]> git.lyx.org Git - lyx.git/blobdiff - src/CutAndPaste.cpp
Provide proper fallback if a bibliography processor is not found
[lyx.git] / src / CutAndPaste.cpp
index 17dbdc626e1aa84f45e07e8f0f932eafecb33921..8941efe71e5c8b431f80f78525691a0a24c39c7f 100644 (file)
@@ -40,6 +40,7 @@
 
 #include "insets/InsetBibitem.h"
 #include "insets/InsetBranch.h"
+#include "insets/InsetCitation.h"
 #include "insets/InsetCommand.h"
 #include "insets/InsetFlex.h"
 #include "insets/InsetGraphics.h"
@@ -141,6 +142,14 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
        // Now remove all out of the pars which is NOT allowed in the
        // new environment and set also another font if that is required.
 
+       // Merge paragraphs that are to be pasted into a text inset
+       // that does not allow multiple pars.
+       InsetText * inset_text = target_inset->asInsetText();
+       if (inset_text && !inset_text->allowMultiPar()) {
+               while (insertion.size() > 1)
+                       mergeParagraph(buffer.params(), insertion, 0);
+       }
+
        // Convert newline to paragraph break in ParbreakIsNewline
        if (target_inset->getLayout().parbreakIsNewline()
            || pars[pit].layout().parbreak_is_newline) {
@@ -159,6 +168,41 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
                }
        }
 
+       // Prevent to paste uncodable characters in verbatim and ERT.
+       // The encoding is inherited from the context here.
+       docstring uncodable_content;
+       if (target_inset->getLayout().isPassThru() && cur.getEncoding()) {
+               odocstringstream res;
+               Encoding const * e = cur.getEncoding();
+               for (size_t i = 0; i != insertion.size(); ++i) {
+                       pos_type end = insertion[i].size();
+                       for (pos_type j = 0; j != end; ++j) {
+                               // skip insets
+                               if (insertion[i].isInset(j))
+                                       continue;
+                               char_type const c = insertion[i].getChar(j);
+                               if (!e->encodable(c)) {
+                                       // do not track deletion
+                                       res.put(c);
+                                       insertion[i].eraseChar(j, false);
+                                       --end;
+                                       --j;
+                               }
+                       }
+               }
+               docstring const uncodable = res.str();
+               if (!uncodable.empty()) {
+                       if (uncodable.size() == 1)
+                               uncodable_content = bformat(_("The character \"%1$s\" is uncodable in this verbatim context "
+                                                     "and thus has not been pasted."),
+                                                   uncodable);
+                       else
+                               uncodable_content = bformat(_("The characters \"%1$s\" are uncodable in this verbatim context "
+                                                     "and thus have not been pasted."),
+                                                   uncodable);
+               }
+       }
+
        // set the paragraphs to plain layout if necessary
        DocumentClassConstPtr newDocClass = buffer.params().documentClassPtr();
        if (cur.inset().usePlainLayout()) {
@@ -194,6 +238,9 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
        // want to invalidate them.
        insertion.swap(in.paragraphs());
        cap::switchBetweenClasses(oldDocClass, newDocClass, in, errorlist);
+       // Do this here since switchBetweenClasses clears the errorlist
+       if (!uncodable_content.empty())
+               errorlist.push_back(ErrorItem(_("Uncodable content"), uncodable_content));
        insertion.swap(in.paragraphs());
 
        ParagraphList::iterator tmpbuf = insertion.begin();
@@ -243,7 +290,7 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
 
        InsetIterator const i_end = inset_iterator_end(in);
        for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
-               // Even though this will also be done later, it has to be done here 
+               // Even though this will also be done later, it has to be done here
                // since some inset might going to try to access
                // the buffer() member.
                it->setBuffer(const_cast<Buffer &>(buffer));
@@ -322,6 +369,16 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
                        break;
                }
 
+               case CITE_CODE: {
+                       InsetCitation & cit = static_cast<InsetCitation &>(*it);
+                       // This actually only needs to be done if the cite engine
+                       // differs, but we do it in general.
+                       cit.redoLabel();
+                       // We need to update the list of citations.
+                       need_update = true;
+                       break;
+               }
+
                case BIBITEM_CODE: {
                        // check for duplicates
                        InsetBibitem & bib = static_cast<InsetBibitem &>(*it);
@@ -471,7 +528,7 @@ PitPosPair eraseSelectionHelper(BufferParams const & params,
 
