Mercurial > projects > qtd
annotate examples/mainwindows/sdi/mainwindow.d @ 323:7a3c43424dca signals
make all examples compile with new signals/slots
| author | eldar_ins@eldar-laptop |
|---|---|
| date | Mon, 28 Dec 2009 16:28:55 +0500 |
| parents | 256ab6cb8e85 |
| children | 31520b2c0b3c |
| rev | line source |
|---|---|
| 269 | 1 /**************************************************************************** |
| 2 ** | |
| 3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). | |
| 4 ** Contact: Nokia Corporation (qt-info@nokia.com) | |
| 5 ** | |
| 6 ** This file is part of the examples of the Qt Toolkit. | |
| 7 ** | |
| 8 ** $QT_BEGIN_LICENSE:LGPL$ | |
| 9 ** Commercial Usage | |
| 10 ** Licensees holding valid Qt Commercial licenses may use this file in | |
| 11 ** accordance with the Qt Commercial License Agreement provided with the | |
| 12 ** Software or, alternatively, in accordance with the terms contained in | |
| 13 ** a written agreement between you and Nokia. | |
| 14 ** | |
| 15 ** GNU Lesser General Public License Usage | |
| 16 ** Alternatively, this file may be used under the terms of the GNU Lesser | |
| 17 ** General Public License version 2.1 as published by the Free Software | |
| 18 ** Foundation and appearing in the file LICENSE.LGPL included in the | |
| 19 ** packaging of this file. Please review the following information to | |
| 20 ** ensure the GNU Lesser General Public License version 2.1 requirements | |
| 21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
| 22 ** | |
| 23 ** In addition, as a special exception, Nokia gives you certain | |
| 24 ** additional rights. These rights are described in the Nokia Qt LGPL | |
| 25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this | |
| 26 ** package. | |
| 27 ** | |
| 28 ** GNU General Public License Usage | |
| 29 ** Alternatively, this file may be used under the terms of the GNU | |
| 30 ** General Public License version 3.0 as published by the Free Software | |
| 31 ** Foundation and appearing in the file LICENSE.GPL included in the | |
| 32 ** packaging of this file. Please review the following information to | |
| 33 ** ensure the GNU General Public License version 3.0 requirements will be | |
| 34 ** met: http://www.gnu.org/copyleft/gpl.html. | |
| 35 ** | |
| 36 ** If you are unsure which license is appropriate for your use, please | |
| 37 ** contact the sales department at http://www.qtsoftware.com/contact. | |
| 38 ** $QT_END_LICENSE$ | |
| 39 ** | |
| 40 ****************************************************************************/ | |
| 41 | |
| 42 /**************************************************************************** | |
| 43 ** | |
| 44 ** Translated from Qt/C++ to QtD/D by Jason Addison | |
| 45 ** Date: 2009 09 13 | |
| 46 ** Contact: jraddison@gmail.com | |
| 47 ** | |
| 48 ****************************************************************************/ | |
| 49 | |
| 50 | |
| 51 import qt.gui.QMainWindow; | |
| 52 import qt.gui.QAction; | |
| 53 import qt.gui.QMenu; | |
| 54 import qt.gui.QTextEdit; | |
| 55 import qt.gui.QFileDialog; | |
| 56 import qt.gui.QMessageBox; | |
| 57 import qt.core.QSettings; | |
| 58 import qt.core.QTextStream; | |
| 59 | |
| 60 version(Tango) | |
| 61 { | |
| 62 import tango.text.Util; | |
