-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995-2001 The LyX Team.
+/*
+ * \file CutAndPaste.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * ====================================================== */
+ * \author Jürgen Vigna
+ * \author Lars Gullik Bjønnes
+ * \author Alfredo Braunstein
+ *
+ * Full author contact details are available in file CREDITS.
+ */
#include <config.h>
#include "CutAndPaste.h"
-#include "BufferView.h"
+
#include "buffer.h"
-#include "paragraph.h"
-#include "insets/inseterror.h"
-#include "lyx_gui_misc.h"
-#include "lyxcursor.h"
+#include "buffer_funcs.h"
+#include "bufferparams.h"
+#include "BufferView.h"
+#include "cursor.h"
+#include "errorlist.h"
#include "gettext.h"
+#include "lyxtext.h"
+#include "lyxtextclasslist.h"
+#include "paragraph.h"
+#include "paragraph_funcs.h"
+#include "ParagraphParameters.h"
+#include "ParagraphList_fwd.h"
+#include "pariterator.h"
+#include "undo.h"
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include "insets/insettabular.h"
+
+#include "support/lstrings.h"
+
+#include <boost/tuple/tuple.hpp>
-using std::pair;
using lyx::pos_type;
+using lyx::par_type;
+using lyx::textclass_type;
+
+using lyx::support::bformat;
+
+using std::for_each;
+using std::make_pair;
+using std::pair;
+using std::vector;
+using std::string;
-extern BufferView * current_view;
-
-// Jürgen, note that this means that you cannot currently have a list
-// of selections cut/copied. So IMHO later we should have a
-// list/vector/deque that we could store
-// struct selection_item {
-// Paragraph * buf;
-// LyXTextClassList::size_type textclass;
-// };
-// in and some method of choosing beween them (based on the first few chars
-// in the selection probably.) This would be a nice feature and quite
-// easy to implement. (Lgb)
-//
-// Sure but I just cleaned up this code for now with the same functionality
-// as before. I also want to add a XClipboard function so that we can copy
-// text from LyX to some other X-application in the form of ASCII or in the
-// form of LaTeX (or Docbook depending on the document-class!). Think how nice
-// it could be to select a math-inset do a "Copy to X-Clipboard as LaTeX" and
-// then do a middle mouse button click in the application you want and have
-// the whole formula there in LaTeX-Code. (Jug)
namespace {
-Paragraph * buf = 0;
-LyXTextClassList::size_type textclass = 0;
+typedef std::pair<lyx::par_type, int> PitPosPair;
-// for now here this should be in another Cut&Paste Class!
-// Jürgen, I moved this out of CutAndPaste since it does not operate on any
-// member of the CutAndPaste class and in addition it was private.
-// Perhaps it even should take a parameter? (Lgb)
-void DeleteBuffer()
-{
- if (!buf)
- return;
-
- Paragraph * tmppar;
-
- while (buf) {
- tmppar = buf;
- buf = buf->next();
- delete tmppar;
+typedef limited_stack<pair<ParagraphList, textclass_type> > CutStack;
+
+CutStack cuts(10);
+
+struct resetOwnerAndChanges : public std::unary_function<Paragraph, void> {
+ void operator()(Paragraph & p) const {
+ p.cleanChanges();
+ p.setInsetOwner(0);
}
- buf = 0;
-}
+};
} // namespace anon
-bool CutAndPaste::cutSelection(Paragraph * startpar, Paragraph ** endpar,
- int start, int & end, char tc, bool doclear,
- bool realcut)
+namespace lyx {
+namespace cap {
+
+
+int SwitchLayoutsBetweenClasses(textclass_type c1, textclass_type c2,
+ ParagraphList & pars, ErrorList & errorlist)
{
- if (!startpar || (start > startpar->size()))
- return false;
-
- if (realcut)
- DeleteBuffer();
-
- textclass = tc;
+ BOOST_ASSERT(!pars.empty());
+ int ret = 0;
+ if (c1 == c2)
+ return ret;
+
+ LyXTextClass const & tclass1 = textclasslist[c1];
+ LyXTextClass const & tclass2 = textclasslist[c2];
+
+ InsetText in;
+ std::swap(in.paragraphs(), pars);
- if (!(*endpar) || startpar == (*endpar)) {
- // only within one paragraph
- if (realcut)
- buf = new Paragraph;
- pos_type i = start;
