mirror of https://github.com/ocornut/imgui
Made it guaranteed by API that after calling Begin() the last Item represent the title bar. (#823)
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@ -4589,6 +4589,11 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
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window->InnerRect.Max.x = window->Pos.x + window->Size.x - window->ScrollbarSizes.x;
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window->InnerRect.Max.y = window->Pos.y + window->Size.y - window->ScrollbarSizes.y;
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//window->DrawList->AddRect(window->InnerRect.Min, window->InnerRect.Max, IM_COL32_WHITE);
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// After Begin() we fill the last item / hovered data using the title bar data. Make that a standard behavior (to allow usage of context menus on title bar only, etc.).
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window->DC.LastItemId = window->MoveId;
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window->DC.LastItemRect = title_bar_rect;
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window->DC.LastItemRectHoveredRect = IsMouseHoveringRect(title_bar_rect.Min, title_bar_rect.Max, false);
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}
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// Inner clipping rectangle
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@ -2406,6 +2406,15 @@ struct ExampleAppConsole
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return;
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}
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// As a specific feature guaranteed by the library, after calling Begin() the last Item represent the title bar. So e.g. IsItemHovered() will return true when hovering the title bar.
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// Here we create a context menu only available from the title bar.
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if (ImGui::BeginPopupContextItem())
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{
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if (ImGui::MenuItem("Close"))
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*p_open = false;
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ImGui::EndPopup();
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}
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ImGui::TextWrapped("This example implements a console with basic coloring, completion and history. A more elaborate implementation may want to store entries along with extra data such as timestamp, emitter, etc.");
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ImGui::TextWrapped("Enter 'HELP' for help, press TAB to use text completion.");
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@ -2850,7 +2859,7 @@ static void ShowExampleAppLongText(bool* p_open)
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static ImGuiTextBuffer log;
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static int lines = 0;
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ImGui::Text("Printing unusually long amount of text.");
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ImGui::Combo("Test type", &test_type, "Single call to TextUnformatted()\0Multiple calls to Text(), clipped manually\0Multiple calls to Text(), not clipped\0");
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ImGui::Combo("Test type", &test_type, "Single call to TextUnformatted()\0Multiple calls to Text(), clipped manually\0Multiple calls to Text(), not clipped (slow)\0");
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ImGui::Text("Buffer contents: %d lines, %d bytes", lines, log.size());
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if (ImGui::Button("Clear")) { log.clear(); lines = 0; }
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ImGui::SameLine();
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