| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: htmlcell.cpp |
| 3 | // Purpose: wxHtmlCell - basic element of HTML output |
| 4 | // Author: Vaclav Slavik |
| 5 | // RCS-ID: $Id$ |
| 6 | // Copyright: (c) 1999 Vaclav Slavik |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 11 | #pragma implementation "htmlcell.h" |
| 12 | #endif |
| 13 | |
| 14 | #include "wx/wxprec.h" |
| 15 | |
| 16 | #include "wx/defs.h" |
| 17 | |
| 18 | #if wxUSE_HTML && wxUSE_STREAMS |
| 19 | |
| 20 | #ifdef __BORLANDC__ |
| 21 | #pragma hdrstop |
| 22 | #endif |
| 23 | |
| 24 | #ifndef WXPRECOMP |
| 25 | #include "wx/brush.h" |
| 26 | #include "wx/colour.h" |
| 27 | #include "wx/dc.h" |
| 28 | #endif |
| 29 | |
| 30 | #include "wx/html/htmlcell.h" |
| 31 | #include "wx/html/htmlwin.h" |
| 32 | #include "wx/settings.h" |
| 33 | #include "wx/module.h" |
| 34 | #include "wx/dynarray.h" |
| 35 | |
| 36 | #include <stdlib.h> |
| 37 | |
| 38 | //----------------------------------------------------------------------------- |
| 39 | // Global variables |
| 40 | //----------------------------------------------------------------------------- |
| 41 | |
| 42 | static wxCursor *gs_cursorLink = NULL; |
| 43 | static wxCursor *gs_cursorText = NULL; |
| 44 | |
| 45 | |
| 46 | //----------------------------------------------------------------------------- |
| 47 | // Helper classes |
| 48 | //----------------------------------------------------------------------------- |
| 49 | |
| 50 | void wxHtmlSelection::Set(const wxPoint& fromPos, const wxHtmlCell *fromCell, |
| 51 | const wxPoint& toPos, const wxHtmlCell *toCell) |
| 52 | { |
| 53 | m_fromCell = fromCell; |
| 54 | m_toCell = toCell; |
| 55 | m_fromPos = fromPos; |
| 56 | m_toPos = toPos; |
| 57 | } |
| 58 | |
| 59 | void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell) |
| 60 | { |
| 61 | wxPoint p1 = fromCell ? fromCell->GetAbsPos() : wxDefaultPosition; |
| 62 | wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition; |
| 63 | if ( toCell ) |
| 64 | { |
| 65 | p2.x += toCell->GetWidth(); |
| 66 | p2.y += toCell->GetHeight(); |
| 67 | } |
| 68 | Set(p1, fromCell, p2, toCell); |
| 69 | } |
| 70 | |
| 71 | wxColour |
| 72 | wxDefaultHtmlRenderingStyle:: |
| 73 | GetSelectedTextColour(const wxColour& WXUNUSED(clr)) |
| 74 | { |
| 75 | return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); |
| 76 | } |
| 77 | |
| 78 | wxColour |
| 79 | wxDefaultHtmlRenderingStyle:: |
| 80 | GetSelectedTextBgColour(const wxColour& WXUNUSED(clr)) |
| 81 | { |
| 82 | return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT); |
| 83 | } |
| 84 | |
| 85 | |
| 86 | //----------------------------------------------------------------------------- |
| 87 | // wxHtmlCell |
| 88 | //----------------------------------------------------------------------------- |
| 89 | |
| 90 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject) |
| 91 | |
| 92 | wxHtmlCell::wxHtmlCell() : wxObject() |
| 93 | { |
| 94 | m_Next = NULL; |
| 95 | m_Parent = NULL; |
| 96 | m_Width = m_Height = m_Descent = 0; |
| 97 | m_CanLiveOnPagebreak = true; |
| 98 | m_Link = NULL; |
| 99 | } |
| 100 | |
| 101 | wxHtmlCell::~wxHtmlCell() |
| 102 | { |
| 103 | delete m_Link; |
| 104 | } |
| 105 | |
| 106 | |
| 107 | void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y, |
| 108 | const wxMouseEvent& event) |
| 109 | { |
| 110 | wxHtmlLinkInfo *lnk = GetLink(x, y); |
| 111 | if (lnk != NULL) |
| 112 | { |
| 113 | wxHtmlLinkInfo lnk2(*lnk); |
| 114 | lnk2.SetEvent(&event); |
| 115 | lnk2.SetHtmlCell(this); |
| 116 | |
| 117 | // note : this cast is legal because parent is *always* wxHtmlWindow |
| 118 | wxStaticCast(parent, wxHtmlWindow)->OnLinkClicked(lnk2); |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | |
| 123 | wxCursor wxHtmlCell::GetCursor() const |
| 124 | { |
| 125 | if ( GetLink() ) |
| 126 | { |
| 127 | if ( !gs_cursorLink ) |
| 128 | gs_cursorLink = new wxCursor(wxCURSOR_HAND); |
| 129 | return *gs_cursorLink; |
| 130 | } |
| 131 | else |
| 132 | return *wxSTANDARD_CURSOR; |
| 133 | } |
| 134 | |
| 135 | |
| 136 | bool wxHtmlCell::AdjustPagebreak(int *pagebreak, int* WXUNUSED(known_pagebreaks), int WXUNUSED(number_of_pages)) const |
| 137 | { |
| 138 | if ((!m_CanLiveOnPagebreak) && |
| 139 | m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak) |
| 140 | { |
| 141 | *pagebreak = m_PosY; |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | return false; |
| 146 | } |
| 147 | |
| 148 | |
| 149 | |
| 150 | void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link) |
| 151 | { |
| 152 | if (m_Link) delete m_Link; |
| 153 | m_Link = NULL; |
| 154 | if (link.GetHref() != wxEmptyString) |
| 155 | m_Link = new wxHtmlLinkInfo(link); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | void wxHtmlCell::Layout(int WXUNUSED(w)) |
| 160 | { |
| 161 | SetPos(0, 0); |
| 162 | } |
| 163 | |
| 164 | |
| 165 | |
| 166 | const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const |
| 167 | { |
| 168 | return NULL; |
| 169 | } |
| 170 | |
| 171 | |
| 172 | wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y, |
| 173 | unsigned flags) const |
| 174 | { |
| 175 | if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height ) |
| 176 | { |
| 177 | return wxConstCast(this, wxHtmlCell); |
| 178 | } |
| 179 | else |
| 180 | { |
| 181 | if ((flags & wxHTML_FIND_NEAREST_AFTER) && |
| 182 | (y < 0 || (y < 0+m_Height && x < 0+m_Width))) |
| 183 | return wxConstCast(this, wxHtmlCell); |
| 184 | else if ((flags & wxHTML_FIND_NEAREST_BEFORE) && |
| 185 | (y >= 0+m_Height || (y >= 0 && x >= 0))) |
| 186 | return wxConstCast(this, wxHtmlCell); |
| 187 | else |
| 188 | return NULL; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | |
| 193 | wxPoint wxHtmlCell::GetAbsPos() const |
