-/* 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 Jurgen Vigna
+ * \author Lars Gullik Bjønnes
+ *
+ * Full author contact details are available in file CREDITS
+ */
#include <config.h>
#include "CutAndPaste.h"
#include "BufferView.h"
#include "buffer.h"
+#include "errorlist.h"
#include "paragraph.h"
-#include "insets/inseterror.h"
-#include "lyx_gui_misc.h"
+#include "ParagraphParameters.h"
+#include "lyxtext.h"
#include "lyxcursor.h"
-#include "gettext.h"
#include "iterators.h"
+#include "lyxtextclasslist.h"
+#include "undo_funcs.h"
+#include "gettext.h"
+#include "paragraph_funcs.h"
+#include "debug.h"
+#include "insets/insetinclude.h"
+#include "insets/insettabular.h"
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include "support/LAssert.h"
+#include "support/lstrings.h"
+#include "support/limited_stack.h"
+using std::endl;
using std::pair;
+using std::make_pair;
+using std::for_each;
+using std::vector;
+
using lyx::pos_type;
-using lyx::layout_type;
using lyx::textclass_type;
-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)
+
+typedef limited_stack<pair<ParagraphList, textclass_type> > CutStack;
namespace {
-Paragraph * buf = 0;
-textclass_type textclass = 0;
+CutStack cuts(10);
-// 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()
+} // namespace anon
+
+vector<string>
+CutAndPaste::availableSelections(Buffer const & buffer)
{
- if (!buf)
- return;
-
- Paragraph * tmppar;
-
- while (buf) {
- tmppar = buf;
- buf = buf->next();
- delete tmppar;
+ 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;
+ }
+ }
+
+ selList.push_back(asciiSel);
}
- buf = 0;
+
+ return selList;
}
-} // namespace anon
+
+PitPosPair CutAndPaste::cutSelection(BufferParams const & params,
+ ParagraphList & pars,
+ ParagraphList::iterator startpit,
+ ParagraphList::iterator endpit,
+ int startpos, int endpos,
+ textclass_type tc, bool doclear)
+{
+ copySelection(startpit, endpit, startpos, endpos, tc);
+ return eraseSelection(params, pars, startpit, endpit, startpos,
+ endpos, doclear);
+}
-bool CutAndPaste::cutSelection(Paragraph * startpar, Paragraph ** endpar,
- int start, int & end, char tc, bool doclear,
- bool realcut)
+PitPosPair CutAndPaste::eraseSelection(BufferParams const & params,
+ ParagraphList & pars,
+ ParagraphList::iterator startpit,
+ ParagraphList::iterator endpit,
+ int startpos, int endpos, bool doclear)
{
- if (!startpar || (start > startpar->size()))
- return false;
-
- if (realcut)
- DeleteBuffer();
-
- textclass = tc;
-
- 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();
- }
+ if (startpit == pars.end() || (startpos > startpit->size()))
+ return PitPosPair(endpit, endpos);
+
+ if (endpit == pars.end() || startpit == endpit) {
+ endpos -= startpit->erase(startpos, endpos);
+ return PitPosPair(endpit, endpos);
}
- return true;
+
+ // clear end/begin fragments of the first/last par in selection
+ bool all_erased = true;
+
+ startpit->erase(startpos, startpit->size());
+ if (startpit->size() != startpos)
+ all_erased = false;
+
+ endpos -= endpit->erase(0, endpos);
+ if (endpos != 0)
+ all_erased = false;
+
+ // Loop through the deleted pars if any, erasing as needed
+
+ ParagraphList::iterator pit = boost::next(startpit);
+
+ while (pit != endpit && pit != pars.end()) {
+ ParagraphList::iterator const next = boost::next(pit);
+ // "erase" the contents of the par
+ pit->erase(0, pit->size());
+ if (!pit->size()) {
+ // remove the par if it's now empty
+ pars.erase(pit);
+ } else
+ all_erased = false;
+ pit = next;
+ }
+
+#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 (boost::next(startpit) == pars.end())
+ return PitPosPair(endpit, endpos);
+
+ if (doclear) {
+ boost::next(startpit)->stripLeadingSpaces();
+ }
+
+ // paste the paragraphs again, if possible
+ if (all_erased &&
+ (startpit->hasSameLayout(*boost::next(startpit)) ||
+ boost::next(startpit)->empty())) {
+ mergeParagraph(params, pars, startpit);
+ // this because endpar gets deleted here!
