src/RowPainter.cpp

   1 /**
   2  * \file RowPainter.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author various
   7  * \author John Levon
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "RowPainter.h"
  15
  16 #include "Buffer.h"
  17 #include "CoordCache.h"
  18 #include "Cursor.h"
  19 #include "BufferParams.h"
  20 #include "BufferView.h"
  21 #include "Bullet.h"
  22 #include "Changes.h"
  23 #include "Language.h"
  24 #include "Layout.h"
  25 #include "LyXRC.h"
  26 #include "Row.h"
  27 #include "MetricsInfo.h"
  28 #include "Paragraph.h"
  29 #include "ParagraphList.h"
  30 #include "ParagraphParameters.h"
  31 #include "Text.h"
  32 #include "TextMetrics.h"
  33
  34 #include "frontends/FontMetrics.h"
  35 #include "frontends/Painter.h"
  36
  37 #include "support/debug.h"
  38 #include "support/gettext.h"
  39 #include "support/lassert.h"
  40
  41 #include <algorithm>
  42
  43 using namespace std;
  44
  45 namespace lyx {
  46
  47 using frontend::Painter;
  48 using frontend::FontMetrics;
  49
  50
  51 RowPainter::RowPainter(PainterInfo & pi,
  52         Text const & text, Row const & row, int x, int y)
  53         : pi_(pi), text_(text),
  54           tm_(pi_.base.bv->textMetrics(&text)),
  55           row_(row), par_(text.paragraphs()[row.pit()]),
  56           xo_(x), yo_(y)
  57 {
  58         x_ = row_.left_margin + xo_;
  59
  60         //lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
  61         //row_.dump();
  62
  63         LBUFERR(row.pit() >= 0);
  64         LBUFERR(row.pit() < int(text.paragraphs().size()));
  65 }
  66
  67
  68 FontInfo RowPainter::labelFont(bool end) const
  69 {
  70         FontInfo f = tm_.labelDisplayFont(row_.pit()).fontInfo();
  71         // selected text?
  72         if ((end ? row_.end_margin_sel : row_.begin_margin_sel)
  73             || pi_.selected)
  74                 f.setPaintColor(Color_selectiontext);
  75         return f;
  76 }
  77
  78
  79 // If you want to debug inset metrics uncomment the following line:
  80 //#define DEBUG_METRICS
  81 // This draws green lines around each inset.
  82
  83
  84 void RowPainter::paintInset(Row::Element const & e) const
  85 {
  86         // Handle selection (first left/right, then middle).
  87         pi_.selected_left = pi_.selected
  88                             || (row_.isRTL() ? row_.end_margin_sel : row_.begin_margin_sel);
  89         pi_.selected_right = pi_.selected
  90                              || (row_.isRTL() ? row_.begin_margin_sel : row_.end_margin_sel);
  91         bool const pi_selected = pi_.selected;
  92         Cursor const & cur = pi_.base.bv->cursor();
  93         if (cur.selection() && cur.text() == &text_
  94                 && cur.normalAnchor().text() == &text_)
  95                 pi_.selected = row_.sel_beg <= e.pos && row_.sel_end > e.pos;
  96
  97         LASSERT(e.inset, return);
  98         // Backup full_repaint status because some insets (InsetTabular)
  99         // requires a full repaint
 100         bool const pi_full_repaint = pi_.full_repaint;
 101         bool const pi_do_spellcheck = pi_.do_spellcheck;
 102         Change const pi_change = pi_.change;
 103
 104         pi_.base.font = e.inset->inheritFont() ? e.font.fontInfo() :
 105                 pi_.base.bv->buffer().params().getFont().fontInfo();
 106         pi_.base.outer_font = e.font.fontInfo();
 107         pi_.ltr_pos = !e.font.isVisibleRightToLeft();
 108         pi_.change = pi_.change.changed() ? pi_.change : e.change;
 109         pi_.do_spellcheck &= e.inset->allowSpellCheck();
 110
 111         int const x1 = int(x_);
 112         pi_.base.bv->coordCache().insets().add(e.inset, x1, yo_);
 113         // insets are painted completely. Recursive
 114         // FIXME: it is wrong to completely paint the background
 115         // if we want to do single row painting.
