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|
#!/usr/bin/ruby
#
# @file Merger
#
# @copyright (c) 2011, Christoph Kappel <unexist@dorfelite.net>
# @version $Id$
#
# This program can be distributed under the terms of the GNU GPLv2.
# See the file COPYING for details.
#
# Select and tag/untag visible views of current client window
#
# Colors:
#
# Focus - Currently selected view
# View - Other views
# Occupied - Views client is visible
# Urgent - Selected views
#
# Keys:
#
# Left, Up - Move to left
# Right, Down - Move to right
# Escape - Hide/exit
# Space - Select view
# Return - Tag/untag selected views and exit hide/exit
#
# http://subforge.org/projects/subtle-contrib/wiki/Positioner
#
require "singleton"
begin
require "subtle/subtlext"
rescue LoadError
puts ">>> ERROR: Couldn't find subtlext"
exit
end
# Check for subtlext version
major, minor, teeny = Subtlext::VERSION.split(".").map(&:to_i)
if(major == 0 and minor == 10 and 3006 > teeny)
puts ">>> ERROR: merger needs at least subtle `0.10.3006' (found: %s)" % [
Subtlext::VERSION
]
exit
end
# Merger class
module Subtle # {{{
module Contrib # {{{
class Merger # {{{
include Singleton
# Default values
@@font = "-*-*-medium-*-*-*-14-*-*-*-*-*-*-*"
# Singleton methods
## fonts {{{
# Set font strings
# @param [String] fonts Fonts array
##
def self.font=(font)
@@font = font
end # }}}
## run {{{
# Run expose
##
def self.run
self.instance.run
end # }}}
# Instance methods
## initialize {{{
# Create expose instance
##
def initialize
# Values
@colors = Subtlext::Subtle.colors
@merged = {}
@backup = {}
# Create main window
@win = Subtlext::Window.new(:x => 0, :y => 0, :width => 1, :height => 1) do |w|
w.name = "Merger"
w.font = @@font
w.foreground = @colors[:title_fg]
w.background = @colors[:title_bg]
w.border_size = 0
end
# Font metrics
@font_height = @win.font_height + 6
@font_y = @win.font_y
# Handler
@win.on :key_down, method(:key_down)
@win.on :draw, method(:redraw)
end # }}}
## run {{{
# Show and run positioner
##
def run
update
show
hide
end # }}}
private
## key_down {{{
# Key down handler
# @param [String] key Pressed key
##
def key_down(key)
ret = true
case key
when :left, :up # {{{
idx = @views.index(@selected)
idx -= 1 if(1 < idx)
@selected = @views[idx] # }}}
when :right, :down # {{{
idx = @views.index(@selected)
idx += 1 if(idx < (@views.size - 1))
@selected = @views[idx] # }}}
when :space # {{{
if(@merged[@current.name].include?(@selected))
@merged[@current.name].delete(@selected)
else
@merged[@current.name] << @selected
end # }}}
p @merged
when :return # {{{
# Restore tags or update
if(@merged[@current.name].empty?)
@merged.delete(@current.name)
@current.tags = @backup[@current.name]
else
@current.tags = @merged[@current.name].inject(
@backup[@current.name]) { |r, v| r | v.tags }
end
ret = false # }}}
when :escape # {{{
@merged.delete(@current.name)
ret = false # }}}
end
redraw(@win) if(ret)
ret
end # }}}
## update # {{{
# Update clients and windows
##
def update
@current = Subtlext::View.current
@views = Subtlext::View.all.select { |v| v != @current }
@selected = @views.first
@views.unshift(@current)
# Backup tags of current view
unless(@backup.keys.include?(@current.name))
@backup[@current.name] = @current.tags
end
# Create empty array
unless(@merged.keys.include?(@current.name))
@merged[@current.name] = []
end
arrange
end # }}}
## arrange {{{
# Arrange window and subwindows
##
def arrange
geo = Subtlext::Screen.current.geometry
width = geo.width * 50 / 100 #< Max width
height = @font_height
wx = 0
wy = 0
len = 0
wwidth = 0
# Arrange client windows
@views.each_with_index do |v, i|
len = @win.font_width(v.name) + 6
# Wrap lines
if(wx + len > width)
wwidth = wx if(wx > wwidth)
wx = 0
wy += @font_height
end
wx += len
end
# Update geometry
width = 0 == wwidth ? wx : wwidth
height += wy
x = geo.x + ((geo.width - width) / 2)
y = geo.y + ((geo.height - height) / 2)
@win.geometry = [ x , y, width, height ]
end # }}}
## redraw {{{
# Redraw window content
# @param [Window] w Window instance
##
def redraw(w)
@win.clear
wx = 0
wy = 0
len = 0
@views.each_with_index do |v, i|
len = @win.font_width(v.name) + 6
# Select color
if(v == @selected)
fg = @colors[:focus_fg]
bg = @colors[:focus_bg]
elsif(v == @current)
fg = @colors[:occupied_fg]
bg = @colors[:occupied_bg]
else
fg = @colors[:unoccupied_fg]
bg = @colors[:unoccupied_bg]
end
if(@merged[@current.name].include?(v))
fg = @colors[:urgent_fg]
end
@win.draw_rect(wx, wy, len, @font_height, bg, true)
@win.draw_text(wx + 3, wy + @font_y + 3, v.name, fg)
wx += len
end
end # }}}
## show {{{
# Show launcher
##
def show
@win.show
end # }}}
## hide # {{{
# Hide launcher
##
def hide
@win.hide
end # }}}
end # }}}
end # }}}
end # }}}
# Implicitly run
if(__FILE__ == $0)
# Set font
#Subtle::Contrib::Merger.font =
# "xft:DejaVu Sans Mono:pixelsize=80:antialias=true"
Subtle::Contrib::Merger.run
end
# vim:ts=2:bs=2:sw=2:et:fdm=marker
|
