diff options
| author | Pedro J. Estébanez <pedrojrulez@gmail.com> | 2018-08-30 20:05:59 +0200 |
|---|---|---|
| committer | Pedro J. Estébanez <pedrojrulez@gmail.com> | 2018-08-30 22:42:18 +0200 |
| commit | 28019c71a67ff89633f01548dbbd1f4a5ae5a152 (patch) | |
| tree | c3b0b3ca1f1ffde3f76333eb22ab641eae2708c8 /platform/windows | |
| parent | a1019c2c82f786cb5f2f1b59bbe5e28f93573a88 (diff) | |
Fix multitouch input not working on certain devices on Windows
Fixes #20474.
Diffstat (limited to 'platform/windows')
| -rw-r--r-- | platform/windows/os_windows.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp index 7009df8e57..4ca6f36629 100644 --- a/platform/windows/os_windows.cpp +++ b/platform/windows/os_windows.cpp @@ -249,7 +249,11 @@ bool OS_Windows::can_draw() const { #define MI_WP_SIGNATURE 0xFF515700 #define SIGNATURE_MASK 0xFFFFFF00 +// Keeping the name suggested by Microsoft, but this macro really answers: +// Is this mouse event emulated from touch or pen input? #define IsPenEvent(dw) (((dw)&SIGNATURE_MASK) == MI_WP_SIGNATURE) +// This one tells whether the event comes from touchscreen (and not from pen) +#define IsTouchEvent(dw) (IsPenEvent(dw) && ((dw)&0x80)) void OS_Windows::_touch_event(bool p_pressed, float p_x, float p_y, int idx) { @@ -469,7 +473,7 @@ LRESULT OS_Windows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) if (input->is_emulating_mouse_from_touch()) { // Universal translation enabled; ignore OS translation LPARAM extra = GetMessageExtraInfo(); - if (IsPenEvent(extra)) { + if (IsTouchEvent(extra)) { break; } } @@ -560,7 +564,7 @@ LRESULT OS_Windows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) if (input->is_emulating_mouse_from_touch()) { // Universal translation enabled; ignore OS translations for left button LPARAM extra = GetMessageExtraInfo(); - if (IsPenEvent(extra)) { + if (IsTouchEvent(extra)) { break; } } |