tmpcur.clearSelection();
bv->setCursor(tmpcur);
- return bv->scrollToCursor(bv->cursor(), false, true);
+ return bv->scrollToCursor(bv->cursor(), SCROLL_TOP);
}
if (needsFitCursor()) {
// First try to make the selection start visible
// (which is just the cursor when there is no selection)
- scrollToCursor(d->cursor_.selectionBegin(), false, false);
+ scrollToCursor(d->cursor_.selectionBegin(), SCROLL_VISIBLE);
// Metrics have to be recomputed (maybe again)
updateMetrics();
// Is the cursor visible? (only useful if cursor is at end of selection)
if (needsFitCursor()) {
// then try to make cursor visible instead
- scrollToCursor(d->cursor_, false, false);
+ scrollToCursor(d->cursor_, SCROLL_VISIBLE);
// Metrics have to be recomputed (maybe again)
updateMetrics(flags);
}
// cut off at the top
if (pixels <= d->scrollbarParameters_.min) {
DocIterator dit = doc_iterator_begin(&buffer_);
- showCursor(dit, false, false, update);
+ showCursor(dit, SCROLL_VISIBLE, update);
LYXERR(Debug::SCROLLING, "scroll to top");
return;
}
if (pixels >= d->scrollbarParameters_.max) {
DocIterator dit = doc_iterator_end(&buffer_);
dit.backwardPos();
- showCursor(dit, false, false, update);
+ showCursor(dit, SCROLL_VISIBLE, update);
LYXERR(Debug::SCROLLING, "scroll to bottom");
return;
}
DocIterator dit = doc_iterator_begin(&buffer_);
dit.pit() = i;
LYXERR(Debug::SCROLLING, "pixels = " << pixels << " -> scroll to pit " << i);
- showCursor(dit, false, false, update);
+ showCursor(dit, SCROLL_VISIBLE, update);
}
void BufferView::recenter()
{
- showCursor(d->cursor_, true, false, true);
+ showCursor(d->cursor_, SCROLL_CENTER, true);
}
void BufferView::showCursor()
{
- showCursor(d->cursor_, false, false, true);
+ showCursor(d->cursor_, SCROLL_VISIBLE, true);
}
-void BufferView::showCursor(DocIterator const & dit,
- bool recenter, bool force, bool update)
+void BufferView::showCursor(DocIterator const & dit, ScrollType how,
+ bool update)
{
- if (scrollToCursor(dit, recenter, force) && update)
+ if (scrollToCursor(dit, how) && update)
processUpdateFlags(Update::Force);
}
-bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter, bool force)
+bool BufferView::scrollToCursor(DocIterator const & dit, ScrollType how)
{
// We are not properly started yet, delay until resizing is done.
if (height_ == 0)
return false;
- if (recenter)
- LYXERR(Debug::SCROLLING, "recentering and scrolling to cursor");
+ if (how == SCROLL_CENTER)
+ LYXERR(Debug::SCROLLING, "Centering cursor in workarea");
+ else if (how == SCROLL_TOP)
+ LYXERR(Debug::SCROLLING, "Setting cursor to top of workarea");
else
- LYXERR(Debug::SCROLLING, "scrolling to cursor");
+ LYXERR(Debug::SCROLLING, "Making sure cursor is visible in workarea");
CursorSlice const & bot = dit.bottom();
TextMetrics & tm = textMetrics(bot.text());
else if (bot_pit == tm.last().first + 1)
tm.newParMetricsDown();
- if (tm.contains(bot_pit) && !force) {
+ if (tm.contains(bot_pit) && how == SCROLL_VISIBLE) {
ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
LBUFERR(!pm.rows().empty());
// FIXME: smooth scrolling doesn't work in mathed.
Dimension const & row_dim =
inner_pm.getRow(cs.pos(), dit.boundary()).dim();
int scrolled = 0;
- if (recenter)
- scrolled = scroll(ypos - height_/2);
// We try to visualize the whole row, if the row height is larger than
// the screen height, we scroll to a heuristic value of height_ / 4.
// FIXME: This heuristic value should be replaced by a recursive search
// for a row in the inset that can be visualized completely.
- else if (row_dim.height() > height_) {
+ if (row_dim.height() > height_) {
if (ypos < defaultRowHeight())
scrolled = scroll(ypos - height_ / 4);
else if (ypos > height_ - defaultRowHeight())
d->inlineCompletionPos_ = DocIterator();
tm.redoParagraph(bot_pit);
- ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
int const offset = coordOffset(dit).y_;
-
+ pit_type const old_pit = d->anchor_pit_;
d->anchor_pit_ = bot_pit;
+
CursorSlice const & cs = dit.innerTextSlice();
ParagraphMetrics const & inner_pm =
textMetrics(cs.text()).parMetrics(cs.pit());
Dimension const & row_dim =
inner_pm.getRow(cs.pos(), dit.boundary()).dim();
- 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();
- else if (offset > height_)
- d->anchor_ypos_ = height_ - offset - row_dim.descent();
- else
- d->anchor_ypos_ = row_dim.ascent();
-
- return true;
+ int const old_ypos = d->anchor_ypos_;
+ d->anchor_ypos_ = - offset + row_dim.ascent();
+ if (how == SCROLL_CENTER)
+ d->anchor_ypos_ += height_/2 - row_dim.height() / 2;
+ return d->anchor_ypos_ != old_ypos || d->anchor_pit_ != old_pit;
}
success = setCursorFromEntries({id, pos},
{id_end, pos_end});
}
- if (success && scrollToCursor(d->cursor_, false, true))
+ if (success && scrollToCursor(d->cursor_, SCROLL_TOP))
dr.screenUpdate(Update::Force);
} else {
// Switch to other buffer view and resend cmd
bool const slant = fm.italic() && cur.inTexted() && !cur.selection();
double const slope = slant ? fm.italicSlope() : 0;
cg.shapes.push_back(
- {{iround(p.x_ + dim.asc * slope), p.y_},
- {iround(p.x_ - dim.des * slope), p.y_ + dim.height()},
+ {{iround(p.x_ + dim.asc * slope), p.y_},
+ {iround(p.x_ - dim.des * slope), p.y_ + dim.height()},
{iround(p.x_ + dir * dim.wid - dim.des * slope), p.y_ + dim.height()},
{iround(p.x_ + dir * dim.wid + dim.asc * slope), p.y_}}
);
int const xx = iround(p.x_ - dim.des * slope);
int const yy = p.y_ + dim.height();
cg.shapes.push_back(
- {{xx, yy - dim.wid},
+ {{xx, yy - dim.wid},
{xx + dir * (dim.wid + lx - 1), yy - dim.wid},
{xx + dir * (dim.wid + lx - 1), yy},
- {xx, yy}}
+ {xx, yy}}
);
}
// starting position x
int const xx = p.x_ + dir * dim.wid + sx;
cg.shapes.push_back(
- {{xx, m - d},
- {xx + dir * d, m},
- {xx, m + d},
- {xx, m + d - dim.wid},
+ {{xx, m - d},
+ {xx + dir * d, m},
+ {xx, m + d},
+ {xx, m + d - dim.wid},
{xx + dir * d - dim.wid, m},
- {xx, m - d + dim.wid}}
+ {xx, m - d + dim.wid}}
);
}
}
+bool BufferView::busy() const
+{
+ return buffer().undo().activeUndoGroup();
+}
+
+
void BufferView::draw(frontend::Painter & pain, bool paint_caret)
{
if (height_ == 0 || width_ == 0)
projects / lyx.git / blobdiff