#include <stdlib.h>
+// smart pointer like class using OpenPrinter and ClosePrinter
+class WinPrinter
+{
+public:
+ // default ctor
+ WinPrinter()
+ {
+ m_hPrinter = (HANDLE)NULL;
+ }
+
+ WinPrinter( const wxString& printerName )
+ {
+ Open( printerName );
+ }
+
+ ~WinPrinter()
+ {
+ Close();
+ }
+
+ BOOL Open( const wxString& printerName, LPPRINTER_DEFAULTS pDefault=(LPPRINTER_DEFAULTS)NULL )
+ {
+ Close();
+ return OpenPrinter( (LPTSTR)printerName.wx_str(), &m_hPrinter, pDefault );
+ }
+
+ BOOL Close()
+ {
+ BOOL result = TRUE;
+ if( m_hPrinter )
+ {
+ result = ClosePrinter( m_hPrinter );
+ m_hPrinter = (HANDLE)NULL;
+ }
+ return result;
+ }
+
+ operator HANDLE() { return m_hPrinter; }
+ operator bool() { return m_hPrinter != (HANDLE)NULL; }
+
+private:
+ HANDLE m_hPrinter;
+
+ wxDECLARE_NO_COPY_CLASS(WinPrinter);
+};
+
+
//----------------------------------------------------------------------------
// wxWindowsPrintNativeData
//----------------------------------------------------------------------------
bool wxWindowsPrintNativeData::TransferTo( wxPrintData &data )
{
+ if ( !m_devMode )
+ InitializeDevMode();
+
if ( !m_devMode )
return false;
//// Orientation
if (devMode->dmFields & DM_ORIENTATION)
- data.SetOrientation( devMode->dmOrientation );
+ data.SetOrientation( (wxPrintOrientation)devMode->dmOrientation );
//// Collation
if (devMode->dmFields & DM_COLLATE)
return true;
}
-bool wxWindowsPrintNativeData::TransferFrom( const wxPrintData &data )
+void wxWindowsPrintNativeData::InitializeDevMode(const wxString& printerName, WinPrinter* printer)
{
- HGLOBAL hDevMode = static_cast<HGLOBAL>(m_devMode);
+ if (m_devMode)
+ return;
+
+ LPTSTR szPrinterName = (LPTSTR)printerName.wx_str();
+
+ // From MSDN: How To Modify Printer Settings with the DocumentProperties() Function
+ // The purpose of this is to fill the DEVMODE with privdata from printer driver.
+ // If we have a printer name and OpenPrinter sucessfully returns
+ // this replaces the PrintDlg function which creates the DEVMODE filled only with data from default printer.
+ if ( !m_devMode && !printerName.IsEmpty() )
+ {
+ // Open printer
+ if ( printer && printer->Open( printerName ) == TRUE )
+ {
+ DWORD dwNeeded, dwRet;
+
+ // Step 1:
+ // Allocate a buffer of the correct size.
+ dwNeeded = DocumentProperties( NULL,
+ printer, // Handle to our printer.
+ szPrinterName, // Name of the printer.
+ NULL, // Asking for size, so
+ NULL, // these are not used.
+ 0 ); // Zero returns buffer size.
+
+ LPDEVMODE tempDevMode = static_cast<LPDEVMODE>( GlobalAlloc( GMEM_FIXED | GMEM_ZEROINIT, dwNeeded ) );
+
+ // Step 2:
+ // Get the default DevMode for the printer
+ dwRet = DocumentProperties( NULL,
+ printer,
+ szPrinterName,
+ tempDevMode, // The address of the buffer to fill.
+ NULL, // Not using the input buffer.
+ DM_OUT_BUFFER ); // Have the output buffer filled.
+
+ if ( dwRet != IDOK )
+ {
+ // If failure, cleanup
+ GlobalFree( tempDevMode );
+ printer->Close();
+ }
+ else
+ {
+ m_devMode = tempDevMode;
+ tempDevMode = NULL;
+ }
+ }
+ }
+
if ( !m_devMode )
{
// Use PRINTDLG as a way of creating a DEVMODE object
}
else
{
- hDevMode = pd.hDevMode;
- m_devMode = hDevMode;
+ m_devMode = pd.hDevMode;
pd.hDevMode = NULL;
// We'll create a new DEVNAMEs structure below.
}
}
+}
+
+bool wxWindowsPrintNativeData::TransferFrom( const wxPrintData &data )
+{
+ WinPrinter printer;
+ LPTSTR szPrinterName = (LPTSTR)data.GetPrinterName().wx_str();
+
+ if (!m_devMode)
+ InitializeDevMode(data.GetPrinterName(), &printer);
+
+ HGLOBAL hDevMode = static_cast<HGLOBAL>(m_devMode);
+
if ( hDevMode )
{
GlobalPtrLock lockDevMode(hDevMode);
devMode->dmPaperLength = (short)(paperSize.y * 10);
devMode->dmFields |= DM_PAPERWIDTH;
devMode->dmFields |= DM_PAPERLENGTH;
+
+ // A printer driver may or may not also want DM_PAPERSIZE to
+ // be specified. Also, if the printer driver doesn't implement the DMPAPER_USER
+ // size, then this won't work, and even if you found the correct id by
+ // enumerating the driver's paper sizes, it probably won't change the actual size,
+ // it'll just select that custom paper type with its own current setting.
+ // For a discussion on this, see http://www.codeguru.com/forum/showthread.php?threadid=458617
+ // Although m_customWindowsPaperId is intended to work around this, it's
+ // unclear how it can help you set the custom paper size programmatically.
}
//else: neither paper type nor size specified, don't fill DEVMODE
// at all so that the system defaults are used
break;
default:
quality = (short)data.GetQuality();
+ devMode->dmYResolution = quality;
+ devMode->dmFields |= DM_YRESOLUTION;
break;
}
devMode->dmPrintQuality = quality;
devMode->dmMediaType = data.GetMedia();
devMode->dmFields |= DM_MEDIATYPE;
}
+
+ if( printer )
+ {
+ // Step 3:
+ // Merge the new settings with the old.
+ // This gives the driver an opportunity to update any private
+ // portions of the DevMode structure.
+ DocumentProperties( NULL,
+ printer,
+ szPrinterName,
+ (LPDEVMODE)hDevMode, // Reuse our buffer for output.
+ (LPDEVMODE)hDevMode, // Pass the driver our changes
+ DM_IN_BUFFER | // Commands to Merge our changes and
+ DM_OUT_BUFFER ); // write the result.
+ }
}
if ( m_devNames )
projects / wxWidgets.git / blobdiff