bool KeyboardEvent::getModifierState(const String& keyIdentifier) const { if (keyIdentifier == "Control") return ctrlKey(); if (keyIdentifier == "Shift") return shiftKey(); if (keyIdentifier == "Alt") return altKey(); if (keyIdentifier == "Meta") return metaKey(); return false; }
bool KeyboardEvent::getModifierState(const String& keyIdentifier) const { // FIXME: The following keyIdentifiers are not supported yet (crbug.com/265458): // "AltGraph", "CapsLock", "Fn", "NumLock", "ScrollLock", "SymbolLock", "OS". if (keyIdentifier == "Control") return ctrlKey(); if (keyIdentifier == "Shift") return shiftKey(); if (keyIdentifier == "Alt") return altKey(); if (keyIdentifier == "Meta") return metaKey(); return false; }
PassRefPtr<Event> MouseEvent::cloneFor(HTMLIFrameElement* iframe) const { ASSERT(iframe); RefPtr<MouseEvent> clonedMouseEvent = MouseEvent::create(); Frame* frame = iframe->document().frame(); FrameView* frameView = frame ? frame->view() : 0; clonedMouseEvent->initMouseEvent(type(), bubbles(), cancelable(), iframe->document().defaultView(), detail(), screenX(), screenY(), frameView ? adjustedClientX(clientX(), iframe, frameView) : 0, frameView ? adjustedClientY(clientY(), iframe, frameView) : 0, ctrlKey(), altKey(), shiftKey(), metaKey(), button(), // Nullifies relatedTarget. 0); return clonedMouseEvent.release(); }
bool KeyboardEvent::getModifierState(const String& keyIdentifier) const { if (keyIdentifier == "Control") return ctrlKey(); if (keyIdentifier == "Shift") return shiftKey(); if (keyIdentifier == "Alt") return altKey(); if (keyIdentifier == "Meta") return metaKey(); if (keyIdentifier == "AltGraph") return altGraphKey(); if (keyIdentifier == "CapsLock") return capsLockKey(); // FIXME: The specification also has Fn, FnLock, Hyper, NumLock, Super, ScrollLock, Symbol, SymbolLock. return false; }
Ref<Event> MouseEvent::cloneFor(HTMLIFrameElement* iframe) const { ASSERT(iframe); Frame* frame = iframe->document().frame(); FrameView* frameView = frame ? frame->view() : nullptr; Ref<MouseEvent> clonedMouseEvent = MouseEvent::create(type(), bubbles(), cancelable(), iframe->document().defaultView(), detail(), screenX(), screenY(), frameView ? adjustedClientX(clientX(), iframe, frameView) : 0, frameView ? adjustedClientY(clientY(), iframe, frameView) : 0, ctrlKey(), altKey(), shiftKey(), metaKey(), button(), syntheticClickType(), // Nullifies relatedTarget. 0); clonedMouseEvent->setForce(force()); return WTFMove(clonedMouseEvent); }
PlatformWheelEvent::PlatformWheelEvent(HWND hWnd, WPARAM wParam, LPARAM lParam, bool isMouseHWheel) : PlatformEvent(PlatformEvent::Wheel, wParam & MK_SHIFT, wParam & MK_CONTROL, GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT, GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT, ::GetTickCount() * 0.001) , m_position(positionForEvent(hWnd, lParam)) , m_globalPosition(globalPositionForEvent(hWnd, lParam)) , m_directionInvertedFromDevice(false) { float scaleFactor = deviceScaleFactorForWindow(hWnd); // How many pixels should we scroll per line? Gecko uses the height of the // current line, which means scroll distance changes as you go through the // page or go to different pages. IE 7 is ~50 px/line, although the value // seems to vary slightly by page and zoom level. Since IE 7 has a // smoothing algorithm on scrolling, it can get away with slightly larger // scroll values without feeling jerky. Here we use 100 px per three lines // (the default scroll amount on Windows is three lines per wheel tick). static const float cScrollbarPixelsPerLine = scaleFactor * 100.0f / 3.0f; float delta = GET_WHEEL_DELTA_WPARAM(wParam) / (scaleFactor * static_cast<float>(WHEEL_DELTA)); if (isMouseHWheel) { // Windows is <-- -/+ -->, WebKit wants <-- +/- -->, so we negate // |delta| after saving the original value on the wheel tick member. m_wheelTicksX = delta; m_wheelTicksY = 0; delta = -delta; } else { // Even though we use shift + vertical wheel to scroll horizontally in // WebKit, we still note it as a vertical scroll on the wheel tick // member, so that the DOM event we later construct will match the real // hardware event better. m_wheelTicksX = 0; m_wheelTicksY = delta; } if (isMouseHWheel || shiftKey()) { m_deltaX = delta * static_cast<float>(horizontalScrollChars()) * cScrollbarPixelsPerLine; m_deltaY = 0; m_granularity = ScrollByPixelWheelEvent; } else { m_deltaX = 0; m_deltaY = delta; int verticalMultiplier = verticalScrollLines(); m_granularity = (verticalMultiplier == WHEEL_PAGESCROLL) ? ScrollByPageWheelEvent : ScrollByPixelWheelEvent; if (m_granularity == ScrollByPixelWheelEvent) m_deltaY *= static_cast<float>(verticalMultiplier) * cScrollbarPixelsPerLine; } }