#include "insets/InsetText.h"
#include "mathed/MathData.h"
+#include "mathed/InsetMathNest.h"
#include "frontends/alert.h"
#include "frontends/Application.h"
#include "frontends/Delegates.h"
#include "frontends/FontMetrics.h"
+#include "frontends/NullPainter.h"
#include "frontends/Painter.h"
#include "frontends/Selection.h"
struct BufferView::Private
{
- Private(BufferView & bv) : update_strategy_(NoScreenUpdate),
+ Private(BufferView & bv) :
+ update_strategy_(FullScreenUpdate),
+ update_flags_(Update::Force),
wh_(0), cursor_(bv),
anchor_pit_(0), anchor_ypos_(0),
inlineCompletionUniqueChars_(0),
last_inset_(0), clickable_inset_(false),
mouse_position_cache_(),
bookmark_edit_position_(-1), gui_(0),
- horiz_scroll_offset_(0)
+ horiz_scroll_offset_(0),
+ caret_ascent_(0), caret_descent_(0)
{
xsel_cache_.set = false;
}
///
ScreenUpdateStrategy update_strategy_;
///
+ Update::flags update_flags_;
+ ///
CoordCache coord_cache_;
/// Estimated average par height for scrollbar.
/// a slice pointing to the start of the row where cursor was
/// at previous draw event
CursorSlice last_row_slice_;
+
+ // The vertical size of the blinking caret. Only used for math
+ // Using it for text could be bad when undo restores the cursor
+ // current font, since the caret size could become wrong.
+ int caret_ascent_;
+ int caret_descent_;
};
}
-void BufferView::processUpdateFlags(Update::flags flags)
+namespace {
+
+// this is for debugging only.
+string flagsAsString(Update::flags flags)
{
- // This is close to a hot-path.
- LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags()"
- << "[fitcursor = " << (flags & Update::FitCursor)
- << ", forceupdate = " << (flags & Update::Force)
- << ", singlepar = " << (flags & Update::SinglePar)
- << "] buffer: " << &buffer_);
+ if (flags == Update::None)
+ return "None ";
+ return string((flags & Update::FitCursor) ? "FitCursor " : "")
+ + ((flags & Update::Force) ? "Force " : "")
+ + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
+ + ((flags & Update::SinglePar) ? "SinglePar " : "")
+ + ((flags & Update::Decoration) ? "Decoration " : "");
+}
- // FIXME Does this really need doing here? It's done in updateBuffer, and
- // if the Buffer doesn't need updating, then do the macros?
- buffer_.updateMacros();
+}
- // Now do the first drawing step if needed. This consists on updating
- // the CoordCache in updateMetrics().
- // The second drawing step is done in WorkArea::redraw() if needed.
- // FIXME: is this still true now that Buffer::changed() is used all over?
+void BufferView::processUpdateFlags(Update::flags flags)
+{
+ LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
+ << flagsAsString(flags) << ") buffer: " << &buffer_);
// Case when no explicit update is requested.
- if (!flags) {
- // no need to redraw anything.
- d->update_strategy_ = NoScreenUpdate;
+ if (flags == Update::None)
return;
+
+ /* FIXME We would like to avoid doing this here, since it is very
+ * expensive and is called in updateBuffer already. However, even
+ * inserting a plain character can invalidate the overly fragile
+ * tables of child documents built by updateMacros. Some work is
+ * needed to avoid doing that when not necessary.
+ */
+ buffer_.updateMacros();
+
+ // SinglePar is ignored for now (this should probably change). We
+ // set it ourselves below, at the price of always rebreaking the
+ // paragraph at cursor. This can be expensive for large tables.
+ flags = flags & ~Update::SinglePar;
+
+ // 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);
}
- if (flags == Update::Decoration) {
- d->update_strategy_ = DecorationUpdate;
- buffer_.changed(false);
- return;
+ // Detect whether we can only repaint a single paragraph.
+ // We handle this before FitCursor because the later will require
+ // correct metrics at cursor position.
+ if (!(flags & Update::ForceDraw)) {
+ if (singleParUpdate())
+ flags = flags | Update::SinglePar;
+ else
+ updateMetrics(flags);
}
- if (flags == Update::FitCursor
- || flags == (Update::Decoration | Update::FitCursor)) {
- // tell the frontend to update the screen if needed.
