diff options
Diffstat (limited to 'src/imports/nativestyle/items/qquickstyleitem.cpp')
| -rw-r--r-- | src/imports/nativestyle/items/qquickstyleitem.cpp | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/src/imports/nativestyle/items/qquickstyleitem.cpp b/src/imports/nativestyle/items/qquickstyleitem.cpp deleted file mode 100644 index e59439ab..00000000 --- a/src/imports/nativestyle/items/qquickstyleitem.cpp +++ /dev/null @@ -1,479 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2020 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL3$ -** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://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.LGPLv3 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.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 later 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 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickstyleitem.h" - -#include <QtCore/qscopedvaluerollback.h> - -#include <QtQuick/qsgninepatchnode.h> -#include <QtQuick/private/qquickwindow_p.h> -#include <QtQuick/qquickwindow.h> - -#include <QtQuickTemplates2/private/qquickcontrol_p.h> -#include <QtQuickTemplates2/private/qquickbutton_p.h> - -#include <QtQml/qqml.h> - -#include "qquickstyleitembutton.h" -#include "qquickstylehelper_p.h" - -QT_BEGIN_NAMESPACE - -QDebug operator<<(QDebug debug, const QQuickStyleMargins &padding) -{ - QDebugStateSaver saver(debug); - debug.nospace(); - debug << "StyleMargins("; - debug << padding.left() << ", "; - debug << padding.top() << ", "; - debug << padding.right() << ", "; - debug << padding.bottom(); - debug << ')'; - return debug; -} - -QDebug operator<<(QDebug debug, const StyleItemGeometry &cg) -{ - QDebugStateSaver saver(debug); - debug.nospace(); - debug << "StyleItemGeometry("; - debug << "implicitSize:" << cg.implicitSize << ", "; - debug << "contentRect:" << cg.contentRect << ", "; - debug << "layoutRect:" << cg.layoutRect << ", "; - debug << "minimumSize:" << cg.minimumSize << ", "; - debug << "9patchMargins:" << cg.ninePatchMargins; - debug << ')'; - return debug; -} - -QQuickStyleItem::QQuickStyleItem() -{ - setFlag(QQuickItem::ItemHasContents); -} - -QQuickStyleItem::~QQuickStyleItem() -{ -} - -void QQuickStyleItem::connectToControl() -{ - connect(m_control, &QQuickStyleItem::enabledChanged, this, &QQuickStyleItem::markImageDirty); - connect(m_control, &QQuickItem::activeFocusChanged, this, &QQuickStyleItem::markImageDirty); - connect(m_control, &QQuickStyleItem::windowChanged, this, &QQuickStyleItem::markImageDirty); - connect(window(), &QQuickWindow::activeChanged, this, &QQuickStyleItem::markImageDirty); -} - -void QQuickStyleItem::markImageDirty() -{ - m_dirty.setFlag(DirtyFlag::Image); - polish(); -} - -void QQuickStyleItem::markGeometryDirty() -{ - m_dirty.setFlag(DirtyFlag::Geometry); - polish(); -} - -QSGNode *QQuickStyleItem::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *) -{ - QSGNinePatchNode *node = static_cast<QSGNinePatchNode *>(oldNode); - if (!node) - node = window()->createNinePatchNode(); - - auto texture = window()->createTextureFromImage(m_paintedImage, QQuickWindow::TextureCanUseAtlas); - - QRectF bounds = boundingRect(); - const qreal scale = window()->devicePixelRatio(); - const QSizeF ninePatchImageSize = m_paintedImage.rect().size() / scale; -#ifdef QT_DEBUG - if (m_debugFlags.testFlag(Unscaled)) { - bounds = QRectF(QPointF(), ninePatchImageSize); - qqc2Debug() << "Setting paint node bounds to size of image:" << bounds; - } -#endif - - QMargins padding = m_useNinePatchImage ? m_styleItemGeometry.ninePatchMargins : QMargins(0, 0, 0, 0); - if (padding.right() == -1) { - // Special case: a right padding of -1 means that - // the image should not scale horizontally. - bounds.setWidth(ninePatchImageSize.width()); - padding.setLeft(0); - padding.setRight(0); - } else if (boundingRect().width() < imageSize().width()) { - // If the item size is smaller that the image, using nine-patch scaling - // ends up wrapping it. In that case we scale the whole image instead. - padding.setLeft(0); - padding.setRight(0); - } - if (padding.bottom() == -1) { - bounds.setHeight(ninePatchImageSize.height()); - padding.setTop(0); - padding.setBottom(0); - } else if (boundingRect().height() < imageSize().height()) { - padding.setTop(0); - padding.setBottom(0); - } - - node->setBounds(bounds); - node->setTexture(texture); - node->setDevicePixelRatio(window()->devicePixelRatio()); - node->setPadding(padding.left(), padding.top(), padding.right(), padding.bottom()); - node->update(); - - return node; -} - -QStyle::State QQuickStyleItem::controlSize(QQuickItem *item) -{ - // TODO: add proper API for small and mini - if (item->metaObject()->indexOfProperty("qqc2_style_small") != -1) - return QStyle::State_Small; - if (item->metaObject()->indexOfProperty("qqc2_style_mini") != -1) - return QStyle::State_Mini; - return QStyle::State_None; -} - -void QQuickStyleItem::initStyleOptionBase(QStyleOption &styleOption) -{ - Q_ASSERT(m_control); - - styleOption.control = const_cast<QQuickItem *>(control<QQuickItem>()); - styleOption.window = window(); - styleOption.palette = QQuickItemPrivate::get(m_control)->palette()->toQPalette(); - styleOption.rect = QRect(QPoint(0, 0), imageSize()); - - styleOption.state = QStyle::State_None; - styleOption.state |= controlSize(styleOption.control); - - // Note: not all controls inherit from QQuickControl (e.g QQuickTextField) - if (const auto quickControl = dynamic_cast<QQuickControl *>(m_control.data())) - styleOption.direction = quickControl->isMirrored() ? Qt::RightToLeft : Qt::LeftToRight; - - if (window()) { - if (styleOption.window->isActive()) - styleOption.state |= QStyle::State_Active; - if (m_control->isEnabled()) - styleOption.state |= QStyle::State_Enabled; - if (m_control->hasActiveFocus()) - styleOption.state |= QStyle::State_HasFocus; - if (m_control->isUnderMouse()) - styleOption.state |= QStyle::State_MouseOver; - // Should this depend on the focusReason (e.g. only TabFocus) ? - styleOption.state |= QStyle::State_KeyboardFocusChange; - } - - if (m_overrideState != None) { - // In Button.qml we fade between two versions of - // the handle, depending on if it's hovered or not - if (m_overrideState & AlwaysHovered) - styleOption.state |= QStyle::State_MouseOver; - else if (m_overrideState & NeverHovered) - styleOption.state &= ~QStyle::State_MouseOver; - } - - qqc2Debug() << styleOption; -} - -void QQuickStyleItem::geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) -{ - QQuickItem::geometryChange(newGeometry, oldGeometry); - - // Ensure that we only schedule a new geometry update - // and polish if this geometry change was caused by - // something else than us already updating geometry. - if (!m_polishing) - markGeometryDirty(); -} - -void QQuickStyleItem::updateGeometry() -{ - qqc2DebugHeading("GEOMETRY"); - m_dirty.setFlag(DirtyFlag::Geometry, false); - - const QQuickStyleMargins oldContentPadding = contentPadding(); - const QQuickStyleMargins oldLayoutMargins = layoutMargins(); - const QSize oldMinimumSize = minimumSize(); - - m_styleItemGeometry = calculateGeometry(); - -#ifdef QT_DEBUG - if (m_styleItemGeometry.minimumSize.isEmpty()) - qmlWarning(this) << "minimumSize is empty!"; -#endif - - if (m_styleItemGeometry.implicitSize.isEmpty()) { - // If the item has no contents (or its size is - // empty), we just use the minimum size as implicit size. - m_styleItemGeometry.implicitSize = m_styleItemGeometry.minimumSize; - qqc2Debug() << "implicitSize is empty, using minimumSize instead"; - } - - if (contentPadding() != oldContentPadding) - emit contentPaddingChanged(); - if (layoutMargins() != oldLayoutMargins) - emit layoutMarginsChanged(); - if (minimumSize() != oldMinimumSize) - emit minimumSizeChanged(); - - setImplicitSize(m_styleItemGeometry.implicitSize.width(), m_styleItemGeometry.implicitSize.height()); - - qqc2Debug() << m_styleItemGeometry - << "bounding rect:" << boundingRect() - << "layout margins:" << layoutMargins() - << "content padding:" << contentPadding() - << "input content size:" << m_contentSize; -} - -void QQuickStyleItem::paintControlToImage() -{ - qqc2DebugHeading("PAINT"); - if (m_styleItemGeometry.minimumSize.isEmpty()) - return; - - m_dirty.setFlag(DirtyFlag::Image, false); - const qreal scale = window()->devicePixelRatio(); - m_paintedImage = QImage(imageSize() * scale, QImage::Format_ARGB32_Premultiplied); - m_paintedImage.setDevicePixelRatio(scale); - m_paintedImage.fill(Qt::transparent); - - QPainter painter(&m_paintedImage); - paintEvent(&painter); - -#ifdef QT_DEBUG - if (m_debugFlags != NoDebug) { - painter.setPen(QColor(255, 0, 0, 255)); - if (m_debugFlags.testFlag(ImageRect)) - painter.drawRect(QRect(QPoint(0, 0), m_paintedImage.size() / scale)); - if (m_debugFlags.testFlag(LayoutRect)) { - const auto m = layoutMargins(); - QRect rect = QRect(QPoint(0, 0), m_paintedImage.size() / scale); - rect.adjust(m.left(), m.top(), -m.right(), -m.bottom()); - painter.drawRect(rect); - } - if (m_debugFlags.testFlag(ContentRect)) { - const auto p = contentPadding(); - QRect rect = QRect(QPoint(0, 0), m_paintedImage.size() / scale); - rect.adjust(p.left(), p.top(), -p.right(), -p.bottom()); - painter.drawRect(rect); - } - if (m_debugFlags.testFlag(InputContentSize)) { - const int offset = 2; - const QPoint p = m_styleItemGeometry.contentRect.topLeft(); - painter.drawLine(p.x() - offset, p.y() - offset, p.x() + m_contentSize.width(), p.y() - offset); - painter.drawLine(p.x() - offset, p.y() - offset, p.x() - offset, p.y() + m_contentSize.height()); - } - if (m_debugFlags.testFlag(NinePatchMargins)) { - const QMargins m = m_styleItemGeometry.ninePatchMargins; - const int w = int(m_paintedImage.rect().width() / scale); - const int h = int(m_paintedImage.rect().height() / scale); - if (m.right() != -1) { - painter.drawLine(m.left(), 0, m.left(), h); - painter.drawLine(w - m.right(), 0, w - m.right(), h); - } - if (m.bottom() != -1) { - painter.drawLine(0, m.top(), w, m.top()); - painter.drawLine(0, h - m.bottom(), w, h - m.bottom()); - } - } - } -#endif - - update(); -} - -void QQuickStyleItem::updatePolish() -{ - QScopedValueRollback<bool> guard(m_polishing, true); - - const bool dirtyGeometry = m_dirty & DirtyFlag::Geometry; - const bool dirtyImage = (m_dirty & DirtyFlag::Image) || (!m_useNinePatchImage && dirtyGeometry); - - if (dirtyGeometry) - updateGeometry(); - if (dirtyImage) - paintControlToImage(); -} - -#ifdef QT_DEBUG -void QQuickStyleItem::addDebugInfo() -{ - // Example debug strings: - // "QQC2_NATIVESTYLE_DEBUG="myButton output contentRect" - // "QQC2_NATIVESTYLE_DEBUG="ComboBox ninepatchmargins" - // "QQC2_NATIVESTYLE_DEBUG="All layoutrect" - - static const auto debugString = qEnvironmentVariable("QQC2_NATIVESTYLE_DEBUG"); - static const auto matchAll = debugString.startsWith(QLatin1String("All ")); - static const auto prefix = QStringLiteral("QQuickStyleItem"); - if (debugString.isEmpty()) - return; - - const auto objectName = m_control->objectName(); - const auto typeName = QString::fromUtf8(metaObject()->className()).remove(prefix); - const bool matchName = !objectName.isEmpty() && debugString.startsWith(objectName); - const bool matchType = debugString.startsWith(typeName); - - if (!