* 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)
idx(0),
tabCompleter(new TabCompleter(this))
{
-
- installEventFilter(tabCompleter);
-
-#ifdef Q_WS_MAC
- bindModifier = Qt::ControlModifier | Qt::AltModifier;
- jumpModifier = Qt::ControlModifier;
-#else
- bindModifier = Qt::ControlModifier;
- jumpModifier = Qt::AltModifier;
-#endif
-
connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
-
}
InputLine::~InputLine() {
}
-void InputLine::keyPressEvent(QKeyEvent * event) {
- if((event->modifiers() == jumpModifier || event->modifiers() == bindModifier) &&
- (Qt::Key_0 <= event->key() && event->key() <= Qt::Key_9)) {
- event->ignore();
- return;
+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;
+ }
}
-
- if(event->key() == Qt::Key_Up) {
- if(idx > 0) { idx--; setText(history[idx]); }
+ return false;
+}
+
+void InputLine::keyPressEvent(QKeyEvent * event) {
+ switch(event->key()) {
+ case Qt::Key_Up:
event->accept();
- } else if(event->key() == Qt::Key_Down) {
- if(idx < history.count()) idx++;
- if(idx < history.count()) setText(history[idx]);
- else setText("");
+
+ addToHistory(text(), true);
+
+ if(idx > 0) {
+ idx--;
+ showHistoryEntry();
+ }
+
+ break;
+
+ case Qt::Key_Down:
event->accept();
- } else if(event->key() == Qt::Key_Select) { // for Qtopia
+
+ 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 {
+ addToHistory(text());
+ resetLine();
+ }
+
+ break;
+
+ case Qt::Key_Select: // for Qtopia
emit returnPressed();
- QLineEdit::keyPressEvent(event);
- } else {
+
+ default:
QLineEdit::keyPressEvent(event);
}
+}
+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() {
- history << text();
- idx = history.count();
+ addToHistory(text());
emit sendText(text());
- clear();
+ resetLine();
}
void InputLine::on_textChanged(QString newText) {
- QStringList lineSeperators;
- lineSeperators << QString("\r\n")
+ QStringList lineSeparators;
+ lineSeparators << QString("\r\n")
<< QString('\n')
<< QString('\r');
-
+
QString lineSep;
- foreach(QString seperator, lineSeperators) {
- if(newText.contains(seperator)) {
- lineSep = seperator;
+ foreach(QString separator, lineSeparators) {
+ if(newText.contains(separator)) {
+ lineSep = separator;
break;
}
}
if(lineSep.isEmpty())
return;
-
- if(newText.contains(lineSep)) {
+
+ QStringList lines = newText.split(lineSep);
+ clear();
+
+ if(lines.count() >= 4) {
+ QString msg = tr("Do you really want to paste %n lines?", "", 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();
- QString line = newText.section(lineSep, 0, 0);
- QString remainder = newText.section(lineSep, 1);
insert(line);
emit returnPressed();
- insert(remainder);
}
-
+// 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::resetLine() {
+ // every time the InputLine is cleared we also reset history index
+ idx = history.count();
+ clear();
}
+void InputLine::showHistoryEntry() {
+ // if the user changed the history, display the changed line
+ tempHistory.contains(idx) ? setText(tempHistory[idx]) : setText(history[idx]);
+}