 116         e.inset->drawBackground(pi_, x1, yo_);
 117         e.inset->drawSelection(pi_, x1, yo_);
 118         e.inset->draw(pi_, x1, yo_);
 119         paintTextDecoration(e);
 120
 121         // Restore full_repaint status.
 122         pi_.full_repaint = pi_full_repaint;
 123         pi_.change = pi_change;
 124         pi_.do_spellcheck = pi_do_spellcheck;
 125         pi_.selected = pi_selected;
 126
 127 #ifdef DEBUG_METRICS
 128         Dimension const & dim = pi_.base.bv->coordCache().insets().dim(e.inset);
 129         int const x2 = x1 + dim.wid;
 130         int const y1 = yo_ + dim.des;
 131         int const y2 = yo_ - dim.asc;
 132         pi_.pain.line(x1, y1, x1, y2, Color_green);
 133         pi_.pain.line(x1, y1, x2, y1, Color_green);
 134         pi_.pain.line(x2, y1, x2, y2, Color_green);
 135         pi_.pain.line(x1, y2, x2, y2, Color_green);
 136 #endif
 137 }
 138
 139
 140 void RowPainter::paintLanguageMarkings(Row::Element const & e) const
 141 {
 142         paintForeignMark(e);
 143         paintNoSpellingMark(e);
 144 }
 145
 146
 147 void RowPainter::paintForeignMark(Row::Element const & e) const
 148 {
 149         Language const * lang = e.font.language();
 150         if (!lyxrc.mark_foreign_language)
 151                 return;
 152         if (lang == latex_language)
 153                 return;
 154         if (lang == pi_.base.bv->buffer().params().language)
 155                 return;
 156
 157         int const desc = e.inset ? e.dim.descent() : 0;
 158         int const y = yo_ + min(3 * pi_.base.solidLineOffset() / 2 + desc,
 159                                 row_.descent() - 1);
 160         pi_.pain.line(int(x_), y, int(x_ + e.full_width() - 1), y, Color_language,
 161                       Painter::line_solid, pi_.base.solidLineThickness());
 162 }
 163
 164
 165 void RowPainter::paintNoSpellingMark(Row::Element const & e) const
 166 {
 167         //if (!lyxrc.mark_no_spelling)
 168         //      return;
 169         if (e.font.language() == latex_language)
 170                 return;
 171         if (e.font.fontInfo().nospellcheck() != FONT_ON)
 172                 return;
 173
 174         // We at the same voffset than the misspelled mark, since
 175         // these two are mutually exclusive
 176         int const desc = e.inset ? e.dim.descent() : 0;
 177         int y = yo_ + pi_.base.solidLineOffset() + desc
 178                 + pi_.base.solidLineThickness()
 179                 + (e.change.changed() ? pi_.base.solidLineThickness() + 1 : 0)
 180                 + 1;
 181         // Make sure that the mark does not go below the row rectangle
 182         y = min(y, yo_ + row_.descent() - 1);
 183
 184         pi_.pain.line(int(x_), y, int(x_ + e.full_width()), y, Color_language,
 185                       Painter::line_onoffdash, pi_.base.solidLineThickness());
 186 }
 187
 188
 189 void RowPainter::paintMisspelledMark(Row::Element const & e) const
 190 {
 191         if (e.font.fontInfo().nospellcheck() == FONT_ON)
 192                 return;
 193         // if changed the misspelled marker gets placed slightly lower than normal
 194         // to avoid drawing at the same vertical offset
 195         FontMetrics const & fm = theFontMetrics(e.font);
 196         int const thickness = max(fm.lineWidth(), 2);
 197         int y = yo_ + pi_.base.solidLineOffset() + pi_.base.solidLineThickness()
 198                 + (e.change.changed() ? pi_.base.solidLineThickness() + 1 : 0)
 199                 + 1 + thickness / 2;
 200         // Make sure that the mark does not go below the row rectangle
 201         y = min(y, yo_ + row_.descent() - 1);
 202
 203         //FIXME: this could be computed only once, it is probably not costly.
