]> git.lyx.org Git - lyx.git/blobdiff - src/CutAndPaste.cpp
* layouttranslations.review - remove dupes
[lyx.git] / src / CutAndPaste.cpp
index def56831b6ac2314c5a09f6cbb5b0fc8be89bf51..9e7ddd31feaf3987bc393ec33b7fa572e48f2cd2 100644 (file)
@@ -98,23 +98,35 @@ bool checkPastePossible(int index)
 }
 
 
-pair<PitPosPair, pit_type>
-pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
-                    DocumentClassConstPtr oldDocClass, ErrorList & errorlist)
+struct PasteReturnValue {
+       PasteReturnValue(pit_type r_par, pos_type r_pos, bool r_nu) :
+         par(r_par), pos(r_pos), needupdate(r_nu)
+       {}
+
+       pit_type par;
+       pos_type pos;
+       bool needupdate;
+};
+
+PasteReturnValue
+pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
+                     DocumentClassConstPtr oldDocClass, Buffer * tmpbuffer,
+                     ErrorList & errorlist)
 {
        Buffer const & buffer = *cur.buffer();
        pit_type pit = cur.pit();
        pos_type pos = cur.pos();
+       bool need_update = false;
        InsetText * target_inset = cur.inset().asInsetText();
        if (!target_inset) {
                InsetTabular * it = cur.inset().asInsetTabular();
                target_inset = it? it->cell(cur.idx())->asInsetText() : 0;
        }
-       LASSERT(target_inset, return make_pair(PitPosPair(pit, pos), pit));
+       LASSERT(target_inset, return PasteReturnValue(pit, pos, need_update));
        ParagraphList & pars = target_inset->paragraphs();
 
        if (parlist.empty())
-               return make_pair(PitPosPair(pit, pos), pit);
+               return PasteReturnValue(pit, pos, need_update);
 
        BOOST_ASSERT (pos <= pars[pit].size());
 
@@ -197,10 +209,8 @@ pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
                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 pit.
-               if (tmpbuf != insertion.begin())
-                       max_depth = tmpbuf->getMaxDepthAfter();
+               // Set max_depth for the next paragraph
+               max_depth = tmpbuf->getMaxDepthAfter();
 
                // Set the inset owner of this paragraph.
                tmpbuf->setInsetOwner(target_inset);
@@ -244,7 +254,7 @@ pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
                                docstring const oldname = lab->getParam("name");
                                lab->updateLabel(oldname);
                                // We need to update the buffer reference cache.
-                               cur.forceBufferUpdate();
+                               need_update = true;
                                docstring const newname = lab->getParam("name");
                                if (oldname == newname)
                                        continue;
@@ -275,7 +285,7 @@ pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
                        docstring const oldname = lab.getParam("name");
                        lab.updateLabel(oldname);
                        // We need to update the buffer reference cache.
-                       cur.forceBufferUpdate();
+                       need_update = true;
                        docstring const newname = lab.getParam("name");
                        if (oldname == newname)
                                break;
@@ -302,7 +312,7 @@ pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
                        InsetInclude & inc = static_cast<InsetInclude &>(*it);
                        inc.updateCommand();
                        // We need to update the list of included files.
-                       cur.forceBufferUpdate();
+                       need_update = true;
                        break;
                }
 
@@ -312,7 +322,7 @@ pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
                        docstring const oldkey = bib.getParam("key");
                        bib.updateCommand(oldkey, false);
                        // We need to update the buffer reference cache.
-                       cur.forceBufferUpdate();
+                       need_update = true;
                        docstring const newkey = bib.getParam("key");
                        if (oldkey == newkey)
                                break;
@@ -341,17 +351,23 @@ pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
                            || (is_child && (branchlist.find(name)
                                || buffer.masterBuffer()->params().branchlist().find(name))))
                                break;
-                       // FIXME: add an option to add the branch to the master's BranchList.
-                       docstring text = bformat(
+                       if (tmpbuffer) {
+                               // 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 {
+                               docstring text = bformat(
                                        _("The pasted branch \"%1$s\" is undefined.\n"
                                          "Do you want to add it to the document's branch list?"),
                                        name);
-                       if (frontend::Alert::prompt(_("Unknown branch"),
+                               if (frontend::Alert::prompt(_("Unknown branch"),
                                          text, 0, 1, _("&Add"), _("&Don't Add")) != 0)
-                               break;
-                       lyx::dispatch(FuncRequest(LFUN_BRANCH_ADD, name));
+                                       break;
+                               lyx::dispatch(FuncRequest(LFUN_BRANCH_ADD, name));
+                       }
                        // We need to update the list of branches.
-                       cur.forceBufferUpdate();
+                       need_update = true;
                        break;
                }
 
@@ -412,7 +428,7 @@ pasteSelectionHelper(Cursor const & cur, ParagraphList const & parlist,
                }
        }
 
