X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Finputwidget.cpp;h=6ac42be31c4733642a4dc329bb710a71bdb1742e;hp=d7c1e65408b23641357da26b6700193d45b9658e;hb=f8ac74fd09451dcb61f34730f5f605f0fadbb9e8;hpb=3e350f6ae66b8c5550909b140f81010df999c494

diff --git a/src/qtui/inputwidget.cpp b/src/qtui/inputwidget.cpp
index d7c1e654..6ac42be3 100644
--- a/src/qtui/inputwidget.cpp
+++ b/src/qtui/inputwidget.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-2014 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -15,149 +15,642 @@
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  ***************************************************************************/
 
 #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),
+    : AbstractItemView(parent),
     _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)));
-  setFocusProxy(ui.inputEdit);
+    ui.setupUi(this);
+    connect(ui.ownNick, SIGNAL(activated(QString)), this, SLOT(changeNick(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(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"));
+    ui.encryptionIconLabel->hide();
+
+    _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("EnableLineWrap", this, SLOT(setLineWrapEnabled(QVariant)));
+    setLineWrapEnabled(s.value("EnableLineWrap", false));
+
+    s.notify("EnableMultiLine", this, SLOT(setMultiLineEnabled(QVariant)));
+    setMultiLineEnabled(s.value("EnableMultiLine", true));
 
-  ui.ownNick->installEventFilter(new MouseWheelFilter(this));
-  ui.inputEdit->installEventFilter(new JumpKeyHandler(this));  
+    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() {
+
+InputWidget::~InputWidget()
+{
 }
 
-void InputWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
-  if(current.data(NetworkModel::BufferInfoRole) == previous.data(NetworkModel::BufferInfoRole))
-    return;
 
-  setNetwork(Client::networkModel()->networkByIndex(current));
-  updateNickSelector();
-  ui.inputEdit->setEnabled(current.data(NetworkModel::ItemActiveRole).value<bool>());
+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::setLineWrapEnabled(const QVariant &v)
+{
+    ui.inputEdit->setLineWrapEnabled(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)
+{
+    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(networkId);
+    updateNickSelector();
+    updateEnabledState();
+}
+
+
+void InputWidget::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
+{
+    QItemSelectionRange changedArea(topLeft, bottomRight);
+    if (changedArea.contains(selectionModel()->currentIndex())) {
+        updateEnabledState();
+
+        bool encrypted = false;
+
+        IrcChannel *chan = qobject_cast<IrcChannel *>(Client::bufferModel()->data(selectionModel()->currentIndex(), NetworkModel::IrcChannelRole).value<QObject *>());
+        if (chan)
+            encrypted = chan->encrypted();
+
+        IrcUser *user = qobject_cast<IrcUser *>(Client::bufferModel()->data(selectionModel()->currentIndex(), NetworkModel::IrcUserRole).value<QObject *>());
+        if (user)
+            encrypted = user->encrypted();
+
+        if (encrypted)
+            ui.encryptionIconLabel->show();
+        else
+            ui.encryptionIconLabel->hide();
+    }
+}
+
+
+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;
+        }
+    }
 }
 
-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>());
-  }
-};
 
+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();
+    }
 
-const Network *InputWidget::currentNetwork() const {
-  return Client::network(_networkId);
+    ui.inputEdit->setEnabled(enabled);
+#endif
 }
 
-BufferInfo InputWidget::currentBufferInfo() const {
-  return selectionModel()->currentIndex().data(NetworkModel::BufferInfoRole).value<BufferInfo>();
+
+const Network *InputWidget::currentNetwork() const
+{
+    return Client::network(_networkId);
+}
+
+
+BufferInfo InputWidget::currentBufferInfo() const
+{
+    return selectionModel()->currentIndex().data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 };
 
-void InputWidget::setNetwork(const Network *network) {
-  if(!network || _networkId == network->networkId())
-    return;
+void InputWidget::setNetwork(NetworkId networkId)
+{
+    if (_networkId == networkId)
+        return;
+
+    const Network *previousNet = Client::network(_networkId);
+    if (previousNet) {
+        disconnect(previousNet, 0, this, 0);
+        if (previousNet->me())
+            disconnect(previousNet->me(), 0, this, 0);
+    }
 
