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 __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                   wxHtmlRenderingState& state);
  48 };
  49
  50 wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCell(), m_Brush(clr, wxSOLID)
  51 {
  52     m_Width =  dc->GetCharHeight();
  53     m_Height = dc->GetCharHeight();
  54     m_Descent = 0;
  55 }
  56
  57
  58
  59 void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y,
  60                               int WXUNUSED(view_y1), int WXUNUSED(view_y2),
  61                               wxHtmlRenderingState& WXUNUSED(state))
  62 {
  63     dc.SetBrush(m_Brush);
  64     dc.DrawEllipse(x + m_PosX + m_Width / 3, y + m_PosY + m_Height / 3,
  65                    (m_Width / 3), (m_Width / 3));
  66 }
  67
  68
  69
  70
  71 //-----------------------------------------------------------------------------
  72 // The list handler:
  73 //-----------------------------------------------------------------------------
  74
  75
  76 TAG_HANDLER_BEGIN(OLULLI, "OL,UL,LI")
  77
  78     TAG_HANDLER_VARS
  79         int m_Numbering;
  80                 // this is number of actual item of list or 0 for dots
  81
  82     TAG_HANDLER_CONSTR(OLULLI)
  83     {
  84         m_Numbering = 0;
  85     }
  86
  87     TAG_HANDLER_PROC(tag)
  88     {
  89         wxHtmlContainerCell *c;
  90
  91         // List Item:
  92         if (tag.GetName() == wxT("LI"))
  93         {
  94             m_WParser->GetContainer()->SetIndent(0, wxHTML_INDENT_TOP);
  95                 // this is to prevent indetation in <li><p> case
  96             m_WParser->CloseContainer();
  97             m_WParser->CloseContainer();
  98
  99             c = m_WParser->OpenContainer();
 100             c->SetWidthFloat(2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS);
 101             if (m_Numbering == 0)
 102             {
 103                 // Centering gives more space after the bullet
 104                 c->SetAlignHor(wxHTML_ALIGN_CENTER);
 105                 c->InsertCell(new wxHtmlListmarkCell(m_WParser->GetDC(), m_WParser->GetActualColor()));
 106             }
 107             else
 108             {
 109                 c->SetAlignHor(wxHTML_ALIGN_RIGHT);
 110                 wxString mark;
 111                 mark.Printf(wxT("%i."), m_Numbering);
 112                 c->InsertCell(new wxHtmlWordCell(mark, *(m_WParser->GetDC())));
 113             }
 114             m_WParser->CloseContainer();
 115
 116             c = m_WParser->OpenContainer();
 117             c->SetIndent(m_WParser->GetCharWidth() / 4, wxHTML_INDENT_LEFT);
 118             c->SetWidthFloat(-2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS);
 119
 120             m_WParser->OpenContainer();
 121
 122             if (m_Numbering != 0) m_Numbering++;
 123
 124             return FALSE;
 125         }
 126
 127         // Begin of List (not-numbered): "UL", "OL"
 128         else
 129         {
 130             int oldnum = m_Numbering;
 131
 132             if (tag.GetName() == wxT("UL")) m_Numbering = 0;
 133             else m_Numbering = 1;
 134
 135             c = m_WParser->GetContainer();
 136             if (c->GetFirstChild() != NULL)
 137             {
 138                 m_WParser->CloseContainer();
 139                 m_WParser->OpenContainer();
 140                 c = m_WParser->GetContainer();
 141             }
 142             c->SetAlignHor(wxHTML_ALIGN_LEFT);
 143             c->SetIndent(2 * m_WParser->GetCharWidth(), wxHTML_INDENT_LEFT);
 144             m_WParser->OpenContainer()->SetAlignVer(wxHTML_ALIGN_TOP);
 145
 146             m_WParser->OpenContainer();
 147             m_WParser->OpenContainer();
 148             ParseInner(tag);
 149
 150             m_WParser->GetContainer()->SetIndent(0, wxHTML_INDENT_TOP);
 151                 // this is to prevent indetation in <li><p> case
 152             m_WParser->CloseContainer();
 153
 154             m_WParser->CloseContainer();
 155             m_WParser->CloseContainer();
 156             m_WParser->CloseContainer();
 157             m_WParser->OpenContainer();
 158
 159             m_Numbering = oldnum;
 160             return TRUE;
 161         }
 162     }
 163
 164 TAG_HANDLER_END(OLULLI)
 165
 166
 167 TAGS_MODULE_BEGIN(List)
 168
 169     TAGS_MODULE_ADD(OLULLI)
 170
 171 TAGS_MODULE_END(List)
 172
 173 #endif