Merge remote branch 'qt/4.7' into 4.7

Conflicts:
	tests/auto/declarative/qdeclarativedom/data/importlib/sublib/qmldir

9 files changed, 71 insertions, 24 deletions

diff --git a/src/gui/text/qfontdatabase_x11.cpp b/src/gui/text/qfontdatabase_x11.cpp
index bb1e60d..b1ab478 100644
--- a/src/gui/text/qfontdatabase_x11.cpp
+++ b/src/gui/text/qfontdatabase_x11.cpp
@@ -41,9 +41,9 @@
 
 #include <qplatformdefs.h>
 
-#include <qdatetime.h>
 #include <qdebug.h>
 #include <qpaintdevice.h>
+#include <qelapsedtimer.h>
 
 #include <private/qt_x11_p.h>
 #include "qx11info_x11.h"
@@ -1218,7 +1218,7 @@ static void load(const QString &family = QString(), int script = -1, bool forceX
     }
 
 #ifdef QFONTDATABASE_DEBUG
-    QTime t;
+    QElapsedTimer t;
     t.start();
 #endif
 
@@ -1301,7 +1301,7 @@ static void initializeDb()
     if (!db || db->count)
         return;
 
-    QTime t;
+    QElapsedTimer t;
     t.start();
 
 #ifndef QT_NO_FONTCONFIG
@@ -1314,7 +1314,7 @@ static void initializeDb()
     }
 
     loadFontConfig();
-    FD_DEBUG("QFontDatabase: loaded FontConfig: %d ms", t.elapsed());
+    FD_DEBUG("QFontDatabase: loaded FontConfig: %d ms", int(t.elapsed()));
 #endif
 
     t.start();
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index e5975d2..194c5f3 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -379,6 +379,15 @@ void QFontEngine::getGlyphPositions(const QGlyphLayout &glyphs, const QTransform
     Q_ASSERT(positions.size() == glyphs_out.size());
 }
 
+void QFontEngine::getGlyphBearings(glyph_t glyph, qreal *leftBearing, qreal *rightBearing)
+{
+    glyph_metrics_t gi = boundingBox(glyph);
+    bool isValid = gi.isValid();
+    if (leftBearing != 0)
+        *leftBearing = isValid ? gi.x.toReal() : 0.0;
+    if (rightBearing != 0)
+        *rightBearing = isValid ? (gi.xoff - gi.x - gi.width).toReal() : 0.0;
+}
 
 glyph_metrics_t QFontEngine::tightBoundingBox(const QGlyphLayout &glyphs)
 {
@@ -1389,6 +1398,12 @@ glyph_metrics_t QFontEngineMulti::boundingBox(const QGlyphLayout &glyphs)
     return overall;
 }
 
+void QFontEngineMulti::getGlyphBearings(glyph_t glyph, qreal *leftBearing, qreal *rightBearing)
+{
+    int which = highByte(glyph);
+    engine(which)->getGlyphBearings(stripped(glyph), leftBearing, rightBearing);
+}
+
 void QFontEngineMulti::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs,
                                         QPainterPath *path, QTextItem::RenderFlags flags)
 {
diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h
index 71ab5a5..e645caf 100644
--- a/src/gui/text/qfontengine_p.h
+++ b/src/gui/text/qfontengine_p.h
@@ -206,6 +206,8 @@ public:
     virtual qreal minLeftBearing() const { return qreal(); }
     virtual qreal minRightBearing() const { return qreal(); }
 
+    virtual void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0);
+
     virtual const char *name() const = 0;
 
     virtual bool canRender(const QChar *string, int len) = 0;
@@ -374,6 +376,7 @@ public:
     virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const;
     virtual void doKerning(QGlyphLayout *, QTextEngine::ShaperFlags) const;
     virtual void addOutlineToPath(qreal, qreal, const QGlyphLayout &, QPainterPath *, QTextItem::RenderFlags flags);
+    virtual void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0);
 
     virtual QFixed ascent() const;
     virtual QFixed descent() const;
diff --git a/src/gui/text/qfontengine_win.cpp b/src/gui/text/qfontengine_win.cpp
index 55e93bd..3e79d79 100644
--- a/src/gui/text/qfontengine_win.cpp
+++ b/src/gui/text/qfontengine_win.cpp
@@ -649,6 +649,30 @@ static const ushort char_table[] = {
 
 static const int char_table_entries = sizeof(char_table)/sizeof(ushort);
 
