X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.C;h=01cfc41d8eef8fbf3e737869f29d0133340a3e2b;hb=e94889a041628203c50b66b9a4add63210de6928;hp=8dfbdbb964d2520716b03903697603291963a26b;hpb=7fa3f39b0de1b3f72fdc402214a6e9293723f25a;p=lyx.git

diff --git a/src/BufferView.C b/src/BufferView.C
index 8dfbdbb964..01cfc41d8e 100644
--- a/src/BufferView.C
+++ b/src/BufferView.C
@@ -1,75 +1,80 @@
 /**
  * \file BufferView.C
- * Copyright 1995-2002 the LyX Team
- * Read the file COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
+ * \author Alfredo Braunstein
  * \author Lars Gullik Bjønnes
- * \author John Levon <moz@compsoc.man.ac.uk>
+ * \author John Levon
+ * \author André Pönitz
+ * \author Jürgen Vigna
+ *
+ * Full author contact details are available in file CREDITS.
  */
 
 #include <config.h>
 
 #include "BufferView.h"
-#include "BufferView_pimpl.h"
 
-#include "LaTeX.h"
-#include "ParagraphParameters.h"
-#include "WordLangTuple.h"
 #include "buffer.h"
 #include "bufferlist.h"
+#include "bufferparams.h"
+#include "BufferView_pimpl.h"
+#include "CutAndPaste.h"
+#include "coordcache.h"
 #include "debug.h"
+#include "funcrequest.h"
+#include "FuncStatus.h"
 #include "gettext.h"
-#include "errorlist.h"
-#include "iterators.h"
+#include "insetiterator.h"
 #include "language.h"
-#include "lyxcursor.h"
-#include "lyxlex.h"
+#include "lyxlayout.h"
 #include "lyxtext.h"
-#include "undo_funcs.h"
-#include "changes.h"
+#include "lyxtextclass.h"
+#include "paragraph.h"
 #include "paragraph_funcs.h"
+#include "pariterator.h"
+#include "texrow.h"
+#include "undo.h"
+#include "WordLangTuple.h"
 
 #include "frontends/Alert.h"
 #include "frontends/Dialogs.h"
 #include "frontends/LyXView.h"
-#include "frontends/WorkArea.h"
 #include "frontends/screen.h"
+#include "frontends/WorkArea.h"
 
 #include "insets/insetcommand.h" // ChangeRefs
-#include "insets/updatableinset.h"
+#include "insets/insettext.h"
+
+using lyx::support::bformat;
 
-#include "support/FileInfo.h"
-#include "support/filetools.h"
-#include "support/types.h"
-#include "support/lyxalgo.h" // lyx_count
+using lyx::cap::setSelectionRange;
+
+using std::distance;
+using std::find;
+using std::string;
+using std::swap;
+using std::vector;
 
-#include <fstream>
 
 extern BufferList bufferlist;
 
-using lyx::pos_type;
-using namespace lyx::support;
 
-using std::pair;
-using std::endl;
-using std::ifstream;
-using std::vector;
-using std::find;
-using std::count_if;
+BufferView::BufferView(LyXView * owner, int width, int height)
+	: pimpl_(new Pimpl(*this, owner, width, height))
+{}
 
 
-BufferView::BufferView(LyXView * owner, int xpos, int ypos,
-		       int width, int height)
-	: pimpl_(new Pimpl(this, owner, xpos, ypos, width, height))
+BufferView::~BufferView()
 {
-	text = 0;
+	delete pimpl_;
 }
 
 
-BufferView::~BufferView()
+void BufferView::unsetXSel()
 {
-	delete text;
-	delete pimpl_;
+	pimpl_->xsel_cache_.set = false;
 }
 
 
@@ -97,15 +102,15 @@ Painter & BufferView::painter() const
 }
 
 
-void BufferView::buffer(Buffer * b)
+void BufferView::setBuffer(Buffer * b)
 {
-	pimpl_->buffer(b);
+	pimpl_->setBuffer(b);
 }
 
 
-bool BufferView::newFile(string const & fn, string const & tn, bool named)
+void BufferView::newFile(string const & fn, string const & tn, bool named)
 {
-	return pimpl_->newFile(fn, tn, named);
+	pimpl_->newFile(fn, tn, named);
 }
 
 
@@ -130,21 +135,15 @@ void BufferView::resize()
 }
 
 
-void BufferView::repaint()
-{
-	pimpl_->repaint();
-}
-
-
 bool BufferView::fitCursor()
 {
 	return pimpl_->fitCursor();
 }
 
 
-void BufferView::update()
+void BufferView::update(Update::flags flags)
 {
-	pimpl_->update();
+	pimpl_->update(flags);
 }
 
