]> git.lyx.org Git - lyx.git/blobdiff - src/text3.C
compilation fix
[lyx.git] / src / text3.C
index 09752f239edeb9acdd96605179b4bb430fae5cd8..9ddee5cf60f2574b5ce4fd8a2e52492ee0aa6687 100644 (file)
@@ -32,6 +32,7 @@
 #include "gettext.h"
 #include "intl.h"
 #include "language.h"
+#include "LyXAction.h"
 #include "lyxfunc.h"
 #include "lyxlex.h"
 #include "lyxrc.h"
@@ -54,7 +55,7 @@
 
 #include "support/lstrings.h"
 #include "support/lyxlib.h"
-#include "support/tostr.h"
+#include "support/convert.h"
 
 #include "mathed/math_hullinset.h"
 #include "mathed/math_macrotemplate.h"
@@ -70,8 +71,6 @@ using lyx::cap::pasteSelection;
 using lyx::cap::replaceSelection;
 
 using lyx::support::isStrUnsignedInt;
-using lyx::support::strToUnsignedInt;
-using lyx::support::atoi;
 using lyx::support::token;
 
 using std::endl;
@@ -83,10 +82,6 @@ using std::vector;
 
 extern string current_layout;
 
-// the selection possible is needed, that only motion events are
-// used, where the button press event was on the drawing area too
-bool selection_possible = false;
-
 
 namespace {
 
@@ -108,7 +103,7 @@ namespace {
                                        text->bidi.isBoundary(cur.buffer(), par,
                                                        cur.pos(),
                                                        text->real_current_font))
-                               text->setCursor(cur, cur.par(), cur.pos(),
+                               text->setCursor(cur, cur.pit(), cur.pos(),
                                                false, !cur.boundary());
                }
        }
@@ -143,15 +138,17 @@ namespace {
                        BOOST_ASSERT(old_pos == cur.pos());
                        cur.nextInset()->edit(cur, true);
                        cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
-                       // don't do that also for LFUN_MATH_MODE unless you want end up with
-                       // always changing to mathrm when opening an inlined inset
-                       // -- I really hate "LyXfunc overloading"...
+                       // don't do that also for LFUN_MATH_MODE
+                       // unless you want end up with always changing
+                       // to mathrm when opening an inlined inset --
+                       // I really hate "LyXfunc overloading"...
                        if (display)
                                cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
                        cur.dispatch(FuncRequest(LFUN_INSERT_MATH, cmd.argument));
                } else {
-                       // create a macro if we see "\\newcommand" somewhere, and an ordinary
-                       // formula otherwise
+                       // create a macro if we see "\\newcommand"
+                       // somewhere, and an ordinary formula
+                       // otherwise
                        cutSelection(cur, true, true);
                        if (sel.find("\\newcommand") == string::npos
                            && sel.find("\\def") == string::npos)
@@ -185,11 +182,11 @@ string const freefont2string()
 }
 
 bool LyXText::gotoNextInset(LCursor & cur,
-       vector<InsetOld_code> const & codes, string const & contents)
+       vector<InsetBase_code> const & codes, string const & contents)
 {
        BOOST_ASSERT(this == cur.text());
-       par_type end = paragraphs().size();
-       par_type pit = cur.par();
+       pit_type end = paragraphs().size();
+       pit_type pit = cur.pit();
        pos_type pos = cur.pos();
 
        InsetBase * inset;
@@ -218,7 +215,7 @@ bool LyXText::gotoNextInset(LCursor & cur,
 
 
 void LyXText::gotoInset(LCursor & cur,
-       vector<InsetOld_code> const & codes, bool same_content)
+       vector<InsetBase_code> const & codes, bool same_content)
 {
        cur.clearSelection();
 
@@ -233,9 +230,9 @@ void LyXText::gotoInset(LCursor & cur,
        }
 
        if (!gotoNextInset(cur, codes, contents)) {
-               if (cur.pos() || cur.par() != 0) {
+               if (cur.pos() || cur.pit() != 0) {
                        CursorSlice tmp = cur.top();
-                       cur.par() = 0;
+                       cur.pit() = 0;
                        cur.pos() = 0;
                        if (!gotoNextInset(cur, codes, contents)) {
                                cur.top() = tmp;
@@ -249,49 +246,52 @@ void LyXText::gotoInset(LCursor & cur,
 }
 
