Merge branch '4.8' of scm.dev.nokia.troll.no:qt/qt into 4.8

23 files changed, 292 insertions, 226 deletions

diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
index c202e1f..3410782 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
@@ -655,6 +655,7 @@ void HB_GetCharAttributes(const HB_UChar16 *string, hb_uint32 stringLength,
                           const HB_ScriptItem *items, hb_uint32 numItems,
                           HB_CharAttributes *attributes)
 {
+    memset(attributes, 0, stringLength * sizeof(HB_CharAttributes));
     calcLineBreaks(string, stringLength, attributes);
 
     for (hb_uint32 i = 0; i < numItems; ++i) {
diff --git a/src/corelib/tools/qlocale_symbian.cpp b/src/corelib/tools/qlocale_symbian.cpp
index 09d74d0..5dca7b7 100644
--- a/src/corelib/tools/qlocale_symbian.cpp
+++ b/src/corelib/tools/qlocale_symbian.cpp
@@ -44,6 +44,7 @@
 #include <QTime>
 #include <QVariant>
 #include <QThread>
+#include <QStringList>
 
 #include <e32std.h>
 #include <e32const.h>
@@ -86,6 +87,7 @@ static TPtrC defaultFormatSpec(TExtendedLocale&)
 struct symbianToISO {
     int symbian_language;
     char iso_name[8];
+    char uilanguage[8];
 };
 
