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 // wxStatusBar styles
  30 #define wxST_SIZEGRIP         0x0010
  31 #define wxST_SHOW_TIPS        0x0020
  32
  33 #define wxST_DEFAULT_STYLE    (wxST_SIZEGRIP|wxST_SHOW_TIPS|wxFULL_REPAINT_ON_RESIZE)
  34
  35 // style flags for fields
  36 #define wxSB_NORMAL    0x0000
  37 #define wxSB_FLAT      0x0001
  38 #define wxSB_RAISED    0x0002
  39
  40 // ----------------------------------------------------------------------------
  41 // wxStatusBarPane: an helper for wxStatusBar
  42 // ----------------------------------------------------------------------------
  43
  44 class WXDLLIMPEXP_CORE wxStatusBarPane
  45 {
  46     // only wxStatusBarBase can access our internal members and modify them:
  47     friend class WXDLLIMPEXP_FWD_CORE wxStatusBarBase;
  48
  49 public:
  50     wxStatusBarPane(int style = wxSB_NORMAL, size_t width = 0)
  51         : m_nStyle(style), m_nWidth(width)
  52         { m_arrStack.Add(wxEmptyString); m_bEllipsized=false; }
  53
  54     int GetWidth() const
  55         { return m_nWidth; }
  56     int GetStyle() const
  57         { return m_nStyle; }
  58
  59     const wxArrayString& GetStack() const
  60         { return m_arrStack; }
  61
  62     // implementation-only getter:
  63     bool IsEllipsized() const
  64         { return m_bEllipsized; }
  65
  66     // NOTE: there are no setters in wxStatusBarPane;
  67     //       use wxStatusBar functions to modify a wxStatusBarPane
  68
  69 protected:
  70     int m_nStyle;
  71     int m_nWidth;     // the width maybe negative, indicating a variable-width field
  72
  73     // this is the array of the stacked strings of this pane; note that this
  74     // stack does include also the string currently displayed in this pane
  75     // as the version stored in the native status bar control is possibly
  76     // ellipsized; note that m_arrStack.Last() is the top of the stack
  77     // (i.e. the string shown in the status bar)
  78     wxArrayString m_arrStack;
  79
  80     // was the m_arrStack.Last() string shown in the status bar control ellipsized?
  81     bool m_bEllipsized;
  82 };
  83
  84 WX_DECLARE_OBJARRAY(wxStatusBarPane, wxStatusBarPaneArray);
  85
  86 // ----------------------------------------------------------------------------
  87 // wxStatusBar: a window near the bottom of the frame used for status info
  88 // ----------------------------------------------------------------------------
  89
  90 class WXDLLIMPEXP_CORE wxStatusBarBase : public wxWindow
  91 {
  92 public:
  93     wxStatusBarBase();
  94
  95     virtual ~wxStatusBarBase();
  96
  97     // field count
  98     // -----------
  99
 100     // set the number of fields and call SetStatusWidths(widths) if widths are
 101     // given
 102     virtual void SetFieldsCount(int number = 1, const int *widths = NULL);
 103     int GetFieldsCount() const { return m_panes.GetCount(); }
 104
 105     // field text
 106     // ----------
 107
 108     // NOTE: even if it is not pure virtual, SetStatusText() must be overloaded by
 109     //       the derived classes to update the given text in the native control
 110     virtual void SetStatusText(const wxString& text, int number = 0)
 111         { m_panes[number].GetStack().Last() = text; }
 112     virtual wxString GetStatusText(int number = 0) const
 113         { return m_panes[number].GetStack().Last(); }
 114     const wxArrayString& GetStatusStack(int n) const
 115         { return m_panes[n].GetStack(); }
 116
 117     void PushStatusText(const wxString& text, int number = 0);
 118     void PopStatusText(int number = 0);
 119
 120     // fields widths
 121     // -------------
 122
 123     // set status field widths as absolute numbers: positive widths mean that
 124     // the field has the specified absolute width, negative widths are
 125     // interpreted as the sizer options, i.e. the extra space (total space
 126     // minus the sum of fixed width fields) is divided between the fields with
 127     // negative width according to the abs value of the width (field with width
 128     // -2 grows twice as much as one with width -1 &c)
 129     virtual void SetStatusWidths(int n, const int widths[]);
 130
 131     int GetStatusWidth(int n) const
 132         { return m_panes[n].GetWidth(); }
 133
 134     // field styles
 135     // ------------
 136
 137     // Set the field style. Use either wxSB_NORMAL (default) for a standard 3D
 138     // border around a field, wxSB_FLAT for no border around a field, so that it
 139     // appears flat or wxSB_POPOUT to make the field appear raised.