 204         // check for cursor position
 205         // don't draw misspelled marker for words at cursor position
 206         // we don't want to disturb the process of text editing
 207         DocIterator const nw = pi_.base.bv->cursor().newWord();
 208         pos_type cpos = -1;
 209         if (!nw.empty() && par_.id() == nw.paragraph().id()) {
 210                 cpos = nw.pos();
 211                 if (cpos > 0 && cpos == par_.size() && !par_.isWordSeparator(cpos-1))
 212                         --cpos;
 213                 else if (cpos > 0 && par_.isWordSeparator(cpos))
 214                         --cpos;
 215         }
 216
 217         pos_type pos = e.pos;
 218         while (pos < e.pos + pos_type(e.str.length())) {
 219                 if (!par_.isMisspelled(pos)) {
 220                         ++pos;
 221                         continue;
 222                 }
 223
 224                 FontSpan const & range = par_.getSpellRange(pos);
 225
 226                 // Skip element which are being edited
 227                 if (range.contains(cpos)) {
 228                         // the range includes the last element
 229                         pos = range.last + 1;
 230                         continue;
 231                 }
 232
 233                 int x1 = fm.pos2x(e.str, range.first - e.pos,
 234                                   e.isRTL(), e.extra);
 235                 int x2 = fm.pos2x(e.str, min(range.last - e.pos + 1,
 236                                                                          pos_type(e.str.length())),
 237                                                                          e.isRTL(), e.extra);
 238                 if (x1 > x2)
 239                         swap(x1, x2);
 240
 241                 pi_.pain.line(int(x_ + x1), y, int(x_ + x2), y,
 242                               Color_error,
 243                               Painter::line_onoffdash, thickness);
 244                 pos = range.last + 1;
 245         }
 246 }
 247
 248
 249 void RowPainter::paintStringAndSel(Row::Element const & e) const
 250 {
 251         // at least part of text selected?
 252         bool const some_sel = (e.endpos >= row_.sel_beg && e.pos < row_.sel_end)
 253                 || pi_.selected;
 254         // all the text selected?
 255         bool const all_sel = (e.pos >= row_.sel_beg && e.endpos < row_.sel_end)
 256                 || pi_.selected;
 257
 258         if (all_sel || e.change.changed()) {
 259                 Font copy = e.font;
 260                 Color const col = e.change.changed() ? e.change.color()
 261                                                      : Color_selectiontext;
 262                 copy.fontInfo().setPaintColor(col);
 263                 pi_.pain.text(int(x_), yo_, e.str, copy, e.extra, e.full_width());
 264         } else if (!some_sel) {
 265                 pi_.pain.text(int(x_), yo_, e.str, e.font, e.extra, e.full_width());
 266         } else {
 267                 pi_.pain.text(int(x_), yo_, e.str, e.font, Color_selectiontext,
 268                               max(row_.sel_beg, e.pos) - e.pos,
 269                               min(row_.sel_end, e.endpos) - e.pos,
 270                               e.extra, e.full_width());
 271         }
 272 }
 273
 274
 275 void RowPainter::paintTextDecoration(Row::Element const & e) const
 276 {
 277         // element selected?
