src/msw/statbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/statbox.cpp
   3 // Purpose:     wxStaticBox
   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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "statbox.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_STATBOX
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/app.h"
  35     #include "wx/dcclient.h"
  36 #endif
  37
  38 #include "wx/statbox.h"
  39
  40 #include "wx/msw/private.h"
  41
  42 // ----------------------------------------------------------------------------
  43 // wxWin macros
  44 // ----------------------------------------------------------------------------
  45
  46 IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
  47
  48 // ============================================================================
  49 // implementation
  50 // ============================================================================
  51
  52 // ----------------------------------------------------------------------------
  53 // wxStaticBox
  54 // ----------------------------------------------------------------------------
  55
  56 bool wxStaticBox::Create(wxWindow *parent,
  57                          wxWindowID id,
  58                          const wxString& label,
  59                          const wxPoint& pos,
  60                          const wxSize& size,
  61                          long style,
  62                          const wxString& name)
  63 {
  64     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
  65         return FALSE;
  66
  67     if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label, 0) )
  68         return FALSE;
  69
  70     return TRUE;
  71 }
  72
  73 wxSize wxStaticBox::DoGetBestSize() const
  74 {
  75     int cx, cy;
  76     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
  77
  78     int wBox;
  79     GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy);
  80
  81     wBox += 3*cx;
  82     int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
  83
  84     return wxSize(wBox, hBox);
  85 }
  86
  87 long wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
  88 {
  89     switch ( nMsg )
  90     {
  91         case WM_NCHITTEST:
  92             // FIXME: this hack is specific to dialog ed, shouldn't it be
  93             //        somehow disabled during normal operation?
  94             {
  95                 int xPos = LOWORD(lParam);  // horizontal position of cursor
  96                 int yPos = HIWORD(lParam);  // vertical position of cursor
  97
  98                 ScreenToClient(&xPos, &yPos);
  99
 100                 // Make sure you can drag by the top of the groupbox, but let
 101                 // other (enclosed) controls get mouse events also
 102                 if ( yPos < 10 )
 103                     return (long)HTCLIENT;
 104             }
 105             break;
 106
 107         case WM_ERASEBKGND:
 108             // prevent wxControl from processing this message because it will
 109             // erase the background incorrectly and there is no way for us to
 110             // override this at wxWin event level (if we do process the event,
 111             // we don't know how to do it properly - paint the background
 112             // without painting over other controls - and if we don't,
 113             // wxControl still gets it)
 114             return MSWDefWindowProc(nMsg, wParam, lParam);
 115     }
 116
 117     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 118 }
 119
 120 #endif // wxUSE_STATBOX