+ // Then make sure that the screen contains the cursor if needed
+ if (flags & Update::FitCursor) {
if (needsFitCursor()) {
- showCursor();
- return;
- }
- if (flags & Update::Decoration) {
- d->update_strategy_ = DecorationUpdate;
- buffer_.changed(false);
- return;
+ scrollToCursor(d->cursor_, false);
+ // Metrics have to be recomputed (maybe again)
+ updateMetrics(flags);
}
- // no screen update is needed in principle, but this
- // could change if cursor row needs horizontal scrolling.
- d->update_strategy_ = NoScreenUpdate;
- buffer_.changed(false);
- return;
+ flags = flags & ~Update::FitCursor;
}
- bool const full_metrics = flags & Update::Force || !singleParUpdate();
-
- if (full_metrics)
- // We have to update the full screen metrics.
- updateMetrics();
+ // Add flags to the the update flags. These will be reset to None
+ // after the redraw is actually done
+ d->update_flags_ = d->update_flags_ | flags;
+ LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
- if (!(flags & Update::FitCursor)) {
- // Nothing to do anymore. Trigger a redraw and return
- buffer_.changed(false);
- return;
- }
+ // Now compute the update strategy
+ // Possibly values in flag are None, Decoration, ForceDraw
+ LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
+ | Update::Decoration | Update::ForceDraw)) == 0);
- // updateMetrics() does not update paragraph position
- // This is done at draw() time. So we need a redraw!
- buffer_.changed(false);
-
- if (needsFitCursor()) {
- // The cursor is off screen so ensure it is visible.
- // refresh it:
- showCursor();
+ if (d->update_flags_ & Update::ForceDraw)
+ d->update_strategy_ = FullScreenUpdate;
+ else if (d->update_flags_ & Update::Decoration)
+ d->update_strategy_ = DecorationUpdate;
+ else if (d->update_flags_ & Update::SinglePar)
+ d->update_strategy_ = SingleParUpdate;
+ else {
+ // no need to redraw anything.
+ d->update_strategy_ = NoScreenUpdate;
}
updateHoveredInset();
+
+ // Trigger a redraw.
+ buffer_.changed(false);
}
// If the offset is less than 2 screen height, prefer to scroll instead.
if (abs(value) <= 2 * height_) {
d->anchor_ypos_ -= value;
- buffer_.changed(true);
- updateHoveredInset();
+ processUpdateFlags(Update::Force);
return;
}
if (!dit.atEnd()) {
dit.pos() = min(dit.paragraph().size(), top_pos);
// Some slices of the iterator may not be
- // reachable (e.g. closed collapsable inset)
+ // reachable (e.g. closed collapsible inset)
// so the dociterator may need to be
// shortened. Otherwise, setCursor may crash
// lyx when the cursor can not be set to these
d->cursor_.setCurrentFont();
// Do not forget to reset the anchor (see #9912)
d->cursor_.resetAnchor();
- // To center the screen on this new position we need the
- // paragraph position which is computed at draw() time.
- // So we need a redraw!
- buffer_.changed(false);
- if (needsFitCursor())
- showCursor();
+ processUpdateFlags(Update::Force | Update::FitCursor);
}
return success;
void BufferView::showCursor(DocIterator const & dit,
bool recenter, bool update)
{
- if (scrollToCursor(dit, recenter) && update) {
- buffer_.changed(true);
- updateHoveredInset();
- }
+ if (scrollToCursor(dit, recenter) && update)
+ processUpdateFlags(Update::Force);
}
void BufferView::scrollToCursor()
{
- if (scrollToCursor(d->cursor_, false)) {
- buffer_.changed(true);
- updateHoveredInset();
- }
+ if (scrollToCursor(d->cursor_, false))
+ processUpdateFlags(Update::Force);
}
flag.setEnabled(true);
break;
+ case LFUN_GRAPHICS_UNIFY:
+ flag.setEnabled(cur.selection());
+ break;
+
case LFUN_WORD_FINDADV: {
FindAndReplaceOptions opt;
istringstream iss(to_utf8(cmd.argument()));
// without calling recordUndo. Fix this before using
// recordUndoBufferParams().
cur.recordUndoFullBuffer();
- buffer_.params().setBaseClass(argument);
+ buffer_.params().setBaseClass(argument, buffer_.layoutPos());
makeDocumentClass();
dr.screenUpdate(Update::Force);
dr.forceBufferUpdate();
case LFUN_LAYOUT_RELOAD: {
LayoutFileIndex bc = buffer_.params().baseClassID();
LayoutFileList::get().reset(bc);
- buffer_.params().setBaseClass(bc);
+ buffer_.params().setBaseClass(bc, buffer_.layoutPos());
makeDocumentClass();
dr.screenUpdate(Update::Force);
dr.forceBufferUpdate();
break;
}
- case LFUN_UNDO:
+ case LFUN_UNDO: {
dr.setMessage(_("Undo"));
cur.clearSelection();
+ // We need to find out if the bibliography information
+ // has changed. See bug #11055.
