src/msw/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifndef WX_PRECOMP
  24 #include "wx/event.h"
  25 #include "wx/app.h"
  26 #include "wx/brush.h"
  27 #endif
  28
  29 #include "wx/stattext.h"
  30 #include "wx/msw/private.h"
  31 #include <stdio.h>
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  34
  35 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
  36            const wxString& label,
  37            const wxPoint& pos,
  38            const wxSize& size,
  39            long style,
  40            const wxString& name)
  41 {
  42   SetName(name);
  43   if (parent) parent->AddChild(this);
  44
  45   SetBackgroundColour(parent->GetBackgroundColour()) ;
  46   SetForegroundColour(parent->GetForegroundColour()) ;
  47
  48   if ( id == -1 )
  49     m_windowId = (int)NewControlId();
  50   else
  51   m_windowId = id;
  52
  53   int x = pos.x;
  54   int y = pos.y;
  55   int width = size.x;
  56   int height = size.y;
  57
  58   m_windowStyle = style;
  59
  60   long msStyle = WS_CHILD|WS_VISIBLE;
  61   if (m_windowStyle & wxALIGN_CENTRE)
  62     msStyle |= SS_CENTER;
  63   else if (m_windowStyle & wxALIGN_RIGHT)
  64     msStyle |= SS_RIGHT;
  65   else
  66     msStyle |= SS_LEFT;
  67
  68   // Even with extended styles, need to combine with WS_BORDER
  69   // for them to look right.
  70   if ( wxStyleHasBorder(m_windowStyle) )
  71     msStyle |= WS_BORDER;
  72
  73   m_hWnd = (WXHWND)::CreateWindowEx(MakeExtendedStyle(m_windowStyle), wxT("STATIC"), (const wxChar *)label,
  74                          msStyle,
  75                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  76                          wxGetInstance(), NULL);
  77
  78   wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create static ctrl") );
  79
  80 #if wxUSE_CTL3D
  81 /*
  82   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
  83     Ctl3dSubclassCtl(static_item);
  84 */
  85 #endif
  86
  87   SubclassWin(m_hWnd);
  88
  89   SetFont(parent->GetFont());
  90   SetSize(x, y, width, height);
  91
  92   return TRUE;
  93 }
  94
  95 wxSize wxStaticText::DoGetBestSize() const
  96 {
  97     wxString text(wxGetWindowText(GetHWND()));
  98
  99     int widthTextMax = 0, widthLine,
 100         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 101
 102     wxString curLine;
 103     for ( const wxChar *pc = text; ; pc++ ) {
 104         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
 105             if ( !curLine ) {
 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                 GetTextExtent(curLine, &widthLine, &heightLine);
 118                 if ( widthLine > widthTextMax )
 119                     widthTextMax = widthLine;
 120                 heightTextTotal += heightLine;
 121             }
 122
 123             if ( *pc == wxT('\n') ) {
 124                curLine.Empty();
 125             }
 126             else {
 127                // the end of string
 128                break;
 129             }
 130         }
 131         else {
 132             curLine += *pc;
 133         }
 134     }
 135
 136     return wxSize(widthTextMax, heightTextTotal);
 137 }
 138
 139 void wxStaticText::SetLabel(const wxString& label)
 140 {
 141     SetWindowText(GetHwnd(), label);
 142
 143     // adjust the size of the window to fit to the label unless autoresizing is
 144     // disabled
 145     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 146     {
 147         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 148     }
 149 }
 150
 151 long wxStaticText::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 152 {
 153   // Ensure that static items get messages. Some controls don't like this
 154   // message to be intercepted (e.g. RichEdit), hence the tests.
 155   if (nMsg == WM_NCHITTEST)
 156     return (long)HTCLIENT;
 157
 158   return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 159 }
 160
 161