37 lines
815 B
C++
37 lines
815 B
C++
#include "lineedit.h"
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#include <QPainter>
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#include <QPaintEvent>
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LineEdit::LineEdit(QWidget* parent)
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: QLineEdit(parent)
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{
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}
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void LineEdit::SetHint(const QString& hint) {
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hint_ = hint;
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update();
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}
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void LineEdit::paintEvent(QPaintEvent* e) {
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QLineEdit::paintEvent(e);
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if (!hasFocus() && displayText().isEmpty() && !hint_.isEmpty()) {
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QPainter p(this);
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QFont font;
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font.setItalic(true);
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font.setPointSize(font.pointSize()-1);
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QFontMetrics m(font);
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const int kBorder = (height() - m.height()) / 2;
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p.setPen(palette().color(QPalette::Disabled, QPalette::Text));
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p.setFont(font);
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QRect r(rect().topLeft() + QPoint(kBorder + 5, kBorder),
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rect().bottomRight() - QPoint(kBorder, kBorder));
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p.drawText(r, Qt::AlignLeft | Qt::AlignVCenter, hint_);
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}
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}
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