]> git.lyx.org Git - lyx.git/blobdiff - src/CutAndPaste.cpp
Update status
[lyx.git] / src / CutAndPaste.cpp
index 4ec9811d90bb8fd086e2e30be20ecb958bf1b620..cad8c943deeb8cf5550092e49c20198bd133eeb7 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"
@@ -86,6 +87,8 @@ typedef limited_stack<pair<ParagraphList, DocumentClassConstPtr> > CutStack;
 CutStack theCuts(10);
 // persistent selection, cleared until the next selection
 CutStack selectionBuffer(1);
+// temporary scratch area
+CutStack tempCut(1);
 
 // store whether the tabular stack is newer than the normal copy stack
 // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
@@ -111,7 +114,7 @@ struct PasteReturnValue {
 
 PasteReturnValue
 pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
-                     DocumentClassConstPtr oldDocClass, Buffer * tmpbuffer,
+                     DocumentClassConstPtr oldDocClass, cap::BranchAction branchAction,
                      ErrorList & errorlist)
 {
        Buffer const & buffer = *cur.buffer();
@@ -139,6 +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) {
@@ -157,6 +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()) {
@@ -192,6 +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();
@@ -241,7 +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));
@@ -320,6 +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);
@@ -355,12 +414,15 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
                            || (is_child && (branchlist.find(name)
                                || buffer.masterBuffer()->params().branchlist().find(name))))
                                break;
-                       if (tmpbuffer) {
+                       switch(branchAction) {
+                       case cap::BRANCH_ADD: {
                                // This is for a temporary buffer, so simply create the branch.
                                // Must not use lyx::dispatch(), since tmpbuffer has no view.
                                DispatchResult dr;
-                               tmpbuffer->dispatch(FuncRequest(LFUN_BRANCH_ADD, name), dr);
-                       } else {
+                               const_cast<Buffer&>(buffer).dispatch(FuncRequest(LFUN_BRANCH_ADD, name), dr);
+                               break;
+                       }
+                       case cap::BRANCH_ASK: {
                                docstring text = bformat(
                                        _("The pasted branch \"%1$s\" is undefined.\n"
                                          "Do you want to add it to the document's branch list?"),
@@ -369,6 +431,10 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
                                          text, 0, 1, _("&Add"), _("&Don't Add")) != 0)
                                        break;
                                lyx::dispatch(FuncRequest(LFUN_BRANCH_ADD, name));
+                               break;
+                       }
+                       case cap::BRANCH_IGNORE:
+                               break;
                        }
                        // We need to update the list of branches.
                        need_update = true;
@@ -462,7 +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)
@@ -521,13 +587,13 @@ Buffer * copyToTempBuffer(ParagraphList const & paragraphs, DocumentClassConstPt
        // temporary Buffer, since it does a lot of things to fix them up.
        DocIterator dit = doc_iterator_begin(buffer, &buffer->inset());
        ErrorList el;
-       pasteSelectionHelper(dit, paragraphs, docclass, buffer, el);
+       pasteSelectionHelper(dit, paragraphs, docclass, cap::BRANCH_ADD, el);
 
        return buffer;
 }
 
 
-void putClipboard(ParagraphList const & paragraphs, 
+void putClipboard(ParagraphList const & paragraphs,
        DocumentClassConstPtr docclass, docstring const & plaintext)
 {
        Buffer * buffer = copyToTempBuffer(paragraphs, docclass);
@@ -627,7 +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());
        }
 
@@ -643,16 +709,14 @@ void copySelectionHelper(Buffer const & buf, Text const & text,
        // are not linked to something else.
        it = copy_pars.begin();
        for (; it != it_end; ++it) {
-               it->setBuffer(*static_cast<Buffer *>(0));
+               it->resetBuffer();
                it->setInsetOwner(0);
        }
 
        cutstack.push(make_pair(copy_pars, dc));
 }
 
-} // namespace anon
-
-
+} // namespace
 
 
 namespace cap {
@@ -696,11 +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;
 }
 
@@ -709,15 +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;
 }
 
@@ -730,7 +794,7 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
        LBUFERR(!in.paragraphs().empty());
        if (oldone == newone)
                return;
-       
+
        DocumentClass const & oldtc = *oldone;
        DocumentClass const & newtc = *newone;
 
