* BufferView_pimpl.C:

* lyxtext.h:
	* text.C:
	* text2.C:
	* text3.C:
	* undo_funcs.[Ch]: use paroffset_type instead of
	  ParagraphList::iterators to prevent multiple conversion
	  (and get a more robust interface)


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7909 a592a061-630c-0410-9148-cb99ea01b6c8

src/BufferView_pimpl.C

@@ -1340,7 +1340,7 @@ bool BufferView::Pimpl::insertInset(InsetOld * inset, string const & lout)
 	}
 
 	// not quite sure if we want this...
-	recordUndo(bv_, Undo::ATOMIC);
+	bv_->text->recUndo(bv_->text->cursor.par());
 	freezeUndo();
 
 	beforeChange(bv_->text);

src/ChangeLog

@@ -1,3 +1,15 @@
+
+2003-10-13  André Pönitz  <poenitz@gmx.net>
+
+	* BufferView_pimpl.C:
+	* lyxtext.h:
+	* text.C:
+	* text2.C:
+	* text3.C:
+	* undo_funcs.[Ch]: use paroffset_type instead of
+	  ParagraphList::iterators to prevent multiple conversion
+	  (and get a more robust interface)
+
 2003-10-13  Lars Gullik Bjønnes  <larsbj@gullik.net>
 
 	* lyxfunc.C (dispatch): RESULT -> dispatch_result

src/insets/insettabular.C

@@ -635,8 +635,12 @@ dispatch_result InsetTabular::localDispatch(FuncRequest const & cmd)
 
 	if (cmd.action == LFUN_INSET_EDIT) {
 
+		lyxerr << "InsetTabular::edit: " << this << " args: '"
+			<< cmd.argument << "'  first cell: "
+			<< &tabular.cell_info[0][0].inset << endl;
+
 		if (!bv->lockInset(this)) {
-			lyxerr[Debug::INSETTEXT] << "InsetTabular::Cannot lock inset" << endl;
+			lyxerr << "InsetTabular::Cannot lock inset" << endl;
 			return DISPATCHED;
 		}
 
@@ -2538,6 +2542,11 @@ bool InsetTabular::forceDefaultParagraphs(InsetOld const * in) const
 	if (cell != -1)
 		return tabular.getPWidth(cell).zero();
 
+	// this is a workaround for a crash (New, Insert->Tabular,
+	// Insert->FootNote)
+	if (!owner()) 
+		return false;
+
 	// well we didn't obviously find it so maybe our owner knows more
 	BOOST_ASSERT(owner());
 	return owner()->forceDefaultParagraphs(in);

src/insets/insettext.C

@@ -1336,7 +1336,7 @@ void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
 
 
 	if (text_.selection.set())
-		recordUndo(bv, Undo::ATOMIC, text_.cursorPar());
+		text_.recUndo(text_.cursor.par());
 
 	if (selectall) {
 		text_.cursorTop();

src/lyxtext.h

@@ -258,6 +258,10 @@ public:
 			 lyx::pos_type pos,
 			 LyXFont const & font) const;
 
+	///
+	void recUndo(lyx::paroffset_type first, lyx::paroffset_type last) const;
+	///
+	void recUndo(lyx::paroffset_type first) const;
 	///
 	void setCursorFromCoordinates(int x, int y);
 	///

src/text.C

@@ -1206,7 +1206,7 @@ void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
 	   && layout->labeltype != LABEL_SENSITIVE)
 		return;
 
-	recordUndo(bv(), Undo::ATOMIC, cursorPar());
+	recUndo(cursor.par());
 
 	// Always break behind a space
 	//
@@ -1284,7 +1284,7 @@ void LyXText::redoParagraph()
 // same Paragraph one to the right and make a rebreak
 void LyXText::insertChar(char c)
 {
-	recordUndo(bv(), Undo::INSERT, cursorPar());
+	recordUndo(bv(), Undo::INSERT, ownerParagraphs(), cursor.par(), cursor.par());
 
