src/insets/insettabular.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 2000 The LyX Team.
   7  *
   8  *======================================================
   9  */
  10
  11 #include <config.h>
  12
  13 #include <fstream>
  14 #include <algorithm>
  15
  16 #include <cstdlib>
  17
  18 #ifdef __GNUG__
  19 #pragma implementation
  20 #endif
  21
  22 #include "insettabular.h"
  23
  24 #include "buffer.h"
  25 #include "commandtags.h"
  26 #include "LaTeXFeatures.h"
  27 #include "Painter.h"
  28 #include "font.h"
  29 #include "lyxtext.h"
  30 #include "lyx_gui_misc.h"
  31 #include "LyXView.h"
  32 #include "lyxfunc.h"
  33 #include "insets/insettext.h"
  34
  35 extern void MenuLayoutTabular(bool, InsetTabular *);
  36 extern bool UpdateLayoutTabular(bool, InsetTabular *);
  37 extern void TabularOptClose();
  38
  39 const int ADD_TO_HEIGHT = 2;
  40 const int ADD_TO_TABULAR_WIDTH = 2;
  41
  42 using std::ostream;
  43 using std::ifstream;
  44 using std::max;
  45 using std::endl;
  46
  47
  48 InsetTabular::InsetTabular(Buffer * buf, int rows, int columns)
  49 {
  50     if (rows <= 0)
  51         rows = 1;
  52     if (columns <= 0)
  53         columns = 1;
  54     buffer = buf; // set this first!!!
  55     tabular = new LyXTabular(this, rows,columns);
  56     // for now make it always display as display() inset
  57     // just for test!!!
  58     the_locking_inset = 0;
  59     locked = no_selection = cursor_visible = false;
  60     cursor.x_fix = -1;
  61     oldcell = -1;
  62     actcell = cursor.pos = sel_pos_start = sel_pos_end = 0;
  63     init_inset = true;
  64 }
  65
  66
  67 InsetTabular::InsetTabular(InsetTabular const & tab, Buffer * buf)
  68 {
  69     buffer = buf; // set this first
  70     tabular = new LyXTabular(this, *(tab.tabular));
  71     the_locking_inset = 0;
  72     locked = no_selection = cursor_visible = false;
  73     cursor.x_fix = -1;
  74     oldcell = -1;
  75     actcell = cursor.pos = sel_pos_start = sel_pos_end = 0;
  76     init_inset = true;
  77 }
  78
  79
  80 InsetTabular::~InsetTabular()
  81 {
  82     delete tabular;
  83 }
  84
  85
  86 Inset * InsetTabular::Clone() const
  87 {
  88     InsetTabular * t = new InsetTabular(*this, buffer);
  89     delete t->tabular;
  90     t->tabular = tabular->Clone(t);
  91     return t;
  92 }
  93
  94
  95 void InsetTabular::Write(ostream & os) const
  96 {
  97     os << " Tabular" << endl;
  98     tabular->Write(os);
  99 }
 100
 101
 102 void InsetTabular::Read(LyXLex & lex)
 103 {
 104     bool old_format = (lex.GetString() == "\\LyXTable");
 105     string token;
 106
 107     if (tabular)
 108         delete tabular;
 109     tabular = new LyXTabular(this, lex);
 110
 111     init_inset = true;
 112
 113     if (old_format)
 114         return;
 115
 116     lex.nextToken();
 117     token = lex.GetString();
 118     while (lex.IsOK() && (token != "\\end_inset")) {
 119         lex.nextToken();
 120         token = lex.GetString();
 121     }
 122     if (token != "\\end_inset") {
 123         lex.printError("Missing \\end_inset at this point. "
 124                        "Read: `$$Token'");
 125     }
 126 }
 127
 128
 129 int InsetTabular::ascent(Painter & pain, LyXFont const & font) const
 130 {
 131     if (init_inset) {
 132         calculate_width_of_cells(pain, font);
 133         init_inset = false;
 134     }
 135     return tabular->GetAscentOfRow(0);
 136 }
 137
 138
 139 int InsetTabular::descent(Painter & pain, LyXFont const & font) const
 140 {
 141     if (init_inset) {
 142         calculate_width_of_cells(pain, font);
 143         init_inset = false;
 144     }
 145     return tabular->GetHeightOfTabular() - tabular->GetAscentOfRow(0);
 146 }
 147
 148
 149 int InsetTabular::width(Painter & pain, LyXFont const & font) const
 150 {
 151     if (init_inset) {
 152         calculate_width_of_cells(pain, font);
 153         init_inset = false;
 154     }
 155     return tabular->GetWidthOfTabular() + (2 * ADD_TO_TABULAR_WIDTH);
 156 }
 157
 158
 159 void InsetTabular::draw(Painter & pain, const LyXFont & font, int baseline,
 160                         float & x) const
 161 {
 162     int i, j, cell=0;
 163     int nx;
 164     float cx;
 165     bool reinit = false;
 166
 167     UpdatableInset::draw(pain,font,baseline,x);
 168     if (init_inset || (top_x != int(x)) || (top_baseline != baseline)) {
 169         int ox = top_x;
 170         init_inset = false;
 171         top_x = int(x);
 172         top_baseline = baseline;
 173         if (ox != top_x)
 174             recomputeTextInsets(pain, font);
 175         calculate_width_of_cells(pain, font);
 176         resetPos(pain);
 177         reinit = true;
 178     }
 179     x += ADD_TO_TABULAR_WIDTH;
 180     for(i=0;i<tabular->rows();++i) {
 181         nx = int(x);
