#include "Language.h"
#include "LaTeXFeatures.h"
#include "LayoutFile.h"
+#include "Length.h"
#include "Lexer.h"
#include "LyX.h"
#include "LyXAction.h"
#include "Paragraph.h"
#include "ParagraphParameters.h"
#include "ParIterator.h"
+#include "RowPainter.h"
#include "Session.h"
#include "Text.h"
#include "TextClass.h"
#include "WordLangTuple.h"
#include "insets/InsetBibtex.h"
+#include "insets/InsetCitation.h"
#include "insets/InsetCommand.h" // ChangeRefs
#include "insets/InsetExternal.h"
#include "insets/InsetGraphics.h"
#include "insets/InsetRef.h"
#include "insets/InsetText.h"
+#include "mathed/MathData.h"
+
#include "frontends/alert.h"
#include "frontends/Application.h"
#include "frontends/Delegates.h"
while (tmpdit) {
Inset const * inset = tmpdit.nextInset();
if (inset) {
- bool const valid_code = std::find(codes.begin(), codes.end(),
+ bool const valid_code = std::find(codes.begin(), codes.end(),
inset->lyxCode()) != codes.end();
InsetCommand const * ic = inset->asInsetCommand();
bool const same_or_no_contents = contents.empty()
|| (ic && (ic->getFirstNonOptParam() == contents));
-
+
if (valid_code && same_or_no_contents) {
dit = tmpdit;
return true;
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),
+ last_inset_(0), clickable_inset_(false),
mouse_position_cache_(),
- bookmark_edit_position_(-1), gui_(0)
+ bookmark_edit_position_(-1), gui_(0),
+ horiz_scroll_offset_(0)
{}
///
///
map<string, Inset *> edited_insets_;
+
+ /// When the row where the cursor lies is scrolled, this
+ /// contains the scroll offset
+ int horiz_scroll_offset_;
+ /// a slice pointing to the start of the row where the cursor
+ /// is (at last draw time)
+ CursorSlice current_row_slice_;
+ /// a slice pointing to the start of the row where cursor was
+ /// at previous draw event
+ CursorSlice last_row_slice_;
};
fp.pit = d->cursor_.bottom().pit();
fp.pos = d->cursor_.bottom().pos();
theSession().lastFilePos().save(buffer_.fileName(), fp);
-
+
if (d->last_inset_)
- d->last_inset_->setMouseHover(this, false);
+ d->last_inset_->setMouseHover(this, false);
delete d;
}
buffer_.changed(false);
return;
}
- // no screen update is needed.
+ // no screen update is needed in principle, but this
+ // could change if cursor row needs scrolling.
d->update_strategy_ = NoScreenUpdate;
+ buffer_.changed(false);
return;
}
d->scrollbarParameters_.page_step = height_;
Text & t = buffer_.text();
- TextMetrics & tm = d->text_metrics_[&t];
+ TextMetrics & tm = d->text_metrics_[&t];
LYXERR(Debug::GUI, " Updating scrollbar: height: "
<< t.paragraphs().size()
case CUR_INSIDE:
int const y = getPos(oldcur).y_;
newy = min(last, max(y, first));
- if (y == newy)
+ if (y == newy)
return;
}
// We reset the cursor because cursorStatus() does not
return Change(Change::UNCHANGED);
DocIterator dit = d->cursor_.selectionBegin();
+ // The selected content might have been changed (see #7685)
+ while (dit.inMathed())
+ // Find enclosing text cursor
+ dit.pop_back();
return dit.paragraph().lookupChange(dit.pos());
}
// the bookmark.
if (bottom_pit < int(buffer_.paragraphs().size())) {
dit = doc_iterator_begin(&buffer_);
-
+
dit.pit() = bottom_pit;
dit.pos() = min(bottom_pos, dit.paragraph().size());
success = true;
void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
{
- if (lyxrc.rtl_support) {
- if (d->cursor_.real_current_font.isRightToLeft()) {
- if (d->intl_.keymap == Intl::PRIMARY)
- d->intl_.keyMapSec();
- } else {
- if (d->intl_.keymap == Intl::SECONDARY)
- d->intl_.keyMapPrim();
- }
+ if (d->cursor_.real_current_font.isRightToLeft()) {
+ if (d->intl_.keymap == Intl::PRIMARY)
+ d->intl_.keyMapSec();
+ } else {
+ if (d->intl_.keymap == Intl::SECONDARY)
+ d->intl_.keyMapPrim();
}
d->intl_.getTransManager().translateAndInsert(c, t, cur);
if (tm.contains(bot_pit)) {
ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
- LASSERT(!pm.rows().empty(), /**/);
+ LBUFERR(!pm.rows().empty());
// FIXME: smooth scrolling doesn't work in mathed.
