void ScrollArea::finishUpdate(void)
{
mScrollbarVisible = (mTotalArea.height > mRenderView.getSize().y);
if (mScrollbarVisible) {
const float scrollRatio = 1.f - ((mTotalArea.height - mScrollTop - mRenderView.getSize().y) / (mTotalArea.height - mRenderView.getSize().y));
const float scrollbarLeft = mRenderView.getCenter().x + .5f * mRenderView.getSize().x - mScrollbarWidth;
const float scrollbarHeight = mRenderView.getSize().y * mRenderView.getSize().y / mTotalArea.height;
const float scrollbarTop = scrollRatio * (mRenderView.getSize().y - scrollbarHeight);
sf::FloatRect scrollbarRect(mTotalArea.left + scrollbarLeft, mTotalArea.top + scrollbarTop, mScrollbarWidth, scrollbarHeight);
if (mMouseDown)
scrollAreaVertical(mMousePos.y - mLastMousePos.y);
bool mouseOverScrollbar = scrollbarRect.contains(mMousePos);
if (sf::Mouse::isButtonPressed(sf::Mouse::Button::Left)) {
if (mouseOverScrollbar) {
mMouseDown = true;
mLastMousePos = mMousePos;
}
}
else {
mMouseDown = false;
}
mScrollbarSprite.setScale(mScrollbarWidth / mScrollbarTexture.getSize().x, scrollbarHeight / mScrollbarTexture.getSize().y);
mScrollbarSprite.setPosition(scrollbarRect.left, scrollbarRect.top);
mScrollbarSprite.setColor(sf::Color(255U, 255U, 255U, (mouseOverScrollbar || mMouseDown) ? 224U : 160U));
}
mContentsSprite.setTexture(mRenderTexture.getTexture());
}
void HierarchyPanel::displayScrollbars()
{
Rect container(position.x + position.width - 20,
position.y + (ITEM_HEIGHT * 3),
20,
position.height - (ITEM_HEIGHT * 4));
Rect scrollbarRect(container.x, container.y + scrollPos,
container.width, 20);
Gui::box(container, "");
Rect upRect(container.x, container.y - ITEM_HEIGHT, ITEM_HEIGHT, ITEM_HEIGHT);
Gui::button(upRect, "");
if(Input::getMouseButton(0) == true &&
upRect.contains(Input::getMousePosition()) == true)
{
scrollPos -= 100 * Time::getDeltaTime();
}
Rect downRect(container.x, container.y + container.height,
ITEM_HEIGHT, ITEM_HEIGHT);
Gui::button(downRect, "");
if(Input::getMouseButton(0) == true &&
downRect.contains(Input::getMousePosition()) == true)
{
scrollPos += 100 * Time::getDeltaTime();
}
scrollbarRect.height = ((float)maxDisplay / (float)totalDisplay)
* (float)container.height;
//Gui::drawTexture(scrollbarRect, scrollbarTexture);
//Gui::button(scrollbarRect, "");
Graphics::drawTexture(scrollbarRect, scrollbarTexture, Rect(0, 0, 1, 1),
5, 5, 5, 5);
if(scrolling == false)
{
if(Input::getMouseButtonDown(0) == true &&
scrollbarRect.contains(Input::getMousePosition()) == true)
{
mousePos = Input::getMousePosition().y;
scrolling = true;
}
}
else
{
scrollPos += Input::getMousePosition().y - mousePos;
mousePos = Input::getMousePosition().y;
if(Input::getMouseButtonUp(0) == true)
{
scrolling = false;
}
}
if(scrollPos + scrollbarRect.height > container.height)
{
scrollPos = container.height - scrollbarRect.height;
}
if(scrollPos < 0)
{
scrollPos = 0;
}
float percent = 0;
if(scrollPos == 0)
{
percent = 0;
}
else
{
percent = scrollPos / (container.height - scrollbarRect.height);
}
//std::cout << percent << std::endl;
startDisplay = (totalDisplay - maxDisplay) * percent;
}