diff options
Diffstat (limited to 'src/gui')
53 files changed, 988 insertions, 460 deletions
diff --git a/src/gui/gui.pro b/src/gui/gui.pro index 2b89477118..379f2745ce 100644 --- a/src/gui/gui.pro +++ b/src/gui/gui.pro @@ -1,6 +1,10 @@ TARGET = QtGui QPRO_PWD = $$PWD -QT = core +QT = core-private + +CONFIG += module +MODULE_PRI = ../modules/qt_gui.pri + DEFINES += QT_BUILD_GUI_LIB QT_NO_USING_NAMESPACE win32-msvc*|win32-icc:QMAKE_LFLAGS += /BASE:0x65000000 irix-cc*:QMAKE_CXXFLAGS += -no_prelink -ptused diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp index 0a03397251..72a05afbd0 100644 --- a/src/gui/kernel/qapplication_win.cpp +++ b/src/gui/kernel/qapplication_win.cpp @@ -237,6 +237,7 @@ static void resolveAygLibs() # define FE_FONTSMOOTHINGCLEARTYPE 0x0002 #endif +Q_GUI_EXPORT qreal qt_fontsmoothing_gamma; Q_GUI_EXPORT bool qt_cleartype_enabled; Q_GUI_EXPORT bool qt_win_owndc_required; // CS_OWNDC is required if we use the GL graphicssystem as default @@ -653,8 +654,18 @@ static void qt_win_read_cleartype_settings() if (SystemParametersInfo(SPI_GETFONTSMOOTHINGTYPE, 0, &result, 0)) qt_cleartype_enabled = (result == FE_FONTSMOOTHINGCLEARTYPE); #endif -} + int winSmooth; + if (SystemParametersInfo(0x200C /* SPI_GETFONTSMOOTHINGCONTRAST */, 0, &winSmooth, 0)) { + qt_fontsmoothing_gamma = winSmooth / qreal(1000.0); + } else { + qt_fontsmoothing_gamma = 1.0; + } + + // Safeguard ourselves against corrupt registry values... + if (qt_fontsmoothing_gamma > 5 || qt_fontsmoothing_gamma < 1) + qt_fontsmoothing_gamma = qreal(1.4); +} static void qt_set_windows_resources() { diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm index b5e5d186b8..e885d1552c 100644 --- a/src/gui/kernel/qcocoaview_mac.mm +++ b/src/gui/kernel/qcocoaview_mac.mm @@ -334,7 +334,6 @@ static int qCocoaViewCount = 0; // // Qt will then forward the update to the children. if (qwidget->isWindow()) { - qwidget->update(qwidget->rect()); qwidgetprivate->syncBackingStore(qwidget->rect()); } } diff --git a/src/gui/kernel/qdesktopwidget_qpa.cpp b/src/gui/kernel/qdesktopwidget_qpa.cpp index b79e4e1618..7b175dbe95 100644 --- a/src/gui/kernel/qdesktopwidget_qpa.cpp +++ b/src/gui/kernel/qdesktopwidget_qpa.cpp @@ -50,6 +50,7 @@ QT_USE_NAMESPACE void QDesktopWidgetPrivate::updateScreenList() { + Q_Q(QDesktopWidget); QList<QPlatformScreen *> screenList = QGuiApplicationPrivate::platformIntegration()->screens(); int targetLength = screenList.length(); int currentLength = screens.length(); @@ -71,19 +72,15 @@ void QDesktopWidgetPrivate::updateScreenList() } QRegion virtualGeometry; - bool doVirtualGeometry = QGuiApplicationPrivate::platformIntegration()->isVirtualDesktop(); // update the geometry of each screen widget for (int i = 0; i < screens.length(); i++) { QRect screenGeometry = screenList.at(i)->geometry(); screens.at(i)->setGeometry(screenGeometry); - if (doVirtualGeometry) - virtualGeometry += screenGeometry; + virtualGeometry += screenGeometry; } - virtualScreen.setGeometry(virtualGeometry.boundingRect()); - Q_Q(QDesktopWidget); - q->setGeometry(virtualScreen.geometry()); + q->setGeometry(virtualGeometry.boundingRect()); } QDesktopWidget::QDesktopWidget() @@ -117,8 +114,6 @@ int QDesktopWidget::numScreens() const QWidget *QDesktopWidget::screen(int screen) { Q_D(QDesktopWidget); - if (QGuiApplicationPrivate::platformIntegration()->isVirtualDesktop()) - return &d->virtualScreen; if (screen < 0 || screen >= d->screens.length()) return d->screens.at(0); return d->screens.at(screen); diff --git a/src/gui/kernel/qdesktopwidget_qpa_p.h b/src/gui/kernel/qdesktopwidget_qpa_p.h index abee8a101e..d6ed686a3f 100644 --- a/src/gui/kernel/qdesktopwidget_qpa_p.h +++ b/src/gui/kernel/qdesktopwidget_qpa_p.h @@ -76,7 +76,6 @@ public: void updateScreenList(); QList<QDesktopScreenWidget *> screens; - QDesktopScreenWidget virtualScreen; }; #endif // QDESKTOPWIDGET_QPA_P_H diff --git a/src/gui/kernel/qsessionmanager_qpa.cpp b/src/gui/kernel/qsessionmanager_qpa.cpp index bd6fc62f31..0730204720 100644 --- a/src/gui/kernel/qsessionmanager_qpa.cpp +++ b/src/gui/kernel/qsessionmanager_qpa.cpp @@ -43,6 +43,8 @@ #include <qapplication.h> #include <private/qobject_p.h> +#include <qapplication.h> + #ifndef QT_NO_SESSIONMANAGER QT_BEGIN_NAMESPACE diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index ad0edaa00c..333b433bb5 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -6694,14 +6694,8 @@ void qt_build_pow_tables() { #endif #ifdef Q_WS_WIN - int winSmooth; - if (SystemParametersInfo(0x200C /* SPI_GETFONTSMOOTHINGCONTRAST */, 0, &winSmooth, 0)) - smoothing = winSmooth / qreal(1000.0); - - // Safeguard ourselves against corrupt registry values... - if (smoothing > 5 || smoothing < 1) - smoothing = qreal(1.4); - + extern qreal qt_fontsmoothing_gamma; // qapplication_win.cpp + smoothing = qt_fontsmoothing_gamma; #endif #ifdef Q_WS_X11 diff --git a/src/gui/painting/qpaintengine_mac.cpp b/src/gui/painting/qpaintengine_mac.cpp index 8aab7c7a4b..c6d061dea8 100644 --- a/src/gui/painting/qpaintengine_mac.cpp +++ b/src/gui/painting/qpaintengine_mac.cpp @@ -100,7 +100,9 @@ QMacCGContext::QMacCGContext(QPainter *p) int devType = p->device()->devType(); if (pe->type() == QPaintEngine::Raster - && (devType == QInternal::Widget || devType == QInternal::Pixmap)) { + && (devType == QInternal::Widget || + devType == QInternal::Pixmap || + devType == QInternal::Image)) { extern CGColorSpaceRef qt_mac_colorSpaceForDeviceType(const QPaintDevice *paintDevice); CGColorSpaceRef colorspace = qt_mac_colorSpaceForDeviceType(pe->paintDevice()); diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index dded864827..929685db53 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -153,7 +153,8 @@ static bool qt_paintengine_supports_transformations(QPaintEngine::Type type) { return type == QPaintEngine::OpenGL2 || type == QPaintEngine::OpenVG - || type == QPaintEngine::OpenGL; + || type == QPaintEngine::OpenGL + || type == QPaintEngine::CoreGraphics; } #ifndef QT_NO_DEBUG @@ -5683,7 +5684,7 @@ void QPainter::drawGlyphs(const QPointF &position, const QGlyphs &glyphs) bool paintEngineSupportsTransformations = d->extended != 0 ? qt_paintengine_supports_transformations(d->extended->type()) - : false; + : qt_paintengine_supports_transformations(d->engine->type()); for (int i=0; i<count; ++i) { QPointF processedPosition = position + glyphPositions.at(i); if (!paintEngineSupportsTransformations) diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp index 53f025f819..e9e56a2d58 100644 --- a/src/gui/painting/qtextureglyphcache.cpp +++ b/src/gui/painting/qtextureglyphcache.cpp @@ -296,7 +296,7 @@ void QTextureGlyphCache::fillInPendingGlyphs() QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g, QFixed subPixelPosition) const { #if defined(Q_WS_X11) - if (m_transform.type() > QTransform::TxTranslate) { + if (m_transform.type() > QTransform::TxTranslate && m_current_fontengine->type() == QFontEngine::Freetype) { QFontEngineFT::GlyphFormat format = QFontEngineFT::Format_None; QImage::Format imageFormat = QImage::Format_Invalid; switch (m_type) { diff --git a/src/gui/text/qfont.h b/src/gui/text/qfont.h index 18c39cbe31..194e3ad34a 100644 --- a/src/gui/text/qfont.h +++ b/src/gui/text/qfont.h @@ -239,7 +239,7 @@ public: bool isCopyOf(const QFont &) const; #ifdef Q_COMPILER_RVALUE_REFS inline QFont &operator=(QFont &&other) - { qSwap(d, other.d); return *this; } + { qSwap(d, other.d); qSwap(resolve_mask, other.resolve_mask); return *this; } #endif #ifdef Q_WS_WIN diff --git a/src/gui/text/qfontengine_coretext.mm b/src/gui/text/qfontengine_coretext.mm index 20b37300fa..d4df2183ed 100644 --- a/src/gui/text/qfontengine_coretext.mm +++ b/src/gui/text/qfontengine_coretext.mm @@ -162,8 +162,10 @@ uint QCoreTextFontEngineMulti::fontIndexForFont(CTFontRef font) const return engines.count() - 1; } -bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, - unsigned short *logClusters, const HB_CharAttributes *) const +bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, + int *nglyphs, QTextEngine::ShaperFlags flags, + unsigned short *logClusters, const HB_CharAttributes *, + QScriptItem *si) const { QCFType<CFStringRef> cfstring = CFStringCreateWithCharactersNoCopy(0, reinterpret_cast<const UniChar *>(str), @@ -180,6 +182,8 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); typeSetter = CTTypesetterCreateWithAttributedStringAndOptions(attributedString, options); } else +#else + Q_UNUSED(flags); #endif typeSetter = CTTypesetterCreateWithAttributedString(attributedString); @@ -219,6 +223,25 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay Q_ASSERT((CTRunGetStatus(run) & kCTRunStatusRightToLeft) == rtl); CFRange stringRange = CTRunGetStringRange(run); + int prepend = 0; +#if MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_5 + UniChar beginGlyph = CFStringGetCharacterAtIndex(cfstring, stringRange.location); + QChar dir = QChar::direction(beginGlyph); + bool beginWithOverride = dir == QChar::DirLRO || dir == QChar::DirRLO || dir == QChar::DirLRE || dir == QChar::DirRLE; + if (beginWithOverride) { + logClusters[stringRange.location] = 0; + outGlyphs[0] = 0xFFFF; + outAdvances_x[0] = 0; + outAdvances_y[0] = 0; + outAttributes[0].clusterStart = true; + outAttributes[0].dontPrint = true; + outGlyphs++; + outAdvances_x++; + outAdvances_y++; + outAttributes++; + prepend = 1; + } +#endif UniChar endGlyph = CFStringGetCharacterAtIndex(cfstring, stringRange.location + stringRange.length - 1); bool endWithPDF = QChar::direction(endGlyph) == QChar::DirPDF; if (endWithPDF) @@ -233,7 +256,12 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay if (!runAttribs) runAttribs = attributeDict; CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(runAttribs, NSFontAttributeName)); - const uint fontIndex = (fontIndexForFont(runFont) << 24); + uint fontIndex = fontIndexForFont(runFont); + const QFontEngine *engine = engineAt(fontIndex); + fontIndex <<= 24; + si->ascent = qMax(engine->ascent(), si->ascent); + si->descent = qMax(engine->descent(), si->descent); + si->leading = qMax(engine->leading(), si->leading); //NSLog(@"Run Font Name = %@", CTFontCopyFamilyName(runFont)); if (endWithPDF) glyphCount--; @@ -271,9 +299,9 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay CFIndex k = 0; CFIndex i = 0; - for (i = stringRange.location; + for (i = stringRange.location + prepend; (i < stringRange.location + stringRange.length) && (k < glyphCount); ++i) { - if (tmpIndices[k * rtlSign + rtlOffset] == i || i == stringRange.location) { + if (tmpIndices[k * rtlSign + rtlOffset] == i || i == stringRange.location + prepend) { logClusters[i] = k + firstGlyphIndex; outAttributes[k].clusterStart = true; ++k; @@ -308,7 +336,7 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay : QFixed::fromReal(lastGlyphAdvance.width); if (endWithPDF) { - logClusters[stringRange.location + stringRange.length - 1] = glyphCount; + logClusters[stringRange.location + stringRange.length - 1] = glyphCount + prepend; outGlyphs[glyphCount] = 0xFFFF; outAdvances_x[glyphCount] = 0; outAdvances_y[glyphCount] = 0; @@ -837,6 +865,15 @@ QFixed QCoreTextFontEngine::emSquareSize() const return QFixed::QFixed(int(CTFontGetUnitsPerEm(ctfont))); } +QFontEngine *QCoreTextFontEngine::cloneWithSize(qreal pixelSize) const +{ + QFontDef newFontDef = fontDef; + newFontDef.pixelSize = pixelSize; + newFontDef.pointSize = pixelSize * 72.0 / qt_defaultDpi(); + + return new QCoreTextFontEngine(cgFont, fontDef); +} + QT_END_NAMESPACE #endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) diff --git a/src/gui/text/qfontengine_coretext_p.h b/src/gui/text/qfontengine_coretext_p.h index 1503c3f73f..bb80a9b2f3 100644 --- a/src/gui/text/qfontengine_coretext_p.h +++ b/src/gui/text/qfontengine_coretext_p.h @@ -91,6 +91,8 @@ public: virtual qreal minLeftBearing() const; virtual QFixed emSquareSize() const; + virtual QFontEngine *cloneWithSize(qreal pixelSize) const; + private: friend class QRawFontPrivate; @@ -118,7 +120,8 @@ public: QTextEngine::ShaperFlags flags) const; bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, - unsigned short *logClusters, const HB_CharAttributes *charAttributes) const; + unsigned short *logClusters, const HB_CharAttributes *charAttributes, + QScriptItem *si) const; virtual const char *name() const { return "CoreText"; } protected: diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp index 8f2da9b713..58bcca87b7 100644 --- a/src/gui/text/qfontengine_ft.cpp +++ b/src/gui/text/qfontengine_ft.cpp @@ -2069,6 +2069,41 @@ HB_Error QFontEngineFT::getPointInOutline(HB_Glyph glyph, int flags, hb_uint32 p return result; } +bool QFontEngineFT::initFromFontEngine(const QFontEngineFT *fe) +{ + if (!init(fe->faceId(), fe->antialias, fe->defaultFormat, fe->freetype)) + return false; + + // Increase the reference of this QFreetypeFace since one more QFontEngineFT + // will be using it + freetype->ref.ref(); + + default_load_flags = fe->default_load_flags; + default_hint_style = fe->default_hint_style; + antialias = fe->antialias; + transform = fe->transform; + embolden = fe->embolden; + subpixelType = fe->subpixelType; + lcdFilterType = fe->lcdFilterType; + canUploadGlyphsToServer = fe->canUploadGlyphsToServer; + embeddedbitmap = fe->embeddedbitmap; + + return true; +} + +QFontEngine *QFontEngineFT::cloneWithSize(qreal pixelSize) const +{ + QFontDef fontDef; + fontDef.pixelSize = pixelSize; + QFontEngineFT *fe = new QFontEngineFT(fontDef); + if (!fe->initFromFontEngine(this)) { + delete fe; + return 0; + } else { + return fe; + } +} + QT_END_NAMESPACE #endif // QT_NO_FREETYPE diff --git a/src/gui/text/qfontengine_ft_p.h b/src/gui/text/qfontengine_ft_p.h index 887efed843..2c335f3cd3 100644 --- a/src/gui/text/qfontengine_ft_p.h +++ b/src/gui/text/qfontengine_ft_p.h @@ -122,7 +122,7 @@ struct QFreetypeFace static void addBitmapToPath(FT_GlyphSlot slot, const QFixedPoint &point, QPainterPath *path, bool = false); private: - friend class QFontEngineFTRawFont; + friend class QFontEngineFT; friend class QScopedPointerDeleter<QFreetypeFace>; QFreetypeFace() : _lock(QMutex::Recursive) {} ~QFreetypeFace() {} @@ -311,14 +311,12 @@ private: virtual HB_Error getPointInOutline(HB_Glyph glyph, int flags, hb_uint32 point, HB_Fixed *xpos, HB_Fixed *ypos, hb_uint32 *nPoints); - enum HintStyle { - HintNone, - HintLight, - HintMedium, - HintFull - }; - void setDefaultHintStyle(HintStyle style); + virtual void setDefaultHintStyle(HintStyle style); + + virtual QFontEngine *cloneWithSize(qreal pixelSize) const; + bool initFromFontEngine(const QFontEngineFT *fontEngine); + HintStyle defaultHintStyle() const { return default_hint_style; } protected: diff --git a/src/gui/text/qfontengine_mac.mm b/src/gui/text/qfontengine_mac.mm index 673a7c86fa..9f094ad7d1 100644 --- a/src/gui/text/qfontengine_mac.mm +++ b/src/gui/text/qfontengine_mac.mm @@ -377,7 +377,7 @@ bool QFontEngineMacMulti::stringToCMap(const QChar *str, int len, QGlyphLayout * } bool QFontEngineMacMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, - unsigned short *logClusters, const HB_CharAttributes *charAttributes) const + unsigned short *logClusters, const HB_CharAttributes *charAttributes, QScriptItem *) const { if (*nglyphs < len) { *nglyphs = len; diff --git a/src/gui/text/qfontengine_mac_p.h b/src/gui/text/qfontengine_mac_p.h index 385fa83fe9..292ea98d9a 100644 --- a/src/gui/text/qfontengine_mac_p.h +++ b/src/gui/text/qfontengine_mac_p.h @@ -131,7 +131,7 @@ public: virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, - unsigned short *logClusters, const HB_CharAttributes *charAttributes) const; + unsigned short *logClusters, const HB_CharAttributes *charAttributes, QScriptItem *) const; virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const; virtual void doKerning(QGlyphLayout *, QTextEngine::ShaperFlags) const; diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h index 5b39fd39ad..b74371c7a8 100644 --- a/src/gui/text/qfontengine_p.h +++ b/src/gui/text/qfontengine_p.h @@ -235,6 +235,8 @@ public: virtual int glyphCount() const; + virtual QFontEngine *cloneWithSize(qreal /*pixelSize*/) const { return 0; } + HB_Font harfbuzzFont() const; HB_Face harfbuzzFace() const; @@ -248,6 +250,14 @@ public: static QByteArray convertToPostscriptFontFamilyName(const QByteArray &fontFamily); + enum HintStyle { + HintNone, + HintLight, + HintMedium, + HintFull + }; + virtual void setDefaultHintStyle(HintStyle) { } + QAtomicInt ref; QFontDef fontDef; uint cache_cost; // amount of mem used in kb by the font diff --git a/src/gui/text/qfontengine_win.cpp b/src/gui/text/qfontengine_win.cpp index 82d9da0be9..54d7ec2980 100644 --- a/src/gui/text/qfontengine_win.cpp +++ b/src/gui/text/qfontengine_win.cpp @@ -1284,6 +1284,23 @@ QImage QFontEngineWin::alphaRGBMapForGlyph(glyph_t glyph, QFixed, int margin, co return rgbMask; } +// From qfontdatabase_win.cpp +extern QFontEngine *qt_load_font_engine_win(const QFontDef &request); +QFontEngine *QFontEngineWin::cloneWithSize(qreal pixelSize) const +{ + QFontDef request = fontDef; + QString actualFontName = request.family; + if (!uniqueFamilyName.isEmpty()) + request.family = uniqueFamilyName; + request.pixelSize = pixelSize; + + QFontEngine *fontEngine = qt_load_font_engine_win(request); + if (fontEngine != NULL) + fontEngine->fontDef.family = actualFontName; + + return fontEngine; +} + // -------------------------------------- Multi font engine QFontEngineMultiWin::QFontEngineMultiWin(QFontEngine *first, const QStringList &fallbacks) diff --git a/src/gui/text/qfontengine_win_p.h b/src/gui/text/qfontengine_win_p.h index 28d80008e4..114149d61f 100644 --- a/src/gui/text/qfontengine_win_p.h +++ b/src/gui/text/qfontengine_win_p.h @@ -106,6 +106,8 @@ public: virtual QImage alphaMapForGlyph(glyph_t, const QTransform &xform); virtual QImage alphaRGBMapForGlyph(glyph_t t, QFixed subPixelPosition, int margin, const QTransform &xform); + virtual QFontEngine *cloneWithSize(qreal pixelSize) const; + #ifndef Q_CC_MINGW virtual void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0); #endif @@ -118,6 +120,7 @@ public: #endif QString _name; + QString uniqueFamilyName; HFONT hfont; LOGFONT logfont; uint stockFont : 1; diff --git a/src/gui/text/qfontengine_x11.cpp b/src/gui/text/qfontengine_x11.cpp index 9f3f8d3d9d..4260b85b11 100644 --- a/src/gui/text/qfontengine_x11.cpp +++ b/src/gui/text/qfontengine_x11.cpp @@ -1196,6 +1196,20 @@ bool QFontEngineX11FT::uploadGlyphToServer(QGlyphSet *set, uint glyphid, Glyph * #endif } +QFontEngine *QFontEngineX11FT::cloneWithSize(qreal pixelSize) const +{ + QFontDef fontDef; + fontDef.pixelSize = pixelSize; + QFontEngineX11FT *fe = new QFontEngineX11FT(fontDef); + if (!fe->initFromFontEngine(this)) { + delete fe; + return 0; + } else { + fe->xglyph_format = xglyph_format; + return fe; + } +} + #endif // QT_NO_FONTCONFIG QT_END_NAMESPACE diff --git a/src/gui/text/qfontengine_x11_p.h b/src/gui/text/qfontengine_x11_p.h index ad68fac167..d7eb39daaa 100644 --- a/src/gui/text/qfontengine_x11_p.h +++ b/src/gui/text/qfontengine_x11_p.h @@ -161,6 +161,8 @@ public: explicit QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int screen); ~QFontEngineX11FT(); + QFontEngine *cloneWithSize(qreal pixelSize) const; + #ifndef QT_NO_XRENDER int xglyph_format; #endif diff --git a/src/gui/text/qfontenginedirectwrite.cpp b/src/gui/text/qfontenginedirectwrite.cpp index f0a3644865..aab00c0db8 100644 --- a/src/gui/text/qfontenginedirectwrite.cpp +++ b/src/gui/text/qfontenginedirectwrite.cpp @@ -630,6 +630,17 @@ QFontEngine::Type QFontEngineDirectWrite::type() const return