X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatlinemodelitem.cpp;h=aebde9dd951b49cd163649a1b3495cbec39af8e9;hp=dbd5e933fb48aaed894d7f5d26cce3837f79a8f3;hb=8a630c9f7a01e24a2ae0d8aae8974d0b5509ad7d;hpb=aefcf3c3799a9deb286723eccc124760ce4d898d

diff --git a/src/qtui/chatlinemodelitem.cpp b/src/qtui/chatlinemodelitem.cpp
index dbd5e933..aebde9dd 100644
--- a/src/qtui/chatlinemodelitem.cpp
+++ b/src/qtui/chatlinemodelitem.cpp
@@ -18,37 +18,110 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
+#include <QFontMetrics>
+#include <QTextBoundaryFinder>
+
 #include "chatlinemodelitem.h"
 #include "chatlinemodel.h"
 #include "qtui.h"
 #include "uistyle.h"
 
-ChatlineModelItem::ChatlineModelItem(const Message &msg) : MessageModelItem(msg) {
-  _msg = QtUi::style()->styleMessage(msg);
+ChatLineModelItem::ChatLineModelItem(const Message &msg) : MessageModelItem(msg) {
+  QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(msg);
+
+  _timestamp.plainText = m.timestamp.plainText;
+  _sender.plainText = m.sender.plainText;
+  _contents.plainText = m.contents.plainText;
+
+  _timestamp.formatList = m.timestamp.formatList;
+  _sender.formatList = m.sender.formatList;
+  _contents.formatList = m.contents.formatList;
 
+  computeWrapList();
 }
 
 
-QVariant ChatlineModelItem::data(int column, int role) const {
+QVariant ChatLineModelItem::data(int column, int role) const {
+  const ChatLinePart *part;
+
+  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);
+  }
+
   switch(role) {
-    case ChatlineModel::DisplayRole:
-      switch(column) {
-        case ChatlineModel::TimestampColumn: return _msg.timestamp.text;
-        case ChatlineModel::SenderColumn:    return _msg.sender.text;
-        case ChatlineModel::TextColumn:      return _msg.text.text;
-      }
-      break;
-    case ChatlineModel::FormatRole:
-      switch(column) {
-        case ChatlineModel::TimestampColumn: return QVariant::fromValue<UiStyle::FormatList>(_msg.timestamp.formats);
-        case ChatlineModel::SenderColumn:    return QVariant::fromValue<UiStyle::FormatList>(_msg.sender.formats);
-        case ChatlineModel::TextColumn:      return QVariant::fromValue<UiStyle::FormatList>(_msg.text.formats);
-      }
-      break;
+    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();
+      return QVariant::fromValue<ChatLineModel::WrapList>(_wrapList);
   }
+
   return MessageModelItem::data(column, role);
 }
 
-bool ChatlineModelItem::setData(int column, const QVariant &value, int role) {
+bool ChatLineModelItem::setData(int column, const QVariant &value, int role) {
   return false;
 }
+
+void ChatLineModelItem::computeWrapList() {
+  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);
+  int idx, oldidx;
+  bool wordStart = false; bool wordEnd = false;
+  Mode mode = SearchEnd;
+  ChatLineModel::Word word;
+  word.start = 0;
+  int wordstartx = 0;
+
+  QTextLayout layout(_contents.plainText);
+  QTextOption option;
+  option.setWrapMode(QTextOption::NoWrap);
+  layout.setTextOption(option);
+
+  layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(_contents.formatList, _contents.plainText.length()));
+  layout.beginLayout();
+  QTextLine line = layout.createLine();
+  line.setNumColumns(_contents.plainText.length());
+  layout.endLayout();
+
+  do {
+    idx = finder.toNextBoundary();
+    if(idx < 0) idx = _contents.plainText.length();
+    wordStart = finder.boundaryReasons().testFlag(QTextBoundaryFinder::StartWord);
+    wordEnd = finder.boundaryReasons().testFlag(QTextBoundaryFinder::EndWord);
+
+    //qDebug() << wordStart << wordEnd << _contents.plainText.left(idx) << _contents.plainText.mid(idx);
+
+    if(mode == SearchEnd || !wordStart && wordEnd) {
+      if(wordStart || !wordEnd) continue;
+      oldidx = idx;
+      mode = SearchStart;
+      continue;
+    }
+    int wordendx = line.cursorToX(oldidx);
+    int trailingendx = line.cursorToX(idx);
+    word.width = wordendx - wordstartx;
+    word.trailing = trailingendx - wordendx;
+    wordstartx = trailingendx;
+    wplist.append(word);
+
+    if(wordStart) {
+      word.start = idx;
+      mode = SearchEnd;
+    }
+  } while(finder.isAtBoundary());
+
+  // A QVector needs less space than a QList
+  _wrapList.resize(wplist.count());
+  for(int i = 0; i < wplist.count(); i++) {
+    _wrapList[i] = wplist.at(i);
+  }
+}
+