Mercurial > cgi-bin > hgweb.cgi > ClipMan
annotate src/name/blackcap/clipman/Main.kt @ 11:5bbb436fbcf7
Fix the glitch of the JTextPane's sometimes being too tall.
author | David Barts <n5jrn@me.com> |
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date | Sun, 19 Jan 2020 19:39:52 -0800 |
parents | e7e067f5b649 |
children | 0fb6da371b80 |
rev | line source |
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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.logging.Level |
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17 import java.util.logging.Logger |
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18 import java.util.concurrent.Semaphore |
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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 kotlin.concurrent.thread |
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23 import org.jsoup.Jsoup |
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24 import org.jsoup.nodes.* |
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25 |
7 | 26 /* name we call ourselves */ |
27 val MYNAME = "ClipMan" | |
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28 |
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29 /* default sizes */ |
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30 val CPWIDTH = 640 |
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31 val CPHEIGHT = 480 |
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32 |
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33 /* border widths */ |
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34 val PANEL_BORDER = 9 |
10 | 35 val OUTER_BORDER_TOP = 3 |
36 val OUTER_BORDER = 9 | |
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37 val INNER_BORDER = 1 |
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38 val MARGIN_BORDER = 3 |
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39 |
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40 /* kills the updating thread (and does a system exit) when needed */ |
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41 class KillIt(val thr: Thread) : WindowListener { |
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42 // events we don't care about |
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43 override fun windowActivated(e: WindowEvent) {} |
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44 override fun windowClosed(e: WindowEvent) {} |
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45 override fun windowDeactivated(e: WindowEvent) {} |
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46 override fun windowDeiconified(e: WindowEvent) {} |
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47 override fun windowIconified(e: WindowEvent) {} |
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48 override fun windowOpened(e: WindowEvent) {} |
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49 |
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50 // and the one we do |
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51 override fun windowClosing(e: WindowEvent) { |
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52 thr.run { interrupt(); join() } |
6 | 53 LOGGER.log(Level.INFO, "execution complete") |
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54 System.exit(0) |
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55 } |
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56 } |
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57 |
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58 class ClipText: JTextPane() { |
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59 override fun getMaximumSize(): Dimension { |
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60 return Dimension(Int.MAX_VALUE, preferredSize.height) |
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61 } |
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62 } |
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63 |
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64 /* the updating thread */ |
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65 class UpdateIt(val queue: PasteboardQueue, val interval: Int): Thread() { |
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66 @Volatile var enabled = true |
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67 private val outerBorder = |
10 | 68 MatteBorder(OUTER_BORDER_TOP, OUTER_BORDER, OUTER_BORDER, OUTER_BORDER, |
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69 queue.parent.background) |
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70 private val stdBorder = |
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71 CompoundBorder(LineBorder(Color.GRAY, INNER_BORDER), |
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72 EmptyBorder(MARGIN_BORDER, MARGIN_BORDER, MARGIN_BORDER, MARGIN_BORDER)) |
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73 |
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74 override fun run() { |
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75 var oldContents = "" |
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76 var newContents = "" |
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77 while (true) { |
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78 if (enabled) { |
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79 var contents = PasteboardItem.read() |
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80 if (contents != null) { |
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81 newContents = when (contents) { |
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82 is PasteboardItem.Plain -> contents.plain |
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83 is PasteboardItem.HTML -> contents.plain |
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84 } |
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85 if (oldContents != newContents) { |
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86 var stdWidth: Int? = null |
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87 inSynSwingThread { |
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88 stdWidth = queue.parent.size.width - 2 * (PANEL_BORDER+OUTER_BORDER+INNER_BORDER+MARGIN_BORDER) |
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89 } |
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90 var widget = JPanel().apply { |
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91 layout = BoxLayout(this, BoxLayout.Y_AXIS) |
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92 background = queue.parent.background |
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93 border = outerBorder |
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94 } |
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95 when (contents) { |
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96 is PasteboardItem.Plain -> widget.run { |
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97 add(stdLabel("Plain text")) |
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98 add(ClipText().apply { |
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99 contentType = "text/plain" |
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100 text = contents.plain |
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101 font = Font(Font.MONOSPACED, Font.PLAIN, 14) |
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102 border = stdBorder |
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103 autoSize(stdWidth!!) |
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104 setEditable(false) |
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105 alignmentX = JTextPane.LEFT_ALIGNMENT |
