*
* LyX, The Document Processor
*
- * Copyright 1995-2000 The LyX Team.
+ * Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include "CutAndPaste.h"
#include "BufferView.h"
#include "buffer.h"
-#include "lyxparagraph.h"
+#include "paragraph.h"
#include "insets/inseterror.h"
#include "lyx_gui_misc.h"
#include "lyxcursor.h"
+#include "gettext.h"
#ifdef __GNUG__
#pragma implementation
// 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 {
+
+Paragraph * 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)
-static
void DeleteBuffer()
{
- if (!buf)
- return;
+ if (!buf)
+ return;
- LyXParagraph * tmppar;
+ Paragraph * tmppar;
- while (buf) {
- tmppar = buf;
- buf = buf->next;
- delete tmppar;
- }
- buf = 0;
+ while (buf) {
+ tmppar = buf;
+ buf = buf->next();
+ delete tmppar;
+ }
+ buf = 0;
}
+} // namespace anon
-bool CutAndPaste::cutSelection(LyXParagraph * startpar, LyXParagraph ** endpar,
- int start, int & end, char tc, 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(current_view->buffer()->params,
- start);
-#ifndef NEW_TABULAR
- /* table stuff -- begin */
- if (startpar->table && startpar->IsNewline(start)) {
- ++start;
- } else {
- /* table stuff -- end */
-#endif
- startpar->Erase(start);
-#ifndef NEW_TABULAR
- }
-#endif
- buf->InsertFromMinibuffer(buf->Last());
- }
- } 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
- buf = startpar->ParFromPos(start)->next;
- buf->previous = 0;
- (*endpar)->previous->next = 0;
- // cut the selection
- startpar->ParFromPos(start)->next = (*endpar);
+bool CutAndPaste::cutSelection(Paragraph * startpar, Paragraph ** endpar,
+ int start, int & end, char tc, bool doclear,
+ bool realcut)
+{
+ if (!startpar || (start > startpar->size()))
+ return false;
- (*endpar)->previous = startpar->ParFromPos(start);
-
- // care about footnotes
- if (buf->footnoteflag) {
- LyXParagraph * tmppar = buf;
- while (tmppar){
- tmppar->footnoteflag = LyXParagraph::NO_FOOTNOTE;
- tmppar = tmppar->next;
- }
- }
-
- // the cut selection should begin with standard layout
- buf->Clear();
-
- // paste the paragraphs again, if possible
- if (doclear)
- startpar->Next()->StripLeadingSpaces(textclass);
- if (startpar->FirstPhysicalPar()->HasSameLayout(startpar->Next()) ||
- !startpar->Next()->Last()) {
- startpar->ParFromPos(start)->PasteParagraph(current_view->buffer()->params);
- (*endpar) = startpar; // this because endpar gets deleted here!
+ if (realcut)
+ DeleteBuffer();
+
+ textclass = tc;
+
+ if (!(*endpar) || startpar == (*endpar)) {
+ // only within one paragraph
+ if (realcut)
+ buf = new Paragraph;
+ Paragraph::size_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!
+ }
}
- }
- return true;
+ return true;
}
-bool CutAndPaste::copySelection(LyXParagraph * startpar, LyXParagraph * endpar,
+bool CutAndPaste::copySelection(Paragraph * startpar, Paragraph * endpar,
int start, int end, char 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(current_view->buffer()->params, 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;
- }
- }
+ if (!startpar || (start > startpar->size()))
+ return false;
- // the buf paragraph is too big
- LyXParagraph::size_type tmpi2 = startpar->PositionInParFromPos(start);
- for (; tmpi2; --tmpi2)
- buf->Erase(0);
+ DeleteBuffer();
- // now tmppar 2 is too big, delete all after end
+ textclass = tc;
- tmpi2 = endpar->PositionInParFromPos(end);
- while (tmppar2->size() > tmpi2) {
- tmppar2->Erase(tmppar2->size() - 1);
- }
- }
- return true;
-}
-
-
-bool CutAndPaste::pasteSelection(LyXParagraph ** par, LyXParagraph ** endpar,
- int & pos, char 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();
-#ifndef NEW_TABULAR
- /* 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(current_view->buffer()->params, 0);
- buf->Erase(0);
- if (tmppar->InsertFromMinibuffer(tmppos))
- ++tmppos;
- }
+ if (!endpar ||
+ startpar == endpar) {
+ // only within one paragraph
+ buf = new Paragraph;
+ Paragraph::size_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 {
- /* table stuff -- end */
-#endif
- // 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;
+ // copy more than one paragraph
+ // clone the paragraphs within the selection
