include/wx/control.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/control.h
   3 // Purpose:     wxControl common interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     26.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CONTROL_H_BASE_
  13 #define _WX_CONTROL_H_BASE_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_CONTROLS
  22
  23 #include "wx/window.h"      // base class
  24
  25 extern WXDLLEXPORT_DATA(const wxChar) wxControlNameStr[];
  26
  27 // ----------------------------------------------------------------------------
  28 // wxControl is the base class for all controls
  29 // ----------------------------------------------------------------------------
  30
  31 class WXDLLEXPORT wxControlBase : public wxWindow
  32 {
  33 public:
  34     wxControlBase() { }
  35
  36     virtual ~wxControlBase();
  37
  38     // Create() function adds the validator parameter
  39     bool Create(wxWindow *parent, wxWindowID id,
  40                 const wxPoint& pos = wxDefaultPosition,
  41                 const wxSize& size = wxDefaultSize,
  42                 long style = 0,
  43                 const wxValidator& validator = wxDefaultValidator,
  44                 const wxString& name = wxControlNameStr);
  45
  46     // get the control alignment (left/right/centre, top/bottom/centre)
  47     int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; }
  48
  49
  50     // controls by default inherit the colours of their parents, if a
  51     // particular control class doesn't want to do it, it can override
  52     // ShouldInheritColours() to return false
  53     virtual bool ShouldInheritColours() const { return true; }
  54
  55
  56     // WARNING: this doesn't work for all controls nor all platforms!
  57     //
  58     // simulates the event of given type (i.e. wxButton::Command() is just as
  59     // if the button was clicked)
  60     virtual void Command(wxCommandEvent &event);
  61
  62     virtual void SetLabel( const wxString &label );
  63     virtual bool SetFont(const wxFont& font);
  64
  65     // wxControl-specific processing after processing the update event
  66     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
  67
  68 protected:
  69     // creates the control (calls wxWindowBase::CreateBase inside) and adds it
  70     // to the list of parents children
  71     bool CreateControl(wxWindowBase *parent,
  72                        wxWindowID id,
  73                        const wxPoint& pos,
  74                        const wxSize& size,
  75                        long style,
  76                        const wxValidator& validator,
  77                        const wxString& name);
  78
  79     // initialize the common fields of wxCommandEvent
  80     void InitCommandEvent(wxCommandEvent& event) const;
  81
  82     // set the initial window size if none is given (i.e. at least one of the
  83     // components of the size passed to ctor/Create() is -1)
  84     //
  85     // normally just calls SetBestSize() but can be overridden not to do it for
  86     // the controls which have to do some additional initialization (e.g. add
  87     // strings to list box) before their best size can be accurately calculated
  88     virtual void SetInitialBestSize(const wxSize& size)
  89     {
  90         SetBestSize(size);
  91     }
  92
  93     DECLARE_NO_COPY_CLASS(wxControlBase)
  94 };
  95
  96 // ----------------------------------------------------------------------------
  97 // include platform-dependent wxControl declarations
  98 // ----------------------------------------------------------------------------
  99
 100 #if defined(__WXUNIVERSAL__)
 101     #include "wx/univ/control.h"
 102 #elif defined(__WXPALMOS__)
 103     #include "wx/palmos/control.h"
 104 #elif defined(__WXMSW__)
 105     #include "wx/msw/control.h"
 106 #elif defined(__WXMOTIF__)
 107     #include "wx/motif/control.h"
 108 #elif defined(__WXGTK20__)
 109     #include "wx/gtk/control.h"
 110 #elif defined(__WXGTK__)
 111     #include "wx/gtk1/control.h"
 112 #elif defined(__WXMAC__)
 113     #include "wx/mac/control.h"
 114 #elif defined(__WXCOCOA__)
 115     #include "wx/cocoa/control.h"
 116 #elif defined(__WXPM__)
 117     #include "wx/os2/control.h"
 118 #endif
 119
 120 #endif // wxUSE_CONTROLS
 121
 122 #endif
 123     // _WX_CONTROL_H_BASE_