| 30 | namespace oid::host { |
| 31 | |
| 32 | void draw_menu_bar(bool& request_quit) { |
| 33 | bool open_about = false; |
| 34 | |
| 35 | if (ImGui::BeginMainMenuBar()) { |
| 36 | if (ImGui::BeginMenu("File")) { |
| 37 | if (ImGui::MenuItem("Quit")) { |
| 38 | request_quit = true; |
| 39 | } |
| 40 | ImGui::EndMenu(); |
| 41 | } |
| 42 | if (ImGui::BeginMenu("Help")) { |
| 43 | if (ImGui::MenuItem("About")) { |
| 44 | open_about = true; |
| 45 | } |
| 46 | ImGui::EndMenu(); |
| 47 | } |
| 48 | ImGui::EndMainMenuBar(); |
| 49 | } |
| 50 | |
| 51 | if (open_about) { |
| 52 | ImGui::OpenPopup("About"); |
| 53 | } |
| 54 | |
| 55 | // Centered on the viewport rather than wherever the menu happened to |
| 56 | // be, since the trigger is a top-of-screen menu click. |
| 57 | const ImGuiViewport* vp = ImGui::GetMainViewport(); |
| 58 | ImGui::SetNextWindowPos(ImVec2(vp->WorkPos.x + vp->WorkSize.x * 0.5f, |
| 59 | vp->WorkPos.y + vp->WorkSize.y * 0.5f), |
| 60 | ImGuiCond_Appearing, |
| 61 | ImVec2(0.5f, 0.5f)); |
| 62 | if (ImGui::BeginPopupModal( |
| 63 | "About", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) { |
| 64 | ImGui::TextUnformatted("OpenImageDebugger (ImGui frontend)"); |
| 65 | if (ImGui::Button("Close")) { |
| 66 | ImGui::CloseCurrentPopup(); |
| 67 | } |
| 68 | ImGui::EndPopup(); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | } // namespace oid::host |