#include "Language.h"
#include "LaTeXFeatures.h"
#include "LayoutFile.h"
+#include "Length.h"
#include "Lexer.h"
#include "LyX.h"
#include "LyXAction.h"
struct BufferView::Private
{
- Private(BufferView & bv): wh_(0), cursor_(bv),
+ Private(BufferView & bv) : update_strategy_(NoScreenUpdate),
+ wh_(0), cursor_(bv),
anchor_pit_(0), anchor_ypos_(0),
inlineCompletionUniqueChars_(0),
last_inset_(0), clickable_inset_(false),
mouse_position_cache_(),
bookmark_edit_position_(-1), gui_(0),
horiz_scroll_offset_(0)
- {}
+ {
+ xsel_cache_.set = false;
+ }
///
ScrollbarParameters scrollbarParameters_;
int BufferView::rightMargin() const
{
+ // The value used to be hardcoded to 10, which is 0.1in at 100dpi
+ int const default_margin = Length(0.1, Length::IN).inPixels(0);
// The additional test for the case the outliner is opened.
- if (!full_screen_ ||
- !lyxrc.full_screen_limit ||
- width_ < lyxrc.full_screen_width + 20)
- return 10;
+ if (!full_screen_ || !lyxrc.full_screen_limit
+ || width_ < lyxrc.full_screen_width + 2 * default_margin)
+ return default_margin;
return (width_ - lyxrc.full_screen_width) / 2;
}
}
+int BufferView::inPixels(Length const & len) const
+{
+ Font const font = buffer().params().getFont();
+ return len.inPixels(workWidth(), theFontMetrics(font).em());
+}
+
+
bool BufferView::isTopScreen() const
{
- return d->scrollbarParameters_.position == d->scrollbarParameters_.min;
+ return 0 == d->scrollbarParameters_.min;
}
bool BufferView::isBottomScreen() const
{
- return d->scrollbarParameters_.position == d->scrollbarParameters_.max;
+ return 0 == d->scrollbarParameters_.max;
}
}
-bool BufferView::fitCursor()
+bool BufferView::needsFitCursor() const
{
if (cursorStatus(d->cursor_) == CUR_INSIDE) {
frontend::FontMetrics const & fm =
void BufferView::processUpdateFlags(Update::flags flags)
{
// This is close to a hot-path.
- LYXERR(Debug::DEBUG, "BufferView::processUpdateFlags()"
+ LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags()"
<< "[fitcursor = " << (flags & Update::FitCursor)
<< ", forceupdate = " << (flags & Update::Force)
<< ", singlepar = " << (flags & Update::SinglePar)
// Now do the first drawing step if needed. This consists on updating
// the CoordCache in updateMetrics().
// The second drawing step is done in WorkArea::redraw() if needed.
+ // FIXME: is this still true now that Buffer::changed() is used all over?
// Case when no explicit update is requested.
if (!flags) {
if (flags == Update::FitCursor
|| flags == (Update::Decoration | Update::FitCursor)) {
// tell the frontend to update the screen if needed.
- if (fitCursor()) {
+ if (needsFitCursor()) {
showCursor();
return;
}
return;
}
// no screen update is needed in principle, but this
- // could change if cursor row needs scrolling.
+ // could change if cursor row needs horizontal scrolling.
d->update_strategy_ = NoScreenUpdate;
buffer_.changed(false);
return;
// This is done at draw() time. So we need a redraw!
buffer_.changed(false);
- if (fitCursor()) {
+ if (needsFitCursor()) {
// The cursor is off screen so ensure it is visible.
// refresh it:
showCursor();
for (size_t i = last.first + 1; i != parsize; ++i)
d->scrollbarParameters_.max += d->par_height_[i];
- d->scrollbarParameters_.position = 0;
// The reference is the top position so we remove one page.
if (lyxrc.scroll_below_document)
d->scrollbarParameters_.max -= minVisiblePart();
else
d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
+
+ // 0 must be inside the range as it denotes the current position
+ if (d->scrollbarParameters_.max < 0)
+ d->scrollbarParameters_.max = 0;
+ if (d->scrollbarParameters_.min > 0)
+ d->scrollbarParameters_.min = 0;
}
}
-void BufferView::scrollDocView(int value, bool update)
+
+void BufferView::scrollDocView(int const value, bool update)
{
- int const offset = value - d->scrollbarParameters_.position;
+ // The scrollbar values are relative to the top of the screen, therefore the
+ // offset is equal to the target value.