 	// When the free-spacing option is set for the current layout,
 	// disable the double-space checking
@@ -1568,7 +1568,7 @@ void LyXText::acceptChange()
 	if (selection.start.par() == selection.end.par()) {
 		LyXCursor & startc = selection.start;
 		LyXCursor & endc = selection.end;
-		recordUndo(bv(), Undo::INSERT, getPar(startc));
+		recordUndo(bv(), Undo::INSERT, ownerParagraphs(), startc.par());
 		getPar(startc)->acceptChange(startc.pos(), endc.pos());
 		finishUndo();
 		clearSelection();
@@ -1587,7 +1587,7 @@ void LyXText::rejectChange()
 	if (selection.start.par() == selection.end.par()) {
 		LyXCursor & startc = selection.start;
 		LyXCursor & endc = selection.end;
-		recordUndo(bv(), Undo::INSERT, getPar(startc));
+		recordUndo(bv(), Undo::INSERT, ownerParagraphs(), startc.par());
 		getPar(startc)->rejectChange(startc.pos(), endc.pos());
 		finishUndo();
 		clearSelection();
@@ -1797,7 +1797,7 @@ void LyXText::changeCase(LyXText::TextCase action)
 		setCursor(to.par(), to.pos() + 1);
 	}
 
-	recordUndo(bv(), Undo::ATOMIC, getPar(from), getPar(to));
+	recordUndo(bv(), Undo::ATOMIC, ownerParagraphs(), from.par(), to.par());
 
 	pos_type pos = from.pos();
 	int par = from.par();
@@ -1858,11 +1858,7 @@ void LyXText::Delete()
 
 	// if you had success make a backspace
 	if (old_cursor.par() != cursor.par() || old_cursor.pos() != cursor.pos()) {
-		LyXCursor tmpcursor = cursor;
+		recordUndo(bv(), Undo::DELETE, ownerParagraphs(), old_cursor.par());
-		// to make sure undo gets the right cursor position
-		cursor = old_cursor;
-		recordUndo(bv(), Undo::DELETE, cursorPar());
-		cursor = tmpcursor;
 		backspace();
 	}
 }
@@ -1911,11 +1907,9 @@ void LyXText::backspace()
 			}
 		}
 
-		if (cursorPar() != ownerParagraphs().begin()) {
+		if (cursor.par() != 0)
-			recordUndo(bv(), Undo::DELETE,
+			recordUndo(bv(), Undo::DELETE, ownerParagraphs(),
-				boost::prior(cursorPar()),
+				cursor.par() - 1, cursor.par());
-				cursorPar());
-		}
 
 		ParagraphList::iterator tmppit = cursorPar();
 		// We used to do cursorLeftIntern() here, but it is
@@ -1954,7 +1948,7 @@ void LyXText::backspace()
 	} else {
 		// this is the code for a normal backspace, not pasting
 		// any paragraphs
-		recordUndo(bv(), Undo::DELETE, cursorPar());
+		recordUndo(bv(), Undo::DELETE, ownerParagraphs(), cursor.par());
 		// We used to do cursorLeftIntern() here, but it is
 		// not a good idea since it triggers the auto-delete
 		// mechanism. So we do a cursorLeftIntern()-lite,
@@ -1988,7 +1982,7 @@ ParagraphList::iterator LyXText::getPar(LyXCursor const & cur) const
 ParagraphList::iterator LyXText::getPar(int par) const
 {
 	BOOST_ASSERT(par >= 0);
-	BOOST_ASSERT(par < ownerParagraphs().size());
+	BOOST_ASSERT(par < int(ownerParagraphs().size()));
 	ParagraphList::iterator pit = ownerParagraphs().begin();
 	std::advance(pit, par);
 	return pit;

src/text2.C

@@ -276,7 +276,7 @@ void LyXText::toggleInset()
 
