Tidy nullptr usage

Move away from using 0 as pointer literal.

Done using clang-tidy. This is not complete as
run-clang-tidy can't handle all of qtbase in one go.

Change-Id: I1076a21f32aac0dab078af6f175f7508145eece0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 41 insertions, 41 deletions

diff --git a/src/gui/text/qfontmetrics.cpp b/src/gui/text/qfontmetrics.cpp
index 906047cdb4..a79957797d 100644
--- a/src/gui/text/qfontmetrics.cpp
+++ b/src/gui/text/qfontmetrics.cpp
@@ -282,7 +282,7 @@ bool QFontMetrics::operator ==(const QFontMetrics &other) const
 int QFontMetrics::ascent() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->ascent());
 }
 
@@ -301,7 +301,7 @@ int QFontMetrics::ascent() const
 int QFontMetrics::capHeight() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->capHeight());
 }
 
@@ -318,7 +318,7 @@ int QFontMetrics::capHeight() const
 int QFontMetrics::descent() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->descent());
 }
 
@@ -332,7 +332,7 @@ int QFontMetrics::descent() const
 int QFontMetrics::height() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->ascent()) + qRound(engine->descent());
 }
 
@@ -346,7 +346,7 @@ int QFontMetrics::height() const
 int QFontMetrics::leading() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->leading());
 }
 
@@ -360,7 +360,7 @@ int QFontMetrics::leading() const
 int QFontMetrics::lineSpacing() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->leading()) + qRound(engine->ascent()) + qRound(engine->descent());
 }
 
@@ -377,7 +377,7 @@ int QFontMetrics::lineSpacing() const
 int QFontMetrics::minLeftBearing() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->minLeftBearing());
 }
 
@@ -394,7 +394,7 @@ int QFontMetrics::minLeftBearing() const
 int QFontMetrics::minRightBearing() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->minRightBearing());
 }
 
@@ -404,7 +404,7 @@ int QFontMetrics::minRightBearing() const
 int QFontMetrics::maxWidth() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->maxCharWidth());
 }
 
@@ -415,7 +415,7 @@ int QFontMetrics::maxWidth() const
 int QFontMetrics::xHeight() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (d->capital == QFont::SmallCaps)
         return qRound(d->smallCapsFontPrivate()->engineForScript(QChar::Script_Common)->ascent());
     return qRound(engine->xHeight());
@@ -429,7 +429,7 @@ int QFontMetrics::xHeight() const
 int QFontMetrics::averageCharWidth() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->averageCharWidth());
 }
 
@@ -450,7 +450,7 @@ bool QFontMetrics::inFontUcs4(uint ucs4) const
 {
     const int script = QChar::script(ucs4);
     QFontEngine *engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (engine->type() == QFontEngine::Box)
         return false;
     return engine->canRender(ucs4);
@@ -476,7 +476,7 @@ int QFontMetrics::leftBearing(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (engine->type() == QFontEngine::Box)
         return 0;
 
@@ -509,7 +509,7 @@ int QFontMetrics::rightBearing(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (engine->type() == QFontEngine::Box)
         return 0;
 
@@ -518,7 +518,7 @@ int QFontMetrics::rightBearing(QChar ch) const
     glyph_t glyph = engine->glyphIndex(ch.unicode());
 
     qreal rb;
-    engine->getGlyphBearings(glyph, 0, &rb);
+    engine->getGlyphBearings(glyph, nullptr, &rb);
     return qRound(rb);
 }
 
@@ -673,7 +673,7 @@ int QFontMetrics::horizontalAdvance(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
 
     d->alterCharForCapitalization(ch);
 
@@ -725,7 +725,7 @@ int QFontMetrics::charWidth(const QString &text, int pos) const
             engine = d->smallCapsFontPrivate()->engineForScript(script);
         else
             engine = d->engineForScript(script);
-        Q_ASSERT(engine != 0);
+        Q_ASSERT(engine != nullptr);
 
         d->alterCharForCapitalization(ch);
 
@@ -800,7 +800,7 @@ QRect QFontMetrics::boundingRect(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
 
     d->alterCharForCapitalization(ch);
 
@@ -877,7 +877,7 @@ QRect QFontMetrics::boundingRect(const QRect &rect, int flags, const QString &te
     QRectF rb;
     QRectF rr(rect);
     qt_format_text(QFont(d.data()), rr, flags | Qt::TextDontPrint, text, &rb, tabStops, tabArray,
-                   tabArrayLen, 0);
+                   tabArrayLen, nullptr);
 
     return rb.toAlignedRect();
 }
@@ -994,7 +994,7 @@ QString QFontMetrics::elidedText(const QString &text, Qt::TextElideMode mode, in
 int QFontMetrics::underlinePos() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->underlinePosition());
 }
 