 278         bool const sel = (e.pos >= row_.sel_beg && e.endpos <= row_.sel_end)
 279                 || pi_.selected;
 280         FontInfo copy = e.font.fontInfo();
 281         if (sel || e.change.changed()) {
 282                 Color const col = e.change.changed() ? e.change.color()
 283                                                      : Color_selectiontext;
 284                 copy.setPaintColor(col);
 285         }
 286         pi_.pain.textDecoration(copy, int(x_), yo_, int(e.full_width()));
 287 }
 288
 289
 290 void RowPainter::paintChange(Row::Element const & e) const
 291 {
 292         e.change.paintCue(pi_, x_, yo_, x_ + e.full_width(), e.font.fontInfo());
 293 }
 294
 295
 296 void RowPainter::paintChangeBar() const
 297 {
 298         int const x = pi_.base.bv->leftMargin() - pi_.base.bv->zoomedPixels(7);
 299         Dimension const & cdim = row_.contents_dim();
 300         pi_.pain.fillRectangle(x, yo_ - cdim.ascent(),
 301                                3, cdim.height(), Color_changebar);
 302 }
 303
 304
 305 void RowPainter::paintAppendix() const
 306 {
 307         // only draw the appendix frame once (for the main text)
 308         if (!par_.params().appendix() || !text_.isMainText())
 309                 return;
 310
 311         int y = yo_ - row_.ascent();
 312
 313         if (par_.params().startOfAppendix())
 314                 y += 2 * defaultRowHeight();
 315
 316         pi_.pain.line(1, y, 1, yo_ + row_.height(), Color_appendix);
 317         pi_.pain.line(tm_.width() - 2, y, tm_.width() - 2, yo_ + row_.height(), Color_appendix);
 318 }
 319
 320
 321 void RowPainter::paintDepthBar() const
 322 {
 323         depth_type const depth = par_.getDepth();
 324         ParagraphList const & pars = text_.paragraphs();
 325
 326         if (depth <= 0)
 327                 return;
 328
 329         depth_type prev_depth = 0;
 330         if (!tm_.isFirstRow(row_)) {
 331                 pit_type pit2 = row_.pit();
 332                 if (row_.pos() == 0)
 333                         --pit2;
 334                 prev_depth = pars[pit2].getDepth();
 335         }
 336
 337         depth_type next_depth = 0;
 338         if (!tm_.isLastRow(row_)) {
 339                 pit_type pit2 = row_.pit();
 340                 if (row_.endpos() >= pars[pit2].size())
 341                         ++pit2;
 342                 next_depth = pars[pit2].getDepth();
 343         }
 344
 345         for (depth_type i = 1; i <= depth; ++i) {
 346                 int const w = nestMargin() / 5;
 347                 int x = int(xo_) + w * i;
 348                 // only consider the changebar space if we're drawing outermost text
 349                 if (text_.isMainText())
 350                         x += pi_.base.bv->leftMargin() - changebarMargin();
 351
 352                 int const starty = yo_ - row_.ascent();
 353                 int const h =  row_.height() - 1 - (i - next_depth - 1) * 3;
 354
 355                 pi_.pain.line(x, starty, x, starty + h, Color_depthbar);
 356
 357                 if (i > prev_depth)
 358                         pi_.pain.fillRectangle(x, starty, w, 2, Color_depthbar);
 359                 if (i > next_depth)
 360                         pi_.pain.fillRectangle(x, starty + h, w, 2, Color_depthbar);
 361         }
 362 }
 363
 364
 365 void RowPainter::paintAppendixStart(int y) const
 366 {
 367         FontInfo pb_font = sane_font;
 368         pb_font.setColor(Color_appendix);
 369         pb_font.decSize();
 370
 371         int w = 0;
 372         int a = 0;
 373         int d = 0;
 374
 375         docstring const label = _("Appendix");
 376         theFontMetrics(pb_font).rectText(label, w, a, d);
 377
 378         int const text_start = int(xo_ + (tm_.width() - w) / 2);
 379         int const text_end = text_start + w;
 380
 381         pi_.pain.rectText(text_start, y + d, label, pb_font, Color_none, Color_none);
 382
 383         pi_.pain.line(int(xo_ + 1), y, text_start, y, Color_appendix);
 384         pi_.pain.line(text_end, y, int(xo_ + tm_.width() - 2), y, Color_appendix);
 385 }
 386
 387
 388 void RowPainter::paintTooLargeMarks(bool const left, bool const right) const
 389 {
 390         int const lwid = pi_.base.dottedLineThickness();
 391         Dimension const & cdim = row_.contents_dim();
 392         if (left) {
 393                 int const x = pi_.base.bv->leftMargin() - lwid;
 394                 pi_.pain.line(x, yo_ - cdim.ascent(), x, yo_ + cdim.descent(),
 395                               Color_scroll, Painter::line_onoffdash, lwid);
 396         }
 397         if (right) {
 398                 int const x = pi_.base.bv->workWidth() - pi_.base.bv->rightMargin();
 399                 pi_.pain.line(x, yo_ - cdim.ascent(), x, yo_ + cdim.descent(),
 400                               Color_scroll, Painter::line_onoffdash, lwid);
 401         }
 402 }
 403
 404
 405 void RowPainter::paintFirst() const
 406 {
 407         Layout const & layout = par_.layout();
 408
 409         // start of appendix?
