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Diffstat (limited to 'src/ui/TextEdit.cpp')
| -rw-r--r-- | src/ui/TextEdit.cpp | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/src/ui/TextEdit.cpp b/src/ui/TextEdit.cpp deleted file mode 100644 index 5a9206ca..00000000 --- a/src/ui/TextEdit.cpp +++ /dev/null @@ -1,556 +0,0 @@ -/** - * This file is part of GPGFrontend. - * - * GPGFrontend is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * Foobar is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Foobar. If not, see <https://www.gnu.org/licenses/>. - * - * The initial version of the source code is inherited from gpg4usb-team. - * Their source code version also complies with GNU General Public License. - * - * The source code version of this software was modified and released - * by Saturneric<[email protected]> starting on May 12, 2021. - * - */ - -#include "ui/TextEdit.h" - -TextEdit::TextEdit() { - countPage = 0; - tabWidget = new QTabWidget(this); - tabWidget->setMovable(true); - tabWidget->setTabsClosable(true); - tabWidget->setDocumentMode(true); - - auto *layout = new QVBoxLayout; - layout->addWidget(tabWidget); - layout->setContentsMargins(0, 0, 0, 0); - layout->setSpacing(0); - setLayout(layout); - - // Front in same width - this->setFont({"Courier"}); - - connect(tabWidget, SIGNAL(tabCloseRequested(int)), this, SLOT(removeTab(int))); - slotNewTab(); - setAcceptDrops(false); -} - -void TextEdit::slotNewTab() { - QString header = tr("untitled") + - QString::number(++countPage) + ".txt"; - - auto *page = new EditorPage(); - tabWidget->addTab(page, header); - tabWidget->setCurrentIndex(tabWidget->count() - 1); - page->getTextPage()->setFocus(); - connect(page->getTextPage()->document(), SIGNAL(modificationChanged(bool)), this, SLOT(slotShowModified())); -} - -void TextEdit::slotNewHelpTab(const QString &title, const QString &path) const { - - auto *page = new HelpPage(path); - tabWidget->addTab(page, title); - tabWidget->setCurrentIndex(tabWidget->count() - 1); - -} - -void TextEdit::slotOpen() { - QStringList fileNames = QFileDialog::getOpenFileNames(this, tr("Open file"), - QDir::currentPath()); - foreach (QString fileName, fileNames) { - if (!fileName.isEmpty()) { - QFile file(fileName); - - if (file.open(QIODevice::ReadOnly | QIODevice::Text)) { - auto *page = new EditorPage(fileName); - - QTextStream in(&file); - QApplication::setOverrideCursor(Qt::WaitCursor); - page->getTextPage()->setPlainText(in.readAll()); - page->setFilePath(fileName); - QTextDocument *document = page->getTextPage()->document(); - document->setModified(false); - - tabWidget->addTab(page, strippedName(fileName)); - tabWidget->setCurrentIndex(tabWidget->count() - 1); - QApplication::restoreOverrideCursor(); - page->getTextPage()->setFocus(); - connect(page->getTextPage()->document(), SIGNAL(modificationChanged(bool)), this, - SLOT(slotShowModified())); - //enableAction(true) - file.close(); - } else { - QMessageBox::warning(this, tr("Application"), - tr("Cannot read file %1:\n%2.") - .arg(fileName) - .arg(file.errorString())); - } - } - } -} - -void TextEdit::slotSave() { - if (tabWidget->count() == 0 || slotCurPage() == 0) { - return; - } - - QString fileName = slotCurPage()->getFilePath(); - - if (fileName.isEmpty()) { - //QString docname = tabWidget->tabText(tabWidget->currentIndex()); - //docname.remove(0,2); - slotSaveAs(); - } else { - saveFile(fileName); - } -} - -bool TextEdit::saveFile(const QString &fileName) { - if (fileName.isEmpty()) { - return false; - } - - QFile