// Modified by:
// Created: 22.10.99
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
-// Licence: wxWindows license
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_CTRLSUB_H_BASE_
#define _WX_CTRLSUB_H_BASE_
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "controlwithitems.h"
#endif
+#include "wx/defs.h"
+
+#if wxUSE_CONTROLS
+
#include "wx/control.h" // base class
// ----------------------------------------------------------------------------
-// wxControlWithItems defines an interface which is implemented by all controls
+// wxItemContainer defines an interface which is implemented by all controls
// which have string subitems each of which may be selected.
//
-// Examples: wxListBox, wxCheckListBox, wxChoice and wxComboBox
+// 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 wxControlWithItems : public wxControl
+class WXDLLEXPORT wxItemContainerImmutable
{
public:
- wxControlWithItems() { m_clientDataItemsType = ClientData_None; }
-#ifdef __WXMAC_X__
- virtual ~wxControlWithItems() {} // Added min for Mac X
-#endif
-
- // adding items
- // ------------
-
- void Append(const wxString& item)
- { DoAppend(item); }
- void Append(const wxString& item, void *clientData)
- { int n = DoAppend(item); SetClientData(n, clientData); }
- void Append(const wxString& item, wxClientData *clientData)
- { int n = DoAppend(item); SetClientObject(n, clientData); }
-
- // deleting items
- // --------------
-
- virtual void Clear() = 0;
- virtual void Delete(int n) = 0;
+ wxItemContainerImmutable() { }
+ virtual ~wxItemContainerImmutable();
// 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 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
+ inline bool IsValid(int n) const { return n >= 0 && n < GetCount(); }
+};
+
+class WXDLLEXPORT wxItemContainer : public wxItemContainerImmutable
+{
+public:
+ wxItemContainer() { m_clientDataItemsType = wxClientData_None; }
+ virtual ~wxItemContainer();
+
+ // adding items
+ // ------------
+
+ int Append(const wxString& item)
+ { return DoAppend(item); }
+ int Append(const wxString& item, void *clientData)
+ { int n = DoAppend(item); SetClientData(n, clientData); return n; }
+ int Append(const wxString& item, wxClientData *clientData)
+ { int n = DoAppend(item); SetClientObject(n, clientData); return n; }
+
+ // only for rtti needs (separate name)
+ void AppendString( const wxString& item)
+ { Append( item ); }
+
+ // append several items at once to the control
+ void Append(const wxArrayString& strings);
+
+ int Insert(const wxString& item, int pos)
+ { return DoInsert(item, pos); }
+ int Insert(const wxString& item, int pos, void *clientData);
+ int Insert(const wxString& item, int pos, wxClientData *clientData);
+
+ // deleting items
+ // --------------
+
+ virtual void Clear() = 0;
+ virtual void Delete(int n) = 0;
+
// misc
// ----
wxClientData* GetClientObject(int n) const;
bool HasClientObjectData() const
- { return m_clientDataItemsType == ClientData_Object; }
+ { return m_clientDataItemsType == wxClientData_Object; }
bool HasClientUntypedData() const
- { return m_clientDataItemsType == ClientData_Void; }
+ { 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(); }
+ wxDEPRECATED( int Number() const );
+#endif // WXWIN_COMPATIBILITY_2_2
protected:
virtual int DoAppend(const wxString& item) = 0;
+ virtual int DoInsert(const wxString& item, int pos) = 0;
virtual void DoSetItemClientData(int n, void* clientData) = 0;
virtual void* DoGetItemClientData(int n) const = 0;
wxClientDataType m_clientDataItemsType;
};
-#endif // _WX_CTRLSUB_H_BASE_
+// this macro must (unfortunately) be used in any class deriving from both
+// wxItemContainer and wxControl because otherwise there is ambiguity when
+// calling GetClientXXX() functions -- the compiler can't choose between the
+// two versions
+#define wxCONTROL_ITEMCONTAINER_CLIENTDATAOBJECT_RECAST \
+ void SetClientData(void *data) \
+ { wxControl::SetClientData(data); } \
+ void *GetClientData() const \
+ { return wxControl::GetClientData(); } \
+ void SetClientObject(wxClientData *data) \
+ { wxControl::SetClientObject(data); } \
+ wxClientData *GetClientObject() const \
+ { return wxControl::GetClientObject(); } \
+ void SetClientData(int n, void* clientData) \
+ { wxItemContainer::SetClientData(n, clientData); } \
+ void* GetClientData(int n) const \
+ { return wxItemContainer::GetClientData(n); } \
+ void SetClientObject(int n, wxClientData* clientData) \
+ { wxItemContainer::SetClientObject(n, clientData); } \
+ wxClientData* GetClientObject(int n) const \
+ { return wxItemContainer::GetClientObject(n); }
+
+class WXDLLEXPORT wxControlWithItems : public wxControl, public wxItemContainer
+{
+public:
+ wxControlWithItems() { }
+ virtual ~wxControlWithItems();
+
+ // we have to redefine these functions here to avoid ambiguities in classes
+ // deriving from us which would arise otherwise because both base classses
+ // have the methods with the same names - hopefully, a smart compiler can
+ // optimize away these simple inline wrappers so we don't suffer much from
+ // this
+ wxCONTROL_ITEMCONTAINER_CLIENTDATAOBJECT_RECAST
+ // usually the controls like list/combo boxes have their own background
+ // 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_NO_COPY_CLASS(wxControlWithItems)
+};
+
+
+// ----------------------------------------------------------------------------
+// inline functions
+// ----------------------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_2
+
+inline int wxItemContainer::Number() const
+{
+ return GetCount();
+}
+
+#endif // WXWIN_COMPATIBILITY_2_2
+
+#endif // wxUSE_CONTROLS
+
+#endif // _WX_CTRLSUB_H_BASE_
projects / wxWidgets.git / blobdiff