 
@@ -94,77 +96,80 @@ struct symbianToISO {
   NOTE: This array should be sorted by the first column!
 */
 static const symbianToISO symbian_to_iso_list[] = {
-    { ELangEnglish,             "en_GB" },  // 1
-    { ELangFrench,              "fr_FR" },  // 2
-    { ELangGerman,              "de_DE" },  // 3
-    { ELangSpanish,             "es_ES" },  // 4
-    { ELangItalian,             "it_IT" },  // 5
-    { ELangSwedish,             "sv_SE" },  // 6
-    { ELangDanish,              "da_DK" },  // 7
-    { ELangNorwegian,           "no_NO" },  // 8
-    { ELangFinnish,             "fi_FI" },  // 9
-    { ELangAmerican,            "en_US" },  // 10
-    { ELangPortuguese,          "pt_PT" },  // 13
-    { ELangTurkish,             "tr_TR" },  // 14
-    { ELangIcelandic,           "is_IS" },  // 15
-    { ELangRussian,             "ru_RU" },  // 16
-    { ELangHungarian,           "hu_HU" },  // 17
-    { ELangDutch,               "nl_NL" },  // 18
-    { ELangBelgianFlemish,      "nl_BE" },  // 19
-    { ELangCzech,               "cs_CZ" },  // 25
-    { ELangSlovak,              "sk_SK" },  // 26
-    { ELangPolish,              "pl_PL" },  // 27
-    { ELangSlovenian,           "sl_SI" },  // 28
-    { ELangTaiwanChinese,       "zh_TW" },  // 29
-    { ELangHongKongChinese,     "zh_HK" },  // 30
-    { ELangPrcChinese,          "zh_CN" },  // 31
-    { ELangJapanese,            "ja_JP" },  // 32
-    { ELangThai,                "th_TH" },  // 33
-    { ELangArabic,              "ar_AE" },  // 37
-    { ELangTagalog,             "tl_PH" },  // 39
-    { ELangBulgarian,           "bg_BG" },  // 42
-    { ELangCatalan,             "ca_ES" },  // 44
-    { ELangCroatian,            "hr_HR" },  // 45
-    { ELangEstonian,            "et_EE" },  // 49
-    { ELangFarsi,               "fa_IR" },  // 50
-    { ELangCanadianFrench,      "fr_CA" },  // 51
-    { ELangGreek,               "el_GR" },  // 54
-    { ELangHebrew,              "he_IL" },  // 57
-    { ELangHindi,               "hi_IN" },  // 58
-    { ELangIndonesian,          "id_ID" },  // 59
-    { ELangKorean,              "ko_KO" },  // 65
-    { ELangLatvian,             "lv_LV" },  // 67
-    { ELangLithuanian,          "lt_LT" },  // 68
-    { ELangMalay,               "ms_MY" },  // 70
-    { ELangNorwegianNynorsk,    "nn_NO" },  // 75
-    { ELangBrazilianPortuguese, "pt_BR" },  // 76
-    { ELangRomanian,            "ro_RO" },  // 78
-    { ELangSerbian,             "sr_RS" },  // 79
-    { ELangLatinAmericanSpanish,"es_419" }, // 83
-    { ELangUkrainian,           "uk_UA" },  // 93
-    { ELangUrdu,                "ur_PK" },  // 94 - India/Pakistan
-    { ELangVietnamese,          "vi_VN" },  // 96
+    { ELangEnglish,             "en_GB", "en" },    // 1
+    { ELangFrench,              "fr_FR", "fr" },    // 2
+    { ELangGerman,              "de_DE", "de" },    // 3
+    { ELangSpanish,             "es_ES", "es" },    // 4
+    { ELangItalian,             "it_IT", "it" },    // 5
+    { ELangSwedish,             "sv_SE", "sv" },    // 6
+    { ELangDanish,              "da_DK", "da" },    // 7
+    { ELangNorwegian,           "nb_NO", "nb" },    // 8
+    { ELangFinnish,             "fi_FI", "fi" },    // 9
+    { ELangAmerican,            "en_US", "en-US" }, // 10
+    { ELangPortuguese,          "pt_PT", "pt" },    // 13
+    { ELangTurkish,             "tr_TR", "tr" },    // 14
+    { ELangIcelandic,           "is_IS", "is" },    // 15
+    { ELangRussian,             "ru_RU", "ru" },    // 16
+    { ELangHungarian,           "hu_HU", "hu" },    // 17
+    { ELangDutch,               "nl_NL", "nl" },    // 18
+    { ELangCzech,               "cs_CZ", "cs" },    // 25
+    { ELangSlovak,              "sk_SK", "sk" },    // 26
+    { ELangPolish,              "pl_PL", "pl" },    // 27
+    { ELangSlovenian,           "sl_SI", "sl" },    // 28
+    { ELangTaiwanChinese,       "zh_TW", "zh-TW" }, // 29
+    { ELangHongKongChinese,     "zh_HK", "zh-HK" }, // 30
+    { ELangPrcChinese,          "zh_CN", "zh" },    // 31
+    { ELangJapanese,            "ja_JP", "ja" },    // 32
+    { ELangThai,                "th_TH", "th" },    // 33
+    { ELangArabic,              "ar_AE", "ar" },    // 37
+    { ELangTagalog,             "tl_PH", "tl" },    // 39
+    { ELangBulgarian,           "bg_BG", "bg" },    // 42
+    { ELangCatalan,             "ca_ES", "ca" },    // 44
+    { ELangCroatian,            "hr_HR", "hr" },    // 45
+    { ELangEstonian,            "et_EE", "et" },    // 49
+    { ELangFarsi,               "fa_IR", "fa" },    // 50
+    { ELangCanadianFrench,      "fr_CA", "fr-CA" }, // 51
+    { ELangGreek,               "el_GR", "el" },    // 54
+    { ELangHebrew,              "he_IL", "he" },    // 57
+    { ELangHindi,               "hi_IN", "hi" },    // 58
+    { ELangIndonesian,          "id_ID", "id" },    // 59
+    { 63/*ELangKazakh*/,        "kk_KZ", "kk" },    // 63
+    { ELangKorean,              "ko_KO", "ko" },    // 65
+    { ELangLatvian,             "lv_LV", "lv" },    // 67
+    { ELangLithuanian,          "lt_LT", "lt" },    // 68
+    { ELangMalay,               "ms_MY", "ms" },    // 70
+    { ELangNorwegianNynorsk,    "nn_NO", "nn" },    // 75
+    { ELangBrazilianPortuguese, "pt_BR", "pt-BR" }, // 76
+    { ELangRomanian,            "ro_RO", "ro" },    // 78
+    { ELangSerbian,             "sr_RS", "sr" },    // 79
+    { ELangLatinAmericanSpanish,"es_419", "es-419" },// 83
+    { ELangUkrainian,           "uk_UA", "uk" },    // 93
+    { ELangUrdu,                "ur_PK", "ur" },    // 94 - India/Pakistan
+    { ELangVietnamese,          "vi_VN", "vi" },    // 96
 #ifdef __E32LANG_H__
 // 5.0
-    { ELangBasque,              "eu_ES" },  // 102
-    { ELangGalician,            "gl_ES" },  // 103
+    { ELangBasque,              "eu_ES", "eu" },    // 102
+    { ELangGalician,            "gl_ES", "gl" },    // 103
 #endif
 #if !defined(__SERIES60_31__)
-    { ELangEnglish_Apac,        "en" },     // 129
-    { ELangEnglish_Taiwan,      "en_TW" },  // 157 ### Not supported by CLDR
-    { ELangEnglish_HongKong,    "en_HK" },  // 158
-    { ELangEnglish_Prc,         "en_CN" },  // 159 ### Not supported by CLDR
-    { ELangEnglish_Japan,       "en_JP"},   // 160 ### Not supported by CLDR
-    { ELangEnglish_Thailand,    "en_TH" },  // 161 ### Not supported by CLDR
-    { ELangMalay_Apac,          "ms" },     // 326
+    { ELangEnglish_Apac,        "en_GB", "en" },     // 129
+    { ELangEnglish_Taiwan,      "en_TW", "en-TW" },  // 157 ### Not supported by CLDR
+    { ELangEnglish_HongKong,    "en_HK", "en-HK" },  // 158
+    { ELangEnglish_Prc,         "en_CN", "en-CN" },  // 159 ### Not supported by CLDR
+    { ELangEnglish_Japan,       "en_JP", "en" },     // 160 ### Not supported by CLDR
+    { ELangEnglish_Thailand,    "en_TH", "en" },     // 161 ### Not supported by CLDR
+    { 230/*ELangEnglish_India*/,"en_IN", "en" },     // 230
+    { ELangMalay_Apac,          "ms_MY", "ms" },     // 326
 #endif
-    { 327/*ELangIndonesian_Apac*/,"id_ID" } // 327 - appeared in Symbian^3
+    { 327/*ELangIndonesian_Apac*/, "id_ID", "id" }   // 327 - appeared in Symbian^3
 };
 
