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
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 #if wxUSE_EXTENDED_RTTI
  47 IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticBox, wxControl,"wx/statbox.h")
  48
  49 WX_BEGIN_PROPERTIES_TABLE(wxStaticBox)
  50         WX_PROPERTY( Label,wxString, SetLabel, GetLabel, wxEmptyString )
  51 /*
  52         TODO PROPERTIES :
  53                 label
  54 */
  55 WX_END_PROPERTIES_TABLE()
  56
  57 WX_BEGIN_HANDLERS_TABLE(wxStaticBox)
  58 WX_END_HANDLERS_TABLE()
  59
  60 WX_CONSTRUCTOR_6( wxStaticBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
  61 #else
  62 IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
  63 #endif
  64
  65 // ============================================================================
  66 // implementation
  67 // ============================================================================
  68
  69 // ----------------------------------------------------------------------------
  70 // wxStaticBox
  71 // ----------------------------------------------------------------------------
  72
  73 bool wxStaticBox::Create(wxWindow *parent,
  74                          wxWindowID id,
  75                          const wxString& label,
  76                          const wxPoint& pos,
  77                          const wxSize& size,
  78                          long style,
  79                          const wxString& name)
  80 {
  81     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
  82         return FALSE;
  83
  84     // as wxStaticBox doesn't draw its own background, we make it transparent
  85     // to force redrawing its background which could have been overwritten by
  86     // the other controls inside it
  87     //
  88     // FIXME: I still think that it isn't the right solution because the static
  89     //        boxes shouldn't have to be transparent if the redrawing was done
  90     //        right elsewhere - who ever had to make them transparent in non
  91     //        wxWindows programs, after all? But for now it does fix a serious
  92     //        problem (try resizing the sizers test screen in the layout sample
  93     //        after removing WS_EX_TRANSPARENT bit) and so let's use it until
  94     //        we fix the real underlying problem
  95     if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label,
  96 #ifdef __WXWINCE__
  97         0
  98 #else
  99         WS_EX_TRANSPARENT
 100 #endif
 101                            ) )
 102         return FALSE;
 103
 104     // to be transparent we should have the same colour as the parent as well
 105     SetBackgroundColour(GetParent()->GetBackgroundColour());
 106
 107     return TRUE;
 108 }
 109
 110 wxSize wxStaticBox::DoGetBestSize() const
 111 {
 112     int cx, cy;
 113     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
 114
 115     int wBox;
 116     GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy);
 117
 118     wBox += 3*cx;
 119     int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 120
 121     return wxSize(wBox, hBox);
 122 }
 123
 124 long wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 125 {
 126     switch ( nMsg )
 127     {
 128 #ifndef __WXWINCE__
 129         case WM_NCHITTEST:
 130             // FIXME: this hack is specific to dialog ed, shouldn't it be
 131             //        somehow disabled during normal operation?
 132             {
 133                 int xPos = LOWORD(lParam);  // horizontal position of cursor
 134                 int yPos = HIWORD(lParam);  // vertical position of cursor
 135
 136                 ScreenToClient(&xPos, &yPos);
 137
 138                 // Make sure you can drag by the top of the groupbox, but let
 139                 // other (enclosed) controls get mouse events also
 140                 if ( yPos < 10 )
 141                     return (long)HTCLIENT;
 142             }
 143             break;
 144 #endif
 145         case WM_ERASEBKGND:
 146             // prevent wxControl from processing this message because it will
 147             // erase the background incorrectly and there is no way for us to
 148             // override this at wxWin event level (if we do process the event,
 149             // we don't know how to do it properly - paint the background
 150             // without painting over other controls - and if we don't,
 151             // wxControl still gets it)
 152             return MSWDefWindowProc(nMsg, wParam, lParam);
 153     }
 154
 155     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 156 }
 157
 158 #endif // wxUSE_STATBOX