зеркало из https://github.com/mozilla/gecko-dev.git
977 строки
31 KiB
Plaintext
977 строки
31 KiB
Plaintext
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <cmath>
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#include "gfx2DGlue.h"
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#include "gfxPlatform.h"
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#include "gfxUtils.h"
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#include "ImageRegion.h"
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#include "nsCocoaUtils.h"
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#include "nsChildView.h"
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#include "nsMenuBarX.h"
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#include "nsCocoaWindow.h"
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#include "nsCOMPtr.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIAppShellService.h"
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#include "nsIXULWindow.h"
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#include "nsIBaseWindow.h"
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#include "nsIServiceManager.h"
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#include "nsMenuUtilsX.h"
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#include "nsToolkit.h"
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#include "nsCRT.h"
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#include "SVGImageContext.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/MiscEvents.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/TextEvents.h"
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using namespace mozilla;
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using namespace mozilla::widget;
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using mozilla::gfx::BackendType;
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using mozilla::gfx::DataSourceSurface;
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using mozilla::gfx::DrawTarget;
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using mozilla::gfx::Factory;
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using mozilla::gfx::Filter;
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using mozilla::gfx::IntPoint;
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using mozilla::gfx::IntRect;
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using mozilla::gfx::IntSize;
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using mozilla::gfx::SurfaceFormat;
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using mozilla::gfx::SourceSurface;
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using mozilla::image::ImageRegion;
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using std::ceil;
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static float
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MenuBarScreenHeight()
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
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NSArray* allScreens = [NSScreen screens];
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if ([allScreens count]) {
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return [[allScreens objectAtIndex:0] frame].size.height;
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}
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return 0.0;
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NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(0.0);
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}
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float
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nsCocoaUtils::FlippedScreenY(float y)
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{
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return MenuBarScreenHeight() - y;
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}
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NSRect nsCocoaUtils::GeckoRectToCocoaRect(const nsIntRect &geckoRect)
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{
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// We only need to change the Y coordinate by starting with the primary screen
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// height and subtracting the gecko Y coordinate of the bottom of the rect.
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return NSMakeRect(geckoRect.x,
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MenuBarScreenHeight() - geckoRect.YMost(),
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geckoRect.width,
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geckoRect.height);
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}
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NSRect nsCocoaUtils::GeckoRectToCocoaRectDevPix(const nsIntRect &aGeckoRect,
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CGFloat aBackingScale)
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{
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return NSMakeRect(aGeckoRect.x / aBackingScale,
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MenuBarScreenHeight() - aGeckoRect.YMost() / aBackingScale,
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aGeckoRect.width / aBackingScale,
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aGeckoRect.height / aBackingScale);
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}
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nsIntRect nsCocoaUtils::CocoaRectToGeckoRect(const NSRect &cocoaRect)
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{
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// We only need to change the Y coordinate by starting with the primary screen
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// height and subtracting both the cocoa y origin and the height of the
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// cocoa rect.
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nsIntRect rect;
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rect.x = NSToIntRound(cocoaRect.origin.x);
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rect.y = NSToIntRound(FlippedScreenY(cocoaRect.origin.y + cocoaRect.size.height));
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rect.width = NSToIntRound(cocoaRect.origin.x + cocoaRect.size.width) - rect.x;
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rect.height = NSToIntRound(FlippedScreenY(cocoaRect.origin.y)) - rect.y;
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return rect;
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}
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nsIntRect nsCocoaUtils::CocoaRectToGeckoRectDevPix(const NSRect &aCocoaRect,
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CGFloat aBackingScale)
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{
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nsIntRect rect;
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rect.x = NSToIntRound(aCocoaRect.origin.x * aBackingScale);
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rect.y = NSToIntRound(FlippedScreenY(aCocoaRect.origin.y + aCocoaRect.size.height) * aBackingScale);
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rect.width = NSToIntRound((aCocoaRect.origin.x + aCocoaRect.size.width) * aBackingScale) - rect.x;
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rect.height = NSToIntRound(FlippedScreenY(aCocoaRect.origin.y) * aBackingScale) - rect.y;
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return rect;
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}
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NSPoint nsCocoaUtils::ScreenLocationForEvent(NSEvent* anEvent)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
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// Don't trust mouse locations of mouse move events, see bug 443178.
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if (!anEvent || [anEvent type] == NSMouseMoved)
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return [NSEvent mouseLocation];
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// Pin momentum scroll events to the location of the last user-controlled
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// scroll event.
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if (IsMomentumScrollEvent(anEvent))
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return ChildViewMouseTracker::sLastScrollEventScreenLocation;
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return [[anEvent window] convertBaseToScreen:[anEvent locationInWindow]];
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NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakePoint(0.0, 0.0));
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}
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BOOL nsCocoaUtils::IsEventOverWindow(NSEvent* anEvent, NSWindow* aWindow)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
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return NSPointInRect(ScreenLocationForEvent(anEvent), [aWindow frame]);
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NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NO);
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}
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NSPoint nsCocoaUtils::EventLocationForWindow(NSEvent* anEvent, NSWindow* aWindow)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
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return [aWindow convertScreenToBase:ScreenLocationForEvent(anEvent)];
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NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakePoint(0.0, 0.0));
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}
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@interface NSEvent (ScrollPhase)
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// 10.5 and 10.6
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- (long long)_scrollPhase;
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// 10.7 and above
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- (NSEventPhase)phase;
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- (NSEventPhase)momentumPhase;
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@end
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NSEventPhase nsCocoaUtils::EventPhase(NSEvent* aEvent)
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{
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if ([aEvent respondsToSelector:@selector(phase)]) {
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return [aEvent phase];
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}
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return NSEventPhaseNone;
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}
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NSEventPhase nsCocoaUtils::EventMomentumPhase(NSEvent* aEvent)
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{
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if ([aEvent respondsToSelector:@selector(momentumPhase)]) {
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return [aEvent momentumPhase];
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}
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if ([aEvent respondsToSelector:@selector(_scrollPhase)]) {
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switch ([aEvent _scrollPhase]) {
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case 1: return NSEventPhaseBegan;
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case 2: return NSEventPhaseChanged;
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case 3: return NSEventPhaseEnded;
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default: return NSEventPhaseNone;
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}
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}
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return NSEventPhaseNone;
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}
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BOOL nsCocoaUtils::IsMomentumScrollEvent(NSEvent* aEvent)
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{
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return [aEvent type] == NSScrollWheel &&
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EventMomentumPhase(aEvent) != NSEventPhaseNone;
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}
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@interface NSEvent (HasPreciseScrollingDeltas)
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// 10.7 and above
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- (BOOL)hasPreciseScrollingDeltas;
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// For 10.6 and below, see the comment in nsChildView.h about _eventRef
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- (EventRef)_eventRef;
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@end
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BOOL nsCocoaUtils::HasPreciseScrollingDeltas(NSEvent* aEvent)
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{
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if ([aEvent respondsToSelector:@selector(hasPreciseScrollingDeltas)]) {
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return [aEvent hasPreciseScrollingDeltas];
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}
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// For events that don't contain pixel scrolling information, the event
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// kind of their underlaying carbon event is kEventMouseWheelMoved instead
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// of kEventMouseScroll.
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EventRef carbonEvent = [aEvent _eventRef];
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return carbonEvent && ::GetEventKind(carbonEvent) == kEventMouseScroll;
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}
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@interface NSEvent (ScrollingDeltas)
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// 10.6 and below
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- (CGFloat)deviceDeltaX;
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- (CGFloat)deviceDeltaY;
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// 10.7 and above
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- (CGFloat)scrollingDeltaX;
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- (CGFloat)scrollingDeltaY;
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@end
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void nsCocoaUtils::GetScrollingDeltas(NSEvent* aEvent, CGFloat* aOutDeltaX, CGFloat* aOutDeltaY)
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{
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if ([aEvent respondsToSelector:@selector(scrollingDeltaX)]) {
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*aOutDeltaX = [aEvent scrollingDeltaX];
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*aOutDeltaY = [aEvent scrollingDeltaY];
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return;
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}
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if ([aEvent respondsToSelector:@selector(deviceDeltaX)] &&
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HasPreciseScrollingDeltas(aEvent)) {
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// Calling deviceDeltaX/Y on those events that do not contain pixel
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// scrolling information triggers a Cocoa assertion and an
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// Objective-C NSInternalInconsistencyException.
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*aOutDeltaX = [aEvent deviceDeltaX];
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*aOutDeltaY = [aEvent deviceDeltaY];
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return;
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}
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// This is only hit pre-10.7 when we are called on a scroll event that does
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// not contain pixel scrolling information.
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CGFloat lineDeltaPixels = 12;
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*aOutDeltaX = [aEvent deltaX] * lineDeltaPixels;
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*aOutDeltaY = [aEvent deltaY] * lineDeltaPixels;
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}
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BOOL nsCocoaUtils::EventHasPhaseInformation(NSEvent* aEvent)
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{
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if (![aEvent respondsToSelector:@selector(phase)]) {
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return NO;
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}
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return EventPhase(aEvent) != NSEventPhaseNone ||
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EventMomentumPhase(aEvent) != NSEventPhaseNone;
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}
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void nsCocoaUtils::HideOSChromeOnScreen(bool aShouldHide)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
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// Keep track of how many hiding requests have been made, so that they can
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// be nested.
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static int sHiddenCount = 0;
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sHiddenCount += aShouldHide ? 1 : -1;
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NS_ASSERTION(sHiddenCount >= 0, "Unbalanced HideMenuAndDockForWindow calls");
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NSApplicationPresentationOptions options =
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sHiddenCount <= 0 ? NSApplicationPresentationDefault :
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NSApplicationPresentationHideDock | NSApplicationPresentationHideMenuBar;
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[NSApp setPresentationOptions:options];
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NS_OBJC_END_TRY_ABORT_BLOCK;
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}
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#define NS_APPSHELLSERVICE_CONTRACTID "@mozilla.org/appshell/appShellService;1"
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nsIWidget* nsCocoaUtils::GetHiddenWindowWidget()
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{
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nsCOMPtr<nsIAppShellService> appShell(do_GetService(NS_APPSHELLSERVICE_CONTRACTID));
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if (!appShell) {
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NS_WARNING("Couldn't get AppShellService in order to get hidden window ref");
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return nullptr;
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}
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nsCOMPtr<nsIXULWindow> hiddenWindow;
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appShell->GetHiddenWindow(getter_AddRefs(hiddenWindow));
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if (!hiddenWindow) {
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// Don't warn, this happens during shutdown, bug 358607.
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return nullptr;
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}
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nsCOMPtr<nsIBaseWindow> baseHiddenWindow;
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baseHiddenWindow = do_GetInterface(hiddenWindow);
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if (!baseHiddenWindow) {
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NS_WARNING("Couldn't get nsIBaseWindow from hidden window (nsIXULWindow)");
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return nullptr;
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}
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nsCOMPtr<nsIWidget> hiddenWindowWidget;
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if (NS_FAILED(baseHiddenWindow->GetMainWidget(getter_AddRefs(hiddenWindowWidget)))) {
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NS_WARNING("Couldn't get nsIWidget from hidden window (nsIBaseWindow)");
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return nullptr;
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}
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return hiddenWindowWidget;
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}
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void nsCocoaUtils::PrepareForNativeAppModalDialog()
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
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// Don't do anything if this is embedding. We'll assume that if there is no hidden
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// window we shouldn't do anything, and that should cover the embedding case.
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nsMenuBarX* hiddenWindowMenuBar = nsMenuUtilsX::GetHiddenWindowMenuBar();
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if (!hiddenWindowMenuBar)
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return;
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// First put up the hidden window menu bar so that app menu event handling is correct.
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hiddenWindowMenuBar->Paint();
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NSMenu* mainMenu = [NSApp mainMenu];
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NS_ASSERTION([mainMenu numberOfItems] > 0, "Main menu does not have any items, something is terribly wrong!");
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// Create new menu bar for use with modal dialog
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NSMenu* newMenuBar = [[NSMenu alloc] initWithTitle:@""];
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// Swap in our app menu. Note that the event target is whatever window is up when
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// the app modal dialog goes up.
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NSMenuItem* firstMenuItem = [[mainMenu itemAtIndex:0] retain];
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[mainMenu removeItemAtIndex:0];
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[newMenuBar insertItem:firstMenuItem atIndex:0];
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[firstMenuItem release];
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// Add standard edit menu
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[newMenuBar addItem:nsMenuUtilsX::GetStandardEditMenuItem()];
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// Show the new menu bar
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[NSApp setMainMenu:newMenuBar];
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[newMenuBar release];
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NS_OBJC_END_TRY_ABORT_BLOCK;
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}
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void nsCocoaUtils::CleanUpAfterNativeAppModalDialog()
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
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// Don't do anything if this is embedding. We'll assume that if there is no hidden
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// window we shouldn't do anything, and that should cover the embedding case.
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nsMenuBarX* hiddenWindowMenuBar = nsMenuUtilsX::GetHiddenWindowMenuBar();
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if (!hiddenWindowMenuBar)
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return;
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NSWindow* mainWindow = [NSApp mainWindow];
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if (!mainWindow)
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hiddenWindowMenuBar->Paint();
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else
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[WindowDelegate paintMenubarForWindow:mainWindow];
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NS_OBJC_END_TRY_ABORT_BLOCK;
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}
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void data_ss_release_callback(void *aDataSourceSurface,
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const void *data,
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size_t size)
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{
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if (aDataSourceSurface) {
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static_cast<DataSourceSurface*>(aDataSourceSurface)->Unmap();
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static_cast<DataSourceSurface*>(aDataSourceSurface)->Release();
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}
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}
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nsresult nsCocoaUtils::CreateCGImageFromSurface(SourceSurface* aSurface,
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CGImageRef* aResult)
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{
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RefPtr<DataSourceSurface> dataSurface;
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if (aSurface->GetFormat() == SurfaceFormat::B8G8R8A8) {
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dataSurface = aSurface->GetDataSurface();
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} else {
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// CGImageCreate only supports 16- and 32-bit bit-depth
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// Convert format to SurfaceFormat::B8G8R8A8
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dataSurface = gfxUtils::
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CopySurfaceToDataSourceSurfaceWithFormat(aSurface,
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SurfaceFormat::B8G8R8A8);
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}
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NS_ENSURE_TRUE(dataSurface, NS_ERROR_FAILURE);
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int32_t width = dataSurface->GetSize().width;
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int32_t height = dataSurface->GetSize().height;
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if (height < 1 || width < 1) {
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return NS_ERROR_FAILURE;
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}
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DataSourceSurface::MappedSurface map;
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if (!dataSurface->Map(DataSourceSurface::MapType::READ, &map)) {
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return NS_ERROR_FAILURE;
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}
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// The Unmap() call happens in data_ss_release_callback
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// Create a CGImageRef with the bits from the image, taking into account
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// the alpha ordering and endianness of the machine so we don't have to
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// touch the bits ourselves.
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CGDataProviderRef dataProvider = ::CGDataProviderCreateWithData(dataSurface.forget().take(),
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map.mData,
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map.mStride * height,
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data_ss_release_callback);
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CGColorSpaceRef colorSpace = ::CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
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*aResult = ::CGImageCreate(width,
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height,
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8,
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32,
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map.mStride,
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colorSpace,
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kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst,
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dataProvider,
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NULL,
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0,
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kCGRenderingIntentDefault);
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::CGColorSpaceRelease(colorSpace);
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::CGDataProviderRelease(dataProvider);
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return *aResult ? NS_OK : NS_ERROR_FAILURE;
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}
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nsresult nsCocoaUtils::CreateNSImageFromCGImage(CGImageRef aInputImage, NSImage **aResult)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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// Be very careful when creating the NSImage that the backing NSImageRep is
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// exactly 1:1 with the input image. On a retina display, both [NSImage
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// lockFocus] and [NSImage initWithCGImage:size:] will create an image with a
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// 2x backing NSImageRep. This prevents NSCursor from recognizing a retina
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// cursor, which only occurs if pixelsWide and pixelsHigh are exactly 2x the
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// size of the NSImage.
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//
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// For example, if a 32x32 SVG cursor is rendered on a retina display, then
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// aInputImage will be 64x64. The resulting NSImage will be scaled back down
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// to 32x32 so it stays the correct size on the screen by changing its size
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// (resizing a NSImage only scales the image and doesn't resample the data).
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// If aInputImage is converted using [NSImage initWithCGImage:size:] then the
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// bitmap will be 128x128 and NSCursor won't recognize a retina cursor, since
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// it will expect a 64x64 bitmap.
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int32_t width = ::CGImageGetWidth(aInputImage);
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int32_t height = ::CGImageGetHeight(aInputImage);
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NSRect imageRect = ::NSMakeRect(0.0, 0.0, width, height);
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NSBitmapImageRep *offscreenRep = [[NSBitmapImageRep alloc]
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initWithBitmapDataPlanes:NULL
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pixelsWide:width
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pixelsHigh:height
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bitsPerSample:8
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samplesPerPixel:4
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hasAlpha:YES
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isPlanar:NO
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colorSpaceName:NSDeviceRGBColorSpace
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bitmapFormat:NSAlphaFirstBitmapFormat
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bytesPerRow:0
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bitsPerPixel:0];
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NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithBitmapImageRep:offscreenRep];
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[NSGraphicsContext saveGraphicsState];
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[NSGraphicsContext setCurrentContext:context];
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// Get the Quartz context and draw.
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CGContextRef imageContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
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::CGContextDrawImage(imageContext, *(CGRect*)&imageRect, aInputImage);
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[NSGraphicsContext restoreGraphicsState];
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*aResult = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
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[*aResult addRepresentation:offscreenRep];
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[offscreenRep release];
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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nsresult nsCocoaUtils::CreateNSImageFromImageContainer(imgIContainer *aImage, uint32_t aWhichFrame, NSImage **aResult, CGFloat scaleFactor)
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{
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RefPtr<SourceSurface> surface;
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int32_t width = 0, height = 0;
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aImage->GetWidth(&width);
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aImage->GetHeight(&height);
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// Render a vector image at the correct resolution on a retina display
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if (aImage->GetType() == imgIContainer::TYPE_VECTOR && scaleFactor != 1.0f) {
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IntSize scaledSize(ceil(width * scaleFactor), ceil(height * scaleFactor));
|
|
|
|
RefPtr<DrawTarget> drawTarget = gfxPlatform::GetPlatform()->
|
|
CreateOffscreenContentDrawTarget(scaledSize, SurfaceFormat::B8G8R8A8);
|
|
if (!drawTarget) {
|
|
NS_ERROR("Failed to create DrawTarget");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
RefPtr<gfxContext> context = new gfxContext(drawTarget);
|
|
if (!context) {
|
|
NS_ERROR("Failed to create gfxContext");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
aImage->Draw(context, scaledSize, ImageRegion::Create(scaledSize),
|
|
aWhichFrame, Filter::POINT, Nothing(),
|
|
imgIContainer::FLAG_SYNC_DECODE);
|
|
|
|
surface = drawTarget->Snapshot();
|
|
} else {
|
|
surface = aImage->GetFrame(aWhichFrame, imgIContainer::FLAG_SYNC_DECODE);
|
|
}
|
|
|
|
NS_ENSURE_TRUE(surface, NS_ERROR_FAILURE);
|
|
|
|
CGImageRef imageRef = NULL;
|
|
nsresult rv = nsCocoaUtils::CreateCGImageFromSurface(surface, &imageRef);
|
|
if (NS_FAILED(rv) || !imageRef) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
rv = nsCocoaUtils::CreateNSImageFromCGImage(imageRef, aResult);
|
|
if (NS_FAILED(rv) || !aResult) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
::CGImageRelease(imageRef);
|
|
|
|
// Ensure the image will be rendered the correct size on a retina display
