]> git.lyx.org Git - lyx.git/blobdiff - src/Paragraph.cpp
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[lyx.git] / src / Paragraph.cpp
index 994098df484582bb48e876138917566a2bf2ac11..7b0120ab87bbe44e051690e31a97dd45b93a1a21 100644 (file)
@@ -56,6 +56,7 @@
 
 #include "support/debug.h"
 #include "support/docstring_list.h"
+#include "support/ExceptionMessage.h"
 #include "support/gettext.h"
 #include "support/lassert.h"
 #include "support/lstrings.h"
@@ -564,6 +565,50 @@ Paragraph::Private::Private(Private const & p, Paragraph * owner,
 }
 
 
+/////////////////////////////////////////////////////////////////////
+//
+// Paragraph
+//
+/////////////////////////////////////////////////////////////////////
+
+namespace {
+
+/** This helper class should be instantiated at the start of methods
+ * that can create or merge changes. If as a result the value of
+ * Paragraph::isChanged is modified, it makes sure that updateBuffer()
+ * will be run.
+ */
+struct ChangesMonitor {
+       ///
+       ChangesMonitor(Paragraph & par)
+               : par_(par), was_changed_(par.isChanged()) {}
+       ///
+       ~ChangesMonitor()
+       {
+               /* We may need to run updateBuffer to check whether the buffer
+                * contains changes (and toggle the changes toolbar). We do it
+                * when:
+                * 1. the `changedness' of the paragraph has changed,
+                * 2. and we are not in the situation where the buffer has changes
+                * and new changes are added to the paragraph.
+                */
+               try {
+                       if (par_.isChanged() != was_changed_
+                               && par_.inInset().isBufferValid()
+                               && !(par_.inInset().buffer().areChangesPresent() && par_.isChanged()))
+                               par_.inInset().buffer().forceUpdate();
+               } catch(support::ExceptionMessage const &) {}
+       }
+
+private:
+       ///
+       Paragraph const & par_;
+       ///
+       bool was_changed_;
+};
+
+}
+
 void Paragraph::addChangesToToc(DocIterator const & cdit, Buffer const & buf,
                                 bool output_active, TocBackend & backend) const
 {
@@ -629,6 +674,9 @@ Change Paragraph::parEndChange() const
 
 void Paragraph::setChange(Change const & change)
 {
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        // beware of the imaginary end-of-par character!
        d->changes_.set(change, 0, size() + 1);
 
@@ -655,6 +703,9 @@ void Paragraph::setChange(Change const & change)
 
 void Paragraph::setChange(pos_type pos, Change const & change)
 {
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        LASSERT(pos >= 0 && pos <= size(), return);
        d->changes_.set(change, pos);
 
@@ -674,6 +725,9 @@ Change const & Paragraph::lookupChange(pos_type pos) const
 
 void Paragraph::acceptChanges(pos_type start, pos_type end)
 {
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        LASSERT(start >= 0 && start <= size(), return);
        LASSERT(end > start && end <= size() + 1, return);
 
@@ -712,6 +766,9 @@ void Paragraph::rejectChanges(pos_type start, pos_type end)
        LASSERT(start >= 0 && start <= size(), return);
        LASSERT(end > start && end <= size() + 1, return);
 
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        for (pos_type pos = start; pos < end; ++pos) {
                switch (lookupChange(pos).type) {
                        case Change::UNCHANGED:
@@ -747,6 +804,9 @@ void Paragraph::Private::insertChar(pos_type pos, char_type c,
 {
        LASSERT(pos >= 0 && pos <= int(text_.size()), return);
 
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*owner_);
+
        // track change
        changes_.insert(change, pos);
 
@@ -779,6 +839,9 @@ bool Paragraph::insertInset(pos_type pos, Inset * inset,
        LASSERT(inset, return false);
        LASSERT(pos >= 0 && pos <= size(), return false);
 
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        // Paragraph::insertInset() can be used in cut/copy/paste operation where
        // d->inset_owner_ is not set yet.
        if (d->inset_owner_ && !d->inset_owner_->insetAllowed(inset->lyxCode()))
@@ -801,6 +864,9 @@ bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
 {
        LASSERT(pos >= 0 && pos <= size(), return false);
 
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        // keep the logic here in sync with the logic of isMergedOnEndOfParDeletion()
 
        if (trackChanges) {
@@ -1129,11 +1195,19 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
 {
        char_type const c = owner_->getUChar(bparams, runparams, i);
 
