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Fix mouse wheel events on macOS 10.12 (thanks Eric Wasylishen!)

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Fixes bug #3432
This commit is contained in:
Alex Szpakowski 2016-09-24 13:28:40 -03:00
parent 89c538a4e3
commit bac5394127
1 changed files with 6 additions and 6 deletions
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12
src/video/cocoa/SDL_cocoamouse.m
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@ -421,8 +421,8 @@ Cocoa_HandleMouseWheel(SDL_Window *window, NSEvent *event)
{ {
SDL_Mouse *mouse = SDL_GetMouse(); SDL_Mouse *mouse = SDL_GetMouse();
float x = -[event deltaX]; CGFloat x = -[event deltaX];
float y = [event deltaY]; CGFloat y = [event deltaY];
SDL_MouseWheelDirection direction = SDL_MOUSEWHEEL_NORMAL; SDL_MouseWheelDirection direction = SDL_MOUSEWHEEL_NORMAL;
if ([event respondsToSelector:@selector(isDirectionInvertedFromDevice)]) { if ([event respondsToSelector:@selector(isDirectionInvertedFromDevice)]) {
@ -432,14 +432,14 @@ Cocoa_HandleMouseWheel(SDL_Window *window, NSEvent *event)
} }
if (x > 0) { if (x > 0) {
x += 0.9f; x = SDL_ceil(x);
} else if (x < 0) { } else if (x < 0) {
x -= 0.9f; x = SDL_floor(x);
} }
if (y > 0) { if (y > 0) {
y += 0.9f; y = SDL_ceil(y);
} else if (y < 0) { } else if (y < 0) {
y -= 0.9f; y = SDL_floor(y);
} }
SDL_SendMouseWheel(window, mouse->mouseID, (int)x, (int)y, direction); SDL_SendMouseWheel(window, mouse->mouseID, (int)x, (int)y, direction);
} }