 410         if (par_.params().startOfAppendix())
 411             paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
 412
 413         bool const is_first =
 414                 text_.isFirstInSequence(row_.pit()) || !layout.isParagraphGroup();
 415         //lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << endl;
 416
 417         if (layout.labelIsInline()
 418             && (layout.labeltype != LABEL_STATIC || is_first))
 419                 paintLabel();
 420         else if (is_first && layout.labelIsAbove())
 421                 paintTopLevelLabel();
 422 }
 423
 424
 425 void RowPainter::paintLabel() const
 426 {
 427         docstring const & str = par_.labelString();
 428         if (str.empty())
 429                 return;
 430
 431         // different font for label separation and string
 432         Layout const & layout = par_.layout();
 433         FontInfo const font = labelFont(false);
 434         FontMetrics const & fm = theFontMetrics(font);
 435         FontInfo lfont = font;
 436
 437         // bullet?
 438         if (layout.labeltype == LABEL_ITEMIZE && par_.itemdepth < 4) {
 439                 // get label font size from document properties
 440                 lfont.setSize(pi_.base.bv->buffer().params().user_defined_bullet(par_.itemdepth).getFontSize());
 441                 // realize to avoid assertion
 442                 lfont.realize(sane_font);
 443         }
 444
 445         FontMetrics const & lfm = theFontMetrics(lfont);
 446
 447         int const x = row_.isRTL() ? row_.width() + fm.width(layout.labelsep)
 448                                    : row_.left_margin - fm.width(layout.labelsep) - lfm.width(str);
 449
 450         pi_.pain.text(int(xo_) + x, yo_, str, lfont);
 451 }
 452
 453
 454 void RowPainter::paintTopLevelLabel() const
 455 {
 456         BufferParams const & bparams = pi_.base.bv->buffer().params();
 457         ParagraphParameters const & pparams = par_.params();
 458         Layout const & layout = par_.layout();
 459         FontInfo const font = labelFont(false);
 460         docstring const str = par_.labelString();
 461         if (str.empty())
 462                 return;
 463
 464         double spacing_val = 1.0;
 465         if (!pparams.spacing().isDefault())
 466                 spacing_val = pparams.spacing().getValue();
 467         else
 468                 spacing_val = bparams.spacing().getValue();
 469
 470         FontMetrics const & fm = theFontMetrics(font);
 471
 472         int const labeladdon = int(fm.maxHeight()
 473                 * layout.spacing.getValue() * spacing_val);
 474
 475         int maxdesc =
 476                 int(fm.maxDescent() * layout.spacing.getValue() * spacing_val
 477                 + (layout.labelbottomsep * defaultRowHeight()));
 478
 479         double x = x_;
 480         if (layout.labeltype == LABEL_CENTERED) {
 481                 // The 'size + 1' is weird, but it makes sure that we get the
 482                 // left margin of non-first row.
 483                 int leftm = tm_.leftMargin(row_.pit(), par_.size() + 1);
 484                 int rightm = tm_.rightMargin(row_.pit());
 485                 if (row_.isRTL())
 486                         swap(leftm, rightm);
 487                 /* Currently, x points at row_.left_margin (which contains the
 488                  * indent). First remove that, and then center the title with
 489                  * respect to the left and right margins.
