X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FText2.cpp;h=24a3317cf7cafcf14c7438dcd739b22574ea3d8b;hb=e1a685fcb1da65211e9eecd7ed3ac9daf7cd5f22;hp=bb1577a0801d35d01c1ed3952241f929cc212bee;hpb=9b4a26a252b2da164fcd6aa84feed0a738b16c10;p=lyx.git diff --git a/src/Text2.cpp b/src/Text2.cpp index bb1577a080..24a3317cf7 100644 --- a/src/Text2.cpp +++ b/src/Text2.cpp @@ -4,16 +4,16 @@ * Licence details can be found in the file COPYING. * * \author Asger Alstrup - * \author Lars Gullik Bjønnes + * \author Lars Gullik Bjønnes * \author Alfredo Braunstein * \author Jean-Marc Lasgouttes * \author Angus Leeming * \author John Levon - * \author André Pönitz + * \author André Pönitz * \author Allan Rae * \author Stefan Schimanski * \author Dekel Tsur - * \author Jürgen Vigna + * \author Jürgen Vigna * * Full author contact details are available in file CREDITS. */ @@ -33,20 +33,18 @@ #include "CutAndPaste.h" #include "DispatchResult.h" #include "ErrorList.h" -#include "FuncRequest.h" #include "Language.h" #include "Layout.h" #include "Lexer.h" -#include "LyXFunc.h" +#include "LyX.h" #include "LyXRC.h" #include "Paragraph.h" -#include "paragraph_funcs.h" #include "ParagraphParameters.h" #include "TextClass.h" #include "TextMetrics.h" #include "VSpace.h" -#include "insets/InsetEnvironment.h" +#include "insets/InsetCollapsable.h" #include "mathed/InsetMathHull.h" @@ -63,18 +61,14 @@ using namespace std; namespace lyx { -Text::Text() - : autoBreakRows_(false) -{} - - -bool Text::isMainText(Buffer const & buffer) const +bool Text::isMainText() const { - return &buffer.text() == this; + return &owner_->buffer().text() == this; } -FontInfo Text::layoutFont(Buffer const & buffer, pit_type const pit) const +// Note that this is supposed to return a fully realized font. +FontInfo Text::layoutFont(pit_type const pit) const { Layout const & layout = pars_[pit].layout(); @@ -82,21 +76,34 @@ FontInfo Text::layoutFont(Buffer const & buffer, pit_type const pit) const FontInfo lf = layout.resfont; // In case the default family has been customized if (layout.font.family() == INHERIT_FAMILY) - lf.setFamily(buffer.params().getFont().fontInfo().family()); - return lf; + lf.setFamily(owner_->buffer().params().getFont().fontInfo().family()); + // FIXME + // It ought to be possible here just to use Inset::getLayout() and skip + // the asInsetCollapsable() bit. Unfortunatley, that doesn't work right + // now, because Inset::getLayout() will return a default-constructed + // InsetLayout, and that e.g. sets the foreground color to red. So we + // need to do some work to make that possible. + InsetCollapsable const * icp = owner_->asInsetCollapsable(); + if (!icp) + return lf; + FontInfo icf = icp->getLayout().font(); + icf.realize(lf); + return icf; } FontInfo font = layout.font; // Realize with the fonts of lesser depth. - //font.realize(outerFont(pit, paragraphs())); - font.realize(buffer.params().getFont().fontInfo()); + //font.realize(outerFont(pit)); + font.realize(owner_->buffer().params().getFont().fontInfo()); return font; } -FontInfo Text::labelFont(Buffer const & buffer, Paragraph const & par) const +// Note that this is supposed to return a fully realized font. +FontInfo Text::labelFont(Paragraph const & par) const { + Buffer const & buffer = owner_->buffer(); Layout const & layout = par.layout(); if (!par.getDepth()) { @@ -115,9 +122,10 @@ FontInfo Text::labelFont(Buffer const & buffer, Paragraph const & par) const } -void Text::setCharFont(Buffer const & buffer, pit_type pit, +void Text::setCharFont(pit_type pit, pos_type pos, Font const & fnt, Font const & display_font) { + Buffer const & buffer = owner_->buffer(); Font font = fnt; Layout const & layout = pars_[pit].layout(); @@ -135,7 +143,7 @@ void Text::setCharFont(Buffer const & buffer, pit_type pit, while (!layoutfont.resolved() && tp != pit_type(paragraphs().size()) && pars_[tp].getDepth()) { - tp = outerHook(tp, paragraphs()); + tp = outerHook(tp); if (tp != pit_type(paragraphs().size())) layoutfont.realize(pars_[tp].layout().font); } @@ -143,7 +151,7 @@ void Text::setCharFont(Buffer const & buffer, pit_type pit, // Inside inset, apply the inset's font attributes if any // (charstyle!) - if (!isMainText(buffer)) + if (!isMainText()) layoutfont.realize(display_font.fontInfo()); layoutfont.realize(buffer.params().getFont().fontInfo()); @@ -178,7 +186,7 @@ void Text::setInsetFont(BufferView const & bv, pit_type pit, // return past-the-last paragraph influenced by a layout change on pit pit_type Text::undoSpan(pit_type pit) { - pit_type end = paragraphs().size(); + pit_type const end = paragraphs().size(); pit_type nextpit = pit + 1; if (nextpit == end) return nextpit; @@ -194,20 +202,20 @@ pit_type Text::undoSpan(pit_type pit) } -void Text::setLayout(Buffer const & buffer, pit_type start, pit_type end, - docstring const & layout) +void Text::setLayout(pit_type start, pit_type end, + docstring const & layout) { LASSERT(start != end, /**/); - BufferParams const & bufparams = buffer.params(); - Layout const & lyxlayout = bufparams.documentClass()[layout]; + Buffer const & buffer = owner_->buffer(); + BufferParams const & bp = buffer.params(); + Layout const & lyxlayout = bp.documentClass()[layout]; for (pit_type pit = start; pit != end; ++pit) { Paragraph & par = pars_[pit]; par.applyLayout(lyxlayout); if (lyxlayout.margintype == MARGIN_MANUAL) - par.setLabelWidthString(par.translateIfPossible( - lyxlayout.labelstring(), buffer.params())); + par.setLabelWidthString(par.expandLabel(lyxlayout, bp)); } } @@ -216,29 +224,13 @@ void Text::setLayout(Buffer const & buffer, pit_type start, pit_type end, void Text::setLayout(Cursor & cur, docstring const & layout) { LASSERT(this == cur.text(), /**/); - // special handling of new environment insets - BufferView & bv = cur.bv(); - BufferParams const & params = bv.buffer().params(); - Layout const & lyxlayout = params.documentClass()[layout]; - if (lyxlayout.is_environment) { - // move everything in a new environment inset - LYXERR(Debug::DEBUG, "setting layout " << to_utf8(layout)); - lyx::dispatch(FuncRequest(LFUN_LINE_BEGIN)); - lyx::dispatch(FuncRequest(LFUN_LINE_END_SELECT)); - lyx::dispatch(FuncRequest(LFUN_CUT)); - Inset * inset = new InsetEnvironment(bv.buffer(), layout); - insertInset(cur, inset); - //inset->edit(cur, true); - //lyx::dispatch(FuncRequest(LFUN_PASTE)); - return; - } pit_type start = cur.selBegin().pit(); pit_type end = cur.selEnd().pit() + 1; pit_type undopit = undoSpan(end - 1); recUndo(cur, start, undopit - 1); - setLayout(cur.buffer(), start, end, layout); - updateLabels(cur.buffer()); + setLayout(start, end, layout); + cur.forceBufferUpdate(); } @@ -297,7 +289,7 @@ void Text::changeDepth(Cursor & cur, DEPTH_CHANGE type) } // this handles the counter labels, and also fixes up // depth values for follow-on (child) paragraphs - updateLabels(cur.buffer()); + cur.forceBufferUpdate(); } @@ -309,13 +301,13 @@ void Text::setFont(Cursor & cur, Font const & font, bool toggleall) FontInfo layoutfont; pit_type pit = cur.pit(); if (cur.pos() < pars_[pit].beginOfBody()) - layoutfont = labelFont(cur.buffer(), pars_[pit]); + layoutfont = labelFont(pars_[pit]); else - layoutfont = layoutFont(cur.buffer(), pit); + layoutfont = layoutFont(pit); // Update current font cur.real_current_font.update(font, - cur.buffer().params().language, + cur.buffer()->params().language, toggleall); // Reduce to implicit settings @@ -363,7 +355,10 @@ void Text::setFont(BufferView const & bv, CursorSlice const & begin, TextMetrics const & tm = bv.textMetrics(this); Font f = tm.displayFont(pit, pos); f.update(font, language, toggleall); - setCharFont(buffer, pit, pos, f, tm.font_); + setCharFont(pit, pos, f, tm.font_); + // font change may change language... + // spell checker has to know