| 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 | // wxHtmlListCell |
| 72 | //----------------------------------------------------------------------------- |
| 73 | |
| 74 | struct wxHtmlListItemStruct |
| 75 | { |
| 76 | wxHtmlContainerCell *mark; |
| 77 | wxHtmlContainerCell *cont; |
| 78 | int minWidth; |
| 79 | int maxWidth; |
| 80 | }; |
| 81 | |
| 82 | class wxHtmlListCell : public wxHtmlContainerCell |
| 83 | { |
| 84 | private: |
| 85 | wxBrush m_Brush; |
| 86 | |
| 87 | int m_NumRows; |
| 88 | wxHtmlListItemStruct *m_RowInfo; |
| 89 | void ReallocRows(int rows); |
| 90 | void ComputeMinMaxWidths(); |
| 91 | int m_ListmarkWidth; |
| 92 | |
| 93 | public: |
| 94 | wxHtmlListCell(wxHtmlContainerCell *parent); |
| 95 | virtual ~wxHtmlListCell(); |
| 96 | void AddRow(wxHtmlContainerCell *mark, wxHtmlContainerCell *cont); |
| 97 | virtual void Layout(int w); |
| 98 | |
| 99 | DECLARE_NO_COPY_CLASS(wxHtmlListCell) |
| 100 | }; |
| 101 | |
| 102 | wxHtmlListCell::wxHtmlListCell(wxHtmlContainerCell *parent) : wxHtmlContainerCell(parent) |
| 103 | { |
| 104 | m_NumRows = 0; |
| 105 | m_RowInfo = 0; |
| 106 | m_ListmarkWidth = 0; |
| 107 | } |
| 108 | |
| 109 | wxHtmlListCell::~wxHtmlListCell() |
| 110 | { |
| 111 | if (m_RowInfo) free(m_RowInfo); |
| 112 | } |
| 113 | |
| 114 | void wxHtmlListCell::Layout(int w) |
| 115 | { |
| 116 | wxHtmlCell::Layout(w); |
| 117 | |
| 118 | ComputeMinMaxWidths(); |
| 119 | m_Width = wxMax(m_Width, wxMin(w, GetMaxTotalWidth())); |
| 120 | |
| 121 | int s_width = m_Width - m_IndentLeft; |
| 122 | |
| 123 | int vpos = 0; |
| 124 | for (int r = 0; r < m_NumRows; r++) |
| 125 | { |
| 126 | m_RowInfo[r].mark->Layout(m_ListmarkWidth); |
| 127 | m_RowInfo[r].mark->SetPos(m_IndentLeft, vpos); |
| 128 | m_RowInfo[r].cont->Layout(s_width - m_ListmarkWidth); |
| 129 | m_RowInfo[r].cont->SetPos(m_IndentLeft + m_ListmarkWidth, vpos); |
| 130 | vpos += wxMax(m_RowInfo[r].cont->GetHeight(), m_RowInfo[r].mark->GetHeight()); |
| 131 | } |
| 132 | m_Height = vpos; |
| 133 | } |
| 134 | |
| 135 | void wxHtmlListCell::AddRow(wxHtmlContainerCell *mark, wxHtmlContainerCell *cont) |
| 136 | { |
| 137 | ReallocRows(++m_NumRows); |
| 138 | m_RowInfo[m_NumRows - 1].mark = mark; |
| 139 | m_RowInfo[m_NumRows - 1].cont = cont; |
| 140 | } |
| 141 | |
| 142 | void wxHtmlListCell::ReallocRows(int rows) |
| 143 | { |
| 144 | m_RowInfo = (wxHtmlListItemStruct*) realloc(m_RowInfo, sizeof(wxHtmlListItemStruct) * rows); |
| 145 | m_RowInfo[rows - 1].mark = 0; |
| 146 | m_RowInfo[rows - 1].cont = 0; |
| 147 | m_RowInfo[rows - 1].minWidth = 0; |
| 148 | m_RowInfo[rows - 1].maxWidth = 0; |
| 149 | |
| 150 | m_NumRows = rows; |
| 151 | } |
| 152 | |
| 153 | void wxHtmlListCell::ComputeMinMaxWidths() |
| 154 | { |
| 155 | if (m_NumRows == 0) return; |
| 156 | |
| 157 | m_MaxTotalWidth = 0; |
| 158 | m_Width = 0; |
| 159 | |
| 160 | for (int r = 0; r < m_NumRows; r++) |
| 161 | { |
| 162 | wxHtmlListItemStruct& row = m_RowInfo[r]; |
| 163 | row.mark->Layout(1); |
| 164 | row.cont->Layout(1); |
| 165 | int maxWidth = row.cont->GetMaxTotalWidth(); |
| 166 | int width = row.cont->GetWidth(); |
| 167 | if (row.mark->GetWidth() > m_ListmarkWidth) |
| 168 | m_ListmarkWidth = row.mark->GetWidth(); |
| 169 | if (maxWidth > m_MaxTotalWidth) |
| 170 | m_MaxTotalWidth = maxWidth; |
| 171 | if (width > m_Width) |
| 172 | m_Width = width; |
| 173 | } |
| 174 | m_Width += m_ListmarkWidth + m_IndentLeft; |
| 175 | m_MaxTotalWidth += m_ListmarkWidth + m_IndentLeft; |