-  const Network *previousNet = Client::network(_networkId);
-  if(previousNet) {
-    disconnect(previousNet, 0, this, 0);
-    if(previousNet->me())
-      disconnect(previousNet->me(), 0, this, 0);
-  }
+    _networkId = 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()));
+    const Network *network = Client::network(networkId);
+    if (network) {
+        connect(network, SIGNAL(identitySet(IdentityId)), this, SLOT(setIdentity(IdentityId)));
+        connectMyIrcUser();
+        setIdentity(network->identity());
+    }
+    else {
+        setIdentity(0);
+        _networkId = 0;
     }
-  }
-  setIdentity(network->identity());
 }
 
-void InputWidget::setIdentity(const IdentityId &identityId) {
-  if(_identityId == identityId)
-    return;
 
-  const Identity *previousIdentity = Client::identity(_identityId);
-  if(previousIdentity)
-    disconnect(previousIdentity, 0, this, 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()));
+    }
+}
+
+
+void InputWidget::setIdentity(IdentityId identityId)
+{
+    if (_identityId == identityId)
+        return;
+
+    const Identity *previousIdentity = Client::identity(_identityId);
+    if (previousIdentity)
+        disconnect(previousIdentity, 0, this, 0);
 
-  const Identity *identity = Client::identity(identityId);
-  if(identity) {
     _identityId = identityId;
-    connect(identity, SIGNAL(nicksSet(QStringList)),
-	    this, SLOT(updateNickSelector()));
-  }
-  updateNickSelector();
+
+    const Identity *identity = Client::identity(identityId);
+    if (identity) {
+        connect(identity, SIGNAL(nicksSet(QStringList)), this, SLOT(updateNickSelector()));
+    }
+    else {
+        _identityId = 0;
+    }
+    updateNickSelector();
 }
 
-void InputWidget::updateNickSelector() const {
-  ui.ownNick->clear();
 
-  const Network *net = currentNetwork();
-  if(!net)
-    return;
+void InputWidget::updateNickSelector() const
+{
+    ui.ownNick->clear();
+
+    const Network *net = currentNetwork();
+    if (!net)
+        return;
 
-  const Identity *identity = Client::identity(net->identity());
-  if(!identity) {
-    qWarning() << "InputWidget::updateNickSelector(): can't find Identity for Network" << net->networkId();
-    return;
-  }
+    const Identity *identity = Client::identity(net->identity());
+    if (!identity) {
+        qWarning() << "InputWidget::updateNickSelector(): can't find Identity for Network" << net->networkId() << "IdentityId:" << net->identity();
+        return;
+    }
+
+    int nickIdx;
+    QStringList nicks = identity->nicks();
+    if ((nickIdx = nicks.indexOf(net->myNick())) == -1) {
+        nicks.prepend(net->myNick());
+        nickIdx = 0;
+    }
 
-  int nickIdx;
-  QStringList nicks = identity->nicks();
-  if((nickIdx = nicks.indexOf(net->myNick())) == -1) {
-    nicks.prepend(net->myNick());
-    nickIdx = 0;
-  }
+    if (nicks.isEmpty())
+        return;
 
-  if(net->me() && nickIdx < nicks.count())
-    nicks[nickIdx] = net->myNick() + QString(" (%1)").arg(net->me()->userModes());
-      
-  ui.ownNick->addItems(nicks);
-  ui.ownNick->setCurrentIndex(nickIdx);
+    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);
 }
 
-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));
+
+void InputWidget::changeNick(const QString &newNick) const
+{
+    const Network *net = currentNetwork();
+    if (!net || net->isMyNick(newNick))
+        return;
+
+    // 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 (action->data().value<QString>() == "") {
+        color = Qt::transparent;
+        fmt = getFormatOfWordOrSelection();
+        fmt.clearForeground();
+        setFormatOnSelection(fmt);
+    }
+    else {
+        color = QColor(inputLine()->rgbColorFromMirc(action->data().value<QString>()));
+        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 (action->data().value<QString>() == "") {
+        color = Qt::transparent;
+        fmt = getFormatOfWordOrSelection();
+        fmt.clearBackground();
+        setFormatOnSelection(fmt);
+    }
+    else {
+        color = QColor(inputLine()->rgbColorFromMirc(action->data().value<QString>()));
+        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)
-  : QObject(parent)
+    : QObject(parent)
 {
 }
 
-bool MouseWheelFilter::eventFilter(QObject *obj, QEvent *event) {
-  if(event->type() != QEvent::Wheel)
-    return QObject::eventFilter(obj, event);
-  else
-    return true;
+
+bool MouseWheelFilter::eventFilter(QObject *obj, QEvent *event)
+{
+    if (event->type() != QEvent::Wheel)
+        return QObject::eventFilter(obj, event);
+    else
+        return true;
 }