diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowscursor.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowscursor.cpp | 120 |
1 files changed, 59 insertions, 61 deletions
diff --git a/src/plugins/platforms/windows/qwindowscursor.cpp b/src/plugins/platforms/windows/qwindowscursor.cpp index 17e8cffb76..b416886120 100644 --- a/src/plugins/platforms/windows/qwindowscursor.cpp +++ b/src/plugins/platforms/windows/qwindowscursor.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QT_NO_CURSOR #include "qwindowscursor.h" @@ -50,6 +14,8 @@ #include <QtGui/qscreen.h> #include <QtGui/private/qguiapplication_p.h> // getPixmapCursor() #include <QtGui/private/qhighdpiscaling_p.h> +#include <QtGui/private/qpixmap_win_p.h> +#include <QtCore/private/qwinregistry_p.h> #include <QtCore/qdebug.h> #include <QtCore/qscopedpointer.h> @@ -64,25 +30,23 @@ static bool initResources() QT_BEGIN_NAMESPACE -Q_GUI_EXPORT HBITMAP qt_pixmapToWinHBITMAP(const QPixmap &p, int hbitmapFormat = 0); -Q_GUI_EXPORT HBITMAP qt_createIconMask(const QBitmap &bitmap); +using namespace Qt::Literals::StringLiterals; /*! \class QWindowsCursorCacheKey \brief Cache key for storing values in a QHash with a QCursor as key. \internal - \ingroup qt-lighthouse-win */ QWindowsPixmapCursorCacheKey::QWindowsPixmapCursorCacheKey(const QCursor &c) : bitmapCacheKey(c.pixmap().cacheKey()), maskCacheKey(0) { if (!bitmapCacheKey) { - Q_ASSERT(c.bitmap()); - Q_ASSERT(c.mask()); - bitmapCacheKey = c.bitmap()->cacheKey(); - maskCacheKey = c.mask()->cacheKey(); + Q_ASSERT(!c.bitmap().isNull()); + Q_ASSERT(!c.mask().isNull()); + bitmapCacheKey = c.bitmap().cacheKey(); + maskCacheKey = c.mask().cacheKey(); } } @@ -96,14 +60,13 @@ QWindowsPixmapCursorCacheKey::QWindowsPixmapCursorCacheKey(const QCursor &c) as do the Window manager frames (resize/move handles). \internal - \ingroup qt-lighthouse-win \sa QWindowsWindowCursor */ HCURSOR QWindowsCursor::createPixmapCursor(QPixmap pixmap, const QPoint &hotSpot, qreal scaleFactor) { HCURSOR cur = nullptr; - const qreal pixmapScaleFactor = scaleFactor / pixmap.devicePixelRatioF(); + const qreal pixmapScaleFactor = scaleFactor / pixmap.devicePixelRatio(); if (!qFuzzyCompare(pixmapScaleFactor, 1)) { pixmap = pixmap.scaled((pixmapScaleFactor * QSizeF(pixmap.size())).toSize(), Qt::KeepAspectRatio, Qt::SmoothTransformation); @@ -142,14 +105,16 @@ static HCURSOR createBitmapCursor(const QImage &bbits, const QImage &mbits, hotSpot.setX(width / 2); if (hotSpot.y() < 0) hotSpot.setY(height / 2); - const int n = qMax(1, width / 8); - QScopedArrayPointer<uchar> xBits(new uchar[height * n]); - QScopedArrayPointer<uchar> xMask(new uchar[height * n]); + // a ddb is word aligned, QImage depends on bow it was created + const auto bplDdb = qMax(1, ((width + 15) >> 4) << 1); + const auto bplImg = int(bbits.bytesPerLine()); + QScopedArrayPointer<uchar> xBits(new uchar[height * bplDdb]); + QScopedArrayPointer<uchar> xMask(new uchar[height * bplDdb]); int x = 0; for (int i = 0; i < height; ++i) { const uchar *bits = bbits.constScanLine(i); const uchar *mask = mbits.constScanLine(i); - for (int j = 0; j < n; ++j) { + for (int j = 0; j < bplImg && j < bplDdb; ++j) { uchar b = bits[j]; uchar m = mask[j]; if (invb) @@ -160,6 +125,11 @@ static HCURSOR createBitmapCursor(const QImage &bbits, const QImage &mbits, xMask[x] = b ^ m; ++x; } + for (int i = bplImg; i < bplDdb; ++i) { + xBits[x] = 0; + xMask[x] = 0; + ++x; + } } return CreateCursor(GetModuleHandle(nullptr), hotSpot.x(), hotSpot.y(), width, height, xBits.data(), xMask.data()); @@ -168,17 +138,17 @@ 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, qreal scaleFactor = 1) { - Q_ASSERT(cursor.shape() == Qt::BitmapCursor && cursor.bitmap()); - QImage bbits = cursor.bitmap()->toImage(); - QImage mbits = cursor.mask()->toImage(); - scaleFactor /= bbits.devicePixelRatioF(); + Q_ASSERT(cursor.shape() == Qt::BitmapCursor && !cursor.bitmap().isNull()); + QImage bbits = cursor.bitmap().toImage(); + QImage mbits = cursor.mask().toImage(); + scaleFactor /= bbits.devicePixelRatio(); 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); + bbits = std::move(bbits).convertToFormat(QImage::Format_Mono); + mbits = std::move(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); @@ -475,8 +445,8 @@ QWindowsCursor::PixmapCursor QWindowsCursor::customCursor(Qt::CursorShape cursor if (!bestFit) return PixmapCursor(); - const QPixmap rawImage(QStringLiteral(":/qt-project.org/windows/cursors/images/") + - QString::fromLatin1(bestFit->fileName)); + const QPixmap rawImage(":/qt-project.org/windows/cursors/images/"_L1 + + QLatin1StringView(bestFit->fileName)); return PixmapCursor(rawImage, QPoint(bestFit->hotSpotX, bestFit->hotSpotY)); } #endif // !QT_NO_IMAGEFORMAT_PNG @@ -589,7 +559,7 @@ QWindowsCursor::QWindowsCursor(const QPlatformScreen *screen) : m_screen(screen) { static const bool dummy = initResources(); - Q_UNUSED(dummy) + Q_UNUSED(dummy); } inline CursorHandlePtr QWindowsCursor::cursorHandle(const QCursor &cursor) @@ -653,6 +623,11 @@ void QWindowsCursor::clearOverrideCursor() SetCursor(m_overriddenCursor); m_overriddenCursor = m_overrideCursor = nullptr; } + auto &windows = QWindowsContext::instance()->windows(); + for (auto it = windows.cbegin(), end = windows.cend(); it != end; ++it) { + if (it.value()->screen() == m_screen) + it.value()->setFlag(QWindowsWindow::RestoreOverrideCursor); + } } QPoint QWindowsCursor::mousePosition() @@ -686,6 +661,30 @@ void QWindowsCursor::setPos(const QPoint &pos) SetCursorPos(pos.x() , pos.y()); } +/* + The standard size is 32x32, even though the cursor is actually just + 16 pixels large. If a large cursor is set in the accessibility settings, + then the cursor increases with 8 pixels for each step. +*/ +QSize QWindowsCursor::size() const +{ + const QPair<DWORD,bool> cursorSizeSetting = + QWinRegistryKey(HKEY_CURRENT_USER, LR"(Control Panel\Cursors)") + .dwordValue(L"CursorBaseSize"); + const int baseSize = screenCursorSize(m_screen).width() / 2; + if (!cursorSizeSetting.second) + return QSize(baseSize / 2, baseSize / 2); + + // The registry values are dpi-independent, so we need to scale the result. + int cursorSizeValue = cursorSizeSetting.first * m_screen->logicalDpi().first + / m_screen->logicalBaseDpi().first; + + // map from registry value 32-256 to 0-14, and from there to pixels + cursorSizeValue = (cursorSizeValue - 2 * baseSize) / baseSize; + const int cursorSize = baseSize + cursorSizeValue * (baseSize / 2); + return QSize(cursorSize, cursorSize); +} + QPixmap QWindowsCursor::dragDefaultCursor(Qt::DropAction action) const { switch (action) { @@ -791,7 +790,6 @@ HCURSOR QWindowsCursor::hCursor(const QCursor &c) const cursor handle resource. \internal - \ingroup qt-lighthouse-win \sa QWindowsCursor */ |