 
-void LyXText::gotoInset(LCursor & cur, InsetOld_code code, bool same_content)
+void LyXText::gotoInset(LCursor & cur, InsetBase_code code, bool same_content)
 {
-       gotoInset(cur, vector<InsetOld_code>(1, code), same_content);
+       gotoInset(cur, vector<InsetBase_code>(1, code), same_content);
 }
 
 
-void LyXText::cursorPrevious(LCursor & cur)
+bool LyXText::cursorPrevious(LCursor & cur)
 {
        pos_type cpos = cur.pos();
-       lyx::par_type cpar = cur.par();
+       lyx::pit_type cpar = cur.pit();
 
        int x = cur.x_target();
-       int y = cur.bv().top_y();
-       setCursorFromCoordinates(cur, x, y);
 
-       if (cpar == cur.par() && cpos == cur.pos()) {
+       setCursorFromCoordinates(cur, x, 0);
+       bool updated = cursorUp(cur);
+
+       if (cpar == cur.pit() && cpos == cur.pos()) {
                // we have a row which is taller than the workarea. The
                // simplest solution is to move to the previous row instead.
-               cursorUp(cur);
+               updated |= cursorUp(cur);
        }
 
        cur.bv().updateScrollbar();
        finishUndo();
+       return updated;
 }
 
 
-void LyXText::cursorNext(LCursor & cur)
+bool LyXText::cursorNext(LCursor & cur)
 {
        pos_type cpos = cur.pos();
-       lyx::par_type cpar = cur.par();
+       lyx::pit_type cpar = cur.pit();
 
        int x = cur.x_target();
-       int y = cur.bv().top_y() + cur.bv().workHeight();
-       setCursorFromCoordinates(cur, x, y);
+       setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
+       bool updated = cursorDown(cur);
 
-       if (cpar == cur.par() && cpos == cur.pos()) {
+       if (cpar == cur.pit() && cpos == cur.pos()) {
                // we have a row which is taller than the workarea. The
                // simplest solution is to move to the next row instead.
-               cursorDown(cur);
+               updated |= cursorDown(cur);
        }
 
        cur.bv().updateScrollbar();
        finishUndo();
+       return updated;
 }
 
 
@@ -327,6 +327,15 @@ void doInsertInset(LCursor & cur, LyXText * text,
                cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 }
 
+
+void update(LCursor & cur)
+{
+       //we don't call update(true, false) directly to save a metrics call
+       if (cur.bv().fitCursor())
+               cur.bv().update(false, true);
+}
+
+
 } // anon namespace
 
 
@@ -347,13 +356,13 @@ bool LyXText::isRTL(Paragraph const & par) const
 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 {
        lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
-       //lyxerr << "*** LyXText::dispatch: cmd: " << cmd << endl;
+       lyxerr << "*** LyXText::dispatch: cmd: " << cmd << endl;
 
        BOOST_ASSERT(cur.text() == this);
        BufferView * bv = &cur.bv();
-       CursorSlice sl = cur.top();
+       CursorSlice oldTopSlice = cur.top();
        bool sel = cur.selection();
-       bool moving = false;
+       bool needsUpdate = !lyxaction.funcHasFlag(cmd.action, LyXAction::NoUpdate);
 
        switch (cmd.action) {
 
@@ -362,11 +371,10 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                bool start = !par.params().startOfAppendix();
 
                // ensure that we have only one start_of_appendix in this document
-               for (par_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
+               for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
                        if (pars_[tmp].params().startOfAppendix()) {
                                recUndo(tmp);
                                pars_[tmp].params().startOfAppendix(false);
-                               redoParagraph(tmp);
                                break;
                        }
                }
@@ -376,7 +384,6 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 
                // we can set the refreshing parameters now
                updateCounters();
-               redoParagraph(cur);
                break;
        }
 
