diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowscursor.cpp')
-rw-r--r-- | src/plugins/platforms/windows/qwindowscursor.cpp | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowscursor.cpp b/src/plugins/platforms/windows/qwindowscursor.cpp new file mode 100644 index 0000000000..1ad2079962 --- /dev/null +++ b/src/plugins/platforms/windows/qwindowscursor.cpp @@ -0,0 +1,451 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwindowscursor.h" +#include "qwindowscontext.h" +#include "qwindowswindow.h" +#include "qwindowsscreen.h" +#include "pixmaputils.h" + +#include <QtGui/QPixmap> +#include <QtGui/QImage> +#include <QtGui/QBitmap> +#include <QtGui/QGuiApplication> +#include <QtGui/QScreen> +#include <QtGui/private/qguiapplication_p.h> // getPixmapCursor() + +#include <QtCore/QDebug> +#include <QtCore/QScopedArrayPointer> + +QT_BEGIN_NAMESPACE + +/*! + \class QWindowsCursor + \brief Platform cursor implementation + + Note that whereas under X11, a cursor can be set as a property of + a window, there is only a global SetCursor() function on Windows. + Each Window sets on the global cursor on receiving a Enter-event + as do the Window manager frames (resize/move handles). + + \ingroup qt-lighthouse-win + \sa QWindowsWindowCursor +*/ + +QWindowsCursor::QWindowsCursor(QPlatformScreen *s) : + QPlatformCursor(s) +{ +} + +HCURSOR QWindowsCursor::createPixmapCursor(const QPixmap &pixmap, int hotX, int hotY) +{ + HCURSOR cur = 0; + QBitmap mask = pixmap.mask(); + if (mask.isNull()) { + mask = QBitmap(pixmap.size()); + mask.fill(Qt::color1); + } + + HBITMAP ic = qPixmapToWinHBITMAP(pixmap, HBitmapAlpha); + const HBITMAP im = createIconMask(mask); + + ICONINFO ii; + ii.fIcon = 0; + ii.xHotspot = hotX; + ii.yHotspot = hotY; + ii.hbmMask = im; + ii.hbmColor = ic; + + cur = CreateIconIndirect(&ii); + + DeleteObject(ic); + DeleteObject(im); + return cur; +} + +HCURSOR QWindowsCursor::createSystemCursor(const QCursor &c) +{ + int hx = c.hotSpot().x(); + int hy = c.hotSpot().y(); + const Qt::CursorShape cshape = c.shape(); + if (cshape == Qt::BitmapCursor) { + const QPixmap pixmap = c.pixmap(); + if (!pixmap.isNull()) + if (const HCURSOR hc = createPixmapCursor(pixmap, hx, hy)) + return hc; + } + + // Non-standard Windows cursors are created from bitmaps + + static const uchar vsplit_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x80, 0x00, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xe0, 0x03, 0x00, + 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, + 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xff, 0x7f, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x7f, 0x00, + 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, + 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x00, + 0x00, 0xc0, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + static const uchar vsplitm_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, + 0x00, 0xc0, 0x01, 0x00, 0x00, 0xe0, 0x03, 0x00, 0x00, 0xf0, 0x07, 0x00, + 0x00, 0xf8, 0x0f, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0, 0x01, 0x00, + 0x00, 0xc0, 0x01, 0x00, 0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00, + 0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00, + 0x80, 0xff, 