Method TabItemEx

KBotExt/imgui/imgui_widgets.cpp:8283–8503

}

bool    ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, ImGuiTabItemFlags flags, ImGuiWindow* docked_window)
{
	// Layout whole tab bar if not already done
	ImGuiContext& g = *GImGui;
	if (tab_bar->WantLayout)
	{
		ImGuiNextItemData backup_next_item_data = g.NextItemData;
		TabBarLayout(tab_bar);
		g.NextItemData = backup_next_item_data;
	}
	ImGuiWindow* window = g.CurrentWindow;
	if (window->SkipItems)
		return false;

	const ImGuiStyle& style = g.Style;
	const ImGuiID id = TabBarCalcTabID(tab_bar, label, docked_window);

	// If the user called us with *p_open == false, we early out and don't render.
	// We make a call to ItemAdd() so that attempts to use a contextual popup menu with an implicit ID won't use an older ID.
	IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags);
	if (p_open && !*p_open)
	{
		ItemAdd(ImRect(), id, NULL, ImGuiItemFlags_NoNav);
		return false;
	}

	IM_ASSERT(!p_open || !(flags & ImGuiTabItemFlags_Button));
	IM_ASSERT((flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)) != (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)); // Can't use both Leading and Trailing

	// Store into ImGuiTabItemFlags_NoCloseButton, also honor ImGuiTabItemFlags_NoCloseButton passed by user (although not documented)
	if (flags & ImGuiTabItemFlags_NoCloseButton)
		p_open = NULL;
	else if (p_open == NULL)
		flags |= ImGuiTabItemFlags_NoCloseButton;

	// Acquire tab data
	ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, id);
	bool tab_is_new = false;
	if (tab == NULL)
	{
		tab_bar->Tabs.push_back(ImGuiTabItem());
		tab = &tab_bar->Tabs.back();
		tab->ID = id;
		tab_bar->TabsAddedNew = tab_is_new = true;
	}
	tab_bar->LastTabItemIdx = (ImS16)tab_bar->Tabs.index_from_ptr(tab);

	// Calculate tab contents size
	ImVec2 size = TabItemCalcSize(label, (p_open != NULL) || (flags & ImGuiTabItemFlags_UnsavedDocument));
	tab->RequestedWidth = -1.0f;
	if (g.NextItemData.Flags & ImGuiNextItemDataFlags_HasWidth)
		size.x = tab->RequestedWidth = g.NextItemData.Width;
	if (tab_is_new)
		tab->Width = ImMax(1.0f, size.x);
	tab->ContentWidth = size.x;
	tab->BeginOrder = tab_bar->TabsActiveCount++;

	const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount);