Private(BufferView & bv): wh_(0), cursor_(bv),
anchor_pit_(0), anchor_ypos_(0),
inlineCompletionUniqueChars_(0),
- last_inset_(0), gui_(0)
+ last_inset_(0), bookmark_edit_position_(0), gui_(0)
{}
///
*/
Inset * last_inset_;
+ // cache for id of the paragraph which was edited the last time
+ int bookmark_edit_position_;
+
mutable TextMetricsCache text_metrics_;
/// Whom to notify.
d->scrollbarParameters_.position = 0;
// The reference is the top position so we remove one page.
- d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
+ if (lyxrc.scroll_below_document)
+ d->scrollbarParameters_.max -= minVisiblePart();
+ else
+ d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
}
}
+void BufferView::bookmarkEditPosition()
+{
+ // Don't eat cpu time for each keystroke
+ if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
+ return;
+ saveBookmark(0);
+ d->bookmark_edit_position_ = d->cursor_.paragraph().id();
+}
+
+
void BufferView::saveBookmark(unsigned int idx)
{
- // tenatively save bookmark, id and pos will be used to
+ // tentatively save bookmark, id and pos will be used to
// acturately locate a bookmark in a 'live' lyx session.
// pit and pos will be updated with bottom level pit/pos
// when lyx exits.
}
+void BufferView::recenter()
+{
+ showCursor(d->cursor_, true);
+}
+
+
void BufferView::showCursor()
{
- showCursor(d->cursor_);
+ showCursor(d->cursor_, false);
+}
+
+
+void BufferView::showCursor(DocIterator const & dit, bool recenter)
+{
+ if (scrollToCursor(dit, recenter))
+ buffer_.changed();
+}
+
+
+void BufferView::scrollToCursor()
+{
+ scrollToCursor(d->cursor_, false);
}
-void BufferView::showCursor(DocIterator const & dit)
+bool BufferView::scrollToCursor(DocIterator const & dit, bool recenter)
{
// We are not properly started yet, delay until resizing is
// done.
if (height_ == 0)
- return;
+ return false;
LYXERR(Debug::SCROLLING, "recentering!");
Dimension const & row_dim =
pm.getRow(cs.pos(), dit.boundary()).dimension();
int scrolled = 0;
- if (ypos - row_dim.ascent() < 0)
+ if (recenter)
+ scrolled = scroll(ypos - height_/2);
+ else if (ypos - row_dim.ascent() < 0)
scrolled = scrollUp(- ypos + row_dim.ascent());
else if (ypos + row_dim.descent() > height_)
- scrolled = scrollDown(ypos - defaultRowHeight());
+ scrolled = scrollDown(ypos - height_ + defaultRowHeight() );
// else, nothing to do, the cursor is already visible so we just return.
if (scrolled != 0) {
updateMetrics();
- buffer_.changed();
+ return true;
}
- return;
+ return false;
}
// fix inline completion position
Dimension const & row_dim =
pm.getRow(cs.pos(), dit.boundary()).dimension();
- if (d->anchor_pit_ == 0)
+ if (recenter)
+ d->anchor_ypos_ = height_/2;
+ else if (d->anchor_pit_ == 0)
d->anchor_ypos_ = offset + pm.ascent();
else if (d->anchor_pit_ == max_pit)
d->anchor_ypos_ = height_ - offset - row_dim.descent();
d->anchor_ypos_ = defaultRowHeight() * 2;
updateMetrics();
- buffer_.changed();
+ return true;
}
-FuncStatus BufferView::getStatus(FuncRequest const & cmd)
+bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
{
- FuncStatus flag;
-
Cursor & cur = d->cursor_;
switch (cmd.action) {
// FIXME: Actually, these LFUNS should be moved to Text
flag.setEnabled(cur.inTexted());
break;
+
case LFUN_FONT_STATE:
case LFUN_LABEL_INSERT:
case LFUN_INFO_INSERT:
case LFUN_MARK_ON:
case LFUN_MARK_TOGGLE:
case LFUN_SCREEN_RECENTER:
+ case LFUN_SCREEN_SHOW_CURSOR:
case LFUN_BIBTEX_DATABASE_ADD:
case LFUN_BIBTEX_DATABASE_DEL:
case LFUN_NOTES_MUTATE:
break;
}
- case LFUN_NEXT_INSET_TOGGLE:
case LFUN_NEXT_INSET_MODIFY: {
// this is the real function we want to invoke
FuncRequest tmpcmd = cmd;
- tmpcmd.action = (cmd.action == LFUN_NEXT_INSET_TOGGLE)
- ? LFUN_INSET_TOGGLE : LFUN_INSET_MODIFY;
+ tmpcmd.action = LFUN_INSET_MODIFY;
// if there is an inset at cursor, see whether it
// handles the lfun, other start from scratch
Inset * inset = cur.nextInset();
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
flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
break;
- case LFUN_INSET_SETTINGS: {
- InsetCode code = cur.inset().lyxCode();
- if (cmd.getArg(0) == insetName(code)) {
- flag.setEnabled(true);
- break;
- }
