3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
9 * Full author contact details are available in file CREDITS.
15 #include "RowPainter.h"
18 #include "CoordCache.h"
20 #include "BufferParams.h"
21 #include "BufferView.h"
27 #include "MetricsInfo.h"
28 #include "Paragraph.h"
29 #include "ParagraphMetrics.h"
30 #include "ParagraphParameters.h"
31 #include "TextMetrics.h"
34 #include "frontends/FontMetrics.h"
35 #include "frontends/Painter.h"
37 #include "insets/InsetText.h"
39 #include "mathed/InsetMath.h"
41 #include "support/debug.h"
42 #include "support/gettext.h"
43 #include "support/textutils.h"
45 #include "support/lassert.h"
46 #include <boost/crc.hpp>
52 using frontend::Painter;
53 using frontend::FontMetrics;
56 RowPainter::RowPainter(PainterInfo & pi,
57 Text const & text, pit_type pit, Row const & row, int x, int y)
58 : pi_(pi), text_(text),
59 text_metrics_(pi_.base.bv->textMetrics(&text)),
60 pars_(text.paragraphs()),
61 row_(row), pit_(pit), par_(text.paragraphs()[pit]),
62 pm_(text_metrics_.parMetrics(pit)), change_(pi_.change_),
63 xo_(x), yo_(y), width_(text_metrics_.width()),
64 solid_line_thickness_(1.0), solid_line_offset_(1),
65 dotted_line_thickness_(1.0), dotted_line_offset_(2)
67 bidi_.computeTables(par_, pi_.base.bv->buffer(), row_);
69 if (lyxrc.zoom >= 200) {
70 // derive the line thickness from zoom factor
71 // the zoom is given in percent
72 // (increase thickness at 250%, 450% etc.)
73 solid_line_thickness_ = (float)(int((lyxrc.zoom + 50) / 200.0));
74 // adjust line_offset_ too
75 solid_line_offset_ = 1 + int(0.5 * solid_line_thickness_);
77 if (lyxrc.zoom >= 100) {
78 // derive the line thickness from zoom factor
79 // the zoom is given in percent
80 // (increase thickness at 150%, 250% etc.)
81 dotted_line_thickness_ = (float)(int((lyxrc.zoom + 50) / 100.0));
82 // adjust line_offset_ too
83 dotted_line_offset_ = int(0.5 * dotted_line_thickness_) + 1;
86 x_ = row_.left_margin + xo_;
88 //lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
92 LBUFERR(pit < int(text.paragraphs().size()));
96 FontInfo RowPainter::labelFont() const
98 FontInfo f = text_.labelFont(par_);
100 if (row_.begin_margin_sel || pi_.selected)
101 f.setPaintColor(Color_selectiontext);
106 int RowPainter::leftMargin() const
108 return text_metrics_.leftMargin(text_metrics_.width(), pit_,
112 // If you want to debug inset metrics uncomment the following line:
113 //#define DEBUG_METRICS
114 // This draws green lines around each inset.
117 void RowPainter::paintInset(Inset const * inset, pos_type const pos)
119 Font const font = text_metrics_.displayFont(pit_, pos);
121 LASSERT(inset, return);
122 // Backup full_repaint status because some insets (InsetTabular)
123 // requires a full repaint
124 bool pi_full_repaint = pi_.full_repaint;
126 pi_.base.font = inset->inheritFont() ? font.fontInfo() :
127 pi_.base.bv->buffer().params().getFont().fontInfo();
128 pi_.ltr_pos = (bidi_.level(pos) % 2 == 0);
129 Change prev_change = change_;
130 pi_.change_ = change_.changed() ? change_ : par_.lookupChange(pos);
132 int const x1 = int(x_);
133 pi_.base.bv->coordCache().insets().add(inset, x1, yo_);
134 // insets are painted completely. Recursive
135 // FIXME: it is wrong to completely paint the background
136 // if we want to do single row painting.
137 inset->drawBackground(pi_, x1, yo_);
138 inset->drawSelection(pi_, x1, yo_);
139 inset->draw(pi_, x1, yo_);
141 Dimension const & dim = pm_.insetDimension(inset);
143 paintForeignMark(x_, font.language(), dim.descent());
147 // Restore full_repaint status.
