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| 1 /* | |
| 2 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
| 3 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #include "config.h" | |
| 28 #include "Cursor.h" | |
| 29 | |
| 30 #include "BitmapInfo.h" | |
| 31 #include "HWndDC.h" | |
| 32 #include "Image.h" | |
| 33 #include "IntPoint.h" | |
| 34 #include "SystemInfo.h" | |
| 35 | |
| 36 #include <wtf/OwnPtr.h> | |
| 37 #include <wtf/PassOwnPtr.h> | |
| 38 | |
| 39 #include <windows.h> | |
| 40 | |
| 41 #define ALPHA_CURSORS | |
| 42 | |
| 43 namespace WebCore { | |
| 44 | |
| 45 static PassRefPtr<SharedCursor> createSharedCursor(Image* img, const IntPoint& h
otSpot) | |
| 46 { | |
| 47 RefPtr<SharedCursor> impl; | |
| 48 | |
| 49 IntPoint effectiveHotSpot = determineHotSpot(img, hotSpot); | |
| 50 static bool doAlpha = windowsVersion() >= WindowsXP; | |
| 51 BitmapInfo cursorImage = BitmapInfo::create(IntSize(img->width(), img->heigh
t())); | |
| 52 | |
| 53 HWndDC dc(0); | |
| 54 HDC workingDC = CreateCompatibleDC(dc); | |
| 55 if (doAlpha) { | |
| 56 OwnPtr<HBITMAP> hCursor = adoptPtr(CreateDIBSection(dc, (BITMAPINFO *)&c
ursorImage, DIB_RGB_COLORS, 0, 0, 0)); | |
| 57 ASSERT(hCursor); | |
| 58 | |
| 59 img->getHBITMAP(hCursor.get()); | |
| 60 HBITMAP hOldBitmap = (HBITMAP)SelectObject(workingDC, hCursor.get()); | |
| 61 SetBkMode(workingDC, TRANSPARENT); | |
| 62 SelectObject(workingDC, hOldBitmap); | |
| 63 | |
| 64 Vector<unsigned char, 128> maskBits; | |
| 65 maskBits.fill(0xff, (img->width() + 7) / 8 * img->height()); | |
| 66 OwnPtr<HBITMAP> hMask = adoptPtr(CreateBitmap(img->width(), img->height(
), 1, 1, maskBits.data())); | |
| 67 | |
| 68 ICONINFO ii; | |
| 69 ii.fIcon = FALSE; | |
| 70 ii.xHotspot = effectiveHotSpot.x(); | |
| 71 ii.yHotspot = effectiveHotSpot.y(); | |
| 72 ii.hbmMask = hMask.get(); | |
| 73 ii.hbmColor = hCursor.get(); | |
| 74 | |
| 75 impl = SharedCursor::create(CreateIconIndirect(&ii)); | |
| 76 } else { | |
| 77 // Platform doesn't support alpha blended cursors, so we need | |
| 78 // to create the mask manually | |
| 79 HDC andMaskDC = CreateCompatibleDC(dc); | |
| 80 HDC xorMaskDC = CreateCompatibleDC(dc); | |
| 81 OwnPtr<HBITMAP> hCursor = adoptPtr(CreateDIBSection(dc, &cursorImage, DI
B_RGB_COLORS, 0, 0, 0)); | |
| 82 ASSERT(hCursor); | |
| 83 img->getHBITMAP(hCursor.get()); | |
| 84 BITMAP cursor; | |
| 85 GetObject(hCursor.get(), sizeof(BITMAP), &cursor); | |
| 86 OwnPtr<HBITMAP> andMask = adoptPtr(CreateBitmap(cursor.bmWidth, cursor.b
mHeight, 1, 1, NULL)); | |
| 87 OwnPtr<HBITMAP> xorMask = adoptPtr(CreateCompatibleBitmap(dc, cursor.bmW
idth, cursor.bmHeight)); | |
| 88 HBITMAP oldCursor = (HBITMAP)SelectObject(workingDC, hCursor.get()); | |
| 89 HBITMAP oldAndMask = (HBITMAP)SelectObject(andMaskDC, andMask.get()); | |
| 90 HBITMAP oldXorMask = (HBITMAP)SelectObject(xorMaskDC, xorMask.get()); | |
| 91 | |
| 92 SetBkColor(workingDC, RGB(0,0,0)); | |
| 93 BitBlt(andMaskDC, 0, 0, cursor.bmWidth, cursor.bmHeight, workingDC, 0, 0
, SRCCOPY); | |
| 94 | |
| 95 SetBkColor(xorMaskDC, RGB(255, 255, 255)); | |
| 96 SetTextColor(xorMaskDC, RGB(255, 255, 255)); | |
| 97 BitBlt(xorMaskDC, 0, 0, cursor.bmWidth, cursor.bmHeight, andMaskDC, 0, 0
, SRCCOPY); | |
| 98 BitBlt(xorMaskDC, 0, 0, cursor.bmWidth, cursor.bmHeight, workingDC, 0,0,
SRCAND); | |
| 99 | |
| 100 SelectObject(workingDC, oldCursor); | |
| 101 SelectObject(andMaskDC, oldAndMask); | |
| 102 SelectObject(xorMaskDC, oldXorMask); | |
| 103 | |