file(fileName); - - if (file.open(QIODevice::WriteOnly | QIODevice::Text)) { - EditorPage *page = slotCurPage(); - - QTextStream outputStream(&file); - QApplication::setOverrideCursor(Qt::WaitCursor); - outputStream << page->getTextPage()->toPlainText(); - QApplication::restoreOverrideCursor(); - QTextDocument *document = page->getTextPage()->document(); - - document->setModified(false); - - int curIndex = tabWidget->currentIndex(); - tabWidget->setTabText(curIndex, strippedName(fileName)); - page->setFilePath(fileName); - // statusBar()->showMessage(tr("File saved"), 2000); - file.close(); - return true; - } else { - QMessageBox::warning(this, tr("File"), - tr("Cannot write file %1:\n%2.") - .arg(fileName) - .arg(file.errorString())); - return false; - } -} - - -bool TextEdit::slotSaveAs() { - if (tabWidget->count() == 0 || slotCurPage() == 0) { - return true; - } - - EditorPage *page = slotCurPage(); - QString path; - if (page->getFilePath() != "") { - path = page->getFilePath(); - } else { - path = tabWidget->tabText(tabWidget->currentIndex()).remove(0, 2); - } - - QString fileName = QFileDialog::getSaveFileName(this, tr("Save file "), - path); - return saveFile(fileName); -} - -void TextEdit::slotCloseTab() { - removeTab(tabWidget->currentIndex()); - if (tabWidget->count() != 0) { - slotCurPage()->getTextPage()->setFocus(); - } -} - -void TextEdit::removeTab(int index) { - // Do nothing, if no tab is opened - if (tabWidget->count() == 0) { - return; - } - - // get the index of the actual current tab - int lastIndex = tabWidget->currentIndex(); - - // set the focus to argument index - tabWidget->setCurrentIndex(index); - - if (maybeSaveCurrentTab(true)) { - tabWidget->removeTab(index); - - if (index >= lastIndex) { - tabWidget->setCurrentIndex(lastIndex); - } else { - tabWidget->setCurrentIndex(lastIndex - 1); - } - } - - if (tabWidget->count() == 0) { - // enableAction(false); - } -} - - -/** - * Check if current may need to be saved. - * Call this function before closing the currently active tab- - * - * If it returns false, the close event should be aborted. - */ -bool TextEdit::maybeSaveCurrentTab(bool askToSave) { - - EditorPage *page = slotCurPage(); - // if this page is no textedit, there should be nothing to save - if (page == nullptr) { - return true; - } - QTextDocument *document = page->getTextPage()->document(); - - if (document->isModified()) { - QMessageBox::StandardButton result = QMessageBox::Cancel; - - // write title of tab to docname and remove the leading * - QString docname = tabWidget->tabText(tabWidget->currentIndex()); - docname.remove(0, 2); - - const QString &filePath = page->getFilePath(); - if (askToSave) { - result = QMessageBox::warning(this, tr("Unsaved document"), - tr("<h3>The document \"%1\" has been modified.<br/>Do you want to save your changes?</h3>").arg( - docname) + - tr("<b>Note:</b> If you don't save these files, all changes are lost.<br/>"), - QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel); - } - if ((result == QMessageBox::Save) || (!askToSave)) { - if (filePath == "") { - //QString docname = tabWidget->tabText(tabWidget->currentIndex()); - //docname.remove(0,2); - return slotSaveAs(); - } else { - return saveFile(filePath); - } - } else if (result == QMessageBox::Discard) { - return true; - } else { - return false; - } - } - return true; -} - -bool TextEdit::maybeSaveAnyTab() { - // get a list of all unsaved documents and their tabids - QHash<int, QString> unsavedDocs = this->unsavedDocuments(); - - /* - * no