xref: /trunk/main/vcl/os2/source/app/saltimer.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb) !
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27 
28 #include <svpm.h>
29 
30 #define _SV_SALTIMER_CXX
31 #include <saldata.hxx>
32 #include <saltimer.h>
33 #include <salinst.h>
34 
35 // =======================================================================
36 
37 // Maximale Periode
38 #define MAX_SYSPERIOD     65533
39 #define IDTIMER             10
40 
41 // =======================================================================
42 
43 void ImplSalStartTimer( ULONG nMS, BOOL bMutex )
44 {
45     SalData*    pSalData = GetSalData();
46 
47     // Periode darf nicht zu gross sein, da OS2 2.11 mit USHORT arbeitet
48     // Remenber the time of the timer
49     pSalData->mnTimerMS = nMS;
50     if ( !bMutex )
51         pSalData->mnTimerOrgMS = nMS;
52 
53     // Periode darf nicht zu gross sein, da Windows mit USHORT arbeitet
54     if ( nMS > MAX_SYSPERIOD )
55         nMS = MAX_SYSPERIOD;
56 
57     // Gibt es einen Timer, dann zerstoren
58     if ( pSalData->mnTimerId )
59         WinStopTimer( pSalData->mhAB, pSalData->mpFirstInstance->mhComWnd, pSalData->mnTimerId );
60 
61     // Make a new timer with new period
62     pSalData->mnTimerId = WinStartTimer( pSalData->mhAB, pSalData->mpFirstInstance->mhComWnd, IDTIMER, nMS );
63     pSalData->mnNextTimerTime = pSalData->mnLastEventTime + nMS;
64 }
65 
66 // -----------------------------------------------------------------------
67 
68 Os2SalTimer::~Os2SalTimer()
69 {
70 }
71 
72 // -----------------------------------------------------------------------
73 
74 void Os2SalTimer::Start( ULONG nMS )
75 {
76     // Um auf Main-Thread umzuschalten
77     SalData* pSalData = GetSalData();
78     if ( pSalData->mpFirstInstance )
79     {
80         if ( pSalData->mnAppThreadId != GetCurrentThreadId() )
81             WinPostMsg( pSalData->mpFirstInstance->mhComWnd, SAL_MSG_STARTTIMER, 0, (MPARAM)nMS );
82         else
83             WinSendMsg( pSalData->mpFirstInstance->mhComWnd, SAL_MSG_STARTTIMER, 0, (MPARAM)nMS );
84     }
85     else
86         ImplSalStartTimer( nMS, FALSE);
87 }
88 
89 // -----------------------------------------------------------------------
90 
91 void Os2SalTimer::Stop()
92 {
93     SalData*    pSalData = GetSalData();
94 
95     // Exitstiert ein Timer, dann diesen zerstoeren
96     if ( pSalData->mnTimerId ) {
97         WinStopTimer( pSalData->mhAB, pSalData->mpFirstInstance->mhComWnd, pSalData->mnTimerId );
98         pSalData->mnTimerId = 0;
99         pSalData->mnNextTimerTime = 0;
100     }
101 }
102 
103 // -----------------------------------------------------------------------
104 
105 void SalTimerProc( HWND, UINT, UINT nId, ULONG )
106 {
107     SalData* pSalData = GetSalData();
108     ImplSVData* pSVData = ImplGetSVData();
109 
110     // Test for MouseLeave
111     SalTestMouseLeave();
112 
113     bool bRecursive = pSalData->mbInTimerProc && (nId != SALTIMERPROC_RECURSIVE);
114     if ( pSVData->mpSalTimer && ! bRecursive )
115     {
116         // Try to aquire the mutex. If we don't get the mutex then we
117         // try this a short time later again.
118         if ( ImplSalYieldMutexTryToAcquire() )
119         {
120             bRecursive = pSalData->mbInTimerProc && (nId != SALTIMERPROC_RECURSIVE);
121             if ( pSVData->mpSalTimer && ! bRecursive )
122             {
123                 pSalData->mbInTimerProc = TRUE;
124                 pSVData->mpSalTimer->CallCallback();
125                 pSalData->mbInTimerProc = FALSE;
126                 ImplSalYieldMutexRelease();
127 
128                 // Run the timer in the correct time, if we start this
129                 // with a small timeout, because we don't get the mutex
130                 if ( pSalData->mnTimerId &&
131                     (pSalData->mnTimerMS != pSalData->mnTimerOrgMS) )
132                     ImplSalStartTimer( pSalData->mnTimerOrgMS, FALSE );
133             }
134         }
135         else
136             ImplSalStartTimer( 10, TRUE );
137     }
138 
139 }
140 
141