vaikene.ee Git - evaf/blob - src/apps/PswGen/GUI/gui.cpp

   1 /**
   2  * @file PswGen/GUI/gui.cpp
   3  * @brief GUI for the PswGen application
   4  * @author Enar Vaikene
   5  *
   6  * Copyright (c) 2011 Enar Vaikene
   7  *
   8  * This file is part of the eVaf C++ cross-platform application development framework.
   9  *
  10  * This file can be used under the terms of the GNU General Public License
  11  * version 3.0 as published by the Free Software Foundation and appearing in
  12  * the file LICENSE included in the packaging of this file. Please review the
  13  * the following information to ensure the GNU General Public License version
  14  * 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
  15  *
  16  * Alternatively, this file may be used in accordance with the Commercial License
  17  * Agreement provided with the Software.
  18  */
  19
  20 #include "gui.h"
  21 #include "version.h"
  22
  23 #include "Generator/iGenerator"
  24 #include "Storage/iStorage"
  25
  26 #include <Common/Globals>
  27 #include <Common/iLogger>
  28 #include <Common/iRegistry>
  29 #include <SdiWindow/iSdiWindow>
  30
  31 #include <QtGui>
  32
  33
  34 VER_EXPORT_VERSION_INFO()
  35 Q_EXPORT_PLUGIN2(VER_MODULE_NAME_STR, eVaf::PswGen::GUI::Module)
  36
  37
  38 //-------------------------------------------------------------------
  39
  40 using namespace eVaf;
  41 using namespace eVaf::PswGen::GUI;
  42
  43 int const Module::DefaultPasswordLength = 16;
  44
  45 Module::Module()
  46     : Plugins::iPlugin()
  47     , mReady(false)
  48     , mGenerator(0)
  49     , mStorage(0)
  50 {
  51     setObjectName(QString("%1.%2").arg(VER_MODULE_NAME_STR).arg(__FUNCTION__));
  52
  53     EVAF_INFO("%s created", qPrintable(objectName()));
  54 }
  55
  56 Module::~Module()
  57 {
  58     EVAF_INFO("%s destroyed", qPrintable(objectName()));
  59 }
  60
  61 bool Module::init(QString const & args)
  62 {
  63     Q_UNUSED(args);
  64
  65     // Get the iGenerator interface
  66     EVAF_TEST_X((mGenerator = evafQueryInterface<PswGen::iGenerator>("iGenerator")), "No iGenerator interface");
  67
  68     // Get the iStorage interface (can be null)
  69     mStorage = evafQueryInterface<PswGen::iStorage>("iStorage");
  70     if (!mStorage)
  71         EVAF_WARNING("No iStorage interface");
  72
  73     // Get the main window interface and fill it with the widgets
  74     SdiWindow::iSdiWindow * win = evafQueryInterface<SdiWindow::iSdiWindow>("iSdiWindow");
  75     EVAF_TEST_X(win, "No iSdiWindow interface");
  76
  77     QVBoxLayout * v = new QVBoxLayout;
  78     win->widget()->setLayout(v);
  79
  80     QGridLayout * g = new QGridLayout;
  81     v->addLayout(g);
  82     g->setColumnStretch(2, 2);
  83
  84     QLabel * l = new QLabel(tr("Master &password:", VER_MODULE_NAME_STR));
  85     l->setAlignment(Qt::AlignRight);
  86     g->addWidget(l, 0, 0);
  87
  88     wMasterPassword = new QLineEdit;
  89     l->setBuddy(wMasterPassword);
  90     connect(wMasterPassword, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
  91     wMasterPassword->setEchoMode(QLineEdit::Password);
  92     g->addWidget(wMasterPassword, 0, 1, 1, 2);
  93
  94     l = new QLabel(tr("Web site or application &name:", VER_MODULE_NAME_STR));
  95     l->setAlignment(Qt::AlignRight);
  96     g->addWidget(l, 1, 0);
  97
  98     wName = new QLineEdit;
  99     l->setBuddy(wName);
 100     if (mStorage) {
 101         QCompleter * completer = new QCompleter(wName);
 102         completer->setModel(mStorage->autoCompletionModel());