+ // So these should not be references...
+ LayoutModuleList const engines = buffer().params().citeEngine();
+ CiteEngineType const enginetype = buffer().params().citeEngineType();
if (!cur.textUndo())
dr.setMessage(_("No further undo information"));
- else
+ else {
dr.screenUpdate(Update::Force | Update::FitCursor);
- dr.forceBufferUpdate();
- // we only need to do this if we have deleted or restored a
- // BiBTeX inset. but there is no other place to do it. one
- // obvious idea is to try to do it in a copy constructor for
- // InsetBibTeX, but when that is invoked, the buffer_ member
- // is not yet set. another idea is to look at the InsetLists
- // of the various paragraphs. but we'd have to recurse through
- // the contained insets to make that work. it doesn't seem to
- // be worth it, as this will not happen that often.
- buffer().invalidateBibfileCache();
- buffer().removeBiblioTempFiles();
+ dr.forceBufferUpdate();
+ if (buffer().params().citeEngine() != engines ||
+ buffer().params().citeEngineType() != enginetype)
+ buffer().invalidateCiteLabels();
+ }
break;
+ }
- case LFUN_REDO:
+ case LFUN_REDO: {
dr.setMessage(_("Redo"));
cur.clearSelection();
+ // We need to find out if the bibliography information
+ // has changed. See bug #11055.
+ // So these should not be references...
+ LayoutModuleList const engines = buffer().params().citeEngine();
+ CiteEngineType const enginetype = buffer().params().citeEngineType();
if (!cur.textRedo())
dr.setMessage(_("No further redo information"));
- else
+ else {
dr.screenUpdate(Update::Force | Update::FitCursor);
- dr.forceBufferUpdate();
- // see above
- buffer().invalidateBibfileCache();
- buffer().removeBiblioTempFiles();
+ dr.forceBufferUpdate();
+ if (buffer().params().citeEngine() != engines ||
+ buffer().params().citeEngineType() != enginetype)
+ buffer().invalidateCiteLabels();
+ }
break;
+ }
case LFUN_FONT_STATE:
- dr.setMessage(cur.currentState());
+ dr.setMessage(cur.currentState(false));
break;
case LFUN_BOOKMARK_SAVE:
BIBTEX_CODE);
if (inset) {
if (inset->addDatabase(cmd.argument())) {
- buffer_.invalidateBibfileCache();
dr.forceBufferUpdate();
}
}
InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
BIBTEX_CODE);
if (inset) {
- if (inset->delDatabase(cmd.argument())) {
- buffer_.invalidateBibfileCache();
+ if (inset->delDatabase(cmd.argument()))
dr.forceBufferUpdate();
+ }
+ break;
+ }
+
+ case LFUN_GRAPHICS_UNIFY: {
+
+ cur.recordUndoFullBuffer();
+
+ DocIterator from, to;
+ from = cur.selectionBegin();
+ to = cur.selectionEnd();
+
+ string const newId = cmd.getArg(0);
+ bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
+
+ InsetGraphicsParams grp_par;
+ if (!fetchId)
+ InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
+
+ if (!from.nextInset()) //move to closest inset
+ from.forwardInset();
+
+ while (!from.empty() && from < to) {
+ Inset * inset = from.nextInset();
+ if (!inset)
+ break;
+ if (inset->lyxCode() == GRAPHICS_CODE) {
+ InsetGraphics & ig = static_cast<InsetGraphics &>(*inset);
+ InsetGraphicsParams inspar = ig.getParams();
+ if (fetchId) {
+ grp_par = inspar;
+ fetchId = false;
+ } else {
+ grp_par.filename = inspar.filename;
+ ig.setParams(grp_par);
+ }
}
+ from.forwardInset();
}
+ dr.screenUpdate(Update::Force); //needed if triggered from context menu
break;
}
bool const in_texted = cur.inTexted();
cur.setCursor(doc_iterator_begin(cur.buffer()));
cur.selHandle(false);
- buffer_.changed(true);
- updateHoveredInset();
+ // Force an immediate computation of metrics because we need it below
+ processUpdateFlags(Update::Force);
d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
true, act == LFUN_SCREEN_UP);
if (scroll_value)
scroll(scroll_step * scroll_value);
}
- buffer_.changed(true);
- updateHoveredInset();
+ dr.screenUpdate(Update::ForceDraw);
dr.forceBufferUpdate();
