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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/os2/app.cpp | |
3 | // Purpose: wxApp | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 10/13/99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) David Webster | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #include "wx/app.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/dynarray.h" | |
19 | #include "wx/frame.h" | |
20 | #include "wx/utils.h" | |
21 | #include "wx/gdicmn.h" | |
22 | #include "wx/pen.h" | |
23 | #include "wx/brush.h" | |
24 | #include "wx/cursor.h" | |
25 | #include "wx/icon.h" | |
26 | #include "wx/palette.h" | |
27 | #include "wx/dc.h" | |
28 | #include "wx/dialog.h" | |
29 | #include "wx/msgdlg.h" | |
30 | #include "wx/intl.h" | |
31 | #include "wx/crt.h" | |
32 | #include "wx/log.h" | |
33 | #include "wx/module.h" | |
34 | #endif | |
35 | ||
36 | #include "wx/stdpaths.h" | |
37 | #include "wx/filename.h" | |
38 | #include "wx/evtloop.h" | |
39 | ||
40 | #include "wx/os2/private.h" | |
41 | ||
42 | #ifdef __EMX__ | |
43 | ||
44 | #include <sys/ioctl.h> | |
45 | #include <sys/select.h> | |
46 | ||
47 | #else | |
48 | ||
49 | #include <nerrno.h> | |
50 | #include <sys/ioctl.h> | |
51 | #include <sys/select.h> | |
52 | #include <sys/time.h> | |
53 | ||
54 | #endif // | |
55 | ||
56 | #if defined(__WATCOMC__) | |
57 | ||
58 | #include <tcpustd.h> | |
59 | ||
60 | #elif !defined(__EMX__) | |
61 | ||
62 | #define select(a,b,c,d,e) bsdselect(a,b,c,d,e) | |
63 | extern "C" int _System bsdselect(int, | |
64 | struct fd_set *, | |
65 | struct fd_set *, | |
66 | struct fd_set *, | |
67 | struct timeval *); | |
68 | #endif | |
69 | ||
70 | #if wxUSE_THREADS | |
71 | #include "wx/thread.h" | |
72 | #endif // wxUSE_THREADS | |
73 | ||
74 | #if wxUSE_TOOLTIPS | |
75 | #include "wx/tooltip.h" | |
76 | #endif // wxUSE_TOOLTIPS | |
77 | ||
78 | #include <string.h> | |
79 | #include <ctype.h> | |
80 | ||
81 | // --------------------------------------------------------------------------- | |
82 | // global variables | |
83 | // --------------------------------------------------------------------------- | |
84 | ||
85 | WXDLLEXPORT_DATA(wxChar*) wxBuffer; | |
86 | extern wxCursor* g_globalCursor; | |
87 | ||
88 | HAB vHabmain = NULLHANDLE; | |
89 | ||
90 | ||
91 | HICON wxSTD_FRAME_ICON = (HICON) NULL; | |
92 | HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL; | |
93 | HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL; | |
94 | ||
95 | HICON wxDEFAULT_FRAME_ICON = (HICON) NULL; | |
96 | HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL; | |
97 | HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL; | |
98 | ||
99 | HBRUSH wxDisableButtonBrush = (HBRUSH) 0; | |
100 | ||
101 | MRESULT EXPENTRY wxWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2); | |
102 | MRESULT EXPENTRY wxFrameWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2); | |
103 | ||
104 | // =========================================================================== | |
105 | // implementation | |