CursorSlice const & cs = dit.innerTextSlice();
int offset = coordOffset(dit).y_;
void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
{
message(_("Converting document to new document class..."));
-
+
StableDocIterator backcur(d->cursor_);
ErrorList & el = buffer_.errorList("Class Switch");
cap::switchBetweenClasses(
case LFUN_BIBTEX_DATABASE_ADD:
case LFUN_BIBTEX_DATABASE_DEL:
case LFUN_STATISTICS:
- case LFUN_BRANCH_ADD_INSERT:
case LFUN_KEYMAP_OFF:
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().trackChanges);
+ flag.setOnOff(buffer_.params().track_changes);
break;
case LFUN_CHANGES_OUTPUT:
flag.setEnabled(true);
- flag.setOnOff(buffer_.params().outputChanges);
+ flag.setOnOff(buffer_.params().output_changes);
break;
case LFUN_CHANGES_MERGE:
flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
break;
+ case LFUN_BRANCH_ADD_INSERT:
+ flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
+ break;
+
case LFUN_DIALOG_SHOW_NEW_INSET:
// FIXME: this is wrong, but I do not understand the
// intent (JMarc)
break;
}
- // FIXME We do not really want this here, but at present we need to
- // handle their dispatch here, for reasons explained there, so we'll
- // handle this here, too, for consistency.
- case LFUN_BRANCH_ACTIVATE:
- case LFUN_BRANCH_DEACTIVATE:
- case LFUN_BRANCH_MASTER_ACTIVATE:
- case LFUN_BRANCH_MASTER_DEACTIVATE: {
- bool const master = (cmd.action() == LFUN_BRANCH_MASTER_ACTIVATE
- || cmd.action() == LFUN_BRANCH_MASTER_DEACTIVATE);
- BranchList const & branchList = master ? buffer().masterBuffer()->params().branchlist()
- : buffer().params().branchlist();
- docstring const branchName = cmd.argument();
- flag.setEnabled(!branchName.empty() && branchList.find(branchName));
- break;
- }
-
default:
return false;
}
Cursor & cur = d->cursor_;
// Don't dispatch function that does not apply to internal buffers.
- if (buffer_.isInternal()
+ if (buffer_.isInternal()
&& lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
return;
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);
<< (unknown_tokens == 1 ? "" : "s"));
}
updateDocumentClass(olddc);
-
+
// We are most certainly here because of a change in the document
// It is then better to make sure that all dialogs are in sync with
// current document settings.
dr.forceBufferUpdate();
break;
}
-
+
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);
case LFUN_LAYOUT_MODULE_ADD: {
BufferParams const & params = buffer_.params();
- if (!params.moduleCanBeAdded(argument)) {
- LYXERR0("Module `" << argument <<
+ if (!params.layoutModuleCanBeAdded(argument)) {
+ LYXERR0("Module `" << argument <<
"' cannot be added due to failed requirements or "
"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);
}
case LFUN_TEXTCLASS_APPLY: {
- // since this shortcircuits, the second call is made only if
+ // since this shortcircuits, the second call is made only if
// the first fails
- bool const success =
+ bool const success =
LayoutFileList::get().load(argument, buffer_.temppath()) ||
LayoutFileList::get().load(argument, buffer_.filePath());
if (!success) {
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);
}
case LFUN_TEXTCLASS_LOAD: {
- // since this shortcircuits, the second call is made only if
+ // since this shortcircuits, the second call is made only if
// the first fails
- bool const success =
+ bool const success =
LayoutFileList::get().load(argument, buffer_.temppath()) ||
LayoutFileList::get().load(argument, buffer_.filePath());
- if (!success) {
+ if (!success) {
docstring s = bformat(_("The document class `%1$s' "
"could not be loaded."), from_utf8(argument));
frontend::Alert::error(_("Could not load class"), s);
}
break;
}
-
+
case LFUN_PARAGRAPH_GOTO: {
int const id = convert<int>(cmd.getArg(0));
int const pos = convert<int>(cmd.getArg(1));
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);
+ cur.pos() = pos;
+ mouseSetCursor(cur);
dr.screenUpdate(Update::Force | Update::FitCursor);
} else {
// Switch to other buffer view and resend cmd
}
case LFUN_CHANGES_TRACK:
- buffer_.params().trackChanges = !buffer_.params().trackChanges;
+ buffer_.params().track_changes = !buffer_.params().track_changes;
break;
case LFUN_CHANGES_OUTPUT:
- buffer_.params().outputChanges = !buffer_.params().outputChanges;
- if (buffer_.params().outputChanges) {
+ 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");
// FIXME: Move this LFUN to Buffer so that we don't have to do this:
dr.screenUpdate(Update::Force | Update::FitCursor);
break;
-
+
case LFUN_CHANGE_PREVIOUS:
findPreviousChange(this);
// FIXME: Move this LFUN to Buffer so that we don't have to do this:
case LFUN_WORD_FIND_FORWARD:
case LFUN_WORD_FIND_BACKWARD: {
+ // FIXME THREAD
+ // Would it maybe be better if this variable were view specific anyway?
