Add rudimentary keyboard navigation for previous/next buffer
[quassel.git] / src / qtui / chatline.cpp
index 7121c21..4f03794 100644 (file)
@@ -1,11 +1,11 @@
 /***************************************************************************
- *   Copyright (C) 2005-07 by the Quassel IRC Team                         *
+ *   Copyright (C) 2005-2010 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
+ *   (at your option) version 3.                                           *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 #include <QtGui>
 
 #include "bufferinfo.h"
+#include "buffersyncer.h"
+#include "client.h"
 #include "chatitem.h"
 #include "chatline.h"
+#include "chatview.h"
+#include "columnhandleitem.h"
+#include "messagemodel.h"
+#include "networkmodel.h"
 #include "qtui.h"
+#include "qtuisettings.h"
+#include "qtuistyle.h"
 
-ChatLine::ChatLine(Message msg) : QGraphicsItem(), AbstractUiMsg() {
-  _styledTimestamp = QtUi::style()->styleString(msg.formattedTimestamp());
-  _styledSender = QtUi::style()->styleString(msg.formattedSender());
-  _styledText = QtUi::style()->styleString(msg.formattedText());
-  _msgId = msg.msgId();
-  _timestamp = msg.timestamp();
+ChatLine::ChatLine(int row, QAbstractItemModel *model,
+                   const qreal &width,
+                   const qreal &timestampWidth, const qreal &senderWidth, const qreal &contentsWidth,
+                   const QPointF &senderPos, const QPointF &contentsPos,
+                   QGraphicsItem *parent)
+  : QGraphicsItem(parent),
+    _row(row), // needs to be set before the items
+    _model(model),
+    _contentsItem(contentsPos, contentsWidth, this),
+    _senderItem(QRectF(senderPos, QSizeF(senderWidth, _contentsItem.height())), this),
+    _timestampItem(QRectF(0, 0, timestampWidth, _contentsItem.height()), this),
+    _width(width),
+    _height(_contentsItem.height()),
+    _selection(0),
+    _mouseGrabberItem(0),
+    _hoverItem(0)
+{
+  Q_ASSERT(model);
+  QModelIndex index = model->index(row, ChatLineModel::ContentsColumn);
+  setZValue(0);
+  setAcceptHoverEvents(true);
+  setHighlighted(index.data(MessageModel::FlagsRole).toInt() & Message::Highlight);
+}
 
-  _tsColWidth = _senderColWidth = _textColWidth = 0;
-  QTextOption option;
-  option.setWrapMode(QTextOption::NoWrap);
-  _tsItem = new ChatItem(this);
-  _tsItem->setTextOption(option);
-  _tsItem->setText(_styledTimestamp);
+ChatLine::~ChatLine() {
+  if(chatView())
+    chatView()->setHasCache(this, false);
+}
 
-  option.setAlignment(Qt::AlignRight);
-  _senderItem = new ChatItem(this);
-  _senderItem->setTextOption(option);
-  _senderItem->setText(_styledSender);
+ChatItem *ChatLine::item(ChatLineModel::ColumnType column) {
+  switch(column) {
+    case ChatLineModel::TimestampColumn:
+      return &_timestampItem;
+    case ChatLineModel::SenderColumn:
+      return &_senderItem;
+    case ChatLineModel::ContentsColumn:
+      return &_contentsItem;
+  default:
+    return 0;
+  }
+}
 
-  option.setAlignment(Qt::AlignLeft);
-  option.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
-  _textItem = new ChatItem(this);
-  _textItem->setTextOption(option);
-  _textItem->setText(_styledText);
+ChatItem *ChatLine::itemAt(const QPointF &pos) {
+  if(_contentsItem.boundingRect().contains(pos))
+    return &_contentsItem;
+  if(_senderItem.boundingRect().contains(pos))
+    return &_senderItem;
+  if(_timestampItem.boundingRect().contains(pos))
+    return &_timestampItem;
+  return 0;
+}
 
