xref: /trunk/main/vcl/unx/generic/app/salinst.cxx (revision cdf0e10c) 
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_vcl.hxx"
30 
31 #include <string.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 
35 #include "osl/module.hxx"
36 #include "tools/solarmutex.hxx"
37 #include "vos/mutex.hxx"
38 
39 
40 #include "unx/salunx.h"
41 #include "unx/saldata.hxx"
42 #include "unx/saldisp.hxx"
43 #include "unx/salinst.h"
44 #include "unx/salframe.h"
45 #include "unx/dtint.hxx"
46 #include "unx/salprn.h"
47 #include "unx/sm.hxx"
48 
49 #include "vcl/apptypes.hxx"
50 #include "vcl/helper.hxx"
51 
52 #include "salwtype.hxx"
53 
54 // -------------------------------------------------------------------------
55 //
56 // SalYieldMutex
57 //
58 // -------------------------------------------------------------------------
59 
60 SalYieldMutex::SalYieldMutex()
61 {
62 	mnCount 	= 0;
63 	mnThreadId	= 0;
64 	::tools::SolarMutex::SetSolarMutex( this );
65 }
66 
67 void SalYieldMutex::acquire()
68 {
69 	OMutex::acquire();
70 	mnThreadId = vos::OThread::getCurrentIdentifier();
71 	mnCount++;
72 }
73 
74 void SalYieldMutex::release()
75 {
76 	if ( mnThreadId == vos::OThread::getCurrentIdentifier() )
77 	{
78 		if ( mnCount == 1 )
79 			mnThreadId = 0;
80 		mnCount--;
81 	}
82 	OMutex::release();
83 }
84 
85 sal_Bool SalYieldMutex::tryToAcquire()
86 {
87 	if ( OMutex::tryToAcquire() )
88 	{
89 		mnThreadId = vos::OThread::getCurrentIdentifier();
90 		mnCount++;
91 		return True;
92 	}
93 	else
94 		return False;
95 }
96 
97 //----------------------------------------------------------------------------
98 
99 // -=-= SalInstance =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
100 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
101 
102 // plugin factory function
103 extern "C"
104 {
105     VCLPLUG_GEN_PUBLIC SalInstance* create_SalInstance()
106     {
107         /* #i92121# workaround deadlocks in the X11 implementation
108         */
109         static const char* pNoXInitThreads = getenv( "SAL_NO_XINITTHREADS" );
110         /* #i90094#
111            from now on we know that an X connection will be
112            established, so protect X against itself
113         */
114         if( ! ( pNoXInitThreads && *pNoXInitThreads ) )
115             XInitThreads();
116 
117         X11SalInstance* pInstance = new X11SalInstance( new SalYieldMutex() );
118 
119         // initialize SalData
120         X11SalData *pSalData = new X11SalData;
121         SetSalData( pSalData );
122         pSalData->m_pInstance = pInstance;
123         pSalData->Init();
124 
125         return pInstance;
126     }
127 }
128 
129 X11SalInstance::~X11SalInstance()
130 {
131     // close session management
132     SessionManagerClient::close();
133 
134     // dispose SalDisplay list from SalData
135     // would be done in a static destructor else which is
136     // a little late
137 
138 	X11SalData *pSalData = GetX11SalData();
139     pSalData->deInitNWF();
140 	delete pSalData;
141 	SetSalData( NULL );
142 
143 	::tools::SolarMutex::SetSolarMutex( 0 );
144   	delete mpSalYieldMutex;
145 }
146 
147 
148 // --------------------------------------------------------
149 // AnyInput from sv/mow/source/app/svapp.cxx
150 
151 struct PredicateReturn
152 {
153 	sal_uInt16	nType;
154 	sal_Bool	bRet;
155 };
156 
157 extern "C" {
158 Bool ImplPredicateEvent( Display *, XEvent *pEvent, char *pData )
159 {
160 	PredicateReturn *pPre = (PredicateReturn *)pData;
161 
162 	if ( pPre->bRet )
163 		return False;
164 
165 	sal_uInt16 nType;
166 
167 	switch( pEvent->type )
168 	{
169 		case ButtonPress:
170 		case ButtonRelease:
171 		case MotionNotify:
172 		case EnterNotify:
173 		case LeaveNotify:
174 			nType = INPUT_MOUSE;
175 			break;
176 
177 		case XLIB_KeyPress:
178 		//case KeyRelease:
179 			nType = INPUT_KEYBOARD;
180 			break;
181 		case Expose:
182 		case GraphicsExpose:
183 		case NoExpose:
184 			nType = INPUT_PAINT;
185 			break;
186 		default:
187 			nType = 0;
188 	}
189 
190 	if ( (nType & pPre->nType) || ( ! nType && (pPre->nType & INPUT_OTHER) ) )
191 		pPre->bRet = sal_True;
192 
193 	return False;
194 }
195 }
196 
197 bool X11SalInstance::AnyInput(sal_uInt16 nType)
198 {
199 	X11SalData *pSalData = GetX11SalData();
