fixing overrelease and out-of-bounds write, fixes #13725

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

diff --git a/src/common/cmndata.cpp b/src/common/cmndata.cpp
index 3c04d1d0b961b7e4b4eca4ecf0014578a3989e5c..46c8b1f9d862119c14c3ce78efed3451fce5561e 100644 (file)
--- a/src/common/cmndata.cpp
+++ b/src/common/cmndata.cpp
@@ -24,6 +24,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_PRINTING_ARCHITECTURE
+
 #include "wx/cmndata.h"
 
 #ifndef WX_PRECOMP
@@ -38,16 +40,8 @@
     #include "wx/gdicmn.h"
 #endif
 
-#include "wx/tokenzr.h"
 #include "wx/prntbase.h"
 #include "wx/printdlg.h"
-
-#if wxUSE_FONTDLG
-    #include "wx/fontdlg.h"
-#endif // wxUSE_FONTDLG
-
-#if wxUSE_PRINTING_ARCHITECTURE
-
 #include "wx/paper.h"
 
 
@@ -55,133 +49,10 @@ IMPLEMENT_DYNAMIC_CLASS(wxPrintData, wxObject)
 IMPLEMENT_DYNAMIC_CLASS(wxPrintDialogData, wxObject)
 IMPLEMENT_DYNAMIC_CLASS(wxPageSetupDialogData, wxObject)
 
-#endif // wxUSE_PRINTING_ARCHITECTURE
-
-IMPLEMENT_DYNAMIC_CLASS(wxFontData, wxObject)
-IMPLEMENT_DYNAMIC_CLASS(wxColourData, wxObject)
-
 // ============================================================================
 // implementation
 // ============================================================================
 
-// ----------------------------------------------------------------------------
-// wxColourData
-// ----------------------------------------------------------------------------
-
-wxColourData::wxColourData()
-{
-    m_chooseFull = false;
-    m_dataColour.Set(0,0,0);
-    // m_custColours are wxNullColours initially
-}
-
-wxColourData::wxColourData(const wxColourData& data)
-            : wxObject()
-{
-    (*this) = data;
-}
-
-wxColourData::~wxColourData()
-{
-}
-
-void wxColourData::SetCustomColour(int i, const wxColour& colour)
-{
-    wxCHECK_RET( i >= 0 && i < NUM_CUSTOM, _T("custom colour index out of range") );
-
-    m_custColours[i] = colour;
-}
-
-wxColour wxColourData::GetCustomColour(int i)
-{
-    wxCHECK_MSG( i >= 0 && i < NUM_CUSTOM, wxColour(0,0,0),
-                 _T("custom colour index out of range") );
-
-    return m_custColours[i];
-}
-
-wxColourData& wxColourData::operator=(const wxColourData& data)
-{
-    for ( int i = 0; i < NUM_CUSTOM; i++)
-        m_custColours[i] = data.m_custColours[i];
-
-    m_dataColour = data.m_dataColour;
-    m_chooseFull = data.m_chooseFull;
-
-    return *this;
-}
-
-// ----------------------------------------------------------------------------
-// [de]serialization
-// ----------------------------------------------------------------------------
-
-// separator used between different fields
-static const char wxCOL_DATA_SEP = ',';
-
-wxString wxColourData::ToString() const
-{
-    wxString str(m_chooseFull ? '1' : '0');
-
-    for ( int i = 0; i < NUM_CUSTOM; i++ )
-    {
-        str += wxCOL_DATA_SEP;
-
-        const wxColour& clr = m_custColours[i];
-        if ( clr.IsOk() )
-            str += clr.GetAsString(wxC2S_HTML_SYNTAX);
-    }
-
-    return str;
-}
-
-bool wxColourData::FromString(const wxString& str)
-{
-    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++)
-    {
-        token = tokenizer.GetNextToken();
-        if (token.empty())
-            m_custColours[i] = wxNullColour;
-        else
-            success = m_custColours[i].Set(token);
-    }
-    return success;
-}
-
-// ----------------------------------------------------------------------------
-// Font data
-// ----------------------------------------------------------------------------
-
-wxFontData::wxFontData()
-{
-    // Intialize colour to black.
-    m_fontColour = wxNullColour;
-
-    m_showHelp = false;
-    m_allowSymbols = true;
-    m_enableEffects = true;
-    m_minSize = 0;
-    m_maxSize = 0;
-
-    m_encoding = wxFONTENCODING_SYSTEM;
-}
-
-wxFontData::~wxFontData()
-{
-}
-
-#if wxUSE_FONTDLG
-
-wxFontDialogBase::~wxFontDialogBase()
-{
-}
-
-#endif // wxUSE_FONTDLG
-
-#if wxUSE_PRINTING_ARCHITECTURE
 // ----------------------------------------------------------------------------
 // Print data
 // ----------------------------------------------------------------------------
@@ -223,11 +94,7 @@ wxPrintData::wxPrintData(const wxPrintData& printData)
 