|
|
NSSize size = NSMakeSize(width, height);
|
|
[*aResult setSize:size];
|
|
[[[*aResult representations] objectAtIndex:0] setSize:size];
|
|
return NS_OK;
|
|
}
|
|
|
|
// static
|
|
void
|
|
nsCocoaUtils::GetStringForNSString(const NSString *aSrc, nsAString& aDist)
|
|
{
|
|
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
|
|
|
|
if (!aSrc) {
|
|
aDist.Truncate();
|
|
return;
|
|
}
|
|
|
|
aDist.SetLength([aSrc length]);
|
|
[aSrc getCharacters: reinterpret_cast<unichar*>(aDist.BeginWriting())];
|
|
|
|
NS_OBJC_END_TRY_ABORT_BLOCK;
|
|
}
|
|
|
|
// static
|
|
NSString*
|
|
nsCocoaUtils::ToNSString(const nsAString& aString)
|
|
{
|
|
if (aString.IsEmpty()) {
|
|
return [NSString string];
|
|
}
|
|
return [NSString stringWithCharacters:reinterpret_cast<const unichar*>(aString.BeginReading())
|
|
length:aString.Length()];
|
|
}
|
|
|
|
// static
|
|
void
|
|
nsCocoaUtils::GeckoRectToNSRect(const nsIntRect& aGeckoRect,
|
|
NSRect& aOutCocoaRect)
|
|
{
|
|
aOutCocoaRect.origin.x = aGeckoRect.x;
|
|
aOutCocoaRect.origin.y = aGeckoRect.y;
|
|
aOutCocoaRect.size.width = aGeckoRect.width;
|
|
aOutCocoaRect.size.height = aGeckoRect.height;
|
|
}
|
|
|
|
// static
|
|
void
|
|
nsCocoaUtils::NSRectToGeckoRect(const NSRect& aCocoaRect,
|
|
nsIntRect& aOutGeckoRect)
|
|
{
|
|
aOutGeckoRect.x = NSToIntRound(aCocoaRect.origin.x);
|
|
aOutGeckoRect.y = NSToIntRound(aCocoaRect.origin.y);
|
|
aOutGeckoRect.width = NSToIntRound(aCocoaRect.origin.x + aCocoaRect.size.width) - aOutGeckoRect.x;
|
|
aOutGeckoRect.height = NSToIntRound(aCocoaRect.origin.y + aCocoaRect.size.height) - aOutGeckoRect.y;
|
|
}
|
|
|
|
// static
|
|
NSEvent*
|
|
nsCocoaUtils::MakeNewCocoaEventWithType(NSEventType aEventType, NSEvent *aEvent)
|
|
{
|
|
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
|
|
|
|
NSEvent* newEvent =
|
|
[NSEvent keyEventWithType:aEventType
|
|
location:[aEvent locationInWindow]
|
|
modifierFlags:[aEvent modifierFlags]
|
|
timestamp:[aEvent timestamp]
|
|
windowNumber:[aEvent windowNumber]
|
|
context:[aEvent context]
|
|
characters:[aEvent characters]
|
|
charactersIgnoringModifiers:[aEvent charactersIgnoringModifiers]
|
|
isARepeat:[aEvent isARepeat]
|
|
keyCode:[aEvent keyCode]];
|
|
return newEvent;
|
|
|
|
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
|
|
}
|
|
|
|
// static
|
|
void
|
|
nsCocoaUtils::InitNPCocoaEvent(NPCocoaEvent* aNPCocoaEvent)
|
|
{
|
|
memset(aNPCocoaEvent, 0, sizeof(NPCocoaEvent));
|
|
}
|
|
|
|
// static
|
|
void
|
|
nsCocoaUtils::InitInputEvent(WidgetInputEvent& aInputEvent,
|
|
NSEvent* aNativeEvent)
|
|
{
|
|
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
|
|
|
|
aInputEvent.modifiers = ModifiersForEvent(aNativeEvent);
|
|
aInputEvent.time = PR_IntervalNow();
|
|
|
|
NS_OBJC_END_TRY_ABORT_BLOCK;
|
|
}
|
|
|
|
// static
|
|
Modifiers
|
|
nsCocoaUtils::ModifiersForEvent(NSEvent* aNativeEvent)
|
|
{
|
|
NSUInteger modifiers =
|
|
aNativeEvent ? [aNativeEvent modifierFlags] : [NSEvent modifierFlags];
|
|
Modifiers result = 0;
|
|
if (modifiers & NSShiftKeyMask) {
|
|
result |= MODIFIER_SHIFT;
|
|
}
|
|
if (modifiers & NSControlKeyMask) {
|
|
result |= MODIFIER_CONTROL;
|
|
}
|
|
if (modifiers & NSAlternateKeyMask) {
|
|
result |= MODIFIER_ALT;
|
|
// Mac's option key is similar to other platforms' AltGr key.
|
|
// Let's set AltGr flag when option key is pressed for consistency with
|
|
// other platforms.
|
|
result |= MODIFIER_ALTGRAPH;
|
|
}
|
|
if (modifiers & NSCommandKeyMask) {
|
|
result |= MODIFIER_META;
|
|
}
|
|
|
|
if (modifiers & NSAlphaShiftKeyMask) {
|
|
result |= MODIFIER_CAPSLOCK;
|
|
}
|
|
// Mac doesn't have NumLock key. We can assume that NumLock is always locked
|
|
// if user is using a keyboard which has numpad. Otherwise, if user is using
|
|
// a keyboard which doesn't have numpad, e.g., MacBook's keyboard, we can
|
|
// assume that NumLock is always unlocked.
|
|
// Unfortunately, we cannot know whether current keyboard has numpad or not.
|
|
// We should notify locked state only when keys in numpad are pressed.
|
|
// By this, web applications may not be confused by unexpected numpad key's
|
|
// key event with unlocked state.
|
|
if (modifiers & NSNumericPadKeyMask) {
|
|
result |= MODIFIER_NUMLOCK;
|
|
}
|
|
|
|
// Be aware, NSFunctionKeyMask is included when arrow keys, home key or some
|
|
// other keys are pressed. We cannot check whether 'fn' key is pressed or
|
|
// not by the flag.
|
|
|
|
return result;
|
|
}
|
|
|
|
// static
|
|
UInt32
|
|
nsCocoaUtils::ConvertToCarbonModifier(NSUInteger aCocoaModifier)
|
|
{
|
|
UInt32 carbonModifier = 0;
|
|
if (aCocoaModifier & NSAlphaShiftKeyMask) {
|
|
carbonModifier |= alphaLock;
|
|
}
|
|
if (aCocoaModifier & NSControlKeyMask) {
|
|
carbonModifier |= controlKey;
|
|
}
|
|
if (aCocoaModifier & NSAlternateKeyMask) {
|
|
carbonModifier |= optionKey;
|
|
}
|
|
if (aCocoaModifier & NSShiftKeyMask) {
|
|
carbonModifier |= shiftKey;
|
|
}
|
|
if (aCocoaModifier & NSCommandKeyMask) {
|
|
carbonModifier |= cmdKey;
|
|
}
|
|
if (aCocoaModifier & NSNumericPadKeyMask) {
|
|
carbonModifier |= kEventKeyModifierNumLockMask;
|
|
}
|
|
if (aCocoaModifier & NSFunctionKeyMask) {
|
|
carbonModifier |= kEventKeyModifierFnMask;
|
|
}
|
|
return carbonModifier;
|
|
}
|
|
|
|
// While HiDPI support is not 100% complete and tested, we'll have a pref
|
|
// to allow it to be turned off in case of problems (or for testing purposes).