-/*!
-    Returns ISO name corresponding to the Symbian locale code \a sys_fmt.
-*/
-QByteArray qt_symbianLocaleName(int code)
+enum LocaleNameType {
+    ISO,
+    UILanguage
+};
+
+QByteArray qt_resolveSymbianLocaleName(int code, LocaleNameType type)
 {
     //Number of Symbian to ISO locale mappings
     static const int symbian_to_iso_count
@@ -174,8 +179,11 @@ QByteArray qt_symbianLocaleName(int code)
     if (cmp < 0)
         return 0;
 
-    if (cmp == 0)
-        return symbian_to_iso_list[0].iso_name;
+    if (cmp == 0) {
+        if (type == ISO)
+            return symbian_to_iso_list[0].iso_name;
+        return symbian_to_iso_list[0].uilanguage;
+    }
 
     int begin = 0;
     int end = symbian_to_iso_count;
@@ -185,17 +193,27 @@ QByteArray qt_symbianLocaleName(int code)
 
         const symbianToISO *elt = symbian_to_iso_list + mid;
         int cmp = code - elt->symbian_language;
-        if (cmp < 0)
+        if (cmp < 0) {
             end = mid;
-        else if (cmp > 0)
+        } else if (cmp > 0) {
             begin = mid;
-        else
-            return elt->iso_name;
+        } else {
+            if (type == ISO)
+                return elt->iso_name;
+            return elt->uilanguage;
+        }
     }
 
     return 0;
 }
 
+/*!
+    Returns ISO name corresponding to the Symbian locale code \a sys_fmt.
+*/
+QByteArray qt_symbianLocaleName(int code)
+{
+    return qt_resolveSymbianLocaleName(code, ISO);
+}
 
 // order is: normal, abbr, nmode, nmode+abbr
 static const char *us_locale_dep[] = {
@@ -822,6 +840,13 @@ QLocale QSystemLocale::fallbackLocale() const
     return QLocale(locale);
 }
 
+static QStringList symbianUILanguages()
+{
+    TLanguage lang = User::Language();
+    QString s = QLatin1String(qt_resolveSymbianLocaleName(lang, UILanguage));
+    return QStringList(s);
+}
+
 QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
 {
     switch(type) {
@@ -889,6 +914,8 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
             return qt_TDes2QString(TAmPmName(TAmPm(EAm)));
         case PMText:
             return qt_TDes2QString(TAmPmName(TAmPm(EPm)));
+        case UILanguages:
+            return QVariant(symbianUILanguages());
         default:
             break;
     }
diff --git a/src/corelib/tools/qtextboundaryfinder.cpp b/src/corelib/tools/qtextboundaryfinder.cpp
index 34bc406..47319d4 100644
--- a/src/corelib/tools/qtextboundaryfinder.cpp
+++ b/src/corelib/tools/qtextboundaryfinder.cpp
@@ -199,11 +199,11 @@ QTextBoundaryFinder &QTextBoundaryFinder::operator=(const QTextBoundaryFinder &o
     chars = other.chars;
     length = other.length;
     pos = other.pos;
-    freePrivate = true;
 
     QTextBoundaryFinderPrivate *newD = (QTextBoundaryFinderPrivate *)
-        realloc(d, length*sizeof(HB_CharAttributes));
+        realloc(freePrivate ? d : 0, length*sizeof(HB_CharAttributes));
     Q_CHECK_PTR(newD);
+    freePrivate = true;
     d = newD;
     memcpy(d, other.d, length*sizeof(HB_CharAttributes));
 
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 6658300..63e2319 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/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 241a13f..3eec5c7 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -952,8 +952,13 @@ static void qt_x11_recreateWidget(QWidget *widget)
         // recreate their GL context, which in turn causes them to choose
         // their visual again. Now that WA_TranslucentBackground is set,
         // QGLContext::chooseVisual will select an ARGB visual.
-        QEvent e(QEvent::ParentChange);
-        QApplication::sendEvent(widget, &e);
+
+        // QGLWidget expects a ParentAboutToChange to be sent first
+        QEvent aboutToChangeEvent(QEvent::ParentAboutToChange);
+        QApplication::sendEvent(widget, &aboutToChangeEvent);
+
+        QEvent parentChangeEvent(QEvent::ParentChange);
+        QApplication::sendEvent(widget, &parentChangeEvent);
     } else {
         // For regular widgets, reparent them with their parent which
         // also triggers a recreation of the native window
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index ae9993e..360292c 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -7068,14 +7068,8 @@ 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/qprintengine_pdf.cpp b/src/gui/painting/qprintengine_pdf.cpp
index b7f5160..353869f 100644
--- a/src/gui/painting/qprintengine_pdf.cpp
+++ b/src/gui/painting/qprintengine_pdf.cpp
@@ -534,7 +534,10 @@ int QPdfEnginePrivate::addImage(const QImage &img, bool *bitmap, qint64 serial_n
 
