/* This file is part of
* ======================================================
- *
+ *
* LyX, The Document Processor
- *
- * Copyright 1995-2000 The LyX Team.
+ *
+ * Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#include "CutAndPaste.h"
-#include "lyxparagraph.h"
+#include "BufferView.h"
+#include "buffer.h"
+#include "paragraph.h"
+#include "ParagraphParameters.h"
+#include "lyxtext.h"
+#include "lyxcursor.h"
+#include "gettext.h"
+#include "iterators.h"
+#include "lyxtextclasslist.h"
+#include "undo_funcs.h"
+#include "paragraph_funcs.h"
+#include "debug.h"
+
#include "insets/inseterror.h"
-#include "lyx_gui_misc.h"
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include "support/BoostFormat.h"
+#include "support/LAssert.h"
+using std::endl;
using std::pair;
+using lyx::pos_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 {
-// LyXParagraph * buf;
+// Paragraph * buf;
// LyXTextClassList::size_type textclass;
// };
// in and some method of choosing beween them (based on the first few chars
// then do a middle mouse button click in the application you want and have
// the whole formula there in LaTeX-Code. (Jug)
-static LyXParagraph * buf = 0;
-static LyXTextClassList::size_type textclass = 0;
+namespace {
-// 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)
-static
-void DeleteBuffer()
+// FIXME: stupid name
+ParagraphList paragraphs;
+textclass_type textclass = 0;
+
+} // namespace anon
+
+PitPosPair CutAndPaste::cutSelection(ParagraphList & pars,
+ ParagraphList::iterator startpit,
+ ParagraphList::iterator endpit,
+ int startpos, int endpos,
+ textclass_type tc, bool doclear)
{
- if (!buf)
- return;
-
- LyXParagraph * tmppar;
-
- while (buf) {
- tmppar = buf;
- buf = buf->next;
- delete tmppar;
- }
- buf = 0;
+ copySelection(startpit, endpit, startpos, endpos, tc);
+ return eraseSelection(pars, startpit, endpit, startpos,
+ endpos, doclear);
}
-bool CutAndPaste::cutSelection(LyXParagraph * startpar, LyXParagraph ** endpar,
- int start, int & end, char tc, bool doclear)
+PitPosPair CutAndPaste::eraseSelection(ParagraphList & pars,
+ ParagraphList::iterator startpit,
+ ParagraphList::iterator endpit,
+ int startpos, int endpos, bool doclear)
{
- if (!startpar || (start > startpar->Last()))
- return false;
-
- DeleteBuffer();
-
- textclass = tc;
-
- if (!(*endpar) || (startpar->ParFromPos(start) ==
- (*endpar)->ParFromPos(end))) {
- // only within one paragraph
- buf = new LyXParagraph;
- LyXParagraph::size_type i = start;
- if (end > startpar->Last())
- end = startpar->Last();
- for (; i < end; ++i) {
- startpar->CopyIntoMinibuffer(start);
- /* table stuff -- begin */
- if (startpar->table && startpar->IsNewline(start)) {
- ++start;
- } else {
- /* table stuff -- end */
- startpar->Erase(start);
- }
- buf->InsertFromMinibuffer(buf->Last());
+ 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);
}
- } else {
- // more than one paragraph
- (*endpar)->BreakParagraphConservative(end);
- *endpar = (*endpar)->Next();
- end = 0;
-
- startpar->BreakParagraphConservative(start);
-
- // store the selection
- buf = startpar->ParFromPos(start)->next;
- buf->previous = 0;
- (*endpar)->previous->next = 0;
-
- // cut the selection
- startpar->ParFromPos(start)->next = (*endpar);
-
- (*endpar)->previous = startpar->ParFromPos(start);
-
- // care about footnotes
- if (buf->footnoteflag) {
- LyXParagraph * tmppar = buf;
- while (tmppar){
- tmppar->footnoteflag = LyXParagraph::NO_FOOTNOTE;
- tmppar = tmppar->next;
- }
+
+ // 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
- buf->Clear();
-
+ 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 (doclear)
- startpar->Next()->ClearParagraph();
- if (startpar->FirstPhysicalPar()->HasSameLayout(startpar->Next()) ||
- !startpar->Next()->Last())
- startpar->ParFromPos(start)->PasteParagraph();
- }
- return true;
+ if (all_erased &&
+ (startpit->hasSameLayout(*boost::next(startpit)) ||
+ boost::next(startpit)->empty())) {
+#warning current_view used here.
