X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/03e11df5470fd64d9d9a669d0b50b84c2d714736..02becaf4b2665bd428f13404e1cbe2b919be598c:/src/mac/carbon/macnotfy.cpp diff --git a/src/mac/carbon/macnotfy.cpp b/src/mac/carbon/macnotfy.cpp index db406cdc63..8d22be40fd 100644 --- a/src/mac/carbon/macnotfy.cpp +++ b/src/mac/carbon/macnotfy.cpp @@ -7,132 +7,130 @@ * ------------------------------------------------------------------------- */ +#include "wx/wxprec.h" + #include "wx/wx.h" + +#include "wx/mac/private.h" + #include "wx/mac/macnotfy.h" const short kMaxEvents = 1000 ; struct wxMacNotificationEvents { - short top ; - short bottom ; - - wxMacNotificationProcPtr proc[kMaxEvents] ; - unsigned long events[kMaxEvents] ; - void* data[kMaxEvents] ; + short top ; + short bottom ; + + wxMacNotificationProcPtr proc[kMaxEvents] ; + unsigned long events[kMaxEvents] ; + void* data[kMaxEvents] ; } ; typedef struct wxMacNotificationEvents wxMacNotificationEvents ; -wxMacNotificationEvents gMacNotificationEvents ; +static wxMacNotificationEvents gMacNotificationEvents ; ProcessSerialNumber gAppProcess ; -void wxMacWakeUp() -{ - ProcessSerialNumber psn ; - Boolean isSame ; - psn.highLongOfPSN = 0 ; - psn.lowLongOfPSN = kCurrentProcess ; - SameProcess( &gAppProcess , &psn , &isSame ) ; - if ( isSame ) - { - PostEvent( nullEvent , 0 ) ; - } - else - { - WakeUpProcess( &gAppProcess ) ; - } -} - void wxMacCreateNotifierTable() { - GetCurrentProcess(&gAppProcess); - gMacNotificationEvents.top = 0 ; - gMacNotificationEvents.bottom = 0 ; - for ( int i = 0 ; i < kMaxEvents ; ++i ) - { - gMacNotificationEvents.proc[i] = NULL ; - gMacNotificationEvents.events[i] = NULL ; - gMacNotificationEvents.data[i] = NULL ; - } + GetCurrentProcess(&gAppProcess); + gMacNotificationEvents.top = 0 ; + gMacNotificationEvents.bottom = 0 ; + for ( int i = 0 ; i < kMaxEvents ; ++i ) + { + gMacNotificationEvents.proc[i] = NULL ; + gMacNotificationEvents.events[i] = 0 ; + gMacNotificationEvents.data[i] = NULL ; + } } void wxMacDestroyNotifierTable() { - wxASSERT( gMacNotificationEvents.top == gMacNotificationEvents.bottom ) ; } wxMacNotifierTableRef wxMacGetNotifierTable() { - return (wxMacNotifierTableRef) &gMacNotificationEvents ; + return (wxMacNotifierTableRef) &gMacNotificationEvents ; } void wxMacAddEvent( - wxMacNotifierTableRef table , - wxMacNotificationProcPtr handler , - unsigned long event , - void* data , - short wakeUp ) + wxMacNotifierTableRef table , + wxMacNotificationProcPtr handler , + unsigned long event , + void* data , + short wakeUp ) { - wxMacNotificationEvents *e = (wxMacNotificationEvents *) table ; - /* this should be protected eventually */ - short index = e->top++ ; - - if ( e->top == kMaxEvents ) - e->top = 0 ; - - e->proc[index] = handler ; - e->events[index] = event ; - e->data[index] = data ; - if ( wakeUp ) - wxMacWakeUp() ; + wxMacNotificationEvents *e = (wxMacNotificationEvents *) table ; + wxASSERT_MSG( handler != NULL , wxT("illegal notification proc ptr") ) ; + /* this should be protected eventually */ + short index = e->top++ ; + + if ( e->top == kMaxEvents ) + e->top = 0 ; + + e->proc[index] = handler ; + e->events[index] = event ; + e->data[index] = data ; + if ( wakeUp ) + wxMacWakeUp() ; } bool gInProcessing = false ; void wxMacRemoveAllNotifiersForData( wxMacNotifierTableRef table , void* data ) { - wxMacNotificationEvents *e = (wxMacNotificationEvents *) table ; - /* this should be protected eventually */ - short index = e->bottom ; - - while ( e->top != index ) - { - if ( index == kMaxEvents ) - index = 0 ; - if ( e->data[index] == data ) - e->data[index] = NULL ; - index++ ; - } + wxMacNotificationEvents *e = (wxMacNotificationEvents *) table ; + /* this should be protected eventually */ + short index = e->bottom ; + + while ( e->top != index ) + { + if ( e->data[index] == data ) + e->data[index] = NULL ; + index++ ; + if ( index == kMaxEvents ) + index = 0 ; + } } void wxMacProcessNotifierEvents() { -// if ( gInProcessing ) -// return ; - - gInProcessing = true ; - while ( gMacNotificationEvents.top != gMacNotificationEvents.bottom ) - { - // consume event at bottom - short index = gMacNotificationEvents.bottom++ ; - if ( gMacNotificationEvents.bottom == kMaxEvents ) - gMacNotificationEvents.bottom = 0 ; - void* data = gMacNotificationEvents.data[index] ; - unsigned long event = gMacNotificationEvents.events[index] ; - wxMacNotificationProcPtr handler = gMacNotificationEvents.proc[index] ; - - gMacNotificationEvents.data[index] = NULL ; - gMacNotificationEvents.events[index] = NULL ; - gMacNotificationEvents.proc[index] = NULL ; + // if ( gInProcessing ) + // return ; - handler( event , data ) ; - } - gInProcessing = false ; + gInProcessing = true ; + if ( gMacNotificationEvents.top != gMacNotificationEvents.bottom ) + { + // we only should process the notifiers that were here when we entered it + // otherwise we might never get out... + short count = gMacNotificationEvents.top - gMacNotificationEvents.bottom ; + if ( count < 0 ) + count += kMaxEvents ; + + while ( count-- ) + { + // consume event at bottom + short index = gMacNotificationEvents.bottom++ ; + if ( gMacNotificationEvents.bottom == kMaxEvents ) + gMacNotificationEvents.bottom = 0 ; + void* data = gMacNotificationEvents.data[index] ; + unsigned long event = gMacNotificationEvents.events[index] ; + wxMacNotificationProcPtr handler = gMacNotificationEvents.proc[index] ; + + gMacNotificationEvents.data[index] = NULL ; + gMacNotificationEvents.events[index] = 0 ; + gMacNotificationEvents.proc[index] = NULL ; + + if ( handler ) + handler( event , data ) ; + } + } + gInProcessing = false ; } void wxMacProcessNotifierAndPendingEvents() { - wxMacProcessNotifierEvents() ; - wxTheApp->ProcessPendingEvents() ; + wxMacProcessNotifierEvents() ; + wxTheApp->ProcessPendingEvents() ; }