include/wx/msw/spinctrl.h

   1 ////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/spinctrl.h
   3 // Purpose:     wxSpinCtrl class declaration for Win32
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     22.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MSW_SPINCTRL_H_
  13 #define _WX_MSW_SPINCTRL_H_
  14
  15 #include "wx/spinbutt.h"    // the base class
  16
  17 #if wxUSE_SPINCTRL
  18
  19 #include "wx/dynarray.h"
  20
  21 class WXDLLIMPEXP_FWD_CORE wxSpinCtrl;
  22 WX_DEFINE_EXPORTED_ARRAY_PTR(wxSpinCtrl *, wxArraySpins);
  23
  24 // ----------------------------------------------------------------------------
  25 // Under Win32, wxSpinCtrl is a wxSpinButton with a buddy (as MSDN docs call
  26 // it) text window whose contents is automatically updated when the spin
  27 // control is clicked.
  28 // ----------------------------------------------------------------------------
  29
  30 class WXDLLIMPEXP_CORE wxSpinCtrl : public wxSpinButton
  31 {
  32 public:
  33     wxSpinCtrl() { Init(); }
  34
  35     wxSpinCtrl(wxWindow *parent,
  36                wxWindowID id = wxID_ANY,
  37                const wxString& value = wxEmptyString,
  38                const wxPoint& pos = wxDefaultPosition,
  39                const wxSize& size = wxDefaultSize,
  40                long style = wxSP_ARROW_KEYS | wxALIGN_RIGHT,
  41                int min = 0, int max = 100, int initial = 0,
  42                const wxString& name = wxT("wxSpinCtrl"))
  43     {
  44         Init();
  45
  46         Create(parent, id, value, pos, size, style, min, max, initial, name);
  47     }
  48
  49     bool Create(wxWindow *parent,
  50                 wxWindowID id = wxID_ANY,
  51                 const wxString& value = wxEmptyString,
  52                 const wxPoint& pos = wxDefaultPosition,
  53                 const wxSize& size = wxDefaultSize,
  54                 long style = wxSP_ARROW_KEYS | wxALIGN_RIGHT,
  55                 int min = 0, int max = 100, int initial = 0,
  56                 const wxString& name = wxT("wxSpinCtrl"));
  57
  58     // a wxTextCtrl-like method (but we can't have GetValue returning wxString
  59     // because the base class already has one returning int!)
  60     void SetValue(const wxString& text);
  61
  62     // another wxTextCtrl-like method
  63     void SetSelection(long from, long to);
  64
  65     // wxSpinCtrlBase methods
  66     virtual int GetBase() const;
  67     virtual bool SetBase(int base);
  68
  69
  70     // implementation only from now on
  71     // -------------------------------
  72
  73     virtual ~wxSpinCtrl();
  74
  75     virtual void SetValue(int val);
  76     virtual int  GetValue() const;
  77     virtual void SetRange(int minVal, int maxVal);
  78     virtual bool SetFont(const wxFont &font);
  79     virtual void SetFocus();
  80
  81     virtual bool Enable(bool enable = true);
  82     virtual bool Show(bool show = true);
  83
  84     virtual bool Reparent(wxWindowBase *newParent);
  85
  86     // wxSpinButton doesn't accept focus, but we do
  87     virtual bool AcceptsFocus() const { return wxWindow::AcceptsFocus(); }
  88
  89     // we're like wxTextCtrl and not (default) wxButton
  90     virtual wxVisualAttributes GetDefaultAttributes() const
  91     {
  92         return GetClassDefaultAttributes(GetWindowVariant());
  93     }
  94
  95     static wxVisualAttributes
  96     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL)
  97     {
  98         return GetCompositeControlsDefaultAttributes(variant);
  99     }
 100
 101     // for internal use only
 102
 103     // get the subclassed window proc of the buddy text
 104     WXFARPROC GetBuddyWndProc() const { return m_wndProcBuddy; }
 105
 106     // return the spinctrl object whose buddy is the given window or NULL
 107     static wxSpinCtrl *GetSpinForTextCtrl(WXHWND hwndBuddy);
 108
 109     // process a WM_COMMAND generated by the buddy text control
 110     bool ProcessTextCommand(WXWORD cmd, WXWORD id);
 111
 112     // recognize buddy window as part of this control at wx level
 113     virtual bool ContainsHWND(WXHWND hWnd) const { return hWnd == m_hwndBuddy; }
 114
 115 protected:
 116     virtual void DoGetPosition(int *x, int *y) const;
 117     virtual void DoMoveWindow(int x, int y, int width, int height);
 118     virtual wxSize DoGetBestSize() const;
 119     virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const;
 120     virtual void DoGetSize(int *width, int *height) const;
 121     virtual void DoGetClientSize(int *x, int *y) const;
 122 #if wxUSE_TOOLTIPS
 123     virtual void DoSetToolTip( wxToolTip *tip );
 124 #endif // wxUSE_TOOLTIPS
 125
 126     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 127     virtual bool MSWOnScroll(int orientation, WXWORD wParam,
 128                              WXWORD pos, WXHWND control);
 129
 130     // handle processing of special keys
 131     void OnChar(wxKeyEvent& event);
 132     void OnSetFocus(wxFocusEvent& event);
 133     void OnKillFocus(wxFocusEvent& event);
 134
 135     // generate spin control update event with the given value
 136     void SendSpinUpdate(int value);
 137
 138     // called to ensure that the value is in the correct range
 139     virtual void NormalizeValue();
 140
 141
 142     // the value of the control before the latest change (which might not have
 143     // changed anything in fact -- this is why we need this field)
 144     int m_oldValue;
 145
 146     // the data for the "buddy" text ctrl
 147     WXHWND     m_hwndBuddy;
 148     WXFARPROC  m_wndProcBuddy;
 149
 150     // Block text update event after SetValue()
 151     bool m_blockEvent;
 152
 153 private:
 154     // Common part of all ctors.
 155     void Init();
 156
 157     // Adjust the text control style depending on whether we need to enter only
 158     // digits or may need to enter something else (e.g. "-" sign, "x"
 159     // hexadecimal prefix, ...) in it.
 160     void UpdateBuddyStyle();
 161
 162
 163     DECLARE_DYNAMIC_CLASS(wxSpinCtrl)
 164     DECLARE_EVENT_TABLE()
 165     wxDECLARE_NO_COPY_CLASS(wxSpinCtrl);
 166 };
 167
 168 #endif // wxUSE_SPINCTRL
 169
 170 #endif // _WX_MSW_SPINCTRL_H_
 171
 172