src/xrc/xh_unkwn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xh_unkwn.cpp
   3 // Purpose:     XRC resource for unknown widget
   4 // Author:      Vaclav Slavik
   5 // Created:     2000/09/09
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "xh_unkwn.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #if wxUSE_XRC
  23
  24 #include "wx/xrc/xh_unkwn.h"
  25 #include "wx/window.h"
  26 #include "wx/log.h"
  27 #include "wx/sizer.h"
  28 #include "wx/panel.h"
  29
  30
  31 class wxUnknownControlContainer : public wxPanel
  32 {
  33 public:
  34     wxUnknownControlContainer(wxWindow *parent,
  35                               const wxString& controlName,
  36                               wxWindowID id = wxID_ANY,
  37                               const wxPoint& pos = wxDefaultPosition,
  38                               const wxSize& size = wxDefaultSize,
  39                               long style = 0)
  40         // Always add the wxTAB_TRAVERSAL and wxNO_BORDER styles to what comes
  41         // from the XRC if anything.
  42         : wxPanel(parent, id, pos, size, style | wxTAB_TRAVERSAL | wxNO_BORDER,
  43                   controlName + wxT("_container")),
  44           m_controlName(controlName), m_controlAdded(false)
  45     {
  46         m_bg = GetBackgroundColour();
  47         SetBackgroundColour(wxColour(255, 0, 255));
  48     }
  49
  50     virtual void AddChild(wxWindowBase *child);
  51     virtual void RemoveChild(wxWindowBase *child);
  52
  53 protected:
  54     wxString m_controlName;
  55     bool m_controlAdded;
  56     wxColour m_bg;
  57 };
  58
  59 void wxUnknownControlContainer::AddChild(wxWindowBase *child)
  60 {
  61     wxASSERT_MSG( !m_controlAdded, wxT("Couldn't add two unknown controls to the same container!") );
  62
  63     wxPanel::AddChild(child);
  64
  65     SetBackgroundColour(m_bg);
  66     child->SetName(m_controlName);
  67     child->SetId(wxXmlResource::GetXRCID(m_controlName));
  68     m_controlAdded = true;
  69
  70     wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
  71     sizer->Add((wxWindow*)child, 1, wxEXPAND);
  72     SetSizer(sizer);
  73     Layout();
  74 }
  75
  76 void wxUnknownControlContainer::RemoveChild(wxWindowBase *child)
  77 {
  78     wxPanel::RemoveChild(child);
  79     m_controlAdded = false;
  80     GetSizer()->Detach((wxWindow*)child);
  81 }
  82
  83
  84 IMPLEMENT_DYNAMIC_CLASS(wxUnknownWidgetXmlHandler, wxXmlResourceHandler)
  85
  86 wxUnknownWidgetXmlHandler::wxUnknownWidgetXmlHandler()
  87 : wxXmlResourceHandler()
  88 {
  89     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
  90 }
  91
  92 wxObject *wxUnknownWidgetXmlHandler::DoCreateResource()
  93 {
  94     wxASSERT_MSG( m_instance == NULL,
  95                   _T("'unknown' controls can't be subclassed, use wxXmlResource::AttachUnknownControl") );
  96
  97     wxPanel *panel =
  98         new wxUnknownControlContainer(m_parentAsWindow,
  99                                       GetName(), wxID_ANY,
 100                                       GetPosition(), GetSize(),
 101                                       GetStyle(wxT("style")));
 102     SetupWindow(panel);
 103     return panel;
 104 }
 105
 106 bool wxUnknownWidgetXmlHandler::CanHandle(wxXmlNode *node)
 107 {
 108     return IsOfClass(node, wxT("unknown"));
 109 }
 110
 111 #endif // wxUSE_XRC