Widget
XmGetDragContext(
Widget w,
Time time )
{
XmDisplay xmDisplay;
XmDragContext matchedDC = NULL, dc = NULL;
Cardinal i;
_XmWidgetToAppContext(w);
_XmAppLock(app);
xmDisplay = (XmDisplay)XmGetXmDisplay(XtDisplay(w));
for(i = 0; i < xmDisplay->composite.num_children; i++)
{
dc = (XmDragContext)(xmDisplay->composite.children[i]);
if ((XmIsDragContext((Widget) dc)) && (CHECK_TIME(dc, time)) &&
((!matchedDC) ||
(matchedDC->drag.dragStartTime
< dc->drag.dragStartTime)) &&
!dc->core.being_destroyed)
matchedDC = dc;
}
_XmAppUnlock(app);
return((Widget)matchedDC);
}
Widget
XmGetDragContext(Widget w, Time time)
{
Widget disp = XmGetXmDisplay(XtDisplay(w)), dc = NULL;
Cardinal i;
DEBUGOUT(_LtDebug(__FILE__, w, "%s:XmGetDragContext(%d)\n",
__FILE__, __LINE__));
for (i = 0; i < MGR_NumChildren(disp); i++)
{
if (XmIsDragContext(MGR_Children(disp)[i]))
{
/* too late */
if (DC_DragStartTime(MGR_Children(disp)[i]) > time)
{
continue;
}
/* too early */
if (DC_DragFinishTime(MGR_Children(disp)[i]) != CurrentTime &&
DC_DragFinishTime(MGR_Children(disp)[i]) < time)
{
continue;
}
/* either nothing yet, or later than what we have already */
if (dc == NULL ||
(DC_DragStartTime(MGR_Children(disp)[i]) >=
DC_DragStartTime(dc)))
{
/* somebody's not doing a Cancel and it's not being removed */
if (!CoreBeingDestroyed(MGR_Children(disp)[i]))
{
dc = MGR_Children(disp)[i];
}
}
}
}
return dc;
}
Widget
_XmGetDragContextFromHandle(
Widget w,
Atom iccHandle )
{
XmDisplay xmDisplay;
XmDragContext dc;
Cardinal i;
xmDisplay = (XmDisplay)XmGetXmDisplay(XtDisplay(w));
for(i = 0; i < xmDisplay->composite.num_children; i++)
{
dc = (XmDragContext)(xmDisplay->composite.children[i]);
if ((XmIsDragContext((Widget) dc)) &&
(dc->drag.iccHandle == iccHandle) &&
!dc->core.being_destroyed)
return((Widget)dc);
}
return(NULL);
}
Widget
_XmGetDragContextFromHandle(Widget w, Atom iccHandle)
{
Widget disp = XmGetXmDisplay(XtDisplay(w)), dc;
Cardinal c;
DEBUGOUT(_LtDebug(__FILE__, w, "%s:_XmGetDragContextFromHandle(%d)\n",
__FILE__, __LINE__));
for (c = 0; c < MGR_NumChildren(disp); c++)
{
dc = MGR_Children(disp)[c];
if (XmIsDragContext(dc))
{
if (DC_ICCHandle(dc) == iccHandle && !CoreBeingDestroyed(dc))
{
return dc;
}
}
}
return NULL;
}
