Line Object Class

Overview

Arrow Shape

Inherited Behavior and Resources

• The class pointer is xintLineObjectClass.
• The class name is XintLine.
• The header file is included as <Xint/Line.h>.

• XintFILLED
• XintSTICK
• XintHOLLOW

    typedef struct {
	    float start_x;
	    float start_y;
	    float end_x;
	    float end_y;
    } XintLine;

where

Member	Description
start_x, start_y	Coordinates of the line starting point.
end_x, end_y	Coordinates of the line ending point.

Resource Value	Description
XintNO_ARROW	No arrow is drawn.
XintDOUBLE_ARROW	An arrow on each end of the line is drawn.
XintEND_ARROW	An arrow on the line ending point is drawn.
XintSTART_ARROW	An arrow on the line starting point is draw.

Line Callbacks

Data Type	Member	Description
int	reason	Indicates why the callback was invoked.
XEvent *	event	Points to the XEvent that triggered the callback.
Boolean	doit	Set to False to cancel the operation on the Line object.
XintLine *	old_line	Current end points for the line.
XintLine *	new_line	Proposed new end points for the line.

Line Functions

     Object XintCreateLine (...)

Widget	parent	Parent of new Line object.
char *	name	Name of new Line object.
ArgList	arglist	List of resource/value items.
Cardinal	argcount	Number of items in arglist.

Macros

     Boolean XintIsLine (Object object)