Examples: Added a color slider for the background color + tweak first example use of button.s

This commit is contained in:
ocornut 2015-01-15 09:59:18 +00:00
parent 02f0dbca37
commit 62ecdd21a5
4 changed files with 37 additions and 31 deletions

View File

@ -540,6 +540,10 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
InitImGui(); InitImGui();
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_col(0.8f, 0.6f, 0.6f, 1.0f);
// Enter the message loop // Enter the message loop
MSG msg; MSG msg;
ZeroMemory(&msg, sizeof(msg)); ZeroMemory(&msg, sizeof(msg));
@ -551,20 +555,17 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
DispatchMessage(&msg); DispatchMessage(&msg);
continue; continue;
} }
UpdateImGui(); UpdateImGui();
static bool show_test_window = true;
static bool show_another_window = false;
// 1. Show a simple window // 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug" // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
{ {
static float f; static float f;
ImGui::Text("Hello, world!"); ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
show_test_window ^= ImGui::Button("Test Window"); ImGui::ColorEdit3("clear color", (float*)&clear_col);
show_another_window ^= ImGui::Button("Another Window"); if (ImGui::Button("Test Window")) show_test_window ^= 1;
if (ImGui::Button("Another Window")) show_another_window ^= 1;
// Calculate and show frame rate // Calculate and show frame rate
static float ms_per_frame[120] = { 0 }; static float ms_per_frame[120] = { 0 };
@ -594,8 +595,7 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
} }
// Rendering // Rendering
float clearColor[4] = { 204 / 255.f, 153 / 255.f, 153 / 255.f }; g_pd3dDeviceImmediateContext->ClearRenderTargetView(g_mainRenderTargetView, (float*)&clear_col);
g_pd3dDeviceImmediateContext->ClearRenderTargetView(g_mainRenderTargetView, clearColor);
ImGui::Render(); ImGui::Render();
g_pSwapChain->Present(0, 0); g_pSwapChain->Present(0, 0);
} }

View File

@ -281,6 +281,10 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
InitImGui(); InitImGui();
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_col(0.8f, 0.6f, 0.6f, 1.0f);
// Enter the message loop // Enter the message loop
MSG msg; MSG msg;
ZeroMemory(&msg, sizeof(msg)); ZeroMemory(&msg, sizeof(msg));
@ -292,20 +296,17 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
DispatchMessage(&msg); DispatchMessage(&msg);
continue; continue;
} }
UpdateImGui(); UpdateImGui();
static bool show_test_window = true;
static bool show_another_window = false;
// 1. Show a simple window // 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug" // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
{ {
static float f; static float f;
ImGui::Text("Hello, world!"); ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
show_test_window ^= ImGui::Button("Test Window"); ImGui::ColorEdit3("clear color", (float*)&clear_col);
show_another_window ^= ImGui::Button("Another Window"); if (ImGui::Button("Test Window")) show_test_window ^= 1;
if (ImGui::Button("Another Window")) show_another_window ^= 1;
// Calculate and show frame rate // Calculate and show frame rate
static float ms_per_frame[120] = { 0 }; static float ms_per_frame[120] = { 0 };
@ -330,7 +331,7 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
// 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow() // 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
if (show_test_window) if (show_test_window)
{ {
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCondition_FirstUseEver); ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCondition_FirstUseEver);
ImGui::ShowTestWindow(&show_test_window); ImGui::ShowTestWindow(&show_test_window);
} }
@ -338,7 +339,8 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false); g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false); g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false); g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false);
g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(204, 153, 153), 1.0f, 0); D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_col.x*255.0f), (int)(clear_col.y*255.0f), (int)(clear_col.z*255.0f), (int)(clear_col.w*255.0f));
g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0);
if (g_pd3dDevice->BeginScene() >= 0) if (g_pd3dDevice->BeginScene() >= 0)
{ {
ImGui::Render(); ImGui::Render();

