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37
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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40
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3 local ipairs = Luan.ipairs or error()
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37
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4 local String = require "luan:String.luan"
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5 local to_number = String.to_number or error()
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6 local new_menu_item = require("luan:swing/Menu_item.luan").new or error()
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7 local new_check_box_menu_item = require("luan:swing/Check_box_menu_item.luan").new or error()
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8 local new_menu_bar = require("luan:swing/Menu_bar.luan").new or error()
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9 local Menu = require "luan:swing/Menu.luan"
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10 local new_menu = Menu.new or error()
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11 local separator = Menu.separator or error()
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12 local Option_pane = require "luan:swing/Option_pane.luan"
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13 local show_message_dialog = Option_pane.show_message_dialog or error()
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14 local show_input_dialog = Option_pane.show_input_dialog or error()
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40
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15 local Frame = require "luan:swing/Frame.luan"
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16 local get_all_frames = Frame.get_all_frames or error()
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37
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17 local Spell_checker = require "classpath:luan_editor/Spell_checker.luan"
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18 local spell_check = Spell_checker.spell_check or error()
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19
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20
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21 local function action_listener(fn)
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22 return function(_)
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23 fn()
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24 end
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25 end
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26
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27 local function add_menu_bar(window)
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28 local text_area = window.text_area
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29 local document = text_area.document
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30 local status_bar = window.status_bar
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31 local revert = new_menu_item{
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32 text = "Revert"
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33 enabled = window.has_file
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34 action_listener = action_listener(window.revert)
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35 }
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36 local undo = new_menu_item{
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37 text = "Undo"
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38 accelerator = "meta Z"
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39 action_listener = action_listener(document.undo)
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40 }
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41 local redo = new_menu_item{
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42 text = "Redo"
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43 accelerator = "meta shift Z"
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44 action_listener = action_listener(document.redo)
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45 }
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46 local function update_undo_redo()
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47 undo.set_enabled(document.can_undo())
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48 redo.set_enabled(document.can_redo())
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49 end
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50 window.update_undo_redo = update_undo_redo -- dont gc
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51 update_undo_redo()
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52 document.add_undo_listener(update_undo_redo)
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53
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54 local find_menu_item = new_check_box_menu_item{
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55 text = "Find and Replace"
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56 accelerator = "meta F"
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57 action_listener = function(event)
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58 window.show_find_panel(event.source.state)
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59 end
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60 }
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61 window.find_menu_item = find_menu_item
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62
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63 local menu_bar = new_menu_bar{
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64 menus = {
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65 new_menu{
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66 text = "File"
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67 menu_items = {
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68 new_menu_item{
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69 text = "New File"
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70 accelerator = "meta N"
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71 action_listener = action_listener(window.new)
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72 }
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73 new_menu_item{
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74 text = "Open..."