-       return make_pair(PitPosPair(pit, pos), last_paste + 1);
+       return PasteReturnValue(pit, pos, need_update);
 }
 
 
@@ -463,28 +479,66 @@ PitPosPair eraseSelectionHelper(BufferParams const & params,
 void putClipboard(ParagraphList const & paragraphs, 
        DocumentClassConstPtr docclass, docstring const & plaintext)
 {
-       // For some strange reason gcc 3.2 and 3.3 do not accept
-       // Buffer buffer(string(), false);
        // This used to need to be static to avoid a memory leak. It no longer needs
        // to be so, but the alternative is to construct a new one of these (with a
        // new temporary directory, etc) every time, and then to destroy it. So maybe
        // it's worth just keeping this one around.
-       static Buffer * buffer = theBufferList().newInternalBuffer(
+       static Buffer * staticbuffer = theBufferList().newInternalBuffer(
                FileName::tempName("clipboard.internal").absFileName());
-       buffer->setUnnamed(true);
-       buffer->paragraphs() = paragraphs;
-       buffer->inset().setBuffer(*buffer);
+
+       // These two things only really need doing the first time.
+       staticbuffer->setUnnamed(true);
+       staticbuffer->inset().setBuffer(*staticbuffer);
+
+       // Use a clone for the complicated stuff so that we do not need to clean
+       // up in order to avoid a crash.
+       Buffer * buffer = staticbuffer->cloneBufferOnly();
+       LASSERT(buffer, return);
+
+       // This needs doing every time.
        buffer->params().setDocumentClass(docclass);
-       string lyx;
-       ostringstream oslyx;
-       if (buffer->write(oslyx))
-               lyx = oslyx.str();
-       odocstringstream oshtml;
-       OutputParams runparams(encodings.fromLyXName("utf8"));
-       buffer->writeLyXHTMLSource(oshtml, runparams, Buffer::FullSource);
-       theClipboard().put(lyx, oshtml.str(), plaintext);
+
+       // we will use pasteSelectionHelper to copy the paragraphs into the
+       // 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);
+
+       // We don't want to produce images that are not used. Therefore,
+       // output formulas as MathML. Even if this is not understood by all
+       // applications, the number that can parse it should go up in the future.
+       buffer->params().html_math_output = BufferParams::MathML;
+
+       // Make sure MarkAsExporting is deleted before buffer is
+       {
+               // The Buffer is being used to export. This is necessary so that the
+               // updateMacros call will record the needed information.
+               MarkAsExporting mex(buffer);
+
+               buffer->updateBuffer(Buffer::UpdateMaster, OutputUpdate);
+               buffer->updateMacros();
+               buffer->updateMacroInstances(OutputUpdate);
+
+               // LyX's own format
+               string lyx;
+               ostringstream oslyx;
+               if (buffer->write(oslyx))
+                       lyx = oslyx.str();
+
+               // XHTML format
+               odocstringstream oshtml;
+               OutputParams runparams(encodings.fromLyXName("utf8"));
+               // We do not need to produce images, etc.
+               runparams.dryrun = true;
+               // We are not interested in errors (bug 8866)
+               runparams.silent = true;
+               buffer->writeLyXHTMLSource(oshtml, runparams, Buffer::FullSource);
+
+               theClipboard().put(lyx, oshtml.str(), plaintext);
+       }
+
        // Save that memory
-       buffer->paragraphs().clear();
+       delete buffer;
 }
 
 
@@ -509,9 +563,12 @@ void copySelectionHelper(Buffer const & buf, Text const & text,
 {
        ParagraphList const & pars = text.paragraphs();
 
-       LASSERT(0 <= start && start <= pars[startpit].size(), /**/);
-       LASSERT(0 <= end && end <= pars[endpit].size(), /**/);
-       LASSERT(startpit != endpit || start <= end, /**/);
+       // In most of these cases, we can try to recover.
+       LASSERT(0 <= start, start = 0);
+       LASSERT(start <= pars[startpit].size(), start = pars[startpit].size());
+       LASSERT(0 <= end, end = 0);
+       LASSERT(end <= pars[endpit].size(), end = pars[endpit].size());
+       LASSERT(startpit != endpit || start <= end, return);
 
        // Clone the paragraphs within the selection.
        ParagraphList copy_pars(boost::next(pars.begin(), startpit),
@@ -640,7 +697,7 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
 {
        errorlist.clear();
 
-       LASSERT(!in.paragraphs().empty(), /**/);
+       LBUFERR(!in.paragraphs().empty());
        if (oldone == newone)
                return;
        
@@ -758,7 +815,7 @@ void cutSelection(Cursor & cur, bool doclear, bool realcut)
 
        if (cur.inTexted()) {
                Text * text = cur.text();
-               LASSERT(text, /**/);
+               LBUFERR(text);
 
                saveSelection(cur);
 
