src/msw/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/stattext.cpp
   3 // Purpose:     wxStaticText
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "stattext.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_STATTEXT
  24
  25 #ifndef WX_PRECOMP
  26 #include "wx/event.h"
  27 #include "wx/app.h"
  28 #include "wx/brush.h"
  29 #endif
  30
  31 #include "wx/stattext.h"
  32 #include "wx/msw/private.h"
  33 #include <stdio.h>
  34
  35 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  36 /*
  37         TODO PROPERTIES :
  38                 label
  39 */
  40
  41 bool wxStaticText::Create(wxWindow *parent,
  42                           wxWindowID id,
  43                           const wxString& label,
  44                           const wxPoint& pos,
  45                           const wxSize& size,
  46                           long style,
  47                           const wxString& name)
  48 {
  49     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
  50         return FALSE;
  51
  52     if ( !MSWCreateControl(wxT("STATIC"), label, pos, size) )
  53         return FALSE;
  54
  55     return TRUE;
  56 }
  57
  58 wxBorder wxStaticText::GetDefaultBorder() const
  59 {
  60     return wxBORDER_NONE;
  61 }
  62
  63 WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const
  64 {
  65     WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
  66
  67     // translate the alignment flags to the Windows ones
  68     //
  69     // note that both wxALIGN_LEFT and SS_LEFT are equal to 0 so we shouldn't
  70     // test for them using & operator
  71     if ( style & wxALIGN_CENTRE )
  72         msStyle |= SS_CENTER;
  73     else if ( style & wxALIGN_RIGHT )
  74         msStyle |= SS_RIGHT;
  75     else
  76         msStyle |= SS_LEFT;
  77
  78     return msStyle;
  79 }
  80
  81 wxSize wxStaticText::DoGetBestSize() const
  82 {
  83     wxString text(wxGetWindowText(GetHWND()));
  84
  85     int widthTextMax = 0, widthLine,
  86         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
  87
  88     bool lastWasAmpersand = FALSE;
  89
  90     wxString curLine;
  91     for ( const wxChar *pc = text; ; pc++ )
  92     {
  93         if ( *pc == wxT('\n') || *pc == wxT('\0') )
  94         {
  95             if ( !curLine )
  96             {
  97                 // we can't use GetTextExtent - it will return 0 for both width
  98                 // and height and an empty line should count in height
  99                 // calculation
 100                 if ( !heightLineDefault )
 101                     heightLineDefault = heightLine;
 102                 if ( !heightLineDefault )
 103                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 104
 105                 heightTextTotal += heightLineDefault;
 106             }
 107             else
 108             {
 109                 GetTextExtent(curLine, &widthLine, &heightLine);
 110                 if ( widthLine > widthTextMax )
 111                     widthTextMax = widthLine;
 112                 heightTextTotal += heightLine;
 113             }
 114
 115             if ( *pc == wxT('\n') )
 116             {
 117                curLine.Empty();
 118             }
 119             else
 120             {
 121                // the end of string
 122                break;
 123             }
 124         }
 125         else
 126         {
 127             // we shouldn't take into account the '&' which just introduces the
 128             // mnemonic characters and so are not shown on the screen -- except
 129             // when it is preceded by another '&' in which case it stands for a
 130             // literal ampersand
 131             if ( *pc == _T('&') )
 132             {
 133                 if ( !lastWasAmpersand )
 134                 {
 135                     lastWasAmpersand = TRUE;
 136
 137                     // skip the statement adding pc to curLine below
 138                     continue;
 139                 }
 140
 141                 // it is a literal ampersand
 142                 lastWasAmpersand = FALSE;
 143             }
 144
 145             curLine += *pc;
 146         }
 147     }
 148
 149     return wxSize(widthTextMax, heightTextTotal);
 150 }
 151
 152 void wxStaticText::DoSetSize(int x, int y, int w, int h, int sizeFlags)
 153 {
 154     // we need to refresh the window after changing its size as the standard
 155     // control doesn't always update itself properly
 156     wxStaticTextBase::DoSetSize(x, y, w, h, sizeFlags);
 157
 158     Refresh();
 159 }
 160
 161 void wxStaticText::SetLabel(const wxString& label)
 162 {
 163     wxStaticTextBase::SetLabel(label);
 164
 165     // adjust the size of the window to fit to the label unless autoresizing is
 166     // disabled
 167     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 168     {
 169         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 170     }
 171 }
 172
 173
 174 bool wxStaticText::SetFont(const wxFont& font)
 175 {
 176     bool ret = wxControl::SetFont(font);
 177
 178     // adjust the size of the window to fit to the label unless autoresizing is
 179     // disabled
 180     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 181     {
 182         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 183     }
 184
 185     return ret;
 186 }
 187
 188 #endif // wxUSE_STATTEXT