fix Qt 6 compile

src/Screen.cpp

@@ -1714,7 +1714,7 @@ void Screen::selectReplContigious(const int x, const int y)
     if (row < _history->getLines()) {
         col = std::min(col, _history->getLineLen(row) - 1);
     } else {
-        col = std::min(col, _screenLines[row - _history->getLines()].size() - 1);
+        col = std::min(col, int(_screenLines[row - _history->getLines()].size()) - 1);
     }
     while (col > 0 && (getCharacter(col, row).flags & EF_REPL) == EF_REPL_NONE) {
         col--;

src/Vt102Emulation.cpp

@@ -1048,19 +1048,19 @@ void Vt102Emulation::processSessionAttributeRequest(const int tokenSize, const u
     }
 
     if (attribute == 133) {
-        if (value[0] == L'A' || value[0] == L'N' || value[0] == L'P') {
+        if (value[0] == QLatin1Char('A') || value[0] == QLatin1Char('N') || value[0] == QLatin1Char('P')) {
             _currentScreen->setReplMode(REPL_PROMPT);
         }
-        if (value[0] == L'L' && _currentScreen->getCursorX() > 0) {
+        if (value[0] == QLatin1Char('L') && _currentScreen->getCursorX() > 0) {
             _currentScreen->nextLine();
         }
-        if (value[0] == L'B') {
+        if (value[0] == QLatin1Char('B')) {
             _currentScreen->setReplMode(REPL_INPUT);
         }
-        if (value[0] == L'C') {
+        if (value[0] == QLatin1Char('C')) {
             _currentScreen->setReplMode(REPL_OUTPUT);
         }
-        if (value[0] == L'D') {
+        if (value[0] == QLatin1Char('D')) {
             _currentScreen->setReplMode(REPL_None);
         }
     }
@@ -2671,9 +2671,9 @@ void Vt102Emulation::reportDecodingError(int token)
     }
 
     if ((token & 0xff) != 3) { // SCS
-        outputError.append((token >> 8) & 0xff);
+        outputError.append(QLatin1Char((token >> 8) & 0xff));
     } else {
-        outputError.append((token >> 16) & 0xff);
+        outputError.append(QLatin1Char((token >> 16) & 0xff));
     }
 
     qCDebug(KonsoleDebug).noquote() << outputError;

src/terminalDisplay/TerminalPainter.cpp

@@ -104,7 +104,7 @@ void TerminalPainter::drawContents(Character *image,
         QFont::Bold,
         QFont::Black,
     };
-    const auto normalWeight = m_parentDisplay->font().weight();
+    const QFont::Weight normalWeight = static_cast<QFont::Weight>(m_parentDisplay->font().weight()); // Qt6: cast can go away
     auto it = std::upper_bound(std::begin(FontWeights), std::end(FontWeights), normalWeight);
     const QFont::Weight boldWeight = it != std::end(FontWeights) ? *it : QFont::Black;
     paint.setRenderHint(QPainter::Antialiasing, m_parentDisplay->terminalFont()->antialiasText());
@@ -886,7 +886,7 @@ void TerminalPainter::drawTextCharacters(QPainter &painter,
                                          bool printerFriendly,
                                          RenditionFlags &oldRendition,
                                          QColor oldColor,
-                                         int normalWeight,
+                                         QFont::Weight normalWeight,
                                          QFont::Weight boldWeight)
 {
     // setup painter

src/terminalDisplay/TerminalPainter.h

@@ -127,7 +127,7 @@ private:
                             bool printerFriendly,
                             RenditionFlags &oldRendition,
                             QColor oldColor,
-                            int normalWeight,
+                            QFont::Weight normalWeight,
                             QFont::Weight boldWeight);
 };