break;
}
}
+ case LFUN_UNICODE_INSERT: {
+ if (cmd.argument().empty())
+ break;
+
+ FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
+ LFUN_MATH_INSERT : LFUN_SELF_INSERT;
+ int i = 0;
+ while (true) {
+ docstring const arg = from_utf8(cmd.getArg(i));
+ if (arg.empty())
+ break;
+ if (!isHex(arg)) {
+ LYXERR0("Not a hexstring: " << arg);
+ ++i;
+ continue;
+ }
+ char_type c = hexToInt(arg);
+ if (c >= 32 && c < 0x10ffff) {
+ LYXERR(Debug::KEY, "Inserting c: " << c);
+ lyx::dispatch(FuncRequest(code, docstring(1, c)));
+ }
+ ++i;
+ }
+ break;
+ }
+
+
// This would be in Buffer class if only Cursor did not
// require a bufferview
case LFUN_INSET_FORALL: {
icp["key"] = from_utf8(arg);
if (!opt1.empty())
icp["before"] = from_utf8(opt1);
+ icp["literal"] =
+ from_ascii(InsetCitation::last_literal ? "true" : "false");
string icstr = InsetCommand::params2string(icp);
FuncRequest fr(LFUN_INSET_INSERT, icstr);
lyx::dispatch(fr);
// the singlePar optimisation.
return false;
- d->update_strategy_ = SingleParUpdate;
+ tm.updatePosCache(bottom_pit);
LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
<< " y2: " << pm.position() + pm.descent()
void BufferView::updateMetrics()
+{
+ updateMetrics(d->update_flags_);
+ d->update_strategy_ = FullScreenUpdate;
+}
+
+
+void BufferView::updateMetrics(Update::flags & update_flags)
{
if (height_ == 0 || width_ == 0)
return;
// Complete buffer visible? Then it's easy.
if (scrollRange == 0)
d->anchor_ypos_ = anchor_pm.ascent();
-
- // FIXME: Some clever handling needed to show
- // the _first_ paragraph up to the top if the cursor is
- // in the first line.
+ else {
+ // avoid empty space above the first row
+ d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
+ }
}
anchor_pm.setPosition(d->anchor_ypos_);
+ tm.updatePosCache(d->anchor_pit_);
LYXERR(Debug::PAINTING, "metrics: "
<< " anchor pit = " << d->anchor_pit_
y1 -= pm.descent();
// Save the paragraph position in the cache.
pm.setPosition(y1);
+ tm.updatePosCache(pit1);
y1 -= pm.ascent();
}
y2 += pm.ascent();
// Save the paragraph position in the cache.
pm.setPosition(y2);
+ tm.updatePosCache(pit2);
y2 += pm.descent();
}
<< " pit1 = " << pit1
<< " pit2 = " << pit2);
- d->update_strategy_ = FullScreenUpdate;
+ // metrics is done, full drawing is necessary now
+ update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
+
+ // Now update the positions of insets in the cache.
+ updatePosCache();
if (lyxerr.debugging(Debug::WORKAREA)) {
LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
}
+void BufferView::updatePosCache()
+{
+ // this is the "nodraw" drawing stage: only set the positions of the
+ // insets in metrics cache.
+ frontend::NullPainter np;
+ draw(np, false);
+}
+
+
void BufferView::insertLyXFile(FileName const & fname)
{
LASSERT(d->cursor_.inTexted(), return);
}
-void BufferView::cursorPosAndHeight(Point & p, int & h) const
+void BufferView::setCaretAscentDescent(int asc, int des)
{
+ d->caret_ascent_ = asc;
+ d->caret_descent_ = des;
+}
+
+
+void BufferView::caretPosAndHeight(Point & p, int & h) const
+{
+ int asc, des;
Cursor const & cur = cursor();
- Font const font = cur.real_current_font;
- frontend::FontMetrics const & fm = theFontMetrics(font);
- int const asc = fm.maxAscent();
- int const des = fm.maxDescent();
+ if (cur.inMathed()) {
+ asc = d->caret_ascent_;
+ des = d->caret_descent_;
+ } else {
+ Font const font = cur.real_current_font;
+ frontend::FontMetrics const & fm = theFontMetrics(font);
+ asc = fm.maxAscent();
+ des = fm.maxDescent();
+ }
h = asc + des;
p = getPos(cur);
p.y_ -= asc;
}
-void BufferView::checkCursorScrollOffset(PainterInfo & pi)
+void BufferView::checkCursorScrollOffset()
{
CursorSlice rowSlice = d->cursor_.bottom();
TextMetrics const & tm = textMetrics(rowSlice.text());
// Set the row on which the cursor lives.