| 194 | { |
| 195 | wxPoint p(m_PosX, m_PosY); |
| 196 | for (wxHtmlCell *parent = m_Parent; parent; parent = parent->m_Parent) |
| 197 | { |
| 198 | p.x += parent->m_PosX; |
| 199 | p.y += parent->m_PosY; |
| 200 | } |
| 201 | return p; |
| 202 | } |
| 203 | |
| 204 | unsigned wxHtmlCell::GetDepth() const |
| 205 | { |
| 206 | unsigned d = 0; |
| 207 | for (wxHtmlCell *p = m_Parent; p; p = p->m_Parent) |
| 208 | d++; |
| 209 | return d; |
| 210 | } |
| 211 | |
| 212 | bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const |
| 213 | { |
| 214 | const wxHtmlCell *c1 = this; |
| 215 | const wxHtmlCell *c2 = cell; |
| 216 | unsigned d1 = GetDepth(); |
| 217 | unsigned d2 = cell->GetDepth(); |
| 218 | |
| 219 | if ( d1 > d2 ) |
| 220 | for (; d1 != d2; d1-- ) |
| 221 | c1 = c1->m_Parent; |
| 222 | else if ( d1 < d2 ) |
| 223 | for (; d1 != d2; d2-- ) |
| 224 | c2 = c2->m_Parent; |
| 225 | |
| 226 | if ( cell == this ) |
| 227 | return true; |
| 228 | |
| 229 | while ( c1 && c2 ) |
| 230 | { |
| 231 | if ( c1->m_Parent == c2->m_Parent ) |
| 232 | { |
| 233 | while ( c1 ) |
| 234 | { |
| 235 | if ( c1 == c2 ) |
| 236 | return true; |
| 237 | c1 = c1->GetNext(); |
| 238 | } |
| 239 | return false; |
| 240 | } |
| 241 | else |
| 242 | { |
| 243 | c1 = c1->m_Parent; |
| 244 | c2 = c2->m_Parent; |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | wxFAIL_MSG(_T("Cells are in different trees")); |
| 249 | return false; |
| 250 | } |
| 251 | |
| 252 | |
| 253 | //----------------------------------------------------------------------------- |
| 254 | // wxHtmlWordCell |
| 255 | //----------------------------------------------------------------------------- |
| 256 | |
| 257 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell) |
| 258 | |
| 259 | wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell() |
| 260 | { |
| 261 | m_Word = word; |
| 262 | dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent); |
| 263 | SetCanLiveOnPagebreak(false); |
| 264 | m_allowLinebreak = true; |
| 265 | } |
| 266 | |
| 267 | void wxHtmlWordCell::SetPreviousWord(wxHtmlWordCell *cell) |
| 268 | { |
| 269 | if ( cell && m_Parent == cell->m_Parent && |
| 270 | !wxIsspace(cell->m_Word.Last()) && !wxIsspace(m_Word[0u]) ) |
| 271 | { |
| 272 | m_allowLinebreak = false; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | // Splits m_Word into up to three parts according to selection, returns |
| 277 | // substring before, in and after selection and the points (in relative coords) |
| 278 | // where s2 and s3 start: |
| 279 | void wxHtmlWordCell::Split(wxDC& dc, |
| 280 | const wxPoint& selFrom, const wxPoint& selTo, |
| 281 | unsigned& pos1, unsigned& pos2) const |
| 282 | { |
| 283 | wxPoint pt1 = (selFrom == wxDefaultPosition) ? |
| 284 | wxDefaultPosition : selFrom - GetAbsPos(); |
| 285 | wxPoint pt2 = (selTo == wxDefaultPosition) ? |
| 286 | wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos(); |
| 287 | |
| 288 | wxCoord charW, charH; |
| 289 | unsigned len = m_Word.length(); |
| 290 | unsigned i = 0; |
| 291 | pos1 = 0; |
| 292 | |
| 293 | // adjust for cases when the start/end position is completely |
| 294 | // outside the cell: |
| 295 | if ( pt1.y < 0 ) |
| 296 | pt1.x = 0; |
| 297 | if ( pt2.y >= m_Height ) |
| 298 | pt2.x = m_Width; |
| 299 | |
| 300 | // before selection: |
| 301 | while ( pt1.x > 0 && i < len ) |
| 302 | { |
| 303 | dc.GetTextExtent(m_Word[i], &charW, &charH); |
| 304 | pt1.x -= charW; |
| 305 | if ( pt1.x >= 0 ) |
| 306 | { |
| 307 | pos1 += charW; |
| 308 | i++; |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | // in selection: |
| 313 | unsigned j = i; |
| 314 | pos2 = pos1; |
| 315 | pt2.x -= pos2; |
| 316 | while ( pt2.x > 0 && j < len ) |
| 317 | { |
| 318 | dc.GetTextExtent(m_Word[j], &charW, &charH); |
| 319 | pt2.x -= charW; |
| 320 | if ( pt2.x >= 0 ) |
| 321 | { |
| 322 | pos2 += charW; |
| 323 | j++; |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | pos1 = i; |
| 328 | pos2 = j; |
| 329 | } |
| 330 | |
| 331 | void wxHtmlWordCell::SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const |
| 332 | { |
| 333 | unsigned p1, p2; |
| 334 | |
| 335 | Split(dc, |
| 336 | this == s->GetFromCell() ? s->GetFromPos() : wxDefaultPosition, |
| 337 | this == s->GetToCell() ? s->GetToPos() : wxDefaultPosition, |
| 338 | p1, p2); |
| 339 | |
| 340 | wxPoint p(0, m_Word.length()); |
| 341 | |
| 342 | if ( this == s->GetFromCell() ) |
| 343 | p.x = p1; // selection starts here |
| 344 | if ( this == s->GetToCell() ) |
| 345 | p.y = p2; // selection ends here |
| 346 | |
| 347 | if ( this == s->GetFromCell() ) |
| 348 | s->SetFromPrivPos(p); |
| 349 | if ( this == s->GetToCell() ) |
| 350 | s->SetToPrivPos(p); |
| 351 | } |
| 352 | |
| 353 | |
| 354 | static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info, |
| 355 | bool toSelection) |
| 356 | { |
| 357 | wxColour fg = info.GetState().GetFgColour(); |
| 358 | wxColour bg = info.GetState().GetBgColour(); |
| 359 | |
| 360 | if ( toSelection ) |
| 361 | { |
| 362 | dc.SetBackgroundMode(wxSOLID); |
| 363 | dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg)); |
| 364 | dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg)); |
| 365 | dc.SetBackground(wxBrush(info.GetStyle().GetSelectedTextBgColour(bg), |
| 366 | wxSOLID)); |
| 367 | } |
| 368 | else |
| 369 | { |
| 370 | dc.SetBackgroundMode(wxTRANSPARENT); |
| 371 | dc.SetTextForeground(fg); |
| 372 | dc.SetTextBackground(bg); |
| 373 | dc.SetBackground(wxBrush(bg, wxSOLID)); |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | |
| 378 | void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, |
| 379 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), |
| 380 | wxHtmlRenderingInfo& info) |
