/////////////////////////////////////////////////////////////////////////////
-// 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/sysopt.h"
+#ifdef __UNIX__
+#include "wx/unix/execute.h"
+#endif
+
+#include "wx/gtk/private/timer.h"
+#include "wx/evtloop.h"
+
+#include <gtk/gtk.h>
+#ifdef GDK_WINDOWING_WIN32
+#include <gdk/gdkwin32.h>
+#endif
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#if wxDEBUG_LEVEL
+ #include "wx/gtk/assertdlg_gtk.h"
+ #if wxUSE_STACKWALKER
+ #include "wx/stackwalk.h"
+ #endif // wxUSE_STACKWALKER
+#endif // wxDEBUG_LEVEL
#include <stdarg.h>
-#include <dirent.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
+#ifdef __UNIX__
#include <unistd.h>
-#include <sys/wait.h>
-#include <pwd.h>
-#include <errno.h>
-#include <netdb.h>
-#include <signal.h>
+#endif
+#if wxUSE_DETECT_SM
+ #include <X11/SM/SMlib.h>
-#ifdef __SVR4__
-#include <sys/systeminfo.h>
+ #include "wx/unix/utilsx11.h"
#endif
-//------------------------------------------------------------------------
+#include "wx/gtk/private/gtk2-compat.h"
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxGetRootWindow();
+
+//----------------------------------------------------------------------------
// misc.
-//------------------------------------------------------------------------
+//----------------------------------------------------------------------------
-void wxBell(void)
+void wxBell()
{
- gdk_beep();
-};
+ gdk_beep();
+}
-void wxSleep(int nSecs)
-{
- sleep(nSecs);
-};
+// ----------------------------------------------------------------------------
+// display characteristics
+// ----------------------------------------------------------------------------
-int wxKill(long pid, int sig)
+#ifdef GDK_WINDOWING_X11
+void *wxGetDisplay()
{
- return kill(pid, sig);
-};
+ return GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(wxGetRootWindow()));
+}
+#endif
void wxDisplaySize( int *width, int *height )
{
- if (width) *width = gdk_screen_width();
- if (height) *height = gdk_screen_height();
+ if (width) *width = gdk_screen_width();
+ if (height) *height = gdk_screen_height();
}
-void wxGetMousePosition( int* x, int* y )
+void wxDisplaySizeMM( int *width, int *height )
{
- wxFAIL_MSG( "GetMousePosition not yet implemented" );
- if (x) *x = 0;
- if (y) *y = 0;
-};
+ if (width) *width = gdk_screen_width_mm();
+ if (height) *height = gdk_screen_height_mm();
+}
+
+bool wxColourDisplay()
+{
+ return true;
+}
-bool wxColourDisplay(void)
+int wxDisplayDepth()
{
- wxFAIL_MSG( "wxColourDisplay always returns TRUE" );
- return TRUE;
+ return gdk_visual_get_depth(gtk_widget_get_visual(wxGetRootWindow()));
}
-int wxDisplayDepth(void)
+wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
{
- wxFAIL_MSG( "wxDisplayDepth always returns 8" );
- return 8;
+ return wxGenericFindWindowAtPoint(pt);
}
-//------------------------------------------------------------------------
-// user and home routines
-//------------------------------------------------------------------------
+#if !wxUSE_UNICODE
-const char* wxGetHomeDir( wxString *home )
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertToGTK(const wxString& s, wxFontEncoding enc)
{
- *home = wxGetUserHome( wxString() );
- if (home->IsNull()) *home = "/";
- return *home;
-};
+ 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.c_str());
+ }
-char *wxGetUserHome( const wxString &user )
+ 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.c_str());
+ }
+
+ return wxConvUTF8.cWC2MB(wbuf);
+}
+
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
{
- 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 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);
+}
-//------------------------------------------------------------------------
-// id routines
-//------------------------------------------------------------------------
+#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)
- 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;
+ // NOTE: you don't need to use this macro to check for Pango features
+ // added in pango-1.4 or earlier since GTK 2.4 (our minimum requirement
+ // for GTK lib) required pango 1.4...