- if (end > startpar->size())
- end = startpar->size();
- for (; i < end; ++i) {
- if (realcut)
- startpar->copyIntoMinibuffer(*current_view->buffer(),
- start);
- startpar->erase(start);
- if (realcut)
- buf->insertFromMinibuffer(buf->size());
- }
- end = start - 1;
- } else {
- // more than one paragraph
- (*endpar)->breakParagraphConservative(current_view->buffer()->params,
- end);
- *endpar = (*endpar)->next();
- end = 0;
-
- startpar->breakParagraphConservative(current_view->buffer()->params,
- start);
-
- // store the selection
- if (realcut) {
- buf = startpar->next();
- buf->previous(0);
- } else {
- startpar->next()->previous(0);
- }
- (*endpar)->previous()->next(0);
-
- // cut the selection
- startpar->next(*endpar);
-
- (*endpar)->previous(startpar);
-
- // the cut selection should begin with standard layout
- if (realcut)
- buf->clear();
-
- // paste the paragraphs again, if possible
- if (doclear)
- startpar->next()->stripLeadingSpaces(textclass);
- if (startpar->hasSameLayout(startpar->next()) ||
- !startpar->next()->size()) {
- startpar->pasteParagraph(current_view->buffer()->params);
- (*endpar) = startpar; // this because endpar gets deleted here!
- }
- // this paragraph's are of noone's owner!
- Paragraph * p = buf;
- while(p) {
- p->setInsetOwner(0);
- p = p->next();
+ ParIterator end = ParIterator(DocumentIterator());
+ for (ParIterator it = ParIterator(in, 0); it != end; ++it) {
+ string const name = it->layout()->name();
+ bool hasLayout = tclass2.hasLayout(name);
+
+ if (hasLayout)
+ it->layout(tclass2[name]);
+ else
+ it->layout(tclass2.defaultLayout());
+
+ if (!hasLayout && name != tclass1.defaultLayoutName()) {
+ ++ret;
+ string const s = bformat(
+ _("Layout had to be changed from\n%1$s to %2$s\n"
+ "because of class conversion from\n%3$s to %4$s"),
+ name, it->layout()->name(), tclass1.name(), tclass2.name());
+ // To warn the user that something had to be done.
+ errorlist.push_back(ErrorItem("Changed Layout", s,
+ it->id(), 0,
+ it->size()));
}
}
- return true;
+ std::swap(in.paragraphs(), pars);
+ return ret;
}
-bool CutAndPaste::copySelection(Paragraph * startpar, Paragraph * endpar,
- int start, int end, char tc)
+std::vector<string> const availableSelections(Buffer const & buffer)
{
- if (!startpar || (start > startpar->size()))
- return false;
-
- DeleteBuffer();
-
- textclass = tc;
-
- if (!endpar || startpar == endpar) {
- // only within one paragraph
- buf = new Paragraph;
- pos_type i = start;
- if (end > startpar->size())
- end = startpar->size();
- for (; i < end; ++i) {
- startpar->copyIntoMinibuffer(*current_view->buffer(), i);
- buf->insertFromMinibuffer(buf->size());
- }
- } else {
- // copy more than one paragraph
- // clone the paragraphs within the selection
- Paragraph * tmppar = startpar;
- buf = new Paragraph(*tmppar, false);
- Paragraph * tmppar2 = buf;
-
- while (tmppar != endpar
- && tmppar->next()) {
- tmppar = tmppar->next();
- tmppar2->next(new Paragraph(*tmppar, false));
- tmppar2->next()->previous(tmppar2);
- tmppar2 = tmppar2->next();
- }
- tmppar2->next(0);
-
- // the buf paragraph is too big
- pos_type tmpi2 = start;
- for (; tmpi2; --tmpi2)
- buf->erase(0);
-
- // now tmppar 2 is too big, delete all after end
- tmpi2 = end;
- while (tmppar2->size() > tmpi2) {
- tmppar2->erase(tmppar2->size() - 1);
+ vector<string> selList;
+
+ CutStack::const_iterator cit = cuts.begin();
+ CutStack::const_iterator end = cuts.end();
+ for (; cit != end; ++cit) {
+ // we do not use cit-> here because gcc 2.9x does not
+ // like it (JMarc)
+ ParagraphList const & pars = (*cit).first;
+ string asciiSel;
+ ParagraphList::const_iterator pit = pars.begin();
+ ParagraphList::const_iterator pend = pars.end();
+ for (; pit != pend; ++pit) {
+ asciiSel += pit->asString(buffer, false);
+ if (asciiSel.size() > 25) {
+ asciiSel.replace(22, string::npos, "...");
+ break;
+ }
}
- // this paragraph's are of noone's owner!
