Pathogen and new bundles
git-svn-id: http://photonzero.com/dotfiles/trunk@65 23f722f6-122a-0410-8cef-c75bd312dd78
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340
.vim/bundle/command-t/ruby/command-t/match_window.rb
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.vim/bundle/command-t/ruby/command-t/match_window.rb
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# Copyright 2010 Wincent Colaiuta. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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require 'ostruct'
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require 'command-t/settings'
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module CommandT
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class MatchWindow
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@@selection_marker = '> '
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@@marker_length = @@selection_marker.length
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@@unselected_marker = ' ' * @@marker_length
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def initialize options = {}
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@prompt = options[:prompt]
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# save existing window dimensions so we can restore them later
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@windows = []
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(0..(::VIM::Window.count - 1)).each do |i|
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window = OpenStruct.new :index => i, :height => ::VIM::Window[i].height
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@windows << window
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end
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# global settings (must manually save and restore)
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@settings = Settings.new
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::VIM::set_option 'timeout' # ensure mappings timeout
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::VIM::set_option 'timeoutlen=0' # respond immediately to mappings
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::VIM::set_option 'nohlsearch' # don't highlight search strings
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::VIM::set_option 'noinsertmode' # don't make Insert mode the default
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::VIM::set_option 'noshowcmd' # don't show command info on last line
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::VIM::set_option 'report=9999' # don't show "X lines changed" reports
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::VIM::set_option 'sidescroll=0' # don't sidescroll in jumps
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::VIM::set_option 'sidescrolloff=0' # don't sidescroll automatically
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::VIM::set_option 'noequalalways' # don't auto-balance window sizes
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# create match window and set it up
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split_location = options[:match_window_at_top] ? 'topleft' : 'botright'
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split_command = "silent! #{split_location} 1split GoToFile"
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[
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split_command,
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'setlocal bufhidden=delete', # delete buf when no longer displayed
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'setlocal buftype=nofile', # buffer is not related to any file
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'setlocal nomodifiable', # prevent manual edits
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'setlocal noswapfile', # don't create a swapfile
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'setlocal nowrap', # don't soft-wrap
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'setlocal nonumber', # don't show line numbers
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'setlocal nolist', # don't use List mode (visible tabs etc)
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'setlocal foldcolumn=0', # don't show a fold column at side
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'setlocal foldlevel=99', # don't fold anything
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'setlocal nocursorline', # don't highlight line cursor is on
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'setlocal nospell', # spell-checking off
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'setlocal nobuflisted', # don't show up in the buffer list
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'setlocal textwidth=0' # don't hard-wrap (break long lines)
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].each { |command| ::VIM::command command }
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# sanity check: make sure the buffer really was created
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raise "Can't find buffer" unless $curbuf.name.match /GoToFile/
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# syntax coloring
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if VIM::has_syntax?
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::VIM::command "syntax match CommandTSelection \"^#{@@selection_marker}.\\+$\""
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::VIM::command 'syntax match CommandTNoEntries "^-- NO MATCHES --$"'
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::VIM::command 'syntax match CommandTNoEntries "^-- NO SUCH FILE OR DIRECTORY --$"'
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::VIM::command 'highlight link CommandTSelection Visual'
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::VIM::command 'highlight link CommandTNoEntries Error'
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::VIM::evaluate 'clearmatches()'
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# hide cursor
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@cursor_highlight = get_cursor_highlight
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hide_cursor
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end
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@has_focus = false
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@selection = nil
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@abbrev = ''
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@window = $curwin
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@buffer = $curbuf
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end
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def close
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::VIM::command "bwipeout! #{@buffer.number}"
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restore_window_dimensions
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@settings.restore
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@prompt.dispose
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show_cursor
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end
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def add! char
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@abbrev += char
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end
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def backspace!
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@abbrev.chop!
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end
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def select_next
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if @selection < @matches.length - 1
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@selection += 1
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print_match(@selection - 1) # redraw old selection (removes marker)
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print_match(@selection) # redraw new selection (adds marker)
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else
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# (possibly) loop or scroll
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end
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end
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def select_prev
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if @selection > 0
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@selection -= 1
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print_match(@selection + 1) # redraw old selection (removes marker)
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print_match(@selection) # redraw new selection (adds marker)
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else
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# (possibly) loop or scroll
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end
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end
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def matches= matches
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if matches != @matches
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@matches = matches
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@selection = 0
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print_matches
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end
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end
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def focus
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unless @has_focus
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@has_focus = true
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if VIM::has_syntax?
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::VIM::command 'highlight link CommandTSelection Search'
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end
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end
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end
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def unfocus
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if @has_focus
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@has_focus = false
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if VIM::has_syntax?
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::VIM::command 'highlight link CommandTSelection Visual'
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end
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end
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end
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def find char
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# is this a new search or the continuation of a previous one?
