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 wxSTB_SIZEGRIP         0x0010
  31 #define wxSTB_SHOW_TIPS        0x0020
  32
  33 #define wxSTB_ELLIPSIZE_START   0x0040
  34 #define wxSTB_ELLIPSIZE_MIDDLE  0x0080
  35 #define wxSTB_ELLIPSIZE_END     0x0100
  36
  37 #define wxSTB_DEFAULT_STYLE    (wxSTB_SIZEGRIP|wxSTB_ELLIPSIZE_END|wxSTB_SHOW_TIPS|wxFULL_REPAINT_ON_RESIZE)
  38
  39
  40 // old compat style name:
  41 #define wxST_SIZEGRIP    wxSTB_SIZEGRIP
  42
  43
  44 // style flags for wxStatusBar fields
  45 #define wxSB_NORMAL    0x0000
  46 #define wxSB_FLAT      0x0001
  47 #define wxSB_RAISED    0x0002
  48
  49 // ----------------------------------------------------------------------------
  50 // wxStatusBarPane: an helper for wxStatusBar
  51 // ----------------------------------------------------------------------------
  52
  53 class WXDLLIMPEXP_CORE wxStatusBarPane
  54 {
  55     // only wxStatusBarBase can access our internal members and modify them:
  56     friend class WXDLLIMPEXP_FWD_CORE wxStatusBarBase;
  57
  58 public:
  59     wxStatusBarPane(int style = wxSB_NORMAL, size_t width = 0)
  60         : m_nStyle(style), m_nWidth(width)
  61         { m_arrStack.Add(wxEmptyString); m_bEllipsized=false; }
  62
  63     int GetWidth() const
  64         { return m_nWidth; }
  65     int GetStyle() const
  66         { return m_nStyle; }
  67
  68     const wxArrayString& GetStack() const
  69         { return m_arrStack; }
  70
  71     // implementation-only getter:
  72     bool IsEllipsized() const
  73         { return m_bEllipsized; }
  74
  75     // NOTE: there are no setters in wxStatusBarPane;
  76     //       use wxStatusBar functions to modify a wxStatusBarPane
  77
  78 protected:
  79     int m_nStyle;
  80     int m_nWidth;     // the width maybe negative, indicating a variable-width field
  81
  82     // this is the array of the stacked strings of this pane; note that this
  83     // stack does include also the string currently displayed in this pane
  84     // as the version stored in the native status bar control is possibly
  85     // ellipsized; note that m_arrStack.Last() is the top of the stack
  86     // (i.e. the string shown in the status bar)
  87     wxArrayString m_arrStack;
  88
  89     // was the m_arrStack.Last() string shown in the status bar control ellipsized?
  90     bool m_bEllipsized;
  91 };
  92
  93 WX_DECLARE_OBJARRAY(wxStatusBarPane, wxStatusBarPaneArray);
  94
  95 // ----------------------------------------------------------------------------
  96 // wxStatusBar: a window near the bottom of the frame used for status info
  97 // ----------------------------------------------------------------------------
  98
  99 class WXDLLIMPEXP_CORE wxStatusBarBase : public wxWindow
 100 {
 101 public:
 102     wxStatusBarBase();
 103
 104     virtual ~wxStatusBarBase();
 105
 106     // field count
 107     // -----------
 108
 109     // set the number of fields and call SetStatusWidths(widths) if widths are
 110     // given
 111     virtual void SetFieldsCount(int number = 1, const int *widths = NULL);
 112     int GetFieldsCount() const { return m_panes.GetCount(); }
 113
 114     // field text
 115     // ----------
 116
 117     // NOTE: even if it is not pure virtual, SetStatusText() must be overloaded by
 118     //       the derived classes to update the given text in the native control
 119     virtual void SetStatusText(const wxString& text, int number = 0)
 120         { m_panes[number].GetStack().Last() = text; }
 121     virtual wxString GetStatusText(int number = 0) const
 122         { return m_panes[number].GetStack().Last(); }
 123     const wxArrayString& GetStatusStack(int n) const
 124         { return m_panes[n].GetStack(); }
 125
 126     void PushStatusText(const wxString& text, int number = 0);
 127     void PopStatusText(int number = 0);
 128
 129     // fields widths
 130     // -------------
 131
 132     // set status field widths as absolute numbers: positive widths mean that
 133     // the field has the specified absolute width, negative widths are
 134     // interpreted as the sizer options, i.e. the extra space (total space
 135     // minus the sum of fixed width fields) is divided between the fields with
 136     // negative width according to the abs value of the width (field with width
 137     // -2 grows twice as much as one with width -1 &c)
 138     virtual void SetStatusWidths(int n, const int widths[]);
 139
 140     int GetStatusWidth(int n) const
 141         { return m_panes[n].GetWidth(); }
 142
 143     // field styles
 144     // ------------
 145
 146     // Set the field style. Use either wxSB_NORMAL (default) for a standard 3D
 147     // border around a field, wxSB_FLAT for no border around a field, so that it
 148     // appears flat or wxSB_POPOUT to make the field appear raised.
