QtWidgets: convert some users of QSize::transpose() to transposed()

...because transposed() is inline (and transpose() is not),
and because it makes the code more readable and compact.

Change-Id: I5661ee6251be638fb40c5c748aa50a89de6f7735
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/widgets/doc/snippets/javastyle.cpp

@@ -244,9 +244,7 @@ void JavaStyle::drawControl(ControlElement control, const QStyleOption *option,
             QRect titleRect = rect;
             if (docker->verticalTitleBar) {
                 QRect r = rect;
-                QSize s = r.size();
+                r.setSize(r.size().transposed());
-                s.transpose();
-                r.setSize(s);
 
                 titleRect = QRect(r.left() + rect.bottom()
                                 - titleRect.bottom(),

src/widgets/styles/qcommonstyle.cpp

@@ -2021,9 +2021,7 @@ void QCommonStyle::drawControl(ControlElement element, const QStyleOption *opt,
                 bool verticalTitleBar = v2 == 0 ? false : v2->verticalTitleBar;
 
                 if (verticalTitleBar) {
-                    QSize s = r.size();
+                    r.setSize(r.size().transposed());
-                    s.transpose();
-                    r.setSize(s);
 
                     p->save();
                     p->translate(r.left(), r.top() + r.width());
@@ -2898,11 +2896,8 @@ QRect QCommonStyle::subElementRect(SubElement sr, const QStyleOption *opt,
         // If this is a vertical titlebar, we transpose and work as if it was
         // horizontal, then transpose again.
 
-        if (verticalTitleBar) {
+        if (verticalTitleBar)
-            QSize size = rect.size();
+            rect.setSize(rect.size().transposed());
-            size.transpose();
-            rect.setSize(size);
-        }
 
         do {
 

src/widgets/styles/qfusionstyle.cpp

@@ -1210,9 +1210,7 @@ void QFusionStyle::drawControl(ControlElement element, const QStyleOption *optio
             if (verticalTitleBar) {
                 QRect rect = dwOpt->rect;
                 QRect r = rect;
-                QSize s = r.size();
+                r.setSize(r.size().transposed());
-                s.transpose();
-                r.setSize(s);
                 titleRect = QRect(r.left() + rect.bottom()
                                   - titleRect.bottom(),
                                   r.top() + titleRect.left() - rect.left(),

src/widgets/styles/qgtkstyle.cpp

@@ -2902,9 +2902,7 @@ void QGtkStyle::drawControl(ControlElement element,
 
             if (verticalTitleBar) {
                 QRect r = rect;
-                QSize s = r.size();
+                r.setSize(r.size().transposed());
-                s.transpose();
-                r.setSize(s);
 
                 titleRect = QRect(r.left() + rect.bottom()
                                     - titleRect.bottom(),

src/widgets/styles/qmacstyle_mac.mm

@@ -4367,9 +4367,7 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
                 if (verticalTitleBar) {
                     QRect rect = dwOpt->rect;
                     QRect r = rect;
-                    QSize s = r.size();
+                    r.setSize(r.size().transposed());
-                    s.transpose();
-                    r.setSize(s);
 
                     titleRect = QRect(r.left() + rect.bottom()
                                         - titleRect.bottom(),
@@ -5196,11 +5194,8 @@ QRect QMacStyle::subElementRect(SubElement sr, const QStyleOption *opt,
 
             // If this is a vertical titlebar, we transpose and work as if it was
             // horizontal, then transpose again.
-            if (verticalTitleBar) {
+            if (verticalTitleBar)
-                QSize size = srect.size();
+                srect.setSize(srect.size().transposed());
-                size.transpose();
-                srect.setSize(size);
-            }
 
             do {
                 int right = srect.right();

src/widgets/styles/qstylesheetstyle.cpp

@@ -4049,9 +4049,7 @@ void QStyleSheetStyle::drawControl(ControlElement ce, const QStyleOption *opt, Q
            if (!dwOpt->title.isEmpty()) {
                QRect r = subElementRect(SE_DockWidgetTitleBarText, opt, w);
                if (dwOpt->verticalTitleBar) {
-                   QSize s = r.size();
+                   r.setSize(r.size().transposed());
-                   s.transpose();
-                   r.setSize(s);
                    p->save();
                    p->translate(r.left(), r.top() + r.width());
                    p->rotate(-90);

src/widgets/styles/qwindowsmobilestyle.cpp

@@ -5686,9 +5686,7 @@ void QWindowsMobileStyle::drawControl(ControlElement element, const QStyleOption
             QRect r = rect;
 
             if (verticalTitleBar) {
-                QSize s = r.size();
+                r.setSize(r.size().transposed());
-                s.transpose();
-                r.setSize(s);
 
                 painter->save();
                 painter->translate(r.left(), r.top() + r.width());

src/widgets/styles/qwindowsstyle.cpp

@@ -1767,9 +1767,7 @@ void QWindowsStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPai
             QRect r = rect;
 
             if (verticalTitleBar) {
-                QSize s = r.size();
+                r.setSize(r.size().transposed());
-                s.transpose();
-                r.setSize(s);
 
                 p->save();
                 p->translate(r.left(), r.top() + r.width());

src/widgets/styles/qwindowsvistastyle.cpp

@@ -1382,9 +1382,7 @@ void QWindowsVistaStyle::drawControl(ControlElement element, const QStyleOption
             bool verticalTitleBar = v2 == 0 ? false : v2->verticalTitleBar;
 
             if (verticalTitleBar) {
-                QSize s = rect.size();
+                rect.setSize(rect.size().transposed());
-                s.transpose();
-                rect.setSize(s);
 
                 painter->translate(rect.left() - 1, rect.top() + rect.width());
                 painter->rotate(-90);

src/widgets/styles/qwindowsxpstyle.cpp

@@ -2372,9 +2372,7 @@ void QWindowsXPStyle::drawControl(ControlElement element, const QStyleOption *op
             bool verticalTitleBar = v2 == 0 ? false : v2->verticalTitleBar;
 
             if (verticalTitleBar) {
-                QSize s = rect.size();
+                rect.setSize(rect.size().transposed());
-                s.transpose();
-                rect.setSize(s);
 
                 p->translate(rect.left() - 1, rect.top() + rect.width());
                 p->rotate(-90);