Mercurial > projects > dwt2
annotate org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet133.d @ 120:536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
===D2===
* added [Try]Immutable/Const/Shared templates to work with differenses in D1/D2 instead of version statements
used these templates to work with strict type storage rules of dmd-2.053
* com.ibm.icu now also compilable with D2, but not tested yet
* small fixes
Snippet288 - shared data is in TLS
===Phobos===
* fixed critical bugs in Phobos implemention
completely incorrect segfault prone fromStringz (Linux's port ruthless killer)
terrible, incorrect StringBuffer realization (StyledText killer)
* fixed small bugs as well
Snippet72 - misprint in the snippet
* implemented missed functionality for Phobos
ByteArrayOutputStream implemented (image loading available)
formatting correctly works for all DWT's cases
As a result, folowing snippets now works with Phobos (Snippet### - what is fixed):
Snippet24, 42, 111, 115, 130, 235, 276 - bad string formatting
Snippet48, 282 - crash on image loading
Snippet163, 189, 211, 213, 217, 218, 222 - crash on copy/cut in StyledText
Snippet244 - hang-up
===Tango===
* few changes for the latest Tango trunc-r5661
* few small performance improvments
===General===
* implMissing-s for only one version changed to implMissingInTango/InPhobos
* incorrect calls to Format in toString-s fixed
* fixed loading \uXXXX characters in ResourceBundle
* added good UTF-8 support for StyledText, TextLayout (Win32) and friends
UTF functions revised and tested. It is now in java.nonstandard.*Utf modules
StyledText and TextLayout (Win32) modules revised for UTF-8 support
* removed small diferences in most identical files in *.swt.* folders
*.swt.internal.image, *.swt.events and *.swt.custom are identical in Win32/Linux32
now 179 of 576 (~31%) files in *.swt.* folders are fully identical
* Win32: snippets now have right subsystem, pretty icons and native system style controls
* small fixes in snippets
Snippet44 - it's not Snippet44
Snippet212 - functions work with different images and offsets arrays
Win32: Snippet282 - crash on close if the button has an image
Snippet293 - setGrayed is commented
and others
Win32: As a result, folowing snippets now works
Snippet68 - color doesn't change
Snippet163, 189, 211, 213, 217, 218, 222 - UTF-8 issues (see above)
Snippet193 - no tabel headers
author | Denis Shelomovskij <verylonglogin.reg@gmail.com> |
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date | Sat, 09 Jul 2011 15:50:20 +0300 |
parents | 9f4c18c268b2 |
children | dc6fc593e8d7 |
rev | line source |
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28 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2004 IBM Corporation and others. | |
3 * All rights reserved. This program and the accompanying materials | |
4 * are made available under the terms of the Eclipse Public License v1.0 | |
5 * which accompanies this distribution, and is available at | |
6 * http://www.eclipse.org/legal/epl-v10.html | |
7 * | |
8 * Contributors: | |
9 * IBM Corporation - initial API and implementation | |
10 * D Port: | |
11 * Adam Chrapkowski <adam DOT chrapkowski AT gmail DOT com> | |
12 *******************************************************************************/ | |
13 module org.eclipse.swt.snippets.Snippet133; | |
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14 |
28 | 15 /* |
16 * Printing example snippet: print text to printer, with word wrap and pagination | |
17 * | |
18 * For a list of all SWT example snippets see | |
19 * http://www.eclipse.org/swt/snippets/ | |
20 */ | |
21 | |
22 // org.eclipse.swt | |
23 import org.eclipse.swt.SWT; | |
24 // org.eclipse.swt.graphics | |
25 import org.eclipse.swt.graphics.Color, | |
26 org.eclipse.swt.graphics.Font, | |
27 org.eclipse.swt.graphics.FontData, | |
28 org.eclipse.swt.graphics.GC, | |
29 org.eclipse.swt.graphics.Rectangle, | |
30 org.eclipse.swt.graphics.RGB; | |
31 // org.eclipse.swt.widgets | |
32 import org.eclipse.swt.widgets.Display, | |
33 org.eclipse.swt.widgets.ColorDialog, | |
34 org.eclipse.swt.widgets.FileDialog, | |
35 org.eclipse.swt.widgets.FontDialog, | |
36 org.eclipse.swt.widgets.Menu, | |
37 org.eclipse.swt.widgets.MenuItem, | |
38 org.eclipse.swt.widgets.MessageBox, | |
39 org.eclipse.swt.widgets.Shell, | |
40 org.eclipse.swt.widgets.Text; | |
41 // org.eclipse.swt.events | |
42 import org.eclipse.swt.events.SelectionAdapter, | |
43 org.eclipse.swt.events.SelectionEvent; | |
44 // org.eclipse.swt.layout | |
45 import org.eclipse.swt.layout.FillLayout; | |
46 // org.eclipse.swt.printing | |
47 import org.eclipse.swt.printing.PrintDialog, | |
48 org.eclipse.swt.printing.Printer, | |
49 org.eclipse.swt.printing.PrinterData; | |
50 // java | |
51 import java.lang.all; | |
52 | |
53 // tango | |
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54 //import tango.core.Thread; |
112 | 55 version(Tango){ |
56 import tango.io.device.File; | |
57 import tango.text.Unicode; | |
58 } else { // Phobos | |
59 import std.file; | |
60 import std.ctype; | |
61 alias isprint isPrintable; | |
62 } | |
28 | 63 |
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64 void main(){ |
28 | 65 (new Snippet133).open(); |
66 } | |
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67 |
28 | 68 class Snippet133{ |
69 Display display; | |
70 Shell shell; | |
71 Text text; | |
72 Font font; | |
73 Color foregroundColor, backgroundColor; | |
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74 |
28 | 75 Printer printer; |
76 GC gc; | |
77 FontData[] printerFontData; | |
78 RGB printerForeground, printerBackground; | |
79 | |
80 int lineHeight = 0; | |
81 int tabWidth = 0; | |
82 int leftMargin, rightMargin, topMargin, bottomMargin; | |
83 int x, y; | |
84 int index, end; | |
85 String textToPrint; | |
86 String tabs; | |
87 StringBuffer wordBuffer; | |
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88 |
28 | 89 public void |
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90 open(){ |
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91 display = new Display(); |
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92 shell = new Shell(display); |
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93 shell.setLayout(new FillLayout()); |
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94 shell.setText("Print Text"); |
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95 text = new Text(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL); |
28 | 96 |
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97 Menu menuBar = new Menu(shell, SWT.BAR); |
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98 shell.setMenuBar(menuBar); |
