modernize: Migrate action-related things to PMF connects
[quassel.git] / src / qtui / bufferwidget.cpp
index e408e71..41e98a5 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-2018 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 <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 "identity.h"
-#include "network.h"
-#include "networkmodel.h"
+#include "icon.h"
+#include "multilineedit.h"
+#include "qtui.h"
+#include "settings.h"
 
 BufferWidget::BufferWidget(QWidget *parent)
-  : QWidget(parent),
-    _bufferModel(0),
-    _selectionModel(0),
-    _currentBuffer(0)
+    : AbstractBufferContainer(parent),
+    _chatViewSearchController(new ChatViewSearchController(this)),
+    _autoMarkerLine(true),
+    _autoMarkerLineOnLostFocus(true)
+{
+    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, &ChatViewSearchBar::searchChanged,
+        _chatViewSearchController, &ChatViewSearchController::setSearchString);
+    connect(ui.searchBar->caseSensitiveBox(), &QAbstractButton::toggled,
+        _chatViewSearchController, &ChatViewSearchController::setCaseSensitive);
+    connect(ui.searchBar->searchSendersBox(), &QAbstractButton::toggled,
+        _chatViewSearchController, &ChatViewSearchController::setSearchSenders);
+    connect(ui.searchBar->searchMsgsBox(), &QAbstractButton::toggled,
+        _chatViewSearchController, &ChatViewSearchController::setSearchMsgs);
+    connect(ui.searchBar->searchOnlyRegularMsgsBox(), &QAbstractButton::toggled,
+        _chatViewSearchController, &ChatViewSearchController::setSearchOnlyRegularMsgs);
+    connect(ui.searchBar->searchUpButton(), &QAbstractButton::clicked,
+        _chatViewSearchController, &ChatViewSearchController::highlightPrev);
+    connect(ui.searchBar->searchDownButton(), &QAbstractButton::clicked,
+        _chatViewSearchController, &ChatViewSearchController::highlightNext);
+
+    connect(ui.searchBar, &ChatViewSearchBar::hidden, this, selectOverload<>(&QWidget::setFocus));
+
+    connect(_chatViewSearchController, &ChatViewSearchController::newCurrentHighlight,
+        this, &BufferWidget::scrollToHighlight);
+
+    ActionCollection *coll = QtUi::actionCollection();
+    coll->addActions({
+        {"ZoomInChatView", new Action{icon::get("zoom-in"), tr("Zoom In"), coll, this, &BufferWidget::zoomIn, QKeySequence::ZoomIn}},
+        {"ZoomOutChatView", new Action{icon::get("zoom-out"), tr("Zoom Out"), coll, this, &BufferWidget::zoomOut, QKeySequence::ZoomOut}},
+        {"ZoomOriginalChatView", new Action{icon::get("zoom-original"), tr("Actual Size"), coll, this, &BufferWidget::zoomOriginal}},
+        {"SetMarkerLineToBottom", new Action{tr("Set Marker Line"), coll, this, [this]() { setMarkerLine(); }, QKeySequence(Qt::CTRL + Qt::Key_R)}}
+    });
+    coll = QtUi::actionCollection("Navigation");
+    coll->addAction("JumpToMarkerLine", new Action{tr("Go to Marker Line"), coll, this, [this]() { jumpToMarkerLine(); }, QKeySequence(Qt::CTRL + Qt::Key_K)});
+
+    ChatViewSettings s;
+    s.initAndNotify("AutoMarkerLine", this, SLOT(setAutoMarkerLine(QVariant)), true);
+    s.initAndNotify("AutoMarkerLineOnLostFocus", this, SLOT(setAutoMarkerLineOnLostFocus(QVariant)), true);
+}
+
+
+BufferWidget::~BufferWidget()
 {
-  ui.setupUi(this);
+    delete _chatViewSearchController;
+    _chatViewSearchController = nullptr;
 }
 
-BufferWidget::~BufferWidget() {
+
+void BufferWidget::setAutoMarkerLine(const QVariant &v)
+{
+    _autoMarkerLine = v.toBool();
 }
 
-void BufferWidget::init() {
+void BufferWidget::setAutoMarkerLineOnLostFocus(const QVariant &v)
+{
+    _autoMarkerLineOnLostFocus = v.toBool();
 }
 
-void BufferWidget::setModel(BufferModel *bufferModel) {
-  if(_bufferModel) {
-    disconnect(_bufferModel, 0, this, 0);
-  }
-  _bufferModel = bufferModel;
 
-  if(bufferModel) {
-    connect(bufferModel, SIGNAL(rowsAboutToBeRemoved(QModelIndex, int, int)),
-           this, SLOT(rowsAboutToBeRemoved(QModelIndex, int, int)));
-  }
+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::setSelectionModel(QItemSelectionModel *selectionModel) {
-  if(_selectionModel) {
-    disconnect(_selectionModel, 0, this, 0);
-  }
-  _selectionModel = selectionModel;
 