106 | // =========================================================================== | |
107 | ||
108 | // --------------------------------------------------------------------------- | |
109 | // helper struct and functions for socket handling | |
110 | // --------------------------------------------------------------------------- | |
111 | ||
112 | struct GsocketCallbackInfo{ | |
113 | void (*proc)(void *); | |
114 | int type; | |
115 | int handle; | |
116 | void* gsock; | |
117 | }; | |
118 | ||
119 | // These defines are used here and in gsockpm.cpp | |
120 | #define wxSockReadMask 0x01 | |
121 | #define wxSockWriteMask 0x02 | |
122 | ||
123 | void wxApp::HandleSockets() | |
124 | { | |
125 | bool pendingEvent = false; | |
126 | ||
127 | // Check whether it's time for Gsocket operation | |
128 | if (m_maxSocketHandles > 0 && m_maxSocketNr > 0) | |
129 | { | |
130 | fd_set readfds = m_readfds; | |
131 | fd_set writefds = m_writefds; | |
132 | struct timeval timeout; | |
133 | int i; | |
134 | struct GsocketCallbackInfo | |
135 | *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo; | |
136 | timeout.tv_sec = 0; | |
137 | timeout.tv_usec = 0; | |
138 | if ( select(m_maxSocketNr, &readfds, &writefds, 0, &timeout) > 0) | |
139 | { | |
140 | for (i = m_lastUsedHandle + 1; i != m_lastUsedHandle; | |
141 | (i < m_maxSocketNr - 1) ? i++ : (i = 0)) | |
142 | { | |
143 | if (FD_ISSET(i, &readfds)) | |
144 | { | |
145 | int r; | |
146 | for (r = 0; r < m_maxSocketHandles; r++){ | |
147 | if(CallbackInfo[r].handle == i && | |
148 | CallbackInfo[r].type == wxSockReadMask) | |
149 | break; | |
150 | } | |
151 | if (r < m_maxSocketHandles) | |
152 | { | |
153 | CallbackInfo[r].proc(CallbackInfo[r].gsock); | |
154 | pendingEvent = true; | |
155 | } | |
156 | } | |
157 | if (FD_ISSET(i, &writefds)) | |
158 | { | |
159 | int r; | |
160 | for (r = 0; r < m_maxSocketHandles; r++) | |
161 | if(CallbackInfo[r].handle == i && | |
162 | CallbackInfo[r].type == wxSockWriteMask) | |
163 | break; | |
164 | if (r < m_maxSocketHandles) | |
165 | { | |
166 | CallbackInfo[r].proc(CallbackInfo[r].gsock); | |
167 | pendingEvent = true; | |
168 | } | |
169 | } | |
170 | } | |
171 | m_lastUsedHandle = i; | |
172 | } | |
173 | if (pendingEvent) | |
174 | ProcessPendingEvents(); | |
175 | } | |
176 | } | |
177 | // --------------------------------------------------------------------------- | |
178 | // wxApp | |
179 | // --------------------------------------------------------------------------- | |
180 | ||
181 | IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) | |
182 | ||
183 | BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) | |
184 | EVT_IDLE(wxApp::OnIdle) | |
185 | EVT_END_SESSION(wxApp::OnEndSession) | |
186 | EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) | |
187 | END_EVENT_TABLE() | |
188 | ||
189 | // | |
190 | // Initialize | |
191 | // | |
192 | bool wxApp::Initialize(int& argc, wxChar **argv) | |
193 | { | |
194 | if ( !wxAppBase::Initialize(argc, argv) ) | |
195 | return false; | |
196 | ||
197 | #if defined(wxUSE_CONSOLEDEBUG) | |
