diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowscursor.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowscursor.cpp | 168 |
1 files changed, 147 insertions, 21 deletions
diff --git a/src/plugins/platforms/windows/qwindowscursor.cpp b/src/plugins/platforms/windows/qwindowscursor.cpp index 800b79347c..c769eb04a4 100644 --- a/src/plugins/platforms/windows/qwindowscursor.cpp +++ b/src/plugins/platforms/windows/qwindowscursor.cpp @@ -43,15 +43,17 @@ #include <QtGui/QGuiApplication> #include <QtGui/QScreen> #include <QtGui/private/qguiapplication_p.h> // getPixmapCursor() +#include <QtGui/private/qhighdpiscaling_p.h> #include <QtCore/QDebug> #include <QtCore/QScopedArrayPointer> -static void initResources() +static bool initResources() { #if !defined (Q_OS_WINCE) && !defined (QT_NO_IMAGEFORMAT_PNG) Q_INIT_RESOURCE(cursors); #endif + return true; } QT_BEGIN_NAMESPACE @@ -92,9 +94,14 @@ QWindowsPixmapCursorCacheKey::QWindowsPixmapCursorCacheKey(const QCursor &c) \sa QWindowsWindowCursor */ -HCURSOR QWindowsCursor::createPixmapCursor(const QPixmap &pixmap, const QPoint &hotSpot) +HCURSOR QWindowsCursor::createPixmapCursor(QPixmap pixmap, const QPoint &hotSpot, qreal scaleFactor) { HCURSOR cur = 0; + scaleFactor /= pixmap.devicePixelRatioF(); + if (!qFuzzyCompare(scaleFactor, 1)) { + pixmap = pixmap.scaled((scaleFactor * QSizeF(pixmap.size())).toSize(), + Qt::KeepAspectRatio, Qt::SmoothTransformation); + } QBitmap mask = pixmap.mask(); if (mask.isNull()) { mask = QBitmap(pixmap.size()); @@ -202,17 +209,43 @@ static HCURSOR createBitmapCursor(const QImage &bbits, const QImage &mbits, } // Create a cursor from image and mask of the format QImage::Format_Mono. -static HCURSOR createBitmapCursor(const QCursor &cursor) +static HCURSOR createBitmapCursor(const QCursor &cursor, qreal scaleFactor = 1) { Q_ASSERT(cursor.shape() == Qt::BitmapCursor && cursor.bitmap()); - const QImage bbits = cursor.bitmap()->toImage().convertToFormat(QImage::Format_Mono); - const QImage mbits = cursor.mask()->toImage().convertToFormat(QImage::Format_Mono); + QImage bbits = cursor.bitmap()->toImage(); + QImage mbits = cursor.mask()->toImage(); + scaleFactor /= bbits.devicePixelRatioF(); + if (!qFuzzyCompare(scaleFactor, 1)) { + const QSize scaledSize = (QSizeF(bbits.size()) * scaleFactor).toSize(); + bbits = bbits.scaled(scaledSize, Qt::KeepAspectRatio, Qt::SmoothTransformation); + mbits = mbits.scaled(scaledSize, Qt::KeepAspectRatio, Qt::SmoothTransformation); + } + bbits = bbits.convertToFormat(QImage::Format_Mono); + mbits = mbits.convertToFormat(QImage::Format_Mono); const bool invb = bbits.colorCount() > 1 && qGray(bbits.color(0)) < qGray(bbits.color(1)); const bool invm = mbits.colorCount() > 1 && qGray(mbits.color(0)) < qGray(mbits.color(1)); return createBitmapCursor(bbits, mbits, cursor.hotSpot(), invb, invm); } -static inline QSize systemCursorSize() { return QSize(GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR)); } +static QSize systemCursorSize(const QPlatformScreen *screen = Q_NULLPTR) +{ + const QSize primaryScreenCursorSize(GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR)); + if (screen) { + // Correct the size if the DPI value of the screen differs from + // that of the primary screen. + if (const QScreen *primaryQScreen = QGuiApplication::primaryScreen()) { + const QPlatformScreen *primaryScreen = primaryQScreen->handle(); + if (screen != primaryScreen) { + const qreal logicalDpi = screen->logicalDpi().first; + const qreal primaryScreenLogicalDpi = primaryScreen->logicalDpi().first; + if (!qFuzzyCompare(logicalDpi, primaryScreenLogicalDpi)) + return (QSizeF(primaryScreenCursorSize) * logicalDpi / primaryScreenLogicalDpi).toSize(); + } + } + } + return primaryScreenCursorSize; +} + static inline QSize standardCursorSize() { return QSize(32, 32); } #if defined (Q_OS_WINCE) || defined (QT_NO_IMAGEFORMAT_PNG) @@ -242,7 +275,8 @@ static QWindowsCursor::PixmapCursor createPixmapCursorFromData(const QSize &syst return