     QImage image = img;
     QImage::Format format = image.format();
-    if (image.depth() == 1 && *bitmap && img.colorTable().size() == 0) {
+    if (image.depth() == 1 && *bitmap && img.colorTable().size() == 2
+        && img.colorTable().at(0) == QColor(Qt::black).rgba()
+        && img.colorTable().at(1) == QColor(Qt::white).rgba())
+    {
         if (format == QImage::Format_MonoLSB)
             image = image.convertToFormat(QImage::Format_Mono);
         format = QImage::Format_Mono;
diff --git a/src/gui/text/qfont.h b/src/gui/text/qfont.h
index 8dbc746..0c7b6f8 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_ft.cpp b/src/gui/text/qfontengine_ft.cpp
index 58bcca8..237cde4 100644
--- a/src/gui/text/qfontengine_ft.cpp
+++ b/src/gui/text/qfontengine_ft.cpp
@@ -803,106 +803,6 @@ int QFontEngineFT::loadFlags(QGlyphSet *set, GlyphFormat format, int flags,
     return load_flags;
 }
 
-QFontEngineFT::Glyph *QFontEngineFT::loadGlyphMetrics(QGlyphSet *set, uint glyph, GlyphFormat format) const
-{
-    Glyph *g = set->getGlyph(glyph);
-    if (g && g->format == format)
-        return g;
-
-    bool hsubpixel = false;
-    int vfactor = 1;
-    int load_flags = loadFlags(set, format, 0, hsubpixel, vfactor);
-
-    // apply our matrix to this, but note that the metrics will not be affected by this.
-    FT_Face face = lockFace();
-    FT_Matrix matrix = this->matrix;
-    FT_Matrix_Multiply(&set->transformationMatrix, &matrix);
-    FT_Set_Transform(face, &matrix, 0);
-    freetype->matrix = matrix;
-
-    bool transform = matrix.xx != 0x10000 || matrix.yy != 0x10000 || matrix.xy != 0 || matrix.yx != 0;
-    if (transform)
-        load_flags |= FT_LOAD_NO_BITMAP;
-
-    FT_Error err = FT_Load_Glyph(face, glyph, load_flags);
-    if (err && (load_flags & FT_LOAD_NO_BITMAP)) {
-        load_flags &= ~FT_LOAD_NO_BITMAP;
-        err = FT_Load_Glyph(face, glyph, load_flags);
-    }
-    if (err == FT_Err_Too_Few_Arguments) {
-        // this is an error in the bytecode interpreter, just try to run without it
-        load_flags |= FT_LOAD_FORCE_AUTOHINT;
-        err = FT_Load_Glyph(face, glyph, load_flags);
-    }
-    if (err != FT_Err_Ok)
-        qWarning("load glyph failed err=%x face=%p, glyph=%d", err, face, glyph);
-
-    unlockFace();
-    if (set->outline_drawing)
-        return 0;
-
-    if (!g) {
-        g = new Glyph;
-        g->uploadedToServer = false;
-        g->data = 0;
-    }
-
-    FT_GlyphSlot slot = face->glyph;
-    if (embolden) Q_FT_GLYPHSLOT_EMBOLDEN(slot);
-    int left  = slot->metrics.horiBearingX;
-    int right = slot->metrics.horiBearingX + slot->metrics.width;
-    int top    = slot->metrics.horiBearingY;
-    int bottom = slot->metrics.horiBearingY - slot->metrics.height;
-    if (transform && slot->format != FT_GLYPH_FORMAT_BITMAP) { // freetype doesn't apply the transformation on the metrics
-        int l, r, t, b;
-        FT_Vector vector;
-        vector.x = left;
-        vector.y = top;
-        FT_Vector_Transform(&vector, &matrix);
-        l = r = vector.x;
-        t = b = vector.y;
-        vector.x = right;
-        vector.y = top;
-        FT_Vector_Transform(&vector, &matrix);
-        if (l > vector.x) l = vector.x;
-        if (r < vector.x) r = vector.x;
-        if (t < vector.y) t = vector.y;
-        if (b > vector.y) b = vector.y;
-        vector.x = right;
-        vector.y = bottom;
-        FT_Vector_Transform(&vector, &matrix);
-        if (l > vector.x) l = vector.x;
-        if (r < vector.x) r = vector.x;
-        if (t < vector.y) t = vector.y;
-        if (b > vector.y) b = vector.y;
-        vector.x = left;
-        vector.y = bottom;
-        FT_Vector_Transform(&vector, &matrix);
-        if (l > vector.x) l = vector.x;
-        if (r < vector.x) r = vector.x;
-        if (t < vector.y) t = vector.y;
-        if (b > vector.y) b = vector.y;
-        left = l;
-        right = r;
-        top = t;
-        bottom = b;
-    }
-    left = FLOOR(left);
-    right = CEIL(right);
-    bottom = FLOOR(bottom);
-    top = CEIL(top);
-
-    g->linearAdvance = face->glyph->linearHoriAdvance >> 10;
-    g->width = TRUNC(right-left);
-    g->height = TRUNC(top-bottom);
-    g->x = TRUNC(left);
-    g->y = TRUNC(top);
-    g->advance = TRUNC(ROUND(face->glyph->advance.x));
-    g->format = Format_None;
-
-    return g;
-}
-
 QFontEngineFT::Glyph *QFontEngineFT::loadGlyph(QGlyphSet *set, uint glyph,
                                                QFixed subPixelPosition,
                                                GlyphFormat format,
diff --git a/src/gui/text/qfontengine_ft_p.h b/src/gui/text/qfontengine_ft_p.h
index 6dbca7a..a620006 100644
--- a/src/gui/text/qfontengine_ft_p.h
+++ b/src/gui/text/qfontengine_ft_p.h
@@ -349,7 +349,6 @@ protected:
 private:
     friend class QFontEngineFTRawFont;
 
