IntRect ScrollbarThemeSafari::trackRect(Scrollbar& scrollbar, bool painting)
{
if (painting || !hasButtons(scrollbar))
return scrollbar.frameRect();
IntRect result;
int thickness = scrollbarThickness(scrollbar.controlSize());
if (scrollbar.orientation() == HorizontalScrollbar)
return IntRect(scrollbar.x() + cButtonLength[scrollbar.controlSize()], scrollbar.y(), scrollbar.width() - 2 * cButtonLength[scrollbar.controlSize()], thickness);
return IntRect(scrollbar.x(), scrollbar.y() + cButtonLength[scrollbar.controlSize()], thickness, scrollbar.height() - 2 * cButtonLength[scrollbar.controlSize()]);
}
IntRect ScrollbarThemeWin::trackRect(Scrollbar& scrollbar, bool)
{
int thickness = scrollbarThickness();
if (scrollbar.orientation() == HorizontalScrollbar) {
if (scrollbar.width() < 2 * thickness)
return IntRect();
return IntRect(scrollbar.x() + thickness, scrollbar.y(), scrollbar.width() - 2 * thickness, thickness);
}
if (scrollbar.height() < 2 * thickness)
return IntRect();
return IntRect(scrollbar.x(), scrollbar.y() + thickness, thickness, scrollbar.height() - 2 * thickness);
}
void PopupMenuWin::invalidateScrollbarRect(Scrollbar& scrollbar, const IntRect& rect)
{
IntRect scrollRect = rect;
scrollRect.move(scrollbar.x(), scrollbar.y());
RECT r = scrollRect;
::InvalidateRect(m_popup, &r, false);
}
IntRect ScrollbarThemeSafari::forwardButtonRect(Scrollbar& scrollbar, ScrollbarPart part, bool painting)
{
IntRect result;
// Windows just has single arrows.
if (part == ForwardButtonStartPart)
return result;
int thickness = scrollbarThickness(scrollbar.controlSize());
if (scrollbar.orientation() == HorizontalScrollbar)
result = IntRect(scrollbar.x() + scrollbar.width() - cButtonLength[scrollbar.controlSize()], scrollbar.y(), cButtonLength[scrollbar.controlSize()], thickness);
else
result = IntRect(scrollbar.x(), scrollbar.y() + scrollbar.height() - cButtonLength[scrollbar.controlSize()], thickness, cButtonLength[scrollbar.controlSize()]);
if (painting)
return buttonRepaintRect(result, scrollbar.orientation(), scrollbar.controlSize(), false);
return result;
}
IntRect ScrollbarThemeSafari::backButtonRect(Scrollbar& scrollbar, ScrollbarPart part, bool painting)
{
IntRect result;
// Windows just has single arrows.
if (part == BackButtonEndPart)
return result;
int thickness = scrollbarThickness(scrollbar.controlSize());
if (scrollbar.orientation() == HorizontalScrollbar)
result = IntRect(scrollbar.x(), scrollbar.y(), cButtonLength[scrollbar.controlSize()], thickness);
else
result = IntRect(scrollbar.x(), scrollbar.y(), thickness, cButtonLength[scrollbar.controlSize()]);
if (painting)
return buttonRepaintRect(result, scrollbar.orientation(), scrollbar.controlSize(), true);
return result;
}
IntRect ScrollbarThemeWin::backButtonRect(Scrollbar& scrollbar, ScrollbarPart part, bool)
{
// Windows just has single arrows.
if (part == BackButtonEndPart)
return IntRect();
// Our desired rect is essentially 17x17.
// Our actual rect will shrink to half the available space when
// we have < 34 pixels left. This allows the scrollbar
// to scale down and function even at tiny sizes.
int thickness = scrollbarThickness();
if (scrollbar.orientation() == HorizontalScrollbar)
return IntRect(scrollbar.x(), scrollbar.y(),
scrollbar.width() < 2 * thickness ? scrollbar.width() / 2 : thickness, thickness);
return IntRect(scrollbar.x(), scrollbar.y(),
thickness, scrollbar.height() < 2 * thickness ? scrollbar.height() / 2 : thickness);
}
bool ScrollbarThemeWin::shouldSnapBackToDragOrigin(Scrollbar& scrollbar, const PlatformMouseEvent& evt)
{
// Find the rect within which we shouldn't snap, by expanding the track rect
// in both dimensions.
IntRect rect = trackRect(scrollbar);
const bool horz = scrollbar.orientation() == HorizontalScrollbar;
const int thickness = scrollbarThickness(scrollbar.controlSize());
rect.inflateX((horz ? kOffEndMultiplier : kOffSideMultiplier) * thickness);
rect.inflateY((horz ? kOffSideMultiplier : kOffEndMultiplier) * thickness);
// Convert the event to local coordinates.
