X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dfcb1ae09dd55270d45c66a158d6444421e59679..c0da0dbabf2d3cf8e1a76a2c82608822d15d0625:/src/gtk/utilsgtk.cpp diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp index 0199458470..72757f441b 100644 --- a/src/gtk/utilsgtk.cpp +++ b/src/gtk/utilsgtk.cpp @@ -1,317 +1,439 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utils.cpp +// Name: src/gtk/utilsgtk.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 // 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" + +#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 "glib.h" +#include "gdk/gdk.h" +#include "gtk/gtk.h" +#include "gdk/gdkx.h" + +#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 + + #include "X11/XKBlib.h" -#ifdef __SVR4__ -#include + #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(); -}; + 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 ) { - sleep(nSecs); -}; - -int wxKill(long pid, int sig) + Bool result; + XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result ); + return result; /* true if keyboard hardware supports this mode */ +} +#else +bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) ) { - return kill(pid, sig); -}; + return false; +} +#endif -void wxDisplaySize( int *width, int *height ) +// Escapes string so that it is valid Pango markup XML string: +wxString wxEscapeStringForPangoMarkup(const wxString& str) { - if (width) *width = gdk_screen_width(); - if (height) *height = gdk_screen_height(); + 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; } -void wxGetMousePosition( int* x, int* y ) -{ - wxFAIL_MSG( "GetMousePosition not yet implemented" ); - if (x) *x = 0; - if (y) *y = 0; -}; -bool wxColourDisplay(void) +// ---------------------------------------------------------------------------- +// display characterstics +// ---------------------------------------------------------------------------- + +void *wxGetDisplay() { - wxFAIL_MSG( "wxColourDisplay always returns TRUE" ); - return TRUE; + return GDK_DISPLAY(); } -int wxDisplayDepth(void) +void wxDisplaySize( int *width, int *height ) { - wxFAIL_MSG( "wxDisplayDepth always returns 8" ); - return 8; + if (width) *width = gdk_screen_width(); + if (height) *height = gdk_screen_height(); } -//------------------------------------------------------------------------ -// user and home routines -//------------------------------------------------------------------------ - -const char* wxGetHomeDir( wxString *home ) +void wxDisplaySizeMM( int *width, int *height ) { - *home = wxGetUserHome( wxString() ); - if (home->IsNull()) *home = "/"; - return *home; -}; + if (width) *width = gdk_screen_width_mm(); + if (height) *height = gdk_screen_height_mm(); +} -char *wxGetUserHome( const wxString &user ) +void wxClientDisplayRect(int *x, int *y, int *width, int *height) { - 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 who ? who->pw_dir : (char*)NULL; -}; + // 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); +} -//------------------------------------------------------------------------ -// id routines -//------------------------------------------------------------------------ +void wxGetMousePosition( int* x, int* y ) +{ + gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL ); +} -bool wxGetHostName(char *buf, int sz) +bool wxColourDisplay() { - *buf = '\0'; -#if defined(__SVR4__) && !defined(__sgi) - return (sysinfo(SI_HOSTNAME, buf, sz) != -1); -#else /* BSD Sockets */ - char name[255]; - struct hostent *h; - // Get hostname - if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1) - return FALSE; - // Get official full name of host - strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1); - return TRUE; -#endif + return true; } -bool wxGetUserId(char *buf, int sz) +int wxDisplayDepth() { - struct passwd *who; + return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth; +} - *buf = '\0'; - if ((who = getpwuid(getuid ())) != NULL) { - strncpy (buf, who->pw_name, sz-1); - return TRUE; - } - return FALSE; +wxWindow* wxFindWindowAtPoint(const wxPoint& pt) +{ + return wxGenericFindWindowAtPoint(pt); } -bool wxGetUserName(char *buf, int sz) +#if !wxUSE_UNICODE + +wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc) { - struct passwd *who; + 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_gecos, sz - 1); - return TRUE; + if ( !wbuf && !s.empty() ) + { + // 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); } - return FALSE; + + return wxConvUTF8.cWC2MB(wbuf); } -//------------------------------------------------------------------------ -// 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(1); -}; + // 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); + + // don't call us again! + gdk_input_remove(proc_data->tag); -typedef struct { - gint pid, tag; - wxProcess *process; -} wxEndProcessData; + 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]; + 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 *client_id; + SmcConn smc_conn = SmcOpenConnection(NULL, NULL, + 999, 999, + 0 /* mask */, NULL /* callbacks */, + NULL, &client_id, + 0, NULL); + + 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 - if (*argv == NULL) - return 0; - /* Create pipes */ - if (pipe(end_proc_detect) == -1) { - perror("pipe failed"); - return 0; - } +//----------------------------------------------------------------------------- +// wxGUIAppTraits +//----------------------------------------------------------------------------- - /* fork the process */ -#if defined(sun) || defined(__ultrix) || defined(__bsdi__) - pid_t pid = vfork(); -#else - pid_t pid = fork(); -#endif - if (pid == -1) { - perror ("fork failed"); - return 0; - } else if (pid == 0) { - /* Close fd not useful */ - close(end_proc_detect[0]); // close reading side - - /* child */ -#ifdef _AIX - execvp ((const char *)*argv, (const char **)argv); -#else - execvp (*argv, argv); -#endif - if (errno == ENOENT) - wxError("command not found", *argv); - else - perror (*argv); - wxError("could not execute", *argv); - _exit (-1); +#ifdef __WXDEBUG__ + +#if wxUSE_STACKWALKER + +// private helper class +class StackDump : public wxStackWalker +{ +public: + StackDump(GtkAssertDialog *dlg) { m_dlg=dlg; } + +protected: + virtual void OnStackFrame(const wxStackFrame& frame) + { + 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()); } - 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); +private: + GtkAssertDialog *m_dlg; +}; + +// the callback functions must be extern "C" to comply with GTK+ declarations +extern "C" +{ + void get_stackframe_callback(StackDump *dump) + { + // skip over frames up to including wxOnAssert() + dump->ProcessFrames(3); + } +} - while (data->pid != 0) - wxYield(); +#endif // wxUSE_STACKWALKER - delete data; +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) + { + 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") ); } - return pid; -}; + gtk_widget_destroy(dialog); + return returnCode; +} + +#endif // __WXDEBUG__ -long wxExecute( const wxString& command, bool sync, wxProcess *process ) +wxString wxGUIAppTraits::GetDesktopEnvironment() const { - if (command.IsNull() || command == "") return FALSE; - - int argc = 0; - char *argv[127]; - char tmp[1024]; - const char *IFS = " \t\n"; - - strncpy (tmp, command, sizeof(tmp) / sizeof(char) - 1); - tmp[sizeof (tmp) / sizeof (char) - 1] = '\0'; - argv[argc++] = strtok (tmp, IFS); - while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL) - /* loop */ ; - return wxExecute(argv, sync, process); -}; +#if wxUSE_DETECT_SM + const wxString SM = GetSM(); + + if (SM == wxT("GnomeSM")) + return wxT("GNOME"); + + if (SM == wxT("KDE")) + return wxT("KDE"); +#endif // wxUSE_DETECT_SM + + return wxEmptyString; +} +