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now = Time.now
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if @last_key_time.nil? or @last_key_time < (now - 0.5)
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@find_string = char
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else
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@find_string += char
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end
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@last_key_time = now
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# see if there's anything up ahead that matches
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@matches.each_with_index do |match, idx|
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if match[0, @find_string.length].casecmp(@find_string) == 0
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old_selection = @selection
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@selection = idx
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print_match(old_selection) # redraw old selection (removes marker)
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print_match(@selection) # redraw new selection (adds marker)
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break
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end
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end
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end
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# Returns the currently selected item as a String.
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def selection
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@matches[@selection]
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end
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def print_no_such_file_or_directory
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print_error 'NO SUCH FILE OR DIRECTORY'
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end
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private
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def print_error msg
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return unless VIM::Window.select(@window)
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unlock
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clear
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@window.height = 1
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@buffer[1] = "-- #{msg} --"
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lock
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end
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def restore_window_dimensions
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# sort from tallest to shortest
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@windows.sort! { |a, b| b.height <=> a.height }
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# starting with the tallest ensures that there are no constraints
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# preventing windows on the side of vertical splits from regaining
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# their original full size
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@windows.each do |w|
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# beware: window may be nil
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window = ::VIM::Window[w.index]
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window.height = w.height if window
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end
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end
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def match_text_for_idx idx
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match = truncated_match @matches[idx]
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if idx == @selection
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prefix = @@selection_marker
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suffix = padding_for_selected_match match
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else
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prefix = @@unselected_marker
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suffix = ''
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end
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prefix + match + suffix
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end
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# Print just the specified match.
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def print_match idx
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return unless VIM::Window.select(@window)
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unlock
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@buffer[idx + 1] = match_text_for_idx idx
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lock
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end
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# Print all matches.
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def print_matches
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match_count = @matches.length
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if match_count == 0
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print_error 'NO MATCHES'
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else
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return unless VIM::Window.select(@window)
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unlock
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clear
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actual_lines = 1
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@window_width = @window.width # update cached value
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max_lines = VIM::Screen.lines - 5
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max_lines = 1 if max_lines < 0
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actual_lines = match_count > max_lines ? max_lines : match_count
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@window.height = actual_lines
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(1..actual_lines).each do |line|
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idx = line - 1
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if @buffer.count >= line
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@buffer[line] = match_text_for_idx idx
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else
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@buffer.append line - 1, match_text_for_idx(idx)
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end
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end
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lock
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end
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end
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# Prepare padding for match text (trailing spaces) so that selection
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# highlighting extends all the way to the right edge of the window.
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def padding_for_selected_match str
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len = str.length
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if len >= @window_width - @@marker_length
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''
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else
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' ' * (@window_width - @@marker_length - len)
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end
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end
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# Convert "really/long/path" into "really...path" based on available
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# window width.
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def truncated_match str
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len = str.length
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available_width = @window_width - @@marker_length
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return str if len <= available_width
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left = (available_width / 2) - 1
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right = (available_width / 2) - 2 + (available_width % 2)
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str[0, left] + '...' + str[-right, right]
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end
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def clear
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# range = % (whole buffer)
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# action = d (delete)
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# register = _ (black hole register, don't record deleted text)
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::VIM::command 'silent %d _'
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end
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def get_cursor_highlight
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# as :highlight returns nothing and only prints,
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# must redirect its output to a variable
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::VIM::command 'silent redir => g:command_t_cursor_highlight'
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# force 0 verbosity to ensure origin information isn't printed as well
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::VIM::command 'silent! 0verbose highlight Cursor'
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::VIM::command 'silent redir END'
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# there are 3 possible formats to check for, each needing to be
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# transformed in a certain way in order to reapply the highlight:
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# Cursor xxx guifg=bg guibg=fg -> :hi! Cursor guifg=bg guibg=fg
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# Cursor xxx links to SomethingElse -> :hi! link Cursor SomethingElse
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# Cursor xxx cleared -> :hi! clear Cursor
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highlight = ::VIM::evaluate 'g:command_t_cursor_highlight'
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if highlight =~ /^Cursor\s+xxx\s+links to (\w+)/
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"link Cursor #{$~[1]}"
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elsif highlight =~ /^Cursor\s+xxx\s+cleared/
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'clear Cursor'
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elsif highlight =~ /Cursor\s+xxx\s+(.+)/
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"Cursor #{$~[1]}"
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else # likely cause E411 Cursor highlight group not found
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nil
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end
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end
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def hide_cursor
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if @cursor_highlight
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::VIM::command 'highlight Cursor NONE'
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end
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end
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def show_cursor
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if @cursor_highlight
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::VIM::command "highlight #{@cursor_highlight}"
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end
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end
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def lock
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::VIM::command 'setlocal nomodifiable'
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end
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def unlock
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::VIM::command 'setlocal modifiable'
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end
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end
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end
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