qa: Add [[fallthrough]] annotations where appropriate
[quassel.git] / src / qtui / bufferwidget.cpp
index 541ddb5..f11094b 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-2016 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   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 <QIcon>
+#include <QLayout>
+#include <QKeyEvent>
+#include <QMenu>
+#include <QScrollBar>
+
+#include "action.h"
+#include "actioncollection.h"
 #include "bufferwidget.h"
-#include "buffer.h"
-#include "chatline-old.h"
-#include "chatwidget.h"
-#include "settings.h"
+#include "chatline.h"
+#include "chatview.h"
+#include "chatviewsearchbar.h"
+#include "chatviewsearchcontroller.h"
+#include "chatviewsettings.h"
 #include "client.h"
-#include "network.h"
+#include "multilineedit.h"
+#include "qtui.h"
+#include "settings.h"
 
 BufferWidget::BufferWidget(QWidget *parent)
-  : QWidget(parent),
-    _currentBuffer(0),
-    _currentNetwork(0)
+    : AbstractBufferContainer(parent),
+    _chatViewSearchController(new ChatViewSearchController(this)),
+    _autoMarkerLine(true),
+    _autoMarkerLineOnLostFocus(true)
 {
-  ui.setupUi(this);
-  ui.ownNick->clear();  // TODO add nick history
-  connect(ui.inputEdit, SIGNAL(returnPressed()), this, SLOT(enterPressed()));
+    ui.setupUi(this);
+    layout()->setContentsMargins(0, 0, 0, 0);
+    layout()->setSpacing(0);
+    // ui.searchBar->hide();
+
+    _chatViewSearchController->setCaseSensitive(ui.searchBar->caseSensitiveBox()->isChecked());
+    _chatViewSearchController->setSearchSenders(ui.searchBar->searchSendersBox()->isChecked());
+    _chatViewSearchController->setSearchMsgs(ui.searchBar->searchMsgsBox()->isChecked());
+    _chatViewSearchController->setSearchOnlyRegularMsgs(ui.searchBar->searchOnlyRegularMsgsBox()->isChecked());
+
+    connect(ui.searchBar, SIGNAL(searchChanged(const QString &)),
+        _chatViewSearchController, SLOT(setSearchString(const QString &)));
+    connect(ui.searchBar->caseSensitiveBox(), SIGNAL(toggled(bool)),
+        _chatViewSearchController, SLOT(setCaseSensitive(bool)));
+    connect(ui.searchBar->searchSendersBox(), SIGNAL(toggled(bool)),
+        _chatViewSearchController, SLOT(setSearchSenders(bool)));
+    connect(ui.searchBar->searchMsgsBox(), SIGNAL(toggled(bool)),
+        _chatViewSearchController, SLOT(setSearchMsgs(bool)));
+    connect(ui.searchBar->searchOnlyRegularMsgsBox(), SIGNAL(toggled(bool)),
+        _chatViewSearchController, SLOT(setSearchOnlyRegularMsgs(bool)));
+    connect(ui.searchBar->searchUpButton(), SIGNAL(clicked()),
+        _chatViewSearchController, SLOT(highlightPrev()));
+    connect(ui.searchBar->searchDownButton(), SIGNAL(clicked()),
+        _chatViewSearchController, SLOT(highlightNext()));
+
+    connect(ui.searchBar, SIGNAL(hidden()), this, SLOT(setFocus()));
+
+    connect(_chatViewSearchController, SIGNAL(newCurrentHighlight(QGraphicsItem *)),
+        this, SLOT(scrollToHighlight(QGraphicsItem *)));
+
+    ActionCollection *coll = QtUi::actionCollection();
+
+    Action *zoomInChatview = coll->add<Action>("ZoomInChatView", this, SLOT(zoomIn()));
+    zoomInChatview->setText(tr("Zoom In"));
+    zoomInChatview->setIcon(QIcon::fromTheme("zoom-in"));
+    zoomInChatview->setShortcut(QKeySequence::ZoomIn);
+
+    Action *zoomOutChatview = coll->add<Action>("ZoomOutChatView", this, SLOT(zoomOut()));
+    zoomOutChatview->setIcon(QIcon::fromTheme("zoom-out"));
+    zoomOutChatview->setText(tr("Zoom Out"));
+    zoomOutChatview->setShortcut(QKeySequence::ZoomOut);
+
+    Action *zoomOriginalChatview = coll->add<Action>("ZoomOriginalChatView", this, SLOT(zoomOriginal()));
+    zoomOriginalChatview->setIcon(QIcon::fromTheme("zoom-original"));
+    zoomOriginalChatview->setText(tr("Actual Size"));
+    //zoomOriginalChatview->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_0)); // used for RTS switching
+
+    Action *setMarkerLine = coll->add<Action>("SetMarkerLineToBottom", this, SLOT(setMarkerLine()));
+    setMarkerLine->setText(tr("Set Marker Line"));
+    setMarkerLine->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
+
+    Action *jumpToMarkerLine = QtUi::actionCollection("Navigation")->add<Action>("JumpToMarkerLine", this, SLOT(jumpToMarkerLine()));
+    jumpToMarkerLine->setText(tr("Go to Marker Line"));
+    jumpToMarkerLine->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_K));
+
+    ChatViewSettings s;
+    s.initAndNotify("AutoMarkerLine", this, SLOT(setAutoMarkerLine(QVariant)), true);
+    s.initAndNotify("AutoMarkerLineOnLostFocus", this, SLOT(setAutoMarkerLineOnLostFocus(QVariant)), true);
 }
 
