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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: timer.cpp | |
3 | // Purpose: wxTimer implementation | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
73974df1 | 9 | // Licence: wxWindows license |
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10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
12 | #ifdef __GNUG__ | |
c085e333 | 13 | #pragma implementation "timer.h" |
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14 | #endif |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
c085e333 | 20 | #pragma hdrstop |
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21 | #endif |
22 | ||
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23 | #include "wx/window.h" |
24 | #include "wx/msw/private.h" | |
25 | ||
2bda0e17 | 26 | #ifndef WX_PRECOMP |
c085e333 VZ |
27 | #include "wx/setup.h" |
28 | #include "wx/list.h" | |
2432b92d | 29 | #include "wx/event.h" |
c085e333 | 30 | #include "wx/app.h" |
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31 | #endif |
32 | ||
c085e333 VZ |
33 | #include "wx/intl.h" |
34 | #include "wx/log.h" | |
35 | ||
2bda0e17 | 36 | #include "wx/timer.h" |
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37 | |
38 | #include <time.h> | |
39 | #include <sys/types.h> | |
40 | ||
17dff81c | 41 | #if !defined(__SC__) && !defined(__GNUWIN32__) && !defined(__MWERKS__) |
c085e333 | 42 | #include <sys/timeb.h> |
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43 | #endif |
44 | ||
c085e333 VZ |
45 | // ---------------------------------------------------------------------------- |
46 | // private functions | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
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49 | wxList wxTimerList(wxKEY_INTEGER); |
50 | UINT WINAPI _EXPORT wxTimerProc(HWND hwnd, WORD, int idTimer, DWORD); | |
51 | ||
c085e333 VZ |
52 | // ---------------------------------------------------------------------------- |
53 | // macros | |
54 | // ---------------------------------------------------------------------------- | |
55 | ||
56 | #ifdef __WIN32__ | |
73974df1 | 57 | #define _EXPORT |
c085e333 VZ |
58 | #else |
59 | #define _EXPORT _export | |
60 | #endif | |
61 | ||
2bda0e17 | 62 | #if !USE_SHARED_LIBRARY |
c085e333 | 63 | IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject) |
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64 | #endif |
65 | ||
c085e333 VZ |
66 | // ============================================================================ |
67 | // implementation | |
68 | // ============================================================================ | |
69 | ||
70 | // ---------------------------------------------------------------------------- | |
71 | // wxTimer class | |
72 | // ---------------------------------------------------------------------------- | |
73974df1 VZ |
73 | |
74 | wxTimer::wxTimer() | |
2bda0e17 | 75 | { |
73974df1 VZ |
76 | milli = 0; |
77 | lastMilli = -1; | |
c085e333 | 78 | id = 0; |
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79 | } |
80 | ||
73974df1 | 81 | wxTimer::~wxTimer() |
2bda0e17 | 82 | { |
c085e333 | 83 | Stop(); |
2bda0e17 | 84 | |
c085e333 | 85 | wxTimerList.DeleteObject(this); |
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86 | } |
87 | ||
c085e333 | 88 | bool wxTimer::Start(int milliseconds, bool mode) |
2bda0e17 | 89 | { |
73974df1 | 90 | oneShot = mode; |
c085e333 VZ |
91 | if (milliseconds < 0) |
92 | milliseconds = lastMilli; | |
93 | ||
223d09f6 | 94 | wxCHECK_MSG( milliseconds > 0, FALSE, wxT("invalid value for timer timeour") ); |
c085e333 VZ |
95 | |
96 | lastMilli = milli = milliseconds; | |
97 | ||
98 | wxTimerList.DeleteObject(this); | |
99 | TIMERPROC wxTimerProcInst = (TIMERPROC) | |
100 | MakeProcInstance((FARPROC)wxTimerProc, wxGetInstance()); | |
101 | ||
102 | id = SetTimer(NULL, (UINT)(id ? id : 1), | |
103 | (UINT)milliseconds, wxTimerProcInst); | |
104 | if (id > 0) | |
105 | { | |
106 | wxTimerList.Append(id, this); | |
107 | ||
108 | return TRUE; | |
109 | } | |
110 | else | |
111 | { | |
112 | wxLogSysError(_("Couldn't create a timer")); | |
113 | ||
114 | return FALSE; | |
115 | } | |
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116 | } |
117 | ||
73974df1 | 118 | void wxTimer::Stop() |
2bda0e17 | 119 | { |
73974df1 VZ |
120 | if ( id ) |
121 | { | |
c085e333 | 122 | KillTimer(NULL, (UINT)id); |
73974df1 | 123 | wxTimerList.DeleteObject(this); |
c085e333 | 124 | } |
73974df1 VZ |
125 | id = 0; |
126 | milli = 0; | |
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127 | } |
128 | ||
c085e333 VZ |
129 | // ---------------------------------------------------------------------------- |
130 | // private functions | |
131 | // ---------------------------------------------------------------------------- | |
73974df1 | 132 | |
06e38c8e | 133 | void wxProcessTimer(wxTimer& timer) |
2bda0e17 | 134 | { |
c085e333 VZ |
135 | // Avoid to process spurious timer events |
136 | if ( timer.id == 0) | |
137 | return; | |
138 | ||
139 | if ( timer.oneShot ) | |
140 | timer.Stop(); | |
141 | ||
142 | timer.Notify(); | |
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143 | } |
144 | ||
c085e333 VZ |
145 | UINT WINAPI _EXPORT wxTimerProc(HWND WXUNUSED(hwnd), WORD, int idTimer, DWORD) |
146 | { | |
147 | wxNode *node = wxTimerList.Find((long)idTimer); | |
148 | ||
223d09f6 | 149 | wxCHECK_MSG( node, 0, wxT("bogus timer id in wxTimerProc") ); |
c085e333 VZ |
150 | |
151 | wxProcessTimer(*(wxTimer *)node->Data()); | |
152 | ||
153 | return 0; | |
154 | } |