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Fix cursor warping display under Wayland

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Under Wayland the transform cursor wasn't displaying the warped cursor.

This worked on other platforms because cursor motion is warped where as
Wayland simulates cursor warping, so it's necessary to apply warping
when requesting the cursor location too.
This commit is contained in:
Campbell Barton 2022-12-15 15:19:57 +11:00
parent d715573aea
commit 18cc1b1108
1 changed files with 30 additions and 2 deletions
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32
intern/ghost/intern/GHOST_SystemWayland.cpp
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@ -5830,8 +5830,36 @@ static GHOST_TSuccess getCursorPositionClientRelative_impl(
int32_t &y)
{
const wl_fixed_t scale = win->scale();
x = wl_fixed_to_int(scale * seat_state_pointer->xy[0]);
y = wl_fixed_to_int(scale * seat_state_pointer->xy[1]);
if (win->getCursorGrabModeIsWarp()) {
/* As the cursor is restored at the warped location,
* apply warping when requesting the cursor location. */
GHOST_Rect wrap_bounds{};
if (win->getCursorGrabModeIsWarp()) {
if (win->getCursorGrabBounds(wrap_bounds) == GHOST_kFailure) {
win->getClientBounds(wrap_bounds);
}
}
int xy_wrap[2] = {
seat_state_pointer->xy[0],
seat_state_pointer->xy[1],
};
GHOST_Rect wrap_bounds_scale;
wrap_bounds_scale.m_l = wl_fixed_from_int(wrap_bounds.m_l) / scale;
wrap_bounds_scale.m_t = wl_fixed_from_int(wrap_bounds.m_t) / scale;
wrap_bounds_scale.m_r = wl_fixed_from_int(wrap_bounds.m_r) / scale;
wrap_bounds_scale.m_b = wl_fixed_from_int(wrap_bounds.m_b) / scale;
wrap_bounds_scale.wrapPoint(UNPACK2(xy_wrap), 0, win->getCursorGrabAxis());
x = wl_fixed_to_int(scale * xy_wrap[0]);
y = wl_fixed_to_int(scale * xy_wrap[1]);
}
else {
x = wl_fixed_to_int(scale * seat_state_pointer->xy[0]);
y = wl_fixed_to_int(scale * seat_state_pointer->xy[1]);
}
return GHOST_kSuccess;
}