200 	Display *pDisplay  = pSalData->GetDisplay()->GetDisplay();
201     sal_Bool bRet = sal_False;
202 
203     if( (nType & INPUT_TIMER) &&
204         pSalData->GetDisplay()->GetXLib()->CheckTimeout( false ) )
205     {
206         bRet = sal_True;
207     }
208 	else if (XPending(pDisplay) )
209 	{
210         PredicateReturn aInput;
211         XEvent			aEvent;
212 
213         aInput.bRet 	= sal_False;
214         aInput.nType	= nType;
215 
216         XCheckIfEvent(pDisplay, &aEvent, ImplPredicateEvent,
217                       (char *)&aInput );
218 
219         bRet = aInput.bRet;
220 	}
221 	return bRet;
222 }
223 
224 vos::IMutex* X11SalInstance::GetYieldMutex()
225 {
226 	return mpSalYieldMutex;
227 }
228 
229 // -----------------------------------------------------------------------
230 
231 sal_uLong X11SalInstance::ReleaseYieldMutex()
232 {
233 	SalYieldMutex* pYieldMutex = mpSalYieldMutex;
234 	if ( pYieldMutex->GetThreadId() ==
235 		 vos::OThread::getCurrentIdentifier() )
236 	{
237 		sal_uLong nCount = pYieldMutex->GetAcquireCount();
238 		sal_uLong n = nCount;
239 		while ( n )
240 		{
241 			pYieldMutex->release();
242 			n--;
243 		}
244 
245 		return nCount;
246 	}
247 	else
248 		return 0;
249 }
250 
251 // -----------------------------------------------------------------------
252 
253 void X11SalInstance::AcquireYieldMutex( sal_uLong nCount )
254 {
255 	SalYieldMutex* pYieldMutex = mpSalYieldMutex;
256 	while ( nCount )
257 	{
258 		pYieldMutex->acquire();
259 		nCount--;
260 	}
261 }
262 
263 // -----------------------------------------------------------------------
264 
265 bool X11SalInstance::CheckYieldMutex()
266 {
267     bool bRet = true;
268 
269 	SalYieldMutex* pYieldMutex = mpSalYieldMutex;
270 	if ( pYieldMutex->GetThreadId() !=
271 		 vos::OThread::getCurrentIdentifier() )
272 	{
273 	    bRet = false;
274 	}
275 
276     return bRet;
277 }
278 
279 // -----------------------------------------------------------------------
280 
281 void X11SalInstance::Yield( bool bWait, bool bHandleAllCurrentEvents )
282 { GetX11SalData()->GetLib()->Yield( bWait, bHandleAllCurrentEvents ); }
283 
284 void* X11SalInstance::GetConnectionIdentifier( ConnectionIdentifierType& rReturnedType, int& rReturnedBytes )
285 {
286 	static const char* pDisplay = getenv( "DISPLAY" );
287 	rReturnedType	= AsciiCString;
288 	rReturnedBytes	= pDisplay ? strlen( pDisplay )+1 : 1;
289 	return pDisplay ? (void*)pDisplay : (void*)"";
290 }
291 
292 SalFrame *X11SalInstance::CreateFrame( SalFrame *pParent, sal_uLong nSalFrameStyle )
293 {
294 	SalFrame *pFrame = new X11SalFrame( pParent, nSalFrameStyle );
295 
296 	return pFrame;
297 }
298 
299 SalFrame* X11SalInstance::CreateChildFrame( SystemParentData* pParentData, sal_uLong nStyle )
300 {
301 	SalFrame* pFrame = new X11SalFrame( NULL, nStyle, pParentData );
302 
303 	return pFrame;
304 }
305 
306 void X11SalInstance::DestroyFrame( SalFrame* pFrame )
307 {
308 	delete pFrame;
309 }
310 
311 static void getServerDirectories( std::list< rtl::OString >& o_rFontPaths )
312 {
313 #ifdef LINUX
314     /*
315      *  chkfontpath exists on some (RH derived) Linux distributions
316      */
317     static const char* pCommands[] = {
318         "/usr/sbin/chkfontpath 2>/dev/null", "chkfontpath 2>/dev/null"
319     };
320     ::std::list< ByteString > aLines;
321 
322     for( unsigned int i = 0; i < sizeof(pCommands)/sizeof(pCommands[0]); i++ )
323     {
324         FILE* pPipe = popen( pCommands[i], "r" );
325         aLines.clear();
326         if( pPipe )
327         {
328             char line[1024];
329             char* pSearch;
330             while( fgets( line, sizeof(line), pPipe ) )
331             {
332                 int nLen = strlen( line );
333                 if( line[nLen-1] == '\n' )
334                     line[nLen-1] = 0;
335                 pSearch = strstr( line, ": " );
336                 if( pSearch )
337                     aLines.push_back( pSearch+2 );
338             }
339             if( ! pclose( pPipe ) )
340                 break;
341         }
342     }
343 
344     for( ::std::list< ByteString >::iterator it = aLines.begin(); it != aLines.end(); ++it )
345     {