IntPoint mousePosition = scrollbar.convertFromContainingWindow(evt.position());
mousePosition.move(scrollbar.x(), scrollbar.y());
// We should snap iff the event is outside our calculated rect.
return !rect.contains(mousePosition);
}
void WebViewPrivate::scrollBackingStore(WebCore::FrameView* view, int dx, int dy, const WebCore::IntRect& scrollViewRect, const WebCore::IntRect& clipRect)
{
IntRect updateRect = clipRect;
updateRect.intersect(scrollViewRect);
#if 0
dy = -dy;
dx = -dx;
int svWidth = scrollViewRect.width();
int svHeight = scrollViewRect.height();
int dirtyX = 0, dirtyY = 0, dirtyW = 0, dirtyH = 0;
if (dy == 0 && dx < 0 && -dx < svWidth) {
dirtyW = -dx;
dirtyH = svHeight;
}
else if (dy == 0 && dx > 0 && dx < svWidth) {
dirtyX = svWidth - dx;
dirtyW = dx;
dirtyH = svHeight;
}
else if (dx == 0 && dy < 0 && -dy < svHeight) {
dirtyW = svWidth;
dirtyH = -dy;
}
else if (dx == 0 && dy > 0 && dy < svHeight) {
dirtyY = svHeight - dy;
dirtyW = svWidth;
dirtyH = dy;
}
if (m_webView->viewWindow() && dirtyW) {
m_srcRect.x = dx > 0 ? dx + scrollViewRect.x() : scrollViewRect.x();
m_srcRect.y = dy > 0 ? dy + scrollViewRect.y() : scrollViewRect.y();
m_srcRect.w = dx > 0 ? scrollViewRect.width() - dx : scrollViewRect.width() + dx;
m_srcRect.h = dy > 0 ? scrollViewRect.height() - dy : scrollViewRect.height() + dy;
m_dstRect.x = dx > 0 ? scrollViewRect.x() : -dx + scrollViewRect.x();
m_dstRect.y = dy > 0 ? scrollViewRect.y() : -dy + scrollViewRect.y();
m_dstRect.w = dx > 0 ? scrollViewRect.width() - dx : scrollViewRect.width() + dx;
m_dstRect.h = dy > 0 ? scrollViewRect.height() -dy : scrollViewRect.height() + dy;
int x, y, w, h = 0;
if (dx > 0) {
m_srcRect.x += m_scrollUpdateRect.width();
m_srcRect.w -= m_scrollUpdateRect.width();
x = scrollViewRect.x() + dirtyX - m_scrollUpdateRect.width();
w = dirtyW + m_scrollUpdateRect.width();
} else if (dx < 0) {
m_dstRect.x += m_scrollUpdateRect.width();
m_srcRect.w -= m_scrollUpdateRect.width();
x = scrollViewRect.x() + dirtyX + m_scrollUpdateRect.width();
w = dirtyW + m_scrollUpdateRect.width();
} else {
x = scrollViewRect.x() + dirtyX;
w = dirtyW;
}
if (dy > 0) {
m_srcRect.y += m_scrollUpdateRect.height();
m_srcRect.h -= m_scrollUpdateRect.height();
y = scrollViewRect.y() + dirtyY - m_scrollUpdateRect.height();
h = dirtyH + m_scrollUpdateRect.height();
} else if (dy < 0) {
m_dstRect.y += m_scrollUpdateRect.height();
m_srcRect.h -= m_scrollUpdateRect.height();
y = scrollViewRect.y() + dirtyY + m_scrollUpdateRect.height();
h = dirtyH + m_scrollUpdateRect.height();
} else {
y = scrollViewRect.y() + dirtyY;
h = dirtyH;
}
Uint32 rmask, gmask, bmask, amask;
#if !PLATFORM(AMIGAOS4) && SDL_BYTEORDER == SDL_BIG_ENDIAN
rmask = 0xff000000;
gmask = 0x00ff0000;
bmask = 0x0000ff00;
amask = 0x000000ff;
#else
rmask = 0x00ff0000;
gmask = 0x0000ff00;
bmask = 0x000000ff;
amask = 0xff000000;
#endif
if (m_scrollSurface)
SDL_FreeSurface(m_scrollSurface);
m_scrollSurface = SDL_CreateRGBSurface(SDL_SWSURFACE, m_dstRect.w, m_dstRect.h , 32, rmask, gmask, bmask, amask);
SDL_Rect dRect = {0, 0, m_dstRect.w, m_dstRect.h};
SDL_BlitSurface(m_webView->viewWindow(), &m_srcRect, m_scrollSurface, &dRect);
m_scrollUpdateRect = IntRect(x, y, w, h);
m_scrollUpdateRect.intersect(scrollViewRect);
Scrollbar* hBar = view->horizontalScrollbar();
Scrollbar* vBar = view->verticalScrollbar();
if (dx && hBar)
m_hUpdateRect = IntRect(scrollViewRect.x() + hBar->x(), scrollViewRect.y() + hBar->y(), hBar->width(), hBar->height());
if (dy && vBar)
m_vUpdateRect = IntRect(scrollViewRect.x() + vBar->x(), scrollViewRect.y() + vBar->y(), vBar->width(), vBar->height());
m_webView->addToDirtyRegion(m_scrollUpdateRect);
sendExposeEvent(m_scrollUpdateRect);
}
#else
m_webView->addToDirtyRegion(updateRect);
sendExposeEvent(updateRect);
#endif
}