QFontEngine::DirectWrite; } +QFontEngine *QFontEngineDirectWrite::cloneWithSize(qreal pixelSize) const +{ + QFontEngine *fontEngine = new QFontEngineDirectWrite(m_directWriteFactory, m_directWriteFontFace, + pixelSize); + + fontEngine->fontDef = fontDef; + fontEngine->fontDef.pixelSize = pixelSize; + + return fontEngine; +} + QT_END_NAMESPACE #endif // QT_NO_DIRECTWRITE diff --git a/src/gui/text/qfontenginedirectwrite_p.h b/src/gui/text/qfontenginedirectwrite_p.h index c440a6ca65..53a4b0a53d 100644 --- a/src/gui/text/qfontenginedirectwrite_p.h +++ b/src/gui/text/qfontenginedirectwrite_p.h @@ -101,6 +101,8 @@ public: QImage alphaRGBMapForGlyph(glyph_t t, QFixed subPixelPosition, int margin, const QTransform &xform); + QFontEngine *cloneWithSize(qreal pixelSize) const; + bool canRender(const QChar *string, int len); Type type() const; diff --git a/src/gui/text/qglyphs.cpp b/src/gui/text/qglyphs.cpp index b8a418de44..cfea6ece93 100644 --- a/src/gui/text/qglyphs.cpp +++ b/src/gui/text/qglyphs.cpp @@ -50,7 +50,7 @@ QT_BEGIN_NAMESPACE /*! \class QGlyphs - \brief the QGlyphs class provides direct access to the internal glyphs in a font + \brief The QGlyphs class provides direct access to the internal glyphs in a font. \since 4.8 \ingroup text @@ -76,8 +76,8 @@ QT_BEGIN_NAMESPACE QTextLayout::glyphs() or QTextFragment::glyphs() can be used to convert unicode encoded text into a list of QGlyphs objects, and QPainter::drawGlyphs() can be used to draw the glyphs. - \note Please note that QRawFont is considered local to the thread in which it is constructed, - which in turn means that a new QRawFont will have to be created and set on the QGlyphs if it is + \note Please note that QRawFont is considered local to the thread in which it is constructed. + This in turn means that a new QRawFont will have to be created and set on the QGlyphs if it is moved to a different thread. If the QGlyphs contains a reference to a QRawFont from a different thread than the current, it will not be possible to draw the glyphs using a QPainter, as the QRawFont is considered invalid and inaccessible in this case. diff --git a/src/gui/text/qplatformfontdatabase_qpa.cpp b/src/gui/text/qplatformfontdatabase_qpa.cpp index 6fa25e7ea2..82ec2793b9 100644 --- a/src/gui/text/qplatformfontdatabase_qpa.cpp +++ b/src/gui/text/qplatformfontdatabase_qpa.cpp @@ -218,6 +218,16 @@ QFontEngine *QPlatformFontDatabase::fontEngine(const QFontDef &fontDef, QUnicode return engine; } +QFontEngine *QPlatformFontDatabase::fontEngine(const QByteArray &fontData, qreal pixelSize, + QFont::HintingPreference hintingPreference) +{ + Q_UNUSED(fontData); + Q_UNUSED(pixelSize); + Q_UNUSED(hintingPreference); + qWarning("This plugin does not support font engines created directly from font data"); + return 0; +} + /*! */ diff --git a/src/gui/text/qplatformfontdatabase_qpa.h b/src/gui/text/qplatformfontdatabase_qpa.h index e0e4f04d89..046311f471 100644 --- a/src/gui/text/qplatformfontdatabase_qpa.h +++ b/src/gui/text/qplatformfontdatabase_qpa.h @@ -92,6 +92,8 @@ public: virtual QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName); virtual void releaseHandle(void *handle); + virtual QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference); + virtual QString fontDir() const; //callback diff --git a/src/gui/text/qrawfont.cpp b/src/gui/text/qrawfont.cpp index 4a715c27cc..1bce909b0e 100644 --- a/src/gui/text/qrawfont.cpp +++ b/src/gui/text/qrawfont.cpp @@ -308,10 +308,10 @@ qreal QRawFont::descent() const \sa setPixelSize() */ -int QRawFont::pixelSize() const +qreal QRawFont::pixelSize() const { if (!isValid()) - return -1; + return 0.0; return d->fontEngine->fontDef.pixelSize; } @@ -577,10 +577,21 @@ QRawFont QRawFont::fromFont(const QFont &font, QFontDatabase::WritingSystem writ /*! Sets the pixel size with which this font should be rendered to \a pixelSize. */ -void QRawFont::setPixelSize(int pixelSize) +void QRawFont::setPixelSize(qreal pixelSize) { + if (d->fontEngine == 0) + return; + detach(); - d->platformSetPixelSize(pixelSize); + QFontEngine *oldFontEngine = d->fontEngine; + + d->fontEngine = d->fontEngine->cloneWithSize(pixelSize); + if (d->fontEngine != 0) + d->fontEngine->ref.ref(); + + oldFontEngine->ref.deref(); + if (oldFontEngine->cache_count == 0 && oldFontEngine->ref == 0) + delete oldFontEngine; } /*! diff --git a/src/gui/text/qrawfont.h b/src/gui/text/qrawfont.h index 96dc838ede..56aeefc8ff 100644 --- a/src/gui/text/qrawfont.h +++ b/src/gui/text/qrawfont.h @@ -96,8 +96,8 @@ public: const QTransform &transform = QTransform()) const; QPainterPath pathForGlyph(quint32 glyphIndex) const; - void setPixelSize(int pixelSize); - int pixelSize() const; + void setPixelSize(qreal pixelSize); + qreal pixelSize() const; QFont::HintingPreference hintingPreference() const; diff --git a/src/gui/text/qrawfont_ft.cpp b/src/gui/text/qrawfont_ft.cpp index eefbd92118..23d47ebfb6 100644 --- a/src/gui/text/qrawfont_ft.cpp +++ b/src/gui/text/qrawfont_ft.cpp @@ -90,32 +90,6 @@ public: return init(faceId, true, Format_None, fontData); } - - bool initFromFontEngine(QFontEngine *oldFontEngine) - { - QFontEngineFT *fe = static_cast<QFontEngineFT *>(oldFontEngine); - - // Increase the reference of this QFreetypeFace since one more QFontEngineFT - // will be using it - fe->freetype->ref.ref(); - if (!init(fe->faceId(), fe->antialias, fe->defaultFormat, fe->freetype)) - return false; - - default_load_flags = fe->default_load_flags; - default_hint_style = fe->default_hint_style; - antialias = fe->antialias; - transform = fe->transform; - embolden = fe->embolden; - subpixelType = fe->subpixelType; - lcdFilterType = fe->lcdFilterType; - canUploadGlyphsToServer = fe->canUploadGlyphsToServer; - embeddedbitmap = fe->embeddedbitmap; - -#if defined(Q_WS_X11) - xglyph_format = static_cast<QFontEngineX11FT *>(fe)->xglyph_format; -#endif - return true; - } }; @@ -159,31 +133,6 @@ void QRawFontPrivate::platformLoadFromData(const QByteArray &fontData, int pixel fontEngine->ref.ref(); } -void QRawFontPrivate::platformSetPixelSize(int pixelSize) -{ - if (fontEngine == NULL) - return; - - QFontEngine *oldFontEngine = fontEngine; - - QFontDef fontDef; - fontDef.pixelSize = pixelSize; - QFontEngineFTRawFont *fe = new QFontEngineFTRawFont(fontDef); - if (!fe->initFromFontEngine(oldFontEngine)) { - delete fe; - return; - } - - fontEngine = fe; - fontEngine->fontDef = oldFontEngine->fontDef; - fontEngine->fontDef.pixelSize = pixelSize; - fontEngine->ref.ref(); - Q_ASSERT(fontEngine != oldFontEngine); - oldFontEngine->ref.deref(); - if (oldFontEngine->cache_count == 0 && oldFontEngine->ref == 0) - delete oldFontEngine; -} - QT_END_NAMESPACE #endif // QT_NO_RAWFONT diff --git a/src/gui/text/qrawfont_mac.cpp b/src/gui/text/qrawfont_mac.cpp index 56005c61f5..1ed4185a5d 100644 --- a/src/gui/text/qrawfont_mac.cpp +++ b/src/gui/text/qrawfont_mac.cpp @@ -78,28 +78,6 @@ void QRawFontPrivate::platformLoadFromData(const QByteArray &fontData, } } -void QRawFontPrivate::platformSetPixelSize(int pixelSize) -{ - if (fontEngine == NULL) - return; - - QFontEngine *oldFontEngine = fontEngine; - - QFontDef fontDef = oldFontEngine->fontDef; - fontDef.pixelSize = pixelSize; - fontDef.pointSize = pixelSize * 72.0 / qt_defaultDpi(); - - QCoreTextFontEngine *ctFontEngine = static_cast<QCoreTextFontEngine *>(oldFontEngine); - Q_ASSERT(ctFontEngine->cgFont); - - fontEngine = new QCoreTextFontEngine(ctFontEngine->cgFont, fontDef); - fontEngine->ref.ref(); - Q_ASSERT(fontEngine != oldFontEngine); - oldFontEngine->ref.deref(); - if (oldFontEngine->cache_count == 0 && oldFontEngine->ref == 0) - delete oldFontEngine; -} - QT_END_NAMESPACE #endif // QT_NO_RAWFONT diff --git a/src/gui/text/qrawfont_p.h b/src/gui/text/qrawfont_p.h index f9a9ab55cd..6c84be2d97 100644 --- a/src/gui/text/qrawfont_p.h +++ b/src/gui/text/qrawfont_p.h @@ -62,7 +62,7 @@ QT_BEGIN_NAMESPACE namespace { class CustomFontFileLoader; } -class Q_AUTOTEST_EXPORT QRawFontPrivate +class Q_GUI_EXPORT QRawFontPrivate { public: QRawFontPrivate() @@ -83,7 +83,6 @@ public: , fontHandle(NULL) , ptrAddFontMemResourceEx(other.ptrAddFontMemResourceEx) , ptrRemoveFontMemResourceEx(other.ptrRemoveFontMemResourceEx) - , uniqueFamilyName(other.uniqueFamilyName) #endif { fontEngine = other.fontEngine; @@ -102,7 +101,6 @@ public: void platformLoadFromData(const QByteArray &fontData, int pixelSize, QFont::HintingPreference hintingPreference); - void platformSetPixelSize(int pixelSize); static QRawFontPrivate *get(const QRawFont &font) { return font.d.data(); } @@ -120,8 +118,6 @@ public: PtrAddFontMemResourceEx ptrAddFontMemResourceEx; PtrRemoveFontMemResourceEx ptrRemoveFontMemResourceEx; - QString uniqueFamilyName; - #endif // Q_WS_WIN }; diff --git a/src/gui/text/qrawfont_qpa.cpp b/src/gui/text/qrawfont_qpa.cpp new file mode 100644 index 0000000000..103619c37d --- /dev/null +++ b/src/gui/text/qrawfont_qpa.cpp @@ -0,0 +1,69 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/qglobal.h> + +#if !defined(QT_NO_RAWFONT) + +#include "qrawfont_p.h" +#include <QtGui/qplatformfontdatabase_qpa.h> +#include <private/qapplication_p.h> + +QT_BEGIN_NAMESPACE + +void QRawFontPrivate::platformCleanUp() +{ +} + +void QRawFontPrivate::platformLoadFromData(const QByteArray &fontData, int pixelSize, + QFont::HintingPreference hintingPreference) +{ + Q_ASSERT(fontEngine == 0); + + QPlatformFontDatabase *pfdb = QApplicationPrivate::platformIntegration()->fontDatabase(); + fontEngine = pfdb->fontEngine(fontData, pixelSize, hintingPreference); + if (fontEngine != 0) + fontEngine->ref.ref(); +} + +QT_END_NAMESPACE + +#endif // QT_NO_RAWFONT diff --git a/src/gui/text/qrawfont_win.cpp b/src/gui/text/qrawfont_win.cpp index fb5c6f46b6..d8acf57431 100644 --- a/src/gui/text/qrawfont_win.cpp +++ b/src/gui/text/qrawfont_win.cpp @@ -559,7 +559,7 @@ void QRawFontPrivate::platformLoadFromData(const QByteArray &_fontData, GUID guid; CoCreateGuid(&guid); - uniqueFamilyName = QString::fromLatin1("f") + QString uniqueFamilyName = QString::fromLatin1("f") + QString::number(guid.Data1, 36) + QLatin1Char('-') + QString::number(guid.Data2, 36) + QLatin1Char('-') + QString::number(guid.Data3, 36) + QLatin1Char('-') @@ -613,6 +613,7 @@ void QRawFontPrivate::platformLoadFromData(const QByteArray &_fontData, Q_ASSERT(fontEngine->cache_count == 0 && fontEngine->ref == 0); // Override the generated font name + static_cast<QFontEngineWin *>(fontEngine)->uniqueFamilyName = uniqueFamilyName; fontEngine->fontDef.family = actualFontName; fontEngine->ref.ref(); } @@ -701,50 +702,6 @@ void QRawFontPrivate::platformLoadFromData(const QByteArray &_fontData, } } -void QRawFontPrivate::platformSetPixelSize(int pixelSize) -{ - if (fontEngine == NULL) - return; - - QFontEngine *oldFontEngine = fontEngine; - -#if !defined(QT_NO_DIRECTWRITE) - if (fontEngine->type() == QFontEngine::Win) -#endif - - { - QFontDef request = fontEngine->fontDef; - QString actualFontName = request.family; - if (!uniqueFamilyName.isEmpty()) - request.family = uniqueFamilyName; - request.pixelSize = pixelSize; - - fontEngine = qt_load_font_engine_win(request); - if (fontEngine != NULL) { - fontEngine->fontDef.family = actualFontName; - fontEngine->ref.ref(); - } - } - -#if !defined(QT_NO_DIRECTWRITE) - else { - QFontEngineDirectWrite *dWriteFE = static_cast<QFontEngineDirectWrite *>(fontEngine); - fontEngine = new QFontEngineDirectWrite(dWriteFE->m_directWriteFactory, - dWriteFE->m_directWriteFontFace, - pixelSize); - - fontEngine->fontDef = dWriteFE->fontDef; - fontEngine->fontDef.pixelSize = pixelSize; - fontEngine->ref.ref(); - } -#endif - - Q_ASSERT(fontEngine != oldFontEngine); - oldFontEngine->ref.deref(); - if (oldFontEngine->cache_count == 0 && oldFontEngine->ref == 0) - delete oldFontEngine; -} - QT_END_NAMESPACE #endif // QT_NO_RAWFONT diff --git a/src/gui/text/qstatictext.cpp b/src/gui/text/qstatictext.cpp index 7508ad1212..397180cb2a 100644 --- a/src/gui/text/qstatictext.cpp +++ b/src/gui/text/qstatictext.cpp @@ -712,17 +712,13 @@ QStaticTextItem::~QStaticTextItem() { if (m_userData != 0 && !m_userData->ref.deref()) delete m_userData; - if (!m_fontEngine->ref.deref()) - delete m_fontEngine; + m_fontEngine->ref.deref(); } void QStaticTextItem::setFontEngine(QFontEngine *fe) { - if (m_fontEngine != 0) { - if (!m_fontEngine->ref.deref()) - delete m_fontEngine; - } - + if (m_fontEngine != 0) + m_fontEngine->ref.deref(); m_fontEngine = fe; if (m_fontEngine != 0) m_fontEngine->ref.ref(); diff --git a/src/gui/text/qtextcursor.cpp b/src/gui/text/qtextcursor.cpp index 6ddfdb00e1..4f6857a201 100644 --- a/src/gui/text/qtextcursor.cpp +++ b/src/gui/text/qtextcursor.cpp @@ -362,20 +362,23 @@ bool QTextCursorPrivate::movePosition(QTextCursor::MoveOperation op, QTextCursor currentCharFormat = -1; bool adjustX = true; QTextBlock blockIt = block(); + bool visualMovement = priv->defaultCursorMoveStyle == QTextCursor::Visual; if (!blockIt.isValid()) return false; - if (op >= QTextCursor::Left && op <= QTextCursor::WordRight - && blockIt.textDirection() == Qt::RightToLeft) { - if (op == QTextCursor::Left) - op = QTextCursor::NextCharacter; - else if (op == QTextCursor::Right) - op = QTextCursor::PreviousCharacter; - else if (op == QTextCursor::WordLeft) + if (blockIt.textDirection() == Qt::RightToLeft) { + if (op == QTextCursor::WordLeft) op = QTextCursor::NextWord; else if (op == QTextCursor::WordRight) op = QTextCursor::PreviousWord; + + if (!visualMovement) { + if (op == QTextCursor::Left) + op = QTextCursor::NextCharacter; + else if (op == QTextCursor::Right) + op = QTextCursor::PreviousCharacter; + } } const QTextLayout *layout = blockLayout(blockIt); @@ -418,9 +421,12 @@ bool QTextCursorPrivate::movePosition(QTextCursor::MoveOperation op, QTextCursor break; } case QTextCursor::PreviousCharacter: - case QTextCursor::Left: newPosition = priv->previousCursorPosition(position, QTextLayout::SkipCharacters); break; + case QTextCursor::Left: + newPosition = visualMovement ? priv->leftCursorPosition(position) + : priv->previousCursorPosition(position, QTextLayout::SkipCharacters); + break; case QTextCursor::StartOfWord: { if (relativePos == 0) break; @@ -529,9 +535,12 @@ bool QTextCursorPrivate::movePosition(QTextCursor::MoveOperation op, QTextCursor break; } case QTextCursor::NextCharacter: - case QTextCursor::Right: newPosition = priv->nextCursorPosition(position, QTextLayout::SkipCharacters); break; + case QTextCursor::Right: + newPosition = visualMovement ? priv->rightCursorPosition(position) + : priv->nextCursorPosition(position, QTextLayout::SkipCharacters); + break; case QTextCursor::NextWord: case QTextCursor::WordRight: newPosition = priv->nextCursorPosition(position, QTextLayout::SkipWords); @@ -2558,4 +2567,19 @@ QTextDocument *QTextCursor::document() const return 0; // document went away } +/*! + \enum QTextCursor::MoveStyle + + This enum describes the movement style available to QTextCursor. The options + are: + + \value Logical Within a left-to-right text block, increase cursor position + when pressing left arrow key, decrease cursor position when pressing the + right arrow key. If the text block is right-to-left, the opposite behavior + applies. + \value Visual Pressing the left arrow key will always cause the cursor to move + left, regardless of the text's writing direction. The same behavior applies to + right arrow key. +*/ + QT_END_NAMESPACE diff --git a/src/gui/text/qtextcursor.h b/src/gui/text/qtextcursor.h index 4eaeb41ee9..9e4c0b82df 100644 --- a/src/gui/text/qtextcursor.h +++ b/src/gui/text/qtextcursor.h @@ -86,6 +86,10 @@ public: MoveAnchor, KeepAnchor }; + enum MoveStyle { + Logical, + Visual + }; void setPosition(int pos, MoveMode mode = MoveAnchor); int position() const; diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp index c14eec0c19..910a439aec 100644 --- a/src/gui/text/qtextdocument.cpp +++ b/src/gui/text/qtextdocument.cpp @@ -585,6 +585,29 @@ void QTextDocument::setDefaultTextOption(const QTextOption &option) } /*! + \since 4.8 + + The default cursor movement style is used by all QTextCursor objects + created from the document. The default is QTextCursor::Logical. +*/ +QTextCursor::MoveStyle QTextDocument::defaultCursorMoveStyle() const +{ + Q_D(const QTextDocument); + return d->defaultCursorMoveStyle; +} + +/*! + \since 4.8 + + Set the default cursor movement style. +*/ +void QTextDocument::setDefaultCursorMoveStyle(QTextCursor::MoveStyle style) +{ + Q_D(QTextDocument); + d->defaultCursorMoveStyle = style; +} + +/*! \fn void QTextDocument::markContentsDirty(int position, int length) Marks the contents specified by the given \a position and \a length @@ -2075,6 +2098,10 @@ QString QTextHtmlExporter::toHtml(const QByteArray &encoding, ExportMode mode) html += QLatin1String(" font-size:"); html += QString::number(defaultCharFormat.fontPointSize()); html += QLatin1String("pt;"); + } else if (defaultCharFormat.hasProperty(QTextFormat::FontPixelSize)) { + html += QLatin1String(" font-size:"); + html += QString::number(defaultCharFormat.intProperty(QTextFormat::FontPixelSize)); + html += QLatin1String("px;"); } html += QLatin1String(" font-weight:"); @@ -2155,6 +2182,10 @@ bool QTextHtmlExporter::emitCharFormatStyle(const QTextCharFormat &format) html += QLatin1Char(';'); attributesEmitted = true; } + } else if (format.hasProperty(QTextFormat::FontPixelSize)) { + html += QLatin1String(" font-size:"); + html += QString::number(format.intProperty(QTextFormat::FontPixelSize)); + html += QLatin1String("px;"); } if (format.hasProperty(QTextFormat::FontWeight) diff --git a/src/gui/text/qtextdocument.h b/src/gui/text/qtextdocument.h index f87ccc91e8..e515b36cc0 100644 --- a/src/gui/text/qtextdocument.h +++ b/src/gui/text/qtextdocument.h @@ -46,6 +46,7 @@ #include <QtCore/qsize.h> #include <QtCore/qrect.h> #include <QtGui/qfont.h> +#include <QtGui/qtextcursor.h> QT_BEGIN_HEADER @@ -60,7 +61,6 @@ class QPainter; class QPrinter; class QAbstractTextDocumentLayout; class QPoint; -class QTextCursor; class QTextObject; class QTextFormat; class QTextFrame; @@ -269,6 +269,9 @@ public: QTextOption defaultTextOption() const; void setDefaultTextOption(const QTextOption &option); + QTextCursor::MoveStyle defaultCursorMoveStyle() const; + void setDefaultCursorMoveStyle(QTextCursor::MoveStyle style); + Q_SIGNALS: void contentsChange(int from, int charsRemoves, int charsAdded); void contentsChanged(); diff --git a/src/gui/text/qtextdocument_p.cpp b/src/gui/text/qtextdocument_p.cpp index a997720c12..779b1fff35 100644 --- a/src/gui/text/qtextdocument_p.cpp +++ b/src/gui/text/qtextdocument_p.cpp @@ -209,6 +209,7 @@ QTextDocumentPrivate::QTextDocumentPrivate() defaultTextOption.setTabStop(80); // same as in qtextengine.cpp defaultTextOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); + defaultCursorMoveStyle = QTextCursor::Logical; indentWidth = 40; documentMargin = 4; @@ -1382,6 +1383,20 @@ int QTextDocumentPrivate::previousCursorPosition(int position, QTextLayout::Curs return it.layout()->previousCursorPosition(position-start, mode) + start; } +int QTextDocumentPrivate::leftCursorPosition(int position) const +{ + QTextBlock it = blocksFind(position); + int start = it.position(); + return it.layout()->leftCursorPosition(position-start) + start; +} + +int QTextDocumentPrivate::rightCursorPosition(int position) const +{ + QTextBlock it = blocksFind(position); + int start = it.position(); + return it.layout()->rightCursorPosition(position-start) + start; +} + void QTextDocumentPrivate::changeObjectFormat(QTextObject *obj, int format) { beginEditBlock(); diff --git a/src/gui/text/qtextdocument_p.h