Fix #984 without breaking topic input
[quassel.git] / src / qtui / inputwidget.cpp
index d232182..d325578 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-2010 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
 
 #include "inputwidget.h"
 
-#include "ircuser.h"
+#include "action.h"
+#include "actioncollection.h"
+#include "bufferview.h"
 #include "client.h"
+#include "iconloader.h"
+#include "ircuser.h"
 #include "networkmodel.h"
-#include "jumpkeyhandler.h"
+#include "qtui.h"
+#include "qtuisettings.h"
+#include "tabcompleter.h"
+#include <QPainter>
 
+const int leftMargin = 3;
 
 InputWidget::InputWidget(QWidget *parent)
   : AbstractItemView(parent),
-    validBuffer(false)
+    _networkId(0)
 {
   ui.setupUi(this);
-  connect(ui.inputEdit, SIGNAL(sendText(QString)), this, SLOT(sendText(QString)));
   connect(ui.ownNick, SIGNAL(activated(QString)), this, SLOT(changeNick(QString)));
-  connect(this, SIGNAL(userInput(BufferInfo, QString)), Client::instance(), SIGNAL(sendInput(BufferInfo, QString)));
+
+  layout()->setAlignment(ui.ownNick, Qt::AlignBottom);
+  layout()->setAlignment(ui.inputEdit, Qt::AlignBottom);
+  layout()->setAlignment(ui.showStyleButton, Qt::AlignBottom);
+  layout()->setAlignment(ui.styleFrame, Qt::AlignBottom);
+
+  ui.styleFrame->setVisible(false);
+
   setFocusProxy(ui.inputEdit);
+  ui.ownNick->setFocusProxy(ui.inputEdit);
 