 182         for(j=0;j<tabular->columns();++j) {
 183             if (tabular->IsPartOfMultiColumn(i,j))
 184                 continue;
 185             cx = nx + tabular->GetBeginningOfTextInCell(cell);
 186             tabular->GetCellInset(cell)->draw(pain, font, baseline, cx);
 187             DrawCellLines(pain, nx, baseline, i, cell);
 188             nx += tabular->GetWidthOfColumn(cell);
 189             ++cell;
 190         }
 191         baseline += tabular->GetDescentOfRow(i) + tabular->GetAscentOfRow(i+1)
 192             + tabular->GetAdditionalHeight(cell+1);
 193     }
 194     x += width(pain, font);
 195 }
 196
 197
 198 void InsetTabular::DrawCellLines(Painter & pain, int x, int baseline,
 199                                  int row, int cell) const
 200 {
 201     int  x2 = x + tabular->GetWidthOfColumn(cell);
 202     bool on_off;
 203
 204     if (!tabular->TopAlreadyDrawed(cell)) {
 205         on_off = !tabular->TopLine(cell);
 206         pain.line(x, baseline - tabular->GetAscentOfRow(row),
 207                   x2, baseline -  tabular->GetAscentOfRow(row),
 208                   on_off ? LColor::tabularonoffline:LColor::tabularline,
 209                   on_off ? Painter::line_onoffdash:Painter::line_solid);
 210     }
 211     on_off = !tabular->BottomLine(cell);
 212     pain.line(x,baseline +  tabular->GetDescentOfRow(row),
 213               x2, baseline +  tabular->GetDescentOfRow(row),
 214               on_off ? LColor::tabularonoffline:LColor::tabularline,
 215               on_off ? Painter::line_onoffdash:Painter::line_solid);
 216     if (!tabular->LeftAlreadyDrawed(cell)) {
 217         on_off = !tabular->LeftLine(cell);
 218         pain.line(x, baseline -  tabular->GetAscentOfRow(row),
 219                   x, baseline +  tabular->GetDescentOfRow(row),
 220                   on_off ? LColor::tabularonoffline:LColor::tabularline,
 221                   on_off ? Painter::line_onoffdash:Painter::line_solid);
 222     }
 223     on_off = !tabular->RightLine(cell);
 224     pain.line(x2 - tabular->GetAdditionalWidth(cell),
 225               baseline -  tabular->GetAscentOfRow(row),
 226               x2 - tabular->GetAdditionalWidth(cell),
 227               baseline +  tabular->GetDescentOfRow(row),
 228               on_off ? LColor::tabularonoffline:LColor::tabularline,
 229               on_off ? Painter::line_onoffdash:Painter::line_solid);
 230 }
 231
 232
 233 char const * InsetTabular::EditMessage() const
 234 {
 235     return _("Opened Tabular Inset");
 236 }
 237
 238
 239 void InsetTabular::Edit(BufferView * bv, int x, int y, unsigned int button)
 240 {
 241     UpdatableInset::Edit(bv, x, y, button);
 242
 243     if (!bv->lockInset(this)) {
 244         lyxerr[Debug::INSETS] << "InsetTabular::Cannot lock inset" << endl;
 245         return;
 246     }
 247     locked = true;
 248     the_locking_inset = 0;
 249     sel_pos_start = sel_pos_end = inset_pos = inset_x = inset_y = 0;
 250     setPos(bv->painter(), x, y);
 251     sel_pos_start = sel_pos_end = cursor.pos;
 252     bv->text->FinishUndo();
 253     if (InsetHit(bv, x, y)) {
 254         ActivateCellInset(bv, x, y, button);
 255     }
 256     UpdateLocal(bv, true);
 257 //    bv->getOwner()->getPopups().updateFormTabular();
 258 }
 259
 260
 261 void InsetTabular::InsetUnlock(BufferView * bv)
 262 {
 263     TabularOptClose();
 264     if (the_locking_inset) {
 265         the_locking_inset->InsetUnlock(bv);
 266         the_locking_inset = 0;
 267     }
 268     HideInsetCursor(bv);
 269     if (hasCharSelection()) {
 270         sel_pos_start = sel_pos_end = cursor.pos;
 271         UpdateLocal(bv, false);
 272     } else
 273         sel_pos_start = sel_pos_end = cursor.pos;
 274     no_selection = false;
 275     oldcell = -1;
 276     locked = false;
 277 }
 278
 279 void InsetTabular::UpdateLocal(BufferView * bv, bool flag)
 280 {
 281     if (flag)
 282         calculate_width_of_cells(bv->painter(), LyXFont(LyXFont::ALL_SANE));
 283     bv->updateInset(this, flag);
 284     if (flag)
 285         resetPos(bv->painter());
 286 }
 287
 288 bool InsetTabular::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 289 {
 290     lyxerr[Debug::INSETS] << "InsetTabular::LockInsetInInset(" <<inset<< "): ";
 291     if (!inset)
 292         return false;
 293     oldcell = -1;
 294     if (inset == tabular->GetCellInset(actcell)) {
 295         lyxerr[Debug::INSETS] << "OK" << endl;
 296         the_locking_inset = tabular->GetCellInset(actcell);
 297         resetPos(bv->painter());
 298         inset_x = cursor.x - top_x + tabular->GetBeginningOfTextInCell(actcell);
 299         inset_y = cursor.y;
 300         inset_pos = cursor.pos;
 301         return true;
 302     } else if (the_locking_inset && (the_locking_inset == inset)) {
 303         if (cursor.pos == inset_pos) {
