ScrollbarPart ScrollbarTheme::hitTest(const ScrollbarThemeClient& scrollbar, const IntPoint& positionInRootFrame) { ScrollbarPart result = NoPart; if (!scrollbar.enabled()) return result; IntPoint testPosition = scrollbar.convertFromRootFrame(positionInRootFrame); testPosition.move(scrollbar.x(), scrollbar.y()); if (!scrollbar.frameRect().contains(testPosition)) return NoPart; result = ScrollbarBGPart; IntRect track = trackRect(scrollbar); if (track.contains(testPosition)) { IntRect beforeThumbRect; IntRect thumbRect; IntRect afterThumbRect; splitTrack(scrollbar, track, beforeThumbRect, thumbRect, afterThumbRect); if (thumbRect.contains(testPosition)) result = ThumbPart; else if (beforeThumbRect.contains(testPosition)) result = BackTrackPart; else if (afterThumbRect.contains(testPosition)) result = ForwardTrackPart; else result = TrackBGPart; } else if (backButtonRect(scrollbar, BackButtonStartPart) .contains(testPosition)) { result = BackButtonStartPart; } else if (backButtonRect(scrollbar, BackButtonEndPart) .contains(testPosition)) { result = BackButtonEndPart; } else if (forwardButtonRect(scrollbar, ForwardButtonStartPart) .contains(testPosition)) { result = ForwardButtonStartPart; } else if (forwardButtonRect(scrollbar, ForwardButtonEndPart) .contains(testPosition)) { result = ForwardButtonEndPart; } return result; }
void ScrollbarTheme::invalidatePart(ScrollbarThemeClient* scrollbar, ScrollbarPart part) { if (part == NoPart) return; IntRect result; switch (part) { case BackButtonStartPart: result = backButtonRect(scrollbar, BackButtonStartPart, true); break; case BackButtonEndPart: result = backButtonRect(scrollbar, BackButtonEndPart, true); break; case ForwardButtonStartPart: result = forwardButtonRect(scrollbar, ForwardButtonStartPart, true); break; case ForwardButtonEndPart: result = forwardButtonRect(scrollbar, ForwardButtonEndPart, true); break; case TrackBGPart: result = trackRect(scrollbar, true); break; case ScrollbarBGPart: result = scrollbar->frameRect(); break; default: { IntRect beforeThumbRect, thumbRect, afterThumbRect; splitTrack(scrollbar, trackRect(scrollbar), beforeThumbRect, thumbRect, afterThumbRect); if (part == BackTrackPart) result = beforeThumbRect; else if (part == ForwardTrackPart) result = afterThumbRect; else result = thumbRect; } } result.moveBy(-scrollbar->location()); scrollbar->invalidateRect(result); }
ScrollbarPart ScrollbarThemeComposite::hitTest(ScrollbarThemeClient* scrollbar, const PlatformMouseEvent& evt) { ScrollbarPart result = NoPart; if (!scrollbar->enabled()) return result; IntPoint mousePosition = scrollbar->convertFromContainingWindow(evt.position()); mousePosition.move(scrollbar->x(), scrollbar->y()); if (!scrollbar->frameRect().contains(mousePosition)) return NoPart; result = ScrollbarBGPart; IntRect track = trackRect(scrollbar); if (track.contains(mousePosition)) { IntRect beforeThumbRect; IntRect thumbRect; IntRect afterThumbRect; splitTrack(scrollbar, track, beforeThumbRect, thumbRect, afterThumbRect); if (thumbRect.contains(mousePosition)) result = ThumbPart; else if (beforeThumbRect.contains(mousePosition)) result = BackTrackPart; else if (afterThumbRect.contains(mousePosition)) result = ForwardTrackPart; else result = TrackBGPart; } else if (backButtonRect(scrollbar, BackButtonStartPart).contains(mousePosition)) result = BackButtonStartPart; else if (backButtonRect(scrollbar, BackButtonEndPart).contains(mousePosition)) result = BackButtonEndPart; else if (forwardButtonRect(scrollbar, ForwardButtonStartPart).contains(mousePosition)) result = ForwardButtonStartPart; else if (forwardButtonRect(scrollbar, ForwardButtonEndPart).contains(mousePosition)) result = ForwardButtonEndPart; return result; }