|
|
|
|
// gfx.hidpi.enabled is an integer with the meaning:
|
|
// <= 0 : HiDPI support is disabled
|
|
// 1 : HiDPI enabled provided all screens have the same backing resolution
|
|
// > 1 : HiDPI enabled even if there are a mixture of screen modes
|
|
|
|
// All the following code is to be removed once HiDPI work is more complete.
|
|
|
|
static bool sHiDPIEnabled = false;
|
|
static bool sHiDPIPrefInitialized = false;
|
|
|
|
// static
|
|
bool
|
|
nsCocoaUtils::HiDPIEnabled()
|
|
{
|
|
if (!sHiDPIPrefInitialized) {
|
|
sHiDPIPrefInitialized = true;
|
|
|
|
int prefSetting = Preferences::GetInt("gfx.hidpi.enabled", 1);
|
|
if (prefSetting <= 0) {
|
|
return false;
|
|
}
|
|
|
|
// prefSetting is at least 1, need to check attached screens...
|
|
|
|
int scaleFactors = 0; // used as a bitset to track the screen types found
|
|
NSEnumerator *screenEnum = [[NSScreen screens] objectEnumerator];
|
|
while (NSScreen *screen = [screenEnum nextObject]) {
|
|
NSDictionary *desc = [screen deviceDescription];
|
|
if ([desc objectForKey:NSDeviceIsScreen] == nil) {
|
|
continue;
|
|
}
|
|
CGFloat scale =
|
|
[screen respondsToSelector:@selector(backingScaleFactor)] ?
|
|
[screen backingScaleFactor] : 1.0;
|
|
// Currently, we only care about differentiating "1.0" and "2.0",
|
|
// so we set one of the two low bits to record which.
|
|
if (scale > 1.0) {
|
|
scaleFactors |= 2;
|
|
} else {
|
|
scaleFactors |= 1;
|
|
}
|
|
}
|
|
|
|
// Now scaleFactors will be:
|
|
// 0 if no screens (supporting backingScaleFactor) found
|
|
// 1 if only lo-DPI screens
|
|
// 2 if only hi-DPI screens
|
|
// 3 if both lo- and hi-DPI screens
|
|
// We'll enable HiDPI support if there's only a single screen type,
|
|
// OR if the pref setting is explicitly greater than 1.
|
|
sHiDPIEnabled = (scaleFactors <= 2) || (prefSetting > 1);
|
|
}
|
|
|
|
return sHiDPIEnabled;
|
|
}
|
|
|
|
void
|
|
nsCocoaUtils::GetCommandsFromKeyEvent(NSEvent* aEvent,
|
|
nsTArray<KeyBindingsCommand>& aCommands)
|
|
{
|
|
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
|
|
|
|
MOZ_ASSERT(aEvent);
|
|
|
|
static NativeKeyBindingsRecorder* sNativeKeyBindingsRecorder;
|
|
if (!sNativeKeyBindingsRecorder) {
|
|
sNativeKeyBindingsRecorder = [NativeKeyBindingsRecorder new];
|
|
}
|
|
|
|
[sNativeKeyBindingsRecorder startRecording:aCommands];
|
|
|
|
// This will trigger 0 - N calls to doCommandBySelector: and insertText:
|
|
[sNativeKeyBindingsRecorder
|
|
interpretKeyEvents:[NSArray arrayWithObject:aEvent]];
|
|
|
|
NS_OBJC_END_TRY_ABORT_BLOCK;
|
|
}
|
|
|
|
@implementation NativeKeyBindingsRecorder
|
|
|
|
- (void)startRecording:(nsTArray<KeyBindingsCommand>&)aCommands
|
|
{
|
|
mCommands = &aCommands;
|
|
mCommands->Clear();
|
|
}
|
|
|
|
- (void)doCommandBySelector:(SEL)aSelector
|
|
{
|
|
KeyBindingsCommand command = {
|
|
aSelector,
|
|
nil
|
|
};
|
|
|
|
mCommands->AppendElement(command);
|
|
}
|
|
|
|
- (void)insertText:(id)aString
|
|
{
|
|
KeyBindingsCommand command = {
|
|
@selector(insertText:),
|
|
aString
|
|
};
|
|
|
|
mCommands->AppendElement(command);
|
|
}
|
|
|
|
@end // NativeKeyBindingsRecorder
|
|
|
|
struct KeyConversionData
|
|
{
|
|
const char* str;
|
|
size_t strLength;
|
|
uint32_t geckoKeyCode;
|
|
uint32_t charCode;
|
|
};
|
|
|
|
static const KeyConversionData gKeyConversions[] = {
|
|
|
|
#define KEYCODE_ENTRY(aStr, aCode) \
|
|
{#aStr, sizeof(#aStr) - 1, NS_##aStr, aCode}
|
|
|
|
// Some keycodes may have different name in nsIDOMKeyEvent from its key name.