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99 MenuItem item = new MenuItem(menuBar, SWT.CASCADE); |
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100 item.setText("&File"); |
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101 Menu fileMenu = new Menu(shell, SWT.DROP_DOWN); |
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102 item.setMenu(fileMenu); |
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103 item = new MenuItem(fileMenu, SWT.PUSH); |
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104 item.setText("&Open..."); |
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105 item.setAccelerator(SWT.CTRL + 'O'); |
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106 item.addSelectionListener(new class SelectionAdapter{ |
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107 public void widgetSelected(SelectionEvent event) { |
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108 menuOpen(); |
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109 } |
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110 }); |
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111 item = new MenuItem(fileMenu, SWT.PUSH); |
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112 item.setText("Font..."); |
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113 item.addSelectionListener(new class SelectionAdapter{ |
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114 public void widgetSelected(SelectionEvent event){ |
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115 menuFont(); |
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116 } |
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117 }); |
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118 item = new MenuItem(fileMenu, SWT.PUSH); |
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119 item.setText("Foreground Color..."); |
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120 item.addSelectionListener(new class SelectionAdapter{ |
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121 public void widgetSelected(SelectionEvent event){ |
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122 menuForegroundColor(); |
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123 } |
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124 }); |
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125 item = new MenuItem(fileMenu, SWT.PUSH); |
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126 item.setText("Background Color..."); |
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127 item.addSelectionListener(new class SelectionAdapter{ |
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128 public void widgetSelected(SelectionEvent event) { |
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129 menuBackgroundColor(); |
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130 } |
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131 }); |
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132 item = new MenuItem(fileMenu, SWT.PUSH); |
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133 item.setText("&Print..."); |
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134 item.setAccelerator(SWT.CTRL + 'P'); |
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135 item.addSelectionListener(new class SelectionAdapter{ |
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136 public void widgetSelected(SelectionEvent event) { |
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137 menuPrint(); |
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138 } |
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139 }); |
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140 new MenuItem(fileMenu, SWT.SEPARATOR); |
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141 item = new MenuItem(fileMenu, SWT.PUSH); |
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142 item.setText("E&xit"); |
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143 item.addSelectionListener(new class SelectionAdapter{ |
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144 public void widgetSelected(SelectionEvent event){ |
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145 System.exit(0); |
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146 } |
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147 }); |
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148 |
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149 shell.open(); |
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150 while (!shell.isDisposed()) { |
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151 if (!display.readAndDispatch()) display.sleep(); |
28 | 152 } |
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153 if (font !is null) font.dispose(); |
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154 if (foregroundColor !is null) foregroundColor.dispose(); |
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155 if (backgroundColor !is null) backgroundColor.dispose(); |
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156 display.dispose(); |
28 | 157 } |
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158 |
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159 private void menuOpen(){ |
28 | 160 String textString; |
161 FileDialog dialog = new FileDialog(shell, SWT.OPEN); | |
162 dialog.setFilterExtensions(["*.java", "*.*"]); | |
163 String name = dialog.open(); | |
164 if(name is null) return; | |
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165 |
28 | 166 try{ |
167 try{ | |
112 | 168 version(Tango){ |
169 textString = cast(char[])File.get(name); | |
170 } else { // Phobos | |
171 textString = cast(String)std.file.read(name); | |
172 } | |
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173 } |
28 | 174 catch (IOException e){ |
175 MessageBox box = new MessageBox(shell, SWT.ICON_ERROR); | |
176 box.setMessage("Error reading file:\n" ~ name); | |
177 box.open(); | |
178 return; | |
179 } | |
180 } | |
181 catch(Exception e){ | |
182 MessageBox box = new MessageBox(shell, SWT.ICON_ERROR); | |
183 box.setMessage("File not found:\n" ~ name); | |
184 box.open(); | |
185 return; | |
186 } | |
187 text.setText(textString); | |
188 } | |
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189 |
28 | 190 private void |
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191 menuFont(){ |
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192 FontDialog fontDialog = new FontDialog(shell); |
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193 fontDialog.setFontList(text.getFont().getFontData()); |
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194 FontData fontData = fontDialog.open(); |
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195 if(fontData !is null){ |