@@ -399,29 +406,27 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_WORDRIGHT:
-               moving = true;
                if (!cur.mark())
                        cur.clearSelection();
                if (isRTL(cur.paragraph()))
-                       cursorLeftOneWord(cur);
+                       needsUpdate = cursorLeftOneWord(cur);
                else
-                       cursorRightOneWord(cur);
+                       needsUpdate = cursorRightOneWord(cur);
                finishChange(cur, false);
                break;
 
        case LFUN_WORDLEFT:
-               moving = true;
                if (!cur.mark())
                        cur.clearSelection();
                if (isRTL(cur.paragraph()))
-                       cursorRightOneWord(cur);
+                       needsUpdate = cursorRightOneWord(cur);
                else
-                       cursorLeftOneWord(cur);
+                       needsUpdate = cursorLeftOneWord(cur);
                finishChange(cur, false);
                break;
 
        case LFUN_BEGINNINGBUF:
-               if (cur.size() == 1) {
+               if (cur.depth() == 1) {
                        if (!cur.mark())
                                cur.clearSelection();
                        cursorTop(cur);
@@ -431,8 +436,19 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                }
                break;
 
+       case LFUN_BEGINNINGBUFSEL:
+               if (cur.depth() == 1) {
+                       if (!cur.selection())
+                               cur.resetAnchor();
+                       cursorTop(cur);
+                       finishChange(cur, true);
+               } else {
+                       cur.undispatched();
+               }
+               break;
+
        case LFUN_ENDBUF:
-               if (cur.size() == 1) {
+               if (cur.depth() == 1) {
                        if (!cur.mark())
                                cur.clearSelection();
                        cursorBottom(cur);
@@ -442,60 +458,77 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                }
                break;
 
+       case LFUN_ENDBUFSEL:
+               if (cur.depth() == 1) {
+                       if (!cur.selection())
+                               cur.resetAnchor();
+                       cursorBottom(cur);
+                       finishChange(cur, true);
+               } else {
+                       cur.undispatched();
+               }
+               break;
+
        case LFUN_RIGHT:
-               moving = true;
        case LFUN_RIGHTSEL:
-               //lyxerr << "handle LFUN_RIGHT[SEL]:\n" << cur << endl;
+               lyxerr << BOOST_CURRENT_FUNCTION
+                      << " LFUN_RIGHT[SEL]:\n" << cur << endl;
                cur.selHandle(cmd.action == LFUN_RIGHTSEL);
                if (isRTL(cur.paragraph()))
-                       cursorLeft(cur);
+                       needsUpdate = cursorLeft(cur);
                else
-                       cursorRight(cur);
-               if (sl == cur.top()) {
+                       needsUpdate = cursorRight(cur);
+               if (!needsUpdate && oldTopSlice == cur.top()) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_RIGHT);
                }
                break;
 
        case LFUN_LEFT:
-               moving = true;
        case LFUN_LEFTSEL:
                //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
                cur.selHandle(cmd.action == LFUN_LEFTSEL);
                if (isRTL(cur.paragraph()))
-                       cursorRight(cur);
+                       needsUpdate = cursorRight(cur);
                else
-                       cursorLeft(cur);
-               if (sl == cur.top()) {
+                       needsUpdate = cursorLeft(cur);
+               if (oldTopSlice == cur.top()) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_LEFT);
                }
                break;
 
        case LFUN_UP:
-               moving = true;
        case LFUN_UPSEL:
+               update(cur);
                //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
                cur.selHandle(cmd.action == LFUN_UPSEL);
-               cursorUp(cur);
-               if (sl == cur.top()) {
+               needsUpdate = cursorUp(cur);
+               if (oldTopSlice == cur.top()) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_UP);
                }
                break;
 
        case LFUN_DOWN:
-               moving = true;
        case LFUN_DOWNSEL:
+               update(cur);
                //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
                cur.selHandle(cmd.action == LFUN_DOWNSEL);
-               cursorDown(cur);
-               if (sl == cur.top()) {
+               needsUpdate = cursorDown(cur);
+               if (oldTopSlice == cur.top()) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_DOWN);
                }
                break;
 
+       case LFUN_UP_PARAGRAPH:
+               if (!cur.mark())
+                       cur.clearSelection();
+               needsUpdate = cursorUpParagraph(cur);
+               finishChange(cur, false);
+               break;
+
        case LFUN_UP_PARAGRAPHSEL:
                if (!cur.selection())
                        cur.resetAnchor();
@@ -503,6 +536,13 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                finishChange(cur, true);
                break;
 