0xff, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0, 0x01, 0x00, + 0x00, 0xc0, 0x01, 0x00, 0x00, 0xf8, 0x0f, 0x00, 0x00, 0xf0, 0x07, 0x00, + 0x00, 0xe0, 0x03, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + static const uchar hsplit_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, + 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, + 0x00, 0x41, 0x82, 0x00, 0x80, 0x41, 0x82, 0x01, 0xc0, 0x7f, 0xfe, 0x03, + 0x80, 0x41, 0x82, 0x01, 0x00, 0x41, 0x82, 0x00, 0x00, 0x40, 0x02, 0x00, + 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, + 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + static const uchar hsplitm_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, + 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe2, 0x47, 0x00, 0x00, 0xe3, 0xc7, 0x00, + 0x80, 0xe3, 0xc7, 0x01, 0xc0, 0xff, 0xff, 0x03, 0xe0, 0xff, 0xff, 0x07, + 0xc0, 0xff, 0xff, 0x03, 0x80, 0xe3, 0xc7, 0x01, 0x00, 0xe3, 0xc7, 0x00, + 0x00, 0xe2, 0x47, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, + 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + static const uchar phand_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x80, 0x04, 0x00, 0x00, + 0x80, 0x04, 0x00, 0x00, 0x80, 0x04, 0x00, 0x00, 0x80, 0x04, 0x00, 0x00, + 0x80, 0x1c, 0x00, 0x00, 0x80, 0xe4, 0x00, 0x00, 0x80, 0x24, 0x03, 0x00, + 0x80, 0x24, 0x05, 0x00, 0xb8, 0x24, 0x09, 0x00, 0xc8, 0x00, 0x09, 0x00, + 0x88, 0x00, 0x08, 0x00, 0x90, 0x00, 0x08, 0x00, 0xa0, 0x00, 0x08, 0x00, + 0x20, 0x00, 0x08, 0x00, 0x40, 0x00, 0x08, 0x00, 0x40, 0x00, 0x04, 0x00, + 0x80, 0x00, 0x04, 0x00, 0x80, 0x00, 0x04, 0x00, 0x00, 0x01, 0x02, 0x00, + 0x00, 0x01, 0x02, 0x00, 0x00, 0xff, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + + static const uchar phandm_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x80, 0x07, 0x00, 0x00, + 0x80, 0x07, 0x00, 0x00, 0x80, 0x07, 0x00, 0x00, 0x80, 0x07, 0x00, 0x00, + 0x80, 0x1f, 0x00, 0x00, 0x80, 0xff, 0x00, 0x00, 0x80, 0xff, 0x03, 0x00, + 0x80, 0xff, 0x07, 0x00, 0xb8, 0xff, 0x0f, 0x00, 0xf8, 0xff, 0x0f, 0x00, + 0xf8, 0xff, 0x0f, 0x00, 0xf0, 0xff, 0x0f, 0x00, 0xe0, 0xff, 0x0f, 0x00, + 0xe0, 0xff, 0x0f, 0x00, 0xc0, 0xff, 0x0f, 0x00, 0xc0, 0xff, 0x07, 0x00, + 0x80, 0xff, 0x07, 0x00, 0x80, 0xff, 0x07, 0x00, 0x00, 0xff, 0x03, 0x00, + 0x00, 0xff, 0x03, 0x00, 0x00, 0xff, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + + static const uchar openhand_bits[] = { + 0x80,0x01,0x58,0x0e,0x64,0x12,0x64,0x52,0x48,0xb2,0x48,0x92, + 0x16,0x90,0x19,0x80,0x11,0x40,0x02,0x40,0x04,0x40,0x04,0x20, + 0x08,0x20,0x10,0x10,0x20,0x10,0x00,0x00}; + static const uchar openhandm_bits[] = { + 0x80,0x01,0xd8,0x0f,0xfc,0x1f,0xfc,0x5f,0xf8,0xff,0xf8,0xff, + 0xf6,0xff,0xff,0xff,0xff,0x7f,0xfe,0x7f,0xfc,0x7f,0xfc,0x3f, + 0xf8,0x3f,0xf0,0x1f,0xe0,0x1f,0x00,0x00}; + static const uchar closedhand_bits[] = { + 0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x0d,0x48,0x32,0x08,0x50, + 0x10,0x40,0x18,0x40,0x04,0x40,0x04,0x20,0x08,0x20,0x10,0x10, + 0x20,0x10,0x20,0x10,0x00,0x00,0x00,0x00}; + static const uchar closedhandm_bits[] = { + 0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x0d,0xf8,0x3f,0xf8,0x7f, + 0xf0,0x7f,0xf8,0x7f,0xfc,0x7f,0xfc,0x3f,0xf8,0x3f,0xf0,0x1f, + 0xe0,0x1f,0xe0,0x1f,0x00,0x00,0x00,0x00}; + + static