View File

@ -169,7 +169,7 @@ void InitGL()
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
window = glfwCreateWindow(1280, 720, "ImGui OpenGL example", NULL, NULL); window = glfwCreateWindow(1280, 720, "ImGui OpenGL3 example", NULL, NULL);
glfwMakeContextCurrent(window); glfwMakeContextCurrent(window);
glfwSetKeyCallback(window, glfw_key_callback); glfwSetKeyCallback(window, glfw_key_callback);
glfwSetMouseButtonCallback(window, glfw_mouse_button_callback); glfwSetMouseButtonCallback(window, glfw_mouse_button_callback);
@ -321,6 +321,10 @@ int main(int argc, char** argv)
InitGL(); InitGL();
InitImGui(); InitImGui();
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_col(0.8f, 0.6f, 0.6f, 1.0f);
while (!glfwWindowShouldClose(window)) while (!glfwWindowShouldClose(window))
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
@ -329,17 +333,15 @@ int main(int argc, char** argv)
glfwPollEvents(); glfwPollEvents();
UpdateImGui(); UpdateImGui();
static bool show_test_window = true;
static bool show_another_window = false;
// 1. Show a simple window // 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug" // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
{ {
static float f; static float f;
ImGui::Text("Hello, world!"); ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
show_test_window ^= ImGui::Button("Test Window"); ImGui::ColorEdit3("clear color", (float*)&clear_col);
show_another_window ^= ImGui::Button("Another Window"); if (ImGui::Button("Test Window")) show_test_window ^= 1;
if (ImGui::Button("Another Window")) show_another_window ^= 1;
// Calculate and show frame rate // Calculate and show frame rate
static float ms_per_frame[120] = { 0 }; static float ms_per_frame[120] = { 0 };
@ -364,13 +366,13 @@ int main(int argc, char** argv)
// 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow() // 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
if (show_test_window) if (show_test_window)
{ {
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCondition_FirstUseEver); ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCondition_FirstUseEver);
ImGui::ShowTestWindow(&show_test_window); ImGui::ShowTestWindow(&show_test_window);
} }
// Rendering // Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
glClearColor(0.8f, 0.6f, 0.6f, 1.0f); glClearColor(clear_col.x, clear_col.y, clear_col.z, clear_col.w);
glClear(GL_COLOR_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render(); ImGui::Render();
glfwSwapBuffers(window); glfwSwapBuffers(window);

View File

@ -143,7 +143,7 @@ void InitGL()
if (!glfwInit()) if (!glfwInit())
exit(1); exit(1);
window = glfwCreateWindow(1280, 720, "ImGui OpenGL example", NULL, NULL); window = glfwCreateWindow(1280, 720, "ImGui OpenGL2 example", NULL, NULL);
glfwMakeContextCurrent(window); glfwMakeContextCurrent(window);
glfwSetKeyCallback(window, glfw_key_callback); glfwSetKeyCallback(window, glfw_key_callback);
glfwSetMouseButtonCallback(window, glfw_mouse_button_callback); glfwSetMouseButtonCallback(window, glfw_mouse_button_callback);
@ -255,6 +255,10 @@ int main(int argc, char** argv)
InitGL(); InitGL();
InitImGui(); InitImGui();
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_col(0.8f, 0.6f, 0.6f, 1.0f);
while (!glfwWindowShouldClose(window)) while (!glfwWindowShouldClose(window))
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
@ -262,17 +266,15 @@ int main(int argc, char** argv)
glfwPollEvents(); glfwPollEvents();
UpdateImGui(); UpdateImGui();
static bool show_test_window = true;
static bool show_another_window = false;
// 1. Show a simple window // 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug" // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
{ {
static float f; static float f;
ImGui::Text("Hello, world!"); ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
show_test_window ^= ImGui::Button("Test Window"); ImGui::ColorEdit3("clear color", (float*)&clear_col);
show_another_window ^= ImGui::Button("Another Window"); if (ImGui::Button("Test Window")) show_test_window ^= 1;
if (ImGui::Button("Another Window")) show_another_window ^= 1;
// Calculate and show frame rate // Calculate and show frame rate
static float ms_per_frame[120] = { 0 }; static float ms_per_frame[120] = { 0 };
@ -303,7 +305,7 @@ int main(int argc, char** argv)
// Rendering // Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
glClearColor(0.8f, 0.6f, 0.6f, 1.0f); glClearColor(clear_col.x, clear_col.y, clear_col.z, clear_col.w);
glClear(GL_COLOR_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render(); ImGui::Render();
glfwSwapBuffers(window); glfwSwapBuffers(window);