]> git.lyx.org Git - lyx.git/blobdiff - src/BufferView.cpp
Get rid of all-insets-toggle and explain how to replace it with inset-forall.
[lyx.git] / src / BufferView.cpp
index 2a00deff7d07aafb67d8d4e1eb812c51182db60f..d5e4a016e40884907883ff5063c5d5f4d1f24d91 100644 (file)
@@ -39,7 +39,6 @@
 #include "LyX.h"
 #include "LyXAction.h"
 #include "lyxfind.h"
-#include "LyXFunc.h"
 #include "Layout.h"
 #include "LyXRC.h"
 #include "MetricsInfo.h"
@@ -221,7 +220,8 @@ struct BufferView::Private
        Private(BufferView & bv): wh_(0), cursor_(bv),
                anchor_pit_(0), anchor_ypos_(0),
                inlineCompletionUniqueChars_(0),
-               last_inset_(0), bookmark_edit_position_(0), gui_(0)
+               last_inset_(0), mouse_position_cache_(),
+               bookmark_edit_position_(0), gui_(0)
        {}
 
        ///
@@ -264,6 +264,11 @@ struct BufferView::Private
          */
        Inset * last_inset_;
 
+       /// position of the mouse at the time of the last mouse move
+       /// This is used to update the hovering status of inset in
+       /// cases where the buffer is scrolled, but the mouse didn't move.
+       Point mouse_position_cache_;
+
        // cache for id of the paragraph which was edited the last time
        int bookmark_edit_position_;
 
@@ -398,10 +403,6 @@ bool BufferView::fitCursor()
 
 void BufferView::processUpdateFlags(Update::flags flags)
 {
-       // last_inset_ points to the last visited inset. This pointer may become
-       // invalid because of keyboard editing. Since all such operations
-       // causes screen update(), I reset last_inset_ to avoid such a problem.
-       d->last_inset_ = 0;
        // This is close to a hot-path.
        LYXERR(Debug::DEBUG, "BufferView::processUpdateFlags()"
                << "[fitcursor = " << (flags & Update::FitCursor)
@@ -466,6 +467,8 @@ void BufferView::processUpdateFlags(Update::flags flags)
                // refresh it:
                showCursor();
        }
+
+       updateHoveredInset();
 }
 
 
@@ -574,6 +577,7 @@ void BufferView::scrollDocView(int value)
        if (abs(offset) <= 2 * height_) {
                d->anchor_ypos_ -= offset;
                buffer_.changed(true);
+               updateHoveredInset();
                return;
        }
 
@@ -697,17 +701,19 @@ void BufferView::saveBookmark(unsigned int idx)
        // acturately locate a bookmark in a 'live' lyx session.
        // pit and pos will be updated with bottom level pit/pos
        // when lyx exits.
-       theSession().bookmarks().save(
-               buffer_.fileName(),
-               d->cursor_.bottom().pit(),
-               d->cursor_.bottom().pos(),
-               d->cursor_.paragraph().id(),
-               d->cursor_.pos(),
-               idx
-       );
-       if (idx)
-               // emit message signal.
-               message(_("Save bookmark"));
+       if (!buffer_.isInternal()) {
+               theSession().bookmarks().save(
+                       buffer_.fileName(),
+                       d->cursor_.bottom().pit(),
+                       d->cursor_.bottom().pos(),
+                       d->cursor_.paragraph().id(),
+                       d->cursor_.pos(),
+                       idx
+                       );
+               if (idx)
+                       // emit message signal.
+                       message(_("Save bookmark"));
+       }
 }
 
 
@@ -809,14 +815,19 @@ void BufferView::showCursor()
 
 void BufferView::showCursor(DocIterator const & dit, bool recenter)
 {
-       if (scrollToCursor(dit, recenter))
-               buffer_.changed(false);
+       if (scrollToCursor(dit, recenter)) {
+               buffer_.changed(true);
+               updateHoveredInset();
+       }
 }
 
 
 void BufferView::scrollToCursor()
 {
-       scrollToCursor(d->cursor_, false);
+       if (scrollToCursor(d->cursor_, false)) {
+               buffer_.changed(true);
+               updateHoveredInset();
+       }
 }
 
