--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os2.cpp	Wed Jan 10 18:12:09 2007 +0000
@@ -0,0 +1,266 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "variables.h"
+#include "string.h"
+#include "table/strings.h"
+#include "gfx.h"
+#include "gui.h"
+#include "functions.h"
+#include "macros.h"
+
+#include <direct.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <time.h>
+#include <dos.h>
+
+#define INCL_WIN
+#define INCL_WINCLIPBOARD
+
+#include <os2.h>
+#include <i86.h>
+
+bool FiosIsRoot(const char *file)
+{
+	return path[3] == '\0';
+}
+
+void FiosGetDrives(void)
+{
+	FiosItem *fios;
+	unsigned disk, disk2, save, total;
+
+	_dos_getdrive(&save); // save original drive
+
+	/* get an available drive letter */
+	for (disk = 1;; disk++) {
+		_dos_setdrive(disk, &total);
+		if (disk >= total) return;
+		_dos_getdrive(&disk2);
+
+		if (disk == disk2) {
+			FiosItem *fios = FiosAlloc();
+			fios->type = FIOS_TYPE_DRIVE;
+			fios->mtime = 0;
+			snprintf(fios->name, lengthof(fios->name),  "%c:", 'A' + disk - 1);
+			ttd_strlcpy(fios->title, fios->name, lengthof(fios->title));
+		}
+	}
+
+	_dos_setdrive(save, &total); // restore the original drive
+}
+
+bool FiosGetDiskFreeSpace(const char *path, uint32 *tot)
+{
+	struct diskfree_t free;
+	char drive = path[0] - 'A' + 1;
+
+	if (tot != NULL && _getdiskfree(drive, &free) == 0) {
+		*tot = free.avail_clusters * free.sectors_per_cluster * free.bytes_per_sector;
+		return true;
+	}
+
+	return false;
+}
+
+bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
+{
+	char filename[MAX_PATH];
+
+	snprintf(filename, lengthof(filename), "%s" PATHSEP "%s", path, ent->d_name);
+	if (stat(filename, sb) != 0) return false;
+
+	return (ent->d_name[0] != '.'); // hidden file
+}
+
+static void ChangeWorkingDirectory(char *exe)
+{
+	char *s = strrchr(exe, '\\');
+	if (s != NULL) {
+		*s = '\0';
+		chdir(exe);
+		*s = '\\';
+	}
+}
+
+void ShowInfo(const char *str)
+{
+	HAB hab;
+	HMQ hmq;
+	ULONG rc;
+
+	// init PM env.
+	hmq = WinCreateMsgQueue((hab = WinInitialize(0)), 0);
+
+	// display the box
+	rc = WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, str, "OpenTTD", 0, MB_OK | MB_MOVEABLE | MB_INFORMATION);
+
+	// terminate PM env.
+	WinDestroyMsgQueue(hmq);
+	WinTerminate(hab);
+}
+
+void ShowOSErrorBox(const char *buf)
+{
+	HAB hab;
+	HMQ hmq;
+	ULONG rc;
+
+	// init PM env.
+	hmq = WinCreateMsgQueue((hab = WinInitialize(0)), 0);
+
+	// display the box
+	rc = WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, buf, "OpenTTD", 0, MB_OK | MB_MOVEABLE | MB_ERROR);
+
+	// terminate PM env.
+	WinDestroyMsgQueue(hmq);
+	WinTerminate(hab);
+}
+
+int CDECL main(int argc, char* argv[])
+{
+	// change the working directory to enable doubleclicking in UIs
+	ChangeWorkingDirectory(argv[0]);
+
+	_random_seeds[1][1] = _random_seeds[1][0] = _random_seeds[0][1] = _random_seeds[0][0] = time(NULL);
+
+	return ttd_main(argc, argv);
+}
+
+void DeterminePaths(void)
+{
+	char *s;
+
+	_paths.game_data_dir = malloc(MAX_PATH);
+	ttd_strlcpy(_paths.game_data_dir, GAME_DATA_DIR, MAX_PATH);
+	#if defined SECOND_DATA_DIR
+	_paths.second_data_dir = malloc(MAX_PATH);
+	ttd_strlcpy(_paths.second_data_dir, SECOND_DATA_DIR, MAX_PATH);
+	#endif
+
+#if defined(USE_HOMEDIR)
+	{
+		const char *homedir = getenv("HOME");
+
+		if (homedir == NULL) {
+			const struct passwd *pw = getpwuid(getuid());
+			if (pw != NULL) homedir = pw->pw_dir;
+		}
+
+		_paths.personal_dir = str_fmt("%s" PATHSEP "%s", homedir, PERSONAL_DIR);
+	}
+
+#else /* not defined(USE_HOMEDIR) */
+
+	_paths.personal_dir = malloc(MAX_PATH);
+	ttd_strlcpy(_paths.personal_dir, PERSONAL_DIR, MAX_PATH);
+
+	// check if absolute or relative path
+	s = strchr(_paths.personal_dir, '\\');
+
+	// add absolute path
+	if (s == NULL || _paths.personal_dir != s) {
+		getcwd(_paths.personal_dir, MAX_PATH);
+		s = strchr(_paths.personal_dir, 0);
+		*s++ = '\\';
+		ttd_strlcpy(s, PERSONAL_DIR, MAX_PATH);
+	}
+
+#endif /* defined(USE_HOMEDIR) */
+
+	s = strchr(_paths.personal_dir, 0);
+
+	// append a / ?
