smaller imgui impl improvements

src/frontend/ImGuiImpl/PopupWindow.hpp

@@ -4,12 +4,16 @@
 
 namespace gui {
 struct PopupWindow {
-    PopupWindow(const std::string& title, std::function<void()>&& func = nullptr, bool opened = true) : title(title), exec(func), opened(opened) {}
+    PopupWindow(const std::string& title, std::function<void()>&& func = nullptr, bool opened = false) : title(title), exec(func), opened(opened) {}
     void setFunc(std::function<void()>&& func) {
         exec = func;
     }
 
+    void setOpened(bool v) { opened = true; }
+
     bool render() {
+        if(!opened)
+            return false;
         ImGui::OpenPopup(title.c_str());
         ImVec2 center = ImGui::GetMainViewport()->GetCenter();
         ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
@@ -28,6 +32,6 @@ struct PopupWindow {
 private:
     std::function<void()> exec;
     std::string title;
-    bool opened = true;
+    bool opened = false;
 };
 }

src/frontend/ImGuiImpl/StatusBar.hpp

@@ -5,6 +5,8 @@ namespace gui {
 struct StatusBar {
     StatusBar(std::function<void()>&& func = nullptr, bool enabled = true) : exec(func), enabled(enabled) {}
 
+    void setFunc(std::function<void()>&& func) { exec = func; }
+
     bool render() {
         float statusWindowHeight = ImGui::GetFrameHeight() * 1.4f;
         ImGuiViewport* viewport = ImGui::GetMainViewport();

src/frontend/KaizenGui.cpp

@@ -12,6 +12,20 @@ KaizenGui::KaizenGui() noexcept : window(SDL_CreateWindow("Kaizen", 1280, 720, S
     }
   };
   
+  about.setFunc([&]() {
+    ImGui::Text("Kaizen is a Nintendo 64 emulator that strives");
+    ImGui::Text("to offer a friendly user experience and compatibility.");
+    ImGui::Text("Kaizen is licensed under the BSD 3-clause license.");
+    ImGui::Text("Nintendo 64 is a registered trademarks of Nintendo Co., Ltd.");
+    if(ImGui::Button("OK")) {
+      about.setOpened(false);
+    }
+  });
+
+  statusBar.setFunc([&]() {
+    ImGui::Text("GUI FPS: %.2f, Emulation FPS: %.2f", ImGui::GetIO().Framerate, fpsCounter);
+  });
+  
   menuBar.addMenu({"File", 
     {
       {"Open", [&]() {
@@ -43,12 +57,7 @@ KaizenGui::KaizenGui() noexcept : window(SDL_CreateWindow("Kaizen", 1280, 720, S
   menuBar.addMenu({"Help", 
     {
       {"About", [&]() {
-        gui::PopupWindow about{"About Kaizen", [&]() {
-          ImGui::Text("Kaizen is a Nintendo 64 emulator that strives");
-          ImGui::Text("to offer a friendly user experience and compatibility.");
-          ImGui::Text("Kaizen is licensed under the BSD 3-clause license.");
-          ImGui::Text("Nintendo 64 is a registered trademarks of Nintendo Co., Ltd.");
-        }};
+        about.setOpened(true);
       }},
     }
   });
@@ -81,11 +90,7 @@ int KaizenGui::run() {
 
     menuBar.render();
 
-    // TODO VULKAN CANVAS
-
-    gui::StatusBar statusBar{[&]() {
-      ImGui::Text("GUI FPS: %.2f, Emulation FPS: %.2f", ImGui::GetIO().Framerate, fpsCounter);
-    }};
+    about.render();
 
     statusBar.render();
   }

src/frontend/KaizenGui.hpp

@@ -24,6 +24,7 @@ private:
   bool quit = false;
   void handleEvents();
   std::function<void()> emuExitFunc;
-
+  gui::PopupWindow about{"About Kaizen"};
+  gui::StatusBar statusBar{};
   bool textPauseToggle = false;
 };