src/qtui/topicwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2019 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
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   5  *   This program is free software; you can redistribute it and/or modify  *
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   8  *   (at your option) version 3.                                           *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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  20
  21 #include "topicwidget.h"
  22
  23 #include "client.h"
  24 #include "graphicalui.h"
  25 #include "icon.h"
  26 #include "networkmodel.h"
  27 #include "uisettings.h"
  28 #include "uistyle.h"
  29 #include "util.h"
  30
  31 TopicWidget::TopicWidget(QWidget* parent)
  32     : AbstractItemView(parent)
  33 {
  34     ui.setupUi(this);
  35     ui.topicEditButton->setIcon(icon::get("edit-rename"));
  36     ui.topicLineEdit->setLineWrapEnabled(true);
  37     ui.topicLineEdit->installEventFilter(this);
  38
  39     connect(ui.topicLabel, &StyledLabel::clickableActivated, this, &TopicWidget::clickableActivated);
  40     connect(ui.topicLineEdit, &MultiLineEdit::noTextEntered, this, &TopicWidget::on_topicLineEdit_textEntered);
  41
  42     UiSettings s("TopicWidget");
  43     s.notify("DynamicResize", this, &TopicWidget::updateResizeMode);
  44     s.notify("ResizeOnHover", this, &TopicWidget::updateResizeMode);
  45     updateResizeMode();
  46
  47     UiStyleSettings fs("Fonts");
  48     fs.notify("UseCustomTopicWidgetFont", this, &TopicWidget::setUseCustomFont);
  49     fs.notify("TopicWidget", this, selectOverload<const QVariant&>(&TopicWidget::setCustomFont));
  50     if (fs.value("UseCustomTopicWidgetFont", false).toBool())
  51         setCustomFont(fs.value("TopicWidget", QFont()));
  52
  53     _mouseEntered = false;
  54     _readonly = false;
  55 }
  56
  57 void TopicWidget::currentChanged(const QModelIndex& current, const QModelIndex& previous)
  58 {
  59     Q_UNUSED(previous);
  60     setTopic(current);
  61 }
  62
  63 void TopicWidget::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight)
  64 {
  65     QItemSelectionRange changedArea(topLeft, bottomRight);
  66     QModelIndex currentTopicIndex = selectionModel()->currentIndex().sibling(selectionModel()->currentIndex().row(), 1);
  67     if (changedArea.contains(currentTopicIndex))
  68         setTopic(selectionModel()->currentIndex());
  69 }
  70
  71 void TopicWidget::setUseCustomFont(const QVariant& v)
  72 {
  73     if (v.toBool()) {
  74         UiStyleSettings fs("Fonts");
  75         setCustomFont(fs.value("TopicWidget").value<QFont>());
  76     }
  77     else
  78         setCustomFont(QFont());
  79 }
  80
  81 void TopicWidget::setCustomFont(const QVariant& v)
  82 {
  83     UiStyleSettings fs("Fonts");
  84     if (!fs.value("UseCustomTopicWidgetFont", false).toBool())
  85         return;
  86
  87     setCustomFont(v.value<QFont>());
  88 }
  89
  90 void TopicWidget::setCustomFont(const QFont& f)
  91 {
  92     QFont font = f;
  93     if (font.family().isEmpty())
  94         font = QApplication::font();
  95
  96     ui.topicLineEdit->setCustomFont(font);
  97     ui.topicLabel->setCustomFont(font);
  98 }
  99
 100 void TopicWidget::setTopic(const QModelIndex& index)
 101 {
 102     QString newtopic;
 103     bool readonly = true;
 104
 105     BufferId id = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 106     if (id.isValid()) {
 107         QModelIndex index0 = index.sibling(index.row(), 0);
 108         const Network* network = Client::network(Client::networkModel()->networkId(id));
 109
 110         switch (Client::networkModel()->bufferType(id)) {
 111         case BufferInfo::StatusBuffer:
 112             if (network) {
 113                 newtopic = QString("%1 (%2) | %3 | %4")
 114                                .arg(network->networkName().toHtmlEscaped())
 115                                .arg(network->currentServer().toHtmlEscaped())
 116                                .arg(tr("Users: %1").arg(network->ircUsers().count()))
 117                                .arg(tr("Lag: %1 msecs").arg(network->latency()));
 118             }
 119             else {
 120                 newtopic = index0.data(Qt::DisplayRole).toString();
 121             }
 122             break;
 123
 124         case BufferInfo::ChannelBuffer:
 125             newtopic = index.sibling(index.row(), 1).data().toString();
 126             readonly = false;
 127             break;
 128
 129         case BufferInfo::QueryBuffer: {
 130             QString nickname = index0.data(Qt::DisplayRole).toString();
 131             if (network) {
 132                 const IrcUser* user = network->ircUser(nickname);
 133                 if (user) {
 134                     newtopic = QString("%1%2%3 | %4@%5")
 135                                    .arg(nickname)
 136                                    .arg(user->userModes().isEmpty() ? QString() : QString(" (+%1)").arg(user->userModes()))
 137                                    .arg(user->realName().isEmpty() ? QString() : QString(" | %1").arg(user->realName()))
 138                                    .arg(user->user())
 139                                    .arg(user->host());
 140                 }
 141                 else {  // no such user
 142                     newtopic = nickname;
 143                 }
 144             }
 145             else {  // no valid Network-Obj.
