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Cleanup: update code comments for wayland cursor locking 

Since this comment was written support for warping was added.
This commit is contained in:
Campbell Barton 2023-09-26 19:50:10 +10:00
parent c4651af470
commit 9be80399aa
1 changed files with 5 additions and 4 deletions
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9
intern/ghost/intern/GHOST_SystemWayland.cc
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@ -7368,10 +7368,11 @@ bool GHOST_SystemWayland::window_cursor_grab_set(const GHOST_TGrabCursorMode mod
if (mode != GHOST_kGrabDisable) {
if (grab_state_next.use_lock) {
if (!grab_state_prev.use_lock) {
/* TODO(@ideasman42): As WAYLAND does not support warping the pointer it may not be
* possible to support #GHOST_kGrabWrap by pragmatically settings it's coordinates.
* An alternative could be to draw the cursor in software (and hide the real cursor),
* or just accept a locked cursor on WAYLAND. */
/* As WAYLAND does not support setting the cursor coordinates programmatically,
* #GHOST_kGrabWrap cannot be supported by positioning the cursor directly.
* Instead the cursor is locked in place, using a software cursor that is warped.
* Then WAYLAND's #zwp_locked_pointer_v1_set_cursor_position_hint is used to restore
* the cursor to the warped location. */
seat->wp.relative_pointer = zwp_relative_pointer_manager_v1_get_relative_pointer(
display_->wp.relative_pointer_manager, seat->wl.pointer);
zwp_relative_pointer_v1_add_listener(