03647350fc
This commit is huge but there are no non-white-space changes in it. Some files containing third-party sources (src/msw/wince/time.cpp, src/x11/pango*.cpp) were left unchanged. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61724 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
553 lines
15 KiB
C++
553 lines
15 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: src/gtk/utilsgtk.cpp
|
|
// Purpose:
|
|
// Author: Robert Roebling
|
|
// Id: $Id$
|
|
// Copyright: (c) 1998 Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#include "wx/utils.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"
|
|
#include "wx/unix/execute.h"
|
|
|
|
#include "wx/gtk/private/timer.h"
|
|
#include "wx/evtloop.h"
|
|
|
|
#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 <string.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h> // for WNOHANG
|
|
#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
|
|
|
|
|
|
#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()
|
|
{
|
|
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
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// display characterstics
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void *wxGetDisplay()
|
|
{
|
|
return GDK_DISPLAY();
|
|
}
|
|
|
|
void wxDisplaySize( int *width, int *height )
|
|
{
|
|
if (width) *width = gdk_screen_width();
|
|
if (height) *height = gdk_screen_height();
|
|
}
|
|
|
|
void wxDisplaySizeMM( int *width, int *height )
|
|
{
|
|
if (width) *width = gdk_screen_width_mm();
|
|
if (height) *height = gdk_screen_height_mm();
|
|
}
|
|
|
|
void wxGetMousePosition( int* x, int* y )
|
|
{
|
|
gdk_window_get_pointer( NULL, x, y, NULL );
|
|
}
|
|
|
|
bool wxColourDisplay()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
int wxDisplayDepth()
|
|
{
|
|
return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth;
|
|
}
|
|
|
|
wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
|
|
{
|
|
return wxGenericFindWindowAtPoint(pt);
|
|
}
|
|
|
|
#if !wxUSE_UNICODE
|
|
|
|
WXDLLIMPEXP_CORE wxCharBuffer
|
|
wxConvertToGTK(const wxString& s, wxFontEncoding enc)
|
|
{
|
|
wxWCharBuffer wbuf;
|
|
if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT )
|
|
{
|
|
wbuf = wxConvUI->cMB2WC(s.c_str());
|
|
}
|
|
else // another encoding, use generic conversion class
|
|
{
|
|
wbuf = wxCSConv(enc).cMB2WC(s.c_str());
|
|
}
|
|
|
|
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)
|
|
{
|
|
// 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 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 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
|
|
// ----------------------------------------------------------------------------
|
|
|
|
extern "C" {
|
|
static
|
|
void GTK_EndProcessDetector(gpointer data, gint source,
|
|
GdkInputCondition WXUNUSED(condition))
|
|
{
|
|
wxEndProcessData * const
|
|
proc_data = static_cast<wxEndProcessData *>(data);
|
|
|
|
// child exited, end waiting
|
|
close(source);
|
|
|
|
// don't call us again!
|
|
gdk_input_remove(proc_data->tag);
|
|
|
|
wxHandleProcessTermination(proc_data);
|
|
}
|
|
}
|
|
|
|
int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd)
|
|
{
|
|
int tag = gdk_input_add(fd,
|
|
GDK_INPUT_READ,
|
|
GTK_EndProcessDetector,
|
|
(gpointer)proc_data);
|
|
|
|
return tag;
|
|
}
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxPlatformInfo-related
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
|
|
{
|
|
if ( verMaj )
|
|
*verMaj = gtk_major_version;
|
|
if ( verMin )
|
|
*verMin = gtk_minor_version;
|
|
|
|
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()
|
|
{
|
|
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 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
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxGUIAppTraits
|
|
//-----------------------------------------------------------------------------
|
|
|
|
wxEventLoopBase *wxGUIAppTraits::CreateEventLoop()
|
|
{
|
|
return new wxEventLoop();
|
|
}
|
|
|
|
|
|
#if wxUSE_INTL
|
|
void wxGUIAppTraits::SetLocale()
|
|
{
|
|
gtk_set_locale();
|
|
wxUpdateLocaleIsUtf8();
|
|
}
|
|
#endif
|
|
|
|
#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();
|
|
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 // wxDEBUG_LEVEL && wxUSE_STACKWALKER
|
|
|
|
bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
|
|
{
|
|
#if wxDEBUG_LEVEL
|
|
// 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( wxT("unexpected return code from GtkAssertDialog") );
|
|
}
|
|
|
|
gtk_widget_destroy(dialog);
|
|
return returnCode;
|
|
#else // !wxDEBUG_LEVEL
|
|
// this function is never called in this case
|
|
wxUnusedVar(msg);
|
|
return false;
|
|
#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
|
|
}
|
|
|
|
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 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;
|
|
// 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;
|
|
};
|
|
|
|
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;
|
|
}
|
|
|
|
#endif // __WXGTK26__
|
|
|
|
wxString
|
|
wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
|
|
wxArrayString& desc) const
|
|
{
|
|
wxString usage;
|
|
|
|
#ifdef __WXGTK26__
|
|
if (!gtk_check_version(2,6,0))
|
|
{
|
|
// since GTK>=2.6, we can use the glib_check_version() symbol...
|
|
|
|
// check whether GLib version is greater than 2.6 but also lower than 2.19
|
|
// because, as we use the undocumented _GOptionGroup struct, we don't want
|
|
// to run this code with future versions which might change it (2.19 is the
|
|
// latest one at the time of this writing)
|
|
if (!glib_check_version(2,6,0) && glib_check_version(2,20,0))
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
#else
|
|
wxUnusedVar(names);
|
|
wxUnusedVar(desc);
|
|
#endif // __WXGTK26__
|
|
|
|
return usage;
|
|
}
|
|
|