+  ui.ownNick->setSizeAdjustPolicy(QComboBox::AdjustToContents);
   ui.ownNick->installEventFilter(new MouseWheelFilter(this));
-  ui.inputEdit->installEventFilter(new JumpKeyHandler(this));  
+  ui.inputEdit->installEventFilter(this);
+
+  ui.inputEdit->setMinHeight(1);
+  ui.inputEdit->setMaxHeight(5);
+  ui.inputEdit->setMode(MultiLineEdit::MultiLine);
+  ui.inputEdit->setPasteProtectionEnabled(true);
+
+  ui.boldButton->setIcon(SmallIcon("format-text-bold"));
+  ui.italicButton->setIcon(SmallIcon("format-text-italic"));
+  ui.underlineButton->setIcon(SmallIcon("format-text-underline"));
+  ui.textcolorButton->setIcon(SmallIcon("format-text-color"));
+  ui.highlightcolorButton->setIcon(SmallIcon("format-fill-color"));
+
+  _colorMenu = new QMenu();
+  _colorFillMenu = new QMenu();
+
+  QStringList names;
+  names << tr("White") << tr("Black") << tr("Dark blue") << tr("Dark green") << tr("Red") << tr("Dark red") << tr("Dark magenta")  << tr("Orange")
+  << tr("Yellow") << tr("Green") << tr("Dark cyan") << tr("Cyan") << tr("Blue") << tr("Magenta") << tr("Dark gray") << tr("Light gray");
+
+  QPixmap pix(16, 16);
+  for (int i = 0; i < inputLine()->mircColorMap().count(); i++) {
+    pix.fill(inputLine()->mircColorMap().values()[i]);
+    _colorMenu->addAction(pix, names[i])->setData(inputLine()->mircColorMap().keys()[i]);
+    _colorFillMenu->addAction(pix, names[i])->setData(inputLine()->mircColorMap().keys()[i]);
+  }
+
+  pix.fill(Qt::transparent);
+  _colorMenu->addAction(pix, tr("Clear Color"))->setData("");
+  _colorFillMenu->addAction(pix, tr("Clear Color"))->setData("");
+
+  ui.textcolorButton->setMenu(_colorMenu);
+  connect(_colorMenu, SIGNAL(triggered(QAction*)), this, SLOT(colorChosen(QAction*)));
+  ui.highlightcolorButton->setMenu(_colorFillMenu);
+  connect(_colorFillMenu, SIGNAL(triggered(QAction*)), this, SLOT(colorHighlightChosen(QAction*)));
+
+  new TabCompleter(ui.inputEdit);
+
+  UiStyleSettings fs("Fonts");
+  fs.notify("UseCustomInputWidgetFont", this, SLOT(setUseCustomFont(QVariant)));
+  fs.notify("InputWidget", this, SLOT(setCustomFont(QVariant)));
+  if(fs.value("UseCustomInputWidgetFont", false).toBool())
+    setCustomFont(fs.value("InputWidget", QFont()));
+
+  UiSettings s("InputWidget");
+
+#ifdef HAVE_KDE
+  s.notify("EnableSpellCheck", this, SLOT(setEnableSpellCheck(QVariant)));
+  setEnableSpellCheck(s.value("EnableSpellCheck", false));
+#endif
+
+  s.notify("EnableEmacsMode", this, SLOT(setEnableEmacsMode(QVariant)));
+  setEnableEmacsMode(s.value("EnableEmacsMode", false));
+
+  s.notify("ShowNickSelector", this, SLOT(setShowNickSelector(QVariant)));
+  setShowNickSelector(s.value("ShowNickSelector", true));
+
+  s.notify("ShowStyleButtons", this, SLOT(setShowStyleButtons(QVariant)));
+  setShowStyleButtons(s.value("ShowStyleButtons", true));
+
+  s.notify("EnablePerChatHistory", this, SLOT(setEnablePerChatHistory(QVariant)));
+  setEnablePerChatHistory(s.value("EnablePerChatHistory", false));
+
+  s.notify("MaxNumLines", this, SLOT(setMaxLines(QVariant)));
+  setMaxLines(s.value("MaxNumLines", 5));
+
+  s.notify("EnableScrollBars", this, SLOT(setScrollBarsEnabled(QVariant)));
+  setScrollBarsEnabled(s.value("EnableScrollBars", true));
+
+  s.notify("EnableMultiLine", this, SLOT(setMultiLineEnabled(QVariant)));
+  setMultiLineEnabled(s.value("EnableMultiLine", true));
+
+  ActionCollection *coll = QtUi::actionCollection();
+
+  Action *activateInputline = coll->add<Action>("FocusInputLine");
+  connect(activateInputline, SIGNAL(triggered()), SLOT(setFocus()));
+  activateInputline->setText(tr("Focus Input Line"));
+  activateInputline->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_L));
+
+  connect(inputLine(), SIGNAL(textEntered(QString)), SLOT(onTextEntered(QString)), Qt::QueuedConnection); // make sure the line is already reset, bug #984
+  connect(inputLine(), SIGNAL(currentCharFormatChanged(QTextCharFormat)), this, SLOT(currentCharFormatChanged(QTextCharFormat)));
 }
 
