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Fixed hit-testing on Windows.

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Needed to convert from screen to client coords.
This commit is contained in:
Ryan C. Gordon 2014-05-30 01:49:26 -04:00
parent bf03bec120
commit bcc2cc8722
1 changed files with 7 additions and 4 deletions
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11
src/video/windows/SDL_windowsevents.c
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@ -870,10 +870,13 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
SDL_Window *window = data->window;
if (window->hit_test) {
const SDL_Point point = { (int) LOWORD(lParam), (int) HIWORD(lParam) };
const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
if (rc == SDL_HITTEST_DRAGGABLE) {
return HTCAPTION;
POINT winpoint = { (int) LOWORD(lParam), (int) HIWORD(lParam) };
if (ScreenToClient(data->hwnd, &winpoint)) {
const SDL_Point point = { (int) winpoint.x, (int) winpoint.y };
const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
if (rc == SDL_HITTEST_DRAGGABLE) {
return HTCAPTION;
}
}
// if we didn't return, this will call DefWindowProc below.
}