X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3069ac4e452f98644f9cdcae52a36ed9b9a93a31..38aa6e420c1dde8dc8c2a6512a314328bcf8a28f:/src/gtk/utilsgtk.cpp diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp index 331b2e9cea..ed16a667e0 100644 --- a/src/gtk/utilsgtk.cpp +++ b/src/gtk/utilsgtk.cpp @@ -1,71 +1,134 @@ ///////////////////////////////////////////////////////////////////////////// -// 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/unix/execute.h" #include -#include #include #include #include +#include // for WNOHANG #include -#include -#include -#include -#include -#include -#include -#include -#include +#include "glib.h" +#include "gdk/gdk.h" +#include "gtk/gtk.h" +#include "gdk/gdkx.h" -#include "gdk/gdkx.h" // GDK_DISPLAY +#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 __SVR4__ - #include -#endif + #include "X11/XKBlib.h" -#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); -} + #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 -int wxKill(long pid, int sig) +// Escapes string so that it is valid Pango markup XML string: +wxString wxEscapeStringForPangoMarkup(const wxString& str) { - return kill(pid, sig); + size_t len = str.length(); + wxString out; + out.Alloc(len); + for (size_t i = 0; i < len; i++) + { + wxChar c = str[i]; + switch (c) + { + case _T('&'): + out << _T("&"); + break; + case _T('<'): + out << _T("<"); + break; + case _T('>'): + out << _T(">"); + break; + case _T('\''): + out << _T("'"); + break; + case _T('"'): + out << _T("""); + break; + default: + out << c; + break; + } + } + return out; +} + + +// ---------------------------------------------------------------------------- +// display characterstics +// ---------------------------------------------------------------------------- + +void *wxGetDisplay() +{ + return GDK_DISPLAY(); } void wxDisplaySize( int *width, int *height ) @@ -74,303 +137,200 @@ void wxDisplaySize( int *width, int *height ) if (height) *height = gdk_screen_height(); } -void wxGetMousePosition( int* x, int* y ) +void wxDisplaySizeMM( int *width, int *height ) { - Window dumw; - int dumi; - unsigned int dumu; - - XQueryPointer( GDK_DISPLAY(),GDK_ROOT_WINDOW(), - &dumw,&dumw,x,y,&dumi,&dumi,&dumu ); + if (width) *width = gdk_screen_width_mm(); + if (height) *height = gdk_screen_height_mm(); } -bool wxColourDisplay(void) +void wxClientDisplayRect(int *x, int *y, int *width, int *height) { - wxFAIL_MSG( "wxColourDisplay always returns TRUE" ); - return TRUE; + // This is supposed to return desktop dimensions minus any window + // manager panels, menus, taskbars, etc. If there is a way to do that + // for this platform please fix this function, otherwise it defaults + // to the entire desktop. + if (x) *x = 0; + if (y) *y = 0; + wxDisplaySize(width, height); } -int wxDisplayDepth(void) +void wxGetMousePosition( int* x, int* y ) { - wxFAIL_MSG( "wxDisplayDepth always returns 8" ); - return 8; + gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL ); } -//------------------------------------------------------------------------ -// user and home routines -//------------------------------------------------------------------------ - -const char* wxGetHomeDir( wxString *home ) +bool wxColourDisplay() { - *home = wxGetUserHome( wxString() ); - if (home->IsNull()) *home = "/"; - return *home; + return true; } -char *wxGetUserHome( const wxString &user ) +int wxDisplayDepth() { - struct passwd *who = (struct passwd *) NULL; - - if (user.IsNull() || (user== "")) - { - 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()); - } - } - else - { - who = getpwnam (user); - } + return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth; +} - return who ? who->pw_dir : (char*)NULL; +wxWindow* wxFindWindowAtPoint(const wxPoint& pt) +{ + return wxGenericFindWindowAtPoint(pt); } -//------------------------------------------------------------------------ -// id routines -//------------------------------------------------------------------------ +#if !wxUSE_UNICODE -bool wxGetHostName(char *buf, int sz) +wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc) { - *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) + wxCharBuffer buf; + if ( enc == wxFONTENCODING_UTF8 ) { - strcpy(buf, name); - if(strcmp(domain,"(none)") == 0) // standalone machine + // no need for conversion at all, but do check that we have a valid + // UTF-8 string because passing invalid UTF-8 to GTK+ is going to + // result in a GTK+ error message and, especially, loss of data which + // was supposed to be shown in the GUI + if ( wxConvUTF8.ToWChar(NULL, 0, s, s.length()) == wxCONV_FAILED ) { - strcat(buf,"."); - strcat(buf,domain); + // warn the programmer that something is probably wrong in his code + // + // NB: don't include the string in output because chances are that + // this invalid UTF-8 string could result in more errors itself + // if the application shows logs in the GUI and so we get into + // an infinite loop + wxLogDebug(_T("Invalid UTF-8 string in wxConvertToGTK()")); + + // but still try to show at least something on the screen + wxMBConvUTF8 utf8permissive(wxMBConvUTF8::MAP_INVALID_UTF8_TO_OCTAL); + wxWCharBuffer wbuf(utf8permissive.cMB2WC(s)); + buf = wxConvUTF8.cWC2MB(wbuf); + } + else // valid UTF-8 string, no need to convert + { + buf = wxCharBuffer(s); } } - else - return FALSE; - return TRUE; -#endif -} - -bool wxGetUserId(char *buf, int sz) -{ - struct passwd *who; + else // !UTF-8 + { + wxWCharBuffer wbuf; + if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT ) + { + wbuf = wxConvUI->cMB2WC(s); + } + else // another encoding, use generic conversion