(matchAll || matchName || matchType)) - return; - -#define QQC2_DEBUG_FLAG(FLAG) \ - if (debugString.contains(QLatin1String(#FLAG), Qt::CaseInsensitive)) m_debugFlags |= FLAG - - QQC2_DEBUG_FLAG(Output); - QQC2_DEBUG_FLAG(ImageRect); - QQC2_DEBUG_FLAG(ContentRect); - QQC2_DEBUG_FLAG(LayoutRect); - QQC2_DEBUG_FLAG(InputContentSize); - QQC2_DEBUG_FLAG(DontUseNinePatchImage); - QQC2_DEBUG_FLAG(NinePatchMargins); - QQC2_DEBUG_FLAG(Unscaled); - - if (m_debugFlags & (DontUseNinePatchImage - | InputContentSize - | ContentRect - | LayoutRect - | NinePatchMargins)) { - // Some rects will not fit inside the drawn image unless - // we switch off (nine patch) image scaling. - m_debugFlags |= DontUseNinePatchImage; - m_useNinePatchImage = false; - } - - if (m_debugFlags != NoDebug) - qDebug() << "debug options set for" << typeName << "(" << objectName << "):" << m_debugFlags; - else - qDebug() << "available debug options:" << DebugFlags(0xFFFF); -} -#endif - -void QQuickStyleItem::componentComplete() -{ - Q_ASSERT_X(m_control, Q_FUNC_INFO, "You need to assign a value to property 'control'"); -#ifdef QT_DEBUG - addDebugInfo(); -#endif - QQuickItem::componentComplete(); - connectToControl(); - polish(); -} - -qreal QQuickStyleItem::contentWidth() -{ - return m_contentSize.width(); -} - -void QQuickStyleItem::setContentWidth(qreal contentWidth) -{ - if (qFuzzyCompare(m_contentSize.width(), contentWidth)) - return; - - m_contentSize.setWidth(contentWidth); - markGeometryDirty(); -} - -qreal QQuickStyleItem::contentHeight() -{ - return m_contentSize.height(); -} - -void QQuickStyleItem::setContentHeight(qreal contentHeight) -{ - if (qFuzzyCompare(m_contentSize.height(), contentHeight)) - return; - - m_contentSize.setHeight(contentHeight); - markGeometryDirty(); -} - -QQuickStyleMargins QQuickStyleItem::contentPadding() const -{ - const QRect outerRect(QPoint(0, 0), m_styleItemGeometry.implicitSize); - return QQuickStyleMargins(outerRect, m_styleItemGeometry.contentRect); -} - -QQuickStyleMargins QQuickStyleItem::layoutMargins() const -{ - // ### TODO: layoutRect is currently not being used for anything. But - // eventually this information will be needed by layouts to align the controls - // correctly. This because the images drawn by QStyle are usually a bit bigger - // than the control(frame) itself, to e.g make room for shadow effects - // or focus rects/glow. And this will differ from control to control. The - // layoutRect will then inform where the frame of the control is. - QQuickStyleMargins margins; - if (m_styleItemGeometry.layoutRect.isValid()) { - const QRect outerRect(QPoint(0, 0), m_styleItemGeometry.implicitSize); - margins = QQuickStyleMargins(outerRect, m_styleItemGeometry.layoutRect); - } - return margins; -} - -QSize QQuickStyleItem::minimumSize() const -{ - // The style item should not be scaled below this size. - // Otherwise the image will be truncated. - return m_styleItemGeometry.minimumSize; -} - -QSize QQuickStyleItem::imageSize() const -{ - // Returns the size of the QImage (unscaled) that - // is used to draw the control from QStyle. - return m_useNinePatchImage ? m_styleItemGeometry.minimumSize : size().toSize(); -} - -qreal QQuickStyleItem::focusFrameRadius() const -{ - return m_styleItemGeometry.focusFrameRadius; -} - -QFont QQuickStyleItem::styleFont(QQuickItem *control) -{ - Q_ASSERT(control); - // Note: This function should be treated as if it was static - // (meaning, don't assume anything in this object to be initialized). - // Resolving the font/font size should be done early on from QML, before we get - // around to calculate geometry and paint. Otherwise we typically need to do it - // all over again when/if the font changes. In practice this means that other - // items in QML that uses a style font, and at the same time, affects our input - // contentSize, cannot wait for this item to be fully constructed before it - // gets the font. So we need to resolve it here and now, even if this - // object might be in a half initialized state (hence also the control - // argument, instead of relying on m_control to be set). - return QGuiApplication::font(); -} - -QT_END_NAMESPACE |