/* GTK - The GIMP Toolkit

 * gtkprintoperation.c: Print Operation

 * Copyright (C) 2006, Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#ifndef _MSC_VER

#define _WIN32_WINNT 0x0500

#define WINVER _WIN32_WINNT

#endif

#include "config.h"

#include "gtkprint-win32.h"

#include "gtkalias.h"

void

gtk_print_win32_devnames_free (GtkPrintWin32Devnames *devnames)

{

  g_free (devnames->driver);

  g_free (devnames->device);

  g_free (devnames->output);

  g_free (devnames);

}

GtkPrintWin32Devnames *

gtk_print_win32_devnames_from_win32 (HGLOBAL global)

{

  LPDEVNAMES win = GlobalLock (global);

  gunichar2 *data = (gunichar2 *)win;

  GtkPrintWin32Devnames *devnames = g_new (GtkPrintWin32Devnames, 1);

  devnames->driver = g_utf16_to_utf8 (data + win->wDriverOffset, 

				      -1, NULL, NULL, NULL);

  devnames->device = g_utf16_to_utf8 (data + win->wDeviceOffset, 

				      -1, NULL, NULL, NULL);

  devnames->output = g_utf16_to_utf8 (data + win->wOutputOffset, 

				      -1, NULL, NULL, NULL);

  devnames->flags = win->wDefault;

  GlobalUnlock (global);

  return devnames;

}

HGLOBAL 

gtk_print_win32_devnames_to_win32 (const GtkPrintWin32Devnames *devnames)

{

  HGLOBAL global;

  LPDEVNAMES windevnames;

  gunichar2 *data;

  gunichar2 *driver, *device, *output;

  glong driver_len, device_len, output_len;

  int i;

  driver = g_utf8_to_utf16 (devnames->driver, -1, NULL, &driver_len, NULL);

  device = g_utf8_to_utf16 (devnames->device, -1, NULL, &device_len, NULL);

  output = g_utf8_to_utf16 (devnames->output, -1, NULL, &output_len, NULL);

  global = GlobalAlloc (GMEM_MOVEABLE, 

			sizeof (DEVNAMES) + 

			(driver_len + 1) * 2 + 

			(device_len + 1) * 2 +

			(output_len + 1) * 2);

  windevnames = GlobalLock (global);

  data = (gunichar2 *)windevnames;

  i = sizeof(DEVNAMES) / sizeof (gunichar2);

  windevnames->wDriverOffset = i;

  memcpy (data + i, driver, (driver_len + 1) * sizeof (gunichar2));

  i += driver_len + 1;

  windevnames->wDeviceOffset = i;

  memcpy (data + i, device, (device_len + 1) * sizeof (gunichar2));

  i += device_len + 1;

  windevnames->wOutputOffset = i;

  memcpy (data + i, output, (output_len + 1) * sizeof (gunichar2));

  i += output_len + 1;

  windevnames->wDefault = devnames->flags;

  GlobalUnlock (global);

  g_free (driver);

  g_free (device);

  g_free (output);

  return global;

}

HGLOBAL 

gtk_print_win32_devnames_to_win32_from_printer_name (const char *printer_name)

{

  HGLOBAL global;

  GtkPrintWin32Devnames *devnames;

  devnames = gtk_print_win32_devnames_from_printer_name(printer_name);

  if (devnames)

    {

      global = gtk_print_win32_devnames_to_win32 (devnames);

      gtk_print_win32_devnames_free (devnames);

    }

  else

    global = NULL;

  return global;

}

/*

 * Used to get printer device information from a printer name.  This

 * can fail if the user has no right to read printer properties, so

 * this function can return NULL.

 */

GtkPrintWin32Devnames *

gtk_print_win32_devnames_from_printer_name (const char *printer_name)

{

  HANDLE hprinter;

  gunichar2* win32_printer_name;

  GtkPrintWin32Devnames *devnames;

  win32_printer_name = g_utf8_to_utf16 (printer_name, -1, NULL, NULL, NULL);

  if (OpenPrinterW (win32_printer_name, &hprinter, NULL))

    {

      DWORD needed;

      PRINTER_INFO_2W* printer_info;

      GetPrinterW (hprinter, 2, NULL, 0, &needed);

      printer_info = (PRINTER_INFO_2W* )g_malloc ((gsize) needed);

      GetPrinterW (hprinter, 2, (LPBYTE) printer_info, needed, &needed);

      devnames = g_new (GtkPrintWin32Devnames, 1);

      devnames->driver = g_utf16_to_utf8 (printer_info->pDriverName, -1, NULL, NULL, NULL);

      devnames->device = g_strdup (printer_name);

      devnames->output = g_utf16_to_utf8 (printer_info->pPortName, -1, NULL, NULL, NULL);

      devnames->flags  = 0;

      ClosePrinter (hprinter);

      g_free (printer_info);

    }

  else

    {

      /* Could not open printer */

      devnames = NULL;

    }

  g_free (win32_printer_name);

  return devnames;

}

#define __GTK_PRINT_WIN32_C__

#include "gtkaliasdef.c"