/* * Copyright (C) 2004, 2006, 2010 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "config.h" #import "Cursor.h" #import "BlockExceptions.h" #import "WebCoreSystemInterface.h" #import <wtf/StdLibExtras.h> @interface WebCoreCursorBundle : NSObject { } @end @implementation WebCoreCursorBundle @end namespace WebCore { // Simple NSCursor calls shouldn't need protection, // but creating a cursor with a bad image might throw. static RetainPtr<NSCursor> createCustomCursor(Image* image, const IntPoint& hotSpot) { // FIXME: The cursor won't animate. Not sure if that's a big deal. NSImage* nsImage = image->getNSImage(); if (!nsImage) return 0; BEGIN_BLOCK_OBJC_EXCEPTIONS; return RetainPtr<NSCursor>(AdoptNS, [[NSCursor alloc] initWithImage:nsImage hotSpot:hotSpot]); END_BLOCK_OBJC_EXCEPTIONS; return 0; } static RetainPtr<NSCursor> createNamedCursor(const char* name, int x, int y) { BEGIN_BLOCK_OBJC_EXCEPTIONS; RetainPtr<NSString> resourceName(AdoptNS, [[NSString alloc] initWithUTF8String:name]); RetainPtr<NSImage> cursorImage(AdoptNS, [[NSImage alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreCursorBundle class]] pathForResource:resourceName.get() ofType:@"png"]]); RetainPtr<NSCursor> cursor; if (cursorImage) { NSPoint hotSpotPoint = {x, y}; // workaround for 4213314 cursor.adoptNS([[NSCursor alloc] initWithImage:cursorImage.get() hotSpot:hotSpotPoint]); } return cursor; END_BLOCK_OBJC_EXCEPTIONS; return nil; } void Cursor::ensurePlatformCursor() const { if (m_platformCursor) return; switch (m_type) { case Cursor::Pointer: m_platformCursor = [NSCursor arrowCursor]; break; case Cursor::Cross: m_platformCursor = [NSCursor crosshairCursor]; break; case Cursor::Hand: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = [NSCursor pointingHandCursor]; #else // The pointingHandCursor from NSCursor does not have a shadow on // older versions of OS X, so use our own custom cursor. m_platformCursor = createNamedCursor("linkCursor", 6, 1); #endif break; case Cursor::IBeam: m_platformCursor = [NSCursor IBeamCursor]; break; case Cursor::Wait: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("BusyButClickable"); #else m_platformCursor = createNamedCursor("waitCursor", 7, 7); #endif break; case Cursor::Help: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("Help"); if (m_platformCursor) break; #endif m_platformCursor = createNamedCursor("helpCursor", 8, 8); break; case Cursor::Move: case Cursor::MiddlePanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("Move"); #else m_platformCursor = createNamedCursor("moveCursor", 7, 7); #endif break; case Cursor::EastResize: case Cursor::EastPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeEast"); #else m_platformCursor = createNamedCursor("eastResizeCursor", 14, 7); #endif break; case Cursor::NorthResize: case Cursor::NorthPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeNorth"); #else m_platformCursor = createNamedCursor("northResizeCursor", 7, 1); #endif break; case Cursor::NorthEastResize: case Cursor::NorthEastPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeNortheast"); #else m_platformCursor = createNamedCursor("northEastResizeCursor", 14, 1); #endif break; case Cursor::NorthWestResize: case Cursor::NorthWestPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeNorthwest"); #else m_platformCursor = createNamedCursor("northWestResizeCursor", 0, 0); #endif break; case Cursor::SouthResize: case Cursor::SouthPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeSouth"); #else m_platformCursor = createNamedCursor("southResizeCursor", 7, 14); #endif break; case Cursor::SouthEastResize: case Cursor::SouthEastPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeSoutheast"); #else m_platformCursor = createNamedCursor("southEastResizeCursor", 14, 14); #endif break; case Cursor::SouthWestResize: case Cursor::SouthWestPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeSouthwest"); #else m_platformCursor = createNamedCursor("southWestResizeCursor", 1, 14); #endif break; case Cursor::WestResize: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeWest"); #else m_platformCursor = createNamedCursor("westResizeCursor", 1, 7); #endif break; case Cursor::NorthSouthResize: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeNorthSouth"); #else m_platformCursor = createNamedCursor("northSouthResizeCursor", 7, 7); #endif break; case Cursor::EastWestResize: case Cursor::WestPanning: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeEastWest"); #else m_platformCursor = createNamedCursor("eastWestResizeCursor", 7, 7); #endif break; case Cursor::NorthEastSouthWestResize: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeNortheastSouthwest"); #else m_platformCursor = createNamedCursor("northEastSouthWestResizeCursor", 7, 7); #endif break; case Cursor::NorthWestSouthEastResize: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ResizeNorthwestSoutheast"); #else m_platformCursor = createNamedCursor("northWestSouthEastResizeCursor", 7, 7); #endif break; case Cursor::ColumnResize: m_platformCursor = [NSCursor resizeLeftRightCursor]; break; case Cursor::RowResize: m_platformCursor = [NSCursor resizeUpDownCursor]; break; case Cursor::VerticalText: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = [NSCursor IBeamCursorForVerticalLayout]; #else m_platformCursor = createNamedCursor("verticalTextCursor", 7, 7); #endif break; case Cursor::Cell: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("Cell"); if (m_platformCursor) break; #endif m_platformCursor = createNamedCursor("cellCursor", 7, 7); break; case Cursor::ContextMenu: #if !defined(BUILDING_ON_LEOPARD) m_platformCursor = [NSCursor contextualMenuCursor]; #else m_platformCursor = createNamedCursor("contextMenuCursor", 3, 2); #endif break; case Cursor::Alias: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("MakeAlias"); #else m_platformCursor = createNamedCursor("aliasCursor", 11, 3); #endif break; case Cursor::Progress: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("BusyButClickable"); #else m_platformCursor = createNamedCursor("progressCursor", 3, 2); #endif break; case Cursor::NoDrop: #if !defined(BUILDING_ON_LEOPARD) m_platformCursor = [NSCursor operationNotAllowedCursor]; #else m_platformCursor = createNamedCursor("noDropCursor", 3, 1); #endif break; case Cursor::Copy: #if !defined(BUILDING_ON_LEOPARD) m_platformCursor = [NSCursor dragCopyCursor]; #else m_platformCursor = createNamedCursor("copyCursor", 3, 2); #endif break; case Cursor::None: m_platformCursor = createNamedCursor("noneCursor", 7, 7); break; case Cursor::NotAllowed: #if !defined(BUILDING_ON_LEOPARD) m_platformCursor = [NSCursor operationNotAllowedCursor]; #else m_platformCursor = createNamedCursor("notAllowedCursor", 11, 11); #endif break; case Cursor::ZoomIn: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ZoomIn"); if (m_platformCursor) break; #endif m_platformCursor = createNamedCursor("zoomInCursor", 7, 7); break; case Cursor::ZoomOut: #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) m_platformCursor = wkCursor("ZoomOut"); if (m_platformCursor) break; #endif m_platformCursor = createNamedCursor("zoomOutCursor", 7, 7); break; case Cursor::Grab: m_platformCursor = [NSCursor openHandCursor]; break; case Cursor::Grabbing: m_platformCursor = [NSCursor closedHandCursor]; break; case Cursor::Custom: m_platformCursor = createCustomCursor(m_image.get(), m_hotSpot); break; } } Cursor::Cursor(const Cursor& other) : m_type(other.m_type) , m_image(other.m_image) , m_hotSpot(other.m_hotSpot) , m_platformCursor(other.m_platformCursor) { } Cursor& Cursor::operator=(const Cursor& other) { m_type = other.m_type; m_image = other.m_image; m_hotSpot = other.m_hotSpot; m_platformCursor = other.m_platformCursor; return *this; } Cursor::~Cursor() { } NSCursor *Cursor::platformCursor() const { ensurePlatformCursor(); return m_platformCursor.get(); } } // namespace WebCore