                // Separate handling of paragraph break:
                if (merge && pit != endpit &&
-                   (pit + 1 != endpit 
+                   (pit + 1 != endpit
                     || pars[pit].hasSameLayout(pars[endpit])
                     || pars[endpit].size() == endpos)) {
                        if (pit + 1 == endpit)
@@ -536,7 +593,7 @@ Buffer * copyToTempBuffer(ParagraphList const & paragraphs, DocumentClassConstPt
 }
 
 
-void putClipboard(ParagraphList const & paragraphs, 
+void putClipboard(ParagraphList const & paragraphs,
        DocumentClassConstPtr docclass, docstring const & plaintext)
 {
        Buffer * buffer = copyToTempBuffer(paragraphs, docclass);
@@ -636,7 +693,7 @@ void copySelectionHelper(Buffer const & buf, Text const & text,
                // latex_language. This is invalid for others, so we
                // need to change it to the buffer language.
                if (it->isPassThru())
-                       it->changeLanguage(buf.params(), 
+                       it->changeLanguage(buf.params(),
                                           latex_language, buf.language());
        }
 
@@ -659,9 +716,7 @@ void copySelectionHelper(Buffer const & buf, Text const & text,
        cutstack.push(make_pair(copy_pars, dc));
 }
 
-} // namespace anon
-
-
+} // namespace
 
 
 namespace cap {
@@ -705,11 +760,11 @@ bool reduceSelectionToOneCell(Cursor & cur)
        // the easy case: do nothing if only one cell is selected
        if (i1.idx() == i2.idx())
                return true;
-       
+
        cur.top().pos() = 0;
        cur.resetAnchor();
        cur.top().pos() = cur.top().lastpos();
-       
+
        return true;
 }
 
@@ -718,15 +773,15 @@ bool multipleCellsSelected(Cursor const & cur)
 {
        if (!cur.selection() || !cur.inMathed())
                return false;
-       
+
        CursorSlice i1 = cur.selBegin();
        CursorSlice i2 = cur.selEnd();
        if (!i1.inset().asInsetMath())
                return false;
-       
+
        if (i1.idx() == i2.idx())
                return false;
-       
+
        return true;
 }
 
@@ -739,7 +794,7 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
        LBUFERR(!in.paragraphs().empty());
        if (oldone == newone)
                return;
-       
+
        DocumentClass const & oldtc = *oldone;
        DocumentClass const & newtc = *newone;
 
@@ -772,17 +827,20 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
 
        // character styles and hidden table cells
        InsetIterator const i_end = inset_iterator_end(in);
-       for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
-               InsetCode const code = it->lyxCode();
+       for (InsetIterator iit = inset_iterator_begin(in); iit != i_end; ++iit) {
+               InsetCode const code = iit->lyxCode();
                if (code == FLEX_CODE) {
-                       // FIXME: Should we verify all InsetCollapsable?
-                       docstring const layoutName = it->layoutName();
+                       // FIXME: Should we verify all InsetCollapsible?
+                       docstring const layoutName = iit->layoutName();
                        docstring const & n = newone->insetLayout(layoutName).name();
                        bool const is_undefined = n.empty() ||
                                n == DocumentClass::plainInsetLayout().name();
-                       if (!is_undefined)
+                       docstring const & oldn = oldone->insetLayout(layoutName).name();
+                       bool const was_undefined = oldn.empty() ||
+                               oldn == DocumentClass::plainInsetLayout().name();
+                       if (!is_undefined || was_undefined)
                                continue;
-       
+
                        // The flex inset is undefined in newtc
                        docstring const oldname = from_utf8(oldtc.name());
                        docstring const newname = from_utf8(newtc.name());
@@ -797,14 +855,14 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
                        // To warn the user that something had to be done.
                        errorlist.push_back(ErrorItem(
                                                      _("Undefined flex inset"), s,
-                                                     {it.paragraph().id(), it.pos()},
-                                                     {it.paragraph().id(), it.pos()+1}));
+                                                     {iit.paragraph().id(), iit.pos()},
+                                                     {iit.paragraph().id(), iit.pos() + 1}));
                } else if (code == TABULAR_CODE) {
                        // The recursion above does not catch paragraphs in "hidden" cells,
                        // i.e., ones that are part of a multirow or multicolum. So we need
                        // to handle those separately.
                        // This is the cause of bug #9049.
-                       InsetTabular * table = it->asInsetTabular();
+                       InsetTabular * table = iit->asInsetTabular();
                        table->setLayoutForHiddenCells(newtc);
                }
        }
@@ -850,7 +908,7 @@ size_type numberOfSelections()
 