148 pi_.full_repaint = pi_full_repaint;
149 pi_.change_ = prev_change;
152 int const x2 = x1 + dim.wid;
153 int const y1 = yo_ + dim.des;
154 int const y2 = yo_ - dim.asc;
155 pi_.pain.line(x1, y1, x1, y2, Color_green);
156 pi_.pain.line(x1, y1, x2, y1, Color_green);
157 pi_.pain.line(x2, y1, x2, y2, Color_green);
158 pi_.pain.line(x1, y2, x2, y2, Color_green);
163 void RowPainter::paintChars(pos_type & vpos, Font const & font)
165 // This method takes up 70% of time when typing
166 pos_type pos = bidi_.vis2log(vpos);
167 pos_type start_pos = pos;
171 char_type const c = par_.getChar(pos);
174 FontSpan const font_span = par_.fontSpan(pos);
175 // Track-change status.
176 Change const & change_running = par_.lookupChange(pos);
178 bool const spell_state =
179 lyxrc.spellcheck_continuously && par_.isMisspelled(pos);
181 // collect as much similar chars as we can
182 pos_type const end = row_.endpos();
183 for (++vpos ; vpos < end ; ++vpos) {
184 pos = bidi_.vis2log(vpos);
186 if (!font_span.contains(pos))
189 bool const new_spell_state =
190 lyxrc.spellcheck_continuously && par_.isMisspelled(pos);
191 if (new_spell_state != spell_state)
192 // Spell checker state changed here.
195 Change const & change = par_.lookupChange(pos);
196 if (!change_running.isSimilarTo(change))
197 // Track change type or author has changed.
200 char_type const c = par_.getChar(pos);
205 if (!isPrintableNonspace(c))
211 // Make pos point to the last character in the string.
212 // Using "pos = bidi_.vis2log(vpos)" does not work for some reason.
214 pos = bidi_.vis2log(vpos - 1);
216 // Now make pos point to the position _after_ the string.
217 // Using vis2log for that is not a good idea in general, we
218 // want logical ordering.
219 if (font.isVisibleRightToLeft())
225 str.replace(0,1,from_ascii(" "));
227 /* Because we do our own bidi, at this point the strings are
228 * already in visual order. However, Qt also applies its own
229 * bidi algorithm to strings that it paints to the screen.
230 * Therefore, if we were to paint Hebrew/Arabic words as a
231 * single string, the letters in the words would get reversed
232 * again. In order to avoid that, we force LTR drawing.
233 * See also http://thread.gmane.org/gmane.editors.lyx.devel/79740
234 * for an earlier thread on the subject
236 if (font.isVisibleRightToLeft()) {
237 reverse(str.begin(), str.end());
238 // If the string is reversed, the positions need to be adjusted
241 swap(start_pos, pos);
244 // at least part of text selected?
245 bool const some_sel = (pos >= row_.sel_beg && start_pos < row_.sel_end)
247 // all the text selected?
248 bool const all_sel = (start_pos >= row_.sel_beg && pos < row_.sel_end)
253 copy.fontInfo().setPaintColor(Color_selectiontext);
254 x_ += pi_.pain.text(int(x_), yo_, str, copy);
255 } else if (change_running.changed()) {
257 copy.fontInfo().setPaintColor(change_running.color());
258 x_ += pi_.pain.text(int(x_), yo_, str, copy);
259 } else if (!some_sel) {
260 x_ += pi_.pain.text(int(x_), yo_, str, font);
262 x_ += pi_.pain.text(int(x_), yo_, str, font, Color_selectiontext,
263 max(row_.sel_beg, start_pos) - start_pos,
264 min(row_.sel_end, pos) - start_pos);
269 void RowPainter::paintSeparator(double orig_x, double width,
270 FontInfo const & font)
272 pi_.pain.textDecoration(font, int(orig_x), yo_, int(width));
277 void RowPainter::paintForeignMark(double orig_x, Language const * lang,
280 if (!lyxrc.mark_foreign_language)
282 if (lang == latex_language)
284 if (lang == pi_.base.bv->buffer().params().language)
287 int const y = yo_ + solid_line_offset_ + desc + int(solid_line_thickness_/2);
288 pi_.pain.line(int(orig_x), y, int(x_), y, Color_language,
289 Painter::line_solid, solid_line_thickness_);
293 void RowPainter::paintMisspelledMark(double orig_x, bool changed)
295 // if changed the misspelled marker gets placed slightly lower than normal
296 // to avoid drawing at the same vertical offset
297 float const y = yo_ + solid_line_offset_ + solid_line_thickness_
298 + (changed ? solid_line_thickness_ + 1 : 0)
299 + dotted_line_offset_;
300 pi_.pain.line(int(orig_x), int(y), int(x_), int(y), Color_error,
301 Painter::line_onoffdash, dotted_line_thickness_);
305 void RowPainter::paintFromPos(pos_type & vpos, bool changed)
307 pos_type const pos = bidi_.vis2log(vpos);
308 Font const font = text_metrics_.displayFont(pit_, pos);
309 double const orig_x = x_;
311 paintChars(vpos, font);
312 paintForeignMark(orig_x, font.language());
314 // Paint the spelling mark if needed.