+	if (s[-1] != '\\') strcpy(s, "\\");
+
+	_paths.save_dir = str_fmt("%ssave", _paths.personal_dir);
+	_paths.autosave_dir = str_fmt("%s\\autosave", _paths.save_dir);
+	_paths.scenario_dir = str_fmt("%sscenario", _paths.personal_dir);
+	_paths.heightmap_dir = str_fmt("%sscenario\\heightmap", _paths.personal_dir);
+	_paths.gm_dir = str_fmt("%sgm\\", _paths.game_data_dir);
+	_paths.data_dir = str_fmt("%sdata\\", _paths.game_data_dir);
+
+	if (_config_file == NULL)
+		_config_file = str_fmt("%sopenttd.cfg", _paths.personal_dir);
+
+	_highscore_file = str_fmt("%shs.dat", _paths.personal_dir);
+	_log_file = str_fmt("%sopenttd.log", _paths.personal_dir);
+
+#if defined CUSTOM_LANG_DIR
+	// sets the search path for lng files to the custom one
+	_paths.lang_dir = malloc( MAX_PATH );
+	ttd_strlcpy( _paths.lang_dir, CUSTOM_LANG_DIR, MAX_PATH);
+#else
+	_paths.lang_dir = str_fmt("%slang\\", _paths.game_data_dir);
+#endif
+
+	// create necessary folders
+	mkdir(_paths.personal_dir);
+	mkdir(_paths.save_dir);
+	mkdir(_paths.autosave_dir);
+	mkdir(_paths.scenario_dir);
+	mkdir(_paths.heightmap_dir);
+}
+
+/**
+ * Insert a chunk of text from the clipboard onto the textbuffer. Get TEXT clipboard
+ * and append this up to the maximum length (either absolute or screenlength). If maxlength
+ * is zero, we don't care about the screenlength but only about the physical length of the string
+ * @param tb @Textbuf type to be changed
+ * @return Return true on successfull change of Textbuf, or false otherwise
+ */
+bool InsertTextBufferClipboard(Textbuf *tb)
+{
+	HAB hab = 0;
+
+	if (WinOpenClipbrd(hab))
+	{
+		const char* text = (const char*)WinQueryClipbrdData(hab, CF_TEXT);
+
+		if (text != NULL)
+		{
+			uint length = 0;
+			uint width = 0;
+			const char* i;
+
+			for (i = text; IsValidAsciiChar(*i); i++)
+			{
+				uint w;
+
+				if (tb->length + length >= tb->maxlength - 1) break;
+
+				w = GetCharacterWidth(FS_NORMAL, (byte)*i);
+				if (tb->maxwidth != 0 && width + tb->width + w > tb->maxwidth) break;
+
+				width += w;
+				length++;
+			}
+
+			memmove(tb->buf + tb->caretpos + length, tb->buf + tb->caretpos, tb->length - tb->caretpos + 1);
+			memcpy(tb->buf + tb->caretpos, text, length);
+			tb->width += width;
+			tb->caretxoffs += width;
+			tb->length += length;
+			tb->caretpos += length;
+
+			WinCloseClipbrd(hab);
+			return true;
+		}
+
+		WinCloseClipbrd(hab);
+	}
+
+	return false;
+}
+
+
+void CSleep(int milliseconds)
+{
+	delay(milliseconds);
+}
+
+const char *FS2OTTD(const char *name) {return name;}
+const char *OTTD2FS(const char *name) {return name;}