| 63 import Int = tango.text.convert.Integer; | |
| 64 } | |
| 65 else | |
| 66 { | |
| 67 import std.string; | |
| 68 import std.conv; | |
| 69 } | |
| 70 class MainWindow : public QMainWindow | |
| 71 { | |
| 72 // Q_OBJECT | |
| 73 | |
| 74 public: | |
| 75 this() | |
| 76 { | |
| 77 init(); | |
| 78 setCurrentFile(""); | |
| 79 } | |
| 80 | |
| 81 this(string fileName) | |
| 82 { | |
| 83 init(); | |
| 84 loadFile(fileName); | |
| 85 } | |
| 86 | |
| 87 protected: | |
| 88 | |
| 89 void closeEvent(QCloseEvent event) | |
| 90 { | |
| 91 if (maybeSave()) { | |
| 92 writeSettings(); | |
| 93 event.accept(); | |
| 94 } else { | |
| 95 event.ignore(); | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 private: // slots | |
| 100 | |
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101 void slot_newFile() |
| 269 | 102 { |
| 103 MainWindow other = new MainWindow; | |
| 104 other.move(x() + 40, y() + 40); | |
| 105 other.show(); | |
| 106 } | |
| 107 | |
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108 void slot_open() |
| 269 | 109 { |
| 110 scope fileName = QFileDialog.getOpenFileName(this); | |
| 111 if (fileName) { | |
| 112 MainWindow existing = findMainWindow(fileName); | |
| 113 if (existing) { | |
| 114 existing.show(); | |
| 115 existing.raise(); | |
| 116 existing.activateWindow(); | |
| 117 return; | |
| 118 } | |
| 119 if (isUntitled && textEdit.document().isEmpty() | |
| 120 && !isWindowModified()) { | |
| 121 loadFile(fileName); | |
| 122 } else { | |
| 123 MainWindow other = new MainWindow(fileName); | |
| 124 if (other.isUntitled) { | |
| 125 delete other; | |
| 126 return; | |
| 127 } | |
| 128 other.move(x() + 40, y() + 40); | |
| 129 other.show(); | |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 | |
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134 bool slot_save() |
| 269 | 135 { |
| 136 if (isUntitled) { | |
| 137 return saveAs(); | |
| 138 } else { | |
| 139 return saveFile(curFile); | |
| 140 } | |
| 141 } | |
| 142 | |
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143 bool slot_saveAs() |
| 269 | 144 { |
| 145 string fileName = QFileDialog.getSaveFileName(this, tr("Save As"), | |
| 146 curFile); | |
| 147 if (!fileName) | |
| 148 return false; | |
| 149 | |
| 150 return saveFile(fileName); | |
| 151 } | |
| 152 | |
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153 void slot_about() |
| 269 | 154 { |
| 155 QMessageBox.about(this, tr("About SDI"), | |
| 156 tr("The <b>SDI</b> example demonstrates how to write single " ~ | |
| 157 "document interface applications using Qt.")); | |
| 158 } | |
| 159 | |
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160 void slot_documentWasModified() |
| 269 | 161 { |
| 162 setWindowModified(true); | |
| 163 } | |
| 164 | |
| 165 private: | |
| 166 | |
| 167 void init() | |
| 168 { | |
| 169 setAttribute(Qt.WA_DeleteOnClose); | |
| 170 | |
| 171 isUntitled = true; | |
| 172 | |
| 173 textEdit = new QTextEdit; | |
| 174 setCentralWidget(textEdit); | |
| 175 | |
| 176 createActions(); | |
| 177 createMenus(); | |
| 178 createToolBars(); | |
| 179 createStatusBar(); | |
| 180 | |
| 181 readSettings(); | |
| 182 | |
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183 connect(textEdit.document(), "contentsChanged", this, "documentWasModified"); |