315 if (lyxrc.spellcheck_continuously && par_.isMisspelled(pos)) {
316 // check for cursor position
317 // don't draw misspelled marker for words at cursor position
318 // we don't want to disturb the process of text editing
319 BufferView const * bv = pi_.base.bv;
320 DocIterator const nw = bv->cursor().newWord();
321 bool new_word = false;
322 if (!nw.empty() && par_.id() == nw.paragraph().id()) {
323 pos_type cpos = nw.pos();
324 if (cpos > 0 && cpos == par_.size() && !par_.isWordSeparator(cpos-1))
326 else if (cpos > 0 && par_.isWordSeparator(cpos))
328 new_word = par_.isSameSpellRange(pos, cpos) ;
331 paintMisspelledMark(orig_x, changed);
336 void RowPainter::paintChangeBar()
338 pos_type const start = row_.pos();
339 pos_type end = row_.endpos();
341 if (par_.size() == end) {
342 // this is the last row of the paragraph;
343 // thus, we must also consider the imaginary end-of-par character
347 if (start == end || !par_.isChanged(start, end))
350 int const height = text_metrics_.isLastRow(pit_, row_)
354 pi_.pain.fillRectangle(5, yo_ - row_.ascent(), 3, height, Color_changebar);
358 void RowPainter::paintAppendix()
360 // only draw the appendix frame once (for the main text)
361 if (!par_.params().appendix() || !text_.isMainText())
364 int y = yo_ - row_.ascent();
366 if (par_.params().startOfAppendix())
367 y += 2 * defaultRowHeight();
369 pi_.pain.line(1, y, 1, yo_ + row_.height(), Color_appendix);
370 pi_.pain.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), Color_appendix);
374 void RowPainter::paintDepthBar()
376 depth_type const depth = par_.getDepth();
381 depth_type prev_depth = 0;
382 if (!text_metrics_.isFirstRow(pit_, row_)) {
383 pit_type pit2 = pit_;
386 prev_depth = pars_[pit2].getDepth();
389 depth_type next_depth = 0;
390 if (!text_metrics_.isLastRow(pit_, row_)) {
391 pit_type pit2 = pit_;
392 if (row_.endpos() >= pars_[pit2].size())
394 next_depth = pars_[pit2].getDepth();
397 for (depth_type i = 1; i <= depth; ++i) {
398 int const w = nestMargin() / 5;
399 int x = int(xo_) + w * i;
400 // only consider the changebar space if we're drawing outermost text
401 if (text_.isMainText())
402 x += changebarMargin();
404 int const starty = yo_ - row_.ascent();
405 int const h = row_.height() - 1 - (i - next_depth - 1) * 3;
407 pi_.pain.line(x, starty, x, starty + h, Color_depthbar);
410 pi_.pain.fillRectangle(x, starty, w, 2, Color_depthbar);
412 pi_.pain.fillRectangle(x, starty + h, w, 2, Color_depthbar);
417 int RowPainter::paintAppendixStart(int y)
419 FontInfo pb_font = sane_font;
420 pb_font.setColor(Color_appendix);
427 docstring const label = _("Appendix");
428 theFontMetrics(pb_font).rectText(label, w, a, d);
430 int const text_start = int(xo_ + (width_ - w) / 2);
431 int const text_end = text_start + w;
433 pi_.pain.rectText(text_start, y + d, label, pb_font, Color_none, Color_none);
435 pi_.pain.line(int(xo_ + 1), y, text_start, y, Color_appendix);
436 pi_.pain.line(text_end, y, int(xo_ + width_ - 2), y, Color_appendix);
438 return 3 * defaultRowHeight();
442 void RowPainter::paintFirst()
444 BufferParams const & bparams = pi_.base.bv->buffer().params();
445 Layout const & layout = par_.layout();
449 // start of appendix?
