Method run_dlg_proc

src/ui/SuggestionMenuButton.cpp:98–204

}

INT_PTR SuggestionMenuButton::run_dlg_proc(UINT message, WPARAM w_param,
                                        LPARAM l_param) {
  POINT p;
  BITMAP bmp;
  int id_img;
  PAINTSTRUCT ps;

  switch (message) {
  case WM_INITDIALOG:

    display(false);
    return 0;

  case WM_MOUSEMOVE:
    m_state_hovered = true;
    reg_msg(_hSelf, MOUSELEAVE);
    RedrawWindow(_hSelf, nullptr, nullptr, RDW_UPDATENOW | RDW_INVALIDATE);
    return 0;

  case WM_MOUSEHOVER:
    return 0;

  case WM_LBUTTONDOWN:
    m_state_pressed = true;
    RedrawWindow(_hSelf, nullptr, nullptr, RDW_UPDATENOW | RDW_INVALIDATE);
    return 0;

  case WM_LBUTTONUP:
    if (!m_state_pressed)
      return 0;
    show_suggestion_menu();
    return 0;

  case WM_MOUSEWHEEL:
    ShowWindow(_hSelf, SW_HIDE);
    {
      ACTIVE_VIEW_BLOCK(m_npp);
      PostMessage(m_npp.get_view_hwnd(), message, w_param,
                  l_param);
    }
    return 0;

  case WM_PAINT: {
    if (!isVisible())
      return 0;

    id_img = IDR_DOWNARROW;
    if (m_state_pressed || m_state_menu)
      id_img = IDR_DOWNARROW_PUSH;
    else if (m_state_hovered)
      id_img = IDR_DOWNARROW_HOVER;

    HDC dc = BeginPaint(_hSelf, &ps);
    HDC hdc_memory = ::CreateCompatibleDC(dc);
    HBITMAP h_bmp = LoadBitmap(_hInst, MAKEINTRESOURCE(id_img));
    GetObject(h_bmp, sizeof(bmp), &bmp);
    auto h_old_bitmap = static_cast<HBITMAP>(SelectObject(hdc_memory, h_bmp));
    SetStretchBltMode(dc, HALFTONE);