201 lines
5.4 KiB
C++
201 lines
5.4 KiB
C++
/*
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SPDX-FileCopyrightText: 2008 Aaron Seigo <aseigo@kde.org>
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SPDX-FileCopyrightText: 2009 Marco Martin <notmart@gmail.com>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#ifndef PLASMA_FRAMESVG_P_H
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#define PLASMA_FRAMESVG_P_H
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#include <QCache>
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#include <QHash>
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#include <QStringBuilder>
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#include <QDebug>
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#include <Plasma/Theme>
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#include "svg_p.h"
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namespace Plasma
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{
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class FrameData
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{
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public:
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FrameData(FrameSvg *svg, const QString &p)
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: imagePath(svg->imagePath())
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, prefix(p)
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, enabledBorders(FrameSvg::AllBorders)
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, frameSize(-1, -1)
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, topHeight(0)
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, leftWidth(0)
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, rightWidth(0)
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, bottomHeight(0)
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, topMargin(0)
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, leftMargin(0)
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, rightMargin(0)
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, bottomMargin(0)
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, noBorderPadding(false)
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, stretchBorders(false)
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, tileCenter(false)
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, composeOverBorder(false)
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, theme(nullptr)
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{
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}
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FrameData(const FrameData &other, FrameSvg *svg)
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: imagePath(other.imagePath)
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, prefix(other.prefix)
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, enabledBorders(other.enabledBorders)
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, cachedMasks(MAX_CACHED_MASKS)
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, frameSize(other.frameSize)
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, topHeight(0)
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, leftWidth(0)
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, rightWidth(0)
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, bottomHeight(0)
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, topMargin(0)
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, leftMargin(0)
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, rightMargin(0)
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, bottomMargin(0)
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, devicePixelRatio(svg->devicePixelRatio())
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, noBorderPadding(false)
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, stretchBorders(false)
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, tileCenter(false)
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, composeOverBorder(false)
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, theme(nullptr)
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{
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}
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~FrameData();
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QString imagePath;
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QString prefix;
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QString requestedPrefix;
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FrameSvg::EnabledBorders enabledBorders;
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QPixmap cachedBackground;
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QCache<uint, QRegion> cachedMasks;
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static const int MAX_CACHED_MASKS = 10;
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uint lastModified = 0;
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QSize frameSize;
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uint cacheId;
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// measures
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int topHeight;
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int leftWidth;
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int rightWidth;
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int bottomHeight;
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// margins, are equal to the measures by default
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int topMargin;
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int leftMargin;
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int rightMargin;
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int bottomMargin;
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// measures
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int fixedTopHeight;
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int fixedLeftWidth;
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int fixedRightWidth;
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int fixedBottomHeight;
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// margins, are equal to the measures by default
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int fixedTopMargin;
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int fixedLeftMargin;
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int fixedRightMargin;
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int fixedBottomMargin;
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// margins, we only have the hint for insets
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int insetTopMargin;
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int insetLeftMargin;
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int insetRightMargin;
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int insetBottomMargin;
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qreal devicePixelRatio;
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// size of the svg where the size of the "center"
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// element is contentWidth x contentHeight
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bool noBorderPadding : 1;
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bool stretchBorders : 1;
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bool tileCenter : 1;
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bool composeOverBorder : 1;
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Plasma::ThemePrivate *theme;
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};
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class FrameSvgPrivate
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{
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public:
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FrameSvgPrivate(FrameSvg *psvg)
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: q(psvg)
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, overlayPos(0, 0)
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, enabledBorders(FrameSvg::AllBorders)
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, cacheAll(false)
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, repaintBlocked(false)
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{
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}
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~FrameSvgPrivate();
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QPixmap alphaMask();
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enum UpdateType {
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UpdateFrame,
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UpdateFrameAndMargins,
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};
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void generateBackground(const QSharedPointer<FrameData> &frame);
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void generateFrameBackground(const QSharedPointer<FrameData> &);
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SvgPrivate::CacheId cacheId(FrameData *frame, const QString &prefixToUse) const;
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void cacheFrame(const QString &prefixToSave, const QPixmap &background, const QPixmap &overlay);
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void updateSizes(FrameData *frame) const;
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void updateSizes(const QSharedPointer<FrameData> &frame) const
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{
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return updateSizes(frame.data());
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}
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void updateNeeded();
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void updateAndSignalSizes();
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QSizeF frameSize(const QSharedPointer<FrameData> &frame) const
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{
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return frameSize(frame.data());
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}
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QSizeF frameSize(FrameData *frame) const;
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void paintBorder(QPainter &p,
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const QSharedPointer<FrameData> &frame,
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Plasma::FrameSvg::EnabledBorders border,
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const QSize &originalSize,
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const QRect &output) const;
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void paintCorner(QPainter &p, const QSharedPointer<FrameData> &frame, Plasma::FrameSvg::EnabledBorders border, const QRect &output) const;
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void paintCenter(QPainter &p, const QSharedPointer<FrameData> &frame, const QRect &contentRect, const QSize &fullSize);
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QRect contentGeometry(const QSharedPointer<FrameData> &frame, const QSize &size) const;
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void updateFrameData(uint lastModified, UpdateType updateType = UpdateFrameAndMargins);
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QSharedPointer<FrameData> lookupOrCreateMaskFrame(const QSharedPointer<FrameData> &frame, const QString &maskPrefix, const QString &maskRequestedPrefix);
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Types::Location location = Types::Floating;
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QString prefix;
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// sometimes the prefix we requested is not available, so prefix will be empty
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// keep track of the requested one anyways, we'll try again when the theme changes
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QString requestedPrefix;
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FrameSvg *const q;
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QPoint overlayPos;
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QSharedPointer<FrameData> frame;
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QSharedPointer<FrameData> maskFrame;
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// those can differ from frame->enabledBorders if we are in a transition
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FrameSvg::EnabledBorders enabledBorders;
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// this can differ from frame->frameSize if we are in a transition
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QSize pendingFrameSize;
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static QHash<ThemePrivate *, QHash<uint, QWeakPointer<FrameData>>> s_sharedFrames;
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bool cacheAll : 1;
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bool repaintBlocked : 1;
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};
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}
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#endif
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