@@ -1030,7 +1030,7 @@ int QFontMetrics::strikeOutPos() const
 int QFontMetrics::lineWidth() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return qRound(engine->lineThickness());
 }
 
@@ -1248,7 +1248,7 @@ bool QFontMetricsF::operator ==(const QFontMetricsF &other) const
 qreal QFontMetricsF::ascent() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->ascent().toReal();
 }
 
@@ -1267,7 +1267,7 @@ qreal QFontMetricsF::ascent() const
 qreal QFontMetricsF::capHeight() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->capHeight().toReal();
 }
 
@@ -1285,7 +1285,7 @@ qreal QFontMetricsF::capHeight() const
 qreal QFontMetricsF::descent() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->descent().toReal();
 }
 
@@ -1299,7 +1299,7 @@ qreal QFontMetricsF::descent() const
 qreal QFontMetricsF::height() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
 
     return (engine->ascent() + engine->descent()).toReal();
 }
@@ -1314,7 +1314,7 @@ qreal QFontMetricsF::height() const
 qreal QFontMetricsF::leading() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->leading().toReal();
 }
 
@@ -1328,7 +1328,7 @@ qreal QFontMetricsF::leading() const
 qreal QFontMetricsF::lineSpacing() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return (engine->leading() + engine->ascent() + engine->descent()).toReal();
 }
 
@@ -1345,7 +1345,7 @@ qreal QFontMetricsF::lineSpacing() const
 qreal QFontMetricsF::minLeftBearing() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->minLeftBearing();
 }
 
@@ -1362,7 +1362,7 @@ qreal QFontMetricsF::minLeftBearing() const
 qreal QFontMetricsF::minRightBearing() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->minRightBearing();
 }
 
@@ -1372,7 +1372,7 @@ qreal QFontMetricsF::minRightBearing() const
 qreal QFontMetricsF::maxWidth() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->maxCharWidth();
 }
 
@@ -1383,7 +1383,7 @@ qreal QFontMetricsF::maxWidth() const
 qreal QFontMetricsF::xHeight() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (d->capital == QFont::SmallCaps)
         return d->smallCapsFontPrivate()->engineForScript(QChar::Script_Common)->ascent().toReal();
     return engine->xHeight().toReal();
@@ -1397,7 +1397,7 @@ qreal QFontMetricsF::xHeight() const
 qreal QFontMetricsF::averageCharWidth() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->averageCharWidth().toReal();
 }
 
@@ -1420,7 +1420,7 @@ bool QFontMetricsF::inFontUcs4(uint ucs4) const
 {
     const int script = QChar::script(ucs4);
     QFontEngine *engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (engine->type() == QFontEngine::Box)
         return false;
     return engine->canRender(ucs4);
@@ -1446,7 +1446,7 @@ qreal QFontMetricsF::leftBearing(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (engine->type() == QFontEngine::Box)
         return 0;
 
@@ -1479,7 +1479,7 @@ qreal QFontMetricsF::rightBearing(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     if (engine->type() == QFontEngine::Box)
         return 0;
 
@@ -1488,7 +1488,7 @@ qreal QFontMetricsF::rightBearing(QChar ch) const
     glyph_t glyph = engine->glyphIndex(ch.unicode());
 
     qreal rb;
-    engine->getGlyphBearings(glyph, 0, &rb);
+    engine->getGlyphBearings(glyph, nullptr, &rb);
     return rb;
 
 }
@@ -1608,7 +1608,7 @@ qreal QFontMetricsF::horizontalAdvance(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
 
     d->alterCharForCapitalization(ch);
 
@@ -1679,7 +1679,7 @@ QRectF QFontMetricsF::boundingRect(QChar ch) const
         engine = d->smallCapsFontPrivate()->engineForScript(script);
     else
         engine = d->engineForScript(script);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
 
     d->alterCharForCapitalization(ch);
 
@@ -1758,7 +1758,7 @@ QRectF QFontMetricsF::boundingRect(const QRectF &rect, int flags, const QString&
 
     QRectF rb;
     qt_format_text(QFont(d.data()), rect, flags | Qt::TextDontPrint, text, &rb, tabStops, tabArray,
-                   tabArrayLen, 0);
+                   tabArrayLen, nullptr);
     return rb;
 }
 
@@ -1877,7 +1877,7 @@ QString QFontMetricsF::elidedText(const QString &text, Qt::TextElideMode mode, q
 qreal QFontMetricsF::underlinePos() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->underlinePosition().toReal();
 }
 
@@ -1912,7 +1912,7 @@ qreal QFontMetricsF::strikeOutPos() const
 qreal QFontMetricsF::lineWidth() const
 {
     QFontEngine *engine = d->engineForScript(QChar::Script_Common);
-    Q_ASSERT(engine != 0);
+    Q_ASSERT(engine != nullptr);
     return engine->lineThickness().toReal();
 }