| 381 | { |
| 382 | #if 0 // useful for debugging |
| 383 | dc.SetPen(*wxBLACK_PEN); |
| 384 | dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width /* VZ: +1? */ ,m_Height); |
| 385 | #endif |
| 386 | |
| 387 | bool drawSelectionAfterCell = false; |
| 388 | |
| 389 | if ( info.GetState().GetSelectionState() == wxHTML_SEL_CHANGING ) |
| 390 | { |
| 391 | // Selection changing, we must draw the word piecewise: |
| 392 | wxHtmlSelection *s = info.GetSelection(); |
| 393 | wxString txt; |
| 394 | int w, h; |
| 395 | int ofs = 0; |
| 396 | |
| 397 | wxPoint priv = (this == s->GetFromCell()) ? |
| 398 | s->GetFromPrivPos() : s->GetToPrivPos(); |
| 399 | |
| 400 | // NB: this is quite a hack: in order to compute selection boundaries |
| 401 | // (in word's characters) we must know current font, which is only |
| 402 | // possible inside rendering code. Therefore we update the |
| 403 | // information here and store it in wxHtmlSelection so that |
| 404 | // ConvertToText can use it later: |
| 405 | if ( priv == wxDefaultPosition ) |
| 406 | { |
| 407 | SetSelectionPrivPos(dc, s); |
| 408 | priv = (this == s->GetFromCell()) ? |
| 409 | s->GetFromPrivPos() : s->GetToPrivPos(); |
| 410 | } |
| 411 | |
| 412 | int part1 = priv.x; |
| 413 | int part2 = priv.y; |
| 414 | |
| 415 | if ( part1 > 0 ) |
| 416 | { |
| 417 | txt = m_Word.Mid(0, part1); |
| 418 | dc.DrawText(txt, x + m_PosX, y + m_PosY); |
| 419 | dc.GetTextExtent(txt, &w, &h); |
| 420 | ofs += w; |
| 421 | } |
| 422 | |
| 423 | SwitchSelState(dc, info, true); |
| 424 | |
| 425 | txt = m_Word.Mid(part1, part2-part1); |
| 426 | dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY); |
| 427 | |
| 428 | if ( (size_t)part2 < m_Word.length() ) |
| 429 | { |
| 430 | dc.GetTextExtent(txt, &w, &h); |
| 431 | ofs += w; |
| 432 | SwitchSelState(dc, info, false); |
| 433 | txt = m_Word.Mid(part2); |
| 434 | dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY); |
| 435 | } |
| 436 | else |
| 437 | drawSelectionAfterCell = true; |
| 438 | } |
| 439 | else |
| 440 | { |
| 441 | wxHtmlSelectionState selstate = info.GetState().GetSelectionState(); |
| 442 | // Not changing selection state, draw the word in single mode: |
| 443 | if ( selstate != wxHTML_SEL_OUT && |
| 444 | dc.GetBackgroundMode() != wxSOLID ) |
| 445 | { |
| 446 | SwitchSelState(dc, info, true); |
| 447 | } |
| 448 | else if ( selstate == wxHTML_SEL_OUT && |
| 449 | dc.GetBackgroundMode() == wxSOLID ) |
| 450 | { |
| 451 | SwitchSelState(dc, info, false); |
| 452 | } |
| 453 | dc.DrawText(m_Word, x + m_PosX, y + m_PosY); |
| 454 | drawSelectionAfterCell = (selstate != wxHTML_SEL_OUT); |
| 455 | } |
| 456 | |
| 457 | // NB: If the text is justified then there is usually some free space |
| 458 | // between adjacent cells and drawing the selection only onto cells |
| 459 | // would result in ugly unselected spaces. The code below detects |
| 460 | // this special case and renders the selection *outside* the sell, |
| 461 | // too. |
| 462 | if ( m_Parent->GetAlignHor() == wxHTML_ALIGN_JUSTIFY && |
| 463 | drawSelectionAfterCell ) |
| 464 | { |
| 465 | wxHtmlCell *nextCell = m_Next; |
| 466 | while ( nextCell && nextCell->IsFormattingCell() ) |
| 467 | nextCell = nextCell->GetNext(); |
| 468 | if ( nextCell ) |
| 469 | { |
| 470 | int nextX = nextCell->GetPosX(); |
| 471 | if ( m_PosX + m_Width < nextX ) |
| 472 | { |
| 473 | dc.SetBrush(dc.GetBackground()); |
| 474 | dc.SetPen(*wxTRANSPARENT_PEN); |
| 475 | dc.DrawRectangle(x + m_PosX + m_Width, y + m_PosY, |
| 476 | nextX - m_PosX - m_Width, m_Height); |
| 477 | } |
| 478 | } |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | |
| 483 | wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const |
| 484 | { |
| 485 | if ( s && (this == s->GetFromCell() || this == s->GetToCell()) ) |
| 486 | { |
| 487 | wxPoint priv = this == s->GetFromCell() ? s->GetFromPrivPos() |
| 488 | : s->GetToPrivPos(); |
| 489 | |
| 490 | // VZ: we may be called before we had a chance to re-render ourselves |
| 491 | // and in this case GetFrom/ToPrivPos() is not set yet -- assume |
| 492 | // that this only happens in case of a double/triple click (which |
| 493 | // seems to be the case now) and so it makes sense to select the |
| 494 | // entire contents of the cell in this case |
| 495 | // |
| 496 | // TODO: but this really needs to be fixed in some better way later... |
| 497 | if ( priv != wxDefaultPosition ) |
| 498 | { |
| 499 | int part1 = priv.x; |
| 500 | int part2 = priv.y; |
| 501 | return m_Word.Mid(part1, part2-part1); |
| 502 | } |
| 503 | //else: return the whole word below |
| 504 | } |
| 505 | |
| 506 | return m_Word; |
| 507 | } |
| 508 | |
| 509 | wxCursor wxHtmlWordCell::GetCursor() const |
| 510 | { |
| 511 | if ( !GetLink() ) |
| 512 | { |
| 513 | if ( !gs_cursorText ) |
| 514 | gs_cursorText = new wxCursor(wxCURSOR_IBEAM); |
| 515 | return *gs_cursorText; |
| 516 | } |
| 517 | else |
| 518 | return wxHtmlCell::GetCursor(); |
| 519 | } |
| 520 | |
| 521 | |
| 522 | //----------------------------------------------------------------------------- |
| 523 | // wxHtmlContainerCell |
| 524 | //----------------------------------------------------------------------------- |
| 525 | |
| 526 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlContainerCell, wxHtmlCell) |
| 527 | |
| 528 | wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell() |
| 529 | { |
| 530 | m_Cells = m_LastCell = NULL; |
| 531 | m_Parent = parent; |
| 532 | m_MaxTotalWidth = 0; |
| 533 | if (m_Parent) m_Parent->InsertCell(this); |
| 534 | m_AlignHor = wxHTML_ALIGN_LEFT; |
| 535 | m_AlignVer = wxHTML_ALIGN_BOTTOM; |
| 536 | m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0; |
| 537 | m_WidthFloat = 100; m_WidthFloatUnits = wxHTML_UNITS_PERCENT; |
