Method OnDraw

ui/UIButton.cpp:223–254

behavior when gadget is being drawn.

// behavior when gadget is being drawn.
void UIButton::OnDraw() {
  //	do state based drawing
  //	determine colors here.
  if (IsDisabled())
    m_State = UI_BTS_DISABLED;

  switch (m_State) {
  case UI_BTS_ACTIVATED:
  case UI_BTS_HILITE:
    ui_DrawLTBox(GR_BLACK, GR_LIGHTGRAY, 0, 0, m_W, m_H);
    break;

  case UI_BTS_INACTIVE:
    ui_DrawLTBox(GR_LIGHTGRAY, GR_BLACK, 0, 0, m_W, m_H);
    break;

  case UI_BTS_DISABLED:
    ui_DrawLTBox(GR_DARKGRAY, GR_DARKGRAY, 0, 0, m_W, m_H);
    break;

  default:
    Int3();
  }

  ui_DrawRect(m_Colors[m_State], 1, 1, m_W - 1, m_H - 1);

  if (m_Items[m_State]) {
    int x = (m_W / 2 - m_Items[m_State]->width() / 2);
    int y = (m_H / 2 - m_Items[m_State]->height() / 2);
    m_Items[m_State]->draw(x, y, IsDisabled() ? uiDrawFaded : uiDrawNormal);
  }
}

// behavior when key is pressed.
void UIButton::OnKeyDown(int key) {}