|
|
#define KEYCODE_ENTRY2(aStr, aNSName, aCode) \
|
|
{#aStr, sizeof(#aStr) - 1, NS_##aNSName, aCode}
|
|
|
|
KEYCODE_ENTRY(VK_CANCEL, 0x001B),
|
|
KEYCODE_ENTRY(VK_DELETE, NSDeleteFunctionKey),
|
|
KEYCODE_ENTRY(VK_BACK, NSBackspaceCharacter),
|
|
KEYCODE_ENTRY2(VK_BACK_SPACE, VK_BACK, NSBackspaceCharacter),
|
|
KEYCODE_ENTRY(VK_TAB, NSTabCharacter),
|
|
KEYCODE_ENTRY(VK_CLEAR, NSClearLineFunctionKey),
|
|
KEYCODE_ENTRY(VK_RETURN, NSEnterCharacter),
|
|
KEYCODE_ENTRY(VK_SHIFT, 0),
|
|
KEYCODE_ENTRY(VK_CONTROL, 0),
|
|
KEYCODE_ENTRY(VK_ALT, 0),
|
|
KEYCODE_ENTRY(VK_PAUSE, NSPauseFunctionKey),
|
|
KEYCODE_ENTRY(VK_CAPS_LOCK, 0),
|
|
KEYCODE_ENTRY(VK_ESCAPE, 0),
|
|
KEYCODE_ENTRY(VK_SPACE, ' '),
|
|
KEYCODE_ENTRY(VK_PAGE_UP, NSPageUpFunctionKey),
|
|
KEYCODE_ENTRY(VK_PAGE_DOWN, NSPageDownFunctionKey),
|
|
KEYCODE_ENTRY(VK_END, NSEndFunctionKey),
|
|
KEYCODE_ENTRY(VK_HOME, NSHomeFunctionKey),
|
|
KEYCODE_ENTRY(VK_LEFT, NSLeftArrowFunctionKey),
|
|
KEYCODE_ENTRY(VK_UP, NSUpArrowFunctionKey),
|
|
KEYCODE_ENTRY(VK_RIGHT, NSRightArrowFunctionKey),
|
|
KEYCODE_ENTRY(VK_DOWN, NSDownArrowFunctionKey),
|
|
KEYCODE_ENTRY(VK_PRINTSCREEN, NSPrintScreenFunctionKey),
|
|
KEYCODE_ENTRY(VK_INSERT, NSInsertFunctionKey),
|
|
KEYCODE_ENTRY(VK_HELP, NSHelpFunctionKey),
|
|
KEYCODE_ENTRY(VK_0, '0'),
|
|
KEYCODE_ENTRY(VK_1, '1'),
|
|
KEYCODE_ENTRY(VK_2, '2'),
|
|
KEYCODE_ENTRY(VK_3, '3'),
|
|
KEYCODE_ENTRY(VK_4, '4'),
|
|
KEYCODE_ENTRY(VK_5, '5'),
|
|
KEYCODE_ENTRY(VK_6, '6'),
|
|
KEYCODE_ENTRY(VK_7, '7'),
|
|
KEYCODE_ENTRY(VK_8, '8'),
|
|
KEYCODE_ENTRY(VK_9, '9'),
|
|
KEYCODE_ENTRY(VK_SEMICOLON, ':'),
|
|
KEYCODE_ENTRY(VK_EQUALS, '='),
|
|
KEYCODE_ENTRY(VK_A, 'A'),
|
|
KEYCODE_ENTRY(VK_B, 'B'),
|
|
KEYCODE_ENTRY(VK_C, 'C'),
|
|
KEYCODE_ENTRY(VK_D, 'D'),
|
|
KEYCODE_ENTRY(VK_E, 'E'),
|
|
KEYCODE_ENTRY(VK_F, 'F'),
|
|
KEYCODE_ENTRY(VK_G, 'G'),
|
|
KEYCODE_ENTRY(VK_H, 'H'),
|
|
KEYCODE_ENTRY(VK_I, 'I'),
|
|
KEYCODE_ENTRY(VK_J, 'J'),
|
|
KEYCODE_ENTRY(VK_K, 'K'),
|
|
KEYCODE_ENTRY(VK_L, 'L'),
|
|
KEYCODE_ENTRY(VK_M, 'M'),
|
|
KEYCODE_ENTRY(VK_N, 'N'),
|
|
KEYCODE_ENTRY(VK_O, 'O'),
|
|
KEYCODE_ENTRY(VK_P, 'P'),
|
|
KEYCODE_ENTRY(VK_Q, 'Q'),
|
|
KEYCODE_ENTRY(VK_R, 'R'),
|
|
KEYCODE_ENTRY(VK_S, 'S'),
|
|
KEYCODE_ENTRY(VK_T, 'T'),
|
|
KEYCODE_ENTRY(VK_U, 'U'),
|
|
KEYCODE_ENTRY(VK_V, 'V'),
|
|
KEYCODE_ENTRY(VK_W, 'W'),
|
|
KEYCODE_ENTRY(VK_X, 'X'),
|
|
KEYCODE_ENTRY(VK_Y, 'Y'),
|
|
KEYCODE_ENTRY(VK_Z, 'Z'),
|
|
KEYCODE_ENTRY(VK_CONTEXT_MENU, NSMenuFunctionKey),
|
|
KEYCODE_ENTRY(VK_NUMPAD0, '0'),
|
|
KEYCODE_ENTRY(VK_NUMPAD1, '1'),
|
|
KEYCODE_ENTRY(VK_NUMPAD2, '2'),
|
|
KEYCODE_ENTRY(VK_NUMPAD3, '3'),
|
|
KEYCODE_ENTRY(VK_NUMPAD4, '4'),
|
|
KEYCODE_ENTRY(VK_NUMPAD5, '5'),
|
|
KEYCODE_ENTRY(VK_NUMPAD6, '6'),
|
|
KEYCODE_ENTRY(VK_NUMPAD7, '7'),
|
|
KEYCODE_ENTRY(VK_NUMPAD8, '8'),
|
|
KEYCODE_ENTRY(VK_NUMPAD9, '9'),
