X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fuisupport%2Fmultilineedit.cpp;h=53341f7a7c15655ca035f2cc3771177b76e1ca20;hp=3a6876b06822ab8479040e3ca304a7dedc4ed014;hb=2e9492d9ef198bde37da1f858602ab9624c0a12a;hpb=57c08c48e867edf38a9ce0547719cbd1b839952d

diff --git a/src/uisupport/multilineedit.cpp b/src/uisupport/multilineedit.cpp
index 3a6876b0..53341f7a 100644
--- a/src/uisupport/multilineedit.cpp
+++ b/src/uisupport/multilineedit.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005/06 by the Quassel Project                          *
+ *   Copyright (C) 2005-2010 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -54,10 +54,29 @@ MultiLineEdit::MultiLineEdit(QWidget *parent)
   enableFindReplace(false);
 #endif
 
-  setMode(SingleLine); setLineWrapMode(WidgetWidth);
+  setMode(SingleLine);
+  setWordWrapEnabled(false);
   reset();
 
   connect(this, SIGNAL(textChanged()), this, SLOT(on_textChanged()));
+
+  _mircColorMap["00"] = "#ffffff";
+  _mircColorMap["01"] = "#000000";
+  _mircColorMap["02"] = "#000080";
+  _mircColorMap["03"] = "#008000";
+  _mircColorMap["04"] = "#ff0000";
+  _mircColorMap["05"] = "#800000";
+  _mircColorMap["06"] = "#800080";
+  _mircColorMap["07"] = "#ffa500";
+  _mircColorMap["08"] = "#ffff00";
+  _mircColorMap["09"] = "#00ff00";
+  _mircColorMap["10"] = "#008080";
+  _mircColorMap["11"] = "#00ffff";
+  _mircColorMap["12"] = "#4169e1";
+  _mircColorMap["13"] = "#ff00ff";
+  _mircColorMap["14"] = "#808080";
+  _mircColorMap["15"] = "#c0c0c0";
+
 }
 
 MultiLineEdit::~MultiLineEdit() {
@@ -162,10 +181,15 @@ void MultiLineEdit::setSpellCheckEnabled(bool enable) {
 
 void MultiLineEdit::setWordWrapEnabled(bool enable) {
   setLineWrapMode(enable? WidgetWidth : NoWrap);
+  updateSizeHint();
+}
+
+void MultiLineEdit::setPasteProtectionEnabled(bool enable, QWidget *) {
+  _pasteProtectionEnabled = enable;
 }
 
 void MultiLineEdit::historyMoveBack() {
-  addToHistory(text(), true);
+  addToHistory(convertHtmlToMircCodes(html()), true);
 
   if(idx > 0) {
     idx--;
@@ -174,7 +198,7 @@ void MultiLineEdit::historyMoveBack() {
 }
 
 void MultiLineEdit::historyMoveForward() {
-  addToHistory(text(), true);
+  addToHistory(convertHtmlToMircCodes(html()), true);
 
   if(idx < history.count()) {
     idx++;
@@ -183,7 +207,7 @@ void MultiLineEdit::historyMoveForward() {
     else
       reset();              // equals clear() in this case
   } else {
-    addToHistory(text());
+    addToHistory(convertHtmlToMircCodes(html()));
     reset();
   }
 }
@@ -225,8 +249,11 @@ void MultiLineEdit::keyPressEvent(QKeyEvent *event) {
 # endif
 #endif
 
-    if(_mode == SingleLine)
+    if(_mode == SingleLine) {
+      event->accept();
+      on_returnPressed();
       return;
+    }
 #ifdef HAVE_KDE
     KTextEdit::keyPressEvent(event);
 #else
@@ -290,9 +317,177 @@ void MultiLineEdit::keyPressEvent(QKeyEvent *event) {
 #endif
 }
 
