]> git.lyx.org Git - lyx.git/blobdiff - src/Text.cpp
Move editing, shortcuts, keyboard/mouse and completion to a separate category in...
[lyx.git] / src / Text.cpp
index 456584b8c75341811f06bd2d63dbcc167a7ebab1..cf3263ba2bb1d98892acb8bebbdcef5d2ebd0ad6 100644 (file)
@@ -26,8 +26,8 @@
 #include "BufferParams.h"
 #include "BufferView.h"
 #include "Changes.h"
+#include "CompletionList.h"
 #include "Cursor.h"
-#include "ParIterator.h"
 #include "CutAndPaste.h"
 #include "DispatchResult.h"
 #include "Encoding.h"
 #include "Paragraph.h"
 #include "paragraph_funcs.h"
 #include "ParagraphParameters.h"
+#include "ParIterator.h"
 #include "TextClass.h"
 #include "TextMetrics.h"
 #include "VSpace.h"
 #include "WordLangTuple.h"
+#include "WordList.h"
 
 #include "insets/InsetText.h"
 #include "insets/InsetBibitem.h"
 #include "insets/InsetCaption.h"
-#include "insets/InsetHFill.h"
 #include "insets/InsetLine.h"
 #include "insets/InsetNewline.h"
 #include "insets/InsetNewpage.h"
@@ -96,7 +97,7 @@ void readParToken(Buffer const & buf, Paragraph & par, Lexer & lex,
                font = Font(inherit_font, bp.language);
                change = Change(Change::UNCHANGED);
 
-               TextClass const & tclass = bp.textClass();
+               DocumentClass const & tclass = bp.documentClass();
 
                if (layoutname.empty())
                        layoutname = tclass.defaultLayoutName();
@@ -125,12 +126,12 @@ void readParToken(Buffer const & buf, Paragraph & par, Lexer & lex,
                                        tclass.defaultLayoutName();
                }
 
-               par.setLayout(bp.textClass()[layoutname]);
+               par.setLayout(bp.documentClass()[layoutname]);
 
                // Test whether the layout is obsolete.
-               LayoutPtr const & layout = par.layout();
-               if (!layout->obsoleted_by().empty())
-                       par.setLayout(bp.textClass()[layout->obsoleted_by()]);
+               Layout const & layout = par.layout();
+               if (!layout.obsoleted_by().empty())
+                       par.setLayout(bp.documentClass()[layout.obsoleted_by()]);
 
                par.params().read(lex);
 
@@ -197,49 +198,26 @@ void readParToken(Buffer const & buf, Paragraph & par, Lexer & lex,
        } else if (token == "\\color") {
                lex.next();
                setLyXColor(lex.getString(), font.fontInfo());
-       } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
-
-               // Insets don't make sense in a free-spacing context! ---Kayvan
-               if (par.isFreeSpacing()) {
-                       if (token == "\\InsetSpace")
-                               par.appendChar(' ', font, change);
-                       else if (lex.isOK()) {
-                               lex.next();
-                               string const next_token = lex.getString();
-                               if (next_token == "\\-")
-                                       par.appendChar('-', font, change);
-                               else {
-                                       lex.printError("Token `$$Token' "
-                                                      "is in free space "
-                                                      "paragraph layout!");
-                               }
-                       }
-               } else {
+       } else if (token == "\\SpecialChar") {
                        auto_ptr<Inset> inset;
-                       if (token == "\\SpecialChar" )
-                               inset.reset(new InsetSpecialChar);
-                       else
-                               inset.reset(new InsetSpace);
-                       inset->read(buf, lex);
+                       inset.reset(new InsetSpecialChar);
+                       inset->read(lex);
                        par.insertInset(par.size(), inset.release(),
                                        font, change);
-               }
        } else if (token == "\\backslash") {
                par.appendChar('\\', font, change);
        } else if (token == "\\linebreak") {
                auto_ptr<Inset> inset(new InsetLinebreak);
-               inset->read(buf, lex);
+               inset->read(lex);
                par.insertInset(par.size(), inset.release(), font, change);
        } else if (token == "\\newline") {
                auto_ptr<Inset> inset(new InsetNewline);
-               inset->read(buf, lex);
+               inset->read(lex);
                par.insertInset(par.size(), inset.release(), font, change);
        } else if (token == "\\LyXTable") {
                auto_ptr<Inset> inset(new InsetTabular(buf));
-               inset->read(buf, lex);
+               inset->read(lex);
                par.insertInset(par.size(), inset.release(), font, change);
-       } else if (token == "\\hfill") {
-               par.insertInset(par.size(), new InsetHFill, font, change);
        } else if (token == "\\lyxline") {
                par.insertInset(par.size(), new InsetLine, font, change);
        } else if (token == "\\newpage") {
@@ -331,12 +309,41 @@ void readParagraph(Buffer const & buf, Paragraph & par, Lexer & lex,
 