| 104 ICONINFO icon = {0}; | |
| 105 icon.fIcon = FALSE; | |
| 106 icon.xHotspot = effectiveHotSpot.x(); | |
| 107 icon.yHotspot = effectiveHotSpot.y(); | |
| 108 icon.hbmMask = andMask.get(); | |
| 109 icon.hbmColor = xorMask.get(); | |
| 110 impl = SharedCursor::create(CreateIconIndirect(&icon)); | |
| 111 | |
| 112 DeleteDC(xorMaskDC); | |
| 113 DeleteDC(andMaskDC); | |
| 114 } | |
| 115 DeleteDC(workingDC); | |
| 116 | |
| 117 return impl.release(); | |
| 118 } | |
| 119 | |
| 120 static PassRefPtr<SharedCursor> loadSharedCursor(HINSTANCE hInstance, LPCWSTR lp
CursorName) | |
| 121 { | |
| 122 return SharedCursor::create(::LoadCursorW(hInstance, lpCursorName)); | |
| 123 } | |
| 124 | |
| 125 static PassRefPtr<SharedCursor> loadCursorByName(char* name, int x, int y) | |
| 126 { | |
| 127 IntPoint hotSpot(x, y); | |
| 128 RefPtr<Image> cursorImage(Image::loadPlatformResource(name)); | |
| 129 if (cursorImage && !cursorImage->isNull()) | |
| 130 return createSharedCursor(cursorImage.get(), hotSpot); | |
| 131 return loadSharedCursor(0, IDC_ARROW); | |
| 132 } | |
| 133 | |
| 134 void Cursor::ensurePlatformCursor() const | |
| 135 { | |
| 136 if (m_platformCursor) | |
| 137 return; | |
| 138 | |
| 139 switch (m_type) { | |
| 140 case Cursor::Pointer: | |
| 141 case Cursor::Cell: | |
| 142 case Cursor::ContextMenu: | |
| 143 case Cursor::Alias: | |
| 144 case Cursor::Copy: | |
| 145 case Cursor::None: | |
| 146 case Cursor::Grab: | |
| 147 case Cursor::Grabbing: | |
| 148 m_platformCursor = loadSharedCursor(0, IDC_ARROW); | |
| 149 break; | |
| 150 case Cursor::Cross: | |
| 151 m_platformCursor = loadSharedCursor(0, IDC_CROSS); | |
| 152 break; | |
| 153 case Cursor::Hand: | |
| 154 m_platformCursor = loadSharedCursor(0, IDC_HAND); | |
| 155 break; | |
| 156 case Cursor::IBeam: | |
| 157 m_platformCursor = loadSharedCursor(0, IDC_IBEAM); | |
| 158 break; | |
| 159 case Cursor::Wait: | |
| 160 m_platformCursor = loadSharedCursor(0, IDC_WAIT); | |
| 161 break; | |
| 162 case Cursor::Help: | |
| 163 m_platformCursor = loadSharedCursor(0, IDC_HELP); | |
| 164 break; | |
| 165 case Cursor::Move: | |
| 166 m_platformCursor = loadSharedCursor(0, IDC_SIZEALL); | |
| 167 break; | |
| 168 case Cursor::MiddlePanning: | |
| 169 m_platformCursor = loadCursorByName("panIcon", 8, 8); | |
| 170 break; | |
| 171 case Cursor::EastResize: | |
| 172 m_platformCursor = loadSharedCursor(0, IDC_SIZEWE); | |
| 173 break; | |
| 174 case Cursor::EastPanning: | |
| 175 m_platformCursor = loadCursorByName("panEastCursor", 7, 7); | |
| 176 break; | |
| 177 case Cursor::NorthResize: | |
| 178 m_platformCursor = loadSharedCursor(0, IDC_SIZENS); | |
| 179 break; | |
| 180 case Cursor::NorthPanning: | |
| 181 m_platformCursor = loadCursorByName("panNorthCursor", 7, 7); | |
| 182 break; | |
| 183 case Cursor::NorthEastResize: | |
| 184 m_platformCursor = loadSharedCursor(0, IDC_SIZENESW); | |
| 185 break; | |
| 186 case Cursor::NorthEastPanning: | |
| 187 m_platformCursor = loadCursorByName("panNorthEastCursor", 7, 7); | |
| 188 break; | |
| 189 case Cursor::NorthWestResize: | |
| 190 m_platformCursor = loadSharedCursor(0, IDC_SIZENWSE); | |
| 191 break; | |
| 192 case Cursor::NorthWestPanning: | |
| 193 m_platformCursor = loadCursorByName("panNorthWestCursor", 7, 7); | |
| 194 break; | |
| 195 case Cursor::SouthResize: | |
| 196 m_platformCursor = loadSharedCursor(0, IDC_SIZENS); | |
| 197 break; | |
| 198 case Cursor::SouthPanning: | |
| 199 m_platformCursor = loadCursorByName("panSouthCursor", 7, 7); | |
