frontend::CaretGeometry caret_geometry_;
///
bool mouse_selecting_ = false;
+ /// Reference value for statistics (essentially subtract this from the actual value to see relative counts)
+ /// (words/chars/chars no blanks)
+ int stats_ref_value_w_ = 0;
+ int stats_ref_value_c_ = 0;
+ int stats_ref_value_nb_ = 0;
+ bool stats_update_trigger_ = false;
+
};
<< flagsAsString(flags) << ") buffer: " << &buffer_);
// Case when no explicit update is requested.
- if (flags == Update::None)
+ if (flags == Update::None || !ready())
return;
/* FIXME We would like to avoid doing this here, since it is very
// First check whether the metrics and inset positions should be updated
if (flags & Update::Force) {
- // This will update the CoordCache items and replace Force
- // with ForceDraw in flags.
- updateMetrics(flags);
- }
+ // This will compute all metrics and positions.
+ updateMetrics(true);
+ // metrics is done, full drawing is necessary now
+ flags = (flags & ~Update::Force) | Update::ForceDraw;
+ } else if (flags & Update::ForceDraw)
+ // This will compute only the needed metrics and update positions.
+ updateMetrics(false);
// Detect whether we can only repaint a single paragraph (if we
// are not already redrawing all).
if (!(flags & Update::ForceDraw)
&& (flags & Update::SinglePar)
&& !singleParUpdate())
- updateMetrics(flags);
+ updateMetrics(true);
// Then make sure that the screen contains the cursor if needed
if (flags & Update::FitCursor) {
// (which is just the cursor when there is no selection)
scrollToCursor(d->cursor_.selectionBegin(), SCROLL_VISIBLE);
// Metrics have to be recomputed (maybe again)
- updateMetrics();
+ updateMetrics(true);
// 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_, SCROLL_VISIBLE);
// Metrics have to be recomputed (maybe again)
- updateMetrics(flags);
+ updateMetrics(true);
}
}
flags = flags & ~Update::FitCursor;
void BufferView::updateScrollbarParameters()
{
- if (height_ == 0 && width_ == 0)
+ if (!ready())
return;
// We prefer fixed size line scrolling.
<< d->par_height_[pit]);
}
- int top_pos = first.second->position() - first.second->ascent();
- int bottom_pos = last.second->position() + last.second->descent();
+ int top_pos = first.second->top();
+ int bottom_pos = last.second->bottom();
bool first_visible = first.first == 0 && top_pos >= 0;
bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
if (first_visible && last_visible) {
if (pixels == 0)
return;
- // If the offset is less than 2 screen height, prefer to scroll instead.
- if (abs(pixels) <= 2 * height_) {
+ // If part of the existing paragraphs will remain visible, prefer to
+ // scroll
+ TextMetrics const & tm = textMetrics(&buffer_.text());
+ if (tm.first().second->top() - pixels <= height_
+ && tm.last().second->bottom() - pixels >= 0) {
+ LYXERR(Debug::SCROLLING, "small skip");
d->anchor_ypos_ -= pixels;
- processUpdateFlags(Update::Force);
+ processUpdateFlags(Update::ForceDraw);
return;
}
return;
}
+ LYXERR(Debug::SCROLLING, "search paragraph");
// find paragraph at target position
int par_pos = d->scrollbarParameters_.min;
pit_type i = 0;
d->anchor_ypos_ = - offset + row_dim.ascent();
if (how == SCROLL_CENTER)
d->anchor_ypos_ += height_/2 - row_dim.height() / 2;
- else if (!lyxrc.scroll_below_document && d->anchor_pit_ == max_pit)
- d->anchor_ypos_ = height_ - offset - row_dim.descent();
else if (offset > height_)
d->anchor_ypos_ = height_ - offset - defaultRowHeight();
else
flag.setEnabled(cur.selection());
break;
+ case LFUN_STATISTICS_REFERENCE_CLAMP: {
+ // disable optitem reset if clamp not used
+ if (cmd.argument() == "reset" && d->stats_ref_value_c_ == 0) {
+ flag.setEnabled(false);
+ break;
+ }
+ flag.setEnabled(true);
