Mercurial > octave-nkf
annotate gui/src/FileEditorMdiSubWindow.cpp @ 13503:5ab40ef3d241
Merged diff from Torsten.
| author | Jacob Dawid <jacob.dawid@googlemail.com> |
|---|---|
| date | Sun, 17 Jul 2011 18:31:24 +0200 |
| parents | 86d6c3b90ad7 |
| children | 13e3d60aff2d |
| rev | line source |
|---|---|
| 13501 | 1 /* Quint - A graphical user interface for Octave |
| 2 * Copyright (C) 2011 Jacob Dawid | |
| 3 * jacob.dawid@googlemail.com | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #include "FileEditorMdiSubWindow.h" | |
| 20 #include <QVBoxLayout> | |
| 21 #include <QApplication> | |
| 22 #include <QFile> | |
| 23 #include <QFileDialog> | |
| 24 #include <QMessageBox> | |
| 25 #include <QAction> | |
| 26 #include <QStyle> | |
| 27 #include <QTextStream> | |
| 28 | |
| 29 FileEditorMdiSubWindow::FileEditorMdiSubWindow(QWidget *parent) | |
| 30 : QMdiSubWindow(parent) { | |
| 31 construct(); | |
| 32 } | |
| 33 | |
| 34 FileEditorMdiSubWindow::~FileEditorMdiSubWindow() { | |
| 35 while(checkFileModified("Close File")) { | |
| 36 } // don't close if something went wrong while saving the file | |
| 37 } | |
| 38 | |
| 39 void FileEditorMdiSubWindow::loadFile(QString fileName) { | |
| 40 QFile file(fileName); | |
| 41 if (!file.open(QFile::ReadOnly)) { | |
| 42 QMessageBox::warning(this, tr("File Editor"), | |
| 43 tr("Cannot read file %1:\n%2.") | |
| 44 .arg(fileName) | |
| 45 .arg(file.errorString())); | |
| 46 return; | |
| 47 } | |
| 48 | |
| 49 QTextStream in(&file); | |
| 50 QApplication::setOverrideCursor(Qt::WaitCursor); | |
| 51 m_editor->setText(in.readAll()); | |
| 52 QApplication::restoreOverrideCursor(); | |
| 53 | |
| 54 m_fileName = fileName; | |
| 55 setWindowTitle(fileName); | |
| 56 m_statusBar->showMessage(tr("File loaded."), 2000); | |
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57 m_editor->setModified(false); |
| 13501 | 58 } |
| 59 | |
| 60 void FileEditorMdiSubWindow::newFile() { | |
| 61 if(checkFileModified("Open New File")) { | |
| 62 return; // something went wrong while saving the old file | |
| 63 } | |
| 64 m_fileName = "<unnamed>"; | |
| 65 setWindowTitle(m_fileName); | |
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66 m_editor->setText(""); |
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67 m_editor->setModified(false); |
| 13501 | 68 } |
| 69 | |
| 70 int FileEditorMdiSubWindow::checkFileModified(QString msg) { | |
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71 if(m_editor->isModified()) { |
| 13501 | 72 int decision |
| 73 = QMessageBox::question(this, | |
| 74 msg, | |
| 75 "Do you want to save the current file?", | |
| 76 QMessageBox::Yes, QMessageBox::No); | |
| 77 | |
| 78 if(decision == QMessageBox::Yes) { | |
| 79 saveFile(); | |
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80 if(m_editor->isModified()) { |
| 13501 | 81 // If the user attempted to save the file, but it's still |
| 82 // modified, then probably something went wrong, so return error | |
| 83 return(1); | |
| 84 } | |
| 85 } | |
| 86 } | |
| 87 return(0); | |
| 88 } | |
| 89 | |
| 90 void FileEditorMdiSubWindow::saveFile() { | |
| 91 if(m_fileName.isEmpty()) { | |
| 92 m_fileName = QFileDialog::getSaveFileName(this, "Save File", m_fileName); | |
| 93 if(m_fileName.isEmpty()) | |
| 94 return; | |
| 95 } | |
| 96 | |
| 97 QFile file(m_fileName); | |
| 98 if (!file.open(QFile::WriteOnly)) { | |
| 99 QMessageBox::warning(this, tr("File Editor"), | |
| 100 tr("Cannot write file %1:\n%2.") | |
| 101 .arg(m_fileName) | |
| 102 .arg(file.errorString())); | |
| 103 return; | |
| 104 } | |
| 105 | |
| 106 QTextStream out(&file); | |
| 107 QApplication::setOverrideCursor(Qt::WaitCursor); | |
| 108 out << m_editor->text(); | |
| 109 QApplication::restoreOverrideCursor(); | |
| 110 m_statusBar->showMessage(tr("File saved"), 2000); | |
| 111 } | |
| 112 | |
| 113 void FileEditorMdiSubWindow::saveFileAs() {/* | |
| 114 QString saveFileName = QFileDialog::getSaveFileName(this, "Save File", m_fileName); | |
| 115 if(saveFileName.isEmpty()) | |
| 116 return; | |
| 117 | |
| 118 QFile file(saveFileName); | |
| 119 file.open(QFile::WriteOnly); | |
| 120 | |
| 121 if(file.write(m_simpleEditor->toPlainText().toLocal8Bit()) == -1) { | |
| 122 QMessageBox::warning(this, | |
| 123 "Error Saving File", | |
| 124 QString("The file could not be saved: %1.").arg(file.errorString())); | |
| 125 } else { | |
| 126 m_simpleEditor->document()->setModified(false); | |
| 127 m_fileName = saveFileName; | |
| 128 setWindowTitle(m_fileName); | |
| 129 } | |
| 130 | |
| 131 file.close();*/ | |
| 132 } | |
| 133 | |
| 134 void FileEditorMdiSubWindow::showToolTipNew() { | |
| 135 m_statusBar->showMessage("Create a new file.", 2000); | |
| 136 } | |
| 137 | |
| 138 void FileEditorMdiSubWindow::showToolTipSave() { | |
| 139 m_statusBar->showMessage("Save the file.", 2000); | |
