#include "buffer_funcs.h"
#include "bufferlist.h"
#include "bufferparams.h"
+#include "bufferview_funcs.h"
#include "coordcache.h"
#include "CutAndPaste.h"
#include "debug.h"
using support::isDirWriteable;
using support::isFileReadable;
using support::makeDisplayPath;
-using support::makeAbsPath;
using support::package;
using std::distance;
: width_(0), height_(0), buffer_(0), wh_(0),
cursor_(*this),
multiparsel_cache_(false), anchor_ref_(0), offset_ref_(0),
- intl_(new Intl)
+ intl_(new Intl), last_inset_(0)
{
xsel_cache_.set = false;
intl_->initKeyMapper(lyxrc.use_kbmap);
<< "Buffer addr: " << buffer_ << endl;
cursor_.push(buffer_->inset());
cursor_.resetAnchor();
- buffer_->text().init(this);
+ updateLabels(*buffer_);
buffer_->text().setCurrentFont(cursor_);
if (buffer_->getCursor().size() > 0 &&
buffer_->getAnchor().size() > 0)
lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
- buffer_->text().init(this);
- update();
+ updateMetrics(false);
switchKeyMap();
}
}
-std::pair<bool, bool> BufferView::update(Update::flags flags)
+bool BufferView::update(Update::flags flags)
{
+ // last_inset_ points to the last visited inset. This pointer may become
+ // invalid because of keyboard editing. Since all such operations
+ // causes screen update(), I reset last_inset_ to avoid such a problem.
+ last_inset_ = 0;
// This is close to a hot-path.
if (lyxerr.debugging(Debug::DEBUG)) {
lyxerr[Debug::DEBUG]
// Check needed to survive LyX startup
if (!buffer_)
- return make_pair(false, false);
+ return false;
if (lyxerr.debugging(Debug::WORKAREA)) {
lyxerr[Debug::WORKAREA] << "BufferView::update" << std::endl;
// Case when no explicit update is requested.
if (!flags) {
- // no need to do anything.
- return make_pair(false, false);
+ // no need to redraw anything.
+ return false;
}
if (flags == Update::FitCursor) {
bool const fit_cursor = fitCursor();
if (fit_cursor)
updateMetrics(false);
- // tell the frontend to update the screen.
- return make_pair(fit_cursor, false);
+ // tell the frontend to update the screen if needed.
+ return fit_cursor;
}
bool full_metrics = flags & Update::Force;
updateMetrics(false);
// tell the frontend to update the screen.
- return make_pair(true, single_par);
+ return true;
}
}
LyXText & t = buffer_->text();
+ TextMetrics & tm = text_metrics_[&t];
+
int const parsize = int(t.paragraphs().size() - 1);
if (anchor_ref_ > parsize) {
anchor_ref_ = parsize;
// estimated average paragraph height:
if (wh_ == 0)
wh_ = height_ / 4;
- int h = t.getPar(anchor_ref_).height();
+
+ int h = tm.parMetrics(anchor_ref_).height();
// Normalize anchor/offset (MV):
while (offset_ref_ > h && anchor_ref_ < parsize) {
anchor_ref_++;
offset_ref_ -= h;
- h = t.getPar(anchor_ref_).height();
+ h = tm.parMetrics(anchor_ref_).height();
}
// Look at paragraph heights on-screen
int sumh = 0;
for (pit_type pit = anchor_ref_; pit <= parsize; ++pit) {
if (sumh > height_)
break;
- int const h2 = t.getPar(pit).height();
+ int const h2 = tm.parMetrics(pit).height();
sumh += h2;
nh++;
}
return;
LyXText & t = buffer_->text();
+ TextMetrics & tm = text_metrics_[&t];
float const bar = value / float(wh_ * t.paragraphs().size());
anchor_ref_ = int(bar * t.paragraphs().size());
if (anchor_ref_ > int(t.paragraphs().size()) - 1)
anchor_ref_ = int(t.paragraphs().size()) - 1;
- t.redoParagraph(*this, anchor_ref_);
- int const h = t.getPar(anchor_ref_).height();
+
+ tm.redoParagraph(anchor_ref_);
+ int const h = tm.parMetrics(anchor_ref_).height();
offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
updateMetrics(false);
}
void BufferView::center()
{
CursorSlice & bot = cursor_.bottom();
+ TextMetrics & tm = text_metrics_[bot.text()];
pit_type const pit = bot.pit();
- bot.text()->redoParagraph(*this, pit);
- Paragraph const & par = bot.text()->paragraphs()[pit];
+ tm.redoParagraph(pit);
+ ParagraphMetrics const & pm = tm.parMetrics(pit);
anchor_ref_ = pit;
offset_ref_ = bv_funcs::coordOffset(*this, cursor_, cursor_.boundary()).y_
- + par.ascent() - height_ / 2;
+ + pm.ascent() - height_ / 2;
}
break;
case LFUN_FONT_STATE:
- cur.message(from_utf8(cur.currentState()));
+ cur.message(cur.currentState());
break;
case LFUN_BOOKMARK_SAVE:
if (buffer_) {
cursor_.clearSelection();
xsel_cache_.set = false;
+ // The buffer did not really change, but this causes the
+ // redraw we need because we cleared the selection above.
+ buffer_->changed();
}
}
void BufferView::workAreaResize(int width, int height)
{
- bool const widthChange = width != width_;
- bool const heightChange = height != height_;
-
// Update from work area
width_ = width;
height_ = height;
+ // The complete text metrics will be redone.
+ text_metrics_.clear();
+
if (buffer_)
resize();
-
- update();
}
-std::pair<bool, bool> BufferView::workAreaDispatch(FuncRequest const & cmd0)
+bool BufferView::workAreaDispatch(FuncRequest const & cmd0)
{
//lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
// E.g. Qt mouse press when no buffer
if (!buffer_)
- return make_pair(false, false);
+ return false;
LCursor cur(*this);
cur.push(buffer_->inset());
//lyxerr << BOOST_CURRENT_FUNCTION
// << " * created temp cursor:" << cur << endl;
- // NOTE: eidtXY returns the top level inset of nested insets. If you happen
+ // NOTE: editXY returns the top level inset of nested insets. If you happen
// to move from a text (inset=0) to a text inside an inset (e.g. an opened
// footnote inset, again inset=0), that inset will not be redrawn.
- static InsetBase * last_inset = NULL;
if (cmd.action == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
- bool need_update = false;
+ bool need_redraw = false;
- if (inset != last_inset) {
- if (last_inset)
- need_update |= last_inset->setMouseHover(false);
+ if (inset != last_inset_) {
+ if (last_inset_)
+ need_redraw |= last_inset_->setMouseHover(false);
if (inset)
- need_update |= inset->setMouseHover(true);
- last_inset = inset;
+ need_redraw |= inset->setMouseHover(true);
+ last_inset_ = inset;
}
- // if in singlepar mode, update to get a full screen repaint.
- // otherwise, buttons outside of the current paragraph will not be redrawn.
- if (need_update && metrics_info_.singlepar)
- update();
+
+ // if last metrics update was in singlepar mode, WorkArea::redraw() will
+ // not expose the button for redraw. We adjust here the metrics dimension
+ // to enable a full redraw.
+ // FIXME: It is possible to redraw only the area around the button!
+ if (need_redraw && metrics_info_.singlepar) {
+ // FIXME: It should be possible to redraw only the area around
+ // the button by doing this:
+ //
+ //metrics_info_.singlepar = false;
+ //metrics_info_.y1 = ymin of button;
+ //metrics_info_.y2 = ymax of button;
+ //
+ // Unfortunately, rowpainter.C:paintText() does not distinguish
+ // between background updates and text updates. So we use the hammer
+ // solution for now. We could also avoid the updateMetrics() below
+ // by using the first and last pit of the CoordCache. Have a look
+ // at LyXText::getPitNearY() to see what I mean.
