src/xrc/xh_sizer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xh_sizer.cpp
   3 // Purpose:     XRC resource for wxBoxSizer
   4 // Author:      Vaclav Slavik
   5 // Created:     2000/03/21
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "xh_sizer.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 #include "wx/xrc/xh_sizer.h"
  23 #include "wx/sizer.h"
  24 #include "wx/log.h"
  25 #include "wx/statbox.h"
  26 #include "wx/notebook.h"
  27 #include "wx/panel.h"
  28 #include "wx/tokenzr.h"
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxSizerXmlHandler, wxXmlResourceHandler)
  31
  32 bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node)
  33 {
  34     return (IsOfClass(node, wxT("wxBoxSizer"))) ||
  35            (IsOfClass(node, wxT("wxStaticBoxSizer"))) ||
  36            (IsOfClass(node, wxT("wxGridSizer"))) ||
  37            (IsOfClass(node, wxT("wxFlexGridSizer")));
  38 }
  39
  40
  41
  42 wxSizerXmlHandler::wxSizerXmlHandler()
  43 : wxXmlResourceHandler(), m_isInside(FALSE), m_parentSizer(NULL)
  44 {
  45     XRC_ADD_STYLE(wxHORIZONTAL);
  46     XRC_ADD_STYLE(wxVERTICAL);
  47
  48     // and flags
  49     XRC_ADD_STYLE(wxLEFT);
  50     XRC_ADD_STYLE(wxRIGHT);
  51     XRC_ADD_STYLE(wxTOP);
  52     XRC_ADD_STYLE(wxBOTTOM);
  53     XRC_ADD_STYLE(wxNORTH);
  54     XRC_ADD_STYLE(wxSOUTH);
  55     XRC_ADD_STYLE(wxEAST);
  56     XRC_ADD_STYLE(wxWEST);
  57     XRC_ADD_STYLE(wxALL);
  58
  59     XRC_ADD_STYLE(wxGROW);
  60     XRC_ADD_STYLE(wxEXPAND);
  61     XRC_ADD_STYLE(wxSHAPED);
  62     XRC_ADD_STYLE(wxSTRETCH_NOT);
  63
  64     XRC_ADD_STYLE(wxALIGN_CENTER);
  65     XRC_ADD_STYLE(wxALIGN_CENTRE);
  66     XRC_ADD_STYLE(wxALIGN_LEFT);
  67     XRC_ADD_STYLE(wxALIGN_TOP);
  68     XRC_ADD_STYLE(wxALIGN_RIGHT);
  69     XRC_ADD_STYLE(wxALIGN_BOTTOM);
  70     XRC_ADD_STYLE(wxALIGN_CENTER_HORIZONTAL);
  71     XRC_ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL);
  72     XRC_ADD_STYLE(wxALIGN_CENTER_VERTICAL);
  73     XRC_ADD_STYLE(wxALIGN_CENTRE_VERTICAL);
  74
  75     XRC_ADD_STYLE(wxADJUST_MINSIZE);
  76 }
  77
  78
  79
  80 wxObject *wxSizerXmlHandler::DoCreateResource()
  81 {
  82     if (m_class == wxT("sizeritem"))
  83     {
  84         wxXmlNode *n = GetParamNode(wxT("object"));
  85
  86        if ( !n )
  87            n = GetParamNode(wxT("object_ref"));
  88
  89         if (n)
  90         {
  91             bool old_ins = m_isInside;
  92             wxSizer *old_par = m_parentSizer;
  93             m_isInside = FALSE;
  94             if (!IsSizerNode(n)) m_parentSizer = NULL;
  95             wxObject *item = CreateResFromNode(n, m_parent, NULL);
  96             m_isInside = old_ins;
  97             m_parentSizer = old_par;
  98             wxSizer *sizer = wxDynamicCast(item, wxSizer);
  99             wxWindow *wnd = wxDynamicCast(item, wxWindow);
 100             wxSize minsize = GetSize(wxT("minsize"));
 101
 102             if (sizer)
 103             {
 104                 m_parentSizer->Add(sizer, GetLong(wxT("option")),
 105                                    GetStyle(wxT("flag")), GetDimension(wxT("border")));
 106                 if (!(minsize == wxDefaultSize))
 107                     m_parentSizer->SetItemMinSize(sizer, minsize.x, minsize.y);
 108             }
 109             else if (wnd)
 110             {
 111                 m_parentSizer->Add(wnd, GetLong(wxT("option")),
 112                                    GetStyle(wxT("flag")), GetDimension(wxT("border")));
 113                 if (!(minsize == wxDefaultSize))
 114                     m_parentSizer->SetItemMinSize(wnd, minsize.x, minsize.y);
 115             }
 116             else
 117                 wxLogError(wxT("Error in resource."));
 118
 119             return item;
 120         }
 121         else /*n == NULL*/
 122         {
 123             wxLogError(wxT("Error in resource: no control/sizer within sizer's <item> tag."));
 124             return NULL;
 125         }
 126     }
 127
 128     else if (m_class == wxT("spacer"))
 129     {
 130         wxCHECK_MSG(m_parentSizer, NULL, wxT("Incorrect syntax of XRC resource: spacer not within sizer!"));
 131         wxSize sz = GetSize();
 132         m_parentSizer->Add(sz.x, sz.y,