198 | #if wxUSE_CONSOLEDEBUG | |
199 | /***********************************************/ | |
200 | /* Code for using stdout debug */ | |
201 | /* To use it you mast link app as "Window" - EK*/ | |
202 | /***********************************************/ | |
203 | { | |
204 | PPIB pib; | |
205 | PTIB tib; | |
206 | ||
207 | printf("In console\n"); | |
208 | ||
209 | DosGetInfoBlocks(&tib, &pib); | |
210 | /* Try morphing into a PM application. */ | |
211 | // if(pib->pib_ultype == 2) /* VIO */ | |
212 | pib->pib_ultype = 3; | |
213 | } | |
214 | /**********************************************/ | |
215 | /**********************************************/ | |
216 | #endif //wxUSE_CONSOLEDEBUG | |
217 | #endif | |
218 | ||
219 | // | |
220 | // OS2 has to have an anchorblock | |
221 | // | |
222 | vHabmain = WinInitialize(0); | |
223 | wxFileName GetPrefix(argv[0]); | |
224 | GetPrefix.MakeAbsolute(); | |
225 | wxStandardPaths::SetInstallPrefix(GetPrefix.GetPath()); | |
226 | if (!vHabmain) | |
227 | { | |
228 | // TODO: at least give some error message here... | |
229 | wxAppBase::CleanUp(); | |
230 | ||
231 | return false; | |
232 | } | |
233 | ||
234 | wxBuffer = new wxChar[1500]; // FIXME; why? | |
235 | ||
236 | // Some people may wish to use this, but | |
237 | // probably it shouldn't be here by default. | |
238 | // wxRedirectIOToConsole(); | |
239 | ||
240 | wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100); | |
241 | ||
242 | // This is to foil optimizations in Visual C++ that throw out dummy.obj. | |
243 | // PLEASE DO NOT ALTER THIS. | |
244 | #if !defined(WXMAKINGDLL) && defined(__VISAGECPP__) | |
245 | extern char wxDummyChar; | |
246 | if (wxDummyChar) wxDummyChar++; | |
247 | #endif | |
248 | ||
249 | // wxSetKeyboardHook(TRUE); | |
250 | ||
251 | RegisterWindowClasses(vHabmain); | |
252 | ||
253 | return true; | |
254 | } // end of wxApp::Initialize | |
255 | ||
256 | const char* CANTREGISTERCLASS = " Can't register Class "; | |
257 | // --------------------------------------------------------------------------- | |
258 | // RegisterWindowClasses | |
259 | // --------------------------------------------------------------------------- | |
260 | ||
261 | bool wxApp::RegisterWindowClasses( HAB vHab ) | |
262 | { | |
263 | ERRORID vError = 0L; | |
264 | wxString sError; | |
265 | ||
266 | if (!::WinRegisterClass( vHab | |
267 | ,(PSZ)wxFrameClassName | |
268 | ,wxFrameWndProc | |
269 | ,CS_SIZEREDRAW | CS_SYNCPAINT | |
270 | ,sizeof(ULONG) | |
271 | )) | |
272 | { | |
273 | vError = ::WinGetLastError(vHab); | |
274 | sError = wxPMErrorToStr(vError); | |
275 | wxLogLastError(sError.c_str()); | |
276 | return false; | |
277 | } | |
278 | ||
279 | if (!::WinRegisterClass( vHab | |
280 | ,(PSZ)wxFrameClassNameNoRedraw | |
281 | ,wxWndProc | |
282 | ,0 | |
283 | ,sizeof(ULONG) | |
284 | )) | |
285 | { | |
286 | vError = ::WinGetLastError(vHab); | |
287 | sError = wxPMErrorToStr(vError); | |
288 | wxLogLastError(sError.c_str()); | |
289 | return false; | |
290 | } | |
291 | ||
292 | if (!::WinRegisterClass( vHab | |