+ endpit = startpit;
+ endpos = startpos;
+ }
+
+ return PitPosPair(endpit, endpos);
+
}
-bool CutAndPaste::copySelection(Paragraph * startpar, Paragraph * endpar,
- int start, int end, char tc)
-{
- 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);
- }
- // this paragraph's are of noone's owner!
- tmppar = buf;
- while (tmppar) {
- tmppar->setInsetOwner(0);
- tmppar = tmppar->next();
- }
+namespace {
+
+struct resetOwnerAndChanges {
+ void operator()(Paragraph & p) {
+ p.cleanChanges();
+ p.setInsetOwner(0);
}
+};
+
+} // anon namespace
+
+bool CutAndPaste::copySelection(ParagraphList::iterator startpit,
+ ParagraphList::iterator endpit,
+ int start, int end, textclass_type tc)
+{
+ lyx::Assert(&*startpit);
+ lyx::Assert(&*endpit);
+ lyx::Assert(0 <= start && start <= startpit->size());
+ lyx::Assert(0 <= end && end <= endpit->size());
+ lyx::Assert(startpit != endpit || start <= end);
+
+ ParagraphList paragraphs;
+
+ // Clone the paragraphs within the selection.
+ ParagraphList::iterator postend = boost::next(endpit);
+
+ paragraphs.assign(startpit, postend);
+ 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)
+pair<PitPosPair, ParagraphList::iterator>
+CutAndPaste::pasteSelection(Buffer const & buffer,
+ ParagraphList & pars,
+ ParagraphList::iterator pit, int pos,
+ textclass_type tc,
+ ErrorList & errorlist)
{
- 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);
+ return pasteSelection(buffer, pars, pit, pos, tc, 0, errorlist);
+}
+
+
+pair<PitPosPair, ParagraphList::iterator>
+CutAndPaste::pasteSelection(Buffer const & buffer,
+ ParagraphList & pars,
+ ParagraphList::iterator pit, int pos,
+ textclass_type tc, size_t cut_index,
+ ErrorList & errorlist)
+{
+ if (!checkPastePossible())
+ return make_pair(PitPosPair(pit, pos), pit);
+
+ lyx::Assert (pos <= pit->size());
+
+ // Make a copy of the CaP paragraphs.
+ ParagraphList simple_cut_clone = 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, simple_cut_clone,
+ errorlist);
+
+ ParagraphList::iterator tmpbuf = simple_cut_clone.begin();
+ int depth_delta = pit->params().depth() - tmpbuf->params().depth();
+
+ Paragraph::depth_type max_depth = pit->getMaxDepthAfter();
+
+ for (; tmpbuf != simple_cut_clone.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 != simple_cut_clone.begin())
+ max_depth = tmpbuf->getMaxDepthAfter();
+
+ // Set the inset owner of this paragraph.
+ tmpbuf->setInsetOwner(pit->inInset());
+ for (pos_type i = 0; i < tmpbuf->size(); ++i) {
+ if (tmpbuf->getChar(i) == Paragraph::META_INSET) {
+ if (!pit->insetAllowed(tmpbuf->getInset(i)->lyxCode())) {
+ tmpbuf->erase(i--);
+ }
} else {
- buf->cutIntoMinibuffer(current_view->buffer()->params, 0);
- buf->erase(0);
- if (tmppar->insertFromMinibuffer(tmppos))
- ++tmppos;
+ LyXFont f1 = tmpbuf->getFont(buffer.params, i, outerFont(pit, pars));
+ LyXFont f2 = f1;
+ if (!pit->checkInsertChar(f1)) {
+ tmpbuf->erase(i--);
+ } else if (f1 != f2) {
+ tmpbuf->setFont(i, f1);
+ }
}
}
- 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();
- }
+ }
- // now remove all out of the buffer which is NOT allowed in the
- // new environment and set also another font if that is required
- tmpbuf = buf;
- while(tmpbuf) {
- for(pos_type i = 0; i < tmpbuf->size(); ++i) {
- if (tmpbuf->getChar(i) == Paragraph::META_INSET) {
- if (!(*par)->insetAllowed(tmpbuf->getInset(i)->lyxCode()))
- {
- tmpbuf->erase(i--);
- }
- } else {
- LyXFont f1 = tmpbuf->getFont(current_view->buffer()->params,i);
- LyXFont f2 = f1;
- if (!(*par)->checkInsertChar(f1)) {
- tmpbuf->erase(i--);
- } else if (f1 != f2) {
- tmpbuf->setFont(i, f1);
- }
- }
+ // Make the buf exactly the same layout than
+ // the cursor paragraph.