-    QFontEngineFT::Glyph *loadGlyphMetrics(QGlyphSet *set, uint glyph, GlyphFormat format) const;
     int loadFlags(QGlyphSet *set, GlyphFormat format, int flags, bool &hsubpixel, int &vfactor) const;
 
     GlyphFormat defaultFormat;
diff --git a/src/gui/text/qrawfont.cpp b/src/gui/text/qrawfont.cpp
index 6ac2677..46c892c 100644
--- a/src/gui/text/qrawfont.cpp
+++ b/src/gui/text/qrawfont.cpp
@@ -302,16 +302,68 @@ qreal QRawFont::descent() const
 }
 
 /*!
+   Returns the xHeight of this QRawFont in pixel units.
+
+   \sa QFontMetricsF::xHeight()
+*/
+qreal QRawFont::xHeight() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->xHeight().toReal();
+}
+
+/*!
+   Returns the leading of this QRawFont in pixel units.
+
+   \sa QFontMetricsF::leading()
+*/
+qreal QRawFont::leading() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->leading().toReal();
+}
+
+/*!
+   Returns the average character width of this QRawFont in pixel units.
+
+   \sa QFontMetricsF::averageCharWidth()
+*/
+qreal QRawFont::averageCharWidth() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->averageCharWidth().toReal();
+}
+
+/*!
+   Returns the width of the widest character in the font.
+
+   \sa QFontMetricsF::maxWidth()
+*/
+qreal QRawFont::maxCharWidth() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->maxCharWidth();
+}
+
+/*!
    Returns the pixel size set for this QRawFont. The pixel size affects how glyphs are
    rasterized, the size of glyphs returned by pathForGlyph(), and is used to convert
    internal metrics from design units to logical pixel units.
 
    \sa setPixelSize()
 */
-int QRawFont::pixelSize() const
+qreal QRawFont::pixelSize() const
 {
     if (!isValid())
-        return -1;
+        return 0.0;
 
     return d->fontEngine->fontDef.pixelSize;
 }
@@ -577,7 +629,7 @@ 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;
diff --git a/src/gui/text/qrawfont.h b/src/gui/text/qrawfont.h
index 96dc838..900c07a 100644
--- a/src/gui/text/qrawfont.h
+++ b/src/gui/text/qrawfont.h
@@ -96,13 +96,17 @@ 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;
 
     qreal ascent() const;
     qreal descent() const;
+    qreal leading() const;
+    qreal xHeight() const;
+    qreal averageCharWidth() const;
+    qreal maxCharWidth() const;
 
     qreal unitsPerEm() const;
 
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index 8fdf4b2..01748b9 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -2147,6 +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;
diff --git a/src/gui/widgets/qdatetimeedit.cpp b/src/gui/widgets/qdatetimeedit.cpp
index 6337113..a4739a7 100644
--- a/src/gui/widgets/qdatetimeedit.cpp
+++ b/src/gui/widgets/qdatetimeedit.cpp
@@ -2538,20 +2538,32 @@ void QDateTimeEditPrivate::syncCalendarWidget()
 }
 
 QCalendarPopup::QCalendarPopup(QWidget * parent, QCalendarWidget *cw)
-    : QWidget(parent, Qt::Popup), calendar(0)
+    : QWidget(parent, Qt::Popup)
 {
     setAttribute(Qt::WA_WindowPropagation);
 
     dateChanged = false;
     if (!cw) {
-        cw = new QCalendarWidget(this);
+        verifyCalendarInstance();
+    } else {
+        setCalendarWidget(cw);
+    }
+}
+
+QCalendarWidget *QCalendarPopup::verifyCalendarInstance()
+{
+    if (calendar.isNull()) {
+        QCalendarWidget *cw = new QCalendarWidget(this);
         cw->setVerticalHeaderFormat(QCalendarWidget::NoVerticalHeader);
 #ifdef QT_KEYPAD_NAVIGATION
         if (QApplication::keypadNavigationEnabled())
             cw->setHorizontalHeaderFormat(QCalendarWidget::SingleLetterDayNames);
 #endif
+        setCalendarWidget(cw);
+        return cw;
+    } else {
+        return calendar.data();
     }
-    setCalendarWidget(cw);
 }
 
 void QCalendarPopup::setCalendarWidget(QCalendarWidget *cw)
@@ -2563,28 +2575,29 @@ void QCalendarPopup::setCalendarWidget(QCalendarWidget *cw)
         widgetLayout->setMargin(0);
         widgetLayout->setSpacing(0);
     }
-    delete calendar;
-    calendar = cw;
-    widgetLayout->addWidget(calendar);
+    delete calendar.data();
+    calendar = QWeakPointer<QCalendarWidget>(cw);
+    widgetLayout->addWidget(cw);
 