293 | ,(PSZ)wxMDIFrameClassName | |
294 | ,wxWndProc | |
295 | ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT | |
296 | ,sizeof(ULONG) | |
297 | )) | |
298 | { | |
299 | vError = ::WinGetLastError(vHab); | |
300 | sError = wxPMErrorToStr(vError); | |
301 | wxLogLastError(sError.c_str()); | |
302 | return false; | |
303 | } | |
304 | ||
305 | if (!::WinRegisterClass( vHab | |
306 | ,(PSZ)wxMDIFrameClassNameNoRedraw | |
307 | ,wxWndProc | |
308 | ,0 | |
309 | ,sizeof(ULONG) | |
310 | )) | |
311 | { | |
312 | vError = ::WinGetLastError(vHab); | |
313 | sError = wxPMErrorToStr(vError); | |
314 | wxLogLastError(sError.c_str()); | |
315 | return false; | |
316 | } | |
317 | ||
318 | if (!::WinRegisterClass( vHab | |
319 | ,(PSZ)wxMDIChildFrameClassName | |
320 | ,wxWndProc | |
321 | ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST | |
322 | ,sizeof(ULONG) | |
323 | )) | |
324 | { | |
325 | vError = ::WinGetLastError(vHab); | |
326 | sError = wxPMErrorToStr(vError); | |
327 | wxLogLastError(sError.c_str()); | |
328 | return false; | |
329 | } | |
330 | ||
331 | if (!::WinRegisterClass( vHab | |
332 | ,(PSZ)wxMDIChildFrameClassNameNoRedraw | |
333 | ,wxWndProc | |
334 | ,CS_HITTEST | |
335 | ,sizeof(ULONG) | |
336 | )) | |
337 | { | |
338 | vError = ::WinGetLastError(vHab); | |
339 | sError = wxPMErrorToStr(vError); | |
340 | wxLogLastError(sError.c_str()); | |
341 | return false; | |
342 | } | |
343 | ||
344 | if (!::WinRegisterClass( vHab | |
345 | ,(PSZ)wxPanelClassName | |
346 | ,wxWndProc | |
347 | ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT | |
348 | ,sizeof(ULONG) | |
349 | )) | |
350 | { | |
351 | vError = ::WinGetLastError(vHab); | |
352 | sError = wxPMErrorToStr(vError); | |
353 | wxLogLastError(sError.c_str()); | |
354 | return false; | |
355 | } | |
356 | ||
357 | if (!::WinRegisterClass( vHab | |
358 | ,(PSZ)wxCanvasClassName | |
359 | ,wxWndProc | |
360 | ,CS_SIZEREDRAW | CS_HITTEST | CS_SYNCPAINT | |
361 | ,sizeof(ULONG) | |
362 | )) | |
363 | { | |
364 | vError = ::WinGetLastError(vHab); | |
365 | sError = wxPMErrorToStr(vError); | |
366 | wxLogLastError(sError.c_str()); | |
367 | return false; | |
368 | } | |
369 | if (!::WinRegisterClass( vHab | |
370 | ,(PSZ)wxCanvasClassNameNR | |
371 | ,wxWndProc | |
372 | ,CS_HITTEST | CS_SYNCPAINT | |
373 | ,sizeof(ULONG) | |
374 | )) | |
375 | { | |
376 | vError = ::WinGetLastError(vHab); | |
377 | sError = wxPMErrorToStr(vError); | |
378 | wxLogLastError(sError.c_str()); | |
379 | return false; | |
380 | } | |
381 | return true; | |
382 | } // end of wxApp::RegisterWindowClasses | |
383 | ||
384 | // | |
385 | // Cleans up any wxWidgets internal structures left lying around | |
386 | // | |
387 | void wxApp::CleanUp() | |
388 | { | |
389 | wxDELETEA(wxBuffer); | |
390 | ||
391 | // | |
392 | // PM-SPECIFIC CLEANUP | |
393 | // | |
394 | ||
395 | // wxSetKeyboardHook(false); | |
396 | ||
397 | if (wxSTD_FRAME_ICON) | |
398 | ::WinFreeFileIcon(wxSTD_FRAME_ICON); | |
399 | if (wxSTD_MDICHILDFRAME_ICON) | |
400 | ::WinFreeFileIcon(wxSTD_MDICHILDFRAME_ICON); | |
