Add UIFC_NHM (No Hide Mouse) which disables hiding the mouse during ulist

(and other) operations.  This should allow fixing the mouse flickering in
SyncTERM on Nokia N800/N900 devices.

I can't remember why the mouse pointer is turned off to be honest...

src/uifc/uifc.h

@@ -104,6 +104,7 @@
 #define UIFC_IBM	(1<<4)	/* Force use of IBM charset	*/
 #define UIFC_NOCTRL	(1<<5)	/* Don't allow useage of CTRL keys for movement 
 							 * etc in menus (Still available in text boxes) */
+#define UIFC_NHM	(1<<6)	/* Don't hide the mouse pointer */
 
 							/*******************************/
                             /* Bits in uifcapi_t.list mode */

src/uifc/uifc32.c

@@ -530,7 +530,8 @@ int ulist(int mode, int left, int top, int width, int *cur, int *bar
 	}
 	title=strdup(initial_title==NULL?"":initial_title);
 
-	uifc_mouse_disable();
+	if(!(api->mode&UIFC_NHM))
+		uifc_mouse_disable();
 
 	title_len=strlen(title);
 
@@ -669,7 +670,8 @@ int ulist(int mode, int left, int top, int width, int *cur, int *bar
 						cprintf("UIFC line %d: error allocating %u bytes."
 							,__LINE__,(width+3)*(height+2)*2);
 						free(title);
-						uifc_mouse_enable();
+						if(!(api->mode&UIFC_NHM))
+							uifc_mouse_enable();
 						return(-1);
 					}
 					gettext(s_left+left,s_top+top,s_left+left+width+1
@@ -693,7 +695,8 @@ int ulist(int mode, int left, int top, int width, int *cur, int *bar
 				cprintf("UIFC line %d: error allocating %u bytes."
 					,__LINE__,(width+3)*(height+2)*2);
 				free(title);
-				uifc_mouse_enable();
+				if(!(api->mode&UIFC_NHM))
+					uifc_mouse_enable();
 				return(-1);
 			}
 			gettext(s_left+left,s_top+top,s_left+left+width+1
@@ -953,7 +956,8 @@ int ulist(int mode, int left, int top, int width, int *cur, int *bar
 
 	last_menu_cur=cur;
 	last_menu_bar=bar;
-	uifc_mouse_enable();
+	if(!(api->mode&UIFC_NHM))
+		uifc_mouse_enable();
 
 	if(mode&WIN_IMM) {
 		return(-2);
@@ -1000,7 +1004,8 @@ int ulist(int mode, int left, int top, int width, int *cur, int *bar
 						if(mode&WIN_SAV)
 							api->savnum++;
 						if(mode&WIN_ACT) {
-							uifc_mouse_disable();
+							if(!(api->mode&UIFC_NHM))
+								uifc_mouse_disable();
 							if((win=(char *)alloca((width+3)*(height+2)*2))==NULL) {
 								cprintf("UIFC line %d: error allocating %u bytes."
 									,__LINE__,(width+3)*(height+2)*2);
@@ -1016,15 +1021,18 @@ int ulist(int mode, int left, int top, int width, int *cur, int *bar
 
 							puttext(s_left+left,s_top+top,s_left
 								+left+width-1,s_top+top+height-1,win);
-							uifc_mouse_enable();
+							if(!(api->mode&UIFC_NHM))
+								uifc_mouse_enable();
 						}
 						else if(mode&WIN_SAV) {
 							api->savnum--;
-							uifc_mouse_disable();
+							if(!(api->mode&UIFC_NHM))
+								uifc_mouse_disable();
 							puttext(sav[api->savnum].left,sav[api->savnum].top
 								,sav[api->savnum].right,sav[api->savnum].bot
 								,sav[api->savnum].buf);
-							uifc_mouse_enable();
+							if(!(api->mode&UIFC_NHM))
+								uifc_mouse_enable();
 							FREE_AND_NULL(sav[api->savnum].buf);
 						}
 						if(mode&WIN_XTR && (*cur)==opts-1)