fix: scale ratio on dpi change (leanflutter#496)

letrungdo · web-flow · commit 32bf6ab7aeef · 2024-10-27T09:37:49.000+08:00
diff --git a/windows/window_manager_plugin.cpp b/windows/window_manager_plugin.cpp
@@ -143,6 +143,7 @@ std::optional<LRESULT> WindowManagerPlugin::HandleWindowProc(HWND hWnd,
   if (message == WM_DPICHANGED) {
     window_manager->pixel_ratio_ =
         (float)LOWORD(wParam) / USER_DEFAULT_SCREEN_DPI;
+    window_manager->ForceChildRefresh();
   }
 
   if (wParam && message == WM_NCCALCSIZE) {

Original file line number	Diff line number	Diff line change
`@@ -143,6 +143,7 @@ std::optional<LRESULT> WindowManagerPlugin::HandleWindowProc(HWND hWnd,`
`143`	`143`	`if (message == WM_DPICHANGED) {`
`144`	`144`	`window_manager->pixel_ratio_ =`
`145`	`145`	`(float)LOWORD(wParam) / USER_DEFAULT_SCREEN_DPI;`
	`146`	`+ window_manager->ForceChildRefresh();`
`146`	`147`	`}`
`147`	`148`
`148`	`149`	`if (wParam && message == WM_NCCALCSIZE) {`