 
@@ -864,11 +875,7 @@ bool BufferView::scrollToCursor(DocIterator const & dit, bool recenter)
                        scrolled = scrollDown(ypos - height_ + defaultRowHeight() ); 
 
                // else, nothing to do, the cursor is already visible so we just return.
-               if (scrolled != 0) {
-                       updateMetrics();
-                       return true;
-               }
-               return false;
+               return scrolled != 0;
        }
 
        // fix inline completion position
@@ -895,25 +902,24 @@ bool BufferView::scrollToCursor(DocIterator const & dit, bool recenter)
        else
                d->anchor_ypos_ = defaultRowHeight() * 2;
 
-       updateMetrics();
        return true;
 }
 
 
-void BufferView::updateLayout(DocumentClass const * const oldlayout)
+void BufferView::updateDocumentClass(DocumentClass const * const olddc)
 {
        message(_("Converting document to new document class..."));
        
        StableDocIterator backcur(d->cursor_);
        ErrorList & el = buffer_.errorList("Class Switch");
        cap::switchBetweenClasses(
-                       oldlayout, buffer_.params().documentClassPtr(),
+                       olddc, buffer_.params().documentClassPtr(),
                        static_cast<InsetText &>(buffer_.inset()), el);
 
        setCursor(backcur.asDocIterator(&buffer_));
 
        buffer_.errors("Class Switch");
-       buffer_.updateLabels();
+       buffer_.updateBuffer();
 }
 
 /** Return the change status at cursor position, taking in account the
@@ -964,8 +970,8 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 
        switch (cmd.action) {
 
-       // FIXME: This is a bit problematic because we don't check is this is a
-       // document BufferView or not for these LFUNs. We probably have to
+       // FIXME: This is a bit problematic because we don't check if this is
+       // document BufferView or not for these LFUNs. We probably have to
        // dispatch both to currentBufferView() and, if that fails,
        // to documentBufferView(); same as we do know for current Buffer and
        // document Buffer. Ideally those LFUN should go to Buffer as they*
@@ -1014,8 +1020,6 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        case LFUN_SCREEN_SHOW_CURSOR:
        case LFUN_BIBTEX_DATABASE_ADD:
        case LFUN_BIBTEX_DATABASE_DEL:
-       case LFUN_NOTES_MUTATE:
-       case LFUN_ALL_INSETS_TOGGLE:
        case LFUN_STATISTICS:
        case LFUN_BRANCH_ADD_INSERT:
        case LFUN_KEYMAP_OFF:
@@ -1025,11 +1029,6 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                flag.setEnabled(true);
                break;
 
-       case LFUN_REGEXP_MODE:
-               // FIXME: Test if current WorkArea is the search WorkArea
-               flag.setEnabled(buffer().isInternal() && !cur.inRegexped());
-               break;
-
        case LFUN_LABEL_COPY_AS_REF: {
                // if there is an inset at cursor, see whether it
                // handles the lfun
@@ -1039,18 +1038,6 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                break;
        }
 
-       case LFUN_NEXT_INSET_MODIFY: {
-               // this is the real function we want to invoke
-               FuncRequest tmpcmd = cmd;
-               tmpcmd.action = LFUN_INSET_MODIFY;
-               // if there is an inset at cursor, see whether it
-               // handles the lfun, other start from scratch
-               Inset * inset = cur.nextInset();
-               if (!inset || !inset->getStatus(cur, tmpcmd, flag))
-                       flag = lyx::getStatus(tmpcmd);
-               break;
-       }
-
        case LFUN_LABEL_GOTO: {
                flag.setEnabled(!cmd.argument().empty()
                    || getInsetByCode<InsetRef>(cur, REF_CODE));
@@ -1161,7 +1148,7 @@ void BufferView::editInset(string const & name, Inset * inset)
 }
 
 
-bool BufferView::dispatch(FuncRequest const & cmd)
+void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 {
        //lyxerr << [ cmd = " << cmd << "]" << endl;
 
