add Map inverse geocoding

add minimum/maximum to ScrollSpinBox

libs/widgets/scroll_spin_box.cpp

@@ -37,6 +37,8 @@ ScrollSpinBox::ScrollSpinBox(QWidget * parent): QWidget(parent) {
 	connect(ui->spin, SIGNAL(valueChanged(double)), this, SIGNAL(valueChanged(double)));
 	last_value   = 0.;
 	sensivity_   = 0.2;
+	m_maximum    = 2147483647;
+	m_minimum    = -m_maximum;
 	scroll_scale = sensivity_ / 10;
 	canceled     = false;
 }
@@ -108,12 +110,24 @@ void ScrollSpinBox::mouseMove(QMouseEvent * e) {
 		double dv = (down_pos.y() - e->pos().y()) * scroll_scale;
 		if (dv != 0.) {
 			QCursor::setPos(ui->handle->mapToGlobal(down_pos));
-			ui->spin->setValue(ui->spin->value() + last_value * dv);
+			setValue(ui->spin->value() + last_value * dv);
 		}
 	}
 }
 
 
 void ScrollSpinBox::setValue(double v) {
-	ui->spin->setValue(v);
+	ui->spin->setValue(qBound(m_minimum, v, m_maximum));
+}
+
+
+void ScrollSpinBox::setMinimum(int minimum) {
+	m_minimum = minimum;
+	setValue(value());
+}
+
+
+void ScrollSpinBox::setMaximum(int maximum) {
+	m_maximum = maximum;
+	setValue(value());
 }