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 WXDLLEXPORT_DATA(extern const wxChar*) wxControlNameStr;
  22
  23 // General item class
  24 class WXDLLEXPORT wxControl : public wxControlBase
  25 {
  26     DECLARE_ABSTRACT_CLASS(wxControl)
  27
  28 public:
  29    wxControl();
  30    wxControl(wxWindow *parent, wxWindowID id,
  31              const wxPoint& pos = wxDefaultPosition,
  32              const wxSize& size = wxDefaultSize, long style = 0,
  33              const wxValidator& validator = wxDefaultValidator,
  34              const wxString& name = wxControlNameStr)
  35     {
  36         Create(parent, id, pos, size, style, validator, name);
  37     }
  38
  39     bool Create(wxWindow *parent, wxWindowID id,
  40             const wxPoint& pos = wxDefaultPosition,
  41             const wxSize& size = wxDefaultSize, long style = 0,
  42             const wxValidator& validator = wxDefaultValidator,
  43             const wxString& name = wxControlNameStr);
  44
  45     virtual ~wxControl();
  46
  47     // Simulates an event
  48     virtual void Command(wxCommandEvent& event) { ProcessCommand(event); }
  49
  50     // implementation from now on
  51     // --------------------------
  52
  53     // Calls the callback and appropriate event handlers
  54     bool ProcessCommand(wxCommandEvent& event);
  55
  56     // MSW-specific
  57 #ifdef __WIN95__
  58     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
  59 #endif // Win95
  60
  61     // For ownerdraw items
  62     virtual bool MSWOnDraw(WXDRAWITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  63     virtual bool MSWOnMeasure(WXMEASUREITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  64
  65     wxArrayLong GetSubcontrols() { return m_subControls; }
  66
  67     void OnEraseBackground(wxEraseEvent& event);
  68
  69     virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
  70             WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
  71
  72 #if WXWIN_COMPATIBILITY
  73     virtual void SetButtonColour(const wxColour& WXUNUSED(col)) { }
  74     wxColour* GetButtonColour() const { return NULL; }
  75
  76     inline virtual void SetLabelFont(const wxFont& font);
  77     inline virtual void SetButtonFont(const wxFont& font);
  78     inline wxFont& GetLabelFont() const;
  79     inline wxFont& GetButtonFont() const;
  80
  81     // Adds callback
  82     inline void Callback(const wxFunction function);
  83
  84     wxFunction GetCallback() { return m_callback; }
  85
  86 protected:
  87     wxFunction       m_callback;     // Callback associated with the window
  88 #endif // WXWIN_COMPATIBILITY
  89
  90 protected:
  91     // for controls like radiobuttons which are really composite this array
  92     // holds the ids (not HWNDs!) of the sub controls
  93     wxArrayLong m_subControls;
  94
  95     virtual wxSize DoGetBestSize() const;
  96
  97     // create the control of the given class with the given style, returns FALSE
  98     // if creation failed
  99     //
 100     // All parameters except classname and style are optional, if the
 101     // size/position are not given, they should be set later with SetSize() and,
 102     // label (the title of the window), of course, is left empty. The extended
 103     // style is determined from the style and the app 3D settings automatically
 104     // if it's not specified explicitly.
 105     bool MSWCreateControl(const wxChar *classname,
 106             WXDWORD style,
 107             const wxPoint& pos = wxDefaultPosition,
 108             const wxSize& size = wxDefaultSize,
 109             const wxString& label = wxEmptyString,
 110             WXDWORD exstyle = (WXDWORD)-1);
 111
 112     // determine the extended styles combination for this window (may slightly
 113     // modify style parameter, this is why it's non const)
 114     WXDWORD GetExStyle(WXDWORD& style, bool *want3D) const;
 115
 116 private:
 117     DECLARE_EVENT_TABLE()
 118 };
 119
 120
 121 #if WXWIN_COMPATIBILITY
 122     inline void wxControl::Callback(const wxFunction f) { m_callback = f; };
 123     inline wxFont& wxControl::GetLabelFont() const { return (wxFont &)GetFont(); }
 124     inline wxFont& wxControl::GetButtonFont() const { return (wxFont &)GetFont(); }
 125     inline void wxControl::SetLabelFont(const wxFont& font) { SetFont(font); }
 126     inline void wxControl::SetButtonFont(const wxFont& font) { SetFont(font); }
 127 #endif // WXWIN_COMPATIBILITY
 128
 129 #endif
 130     // _WX_CONTROL_H_