 133             GetLong(wxT("option")), GetStyle(wxT("flag")), GetDimension(wxT("border")));
 134         return NULL;
 135     }
 136
 137
 138     else {
 139         wxSizer *sizer = NULL;
 140
 141         wxXmlNode *parentNode = m_node->GetParent();
 142
 143         wxCHECK_MSG(m_parentSizer != NULL ||
 144                 (parentNode->GetType() == wxXML_ELEMENT_NODE &&
 145                     m_parentAsWindow != NULL &&
 146                     (m_parentAsWindow->IsKindOf(CLASSINFO(wxPanel)) ||
 147                      m_parentAsWindow->IsKindOf(CLASSINFO(wxFrame)) ||
 148                      m_parentAsWindow->IsKindOf(CLASSINFO(wxDialog)))
 149                 ), NULL,
 150                 wxT("Incorrect use of sizer: parent is not 'wxDialog', 'wxFrame' or 'wxPanel'."));
 151
 152         if (m_class == wxT("wxBoxSizer"))
 153             sizer = new wxBoxSizer(GetStyle(wxT("orient"), wxHORIZONTAL));
 154
 155         else if (m_class == wxT("wxStaticBoxSizer"))
 156         {
 157             sizer = new wxStaticBoxSizer(
 158                          new wxStaticBox(m_parentAsWindow,
 159                                          GetID(),
 160                                          GetText(wxT("label")),
 161                                          wxDefaultPosition, wxDefaultSize,
 162                                          0/*style*/,
 163                                          GetName()),
 164                          GetStyle(wxT("orient"), wxHORIZONTAL));
 165         }
 166
 167         else if (m_class == wxT("wxGridSizer"))
 168             sizer = new wxGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
 169                                     GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
 170
 171         else if (m_class == wxT("wxFlexGridSizer"))
 172         {
 173             wxFlexGridSizer *fsizer =
 174                   new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
 175                       GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
 176             sizer = fsizer;
 177             wxStringTokenizer tkn;
 178             unsigned long l;
 179             tkn.SetString(GetParamValue(wxT("growablerows")), wxT(","));
 180             while (tkn.HasMoreTokens())
 181             {
 182                 if (!tkn.GetNextToken().ToULong(&l))
 183                     wxLogError(wxT("growablerows must be comma-separated list of row numbers"));
 184                 else
 185                     fsizer->AddGrowableRow(l);
 186             }
 187             tkn.SetString(GetParamValue(wxT("growablecols")), wxT(","));
 188             while (tkn.HasMoreTokens())
 189             {
 190                 if (!tkn.GetNextToken().ToULong(&l))
 191                     wxLogError(wxT("growablecols must be comma-separated list of column numbers"));
 192                 else
 193                     fsizer->AddGrowableCol(l);
 194             }
 195         }
 196
 197         wxSize minsize = GetSize(wxT("minsize"));
 198         if (!(minsize == wxDefaultSize))
 199             sizer->SetMinSize(minsize);
 200
 201         wxSizer *old_par = m_parentSizer;
 202         m_parentSizer = sizer;
 203         bool old_ins = m_isInside;
 204         m_isInside = TRUE;
 205         CreateChildren(m_parent, TRUE/*only this handler*/);
 206         m_isInside = old_ins;
 207         m_parentSizer = old_par;
 208
 209         if (m_parentSizer == NULL) // setup window:
 210         {
 211             m_parentAsWindow->SetAutoLayout(TRUE);
 212             m_parentAsWindow->SetSizer(sizer);
 213
 214             wxXmlNode *nd = m_node;
 215             m_node = parentNode;
 216             if (GetSize() == wxDefaultSize)
 217                 sizer->Fit(m_parentAsWindow);
 218             m_node = nd;
 219
 220             if (m_parentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
 221                 sizer->SetSizeHints(m_parentAsWindow);
 222         }
 223
 224         return sizer;
 225     }
 226 }
 227
 228
 229
 230 bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
 231 {
 232     return ((!m_isInside && IsSizerNode(node)) ||
 233             (m_isInside && IsOfClass(node, wxT("sizeritem"))) ||
 234             (m_isInside && IsOfClass(node, wxT("spacer"))));
 235 }