#include "buffer_funcs.h"
#include "bufferlist.h"
#include "bufferparams.h"
+#include "bufferview_funcs.h"
#include "coordcache.h"
#include "CutAndPaste.h"
#include "debug.h"
using support::isDirWriteable;
using support::isFileReadable;
using support::makeDisplayPath;
-using support::makeAbsPath;
using support::package;
using std::distance;
: width_(0), height_(0), buffer_(0), wh_(0),
cursor_(*this),
multiparsel_cache_(false), anchor_ref_(0), offset_ref_(0),
- intl_(new Intl)
+ intl_(new Intl), last_inset_(0)
{
xsel_cache_.set = false;
intl_->initKeyMapper(lyxrc.use_kbmap);
void BufferView::setBuffer(Buffer * b)
{
- lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
+ LYXERR(Debug::INFO) << BOOST_CURRENT_FUNCTION
<< "[ b = " << b << "]" << endl;
if (buffer_) {
// to this buffer later on.
buffer_->saveCursor(cursor_.selectionBegin(),
cursor_.selectionEnd());
+ // update bookmark pit of the current buffer before switch
+ for (size_t i = 0; i < LyX::ref().session().bookmarks().size(); ++i) {
+ BookmarksSection::Bookmark const & bm = LyX::ref().session().bookmarks().bookmark(i);
+ if (buffer()->fileName() != bm.filename.absFilename())
+ continue;
+ // if par_id or pit has been changed, reset par_pit and par_id
+ // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
+ pit_type new_pit;
+ int new_id;
+ boost::tie(new_pit, new_id) = moveToPosition(bm.par_pit, bm.par_id, bm.par_pos);
+ if (bm.par_pit != new_pit || bm.par_id != new_id)
+ const_cast<BookmarksSection::Bookmark &>(bm).setPos(new_pit, new_id);
+ }
// current buffer is going to be switched-off, save cursor pos
LyX::ref().session().lastFilePos().save(FileName(buffer_->fileName()),
boost::tie(cursor_.pit(), cursor_.pos()) );
// If we are closing current buffer, switch to the first in
// buffer list.
if (!b) {
- lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
+ LYXERR(Debug::INFO) << BOOST_CURRENT_FUNCTION
<< " No Buffer!" << endl;
// We are closing the buffer, use the first buffer as current
buffer_ = theBufferList().first();
offset_ref_ = 0;
if (buffer_) {
- lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
+ LYXERR(Debug::INFO) << BOOST_CURRENT_FUNCTION
<< "Buffer addr: " << buffer_ << endl;
cursor_.push(buffer_->inset());
cursor_.resetAnchor();
- buffer_->text().init(this);
buffer_->text().setCurrentFont(cursor_);
if (buffer_->getCursor().size() > 0 &&
buffer_->getAnchor().size() > 0)
cursor_.resetAnchor();
cursor_.setCursor(buffer_->getCursor().asDocIterator(&(buffer_->inset())));
cursor_.setSelection();
+ // do not set selection to the new buffer because we
+ // only paste recent selection.
}
}
// Send the "errors" signal in case of parsing errors
b->errors("Parse");
+ // Update the labels and section numbering.
+ updateLabels(*buffer_);
// scroll to the position when the file was last closed
if (lyxrc.use_lastfilepos) {
pit_type pit;
pos_type pos;
boost::tie(pit, pos) = LyX::ref().session().lastFilePos().load(filename);
- // I am not sure how to separate the following part to a function
- // so I will leave this to Lars.
- //
- // check pit since the document may be externally changed.
- if ( static_cast<size_t>(pit) < b->paragraphs().size() ) {
- ParIterator it = b->par_iterator_begin();
- ParIterator const end = b->par_iterator_end();
- for (; it != end; ++it)
- if (it.pit() == pit) {
- // restored pos may be bigger than it->size
- setCursor(makeDocIterator(it, min(pos, it->size())));
- // No need to update the metrics if fitCursor returns false.
