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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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48
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36 local view_file_path = new_menu_item{
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37 text = "File Path"
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38 enabled = window.has_file
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39 action_listener = function(_)
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40 status_bar.text = window.title()
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41 end
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42 }
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37
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43 local undo = new_menu_item{
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44 text = "Undo"
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45 accelerator = "meta Z"
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46 action_listener = action_listener(document.undo)
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47 }
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48 local redo = new_menu_item{
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49 text = "Redo"
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50 accelerator = "meta shift Z"
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51 action_listener = action_listener(document.redo)
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52 }
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53 local function update_undo_redo()
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54 undo.set_enabled(document.can_undo())
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55 redo.set_enabled(document.can_redo())
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56 end
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57 window.update_undo_redo = update_undo_redo -- dont gc
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58 update_undo_redo()
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59 document.add_undo_listener(update_undo_redo)
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60
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61 local find_menu_item = new_check_box_menu_item{
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62 text = "Find and Replace"
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63 accelerator = "meta F"
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64 action_listener = function(event)
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65 window.show_find_panel(event.source.state)
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66 end
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67 }
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68 window.find_menu_item = find_menu_item
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69
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70 local menu_bar = new_menu_bar{
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71 menus = {
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72 new_menu{
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73 text = "File"
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74 menu_items = {
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75 new_menu_item{
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76 text = "New File"
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77 accelerator = "meta N"
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78 action_listener = action_listener(window.new)
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79 }
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80 new_menu_item{
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81 text = "Open..."
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82 accelerator = "meta O"
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83 action_listener = action_listener(window.open)
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84 }
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85 new_menu_item{
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86 text = "Save"
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87 accelerator = "meta S"
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88 action_listener = function(_)
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89 if window.save() then
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90 revert.set_enabled(true)
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48
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91 view_file_path.set_enabled(true)
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37
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92 end
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93 end
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94 }
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95 new_menu_item{
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96 text = "Print"
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97 action_listener = action_listener(text_area.print)
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98 }
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99 revert
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100 --[[
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101 new_menu_item{
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102 text = "Test"
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103 action_listener = function(_)
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104 local location = window.frame.location
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105 location.y = location.y - 20
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106 window.frame.location = location
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107 end
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108 }
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109 ]]
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110 }
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111 }
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112 new_menu{
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113 text = "Edit"
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114 menu_items = {
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115 undo
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116 redo
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117 separator
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118 new_menu_item{
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119 text = "Cut"
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120 accelerator = "meta X"
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121 action_listener = action_listener(text_area.cut)
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122 }
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123 new_menu_item{
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124 text = "Copy"
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125 accelerator = "meta C"
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126 action_listener = action_listener(text_area.copy)
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127 }
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128 new_menu_item{
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129 text = "Paste"
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130 accelerator = "meta V"
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131 action_listener = action_listener(text_area.paste)
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132 }
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133 separator
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134 new_menu_item{
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135 text = "Indent"
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136 accelerator = "meta CLOSE_BRACKET"
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137 action_listener = action_listener(window.indent)
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138 }
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139 new_menu_item{
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140 text = "Unindent"
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141 accelerator = "meta OPEN_BRACKET"
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142 action_listener = action_listener(window.unindent)
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143 }
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144 separator
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145 new_menu_item{
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146 text = "Select All"
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147 accelerator = "meta A"
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148 action_listener = action_listener(text_area.select_all)
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149 }
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150 }
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151 }
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152 new_menu{
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153 text = "Find"
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154 menu_items = {
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155 find_menu_item
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156 new_menu_item{
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157 text = "Find Case Insensitive"
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158 action_listener = window.find_case_insensitive
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159 }
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160 new_menu_item{
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161 text = "Convert Leading Tabs to Spaces"
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162 action_listener = window.tabs_to_spaces
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163 }
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164 new_menu_item{
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165 text = "Convert Leading Spaces to Tabs"
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166 action_listener = window.spaces_to_tabs
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167 }
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168 }
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169 }
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170 new_menu{
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171 text = "View"
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172 menu_items = {
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173 new_check_box_menu_item{
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174 text = "Word Wrap"
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175 state = text_area.line_wrap
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176 action_listener = function(event)
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177 window.set_line_wrap(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 = "Show Whitespace"
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182 accelerator = "meta W"
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183 state = text_area.whitespace_visible
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184 action_listener = function(event)
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185 window.set_whitespace_visible(event.source.state)
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186 end
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187 }
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188 new_check_box_menu_item{
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189 text = "Spell Check"
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190 accelerator = "meta SEMICOLON"
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191 action_listener = function(event)
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192 spell_check(text_area,event.source.state)
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193 end
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194 }
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195 new_menu_item{
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196 text = "Cursor Column"
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197 accelerator = "meta B"
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198 action_listener = function(_)
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199 status_bar.text = "Cursor Column: "..window.cursor_column()
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200 end
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201 }
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202 new_menu_item{
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203 text = "Goto Line"
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204 accelerator = "meta G"
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205 action_listener = function(_)
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206 local input = show_input_dialog( window.frame, "Goto line" )
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207 if input == nil then
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208 return
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209 end
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210 local line = to_number(input)
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211 try
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212 window.goto(line)
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213 status_bar.text = "Went to line "..line
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214 catch e
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215 status_bar.text = "Invalid line: "..input
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216 end
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217 end
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218 }
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219 new_menu_item{
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220 text = "Tab Size"
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221 action_listener = function(_)
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222 local input = show_input_dialog( window.frame, "Tab size", text_area.tab_size )
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223 if input == nil then
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224 return
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225 end
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226 local size = to_number(input)
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227 try
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228 window.set_tab_size(size)
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229 status_bar.text = "Set tab size to "..size
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230 catch e
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231 status_bar.text = "Invalid tab size: "..input
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232 end
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233 end
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234 }
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48
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235 view_file_path
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37
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236 }
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237 }
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38
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238 new_menu{
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239 text = "Window"
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240 menu_items = {
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241 new_menu_item{
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242 text = "Duplicate Window"
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243 action_listener = action_listener(window.duplicate)
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244 }
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40
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245 new_menu_item{
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246 text = "Align Windows"
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247 action_listener = function(_)
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248 local this_frame = window.frame
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249 local location = this_frame.location
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250 local size = this_frame.size
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251 for _, frame in ipairs(get_all_frames()) do
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252 frame.location = location
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253 frame.size = size
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254 end
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255 end
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256 }
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41
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257 new_menu_item{
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258 text = "List Windows"
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259 accelerator = "meta L"
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260 action_listener = action_listener(window.show_list_window)
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261 }
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38
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262 }
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263 }
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37
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264 }
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265 }
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266 window.frame.set_menu_bar(menu_bar)
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267 end
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268
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269 return add_menu_bar
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