unsaved documents, so app can be closed - */ - if (unsavedDocs.empty()) { - return true; - } - /* - * only 1 unsaved document -> set modified tab as current - * and show normal unsaved doc dialog - */ - if (unsavedDocs.size() == 1) { - int modifiedTab = unsavedDocs.keys().at(0); - tabWidget->setCurrentIndex(modifiedTab); - return maybeSaveCurrentTab(true); - } - - /* - * more than one unsaved documents - */ - if (unsavedDocs.size() > 1) { - QHashIterator<int, QString> i(unsavedDocs); - - QuitDialog *dialog; - dialog = new QuitDialog(this, unsavedDocs); - int result = dialog->exec(); - - // if result is QDialog::Rejected, discard or cancel was clicked - if (result == QDialog::Rejected) { - // return true, if discard is clicked, so app can be closed - if (dialog->isDiscarded()) { - return true; - } else { - return false; - } - } else { - bool allsaved = true; - QList<int> tabIdsToSave = dialog->getTabIdsToSave(); - - foreach (int tabId, tabIdsToSave) { - tabWidget->setCurrentIndex(tabId); - if (!maybeSaveCurrentTab(false)) { - allsaved = false; - } - } - if (allsaved) { - return true; - } else { - return false; - } - } - } - // code should never reach this statement - return false; -} - - -QTextEdit *TextEdit::curTextPage() const { - auto *curTextPage = qobject_cast<EditorPage *>(tabWidget->currentWidget()); - if (curTextPage != nullptr) { - return curTextPage->getTextPage(); - } else { - return nullptr; - } -} - -QTextBrowser *TextEdit::curHelpPage() const { - auto *curHelpPage = qobject_cast<HelpPage *>(tabWidget->currentWidget()); - if (curHelpPage != nullptr) { - return curHelpPage->getBrowser(); - } else { - return nullptr; - } -} - -int TextEdit::tabCount() const { - return tabWidget->count(); -} - -EditorPage *TextEdit::slotCurPage() const { - auto *curPage = qobject_cast<EditorPage *>(tabWidget->currentWidget()); - return curPage; -} - -void TextEdit::slotQuote() const { - if (tabWidget->count() == 0 || curTextPage() == nullptr) { - return; - } - - QTextCursor cursor(curTextPage()->document()); - - // beginEditBlock and endEditBlock() let operation look like single undo/redo operation - cursor.beginEditBlock(); - cursor.setPosition(0); - cursor.insertText("> "); - while (!cursor.isNull() && !cursor.atEnd()) { - cursor.movePosition(QTextCursor::EndOfLine); - cursor.movePosition(QTextCursor::NextCharacter); - if (!cursor.atEnd()) { - cursor.insertText("> "); - } - } - cursor.endEditBlock(); -} - -void TextEdit::slotFillTextEditWithText(const QString &text) const { - QTextCursor cursor(curTextPage()->document()); - cursor.beginEditBlock(); - this->curTextPage()->selectAll(); - this->curTextPage()->insertPlainText(text); - cursor.endEditBlock(); -} - -void TextEdit::loadFile(const QString &fileName) { - QFile file(fileName); - if (!file.open(QFile::ReadOnly | QFile::Text)) { - QMessageBox::warning(this, tr("Application"), - tr("Cannot read file %1:\n%2.") - .arg(fileName) - .arg(file.errorString())); - return; - } - QTextStream in(&file); - QApplication::setOverrideCursor(Qt::WaitCursor); - curTextPage()->setPlainText(in.readAll()); - QApplication::restoreOverrideCursor(); - slotCurPage()->setFilePath(fileName); - tabWidget->setTabText(tabWidget->currentIndex(), strippedName(fileName)); - file.close(); - // statusBar()->showMessage(tr("File loaded"), 2000); -} - -QString TextEdit::strippedName(const QString &fullFileName) { - return QFileInfo(fullFileName).fileName(); -} - -void TextEdit::slotPrint() { - if (tabWidget->count() == 0) { - return; - } - -#ifndef