// No scrolling at all? No need to redraw anything
- if (offset == 0)
+ if (value == 0)
return;
// If the offset is less than 2 screen height, prefer to scroll instead.
- if (abs(offset) <= 2 * height_) {
- d->anchor_ypos_ -= offset;
+ if (abs(value) <= 2 * height_) {
+ d->anchor_ypos_ -= value;
buffer_.changed(true);
updateHoveredInset();
return;
DocIterator dit = d->cursor_.selectionBegin();
// The selected content might have been changed (see #7685)
- while (dit.inMathed())
- // Find enclosing text cursor
- dit.pop_back();
+ dit = dit.getInnerText();
return dit.paragraph().lookupChange(dit.pos());
}
setCursor(dit);
// set the current font.
d->cursor_.setCurrentFont();
+ // Do not forget to reset the anchor (see #9912)
+ d->cursor_.resetAnchor();
// To center the screen on this new position we need the
// paragraph position which is computed at draw() time.
// So we need a redraw!
buffer_.changed(false);
- if (fitCursor())
+ if (needsFitCursor())
showCursor();
}
}
-bool BufferView::scrollToCursor(DocIterator const & dit, bool recenter)
+bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
{
// We are not properly started yet, delay until resizing is
// done.
}
-/** Return the change status at cursor position, taking in account the
+/** Return the change status at cursor position, taking into account the
* status at each level of the document iterator (a table in a deleted
* footnote is deleted).
* When \param outer is true, the top slice is not looked at.
if (buffer_.isReadonly()
&& !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
&& !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
- flag.message(from_utf8(N_("Document is read-only")));
+ if (buffer_.hasReadonlyFlag())
+ flag.message(from_utf8(N_("Document is read-only")));
+ else
+ flag.message(from_utf8(N_("Document has been modified externally")));
flag.setEnabled(false);
return true;
}
case LFUN_KEYMAP_PRIMARY:
case LFUN_KEYMAP_SECONDARY:
case LFUN_KEYMAP_TOGGLE:
+ case LFUN_INSET_SELECT_ALL:
flag.setEnabled(true);
break;
iss >> opt;
flag.setEnabled(opt.repl_buf_name.empty()
|| !buffer_.isReadonly());
+ break;
}
- case LFUN_LABEL_GOTO: {
+ case LFUN_LABEL_GOTO:
flag.setEnabled(!cmd.argument().empty()
|| getInsetByCode<InsetRef>(cur, REF_CODE));
break;
- }
-
- case LFUN_CHANGES_TRACK:
- flag.setEnabled(true);
- flag.setOnOff(buffer_.params().track_changes);
- break;
-
- case LFUN_CHANGES_OUTPUT:
- flag.setEnabled(true);
- flag.setOnOff(buffer_.params().output_changes);
- break;
case LFUN_CHANGES_MERGE:
case LFUN_CHANGE_NEXT:
case LFUN_CHANGE_PREVIOUS:
case LFUN_ALL_CHANGES_ACCEPT:
case LFUN_ALL_CHANGES_REJECT:
- // TODO: context-sensitive enabling of LFUNs
- // In principle, these command should only be enabled if there
- // is a change in the document. However, without proper
- // optimizations, this will inevitably result in poor performance.
- flag.setEnabled(true);
- break;
-
- case LFUN_BUFFER_TOGGLE_COMPRESSION: {
- flag.setOnOff(buffer_.params().compressed);
+ flag.setEnabled(buffer_.areChangesPresent());
break;
- }
-
- case LFUN_BUFFER_TOGGLE_OUTPUT_SYNC: {
- flag.setOnOff(buffer_.params().output_sync);
- break;
- }
case LFUN_SCREEN_UP:
case LFUN_SCREEN_DOWN:
string const argument = to_utf8(cmd.argument());
Cursor & cur = d->cursor_;
+ Cursor old = cur;
// Don't dispatch function that does not apply to internal buffers.
if (buffer_.isInternal()
case LFUN_BUFFER_PARAMS_APPLY: {
DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
- cur.recordUndoFullDocument();
+ cur.recordUndoBufferParams();
istringstream ss(to_utf8(cmd.argument()));
Lexer lex;
lex.setStream(ss);
}
case LFUN_LAYOUT_MODULES_CLEAR: {
- cur.recordUndoFullDocument();
+ // FIXME: this modifies the document in cap::switchBetweenClasses
+ // without calling recordUndo. Fix this before using
+ // recordUndoBufferParams().
