_motion_absolute = handle_notify_pointer_motion_absolute;
iface->handle_notify_touch_down = handle_notify_touch_down;
iface->handle_notify_touch_motion = handle_notify_touch_motion;
iface->handle_notify_touch_up = handle_notify_touch_up;
}
static void

33
src/org.gnome.Mutter.RemoteDesktop.xml
View File

@ -131,6 +131,39 @@
<arg name="y" type="d" direction="in" />
</method>
<!--
NotifyTouchDown:
A absolute pointer motion event notification
-->
<method name="NotifyTouchDown">
<arg name="stream" type="s" direction="in" />
<arg name="slot" type="u" direction="in" />
<arg name="x" type="d" direction="in" />
<arg name="y" type="d" direction="in" />
</method>
<!--
NotifyTouchMotion:
A absolute pointer motion event notification
-->
<method name="NotifyTouchMotion">
<arg name="stream" type="s" direction="in" />
<arg name="slot" type="u" direction="in" />
<arg name="x" type="d" direction="in" />
<arg name="y" type="d" direction="in" />
</method>
<!--
NotifyTouchUp:
A absolute pointer motion event notification
-->
<method name="NotifyTouchUp">
<arg name="slot" type="u" direction="in" />
</method>
</interface>
</node>