 304             lyxerr[Debug::INSETS] << "OK" << endl;
 305             resetPos(bv->painter());
 306             inset_x = cursor.x - top_x + tabular->GetBeginningOfTextInCell(actcell);
 307             inset_y = cursor.y;
 308         } else {
 309             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 310         }
 311     } else if (the_locking_inset) {
 312         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 313         return the_locking_inset->LockInsetInInset(bv, inset);
 314     }
 315     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 316     return false;
 317 }
 318
 319 bool InsetTabular::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 320                                    bool lr)
 321 {
 322     if (!the_locking_inset)
 323         return false;
 324     if (the_locking_inset == inset) {
 325         the_locking_inset->InsetUnlock(bv);
 326         the_locking_inset = 0;
 327         if (lr)
 328             moveRight(bv, false);
 329         return true;
 330     }
 331     if (the_locking_inset->UnlockInsetInInset(bv, inset, lr)) {
 332         if ((inset->LyxCode() == TABULAR_CODE) &&
 333             !the_locking_inset->GetFirstLockingInsetOfType(TABULAR_CODE))
 334         {
 335             UpdateLayoutTabular(true, const_cast<InsetTabular *>(this));
 336             oldcell = actcell;
 337         }
 338         return true;
 339     }
 340     return false;
 341 }
 342
 343 bool InsetTabular::UpdateInsetInInset(BufferView * bv, Inset * inset)
 344 {
 345     if (!the_locking_inset)
 346         return false;
 347     if (the_locking_inset != inset)
 348         return the_locking_inset->UpdateInsetInInset(bv, inset);
 349     UpdateLocal(bv);
 350     return true;
 351 }
 352
 353
 354 int InsetTabular::InsetInInsetY()
 355 {
 356     if (!the_locking_inset)
 357         return 0;
 358
 359     return (inset_y + the_locking_inset->InsetInInsetY());
 360 }
 361
 362
 363 UpdatableInset * InsetTabular::GetLockingInset()
 364 {
 365     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
 366 }
 367
 368
 369 UpdatableInset * InsetTabular::GetFirstLockingInsetOfType(Inset::Code c)
 370 {
 371     if (c == LyxCode())
 372         return this;
 373     if (the_locking_inset)
 374         return the_locking_inset->GetFirstLockingInsetOfType(c);
 375     return 0;
 376 }
 377
 378
 379 bool InsetTabular::InsertInset(BufferView * bv, Inset * inset)
 380 {
 381     if (the_locking_inset)
 382         return the_locking_inset->InsertInset(bv, inset);
 383     return false;
 384 }
 385
 386
 387 void InsetTabular::InsetButtonRelease(BufferView * bv,
 388                                       int x, int y, int button)
 389 {
 390     if (button == 3) {
 391         if (the_locking_inset) {
 392             UpdatableInset * i;
 393             if ((i=the_locking_inset->GetFirstLockingInsetOfType(TABULAR_CODE))) {
 394                 i->InsetButtonRelease(bv, x, y, button);
 395                 return;
 396             }
 397         }
 398         MenuLayoutTabular(true, this);
 399         return;
 400     }
 401     if (the_locking_inset) {
 402         the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
 403         return;
 404     }
 405     no_selection = false;
 406 }
 407
 408
 409 void InsetTabular::InsetButtonPress(BufferView * bv, int x, int y, int button)
 410 {
 411     if (hasCharSelection()) {
 412         sel_pos_start = sel_pos_end = 0;
 413         UpdateLocal(bv, false);
 414     }
 415     no_selection = false;
 416
 417     int ocell = actcell;
 418
 419     setPos(bv->painter(), x, y);
 420
 421     bool inset_hit = InsetHit(bv, x, y);
 422
 423     if ((ocell == actcell) && the_locking_inset && inset_hit) {
 424         the_locking_inset->InsetButtonPress(bv, x-inset_x, y-inset_y, button);
 425         return;
 426     } else if (the_locking_inset) {
 427         the_locking_inset->InsetUnlock(bv);
 428     }
 429     the_locking_inset = 0;
 430     sel_pos_start = sel_pos_end = cursor.pos;
 431     sel_cell_start = sel_cell_end = actcell;
 432     if (inset_hit && bv->the_locking_inset) {
 433         ActivateCellInset(bv, x, y, button);
 434         the_locking_inset->InsetButtonPress(bv, x-inset_x, y-inset_y, button);
 435     }
 436
 437 #if 0
 438     if (button == 3)
 439         bview->getOwner()->getPopups().showFormTabular();
 440     else if (ocell != actcell)
 441         bview->getOwner()->getPopups().updateFormTabular();
 442 #endif
 443 }
 444
 445
 446 void InsetTabular::InsetMotionNotify(BufferView * bv, int x, int y, int button)
 447 {
 448     if (the_locking_inset) {
 449         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 450                                              y - inset_y, button);
 451         return;
 452     }
 453     if (!no_selection) {
 454             // int ocell = actcell,