+ cur.recordUndoFullBuffer();
buffer_.params().clearLayoutModules();
makeDocumentClass();
dr.screenUpdate(Update::Force);
"conflicts with installed modules.");
break;
}
- cur.recordUndoFullDocument();
+ // FIXME: this modifies the document in cap::switchBetweenClasses
+ // without calling recordUndo. Fix this before using
+ // recordUndoBufferParams().
+ cur.recordUndoFullBuffer();
buffer_.params().addLayoutModule(argument);
makeDocumentClass();
dr.screenUpdate(Update::Force);
break;
// Save the old, possibly modular, layout for use in conversion.
- cur.recordUndoFullDocument();
+ // FIXME: this modifies the document in cap::switchBetweenClasses
+ // without calling recordUndo. Fix this before using
+ // recordUndoBufferParams().
+ cur.recordUndoFullBuffer();
buffer_.params().setBaseClass(argument);
makeDocumentClass();
dr.screenUpdate(Update::Force);
else
dr.screenUpdate(Update::Force | Update::FitCursor);
dr.forceBufferUpdate();
+ // we only need to do this if we have deleted or restored a
+ // BiBTeX inset. but there is no other place to do it. one
+ // obvious idea is to try to do it in a copy constructor for
+ // InsetBibTeX, but when that is invoked, the buffer_ member
+ // is not yet set. another idea is to look at the InsetLists
+ // of the various paragraphs. but we'd have to recurse through
+ // the contained insets to make that work. it doesn't seem to
+ // be worth it, as this will not happen that often.
+ buffer().invalidateBibfileCache();
+ buffer().removeBiblioTempFiles();
break;
case LFUN_REDO:
else
dr.screenUpdate(Update::Force | Update::FitCursor);
dr.forceBufferUpdate();
+ // see above
+ buffer().invalidateBibfileCache();
+ buffer().removeBiblioTempFiles();
break;
case LFUN_FONT_STATE:
case LFUN_PARAGRAPH_GOTO: {
int const id = convert<int>(cmd.getArg(0));
- int const pos = convert<int>(cmd.getArg(1));
+ pos_type const pos = convert<int>(cmd.getArg(1));
+ if (id < 0)
+ break;
+ string const str_id_end = cmd.getArg(2);
+ string const str_pos_end = cmd.getArg(3);
int i = 0;
for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
b = theBufferList().next(b)) {
- DocIterator dit = b->getParFromID(id);
- if (dit.atEnd()) {
+ Cursor cur(*this);
+ cur.setCursor(b->getParFromID(id));
+ if (cur.atEnd()) {
LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
++i;
continue;
}
- LYXERR(Debug::INFO, "Paragraph " << dit.paragraph().id()
+ LYXERR(Debug::INFO, "Paragraph " << cur.paragraph().id()
<< " found in buffer `"
<< b->absFileName() << "'.");
if (b == &buffer_) {
- // Set the cursor
- dit.pos() = pos;
- setCursor(dit);
- dr.screenUpdate(Update::Force | Update::FitCursor);
+ bool success;
+ if (str_id_end.empty() || str_pos_end.empty()) {
+ // Set the cursor
+ cur.pos() = pos;
+ mouseSetCursor(cur);
+ success = true;
+ } else {
+ int const id_end = convert<int>(str_id_end);
+ pos_type const pos_end = convert<int>(str_pos_end);
+ success = setCursorFromEntries({id, pos},
+ {id_end, pos_end});
+ }
+ if (success)
+ dr.screenUpdate(Update::Force | Update::FitCursor);
} else {
// Switch to other buffer view and resend cmd
lyx::dispatch(FuncRequest(
break;
}
- case LFUN_CHANGES_TRACK:
- buffer_.params().track_changes = !buffer_.params().track_changes;
- break;
-
- case LFUN_CHANGES_OUTPUT:
- buffer_.params().output_changes = !buffer_.params().output_changes;
- if (buffer_.params().output_changes) {
- bool dvipost = LaTeXFeatures::isAvailable("dvipost");
- bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
- LaTeXFeatures::isAvailable("xcolor");
-
- if (!dvipost && !xcolorulem) {
- Alert::warning(_("Changes not shown in LaTeX output"),
- _("Changes will not be highlighted in LaTeX output, "
- "because neither dvipost nor xcolor/ulem are installed.\n"
- "Please install these packages or redefine "
- "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
- } else if (!xcolorulem) {
- Alert::warning(_("Changes not shown in LaTeX output"),
- _("Changes will not be highlighted in LaTeX output "
- "when using pdflatex, because xcolor and ulem are not installed.\n"
- "Please install both packages or redefine "
- "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
- }
- }
- break;
-
case LFUN_CHANGE_NEXT:
findNextChange(this);
// FIXME: Move this LFUN to Buffer so that we don't have to do this:
docstring const data =
find2string(searched_string, true, false, fw);
bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
- if (found) {
+ if (found)
dr.screenUpdate(Update::Force | Update::FitCursor);
- cur.dispatched();
- dispatched = true;
- } else {
- cur.undispatched();
- dispatched = false;
- }
break;
}
lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
break;
}
- if (lyxfind(this, req)) {
+ if (lyxfind(this, req))
dr.screenUpdate(Update::Force | Update::FitCursor);
- cur.dispatched();
- dispatched = true;
- } else {
- cur.undispatched();
- dispatched = false;
- }
+
d->search_request_cache_ = req;
break;
}
if (lyxreplace(this, cmd, has_deleted)) {
dr.forceBufferUpdate();
dr.screenUpdate(Update::Force | Update::FitCursor);
- cur.dispatched();
- dispatched = true;
- } else {
- cur.undispatched();
- dispatched = false;
}
break;
}
break;
case LFUN_MARK_TOGGLE:
- cur.setSelection(false);
+ cur.selection(false);
if (cur.mark()) {
cur.setMark(false);
dr.setMessage(from_utf8(N_("Mark removed")));
}
break;
- case LFUN_BUFFER_TOGGLE_COMPRESSION:
- // turn compression on/off
- buffer_.params().compressed = !buffer_.params().compressed;
- break;
-
- case LFUN_BUFFER_TOGGLE_OUTPUT_SYNC:
- buffer_.params().output_sync = !buffer_.params().output_sync;
- break;
-
case LFUN_SCREEN_UP:
case LFUN_SCREEN_DOWN: {
Point p = getPos(cur);
p = Point(0, 0);
if (act == LFUN_SCREEN_DOWN && scrolled < height_)
p = Point(width_, height_);
- Cursor old = cur;
bool const in_texted = cur.inTexted();
cur.setCursor(doc_iterator_begin(cur.buffer()));
cur.selHandle(false);
}
+ case LFUN_INSET_SELECT_ALL: {
+ // true if all cells are selected
+ bool const all_selected = cur.depth() > 1
+ && cur.selBegin().at_begin()
+ && cur.selEnd().at_end();
+ // true if some cells are selected
+ bool const cells_selected = cur.depth() > 1
+ && cur.selBegin().at_cell_begin()
+ && cur.selEnd().at_cell_end();
+ if (all_selected || (cells_selected && !cur.inset().isTable())) {
+ // All the contents of the inset if selected, or only at
+ // least one cell but inset is not a table.
+ // Select the inset from outside.
+ cur.pop();
+ cur.resetAnchor();
+ cur.selection(true);
+ cur.posForward();
+ } else if (cells_selected) {
+ // At least one complete cell is selected and inset is a table.
