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Examples: Misc comments mainly related to GLFW callbacks. (#1759)

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This commit is contained in:
omar 2018-11-08 16:06:22 +01:00
parent a419d46205
commit 9d155c73bc
16 changed files with 58 additions and 46 deletions
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6
examples/example_allegro5/main.cpp
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@ -22,14 +22,16 @@ int main(int, char**)
al_register_event_source(queue, al_get_keyboard_event_source());
al_register_event_source(queue, al_get_mouse_event_source());
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplAllegro5_Init(display);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

5
examples/example_apple_opengl2/main.mm
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@ -237,16 +237,17 @@
if ([view openGLContext] == nil)
NSLog(@"No OpenGL Context!");
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplOSX_Init();
ImGui_ImplOpenGL2_Init();
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

5
examples/example_freeglut_opengl2/main.cpp
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@ -95,16 +95,17 @@ int main(int argc, char** argv)
// otherwise it is possible to install our own functions and call the imgui_impl_freeglut.h functions ourselves.
glutDisplayFunc(glut_display_func);
// Setup Dear ImGui binding
// Setup Dear ImGui context
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplFreeGLUT_Init();
ImGui_ImplFreeGLUT_InstallFuncs();
ImGui_ImplOpenGL2_Init();
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

6
examples/example_glfw_opengl2/main.cpp
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@ -36,17 +36,19 @@ int main(int, char**)
glfwMakeContextCurrent(window);
glfwSwapInterval(1); // Enable vsync
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup Platform/Renderer bindings
// If you have already installed GLFW callbacks in your app, call ImGui_ImplGlfw_InitForOpenGL() with install_callbacks=false and call them yourself.
ImGui_ImplGlfw_InitForOpenGL(window, true);
ImGui_ImplOpenGL2_Init();
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

6
examples/example_glfw_opengl3/main.cpp
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@ -82,17 +82,19 @@ int main(int, char**)
return 1;
}
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup Platform/Renderer bindings
// If you have already installed GLFW callbacks in your app, call ImGui_ImplGlfw_InitForOpenGL() with install_callbacks=false and call them yourself.
ImGui_ImplGlfw_InitForOpenGL(window, true);
ImGui_ImplOpenGL3_Init(glsl_version);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

9
examples/example_glfw_vulkan/main.cpp
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@ -350,17 +350,16 @@ int main(int, char**)
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
SetupVulkanWindowData(wd, surface, w, h);
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup GLFW binding
// Setup Platform/Renderer bindings
// If you have already installed GLFW callbacks in your app, call ImGui_ImplGlfw_InitForVulkan() with install_callbacks=false and call the functions yourself.
ImGui_ImplGlfw_InitForVulkan(window, true);
// Setup Vulkan binding
ImGui_ImplVulkan_InitInfo init_info = {};
init_info.Instance = g_Instance;
init_info.PhysicalDevice = g_PhysicalDevice;
@ -373,7 +372,7 @@ int main(int, char**)
init_info.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

6
examples/example_marmalade/main.cpp
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@ -16,14 +16,16 @@ int main(int, char**)
{
IwGxInit();
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_Marmalade_Init(true);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

5
examples/example_sdl_opengl2/main.cpp
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@ -34,16 +34,17 @@ int main(int, char**)
SDL_GLContext gl_context = SDL_GL_CreateContext(window);
SDL_GL_SetSwapInterval(1); // Enable vsync
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplSDL2_InitForOpenGL(window, gl_context);
ImGui_ImplOpenGL2_Init();
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

5
examples/example_sdl_opengl3/main.cpp
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@ -74,16 +74,17 @@ int main(int, char**)
return 1;
}
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplSDL2_InitForOpenGL(window, gl_context);
ImGui_ImplOpenGL3_Init(glsl_version);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