b/src/gui/text/qtextdocument_p.h index b464f2ee40..6563920c95 100644 --- a/src/gui/text/qtextdocument_p.h +++ b/src/gui/text/qtextdocument_p.h @@ -64,6 +64,7 @@ #include "private/qtextformat_p.h" #include "QtGui/qtextdocument.h" #include "QtGui/qtextobject.h" +#include "QtGui/qtextcursor.h" #include "QtCore/qmap.h" #include "QtCore/qvariant.h" #include "QtCore/qurl.h" @@ -244,6 +245,8 @@ public: int nextCursorPosition(int position, QTextLayout::CursorMode mode) const; int previousCursorPosition(int position, QTextLayout::CursorMode mode) const; + int leftCursorPosition(int position) const; + int rightCursorPosition(int position) const; void changeObjectFormat(QTextObject *group, int format); @@ -339,6 +342,7 @@ private: public: QTextOption defaultTextOption; + QTextCursor::MoveStyle defaultCursorMoveStyle; #ifndef QT_NO_CSSPARSER QCss::StyleSheet parsedDefaultStyleSheet; #endif diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp index b53dfe1547..450f7e100a 100644 --- a/src/gui/text/qtextdocumentlayout.cpp +++ b/src/gui/text/qtextdocumentlayout.cpp @@ -2996,10 +2996,19 @@ void QTextDocumentLayout::resizeInlineObject(QTextInlineObject item, int posInDo QSizeF inlineSize = (pos == QTextFrameFormat::InFlow ? intrinsic : QSizeF(0, 0)); item.setWidth(inlineSize.width()); - if (f.verticalAlignment() == QTextCharFormat::AlignMiddle) { + + QFontMetrics m(f.font()); + switch (f.verticalAlignment()) + { + case QTextCharFormat::AlignMiddle: item.setDescent(inlineSize.height() / 2); item.setAscent(inlineSize.height() / 2 - 1); - } else { + break; + case QTextCharFormat::AlignBaseline: + item.setDescent(m.descent()); + item.setAscent(inlineSize.height() - m.descent() - 1); + break; + default: item.setDescent(0); item.setAscent(inlineSize.height() - 1); } diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp index 64f45a27e0..b0713bb0e4 100644 --- a/src/gui/text/qtextengine.cpp +++ b/src/gui/text/qtextengine.cpp @@ -856,6 +856,21 @@ void QTextEngine::shapeLine(const QScriptLine &line) } } +#if !defined(QT_ENABLE_HARFBUZZ_FOR_MAC) +static bool enableHarfBuzz() +{ + static enum { Yes, No, Unknown } status = Unknown; + + if (status == Unknown) { + QByteArray v = qgetenv("QT_ENABLE_HARFBUZZ"); + bool value = !v.isEmpty() && v != "0" && v != "false"; + if (value) status = Yes; + else status = No; + } + return status == Yes; +} +#endif + void QTextEngine::shapeText(int item) const { Q_ASSERT(item < layoutData->items.size()); @@ -865,7 +880,24 @@ void QTextEngine::shapeText(int item) const return; #if defined(Q_WS_MAC) - shapeTextMac(item); +#if !defined(QT_ENABLE_HARFBUZZ_FOR_MAC) + if (enableHarfBuzz()) { +#endif + QFontEngine *actualFontEngine = fontEngine(si, &si.ascent, &si.descent, &si.leading); + if (actualFontEngine->type() == QFontEngine::Multi) + actualFontEngine = static_cast<QFontEngineMulti *>(actualFontEngine)->engine(0); + + HB_Face face = actualFontEngine->harfbuzzFace(); + HB_Script script = (HB_Script) si.analysis.script; + if (face->supported_scripts[script]) + shapeTextWithHarfbuzz(item); + else + shapeTextMac(item); +#if !defined(QT_ENABLE_HARFBUZZ_FOR_MAC) + } else { + shapeTextMac(item); + } +#endif #elif defined(Q_WS_WINCE) shapeTextWithCE(item); #else @@ -1242,6 +1274,10 @@ void QTextEngine::shapeTextWithHarfbuzz(int item) const actualFontEngine = static_cast<QFontEngineMulti *>(font)->engine(engineIdx); } + si.ascent = qMax(actualFontEngine->ascent(), si.ascent); + si.descent = qMax(actualFontEngine->descent(), si.descent); + si.leading = qMax(actualFontEngine->leading(), si.leading); + shaper_item.font = actualFontEngine->harfbuzzFont(); shaper_item.face = actualFontEngine->harfbuzzFace(); @@ -1304,6 +1340,7 @@ static void init(QTextEngine *e) e->ignoreBidi = false; e->cacheGlyphs = false; e->forceJustification = false; + e->visualMovement = false; e->layoutData = 0; @@ -1565,6 +1602,8 @@ bool QTextEngine::isRightToLeft() const default: break; } + if (!layoutData) + itemize(); // this places the cursor in the right position depending on the keyboard layout if (layoutData->string.isEmpty()) return QGuiApplication::keyboardInputDirection() == Qt::RightToLeft; @@ -2737,6 +2776,182 @@ QFixed QTextEngine::leadingSpaceWidth(const QScriptLine &line) return width(line.from + pos, line.length - pos); } +QFixed QTextEngine::alignLine(const QScriptLine &line) +{ + QFixed x = 0; + justify(line); + // if width is QFIXED_MAX that means we used setNumColumns() and that implicitly makes this line left aligned. + if (!line.justified && line.width != QFIXED_MAX) { + int align = option.alignment(); + if (align & Qt::AlignLeft) + x -= leadingSpaceWidth(line); + if (align & Qt::AlignJustify && isRightToLeft()) + align = Qt::AlignRight; + if (align & Qt::AlignRight) + x = line.width - (line.textAdvance + leadingSpaceWidth(line)); + else if (align & Qt::AlignHCenter) + x = (line.width - (line.textAdvance + leadingSpaceWidth(line)))/2; + } + return x; +} + +QFixed QTextEngine::offsetInLigature(const QScriptItem *si, int pos, int max, int glyph_pos) +{ + unsigned short *logClusters = this->logClusters(si); + const QGlyphLayout &glyphs = shapedGlyphs(si); + + int offsetInCluster = 0; + for (int i = pos - 1; i >= 0; i--) { + if (logClusters[i] == glyph_pos) + offsetInCluster++; + else + break; + } + + // in the case that the offset is inside a (multi-character) glyph, + // interpolate the position. + if (offsetInCluster > 0) { + int clusterLength = 0; + for (int i = pos - offsetInCluster; i < max; i++) { + if (logClusters[i] == glyph_pos) + clusterLength++; + else + break; + } + if (clusterLength) + return glyphs.advances_x[glyph_pos] * offsetInCluster / clusterLength; + } + + return 0; +} + +int QTextEngine::previousLogicalPosition(int oldPos) const +{ + const HB_CharAttributes *attrs = attributes(); + if (!attrs || oldPos < 0) + return oldPos; + + if (oldPos <= 0) + return 0; + oldPos--; + while (oldPos && !attrs[oldPos].charStop) + oldPos--; + return oldPos; +} + +int QTextEngine::nextLogicalPosition(int oldPos) const +{ + const HB_CharAttributes *attrs = attributes(); + int len = block.isValid() ? block.length() - 1 + : layoutData->string.length(); + Q_ASSERT(len <= layoutData->string.length()); + if (!attrs || oldPos < 0 || oldPos >= len) + return oldPos; + + oldPos++; + while (oldPos < len && !attrs[oldPos].charStop) + oldPos++; + return oldPos; +} + +int QTextEngine::lineNumberForTextPosition(int pos) +{ + if (!layoutData) + itemize(); + if (pos == layoutData->string.length() && lines.size()) + return lines.size() - 1; + for (int i = 0; i < lines.size(); ++i) { + const QScriptLine& line = lines[i]; + if (line.from + line.length > pos) + return i; + } + return -1; +} + +void QTextEngine::insertionPointsForLine(int lineNum, QVector<int> &insertionPoints) +{ + QTextLineItemIterator iterator(this, lineNum); + bool rtl = isRightToLeft(); + bool lastLine = lineNum >= lines.size() - 1; + + while (!iterator.atEnd()) { + iterator.next(); + const QScriptItem *si = &layoutData->items[iterator.item]; + if (si->analysis.bidiLevel % 2) { + int i = iterator.itemEnd - 1, min = iterator.itemStart; + if (lastLine && (rtl ? iterator.atBeginning() : iterator.atEnd())) + i++; + for (; i >= min; i--) + insertionPoints.push_back(i); + } else { + int i = iterator.itemStart, max = iterator.itemEnd; + if (lastLine && (rtl ? iterator.atBeginning() : iterator.atEnd())) + max++; + for (; i < max; i++) + insertionPoints.push_back(i); + } + } +} + +int QTextEngine::endOfLine(int lineNum) +{ + QVector<int> insertionPoints; + insertionPointsForLine(lineNum, insertionPoints); + + if (insertionPoints.size() > 0) + return insertionPoints.last(); + return 0; +} + +int QTextEngine::beginningOfLine(int lineNum) +{ + QVector<int> insertionPoints; + insertionPointsForLine(lineNum, insertionPoints); + + if (insertionPoints.size() > 0) + return insertionPoints.first(); + return 0; +} + +int QTextEngine::positionAfterVisualMovement(int pos, QTextCursor::MoveOperation op) +{ + if (!layoutData) + itemize(); + + bool moveRight = (op == QTextCursor::Right); + bool alignRight = isRightToLeft(); + if (!layoutData->hasBidi) + return moveRight ^ alignRight ? nextLogicalPosition(pos) : previousLogicalPosition(pos); + + int lineNum = lineNumberForTextPosition(pos); + Q_ASSERT(lineNum >= 0); + + QVector<int> insertionPoints; + insertionPointsForLine(lineNum, insertionPoints); + int i, max = insertionPoints.size(); + for (i = 0; i < max; i++) + if (pos == insertionPoints[i]) { + if (moveRight) { + if (i + 1 < max) + return insertionPoints[i + 1]; + } else { + if (i > 0) + return insertionPoints[i - 1]; + } + + if (moveRight ^ alignRight) { + if (lineNum + 1 < lines.size()) + return alignRight ? endOfLine(lineNum + 1) : beginningOfLine(lineNum + 1); + } + else { + if (lineNum > 0) + return alignRight ? beginningOfLine(lineNum - 1) : endOfLine(lineNum - 1); + } + } + + return pos; +} + QStackTextEngine::QStackTextEngine(const QString &string, const QFont &f) : QTextEngine(string, f), _layoutData(string, _memory, MemSize) @@ -2841,5 +3056,127 @@ glyph_metrics_t glyph_metrics_t::transformed(const QTransform &matrix) const return m; } +QTextLineItemIterator::QTextLineItemIterator(QTextEngine *_eng, int _lineNum, const QPointF &pos, + const QTextLayout::FormatRange *_selection) + : eng(_eng), + line(eng->lines[_lineNum]), + si(0), + lineNum(_lineNum), + lineEnd(line.from + line.length), + firstItem(eng->findItem(line.from)), + lastItem(eng->findItem(lineEnd - 1)), + nItems((firstItem >= 0 && lastItem >= firstItem)? (lastItem-firstItem+1) : 0), + logicalItem(-1), + item(-1), + visualOrder(nItems), + levels(nItems), + selection(_selection) +{ + pos_x = x = QFixed::fromReal(pos.x()); + + x += line.x; + + x += eng->alignLine(line); + + for (int i = 0; i < nItems; ++i) + levels[i] = eng->layoutData->items[i+firstItem].analysis.bidiLevel; + QTextEngine::bidiReorder(nItems, levels.data(), visualOrder.data()); + + eng->shapeLine(line); +} + +QScriptItem &QTextLineItemIterator::next() +{ + x += itemWidth; + + ++logicalItem; + item = visualOrder[logicalItem] + firstItem; + itemLength = eng->length(item); + si = &eng->layoutData->items[item]; + if (!si->num_glyphs) + eng->shape(item); + + if (si->analysis.flags >= QScriptAnalysis::TabOrObject) { + itemWidth = si->width; + return *si; + } + + unsigned short *logClusters = eng->logClusters(si); + QGlyphLayout glyphs = eng->shapedGlyphs(si); + + itemStart = qMax(line.from, si->position); + glyphsStart = logClusters[itemStart - si->position]; + if (lineEnd < si->position + itemLength) { + itemEnd = lineEnd; + glyphsEnd = logClusters[itemEnd-si->position]; + } else { + itemEnd = si->position + itemLength; + glyphsEnd = si->num_glyphs; + } + // show soft-hyphen at line-break + if (si->position + itemLength >= lineEnd + && eng->layoutData->string.at(lineEnd - 1) == 0x00ad) + glyphs.attributes[glyphsEnd - 1].dontPrint = false; + + itemWidth = 0; + for (int g = glyphsStart; g < glyphsEnd; ++g) + itemWidth += glyphs.effectiveAdvance(g); + + return *si; +} + +bool QTextLineItemIterator::getSelectionBounds(QFixed *selectionX, QFixed *selectionWidth) const +{ + *selectionX = *selectionWidth = 0; + + if (!selection) + return false; + + if (si->analysis.flags >= QScriptAnalysis::TabOrObject) { + if (si->position >= selection->start + selection->length + || si->position + itemLength <= selection->start) + return false; + + *selectionX = x; + *selectionWidth = itemWidth; + } else { + unsigned short *logClusters = eng->logClusters(si); + QGlyphLayout glyphs = eng->shapedGlyphs(si); + + int from = qMax(itemStart, selection->start) - si->position; + int to = qMin(itemEnd, selection->start + selection->length) - si->position; + if (from >= to) + return false; + + int start_glyph = logClusters[from]; + int end_glyph = (to == eng->length(item)) ? si->num_glyphs : logClusters[to]; + QFixed soff; + QFixed swidth; + if (si->analysis.bidiLevel %2) { + for (int g = glyphsEnd - 1; g >= end_glyph; --g) + soff += glyphs.effectiveAdvance(g); + for (int g = end_glyph - 1; g >= start_glyph; --g) + swidth += glyphs.effectiveAdvance(g); + } else { + for (int g = glyphsStart; g < start_glyph; ++g) + soff += glyphs.effectiveAdvance(g); + for (int g = start_glyph; g < end_glyph; ++g) + swidth += glyphs.effectiveAdvance(g); + } + + // If the starting character is in the middle of a ligature, + // selection should only contain the right part of that ligature + // glyph, so we need to get the width of the left part here and + // add it to *selectionX + QFixed leftOffsetInLigature = eng->offsetInLigature(si, from, to, start_glyph); + *selectionX = x + soff + leftOffsetInLigature; + *selectionWidth = swidth - leftOffsetInLigature; + // If the ending character is also part of a ligature, swidth does + // not contain that part yet, we also need to find out the width of + // that left part + *selectionWidth += eng->offsetInLigature(si, to, eng->length(item), end_glyph); + } + return true; +} QT_END_NAMESPACE diff --git a/src/gui/text/qtextengine_mac.cpp b/src/gui/text/qtextengine_mac.cpp index 97e8c5b0f8..2c6e579b45 100644 --- a/src/gui/text/qtextengine_mac.cpp +++ b/src/gui/text/qtextengine_mac.cpp @@ -605,11 +605,11 @@ void QTextEngine::shapeTextMac(int item) const unsigned short *log_clusters = logClusters(&si); bool stringToCMapFailed = false; - if (!fe->stringToCMap(str, len, &g, &num_glyphs, flags, log_clusters, attributes())) { + if (!fe->stringToCMap(str, len, &g, &num_glyphs, flags, log_clusters, attributes(), &si)) { ensureSpace(num_glyphs); g = availableGlyphs(&si); stringToCMapFailed = !fe->stringToCMap(str, len, &g, &num_glyphs, flags, log_clusters, - attributes()); + attributes(), &si); } if (!stringToCMapFailed) { diff --git a/src/gui/text/qtextengine_p.h b/src/gui/text/qtextengine_p.h index 366c5c3207..c476485c1d 100644 --- a/src/gui/text/qtextengine_p.h +++ b/src/gui/text/qtextengine_p.h @@ -64,6 +64,7 @@ #include "QtGui/qpaintengine.h" #include "QtGui/qtextobject.h" #include "QtGui/qtextoption.h" +#include "QtGui/qtextcursor.h" #include "QtCore/qset.h" #include "QtCore/qdebug.h" #ifndef QT_BUILD_COMPAT_LIB @@ -471,6 +472,7 @@ public: void shape(int item) const; void justify(const QScriptLine &si); + QFixed alignLine(const QScriptLine &line); QFixed width(int charFrom, int numChars) const; glyph_metrics_t boundingBox(int from, int len) const; @@ -586,12 +588,18 @@ public: uint cacheGlyphs : 1; uint stackEngine : 1; uint forceJustification : 1; + uint visualMovement : 1; int *underlinePositions; mutable LayoutData *layoutData; inline bool hasFormats() const { return (block.docHandle() || specialData); } + inline bool visualCursorMovement() const + { + return (visualMovement || + (block.docHandle() ? block.docHandle()->defaultCursorMoveStyle == QTextCursor::Visual : false)); + } struct SpecialData { int preeditPosition; @@ -611,6 +619,13 @@ public: void shapeLine(const QScriptLine &line); QFixed leadingSpaceWidth(const QScriptLine &line); + QFixed offsetInLigature(const QScriptItem *si, int pos, int max, int glyph_pos); + int previousLogicalPosition(int oldPos) const; + int nextLogicalPosition(int oldPos) const; + int lineNumberForTextPosition(int pos); + int positionAfterVisualMovement(int oldPos, QTextCursor::MoveOperation op); + void insertionPointsForLine(int lineNum, QVector<int> &insertionPoints); + private: void setBoundary(int strPos) const; void addRequiredBoundaries() const; @@ -625,6 +640,8 @@ private: void splitItem(int item, int pos) const; void resolveAdditionalFormats() const; + int endOfLine(int lineNum); + int beginningOfLine(int lineNum); }; class QStackTextEngine : public QTextEngine { @@ -635,6 +652,49 @@ public: void *_memory[MemSize]; }; +struct QTextLineItemIterator +{ + QTextLineItemIterator(QTextEngine *eng, int lineNum, const QPointF &pos = QPointF(), + const QTextLayout::FormatRange *_selection = 0); + + inline bool atEnd() const { return logicalItem >= nItems - 1; } + inline bool atBeginning() const { return logicalItem <= 0; } + QScriptItem &next(); + + bool getSelectionBounds(QFixed *selectionX, QFixed *selectionWidth) const; + inline bool isOutsideSelection() const { + QFixed tmp1, tmp2; + return !getSelectionBounds(&tmp1, &tmp2); + } + + QTextEngine *eng; + + QFixed x; + QFixed pos_x; + const QScriptLine &line; + QScriptItem *si; + + int lineNum; + int lineEnd; + int firstItem; + int lastItem; + int nItems; + int logicalItem; + int item; + int itemLength; + + int glyphsStart; + int glyphsEnd; + int itemStart; + int itemEnd; + + QFixed itemWidth; + + QVarLengthArray<int> visualOrder; + QVarLengthArray<uchar> levels; + + const QTextLayout::FormatRange *selection; +}; Q_DECLARE_OPERATORS_FOR_FLAGS(QTextEngine::ShaperFlags) diff --git a/src/gui/text/qtextformat.h b/src/gui/text/qtextformat.h index ff28eaa1b2..4f4752a26a 100644 --- a/src/gui/text/qtextformat.h +++ b/src/gui/text/qtextformat.h @@ -378,7 +378,8 @@ public: AlignSubScript, AlignMiddle, AlignTop, - AlignBottom + AlignBottom, + AlignBaseline }; enum UnderlineStyle { // keep in sync with Qt::PenStyle! NoUnderline, diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp index 66b0427d4d..551ef69203 100644 --- a/src/gui/text/qtextlayout.cpp +++ b/src/gui/text/qtextlayout.cpp @@ -70,23 +70,6 @@ QT_BEGIN_NAMESPACE #define SuppressText 0x5012 #define SuppressBackground 0x513 -static QFixed alignLine(QTextEngine *eng, const QScriptLine &line) -{ - QFixed x = 0; - eng->justify(line); - // if width is QFIXED_MAX that means we used setNumColumns() and that implicitly makes this line left aligned. - if (!line.justified && line.width != QFIXED_MAX) { - int align = eng->option.alignment(); - if (align & Qt::AlignJustify && eng->isRightToLeft()) - align = Qt::AlignRight; - if (align & Qt::AlignRight) - x = line.width - (line.textAdvance + eng->leadingSpaceWidth(line)); - else if (align & Qt::AlignHCenter) - x = (line.width - line.textAdvance)/2; - } - return x; -} - /*! \class QTextLayout::FormatRange \reentrant @@ -594,6 +577,30 @@ bool QTextLayout::cacheEnabled() const } /*! + Set the visual cursor movement style. If the QTextLayout is backed by + a document, you can ignore this and use the option in QTextDocument, + this option is for widgets like QLineEdit or custom widgets without + a QTextDocument. Default value is QTextCursor::Logical. + + \sa setCursorMoveStyle() +*/ +void QTextLayout::setCursorMoveStyle(QTextCursor::MoveStyle style) +{ + d->visualMovement = style == QTextCursor::Visual ? true : false; +} + +/*! + The cursor movement style of this QTextLayout. The default is + QTextCursor::Logical. + + \sa setCursorMoveStyle() +*/ +QTextCursor::MoveStyle QTextLayout::cursorMoveStyle() const +{ + return d->visualMovement ? QTextCursor::Visual : QTextCursor::Logical; +} + +/*! Begins the layout process. \sa endLayout() @@ -716,6 +723,34 @@ int QTextLayout::previousCursorPosition(int oldPos, CursorMode mode) const } /*! + Returns the cursor position to the right of \a oldPos, next to it. + It's dependent on the visual position of characters, after bi-directional + reordering. + + \sa leftCursorPosition(), nextCursorPosition() +*/ +int QTextLayout::rightCursorPosition(int oldPos) const +{ + int newPos = d->positionAfterVisualMovement(oldPos, QTextCursor::Right); +// qDebug("%d -> %d", oldPos, newPos); + return newPos; +} + +/*! + Returns the cursor position to the left of \a oldPos, next to it. + It's dependent on the visual position of characters, after bi-directional + reordering. + + \sa rightCursorPosition(), previousCursorPosition() +*/ +int QTextLayout::leftCursorPosition(int oldPos) const +{ + int newPos = d->positionAfterVisualMovement(oldPos, QTextCursor::Left); +// qDebug("%d -> %d", oldPos, newPos); + return newPos; +} + +/*!