include/wx/msw/control.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        control.h
   3 // Purpose:     wxControl 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_CONTROL_H_
  13 #define _WX_CONTROL_H_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "control.h"
  17 #endif
  18
  19 #include "wx/dynarray.h"
  20
  21 // General item class
  22 class WXDLLEXPORT wxControl : public wxControlBase
  23 {
  24     DECLARE_ABSTRACT_CLASS(wxControl)
  25
  26 public:
  27    wxControl();
  28    virtual ~wxControl();
  29
  30    // Simulates an event
  31    virtual void Command(wxCommandEvent& event) { ProcessCommand(event); }
  32
  33    // implementation from now on
  34    // --------------------------
  35
  36    // Calls the callback and appropriate event handlers
  37    bool ProcessCommand(wxCommandEvent& event);
  38
  39    // MSW-specific
  40 #ifdef __WIN95__
  41    virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
  42 #endif // Win95
  43
  44    // For ownerdraw items
  45    virtual bool MSWOnDraw(WXDRAWITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  46    virtual bool MSWOnMeasure(WXMEASUREITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  47
  48    wxArrayLong GetSubcontrols() { return m_subControls; }
  49
  50    void OnEraseBackground(wxEraseEvent& event);
  51
  52    virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
  53                                WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
  54
  55 #if WXWIN_COMPATIBILITY
  56    virtual void SetButtonColour(const wxColour& WXUNUSED(col)) { }
  57    wxColour* GetButtonColour() const { return NULL; }
  58
  59    inline virtual void SetLabelFont(const wxFont& font);
  60    inline virtual void SetButtonFont(const wxFont& font);
  61    inline wxFont& GetLabelFont() const;
  62    inline wxFont& GetButtonFont() const;
  63
  64    // Adds callback
  65    inline void Callback(const wxFunction function);
  66
  67    wxFunction GetCallback() { return m_callback; }
  68
  69 protected:
  70    wxFunction       m_callback;     // Callback associated with the window
  71 #endif // WXWIN_COMPATIBILITY
  72
  73 protected:
  74    // for controls like radiobuttons which are really composite this array
  75    // holds the ids (not HWNDs!) of the sub controls
  76    wxArrayLong m_subControls;
  77
  78    virtual wxSize DoGetBestSize() const;
  79
  80    // create the control of the given class with the given style, returns FALSE
  81    // if creation failed
  82    //
  83    // All parameters except classname and style are optional, if the
  84    // size/position are not given, they should be set later with SetSize() and,
  85    // label (the title of the window), of course, is left empty. The extended
  86    // style is determined from the style and the app 3D settings automatically
  87    // if it's not specified explicitly.
  88    bool MSWCreateControl(const wxChar *classname,
  89                          WXDWORD style,
  90                          const wxPoint& pos = wxDefaultPosition,
  91                          const wxSize& size = wxDefaultSize,
  92                          const wxString& label = wxEmptyString,
  93                          WXDWORD exstyle = (WXDWORD)-1);
  94
  95    // determine the extended styles combination for this window (may slightly
  96    // modify style parameter, this is why it's non const)
  97    WXDWORD GetExStyle(WXDWORD& style, bool *want3D) const;
  98
  99 private:
 100    DECLARE_EVENT_TABLE()
 101 };
 102
 103
 104 #if WXWIN_COMPATIBILITY
 105     inline void wxControl::Callback(const wxFunction f) { m_callback = f; };
 106     inline wxFont& wxControl::GetLabelFont() const { return GetFont(); }
 107     inline wxFont& wxControl::GetButtonFont() const { return GetFont(); }
 108     inline void wxControl::SetLabelFont(const wxFont& font) { SetFont(font); }
 109     inline void wxControl::SetButtonFont(const wxFont& font) { SetFont(font); }
 110 #endif // WXWIN_COMPATIBILITY
 111
 112 #endif
 113     // _WX_CONTROL_H_