 140     // Setting field styles only works on wxMSW
 141     virtual void SetStatusStyles(int n, const int styles[]);
 142
 143     int GetStatusStyle(int n) const
 144         { return m_panes[n].GetStyle(); }
 145
 146     // geometry
 147     // --------
 148
 149     // Get the position and size of the field's internal bounding rectangle
 150     virtual bool GetFieldRect(int i, wxRect& rect) const = 0;
 151
 152     // sets the minimal vertical size of the status bar
 153     virtual void SetMinHeight(int height) = 0;
 154
 155     // get the dimensions of the horizontal and vertical borders
 156     virtual int GetBorderX() const = 0;
 157     virtual int GetBorderY() const = 0;
 158
 159     wxSize GetBorders() const
 160         { return wxSize(GetBorderX(), GetBorderY()); }
 161
 162     // miscellaneous
 163     // -------------
 164
 165     const wxStatusBarPane& GetField(int n) const
 166         { return m_panes[n]; }
 167
 168     // wxWindow overrides:
 169
 170     // don't want status bars to accept the focus at all
 171     virtual bool AcceptsFocus() const { return false; }
 172
 173     // the client size of a toplevel window doesn't include the status bar
 174     virtual bool CanBeOutsideClientArea() const { return true; }
 175
 176 protected:
 177     virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
 178
 179     // calculate the real field widths for the given total available size
 180     wxArrayInt CalculateAbsWidths(wxCoord widthTotal) const;
 181
 182     // an internal utility used to keep track of which panes have labels
 183     // which were last rendered as ellipsized...
 184     void SetEllipsizedFlag(int n, bool ellipsized)
 185         { m_panes[n].m_bEllipsized = ellipsized; }
 186
 187     // the array with the pane infos:
 188     wxStatusBarPaneArray m_panes;
 189
 190     // if true overrides the width info of the wxStatusBarPanes
 191     bool m_bSameWidthForAllPanes;
 192
 193     wxDECLARE_NO_COPY_CLASS(wxStatusBarBase);
 194 };
 195
 196 // ----------------------------------------------------------------------------
 197 // include the actual wxStatusBar class declaration
 198 // ----------------------------------------------------------------------------
 199
 200 #if defined(__WXUNIVERSAL__)
 201     #define wxStatusBarUniv wxStatusBar
 202     #include "wx/univ/statusbr.h"
 203 #elif defined(__WXPALMOS__)
 204     #define wxStatusBarPalm wxStatusBar
 205     #include "wx/palmos/statusbr.h"
 206 #elif defined(__WIN32__) && wxUSE_NATIVE_STATUSBAR
 207     #include "wx/msw/statusbar.h"
 208 #elif defined(__WXMAC__)
 209     #define wxStatusBarMac wxStatusBar
 210     #include "wx/generic/statusbr.h"
 211     #include "wx/osx/statusbr.h"
 212 #else
 213     #define wxStatusBarGeneric wxStatusBar
 214     #include "wx/generic/statusbr.h"
 215 #endif
 216
 217 #endif // wxUSE_STATUSBAR
 218
 219 #endif
 220     // _WX_STATUSBR_H_BASE_