+// should we pass buffer or buffer->params around?
+ Buffer * buffer = current_view->buffer();
+ mergeParagraph(buffer->params, pars, &*startpit);
+ // this because endpar gets deleted here!
+ endpit = startpit;
+ endpos = startpos;
+ }
+
+ return PitPosPair(endpit, endpos);
+
}
-bool CutAndPaste::copySelection(LyXParagraph * startpar, LyXParagraph * endpar,
- int start, int end, char tc)
+bool CutAndPaste::copySelection(ParagraphList::iterator startpit,
+ ParagraphList::iterator endpit,
+ int start, int end, textclass_type tc)
{
- if (!startpar || (start > startpar->Last()))
- return false;
-
- DeleteBuffer();
-
- textclass = tc;
-
- if (!(endpar) || (startpar->ParFromPos(start) ==
- (endpar)->ParFromPos(end))) {
- // only within one paragraph
- buf = new LyXParagraph;
- LyXParagraph::size_type i = start;
- if (end > startpar->Last())
- end = startpar->Last();
- for (; i < end; ++i) {
- startpar->CopyIntoMinibuffer(i);
- buf->InsertFromMinibuffer(buf->Last());
- }
- } else {
- // copy more than one paragraph
- // clone the paragraphs within the selection
- LyXParagraph *tmppar = startpar->ParFromPos(start);
- buf = tmppar->Clone();
- LyXParagraph *tmppar2 = buf;
-
- while (tmppar != endpar->ParFromPos(end)
- && tmppar->next) {
- tmppar = tmppar->next;
- tmppar2->next = tmppar->Clone();
- tmppar2->next->previous = tmppar2;
- tmppar2 = tmppar2->next;
- }
- tmppar2->next = 0;
-
- // care about footnotes
- if (buf->footnoteflag) {
- tmppar = buf;
- while (tmppar) {
- tmppar->footnoteflag = LyXParagraph::NO_FOOTNOTE;
- tmppar = tmppar->next;
- }
- }
-
- // the buf paragraph is too big
- LyXParagraph::size_type tmpi2 = startpar->PositionInParFromPos(start);
- for (; tmpi2; --tmpi2)
- buf->Erase(0);
+ 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);
+
+ paragraphs.clear();
+
+ textclass = tc;
- // now tmppar 2 is too big, delete all after end
+ // clone the paragraphs within the selection
+ ParagraphList::iterator tmppit = startpit;
+ ParagraphList::iterator postend = boost::next(endpit);
- tmpi2 = endpar->PositionInParFromPos(end);
- while (tmppar2->size() > tmpi2) {
- tmppar2->Erase(tmppar2->size() - 1);
+ for (; tmppit != postend; ++tmppit) {
+ paragraphs.push_back(new Paragraph(*tmppit, false));
+ Paragraph & newpar = paragraphs.back();
+ // reset change info (can these go to the par ctor?)
+ newpar.cleanChanges();
+ newpar.setInsetOwner(0);
}
- }
- return true;
+
+ // Cut out the end of the last paragraph.