 } // namespace anon
 
+class TextCompletionList : public CompletionList
+{
+public:
+       ///
+       TextCompletionList(Cursor const & cur)
+       : buf_(cur.buffer()), pos_(0) {}
+       ///
+       virtual ~TextCompletionList() {}
+       
+       ///
+       virtual bool sorted() const { return true; }
+       ///
+       virtual size_t size() const
+       {
+               return theWordList().size();
+       }
+       ///
+       virtual docstring const & data(size_t idx) const
+       {
+               return theWordList().word(idx);
+       }
+       
+private:
+       ///
+       Buffer const & buf_;
+       ///
+       size_t pos_;
+};
+
 
 bool Text::empty() const
 {
        return pars_.empty() || (pars_.size() == 1 && pars_[0].empty()
                // FIXME: Should we consider the labeled type as empty too? 
-               && pars_[0].layout()->labeltype == LABEL_NO_LABEL);
+               && pars_[0].layout().labeltype == LABEL_NO_LABEL);
 }
 
 
@@ -355,13 +362,13 @@ void Text::breakParagraph(Cursor & cur, bool inverse_logic)
        Paragraph & cpar = cur.paragraph();
        pit_type cpit = cur.pit();
 
-       TextClass const & tclass = cur.buffer().params().textClass();
-       LayoutPtr const & layout = cpar.layout();
+       DocumentClass const & tclass = cur.buffer().params().documentClass();
+       Layout const & layout = cpar.layout();
 
        // this is only allowed, if the current paragraph is not empty
        // or caption and if it has not the keepempty flag active
        if (cur.lastpos() == 0 && !cpar.allowEmpty() &&
-           layout->labeltype != LABEL_SENSITIVE)
+           layout.labeltype != LABEL_SENSITIVE)
                return;
 
        // a layout change may affect also the following paragraph
@@ -374,12 +381,12 @@ void Text::breakParagraph(Cursor & cur, bool inverse_logic)
 
        // What should the layout for the new paragraph be?
        bool keep_layout = inverse_logic ? 
-               !layout->isEnvironment() 
-               : layout->isEnvironment();
+               !layout.isEnvironment() 
+               : layout.isEnvironment();
 
        // We need to remember this before we break the paragraph, because
        // that invalidates the layout variable
-       bool sensitive = layout->labeltype == LABEL_SENSITIVE;
+       bool sensitive = layout.labeltype == LABEL_SENSITIVE;
 
        // we need to set this before we insert the paragraph.
        bool const isempty = cpar.allowEmpty() && cpar.empty();
@@ -437,7 +444,7 @@ void Text::insertChar(Cursor & cur, char_type c)
        // try to remove this
        pit_type const pit = cur.pit();
 
-       bool const freeSpacing = par.layout()->free_spacing ||
+       bool const freeSpacing = par.layout().free_spacing ||
                par.isFreeSpacing();
 
