/* This file is part of
* ======================================================
- *
+ *
* LyX, The Document Processor
- *
+ *
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include "CutAndPaste.h"
#include "BufferView.h"
#include "buffer.h"
-#include "lyxparagraph.h"
-#include "insets/inseterror.h"
-#include "lyx_gui_misc.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"
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include "insets/inseterror.h"
+
+#include "BoostFormat.h"
+using std::endl;
using std::pair;
+using lyx::pos_type;
+using lyx::textclass_type;
extern BufferView * current_view;
// 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
namespace {
-LyXParagraph * buf = 0;
-LyXTextClassList::size_type textclass = 0;
-
-// 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;
-
- LyXParagraph * tmppar;
-
- while (buf) {
- tmppar = buf;
- buf = buf->next();
- delete tmppar;
- }
- buf = 0;
-}
+// FIXME: stupid name
+ParagraphList paragraphs;
+textclass_type textclass = 0;
} // namespace anon
-bool CutAndPaste::cutSelection(LyXParagraph * startpar, LyXParagraph ** endpar,
- int start, int & end, char tc, bool doclear)
+bool CutAndPaste::cutSelection(Paragraph * startpar, Paragraph ** endpar,
+ int start, int & end, textclass_type tc,
+ bool doclear, bool realcut)
{
if (!startpar || (start > startpar->size()))
return false;
-
- DeleteBuffer();
-
- textclass = tc;
-
- if (!(*endpar) ||
- startpar == (*endpar)) {
- // only within one paragraph
- buf = new LyXParagraph;
- LyXParagraph::size_type i = start;
- if (end > startpar->size())
- end = startpar->size();
- for (; i < end; ++i) {
- startpar->CopyIntoMinibuffer(*current_view->buffer(),
- start);
- startpar->Erase(start);
-
- buf->InsertFromMinibuffer(buf->size());
+
+ if (realcut) {
+ copySelection(startpar, *endpar, start, end, tc);
+ }
+
+ if (!endpar || startpar == *endpar) {
+ if (startpar->erase(start, end)) {
+ // Some chars were erased, go to start to be safe
+ end = start;
}
- end = start - 1;
- } else {
- // more than one paragraph
- (*endpar)->BreakParagraphConservative(current_view->buffer()->params,
- end);
- *endpar = (*endpar)->next();
+ return true;
+ }
+
+ bool actually_erased = false;
+
+ // clear end/begin fragments of the first/last par in selection
+ actually_erased |= (startpar)->erase(start, startpar->size());
+ if ((*endpar)->erase(0, end)) {
+ actually_erased = true;
end = 0;
-
- startpar->BreakParagraphConservative(current_view->buffer()->params,
- start);
-
- // store the selection
- buf = startpar->next();
-
- buf->previous(0);
- (*endpar)->previous()->next(0);
-
- // cut the selection
- startpar->next(*endpar);
-
- (*endpar)->previous(startpar);
-
- // the cut selection should begin with standard layout
- 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!
+ }
+
+ // Loop through the deleted pars if any, erasing as needed
+
+ Paragraph * pit = startpar->next();
+
+ while (true) {
+ // *endpar can be 0
+ if (!pit)
+ break;
+
+ Paragraph * next = pit->next();
+
+ // "erase" the contents of the par
+ if (pit != *endpar) {
+ actually_erased |= pit->erase(0, pit->size());
+
+ // remove the par if it's now empty
+ if (actually_erased) {
+ pit->previous()->next(pit->next());
+ if (next) {
+ next->previous(pit->previous());
+ }
+
+ delete pit;
+ }
}
+
+ if (pit == *endpar)
+ break;
+
+ 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 (!startpar->next())
+ return true;
+
+ Buffer * buffer = current_view->buffer();
+
+ if (doclear) {
+ startpar->next()->stripLeadingSpaces();
+ }
+
+ if (!actually_erased)
+ return true;
+
+ // paste the paragraphs again, if possible
+ if (startpar->hasSameLayout(startpar->next()) ||
+ startpar->next()->empty()) {
+#warning This is suspect. (Lgb)
+ // When doing this merge we must know if the par really
+ // belongs to an inset, and if it does then we have to use
+ // the insets paragraphs, and not the buffers. (Lgb)
+ mergeParagraph(buffer->params, buffer->paragraphs, startpar);
+ // this because endpar gets deleted here!
