www.pudn.com > MicroWindows-Source-200606.zip > idler.cpp

// 
// Micro Windows Implementation 
// idler.h: the Idler 
// 
// $Revision: 1.2 $ 
// $Source: P:/MWINDOWS/LIB/rcs/idler.cpp $ 
// $Date: 1993/11/27 09:53:32 $ 
// 
 
// when the message queue is empty, idler sends messages 
// to its appliers. 
 
#include "idler.h" 
#include "global.h" 
 
void Idler::apply (View *applier) 
{ 
    applierList.put (applier); 
} 
 
void Idler::remove (View *applier) 
{ 
    View *obj = (View*)applierList.first(); 
 
    do 
    { 
        if (obj == NULL) break; 
        if (obj == applier) applierList.remove (); 
        obj = (View*)applierList.next(); 
    } while (1); 
 
    msgqueue->removeBy (this, applier); 
} 
 
void Idler::pool (MessageQueue *queue) 
{ 
    if (queue->isEmpty() == FALSE) return; 
 
    View *obj  = (View*)applierList.first (); 
    do 
    { 
        if (obj == NULL) break; 
        queue->put (NULL, obj, this); 
        obj = (View*)applierList.next (); 
    } while (1); 
}