include/wx/statusbr.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/statusbr.h
   3 // Purpose:     wxStatusBar class interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     05.02.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_STATUSBR_H_BASE_
  13 #define _WX_STATUSBR_H_BASE_
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_STATUSBAR
  18
  19 #include "wx/window.h"
  20 #include "wx/list.h"
  21 #include "wx/dynarray.h"
  22
  23 extern WXDLLIMPEXP_DATA_CORE(const wxChar) wxStatusBarNameStr[];
  24
  25 WX_DECLARE_LIST(wxString, wxListString);
  26
  27 // ----------------------------------------------------------------------------
  28 // wxStatusBar constants
  29 // ----------------------------------------------------------------------------
  30
  31 // style flags for fields
  32 #define wxSB_NORMAL    0x0000
  33 #define wxSB_FLAT      0x0001
  34 #define wxSB_RAISED    0x0002
  35
  36 // ----------------------------------------------------------------------------
  37 // wxStatusBar: a window near the bottom of the frame used for status info
  38 // ----------------------------------------------------------------------------
  39
  40 class WXDLLEXPORT wxStatusBarBase : public wxWindow
  41 {
  42 public:
  43     wxStatusBarBase();
  44
  45     virtual ~wxStatusBarBase();
  46
  47     // field count
  48     // -----------
  49
  50     // set the number of fields and call SetStatusWidths(widths) if widths are
  51     // given
  52     virtual void SetFieldsCount(int number = 1, const int *widths = NULL);
  53     int GetFieldsCount() const { return m_nFields; }
  54
  55     // field text
  56     // ----------
  57
  58     virtual void SetStatusText(const wxString& text, int number = 0) = 0;
  59     virtual wxString GetStatusText(int number = 0) const = 0;
  60
  61     void PushStatusText(const wxString& text, int number = 0);
  62     void PopStatusText(int number = 0);
  63
  64     // fields widths
  65     // -------------
  66
  67     // set status field widths as absolute numbers: positive widths mean that
  68     // the field has the specified absolute width, negative widths are
  69     // interpreted as the sizer options, i.e. the extra space (total space
  70     // minus the sum of fixed width fields) is divided between the fields with
  71     // negative width according to the abs value of the width (field with width
  72     // -2 grows twice as much as one with width -1 &c)
  73     virtual void SetStatusWidths(int n, const int widths[]);
  74
  75     // field styles
  76     // ------------
  77
  78     // Set the field style. Use either wxSB_NORMAL (default) for a standard 3D
  79     // border around a field, wxSB_FLAT for no border around a field, so that it
  80     // appears flat or wxSB_POPOUT to make the field appear raised.
  81     // Setting field styles only works on wxMSW
  82     virtual void SetStatusStyles(int n, const int styles[]);
  83
  84     // geometry
  85     // --------
  86
  87     // Get the position and size of the field's internal bounding rectangle
  88     virtual bool GetFieldRect(int i, wxRect& rect) const = 0;
  89
  90     // sets the minimal vertical size of the status bar
  91     virtual void SetMinHeight(int height) = 0;
  92
  93     // get the dimensions of the horizontal and vertical borders
  94     virtual int GetBorderX() const = 0;
  95     virtual int GetBorderY() const = 0;
  96
  97     // don't want status bars to accept the focus at all
  98     virtual bool AcceptsFocus() const { return false; }
  99
 100 protected:
 101     // set the widths array to NULL
 102     void InitWidths();
 103
 104     // free the status widths arrays
 105     void FreeWidths();
 106
 107     // reset the widths
 108     void ReinitWidths() { FreeWidths(); InitWidths(); }
 109
 110     // same, for field styles
 111     void InitStyles();
 112     void FreeStyles();
 113     void ReinitStyles() { FreeStyles(); InitStyles(); }
 114
 115     // same, for text stacks
 116     void InitStacks();
 117     void FreeStacks();
 118     void ReinitStacks() { FreeStacks(); InitStacks(); }
 119
 120     // calculate the real field widths for the given total available size
 121     wxArrayInt CalculateAbsWidths(wxCoord widthTotal) const;
 122
 123     // use these functions to access the stacks of field strings
 124     wxListString *GetStatusStack(int i) const;
 125     wxListString *GetOrCreateStatusStack(int i);
 126
 127     // the current number of fields
 128     int        m_nFields;
 129
 130     // the widths of the fields in pixels if !NULL, all fields have the same
 131     // width otherwise
 132     int       *m_statusWidths;
 133
 134     // the styles of the fields
 135     int       *m_statusStyles;
 136
 137     // stacks of previous values for PushStatusText/PopStatusText
 138     // this is created on demand, use GetStatusStack/GetOrCreateStatusStack
 139     wxListString **m_statusTextStacks;
 140
 141     DECLARE_NO_COPY_CLASS(wxStatusBarBase)
 142 };
 143
 144 // ----------------------------------------------------------------------------
 145 // include the actual wxStatusBar class declaration
 146 // ----------------------------------------------------------------------------
 147
 148 #if defined(__WXUNIVERSAL__)
 149     #define wxStatusBarUniv wxStatusBar
 150
 151     #include "wx/univ/statusbr.h"
 152 #elif defined(__WXPALMOS__)
 153     #define wxStatusBarPalm wxStatusBar
 154
 155     #include "wx/palmos/statusbr.h"
 156 #elif defined(__WIN32__) && wxUSE_NATIVE_STATUSBAR
 157     #define wxStatusBar95 wxStatusBar
 158
 159     #include "wx/msw/statbr95.h"
 160 #elif defined(__WXMAC__)
 161     #define wxStatusBarMac wxStatusBar
 162
 163     #include "wx/generic/statusbr.h"
 164     #include "wx/mac/statusbr.h"
 165 #else
 166     #define wxStatusBarGeneric wxStatusBar
 167
 168     #include "wx/generic/statusbr.h"
 169 #endif
 170
 171 #endif // wxUSE_STATUSBAR
 172
 173 #endif
 174     // _WX_STATUSBR_H_BASE_