void MyControlButton::setBlendFunc(){
BlendFunc blend = {GL_SRC_ALPHA , GL_ONE};
_bgSprite = ui::Scale9Sprite::createWithSpriteFrame(getBackgroundSprite()->getSprite()->getSpriteFrame());
for (Node * child : _bgSprite->_protectedChildren) {
((Sprite*)child)->setBlendFunc(blend);
}
setBackgroundSpriteForState(_bgSprite, Control::State::HIGH_LIGHTED);
}
virtual void needsLayout(void)
{
if (!_parentInited) {
return;
}
// Hide the background and the label
if (getTitleLabel() != nullptr) {
getTitleLabel()->setVisible(false);
}
if (getBackgroundSprite()) {
getBackgroundSprite()->setVisible(false);
}
// Update anchor of all labels
this->setLabelAnchorPoint(this->_labelAnchorPoint);
// Update the label to match with the current state
_currentTitle = getTitleForState(_state);
_currentTitleColor = getTitleColorForState(_state);
this->setTitleLabel(getTitleLabelForState(_state));
LabelProtocol* label = dynamic_cast<LabelProtocol*>(getTitleLabel());
if (label && !_currentTitle.empty())
{
label->setString(_currentTitle);
}
if (getTitleLabel())
{
getTitleLabel()->setColor(_currentTitleColor);
}
if (getTitleLabel() != nullptr)
{
getTitleLabel()->setPosition(Point (getContentSize().width / 2, getContentSize().height / 2));
}
// Update the background sprite
this->setBackgroundSprite(this->getBackgroundSpriteForState(_state));
if (getBackgroundSprite() != nullptr)
{
getBackgroundSprite()->setPosition(Point (getContentSize().width / 2, getContentSize().height / 2));
}
// Get the title label size
Size titleLabelSize;
if (getTitleLabel() != nullptr)
{
titleLabelSize = getTitleLabel()->getBoundingBox().size;
}
// Adjust the background image if necessary
if (_doesAdjustBackgroundImage)
{
// Add the margins
if (getBackgroundSprite() != nullptr)
{
getBackgroundSprite()->setContentSize(Size(titleLabelSize.width + _marginH * 2, titleLabelSize.height + _marginV * 2));
}
}
else
{
//TODO: should this also have margins if one of the preferred sizes is relaxed?
if (getBackgroundSprite() != nullptr)
{
Size preferredSize = getBackgroundSprite()->getPreferredSize();
if (preferredSize.width <= 0)
{
preferredSize.width = titleLabelSize.width;
}
if (preferredSize.height <= 0)
{
preferredSize.height = titleLabelSize.height;
}
getBackgroundSprite()->setContentSize(preferredSize);
}
}
// Set the content size
Rect rectTitle;
if (getTitleLabel() != nullptr)
{
rectTitle = getTitleLabel()->getBoundingBox();
}
Rect rectBackground;
if (getBackgroundSprite() != nullptr)
{
rectBackground = getBackgroundSprite()->getBoundingBox();
}
Rect maxRect = ControlUtils::RectUnion(rectTitle, rectBackground);
if (_maxSize.width > 0 && maxRect.size.width > _maxSize.width)
maxRect.size.width = _maxSize.width;
if (_maxSize.height > 0 && maxRect.size.height > _maxSize.height)
maxRect.size.height = _maxSize.height;
if (titleLabelSize.width > maxRect.size.width - _horizonPadding * 2)
maxRect.size.width += _horizonPadding * 2;
if (titleLabelSize.height > maxRect.size.height - _verticalPadding * 2)
maxRect.size.height += _verticalPadding * 2;
setContentSize(Size(maxRect.size.width, maxRect.size.height));
if (getTitleLabel() != nullptr)
{
getTitleLabel()->setPosition(Point(getContentSize().width/2, getContentSize().height/2));
// Make visible the background and the label
getTitleLabel()->setVisible(true);
}
if (getBackgroundSprite() != nullptr)
{
getBackgroundSprite()->setPosition(Point(getContentSize().width/2, getContentSize().height/2));
getBackgroundSprite()->setVisible(true);
getBackgroundSprite()->setContentSize(maxRect.size);
}
}