+void ChatLine::clearCache() {
+  _timestampItem.clearCache();
+  _senderItem.clearCache();
+  _contentsItem.clearCache();
 }
 
-ChatLine::~ChatLine() {
-  
+void ChatLine::setMouseGrabberItem(ChatItem *item) {
+  _mouseGrabberItem = item;
 }
 
-QString ChatLine::sender() const {
-  return QString();
+bool ChatLine::sceneEvent(QEvent *event) {
+  if(event->type() == QEvent::GrabMouse) {
+    // get mouse cursor pos relative to us
+    ChatView *view = chatScene()->chatView();
+    QPointF linePos = mapFromScene(view->mapToScene(view->mapFromGlobal(QCursor::pos())));
+    setMouseGrabberItem(itemAt(linePos));
+  } else if(event->type() == QEvent::UngrabMouse) {
+    setMouseGrabberItem(0);
+  }
+  return QGraphicsItem::sceneEvent(event);
 }
 
-QString ChatLine::text() const {
-  return QString();
+void ChatLine::setFirstColumn(const qreal &timestampWidth, const qreal &senderWidth, const QPointF &senderPos) {
+  _timestampItem.setGeometry(timestampWidth, _height);
+  _senderItem.setGeometry(senderWidth, _height);
+  _senderItem.setPos(senderPos);
 }
 
-MsgId ChatLine::msgId() const {
-  return 0;
+void ChatLine::setSecondColumn(const qreal &senderWidth, const qreal &contentsWidth, const QPointF &contentsPos, qreal &linePos) {
+  // linepos is the *bottom* position for the line
+  qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
+  linePos -= height;
+  bool needGeometryChange = (height != _height);
+
+  _timestampItem.setHeight(height);
+  _senderItem.setGeometry(senderWidth, height);
+  _contentsItem.setPos(contentsPos);
+
+  if(needGeometryChange)
+    prepareGeometryChange();
+
+  _height = height;
+
+  setPos(0, linePos);
 }
 
-BufferInfo ChatLine::bufferInfo() const {
-  Q_ASSERT(false); // do we actually need this function???
-  return BufferInfo();
+void ChatLine::setGeometryByWidth(const qreal &width, const qreal &contentsWidth, qreal &linePos) {
+  // linepos is the *bottom* position for the line
+  qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
+  linePos -= height;
+  bool needGeometryChange = (height != _height || width != _width);
+
+  if(height != _height) {
+    _timestampItem.setHeight(height);
+    _senderItem.setHeight(height);
+  }
+
+  if(needGeometryChange) {
+    prepareGeometryChange();
+    _height = height;
+    _width = width;
+  }
+
+  setPos(0, linePos); // set pos is _very_ cheap if nothing changes.
 }
 
-QDateTime ChatLine::timestamp() const {
-  return QDateTime();
+void ChatLine::setSelected(bool selected, ChatLineModel::ColumnType minColumn) {
+  if(selected) {
+    quint8 sel = (_selection & Highlighted) | Selected | minColumn;
+    if(sel != _selection) {
+      _selection = sel;
+      for(int i = 0; i < minColumn; i++)
+        item((ChatLineModel::ColumnType)i)->clearSelection();
+      for(int i = minColumn; i <= ChatLineModel::ContentsColumn; i++)
+        item((ChatLineModel::ColumnType)i)->setFullSelection();
+      update();
+    }
+  } else {
+    quint8 sel = _selection & Highlighted;
+    if(sel != _selection) {
+      _selection = sel;
+      for(int i = 0; i <= ChatLineModel::ContentsColumn; i++)
+        item((ChatLineModel::ColumnType)i)->clearSelection();
+      update();
+    }
+  }
 }
 
-QRectF ChatLine::boundingRect () const {
-  return childrenBoundingRect();
+void ChatLine::setHighlighted(bool highlighted) {
+  if(highlighted) _selection |= Highlighted;
+  else _selection &= ~Highlighted;
+  update();
 }
 
 void ChatLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+  Q_UNUSED(option);
+  Q_UNUSED(widget);
 