@@ -1178,7 +1165,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
        // Don't dispatch function that does not apply to internal buffers.
        if (buffer_.isInternal() 
            && lyxaction.funcHasFlag(cmd.action, LyXAction::NoInternal))
-               return false;
+               return;
 
        // We'll set this back to false if need be.
        bool dispatched = true;
@@ -1198,12 +1185,12 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                                                << unknown_tokens << " unknown token"
                                                << (unknown_tokens == 1 ? "" : "s"));
                }
-               updateLayout(oldClass);
+               updateDocumentClass(oldClass);
                        
                // We are most certainly here because of a change in the document
                // It is then better to make sure that all dialogs are in sync with
                // current document settings.
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               dr.update(Update::Force | Update::FitCursor);
                break;
        }
                
@@ -1213,8 +1200,8 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                cur.recordUndoFullDocument();
                buffer_.params().clearLayoutModules();
                buffer_.params().makeDocumentClass();
-               updateLayout(oldClass);
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               updateDocumentClass(oldClass);
+               dr.update(Update::Force | Update::FitCursor);
                break;
        }
 
@@ -1230,8 +1217,8 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                cur.recordUndoFullDocument();
                buffer_.params().addLayoutModule(argument);
                buffer_.params().makeDocumentClass();
-               updateLayout(oldClass);
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               updateDocumentClass(oldClass);
+               dr.update(Update::Force | Update::FitCursor);
                break;
        }
 
@@ -1253,8 +1240,8 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                cur.recordUndoFullDocument();
                buffer_.params().setBaseClass(argument);
                buffer_.params().makeDocumentClass();
-               updateLayout(oldDocClass);
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               updateDocumentClass(oldDocClass);
+               dr.update(Update::Force | Update::FitCursor);
                break;
        }
 
@@ -1269,31 +1256,31 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                LayoutFileList::get().reset(bc);
                buffer_.params().setBaseClass(bc);
                buffer_.params().makeDocumentClass();
-               updateLayout(oldClass);
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               updateDocumentClass(oldClass);
+               dr.update(Update::Force | Update::FitCursor);
                break;
        }
 
        case LFUN_UNDO:
-               cur.message(_("Undo"));
+               dr.setMessage(_("Undo"));
                cur.clearSelection();
                if (!cur.textUndo())
-                       cur.message(_("No further undo information"));
+                       dr.setMessage(_("No further undo information"));
                else
-                       processUpdateFlags(Update::Force | Update::FitCursor);
+                       dr.update(Update::Force | Update::FitCursor);
                break;
 
        case LFUN_REDO:
-               cur.message(_("Redo"));
+               dr.setMessage(_("Redo"));
                cur.clearSelection();
                if (!cur.textRedo())
-                       cur.message(_("No further redo information"));
+                       dr.setMessage(_("No further redo information"));
                else
-                       processUpdateFlags(Update::Force | Update::FitCursor);
+                       dr.update(Update::Force | Update::FitCursor);
                break;
 
        case LFUN_FONT_STATE:
-               cur.message(cur.currentState());
+               dr.setMessage(cur.currentState());
                break;
 
        case LFUN_BOOKMARK_SAVE:
@@ -1356,12 +1343,12 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                                // Set the cursor
                                dit.pos() = pos;
                                setCursor(dit);
-                               processUpdateFlags(Update::Force | Update::FitCursor);
+                               dr.update(Update::Force | Update::FitCursor);
                        } else {
                                // Switch to other buffer view and resend cmd
-                               theLyXFunc().dispatch(FuncRequest(
+                               lyx::dispatch(FuncRequest(
                                        LFUN_BUFFER_SWITCH, b->absFileName()));
-                               theLyXFunc().dispatch(cmd);
+                               lyx::dispatch(cmd);
                        }
                        break;
                }
@@ -1410,18 +1397,18 @@ bool BufferView::dispatch(FuncRequest const & cmd)
        case LFUN_CHANGE_NEXT:
                findNextChange(this);
                // FIXME: Move this LFUN to Buffer so that we don't have to do this:
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               dr.update(Update::Force | Update::FitCursor);
                break;
        
