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) wxWindows team
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_STATUSBR_H_BASE_
  13 #define _WX_STATUSBR_H_BASE_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16     #pragma interface "statbar.h"
  17 #endif
  18
  19 #include "wx/window.h"
  20
  21 #if wxUSE_STATUSBAR
  22
  23 #include "wx/list.h"
  24
  25 WX_DECLARE_LIST(wxString, wxListString);
  26
  27 // ----------------------------------------------------------------------------
  28 // wxStatusBar: a window near the bottom of the frame used for status info
  29 // ----------------------------------------------------------------------------
  30
  31 class WXDLLEXPORT wxStatusBarBase : public wxWindow
  32 {
  33 public:
  34     wxStatusBarBase();
  35
  36     virtual ~wxStatusBarBase();
  37
  38     // field count
  39     // -----------
  40
  41     // set the number of fields and call SetStatusWidths(widths) if widths are
  42     // given
  43     virtual void SetFieldsCount(int number = 1, const int *widths = NULL);
  44     int GetFieldsCount() const { return m_nFields; }
  45
  46     // field text
  47     // ----------
  48
  49     virtual void SetStatusText(const wxString& text, int number = 0) = 0;
  50     virtual wxString GetStatusText(int number = 0) const = 0;
  51
  52     void PushStatusText(const wxString& text, int number = 0);
  53     void PopStatusText(int number = 0);
  54
  55     // fields widths
  56     // -------------
  57
  58     // set status field widths as absolute numbers: positive widths mean that
  59     // the field has the specified absolute width, negative widths are
  60     // interpreted as the sizer options, i.e. the extra space (total space
  61     // minus the sum of fixed width fields) is divided between the fields with
  62     // negative width according to the abs value of the width (field with width
  63     // -2 grows twice as much as one with width -1 &c)
  64     virtual void SetStatusWidths(int n, const int widths[]);
  65
  66     // geometry
  67     // --------
  68
  69     // Get the position and size of the field's internal bounding rectangle
  70     virtual bool GetFieldRect(int i, wxRect& rect) const = 0;
  71
  72     // sets the minimal vertical size of the status bar
  73     virtual void SetMinHeight(int height) = 0;
  74
  75     // get the dimensions of the horizontal and vertical borders
  76     virtual int GetBorderX() const = 0;
  77     virtual int GetBorderY() const = 0;
  78
  79     // don't want status bars to accept the focus at all
  80     virtual bool AcceptsFocus() const { return FALSE; }
  81
  82 protected:
  83     // set the widths array to NULL
  84     void InitWidths();
  85
  86     // free the status widths arrays
  87     void FreeWidths();
  88
  89     // reset the widths
  90     void ReinitWidths() { FreeWidths(); InitWidths(); }
  91
  92     // same, for text stacks
  93     void InitStacks();
  94     void FreeStacks();
  95     void ReinitStacks() { FreeStacks(); InitStacks(); }
  96
  97     // calculate the real field widths for the given total available size
  98     wxArrayInt CalculateAbsWidths(wxCoord widthTotal) const;
  99
 100     // use these functions to access the stacks of field strings
 101     wxListString *GetStatusStack(int i) const;
 102     wxListString *GetOrCreateStatusStack(int i);
 103
 104     // the current number of fields
 105     int        m_nFields;
 106
 107     // the widths of the fields in pixels if !NULL, all fields have the same
 108     // width otherwise
 109     int       *m_statusWidths;
 110
 111     // stacks of previous values for PushStatusText/PopStatusText
 112     // this is created on demand, use GetStatusStack/GetOrCreateStatusStack
 113     wxListString **m_statusTextStacks;
 114 };
 115
 116 // ----------------------------------------------------------------------------
 117 // include the actual wxStatusBar class declaration
 118 // ----------------------------------------------------------------------------
 119
 120 #if defined(__WXUNIVERSAL__)
 121     #define wxStatusBarUniv wxStatusBar
 122     #define sm_classwxStatusBarUniv sm_classwxStatusBar
 123
 124     #include "wx/univ/statusbr.h"
 125 #elif defined(__WIN32__) && wxUSE_NATIVE_STATUSBAR
 126     #define wxStatusBar95 wxStatusBar
 127     #define sm_classwxStatusBar95 sm_classwxStatusBar
 128
 129     #include "wx/msw/statbr95.h"
 130 #elif defined(__WXMAC__)
 131     #define wxStatusBarMac wxStatusBar
 132     #define sm_classwxStatusBarMac sm_classwxStatusBar
 133
 134     #include "wx/generic/statusbr.h"
 135     #include "wx/mac/statusbr.h"
 136 #else
 137     #define wxStatusBarGeneric wxStatusBar
 138     #define sm_classwxStatusBarGeneric sm_classwxStatusBar
 139
 140     #include "wx/generic/statusbr.h"
 141 #endif
 142
 143 #endif // wxUSE_STATUSBAR
 144
 145 #endif
 146     // _WX_STATUSBR_H_BASE_