/ Returns true if position \a pos is a valid cursor position. In a Unicode context some positions in the text are not valid @@ -813,16 +848,8 @@ QTextLine QTextLayout::lineAt(int i) const */ QTextLine QTextLayout::lineForTextPosition(int pos) const { - for (int i = 0; i < d->lines.size(); ++i) { - const QScriptLine& line = d->lines[i]; - if (line.from + (int)line.length > pos) - return QTextLine(i, d); - } - if (!d->layoutData) - d->itemize(); - if (pos == d->layoutData->string.length() && d->lines.size()) - return QTextLine(d->lines.size()-1, d); - return QTextLine(); + int lineNum = d->lineNumberForTextPosition(pos); + return lineNum >= 0 ? lineAt(lineNum) : QTextLine(); } /*! @@ -917,201 +944,6 @@ void QTextLayout::setFlags(int flags) } } -struct QTextLineItemIterator -{ - QTextLineItemIterator(QTextEngine *eng, int lineNum, const QPointF &pos = QPointF(), - const QTextLayout::FormatRange *_selection = 0); - - inline bool atEnd() const { return logicalItem >= nItems - 1; } - QScriptItem &next(); - - bool getSelectionBounds(QFixed *selectionX, QFixed *selectionWidth) const; - inline bool isOutsideSelection() const { - QFixed tmp1, tmp2; - return !getSelectionBounds(&tmp1, &tmp2); - } - - QTextEngine *eng; - - QFixed x; - QFixed pos_x; - const QScriptLine &line; - QScriptItem *si; - - int lineEnd; - int firstItem; - int lastItem; - int nItems; - int logicalItem; - int item; - int itemLength; - - int glyphsStart; - int glyphsEnd; - int itemStart; - int itemEnd; - - QFixed itemWidth; - - QVarLengthArray<int> visualOrder; - QVarLengthArray<uchar> levels; - - const QTextLayout::FormatRange *selection; -}; - -QTextLineItemIterator::QTextLineItemIterator(QTextEngine *_eng, int lineNum, const QPointF &pos, - const QTextLayout::FormatRange *_selection) - : eng(_eng), - line(eng->lines[lineNum]), - si(0), - lineEnd(line.from + line.length), - firstItem(eng->findItem(line.from)), - lastItem(eng->findItem(lineEnd - 1)), - nItems((firstItem >= 0 && lastItem >= firstItem)? (lastItem-firstItem+1) : 0), - logicalItem(-1), - item(-1), - visualOrder(nItems), - levels(nItems), - selection(_selection) -{ - pos_x = x = QFixed::fromReal(pos.x()); - - x += line.x; - - x += alignLine(eng, line); - - for (int i = 0; i < nItems; ++i) - levels[i] = eng->layoutData->items[i+firstItem].analysis.bidiLevel; - QTextEngine::bidiReorder(nItems, levels.data(), visualOrder.data()); - - eng->shapeLine(line); -} - -QScriptItem &QTextLineItemIterator::next() -{ - x += itemWidth; - - ++logicalItem; - item = visualOrder[logicalItem] + firstItem; - itemLength = eng->length(item); - si = &eng->layoutData->items[item]; - if (!si->num_glyphs) - eng->shape(item); - - if (si->analysis.flags >= QScriptAnalysis::TabOrObject) { - itemWidth = si->width; - return *si; - } - - unsigned short *logClusters = eng->logClusters(si); - QGlyphLayout glyphs = eng->shapedGlyphs(si); - - itemStart = qMax(line.from, si->position); - glyphsStart = logClusters[itemStart - si->position]; - if (lineEnd < si->position + itemLength) { - itemEnd = lineEnd; - glyphsEnd = logClusters[itemEnd-si->position]; - } else { - itemEnd = si->position + itemLength; - glyphsEnd = si->num_glyphs; - } - // show soft-hyphen at line-break - if (si->position + itemLength >= lineEnd - && eng->layoutData->string.at(lineEnd - 1) == 0x00ad) - glyphs.attributes[glyphsEnd - 1].dontPrint = false; - - itemWidth = 0; - for (int g = glyphsStart; g < glyphsEnd; ++g) - itemWidth += glyphs.effectiveAdvance(g); - - return *si; -} - -static QFixed offsetInLigature(const unsigned short *logClusters, - const QGlyphLayout &glyphs, - int pos, int max, int glyph_pos) -{ - int offsetInCluster = 0; - for (int i = pos - 1; i >= 0; i--) { - if (logClusters[i] == glyph_pos) - offsetInCluster++; - else - break; - } - - // in the case that the offset is inside a (multi-character) glyph, - // interpolate the position. - if (offsetInCluster > 0) { - int clusterLength = 0; - for (int i = pos - offsetInCluster; i < max; i++) { - if (logClusters[i] == glyph_pos) - clusterLength++; - else - break; - } - if (clusterLength) - return glyphs.advances_x[glyph_pos] * offsetInCluster / clusterLength; - } - - return 0; -} - -bool QTextLineItemIterator::getSelectionBounds(QFixed *selectionX, QFixed *selectionWidth) const -{ - *selectionX = *selectionWidth = 0; - - if (!selection) - return false; - - if (si->analysis.flags >= QScriptAnalysis::TabOrObject) { - if (si->position >= selection->start + selection->length - || si->position + itemLength <= selection->start) - return false; - - *selectionX = x; - *selectionWidth = itemWidth; - } else { - unsigned short *logClusters = eng->logClusters(si); - QGlyphLayout glyphs = eng->shapedGlyphs(si); - - int from = qMax(itemStart, selection->start) - si->position; - int to = qMin(itemEnd, selection->start + selection->length) - si->position; - if (from >= to) - return false; - - int start_glyph = logClusters[from]; - int end_glyph = (to == eng->length(item)) ? si->num_glyphs : logClusters[to]; - QFixed soff; - QFixed swidth; - if (si->analysis.bidiLevel %2) { - for (int g = glyphsEnd - 1; g >= end_glyph; --g) - soff += glyphs.effectiveAdvance(g); - for (int g = end_glyph - 1; g >= start_glyph; --g) - swidth += glyphs.effectiveAdvance(g); - } else { - for (int g = glyphsStart; g < start_glyph; ++g) - soff += glyphs.effectiveAdvance(g); - for (int g = start_glyph; g < end_glyph; ++g) - swidth += glyphs.effectiveAdvance(g); - } - - // If the starting character is in the middle of a ligature, - // selection should only contain the right part of that ligature - // glyph, so we need to get the width of the left part here and - // add it to *selectionX - QFixed leftOffsetInLigature = offsetInLigature(logClusters, glyphs, from, - to, start_glyph); - *selectionX = x + soff + leftOffsetInLigature; - *selectionWidth = swidth - leftOffsetInLigature; - // If the ending character is also part of a ligature, swidth does - // not contain that part yet, we also need to find out the width of - // that left part - *selectionWidth += offsetInLigature(logClusters, glyphs, to, - eng->length(item), end_glyph); - } - return true; -} - static void addSelectedRegionsToPath(QTextEngine *eng, int lineNumber, const QPointF &pos, QTextLayout::FormatRange *selection, QPainterPath *region, QRectF boundingRect) { @@ -1226,6 +1058,7 @@ void QTextLayout::draw(QPainter *p, const QPointF &pos, const QVector<FormatRang QRectF lineRect(tl.naturalTextRect()); lineRect.translate(position); + lineRect.adjust(0, 0, d->leadingSpaceWidth(sl).toReal(), 0); bool isLastLineInBlock = (line == d->lines.size()-1); int sl_length = sl.length + (isLastLineInBlock? 1 : 0); // the infamous newline @@ -1380,18 +1213,9 @@ void QTextLayout::drawCursor(QPainter *p, const QPointF &pos, int cursorPosition QFixed pos_y = QFixed::fromReal(position.y()); cursorPosition = qBound(0, cursorPosition, d->layoutData->string.length()); - int line = 0; - if (cursorPosition == d->layoutData->string.length()) { - line = d->lines.size() - 1; - } else { - // ### binary search - for (line = 0; line < d->lines.size(); line++) { - const QScriptLine &sl = d->lines[line]; - if (sl.from <= cursorPosition && sl.from + (int)sl.length > cursorPosition) - break; - } - } - + int line = d->lineNumberForTextPosition(cursorPosition); + if (line < 0) + line = 0; if (line >= d->lines.size()) return; @@ -1400,7 +1224,15 @@ void QTextLayout::drawCursor(QPainter *p, const QPointF &pos, int cursorPosition qreal x = position.x() + l.cursorToX(cursorPosition); - int itm = d->findItem(cursorPosition - 1); + int itm; + + if (d->visualCursorMovement()) { + if (cursorPosition == sl.from + sl.length) + cursorPosition--; + itm = d->findItem(cursorPosition); + } else + itm = d->findItem(cursorPosition - 1); + QFixed base = sl.base(); QFixed descent = sl.descent; bool rightToLeft = d->isRightToLeft(); @@ -1510,7 +1342,7 @@ QRectF QTextLine::rect() const QRectF QTextLine::naturalTextRect() const { const QScriptLine& sl = eng->lines[i]; - QFixed x = sl.x + alignLine(eng, sl); + QFixed x = sl.x + eng->alignLine(sl); QFixed width = sl.textWidth; if (sl.justified) @@ -2315,6 +2147,9 @@ QList<QGlyphs> QTextLine::glyphs(int from, int length) const QGlyphLayout subLayout = glyphLayout.mid(start, end - start); glyphLayoutHash.insertMulti(multiFontEngine->engine(which), GlyphInfo(subLayout, pos, flags)); + for (int i = 0; i < subLayout.numGlyphs; i++) + pos += QPointF(subLayout.advances_x[i].toReal(), + subLayout.advances_y[i].toReal()); start = end; which = e; @@ -2630,9 +2465,10 @@ qreal QTextLine::cursorToX(int *cursorPos, Edge edge) const eng->itemize(); const QScriptLine &line = eng->lines[i]; + bool lastLine = i >= eng->lines.size() - 1; QFixed x = line.x; - x += alignLine(eng, line); + x += eng->alignLine(line); if (!i && !eng->layoutData->items.size()) { *cursorPos = 0; @@ -2718,21 +2554,29 @@ qreal QTextLine::cursorToX(int *cursorPos, Edge edge) const logClusters = eng->logClusters(si); glyphs = eng->shapedGlyphs(si); if (si->analysis.flags >= QScriptAnalysis::TabOrObject) { - if(pos == l) + if (pos == (reverse ? 0 : l)) x += si->width; } else { + bool rtl = eng->isRightToLeft(); + bool visual = eng->visualCursorMovement(); if (reverse) { int end = qMin(lineEnd, si->position + l) - si->position; int glyph_end = end == l ? si->num_glyphs : logClusters[end]; - for (int i = glyph_end - 1; i >= glyph_pos; i--) + int glyph_start = glyph_pos; + if (visual && !rtl && !