#include "CoordCache.h"
#include "Cursor.h"
#include "CutAndPaste.h"
-#include "debug.h"
#include "DispatchResult.h"
#include "EmbeddedFiles.h"
#include "ErrorList.h"
#include "FloatList.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
-#include "gettext.h"
#include "Intl.h"
#include "InsetIterator.h"
#include "Language.h"
#include "VSpace.h"
#include "WordLangTuple.h"
-
#include "insets/InsetBibtex.h"
#include "insets/InsetCommand.h" // ChangeRefs
#include "insets/InsetRef.h"
#include "insets/InsetText.h"
#include "frontends/alert.h"
+#include "frontends/Application.h"
#include "frontends/Delegates.h"
-#include "frontends/FileDialog.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "frontends/Selection.h"
#include "graphics/Previews.h"
#include "support/convert.h"
+#include "support/debug.h"
+#include "support/ExceptionMessage.h"
#include "support/FileFilterList.h"
#include "support/filetools.h"
+#include "support/gettext.h"
+#include "support/lstrings.h"
#include "support/Package.h"
#include "support/types.h"
-#include "support/fs_extras.h"
-
-#include <boost/bind.hpp>
-#include <boost/current_function.hpp>
-#include <boost/next_prior.hpp>
-#include <boost/filesystem/operations.hpp>
#include <cerrno>
#include <fstream>
#include <functional>
+#include <iterator>
#include <vector>
-using std::distance;
-using std::endl;
-using std::ifstream;
-using std::istringstream;
-using std::istream_iterator;
-using std::make_pair;
-using std::min;
-using std::max;
-using std::mem_fun_ref;
-using std::string;
-using std::vector;
-
-namespace fs = boost::filesystem;
+using namespace std;
+using namespace lyx::support;
namespace lyx {
-using support::addPath;
-using support::bformat;
-using support::FileFilterList;
-using support::FileName;
-using support::fileSearch;
-using support::makeDisplayPath;
-using support::makeAbsPath;
-using support::package;
-
namespace Alert = frontend::Alert;
namespace {
tmpcur.clearSelection();
bv->setCursor(tmpcur);
+ bv->showCursor();
}
}
+/// A map from a Text to the associated text metrics
+typedef map<Text const *, TextMetrics> TextMetricsCache;
-/// the type of outline operation
-enum OutlineOp {
- OutlineUp, // Move this header with text down
- OutlineDown, // Move this header with text up
- OutlineIn, // Make this header deeper
- OutlineOut // Make this header shallower
+enum ScreenUpdateStrategy {
+ NoScreenUpdate,
+ SingleParUpdate,
+ FullScreenUpdate,
+ DecorationUpdate
};
-
-void outline(OutlineOp mode, Cursor & cur)
-{
- Buffer & buf = cur.buffer();
- pit_type & pit = cur.pit();
- ParagraphList & pars = buf.text().paragraphs();
- ParagraphList::iterator bgn = pars.begin();
- // The first paragraph of the area to be copied:
- ParagraphList::iterator start = boost::next(bgn, pit);
- // The final paragraph of area to be copied:
- ParagraphList::iterator finish = start;
- ParagraphList::iterator end = pars.end();
-
- TextClass::const_iterator lit =
- buf.params().getTextClass().begin();
- TextClass::const_iterator const lend =
- buf.params().getTextClass().end();
-
- int const thistoclevel = start->layout()->toclevel;
- int toclevel;
- switch (mode) {
- case OutlineUp: {
- // Move out (down) from this section header
- if (finish != end)
- ++finish;
- // Seek the one (on same level) below
- for (; finish != end; ++finish) {
- toclevel = finish->layout()->toclevel;
- if (toclevel != Layout::NOT_IN_TOC
- && toclevel <= thistoclevel) {
- break;
- }
- }
- ParagraphList::iterator dest = start;
- // Move out (up) from this header
- if (dest == bgn)
- break;
- // Search previous same-level header above
- do {
- --dest;
- toclevel = dest->layout()->toclevel;
- } while(dest != bgn
- && (toclevel == Layout::NOT_IN_TOC
- || toclevel > thistoclevel));
- // Not found; do nothing
