]> git.lyx.org Git - lyx.git/blobdiff - src/Text3.cpp
* Call metrics of the parameters with the correct font in MathMacros, for example
[lyx.git] / src / Text3.cpp
index 90871ec4ed4aa12d5540e19d962b15993d911fb0..22408657cb4ddcb97a7d58c88f9ec1cbff53e8a9 100644 (file)
@@ -67,6 +67,7 @@
 
 #include "mathed/InsetMathHull.h"
 #include "mathed/MathMacroTemplate.h"
+#include "mathed/MathParser.h"
 
 #include <boost/next_prior.hpp>
 
@@ -127,6 +128,9 @@ static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
        // It may happen that sel is empty but there is a selection
        replaceSelection(cur);
 
+       // Is this a valid formula?
+       bool valid = true;
+
        if (sel.empty()) {
 #ifdef ENABLE_ASSERTIONS
                const int old_pos = cur.pos();
@@ -156,20 +160,35 @@ static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
                                && sel.find(from_ascii("\\def")) == string::npos)
                {
                        InsetMathHull * formula = new InsetMathHull;
-                       istringstream is(to_utf8(sel));
+                       string const selstr = to_utf8(sel);
+                       istringstream is(selstr);
                        Lexer lex;
                        lex.setStream(is);
+                       mathed_parser_warn_contents(false);
                        formula->read(lex);
-                       if (formula->getType() == hullNone)
-                               // Don't create pseudo formulas if
-                               // delimiters are left out
-                               formula->mutate(hullSimple);
-                       cur.insert(formula);
+                       if (formula->getType() == hullNone) {
+                               // No valid formula, let's try with delims
+                               is.str("$" + selstr + "$");
+                               lex.setStream(is);
+                               formula->read(lex);
+                               if (formula->getType() == hullNone) {
+                                       // Still not valid, leave it as is
+                                       valid = false;
+                                       delete formula;
+                                       cur.insert(sel);
+                               } else
+                                       cur.insert(formula);
+                       } else
+                               cur.insert(formula);
+                       mathed_parser_warn_contents(true);
                } else {
                        cur.insert(new MathMacroTemplate(sel));
                }
        }
-       cur.message(from_utf8(N_("Math editor mode")));
+       if (valid)
+               cur.message(from_utf8(N_("Math editor mode")));
+       else
+               cur.message(from_utf8(N_("No valid math formula")));
 }
 
 
@@ -558,10 +577,10 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        }
                } else {
                        if (reverseDirectionNeeded(cur)) {
-                               cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ? 
+                               cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
                                        LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
                        } else {
-                               cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ? 
+                               cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
                                        LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
                        }
                        dispatch(cur, cmd);
@@ -581,17 +600,17 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        }
                } else {
                        if (reverseDirectionNeeded(cur)) {
-                               cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ? 
+                               cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
                                        LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
                        } else {
-                               cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ? 
+                               cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
                                        LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
                        }
                        dispatch(cur, cmd);
                        return;
                }
                break;
-               
+
 
        case LFUN_UP_SELECT:
        case LFUN_DOWN_SELECT:
@@ -601,7 +620,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                bool select = cmd.action == LFUN_DOWN_SELECT ||
                        cmd.action == LFUN_UP_SELECT;
                cur.selHandle(select);
-               
+
                // move cursor up/down
                bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
                bool const successful = cur.upDownInText(up, needsUpdate);
@@ -610,7 +629,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        needsUpdate |= cur.beforeDispatchCursor().inMathed();
                } else
                        cur.undispatched();
-               
+
                break;
        }
 
@@ -719,7 +738,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                moveCursor(cur, false);
                break;
        }
-       
+
        case LFUN_CHAR_DELETE_FORWARD:
                if (!cur.selection()) {
                        if (cur.pos() == cur.paragraph().size())
@@ -1013,14 +1032,14 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                if (layout.empty())
                        layout = tclass.defaultLayoutName();
 
-               if (para.forcePlainLayout()) 
+               if (para.forcePlainLayout())
                        // in this case only the empty layout is allowed
                        layout = tclass.plainLayoutName();
                else if (para.usePlainLayout()) {
-                       // in this case, default layout maps to empty layout 
+                       // in this case, default layout maps to empty layout
                        if (layout == tclass.defaultLayoutName())
                                layout = tclass.plainLayoutName();
-               } else { 
+               } else {
                        // otherwise, the empty layout maps to the default
                        if (layout == tclass.plainLayoutName())
                                layout = tclass.defaultLayoutName();
@@ -1148,18 +1167,18 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        // Single-click on work area
        case LFUN_MOUSE_PRESS:
                // We are not marking a selection with the keyboard in any case.
-               cur.bv().cursor().mark() = false;
+               cur.bv().cursor().setMark(false);
                switch (cmd.button()) {
                case mouse_button::button1:
                        // Set the cursor
                        if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
                                cur.updateFlags(Update::SinglePar | Update::FitCursor);
-                       break;                  
+                       break;
 