+ (*endpar) = startpar;
+ }
+
return true;
}
-bool CutAndPaste::copySelection(LyXParagraph * startpar, LyXParagraph * endpar,
- int start, int end, char tc)
+bool CutAndPaste::copySelection(Paragraph * startpar, Paragraph * endpar,
+ int start, int end, textclass_type tc)
{
if (!startpar || (start > startpar->size()))
return false;
-
- DeleteBuffer();
-
+
+ paragraphs.clear();
+
textclass = tc;
-
- if (!endpar ||
- startpar == endpar) {
+
+ if (!endpar || startpar == endpar) {
// only within one paragraph
- buf = new LyXParagraph;
- LyXParagraph::size_type i = start;
+ ParagraphList::iterator buf =
+ paragraphs.insert(paragraphs.begin(), new Paragraph);
+
+ buf->layout(startpar->layout());
+ 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());
+ startpar->copyIntoMinibuffer(*current_view->buffer(), i);
+ buf->insertFromMinibuffer(buf->size());
}
} else {
// copy more than one paragraph
// clone the paragraphs within the selection
- LyXParagraph * tmppar = startpar;
- buf = new LyXParagraph(*tmppar);
- LyXParagraph * tmppar2 = buf;
-
- while (tmppar != endpar
- && tmppar->next()) {
+ Paragraph * tmppar = startpar;
+
+ while (tmppar != endpar) {
+ Paragraph * newpar = new Paragraph(*tmppar, false);
+ // reset change info
+ newpar->cleanChanges();
+ newpar->setInsetOwner(0);
+
+ paragraphs.push_back(newpar);
tmppar = tmppar->next();
- tmppar2->next(new LyXParagraph(*tmppar));
- tmppar2->next()->previous(tmppar2);
- tmppar2 = tmppar2->next();
}
- tmppar2->next(0);
-
- // the buf paragraph is too big
- LyXParagraph::size_type tmpi2 = start;
+
+ // The first paragraph is too big.
+ Paragraph & front = paragraphs.front();
+ pos_type tmpi2 = start;
for (; tmpi2; --tmpi2)
- buf->Erase(0);
-
- // now tmppar 2 is too big, delete all after end
+ front.erase(0);
+
+ // Now last paragraph is too big, delete all after end.
+ Paragraph & back = paragraphs.back();
tmpi2 = end;
- while (tmppar2->size() > tmpi2) {
- tmppar2->Erase(tmppar2->size() - 1);
+ while (back.size() > tmpi2) {
+ back.erase(back.size() - 1);
}
}
return true;
}
-bool CutAndPaste::pasteSelection(LyXParagraph ** par, LyXParagraph ** endpar,
- int & pos, char tc)
+bool CutAndPaste::pasteSelection(Paragraph ** par, Paragraph ** endpar,
+ int & pos, textclass_type tc)
{
- if (!checkPastePossible(*par))
+ if (!checkPastePossible())
return false;
-
+
if (pos > (*par)->size())
pos = (*par)->size();
+
+ // many paragraphs
- // LyXParagraph * tmpbuf;
- LyXParagraph * tmppar = *par;
- int tmppos = pos;
+ // make a copy of the simple cut_buffer
+#if 1
+ ParagraphList::iterator it = paragraphs.begin();
- // There are two cases: cutbuffer only one paragraph or many
- if (!buf->next()) {
- // only within a paragraph
- LyXParagraph * tmpbuf = new LyXParagraph(*buf);
-
- // 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);
+ ParagraphList simple_cut_clone;
+ simple_cut_clone.insert(simple_cut_clone.begin(),
+ new Paragraph(*it, false));
+
+ ParagraphList::iterator end = paragraphs.end();
+ while (boost::next(it) != end) {
+ ++it;
+ simple_cut_clone.insert(simple_cut_clone.end(),
+ 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 = (*par)->params().depth() - tmpbuf->params().depth();
+ // Temporary set *par as previous of tmpbuf as we might have
+ // to realize the font.
