]> git.lyx.org Git - lyx.git/blobdiff - src/BufferView2.C
I reactivate the code to resize the InsetText on a resize event of the main
[lyx.git] / src / BufferView2.C
index 2dde52ce02830d1566ff12c8f94cdf0783811f5c..a07916d07e7f738cb69f727bba3dc5c5434b37ea 100644 (file)
 #include "support/FileInfo.h"
 #include "support/filetools.h"
 #include "support/lyxfunctional.h" //equal_1st_in_pair
+#include "support/types.h"
+#include "support/lyxalgo.h" // lyx_count
 
 #include <fstream>
-#include <algorithm>
 
 extern BufferList bufferlist;
 
+using lyx::pos_type;
+
 using std::pair;
 using std::endl;
 using std::ifstream;
 using std::vector;
 using std::find;
-using std::count;
 using std::count_if;
 
 
@@ -105,35 +107,134 @@ bool BufferView::insertLyXFile(string const & filen)
 
 bool BufferView::removeAutoInsets()
 {
-       LyXCursor tmpcursor = text->cursor;
-       LyXCursor cursor;
+       // keep track of which pos and par the cursor was on
+       Paragraph * cursor_par = text->cursor.par();
+       Paragraph * cursor_par_prev = cursor_par ? cursor_par->previous() : 0;
+       Paragraph * cursor_par_next = cursor_par ? cursor_par->next() : 0;
+       pos_type cursor_pos = text->cursor.pos();
+
        bool found = false;
 
+       // Trap the deletion of the paragraph the cursor is in.
+       // Iterate until we find a paragraph that won't be immediately deleted.
+       // In reality this should mean we only execute the body of the while
+       // loop once at most.  However for safety we iterate rather than just
+       // make this an if () conditional.
+       while ((cursor_par_prev || cursor_par_next)
+              && text->setCursor(this,
+                                 cursor_par_prev ? cursor_par_prev : cursor_par_next,
+                                 0)) {
+               // We just removed cursor_par so have to fix the "cursor"
+               if (cursor_par_prev) {
+                       // '.' = cursor_par
+                       //  a -> a.
+                       // .
+                       cursor_par = cursor_par_prev;
+                       cursor_pos = cursor_par->size();
+               } else {
+                       // .  -> .a
+                       //  a
+                       cursor_par = cursor_par_next;
+                       cursor_pos = 0;
+               }
+               cursor_par_prev = cursor_par->previous();
+               cursor_par_next = cursor_par->next();
+       }
+
+       // Iterate through the paragraphs removing autoDelete insets as we go.
+       // If the paragraph ends up empty after all the autoDelete insets are
+       // removed that paragraph will be removed by the next setCursor() call.
+       ParIterator it = buffer()->par_iterator_begin();
        ParIterator end = buffer()->par_iterator_end();
-       for (ParIterator it = buffer()->par_iterator_begin();
-            it != end; ++it) {
+       for (; it != end; ++it) {
                Paragraph * par = *it;
-               // this has to be done before the delete
-               if (par->autoDeleteInsets()) {
-                       found = true;
-#ifdef WITH_WARNINGS
-#warning FIXME
-#endif
-                       // The test it.size()==1 was needed to prevent crashes.
-                       if (it.size() == 1) {
-                               text->setCursor(this, cursor, par, 0);
-                               text->redoParagraphs(this, cursor,
-                                                    cursor.par()->next());
-                               text->fullRebreak(this);
+               Paragraph * par_prev = par ? par->previous() : 0;
+               bool removed = false;
+
+               if (text->setCursor(this, par, 0)
+                   && cursor_par == par_prev) {
+                       // The previous setCursor line was deleted and that
+                       // was the cursor_par line.  This can only happen if an
+                       // error box was the sole item on cursor_par.
+                       // It is possible for cursor_par_prev to be stray if
+                       // the line it pointed to only had a error box on it
+                       // so we have to set it to a known correct value.
+                       // This is often the same value it already had.
+                       cursor_par_prev = par->previous();
+                       if (cursor_par_prev) {
+                               // '|' = par, '.' = cursor_par, 'E' = error box
+                               // First step below may occur before while{}
+                               //  a    |a      a     a     a.
+                               //  E -> .E -> |.E -> .  -> |b
+                               // .      b      b    |b
+                               //  b
+                               cursor_par = cursor_par_prev;
+                               cursor_pos = cursor_par_prev->size();
+                               cursor_par_prev = cursor_par->previous();
+                               // cursor_par_next remains the same 
+                       } else if (cursor_par_next) {
+                               // First step below may occur before while{}
+                               // .
+                               //  E -> |.E -> |.  -> . -> .|a
+                               //  a      a      a    |a
+                               cursor_par = cursor_par_next;
+                               cursor_pos = 0;
+                               // cursor_par_prev remains unset
+                               cursor_par_next = cursor_par->next();
+                       } else {
+                               // I can't find a way to trigger this
+                               // so it should be unreachable code
+                               // unless the buffer is corrupted.
+                               lyxerr << "BufferView::removeAutoInsets() is bad\n";
                        }
                }
+
+               Paragraph::inset_iterator pit = par->inset_iterator_begin();
+               Paragraph::inset_iterator pend = par->inset_iterator_end();
+               while (pit != pend) {
+                       if (pit->autoDelete()) {
+                               removed = true;
+                               pos_type const pos = pit.getPos();
+
+                               par->erase(pos);
+                               // We just invalidated par's inset iterators so
+                               // we get the next valid iterator position
+                               pit = par->InsetIterator(pos);
+                               // and ensure we have a valid end iterator.
+                               pend = par->inset_iterator_end();
+
+                               if (cursor_par == par) {
+                                       // update the saved cursor position
+                                       if (cursor_pos > pos)
+                                               --cursor_pos;
+                               }
+                       } else {
+                               ++pit;
+                       }
+               }
+               if (removed) {
+                       found = true;
+                       text->redoParagraph(this);
+               }
        }
 
