--- a/src/driver.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/driver.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -14,8 +14,8 @@
 VideoDriver *_video_driver;
 char _ini_videodriver[32];
 int _num_resolutions;
-uint16 _resolutions[32][2];
-uint16 _cur_resolution[2];
+Dimension _resolutions[32];
+Dimension _cur_resolution;
 
 SoundDriver *_sound_driver;
 char _ini_sounddriver[32];

--- a/src/gfx.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/gfx.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -1313,14 +1313,14 @@
 	return result;
 }
 
-static int CDECL compare_res(const uint16 *pa, const uint16 *pb)
+static int CDECL compare_res(const Dimension *pa, const Dimension *pb)
 {
-	int x = pa[0] - pb[0];
+	int x = pa->width - pb->width;
 	if (x != 0) return x;
-	return pa[1] - pb[1];
+	return pa->height - pb->height;
 }
 
 void SortResolutions(int count)
 {
-	QSortT((uint16*)_resolutions, count, compare_res);
+	QSortT(_resolutions, count, &compare_res);
 }

--- a/src/gfx_func.h	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/gfx_func.h	Mon Jun 16 19:38:41 2008 +0000
@@ -60,8 +60,8 @@
 extern int _pal_first_dirty;
 extern int _pal_count_dirty;
 extern int _num_resolutions;
-extern uint16 _resolutions[32][2];
-extern uint16 _cur_resolution[2];
+extern Dimension _resolutions[32];
+extern Dimension _cur_resolution;
 extern Colour _cur_palette[256];
 
 void HandleKeypress(uint32 key);

--- a/src/main_gui.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/main_gui.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -446,8 +446,8 @@
  */
 void GameSizeChanged()
 {
-	_cur_resolution[0] = _screen.width;
-	_cur_resolution[1] = _screen.height;
+	_cur_resolution.width  = _screen.width;
+	_cur_resolution.height = _screen.height;
 	ScreenSizeChanged();
 	RelocateAllWindows(_screen.width, _screen.height);
 	MarkWholeScreenDirty();

--- a/src/openttd.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/openttd.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -285,7 +285,7 @@
  * @param res variable to store the resolution in.
  * @param s   the string to decompose.
  */
-static void ParseResolution(int res[2], const char *s)
+static void ParseResolution(Dimension *res, const char *s)
 {
 	const char *t = strchr(s, 'x');
 	if (t == NULL) {
@@ -293,8 +293,8 @@
 		return;
 	}
 
-	res[0] = max(strtoul(s, NULL, 0), 64UL);
-	res[1] = max(strtoul(t + 1, NULL, 0), 64UL);
+	res->width  = max(strtoul(s, NULL, 0), 64UL);
+	res->height = max(strtoul(t + 1, NULL, 0), 64UL);
 }
 
 static void InitializeDynamicVariables()
@@ -379,7 +379,7 @@
 	int i;
 	const char *optformat;
 	char musicdriver[32], sounddriver[32], videodriver[32], blitter[32];
-	int resolution[2] = {0, 0};
+	Dimension resolution = {0, 0};
 	Year startyear = INVALID_YEAR;
 	uint generation_seed = GENERATE_NEW_SEED;
 	bool save_config = true;
@@ -444,7 +444,7 @@
 			debuglog_conn = mgo.opt;
 			break;
 #endif /* ENABLE_NETWORK */
-		case 'r': ParseResolution(resolution, mgo.opt); break;
+		case 'r': ParseResolution(&resolution, mgo.opt); break;
 		case 't': startyear = atoi(mgo.opt); break;
 		case 'd': {
 #if defined(WIN32)
@@ -497,14 +497,14 @@
 	if (!StrEmpty(sounddriver)) ttd_strlcpy(_ini_sounddriver, sounddriver, sizeof(_ini_sounddriver));
 	if (!StrEmpty(videodriver)) ttd_strlcpy(_ini_videodriver, videodriver, sizeof(_ini_videodriver));
 	if (!StrEmpty(blitter))     ttd_strlcpy(_ini_blitter, blitter, sizeof(_ini_blitter));
-	if (resolution[0] != 0) { _cur_resolution[0] = resolution[0]; _cur_resolution[1] = resolution[1]; }
+	if (resolution.width != 0) { _cur_resolution = resolution; }
 	if (startyear != INVALID_YEAR) _settings_newgame.game_creation.starting_year = startyear;
 	if (generation_seed != GENERATE_NEW_SEED) _settings_newgame.game_creation.generation_seed = generation_seed;
 