401 | if (wxSTD_MDIPARENTFRAME_ICON) | |
402 | ::WinFreeFileIcon(wxSTD_MDIPARENTFRAME_ICON); | |
403 | ||
404 | if (wxDEFAULT_FRAME_ICON) | |
405 | ::WinFreeFileIcon(wxDEFAULT_FRAME_ICON); | |
406 | if (wxDEFAULT_MDICHILDFRAME_ICON) | |
407 | ::WinFreeFileIcon(wxDEFAULT_MDICHILDFRAME_ICON); | |
408 | if (wxDEFAULT_MDIPARENTFRAME_ICON) | |
409 | ::WinFreeFileIcon(wxDEFAULT_MDIPARENTFRAME_ICON); | |
410 | ||
411 | if ( wxDisableButtonBrush ) | |
412 | { | |
413 | // TODO: ::DeleteObject( wxDisableButtonBrush ); | |
414 | } | |
415 | ||
416 | wxDELETE(wxWinHandleHash); | |
417 | ||
418 | // Delete Message queue | |
419 | if (wxTheApp->m_hMq) | |
420 | ::WinDestroyMsgQueue(wxTheApp->m_hMq); | |
421 | ||
422 | wxAppBase::CleanUp(); | |
423 | } // end of wxApp::CleanUp | |
424 | ||
425 | bool wxApp::OnInitGui() | |
426 | { | |
427 | ERRORID vError; | |
428 | wxString sError; | |
429 | ||
430 | if (!wxAppBase::OnInitGui()) | |
431 | return false; | |
432 | ||
433 | m_hMq = ::WinCreateMsgQueue(vHabmain, 0); | |
434 | if (!m_hMq) | |
435 | { | |
436 | vError = ::WinGetLastError(vHabmain); | |
437 | sError = wxPMErrorToStr(vError); | |
438 | wxLogDebug(sError); | |
439 | return false; | |
440 | } | |
441 | ||
442 | return true; | |
443 | } // end of wxApp::OnInitGui | |
444 | ||
445 | wxApp::wxApp() | |
446 | { | |
447 | m_nPrintMode = wxPRINT_WINDOWS; | |
448 | m_hMq = 0; | |
449 | m_maxSocketHandles = 0; | |
450 | m_maxSocketNr = 0; | |
451 | m_sockCallbackInfo = 0; | |
452 | } // end of wxApp::wxApp | |
453 | ||
454 | wxApp::~wxApp() | |
455 | { | |
456 | } // end of wxApp::~wxApp | |
457 | ||
458 | bool gbInOnIdle = false; | |
459 | ||
460 | void wxApp::OnIdle( wxIdleEvent& WXUNUSED(rEvent) ) | |
461 | { | |
462 | // | |
463 | // Avoid recursion (via ProcessEvent default case) | |
464 | // | |
465 | if (gbInOnIdle) | |
466 | return; | |
467 | ||
468 | gbInOnIdle = true; | |
469 | ||
470 | #if wxUSE_DC_CACHEING | |
471 | // automated DC cache management: clear the cached DCs and bitmap | |
472 | // if it's likely that the app has finished with them, that is, we | |
473 | // get an idle event and we're not dragging anything. | |
474 | if (!::WinGetKeyState(HWND_DESKTOP, VK_BUTTON1) && | |
475 | !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON3) && | |
476 | !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON2)) | |
477 | wxDC::ClearCache(); | |
478 | #endif // wxUSE_DC_CACHEING | |
479 | ||
480 | gbInOnIdle = false; | |
481 | } // end of wxApp::OnIdle | |
482 | ||
483 | void wxApp::OnEndSession( | |
484 | wxCloseEvent& WXUNUSED(rEvent)) | |
485 | { | |
486 | if (GetTopWindow()) | |
487 | GetTopWindow()->Close(true); | |
488 | } // end of wxApp::OnEndSession | |
489 | ||
490 | // | |
491 | // Default behaviour: close the application with prompts. The | |
492 | // user can veto the close, and therefore the end session. | |
493 | // | |
494 | void wxApp::OnQueryEndSession( wxCloseEvent& rEvent ) | |
495 | { | |
496 | if (GetTopWindow()) | |
497 | { | |
498 | if (!GetTopWindow()->Close(!rEvent.CanVeto())) | |