| 269 | 184 |
| 185 setUnifiedTitleAndToolBarOnMac(true); | |
| 186 } | |
| 187 | |
| 188 void createActions() | |
| 189 { | |
| 190 newAct = new QAction(new QIcon(":/images/new.png"), tr("&New"), this); | |
| 191 newAct.setShortcuts(QKeySequence.New); | |
| 192 newAct.setStatusTip(tr("Create a new file")); | |
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193 connect(newAct, "triggered", this, "newFile"); |
| 269 | 194 |
| 195 openAct = new QAction(new QIcon(":/images/open.png"), tr("&Open..."), this); | |
| 196 openAct.setShortcuts(QKeySequence.Open); | |
| 197 openAct.setStatusTip(tr("Open an existing file")); | |
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198 connect(openAct, "triggered", this, "open"); |
| 269 | 199 |
| 200 saveAct = new QAction(new QIcon(":/images/save.png"), tr("&Save"), this); | |
| 201 saveAct.setShortcuts(QKeySequence.Save); | |
| 202 saveAct.setStatusTip(tr("Save the document to disk")); | |
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203 connect(saveAct, "triggered", this, "save"); |
| 269 | 204 |
| 205 saveAsAct = new QAction(tr("Save &As..."), this); | |
| 206 saveAsAct.setShortcuts(QKeySequence.SaveAs); | |
| 207 saveAsAct.setStatusTip(tr("Save the document under a new name")); | |
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208 connect(saveAsAct, "triggered", this, "saveAs"); |
| 269 | 209 |
| 210 closeAct = new QAction(tr("&Close"), this); | |
| 211 closeAct.setShortcut(tr("Ctrl+W")); | |
| 212 closeAct.setStatusTip(tr("Close this window")); | |
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213 connect(closeAct, "triggered", this, "close"); |
| 269 | 214 |
| 215 exitAct = new QAction(tr("E&xit"), this); | |
| 216 exitAct.setShortcut(tr("Ctrl+Q")); | |
| 217 exitAct.setStatusTip(tr("Exit the application")); | |
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218 connect(exitAct, "triggered", qApp(), "closeAllWindows"); |
| 269 | 219 |
| 220 cutAct = new QAction(new QIcon(":/images/cut.png"), tr("Cu&t"), this); | |
| 221 cutAct.setShortcuts(QKeySequence.Cut); | |
| 222 cutAct.setStatusTip(tr("Cut the current selection's contents to the " ~ | |
| 223 "clipboard")); | |
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224 connect(cutAct, "triggered", textEdit, "cut"); |
| 269 | 225 |
| 226 copyAct = new QAction(new QIcon(":/images/copy.png"), tr("&Copy"), this); | |
| 227 copyAct.setShortcuts(QKeySequence.Copy); | |
| 228 copyAct.setStatusTip(tr("Copy the current selection's contents to the " ~ | |
| 229 "clipboard")); | |
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230 connect(copyAct, "triggered", textEdit, "copy"); |
| 269 | 231 |
| 232 pasteAct = new QAction(new QIcon(":/images/paste.png"), tr("&Paste"), this); | |
| 233 pasteAct.setShortcuts(QKeySequence.Paste); | |
| 234 pasteAct.setStatusTip(tr("Paste the clipboard's contents into the current " ~ | |
| 235 "selection")); | |
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236 connect(pasteAct, "triggered", textEdit, "paste"); |
| 269 | 237 |
| 238 aboutAct = new QAction(tr("&About"), this); | |
| 239 aboutAct.setStatusTip(tr("Show the application's About box")); | |
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240 connect(aboutAct, "triggered", this, "about"); |