| 140 } | |
| 141 | |
| 142 void FileEditorMdiSubWindow::showToolTipSaveAs() { | |
| 143 m_statusBar->showMessage("Save the file as.", 2000); | |
| 144 } | |
| 145 void FileEditorMdiSubWindow::showToolTipUndo() { | |
| 146 m_statusBar->showMessage("Revert previous changes.", 2000); | |
| 147 } | |
| 148 | |
| 149 void FileEditorMdiSubWindow::showToolTipRedo() { | |
| 150 m_statusBar->showMessage("Append previous changes.", 2000); | |
| 151 } | |
| 152 | |
| 153 void FileEditorMdiSubWindow::registerModified(bool modified) { | |
| 154 m_modified = modified; | |
| 155 } | |
| 156 | |
| 157 void FileEditorMdiSubWindow::construct() { | |
| 158 QStyle *style = QApplication::style(); | |
| 159 setWidget(new QWidget()); | |
| 160 m_toolBar = new QToolBar(this); | |
| 161 m_statusBar = new QStatusBar(this); | |
| 162 m_editor = new QsciScintilla(this); | |
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163 |
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164 // Not available in the Debian repos yet! |
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165 /* |
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166 m_lexer = new QsciLexerOctave(m_editor); |
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167 m_lexer->setDefaultFont(QFont("Monospace",9)); |
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168 m_lexer->setAutoIndentStyle(QsciScintilla::AiMaintain || |
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169 QsciScintilla::AiOpening || |
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170 QsciScintilla::AiClosing); |
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171 m_editor->setLexer(m_lexer); |
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172 */ |
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173 |
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174 m_editor->setMarginType(1,QsciScintilla::TextMargin); |
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175 m_editor->setMarginType(2,QsciScintilla::SymbolMargin); |
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176 m_editor->setFolding(QsciScintilla::BoxedTreeFoldStyle,2); |
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177 m_editor->setMarginLineNumbers(1, true); |
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178 m_editor->setMarginWidth(1, "99999"); |
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179 |
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180 m_editor->setBraceMatching(QsciScintilla::SloppyBraceMatch); |
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181 m_editor->setAutoIndent(true); |
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182 m_editor->setIndentationWidth(2); |
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183 m_editor->setIndentationsUseTabs(false); |
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184 m_editor->setAutoCompletionThreshold(2); |
| 13501 | 185 |
| 186 QAction *newAction = new QAction(style->standardIcon(QStyle::SP_FileIcon), | |
| 187 "", m_toolBar); | |
| 188 QAction *saveAction = new QAction(style->standardIcon(QStyle::SP_DriveHDIcon), | |
| 189 "", m_toolBar); | |
| 190 QAction *saveActionAs = new QAction(style->standardIcon(QStyle::SP_DriveFDIcon), | |
| 191 "", m_toolBar); | |
| 192 QAction *undoAction = new QAction(style->standardIcon(QStyle::SP_ArrowLeft), | |
| 193 "", m_toolBar); | |
| 194 QAction *redoAction = new QAction(style->standardIcon(QStyle::SP_ArrowRight), | |
| 195 "", m_toolBar); | |
| 196 | |
| 197 m_toolBar->addAction(newAction); | |
| 198 m_toolBar->addAction(saveAction); | |
| 199 m_toolBar->addAction(saveActionAs); | |
| 200 m_toolBar->addAction(undoAction); | |
| 201 m_toolBar->addAction(redoAction); | |
| 202 | |
| 203 QVBoxLayout *layout = new QVBoxLayout(); | |
| 204 layout->addWidget(m_toolBar); | |
| 205 layout->addWidget(m_editor); | |
| 206 layout->addWidget(m_statusBar); | |
| 207 layout->setMargin(2); | |
| 208 widget()->setLayout(layout); | |
| 209 | |
| 210 connect(newAction, SIGNAL(triggered()), this, SLOT(newFile())); | |
| 211 connect(undoAction, SIGNAL(triggered()), m_editor, SLOT(undo())); | |
| 212 connect(redoAction, SIGNAL(triggered()), m_editor, SLOT(redo())); | |
| 213 connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile())); | |
| 214 connect(saveActionAs, SIGNAL(triggered()), this, SLOT(saveFileAs())); | |
| 215 | |
| 216 connect(newAction, SIGNAL(hovered()), this, SLOT(showToolTipNew())); | |
| 217 connect(undoAction, SIGNAL(hovered()), this, SLOT(showToolTipUndo())); | |
| 218 connect(redoAction, SIGNAL(hovered()), this, SLOT(showToolTipRedo())); | |
| 219 connect(saveAction, SIGNAL(hovered()), this, SLOT(showToolTipSave())); | |
| 220 connect(saveActionAs, SIGNAL(hovered()), this, SLOT(showToolTipSaveAs())); | |
| 221 | |
| 222 m_fileName = ""; | |
| 223 setWindowTitle(m_fileName); | |
| 224 show(); | |
| 225 } |