gtkprint-win32.c 4.58 KB
Newer Older
Cody Russell's avatar
Cody Russell committed
1
/* GTK - The GIMP Toolkit
2 3 4 5 6 7 8 9 10 11 12 13 14 15
 * 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
Javier Jardón's avatar
Javier Jardón committed
16
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 18 19
 */

#ifndef _MSC_VER
LRN's avatar
LRN committed
20
#ifndef _WIN32_WINNT
21 22
/* Vista or newer */
#define _WIN32_WINNT 0x0600
LRN's avatar
LRN committed
23 24
#endif
#ifndef WINVER
25 26
#define WINVER _WIN32_WINNT
#endif
LRN's avatar
LRN committed
27
#endif
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104

#include "config.h"
#include "gtkprint-win32.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 
105
gtk_print_win32_devnames_to_win32_from_printer_name (const char *printer_name)
106
{
107 108
  HGLOBAL global;
  GtkPrintWin32Devnames *devnames;
109

110
  devnames = gtk_print_win32_devnames_from_printer_name(printer_name);
111 112 113 114 115
  if (devnames)
    {
      global = gtk_print_win32_devnames_to_win32 (devnames);
      gtk_print_win32_devnames_free (devnames);
    }
116 117
  else
    global = NULL;
118

119 120 121
  return global;
}

122 123 124 125 126
/*
 * 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.
 */
127 128 129 130 131 132
GtkPrintWin32Devnames *
gtk_print_win32_devnames_from_printer_name (const char *printer_name)
{
  HANDLE hprinter;
  gunichar2* win32_printer_name;
  GtkPrintWin32Devnames *devnames;
133

134
  win32_printer_name = g_utf8_to_utf16 (printer_name, -1, NULL, NULL, NULL);
135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157
  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);

158
  return devnames;
159
}