Demonstrate creating a simple static window with no decoration + a context-menu to choose which corner of the screen to use.
| 9910 | // Demonstrate creating a simple static window with no decoration |
| 9911 | // + a context-menu to choose which corner of the screen to use. |
| 9912 | static void ShowExampleAppSimpleOverlay(bool* p_open) |
| 9913 | { |
| 9914 | static int location = 0; |
| 9915 | ImGuiIO& io = ImGui::GetIO(); |
| 9916 | ImGuiWindowFlags window_flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav; |
| 9917 | if (location >= 0) |
| 9918 | { |
| 9919 | const float PAD = 10.0f; |
| 9920 | const ImGuiViewport* viewport = ImGui::GetMainViewport(); |
| 9921 | ImVec2 work_pos = viewport->WorkPos; // Use work area to avoid menu-bar/task-bar, if any! |
| 9922 | ImVec2 work_size = viewport->WorkSize; |
| 9923 | ImVec2 window_pos, window_pos_pivot; |
| 9924 | window_pos.x = (location & 1) ? (work_pos.x + work_size.x - PAD) : (work_pos.x + PAD); |
| 9925 | window_pos.y = (location & 2) ? (work_pos.y + work_size.y - PAD) : (work_pos.y + PAD); |
| 9926 | window_pos_pivot.x = (location & 1) ? 1.0f : 0.0f; |
| 9927 | window_pos_pivot.y = (location & 2) ? 1.0f : 0.0f; |
| 9928 | ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot); |
| 9929 | window_flags |= ImGuiWindowFlags_NoMove; |
| 9930 | } |
| 9931 | else if (location == -2) |
| 9932 | { |
| 9933 | // Center window |
| 9934 | ImGui::SetNextWindowPos(ImGui::GetMainViewport()->GetCenter(), ImGuiCond_Always, ImVec2(0.5f, 0.5f)); |
| 9935 | window_flags |= ImGuiWindowFlags_NoMove; |
| 9936 | } |
| 9937 | ImGui::SetNextWindowBgAlpha(0.35f); // Transparent background |
| 9938 | if (ImGui::Begin("Example: Simple overlay", p_open, window_flags)) |
| 9939 | { |
| 9940 | IMGUI_DEMO_MARKER("Examples/Simple overlay"); // Scroll up to the beginning of this function to see overlay flags |
| 9941 | ImGui::Text("Simple overlay\n" "(right-click to change position)"); |
| 9942 | ImGui::Separator(); |
| 9943 | if (ImGui::IsMousePosValid()) |
| 9944 | ImGui::Text("Mouse Position: (%.1f,%.1f)", io.MousePos.x, io.MousePos.y); |
| 9945 | else |
| 9946 | ImGui::Text("Mouse Position: <invalid>"); |
| 9947 | if (ImGui::BeginPopupContextWindow()) |
| 9948 | { |
| 9949 | if (ImGui::MenuItem("Custom", NULL, location == -1)) location = -1; |
| 9950 | if (ImGui::MenuItem("Center", NULL, location == -2)) location = -2; |
| 9951 | if (ImGui::MenuItem("Top-left", NULL, location == 0)) location = 0; |
| 9952 | if (ImGui::MenuItem("Top-right", NULL, location == 1)) location = 1; |
| 9953 | if (ImGui::MenuItem("Bottom-left", NULL, location == 2)) location = 2; |
| 9954 | if (ImGui::MenuItem("Bottom-right", NULL, location == 3)) location = 3; |
| 9955 | if (p_open && ImGui::MenuItem("Close")) *p_open = false; |
| 9956 | ImGui::EndPopup(); |
| 9957 | } |
| 9958 | } |
| 9959 | ImGui::End(); |
| 9960 | } |
| 9961 | |
| 9962 | //----------------------------------------------------------------------------- |
| 9963 | // [SECTION] Example App: Fullscreen window / ShowExampleAppFullscreen() |
no test coverage detected