Demonstrate creating a simple static window with no decoration + a context-menu to choose which corner of the screen to use.
| 7267 | // Demonstrate creating a simple static window with no decoration |
| 7268 | // + a context-menu to choose which corner of the screen to use. |
| 7269 | static void ShowExampleAppSimpleOverlay(bool* p_open) |
| 7270 | { |
| 7271 | static int corner = 0; |
| 7272 | ImGuiIO& io = ImGui::GetIO(); |
| 7273 | ImGuiWindowFlags window_flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav; |
| 7274 | if (corner != -1) |
| 7275 | { |
| 7276 | const float PAD = 10.0f; |
| 7277 | const ImGuiViewport* viewport = ImGui::GetMainViewport(); |
| 7278 | ImVec2 work_pos = viewport->WorkPos; // Use work area to avoid menu-bar/task-bar, if any! |
| 7279 | ImVec2 work_size = viewport->WorkSize; |
| 7280 | ImVec2 window_pos, window_pos_pivot; |
| 7281 | window_pos.x = (corner & 1) ? (work_pos.x + work_size.x - PAD) : (work_pos.x + PAD); |
| 7282 | window_pos.y = (corner & 2) ? (work_pos.y + work_size.y - PAD) : (work_pos.y + PAD); |
| 7283 | window_pos_pivot.x = (corner & 1) ? 1.0f : 0.0f; |
| 7284 | window_pos_pivot.y = (corner & 2) ? 1.0f : 0.0f; |
| 7285 | ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot); |
| 7286 | window_flags |= ImGuiWindowFlags_NoMove; |
| 7287 | } |
| 7288 | ImGui::SetNextWindowBgAlpha(0.35f); // Transparent background |
| 7289 | if (ImGui::Begin("Example: Simple overlay", p_open, window_flags)) |
| 7290 | { |
| 7291 | IMGUI_DEMO_MARKER("Examples/Simple Overlay"); |
| 7292 | ImGui::Text("Simple overlay\n" "in the corner of the screen.\n" "(right-click to change position)"); |
| 7293 | ImGui::Separator(); |
| 7294 | if (ImGui::IsMousePosValid()) |
| 7295 | ImGui::Text("Mouse Position: (%.1f,%.1f)", io.MousePos.x, io.MousePos.y); |
| 7296 | else |
| 7297 | ImGui::Text("Mouse Position: <invalid>"); |
| 7298 | if (ImGui::BeginPopupContextWindow()) |
| 7299 | { |
| 7300 | if (ImGui::MenuItem("Custom", NULL, corner == -1)) corner = -1; |
| 7301 | if (ImGui::MenuItem("Top-left", NULL, corner == 0)) corner = 0; |
| 7302 | if (ImGui::MenuItem("Top-right", NULL, corner == 1)) corner = 1; |
| 7303 | if (ImGui::MenuItem("Bottom-left", NULL, corner == 2)) corner = 2; |
| 7304 | if (ImGui::MenuItem("Bottom-right", NULL, corner == 3)) corner = 3; |
| 7305 | if (p_open && ImGui::MenuItem("Close")) *p_open = false; |
| 7306 | ImGui::EndPopup(); |
| 7307 | } |
| 7308 | } |
| 7309 | ImGui::End(); |
| 7310 | } |
| 7311 | |
| 7312 | //----------------------------------------------------------------------------- |
| 7313 | // [SECTION] Example App: Fullscreen window / ShowExampleAppFullscreen() |
no test coverage detected