From 046779615f0a492d567300f08de79eaf5f780d84 Mon Sep 17 00:00:00 2001
From: Henrique <typoon@gmail.com>
Date: Mon, 25 Nov 2019 15:41:58 -0500
Subject: Added some navigation keys to the command bar same way as in a Linux
 terminal

---
 mitmproxy/tools/console/commander/commander.py | 42 +++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 5 deletions(-)

(limited to 'mitmproxy')

diff --git a/mitmproxy/tools/console/commander/commander.py b/mitmproxy/tools/console/commander/commander.py
index d751422b..feaa4e36 100644
--- a/mitmproxy/tools/console/commander/commander.py
+++ b/mitmproxy/tools/console/commander/commander.py
@@ -67,6 +67,11 @@ class CommandBuffer:
         else:
             self._cursor = x
 
+    def set_text(self, text: str) -> None:
+        self.text = text
+        self._cursor = len(self.text)
+        self.render()
+
     def render(self):
         parts, remaining = self.master.commands.parse_partial(self.text)
         ret = []
@@ -133,6 +138,12 @@ class CommandBuffer:
         self.cursor = self.cursor - 1
         self.completion = None
 
+    def delete(self) -> None:
+        if self.cursor == len(self.text):
+            return
+        self.text = self.text[:self.cursor] + self.text[self.cursor + 1:]
+        self.completion = None
+
     def insert(self, k: str) -> None:
         """
             Inserts text at the cursor.
@@ -197,16 +208,37 @@ class CommandEdit(urwid.WidgetWrap):
         self.update()
 
     def keypress(self, size, key) -> None:
-        if key == "backspace":
+        if key == "delete":
+            self.cbuf.delete()
+        elif key == "ctrl a" or key == 'home':
+            self.cbuf.cursor = 0
+        elif key == "ctrl e" or key == 'end':
+            self.cbuf.cursor = len(self.cbuf.text)
+        elif key == "meta b":
+            self.cbuf.cursor = self.cbuf.text.rfind(' ', 0, self.cbuf.cursor)
+        elif key == "meta f":
+            pos = self.cbuf.text.find(' ', self.cbuf.cursor + 1)
+            if pos == -1:
+                pos = len(self.cbuf.text)
+            self.cbuf.cursor = pos
+        elif key == "ctrl w":
+            txt = self.cbuf.text.strip()
+            if(txt != ''):
+                chunks = txt.split(' ')[0:-1]
+                if len(chunks) == 0:
+                    self.cbuf.set_text(' '.join(chunks))
+                else:
+                    self.cbuf.set_text(' '.join(chunks) + ' ')
+        elif key == "backspace":
             self.cbuf.backspace()
-        elif key == "left":
+        elif key == "left" or key == "ctrl b":
             self.cbuf.left()
-        elif key == "right":
+        elif key == "right" or key == "ctrl f":
             self.cbuf.right()
-        elif key == "up":
+        elif key == "up" or key == "ctrl p":
             self.history.add_command(self.cbuf)
             self.cbuf = self.history.get_prev() or self.cbuf
-        elif key == "down":
+        elif key == "down" or key == "ctrl n":
             self.cbuf = self.history.get_next() or self.cbuf
         elif key == "shift tab":
             self.cbuf.cycle_completion(False)
-- 
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