 namespace {
 
-void cutSelectionHelper(Cursor & cur, CutStack & cuts, bool doclear, bool realcut, bool putclip)
+void cutSelectionHelper(Cursor & cur, CutStack & cuts, bool realcut, bool putclip)
 {
        // This doesn't make sense, if there is no selection
        if (!cur.selection())
@@ -899,11 +957,6 @@ void cutSelectionHelper(Cursor & cur, CutStack & cuts, bool doclear, bool realcu
                cur.pos() = endpos;
                cur.pit() = endpit;
 
-               // sometimes necessary
-               if (doclear
-                       && text->paragraphs()[begpit].stripLeadingSpaces(bp.track_changes))
-                       cur.fixIfBroken();
-
                // need a valid cursor. (Lgb)
                cur.clearSelection();
 
@@ -933,17 +986,17 @@ void cutSelectionHelper(Cursor & cur, CutStack & cuts, bool doclear, bool realcu
        }
 }
 
-}
+} // namespace
 
-void cutSelection(Cursor & cur, bool doclear, bool realcut)
+void cutSelection(Cursor & cur, bool realcut)
 {
-       cutSelectionHelper(cur, theCuts, doclear, realcut, true);
+       cutSelectionHelper(cur, theCuts, realcut, true);
 }
 
 
-void cutSelectionToTemp(Cursor & cur, bool doclear, bool realcut)
+void cutSelectionToTemp(Cursor & cur, bool realcut)
 {
-       cutSelectionHelper(cur, tempCut, doclear, realcut, false);
+       cutSelectionHelper(cur, tempCut, realcut, false);
 }
 
 
@@ -988,7 +1041,7 @@ void copySelectionToStack(Cursor const & cur, CutStack & cutstack)
                // and sel_end cursor
                copySelectionHelper(*cur.buffer(), *text,
                                    cur.selBegin().pit(), cur.selEnd().pit(),
-                                   cur.selBegin().pos(), cur.selEnd().pos(), 
+                                   cur.selBegin().pos(), cur.selEnd().pos(),
                                    cur.buffer()->params().documentClassPtr(),
                                    cutstack);
                // Reset the dirty_tabular_stack_ flag only when something
@@ -1004,13 +1057,16 @@ void copySelectionToStack(Cursor const & cur, CutStack & cutstack)
                BufferParams const & bp = cur.buffer()->params();
                // FIXME This should be the plain layout...right?
                par.setLayout(bp.documentClass().plainLayout());
-               par.insert(0, grabSelection(cur), Font(), Change(Change::UNCHANGED));
+               // For pasting into text, we set the language to the paragraph language
+               // (rather than the default_language which is always English; see #2596)
+               par.insert(0, grabSelection(cur), Font(sane_font, par.getParLanguage(bp)),
+                          Change(Change::UNCHANGED));
                pars.push_back(par);
                cutstack.push(make_pair(pars, bp.documentClassPtr()));
        }
 }
 
-}
+} // namespace
 
 
 void copySelectionToStack()
@@ -1020,6 +1076,12 @@ void copySelectionToStack()
 }
 