+
+#ifdef __WXGTK3__
+ return pango_version_check(major, minor, micro);
+#elif defined(PANGO_VERSION_MAJOR)
+ if (!gtk_check_version (2,11,0))
+ {
+ // 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);
+ }
+
+ 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
+// ----------------------------------------------------------------------------
+
+#ifdef __UNIX__
+
+extern "C" {
+static gboolean EndProcessDetector(GIOChannel* source, GIOCondition, void* data)
{
- struct passwd *who;
+ wxEndProcessData * const
+ proc_data = static_cast<wxEndProcessData *>(data);
- *buf = '\0';
- if ((who = getpwuid(getuid ())) != NULL) {
- strncpy (buf, who->pw_name, sz-1);
- return TRUE;
- }
- return FALSE;
+ // child exited, end waiting
+ close(g_io_channel_unix_get_fd(source));
+
+ wxHandleProcessTermination(proc_data);
+
+ // don't call us again!
+ return false;
+}
}
-bool wxGetUserName(char *buf, int sz)
+int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd)
{
- struct passwd *who;
-
- *buf = '\0';
- if ((who = getpwuid (getuid ())) != NULL) {
- strncpy (buf, who->pw_gecos, sz - 1);
- return TRUE;
- }
- return FALSE;
+ GIOChannel* channel = g_io_channel_unix_new(fd);
+ GIOCondition cond = GIOCondition(G_IO_IN | G_IO_HUP | G_IO_ERR);
+ unsigned id = g_io_add_watch(channel, cond, EndProcessDetector, proc_data);
+ g_io_channel_unref(channel);
+ return int(id);
}
-//------------------------------------------------------------------------
-// error and debug output routines
-//------------------------------------------------------------------------
+#endif // __UNIX__
-void wxDebugMsg( const char *format, ... )
-{
- va_list ap;
- va_start( ap, format );
- vfprintf( stderr, format, ap );
- fflush( stderr );
- va_end(ap);
-};
+// ----------------------------------------------------------------------------
+// wxPlatformInfo-related
+// ----------------------------------------------------------------------------
-void wxError( const wxString &msg, const wxString &title )
+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;
+}
+
+#if wxUSE_TIMER
-void wxFatalError( const wxString &msg, const wxString &title )
+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(1);
-};
+ 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);
-};
+ wxX11Display 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 )
+ {
+ wxLogDebug("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
-//------------------------------------------------------------------------
-typedef struct {
- gint pid, tag;
- wxProcess *process;
-} wxEndProcessData;
+//-----------------------------------------------------------------------------
+// wxGUIAppTraits
+//-----------------------------------------------------------------------------
-static void GTK_EndProcessDetector(gpointer data, gint source,
- GdkInputCondition WXUNUSED(condition) )
+wxEventLoopBase *wxGUIAppTraits::CreateEventLoop()
{
- 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 */
-#if !defined(__sgi)
- wait4(proc_data->pid, NULL, 0, NULL);
-#else
- wait3((int *) NULL, 0, (rusage *) NULL);
-#endif
+ return new wxEventLoop();
+}
+
- close(source);
- gdk_input_remove(proc_data->tag);
+#ifdef __UNIX__
- if (proc_data->process)
- proc_data->process->OnTerminate(proc_data->pid);
+#if wxDEBUG_LEVEL && 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();
+
+ // append this stack frame's info in the dialog
+ if (!frame.GetFileName().empty() || !fncname.empty())
+ {
+ gtk_assert_dialog_append_stack_frame(m_dlg,
+ fncname.utf8_str(),
+ frame.GetFileName().utf8_str(),
+ frame.GetLine());
+ }
+ }
- if (proc_data->pid > 0)
- delete proc_data;
- else
- proc_data->pid = 0;
+private:
+ GtkAssertDialog *m_dlg;
};
-long wxExecute( char **argv, bool sync, wxProcess *process )
+static void get_stackframe_callback(void* p)
{
- wxEndProcessData *data = new wxEndProcessData;
- int end_proc_detect[2];
+ StackDump* dump = static_cast<StackDump*>(p);
+ // skip over frames up to including wxOnAssert()
+ dump->ProcessFrames(6);
+}
- if (*argv == NULL)
- return 0;
+#endif // wxDEBUG_LEVEL && wxUSE_STACKWALKER
- /* Create pipes */
- if (pipe(end_proc_detect) == -1) {
- perror("pipe failed");
- return 0;
+bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
+{
+#if wxDEBUG_LEVEL
+ // we can't show the dialog from another thread
+ if ( wxIsMainThread() )
+ {
+ // under GTK2 we prefer to use a dialog widget written using directly
+ // in GTK+ as use a dialog written using wxWidgets would need the
+ // wxWidgets idle processing to work correctly which might not be the
+ // case when assert happens
+ GtkWidget *dialog = gtk_assert_dialog_new();
+ gtk_assert_dialog_set_message(GTK_ASSERT_DIALOG(dialog), msg.mb_str());
+
+#if wxUSE_STACKWALKER
+ // save the current stack ow...