class + { + wbuf = wxCSConv(enc).cMB2WC(s); + } - *buf = '\0'; - if ((who = getpwuid(getuid ())) != NULL) { - strncpy (buf, who->pw_name, sz-1); - return TRUE; + if ( wbuf ) + buf = wxConvUTF8.cWC2MB(wbuf); } - return FALSE; -} -bool wxGetUserName(char *buf, int sz) -{ - 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; + return buf; } -//------------------------------------------------------------------------ -// error and debug output routines -//------------------------------------------------------------------------ +#endif // !wxUSE_UNICODE -void wxDebugMsg( const char *format, ... ) -{ - va_list ap; - va_start( ap, format ); - vfprintf( stderr, format, ap ); - fflush( stderr ); - va_end(ap); -} +// ---------------------------------------------------------------------------- +// subprocess routines +// ---------------------------------------------------------------------------- -void wxError( const wxString &msg, const wxString &title ) +extern "C" { +static +void GTK_EndProcessDetector(gpointer data, gint source, + GdkInputCondition WXUNUSED(condition) ) { - fprintf( stderr, "Error " ); - if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) ); - if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) ); - fprintf( stderr, ".\n" ); -} + wxEndProcessData *proc_data = (wxEndProcessData *)data; -void wxFatalError( const wxString &msg, const wxString &title ) -{ - 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() -} + // 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); -//------------------------------------------------------------------------ -// directory routines -//------------------------------------------------------------------------ + if ( rc == 0 ) + { + // no, it didn't exit yet, continue waiting + return; + } -bool wxDirExists( const wxString& dir ) -{ - char buf[500]; - strcpy( buf, WXSTRINGCAST(dir) ); - struct stat sbuf; - return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE); -} + // set exit code to -1 if something bad happened + proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status) + : -1; -//------------------------------------------------------------------------ -// subprocess routines -//------------------------------------------------------------------------ + // child exited, end waiting + close(source); -struct wxEndProcessData -{ - gint pid, tag; - wxProcess *process; -}; + // don't call us again! + gdk_input_remove(proc_data->tag); + + wxHandleProcessTermination(proc_data); +} +} -static void GTK_EndProcessDetector(gpointer data, gint source, - GdkInputCondition WXUNUSED(condition) ) +int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) { - wxEndProcessData *proc_data = (wxEndProcessData *)data; - int pid; + int tag = gdk_input_add(fd, + GDK_INPUT_READ, + GTK_EndProcessDetector, + (gpointer)proc_data); - pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid); + return tag; +} - /* 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 */ -#if !defined(__sgi) - wait4(proc_data->pid, NULL, 0, NULL); -#else - wait3((int *) NULL, 0, (rusage *) NULL); -#endif - close(source); - gdk_input_remove(proc_data->tag); - if (proc_data->process) - proc_data->process->OnTerminate(proc_data->pid); +// ---------------------------------------------------------------------------- +// wxPlatformInfo-related +// ---------------------------------------------------------------------------- - if (proc_data->pid > 0) - delete proc_data; - else - proc_data->pid = 0; +wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const +{ + if ( verMaj ) + *verMaj = gtk_major_version; + if ( verMin ) + *verMin = gtk_minor_version; + + return wxPORT_GTK; } -long wxExecute( char **argv, bool sync, wxProcess *process ) +#if wxUSE_DETECT_SM +static wxString GetSM() { - wxEndProcessData *data = new wxEndProcessData; - int end_proc_detect[2]; + Display *dpy; + SmcConn smc_conn; + char *vendor; + char *client_id_ret; + dpy = XOpenDisplay(NULL); - wxCHECK_MSG( *argv, 0, "can't exec empty command" ); + smc_conn = SmcOpenConnection(NULL, NULL, + 999, 999, + 0 /* mask */, NULL /* callbacks */, + NULL, &client_id_ret, 0, NULL); - /* Create pipes */ - if (pipe(end_proc_detect) == -1) { - wxLogSysError(_("Pipe creation failed")); - return 0; - } + vendor = SmcVendor(smc_conn); + wxString ret = wxString::FromAscii( vendor ); + free(vendor); - /* fork the process */ -#if defined(sun) || defined(__ultrix) || defined(__bsdi__) - pid_t pid = vfork(); -#else - pid_t pid = fork(); -#endif - if (pid == -1) { - // error - wxLogSysError(_("Fork failed")); - return 0; - } - else if (pid == 0) { - // 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); - -#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); + SmcCloseConnection(smc_conn, 0, NULL); + free(client_id_ret); - _exit(-1); - } - else { - // 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; - } + XCloseDisplay(dpy); + + return ret; } +#endif -long wxExecute( const wxString& command, bool sync, wxProcess *process ) +wxString wxGUIAppTraits::GetDesktopEnvironment() const { - static const char *IFS = " \t\n"; - - wxCHECK_MSG( !command.IsEmpty(), 0, "can't exec empty command" ); +#if wxUSE_DETECT_SM + wxString SM = GetSM(); + + if (SM == wxT("GnomeSM")) + return wxT("GNOME"); + + if (SM == wxT("KDE")) + return wxT("KDE"); +#endif - int argc = 0; - char *argv[127]; - char *tmp = new char[command.Len() + 1]; - strcpy(tmp, command); + return wxEmptyString; +} - argv[argc++] = strtok(tmp, IFS); - while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL) - /* loop */ ; - long lRc = wxExecute(argv, sync, process); - - delete [] tmp; - return lRc; -}