@@ -844,7 +901,8 @@ void copyInset(Cursor const & cur, Inset * inset, docstring const & plaintext)
        Paragraph par;
        BufferParams const & bp = cur.buffer()->params();
        par.setLayout(bp.documentClass().plainLayout());
-       par.insertInset(0, inset, Change(Change::UNCHANGED));
+       Font font(inherit_font, bp.language);
+       par.insertInset(0, inset, font, Change(Change::UNCHANGED));
        pars.push_back(par);
        theCuts.push(make_pair(pars, bp.documentClassPtr()));
 
@@ -867,7 +925,7 @@ void copySelectionToStack(Cursor const & cur, CutStack & cutstack)
 
        if (cur.inTexted()) {
                Text * text = cur.text();
-               LASSERT(text, /**/);
+               LBUFERR(text);
                // ok we have a selection. This is always between cur.selBegin()
                // and sel_end cursor
 
@@ -981,44 +1039,40 @@ void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
 {
        if (cur.inTexted()) {
                Text * text = cur.text();
-               LASSERT(text, /**/);
-
-               pit_type endpit;
-               PitPosPair ppp;
+               LBUFERR(text);
 
-               boost::tie(ppp, endpit) =
-                       pasteSelectionHelper(cur, parlist, docclass, errorList);
+               PasteReturnValue prv =
+                       pasteSelectionHelper(cur, parlist, docclass, 0, errorList);
                cur.forceBufferUpdate();
                cur.clearSelection();
-               text->setCursor(cur, ppp.first, ppp.second);
+               text->setCursor(cur, prv.par, prv.pos);
        }
 
        // mathed is handled in InsetMathNest/InsetMathGrid
-       LASSERT(!cur.inMathed(), /**/);
+       LATTEST(!cur.inMathed());
 }
 
 
-void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
+bool pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
 {
        // this does not make sense, if there is nothing to paste
        if (!checkPastePossible(sel_index))
-               return;
+               return false;
 
        cur.recordUndo();
        pasteParagraphList(cur, theCuts[sel_index].first,
                           theCuts[sel_index].second, errorList);
+       return true;
 }
 
 
-void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
+bool pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
                         Clipboard::TextType type)
 {
        // Use internal clipboard if it is the most recent one
        // This overrides asParagraphs and type on purpose!
-       if (theClipboard().isInternal()) {
-               pasteFromStack(cur, errorList, 0);
-               return;
-       }
+       if (theClipboard().isInternal())
+               return pasteFromStack(cur, errorList, 0);
 
        // First try LyX format
        if ((type == Clipboard::LyXTextType ||
@@ -1035,14 +1089,14 @@ void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
                                cur.recordUndo();
                                pasteParagraphList(cur, buffer.paragraphs(),
                                        buffer.params().documentClassPtr(), errorList);
-                               return;
+                               return true;
                        }
                }
        }
 
        // Then try TeX and HTML
        Clipboard::TextType types[2] = {Clipboard::HtmlTextType, Clipboard::LaTeXTextType};
-       string names[2] = {"html", "latex"};
+       string names[2] = {"html", "latexclipboard"};
        for (int i = 0; i < 2; ++i) {
                if (type != types[i] && type != Clipboard::AnyTextType)
                        continue;
@@ -1064,11 +1118,14 @@ void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
                                // Buffer buffer(string(), false);
                                Buffer buffer("", false);
                                buffer.setUnnamed(true);
-                               if (buffer.importString(names[i], text, errorList)) {
+                               available = buffer.importString(names[i], text, errorList);
+                               if (available)
+                                       available = !buffer.paragraphs().empty();
+                               if (available && !buffer.paragraphs()[0].empty()) {
                                        cur.recordUndo();
                                        pasteParagraphList(cur, buffer.paragraphs(),
                                                buffer.params().documentClassPtr(), errorList);
-                                       return;
+                                       return true;
                                }
                        }
                }
@@ -1077,12 +1134,13 @@ void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
        // Then try plain text
        docstring const text = theClipboard().getAsText(Clipboard::PlainTextType);
        if (text.empty())
-               return;
+               return false;
        cur.recordUndo();
        if (asParagraphs)
                cur.text()->insertStringAsParagraphs(cur, text, cur.current_font);
        else
                cur.text()->insertStringAsLines(cur, text, cur.current_font);
+       return true;
 }
 
 
@@ -1122,7 +1180,7 @@ void pasteSimpleText(Cursor & cur, bool asParagraphs)
 void pasteClipboardGraphics(Cursor & cur, ErrorList & /* errorList */,
                            Clipboard::GraphicsType preferedType)
 {
-       LASSERT(theClipboard().hasGraphicsContents(preferedType), /**/);
+       LASSERT(theClipboard().hasGraphicsContents(preferedType), return);
 
        // get picture from clipboard
        FileName filename = theClipboard().getAsGraphics(cur, preferedType);