const uchar * const cursor_bits32[] = { + vsplit_bits, vsplitm_bits, hsplit_bits, hsplitm_bits, + phand_bits, phandm_bits + }; + + wchar_t *sh = 0; + switch (c.shape()) { // map to windows cursor + case Qt::ArrowCursor: + sh = IDC_ARROW; + break; + case Qt::UpArrowCursor: + sh = IDC_UPARROW; + break; + case Qt::CrossCursor: + sh = IDC_CROSS; + break; + case Qt::WaitCursor: + sh = IDC_WAIT; + break; + case Qt::IBeamCursor: + sh = IDC_IBEAM; + break; + case Qt::SizeVerCursor: + sh = IDC_SIZENS; + break; + case Qt::SizeHorCursor: + sh = IDC_SIZEWE; + break; + case Qt::SizeBDiagCursor: + sh = IDC_SIZENESW; + break; + case Qt::SizeFDiagCursor: + sh = IDC_SIZENWSE; + break; + case Qt::SizeAllCursor: + sh = IDC_SIZEALL; + break; + case Qt::ForbiddenCursor: + sh = IDC_NO; + break; + case Qt::WhatsThisCursor: + sh = IDC_HELP; + break; + case Qt::BusyCursor: + sh = IDC_APPSTARTING; + break; + case Qt::PointingHandCursor: + sh = IDC_HAND; + break; + case Qt::BlankCursor: + case Qt::SplitVCursor: + case Qt::SplitHCursor: + case Qt::OpenHandCursor: + case Qt::ClosedHandCursor: + case Qt::BitmapCursor: { + QImage bbits, mbits; + bool invb, invm; + if (cshape == Qt::BlankCursor) { + bbits = QImage(32, 32, QImage::Format_Mono); + bbits.fill(0); // ignore color table + mbits = bbits.copy(); + hx = hy = 16; + invb = invm = false; + } else if (cshape == Qt::OpenHandCursor || cshape == Qt::ClosedHandCursor) { + bool open = cshape == Qt::OpenHandCursor; + QBitmap cb = QBitmap::fromData(QSize(16, 16), open ? openhand_bits : closedhand_bits); + QBitmap cm = QBitmap::fromData(QSize(16, 16), open ? openhandm_bits : closedhandm_bits); + bbits = cb.toImage().convertToFormat(QImage::Format_Mono); + mbits = cm.toImage().convertToFormat(QImage::Format_Mono); + hx = hy = 8; + invb = invm = false; + } else if (cshape != Qt::BitmapCursor) { + int i = cshape - Qt::SplitVCursor; + QBitmap cb = QBitmap::fromData(QSize(32, 32), cursor_bits32[i * 2]); + QBitmap cm = QBitmap::fromData(QSize(32, 32), cursor_bits32[i * 2 + 1]); + bbits = cb.toImage().convertToFormat(QImage::Format_Mono); + mbits = cm.toImage().convertToFormat(QImage::Format_Mono); + if (cshape == Qt::PointingHandCursor) { + hx = 7; + hy = 0; + } else + hx = hy = 16; + invb = invm = false; + } else { + bbits = c.bitmap()->toImage().convertToFormat(QImage::Format_Mono); + mbits = c.mask()->toImage().convertToFormat(QImage::Format_Mono); + invb = bbits.colorCount() > 1 && qGray(bbits.color(0)) < qGray(bbits.color(1)); + invm = mbits.colorCount() > 1 && qGray(mbits.color(0)) < qGray(mbits.color(1)); + } + const int n = qMax(1, bbits.width() / 8); + const int h = bbits.height(); + QScopedArrayPointer<uchar> xBits(new uchar[h * n]); + QScopedArrayPointer<uchar> xMask(new uchar[h * n]); + int x = 0; + for (int i = 0; i < h; ++i) { + uchar *bits = bbits.scanLine(i); + uchar *mask = mbits.scanLine(i); + for (int j = 0; j < n; ++j) { + uchar b = bits[j]; + uchar m = mask[j]; + if (invb) + b ^= 0xff; + if (invm) + m ^= 0xff; + xBits[x] = ~m; + xMask[x] = b ^ m; + ++x; + } + } + return CreateCursor(GetModuleHandle(0), hx, hy, bbits.width(), bbits.height(), + xBits.data(), xMask.data()); + } + case Qt::DragCopyCursor: + case