| 538 | m_UseBkColour = false; |
| 539 | m_UseBorder = false; |
| 540 | m_MinHeight = 0; |
| 541 | m_MinHeightAlign = wxHTML_ALIGN_TOP; |
| 542 | m_LastLayout = -1; |
| 543 | } |
| 544 | |
| 545 | wxHtmlContainerCell::~wxHtmlContainerCell() |
| 546 | { |
| 547 | wxHtmlCell *cell = m_Cells; |
| 548 | while ( cell ) |
| 549 | { |
| 550 | wxHtmlCell *cellNext = cell->GetNext(); |
| 551 | delete cell; |
| 552 | cell = cellNext; |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | |
| 557 | |
| 558 | void wxHtmlContainerCell::SetIndent(int i, int what, int units) |
| 559 | { |
| 560 | int val = (units == wxHTML_UNITS_PIXELS) ? i : -i; |
| 561 | if (what & wxHTML_INDENT_LEFT) m_IndentLeft = val; |
| 562 | if (what & wxHTML_INDENT_RIGHT) m_IndentRight = val; |
| 563 | if (what & wxHTML_INDENT_TOP) m_IndentTop = val; |
| 564 | if (what & wxHTML_INDENT_BOTTOM) m_IndentBottom = val; |
| 565 | m_LastLayout = -1; |
| 566 | } |
| 567 | |
| 568 | |
| 569 | |
| 570 | int wxHtmlContainerCell::GetIndent(int ind) const |
| 571 | { |
| 572 | if (ind & wxHTML_INDENT_LEFT) return m_IndentLeft; |
| 573 | else if (ind & wxHTML_INDENT_RIGHT) return m_IndentRight; |
| 574 | else if (ind & wxHTML_INDENT_TOP) return m_IndentTop; |
| 575 | else if (ind & wxHTML_INDENT_BOTTOM) return m_IndentBottom; |
| 576 | else return -1; /* BUG! Should not be called... */ |
| 577 | } |
| 578 | |
| 579 | |
| 580 | |
| 581 | |
| 582 | int wxHtmlContainerCell::GetIndentUnits(int ind) const |
| 583 | { |
| 584 | bool p = false; |
| 585 | if (ind & wxHTML_INDENT_LEFT) p = m_IndentLeft < 0; |
| 586 | else if (ind & wxHTML_INDENT_RIGHT) p = m_IndentRight < 0; |
| 587 | else if (ind & wxHTML_INDENT_TOP) p = m_IndentTop < 0; |
| 588 | else if (ind & wxHTML_INDENT_BOTTOM) p = m_IndentBottom < 0; |
| 589 | if (p) return wxHTML_UNITS_PERCENT; |
| 590 | else return wxHTML_UNITS_PIXELS; |
| 591 | } |
| 592 | |
| 593 | |
| 594 | |
| 595 | bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak, int* known_pagebreaks, int number_of_pages) const |
| 596 | { |
| 597 | if (!m_CanLiveOnPagebreak) |
| 598 | return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks, number_of_pages); |
| 599 | |
| 600 | else |
| 601 | { |
| 602 | wxHtmlCell *c = GetFirstChild(); |
| 603 | bool rt = false; |
| 604 | int pbrk = *pagebreak - m_PosY; |
| 605 | |
| 606 | while (c) |
| 607 | { |
| 608 | if (c->AdjustPagebreak(&pbrk, known_pagebreaks, number_of_pages)) |
| 609 | rt = true; |
| 610 | c = c->GetNext(); |
| 611 | } |
| 612 | if (rt) |
| 613 | *pagebreak = pbrk + m_PosY; |
| 614 | return rt; |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | |
| 619 | |
| 620 | void wxHtmlContainerCell::Layout(int w) |
| 621 | { |
| 622 | wxHtmlCell::Layout(w); |
| 623 | |
| 624 | if (m_LastLayout == w) return; |
| 625 | |
| 626 | // VS: Any attempt to layout with negative or zero width leads to hell, |
| 627 | // but we can't ignore such attempts completely, since it sometimes |
| 628 | // happen (e.g. when trying how small a table can be). The best thing we |
| 629 | // can do is to set the width of child cells to zero |
| 630 | if (w < 1) |
| 631 | { |
| 632 | m_Width = 0; |
| 633 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) |
| 634 | cell->Layout(0); |
| 635 | // this does two things: it recursively calls this code on all |
| 636 | // child contrainers and resets children's position to (0,0) |
| 637 | return; |
| 638 | } |
| 639 | |
| 640 | wxHtmlCell *cell = m_Cells, |
| 641 | *line = m_Cells; |
| 642 | wxHtmlCell *nextCell; |
| 643 | long xpos = 0, ypos = m_IndentTop; |
| 644 | int xdelta = 0, ybasicpos = 0, ydiff; |
| 645 | int s_width, nextWordWidth, s_indent; |
| 646 | int ysizeup = 0, ysizedown = 0; |
| 647 | int MaxLineWidth = 0; |
| 648 | int curLineWidth = 0; |
| 649 | m_MaxTotalWidth = 0; |
| 650 | |
| 651 | |
| 652 | /* |
| 653 | |
| 654 | WIDTH ADJUSTING : |
| 655 | |
| 656 | */ |
| 657 | |
| 658 | if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) |
| 659 | { |
| 660 | if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100; |
| 661 | else m_Width = m_WidthFloat * w / 100; |
| 662 | } |
| 663 | else |
| 664 | { |
| 665 | if (m_WidthFloat < 0) m_Width = w + m_WidthFloat; |
| 666 | else m_Width = m_WidthFloat; |
| 667 | } |
| 668 | |
| 669 | if (m_Cells) |
| 670 | { |
| 671 | int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft; |
| 672 | int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight; |
| 673 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) |
| 674 | cell->Layout(m_Width - (l + r)); |
| 675 | } |
| 676 | |
| 677 | /* |
| 678 | |
| 679 | LAYOUTING : |
| 680 | |
| 681 | */ |
| 682 | |
| 683 | // adjust indentation: |
| 684 | s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft; |
| 685 | s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); |
| 686 | |
| 687 | // my own layouting: |
| 688 | while (cell != NULL) |
| 689 | { |
| 690 | switch (m_AlignVer) |
| 691 | { |
| 692 | case wxHTML_ALIGN_TOP : ybasicpos = 0; break; |
| 693 | case wxHTML_ALIGN_BOTTOM : ybasicpos = - cell->GetHeight(); break; |
| 694 | case wxHTML_ALIGN_CENTER : ybasicpos = - cell->GetHeight() / 2; break; |
| 695 | } |
| 696 | ydiff = cell->GetHeight() + ybasicpos; |
| 697 | |
| 698 | if (cell->GetDescent() + ydiff > ysizedown) ysizedown = cell->GetDescent() + ydiff; |
| 699 | if (ybasicpos + cell->GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell->GetDescent()); |
| 700 | |
| 701 | // layout nonbreakable run of cells: |
| 702 | cell->SetPos(xpos, ybasicpos + cell->GetDescent()); |
| 703 | xpos += cell->GetWidth(); |
| 704 | if (!cell->IsTerminalCell()) |
| 705 | { |
| 706 | // Container cell indicates new line |
| 707 | if (curLineWidth > m_MaxTotalWidth) |
