Fixed resize issue

1 files changed, 16 insertions, 2 deletions

diff --git a/themes/WebglContext.cpp b/themes/WebglContext.cpp
index 0f2e2d3..df49c2d 100644
--- a/themes/WebglContext.cpp
+++ b/themes/WebglContext.cpp
@@ -2,12 +2,24 @@
 #include <cstdio>
 
 
+EM_BOOL onResize(int eventType, const EmscriptenUiEvent *uiEvent, void *userData) {
+	WebglContext* context = (WebglContext*)userData;
+
+    f64 inWidth, inHeight;
+    emscripten_get_element_css_size(context->query, &inWidth, &inHeight);
+
+    context->width = static_cast<f32>(inWidth);
+    context->height = static_cast<f32>(inHeight);
+
+    return true;
+}
+
 void WebglContext::init(const char* inQuery) {
     strcpy(query, inQuery);
     f64 inWidth, inHeight;
     emscripten_get_element_css_size(query, &inWidth, &inHeight);
-    width = static_cast<i32>(inWidth);
-    height = static_cast<i32>(inHeight);
+    width = static_cast<f32>(inWidth);
+    height = static_cast<f32>(inHeight);
     emscripten_set_canvas_element_size( query, width, height);
     
     EmscriptenWebGLContextAttributes attrs;
@@ -21,6 +33,8 @@ void WebglContext::init(const char* inQuery) {
     makeCurrentContext();
 
     glClearColor(0, 0, 0, 0.0f);
+
+    emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, this, false, onResize);
 };
 
 void WebglContext::makeCurrentContext() {