X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.C;h=8a7bee84b17775a0551cb9843ed534cf10371ba5;hb=5eb1059f506d5db92d85e93057e752422e014ec2;hp=3a2388f2eaa7f3c276a647062c78b3e658bf5beb;hpb=57a2087d37403e5f60837e8ecbd9268649c36bc2;p=lyx.git diff --git a/src/BufferView.C b/src/BufferView.C index 3a2388f2ea..8a7bee84b1 100644 --- a/src/BufferView.C +++ b/src/BufferView.C @@ -1,28 +1,66 @@ -/* 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 + */ #include -#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 +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; } @@ -41,9 +79,9 @@ Buffer * BufferView::buffer() const } -LyXScreen * BufferView::screen() const +LyXScreen & BufferView::screen() const { - return pimpl_->screen_.get(); + return pimpl_->screen(); } @@ -53,13 +91,7 @@ LyXView * BufferView::owner() const } -void BufferView::pushIntoUpdateList(Inset * i) -{ - pimpl_->updatelist.push(i); -} - - -Painter & BufferView::painter() +Painter & BufferView::painter() const { return pimpl_->painter(); } @@ -71,82 +103,78 @@ void BufferView::buffer(Buffer * b) } -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(); } @@ -180,116 +208,514 @@ void BufferView::update(LyXText * text, UpdateCodes f) } -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 + (static_cast(uc1) | static_cast(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 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(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 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 - (static_cast(uc1) | static_cast(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(); }