/////////////////////////////////////////////////////////////////////////////
-// Name: utils.cpp
+// Name: src/gtk/utilsgtk.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
-//#ifdef __GNUG__
-//#pragma implementation "utils.h"
-//#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/utils.h"
-#include "wx/string.h"
-#include "wx/intl.h"
-#include "wx/log.h"
+#ifndef WX_PRECOMP
+ #include "wx/string.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+#endif
+#include "wx/apptrait.h"
#include "wx/process.h"
+#include "wx/sysopt.h"
+#include "wx/unix/execute.h"
+
+#include "wx/gtk/private/timer.h"
+#include "wx/evtloop.h"
+
+#ifdef __WXDEBUG__
+ #include "wx/gtk/assertdlg_gtk.h"
+ #if wxUSE_STACKWALKER
+ #include "wx/stackwalk.h"
+ #endif // wxUSE_STACKWALKER
+#endif // __WXDEBUG__
#include <stdarg.h>
-#include <dirent.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <sys/wait.h> // for WNOHANG
#include <unistd.h>
-#include <sys/wait.h>
-#include <pwd.h>
-#include <errno.h>
-#include <netdb.h>
-#include <signal.h>
-#include <fcntl.h> // for O_WRONLY and friends
#include "glib.h"
#include "gdk/gdk.h"
#include "gtk/gtk.h"
-#include "gtk/gtkfeatures.h"
#include "gdk/gdkx.h"
-#ifdef __SVR4__
- #include <sys/systeminfo.h>
-#endif
+#ifdef HAVE_X11_XKBLIB_H
+ /* under HP-UX and Solaris 2.6, at least, XKBlib.h defines structures with
+ * field named "explicit" - which is, of course, an error for a C++
+ * compiler. To be on the safe side, just redefine it everywhere. */
+ #define explicit __wx_explicit
-#ifdef __SOLARIS__
-// somehow missing from sys/wait.h but in the system's docs
-extern "C"
-{
- pid_t wait4(pid_t pid, int *statusp, int options, struct rusage
- *rusage);
-}
+ #include "X11/XKBlib.h"
+
+ #undef explicit
+#endif // HAVE_X11_XKBLIB_H
+
+
+#if wxUSE_DETECT_SM
+ #include "X11/Xlib.h"
+ #include "X11/SM/SMlib.h"
#endif
-//------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxGetRootWindow();
+
+//----------------------------------------------------------------------------
// misc.
-//------------------------------------------------------------------------
+//----------------------------------------------------------------------------
+#ifndef __EMX__
+// on OS/2, we use the wxBell from wxBase library
-void wxBell(void)
+void wxBell()
{
gdk_beep();
}
+#endif
-void wxSleep(int nSecs)
+/* Don't synthesize KeyUp events holding down a key and producing
+ KeyDown events with autorepeat. */
+#ifdef HAVE_X11_XKBLIB_H
+bool wxSetDetectableAutoRepeat( bool flag )
+{
+ Bool result;
+ XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result );
+ return result; /* true if keyboard hardware supports this mode */
+}
+#else
+bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
{
- sleep(nSecs);
+ return false;
}
+#endif
+
+// ----------------------------------------------------------------------------
+// display characterstics
+// ----------------------------------------------------------------------------
-int wxKill(long pid, int sig)
+void *wxGetDisplay()
{
- return kill(pid, sig);
+ return GDK_DISPLAY();
}
void wxDisplaySize( int *width, int *height )
if (height) *height = gdk_screen_height();
}
-void wxGetMousePosition( int* x, int* y )
+void wxDisplaySizeMM( int *width, int *height )
{
- gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
+ if (width) *width = gdk_screen_width_mm();