 InputWidget::~InputWidget() {
 }
 
+void InputWidget::setUseCustomFont(const QVariant &v) {
+  if(v.toBool()) {
+    UiStyleSettings fs("Fonts");
+    setCustomFont(fs.value("InputWidget"));
+  } else
+    setCustomFont(QFont());
+}
+
+void InputWidget::setCustomFont(const QVariant &v) {
+  QFont font = v.value<QFont>();
+  if(font.family().isEmpty())
+    font = QApplication::font();
+  // we don't want font styles as this conflics with mirc code richtext editing
+  font.setBold(false);
+  font.setItalic(false);
+  font.setUnderline(false);
+  font.setStrikeOut(false);
+  ui.inputEdit->setCustomFont(font);
+}
+
+void InputWidget::setEnableSpellCheck(const QVariant &v) {
+  ui.inputEdit->setSpellCheckEnabled(v.toBool());
+}
+
+void InputWidget::setEnableEmacsMode(const QVariant &v) {
+  ui.inputEdit->setEmacsMode(v.toBool());
+}
+
+void InputWidget::setShowNickSelector(const QVariant &v) {
+  ui.ownNick->setVisible(v.toBool());
+}
+
+void InputWidget::setShowStyleButtons(const QVariant &v) {
+  ui.showStyleButton->setVisible(v.toBool());
+}
+
+void InputWidget::setEnablePerChatHistory(const QVariant &v) {
+  _perChatHistory = v.toBool();
+}
+
+void InputWidget::setMaxLines(const QVariant &v) {
+  ui.inputEdit->setMaxHeight(v.toInt());
+}
+
+void InputWidget::setScrollBarsEnabled(const QVariant &v) {
+  ui.inputEdit->setScrollBarsEnabled(v.toBool());
+}
+
+void InputWidget::setMultiLineEnabled(const QVariant &v) {
+  ui.inputEdit->setMode(v.toBool()? MultiLineEdit::MultiLine : MultiLineEdit::SingleLine);
+}
+
+bool InputWidget::eventFilter(QObject *watched, QEvent *event) {
+  if(event->type() != QEvent::KeyPress)
+    return false;
+
+  QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
+
+  // keys from BufferView should be sent to (and focus) the input line
+  BufferView *view = qobject_cast<BufferView *>(watched);
+  if(view) {
+    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();
+        QCoreApplication::sendEvent(inputLine(), keyEvent);
+        return true;
+      }
+    }
+    return false;
+  } else if(watched == ui.inputEdit) {
+    if(keyEvent->matches(QKeySequence::Find)) {
+      QAction *act = GraphicalUi::actionCollection()->action("ToggleSearchBar");
+      if(act) {
+        act->toggle();
+        return true;
+      }
+    }
+    return false;
+  }
+  return false;
+}
+
 void InputWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
-  if(current.data(NetworkModel::BufferInfoRole) == previous.data(NetworkModel::BufferInfoRole))
+  BufferId currentBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
+  BufferId previousBufferId = previous.data(NetworkModel::BufferIdRole).value<BufferId>();
+
+  if (_perChatHistory) {
+    //backup
+    historyMap[previousBufferId].history = inputLine()->history();
+    historyMap[previousBufferId].tempHistory = inputLine()->tempHistory();
+    historyMap[previousBufferId].idx = inputLine()->idx();
+    historyMap[previousBufferId].inputLine = inputLine()->html();
+
+    //restore
+    inputLine()->setHistory(historyMap[currentBufferId].history);
+    inputLine()->setTempHistory(historyMap[currentBufferId].tempHistory);
+    inputLine()->setIdx(historyMap[currentBufferId].idx);
+    inputLine()->setHtml(historyMap[currentBufferId].inputLine);
+    inputLine()->moveCursor(QTextCursor::End,QTextCursor::MoveAnchor);
+
+    // FIXME this really should be in MultiLineEdit (and the const int on top removed)
+    QTextBlockFormat format = inputLine()->textCursor().blockFormat();
+    format.setLeftMargin(leftMargin); // we want a little space between the frame and the contents
+    inputLine()->textCursor().setBlockFormat(format);
+  }
+
+  NetworkId networkId = current.data(NetworkModel::NetworkIdRole).value<NetworkId>();
+  if(networkId == _networkId)
     return;
 
-  setNetwork(Client::networkModel()->networkByIndex(current));
+  setNetwork(networkId);
   updateNickSelector();
-  ui.inputEdit->setEnabled(current.data(NetworkModel::ItemActiveRole).value<bool>());
+  updateEnabledState();
 }
 
 void InputWidget::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
   QItemSelectionRange changedArea(topLeft, bottomRight);
-  QModelIndex currentIndex = selectionModel()->currentIndex();
-  if(changedArea.contains(currentIndex)) {
-    ui.inputEdit->setEnabled(currentIndex.data(NetworkModel::ItemActiveRole).value<bool>());
+  if(changedArea.contains(selectionModel()->currentIndex())) {
+    updateEnabledState();
   }
 };
 
