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 FFScrollArea::keyPressed(gcn::KeyEvent &keyEvent)
{
if (keyEvent.isConsumed())
{
return;
}
if (keyEvent.getKey().getValue() == gcn::Key::Down)
{
setVerticalScrollAmount(getVerticalScrollAmount() + 16);
}
else if (keyEvent.getKey().getValue() == gcn::Key::Up)
{
setVerticalScrollAmount(getVerticalScrollAmount() - 16);
}
}
void ScrollArea::mouseWheelDown(int x, int y)
{
if (hasMouse())
{
setVerticalScrollAmount(getVerticalScrollAmount() + getContentDimension().height / 8);
}
}
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::mouseWheelMovedDown(MouseEvent& mouseEvent)
{
if (mouseEvent.isConsumed())
{
return;
}
setVerticalScrollAmount(getVerticalScrollAmount() + getChildrenArea().height / 8);
mouseEvent.consume();
}
void ScrollArea::showWidgetPart(Widget* widget, Rectangle area)
{
if (widget != getContent())
{
throw GCN_EXCEPTION("Widget not content widget");
}
BasicContainer::showWidgetPart(widget, area);
setHorizontalScrollAmount(getContent()->getFrameSize() - getContent()->getX());
setVerticalScrollAmount(getContent()->getFrameSize() - getContent()->getY());
}
void ScrollArea::mouseDragged(MouseEvent& mouseEvent)
{
if (mIsVerticalMarkerDragged)
{
int pos = mouseEvent.getY() - getVerticalBarDimension().y - mVerticalMarkerDragOffset;
int length = getVerticalMarkerDimension().height;
Rectangle barDim = getVerticalBarDimension();
if ((barDim.height - length) > 0)
{
setVerticalScrollAmount((getVerticalMaxScroll() * pos)
/ (barDim.height - length));
}
else
{
setVerticalScrollAmount(0);
}
}
if (mIsHorizontalMarkerDragged)
{
int pos = mouseEvent.getX() - getHorizontalBarDimension().x - mHorizontalMarkerDragOffset;
int length = getHorizontalMarkerDimension().width;
Rectangle barDim = getHorizontalBarDimension();
if ((barDim.width - length) > 0)
{
setHorizontalScrollAmount((getHorizontalMaxScroll() * pos)
/ (barDim.width - length));
}
else
{
setHorizontalScrollAmount(0);
}
}
mouseEvent.consume();
}
void ScrollArea::logic()
{
checkPolicies();
setVerticalScrollAmount(getVerticalScrollAmount());
setHorizontalScrollAmount(getHorizontalScrollAmount());
if (getContent() != NULL)
{
getContent()->setPosition(-mHScroll + getContent()->getFrameSize(),
-mVScroll + getContent()->getFrameSize());
getContent()->logic();
}
}
void ScrollArea::mouseMotion(int x, int y)
{
if (mVerticalMarkerPressed)
{
int pos = y - getVerticalBarDimension().y - mVerticalMarkerMousePosition;
int length = getVerticalMarkerDimension().height;
Rectangle barDim = getVerticalBarDimension();
if ((barDim.height - length) > 0)
{
setVerticalScrollAmount((getVerticalMaxScroll() * pos)
/ (barDim.height - length));
}
else
{
setVerticalScrollAmount(0);
}
}
if (mHorizontalMarkerPressed)
{
int pos = x - getHorizontalBarDimension().x - mHorizontalMarkerMousePosition;
int length = getHorizontalMarkerDimension().width;
Rectangle barDim = getHorizontalBarDimension();
if ((barDim.width - length) > 0)
{
setHorizontalScrollAmount((getHorizontalMaxScroll() * pos)
/ (barDim.width - length));
}
else
{
setHorizontalScrollAmount(0);
}
}
}
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();
}
}
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();
}
void ScrollArea::setScrollAmount(int hScroll, int vScroll)
{
setHorizontalScrollAmount(hScroll);
setVerticalScrollAmount(vScroll);
}