-       // avoid forbidden cursor positions caused by error removing
-       if (tmpcursor.pos() > tmpcursor.par()->size())
-               tmpcursor.pos(tmpcursor.par()->size());
+       // It is possible that the last line is empty if it was cursor_par
+       // and/or only had an error inset on it.  So we set the cursor to the
+       // start of the doc to force its removal and ensure a valid saved cursor
+       if (text->setCursor(this, text->ownerParagraph(), 0)
+           && 0 == cursor_par_next) {
+               cursor_par = cursor_par_prev;
+               cursor_pos = cursor_par->size();
+       } else if (cursor_pos > cursor_par->size()) {
+               // Some C-Enter lines were removed by the setCursor call which
+               // then invalidated cursor_pos. It could still be "wrong" because
+               // the cursor may appear to have jumped but since we collapsed
+               // some C-Enter lines this should be a reasonable compromise.
+               cursor_pos = cursor_par->size();
+       }
 
-       text->setCursorIntern(this, tmpcursor.par(), tmpcursor.pos());
+       // restore the original cursor in its corrected location.
+       text->setCursorIntern(this, cursor_par, cursor_pos);
 
        return found;
 }
@@ -144,9 +245,9 @@ void BufferView::insertErrors(TeXErrors & terr)
        // Save the cursor position
        LyXCursor cursor = text->cursor;
 
-       for (TeXErrors::Errors::const_iterator cit = terr.begin();
-            cit != terr.end();
-            ++cit) {
+       TeXErrors::Errors::const_iterator cit = terr.begin();
+       TeXErrors::Errors::const_iterator end = terr.end();
+       for (; cit != end; ++cit) {
                string const desctext(cit->error_desc);
                string const errortext(cit->error_text);
                string const msgtxt = desctext + '\n' + errortext;
@@ -163,7 +264,7 @@ void BufferView::insertErrors(TeXErrors & terr)
                Paragraph * texrowpar = 0;
 
                if (tmpid == -1) {
-                       texrowpar = text->firstParagraph();
+                       texrowpar = text->ownerParagraph();
                        tmppos = 0;
                } else {
                        texrowpar = buffer()->getParFromID(tmpid);
@@ -192,7 +293,7 @@ void BufferView::setCursorFromRow(int row)
        Paragraph * texrowpar;
 
        if (tmpid == -1) {
-               texrowpar = text->firstParagraph();
+               texrowpar = text->ownerParagraph();
                tmppos = 0;
        } else {
                texrowpar = buffer()->getParFromID(tmpid);
@@ -426,12 +527,13 @@ bool BufferView::lockInset(UpdatableInset * inset)
                                par->inset_iterator_end();
                        for (; it != end; ++it) {
                                if ((*it) == inset) {
+                                       text->setCursorIntern(this, par, it.getPos());
                                        theLockingInset(inset);
                                        return true;
                                }
                                if ((*it)->getInsetFromID(id)) {
                                        text->setCursorIntern(this, par, it.getPos());
-                                       theLockingInset(static_cast<UpdatableInset *>(*it));
+                                       (*it)->edit(this);
                                        return theLockingInset()->lockInsetInInset(this, inset);
                                }
                        }
@@ -445,7 +547,7 @@ bool BufferView::lockInset(UpdatableInset * inset)
 
 void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
 {
-       if (available() && theLockingInset()) {
+       if (available() && theLockingInset() && !theLockingInset()->nodraw()) {
                LyXCursor cursor = text->cursor;
                Inset * locking_inset = theLockingInset()->getLockingInset();
 
@@ -499,7 +601,7 @@ int BufferView::unlockInset(UpdatableInset * inset)
                inset->insetUnlock(this);
                theLockingInset(0);
                // make sure we update the combo !
-               owner()->setLayout(getLyXText()->cursor.par()->getLayout());
+               owner()->setLayout(getLyXText()->cursor.par()->layout());
                finishUndo();
                return 0;
        } else if (inset && theLockingInset() &&
@@ -578,19 +680,22 @@ bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 {
        // Check if the label 'from' appears more than once
        vector<string> labels = buffer()->getLabelList();
-       if (count(labels.begin(), labels.end(), from) > 1)
+
+       if (lyx::count(labels.begin(), labels.end(), from) > 1)
                return false;
 
        return ChangeInsets(Inset::REF_CODE, from, to);
 }
 
 
-bool BufferView::ChangeCitationsIfUnique(string const & from, string const & to)
+bool BufferView::ChangeCitationsIfUnique(string const & from,
+                                        string const & to)
 {
-
-       vector<pair<string,string> > keys = buffer()->getBibkeyList();  
+       typedef pair<string, string> StringPair;
+       
+       vector<StringPair> keys = buffer()->getBibkeyList();    
        if (count_if(keys.begin(), keys.end(), 
-                    lyx::equal_1st_in_pair<string,string>(from)) 
+                    lyx::equal_1st_in_pair<StringPair>(from)) 
            > 1)
                return false;