additional code style improvements from github comments

include/wx/qt/colour.h

@@ -18,7 +18,7 @@ public:
     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
     wxColour(const QColor& color);
 
-    virtual bool IsOk() const { return valid; }
+    virtual bool IsOk() const { return m_valid; }
 
     ChannelType Red() const   { return m_red;   }
     ChannelType Green() const { return m_green; }
@@ -38,7 +38,7 @@ protected:
 
 private:
     ChannelType m_red, m_green, m_blue, m_alpha;
-    bool valid;
+    bool m_valid;
 
     wxDECLARE_DYNAMIC_CLASS(wxColour);
 };

src/qt/colour.cpp

@@ -46,7 +46,7 @@ int wxColour::GetPixel() const
 
 QColor wxColour::GetQColor() const
 {
-    if ( valid )
+    if ( m_valid )
         return QColor(m_red, m_green, m_blue, m_alpha);
     return QColor();
 }
@@ -54,11 +54,11 @@ QColor wxColour::GetQColor() const
 void wxColour::Init()
 {
     m_red = m_green = m_blue = m_alpha = 0;
-    valid = false;
+    m_valid = false;
 }
 
 void wxColour::InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a)
 {
     m_red = r, m_green = g, m_blue = b, m_alpha = a;
-    valid = true;
+    m_valid = true;
 }

src/qt/dc.cpp

@@ -651,7 +651,9 @@ void wxQtDCImpl::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
         //Restore saved settings
         m_qtPainter->setBackground(savedBrush);
         m_qtPainter->setPen(savedPen);
-    } else {
+    }
+    else
+    {
             if ( useMask && bmp.GetMask() && bmp.GetMask()->GetHandle() )
                 pix.setMask(*bmp.GetMask()->GetHandle());
             m_qtPainter->drawPixmap(x, y, pix);

src/qt/filedlg.cpp

@@ -105,7 +105,7 @@ wxString wxFileDialog::GetPath() const
 {
     wxArrayString paths;
     GetPaths(paths);
-    if (paths.size() == 0)
+    if (paths.empty())
         return "";
 
     return paths[0];
@@ -122,7 +122,7 @@ wxString wxFileDialog::GetFilename() const
 {
     wxArrayString filenames;
     GetFilenames(filenames);
-    if ( filenames.size() == 0 )
+    if ( filenames.empty() )
         return "";
 
     return filenames[0];