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 and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  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 bool wxStaticText::Create(wxWindow *parent,
  38                           wxWindowID id,
  39                           const wxString& label,
  40                           const wxPoint& pos,
  41                           const wxSize& size,
  42                           long style,
  43                           const wxString& name)
  44 {
  45     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
  46         return FALSE;
  47
  48     if ( !MSWCreateControl(wxT("STATIC"), label, pos, size) )
  49         return FALSE;
  50
  51     return TRUE;
  52 }
  53
  54 WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const
  55 {
  56     WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
  57
  58     // translate the alignment flags to the Windows ones
  59     //
  60     // note that both wxALIGN_LEFT and SS_LEFT are equal to 0 so we shouldn't
  61     // test for them using & operator
  62     if ( style & wxALIGN_CENTRE )
  63         msStyle |= SS_CENTER;
  64     else if ( style & wxALIGN_RIGHT )
  65         msStyle |= SS_RIGHT;
  66     else
  67         msStyle |= SS_LEFT;
  68
  69     return msStyle;
  70 }
  71
  72 wxSize wxStaticText::DoGetBestSize() const
  73 {
  74     wxString text(wxGetWindowText(GetHWND()));
  75
  76     int widthTextMax = 0, widthLine,
  77         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
  78
  79     wxString curLine;
  80     for ( const wxChar *pc = text; ; pc++ ) {
  81         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
  82             if ( !curLine ) {
  83                 // we can't use GetTextExtent - it will return 0 for both width
  84                 // and height and an empty line should count in height
  85                 // calculation
  86                 if ( !heightLineDefault )
  87                     heightLineDefault = heightLine;
  88                 if ( !heightLineDefault )
  89                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
  90
  91                 heightTextTotal += heightLineDefault;
  92             }
  93             else {
  94                 GetTextExtent(curLine, &widthLine, &heightLine);
  95                 if ( widthLine > widthTextMax )
  96                     widthTextMax = widthLine;
  97                 heightTextTotal += heightLine;
  98             }
  99
 100             if ( *pc == wxT('\n') ) {
 101                curLine.Empty();
 102             }
 103             else {
 104                // the end of string
 105                break;
 106             }
 107         }
 108         else {
 109             // we shouldn't take into account the '&' which just introduce the
 110             // mnemonic characters and so are not shown on the screen
 111             if ( pc != _T('&') )
 112                 curLine += *pc;
 113         }
 114     }
 115
 116     return wxSize(widthTextMax, heightTextTotal);
 117 }
 118
 119 void wxStaticText::DoSetSize(int x, int y, int w, int h, int sizeFlags)
 120 {
 121     // we need to refresh the window after changing its size as the standard
 122     // control doesn't always update itself properly
 123     wxStaticTextBase::DoSetSize(x, y, w, h, sizeFlags);
 124
 125     Refresh();
 126 }
 127
 128 void wxStaticText::SetLabel(const wxString& label)
 129 {
 130     wxStaticTextBase::SetLabel(label);
 131
 132     // adjust the size of the window to fit to the label unless autoresizing is
 133     // disabled
 134     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 135     {
 136         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 137     }
 138 }
 139
 140
 141 bool wxStaticText::SetFont(const wxFont& font)
 142 {
 143     bool ret = wxControl::SetFont(font);
 144
 145     // adjust the size of the window to fit to the label unless autoresizing is
 146     // disabled
 147     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 148     {
 149         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 150     }
 151
 152     return ret;
 153 }
 154
 155 #endif // wxUSE_STATTEXT