-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
+/**
+ * \file BufferView.C
+ * Copyright 1995-2002 the LyX Team
+ * Read the file COPYING
*
- * ====================================================== */
+ * \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 "lyxscreen.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
+
+#include <fstream>
+extern BufferList bufferlist;
-BufferView::BufferView(LyXView * o, int xpos, int ypos,
+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;
}
}
-LyXScreen * BufferView::screen() const
+LyXScreen & BufferView::screen() const
{
- return pimpl_->screen_.get();
+ return pimpl_->screen();
}
}
-void BufferView::pushIntoUpdateList(Inset * i)
-{
- pimpl_->updatelist.push(i);
-}
-
-
-Painter & BufferView::painter()
+Painter & BufferView::painter() const
{
return pimpl_->painter();
}
}
-void BufferView::resize(int xpos, int ypos, int width, int height)
-{
- pimpl_->resize(xpos, ypos, width, height);
-}
-
-
-void BufferView::resize()
+bool BufferView::newFile(string const & fn, string const & tn, bool named)
{
- pimpl_->resize();
+ return pimpl_->newFile(fn, tn, named);
}
-void BufferView::redraw()
+bool BufferView::loadLyXFile(string const & fn, bool tl)
{
- pimpl_->redraw();
+ return pimpl_->loadLyXFile(fn, tl);
}
-void BufferView::fitCursor(LyXText * text)
+void BufferView::reload()
{
- pimpl_->fitCursor(text);
+ string const fn = buffer()->fileName();
+ if (bufferlist.close(buffer(), false))
+ loadLyXFile(fn);
}
-void BufferView::update()
+void BufferView::resize()
{
- pimpl_->update();
+ if (pimpl_->buffer_)
+ pimpl_->resizeCurrentBuffer();
}
-void BufferView::updateScrollbar()
+void BufferView::repaint()
{
- pimpl_->updateScrollbar();
+ pimpl_->repaint();
}
-void BufferView::scrollCB(double value)
+bool BufferView::fitCursor()
{
- pimpl_->scrollCB(value);
+ return pimpl_->fitCursor();
}
-Inset * BufferView::checkInsetHit(LyXText * text, int & x, int & y,
- unsigned int button)
+void BufferView::update()
{
- return pimpl_->checkInsetHit(text, x, y, button);
+ pimpl_->update();
}
-void BufferView::redoCurrentBuffer()
+void BufferView::updateScrollbar()
{
- pimpl_->redoCurrentBuffer();
+ pimpl_->updateScrollbar();
}
-int BufferView::resizeCurrentBuffer()
+void BufferView::scrollDocView(int value)
{
- return pimpl_->resizeCurrentBuffer();
+ pimpl_->scrollDocView(value);
}
-void BufferView::cursorPrevious(LyXText * text)
+void BufferView::redoCurrentBuffer()
{
- pimpl_->cursorPrevious(text);
+ pimpl_->redoCurrentBuffer();
}
-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();
}
}
-void BufferView::setState()
+void BufferView::update(UpdateCodes f)
{
- pimpl_->setState();
+ pimpl_->update(f);
}
-void BufferView::insetSleep()
+void BufferView::switchKeyMap()
{
- pimpl_->insetSleep();
+ pimpl_->switchKeyMap();
}
-void BufferView::insetWakeup()
+void BufferView::insetUnlock()
{
- pimpl_->insetWakeup();
+ pimpl_->insetUnlock();
}
-void BufferView::insetUnlock()
+int BufferView::workWidth() const
{
- pimpl_->insetUnlock();
+ return pimpl_->workarea().workWidth();
+}
+
+
+void BufferView::toggleSelection(bool b)
+{
+ pimpl_->toggleSelection(b);
}
-bool BufferView::focus() const
+void BufferView::center()
{
- return pimpl_->focus();
+ pimpl_->center();
}
-void BufferView::focus(bool f)
+string const BufferView::getClipboard() const
{
- pimpl_->focus(f);
+ return pimpl_->workarea().getClipboard();
}
-bool BufferView::active() const
+void BufferView::stuffClipboard(string const & stuff) const
{
- return pimpl_->active();
+ pimpl_->stuffClipboard(stuff);
}
-int BufferView::workWidth() const
+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()
{
- return pimpl_->workarea_.workWidth();
+ 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()
+{
+ if (!available()) return;
+
+ beforeChange(text);
+ text->selectSelectedWord();
+ text->clearSelection();
+ update(text, BufferView::SELECT);
}
-bool BufferView::belowMouse() const
+void BufferView::replaceWord(string const & replacestring)
{
- return pimpl_->belowMouse();
+ 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
-void BufferView::showCursor()
+bool BufferView::lockInset(UpdatableInset * inset)
{
- pimpl_->showCursor();
+ 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;
+}
+
+
+Language const * BufferView::getParentLanguage(InsetOld * inset) const
+{
+ LyXText * text = getParentText(inset);
+ return text->cursor.par()->getFontSettings(buffer()->params,
+ text->cursor.pos()).language();
}
-bool BufferView::Dispatch(kb_action action, string const & argument)
+
+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();
}
projects / lyx.git / blobdiff