 455             int old = sel_pos_end;
 456
 457         setPos(bv->painter(), x, y);
 458         sel_pos_end = cursor.pos;
 459         sel_cell_end = actcell;
 460         if (old != sel_pos_end)
 461             UpdateLocal(bv, false);
 462 #if 0
 463         if (ocell != actcell)
 464             bview->getOwner()->getPopups().updateFormTabular();
 465 #endif
 466     }
 467     no_selection = false;
 468 }
 469
 470
 471 void InsetTabular::InsetKeyPress(XKeyEvent * xke)
 472 {
 473     if (the_locking_inset) {
 474         the_locking_inset->InsetKeyPress(xke);
 475         return;
 476     }
 477 }
 478
 479
 480 UpdatableInset::RESULT InsetTabular::LocalDispatch(BufferView * bv, int action,
 481                                                    string const & arg)
 482 {
 483     UpdatableInset::RESULT
 484         result;
 485
 486     no_selection = false;
 487     if (((result=UpdatableInset::LocalDispatch(bv, action, arg)) == DISPATCHED)
 488         || (result == DISPATCHED_NOUPDATE)) {
 489
 490         resetPos(bv->painter());
 491         return result;
 492     }
 493     result=DISPATCHED;
 494
 495     if ((action < 0) && arg.empty())
 496         return FINISHED;
 497
 498     if ((action != LFUN_DOWN) && (action != LFUN_UP) &&
 499         (action != LFUN_DOWNSEL) && (action != LFUN_UPSEL))
 500         cursor.x_fix = -1;
 501     if (the_locking_inset) {
 502         result=the_locking_inset->LocalDispatch(bv, action, arg);
 503         if (result == DISPATCHED_NOUPDATE)
 504             return result;
 505         else if (result == DISPATCHED) {
 506             bool upd = SetCellDimensions(bv->painter(), actcell, actrow);
 507             the_locking_inset->ToggleInsetCursor(bv);
 508             UpdateLocal(bv, upd);
 509             the_locking_inset->ToggleInsetCursor(bv);
 510             return result;
 511         } else if (result == FINISHED) {
 512             if ((action == LFUN_RIGHT) || (action == -1)) {
 513                 cursor.pos = inset_pos + 1;
 514                 resetPos(bv->painter());
 515             }
 516             the_locking_inset=0;
 517             result = DISPATCHED;
 518             return result;
 519         }
 520     }
 521
 522     HideInsetCursor(bv);
 523     switch (action) {
 524         // Normal chars not handled here
 525     case -1:
 526         break;
 527         // --- Cursor Movements ---------------------------------------------
 528     case LFUN_RIGHTSEL:
 529         moveRight(bv, false);
 530         sel_pos_end = cursor.pos;
 531         UpdateLocal(bv, false);
 532         break;
 533     case LFUN_RIGHT:
 534         result = moveRight(bv);
 535         if (hasCharSelection()) {
 536             sel_pos_start = sel_pos_end = cursor.pos;
 537             UpdateLocal(bv, false);
 538         } else
 539             sel_pos_start = sel_pos_end = cursor.pos;
 540           break;
 541     case LFUN_LEFTSEL:
 542         moveLeft(bv, false);
 543         sel_pos_end = cursor.pos;
 544         UpdateLocal(bv, false);
 545         break;
 546     case LFUN_LEFT:
 547         result = moveLeft(bv);
 548         if (hasCharSelection()) {
 549             sel_pos_start = sel_pos_end = cursor.pos;
 550             UpdateLocal(bv, false);
 551         } else
 552             sel_pos_start = sel_pos_end = cursor.pos;
 553         break;
 554     case LFUN_DOWNSEL:
 555         moveDown();
 556         sel_pos_end = cursor.pos;
 557         UpdateLocal(bv, false);
 558         break;
 559     case LFUN_DOWN:
 560         result= moveDown();
 561         if (hasCharSelection()) {
 562             sel_pos_start = sel_pos_end = cursor.pos;
 563             UpdateLocal(bv, false);
 564         } else
 565             sel_pos_start = sel_pos_end = cursor.pos;
 566         break;
 567     case LFUN_UPSEL:
 568         moveUp();
 569         sel_pos_end = cursor.pos;
 570         UpdateLocal(bv, false);
 571         break;
 572     case LFUN_UP:
 573         result= moveUp();
 574         if (hasCharSelection()) {
 575             sel_pos_start = sel_pos_end = cursor.pos;
 576             UpdateLocal(bv, false);
 577         } else
 578             sel_pos_start = sel_pos_end = cursor.pos;
 579         break;
 580     case LFUN_BACKSPACE:
 581         break;
 582     case LFUN_DELETE:
 583         break;
 584     case LFUN_HOME:
 585         break;
 586     case LFUN_END:
 587         break;
 588     case LFUN_TAB:
 589         if (hasCharSelection()) {
 590             sel_pos_start = sel_pos_end = cursor.pos;
 591             UpdateLocal(bv, false);
 592         }
 593         sel_pos_start = sel_pos_end = cursor.pos;
 594         moveNextCell();
 595         break;
 596     case LFUN_LAYOUT_TABLE:
 597     {
 598         int flag = (arg == "true");
 599         MenuLayoutTabular(flag, this);
 600     }
