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Avoid sending regular mouse messages for touch input

Sam Lantinga 2020-04-06 19:21:56 -07:00
parent c760c02c6c
commit 0721931f5b
3 changed files with 17 additions and 3 deletions
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18
src/video/windows/SDL_windowsevents.c
View File

@ -75,6 +75,9 @@
#ifndef WM_MOUSEHWHEEL
#define WM_MOUSEHWHEEL 0x020E
#endif
#ifndef WM_POINTERUPDATE
#define WM_POINTERUPDATE 0x0245
#endif
#ifndef WM_UNICHAR
#define WM_UNICHAR 0x0109
#endif
@ -523,12 +526,19 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
returnCode = 0;
break;
case WM_POINTERUPDATE:
{
data->last_pointer_update = lParam;
break;
}
case WM_MOUSEMOVE:
{
SDL_Mouse *mouse = SDL_GetMouse();
if (!mouse->relative_mode || mouse->relative_mode_warp) {
/* Only generate mouse events for real mouse */
if (GetMouseMessageSource() != SDL_MOUSE_EVENT_SOURCE_TOUCH) {
if (GetMouseMessageSource() != SDL_MOUSE_EVENT_SOURCE_TOUCH &&
lParam != data->last_pointer_update) {
SDL_SendMouseMotion(data->window, 0, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
if (isWin10FCUorNewer && mouse->relative_mode_warp) {
/* To work around #3931, Win10 bug introduced in Fall Creators Update, where
@ -563,7 +573,8 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SDL_Mouse *mouse = SDL_GetMouse();
if (!mouse->relative_mode || mouse->relative_mode_warp) {
if (GetMouseMessageSource() != SDL_MOUSE_EVENT_SOURCE_TOUCH) {
if (GetMouseMessageSource() != SDL_MOUSE_EVENT_SOURCE_TOUCH &&
lParam != data->last_pointer_update) {
WIN_CheckWParamMouseButtons(wParam, data, 0);
}
}
@ -589,7 +600,8 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
/* Mouse data (ignoring synthetic mouse events generated for touchscreens) */
if (inp.header.dwType == RIM_TYPEMOUSE) {
if (GetMouseMessageSource() == SDL_MOUSE_EVENT_SOURCE_TOUCH) {
if (GetMouseMessageSource() == SDL_MOUSE_EVENT_SOURCE_TOUCH ||
(GetMessageExtraInfo() & 0x82) == 0x82) {
break;
}
if (isRelative) {

1
src/video/windows/SDL_windowswindow.c
View File

@ -188,6 +188,7 @@ SetupWindowData(_THIS, SDL_Window * window, HWND hwnd, HWND parent, SDL_bool cre
data->hinstance = (HINSTANCE) GetWindowLongPtr(hwnd, GWLP_HINSTANCE);
data->created = created;
data->mouse_button_flags = 0;
data->last_pointer_update = (LPARAM)-1;
data->videodata = videodata;
data->initializing = SDL_TRUE;

1
src/video/windows/SDL_windowswindow.h
View File

@ -39,6 +39,7 @@ typedef struct
WNDPROC wndproc;
SDL_bool created;
WPARAM mouse_button_flags;
LPARAM last_pointer_update;
SDL_bool initializing;
SDL_bool expected_resize;
SDL_bool in_border_change;