- if (fitCursor())
- updateMetrics(false);
- break;
- }
+ // if successfully move to pit (returned par_id is not zero), update metrics and reset font
+ if (moveToPosition(pit, 0, pos).get<1>()) {
+ if (fitCursor())
+ updateMetrics(false);
+ buffer_->text().setCurrentFont(cursor_);
}
}
}
-void BufferView::reload()
-{
- if (theBufferList().close(buffer_, false))
- loadLyXFile(FileName(buffer_->fileName()));
-}
-
-
void BufferView::resize()
{
if (!buffer_)
return;
- lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
+ LYXERR(Debug::DEBUG) << BOOST_CURRENT_FUNCTION << endl;
- buffer_->text().init(this);
- update();
+ updateMetrics(false);
switchKeyMap();
}
}
-std::pair<bool, bool> BufferView::update(Update::flags flags)
+bool BufferView::update(Update::flags flags)
{
+ // last_inset_ points to the last visited inset. This pointer may become
+ // invalid because of keyboard editing. Since all such operations
+ // causes screen update(), I reset last_inset_ to avoid such a problem.
+ last_inset_ = 0;
// This is close to a hot-path.
if (lyxerr.debugging(Debug::DEBUG)) {
- lyxerr[Debug::DEBUG]
+ LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< "[fitcursor = " << (flags & Update::FitCursor)
<< ", forceupdate = " << (flags & Update::Force)
// Check needed to survive LyX startup
if (!buffer_)
- return make_pair(false, false);
+ return false;
if (lyxerr.debugging(Debug::WORKAREA)) {
- lyxerr[Debug::WORKAREA] << "BufferView::update" << std::endl;
+ LYXERR(Debug::WORKAREA) << "BufferView::update" << std::endl;
}
// Update macro store
// Case when no explicit update is requested.
if (!flags) {
- // no need to do anything.
- return make_pair(false, false);
+ // no need to redraw anything.
+ metrics_info_.update_strategy = NoScreenUpdate;
+ return false;
+ }
+
+ if (flags == Update::Decoration) {
+ metrics_info_.update_strategy = DecorationUpdate;
+ return true;
}
- if (flags == Update::FitCursor) {
+ if (flags == Update::FitCursor
+ || flags == (Update::Decoration | Update::FitCursor)) {
bool const fit_cursor = fitCursor();
- if (fit_cursor)
+ // tell the frontend to update the screen if needed.
+ if (fit_cursor) {
updateMetrics(false);
- // tell the frontend to update the screen.
- return make_pair(fit_cursor, false);
+ return true;
+ }
+ if (flags & Update::Decoration) {
+ metrics_info_.update_strategy = DecorationUpdate;
+ return true;
+ }
+ // no screen update is needed.
+ metrics_info_.update_strategy = NoScreenUpdate;
+ return false;
}
bool full_metrics = flags & Update::Force;
updateMetrics(false);
// tell the frontend to update the screen.
- return make_pair(true, single_par);
+ return true;
}
void BufferView::updateScrollbar()
{
if (!buffer_) {
- lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
+ LYXERR(Debug::DEBUG) << BOOST_CURRENT_FUNCTION
<< " no text in updateScrollbar" << endl;
scrollbarParameters_.reset();
return;
}
LyXText & t = buffer_->text();
+ TextMetrics & tm = text_metrics_[&t];
+
int const parsize = int(t.paragraphs().size() - 1);
if (anchor_ref_ > parsize) {
anchor_ref_ = parsize;
}
if (lyxerr.debugging(Debug::GUI)) {
- lyxerr[Debug::GUI]
+ LYXERR(Debug::GUI)
<< BOOST_CURRENT_FUNCTION
<< " Updating scrollbar: height: " << t.paragraphs().size()
<< " curr par: " << cursor_.bottom().pit()
// estimated average paragraph height:
if (wh_ == 0)
wh_ = height_ / 4;
- int h = t.getPar(anchor_ref_).height();
+
+ int h = tm.parMetrics(anchor_ref_).height();
// Normalize anchor/offset (MV):
while (offset_ref_ > h && anchor_ref_ < parsize) {
anchor_ref_++;
offset_ref_ -= h;
- h = t.getPar(anchor_ref_).height();
+ h = tm.parMetrics(anchor_ref_).height();
}
// Look at paragraph heights on-screen
int sumh = 0;
for (pit_type pit = anchor_ref_; pit <= parsize; ++pit) {
if (sumh > height_)
break;
- int const h2 = t.getPar(pit).height();
+ int const h2 = tm.parMetrics(pit).height();
sumh += h2;
nh++;
}
void BufferView::scrollDocView(int value)
{
- lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
+ LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
<< "[ value = " << value << "]" << endl;
if (!buffer_)
return;
LyXText & t = buffer_->text();
+ TextMetrics & tm = text_metrics_[&t];
float const bar = value / float(wh_ * t.paragraphs().size());
anchor_ref_ = int(bar * t.paragraphs().size());
if (anchor_ref_ > int(t.paragraphs().size()) - 1)
anchor_ref_ = int(t.paragraphs().size()) - 1;
- t.redoParagraph(*this, anchor_ref_);
- int const h = t.getPar(anchor_ref_).height();
+
+ tm.redoParagraph(anchor_ref_);
+ int const h = tm.parMetrics(anchor_ref_).height();
offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
updateMetrics(false);
}
void BufferView::setCursorFromScrollbar()
{
+ if (!buffer_)
+ return;
+
LyXText & t = buffer_->text();
int const height = 2 * defaultRowHeight();
switch (st) {
case bv_funcs::CUR_ABOVE:
+ // We reset the cursor because bv_funcs::status() does not
+ // work when the cursor is within mathed.
