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 WX_DEFINE_FLAGS( wxStaticTextStyle )
  37
  38 wxBEGIN_FLAGS( wxStaticTextStyle )
  39     // new style border flags, we put them first to
  40     // use them for streaming out
  41     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  42     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  43     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  44     wxFLAGS_MEMBER(wxBORDER_RAISED)
  45     wxFLAGS_MEMBER(wxBORDER_STATIC)
  46     wxFLAGS_MEMBER(wxBORDER_NONE)
  47
  48     // old style border flags
  49     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  50     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  51     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  52     wxFLAGS_MEMBER(wxRAISED_BORDER)
  53     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  54     wxFLAGS_MEMBER(wxBORDER)
  55
  56     // standard window styles
  57     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  58     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  59     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  60     wxFLAGS_MEMBER(wxWANTS_CHARS)
  61     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  62     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  63     wxFLAGS_MEMBER(wxVSCROLL)
  64     wxFLAGS_MEMBER(wxHSCROLL)
  65
  66     wxFLAGS_MEMBER(wxST_NO_AUTORESIZE)
  67     wxFLAGS_MEMBER(wxALIGN_LEFT)
  68     wxFLAGS_MEMBER(wxALIGN_RIGHT)
  69     wxFLAGS_MEMBER(wxALIGN_CENTRE)
  70
  71 wxEND_FLAGS( wxStaticTextStyle )
  72
  73 IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticText, wxControl,"wx/stattext.h")
  74
  75 wxBEGIN_PROPERTIES_TABLE(wxStaticText)
  76     wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  77     wxPROPERTY_FLAGS( WindowStyle , wxStaticTextStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  78 wxEND_PROPERTIES_TABLE()
  79
  80 wxBEGIN_HANDLERS_TABLE(wxStaticText)
  81 wxEND_HANDLERS_TABLE()
  82
  83 wxCONSTRUCTOR_6( wxStaticText , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
  84 #else
  85 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  86 #endif
  87
  88 bool wxStaticText::Create(wxWindow *parent,
  89                           wxWindowID id,
  90                           const wxString& label,
  91                           const wxPoint& pos,
  92                           const wxSize& size,
  93                           long style,
  94                           const wxString& name)
  95 {
  96     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
  97         return false;
  98
  99     if ( !MSWCreateControl(wxT("STATIC"), label, pos, size) )
 100         return false;
 101
 102     return true;
 103 }
 104
 105 wxBorder wxStaticText::GetDefaultBorder() const
 106 {
 107     return wxBORDER_NONE;
 108 }
 109
 110 WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const
 111 {
 112     WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
 113
 114     // translate the alignment flags to the Windows ones
 115     //
 116     // note that both wxALIGN_LEFT and SS_LEFT are equal to 0 so we shouldn't
 117     // test for them using & operator
 118     if ( style & wxALIGN_CENTRE )
 119         msStyle |= SS_CENTER;
 120     else if ( style & wxALIGN_RIGHT )
 121         msStyle |= SS_RIGHT;
 122     else
 123         msStyle |= SS_LEFT;
 124
 125     return msStyle;
 126 }
 127
 128 wxSize wxStaticText::DoGetBestSize() const
 129 {
 130     wxString text(wxGetWindowText(GetHWND()));
 131
 132     int widthTextMax = 0, widthLine,
 133         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 134
 135     bool lastWasAmpersand = false;
 136
 137     wxString curLine;
 138     for ( const wxChar *pc = text; ; pc++ )
 139     {
 140         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 141         {
 142             if ( !curLine )
 143             {
 144                 // we can't use GetTextExtent - it will return 0 for both width
 145                 // and height and an empty line should count in height
 146                 // calculation
 147                 if ( !heightLineDefault )
 148                     heightLineDefault = heightLine;
 149                 if ( !heightLineDefault )
 150                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 151
 152                 heightTextTotal += heightLineDefault;
 153             }
 154             else
 155             {
 156                 GetTextExtent(curLine, &widthLine, &heightLine);
 157                 if ( widthLine > widthTextMax )
 158                     widthTextMax = widthLine;
 159                 heightTextTotal += heightLine;
 160             }
 161
 162             if ( *pc == wxT('\n') )
 163             {
 164                curLine.Empty();
 165             }
 166             else
 167             {
 168                // the end of string
 169                break;
 170             }
 171         }
 172         else
 173         {
 174             // we shouldn't take into account the '&' which just introduces the
 175             // mnemonic characters and so are not shown on the screen -- except
 176             // when it is preceded by another '&' in which case it stands for a
 177             // literal ampersand
 178             if ( *pc == _T('&') )
 179             {
 180                 if ( !lastWasAmpersand )
 181                 {
 182                     lastWasAmpersand = true;
 183
 184                     // skip the statement adding pc to curLine below
 185                     continue;
 186                 }
 187
 188                 // it is a literal ampersand
 189                 lastWasAmpersand = false;
 190             }
 191
 192             curLine += *pc;
 193         }
 194     }
 195 #ifdef __WXWINCE__
 196     if(widthTextMax) widthTextMax += 2;
 197 #endif
 198     return wxSize(widthTextMax, heightTextTotal);
 199 }
 200
 201 void wxStaticText::DoSetSize(int x, int y, int w, int h, int sizeFlags)
 202 {
 203     // we need to refresh the window after changing its size as the standard
 204     // control doesn't always update itself properly
 205     wxStaticTextBase::DoSetSize(x, y, w, h, sizeFlags);
 206
 207     Refresh();
 208 }
 209
 210 void wxStaticText::SetLabel(const wxString& label)
 211 {
 212     wxStaticTextBase::SetLabel(label);
 213
 214     // adjust the size of the window to fit to the label unless autoresizing is
 215     // disabled
 216     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 217     {
 218         InvalidateBestSize();
 219         DoSetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, wxDefaultCoord,
 220                   wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 221     }
 222 }
 223
 224
 225 bool wxStaticText::SetFont(const wxFont& font)
 226 {
 227     bool ret = wxControl::SetFont(font);
 228
 229     // adjust the size of the window to fit to the label unless autoresizing is
 230     // disabled
 231     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 232     {
 233         InvalidateBestSize();
 234         DoSetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, wxDefaultCoord,
 235                   wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 236     }
 237
 238     return ret;
 239 }
 240
 241 #endif // wxUSE_STATTEXT