 
@@ -160,12 +159,6 @@ void BufferView::scrollDocView(int value)
 }
 
 
-void BufferView::redoCurrentBuffer()
-{
-	pimpl_->redoCurrentBuffer();
-}
-
-
 bool BufferView::available() const
 {
 	return pimpl_->available();
@@ -178,12 +171,6 @@ Change const BufferView::getCurrentChange()
 }
 
 
-void BufferView::beforeChange(LyXText * text)
-{
-	pimpl_->beforeChange(text);
-}
-
-
 void BufferView::savePosition(unsigned int i)
 {
 	pimpl_->savePosition(i);
@@ -201,43 +188,23 @@ bool BufferView::isSavedPosition(unsigned int i)
 	return pimpl_->isSavedPosition(i);
 }
 
-
-void BufferView::update(LyXText * text, UpdateCodes f)
-{
-	pimpl_->update(text, f);
-}
-
-
-void BufferView::update(UpdateCodes f)
+void BufferView::saveSavedPositions()
 {
-	pimpl_->update(f);
+	return pimpl_->saveSavedPositions();
 }
 
-
 void BufferView::switchKeyMap()
 {
 	pimpl_->switchKeyMap();
 }
 
 
-void BufferView::insetUnlock()
-{
-	pimpl_->insetUnlock();
-}
-
-
 int BufferView::workWidth() const
 {
 	return pimpl_->workarea().workWidth();
 }
 
 
-void BufferView::toggleSelection(bool b)
-{
-	pimpl_->toggleSelection(b);
-}
-
-
 void BufferView::center()
 {
 	pimpl_->center();
@@ -256,11 +223,9 @@ void BufferView::stuffClipboard(string const & stuff) const
 }
 
 
-BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
-				  BufferView::UpdateCodes uc2)
+FuncStatus BufferView::getStatus(FuncRequest const & cmd)
 {
-	return static_cast<BufferView::UpdateCodes>
-		(static_cast<int>(uc1) | static_cast<int>(uc2));
+	return pimpl_->getStatus(cmd);
 }
 
 
@@ -270,85 +235,54 @@ bool BufferView::dispatch(FuncRequest const & ev)
 }
 
 
-void BufferView::scroll(int lines)
+void BufferView::selectionRequested()
 {
-	pimpl_->scroll(lines);
+        pimpl_->selectionRequested();
 }
 
 
-// Inserts a file into current document
-bool BufferView::insertLyXFile(string const & filen)
-	//
-	// Copyright CHT Software Service GmbH
-	// Uwe C. Schroeder
-	//
-	// Insert a LyXformat - file into current buffer
-	//
-	// Moved from lyx_cb.C (Lgb)
+void BufferView::selectionLost()
 {
-	if (filen.empty())
-		return false;
-
-	string const fname = MakeAbsPath(filen);
-
-	// check if file exist
-	FileInfo const fi(fname);
-
-	if (!fi.readable()) {
-		string const file = MakeDisplayPath(fname, 50);
-		string const text =
-			bformat(_("The specified document\n%1$s\ncould not be read."), file);
-		Alert::error(_("Could not read document"), text);
-		return false;
-	}
+        pimpl_->selectionLost();
+}
 
-	beforeChange(text);
 
-	ifstream ifs(fname.c_str());
-	if (!ifs) {
-		string const file = MakeDisplayPath(fname, 50);
-		string const text =
-			bformat(_("Could not open the specified document %1$s\n"), file);
-		Alert::error(_("Could not open file"), text);
-		return false;
-	}
+void BufferView::workAreaResize()
+{
+        pimpl_->workAreaResize();
+}
 
-	int const c = ifs.peek();
 
-	LyXLex lex(0, 0);
-	lex.setStream(ifs);
+void BufferView::workAreaKeyPress(LyXKeySymPtr key, key_modifier::state state)
+{
+        pimpl_->workAreaKeyPress(key, state);
+}
 
-	bool res = true;
 
-	text->breakParagraph(buffer()->paragraphs);
+bool BufferView::workAreaDispatch(FuncRequest const & ev)
+{
+        return pimpl_->workAreaDispatch(ev);
+}
 
-	if (c == '#') {
-		// FIXME: huh ? No we won't !
-		lyxerr[Debug::INFO] << "Will insert file with header" << endl;
-		res = buffer()->readFile(lex, fname, ParagraphList::iterator(text->cursor.par()));
-	} else {
-		lyxerr[Debug::INFO] << "Will insert file without header"
-				    << endl;
-		res = buffer()->readBody(lex, ParagraphList::iterator(text->cursor.par()));
-	}
 
