52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
#include "ToolboxButton.h"
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#include <QPainter>
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#include <QFontMetrics>
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#include <QPalette>
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const int ICON_SIZE = 50;
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const int INDICATOR_WIDTH = 4;
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const int PADDING = 8;
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ToolboxButton::ToolboxButton(QWidget *pr) :
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QAbstractButton(pr)
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{
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setCheckable(true);
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}
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void ToolboxButton::paintEvent(QPaintEvent *event)
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{
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QPainter painter(this);
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if (isChecked()) {
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QRect indicatorRect = rect();
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indicatorRect.setWidth(INDICATOR_WIDTH);
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painter.fillRect(indicatorRect, Qt::white);
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}
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const int iconLeft = (width() - ICON_SIZE) / 2;
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QRect iconRect(iconLeft, PADDING, ICON_SIZE, ICON_SIZE);
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// QIcon can paint itself disabled, but it's hard to synchronize the
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// text appearance with that
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icon().paint(&painter, iconRect, Qt::AlignCenter,
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isEnabled() ? QIcon::Normal : QIcon::Disabled);
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// white with 50% opacity is what Mac style uses
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const QColor iconColor = isEnabled() ? Qt::white : QColor(255, 255, 255, 128);
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painter.setPen(iconColor);
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QRect textRect = rect();
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textRect.setTop(iconRect.bottom());
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painter.drawText(textRect, Qt::AlignHCenter, text());
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}
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QSize ToolboxButton::sizeHint() const
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{
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QSize icon(ICON_SIZE, ICON_SIZE);
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QFontMetrics metrics(font());
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QRect bounds = metrics.boundingRect(text());
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const int PAD_2 = PADDING * 2;
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return QSize(qMax(ICON_SIZE, bounds.width()) + PAD_2, ICON_SIZE + bounds.height() + PAD_2);
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}
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