Mercurial > cgi-bin > hgweb.cgi > ClipMan
annotate src/name/blackcap/clipman/Main.kt @ 23:14049bc97a7c
More package stuff.
author | David Barts <n5jrn@me.com> |
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date | Thu, 23 Jan 2020 14:29:32 -0800 |
parents | c10a447b9e1b |
children | dac8dfb4b549 |
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0
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1 /* |
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2 * The entry point and most of the view logic is here. |
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3 */ |
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4 package name.blackcap.clipman |
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5 |
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6 import java.awt.BorderLayout |
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7 import java.awt.Color |
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8 import java.awt.Container |
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9 import java.awt.Dimension |
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10 import java.awt.Font |
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11 import java.awt.Toolkit; |
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12 import java.awt.datatransfer.* |
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13 import java.awt.event.WindowEvent |
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14 import java.awt.event.WindowListener |
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15 import java.util.Date |
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16 import java.util.concurrent.Semaphore |
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17 import java.util.logging.Level |
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18 import java.util.logging.Logger |
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19 import javax.swing.* |
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20 import javax.swing.border.* |
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21 import javax.swing.text.JTextComponent |
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22 import javax.swing.text.html.StyleSheet |
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23 import javax.swing.text.html.HTMLEditorKit |
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24 import kotlin.concurrent.thread |
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25 import org.jsoup.Jsoup |
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26 import org.jsoup.nodes.* |
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27 |
7 | 28 /* name we call ourselves */ |
29 val MYNAME = "ClipMan" | |
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30 |
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31 /* default sizes */ |
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32 val CPWIDTH = 640 |
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33 val CPHEIGHT = 480 |
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34 |
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35 /* border widths */ |
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36 val PANEL_BORDER = 9 |
10 | 37 val OUTER_BORDER_TOP = 3 |
38 val OUTER_BORDER = 9 | |
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39 val INNER_BORDER = 1 |
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40 val MARGIN_BORDER = 3 |
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41 |
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42 /* default font sizes in the text-display panes */ |
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43 val MONO_SIZE = 14 |
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44 val PROP_SIZE = 16 |
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45 |
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46 /* kills the updating thread (and does a system exit) when needed */ |
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47 class KillIt(val thr: Thread) : WindowListener { |
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48 // events we don't care about |
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49 override fun windowActivated(e: WindowEvent) {} |
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50 override fun windowClosed(e: WindowEvent) {} |
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51 override fun windowDeactivated(e: WindowEvent) {} |
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52 override fun windowDeiconified(e: WindowEvent) {} |
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53 override fun windowIconified(e: WindowEvent) {} |
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54 override fun windowOpened(e: WindowEvent) {} |
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55 |
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56 // and the one we do |
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57 override fun windowClosing(e: WindowEvent) { |
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58 thr.run { interrupt(); join() } |
6 | 59 LOGGER.log(Level.INFO, "execution complete") |
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60 System.exit(0) |
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61 } |
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62 } |
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63 |
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64 class ClipText: JTextPane() { |
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65 override fun getMaximumSize(): Dimension { |
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66 return Dimension(Int.MAX_VALUE, preferredSize.height) |
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67 } |
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68 } |
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69 |
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70 /* HTMLEditorKit shares all stylesheets. How unbelievably braindamaged. */ |
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71 class MyEditorKit: HTMLEditorKit() { |
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72 private var _styleSheet = defaultStyleSheet |
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73 override fun getStyleSheet() = _styleSheet |
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74 override fun setStyleSheet(value: StyleSheet) { |
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75 _styleSheet = value |
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76 } |
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77 |
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78 val defaultStyleSheet: StyleSheet |
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79 get() { |
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80 return super.getStyleSheet() |
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81 } |
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82 } |
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83 |
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84 /* the updating thread */ |
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85 class UpdateIt(val queue: PasteboardQueue, val interval: Int): Thread() { |
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86 @Volatile var enabled = true |
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87 private val outerBorder = |
10 | 88 MatteBorder(OUTER_BORDER_TOP, OUTER_BORDER, OUTER_BORDER, OUTER_BORDER, |
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89 queue.parent.background) |
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90 private val stdBorder = |
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91 CompoundBorder(LineBorder(Color.GRAY, INNER_BORDER), |
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92 EmptyBorder(MARGIN_BORDER, MARGIN_BORDER, MARGIN_BORDER, MARGIN_BORDER)) |
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93 |
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94 override fun run() { |
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95 var oldContents: PasteboardItem? = null |
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96 while (true) { |
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97 if (enabled) { |
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98 var contents = PasteboardItem.read() |
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99 if ((contents != null) && (contents != oldContents)) { |
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100 val stdWidth = queue.parent.size.width - 2 * (PANEL_BORDER+OUTER_BORDER+INNER_BORDER+MARGIN_BORDER) |
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101 val widget = JPanel().apply { |
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102 layout = BoxLayout(this, BoxLayout.Y_AXIS) |
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103 background = queue.parent.background |
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104 border = outerBorder |
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105 } |
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106 val (plain, html) = when(contents) { |
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107 is PasteboardItem.Plain -> Pair(contents.plain, null) |
