X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.C;h=8a7bee84b17775a0551cb9843ed534cf10371ba5;hb=5eb1059f506d5db92d85e93057e752422e014ec2;hp=89f27a7b100d42ce54c5f777af64813d48b93dfb;hpb=64488b06afe0db0f6d598e5b54505413b33b0855;p=lyx.git

diff --git a/src/BufferView.C b/src/BufferView.C
index 89f27a7b10..8a7bee84b1 100644
--- a/src/BufferView.C
+++ b/src/BufferView.C
@@ -3,26 +3,64 @@
  * Copyright 1995-2002 the LyX Team
  * Read the file COPYING
  *
- * \author unknown
+ * \author Lars Gullik Bjønnes
  * \author John Levon <moz@compsoc.man.ac.uk>
  */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "BufferView.h"
 #include "BufferView_pimpl.h"
+
+#include "LaTeX.h"
+#include "ParagraphParameters.h"
+#include "WordLangTuple.h"
+#include "buffer.h"
+#include "bufferlist.h"
+#include "debug.h"
+#include "gettext.h"
+#include "errorlist.h"
+#include "iterators.h"
+#include "language.h"
+#include "lyxcursor.h"
+#include "lyxlex.h"
 #include "lyxtext.h"
-#include "frontends/screen.h"
+#include "undo_funcs.h"
+#include "changes.h"
+#include "paragraph_funcs.h"
+
+#include "frontends/Alert.h"
+#include "frontends/Dialogs.h"
+#include "frontends/LyXView.h"
 #include "frontends/WorkArea.h"
+#include "frontends/screen.h"
+
+#include "insets/insetcommand.h" // ChangeRefs
+#include "insets/updatableinset.h"
 
+#include "support/FileInfo.h"
+#include "support/filetools.h"
+#include "support/types.h"
+#include "support/lyxalgo.h" // lyx_count
 
-BufferView::BufferView(LyXView * o, int xpos, int ypos,
+#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 xpos, int ypos,
 		       int width, int height)
-	: pimpl_(new Pimpl(this, o, xpos, ypos, width, height))
+	: pimpl_(new Pimpl(this, owner, xpos, ypos, width, height))
 {
 	text = 0;
 }
@@ -65,21 +103,36 @@ void BufferView::buffer(Buffer * b)
 }
 
 
-void BufferView::resize(int xpos, int ypos, int width, int height)
+bool BufferView::newFile(string const & fn, string const & tn, bool named)
+{
+	return pimpl_->newFile(fn, tn, named);
+}
+
+
+bool BufferView::loadLyXFile(string const & fn, bool tl)
+{
+	return pimpl_->loadLyXFile(fn, tl);
+}
+
+
+void BufferView::reload()
 {
-	pimpl_->resize(xpos, ypos, width, height);
+	string const fn = buffer()->fileName();
+	if (bufferlist.close(buffer(), false))
+		loadLyXFile(fn);
 }
 
 
 void BufferView::resize()
 {
-	pimpl_->resize();
+	if (pimpl_->buffer_)
+		pimpl_->resizeCurrentBuffer();
 }
 
 
-void BufferView::redraw()
+void BufferView::repaint()
 {
-	pimpl_->redraw();
+	pimpl_->repaint();
 }
 
 
@@ -107,39 +160,21 @@ void BufferView::scrollDocView(int value)
 }
 
 
-Inset * BufferView::checkInsetHit(LyXText * text, int & x, int & y)
-{
-	return pimpl_->checkInsetHit(text, x, y);
-}
-
-
 void BufferView::redoCurrentBuffer()
 {
 	pimpl_->redoCurrentBuffer();
 }
 
 
-int BufferView::resizeCurrentBuffer()
-{
-	return pimpl_->resizeCurrentBuffer();
-}
-
-
-void BufferView::cursorPrevious(LyXText * text)
-{
-	pimpl_->cursorPrevious(text);
-}
-
-
-void BufferView::cursorNext(LyXText * text)
+bool BufferView::available() const
 {
-	pimpl_->cursorNext(text);
+	return pimpl_->available();
 }
 
 
-bool BufferView::available() const
+Change const BufferView::getCurrentChange()
 {
-	return pimpl_->available();
+	return pimpl_->getCurrentChange();
 }
 
 
@@ -173,9 +208,15 @@ void BufferView::update(LyXText * text, UpdateCodes f)
 }
 
 
-void BufferView::setState()
+void BufferView::update(UpdateCodes f)
+{
+	pimpl_->update(f);
+}
+
+
+void BufferView::switchKeyMap()
 {
-	pimpl_->setState();
+	pimpl_->switchKeyMap();
 }
 
