Version 5.0 The LEDA User Manual

int W.read mouse seg(const point& p, point& q)
as above with x 0 = p.xcoord( ) and y 0 = p.ycoord( ) and
the current position is assigned to q.
int W.read mouse line(double x 0 , double y 0 , double& x, double& y)
int W.read mouse line(const point& p, point& q)
displays a line passing through (x 0 , y 0 ) and the current
cursor position until a mouse button is pressed inside the
drawing section of W . When a button is pressed the current
position is assigned to (x, y) and the number of the
pressed button is returned.
as above with x 0 = p.xcoord( ) and y 0 = p.ycoord( ) and
the current position is assigned to q.
int W.read mouse ray(double x 0 , double y 0 , double& x, double& y)
int W.read mouse ray(const point& p, point& q)
displays a ray from (x 0 , y 0 ) passing through the current
cursor position until a mouse button is pressed inside the
drawing section of W . When a button is pressed the current
position is assigned to (x, y) and the number of the
pressed button is returned.
as above with x 0 = p.xcoord( ) and y 0 = p.ycoord( ) and
the current position is assigned to q.
int W.read mouse rect(double x 0 , double y 0 , double& x, double& y)
int W.read mouse rect(const point& p, point& q)
displays a rectangle with diagonal from (x 0 , y 0 ) to the current
cursor position until a mouse button is pressed inside
the drawing section of W . When a button is pressed the
current position is assigned to (x, y) and the number of
the pressed button is returned.
as above with x 0 = p.xcoord( ) and y 0 = p.ycoord( ) and
the current position is assigned to q.
int W.read mouse circle(double x 0 , double y 0 , double& x, double& y)
int W.read mouse circle(const point& p, point& q)
displays a circle with center (x 0 , y 0 ) passing through the
current cursor position until a mouse button is pressed
inside the drawing section of W . When a button is pressed
the current position is assigned to (x, y) and the number
of the pressed button is returned.
as above with x 0 = p.xcoord( ) and y 0 = p.ycoord( ) and
the current position is assigned to q.