-}
+  const QAbstractItemModel *model_ = model();
+  QModelIndex myIdx = model_->index(row(), 0);
+  Message::Type type = (Message::Type)myIdx.data(MessageModel::TypeRole).toInt();
+  UiStyle::MessageLabel label = (UiStyle::MessageLabel)myIdx.data(ChatLineModel::MsgLabelRole).toInt();
 
-void ChatLine::setColumnWidths(int tsColWidth, int senderColWidth, int textColWidth) {
-  if(tsColWidth >= 0) {
-    _tsColWidth = tsColWidth;
-    _tsItem->setWidth(tsColWidth);
-  }
-  if(senderColWidth >= 0) {
-    _senderColWidth = senderColWidth;
-    _senderItem->setWidth(senderColWidth);
+  QTextCharFormat msgFmt = QtUi::style()->format(UiStyle::formatType(type), label);
+  if(msgFmt.hasProperty(QTextFormat::BackgroundBrush)) {
+    painter->fillRect(boundingRect(), msgFmt.background());
   }
-  if(textColWidth >= 0) {
-    _textColWidth = textColWidth;
-    _textItem->setWidth(textColWidth);
+
+  if(_selection & Selected) {
+    QTextCharFormat selFmt = QtUi::style()->format(UiStyle::formatType(type), label | UiStyle::Selected);
+    if(selFmt.hasProperty(QTextFormat::BackgroundBrush)) {
+      qreal left = item((ChatLineModel::ColumnType)(_selection & ItemMask))->pos().x();
+      QRectF selectRect(left, 0, width() - left, height());
+      painter->fillRect(selectRect, selFmt.background());
+    }
   }
-  layout();
+
+  // draw chatitems
+  // the items draw themselves at the correct position
+  timestampItem()->paint(painter, option, widget);
+  senderItem()->paint(painter, option, widget);
+  contentsItem()->paint(painter, option, widget);
 }
 
-void ChatLine::layout() {
-  prepareGeometryChange();
-  _tsItem->setPos(QPointF(0, 0));
-  _senderItem->setPos(QPointF(_tsColWidth + QtUi::style()->sepTsSender(), 0));
-  _textItem->setPos(QPointF(_tsColWidth + QtUi::style()->sepTsSender() + _senderColWidth + QtUi::style()->sepSenderText(), 0));
+// We need to dispatch all mouse-related events to the appropriate (mouse grabbing) ChatItem
+
+ChatItem *ChatLine::mouseEventTargetItem(const QPointF &pos) {
+  if(mouseGrabberItem())
+    return mouseGrabberItem();
+  return itemAt(pos);
 }
 
+void ChatLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+  ChatItem *item = mouseEventTargetItem(event->pos());
+  if(item)
+    item->mouseMoveEvent(event);
+}
 
-bool ChatLine::sceneEvent ( QEvent * event ) {
-  qDebug() <<(void*)this<< "receiving event";
-  event->ignore();
-  return false;
+void ChatLine::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+  ChatItem *item = mouseEventTargetItem(event->pos());
+  if(item)
+    item->mousePressEvent(event);
 }
 
+void ChatLine::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+  ChatItem *item = mouseEventTargetItem(event->pos());
+  if(item)
+    item->mouseReleaseEvent(event);
+}
+
+void ChatLine::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
+  ChatItem *item = mouseEventTargetItem(event->pos());
+  if(item && !_hoverItem) {
+    _hoverItem = item;
+    item->hoverEnterEvent(event);
+  }
+}
 
+void ChatLine::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
+  if(_hoverItem) {
+    _hoverItem->hoverLeaveEvent(event);
+    _hoverItem = 0;
+  }
+}
+
+void ChatLine::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
+  ChatItem *item = mouseEventTargetItem(event->pos());
+  if(item)
+    item->hoverMoveEvent(event);
+}