| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: m_pre.cpp |
| 3 | // Purpose: wxHtml module for <PRE> ... </PRE> tag (code citation) |
| 4 | // Author: Vaclav Slavik |
| 5 | // RCS-ID: $Id$ |
| 6 | // Copyright: (c) 1999 Vaclav Slavik |
| 7 | // Licence: wxWindows Licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifdef __GNUG__ |
| 11 | #pragma implementation |
| 12 | #endif |
| 13 | |
| 14 | #include "wx/wxprec.h" |
| 15 | |
| 16 | #include "wx/defs.h" |
| 17 | #if wxUSE_HTML && wxUSE_STREAMS |
| 18 | #ifdef __BORDLANDC__ |
| 19 | #pragma hdrstop |
| 20 | #endif |
| 21 | |
| 22 | #ifndef WXPRECOMP |
| 23 | #include "wx/wx.h" |
| 24 | #endif |
| 25 | |
| 26 | |
| 27 | #include "wx/html/forcelnk.h" |
| 28 | #include "wx/html/m_templ.h" |
| 29 | |
| 30 | #include "wx/html/htmlcell.h" |
| 31 | #include "wx/tokenzr.h" |
| 32 | #include "wx/encconv.h" |
| 33 | |
| 34 | FORCE_LINK_ME(m_pre) |
| 35 | |
| 36 | |
| 37 | //----------------------------------------------------------------------------- |
| 38 | // wxHtmlCodeCell |
| 39 | //----------------------------------------------------------------------------- |
| 40 | |
| 41 | class wxHtmlPRECell : public wxHtmlCell |
| 42 | { |
| 43 | private: |
| 44 | wxString** m_Text; |
| 45 | // list of wxString objects. |
| 46 | int m_LinesCnt; |
| 47 | // number of lines |
| 48 | int m_LineHeight; |
| 49 | // height of single line of text |
| 50 | |
| 51 | public: |
| 52 | wxHtmlPRECell(const wxString& s, wxDC& dc); |
| 53 | ~wxHtmlPRECell(); |
| 54 | void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); |
| 55 | }; |
| 56 | |
| 57 | |
| 58 | wxHtmlPRECell::wxHtmlPRECell(const wxString& s, wxDC& dc) : wxHtmlCell() |
| 59 | { |
| 60 | wxStringTokenizer tokenizer(s, "\n"); |
| 61 | wxString tmp; |
| 62 | long int x, z; |
| 63 | int i; |
| 64 | |
| 65 | m_LineHeight = dc.GetCharHeight(); |
| 66 | m_LinesCnt = 0; |
| 67 | m_Text = NULL; |
| 68 | m_Width = m_Height = 0; |
| 69 | |
| 70 | i = 0; |
| 71 | while (tokenizer.HasMoreTokens()) { |
| 72 | if (i % 10 == 0) m_Text = (wxString**) realloc(m_Text, sizeof(wxString*) * (i + 10)); |
| 73 | tmp = tokenizer.NextToken(); |
| 74 | tmp.Replace(wxT("©"), wxT("(c)"), TRUE); |
| 75 | tmp.Replace(wxT(" "), wxT(" "), TRUE); |
| 76 | tmp.Replace(wxT("""), wxT("\""), TRUE); |
| 77 | tmp.Replace(wxT("<"), wxT("<"), TRUE); |
| 78 | tmp.Replace(wxT(">"), wxT(">"), TRUE); |
| 79 | tmp.Replace(wxT("&"), wxT("&"), TRUE); |
| 80 | tmp.Replace(wxT("\t"), wxT(" "), TRUE); |
| 81 | tmp.Replace(wxT("\r"), wxT(""), TRUE); |
| 82 | m_Text[i++] = new wxString(tmp); |
| 83 | |
| 84 | dc.GetTextExtent(tmp, &x, &z, &z); |
| 85 | if (x > m_Width) m_Width = x; |
| 86 | m_Height += m_LineHeight; |
| 87 | m_LinesCnt++; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | |
| 92 | |