+ // Select all cells
+ cur.idx() = 0;
+ cur.pos() = 0;
+ cur.resetAnchor();
+ cur.selection(true);
+ cur.idx() = cur.lastidx();
+ cur.pos() = cur.lastpos();
+ } else {
+ // select current cell
+ cur.pit() = 0;
+ cur.pos() = 0;
+ cur.resetAnchor();
+ cur.selection(true);
+ cur.pit() = cur.lastpit();
+ cur.pos() = cur.lastpos();
+ }
+ cur.setCurrentFont();
+ dr.screenUpdate(Update::Force);
+ break;
+ }
+
+
// This would be in Buffer class if only Cursor did not
// require a bufferview
case LFUN_INSET_FORALL: {
if (!cur.nextInset() || cur.nextInset() == ins)
cur.forwardInset();
}
- cur.endUndoGroup();
cur = savecur;
cur.fixIfBroken();
+ /** This is a dummy undo record only to remember the cursor
+ * that has just been set; this will be used on a redo action
+ * (see ticket #10097)
+
+ * FIXME: a better fix would be to have a way to set the
+ * cursor value directly, but I am not sure it is worth it.
+ */
+ cur.recordUndo();
+ cur.endUndoGroup();
dr.screenUpdate(Update::Force);
dr.forceBufferUpdate();
if (!newL || oldL == newL)
break;
if (oldL->rightToLeft() == newL->rightToLeft()) {
- cur.recordUndoFullDocument();
+ cur.recordUndoFullBuffer();
buffer_.changeLanguage(oldL, newL);
cur.setCurrentFont();
dr.forceBufferUpdate();
buffer_.undo().endUndoGroup();
dr.dispatched(dispatched);
+
+ // NOTE: The code below is copied from Cursor::dispatch. If you
+ // need to modify this, please update the other one too.
+
+ // notify insets we just entered/left
+ if (cursor() != old) {
+ old.beginUndoGroup();
+ old.fixIfBroken();
+ bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
+ if (badcursor) {
+ cursor().fixIfBroken();
+ resetInlineCompletionPos();
+ }
+ old.endUndoGroup();
+ }
}
int const y = d->mouse_position_cache_.y_;
Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
- d->clickable_inset_ = covering_inset && covering_inset->clickable(x, y);
+ d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
if (covering_inset == d->last_inset_)
// Same inset, no need to do anything...
Cursor old = cursor();
Cursor cur(*this);
cur.push(buffer_.inset());
- cur.setSelection(d->cursor_.selection());
+ cur.selection(d->cursor_.selection());
// Either the inset under the cursor or the
// surrounding Text will handle this event.
// Build temporary cursor.
Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
+ if (inset) {
+ // If inset is not editable, cur.pos() might point behind the
+ // inset (depending on cmd.x(), cmd.y()). This is needed for
+ // editing to fix bug 9628, but e.g. the context menu needs a
+ // cursor in front of the inset.
+ if ((inset->hasSettings() || !inset->contextMenuName().empty()
+ || inset->lyxCode() == SEPARATOR_CODE) &&
+ cur.nextInset() != inset && cur.prevInset() == inset)
+ cur.posBackward();
+ } else if (cur.inTexted() && cur.pos()
+ && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
+ // Always place cursor in front of a separator inset.
+ cur.posBackward();
+ }
// Put anchor at the same position.
cur.resetAnchor();
if (!inset || !cur.result().dispatched())
cur.dispatch(cmd);
- cur.endUndoGroup();
-
// Notify left insets
if (cur != old) {
bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
cursor().fixIfBroken();
}
+ cur.endUndoGroup();
+
// Do we have a selection?
theSelection().haveSelection(cursor().selection());
}
-void BufferView::setCursorFromRow(int row)
+bool BufferView::setCursorFromRow(int row)
{
- int tmpid;
- int tmppos;
- pit_type newpit = 0;
- pos_type newpos = 0;
+ TexRow::TextEntry start, end;
+ tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
+ LYXERR(Debug::LATEX,
+ "setCursorFromRow: for row " << row << ", TexRow has found "
+ "start (id=" << start.id << ",pos=" << start.pos << "), "
+ "end (id=" << end.id << ",pos=" << end.pos << ")");
+ return setCursorFromEntries(start, end);
+}
- buffer_.texrow().getIdFromRow(row, tmpid, tmppos);
- bool posvalid = (tmpid != -1);
- if (posvalid) {
- // we need to make sure that the row and position
- // we got back are valid, because the buffer may well
- // have changed since we last generated the LaTeX.