| 708 | m_MaxTotalWidth = curLineWidth; |
| 709 | |
| 710 | if (wxMax(cell->GetWidth(), cell->GetMaxTotalWidth()) > m_MaxTotalWidth) |
| 711 | m_MaxTotalWidth = cell->GetMaxTotalWidth(); |
| 712 | curLineWidth = 0; |
| 713 | } |
| 714 | else |
| 715 | // Normal cell, add maximum cell width to line width |
| 716 | curLineWidth += cell->GetMaxTotalWidth(); |
| 717 | |
| 718 | cell = cell->GetNext(); |
| 719 | |
| 720 | // compute length of the next word that would be added: |
| 721 | nextWordWidth = 0; |
| 722 | if (cell) |
| 723 | { |
| 724 | nextCell = cell; |
| 725 | do |
| 726 | { |
| 727 | nextWordWidth += nextCell->GetWidth(); |
| 728 | nextCell = nextCell->GetNext(); |
| 729 | } while (nextCell && !nextCell->IsLinebreakAllowed()); |
| 730 | } |
| 731 | |
| 732 | // force new line if occured: |
| 733 | if ((cell == NULL) || |
| 734 | (xpos + nextWordWidth > s_width && cell->IsLinebreakAllowed())) |
| 735 | { |
| 736 | if (xpos > MaxLineWidth) MaxLineWidth = xpos; |
| 737 | if (ysizeup < 0) ysizeup = 0; |
| 738 | if (ysizedown < 0) ysizedown = 0; |
| 739 | switch (m_AlignHor) { |
| 740 | case wxHTML_ALIGN_LEFT : |
| 741 | case wxHTML_ALIGN_JUSTIFY : |
| 742 | xdelta = 0; |
| 743 | break; |
| 744 | case wxHTML_ALIGN_RIGHT : |
| 745 | xdelta = 0 + (s_width - xpos); |
| 746 | break; |
| 747 | case wxHTML_ALIGN_CENTER : |
| 748 | xdelta = 0 + (s_width - xpos) / 2; |
| 749 | break; |
| 750 | } |
| 751 | if (xdelta < 0) xdelta = 0; |
| 752 | xdelta += s_indent; |
| 753 | |
| 754 | ypos += ysizeup; |
| 755 | |
| 756 | if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL) |
| 757 | { |
| 758 | while (line != cell) |
| 759 | { |
| 760 | line->SetPos(line->GetPosX() + xdelta, |
| 761 | ypos + line->GetPosY()); |
| 762 | line = line->GetNext(); |
| 763 | } |
| 764 | } |
| 765 | else // align == justify |
| 766 | { |
| 767 | // we have to distribute the extra horz space between the cells |
| 768 | // on this line |
| 769 | |
| 770 | // an added complication is that some cells have fixed size and |
| 771 | // shouldn't get any increment (it so happens that these cells |
| 772 | // also don't allow line break on them which provides with an |
| 773 | // easy way to test for this) -- and neither should the cells |
| 774 | // adjacent to them as this could result in a visible space |
| 775 | // between two cells separated by, e.g. font change, cell which |
| 776 | // is wrong |
| 777 | |
| 778 | int step = s_width - xpos; |
| 779 | if ( step > 0 ) |
| 780 | { |
| 781 | // first count the cells which will get extra space |
| 782 | int total = 0; |
| 783 | |
| 784 | const wxHtmlCell *c; |
| 785 | if ( line != cell ) |
| 786 | { |
| 787 | for ( c = line->GetNext(); c != cell; c = c->GetNext() ) |
| 788 | { |
| 789 | if ( c->IsLinebreakAllowed() ) |
| 790 | { |
| 791 | total++; |
| 792 | } |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | // and now extra space to those cells which merit it |
| 797 | if ( total ) |
| 798 | { |
| 799 | // first cell on line is not moved: |
| 800 | line->SetPos(line->GetPosX() + s_indent, |
| 801 | line->GetPosY() + ypos); |
| 802 | |
| 803 | line = line->GetNext(); |
| 804 | for ( int n = 0; line != cell; line = line->GetNext() ) |
| 805 | { |
| 806 | if ( line->IsLinebreakAllowed() ) |
| 807 | { |
| 808 | // offset the next cell relative to this one |
| 809 | // thus increasing our size |
| 810 | n++; |
| 811 | } |
| 812 | |
| 813 | line->SetPos(line->GetPosX() + s_indent + |
| 814 | ((n * step) / total), |
| 815 | line->GetPosY() + ypos); |
| 816 | } |
| 817 | } |
| 818 | else |
| 819 | { |
| 820 | // this will cause the code to enter "else branch" below: |
| 821 | step = 0; |
| 822 | } |
| 823 | } |
| 824 | // else branch: |
| 825 | if ( step <= 0 ) // no extra space to distribute |
| 826 | { |
| 827 | // just set the indent properly |
| 828 | while (line != cell) |
| 829 | { |
| 830 | line->SetPos(line->GetPosX() + s_indent, |
| 831 | line->GetPosY() + ypos); |
| 832 | line = line->GetNext(); |
| 833 | } |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | ypos += ysizedown; |
| 838 | xpos = 0; |
| 839 | ysizeup = ysizedown = 0; |
| 840 | line = cell; |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | // setup height & width, depending on container layout: |
| 845 | m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom; |
| 846 | |
| 847 | if (m_Height < m_MinHeight) |
| 848 | { |
| 849 | if (m_MinHeightAlign != wxHTML_ALIGN_TOP) |
| 850 | { |
| 851 | int diff = m_MinHeight - m_Height; |
| 852 | if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2; |
| 853 | cell = m_Cells; |
| 854 | while (cell) |
| 855 | { |
| 856 | cell->SetPos(cell->GetPosX(), cell->GetPosY() + diff); |
| 857 | cell = cell->GetNext(); |
| 858 | } |
| 859 | } |
| 860 | m_Height = m_MinHeight; |
| 861 | } |
| 862 | |
| 863 | if (curLineWidth > m_MaxTotalWidth) |
| 864 | m_MaxTotalWidth = curLineWidth; |
| 865 | |
| 866 | m_MaxTotalWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); |
| 867 | MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); |
| 868 | if (m_Width < MaxLineWidth) m_Width = MaxLineWidth; |
| 869 | |
| 870 | m_LastLayout = w; |
| 871 | } |
| 872 | |
| 873 | void wxHtmlContainerCell::UpdateRenderingStatePre(wxHtmlRenderingInfo& info, |
| 874 | wxHtmlCell *cell) const |
| 875 | { |
| 876 | wxHtmlSelection *s = info.GetSelection(); |
| 877 | if (!s) return; |
| 878 | if (s->GetFromCell() == cell || s->GetToCell() == cell) |
| 879 | { |
| 880 | info.GetState().SetSelectionState(wxHTML_SEL_CHANGING); |
| 881 | } |
| 882 | } |
| 883 | |
| 884 | void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingInfo& info, |
| 885 | wxHtmlCell *cell) const |
| 886 | { |
| 887 | wxHtmlSelection *s = info.GetSelection(); |
| 888 | if (!s) return; |