 	// do we want to keep this?? (JMarc)
 	if (!isHighlyEditableInset(inset))
-		recordUndo(bv(), Undo::ATOMIC);
+		recUndo(cursor.par());
 
 	if (inset->isOpen())
 		inset->close(bv());
@@ -328,7 +328,7 @@ LyXText::setLayout(LyXCursor & cur, LyXCursor & sstart_cur,
 		++endpit;
 	}
 
-	recordUndo(bv(), Undo::ATOMIC, getPar(sstart_cur), boost::prior(undoendpit));
+	recUndo(sstart_cur.par(), parOffset(undoendpit) - 1);
 
 	// ok we have a selection. This is always between sstart_cur
 	// and sel_end cursor
@@ -421,7 +421,7 @@ bool LyXText::changeDepth(bv_funcs::DEPTH_CHANGE type, bool test_only)
 	ParagraphList::iterator pastend = boost::next(end);
 
 	if (!test_only)
-		recordUndo(bv(), Undo::ATOMIC, start, end);
+		recUndo(parOffset(start), parOffset(end));
 
 	bool changed = false;
 
@@ -514,7 +514,7 @@ void LyXText::setFont(LyXFont const & font, bool toggleall)
 	// ok we have a selection. This is always between sel_start_cursor
 	// and sel_end cursor
 
-	recordUndo(bv(), Undo::ATOMIC, getPar(selection.start), getPar(selection.end));
+	recUndo(selection.start.par(), selection.end.par());
 	freezeUndo();
 	cursor = selection.start;
 	while (cursor.par() != selection.end.par() ||
@@ -787,8 +787,7 @@ void LyXText::setParagraph(bool line_top, bool line_bottom,
 		++endpit;
 	}
 
-	recordUndo(bv(), Undo::ATOMIC, getPar(selection.start),
+	recUndo(selection.start.par(), parOffset(undoendpit) - 1);
-		boost::prior(undoendpit));
 
 
 	int tmppit = selection.end.par();
@@ -1125,7 +1124,7 @@ void LyXText::insertInset(InsetOld * inset)
 {
 	if (!cursorPar()->insetAllowed(inset->lyxCode()))
 		return;
-	recordUndo(bv(), Undo::ATOMIC, cursorPar());
+	recUndo(cursor.par());
 	freezeUndo();
 	cursorPar()->insertInset(cursor.pos(), inset);
 	// Just to rebreak and refresh correctly.
@@ -1175,8 +1174,7 @@ void LyXText::cutSelection(bool doclear, bool realcut)
 		++endpit;
 	}
 
-	recordUndo(bv(), Undo::DELETE, getPar(selection.start),
+	recUndo(selection.start.par(), parOffset(undoendpit) - 1);
-		   boost::prior(undoendpit));
 
 	endpit = getPar(selection.end.par());
 	int endpos = selection.end.pos();
@@ -1246,7 +1244,7 @@ void LyXText::pasteSelection(size_t sel_index)
 	if (!CutAndPaste::checkPastePossible())
 		return;
 
-	recordUndo(bv(), Undo::INSERT, cursorPar());
+	recUndo(cursor.par());
 
 	ParagraphList::iterator endpit;
 	PitPosPair ppp;
@@ -1289,7 +1287,7 @@ void LyXText::setSelectionRange(lyx::pos_type length)
 // simple replacing. The font of the first selected character is used
 void LyXText::replaceSelectionWithString(string const & str)
 {
-	recordUndo(bv(), Undo::ATOMIC);
+	recUndo(cursor.par());
 	freezeUndo();
 
 	if (!selection.set()) { // create a dummy selection
@@ -1325,7 +1323,7 @@ void LyXText::insertStringAsLines(string const & str)
 	pos_type pos = cursor.pos();
 	ParagraphList::iterator endpit = boost::next(cursorPar());
 
-	recordUndo(bv(), Undo::ATOMIC);
+	recUndo(cursor.par());
 
 	// only to be sure, should not be neccessary
 	clearSelection();
@@ -1905,7 +1903,7 @@ bool LyXText::deleteEmptyParagraphMechanism(LyXCursor const & old_cursor)
 		while (endpit != ownerParagraphs().end() && endpit->getDepth())
 			++endpit;
 
