X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=src%2Fuisupport%2Finputline.cpp;h=501ee605e41ff8f5f663c2fe57ccb2b4b1845a72;hb=c639f2b13b485c0d158ee3857742eaf4d1fa4760;hp=7511e07a32227d0701b1335a2d0260198d926417;hpb=50706d89d4d60e258ebb6873d3778383621898e4;p=quassel.git

diff --git a/src/uisupport/inputline.cpp b/src/uisupport/inputline.cpp
index 7511e07a..501ee605 100644
--- a/src/uisupport/inputline.cpp
+++ b/src/uisupport/inputline.cpp
@@ -18,58 +18,250 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#include "inputline.h"
+#include <QApplication>
+#include <QMenu>
+#include <QMessageBox>
 
+#include "bufferview.h"
+#include "graphicalui.h"
+#include "inputline.h"
 #include "tabcompleter.h"
 
+const int leftMargin = 3;
+
 InputLine::InputLine(QWidget *parent)
-  : QLineEdit(parent),
-    idx(0)
+  :
+#ifdef HAVE_KDE
+    KTextEdit(parent),
+#else
+    QTextEdit(parent),
+#endif
+    idx(0),
+    tabCompleter(new TabCompleter(this))
 {
-  connect(this, SIGNAL(returnPressed()), this, SLOT(enter()));
-  tabComplete = new TabCompleter(this);
+  // Make the QTextEdit look like a QLineEdit
+#if QT_VERSION >= 0x040500
+  document()->setDocumentMargin(0); // new in Qt 4.5 and we really don't want it here
+#endif
+  setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  setAcceptRichText(false);
+  setLineWrapMode(NoWrap);
+#ifdef HAVE_KDE
+  enableFindReplace(false);
+#endif
+  resetLine();
+
+  connect(this, SIGNAL(textChanged()), this, SLOT(on_textChanged()));
+  connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
+  connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
 }
 
 InputLine::~InputLine() {
 }
 
+void InputLine::setCustomFont(const QFont &font) {
+  setFont(font);
+}
+
+QSize InputLine::sizeHint() const {
+  // use the style to determine a decent size
+  QFontMetrics fm(font());
+  int h = fm.lineSpacing() + 2 * frameWidth();
+  QStyleOptionFrameV2 opt;
+  opt.initFrom(this);
+  opt.rect = QRect(0, 0, 100, h);
+  opt.lineWidth = lineWidth();
+  opt.midLineWidth = midLineWidth();
+  opt.state |= QStyle::State_Sunken;
+  QSize s = style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(100, h).expandedTo(QApplication::globalStrut()), this);
+  return s;
+}
+
+QSize InputLine::minimumSizeHint() const {
+  return sizeHint();
+}
+
+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();
-    event->accept();
-  } else {
-    tabComplete->reset();
-    if(event->key() == Qt::Key_Up) {
-      if(idx > 0) { idx--; setText(history[idx]); }
+  if(event->matches(QKeySequence::Find)) {
+    QAction *act = GraphicalUi::actionCollection()->action("ToggleSearchBar");
+    if(act) {
+      act->toggle();
       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);
+      return;
+    }
+  }
+
+  switch(event->key()) {
+  case Qt::Key_Up:
+    event->accept();
+
+    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_Return:
+  case Qt::Key_Enter:
+  case Qt::Key_Select:
+    event->accept();
+    emit returnPressed();
+    break;
+
+  default:
+    QTextEdit::keyPressEvent(event);
   }
 }
 
-bool InputLine::event(QEvent *e) {
-  if(e->type() == QEvent::KeyPress) {
-    keyPressEvent(static_cast<QKeyEvent*>(e));
-    return true;
+bool InputLine::addToHistory(const QString &text, bool temporary) {
+  if(text.isEmpty())
+    return false;
+
+  Q_ASSERT(0 <= idx && idx <= history.count());
+
+  if(temporary) {
+    // 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(history.isEmpty() || text != history[idx - (int)(idx == history.count())]) {
+      tempHistory[idx] = text;
+      return true;
+    }
+  } else {
+    if(history.isEmpty() || text != history.last()) {
+      history << text;
+      tempHistory.clear();
+      return true;
+    }
   }
-  return QLineEdit::event(e);
+  return false;
+}
+
+void InputLine::on_returnPressed() {
+  if(!text().isEmpty()) {
+    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, QString::SkipEmptyParts);
+
+  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); // Qt::Sheet is not ignored on other platforms as it should :/
+#endif
+    if(question.exec() == QMessageBox::No) {
+      clear();
+      return;
+    }
+  }
+
+  foreach(QString line, lines) {
+    if(!line.isEmpty()) {
+      resetLine();
+      insert(line);
+      emit returnPressed();
+    }
+  }
+
+//   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();
+  QTextBlockFormat format = textCursor().blockFormat();
+  format.setLeftMargin(leftMargin); // we want a little space between the frame and the contents
+  textCursor().setBlockFormat(format);
 }
 
-void InputLine::updateNickList(QStringList l) {
-  nickList = l;
-  emit nickListUpdated(l);
+void InputLine::showHistoryEntry() {
+  // if the user changed the history, display the changed line
+  setPlainText(tempHistory.contains(idx) ? tempHistory[idx] : history[idx]);
+  QTextCursor cursor = textCursor();
+  QTextBlockFormat format = cursor.blockFormat();
+  format.setLeftMargin(leftMargin); // we want a little space between the frame and the contents
+  cursor.setBlockFormat(format);
+  cursor.movePosition(QTextCursor::End);
+  setTextCursor(cursor);
 }