/* GDK - The GIMP Drawing Kit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * 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.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
 */

#include "config.h"

#include <string.h>

#include "gdkproperty.h"
#include "gdkselection.h"
#include "gdkinternals.h"
#include "gdkprivate-win32.h"
#include "gdkdrawable-win32.h"
#include "gdkwindow-win32.h"

GdkAtom
gdk_atom_intern (const gchar *atom_name,
		 gint         only_if_exists)
{
  GdkAtom retval;
  static GHashTable *atom_hash = NULL;
  ATOM win32_atom;
  
  if (!atom_hash)
    atom_hash = g_hash_table_new (g_str_hash, g_str_equal);

  retval = g_hash_table_lookup (atom_hash, atom_name);
  if (!retval)
    {
      if (strcmp (atom_name, "PRIMARY") == 0)
	retval = GDK_SELECTION_PRIMARY;
      else if (strcmp (atom_name, "SECONDARY") == 0)
	retval = GDK_SELECTION_SECONDARY;
      else if (strcmp (atom_name, "CLIPBOARD") == 0)
	retval = GDK_SELECTION_CLIPBOARD;
      else if (strcmp (atom_name, "ATOM") == 0)
	retval = GDK_SELECTION_TYPE_ATOM;
      else if (strcmp (atom_name, "BITMAP") == 0)
	retval = GDK_SELECTION_TYPE_BITMAP;
      else if (strcmp (atom_name, "COLORMAP") == 0)
	retval = GDK_SELECTION_TYPE_COLORMAP;
      else if (strcmp (atom_name, "DRAWABLE") == 0)
	retval = GDK_SELECTION_TYPE_DRAWABLE;
      else if (strcmp (atom_name, "INTEGER") == 0)
	retval = GDK_SELECTION_TYPE_INTEGER;
      else if (strcmp (atom_name, "PIXMAP") == 0)
	retval = GDK_SELECTION_TYPE_PIXMAP;
      else if (strcmp (atom_name, "WINDOW") == 0)
	retval = GDK_SELECTION_TYPE_WINDOW;
      else if (strcmp (atom_name, "STRING") == 0)
	retval = GDK_SELECTION_TYPE_STRING;
      else
	{
	  win32_atom = GlobalFindAtom (atom_name);
	  if (only_if_exists && retval == 0)
	    win32_atom = 0;
	  else
	    win32_atom = GlobalAddAtom (atom_name);
	  retval = GUINT_TO_POINTER (win32_atom);
	}
      g_hash_table_insert (atom_hash, 
			   g_strdup (atom_name), 
			   retval);
    }

  return retval;
}

gchar *
gdk_atom_name (GdkAtom atom)
{
  gchar name[256];
  ATOM win32_atom;

  if (GDK_SELECTION_PRIMARY == atom) return g_strdup ("PRIMARY");
  else if (GDK_SELECTION_SECONDARY == atom) return g_strdup ("SECONDARY");
  else if (GDK_SELECTION_CLIPBOARD == atom) return g_strdup ("CLIPBOARD");
  else if (GDK_SELECTION_TYPE_ATOM == atom) return g_strdup ("ATOM");
  else if (GDK_SELECTION_TYPE_BITMAP == atom) return g_strdup ("BITMAP");
  else if (GDK_SELECTION_TYPE_COLORMAP == atom) return g_strdup ("COLORMAP");
  else if (GDK_SELECTION_TYPE_DRAWABLE == atom) return g_strdup ("DRAWABLE");
  else if (GDK_SELECTION_TYPE_INTEGER == atom) return g_strdup ("INTEGER");
  else if (GDK_SELECTION_TYPE_PIXMAP == atom) return g_strdup ("PIXMAP");
  else if (GDK_SELECTION_TYPE_WINDOW == atom) return g_strdup ("WINDOW");
  else if (GDK_SELECTION_TYPE_STRING == atom) return g_strdup ("STRING");
  
  win32_atom = GPOINTER_TO_UINT (atom);
  
  if (win32_atom < 0xC000)
    return g_strdup_printf ("#%x", atom);
  else if (GlobalGetAtomName (win32_atom, name, sizeof (name)) == 0)
    return NULL;
  return g_strdup (name);
}

gint
gdk_property_get (GdkWindow   *window,
		  GdkAtom      property,
		  GdkAtom      type,
		  gulong       offset,
		  gulong       length,
		  gint         pdelete,
		  GdkAtom     *actual_property_type,
		  gint        *actual_format_type,
		  gint        *actual_length,
		  guchar     **data)
{
  g_return_val_if_fail (window != NULL, FALSE);
  g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);

