// Application code
int main(int argc, char** argv)
{
InitGL();
InitImGui();
while (!glfwWindowShouldClose(window))
{
ImGuiIO& io = ImGui::GetIO();
io.MouseWheel = 0;
glfwPollEvents();
UpdateImGui();
// Create a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
static bool show_test_window = true;
static bool show_another_window = false;
static float f;
ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
show_test_window ^= ImGui::Button("Test Window");
show_another_window ^= ImGui::Button("Another Window");
// Calculate and show framerate
static float ms_per_frame[120] = { 0 };
static int ms_per_frame_idx = 0;
static float ms_per_frame_accum = 0.0f;
ms_per_frame_accum -= ms_per_frame[ms_per_frame_idx];
ms_per_frame[ms_per_frame_idx] = ImGui::GetIO().DeltaTime * 1000.0f;
ms_per_frame_accum += ms_per_frame[ms_per_frame_idx];
ms_per_frame_idx = (ms_per_frame_idx + 1) % 120;
const float ms_per_frame_avg = ms_per_frame_accum / 120;
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", ms_per_frame_avg, 1000.0f / ms_per_frame_avg);
// Show the ImGui test window
// Most of user example code is in ImGui::ShowTestWindow()
if (show_test_window)
{
ImGui::SetNewWindowDefaultPos(ImVec2(650, 20)); // Normally user code doesn't need/want to call it because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
ImGui::ShowTestWindow(&show_test_window);
}
// Show another simple window
if (show_another_window)
{
ImGui::Begin("Another Window", &show_another_window, ImVec2(200,100));
ImGui::Text("Hello");
ImGui::End();
}
// Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
glClearColor(0.8f, 0.6f, 0.6f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
}
ImGui::Shutdown();
glfwTerminate();
return 0;
}
// Application code
int main(int argc, char** argv)
{
InitGL();
InitImGui();
while (!glfwWindowShouldClose(window))
{
ImGuiIO& io = ImGui::GetIO();
mousePressed[0] = mousePressed[1] = false;
glfwPollEvents();
UpdateImGui();
static bool show_test_window = true;
static bool show_another_window = false;
// 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
{
static float f;
ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
show_test_window ^= ImGui::Button("Test Window");
show_another_window ^= ImGui::Button("Another Window");
// Calculate and show frame rate
static float ms_per_frame[120] = { 0 };
static int ms_per_frame_idx = 0;
static float ms_per_frame_accum = 0.0f;
ms_per_frame_accum -= ms_per_frame[ms_per_frame_idx];
ms_per_frame[ms_per_frame_idx] = ImGui::GetIO().DeltaTime * 1000.0f;
ms_per_frame_accum += ms_per_frame[ms_per_frame_idx];
ms_per_frame_idx = (ms_per_frame_idx + 1) % 120;
const float ms_per_frame_avg = ms_per_frame_accum / 120;
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", ms_per_frame_avg, 1000.0f / ms_per_frame_avg);
}
// 2. Show another simple window, this time using an explicit Begin/End pair
if (show_another_window)
{
ImGui::Begin("Another Window", &show_another_window, ImVec2(200,100));
ImGui::Text("Hello");
ImGui::End();
}
// 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
if (show_test_window)
{
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCondition_FirstUseEver);
ImGui::ShowTestWindow(&show_test_window);
}
// Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
glClearColor(0.8f, 0.6f, 0.6f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
}
// Cleanup
ImGui::Shutdown();
glfwTerminate();
return 0;
}
void DemoUpdateStart()
{
if (!g_FontTexture)
ImImpl_CreateDeviceObjects();
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
// If a key is pressed, report it to the widgets
// gUIState.keyentered = event.key.keysym.sym;
// gUIState.keymod = event.key.keysym.mod;
// if key is ASCII, accept it as character input
// if ((event.key.keysym.unicode & 0xFF80) == 0)
// gUIState.keychar = event.key.keysym.unicode & 0x7f;
if (event.key.keysym.sym < 256)
gPressed[event.key.keysym.sym] = 1;
break;
case SDL_KEYUP:
if (event.key.keysym.sym < 256)
gPressed[event.key.keysym.sym] = 0;
// handle_key(event.key.keysym.sym, 0);
break;
case SDL_TEXTINPUT:
strncpy(gUIState.textinput, event.text.text, sizeof(gUIState.textinput));
gUIState.textinput[sizeof(gUIState.textinput)-1] = 0;
break;
case SDL_MOUSEMOTION:
// update mouse position
gUIState.mousex = event.motion.x;
gUIState.mousey = event.motion.y;
break;
case SDL_MOUSEBUTTONDOWN:
// update button down state if left-clicking
if (event.button.button == 1)
{
gUIState.mousedown = 1;
}
if (event.button.button == 4)
{
gUIState.scroll = +1;
}
if (event.button.button == 5)
{
gUIState.scroll = -1;
}
break;
case SDL_MOUSEBUTTONUP:
// update button down state if left-clicking
if (event.button.button == 1)
{
gUIState.mousedown = 0;
}
break;
case SDL_MOUSEWHEEL:
if (event.wheel.y > 0)
{
gUIState.scroll += 1;
}
else if (event.wheel.y < 0)
{
gUIState.scroll -= 1;
}
break;
case SDL_QUIT:
SDL_Quit();
exit(0);
break;
}
}
glClearColor(0.2f, 0.2f, 0.4f, 0);
glClear(GL_COLOR_BUFFER_BIT);
DemoTexQuad(desktop_tex, 0, 0, 800, 400);
UpdateImGui();
gMouseX = gUIState.mousex;
gMouseY = gUIState.mousey;
// Start the frame
ImGui::NewFrame();
//ImGui::ShowTestWindow();
}