-void BufferWidget::init() {
 
+BufferWidget::~BufferWidget()
+{
+    delete _chatViewSearchController;
+    _chatViewSearchController = 0;
 }
 
-BufferWidget::~BufferWidget() {
+
+void BufferWidget::setAutoMarkerLine(const QVariant &v)
+{
+    _autoMarkerLine = v.toBool();
+}
+
+void BufferWidget::setAutoMarkerLineOnLostFocus(const QVariant &v)
+{
+    _autoMarkerLineOnLostFocus = v.toBool();
 }
 
-BufferId BufferWidget::currentBuffer() const {
-  return _currentBuffer;
+
+AbstractChatView *BufferWidget::createChatView(BufferId id)
+{
+    ChatView *chatView;
+    chatView = new ChatView(id, this);
+    chatView->setBufferContainer(this);
+    _chatViews[id] = chatView;
+    ui.stackedWidget->addWidget(chatView);
+    chatView->setFocusProxy(this);
+    return chatView;
 }
 
-void BufferWidget::setCurrentBuffer(BufferId bufferId) {
-  ChatWidget *chatWidget;
-  if(_chatWidgets.contains(bufferId)) {
-     chatWidget = _chatWidgets[bufferId];
-  } else {
-    Buffer *buf = Client::buffer(bufferId);
-    if(!buf) {
-      qWarning() << "BufferWidget::setBuffer(BufferId): Can't show unknown Buffer:" << bufferId;
-      return;
+
+void BufferWidget::removeChatView(BufferId id)
+{
+    QWidget *view = _chatViews.value(id, 0);
+    if (!view) return;
+    ui.stackedWidget->removeWidget(view);
+    view->deleteLater();
+    _chatViews.take(id);
+}
+
+
+void BufferWidget::showChatView(BufferId id)
+{
+    if (!id.isValid()) {
+        ui.stackedWidget->setCurrentWidget(ui.page);
     }
-    chatWidget = new ChatWidget(this);
-    chatWidget->init(bufferId);
-    QList<ChatLine *> lines;
-    QList<AbstractUiMsg *> msgs = buf->contents();
-    foreach(AbstractUiMsg *msg, msgs) {
-      lines.append(dynamic_cast<ChatLine*>(msg));
+    else {
+        ChatView *view = qobject_cast<ChatView *>(_chatViews.value(id));
+        Q_ASSERT(view);
+        ui.stackedWidget->setCurrentWidget(view);
+        _chatViewSearchController->setScene(view->scene());
     }
-    chatWidget->setContents(lines);
-    connect(buf, SIGNAL(msgAppended(AbstractUiMsg *)), chatWidget, SLOT(appendMsg(AbstractUiMsg *)));
-    connect(buf, SIGNAL(msgPrepended(AbstractUiMsg *)), chatWidget, SLOT(prependMsg(AbstractUiMsg *)));
-    _chatWidgets[bufferId] = chatWidget;
-    ui.stackedWidget->addWidget(chatWidget);
-  }
-  ui.stackedWidget->setCurrentWidget(chatWidget);
-  disconnect(this, SIGNAL(userInput(QString)), 0, 0);
-  connect(this, SIGNAL(userInput(QString)), Client::buffer(bufferId), SLOT(processUserInput(QString)));
-  chatWidget->setFocusProxy(ui.inputEdit);
-  ui.inputEdit->setFocus();
+}
+
 
+void BufferWidget::scrollToHighlight(QGraphicsItem *highlightItem)
+{
+    ChatView *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view) {
+        view->centerOn(highlightItem);
+    }
 }
 
-NetworkId BufferWidget::currentNetwork() const {
-  return _currentNetwork;
+
+void BufferWidget::zoomIn()
+{
+    ChatView *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view)
+        view->zoomIn();
 }
 