  if (GDK_WINDOW_DESTROYED (window))
    return FALSE;

  g_warning ("gdk_property_get: Not implemented");

  return FALSE;
}

void
gdk_property_change (GdkWindow    *window,
		     GdkAtom       property,
		     GdkAtom       type,
		     gint          format,
		     GdkPropMode   mode,
		     const guchar *data,
		     gint          nelements)
{
  HGLOBAL hdata;
  gint i, length;
  gchar *prop_name, *type_name;
  guchar *ptr;

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));

  if (GDK_WINDOW_DESTROYED (window))
    return;

  GDK_NOTE (MISC,
	    (prop_name = gdk_atom_name (property),
	     type_name = gdk_atom_name (type),
	     g_print ("gdk_property_change: %#x %#x (%s) %#x (%s) %s %d*%d bytes %.10s\n",
		      (guint) GDK_WINDOW_HWND (window),
		      (guint) property, prop_name,
		      (guint) type, type_name,
		      (mode == GDK_PROP_MODE_REPLACE ? "REPLACE" :
		       (mode == GDK_PROP_MODE_PREPEND ? "PREPEND" :
			(mode == GDK_PROP_MODE_APPEND ? "APPEND" :
			 "???"))),
		      format, nelements, data),
	     g_free (prop_name),
	     g_free (type_name)));

  if (property == _gdk_selection_property
      && type == GDK_TARGET_STRING
      && format == 8
      && mode == GDK_PROP_MODE_REPLACE)
    {
      length = nelements;
      for (i = 0; i < nelements; i++)
	if (data[i] == '\n')
	  length++;
#if 1      
      GDK_NOTE (MISC, g_print ("...OpenClipboard(%#x)\n",
			       (guint) GDK_WINDOW_HWND (window)));
      if (!OpenClipboard (GDK_WINDOW_HWND (window)))
	{
	  WIN32_API_FAILED ("OpenClipboard");
	  return;
	}
#endif
      hdata = GlobalAlloc (GMEM_MOVEABLE|GMEM_DDESHARE, length + 1);
      ptr = GlobalLock (hdata);
      GDK_NOTE (MISC, g_print ("...hdata=%#x, ptr=%p\n", (guint) hdata, ptr));

      for (i = 0; i < nelements; i++)
	{
	  if (*data == '\n')
	    *ptr++ = '\r';
	  *ptr++ = *data++;
	}
      *ptr++ = '\0';
      GlobalUnlock (hdata);
      GDK_NOTE (MISC, g_print ("...SetClipboardData(CF_TEXT, %#x)\n",
			       (guint) hdata));
      if (!SetClipboardData(CF_TEXT, hdata))
	WIN32_API_FAILED ("SetClipboardData");
#if 1
      GDK_NOTE (MISC, g_print ("...CloseClipboard()\n"));
      if (!CloseClipboard ())
	WIN32_API_FAILED ("CloseClipboard");
#endif
    }
  else
    g_warning ("gdk_property_change: General case not implemented");
}

void
gdk_property_delete (GdkWindow *window,
		     GdkAtom    property)
{
  gchar *prop_name;
  extern void gdk_selection_property_delete (GdkWindow *);

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));

  GDK_NOTE (MISC,
	    (prop_name = gdk_atom_name (property),
	     g_print ("gdk_property_delete: %#x %#x (%s)\n",
		      (window ? (guint) GDK_WINDOW_HWND (window) : 0),
		      (guint) property, prop_name),
	     g_free (prop_name)));

  if (property == _gdk_selection_property)
    gdk_selection_property_delete (window);
  else
    g_warning ("gdk_property_delete: General case not implemented");
}

gboolean
gdk_setting_get (const gchar *name,
		 GValue      *value)
{
  /*
   * XXX : if these values get changed through the Windoze UI the
   *       respective gdk_events are not generated yet.
   */
  if (strcmp ("double-click-timeout", name) == 0)
    {
      g_value_set_int (value, GetDoubleClickTime ());
      return TRUE;
    }
  else if (strcmp ("drag-threshold", name) == 0)
    {
      g_value_set_int (value, MAX(GetSystemMetrics (SM_CXDRAG), GetSystemMetrics (SM_CYDRAG)));
      return TRUE;
    }
  else
    return FALSE;
}