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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
33FORCE_LINK_ME(m_list)
34
35
36//-----------------------------------------------------------------------------
37// wxHtmlListmarkCell
38//-----------------------------------------------------------------------------
39
40class 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
52wxHtmlListmarkCell::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
61void 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
74struct wxHtmlListItemStruct
75{
76 wxHtmlContainerCell *mark;
77 wxHtmlContainerCell *cont;
78 int minWidth;
79 int maxWidth;
80};
81
82class 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
102wxHtmlListCell::wxHtmlListCell(wxHtmlContainerCell *parent) : wxHtmlContainerCell(parent)
103{
104 m_NumRows = 0;
105 m_RowInfo = 0;
106 m_ListmarkWidth = 0;
107}
108
109wxHtmlListCell::~wxHtmlListCell()
110{
111 if (m_RowInfo) free(m_RowInfo);
112}
113
114void 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
135void 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
142void 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
153void 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
182class wxHtmlListcontentCell : public wxHtmlContainerCell
183{
184public:
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
198TAG_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
275TAG_HANDLER_END(OLULLI)
276
277
278TAGS_MODULE_BEGIN(List)
279
280 TAGS_MODULE_ADD(OLULLI)
281
282TAGS_MODULE_END(List)
283
284#endif