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 //Created by Mateusz Półrola
  23
  24 #include "MainWidget.h"
  25
  26 #include <X11/Xlib.h>
  27 #include <X11/Xatom.h>
  28 #include <QtGui/QX11Info>
  29 #include <QtDBus/QDBusMessage>
  30 #include <QtDBus/QDBusPendingCall>
  31 #include <QList>
  32 #include <QDebug>
  33
  34
  35 HomeWidget::HomeWidget(QWidget *parent):
  36     QWidget(parent)
  37 {
  38     //setting application name, it will use it later to set home applet id
  39     QCoreApplication::instance()->setApplicationName(
  40             "mDictionary desktop widget");
  41
  42     //setting this attribute to get transparent backgorund
  43     setAttribute(Qt::WA_TranslucentBackground);
  44
  45     initializeX11();
  46
  47     initializeUI();
  48 }
  49
  50
  51 void HomeWidget::initializeUI() {
  52
  53
  54     horizontalLayout = new QHBoxLayout;
  55     setLayout(horizontalLayout);
  56
  57
  58     searchStringLineEdit = new QLineEdit;
  59
  60     searchButton = new QPushButton(tr("Search"));
  61     searchButton->setMaximumHeight(60);
  62
  63     logo = new QToolButton();
  64     logo->setIcon(QIcon(":/icons/64x64/mdictionary.png"));
  65
  66     horizontalLayout->addWidget(logo);
  67     horizontalLayout->addWidget(searchStringLineEdit);
  68     horizontalLayout->addWidget(searchButton);
  69     horizontalLayout->setContentsMargins(10,10,10,10);
  70
  71     connect(searchStringLineEdit, SIGNAL(returnPressed()),
  72             this, SLOT(search()));
  73
  74     connect(searchButton, SIGNAL(clicked()),
  75             this, SLOT(search()));
  76
  77     connect(logo, SIGNAL(clicked()),
  78             this, SLOT(logoClicked()));
  79
  80
  81     setMinimumHeight(100);
  82     setMaximumHeight(100);
  83 }
  84
  85 void HomeWidget::initializeX11() {
  86
  87     Atom winTypeAtom = XInternAtom(QX11Info::display(),
  88                                    "_NET_WM_WINDOW_TYPE",
  89                                    false);
  90
  91     Atom homeAppletAtom = XInternAtom(QX11Info::display(),
  92                                      "_HILDON_WM_WINDOW_TYPE_HOME_APPLET",
  93                                      false);
  94
  95     Atom appletIDAtom = XInternAtom(QX11Info::display(),
  96                                     "_HILDON_APPLET_ID",
  97                                     false);
  98
  99     Atom utf8Atom = XInternAtom(QX11Info::display(),
 100                                 "UTF8_STRING",
 101                                 false);
 102
 103
 104     // Set window type to home applet
 105     XChangeProperty(QX11Info::display(), winId(), winTypeAtom,
 106                     XA_ATOM, 32, PropModeReplace,
 107                     (unsigned char *) &homeAppletAtom, 1);
 108
 109     // Applet id will be the same as application name
 110     QByteArray id (
 111             QCoreApplication::instance()->applicationName().remove(' ').toUtf8());
 112
 113
 114     XChangeProperty(QX11Info::display(), winId(), appletIDAtom, utf8Atom, 8,
 115                     PropModeReplace, (unsigned char *)id.constData(),
 116                     id.length());
 117 }
 118
 119 void HomeWidget::search() {
 120     if(searchStringLineEdit->text().isEmpty()) return;
 121
 122     QDBusMessage message =
 123             QDBusMessage::createMethodCall("com.comarch.mdictionary",
 124                                            "/mainWindow",
 125                                            "com.comarch.mdictionary",
 126                                            "search");
 127
 128     QList<QVariant> args;
 129     args.append(searchStringLineEdit->text());
 130     message.setArguments(args);
 131
 132     QDBusConnection::sessionBus().send(message);
 133 }
 134
 135 void HomeWidget::logoClicked() {
 136     QDBusMessage message =
 137             QDBusMessage::createMethodCall("com.comarch.mdictionary",
 138                                            "/mainWindow",
 139                                            "com.comarch.mdictionary",
 140                                            "showApplication");
 141     QDBusConnection::sessionBus().send(message);
 142 }
 143
 144
 145
 146 void HomeWidget::paintEvent(QPaintEvent *event) {
 147     //custom painting of rounded corners
 148     QPainter p(this);
 149     p.setBrush(QColor(0, 0, 0, 255));
 150
 151     p.setPen(Qt::NoPen);
 152
 153     p.drawRoundedRect(rect(), 25, 25);
 154
 155     p.end();
 156
 157     QWidget::paintEvent(event);
 158 }