- bool enable = false;
- InsetCode next_code = cur.nextInset()
- ? cur.nextInset()->lyxCode() : NO_CODE;
- //FIXME: remove these special cases:
- switch (next_code) {
- case TABULAR_CODE:
- case ERT_CODE:
- case FLOAT_CODE:
- case WRAP_CODE:
- case NOTE_CODE:
- case BRANCH_CODE:
- case PHANTOM_CODE:
- case BOX_CODE:
- case LISTINGS_CODE:
- enable = (cmd.argument().empty() ||
- cmd.getArg(0) == insetName(next_code));
- break;
- default:
- break;
- }
- flag.setEnabled(enable);
- break;
- }
-
case LFUN_DIALOG_SHOW_NEW_INSET:
+ if (cur.inset().lyxCode() == CAPTION_CODE)
+ return cur.inset().getStatus(cur, cmd, flag);
flag.setEnabled(cur.inset().lyxCode() != ERT_CODE &&
cur.inset().lyxCode() != LISTINGS_CODE);
- if (cur.inset().lyxCode() == CAPTION_CODE) {
- FuncStatus flag;
- if (cur.inset().getStatus(cur, cmd, flag))
- return flag;
- }
- break;
-
- case LFUN_BRANCH_ACTIVATE:
- case LFUN_BRANCH_DEACTIVATE: {
- bool enable = false;
- docstring const branchName = cmd.argument();
- if (!branchName.empty())
- enable = buffer_.params().branchlist().find(branchName);
- flag.setEnabled(enable);
break;
- }
default:
flag.setEnabled(false);
+ return false;
}
- return flag;
+ return true;
}
docstring label = cmd.argument();
if (label.empty()) {
InsetRef * inset =
- getInsetByCode<InsetRef>(d->cursor_, REF_CODE);
+ getInsetByCode<InsetRef>(cur, REF_CODE);
if (inset) {
label = inset->getParam("reference");
// persistent=false: use temp_bookmark
// FIXME: Move this LFUN to Buffer so that we don't have to do this:
processUpdateFlags(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:
+ processUpdateFlags(Update::Force | Update::FitCursor);
+ break;
case LFUN_CHANGES_MERGE:
- if (findNextChange(this)) {
+ if (findNextChange(this) || findPreviousChange(this)) {
processUpdateFlags(Update::Force | Update::FitCursor);
showDialog("changes");
}
case LFUN_ALL_CHANGES_ACCEPT:
// select complete document
- d->cursor_.reset(buffer_.inset());
- d->cursor_.selHandle(true);
- buffer_.text().cursorBottom(d->cursor_);
+ cur.reset(buffer_.inset());
+ cur.selHandle(true);
+ buffer_.text().cursorBottom(cur);
// accept everything in a single step to support atomic undo
- buffer_.text().acceptOrRejectChanges(d->cursor_, Text::ACCEPT);
+ buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
// FIXME: Move this LFUN to Buffer so that we don't have to do this:
processUpdateFlags(Update::Force | Update::FitCursor);
break;
case LFUN_ALL_CHANGES_REJECT:
// select complete document
- d->cursor_.reset(buffer_.inset());
- d->cursor_.selHandle(true);
- buffer_.text().cursorBottom(d->cursor_);
+ cur.reset(buffer_.inset());
+ cur.selHandle(true);
+ buffer_.text().cursorBottom(cur);
// 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(d->cursor_, Text::REJECT);
+ buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
// FIXME: Move this LFUN to Buffer so that we don't have to do this:
processUpdateFlags(Update::Force | Update::FitCursor);
break;
case LFUN_MARK_OFF:
cur.clearSelection();
- cur.resetAnchor();
cur.message(from_utf8(N_("Mark off")));
break;
case LFUN_MARK_ON:
cur.clearSelection();
cur.setMark(true);
- cur.resetAnchor();
cur.message(from_utf8(N_("Mark on")));
break;
case LFUN_MARK_TOGGLE:
- cur.clearSelection();
+ cur.setSelection(false);
if (cur.mark()) {
cur.setMark(false);
cur.message(from_utf8(N_("Mark removed")));
cur.resetAnchor();
break;
- case LFUN_SCREEN_RECENTER:
+ case LFUN_SCREEN_SHOW_CURSOR:
showCursor();
break;
+
+ case LFUN_SCREEN_RECENTER:
+ recenter();
+ break;
case LFUN_BIBTEX_DATABASE_ADD: {
- Cursor tmpcur = d->cursor_;
+ Cursor tmpcur = cur;
findInset(tmpcur, BIBTEX_CODE, false);
InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
BIBTEX_CODE);
}
case LFUN_BIBTEX_DATABASE_DEL: {
- Cursor tmpcur = d->cursor_;
+ Cursor tmpcur = cur;
findInset(tmpcur, BIBTEX_CODE, false);
InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
BIBTEX_CODE);
processUpdateFlags(Update::SinglePar | Update::FitCursor);
break;
}
- case LFUN_NEXT_INSET_TOGGLE: {
- // create the the real function we want to invoke
- FuncRequest tmpcmd = cmd;
- tmpcmd.action = LFUN_INSET_TOGGLE;
- // if there is an inset at cursor, see whether it
- // wants to toggle.