+QString MultiLineEdit::convertHtmlToMircCodes(const QString &text) {
+  QRegExp regexHtmlContent = QRegExp("<p.*>(.*)</p>", Qt::CaseInsensitive);
+  regexHtmlContent.setMinimal(true);
+
+  QRegExp regexLines = QRegExp("(.*)(?:<br />)?", Qt::CaseInsensitive);
+  regexLines.setMinimal(true);
+
+  QRegExp regexStyles = QRegExp("(?:((<span.*>)(.*)</span>))", Qt::CaseInsensitive);
+  regexStyles.setMinimal(true);
+
+  QRegExp regexColors = QRegExp("((?:background-)?color):(#[0-9a-f]{6})", Qt::CaseInsensitive);
+  regexStyles.setMinimal(true);
+
+  QStringList result;
+  QString htmlContent, line, line2, styleText, style, content;
+
+  if (regexHtmlContent.indexIn((text)) > -1) {
+    htmlContent = regexHtmlContent.cap(1);
+    QStringList lines = htmlContent.split("<br />");
+    for (int i=0; i < lines.count(); i++) {
+      line = line2 = lines[i];
+      int posStyles = 0;
+      while ((posStyles = regexStyles.indexIn(line2, posStyles)) != -1) {
+        styleText = regexStyles.cap(1);
+        style = regexStyles.cap(2);
+        content = regexStyles.cap(3);
+
+        if (style.contains("font-weight:600;")) {
+          content.prepend('\x02');
+          content.append('\x02');
+        }
+        if (style.contains("font-style:italic;")) {
+          content.prepend('\x1d');
+          content.append('\x1d');
+        }
+        if (style.contains("text-decoration: underline;")) {
+          content.prepend('\x1f');
+          content.append('\x1f');
+        }
+        if (style.contains("color:#")) { // we have either foreground or background color or both
+          int posColors = 0;
+          QString mircFgColor, mircBgColor;
+          while ((posColors = regexColors.indexIn(style, posColors)) != -1) {
+            QString colorType = regexColors.cap(1);
+            QString color = regexColors.cap(2);
+
+            if (colorType == "color")
+              mircFgColor = _mircColorMap.key(color);
+
+            if (colorType == "background-color")
+              mircBgColor = _mircColorMap.key(color);
+
+            posColors += regexColors.matchedLength();
+          }
+          if (!mircBgColor.isEmpty())
+            content.prepend("," + mircBgColor);
+
+          // we need a fg color to be able to use a bg color
+          if (mircFgColor.isEmpty()) {
+            //FIXME try to use the current forecolor
+            mircFgColor = _mircColorMap.key(textColor().name());
+            if (mircFgColor.isEmpty())
+              mircFgColor = "01"; //use black if the current foreground color can't be converted
+          }
+
+          content.prepend(mircFgColor);
+          content.prepend('\x03');
+          content.append('\x03');
+        }
+
+        line.replace(styleText, content);
+        posStyles += regexStyles.matchedLength();
+      }
+
+      // get rid of all remaining html tags
+      QRegExp regexTags = QRegExp("<.*>",Qt::CaseInsensitive);
+      regexTags.setMinimal(true);
+      line.replace(regexTags, "");
+
+      line.replace("&amp;","&");
+      line.replace("&lt;","<");
+      line.replace("&gt;",">");
+      line.replace("&quot;","\"");
+
+      result << line;
+    }
+  }
+  return result.join("\n");
+}
+
+QString MultiLineEdit::convertMircCodesToHtml(const QString &text) {
+  QStringList words;
+  QRegExp mircCode = QRegExp("(|||)", Qt::CaseSensitive);
+
+  int posLeft = 0;
+  int posRight = 0;
+
+  for(;;) {
+    posRight = mircCode.indexIn(text, posLeft);
+
+    if(posRight < 0) {
+      words << text.mid(posLeft);
+      break; // no more mirc color codes
+    }
+
+    if (posLeft < posRight) {
+      words << text.mid(posLeft, posRight - posLeft);
+      posLeft = posRight;
+    }
+
+    posRight = text.indexOf(mircCode.cap(), posRight + 1);
+    words << text.mid(posLeft, posRight + 1 - posLeft);
+    posLeft = posRight + 1;
+  }
+
+  for (int i = 0; i < words.count(); i++) {
+      QString style;
+      if (words[i].contains('\x02')) {
+        style.append(" font-weight:600;");
+        words[i].replace('\x02',"");
+      }
+      if (words[i].contains('\x1d')) {
+        style.append(" font-style:italic;");
+        words[i].replace('\x1d',"");
+      }
+      if (words[i].contains('\x1f')) {
+        style.append(" text-decoration: underline;");
+        words[i].replace('\x1f',"");
+      }
+      if (words[i].contains('\x03')) {
+        int pos = words[i].indexOf('\x03');
+        int len = 3;
+        QString fg = words[i].mid(pos + 1,2);
+        QString bg;
+        if (words[i][pos+3] == ',')
+          bg = words[i].mid(pos+4,2);
+
+        style.append(" color:");
+        style.append(_mircColorMap[fg]);
+        style.append(";");
+
+        if (!bg.isEmpty()) {
+          style.append(" background-color:");
+          style.append(_mircColorMap[bg]);
+          style.append(";");
+          len = 6;
+        }
+        words[i].replace(pos, len, "");
+        words[i].replace('\x03',"");
+      }
+      words[i].replace("&","&amp;");
+      words[i].replace("<", "&lt;");
+      words[i].replace(">", "&gt;");
+      words[i].replace("\"", "&quot;");
+      if (style.isEmpty()) {
+        words[i] = "<span>" + words[i] + "</span>";
+      }
+      else {
+        words[i] = "<span style=\"" + style + "\">" + words[i] + "</span>";
+      }
+  }
+  return words.join("");
+}
+
 void MultiLineEdit::on_returnPressed() {
-  if(!text().isEmpty()) {
-    foreach(const QString &line, text().split('\n', QString::SkipEmptyParts)) {
+  on_returnPressed(convertHtmlToMircCodes(html()));
+}
+
+void MultiLineEdit::on_returnPressed(const QString & text) {
+  if(!text.isEmpty()) {
+    foreach(const QString &line, text.split('\n', QString::SkipEmptyParts)) {
       if(line.isEmpty())
         continue;
       addToHistory(line);
@@ -300,6 +495,8 @@ void MultiLineEdit::on_returnPressed() {
     }
     reset();
     tempHistory.clear();
+  } else {
+    emit noTextEntered();
   }
 }
 
