Ensure that validators work even in presence of pushed event handlers.

[wxWidgets.git] / src / gtk / utilsgtk.cpp

diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index e311c5fee2d1adf8146326fb92982b620e01c87c..e337be979235751aa3babba287ad8da657318ec6 100644 (file)
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -19,21 +19,19 @@
 #endif
 
 #include "wx/apptrait.h"
 #endif
 
 #include "wx/apptrait.h"

-

 #include "wx/process.h"
 #include "wx/sysopt.h"
 #include "wx/process.h"
 #include "wx/sysopt.h"

-

 #include "wx/unix/execute.h"
 
 #include "wx/gtk/private/timer.h"
 #include "wx/evtloop.h"
 
 #include "wx/unix/execute.h"
 
 #include "wx/gtk/private/timer.h"
 #include "wx/evtloop.h"
 

-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL

     #include "wx/gtk/assertdlg_gtk.h"
     #if wxUSE_STACKWALKER
         #include "wx/stackwalk.h"
     #endif // wxUSE_STACKWALKER
     #include "wx/gtk/assertdlg_gtk.h"
     #if wxUSE_STACKWALKER
         #include "wx/stackwalk.h"
     #endif // wxUSE_STACKWALKER

-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL

 
 #include <stdarg.h>
 #include <string.h>
 
 #include <stdarg.h>
 #include <string.h>


@@ -47,18 +45,6 @@
 #include "gtk/gtk.h"
 #include "gdk/gdkx.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"
 #if wxUSE_DETECT_SM
     #include "X11/Xlib.h"
     #include "X11/SM/SMlib.h"


@@ -82,57 +68,6 @@ void wxBell()
 }
 #endif
 
 }
 #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("&amp;");
-                break;
-            case _T('<'):
-                out << _T("&lt;");
-                break;
-            case _T('>'):
-                out << _T("&gt;");
-                break;
-            case _T('\''):
-                out << _T("&apos;");
-                break;
-            case _T('"'):
-                out << _T("&quot;");
-                break;
-            default:
-                out << c;
-                break;
-        }
-    }
-    return out;
-}
-
-

 // ----------------------------------------------------------------------------
 // display characterstics
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // display characterstics
 // ----------------------------------------------------------------------------


@@ -154,20 +89,9 @@ void wxDisplaySizeMM( int *width, int *height )
     if (height) *height = gdk_screen_height_mm();
 }
 
     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 )
 {
 void wxGetMousePosition( int* x, int* y )
 {

-    gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
+    gdk_window_get_pointer( NULL, x, y, NULL );

 }
 
 bool wxColourDisplay()
 }
 
 bool wxColourDisplay()


@@ -187,7 +111,8 @@ wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 
 #if !wxUSE_UNICODE
 
 
 #if !wxUSE_UNICODE
 

-wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc)
+WXDLLIMPEXP_CORE wxCharBuffer
+wxConvertToGTK(const wxString& s, wxFontEncoding enc)

 {
     wxWCharBuffer wbuf;
     if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT )
 {
     wxWCharBuffer wbuf;
     if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT )


@@ -213,7 +138,8 @@ wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc)
     return wxConvUTF8.cWC2MB(wbuf);
 }
 
     return wxConvUTF8.cWC2MB(wbuf);
 }
 

-wxCharBuffer wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
+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
 {
     // this conversion should never fail as GTK+ always uses UTF-8 internally
     // so there are no complications here


@@ -226,12 +152,16 @@ wxCharBuffer wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
 
 #endif // !wxUSE_UNICODE
 
 
 #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
+// 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)
 {
 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))
     {
 #ifdef PANGO_VERSION_MAJOR
     if (!gtk_check_version (2,11,0))
     {


@@ -243,6 +173,10 @@ const gchar *wx_pango_version_check (int major, int minor, int micro)
 
     return "can't check";
 #else // !PANGO_VERSION_MAJOR
 
     return "can't check";
 #else // !PANGO_VERSION_MAJOR

+    wxUnusedVar(major);
+    wxUnusedVar(minor);
+    wxUnusedVar(micro);
+

     return "too old headers";
 #endif
 }
     return "too old headers";
 #endif
 }


@@ -255,38 +189,22 @@ const gchar *wx_pango_version_check (int major, int minor, int micro)
 extern "C" {
 static
 void GTK_EndProcessDetector(gpointer data, gint source,
 extern "C" {
 static
 void GTK_EndProcessDetector(gpointer data, gint source,

-                            GdkInputCondition WXUNUSED(condition) )
+                            GdkInputCondition WXUNUSED(condition))

 {
 {

-   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);
+    wxEndProcessData * const
+        proc_data = static_cast<wxEndProcessData *>(data);

 
 

-   if ( rc == 0 )
-   {
-       // no, it didn't exit yet, continue waiting
-       return;
-   }
+    // child exited, end waiting
+    close(source);

 
 

-   // set exit code to -1 if something bad happened
-   proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status)
-                                                      : -1;
+    // don't call us again!
+    gdk_input_remove(proc_data->tag);

 
 

