X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4e13eb84aa259d039d44833fe496b9657a2af0cd..c0da0dbabf2d3cf8e1a76a2c82608822d15d0625:/src/gtk/utilsgtk.cpp diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp index ba3988e154..72757f441b 100644 --- a/src/gtk/utilsgtk.cpp +++ b/src/gtk/utilsgtk.cpp @@ -1,74 +1,141 @@ ///////////////////////////////////////////////////////////////////////////// -// 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" + +#ifdef __WXDEBUG__ + #include "wx/gtk/assertdlg_gtk.h" + #if wxUSE_STACKWALKER + #include "wx/stackwalk.h" + #endif // wxUSE_STACKWALKER +#endif // __WXDEBUG__ + #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 -#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 + +/* 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) ) +{ + return false; +} +#endif -void wxSleep(int nSecs) +// Escapes string so that it is valid Pango markup XML string: +wxString wxEscapeStringForPangoMarkup(const wxString& str) { - sleep(nSecs); + 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; } -int wxKill(long pid, int sig) + +// ---------------------------------------------------------------------------- +// display characterstics +// ---------------------------------------------------------------------------- + +void *wxGetDisplay() { - return kill(pid, sig); + return GDK_DISPLAY(); } void wxDisplaySize( int *width, int *height ) @@ -77,320 +144,296 @@ 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 wxClientDisplayRect(int *x, int *y, int *width, int *height) { - 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 ) { - return gdk_window_get_visual( (GdkWindow*) &gdk_root_parent )->depth; + gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL ); } -int wxGetOsVersion(int *majorVsn, int *minorVsn) +bool wxColourDisplay() { - if (majorVsn) *majorVsn = GTK_MAJOR_VERSION; - if (minorVsn) *minorVsn = GTK_MINOR_VERSION; - - return wxGTK; + return true; } -//------------------------------------------------------------------------ -// user and home routines -//------------------------------------------------------------------------ - -const char* wxGetHomeDir( wxString *home ) +int wxDisplayDepth() { - *home = wxGetUserHome( wxString() ); - if (home->IsNull()) *home = "/"; - return *home; + return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth; } -char *wxGetUserHome( const wxString &user ) +wxWindow* wxFindWindowAtPoint(const wxPoint& pt) { - struct passwd *who = (struct passwd *) NULL; + return wxGenericFindWindowAtPoint(pt); +} + +#if !wxUSE_UNICODE - if (user.IsNull() || (user== "")) +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); } - else + else // another encoding, use generic conversion class { - who = getpwnam (user); + wbuf = wxCSConv(enc).cMB2WC(s); } - return who ? who->pw_dir : (char*)NULL; -} - -//------------------------------------------------------------------------ -// 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) + if ( !wbuf && !s.empty() ) { - strcpy(buf, name); - if(strcmp(domain,"(none)") == 0) // standalone machine - { - strcat(buf,"."); - strcat(buf,domain); - } + // 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); } - else - return FALSE; - return TRUE; -#endif + + return wxConvUTF8.cWC2MB(wbuf); } -bool wxGetUserId(char *buf, int sz) -{ - struct passwd *who; +#endif // !wxUSE_UNICODE - *buf = '\0'; - if ((who = getpwuid(getuid ())) != NULL) { - strncpy (buf, who->pw_name, sz-1); - return TRUE; - } - return FALSE; -} +// ---------------------------------------------------------------------------- +// subprocess routines +// ---------------------------------------------------------------------------- -bool wxGetUserName(char *buf, int sz) +extern "C" { +static +void GTK_EndProcessDetector(gpointer data, gint source, + GdkInputCondition WXUNUSED(condition) ) { - 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; -} + wxEndProcessData *proc_data = (wxEndProcessData *)data; -//------------------------------------------------------------------------ -// error and debug output routines -//------------------------------------------------------------------------ + // 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); -void wxDebugMsg( const char *format, ... ) -{ - va_list ap; - va_start( ap, format ); - vfprintf( stderr, format, ap ); - fflush( stderr ); - va_end(ap); -} + if ( rc == 0 ) + { + // no, it didn't exit yet, continue waiting + return; + } -void wxError( 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" ); + // set exit code to -1 if something bad happened + proc_data->exitcode = rc != -1 && 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); +} } -void wxFatalError( const wxString &msg, const wxString &title ) +int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) { - 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() + int tag = gdk_input_add(fd, + GDK_INPUT_READ, + GTK_EndProcessDetector, + (gpointer)proc_data); + + return tag; } -//------------------------------------------------------------------------ -// directory routines -//------------------------------------------------------------------------ -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); -} -//------------------------------------------------------------------------ -// subprocess routines -//------------------------------------------------------------------------ +// ---------------------------------------------------------------------------- +// wxPlatformInfo-related +// ---------------------------------------------------------------------------- -struct wxEndProcessData +wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const { - gint pid, tag; - wxProcess *process; -}; + if ( verMaj ) + *verMaj = gtk_major_version; + if ( verMin ) + *verMin = gtk_minor_version; -static void GTK_EndProcessDetector(gpointer data, gint source, - GdkInputCondition WXUNUSED(condition) ) + return wxPORT_GTK; +} + +#if wxUSE_DETECT_SM +static wxString GetSM() { - 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); -#endif + 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; - close(source); - gdk_input_remove(proc_data->tag); + if ( !dpy ) + return wxEmptyString; - if (proc_data->process) - proc_data->process->OnTerminate(proc_data->pid, status); + char *client_id; + SmcConn smc_conn = SmcOpenConnection(NULL, NULL, + 999, 999, + 0 /* mask */, NULL /* callbacks */, + NULL, &client_id, + 0, NULL); - if (proc_data->pid > 0) - delete proc_data; - else - proc_data->pid = 0; + if ( !smc_conn ) + 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 -long wxExecute( char **argv, bool sync, wxProcess *process ) -{ - wxEndProcessData *data = new wxEndProcessData; - int end_proc_detect[2]; - wxCHECK_MSG( *argv, 0, "can't exec empty command" ); +//----------------------------------------------------------------------------- +// wxGUIAppTraits +//----------------------------------------------------------------------------- + +#ifdef __WXDEBUG__ + +#if wxUSE_STACKWALKER - /* Create pipes */ - if (pipe(end_proc_detect) == -1) +// private helper class +class StackDump : public wxStackWalker +{ +public: + StackDump(GtkAssertDialog *dlg) { m_dlg=dlg; } + +protected: + virtual void OnStackFrame(const wxStackFrame& frame) { - wxLogSysError( "Pipe creation failed" ); - return 0; + wxString fncname = frame.GetName(); + wxString fncargs = fncname; + + 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()); } - /* fork the process */ -#if defined(sun) || defined(__ultrix) || defined(__bsdi__) - pid_t pid = vfork(); -#else - pid_t pid = fork(); -#endif - if (pid == -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( "Fork failed" ); - return 0; + // skip over frames up to including wxOnAssert() + dump->ProcessFrames(3); } - 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); - // 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); +} - _exit(-1); - } - else +#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) { - // 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; + 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") ); } + + gtk_widget_destroy(dialog); + return returnCode; } -long wxExecute( const wxString& command, bool sync, wxProcess *process ) +#endif // __WXDEBUG__ + +wxString wxGUIAppTraits::GetDesktopEnvironment() const { - static const char *IFS = " \t\n"; +#if wxUSE_DETECT_SM + const wxString SM = GetSM(); - wxCHECK_MSG( !command.IsEmpty(), 0, "can't exec empty command" ); + if (SM == wxT("GnomeSM")) + return wxT("GNOME"); - int argc = 0; - char *argv[127]; - char *tmp = new char[command.Len() + 1]; - strcpy(tmp, command); + if (SM == wxT("KDE")) + return wxT("KDE"); +#endif // wxUSE_DETECT_SM + + 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; -}