-		recordUndo(bv(), Undo::DELETE, old_pit, boost::prior(endpit));
+		recUndo(parOffset(old_pit), parOffset(endpit) - 1);
 		cursor = tmpcursor;
 
 		// delete old par
@@ -1938,6 +1936,18 @@ ParagraphList & LyXText::ownerParagraphs() const
 }
 
 
+void LyXText::recUndo(paroffset_type first, paroffset_type last) const
+{
+	recordUndo(bv(), Undo::ATOMIC, ownerParagraphs(), first, last);
+}
+
+
+void LyXText::recUndo(lyx::paroffset_type par) const
+{
+	recordUndo(bv(), Undo::ATOMIC, ownerParagraphs(), par, par);
+}
+
+
 bool LyXText::isInInset() const
 {
 	// Sub-level has non-null bv owner and non-null inset owner.

src/text3.C

@@ -412,14 +412,14 @@ dispatch_result LyXText::dispatch(FuncRequest const & cmd)
 
 		for (; tmp != end; ++tmp) {
 			if (tmp->params().startOfAppendix()) {
-				recordUndo(bv, Undo::ATOMIC, tmp);
+				recUndo(parOffset(tmp));
 				tmp->params().startOfAppendix(false);
 				redoParagraph(tmp);
 				break;
 			}
 		}
 
-		recordUndo(bv, Undo::ATOMIC, pit);
+		recUndo(parOffset(pit));
 		pit->params().startOfAppendix(start);
 
 		// we can set the refreshing parameters now
@@ -964,7 +964,7 @@ dispatch_result LyXText::dispatch(FuncRequest const & cmd)
 		break;
 
 	case LFUN_TRANSPOSE_CHARS:
-		recordUndo(bv, Undo::ATOMIC, cursorPar());
+		recUndo(cursor.par());
 		redoParagraph();
 		bv->update();
 		break;
@@ -1434,7 +1434,7 @@ dispatch_result LyXText::dispatch(FuncRequest const & cmd)
 			// ...or maybe the recordUndo()
 			// below isn't necessary at all anylonger?
 			if (inset_hit->lyxCode() == InsetOld::REF_CODE)
-				recordUndo(bv, Undo::ATOMIC);
+				recUndo(cursor.par());
 
 			bv->owner()->message(inset_hit->editMessage());
 

src/undo_funcs.C

@@ -17,6 +17,7 @@
 #include "undo_funcs.h"
 
 #include "buffer.h"
+#include "debug.h"
 #include "BufferView.h"
 #include "funcrequest.h"
 #include "iterators.h"
@@ -25,8 +26,13 @@
 
 #include "insets/updatableinset.h"
 
+#include <iostream>
 
-/// The flag used by FinishUndo().
+using std::endl;
+using lyx::paroffset_type;
+
+
+/// The flag used by finishUndo().
 bool undo_finished;
 
 /// Whether actions are not added to the undo stacks.
@@ -36,18 +42,22 @@ namespace {
 
 
 void recordUndo(BufferView * bv, Undo::undo_kind kind,
-	ParagraphList::iterator first, ParagraphList::iterator last,
+	ParagraphList & plist, paroffset_type firstpar, paroffset_type lastpar,
 	limited_stack<Undo> & stack)
 {
 	Buffer * buf = bv->buffer();
 
+	ParagraphList::iterator first = plist.begin();
+	advance(first, firstpar);
+	ParagraphList::iterator last = plist.begin();
+	advance(last, lastpar);
+
 	// First, record inset id, if cursor is in one
 	UpdatableInset * inset = first->inInset();
 	LyXText * text = inset ? inset->getLyXText(bv) : bv->text;
 	int const inset_id = inset ? inset->id() : -1;
 
 	// We simply record the entire outer paragraphs
-	ParagraphList & plist = buf->paragraphs();
 	ParIterator null = buf->par_iterator_end();
 
 	// First, identify the outer paragraphs
@@ -59,8 +69,8 @@ void recordUndo(BufferView * bv, Undo::undo_kind kind,
 	}
 
 	// And calculate a stable reference to them
-	int const first_offset = std::distance(plist.begin(), first);
+	int const first_offset = firstpar;
-	int const last_offset = std::distance(last, plist.end());
+	int const last_offset = plist.size() - lastpar;
 
 	// Undo::ATOMIC are always recorded (no overlapping there).
 