+void InputWidget::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
+  NetworkId networkId;
+  QModelIndex child;
+  for(int row = start; row <= end; row++) {
+    child = model()->index(row, 0, parent);
+    if(NetworkModel::NetworkItemType != child.data(NetworkModel::ItemTypeRole).toInt())
+      continue;
+    networkId = child.data(NetworkModel::NetworkIdRole).value<NetworkId>();
+    if(networkId == _networkId) {
+      setNetwork(0);
+      updateNickSelector();
+      return;
+    }
+  }
+}
+
 
-const Network *InputWidget::currentNetwork() const {
-  if(!validBuffer)
-    return 0;
+void InputWidget::updateEnabledState() {
+// FIXME: Find a visualization for this that does not disable the widget!
+//        Disabling kills global action shortcuts, plus users sometimes need/want to enter text
+//        even in inactive channels.
+#if 0
+  QModelIndex currentIndex = selectionModel()->currentIndex();
 
+  const Network *net = Client::networkModel()->networkByIndex(currentIndex);
+  bool enabled = false;
+  if(net) {
+    // disable inputline if it's a channelbuffer we parted from or...
+    enabled = (currentIndex.data(NetworkModel::ItemActiveRole).value<bool>() || (currentIndex.data(NetworkModel::BufferTypeRole).toInt() != BufferInfo::ChannelBuffer));
+    // ... if we're not connected to the network at all
+    enabled &= net->isConnected();
+  }
+
+  ui.inputEdit->setEnabled(enabled);
+#endif
+}
+
+const Network *InputWidget::currentNetwork() const {
   return Client::network(_networkId);
 }
 
@@ -72,8 +307,8 @@ BufferInfo InputWidget::currentBufferInfo() const {
   return selectionModel()->currentIndex().data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 };
 
-void InputWidget::setNetwork(const Network *network) {
-  if(!network || _networkId == network->networkId())
+void InputWidget::setNetwork(NetworkId networkId) {
+  if(_networkId == networkId)
     return;
 
   const Network *previousNet = Client::network(_networkId);
@@ -83,20 +318,35 @@ void InputWidget::setNetwork(const Network *network) {
       disconnect(previousNet->me(), 0, this, 0);
   }
 
+  _networkId = networkId;
+
+  const Network *network = Client::network(networkId);
   if(network) {
-    _networkId = network->networkId();
     connect(network, SIGNAL(identitySet(IdentityId)), this, SLOT(setIdentity(IdentityId)));
-    if(network->me()) {
-      connect(network->me(), SIGNAL(nickSet(QString)), this, SLOT(updateNickSelector()));
-      connect(network->me(), SIGNAL(userModesSet(QString)), this, SLOT(updateNickSelector()));
-      connect(network->me(), SIGNAL(userModesAdded(QString)), this, SLOT(updateNickSelector()));
-      connect(network->me(), SIGNAL(userModesRemoved(QString)), this, SLOT(updateNickSelector()));
-    }
+    connectMyIrcUser();
+    setIdentity(network->identity());
+  } else {
+    setIdentity(0);
+    _networkId = 0;
+  }
+}
+
+void InputWidget::connectMyIrcUser() {
+  const Network *network = currentNetwork();
+  if(network->me()) {
+    connect(network->me(), SIGNAL(nickSet(const QString &)), this, SLOT(updateNickSelector()));
+    connect(network->me(), SIGNAL(userModesSet(QString)), this, SLOT(updateNickSelector()));
+    connect(network->me(), SIGNAL(userModesAdded(QString)), this, SLOT(updateNickSelector()));
+    connect(network->me(), SIGNAL(userModesRemoved(QString)), this, SLOT(updateNickSelector()));
+    connect(network->me(), SIGNAL(awaySet(bool)), this, SLOT(updateNickSelector()));
+    disconnect(network, SIGNAL(myNickSet(const QString &)), this, SLOT(connectMyIrcUser()));
+    updateNickSelector();
+  } else {
+    connect(network, SIGNAL(myNickSet(const QString &)), this, SLOT(connectMyIrcUser()));
   }
-  setIdentity(network->identity());
 }
 
