diff options
| author | Pekka Paalanen <ppaalanen@gmail.com> | 2012-10-10 12:47:48 +0300 |
|---|---|---|
| committer | Kristian Høgsberg <krh@bitplanet.net> | 2012-10-10 22:01:17 -0400 |
| commit | b61c0f47d5de3731e484b54dc3e6da3b81c81711 (patch) | |
| tree | 0f0536d98cb93d2d1998465e5ba1f2fcfc01ee49 /protocol | |
| parent | 39624020fca181e81996915854420888ca8196aa (diff) | |
protocol: clarify input region on drags and pointers
Drag icon and cursor surfaces must never receive input, so their input
region is always empty.
Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
Diffstat (limited to 'protocol')
| -rw-r--r-- | protocol/wayland.xml | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/protocol/wayland.xml b/protocol/wayland.xml index 4c089b8..e5c8c91 100644 --- a/protocol/wayland.xml +++ b/protocol/wayland.xml @@ -337,8 +337,13 @@ The icon surface is an optional (can be nil) surface that provides an icon to be moved around with the cursor. Initially, the top-left corner of the icon surface is placed at the cursor - hotspot, but subsequent surface.attach request can move the - relative position. + hotspot, but subsequent wl_surface.attach request can move the + relative position. Attach requests must be confirmed with + wl_surface.commit as usual. + + The current and pending input regions of the wl_surface are + cleared, and wl_surface.set_input_region is ignored until the + wl_surface is destroyed. </description> <arg name="source" type="object" interface="wl_data_source" allow-null="true"/> <arg name="origin" type="object" interface="wl_surface"/> @@ -747,7 +752,9 @@ wl_surface.set_input_region changes the pending input region. wl_surface.commit copies the pending region to the current region. - Otherwise the pending and current regions are never changed. + Otherwise the pending and current regions are never changed, + except cursor and icon surfaces are special cases, see + wl_pointer.set_cursor and wl_data_device.start_drag. The initial value for input region is infinite. That means the whole surface will accept input. Setting the pending input region has copy @@ -869,11 +876,16 @@ On surface.attach requests to the pointer surface, hotspot_x and hotspot_y are decremented by the x and y parameters - passed to the request. + passed to the request. Attach must be confirmed by + wl_surface.commit as usual. The hotspot can also be updated by passing the current set pointer surface to this request with new values for hotspot_x and/or hotspot_y. + + The current and pending input regions of the wl_surface are + cleared, and wl_surface.set_input_region is ignored until the + wl_surface is destroyed. </description> <arg name="serial" type="uint"/> |