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106 }) |
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107 } |
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108 is PasteboardItem.HTML -> widget.run { |
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109 add(stdLabel("Styled text")) |
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110 add(ClipText().apply { |
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111 contentType = "text/html" |
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112 toolTipText = "Styled text" |
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113 text = scrub(contents.html) |
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114 border = stdBorder |
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115 autoSize(stdWidth!!) |
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116 setEditable(false) |
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117 alignmentX = JTextPane.LEFT_ALIGNMENT |
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118 }) |
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119 } |
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120 } |
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121 queue.add(QueueItem(widget, contents)) |
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122 oldContents = newContents |
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123 } |
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124 } |
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125 } |
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126 if (Thread.interrupted()) { |
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127 return |
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128 } |
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129 try { |
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130 Thread.sleep(interval - System.currentTimeMillis() % interval) |
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131 } catch (e: InterruptedException) { |
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132 return |
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133 } |
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134 } |
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135 } |
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136 |
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137 private fun stdLabel(text: String) = JLabel(text).apply { |
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138 horizontalAlignment = JLabel.LEFT |
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139 alignmentX = JLabel.LEFT_ALIGNMENT |
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140 } |
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141 |
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142 private fun scrub(html: String): String { |
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143 return Jsoup.parse(html).run { |
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144 select(":root>head>meta").remove() |
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145 outputSettings() |
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146 .charset(CHARSET_NAME) |
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147 .syntax(Document.OutputSettings.Syntax.xml) |
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148 outerHtml() |
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149 } |
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150 } |
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151 } |
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152 |
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153 fun main(args: Array<String>) { |
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154 LOGGER.log(Level.INFO, "beginning execution") |
7 | 155 setLookFeel() |
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156 val frame = JFrame(MYNAME) |
4 | 157 val con = JPanel().apply { |
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158 layout = BoxLayout(this, BoxLayout.Y_AXIS) |
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159 border = EmptyBorder(PANEL_BORDER, PANEL_BORDER, PANEL_BORDER, PANEL_BORDER) |
6 | 160 background = frame.background |
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161 } |
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162 inSynSwingThread { |
6 | 163 frame.apply { |
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164 contentPane.add( |
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165 JScrollPane(con).apply { |
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166 verticalScrollBarPolicy = ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS |
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167 horizontalScrollBarPolicy = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER |
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168 preferredSize = Dimension(CPWIDTH, CPHEIGHT) |
6 | 169 background = frame.background |
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170 }, BorderLayout.CENTER) |
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171 pack() |
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172 setVisible(true) |
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173 } |
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174 } |
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175 val queue = PasteboardQueue(con, 10) |
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176 val updater = UpdateIt(queue, 1000).apply { start() } |
6 | 177 inSwingThread { frame.addWindowListener(KillIt(updater)) } |
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178 } |
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179 |
7 | 180 fun setLookFeel() { |
181 inSwingThread { | |
182 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); | |
183 } | |
184 } | |
185 | |
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186 fun inSwingThread(block: () -> Unit) { |
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187 SwingUtilities.invokeLater(Runnable(block)) |
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188 } |
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189 |
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190 fun inSynSwingThread(block: () -> Unit) { |
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191 val ready = Semaphore(0) |
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192 inSwingThread { |
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193 block() |
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194 ready.release() |
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195 } |
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196 ready.acquire() |
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197 } |
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198 |
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199 fun JTextComponent.autoSize(width: Int): Unit { |
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200 val SLOP = 10 |
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201 val dim = Dimension(width, width) |
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202 preferredSize = dim |
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203 size = dim |
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204 val r = modelToView(document.length) |
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205 preferredSize = Dimension(width, r.y + r.height + SLOP) |
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206 } |