+ break;
+
+ }
+
default:
return false;
}
}
break;
+ case LFUN_STATISTICS_REFERENCE_CLAMP: {
+ d->stats_update_trigger_ = true;
+ if (cmd.argument() == "reset") {
+ d->stats_ref_value_w_ = d->stats_ref_value_c_ = d->stats_ref_value_nb_ = 0;
+ break;
+ }
+
+ DocIterator from, to;
+ from = doc_iterator_begin(&buffer_);
+ to = doc_iterator_end(&buffer_);
+ buffer_.updateStatistics(from, to);
+
+ d->stats_ref_value_w_ = buffer_.wordCount();
+ d->stats_ref_value_c_ = buffer_.charCount(true);
+ d->stats_ref_value_nb_ = buffer_.charCount(false);
+ break;
+ }
+
+
case LFUN_SCREEN_UP:
case LFUN_SCREEN_DOWN: {
Point p = getPos(cur);
void BufferView::resize(int width, int height)
{
- // Update from work area
- width_ = width;
height_ = height;
+ // Update metrics only if width has changed
+ if (width != width_) {
+ width_ = width;
- // Clear the paragraph height cache.
- d->par_height_.clear();
- // Redo the metrics.
- updateMetrics();
+ // Clear the paragraph height cache.
+ d->par_height_.clear();
+ // Redo the metrics.
+ updateMetrics(true);
+ }
+ // metrics is OK, full drawing is necessary now
+ d->update_flags_ = (d->update_flags_ & ~Update::Force) | Update::ForceDraw;
+ d->update_strategy_ = FullScreenUpdate;
}
}
+int BufferView::stats_ref_value_w() const
+{
+ return d->stats_ref_value_w_;
+}
+
+
+int BufferView::stats_ref_value_c() const
+{
+ return d->stats_ref_value_c_;
+}
+
+
+int BufferView::stats_ref_value_nb() const
+{
+ return d->stats_ref_value_nb_;
+}
+
+
void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
{
//lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
+ if (!ready())
+ return;
+
// This is only called for mouse related events including
// LFUN_FILE_OPEN generated by drag-and-drop.
FuncRequest cmd = cmd0;
int const ymax = height_ + pixels;
while (true) {
pair<pit_type, ParagraphMetrics const *> last = tm.last();
- int bottom_pos = last.second->position() + last.second->descent();
+ int bottom_pos = last.second->bottom();
if (lyxrc.scroll_below_document)
bottom_pos += height_ - minVisiblePart();
if (last.first + 1 == int(text->paragraphs().size())) {
int ymin = - pixels;
while (true) {
pair<pit_type, ParagraphMetrics const *> first = tm.first();
- int top_pos = first.second->position() - first.second->ascent();
+ int top_pos = first.second->top();
if (first.first == 0) {
if (top_pos >= 0)
return 0;
tm.updatePosCache(pit);
- LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
- << " y2: " << pm.position() + pm.descent()
- << " pit: " << pit
- << " singlepar: 1");
+ LYXERR(Debug::PAINTING, "\ny1: " << pm.top() << " y2: " << pm.bottom()
+ << " pit: " << pit << " singlepar: 1");
return true;
}
void BufferView::updateMetrics()
{
- updateMetrics(d->update_flags_);
+ updateMetrics(true);
+ // metrics is done, full drawing is necessary now
+ d->update_flags_ = (d->update_flags_ & ~Update::Force) | Update::ForceDraw;
d->update_strategy_ = FullScreenUpdate;
}
-void BufferView::updateMetrics(Update::flags & update_flags)
+void BufferView::updateMetrics(bool force)
{
- if (height_ == 0 || width_ == 0)
+ if (!ready())
return;
+ //LYXERR0("updateMetrics " << _v_(force));
+
Text & buftext = buffer_.text();
- pit_type const npit = int(buftext.paragraphs().size());
+ pit_type const lastpit = int(buftext.paragraphs().size()) - 1;
- // Clear out the position cache in case of full screen redraw,
- d->coord_cache_.clear();
- d->math_rows_.clear();
+ if (force) {
+ // Clear out the position cache in case of full screen redraw,
+ d->coord_cache_.clear();
+ d->math_rows_.clear();
- // Clear out paragraph metrics to avoid having invalid metrics
- // in the cache from paragraphs not relayouted below
- // The complete text metrics will be redone.
