diff options
| -rw-r--r-- | intern/ghost/intern/GHOST_SystemWin32.cpp | 56 |
1 files changed, 37 insertions, 19 deletions
diff --git a/intern/ghost/intern/GHOST_SystemWin32.cpp b/intern/ghost/intern/GHOST_SystemWin32.cpp index 07c86cd84f2..ddbe8b67742 100644 --- a/intern/ghost/intern/GHOST_SystemWin32.cpp +++ b/intern/ghost/intern/GHOST_SystemWin32.cpp @@ -1099,6 +1099,12 @@ GHOST_EventCursor *GHOST_SystemWin32::processCursorEvent(GHOST_WindowWin32 *wind system->getCursorPosition(x_screen, y_screen); if (window->getCursorGrabModeIsWarp()) { + /* WORKAROUND: + * Sometimes Windows ignores `SetCursorPos()` or `SendInput()` calls or the mouse event is + * outdate. Identify these cases by checking if the cursor is not yet within bounds. */ + static bool is_warping_x = false; + static bool is_warping_y = false; + int32_t x_new = x_screen; int32_t y_new = y_screen; int32_t x_accum, y_accum; @@ -1115,29 +1121,41 @@ GHOST_EventCursor *GHOST_SystemWin32::processCursorEvent(GHOST_WindowWin32 *wind window->getCursorGrabAccum(x_accum, y_accum); if (x_new != x_screen || y_new != y_screen) { + system->setCursorPosition(x_new, y_new); /* wrap */ + + /* Do not update the accum values if we are an outdated or failed pos-warp event. */ + if (!is_warping_x) { + is_warping_x = x_new != x_screen; + if (is_warping_x) { + x_accum += (x_screen - x_new); + } + } + + if (!is_warping_y) { + is_warping_y = y_new != y_screen; + if (is_warping_y) { + y_accum += (y_screen - y_new); + } + } + window->setCursorGrabAccum(x_accum, y_accum); + /* When wrapping we don't need to add an event because the setCursorPosition call will cause * a new event after. */ - system->setCursorPosition(x_new, y_new); /* wrap */ - window->setCursorGrabAccum(x_accum + (x_screen - x_new), y_accum + (y_screen - y_new)); - } - else { - return new GHOST_EventCursor(system->getMilliSeconds(), - GHOST_kEventCursorMove, - window, - x_screen + x_accum, - y_screen + y_accum, - GHOST_TABLET_DATA_NONE); + return NULL; } + + is_warping_x = false; + is_warping_y = false; + x_screen += x_accum; + y_screen += y_accum; } - else { - return new GHOST_EventCursor(system->getMilliSeconds(), - GHOST_kEventCursorMove, - window, - x_screen, - y_screen, - GHOST_TABLET_DATA_NONE); - } - return NULL; + + return new GHOST_EventCursor(system->getMilliSeconds(), + GHOST_kEventCursorMove, + window, + x_screen, + y_screen, + GHOST_TABLET_DATA_NONE); } void GHOST_SystemWin32::processWheelEvent(GHOST_WindowWin32 *window, WPARAM wParam, LPARAM lParam) |