shithub: candycrisis

Info  •  Files  •  Log  •  Branches

Fix mouse position tracking for non-4:3 windows

--- a/src/SDLU.cpp

+++ b/src/SDLU.cpp

@@ -367,11 +367,13 @@

 static MPoint SDLUi_TranslatePointFromWindowToFrontSurface(MPoint pt)

 {

-    int windowWidth, windowHeight;

-    SDL_GetWindowSize(g_window, &windowWidth, &windowHeight);

-    

-    pt.h = pt.h * g_frontSurface->w / windowWidth;

-    pt.v = pt.v * g_frontSurface->h / windowHeight;

+    SDL_Rect viewport;

+    float scaleX, scaleY;

+    SDL_RenderGetViewport(g_renderer, &viewport);

+    SDL_RenderGetScale(g_renderer, &scaleX, &scaleY);

+

+    pt.h = pt.h / scaleX - viewport.x;

+    pt.v = pt.v / scaleY - viewport.y;

     return pt;

 }