| 200 break; | |
| 201 case Cursor::SouthEastResize: | |
| 202 m_platformCursor = loadSharedCursor(0, IDC_SIZENWSE); | |
| 203 break; | |
| 204 case Cursor::SouthEastPanning: | |
| 205 m_platformCursor = loadCursorByName("panSouthEastCursor", 7, 7); | |
| 206 break; | |
| 207 case Cursor::SouthWestResize: | |
| 208 m_platformCursor = loadSharedCursor(0, IDC_SIZENESW); | |
| 209 break; | |
| 210 case Cursor::SouthWestPanning: | |
| 211 m_platformCursor = loadCursorByName("panSouthWestCursor", 7, 7); | |
| 212 break; | |
| 213 case Cursor::WestResize: | |
| 214 m_platformCursor = loadSharedCursor(0, IDC_SIZEWE); | |
| 215 break; | |
| 216 case Cursor::NorthSouthResize: | |
| 217 m_platformCursor = loadSharedCursor(0, IDC_SIZENS); | |
| 218 break; | |
| 219 case Cursor::EastWestResize: | |
| 220 m_platformCursor = loadSharedCursor(0, IDC_SIZEWE); | |
| 221 break; | |
| 222 case Cursor::WestPanning: | |
| 223 m_platformCursor = loadCursorByName("panWestCursor", 7, 7); | |
| 224 break; | |
| 225 case Cursor::NorthEastSouthWestResize: | |
| 226 m_platformCursor = loadSharedCursor(0, IDC_SIZENESW); | |
| 227 break; | |
| 228 case Cursor::NorthWestSouthEastResize: | |
| 229 m_platformCursor = loadSharedCursor(0, IDC_SIZENWSE); | |
| 230 break; | |
| 231 case Cursor::ColumnResize: | |
| 232 // FIXME: Windows does not have a standard column resize cursor <rdar://
problem/5018591> | |
| 233 m_platformCursor = loadSharedCursor(0, IDC_SIZEWE); | |
| 234 break; | |
| 235 case Cursor::RowResize: | |
| 236 // FIXME: Windows does not have a standard row resize cursor <rdar://pro
blem/5018591> | |
| 237 m_platformCursor = loadSharedCursor(0, IDC_SIZENS); | |
| 238 break; | |
| 239 case Cursor::VerticalText: | |
| 240 m_platformCursor = loadCursorByName("verticalTextCursor", 7, 7); | |
| 241 break; | |
| 242 case Cursor::Progress: | |
| 243 m_platformCursor = loadSharedCursor(0, IDC_APPSTARTING); | |
| 244 break; | |
| 245 case Cursor::NoDrop: | |
| 246 case Cursor::NotAllowed: | |
| 247 m_platformCursor = loadSharedCursor(0, IDC_NO); | |
| 248 break; | |
| 249 case Cursor::ZoomIn: | |
| 250 m_platformCursor = loadCursorByName("zoomInCursor", 7, 7); | |
| 251 break; | |
| 252 case Cursor::ZoomOut: | |
| 253 m_platformCursor = loadCursorByName("zoomOutCursor", 7, 7); | |
| 254 break; | |
| 255 case Cursor::Custom: | |
| 256 m_platformCursor = createSharedCursor(m_image.get(), m_hotSpot); | |
| 257 break; | |
| 258 default: | |
| 259 ASSERT_NOT_REACHED(); | |
| 260 m_platformCursor = loadSharedCursor(0, IDC_ARROW); | |
| 261 break; | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 SharedCursor::~SharedCursor() | |
| 266 { | |
| 267 DestroyIcon(m_nativeCursor); | |
| 268 } | |
| 269 | |
| 270 Cursor::Cursor(const Cursor& other) | |
| 271 : m_type(other.m_type) | |
| 272 , m_image(other.m_image) | |
| 273 , m_hotSpot(other.m_hotSpot) | |
| 274 , m_platformCursor(other.m_platformCursor) | |
| 275 { | |
| 276 } | |
| 277 | |
| 278 Cursor& Cursor::operator=(const Cursor& other) | |
| 279 { | |
| 280 m_type = other.m_type; | |
| 281 m_image = other.m_image; | |
| 282 m_hotSpot = other.m_hotSpot; | |
| 283 m_platformCursor = other.m_platformCursor; | |
| 284 return *this; | |
| 285 } | |
| 286 | |
| 287 Cursor::~Cursor() | |
| 288 { | |
| 289 } | |
| 290 | |
| 291 } // namespace WebCore | |
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Chromium Code Reviews
Issue 13642009:
WebCore: Remove PLATFORM(WIN) files we do not use. (Closed)
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