- tmppar = buf;
- while(tmppar) {
- tmppar->setInsetOwner(0);
- tmppar = tmppar->next();
+
+ selList.push_back(asciiSel);
+ }
+
+ return selList;
+}
+
+
+PitPosPair eraseSelection(BufferParams const & params, ParagraphList & pars,
+ par_type startpit, par_type endpit,
+ int startpos, int endpos, bool doclear)
+{
+ if (startpit == par_type(pars.size()) ||
+ (startpos > pars[startpit].size()))
+ return PitPosPair(endpit, endpos);
+
+ if (endpit == par_type(pars.size()) ||
+ startpit == endpit) {
+ endpos -= pars[startpit].erase(startpos, endpos);
+ return PitPosPair(endpit, endpos);
+ }
+
+ // clear end/begin fragments of the first/last par in selection
+ bool all_erased = true;
+
+ pars[startpit].erase(startpos, pars[startpit].size());
+ if (pars[startpit].size() != startpos)
+ all_erased = false;
+
+ endpos -= pars[endpit].erase(0, endpos);
+ if (endpos != 0)
+ all_erased = false;
+
+ // Loop through the deleted pars if any, erasing as needed
+ for (par_type pit = startpit + 1; pit != endpit;) {
+ // "erase" the contents of the par
+ pars[pit].erase(0, pars[pit].size());
+ if (!pars[pit].size()) {
+ // remove the par if it's now empty
+ pars.erase(pars.begin() + pit);
+ --endpit;
+ } else {
+ ++pit;
+ all_erased = false;
}
}
+
+#if 0 // FIXME: why for cut but not copy ?
+ // the cut selection should begin with standard layout
+ if (realcut) {
+ buf->params().clear();
+ buf->bibkey = 0;
+ buf->layout(textclasslist[buffer->params.textclass].defaultLayoutName());
+ }
+#endif
+
+ if (startpit + 1 == par_type(pars.size()))
+ return PitPosPair(endpit, endpos);
+
+ if (doclear) {
+ pars[startpit + 1].stripLeadingSpaces();
+ }
+
+ // paste the paragraphs again, if possible
+ if (all_erased &&
+ (pars[startpit].hasSameLayout(pars[startpit + 1]) ||
+ pars[startpit + 1].empty())) {
+ mergeParagraph(params, pars, startpit);
+ // this because endpar gets deleted here!
+ endpit = startpit;
+ endpos = startpos;
+ }
+
+ return PitPosPair(endpit, endpos);
+
+}
+
+
+bool copySelection(ParagraphList & pars,
+ par_type startpit, par_type endpit,
+ int start, int end, textclass_type tc)
+{
+ BOOST_ASSERT(0 <= start && start <= pars[startpit].size());
+ BOOST_ASSERT(0 <= end && end <= pars[endpit].size());
+ BOOST_ASSERT(startpit != endpit || start <= end);
+
+ // Clone the paragraphs within the selection.
+ ParagraphList paragraphs(pars.begin() + startpit, pars.begin() + endpit + 1);
+ for_each(paragraphs.begin(), paragraphs.end(), resetOwnerAndChanges());
+
+ // Cut out the end of the last paragraph.