+ Paragraph & back = paragraphs.back();
+ for (pos_type tmppos = back.size() - 1; tmppos >= end; --tmppos)
+ back.erase(tmppos);
+
+ // Cut out the begin of the first paragraph
+ Paragraph & front = paragraphs.front();
+ for (pos_type tmppos = start; tmppos; --tmppos)
+ front.erase(0);
+
+ return true;
}
-bool CutAndPaste::pasteSelection(LyXParagraph ** par, LyXParagraph ** endpar,
- int & pos, char tc)
+pair<PitPosPair, ParagraphList::iterator>
+CutAndPaste::pasteSelection(ParagraphList & pars,
+ ParagraphList::iterator pit, int pos,
+ textclass_type tc)
{
- if (!checkPastePossible(*par, pos))
- return false;
-
- if (pos > (*par)->Last())
- pos = (*par)->Last();
-
- LyXParagraph * tmpbuf;
- LyXParagraph * tmppar = *par;
- int tmppos = pos;
-
- // There are two cases: cutbuffer only one paragraph or many
- if (!buf->next) {
- // only within a paragraph
- tmpbuf = buf->Clone();
- /* table stuff -- begin */
- bool table_too_small = false;
- if ((*par)->table) {
- while (buf->size() && !table_too_small) {
- if (buf->IsNewline(0)){
- while((tmppos < tmppar->Last()) &&
- !tmppar->IsNewline(tmppos))
- ++tmppos;
- buf->Erase(0);
- if (tmppos < tmppar->Last())
- ++tmppos;
- else
- table_too_small = true;
- } else {
- // 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(0);
- buf->Erase(0);
- if (tmppar->InsertFromMinibuffer(tmppos))
- ++tmppos;
- }
- }
- }
- } else {
- /* table stuff -- end */
- // 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(0);
- buf->Erase(0);
- if (tmppar->InsertFromMinibuffer(tmppos))
- ++tmppos;
- }
- }
- }
- delete buf;
- buf = tmpbuf;
- *endpar = tmppar->Next();
- pos = tmppos;
- } else {
- // many paragraphs
+ if (!checkPastePossible())
+ return pair<PitPosPair,ParagraphList::iterator>
+ (PitPosPair(pit, pos), pit);
+
+ lyx::Assert (pos <= pit->size());
// make a copy of the simple cut_buffer
- tmpbuf = buf;
- LyXParagraph * simple_cut_clone = tmpbuf->Clone();
- LyXParagraph * tmpbuf2 = simple_cut_clone;
- if ((*par)->footnoteflag){
- tmpbuf->footnoteflag = (*par)->footnoteflag;
- tmpbuf->footnotekind = (*par)->footnotekind;
- }
- while (tmpbuf->next) {
- tmpbuf = tmpbuf->next;
- tmpbuf2->next = tmpbuf->Clone();
- tmpbuf2->next->previous = tmpbuf2;
- tmpbuf2 = tmpbuf2->next;
- if ((*par)->footnoteflag){
- tmpbuf->footnoteflag = (*par)->footnoteflag;
- tmpbuf->footnotekind = (*par)->footnotekind;
- }
+#if 1
+ ParagraphList simple_cut_clone;
+ ParagraphList::iterator it = paragraphs.begin();
+ ParagraphList::iterator end = paragraphs.end();
+ for (; it != end; ++it) {
+ simple_cut_clone.push_back(new Paragraph(*it, false));
}
-
+#else
+ // Later we want it done like this:
+ ParagraphList simple_cut_clone(paragraphs.begin(),
+ paragraphs.end());
+#endif
+ // now remove all out of the buffer which is NOT allowed in the
+ // new environment and set also another font if that is required
+ ParagraphList::iterator tmpbuf = paragraphs.begin();
+ int depth_delta = pit->params().depth() - tmpbuf->params().depth();
+ // Temporary set *par as previous of tmpbuf as we might have
+ // to realize the font.
