// Name: src/gtk/utilsgtk.cpp
// Purpose:
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#endif
#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 <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/gtk/assertdlg_gtk.h"
#include "wx/stackwalk.h"
#endif // wxUSE_STACKWALKER
-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL
#include <stdarg.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <sys/wait.h> // for WNOHANG
+#ifdef __UNIX__
#include <unistd.h>
-
-#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"
-
- #undef explicit
-#endif // HAVE_X11_XKBLIB_H
-
+#endif
#if wxUSE_DETECT_SM
- #include "X11/Xlib.h"
- #include "X11/SM/SMlib.h"
+ #include <X11/SM/SMlib.h>
+
+ #include "wx/unix/utilsx11.h"
#endif
+#include "wx/gtk/private/gtk2-compat.h"
+
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// misc.
//----------------------------------------------------------------------------
-#ifndef __EMX__
-// on OS/2, we use the wxBell from wxBase library
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
-
-// Escapes string so that it is valid Pango markup XML string:
-wxString wxEscapeStringForPangoMarkup(const wxString& str)
-{
- 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;
-}
-
// ----------------------------------------------------------------------------
-// display characterstics
+// display characteristics
// ----------------------------------------------------------------------------
+#ifdef GDK_WINDOWING_X11
void *wxGetDisplay()
{
- return GDK_DISPLAY();
+ return GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(wxGetRootWindow()));
}
+#endif
void wxDisplaySize( int *width, int *height )
{
if (height) *height = gdk_screen_height_mm();
}
-void wxClientDisplayRect(int *x, int *y, int *width, int *height)
-{
- // 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 wxGetMousePosition( int* x, int* y )
-{
- gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
-}
-
bool wxColourDisplay()
{
return true;
int wxDisplayDepth()
{
- return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth;
+ return gdk_visual_get_depth(gtk_widget_get_visual(wxGetRootWindow()));
}
wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
#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);
}
- 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);
}
-#endif // !wxUSE_UNICODE
-
-// ----------------------------------------------------------------------------
-// subprocess routines
-// ----------------------------------------------------------------------------
-
-extern "C" {
-static
-void GTK_EndProcessDetector(gpointer data, gint source,
- GdkInputCondition WXUNUSED(condition) )
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
{
- wxEndProcessData *proc_data = (wxEndProcessData *)data;
-
- // 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);
-
- if ( rc == 0 )
- {
- // no, it didn't exit yet, continue waiting
- return;
- }
-
- // 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);
+ // 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);
- wxHandleProcessTermination(proc_data);
-}
+ return wxCSConv(enc).cWC2MB(wbuf);
}
-int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
-{
- int tag = gdk_input_add(fd,
- GDK_INPUT_READ,
- GTK_EndProcessDetector,
- (gpointer)proc_data);
+#endif // !wxUSE_UNICODE
- return tag;
-}
+// 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)
+{
+ // 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
+}
// ----------------------------------------------------------------------------
// wxPlatformInfo-related
return wxPORT_GTK;
}
-#if wxUSE_DETECT_SM
-static wxString GetSM()
+#if wxUSE_TIMER
+
+wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
{
- class Dpy
- {
- public:
- Dpy() { m_dpy = XOpenDisplay(NULL); }
- ~Dpy() { if ( m_dpy ) XCloseDisplay(m_dpy); }
+ return new wxGTKTimerImpl(timer);
+}
- operator Display *() const { return m_dpy; }
- private:
- Display *m_dpy;
- } dpy;
+#endif // wxUSE_TIMER
+#if wxUSE_DETECT_SM
+static wxString GetSM()
+{
+ 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,
- 0, NULL);
+ 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 );
// wxGUIAppTraits
//-----------------------------------------------------------------------------
-#ifdef __WXDEBUG__
+wxEventLoopBase *wxGUIAppTraits::CreateEventLoop()
+{
+ return new wxEventLoop();
+}
-#if wxUSE_STACKWALKER
+
+#ifdef __UNIX__
+
+#if wxDEBUG_LEVEL && wxUSE_STACKWALKER
// private helper class
class StackDump : public wxStackWalker
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(),
+ fncname.utf8_str(),
+ frame.GetFileName().utf8_str(),
frame.GetLine());
+ }
}
private:
GtkAssertDialog *m_dlg;
};
-// the callback functions must be extern "C" to comply with GTK+ declarations
-extern "C"
+static void get_stackframe_callback(void* p)
{
- void get_stackframe_callback(StackDump *dump)
- {
- dump->ProcessFrames(2); // don't show ShowAssertDialog() call itself
- }
+ StackDump* dump = static_cast<StackDump*>(p);
+ // skip over frames up to including wxOnAssert()
+ dump->ProcessFrames(6);
}
-#endif // wxUSE_STACKWALKER
+#endif // wxDEBUG_LEVEL && 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 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
- // 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") );
+ // 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
- gtk_widget_destroy(dialog);
- return returnCode;
+ return wxAppTraitsBase::ShowAssertDialog(msg);
}
-#endif // __WXDEBUG__
+#endif // __UNIX__
+
+#if defined(__UNIX__) || defined(__OS2__)
wxString wxGUIAppTraits::GetDesktopEnvironment() const
{
+ wxString de = wxSystemOptions::GetOption(wxT("gtk.desktop"));
#if wxUSE_DETECT_SM
- const wxString SM = GetSM();
-
- if (SM == wxT("GnomeSM"))
- return wxT("GNOME");
+ if ( de.empty() )
+ {
+ static const wxString s_SM = GetSM();
- if (SM == wxT("KDE"))
- return wxT("KDE");
+ if (s_SM == wxT("GnomeSM"))
+ de = wxT("GNOME");
+ else if (s_SM == wxT("KDE"))
+ de = wxT("KDE");
+ }
#endif // wxUSE_DETECT_SM
- return wxEmptyString;
+ return de;
+}
+
+#endif // __UNIX__ || __OS2__
+
+#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
+{
+ 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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