bool ScrollbarThemeGtk::paint(ScrollbarThemeClient* scrollbar, GraphicsContext* graphicsContext, const IntRect& damageRect) { if (graphicsContext->paintingDisabled()) return false; // Create the ScrollbarControlPartMask based on the damageRect ScrollbarControlPartMask scrollMask = NoPart; IntRect backButtonStartPaintRect; IntRect backButtonEndPaintRect; IntRect forwardButtonStartPaintRect; IntRect forwardButtonEndPaintRect; if (hasButtons(scrollbar)) { backButtonStartPaintRect = backButtonRect(scrollbar, BackButtonStartPart, true); if (damageRect.intersects(backButtonStartPaintRect)) scrollMask |= BackButtonStartPart; backButtonEndPaintRect = backButtonRect(scrollbar, BackButtonEndPart, true); if (damageRect.intersects(backButtonEndPaintRect)) scrollMask |= BackButtonEndPart; forwardButtonStartPaintRect = forwardButtonRect(scrollbar, ForwardButtonStartPart, true); if (damageRect.intersects(forwardButtonStartPaintRect)) scrollMask |= ForwardButtonStartPart; forwardButtonEndPaintRect = forwardButtonRect(scrollbar, ForwardButtonEndPart, true); if (damageRect.intersects(forwardButtonEndPaintRect)) scrollMask |= ForwardButtonEndPart; } IntRect trackPaintRect = trackRect(scrollbar, true); if (damageRect.intersects(trackPaintRect)) scrollMask |= TrackBGPart; if (m_troughUnderSteppers && (scrollMask & BackButtonStartPart || scrollMask & BackButtonEndPart || scrollMask & ForwardButtonStartPart || scrollMask & ForwardButtonEndPart)) scrollMask |= TrackBGPart; bool thumbPresent = hasThumb(scrollbar); IntRect currentThumbRect; if (thumbPresent) { IntRect track = trackRect(scrollbar, false); currentThumbRect = thumbRect(scrollbar, track); if (damageRect.intersects(currentThumbRect)) scrollMask |= ThumbPart; } ScrollbarControlPartMask allButtons = BackButtonStartPart | BackButtonEndPart | ForwardButtonStartPart | ForwardButtonEndPart; if (scrollMask & TrackBGPart || scrollMask & ThumbPart || scrollMask & allButtons) paintScrollbarBackground(graphicsContext, scrollbar); paintTrackBackground(graphicsContext, scrollbar, trackPaintRect); // Paint the back and forward buttons. if (scrollMask & BackButtonStartPart) paintButton(graphicsContext, scrollbar, backButtonStartPaintRect, BackButtonStartPart); if (scrollMask & BackButtonEndPart) paintButton(graphicsContext, scrollbar, backButtonEndPaintRect, BackButtonEndPart); if (scrollMask & ForwardButtonStartPart) paintButton(graphicsContext, scrollbar, forwardButtonStartPaintRect, ForwardButtonStartPart); if (scrollMask & ForwardButtonEndPart) paintButton(graphicsContext, scrollbar, forwardButtonEndPaintRect, ForwardButtonEndPart); // Paint the thumb. if (scrollMask & ThumbPart) paintThumb(graphicsContext, scrollbar, currentThumbRect); return true; }