+ Paragraph * tmppar = startpar;
+ buf = new Paragraph(*tmppar);
+ Paragraph * tmppar2 = buf;
+
+ while (tmppar != endpar
+ && tmppar->next()) {
+ tmppar = tmppar->next();
+ tmppar2->next(new Paragraph(*tmppar));
+ tmppar2->next()->previous(tmppar2);
+ tmppar2 = tmppar2->next();
+ }
+ tmppar2->next(0);
+
+ // the buf paragraph is too big
+ Paragraph::size_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);
}
- }
-#ifndef NEW_TABULAR
}
-#endif
- delete buf;
- buf = tmpbuf;
- *endpar = tmppar->Next();
- pos = tmppos;
- } else {
- // many paragraphs
+ return true;
+}
- // 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;
- }
- }
-
- // 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);
+
+bool CutAndPaste::pasteSelection(Paragraph ** par, Paragraph ** endpar,
+ int & pos, char tc)
+{
+ if (!checkPastePossible(*par))
+ return false;
- // find the end of the buffer
- LyXParagraph * lastbuffer = buf;
- while (lastbuffer->Next())
- lastbuffer = lastbuffer->Next();
+ if (pos > (*par)->size())
+ pos = (*par)->size();
- bool paste_the_end = false;
+ // Paragraph * tmpbuf;
+ Paragraph * tmppar = *par;
+ int tmppos = pos;
- // open the paragraph for inserting the buf
- // if necessary
- if (((*par)->Last() > pos) || !(*par)->Next()) {
- (*par)->BreakParagraphConservative(current_view->buffer()->params,
- pos);
- paste_the_end = true;
+ // There are two cases: cutbuffer only one paragraph or many
+ if (!buf->next()) {
+ // only within a paragraph
+ Paragraph * tmpbuf = new Paragraph(*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);
+ } else {
+ buf->cutIntoMinibuffer(current_view->buffer()->params, 0);
+ buf->erase(0);
+ if (tmppar->insertFromMinibuffer(tmppos))
+ ++tmppos;
+ }
+ }
+ 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);
+ Paragraph * tmpbuf2 = simple_cut_clone;
+
+ while (tmpbuf->next()) {
+ tmpbuf = tmpbuf->next();
+ tmpbuf2->next(new Paragraph(*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
+ 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;
}
- // set the end for redoing later
- *endpar = (*par)->ParFromPos(pos)->next->Next();
-
- // 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(current_view->buffer()->params);
-
- // store the new cursor position
- *par = lastbuffer;
- pos = lastbuffer->Last();
-
- // maybe some pasting
- if (lastbuffer->Next() && paste_the_end) {
- if (lastbuffer->Next()->HasSameLayout(lastbuffer)) {
- lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph(current_view->buffer()->params);
- } else if (!lastbuffer->Next()->Last()) {
- lastbuffer->Next()->MakeSameLayout(lastbuffer);
- lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph(current_view->buffer()->params);
- } else if (!lastbuffer->Last()) {
- lastbuffer->MakeSameLayout(lastbuffer->next);
- lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph(current_view->buffer()->params);
- } else
- lastbuffer->Next()->StripLeadingSpaces(tc);
- }
- // restore the simple cut buffer
- buf = simple_cut_clone;
- }
-
- return true;
+ return true;
}
-int CutAndPaste::nrOfParagraphs() const
+int CutAndPaste::nrOfParagraphs()
{
- if (!buf) return 0;
-
+ if (!buf)
+ return 0;
+
int n = 1;
- LyXParagraph * tmppar = buf;
- while(tmppar->next) {
+ Paragraph * tmppar = buf;
+ while(tmppar->next()) {
++n;
- tmppar = tmppar->next;
+ tmppar = tmppar->next();
}
return n;
}
int CutAndPaste::SwitchLayoutsBetweenClasses(LyXTextClassList::size_type c1,
LyXTextClassList::size_type c2,
- LyXParagraph * par)
+ Paragraph * par)
{
- 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;
+ int ret = 0;
+ if (!par || c1 == c2)
+ return ret;
- 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->InsertInset(0, new_inset);
+ 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();
}
-
- par = par->next;
- }
- return ret;
+ return ret;
}
-bool CutAndPaste::checkPastePossible(LyXParagraph * par, int) const
+bool CutAndPaste::checkPastePossible(Paragraph *)
{
- 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;
- }
- }
-#ifndef NEW_TABULAR
- /* 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 */
-#endif
- return true;
+ if (!buf) return false;
+
+ return true;
}