-   // child exited, end waiting
-   close(source);
-
-   // don't call us again!
-   gdk_input_remove(proc_data->tag);
-
-   wxHandleProcessTermination(proc_data);
+    wxHandleProcessTermination(proc_data);

 }
 }
 
 }
 }
 

-int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
+int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd)

 {
     int tag = gdk_input_add(fd,
                             GDK_INPUT_READ,
 {
     int tag = gdk_input_add(fd,
                             GDK_INPUT_READ,


@@ -348,7 +266,7 @@ static wxString GetSM()
 
     if ( !smc_conn )
     {
 
     if ( !smc_conn )
     {

-        wxLogWarning(_("Failed to connect to session manager: %s"), smerr);
+        wxLogDebug("Failed to connect to session manager: %s", smerr);

         return wxEmptyString;
     }
 
         return wxEmptyString;
     }
 


@@ -382,9 +300,7 @@ void wxGUIAppTraits::SetLocale()
 }
 #endif
 
 }
 #endif
 

-#ifdef __WXDEBUG__
-
-#if wxUSE_STACKWALKER
+#if wxDEBUG_LEVEL && wxUSE_STACKWALKER

 
 // private helper class
 class StackDump : public wxStackWalker
 
 // private helper class
 class StackDump : public wxStackWalker


@@ -433,60 +349,65 @@ extern "C"
     }
 }
 
     }
 }
 

-#endif      // wxUSE_STACKWALKER
+#endif // wxDEBUG_LEVEL && wxUSE_STACKWALKER

 
 bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
 {
 
 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
 
 #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),
+            (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;

     }
     }

+#endif // wxDEBUG_LEVEL

 
 

-    gtk_widget_destroy(dialog);
-    return returnCode;
+    return wxAppTraitsBase::ShowAssertDialog(msg);

 }
 
 }
 

-#endif  // __WXDEBUG__
-

 wxString wxGUIAppTraits::GetDesktopEnvironment() const
 {
 wxString wxGUIAppTraits::GetDesktopEnvironment() const
 {

-    wxString de = wxSystemOptions::GetOption(_T("gtk.desktop"));
+    wxString de = wxSystemOptions::GetOption(wxT("gtk.desktop"));

 #if wxUSE_DETECT_SM
     if ( de.empty() )
     {
 #if wxUSE_DETECT_SM
     if ( de.empty() )
     {


@@ -506,7 +427,9 @@ wxString wxGUIAppTraits::GetDesktopEnvironment() const
 
 // see the hack below in wxCmdLineParser::GetUsageString().
 // TODO: replace this hack with a g_option_group_get_entries()
 
 // 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
+//       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;
 struct _GOptionGroup
 {
   gchar           *name;


@@ -533,18 +456,18 @@ wxString wxGetNameFromGtkOptionEntry(const GOptionEntry *opt)
     wxString ret;
 
     if (opt->short_name)
     wxString ret;
 
     if (opt->short_name)

-        ret << _T("-") << opt->short_name;
+        ret << wxT("-") << opt->short_name;

     if (opt->long_name)
     {
         if (!ret.empty())
     if (opt->long_name)
     {
         if (!ret.empty())

-            ret << _T(", ");
-        ret << _T("--") << opt->long_name;
+            ret << wxT(", ");
+        ret << wxT("--") << opt->long_name;

 
         if (opt->arg_description)
 
         if (opt->arg_description)

-            ret << _T("=") << opt->arg_description;
+            ret << wxT("=") << opt->arg_description;

     }
 
     }
 

-    return _T("  ") + ret;
+    return wxT("  ") + ret;

 }
 
 #endif // __WXGTK26__
 }
 
 #endif // __WXGTK26__


@@ -556,36 +479,40 @@ wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
     wxString usage;
 
 #ifdef __WXGTK26__
     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))
+    if (!gtk_check_version(2,6,0))

     {
     {

-        usage << _("The following standard GTK+ options are also supported:\n");
+        // since GTK>=2.6, we can use the glib_check_version() symbol...

 
 

-        // 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);
+        // 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");

 
 

-        // WARNING: here we access the internals of GOptionGroup:
-        GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
-        unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
-        wxArrayString namesOptions, descOptions;
+            // 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);

 
 

-        for ( size_t n = 0; n < n_entries; n++ )
-        {
-            if ( entries[n].flags & G_OPTION_FLAG_HIDDEN )
-                continue;       // skip
+            // WARNING: here we access the internals of GOptionGroup:
+            GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
+            unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
+            wxArrayString namesOptions, descOptions;

 
 

-            names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
+            for ( size_t n = 0; n < n_entries; n++ )
+            {
+                if ( entries[n].flags & G_OPTION_FLAG_HIDDEN )
+                    continue;       // skip

 
 

-            const gchar * const entryDesc = entries[n].description;
-            desc.push_back(entryDesc ? wxString(entryDesc) : _T(""));
-        }
+                names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
+
+                const gchar * const entryDesc = entries[n].description;
+                desc.push_back(wxString(entryDesc));
+            }

 
 

-        g_option_group_free (gtkOpts);
+            g_option_group_free (gtkOpts);
+        }

     }
 #else
     wxUnusedVar(names);
     }
 #else
     wxUnusedVar(names);