                case mouse_button::button2:
                        // Middle mouse pasting.
                        bv->mouseSetCursor(cur);
-                       if (!cap::selection()) {                        
+                       if (!cap::selection()) {
                                // There is no local selection in the current buffer, so try to
                                // paste primary selection instead.
                                lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE,
@@ -1189,7 +1208,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        }
                        if (!bv->mouseSetCursor(cur, false))
                                cur.updateFlags(Update::SinglePar | Update::FitCursor);
-                       break;                  
+                       break;
                }
 
                default:
@@ -1230,7 +1249,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                // We continue with our existing selection or start a new one, so don't
                // reset the anchor.
                bvcur.setCursor(cur);
-               bvcur.selection() = true;
+               bvcur.setSelection(true);
                if (cur.top() == old) {
                        // We didn't move one iota, so no need to update the screen.
                        cur.updateFlags(Update::SinglePar | Update::FitCursor);
@@ -1438,7 +1457,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                else
                        p["symbol"] = cmd.argument();
                string const data = InsetCommand::params2string("nomenclature", p);
-               bv->showDialog("nomenclature", data);   
+               bv->showDialog("nomenclature", data);
                break;
        }
 
@@ -1491,7 +1510,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        cur.push(*inset);
                        cur.top().pos() = cur.top().lastpos();
                        cur.resetAnchor();
-                       cur.selection() = true;
+                       cur.setSelection(true);
                        cur.top().pos() = 0;
                }
                break;
@@ -1612,9 +1631,9 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_FINISHED_LEFT:
                LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
-               // We're leaving an inset, going left. If the inset is LTR, we're 
+               // We're leaving an inset, going left. If the inset is LTR, we're
                // leaving from the front, so we should not move (remain at --- but
-               // not in --- the inset). If the inset is RTL, move left, without 
+               // not in --- the inset). If the inset is RTL, move left, without
                // entering the inset itself; i.e., move to after the inset.
                if (cur.paragraph().getFontSettings(
                                cur.bv().buffer().params(), cur.pos()).isRightToLeft())
@@ -1623,9 +1642,9 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_FINISHED_RIGHT:
                LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
-               // We're leaving an inset, going right. If the inset is RTL, we're 
+               // We're leaving an inset, going right. If the inset is RTL, we're
                // leaving from the front, so we should not move (remain at --- but
-               // not in --- the inset). If the inset is LTR, move right, without 
+               // not in --- the inset). If the inset is LTR, move right, without
                // entering the inset itself; i.e., move to after the inset.
                if (!cur.paragraph().getFontSettings(
                                cur.bv().buffer().params(), cur.pos()).isRightToLeft())
@@ -1655,7 +1674,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                params2string(cur.paragraph(), data);
 
                // Will the paragraph accept changes from the dialog?
-               bool const accept = 
+               bool const accept =
                        cur.inset().allowParagraphCustomization(cur.idx());
 