@@ -307,8 +504,39 @@ void MultiLineEdit::on_textChanged() {
   QString newText = text();
   newText.replace("\r\n", "\n");
   newText.replace('\r', '\n');
-  if(_mode == SingleLine)
-    newText.replace('\n', ' ');
+  if(_mode == SingleLine) {
+    if(!pasteProtectionEnabled())
+      newText.replace('\n', ' ');
+    else if(newText.contains('\n')) {
+      QStringList lines = newText.split('\n', QString::SkipEmptyParts);
+      clear();
+
+      if(lines.count() >= 4) {
+        QString msg = tr("Do you really want to paste %n lines?", "", lines.count());
+        msg += "<p>";
+        for(int i = 0; i < 4; i++) {
+          msg += Qt::escape(lines[i].left(40));
+          if(lines[i].count() > 40)
+            msg += "...";
+          msg += "<br />";
+        }
+        msg += "...</p>";
+        QMessageBox question(QMessageBox::NoIcon, tr("Paste Protection"), msg, QMessageBox::Yes|QMessageBox::No);
+        question.setDefaultButton(QMessageBox::No);
+#ifdef Q_WS_MAC
+        question.setWindowFlags(question.windowFlags() | Qt::Sheet);
+#endif
+        if(question.exec() != QMessageBox::Yes)
+          return;
+      }
+
+      foreach(QString line, lines) {
+        clear();
+        insert(line);
+        on_returnPressed();
+      }
+    }
+  }
 
   _singleLine = (newText.indexOf('\n') < 0);
 
@@ -317,6 +545,7 @@ void MultiLineEdit::on_textChanged() {
     on_documentHeightChanged(_lastDocumentHeight);
   }
   updateSizeHint();
+  ensureCursorVisible();
 }
 
 void MultiLineEdit::on_documentHeightChanged(qreal) {
@@ -335,7 +564,8 @@ void MultiLineEdit::reset() {
 
 void MultiLineEdit::showHistoryEntry() {
   // if the user changed the history, display the changed line
-  setPlainText(tempHistory.contains(idx) ? tempHistory[idx] : history[idx]);
+  setHtml(convertMircCodesToHtml(tempHistory.contains(idx) ? tempHistory[idx] : history[idx]));
+  //setPlainText(tempHistory.contains(idx) ? tempHistory[idx] : history[idx]);
   QTextCursor cursor = textCursor();
   QTextBlockFormat format = cursor.blockFormat();
   format.setLeftMargin(leftMargin); // we want a little space between the frame and the contents