QT_NO_PRINTER - QTextDocument *document; - if (curTextPage() == nullptr) { - document = curHelpPage()->document(); - } else { - document = curTextPage()->document(); - } - QPrinter printer; - - auto *dlg = new QPrintDialog(&printer, this); - if (dlg->exec() != QDialog::Accepted) { - return; - } - document->print(&printer); - - //statusBar()->showMessage(tr("Ready"), 2000); -#endif -} - -void TextEdit::slotShowModified() const { - int index = tabWidget->currentIndex(); - QString title = tabWidget->tabText(index); - // if doc is modified now, add leading * to title, - // otherwise remove the leading * from the title - if (curTextPage()->document()->isModified()) { - tabWidget->setTabText(index, title.prepend("* ")); - } else { - tabWidget->setTabText(index, title.remove(0, 2)); - } -} - -void TextEdit::slotSwitchTabUp() const { - if (tabWidget->count() > 1) { - int newindex = (tabWidget->currentIndex() + 1) % (tabWidget->count()); - tabWidget->setCurrentIndex(newindex); - } -} - -void TextEdit::slotSwitchTabDown() const { - if (tabWidget->count() > 1) { - int newindex = (tabWidget->currentIndex() - 1 + tabWidget->count()) % tabWidget->count(); - tabWidget->setCurrentIndex(newindex); - } -} - -/* - * return a hash of tabindexes and title of unsaved tabs - */ -QHash<int, QString> TextEdit::unsavedDocuments() const { - QHash<int, QString> unsavedDocs; // this list could be used to implement gedit like "unsaved changed"-dialog - - for (int i = 0; i < tabWidget->count(); i++) { - auto *ep = qobject_cast<EditorPage *>(tabWidget->widget(i)); - if (ep != nullptr && ep->getTextPage()->document()->isModified()) { - QString docname = tabWidget->tabText(i); - // remove * before name of modified doc - docname.remove(0, 2); - unsavedDocs.insert(i, docname); - } - } - return unsavedDocs; -} - -void TextEdit::slotCut() const { - if (tabWidget->count() == 0 || curTextPage() == nullptr) { - return; - } - - curTextPage()->cut(); -} - -void TextEdit::slotCopy() const { - if (tabWidget->count() == 0) { - return; - } - - if (curTextPage() != nullptr) { - curTextPage()->copy(); - } else { - curHelpPage()->copy(); - } - - -} - -void TextEdit::slotPaste() const { - if (tabWidget->count() == 0 || curTextPage() == nullptr) { - return; - } - - curTextPage()->paste(); -} - -void TextEdit::slotUndo() const { - if (tabWidget->count() == 0 || curTextPage() == nullptr) { - return; - } - - curTextPage()->undo(); -} - -void TextEdit::slotRedo() const { - if (tabWidget->count() == 0 || curTextPage() == nullptr) { - return; - } - - curTextPage()->redo(); -} - -void TextEdit::slotZoomIn() const { - if (tabWidget->count() == 0) { - return; - } - - if (curTextPage() != nullptr) { - curTextPage()->zoomIn(); - } else { - curHelpPage()->zoomIn(); - } - -} - -void TextEdit::slotZoomOut() const { - if (tabWidget->count() == 0) { - return; - } - - if (curTextPage() != nullptr) { - curTextPage()->zoomOut(); - } else { - curHelpPage()->zoomOut(); - } -} - -void TextEdit::slotSelectAll() const { - if (tabWidget->count() == 0 || curTextPage() == nullptr) { - return; - } - - curTextPage()->selectAll(); -} - -/*void TextEdit::dragEnterEvent(QDragEnterEvent *event) -{ - if (event->mimeData()->hasFormat("text/plain")) - qDebug() << "enter textedit drag action"; - event->acceptProposedAction(); -} - -void TextEdit::dropEvent(QDropEvent* event) -{ - curTextPage()->setPlainText(event->mimeData()->text()); - - foreach (QUrl tmp, event->mimeData()->urls()) - { - qDebug() << tmp; - } - - //event->acceptProposedAction(); -} -*/ |