-	resize();
-	return res;
+void BufferView::scroll(int lines)
+{
+	pimpl_->scroll(lines);
 }
 
 
 void BufferView::showErrorList(string const & action) const
 {
 	if (getErrorList().size()) {
-		string const title = bformat(_("LyX: %1$s errors (%2$s)"), action, buffer()->fileName());
+		string const title = bformat(_("%1$s Errors (%2$s)"),
+			action, buffer()->fileName());
 		owner()->getDialogs().show("errorlist", title);
 		pimpl_->errorlist_.clear();
 	}
 }
 
 
-ErrorList const &
-BufferView::getErrorList() const
+ErrorList const & BufferView::getErrorList() const
 {
 	return pimpl_->errorlist_;
 }
@@ -359,364 +293,147 @@ void BufferView::setCursorFromRow(int row)
 	int tmpid = -1;
 	int tmppos = -1;
 
-	buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
-
-	ParagraphList::iterator texrowpar;
+	buffer()->texrow().getIdFromRow(row, tmpid, tmppos);
 
-	if (tmpid == -1) {
-		texrowpar = text->ownerParagraphs().begin();
-		tmppos = 0;
-	} else {
-		texrowpar = buffer()->getParFromID(tmpid).pit();
-	}
-	text->setCursor(texrowpar, tmppos);
-}
-
-
-bool BufferView::insertInset(InsetOld * inset, string const & lout)
-{
-	return pimpl_->insertInset(inset, lout);
+	if (tmpid == -1)
+		text()->setCursor(cursor(), 0, 0);
+	else
+		text()->setCursor(cursor(), buffer()->getParFromID(tmpid).pit(), tmppos);
 }
 
 
 void BufferView::gotoLabel(string const & label)
 {
-	for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
-	     it != buffer()->inset_iterator_end(); ++it) {
+	for (InsetIterator it = inset_iterator_begin(buffer()->inset()); it; ++it) {
 		vector<string> labels;
-		it->getLabelList(labels);
-		if (find(labels.begin(),labels.end(),label)
-		     != labels.end()) {
-			beforeChange(text);
-			text->setCursor(it.getPar(), it.getPos());
-			text->selection.cursor = text->cursor;
-			update(text, BufferView::SELECT);
+		it->getLabelList(*buffer(), labels);
+		if (find(labels.begin(),labels.end(),label) != labels.end()) {
+			setCursor(it);
+			update();
 			return;
 		}
 	}
 }
 
 
-void BufferView::undo()
-{
-	if (!available())
-		return;
-
-	owner()->message(_("Undo"));
-	beforeChange(text);
-	update(text, BufferView::SELECT);
-	if (!textUndo(this))
-		owner()->message(_("No further undo information"));
-	else
-		update(text, BufferView::SELECT);
-	switchKeyMap();
-}
-
-
-void BufferView::redo()
+void BufferView::hideCursor()
 {
-	if (!available())
-		return;
-
-	owner()->message(_("Redo"));
-	beforeChange(text);
-	update(text, BufferView::SELECT);
-	if (!textRedo(this))
-		owner()->message(_("No further redo information"));
-	else
-		update(text, BufferView::SELECT);
-	switchKeyMap();
+	screen().hideCursor();
 }
 
-
-// these functions are for the spellchecker
-WordLangTuple const BufferView::nextWord(float & value)
+LyXText * BufferView::getLyXText()
 {
-	if (!available()) {
-		value = 1;
-		return WordLangTuple();
-	}
-
-	return text->selectNextWordToSpellcheck(value);
+	LyXText * text = cursor().innerText();
+	BOOST_ASSERT(text);
+	return text;
 }
 
 
-void BufferView::selectLastWord()
+LyXText const * BufferView::getLyXText() const
 {
-	if (!available())
-		return;
-
-	LyXCursor cur = text->selection.cursor;
-	beforeChange(text);
-	text->selection.cursor = cur;
-	text->selectSelectedWord();
-	toggleSelection(false);
-	update(text, BufferView::SELECT);
+	LyXText const * text = cursor().innerText();
+	BOOST_ASSERT(text);
+	return text;
 }
 
 
-void BufferView::endOfSpellCheck()
+void BufferView::haveSelection(bool sel)
 {
-	if (!available()) return;
-
-	beforeChange(text);
-	text->selectSelectedWord();
-	text->clearSelection();
-	update(text, BufferView::SELECT);
+	pimpl_->workarea().haveSelection(sel);
 }
 