+ cur.reset(buffer_->inset());
t.setCursorFromCoordinates(cur, 0, first);
cur.clearSelection();
break;
case bv_funcs::CUR_BELOW:
+ // We reset the cursor because bv_funcs::status() does not
+ // work when the cursor is within mathed.
+ cur.reset(buffer_->inset());
t.setCursorFromCoordinates(cur, 0, last);
cur.clearSelection();
break;
}
-void BufferView::saveBookmark(bool persistent)
+void BufferView::saveBookmark(unsigned int idx)
{
LyX::ref().session().bookmarks().save(
FileName(buffer_->fileName()),
+ cursor_.pit(),
cursor_.paragraph().id(),
cursor_.pos(),
- persistent
+ idx
);
- if (persistent)
+ if (idx)
// emit message signal.
message(_("Save bookmark"));
}
-void BufferView::moveToPosition(int par_id, pos_type par_pos)
+boost::tuple<pit_type, int> BufferView::moveToPosition(pit_type par_pit, int par_id, pos_type par_pos)
{
cursor_.clearSelection();
- ParIterator par = buffer_->getParFromID(par_id);
- if (par == buffer_->par_iterator_end())
- return;
-
- setCursor(makeDocIterator(par, min(par->size(), par_pos)));
+ // if a valid par_id is given, try it first
+ if (par_id > 0) {
+ ParIterator par = buffer_->getParFromID(par_id);
+ if (par != buffer_->par_iterator_end()) {
+ setCursor(makeDocIterator(par, min(par->size(), par_pos)));
+ return boost::make_tuple(cursor_.pit(), par_id);
+ }
+ }
+ // if par_id == 0, or searching through par_id failed
+ if (static_cast<size_t>(par_pit) < buffer_->paragraphs().size()) {
+ ParIterator it = buffer_->par_iterator_begin();
+ ParIterator const end = buffer_->par_iterator_end();
+ for (; it != end; ++it)
+ if (it.pit() == par_pit) {
+ // restored pos may be bigger than it->size
+ setCursor(makeDocIterator(it, min(par_pos, it->size())));
+ return boost::make_tuple(par_pit, it->id());
+ }
+ }
+ // both methods fail
+ return boost::make_tuple(pit_type(0), 0);
}
if (!lyxrc.rtl_support)
return;
- if (getLyXText()->real_current_font.isRightToLeft()) {
+ if (cursor_.innerText()->real_current_font.isRightToLeft()) {
if (intl_->keymap == Intl::PRIMARY)
intl_->keyMapSec();
} else {
void BufferView::center()
{
CursorSlice & bot = cursor_.bottom();
+ TextMetrics & tm = text_metrics_[bot.text()];
pit_type const pit = bot.pit();
- bot.text()->redoParagraph(*this, pit);
- Paragraph const & par = bot.text()->paragraphs()[pit];
+ tm.redoParagraph(pit);
+ ParagraphMetrics const & pm = tm.parMetrics(pit);
anchor_ref_ = pit;
offset_ref_ = bv_funcs::coordOffset(*this, cursor_, cursor_.boundary()).y_
- + par.ascent() - height_ / 2;
+ + pm.ascent() - height_ / 2;
}
flag.enabled(!buffer_->redostack().empty());
break;
case LFUN_FILE_INSERT:
- case LFUN_FILE_INSERT_ASCII_PARA:
- case LFUN_FILE_INSERT_ASCII:
+ case LFUN_FILE_INSERT_PLAINTEXT_PARA:
+ case LFUN_FILE_INSERT_PLAINTEXT:
case LFUN_BOOKMARK_SAVE:
// FIXME: Actually, these LFUNS should be moved to LyXText
flag.enabled(cursor_.inTexted());
flag.setOnOff(buffer_->params().trackChanges);
break;
- case LFUN_CHANGES_OUTPUT: {
- OutputParams runparams;
- LaTeXFeatures features(*buffer_, buffer_->params(), runparams);
- flag.enabled(buffer_ && features.isAvailable("dvipost"));