that + pars_[pit].requestSpellCheck(pos); } } @@ -386,8 +381,7 @@ void Text::toggleFree(Cursor & cur, Font const & font, bool toggleall) { LASSERT(this == cur.text(), /**/); // If the mask is completely neutral, tell user - if (font.fontInfo() == ignore_font && - (font.language() == 0 || font.language() == ignore_language)) { + if (font.fontInfo() == ignore_font && font.language() == ignore_language) { // Could only happen with user style cur.message(_("No font change defined.")); return; @@ -396,8 +390,8 @@ void Text::toggleFree(Cursor & cur, Font const & font, bool toggleall) // Try implicit word selection // If there is a change in the language the implicit word selection // is disabled. - CursorSlice resetCursor = cur.top(); - bool implicitSelection = + CursorSlice const resetCursor = cur.top(); + bool const implicitSelection = font.language() == ignore_language && font.fontInfo().number() == FONT_IGNORE && selectWordWhenUnderCursor(cur, WHOLE_WORD_STRICT); @@ -439,6 +433,32 @@ docstring Text::getStringToIndex(Cursor const & cur) } +void Text::setLabelWidthStringToSequence(pit_type const par_offset, + docstring const & s) +{ + pit_type offset = par_offset; + // Find first of same layout in sequence + while (!isFirstInSequence(offset)) { + offset = depthHook(offset, pars_[offset].getDepth()); + } + + // now apply label width string to every par + // in sequence + pit_type const end = pars_.size(); + depth_type const depth = pars_[offset].getDepth(); + Layout const & layout = pars_[offset].layout(); + for (pit_type pit = offset; pit != end; ++pit) { + while (pars_[pit].getDepth() > depth) + ++pit; + if (pars_[pit].getDepth() < depth) + return; + if (pars_[pit].layout() != layout) + return; + pars_[pit].setLabelWidthString(s); + } +} + + void Text::setParagraphs(Cursor & cur, docstring arg, bool merge) { LASSERT(cur.text(), /**/); @@ -448,12 +468,22 @@ void Text::setParagraphs(Cursor & cur, docstring arg, bool merge) //FIXME UNICODE string const argument = to_utf8(arg); + depth_type priordepth = -1; + Layout priorlayout; for (pit_type pit = cur.selBegin().pit(), end = cur.selEnd().pit(); pit <= end; ++pit) { Paragraph & par = pars_[pit]; ParagraphParameters params = par.params(); params.read(argument, merge); + // Changes to label width string apply to all paragraphs + // with same layout in a sequence. + // Do this only once for a selected range of paragraphs + // of the same layout and depth. + if (par.getDepth() != priordepth || par.layout() != priorlayout) + setLabelWidthStringToSequence(pit, params.labelWidthString()); par.params().apply(params, par.layout()); + priordepth = par.getDepth(); + priorlayout = par.layout(); } } @@ -468,11 +498,22 @@ void Text::setParagraphs(Cursor & cur, ParagraphParameters const & p) pit_type undopit = undoSpan(cur.selEnd().pit()); recUndo(cur, cur.selBegin().pit(), undopit - 1); + depth_type priordepth = -1; + Layout priorlayout; for (pit_type pit = cur.selBegin().pit(), end = cur.selEnd().pit(); pit <= end; ++pit) { Paragraph & par = pars_[pit]; + // Changes to label width string apply to all paragraphs + // with same layout in a sequence. + // Do this only once for a selected range of paragraphs + // of the same layout and depth. + if (par.getDepth() != priordepth || par.layout() != priorlayout) + setLabelWidthStringToSequence(pit, + par.params().labelWidthString()); par.params().apply(p, par.layout()); - } + priordepth = par.getDepth(); + priorlayout = par.layout(); + } } @@ -482,46 +523,11 @@ void Text::insertInset(Cursor & cur, Inset * inset) LASSERT(this == cur.text(), /**/); LASSERT(inset, /**/); cur.paragraph().insertInset(cur.pos(), inset, cur.current_font, - Change(cur.buffer().params().trackChanges + Change(cur.buffer()->params().trackChanges ? Change::INSERTED : Change::UNCHANGED)); } -// needed to insert the selection -void Text::insertStringAsLines(Cursor & cur, docstring const & str) -{ - cur.buffer().insertStringAsLines(pars_, cur.pit(), cur.pos(), - cur.current_font, str, autoBreakRows_); -} - - -// turn double CR to single CR, others are converted into one -// blank. Then insertStringAsLines is called -void Text::insertStringAsParagraphs(Cursor & cur, docstring const & str) -{ - docstring linestr = str; - bool newline_inserted = false; - - for (string::size_type i = 0, siz = linestr.size(); i < siz; ++i) { - if (linestr[i] == '\n') { - if (newline_inserted) { - // we know that \r will be ignored by - // insertStringAsLines. Of course, it is a dirty - // trick, but it works... - linestr[i - 1] = '\r'; - linestr[i] = '\n'; - } else { - linestr[i] = ' '; - newline_inserted = true; - } - } else if (isPrintable(linestr[i])) { - newline_inserted = false; - } - } - insertStringAsLines(cur, linestr); -} - - bool Text::setCursor(Cursor & cur, pit_type par, pos_type pos, bool setfont, bool boundary) { @@ -544,12 +550,12 @@ void Text::setCursor(CursorSlice & cur, pit_type par, pos_type pos) // None of these should happen, but we're scaredy-cats if (pos < 0) { - lyxerr << "dont like -1" << endl; + lyxerr << "don't like -1" << endl; LASSERT(false, /**/); } if (pos > para.size()) { - lyxerr << "dont like 1, pos: " << pos + lyxerr << "don't like 1, pos: " << pos << " size: " << para.size() << " par: " << par << endl; LASSERT(false, /**/); @@ -577,7 +583,7 @@ bool Text::checkAndActivateInset(Cursor & cur, bool front) if (!front && cur.pos() == 0) return false; Inset * inset = front ? cur.nextInset() : cur.prevInset(); - if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE) + if (!inset || !inset->editable()) return false; /* * Apparently, when entering an inset we are expected to be positioned @@ -603,7 +609,7 @@ bool Text::checkAndActivateInsetVisual(Cursor & cur, bool movingForward, bool mo return false; Paragraph & par = cur.paragraph(); Inset * inset = par.isInset(cur.pos()) ? par.getInset(cur.pos()) : 0; - if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE) + if (!inset || !inset->editable()) return false; inset->edit(cur, movingForward, movingLeft ? Inset::ENTRY_DIRECTION_RIGHT : Inset::ENTRY_DIRECTION_LEFT); @@ -614,7 +620,7 @@ bool Text::checkAndActivateInsetVisual(Cursor & cur, bool movingForward, bool mo bool Text::cursorBackward(Cursor & cur) { // Tell BufferView to test for FitCursor in any case! - cur.updateFlags(Update::FitCursor); + cur.screenUpdateFlags(Update::FitCursor); // not at paragraph start? if (cur.pos() > 0) { @@ -655,188 +661,34 @@ bool Text::cursorBackward(Cursor & cur) bool Text::cursorVisLeft(Cursor & cur, bool skip_inset) { - pit_type new_pit = cur.pit(); // the paragraph to which we will move - pos_type new_pos; // the position we will move to - bool new_boundary; // will we move to a boundary position? - pos_type left_pos; // position visually left of current cursor - pos_type right_pos; // position visually right of current cursor - bool new_pos_is_RTL; // is new position we're moving to RTL? - - cur.getSurroundingPos(left_pos, right_pos); - - LYXERR(Debug::RTL, left_pos <<"|"<< right_pos << " (pos: "<= cur.pos(), true)) { - LYXERR(Debug::RTL, "entering inset at: " << temp_cur.pos()); - cur = temp_cur; // set the real cursor to new position inside inset! + temp_cur.posVisLeft(skip_inset); + if (temp_cur.depth() > cur.depth()) { + cur = temp_cur; return false; } - - // Are we already at leftmost pos in row? - if (cur.text()->empty() || left_pos == -1) { - - Cursor new_cur = cur; - if (!new_cur.posVisToNewRow(true)) { - LYXERR(Debug::RTL, "not moving!"); - return false; - } - - // we actually move the cursor at the end of this function, for now - // just keep track of the new position... - new_pit = new_cur.pit(); - new_pos = new_cur.pos(); - new_boundary = new_cur.boundary(); - - LYXERR(Debug::RTL, "left edge, moving: " << int(new_pit) << "," - << int(new_pos) << "," << (new_boundary ? 