anne/lyx_mirror
1
0
Fork 0
mirror of https://git.lyx.org/repos/lyx.git synced 2025-01-08 18:19:42 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

* BufferView::scrollDocView(): simplify by using showCursor() and add some comments.

Browse Source 
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22708 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2008-01-29 10:17:41 +00:00
parent 81e06f7bc9
commit b78acb0b9d
1 changed files with 15 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
src/BufferView.cpp
View File

@ -509,7 +509,7 @@ void BufferView::scrollDocView(int value)
return;
}
// cut off at the top
// cut off at the bottom
if (value >= d->scrollbarParameters_.max) {
DocIterator dit = doc_iterator_end(buffer_.inset());
dit.backwardPos();
@ -526,31 +526,27 @@ void BufferView::scrollDocView(int value)
return;
}
// find paragraph at target positin
// find paragraph at target position
int par_pos = d->scrollbarParameters_.min;
for (size_t i = 0; i != d->par_height_.size(); ++i) {
pit_type i = 0;
for (; i != d->par_height_.size(); ++i) {
par_pos += d->par_height_[i];
if (par_pos >= value) {
d->anchor_pit_ = pit_type(i);
if (par_pos >= value)
break;
}
}
LYXERR(Debug::SCROLLING, "value = " << value
<< "\tanchor_ref_ = " << d->anchor_pit_
<< "\tpar_pos = " << par_pos);
// cut off at the end of the buffer
if (value > par_pos) {
value = d->scrollbarParameters_.max;
d->anchor_pit_ = d->par_height_.size() - 1;
if (par_pos < value) {
// It seems we didn't find the correct pit so stay on the safe side and
// scroll to bottom.
LYXERR0("scrolling position not found!");
scrollDocView(d->scrollbarParameters_.max);
return;
}
// set pixel offset of screen to anchor pit
d->anchor_ypos_ = par_pos - value;
updateMetrics();
buffer_.changed();
DocIterator dit = doc_iterator_begin(buffer_.inset());
dit.pit() = i;
LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
showCursor(dit);
}