+ if (height) *height = gdk_screen_height_mm();
}
-bool wxColourDisplay(void)
+void wxGetMousePosition( int* x, int* y )
{
- return TRUE;
+ gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
}
-int wxDisplayDepth(void)
+bool wxColourDisplay()
{
- return gdk_window_get_visual( (GdkWindow*) &gdk_root_parent )->depth;
+ return true;
}
-int wxGetOsVersion(int *majorVsn, int *minorVsn)
+int wxDisplayDepth()
{
- if (majorVsn) *majorVsn = GTK_MAJOR_VERSION;
- if (minorVsn) *minorVsn = GTK_MINOR_VERSION;
-
- return wxGTK;
+ return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth;
}
-//------------------------------------------------------------------------
-// user and home routines
-//------------------------------------------------------------------------
-
-const char* wxGetHomeDir( wxString *home )
+wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
{
- *home = wxGetUserHome( wxString() );
- if (home->IsNull()) *home = "/";
- return *home;
+ return wxGenericFindWindowAtPoint(pt);
}
-char *wxGetUserHome( const wxString &user )
-{
- struct passwd *who = (struct passwd *) NULL;
+#if !wxUSE_UNICODE
- if (user.IsNull() || (user== ""))
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertToGTK(const wxString& s, wxFontEncoding enc)
+{
+ wxWCharBuffer wbuf;
+ if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT )
{
- register char *ptr;
-
- if ((ptr = getenv("HOME")) != NULL)
- {
- return ptr;
- }
- if ((ptr = getenv("USER")) != NULL || (ptr = getenv("LOGNAME")) != NULL)
- {
- who = getpwnam(ptr);
- }
-
- /* We now make sure the the user exists! */
- if (who == NULL)
- {
- who = getpwuid(getuid());
- }
+ wbuf = wxConvUI->cMB2WC(s.c_str());
}
- else
+ else // another encoding, use generic conversion class
+ {
+ wbuf = wxCSConv(enc).cMB2WC(s.c_str());
+ }
+
+ if ( !wbuf && !s.empty() )
{
- who = getpwnam (user);
+ // conversion failed, but we still want to show something to the user
+ // even if it's going to be wrong it is better than nothing
+ //
+ // we choose ISO8859-1 here arbitrarily, it's just the most common
+ // encoding probably and, also importantly here, conversion from it
+ // never fails as it's done internally by wxCSConv
+ wbuf = wxCSConv(wxFONTENCODING_ISO8859_1).cMB2WC(s.c_str());
}
- return who ? who->pw_dir : (char*)NULL;
+ return wxConvUTF8.cWC2MB(wbuf);
}
-//------------------------------------------------------------------------
-// id routines
-//------------------------------------------------------------------------
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
+{
+ // this conversion should never fail as GTK+ always uses UTF-8 internally
+ // so there are no complications here
+ const wxWCharBuffer wbuf(wxConvUTF8.cMB2WC(s.c_str()));
+ if ( enc == wxFONTENCODING_SYSTEM )
+ return wxConvUI->cWC2MB(wbuf);
+
+ return wxCSConv(enc).cWC2MB(wbuf);
+}
+
+#endif // !wxUSE_UNICODE
-bool wxGetHostName(char *buf, int sz)
+// Returns NULL if version is certainly greater or equal than major.minor.micro
+// Returns string describing the error if version is lower than
+// major.minor.micro OR it cannot be determined and one should not rely on the
+// availability of pango version major.minor.micro, nor the non-availability
+const gchar *wx_pango_version_check (int major, int minor, int micro)
{
- *buf = '\0';
-#if defined(__SVR4__) && !defined(__sgi)
- //KB: does this return the fully qualified host.domain name?
