fixed wxComboBox::Clear to clear stored value

[wxWidgets.git] / include / wx / control.h

diff --git a/include/wx/control.h b/include/wx/control.h
index e4bd23980186eb137d70472555b1801423c4a1d7..cc394434e3018ad5edfe5dd6b10eaa0f7a36414e 100644 (file)
--- a/include/wx/control.h
+++ b/include/wx/control.h
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     26.07.99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -16,17 +16,13 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(__APPLE__)
-    #pragma interface "controlbase.h"
-#endif
-
 #include "wx/defs.h"
 
 #if wxUSE_CONTROLS
 
 #include "wx/window.h"      // base class
 
-WXDLLEXPORT_DATA(extern const wxChar*) wxControlNameStr;
+extern WXDLLEXPORT_DATA(const wxChar*) wxControlNameStr;
 
 // ----------------------------------------------------------------------------
 // wxControl is the base class for all controls
@@ -35,6 +31,8 @@ WXDLLEXPORT_DATA(extern const wxChar*) wxControlNameStr;
 class WXDLLEXPORT wxControlBase : public wxWindow
 {
 public:
+    wxControlBase() { }
+
     virtual ~wxControlBase();
 
     // Create() function adds the validator parameter
@@ -45,12 +43,35 @@ public:
                 const wxValidator& validator = wxDefaultValidator,
                 const wxString& name = wxControlNameStr);
 
+    // get the control alignment (left/right/centre, top/bottom/centre)
+    int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; }
+
+
+    // controls by default inherit the colours of their parents, if a
+    // particular control class doesn't want to do it, it can override
+    // ShouldInheritColours() to return false
+    virtual bool ShouldInheritColours() const { return true; }
+
+
+    // WARNING: this doesn't work for all controls nor all platforms!
+    //
     // simulates the event of given type (i.e. wxButton::Command() is just as
     // if the button was clicked)
     virtual void Command(wxCommandEvent &event);
 
-    // get the control alignment (left/right/centre, top/bottom/centre)
-    int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; }
+    virtual void SetLabel( const wxString &label );
+    virtual bool SetFont(const wxFont& font);
+
+    // Reserved for future use
+    virtual void ReservedControlFunc1() {}
+    virtual void ReservedControlFunc2() {}
+    virtual void ReservedControlFunc3() {}
+    virtual void ReservedControlFunc4() {}
+    virtual void ReservedControlFunc5() {}
+    virtual void ReservedControlFunc6() {}
+    virtual void ReservedControlFunc7() {}
+    virtual void ReservedControlFunc8() {}
+    virtual void ReservedControlFunc9() {}
 
 protected:
     // creates the control (calls wxWindowBase::CreateBase inside) and adds it
@@ -63,11 +84,21 @@ protected:
                        const wxValidator& validator,
                        const wxString& name);
 
-    // inherit colour and font settings from the parent window
-    void InheritAttributes();
-
     // initialize the common fields of wxCommandEvent
     void InitCommandEvent(wxCommandEvent& event) const;
+
+    // set the initial window size if none is given (i.e. at least one of the
+    // components of the size passed to ctor/Create() is -1)
+    //
+    // normally just calls SetBestSize() but can be overridden not to do it for
+    // the controls which have to do some additional initialization (e.g. add
+    // strings to list box) before their best size can be accurately calculated
+    virtual void SetInitialBestSize(const wxSize& size)
+    {
+        SetBestSize(size);
+    }
+
+    DECLARE_NO_COPY_CLASS(wxControlBase)
 };
 
 // ----------------------------------------------------------------------------
@@ -76,6 +107,8 @@ protected:
 
 #if defined(__WXUNIVERSAL__)
     #include "wx/univ/control.h"
+#elif defined(__WXPALMOS__)
+    #include "wx/palmos/control.h"
 #elif defined(__WXMSW__)
     #include "wx/msw/control.h"
 #elif defined(__WXMOTIF__)