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Fixed bug 1813 - MouseMotion relative values do not respect renderer LogicalSize

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driedfruit

A trivial issue, the xrel and yrel values of MouseMotion event struct are not adjusted to renderer logical size.
This commit is contained in:
Sam Lantinga
2013-07-21 12:54:27 -07:00
parent 04f86925d1
commit 17747734e6
1 changed files with 10 additions and 0 deletions
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10
src/render/SDL_render.c
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@@ -151,6 +151,16 @@ SDL_RendererEventWatch(void *userdata, SDL_Event *event)
event->motion.y -= renderer->viewport.y;
event->motion.x = (int)(event->motion.x / renderer->scale.x);
event->motion.y = (int)(event->motion.y / renderer->scale.y);
if (event->motion.xrel > 0) {
event->motion.xrel = SDL_max(1, (int)(event->motion.xrel / renderer->scale.x));
} else if (event->motion.xrel < 0) {
event->motion.xrel = SDL_min(-1, (int)(event->motion.xrel / renderer->scale.x));
}
if (event->motion.yrel > 0) {
event->motion.yrel = SDL_max(1, (int)(event->motion.yrel / renderer->scale.y));
} else if (event->motion.yrel < 0) {
event->motion.yrel = SDL_min(-1, (int)(event->motion.yrel / renderer->scale.y));
}
}
} else if (event->type == SDL_MOUSEBUTTONDOWN ||
event->type == SDL_MOUSEBUTTONUP) {