Method inputMethodEvent

src/qscint/src/InputMethod.cpp:130–214

}

void QsciScintillaBase::inputMethodEvent(QInputMethodEvent *event)
{
    // Copy & paste by johnsonj with a lot of helps of Neil
    // Great thanks for my forerunners, jiniya and BLUEnLIVE

    if (sci->pdoc->IsReadOnly() || sci->SelectionContainsProtected()) {
        // Here, a canceling and/or completing composition function is needed.
        return;
    }

    bool initialCompose = false;
    if (sci->pdoc->TentativeActive()) {
        sci->pdoc->TentativeUndo();
    } else {
        // No tentative undo means start of this composition so
        // Fill in any virtual spaces.
        initialCompose = true;
    }

    sci->view.imeCaretBlockOverride = false;

    if (!event->commitString().isEmpty()) {
        const QString commitStr = event->commitString();
        const int commitStrLen = commitStr.length();

        for (int i = 0; i < commitStrLen;) {
            const int ucWidth = commitStr.at(i).isHighSurrogate() ? 2 : 1;
            const QString oneCharUTF16 = commitStr.mid(i, ucWidth);
            const QByteArray oneChar = textAsBytes(oneCharUTF16);
            const int oneCharLen = oneChar.length();

            sci->AddCharUTF(oneChar.data(), oneChar.length());
            i += ucWidth;
        }

    } else if (!event->preeditString().isEmpty()) {
        const QString preeditStr = event->preeditString();
        const int preeditStrLen = preeditStr.length();
        if (preeditStrLen == 0) {
            sci->ShowCaretAtCurrentPosition();
            return;
        }

        if (initialCompose)
            sci->ClearBeforeTentativeStart();
        sci->pdoc->TentativeStart(); // TentativeActive() from now on.

        std::vector<int> imeIndicator = MapImeIndicators(event);

        for (unsigned int i = 0; i < preeditStrLen;) {
            const unsigned int ucWidth = preeditStr.at(i).isHighSurrogate() ? 2 : 1;
            const QString oneCharUTF16 = preeditStr.mid(i, ucWidth);
            const QByteArray oneChar = textAsBytes(oneCharUTF16);
            const int oneCharLen = oneChar.length();

            sci->AddCharUTF(oneChar.data(), oneCharLen);

            DrawImeIndicator(sci, imeIndicator[i], oneCharLen);