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196 if(font !is null) font.dispose(); |
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197 font = new Font(display, fontData); |
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198 text.setFont(font); |
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199 } |
28 | 200 } |
201 | |
202 private void | |
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203 menuForegroundColor(){ |
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204 ColorDialog colorDialog = new ColorDialog(shell); |
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205 colorDialog.setRGB(text.getForeground().getRGB()); |
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206 RGB rgb = colorDialog.open(); |
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207 if(rgb !is null){ |
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208 if(foregroundColor !is null) foregroundColor.dispose(); |
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209 foregroundColor = new Color(display, rgb); |
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210 text.setForeground(foregroundColor); |
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211 } |
28 | 212 } |
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213 |
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214 private void |
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215 menuBackgroundColor(){ |
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216 ColorDialog colorDialog = new ColorDialog(shell); |
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217 colorDialog.setRGB(text.getBackground().getRGB()); |
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218 RGB rgb = colorDialog.open(); |
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219 if(rgb !is null){ |
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220 if(backgroundColor !is null) backgroundColor.dispose(); |
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221 backgroundColor = new Color(display, rgb); |
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222 text.setBackground(backgroundColor); |
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223 } |
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224 } |
28 | 225 |
226 private void | |
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227 menuPrint(){ |
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228 PrintDialog dialog = new PrintDialog(shell, SWT.NONE); |
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229 PrinterData data = dialog.open(); |
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230 if(data is null) return; |
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231 if(data.printToFile){ |
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232 data.fileName = "print.out"; // you probably want to ask the user for a filename |
28 | 233 } |
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234 |
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235 /* Get the text to print from the Text widget (you could get it from anywhere, i.e. your java model) */ |
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236 textToPrint = text.getText(); |
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237 |
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238 /* Get the font & foreground & background data. */ |
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239 printerFontData = text.getFont().getFontData(); |
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240 printerForeground = text.getForeground().getRGB(); |
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241 printerBackground = text.getBackground().getRGB(); |
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242 |
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243 /* Do the printing in a background thread so that spooling does not freeze the UI. */ |
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244 printer = new Printer(data); |
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245 Thread printingThread = new class ("Printing") Thread{ |
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246 private void |
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247 run(){ |
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248 print(printer); |
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249 printer.dispose(); |
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250 } |
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251 public |
112 | 252 this(String o_name){ |
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253 //this.name = o_name; |
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254 super(&run); |
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255 } |
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256 }; |
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257 printingThread.start(); |
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258 } |
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259 |
28 | 260 private void |
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261 print(Printer printer){ |
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262 if(printer.startJob("Text")){ // the string is the job name - shows up in the printer's job list |
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263 Rectangle clientArea = printer.getClientArea(); |
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264 Rectangle trim = printer.computeTrim(0, 0, 0, 0); |
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265 Point dpi = printer.getDPI(); |
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266 leftMargin = dpi.x + trim.x; // one inch from left side of paper |
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267 rightMargin = clientArea.width - dpi.x + trim.x + trim.width; // one inch from right side of paper |
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268 topMargin = dpi.y + trim.y; // one inch from top edge of paper |
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269 bottomMargin = clientArea.height - dpi.y + trim.y + trim.height; // one inch from bottom edge of paper |
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270 |
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271 /* Create a buffer for computing tab width. */ |
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272 int tabSize = 4; // is tab width a user setting in your UI? |
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273 StringBuffer tabBuffer = new StringBuffer(tabSize); |
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274 for (int i = 0; i < tabSize; i++) tabBuffer.append(' '); |
