more vim-like movements

added:
 * ctrl d = half page down
 * ctrl u = half page up
 * G = focus last entry (only search buffer for now)

4 files changed, 29 insertions, 1 deletions

diff --git a/alot/buffers.py b/alot/buffers.py
index 9dea1e23..1d3eec30 100644
--- a/alot/buffers.py
+++ b/alot/buffers.py
@@ -282,9 +282,18 @@ class SearchBuffer(Buffer):
             thread = threadlinewidget.get_thread()
         return thread
 
+    def consume_pipe(self):
+        while not self.threadlist.empty:
+            self.threadlist._get_next_item()
+
     def focus_first(self):
         self.body.set_focus(0)
 
+    def focus_last(self):
+        self.consume_pipe()
+        num_lines = len(self.threadlist.get_lines())
+        self.body.set_focus(num_lines-1)
+
 
 class ThreadBuffer(Buffer):
     """displays a thread as a tree of messages"""
diff --git a/alot/commands/globals.py b/alot/commands/globals.py
index 6ed95166..70eccba2 100644
--- a/alot/commands/globals.py
+++ b/alot/commands/globals.py
@@ -796,7 +796,7 @@ class ComposeCommand(Command):
 @registerCommand(MODE, 'move', help='move focus in current buffer',
                  arguments=[(['movement'], {
                              'nargs':argparse.REMAINDER,
-                             'help':'up, down, page up, page down, first'})])
+                             'help':'up, down, [half]page up, [half]page down, first'})])
 class MoveCommand(Command):
     """move in widget"""
     def __init__(self, movement=None, **kwargs):
@@ -809,6 +809,9 @@ class MoveCommand(Command):
     def apply(self, ui):
         if self.movement in ['up', 'down', 'page up', 'page down']:
             ui.mainloop.process_input([self.movement])
+        elif self.movement in [ 'halfpage down', 'halfpage up']:
+            ui.mainloop.process_input(
+                    ui.mainloop.screen_size[1]/2 * [self.movement.split()[-1]])
         elif self.movement == 'first':
             ui.current_buffer.focus_first()
         else:
diff --git a/alot/commands/search.py b/alot/commands/search.py
index db718807..04da8f96 100644
--- a/alot/commands/search.py
+++ b/alot/commands/search.py
@@ -6,6 +6,7 @@ import logging
 
 from alot.commands import Command, registerCommand
 from alot.commands.globals import PromptCommand
+from alot.commands.globals import MoveCommand
 
 from alot.db.errors import DatabaseROError
 from alot import commands
@@ -228,3 +229,15 @@ class TagCommand(Command):
         # flush index
         if self.flush:
             ui.apply_command(commands.globals.FlushCommand(callback=refresh))
+
+@registerCommand(MODE, 'move', help='move focus in search buffer',
+                 arguments=[(['movement'], {
+                             'nargs': argparse.REMAINDER,
+                             'help': 'last'})])
+class MoveFocusCommand(MoveCommand):
+    def apply(self, ui):
+        logging.debug(self.movement)
+        if self.movement == 'last':
+            ui.current_buffer.focus_last()
+        else:
+            MoveCommand.apply(self, ui)
diff --git a/alot/defaults/default.bindings b/alot/defaults/default.bindings
index e5409a19..132b6d90 100644
--- a/alot/defaults/default.bindings
+++ b/alot/defaults/default.bindings
@@ -6,6 +6,8 @@ j = move down
 k = move up
 'g g' = move first
 ' ' = move page down
+'ctrl d' = move halfpage down
+'ctrl u' = move halfpage up
 @ = refresh
 ? = help bindings
 I = search tag:inbox AND NOT tag:killed
@@ -36,6 +38,7 @@ q = exit
     l = retagprompt
     O = refineprompt
     | = refineprompt
+    G = move last
 
 [envelope]
     a = prompt 'attach ~/'