src/qtui/topicwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005/06 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
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   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
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  20
  21 #include "topicwidget.h"
  22
  23 #include "client.h"
  24 #include "iconloader.h"
  25 #include "networkmodel.h"
  26 #include "uisettings.h"
  27
  28 TopicWidget::TopicWidget(QWidget *parent)
  29   : AbstractItemView(parent)
  30 {
  31   ui.setupUi(this);
  32   ui.topicEditButton->setIcon(SmallIcon("edit-rename"));
  33   ui.topicLineEdit->setWordWrapEnabled(true);
  34   ui.topicLineEdit->installEventFilter(this);
  35
  36   connect(ui.topicLabel, SIGNAL(clickableActivated(Clickable)), SLOT(clickableActivated(Clickable)));
  37   connect(ui.topicLineEdit, SIGNAL(noTextEntered()), SLOT(on_topicLineEdit_textEntered()));
  38
  39   UiSettings s("TopicWidget");
  40   s.notify("DynamicResize", this, SLOT(updateResizeMode()));
  41   s.notify("ResizeOnHover", this, SLOT(updateResizeMode()));
  42   updateResizeMode();
  43
  44   UiStyleSettings fs("Fonts");
  45   fs.notify("UseCustomTopicWidgetFont", this, SLOT(setUseCustomFont(QVariant)));
  46   fs.notify("TopicWidget", this, SLOT(setCustomFont(QVariant)));
  47   if(fs.value("UseCustomTopicWidgetFont", false).toBool())
  48     setCustomFont(fs.value("TopicWidget", QFont()));
  49
  50   _mouseEntered = false;
  51   _readonly = false;
  52 }
  53
  54 void TopicWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
  55   Q_UNUSED(previous);
  56   setTopic(current);
  57 }
  58
  59 void TopicWidget::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
  60   QItemSelectionRange changedArea(topLeft, bottomRight);
  61   QModelIndex currentTopicIndex = selectionModel()->currentIndex().sibling(selectionModel()->currentIndex().row(), 1);
  62   if(changedArea.contains(currentTopicIndex))
  63     setTopic(selectionModel()->currentIndex());
  64 };
  65
  66 void TopicWidget::setUseCustomFont(const QVariant &v) {
  67   if(v.toBool()) {
  68     UiStyleSettings fs("Fonts");
  69     setCustomFont(fs.value("TopicWidget").value<QFont>());
  70   } else
  71     setCustomFont(QFont());
  72 }
  73
  74 void TopicWidget::setCustomFont(const QVariant &v) {
  75   UiStyleSettings fs("Fonts");
  76   if(!fs.value("UseCustomTopicWidgetFont", false).toBool())
  77     return;
  78
  79   setCustomFont(v.value<QFont>());
  80 }
  81
  82 void TopicWidget::setCustomFont(const QFont &f) {
  83   QFont font = f;
  84   if(font.family().isEmpty())
  85     font = QApplication::font();
  86
  87   ui.topicLineEdit->setCustomFont(font);
  88   ui.topicLabel->setCustomFont(font);
  89 }
  90
  91 void TopicWidget::setTopic(const QModelIndex &index) {
  92   QString newtopic;
  93   bool readonly = true;
  94
  95   BufferId id = index.data(NetworkModel::BufferIdRole).value<BufferId>();
  96   if(id.isValid()) {
  97     QModelIndex index0 = index.sibling(index.row(), 0);
  98     const Network *network = Client::network(Client::networkModel()->networkId(id));
  99
 100     switch(Client::networkModel()->bufferType(id)) {
 101     case BufferInfo::StatusBuffer:
 102       if(network) {
 103         newtopic = QString("%1 (%2) | %3 | %4")
 104           .arg(Qt::escape(network->networkName()))
 105           .arg(Qt::escape(network->currentServer()))
 106           .arg(tr("Users: %1").arg(network->ircUsers().count()))
 107           .arg(tr("Lag: %1 msecs").arg(network->latency()));
 108       } else {
 109         newtopic = index0.data(Qt::DisplayRole).toString();
 110       }
 111       break;
 112
 113     case BufferInfo::ChannelBuffer:
 114       newtopic = index.sibling(index.row(), 1).data().toString();
 115       readonly = false;
 116       break;
 117
 118     case BufferInfo::QueryBuffer:
 119       {
 120         QString nickname = index0.data(Qt::DisplayRole).toString();
 121         if(network) {
 122           const IrcUser *user = network->ircUser(nickname);
 123           if(user) {
 124             newtopic = QString("%1%2%3 | %4@%5").arg(nickname)
 125               .arg(user->userModes().isEmpty() ? QString() : QString(" (+%1)").arg(user->userModes()))
 126               .arg(user->realName().isEmpty() ? QString() : QString(" | %1").arg(user->realName()))
 127               .arg(user->user())
 128             .arg(user->host());
 129           } else { // no such user
 130             newtopic = nickname;
 131           }
 132         } else { // no valid Network-Obj.