Qt::DragMoveCursor: + case Qt::DragLinkCursor: { + const QPixmap pixmap = QGuiApplicationPrivate::instance()->getPixmapCursor(cshape); + return createPixmapCursor(pixmap, hx, hy); + } + default: + qWarning("%s: Invalid cursor shape %d", __FUNCTION__, cshape); + return 0; + } + return (HCURSOR)LoadImage(0, sh, IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE | LR_SHARED); +} + +/*! + \brief Return cached standard cursor resources or create new ones. +*/ + +QWindowsWindowCursor QWindowsCursor::standardWindowCursor(Qt::CursorShape shape) +{ + StandardCursorCache::iterator it = m_standardCursorCache.find(shape); + if (it == m_standardCursorCache.end()) + it = m_standardCursorCache.insert(shape, QWindowsWindowCursor(QCursor(shape))); + return it.value(); +} + +/*! + \brief Set a cursor on a window. + + This is called frequently as the mouse moves over widgets in the window + (QLineEdits, etc). +*/ + +void QWindowsCursor::changeCursor(QCursor *cursorIn, QWindow *window) +{ + + if (QWindowsContext::verboseWindows) + qDebug() << __FUNCTION__ << cursorIn << window; + if (!cursorIn || !window) + return; + const QWindowsWindowCursor wcursor = + cursorIn->shape() == Qt::BitmapCursor ? + QWindowsWindowCursor(*cursorIn) : standardWindowCursor(cursorIn->shape()); + if (wcursor.handle()) { + QWindowsWindow::baseWindowOf(window)->setCursor(wcursor); + } else { + qWarning("%s: Unable to obtain system cursor for %d", + __FUNCTION__, cursorIn->shape()); + } +} + +QPoint QWindowsCursor::mousePosition() +{ + POINT p; + GetCursorPos(&p); + if (QWindowsContext::verboseWindows) + qDebug("%s %ld,%ld", __FUNCTION__, p.x, p.y); + return QPoint(p.x, p.y); +} + +void QWindowsCursor::setPos(const QPoint &pos) +{ + if (QWindowsContext::verboseWindows) + qDebug("%s %d,%d", __FUNCTION__, pos.x(), pos.y()); + SetCursorPos(pos.x(), pos.y()); +} + +/*! + \class QWindowsWindowCursor + \brief Per-Window cursor. Contains a QCursor and manages its associated system + cursor handle resource. + + Based on QSharedDataPointer, so that it can be passed around and + used as a property of QWindowsBaseWindow. + + \ingroup qt-lighthouse-win + \sa QWindowsCursor +*/ + +class QWindowsWindowCursorData : public QSharedData +{ +public: + explicit QWindowsWindowCursorData(const QCursor &c); + ~QWindowsWindowCursorData(); + + const QCursor m_cursor; + const HCURSOR m_handle; +}; + +QWindowsWindowCursorData::QWindowsWindowCursorData(const QCursor &c) : + m_cursor(c), + m_handle(QWindowsCursor::createSystemCursor(c)) +{ +} + +QWindowsWindowCursorData::~QWindowsWindowCursorData() +{ + DestroyCursor(m_handle); +} + +QWindowsWindowCursor::QWindowsWindowCursor(const QCursor &c) : + m_data(new QWindowsWindowCursorData(c)) +{ +} + +QWindowsWindowCursor::~QWindowsWindowCursor() +{ +} + +QWindowsWindowCursor::QWindowsWindowCursor(const QWindowsWindowCursor &rhs) : + m_data(rhs.m_data) +{ +} + +QWindowsWindowCursor & QWindowsWindowCursor::operator =(const QWindowsWindowCursor &rhs) +{ + if (this != &rhs) + m_data.operator =(rhs.m_data); + return *this; +} + +QCursor QWindowsWindowCursor::cursor() const +{ + return m_data->m_cursor; +} + +HCURSOR QWindowsWindowCursor::handle() const +{ + return m_data->m_handle; +} + +QT_END_NAMESPACE |