--- a/lang/english.txt	Mon Aug 16 18:46:54 2004 +0000
+++ b/lang/english.txt	Mon Aug 16 21:02:06 2004 +0000
@@ -1000,6 +1000,10 @@
 STR_CONFIG_PATCHES_STARTING_DATE		:{LTBLUE}Starting date: {ORANGE}{STRING}
 STR_CONFIG_PATCHES_SMOOTH_ECONOMY		:{LTBLUE}Enable smooth economy (more, smaller changes)
 STR_CONFIG_PATCHES_DRAG_SIGNALS_DENSITY		:{LTBLUE}When dragging place signals every: {ORANGE}{STRING} tile(s)
+STR_CONFIG_PATCHES_TOOLBAR_POS			:{LTBLUE}Position of maintoolbar: {ORANGE}{STRING}
+STR_CONFIG_PATCHES_TOOLBAR_POS_LEFT		:Left
+STR_CONFIG_PATCHES_TOOLBAR_POS_CENTER	:Center
+STR_CONFIG_PATCHES_TOOLBAR_POS_RIGHT	:Right
 
 STR_CONFIG_PATCHES_GUI					:{BLACK}Interface
 STR_CONFIG_PATCHES_CONSTRUCTION			:{BLACK}Construction

--- a/main_gui.c	Mon Aug 16 18:46:54 2004 +0000
+++ b/main_gui.c	Mon Aug 16 21:02:06 2004 +0000
@@ -2207,6 +2207,8 @@
 		w = AllocateWindowDesc(&_toolb_normal_desc);
 		w->disabled_state = 1 << 17;
 		w->flags4 &= ~WF_WHITE_BORDER_MASK;
+		
+		PositionMainToolbar(w); // already WC_MAIN_TOOLBAR passed (&_toolb_normal_desc)
 
 		_main_status_desc.top = height - 12;
 		w = AllocateWindowDesc(&_main_status_desc);
@@ -2222,6 +2224,8 @@
 		w = AllocateWindowDesc(&_toolb_scen_desc);
 		w->disabled_state = 1 << 9;
 		w->flags4 &= ~WF_WHITE_BORDER_MASK;
+		
+		PositionMainToolbar(w); // already WC_MAIN_TOOLBAR passed (&_toolb_scen_desc)
 		break;
 	default:
 		NOT_REACHED();

--- a/settings.c	Mon Aug 16 18:46:54 2004 +0000
+++ b/settings.c	Mon Aug 16 21:02:06 2004 +0000
@@ -826,6 +826,8 @@
 	{"nonuniform_stations", SDT_BOOL, (void*)false, (void*)offsetof(Patches, nonuniform_stations)},
 	{"always_small_airport", SDT_BOOL, (void*)false, (void*)offsetof(Patches, always_small_airport)},
 	{"realistic_acceleration", SDT_BOOL, (void*)false, (void*)offsetof(Patches, realistic_acceleration)},
+	
+	{"toolbar_pos", SDT_UINT8, (void*)0, (void*)offsetof(Patches, toolbar_pos)},
 
 	{"max_trains", SDT_UINT8, (void*)80,(void*)offsetof(Patches, max_trains)},
 	{"max_roadveh", SDT_UINT8, (void*)80,(void*)offsetof(Patches, max_roadveh)},

--- a/settings_gui.c	Mon Aug 16 18:46:54 2004 +0000
+++ b/settings_gui.c	Mon Aug 16 21:02:06 2004 +0000
@@ -661,13 +661,28 @@
 	ShowInfoF("ShowHighscoreTable(%d) not implemented", tbl);
 }
 
+// virtual PositionMainToolbar function, calls the right one.
+int32 v_PositionMainToolbar(int32 p1)
+{
+	if (_game_mode != GM_MENU)
+		PositionMainToolbar(NULL);
+
+	return 0;
+}
+
+typedef int32 PatchButtonClick(int32);
+static PatchButtonClick * const _patch_button_proc[] = {
+	&v_PositionMainToolbar,
+};
+
 typedef struct PatchEntry {
-	byte type;    // type of selector
-	byte flags;		// selector flags
-	StringID str; // string with descriptive text
-	void *variable; // pointer to the variable
-	int32 min,max; // range for spinbox setting
-	uint32 step;   // step for spinbox
+	byte type;										// type of selector
+	byte flags;										// selector flags
+	StringID str;									// string with descriptive text
+	void *variable;								// pointer to the variable
+	int32 min,max;								// range for spinbox setting
+	uint32 step;									// step for spinbox
+	PatchButtonClick *click_proc;	// callback procedure
 } PatchEntry;
 
 enum {
@@ -691,6 +706,7 @@
 
 	{PE_UINT8, 0, STR_CONFIG_PATCHES_ERRMSG_DURATION, &_patches.errmsg_duration, 0, 20, 1},
 	
+	{PE_UINT8, PF_MULTISTRING, STR_CONFIG_PATCHES_TOOLBAR_POS, &_patches.toolbar_pos, 0, 2, 1, &v_PositionMainToolbar},
 };
 
 static const PatchEntry _patches_construction[] = {
@@ -927,7 +943,7 @@
 			x = e->click.pt.x - 5;
 			if (x < 0) return;
 