 	/* The width and height must be at least 1 pixel, this
 	 * way all internal drawing routines work correctly. */
-	if (_cur_resolution[0] == 0) _cur_resolution[0] = 1;
-	if (_cur_resolution[1] == 0) _cur_resolution[1] = 1;
+	if (_cur_resolution.width  <= 0) _cur_resolution.width  = 1;
+	if (_cur_resolution.height <= 0) _cur_resolution.height = 1;
 
 #if defined(ENABLE_NETWORK)
 	if (dedicated_host) snprintf(_settings_client.network.server_bind_ip, sizeof(_settings_client.network.server_bind_ip), "%s", dedicated_host);

--- a/src/settings.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/settings.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -1510,7 +1510,7 @@
 	  SDTG_STR("sounddriver",      SLE_STRB,C|S,0, _ini_sounddriver,       NULL,    STR_NULL, NULL),
 	  SDTG_STR("blitter",          SLE_STRB,C|S,0, _ini_blitter,           NULL,    STR_NULL, NULL),
 	  SDTG_STR("language",         SLE_STRB, S, 0, _dynlang.curr_file,     NULL,    STR_NULL, NULL),
-	 SDTG_LIST("resolution",     SLE_UINT16, S, 0, _cur_resolution,   "640,480",    STR_NULL, NULL),
+	SDTG_CONDLIST("resolution",  SLE_INT, 2, S, 0, _cur_resolution,   "640,480",    STR_NULL, NULL, 0, SL_MAX_VERSION), // workaround for implicit lengthof() in SDTG_LIST
 	  SDTG_STR("screenshot_format",SLE_STRB, S, 0, _screenshot_format_name,NULL,    STR_NULL, NULL),
 	  SDTG_STR("savegame_format",  SLE_STRB, S, 0, _savegame_format,       NULL,    STR_NULL, NULL),
 	 SDTG_BOOL("rightclick_emulate",         S, 0, _rightclick_emulate,   false,    STR_NULL, NULL),

--- a/src/settings_gui.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/settings_gui.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -93,8 +93,8 @@
 	int i;
 
 	for (i = 0; i != _num_resolutions; i++) {
-		if (_resolutions[i][0] == _screen.width &&
-				_resolutions[i][1] == _screen.height) {
+		if (_resolutions[i].width == _screen.width &&
+				_resolutions[i].height == _screen.height) {
 			break;
 		}
 	}
@@ -302,7 +302,7 @@
 				break;
 
 			case GAMEOPT_RESOLUTION_BTN: // Change resolution
-				if (index < _num_resolutions && ChangeResInGame(_resolutions[index][0], _resolutions[index][1])) {
+				if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
 					this->SetDirty();
 				}
 				break;

--- a/src/strings.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/strings.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -1213,7 +1213,7 @@
 	if (IsInsideMM(ind, (SPECSTR_RESOLUTION_START - 0x70E4), (SPECSTR_RESOLUTION_END - 0x70E4) + 1)) {
 		int i = ind - (SPECSTR_RESOLUTION_START - 0x70E4);
 		buff += snprintf(
-			buff, last - buff + 1, "%dx%d", _resolutions[i][0], _resolutions[i][1]
+			buff, last - buff + 1, "%dx%d", _resolutions[i].width, _resolutions[i].height
 		);
 		return buff;
 	}

--- a/src/video/cocoa/cocoa_v.mm	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/video/cocoa/cocoa_v.mm	Mon Jun 16 19:38:41 2008 +0000
@@ -206,8 +206,8 @@
 	count = _cocoa_subdriver->ListModes(modes, lengthof(modes));
 
 	for (i = 0; i < count; i++) {
-		_resolutions[i][0] = modes[i].x;
-		_resolutions[i][1] = modes[i].y;
+		_resolutions[i].width  = modes[i].x;
+		_resolutions[i].height = modes[i].y;
 	}
 
 	_num_resolutions = count;
@@ -317,8 +317,8 @@
 	/* Don't create a window or enter fullscreen if we're just going to show a dialog. */
 	if (_cocoa_video_dialog) return NULL;
 
-	width = _cur_resolution[0];
-	height = _cur_resolution[1];
+	width  = _cur_resolution.width;
+	height = _cur_resolution.height;
 	bpp = BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth();
 
