Method drawButtonHints

src/components/themes/BaseTheme.cpp:157–186

}

void BaseTheme::drawButtonHints(GfxRenderer& renderer, const char* btn1, const char* btn2, const char* btn3,
                                const char* btn4) const {
  const GfxRenderer::Orientation orig_orientation = renderer.getOrientation();
  renderer.setOrientation(GfxRenderer::Orientation::Portrait);

  const int pageHeight = renderer.getScreenHeight();
  constexpr int buttonWidth = 106;
  constexpr int buttonHeight = BaseMetrics::values.buttonHintsHeight;
  constexpr int buttonY = BaseMetrics::values.buttonHintsHeight;  // Distance from bottom
  constexpr int textYOffset = 7;                                  // Distance from top of button to text baseline
  // X3 has wider screen in portrait (528 vs 480), use more spacing
  constexpr int x4ButtonPositions[] = {25, 130, 245, 350};
  constexpr int x3ButtonPositions[] = {38, 154, 268, 384};
  const int* buttonPositions = gpio.deviceIsX3() ? x3ButtonPositions : x4ButtonPositions;
  const char* labels[] = {btn1, btn2, btn3, btn4};

  for (int i = 0; i < 4; i++) {
    // Only draw if the label is non-empty
    if (labels[i] != nullptr && labels[i][0] != '\0') {
      const int x = buttonPositions[i];
      renderer.fillRect(x, pageHeight - buttonY, buttonWidth, buttonHeight, false);
      renderer.drawRect(x, pageHeight - buttonY, buttonWidth, buttonHeight);
      const int textWidth = renderer.getTextWidth(UI_10_FONT_ID, labels[i]);
      const int textX = x + (buttonWidth - 1 - textWidth) / 2;
      renderer.drawText(UI_10_FONT_ID, textX, pageHeight - buttonY + textYOffset, labels[i]);
    }
  }

  renderer.setOrientation(orig_orientation);
}

void BaseTheme::drawSideButtonHints(const GfxRenderer& renderer, const char* topBtn, const char* bottomBtn) const {
  const int screenWidth = renderer.getScreenWidth();