(lastLine && itm == (visualOrder[nItems - 1] + firstItem))) + glyph_start++; + for (int i = glyph_end - 1; i >= glyph_start; i--) x += glyphs.effectiveAdvance(i); } else { int start = qMax(line.from - si->position, 0); int glyph_start = logClusters[start]; - for (int i = glyph_start; i < glyph_pos; i++) + int glyph_end = glyph_pos; + if (!visual || !rtl || (lastLine && itm == visualOrder[0] + firstItem)) + glyph_end--; + for (int i = glyph_start; i <= glyph_end; i++) x += glyphs.effectiveAdvance(i); } - x += offsetInLigature(logClusters, glyphs, pos, line.length, glyph_pos); + x += eng->offsetInLigature(si, pos, line.length, glyph_pos); } *cursorPos = pos + si->position; @@ -2751,6 +2595,8 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const { QFixed x = QFixed::fromReal(_x); const QScriptLine &line = eng->lines[i]; + bool lastLine = i >= eng->lines.size() - 1; + int lineNum = i; if (!eng->layoutData) eng->itemize(); @@ -2768,7 +2614,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const return 0; x -= line.x; - x -= alignLine(eng, line); + x -= eng->alignLine(line); // qDebug("xToCursor: x=%f, cpos=%d", x.toReal(), cpos); QVarLengthArray<int> visualOrder(nItems); @@ -2777,6 +2623,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const levels[i] = eng->layoutData->items[i+firstItem].analysis.bidiLevel; QTextEngine::bidiReorder(nItems, levels.data(), visualOrder.data()); + bool visual = eng->visualCursorMovement(); if (x <= 0) { // left of first item int item = visualOrder[0]+firstItem; @@ -2793,8 +2640,13 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const || (line.justified && x < line.width)) { // has to be in one of the runs QFixed pos; + bool rtl = eng->isRightToLeft(); eng->shapeLine(line); + QVector<int> insertionPoints; + if (visual && rtl) + eng->insertionPointsForLine(lineNum, insertionPoints); + int nchars = 0; for (int i = 0; i < nItems; ++i) { int item = visualOrder[i]+firstItem; QScriptItem &si = eng->layoutData->items[item]; @@ -2824,6 +2676,7 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const if (pos + item_width < x) { pos += item_width; + nchars += end; continue; } // qDebug(" inside run"); @@ -2868,27 +2721,60 @@ int QTextLine::xToCursor(qreal _x, CursorPosition cpos) const } else { QFixed dist = INT_MAX/256; if (si.analysis.bidiLevel % 2) { - pos += item_width; - while (gs <= ge) { - if (glyphs.attributes[gs].clusterStart && qAbs(x-pos) < dist) { - glyph_pos = gs; - dist = qAbs(x-pos); + if (!visual || rtl || (lastLine && i == nItems - 1)) { + pos += item_width; + while (gs <= ge) { + if (glyphs.attributes[gs].clusterStart && qAbs(x-pos) < dist) { + glyph_pos = gs; + dist = qAbs(x-pos); + } + pos -= glyphs.effectiveAdvance(gs); + ++gs; + } + } else { + while (ge >= gs) { + if (glyphs.attributes[ge].clusterStart && qAbs(x-pos) < dist) { + glyph_pos = ge; + dist = qAbs(x-pos); + } + pos += glyphs.effectiveAdvance(ge); + --ge; } - pos -= glyphs.effectiveAdvance(gs); - ++gs; } } else { - while (gs <= ge) { - if (glyphs.attributes[gs].clusterStart && qAbs(x-pos) < dist) { - glyph_pos = gs; - dist = qAbs(x-pos); + if (!visual || !rtl || (lastLine && i == 0)) { + while (gs <= ge) { + if (glyphs.attributes[gs].clusterStart && qAbs(x-pos) < dist) { + glyph_pos = gs; + dist = qAbs(x-pos); + } + pos += glyphs.effectiveAdvance(gs); + ++gs; } - pos += glyphs.effectiveAdvance(gs); - ++gs; + } else { + QFixed oldPos = pos; + while (gs <= ge) { + pos += glyphs.effectiveAdvance(gs); + if (glyphs.attributes[gs].clusterStart && qAbs(x-pos) < dist) { + glyph_pos = gs; + dist = qAbs(x-pos); + } + ++gs; + } + pos = oldPos; } } - if (qAbs(x-pos) < dist) + if (qAbs(x-pos) < dist) { + if (visual) { + if (!rtl && i < nItems - 1) { + nchars += end; + continue; + } + if (rtl && nchars > 0) + return insertionPoints[lastLine ? nchars : nchars - 1]; + } return si.position + end; + } } Q_ASSERT(glyph_pos != -1); int j; diff --git a/src/gui/text/qtextlayout.h b/src/gui/text/qtextlayout.h index 9dd8ebd28f..6aa81f9e7c 100644 --- a/src/gui/text/qtextlayout.h +++ b/src/gui/text/qtextlayout.h @@ -50,6 +50,7 @@ #include <QtGui/qevent.h> #include <QtGui/qtextformat.h> #include <QtGui/qglyphs.h> +#include <QtGui/qtextcursor.h> QT_BEGIN_HEADER @@ -136,6 +137,9 @@ public: void setCacheEnabled(bool enable); bool cacheEnabled() const; + void setCursorMoveStyle(QTextCursor::MoveStyle style); + QTextCursor::MoveStyle cursorMoveStyle() const; + void beginLayout(); void endLayout(); void clearLayout(); @@ -153,6 +157,8 @@ public: bool isValidCursorPosition(int pos) const; int nextCursorPosition(int oldPos, CursorMode mode = SkipCharacters) const; int previousCursorPosition(int oldPos, CursorMode mode = SkipCharacters) const; + int leftCursorPosition(int oldPos) const; + int rightCursorPosition(int oldPos) const; void draw(QPainter *p, const QPointF &pos, const QVector<FormatRange> &selections = QVector<FormatRange>(), const QRectF &clip = QRectF()) const; diff --git a/src/gui/text/text.pri b/src/gui/text/text.pri index a1e7eb1652..ba6ddb32f0 100644 --- a/src/gui/text/text.pri +++ b/src/gui/text/text.pri @@ -114,13 +114,17 @@ unix:x11 { OBJECTIVE_SOURCES += \ text/qfontengine_coretext.mm \ text/qfontengine_mac.mm + contains(QT_CONFIG, harfbuzz) { + DEFINES += QT_ENABLE_HARFBUZZ_FOR_MAC + } } qpa { SOURCES += \ text/qfont_qpa.cpp \ text/qfontengine_qpa.cpp \ - text/qplatformfontdatabase_qpa.cpp + text/qplatformfontdatabase_qpa.cpp \ + text/qrawfont_qpa.cpp HEADERS += \ text/qplatformfontdatabase_qpa.h diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp index 289faa9b02..eb4e142328 100644 --- a/src/gui/widgets/qlinecontrol.cpp +++ b/src/gui/widgets/qlinecontrol.cpp @@ -1585,6 +1585,7 @@ void QLineControl::processKeyEvent(QKeyEvent* event) } bool unknown = false; + bool visual = cursorMoveStyle() == QTextCursor::Visual; if (false) { } @@ -1649,11 +1650,11 @@ void QLineControl::processKeyEvent(QKeyEvent* event) #endif moveCursor(selectionEnd(), false); } else { - cursorForward(0, layoutDirection() == Qt::LeftToRight ? 1 : -1); + cursorForward(0, visual ? 1 : (layoutDirection() == Qt::LeftToRight ? 1 : -1)); } } else if (event == QKeySequence::SelectNextChar) { - cursorForward(1, layoutDirection() == Qt::LeftToRight ? 1 : -1); + cursorForward(1, visual ? 1 : (layoutDirection() == Qt::LeftToRight ? 1 : -1)); } else if (event == QKeySequence::MoveToPreviousChar) { #if !defined(Q_WS_WIN) || defined(QT_NO_COMPLETER) @@ -1664,11 +1665,11 @@ void QLineControl::processKeyEvent(QKeyEvent* event) #endif moveCursor(selectionStart(), false); } else { - cursorForward(0, layoutDirection() == Qt::LeftToRight ? -1 : 1); + cursorForward(0, visual ? -1 : (layoutDirection() == Qt::LeftToRight ? -1 : 1)); } } else if (event == QKeySequence::SelectPreviousChar) { - cursorForward(1, layoutDirection() == Qt::LeftToRight ? -1 : 1); + cursorForward(1, visual ? -1 : (layoutDirection() == Qt::LeftToRight ? -1 : 1)); } else if (event == QKeySequence::MoveToNextWord) { if (echoMode() == QLineEdit::Normal) diff --git a/src/gui/widgets/qlinecontrol_p.h b/src/gui/widgets/qlinecontrol_p.h index 3c505c8696..0042f17261 100644 --- a/src/gui/widgets/qlinecontrol_p.h +++ b/src/gui/widgets/qlinecontrol_p.h @@ -160,6 +160,8 @@ public: int cursorWidth() const { return m_cursorWidth; } void setCursorWidth(int value) { m_cursorWidth = value; } + QTextCursor::MoveStyle cursorMoveStyle() const { return m_textLayout.cursorMoveStyle(); } + void setCursorMoveStyle(QTextCursor::MoveStyle style) { m_textLayout.setCursorMoveStyle(style); } void moveCursor(int pos, bool mark = false); void cursorForward(bool mark, int steps) @@ -167,10 +169,12 @@ public: int c = m_cursor; if (steps > 0) { while (steps--) - c = m_textLayout.nextCursorPosition(c); + c = cursorMoveStyle() == QTextCursor::Visual ? m_textLayout.rightCursorPosition(c) + : m_textLayout.nextCursorPosition(c); } else if (steps < 0) { while (steps++) - c = m_textLayout.previousCursorPosition(c); + c = cursorMoveStyle() == QTextCursor::Visual ? m_textLayout.leftCursorPosition(c) + : m_textLayout.previousCursorPosition(c); } moveCursor(c, mark); } diff --git a/src/gui/widgets/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp index 07bd2733f2..43c3f52d2b 100644 --- a/src/gui/widgets/qlineedit.cpp +++ b/src/gui/widgets/qlineedit.cpp @@ -1112,6 +1112,34 @@ void QLineEdit::setDragEnabled(bool b) /*! + \property QLineEdit::cursorMoveStyle + \brief the movement style of cursor in this line edit + \since 4.8 + + When this property is set to QTextCursor::Visual, the line edit will use visual + movement style. Pressing the left arrow key will always cause the cursor to move + left, regardless of the text's writing direction. The same behavior applies to + right arrow key. + + When the property is QTextCursor::Logical (the default), within a LTR text block, + increase cursor position when pressing left arrow key, decrease cursor position + when pressing the right arrow key. If the text block is right to left, the opposite + behavior applies. +*/ + +QTextCursor::MoveStyle QLineEdit::cursorMoveStyle() const +{ + Q_D(const QLineEdit); + return d->control->cursorMoveStyle(); +} + +void QLineEdit::setCursorMoveStyle(QTextCursor::MoveStyle style) +{ + Q_D(QLineEdit); + d->control->setCursorMoveStyle(style); +} + +/*! \property QLineEdit::acceptableInput \brief whether the input satisfies the inputMask and the validator. diff --git a/src/gui/widgets/qlineedit.h b/src/gui/widgets/qlineedit.h index 636cee7bb0..73a736c690 100644 --- a/src/gui/widgets/qlineedit.h +++ b/src/gui/widgets/qlineedit.h @@ -43,6 +43,7 @@ #define QLINEEDIT_H #include <QtGui/qframe.h> +#include <QtGui/qtextcursor.h> #include <QtCore/qstring.h> #include <QtCore/qmargins.h> @@ -158,6 +159,9 @@ public: void setDragEnabled(bool b); bool dragEnabled() const; + void setCursorMoveStyle(QTextCursor::MoveStyle style); + QTextCursor::MoveStyle cursorMoveStyle() const; + QString inputMask() const; void setInputMask(const QString &inputMask); bool hasAcceptableInput() const; |