+ Paragraph & back = paragraphs.back();
+ back.erase(end, back.size());
+
+ // Cut out the begin of the first paragraph
+ Paragraph & front = paragraphs.front();
+ front.erase(0, start);
+
+ cuts.push(make_pair(paragraphs, tc));
+
return true;
}
-bool CutAndPaste::pasteSelection(Paragraph ** par, Paragraph ** endpar,
- int & pos, char tc)
+PitPosPair cutSelection(BufferParams const & params, ParagraphList & pars,
+ par_type startpit, par_type endpit,
+ int startpos, int endpos, textclass_type tc, bool doclear)
{
- if (!checkPastePossible(*par))
- return false;
-
- if (pos > (*par)->size())
- pos = (*par)->size();
-
- // Paragraph * tmpbuf;
- Paragraph * tmppar = *par;
- int tmppos = pos;
-
- // There are two cases: cutbuffer only one paragraph or many
- if (!buf->next()) {
- // only within a paragraph
- Paragraph * tmpbuf = new Paragraph(*buf, false);
-
- // Some provisions should be done here for checking
- // if we are inserting at the beginning of a
- // paragraph. If there are a space at the beginning
- // of the text to insert and we are inserting at
- // the beginning of the paragraph the space should
- // be removed.
- while (buf->size()) {
- // This is an attempt to fix the
- // "never insert a space at the
- // beginning of a paragraph" problem.
- if (!tmppos && buf->isLineSeparator(0)) {
- buf->erase(0);
- } else {
- buf->cutIntoMinibuffer(current_view->buffer()->params, 0);
- buf->erase(0);
- if (tmppar->insertFromMinibuffer(tmppos))
- ++tmppos;
+ copySelection(pars, startpit, endpit, startpos, endpos, tc);
+ return eraseSelection(params, pars, startpit, endpit, startpos,
+ endpos, doclear);
+}
+
+
+pair<PitPosPair, par_type>
+pasteSelection(Buffer const & buffer, ParagraphList & pars,
+ par_type pit, int pos,
+ textclass_type tc, size_t cut_index, ErrorList & errorlist)
+{
+ if (!checkPastePossible())
+ return make_pair(PitPosPair(pit, pos), pit);
+
+ BOOST_ASSERT (pos <= pars[pit].size());
+
+ // Make a copy of the CaP paragraphs.
+ ParagraphList insertion = cuts[cut_index].first;
+ textclass_type const textclass = cuts[cut_index].second;
+
+ // Now remove all out of the pars which is NOT allowed in the
+ // new environment and set also another font if that is required.
+
+ // Make sure there is no class difference.
+ SwitchLayoutsBetweenClasses(textclass, tc, insertion,
+ errorlist);
+
+ ParagraphList::iterator tmpbuf = insertion.begin();
+ int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
+
+ Paragraph::depth_type max_depth = pars[pit].getMaxDepthAfter();
+
+ for (; tmpbuf != insertion.end(); ++tmpbuf) {
+ // If we have a negative jump so that the depth would
+ // go below 0 depth then we have to redo the delta to
+ // this new max depth level so that subsequent
+ // paragraphs are aligned correctly to this paragraph
+ // at level 0.
+ if (int(tmpbuf->params().depth()) + depth_delta < 0)
+ depth_delta = 0;
+
+ // Set the right depth so that we are not too deep or shallow.
+ tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
+ if (tmpbuf->params().depth() > max_depth)
+ tmpbuf->params().depth(max_depth);
+
+ // Only set this from the 2nd on as the 2nd depends
+ // for maxDepth still on pit.
+ if (tmpbuf != insertion.begin())
+ max_depth = tmpbuf->getMaxDepthAfter();
+
+ // Set the inset owner of this paragraph.
