From 8478641ad0bdeebea7d79422e3174243b4508a91 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Thu, 16 Feb 2012 00:04:59 +0100
Subject: Add shortcuts to browse the history one line at a time (C-b / C-f)

---
 src/core.py | 10 ++++++++++
 src/tabs.py | 46 ++++++++++++++++++++++++++--------------------
 2 files changed, 36 insertions(+), 20 deletions(-)

(limited to 'src')

diff --git a/src/core.py b/src/core.py
index 0b5bb37b..91f69813 100644
--- a/src/core.py
+++ b/src/core.py
@@ -156,6 +156,8 @@ class Core(object):
         self.key_func = {
             "KEY_PPAGE": self.scroll_page_up,
             "KEY_NPAGE": self.scroll_page_down,
+            "^B": self.scroll_line_up,
+            "^F": self.scroll_line_down,
             "KEY_F(5)": self.rotate_rooms_left,
             "^P": self.rotate_rooms_left,
             'kLFT3': self.rotate_rooms_left,
@@ -1130,6 +1132,14 @@ class Core(object):
         self.current_tab().on_scroll_up()
         self.refresh_window()
 
+    def scroll_line_up(self, args=None):
+        self.current_tab().on_line_up()
+        self.refresh_window()
+
+    def scroll_line_down(self, args=None):
+        self.current_tab().on_line_down()
+        self.refresh_window()
+
     def get_error_message_from_error_stanza(self, stanza):
         """
         Takes a stanza of the form <message type='error'><error/></message>
diff --git a/src/tabs.py b/src/tabs.py
index 492a4412..f9032b6e 100644
--- a/src/tabs.py
+++ b/src/tabs.py
@@ -302,13 +302,25 @@ class Tab(object):
 
     def on_scroll_down(self):
         """
-        Defines what happens when we scrol down
+        Defines what happens when we scroll down
         """
         pass
 
     def on_scroll_up(self):
         """
-        Defines what happens when we scrol down
+        Defines what happens when we scroll up
+        """
+        pass
+
+    def on_line_up(self):
+        """
+        Defines what happens when we scroll one line up
+        """
+        pass
+
+    def on_line_down(self):
+        """
+        Defines what happens when we scroll one line up
         """
         pass
 
@@ -505,6 +517,18 @@ class ChatTab(Tab):
     def command_say(self, line):
         raise NotImplementedError
 
+    def on_line_up(self):
+        self.text_win.scroll_up(1)
+
+    def on_line_down(self):
+        self.text_win.scroll_down(1)
+
+    def on_scroll_up(self):
+        self.text_win.scroll_up(self.text_win.height-1)
+
+    def on_scroll_down(self):
+        self.text_win.scroll_down(self.text_win.height-1)
+
 
 class MucTab(ChatTab):
     """
@@ -1055,12 +1079,6 @@ class MucTab(ChatTab):
         if self.joined and config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and not self.input.get_text():
             self.send_chat_state('active')
 
-    def on_scroll_up(self):
-        self.text_win.scroll_up(self.text_win.height-1)
-
-    def on_scroll_down(self):
-        self.text_win.scroll_down(self.text_win.height-1)
-
     def on_info_win_size_changed(self):
         if self.core.information_win_size >= self.height-3:
             return
@@ -1555,12 +1573,6 @@ class PrivateTab(ChatTab):
         if tab and tab.joined and config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and not self.input.get_text():
             self.send_chat_state('active')
 
-    def on_scroll_up(self):
-        self.text_win.scroll_up(self.text_win.height-1)
-
-    def on_scroll_down(self):
-        self.text_win.scroll_down(self.text_win.height-1)
-
     def on_info_win_size_changed(self):
         if self.core.information_win_size >= self.height-3:
             return
@@ -2340,12 +2352,6 @@ class ConversationTab(ChatTab):
             if resource:
                 self.send_chat_state('active')
 
-    def on_scroll_up(self):
-        self.text_win.scroll_up(self.text_win.height-1)
-
-    def on_scroll_down(self):
-        self.text_win.scroll_down(self.text_win.height-1)
-
     def on_info_win_size_changed(self):
         if self.core.information_win_size >= self.height-3:
             return
-- 
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