+       case LFUN_DOWN_PARAGRAPH:
+               if (!cur.mark())
+                       cur.clearSelection();
+               needsUpdate = cursorDownParagraph(cur);
+               finishChange(cur, false);
+               break;
+
        case LFUN_DOWN_PARAGRAPHSEL:
                if (!cur.selection())
                        cur.resetAnchor();
@@ -511,6 +551,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_PRIORSEL:
+               update(cur);
                if (!cur.selection())
                        cur.resetAnchor();
                cursorPrevious(cur);
@@ -518,6 +559,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_NEXTSEL:
+               update(cur);
                if (!cur.selection())
                        cur.resetAnchor();
                cursorNext(cur);
@@ -525,6 +567,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_HOMESEL:
+               update(cur);
                if (!cur.selection())
                        cur.resetAnchor();
                cursorHome(cur);
@@ -532,6 +575,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_ENDSEL:
+               update(cur);
                if (!cur.selection())
                        cur.resetAnchor();
                cursorEnd(cur);
@@ -564,46 +608,30 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
        }
 
-       case LFUN_UP_PARAGRAPH:
-               moving = true;
-               if (!cur.mark())
-                       cur.clearSelection();
-               cursorUpParagraph(cur);
-               finishChange(cur, false);
-               break;
-
-       case LFUN_DOWN_PARAGRAPH:
-               moving = true;
-               if (!cur.mark())
-                       cur.clearSelection();
-               cursorDownParagraph(cur);
-               finishChange(cur, false);
-               break;
-
        case LFUN_PRIOR:
-               moving = true;
+               update(cur);
                if (!cur.mark())
                        cur.clearSelection();
                finishChange(cur, false);
-               if (cur.par() == 0 && cur.textRow().pos() == 0) {
+               if (cur.pit() == 0 && cur.textRow().pos() == 0) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_UP);
                } else {
-                       cursorPrevious(cur);
+                       needsUpdate = cursorPrevious(cur);
                }
                break;
 
        case LFUN_NEXT:
-               moving = true;
+               update(cur);
                if (!cur.mark())
                        cur.clearSelection();
                finishChange(cur, false);
-               if (cur.par() == cur.lastpar()
+               if (cur.pit() == cur.lastpit()
                          && cur.textRow().endpos() == cur.lastpos()) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_DOWN);
                } else {
-                       cursorNext(cur);
+                       needsUpdate = cursorNext(cur);
                }
                break;
 
@@ -717,15 +745,15 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
        case LFUN_PARAGRAPH_SPACING: {
                Paragraph & par = cur.paragraph();
                Spacing::Space cur_spacing = par.params().spacing().getSpace();
-               float cur_value = 1.0;
+               string cur_value = "1.0";
                if (cur_spacing == Spacing::Other)
-                       cur_value = par.params().spacing().getValue();
+                       cur_value = par.params().spacing().getValueAsString();
 
                istringstream is(cmd.argument);
                string tmp;
                is >> tmp;
                Spacing::Space new_spacing = cur_spacing;
-               float new_value = cur_value;
+               string new_value = cur_value;
                if (tmp.empty()) {
                        lyxerr << "Missing argument to `paragraph-spacing'"
                               << endl;
@@ -737,10 +765,10 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        new_spacing = Spacing::Double;
                } else if (tmp == "other") {
                        new_spacing = Spacing::Other;
-                       float tmpval = 0.0;
+                       string tmpval = "0.0";
                        is >> tmpval;
                        lyxerr << "new_value = " << tmpval << endl;
-                       if (tmpval != 0.0)
+                       if (tmpval != "0.0")
                                new_value = tmpval;
                } else if (tmp == "default") {
                        new_spacing = Spacing::Default;
@@ -748,10 +776,8 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        lyxerr << _("Unknown spacing argument: ")
                               << cmd.argument << endl;
                }
-               if (cur_spacing != new_spacing || cur_value != new_value) {
+               if (cur_spacing != new_spacing || cur_value != new_value)
                        par.params().spacing(Spacing(new_spacing, new_value));
-                       redoParagraph(cur);
-               }
                break;
        }
 