| 269 | 241 |
| 242 aboutQtAct = new QAction(tr("About &Qt"), this); | |
| 243 aboutQtAct.setStatusTip(tr("Show the Qt library's About box")); | |
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244 connect(aboutQtAct, "triggered", qApp, "aboutQt"); |
| 269 | 245 |
| 246 cutAct.setEnabled(false); | |
| 247 copyAct.setEnabled(false); | |
| 248 | |
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249 connect(textEdit, "copyAvailable", cutAct, "setEnabled"); |
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250 connect(textEdit, "copyAvailable", copyAct, "setEnabled"); |
| 269 | 251 } |
| 252 | |
| 253 void createMenus() | |
| 254 { | |
| 255 fileMenu = menuBar.addMenu(tr("&File")); | |
| 256 fileMenu.addAction(newAct); | |
| 257 fileMenu.addAction(openAct); | |
| 258 fileMenu.addAction(saveAct); | |
| 259 fileMenu.addAction(saveAsAct); | |
| 260 fileMenu.addSeparator(); | |
| 261 fileMenu.addAction(closeAct); | |
| 262 fileMenu.addAction(exitAct); | |
| 263 | |
| 264 editMenu = menuBar.addMenu(tr("&Edit")); | |
| 265 editMenu.addAction(cutAct); | |
| 266 editMenu.addAction(copyAct); | |
| 267 editMenu.addAction(pasteAct); | |
| 268 | |
| 269 menuBar().addSeparator(); | |
| 270 | |
| 271 helpMenu = menuBar.addMenu(tr("&Help")); | |
| 272 helpMenu.addAction(aboutAct); | |
| 273 helpMenu.addAction(aboutQtAct); | |
| 274 } | |
| 275 | |
| 276 void createToolBars() | |
| 277 { | |
| 278 fileToolBar = addToolBar(tr("File")); | |
| 279 fileToolBar.addAction(newAct); | |
| 280 fileToolBar.addAction(openAct); | |
| 281 fileToolBar.addAction(saveAct); | |
| 282 | |
| 283 editToolBar = addToolBar(tr("Edit")); | |
| 284 editToolBar.addAction(cutAct); | |
| 285 editToolBar.addAction(copyAct); | |
| 286 editToolBar.addAction(pasteAct); | |
| 287 } | |
| 288 | |
| 289 void createStatusBar() | |
| 290 { | |
| 291 statusBar.showMessage(tr("Ready")); | |
| 292 } | |
| 293 | |
| 294 void readSettings() | |
| 295 { | |
| 296 scope QSettings settings = new QSettings("Trolltech", "SDI Example"); | |
| 297 scope QPoint pos = settings.value("pos", new QVariant(QPoint(200, 200))).toPoint(); | |
| 298 scope QSize size = settings.value("size", new QVariant(QSize(400, 400))).toSize(); | |
| 299 move(pos); | |
| 300 resize(size); | |
| 301 } | |
| 302 | |
| 303 void writeSettings() | |
| 304 { | |
| 305 QSettings settings = new QSettings("Trolltech", "SDI Example"); | |
| 306 settings.setValue("pos", new QVariant(pos())); | |
| 307 settings.setValue("size", new QVariant(size())); | |
| 308 } | |
| 309 | |
| 310 bool maybeSave() | |
| 311 { | |
| 312 if (textEdit.document().isModified()) { | |
| 313 QMessageBox.StandardButton ret; | |
| 314 ret = QMessageBox.warning(this, tr("SDI"), | |
| 315 tr("The document has been modified.\n" ~ | |
| 316 "Do you want to save your changes?"), | |
| 317 QMessageBox.Save | QMessageBox.Discard | |
| 318 | QMessageBox.Cancel); | |
| 319 if (ret == QMessageBox.Save) | |
| 320 return save(); | |
| 321 else if (ret == QMessageBox.Cancel) | |
| 322 return false; | |
| 323 } | |
| 324 return true; | |
| 325 } | |
| 326 | |
| 327 void loadFile(string fileName) | |
| 328 { | |
| 329 scope file = new QFile(fileName); | |
| 330 if (!file.open(QFile.ReadOnly | QFile.Text)) { | |