+ case LFUN_CHANGES_OUTPUT:
+ flag.enabled(buffer_ && LaTeXFeatures::isAvailable("dvipost"));
flag.setOnOff(buffer_->params().outputChanges);
break;
- }
case LFUN_CHANGES_MERGE:
case LFUN_CHANGE_NEXT:
}
-bool BufferView::dispatch(FuncRequest const & cmd)
+Update::flags BufferView::dispatch(FuncRequest const & cmd)
{
//lyxerr << BOOST_CURRENT_FUNCTION
// << [ cmd = " << cmd << "]" << endl;
// Make sure that the cached BufferView is correct.
- lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
+ LYXERR(Debug::ACTION) << BOOST_CURRENT_FUNCTION
<< " action[" << cmd.action << ']'
<< " arg[" << to_utf8(cmd.argument()) << ']'
<< " x[" << cmd.x << ']'
<< " button[" << cmd.button() << ']'
<< endl;
+ // FIXME: this should not be possible.
+ if (!buffer_)
+ return Update::None;
+
LCursor & cur = cursor_;
+ // Default Update flags.
+ Update::flags updateFlags = Update::Force | Update::FitCursor;
switch (cmd.action) {
case LFUN_UNDO:
- if (buffer_) {
- cur.message(_("Undo"));
- cur.clearSelection();
- if (!textUndo(*this))
- cur.message(_("No further undo information"));
- update();
- switchKeyMap();
+ cur.message(_("Undo"));
+ cur.clearSelection();
+ if (!textUndo(*this)) {
+ cur.message(_("No further undo information"));
+ updateFlags = Update::None;
}
+ switchKeyMap();
break;
case LFUN_REDO:
- if (buffer_) {
- cur.message(_("Redo"));
- cur.clearSelection();
- if (!textRedo(*this))
- cur.message(_("No further redo information"));
- update();
- switchKeyMap();
+ cur.message(_("Redo"));
+ cur.clearSelection();
+ if (!textRedo(*this)) {
+ cur.message(_("No further redo information"));
+ updateFlags = Update::None;
}
+ switchKeyMap();
break;
case LFUN_FILE_INSERT:
menuInsertLyXFile(to_utf8(cmd.argument()));
break;
- case LFUN_FILE_INSERT_ASCII_PARA:
+ case LFUN_FILE_INSERT_PLAINTEXT_PARA:
// FIXME UNICODE
- insertAsciiFile(this, to_utf8(cmd.argument()), true);
+ insertPlaintextFile(this, to_utf8(cmd.argument()), true);
break;
- case LFUN_FILE_INSERT_ASCII:
+ case LFUN_FILE_INSERT_PLAINTEXT:
// FIXME UNICODE
- insertAsciiFile(this, to_utf8(cmd.argument()), false);
+ insertPlaintextFile(this, to_utf8(cmd.argument()), false);
break;
case LFUN_FONT_STATE:
- cur.message(from_utf8(cur.currentState()));
+ cur.message(cur.currentState());
break;
case LFUN_BOOKMARK_SAVE:
if (inset) {
label = inset->getParam("reference");
// persistent=false: use temp_bookmark
- saveBookmark(false);
+ saveBookmark(0);
}
}
for (Buffer * b = buffer_; i == 0 || b != buffer_; b = theBufferList().next(b)) {
ParIterator par = b->getParFromID(id);
if (par == b->par_iterator_end()) {
- lyxerr[Debug::INFO]
+ LYXERR(Debug::INFO)
<< "No matching paragraph found! ["
<< id << "]." << endl;
} else {
- lyxerr[Debug::INFO]
+ LYXERR(Debug::INFO)
<< "Paragraph " << par->id()
<< " found in buffer `"
<< b->fileName() << "'." << endl;
if (b == buffer_) {
// Set the cursor
setCursor(makeDocIterator(par, 0));
- update();
switchKeyMap();
} else {
// Switch to other buffer view and resend cmd
theLyXFunc().dispatch(FuncRequest(
LFUN_BUFFER_SWITCH, b->fileName()));
theLyXFunc().dispatch(cmd);
