anne/lyx_mirror
1
0
Fork 0
mirror of https://git.lyx.org/repos/lyx.git synced 2024-12-22 05:16:21 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Move some horizontal scrolling code from TextMetrics to BufferView

Browse Source 
It is better to have all the code in the same place, and it will avoid code duplication later.
This commit is contained in:
Jean-Marc Lasgouttes 2016-02-29 16:05:06 +01:00
parent 77ef48d093
commit 96fee0ed7a
3 changed files with 28 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/BufferView.cpp
View File

@ -2914,15 +2914,26 @@ int BufferView::horizScrollOffset() const
}
CursorSlice const & BufferView::currentRowSlice() const
int BufferView::horizScrollOffset(Text const * text,
pit_type pit, pos_type pos) const
{
return d->current_row_slice_;
// Is this a row that is currently scrolled?
if (!d->current_row_slice_.empty()
&& &text->inset() == d->current_row_slice_.inset().asInsetText()
&& pit == d->current_row_slice_.pit()
&& pos == d->current_row_slice_.pos())
return d->horiz_scroll_offset_;
return 0;
}
CursorSlice const & BufferView::lastRowSlice() const
bool BufferView::hadHorizScrollOffset(Text const * text,
pit_type pit, pos_type pos) const
{
return d->last_row_slice_;
return !d->last_row_slice_.empty()
&& &text->inset() == d->last_row_slice_.inset().asInsetText()
&& pit == d->last_row_slice_.pit()
&& pos == d->last_row_slice_.pos();
}

13
src/BufferView.h
View File

@ -125,12 +125,15 @@ public:
// Returns the amount of horizontal scrolling applied to the
// top-level row where the cursor lies
int horizScrollOffset() const;
// Returns the amount of horizontal scrolling applied to the
// row of text starting at (pit, pos)
int horizScrollOffset(Text const * text,
pit_type pit, pos_type pos) const;
// Points to the top-level row where the cursor lies (during draw).
CursorSlice const & currentRowSlice() const;
// Points to the top-level row where the cursor lied at last draw event.
CursorSlice const & lastRowSlice() const;
// Returns true if the row of text starting at (pit, pos) was scrolled
// at the last draw event.
bool hadHorizScrollOffset(Text const * text,
pit_type pit, pos_type pos) const;
/// reset the scrollbar to reflect current view position.
void updateScrollbar();

24
src/TextMetrics.cpp
View File

@ -1113,14 +1113,8 @@ pos_type TextMetrics::getPosNearX(Row const & row, int & x,
int const xo = origin_.x_;
x -= xo;
int offset = 0;
CursorSlice rowSlice(const_cast<InsetText &>(text_->inset()));
rowSlice.pit() = row.pit();
rowSlice.pos() = row.pos();
// Adapt to cursor row scroll offset if applicable.
if (bv_->currentRowSlice() == rowSlice)
offset = bv_->horizScrollOffset();
int const offset = bv_->horizScrollOffset(text_, row.pit(), row.pos());
x += offset;
pos_type pos = row.pos();
@ -1908,26 +1902,18 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type const pit, int const
for (size_t i = 0; i != nrows; ++i) {
Row const & row = pm.rows()[i];
int row_x = x;
// Adapt to cursor row scroll offset if applicable.
int row_x = x - bv_->horizScrollOffset(text_, pit, row.pos());
if (i)
y += row.ascent();
CursorSlice rowSlice(const_cast<InsetText &>(text_->inset()));
rowSlice.pit() = pit;
rowSlice.pos() = row.pos();
RowPainter rp(pi, *text_, pit, row, row_x, y);
bool const inside = (y + row.descent() >= 0
&& y - row.ascent() < ww);
// Adapt to cursor row scroll offset if applicable.
if (bv_->currentRowSlice() == rowSlice)
row_x -= bv_->horizScrollOffset();
// It is not needed to draw on screen if we are not inside.
pi.pain.setDrawingEnabled(inside && original_drawing_state);
RowPainter rp(pi, *text_, pit, row, row_x, y);
if (selection)
row.setSelectionAndMargins(sel_beg_par, sel_end_par);
else
@ -1946,7 +1932,7 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type const pit, int const
if (pi.pain.isDrawingEnabled())
row.setCrc(pm.computeRowSignature(row, bparams));
bool row_has_changed = row.changed()
|| rowSlice == bv_->lastRowSlice();
|| bv_->hadHorizScrollOffset(text_, pit, row.pos());
// Take this opportunity to spellcheck the row contents.
if (row_has_changed && pi.do_spellcheck && lyxrc.spellcheck_continuously) {