450 if (par_.params().startOfAppendix())
451 y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
453 if (bparams.paragraph_separation == BufferParams::ParagraphSkipSeparation
455 if (layout.latextype == LATEX_PARAGRAPH
456 && !par_.getDepth()) {
457 y_top += bparams.getDefSkip().inPixels(*pi_.base.bv);
459 Layout const & playout = pars_[pit_ - 1].layout();
460 if (playout.latextype == LATEX_PARAGRAPH
461 && !pars_[pit_ - 1].getDepth()) {
462 // is it right to use defskip here, too? (AS)
463 y_top += bparams.getDefSkip().inPixels(*pi_.base.bv);
468 bool const is_first =
469 text_.isFirstInSequence(pit_) || !layout.isParagraphGroup();
470 //lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << endl;
472 if (layout.labelIsInline()
473 && (layout.labeltype != LABEL_STATIC || is_first)) {
475 } else if (is_first && layout.labelIsAbove()) {
476 paintTopLevelLabel();
481 void RowPainter::paintLabel()
483 docstring const str = par_.labelString();
487 bool const is_rtl = text_.isRTL(par_);
488 Layout const & layout = par_.layout();
489 FontInfo const font = labelFont();
490 FontMetrics const & fm = theFontMetrics(font);
494 x = width_ - leftMargin()
495 + fm.width(layout.labelsep);
497 x = x_ - fm.width(layout.labelsep)
501 pi_.pain.text(int(x), yo_, str, font);
505 void RowPainter::paintTopLevelLabel()
507 BufferParams const & bparams = pi_.base.bv->buffer().params();
508 bool const is_rtl = text_.isRTL(par_);
509 ParagraphParameters const & pparams = par_.params();
510 Layout const & layout = par_.layout();
511 FontInfo const font = labelFont();
512 docstring const str = par_.labelString();
516 double spacing_val = 1.0;
517 if (!pparams.spacing().isDefault())
518 spacing_val = pparams.spacing().getValue();
520 spacing_val = bparams.spacing().getValue();
522 FontMetrics const & fm = theFontMetrics(font);
524 int const labeladdon = int(fm.maxHeight()
525 * layout.spacing.getValue() * spacing_val);
528 int(fm.maxDescent() * layout.spacing.getValue() * spacing_val
529 + (layout.labelbottomsep * defaultRowHeight()));
532 if (layout.labeltype == LABEL_CENTERED) {
535 x += (width_ - text_metrics_.rightMargin(pm_) - leftMargin()) / 2;
536 x -= fm.width(str) / 2;
538 x = width_ - leftMargin() - fm.width(str);
540 pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
544 /** Check if the current paragraph is the last paragraph in a
546 static int getEndLabel(pit_type p, Text const & text)
548 ParagraphList const & pars = text.paragraphs();
550 depth_type par_depth = pars[p].getDepth();
551 while (pit != pit_type(pars.size())) {
552 Layout const & layout = pars[pit].layout();
553 int const endlabeltype = layout.endlabeltype;
555 if (endlabeltype != END_LABEL_NO_LABEL) {
556 if (p + 1 == pit_type(pars.size()))
559 depth_type const next_depth =
560 pars[p + 1].getDepth();
561 if (par_depth > next_depth ||
562 (par_depth == next_depth && layout != pars[p + 1].layout()))
568 pit = text.outerHook(pit);
569 if (pit != pit_type(pars.size()))
570 par_depth = pars[pit].getDepth();
572 return END_LABEL_NO_LABEL;
576 void RowPainter::paintLast()
578 bool const is_rtl = text_.isRTL(par_);
579 int const endlabel = getEndLabel(pit_, text_);
581 // paint imaginary end-of-paragraph character
583 Change const & change = par_.lookupChange(par_.size());
584 if (change.changed()) {
585 FontMetrics const & fm =
586 theFontMetrics(pi_.base.bv->buffer().params().getFont());
587 int const length = fm.maxAscent() / 2;
588 Color col = change.color();
590 pi_.pain.line(int(x_) + 1, yo_ + 2, int(x_) + 1, yo_ + 2 - length, col,
591 Painter::line_solid, 3);
593 if (change.deleted()) {
594 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1 + length,
595 yo_ + 2, col, Painter::line_solid, 3);
597 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1,
598 yo_ + 2, col, Painter::line_solid, 3);
606 case END_LABEL_FILLED_BOX: {
607 FontInfo const font = labelFont();
608 FontMetrics const & fm = theFontMetrics(font);
609 int const size = int(0.75 * fm.maxAscent());
610 int const y = yo_ - size;
611 int const max_row_width = width_ - size - Inset::TEXT_TO_INSET_OFFSET;
612 int x = is_rtl ? nestMargin() + changebarMargin()
613 : max_row_width - text_metrics_.rightMargin(pm_);
615 // If needed, move the box a bit to avoid overlapping with text.
