Applied Kevin Hock's combobox patch for text update events

[wxWidgets.git] / src / unix / utilsunx.cpp

diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index f6d60dcf320a3fa8c5fc1c64b67d6e218f54ef96..9d7034dda63c34ab5922fe7a5c1cec3f1c246152 100644 (file)
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -15,12 +15,16 @@
 // headers
 // ----------------------------------------------------------------------------
 
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/defs.h"
 #include "wx/string.h"
 
 #include "wx/intl.h"
 #include "wx/log.h"
 #include "wx/app.h"
+#include "wx/apptrait.h"
 
 #include "wx/utils.h"
 #include "wx/process.h"
@@ -30,11 +34,20 @@
 
 #include "wx/unix/execute.h"
 
-#ifdef __WXBASE__
+#if wxUSE_STREAMS
+
+// define this to let wxexec.cpp know that we know what we're doing
+#define _WX_USED_BY_WXEXECUTE_
+#include "../common/execcmn.cpp"
+
+#endif // wxUSE_STREAMS
+
+#if wxUSE_BASE
 
 #if defined( __MWERKS__ ) && defined(__MACH__)
 #define WXWIN_OS_DESCRIPTION "MacOS X"
 #define HAVE_NANOSLEEP
+#define HAVE_UNAME
 #endif
 
 // not only the statfs syscall is called differently depending on platform, but
@@ -136,12 +149,12 @@ void wxSleep(int nSecs)
     sleep(nSecs);
 }
 
-void wxUsleep(unsigned long milliseconds)
+void wxMicroSleep(unsigned long microseconds)
 {
 #if defined(HAVE_NANOSLEEP)
     timespec tmReq;
-    tmReq.tv_sec = (time_t)(milliseconds / 1000);
-    tmReq.tv_nsec = (milliseconds % 1000) * 1000 * 1000;
+    tmReq.tv_sec = (time_t)(microseconds / 1000000);
+    tmReq.tv_nsec = (microseconds % 1000000) * 1000;
 
     // we're not interested in remaining time nor in return value
     (void)nanosleep(&tmReq, (timespec *)NULL);
@@ -154,15 +167,20 @@ void wxUsleep(unsigned long milliseconds)
         #error "usleep() cannot be used in MT programs under Solaris."
     #endif // Sun
 
-    usleep(milliseconds * 1000); // usleep(3) wants microseconds
+    usleep(microseconds);
 #elif defined(HAVE_SLEEP)
     // under BeOS sleep() takes seconds (what about other platforms, if any?)
-    sleep(milliseconds * 1000);
+    sleep(microseconds * 1000000);
 #else // !sleep function
-    #error "usleep() or nanosleep() function required for wxUsleep"
+    #error "usleep() or nanosleep() function required for wxMicroSleep"
 #endif // sleep function
 }
 
+void wxMilliSleep(unsigned long milliseconds)
+{
+    wxMicroSleep(milliseconds*1000);
+}
+
 // ----------------------------------------------------------------------------
 // process management
 // ----------------------------------------------------------------------------
@@ -346,22 +364,6 @@ bool wxShutdown(wxShutdownFlags wFlags)
 
 #if wxUSE_STREAMS
 
-// ----------------------------------------------------------------------------
-// wxPipeInputStream: stream for reading from a pipe
-// ----------------------------------------------------------------------------
-
-class wxPipeInputStream : public wxFileInputStream
-{
-public:
-    wxPipeInputStream(int fd) : wxFileInputStream(fd) { }
-
-    // return TRUE if the pipe is still opened
-    bool IsOpened() const { return !Eof(); }
-
-    // return TRUE if we have anything to read, don't block
-    virtual bool CanRead() const;
-};
-
 bool wxPipeInputStream::CanRead() const
 {
     if ( m_lasterror == wxSTREAM_EOF )
@@ -398,10 +400,6 @@ bool wxPipeInputStream::CanRead() const
     }
 }
 
-// define this to let wxexec.cpp know that we know what we're doing
-#define _WX_USED_BY_WXEXECUTE_
-#include "../common/execcmn.cpp"
-
 #endif // wxUSE_STREAMS
 