 146                 newtopic = nickname;
 147             }
 148             break;
 149         }
 150         default:
 151             newtopic = index0.data(Qt::DisplayRole).toString();
 152         }
 153     }
 154
 155     _topic = sanitizeTopic(newtopic);
 156     _readonly = readonly;
 157
 158     ui.topicEditButton->setVisible(!_readonly);
 159     ui.topicLabel->setText(_topic);
 160     ui.topicLineEdit->setPlainText(_topic);
 161     switchPlain();
 162 }
 163
 164 void TopicWidget::setReadOnly(const bool& readonly)
 165 {
 166     if (_readonly == readonly)
 167         return;
 168
 169     _readonly = readonly;
 170 }
 171
 172 void TopicWidget::updateResizeMode()
 173 {
 174     StyledLabel::ResizeMode mode = StyledLabel::NoResize;
 175     UiSettings s("TopicWidget");
 176     if (s.value("DynamicResize", true).toBool()) {
 177         if (s.value("ResizeOnHover", true).toBool())
 178             mode = StyledLabel::ResizeOnHover;
 179         else
 180             mode = StyledLabel::DynamicResize;
 181     }
 182
 183     ui.topicLabel->setResizeMode(mode);
 184 }
 185
 186 void TopicWidget::clickableActivated(const Clickable& click)
 187 {
 188     NetworkId networkId = selectionModel()->currentIndex().data(NetworkModel::NetworkIdRole).value<NetworkId>();
 189     UiStyle::StyledString sstr = GraphicalUi::uiStyle()->styleString(GraphicalUi::uiStyle()->mircToInternal(_topic),
 190                                                                      UiStyle::FormatType::PlainMsg);
 191     click.activate(networkId, sstr.plainText);
 192 }
 193
 194 void TopicWidget::on_topicLineEdit_textEntered()
 195 {
 196     QModelIndex currentIdx = currentIndex();
 197     if (currentIdx.isValid() && currentIdx.data(NetworkModel::BufferTypeRole) == BufferInfo::ChannelBuffer) {
 198         BufferInfo bufferInfo = currentIdx.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 199         if (ui.topicLineEdit->text().isEmpty())
 200             Client::userInput(bufferInfo, QString("/quote TOPIC %1 :").arg(bufferInfo.bufferName()));
 201         else
 202             Client::userInput(bufferInfo, QString("/topic %1").arg(ui.topicLineEdit->text()));
 203     }
 204     switchPlain();
 205 }
 206
 207 void TopicWidget::on_topicEditButton_clicked()
 208 {
 209     switchEditable();
 210 }
 211
 212 void TopicWidget::switchEditable()
 213 {
 214     ui.stackedWidget->setCurrentIndex(1);
 215     ui.topicLineEdit->setFocus();
 216     ui.topicLineEdit->moveCursor(QTextCursor::End, QTextCursor::MoveAnchor);
 217     updateGeometry();
 218 }
 219
 220 void TopicWidget::switchPlain()
 221 {
 222     ui.stackedWidget->setCurrentIndex(0);
 223     ui.topicLineEdit->setPlainText(_topic);
 224     updateGeometry();
 225     emit switchedPlain();
 226 }
 227
 228 // filter for the input widget to switch back to normal mode
 229 bool TopicWidget::eventFilter(QObject* obj, QEvent* event)
 230 {
 231     if (event->type() == QEvent::FocusOut && !_mouseEntered) {
 232         switchPlain();
 233         return true;
 234     }
 235
 236     if (event->type() == QEvent::Enter) {
 237         _mouseEntered = true;
 238     }
 239
 240     if (event->type() == QEvent::Leave) {
 241         _mouseEntered = false;
 242     }
 243
 244     if (event->type() != QEvent::KeyRelease)
 245         return QObject::eventFilter(obj, event);
 246
 247     auto* keyEvent = static_cast<QKeyEvent*>(event);
 248
 249     if (keyEvent->key() == Qt::Key_Escape) {
 250         switchPlain();
 251         return true;
 252     }
 253
 254     return false;
 255 }
 256
 257 QString TopicWidget::sanitizeTopic(const QString& topic)
 258 {
 259     // Normally, you don't have new lines in topic messages
 260     // But the use of "plain text" functionnality from Qt replaces
 261     // some unicode characters with a new line, which then triggers
 262     // a stack overflow later
 263     QString result(topic);
 264     result.replace(QChar::CarriageReturn, " ");
 265     result.replace(QChar::ParagraphSeparator, " ");
 266     result.replace(QChar::LineSeparator, " ");
 267
 268     return result;
 269 }