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   setTopicForIndex(current);
  37 }
  38
  39 void TopicWidget::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
  40   QItemSelectionRange changedArea(topLeft, bottomRight);
  41   QModelIndex currentIndex = selectionModel()->currentIndex();
  42   if(changedArea.contains(currentIndex))
  43     setTopicForIndex(currentIndex);
  44 };
  45
  46 void TopicWidget::setTopicForIndex(const QModelIndex &index) {
  47   QModelIndex topicIndex = index.sibling(index.row(), 1);
  48   setTopic(topicIndex.data().toString());
  49 }
  50
  51 void TopicWidget::setTopic(const QString &newtopic) {
  52   if(_topic == newtopic)
  53     return;
  54
  55   _topic = newtopic;
  56   ui.topicButton->setAndStyleText(newtopic);
  57   ui.topicLineEdit->setText(newtopic);
  58   switchPlain();
  59 }
  60
  61 void TopicWidget::on_topicLineEdit_returnPressed() {
  62   emit topicChanged(ui.topicLineEdit->text());
  63   switchPlain();
  64 }
  65
  66 void TopicWidget::on_topicButton_clicked() {
  67   switchEditable();
  68 }
  69
  70 void TopicWidget::switchEditable() {
  71   ui.topicButton->hide();
  72   ui.topicLineEdit->show();
  73   ui.topicLineEdit->setFocus();
  74 }
  75
  76 void TopicWidget::switchPlain() {
  77   ui.topicLineEdit->hide();
  78   ui.topicButton->show();
  79   ui.topicLineEdit->setText(_topic);
  80 }
  81
  82 // filter for the input widget to switch back to normal mode
  83 bool TopicWidget::eventFilter(QObject *obj, QEvent *event) {
  84   if(event->type() == QEvent::FocusOut) {
  85     switchPlain();
  86     return true;
  87   }
  88
  89   if(event->type() != QEvent::KeyPress)
  90     return QObject::eventFilter(obj, event);
  91
  92   QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
  93
  94   if(keyEvent->key() == Qt::Key_Escape) {
  95     switchPlain();
  96     return true;
  97   }
  98
  99   return false;
 100 }