- DocIterator dit = buffer_.getParFromID(tmpid);
- if (dit == doc_iterator_end(&buffer_))
- posvalid = false;
- else if (dit.depth() > 1) {
- // We are in an inset.
- pos_type lastpos = dit.lastpos();
- dit.pos() = tmppos > lastpos ? lastpos : tmppos;
- setCursor(dit);
- recenter();
- return;
- } else {
- newpit = dit.pit();
- // now have to check pos.
- newpos = tmppos;
- Paragraph const & par = buffer_.text().getPar(newpit);
- if (newpos > par.size()) {
- LYXERR0("Requested position no longer valid.");
- newpos = par.size() - 1;
- }
- }
- }
- if (!posvalid) {
- frontend::Alert::error(_("Inverse Search Failed"),
- _("Invalid position requested by inverse search.\n"
- "You need to update the viewed document."));
- return;
+bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
+ TexRow::TextEntry end)
+{
+ DocIterator dit_start, dit_end;
+ tie(dit_start,dit_end) =
+ TexRow::getDocIteratorsFromEntries(start, end, buffer_);
+ if (!dit_start)
+ return false;
+ // Setting selection start
+ d->cursor_.clearSelection();
+ setCursor(dit_start);
+ // Setting selection end
+ if (dit_end) {
+ d->cursor_.resetAnchor();
+ setCursorSelectionTo(dit_end);
}
- d->cursor_.reset();
- buffer_.text().setCursor(d->cursor_, newpit, newpos);
- d->cursor_.setSelection(false);
- d->cursor_.resetAnchor();
- recenter();
+ return true;
}
Buffer const * buf = *it;
// find label
- Toc & toc = buf->tocBackend().toc("label");
- TocIterator toc_it = toc.begin();
- TocIterator end = toc.end();
+ shared_ptr<Toc> toc = buf->tocBackend().toc("label");
+ Toc::const_iterator toc_it = toc->begin();
+ Toc::const_iterator end = toc->end();
for (; toc_it != end; ++toc_it) {
if (label == toc_it->str()) {
lyx::dispatch(toc_it->action());
dit[i].inset().edit(d->cursor_, true);
d->cursor_.setCursor(dit);
- d->cursor_.setSelection(false);
+ d->cursor_.selection(false);
+ d->cursor_.setCurrentFont();
// FIXME
// It seems on general grounds as if this is probably needed, but
// it is not yet clear.
}
+void BufferView::setCursorSelectionTo(DocIterator const & dit)
+{
+ size_t const n = dit.depth();
+ for (size_t i = 0; i < n; ++i)
+ dit[i].inset().edit(d->cursor_, true);
+
+ d->cursor_.selection(true);
+ d->cursor_.setCursorSelectionTo(dit);
+ d->cursor_.setCurrentFont();
+}
+
+
bool BufferView::checkDepm(Cursor & cur, Cursor & old)
{
// Would be wrong to delete anything if we have a selection.
d->cursor_ = cur;
// we would rather not do this here, but it needs to be done before
- // the changed() signal is sent.
+ // the changed() signal is sent.
buffer_.updateBuffer();
buffer_.changed(true);
}
-bool BufferView::mouseSetCursor(Cursor & cur, bool select)
+bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
{
LASSERT(&cur.bv() == this, return false);
if (leftinset)
d->cursor_.fixIfBroken();
- // FIXME: shift-mouse selection doesn't work well across insets.
- bool const do_selection =
- select && &d->cursor_.normalAnchor().inset() == &cur.inset();
-
// do the dEPM magic if needed
// FIXME: (1) move this to InsetText::notifyCursorLeaves?
// FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
// the leftinset bool would not be necessary (badcursor instead).
bool update = leftinset;
- if (!do_selection && d->cursor_.inTexted())
- update |= checkDepm(cur, d->cursor_);
- if (!do_selection)
- d->cursor_.resetAnchor();
- d->cursor_.setCursor(cur);
- d->cursor_.boundary(cur.boundary());
- if (do_selection)
+ if (select) {
d->cursor_.setSelection();
- else
+ d->cursor_.setCursorSelectionTo(cur);
+ } else {
+ if (d->cursor_.inTexted())
+ update |= checkDepm(cur, d->cursor_);
+ d->cursor_.resetAnchor();
+ d->cursor_.setCursor(cur);
d->cursor_.clearSelection();
-
+ }
+ d->cursor_.boundary(cur.boundary());
d->cursor_.finishUndo();
d->cursor_.setCurrentFont();
if (update)
d->cursor_.setCursor(cur);
d->cursor_.pit() = beg_pit;
d->cursor_.pos() = 0;
- d->cursor_.setSelection(false);
+ d->cursor_.selection(false);
d->cursor_.resetAnchor();
d->cursor_.pit() = end_pit;
d->cursor_.pos() = end_pos;
int lastw = 0;
// Addup contribution of nested insets, from inside to outside,
- // keeping the outer paragraph for a special handling below
+ // keeping the outer paragraph for a special handling below
for (size_t i = dit.depth() - 1; i >= 1; --i) {
CursorSlice const & sl = dit[i];
int xx = 0;
}
// remember width for the case that sl.inset() is positioned in an RTL inset
- if (i && dit[i - 1].text()) {
- // If this Inset is inside a Text Inset, retrieve the Dimension
- // from the containing text instead of using Inset::dimension() which
- // might not be implemented.
- // FIXME (Abdel 23/09/2007): this is a bit messy because of the
- // elimination of Inset::dim_ cache. This coordOffset() method needs
- // to be rewritten in light of the new design.
- Dimension const & dim = parMetrics(dit[i - 1].text(),
- dit[i - 1].pit()).insetDimension(&sl.inset());
- lastw = dim.wid;
- } else {
- Dimension const dim = sl.inset().dimension(*this);
- lastw = dim.wid;
- }
+ lastw = sl.inset().dimension(*this).wid;
//lyxerr << "Cursor::getPos, i: "
// << i << " x: " << xx << " y: " << y << endl;
void BufferView::cursorPosAndHeight(Point & p, int & h) const
{
Cursor const & cur = cursor();
- Font const font = cur.getFont();
+ Font const font = cur.real_current_font;
frontend::FontMetrics const & fm = theFontMetrics(font);
int const asc = fm.maxAscent();
int const des = fm.maxDescent();
}
-CursorSlice const & BufferView::currentRowSlice() const
+int BufferView::horizScrollOffset(Text const * text,
+ pit_type pit, pos_type pos) const
{
- return d->current_row_slice_;
+ // Is this a row that is currently scrolled?
+ if (!d->current_row_slice_.empty()
+ && &text->inset() == d->current_row_slice_.inset().asInsetText()
+ && pit == d->current_row_slice_.pit()
+ && pos == d->current_row_slice_.pos())
+ return d->horiz_scroll_offset_;
+ return 0;
}
-CursorSlice const & BufferView::lastRowSlice() const
+bool BufferView::hadHorizScrollOffset(Text const * text,
+ pit_type pit, pos_type pos) const
{
- return d->last_row_slice_;
+ return !d->last_row_slice_.empty()
+ && &text->inset() == d->last_row_slice_.inset().asInsetText()
+ && pit == d->last_row_slice_.pit()
+ && pos == d->last_row_slice_.pos();
}
return;
ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
Row const & row = pm.getRow(rowSlice.pos(),
- d->cursor_.boundary()
- && rowSlice == d->cursor_.top());
+ d->cursor_.boundary() && rowSlice == d->cursor_.top());
rowSlice.pos() = row.pos();
// Set the row on which the cursor lives.
setCurrentRowSlice(rowSlice);
- // Force the recomputation of inset positions
- bool const drawing = pi.pain.isDrawingEnabled();
- pi.pain.setDrawingEnabled(false);
- // No need to care about vertical position.
- RowPainter rp(pi, buffer().text(), d->cursor_.bottom().pit(), row, 0, 0);
- rp.paintText();
- pi.pain.setDrawingEnabled(drawing);
+ // If insets referred to by cursor are not all in the cache, the positions
+ // need to be recomputed.