| 889 | if (s->GetToCell() == cell) |
| 890 | info.GetState().SetSelectionState(wxHTML_SEL_OUT); |
| 891 | else if (s->GetFromCell() == cell) |
| 892 | info.GetState().SetSelectionState(wxHTML_SEL_IN); |
| 893 | } |
| 894 | |
| 895 | #define mMin(a, b) (((a) < (b)) ? (a) : (b)) |
| 896 | #define mMax(a, b) (((a) < (b)) ? (b) : (a)) |
| 897 | |
| 898 | void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, |
| 899 | wxHtmlRenderingInfo& info) |
| 900 | { |
| 901 | #if 0 // useful for debugging |
| 902 | dc.SetPen(*wxRED_PEN); |
| 903 | dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height); |
| 904 | #endif |
| 905 | // container visible, draw it: |
| 906 | if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1)) |
| 907 | { |
| 908 | if (m_UseBkColour) |
| 909 | { |
| 910 | wxBrush myb = wxBrush(m_BkColour, wxSOLID); |
| 911 | |
| 912 | int real_y1 = mMax(y + m_PosY, view_y1); |
| 913 | int real_y2 = mMin(y + m_PosY + m_Height - 1, view_y2); |
| 914 | |
| 915 | dc.SetBrush(myb); |
| 916 | dc.SetPen(*wxTRANSPARENT_PEN); |
| 917 | dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1); |
| 918 | } |
| 919 | |
| 920 | if (m_UseBorder) |
| 921 | { |
| 922 | wxPen mypen1(m_BorderColour1, 1, wxSOLID); |
| 923 | wxPen mypen2(m_BorderColour2, 1, wxSOLID); |
| 924 | |
| 925 | dc.SetPen(mypen1); |
| 926 | dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX, y + m_PosY + m_Height - 1); |
| 927 | dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width, y + m_PosY); |
| 928 | dc.SetPen(mypen2); |
| 929 | dc.DrawLine(x + m_PosX + m_Width - 1, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1); |
| 930 | dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width, y + m_PosY + m_Height - 1); |
| 931 | } |
| 932 | |
| 933 | if (m_Cells) |
| 934 | { |
| 935 | // draw container's contents: |
| 936 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) |
| 937 | { |
| 938 | UpdateRenderingStatePre(info, cell); |
| 939 | cell->Draw(dc, |
| 940 | x + m_PosX, y + m_PosY, view_y1, view_y2, |
| 941 | info); |
| 942 | UpdateRenderingStatePost(info, cell); |
| 943 | } |
| 944 | } |
| 945 | } |
| 946 | // container invisible, just proceed font+color changing: |
| 947 | else |
| 948 | { |
| 949 | DrawInvisible(dc, x, y, info); |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | |
| 954 | |
| 955 | void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y, |
| 956 | wxHtmlRenderingInfo& info) |
| 957 | { |
| 958 | if (m_Cells) |
| 959 | { |
| 960 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) |
| 961 | { |
| 962 | UpdateRenderingStatePre(info, cell); |
| 963 | cell->DrawInvisible(dc, x + m_PosX, y + m_PosY, info); |
| 964 | UpdateRenderingStatePost(info, cell); |
| 965 | } |
| 966 | } |
| 967 | } |
| 968 | |
| 969 | |
| 970 | wxColour wxHtmlContainerCell::GetBackgroundColour() |
| 971 | { |
| 972 | if (m_UseBkColour) |
| 973 | return m_BkColour; |
| 974 | else |
| 975 | return wxNullColour; |
| 976 | } |
| 977 | |
| 978 | |
| 979 | |
| 980 | wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const |
| 981 | { |
| 982 | wxHtmlCell *cell = FindCellByPos(x, y); |
| 983 | |
| 984 | // VZ: I don't know if we should pass absolute or relative coords to |
| 985 | // wxHtmlCell::GetLink()? As the base class version just ignores them |
| 986 | // anyhow, it hardly matters right now but should still be clarified |
| 987 | return cell ? cell->GetLink(x, y) : NULL; |
| 988 | } |
| 989 | |
| 990 | |
| 991 | |
| 992 | void wxHtmlContainerCell::InsertCell(wxHtmlCell *f) |
| 993 | { |
| 994 | if (!m_Cells) m_Cells = m_LastCell = f; |
| 995 | else |
| 996 | { |
| 997 | m_LastCell->SetNext(f); |
| 998 | m_LastCell = f; |
| 999 | if (m_LastCell) while (m_LastCell->GetNext()) m_LastCell = m_LastCell->GetNext(); |
| 1000 | } |
| 1001 | f->SetParent(this); |
| 1002 | m_LastLayout = -1; |
| 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | |
| 1007 | void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag) |
| 1008 | { |
| 1009 | if (tag.HasParam(wxT("ALIGN"))) |
| 1010 | { |
| 1011 | wxString alg = tag.GetParam(wxT("ALIGN")); |
| 1012 | alg.MakeUpper(); |
| 1013 | if (alg == wxT("CENTER")) |
| 1014 | SetAlignHor(wxHTML_ALIGN_CENTER); |
| 1015 | else if (alg == wxT("LEFT")) |
| 1016 | SetAlignHor(wxHTML_ALIGN_LEFT); |
| 1017 | else if (alg == wxT("JUSTIFY")) |
| 1018 | SetAlignHor(wxHTML_ALIGN_JUSTIFY); |
| 1019 | else if (alg == wxT("RIGHT")) |
| 1020 | SetAlignHor(wxHTML_ALIGN_RIGHT); |
| 1021 | m_LastLayout = -1; |
| 1022 | } |
| 1023 | } |
| 1024 | |
| 1025 | |
| 1026 | |
| 1027 | void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale) |
| 1028 | { |
| 1029 | if (tag.HasParam(wxT("WIDTH"))) |
| 1030 | { |
| 1031 | int wdi; |
| 1032 | wxString wd = tag.GetParam(wxT("WIDTH")); |
| 1033 | |
| 1034 | if (wd[wd.Length()-1] == wxT('%')) |
| 1035 | { |
| 1036 | wxSscanf(wd.c_str(), wxT("%i%%"), &wdi); |
| 1037 | SetWidthFloat(wdi, wxHTML_UNITS_PERCENT); |
| 1038 | } |
| 1039 | else |
| 1040 | { |
| 1041 | wxSscanf(wd.c_str(), wxT("%i"), &wdi); |
| 1042 | SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS); |
| 1043 | } |
| 1044 | m_LastLayout = -1; |
| 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | |
| 1049 | |
| 1050 | const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const |
| 1051 | { |
| 1052 | if (m_Cells) |
| 1053 | { |
| 1054 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) |
| 1055 | { |
| 1056 | const wxHtmlCell *r = cell->Find(condition, param); |
| 1057 | if (r) return r; |
| 1058 | } |
| 1059 | } |
| 1060 | return NULL; |
| 1061 | } |
| 1062 | |
| 1063 | |
| 1064 | wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y, |
| 1065 | unsigned flags) const |
| 1066 | { |
| 1067 | if ( flags & wxHTML_FIND_EXACT ) |
| 1068 | { |
