rewrite to avoid unnecessary redraws

[wxWidgets.git] / src / motif / dialog.cpp

diff --git a/src/motif/dialog.cpp b/src/motif/dialog.cpp
index a9a097e096deec8e72bb38942e44a7ab78b6c341..7e8aaf56379e4edd8690e7a35aa3602a5b1e7b54 100644 (file)
--- a/src/motif/dialog.cpp
+++ b/src/motif/dialog.cpp
@@ -13,6 +13,13 @@
 #pragma implementation "dialog.h"
 #endif
 
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
+#define XtWindow XTWINDOW
+#define XtParent XTPARENT
+#define XtScreen XTSCREEN
+#endif
+
 #include "wx/dialog.h"
 #include "wx/utils.h"
 #include "wx/frame.h"
@@ -499,6 +506,20 @@ int wxDialog::ShowModal()
 
         XtAppNextEvent((XtAppContext) wxTheApp->GetAppContext(), &event);
         wxTheApp->ProcessXEvent((WXEvent*) &event);
+
+        if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0)
+        {
+            if (!wxTheApp->ProcessIdle())
+            {
+#if wxUSE_THREADS
+                // leave the main loop to give other threads a chance to
+                // perform their GUI work
+                wxMutexGuiLeave();
+                wxUsleep(20);
+                wxMutexGuiEnter();
+#endif
+            }
+        }
     }
 
     // Remove modal dialog flag from stack