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Docking: Tabs use their own identifier (in order to make window->ID refer to whole window in test engine). Also prevents Tab ID from clashing with "" which was common.
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@ -7584,7 +7584,7 @@ static ImU32 ImGui::TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label, I
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{
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IM_UNUSED(tab_bar);
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IM_ASSERT(tab_bar->Flags & ImGuiTabBarFlags_DockNode);
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ImGuiID id = ImHashStr(label);
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ImGuiID id = docked_window->TabId;
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KeepAliveID(id);
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return id;
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}
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@ -7629,14 +7629,14 @@ ImGuiTabItem* ImGui::TabBarFindMostRecentlySelectedTabForActiveWindow(ImGuiTabBa
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void ImGui::TabBarAddTab(ImGuiTabBar* tab_bar, ImGuiTabItemFlags tab_flags, ImGuiWindow* window)
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{
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ImGuiContext& g = *GImGui;
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IM_ASSERT(TabBarFindTabByID(tab_bar, window->ID) == NULL);
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IM_ASSERT(TabBarFindTabByID(tab_bar, window->TabId) == NULL);
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IM_ASSERT(g.CurrentTabBar != tab_bar); // Can't work while the tab bar is active as our tab doesn't have an X offset yet, in theory we could/should test something like (tab_bar->CurrFrameVisible < g.FrameCount) but we'd need to solve why triggers the commented early-out assert in BeginTabBarEx() (probably dock node going from implicit to explicit in same frame)
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if (!window->HasCloseButton)
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tab_flags |= ImGuiTabItemFlags_NoCloseButton; // Set _NoCloseButton immediately because it will be used for first-frame width calculation.
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ImGuiTabItem new_tab;
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new_tab.ID = window->ID;
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new_tab.ID = window->TabId;
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new_tab.Flags = tab_flags;
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new_tab.LastFrameVisible = tab_bar->CurrFrameVisible; // Required so BeginTabBar() doesn't ditch the tab
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if (new_tab.LastFrameVisible == -1)
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@ -8209,7 +8209,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
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flags |= ImGuiTabItemFlags_NoCloseWithMiddleMouseButton;
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// Render tab label, process close button
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const ImGuiID close_button_id = p_open ? GetIDWithSeed("#CLOSE", NULL, id) : 0;
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const ImGuiID close_button_id = p_open ? GetIDWithSeed("#CLOSE", NULL, docked_window ? docked_window->ID : id) : 0;
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bool just_closed;
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bool text_clipped;
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TabItemLabelAndCloseButton(display_draw_list, bb, flags, tab_bar->FramePadding, label, id, close_button_id, tab_contents_visible, &just_closed, &text_clipped);
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