+ updateFlags = Update::None;
}
break;
}
buffer_->params().trackChanges = !buffer_->params().trackChanges;
break;
- case LFUN_CHANGES_OUTPUT: {
+ case LFUN_CHANGES_OUTPUT:
buffer_->params().outputChanges = !buffer_->params().outputChanges;
break;
- }
case LFUN_CHANGE_NEXT:
findNextChange(this);
showDialog("changes");
break;
- case LFUN_ALL_CHANGES_ACCEPT: {
+ case LFUN_ALL_CHANGES_ACCEPT:
+ // select complete document
cursor_.reset(buffer_->inset());
-#ifdef WITH_WARNINGS
-#warning FIXME changes
-#endif
- while (findNextChange(this))
- getLyXText()->acceptChange(cursor_);
- update();
+ cursor_.selHandle(true);
+ buffer_->text().cursorBottom(cursor_);
+ // accept everything in a single step to support atomic undo
+ buffer_->text().acceptOrRejectChanges(cursor_, LyXText::ACCEPT);
break;
- }
- case LFUN_ALL_CHANGES_REJECT: {
+ case LFUN_ALL_CHANGES_REJECT:
+ // select complete document
cursor_.reset(buffer_->inset());
-#ifdef WITH_WARNINGS
-#warning FIXME changes
-#endif
- while (findNextChange(this))
- getLyXText()->rejectChange(cursor_);
+ cursor_.selHandle(true);
+ buffer_->text().cursorBottom(cursor_);
+ // reject everything in a single step to support atomic undo
+ // Note: reject does not work recursively; the user may have to repeat the operation
+ buffer_->text().acceptOrRejectChanges(cursor_, LyXText::REJECT);
break;
- }
case LFUN_WORD_FIND:
find(this, cmd);
}
default:
- return false;
+ updateFlags = Update::None;
}
- return true;
+ return updateFlags;
}
{
if (buffer_) {
cursor_.clearSelection();
+ // Clear the selection buffer. Otherwise a subsequent
+ // middle-mouse-button paste would use the selection buffer,
+ // not the more current external selection.
+ cap::clearSelection();
xsel_cache_.set = false;
+ // The buffer did not really change, but this causes the
+ // redraw we need because we cleared the selection above.
+ buffer_->changed();
}
}
void BufferView::workAreaResize(int width, int height)
{
- bool const widthChange = width != width_;
- bool const heightChange = height != height_;
-
// Update from work area
width_ = width;
height_ = height;
+ // The complete text metrics will be redone.
+ text_metrics_.clear();
+
if (buffer_)
resize();
+}
+
+
+InsetBase const * BufferView::getCoveringInset(LyXText const & text, int x, int y)
+{
+ pit_type pit = text.getPitNearY(*this, y);
+ BOOST_ASSERT(pit != -1);
+ Paragraph const & par = text.getPar(pit);
- update();
+ LYXERR(Debug::DEBUG)
+ << BOOST_CURRENT_FUNCTION
+ << ": x: " << x
+ << " y: " << y
+ << " pit: " << pit
+ << endl;
+ InsetList::const_iterator iit = par.insetlist.begin();
+ InsetList::const_iterator iend = par.insetlist.end();
+ for (; iit != iend; ++iit) {
+ InsetBase * const inset = iit->inset;
+ if (inset->covers(*this, x, y)) {
+ if (!inset->descendable())
+ // No need to go further down if the inset is not
+ // descendable.
+ return inset;
+
+ size_t cell_number = inset->nargs();
+ // Check all the inner cell.
+ for (size_t i = 0; i != cell_number; ++i) {
+ LyXText const * inner_text = inset->getText(i);
+ if (inner_text) {
+ // Try deeper.
