play around with Scintilla and Lexilla

sciedit.cpp

@@ -0,0 +1,65 @@
+#include "sciedit.h"
+
+SciEdit::SciEdit(QWidget * parent)
+    : ScintillaEdit(parent)
+{
+    connect(this, &ScintillaEditBase::updateUi, this, [this](){
+        int curPos = currentPos();
+        emit cursorPosChanged(lineFromPosition(curPos) + 1, column(curPos));
+    });
+}
+
+void SciEdit::setStyleFont(const QFont &font, int style)
+{
+    styleSetFont(style, font.family().toUtf8().constData());
+    styleSetSizeFractional(0, long(font.pointSizeF() * SC_FONT_SIZE_MULTIPLIER));
+}
+
+void SciEdit::setFolding(FoldType foldType, int margin)
+{
+    if (foldType == NoFoldType) {
+        setMarginWidthN(margin, 0L);
+        return;
+    }
+
+    int mask = modEventMask();
+    setModEventMask(mask | SC_MOD_CHANGEFOLD);
+    setFoldFlags(SC_FOLDFLAG_LINEAFTER_CONTRACTED);
+    setMarginTypeN(margin, SC_MARGIN_SYMBOL);
+    setMarginMaskN(margin, SC_MASK_FOLDERS);
+    setMarginSensitiveN(margin, 1);
+
+    setMarkerDefine(SC_MARKNUM_FOLDEROPEN, SC_MARK_BOXMINUS);
+    setMarkerDefine(SC_MARKNUM_FOLDER, SC_MARK_BOXPLUS);
+    setMarkerDefine(SC_MARKNUM_FOLDERSUB, SC_MARK_VLINE);
+    setMarkerDefine(SC_MARKNUM_FOLDERTAIL, SC_MARK_LCORNER);
+    setMarkerDefine(SC_MARKNUM_FOLDEREND, SC_MARK_BOXPLUSCONNECTED);
+    setMarkerDefine(SC_MARKNUM_FOLDEROPENMID, SC_MARK_BOXMINUSCONNECTED);
+    setMarkerDefine(SC_MARKNUM_FOLDERMIDTAIL, SC_MARK_TCORNER);
+
+    setMarginWidthN(margin, 14);
+    return;
+}
+
+void SciEdit::setLexer(Scintilla::ILexer5 *lexer)
+{
+    setILexer((sptr_t)lexer);
+
+    qDebug() << lexer->GetName() << "lexer-------------";
+}
+
+void SciEdit::sendColor(unsigned int iMessage, uptr_t wParam, const QColor &color) const
+{
+    sptr_t lParam = (color.blue() << 16) | (color.green() << 8) | color.red();
+    send(iMessage, wParam, lParam);
+}
+
+void SciEdit::setMarkerDefine(int markerNumber, int markerSymbol)
+{
+    markerDefine(markerNumber, markerSymbol);
+    // necessary?
+    if (markerSymbol != SC_MARK_EMPTY) {
+        sendColor(SCI_MARKERSETFORE, markerNumber, QColor(Qt::white));
+        sendColor(SCI_MARKERSETBACK, markerNumber, QColor(128, 128, 128));
+    }
+}