 	_cocoa_subdriver = QZ_CreateSubdriver(width, height, bpp, _fullscreen, true);

--- a/src/video/dedicated_v.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/video/dedicated_v.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -138,10 +138,10 @@
 {
 	int bpp = BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth();
 	if (bpp == 0) _dedicated_video_mem = NULL;
-	else          _dedicated_video_mem = MallocT<byte>(_cur_resolution[0] * _cur_resolution[1] * (bpp / 8));
+	else          _dedicated_video_mem = MallocT<byte>(_cur_resolution.width * _cur_resolution.height * (bpp / 8));
 
-	_screen.width = _screen.pitch = _cur_resolution[0];
-	_screen.height = _cur_resolution[1];
+	_screen.width  = _screen.pitch = _cur_resolution.width;
+	_screen.height = _cur_resolution.height;
 	ScreenSizeChanged();
 
 	SetDebugString("net=6");

--- a/src/video/null_v.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/video/null_v.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -15,8 +15,8 @@
 const char *VideoDriver_Null::Start(const char* const *parm)
 {
 	this->ticks = GetDriverParamInt(parm, "ticks", 1000);
-	_screen.width = _screen.pitch = _cur_resolution[0];
-	_screen.height = _cur_resolution[1];
+	_screen.width  = _screen.pitch = _cur_resolution.width;
+	_screen.height = _cur_resolution.height;
 	ScreenSizeChanged();
 
 	/* Do not render, nor blit */

--- a/src/video/sdl_v.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/video/sdl_v.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -96,7 +96,7 @@
 	}
 }
 
-static const uint16 default_resolutions[][2] = {
+static const Dimension default_resolutions[] = {
 	{ 640,  480},
 	{ 800,  600},
 	{1024,  768},
@@ -134,12 +134,12 @@
 			if (w >= 640 && h >= 480) {
 				int j;
 				for (j = 0; j < n; j++) {
-					if (_resolutions[j][0] == w && _resolutions[j][1] == h) break;
+					if (_resolutions[j].width == w && _resolutions[j].height == h) break;
 				}
 
 				if (j == n) {
-					_resolutions[j][0] = w;
-					_resolutions[j][1] = h;
+					_resolutions[j].width  = w;
+					_resolutions[j].height = h;
 					if (++n == lengthof(_resolutions)) break;
 				}
 			}
@@ -160,21 +160,21 @@
 
 	// is the wanted mode among the available modes?
 	for (i = 0; i != _num_resolutions; i++) {
-		if (*w == _resolutions[i][0] && *h == _resolutions[i][1]) return;
+		if (*w == _resolutions[i].width && *h == _resolutions[i].height) return;
 	}
 
 	// use the closest possible resolution
 	best = 0;
-	delta = abs((_resolutions[0][0] - *w) * (_resolutions[0][1] - *h));
+	delta = abs((_resolutions[0].width - *w) * (_resolutions[0].height - *h));
 	for (i = 1; i != _num_resolutions; ++i) {
-		uint newdelta = abs((_resolutions[i][0] - *w) * (_resolutions[i][1] - *h));
+		uint newdelta = abs((_resolutions[i].width - *w) * (_resolutions[i].height - *h));
 		if (newdelta < delta) {
 			best = i;
 			delta = newdelta;
 		}
 	}
-	*w = _resolutions[best][0];
-	*h = _resolutions[best][1];
+	*w = _resolutions[best].width;
+	*h = _resolutions[best].height;
 }
 
 #ifndef ICON_DIR
@@ -441,7 +441,7 @@
 	DEBUG(driver, 1, "SDL: using driver '%s'", buf);
 
 	GetVideoModes();
-	CreateMainSurface(_cur_resolution[0], _cur_resolution[1]);
+	CreateMainSurface(_cur_resolution.width, _cur_resolution.height);
 	MarkWholeScreenDirty();
 
 	SDL_CALL SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
@@ -534,7 +534,7 @@
 {
 	_fullscreen = fullscreen;
 	GetVideoModes(); // get the list of available video modes
-	if (_num_resolutions == 0 || !this->ChangeResolution(_cur_resolution[0], _cur_resolution[1])) {
+	if (_num_resolutions == 0 || !this->ChangeResolution(_cur_resolution.width, _cur_resolution.height)) {
 		// switching resolution failed, put back full_screen to original status
 		_fullscreen ^= true;
 		return false;

