]> git.lyx.org Git - lyx.git/blobdiff - src/paragraph.C
move some selection related stuff over to textcursor.C
[lyx.git] / src / paragraph.C
index 53b9601704278fa485844b093db8853352244d2c..fbedfeedc9ebcf65a828d1212cc7926d429e9d2a 100644 (file)
 
 #include "paragraph.h"
 #include "paragraph_pimpl.h"
-#include "lyxrc.h"
-#include "layout.h"
-#include "language.h"
+
 #include "buffer.h"
 #include "bufferparams.h"
-#include "debug.h"
-#include "texrow.h"
 #include "BufferView.h"
+#include "changes.h"
 #include "encoding.h"
-#include "ParameterStruct.h"
+#include "debug.h"
 #include "gettext.h"
-#include "changes.h"
+#include "language.h"
+#include "latexrunparams.h"
+#include "layout.h"
+#include "lyxrc.h"
+#include "paragraph_funcs.h"
+#include "ParameterStruct.h"
+#include "texrow.h"
+
+#include "Lsstream.h"
 
 #include "insets/insetbibitem.h"
 #include "insets/insetoptarg.h"
+#include "insets/insetenv.h"
 
 #include "support/filetools.h"
 #include "support/lstrings.h"
@@ -61,53 +67,48 @@ Inset * minibuffer_inset;
 } // namespace anon
 
 
-extern BufferView * current_view;
-
-
 Paragraph::Paragraph()
        : pimpl_(new Paragraph::Pimpl(this))
 {
-#ifndef NO_NEXT
-       next_ = 0;
-       previous_ = 0;
-#endif
        enumdepth = 0;
        itemdepth = 0;
        params().clear();
 }
 
 
-#ifndef NO_NEXT
-// This constructor inserts the new paragraph in a list.
-// It is placed after par.
-Paragraph::Paragraph(Paragraph * par)
-       : pimpl_(new Paragraph::Pimpl(this))
+Paragraph::Paragraph(Paragraph const & lp)
+       : pimpl_(new Paragraph::Pimpl(*lp.pimpl_, this))
 {
        enumdepth = 0;
        itemdepth = 0;
+       // this is because of the dummy layout of the paragraphs that
+       // follow footnotes
+       layout_ = lp.layout();
 
-       // double linked list begin
-       next_ = par->next_;
-       if (next_)
-               next_->previous_ = this;
-       previous_ = par;
-       previous_->next_ = this;
-       // end
-
-       params().clear();
+       // copy everything behind the break-position to the new paragraph
+       insetlist = lp.insetlist;
+       InsetList::iterator it = insetlist.begin();
+       InsetList::iterator end = insetlist.end();
+       for (; it != end; ++it) {
+               // currently we hold Inset*, not InsetBase*
+               it->inset = static_cast<Inset*>(it->inset->clone());
+               // tell the new inset who is the boss now
+               it->inset->parOwner(this);
+       }
 }
-#endif
 
 
-Paragraph::Paragraph(Paragraph const & lp, bool same_ids)
-       : pimpl_(new Paragraph::Pimpl(*lp.pimpl_, this, same_ids))
+void Paragraph::operator=(Paragraph const & lp)
 {
-       enumdepth = 0;
-       itemdepth = 0;
-#ifndef NO_NEXT
-       next_     = 0;
-       previous_ = 0;
-#endif
+       // needed as we will destroy the pimpl_ before copying it
+       if (&lp != this)
+               return;
+       lyxerr << "Paragraph::operator=()\n";
+       delete pimpl_;
+       pimpl_ = new Pimpl(*lp.pimpl_, this);
+
+       enumdepth = lp.enumdepth;
+       itemdepth = lp.itemdepth;
        // this is because of the dummy layout of the paragraphs that
        // follow footnotes
        layout_ = lp.layout();
@@ -117,24 +118,15 @@ Paragraph::Paragraph(Paragraph const & lp, bool same_ids)
        InsetList::iterator it = insetlist.begin();
        InsetList::iterator end = insetlist.end();
        for (; it != end; ++it) {
-               it.setInset(it.getInset()->clone(*current_view->buffer(),
-                                                same_ids));
+               it->inset = static_cast<Inset*>(it->inset->clone());
                // tell the new inset who is the boss now
-               it.getInset()->parOwner(this);
+               it->inset->parOwner(this);
        }
 }
 