- Inset * inset = cur.nextInset();
- if (inset) {
- if (inset->isActive()) {
- Cursor tmpcur = cur;
- tmpcur.pushBackward(*inset);
- inset->dispatch(tmpcur, tmpcmd);
- if (tmpcur.result().dispatched())
- cur.dispatched();
- } else
- inset->dispatch(cur, tmpcmd);
- }
- // if it did not work, try the underlying inset.
- if (!inset || !cur.result().dispatched())
- cur.dispatch(tmpcmd);
-
- if (!cur.result().dispatched())
- // It did not work too; no action needed.
- break;
- cur.clearSelection();
- processUpdateFlags(Update::SinglePar | Update::FitCursor);
- break;
- }
-
case LFUN_NEXT_INSET_MODIFY: {
// create the the real function we want to invoke
FuncRequest tmpcmd = cmd;
p = Point(0, 0);
if (cmd.action == LFUN_SCREEN_DOWN && scrolled < height_)
p = Point(width_, height_);
+ Cursor old = cur;
+ bool const in_texted = cur.inTexted();
cur.reset(buffer_.inset());
updateMetrics();
buffer_.changed();
d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_);
//FIXME: what to do with cur.x_target()?
+ bool update = in_texted && cur.bv().checkDepm(cur, old);
cur.finishUndo();
+ if (update)
+ processUpdateFlags(Update::Force | Update::FitCursor);
break;
}
break;
}
- case LFUN_BRANCH_ACTIVATE:
- case LFUN_BRANCH_DEACTIVATE:
- buffer_.dispatch(cmd);
- processUpdateFlags(Update::Force);
- break;
-
// This could be rewriten using some command like forall <insetname> <command>
// once the insets refactoring is done.
case LFUN_NOTES_MUTATE: {
}
+int BufferView::minVisiblePart()
+{
+ return 2 * defaultRowHeight();
+}
+
+
int BufferView::scroll(int y)
{
if (y > 0)
{
Text * text = &buffer_.text();
TextMetrics & tm = d->text_metrics_[text];
- int ymax = height_ + offset;
+ int const ymax = height_ + offset;
while (true) {
pair<pit_type, ParagraphMetrics const *> last = tm.last();
int bottom_pos = last.second->position() + last.second->descent();
+ if (lyxrc.scroll_below_document)
+ bottom_pos += height_ - minVisiblePart();
if (last.first + 1 == int(text->paragraphs().size())) {
if (bottom_pos <= height_)
return 0;
}
+void BufferView::cursorPosAndHeight(Point & p, int & h) const
+{
+ Cursor const & cur = cursor();
+ Font const font = cur.getFont();
+ frontend::FontMetrics const & fm = theFontMetrics(font);
+ int const asc = fm.maxAscent();
+ int const des = fm.maxDescent();
+ h = asc + des;
+ p = getPos(cur, cur.boundary());
+ p.y_ -= asc;
+}
+
+
+bool BufferView::cursorInView(Point const & p, int h) const
+{
+ Cursor const & cur = cursor();
+ // does the cursor touch the screen ?
+ if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
+ return false;
+ return true;
+}
+
+
void BufferView::draw(frontend::Painter & pain)
{
if (height_ == 0 || width_ == 0)
return true;
if (a.empty() || b.empty())
return false;
+ if (a.depth() != b.depth())
+ return false;
return &a.innerParagraph() == &b.innerParagraph();
}