-			if (x < 21) {
+			if (x < 21) { // clicked on the icon on the left side. Either scroller or bool on/off
 				int32 val = ReadPE(pe), oval = val;
 
 				switch(pe->type) {
@@ -972,9 +988,12 @@
 				if (val != oval) {
 					WritePE(pe, val);
 					SetWindowDirty(w);
+
+					if (pe->click_proc != NULL) // call callback function
+						pe->click_proc(val);
 				}
 			} else {
-				if (pe->type != PE_BOOL) {
+				if (pe->type != PE_BOOL && !(pe->flags & PF_MULTISTRING)) { // do not open editbox
 					WP(w,def_d).data_3 = btn;
 					SET_DPARAM32(0, ReadPE(pe));
 					ShowQueryString(STR_CONFIG_PATCHES_INT32, STR_CONFIG_PATCHES_QUERY_CAPT, 10, 100, WC_GAME_OPTIONS, 0);
@@ -999,8 +1018,12 @@
 	case WE_ON_EDIT_TEXT: {
 		if (*e->edittext.str) {
 			const PatchPage *page = &_patches_page[WP(w,def_d).data_1];
-			WritePE(&page->entries[WP(w,def_d).data_3], atoi(e->edittext.str)); 
+			const PatchEntry *pe = &page->entries[WP(w,def_d).data_3];
+			WritePE(pe, atoi(e->edittext.str)); 
 			SetWindowDirty(w);
+
+			if (pe->click_proc != NULL) // call callback function
+				pe->click_proc(*(int32*)pe->variable);
 		}
 		break;
 	}

--- a/variables.h	Mon Aug 16 18:46:54 2004 +0000
+++ b/variables.h	Mon Aug 16 21:02:06 2004 +0000
@@ -109,6 +109,8 @@
 	bool nonuniform_stations;// allow nonuniform train stations
 	bool always_small_airport; // always allow small airports
 	bool realistic_acceleration; // realistic acceleration for trains
+	
+	uint8 toolbar_pos;			// position of toolbars, 0=left, 1=center, 2=right
 
 	byte max_trains;				//max trains in game per player (these are 8bit because the unitnumber field can't hold more)
 	byte max_roadveh;				//max trucks in game per player

--- a/window.c	Mon Aug 16 18:46:54 2004 +0000
+++ b/window.c	Mon Aug 16 21:02:06 2004 +0000
@@ -531,6 +531,16 @@
 		if (pt.x > _screen.width + 10 - desc->width)
 			pt.x = (_screen.width + 10 - desc->width) - 20;
 		pt.y = w->top + 10;
+	// open Build Toolbars and Terraforming Toolbar aligned
+	} else if (desc->cls == WC_BUILD_TOOLBAR || desc->cls == WC_SCEN_LAND_GEN) {
+		/* Override the position if a toolbar is opened according to the place of the maintoolbar
+		 * The main toolbar (WC_MAIN_TOOLBAR) is 640px in width */
+		switch (_patches.toolbar_pos) {
+		case 1:		pt.x = ((_screen.width + 640) >> 1) - desc->width; break;
+		case 2:		pt.x = _screen.width - desc->width; break;
+		default:	pt.x = 640 - desc->width;
+		}
+		pt.y = desc->top;
 	} else {
 		pt.x = desc->left;
 		pt.y = desc->top;
@@ -1013,7 +1023,7 @@
 		}
 
 		if (click == 1) {
-			DEBUG(misc, 1) ("cursor: 0x%X (%d)", _cursor.sprite, _cursor.sprite);
+			//DEBUG(misc, 1) ("cursor: 0x%X (%d)", _cursor.sprite, _cursor.sprite);
 			if (_thd.place_mode != 0 &&
 					// query button and place sign button work in pause mode
 					!(_cursor.sprite == 0x2CF || _cursor.sprite == 0x2D2) &&
@@ -1164,6 +1174,22 @@
 	}
 }
 
+int PositionMainToolbar(Window *w) 
+{
+	//DEBUG(misc, 1) ("Repositioning Main Toolbar...");
+
+	if (w == NULL || w->window_class != WC_MAIN_TOOLBAR)
+		w = FindWindowById(WC_MAIN_TOOLBAR, 0);
+
+	switch (_patches.toolbar_pos) {
+		case 1:		w->left = (_screen.width - w->width) >> 1; break;
+		case 2:		w->left = _screen.width - w->width; break;
+		default:	w->left = 0;
+	}
+	SetDirtyBlocks(0, 0, _screen.width, w->height); // invalidate the whole top part
+	return w->left;
+}
+
 void RelocateAllWindows(int neww, int newh)
 {
 	Window *w;
@@ -1182,7 +1208,7 @@
 
 		if (w->window_class == WC_MAIN_TOOLBAR) {
 			top = w->top;
-			left = (neww - w->width) >> 1;
+			left = PositionMainToolbar(w); // changes toolbar orientation
 		} else if (w->window_class == WC_SELECT_GAME || w->window_class == WC_GAME_OPTIONS || w->window_class == WC_NETWORK_WINDOW){	
 			top = (newh - w->height) >> 1;
 			left = (neww - w->width) >> 1;
@@ -1208,4 +1234,3 @@
 		w->top = top;
 	}
 }
-

--- a/window.h	Mon Aug 16 18:46:54 2004 +0000
+++ b/window.h	Mon Aug 16 21:02:06 2004 +0000
@@ -408,6 +408,7 @@
 void UnclickWindowButtons(Window *w);
 void UnclickSomeWindowButtons(Window *w, uint32 mask);
 void RelocateAllWindows(int neww, int newh);
+int32 PositionMainToolbar(Window *w);
 
 /* widget.c */
 int GetWidgetFromPos(Window *w, int x, int y);