 601     break;
 602     default:
 603         result = UNDISPATCHED;
 604         break;
 605     }
 606     if (result!=FINISHED) {
 607         if (!the_locking_inset) {
 608 #if 0
 609             if (ocell != actcell)
 610                 bview->getOwner()->getPopups().updateFormTabular();
 611 #endif
 612             ShowInsetCursor(bv);
 613         }
 614     } else
 615         bv->unlockInset(this);
 616     return result;
 617 }
 618
 619
 620 int InsetTabular::Latex(ostream & os, bool fragile, bool fp) const
 621 {
 622     return tabular->Latex(os, fragile, fp);
 623 }
 624
 625
 626 int InsetTabular::Ascii(ostream &) const
 627 {
 628     return 0;
 629 }
 630
 631 int InsetTabular::Linuxdoc(ostream &) const
 632 {
 633     return 0;
 634 }
 635
 636
 637 int InsetTabular::DocBook(ostream &) const
 638 {
 639     return 0;
 640 }
 641
 642
 643 void InsetTabular::Validate(LaTeXFeatures & features) const
 644 {
 645     tabular->Validate(features);
 646 }
 647
 648
 649 void InsetTabular::calculate_width_of_cells(Painter & pain,
 650                                             LyXFont const & font) const
 651 {
 652     int cell = -1;
 653     int maxAsc, maxDesc;
 654     InsetText * inset;
 655
 656     for(int i = 0; i < tabular->rows(); ++i) {
 657         maxAsc = maxDesc = 0;
 658         for(int j= 0; j < tabular->columns(); ++j) {
 659             if (tabular->IsPartOfMultiColumn(i,j))
 660                 continue;
 661             ++cell;
 662             inset = tabular->GetCellInset(cell);
 663             maxAsc = max(maxAsc, inset->ascent(pain, font));
 664             maxDesc = max(maxDesc, inset->descent(pain, font));
 665             tabular->SetWidthOfCell(cell, inset->width(pain, font));
 666         }
 667         tabular->SetAscentOfRow(i, maxAsc + ADD_TO_HEIGHT);
 668         tabular->SetDescentOfRow(i, maxDesc + ADD_TO_HEIGHT);
 669     }
 670 }
 671
 672
 673 void InsetTabular::GetCursorPos(int & x, int & y) const
 674 {
 675     x = cursor.x-top_x;
 676     y = cursor.y;
 677 }
 678
 679
 680 void InsetTabular::ToggleInsetCursor(BufferView * bv)
 681 {
 682     if (the_locking_inset) {
 683         the_locking_inset->ToggleInsetCursor(bv);
 684         return;
 685     }
 686
 687     LyXFont font; // = the_locking_inset->GetFont(par, cursor.pos);
 688
 689     int asc = lyxfont::maxAscent(font);
 690     int desc = lyxfont::maxDescent(font);
 691
 692     if (cursor_visible)
 693         bv->hideLockedInsetCursor();
 694     else
 695         bv->showLockedInsetCursor(cursor.x, cursor.y, asc, desc);
 696     cursor_visible = !cursor_visible;
 697 }
 698
 699
 700 void InsetTabular::ShowInsetCursor(BufferView * bv)
 701 {
 702     if (!cursor_visible) {
 703         LyXFont font; // = GetFont(par, cursor.pos);
 704
 705         int asc = lyxfont::maxAscent(font);
 706         int desc = lyxfont::maxDescent(font);
 707         bv->fitLockedInsetCursor(cursor.x, cursor.y, asc, desc);
 708         bv->showLockedInsetCursor(cursor.x, cursor.y, asc, desc);
 709         cursor_visible = true;
 710     }
 711 }
 712
 713
 714 void InsetTabular::HideInsetCursor(BufferView * bv)
 715 {
 716     if (cursor_visible)
 717         ToggleInsetCursor(bv);
 718 }
 719
 720
 721 void InsetTabular::setPos(Painter & pain, int x, int y) const
 722 {
 723     cursor.y = cursor.pos = actcell = actrow = actcol = 0;
 724     int ly = tabular->GetDescentOfRow(actrow);
 725
 726     // first search the right row
 727     while((ly < y) && (actrow < tabular->rows())) {
 728         cursor.y += tabular->GetDescentOfRow(actrow) +
 729             tabular->GetAscentOfRow(actrow+1) +
 730             tabular->GetAdditionalHeight(tabular->GetCellNumber(actrow+1,
 731                                                                 actcol));
 732         ++actrow;
 733         ly = cursor.y + tabular->GetDescentOfRow(actrow);
 734     }
 735     actcell = tabular->GetCellNumber(actrow, actcol);
 736
 737     // now search the right column
 738     int lx = tabular->GetWidthOfColumn(actcell) -
 739         tabular->GetAdditionalWidth(actcell);
 740     for(; !tabular->IsLastCellInRow(actcell) && (lx < x);
 741         ++actcell,lx += tabular->GetWidthOfColumn(actcell) +
 742             tabular->GetAdditionalWidth(actcell-1));
 743     cursor.pos = ((actcell+1) * 2) - 1;
 744     resetPos(pain);
 745     if ((lx - (tabular->GetWidthOfColumn(actcell)/2)) < x) {
 746         cursor.x = lx + top_x - 2;
 747     } else {
 748         --cursor.pos;
 749         cursor.x = lx - tabular->GetWidthOfColumn(actcell) + top_x + 2;
 750     }
 751     resetPos(pain);
 752 }
 753
 754 int InsetTabular::getCellXPos(int cell) const
 755 {
 756     int c;
 757
 758     for(c=cell;!tabular->IsFirstCellInRow(c);--c)
 759         ;
 760     int lx = tabular->GetWidthOfColumn(cell);
