DPI adaptation to windows

la_kernel.c

@@ -607,14 +607,14 @@ void logClear(){
 }
 
 #ifdef __linux__
-int la_GetDPI(){
+int la_GetDPI(Window* root_win){
     XRRScreenResources *screen;
     XRROutputInfo *info;
     XRRCrtcInfo *crtc_info;
     XRRCrtcInfo *crtc;
     int iscres, icrtc, dpi=0;
 
-    screen=XRRGetScreenResources(MAIN.dpy, DefaultRootWindow(MAIN.dpy));
+    screen=XRRGetScreenResources(MAIN.dpy, root_win);
     for(iscres=0;iscres<screen->noutput;iscres++){
         info=XRRGetOutputInfo(MAIN.dpy,screen,screen->outputs[iscres]);
         if(!info->mm_width || !info->mm_height){ continue; }
@@ -637,7 +637,8 @@ int la_GetDPI(){
 }
 #endif
 #ifdef _WIN32
-int la_GetDPI(){
+int la_GetDPI(HWND win){
+    return GetDpiForWindow(win);
     return 144;
 }
 #endif
@@ -978,7 +979,13 @@ int laGetReadyWith(laInitArguments* ia){
     
     MAIN.FontSize = 0.6;
 
-    int dpi=la_GetDPI(); if((!dpi) || dpi<96){ dpi=144; } if(dpi>300){ dpi=300; }
+#ifdef _WIN32
+    int dpi=la_GetDPI(hwnd);
+#endif
+#ifdef __linux__
+    int dpi = la_GetDPI(DefaultRootWindow(MAIN.dpy));
+#endif
+    if((!dpi) || dpi<144){ dpi=144; } if(dpi>300){ dpi=300; }
     int UiSize=(int)(tnsLinearItp(16.0f,24.0f,tnsGetRatiod(96,144,dpi))+0.5);
     
     MAIN.UiRowHeight = MAIN.ScaledUiRowHeight =UiSize;