+ tmpbuf->setInsetOwner(pars[pit].inInset());
+ for (pos_type i = 0; i < tmpbuf->size(); ++i) {
+ if (tmpbuf->getChar(i) == Paragraph::META_INSET) {
+ if (!pars[pit].insetAllowed(tmpbuf->getInset(i)->lyxCode()))
+ tmpbuf->erase(i--);
}
}
- delete buf;
- buf = tmpbuf;
- *endpar = tmppar->next();
- pos = tmppos;
- } else {
- // many paragraphs
-
- // make a copy of the simple cut_buffer
- Paragraph * tmpbuf = buf;
- Paragraph * simple_cut_clone = new Paragraph(*tmpbuf, false);
- Paragraph * tmpbuf2 = simple_cut_clone;
-
- while (tmpbuf->next()) {
- tmpbuf = tmpbuf->next();
- tmpbuf2->next(new Paragraph(*tmpbuf, false));
- tmpbuf2->next()->previous(tmpbuf2);
- tmpbuf2 = tmpbuf2->next();
- }
-
- // make sure there is no class difference
- SwitchLayoutsBetweenClasses(textclass, tc, buf);
-
- // make the buf exactly the same layout than
- // the cursor paragraph
- buf->makeSameLayout(*par);
-
- // find the end of the buffer
- Paragraph * lastbuffer = buf;
- while (lastbuffer->next())
- lastbuffer = lastbuffer->next();
-
- bool paste_the_end = false;
-
- // open the paragraph for inserting the buf
- // if necessary
- if (((*par)->size() > pos) || !(*par)->next()) {
- (*par)->breakParagraphConservative(current_view->buffer()->params,
- pos);
- paste_the_end = true;
- }
- // set the end for redoing later
- *endpar = (*par)->next()->next();
-
- // paste it!
- lastbuffer->next((*par)->next());
- (*par)->next()->previous(lastbuffer);
-
- (*par)->next(buf);
- buf->previous(*par);
-
- if ((*par)->next() == lastbuffer)
- lastbuffer = *par;
-
- (*par)->pasteParagraph(current_view->buffer()->params);
- // store the new cursor position
- *par = lastbuffer;
- pos = lastbuffer->size();
- // maybe some pasting
- if (lastbuffer->next() && paste_the_end) {
- if (lastbuffer->next()->hasSameLayout(lastbuffer)) {
- lastbuffer->pasteParagraph(current_view->buffer()->params);
- } else if (!lastbuffer->next()->size()) {
- lastbuffer->next()->makeSameLayout(lastbuffer);
- lastbuffer->pasteParagraph(current_view->buffer()->params);
- } else if (!lastbuffer->size()) {
- lastbuffer->makeSameLayout(lastbuffer->next());
- lastbuffer->pasteParagraph(current_view->buffer()->params);
- } else
- lastbuffer->next()->stripLeadingSpaces(tc);
+ }
+
+ // Make the buf exactly the same layout as the cursor paragraph.
+ insertion.begin()->makeSameLayout(pars[pit]);
+
+ // Prepare the paragraphs and insets for insertion.
+ // A couple of insets store buffer references so need updating.
+ InsetText in;
+ std::swap(in.paragraphs(), insertion);
+
+ ParIterator fpit = ParIterator(in, 0);
+ ParIterator fend = ParIterator(DocumentIterator());
+
+ for (; fpit != fend; ++fpit) {
+ InsetList::iterator lit = fpit->insetlist.begin();
+ InsetList::iterator eit = fpit->insetlist.end();
+
+ for (; lit != eit; ++lit) {
+ switch (lit->inset->lyxCode()) {
+ case InsetOld::TABULAR_CODE: {
+ InsetTabular * it = static_cast<InsetTabular*>(lit->inset);
+ it->buffer(const_cast<Buffer*>(&buffer));
+ break;
+ }
+
+ default:
+ break; // nothing
+ }
}
- // restore the simple cut buffer
- buf = simple_cut_clone;
}
+ std::swap(in.paragraphs(), insertion);
- return true;
-}
+ // Split the paragraph for inserting the buf if necessary.
+ bool did_split = false;
+ if (pars[pit].size() || pit + 1 == par_type(pars.size())) {
+ breakParagraphConservative(buffer.params(), pars, pit, pos);
+ did_split = true;
+ }
+ // Paste it!
+ pars.insert(pars.begin() + pit + 1, insertion.begin(), insertion.end());
+ mergeParagraph(buffer.params(), pars, pit);
-int CutAndPaste::nrOfParagraphs()
-{
- if (!buf)
- return 0;
+ par_type last_paste = pit + insertion.size() - 1;
- int n = 1;
- Paragraph * tmppar = buf;
- while(tmppar->next()) {
- ++n;
- tmppar = tmppar->next();
+ // Store the new cursor position.
