X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/56465170cc4b3ba3a12d70ab51f0256cc1d02525..74b1f0b45e0f0bc7e25c5f32bb495e3e4bcd3392:/src/gtk/utilsgtk.cpp?ds=sidebyside

diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index a87e1c321e..bfcbbc8ab2 100644
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -26,12 +26,12 @@
 #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
-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL
 
 #include <stdarg.h>
 #include <string.h>
@@ -45,18 +45,6 @@
 #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"
@@ -80,22 +68,6 @@ void wxBell()
 }
 #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
 // ----------------------------------------------------------------------------
@@ -119,7 +91,7 @@ void wxDisplaySizeMM( int *width, int *height )
 
 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()
@@ -186,6 +158,10 @@ wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
 // 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))
     {
@@ -213,50 +189,22 @@ const gchar *wx_pango_version_check (int major, int minor, int micro)
 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);
-
-    if ( rc == 0 )
-    {
-        // This can only happen if the child application closes our dummy
-        // pipe that is used to monitor its lifetime; in that case, our
-        // best bet is to pretend the process did terminate, because
-        // otherwise wxExecute() would hang indefinitely
-        // (OnExceptionWaiting() won't be called again, the descriptor
-        // is closed now).
-        wxLogDebug("Child process (PID %i) still alive, even though notification was received that it terminated.", pid);
-    }
-    else if ( rc == -1 )
-    {
-        // As above, if waitpid() fails, the best we can do is to log the
-        // error and pretend the child terminated:
-        wxLogSysError(_("Failed to check child process' status"));
-    }
+    wxEndProcessData * const
+        proc_data = static_cast<wxEndProcessData *>(data);
 
-   // set exit code to -1 if something bad happened
-   proc_data->exitcode = (rc > 0 && WIFEXITED(status))
-                         ? WEXITSTATUS(status)
-                         : -1;
+    // child exited, end waiting
+    close(source);
 
-   // child exited, end waiting
-   close(source);
+    // don't call us again!
+    gdk_input_remove(proc_data->tag);
 
-   // 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,
@@ -318,7 +266,7 @@ static wxString GetSM()
 
     if ( !smc_conn )
     {
-        wxLogWarning(_("Failed to connect to session manager: %s"), smerr);
+        wxLogDebug("Failed to connect to session manager: %s", smerr);
         return wxEmptyString;
     }
 
@@ -352,9 +300,7 @@ void wxGUIAppTraits::SetLocale()
 }
 #endif
 
-#ifdef __WXDEBUG__
-
-#if wxUSE_STACKWALKER
+#if wxDEBUG_LEVEL && wxUSE_STACKWALKER
 
 // private helper class
 class StackDump : public wxStackWalker
@@ -403,13 +349,15 @@ extern "C"
     }
 }
 
-#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!
+#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());
 
@@ -445,18 +393,21 @@ bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
         break;
 
     default:
-        wxFAIL_MSG( _T("unexpected return code from GtkAssertDialog") );
+        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
 }
 
-#endif  // __WXDEBUG__
-
 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() )
     {
@@ -476,7 +427,9 @@ wxString wxGUIAppTraits::GetDesktopEnvironment() const
 
 // see the hack below in wxCmdLineParser::GetUsageString().
 // TODO: replace this hack with a g_option_group_get_entries()
-//       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;
@@ -503,18 +456,18 @@ wxString wxGetNameFromGtkOptionEntry(const GOptionEntry *opt)
     wxString ret;
 
     if (opt->short_name)
-        ret << _T("-") << opt->short_name;
+        ret << wxT("-") << opt->short_name;
     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)
-            ret << _T("=") << opt->arg_description;
+            ret << wxT("=") << opt->arg_description;
     }
 
-    return _T("  ") + ret;
+    return wxT("  ") + ret;
 }
 
 #endif // __WXGTK26__
@@ -526,36 +479,40 @@ wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
     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);