-       if (style.pass_thru || runparams.pass_thru || runparams.for_search
+       if (style.pass_thru || runparams.pass_thru || (runparams.for_searchAdv != OutputParams::NoSearch)
            || contains(style.pass_thru_chars, c)
            || contains(runparams.pass_thru_chars, c)) {
-               if ((c == '\\') && runparams.for_search)
-                       os << "\\\\";
+               if (runparams.for_searchAdv != OutputParams::NoSearch) {
+                       if (c == '\\')
+                               os << "\\\\";
+                       else if (c == '{')
+                               os << "\\braceleft ";
+                       else if (c == '}')
+                               os << "\\braceright ";
+                       else if (c != '\0')
+                               os.put(c);
+               }
                else if (c != '\0') {
                        Encoding const * const enc = runparams.encoding;
                        if (enc && !enc->encodable(c))
@@ -1699,6 +1773,9 @@ void Paragraph::insert(pos_type pos, docstring const & str,
 void Paragraph::appendChar(char_type c, Font const & font,
                Change const & change)
 {
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        // track change
        d->changes_.insert(change, d->text_.size());
        // when appending characters, no need to update tables
@@ -1711,6 +1788,9 @@ void Paragraph::appendChar(char_type c, Font const & font,
 void Paragraph::appendString(docstring const & s, Font const & font,
                Change const & change)
 {
+       // Make sure that Buffer::hasChangesPresent is updated
+       ChangesMonitor cm(*this);
+
        pos_type end = s.size();
        size_t oldsize = d->text_.size();
        size_t newsize = oldsize + end;
@@ -2509,6 +2589,11 @@ void Paragraph::latex(BufferParams const & bparams,
                char_type const c = d->text_[i];
 
                // Check whether a display math inset follows
+               bool output_changes;
+               if (runparams.for_searchAdv == OutputParams::NoSearch)
+                       output_changes = bparams.output_changes;
+               else
+                       output_changes = (runparams.for_searchAdv == OutputParams::SearchWithDeleted);
                if (c == META_INSET
                    && i >= start_pos && (end_pos == -1 || i < end_pos)) {
                        if (isDeleted(i))
@@ -2524,7 +2609,7 @@ void Paragraph::latex(BufferParams const & bparams,
                                // cannot set it here because it is a counter.
                                deleted_display_math = isDeleted(i);
                        }
-                       if (bparams.output_changes && deleted_display_math
+                       if (output_changes && deleted_display_math
                            && runningChange == change
                            && change.type == Change::DELETED
                            && !os.afterParbreak()) {
@@ -2547,7 +2632,7 @@ void Paragraph::latex(BufferParams const & bparams,
                        }
                }
 
-               if (bparams.output_changes && runningChange != change) {
+               if (output_changes && runningChange != change) {
                        if (!alien_script.empty()) {
                                column += 1;
                                os << "}";
@@ -2570,7 +2655,7 @@ void Paragraph::latex(BufferParams const & bparams,
 
                // do not output text which is marked deleted
                // if change tracking output is disabled
-               if (!bparams.output_changes && change.deleted()) {
+               if (!output_changes && change.deleted()) {
                        continue;
                }
 
@@ -2584,7 +2669,7 @@ void Paragraph::latex(BufferParams const & bparams,
                                      : current_font;
 
                Font const last_font = running_font;
-               bool const in_ct_deletion = (bparams.output_changes
+               bool const in_ct_deletion = (output_changes
                                             && runningChange == change
                                             && change.type == Change::DELETED
                                             && !os.afterParbreak());
@@ -3363,6 +3448,10 @@ std::vector<docstring> Paragraph::simpleDocBookOnePar(Buffer const & buf,
 
        // Parsing main loop.
        for (pos_type i = initial; i < size(); ++i) {
+           bool ignore_fonts_i = ignore_fonts
+                              || style.docbooknofontinside()
+                              || (getInset(i) && getInset(i)->getLayout().docbooknofontinside());
+
                // Don't show deleted material in the output.
                if (isDeleted(i))
                        continue;
@@ -3370,7 +3459,7 @@ std::vector<docstring> Paragraph::simpleDocBookOnePar(Buffer const & buf,
                // If this is an InsetNewline, generate a new paragraph. Also reset the fonts, so that tags are closed in
                // this paragraph.
                if (getInset(i) && getInset(i)->lyxCode() == NEWLINE_CODE) {
-                       if (!ignore_fonts)
+                       if (!ignore_fonts_i)
                                xs->closeFontTags();
 
                        // Output one paragraph (i.e. one string entry in generatedParagraphs).
@@ -3383,7 +3472,7 @@ std::vector<docstring> Paragraph::simpleDocBookOnePar(Buffer const & buf,
                        xs = new XMLStream(os);
 
