Prevent possible divide by zero problem

[wxWidgets.git] / src / xrc / xh_gauge.cpp

diff --git a/src/xrc/xh_gauge.cpp b/src/xrc/xh_gauge.cpp
index 4c692b9cbfd9e6a2c5db39d212ad78e4b72dc4b5..852f7bbd654afa35e4650505b4116e7a6f05df9f 100644 (file)
--- a/src/xrc/xh_gauge.cpp
+++ b/src/xrc/xh_gauge.cpp
@@ -24,55 +24,51 @@
 
 #if wxUSE_GAUGE
 
+IMPLEMENT_DYNAMIC_CLASS(wxGaugeXmlHandler, wxXmlResourceHandler)
+
 wxGaugeXmlHandler::wxGaugeXmlHandler() 
 : wxXmlResourceHandler() 
 {
-    ADD_STYLE( wxGA_HORIZONTAL );
-    ADD_STYLE( wxGA_VERTICAL );
-    ADD_STYLE( wxGA_PROGRESSBAR );
-    ADD_STYLE( wxGA_SMOOTH );   // windows only
+    XRC_ADD_STYLE(wxGA_HORIZONTAL);
+    XRC_ADD_STYLE(wxGA_VERTICAL);
+    XRC_ADD_STYLE(wxGA_PROGRESSBAR);
+    XRC_ADD_STYLE(wxGA_SMOOTH);   // windows only
     AddWindowStyles();
 }
 
 wxObject *wxGaugeXmlHandler::DoCreateResource()
 { 
-    wxGauge *control = wxStaticCast(m_instance, wxGauge);
-
-    if (!control)
-       control = new wxGauge;
+    XRC_MAKE_INSTANCE(control, wxGauge)
 
     control->Create(m_parentAsWindow,
                     GetID(),
-                    GetLong( wxT("range"), wxGAUGE_DEFAULT_RANGE), 
+                    GetLong(wxT("range"), wxGAUGE_DEFAULT_RANGE), 
                     GetPosition(), GetSize(),
                     GetStyle(),
                     wxDefaultValidator,
                     GetName());
 
-    if( HasParam( wxT("value") ))
+    if( HasParam(wxT("value")))
     {
-        control->SetValue( GetLong( wxT("value") ));
+        control->SetValue(GetLong(wxT("value")));
     }
-    if( HasParam( wxT("shadow") ))
+    if( HasParam(wxT("shadow")))
     {
-        control->SetShadowWidth( GetDimension( wxT("shadow") ));
+        control->SetShadowWidth(GetDimension(wxT("shadow")));
     }
-    if( HasParam( wxT("bezel") ))
+    if( HasParam(wxT("bezel")))
     {
-        control->SetBezelFace( GetDimension( wxT("bezel") ));
+        control->SetBezelFace(GetDimension(wxT("bezel")));
     }
 
     SetupWindow(control);
-    
+
     return control;
 }
 
-
-
 bool wxGaugeXmlHandler::CanHandle(wxXmlNode *node)
 {
     return IsOfClass(node, wxT("wxGauge"));
 }
 
-
 #endif // wxUSE_GAUGE