        if (lyxrc.auto_number) {
@@ -450,8 +457,8 @@ void Text::insertChar(Cursor & cur, char_type c)
                            !(contains(number_seperators, c) &&
                              cur.pos() != 0 &&
                              cur.pos() != cur.lastpos() &&
-                             tm.getDisplayFont(pit, cur.pos()).fontInfo().number() == FONT_ON &&
-                             tm.getDisplayFont(pit, cur.pos() - 1).fontInfo().number() == FONT_ON)
+                             tm.displayFont(pit, cur.pos()).fontInfo().number() == FONT_ON &&
+                             tm.displayFont(pit, cur.pos() - 1).fontInfo().number() == FONT_ON)
                           )
                                number(cur); // Set current_font.number to OFF
                } else if (isDigit(c) &&
@@ -469,7 +476,7 @@ void Text::insertChar(Cursor & cur, char_type c)
                                                tm.font_);
                                } else if (contains(number_seperators, c)
                                     && cur.pos() >= 2
-                                    && tm.getDisplayFont(pit, cur.pos() - 2).fontInfo().number() == FONT_ON) {
+                                    && tm.displayFont(pit, cur.pos() - 2).fontInfo().number() == FONT_ON) {
                                        setCharFont(buffer, pit, cur.pos() - 1, cur.current_font,
                                                tm.font_);
                                }
@@ -502,7 +509,7 @@ void Text::insertChar(Cursor & cur, char_type c)
        if ((cur.pos() >= 2) && (par.isLineSeparator(cur.pos() - 1))) {
                // get font in front and behind the space in question. But do NOT 
                // use getFont(cur.pos()) because the character c is not inserted yet
-               Font const pre_space_font  = tm.getDisplayFont(cur.pit(), cur.pos() - 2);
+               Font const pre_space_font  = tm.displayFont(cur.pit(), cur.pos() - 2);
                Font const & post_space_font = cur.real_current_font;
                bool pre_space_rtl  = pre_space_font.isVisibleRightToLeft();
                bool post_space_rtl = post_space_font.isVisibleRightToLeft();
@@ -515,7 +522,7 @@ void Text::insertChar(Cursor & cur, char_type c)
                                (pre_space_rtl == par.isRTL(buffer.params())) ?
                                pre_space_font.language() : post_space_font.language();
 
-                       Font space_font = tm.getDisplayFont(cur.pit(), cur.pos() - 1);
+                       Font space_font = tm.displayFont(cur.pit(), cur.pos() - 1);
                        space_font.setLanguage(lang);
                        par.setFont(cur.pos() - 1, space_font);
                }
@@ -581,19 +588,7 @@ void Text::charInserted(Cursor & cur)
            && !par.isLetter(cur.pos() - 1)) {
                // get the word in front of cursor
                BOOST_ASSERT(this == cur.text());
-               CursorSlice focus = cur.top();
-               focus.backwardPos();
-               CursorSlice from = focus;
-               CursorSlice to = focus;
-               getWord(from, to, PREVIOUS_WORD);
-               if (focus == from || to == from)
-                       return;
-               docstring word
-               = par.asString(cur.buffer(), from.pos(), to.pos(), false);
-
-               // register words longer than 5 characters
-               if (word.length() > 5)
-                       cur.buffer().registerWord(word);
+               cur.paragraph().updateWords(cur.top());
        }
 }
 
@@ -899,7 +894,7 @@ void Text::changeCase(Cursor & cur, TextCase action)
 
 bool Text::handleBibitems(Cursor & cur)
 {
-       if (cur.paragraph().layout()->labeltype != LABEL_BIBLIO)
+       if (cur.paragraph().layout().labeltype != LABEL_BIBLIO)
                return false;
 
        if (cur.pos() != 0)
@@ -927,10 +922,7 @@ bool Text::handleBibitems(Cursor & cur)
        } 
 
        // otherwise reset to default
-       if (par.useEmptyLayout())
-               cur.paragraph().setLayout(bufparams.textClass().emptyLayout());
-       else
-               cur.paragraph().setLayout(bufparams.textClass().defaultLayout());
+       cur.paragraph().setEmptyOrDefaultLayout(bufparams.documentClass());
        return true;
 }
 
@@ -991,7 +983,7 @@ bool Text::backspacePos0(Cursor & cur)
        bool needsUpdate = false;
 
        BufferParams const & bufparams = cur.buffer().params();
-       TextClass const & tclass = bufparams.textClass();
+       DocumentClass const & tclass = bufparams.documentClass();
        ParagraphList & plist = cur.text()->paragraphs();
        Paragraph const & par = cur.paragraph();
        Cursor prevcur = cur;
@@ -1019,8 +1011,8 @@ bool Text::backspacePos0(Cursor & cur)
        // Correction: Pasting is always allowed with standard-layout
        // or the empty layout.
        else if (par.layout() == prevpar.layout()
-                || par.layout() == tclass.defaultLayout()
-                || par.layout() == tclass.emptyLayout()) {
+                || tclass.isDefaultLayout(par.layout())
+                || tclass.isEmptyLayout(par.layout())) {
                cur.recordUndo(ATOMIC_UNDO, prevcur.pit());
                mergeParagraph(bufparams, plist, prevcur.pit());
                needsUpdate = true;
@@ -1116,7 +1108,7 @@ bool Text::dissolveInset(Cursor & cur) {
                for (; it != it_end; it++)
                        it->changeLanguage(b.params(), latex_language, b.language());
 