static docstring last_search;
docstring searched_string;
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);
- else
- message(_("String not found!"));
+ 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;
}
case LFUN_SCREEN_SHOW_CURSOR:
showCursor();
break;
-
+
case LFUN_SCREEN_RECENTER:
recenter();
break;
if (inset->delDatabase(cmd.argument())) {
buffer_.invalidateBibfileCache();
dr.forceBufferUpdate();
- }
+ }
}
break;
}
Cursor old = cur;
bool const in_texted = cur.inTexted();
cur.setCursor(doc_iterator_begin(cur.buffer()));
+ if (cur != old)
+ notifyCursorLeavesOrEnters(old, cur);
cur.selHandle(false);
buffer_.changed(true);
updateHoveredInset();
d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
- true, act == LFUN_SCREEN_UP);
+ true, act == LFUN_SCREEN_UP);
//FIXME: what to do with cur.x_target()?
bool update = in_texted && cur.bv().checkDepm(cur, old);
cur.finishUndo();
if (update || cur.mark())
- dr.screenUpdate(Update::Force | Update::FitCursor);
+ dr.screenUpdate(Update::Force | Update::FitCursor);
if (update)
dr.forceBufferUpdate();
break;
}
+ case LFUN_INSET_SELECT_ALL:
+ if (cur.depth() > 1
+ && cur.selBegin().at_begin()
+ && cur.selEnd().at_end()) {
+ // All the contents of the inset if selected.
+ // Select the inset from outside.
+ cur.pop();
+ cur.resetAnchor();
+ cur.setSelection(true);
+ cur.posForward();
+ } else if (cur.selBegin().idx() != cur.selEnd().idx()
+ || (cur.depth() > 1
+ && cur.selBegin().at_cell_begin()
+ && cur.selEnd().at_cell_end())) {
+ // At least one complete cell is selected.
+ // Select all cells
+ cur.idx() = 0;
+ cur.pos() = 0;
+ cur.resetAnchor();
+ cur.setSelection(true);
+ cur.idx() = cur.lastidx();
+ cur.pos() = cur.lastpos();
+ } else {
+ // select current cell
+ cur.pit() = 0;
+ cur.pos() = 0;
+ cur.resetAnchor();
+ cur.setSelection(true);
+ cur.pit() = cur.lastpit();
+ cur.pos() = cur.lastpos();
+ }
+ dr.screenUpdate(Update::Force);
+ break;
+
+
// This would be in Buffer class if only Cursor did not
// require a bufferview
case LFUN_INSET_FORALL: {
cur.forwardInset();
cur.beginUndoGroup();
while(cur && iterations < max_iter) {
- Inset * ins = cur.nextInset();
+ Inset * const ins = cur.nextInset();
if (!ins)
break;
docstring insname = ins->layoutName();
break;
insname = insname.substr(0, i);
}
- cur.forwardInset();
+ // if we did not delete the inset, skip it
+ if (!cur.nextInset() || cur.nextInset() == ins)
+ cur.forwardInset();
}
cur.endUndoGroup();
cur = savecur;
if (decodeInsetParam(name, data, buffer_))
lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
else
- lyxerr << "Inset type '" << name <<
+ lyxerr << "Inset type '" << name <<
"' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
break;
}
arg = token(argument, '|', 0);
opt1 = token(argument, '|', 1);
}
+
+ // if our cursor is directly in front of or behind a citation inset,
+ // we will instead add the new key to it.