- d->text_metrics_.clear();
+ // Clear out paragraph metrics to avoid having invalid metrics
+ // in the cache from paragraphs not relayouted below. The
+ // complete text metrics will be redone.
+ d->text_metrics_.clear();
+ }
TextMetrics & tm = textMetrics(&buftext);
if (d->inlineCompletionPos_.fixIfBroken())
d->inlineCompletionPos_ = DocIterator();
- if (d->anchor_pit_ >= npit)
+ if (d->anchor_pit_ > lastpit)
// The anchor pit must have been deleted...
- d->anchor_pit_ = npit - 1;
+ d->anchor_pit_ = lastpit;
- // Rebreak anchor paragraph.
- tm.redoParagraph(d->anchor_pit_);
- ParagraphMetrics & anchor_pm = tm.parMetrics(d->anchor_pit_);
+ // Update metrics around the anchor
+ tm.updateMetrics(d->anchor_pit_, d->anchor_ypos_, height_);
- // position anchor
- if (d->anchor_pit_ == 0) {
- int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
+ // Check that the end of the document is not too high
+ int const min_visible = lyxrc.scroll_below_document ? minVisiblePart() : height_;
+ if (tm.last().first == lastpit && tm.last().second->bottom() < min_visible) {
+ d->anchor_ypos_ += min_visible - tm.last().second->bottom();
+ LYXERR(Debug::SCROLLING, "Too high, adjusting anchor ypos to " << d->anchor_ypos_);
+ tm.updateMetrics(d->anchor_pit_, d->anchor_ypos_, height_);
+ }
- // Complete buffer visible? Then it's easy.
- if (scrollRange == 0)
- d->anchor_ypos_ = anchor_pm.ascent();
- else {
- // avoid empty space above the first row
- d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
- }
- }
- anchor_pm.setPosition(d->anchor_ypos_);
-
- LYXERR(Debug::PAINTING, "metrics: "
- << " anchor pit = " << d->anchor_pit_
- << " anchor ypos = " << d->anchor_ypos_);
-
- // Redo paragraphs above anchor if necessary.
- int y1 = d->anchor_ypos_ - anchor_pm.ascent();
- // We are now just above the anchor paragraph.
- pit_type pit1 = d->anchor_pit_ - 1;
- for (; pit1 >= 0 && y1 >= 0; --pit1) {
- tm.redoParagraph(pit1);
- ParagraphMetrics & pm = tm.parMetrics(pit1);
- y1 -= pm.descent();
- // Save the paragraph position in the cache.
- pm.setPosition(y1);
- y1 -= pm.ascent();
- }
-
- // Redo paragraphs below the anchor if necessary.
- int y2 = d->anchor_ypos_ + anchor_pm.descent();
- // We are now just below the anchor paragraph.
- pit_type pit2 = d->anchor_pit_ + 1;
- for (; pit2 < npit && y2 <= height_; ++pit2) {
- tm.redoParagraph(pit2);
- ParagraphMetrics & pm = tm.parMetrics(pit2);
- y2 += pm.ascent();
- // Save the paragraph position in the cache.
