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 char) wxStatusBarNameStr[];
  24
  25 // ----------------------------------------------------------------------------
  26 // wxStatusBar constants
  27 // ----------------------------------------------------------------------------
  28
  29 // style flags for fields
  30 #define wxSB_NORMAL    0x0000
  31 #define wxSB_FLAT      0x0001
  32 #define wxSB_RAISED    0x0002
  33
  34 // ----------------------------------------------------------------------------
  35 // wxStatusBarPane: an helper for wxStatusBar
  36 // ----------------------------------------------------------------------------
  37
  38 class wxStatusBarPane
  39 {
  40     // only wxStatusBarBase can access our internal members and modify them:
  41     friend class WXDLLIMPEXP_FWD_CORE wxStatusBarBase;
  42
  43 public:
  44     wxStatusBarPane(int style = wxSB_NORMAL, size_t width = 0)
  45         : m_nStyle(style), m_nWidth(width) { m_arrStack.Add(wxEmptyString); }
  46
  47     int GetWidth() const
  48         { return m_nWidth; }
  49     int GetStyle() const
  50         { return m_nStyle; }
  51
  52     const wxArrayString& GetStack() const
  53         { return m_arrStack; }
  54
  55     // use wxStatusBar setter functions to modify a wxStatusBarPane
  56
  57 protected:
  58     int m_nStyle;
  59     int m_nWidth;     // the width maybe negative, indicating a variable-width field
  60
  61     // this is the array of the stacked strings of this pane; note that this
  62     // stack does include also the string currently displayed in this pane
  63     // as the version stored in the native status bar control is possibly
  64     // ellipsized; note that arrStack.Last() is the top of the stack
  65     // (i.e. the string shown in the status bar)
  66     wxArrayString m_arrStack;
  67 };
  68
  69 WX_DECLARE_OBJARRAY(wxStatusBarPane, wxStatusBarPaneArray);
  70
  71 // ----------------------------------------------------------------------------
  72 // wxStatusBar: a window near the bottom of the frame used for status info
  73 // ----------------------------------------------------------------------------
  74
  75 class WXDLLIMPEXP_CORE wxStatusBarBase : public wxWindow
  76 {
  77 public:
  78     wxStatusBarBase();
  79
  80     virtual ~wxStatusBarBase();
  81
  82     // field count
  83     // -----------
  84
  85     // set the number of fields and call SetStatusWidths(widths) if widths are
  86     // given
  87     virtual void SetFieldsCount(int number = 1, const int *widths = NULL);
  88     int GetFieldsCount() const { return m_panes.GetCount(); }
  89
  90     // field text
  91     // ----------
  92
  93     virtual void SetStatusText(const wxString& text, int number = 0)
  94         { m_panes[number].GetStack().Last() = text; }
  95     virtual wxString GetStatusText(int number = 0) const
  96         { return m_panes[number].GetStack().Last(); }
  97     const wxArrayString& GetStatusStack(int n) const
  98         { return m_panes[n].GetStack(); }
  99
 100     void PushStatusText(const wxString& text, int number = 0);
 101     void PopStatusText(int number = 0);
 102
 103     // fields widths
 104     // -------------
 105
 106     // set status field widths as absolute numbers: positive widths mean that
 107     // the field has the specified absolute width, negative widths are
 108     // interpreted as the sizer options, i.e. the extra space (total space
 109     // minus the sum of fixed width fields) is divided between the fields with
 110     // negative width according to the abs value of the width (field with width
 111     // -2 grows twice as much as one with width -1 &c)
 112     virtual void SetStatusWidths(int n, const int widths[]);
 113
 114     int GetStatusWidth(int n) const
 115         { return m_panes[n].GetWidth(); }
 116
 117     // field styles
 118     // ------------
 119
 120     // Set the field style. Use either wxSB_NORMAL (default) for a standard 3D
 121     // border around a field, wxSB_FLAT for no border around a field, so that it
 122     // appears flat or wxSB_POPOUT to make the field appear raised.
 123     // Setting field styles only works on wxMSW
 124     virtual void SetStatusStyles(int n, const int styles[]);
 125
 126     int GetStatusStyle(int n) const
 127         { return m_panes[n].GetStyle(); }
 128
 129     // geometry
 130     // --------
 131
 132     // Get the position and size of the field's internal bounding rectangle
 133     virtual bool GetFieldRect(int i, wxRect& rect) const = 0;
 134
 135     // sets the minimal vertical size of the status bar
 136     virtual void SetMinHeight(int height) = 0;
 137
 138     // get the dimensions of the horizontal and vertical borders
 139     virtual int GetBorderX() const = 0;
 140     virtual int GetBorderY() const = 0;
 141
 142     // miscellaneous
 143     // -------------
 144
 145     const wxStatusBarPane& GetField(int n) const
 146         { return m_panes[n]; }
 147
 148     // wxWindow overrides:
 149
 150     // don't want status bars to accept the focus at all
 151     virtual bool AcceptsFocus() const { return false; }
 152
 153     // the client size of a toplevel window doesn't include the status bar
 154     virtual bool CanBeOutsideClientArea() const { return true; }
 155
 156 protected:
 157     virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
 158
 159     // calculate the real field widths for the given total available size
 160     wxArrayInt CalculateAbsWidths(wxCoord widthTotal) const;
 161
 162     // the array with the pane infos:
 163     wxStatusBarPaneArray m_panes;
 164
 165     // if true overrides the width info of the wxStatusBarPanes
 166     bool m_bSameWidthForAllPanes;
 167
 168     wxDECLARE_NO_COPY_CLASS(wxStatusBarBase);
 169 };
 170
 171 // ----------------------------------------------------------------------------
 172 // include the actual wxStatusBar class declaration
 173 // ----------------------------------------------------------------------------
 174
 175 #if defined(__WXUNIVERSAL__)
 176     #define wxStatusBarUniv wxStatusBar
 177     #include "wx/univ/statusbr.h"
 178 #elif defined(__WXPALMOS__)
 179     #define wxStatusBarPalm wxStatusBar
 180     #include "wx/palmos/statusbr.h"
 181 #elif defined(__WIN32__) && wxUSE_NATIVE_STATUSBAR
 182     #include "wx/msw/statusbar.h"
 183 #elif defined(__WXMAC__)
 184     #define wxStatusBarMac wxStatusBar
 185     #include "wx/generic/statusbr.h"
 186     #include "wx/osx/statusbr.h"
 187 #else
 188     #define wxStatusBarGeneric wxStatusBar
 189     #include "wx/generic/statusbr.h"
 190 #endif
 191
 192 #endif // wxUSE_STATUSBAR
 193
 194 #endif
 195     // _WX_STATUSBR_H_BASE_