+ Inset * inset = cur.nextInset();
+ if (!inset || inset->lyxCode() != CITE_CODE)
+ inset = cur.prevInset();
+ if (inset && inset->lyxCode() == CITE_CODE) {
+ InsetCitation * icite = static_cast<InsetCitation *>(inset);
+ if (icite->addKey(arg)) {
+ dr.forceBufferUpdate();
+ dr.screenUpdate(Update::FitCursor | Update::SinglePar);
+ if (!opt1.empty())
+ LYXERR0("Discarding optional argument to citation-insert.");
+ }
+ dispatched = true;
+ break;
+ }
InsetCommandParams icp(CITE_CODE);
icp["key"] = from_utf8(arg);
if (!opt1.empty())
if (!newL || oldL == newL)
break;
if (oldL->rightToLeft() == newL->rightToLeft()) {
- cur.recordUndoFullDocument();
+ cur.recordUndoFullBuffer();
buffer_.changeLanguage(oldL, newL);
cur.setCurrentFont();
dr.forceBufferUpdate();
break;
}
- // FIXME We do not really want this here, but it has to be at present
- // because we need a cursor for the recordUndoFullDocument call. What
- // we would really like is a recordUndoBufferParams call that did not
- // need a cursor, but we do not have that yet.
- // So, if this does get fixed, this code can be moved back to Buffer.cpp,
- // and the corresponding code in getStatus() should be moved back, too.
- case LFUN_BRANCH_ACTIVATE:
- case LFUN_BRANCH_DEACTIVATE:
- case LFUN_BRANCH_MASTER_ACTIVATE:
- case LFUN_BRANCH_MASTER_DEACTIVATE: {
- bool const master = (cmd.action() == LFUN_BRANCH_MASTER_ACTIVATE
- || cmd.action() == LFUN_BRANCH_MASTER_DEACTIVATE);
- Buffer * buf = master ? const_cast<Buffer *>(buffer().masterBuffer())
- : &buffer();
-
- docstring const branch_name = cmd.argument();
- // the case without a branch name is handled elsewhere
- if (branch_name.empty()) {
- dispatched = false;
- break;
- }
- Branch * branch = buf->params().branchlist().find(branch_name);
- if (!branch) {
- LYXERR0("Branch " << branch_name << " does not exist.");
- dr.setError(true);
- docstring const msg =
- bformat(_("Branch \"%1$s\" does not exist."), branch_name);
- dr.setMessage(msg);
- break;
- }
- bool activate = (cmd.action() == LFUN_BRANCH_ACTIVATE
- || cmd.action() == LFUN_BRANCH_MASTER_ACTIVATE);
- if (branch->isSelected() != activate) {
- branch->setSelected(activate);
- cur.recordUndoFullDocument();
- dr.setError(false);
- dr.screenUpdate(Update::Force);
- dr.forceBufferUpdate();
- }
- break;
- }
-
default:
// OK, so try the Buffer itself...
buffer_.dispatch(cmd, dr);
need_redraw |= d->last_inset_->setMouseHover(this, false);
d->last_inset_ = 0;
}
-
+
if (covering_inset && covering_inset->setMouseHover(this, true)) {
need_redraw = true;
- // Only the insets that accept the hover state, do
+ // Only the insets that accept the hover state, do
// clear the last_inset_, so only set the last_inset_
// member if the hovered setting is accepted.
d->last_inset_ = covering_inset;
if (need_redraw) {
LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
- << d->mouse_position_cache_.x_ << ", "
+ << d->mouse_position_cache_.x_ << ", "
<< d->mouse_position_cache_.y_ << ")");
-
+
d->update_strategy_ = DecorationUpdate;
// This event (moving without mouse click) is not passed further.