-  if(selectionModel) {
-    connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
-           this, SLOT(currentChanged(QModelIndex, QModelIndex)));
-  }
+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::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
-  Q_ASSERT(model());
-  if(!parent.isValid()) {
-    // ok this means that whole networks are about to be removed
-    // we can't determine which buffers are affect, so we hope that all nets are removed
-    // this is the most common case (for example disconnecting from the core or terminating the clint)
-    if(model()->rowCount(parent) != end - start + 1)
-      return;
 
-    ChatWidget *chatWidget;
-    QHash<BufferId, ChatWidget *>::iterator iter = _chatWidgets.begin();
-    while(iter != _chatWidgets.end()) {
-      chatWidget = *iter;
-      iter = _chatWidgets.erase(iter);
-      ui.stackedWidget->removeWidget(chatWidget);
-      chatWidget->deleteLater();
+void BufferWidget::showChatView(BufferId id)
+{
+    if (!id.isValid()) {
+        ui.stackedWidget->setCurrentWidget(ui.page);
     }
-    
-  } else {
-    // check if there are explicitly buffers removed
-    for(int i = start; i <= end; i++) {
-      QVariant variant = parent.child(i,0).data(NetworkModel::BufferIdRole);
-      if(!variant.isValid())
-       continue;
-      
-      BufferId bufferId = qVariantValue<BufferId>(variant);
-      removeBuffer(bufferId);
+    else {
+        auto *view = qobject_cast<ChatView *>(_chatViews.value(id));
+        Q_ASSERT(view);
+        ui.stackedWidget->setCurrentWidget(view);
+        _chatViewSearchController->setScene(view->scene());
     }
-  }
-}
-
-void BufferWidget::removeBuffer(BufferId bufferId) {
-  if(!_chatWidgets.contains(bufferId))
-    return;
-
-  if(Client::buffer(bufferId)) Client::buffer(bufferId)->setVisible(false);
-  ChatWidget *chatWidget = _chatWidgets.take(bufferId);
-  ui.stackedWidget->removeWidget(chatWidget);
-  chatWidget->deleteLater();
-}
-
-void BufferWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
-  Q_UNUSED(previous);
-  QVariant variant;
-
-  variant = current.data(NetworkModel::BufferIdRole);
-  if(!variant.isValid())
-    return;
-  setCurrentBuffer(variant.value<BufferId>());
-}
-
-void BufferWidget::setCurrentBuffer(BufferId bufferId) {
-  ChatWidget *chatWidget = 0;
-  Buffer *buf = Client::buffer(bufferId);
-  if(!buf) {
-    qWarning() << "BufferWidget::setBuffer(BufferId): Can't show unknown Buffer:" << bufferId;
-    return;
-  }
-  Buffer *prevBuffer = Client::buffer(currentBuffer());
-  if(prevBuffer) prevBuffer->setVisible(false);
-  if(_chatWidgets.contains(bufferId)) {
-     chatWidget = _chatWidgets[bufferId];
-  } else {
-    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));
+}
+
+
+void BufferWidget::scrollToHighlight(QGraphicsItem *highlightItem)
+{
+    auto *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view) {
+        view->centerOn(highlightItem);
     }
-    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);
-    chatWidget->setFocusProxy(this);
-  }
-  _currentBuffer = bufferId;
-  ui.stackedWidget->setCurrentWidget(chatWidget);
-  buf->setVisible(true);
-  setFocus();
 }
 
+
+void BufferWidget::zoomIn()
+{
+    auto *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view)
+        view->zoomIn();
+}
+
+
+void BufferWidget::zoomOut()
+{
+    auto *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view)
+        view->zoomOut();
+}
+
+
+void BufferWidget::zoomOriginal()
+{
+    auto *view = qobject_cast<ChatView *>(ui.stackedWidget->currentWidget());
+    if (view)
+        view->zoomOriginal();
+}
+
+
+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"));
+}
+
+
+bool BufferWidget::eventFilter(QObject *watched, QEvent *event)
+{
+    if (event->type() != QEvent::KeyPress)
+        return false;
+
+    auto *keyEvent = static_cast<QKeyEvent *>(event);
+
+    auto *inputLine = qobject_cast<MultiLineEdit *>(watched);
+    if (!inputLine)
+        return false;
+
+    // Intercept copy key presses
+    if (keyEvent == QKeySequence::Copy) {
+        if (inputLine->hasSelectedText())
+            return false;
+        auto *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::currentChanged(const QModelIndex &current, const QModelIndex &previous)
+{
+    auto *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)
+    auto *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();
+
+        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);
+}