+ tmpbuf->previous(*par);
+
+ // make sure there is no class difference
+ SwitchLayoutsBetweenClasses(textclass, tc, &*tmpbuf,
+ current_view->buffer()->params);
+
+ Paragraph::depth_type max_depth = (*par)->getMaxDepthAfter();
+
+ while (tmpbuf != paragraphs.end()) {
+ // 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 *par
+ if (tmpbuf->previous() != (*par))
+ max_depth = tmpbuf->getMaxDepthAfter();
+ // set the inset owner of this paragraph
+ tmpbuf->setInsetOwner((*par)->inInset());
+ 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 {
- buf->CutIntoMinibuffer(current_view->buffer()->params, 0);
- buf->Erase(0);
- if (tmppar->InsertFromMinibuffer(tmppos))
- ++tmppos;
+ 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);
+ }
}
}
- delete buf;
- buf = tmpbuf;
- *endpar = tmppar->next();
- pos = tmppos;
- } else {
- // many paragraphs
-
- // make a copy of the simple cut_buffer
- LyXParagraph * tmpbuf = buf;
- LyXParagraph * simple_cut_clone = new LyXParagraph(*tmpbuf);
- LyXParagraph * tmpbuf2 = simple_cut_clone;
-
- while (tmpbuf->next()) {
- tmpbuf = tmpbuf->next();
- tmpbuf2->next(new LyXParagraph(*tmpbuf));
- 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
- LyXParagraph * 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;
+ tmpbuf = tmpbuf->next();
+ }
+
+ // now reset it to 0
+ paragraphs.begin()->previous(0);
+
+ // make the buf exactly the same layout than
+ // the cursor paragraph
+ paragraphs.begin()->makeSameLayout(*par);
+
+ // find the end of the buffer
+ 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)->size() > pos) || !(*par)->next()) {
+ breakParagraphConservative(
+ current_view->buffer()->params, current_view->buffer()->paragraphs, *par, 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(&*paragraphs.begin());
+ paragraphs.begin()->previous(*par);
+
+ if ((*par)->next() == lastbuffer)
+ lastbuffer = *par;
+
+ mergeParagraph(current_view->buffer()->params,
+ current_view->buffer()->paragraphs, *par);
+ // store the new cursor position
+ *par = &*lastbuffer;
+ pos = lastbuffer->size();
+ // maybe some pasting
+ if (lastbuffer->next() && paste_the_end) {
+ if (lastbuffer->next()->hasSameLayout(&*lastbuffer)) {
+ mergeParagraph(current_view->buffer()->params,
+ current_view->buffer()->paragraphs, lastbuffer);
+ } else if (!lastbuffer->next()->size()) {
+ lastbuffer->next()->makeSameLayout(&*lastbuffer);
+ mergeParagraph(current_view->buffer()->params, current_view->buffer()->paragraphs, lastbuffer);
+ } else if (!lastbuffer->size()) {
+ lastbuffer->makeSameLayout(lastbuffer->next());
+ mergeParagraph(current_view->buffer()->params,
+ current_view->buffer()->paragraphs, lastbuffer);
+ } else
+ lastbuffer->next()->stripLeadingSpaces();
}
+ // restore the simple cut buffer
+ paragraphs = simple_cut_clone;
return true;
}
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)
+ 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)) {
+ 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 ")
- + textclasslist.NameOfLayout(c2, par->layout)
+ + par->layout()->name()
+ _("\nbecause of class conversion from\n")
- + textclasslist.NameOfClass(c1) + _(" to ")
- + textclasslist.NameOfClass(c2);
+ + tclass1.name() + _(" to ")
+ + tclass2.name();
+#endif
+ freezeUndo();
InsetError * new_inset = new InsetError(s);
- par->InsertInset(0, new_inset);
+ LyXText * txt = current_view->getLyXText();
+ LyXCursor cur = txt->cursor;
+ txt->setCursorIntern(current_view, par, 0);
+ txt->insertInset(current_view, new_inset);
+ txt->fullRebreak(current_view);
+ txt->setCursorIntern(current_view, cur.par(), cur.pos());
+ unFreezeUndo();
}
- par = par->next();
- }
- return ret;
+ }
+ return ret;
}
-bool CutAndPaste::checkPastePossible(LyXParagraph *)
+bool CutAndPaste::checkPastePossible()
{
- if (!buf) return false;
-
- return true;
+ return !paragraphs.empty();
}
projects / lyx.git / blobdiff