Allow passing a filename and password on the command line.

Passing passwords on the command line is not exactly best practice but will
greatly improve development productivity.

src/gui/DatabaseOpenDialog.cpp

@@ -68,6 +68,18 @@ Database* DatabaseOpenDialog::database()
     return m_db;
 }
 
+void DatabaseOpenDialog::enterKey(const QString& pw, const QString& keyFile)
+{
+    if (!pw.isNull()) {
+        m_ui->editPassword->setText(pw);
+    }
+    if (!keyFile.isEmpty()) {
+        m_ui->checkKeyFile->setText(keyFile);
+    }
+
+    openDatabase();
+}
+
 void DatabaseOpenDialog::openDatabase()
 {
     KeePass2Reader reader;

src/gui/DatabaseOpenDialog.h

@@ -38,6 +38,7 @@ public:
     explicit DatabaseOpenDialog(QFile* file, QString filename, QWidget* parent = 0);
     ~DatabaseOpenDialog();
     Database* database();
+    void enterKey(const QString& pw, const QString& keyFile);
 
 private Q_SLOTS:
     void openDatabase();

src/gui/DatabaseTabWidget.cpp

@@ -78,7 +78,8 @@ void DatabaseTabWidget::openDatabase()
     }
 }
 
-void DatabaseTabWidget::openDatabase(const QString& fileName)
+void DatabaseTabWidget::openDatabase(const QString& fileName, const QString& pw,
+                                     const QString& keyFile)
 {
     QScopedPointer<QFile> file(new QFile(fileName));
     // TODO error handling
@@ -96,16 +97,20 @@ void DatabaseTabWidget::openDatabase(const QString& fileName)
     m_curDbStruct.file = file.take();
     m_curDbStruct.fileName = QFileInfo(fileName).absoluteFilePath();
 
-    openDatabaseDialog();
+    openDatabaseDialog(pw, keyFile);
 }
 
-void DatabaseTabWidget::openDatabaseDialog()
+void DatabaseTabWidget::openDatabaseDialog(const QString& pw, const QString& keyFile)
 {
     m_curKeyDialog = new DatabaseOpenDialog(m_curDbStruct.file, m_curDbStruct.fileName, m_window);
     connect(m_curKeyDialog, SIGNAL(accepted()), SLOT(openDatabaseRead()));
     connect(m_curKeyDialog, SIGNAL(rejected()), SLOT(openDatabaseCleanup()));
     m_curKeyDialog->setModal(true);
     m_curKeyDialog->show();
+
+    if (!pw.isNull() || !keyFile.isEmpty()) {
+        m_curKeyDialog->enterKey(pw, keyFile);
+    }
 }
 
 void DatabaseTabWidget::openDatabaseRead()

src/gui/DatabaseTabWidget.h

@@ -48,7 +48,8 @@ class DatabaseTabWidget : public QTabWidget
 
 public:
     explicit DatabaseTabWidget(QWidget* parent);
-    void openDatabase(const QString& fileName);
+    void openDatabase(const QString& fileName, const QString& pw = QString(),
+                      const QString& keyFile = QString());
     DatabaseWidget* currentDatabaseWidget();
 
 public Q_SLOTS:
@@ -75,7 +76,7 @@ Q_SIGNALS:
 
 private Q_SLOTS:
     void updateTabName(Database* db);
-    void openDatabaseDialog();
+    void openDatabaseDialog(const QString& pw = QString(), const QString& keyFile = QString());
     void openDatabaseRead();
     void openDatabaseCleanup();
     void emitEntrySelectionChanged();

src/gui/MainWindow.cpp

@@ -58,6 +58,11 @@ MainWindow::~MainWindow()
 {
 }
 
+void MainWindow::openDatabase(const QString& fileName, const QString& pw, const QString& keyFile)
+{
+    m_ui->tabWidget->openDatabase(fileName, pw, keyFile);
+}
+
 const QString MainWindow::m_baseWindowTitle = "KeePassX";
 
 void MainWindow::setMenuActionState(int index)

src/gui/MainWindow.h

@@ -31,6 +31,7 @@ class MainWindow : public QMainWindow
 public:
     MainWindow();
     ~MainWindow();
+    void openDatabase(const QString& fileName, const QString& pw, const QString& keyFile);
 
 protected:
      void closeEvent(QCloseEvent *event);

src/main.cpp

@@ -15,28 +15,46 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <QtCore/QFile>
 #include <QtGui/QApplication>
 #include <QtGui/QTreeView>
 
-#include "core/Database.h"
 #include "crypto/Crypto.h"
-#include "format/KeePass2Reader.h"
-#include "format/KeePass2XmlReader.h"
 #include "gui/MainWindow.h"
 #include "keys/CompositeKey.h"
 #include "keys/PasswordKey.h"
 
-#include "../tests/config-keepassx-tests.h"
-
 int main(int argc, char **argv)
 {
     QApplication app(argc, argv);
-    // don't set applicationName or organizationName as that changes QDesktopServices::storageLocation
+    // don't set applicationName or organizationName as that changes
+    // QDesktopServices::storageLocation()
 
     Crypto::init();
 
+    QString filename;
+    QString password;
+
+    const QStringList args = app.arguments();
+    for (int i = 0; i < args.size(); i++) {
+        if (args[i] == "--password" && args.size() > (i + 1)) {
+            password = args[i + 1];
+            i++;
+        }
+        else if (!args[i].startsWith("-") && QFile::exists(args[i])) {
+            filename = args[i];
+        }
+        else {
+            qWarning("Unkown argument \"%s\"", qPrintable(args[i]));
+        }
+    }
+
     MainWindow mainWindow;
     mainWindow.show();
 
+    if (!filename.isEmpty()) {
+        mainWindow.openDatabase(filename, password, QString());
+    }
+
     return app.exec();
 }