source: trunk/src/gui/widgets/qlineedit_p.cpp@ 1021

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** This file is part of the QtGui module of the Qt Toolkit.
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** Foundation and appearing in the file LICENSE.LGPL included in the
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#include "qlineedit.h"
#include "qlineedit_p.h"

#ifndef QT_NO_LINEEDIT

#include "qabstractitemview.h"
#include "qclipboard.h"
#ifndef QT_NO_ACCESSIBILITY
#include "qaccessible.h"
#endif
#ifndef QT_NO_IM
#include "qinputcontext.h"
#include "qlist.h"
#endif

QT_BEGIN_NAMESPACE

const int QLineEditPrivate::verticalMargin(1);
const int QLineEditPrivate::horizontalMargin(2);

int QLineEditPrivate::xToPos(int x, QTextLine::CursorPosition betweenOrOn) const
{
    QRect cr = adjustedContentsRect();
    x-= cr.x() - hscroll + horizontalMargin;
    return control->xToPos(x, betweenOrOn);
}

QRect QLineEditPrivate::cursorRect() const
{
    QRect cr = adjustedContentsRect();
    int cix = cr.x() - hscroll + horizontalMargin;
    QRect crect = control->cursorRect();
    crect.moveTo(crect.topLeft() + QPoint(cix, vscroll));
    return crect;
}

#ifndef QT_NO_COMPLETER

void QLineEditPrivate::_q_completionHighlighted(QString newText)
{
    Q_Q(QLineEdit);
    if (control->completer()->completionMode() != QCompleter::InlineCompletion) {
        q->setText(newText);
    } else {
        int c = control->cursor();
        QString text = control->text();
        q->setText(text.left(c) + newText.mid(c));
        control->moveCursor(control->end(), false);
        control->moveCursor(c, true);
    }
}

#endif // QT_NO_COMPLETER

void QLineEditPrivate::_q_handleWindowActivate()
{
    Q_Q(QLineEdit);
    if (!q->hasFocus() && control->hasSelectedText())
        control->deselect();
}

void QLineEditPrivate::_q_textEdited(const QString &text)
{
    Q_Q(QLineEdit);
    emit q->textEdited(text);
#ifndef QT_NO_COMPLETER
    if (control->completer()
        && control->completer()->completionMode() != QCompleter::InlineCompletion)
        control->complete(-1); // update the popup on cut/paste/del
#endif
}

void QLineEditPrivate::_q_cursorPositionChanged(int from, int to)
{
    Q_Q(QLineEdit);
    q->update();
    emit q->cursorPositionChanged(from, to);
}

#ifdef QT_KEYPAD_NAVIGATION
void QLineEditPrivate::_q_editFocusChange(bool e)
{
    Q_Q(QLineEdit);
    q->setEditFocus(e);
}
#endif

void QLineEditPrivate::_q_selectionChanged()
{
    Q_Q(QLineEdit);
    if (!control->text().isEmpty() && control->preeditAreaText().isEmpty()) {
        QStyleOptionFrameV2 opt;
        q->initStyleOption(&opt);
        bool showCursor = control->hasSelectedText() ?
                          q->style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected, &opt, q):
                          q->hasFocus();
        setCursorVisible(showCursor);
    }

    emit q->selectionChanged();
}