- pm.setPosition(y2);
- y2 += pm.descent();
- }
-
- LYXERR(Debug::PAINTING, "Metrics: "
- << " anchor pit = " << d->anchor_pit_
- << " anchor ypos = " << d->anchor_ypos_
- << " y1 = " << y1
- << " y2 = " << y2
- << " pit1 = " << pit1
- << " pit2 = " << pit2);
+ // Check that the start of the document is not too low
+ if (tm.first().first == 0 && tm.first().second->top() > 0) {
+ d->anchor_ypos_ -= tm.first().second->top();
+ LYXERR(Debug::SCROLLING, "Too low, adjusting anchor ypos to " << d->anchor_ypos_);
+ tm.updateMetrics(d->anchor_pit_, d->anchor_ypos_, height_);
+ }
- // metrics is done, full drawing is necessary now
- update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
+ /* FIXME: do we want that? It avoids potential issues with old
+ * paragraphs that should have been recomputed but have not, at
+ * the price of potential extra metrics computaiton. I do not
+ * think that the performance gain is high, so that for now the
+ * extra paragraphs are removed
+ */
+ // Remove paragraphs that are outside of screen
+ while(tm.first().second->bottom() <= 0) {
+ //LYXERR0("Forget pit: " << tm.first().first);
+ tm.forget(tm.first().first);
+ }
+ while(tm.last().second->top() > height_) {
+ //LYXERR0("Forget pit: " << tm.first().first);
+ tm.forget(tm.last().first);
+ }
+
+ /* FIXME: if paragraphs outside of the screen are not removed
+ * above, one has to search for the first visible one here */
+ // Normalize anchor for next time
+ if (d->anchor_pit_ != tm.first().first
+ || d->anchor_ypos_ != tm.first().second->position()) {
+ LYXERR(Debug::PAINTING, __func__ << ": Found new anchor pit = " << tm.first().first
+ << " anchor ypos = " << tm.first().second->position()
+ << " (was " << d->anchor_pit_ << ", " << d->anchor_ypos_ << ")");
+ d->anchor_pit_ = tm.first().first;
+ d->anchor_ypos_ = tm.first().second->position();
+ }
// Now update the positions of insets in the cache.
updatePosCache();
void BufferView::draw(frontend::Painter & pain, bool paint_caret)
{
- if (height_ == 0 || width_ == 0)
+ if (!ready())
return;
LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
: "\t\t*** START DRAWING ***"));
// and possibly grey out below
pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
- int const y2 = lastpm.second->position() + lastpm.second->descent();
+ int const y2 = lastpm.second->bottom();
if (y2 < height_) {
Color color = buffer().isInternal()
// FIXME: does it always? see ticket #11947.
updateScrollbarParameters();
- // Normalize anchor for next time
+ // Normalize anchor for next time (in case updateMetrics did not do it yet)
+ // FIXME: is this useful?
pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
ParagraphMetrics const & pm = tm.parMetrics(pit);
- if (pm.position() + pm.descent() > 0) {
+ if (pm.bottom() > 0) {
if (d->anchor_pit_ != pit
|| d->anchor_ypos_ != pm.position())
- LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
- << " anchor ypos = " << d->anchor_ypos_);
+ LYXERR0(__func__ << ": Found new anchor pit = " << pit
+ << " anchor ypos = " << pm.position()
+ << " (was " << d->anchor_pit_ << ", " << d->anchor_ypos_ << ")"
+ "\nIf you see this message, please report.");
d->anchor_pit_ = pit;
d->anchor_ypos_ = pm.position();
break;
}
}
+
if (!pain.isNull()) {
// reset the update flags, everything has been done
d->update_flags_ = Update::None;
return d->clickable_inset_;
}
+
+bool BufferView::stats_update_trigger()
+{
+ if (d->stats_update_trigger_) {
+ d->stats_update_trigger_ = false;
+ return true;
+ }
+ return false;
+}
+
} // namespace lyx
projects / lyx.git / blobdiff