src/qtui/topicwidget.cpp

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   2  *   Copyright (C) 2005/06 by the Quassel Project                          *
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  20
  21 #include "topicwidget.h"
  22
  23 #include <QDebug>
  24
  25 TopicWidget::TopicWidget(QWidget *parent)
  26   : AbstractItemView(parent)
  27 {
  28   ui.setupUi(this);
  29   ui.topicLineEdit->hide();
  30   ui.topicLineEdit->installEventFilter(this);
  31   ui.topicButton->show();
  32 }
  33
  34 void TopicWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
  35   Q_UNUSED(previous);
  36   setTopic(current.sibling(current.row(), 1).data().toString());
  37 }
  38
  39 void TopicWidget::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
  40   QItemSelectionRange changedArea(topLeft, bottomRight);
  41   QModelIndex currentTopicIndex = selectionModel()->currentIndex().sibling(selectionModel()->currentIndex().row(), 1);
  42   if(changedArea.contains(currentTopicIndex))
  43     setTopic(currentTopicIndex.data().toString());
  44 };
  45
  46 void TopicWidget::setTopic(const QString &newtopic) {
  47   if(_topic == newtopic)
  48     return;
  49
  50   _topic = newtopic;
  51   ui.topicButton->setAndStyleText(newtopic);
  52   ui.topicLineEdit->setText(newtopic);
  53   switchPlain();
  54 }
  55
  56 void TopicWidget::on_topicLineEdit_returnPressed() {
  57   emit topicChanged(ui.topicLineEdit->text());
  58   switchPlain();
  59 }
  60
  61 void TopicWidget::on_topicButton_clicked() {
  62   switchEditable();
  63 }
  64
  65 void TopicWidget::switchEditable() {
  66   ui.topicButton->hide();
  67   ui.topicLineEdit->show();
  68   ui.topicLineEdit->setFocus();
  69 }
  70
  71 void TopicWidget::switchPlain() {
  72   ui.topicLineEdit->hide();
  73   ui.topicButton->show();
  74   ui.topicLineEdit->setText(_topic);
  75 }
  76
  77 // filter for the input widget to switch back to normal mode
  78 bool TopicWidget::eventFilter(QObject *obj, QEvent *event) {
  79   if(event->type() == QEvent::FocusOut) {
  80     switchPlain();
  81     return true;
  82   }
  83
  84   if(event->type() != QEvent::KeyPress)
  85     return QObject::eventFilter(obj, event);
  86
  87   QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
  88
  89   if(keyEvent->key() == Qt::Key_Escape) {
  90     switchPlain();
  91     return true;
  92   }
  93
  94   return false;
  95 }