From c69ac7ec3f9b65750bccb6da3963e5615a07dc70 Mon Sep 17 00:00:00 2001
From: hut <hut@lavabit.com>
Date: Sat, 1 Oct 2011 01:29:22 +0200
Subject: gui.widgets.browserview: draw hints for keychains

---
 ranger/core/actions.py            |  3 ---
 ranger/ext/keybinding_parser.py   |  1 +
 ranger/gui/ui.py                  |  1 +
 ranger/gui/widgets/browserview.py | 31 +++++++++++++++++++++++++++++++
 4 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/ranger/core/actions.py b/ranger/core/actions.py
index 6b879428..1904082e 100644
--- a/ranger/core/actions.py
+++ b/ranger/core/actions.py
@@ -334,9 +334,6 @@ class Actions(FileManagerAware, EnvironmentAware, SettingsAware):
 			return
 		self.execute_file(file, app = 'editor')
 
-	def hint(self, text):
-		self.ui.hint(text)
-
 	def toggle_option(self, string):
 		"""Toggle a boolean option named <string>"""
 		if isinstance(self.env.settings[string], bool):
diff --git a/ranger/ext/keybinding_parser.py b/ranger/ext/keybinding_parser.py
index b888032e..4e590283 100644
--- a/ranger/ext/keybinding_parser.py
+++ b/ranger/ext/keybinding_parser.py
@@ -81,6 +81,7 @@ ANYKEY = 9002
 PASSIVE_ACTION = 9003
 ALT_KEY = 9004
 QUANT_KEY = 9005
+HINT_KEY = 9006
 
 very_special_keys = {
 	'dir': DIRKEY,
diff --git a/ranger/gui/ui.py b/ranger/gui/ui.py
index 89493618..28620882 100644
--- a/ranger/gui/ui.py
+++ b/ranger/gui/ui.py
@@ -147,6 +147,7 @@ class UI(DisplayableContainer):
 
 		keybuffer.add(key)
 		self.fm.hide_bookmarks()
+		self.browser.draw_hints = not keybuffer.finished_parsing
 
 		if keybuffer.result is not None:
 			try:
diff --git a/ranger/gui/widgets/browserview.py b/ranger/gui/widgets/browserview.py
index 09944108..5acc322c 100644
--- a/ranger/gui/widgets/browserview.py
+++ b/ranger/gui/widgets/browserview.py
@@ -29,6 +29,7 @@ class BrowserView(Widget, DisplayableContainer):
 	stretch_ratios = None
 	need_clear = False
 	old_collapse = False
+	draw_hints = False
 
 	def __init__(self, win, ratios, preview = True):
 		DisplayableContainer.__init__(self, win)
@@ -102,6 +103,8 @@ class BrowserView(Widget, DisplayableContainer):
 			DisplayableContainer.draw(self)
 			if self.settings.draw_borders:
 				self._draw_borders()
+			if self.draw_hints:
+				self._draw_hints()
 
 	def finalize(self):
 		if self.pager.visible:
@@ -196,6 +199,34 @@ class BrowserView(Widget, DisplayableContainer):
 		self.addch(0, right_end, curses.ACS_URCORNER)
 		self.addch(self.hei - 1, right_end, curses.ACS_LRCORNER)
 
+	def _draw_hints(self):
+		self.need_clear = True
+		hints = []
+		for k, v in self.fm.env.keybuffer.pointer.items():
+			try: k = chr(k)
+			except: k = str(k)
+			if isinstance(v, dict):
+				text = '...'
+			else:
+				text = v
+			if text.startswith('hint') or text.startswith('chain hint'):
+				continue
+			hints.append((k, text))
+		hints.sort(key=lambda t: t[1])
+
+		hei = min(self.hei - 1, len(hints))
+		ystart = self.hei - hei
+		self.addnstr(ystart - 1, 0, "key          command".ljust(self.wid),
+				self.wid)
+		self.win.chgat(ystart - 1, 0, curses.A_UNDERLINE)
+		whitespace = " " * self.wid
+		i = ystart
+		for key, cmd in hints:
+			string = " " + key.ljust(11) + " " + cmd
+			self.addstr(i, 0, whitespace)
+			self.addnstr(i, 0, string, self.wid)
+			i += 1
+
 	def _collapse(self):
 		# Should the last column be cut off? (Because there is no preview)
 		if not self.settings.collapse_preview or not self.preview \
-- 
cgit 1.4.1-2-gfad0