 761     for(; (c < cell); ++c) {
 762         lx += tabular->GetWidthOfColumn(c);
 763     }
 764     return (lx - tabular->GetWidthOfColumn(cell) + top_x +
 765             ADD_TO_TABULAR_WIDTH);
 766 }
 767
 768 void InsetTabular::resetPos(Painter & pain) const
 769 {
 770     if (!locked)
 771         return;
 772     actcol = tabular->column_of_cell(actcell);
 773
 774     int cell = 0;
 775     actrow = cursor.y = 0;
 776     for(; (cell<actcell) && !tabular->IsLastRow(cell); ++cell) {
 777         if (tabular->IsLastCellInRow(cell)) {
 778             cursor.y += tabular->GetDescentOfRow(actrow) +
 779                 tabular->GetAscentOfRow(actrow+1) +
 780                 tabular->GetAdditionalHeight(cell+1);
 781             ++actrow;
 782         }
 783     }
 784     cursor.x = getCellXPos(actcell) + 2;
 785     if (cursor.pos % 2) {
 786         LyXFont font(LyXFont::ALL_SANE);
 787         cursor.x += tabular->GetCellInset(actcell)->width(pain,font) +
 788                 tabular->GetBeginningOfTextInCell(actcell);
 789     }
 790     if ((!the_locking_inset ||
 791          !the_locking_inset->GetFirstLockingInsetOfType(TABULAR_CODE)) &&
 792         (actcell != oldcell)) {
 793         UpdateLayoutTabular(true, const_cast<InsetTabular *>(this));
 794         oldcell = actcell;
 795     }
 796 }
 797
 798
 799 bool InsetTabular::SetCellDimensions(Painter & pain, int cell, int row)
 800 {
 801     InsetText * inset = tabular->GetCellInset(cell);
 802     LyXFont font(LyXFont::ALL_SANE);
 803     int asc = inset->ascent(pain, font) + ADD_TO_HEIGHT;
 804     int desc = inset->descent(pain, font) + ADD_TO_HEIGHT;
 805     int maxAsc = tabular->GetAscentOfRow(row);
 806     int maxDesc = tabular->GetDescentOfRow(row);
 807     bool ret = tabular->SetWidthOfCell(cell, inset->width(pain, font));
 808
 809     if (maxAsc < asc) {
 810         ret = true;
 811         tabular->SetAscentOfRow(row, asc);
 812     }
 813     if (maxDesc < desc) {
 814         ret = true;
 815         tabular->SetDescentOfRow(row, desc);
 816     }
 817     return ret;
 818 }
 819
 820
 821 UpdatableInset::RESULT InsetTabular::moveRight(BufferView * bv, bool lock)
 822 {
 823     if (cursor.pos % 2) { // behind the inset
 824         ++actcell;
 825         if (actcell >= tabular->GetNumberOfCells())
 826             return FINISHED;
 827         ++cursor.pos;
 828     } else if (lock) {
 829         if (ActivateCellInset(bv))
 830             return DISPATCHED;
 831     } else {              // before the inset
 832         ++cursor.pos;
 833     }
 834     resetPos(bv->painter());
 835     return DISPATCHED_NOUPDATE;
 836 }
 837
 838
 839 UpdatableInset::RESULT InsetTabular::moveLeft(BufferView * bv, bool lock)
 840 {
 841     if (!cursor.pos)
 842         return FINISHED;
 843     --cursor.pos;
 844     if (cursor.pos % 2) { // behind the inset
 845         --actcell;
 846     } else if (lock) {       // behind the inset
 847         if (ActivateCellInset(bv, 0, 0, 0, true))
 848             return DISPATCHED;
 849     }
 850     resetPos(bv->painter());
 851     return DISPATCHED_NOUPDATE;
 852 }
 853
 854
 855 UpdatableInset::RESULT InsetTabular::moveUp()
 856 {
 857     return DISPATCHED_NOUPDATE;
 858 }
 859
 860
 861 UpdatableInset::RESULT InsetTabular::moveDown()
 862 {
 863     return DISPATCHED_NOUPDATE;
 864 }
 865
 866
 867 bool InsetTabular::moveNextCell()
 868 {
 869     return false;
 870 }
 871
 872
 873 bool InsetTabular::movePrevCell()
 874 {
 875     return false;
 876 }
 877
 878
 879 bool InsetTabular::Delete()
 880 {
 881     return true;
 882 }
 883
 884
 885 void InsetTabular::SetFont(BufferView *, LyXFont const &, bool)
 886 {
 887 }
 888
 889
 890 void InsetTabular::TabularFeatures(BufferView * bv, int feature, string val)
 891 {
 892     int
 893         i,
 894         sel_start,
 895         sel_end,
 896         setLines = 0,
 897         setAlign = LYX_ALIGN_LEFT,
 898         lineSet;
 899     bool
 900         what;
 901
 902     switch (feature) {
 903       case LyXTabular::ALIGN_LEFT:
 904           setAlign=LYX_ALIGN_LEFT;
 905           break;
 906       case LyXTabular::ALIGN_RIGHT:
 907           setAlign=LYX_ALIGN_RIGHT;
 908           break;
 909       case LyXTabular::ALIGN_CENTER:
 910           setAlign=LYX_ALIGN_CENTER;
 911           break;
 912       default:
 913           break;
 914     }
 915     if (hasCellSelection()) {
 916         if (sel_cell_start > sel_cell_end) {
 917             sel_start = sel_cell_end;
 918             sel_end = sel_cell_start;
 919         } else {
 920             sel_start = sel_cell_start;
 921             sel_end = sel_cell_end;
 922         }
 923     } else
 924         sel_start = sel_end = actcell;
 925     switch (feature) {
 926       case LyXTabular::SET_PWIDTH:
 927       {
 928           bool update = (tabular->GetPWidth(actcell) != val);
