Method ShowIDStackToolWindow

src/imgui/imgui.cpp:17781–17866

ID Stack Tool: Display UI

// ID Stack Tool: Display UI
void ImGui::ShowIDStackToolWindow(bool* p_open)
{
    ImGuiContext& g = *GImGui;
    if ((g.NextWindowData.HasFlags & ImGuiNextWindowDataFlags_HasSize) == 0)
        SetNextWindowSize(ImVec2(0.0f, GetFontSize() * 8.0f), ImGuiCond_FirstUseEver);
    if (!Begin("Dear ImGui ID Stack Tool", p_open) || GetCurrentWindow()->BeginCount > 1)
    {
        End();
        return;
    }

    // Display hovered/active status
    ImGuiIDStackTool* tool = &g.DebugIDStackTool;

    // Build and display path
    tool->ResultTempBuf.resize(0);
    for (int stack_n = 0; stack_n < tool->Results.Size; stack_n++)
    {
        char level_desc[256];
        StackToolFormatLevelInfo(tool, stack_n, false, level_desc, IM_ARRAYSIZE(level_desc));
        tool->ResultTempBuf.append(stack_n == 0 ? "//" : "/");
        for (const char* p = level_desc; *p != 0; )
        {
            unsigned int c;
            const char* p_next = p + ImTextCharFromUtf8(&c, p, NULL);
            if (c == '/')
                tool->ResultTempBuf.append("\\");
            if (c < 256 || !tool->OptHexEncodeNonAsciiChars)
                tool->ResultTempBuf.append(p, p_next);
            else for (; p < p_next; p++)
                tool->ResultTempBuf.appendf("\\x%02x", (unsigned char)*p);
            p = p_next;
        }
    }
    Text("0x%08X", tool->QueryMainId);
    SameLine();
    MetricsHelpMarker("Hover an item with the mouse to display elements of the ID Stack leading to the item's final ID.\nEach level of the stack correspond to a PushID() call.\nAll levels of the stack are hashed together to make the final ID of a widget (ID displayed at the bottom level of the stack).\nRead FAQ entry about the ID stack for details.");

    // CTRL+C to copy path
    const float time_since_copy = (float)g.Time - tool->CopyToClipboardLastTime;
    PushStyleVarY(ImGuiStyleVar_FramePadding, 0.0f);
    Checkbox("Hex-encode non-ASCII", &tool->OptHexEncodeNonAsciiChars);
    SameLine();
    Checkbox("Ctrl+C: copy path", &tool->OptCopyToClipboardOnCtrlC);
    PopStyleVar();
    SameLine();
    TextColored((time_since_copy >= 0.0f && time_since_copy < 0.75f && ImFmod(time_since_copy, 0.25f) < 0.25f * 0.5f) ? ImVec4(1.f, 1.f, 0.3f, 1.f) : ImVec4(), "*COPIED*");
    if (tool->OptCopyToClipboardOnCtrlC && Shortcut(ImGuiMod_Ctrl | ImGuiKey_C, ImGuiInputFlags_RouteGlobal | ImGuiInputFlags_RouteOverFocused))
    {
        tool->CopyToClipboardLastTime = (float)g.Time;
        SetClipboardText(tool->ResultTempBuf.c_str());
    }

    Text("- Path \"%s\"", tool->ResultTempBuf.c_str());
#ifdef IMGUI_ENABLE_TEST_ENGINE
    Text("- Label \"%s\"", tool->QueryMainId ? ImGuiTestEngine_FindItemDebugLabel(&g, tool->QueryMainId) : "");
#endif