616 int const rem = max_row_width - row_.width();
618 x += is_rtl ? rem : - rem;
620 if (endlabel == END_LABEL_BOX)
621 pi_.pain.rectangle(x, y, size, size, Color_eolmarker);
623 pi_.pain.fillRectangle(x, y, size, size, Color_eolmarker);
627 case END_LABEL_STATIC: {
628 FontInfo const font = labelFont();
629 FontMetrics const & fm = theFontMetrics(font);
630 docstring const & str = par_.layout().endlabelstring();
631 double const x = is_rtl ? x_ - fm.width(str) : x_;
632 pi_.pain.text(int(x), yo_, str, font);
636 case END_LABEL_NO_LABEL:
637 if (lyxrc.paragraph_markers && size_type(pit_ + 1) < pars_.size()) {
638 docstring const s = docstring(1, char_type(0x00B6));
639 FontInfo f = FontInfo(text_.layoutFont(pit_));
640 f.setColor(Color_paragraphmarker);
641 pi_.pain.text(int(x_), yo_, s, f);
642 x_ += theFontMetrics(f).width(s);
649 void RowPainter::paintOnlyInsets()
651 CoordCache const & cache = pi_.base.bv->coordCache();
652 pos_type const end = row_.endpos();
653 for (pos_type pos = row_.pos(); pos != end; ++pos) {
654 // If outer row has changed, nested insets are repaint completely.
655 Inset const * inset = par_.getInset(pos);
656 bool const nested_inset = inset &&
657 ((inset->asInsetMath() &&
658 !inset->asInsetMath()->asMacroTemplate())
659 || inset->asInsetText()
660 || inset->asInsetTabular());
663 if (x_ > pi_.base.bv->workWidth()
664 || !cache.getInsets().has(inset))
666 x_ = cache.getInsets().x(inset);
668 bool const pi_selected = pi_.selected;
669 Cursor const & cur = pi_.base.bv->cursor();
670 if (cur.selection() && cur.text() == &text_
671 && cur.normalAnchor().text() == &text_)
672 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
673 paintInset(inset, pos);
674 pi_.selected = pi_selected;
679 void RowPainter::paintText()
681 //LYXERR0("-------------------------------------------------------");
682 pos_type const end = row_.endpos();
683 // Spaces at logical line breaks in bidi text must be skipped during
684 // painting. However, they may appear visually in the middle
685 // of a row; they must be skipped, wherever they are...