1 : 0)); - - } - // normal movement to the left - else { - // Recall, if the cursor is at position 'x', that means *before* - // the character at position 'x'. In RTL, "before" means "to the - // right of", in LTR, "to the left of". So currently our situation - // is this: the position to our left is 'left_pos' (i.e., we're - // currently to the right of 'left_pos'). In order to move to the - // left, it depends whether or not the character at 'left_pos' is RTL. - new_pos_is_RTL = cur.paragraph().getFontSettings( - cur.bv().buffer().params(), left_pos).isVisibleRightToLeft(); - // If the character at 'left_pos' *is* RTL, then in order to move to - // the left of it, we need to be *after* 'left_pos', i.e., move to - // position 'left_pos' + 1. - if (new_pos_is_RTL) { - new_pos = left_pos + 1; - // set the boundary to true in two situations: - if ( - // 1. if new_pos is now lastpos (which means that we're moving left - // to the end of an RTL chunk which is at the end of an LTR - // paragraph); - new_pos == cur.lastpos() - // 2. if the position *after* left_pos is not RTL (we want to be - // *after* left_pos, not before left_pos + 1!) - || !cur.paragraph().getFontSettings(cur.bv().buffer().params(), - new_pos).isVisibleRightToLeft() - ) - new_boundary = true; - else // set the boundary to false - new_boundary = false; - } - // Otherwise (if the character at position 'left_pos' is LTR), then - // moving to the left of it is as easy as setting the new position - // to 'left_pos'. - else { - new_pos = left_pos; - new_boundary = false; - } - - } - - LYXERR(Debug::RTL, "moving to: " << new_pos - << (new_boundary ? " (boundary)" : "")); - - return setCursor(cur, new_pit, new_pos, true, new_boundary); + return setCursor(cur, temp_cur.pit(), temp_cur.pos(), + true, temp_cur.boundary()); } bool Text::cursorVisRight(Cursor & cur, bool skip_inset) { - pit_type new_pit = cur.pit(); // the paragraph to which we will move - pos_type new_pos; // the position we will move to - bool new_boundary; // will we move to a boundary position? - pos_type left_pos; // position visually left of current cursor - pos_type right_pos; // position visually right of current cursor - bool new_pos_is_RTL; // is new position we're moving to RTL? - - cur.getSurroundingPos(left_pos, right_pos); - - LYXERR(Debug::RTL, left_pos <<"|"<< right_pos << " (pos: "<= cur.pos(), false)) { - LYXERR(Debug::RTL, "entering inset at: " << temp_cur.pos()); - cur = temp_cur; // set the real cursor to new position inside inset! + temp_cur.posVisRight(skip_inset); + if (temp_cur.depth() > cur.depth()) { + cur = temp_cur; return false; } - - // Are we already at rightmost pos in row? - if (cur.text()->empty() || right_pos == -1) { - - Cursor new_cur = cur; - if (!new_cur.posVisToNewRow(false)) { - LYXERR(Debug::RTL, "not moving!"); - return false; - } - - // we actually move the cursor at the end of this function, for now - // just keep track of the new position... - new_pit = new_cur.pit(); - new_pos = new_cur.pos(); - new_boundary = new_cur.boundary(); - - LYXERR(Debug::RTL, "right edge, moving: " << int(new_pit) << "," - << int(new_pos) << "," << (new_boundary ? 1 : 0)); - - } - // normal movement to the right - else { - // Recall, if the cursor is at position 'x', that means *before* - // the character at position 'x'. In RTL, "before" means "to the - // right of", in LTR, "to the left of". So currently our situation - // is this: the position to our right is 'right_pos' (i.e., we're - // currently to the left of 'right_pos'). In order to move to the - // right, it depends whether or not the character at 'right_pos' is RTL. - new_pos_is_RTL = cur.paragraph().getFontSettings( - cur.bv().buffer().params(), right_pos).isVisibleRightToLeft(); - // If the character at 'right_pos' *is* LTR, then in order to move to - // the right of it, we need to be *after* 'right_pos', i.e., move