 
-void BufferView::replaceWord(string const & replacestring)
+int BufferView::workHeight() const
 {
-	if (!available())
-		return;
-
-	LyXText * tt = getLyXText();
-	update(tt, BufferView::SELECT);
-
-	// clear the selection (if there is any)
-	toggleSelection(false);
-	update(tt, BufferView::SELECT);
-
-	// clear the selection (if there is any)
-	toggleSelection(false);
-	tt->replaceSelectionWithString(replacestring);
-
-	tt->setSelectionRange(replacestring.length());
-
-	// Go back so that replacement string is also spellchecked
-	for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
-		tt->cursorLeft(this);
-	}
-	update(tt, BufferView::SELECT);
-
-	// FIXME: should be done through LFUN
-	buffer()->markDirty();
-	fitCursor();
-}
-// End of spellchecker stuff
-
-
-bool BufferView::lockInset(UpdatableInset * inset)
-{
-	if (!inset)
-		return false;
-	// don't relock if we're already locked
-	if (theLockingInset() == inset)
-		return true;
-	if (!theLockingInset()) {
-		// first check if it's the inset under the cursor we want lock
-		// should be most of the time
-		if (text->cursor.pos() < text->cursor.par()->size()
-		    && text->cursor.par()->getChar(text->cursor.pos()) ==
-		    Paragraph::META_INSET) {
-			InsetOld * in = text->cursor.par()->getInset(text->cursor.pos());
-			if (inset == in) {
-				theLockingInset(inset);
-				return true;
-			}
-		}
-		// Then do a deep look of the inset and lock the right one
-		int const id = inset->id();
-		ParagraphList::iterator pit = buffer()->paragraphs.begin();
-		ParagraphList::iterator pend = buffer()->paragraphs.end();
-		for (; pit != pend; ++pit) {
-			InsetList::iterator it = pit->insetlist.begin();
-			InsetList::iterator end = pit->insetlist.end();
-			for (; it != end; ++it) {
-				if (it->inset == inset) {
-					text->setCursorIntern(pit, it->pos);
-					theLockingInset(inset);
-					return true;
-				}
-				if (it->inset->getInsetFromID(id)) {
-					text->setCursorIntern(pit, it->pos);
-					FuncRequest cmd(this, LFUN_INSET_EDIT, "left");
-					it->inset->localDispatch(cmd);
-					return theLockingInset()->lockInsetInInset(this, inset);
-				}
-			}
-		}
-		return false;
-	}
-	return theLockingInset()->lockInsetInInset(this, inset);
+	return pimpl_->workarea().workHeight();
 }
 
 
-bool BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
+LyXText * BufferView::text() const
 {
-	if (theLockingInset() && available()) {
-		y += text->cursor.iy() + theLockingInset()->insetInInsetY();
-		if (screen().fitManualCursor(this, text, x, y, asc, desc)) {
-			updateScrollbar();
-			return true;
-		}
-	}
-	return false;
+	return buffer() ? &buffer()->text() : 0;
 }
 
 
-void BufferView::hideCursor()
+void BufferView::setCursor(DocIterator const & dit)
 {
-	screen().hideCursor();
-}
-
+	size_t const n = dit.depth();
+	for (size_t i = 0; i < n; ++i)
+		dit[i].inset().edit(cursor(), true);
 
-int BufferView::unlockInset(UpdatableInset * inset)
-{
-	if (!inset)
-		return 0;
-	if (inset && theLockingInset() == inset) {
-		inset->insetUnlock(this);
-		theLockingInset(0);
-		// make sure we update the combo !
-		owner()->setLayout(getLyXText()->cursor.par()->layout()->name());
-		// Tell the paragraph dialog that we changed paragraph
-		dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
-		finishUndo();
-		return 0;
-	} else if (inset && theLockingInset() &&
-		   theLockingInset()->unlockInsetInInset(this, inset)) {
-		// Tell the paragraph dialog that we changed paragraph
-		dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
-		// owner inset has updated the layout combo
-		finishUndo();
-		return 0;
-	}
-	return 1;
+	cursor().setCursor(dit);
+	cursor().selection() = false;
 }
 
 
-void BufferView::updateInset(InsetOld * inset)
+void BufferView::mouseSetCursor(LCursor & cur)
 {
-	pimpl_->updateInset(inset);
-}
+	BOOST_ASSERT(&cur.bv() == this);
 
+	// Has the cursor just left the inset?
+	if (&cursor().inset() != &cur.inset())
+		cursor().inset().notifyCursorLeaves(cursor());
 
