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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_SET_SOFT_CURSOR
#endif
/*
XW_STATUS Xw_set_soft_cursor (awindow,type,button)
XW_EXT_WINDOW *awindow
XW_CURSORTYPE type
int button Mouse Button number (1 to 3)
Associate the soft cursor to the window and a mouse button
Soft cursor is activated when Mouse Button is press
drawn when mouse move with button press
and Unactivated when Mouse Button is Release
Returns XW_ERROR if button is out of range
Returns XW_SUCCESS if successful
*/
static int Start = False ;
static XPoint points[100] ;
#ifdef XW_PROTOTYPE
static XW_STATUS Xw_rubberline_cursor(XW_EVENT *event) ;
static XW_STATUS Xw_rubberband_cursor(XW_EVENT *event) ;
static XW_STATUS Xw_userdefined_cursor(XW_EVENT *event) ;
static void DrawLines(XW_EXT_WINDOW *pwindow,XPoint *points,int npoint) ;
XW_STATUS Xw_set_soft_cursor (void *awindow,XW_CURSORTYPE type,int button)
#else
static XW_STATUS Xw_rubberline_cursor() ;
static XW_STATUS Xw_rubberband_cursor() ;
static XW_STATUS Xw_userdefined_cursor() ;
static void DrawLines() ;
XW_STATUS Xw_set_soft_cursor (awindow,type,button)
void *awindow ;
XW_CURSORTYPE type;
int button ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow ;
XW_EVENTTYPE mask1=(XW_EVENTTYPE ) 0 ,mask2=(XW_EVENTTYPE ) 0 ;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_set_soft_cursor",pwindow) ;
return (XW_ERROR) ;
}
if( button <= 0 || button > 3 ) {
/*WARNING*Bad Mouse button number*/
Xw_set_error(70,"Xw_set_soft_cursor",&button) ;
return (XW_ERROR) ;
}
if( button == 1 ) {
mask1 = XW_MOUSEBUTTON1 ; mask2 = XW_MOUSEMOVEWITHBUTTON1 ;
} else if( button == 2 ) {
mask1 = XW_MOUSEBUTTON2 ; mask2 = XW_MOUSEMOVEWITHBUTTON2 ;
} else if( button == 3 ) {
mask1 = XW_MOUSEBUTTON3 ; mask2 = XW_MOUSEMOVEWITHBUTTON3 ;
}
switch (type) {
case XW_WITHOUT_CURSOR :
Xw_set_internal_event(pwindow,mask1,NULL) ;
Xw_set_internal_event(pwindow,mask2,NULL) ;
break ;
case XW_RUBBERLINE_CURSOR :
Xw_set_internal_event(pwindow,mask1,
Xw_rubberline_cursor) ;
Xw_set_internal_event(pwindow,mask2,
Xw_rubberline_cursor) ;
break ;
case XW_RUBBERBAND_CURSOR :
Xw_set_internal_event(pwindow,mask1,
Xw_rubberband_cursor) ;
Xw_set_internal_event(pwindow,mask2,
Xw_rubberband_cursor) ;
break ;
case XW_USERDEFINED_CURSOR :
Xw_set_internal_event(pwindow,mask1,
Xw_userdefined_cursor) ;
Xw_set_internal_event(pwindow,mask2,
Xw_userdefined_cursor) ;
break ;
#ifndef DEB
default:
break ;
#endif
}
#ifdef TRACE_SET_SOFT_CURSOR
if( Xw_get_trace() ) {
printf (" Xw_set_soft_cursor(%lx,%d,%d)\n",(long ) pwindow,type,button) ;
}
#endif
return (XW_SUCCESS);
}
#ifdef XW_PROTOTYPE
static XW_STATUS Xw_rubberline_cursor(XW_EVENT *event)
#else
static XW_STATUS Xw_rubberline_cursor(event)
XW_EVENT *event ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*) event->any.awindow ;
#ifdef TRACE_SET_SOFT_CURSOR
if( Xw_get_trace() > 2 ) {
