/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2005 John Fitzgibbons and others
Copyright (C) 2007-2008 Kristian Duske
Copyright (C) 2010-2014 QuakeSpasm developers

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "quakedef.h"
#include <windows.h>
#include <SDL.h>
#include <SDL_syswm.h>

static HICON icon;

void PL_SetWindowIcon (void)
{
	HINSTANCE handle;
	SDL_SysWMinfo wminfo;
	HWND hwnd;

	handle = GetModuleHandle(NULL);
	icon = LoadIcon(handle, "icon");

	if (!icon)
		return;	/* no icon in the exe */

	SDL_VERSION(&wminfo.version);

	if (SDL_GetWindowWMInfo((SDL_Window*) VID_GetWindow(), &wminfo) != SDL_TRUE)
		return;	/* wrong SDL version */

	hwnd = wminfo.info.win.window;
#ifdef _WIN64
	SetClassLongPtr(hwnd, GCLP_HICON, (LONG_PTR) icon);
#else
	SetClassLong(hwnd, GCL_HICON, (LONG) icon);
#endif
}

void PL_VID_Shutdown (void)
{
	DestroyIcon(icon);
}

#define MAX_CLIPBOARDTXT	MAXCMDLINE	/* 256 */
char *PL_GetClipboardData (void)
{
	char *data = NULL;
	char *cliptext;

	if (OpenClipboard(NULL) != 0)
	{
		HANDLE hClipboardData;

		if ((hClipboardData = GetClipboardData(CF_TEXT)) != NULL)
		{
			cliptext = (char *) GlobalLock(hClipboardData);
			if (cliptext != NULL)
			{
				size_t size = GlobalSize(hClipboardData) + 1;
			/* this is intended for simple small text copies
			 * such as an ip address, etc:  do chop the size
			 * here, otherwise we may experience Z_Malloc()
			 * failures and all other not-oh-so-fun stuff. */
				size = q_min(MAX_CLIPBOARDTXT, size);
				data = (char *) Z_Malloc(size);
				q_strlcpy (data, cliptext, size);
				GlobalUnlock (hClipboardData);
			}
		}
		CloseClipboard ();
	}
	return data;
}

void PL_ErrorDialog(const char *errorMsg)
{
	MessageBox (NULL, errorMsg, "Quake Error",
			MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
}