| 93 | wxHtmlPRECell::~wxHtmlPRECell() |
| 94 | { |
| 95 | for (int i = 0; i < m_LinesCnt; i++) delete m_Text[i]; |
| 96 | free(m_Text); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | void wxHtmlPRECell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) |
| 101 | { |
| 102 | for (int i = 0; i < m_LinesCnt; i++) |
| 103 | dc.DrawText(*(m_Text[i]), x + m_PosX, y + m_PosY + m_LineHeight * i); |
| 104 | |
| 105 | wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); |
| 106 | } |
| 107 | |
| 108 | |
| 109 | |
| 110 | |
| 111 | //----------------------------------------------------------------------------- |
| 112 | // The list handler: |
| 113 | //----------------------------------------------------------------------------- |
| 114 | |
| 115 | |
| 116 | TAG_HANDLER_BEGIN(PRE, "PRE") |
| 117 | |
| 118 | TAG_HANDLER_PROC(tag) |
| 119 | { |
| 120 | wxHtmlContainerCell *c; |
| 121 | |
| 122 | int fixed = m_WParser -> GetFontFixed(), |
| 123 | italic = m_WParser -> GetFontItalic(), |
| 124 | underlined = m_WParser -> GetFontUnderlined(), |
| 125 | bold = m_WParser -> GetFontBold(), |
| 126 | fsize = m_WParser -> GetFontSize(); |
| 127 | |
| 128 | m_WParser -> CloseContainer(); |
| 129 | c = m_WParser -> OpenContainer(); |
| 130 | c -> SetAlignHor(wxHTML_ALIGN_LEFT); |
| 131 | c -> SetIndent(m_WParser -> GetCharHeight(), wxHTML_INDENT_VERTICAL); |
| 132 | |
| 133 | m_WParser -> SetFontUnderlined(FALSE); |
| 134 | m_WParser -> SetFontBold(FALSE); |
| 135 | m_WParser -> SetFontItalic(FALSE); |
| 136 | m_WParser -> SetFontFixed(TRUE); |
| 137 | m_WParser -> SetFontSize(3); |
| 138 | c -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont())); |
| 139 | |
| 140 | { |
| 141 | wxString cit; |
| 142 | wxEncodingConverter *encconv = m_WParser -> GetEncodingConverter(); |
| 143 | cit = m_WParser -> GetSource() -> Mid(tag.GetBeginPos(), |
| 144 | tag.GetEndPos1() - tag.GetBeginPos()); |
| 145 | if (encconv) |
| 146 | c -> InsertCell(new wxHtmlPRECell(encconv -> Convert(cit), |
| 147 | *(m_WParser -> GetDC()))); |
| 148 | else |
| 149 | c -> InsertCell(new wxHtmlPRECell(cit, |
| 150 | *(m_WParser -> GetDC()))); |
| 151 | } |
| 152 | |
| 153 | m_WParser -> SetFontUnderlined(underlined); |
| 154 | m_WParser -> SetFontBold(bold); |
| 155 | m_WParser -> SetFontItalic(italic); |
| 156 | m_WParser -> SetFontFixed(fixed); |
| 157 | m_WParser -> SetFontSize(fsize); |
| 158 | c -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont())); |
| 159 | |
| 160 | m_WParser -> CloseContainer(); |
| 161 | m_WParser -> OpenContainer(); |
| 162 | return TRUE; |
| 163 | } |
| 164 | |
| 165 | TAG_HANDLER_END(PRE) |
| 166 | |
| 167 | |
| 168 | |
| 169 | |
| 170 | |
| 171 | TAGS_MODULE_BEGIN(Pre) |
| 172 | |
| 173 | TAGS_MODULE_ADD(PRE) |
| 174 | |
| 175 | TAGS_MODULE_END(Pre) |
| 176 | |
| 177 | #endif |