@@ -843,7 +869,6 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 
        case LFUN_TRANSPOSE_CHARS:
                recordUndo(cur);
-               redoParagraph(cur);
                break;
 
        case LFUN_PASTE:
@@ -853,7 +878,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 #warning FIXME Check if the arg is in the domain of available selections.
 #endif
                if (isStrUnsignedInt(cmd.argument))
-                       pasteSelection(cur, strToUnsignedInt(cmd.argument));
+                       pasteSelection(cur, convert<unsigned int>(cmd.argument));
                else
                        pasteSelection(cur, 0);
                cur.clearSelection(); // bug 393
@@ -872,8 +897,8 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_GETXY:
-               cur.message(tostr(cursorX(cur.top())) + ' '
-                         + tostr(cursorY(cur.top())));
+               cur.message(convert<string>(cursorX(cur.top())) + ' '
+                         + convert<string>(cursorY(cur.top())));
                break;
 
        case LFUN_SETXY: {
@@ -938,10 +963,10 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                bool change_layout = (current_layout != layout);
 
                if (!change_layout && cur.selection() &&
-                       cur.selBegin().par() != cur.selEnd().par())
+                       cur.selBegin().pit() != cur.selEnd().pit())
                {
-                       par_type spit = cur.selBegin().par();
-                       par_type epit = cur.selEnd().par() + 1;
+                       pit_type spit = cur.selBegin().pit();
+                       pit_type epit = cur.selEnd().pit() + 1;
                        while (spit != epit) {
                                if (pars_[spit].layout()->name() != current_layout) {
                                        change_layout = true;
@@ -981,7 +1006,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_REFERENCE_GOTO: {
-               vector<InsetOld_code> tmp;
+               vector<InsetBase_code> tmp;
                tmp.push_back(InsetBase::LABEL_CODE);
                tmp.push_back(InsetBase::REF_CODE);
                gotoInset(cur, tmp, true);
@@ -1047,7 +1072,6 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 
        case LFUN_MOUSE_TRIPLE:
                if (cmd.button() == mouse_button::button1) {
-                       selection_possible = true;
                        cursorHome(cur);
                        cur.resetAnchor();
                        cursorEnd(cur);
@@ -1058,7 +1082,6 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 
        case LFUN_MOUSE_DOUBLE:
                if (cmd.button() == mouse_button::button1) {
-                       selection_possible = true;
                        selectWord(cur, lyx::WHOLE_WORD_STRICT);
                        bv->haveSelection(cur.selection());
                }
@@ -1069,7 +1092,6 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                // Right click on a footnote flag opens float menu
                if (cmd.button() == mouse_button::button3) {
                        cur.clearSelection();
-                       selection_possible = false;
                        break;
                }
 
@@ -1083,15 +1105,13 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        paste_internally = true;
                }
 
-               selection_possible = true;
-
                // Clear the selection
                cur.clearSelection();
 
                setCursorFromCoordinates(cur, cmd.x, cmd.y);
                cur.resetAnchor();
                finishUndo();
-               cur.x_target() = cursorX(cur.top());
+               cur.setTargetX();
 
                // Has the cursor just left the inset?
                if (bv->cursor().inMathed() && !cur.inMathed())
@@ -1100,10 +1120,6 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                // Set cursor here.
                bv->cursor() = cur;
 
-               // Don't allow selection after a big jump.
-               if (bv->fitCursor())
-                       selection_possible = false;
-
                // Insert primary selection with middle mouse
                // if there is a local selection in the current buffer,
                // insert this
@@ -1112,7 +1128,6 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                                bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
                        else
                                bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
-                       selection_possible = false;
                }
 
                break;
@@ -1122,41 +1137,44 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                // Only use motion with button 1
                //if (cmd.button() != mouse_button::button1)
                //      return false;
-               // We want to use only motion events for which
-               // the button press event was on the drawing area too.
-               if (!selection_possible) {
-                       lyxerr[Debug::ACTION] << "BufferView::Pimpl::"
-                               "dispatch: no selection possible\n";
-                       lyxerr << "BufferView::Pimpl::dispatch: no selection possible\n";
-                       break;
-               }
 
                // ignore motions deeper nested than the real anchor
                LCursor & bvcur = cur.bv().cursor();
                if (bvcur.anchor_.hasPart(cur)) {
-                       CursorSlice old = cur.top();
-                       setCursorFromCoordinates(cur, cmd.x, cmd.y);
+                       CursorSlice old = bvcur.top();
+
+                       int const wh = bv->workHeight();
+                       int const y = std::max(0, std::min(wh - 1, cmd.y));
 
+                       setCursorFromCoordinates(cur, cmd.x, y);
+                       cur.x_target() = cmd.x;
+                       if (cmd.y >= wh)
+                               cursorDown(cur);
+                       else if (cmd.y < 0)
+                               cursorUp(cur);
                        // This is to allow jumping over large insets
-                       // FIXME: shouldn't be top-text-specific
-                       if (isMainText() && cur.top() == old) {
-                               if (cmd.y - bv->top_y() >= bv->workHeight())
+                       if (cur.top() == old) {
+                               if (cmd.y >= wh)
                                        cursorDown(cur);
-                               else if (cmd.y - bv->top_y() < 0)
+                               else if (cmd.y < 0)
                                        cursorUp(cur);
                        }
 
