UiStyle::StyledMessage derived now from Message
[quassel.git] / src / qtui / chatlinemodelitem.cpp
index 7e95228..a3de834 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -24,7 +24,7 @@
 #include "chatlinemodelitem.h"
 #include "chatlinemodel.h"
 #include "qtui.h"
-#include "uistyle.h"
+#include "qtuistyle.h"
 
 // This Struct is taken from Harfbuzz. We use it only to calc it's size.
 // we use a shared memory region so we do not have to malloc a buffer area for every line
@@ -37,72 +37,109 @@ typedef struct {
     unsigned unused                  :2;
 } HB_CharAttributes_Dummy;
 
-unsigned char *ChatLineModelItem::TextBoundaryFinderBuffer = (unsigned char *)malloc(512 * sizeof(HB_CharAttributes_Dummy));
-int ChatLineModelItem::TextBoundaryFinderBufferSize = 512 * (sizeof(HB_CharAttributes_Dummy) / sizeof(unsigned char));
+// PRIVATE DATA FOR CHATLINE MODEL ITEM
+class ChatLineModelItemPrivate {
 
-struct ChatLineModelItemPrivate {
-  ChatLineModel::WrapList wrapList;
-};
+public:
+  inline ChatLineModelItemPrivate(const Message &msg);
+  ~ChatLineModelItemPrivate();
 
-ChatLineModelItem::ChatLineModelItem(const Message &msg)
-  : MessageModelItem(msg),
-    _data(new ChatLineModelItemPrivate)
-{
-  QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(msg);
+  inline bool needsStyling();
+  QVariant data(MessageModel::ColumnType column, int role);
+
+private:
+  void style();
+  void computeWrapList();
+
+  ChatLineModel::WrapList _wrapList;
+  Message *_msgBuffer;
+  UiStyle::StyledMessage *_styledMsg;
+
+  static unsigned char *TextBoundaryFinderBuffer;
+  static int TextBoundaryFinderBufferSize;
+};
 
-  _timestamp.plainText = m.timestamp.plainText;
-  _sender.plainText = m.sender.plainText;
-  _contents.plainText = m.contents.plainText;
+ChatLineModelItemPrivate::ChatLineModelItemPrivate(const Message &msg)
+: _msgBuffer(new Message(msg)),
+  _styledMsg(0) {
 
-  _timestamp.formatList = m.timestamp.formatList;
-  _sender.formatList = m.sender.formatList;
-  _contents.formatList = m.contents.formatList;
 }
 
-ChatLineModelItem::~ChatLineModelItem() {
-  delete _data;
+ChatLineModelItemPrivate::~ChatLineModelItemPrivate() {
+  if(_msgBuffer) {
+    delete _msgBuffer;
+  } else {
+    delete _styledMsg;
+  }
 }
 
-QVariant ChatLineModelItem::data(int column, int role) const {
-  const ChatLinePart *part = 0;
+bool ChatLineModelItemPrivate::needsStyling() {
+  return (bool)_msgBuffer;
+}
 
+QVariant ChatLineModelItemPrivate::data(MessageModel::ColumnType column, int role) {
+  if(needsStyling())
+    style();
   switch(column) {
-  case ChatLineModel::TimestampColumn:
-    part = &_timestamp;
-    break;
-  case ChatLineModel::SenderColumn:
-    part = &_sender;
-    break;
-  case ChatLineModel::ContentsColumn:
-    part = &_contents;
-    break;
-  default:
-    return MessageModelItem::data(column, role);
+    case ChatLineModel::TimestampColumn:
+      switch(role) {
+        case ChatLineModel::DisplayRole:
+          return _styledMsg->decoratedTimestamp();
+        case ChatLineModel::EditRole:
+          return _styledMsg->timestamp();
+        case ChatLineModel::FormatRole:
+          return QVariant::fromValue<UiStyle::FormatList>(UiStyle::FormatList()
+                                    << qMakePair((quint16)0, (quint32)_styledMsg->timestampFormat()));
+      }
+      break;
+    case ChatLineModel::SenderColumn:
+      switch(role) {
+        case ChatLineModel::DisplayRole:
+          return _styledMsg->decoratedSender();
+        case ChatLineModel::EditRole:
+          return _styledMsg->plainSender();
+        case ChatLineModel::FormatRole:
+          return QVariant::fromValue<UiStyle::FormatList>(UiStyle::FormatList()
+                                    << qMakePair((quint16)0, (quint32)_styledMsg->senderFormat()));
+      }
+      break;
+    case ChatLineModel::ContentsColumn:
+      switch(role) {
+        case ChatLineModel::DisplayRole:
+        case ChatLineModel::EditRole:
+          return _styledMsg->plainContents();
+        case ChatLineModel::FormatRole:
+          return QVariant::fromValue<UiStyle::FormatList>(_styledMsg->contentsFormatList());
+        case ChatLineModel::WrapListRole:
+          if(_wrapList.isEmpty())
+            computeWrapList();
+          return QVariant::fromValue<ChatLineModel::WrapList>(_wrapList);
+      }
+      break;
+    default:
+      Q_ASSERT(false);
+      return 0;
   }
+  return QVariant();
+}
 
