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fix mouse coordinates for HIGHDPI on mac

This commit is contained in:
Vadim Lopatin 2015-03-10 17:55:26 +03:00
parent 23bc6f9187
commit e8f2057ecd
1 changed files with 16 additions and 0 deletions
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16
src/dlangui/platforms/sdl/sdlapp.d
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@ -432,6 +432,22 @@ class SDLWindow : Window {
short lastx;
short lasty;
void processMouseEvent(MouseAction action, uint button, uint state, int x, int y) {
// correct mouse coordinates for HIGHDPI on mac
int drawableW = 0;
int drawableH = 0;
int winW = 0;
int winH = 0;
SDL_GL_GetDrawableSize(_win, &drawableW, &drawableH);
SDL_GetWindowSize(_win, &winW, &winH);
if (drawableW != winW || drawableH != winH) {
if (drawableW > 0 && winW > 0 && drawableH > 0 && drawableW > 0) {
x = x * drawableW / winW;
y = y * drawableH / winH;
}
}
MouseEvent event = null;
if (action == MouseAction.Wheel) {
// handle wheel