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75 accelerator = "meta O"
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76 action_listener = action_listener(window.open)
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77 }
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78 new_menu_item{
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79 text = "Save"
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80 accelerator = "meta S"
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81 action_listener = function(_)
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82 if window.save() then
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83 revert.set_enabled(true)
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84 end
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85 end
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86 }
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87 new_menu_item{
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88 text = "Print"
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89 action_listener = action_listener(text_area.print)
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90 }
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91 revert
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92 --[[
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93 new_menu_item{
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94 text = "Test"
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95 action_listener = function(_)
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96 local location = window.frame.location
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97 location.y = location.y - 20
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98 window.frame.location = location
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99 end
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100 }
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101 ]]
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102 }
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103 }
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104 new_menu{
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105 text = "Edit"
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106 menu_items = {
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107 undo
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108 redo
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109 separator
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110 new_menu_item{
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111 text = "Cut"
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112 accelerator = "meta X"
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113 action_listener = action_listener(text_area.cut)
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114 }
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115 new_menu_item{
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116 text = "Copy"
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117 accelerator = "meta C"
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118 action_listener = action_listener(text_area.copy)
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119 }
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120 new_menu_item{
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121 text = "Paste"
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122 accelerator = "meta V"
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123 action_listener = action_listener(text_area.paste)
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124 }
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125 separator
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126 new_menu_item{
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127 text = "Indent"
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128 accelerator = "meta CLOSE_BRACKET"
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129 action_listener = action_listener(window.indent)
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130 }
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131 new_menu_item{
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132 text = "Unindent"
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133 accelerator = "meta OPEN_BRACKET"
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134 action_listener = action_listener(window.unindent)
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135 }
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136 separator
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137 new_menu_item{
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138 text = "Select All"
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139 accelerator = "meta A"
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140 action_listener = action_listener(text_area.select_all)
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141 }
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142 }
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143 }
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144 new_menu{
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145 text = "Find"
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146 menu_items = {
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147 find_menu_item
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148 new_menu_item{
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149 text = "Find Case Insensitive"
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150 action_listener = window.find_case_insensitive
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151 }
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152 new_menu_item{
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153 text = "Convert Leading Tabs to Spaces"
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154 action_listener = window.tabs_to_spaces
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155 }
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156 new_menu_item{
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157 text = "Convert Leading Spaces to Tabs"
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158 action_listener = window.spaces_to_tabs
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159 }
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160 }
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161 }
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162 new_menu{
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163 text = "View"
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164 menu_items = {
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165 new_check_box_menu_item{
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166 text = "Word Wrap"
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167 state = text_area.line_wrap
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168 action_listener = function(event)
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169 window.set_line_wrap(event.source.state)
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170 end
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171 }
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172 new_check_box_menu_item{
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173 text = "Show Whitespace"
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174 accelerator = "meta W"
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175 state = text_area.whitespace_visible
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176 action_listener = function(event)
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177 window.set_whitespace_visible(event.source.state)
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178 end
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179 }
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180 new_check_box_menu_item{
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181 text = "Spell Check"
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182 accelerator = "meta SEMICOLON"
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183 action_listener = function(event)
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184 spell_check(text_area,event.source.state)
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185 end
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186 }
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187 new_menu_item{
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188 text = "Cursor Column"
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189 accelerator = "meta B"
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190 action_listener = function(_)
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191 status_bar.text = "Cursor Column: "..window.cursor_column()
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192 end
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193 }
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194 new_menu_item{
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195 text = "Goto Line"
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196 accelerator = "meta G"
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197 action_listener = function(_)
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198 local input = show_input_dialog( window.frame, "Goto line" )
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199 if input == nil then
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200 return
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201 end
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202 local line = to_number(input)
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203 try
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204 window.goto(line)
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205 status_bar.text = "Went to line "..line
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206 catch e
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207 status_bar.text = "Invalid line: "..input
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208 end
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209 end
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210 }
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211 new_menu_item{
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212 text = "Tab Size"
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213 action_listener = function(_)
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214 local input = show_input_dialog( window.frame, "Tab size", text_area.tab_size )
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215 if input == nil then
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216 return
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217 end
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218 local size = to_number(input)
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219 try
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220 window.set_tab_size(size)
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221 status_bar.text = "Set tab size to "..size
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222 catch e
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223 status_bar.text = "Invalid tab size: "..input
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224 end
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225 end
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226 }
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227 }
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228 }
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38
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229 new_menu{
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230 text = "Window"
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231 menu_items = {
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232 new_menu_item{
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233 text = "Duplicate Window"
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234 action_listener = action_listener(window.duplicate)
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235 }
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40
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236 new_menu_item{
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237 text = "Align Windows"
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238 action_listener = function(_)
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239 local this_frame = window.frame
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240 local location = this_frame.location
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241 local size = this_frame.size
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242 for _, frame in ipairs(get_all_frames()) do
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243 frame.location = location
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244 frame.size = size
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245 end
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246 end
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247 }
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38
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248 }
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249 }
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37
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250 }
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251 }
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252 window.frame.set_menu_bar(menu_bar)
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253 end
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254
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255 return add_menu_bar
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