        case LFUN_CHANGE_PREVIOUS:
                findPreviousChange(this);
                // FIXME: Move this LFUN to Buffer so that we don't have to do this:
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               dr.update(Update::Force | Update::FitCursor);
                break;
 
        case LFUN_CHANGES_MERGE:
                if (findNextChange(this) || findPreviousChange(this)) {
-                       processUpdateFlags(Update::Force | Update::FitCursor);
+                       dr.update(Update::Force | Update::FitCursor);
                        showDialog("changes");
                }
                break;
@@ -1434,7 +1421,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                // accept everything in a single step to support atomic undo
                buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
                // FIXME: Move this LFUN to Buffer so that we don't have to do this:
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               dr.update(Update::Force | Update::FitCursor);
                break;
 
        case LFUN_ALL_CHANGES_REJECT:
@@ -1446,7 +1433,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                // Note: reject does not work recursively; the user may have to repeat the operation
                buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
                // FIXME: Move this LFUN to Buffer so that we don't have to do this:
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               dr.update(Update::Force | Update::FitCursor);
                break;
 
        case LFUN_WORD_FIND_FORWARD:
@@ -1476,7 +1463,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
                        req = d->search_request_cache_;
                if (req.argument().empty()) {
-                       theLyXFunc().dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
+                       lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
                        break;
                }
                if (find(this, req))
@@ -1494,7 +1481,8 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                        DocIterator end = cur.selectionEnd();
                        if (beg.pit() == end.pit()) {
                                for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
-                                       if (cur.paragraph().isDeleted(p))
+                                       if (!cur.inMathed()
+                                           && cur.paragraph().isDeleted(p))
                                                has_deleted = true;
                                }
                        }
@@ -1516,23 +1504,23 @@ bool BufferView::dispatch(FuncRequest const & cmd)
 
        case LFUN_MARK_OFF:
                cur.clearSelection();
-               cur.message(from_utf8(N_("Mark off")));
+               dr.setMessage(from_utf8(N_("Mark off")));
                break;
 
        case LFUN_MARK_ON:
                cur.clearSelection();
                cur.setMark(true);
-               cur.message(from_utf8(N_("Mark on")));
+               dr.setMessage(from_utf8(N_("Mark on")));
                break;
 
        case LFUN_MARK_TOGGLE:
                cur.setSelection(false);
                if (cur.mark()) {
                        cur.setMark(false);
-                       cur.message(from_utf8(N_("Mark removed")));
+                       dr.setMessage(from_utf8(N_("Mark removed")));
                } else {
                        cur.setMark(true);
-                       cur.message(from_utf8(N_("Mark set")));
+                       dr.setMessage(from_utf8(N_("Mark set")));
                }
                cur.resetAnchor();
                break;
@@ -1626,32 +1614,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                        // It did not work too; no action needed.
                        break;
                cur.clearSelection();
-               processUpdateFlags(Update::SinglePar | Update::FitCursor);
-               break;
-       }
-
-       case LFUN_NEXT_INSET_MODIFY: {
-               // create the the real function we want to invoke
-               FuncRequest tmpcmd = cmd;
-               tmpcmd.action = LFUN_INSET_MODIFY;
-               // if there is an inset at cursor, see whether it
-               // can be modified.
-               Inset * inset = cur.nextInset();
-               if (inset) {
-                       cur.recordUndo();
-                       inset->dispatch(cur, tmpcmd);
-               }
-               // if it did not work, try the underlying inset.
-               if (!inset || !cur.result().dispatched()) {
-                       cur.recordUndo();
-                       cur.dispatch(tmpcmd);
-               }
-
-               if (!cur.result().dispatched())
-                       // It did not work too; no action needed.
-                       break;
-               cur.clearSelection();
-               processUpdateFlags(Update::Force | Update::FitCursor);
+               dr.update(Update::SinglePar | Update::FitCursor);
                break;
        }
 