{
if (d->last_inset_ != inset) {
LYXERR0("Wrong last_inset!");
- LASSERT(false, /**/);
+ LATTEST(false);
}
d->last_inset_ = 0;
}
if (badcursor)
cursor().fixIfBroken();
}
-
+
// Do we have a selection?
theSelection().haveSelection(cursor().selection());
// 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 const dit = buffer_.getParFromID(tmpid);
+ DocIterator dit = buffer_.getParFromID(tmpid);
if (dit == doc_iterator_end(&buffer_))
posvalid = false;
- else {
+ 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;
TextMetrics & BufferView::textMetrics(Text const * t)
{
- LASSERT(t, /**/);
+ LBUFERR(t);
TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
if (tmc_it == d->text_metrics_.end()) {
tmc_it = d->text_metrics_.insert(
d->cursor_ = cur;
- cur.forceBufferUpdate();
- cur.screenUpdateFlags(Update::Force);
+ // we would rather not do this here, but it needs to be done before
+ // the changed() signal is sent.
+ buffer_.updateBuffer();
+
+ buffer_.changed(true);
return true;
}
bool BufferView::mouseSetCursor(Cursor & cur, bool select)
{
- LASSERT(&cur.bv() == this, /**/);
+ LASSERT(&cur.bv() == this, return false);
if (!select)
// this event will clear selection so we save selection for
d->cursor_.fixIfBroken();
// FIXME: shift-mouse selection doesn't work well across insets.
- bool const do_selection =
+ bool const do_selection =
select && &d->cursor_.normalAnchor().inset() == &cur.inset();
// do the dEPM magic if needed
bool BufferView::selectIfEmpty(DocIterator & cur)
{
- if (!cur.paragraph().empty())
+ if ((cur.inTexted() && !cur.paragraph().empty())
+ || (cur.inMathed() && !cur.cell().empty()))
return false;
pit_type const beg_pit = cur.pit();
// (if this paragraph contains insets etc., rebreaking will
// recursively descend)
tm.redoParagraph(bottom_pit);
- ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
+ ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
if (pm.height() != old_height)
// Paragraph height has changed so we cannot proceed to
// the singlePar optimisation.
// make sure inline completion pointer is ok
if (d->inlineCompletionPos_.fixIfBroken())
d->inlineCompletionPos_ = DocIterator();
-
+
if (d->anchor_pit_ >= npit)
// The anchor pit must have been deleted...
d->anchor_pit_ = npit - 1;
// Rebreak anchor paragraph.
tm.redoParagraph(d->anchor_pit_);
ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
-
+
// position anchor
if (d->anchor_pit_ == 0) {
int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
-
+
// Complete buffer visible? Then it's easy.
if (scrollRange == 0)
d->anchor_ypos_ = anchor_pm.ascent();
-
+
// FIXME: Some clever handling needed to show
// the _first_ paragraph up to the top if the cursor is
// in the first line.
- }
+ }
anchor_pm.setPosition(d->anchor_ypos_);
LYXERR(Debug::PAINTING, "metrics: "
void BufferView::insertLyXFile(FileName const & fname)
{
- LASSERT(d->cursor_.inTexted(), /**/);
+ LASSERT(d->cursor_.inTexted(), return);
// Get absolute path of file and add ".lyx"
// to the filename if necessary
CursorSlice const & sl = dit[i];
int xx = 0;
int yy = 0;
-
+
// get relative position inside sl.inset()
sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
-
+
// Make relative position inside of the edited inset relative to sl.inset()
x += xx;
y += yy;
-
+
// In case of an RTL inset, the edited inset will be positioned to the left
// of xx:yy
if (sl.text()) {
Dimension const dim = sl.inset().dimension(*this);
lastw = dim.wid;
}
-
+
//lyxerr << "Cursor::getPos, i: "
// << i << " x: " << xx << " y: " << y << endl;
}
CursorSlice const & sl = dit[0];
TextMetrics const & tm = textMetrics(sl.text());
ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
- LASSERT(!pm.rows().empty(), /**/);
+
+ LBUFERR(!pm.rows().empty());
y -= pm.rows()[0].ascent();
#if 1
// FIXME: document this mess
for (size_t rit = 0; rit != rend; ++rit)
y += pm.rows()[rit].height();
y += pm.rows()[rend].ascent();
-
+
TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
-
+
// Make relative position from the nested inset now bufferview absolute.