+void QFontEngineWin::getGlyphBearings(glyph_t glyph, qreal *leftBearing, qreal *rightBearing)
+{
+    HDC hdc = shared_dc();
+    SelectObject(hdc, hfont);
+
+#ifndef Q_WS_WINCE
+    if (ttf)
+#endif
+
+    {
+        ABC abcWidths;
+        GetCharABCWidthsI(hdc, glyph, 1, 0, &abcWidths);
+        if (leftBearing)
+            *leftBearing = abcWidths.abcA;
+        if (rightBearing)
+            *rightBearing = abcWidths.abcC;
+    }
+
+#ifndef Q_WS_WINCE
+    else {
+        QFontEngine::getGlyphBearings(glyph, leftBearing, rightBearing);
+    }
+#endif
+}
 
 qreal QFontEngineWin::minLeftBearing() const
 {
diff --git a/src/gui/text/qfontengine_win_p.h b/src/gui/text/qfontengine_win_p.h
index f9d8f8b..f19e48e 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, int margin, const QTransform &xform);
 
+    virtual void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0);
+
     int getGlyphIndexes(const QChar *ch, int numChars, QGlyphLayout *glyphs, bool mirrored) const;
     void getCMap();
 
diff --git a/src/gui/text/qfontmetrics.cpp b/src/gui/text/qfontmetrics.cpp
index 13a5704..9349f46 100644
--- a/src/gui/text/qfontmetrics.cpp
+++ b/src/gui/text/qfontmetrics.cpp
@@ -472,8 +472,9 @@ int QFontMetrics::leftBearing(QChar ch) const
     int nglyphs = 9;
     engine->stringToCMap(&ch, 1, &glyphs, &nglyphs, 0);
     // ### can nglyphs != 1 happen at all? Not currently I think
-    glyph_metrics_t gi = engine->boundingBox(glyphs.glyphs[0]);
-    return qRound(gi.x);
+    qreal lb;
+    engine->getGlyphBearings(glyphs.glyphs[0], &lb);
+    return qRound(lb);
 }
 
 /*!
@@ -506,8 +507,9 @@ int QFontMetrics::rightBearing(QChar ch) const
     int nglyphs = 9;
     engine->stringToCMap(&ch, 1, &glyphs, &nglyphs, 0);
     // ### can nglyphs != 1 happen at all? Not currently I think
-    glyph_metrics_t gi = engine->boundingBox(glyphs.glyphs[0]);
-    return qRound(gi.xoff - gi.x - gi.width);
+    qreal rb;
+    engine->getGlyphBearings(glyphs.glyphs[0], 0, &rb);
+    return qRound(rb);
 }
 
 /*!
@@ -1317,8 +1319,9 @@ qreal QFontMetricsF::leftBearing(QChar ch) const
     int nglyphs = 9;
     engine->stringToCMap(&ch, 1, &glyphs, &nglyphs, 0);
     // ### can nglyphs != 1 happen at all? Not currently I think
-    glyph_metrics_t gi = engine->boundingBox(glyphs.glyphs[0]);
-    return gi.x.toReal();
+    qreal lb;
+    engine->getGlyphBearings(glyphs.glyphs[0], &lb);
+    return lb;
 }
 
 /*!
@@ -1351,8 +1354,10 @@ qreal QFontMetricsF::rightBearing(QChar ch) const
     int nglyphs = 9;
     engine->stringToCMap(&ch, 1, &glyphs, &nglyphs, 0);
     // ### can nglyphs != 1 happen at all? Not currently I think
-    glyph_metrics_t gi = engine->boundingBox(glyphs.glyphs[0]);
-    return (gi.xoff - gi.x - gi.width).toReal();
+    qreal rb;
+    engine->getGlyphBearings(glyphs.glyphs[0], 0, &rb);
+    return rb;
+
 }
 