 490                  */
 491                 x += leftm - row_.left_margin + (tm_.width() - leftm -rightm) / 2
 492                         - fm.width(str) / 2;
 493         } else if (row_.isRTL()) {
 494                 x = xo_ + tm_.width() - row_.right_margin - fm.width(str);
 495         }
 496         pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
 497 }
 498
 499
 500 void RowPainter::paintLast() const
 501 {
 502         int const endlabel = text_.getEndLabel(row_.pit());
 503         switch (endlabel) {
 504         case END_LABEL_BOX:
 505         case END_LABEL_FILLED_BOX: {
 506                 FontInfo font = labelFont(true);
 507                 if (font.realColor() != Color_selectiontext)
 508                         font.setPaintColor(Color_eolmarker);
 509                 FontMetrics const & fm = theFontMetrics(font);
 510                 int const size = int(0.75 * fm.maxAscent());
 511                 int const y = yo_ - size;
 512
 513                 // If needed, move the box a bit to avoid overlapping with text.
 514                 int x = 0;
 515                 if (row_.isRTL()) {
 516                         int const normal_x = nestMargin() + changebarMargin();
 517                         x = min(normal_x, row_.left_margin - size - Inset::textOffset(pi_.base.bv));
 518                 } else {
 519                         int const normal_x = tm_.width() - row_.right_margin
 520                                 - size - Inset::textOffset(pi_.base.bv);
 521                         x = max(normal_x, row_.width());
 522                 }
 523
 524                 if (endlabel == END_LABEL_BOX)
 525                         pi_.pain.rectangle(int(xo_) + x, y, size, size, font.realColor());
 526                 else
 527                         pi_.pain.fillRectangle(int(xo_) + x, y, size, size, font.realColor());
 528                 break;
 529         }
 530
 531         case END_LABEL_STATIC: {
 532                 FontInfo const font = labelFont(true);
 533                 FontMetrics const & fm = theFontMetrics(font);
 534                 docstring const & str = par_.layout().endlabelstring();
 535                 double const x = row_.isRTL() ? row_.left_margin - fm.width(str) : row_.width();
 536                 pi_.pain.text(xo_ + x, yo_, str, font);
 537                 break;
 538         }
 539
 540         case END_LABEL_NO_LABEL:
 541                 break;
 542         }
 543 }
 544
 545
 546 void RowPainter::paintOnlyInsets()
 547 {
 548         for (Row::Element const & e : row_) {
 549                 if (e.type == Row::INSET) {
 550                         paintInset(e);
 551                         // The markings of foreign languages
 552                         // and of text ignored for spellchecking
 553                         paintLanguageMarkings(e);
 554                         // change tracking (not for insets that handle it themselves)
 555                         if (!e.inset->canPaintChange(*pi_.base.bv))
 556                                 paintChange(e);
 557                 }
 558
 559                 x_ += e.full_width();
 560         }
 561 }
 562
 563
 564 void RowPainter::paintText()
 565 {
 566         for (Row::Element const & e : row_) {
 567                 switch (e.type) {
 568                 case Row::STRING:
 569                 case Row::VIRTUAL:
 570                         paintStringAndSel(e);
 571
 572                         // Paint the spelling marks if enabled.