-                       // don't set anchor_
-                       bv->cursor().setCursor(cur);
-                       bv->cursor().selection() = true;
-                       lyxerr << "MOTION: " << bv->cursor() << endl;
-               }
+                       if (cur.top() == old)
+                               cur.noUpdate();
+                       else {
+                               // don't set anchor_
+                               bvcur.setCursor(cur);
+                               bvcur.selection() = true;
+                               lyxerr << "MOTION: " << bv->cursor() << endl;
+                       }
+
+               } else
+                       cur.undispatched();
                break;
        }
 
        case LFUN_MOUSE_RELEASE: {
-               selection_possible = false;
-
                if (cmd.button() == mouse_button::button2)
                        break;
 
@@ -1292,7 +1310,11 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 
        case LFUN_MATH_IMPORT_SELECTION:
        case LFUN_MATH_MODE:
-               mathDispatch(cur, cmd, false);
+               if (cmd.argument == "on")
+                       // don't pass "on" as argument
+                       mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
+               else
+                       mathDispatch(cur, cmd, false);
                break;
 
        case LFUN_MATH_MACRO:
@@ -1301,7 +1323,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                else {
                        string s = cmd.argument;
                        string const s1 = token(s, ' ', 1);
-                       int const nargs = s1.empty() ? 0 : atoi(s1);
+                       int const nargs = s1.empty() ? 0 : convert<int>(s1);
                        string const s2 = token(s, ' ', 2);
                        string const type = s2.empty() ? "newcommand" : s2;
                        cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, s2));
@@ -1309,6 +1331,14 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                }
                break;
 
+       // passthrough hat and underscore outside mathed:
+       case LFUN_SUBSCRIPT:
+               mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
+               break;
+       case LFUN_SUPERSCRIPT:
+               mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
+               break;
+
        case LFUN_INSERT_MATH:
        case LFUN_INSERT_MATRIX:
        case LFUN_MATH_DELIM: {
@@ -1448,7 +1478,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                InsetBase & inset = cur.inset();
                bool const accept = !inset.forceDefaultParagraphs(&inset);
 
-               data = "update " + tostr(accept) + '\n' + data;
+               data = "update " + convert<string>(accept) + '\n' + data;
                bv->owner()->getDialogs().update("paragraph", data);
                break;
        }
@@ -1562,22 +1592,25 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        default:
+               lyxerr << BOOST_CURRENT_FUNCTION
+                      << " Not DISPATCHED by LyXText" << endl;
                cur.undispatched();
                break;
        }
 
-       // avoid to update when navigating
-       if (moving
-           && &sl.inset() == &cur.inset()
-           && sl.idx() == cur.idx()
-           && sel == false
-           && cur.selection() == false)
+       if (!needsUpdate
+           && &oldTopSlice.inset() == &cur.inset()
+           && oldTopSlice.idx() == cur.idx()
+           && !sel
+           && !cur.selection())
                cur.noUpdate();
+       else
+               cur.needsUpdate();
 }
 
 
 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
-       FuncStatus & flag) const
+                       FuncStatus & flag) const
 {
        BOOST_ASSERT(cur.text() == this);
        LyXFont const & font = real_current_font;
@@ -1594,7 +1627,7 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
                break;
 
        case LFUN_INSET_OPTARG:
-               enable = numberOfOptArgs(cur.paragraph()) 
+               enable = numberOfOptArgs(cur.paragraph())
                        < cur.paragraph().layout()->optionalargs;
                break;
 