-    connect(calendar, SIGNAL(activated(QDate)), this, SLOT(dateSelected(QDate)));
-    connect(calendar, SIGNAL(clicked(QDate)), this, SLOT(dateSelected(QDate)));
-    connect(calendar, SIGNAL(selectionChanged()), this, SLOT(dateSelectionChanged()));
+    connect(cw, SIGNAL(activated(QDate)), this, SLOT(dateSelected(QDate)));
+    connect(cw, SIGNAL(clicked(QDate)), this, SLOT(dateSelected(QDate)));
+    connect(cw, SIGNAL(selectionChanged()), this, SLOT(dateSelectionChanged()));
 
-    calendar->setFocus();
+    cw->setFocus();
 }
 
 
 void QCalendarPopup::setDate(const QDate &date)
 {
     oldDate = date;
-    calendar->setSelectedDate(date);
+    verifyCalendarInstance()->setSelectedDate(date);
 }
 
 void QCalendarPopup::setDateRange(const QDate &min, const QDate &max)
 {
-    calendar->setMinimumDate(min);
-    calendar->setMaximumDate(max);
+    QCalendarWidget *cw = verifyCalendarInstance();
+    cw->setMinimumDate(min);
+    cw->setMaximumDate(max);
 }
 
 void QCalendarPopup::mousePressEvent(QMouseEvent *event)
@@ -2620,7 +2633,7 @@ bool QCalendarPopup::event(QEvent *event)
 void QCalendarPopup::dateSelectionChanged()
 {
     dateChanged = true;
-    emit newDateSelected(calendar->selectedDate());
+    emit newDateSelected(verifyCalendarInstance()->selectedDate());
 }
 void QCalendarPopup::dateSelected(const QDate &date)
 {
diff --git a/src/gui/widgets/qdatetimeedit_p.h b/src/gui/widgets/qdatetimeedit_p.h
index acdc878..c85c0fb 100644
--- a/src/gui/widgets/qdatetimeedit_p.h
+++ b/src/gui/widgets/qdatetimeedit_p.h
@@ -148,11 +148,11 @@ class QCalendarPopup : public QWidget
     Q_OBJECT
 public:
     QCalendarPopup(QWidget *parent = 0, QCalendarWidget *cw = 0);
-    QDate selectedDate() { return calendar->selectedDate(); }
+    QDate selectedDate() { return verifyCalendarInstance()->selectedDate(); }
     void setDate(const QDate &date);
     void setDateRange(const QDate &min, const QDate &max);
-    void setFirstDayOfWeek(Qt::DayOfWeek dow) { calendar->setFirstDayOfWeek(dow); }
-    QCalendarWidget *calendarWidget() const { return calendar; }
+    void setFirstDayOfWeek(Qt::DayOfWeek dow) { verifyCalendarInstance()->setFirstDayOfWeek(dow); }
+    QCalendarWidget *calendarWidget() const { return const_cast<QCalendarPopup*>(this)->verifyCalendarInstance(); }
     void setCalendarWidget(QCalendarWidget *cw);
 Q_SIGNALS:
     void activated(const QDate &date);
@@ -171,7 +171,9 @@ protected:
     bool event(QEvent *e);
 
 private:
-    QCalendarWidget *calendar;
+    QCalendarWidget *verifyCalendarInstance();
+
+    QWeakPointer<QCalendarWidget> calendar;
     QDate oldDate;
     bool dateChanged;
 };
diff --git a/src/network/access/qnetworkaccesscachebackend.cpp b/src/network/access/qnetworkaccesscachebackend.cpp
index 13f4cd9..c585848 100644
--- a/src/network/access/qnetworkaccesscachebackend.cpp
+++ b/src/network/access/qnetworkaccesscachebackend.cpp
@@ -66,6 +66,7 @@ void QNetworkAccessCacheBackend::open()
         QString msg = QCoreApplication::translate("QNetworkAccessCacheBackend", "Error opening %1")
                                                 .arg(this->url().toString());
         error(QNetworkReply::ContentNotFoundError, msg);
+    } else {
         setAttribute(QNetworkRequest::SourceIsFromCacheAttribute, true);
     }
     finished();
@@ -85,14 +86,18 @@ bool QNetworkAccessCacheBackend::sendCacheContents()
     QNetworkCacheMetaData::AttributesMap attributes = item.attributes();
     setAttribute(QNetworkRequest::HttpStatusCodeAttribute, attributes.value(QNetworkRequest::HttpStatusCodeAttribute));
     setAttribute(QNetworkRequest::HttpReasonPhraseAttribute, attributes.value(QNetworkRequest::HttpReasonPhraseAttribute));
-    setAttribute(QNetworkRequest::SourceIsFromCacheAttribute, true);
 