+ tmpbuf->previous(&*pit);
+
// make sure there is no class difference
- SwitchLayoutsBetweenClasses(textclass, tc, buf);
-
+#warning current_view used here
+ SwitchLayoutsBetweenClasses(textclass, tc, &*tmpbuf,
+ current_view->buffer()->params);
+
+ Paragraph::depth_type max_depth = pit->getMaxDepthAfter();
+
+ for (; tmpbuf != paragraphs.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->previous() != pit)
+ 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 {
+ LyXFont f1 = tmpbuf->getFont(current_view->buffer()->params, i, outerFont(tmpbuf, pars));
+ LyXFont f2 = f1;
+ if (!pit->checkInsertChar(f1)) {
+ tmpbuf->erase(i--);
+ } else if (f1 != f2) {
+ tmpbuf->setFont(i, f1);
+ }
+ }
+ }
+ }
+
+ // now reset it to 0
+ paragraphs.begin()->previous(0);
+
// make the buf exactly the same layout than
// the cursor paragraph
- buf->MakeSameLayout(*par);
-
+ paragraphs.begin()->makeSameLayout(*pit);
+
// find the end of the buffer
- LyXParagraph * lastbuffer = buf;
- while (lastbuffer->Next())
- lastbuffer = lastbuffer->Next();
-
+ // FIXME: change this to end() - 1
+ ParagraphList::iterator lastbuffer = paragraphs.begin();
+ while (boost::next(lastbuffer) != paragraphs.end())
+ ++lastbuffer;
+
bool paste_the_end = false;
-
+
// open the paragraph for inserting the buf
// if necessary
- if (((*par)->Last() > pos) || !(*par)->Next()) {
- (*par)->BreakParagraphConservative(pos);
- paste_the_end = true;
+ if (pit->size() > pos || !pit->next()) {
+ breakParagraphConservative(current_view->buffer()->params,
+ pars, &*pit, pos);
+ paste_the_end = true;
}
-
// set the end for redoing later
- *endpar = (*par)->ParFromPos(pos)->next->Next();
-
+ ParagraphList::iterator endpit = boost::next(boost::next(pit));
+
// paste it!
- lastbuffer->ParFromPos(lastbuffer->Last())->next =
- (*par)->ParFromPos(pos)->next;
- (*par)->ParFromPos(pos)->next->previous =
- lastbuffer->ParFromPos(lastbuffer->Last());
-
- (*par)->ParFromPos(pos)->next = buf;
- buf->previous = (*par)->ParFromPos(pos);
-
- if ((*par)->ParFromPos(pos)->Next() == lastbuffer)
- lastbuffer = *par;
-
- (*par)->ParFromPos(pos)->PasteParagraph();
-
+ lastbuffer->next(pit->next());
+ pit->next()->previous(&*lastbuffer);
+
+ pit->next(&*paragraphs.begin());
+ paragraphs.begin()->previous(&*pit);
+
+ if (boost::next(pit) == lastbuffer)
+ lastbuffer = pit;
+
+ mergeParagraph(current_view->buffer()->params, pars, pit);
// store the new cursor position
- *par = lastbuffer;
- pos = lastbuffer->Last();
-
+ pit = lastbuffer;
+ pos = lastbuffer->size();
// maybe some pasting
- if (lastbuffer->Next() && paste_the_end) {
- if (lastbuffer->Next()->HasSameLayout(lastbuffer)) {
- lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph();
- } else if (!lastbuffer->Next()->Last()) {
- lastbuffer->Next()->MakeSameLayout(lastbuffer);
- lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph();
- } else if (!lastbuffer->Last()) {
- lastbuffer->MakeSameLayout(lastbuffer->next);
- lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph();
- } else
- lastbuffer->Next()->ClearParagraph();
+ if (boost::next(lastbuffer) != paragraphs.end() && paste_the_end) {
+ if (boost::next(lastbuffer)->hasSameLayout(*lastbuffer)) {
+ mergeParagraph(current_view->buffer()->params, pars,
+ lastbuffer);
+ } else if (!boost::next(lastbuffer)->size()) {
+ boost::next(lastbuffer)->makeSameLayout(*lastbuffer);
+ mergeParagraph(current_view->buffer()->params, pars,
+ lastbuffer);
