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 #if !USE_SHARED_LIBRARY
  34 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  35 #endif
  36
  37 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
  38            const wxString& label,
  39            const wxPoint& pos,
  40            const wxSize& size,
  41            long style,
  42            const wxString& name)
  43 {
  44   SetName(name);
  45   if (parent) parent->AddChild(this);
  46
  47   SetBackgroundColour(parent->GetBackgroundColour()) ;
  48   SetForegroundColour(parent->GetForegroundColour()) ;
  49
  50   if ( id == -1 )
  51     m_windowId = (int)NewControlId();
  52   else
  53   m_windowId = id;
  54
  55   int x = pos.x;
  56   int y = pos.y;
  57   int width = size.x;
  58   int height = size.y;
  59
  60   m_windowStyle = style;
  61
  62   long msStyle = WS_CHILD|WS_VISIBLE;
  63   if (m_windowStyle & wxALIGN_CENTRE)
  64     msStyle |= SS_CENTER;
  65   else if (m_windowStyle & wxALIGN_RIGHT)
  66     msStyle |= SS_RIGHT;
  67   else
  68     msStyle |= SS_LEFT;
  69
  70   // Even with extended styles, need to combine with WS_BORDER
  71   // for them to look right.
  72   if ( wxStyleHasBorder(m_windowStyle) )
  73     msStyle |= WS_BORDER;
  74
  75   m_hWnd = (WXHWND)::CreateWindowEx(MakeExtendedStyle(m_windowStyle), wxT("STATIC"), (const wxChar *)label,
  76                          msStyle,
  77                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  78                          wxGetInstance(), NULL);
  79
  80   wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create static ctrl") );
  81
  82 #if wxUSE_CTL3D
  83 /*
  84   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
  85     Ctl3dSubclassCtl(static_item);
  86 */
  87 #endif
  88
  89   SubclassWin(m_hWnd);
  90
  91   SetFont(parent->GetFont());
  92   SetSize(x, y, width, height);
  93
  94   return TRUE;
  95 }
  96
  97 wxSize wxStaticText::DoGetBestSize() const
  98 {
  99     wxString text(wxGetWindowText(GetHWND()));
 100
 101     int widthTextMax = 0, widthLine,
 102         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 103
 104     wxString curLine;
 105     for ( const wxChar *pc = text; ; pc++ ) {
 106         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
 107             if ( !curLine ) {
 108                 // we can't use GetTextExtent - it will return 0 for both width
 109                 // and height and an empty line should count in height
 110                 // calculation
 111                 if ( !heightLineDefault )
 112                     heightLineDefault = heightLine;
 113                 if ( !heightLineDefault )
 114                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 115
 116                 heightTextTotal += heightLineDefault;
 117             }
 118             else {
 119                 GetTextExtent(curLine, &widthLine, &heightLine);
 120                 if ( widthLine > widthTextMax )
 121                     widthTextMax = widthLine;
 122                 heightTextTotal += heightLine;
 123             }
 124
 125             if ( *pc == wxT('\n') ) {
 126                curLine.Empty();
 127             }
 128             else {
 129                // the end of string
 130                break;
 131             }
 132         }
 133         else {
 134             curLine += *pc;
 135         }
 136     }
 137
 138     return wxSize(widthTextMax, heightTextTotal);
 139 }
 140
 141 void wxStaticText::SetLabel(const wxString& label)
 142 {
 143     SetWindowText(GetHwnd(), label);
 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
 153 long wxStaticText::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 154 {
 155   // Ensure that static items get messages. Some controls don't like this
 156   // message to be intercepted (e.g. RichEdit), hence the tests.
 157   if (nMsg == WM_NCHITTEST)
 158     return (long)HTCLIENT;
 159
 160   return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 161 }
 162
 163