| 331 QMessageBox.warning(this, tr("SDI"), | |
| 332 tr("Cannot read file " ~ | |
| 333 fileName ~ ":\n" ~ | |
| 334 file.errorString ~ ".")); | |
| 335 return; | |
| 336 } | |
| 337 | |
| 338 scope inStream = new QTextStream(file); | |
| 339 QApplication.setOverrideCursor(new QCursor(Qt.WaitCursor)); | |
| 340 textEdit.setPlainText(inStream.readAll()); | |
| 341 QApplication.restoreOverrideCursor(); | |
| 342 | |
| 343 setCurrentFile(fileName); | |
| 344 statusBar.showMessage(tr("File loaded"), 2000); | |
| 345 } | |
| 346 | |
| 347 bool saveFile(string fileName) | |
| 348 { | |
| 349 scope file = new QFile(fileName); | |
| 350 if (!file.open(QFile.WriteOnly | QFile.Text)) { | |
| 351 QMessageBox.warning(this, tr("SDI"), | |
| 352 tr("Cannot write file " ~ | |
| 353 fileName ~ ":\n" ~ | |
| 354 file.errorString ~ ".")); | |
| 355 return false; | |
| 356 } | |
| 357 | |
| 358 scope outStream = new QTextStream(file); | |
| 359 QApplication.setOverrideCursor(new QCursor(Qt.WaitCursor)); | |
| 360 outStream.writeString(textEdit.toPlainText()); | |
| 361 QApplication.restoreOverrideCursor(); | |
| 362 | |
| 363 setCurrentFile(fileName); | |
| 364 statusBar.showMessage("Saved '" ~ fileName ~ "'", 2000); | |
| 365 return true; | |
| 366 } | |
| 367 | |
| 368 void setCurrentFile(string fileName) | |
| 369 { | |
| 370 static int sequenceNumber = 1; | |
| 371 | |
| 372 isUntitled = fileName == null; | |
| 373 if (isUntitled) { | |
| 374 version(Tango) | |
| 375 curFile = tr("document" ~ Int.toString(sequenceNumber++) ~ ".txt"); | |
| 376 else | |
| 377 curFile = tr("document" ~ to!(string)(sequenceNumber++) ~ ".txt"); | |
| 378 } else { | |
| 379 scope qfi = new QFileInfo(fileName); | |
| 380 curFile = qfi.canonicalFilePath; | |
| 381 } | |
| 382 | |
| 383 textEdit.document().setModified(false); | |
| 384 setWindowModified(false); | |
| 385 | |
| 386 setWindowTitle(strippedName(curFile) ~ "[*] - " ~ tr("SDI")); | |
| 387 } | |
| 388 | |
| 389 string strippedName(string fullFileName) | |
| 390 { | |
| 391 scope qfi = new QFileInfo(fullFileName); | |
| 392 return qfi.fileName(); | |
| 393 } | |
| 394 | |
| 395 MainWindow findMainWindow(string fileName) | |
| 396 { | |
| 397 scope qfi = new QFileInfo(fileName); | |
| 398 string canonicalFilePath = qfi.canonicalFilePath(); | |
| 399 | |
| 400 foreach (QWidget widget; QApplication.topLevelWidgets) { | |
| 401 MainWindow mainWin = cast(MainWindow)(widget); | |
| 402 if (mainWin && mainWin.curFile == canonicalFilePath) | |
| 403 return mainWin; | |
| 404 } | |
| 405 return null; | |
| 406 } | |
| 407 | |
| 408 QTextEdit textEdit; | |
| 409 string curFile; | |
| 410 bool isUntitled; | |
| 411 | |
| 412 QMenu fileMenu; | |
| 413 QMenu editMenu; | |
| 414 QMenu helpMenu; | |
| 415 QToolBar fileToolBar; | |
| 416 QToolBar editToolBar; | |
| 417 | |
| 418 QAction newAct; | |
| 419 QAction openAct; | |
| 420 QAction saveAct; | |
| 421 QAction saveAsAct; | |
| 422 QAction closeAct; | |
| 423 QAction exitAct; | |
| 424 QAction cutAct; | |
| 425 QAction copyAct; | |
| 426 QAction pasteAct; | |
| 427 QAction aboutAct; | |
| 428 QAction aboutQtAct; | |
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429 |
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430 mixin Q_OBJECT; |
| 269 | 431 }; |