-               pasteParagraphList(cur, plist, b.params().textClassIndex(),
+               pasteParagraphList(cur, plist, b.params().documentClassPtr(),
                                   b.errorList("Paste"));
                // restore position
                cur.pit() = min(cur.lastpit(), spit);
@@ -1129,7 +1121,7 @@ bool Text::dissolveInset(Cursor & cur) {
 
 
 void Text::getWord(CursorSlice & from, CursorSlice & to,
-       word_location const loc)
+       word_location const loc) const
 {
        Paragraph const & from_par = pars_[from.pit()];
        switch (loc) {
@@ -1161,7 +1153,7 @@ void Text::getWord(CursorSlice & from, CursorSlice & to,
                break;
        }
        to = from;
-       Paragraph & to_par = pars_[to.pit()];
+       Paragraph const & to_par = pars_[to.pit()];
        while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
                ++to.pos();
 }
@@ -1173,7 +1165,7 @@ void Text::write(Buffer const & buf, ostream & os) const
        ParagraphList::const_iterator end = paragraphs().end();
        depth_type dth = 0;
        for (; pit != end; ++pit)
-               pit->write(buf, os, buf.params(), dth);
+               pit->write(os, buf.params(), dth);
 
        // Close begin_deeper
        for(; dth > 0; --dth)
@@ -1218,6 +1210,10 @@ bool Text::read(Buffer const & buf, Lexer & lex,
                        // not BufferParams
                        lyx::readParagraph(buf, pars_.back(), lex, errorList);
 
+                       // register the words in the global word list
+                       CursorSlice sl = CursorSlice(*insetPtr);
+                       sl.pit() = pars_.size() - 1;
+                       pars_.back().updateWords(sl);
                } else if (token == "\\begin_deeper") {
                        ++depth;
                } else if (token == "\\end_deeper") {
@@ -1316,10 +1312,10 @@ docstring Text::getPossibleLabel(Cursor & cur) const
 {
        pit_type pit = cur.pit();
 
-       LayoutPtr layout = pars_[pit].layout();
+       Layout const * layout = &(pars_[pit].layout());
 
        docstring text;
-       docstring par_text = pars_[pit].asString(cur.buffer(), false);
+       docstring par_text = pars_[pit].asString(false);
        string piece;
        // the return string of math matrices might contain linebreaks
        par_text = subst(par_text, '\n', '-');
@@ -1343,7 +1339,7 @@ docstring Text::getPossibleLabel(Cursor & cur) const
 
        // For section, subsection, etc...
        if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
-               LayoutPtr const & layout2 = pars_[pit - 1].layout();
+               Layout const * layout2 = &(pars_[pit - 1].layout());
                if (layout2->latextype != LATEX_PARAGRAPH) {
                        --pit;
                        layout = layout2;
@@ -1460,4 +1456,48 @@ void Text::setMacrocontextPosition(DocIterator const & pos)
 }
 
 
+docstring Text::previousWord(CursorSlice const & sl) const
+{
+       CursorSlice from = sl;
+       CursorSlice to = sl;
+       getWord(from, to, PREVIOUS_WORD);
+       if (sl == from || to == from)
+               return docstring();
+       
+       Paragraph const & par = sl.paragraph();
+       return par.asString(from.pos(), to.pos(), false);
+}
+
+
+bool Text::completionSupported(Cursor const & cur) const
+{
+       Paragraph const & par = cur.paragraph();
+       return cur.pos() > 0
+               && (cur.pos() >= par.size() || !par.isLetter(cur.pos()))
+               && par.isLetter(cur.pos() - 1);
+}
+
+
+CompletionList const * Text::createCompletionList(Cursor const & cur) const
+{
+       return new TextCompletionList(cur);
+}
+
+
+bool Text::insertCompletion(Cursor & cur, docstring const & s, bool /*finished*/)
+{      
+       BOOST_ASSERT(cur.bv().cursor() == cur);
+       cur.insert(s);
+       cur.bv().cursor() = cur;
+       if (!(cur.disp_.update() & Update::Force))
+               cur.updateFlags(cur.disp_.update() | Update::SinglePar);
+       return true;
+}
+       
+       
+docstring Text::completionPrefix(Cursor const & cur) const
+{
+       return previousWord(cur.top());
+}
+
 } // namespace lyx