always properly check if SeekI() calls succeded; this makes CanRead() functions of...

[wxWidgets.git] / src / common / cmndata.cpp

diff --git a/src/common/cmndata.cpp b/src/common/cmndata.cpp
index 2edd26ca9af324e1e160a4d3e024bc9e17b0d40b..4a02c492980384c4f437b4bf5bcb5a97a790f58d 100644 (file)
--- a/src/common/cmndata.cpp
+++ b/src/common/cmndata.cpp
@@ -38,6 +38,7 @@
     #include "wx/gdicmn.h"
 #endif
 
+#include "wx/tokenzr.h"
 #include "wx/prntbase.h"
 #include "wx/printdlg.h"
 
@@ -91,7 +92,7 @@ void wxColourData::SetCustomColour(int i, const wxColour& colour)
     m_custColours[i] = colour;
 }
 
-wxColour wxColourData::GetCustomColour(int i)
+wxColour wxColourData::GetCustomColour(int i) const
 {
     wxCHECK_MSG( i >= 0 && i < NUM_CUSTOM, wxColour(0,0,0),
                  _T("custom colour index out of range") );
@@ -135,43 +136,19 @@ wxString wxColourData::ToString() const
 
 bool wxColourData::FromString(const wxString& str)
 {
-    wxString token;
-    int n = -1; // index of the field, -1 corresponds to m_chooseFull
-    for ( wxString::const_iterator i = str.begin(); i != str.end(); ++i )
+    wxStringTokenizer tokenizer(str, wxCOL_DATA_SEP);
+    wxString token = tokenizer.GetNextToken();
+    m_chooseFull = token == '1';
+    bool success = m_chooseFull || token == '0';
+    for (int i = 0; success && i < NUM_CUSTOM; i++)
     {
-        if ( *i == wxCOL_DATA_SEP )
-        {
-            if ( n == -1 )
-            {
-                if ( token == '0' )
-                    m_chooseFull = false;
-                else if ( token == '1' )
-                    m_chooseFull = true;
-                else // only '0' and '1' are used in ToString()
-                    return false;
-            }
-            else // custom colour
-            {
-                if ( n == WXSIZEOF(m_custColours) )
-                    return false;   // too many custom colours
-
-                // empty strings are used by ToString() for colours not used
-                if ( token.empty() )
-                    m_custColours[n] = wxNullColour;
-                else if ( !m_custColours[n].Set(token) )
-                    return false;   // invalid colour string
-            }
-
-            token.clear();
-            n++;
-        }
-        else // continuation of the current field
-        {
-            token += *i;
-        }
+        token = tokenizer.GetNextToken();
+        if (token.empty())
+            m_custColours[i] = wxNullColour;
+        else
+            success = m_custColours[i].Set(token);
     }
-
-    return true;
+    return success;
 }
 
 // ----------------------------------------------------------------------------
@@ -279,8 +256,11 @@ void wxPrintData::ConvertFromNative()
     m_nativeData->TransferTo( *this ) ;
 }
 
-void wxPrintData::operator=(const wxPrintData& data)
+wxPrintData& wxPrintData::operator=(const wxPrintData& data)
 {
+    if ( &data == this )
+        return *this;
+
     m_printNoCopies = data.m_printNoCopies;
     m_printCollate = data.m_printCollate;
     m_printOrientation = data.m_printOrientation;
@@ -318,6 +298,8 @@ void wxPrintData::operator=(const wxPrintData& data)
         m_privData = new char[m_privDataLen];
         memcpy( m_privData, data.GetPrivData(), m_privDataLen );
     }
+
+    return *this;
 }
 
 // Is this data OK for showing the print dialog?
@@ -365,7 +347,12 @@ wxPrintDialogData::wxPrintDialogData(const wxPrintData& printData)
     m_printMinPage = 1;
     m_printMaxPage = 9999;
     m_printNoCopies = 1;
+    // On Mac the Print dialog always defaults to "All Pages"
+#ifdef __WXMAC__
+    m_printAllPages = true;
+#else
     m_printAllPages = false;
+#endif
     m_printCollate = false;
     m_printToFile = false;
     m_printSelection = false;