- return (sysinfo(SI_HOSTNAME, buf, sz) != -1);
-#else /* BSD Sockets */
- char name[255], domain[255];
- //struct hostent *h;
- // Get hostname
- if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1)
- return FALSE;
- if (getdomainname(domain, sizeof(domain)/sizeof(char)-1) == -1)
- return FALSE;
- // Get official full name of host
- // doesn't return the full qualified name, replaced by following
- // code (KB)
- // strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1);
- if((unsigned)sz > strlen(name)+strlen(domain)+1)
+#ifdef PANGO_VERSION_MAJOR
+ if (!gtk_check_version (2,11,0))
{
- strcpy(buf, name);
- if(strcmp(domain,"(none)") == 0) // standalone machine
- {
- strcat(buf,".");
- strcat(buf,domain);
- }
+ // GTK+ 2.11 requires Pango >= 1.15.3 and pango_version_check
+ // was added in Pango 1.15.2 thus we know for sure the pango lib we're
+ // using has the pango_version_check function:
+ return pango_version_check (major, minor, micro);
}
- else
- return FALSE;
- return TRUE;
+
+ return "can't check";
+#else // !PANGO_VERSION_MAJOR
+ wxUnusedVar(major);
+ wxUnusedVar(minor);
+ wxUnusedVar(micro);
+
+ return "too old headers";
#endif
}
-bool wxGetUserId(char *buf, int sz)
+
+// ----------------------------------------------------------------------------
+// subprocess routines
+// ----------------------------------------------------------------------------
+
+extern "C" {
+static
+void GTK_EndProcessDetector(gpointer data, gint source,
+ GdkInputCondition WXUNUSED(condition) )
{
- struct passwd *who;
+ wxEndProcessData *proc_data = (wxEndProcessData *)data;
+
+ // has the process really terminated? unfortunately GDK (or GLib) seem to
+ // generate G_IO_HUP notification even when it simply tries to read from a
+ // closed fd and hasn't terminated at all
+ int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
+ int status = 0;
+ int rc = waitpid(pid, &status, WNOHANG);
- *buf = '\0';
- if ((who = getpwuid(getuid ())) != NULL) {
- strncpy (buf, who->pw_name, sz-1);
- return TRUE;
+ if ( rc == 0 )
+ {
+ // This can only happen if the child application closes our dummy
+ // pipe that is used to monitor its lifetime; in that case, our
+ // best bet is to pretend the process did terminate, because
+ // otherwise wxExecute() would hang indefinitely
+ // (OnExceptionWaiting() won't be called again, the descriptor
+ // is closed now).
+ wxLogDebug("Child process (PID %i) still alive, even though notification was received that it terminated.", pid);
+ }
+ else if ( rc == -1 )
+ {
+ // As above, if waitpid() fails, the best we can do is to log the
+ // error and pretend the child terminated:
+ wxLogSysError(_("Failed to check child process' status"));
}
- return FALSE;
+
+ // set exit code to -1 if something bad happened
+ proc_data->exitcode = (rc > 0 && WIFEXITED(status))
+ ? WEXITSTATUS(status)
+ : -1;
+
+ // child exited, end waiting
+ close(source);
+
+ // don't call us again!
+ gdk_input_remove(proc_data->tag);
+
+ wxHandleProcessTermination(proc_data);
+}
}
-bool wxGetUserName(char *buf, int sz)
+int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
{
- struct passwd *who;
- char *comma;
-
- *buf = '\0';
- if ((who = getpwuid (getuid ())) != NULL) {
- comma = strchr(who->pw_gecos,'c');
- if(comma) *comma = '\0'; // cut off non-name comment fields
- strncpy (buf, who->pw_gecos, sz - 1);
- return TRUE;
- }
- return FALSE;
+ int tag = gdk_input_add(fd,
+ GDK_INPUT_READ,
+ GTK_EndProcessDetector,
+ (gpointer)proc_data);
+
+ return tag;
}
-//------------------------------------------------------------------------
-// error and debug output routines
-//------------------------------------------------------------------------
-void wxDebugMsg( const char *format, ... )
-{
- va_list ap;
- va_start( ap, format );
- vfprintf( stderr, format, ap );
- fflush( stderr );
- va_end(ap);
-}
-void wxError( const wxString &msg, const wxString &title )
+// ----------------------------------------------------------------------------