                data = "update " + convert<string>(accept) + '\n' + data;
@@ -1706,7 +1725,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        // FIXME If this call were replaced with one to clearParagraphParams(),
                        // then we could get rid of this method altogether.
                        setParagraphs(cur, p);
-                       // FIXME This should be simplified when InsetFloatList takes a 
+                       // FIXME This should be simplified when InsetFloatList takes a
                        // Buffer in its constructor.
                        InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
                        ifl->setBuffer(bv->buffer());
@@ -1748,17 +1767,17 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                // Given data, an encoding of the ParagraphParameters
                // generated in the Paragraph dialog, this function sets
                // the current paragraph, or currently selected paragraphs,
-               // appropriately. 
+               // appropriately.
                // NOTE: This function overrides all existing settings.
                setParagraphs(cur, cmd.argument());
                cur.message(_("Paragraph layout set"));
                break;
        }
-       
+
        case LFUN_PARAGRAPH_PARAMS: {
                // Given data, an encoding of the ParagraphParameters as we'd
-               // find them in a LyX file, this function modifies the current paragraph, 
-               // or currently selected paragraphs. 
+               // find them in a LyX file, this function modifies the current paragraph,
+               // or currently selected paragraphs.
                // NOTE: This function only modifies, and does not override, existing
                // settings.
                setParagraphs(cur, cmd.argument(), true);
@@ -1768,7 +1787,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_ESCAPE:
                if (cur.selection()) {
-                       cur.selection() = false;
+                       cur.setSelection(false);
                } else {
                        cur.undispatched();
                        // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
@@ -1925,6 +1944,8 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                break;
        case LFUN_LISTING_INSERT:
                code = LISTINGS_CODE;
+               // not allowed in description items
+               enable = !inDescriptionItem(cur);
                break;
        case LFUN_FOOTNOTE_INSERT:
                code = FOOT_CODE;
@@ -1938,26 +1959,34 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
        case LFUN_FLOAT_INSERT:
        case LFUN_FLOAT_WIDE_INSERT:
                code = FLOAT_CODE;
+               // not allowed in description items
+               enable = !inDescriptionItem(cur);
                break;
        case LFUN_WRAP_INSERT:
                code = WRAP_CODE;
+               // not allowed in description items
+               enable = !inDescriptionItem(cur);
                break;
        case LFUN_FLOAT_LIST_INSERT:
                code = FLOAT_LIST_CODE;
                break;
        case LFUN_CAPTION_INSERT:
                code = CAPTION_CODE;
+               // not allowed in description items
+               enable = !inDescriptionItem(cur);
                break;
        case LFUN_NOTE_INSERT:
                code = NOTE_CODE;
-               // in commands (sections etc., only Notes are allowed)
+               // in commands (sections etc.) and description items,
+               // only Notes are allowed
                enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
-                         !cur.paragraph().layout().isCommand());
+                         (!cur.paragraph().layout().isCommand()
+                          && !inDescriptionItem(cur)));
                break;
        case LFUN_FLEX_INSERT: {
                code = FLEX_CODE;
                string s = cmd.getArg(0);
-               InsetLayout il = 
+               InsetLayout il =
                        cur.buffer().params().documentClass().insetLayout(from_utf8(s));
                if (il.lyxtype() != "charstyle" &&
                    il.lyxtype() != "custom" &&
@@ -2070,7 +2099,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                                enable = !theClipboard().empty();
                        break;
                }
-               
+
                // we have an argument
                string const arg = to_utf8(cmd.argument());
                if (isStrUnsignedInt(arg)) {
@@ -2079,7 +2108,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                        enable = cap::numberOfSelections() > n;
                        break;
                }
-               
+
                // explicit graphics type?
                if ((arg == "pdf" && theClipboard().hasGraphicsContents(Clipboard::PdfGraphicsType))
                    || (arg == "png" && theClipboard().hasGraphicsContents(Clipboard::PngGraphicsType))
@@ -2088,7 +2117,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                        enable = true;
                        break;
                }
-               
+
                // unknown argument
                enable = false;
                break;
@@ -2116,7 +2145,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                        enable = cur.inset().lyxCode() == FLEX_CODE
                                 && il.lyxtype() == to_utf8(cmd.argument());
                } else {
-                       enable = !isMainText(cur.bv().buffer()) 
+                       enable = !isMainText(cur.bv().buffer())
                                 && cur.inset().nargs() == 1;
                }
                break;
@@ -2148,13 +2177,18 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
 
        case LFUN_SET_GRAPHICS_GROUP: {
                InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
-               if (!ins) 
+               if (!ins)
                        enable = false;
                else
                        flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
                break;
        }
 
+       case LFUN_NEWPAGE_INSERT:
+               // not allowed in description items
+               enable = !inDescriptionItem(cur);
+               break;
+
        case LFUN_WORD_DELETE_FORWARD:
        case LFUN_WORD_DELETE_BACKWARD:
        case LFUN_LINE_DELETE:
@@ -2203,7 +2237,6 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
        case LFUN_DATE_INSERT:
        case LFUN_SELF_INSERT:
        case LFUN_LINE_INSERT:
-       case LFUN_NEWPAGE_INSERT:
        case LFUN_MATH_DISPLAY:
        case LFUN_MATH_MODE:
        case LFUN_MATH_MACRO:
@@ -2276,4 +2309,22 @@ void Text::pasteString(Cursor & cur, docstring const & clip,
        }
 }
 
+
+// FIXME: an item inset would make things much easier.
+bool Text::inDescriptionItem(Cursor & cur) const
+{
+       Paragraph & par = cur.paragraph();
+       pos_type const pos = cur.pos();
+       pos_type const body_pos = par.beginOfBody();
+
+       if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
+           && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
+               || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
+               return false;
+
+       return (pos < body_pos
+               || (pos == body_pos
+                   && (pos == 0 || par.getChar(pos - 1) != ' ')));
+}
+
 } // namespace lyx