+ pit = last_paste;
+ pos = pars[last_paste].size();
+
+ // Maybe some pasting.
+ if (did_split && last_paste + 1 != par_type(pars.size())) {
+ if (pars[last_paste + 1].hasSameLayout(pars[last_paste])) {
+ mergeParagraph(buffer.params(), pars, last_paste);
+ } else if (pars[last_paste + 1].empty()) {
+ pars[last_paste + 1].makeSameLayout(pars[last_paste]);
+ mergeParagraph(buffer.params(), pars, last_paste);
+ } else if (pars[last_paste].empty()) {
+ pars[last_paste].makeSameLayout(pars[last_paste + 1]);
+ mergeParagraph(buffer.params(), pars, last_paste);
+ } else {
+ pars[last_paste + 1].stripLeadingSpaces();
+ ++last_paste;
+ }
}
- return n;
+
+ return make_pair(PitPosPair(pit, pos), last_paste + 1);
}
-int CutAndPaste::SwitchLayoutsBetweenClasses(LyXTextClassList::size_type c1,
- LyXTextClassList::size_type c2,
- Paragraph * par)
+pair<PitPosPair, par_type>
+pasteSelection(Buffer const & buffer, ParagraphList & pars,
+ par_type pit, int pos, textclass_type tc, ErrorList & errorlist)
{
- int ret = 0;
- if (!par || c1 == c2)
- return ret;
-
- while (par) {
- string const name = textclasslist.NameOfLayout(c1,
- par->layout);
- int lay = 0;
- pair<bool, LyXTextClass::LayoutList::size_type> pp =
- textclasslist.NumberOfLayout(c2, name);
- if (pp.first) {
- lay = pp.second;
- } else { // layout not found
- // use default layout "Standard" (0)
- lay = 0;
- }
- par->layout = lay;
-
- if (name != textclasslist.NameOfLayout(c2, par->layout)) {
- ++ret;
- string const s = _("Layout had to be changed from\n")
- + name + _(" to ")
- + textclasslist.NameOfLayout(c2, par->layout)
- + _("\nbecause of class conversion from\n")
- + textclasslist.NameOfClass(c1) + _(" to ")
- + textclasslist.NameOfClass(c2);
- InsetError * new_inset = new InsetError(s);
- par->insertInset(0, new_inset);
- }
- par = par->next();
- }
- return ret;
+ return pasteSelection(buffer, pars, pit, pos, tc, 0, errorlist);
}
-bool CutAndPaste::checkPastePossible(Paragraph *)
+int nrOfParagraphs()
{
- if (!buf) return false;
-
- return true;
+ return cuts.empty() ? 0 : cuts[0].first.size();
+}
+
+
+bool checkPastePossible()
+{
+ return !cuts.empty() && !cuts[0].first.empty();
+}
+
+
+void cutSelection(LCursor & cur, bool doclear, bool realcut)
+{
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+ // Stuff what we got on the clipboard. Even if there is no selection.
+
+ // There is a problem with having the stuffing here in that the
+ // larger the selection the slower LyX will get. This can be
+ // solved by running the line below only when the selection has
+ // finished. The solution used currently just works, to make it
+ // faster we need to be more clever and probably also have more
+ // calls to stuffClipboard. (Lgb)
+ cur.bv().stuffClipboard(cur.selectionAsString(true));
+
+ // This doesn't make sense, if there is no selection
+ if (!cur.selection())
+ return;
+
+ // OK, we have a selection. This is always between cur.selBegin()
+ // and cur.selEnd()
+
+ // make sure that the depth behind the selection are restored, too
+ recordUndoSelection(cur);
+ par_type begpit = cur.selBegin().par();
+ par_type endpit = cur.selEnd().par();
+
+ int endpos = cur.selEnd().pos();
+
+ BufferParams const & bufparams = cur.bv().buffer()->params();
+ boost::tie(endpit, endpos) = realcut ?
