Added windowing and scrolling logic to generic

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

diff --git a/include/wx/ctrlsub.h b/include/wx/ctrlsub.h
index 13cb2abf08bace0e2f19fb4c95fc28259e1f1e8d..216ab3ab4ac2933d869d9af271d383438011cc4e 100644 (file)
--- a/include/wx/ctrlsub.h
+++ b/include/wx/ctrlsub.h
@@ -5,16 +5,14 @@
 // Modified by:
 // Created:     22.10.99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_CTRLSUB_H_BASE_
 #define _WX_CTRLSUB_H_BASE_
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "controlwithitems.h"
-#endif
+#include "wx/defs.h"
 
 #if wxUSE_CONTROLS
 
@@ -24,14 +22,75 @@
 // wxItemContainer defines an interface which is implemented by all controls
 // which have string subitems each of which may be selected.
 //
+// It is decomposed in wxItemContainerImmutable which omits all methods
+// adding/removing items and is used by wxRadioBox and wxItemContainer itself.
+//
 // Examples: wxListBox, wxCheckListBox, wxChoice and wxComboBox (which
 // implements an extended interface deriving from this one)
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxItemContainer
+class WXDLLEXPORT wxItemContainerImmutable
 {
 public:
-    wxItemContainer();
+    wxItemContainerImmutable() { }
+    virtual ~wxItemContainerImmutable();
+
+    // accessing strings
+    // -----------------
+
+    virtual size_t GetCount() const = 0;
+    bool IsEmpty() const { return GetCount() == 0; }
+
+    virtual wxString GetString(int n) const = 0;
+    wxArrayString GetStrings() const;
+    virtual void SetString(int n, const wxString& s) = 0;
+
+    // finding string natively is either case sensitive or insensitive
+    // but never both so fall back to this base version for not
+    // supported search type
+    virtual int FindString(const wxString& s, bool bCase = false) const
+    {
+        size_t count = GetCount();
+
+        for ( size_t i = 0; i < count ; ++i )
+        {
+            if (GetString(i).IsSameAs( s , bCase ))
+                return i;
+        }
+
+        return wxNOT_FOUND;
+    }
+
+
+    // selection
+    // ---------
+
+    virtual void SetSelection(int n) = 0;
+    virtual int GetSelection() const = 0;
+
+    // set selection to the specified string, return false if not found
+    bool SetStringSelection(const wxString& s);
+
+    // return the selected string or empty string if none
+    wxString GetStringSelection() const;
+
+    // this is the same as SetSelection( for single-selection controls but
+    // reads better for multi-selection ones
+    void Select(int n) { SetSelection(n); }
+
+
+protected:
+
+    // check that the index is valid
+    // FIXME: once api will move to size_t, drop >= 0 check
+    inline bool IsValid(int n) const { return n >= 0 && (size_t)n < GetCount(); }
+    inline bool IsValidInsert(int n) const { return n >= 0 && (size_t)n <= GetCount(); }
+};
+
+class WXDLLEXPORT wxItemContainer : public wxItemContainerImmutable
+{
+public:
+    wxItemContainer() { m_clientDataItemsType = wxClientData_None; }
     virtual ~wxItemContainer();
 
     // adding items
@@ -46,7 +105,7 @@ public:
 
     // only for rtti needs (separate name)
     void AppendString( const wxString& item)
-    { Append( item ) ; }
+        { Append( item ); }
 
     // append several items at once to the control
     void Append(const wxArrayString& strings);
@@ -62,25 +121,6 @@ public:
     virtual void Clear() = 0;
     virtual void Delete(int n) = 0;
 
-    // accessing strings
-    // -----------------
-
-    virtual int GetCount() const = 0;
-    bool IsEmpty() const { return GetCount() == 0; }
-
-    virtual wxString GetString(int n) const = 0;
-    wxArrayString GetStrings() const;
-    virtual void SetString(int n, const wxString& s) = 0;
-    virtual int FindString(const wxString& s) const = 0;
-
-    // selection
-    // ---------
-
-    virtual void Select(int n) = 0;
-    virtual int GetSelection() const = 0;
-
-    wxString GetStringSelection() const;
-
     // misc
     // ----
 
@@ -96,12 +136,6 @@ public:
     bool HasClientUntypedData() const
         { return m_clientDataItemsType == wxClientData_Void; }
 
-#if WXWIN_COMPATIBILITY_2_2
-    // compatibility - these functions are deprecated, use the new ones
-    // instead
-    int Number() const { return GetCount(); }
-#endif // WXWIN_COMPATIBILITY_2_2
-
 protected:
     virtual int DoAppend(const wxString& item) = 0;
     virtual int DoInsert(const wxString& item, int pos) = 0;
@@ -140,7 +174,7 @@ protected:
 class WXDLLEXPORT wxControlWithItems : public wxControl, public wxItemContainer
 {
 public:
-    wxControlWithItems();
+    wxControlWithItems() { }
     virtual ~wxControlWithItems();
 
     // we have to redefine these functions here to avoid ambiguities in classes
@@ -154,11 +188,26 @@ public:
     // colour
     virtual bool ShouldInheritColours() const { return false; }
 
+protected:
+    // we can't compute our best size before the items are added to the control
+    // which is done after calling SetInitialBestSize() (it is called from the
+    // base class ctor and the items are added in the derived class ctor), so
+    // don't do anything at all here as our size will be changed later anyhow
+    //
+    // of course, all derived classes *must* call SetBestSize() from their
+    // ctors for this to work!
+    virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) { }
+
 private:
+    DECLARE_ABSTRACT_CLASS(wxControlWithItems)
     DECLARE_NO_COPY_CLASS(wxControlWithItems)
 };
 
+
+// ----------------------------------------------------------------------------
+// inline functions
+// ----------------------------------------------------------------------------
+
 #endif // wxUSE_CONTROLS
 
 #endif // _WX_CTRLSUB_H_BASE_
-