686 // * logically "abc_[HEBREW_\nHEBREW]"
687 // * visually "abc_[_WERBEH\nWERBEH]"
688 pos_type skipped_sep_vpos = -1;
689 pos_type body_pos = par_.beginOfBody();
691 (body_pos > end || !par_.isLineSeparator(body_pos - 1))) {
695 Layout const & layout = par_.layout();
697 Change change_running;
698 int change_last_x = 0;
700 // check for possible inline completion
701 DocIterator const & inlineCompletionPos = pi_.base.bv->inlineCompletionPos();
702 pos_type inlineCompletionVPos = -1;
703 if (inlineCompletionPos.inTexted()
704 && inlineCompletionPos.text() == &text_
705 && inlineCompletionPos.pit() == pit_
706 && inlineCompletionPos.pos() - 1 >= row_.pos()
707 && inlineCompletionPos.pos() - 1 < row_.endpos()) {
708 // draw logically behind the previous character
709 inlineCompletionVPos = bidi_.log2vis(inlineCompletionPos.pos() - 1);
712 // Use font span to speed things up, see below
716 // If the last logical character is a separator, don't paint it, unless
717 // it's in the last row of a paragraph; see skipped_sep_vpos declaration
718 if (end > 0 && end < par_.size() && par_.isSeparator(end - 1))
719 skipped_sep_vpos = bidi_.log2vis(end - 1);
721 for (pos_type vpos = row_.pos(); vpos < end; ) {
722 if (x_ > pi_.base.bv->workWidth())
725 // Skip the separator at the logical end of the row
726 if (vpos == skipped_sep_vpos) {
731 pos_type const pos = bidi_.vis2log(vpos);
733 if (pos >= par_.size()) {
738 // Use font span to speed things up, see above
739 if (!font_span.contains(pos)) {
740 font_span = par_.fontSpan(pos);
741 font = text_metrics_.displayFont(pit_, pos);
743 // split font span if inline completion is inside
744 if (inlineCompletionVPos != -1
745 && font_span.contains(inlineCompletionPos.pos()))
746 font_span.last = inlineCompletionPos.pos();
749 // Note that this value will only be used in
750 // situations where no ligature of composition of
751 // characters is needed. (see comments in uses of width_pos).
752 const int width_pos = pm_.singleWidth(pos, font);
754 Change const & change = par_.lookupChange(pos);
755 if (change.changed() && !change_running.changed()) {
756 change_running = change;
757 change_last_x = int(x_);
760 Inset const * inset = par_.getInset(pos);
761 bool const highly_editable_inset = inset
762 && inset->editable();
764 // If we reach the end of a change or if the author changes, paint it.
765 // We also don't paint across things like tables
766 if (change_running.changed() && (highly_editable_inset
767 || !change.changed() || !change_running.isSimilarTo(change))) {
768 // Calculate 1/3 height of the buffer's default font
769 FontMetrics const & fm
770 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
771 float const y_bar = change_running.deleted() ?
772 yo_ - fm.maxAscent() / 3 : yo_ + 2 * solid_line_offset_ + solid_line_thickness_;
773 pi_.pain.line(change_last_x, int(y_bar), int(x_), int(y_bar),
774 change_running.color(), Painter::line_solid, solid_line_thickness_);
776 // Change might continue with a different author or type
777 if (change.changed() && !highly_editable_inset) {
778 change_running = change;
779 change_last_x = int(x_);
781 change_running.setUnchanged();
784 if (body_pos > 0 && pos == body_pos - 1) {
785 int const lwidth = theFontMetrics(labelFont())
786 .width(layout.labelsep);
788 // width_pos is either the width of a space or an inset
789 x_ += row_.label_hfill + lwidth - width_pos;
792 // Is the inline completion in front of character?
793 if (font.isRightToLeft() && vpos == inlineCompletionVPos)
794 paintInlineCompletion(font);
796 if (par_.isSeparator(pos)) {
797 Font const orig_font = text_metrics_.displayFont(pit_, pos);
798 double const orig_x = x_;
799 // width_pos is the width of a space
800 double separator_width = width_pos;
802 separator_width += row_.separator;
803 paintSeparator(orig_x, separator_width, orig_font.fontInfo());
804 paintForeignMark(orig_x, orig_font.language());
808 // If outer row has changed, nested insets are repaint completely.
809 pi_.base.bv->coordCache().insets().add(inset, int(x_), yo_);
811 bool const pi_selected = pi_.selected;
812 Cursor const & cur = pi_.base.bv->cursor();
813 if (cur.selection() && cur.text() == &text_
814 && cur.normalAnchor().text() == &text_)
815 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
816 paintInset(inset, pos);
817 pi_.selected = pi_selected;
821 // paint as many characters as possible.
822 paintFromPos(vpos, change_running.changed());
825 // Is the inline completion after character?
826 if (!font.isRightToLeft() && vpos - 1 == inlineCompletionVPos)
827 paintInlineCompletion(font);
830 // if we reach the end of a struck out range, paint it
831 if (change_running.changed()) {
832 FontMetrics const & fm
833 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
834 float const y_bar = change_running.deleted() ?
