include/wx/radiobox.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/radiobox.h
   3 // Purpose:     wxRadioBox declaration
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     10.09.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_RADIOBOX_H_BASE_
  13 #define _WX_RADIOBOX_H_BASE_
  14
  15 #if wxUSE_RADIOBOX
  16
  17 #include "wx/ctrlsub.h"
  18
  19 #if wxUSE_TOOLTIPS
  20
  21 #include "wx/dynarray.h"
  22
  23 class WXDLLEXPORT wxToolTip;
  24
  25 WX_DEFINE_EXPORTED_ARRAY_PTR(wxToolTip *, wxToolTipArray);
  26
  27 #endif // wxUSE_TOOLTIPS
  28
  29 extern WXDLLEXPORT_DATA(const wxChar) wxRadioBoxNameStr[];
  30
  31 // ----------------------------------------------------------------------------
  32 // wxRadioBoxBase is not a normal base class, but rather a mix-in because the
  33 // real wxRadioBox derives from different classes on different platforms: for
  34 // example, it is a wxStaticBox in wxUniv and wxMSW but not in other ports
  35 // ----------------------------------------------------------------------------
  36
  37 class WXDLLEXPORT wxRadioBoxBase : public wxItemContainerImmutable
  38 {
  39 public:
  40     virtual ~wxRadioBoxBase();
  41
  42     // change/query the individual radio button state
  43     virtual bool Enable(unsigned int n, bool enable = true) = 0;
  44     virtual bool Show(unsigned int n, bool show = true) = 0;
  45     virtual bool IsItemEnabled(unsigned int n) const = 0;
  46     virtual bool IsItemShown(unsigned int n) const = 0;
  47
  48     // return number of columns/rows in this radiobox
  49     unsigned int GetColumnCount() const { return m_numCols; }
  50     unsigned int GetRowCount() const { return m_numRows; }
  51
  52     // return the item above/below/to the left/right of the given one
  53     int GetNextItem(int item, wxDirection dir, long style) const;
  54
  55 #if wxUSE_TOOLTIPS
  56     // set the tooltip text for a radio item, empty string unsets any tooltip
  57     void SetItemToolTip(unsigned int item, const wxString& text);
  58
  59     // get the individual items tooltip; returns NULL if none
  60     wxToolTip *GetItemToolTip(unsigned int item) const
  61         { return m_itemsTooltips ? (*m_itemsTooltips)[item] : NULL; }
  62 #endif // wxUSE_TOOLTIPS
  63
  64 #if wxUSE_HELP
  65     // set helptext for a particular item, pass an empty string to erase it
  66     void SetItemHelpText(unsigned int n, const wxString& helpText);
  67
  68     // retrieve helptext for a particular item, empty string means no help text
  69     wxString GetItemHelpText(unsigned int n) const;
  70 #else // wxUSE_HELP
  71     // just silently ignore the help text, it's better than requiring using
  72     // conditional compilation in all code using this function
  73     void SetItemHelpText(unsigned int WXUNUSED(n),
  74                          const wxString& WXUNUSED(helpText))
  75     {
  76     }
  77 #endif // wxUSE_HELP
  78
  79     // returns the radio item at the given position or wxNOT_FOUND if none
  80     // (currently implemented only under MSW and GTK)
  81     virtual int GetItemFromPoint(const wxPoint& WXUNUSED(pt)) const
  82     {
  83         return wxNOT_FOUND;
  84     }
  85
  86
  87 protected:
  88     wxRadioBoxBase()
  89     {
  90         m_numCols =
  91         m_numRows =
  92         m_majorDim = 0;
  93
  94 #if wxUSE_TOOLTIPS
  95         m_itemsTooltips = NULL;
  96 #endif // wxUSE_TOOLTIPS
  97     }
  98
  99     // return the number of items in major direction (which depends on whether
 100     // we have wxRA_SPECIFY_COLS or wxRA_SPECIFY_ROWS style)
 101     unsigned int GetMajorDim() const { return m_majorDim; }
 102
 103     // sets m_majorDim and also updates m_numCols/Rows
 104     //
 105     // the style parameter should be the style of the radiobox itself
 106     void SetMajorDim(unsigned int majorDim, long style);
 107
 108 #if wxUSE_TOOLTIPS
 109     // called from SetItemToolTip() to really set the tooltip for the specified
 110     // item in the box (or, if tooltip is NULL, to remove any existing one).
 111     //
 112     // NB: this function should really be pure virtual but to avoid breaking
 113     //     the build of the ports for which it's not implemented yet we provide
 114     //     an empty stub in the base class for now
 115     virtual void DoSetItemToolTip(unsigned int item, wxToolTip *tooltip);
 116
 117     // returns true if we have any item tooltips
 118     bool HasItemToolTips() const { return m_itemsTooltips != NULL; }
 119 #endif // wxUSE_TOOLTIPS
 120
 121 #if wxUSE_HELP
 122     // Retrieve help text for an item: this is a helper for the implementation
 123     // of wxWindow::GetHelpTextAtPoint() in the real radiobox class
 124     wxString DoGetHelpTextAtPoint(const wxWindow *derived,
 125                                   const wxPoint& pt,
 126                                   wxHelpEvent::Origin origin) const;
 127 #endif // wxUSE_HELP
 128
 129 private:
 130     // the number of elements in major dimension (i.e. number of columns if
 131     // wxRA_SPECIFY_COLS or the number of rows if wxRA_SPECIFY_ROWS) and also
 132     // the number of rows/columns calculated from it
 133     unsigned int m_majorDim,
 134                  m_numCols,
 135                  m_numRows;
 136
 137 #if wxUSE_TOOLTIPS
 138     // array of tooltips for the individual items
 139     //
 140     // this array is initially NULL and initialized on first use
 141     wxToolTipArray *m_itemsTooltips;
 142 #endif
 143
 144 #if wxUSE_HELP
 145     // help text associated with a particular item or empty string if none
 146     wxArrayString m_itemsHelpTexts;
 147 #endif // wxUSE_HELP
 148 };
 149
 150 #if defined(__WXUNIVERSAL__)
 151     #include "wx/univ/radiobox.h"
 152 #elif defined(__WXMSW__)
 153     #include "wx/msw/radiobox.h"
 154 #elif defined(__WXMOTIF__)
 155     #include "wx/motif/radiobox.h"
 156 #elif defined(__WXGTK20__)
 157     #include "wx/gtk/radiobox.h"
 158 #elif defined(__WXGTK__)
 159     #include "wx/gtk1/radiobox.h"
 160 #elif defined(__WXMAC__)
 161     #include "wx/mac/radiobox.h"
 162 #elif defined(__WXCOCOA__)
 163     #include "wx/cocoa/radiobox.h"
 164 #elif defined(__WXPM__)
 165     #include "wx/os2/radiobox.h"
 166 #elif defined(__WXPALMOS__)
 167     #include "wx/palmos/radiobox.h"
 168 #endif
 169
 170 #endif // wxUSE_RADIOBOX
 171
 172 #endif // _WX_RADIOBOX_H_BASE_