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 #if wxUSE_EXTENDED_RTTI
  36 IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticText, wxControl,"wx/stattext.h")
  37
  38 WX_BEGIN_PROPERTIES_TABLE(wxStaticText)
  39         WX_PROPERTY_SET_BY_REF( Label,wxString, SetLabel, GetLabel, wxT("") )
  40 WX_END_PROPERTIES_TABLE()
  41
  42 WX_BEGIN_HANDLERS_TABLE(wxStaticText)
  43 WX_END_HANDLERS_TABLE()
  44
  45 WX_CONSTRUCTOR_6( wxStaticText , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
  46 #else
  47 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  48 #endif
  49
  50 bool wxStaticText::Create(wxWindow *parent,
  51                           wxWindowID id,
  52                           const wxString& label,
  53                           const wxPoint& pos,
  54                           const wxSize& size,
  55                           long style,
  56                           const wxString& name)
  57 {
  58     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
  59         return FALSE;
  60
  61     if ( !MSWCreateControl(wxT("STATIC"), label, pos, size) )
  62         return FALSE;
  63
  64     return TRUE;
  65 }
  66
  67 wxBorder wxStaticText::GetDefaultBorder() const
  68 {
  69     return wxBORDER_NONE;
  70 }
  71
  72 WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const
  73 {
  74     WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
  75
  76     // translate the alignment flags to the Windows ones
  77     //
  78     // note that both wxALIGN_LEFT and SS_LEFT are equal to 0 so we shouldn't
  79     // test for them using & operator
  80     if ( style & wxALIGN_CENTRE )
  81         msStyle |= SS_CENTER;
  82     else if ( style & wxALIGN_RIGHT )
  83         msStyle |= SS_RIGHT;
  84     else
  85         msStyle |= SS_LEFT;
  86
  87     return msStyle;
  88 }
  89
  90 wxSize wxStaticText::DoGetBestSize() const
  91 {
  92     wxString text(wxGetWindowText(GetHWND()));
  93
  94     int widthTextMax = 0, widthLine,
  95         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
  96
  97     bool lastWasAmpersand = FALSE;
  98
  99     wxString curLine;
 100     for ( const wxChar *pc = text; ; pc++ )
 101     {
 102         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 103         {
 104             if ( !curLine )
 105             {
 106                 // we can't use GetTextExtent - it will return 0 for both width
 107                 // and height and an empty line should count in height
 108                 // calculation
 109                 if ( !heightLineDefault )
 110                     heightLineDefault = heightLine;
 111                 if ( !heightLineDefault )
 112                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 113
 114                 heightTextTotal += heightLineDefault;
 115             }
 116             else
 117             {
 118                 GetTextExtent(curLine, &widthLine, &heightLine);
 119                 if ( widthLine > widthTextMax )
 120                     widthTextMax = widthLine;
 121                 heightTextTotal += heightLine;
 122             }
 123
 124             if ( *pc == wxT('\n') )
 125             {
 126                curLine.Empty();
 127             }
 128             else
 129             {
 130                // the end of string
 131                break;
 132             }
 133         }
 134         else
 135         {
 136             // we shouldn't take into account the '&' which just introduces the
 137             // mnemonic characters and so are not shown on the screen -- except
 138             // when it is preceded by another '&' in which case it stands for a
 139             // literal ampersand
 140             if ( *pc == _T('&') )
 141             {
 142                 if ( !lastWasAmpersand )
 143                 {
 144                     lastWasAmpersand = TRUE;
 145
 146                     // skip the statement adding pc to curLine below
 147                     continue;
 148                 }
 149
 150                 // it is a literal ampersand
 151                 lastWasAmpersand = FALSE;
 152             }
 153
 154             curLine += *pc;
 155         }
 156     }
 157
 158     return wxSize(widthTextMax, heightTextTotal);
 159 }
 160
 161 void wxStaticText::DoSetSize(int x, int y, int w, int h, int sizeFlags)
 162 {
 163     // we need to refresh the window after changing its size as the standard
 164     // control doesn't always update itself properly
 165     wxStaticTextBase::DoSetSize(x, y, w, h, sizeFlags);
 166
 167     Refresh();
 168 }
 169
 170 void wxStaticText::SetLabel(const wxString& label)
 171 {
 172     wxStaticTextBase::SetLabel(label);
 173
 174     // adjust the size of the window to fit to the label unless autoresizing is
 175     // disabled
 176     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 177     {
 178         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 179     }
 180 }
 181
 182
 183 bool wxStaticText::SetFont(const wxFont& font)
 184 {
 185     bool ret = wxControl::SetFont(font);
 186
 187     // adjust the size of the window to fit to the label unless autoresizing is
 188     // disabled
 189     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 190     {
 191         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 192     }
 193
 194     return ret;
 195 }
 196
 197 #endif // wxUSE_STATTEXT