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