#include "Intl.h"
#include "Language.h"
#include "LayoutFile.h"
-#include "Lexer.h"
#include "LyX.h"
#include "LyXAction.h"
#include "lyxfind.h"
#include "support/gettext.h"
#include "support/lassert.h"
#include "support/Length.h"
+#include "support/Lexer.h"
#include "support/lstrings.h"
#include "support/lyxlib.h"
#include "support/types.h"
Private(BufferView & bv) :
update_strategy_(FullScreenUpdate),
update_flags_(Update::Force),
- cursor_(bv), anchor_pit_(0), anchor_ypos_(0),
+ cursor_(bv), anchor_pit_(0), anchor_ypos_(10000),
wh_(0), inlineCompletionUniqueChars_(0),
last_inset_(nullptr), mouse_position_cache_(),
gui_(nullptr), bookmark_edit_position_(-1),
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
updateMetrics(true);
// metrics is done, full drawing is necessary now
flags = (flags & ~Update::Force) | Update::ForceDraw;
- } else if (flags & Update::ForceDraw)
+ }
+ /* If a single paragraph update has been requested and we are not
+ * already repainting all, check whether this update changes the
+ * paragraph metrics. If it does, then compute all metrics (in
+ * case the paragraph is in an inset)
+ *
+ * We handle this before FitCursor because the later will require
+ * correct metrics at cursor position.
+ */
+ else if ((flags & Update::SinglePar) && !(flags & Update::ForceDraw)) {
+ if (!singleParUpdate())
+ updateMetrics(true);
+ }
+ 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).
- // We handle this before FitCursor because the later will require
- // correct metrics at cursor position.
- if (!(flags & Update::ForceDraw)
- && (flags & Update::SinglePar)
- && !singleParUpdate())
- updateMetrics(true);
-
// Then make sure that the screen contains the cursor if needed
if (flags & Update::FitCursor) {
if (needsFitCursor()) {
// First try to make the selection start visible
// (which is just the cursor when there is no selection)
scrollToCursor(d->cursor_.selectionBegin(), SCROLL_VISIBLE);
- // Metrics have to be recomputed (maybe again)
- updateMetrics(true);
+ // Metrics have to be updated
+ updateMetrics(false);
// 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(true);
+ updateMetrics(false);
}
}
- flags = flags & ~Update::FitCursor;
+ flags = (flags & ~Update::FitCursor) | Update::ForceDraw;
}
// Add flags to the the update flags. These will be reset to None
void BufferView::updateScrollbarParameters()
{
- if (height_ == 0 && width_ == 0)
+ if (!ready())
return;
// We prefer fixed size line scrolling.
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::ForceDraw);
return;
return;
}
+ LYXERR(Debug::SCROLLING, "search paragraph");
// find paragraph at target position
int par_pos = d->scrollbarParameters_.min;
pit_type i = 0;
bool update)
{
if (scrollToCursor(dit, how) && update)
- processUpdateFlags(Update::Force);
+ processUpdateFlags(Update::ForceDraw);
}
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;
- Cursor old = cursor();
- Cursor cur(*this);
- cur.push(buffer_.inset());
- cur.selection(d->cursor_.selection());
-
// Either the inset under the cursor or the
// surrounding Text will handle this event.
return;
}
+ Cursor old = cursor();
+ Cursor cur(*this);
+ cur.push(buffer_.inset());
+ cur.selection(d->cursor_.selection());
+
// Build temporary cursor.
Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
if (inset) {
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;
if (force) {
// Clear out the position cache in case of full screen redraw,
d->text_metrics_.clear();
}
+ // This should not be moved earlier
TextMetrics & tm = textMetrics(&buftext);
// make sure inline completion pointer is ok
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;
- if (!tm.contains(d->anchor_pit_))
- // 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_);
- // make sure than first paragraph of document is not too low
- 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->hasPosition()
+ && 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) {
- if (!tm.contains(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) {
- if (!tm.contains(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();
- }
-
- //FIXME: do we want that?
- // if updating, remove paragraphs that are outside of screen
- while(tm.first().second->bottom() <= 0) {
+ // Check that the start of the document is not too low
+ if (tm.first().first == 0 && tm.first().second->hasPosition()
+ && 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_);
+ }
+
+ /* 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 computation. 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->hasPosition() || tm.first().second->bottom() <= 0) {
//LYXERR0("Forget pit: " << tm.first().first);
tm.forget(tm.first().first);
}
- while(tm.last().second->top() > height_) {
+ while(!tm.last().second->hasPosition() || 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()) {
d->anchor_ypos_ = tm.first().second->position();
}
- LYXERR(Debug::PAINTING, "Metrics: "
- << " anchor pit = " << d->anchor_pit_
- << " anchor ypos = " << d->anchor_ypos_
- << " y1 = " << y1
- << " y2 = " << y2
- << " pit1 = " << pit1
- << " pit2 = " << pit2);
-
// 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 ***"));
// Draw everything.
tm.draw(pi, 0, y);
- // and possibly grey out below
+ break;
+ }
+
+ // Possibly grey out below
+ if (d->update_strategy_ != NoScreenUpdate) {
pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
int const y2 = lastpm.second->bottom();
? Color_background : Color_bottomarea;
pain.fillRectangle(0, y2, width_, height_ - y2, color);
}
- break;
}
+
LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
: "\t\t *** END DRAWING ***"));
updateScrollbarParameters();
// 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) {
if (pm.bottom() > 0) {
if (d->anchor_pit_ != pit
|| d->anchor_ypos_ != pm.position())
- LYXERR(Debug::PAINTING, __func__ << ": Found new anchor pit = " << pit
+ LYXERR0(__func__ << ": Found new anchor pit = " << pit
<< " anchor ypos = " << pm.position()
- << " (was " << d->anchor_pit_ << ", " << d->anchor_ypos_ << ")");
+ << " (was " << d->anchor_pit_ << ", " << d->anchor_ypos_ << ")"
+ "\nIf you see this message, please report.");
d->anchor_pit_ = pit;
d->anchor_ypos_ = pm.position();
break;
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