+ if (!d->cursor_.inCoordCache()) {
+ /** FIXME: the code below adds an extraneous computation of
+ * inset positions, and can therefore be bad for performance
+ * (think for example about a very large tabular inset.
+ * Redawing the row where it is means redrawing the whole
+ * screen).
+ *
+ * The bug that this fixes is the following: assume that there
+ * is a very large math inset. Upon entering the inset, when
+ * pressing `End', the row is not scrolled and the cursor is
+ * not visible. The extra row computation makes sure that the
+ * inset positions are correctly computed and set in the
+ * cache. This would not happen if we did not have two-stage
+ * drawing.
+ *
+ * A proper fix would be to always have proper inset positions
+ * at this point.
+ */
+ // Force the recomputation of inset positions
+ bool const drawing = pi.pain.isDrawingEnabled();
+ pi.pain.setDrawingEnabled(false);
+ // No need to care about vertical position.
+ RowPainter rp(pi, buffer().text(), row, -d->horiz_scroll_offset_, 0);
+ rp.paintText();
+ pi.pain.setDrawingEnabled(drawing);
+ }
// Current x position of the cursor in pixels
- int const cur_x = getPos(d->cursor_).x_;
+ int cur_x = getPos(d->cursor_).x_;
// Horizontal scroll offset of the cursor row in pixels
int offset = d->horiz_scroll_offset_;
- int const MARGIN = 10;
- if (cur_x < offset + MARGIN) {
- // scroll right
- offset = cur_x - MARGIN;
- } else if (cur_x > offset + workWidth() - MARGIN) {
- // scroll left
- offset = cur_x - workWidth() + MARGIN;
- } else if(offset > 0
- && row.width() - offset < workWidth()){
- offset = row.width() - workWidth();
+ int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
+ + row.right_margin;
+ if (row.right_x() <= workWidth() - row.right_margin) {
+ // Row is narrower than the work area, no offset needed.
+ offset = 0;
+ } else {
+ if (cur_x - offset < MARGIN) {
+ // cursor would be too far right
+ offset = cur_x - MARGIN;
+ } else if (cur_x - offset > workWidth() - MARGIN) {
+ // cursor would be too far left
+ offset = cur_x - workWidth() + MARGIN;
+ }
+ // Correct the offset to make sure that we do not scroll too much
+ if (offset < 0)
+ offset = 0;
+ if (row.right_x() - offset < workWidth() - row.right_margin)
+ offset = row.right_x() - workWidth() + row.right_margin;
}
+ //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
+
if (offset != d->horiz_scroll_offset_)
- LYXERR0("Offset is now " << offset);
+ LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
+ << d->horiz_scroll_offset_ << " to " << offset);
if (d->update_strategy_ == NoScreenUpdate
&& (offset != d->horiz_scroll_offset_
|| !d->last_row_slice_.empty())) {
// FIXME: if one uses SingleParUpdate, then home/end
// will not work on long rows. Why?
- d->update_strategy_ = FullScreenUpdate;//DecorationUpdate;
+ d->update_strategy_ = FullScreenUpdate;
}
d->horiz_scroll_offset_ = offset;
case NoScreenUpdate:
// If no screen painting is actually needed, only some the different
// coordinates of insets and paragraphs needs to be updated.
+ LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
pi.full_repaint = true;
pi.pain.setDrawingEnabled(false);
- tm.draw(pi, 0, y);
+ tm.draw(pi, 0, y);
break;
case SingleParUpdate:
pi.full_repaint = false;
+ LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
// In general, only the current row of the outermost paragraph
// will be redrawn. Particular cases where selection spans
// multiple paragraph are correctly detected in TextMetrics.
- tm.draw(pi, 0, y);
+ tm.draw(pi, 0, y);
break;
case DecorationUpdate:
// because of the single backing pixmap.
case FullScreenUpdate:
+
+ LYXERR(Debug::PAINTING,
+ ((d->update_strategy_ == FullScreenUpdate)
+ ? "Strategy: FullScreenUpdate"
+ : "Strategy: DecorationUpdate"));
+
// The whole screen, including insets, will be refreshed.
pi.full_repaint = true;
projects / lyx.git / blobdiff