Performance optimization

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

diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index e311c5fee2d1adf8146326fb92982b620e01c87c..e7b6208cec83e197b923869302bf5f93a8f689a4 100644 (file)
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -19,10 +19,8 @@
 #endif
 
 #include "wx/apptrait.h"
-
 #include "wx/process.h"
 #include "wx/sysopt.h"
-
 #include "wx/unix/execute.h"
 
 #include "wx/gtk/private/timer.h"
@@ -98,41 +96,6 @@ bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
 }
 #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
 // ----------------------------------------------------------------------------
@@ -154,17 +117,6 @@ void wxDisplaySizeMM( 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 );
@@ -187,7 +139,8 @@ wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 
 #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 )
@@ -213,7 +166,8 @@ wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc)
     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
@@ -226,10 +180,10 @@ wxCharBuffer wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
 
 #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)
 {
 #ifdef PANGO_VERSION_MAJOR
@@ -243,6 +197,10 @@ const gchar *wx_pango_version_check (int major, int minor, int micro)
 
     return "can't check";
 #else // !PANGO_VERSION_MAJOR
+    wxUnusedVar(major);
+    wxUnusedVar(minor);
+    wxUnusedVar(micro);
+
     return "too old headers";
 #endif
 }
@@ -266,15 +224,27 @@ void GTK_EndProcessDetector(gpointer data, gint source,
    int status = 0;
    int rc = waitpid(pid, &status, WNOHANG);
 
-   if ( rc == 0 )
-   {
-       // no, it didn't exit yet, continue waiting
-       return;
-   }
+    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"));
+    }
 
    // set exit code to -1 if something bad happened
-   proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status)
-                                                      : -1;
+   proc_data->exitcode = (rc > 0 && WIFEXITED(status))
+                         ? WEXITSTATUS(status)
+                         : -1;
 
    // child exited, end waiting
    close(source);
@@ -582,7 +552,7 @@ wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
             names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
 
             const gchar * const entryDesc = entries[n].description;
-            desc.push_back(entryDesc ? wxString(entryDesc) : _T(""));
+            desc.push_back(wxString(entryDesc));
         }
 
         g_option_group_free (gtkOpts);