+ } else if (!lastbuffer->size()) {
+ lastbuffer->makeSameLayout(*boost::next(lastbuffer));
+ mergeParagraph(current_view->buffer()->params, pars,
+ lastbuffer);
+ } else
+ boost::next(lastbuffer)->stripLeadingSpaces();
}
// restore the simple cut buffer
- buf = simple_cut_clone;
- }
+ paragraphs = simple_cut_clone;
- return true;
+ return pair<PitPosPair,ParagraphList::iterator> (PitPosPair(pit, pos),
+ endpit);
}
-int CutAndPaste::nrOfParagraphs() const
+int CutAndPaste::nrOfParagraphs()
{
- if (!buf) return 0;
-
- int n = 1;
- LyXParagraph * tmppar = buf;
- while(tmppar->next) {
- ++n;
- tmppar = tmppar->next;
- }
- return n;
+ return paragraphs.size();
}
-int CutAndPaste::SwitchLayoutsBetweenClasses(LyXTextClassList::size_type c1,
- LyXTextClassList::size_type c2,
- LyXParagraph * par)
+int CutAndPaste::SwitchLayoutsBetweenClasses(textclass_type c1,
+ textclass_type c2,
+ Paragraph * par,
+ BufferParams const & /*bparams*/)
{
- int ret = 0;
- if (!par || c1 == c2)
- return ret;
- par = par->FirstPhysicalPar();
- while (par) {
- string 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 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->InsertChar(0, LyXParagraph::META_INSET);
- par->InsertInset(0, new_inset);
+ int ret = 0;
+ if (!par || c1 == c2)
+ return ret;
+
+ LyXTextClass const & tclass1 = textclasslist[c1];
+ LyXTextClass const & tclass2 = textclasslist[c2];
+ ParIterator end = ParIterator();
+ for (ParIterator it = ParIterator(par); it != end; ++it) {
+ par = *it;
+ string const name = par->layout()->name();
+ bool hasLayout = tclass2.hasLayout(name);
+
+ if (hasLayout)
+ par->layout(tclass2[name]);
+ else
+ par->layout(tclass2.defaultLayout());
+
+ if (!hasLayout && name != tclass1.defaultLayoutName()) {
+ ++ret;
+#if USE_BOOST_FORMAT
+ boost::format fmt(_("Layout had to be changed from\n"
+ "%1$s to %2$s\n"
+ "because of class conversion from\n"
+ "%3$s to %4$s"));
+ fmt % name
+ % par->layout()->name()
+ % tclass1.name()
+ % tclass2.name();
+
+ string const s = fmt.str();
+#else
+ string const s = _("Layout had to be changed from\n")
+ + name + _(" to ")
+ + par->layout()->name()
+ + _("\nbecause of class conversion from\n")
+ + tclass1.name() + _(" to ")
+ + tclass2.name();
+#endif
+ freezeUndo();
+ InsetError * new_inset = new InsetError(s);
+ LyXText * txt = current_view->getLyXText();
+ LyXCursor cur = txt->cursor;
+ txt->setCursorIntern(par, 0);
+ txt->insertInset(new_inset);
+ txt->fullRebreak();
+ txt->setCursorIntern(cur.par(), cur.pos());
+ unFreezeUndo();
+ }
}
-
- par = par->next;
- }
- return ret;
+ return ret;
}
-bool CutAndPaste::checkPastePossible(LyXParagraph * par, int) const
+bool CutAndPaste::checkPastePossible()
{
- if (!buf) return false;
-
- LyXParagraph * tmppar;
-
- // be carefull with footnotes in footnotes
- if (par->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
- // check whether the cut_buffer includes a footnote
- tmppar = buf;
- while (tmppar && tmppar->footnoteflag == LyXParagraph::NO_FOOTNOTE)
- tmppar = tmppar->next;
-
- if (tmppar) {
- WriteAlert(_("Impossible operation"),
- _("Can't paste float into float!"),
- _("Sorry."));
- return false;
- }
- }
- /* table stuff -- begin */
- if (par->table) {
- if (buf->next) {
- WriteAlert(_("Impossible operation"),
- _("Table cell cannot include more than one paragraph!"),
- _("Sorry."));
- return false;
- }
- }
- /* table stuff -- end */
- return true;
+ return !paragraphs.empty();
}
projects / lyx.git / blobdiff