+// wxPlatformInfo-related
+// ----------------------------------------------------------------------------
+
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
{
- fprintf( stderr, "Error " );
- if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
- if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
- fprintf( stderr, ".\n" );
+ if ( verMaj )
+ *verMaj = gtk_major_version;
+ if ( verMin )
+ *verMin = gtk_minor_version;
+
+ return wxPORT_GTK;
}
-void wxFatalError( const wxString &msg, const wxString &title )
+#if wxUSE_TIMER
+
+wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
{
- fprintf( stderr, "Error " );
- if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
- if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
- fprintf( stderr, ".\n" );
- exit(3); // the same exit code as for abort()
+ return new wxGTKTimerImpl(timer);
}
-//------------------------------------------------------------------------
-// directory routines
-//------------------------------------------------------------------------
+#endif // wxUSE_TIMER
-bool wxDirExists( const wxString& dir )
+#if wxUSE_DETECT_SM
+static wxString GetSM()
{
- char buf[500];
- strcpy( buf, WXSTRINGCAST(dir) );
- struct stat sbuf;
- return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE);
+ class Dpy
+ {
+ public:
+ Dpy() { m_dpy = XOpenDisplay(NULL); }
+ ~Dpy() { if ( m_dpy ) XCloseDisplay(m_dpy); }
+
+ operator Display *() const { return m_dpy; }
+ private:
+ Display *m_dpy;
+ } dpy;
+
+ if ( !dpy )
+ return wxEmptyString;
+
+ char smerr[256];
+ char *client_id;
+ SmcConn smc_conn = SmcOpenConnection(NULL, NULL,
+ 999, 999,
+ 0 /* mask */, NULL /* callbacks */,
+ NULL, &client_id,
+ WXSIZEOF(smerr), smerr);
+
+ if ( !smc_conn )
+ {
+ wxLogWarning(_("Failed to connect to session manager: %s"), smerr);
+ return wxEmptyString;
+ }
+
+ char *vendor = SmcVendor(smc_conn);
+ wxString ret = wxString::FromAscii( vendor );
+ free(vendor);
+
+ SmcCloseConnection(smc_conn, 0, NULL);
+ free(client_id);
+
+ return ret;
}
+#endif // wxUSE_DETECT_SM
-//------------------------------------------------------------------------
-// subprocess routines
-//------------------------------------------------------------------------
-struct wxEndProcessData
+//-----------------------------------------------------------------------------
+// wxGUIAppTraits
+//-----------------------------------------------------------------------------
+
+wxEventLoopBase *wxGUIAppTraits::CreateEventLoop()
{
- gint pid, tag;
- wxProcess *process;
-};
+ return new wxEventLoop();
+}
-static void GTK_EndProcessDetector(gpointer data, gint source,
- GdkInputCondition WXUNUSED(condition) )
+
+#if wxUSE_INTL
+void wxGUIAppTraits::SetLocale()
{
- wxEndProcessData *proc_data = (wxEndProcessData *)data;
- int pid;
-
- pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
-
- /* wait4 is not part of any standard, use at own risk
- * not sure what wait4 does, but wait3 seems to be closest, whats a digit ;-)
- * --- offer@sgi.com */
- // VZ: wait4() will be woken up by a signal, not wait3 - so it's quite
- // different (also, wait3() waits for any child, wait4() only for this
- // one)
- int status = -1;
-#if !defined(__sgi)
- wait4(proc_data->pid, &status, 0, (rusage *) NULL);
-#else
- wait3(&status, 0, (rusage *) NULL);
+ gtk_set_locale();
+ wxUpdateLocaleIsUtf8();
+}
#endif
- close(source);
- gdk_input_remove(proc_data->tag);
+#ifdef __WXDEBUG__
- if (proc_data->process)
- proc_data->process->OnTerminate(proc_data->pid, status);
+#if wxUSE_STACKWALKER
- if (proc_data->pid > 0)
- delete proc_data;
- else
- proc_data->pid = 0;
-}
-
-long wxExecute( char **argv, bool sync, wxProcess *process )
+// private helper class
+class StackDump : public wxStackWalker
{
- wxEndProcessData *data = new wxEndProcessData;
- int end_proc_detect[2];
+public:
+ StackDump(GtkAssertDialog *dlg) { m_dlg=dlg; }
+
+protected:
+ virtual void OnStackFrame(const wxStackFrame& frame)
+ {
+ wxString fncname = frame.GetName();
