refine hidden window logic for chatgui

src/chat_gui4.cpp

@@ -272,12 +272,17 @@ ChatGui4::~ChatGui4(void) {
 	//}
 }
 
-float ChatGui4::render(float time_delta) {
+float ChatGui4::render(float time_delta, bool window_hidden) {
 	_fss.render();
 	_sip.render(time_delta);
 	_b_tc.update();
 	_b_tc.workLoadQueue();
 
+	if (window_hidden) {
+		// annoying, but all of the above needs to continue while not rendering
+		return 1000.f;
+	}
+
 	const ImGuiViewport* viewport = ImGui::GetMainViewport();
 	ImGui::SetNextWindowPos(viewport->WorkPos);
 	ImGui::SetNextWindowSize(viewport->WorkSize);

src/chat_gui4.hpp

@@ -75,7 +75,7 @@ class ChatGui4 : public ObjectStoreEventI {
 		~ChatGui4(void);
 
 	public:
-		float render(float time_delta);
+		float render(float time_delta, bool window_hidden);
 
 	public:
 		void sendFilePath(std::string_view file_path);

src/main_screen.cpp

@@ -360,7 +360,7 @@ Screen* MainScreen::render(float time_delta, bool&) {
 
 	si.render(time_delta);
 
-	const float cg_interval = cg.render(time_delta); // render
+	const float cg_interval = cg.render(time_delta, _window_hidden); // render
 	sw.render(); // render
 	osui.render();
 	tuiu.render(); // render