 void wxPrintData::SetPrivData( char *privData, int len )
 {
-    if (m_privData)
-    {
-        delete [] m_privData;
-        m_privData = NULL;
-    }
+    wxDELETEA(m_privData);
     m_privDataLen = len;
     if (m_privDataLen > 0)
     {
@@ -256,8 +123,11 @@ 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;
@@ -284,17 +154,15 @@ void wxPrintData::operator=(const wxPrintData& data)
     m_nativeData = data.GetNativeData();
     m_nativeData->m_ref++;
 
-    if (m_privData)
-    {
-        delete [] m_privData;
-        m_privData = NULL;
-    }
+    wxDELETEA(m_privData);
     m_privDataLen = data.GetPrivDataLen();
     if (m_privDataLen > 0)
     {
         m_privData = new char[m_privDataLen];
         memcpy( m_privData, data.GetPrivData(), m_privDataLen );
     }
+
+    return *this;
 }
 
 // Is this data OK for showing the print dialog?
@@ -302,7 +170,7 @@ bool wxPrintData::IsOk() const
 {
     m_nativeData->TransferFrom( *this );
 
-    return m_nativeData->Ok();
+    return m_nativeData->IsOk();
 }
 
 // ----------------------------------------------------------------------------
@@ -499,7 +367,7 @@ void wxPageSetupDialogData::SetPrintData(const wxPrintData& printData)
 // paper id
 void wxPageSetupDialogData::CalculateIdFromPaperSize()
 {
-    wxASSERT_MSG( (wxThePrintPaperDatabase != (wxPrintPaperDatabase*) NULL),
+    wxASSERT_MSG( (wxThePrintPaperDatabase != NULL),
                   wxT("wxThePrintPaperDatabase should not be NULL. Do not create global print dialog data objects.") );
 
     wxSize sz = GetPaperSize();
@@ -514,14 +382,17 @@ void wxPageSetupDialogData::CalculateIdFromPaperSize()
 // Use paper id in wxPrintData to set this object's paper size
 void wxPageSetupDialogData::CalculatePaperSizeFromId()
 {
-    wxASSERT_MSG( (wxThePrintPaperDatabase != (wxPrintPaperDatabase*) NULL),
+    wxASSERT_MSG( (wxThePrintPaperDatabase != NULL),
                   wxT("wxThePrintPaperDatabase should not be NULL. Do not create global print dialog data objects.") );
 
     wxSize sz = wxThePrintPaperDatabase->GetSize(m_printData.GetPaperId());
 
-    // sz is in 10ths of a mm, while paper size is in mm
-    m_paperSize.x = sz.x / 10;
-    m_paperSize.y = sz.y / 10;
+    if (sz != wxSize(0, 0))
+    {
+        // sz is in 10ths of a mm, while paper size is in mm
+        m_paperSize.x = sz.x / 10;
+        m_paperSize.y = sz.y / 10;
+    }
 }
 
 #endif // wxUSE_PRINTING_ARCHITECTURE