- if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
- break;
- pit_type const newpit = std::distance(bgn, dest);
- pit_type const len = std::distance(start, finish);
- pit_type const deletepit = pit + len;
- buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
- pars.insert(dest, start, finish);
- start = boost::next(pars.begin(), deletepit);
- pit = newpit;
- pars.erase(start, finish);
- break;
- }
- case OutlineDown: {
- // Go down out of current header:
- if (finish != end)
- ++finish;
- // Find next same-level header:
- for (; finish != end; ++finish) {
- toclevel = finish->layout()->toclevel;
- if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
- break;
- }
- ParagraphList::iterator dest = finish;
- // Go one down from *this* header:
- if (dest != end)
- ++dest;
- else
- break;
- // Go further down to find header to insert in front of:
- for (; dest != end; ++dest) {
- toclevel = dest->layout()->toclevel;
- if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
- break;
- }
- // One such was found:
- pit_type newpit = std::distance(bgn, dest);
- pit_type const len = std::distance(start, finish);
- buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
- pars.insert(dest, start, finish);
- start = boost::next(bgn, pit);
- pit = newpit - len;
- pars.erase(start, finish);
- break;
- }
- case OutlineIn:
- buf.undo().recordUndo(cur);
- for (; lit != lend; ++lit) {
- if ((*lit)->toclevel == thistoclevel + 1 &&
- start->layout()->labeltype == (*lit)->labeltype) {
- start->layout((*lit));
- break;
- }
- }
- break;
- case OutlineOut:
- buf.undo().recordUndo(cur);
- for (; lit != lend; ++lit) {
- if ((*lit)->toclevel == thistoclevel - 1 &&
- start->layout()->labeltype == (*lit)->labeltype) {
- start->layout((*lit));
- break;
- }
- }
- break;
- default:
- break;
- }
-}
-
-/// A map from a Text to the associated text metrics
-typedef std::map<Text const *, TextMetrics> TextMetricsCache;
-
} // anon namespace
struct BufferView::Private
{
Private(BufferView & bv): wh_(0), cursor_(bv),
- anchor_ref_(0), offset_ref_(0), need_centering_(false),
+ anchor_pit_(0), anchor_ypos_(0),
last_inset_(0), gui_(0)
{}
///
ScrollbarParameters scrollbarParameters_;
///
- ViewMetricsInfo metrics_info_;
+ ScreenUpdateStrategy update_strategy_;
///
CoordCache coord_cache_;
///
Cursor cursor_;
///
- pit_type anchor_ref_;
+ pit_type anchor_pit_;
///
- int offset_ref_;
+ int anchor_ypos_;
///
- bool need_centering_;
+ vector<int> par_height_;
/// keyboard mapping object.
Intl intl_;
if (p.y_ - asc >= 0 && p.y_ + des < height_)
return false;
}
- center();
return true;
}
// causes screen update(), I reset last_inset_ to avoid such a problem.
d->last_inset_ = 0;
// This is close to a hot-path.
- LYXERR(Debug::DEBUG)
- << BOOST_CURRENT_FUNCTION
+ LYXERR(Debug::DEBUG, "BufferView::processUpdateFlags()"
<< "[fitcursor = " << (flags & Update::FitCursor)
<< ", forceupdate = " << (flags & Update::Force)
<< ", singlepar = " << (flags & Update::SinglePar)
- << "] buffer: " << &buffer_ << endl;
+ << "] buffer: " << &buffer_);
- // Update macro store
- if (!(cursor().inMathed() && cursor().inMacroMode()))
- buffer_.updateMacros();
+ buffer_.updateMacros();
// Now do the first drawing step if needed. This consists on updating
// the CoordCache in updateMetrics().
// Case when no explicit update is requested.
if (!flags) {
// no need to redraw anything.
- d->metrics_info_.update_strategy = NoScreenUpdate;
+ d->update_strategy_ = NoScreenUpdate;
return;
}
if (flags == Update::Decoration) {
- d->metrics_info_.update_strategy = DecorationUpdate;
+ d->update_strategy_ = DecorationUpdate;
buffer_.changed();
return;
}
if (flags == Update::FitCursor
|| flags == (Update::Decoration | Update::FitCursor)) {
- bool const fit_cursor = fitCursor();
// tell the frontend to update the screen if needed.