                        // Restore the fonts for the new paragraph, so that the right tags are opened for the new entry.
-                       if (!ignore_fonts) {
+                       if (!ignore_fonts_i) {
                                font_old = outerfont.fontInfo();
                                fs = old_fs;
                        }
@@ -3391,24 +3480,23 @@ std::vector<docstring> Paragraph::simpleDocBookOnePar(Buffer const & buf,
 
                // Determine which tags should be opened or closed regarding fonts.
                Font const font = getFont(buf.masterBuffer()->params(), i, outerfont);
-               if (!ignore_fonts) {
-                       tie(tagsToOpen, tagsToClose) = computeDocBookFontSwitch(font_old, font, default_family, fs);
-
-                       // FIXME XHTML
-                       // Other such tags? What about the other text ranges?
-
-                       vector<xml::EndFontTag>::const_iterator cit = tagsToClose.begin();
-                       vector<xml::EndFontTag>::const_iterator cen = tagsToClose.end();
-                       for (; cit != cen; ++cit)
-                               *xs << *cit;
-
-                       // Deal with the delayed characters *after* closing font tags.
-                       if (!delayedChars.empty()) {
-                               for (char_type c: delayedChars)
-                                       *xs << c;
-                               delayedChars.clear();
-                       }
-
+        tie(tagsToOpen, tagsToClose) = computeDocBookFontSwitch(font_old, font, default_family, fs);
+
+               if (!ignore_fonts_i) {
+            vector<xml::EndFontTag>::const_iterator cit = tagsToClose.begin();
+            vector<xml::EndFontTag>::const_iterator cen = tagsToClose.end();
+            for (; cit != cen; ++cit)
+                *xs << *cit;
+        }
+
+        // Deal with the delayed characters *after* closing font tags.
+        if (!delayedChars.empty()) {
+            for (char_type c: delayedChars)
+                *xs << c;
+            delayedChars.clear();
+        }
+
+        if (!ignore_fonts_i) {
                        vector<xml::FontTag>::const_iterator sit = tagsToOpen.begin();
                        vector<xml::FontTag>::const_iterator sen = tagsToOpen.end();
                        for (; sit != sen; ++sit)
@@ -3418,6 +3506,7 @@ std::vector<docstring> Paragraph::simpleDocBookOnePar(Buffer const & buf,
                        tagsToOpen.clear();
                }
 
+        // Finally, write the next character or inset.
                if (Inset const * inset = getInset(i)) {
                        if (!runparams.for_toc || inset->isInToc()) {
                                OutputParams np = runparams;
@@ -4059,6 +4148,14 @@ docstring Paragraph::asString(pos_type beg, pos_type end, int options, const Out
                        if (c == META_INSET && (options & AS_STR_PLAINTEXT)) {
                                LASSERT(runparams != nullptr, return docstring());
                                getInset(i)->plaintext(os, *runparams);
+                       } else if (c == META_INSET && (options & AS_STR_MATHED)
+                                  && getInset(i)->lyxCode() == REF_CODE) {
+                               Buffer const & buf = getInset(i)->buffer();
+                               OutputParams rp(&buf.params().encoding());
+                               Font const font(inherit_font, buf.params().language);
+                               rp.local_font = &font;
+                               otexstream ots(os);
+                               getInset(i)->latex(ots, rp);
                        } else {
                                getInset(i)->toString(os);
                        }
@@ -4393,25 +4490,31 @@ int Paragraph::find(docstring const & str, bool cs, bool mw,
                        if (pos == parsize - 1)
                                break;
                        pos++;
+                       --i;
                        continue;
                }
                // Ignore "invisible" letters such as ligature breaks
                // and hyphenation chars while searching
-               while (pos < parsize - 1 && isInset(pos)) {
+               bool nonmatch = false;
+               while (pos < parsize && isInset(pos)) {
                        Inset const * inset = getInset(pos);
-                       if (!inset->isLetter())
+                       if (!inset->isLetter() && !inset->isChar())
                                break;
                        odocstringstream os;
                        inset->toString(os);
                        if (!os.str().empty()) {
                                int const insetstringsize = os.str().length();
                                for (int j = 0; j < insetstringsize && pos < parsize; ++i, ++j) {
-                                       if (str[i] != os.str()[j])
+                                       if (str[i] != os.str()[j]) {
+                                               nonmatch = true;
                                                break;
+                                       }
                                }
                        }
                        pos++;
                }
+               if (nonmatch || i == strsize)
+                       break;
                if (cs && str[i] != d->text_[pos])
                        break;
                if (!cs && uppercase(str[i]) != uppercase(d->text_[pos]))