@@ -1604,117 +1637,117 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
 
 #if 0
        // the functions which insert insets
-       InsetOld::Code code = InsetOld::NO_CODE;
+       InsetBase::Code code = InsetBase::NO_CODE;
        switch (cmd.action) {
        case LFUN_DIALOG_SHOW_NEW_INSET:
                if (cmd.argument == "bibitem")
-                       code = InsetOld::BIBITEM_CODE;
+                       code = InsetBase::BIBITEM_CODE;
                else if (cmd.argument == "bibtex")
-                       code = InsetOld::BIBTEX_CODE;
+                       code = InsetBase::BIBTEX_CODE;
                else if (cmd.argument == "box")
-                       code = InsetOld::BOX_CODE;
+                       code = InsetBase::BOX_CODE;
                else if (cmd.argument == "branch")
-                       code = InsetOld::BRANCH_CODE;
+                       code = InsetBase::BRANCH_CODE;
                else if (cmd.argument == "citation")
-                       code = InsetOld::CITE_CODE;
+                       code = InsetBase::CITE_CODE;
                else if (cmd.argument == "ert")
-                       code = InsetOld::ERT_CODE;
+                       code = InsetBase::ERT_CODE;
                else if (cmd.argument == "external")
-                       code = InsetOld::EXTERNAL_CODE;
+                       code = InsetBase::EXTERNAL_CODE;
                else if (cmd.argument == "float")
-                       code = InsetOld::FLOAT_CODE;
+                       code = InsetBase::FLOAT_CODE;
                else if (cmd.argument == "graphics")
-                       code = InsetOld::GRAPHICS_CODE;
+                       code = InsetBase::GRAPHICS_CODE;
                else if (cmd.argument == "include")
-                       code = InsetOld::INCLUDE_CODE;
+                       code = InsetBase::INCLUDE_CODE;
                else if (cmd.argument == "index")
-                       code = InsetOld::INDEX_CODE;
+                       code = InsetBase::INDEX_CODE;
                else if (cmd.argument == "label")
-                       code = InsetOld::LABEL_CODE;
+                       code = InsetBase::LABEL_CODE;
                else if (cmd.argument == "note")
-                       code = InsetOld::NOTE_CODE;
+                       code = InsetBase::NOTE_CODE;
                else if (cmd.argument == "ref")
-                       code = InsetOld::REF_CODE;
+                       code = InsetBase::REF_CODE;
                else if (cmd.argument == "toc")
-                       code = InsetOld::TOC_CODE;
+                       code = InsetBase::TOC_CODE;
                else if (cmd.argument == "url")
-                       code = InsetOld::URL_CODE;
+                       code = InsetBase::URL_CODE;
                else if (cmd.argument == "vspace")
-                       code = InsetOld::VSPACE_CODE;
+                       code = InsetBase::VSPACE_CODE;
                else if (cmd.argument == "wrap")
-                       code = InsetOld::WRAP_CODE;
+                       code = InsetBase::WRAP_CODE;
                break;
 