 133           newtopic = nickname;
 134         }
 135         break;
 136       }
 137     default:
 138       newtopic = index0.data(Qt::DisplayRole).toString();
 139     }
 140   }
 141
 142   _topic = newtopic;
 143   _readonly = readonly;
 144
 145   ui.topicEditButton->setVisible(!_readonly);
 146   ui.topicLabel->setText(newtopic);
 147   ui.topicLineEdit->setText(newtopic);
 148   switchPlain();
 149 }
 150
 151
 152 void TopicWidget::setReadOnly(const bool &readonly) {
 153   if(_readonly == readonly)
 154     return;
 155
 156   _readonly = readonly;
 157 }
 158
 159 void TopicWidget::updateResizeMode() {
 160   StyledLabel::ResizeMode mode = StyledLabel::NoResize;
 161   UiSettings s("TopicWidget");
 162   if(s.value("DynamicResize", true).toBool()) {
 163     if(s.value("ResizeOnHover", true).toBool())
 164       mode = StyledLabel::ResizeOnHover;
 165     else
 166       mode = StyledLabel::DynamicResize;
 167   }
 168
 169   ui.topicLabel->setResizeMode(mode);
 170 }
 171
 172 void TopicWidget::clickableActivated(const Clickable &click) {
 173   NetworkId networkId = selectionModel()->currentIndex().data(NetworkModel::NetworkIdRole).value<NetworkId>();
 174   click.activate(networkId, _topic);
 175 }
 176
 177 void TopicWidget::on_topicLineEdit_textEntered() {
 178   QModelIndex currentIdx = currentIndex();
 179   if(currentIdx.isValid() && currentIdx.data(NetworkModel::BufferTypeRole) == BufferInfo::ChannelBuffer) {
 180     BufferInfo bufferInfo = currentIdx.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 181     if(ui.topicLineEdit->text().isEmpty())
 182       Client::userInput(bufferInfo, QString("/quote TOPIC %1 :").arg(bufferInfo.bufferName()));
 183     else
 184       Client::userInput(bufferInfo, QString("/topic %1").arg(ui.topicLineEdit->text()));
 185   }
 186   switchPlain();
 187 }
 188
 189 void TopicWidget::on_topicEditButton_clicked() {
 190   switchEditable();
 191 }
 192
 193 void TopicWidget::switchEditable() {
 194   ui.stackedWidget->setCurrentIndex(1);
 195   ui.topicLineEdit->setFocus();
 196   ui.topicLineEdit->moveCursor(QTextCursor::End,QTextCursor::MoveAnchor);
 197   updateGeometry();
 198 }
 199
 200 void TopicWidget::switchPlain() {
 201   ui.stackedWidget->setCurrentIndex(0);
 202   ui.topicLineEdit->setText(_topic);
 203   updateGeometry();
 204   emit switchedPlain();
 205 }
 206
 207 // filter for the input widget to switch back to normal mode
 208 bool TopicWidget::eventFilter(QObject *obj, QEvent *event) {
 209
 210   if(event->type() == QEvent::FocusOut && !_mouseEntered) {
 211     switchPlain();
 212     return true;
 213   }
 214
 215   if(event->type() == QEvent::Enter) {
 216     _mouseEntered = true;
 217   }
 218
 219   if(event->type() == QEvent::Leave) {
 220     _mouseEntered = false;
 221   }
 222
 223   if(event->type() != QEvent::KeyRelease)
 224     return QObject::eventFilter(obj, event);
 225
 226   QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 227
 228   if(keyEvent->key() == Qt::Key_Escape) {
 229     switchPlain();
 230     return true;
 231   }
 232
 233   return false;
 234 }