+ InsetBase const * inset_deeper =
+ getCoveringInset(*inner_text, x, y);
+ if (inset_deeper)
+ return inset_deeper;
+ }
+ }
+
+ LYXERR(Debug::DEBUG)
+ << BOOST_CURRENT_FUNCTION
+ << ": Hit inset: " << inset << endl;
+ return inset;
+ }
+ }
+ LYXERR(Debug::DEBUG)
+ << BOOST_CURRENT_FUNCTION
+ << ": No inset hit. " << endl;
+ return 0;
}
-std::pair<bool, bool> BufferView::workAreaDispatch(FuncRequest const & cmd0)
+bool BufferView::workAreaDispatch(FuncRequest const & cmd0)
{
//lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
// E.g. Qt mouse press when no buffer
if (!buffer_)
- return make_pair(false, false);
+ return false;
LCursor cur(*this);
cur.push(buffer_->inset());
// Either the inset under the cursor or the
// surrounding LyXText will handle this event.
- // Build temporary cursor.
+ // make sure we stay within the screen...
cmd.y = min(max(cmd.y, -1), height_);
- InsetBase * inset = buffer_->text().editXY(cur, cmd.x, cmd.y);
-
- //lyxerr << BOOST_CURRENT_FUNCTION
- // << " * hit inset at tip: " << inset << endl;
- //lyxerr << BOOST_CURRENT_FUNCTION
- // << " * created temp cursor:" << cur << endl;
-
- // NOTE: eidtXY returns the top level inset of nested insets. If you happen
- // to move from a text (inset=0) to a text inside an inset (e.g. an opened
- // footnote inset, again inset=0), that inset will not be redrawn.
- static InsetBase * last_inset = NULL;
+
if (cmd.action == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
- bool need_update = false;
- if (inset != last_inset) {
- if (last_inset)
- need_update |= last_inset->setMouseHover(false);
- if (inset)
- need_update |= inset->setMouseHover(true);
- last_inset = inset;
+ // Get inset under mouse, if there is one.
+ InsetBase const * covering_inset =
+ getCoveringInset(buffer_->text(), cmd.x, cmd.y);
+ if (covering_inset == last_inset_)
+ // Same inset, no need to do anything...
+ return false;
+
+ bool need_redraw = false;
+ // const_cast because of setMouseHover().
+ InsetBase * inset = const_cast<InsetBase *>(covering_inset);
+ if (last_inset_)
+ // Remove the hint on the last hovered inset (if any).
+ need_redraw |= last_inset_->setMouseHover(false);
+ if (inset)
+ // Highlighted the newly hovered inset (if any).
+ need_redraw |= inset->setMouseHover(true);
+ last_inset_ = inset;
+
+ // if last metrics update was in singlepar mode, WorkArea::redraw() will
+ // not expose the button for redraw. We adjust here the metrics dimension
+ // to enable a full redraw.
+ // FIXME: It is possible to redraw only the area around the button!
+ if (need_redraw
+ && metrics_info_.update_strategy == SingleParUpdate) {
+ // FIXME: It should be possible to redraw only the area around
+ // the button by doing this:
+ //
+ //metrics_info_.singlepar = false;
+ //metrics_info_.y1 = ymin of button;
+ //metrics_info_.y2 = ymax of button;
+ //
+ // Unfortunately, rowpainter.C:paintText() does not distinguish
+ // between background updates and text updates. So we use the hammer
+ // solution for now. We could also avoid the updateMetrics() below
+ // by using the first and last pit of the CoordCache. Have a look
+ // at LyXText::getPitNearY() to see what I mean.
+ //
+ //metrics_info_.pit1 = first pit of CoordCache;
+ //metrics_info_.pit2 = last pit of CoordCache;
+ //metrics_info_.singlepar = false;
+ //metrics_info_.y1 = 0;
+ //metrics_info_.y2 = height_;
+ //
+ updateMetrics(false);
}
+
// This event (moving without mouse click) is not passed further.
// This should be changed if it is further utilized.
- return make_pair(need_update, need_update);
+ return need_redraw;
}
+
+ // Build temporary cursor.
+ InsetBase * inset = buffer_->text().editXY(cur, cmd.x, cmd.y);
// Put anchor at the same position.
cur.resetAnchor();
if (cur.result().dispatched() && cur.result().update())
return update(cur.result().update());
- // When the above and the inner function are fixed, we can do this:
- return make_pair(false, false);
+ return false;
}
//
// scrollDocView(new_top_y);
//
-// // Update the scrollbar.