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108 is PasteboardItem.HTML -> Pair(null, contents.html) |
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109 is PasteboardItem.RTF -> Pair(contents.plain, contents.html) |
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110 } |
21 | 111 var searchable: JTextComponent? = null |
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112 if (html == null) { |
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113 widget.run { |
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114 add(stdLabel("Plain text")) |
21 | 115 searchable = ClipText().apply { |
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116 contentType = "text/plain" |
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117 text = plain |
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118 font = Font(Font.MONOSPACED, Font.PLAIN, MONO_SIZE) |
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119 border = stdBorder |
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120 autoSize(stdWidth) |
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121 setEditable(false) |
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122 alignmentX = JTextPane.LEFT_ALIGNMENT |
21 | 123 } |
124 add(searchable) | |
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125 } |
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126 } else { |
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127 widget.run { |
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128 add(stdLabel("Styled text")) |
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129 val (dhtml, style) = preproc(html) |
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130 val hek = MyEditorKit().apply { |
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131 style.addStyleSheet(defaultStyleSheet) |
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132 styleSheet = style |
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133 } |
21 | 134 searchable = ClipText().apply { |
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135 editorKit = hek |
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136 text = dhtml |
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137 border = stdBorder |
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138 autoSize(stdWidth) |
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139 setEditable(false) |
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140 alignmentX = JTextPane.LEFT_ALIGNMENT |
21 | 141 } |
142 add(searchable) | |
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143 } |
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144 } |
21 | 145 queue.add(QueueItem(widget, searchable!!, contents)) |
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146 oldContents = contents |
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147 } |
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148 } |
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149 if (Thread.interrupted()) { |
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150 return |
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151 } |
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152 try { |
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153 Thread.sleep(interval - System.currentTimeMillis() % interval) |
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154 } catch (e: InterruptedException) { |
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155 return |
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156 } |
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157 } |
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158 } |
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159 |
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160 private fun stdLabel(text: String) = JLabel(text).apply { |
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161 horizontalAlignment = JLabel.LEFT |
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162 alignmentX = JLabel.LEFT_ALIGNMENT |
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163 } |
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164 |
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165 private fun preproc(html: String): Pair<String, StyleSheet> { |
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166 val sty = StyleSheet().apply { |
15 | 167 addRule("body { font-family: serif; font-size: %d; }".format(PROP_SIZE)) |
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168 addRule("code, kbd, pre, samp, tt { font-family: monospace; font-size: %d; }".format(MONO_SIZE)) |
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169 } |
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170 val scrubbed = Jsoup.parse(html).run { |
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171 select("style").forEach { |
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172 it.dataNodes().forEach { sty.addRule(it.wholeData) } |
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173 } |
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174 select(":root>head>meta").remove() |
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175 outputSettings() |
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176 .charset(CHARSET_NAME) |
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177 .syntax(Document.OutputSettings.Syntax.xml) |
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178 outerHtml() |
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179 } |
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180 return Pair(scrubbed, sty) |
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181 } |
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182 } |
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183 |
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184 fun main(args: Array<String>) { |
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185 LOGGER.log(Level.INFO, "beginning execution") |
21 | 186 var frame: JFrame? = null |
187 var con: JPanel? = null | |
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188 inSynSwingThread { |
21 | 189 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); |
190 frame = JFrame(MYNAME) | |
191 con = JPanel().apply { | |
192 layout = BoxLayout(this, BoxLayout.Y_AXIS) | |
193 border = EmptyBorder(PANEL_BORDER, PANEL_BORDER, PANEL_BORDER, PANEL_BORDER) | |
194 background = frame!!.background | |
195 } | |
196 frame!!.apply { | |
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197 contentPane.add( |
21 | 198 JScrollPane(con!!).apply { |
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199 verticalScrollBarPolicy = ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS |
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200 horizontalScrollBarPolicy = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER |
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201 preferredSize = Dimension(CPWIDTH, CPHEIGHT) |
21 | 202 background = frame!!.background |
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203 }, BorderLayout.CENTER) |
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204 pack() |
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205 setVisible(true) |
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206 } |
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207 } |
21 | 208 val queue = PasteboardQueue(con!!, 10) |
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209 val updater = UpdateIt(queue, 1000).apply { start() } |
21 | 210 inSwingThread { frame!!.addWindowListener(KillIt(updater)) } |
7 | 211 } |
212 | |
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213 fun inSwingThread(block: () -> Unit) { |
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214 SwingUtilities.invokeLater(Runnable(block)) |
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215 } |
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216 |
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217 fun inSynSwingThread(block: () -> Unit) { |
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218 val ready = Semaphore(0) |
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219 inSwingThread { |
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220 block() |
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221 ready.release() |
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222 } |
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223 ready.acquire() |
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224 } |
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225 |
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226 fun JTextComponent.autoSize(width: Int): Unit { |
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227 val SLOP = 10 |
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228 val dim = Dimension(width, width) |
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229 preferredSize = dim |
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230 size = dim |
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231 val r = modelToView(document.length) |
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232 preferredSize = Dimension(width, r.y + r.height + SLOP) |
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233 } |