src/html/m_list.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        m_list.cpp
   3 // Purpose:     wxHtml module for lists
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WXPRECOMP
  24     #include "wx/brush.h"
  25     #include "wx/dc.h"
  26 #endif
  27
  28 #include "wx/html/forcelnk.h"
  29 #include "wx/html/m_templ.h"
  30
  31 #include "wx/html/htmlcell.h"
  32
  33 FORCE_LINK_ME(m_list)
  34
  35
  36 //-----------------------------------------------------------------------------
  37 // wxHtmlListmarkCell
  38 //-----------------------------------------------------------------------------
  39
  40 class wxHtmlListmarkCell : public wxHtmlCell
  41 {
  42     private:
  43         wxBrush m_Brush;
  44     public:
  45         wxHtmlListmarkCell(wxDC *dc, const wxColour& clr);
  46         void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
  47                   wxHtmlRenderingInfo& info);
  48
  49     DECLARE_NO_COPY_CLASS(wxHtmlListmarkCell)
  50 };
  51
  52 wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCell(), m_Brush(clr, wxSOLID)
  53 {
  54     m_Width =  dc->GetCharHeight();
  55     m_Height = dc->GetCharHeight();
  56     m_Descent = 0;
  57 }
  58
  59
  60
  61 void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y,
  62                               int WXUNUSED(view_y1), int WXUNUSED(view_y2),
  63                               wxHtmlRenderingInfo& WXUNUSED(info))
  64 {
  65     dc.SetBrush(m_Brush);
  66     dc.DrawEllipse(x + m_PosX + m_Width / 3, y + m_PosY + m_Height / 3,
  67                    (m_Width / 3), (m_Width / 3));
  68 }
  69
  70
  71
  72
  73 //-----------------------------------------------------------------------------
  74 // The list handler:
  75 //-----------------------------------------------------------------------------
  76
  77
  78 TAG_HANDLER_BEGIN(OLULLI, "OL,UL,LI")
  79
  80     TAG_HANDLER_VARS
  81         int m_Numbering;
  82                 // this is number of actual item of list or 0 for dots
  83
  84     TAG_HANDLER_CONSTR(OLULLI)
  85     {
  86         m_Numbering = 0;
  87     }
  88
  89     TAG_HANDLER_PROC(tag)
  90     {
  91         wxHtmlContainerCell *c;
  92
  93         // List Item:
  94         if (tag.GetName() == wxT("LI"))
  95         {
  96             m_WParser->GetContainer()->SetIndent(0, wxHTML_INDENT_TOP);
  97                 // this is to prevent indetation in <li><p> case
  98             m_WParser->CloseContainer();
  99             m_WParser->CloseContainer();
 100
 101             c = m_WParser->OpenContainer();
 102             c->SetWidthFloat(2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS);
 103             if (m_Numbering == 0)
 104             {
 105                 // Centering gives more space after the bullet
 106                 c->SetAlignHor(wxHTML_ALIGN_CENTER);
 107                 c->InsertCell(new wxHtmlListmarkCell(m_WParser->GetDC(), m_WParser->GetActualColor()));
 108             }
 109             else
 110             {
 111                 c->SetAlignHor(wxHTML_ALIGN_RIGHT);
 112                 wxString mark;
 113                 mark.Printf(wxT("%i."), m_Numbering);
 114                 c->InsertCell(new wxHtmlWordCell(mark, *(m_WParser->GetDC())));
 115             }
 116             m_WParser->CloseContainer();
 117
 118             c = m_WParser->OpenContainer();
 119             c->SetIndent(m_WParser->GetCharWidth() / 4, wxHTML_INDENT_LEFT);
 120             c->SetWidthFloat(-2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS);
 121
 122             m_WParser->OpenContainer();
 123
 124             if (m_Numbering != 0) m_Numbering++;
 125
 126             return FALSE;
 127         }
 128
 129         // Begin of List (not-numbered): "UL", "OL"
 130         else
 131         {
 132             int oldnum = m_Numbering;
 133
 134             if (tag.GetName() == wxT("UL")) m_Numbering = 0;
 135             else m_Numbering = 1;
 136
 137             c = m_WParser->GetContainer();
 138             if (c->GetFirstChild() != NULL)
 139             {
 140                 m_WParser->CloseContainer();
 141                 m_WParser->OpenContainer();
 142                 c = m_WParser->GetContainer();
 143             }
 144             c->SetAlignHor(wxHTML_ALIGN_LEFT);
 145             c->SetIndent(2 * m_WParser->GetCharWidth(), wxHTML_INDENT_LEFT);
 146             m_WParser->OpenContainer()->SetAlignVer(wxHTML_ALIGN_TOP);
 147
 148             m_WParser->OpenContainer();
 149             m_WParser->OpenContainer();
 150             ParseInner(tag);
 151
 152             m_WParser->GetContainer()->SetIndent(0, wxHTML_INDENT_TOP);
 153                 // this is to prevent indetation in <li><p> case
 154             m_WParser->CloseContainer();
 155
 156             m_WParser->CloseContainer();
 157             m_WParser->CloseContainer();
 158             m_WParser->CloseContainer();
 159             m_WParser->OpenContainer();
 160
 161             m_Numbering = oldnum;
 162             return TRUE;
 163         }
 164     }
 165
 166 TAG_HANDLER_END(OLULLI)
 167
 168
 169 TAGS_MODULE_BEGIN(List)
 170
 171     TAGS_MODULE_ADD(OLULLI)
 172
 173 TAGS_MODULE_END(List)
 174
 175 #endif