346         if( ! access( it->GetBuffer(), F_OK ) )
347         {
348             o_rFontPaths.push_back( *it );
349 #if OSL_DEBUG_LEVEL > 1
350             fprintf( stderr, "adding fs dir %s\n", it->GetBuffer() );
351 #endif
352         }
353     }
354 #else
355     (void)o_rFontPaths;
356 #endif
357 }
358 
359 
360 
361 void X11SalInstance::FillFontPathList( std::list< rtl::OString >& o_rFontPaths )
362 {
363     Display *pDisplay = GetX11SalData()->GetDisplay()->GetDisplay();
364 
365     DBG_ASSERT( pDisplay, "No Display !" );
366     if( pDisplay )
367     {
368         // get font paths to look for fonts
369         int nPaths = 0, i;
370         char** pPaths = XGetFontPath( pDisplay, &nPaths );
371 
372         bool bServerDirs = false;
373         for( i = 0; i < nPaths; i++ )
374         {
375             OString aPath( pPaths[i] );
376             sal_Int32 nPos = 0;
377             if( ! bServerDirs
378                 && ( nPos = aPath.indexOf( ':' ) ) > 0
379                 && ( !aPath.copy(nPos).equals( ":unscaled" ) ) )
380             {
381                 bServerDirs = true;
382                 getServerDirectories( o_rFontPaths );
383             }
384             else
385             {
386                 psp::normPath( aPath );
387                 o_rFontPaths.push_back( aPath );
388             }
389         }
390 
391         if( nPaths )
392             XFreeFontPath( pPaths );
393     }
394 
395     // insert some standard directories
396     o_rFontPaths.push_back( "/usr/openwin/lib/X11/fonts/TrueType" );
397     o_rFontPaths.push_back( "/usr/openwin/lib/X11/fonts/Type1" );
398     o_rFontPaths.push_back( "/usr/openwin/lib/X11/fonts/Type1/sun" );
399     o_rFontPaths.push_back( "/usr/X11R6/lib/X11/fonts/truetype" );
400     o_rFontPaths.push_back( "/usr/X11R6/lib/X11/fonts/Type1" );
401 
402     #ifdef SOLARIS
403     /* cde specials, from /usr/dt/bin/Xsession: here are the good fonts,
404     the OWfontpath file may contain as well multiple lines as a comma
405     separated list of fonts in each line. to make it even more weird
406     environment variables are allowed as well */
407 
408     const char* lang = getenv("LANG");
409     if ( lang != NULL )
410     {
411         String aOpenWinDir( String::CreateFromAscii( "/usr/openwin/lib/locale/" ) );
412         aOpenWinDir.AppendAscii( lang );
413         aOpenWinDir.AppendAscii( "/OWfontpath" );
414 
415         SvFileStream aStream( aOpenWinDir, STREAM_READ );
416 
417         // TODO: replace environment variables
418         while( aStream.IsOpen() && ! aStream.IsEof() )
419         {
420             ByteString aLine;
421             aStream.ReadLine( aLine );
422             // need an OString for normpath
423             OString aNLine( aLine );
424             psp::normPath( aNLine );
425             aLine = aNLine;
426             // try to avoid bad fonts in some cases
427             static bool bAvoid = (strncasecmp( lang, "ar", 2 ) == 0) || (strncasecmp( lang, "he", 2 ) == 0) || strncasecmp( lang, "iw", 2 ) == 0 || (strncasecmp( lang, "hi", 2 ) == 0);
428             if( bAvoid && aLine.Search( "iso_8859" ) != STRING_NOTFOUND )
429                 continue;
430             o_rFontPaths.push_back( aLine );
431         }
432     }
433     #endif /* SOLARIS */
434 }
435 
436 extern "C" { static void SAL_CALL thisModule() {} }
437 
438 void X11SalInstance::AddToRecentDocumentList(const rtl::OUString& rFileUrl, const rtl::OUString& rMimeType)
439 {
440     const rtl::OUString SYM_ADD_TO_RECENTLY_USED_FILE_LIST(RTL_CONSTASCII_USTRINGPARAM("add_to_recently_used_file_list"));
441     const rtl::OUString LIB_RECENT_FILE(RTL_CONSTASCII_USTRINGPARAM("librecentfile.so"));
442     typedef void (*PFUNC_ADD_TO_RECENTLY_USED_LIST)(const rtl::OUString&, const rtl::OUString&);
443 
444     PFUNC_ADD_TO_RECENTLY_USED_LIST add_to_recently_used_file_list = 0;
445 
446     osl::Module module;
447     module.loadRelative( &thisModule, LIB_RECENT_FILE );
448     if (module.is())
449         add_to_recently_used_file_list = (PFUNC_ADD_TO_RECENTLY_USED_LIST)module.getFunctionSymbol(SYM_ADD_TO_RECENTLY_USED_FILE_LIST);
450     if (add_to_recently_used_file_list)
451         add_to_recently_used_file_list(rFileUrl, rMimeType);
452 }
453