@@ -1675,13 +1638,15 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                bool const in_texted = cur.inTexted();
                cur.reset();
                buffer_.changed(true);
+               updateHoveredInset();
+
                d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
                        true, cmd.action == LFUN_SCREEN_UP); 
                //FIXME: what to do with cur.x_target()?
                bool update = in_texted && cur.bv().checkDepm(cur, old);
                cur.finishUndo();
                if (update)
-                       processUpdateFlags(Update::Force | Update::FitCursor);
+                       dr.update(Update::Force | Update::FitCursor);
                break;
        }
 
@@ -1702,7 +1667,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                        y = getPos(cur, cur.boundary()).y_;
 
                cur.finishUndo();
-               processUpdateFlags(Update::SinglePar | Update::FitCursor);
+               dr.update(Update::SinglePar | Update::FitCursor);
                break;
        }
 
@@ -1719,19 +1684,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                        y = getPos(cur, cur.boundary()).y_;
 
                cur.finishUndo();
-               processUpdateFlags(Update::SinglePar | Update::FitCursor);
-               break;
-       }
-
-       // This could be rewriten using some command like forall <insetname> <command>
-       // once the insets refactoring is done.
-       case LFUN_NOTES_MUTATE: {
-               if (cmd.argument().empty())
-                       break;
-
-               if (mutateNotes(cur, cmd.getArg(0), cmd.getArg(1))) {
-                       processUpdateFlags(Update::Force);
-               }
+               dr.update(Update::SinglePar | Update::FitCursor);
                break;
        }
 
@@ -1760,7 +1713,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                        while (!insname.empty()) {
                                if (insname == name || name == from_utf8("*")) {
                                        cur.recordUndo();
-                                       lyx::dispatch(fr);
+                                       lyx::dispatch(fr, dr);
                                        ++iterations;
                                        break;
                                }
@@ -1774,39 +1727,17 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                cur.endUndoGroup();
                cur = savecur;
                cur.fixIfBroken();
-               processUpdateFlags(Update::Force);
+               dr.update(Update::Force);
 
-               if (iterations >= max_iter)
-                       cur.errorMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
-               else
-                       cur.message(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
+               if (iterations >= max_iter) {
+                       dr.setError(true);
+                       dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
+               } else
+                       dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
                break;
        }
 
 
-       case LFUN_ALL_INSETS_TOGGLE: {
-               string action;
-               string const name = split(to_utf8(cmd.argument()), action, ' ');
-               InsetCode const inset_code = insetCode(name);
-
-               FuncRequest fr(LFUN_INSET_TOGGLE, action);
-
-               Inset & inset = cur.buffer()->inset();
-               InsetIterator it  = inset_iterator_begin(inset);
-               InsetIterator const end = inset_iterator_end(inset);
-               for (; it != end; ++it) {
-                       if (it->asInsetCollapsable()
-                           && (inset_code == NO_CODE
-                           || inset_code == it->lyxCode())) {
-                               Cursor tmpcur = cur;
-                               tmpcur.pushBackward(*it);
-                               it->dispatch(tmpcur, fr);
-                       }
-               }
-               processUpdateFlags(Update::Force | Update::FitCursor);
-               break;
-       }
-
        case LFUN_BRANCH_ADD_INSERT: {
                docstring branch_name = from_utf8(cmd.getArg(0));
                if (branch_name.empty())
@@ -1891,7 +1822,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
                cur.recordUndo();
                FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
                inset->dispatch(cur, fr);
-               processUpdateFlags(Update::SinglePar | Update::FitCursor);
+               dr.update(Update::SinglePar | Update::FitCursor);
                break;
        }
 
@@ -1901,7 +1832,8 @@ bool BufferView::dispatch(FuncRequest const & cmd)
        }
 
        buffer_.undo().endUndoGroup();
-       return dispatched;
+       dr.dispatched(dispatched);
+       return;
 }
 
 
@@ -1986,6 +1918,42 @@ Inset const * BufferView::getCoveringInset(Text const & text,
 }
 
