* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#include "inputline.h"
+#include "bufferview.h"
+#include "inputline.h"
#include "tabcompleter.h"
InputLine::InputLine(QWidget *parent)
: QLineEdit(parent),
- idx(0)
+ idx(0),
+ tabCompleter(new TabCompleter(this))
{
- connect(this, SIGNAL(returnPressed()), this, SLOT(enter()));
- tabComplete = new TabCompleter(this);
+ connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
+ connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
}
InputLine::~InputLine() {
}
+bool InputLine::eventFilter(QObject *watched, QEvent *event) {
+ if(event->type() != QEvent::KeyPress)
+ return false;
+
+ // keys from BufferView should be sent to (and focus) the input line
+ BufferView *view = qobject_cast<BufferView *>(watched);
+ if(view) {
+ QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
+ if(keyEvent->text().length() == 1 && !(keyEvent->modifiers() & (Qt::ControlModifier ^ Qt::AltModifier)) ) { // normal key press
+ QChar c = keyEvent->text().at(0);
+ if(c.isLetterOrNumber() || c.isSpace() || c.isPunct() || c.isSymbol()) {
+ setFocus();
+ keyPressEvent(keyEvent);
+ return true;
+ } else
+ return false;
+ }
+ }
+ return false;
+}
+
void InputLine::keyPressEvent(QKeyEvent * event) {
- if(event->key() == Qt::Key_Tab) { // Tabcomplete
- tabComplete->complete();
+ switch(event->key()) {
+ case Qt::Key_Up:
event->accept();
- } else {
- tabComplete->reset();
- if(event->key() == Qt::Key_Up) {
- if(idx > 0) { idx--; setText(history[idx]); }
- event->accept();
- } else if(event->key() == Qt::Key_Down) {
- if(idx < history.count()) idx++;
- if(idx < history.count()) setText(history[idx]);
- else setText("");
- event->accept();
- } else if(event->key() == Qt::Key_Select) { // for Qtopia
- emit returnPressed();
- QLineEdit::keyPressEvent(event);
+
+ addToHistory(text(), true);
+
+ if(idx > 0) {
+ idx--;
+ showHistoryEntry();
+ }
+
+ break;
+
+ case Qt::Key_Down:
+ event->accept();
+
+ addToHistory(text(), true);
+
+ if(idx < history.count()) {
+ idx++;
+ if(idx < history.count() || tempHistory.contains(idx)) // tempHistory might have an entry for idx == history.count() + 1
+ showHistoryEntry();
+ else
+ resetLine(); // equals clear() in this case
} else {
- QLineEdit::keyPressEvent(event);
+ addToHistory(text());
+ resetLine();
}
+
+ break;
+
+ case Qt::Key_Select: // for Qtopia
+ emit returnPressed();
+
+ default:
+ QLineEdit::keyPressEvent(event);
}
}
-bool InputLine::event(QEvent *e) {
- if(e->type() == QEvent::KeyPress) {
- keyPressEvent(static_cast<QKeyEvent*>(e));
+bool InputLine::addToHistory(const QString &text, bool temporary) {
+ if(text.isEmpty())
+ return false;
+
+ Q_ASSERT(0 <= idx && idx <= history.count());
+
+ if(history.isEmpty() || text != history[idx - (int)(idx == history.count())]) {
+ // if an entry of the history is changed, we remember it and show it again at this
+ // position until a line was actually sent
+ // sent lines get appended to the history
+ if(temporary) {
+ tempHistory[idx] = text;
+ } else {
+ history << text;
+ tempHistory.clear();
+ }
return true;
+ } else {
+ return false;
+ }
+}
+
+void InputLine::on_returnPressed() {
+ addToHistory(text());
+ emit sendText(text());
+ resetLine();
+}
+
+void InputLine::on_textChanged(QString newText) {
+ QStringList lineSeparators;
+ lineSeparators << QString("\r\n")
+ << QString('\n')
+ << QString('\r');
+
+ QString lineSep;
+ foreach(QString separator, lineSeparators) {
+ if(newText.contains(separator)) {
+ lineSep = separator;
+ break;
+ }
+ }
+
+ if(lineSep.isEmpty())
+ return;
+
+ QStringList lines = newText.split(lineSep);
+ clear();
+
+ if(lines.count() >= 4) {
+ QString msg = tr("Do you really want to paste %1 lines?").arg(lines.count());
+ msg += "<p>";
+ for(int i = 0; i < 3; i++) {
+ msg += lines[i].left(40);
+ if(lines[i].count() > 40)
+ msg += "...";
+ msg += "<br />";
+ }
+ msg += "...</p>";
+ QMessageBox question(QMessageBox::NoIcon, tr("Paste Protection"), msg, QMessageBox::Yes|QMessageBox::No);
+ question.setDefaultButton(QMessageBox::No);
+#ifdef Q_WS_MAC
+ question.setWindowFlags(question.windowFlags() | Qt::Sheet);
+#endif
+ if(question.exec() == QMessageBox::No)
+ return;
+ }
+
+ foreach(QString line, lines) {
+ clear();
+ insert(line);
+ emit returnPressed();
}
- return QLineEdit::event(e);
+// if(newText.contains(lineSep)) {
+// clear();
+// QString line = newText.section(lineSep, 0, 0);
+// QString remainder = newText.section(lineSep, 1);
+// insert(line);
+// emit returnPressed();
+// insert(remainder);
+// }
}
-void InputLine::enter() {
- history << text();
+void InputLine::resetLine() {
+ // every time the InputLine is cleared we also reset history index
idx = history.count();
+ clear();
}
-void InputLine::updateNickList(QStringList l) {
- nickList = l;
- emit nickListUpdated(l);
+void InputLine::showHistoryEntry() {
+ // if the user changed the history, display the changed line
+ tempHistory.contains(idx) ? setText(tempHistory[idx]) : setText(history[idx]);
}