+ //
+ //metrics_info_.pit1 = first pit of CoordCache;
+ //metrics_info_.pit2 = last pit of CoordCache;
+ //metrics_info_.singlepar = false;
+ //metrics_info_.y1 = 0;
+ //metrics_info_.y2 = height_;
+ //
+ updateMetrics(false);
+ }
+
// This event (moving without mouse click) is not passed further.
// This should be changed if it is further utilized.
- return make_pair(need_update, need_update);
+ return need_redraw;
}
// Put anchor at the same position.
if (cur.result().dispatched() && cur.result().update())
return update(cur.result().update());
- // When the above and the inner function are fixed, we can do this:
- return make_pair(false, false);
+ return false;
}
//
// scrollDocView(new_top_y);
//
-// // Update the scrollbar.
-// workArea_->setScrollbarParams(t->height(), top_y(), defaultRowHeight());}
}
}
+TextMetrics const & BufferView::textMetrics(LyXText const * t) const
+{
+ return const_cast<BufferView *>(this)->textMetrics(t);
+}
+
+
+TextMetrics & BufferView::textMetrics(LyXText const * t)
+{
+ TextMetricsCache::iterator tmc_it = text_metrics_.find(t);
+ if (tmc_it == text_metrics_.end()) {
+ tmc_it = text_metrics_.insert(
+ make_pair(t, TextMetrics(this, const_cast<LyXText *>(t)))).first;
+ }
+ return tmc_it->second;
+}
+
+
+ParagraphMetrics const & BufferView::parMetrics(LyXText const * t,
+ pit_type pit) const
+{
+ return textMetrics(t).parMetrics(pit);
+}
+
+
int BufferView::workHeight() const
{
return height_;
}
-void BufferView::mouseSetCursor(LCursor & cur)
+bool BufferView::checkDepm(LCursor & cur, LCursor & old)
+{
+ // Would be wrong to delete anything if we have a selection.
+ if (cur.selection())
+ return false;
+
+ bool need_anchor_change = false;
+ bool changed = cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
+ need_anchor_change);
+
+ if (need_anchor_change)
+ cur.resetAnchor();
+
+ if (!changed)
+ return false;
+
+ updateMetrics(false);
+ buffer_->changed();
+ return true;
+}
+
+
+bool BufferView::mouseSetCursor(LCursor & cur)
{
BOOST_ASSERT(&cur.bv() == this);
// do the dEPM magic if needed
// FIXME: move this to InsetText::notifyCursorLeaves?
+ bool update = false;
if (!badcursor && cursor_.inTexted())
- cursor_.text()->deleteEmptyParagraphMechanism(cur, cursor_);
+ checkDepm(cur, cursor_);
cursor_ = cur;
cursor_.clearSelection();
cursor_.setTargetX();
finishUndo();
-
+ return update;
}
}
+// FIXME: We should split-up updateMetrics() for the singlepar case.
void BufferView::updateMetrics(bool singlepar)
{
- // Clear out the position cache in case of full screen redraw.
- if (!singlepar)
- coord_cache_.clear();
-
LyXText & buftext = buffer_->text();
+ TextMetrics & tm = textMetrics(&buftext);
pit_type size = int(buftext.paragraphs().size());
if (anchor_ref_ > int(buftext.paragraphs().size() - 1)) {
anchor_ref_ = int(buftext.paragraphs().size() - 1);
offset_ref_ = 0;
}
+
+ // If the paragraph metrics has changed, we can not
+ // use the singlepar optimisation.
+ if (singlepar
+ // In Single Paragraph mode, rebreak only
+ // the (main text, not inset!) paragraph containing the cursor.