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275 tabs = tabBuffer.toString(); |
28 | 276 |
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277 /* Create printer GC, and create and set the printer font & foreground color. */ |
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278 gc = new GC(printer); |
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279 Font printerFont = new Font(printer, printerFontData); |
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280 Color printerForegroundColor = new Color(printer, printerForeground); |
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281 Color printerBackgroundColor = new Color(printer, printerBackground); |
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282 |
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283 gc.setFont(printerFont); |
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284 gc.setForeground(printerForegroundColor); |
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285 gc.setBackground(printerBackgroundColor); |
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286 tabWidth = gc.stringExtent(tabs).x; |
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287 lineHeight = gc.getFontMetrics().getHeight(); |
28 | 288 |
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289 /* Print text to current gc using word wrap */ |
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290 printText(); |
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291 printer.endJob(); |
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292 |
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293 /* Cleanup graphics resources used in printing */ |
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294 printerFont.dispose(); |
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295 printerForegroundColor.dispose(); |
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296 printerBackgroundColor.dispose(); |
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297 gc.dispose(); |
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298 } |
28 | 299 } |
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300 |
28 | 301 private void |
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302 printText(){ |
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303 printer.startPage(); |
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304 wordBuffer = new StringBuffer(); |
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305 x = leftMargin; |
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306 y = topMargin; |
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307 index = 0; |
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308 end = textToPrint.length; |
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309 while(index < end){ |
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310 char c = textToPrint.charAt(index); |
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311 index++; |
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312 if(c != 0){ |
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313 if(c == 0x0a || c == 0x0d){ |
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314 if(c == 0x0d && index < end && textToPrint.charAt(index) == 0x0a){ |
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315 index++; // if this is cr-lf, skip the lf |
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316 } |
28 | 317 printWordBuffer(); |
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318 newline(); |
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319 } |
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320 else{ |
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321 if(c != '\t'){ |
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322 wordBuffer.append(c); |
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323 } |
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324 if(isPrintable(c)){ |
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325 printWordBuffer(); |
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326 if (c == '\t'){ |
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327 x += tabWidth; |
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328 } |
28 | 329 } |
330 } | |
331 } | |
332 } | |
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333 if (y + lineHeight <= bottomMargin) { |
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334 printer.endPage(); |
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335 } |
28 | 336 } |
337 | |
338 private void | |
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339 printWordBuffer(){ |
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340 if(wordBuffer.length > 0){ |
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341 String word = wordBuffer.toString(); |
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342 int wordWidth = gc.stringExtent(word).x; |
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343 if(x + wordWidth > rightMargin){ |
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344 /* word doesn't fit on current line, so wrap */ |
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345 newline(); |
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346 } |
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347 gc.drawString(word, x, y, false); |
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348 x += wordWidth; |
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349 wordBuffer = new StringBuffer(); |
28 | 350 } |
351 } | |
352 | |
353 private void | |
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354 newline(){ |
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355 x = leftMargin; |
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356 y += lineHeight; |
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357 if(y + lineHeight > bottomMargin){ |
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358 printer.endPage(); |
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SWT Snippets build on windows
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parents:
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359 if(index + 1 < end){ |
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SWT Snippets build on windows
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parents:
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360 y = topMargin; |
93b0e7382fd5
SWT Snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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361 printer.startPage(); |
93b0e7382fd5
SWT Snippets build on windows
Frank Benoit <benoit@tionex.de>
parents:
29
diff
changeset
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362 } |
28 | 363 } |
364 } | |
365 } | |
366 |