vcs.maemo.org Git - mdictionary/blob - src/desktopWidget/MainWidget.cpp

   1 /*******************************************************************************
   2
   3     This file is part of mDictionary.
   4
   5     mDictionary is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     mDictionary is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with mDictionary.  If not, see <http://www.gnu.org/licenses/>.
  17
  18     Copyright 2010 Comarch S.A.
  19
  20 *******************************************************************************/
  21
  22 /*! \file MainWidget.cpp
  23     \brief Implements widget for maemo that allows user to search quickly right from home screen using mdictionary.
  24
  25     \author Mateusz Półrola <mateusz.polrola@comarch.pl>
  26 */
  27
  28 #include "MainWidget.h"
  29
  30 #include <X11/Xlib.h>
  31 #include <X11/Xatom.h>
  32 #include <QtGui/QX11Info>
  33 #include <QtDBus/QDBusMessage>
  34 #include <QtDBus/QDBusPendingCall>
  35 #include <QList>
  36 #include <QDebug>
  37
  38
  39 HomeWidget::HomeWidget(QWidget *parent):
  40     QWidget(parent)
  41 {
  42     //setting application name, it will use it later to set home applet id
  43     QCoreApplication::instance()->setApplicationName(
  44             "mDictionary desktop widget");
  45
  46     //setting this attribute to get transparent backgorund
  47     setAttribute(Qt::WA_TranslucentBackground);
  48
  49     initializeX11();
  50
  51     initializeUI();
  52 }
  53
  54
  55 void HomeWidget::initializeUI() {
  56
  57
  58     horizontalLayout = new QHBoxLayout;
  59     setLayout(horizontalLayout);
  60
  61
  62     searchStringLineEdit = new QLineEdit;
  63
  64     searchButton = new QPushButton(tr("Search"));
  65     searchButton->setMaximumHeight(60);
  66
  67     logo = new QToolButton();
  68     logo->setIcon(QIcon(":/icons/64x64/mdictionary.png"));
  69
  70     horizontalLayout->addWidget(logo);
  71     horizontalLayout->addWidget(searchStringLineEdit);
  72     horizontalLayout->addWidget(searchButton);
  73     horizontalLayout->setContentsMargins(10,10,10,10);
  74
  75     connect(searchStringLineEdit, SIGNAL(returnPressed()),
  76             this, SLOT(search()));
  77
  78     connect(searchButton, SIGNAL(clicked()),
  79             this, SLOT(search()));
  80
  81     connect(logo, SIGNAL(clicked()),
  82             this, SLOT(logoClicked()));
  83
  84
  85     setMinimumHeight(100);
  86     setMaximumHeight(100);
  87 }
  88
  89 void HomeWidget::initializeX11() {
  90
  91     Atom winTypeAtom = XInternAtom(QX11Info::display(),
  92                                    "_NET_WM_WINDOW_TYPE",
  93                                    false);
  94
  95     Atom homeAppletAtom = XInternAtom(QX11Info::display(),
  96                                      "_HILDON_WM_WINDOW_TYPE_HOME_APPLET",
  97                                      false);
  98
  99     Atom appletIDAtom = XInternAtom(QX11Info::display(),
 100                                     "_HILDON_APPLET_ID",
 101                                     false);
 102
 103     Atom utf8Atom = XInternAtom(QX11Info::display(),
 104                                 "UTF8_STRING",
 105                                 false);
 106
 107
 108     // Set window type to home applet
 109     XChangeProperty(QX11Info::display(), winId(), winTypeAtom,
 110                     XA_ATOM, 32, PropModeReplace,
 111                     (unsigned char *) &homeAppletAtom, 1);
 112
 113     // Applet id will be the same as application name
 114     QByteArray id (
 115             QCoreApplication::instance()->applicationName().remove(' ').toUtf8());
 116
 117
 118     XChangeProperty(QX11Info::display(), winId(), appletIDAtom, utf8Atom, 8,
 119                     PropModeReplace, (unsigned char *)id.constData(),
 120                     id.length());
 121 }
 122
 123 void HomeWidget::search() {
 124     if(searchStringLineEdit->text().isEmpty()) return;
 125
 126     QDBusMessage message =
 127             QDBusMessage::createMethodCall("com.comarch.mdictionary",
 128                                            "/mainWindow",
 129                                            "com.comarch.mdictionary",
 130                                            "search");
 131
 132     QList<QVariant> args;
 133     args.append(searchStringLineEdit->text());
 134     message.setArguments(args);
 135
 136     QDBusConnection::sessionBus().send(message);
 137
 138     searchStringLineEdit->clear();
 139 }
 140
 141 void HomeWidget::logoClicked() {
 142     QDBusMessage message =
 143             QDBusMessage::createMethodCall("com.comarch.mdictionary",
 144                                            "/mainWindow",
 145                                            "com.comarch.mdictionary",
 146                                            "showApplication");
 147     QDBusConnection::sessionBus().send(message);
 148 }
 149
 150
 151
 152 void HomeWidget::paintEvent(QPaintEvent *event) {
 153     //custom painting of rounded corners
 154     QPainter p(this);
 155
 156     p.setBrush(palette().background());
 157
 158     p.setPen(Qt::NoPen);
 159
 160     p.drawRoundedRect(rect(), 25, 25);
 161
 162     p.end();
 163
 164     QWidget::paintEvent(event);
 165 }