include/wx/msw/button.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/button.h
   3 // Purpose:     wxButton class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_BUTTON_H_
  13 #define _WX_BUTTON_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // Pushbutton
  17 // ----------------------------------------------------------------------------
  18
  19 class WXDLLIMPEXP_CORE wxButton : public wxButtonBase
  20 {
  21 public:
  22     wxButton() { Init(); }
  23     wxButton(wxWindow *parent,
  24              wxWindowID id,
  25              const wxString& label = wxEmptyString,
  26              const wxPoint& pos = wxDefaultPosition,
  27              const wxSize& size = wxDefaultSize,
  28              long style = 0,
  29              const wxValidator& validator = wxDefaultValidator,
  30              const wxString& name = wxButtonNameStr)
  31     {
  32         Init();
  33
  34         Create(parent, id, label, pos, size, style, validator, name);
  35     }
  36
  37     bool Create(wxWindow *parent,
  38                 wxWindowID id,
  39                 const wxString& label = wxEmptyString,
  40                 const wxPoint& pos = wxDefaultPosition,
  41                 const wxSize& size = wxDefaultSize,
  42                 long style = 0,
  43                 const wxValidator& validator = wxDefaultValidator,
  44                 const wxString& name = wxButtonNameStr);
  45
  46     virtual ~wxButton();
  47
  48     virtual wxWindow *SetDefault();
  49
  50     // overridden base class methods
  51     virtual void SetLabel(const wxString& label);
  52     virtual bool SetBackgroundColour(const wxColour &colour);
  53     virtual bool SetForegroundColour(const wxColour &colour);
  54
  55     // implementation from now on
  56     virtual void Command(wxCommandEvent& event);
  57     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  58     virtual bool MSWCommand(WXUINT param, WXWORD id);
  59
  60     virtual bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
  61     virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
  62
  63     // returns true if the platform should explicitly apply a theme border
  64     virtual bool CanApplyThemeBorder() const { return false; }
  65
  66 protected:
  67     // send a notification event, return true if processed
  68     bool SendClickEvent();
  69
  70     // default button handling
  71     void SetTmpDefault();
  72     void UnsetTmpDefault();
  73
  74     // set or unset BS_DEFPUSHBUTTON style
  75     static void SetDefaultStyle(wxButton *btn, bool on);
  76
  77     // usually overridden base class virtuals
  78     virtual wxSize DoGetBestSize() const;
  79
  80     virtual bool DoGetAuthNeeded() const;
  81     virtual void DoSetAuthNeeded(bool show);
  82     virtual wxBitmap DoGetBitmap(State which) const;
  83     virtual void DoSetBitmap(const wxBitmap& bitmap, State which);
  84     virtual wxSize DoGetBitmapMargins() const;
  85     virtual void DoSetBitmapMargins(wxCoord x, wxCoord y);
  86     virtual void DoSetBitmapPosition(wxDirection dir);
  87
  88     // Increases the passed in size to account for the button image.
  89     //
  90     // Should only be called if we do have a button, i.e. if m_imageData is
  91     // non-NULL.
  92     void AdjustForBitmapSize(wxSize& size) const;
  93
  94     class wxButtonImageData *m_imageData;
  95
  96     // true if the UAC symbol is shown
  97     bool m_authNeeded;
  98
  99 private:
 100     void Init()
 101     {
 102         m_imageData = NULL;
 103         m_authNeeded = false;
 104     }
 105
 106     // Switches button into owner-drawn mode: this is used if we need to draw
 107     // something not supported by the native control, such as using non default
 108     // colours or a bitmap on pre-XP systems.
 109     void MakeOwnerDrawn();
 110
 111     wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxButton);
 112 };
 113
 114 #endif // _WX_BUTTON_H_