Class: EasyJump

Inherits:
Object
  • Object
show all
Defined in:
lib/vimamsa/easy_jump.rb

Overview

Similar feature as Vim EasyMotion github.com/easymotion/vim-easymotion

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EasyJump 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/vimamsa/easy_jump.rb', line 11

def initialize()
  # message "EASY JUMP"
  visible_range = get_visible_area()
  visible_text = buf[visible_range[0]..visible_range[1]]
  wsmarks = scan_word_start_marks(visible_text)
  line_starts = scan_indexes(visible_text, /^/)
  lsh = Hash[line_starts.collect { |x| [x, true] }]
  wsmh = Hash[wsmarks.collect { |x| [x, true] }]

  wsmarks.select! { |x|
    r = true
    r = false if lsh[x] or lsh[x - 1] or lsh[x - 2]
    r
  }

  linestart_buf = (line_starts).collect { |x| x + visible_range[0] }
  wsmarks_buf = (wsmarks).collect { |x| x + visible_range[0] }

  # All line starts should be accessible with just two key presses, so put them first in order
  # Other word start positions ordered by distance from current pos
  wsmarks_buf.sort_by! { |x| (x - buf.pos).abs }
  @easy_jump_wsmarks = linestart_buf + wsmarks_buf

  @jump_sequence = make_jump_sequence(@easy_jump_wsmarks.size)

  vma.kbd.set_keyhandling_override(self.method(:easy_jump_input_char))
  @easy_jump_input = ""
  easy_jump_draw
end

Class Method Details

.start ⇒ Object

def self.initialize() make_jump_sequence end



7
8
9
 
# File 'lib/vimamsa/easy_jump.rb', line 7

def self.start()
  @@cur = EasyJump.new
end

Instance Method Details

#easy_jump_draw ⇒ Object 



65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
 
# File 'lib/vimamsa/easy_jump.rb', line 65

def easy_jump_draw()
  # puts @jump_sequence.inspect
  # puts @easy_jump_wsmarks.inspect
  vma.gui.start_overlay_draw
  for i in 0..(@easy_jump_wsmarks.size - 1)
    vma.gui.overlay_draw_text(@jump_sequence[i], @easy_jump_wsmarks[i])
  end
  vma.gui.end_overlay_draw

  return
  return if @jump_sequence.empty?
  puts "EASY JUMP DRAW"
  screen_cord = cpp_function_wrapper(0, [@easy_jump_wsmarks])
  screen_cord = screen_cord[1..@jump_sequence.size]
  screen_cord.each_with_index { |point, i|
    mark_str = @jump_sequence[i]
    #puts "draw #{point[0]}x#{point[1]}"
    draw_text(mark_str, point[0] + 3, point[1])
    #break if m > @cpos
  }
end

#easy_jump_input_char(c, event_type) ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/vimamsa/easy_jump.rb', line 41

def easy_jump_input_char(c, event_type)
  return true if event_type != :key_press
  # vma.paint_stack = []
  puts "EASY JUMP: easy_jump_input_char [#{c}]"
  @easy_jump_input << c.upcase
  if @jump_sequence.include?(@easy_jump_input)
    jshash = Hash[@jump_sequence.map.with_index.to_a]
    nthword = jshash[@easy_jump_input]
    puts "nthword:#{nthword} #{[@easy_jump_wsmarks[nthword], @jump_sequence[nthword]]}"
    buf.set_pos(@easy_jump_wsmarks[nthword])
    # @kbd.set_mode(:command)
    vma.kbd.remove_keyhandling_override
    @jump_sequence = []
    vma.gui.clear_overlay()
  end
  if @easy_jump_input.size > 2
    # @kbd.set_mode(:command)
    vma.kbd.remove_keyhandling_override
    @jump_sequence = []
    vma.gui.clear_overlay()
  end
  return true
end

#make_jump_sequence(num_items) ⇒ Object 



87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
 
# File 'lib/vimamsa/easy_jump.rb', line 87

def make_jump_sequence(num_items)
  left_hand = "asdfvgbqwertzxc123".upcase.split("")
  right_hand = "jklhnnmyuiop890".upcase.split("")

  sequence = []
  left_hand_fast = "asdf".upcase.split("")
  right_hand_fast = "jkl;".upcase.split("")

  left_hand_slow = "wergc".upcase.split("") # v
  right_hand_slow = "uiophnm,".upcase.split("")

  left_hand_slow2 = "tzx23".upcase.split("")
  right_hand_slow2 = "yb9'".upcase.split("")

  # Rmoved characters that can be mixed: O0Q, 8B, I1, VY

  left_fast_slow = Array.new(left_hand_fast).concat(left_hand_slow)
  right_fast_slow = Array.new(right_hand_fast).concat(right_hand_slow)

  left_hand_all = Array.new(left_hand_fast).concat(left_hand_slow).concat(left_hand_slow2)
  right_hand_all = Array.new(right_hand_fast).concat(right_hand_slow).concat(right_hand_slow2)

  left_hand_fast.each { |x|
    left_hand_fast.each { |y|
      sequence << "#{x}#{y}"
    }
  }

  right_hand_fast.each { |x|
    right_hand_fast.each { |y|
      sequence << "#{x}#{y}"
    }
  }

  right_hand_fast.each { |x|
    left_hand_fast.each { |y|
      sequence << "#{x}#{y}"
    }
  }

  left_hand_fast.each { |x|
    right_hand_fast.each { |y|
      sequence << "#{x}#{y}"
    }
  }

  left_hand_slow.each { |x|
    right_fast_slow.each { |y|
      sequence << "#{x}#{y}"
    }
  }

  right_hand_slow.each { |x|
    left_fast_slow.each { |y|
      sequence << "#{x}#{y}"
    }
  }

  left_hand_slow2.each { |x|
    right_hand_all.each { |y|
      left_hand_all.each { |z|
        sequence << "#{x}#{y}#{z}"
      }
    }
  }

  right_hand_slow2.each { |x|
    left_hand_all.each { |y|
      right_hand_all.each { |z|
        sequence << "#{x}#{y}#{z}"
      }
    }
  }

  #printf("Size of sequence: %d\n",sequence.size)
  #puts sequence.inspect
  return sequence
end