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 using namespace eVaf;
  35
  36 VER_EXPORT_VERSION_INFO()
  37 Q_EXPORT_PLUGIN2(VER_MODULE_NAME_STR, PswGen::GUI::Module)
  38
  39
  40 //-------------------------------------------------------------------
  41
  42 using namespace eVaf::PswGen::GUI;
  43
  44 int const Module::DefaultPasswordLength = 16;
  45
  46 Module::Module()
  47     : Plugins::iPlugin()
  48     , mReady(false)
  49     , mGenerator(0)
  50     , mStorage(0)
  51 {
  52     setObjectName(QString("%1.%2").arg(VER_MODULE_NAME_STR).arg(__FUNCTION__));
  53
  54     EVAF_INFO("%s created", qPrintable(objectName()));
  55 }
  56
  57 Module::~Module()
  58 {
  59     EVAF_INFO("%s destroyed", qPrintable(objectName()));
  60 }
  61
  62 bool Module::init(QString const & args)
  63 {
  64     Q_UNUSED(args);
  65
  66     // Get the iGenerator interface
  67     EVAF_TEST_X((mGenerator = evafQueryInterface<PswGen::iGenerator>("iGenerator")), "No iGenerator interface");
  68
  69     // Get the iStorage interface (can be null)
  70     mStorage = evafQueryInterface<PswGen::iStorage>("iStorage");
  71     if (!mStorage)
  72         EVAF_WARNING("No iStorage interface");
  73
  74     // Get the main window interface and fill it with the widgets
  75     SdiWindow::iSdiWindow * win = evafQueryInterface<SdiWindow::iSdiWindow>("iSdiWindow");
  76     EVAF_TEST_X(win, "No iSdiWindow interface");
  77
  78     QVBoxLayout * v = new QVBoxLayout;
  79     win->widget()->setLayout(v);
  80
  81     QGridLayout * g = new QGridLayout;
  82     v->addLayout(g);
  83     g->setColumnStretch(2, 2);
  84
  85     QLabel * l = new QLabel(tr("Master &password:", VER_MODULE_NAME_STR));
  86     l->setAlignment(Qt::AlignRight);
  87     g->addWidget(l, 0, 0);
  88
  89     wMasterPassword = new QLineEdit;
  90     l->setBuddy(wMasterPassword);
  91     connect(wMasterPassword, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
  92     wMasterPassword->setEchoMode(QLineEdit::Password);
  93     g->addWidget(wMasterPassword, 0, 1, 1, 2);
  94
  95     l = new QLabel(tr("Web site or application &name:", VER_MODULE_NAME_STR));
  96     l->setAlignment(Qt::AlignRight);
  97     g->addWidget(l, 1, 0);
  98
  99     wName = new QLineEdit;
 100     l->setBuddy(wName);
 101     if (mStorage) {
 102         QCompleter * completer = new QCompleter(wName);
 103         completer->setModel(mStorage->autoCompletionModel());
 104         completer->setCompletionMode(QCompleter::InlineCompletion);
 105         wName->setCompleter(completer);
 106     }
 107     connect(wName, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
 108     g->addWidget(wName, 1, 1, 1, 2);
 109     win->widget()->setFocusProxy(wName);
 110
 111     l = new QLabel(tr("&Length of the password:", VER_MODULE_NAME_STR));
 112     l->setAlignment(Qt::AlignRight);
 113     g->addWidget(l, 2, 0);
 114
 115     wLength = new QSpinBox;
 116     l->setBuddy(wLength);
 117     wLength->setRange(0, mGenerator->maxLength());
 118     wLength->setValue(DefaultPasswordLength);
 119     wLength->setSpecialValueText(tr("Maximum", VER_MODULE_NAME_STR));
 120     g->addWidget(wLength, 2, 1);
 121
 122     l = new QLabel(tr("Password:"));
 123     l->setAlignment(Qt::AlignRight);
 124     g->addWidget(l, 3, 0);
 125
 126     wPassword = new QLineEdit;
 127     wPassword->setReadOnly(true);
 128     g->addWidget(wPassword, 3, 1, 1, 2);
 129
 130     v->addStretch();
 131
 132     QHBoxLayout * h = new QHBoxLayout;
 133     h->addStretch();
 134     v->addLayout(h);
 135
 136     wGenerate = new QPushButton(tr("&Generate", VER_MODULE_NAME_STR));
 137     wGenerate->setDisabled(true);
 138     wGenerate->setDefault(true);
 139     connect(wGenerate, SIGNAL(clicked()), this, SLOT(generateClicked()));
 140     h->addWidget(wGenerate);
 141
 142     wCopy = new QPushButton(tr("&Copy to Clipboard", VER_MODULE_NAME_STR));
 143     wCopy->setDisabled(true);
 144     connect(wCopy, SIGNAL(clicked()), this, SLOT(copyClicked()));
 145     h->addWidget(wCopy);
 146
 147     QAction * a = new QAction(win->widget());
 148     a->setShortcut(Qt::Key_Return);
 149     connect(a, SIGNAL(triggered()), this, SLOT(generateClicked()));
 150     win->widget()->addAction(a);
 151
 152     a = new QAction(win->widget());
 153     a->setShortcut(Qt::Key_Escape);
 154     connect(a, SIGNAL(triggered()), qApp, SLOT(quit()));
 155     win->widget()->addAction(a);
 156
 157     mReady = true;
 158
 159     EVAF_INFO("%s initialized", qPrintable(objectName()));
 160
 161     return true;
 162 }
 163
 164 void Module::done()
 165 {
 166     mReady = false;
 167
 168     EVAF_INFO("%s finalized", qPrintable(objectName()));
 169 }
 170
 171 void Module::textChanged(QString const &)
 172 {
 173     wGenerate->setDisabled(wMasterPassword->text().isEmpty() || wName->text().isEmpty());
 174     if (!wName->text().isEmpty() && mStorage) {
 175         QExplicitlySharedDataPointer<PswGen::Storage::Data> data = mStorage->query(wName->text());
 176         if (data)
 177             wLength->setValue(data->length());
 178     }
 179 }
 180
 181 void Module::generateClicked()
 182 {
 183     if (wMasterPassword->text().isEmpty() || wName->text().isEmpty())
 184         return;
 185     wPassword->setText(mGenerator->generatePassword(wName->text(), wMasterPassword->text(), wLength->value()));
 186     wCopy->setEnabled(true);
 187     if (mStorage) {
 188         QExplicitlySharedDataPointer<PswGen::Storage::Data> data = mStorage->query(wName->text());
 189         if (!data)
 190             data = new Storage::Data(wName->text(), wLength->value());
 191         else
 192             data->setLength(wLength->value());
 193         mStorage->save(wName->text(), data);
 194     }
 195 }
 196
 197 void Module::copyClicked()
 198 {
 199     QClipboard * clipboard = QApplication::clipboard();
 200     if (clipboard)
 201         clipboard->setText(wPassword->text());
 202 }