 /*!
diff --git a/src/gui/text/qtextdocument_p.cpp b/src/gui/text/qtextdocument_p.cpp
index 969d5b4..302a349 100644
--- a/src/gui/text/qtextdocument_p.cpp
+++ b/src/gui/text/qtextdocument_p.cpp
@@ -63,7 +63,7 @@ QT_BEGIN_NAMESPACE
 // The VxWorks DIAB compiler crashes when initializing the anonymouse union with { a7 }
 #if !defined(Q_CC_DIAB)
 #  define QT_INIT_TEXTUNDOCOMMAND(c, a1, a2, a3, a4, a5, a6, a7, a8) \
-          QTextUndoCommand c = { a1, a2, 0, 0, a3, a4, a5, a6, { a7 }, a8 }
+          QTextUndoCommand c = { a1, a2, 0, 0, quint8(a3), a4, a5, a6, { a7 }, a8 }
 #else
 #  define QT_INIT_TEXTUNDOCOMMAND(c, a1, a2, a3, a4, a5, a6, a7, a8) \
           QTextUndoCommand c = { a1, a2, 0, 0, a3, a4, a5, a6 }; c.blockFormat = a7; c.revision = a8
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index b826588..7dc2c26 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -1124,14 +1124,13 @@ void QTextEngine::shapeTextWithHarfbuzz(int item) const
     bool kerningEnabled = this->font(si).d->kerning;
 
     HB_ShaperItem entire_shaper_item;
-    entire_shaper_item.kerning_applied = false;
+    qMemSet(&entire_shaper_item, 0, sizeof(entire_shaper_item));
     entire_shaper_item.string = reinterpret_cast<const HB_UChar16 *>(layoutData->string.constData());
     entire_shaper_item.stringLength = layoutData->string.length();
     entire_shaper_item.item.script = (HB_Script)si.analysis.script;
     entire_shaper_item.item.pos = si.position;
     entire_shaper_item.item.length = length(item);
     entire_shaper_item.item.bidiLevel = si.analysis.bidiLevel;
-    entire_shaper_item.glyphIndicesPresent = false;
 
     HB_UChar16 upperCased[256]; // XXX what about making this 4096, so we don't have to extend it ever.
     if (si.analysis.flags == QScriptAnalysis::SmallCaps || si.analysis.flags == QScriptAnalysis::Uppercase
@@ -1299,10 +1298,10 @@ QTextEngine::QTextEngine()
 }
 
 QTextEngine::QTextEngine(const QString &str, const QFont &f)
-    : fnt(f)
+    : text(str),
+      fnt(f)
 {
     init(this);
-    text = str;
 }
 
 QTextEngine::~QTextEngine()
@@ -2467,7 +2466,7 @@ void QTextEngine::splitItem(int item, int pos) const
     if (pos <= 0)
         return;
 
-    layoutData->items.insert(item + 1, QScriptItem(layoutData->items[item]));
+    layoutData->items.insert(item + 1, layoutData->items[item]);
     QScriptItem &oldItem = layoutData->items[item];
     QScriptItem &newItem = layoutData->items[item+1];
     newItem.position += pos;
@@ -2610,10 +2609,9 @@ void QTextEngine::resolveAdditionalFormats() const
 }
 
 QStackTextEngine::QStackTextEngine(const QString &string, const QFont &f)
-    : _layoutData(string, _memory, MemSize)
+    : QTextEngine(string, f),
+      _layoutData(string, _memory, MemSize)
 {
-    fnt = f;
-    text = string;
     stackEngine = true;
     layoutData = &_layoutData;
 }
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index 2fc5d1a..312d135 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -1702,9 +1702,9 @@ namespace {
             if (currentPosition <= 0)
                 return;
 
-            glyph_metrics_t gi = fontEngine->boundingBox(currentGlyph());
-            if (gi.isValid())
-                rightBearing = qMin(QFixed(), gi.xoff - gi.x - gi.width);
+            qreal rb;
+            fontEngine->getGlyphBearings(currentGlyph(), 0, &rb);
+            rightBearing = qMin(QFixed(), QFixed::fromReal(rb));
         }
 
         inline void resetRightBearing()