 
+void copySelectionToTemp(Cursor & cur)
+{
+       copySelectionToStack(cur, tempCut);
+}
+
+
 void copySelection(Cursor const & cur, docstring const & plaintext)
 {
        // In tablemode, because copy and paste actually use special table stack
@@ -1031,7 +1093,12 @@ void copySelection(Cursor const & cur, docstring const & plaintext)
                Paragraph par;
                BufferParams const & bp = cur.buffer()->params();
                par.setLayout(bp.documentClass().plainLayout());
-               par.insert(0, plaintext, Font(), Change(Change::UNCHANGED));
+               // Replace (column-separating) tabs by space (#4449)
+               docstring const clean_text = subst(plaintext, '\t', ' ');
+               // For pasting into text, we set the language to the paragraph language
+               // (rather than the default_language which is always English; see #11898)
+               par.insert(0, clean_text, Font(sane_font, par.getParLanguage(bp)),
+                          Change(Change::UNCHANGED));
                pars.push_back(par);
                theCuts.push(make_pair(pars, bp.documentClassPtr()));
        } else {
@@ -1048,7 +1115,7 @@ void saveSelection(Cursor const & cur)
        // This function is called, not when a selection is formed, but when
        // a selection is cleared. Therefore, multiple keyboard selection
        // will not repeatively trigger this function (bug 3877).
-       if (cur.selection() 
+       if (cur.selection()
            && cur.selBegin() == cur.bv().cursor().selBegin()
            && cur.selEnd() == cur.bv().cursor().selEnd()) {
                LYXERR(Debug::SELECTION, "saveSelection: '" << cur.selectionAsString(true) << "'");
@@ -1076,7 +1143,7 @@ void clearCutStack()
 }
 
 
-docstring selection(size_t sel_index, DocumentClassConstPtr docclass)
+docstring selection(size_t sel_index, DocumentClassConstPtr docclass, bool for_math)
 {
        if (sel_index >= theCuts.size())
                return docstring();
@@ -1086,7 +1153,11 @@ docstring selection(size_t sel_index, DocumentClassConstPtr docclass)
        if (!buffer)
                return docstring();
 
-       return buffer->paragraphs().back().asString(AS_STR_INSETS | AS_STR_NEWLINES);
+       int options = AS_STR_INSETS | AS_STR_NEWLINES;
+       if (for_math)
+               options |= AS_STR_MATHED;
+
+       return buffer->paragraphs().back().asString(options);
 }
 
 
@@ -1154,6 +1225,7 @@ bool pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
                        // For some strange reason gcc 3.2 and 3.3 do not accept
                        // Buffer buffer(string(), false);
                        Buffer buffer("", false);
+                       buffer.setInternal(true);
                        buffer.setUnnamed(true);
                        if (buffer.readString(lyx)) {
                                cur.recordUndo();
@@ -1187,11 +1259,16 @@ bool pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
                                // For some strange reason gcc 3.2 and 3.3 do not accept
                                // Buffer buffer(string(), false);
                                Buffer buffer("", false);
+                               buffer.setInternal(true);
                                buffer.setUnnamed(true);
                                available = buffer.importString(names[i], text, errorList);
                                if (available)
                                        available = !buffer.paragraphs().empty();
                                if (available && !buffer.paragraphs()[0].empty()) {
+                                       // TeX2lyx (also used in the HTML chain) assumes English as document language
+                                       // if no language is explicitly set (as is the case here).
+                                       // We thus reset the temp buffer's language to the context language
+                                       buffer.changeLanguage(buffer.language(), cur.getFont().language());
                                        cur.recordUndo();
                                        pasteParagraphList(cur, buffer.paragraphs(),
                                                buffer.params().documentClassPtr(), errorList);
@@ -1240,7 +1317,7 @@ void pasteSimpleText(Cursor & cur, bool asParagraphs)
                return;
 
        cur.recordUndo();
-       cutSelection(cur, true, false);
+       cutSelection(cur, false);
        if (asParagraphs)
                cur.text()->insertStringAsParagraphs(cur, text, cur.current_font);
        else
@@ -1296,14 +1373,14 @@ void replaceSelectionWithString(Cursor & cur, docstring const & str)
                par.insertChar(pos, *cit, font, cur.buffer()->params().track_changes);
 
        // Cut the selection
-       cutSelection(cur, true, false);
+       cutSelection(cur, false);
 }
 
 
 void replaceSelection(Cursor & cur)
 {
        if (cur.selection())
-               cutSelection(cur, true, false);
+               cutSelection(cur, false);
 }