scroll-mode.rb in sup-0.6

- old
+ new

@@ -13,16 +13,18 @@
   attr_reader :status, :topline, :botline, :leftcol
 
   COL_JUMP = 2
 
   register_keymap do |k|
-    k.add :line_down, "Down one line", :down, 'j', 'J'
-    k.add :line_up, "Up one line", :up, 'k', 'K'
+    k.add :line_down, "Down one line", :down, 'j', 'J', "\C-e"
+    k.add :line_up, "Up one line", :up, 'k', 'K', "\C-y"
     k.add :col_left, "Left one column", :left, 'h'
     k.add :col_right, "Right one column", :right, 'l'
-    k.add :page_down, "Down one page", :page_down, ' '
-    k.add :page_up, "Up one page", :page_up, 'p', :backspace
+    k.add :page_down, "Down one page", :page_down, ' ', "\C-f"
+    k.add :page_up, "Up one page", :page_up, 'p', :backspace, "\C-b"
+    k.add :half_page_down, "Down one half page", "\C-d"
+    k.add :half_page_up, "Up one half page", "\C-u"
     k.add :jump_to_start, "Jump to top", :home, '^', '1'
     k.add :jump_to_end, "Jump to bottom", :end, '$', '0'
     k.add :jump_to_left, "Jump to the left", '['
     k.add :search_in_buffer, "Search in current buffer", '/'
     k.add :continue_search_in_buffer, "Jump to next search occurrence in buffer", BufferManager::CONTINUE_IN_BUFFER_SEARCH_KEY
@@ -83,19 +85,20 @@
     return if query.nil? || query.empty?
     @search_query = Regexp.escape query
     continue_search_in_buffer
   end
 
-  ## subclasses can override these two!
+  ## subclasses can override these three!
   def search_goto_pos line, leftcol, rightcol
-    jump_to_line line
+    search_goto_line line
 
     if rightcol > self.rightcol # if it's occluded...
       jump_to_col [rightcol - buffer.content_width + 1, 0].max # move right
     end
   end
   def search_start_line; @topline end
+  def search_goto_line line; jump_to_line line end
 
   def col_left
     return unless @leftcol > 0
     @leftcol -= COL_JUMP
     buffer.mark_dirty
@@ -128,9 +131,11 @@
 
   def line_down; jump_to_line @topline + 1; end
   def line_up;  jump_to_line @topline - 1; end
   def page_down; jump_to_line @topline + buffer.content_height - @slip_rows; end
   def page_up; jump_to_line @topline - buffer.content_height + @slip_rows; end
+  def half_page_down; jump_to_line @topline + buffer.content_height / 2; end
+  def half_page_up; jump_to_line @topline - buffer.content_height / 2; end
   def jump_to_start; jump_to_line 0; end
   def jump_to_end; jump_to_line lines - buffer.content_height; end
 
   def ensure_mode_validity
     @topline = @topline.clamp 0, [lines - 1, 0].max