X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/539dae520079857cd3bc5aaaf280a85a4e3b78c6..c08ee0349dd4ed6d62f734fe576e47c7027e2b9e:/src/gtk/utilsgtk.cpp?ds=sidebyside diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp index a55812182a..f615293ba2 100644 --- a/src/gtk/utilsgtk.cpp +++ b/src/gtk/utilsgtk.cpp @@ -1,423 +1,261 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 // 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 -#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 -// many versions of Unices have this function, but it is not defined in system -// headers - please add your system here if it is the case for your OS. -// SunOS (and Solaris) and DG-UX are like this. -#if defined(__SOLARIS__) || defined(__osf__) - extern "C" - { - pid_t wait4(pid_t pid, int *statusp, int options, - struct rusage *rusage); - } + #include "X11/XKBlib.h" - #define wxWait4(pid, stat, flags, rusage) wait4(pid, stat, flags, rusage) -#elif defined(__sgi) || defined(__HPUX__) - // no wait4() at all on these systems - // TODO verify whether wait3() really works in this situation - #define wxWait4(pid, stat, flags, rusage) wait3(stat, flags, rusage) -#else - // other Unices: assume have wait4(), although it's not standard (but - // Linux and FreeBSD do have it) - #define wxWait4(pid, stat, flags, rusage) wait4(pid, stat, flags, rusage) -#endif // wait4() - -//------------------------------------------------------------------------ -// misc. -//------------------------------------------------------------------------ + #undef explicit +#endif // HAVE_X11_XKBLIB_H -void wxBell(void) -{ - gdk_beep(); -} - -void wxSleep(int nSecs) -{ - sleep(nSecs); -} - -int wxKill(long pid, int sig) -{ - return kill(pid, sig); -} - -void wxDisplaySize( int *width, int *height ) -{ - if (width) *width = gdk_screen_width(); - if (height) *height = gdk_screen_height(); -} +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- -void wxGetMousePosition( int* x, int* y ) -{ - gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL ); -} +extern GtkWidget *wxGetRootWindow(); -bool wxColourDisplay(void) -{ - return TRUE; -} +//---------------------------------------------------------------------------- +// misc. +//---------------------------------------------------------------------------- +#ifndef __EMX__ +// on OS/2, we use the wxBell from wxBase library -int wxDisplayDepth(void) +void wxBell() { - return gdk_window_get_visual( (GdkWindow*) &gdk_root_parent )->depth; + gdk_beep(); } +#endif -int wxGetOsVersion(int *majorVsn, int *minorVsn) +/* Don't synthesize KeyUp events holding down a key and producing + KeyDown events with autorepeat. */ +#ifdef HAVE_X11_XKBLIB_H +bool wxSetDetectableAutoRepeat( bool flag ) { - if (majorVsn) *majorVsn = GTK_MAJOR_VERSION; - if (minorVsn) *minorVsn = GTK_MINOR_VERSION; - - return wxGTK; + Bool result; + XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result ); + return result; /* true if keyboard hardware supports this mode */ } - -//------------------------------------------------------------------------ -// user and home routines -//------------------------------------------------------------------------ - -const char* wxGetHomeDir( wxString *home ) +#else +bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) ) { - *home = wxGetUserHome( wxString() ); - if (home->IsNull()) *home = "/"; - return *home; + return false; } +#endif -char *wxGetUserHome( const wxString &user ) +// Escapes string so that it is valid Pango markup XML string: +wxString wxEscapeStringForPangoMarkup(const wxString& str) { - struct passwd *who = (struct passwd *) NULL; - - if (user.IsNull() || (user== "")) + size_t len = str.length(); + wxString out; + out.Alloc(len); + for (size_t i = 0; i < len; i++) { - register char *ptr; - - if ((ptr = getenv("HOME")) != NULL) - { - return ptr; - } - if ((ptr = getenv("USER")) != NULL || (ptr = getenv("LOGNAME")) != NULL) - { - who = getpwnam(ptr); + 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; } - - /* We now make sure the the user exists! */ - if (who == NULL) - { - who = getpwuid(getuid()); - } - } - else - { - who = getpwnam (user); } - - return who ? who->pw_dir : (char*)NULL; + return out; } -//------------------------------------------------------------------------ -// id routines -//------------------------------------------------------------------------ -bool wxGetHostName(char *buf, int sz) -{ - *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) - { - strcpy(buf, name); - if(strcmp(domain,"(none)") == 0) // standalone machine - { - strcat(buf,"."); - strcat(buf,domain); - } - } - else - return FALSE; - return TRUE; -#endif -} +// ---------------------------------------------------------------------------- +// display characterstics +// ---------------------------------------------------------------------------- -bool wxGetUserId(char *buf, int sz) +void *wxGetDisplay() { - struct passwd *who; - - *buf = '\0'; - if ((who = getpwuid(getuid ())) != NULL) { - strncpy (buf, who->pw_name, sz-1); - return TRUE; - } - return FALSE; + return GDK_DISPLAY(); } -bool wxGetUserName(char *buf, int sz) +void wxDisplaySize( int *width, int *height ) { - 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; + if (width) *width = gdk_screen_width(); + if (height) *height = gdk_screen_height(); } -//------------------------------------------------------------------------ -// error and debug output routines -//------------------------------------------------------------------------ - -void wxDebugMsg( const char *format, ... ) +void wxDisplaySizeMM( int *width, int *height ) { - va_list ap; - va_start( ap, format ); - vfprintf( stderr, format, ap ); - fflush( stderr ); - va_end(ap); + if (width) *width = gdk_screen_width_mm(); + if (height) *height = gdk_screen_height_mm(); } -void wxError( const wxString &msg, const wxString &title ) +void wxClientDisplayRect(int *x, int *y, int *width, int *height) { - fprintf( stderr, "Error " ); - if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) ); - if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) ); - fprintf( stderr, ".\n" ); + // 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); } -void wxFatalError( const wxString &msg, const wxString &title ) +void wxGetMousePosition( int* x, int* y ) { - 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() + gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL ); } -//------------------------------------------------------------------------ -// directory routines -//------------------------------------------------------------------------ - -bool wxDirExists( const wxString& dir ) +bool wxColourDisplay() { - char buf[500]; - strcpy( buf, WXSTRINGCAST(dir) ); - struct stat sbuf; - return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE); + return true; } -//------------------------------------------------------------------------ -// subprocess routines -//------------------------------------------------------------------------ - -// if pid > 0, the execution is async and the data is freed in -// GTK_EndProcessDetector, if pid < 0, the execution is synchronous and the -// caller (wxExecute) frees the data -struct wxEndProcessData +int wxDisplayDepth() { - gint pid, tag; - wxProcess *process; - int exitcode; -}; + return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth; +} -static void GTK_EndProcessDetector(gpointer data, gint source, - GdkInputCondition WXUNUSED(condition) ) +wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo() { - wxEndProcessData *proc_data = (wxEndProcessData *)data; - int pid; - - pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid); - - int status = 0; - wxWait4(pid, &status, 0, (rusage *) NULL); - - close(source); - gdk_input_remove(proc_data->tag); - - if (proc_data->process) - proc_data->process->OnTerminate(proc_data->pid, status); - - if (proc_data->pid > 0) - { - delete proc_data; - } - else - { - // wxExecute() will know about it - proc_data->exitcode = status; - - proc_data->pid = 0; - } + static wxToolkitInfo info; + info.shortName = _T("gtk2"); + info.name = _T("wxGTK"); +#ifdef __WXUNIVERSAL__ + info.shortName << _T("univ"); + info.name << _T("/wxUniversal"); +#endif + info.versionMajor = gtk_major_version; + info.versionMinor = gtk_minor_version; + info.os = wxGTK; + return info; } -long wxExecute( char **argv, bool sync, wxProcess *process ) +wxWindow* wxFindWindowAtPoint(const wxPoint& pt) { - wxEndProcessData *data = new wxEndProcessData; - int end_proc_detect[2]; + return wxGenericFindWindowAtPoint(pt); +} - wxCHECK_MSG( *argv, 0, "can't exec empty command" ); +#if !wxUSE_UNICODE - /* Create pipes */ - if (pipe(end_proc_detect) == -1) +wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc) +{ + if ( enc == wxFONTENCODING_UTF8 ) { - wxLogSysError( _("Pipe creation failed") ); - return 0; + // no need for conversion at all + return wxCharBuffer(s); } - /* fork the process */ -#if defined(sun) || defined(__ultrix) || defined(__bsdi__) - pid_t pid = vfork(); -#else - pid_t pid = fork(); -#endif - if (pid == -1) + wxWCharBuffer wbuf; + if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT ) { - wxLogSysError( _("Fork failed") ); - return 0; + wbuf = wxConvUI->cMB2WC(s); } - else if (pid == 0) + else // another encoding, use generic conversion class { - // 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 subprocess, the "right thing to do is - // to start an xterm executing it. - close(STDIN_FILENO); - close(STDOUT_FILENO); - - // leave stderr opened, it won't do any hurm -#if 0 - close(STDERR_FILENO); - - // some programs complain about stderr not being open, so redirect - // them: - open("/dev/null", O_RDONLY); // stdin - open("/dev/null", O_WRONLY); // stdout - open("/dev/null", O_WRONLY); // stderr -#endif - -#ifdef _AIX - execvp ((const char *)*argv, (const char **)argv); -#else - execvp (*argv, argv); -#endif - - // there is no return after successful exec() - fprintf(stderr, _("Can't execute '%s'\n"), *argv); - - _exit(-1); + wbuf = wxCSConv(enc).cMB2WC(s); } - 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); - if ( sync ) - { - wxASSERT_MSG( !process, "wxProcess param ignored for sync exec" ); - data->process = NULL; - // sync execution: indicate it by negating the pid - data->pid = -pid; + wxCharBuffer buf; + if ( wbuf ) + buf = wxConvUTF8.cWC2MB(wbuf); - // it will be set to 0 from GTK_EndProcessDetector - while (data->pid != 0) - wxYield(); + return buf; +} - int exitcode = data->exitcode; +#endif // !wxUSE_UNICODE - delete data; +// ---------------------------------------------------------------------------- +// subprocess routines +// ---------------------------------------------------------------------------- - return exitcode; - } - else - { - // async execution, nothing special to do - caller will be - // notified about the process terminationif process != NULL, data - // will be deleted in GTK_EndProcessDetector - data->process = process; - data->pid = pid; +extern "C" { +static +void GTK_EndProcessDetector(gpointer data, gint source, + GdkInputCondition WXUNUSED(condition) ) +{ + wxEndProcessData *proc_data = (wxEndProcessData *)data; - return pid; - } - } -} + // 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); -long wxExecute( const wxString& command, bool sync, wxProcess *process ) -{ - static const char *IFS = " \t\n"; + if ( rc == 0 ) + { + // no, it didn't exit yet, continue waiting + return; + } - wxCHECK_MSG( !command.IsEmpty(), 0, "can't exec empty command" ); + // set exit code to -1 if something bad happened + proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status) + : -1; - int argc = 0; - char *argv[127]; - char *tmp = new char[command.Len() + 1]; - strcpy(tmp, command); + // child exited, end waiting + close(source); - argv[argc++] = strtok(tmp, IFS); - while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL) - /* loop */ ; + // don't call us again! + gdk_input_remove(proc_data->tag); - long lRc = wxExecute(argv, sync, process); + wxHandleProcessTermination(proc_data); +} +} - delete [] tmp; +int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) +{ + int tag = gdk_input_add(fd, + GDK_INPUT_READ, + GTK_EndProcessDetector, + (gpointer)proc_data); - return lRc; + return tag; }