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