+ wxString fncargs = fncname;
- wxCHECK_MSG( *argv, 0, "can't exec empty command" );
+ size_t n = fncname.find(wxT('('));
+ if (n != wxString::npos)
+ {
+ // remove arguments from function name
+ fncname.erase(n);
+
+ // remove function name and brackets from arguments
+ fncargs = fncargs.substr(n+1, fncargs.length()-n-2);
+ }
+ else
+ fncargs = wxEmptyString;
+
+ // append this stack frame's info in the dialog
+ if (!frame.GetFileName().empty() || !fncname.empty())
+ gtk_assert_dialog_append_stack_frame(m_dlg,
+ fncname.mb_str(),
+ fncargs.mb_str(),
+ frame.GetFileName().mb_str(),
+ frame.GetLine());
+ }
- /* Create pipes */
- if (pipe(end_proc_detect) == -1)
+private:
+ GtkAssertDialog *m_dlg;
+};
+
+// the callback functions must be extern "C" to comply with GTK+ declarations
+extern "C"
+{
+ void get_stackframe_callback(StackDump *dump)
{
- wxLogSysError( "Pipe creation failed" );
- return 0;
+ // skip over frames up to including wxOnAssert()
+ dump->ProcessFrames(3);
}
+}
- /* fork the process */
-#if defined(sun) || defined(__ultrix) || defined(__bsdi__)
- pid_t pid = vfork();
-#else
- pid_t pid = fork();
-#endif
- if (pid == -1)
+#endif // wxUSE_STACKWALKER
+
+bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
+{
+ // under GTK2 we prefer to use a dialog widget written using directly GTK+;
+ // in fact we cannot use a dialog written using wxWidgets: it would need
+ // the wxWidgets idle processing to work correctly!
+ GtkWidget *dialog = gtk_assert_dialog_new();
+ gtk_assert_dialog_set_message(GTK_ASSERT_DIALOG(dialog), msg.mb_str());
+
+#if wxUSE_STACKWALKER
+ // don't show more than maxLines or we could get a dialog too tall to be
+ // shown on screen: 20 should be ok everywhere as even with 15 pixel high
+ // characters it is still only 300 pixels...
+ static const int maxLines = 20;
+
+ // save current stack frame...
+ StackDump dump(GTK_ASSERT_DIALOG(dialog));
+ dump.SaveStack(maxLines);
+
+ // ...but process it only if the user needs it
+ gtk_assert_dialog_set_backtrace_callback(GTK_ASSERT_DIALOG(dialog),
+ (GtkAssertDialogStackFrameCallback)get_stackframe_callback,
+ &dump);
+#endif // wxUSE_STACKWALKER
+
+ gint result = gtk_dialog_run(GTK_DIALOG (dialog));
+ bool returnCode = false;
+ switch (result)
{
- wxLogSysError( "Fork failed" );
- return 0;
+ case GTK_ASSERT_DIALOG_STOP:
+ wxTrap();
+ break;
+ case GTK_ASSERT_DIALOG_CONTINUE:
+ // nothing to do
+ break;
+ case GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING:
+ // no more asserts
+ returnCode = true;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unexpected return code from GtkAssertDialog") );
}
- else if (pid == 0)
+
+ gtk_widget_destroy(dialog);
+ return returnCode;
+}
+
+#endif // __WXDEBUG__
+
+wxString wxGUIAppTraits::GetDesktopEnvironment() const
+{
+ wxString de = wxSystemOptions::GetOption(_T("gtk.desktop"));
+#if wxUSE_DETECT_SM
+ if ( de.empty() )
{
- // we're in child
- close(end_proc_detect[0]); // close reading side
- // These three lines close the open file descriptors to
- // to avoid any input/output which might block the process
- // or irritate the user. If one wants proper IO for the sub-
- // process, the "right thing to do" is to start an xterm executing
- // it.
- close(STDIN_FILENO);
- close(STDOUT_FILENO);
- close(STDERR_FILENO);
- // some programs complain about sterr not being open, so
- // redirect them:
- open("/dev/null", O_RDONLY); // stdin
- open("/dev/null", O_WRONLY); // stdout
- open("/dev/null", O_WRONLY); // stderr
-
-
-#ifdef _AIX
- execvp ((const char *)*argv, (const char **)argv);
-#else
- execvp (*argv, argv);
-#endif
- // there is no return after successful exec()
- wxLogSysError( "Can't execute '%s'", *argv);
+ static const wxString s_SM = GetSM();
- _exit(-1);
+ if (s_SM == wxT("GnomeSM"))
+ de = wxT("GNOME");
+ else if (s_SM == wxT("KDE"))
+ de = wxT("KDE");
}
- else
+#endif // wxUSE_DETECT_SM
+
+ return de;
+}
+
+#ifdef __WXGTK26__
+
+// see the hack below in wxCmdLineParser::GetUsageString().
