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