835 yo_ - fm.maxAscent() / 3 : yo_ + 2 * solid_line_offset_ + solid_line_thickness_;
836 pi_.pain.line(change_last_x, int(y_bar), int(x_), int(y_bar),
837 change_running.color(), Painter::line_solid, solid_line_thickness_);
838 change_running.setUnchanged();
843 void RowPainter::paintSelection()
845 if (!row_.selection())
847 Cursor const & curs = pi_.base.bv->cursor();
848 DocIterator beg = curs.selectionBegin();
850 beg.pos() = row_.sel_beg;
852 DocIterator end = curs.selectionEnd();
854 end.pos() = row_.sel_end;
856 bool const begin_boundary = beg.pos() >= row_.endpos();
857 bool const end_boundary = row_.sel_end == row_.endpos();
859 DocIterator cur = beg;
860 cur.boundary(begin_boundary);
861 int x1 = text_metrics_.cursorX(beg.top(), begin_boundary);
862 int x2 = text_metrics_.cursorX(end.top(), end_boundary);
863 int const y1 = yo_ - row_.ascent();
864 int const y2 = y1 + row_.height();
866 int const rm = text_.isMainText() ? pi_.base.bv->rightMargin() : 0;
867 int const lm = text_.isMainText() ? pi_.base.bv->leftMargin() : 0;
870 if (row_.begin_margin_sel) {
871 if (text_.isRTL(beg.paragraph())) {
872 pi_.pain.fillRectangle(int(xo_ + x1), y1,
873 text_metrics_.width() - rm - x1, y2 - y1, Color_selection);
875 pi_.pain.fillRectangle(int(xo_ + lm), y1, x1 - lm, y2 - y1,
880 if (row_.end_margin_sel) {
881 if (text_.isRTL(beg.paragraph())) {
882 pi_.pain.fillRectangle(int(xo_ + lm), y1, x2 - lm, y2 - y1,
885 pi_.pain.fillRectangle(int(xo_ + x2), y1, text_metrics_.width() - rm - x2,
886 y2 - y1, Color_selection);
890 // if we are on a boundary from the beginning, it's probably
891 // a RTL boundary and we jump to the other side directly as this
892 // segement is 0-size and confuses the logic below
896 // go through row and draw from RTL boundary to RTL boundary
898 bool draw_now = false;
900 // simplified cursorForward code below which does not
901 // descend into insets and which does not go into the
902 // next line. Compare the logic with the original cursorForward
904 // if left of boundary -> just jump to right side, but
905 // for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
906 if (cur.boundary()) {
908 } else if (text_metrics_.isRTLBoundary(cur.pit(), cur.pos() + 1)) {
909 // in front of RTL boundary -> Stay on this side of the boundary
910 // because: ab|cDDEEFFghi -> abc|DDEEFFghi
919 if (cur.pos() == row_.endpos())
924 // the previous segment was just drawn, now the next starts
925 x1 = text_metrics_.cursorX(cur.top(), cur.boundary());
928 if (!(cur < end) || draw_now) {
929 x2 = text_metrics_.cursorX(cur.top(), cur.boundary());
930 pi_.pain.fillRectangle(int(xo_ + min(x1, x2)), y1, abs(x2 - x1),
931 y2 - y1, Color_selection);
933 // reset x1, so it is set again next round (which will be on the
934 // right side of a boundary or at the selection end)
941 void RowPainter::paintInlineCompletion(Font const & font)
943 docstring completion = pi_.base.bv->inlineCompletion();
944 FontInfo f = font.fontInfo();
945 bool rtl = font.isRightToLeft();
947 // draw the unique and the non-unique completion part
948 // Note: this is not time-critical as it is
949 // only done once per screen.
950 size_t uniqueTo = pi_.base.bv->inlineCompletionUniqueChars();
951 docstring s1 = completion.substr(0, uniqueTo);
952 docstring s2 = completion.substr(uniqueTo);
953 ColorCode c1 = Color_inlinecompletion;
954 ColorCode c2 = Color_nonunique_inlinecompletion;
964 pi_.pain.text(int(x_), yo_, s1, f);
965 x_ += theFontMetrics(font).width(s1);
970 pi_.pain.text(int(x_), yo_, s2, f);
971 x_ += theFontMetrics(font).width(s2);