Improve chat form performance

Should help with #266

widget/chatareawidget.cpp

@@ -20,6 +20,7 @@
 #include <QDesktopServices>
 #include <QTextTable>
 #include <QAbstractTextDocumentLayout>
+#include <QCoreApplication>
 
 ChatAreaWidget::ChatAreaWidget(QWidget *parent) :
     QTextBrowser(parent)
@@ -104,15 +105,13 @@ void ChatAreaWidget::insertMessage(ChatAction *msgAction)
     checkSlider();
 
     int row = chatTextTable->rows() - 1;
-//    chatTextTable->cellAt(row,0).firstCursorPosition().setBlockFormat(nameFormat);
-//    chatTextTable->cellAt(row,2).firstCursorPosition().setBlockFormat(dateFormat);
     QTextCursor cur = chatTextTable->cellAt(row,1).firstCursorPosition();
     cur.clearSelection();
     cur.setKeepPositionOnInsert(true);
+    chatTextTable->appendRows(1);
     chatTextTable->cellAt(row,0).firstCursorPosition().insertHtml(msgAction->getName());
     chatTextTable->cellAt(row,1).firstCursorPosition().insertHtml(msgAction->getMessage());
-    chatTextTable->cellAt(row,2).firstCursorPosition().insertHtml(msgAction->getDate());
+    chatTextTable->cellAt(row,2).firstCursorPosition().insertText(msgAction->getDate());
-    chatTextTable->appendRows(1);
 
     msgAction->setTextCursor(cur);
 

widget/tool/chataction.cpp

@@ -43,14 +43,14 @@ QString ChatAction::QImage2base64(const QImage &img)
 QString ChatAction::getName()
 {
     if (isMe)
-        return QString("<table width=100% cellspacing=0><tr><td align=right><div class=name_me>" + toHtmlChars(name) + "</div></td></tr></table>");
+        return QString("<div class=name_me>" + toHtmlChars(name) + "</div>");
     else
-        return QString("<table width=100% cellspacing=0><tr><td align=right><div class=name>" + toHtmlChars(name) + "</div></td></tr></table>");
+        return QString("<div class=name>" + toHtmlChars(name) + "</div>");
 }
 
 QString ChatAction::getDate()
 {
-    QString res = "<div class=date>" + date + "</div>";
+    QString res = date;
     return res;
 }