 
+void BufferView::updateHoveredInset() const
+{
+       // Get inset under mouse, if there is one.
+       Inset const * covering_inset = getCoveringInset(buffer_.text(),
+                       d->mouse_position_cache_.x_, d->mouse_position_cache_.y_);
+       if (covering_inset == d->last_inset_)
+               // Same inset, no need to do anything...
+               return;
+
+       bool need_redraw = false;
+       if (d->last_inset_)
+               // Remove the hint on the last hovered inset (if any).
+               need_redraw |= d->last_inset_->setMouseHover(false);
+       
+       // const_cast because of setMouseHover().
+       Inset * inset = const_cast<Inset *>(covering_inset);
+       if (inset)
+               // Highlight the newly hovered inset (if any).
+               need_redraw |= inset->setMouseHover(true);
+
+       d->last_inset_ = inset;
+       
+       if (need_redraw) {
+               LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
+                               << d->mouse_position_cache_.x_ << ", " 
+                               << d->mouse_position_cache_.y_ << ")");
+       
+               d->update_strategy_ = DecorationUpdate;
+
+               // This event (moving without mouse click) is not passed further.
+               // This should be changed if it is further utilized.
+               buffer_.changed(false);
+       }
+}
+
+
 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
 {
        //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
@@ -2005,36 +1973,11 @@ void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
        // make sure we stay within the screen...
        cmd.y = min(max(cmd.y, -1), height_);
 
-       if (cmd.action == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
-
-               // Get inset under mouse, if there is one.
-               Inset const * covering_inset =
-                       getCoveringInset(buffer_.text(), cmd.x, cmd.y);
-               if (covering_inset == d->last_inset_)
-                       // Same inset, no need to do anything...
-                       return;
+       d->mouse_position_cache_.x_ = cmd.x;
+       d->mouse_position_cache_.y_ = cmd.y;
 
-               bool need_redraw = false;
-               // const_cast because of setMouseHover().
-               Inset * inset = const_cast<Inset *>(covering_inset);
-               if (d->last_inset_)
-                       // Remove the hint on the last hovered inset (if any).
-                       need_redraw |= d->last_inset_->setMouseHover(false);
-               if (inset)
-                       // Highlighted the newly hovered inset (if any).
-                       need_redraw |= inset->setMouseHover(true);
-               d->last_inset_ = inset;
-               if (!need_redraw)
-                       return;
-
-               LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
-                       << cmd.x << ", " << cmd.y << ")");
-
-               d->update_strategy_ = DecorationUpdate;
-
-               // This event (moving without mouse click) is not passed further.
-               // This should be changed if it is further utilized.
-               buffer_.changed(false);
+       if (cmd.action == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
+               updateHoveredInset();
                return;
        }
 
@@ -2080,10 +2023,12 @@ void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
 void BufferView::lfunScroll(FuncRequest const & cmd)
 {
        string const scroll_type = cmd.getArg(0);
-       int const scroll_step = 
-               (scroll_type == "line") ? d->scrollbarParameters_.single_step
-               : (scroll_type == "page") ? d->scrollbarParameters_.page_step : 0;
-       if (scroll_step == 0)
+       int scroll_step = 0;
+       if (scroll_type == "line")
+               scroll_step = d->scrollbarParameters_.single_step;
+       else if (scroll_type == "page")
+               scroll_step = d->scrollbarParameters_.page_step;
+       else
                return;
        string const scroll_quantity = cmd.getArg(1);
        if (scroll_quantity == "up")
@@ -2096,6 +2041,7 @@ void BufferView::lfunScroll(FuncRequest const & cmd)
                        scroll(scroll_step * scroll_value);
        }
        buffer_.changed(true);
+       updateHoveredInset();
 }
 
 
@@ -2212,7 +2158,7 @@ void BufferView::gotoLabel(docstring const & label)
                TocIterator end = toc.end();
                for (; toc_it != end; ++toc_it) {
                        if (label == toc_it->str()) {
-                               dispatch(toc_it->action());
+                               lyx::dispatch(toc_it->action());
                                return;
                        }
                }
@@ -2280,7 +2226,7 @@ bool BufferView::checkDepm(Cursor & cur, Cursor & old)
 
        d->cursor_ = cur;
 
-       buffer_.updateLabels();
+       buffer_.updateBuffer();
        buffer_.changed(true);
        return true;
 }