--- a/src/video/video_driver.hpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/video/video_driver.hpp	Mon Jun 16 19:38:41 2008 +0000
@@ -6,6 +6,7 @@
 #define VIDEO_VIDEO_DRIVER_HPP
 
 #include "../driver.h"
+#include "../core/geometry_type.hpp"
 
 class VideoDriver: public Driver {
 public:
@@ -35,7 +36,7 @@
 extern VideoDriver *_video_driver;
 extern char _ini_videodriver[32];
 extern int _num_resolutions;
-extern uint16 _resolutions[32][2];
-extern uint16 _cur_resolution[2];
+extern Dimension _resolutions[32];
+extern Dimension _cur_resolution;
 
 #endif /* VIDEO_VIDEO_DRIVER_HPP */

--- a/src/video/win32_v.cpp	Mon Jun 16 17:28:15 2008 +0000
+++ b/src/video/win32_v.cpp	Mon Jun 16 19:38:41 2008 +0000
@@ -36,7 +36,7 @@
 bool _window_maximize;
 uint _display_hz;
 uint _fullscreen_bpp;
-static uint16 _bck_resolution[2];
+static Dimension _bck_resolution;
 #if !defined(UNICODE)
 uint _codepage;
 #endif
@@ -371,10 +371,7 @@
 			return 0;
 
 		case WM_DESTROY:
-			if (_window_maximize) {
-				_cur_resolution[0] = _bck_resolution[0];
-				_cur_resolution[1] = _bck_resolution[1];
-			}
+			if (_window_maximize) _cur_resolution = _bck_resolution;
 			return 0;
 
 		case WM_LBUTTONDOWN:
@@ -530,10 +527,7 @@
 				/* Set maximized flag when we maximize (obviously), but also when we
 				 * switched to fullscreen from a maximized state */
 				_window_maximize = (wParam == SIZE_MAXIMIZED || (_window_maximize && _fullscreen));
-				if (_window_maximize) {
-					_bck_resolution[0] = _cur_resolution[0];
-					_bck_resolution[1] = _cur_resolution[1];
-				}
+				if (_window_maximize) _bck_resolution = _cur_resolution;
 				ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));
 			}
 			return 0;
@@ -713,7 +707,7 @@
 	return true;
 }
 
-static const uint16 default_resolutions[][2] = {
+static const Dimension default_resolutions[] = {
 	{  640,  480 },
 	{  800,  600 },
 	{ 1024,  768 },
@@ -746,7 +740,7 @@
 			uint j;
 
 			for (j = 0; j < n; j++) {
-				if (_resolutions[j][0] == dm.dmPelsWidth && _resolutions[j][1] == dm.dmPelsHeight) break;
+				if (_resolutions[j].width == dm.dmPelsWidth && _resolutions[j].height == dm.dmPelsHeight) break;
 			}
 
 			/* In the previous loop we have checked already existing/added resolutions if
@@ -754,8 +748,8 @@
 			 * looped all and found none, add the new one to the list. If we have reached the
 			 * maximum amount of resolutions, then quit querying the display */
 			if (j == n) {
-				_resolutions[j][0] = dm.dmPelsWidth;
-				_resolutions[j][1] = dm.dmPelsHeight;
+				_resolutions[j].width  = dm.dmPelsWidth;
+				_resolutions[j].height = dm.dmPelsHeight;
 				if (++n == lengthof(_resolutions)) break;
 			}
 		}
@@ -784,13 +778,13 @@
 
 	FindResolutions();
 
-	DEBUG(driver, 2, "Resolution for display: %dx%d", _cur_resolution[0], _cur_resolution[1]);
+	DEBUG(driver, 2, "Resolution for display: %dx%d", _cur_resolution.width, _cur_resolution.height);
 
 	// fullscreen uses those
-	_wnd.width_org = _cur_resolution[0];
-	_wnd.height_org = _cur_resolution[1];
+	_wnd.width_org  = _cur_resolution.width;
+	_wnd.height_org = _cur_resolution.height;
 
-	AllocateDibSection(_cur_resolution[0], _cur_resolution[1]);
+	AllocateDibSection(_cur_resolution.width, _cur_resolution.height);
 	MakeWindow(_fullscreen);
 
 	MarkWholeScreenDirty();