 // ----------------------------------------------------------------------------
@@ -515,7 +513,9 @@ long wxExecute(wxChar **argv,
         // start an xterm executing it.
         if ( !(flags & wxEXEC_SYNC) )
         {
-            for ( int fd = 0; fd < FD_SETSIZE; fd++ )
+            // FD_SETSIZE is unsigned under BSD, signed under other platforms
+            // so we need a cast to avoid warnings on all platforms
+            for ( int fd = 0; fd < (int)FD_SETSIZE; fd++ )
             {
                 if ( fd == pipeIn[wxPipe::Read]
                         || fd == pipeOut[wxPipe::Write]
@@ -585,6 +585,9 @@ long wxExecute(wxChar **argv,
     {
         ARGS_CLEANUP;
 
+        // save it for WaitForChild() use
+        execData.pid = pid;
+
         // prepare for IO redirection
 
 #if wxUSE_STREAMS
@@ -828,17 +831,6 @@ wxString wxGetOsDescription()
 
 #endif // !__WXMAC__
 
-int wxGetOsVersion(int *verMaj, int *verMin)
-{
-    // we want this function to work even if there is no wxApp
-    wxConsoleAppTraits traitsConsole;
-    wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
-    if ( ! traits )
-        traits = &traitsConsole;
-
-    return traits->GetOSVersion(verMaj, verMin);
-}
-
 unsigned long wxGetProcessId()
 {
     return (unsigned long)getpid();
@@ -941,7 +933,7 @@ bool wxSetEnv(const wxString& variable, const wxChar *value)
         s << _T('=') << value;
 
     // transform to ANSI
-    const char *p = s.mb_str();
+    const wxWX2MBbuf p = s.mb_str();
 
     // the string will be free()d by libc
     char *buf = (char *)malloc(strlen(p) + 1);
@@ -949,7 +941,7 @@ bool wxSetEnv(const wxString& variable, const wxChar *value)
 
     return putenv(buf) == 0;
 #else // no way to set an env var
-    return FALSE;
+    return false;
 #endif
 }
 
@@ -1060,7 +1052,7 @@ void wxFatalError( const wxString &msg, const wxString &title )
 
 #endif // WXWIN_COMPATIBILITY_2_2
 
-#endif // __WXBASE__
+#endif // wxUSE_BASE
 
 #if wxUSE_GUI
 
@@ -1079,7 +1071,7 @@ bool wxGUIAppTraits::CreateEndProcessPipe(wxExecuteData& execData)
 
 bool wxGUIAppTraits::IsWriteFDOfEndProcessPipe(wxExecuteData& execData, int fd)
 {
-    return fd == execData.pipeEndProcDetect[wxPipe::Write]
+    return fd == (execData.pipeEndProcDetect)[wxPipe::Write];
 }
 
 void wxGUIAppTraits::DetachWriteFDOfEndProcessPipe(wxExecuteData& execData)
@@ -1157,14 +1149,27 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
         // process terminates
         while ( endProcData->pid != 0 )
         {
+            bool idle = true;
+
 #if wxUSE_STREAMS
             if ( execData.bufOut )
+            {
                 execData.bufOut->Update();
+                idle = false;
+            }
 
             if ( execData.bufErr )
+            {
                 execData.bufErr->Update();
+                idle = false;
+            }
 #endif // wxUSE_STREAMS
 
+            // don't consume 100% of the CPU while we're sitting in this
+            // loop
+            if ( idle )
+                wxMilliSleep(1);
+
             // give GTK+ a chance to call GTK_EndProcessDetector here and
             // also repaint the GUI
             wxYield();
@@ -1182,6 +1187,9 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
     }
 }
 
+#endif // wxUSE_GUI
+#if wxUSE_BASE
+
 void wxHandleProcessTermination(wxEndProcessData *proc_data)
 {
     // notify user about termination if required
@@ -1202,5 +1210,4 @@ void wxHandleProcessTermination(wxEndProcessData *proc_data)
     }
 }
 
-#endif // wxUSE_GUI
-
+#endif // wxUSE_BASE