@@ -87,6 +97,7 @@ void recordUndo(BufferView * bv, Undo::undo_kind kind,
 		cursor_offset, text->cursor.pos(),
 		ParagraphList()));
 
+	lyxerr << "G" << endl;
 	// Record the relevant paragraphs
 	ParagraphList & undo_pars = stack.top().pars;
 
@@ -103,7 +114,7 @@ void recordUndo(BufferView * bv, Undo::undo_kind kind,
 
 
 // Returns false if no undo possible.
-bool performUndoOrRedo(BufferView * bv, Undo & undo)
+bool performUndoOrRedo(BufferView * bv, Undo const & undo)
 {
 	Buffer * buf = bv->buffer();
 	ParagraphList & plist = buf->paragraphs();
@@ -141,10 +152,17 @@ bool performUndoOrRedo(BufferView * bv, Undo & undo)
 		LyXText * text = inset ? inset->getLyXText(bv) : bv->text;
 		text->setCursorIntern(undo.cursor_par_offset, undo.cursor_pos);
 
+		lyxerr << "undo, inset: " << inset << endl;
+
 		if (inset) {
+			lyxerr << "undo, inset owner: " << inset->owner() << endl;
+
 			// Magic needed to update inset internal state
 			FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
-			inset->localDispatch(cmd);
+			if (inset->owner())
+				inset->owner()->localDispatch(cmd);
+			else
+				inset->localDispatch(cmd);
 		}
 
 		// set cursor again to force the position to be the right one
@@ -247,24 +265,23 @@ bool textRedo(BufferView * bv)
 
 
 void recordUndo(BufferView * bv, Undo::undo_kind kind,
-	     ParagraphList::iterator first, ParagraphList::iterator last)
+	ParagraphList & plist, paroffset_type first, paroffset_type last)
 {
 	if (!undo_frozen) {
-		recordUndo(bv, kind, first, last, bv->buffer()->undostack());
+		recordUndo(bv, kind, plist, first, last, bv->buffer()->undostack());
 		bv->buffer()->redostack().clear();
 	}
 }
 
 
 void recordUndo(BufferView * bv, Undo::undo_kind kind,
-	     ParagraphList::iterator first)
+	ParagraphList & plist, paroffset_type par)
 {
-	recordUndo(bv, kind, first, first);
+	recordUndo(bv, kind, plist, par, par);
 }
 
 
 void recordUndo(BufferView * bv, Undo::undo_kind kind)
 {
-	recordUndo(bv, kind, bv->text->cursorPar());
+	recordUndo(bv, kind, bv->text->ownerParagraphs(), bv->text->cursor.par());
 }
-

src/undo_funcs.h

@@ -18,6 +18,7 @@
 
 #include "undo.h"
 #include "ParagraphList_fwd.h"
+#include "support/types.h"
 
 class BufferView;
 class Paragraph;
@@ -48,10 +49,11 @@ void unFreezeUndo();
  * will record the original information of the paragraphs in the undo stack.
  */
 void recordUndo(BufferView *, Undo::undo_kind kind,
-		    ParagraphList::iterator first, ParagraphList::iterator last);
+	ParagraphList & plist, lyx::paroffset_type first, lyx::paroffset_type last);
+
 /// Convienience: Prepare undo when change in a single paragraph.
 void recordUndo(BufferView *, Undo::undo_kind kind,
-		    ParagraphList::iterator first);
+	ParagraphList & plist, lyx::paroffset_type par);
 
 /// Convienience: Prepare undo for the paragraph that contains the cursor
 void recordUndo(BufferView *, Undo::undo_kind kind);