+ cutSelection(bufparams,
+ text->paragraphs(),
+ begpit, endpit,
+ cur.selBegin().pos(), endpos,
+ bufparams.textclass,
+ doclear)
+ : eraseSelection(bufparams,
+ text->paragraphs(),
+ begpit, endpit,
+ cur.selBegin().pos(), endpos,
+ doclear);
+ // sometimes necessary
+ if (doclear)
+ text->paragraphs()[begpit].stripLeadingSpaces();
+
+ text->redoParagraphs(begpit, begpit + 1);
+ // cutSelection can invalidate the cursor so we need to set
+ // it anew. (Lgb)
+ // we prefer the end for when tracking changes
+ cur.pos() = endpos;
+ cur.par() = endpit;
+
+ // need a valid cursor. (Lgb)
+ cur.clearSelection();
+ text->updateCounters();
+}
+
+
+void copySelection(LCursor & cur)
+{
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+ // stuff the selection onto the X clipboard, from an explicit copy request
+ cur.bv().stuffClipboard(cur.selectionAsString(true));
+
+ // this doesn't make sense, if there is no selection
+ if (!cur.selection())
+ return;
+
+ // ok we have a selection. This is always between cur.selBegin()
+ // and sel_end cursor
+
+ // copy behind a space if there is one
+ ParagraphList & pars = text->paragraphs();
+ pos_type pos = cur.selBegin().pos();
+ par_type par = cur.selBegin().par();
+ while (pos < pars[par].size()
+ && pars[par].isLineSeparator(pos)
+ && (par != cur.selEnd().par() || pos < cur.selEnd().pos()))
+ ++pos;
+
+ copySelection(pars, par, cur.selEnd().par(),
+ pos, cur.selEnd().pos(), cur.bv().buffer()->params().textclass);
+}
+
+
+void pasteSelection(LCursor & cur, size_t sel_index)
+{
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+ // this does not make sense, if there is nothing to paste
+ if (!checkPastePossible())
+ return;
+
+ recordUndo(cur);
+
+ par_type endpit;
+ PitPosPair ppp;
+
+ ErrorList el;
+
+ boost::tie(ppp, endpit) =
+ pasteSelection(*cur.bv().buffer(),
+ text->paragraphs(),
+ cur.par(), cur.pos(),
+ cur.bv().buffer()->params().textclass,
+ sel_index, el);
+ bufferErrors(*cur.bv().buffer(), el);
+ text->bv()->showErrorList(_("Paste"));
+
+ text->redoParagraphs(cur.par(), endpit);
+
+ cur.clearSelection();
+ cur.resetAnchor();
+ text->setCursor(cur, ppp.first, ppp.second);
+ cur.setSelection();
+ text->updateCounters();
+}
+
+
+void setSelectionRange(LCursor & cur, pos_type length)
+{
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+ if (!length)
+ return;
+ cur.resetAnchor();
+ while (length--)
+ text->cursorRight(cur);
+ cur.setSelection();
+}
+
+
+// simple replacing. The font of the first selected character is used
+void replaceSelectionWithString(LCursor & cur, string const & str)
+{
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+ recordUndo(cur);
+
+ // Get font setting before we cut
+ pos_type pos = cur.selEnd().pos();
+ LyXFont const font = text->getPar(cur.selBegin().par()).
+ getFontSettings(cur.bv().buffer()->params(), cur.selBegin().pos());
+
+ // Insert the new string
+ string::const_iterator cit = str.begin();
+ string::const_iterator end = str.end();
+ for (; cit != end; ++cit, ++pos)
+ text->getPar(cur.selEnd().par()).insertChar(pos, (*cit), font);
+
+ // Cut the selection
+ cutSelection(cur, true, false);
}
+
+
+void replaceSelection(LCursor & cur)
+{
+ if (cur.selection())
+ cutSelection(cur, true, false);
+}
+
+
+// only used by the spellchecker
+void replaceWord(LCursor & cur, string const & replacestring)
+{
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+
+ replaceSelectionWithString(cur, replacestring);
+ setSelectionRange(cur, replacestring.length());
+
+ // Go back so that replacement string is also spellchecked
+ for (string::size_type i = 0; i < replacestring.length() + 1; ++i)
+ text->cursorLeft(cur);
+}
+
+
+} // namespace cap
+} // namespace lyx
projects / lyx.git / blobdiff