| 1069 | for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) |
| 1070 | { |
| 1071 | int cx = cell->GetPosX(), |
| 1072 | cy = cell->GetPosY(); |
| 1073 | |
| 1074 | if ( (cx <= x) && (cx + cell->GetWidth() > x) && |
| 1075 | (cy <= y) && (cy + cell->GetHeight() > y) ) |
| 1076 | { |
| 1077 | return cell->FindCellByPos(x - cx, y - cy, flags); |
| 1078 | } |
| 1079 | } |
| 1080 | } |
| 1081 | else if ( flags & wxHTML_FIND_NEAREST_AFTER ) |
| 1082 | { |
| 1083 | wxHtmlCell *c; |
| 1084 | for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) |
| 1085 | { |
| 1086 | if ( cell->IsFormattingCell() ) |
| 1087 | continue; |
| 1088 | int cellY = cell->GetPosY(); |
| 1089 | if (!( y < cellY || (y < cellY + cell->GetHeight() && |
| 1090 | x < cell->GetPosX() + cell->GetWidth()) )) |
| 1091 | continue; |
| 1092 | |
| 1093 | c = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags); |
| 1094 | if (c) return c; |
| 1095 | } |
| 1096 | } |
| 1097 | else if ( flags & wxHTML_FIND_NEAREST_BEFORE ) |
| 1098 | { |
| 1099 | wxHtmlCell *c2, *c = NULL; |
| 1100 | for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) |
| 1101 | { |
| 1102 | if ( cell->IsFormattingCell() ) |
| 1103 | continue; |
| 1104 | int cellY = cell->GetPosY(); |
| 1105 | if (!( cellY + cell->GetHeight() <= y || |
| 1106 | (y >= cellY && x >= cell->GetPosX()) )) |
| 1107 | break; |
| 1108 | c2 = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags); |
| 1109 | if (c2) |
| 1110 | c = c2; |
| 1111 | } |
| 1112 | if (c) return c; |
| 1113 | } |
| 1114 | |
| 1115 | return NULL; |
| 1116 | } |
| 1117 | |
| 1118 | |
| 1119 | void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event) |
| 1120 | { |
| 1121 | wxHtmlCell *cell = FindCellByPos(x, y); |
| 1122 | if ( cell ) |
| 1123 | cell->OnMouseClick(parent, x, y, event); |
| 1124 | } |
| 1125 | |
| 1126 | |
| 1127 | |
| 1128 | wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const |
| 1129 | { |
| 1130 | if ( m_Cells ) |
| 1131 | { |
| 1132 | wxHtmlCell *c2; |
| 1133 | for (wxHtmlCell *c = m_Cells; c; c = c->GetNext()) |
| 1134 | { |
| 1135 | c2 = c->GetFirstTerminal(); |
| 1136 | if ( c2 ) |
| 1137 | return c2; |
| 1138 | } |
| 1139 | } |
| 1140 | return NULL; |
| 1141 | } |
| 1142 | |
| 1143 | wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const |
| 1144 | { |
| 1145 | if ( m_Cells ) |
| 1146 | { |
| 1147 | // most common case first: |
| 1148 | wxHtmlCell *c = m_LastCell->GetLastTerminal(); |
| 1149 | if ( c ) |
| 1150 | return c; |
| 1151 | |
| 1152 | wxHtmlCell *ctmp; |
| 1153 | wxHtmlCell *c2 = NULL; |
| 1154 | for (c = m_Cells; c; c = c->GetNext()) |
| 1155 | { |
| 1156 | ctmp = c->GetLastTerminal(); |
| 1157 | if ( ctmp ) |
| 1158 | c2 = ctmp; |
| 1159 | } |
| 1160 | return c2; |
| 1161 | } |
| 1162 | else |
| 1163 | return NULL; |
| 1164 | } |
| 1165 | |
| 1166 | |
| 1167 | static bool IsEmptyContainer(wxHtmlContainerCell *cell) |
| 1168 | { |
| 1169 | for ( wxHtmlCell *c = cell->GetFirstChild(); c; c = c->GetNext() ) |
| 1170 | { |
| 1171 | if ( !c->IsTerminalCell() || !c->IsFormattingCell() ) |
| 1172 | return false; |
| 1173 | } |
| 1174 | return true; |
| 1175 | } |
| 1176 | |
| 1177 | void wxHtmlContainerCell::RemoveExtraSpacing(bool top, bool bottom) |
| 1178 | { |
| 1179 | if ( top ) |
| 1180 | SetIndent(0, wxHTML_INDENT_TOP); |
| 1181 | if ( bottom ) |
| 1182 | SetIndent(0, wxHTML_INDENT_BOTTOM); |
| 1183 | |
| 1184 | if ( m_Cells ) |
| 1185 | { |
| 1186 | wxHtmlCell *c; |
| 1187 | wxHtmlContainerCell *cont; |
| 1188 | if ( top ) |
| 1189 | { |
| 1190 | for ( c = m_Cells; c; c = c->GetNext() ) |
| 1191 | { |
| 1192 | if ( c->IsTerminalCell() ) |
| 1193 | { |
| 1194 | if ( !c->IsFormattingCell() ) |
| 1195 | break; |
| 1196 | } |
| 1197 | else |
| 1198 | { |
| 1199 | cont = (wxHtmlContainerCell*)c; |
| 1200 | if ( IsEmptyContainer(cont) ) |
| 1201 | { |
| 1202 | cont->SetIndent(0, wxHTML_INDENT_VERTICAL); |
| 1203 | } |
| 1204 | else |
| 1205 | { |
| 1206 | cont->RemoveExtraSpacing(true, false); |
| 1207 | break; |
| 1208 | } |
| 1209 | } |
| 1210 | } |
| 1211 | } |
| 1212 | |
| 1213 | if ( bottom ) |
| 1214 | { |
| 1215 | wxArrayPtrVoid arr; |
| 1216 | for ( c = m_Cells; c; c = c->GetNext() ) |
| 1217 | arr.Add((void*)c); |
| 1218 | |
| 1219 | for ( int i = arr.GetCount() - 1; i >= 0; i--) |
| 1220 | { |
| 1221 | c = (wxHtmlCell*)arr[i]; |
| 1222 | if ( c->IsTerminalCell() ) |
| 1223 | { |
| 1224 | if ( !c->IsFormattingCell() ) |
| 1225 | break; |
| 1226 | } |
| 1227 | else |
| 1228 | { |
| 1229 | cont = (wxHtmlContainerCell*)c; |
| 1230 | if ( IsEmptyContainer(cont) ) |
| 1231 | { |
| 1232 | cont->SetIndent(0, wxHTML_INDENT_VERTICAL); } |
| 1233 | else |
| 1234 | { |
| 1235 | cont->RemoveExtraSpacing(false, true); |
| 1236 | break; |
| 1237 | } |
| 1238 | } |
| 1239 | } |
| 1240 | } |
| 1241 | } |
| 1242 | } |
| 1243 | |
| 1244 | |
| 1245 | |
| 1246 | |
| 1247 | // -------------------------------------------------------------------------- |
| 1248 | // wxHtmlColourCell |
| 1249 | // -------------------------------------------------------------------------- |
| 1250 | |
| 1251 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlColourCell, wxHtmlCell) |
| 1252 | |
| 1253 | void wxHtmlColourCell::Draw(wxDC& dc, |
| 1254 | int x, int y, |
| 1255 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), |
| 1256 | wxHtmlRenderingInfo& info) |
| 1257 | { |
| 1258 | DrawInvisible(dc, x, y, info); |
| 1259 | } |
| 1260 | |
| 1261 | void wxHtmlColourCell::DrawInvisible(wxDC& dc, |
| 1262 | int WXUNUSED(x), int WXUNUSED(y), |
| 1263 | wxHtmlRenderingInfo& info) |
| 1264 | { |
| 1265 | wxHtmlRenderingState& state = info.GetState(); |
| 1266 | if (m_Flags & wxHTML_CLR_FOREGROUND) |
| 1267 | { |
| 1268 | state.SetFgColour(m_Colour); |
