MyToolButton.cpp
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MyToolButton.cpp
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	#include "MyToolButton.h"

	#include "MainWindow.h"
	#include "SubmoduleMainWindow.h"

	#include <QPainter>

	MyToolButton::MyToolButton(QWidget *parent)
	: QToolButton(parent)
	{
	}

	void MyToolButton::setIndicatorMode(Indicator i)
	{
	indicator = i;
	update();
	}

	void MyToolButton::setDot(bool f)
	{
	indicator = Dot;
	number = f;
	update();
	}

	void MyToolButton::setNumber(int n)
	{
	indicator = Number;
	number = n;
	update();
	}

	void MyToolButton::paintEvent(QPaintEvent *event)
	{
	QToolButton::paintEvent(event);

	MainWindow mw = qobject_cast<MainWindow >(window());
	Q_ASSERT(mw);

	if (indicator == Dot && number > 0) {
	QPainter pr(this);
	pr.setRenderHint(QPainter::Antialiasing);
	int z = 10;
	QRect r(width() - z, 0, z, z);
	pr.setPen(Qt::NoPen);
	pr.setBrush(QColor(255, 0, 0));
	pr.drawEllipse(r);
	} else if (indicator == Number && number >= 0) {
	int w = mw->digitWidth();
	int h = mw->digitHeight();
	QPixmap pm;
	{
	char tmp[100];
	int n = sprintf(tmp, "%u", number);

	pm = QPixmap((w + 1) * n + 3, h + 4);
	pm.fill(Qt::red);

	QPainter pr(&pm);
	for (int i = 0; i < n; i++) {
	mw->drawDigit(&pr, 2 + i * (w + 1), 2, tmp[i] - '0');
	}
	}
	QPainter pr(this);
	pr.drawPixmap(width() - pm.width(), 0, pm);
	}
	}