     // set the raw headers
     QNetworkCacheMetaData::RawHeaderList rawHeaders = item.rawHeaders();
     QNetworkCacheMetaData::RawHeaderList::ConstIterator it = rawHeaders.constBegin(),
                                                        end = rawHeaders.constEnd();
-    for ( ; it != end; ++it)
+    for ( ; it != end; ++it) {
+        if (it->first.toLower() == "cache-control" &&
+            it->second.toLower().contains("must-revalidate")) {
+            return false;
+        }
         setRawHeader(it->first, it->second);
+    }
 
     // handle a possible redirect
     QVariant redirectionTarget = attributes.value(QNetworkRequest::RedirectionTargetAttribute);
diff --git a/src/network/access/qnetworkaccesshttpbackend.cpp b/src/network/access/qnetworkaccesshttpbackend.cpp
index c619114..a45c2de 100644
--- a/src/network/access/qnetworkaccesshttpbackend.cpp
+++ b/src/network/access/qnetworkaccesshttpbackend.cpp
@@ -262,13 +262,11 @@ bool QNetworkAccessHttpBackend::loadFromCacheIfAllowed(QHttpNetworkRequest &http
     if (lastModified.isValid())
         httpRequest.setHeaderField("If-Modified-Since", QNetworkHeadersPrivate::toHttpDate(lastModified));
 
-    if (CacheLoadControlAttribute == QNetworkRequest::PreferNetwork) {
-        it = cacheHeaders.findRawHeader("Cache-Control");
-        if (it != cacheHeaders.rawHeaders.constEnd()) {
-            QHash<QByteArray, QByteArray> cacheControl = parseHttpOptionHeader(it->second);
-            if (cacheControl.contains("must-revalidate"))
-                return false;
-        }
+    it = cacheHeaders.findRawHeader("Cache-Control");
+    if (it != cacheHeaders.rawHeaders.constEnd()) {
+        QHash<QByteArray, QByteArray> cacheControl = parseHttpOptionHeader(it->second);
+        if (cacheControl.contains("must-revalidate"))
+            return false;
     }
 
     QDateTime currentDateTime = QDateTime::currentDateTime();
diff --git a/src/network/ssl/qsslconfiguration.cpp b/src/network/ssl/qsslconfiguration.cpp
index 70d7dd8..ab4d7f1 100644
--- a/src/network/ssl/qsslconfiguration.cpp
+++ b/src/network/ssl/qsslconfiguration.cpp
@@ -233,7 +233,7 @@ void QSslConfiguration::setProtocol(QSsl::SslProtocol protocol)
     client), and whether it should require that this certificate is valid.
 
     The default mode is AutoVerifyPeer, which tells QSslSocket to use
-    VerifyPeer for clients, QueryPeer for clients.
+    VerifyPeer for clients, QueryPeer for servers.
 
     \sa setPeerVerifyMode()
 */
@@ -249,7 +249,7 @@ QSslSocket::PeerVerifyMode QSslConfiguration::peerVerifyMode() const
     client), and whether it should require that this certificate is valid.
 
     The default mode is AutoVerifyPeer, which tells QSslSocket to use
-    VerifyPeer for clients, QueryPeer for clients.
+    VerifyPeer for clients, QueryPeer for servers.
 
     \sa peerVerifyMode()
 */
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index a2707e0..38bd58d 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -1554,6 +1554,14 @@ namespace {
 
 }
 
+#if defined(Q_WS_WIN)
+static bool fontSmoothingApproximately(qreal target)
+{
+    extern Q_GUI_EXPORT qreal qt_fontsmoothing_gamma; // qapplication_win.cpp
+    return (qAbs(qt_fontsmoothing_gamma - target) < 0.2);
+}
+#endif
+
 // #define QT_OPENGL_DRAWCACHEDGLYPHS_INDEX_ARRAY_VBO
 
 void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyphType,
@@ -1792,7 +1800,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
         shaderManager->setMaskType(QGLEngineShaderManager::PixelMask);
         prepareForDraw(false); // Text always causes src pixels to be transparent
     }
-    //### TODO: Gamma correction
 
     QGLTextureGlyphCache::FilterMode filterMode = (s->matrix.type() > QTransform::TxTranslate)?QGLTextureGlyphCache::Linear:QGLTextureGlyphCache::Nearest;
     if (lastMaskTextureUsed != cache->texture() || cache->filterMode() != filterMode) {
@@ -1815,12 +1822,31 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
         }
     }
 