@@ -751,8 +815,8 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
                if (added_one || newlayouts.find(name) != newlayouts.end()) {
                        // Warn the user.
                        docstring const s = bformat(_("Layout `%1$s' was not found."), name);
-                       errorlist.push_back(
-                               ErrorItem(_("Layout Not Found"), s, it->id(), 0, it->size()));
+                       errorlist.push_back(ErrorItem(_("Layout Not Found"), s,
+                                                     {it->id(), 0}, {it->id(), -1}));
                }
 
                if (in.usePlainLayout())
@@ -763,17 +827,17 @@ 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)
                                continue;
-       
+
                        // The flex inset is undefined in newtc
                        docstring const oldname = from_utf8(oldtc.name());
                        docstring const newname = from_utf8(newtc.name());
@@ -787,14 +851,15 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
                                        layoutName, oldname, newname);
                        // To warn the user that something had to be done.
                        errorlist.push_back(ErrorItem(
-                                       _("Undefined flex inset"),
-                                       s, it.paragraph().id(), it.pos(), it.pos() + 1));
+                                                     _("Undefined flex inset"), s,
+                                                     {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);
                }
        }
@@ -838,8 +903,9 @@ size_type numberOfSelections()
        return theCuts.size();
 }
 
+namespace {
 
-void cutSelection(Cursor & cur, bool doclear, bool realcut)
+void cutSelectionHelper(Cursor & cur, CutStack & cuts, bool realcut, bool putclip)
 {
        // This doesn't make sense, if there is no selection
        if (!cur.selection())
@@ -867,11 +933,12 @@ void cutSelection(Cursor & cur, bool doclear, bool realcut)
                                *text,
                                begpit, endpit,
                                cur.selBegin().pos(), endpos,
-                               bp.documentClassPtr(), theCuts);
+                               bp.documentClassPtr(), cuts);
                        // Stuff what we got on the clipboard.
                        // Even if there is no selection.
-                       putClipboard(theCuts[0].first, theCuts[0].second,
-                               cur.selectionAsString(true));
+                       if (putclip)
+                               putClipboard(cuts[0].first, cuts[0].second,
+                                            cur.selectionAsString(true));
                }
 
                if (begpit != endpit)
@@ -887,11 +954,6 @@ void cutSelection(Cursor & cur, bool doclear, bool realcut)
                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();
 
@@ -921,6 +983,19 @@ void cutSelection(Cursor & cur, bool doclear, bool realcut)
        }
 }
 
+} // namespace
+
+void cutSelection(Cursor & cur, bool realcut)
+{
+       cutSelectionHelper(cur, theCuts, realcut, true);
+}
+
+
+void cutSelectionToTemp(Cursor & cur, bool realcut)
+{
+       cutSelectionHelper(cur, tempCut, realcut, false);
+}
+
 
 void copySelection(Cursor const & cur)
 {
@@ -963,7 +1038,7 @@ 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
@@ -979,13 +1054,16 @@ 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()
@@ -995,6 +1073,12 @@ 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
@@ -1006,7 +1090,12 @@ 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 {
@@ -1023,7 +1112,7 @@ 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) << "'");
@@ -1047,6 +1136,7 @@ void clearSelection()
 void clearCutStack()
 {
        theCuts.clear();
+       tempCut.clear();
 }
 
 
@@ -1065,14 +1155,15 @@ docstring selection(size_t sel_index, DocumentClassConstPtr docclass)
 
 
 void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
-                       DocumentClassConstPtr docclass, ErrorList & errorList)
+                                               DocumentClassConstPtr docclass, ErrorList & errorList,
+                                               cap::BranchAction branchAction)
 {
        if (cur.inTexted()) {
                Text * text = cur.text();
                LBUFERR(text);
 
                PasteReturnValue prv =
-                       pasteSelectionHelper(cur, parlist, docclass, 0, errorList);
+                       pasteSelectionHelper(cur, parlist, docclass, branchAction, errorList);
                cur.forceBufferUpdate();
                cur.clearSelection();
                text->setCursor(cur, prv.pit, prv.pos);
@@ -1091,7 +1182,20 @@ bool pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
 
        cur.recordUndo();
        pasteParagraphList(cur, theCuts[sel_index].first,
-                          theCuts[sel_index].second, errorList);
+                          theCuts[sel_index].second, errorList, BRANCH_ASK);
+       return true;
+}
+
+
+bool pasteFromTemp(Cursor & cur, ErrorList & errorList)
+{
+       // this does not make sense, if there is nothing to paste
+       if (tempCut.empty() || tempCut[0].first.empty())
+               return false;
+
+       cur.recordUndo();
+       pasteParagraphList(cur, tempCut[0].first,
+                          tempCut[0].second, errorList, BRANCH_IGNORE);
        return true;
 }
 
@@ -1152,6 +1256,10 @@ bool pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
                                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);
@@ -1200,7 +1308,7 @@ 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
@@ -1256,14 +1364,14 @@ 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);
 }