8
examples/example_sdl_vulkan/main.cpp
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@ -333,15 +333,13 @@ int main(int, char**)
ImGui_ImplVulkanH_WindowData* wd = &g_WindowData;
SetupVulkanWindowData(wd, surface, w, h);
// Setup Dear ImGui binding
// Setup Dear ImGui context
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup SDL binding
// Setup Platform/Renderer bindings
ImGui_ImplSDL2_InitForVulkan(window);
// Setup Vulkan binding
ImGui_ImplVulkan_InitInfo init_info = {};
init_info.Instance = g_Instance;
init_info.PhysicalDevice = g_PhysicalDevice;
@ -354,7 +352,7 @@ int main(int, char**)
init_info.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

5
examples/example_win32_directx10/main.cpp
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@ -110,16 +110,17 @@ int main(int, char**)
ShowWindow(hwnd, SW_SHOWDEFAULT);
UpdateWindow(hwnd);
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX10_Init(g_pd3dDevice);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

5
examples/example_win32_directx11/main.cpp
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@ -113,16 +113,17 @@ int main(int, char**)
ShowWindow(hwnd, SW_SHOWDEFAULT);
UpdateWindow(hwnd);
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

5
examples/example_win32_directx12/main.cpp
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@ -286,19 +286,20 @@ int main(int, char**)
ShowWindow(hwnd, SW_SHOWDEFAULT);
UpdateWindow(hwnd);
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX12_Init(g_pd3dDevice, NUM_FRAMES_IN_FLIGHT,
DXGI_FORMAT_R8G8B8A8_UNORM,
g_pd3dSrvDescHeap->GetCPUDescriptorHandleForHeapStart(),
g_pd3dSrvDescHeap->GetGPUDescriptorHandleForHeapStart());
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

6
examples/example_win32_directx9/main.cpp
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@ -75,15 +75,17 @@ int main(int, char**)
return 0;
}
// Setup Dear ImGui binding
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Platform/Renderer bindings
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX9_Init(g_pd3dDevice);
// Setup style
// Setup Style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();

15
examples/imgui_impl_glfw.cpp
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@ -102,14 +102,6 @@ void ImGui_ImplGlfw_CharCallback(GLFWwindow*, unsigned int c)
io.AddInputCharacter((unsigned short)c);
}
void ImGui_ImplGlfw_InstallCallbacks(GLFWwindow* window)
{
glfwSetMouseButtonCallback(window, ImGui_ImplGlfw_MouseButtonCallback);
glfwSetScrollCallback(window, ImGui_ImplGlfw_ScrollCallback);
glfwSetKeyCallback(window, ImGui_ImplGlfw_KeyCallback);
glfwSetCharCallback(window, ImGui_ImplGlfw_CharCallback);
}
static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, GlfwClientApi client_api)
{
g_Window = window;
@ -160,7 +152,12 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
g_MouseCursors[ImGuiMouseCursor_Hand] = glfwCreateStandardCursor(GLFW_HAND_CURSOR);
if (install_callbacks)
ImGui_ImplGlfw_InstallCallbacks(window);
{
glfwSetMouseButtonCallback(window, ImGui_ImplGlfw_MouseButtonCallback);
glfwSetScrollCallback(window, ImGui_ImplGlfw_ScrollCallback);
glfwSetKeyCallback(window, ImGui_ImplGlfw_KeyCallback);
glfwSetCharCallback(window, ImGui_ImplGlfw_CharCallback);
}
g_ClientApi = client_api;
return true;

7
examples/imgui_impl_glfw.h
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@ -25,9 +25,10 @@ IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForVulkan(GLFWwindow* window, bool in
IMGUI_IMPL_API void ImGui_ImplGlfw_Shutdown();
IMGUI_IMPL_API void ImGui_ImplGlfw_NewFrame();
// GLFW callbacks (installed by default if you enable 'install_callbacks' during initialization)
// Provided here if you want to chain callbacks.
// You can also handle inputs yourself and use those as a reference.
// GLFW callbacks are installed by default if you call the InitXXX function with 'install_callbacks=true'.
// If you already have GLFW callbacks installed by your application, call the InitXXX function with install_callbacks=false,
// then call the functions yourselves from your own GLFW callbacks.
// You may also handle inputs yourself and use those as a reference.
IMGUI_IMPL_API void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods);
IMGUI_IMPL_API void ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset);
IMGUI_IMPL_API void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);