-void BufferWidget::setCurrentNetwork(NetworkId networkId) {
-  Network *net = Client::network(networkId);
-  if(!net)
-    return;
-  _currentNetwork = networkId;
-  
-  ui.ownNick->clear();
-  ui.ownNick->addItem(net->myNick());
+
+void BufferWidget::zoomOut()
+{
+    ChatView *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view)
+        view->zoomOut();
 }
 
-void BufferWidget::removeBuffer(BufferId bufferId) {
-  if(!_chatWidgets.contains(bufferId))
-    return;
 
-  ChatWidget *chatWidget = _chatWidgets.take(bufferId);
-  ui.stackedWidget->removeWidget(chatWidget);
-  chatWidget->deleteLater();
+void BufferWidget::zoomOriginal()
+{
+    ChatView *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view)
+        view->zoomOriginal();
 }
 
-void BufferWidget::saveState() {
+
+void BufferWidget::addActionsToMenu(QMenu *menu, const QPointF &pos)
+{
+    Q_UNUSED(pos);
+    ActionCollection *coll = QtUi::actionCollection();
+    menu->addSeparator();
+    menu->addAction(coll->action("ZoomInChatView"));
+    menu->addAction(coll->action("ZoomOutChatView"));
+    menu->addAction(coll->action("ZoomOriginalChatView"));
 }
 
-QSize BufferWidget::sizeHint() const {
-  return QSize(800,400);
+
+bool BufferWidget::eventFilter(QObject *watched, QEvent *event)
+{
+    if (event->type() != QEvent::KeyPress)
+        return false;
+
+    QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+
+    MultiLineEdit *inputLine = qobject_cast<MultiLineEdit *>(watched);
+    if (!inputLine)
+        return false;
+
+    // Intercept copy key presses
+    if (keyEvent == QKeySequence::Copy) {
+        if (inputLine->hasSelectedText())
+            return false;
+        ChatView *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+        if (view)
+            view->scene()->selectionToClipboard();
+        return true;
+    }
+
+    // We don't want to steal cursor movement keys if the input line is in multiline mode
+    if (!inputLine->isSingleLine())
+        return false;
+
+    switch (keyEvent->key()) {
+    case Qt::Key_Up:
+    case Qt::Key_Down:
+        if (!(keyEvent->modifiers() & Qt::ShiftModifier))
+            return false;
+        [[fallthrough]];
+    case Qt::Key_PageUp:
+    case Qt::Key_PageDown:
+        // static cast to access public qobject::event
+        return static_cast<QObject *>(ui.stackedWidget->currentWidget())->event(event);
+    default:
+        return false;
+    }
 }
 
-void BufferWidget::enterPressed() {
-  QStringList lines = ui.inputEdit->text().split('\n', QString::SkipEmptyParts);
-  foreach(QString msg, lines) {
-    if(msg.isEmpty()) continue;
-    emit userInput(msg);
-  }
-  ui.inputEdit->clear();
+
+void BufferWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous)
+{
+    ChatView *prevView = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+
+    AbstractBufferContainer::currentChanged(current, previous); // switch first to avoid a redraw
+
+    // we need to hide the marker line if it's already/still at the bottom of the view (and not scrolled up)
+    ChatView *curView = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (curView) {
+        BufferId curBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
+        if (curBufferId.isValid()) {
+            MsgId markerMsgId = Client::networkModel()->markerLineMsgId(curBufferId);
+            if (markerMsgId == curView->lastMsgId() && markerMsgId == curView->lastVisibleMsgId())
+                curView->setMarkerLineVisible(false);
+            else
+                curView->setMarkerLineVisible(true);
+        }
+    }
+
+    if (prevView && autoMarkerLine())
+        setMarkerLine(prevView, false);
 }
 
 
+void BufferWidget::setMarkerLine(ChatView *view, bool allowGoingBack)
+{
+    if (!view)
+        view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (!view)
+        return;
+
+    ChatLine *lastLine = view->lastVisibleChatLine();
+    if (lastLine) {
+        QModelIndex idx = lastLine->index();
+        MsgId msgId = idx.data(MessageModel::MsgIdRole).value<MsgId>();
+        BufferId bufId = view->scene()->singleBufferId();
 
-/*
-void BufferWidget::displayMsg(Message msg) {
-  chatWidget->appendMsg(msg);
+        if (!allowGoingBack) {
+            MsgId oldMsgId = Client::markerLine(bufId);
+            if (oldMsgId.isValid() && msgId <= oldMsgId)
+                return;
+        }
+        Client::setMarkerLine(bufId, msgId);
+    }
 }
-*/
 
+
+void BufferWidget::jumpToMarkerLine(ChatView *view, bool requestBacklog)
+{
+    if (!view)
+        view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (!view)
+        return;
+
+    view->jumpToMarkerLine(requestBacklog);
+}