|
|
KEYCODE_ENTRY(VK_MULTIPLY, '*'),
|
|
KEYCODE_ENTRY(VK_ADD, '+'),
|
|
KEYCODE_ENTRY(VK_SEPARATOR, 0),
|
|
KEYCODE_ENTRY(VK_SUBTRACT, '-'),
|
|
KEYCODE_ENTRY(VK_DECIMAL, '.'),
|
|
KEYCODE_ENTRY(VK_DIVIDE, '/'),
|
|
KEYCODE_ENTRY(VK_F1, NSF1FunctionKey),
|
|
KEYCODE_ENTRY(VK_F2, NSF2FunctionKey),
|
|
KEYCODE_ENTRY(VK_F3, NSF3FunctionKey),
|
|
KEYCODE_ENTRY(VK_F4, NSF4FunctionKey),
|
|
KEYCODE_ENTRY(VK_F5, NSF5FunctionKey),
|
|
KEYCODE_ENTRY(VK_F6, NSF6FunctionKey),
|
|
KEYCODE_ENTRY(VK_F7, NSF7FunctionKey),
|
|
KEYCODE_ENTRY(VK_F8, NSF8FunctionKey),
|
|
KEYCODE_ENTRY(VK_F9, NSF9FunctionKey),
|
|
KEYCODE_ENTRY(VK_F10, NSF10FunctionKey),
|
|
KEYCODE_ENTRY(VK_F11, NSF11FunctionKey),
|
|
KEYCODE_ENTRY(VK_F12, NSF12FunctionKey),
|
|
KEYCODE_ENTRY(VK_F13, NSF13FunctionKey),
|
|
KEYCODE_ENTRY(VK_F14, NSF14FunctionKey),
|
|
KEYCODE_ENTRY(VK_F15, NSF15FunctionKey),
|
|
KEYCODE_ENTRY(VK_F16, NSF16FunctionKey),
|
|
KEYCODE_ENTRY(VK_F17, NSF17FunctionKey),
|
|
KEYCODE_ENTRY(VK_F18, NSF18FunctionKey),
|
|
KEYCODE_ENTRY(VK_F19, NSF19FunctionKey),
|
|
KEYCODE_ENTRY(VK_F20, NSF20FunctionKey),
|
|
KEYCODE_ENTRY(VK_F21, NSF21FunctionKey),
|
|
KEYCODE_ENTRY(VK_F22, NSF22FunctionKey),
|
|
KEYCODE_ENTRY(VK_F23, NSF23FunctionKey),
|
|
KEYCODE_ENTRY(VK_F24, NSF24FunctionKey),
|
|
KEYCODE_ENTRY(VK_NUM_LOCK, NSClearLineFunctionKey),
|
|
KEYCODE_ENTRY(VK_SCROLL_LOCK, NSScrollLockFunctionKey),
|
|
KEYCODE_ENTRY(VK_COMMA, ','),
|
|
KEYCODE_ENTRY(VK_PERIOD, '.'),
|
|
KEYCODE_ENTRY(VK_SLASH, '/'),
|
|
KEYCODE_ENTRY(VK_BACK_QUOTE, '`'),
|
|
KEYCODE_ENTRY(VK_OPEN_BRACKET, '['),
|
|
KEYCODE_ENTRY(VK_BACK_SLASH, '\\'),
|
|
KEYCODE_ENTRY(VK_CLOSE_BRACKET, ']'),
|
|
KEYCODE_ENTRY(VK_QUOTE, '\'')
|
|
|
|
#undef KEYCODE_ENTRY
|
|
|
|
};
|
|
|
|
uint32_t
|
|
nsCocoaUtils::ConvertGeckoNameToMacCharCode(const nsAString& aKeyCodeName)
|
|
{
|
|
if (aKeyCodeName.IsEmpty()) {
|
|
return 0;
|
|
}
|
|
|
|
nsAutoCString keyCodeName;
|
|
keyCodeName.AssignWithConversion(aKeyCodeName);
|
|
// We want case-insensitive comparison with data stored as uppercase.
|
|
ToUpperCase(keyCodeName);
|
|
|
|
uint32_t keyCodeNameLength = keyCodeName.Length();
|
|
const char* keyCodeNameStr = keyCodeName.get();
|
|
for (uint16_t i = 0; i < ArrayLength(gKeyConversions); ++i) {
|
|
if (keyCodeNameLength == gKeyConversions[i].strLength &&
|
|
nsCRT::strcmp(gKeyConversions[i].str, keyCodeNameStr) == 0) {
|
|
return gKeyConversions[i].charCode;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
uint32_t
|
|
nsCocoaUtils::ConvertGeckoKeyCodeToMacCharCode(uint32_t aKeyCode)
|
|
{
|
|
if (!aKeyCode) {
|
|
return 0;
|
|
}
|
|
|
|
for (uint16_t i = 0; i < ArrayLength(gKeyConversions); ++i) {
|
|
if (gKeyConversions[i].geckoKeyCode == aKeyCode) {
|
|
return gKeyConversions[i].charCode;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|