Method DebugNodeTabBar

tutorials/common/imgui/imgui.cpp:13715–13755

[DEBUG] Display contents of ImGuiTabBar

// [DEBUG] Display contents of ImGuiTabBar
void ImGui::DebugNodeTabBar(ImGuiTabBar* tab_bar, const char* label)
{
    // Standalone tab bars (not associated to docking/windows functionality) currently hold no discernible strings.
    char buf[256];
    char* p = buf;
    const char* buf_end = buf + IM_ARRAYSIZE(buf);
    const bool is_active = (tab_bar->PrevFrameVisible >= GetFrameCount() - 2);
    p += ImFormatString(p, buf_end - p, "%s 0x%08X (%d tabs)%s", label, tab_bar->ID, tab_bar->Tabs.Size, is_active ? "" : " *Inactive*");
    p += ImFormatString(p, buf_end - p, "  { ");
    for (int tab_n = 0; tab_n < ImMin(tab_bar->Tabs.Size, 3); tab_n++)
    {
        ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
        p += ImFormatString(p, buf_end - p, "%s'%s'",
            tab_n > 0 ? ", " : "", (tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "???");
    }
    p += ImFormatString(p, buf_end - p, (tab_bar->Tabs.Size > 3) ? " ... }" : " } ");
    if (!is_active) { PushStyleColor(ImGuiCol_Text, GetStyleColorVec4(ImGuiCol_TextDisabled)); }
    bool open = TreeNode(label, "%s", buf);
    if (!is_active) { PopStyleColor(); }
    if (is_active && IsItemHovered())
    {
        ImDrawList* draw_list = GetForegroundDrawList();
        draw_list->AddRect(tab_bar->BarRect.Min, tab_bar->BarRect.Max, IM_COL32(255, 255, 0, 255));
        draw_list->AddLine(ImVec2(tab_bar->ScrollingRectMinX, tab_bar->BarRect.Min.y), ImVec2(tab_bar->ScrollingRectMinX, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255));
        draw_list->AddLine(ImVec2(tab_bar->ScrollingRectMaxX, tab_bar->BarRect.Min.y), ImVec2(tab_bar->ScrollingRectMaxX, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255));
    }
    if (open)
    {
        for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
        {
            const ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
            PushID(tab);
            if (SmallButton("<")) { TabBarQueueReorder(tab_bar, tab, -1); } SameLine(0, 2);
            if (SmallButton(">")) { TabBarQueueReorder(tab_bar, tab, +1); } SameLine();
            Text("%02d%c Tab 0x%08X '%s' Offset: %.2f, Width: %.2f/%.2f",
                tab_n, (tab->ID == tab_bar->SelectedTabId) ? '*' : ' ', tab->ID, (tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "???", tab->Offset, tab->Width, tab->ContentWidth);
            PopID();
        }
        TreePop();
    }
}

void ImGui::DebugNodeViewport(ImGuiViewportP* viewport)
{