src/html/m_layout.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        m_layout.cpp
   3 // Purpose:     wxHtml module for basic paragraphs/layout handling
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9 #ifdef __GNUG__
  10 #pragma implementation
  11 #endif
  12
  13 #include "wx/wxprec.h"
  14
  15
  16 #include "wx/defs.h"
  17 #if wxUSE_HTML && wxUSE_STREAMS
  18 #ifdef __BORLANDC__
  19 #pragma hdrstop
  20 #endif
  21
  22 #ifndef WXPRECOMP
  23 #endif
  24
  25
  26 #include "wx/html/forcelnk.h"
  27 #include "wx/html/m_templ.h"
  28
  29 #include "wx/html/htmlwin.h"
  30
  31 FORCE_LINK_ME(m_layout)
  32
  33
  34 TAG_HANDLER_BEGIN(P, "P")
  35
  36     TAG_HANDLER_PROC(tag)
  37     {
  38         if (m_WParser->GetContainer()->GetFirstCell() != NULL)
  39         {
  40             m_WParser->CloseContainer();
  41             m_WParser->OpenContainer();
  42         }
  43         m_WParser->GetContainer()->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
  44         m_WParser->GetContainer()->SetAlign(tag);
  45         return FALSE;
  46     }
  47
  48 TAG_HANDLER_END(P)
  49
  50
  51
  52 TAG_HANDLER_BEGIN(BR, "BR")
  53
  54     TAG_HANDLER_PROC(tag)
  55     {
  56         int al = m_WParser->GetContainer()->GetAlignHor();
  57         wxHtmlContainerCell *c;
  58
  59         m_WParser->CloseContainer();
  60         c = m_WParser->OpenContainer();
  61         c->SetAlignHor(al);
  62         c->SetAlign(tag);
  63         c->SetMinHeight(m_WParser->GetCharHeight());
  64         return FALSE;
  65     }
  66
  67 TAG_HANDLER_END(BR)
  68
  69
  70
  71 TAG_HANDLER_BEGIN(CENTER, "CENTER")
  72
  73     TAG_HANDLER_PROC(tag)
  74     {
  75         int old = m_WParser->GetAlign();
  76         wxHtmlContainerCell *c = m_WParser->GetContainer();
  77
  78         m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
  79         if (c->GetFirstCell() != NULL)
  80         {
  81             m_WParser->CloseContainer();
  82             m_WParser->OpenContainer();
  83         }
  84         else
  85             c->SetAlignHor(wxHTML_ALIGN_CENTER);
  86
  87         if (tag.HasEnding())
  88         {
  89             ParseInner(tag);
  90
  91             m_WParser->SetAlign(old);
  92             if (c->GetFirstCell() != NULL)
  93             {
  94                 m_WParser->CloseContainer();
  95                 m_WParser->OpenContainer();
  96             }
  97             else
  98                 c->SetAlignHor(old);
  99
 100             return TRUE;
 101         }
 102         else return FALSE;
 103     }
 104
 105 TAG_HANDLER_END(CENTER)
 106
 107
 108
 109 TAG_HANDLER_BEGIN(DIV, "DIV")
 110
 111     TAG_HANDLER_PROC(tag)
 112     {
 113         int old = m_WParser->GetAlign();
 114         wxHtmlContainerCell *c = m_WParser->GetContainer();
 115         if (c->GetFirstCell() != NULL)
 116         {
 117             m_WParser->CloseContainer();
 118             m_WParser->OpenContainer();
 119             c = m_WParser->GetContainer();
 120             c->SetAlign(tag);
 121             m_WParser->SetAlign(c->GetAlignHor());
 122         }
 123         else
 124         {
 125             c->SetAlign(tag);
 126             m_WParser->SetAlign(c->GetAlignHor());
 127         }
 128
 129         ParseInner(tag);
 130
