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Diffstat (limited to 'gpgwin.cpp')
| -rw-r--r-- | gpgwin.cpp | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/gpgwin.cpp b/gpgwin.cpp new file mode 100644 index 0000000..6215ba9 --- /dev/null +++ b/gpgwin.cpp @@ -0,0 +1,401 @@ +/* + * gpgwin.cpp + * + * Copyright 2008 gpg4usb-team <[email protected]> + * + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ +#include <QApplication> +#include <QMainWindow> +#include <QPlainTextEdit> +#include <QWidget> +#include <QVBoxLayout> +#include <QGridLayout> +#include <iostream> +#include <QtGui> +#include <QString> +#include <QFileDialog> +#include <QStringList> +#include <QIcon> +#include <QMessageBox> + +#include "context.h" +#include "gpgwin.h" + + +GpgWin::GpgWin() +{ + myCtx = new GpgME::Context(); + + /* get path were app was started */ + QString appPath = qApp->applicationDirPath(); + iconPath = appPath + "/icons/"; + + edit = new QPlainTextEdit(); + setCentralWidget(edit); + + /* the list of Keys available*/ + m_keyList = new KeyList(); + m_keyList->setIconPath(iconPath); + m_keyList->setContext(myCtx); + + createActions(); + createMenus(); + createToolBars(); + createStatusBar(); + createDockWindows(); + + setToolButtonStyle(Qt::ToolButtonTextUnderIcon); + setIconSize(QSize(32, 32)); + setCurrentFile(""); + +} + +void GpgWin::createActions() +{ + /** Main Menu + */ + openAct = new QAction(tr("&Open..."), this); + openAct->setIcon(QIcon(iconPath + "fileopen.png")); + openAct->setShortcut(tr("Ctrl+O")); + openAct->setStatusTip(tr("Open an existing file")); + connect(openAct, SIGNAL(triggered()), this, SLOT(open())); + + saveAct = new QAction(tr("&Save"), this); + saveAct->setIcon(QIcon(iconPath + "filesave.png")); + saveAct->setShortcut(tr("Ctrl+S")); + saveAct->setStatusTip(tr("Save the current File")); + connect(saveAct, SIGNAL(triggered()), this, SLOT(save())); + + saveAsAct = new QAction(tr("Save &As"), this); + saveAsAct->setIcon(QIcon(iconPath + "filesaveas.png")); + saveAsAct->setStatusTip(tr("Save the current File as...")); + connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs())); + + printAct = new QAction(tr("&Print"), this); + printAct->setIcon(QIcon(iconPath + "fileprint.png")); + printAct->setShortcut(tr("Ctrl+P")); + printAct->setStatusTip(tr("Print Document")); + connect(printAct, SIGNAL(triggered()), this, SLOT(print())); + + quitAct = new QAction(tr("&Quit"), this); + quitAct->setShortcut(tr("Ctrl+Q")); + quitAct->setIcon(QIcon(iconPath + "exit.png")); + quitAct->setStatusTip(tr("Quit Program")); + connect(quitAct, SIGNAL(triggered()), this, SLOT(close())); + + /** Edit Menu + */ + pasteAct = new QAction(tr("&Paste"), this); + pasteAct->setIcon(QIcon(iconPath + "button_paste.png")); + pasteAct->setShortcut(tr("Ctrl+V")); + pasteAct->setStatusTip(tr("Paste Text From Clipboard")); + connect(pasteAct, SIGNAL(triggered()), edit, SLOT(paste())); + + cutAct = new QAction(tr("Cu&t"), this); + cutAct->setIcon(QIcon(iconPath + "button_cut.png")); + cutAct->setShortcut(tr("Ctrl+X")); + cutAct->setStatusTip(tr("Cut the current selection's contents to the " + "clipboard")); + connect(cutAct, SIGNAL(triggered()), edit, SLOT(cut())); + + copyAct = new QAction(tr("&Copy"), this); + copyAct->setIcon(QIcon(iconPath + "button_copy.png")); + copyAct->setShortcut(tr("Ctrl+C")); + copyAct->setStatusTip(tr("Copy the current selection's contents to the " + "clipboard")); + connect(copyAct, SIGNAL(triggered()), edit, SLOT(copy())); + + selectallAct = new QAction(tr("Select &All"), this); + selectallAct->setIcon(QIcon(iconPath + "edit.png")); + selectallAct->setShortcut(tr("Ctrl+A")); + selectallAct->setStatusTip(tr("Select the whole text")); + connect(selectallAct, SIGNAL(triggered()), edit, SLOT(selectAll())); + + /** Crypt Menu + */ + encryptAct = new QAction(tr("&Encrypt"), this); + encryptAct->setIcon(QIcon(iconPath + "encrypted.png")); + encryptAct->setShortcut(tr("Ctrl+E")); + encryptAct->setStatusTip(tr("Encrypt Message")); + connect(encryptAct, SIGNAL(triggered()), this, SLOT(encrypt())); + + decryptAct = new QAction(tr("&Decrypt"), this); + decryptAct->setIcon(QIcon(iconPath + "decrypted.png")); + decryptAct->setShortcut(tr("Ctrl+D")); + decryptAct->setStatusTip(tr("Decrypt Message")); + connect(decryptAct, SIGNAL(triggered()), this, SLOT(decrypt())); + + importKeyFromFileAct = new QAction(tr("&Import Key From File"), this); + importKeyFromFileAct->setIcon(QIcon(iconPath + "kgpg_import.png")); + importKeyFromFileAct->setShortcut(tr("Ctrl+I")); + importKeyFromFileAct->setStatusTip(tr("Import New Key From File")); + connect(importKeyFromFileAct, SIGNAL(triggered()), this, SLOT(importKeyFromFile())); + + importKeyFromEditAct = new QAction(tr("Import Key From &Editor"), this); + importKeyFromEditAct->setIcon(QIcon(iconPath + "importkey_editor.png")); + importKeyFromEditAct->setStatusTip(tr("Import New Key From Editor")); + connect(importKeyFromEditAct, SIGNAL(triggered()), this, SLOT(importKeyFromEdit())); + + /** About Menu + */ + aboutAct = new QAction(tr("&About"), this); + aboutAct->setIcon(QIcon(iconPath + "help.png")); + aboutAct->setStatusTip(tr("Show the application's About box")); + connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); +} + +void GpgWin::createMenus() +{ + fileMenu = menuBar()->addMenu(tr("&File")); + fileMenu->addAction(openAct); + fileMenu->addAction(saveAct); + fileMenu->addAction(saveAsAct); + fileMenu->addAction(printAct); + fileMenu->addSeparator(); + fileMenu->addAction(quitAct); + + fileMenu = menuBar()->addMenu(tr("&Edit")); + fileMenu->addAction(copyAct); + fileMenu->addAction(cutAct); + fileMenu->addAction(pasteAct); + fileMenu->addAction(selectallAct); + + fileMenu = menuBar()->addMenu(tr("&Crypt")); + fileMenu->addAction(encryptAct); + fileMenu->addAction(decryptAct); + fileMenu->addSeparator(); + fileMenu->addAction(importKeyFromFileAct); + fileMenu->addAction(importKeyFromEditAct); + + fileMenu = menuBar()->addMenu(tr("&Help")); + fileMenu->addAction(aboutAct); +} + +void GpgWin::createToolBars() +{ + fileToolBar = addToolBar(tr("File")); + fileToolBar->addAction(encryptAct); + fileToolBar->addAction(decryptAct); + + editToolBar = addToolBar(tr("Edit")); + editToolBar->addAction(copyAct); + editToolBar->addAction(pasteAct); + editToolBar->addAction(selectallAct); +} + +void GpgWin::createStatusBar() +{ + statusBar()->showMessage(tr("Ready")); +} + +void GpgWin::createDockWindows() +{ + QDockWidget *dock = new QDockWidget(tr("Encrypt for:"), this); + dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea); + addDockWidget(Qt::RightDockWidgetArea, dock); + dock->setWidget(m_keyList); +} + +void GpgWin::closeEvent(QCloseEvent *event) +{ + if (maybeSave()) { + event->accept(); + } else { + event->ignore(); + } +} + +void GpgWin::open() +{ + if (maybeSave()) { + QString fileName = QFileDialog::getOpenFileName(this); + if (!fileName.isEmpty()) + loadFile(fileName); + } +} + +bool GpgWin::save() +{ + if (curFile.isEmpty()) { + return saveAs(); + } else { + return saveFile(curFile); + } +} + +bool GpgWin::saveAs() +{ + QString fileName = QFileDialog::getSaveFileName(this); + if (fileName.isEmpty()) + return false; + + return saveFile(fileName); +} + +void