void PBListBox::updateScrollBar()
{
int listCapacity;
PBScrollBar *scrollBar = GetVScroll();
if (scrollBar)
{
listCapacity = calcListCapacity();
scrollBar->setMinimum(0);
scrollBar->setMaximum(count() - listCapacity);
scrollBar->setPageStep(listCapacity);
scrollBar->setValue(m_listOffset);
}
}
void DisplayElement::Draw (DISPLAY_INT iScreenX, DISPLAY_INT iScreenY, WebRect *pViewport, WebGraphics *pGC)
{
DisplayElement *pChild = mpFirstChild;
WebRect clip, saveClip, screenClip;
WEBC_BOOL clipRestore = WEBC_FALSE;
pGC->GetClip(&saveClip);
clip.Set(&saveClip);
if (GetOverflow() != DISPLAY_OVERFLOW_VISIBLE)
//if (GetOverflow() == DISPLAY_OVERFLOW_HIDDEN)
{
GetClipRect(&screenClip);
screenClip.Shift(iScreenX - mRect.left, iScreenY - mRect.top);
if (!clip.Overlaps(&screenClip))
{
// we're not visible, so neither are our children
return;
}
clip.And(&screenClip);
pGC->SetClip(&clip);
clipRestore = WEBC_TRUE;
}
WebRect screenRect(mRect);
screenRect.MoveTo(iScreenX, iScreenY);
mScreenRect = screenRect; // April2013 - save the screenrect of last known draw and subtract boundaries of the display manager screenrect
DisplayManager*pManager= this->GetManager();
if (pManager && pManager->mBrowser)
pManager=pManager->mBrowser->GetDisplayManager();
if (pManager)
{
WebRect r;
// printf("Not working all the way \n");
r=pManager->mScreenRect;
mScreenRect.top -= r.top;
mScreenRect.bottom -= r.top;
mScreenRect.left -= r.left;
mScreenRect.right -= r.left;
} // April2013 - end save the screenrect of last known draw and subtract boundaries of the display manager screenrect
// Start drawing
// pGC->StartBuffer();
// Draw negative-z children
while (pChild && (pChild->GetZIndex() < 0))
{
if (pChild->mFlags & DISPLAY_FLAG_FIXED_POS)
{
pChild->Draw(pViewport->left + pChild->mRect.left, pViewport->top + pChild->mRect.top, pViewport, pGC);
}
else
{
pChild->Draw(iScreenX + pChild->mRect.left, iScreenY + pChild->mRect.top, pViewport, pGC);
}
pChild = pChild->mpNext;
}
// if I am visible
if (screenRect.Overlaps(&clip))
{
// Draw myself
DrawThisOnly(iScreenX, iScreenY, pGC);
}
#if (INCLUDE_EXPERIMENTAL_DIV_SCROLLBARS)
int xContentOffset=0;
int yContentOffset=0;
if (clipRestore && vScrollWidth() || hScrollWidth())
{
WebRect contentClip;
contentClip.Set(&clip);
contentClip.SetHeight(contentClip.Height()-hScrollWidth());
contentClip.SetWidth(contentClip.Width()-vScrollWidth());
pGC->SetClip(&contentClip);
if (GetHScroll())
{
WebHScroll *pScroll = (WebHScroll *)GetHScroll();
xContentOffset=pScroll->GetPosition();
}
if (GetVScroll())
{
WebVScroll *pScroll = (WebVScroll *)GetVScroll();
yContentOffset=pScroll->GetPosition();
if (yContentOffset)
{ // If we have a y offset step i nto the content holder element
// so we don't exclude the whole thing becuase it is out of our
// range.
// if (GetInlineContentHolder())
// pChild = GetInlineContentHolder()->mpFirstChild;
;
}
}
}
#endif
// Draw positive-z children
while (pChild)
{
#if (INCLUDE_EXPERIMENTAL_DIV_SCROLLBARS)
if (pChild->IncludeInFlow() && pChild->mRect.bottom >= yContentOffset && pChild->mRect.right >= xContentOffset)
{
if (pChild->mFlags & DISPLAY_FLAG_FIXED_POS)
{
pChild->Draw(pViewport->left+pChild->mRect.left-xContentOffset, pViewport->top+pChild->mRect.top-yContentOffset, pViewport, pGC);
}
else
{
pChild->Draw(iScreenX + pChild->mRect.left-xContentOffset, iScreenY+pChild->mRect.top-yContentOffset, pViewport, pGC);
}
}
#else
if (pChild->mFlags & DISPLAY_FLAG_FIXED_POS)
{
pChild->Draw(pViewport->left + pChild->mRect.left, pViewport->top + pChild->mRect.top, pViewport, pGC);
}
else
{
pChild->Draw(iScreenX + pChild->mRect.left, iScreenY + pChild->mRect.top, pViewport, pGC);
}
#endif
pChild = pChild->mpNext;
}
if (clipRestore)
{
pGC->SetClip(&saveClip);
}
#if (INCLUDE_EXPERIMENTAL_DIV_SCROLLBARS)
if (clipRestore && vScrollWidth() || hScrollWidth())
{
DisplayElement *pScroll;
if (GetHScroll())
{
pScroll = (WebHScroll *)GetHScroll();
pScroll->Draw(iScreenX + pScroll->mRect.left, iScreenY + pScroll->mRect.top, pViewport, pGC);
}
if (GetVScroll())
{
pScroll = (WebVScroll *)GetVScroll();
pScroll->Draw(iScreenX + pScroll->mRect.left, iScreenY + pScroll->mRect.top, pViewport, pGC);
}
pGC->SetClip(&saveClip);
}
#endif
// pGC->EndBuffer();
}