bool ScrollbarThemeComposite::paint(ScrollbarThemeClient* scrollbar, GraphicsContext* graphicsContext, const IntRect& damageRect) { // Create the ScrollbarControlPartMask based on the damageRect ScrollbarControlPartMask scrollMask = NoPart; IntRect backButtonStartPaintRect; IntRect backButtonEndPaintRect; IntRect forwardButtonStartPaintRect; IntRect forwardButtonEndPaintRect; if (hasButtons(scrollbar)) { backButtonStartPaintRect = backButtonRect(scrollbar, BackButtonStartPart, true); if (damageRect.intersects(backButtonStartPaintRect)) scrollMask |= BackButtonStartPart; backButtonEndPaintRect = backButtonRect(scrollbar, BackButtonEndPart, true); if (damageRect.intersects(backButtonEndPaintRect)) scrollMask |= BackButtonEndPart; forwardButtonStartPaintRect = forwardButtonRect(scrollbar, ForwardButtonStartPart, true); if (damageRect.intersects(forwardButtonStartPaintRect)) scrollMask |= ForwardButtonStartPart; forwardButtonEndPaintRect = forwardButtonRect(scrollbar, ForwardButtonEndPart, true); if (damageRect.intersects(forwardButtonEndPaintRect)) scrollMask |= ForwardButtonEndPart; } IntRect startTrackRect; IntRect thumbRect; IntRect endTrackRect; IntRect trackPaintRect = trackRect(scrollbar, true); if (damageRect.intersects(trackPaintRect)) scrollMask |= TrackBGPart; bool thumbPresent = hasThumb(scrollbar); if (thumbPresent) { IntRect track = trackRect(scrollbar); splitTrack(scrollbar, track, startTrackRect, thumbRect, endTrackRect); if (damageRect.intersects(thumbRect)) scrollMask |= ThumbPart; if (damageRect.intersects(startTrackRect)) scrollMask |= BackTrackPart; if (damageRect.intersects(endTrackRect)) scrollMask |= ForwardTrackPart; } // Paint the scrollbar background (only used by custom CSS scrollbars). paintScrollbarBackground(graphicsContext, scrollbar); // Paint the back and forward buttons. if (scrollMask & BackButtonStartPart) paintButton(graphicsContext, scrollbar, backButtonStartPaintRect, BackButtonStartPart); if (scrollMask & BackButtonEndPart) paintButton(graphicsContext, scrollbar, backButtonEndPaintRect, BackButtonEndPart); if (scrollMask & ForwardButtonStartPart) paintButton(graphicsContext, scrollbar, forwardButtonStartPaintRect, ForwardButtonStartPart); if (scrollMask & ForwardButtonEndPart) paintButton(graphicsContext, scrollbar, forwardButtonEndPaintRect, ForwardButtonEndPart); if (scrollMask & TrackBGPart) paintTrackBackground(graphicsContext, scrollbar, trackPaintRect); if ((scrollMask & ForwardTrackPart) || (scrollMask & BackTrackPart)) { // Paint the track pieces above and below the thumb. if (scrollMask & BackTrackPart) paintTrackPiece(graphicsContext, scrollbar, startTrackRect, BackTrackPart); if (scrollMask & ForwardTrackPart) paintTrackPiece(graphicsContext, scrollbar, endTrackRect, ForwardTrackPart); paintTickmarks(graphicsContext, scrollbar, trackPaintRect); } // Paint the thumb. if (scrollMask & ThumbPart) paintThumb(graphicsContext, scrollbar, thumbRect); return true; }
bool ScrollbarThemeComposite::paint(Scrollbar* scrollbar, GraphicsContext* graphicsContext, const IntRect& damageRect) { // Create the ScrollbarControlPartMask based on the damageRect ScrollbarControlPartMask scrollMask = NoPart; IntRect backButtonStartPaintRect; IntRect backButtonEndPaintRect; IntRect forwardButtonStartPaintRect; IntRect forwardButtonEndPaintRect; if (hasButtons(scrollbar)) { backButtonStartPaintRect = backButtonRect(scrollbar, BackButtonStartPart, true); if (damageRect.intersects(backButtonStartPaintRect)) scrollMask |= BackButtonStartPart; backButtonEndPaintRect = backButtonRect(scrollbar, BackButtonEndPart, true); if (damageRect.intersects(backButtonEndPaintRect)) scrollMask |= BackButtonEndPart; forwardButtonStartPaintRect = forwardButtonRect(scrollbar, ForwardButtonStartPart, true); if (damageRect.intersects(forwardButtonStartPaintRect)) scrollMask |= ForwardButtonStartPart; forwardButtonEndPaintRect = forwardButtonRect(scrollbar, ForwardButtonEndPart, true); if (damageRect.intersects(forwardButtonEndPaintRect)) scrollMask |= ForwardButtonEndPart; } IntRect startTrackRect; IntRect thumbRect; IntRect endTrackRect; IntRect trackPaintRect = trackRect(scrollbar, true); if (damageRect.intersects(trackPaintRect)) scrollMask |= TrackBGPart; bool thumbPresent = hasThumb(scrollbar); if (thumbPresent) { IntRect track = trackRect(scrollbar); splitTrack(scrollbar, track, startTrackRect, thumbRect, endTrackRect); if (damageRect.intersects(thumbRect)) scrollMask |= ThumbPart; if (damageRect.intersects(startTrackRect)) scrollMask |= BackTrackPart; if (damageRect.intersects(endTrackRect)) scrollMask |= ForwardTrackPart; } #if PLATFORM(WIN) // FIXME: This API makes the assumption that the custom scrollbar's metrics will match // the theme's metrics. This is not a valid assumption. The ability for a client to paint // custom scrollbars should be removed once scrollbars can be styled via CSS. if (Page* page = pageForScrollView(scrollbar->parent())) { if (page->settings()->shouldPaintCustomScrollbars()) { float proportion = static_cast<float>(scrollbar->visibleSize()) / scrollbar->totalSize(); float value = scrollbar->currentPos() / static_cast<float>(scrollbar->maximum()); ScrollbarControlState s = 0; if (scrollbar->client()->isActive()) s |= ActiveScrollbarState; if (scrollbar->enabled()) s |= EnabledScrollbarState; if (scrollbar->pressedPart() != NoPart) s |= PressedScrollbarState; if (page->chrome()->client()->paintCustomScrollbar(graphicsContext, scrollbar->frameRect(), scrollbar->controlSize(), s, scrollbar->pressedPart(), scrollbar->orientation() == VerticalScrollbar, value, proportion, scrollMask)) return true; } } #endif // Paint the scrollbar background (only used by custom CSS scrollbars). paintScrollbarBackground(graphicsContext, scrollbar); // Paint the back and forward buttons. if (scrollMask & BackButtonStartPart) paintButton(graphicsContext, scrollbar, backButtonStartPaintRect, BackButtonStartPart); if (scrollMask & BackButtonEndPart) paintButton(graphicsContext, scrollbar, backButtonEndPaintRect, BackButtonEndPart); if (scrollMask & ForwardButtonStartPart) paintButton(graphicsContext, scrollbar, forwardButtonStartPaintRect, ForwardButtonStartPart); if (scrollMask & ForwardButtonEndPart) paintButton(graphicsContext, scrollbar, forwardButtonEndPaintRect, ForwardButtonEndPart); if (scrollMask & TrackBGPart) paintTrackBackground(graphicsContext, scrollbar, trackPaintRect); if ((scrollMask & ForwardTrackPart) || (scrollMask & BackTrackPart)) { // Paint the track pieces above and below the thumb. if (scrollMask & BackTrackPart) paintTrackPiece(graphicsContext, scrollbar, startTrackRect, BackTrackPart); if (scrollMask & ForwardTrackPart) paintTrackPiece(graphicsContext, scrollbar, endTrackRect, ForwardTrackPart); paintTickmarks(graphicsContext, scrollbar, trackPaintRect); } // Paint the thumb. if (scrollMask & ThumbPart) paintThumb(graphicsContext, scrollbar, thumbRect); return true; }