-// workArea_->setScrollbarParams(t->height(), top_y(), defaultRowHeight());}
}
}
-LyXText * BufferView::getLyXText()
+TextMetrics const & BufferView::textMetrics(LyXText const * t) const
+{
+ return const_cast<BufferView *>(this)->textMetrics(t);
+}
+
+
+TextMetrics & BufferView::textMetrics(LyXText const * t)
{
- LyXText * text = cursor_.innerText();
- BOOST_ASSERT(text);
- return text;
+ TextMetricsCache::iterator tmc_it = text_metrics_.find(t);
+ if (tmc_it == text_metrics_.end()) {
+ tmc_it = text_metrics_.insert(
+ make_pair(t, TextMetrics(this, const_cast<LyXText *>(t)))).first;
+ }
+ return tmc_it->second;
}
-LyXText const * BufferView::getLyXText() const
+ParagraphMetrics const & BufferView::parMetrics(LyXText const * t,
+ pit_type pit) const
{
- LyXText const * text = cursor_.innerText();
- BOOST_ASSERT(text);
- return text;
+ return textMetrics(t).parMetrics(pit);
}
}
-void BufferView::mouseSetCursor(LCursor & cur)
+bool BufferView::checkDepm(LCursor & cur, LCursor & old)
+{
+ // Would be wrong to delete anything if we have a selection.
+ if (cur.selection())
+ return false;
+
+ bool need_anchor_change = false;
+ bool changed = cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
+ need_anchor_change);
+
+ if (need_anchor_change)
+ cur.resetAnchor();
+
+ if (!changed)
+ return false;
+
+ updateLabels(*buffer_);
+
+ updateMetrics(false);
+ buffer_->changed();
+ return true;
+}
+
+
+bool BufferView::mouseSetCursor(LCursor & cur)
{
BOOST_ASSERT(&cur.bv() == this);
// do the dEPM magic if needed
// FIXME: move this to InsetText::notifyCursorLeaves?
+ bool update = false;
if (!badcursor && cursor_.inTexted())
- cursor_.text()->deleteEmptyParagraphMechanism(cur, cursor_);
+ checkDepm(cur, cursor_);
+
+ // if the cursor was in an empty script inset and the new
+ // position is in the nucleus of the inset, notifyCursorLeaves
+ // will kill the script inset itself. So we check all the
+ // elements of the cursor to make sure that they are correct.
+ // For an example, see bug 2933:
+ // http://bugzilla.lyx.org/show_bug.cgi?id=2933
+ // The code below could maybe be moved to a DocIterator method.
+ //lyxerr << "cur before " << cur <<std::endl;
+ DocIterator dit(cur.inset());
+ dit.push_back(cur.bottom());
+ size_t i = 1;
+ while (i < cur.depth() && dit.nextInset() == &cur[i].inset()) {
+ dit.push_back(cur[i]);
+ ++i;
+ }
+ //lyxerr << "5 cur after" << dit <<std::endl;
- cursor_ = cur;
+ cursor_.setCursor(dit);
cursor_.clearSelection();
- cursor_.setTargetX();
finishUndo();
-
+ return update;
}
cursor_.setSelection(cursor_, -length);
} else
cursor_.setSelection(cursor_, length);
+ cap::saveSelection(cursor_);
}
}
}
+// FIXME: We should split-up updateMetrics() for the singlepar case.
void BufferView::updateMetrics(bool singlepar)
{
- // Clear out the position cache in case of full screen redraw.
- if (!singlepar)
- coord_cache_.clear();
-
LyXText & buftext = buffer_->text();
+ TextMetrics & tm = textMetrics(&buftext);
pit_type size = int(buftext.paragraphs().size());
if (anchor_ref_ > int(buftext.paragraphs().size() - 1)) {
anchor_ref_ = int(buftext.paragraphs().size() - 1);
offset_ref_ = 0;
}
+
+ // If the paragraph metrics has changed, we can not
+ // use the singlepar optimisation.
+ if (singlepar
+ // In Single Paragraph mode, rebreak only
+ // the (main text, not inset!) paragraph containing the cursor.
+ // (if this paragraph contains insets etc., rebreaking will
+ // recursively descend)
+ && tm.redoParagraph(cursor_.bottom().pit()))
+ singlepar = false;
pit_type const pit = anchor_ref_;
int pit1 = pit;
int pit2 = pit;
size_t const npit = buftext.paragraphs().size();
- // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
- // the (main text, not inset!) paragraph containing the cursor.