-
 // the destructor removes the new paragraph from the list
 Paragraph::~Paragraph()
 {
-#ifndef NO_NEXT
-       if (previous_)
-               previous_->next_ = next_;
-       if (next_)
-               next_->previous_ = previous_;
-#endif
-
        delete pimpl_;
        //
        //lyxerr << "Paragraph::paragraph_id = "
@@ -265,7 +257,7 @@ void Paragraph::copyIntoMinibuffer(Buffer const & buffer, pos_type pos) const
        minibuffer_inset = 0;
        if (minibuffer_char == Paragraph::META_INSET) {
                if (getInset(pos)) {
-                       minibuffer_inset = getInset(pos)->clone(buffer);
+                       minibuffer_inset = static_cast<Inset *>(getInset(pos)->clone());
                } else {
                        minibuffer_inset = 0;
                        minibuffer_char = ' ';
@@ -323,13 +315,13 @@ void Paragraph::eraseIntern(lyx::pos_type pos)
 }
 
 
-void Paragraph::erase(pos_type pos)
+bool Paragraph::erase(pos_type pos)
 {
-       pimpl_->erase(pos);
+       return pimpl_->erase(pos);
 }
 
 
-bool Paragraph::erase(pos_type start, pos_type end)
+int Paragraph::erase(pos_type start, pos_type end)
 {
        return pimpl_->erase(start, end);
 }
@@ -433,10 +425,8 @@ LyXFont const Paragraph::getFirstFontSettings() const
 // The difference is that this one is used for generating the LaTeX file,
 // and thus cosmetic "improvements" are disallowed: This has to deliver
 // the true picture of the buffer. (Asger)
-// If position is -1, we get the layout font of the paragraph.
-// If position is -2, we get the font of the manual label of the paragraph.
-LyXFont const Paragraph::getFont(BufferParams const & bparams,
-                                pos_type pos) const
+LyXFont const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
+                                LyXFont const & outerfont) const
 {
        lyx::Assert(pos >= 0);
 
@@ -452,30 +442,35 @@ LyXFont const Paragraph::getFont(BufferParams const & bparams,
 
        LyXFont tmpfont = getFontSettings(bparams, pos);
        tmpfont.realize(layoutfont);
+       tmpfont.realize(outerfont);
 
-       return pimpl_->realizeFont(tmpfont, bparams);
+       return realizeFont(tmpfont, bparams);
 }
 
 
-LyXFont const Paragraph::getLabelFont(BufferParams const & bparams) const
+LyXFont const Paragraph::getLabelFont(BufferParams const & bparams,
+                                     LyXFont const & outerfont) const
 {
        LyXLayout_ptr const & lout = layout();
 
        LyXFont tmpfont = lout->labelfont;
        tmpfont.setLanguage(getParLanguage(bparams));
+       tmpfont.realize(outerfont);
 
-       return pimpl_->realizeFont(tmpfont, bparams);
+       return realizeFont(tmpfont, bparams);
 }
 
 
-LyXFont const Paragraph::getLayoutFont(BufferParams const & bparams) const
+LyXFont const Paragraph::getLayoutFont(BufferParams const & bparams,
+                                      LyXFont const & outerfont) const
 {
        LyXLayout_ptr const & lout = layout();
 
        LyXFont tmpfont = lout->font;
        tmpfont.setLanguage(getParLanguage(bparams));
+       tmpfont.realize(outerfont);
 
-       return pimpl_->realizeFont(tmpfont, bparams);
+       return realizeFont(tmpfont, bparams);
 }
 
 
@@ -619,58 +614,17 @@ void Paragraph::setFont(pos_type pos, LyXFont const & font)
 }
 
