#include "wx/apptrait.h"
#include "wx/process.h"
+#include "wx/sysopt.h"
#include "wx/unix/execute.h"
+#include "wx/gtk/private/timer.h"
+#include "wx/evtloop.h"
+
+#ifdef __WXDEBUG__
+ #include "wx/gtk/assertdlg_gtk.h"
+ #if wxUSE_STACKWALKER
+ #include "wx/stackwalk.h"
+ #endif // wxUSE_STACKWALKER
+#endif // __WXDEBUG__
+
#include <stdarg.h>
#include <string.h>
#include <sys/stat.h>
#if !wxUSE_UNICODE
-wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc)
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertToGTK(const wxString& s, wxFontEncoding enc)
{
- wxCharBuffer buf;
- if ( enc == wxFONTENCODING_UTF8 )
+ wxWCharBuffer wbuf;
+ if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT )
{
- // 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 )
- {
- // 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);
- }
+ wbuf = wxConvUI->cMB2WC(s.c_str());
}
- else // !UTF-8
+ else // another encoding, use generic conversion class
{
- 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);
- }
+ wbuf = wxCSConv(enc).cMB2WC(s.c_str());
+ }
- if ( wbuf )
- buf = wxConvUTF8.cWC2MB(wbuf);
+ 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 buf;
+ return wxConvUTF8.cWC2MB(wbuf);
+}
+
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
+{
+ // 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);
}
#endif // !wxUSE_UNICODE
+// Returns false if version is certainly greater or equal than major.minor.micro
+// Returns true 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)
+{
+#ifdef 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
+}
+
+
// ----------------------------------------------------------------------------
// subprocess routines
// ----------------------------------------------------------------------------
return wxPORT_GTK;
}
+#if wxUSE_TIMER
+
+wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
+{
+ return new wxGTKTimerImpl(timer);
+}
+
+#endif // wxUSE_TIMER
+
#if wxUSE_DETECT_SM
static wxString GetSM()
{
- Display *dpy;
- SmcConn smc_conn;
- char *vendor;
- char *client_id_ret;
- dpy = XOpenDisplay(NULL);
-
- smc_conn = SmcOpenConnection(NULL, NULL,
- 999, 999,
- 0 /* mask */, NULL /* callbacks */,
- NULL, &client_id_ret, 0, NULL);
-
- if (smc_conn)
+ class Dpy
{
- vendor = SmcVendor(smc_conn);
- wxString ret = wxString::FromAscii( vendor );
- free(vendor);
+ 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 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 )
+ {
+ wxLogWarning(_("Failed to connect to session manager: %s"), smerr);
+ return wxEmptyString;
+ }
- SmcCloseConnection(smc_conn, 0, NULL);
- free(client_id_ret);
+ char *vendor = SmcVendor(smc_conn);
+ wxString ret = wxString::FromAscii( vendor );
+ free(vendor);
- XCloseDisplay(dpy);
-
- return ret;
- }
-
- return wxEmptyString;
+ SmcCloseConnection(smc_conn, 0, NULL);
+ free(client_id);
+
+ return ret;
+}
+#endif // wxUSE_DETECT_SM
+
+
+//-----------------------------------------------------------------------------
+// wxGUIAppTraits
+//-----------------------------------------------------------------------------
+
+wxEventLoopBase *wxGUIAppTraits::CreateEventLoop()
+{
+ return new wxEventLoop();
+}
+
+
+#if wxUSE_INTL
+void wxGUIAppTraits::SetLocale()
+{
+ gtk_set_locale();
+ wxUpdateLocaleIsUtf8();
}
#endif
+#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());
+ }
+
+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);
+ }
+}
+
+#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)
+ {
+ 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;
+}
+
+#endif // __WXDEBUG__
+
wxString wxGUIAppTraits::GetDesktopEnvironment() const
{
+ wxString de = wxSystemOptions::GetOption(_T("gtk.desktop"));
#if wxUSE_DETECT_SM
- wxString SM = GetSM();
-
- if (SM == wxT("GnomeSM"))
- return wxT("GNOME");
-
- if (SM == wxT("KDE"))
- return wxT("KDE");
-#endif
+ if ( de.empty() )
+ {
+ static const wxString s_SM = GetSM();
- return wxEmptyString;
+ if (s_SM == wxT("GnomeSM"))
+ de = wxT("GNOME");
+ else if (s_SM == wxT("KDE"))
+ de = wxT("KDE");
+ }
+#endif // wxUSE_DETECT_SM
+
+ return de;
}
+#ifdef __WXGTK26__
+
+// 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
+struct _GOptionGroup
+{
+ 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;
+};
+
+wxString wxGetNameFromGtkOptionEntry(const GOptionEntry *opt)
+{
+ wxString ret;
+
+ if (opt->short_name)
+ ret << _T("-") << opt->short_name;
+ if (opt->long_name)
+ {
+ if (!ret.empty())
+ ret << _T(", ");
+ ret << _T("--") << opt->long_name;
+
+ if (opt->arg_description)
+ ret << _T("=") << opt->arg_description;
+ }
+
+ return _T(" ") + ret;
+}
+
+#endif // __WXGTK26__
+
+wxString
+wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
+ wxArrayString& desc) const
+{
+ wxString usage;
+
+#ifdef __WXGTK26__
+ // check whether GTK version is greater than 2.6 but also lower than 2.12
+ // because, as we use the undocumented _GOptionGroup struct, we don't want
+ // to run this code with future versions which might change it (2.11 is the
+ // latest one at the time of this writing)
+ if (!gtk_check_version(2,6,0) &&
+ gtk_check_version(2,12,0))
+ {
+ 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(entryDesc ? wxString(entryDesc) : _T(""));
+ }
+
+ g_option_group_free (gtkOpts);
+ }
+#else
+ wxUnusedVar(names);
+ wxUnusedVar(desc);
+#endif // __WXGTK26__
+
+ return usage;
+}
projects / wxWidgets.git / blobdiff