mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-09-21 15:18:45 +00:00
76d84c61fd
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6877 a592a061-630c-0410-9148-cb99ea01b6c8
416 lines
12 KiB
C
416 lines
12 KiB
C
/* This file is part of
|
|
* ======================================================
|
|
*
|
|
* LyX, The Document Processor
|
|
*
|
|
* Copyright 1995-2001 The LyX Team.
|
|
*
|
|
* ====================================================== */
|
|
|
|
#include <config.h>
|
|
|
|
#include "CutAndPaste.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 "support/BoostFormat.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 {
|
|
// 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 {
|
|
|
|
// FIXME: stupid name
|
|
ParagraphList paragraphs;
|
|
textclass_type textclass = 0;
|
|
|
|
} // namespace anon
|
|
|
|
typedef std::pair<ParagraphList::iterator, int> pitPosPair;
|
|
|
|
pitPosPair CutAndPaste::cutSelection(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(pars, startpit, endpit, startpos,
|
|
endpos, doclear);
|
|
}
|
|
|
|
|
|
pitPosPair CutAndPaste::eraseSelection(ParagraphList & pars,
|
|
ParagraphList::iterator startpit,
|
|
ParagraphList::iterator endpit,
|
|
int startpos, int endpos, bool doclear)
|
|
{
|
|
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);
|
|
}
|
|
|
|
// 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())) {
|
|
#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(Paragraph * startpar, Paragraph * endpar,
|
|
int start, int end, textclass_type tc)
|
|
{
|
|
if (!startpar || (start > startpar->size()))
|
|
return false;
|
|
|
|
paragraphs.clear();
|
|
|
|
textclass = tc;
|
|
|
|
if (!endpar || startpar == endpar) {
|
|
// only within one paragraph
|
|
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());
|
|
}
|
|
} else {
|
|
// copy more than one paragraph
|
|
// clone the paragraphs within the selection
|
|
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();
|
|
}
|
|
|
|
// The first paragraph is too big.
|
|
Paragraph & front = paragraphs.front();
|
|
pos_type tmpi2 = start;
|
|
for (; tmpi2; --tmpi2)
|
|
front.erase(0);
|
|
|
|
// Now last paragraph is too big, delete all after end.
|
|
Paragraph & back = paragraphs.back();
|
|
tmpi2 = end;
|
|
while (back.size() > tmpi2) {
|
|
back.erase(back.size() - 1);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
bool CutAndPaste::pasteSelection(Paragraph ** par, Paragraph ** endpar,
|
|
int & pos, textclass_type tc)
|
|
{
|
|
if (!checkPastePossible())
|
|
return false;
|
|
|
|
if (pos > (*par)->size())
|
|
pos = (*par)->size();
|
|
|
|
// many paragraphs
|
|
|
|
// make a copy of the simple cut_buffer
|
|
#if 1
|
|
ParagraphList::iterator it = paragraphs.begin();
|
|
|
|
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 {
|
|
LyXFont f1 = tmpbuf->getFont(current_view->buffer()->params, i, outerFont(tmpbuf, current_view->buffer()->paragraphs));
|
|
LyXFont f2 = f1;
|
|
if (!(*par)->checkInsertChar(f1)) {
|
|
tmpbuf->erase(i--);
|
|
} else if (f1 != f2) {
|
|
tmpbuf->setFont(i, f1);
|
|
}
|
|
}
|
|
}
|
|
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()
|
|
{
|
|
return paragraphs.size();
|
|
}
|
|
|
|
|
|
int CutAndPaste::SwitchLayoutsBetweenClasses(textclass_type c1,
|
|
textclass_type c2,
|
|
Paragraph * par,
|
|
BufferParams const & /*bparams*/)
|
|
{
|
|
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();
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
bool CutAndPaste::checkPastePossible()
|
|
{
|
|
return !paragraphs.empty();
|
|
}
|