| 176 | } |
| 177 | |
| 178 | //----------------------------------------------------------------------------- |
| 179 | // wxHtmlListcontentCell |
| 180 | //----------------------------------------------------------------------------- |
| 181 | |
| 182 | class wxHtmlListcontentCell : public wxHtmlContainerCell |
| 183 | { |
| 184 | public: |
| 185 | wxHtmlListcontentCell(wxHtmlContainerCell *p) : wxHtmlContainerCell(p) {} |
| 186 | virtual void Layout(int w) { |
| 187 | // Reset top indentation, fixes <li><p> |
| 188 | SetIndent(0, wxHTML_INDENT_TOP); |
| 189 | wxHtmlContainerCell::Layout(w); |
| 190 | } |
| 191 | }; |
| 192 | |
| 193 | //----------------------------------------------------------------------------- |
| 194 | // The list handler: |
| 195 | //----------------------------------------------------------------------------- |
| 196 | |
| 197 | |
| 198 | TAG_HANDLER_BEGIN(OLULLI, "OL,UL,LI") |
| 199 | |
| 200 | TAG_HANDLER_VARS |
| 201 | wxHtmlListCell *m_List; |
| 202 | int m_Numbering; |
| 203 | // this is number of actual item of list or 0 for dots |
| 204 | |
| 205 | TAG_HANDLER_CONSTR(OLULLI) |
| 206 | { |
| 207 | m_List = NULL; |
| 208 | m_Numbering = 0; |
| 209 | } |
| 210 | |
| 211 | TAG_HANDLER_PROC(tag) |
| 212 | { |
| 213 | wxHtmlContainerCell *c; |
| 214 | |
| 215 | // List Item: |
| 216 | if (m_List && tag.GetName() == wxT("LI")) |
| 217 | { |
| 218 | c = m_WParser->SetContainer(new wxHtmlContainerCell(m_List)); |
| 219 | c->SetAlignVer(wxHTML_ALIGN_TOP); |
| 220 | |
| 221 | wxHtmlContainerCell *mark = c; |
| 222 | c->SetWidthFloat(2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS); |
| 223 | if (m_Numbering == 0) |
| 224 | { |
| 225 | // Centering gives more space after the bullet |
| 226 | c->SetAlignHor(wxHTML_ALIGN_CENTER); |
| 227 | c->InsertCell(new wxHtmlListmarkCell(m_WParser->GetDC(), m_WParser->GetActualColor())); |
| 228 | } |
| 229 | else |
| 230 | { |
| 231 | c->SetAlignHor(wxHTML_ALIGN_RIGHT); |
| 232 | wxString mark; |
| 233 | mark.Printf(wxT("%i."), m_Numbering); |
| 234 | c->InsertCell(new wxHtmlWordCell(mark, *(m_WParser->GetDC()))); |
| 235 | } |
| 236 | m_WParser->CloseContainer(); |
| 237 | |
| 238 | c = m_WParser->OpenContainer(); |
| 239 | |
| 240 | m_List->AddRow(mark, c); |
| 241 | c = m_WParser->OpenContainer(); |
| 242 | m_WParser->SetContainer(new wxHtmlListcontentCell(c)); |
| 243 | |
| 244 | if (m_Numbering != 0) m_Numbering++; |
| 245 | } |
| 246 | |
| 247 | // Begin of List (not-numbered): "UL", "OL" |
| 248 | else if (tag.GetName() == wxT("UL") || tag.GetName() == wxT("OL")) |
| 249 | { |
| 250 | int oldnum = m_Numbering; |
| 251 | |
| 252 | if (tag.GetName() == wxT("UL")) m_Numbering = 0; |
| 253 | else m_Numbering = 1; |
| 254 | |
| 255 | wxHtmlContainerCell *oldcont; |
| 256 | oldcont = c = m_WParser->OpenContainer(); |
| 257 | |
| 258 | wxHtmlListCell *oldList = m_List; |
| 259 | m_List = new wxHtmlListCell(c); |
| 260 | m_List->SetIndent(2 * m_WParser->GetCharWidth(), wxHTML_INDENT_LEFT); |
| 261 | |
| 262 | ParseInner(tag); |
| 263 | |
| 264 | m_WParser->SetContainer(oldcont); |
| 265 | m_WParser->CloseContainer(); |
| 266 | |
| 267 | m_Numbering = oldnum; |
| 268 | m_List = oldList; |
| 269 | return true; |
| 270 | } |
| 271 | return false; |
| 272 | |
| 273 | } |
| 274 | |
| 275 | TAG_HANDLER_END(OLULLI) |
| 276 | |
| 277 | |
| 278 | TAGS_MODULE_BEGIN(List) |
| 279 | |
| 280 | TAGS_MODULE_ADD(OLULLI) |
| 281 | |
| 282 | TAGS_MODULE_END(List) |
| 283 | |
| 284 | #endif |