printf (" Xw_rubberline_cursor(%lx,%d)\n",
(long ) event->any.awindow,event->any.type) ;
}
#endif
switch (event->any.type) {
case XW_MOUSEBUTTON1 :
case XW_MOUSEBUTTON2 :
case XW_MOUSEBUTTON3 :
if( Start ) {
Start = False ;
DrawLines(pwindow,points,2) ;
} else {
points[0].x = event->mousebutton.x ;
points[0].y = event->mousebutton.y ;
}
break ;
case XW_MOUSEMOVEWITHBUTTON1 :
case XW_MOUSEMOVEWITHBUTTON2 :
case XW_MOUSEMOVEWITHBUTTON3 :
if( Start ) {
DrawLines(pwindow,points,2) ;
}
Start = True ;
points[1].x = event->mousemovewithbutton.x - points[0].x ;
points[1].y = event->mousemovewithbutton.y - points[0].y ;
DrawLines(pwindow,points,2) ;
XFlush(_DISPLAY) ;
break ;
#ifndef DEB
default:
break ;
#endif
}
return (XW_SUCCESS) ;
}
#ifdef XW_PROTOTYPE
static XW_STATUS Xw_rubberband_cursor(XW_EVENT *event)
#else
static XW_STATUS Xw_rubberband_cursor(event)
XW_EVENT *event ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*) event->any.awindow ;
#ifdef TRACE_SET_SOFT_CURSOR
if( Xw_get_trace() > 2 ) {
printf (" Xw_rubberband_cursor(%lx,%d)\n",
(long ) event->any.awindow,event->any.type) ;
}
#endif
switch (event->any.type) {
case XW_MOUSEBUTTON1 :
case XW_MOUSEBUTTON2 :
case XW_MOUSEBUTTON3 :
if( Start ) {
Start = False ;
DrawLines(pwindow,points,5) ;
} else {
points[0].x = event->mousebutton.x ;
points[0].y = event->mousebutton.y ;
}
break ;
case XW_MOUSEMOVEWITHBUTTON1 :
case XW_MOUSEMOVEWITHBUTTON2 :
case XW_MOUSEMOVEWITHBUTTON3 :
if( Start ) {
DrawLines(pwindow,points,5) ;
}
Start = True ;
points[1].x = 0 ;
points[1].y = event->mousemovewithbutton.y - points[0].y ;
points[2].x = event->mousemovewithbutton.x - points[0].x ;
points[2].y = 0 ;
points[3].x = 0 ;
points[3].y = -points[1].y ;
points[4].x = -points[2].x ;
points[4].y = 0 ;
DrawLines(pwindow,points,5) ;
XFlush(_DISPLAY) ;
break ;
#ifndef DEB
default:
break ;
#endif
}
return (XW_SUCCESS) ;
}
#ifdef XW_PROTOTYPE
static XW_STATUS Xw_userdefined_cursor(XW_EVENT *event)
#else
static XW_STATUS Xw_userdefined_cursor(event)
XW_EVENT *event ;
#endif /*XW_PROTOTYPE*/
{
#ifdef TRACE_SET_SOFT_CURSOR
if( Xw_get_trace() > 2 ) {
printf (" Xw_userdefined_cursor(%lx,%d)\n",
(long ) event->any.awindow,event->any.type) ;
}
#endif
Xw_set_error(97,"Xw_userdefined_cursor",&event->any.type) ;
return (XW_SUCCESS) ;
}
#ifdef XW_PROTOTYPE
static void DrawLines(XW_EXT_WINDOW *pwindow,XPoint *points,int npoint)
#else
static void DrawLines(pwindow,points,npoint)
XW_EXT_WINDOW *pwindow ;
XPoint *points ;
int npoint ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_DISPLAY *pdisplay = pwindow->connexion ;
if( _DGRAB ) {
int xs = points[0].x,ys = points[0].y ;
points[0].x += _X ; points[0].y += _Y ;
XDrawLines(_DISPLAY,_DROOT,_DGC,points,npoint,CoordModePrevious) ;
points[0].x = xs ; points[0].y = ys ;
} else {
XDrawLines(_DISPLAY,_WINDOW,pwindow->qgwind.gchigh,
points,npoint,CoordModePrevious) ;
}
}
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