-  switch(role) {
-  case ChatLineModel::DisplayRole:
-    return part->plainText;
-  case ChatLineModel::FormatRole:
-    return QVariant::fromValue<UiStyle::FormatList>(part->formatList);
-  case ChatLineModel::WrapListRole:
-    if(column != ChatLineModel::ContentsColumn)
-      return QVariant();
-    if(_data->wrapList.isEmpty())
-      computeWrapList();
-    return QVariant::fromValue<ChatLineModel::WrapList>(_data->wrapList);
-  }
-  return MessageModelItem::data(column, role);
+void ChatLineModelItemPrivate::style() {
+  _styledMsg = new QtUiStyle::StyledMessage(*_msgBuffer);
+  _styledMsg->style(QtUi::style());
+  delete _msgBuffer;
+  _msgBuffer = 0;
 }
 
-void ChatLineModelItem::computeWrapList() const {
-  if(_contents.plainText.isEmpty())
+void ChatLineModelItemPrivate::computeWrapList() {
+  int length = _styledMsg->contents().length();
+  if(!length)
     return;
 
   enum Mode { SearchStart, SearchEnd };
 
   QList<ChatLineModel::Word> wplist;  // use a temp list which we'll later copy into a QVector for efficiency
-  QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _contents.plainText.unicode(), _contents.plainText.length(), TextBoundaryFinderBuffer, TextBoundaryFinderBufferSize);
+  QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _styledMsg->contents().unicode(), length,
+                              TextBoundaryFinderBuffer, TextBoundaryFinderBufferSize);
 
   int idx;
   int oldidx = 0;
@@ -113,21 +150,21 @@ void ChatLineModelItem::computeWrapList() const {
   word.start = 0;
   qreal wordstartx = 0;
 
-  QTextLayout layout(_contents.plainText);
+  QTextLayout layout(_styledMsg->contents());
   QTextOption option;
   option.setWrapMode(QTextOption::NoWrap);
   layout.setTextOption(option);
 
-  layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(_contents.formatList, _contents.plainText.length()));
+  layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(_styledMsg->contentsFormatList(), length));
   layout.beginLayout();
   QTextLine line = layout.createLine();
-  line.setNumColumns(_contents.plainText.length());
+  line.setNumColumns(length);
   layout.endLayout();
 
   do {
     idx = finder.toNextBoundary();
     if(idx < 0) {
-      idx = _contents.plainText.length();
+      idx = length;
       wordStart = false;
       wordEnd = false;
       mode = SearchStart;
@@ -136,7 +173,7 @@ void ChatLineModelItem::computeWrapList() const {
       wordEnd = finder.boundaryReasons().testFlag(QTextBoundaryFinder::EndWord);
     }
 
-    //if(flg) qDebug() << idx << mode << wordStart << wordEnd << _contents.plainText.left(idx) << _contents.plainText.mid(idx);
+    //if(flg) qDebug() << idx << mode << wordStart << wordEnd << contents->plainText.left(idx) << contents->plainText.mid(idx);
 
     if(mode == SearchEnd || (!wordStart && wordEnd)) {
       if(wordStart || !wordEnd) continue;
@@ -146,6 +183,7 @@ void ChatLineModelItem::computeWrapList() const {
     }
     qreal wordendx = line.cursorToX(oldidx);
     qreal trailingendx = line.cursorToX(idx);
+    word.endX = wordendx;
     word.width = wordendx - wordstartx;
     word.trailing = trailingendx - wordendx;
     wordstartx = trailingendx;
@@ -155,14 +193,41 @@ void ChatLineModelItem::computeWrapList() const {
       word.start = idx;
       mode = SearchEnd;
     }
-    // the part " || (finder.position() == _contents.plainText.length())" shouldn't be necessary
+    // the part " || (finder.position() == contents->plainText.length())" shouldn't be necessary
     // but in rare and indeterministic cases Qt states that the end of the text is not a boundary o_O
-  } while(finder.isAtBoundary() || (finder.position() == _contents.plainText.length()));
+  } while(finder.isAtBoundary() || (finder.position() == length));
 
   // A QVector needs less space than a QList
-  _data->wrapList.resize(wplist.count());
+  _wrapList.resize(wplist.count());
   for(int i = 0; i < wplist.count(); i++) {
-    _data->wrapList[i] = wplist.at(i);
+    _wrapList[i] = wplist.at(i);
   }
 }
 
+unsigned char *ChatLineModelItemPrivate::TextBoundaryFinderBuffer = (unsigned char *)malloc(512 * sizeof(HB_CharAttributes_Dummy));
+int ChatLineModelItemPrivate::TextBoundaryFinderBufferSize = 512 * (sizeof(HB_CharAttributes_Dummy) / sizeof(unsigned char));
+
+// ****************************************
+// the actual ChatLineModelItem
+// ****************************************
+ChatLineModelItem::ChatLineModelItem(const Message &msg)
+  : MessageModelItem(msg),
+    _data(new ChatLineModelItemPrivate(msg))
+{
+}
+
+ChatLineModelItem::ChatLineModelItem(const ChatLineModelItem &other)
+  : MessageModelItem(other)
+{
+  _data = new ChatLineModelItemPrivate(message());
+}
+
+ChatLineModelItem::~ChatLineModelItem() {
+  delete _data;
+}
+
+QVariant ChatLineModelItem::data(int column, int role) const {
+  QVariant d = _data->data((MessageModel::ColumnType)column, role);
+  if(!d.isValid()) return MessageModelItem::data(column, role);
+  return d;
+}