-void InputWidget::setIdentity(const IdentityId &identityId) {
+void InputWidget::setIdentity(IdentityId identityId) {
   if(_identityId == identityId)
     return;
 
@@ -104,11 +354,13 @@ void InputWidget::setIdentity(const IdentityId &identityId) {
   if(previousIdentity)
     disconnect(previousIdentity, 0, this, 0);
 
+  _identityId = identityId;
+
   const Identity *identity = Client::identity(identityId);
   if(identity) {
-    _identityId = identityId;
-    connect(identity, SIGNAL(nicksSet(QStringList)),
-           this, SLOT(updateNickSelector()));
+    connect(identity, SIGNAL(nicksSet(QStringList)), this, SLOT(updateNickSelector()));
+  } else {
+    _identityId = 0;
   }
   updateNickSelector();
 }
@@ -122,7 +374,7 @@ void InputWidget::updateNickSelector() const {
 
   const Identity *identity = Client::identity(net->identity());
   if(!identity) {
-    qWarning() << "InputWidget::updateNickSelector(): can't find Identity for Network" << net->networkId();
+    qWarning() << "InputWidget::updateNickSelector(): can't find Identity for Network" << net->networkId() << "IdentityId:" << net->identity();
     return;
   }
 
@@ -133,10 +385,21 @@ void InputWidget::updateNickSelector() const {
     nickIdx = 0;
   }
 
-  if(net->me() && nickIdx < nicks.count())
-    nicks[nickIdx] = net->myNick() + QString(" (%1)").arg(net->me()->userModes());
-      
+  if(nicks.isEmpty())
+    return;
+
+  IrcUser *me = net->me();
+  if(me) {
+    nicks[nickIdx] = net->myNick();
+    if(!me->userModes().isEmpty())
+      nicks[nickIdx] += QString(" (+%1)").arg(me->userModes());
+  }
+
   ui.ownNick->addItems(nicks);
+
+  if(me && me->isAway())
+    ui.ownNick->setItemData(nickIdx, SmallIcon("user-away"), Qt::DecorationRole);
+
   ui.ownNick->setCurrentIndex(nickIdx);
 }
 
@@ -144,13 +407,138 @@ void InputWidget::changeNick(const QString &newNick) const {
   const Network *net = currentNetwork();
   if(!net || net->isMyNick(newNick))
     return;
-  emit userInput(currentBufferInfo(), QString("/nick %1").arg(newNick));
+
+  // we reset the nick selecter as we have no confirmation yet, that this will succeed.
+  // if the action succeeds it will be properly updated anyways.
+  updateNickSelector();
+  Client::userInput(BufferInfo::fakeStatusBuffer(net->networkId()), QString("/NICK %1").arg(newNick));
+}
+
+void InputWidget::onTextEntered(const QString &text) {
+  Client::userInput(currentBufferInfo(), text);
+  ui.boldButton->setChecked(false);
+  ui.underlineButton->setChecked(false);
+  ui.italicButton->setChecked(false);
+
+  QTextCharFormat fmt;
+  fmt.setFontWeight(QFont::Normal);
+  fmt.setFontUnderline(false);
+  fmt.setFontItalic(false);
+  fmt.clearForeground();
+  fmt.clearBackground();
+  inputLine()->setCurrentCharFormat(fmt);
+
+#ifdef HAVE_KDE
+  // Set highlighter back to active in case it was deactivated by too many errors.
+  if(ui.inputEdit->highlighter())
+    ui.inputEdit->highlighter()->setActive(true);
+#endif
 }
 
-void InputWidget::sendText(QString text) {
-  emit userInput(currentBufferInfo(), text);
+void InputWidget::mergeFormatOnSelection(const QTextCharFormat &format) {
+  QTextCursor cursor = inputLine()->textCursor();
+  cursor.mergeCharFormat(format);
+  inputLine()->mergeCurrentCharFormat(format);
 }
 