499 | rEvent.Veto(true); | |
500 | } | |
501 | } // end of wxApp::OnQueryEndSession | |
502 | ||
503 | int wxApp::AddSocketHandler(int handle, int mask, | |
504 | void (*callback)(void*), void * gsock) | |
505 | { | |
506 | int find; | |
507 | struct GsocketCallbackInfo | |
508 | *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo; | |
509 | ||
510 | for (find = 0; find < m_maxSocketHandles; find++) | |
511 | if (CallbackInfo[find].handle == -1) | |
512 | break; | |
513 | if (find == m_maxSocketHandles) | |
514 | { | |
515 | // Allocate new memory | |
516 | m_sockCallbackInfo = realloc(m_sockCallbackInfo, | |
517 | (m_maxSocketHandles+=10)* | |
518 | sizeof(struct GsocketCallbackInfo)); | |
519 | CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo; | |
520 | for (find = m_maxSocketHandles - 10; find < m_maxSocketHandles; find++) | |
521 | CallbackInfo[find].handle = -1; | |
522 | find = m_maxSocketHandles - 10; | |
523 | } | |
524 | CallbackInfo[find].proc = callback; | |
525 | CallbackInfo[find].type = mask; | |
526 | CallbackInfo[find].handle = handle; | |
527 | CallbackInfo[find].gsock = gsock; | |
528 | if (mask & wxSockReadMask) | |
529 | FD_SET(handle, &m_readfds); | |
530 | if (mask & wxSockWriteMask) | |
531 | FD_SET(handle, &m_writefds); | |
532 | if (handle >= m_maxSocketNr) | |
533 | m_maxSocketNr = handle + 1; | |
534 | return find; | |
535 | } | |
536 | ||
537 | void wxApp::RemoveSocketHandler(int handle) | |
538 | { | |
539 | struct GsocketCallbackInfo | |
540 | *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo; | |
541 | if (handle < m_maxSocketHandles) | |
542 | { | |
543 | if (CallbackInfo[handle].type & wxSockReadMask) | |
544 | FD_CLR(CallbackInfo[handle].handle, &m_readfds); | |
545 | if (CallbackInfo[handle].type & wxSockWriteMask) | |
546 | FD_CLR(CallbackInfo[handle].handle, &m_writefds); | |
547 | CallbackInfo[handle].handle = -1; | |
548 | } | |
549 | } | |
550 | ||
551 | //----------------------------------------------------------------------------- | |
552 | // wxWakeUpIdle | |
553 | //----------------------------------------------------------------------------- | |
554 | ||
555 | void wxApp::WakeUpIdle() | |
556 | { | |
557 | // | |
558 | // Send the top window a dummy message so idle handler processing will | |
559 | // start up again. Doing it this way ensures that the idle handler | |
560 | // wakes up in the right thread (see also wxWakeUpMainThread() which does | |
561 | // the same for the main app thread only) | |
562 | // | |
563 | wxWindow* pTopWindow = wxTheApp->GetTopWindow(); | |
564 | ||
565 | if (pTopWindow) | |
566 | { | |
567 | if ( !::WinPostMsg(GetHwndOf(pTopWindow), WM_NULL, (MPARAM)0, (MPARAM)0)) | |
568 | { | |
569 | // | |
570 | // Should never happen | |
571 | // | |
572 | wxLogLastError(wxT("PostMessage(WM_NULL)")); | |
573 | } | |
574 | } | |
575 | } // end of wxWakeUpIdle | |
576 | ||
577 | HAB wxGetInstance() | |
578 | { | |
579 | return vHabmain; | |
580 | } | |
581 | ||
582 | void wxSetInstance( HAB vHab ) | |
583 | { | |
584 | vHabmain = vHab; | |
585 | } |