-bool BufferView::ChangeInsets(InsetOld::Code code,
-			      string const & from, string const & to)
-{
-	bool need_update = false;
-	LyXCursor cursor = text->cursor;
-	LyXCursor tmpcursor = cursor;
-	cursor.par(tmpcursor.par());
-	cursor.pos(tmpcursor.pos());
-
-	ParIterator end = buffer()->par_iterator_end();
-	for (ParIterator it = buffer()->par_iterator_begin();
-	     it != end; ++it) {
-		bool changed_inset = false;
-		for (InsetList::iterator it2 = it->insetlist.begin();
-		     it2 != it->insetlist.end(); ++it2) {
-			if (it2->inset->lyxCode() == code) {
-				InsetCommand * inset = static_cast<InsetCommand *>(it2->inset);
-				if (inset->getContents() == from) {
-					inset->setContents(to);
-					changed_inset = true;
-				}
-			}
-		}
-		if (changed_inset) {
-			need_update = true;
-
-			// FIXME
-
-			// The test it.size()==1 was needed to prevent crashes.
-			// How to set the cursor corretly when it.size()>1 ??
-			if (it.size() == 1) {
-				text->setCursorIntern(it.pit(), 0);
-				text->redoParagraphs(text->cursor,
-						     boost::next(text->cursor.par()));
-				text->partialRebreak();
-			}
-		}
-	}
-	text->setCursorIntern(cursor.par(), cursor.pos());
-	return need_update;
-}
+	// do the dEPM magic if needed
+	if (cursor().inTexted())
+		cursor().text()->deleteEmptyParagraphMechanism(cur, cursor());
 
+	cursor() = cur;
+	cursor().clearSelection();
+	cursor().setTargetX();
+	finishUndo();
 
-bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
-{
-	// Check if the label 'from' appears more than once
-	vector<string> labels;
-	buffer()->getLabelList(labels);
-
-	if (lyx::count(labels.begin(), labels.end(), from) > 1)
-		return false;
-
-	return ChangeInsets(InsetOld::REF_CODE, from, to);
 }
 
 
-UpdatableInset * BufferView::theLockingInset() const
+void BufferView::putSelectionAt(DocIterator const & cur,
+				int length, bool backwards)
 {
-	// If NULL is not allowed we should put an Assert here. (Lgb)
-	if (text)
-		return text->the_locking_inset;
-	return 0;
-}
+	cursor().clearSelection();
 
+	setCursor(cur);
 
-void BufferView::theLockingInset(UpdatableInset * inset)
-{
-	text->the_locking_inset = inset;
+	if (length) {
+		if (backwards) {
+			cursor().pos() += length;
+			cursor().setSelection(cursor(), -length);
+		} else
+			cursor().setSelection(cursor(), length);
+	}
 }
 
 
-LyXText * BufferView::getLyXText() const
+bool const BufferView::repaintAll() const
 {
-	if (theLockingInset()) {
-		LyXText * txt = theLockingInset()->getLyXText(this, true);
-		if (txt)
-			return txt;
-	}
-	return text;
+	return pimpl_->repaintAll();
 }
 
 
-LyXText * BufferView::getParentText(InsetOld * inset) const
+void const BufferView::repaintAll(bool r) const
 {
-	if (inset->owner()) {
-		LyXText * txt = inset->getLyXText(this);
-		inset = inset->owner();
-		while (inset && inset->getLyXText(this) == txt)
-			inset = inset->owner();
-		if (inset)
-			return inset->getLyXText(this);
-	}
-	return text;
+	pimpl_->repaintAll(r);
 }
 
 
-Language const * BufferView::getParentLanguage(InsetOld * inset) const
+LCursor & BufferView::cursor()
 {
-	LyXText * text = getParentText(inset);
-	return text->cursor.par()->getFontSettings(buffer()->params,
-						   text->cursor.pos()).language();
+	return pimpl_->cursor_;
 }
 
 
-Encoding const * BufferView::getEncoding() const
+LCursor const & BufferView::cursor() const
 {
-	LyXText * t = getLyXText();
-	if (!t)
-		return 0;
-
-	LyXCursor const & c = t->cursor;
-	LyXFont const font = c.par()->getFont(buffer()->params, c.pos(),
-					      outerFont(c.par(), t->ownerParagraphs()));
-	return font.language()->encoding();
+	return pimpl_->cursor_;
 }
 
 
-void BufferView::haveSelection(bool sel)
+lyx::pit_type BufferView::anchor_ref() const
 {
-	pimpl_->workarea().haveSelection(sel);
+	return pimpl_->anchor_ref_;
 }
 
 
-int BufferView::workHeight() const
+int BufferView::offset_ref() const
 {
-	return pimpl_->workarea().workHeight();
+	return pimpl_->offset_ref_;
 }