 
@@ -191,62 +232,490 @@ int BufferView::workWidth() const
 }
 
 
-void BufferView::showCursor()
+void BufferView::toggleSelection(bool b)
+{
+	pimpl_->toggleSelection(b);
+}
+
+
+void BufferView::center()
+{
+	pimpl_->center();
+}
+
+
+string const BufferView::getClipboard() const
+{
+	return pimpl_->workarea().getClipboard();
+}
+
+
+void BufferView::stuffClipboard(string const & stuff) const
+{
+	pimpl_->stuffClipboard(stuff);
+}
+
+
+BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
+				  BufferView::UpdateCodes uc2)
+{
+	return static_cast<BufferView::UpdateCodes>
+		(static_cast<int>(uc1) | static_cast<int>(uc2));
+}
+
+
+bool BufferView::dispatch(FuncRequest const & ev)
+{
+	return pimpl_->dispatch(ev);
+}
+
+
+void BufferView::scroll(int lines)
+{
+	pimpl_->scroll(lines);
+}
+
+
+// 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)
+{
+	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$s\ncould not be read."), file);
+		Alert::error(_("Could not read document"), text);
+		return false;
+	}
+
+	beforeChange(text);
+
+	ifstream ifs(fname.c_str());
+	if (!ifs) {
+		string const file = MakeDisplayPath(fname, 50);
+		string const text =
+			bformat(_("Could not open the specified document %1$s\n"), file);
+		Alert::error(_("Could not open file"), text);
+		return false;
+	}
+
+	int const c = ifs.peek();
+
+	LyXLex lex(0, 0);
+	lex.setStream(ifs);
+
+	bool res = true;
+
+	text->breakParagraph(buffer()->paragraphs);
+
+	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::showErrorList(string const & action) const
+{
+	if (getErrorList().size()) {
+		string const title = bformat(_("LyX: %1$s errors (%2$s)"), action, buffer()->fileName());
+		owner()->getDialogs().show("errorlist", title);
+		pimpl_->errorlist_.clear();
+	}
+}
+
+
+ErrorList const &
+BufferView::getErrorList() const
+{
+	return pimpl_->errorlist_;
+}
+
+
+void BufferView::setCursorFromRow(int row)
+{
+	int tmpid = -1;
+	int tmppos = -1;
+
+	buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
+
+	ParagraphList::iterator texrowpar;
+
+	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);
+}
+
+
+void BufferView::gotoLabel(string const & label)
+{
+	for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
+	     it != buffer()->inset_iterator_end(); ++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);
+			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()
+{
+	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();
+}
+
+
+// these functions are for the spellchecker
+WordLangTuple const BufferView::nextWord(float & value)
+{
+	if (!available()) {
+		value = 1;
+		return WordLangTuple();
+	}
+
+	return text->selectNextWordToSpellcheck(value);
+}
+
+
+void BufferView::selectLastWord()
+{
+	if (!available())
+		return;
+
+	LyXCursor cur = text->selection.cursor;
+	beforeChange(text);
+	text->selection.cursor = cur;
+	text->selectSelectedWord();
+	toggleSelection(false);
+	update(text, BufferView::SELECT);
+}
+
+
+void BufferView::endOfSpellCheck()
 {
-	pimpl_->showCursor();
+	if (!available()) return;
+
+	beforeChange(text);
+	text->selectSelectedWord();
+	text->clearSelection();
+	update(text, BufferView::SELECT);
+}
+
+
+void BufferView::replaceWord(string const & replacestring)
+{
+	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);
+}
+
+
+bool BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
+{
+	if (theLockingInset() && available()) {
+		y += text->cursor.iy() + theLockingInset()->insetInInsetY();
+		if (screen().fitManualCursor(this, text, x, y, asc, desc)) {
+			updateScrollbar();
+			return true;
+		}
+	}
+	return false;
 }
 
 
 void BufferView::hideCursor()
 {
-	pimpl_->hideCursor();
+	screen().hideCursor();
 }
 
 
-void BufferView::toggleSelection(bool b)
+int BufferView::unlockInset(UpdatableInset * inset)
 {
-	pimpl_->toggleSelection(b);
+	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;
 }
 
 
-void BufferView::toggleToggle()
+void BufferView::updateInset(InsetOld * inset)
 {
-	pimpl_->toggleToggle();
+	pimpl_->updateInset(inset);
 }
 
 
-void BufferView::center()
+bool BufferView::ChangeInsets(InsetOld::Code code,
+			      string const & from, string const & to)
 {
-	pimpl_->center();
+	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->redoParagraph(text->cursor.par());
+				text->partialRebreak();
+			}
+		}
+	}
+	text->setCursorIntern(cursor.par(), cursor.pos());
+	return need_update;
 }
 
 
-void BufferView::pasteClipboard(bool asPara)
+bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 {
-	pimpl_->pasteClipboard(asPara);
+	// 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);
 }
 
 
-string const BufferView::getClipboard() const
+UpdatableInset * BufferView::theLockingInset() const
 {
-	return pimpl_->workarea().getClipboard();
+	// If NULL is not allowed we should put an Assert here. (Lgb)
+	if (text)
+		return text->the_locking_inset;
+	return 0;
 }
 
 
-void BufferView::stuffClipboard(string const & stuff) const
+void BufferView::theLockingInset(UpdatableInset * inset)
 {
-	pimpl_->stuffClipboard(stuff);
+	text->the_locking_inset = inset;
 }
 
 
-BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
-				  BufferView::UpdateCodes uc2)
+LyXText * BufferView::getLyXText() const
 {
-	return static_cast<BufferView::UpdateCodes>
-		(static_cast<int>(uc1) | static_cast<int>(uc2));
+	if (theLockingInset()) {
+		LyXText * txt = theLockingInset()->getLyXText(this, true);
+		if (txt)
+			return txt;
+	}
+	return text;
+}
+
+
+LyXText * BufferView::getParentText(InsetOld * inset) 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;
 }
 
-bool BufferView::Dispatch(kb_action action, string const & argument)
+
+Language const * BufferView::getParentLanguage(InsetOld * inset) const
+{
+	LyXText * text = getParentText(inset);
+	return text->cursor.par()->getFontSettings(buffer()->params,
+						   text->cursor.pos()).language();
+}
+
+
+Encoding const * BufferView::getEncoding() 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();
+}
+
+
+void BufferView::haveSelection(bool sel)
+{
+	pimpl_->workarea().haveSelection(sel);
+}
+
+
+int BufferView::workHeight() const
 {
-	return pimpl_->Dispatch(action, argument);
+	return pimpl_->workarea().workHeight();
 }