 573                         if (lyxrc.spellcheck_continuously && pi_.do_spellcheck && !pi_.pain.isNull())
 574                                 paintMisspelledMark(e);
 575                         break;
 576
 577                 case Row::INSET:
 578                         paintInset(e);
 579                         break;
 580
 581                 case Row::SPACE:
 582                 case Row::MARGINSPACE:
 583                         paintTextDecoration(e);
 584                 }
 585
 586                 // The markings of foreign languages
 587                 // and of text ignored for spellchecking
 588                 paintLanguageMarkings(e);
 589
 590                 // change tracking (not for insets that handle it themselves)
 591                 if (e.type != Row::INSET || ! e.inset->canPaintChange(*pi_.base.bv))
 592                         paintChange(e);
 593
 594                 x_ += e.full_width();
 595         }
 596 }
 597
 598
 599 void RowPainter::paintSelection() const
 600 {
 601         if (!row_.selection())
 602                 return;
 603
 604         int const y1 = yo_ - row_.contents_dim().asc;
 605         int const y2 = yo_ + row_.contents_dim().des;
 606
 607         // The top selection
 608         if (row_.begin_margin_sel)
 609                 pi_.pain.fillRectangle(int(xo_), yo_ - row_.ascent(),
 610                                        tm_.width(), row_.ascent() - row_.contents_dim().asc,
 611                                        Color_selection);
 612
 613         // The left margin selection
 614         if (row_.isRTL() ? row_.end_margin_sel : row_.begin_margin_sel)
 615                 pi_.pain.fillRectangle(int(xo_), y1, row_.left_margin, y2 - y1,
 616                                        Color_selection);
 617
 618         // go through row and draw from RTL boundary to RTL boundary
 619         double x = xo_ + row_.left_margin;
 620         for (auto const & e : row_) {
 621                 // These are the same tests as in paintStringAndSel, except
 622                 // that all_sel has an additional clause that triggers for end
 623                 // of paragraph markers. The clause was not used in
 624                 // paintStringAndSel to avoid changing the drawing color.
 625                 // at least part of text selected?
 626                 bool const some_sel = (e.endpos >= row_.sel_beg && e.pos < row_.sel_end)
 627                         || pi_.selected;
 628                 // all the text selected?
 629                 bool const all_sel = (e.pos >= row_.sel_beg && e.endpos < row_.sel_end)
 630                     || (e.isVirtual() && e.pos == row_.endpos() && row_.end_margin_sel)
 631                     || pi_.selected;
 632
 633                 if (all_sel) {
 634                         // the 3rd argument is written like that to avoid rounding issues
 635                         pi_.pain.fillRectangle(int(x), y1,
 636                                                int(x + e.full_width()) - int(x), y2 - y1,
 637                                                Color_selection);
 638                 } else if (some_sel) {
 639                         pos_type const from = min(max(row_.sel_beg, e.pos), e.endpos);
 640                         pos_type const to = max(min(row_.sel_end, e.endpos), e.pos);
 641                         double x1 = e.pos2x(from);
 642                         double x2 = e.pos2x(to);
 643                         if (x1 > x2)
 644                                 swap(x1, x2);
 645                         // the 3rd argument is written like that to avoid rounding issues
 646                         pi_.pain.fillRectangle(int(x + x1), y1, int(x2 + x) - int(x1 + x),
 647                                                y2 - y1, Color_selection);
 648                 }
 649                 x += e.full_width();
 650         }
 651
 652         // the right margin selection
 653         if (row_.isRTL() ? row_.begin_margin_sel : row_.end_margin_sel)
 654                 pi_.pain.fillRectangle(int(x), y1,
 655                                        int(xo_ + tm_.width()) - int(x), y2 - y1,
 656                                        Color_selection);
 657         // The bottom selection
 658         if (row_.end_margin_sel)
 659                 pi_.pain.fillRectangle(int(xo_), yo_ + row_.contents_dim().des,
 660                                        tm_.width(), row_.descent() - row_.contents_dim().des,
 661                                        Color_selection);
 662 }
 663
 664
 665 void RowPainter::paintBookmark(int num) const
 666 {
 667         BufferView const * bv = pi_.base.bv;
 668         FontInfo fi = bv->buffer().params().getFont().fontInfo();
 669         FontMetrics const & fm = theFontMetrics(fi);
 670         fi.setColor(Color_bookmark);
 671         // ❶ U+2776 DINGBAT NEGATIVE CIRCLED DIGIT ONE
 672         char_type const ch = 0x2775 + num;
 673         int const x = row_.isRTL()
 674                 ? bv->workWidth() - bv->rightMargin() + (bv->defaultMargin() - fm.width(ch)) / 2
 675                 : bv->leftMargin() - (bv->defaultMargin() + fm.width(ch)) / 2;
 676         pi_.pain.text(x, yo_, ch, fi);
 677 }
 678
 679
 680 } // namespace lyx