avoiding crash for pure modifier events

[wxWidgets.git] / include / wx / msw / choice.h

diff --git a/include/wx/msw/choice.h b/include/wx/msw/choice.h
index 9ca576cd7c9c58ae0b9247aa0c7638098ca2f33e..4f28ec07c2397fd9d481e3ff98f2f63d7021aeaa 100644 (file)
--- a/include/wx/msw/choice.h
+++ b/include/wx/msw/choice.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        choice.h
+// Name:        wx/msw/choice.h
 // Purpose:     wxChoice class
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to derive from wxChoiceBase
@@ -12,21 +12,15 @@
 #ifndef _WX_CHOICE_H_
 #define _WX_CHOICE_H_
 
-#ifdef __GNUG__
-    #pragma interface "choice.h"
-#endif
-
 // ----------------------------------------------------------------------------
 // Choice item
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxChoice : public wxChoiceBase
+class WXDLLIMPEXP_CORE wxChoice : public wxChoiceBase
 {
-    DECLARE_DYNAMIC_CLASS(wxChoice)
-
 public:
     // ctors
-    wxChoice() { }
+    wxChoice() { Init(); }
     virtual ~wxChoice();
 
     wxChoice(wxWindow *parent,
@@ -38,9 +32,23 @@ public:
              const wxValidator& validator = wxDefaultValidator,
              const wxString& name = wxChoiceNameStr)
     {
+        Init();
         Create(parent, id, pos, size, n, choices, style, validator, name);
     }
 
+    wxChoice(wxWindow *parent,
+             wxWindowID id,
+             const wxPoint& pos,
+             const wxSize& size,
+             const wxArrayString& choices,
+             long style = 0,
+             const wxValidator& validator = wxDefaultValidator,
+             const wxString& name = wxChoiceNameStr)
+    {
+        Init();
+        Create(parent, id, pos, size, choices, style, validator, name);
+    }
+
     bool Create(wxWindow *parent,
                 wxWindowID id,
                 const wxPoint& pos = wxDefaultPosition,
@@ -49,42 +57,85 @@ public:
                 long style = 0,
                 const wxValidator& validator = wxDefaultValidator,
                 const wxString& name = wxChoiceNameStr);
+    bool Create(wxWindow *parent,
+                wxWindowID id,
+                const wxPoint& pos,
+                const wxSize& size,
+                const wxArrayString& choices,
+                long style = 0,
+                const wxValidator& validator = wxDefaultValidator,
+                const wxString& name = wxChoiceNameStr);
 
-    // implement base class pure virtuals
-    virtual int DoAppend(const wxString& item);
-    virtual int DoInsert(const wxString& item, int pos);
-    virtual void Delete(int n);
-    virtual void Clear();
+    virtual void SetLabel(const wxString& label);
 
-    virtual int GetCount() const;
+    virtual unsigned int GetCount() const;
     virtual int GetSelection() const;
+    virtual int GetCurrentSelection() const;
     virtual void SetSelection(int n);
 
-    virtual int FindString(const wxString& s) const;
-    virtual wxString GetString(int n) const;
-    virtual void SetString(int n, const wxString& s);
+    virtual int FindString(const wxString& s, bool bCase = false) const;
+    virtual wxString GetString(unsigned int n) const;
+    virtual void SetString(unsigned int n, const wxString& s);
 
     // MSW only
     virtual bool MSWCommand(WXUINT param, WXWORD id);
-    long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
-    virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-            WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
+    WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+    virtual WXHBRUSH MSWControlColor(WXHDC hDC, WXHWND hWnd);
+    virtual bool MSWShouldPreProcessMessage(WXMSG *pMsg);
+    virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
+
+    // returns true if the platform should explicitly apply a theme border
+    virtual bool CanApplyThemeBorder() const { return false; }
 
 protected:
+    // choose the default border for this window
+    virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
+
+    // common part of all ctors
+    void Init() { m_lastAcceptedSelection = wxID_NONE; }
+
+    virtual void DoDeleteOneItem(unsigned int n);
+    virtual void DoClear();
+
+    virtual int DoInsertItems(const wxArrayStringsAdapter& items,
+                              unsigned int pos,
+                              void **clientData, wxClientDataType type);
+
     virtual void DoMoveWindow(int x, int y, int width, int height);
-    virtual void DoSetItemClientData( int n, void* clientData );
-    virtual void* DoGetItemClientData( int n ) const;
-    virtual void DoSetItemClientObject( int n, wxClientData* clientData );
-    virtual wxClientData* DoGetItemClientObject( int n ) const;
+    virtual void DoSetItemClientData(unsigned int n, void* clientData);
+    virtual void* DoGetItemClientData(unsigned int n) const;
 
     // MSW implementation
     virtual wxSize DoGetBestSize() const;
+    virtual void DoGetSize(int *w, int *h) const;
     virtual void DoSetSize(int x, int y,
                            int width, int height,
                            int sizeFlags = wxSIZE_AUTO);
 
+    // update the height of the drop down list to fit the number of items we
+    // have (without changing the visible height)
+    void UpdateVisibleHeight();
+
+    // create and initialize the control
+    bool CreateAndInit(wxWindow *parent, wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       int n, const wxString choices[],
+                       long style,
+                       const wxValidator& validator,
+                       const wxString& name);
+
     // free all memory we have (used by Clear() and dtor)
     void Free();
+
+
+    // last "completed" selection, i.e. not the transient one while the user is
+    // browsing the popup list: this is only used when != wxID_NONE which is
+    // the case while the drop down is opened
+    int m_lastAcceptedSelection;
+
+
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxChoice)
 };
 
 #endif // _WX_CHOICE_H_