+// TODO: replace this hack with a g_option_group_get_entries()
+// call as soon as such function exists
+struct _GOptionGroup
+{
+ gchar *name;
+ gchar *description;
+ gchar *help_description;
+
+ GDestroyNotify destroy_notify;
+ gpointer user_data;
+
+ GTranslateFunc translate_func;
+ GDestroyNotify translate_notify;
+ gpointer translate_data;
+
+ GOptionEntry *entries;
+ gint n_entries;
+
+ GOptionParseFunc pre_parse_func;
+ GOptionParseFunc post_parse_func;
+ GOptionErrorFunc error_func;
+};
+
+wxString wxGetNameFromGtkOptionEntry(const GOptionEntry *opt)
+{
+ wxString ret;
+
+ if (opt->short_name)
+ ret << _T("-") << opt->short_name;
+ if (opt->long_name)
{
- // we're in parent
- close(end_proc_detect[1]); // close writing side
- data->tag = gdk_input_add(end_proc_detect[0], GDK_INPUT_READ,
- GTK_EndProcessDetector, (gpointer)data);
- data->pid = pid;
- if (!sync)
- {
- data->process = process;
- }
- else
- {
- data->process = (wxProcess *) NULL;
- data->pid = -(data->pid);
-
- while (data->pid != 0)
- wxYield();
-
- delete data;
- }
-
- // @@@ our return value indicates success even if execvp() in the child
- // failed!
- return pid;
+ if (!ret.empty())
+ ret << _T(", ");
+ ret << _T("--") << opt->long_name;
+
+ if (opt->arg_description)
+ ret << _T("=") << opt->arg_description;
}
+
+ return _T(" ") + ret;
}
-long wxExecute( const wxString& command, bool sync, wxProcess *process )
+#endif // __WXGTK26__
+
+wxString
+wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
+ wxArrayString& desc) const
{
- static const char *IFS = " \t\n";
+ wxString usage;
+
+#ifdef __WXGTK26__
+ // check whether GTK version is greater than 2.6 but also lower than 2.12
+ // because, as we use the undocumented _GOptionGroup struct, we don't want
+ // to run this code with future versions which might change it (2.11 is the
+ // latest one at the time of this writing)
+ if (!gtk_check_version(2,6,0) &&
+ gtk_check_version(2,12,0))
+ {
+ usage << _("The following standard GTK+ options are also supported:\n");
- wxCHECK_MSG( !command.IsEmpty(), 0, "can't exec empty command" );
+ // passing true here means that the function can open the default
+ // display while parsing (not really used here anyhow)
+ GOptionGroup *gtkOpts = gtk_get_option_group(true);
- int argc = 0;
- char *argv[127];
- char *tmp = new char[command.Len() + 1];
- strcpy(tmp, command);
+ // WARNING: here we access the internals of GOptionGroup:
+ GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
+ unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
+ wxArrayString namesOptions, descOptions;
- argv[argc++] = strtok(tmp, IFS);
- while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL)
- /* loop */ ;
+ for ( size_t n = 0; n < n_entries; n++ )
+ {
+ if ( entries[n].flags & G_OPTION_FLAG_HIDDEN )
+ continue; // skip
+
+ names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
- long lRc = wxExecute(argv, sync, process);
-
- delete [] tmp;
+ const gchar * const entryDesc = entries[n].description;
+ desc.push_back(wxString(entryDesc));
+ }
- return lRc;
+ g_option_group_free (gtkOpts);
+ }
+#else
+ wxUnusedVar(names);
+ wxUnusedVar(desc);
+#endif // __WXGTK26__
+
+ return usage;
}
+
projects / wxWidgets.git / blobdiff