+void InputWidget::setFormatOnSelection(const QTextCharFormat &format) {
+  QTextCursor cursor = inputLine()->textCursor();
+  cursor.setCharFormat(format);
+  inputLine()->setCurrentCharFormat(format);
+}
+
+QTextCharFormat InputWidget::getFormatOfWordOrSelection() {
+  QTextCursor cursor = inputLine()->textCursor();
+  return cursor.charFormat();
+}
+
+void InputWidget::currentCharFormatChanged(const QTextCharFormat &format) {
+  fontChanged(format.font());
+}
+
+void InputWidget::on_boldButton_clicked(bool checked) {
+  QTextCharFormat fmt;
+  fmt.setFontWeight(checked ? QFont::Bold : QFont::Normal);
+  mergeFormatOnSelection(fmt);
+}
+
+void InputWidget::on_underlineButton_clicked(bool checked) {
+  QTextCharFormat fmt;
+  fmt.setFontUnderline(checked);
+  mergeFormatOnSelection(fmt);
+}
+
+void InputWidget::on_italicButton_clicked(bool checked) {
+  QTextCharFormat fmt;
+  fmt.setFontItalic(checked);
+  mergeFormatOnSelection(fmt);
+}
+
+void InputWidget::fontChanged(const QFont &f)
+{
+  ui.boldButton->setChecked(f.bold());
+  ui.italicButton->setChecked(f.italic());
+  ui.underlineButton->setChecked(f.underline());
+}
+
+void InputWidget::colorChosen(QAction *action) {
+  QTextCharFormat fmt;
+  QColor color;
+  if (qVariantValue<QString>(action->data()) == "") {
+    color = Qt::transparent;
+    fmt = getFormatOfWordOrSelection();
+    fmt.clearForeground();
+    setFormatOnSelection(fmt);
+  }
+  else {
+    color = QColor(inputLine()->rgbColorFromMirc(qVariantValue<QString>(action->data())));
+    fmt.setForeground(color);
+    mergeFormatOnSelection(fmt);
+  }
+  ui.textcolorButton->setDefaultAction(action);
+  ui.textcolorButton->setIcon(createColorToolButtonIcon(SmallIcon("format-text-color"), color));
+}
+
+void InputWidget::colorHighlightChosen(QAction *action) {
+  QTextCharFormat fmt;
+  QColor color;
+  if (qVariantValue<QString>(action->data()) == "") {
+    color = Qt::transparent;
+    fmt = getFormatOfWordOrSelection();
+    fmt.clearBackground();
+    setFormatOnSelection(fmt);
+  }
+  else {
+    color = QColor(inputLine()->rgbColorFromMirc(qVariantValue<QString>(action->data())));
+    fmt.setBackground(color);
+    mergeFormatOnSelection(fmt);
+  }
+  ui.highlightcolorButton->setDefaultAction(action);
+  ui.highlightcolorButton->setIcon(createColorToolButtonIcon(SmallIcon("format-fill-color"), color));
+}
+
+void InputWidget::on_showStyleButton_toggled(bool checked) {
+  ui.styleFrame->setVisible(checked);
+  if (checked) {
+    ui.showStyleButton->setArrowType(Qt::LeftArrow);
+  }
+  else {
+    ui.showStyleButton->setArrowType(Qt::RightArrow);
+  }
+}
+
+QIcon InputWidget::createColorToolButtonIcon(const QIcon &icon, const QColor &color) {
+  QPixmap pixmap(16, 16);
+  pixmap.fill(Qt::transparent);
+  QPainter painter(&pixmap);
+  QPixmap image = icon.pixmap(16,16);
+  QRect target(0, 0, 16, 14);
+  QRect source(0, 0, 16, 14);
+  painter.fillRect(QRect(0, 14, 16, 16), color);
+  painter.drawPixmap(target, image, source);
+
+  return QIcon(pixmap);
+}
 
 // MOUSE WHEEL FILTER
 MouseWheelFilter::MouseWheelFilter(QObject *parent)