 
-#ifndef NO_NEXT
-void Paragraph::next(Paragraph * p)
-{
-       next_ = p;
-}
-
-
-// This function is able to hide closed footnotes.
-Paragraph * Paragraph::next()
-{
-       return next_;
-}
-
-
-Paragraph const * Paragraph::next() const
-{
-       return next_;
-}
-
-
-void Paragraph::previous(Paragraph * p)
-{
-       previous_ = p;
-}
-
-
-// This function is able to hide closed footnotes.
-Paragraph * Paragraph::previous()
-{
-       return previous_;
-}
-
-
-// This function is able to hide closed footnotes.
-Paragraph const * Paragraph::previous() const
-{
-       return previous_;
-}
-#endif
-
-
-void Paragraph::makeSameLayout(Paragraph const * par)
+void Paragraph::makeSameLayout(Paragraph const & par)
 {
-       layout(par->layout());
+       layout(par.layout());
        // move to pimpl?
-       params() = par->params();
+       params() = par.params();
 }
 
 
 int Paragraph::stripLeadingSpaces()
 {
-       if (layout()->free_spacing || isFreeSpacing())
+       if (isFreeSpacing())
                return 0;
 
        int i = 0;
@@ -683,40 +637,11 @@ int Paragraph::stripLeadingSpaces()
 }
 
 
-bool Paragraph::hasSameLayout(Paragraph const * par) const
+bool Paragraph::hasSameLayout(Paragraph const & par) const
 {
        return
-               par->layout() == layout() &&
-               params().sameLayout(par->params());
-}
-
-
-int Paragraph::getEndLabel() const
-{
-       Paragraph const * par = this;
-       depth_type par_depth = getDepth();
-       while (par) {
-               LyXLayout_ptr const & layout = par->layout();
-               int const endlabeltype = layout->endlabeltype;
-
-               if (endlabeltype != END_LABEL_NO_LABEL) {
-                       if (!next_)
-                               return endlabeltype;
-
-                       depth_type const next_depth = next_->getDepth();
-                       if (par_depth > next_depth ||
-                           (par_depth == next_depth
-                            && layout != next_->layout()))
-                               return endlabeltype;
-                       break;
-               }
-               if (par_depth == 0)
-                       break;
-               par = par->outerHook();
-               if (par)
-                       par_depth = par->getDepth();
-       }
-       return END_LABEL_NO_LABEL;
+               par.layout() == layout() &&
+               params().sameLayout(par.params());
 }
 
 
@@ -788,7 +713,7 @@ int Paragraph::beginningOfBody() const
                char previous_char = 0;
                char temp = 0;
                if (i < size()) {
-                       previous_char = getChar(i);
+                       previous_char = getChar(i);
                        if (!isNewline(i)) {
                                ++i;
                                while (i < size() && previous_char != ' ') {
@@ -807,78 +732,24 @@ int Paragraph::beginningOfBody() const
 }
 
 
-Paragraph * Paragraph::depthHook(depth_type depth)
-{
-       Paragraph * newpar = this;
-
-       do {
-               newpar = newpar->previous();
-       } while (newpar && newpar->getDepth() > depth);
-
-       if (!newpar) {
-               if (previous() || getDepth())
-                       lyxerr << "ERROR (Paragraph::DepthHook): "
-                               "no hook." << endl;
-               newpar = this;
-       }
-
-       return newpar;
-}
-
-
-Paragraph const * Paragraph::depthHook(depth_type depth) const
-{
-       Paragraph const * newpar = this;
-
-       do {
-               newpar = newpar->previous();
-       } while (newpar && newpar->getDepth() > depth);
-
-       if (!newpar) {
-               if (previous() || getDepth())
-                       lyxerr << "ERROR (Paragraph::DepthHook): "
-                               "no hook." << endl;
-               newpar = this;
-       }
-
-       return newpar;
-}
-
-
-Paragraph * Paragraph::outerHook()
-{
-       if (!getDepth())
-               return 0;
-       return depthHook(depth_type(getDepth() - 1));
-}
-
-
-Paragraph const * Paragraph::outerHook() const
-{
-       if (!getDepth())
-               return 0;
-       return depthHook(depth_type(getDepth() - 1));
-}
-
-
 // returns -1 if inset not found
 int Paragraph::getPositionOfInset(Inset const * inset) const
 {
        // Find the entry.
-       InsetList::iterator it = insetlist.begin();
-       InsetList::iterator end = insetlist.end();
+       InsetList::const_iterator it = insetlist.begin();
+       InsetList::const_iterator end = insetlist.end();
        for (; it != end; ++it)
-               if (it.getInset() == inset)
-                       return it.getPos();
+               if (it->inset == inset)
+                       return it->pos;
        return -1;
 }
 
