Make wxPG_FILE_DIALOG_STYLE a built-in attribute

This attribute is used only internally in wxFileProperty so it can be considered as a built-in attribute which value can be stored in the local data member and not in the property's attribute store.

include/wx/propgrid/props.h

@@ -589,6 +589,7 @@ protected:
     wxString    m_initialPath; // If set, start the file dialog here
     wxString    m_dlgTitle; // If set, used as title for file dialog
     int         m_indFilter; // index to the selected filter
+    long        m_dlgStyle;  // File dialog style
 };
 
 // -----------------------------------------------------------------------

interface/wx/propgrid/property.h

@@ -151,8 +151,9 @@ struct wxPGPaintData
 */
 #define wxPG_FILE_DIALOG_TITLE              wxS("DialogTitle")
 
-/** Specific to wxFileProperty and derivatives, @c long, default is 0.
-    Sets a specific wxFileDialog style for the file dialog, e.g. ::wxFD_SAVE.
+/** Built-in attribute specific to wxFileProperty and derivatives, @c long,
+    default is 0. Sets a specific wxFileDialog style for the file dialog,
+    e.g. ::wxFD_SAVE.
 
     @since 2.9.4
 */
@@ -617,6 +618,7 @@ wxPG_PROP_CLASS_SPECIFIC_3          = 0x00400000
     given path string.
     - ::wxPG_FILE_INITIAL_PATH: Sets the initial path of where to look for files.
     - ::wxPG_FILE_DIALOG_TITLE: Sets a specific title for the dir dialog.
+    - ::wxPG_FILE_DIALOG_STYLE: Sets a specific wxFileDialog style for the file dialog.
     @see @ref propgrid_property_attributes
 
     @subsection wxEnumProperty

interface/wx/propgrid/props.h

@@ -516,6 +516,8 @@ public:
     given path string.
     - "InitialPath": Sets the initial path of where to look for files.
     - "DialogTitle": Sets a specific title for the dir dialog.
+    - ::wxPG_FILE_DIALOG_STYLE: Sets a specific wxFileDialog style for the file
+    dialog (since 2.9.4).
 */
 class wxFileProperty : public wxPGProperty
 {
@@ -544,10 +546,11 @@ public:
 
 protected:
     wxString    m_wildcard;
-    wxString    m_basePath; // If set, then show path relative to it
-    wxString    m_initialPath; // If set, start the file dialog here
-    wxString    m_dlgTitle; // If set, used as title for file dialog
-    int         m_indFilter; // index to the selected filter
+    wxString    m_basePath;
+    wxString    m_initialPath;
+    wxString    m_dlgTitle;
+    int         m_indFilter;
+    long        m_dlgStyle;
 };
 
 

src/propgrid/props.cpp

@@ -1964,6 +1964,7 @@ wxFileProperty::wxFileProperty( const wxString& label, const wxString& name,
 {
     m_flags |= wxPG_PROP_SHOW_FULL_FILENAME;
     m_indFilter = -1;
+    m_dlgStyle = 0;
     SetAttribute( wxPG_FILE_WILDCARD, wxALL_FILES);
 
     SetValue(value);
@@ -2147,6 +2148,11 @@ bool wxFileProperty::DoSetAttribute( const wxString& name, wxVariant& value )
         m_dlgTitle = value.GetString();
         return true;
     }
+    else if ( name == wxPG_FILE_DIALOG_STYLE )
+    {
+        m_dlgStyle = value.GetLong();
+        return true;
+    }
     return wxPGProperty::DoSetAttribute(name, value);
 }