 149     // Setting field styles only works on wxMSW
 150     virtual void SetStatusStyles(int n, const int styles[]);
 151
 152     int GetStatusStyle(int n) const
 153         { return m_panes[n].GetStyle(); }
 154
 155     // geometry
 156     // --------
 157
 158     // Get the position and size of the field's internal bounding rectangle
 159     virtual bool GetFieldRect(int i, wxRect& rect) const = 0;
 160
 161     // sets the minimal vertical size of the status bar
 162     virtual void SetMinHeight(int height) = 0;
 163
 164     // get the dimensions of the horizontal and vertical borders
 165     virtual int GetBorderX() const = 0;
 166     virtual int GetBorderY() const = 0;
 167
 168     wxSize GetBorders() const
 169         { return wxSize(GetBorderX(), GetBorderY()); }
 170
 171     // miscellaneous
 172     // -------------
 173
 174     const wxStatusBarPane& GetField(int n) const
 175         { return m_panes[n]; }
 176
 177     // wxWindow overrides:
 178
 179     // don't want status bars to accept the focus at all
 180     virtual bool AcceptsFocus() const { return false; }
 181
 182     // the client size of a toplevel window doesn't include the status bar
 183     virtual bool CanBeOutsideClientArea() const { return true; }
 184
 185 protected:
 186     virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
 187
 188     // calculate the real field widths for the given total available size
 189     wxArrayInt CalculateAbsWidths(wxCoord widthTotal) const;
 190
 191     // an internal utility used to keep track of which panes have labels
 192     // which were last rendered as ellipsized...
 193     void SetEllipsizedFlag(int n, bool ellipsized)
 194         { m_panes[n].m_bEllipsized = ellipsized; }
 195
 196     // the array with the pane infos:
 197     wxStatusBarPaneArray m_panes;
 198
 199     // if true overrides the width info of the wxStatusBarPanes
 200     bool m_bSameWidthForAllPanes;
 201
 202     wxDECLARE_NO_COPY_CLASS(wxStatusBarBase);
 203 };
 204
 205 // ----------------------------------------------------------------------------
 206 // include the actual wxStatusBar class declaration
 207 // ----------------------------------------------------------------------------
 208
 209 #if defined(__WXUNIVERSAL__)
 210     #define wxStatusBarUniv wxStatusBar
 211     #include "wx/univ/statusbr.h"
 212 #elif defined(__WXPALMOS__)
 213     #define wxStatusBarPalm wxStatusBar
 214     #include "wx/palmos/statusbr.h"
 215 #elif defined(__WIN32__) && wxUSE_NATIVE_STATUSBAR
 216     #include "wx/msw/statusbar.h"
 217 #elif defined(__WXMAC__)
 218     #define wxStatusBarMac wxStatusBar
 219     #include "wx/generic/statusbr.h"
 220     #include "wx/osx/statusbr.h"
 221 #else
 222     #define wxStatusBarGeneric wxStatusBar
 223     #include "wx/generic/statusbr.h"
 224 #endif
 225
 226 #endif // wxUSE_STATUSBAR
 227
 228 #endif
 229     // _WX_STATUSBR_H_BASE_