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// Copyright 2005 by Anthony Liekens anthony@liekens.net
#include "coordinate.h"
#include "selection.h"
#include "canvas.h"
Selection::Selection()
{
state = NOT_SELECTING;
}
void
Selection::start(int x, int y)
{
state = SELECTING;
c1.setXMapped(x);
c1.setYMapped(y);
c2.setXMapped(x);
c2.setYMapped(y);
}
void
Selection::update(int x, int y)
{
// Updates lower bound if currently selecting
if (state == SELECTING)
{
c2.setXMapped(x);
c2.setYMapped(y);
}
}
void
Selection::end()
{
state = NOT_SELECTING;
}
void
Selection::render() {
if( state == SELECTING ) {
Canvas::drawMouseSelection(c1, c2);
}
}
double
Selection::getMinX() const {
return ( c1.getX() < c2.getX() ? c1.getX() : c2.getX() );
}
double
Selection::getMaxX() const {
return ( c1.getX() > c2.getX() ? c1.getX() : c2.getX() );
}
double
Selection::getMinY() const {
return ( c1.getY() < c2.getY() ? c1.getY() : c2.getY() );
}
double
Selection::getMaxY() const {
return ( c1.getY() > c2.getY() ? c1.getY() : c2.getY() );
}
bool
Selection::isEmpty() const
{
return c1 == c2;
}
bool
Selection::isSelecting() const
{
return state == SELECTING;
}
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