+ StackDump dump(GTK_ASSERT_DIALOG(dialog));
+ dump.SaveStack(100); // showing more than 100 frames is not very useful
+
+ // ...but process it only if the user needs it
+ gtk_assert_dialog_set_backtrace_callback
+ (
+ GTK_ASSERT_DIALOG(dialog),
+ 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( wxT("unexpected return code from GtkAssertDialog") );
+ }
+
+ gtk_widget_destroy(dialog);
+ return returnCode;
}
+#endif // wxDEBUG_LEVEL
- /* 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);
- }
+ return wxAppTraitsBase::ShowAssertDialog(msg);
+}
- 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);
+#endif // __UNIX__
- while (data->pid != 0)
- wxYield();
+#if defined(__UNIX__) || defined(__OS2__)
- delete data;
+wxString wxGUIAppTraits::GetDesktopEnvironment() const
+{
+ wxString de = wxSystemOptions::GetOption(wxT("gtk.desktop"));
+#if wxUSE_DETECT_SM
+ if ( de.empty() )
+ {
+ static const wxString s_SM = GetSM();
+
+ if (s_SM == wxT("GnomeSM"))
+ de = wxT("GNOME");
+ else if (s_SM == wxT("KDE"))
+ de = wxT("KDE");
}
+#endif // wxUSE_DETECT_SM
- return pid;
-};
+ return de;
+}
+
+#endif // __UNIX__ || __OS2__
-long wxExecute( const wxString& command, bool sync, wxProcess *process )
+#ifdef __UNIX__
+
+// 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;
+// see http://bugzilla.gnome.org/show_bug.cgi?id=431021 for the relative
+// feature request
+struct _GOptionGroup
{
- 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);
+ 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;
};
+static
+wxString wxGetNameFromGtkOptionEntry(const GOptionEntry *opt)
+{
+ wxString ret;
+
+ if (opt->short_name)
+ ret << wxT("-") << opt->short_name;
+ if (opt->long_name)
+ {
+ if (!ret.empty())
+ ret << wxT(", ");
+ ret << wxT("--") << opt->long_name;
+
+ if (opt->arg_description)
+ ret << wxT("=") << opt->arg_description;
+ }
+
+ return wxT(" ") + ret;
+}
+
+wxString
+wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
+ wxArrayString& desc) const
+{
+ wxString usage;
+
+ // check whether GLib version is greater than 2.6 but also lower than 2.33
+ // because, as we use the undocumented _GOptionGroup struct, we don't want
+ // to run this code with future versions which might change it (2.32 is the
+ // latest one at the time of this writing)
+ if (glib_check_version(2,33,0))
+ {
+ usage << _("The following standard GTK+ options are also supported:\n");
+
+ // 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);
+
+ // WARNING: here we access the internals of GOptionGroup:
+ GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
+ unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
+ wxArrayString namesOptions, descOptions;
+
+ 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]));
+
+ const gchar * const entryDesc = entries[n].description;
+ desc.push_back(wxString(entryDesc));
+ }
+
+ g_option_group_free (gtkOpts);
+ }
+
+ return usage;
+}
+#endif // __UNIX__
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