 
-InsetBibitem * Paragraph::bibitem()
+InsetBibitem * Paragraph::bibitem() const
 {
-       InsetList::iterator it = insetlist.begin();
-       if (it != insetlist.end() && it.getInset()->lyxCode() == Inset::BIBTEX_CODE)
-               return static_cast<InsetBibitem *>(it.getInset());
+       InsetList::const_iterator it = insetlist.begin();
+       if (it != insetlist.end() && it->inset->lyxCode() == Inset::BIBTEX_CODE)
+               return static_cast<InsetBibitem *>(it->inset);
        return 0;
 }
 
@@ -1003,8 +874,9 @@ int Paragraph::endTeXParParams(BufferParams const & bparams,
 // This one spits out the text of the paragraph
 bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                                BufferParams const & bparams,
+                               LyXFont const & outerfont,
                                ostream & os, TexRow & texrow,
-                               bool moving_arg)
+                               LatexRunParams const & runparams)
 {
        lyxerr[Debug::LATEX] << "SimpleTeXOnePar...     " << this << endl;
 
@@ -1043,11 +915,12 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
        if (body_pos > 0) {
                os << '[';
                ++column;
-               basefont = getLabelFont(bparams);
+               basefont = getLabelFont(bparams, outerfont);
        } else {
-               basefont = getLayoutFont(bparams);
+               basefont = getLayoutFont(bparams, outerfont);
        }
 
+       bool moving_arg = runparams.moving_arg;
        moving_arg |= style->needprotect;
 
        // Which font is currently active?
@@ -1057,7 +930,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
 
        Change::Type running_change = Change::UNCHANGED;
 
-       texrow.start(this, 0);
+       texrow.start(id(), 0);
 
        // if the paragraph is empty, the loop will not be entered at all
        if (empty()) {
@@ -1079,7 +952,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                                        column += running_font.latexWriteEndChanges(os, basefont, basefont);
                                        open_font = false;
                                }
-                               basefont = getLayoutFont(bparams);
+                               basefont = getLayoutFont(bparams, outerfont);
                                running_font = basefont;
                                os << ']';
                                ++column;
@@ -1097,7 +970,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                value_type c = getChar(i);
 
                // Fully instantiated font
-               LyXFont font = getFont(bparams, i);
+               LyXFont font = getFont(bparams, i, outerfont);
 
                LyXFont const last_font = running_font;
 
@@ -1105,7 +978,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                // outside font change, i.e. we write "\textXX{text} "
                // rather than "\textXX{text }". (Asger)
                if (open_font && c == ' ' && i <= size() - 2) {
-                       LyXFont const & next_font = getFont(bparams, i + 1);
+                       LyXFont const & next_font = getFont(bparams, i + 1, outerfont);
                        if (next_font != running_font
                            && next_font != font) {
                                font = next_font;
@@ -1149,10 +1022,13 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                column += Changes::latexMarkChange(os, running_change, change);
                running_change = change;
 
+               LatexRunParams rp = runparams;
+               rp.moving_arg = moving_arg;
+               rp.free_spacing = style->free_spacing;
                pimpl_->simpleTeXSpecialChars(buf, bparams,
-                                             os, texrow, moving_arg,
+                                             os, texrow, runparams,
                                              font, running_font,
-                                             basefont, open_font,
+                                             basefont, outerfont, open_font,
                                              running_change,
                                              *style, i, column, c);
        }
@@ -1167,7 +1043,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                        running_font
                                .latexWriteEndChanges(os, basefont,
                                                      next_->getFont(bparams,
-                                                     0));
+                                                     0, outerfont));
                } else {
                        running_font.latexWriteEndChanges(os, basefont,
                                                          basefont);
@@ -1265,9 +1141,12 @@ Paragraph::getParLanguage(BufferParams const & bparams) const
 {
        if (!empty()) {
                return getFirstFontSettings().language();
-       } else if (previous_)
+#warning FIXME we should check the prev par as well (Lgb)
+#if 0
+       } else if (previous_) {
                return previous_->getParLanguage(bparams);
-       else
+#endif
+       }else
                return bparams.language;
 }
 
