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 #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
  19 #ifdef __BORDLANDC__
  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 };
  48
  49 wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCell(), m_Brush(clr, wxSOLID)
  50 {
  51     m_Width =  dc->GetCharHeight();
  52     m_Height = dc->GetCharHeight();
  53     m_Descent = 0;
  54 }
  55
  56
  57
  58 void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2))
  59 {
  60     dc.SetBrush(m_Brush);
  61     dc.DrawEllipse(x + m_PosX + m_Width / 3, y + m_PosY + m_Height / 3,
  62                    (m_Width / 3), (m_Width / 3));
  63 }
  64
  65
  66
  67
  68 //-----------------------------------------------------------------------------
  69 // The list handler:
  70 //-----------------------------------------------------------------------------
  71
  72
  73 TAG_HANDLER_BEGIN(OLULLI, "OL,UL,LI")
  74
  75     TAG_HANDLER_VARS
  76         int m_Numbering;
  77                 // this is number of actual item of list or 0 for dots
  78
  79     TAG_HANDLER_CONSTR(OLULLI)
  80     {
  81         m_Numbering = 0;
  82     }
  83
  84     TAG_HANDLER_PROC(tag)
  85     {
  86         wxHtmlContainerCell *c;
  87
  88         // List Item:
  89         if (tag.GetName() == wxT("LI"))
  90         {
  91             m_WParser->GetContainer()->SetIndent(0, wxHTML_INDENT_TOP);
  92                 // this is to prevent indetation in <li><p> case
  93             m_WParser->CloseContainer();
  94             m_WParser->CloseContainer();
  95
  96             c = m_WParser->OpenContainer();
  97             c->SetWidthFloat(2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS);
  98             if (m_Numbering == 0)
  99             {
 100                 // Centering gives more space after the bullet
 101                 c->SetAlignHor(wxHTML_ALIGN_CENTER);
 102                 c->InsertCell(new wxHtmlListmarkCell(m_WParser->GetDC(), m_WParser->GetActualColor()));
 103             }
 104             else
 105             {
 106                 c->SetAlignHor(wxHTML_ALIGN_RIGHT);
 107                 wxString mark;
 108                 mark.Printf(wxT("%i."), m_Numbering);
 109                 c->InsertCell(new wxHtmlWordCell(mark, *(m_WParser->GetDC())));
 110             }
 111             m_WParser->CloseContainer();
 112
 113             c = m_WParser->OpenContainer();
 114             c->SetIndent(m_WParser->GetCharWidth() / 4, wxHTML_INDENT_LEFT);
 115             c->SetWidthFloat(-2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS);
 116
 117             m_WParser->OpenContainer();
 118
 119             if (m_Numbering != 0) m_Numbering++;
 120
 121             return FALSE;
 122         }
 123
 124         // Begin of List (not-numbered): "UL", "OL"
 125         else
 126         {
 127             int oldnum = m_Numbering;
 128
 129             if (tag.GetName() == wxT("UL")) m_Numbering = 0;
 130             else m_Numbering = 1;
 131
 132             c = m_WParser->GetContainer();
 133             if (c->GetFirstCell() != NULL)
 134             {
 135                 m_WParser->CloseContainer();
 136                 m_WParser->OpenContainer();
 137                 c = m_WParser->GetContainer();
 138             }
 139             c->SetAlignHor(wxHTML_ALIGN_LEFT);
 140             c->SetIndent(2 * m_WParser->GetCharWidth(), wxHTML_INDENT_LEFT);
 141             m_WParser->OpenContainer()->SetAlignVer(wxHTML_ALIGN_TOP);
 142
 143             m_WParser->OpenContainer();
 144             m_WParser->OpenContainer();
 145             ParseInner(tag);
 146
 147             m_WParser->GetContainer()->SetIndent(0, wxHTML_INDENT_TOP);
 148                 // this is to prevent indetation in <li><p> case
 149             m_WParser->CloseContainer();
 150
 151             m_WParser->CloseContainer();
 152             m_WParser->CloseContainer();
 153             m_WParser->CloseContainer();
 154             m_WParser->OpenContainer();
 155
 156             m_Numbering = oldnum;
 157             return TRUE;
 158         }
 159     }
 160
 161 TAG_HANDLER_END(OLULLI)
 162
 163
 164 TAGS_MODULE_BEGIN(List)
 165
 166     TAGS_MODULE_ADD(OLULLI)
 167
 168 TAGS_MODULE_END(List)
 169
 170 #endif