- // (if this paragraph contains insets etc., rebreaking will
- // recursively descend)
- if (!singlepar || pit == cursor_.bottom().pit())
- buftext.redoParagraph(*this, pit);
- int y0 = buftext.getPar(pit).ascent() - offset_ref_;
+ // Rebreak anchor paragraph.
+ if (!singlepar)
+ tm.redoParagraph(pit);
+
+ // Clear out the position cache in case of full screen redraw.
+ if (!singlepar)
+ coord_cache_.clear();
+
+ int y0 = tm.parMetrics(pit).ascent() - offset_ref_;
- // Redo paragraphs above anchor if necessary; again, in Single Par
- // mode, only if we encounter the (main text) one having the cursor.
+ // Redo paragraphs above anchor if necessary.
int y1 = y0;
while (y1 > 0 && pit1 > 0) {
- y1 -= buftext.getPar(pit1).ascent();
+ y1 -= tm.parMetrics(pit1).ascent();
--pit1;
- if (!singlepar || pit1 == cursor_.bottom().pit())
- buftext.redoParagraph(*this, pit1);
- y1 -= buftext.getPar(pit1).descent();
+ if (!singlepar)
+ tm.redoParagraph(pit1);
+ y1 -= tm.parMetrics(pit1).descent();
}
// Take care of ascent of first line
- y1 -= buftext.getPar(pit1).ascent();
+ y1 -= tm.parMetrics(pit1).ascent();
// Normalize anchor for next time
anchor_ref_ = pit1;
anchor_ref_ = 0;
}
- // Redo paragraphs below the anchor if necessary. Single par mode:
- // only the one containing the cursor if encountered.
+ // Redo paragraphs below the anchor if necessary.
int y2 = y0;
while (y2 < height_ && pit2 < int(npit) - 1) {
- y2 += buftext.getPar(pit2).descent();
+ y2 += tm.parMetrics(pit2).descent();
++pit2;
- if (!singlepar || pit2 == cursor_.bottom().pit())
- buftext.redoParagraph(*this, pit2);
- y2 += buftext.getPar(pit2).ascent();
+ if (!singlepar)
+ tm.redoParagraph(pit2);
+ y2 += tm.parMetrics(pit2).ascent();
}
// Take care of descent of last line
- y2 += buftext.getPar(pit2).descent();
+ y2 += tm.parMetrics(pit2).descent();
// The coordinates of all these paragraphs are correct, cache them
int y = y1;
CoordCache::InnerParPosCache & parPos = coord_cache_.parPos()[&buftext];
for (pit_type pit = pit1; pit <= pit2; ++pit) {
- Paragraph const & par = buftext.getPar(pit);
- y += par.ascent();
+ ParagraphMetrics const & pm = tm.parMetrics(pit);
+ y += pm.ascent();
parPos[pit] = Point(0, y);
if (singlepar && pit == cursor_.bottom().pit()) {
// In Single Paragraph mode, collect here the
// y1 and y2 of the (one) paragraph the cursor is in
- y1 = y - par.ascent();
- y2 = y + par.descent();
+ y1 = y - pm.ascent();
+ y2 = y + pm.descent();
}
- y += par.descent();
+ y += pm.descent();
}
if (singlepar) {
pit2 = cursor_.bottom().pit();
}
- lyxerr[Debug::DEBUG]
+ LYXERR(Debug::DEBUG)
<< BOOST_CURRENT_FUNCTION
<< " y1: " << y1
<< " y2: " << y2
<< "size: " << size
<< endl;
- metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);
+ metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2,
+ singlepar? SingleParUpdate: FullScreenUpdate, size);
if (lyxerr.debugging(Debug::WORKAREA)) {
- lyxerr[Debug::WORKAREA] << "BufferView::updateMetrics" << endl;
+ LYXERR(Debug::WORKAREA) << "BufferView::updateMetrics" << endl;
coord_cache_.dump();
}
}
if (buffer_) {
string const trypath = buffer_->filePath();
// If directory is writeable, use this as default.
- if (isDirWriteable(trypath))
+ if (isDirWriteable(FileName(trypath)))
initpath = trypath;
}
resize();
}
-
} // namespace lyx