@@ -1282,7 +1161,7 @@ bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
 
 
 void Paragraph::changeLanguage(BufferParams const & bparams,
-                                 Language const * from, Language const * to)
+                              Language const * from, Language const * to)
 {
        for (pos_type i = 0; i < size(); ++i) {
                LyXFont font = getFontSettings(bparams, i);
@@ -1313,6 +1192,7 @@ bool Paragraph::isMultiLingual(BufferParams const & bparams)
 // Used for building the table of contents
 string const Paragraph::asString(Buffer const * buffer, bool label) const
 {
+#if 0
        string s;
        if (label && !params().labelString().empty())
                s += params().labelString() + ' ';
@@ -1330,6 +1210,11 @@ string const Paragraph::asString(Buffer const * buffer, bool label) const
        }
 
        return s;
+#else
+       // This should really be done by the caller and not here.
+       string ret(asString(buffer, 0, size(), label));
+       return subst(ret, '\n', ' ');
+#endif
 }
 
 
@@ -1345,7 +1230,7 @@ string const Paragraph::asString(Buffer const * buffer,
                value_type const c = getUChar(buffer->params, i);
                if (IsPrintable(c))
                        os << c;
-               else if (c == META_INSET) 
+               else if (c == META_INSET)
                        getInset(i)->ascii(buffer, os);
        }
 
@@ -1353,14 +1238,14 @@ string const Paragraph::asString(Buffer const * buffer,
 }
 
 
-void Paragraph::setInsetOwner(Inset * i)
+void Paragraph::setInsetOwner(UpdatableInset * inset)
 {
-       pimpl_->inset_owner = i;
+       pimpl_->inset_owner = inset;
        InsetList::iterator it = insetlist.begin();
        InsetList::iterator end = insetlist.end();
-       for (; it != end; ++it) 
-               if (it.getInset())
-                       it.getInset()->setOwner(i);
+       for (; it != end; ++it)
+               if (it->inset)
+                       it->inset->setOwner(inset);
 }
 
 
@@ -1378,7 +1263,7 @@ void Paragraph::resizeInsetsLyXText(BufferView * bv)
 }
 
 
-void Paragraph::setContentsFromPar(Paragraph * par)
+void Paragraph::setContentsFromPar(Paragraph const & par)
 {
        pimpl_->setContentsFromPar(par);
 }
@@ -1477,28 +1362,30 @@ int Paragraph::id() const
 }
 
 
-LyXLayout_ptr const & Paragraph::layout() const
+void Paragraph::id(int i)
 {
-       return layout_;
+       pimpl_->id_ = i;
 }
 
 
-void Paragraph::layout(LyXLayout_ptr const & new_layout)
+LyXLayout_ptr const & Paragraph::layout() const
 {
-       layout_ = new_layout;
+/*
+       Inset * inset = inInset();
+       if (inset && inset->lyxCode() == Inset::ENVIRONMENT_CODE)
+               return static_cast<InsetEnvironment*>(inset)->layout();
+*/
+       return layout_;
 }
 
 
-bool Paragraph::isFirstInSequence() const
+void Paragraph::layout(LyXLayout_ptr const & new_layout)
 {
-       Paragraph const * dhook = depthHook(getDepth());
-       return (dhook == this
-               || dhook->layout() != layout()
-               || dhook->getDepth() != getDepth());
+       layout_ = new_layout;
 }
 
 
-Inset * Paragraph::inInset() const
+UpdatableInset * Paragraph::inInset() const
 {
        return pimpl_->inset_owner;
 }
@@ -1529,9 +1416,29 @@ ParagraphParameters const & Paragraph::params() const
 
 bool Paragraph::isFreeSpacing() const
 {
+       if (layout()->free_spacing)
+               return true;
+
        // for now we just need this, later should we need this in some
        // other way we can always add a function to Inset::() too.
        if (pimpl_->inset_owner && pimpl_->inset_owner->owner())
                return (pimpl_->inset_owner->owner()->lyxCode() == Inset::ERT_CODE);
        return false;
 }
+
+
+bool Paragraph::allowEmpty() const
+{
+       if (layout()->keepempty)
+               return true;
+       if (pimpl_->inset_owner && pimpl_->inset_owner->owner())
+               return (pimpl_->inset_owner->owner()->lyxCode() == Inset::ERT_CODE);
+       return false;
+}
+
+
+bool operator==(Paragraph const & lhs, Paragraph const & rhs)
+{
+#warning FIXME this implementatoin must be completely wrong...
+       return &lhs == &rhs;
+}