setCurrentRowSlice(rowSlice);
- // If insets referred to by cursor are not all in the cache, the positions
- // need to be recomputed.
- if (!d->cursor_.inCoordCache()) {
- /** FIXME: the code below adds an extraneous computation of
- * inset positions, and can therefore be bad for performance
- * (think for example about a very large tabular inset.
- * Redawing the row where it is means redrawing the whole
- * screen).
- *
- * The bug that this fixes is the following: assume that there
- * is a very large math inset. Upon entering the inset, when
- * pressing `End', the row is not scrolled and the cursor is
- * not visible. The extra row computation makes sure that the
- * inset positions are correctly computed and set in the
- * cache. This would not happen if we did not have two-stage
- * drawing.
- *
- * A proper fix would be to always have proper inset positions
- * at this point.
- */
- // Force the recomputation of inset positions
- bool const drawing = pi.pain.isDrawingEnabled();
- pi.pain.setDrawingEnabled(false);
- // No need to care about vertical position.
- RowPainter rp(pi, buffer().text(), row, -d->horiz_scroll_offset_, 0);
- rp.paintText();
- pi.pain.setDrawingEnabled(drawing);
- }
-
// Current x position of the cursor in pixels
int cur_x = getPos(d->cursor_).x_;
}
-void BufferView::draw(frontend::Painter & pain)
+void BufferView::draw(frontend::Painter & pain, bool paint_caret)
{
if (height_ == 0 || width_ == 0)
return;
- LYXERR(Debug::PAINTING, "\t\t*** START DRAWING ***");
-
+ LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
+ : "\t\t*** START DRAWING ***"));
Text & text = buffer_.text();
TextMetrics const & tm = d->text_metrics_[&text];
int const y = tm.first().second->position();
// Check whether the row where the cursor lives needs to be scrolled.
// Update the drawing strategy if needed.
- checkCursorScrollOffset(pi);
+ checkCursorScrollOffset();
switch (d->update_strategy_) {
case NoScreenUpdate:
- // If no screen painting is actually needed, only some the different
- // coordinates of insets and paragraphs needs to be updated.
+ // no screen painting is actually needed. In nodraw stage
+ // however, the different coordinates of insets and paragraphs
+ // needs to be updated.
LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
- pi.full_repaint = true;
- pi.pain.setDrawingEnabled(false);
- tm.draw(pi, 0, y);
+ pi.full_repaint = false;
+ if (pain.isNull()) {
+ pi.full_repaint = true;
+ tm.draw(pi, 0, y);
+ } else {
+ pi.full_repaint = false;
+ tm.draw(pi, 0, y);
+ }
break;
case SingleParUpdate:
}
break;
}
- LYXERR(Debug::PAINTING, "\n\t\t*** END DRAWING ***");
+ LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
+ : "\t\t *** END DRAWING ***"));
// The scrollbar needs an update.
updateScrollbar();
for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
ParagraphMetrics const & pm = tm.parMetrics(pit);
if (pm.position() + pm.descent() > 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_);
d->anchor_pit_ = pit;
d->anchor_ypos_ = pm.position();
break;
}
}
- LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
- << " anchor ypos = " << d->anchor_ypos_);
+ if (!pain.isNull()) {
+ // reset the update flags, everything has been done
+ d->update_flags_ = Update::None;
+ }
+
+ // If a caret has to be painted, mark its text row as dirty to
+ //make sure that it will be repainted on next redraw.
+ /* FIXME: investigate whether this can be avoided when the cursor did not
+ * move at all
+ */
+ if (paint_caret) {
+ Row const & caret_row = d->cursor_.textRow();
+ caret_row.changed(true);
+ }
}
projects / lyx.git / blobdiff