+ simple_cut_clone.begin()->makeSameLayout(*pit);
+
+ // Prepare the paragraphs and insets for insertion
+ // A couple of insets store buffer references so need
+ // updating
+ ParIterator fpit(simple_cut_clone.begin(), simple_cut_clone);
+ ParIterator fend(simple_cut_clone.end(), simple_cut_clone);
+
+ 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 Inset::INCLUDE_CODE: {
+ InsetInclude * ii = static_cast<InsetInclude*>(lit->inset);
+ InsetInclude::Params ip = ii->params();
+ ip.masterFilename_ = buffer.fileName();
+ ii->set(ip);
+ break;
+ }
+
+ case Inset::TABULAR_CODE: {
+ InsetTabular * it = static_cast<InsetTabular*>(lit->inset);
+ it->buffer(const_cast<Buffer*>(&buffer));
+ break;
+ }
+
+ default:
+ break; // nothing
}
- tmpbuf = tmpbuf->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);
}
- // restore the simple cut buffer
- buf = simple_cut_clone;
}
-
- return true;
+
+ bool paste_the_end = false;
+
+ // Open the paragraph for inserting the buf
+ // if necessary.
+ if (pit->size() > pos || boost::next(pit) == pars.end()) {
+ breakParagraphConservative(buffer.params,
+ pars, pit, pos);
+ paste_the_end = true;
+ }
+
+ // Set the end for redoing later.
+ ParagraphList::iterator endpit = boost::next(boost::next(pit));
+
+ // Paste it!
+
+ ParagraphList::iterator past_pit = boost::next(pit);
+ pars.splice(past_pit, simple_cut_clone);
+ ParagraphList::iterator last_paste = boost::prior(past_pit);
+
+ // If we only inserted one paragraph.
+ if (boost::next(pit) == last_paste)
+ last_paste = pit;
+
+ mergeParagraph(buffer.params, pars, pit);
+
+ // Store the new cursor position.
+ pit = last_paste;
+ pos = last_paste->size();
+
+ // Maybe some pasting.
+#warning CHECK! Are we comparing last_paste to the wrong list here? (Lgb)
+ if (boost::next(last_paste) != pars.end() &&
+ paste_the_end) {
+ if (boost::next(last_paste)->hasSameLayout(*last_paste)) {
+ mergeParagraph(buffer.params, pars,
+ last_paste);
+ } else if (boost::next(last_paste)->empty()) {
+ boost::next(last_paste)->makeSameLayout(*last_paste);
+ mergeParagraph(buffer.params, pars,
+ last_paste);
+ } else if (last_paste->empty()) {
+ last_paste->makeSameLayout(*boost::next(last_paste));
+ mergeParagraph(buffer.params, pars,
+ last_paste);
+ } else
+ boost::next(last_paste)->stripLeadingSpaces();
+ }
+
+ return make_pair(PitPosPair(pit, pos), endpit);
}
int CutAndPaste::nrOfParagraphs()
{
- if (!buf)
- return 0;
-
- int n = 1;
- Paragraph * tmppar = buf;
- while (tmppar->next()) {
- ++n;
- tmppar = tmppar->next();
- }
- return n;
+ return cuts.empty() ? 0 : cuts[0].first.size();
}
int CutAndPaste::SwitchLayoutsBetweenClasses(textclass_type c1,
- textclass_type c2, Paragraph * par)
+ textclass_type c2,
+ ParagraphList & pars,
+ ErrorList & errorlist)
{
+ lyx::Assert(!pars.empty());
+
int ret = 0;
- if (!par || c1 == c2)
+ if (c1 == c2)
return ret;
- ParIterator end = ParIterator();
- for (ParIterator it = ParIterator(par); it != end; ++it) {
- par = *it;
- string const name = textclasslist.NameOfLayout(c1, par->layout);
- int lay = 0;
- pair<bool, layout_type> pp =
- textclasslist.NumberOfLayout(c2, name);
- if (pp.first) {
- lay = pp.second;
- } else {
- // not found: use default layout "Standard" (0)
- lay = 0;
- }
- par->layout = lay;
-
- if (name != textclasslist.NameOfLayout(c2, par->layout)) {
+ LyXTextClass const & tclass1 = textclasslist[c1];
+ LyXTextClass const & tclass2 = textclasslist[c2];
+ ParIterator end = ParIterator(pars.end(), pars);
+ for (ParIterator it = ParIterator(pars.begin(), pars); 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 = _("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);
+ 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 ret;
}
-bool CutAndPaste::checkPastePossible(Paragraph *)
+bool CutAndPaste::checkPastePossible()
{
- if (!buf) return false;
-
- return true;
+ return !cuts.empty() && !cuts[0].first.empty();
}