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 WX_DEFINE_FLAGS( wxStaticBoxStyle )
  48
  49 WX_BEGIN_FLAGS( wxStaticBoxStyle )
  50     // new style border flags, we put them first to
  51     // use them for streaming out
  52     WX_FLAGS_MEMBER(wxBORDER_SIMPLE)
  53     WX_FLAGS_MEMBER(wxBORDER_SUNKEN)
  54     WX_FLAGS_MEMBER(wxBORDER_DOUBLE)
  55     WX_FLAGS_MEMBER(wxBORDER_RAISED)
  56     WX_FLAGS_MEMBER(wxBORDER_STATIC)
  57     WX_FLAGS_MEMBER(wxBORDER_NONE)
  58
  59     // old style border flags
  60     WX_FLAGS_MEMBER(wxSIMPLE_BORDER)
  61     WX_FLAGS_MEMBER(wxSUNKEN_BORDER)
  62     WX_FLAGS_MEMBER(wxDOUBLE_BORDER)
  63     WX_FLAGS_MEMBER(wxRAISED_BORDER)
  64     WX_FLAGS_MEMBER(wxSTATIC_BORDER)
  65     WX_FLAGS_MEMBER(wxNO_BORDER)
  66
  67     // standard window styles
  68     WX_FLAGS_MEMBER(wxTAB_TRAVERSAL)
  69     WX_FLAGS_MEMBER(wxCLIP_CHILDREN)
  70     WX_FLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  71     WX_FLAGS_MEMBER(wxWANTS_CHARS)
  72     WX_FLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
  73     WX_FLAGS_MEMBER(wxALWAYS_SHOW_SB )
  74     WX_FLAGS_MEMBER(wxVSCROLL)
  75     WX_FLAGS_MEMBER(wxHSCROLL)
  76
  77 WX_END_FLAGS( wxStaticBoxStyle )
  78
  79 IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticBox, wxControl,"wx/statbox.h")
  80
  81 WX_BEGIN_PROPERTIES_TABLE(wxStaticBox)
  82         WX_PROPERTY( Label,wxString, SetLabel, GetLabel, wxEmptyString , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  83     WX_PROPERTY_FLAGS( WindowStyle , wxStaticBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  84 /*
  85         TODO PROPERTIES :
  86                 label
  87 */
  88 WX_END_PROPERTIES_TABLE()
  89
  90 WX_BEGIN_HANDLERS_TABLE(wxStaticBox)
  91 WX_END_HANDLERS_TABLE()
  92
  93 WX_CONSTRUCTOR_6( wxStaticBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
  94 #else
  95 IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
  96 #endif
  97
  98 // ============================================================================
  99 // implementation
 100 // ============================================================================
 101
 102 // ----------------------------------------------------------------------------
 103 // wxStaticBox
 104 // ----------------------------------------------------------------------------
 105
 106 bool wxStaticBox::Create(wxWindow *parent,
 107                          wxWindowID id,
 108                          const wxString& label,
 109                          const wxPoint& pos,
 110                          const wxSize& size,
 111                          long style,
 112                          const wxString& name)
 113 {
 114     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
 115         return FALSE;
 116
 117     // as wxStaticBox doesn't draw its own background, we make it transparent
 118     // to force redrawing its background which could have been overwritten by
 119     // the other controls inside it
 120     //
 121     // FIXME: I still think that it isn't the right solution because the static
 122     //        boxes shouldn't have to be transparent if the redrawing was done
 123     //        right elsewhere - who ever had to make them transparent in non
 124     //        wxWindows programs, after all? But for now it does fix a serious
 125     //        problem (try resizing the sizers test screen in the layout sample
 126     //        after removing WS_EX_TRANSPARENT bit) and so let's use it until
 127     //        we fix the real underlying problem
 128     if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label,
 129 #ifdef __WXWINCE__
 130         0
 131 #else
 132         WS_EX_TRANSPARENT
 133 #endif
 134                            ) )
 135         return FALSE;
 136
 137     // to be transparent we should have the same colour as the parent as well
 138     SetBackgroundColour(GetParent()->GetBackgroundColour());
 139
 140     return TRUE;
 141 }
 142
 143 wxSize wxStaticBox::DoGetBestSize() const
 144 {
 145     int cx, cy;
 146     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
 147
 148     int wBox;
 149     GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy);
 150
 151     wBox += 3*cx;
 152     int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 153
 154     return wxSize(wBox, hBox);
 155 }
 156
 157 long wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 158 {
 159     switch ( nMsg )
 160     {
 161 #ifndef __WXWINCE__
 162         case WM_NCHITTEST:
 163             // FIXME: this hack is specific to dialog ed, shouldn't it be
 164             //        somehow disabled during normal operation?
 165             {
 166                 int xPos = LOWORD(lParam);  // horizontal position of cursor
 167                 int yPos = HIWORD(lParam);  // vertical position of cursor
 168
 169                 ScreenToClient(&xPos, &yPos);
 170
 171                 // Make sure you can drag by the top of the groupbox, but let
 172                 // other (enclosed) controls get mouse events also
 173                 if ( yPos < 10 )
 174                     return (long)HTCLIENT;
 175             }
 176             break;
 177 #endif
 178         case WM_ERASEBKGND:
 179             // prevent wxControl from processing this message because it will
 180             // erase the background incorrectly and there is no way for us to
 181             // override this at wxWin event level (if we do process the event,
 182             // we don't know how to do it properly - paint the background
 183             // without painting over other controls - and if we don't,
 184             // wxControl still gets it)
 185             return MSWDefWindowProc(nMsg, wParam, lParam);
 186     }
 187
 188     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 189 }
 190
 191 #endif // wxUSE_STATBOX