int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
x += xx;
-
- // In the RTL case place the nested inset at the left of the cursor in
+
+ // In the RTL case place the nested inset at the left of the cursor in
// the outer paragraph
bool boundary_1 = dit.boundary() && 1 == dit.depth();
bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
if (rtl)
x -= lastw;
-
+
return Point(x, y);
}
TextMetrics const & tm = textMetrics(bot.text());
// offset from outer paragraph
- Point p = coordOffset(dit);
+ Point p = coordOffset(dit);
p.y_ += tm.parMetrics(bot.pit()).position();
return p;
}
}
+int BufferView::horizScrollOffset() const
+{
+ return d->horiz_scroll_offset_;
+}
+
+
+CursorSlice const & BufferView::currentRowSlice() const
+{
+ return d->current_row_slice_;
+}
+
+
+CursorSlice const & BufferView::lastRowSlice() const
+{
+ return d->last_row_slice_;
+}
+
+
+void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
+{
+ // nothing to do if the cursor was already on this row
+ if (d->current_row_slice_ == rowSlice) {
+ d->last_row_slice_ = CursorSlice();
+ return;
+ }
+
+ // if the (previous) current row was scrolled, we have to
+ // remember it in order to repaint it next time.
+ if (d->horiz_scroll_offset_ != 0)
+ d->last_row_slice_ = d->current_row_slice_;
+ else
+ d->last_row_slice_ = CursorSlice();
+
+ // Since we changed row, the scroll offset is not valid anymore
+ d->horiz_scroll_offset_ = 0;
+ d->current_row_slice_ = rowSlice;
+}
+
+
+void BufferView::checkCursorScrollOffset(PainterInfo & pi)
+{
+ CursorSlice rowSlice = d->cursor_.bottom();
+ TextMetrics const & tm = textMetrics(rowSlice.text());
+
+ // Stop if metrics have not been computed yet, since it means
+ // that there is nothing to do.
+ if (!tm.contains(rowSlice.pit()))
+ return;
+ ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
+ Row const & row = pm.getRow(rowSlice.pos(),
+ d->cursor_.boundary()
+ && rowSlice == d->cursor_.top());
+ rowSlice.pos() = row.pos();
+
+ // Set the row on which the cursor lives.
+ setCurrentRowSlice(rowSlice);
+
+ /** 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. I
+ * am not sure why the extra row computation fixes the problem,
+ * actually.
+ *
+ * A proper fix should be found and this code should be removed.
+ */
+ // 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,
+ -d->horiz_scroll_offset_, 0);
+ rp.paintText();
+ pi.pain.setDrawingEnabled(drawing);
+ /** END of bad code */
+
+ // Current x position of the cursor in pixels
+ int const cur_x = getPos(d->cursor_).x_;
+
+ // Horizontal scroll offset of the cursor row in pixels
+ int offset = d->horiz_scroll_offset_;
+ int const MARGIN = Length(2, Length::EM).inPixels(pi.base);
+ 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;
+ }
+
+ if (offset < row.left_margin || row.width() <= workWidth())
+ offset = 0;
+
+ if (offset != d->horiz_scroll_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;
+ }
+
+ d->horiz_scroll_offset_ = offset;
+}
+
+
void BufferView::draw(frontend::Painter & pain)
{
if (height_ == 0 || width_ == 0)
int const y = tm.first().second->position();
PainterInfo pi(this, pain);
+ // Check whether the row where the cursor lives needs to be scrolled.
+ // Update the drawing strategy if needed.
+ checkCursorScrollOffset(pi);
+
switch (d->update_strategy_) {
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);
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.
// 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;
// and possibly grey out below
pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
int const y2 = lastpm.second->position() + lastpm.second->descent();
-
+
if (y2 < height_) {
- Color color = buffer().isInternal()
+ Color color = buffer().isInternal()
? Color_background : Color_bottomarea;
pain.fillRectangle(0, y2, width_, height_ - y2, color);
}
}
-void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
+void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
docstring const & completion, size_t uniqueChars)
{
uniqueChars = min(completion.size(), uniqueChars);
bool singlePar = true;
d->inlineCompletion_ = completion;
d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
-
+
//lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
-
+
// at new position?
DocIterator const & old = d->inlineCompletionPos_;
if (old != pos) {
}
d->inlineCompletionPos_ = pos;
}
-
+
// set update flags
if (changed) {
if (singlePar && !(cur.result().screenUpdate() & Update::Force))
bool BufferView::clickableInset() const
-{
- return d->clickable_inset_;
+{
+ return d->clickable_inset_;
}
} // namespace lyx
projects / lyx.git / blobdiff