to - // position 'right_pos' + 1. - if (!new_pos_is_RTL) { - new_pos = right_pos + 1; - // set the boundary to true in two situations: - if ( - // 1. if new_pos is now lastpos (which means that we're moving - // right to the end of an LTR chunk which is at the end of an - // RTL paragraph); - new_pos == cur.lastpos() - // 2. if the position *after* right_pos is RTL (we want to be - // *after* right_pos, not before right_pos + 1!) - || cur.paragraph().getFontSettings(cur.bv().buffer().params(), - new_pos).isVisibleRightToLeft() - ) - new_boundary = true; - else // set the boundary to false - new_boundary = false; - } - // Otherwise (if the character at position 'right_pos' is RTL), then - // moving to the right of it is as easy as setting the new position - // to 'right_pos'. - else { - new_pos = right_pos; - new_boundary = false; - } - - } - - LYXERR(Debug::RTL, "moving to: " << new_pos - << (new_boundary ? " (boundary)" : "")); - - return setCursor(cur, new_pit, new_pos, true, new_boundary); + return setCursor(cur, temp_cur.pit(), temp_cur.pos(), + true, temp_cur.boundary()); } bool Text::cursorForward(Cursor & cur) { // Tell BufferView to test for FitCursor in any case! - cur.updateFlags(Update::FitCursor); + cur.screenUpdateFlags(Update::FitCursor); // not at paragraph end? if (cur.pos() != cur.lastpos()) { @@ -960,10 +812,18 @@ bool Text::deleteEmptyParagraphMechanism(Cursor & cur, // delete the LineSeparator. // MISSING - bool const same_inset = &old.inset() == &cur.inset(); - bool const same_par = same_inset && old.pit() == cur.pit(); - bool const same_par_pos = same_par && old.pos() == cur.pos(); + // Find a common inset and the corresponding depth. + size_t depth = 0; + for (; depth < cur.depth(); ++depth) + if (&old.inset() == &cur[depth].inset()) + break; + // Whether a common inset is found and whether the cursor is still in + // the same paragraph (possibly nested). + bool const same_par = depth < cur.depth() && old.pit() == cur[depth].pit(); + bool const same_par_pos = depth == cur.depth() - 1 && same_par + && old.pos() == cur[depth].pos(); + // If the chars around the old cursor were spaces, delete one of them. if (!same_par_pos) { // Only if the cursor has really moved. @@ -973,14 +833,14 @@ bool Text::deleteEmptyParagraphMechanism(Cursor & cur, && oldpar.isLineSeparator(old.pos() - 1) && !oldpar.isDeleted(old.pos() - 1) && !oldpar.isDeleted(old.pos())) { - oldpar.eraseChar(old.pos() - 1, cur.buffer().params().trackChanges); + oldpar.eraseChar(old.pos() - 1, cur.buffer()->params().trackChanges); // FIXME: This will not work anymore when we have multiple views of the same buffer // In this case, we will have to correct also the cursors held by // other bufferviews. It will probably be easier to do that in a more // automated way in CursorSlice code. (JMarc 26/09/2001) // correct all cursor parts if (same_par) { - fixCursorAfterDelete(cur.top(), old.top()); + fixCursorAfterDelete(cur[depth], old.top()); need_anchor_change = true; } return true; @@ -1028,7 +888,7 @@ bool Text::deleteEmptyParagraphMechanism(Cursor & cur, return true; } - if (oldpar.stripLeadingSpaces(cur.buffer().params().trackChanges)) { + if (oldpar.stripLeadingSpaces(cur.buffer()->params().trackChanges)) { need_anchor_change = true; // We return true here because the Paragraph contents changed and // we need a redraw before further action is processed. @@ -1059,8 +919,9 @@ void Text::deleteEmptyParagraphMechanism(pit_type first, pit_type last, bool tra } } - // don't delete anything if this is the only remaining paragraph within the given range - // note: Text::acceptOrRejectChanges() sets the cursor to 'first' after calling DEPM + // don't delete anything if this is the only remaining paragraph + // within the given range. Note: Text::acceptOrRejectChanges() + // sets the cursor to 'first' after calling DEPM if (first == last) continue;