QWindowsCursor::PixmapCursor(rawImage, hotSpot); } -QWindowsCursor::PixmapCursor QWindowsCursor::customCursor(Qt::CursorShape cursorShape) +QWindowsCursor::PixmapCursor QWindowsCursor::customCursor(Qt::CursorShape cursorShape, + const QPlatformScreen *screen) { // Non-standard Windows cursors are created from bitmaps static const uchar vsplit_bits[] = { @@ -410,13 +444,13 @@ QWindowsCursor::PixmapCursor QWindowsCursor::customCursor(Qt::CursorShape cursor switch (cursorShape) { case Qt::SplitVCursor: - return createPixmapCursorFromData(systemCursorSize(), standardCursorSize(), 32, vsplit_bits, vsplitm_bits); + return createPixmapCursorFromData(systemCursorSize(screen), standardCursorSize(), 32, vsplit_bits, vsplitm_bits); case Qt::SplitHCursor: - return createPixmapCursorFromData(systemCursorSize(), standardCursorSize(), 32, hsplit_bits, hsplitm_bits); + return createPixmapCursorFromData(systemCursorSize(screen), standardCursorSize(), 32, hsplit_bits, hsplitm_bits); case Qt::OpenHandCursor: - return createPixmapCursorFromData(systemCursorSize(), standardCursorSize(), 16, openhand_bits, openhandm_bits); + return createPixmapCursorFromData(systemCursorSize(screen), standardCursorSize(), 16, openhand_bits, openhandm_bits); case Qt::ClosedHandCursor: - return createPixmapCursorFromData(systemCursorSize(), standardCursorSize(), 16, closedhand_bits, closedhandm_bits); + return createPixmapCursorFromData(systemCursorSize(screen), standardCursorSize(), 16, closedhand_bits, closedhandm_bits); case Qt::DragCopyCursor: return QWindowsCursor::PixmapCursor(QPixmap(copyDragCursorXpmC), QPoint(0, 0)); case Qt::DragMoveCursor: @@ -436,7 +470,7 @@ struct QWindowsCustomPngCursor { int hotSpotY; }; -QWindowsCursor::PixmapCursor QWindowsCursor::customCursor(Qt::CursorShape cursorShape) +QWindowsCursor::PixmapCursor QWindowsCursor::customCursor(Qt::CursorShape cursorShape, const QPlatformScreen *screen) { static const QWindowsCustomPngCursor pngCursors[] = { { Qt::SplitVCursor, 32, "splitvcursor_32.png", 11, 11 }, @@ -462,14 +496,14 @@ QWindowsCursor::PixmapCursor QWindowsCursor::customCursor(Qt::CursorShape cursor { Qt::DragLinkCursor, 64, "draglinkcursor_64.png", 0, 0 } }; - const int cursorSize = GetSystemMetrics(SM_CXCURSOR); + const QSize cursorSize = systemCursorSize(screen); const QWindowsCustomPngCursor *sEnd = pngCursors + sizeof(pngCursors) / sizeof(pngCursors[0]); const QWindowsCustomPngCursor *bestFit = 0; int sizeDelta = INT_MAX; for (const QWindowsCustomPngCursor *s = pngCursors; s < sEnd; ++s) { if (s->shape != cursorShape) continue; - const int currentSizeDelta = qMax(s->size, cursorSize) - qMin(s->size, cursorSize); + const int currentSizeDelta = qMax(s->size, cursorSize.width()) - qMin(s->size, cursorSize.width()); if (currentSizeDelta < sizeDelta) { bestFit = s; if (currentSizeDelta == 0) @@ -492,7 +526,7 @@ struct QWindowsStandardCursorMapping { LPCWSTR resource; }; -HCURSOR QWindowsCursor::createCursorFromShape(Qt::CursorShape cursorShape) +HCURSOR QWindowsCursor::createCursorFromShape(Qt::CursorShape cursorShape, const QPlatformScreen *screen) { Q_ASSERT(cursorShape != Qt::BitmapCursor); @@ -515,7 +549,7 @@ HCURSOR QWindowsCursor::createCursorFromShape(Qt::CursorShape cursorShape) switch (cursorShape) { case Qt::BlankCursor: { - QImage blank = QImage(systemCursorSize(), QImage::Format_Mono); + QImage blank = QImage(systemCursorSize(screen), QImage::Format_Mono); blank.fill(0); // ignore color table return createBitmapCursor(blank, blank); } @@ -526,7 +560,7 @@ HCURSOR QWindowsCursor::createCursorFromShape(Qt::CursorShape cursorShape) case Qt::DragCopyCursor: case Qt::DragMoveCursor: case Qt::DragLinkCursor: - return QWindowsCursor::createPixmapCursor(customCursor(cursorShape)); + return QWindowsCursor::createPixmapCursor(customCursor(cursorShape, screen)); default: break; } @@ -555,7 +589,7 @@ CursorHandlePtr QWindowsCursor::standardWindowCursor(Qt::CursorShape shape) { StandardCursorCache::Iterator it = m_standardCursorCache.find(shape); if (it == m_standardCursorCache.end()) { - if (const HCURSOR hc = QWindowsCursor::createCursorFromShape(shape)) + if (const HCURSOR hc = QWindowsCursor::createCursorFromShape(shape, m_screen)) it = m_standardCursorCache.insert(shape, CursorHandlePtr(new CursorHandle(hc))); } return it != m_standardCursorCache.end() ? it.value() : CursorHandlePtr(new CursorHandle); @@ -582,17 +616,21 @@ CursorHandlePtr QWindowsCursor::pixmapWindowCursor(const QCursor &c) ++it; } } + const qreal scaleFactor = QHighDpiScaling::factor(m_screen); const QPixmap pixmap = c.pixmap(); const HCURSOR hc = pixmap.isNull() - ? createBitmapCursor(c) : QWindowsCursor::createPixmapCursor(pixmap, c.hotSpot()); + ? createBitmapCursor(c, scaleFactor) + : QWindowsCursor::createPixmapCursor(pixmap, c.hotSpot(), scaleFactor); it = m_pixmapCursorCache.insert(cacheKey, CursorHandlePtr(new CursorHandle(hc))); } return it.value(); } -QWindowsCursor::QWindowsCursor() +QWindowsCursor::QWindowsCursor(const QPlatformScreen *screen) + : m_screen(screen) { - initResources(); + static const bool dummy = initResources(); + Q_UNUSED(dummy) } /*! @@ -654,6 +692,94 @@ void QWindowsCursor::setPos(const QPoint &pos) SetCursorPos(pos.x() , pos.y()); } +QPixmap QWindowsCursor::dragDefaultCursor(Qt::DropAction action) const +{ + switch (action) { + case Qt::CopyAction: + if (m_copyDragCursor.isNull()) + m_copyDragCursor = QWindowsCursor::customCursor(Qt::DragCopyCursor, m_screen).pixmap; + return m_copyDragCursor; + case Qt::TargetMoveAction: + case Qt::MoveAction: + if (m_moveDragCursor.isNull()) + m_moveDragCursor = QWindowsCursor::customCursor(Qt::DragMoveCursor, m_screen).pixmap; + return m_moveDragCursor; + case Qt::LinkAction: + if (m_linkDragCursor.isNull()) + m_linkDragCursor = QWindowsCursor::customCursor(Qt::DragLinkCursor, m_screen).pixmap; + return m_linkDragCursor; + default: + break; + } + + static const char * const ignoreDragCursorXpmC[] = { + "24 30 3 1", + ". c None", + "a c #000000", + "X c #FFFFFF", + "aa......................", + "aXa.....................", + "aXXa....................", + "aXXXa...................", + "aXXXXa..................", + "aXXXXXa.................", + "aXXXXXXa................", + "aXXXXXXXa...............", + "aXXXXXXXXa..............", + "aXXXXXXXXXa.............", + "aXXXXXXaaaa.............", + "aXXXaXXa................", + "aXXaaXXa................", + "aXa..aXXa...............", + "aa...aXXa...............", + "a.....aXXa..............", + "......aXXa.....XXXX.....", + ".......aXXa..XXaaaaXX...", + ".......aXXa.XaaaaaaaaX..", + "........aa.XaaaXXXXaaaX.", + "...........XaaaaX..XaaX.", + "..........XaaXaaaX..XaaX", + "..........XaaXXaaaX.XaaX", + "..........XaaX.XaaaXXaaX", + "..........XaaX..XaaaXaaX", + "...........XaaX..XaaaaX.", + "...........XaaaXXXXaaaX.", + "............XaaaaaaaaX..", + ".............XXaaaaXX...", + "...............XXXX....."}; + + if (m_ignoreDragCursor.isNull()) { +#if !defined (Q_OS_WINCE) + HCURSOR cursor = LoadCursor(NULL, IDC_NO); + ICONINFO iconInfo = {0, 0, 0, 0, 0}; + GetIconInfo(cursor, &iconInfo); + BITMAP bmColor = {0, 0, 0, 0, 0, 0, 0}; + + if (iconInfo.hbmColor + && GetObject(iconInfo.hbmColor, sizeof(BITMAP), &bmColor) + && bmColor.bmWidth == bmColor.bmWidthBytes / 4) { + const int colorBitsLength = bmColor.bmHeight * bmColor.bmWidthBytes; + uchar *colorBits = new uchar[colorBitsLength]; + GetBitmapBits(iconInfo.hbmColor, colorBitsLength, colorBits); + const QImage colorImage(colorBits, bmColor.bmWidth, bmColor.bmHeight, + bmColor.bmWidthBytes, QImage::Format_ARGB32); + + m_ignoreDragCursor = QPixmap::fromImage(colorImage); + delete [] colorBits; + } else { + m_ignoreDragCursor = QPixmap(ignoreDragCursorXpmC); + } + + DeleteObject(iconInfo.hbmMask); + DeleteObject(iconInfo.hbmColor); + DestroyCursor(cursor); +#else // !Q_OS_WINCE + m_ignoreDragCursor = QPixmap(ignoreDragCursorXpmC); +#endif // !Q_OS_WINCE + } + return m_ignoreDragCursor; +} + /*! \class QWindowsWindowCursor \brief Per-Window cursor. Contains a QCursor and manages its associated system |