tw.unspent: wide display fix; tw.view: minor cleanups

mmgen/tw/unspent.py

@@ -121,35 +121,33 @@ class TwUnspentOutputs(TwView):
 		return data
 
 	def get_column_widths(self,data,wide,interactive):
-		# min screen width: 80 cols
-		# num txid vout addr [mmid] [comment] amt [amt2] date
-		maxws_nice = {'txid': 12}
-		if self.show_mmid:
-				maxws_nice['addr'] = 16
 
+		show_mmid = self.show_mmid or wide
+
+		# num txid vout addr [mmid] [comment] amt [amt2] date
 		return self.compute_column_widths(
 			widths = { # fixed cols
 				'num': max(2,len(str(len(data)))+1),
 				'vout': 4,
-				'mmid': max(len(d.twmmid.disp) for d in data) if self.show_mmid else 0,
+				'mmid': max(len(d.twmmid.disp) for d in data) if show_mmid else 0,
 				'amt': self.amt_widths['amt'],
 				'amt2': self.amt_widths.get('amt2',0),
 				'block': self.age_col_params['block'][0] if wide else 0,
 				'date_time': self.age_col_params['date_time'][0] if wide else 0,
 				'date': self.age_w,
-				'spc': 7 if self.show_mmid else 5, # 7(5) spaces in fs
+				'spc': 7 if show_mmid else 5, # 7(5) spaces in fs
 			},
 			maxws = { # expandable cols
 				'txid': self.txid_w,
 				'addr': max(len(d.addr) for d in data),
-				'comment': max(d.comment.screen_width for d in data) if self.show_mmid else 0,
+				'comment': max(d.comment.screen_width for d in data) if show_mmid else 0,
 			},
 			minws = {
 				'txid': 7,
 				'addr': 10,
-				'comment': len('Comment') if self.show_mmid else 0,
+				'comment': len('Comment') if show_mmid else 0,
 			},
-			maxws_nice = maxws_nice,
+			maxws_nice = {'txid':12, 'addr':16} if show_mmid else {'txid':12},
 			wide = wide,
 			interactive = interactive,
 		)

mmgen/tw/view.py

@@ -495,26 +495,23 @@ class TwView(MMGenObject,metaclass=AsyncInit):
 
 	async def view_filter_and_sort(self):
 
-		def make_prompt(scroll):
+		def make_key_mappings(scroll):
 			if scroll:
 				for k in self.scroll_keys['vi']:
 					assert k not in self.key_mappings, f'{k!r} is in key_mappings'
 				self.key_mappings.update(self.scroll_keys['vi'])
 				self.key_mappings.update(self.scroll_keys[g.platform])
-				s = '\nScrolling: k=up, j=down, b=pgup, f=pgdown, g=top, G=bottom'
-			else:
-				s = ''
-			return self.prompt_fs.strip().format(s=s)
-
-		from ..term import get_term,get_char,get_char_raw
+			return self.key_mappings
 
 		scroll = self.scroll = g.scroll
 
-		prompt = make_prompt(scroll)
+		key_mappings = make_key_mappings(scroll)
+		prompt = self.prompt_fs.strip().format(
+			s='\nScrolling: k=up, j=down, b=pgup, f=pgdown, g=top, G=bottom' if scroll else '' )
 
 		self.prompt_width = max(len(l) for l in prompt.split('\n'))
 		self.prompt_height = len(prompt.split('\n'))
-		self.oneshot_msg = None
+		self.oneshot_msg = ''
 		prompt += '\b'
 
 		clear_screen = '\n\n' if opt.no_blank else CUR_HOME + ('' if scroll else ERASE_ALL)
@@ -539,17 +536,17 @@ class TwView(MMGenObject,metaclass=AsyncInit):
 				+ '\n\n'
 				+ (self.oneshot_msg + '\n\n' if self.oneshot_msg and not scroll else '')
 				+ prompt,
-				immed_chars = self.key_mappings )
+				immed_chars = key_mappings )
 
-			self.oneshot_msg = '' if self.oneshot_msg else None # tristate, saves previous state
+			self.oneshot_msg = ''
 
-			if reply not in self.key_mappings:
+			if reply not in key_mappings:
 				if not scroll:
 					msg_r('\ninvalid keypress ')
 					await asyncio.sleep(0.3)
 				continue
 
-			action = self.key_mappings[reply]
+			action = key_mappings[reply]
 
 			if scroll and action.startswith('a_'): # 'a_' actions may require line input
 				term.set('echo')