        case LFUN_INSET_ERT:
-               code = InsetOld::ERT_CODE;
+               code = InsetBase::ERT_CODE;
                break;
        case LFUN_INSET_FOOTNOTE:
-               code = InsetOld::FOOT_CODE;
+               code = InsetBase::FOOT_CODE;
                break;
        case LFUN_TABULAR_INSERT:
-               code = InsetOld::TABULAR_CODE;
+               code = InsetBase::TABULAR_CODE;
                break;
        case LFUN_INSET_MARGINAL:
-               code = InsetOld::MARGIN_CODE;
+               code = InsetBase::MARGIN_CODE;
                break;
        case LFUN_INSET_FLOAT:
        case LFUN_INSET_WIDE_FLOAT:
-               code = InsetOld::FLOAT_CODE;
+               code = InsetBase::FLOAT_CODE;
                break;
        case LFUN_INSET_WRAP:
-               code = InsetOld::WRAP_CODE;
+               code = InsetBase::WRAP_CODE;
                break;
        case LFUN_FLOAT_LIST:
-               code = InsetOld::FLOAT_LIST_CODE;
+               code = InsetBase::FLOAT_LIST_CODE;
                break;
 #if 0
        case LFUN_INSET_LIST:
-               code = InsetOld::LIST_CODE;
+               code = InsetBase::LIST_CODE;
                break;
        case LFUN_INSET_THEOREM:
-               code = InsetOld::THEOREM_CODE;
+               code = InsetBase::THEOREM_CODE;
                break;
 #endif
        case LFUN_INSET_CAPTION:
-               code = InsetOld::CAPTION_CODE;
+               code = InsetBase::CAPTION_CODE;
                break;
        case LFUN_INSERT_NOTE:
-               code = InsetOld::NOTE_CODE;
+               code = InsetBase::NOTE_CODE;
                break;
        case LFUN_INSERT_CHARSTYLE:
-               code = InsetOld::CHARSTYLE_CODE;
+               code = InsetBase::CHARSTYLE_CODE;
                if (buf->params().getLyXTextClass().charstyles().empty())
                        enable = false;
                break;
        case LFUN_INSERT_BOX:
-               code = InsetOld::BOX_CODE;
+               code = InsetBase::BOX_CODE;
                break;
        case LFUN_INSERT_BRANCH:
-               code = InsetOld::BRANCH_CODE;
+               code = InsetBase::BRANCH_CODE;
                if (buf->params().branchlist().empty())
                        enable = false;
                break;
        case LFUN_INSERT_LABEL:
-               code = InsetOld::LABEL_CODE;
+               code = InsetBase::LABEL_CODE;
                break;
        case LFUN_INSET_OPTARG:
-               code = InsetOld::OPTARG_CODE;
+               code = InsetBase::OPTARG_CODE;
                break;
        case LFUN_ENVIRONMENT_INSERT:
-               code = InsetOld::BOX_CODE;
+               code = InsetBase::BOX_CODE;
                break;
        case LFUN_INDEX_INSERT:
-               code = InsetOld::INDEX_CODE;
+               code = InsetBase::INDEX_CODE;
                break;
        case LFUN_INDEX_PRINT:
-               code = InsetOld::INDEX_PRINT_CODE;
+               code = InsetBase::INDEX_PRINT_CODE;
                break;
        case LFUN_TOC_INSERT:
-               code = InsetOld::TOC_CODE;
+               code = InsetBase::TOC_CODE;
                break;
        case LFUN_HTMLURL:
        case LFUN_URL:
-               code = InsetOld::URL_CODE;
+               code = InsetBase::URL_CODE;
                break;
        case LFUN_QUOTE:
                // always allow this, since we will inset a raw quote
@@ -1726,22 +1759,22 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
        case LFUN_MENU_SEPARATOR:
        case LFUN_LDOTS:
        case LFUN_END_OF_SENTENCE:
-               code = InsetOld::SPECIALCHAR_CODE;
+               code = InsetBase::SPECIALCHAR_CODE;
                break;
        case LFUN_SPACE_INSERT:
                // slight hack: we know this is allowed in math mode
                if (cur.inTexted())
-                       code = InsetOld::SPACE_CODE;
+                       code = InsetBase::SPACE_CODE;
                break;
        case LFUN_INSET_DIALOG_SHOW: {
                InsetBase * inset = cur.nextInset();
                enable = inset;
                if (inset) {
                        code = inset->lyxCode();
-                       if (!(code == InsetOld::INCLUDE_CODE
-                               || code == InsetOld::BIBTEX_CODE
-                               || code == InsetOld::FLOAT_LIST_CODE
-                               || code == InsetOld::TOC_CODE))
+                       if (!(code == InsetBase::INCLUDE_CODE
+                               || code == InsetBase::BIBTEX_CODE
+                               || code == InsetBase::FLOAT_LIST_CODE
+                               || code == InsetBase::TOC_CODE))
                                enable = false;
                }
                break;
@@ -1750,7 +1783,7 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
                break;
        }
 
-       if (code != InsetOld::NO_CODE
+       if (code != InsetBase::NO_CODE
                        && (cur.empty() || !cur.inset().insetAllowed(code)))
                enable = false;
 
@@ -1878,6 +1911,8 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
        case LFUN_INSERT_MATH:
        case LFUN_INSERT_MATRIX:
        case LFUN_MATH_DELIM:
+       case LFUN_SUBSCRIPT:
+       case LFUN_SUPERSCRIPT:
        case LFUN_DEFAULT:
        case LFUN_UNDERLINE:
        case LFUN_FONT_SIZE:
@@ -1910,18 +1945,16 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
        case LFUN_PARAGRAPH_APPLY:
        case LFUN_ESCAPE:
        case LFUN_KEYMAP_TOGGLE:
-               // these are handled in our dispatch()
-               enable = true;
-               break;
-
        case LFUN_ENDBUF:
        case LFUN_BEGINNINGBUF:
+       case LFUN_BEGINNINGBUFSEL:
+       case LFUN_ENDBUFSEL:
+               // these are handled in our dispatch()
                enable = true;
                break;
 
        default:
-               enable = false;
-               break;
+               return false;
        }
        flag.enabled(enable);
        return true;