void ScrollArea::mousePress(int x, int y, int button)
{
if (getUpButtonDimension().isPointInRect(x, y))
{
setVerticalScrollAmount(getVerticalScrollAmount() - 10);
mUpButtonPressed = true;
}
else if (getDownButtonDimension().isPointInRect(x, y))
{
setVerticalScrollAmount(getVerticalScrollAmount() + 10);
mDownButtonPressed = true;
}
else if (getLeftButtonDimension().isPointInRect(x, y))
{
setHorizontalScrollAmount(getHorizontalScrollAmount() - 10);
mLeftButtonPressed = true;
}
else if (getRightButtonDimension().isPointInRect(x, y))
{
setHorizontalScrollAmount(getHorizontalScrollAmount() + 10);
mRightButtonPressed = true;
}
else if (getVerticalMarkerDimension().isPointInRect(x, y))
{
mVerticalMarkerPressed = true;
mVerticalMarkerMousePosition = y - getVerticalMarkerDimension().y;
}
else if (getHorizontalMarkerDimension().isPointInRect(x, y))
{
mHorizontalMarkerPressed = true;
mHorizontalMarkerMousePosition = x - getHorizontalMarkerDimension().x;
}
}
void ScrollArea::scrollToRectangle(const Rectangle& rectangle)
{
Rectangle contentDim = getContentDimension();
if (rectangle.x + rectangle.width
> getHorizontalScrollAmount() + contentDim.width)
{
setHorizontalScrollAmount(rectangle.x + rectangle.width - contentDim.width);
}
if (rectangle.y + rectangle.height
> getVerticalScrollAmount() + contentDim.height)
{
setVerticalScrollAmount(rectangle.y + rectangle.height - contentDim.height);
}
if (rectangle.x < getHorizontalScrollAmount())
{
setHorizontalScrollAmount(rectangle.x);
}
if (rectangle.y < getVerticalScrollAmount())
{
setVerticalScrollAmount(rectangle.y);
}
}
void ScrollArea::logic()
{
if (!isVisible())
return;
gcn::ScrollArea::logic();
gcn::Widget *content = getContent();
// When no scrollbar in a certain direction, adapt content size to match
// the content dimension exactly.
if (content)
{
if (getHorizontalScrollPolicy() == gcn::ScrollArea::SHOW_NEVER)
{
content->setWidth(getChildrenArea().width -
2 * content->getFrameSize());
}
if (getVerticalScrollPolicy() == gcn::ScrollArea::SHOW_NEVER)
{
content->setHeight(getChildrenArea().height -
2 * content->getFrameSize());
}
}
if (mUpButtonPressed)
{
setVerticalScrollAmount(getVerticalScrollAmount() -
mUpButtonScrollAmount);
}
else if (mDownButtonPressed)
{
setVerticalScrollAmount(getVerticalScrollAmount() +
mDownButtonScrollAmount);
}
else if (mLeftButtonPressed)
{
setHorizontalScrollAmount(getHorizontalScrollAmount() -
mLeftButtonScrollAmount);
}
else if (mRightButtonPressed)
{
setHorizontalScrollAmount(getHorizontalScrollAmount() +
mRightButtonScrollAmount);
}
}
void ScrollArea::logic()
{
checkPolicies();
setVerticalScrollAmount(getVerticalScrollAmount());
setHorizontalScrollAmount(getHorizontalScrollAmount());
if (getContent() != NULL)
{
getContent()->setPosition(-mHScroll + getContent()->getFrameSize(),
-mVScroll + getContent()->getFrameSize());
getContent()->logic();
}
}
void ScrollArea::logic()
{
checkPolicies();
setVerticalScrollAmount(getVerticalScrollAmount());
setHorizontalScrollAmount(getHorizontalScrollAmount());
if (mContent != NULL)
{
mContent->setPosition(-mHScroll + getContentDimension().x + mContent->getBorderSize(),
-mVScroll + getContentDimension().y + mContent->getBorderSize());
mContent->logic();
}
}
Rectangle ScrollArea::getHorizontalMarkerDimension()
{
if (!mHBarVisible)
{
return Rectangle(0, 0, 0, 0);
}
int length, pos;
Rectangle barDim = getHorizontalBarDimension();
if (getContent() && getContent()->getWidth() != 0)
{
length = (barDim.width * getChildrenArea().width)
/ getContent()->getWidth();
}
else
{
length = barDim.width;
}
if (length < mScrollbarWidth)
{
length = mScrollbarWidth;
}
if (length > barDim.width)
{
length = barDim.width;
}
if (getHorizontalMaxScroll() != 0)
{
pos = ((barDim.width - length) * getHorizontalScrollAmount())
/ getHorizontalMaxScroll();
}
else
{
pos = 0;
}
return Rectangle(barDim.x + pos, barDim.y, length, mScrollbarWidth);
}
void ScrollArea::mousePressed(MouseEvent& mouseEvent)
{
int x = mouseEvent.getX();
int y = mouseEvent.getY();
if (getUpButtonDimension().isPointInRect(x, y))
{
setVerticalScrollAmount(getVerticalScrollAmount()
- mUpButtonScrollAmount);
mUpButtonPressed = true;
}
else if (getDownButtonDimension().isPointInRect(x, y))
{
setVerticalScrollAmount(getVerticalScrollAmount()
+ mDownButtonScrollAmount);
mDownButtonPressed = true;
}
else if (getLeftButtonDimension().isPointInRect(x, y))
{
setHorizontalScrollAmount(getHorizontalScrollAmount()
- mLeftButtonScrollAmount);
mLeftButtonPressed = true;
}
else if (getRightButtonDimension().isPointInRect(x, y))
{
setHorizontalScrollAmount(getHorizontalScrollAmount()
+ mRightButtonScrollAmount);
mRightButtonPressed = true;
}
else if (getVerticalMarkerDimension().isPointInRect(x, y))
{
mIsHorizontalMarkerDragged = false;
mIsVerticalMarkerDragged = true;
mVerticalMarkerDragOffset = y - getVerticalMarkerDimension().y;
}
else if (getVerticalBarDimension().isPointInRect(x,y))
{
if (y < getVerticalMarkerDimension().y)
{
setVerticalScrollAmount(getVerticalScrollAmount()
- (int)(getChildrenArea().height * 0.95));
}
else
{
setVerticalScrollAmount(getVerticalScrollAmount()
+ (int)(getChildrenArea().height * 0.95));
}
}
else if (getHorizontalMarkerDimension().isPointInRect(x, y))
{
mIsHorizontalMarkerDragged = true;
mIsVerticalMarkerDragged = false;
mHorizontalMarkerDragOffset = x - getHorizontalMarkerDimension().x;
}
else if (getHorizontalBarDimension().isPointInRect(x,y))
{
if (x < getHorizontalMarkerDimension().x)
{
setHorizontalScrollAmount(getHorizontalScrollAmount()
- (int)(getChildrenArea().width * 0.95));
}
else
{
setHorizontalScrollAmount(getHorizontalScrollAmount()
+ (int)(getChildrenArea().width * 0.95));
}
}
// Eat the mouse
mouseEvent.consume();
}