 131         m_WParser->SetAlign(old);
 132         if (c->GetFirstCell() != NULL)
 133         {
 134             m_WParser->CloseContainer();
 135             m_WParser->OpenContainer();
 136         }
 137         else
 138             c->SetAlignHor(old);
 139
 140         return TRUE;
 141     }
 142
 143 TAG_HANDLER_END(DIV)
 144
 145
 146
 147
 148 TAG_HANDLER_BEGIN(TITLE, "TITLE")
 149
 150     TAG_HANDLER_PROC(tag)
 151     {
 152         if (m_WParser->GetWindow())
 153         {
 154             wxHtmlWindow *wfr = (wxHtmlWindow*)(m_WParser->GetWindow());
 155             if (wfr)
 156             {
 157                 const wxString& src = *m_WParser->GetSource();
 158                 wfr->OnSetTitle(src.Mid(tag.GetBeginPos(),
 159                                         tag.GetEndPos1()-tag.GetBeginPos()));
 160             }
 161         }
 162         return TRUE;
 163     }
 164
 165 TAG_HANDLER_END(TITLE)
 166
 167
 168
 169
 170 TAG_HANDLER_BEGIN(BODY, "BODY")
 171
 172     TAG_HANDLER_PROC(tag)
 173     {
 174         wxColour clr;
 175
 176         if (tag.GetParamAsColour(wxT("TEXT"), &clr))
 177         {
 178             m_WParser->SetActualColor(clr);
 179             m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr));
 180         }
 181
 182         if (tag.GetParamAsColour(wxT("LINK"), &clr))
 183             m_WParser->SetLinkColor(clr);
 184
 185         if (tag.GetParamAsColour(wxT("BGCOLOR"), &clr))
 186         {
 187             m_WParser->GetContainer()->InsertCell(
 188                 new wxHtmlColourCell(clr, wxHTML_CLR_BACKGROUND));
 189             if (m_WParser->GetWindow() != NULL)
 190                 m_WParser->GetWindow()->SetBackgroundColour(clr);
 191         }
 192         return FALSE;
 193     }
 194
 195 TAG_HANDLER_END(BODY)
 196
 197
 198
 199 TAG_HANDLER_BEGIN(BLOCKQUOTE, "BLOCKQUOTE")
 200
 201     TAG_HANDLER_PROC(tag)
 202     {
 203         wxHtmlContainerCell *c;
 204
 205         m_WParser->CloseContainer();
 206         c = m_WParser->OpenContainer();
 207
 208         if (c->GetAlignHor() == wxHTML_ALIGN_RIGHT)
 209             c->SetIndent(5 * m_WParser->GetCharWidth(), wxHTML_INDENT_RIGHT);
 210         else
 211             c->SetIndent(5 * m_WParser->GetCharWidth(), wxHTML_INDENT_LEFT);
 212
 213         c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
 214         m_WParser->OpenContainer();
 215         ParseInner(tag);
 216         c = m_WParser->CloseContainer();
 217         c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_BOTTOM);
 218         m_WParser->CloseContainer();
 219         m_WParser->OpenContainer();
 220         return TRUE;
 221     }
 222
 223 TAG_HANDLER_END(BLOCKQUOTE)
 224
 225
 226
 227 // Tag handler for tags that we have to ignore, otherwise non-text data
 228 // would show up as text:
 229 TAG_HANDLER_BEGIN(DoNothing, "SCRIPT")
 230     TAG_HANDLER_PROC(tag)
 231     {
 232         return true;
 233     }
 234 TAG_HANDLER_END(DoNothing)
 235
 236
 237
 238 TAGS_MODULE_BEGIN(Layout)
 239
 240     TAGS_MODULE_ADD(P)
 241     TAGS_MODULE_ADD(BR)
 242     TAGS_MODULE_ADD(CENTER)
 243     TAGS_MODULE_ADD(DIV)
 244     TAGS_MODULE_ADD(TITLE)
 245     TAGS_MODULE_ADD(BODY)
 246     TAGS_MODULE_ADD(BLOCKQUOTE)
 247     TAGS_MODULE_ADD(DoNothing)
 248
 249 TAGS_MODULE_END(Layout)
 250
 251 #endif