| 1269 | if (state.GetSelectionState() != wxHTML_SEL_IN) |
| 1270 | dc.SetTextForeground(m_Colour); |
| 1271 | else |
| 1272 | dc.SetTextForeground( |
| 1273 | info.GetStyle().GetSelectedTextColour(m_Colour)); |
| 1274 | } |
| 1275 | if (m_Flags & wxHTML_CLR_BACKGROUND) |
| 1276 | { |
| 1277 | state.SetBgColour(m_Colour); |
| 1278 | if (state.GetSelectionState() != wxHTML_SEL_IN) |
| 1279 | { |
| 1280 | dc.SetTextBackground(m_Colour); |
| 1281 | dc.SetBackground(wxBrush(m_Colour, wxSOLID)); |
| 1282 | } |
| 1283 | else |
| 1284 | { |
| 1285 | wxColour c = info.GetStyle().GetSelectedTextBgColour(m_Colour); |
| 1286 | dc.SetTextBackground(c); |
| 1287 | dc.SetBackground(wxBrush(c, wxSOLID)); |
| 1288 | } |
| 1289 | } |
| 1290 | } |
| 1291 | |
| 1292 | |
| 1293 | |
| 1294 | |
| 1295 | // --------------------------------------------------------------------------- |
| 1296 | // wxHtmlFontCell |
| 1297 | // --------------------------------------------------------------------------- |
| 1298 | |
| 1299 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlFontCell, wxHtmlCell) |
| 1300 | |
| 1301 | void wxHtmlFontCell::Draw(wxDC& dc, |
| 1302 | int WXUNUSED(x), int WXUNUSED(y), |
| 1303 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), |
| 1304 | wxHtmlRenderingInfo& WXUNUSED(info)) |
| 1305 | { |
| 1306 | dc.SetFont(m_Font); |
| 1307 | } |
| 1308 | |
| 1309 | void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), |
| 1310 | wxHtmlRenderingInfo& WXUNUSED(info)) |
| 1311 | { |
| 1312 | dc.SetFont(m_Font); |
| 1313 | } |
| 1314 | |
| 1315 | |
| 1316 | |
| 1317 | |
| 1318 | |
| 1319 | |
| 1320 | |
| 1321 | |
| 1322 | // --------------------------------------------------------------------------- |
| 1323 | // wxHtmlWidgetCell |
| 1324 | // --------------------------------------------------------------------------- |
| 1325 | |
| 1326 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell) |
| 1327 | |
| 1328 | wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w) |
| 1329 | { |
| 1330 | int sx, sy; |
| 1331 | m_Wnd = wnd; |
| 1332 | m_Wnd->GetSize(&sx, &sy); |
| 1333 | m_Width = sx, m_Height = sy; |
| 1334 | m_WidthFloat = w; |
| 1335 | } |
| 1336 | |
| 1337 | |
| 1338 | void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), |
| 1339 | int WXUNUSED(x), int WXUNUSED(y), |
| 1340 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), |
| 1341 | wxHtmlRenderingInfo& WXUNUSED(info)) |
| 1342 | { |
| 1343 | int absx = 0, absy = 0, stx, sty; |
| 1344 | wxHtmlCell *c = this; |
| 1345 | |
| 1346 | while (c) |
| 1347 | { |
| 1348 | absx += c->GetPosX(); |
| 1349 | absy += c->GetPosY(); |
| 1350 | c = c->GetParent(); |
| 1351 | } |
| 1352 | |
| 1353 | ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty); |
| 1354 | m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height); |
| 1355 | } |
| 1356 | |
| 1357 | |
| 1358 | |
| 1359 | void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc), |
| 1360 | int WXUNUSED(x), int WXUNUSED(y), |
| 1361 | wxHtmlRenderingInfo& WXUNUSED(info)) |
| 1362 | { |
| 1363 | int absx = 0, absy = 0, stx, sty; |
| 1364 | wxHtmlCell *c = this; |
| 1365 | |
| 1366 | while (c) |
| 1367 | { |
| 1368 | absx += c->GetPosX(); |
| 1369 | absy += c->GetPosY(); |
| 1370 | c = c->GetParent(); |
| 1371 | } |
| 1372 | |
| 1373 | ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty); |
| 1374 | m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height); |
| 1375 | } |
| 1376 | |
| 1377 | |
| 1378 | |
| 1379 | void wxHtmlWidgetCell::Layout(int w) |
| 1380 | { |
| 1381 | if (m_WidthFloat != 0) |
| 1382 | { |
| 1383 | m_Width = (w * m_WidthFloat) / 100; |
| 1384 | m_Wnd->SetSize(m_Width, m_Height); |
| 1385 | } |
| 1386 | |
| 1387 | wxHtmlCell::Layout(w); |
| 1388 | } |
| 1389 | |
| 1390 | |
| 1391 | |
| 1392 | // ---------------------------------------------------------------------------- |
| 1393 | // wxHtmlTerminalCellsInterator |
| 1394 | // ---------------------------------------------------------------------------- |
| 1395 | |
| 1396 | const wxHtmlCell* wxHtmlTerminalCellsInterator::operator++() |
| 1397 | { |
| 1398 | if ( !m_pos ) |
| 1399 | return NULL; |
| 1400 | |
| 1401 | do |
| 1402 | { |
| 1403 | if ( m_pos == m_to ) |
| 1404 | { |
| 1405 | m_pos = NULL; |
| 1406 | return NULL; |
| 1407 | } |
| 1408 | |
| 1409 | if ( m_pos->GetNext() ) |
| 1410 | m_pos = m_pos->GetNext(); |
| 1411 | else |
| 1412 | { |
| 1413 | // we must go up the hierarchy until we reach container where this |
| 1414 | // is not the last child, and then go down to first terminal cell: |
| 1415 | while ( m_pos->GetNext() == NULL ) |
| 1416 | { |
| 1417 | m_pos = m_pos->GetParent(); |
| 1418 | if ( !m_pos ) |
| 1419 | return NULL; |
| 1420 | } |
| 1421 | m_pos = m_pos->GetNext(); |
| 1422 | } |
| 1423 | while ( m_pos->GetFirstChild() != NULL ) |
| 1424 | m_pos = m_pos->GetFirstChild(); |
| 1425 | } while ( !m_pos->IsTerminalCell() ); |
| 1426 | |
| 1427 | return m_pos; |
| 1428 | } |
| 1429 | |
| 1430 | |
| 1431 | |
| 1432 | |
| 1433 | |
| 1434 | |
| 1435 | |
| 1436 | //----------------------------------------------------------------------------- |
| 1437 | // Cleanup |
| 1438 | //----------------------------------------------------------------------------- |
| 1439 | |
| 1440 | class wxHtmlCellModule: public wxModule |
| 1441 | { |
| 1442 | DECLARE_DYNAMIC_CLASS(wxHtmlCellModule) |
| 1443 | public: |
| 1444 | wxHtmlCellModule() : wxModule() {} |
| 1445 | bool OnInit() { return true; } |
| 1446 | void OnExit() |
| 1447 | { |
| 1448 | wxDELETE(gs_cursorLink); |
| 1449 | wxDELETE(gs_cursorText); |
| 1450 | } |
| 1451 | }; |
| 1452 | |
| 1453 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellModule, wxModule) |
| 1454 | |
| 1455 | #endif |