+ // (if this paragraph contains insets etc., rebreaking will
+ // recursively descend)
+ && tm.redoParagraph(cursor_.bottom().pit()))
+ singlepar = false;
pit_type const pit = anchor_ref_;
int pit1 = pit;
int pit2 = pit;
size_t const npit = buftext.paragraphs().size();
- // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
- // the (main text, not inset!) paragraph containing the cursor.
- // (if this paragraph contains insets etc., rebreaking will
- // recursively descend)
- if (!singlepar || pit == cursor_.bottom().pit())
- buftext.redoParagraph(*this, pit);
- int y0 = buftext.getPar(pit).ascent() - offset_ref_;
+ // Rebreak anchor paragraph.
+ if (!singlepar)
+ tm.redoParagraph(pit);
+
+ // Clear out the position cache in case of full screen redraw.
+ if (!singlepar)
+ coord_cache_.clear();
+
+ int y0 = tm.parMetrics(pit).ascent() - offset_ref_;
- // Redo paragraphs above anchor if necessary; again, in Single Par
- // mode, only if we encounter the (main text) one having the cursor.
+ // Redo paragraphs above anchor if necessary.
int y1 = y0;
while (y1 > 0 && pit1 > 0) {
- y1 -= buftext.getPar(pit1).ascent();
+ y1 -= tm.parMetrics(pit1).ascent();
--pit1;
- if (!singlepar || pit1 == cursor_.bottom().pit())
- buftext.redoParagraph(*this, pit1);
- y1 -= buftext.getPar(pit1).descent();
+ if (!singlepar)
+ tm.redoParagraph(pit1);
+ y1 -= tm.parMetrics(pit1).descent();
}
// Take care of ascent of first line
- y1 -= buftext.getPar(pit1).ascent();
+ y1 -= tm.parMetrics(pit1).ascent();
// Normalize anchor for next time
anchor_ref_ = pit1;
anchor_ref_ = 0;
}
- // Redo paragraphs below the anchor if necessary. Single par mode:
- // only the one containing the cursor if encountered.
+ // Redo paragraphs below the anchor if necessary.
int y2 = y0;
while (y2 < height_ && pit2 < int(npit) - 1) {
- y2 += buftext.getPar(pit2).descent();
+ y2 += tm.parMetrics(pit2).descent();
++pit2;
- if (!singlepar || pit2 == cursor_.bottom().pit())
- buftext.redoParagraph(*this, pit2);
- y2 += buftext.getPar(pit2).ascent();
+ if (!singlepar)
+ tm.redoParagraph(pit2);
+ y2 += tm.parMetrics(pit2).ascent();
}
// Take care of descent of last line
- y2 += buftext.getPar(pit2).descent();
+ y2 += tm.parMetrics(pit2).descent();
// The coordinates of all these paragraphs are correct, cache them
int y = y1;
CoordCache::InnerParPosCache & parPos = coord_cache_.parPos()[&buftext];
for (pit_type pit = pit1; pit <= pit2; ++pit) {
- Paragraph const & par = buftext.getPar(pit);
- y += par.ascent();
+ ParagraphMetrics const & pm = tm.parMetrics(pit);
+ y += pm.ascent();
parPos[pit] = Point(0, y);
if (singlepar && pit == cursor_.bottom().pit()) {
// In Single Paragraph mode, collect here the
// y1 and y2 of the (one) paragraph the cursor is in
- y1 = y - par.ascent();
- y2 = y + par.descent();
+ y1 = y - pm.ascent();
+ y2 = y + pm.descent();
}
- y += par.descent();
+ y += pm.descent();
}
if (singlepar) {
if (buffer_) {
string const trypath = buffer_->filePath();
// If directory is writeable, use this as default.
- if (isDirWriteable(trypath))
+ if (isDirWriteable(FileName(trypath)))
initpath = trypath;
}
resize();
}
-
} // namespace lyx
projects / lyx.git / blobdiff