+    bool srgbFrameBufferEnabled = false;
+    if (ctx->d_ptr->extension_flags & QGLExtensions::SRGBFrameBuffer) {
+#if defined(Q_WS_MAC)
+        if (glyphType == QFontEngineGlyphCache::Raster_RGBMask)
+#elif defined(Q_WS_WIN)
+        if (glyphType != QFontEngineGlyphCache::Raster_RGBMask || fontSmoothingApproximately(2.1))
+#else
+        if (false)
+#endif
+        {
+            glEnable(FRAMEBUFFER_SRGB_EXT);
+            srgbFrameBufferEnabled = true;
+        }
+    }
+
 #if defined(QT_OPENGL_DRAWCACHEDGLYPHS_INDEX_ARRAY_VBO)
     glDrawElements(GL_TRIANGLE_STRIP, 6 * numGlyphs, GL_UNSIGNED_SHORT, 0);
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
 #else
     glDrawElements(GL_TRIANGLE_STRIP, 6 * numGlyphs, GL_UNSIGNED_SHORT, elementIndices.data());
 #endif
+
+    if (srgbFrameBufferEnabled)
+        glDisable(FRAMEBUFFER_SRGB_EXT);
+
 }
 
 void QGL2PaintEngineEx::drawPixmapFragments(const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap,
@@ -1992,7 +2018,8 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
 
 #if !defined(QT_OPENGL_ES_2)
 #if defined(Q_WS_WIN)
-    if (qt_cleartype_enabled)
+    if (qt_cleartype_enabled
+        && (fontSmoothingApproximately(1.0) || fontSmoothingApproximately(2.1)))
 #endif
 #if defined(Q_WS_MAC)
     if (qt_applefontsmoothing_enabled)
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 057fb55..099cc00 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -5490,6 +5490,13 @@ QGLExtensions::Extensions QGLExtensions::currentContextExtensions()
     if (extensions.match("GL_EXT_bgra"))
         glExtensions |= BGRATextureFormat;
 
+    {
+        GLboolean srgbCapableFramebuffers;
+        glGetBooleanv(FRAMEBUFFER_SRGB_CAPABLE_EXT, &srgbCapableFramebuffers);
+        if (srgbCapableFramebuffers)
+            glExtensions |= SRGBFrameBuffer;
+    }
+
     return glExtensions;
 }
 
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 50d13c9..ac54e2f 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -288,7 +288,8 @@ public:
         PVRTCTextureCompression = 0x00020000,
         FragmentShader          = 0x00040000,
         ElementIndexUint        = 0x00080000,
-        Depth24                 = 0x00100000
+        Depth24                 = 0x00100000,
+        SRGBFrameBuffer         = 0x00200000
     };
     Q_DECLARE_FLAGS(Extensions, Extension)
 
diff --git a/src/opengl/qglextensions_p.h b/src/opengl/qglextensions_p.h
index 529c7a1..ac80ce8 100644
--- a/src/opengl/qglextensions_p.h
+++ b/src/opengl/qglextensions_p.h
@@ -477,6 +477,14 @@ struct QGLExtensionFuncs
 
 // OpenGL constants
 
+#ifndef FRAMEBUFFER_SRGB_CAPABLE_EXT
+#define FRAMEBUFFER_SRGB_CAPABLE_EXT 0x8DBA
+#endif
+
+#ifndef FRAMEBUFFER_SRGB_EXT
+#define FRAMEBUFFER_SRGB_EXT 0x8DB9
+#endif
+
 #ifndef GL_ARRAY_BUFFER
 #define GL_ARRAY_BUFFER                   0x8892
 #endif
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index 8494283..49b3dc2 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -184,7 +184,9 @@ QGLGraphicsSystem::QGLGraphicsSystem(bool useX11GL)
 class QGLGlobalShareWidget
 {
 public:
-    QGLGlobalShareWidget() : firstPixmap(0), widgetRefCount(0), widget(0), initializing(false) {}
+    QGLGlobalShareWidget() : firstPixmap(0), widgetRefCount(0), widget(0), initializing(false) {
+        created = true;
+    }
 
     QGLWidget *shareWidget() {
         if (!initializing && !widget && !cleanedUp) {
@@ -223,6 +225,7 @@ public:
     }
 
     static bool cleanedUp;
+    static bool created;
 
     QGLPixmapData *firstPixmap;
     int widgetRefCount;
@@ -233,6 +236,7 @@ private:
 };
 
 bool QGLGlobalShareWidget::cleanedUp = false;
+bool QGLGlobalShareWidget::created = false;
 
 static void qt_cleanup_gl_share_widget();
 Q_GLOBAL_STATIC_WITH_INITIALIZER(QGLGlobalShareWidget, _qt_gl_share_widget,
@@ -242,7 +246,8 @@ Q_GLOBAL_STATIC_WITH_INITIALIZER(QGLGlobalShareWidget, _qt_gl_share_widget,
 
 static void qt_cleanup_gl_share_widget()
 {
-    _qt_gl_share_widget()->cleanup();
+    if (QGLGlobalShareWidget::created)
+        _qt_gl_share_widget()->cleanup();
 }
 
 QGLWidget* qt_gl_share_widget()
@@ -254,7 +259,8 @@ QGLWidget* qt_gl_share_widget()
 
 void qt_destroy_gl_share_widget()
 {
-    _qt_gl_share_widget()->destroy();
+    if (QGLGlobalShareWidget::created)
+        _qt_gl_share_widget()->destroy();
 }
 
 const QGLContext *qt_gl_share_context()