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::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 - 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;
}
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:
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_;
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;
}
}
+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;