 103         completer->setCompletionMode(QCompleter::InlineCompletion);
 104         wName->setCompleter(completer);
 105     }
 106     connect(wName, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
 107     g->addWidget(wName, 1, 1, 1, 2);
 108     win->widget()->setFocusProxy(wName);
 109
 110     l = new QLabel(tr("&Length of the password:", VER_MODULE_NAME_STR));
 111     l->setAlignment(Qt::AlignRight);
 112     g->addWidget(l, 2, 0);
 113
 114     wLength = new QSpinBox;
 115     l->setBuddy(wLength);
 116     wLength->setRange(0, mGenerator->maxLength());
 117     wLength->setValue(DefaultPasswordLength);
 118     wLength->setSpecialValueText(tr("Maximum", VER_MODULE_NAME_STR));
 119     g->addWidget(wLength, 2, 1);
 120
 121     l = new QLabel(tr("Password:"));
 122     l->setAlignment(Qt::AlignRight);
 123     g->addWidget(l, 3, 0);
 124
 125     wPassword = new QLineEdit;
 126     wPassword->setReadOnly(true);
 127     g->addWidget(wPassword, 3, 1, 1, 2);
 128
 129     v->addStretch();
 130
 131     QHBoxLayout * h = new QHBoxLayout;
 132     h->addStretch();
 133     v->addLayout(h);
 134
 135     wGenerate = new QPushButton(tr("&Generate", VER_MODULE_NAME_STR));
 136     wGenerate->setDisabled(true);
 137     wGenerate->setDefault(true);
 138     connect(wGenerate, SIGNAL(clicked()), this, SLOT(generateClicked()));
 139     h->addWidget(wGenerate);
 140
 141     wCopy = new QPushButton(tr("&Copy to Clipboard", VER_MODULE_NAME_STR));
 142     wCopy->setDisabled(true);
 143     connect(wCopy, SIGNAL(clicked()), this, SLOT(copyClicked()));
 144     h->addWidget(wCopy);
 145
 146     QAction * a = new QAction(win->widget());
 147     a->setShortcut(Qt::Key_Return);
 148     connect(a, SIGNAL(triggered()), this, SLOT(generateClicked()));
 149     win->widget()->addAction(a);
 150
 151     a = new QAction(win->widget());
 152     a->setShortcut(Qt::Key_Escape);
 153     connect(a, SIGNAL(triggered()), qApp, SLOT(quit()));
 154     win->widget()->addAction(a);
 155
 156     mReady = true;
 157
 158     EVAF_INFO("%s initialized", qPrintable(objectName()));
 159
 160     return true;
 161 }
 162
 163 void Module::done()
 164 {
 165     mReady = false;
 166
 167     EVAF_INFO("%s finalized", qPrintable(objectName()));
 168 }
 169
 170 void Module::textChanged(QString const &)
 171 {
 172     wGenerate->setDisabled(wMasterPassword->text().isEmpty() || wName->text().isEmpty());
 173     if (!wName->text().isEmpty() && mStorage) {
 174         QExplicitlySharedDataPointer<PswGen::Storage::Data> data = mStorage->query(wName->text());
 175         if (data)
 176             wLength->setValue(data->length());
 177     }
 178 }
 179
 180 void Module::generateClicked()
 181 {
 182     if (wMasterPassword->text().isEmpty() || wName->text().isEmpty())
 183         return;
 184     wPassword->setText(mGenerator->generatePassword(wName->text(), wMasterPassword->text(), wLength->value()));
 185     wCopy->setEnabled(true);
 186     if (mStorage) {
 187         QExplicitlySharedDataPointer<PswGen::Storage::Data> data = mStorage->query(wName->text());
 188         if (!data)
 189             data = new Storage::Data(wName->text(), wLength->value());
 190         else
 191             data->setLength(wLength->value());
 192         mStorage->save(wName->text(), data);
 193     }
 194 }
 195
 196 void Module::copyClicked()
 197 {
 198     QClipboard * clipboard = QApplication::clipboard();
 199     if (clipboard)
 200         clipboard->setText(wPassword->text());
 201 }