 929           tabular->SetPWidth(actcell,val);
 930           if (update)
 931               UpdateLocal(bv, true);
 932       }
 933       break;
 934       case LyXTabular::SET_SPECIAL_COLUMN:
 935       case LyXTabular::SET_SPECIAL_MULTI:
 936           tabular->SetAlignSpecial(actcell,val,feature);
 937           break;
 938       case LyXTabular::APPEND_ROW:
 939       {
 940           // append the row into the tabular
 941           tabular->AppendRow(actcell);
 942           UpdateLocal(bv, true);
 943           break;
 944       }
 945       case LyXTabular::APPEND_COLUMN:
 946       {
 947           // append the column into the tabular
 948           tabular->AppendColumn(actcell);
 949           UpdateLocal(bv, true);
 950           break;
 951       }
 952       case LyXTabular::DELETE_ROW:
 953           RemoveTabularRow();
 954           UpdateLocal(bv, true);
 955           break;
 956       case LyXTabular::DELETE_COLUMN:
 957       {
 958           /* delete the column from the tabular */
 959           tabular->DeleteColumn(actcell);
 960           UpdateLocal(bv, true);
 961           break;
 962       }
 963       case LyXTabular::TOGGLE_LINE_TOP:
 964           lineSet = !tabular->TopLine(actcell);
 965           for(i=sel_start; i<=sel_end; ++i)
 966               tabular->SetTopLine(i,lineSet);
 967           UpdateLocal(bv, true);
 968           break;
 969
 970       case LyXTabular::TOGGLE_LINE_BOTTOM:
 971           lineSet = !tabular->BottomLine(actcell);
 972           for(i=sel_start; i<=sel_end; ++i)
 973               tabular->SetBottomLine(i,lineSet);
 974           UpdateLocal(bv, true);
 975           break;
 976
 977       case LyXTabular::TOGGLE_LINE_LEFT:
 978           lineSet = !tabular->LeftLine(actcell);
 979           for(i=sel_start; i<=sel_end; ++i)
 980               tabular->SetLeftLine(i,lineSet);
 981           UpdateLocal(bv, true);
 982           break;
 983
 984       case LyXTabular::TOGGLE_LINE_RIGHT:
 985           lineSet = !tabular->RightLine(actcell);
 986           for(i=sel_start; i<=sel_end; ++i)
 987               tabular->SetRightLine(i,lineSet);
 988           UpdateLocal(bv, true);
 989           break;
 990       case LyXTabular::ALIGN_LEFT:
 991       case LyXTabular::ALIGN_RIGHT:
 992       case LyXTabular::ALIGN_CENTER:
 993           for(i=sel_start; i<=sel_end; ++i)
 994               tabular->SetAlignment(i,setAlign);
 995           UpdateLocal(bv, true);
 996           break;
 997       case LyXTabular::MULTICOLUMN:
 998       {
 999           if (tabular->row_of_cell(sel_start) !=
1000               tabular->row_of_cell(sel_end)) {
1001               WriteAlert(_("Impossible Operation!"),
1002                          _("Multicolumns can only be horizontally."),
1003                          _("Sorry."));
1004               return;
1005           }
1006           // just multicol for one Single Cell
1007           if (!hasCellSelection()) {
1008               // check wether we are completly in a multicol
1009               if (tabular->IsMultiColumn(actcell)) {
1010                   tabular->UnsetMultiColumn(actcell);
1011                   UpdateLocal(bv, true);
1012               } else {
1013                   tabular->SetMultiColumn(actcell, 1);
1014                   UpdateLocal(bv, false);
1015               }
1016               return;
1017           }
1018           // we have a selection so this means we just add all this
1019           // cells to form a multicolumn cell
1020           int
1021               s_start, s_end;
1022
1023           if (sel_start > sel_end) {
1024               s_start = sel_end;
1025               s_end = sel_start;
1026           } else {
1027               s_start = sel_start;
1028               s_end = sel_end;
1029           }
1030           tabular->SetMultiColumn(s_start, s_end);
1031           cursor.pos = s_start;
1032           sel_cell_end = sel_cell_start;
1033           UpdateLocal(bv, true);
1034           break;
1035       }
1036       case LyXTabular::SET_ALL_LINES:
1037           setLines = 1;
1038       case LyXTabular::UNSET_ALL_LINES:
1039           for(i=sel_start; i<=sel_end; ++i)
1040               tabular->SetAllLines(i, setLines);
1041           UpdateLocal(bv, true);
1042           break;
1043       case LyXTabular::SET_LONGTABULAR:
1044           tabular->SetLongTabular(true);
1045           UpdateLocal(bv, true); // because this toggles displayed
1046           break;
1047       case LyXTabular::UNSET_LONGTABULAR:
1048           tabular->SetLongTabular(false);
1049           UpdateLocal(bv, true); // because this toggles displayed
1050           break;
1051       case LyXTabular::SET_ROTATE_TABULAR:
1052           tabular->SetRotateTabular(true);
1053           break;
1054       case LyXTabular::UNSET_ROTATE_TABULAR:
1055           tabular->SetRotateTabular(false);
1056           break;
1057       case LyXTabular::SET_ROTATE_CELL:
1058           for(i=sel_start; i<=sel_end; ++i)
1059               tabular->SetRotateCell(i,true);
1060           break;
1061       case LyXTabular::UNSET_ROTATE_CELL:
1062           for(i=sel_start; i<=sel_end; ++i)
1063               tabular->SetRotateCell(i,false);
1064           break;
1065       case LyXTabular::SET_LINEBREAKS:
1066           what = !tabular->GetLinebreaks(actcell);
1067           for(i=sel_start; i<=sel_end; ++i)
1068               tabular->SetLinebreaks(i,what);
1069           break;
1070       case LyXTabular::SET_LTFIRSTHEAD:
1071           tabular->SetLTHead(actcell,true);
1072           break;
1073       case LyXTabular::SET_LTHEAD:
1074           tabular->SetLTHead(actcell,false);
1075           break;
1076       case LyXTabular::SET_LTFOOT:
1077           tabular->SetLTFoot(actcell,false);
1078           break;
1079       case LyXTabular::SET_LTLASTFOOT:
1080           tabular->SetLTFoot(actcell,true);
1081           break;
1082       case LyXTabular::SET_LTNEWPAGE:
1083           what = !tabular->GetLTNewPage(actcell);
1084           tabular->SetLTNewPage(actcell,what);
1085           break;
1086     }
1087 }
1088
1089 void InsetTabular::RemoveTabularRow()
1090 {
1091 }
1092
1093 bool InsetTabular::ActivateCellInset(BufferView * bv, int x, int y, int button,
1094                                      bool behind)
1095 {
1096     // the cursor.pos has to be before the inset so if it isn't now just
1097     // reset the curor pos first!
1098     if (cursor.pos % 2) { // behind the inset
1099         --cursor.pos;
1100         resetPos(bv->painter());
1101     }
1102     UpdatableInset * inset =
1103         static_cast<UpdatableInset*>(tabular->GetCellInset(actcell));
1104     LyXFont font(LyXFont::ALL_SANE);
1105     if (behind) {
1106         x = inset->x() + inset->width(bv->painter(), font);
1107         y = inset->descent(bv->painter(), font);
1108     }
1109     inset_x = cursor.x - top_x + tabular->GetBeginningOfTextInCell(actcell);
1110     inset_y = cursor.y;
1111     inset->Edit(bv, x-inset_x, y-inset_y, button);
1112     if (!the_locking_inset)
1113         return false;
1114     UpdateLocal(bv, true);
1115     return true;
1116 }
1117
1118 bool InsetTabular::InsetHit(BufferView * bv, int x, int ) const
1119 {
1120     InsetText * inset = tabular->GetCellInset(actcell);
1121     int x1 = x + top_x;
1122
1123     if (cursor.pos % 2) { // behind the inset
1124         return (((x+top_x) < cursor.x) &&
1125                 ((x+top_x) > (cursor.x - inset->width(bv->painter(),
1126                                                       LyXFont(LyXFont::ALL_SANE)))));
1127     } else {
1128         int x2 = cursor.x + tabular->GetBeginningOfTextInCell(actcell);
1129         return ((x1 > x2) &&
1130                 (x1 < (x2 + inset->width(bv->painter(),
1131                                          LyXFont(LyXFont::ALL_SANE)))));
1132     }
1133 }
1134
1135 // This returns paperWidth() if the cell-width is unlimited or the width
1136 // in pixels if we have a pwidth for this cell.
1137 int InsetTabular::GetMaxWidthOfCell(Painter & pain, int cell) const
1138 {
1139     string w;
1140
1141     if ((w=tabular->GetPWidth(cell)).empty())
1142         return pain.paperWidth();
1143     return VSpace(w).inPixels( 0, 0);
1144 }
1145
1146 int InsetTabular::getMaxWidth(Painter & pain,
1147                               UpdatableInset const * inset) const
1148 {
1149     int cell;
1150     int n = tabular->GetNumberOfCells();
1151     for(cell=0; cell < n; ++cell) {
1152         if (tabular->GetCellInset(cell) == inset)
1153             break;
1154     }
1155     if (cell >= n)
1156         return pain.paperWidth();
1157     int w = GetMaxWidthOfCell(pain, cell);
1158     // this because text insets remove the xpos from the maxwidth because
1159     // otherwise the would not break good!!!
1160 //    w += getCellXPos(cell) + tabular->GetBeginningOfTextInCell(cell);
1161 //    w += inset->x();
1162     return w;
1163 }
1164
1165 void InsetTabular::recomputeTextInsets(Painter & pain, const LyXFont & font) const
1166 {
1167     InsetText * inset;
1168     int cx, cell;
1169
1170     cx = top_x;
1171     for(int j= 0; j < tabular->columns(); ++j) {
1172         for(int i = 0; i < tabular->rows(); ++i) {
1173             if (tabular->IsPartOfMultiColumn(i,j))
1174                 continue;
1175             cell = tabular->GetCellNumber(i,j);
1176             inset = tabular->GetCellInset(cell);
1177             inset->computeTextRows(pain);
1178             tabular->SetWidthOfCell(cell, inset->width(pain, font));
1179         }
1180         cell = tabular->GetCellNumber(0, j);
1181         cx += tabular->GetWidthOfColumn(cell);
1182     }
1183 }