GpgWin::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); + edit->setPlainText(in.readAll()); + QApplication::restoreOverrideCursor(); + + setCurrentFile(fileName); + statusBar()->showMessage(tr("File loaded"), 2000); +} + +void GpgWin::setCurrentFile(const QString &fileName) +{ + curFile = fileName; + edit->document()->setModified(false); + setWindowModified(false); + + QString shownName; + if (curFile.isEmpty()) + shownName = tr("untitled.txt"); + else + shownName = strippedName(curFile); + + setWindowTitle(tr("%1[*] - %2").arg(shownName).arg(qApp->applicationName())); +} + +QString GpgWin::strippedName(const QString &fullFileName) +{ + return QFileInfo(fullFileName).fileName(); +} + +bool GpgWin::maybeSave() +{ + if (edit->document()->isModified()) { + QMessageBox::StandardButton ret; + ret = QMessageBox::warning(this, tr("Application"), + tr("The document has been modified.\nDo you want to save your changes?"), + QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel); + if (ret == QMessageBox::Save) + return save(); + else if (ret == QMessageBox::Cancel) + return false; + } + return true; +} + +bool GpgWin::saveFile(const QString &fileName) +{ + QFile file(fileName); + if (!file.open(QFile::WriteOnly | QFile::Text)) { + QMessageBox::warning(this, tr("File"), + tr("Cannot write file %1:\n%2.") + .arg(fileName) + .arg(file.errorString())); + return false; + } + QTextStream out(&file); + QApplication::setOverrideCursor(Qt::WaitCursor); + out << edit->toPlainText(); + QApplication::restoreOverrideCursor(); + statusBar()->showMessage(tr("Saved '%1'").arg(fileName), 2000); + return true; +} + +void GpgWin::print() +{ +#ifndef QT_NO_PRINTER + QTextDocument *document = edit->document(); + QPrinter printer; + + QPrintDialog *dlg = new QPrintDialog(&printer, this); + if (dlg->exec() != QDialog::Accepted) + return; + + document->print(&printer); + + statusBar()->showMessage(tr("Ready"), 2000); +#endif +} + +void GpgWin::about() +{ + QMessageBox::about(this, tr("About ") + qApp->applicationName(), + "<center><h2>" + qApp->applicationName() + " " + + qApp->applicationVersion() +"</h2></center>" + +tr("<center>This Application allows you to do simple<br>" + "encryption/decryption of your text-files.<br>" + "It's licensed under the GPL v2.0<br><br>" + "<b>Developer:</b><br>" + "Bene, Heimer, Juergen, Nils, Ubbo<br><br>" + "If you have any questions and/or<br>" + "suggestions, contact us at<br>" + "gpg4usb at cpunk.de</a><br><br>" + "or feel free to meet us in our channel at<br>" + "gpg4usb at conference.jabber.ccc.de<br><br>" + "and always remember:<br>" + "cpunk is NOT a bot...</center>")); +} + +void GpgWin::encrypt() +{ + QList<QString> *uidList = m_keyList->getChecked(); + + QByteArray *tmp = new QByteArray(); + if (myCtx->encrypt(uidList, edit->toPlainText().toAscii(), tmp)) { + QString *tmp2 = new QString(*tmp); + edit->setPlainText(*tmp2); + } + +} + +void GpgWin::decrypt() +{ + QByteArray *tmp = new QByteArray(); + myCtx->decrypt(edit->toPlainText().toAscii(), tmp); + if (!tmp->isEmpty()) { + QString *tmp2 = new QString(*tmp); + edit->setPlainText(*tmp2); + } +} + +void GpgWin::importKeyFromEdit() +{ + myCtx->importKey(edit->toPlainText().toAscii()); + m_keyList->refresh(); +} + + +void GpgWin::importKeyFromFile() +{ + QString fileName = QFileDialog::getOpenFileName(this, tr("Open Key"), "", tr("Key Files") + " (*.asc *.txt);;All Files (*.*)"); + if (! fileName.isNull()) { + QFile file; + file.setFileName(fileName); + if (!file.open(QIODevice::ReadOnly)) { + qDebug() << tr("couldn't open file: ") + fileName; + } + QByteArray inBuffer = file.readAll(); + + myCtx->importKey(inBuffer); + m_keyList->refresh(); + } +} + |