Basic ImGui SFML app with few controls

source/AppMain.cpp

@@ -1,7 +1,9 @@
 #include <SFML/Graphics.hpp>
+#include "../libs/imgui.h"
+#include "../libs/imgui-SFML.h"
 #include "AppMain.h"
 #include "App.h"
-using namespace sf;
+using namespace sf;  using namespace ImGui::SFML;
 
 
 
@@ -15,17 +17,31 @@ bool AppMain::Run()
 	//  Create window
 	//------------------------------------------------
 	//VideoMode vm = VideoMode::getDesktopMode();
-	VideoMode vm = VideoMode(600, 400);
+	VideoMode vm = VideoMode(800, 600);
 
 	RenderWindow* window = new RenderWindow(
-		vm, "SFML demo",  //  title
+		vm, "SFML ImGui demo",  //  title
 		Style::Default,  //Style::None,
 		ContextSettings());
 
 	window->setVerticalSyncEnabled(true);
 	//window->setPosition(Vector2i(0,0));
 
 
+	//  ImGui
+	//------------------
+	Init(*window);
+	ImGuiIO& io = ImGui::GetIO();
+	io.IniFilename = 0;  io.LogFilename = 0;  // nope
+	io.Fonts->ClearFonts();
+	//  font
+	ImFont* fnt = io.Fonts->AddFontFromFileTTF(
+					  "data/DejaVuLGCSans.ttf", 18);
+	Texture* fntTex = new Texture;
+	createFontTexture(*fntTex);
+	setFontTexture(*fntTex);
+
+
 	//  Init app
 	App* app = new App();
 	app->Init();
@@ -61,6 +77,8 @@ bool AppMain::Run()
 		Event e;
 		while (window->pollEvent(e))
 		{
+			ProcessEvent(e);
+
 			switch (e.type)
 			{
 			case Event::KeyPressed:
@@ -73,19 +91,27 @@ bool AppMain::Run()
 			}
 		}
 		sf::Time time = timer.restart();
+		Update(*window, time);
 		app->dt = time.asSeconds();
 
 		//  Draw
 		//------------------
-		window->clear();
+		app->Gui();
+
+		window->resetGLStates();
 
 		app->Graph();
 
+		ImGui::Render();
+
 		window->display();
 
 		//Sleep(0.20f);
 	}
 
+	//  dtor
+	//------------------
+	ImGui::Shutdown();
 	delete window;
 	delete app;
 	return true;

source/App_Graph.cpp

@@ -7,6 +7,7 @@
 void App::Graph()
 {
 	//  clear screen
+	pWindow->clear();
 	//Rect(0,0, xWindow,yWindow, 0,0,0);
 
 	//  test

source/App_Gui.cpp

@@ -0,0 +1,56 @@
+#include "../libs/imgui.h"
+#include "../libs/imgui-SFML.h"
+#include "App.h"
+#include "Util.h"
+using namespace std;  using namespace ImGui;  using namespace SFML;
+
+
+//  Gui draw and process
+///-----------------------------------------------------------------------------
+void App::Gui()
+{
+
+	//  window
+	SetNextWindowPos( ImVec2(0, 40),  ImGuiSetCond_Always);
+	SetNextWindowSize(ImVec2(400, 300), ImGuiSetCond_Always);
+
+	bool open = true;
+	const int flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize;
+
+	Begin("Window", &open, flags);
+
+
+	//  Pattern  Properties
+	//---------------------------------------------
+	Text("Properties");
+
+	bool e;  // edited, changed
+
+
+	//  editbox
+	static char ed[100]={0};
+
+	PushItemWidth(140);
+	e = InputText("Edit", ed, sizeof(ed));
+	PopItemWidth();
+
+	//  sliders
+	static int i = 0;
+	e = SliderInt("SldInt", &i, 0, 255, "");  SameLine();  Text((""+i2s(i)).c_str());
+
+	static float f = 0.f;
+	e = SliderFloat("SldFlt", &f, 0.f, 1.f, "");  SameLine();  Text((""+f2s(f,3)).c_str());
+
+	//  check
+	static bool b = false;
+	e = Checkbox("Check", &b);
+
+	//  button
+	e = Button("Save");  //if (e)  Save();
+
+	//  combobox
+	static int c = 0;
+	e = Combo("Cmb", &c, "aaa\0bbb\0\0");
+
+	End();
+}