- if (fit_cursor) {
- updateMetrics();
- buffer_.changed();
+ if (fitCursor()) {
+ showCursor();
return;
}
if (flags & Update::Decoration) {
- d->metrics_info_.update_strategy = DecorationUpdate;
+ d->update_strategy_ = DecorationUpdate;
buffer_.changed();
return;
}
// no screen update is needed.
- d->metrics_info_.update_strategy = NoScreenUpdate;
+ d->update_strategy_ = NoScreenUpdate;
return;
}
- bool const full_metrics = flags & Update::Force;
+ bool const full_metrics = flags & Update::Force || !singleParUpdate();
- if (full_metrics || !singleParUpdate())
+ if (full_metrics)
// We have to update the full screen metrics.
updateMetrics();
if (!(flags & Update::FitCursor)) {
+ // Nothing to do anymore. Trigger a redraw and return
buffer_.changed();
return;
}
- //FIXME: updateMetrics() does not update paragraph position
+ // updateMetrics() does not update paragraph position
// This is done at draw() time. So we need a redraw!
buffer_.changed();
- if (!fitCursor())
- // The screen has already been updated thanks to the
- // 'buffer_.changed()' call three line above. So no need
- // to redraw again.
- return;
- // The screen has been recentered around the cursor position so
- // refresh it:
- updateMetrics();
- buffer_.changed();
+ if (fitCursor()) {
+ // The cursor is off screen so ensure it is visible.
+ // refresh it:
+ showCursor();
+ }
}
void BufferView::updateScrollbar()
{
- Text & t = buffer_.text();
- TextMetrics & tm = d->text_metrics_[&t];
+ if (height_ == 0)
+ return;
- int const parsize = int(t.paragraphs().size() - 1);
- if (d->anchor_ref_ > parsize) {
- d->anchor_ref_ = parsize;
- d->offset_ref_ = 0;
- }
+ Text & t = buffer_.text();
+ TextMetrics & tm = d->text_metrics_[&t];
- LYXERR(Debug::GUI)
- << BOOST_CURRENT_FUNCTION
- << " Updating scrollbar: height: " << t.paragraphs().size()
+ LYXERR(Debug::GUI, " Updating scrollbar: height: "
+ << t.paragraphs().size()
<< " curr par: " << d->cursor_.bottom().pit()
- << " default height " << defaultRowHeight() << endl;
+ << " default height " << defaultRowHeight());
+
+ int const parsize = int(t.paragraphs().size());
+ if (d->par_height_.size() != parsize) {
+ d->par_height_.clear();
+ // FIXME: We assume a default paragraph height of 2 rows. This
+ // should probably be pondered with the screen width.
+ d->par_height_.resize(parsize, defaultRowHeight() * 2);
+ }
// It would be better to fix the scrollbar to understand
// values in [0..1] and divide everything by wh
- // estimated average paragraph height:
- if (d->wh_ == 0)
- d->wh_ = height_ / 4;
-
- int h = tm.parMetrics(d->anchor_ref_).height();
-
- // Normalize anchor/offset (MV):
- while (d->offset_ref_ > h && d->anchor_ref_ < parsize) {
- d->anchor_ref_++;
- d->offset_ref_ -= h;
- h = tm.parMetrics(d->anchor_ref_).height();
- }
// Look at paragraph heights on-screen
- int sumh = 0;
- int nh = 0;
- for (pit_type pit = d->anchor_ref_; pit <= parsize; ++pit) {
- if (sumh > height_)
- break;
- int const h2 = tm.parMetrics(pit).height();
- sumh += h2;
- nh++;
+ pit_type first_visible_pit = -1;
+ pair<pit_type, ParagraphMetrics const *> first = tm.first();
+ pair<pit_type, ParagraphMetrics const *> last = tm.last();
+ for (pit_type pit = first.first; pit <= last.first; ++pit) {
+ ParagraphMetrics const & pm = tm.parMetrics(pit);
+ d->par_height_[pit] = pm.height();
+ if (first_visible_pit >= 0 || pm.position() + pm.descent() <= 0)
+ continue;
+ first_visible_pit = pit;
+ LYXERR(Debug::SCROLLING, "first visible pit " << first_visible_pit);
+ // FIXME: we should look for the first visible row within
+ // the deepest inset!
+ int row_pos = pm.position();
+ size_t const nrows = pm.rows().size();
+ for (size_t i = 0; i != nrows; ++i) {
+ Row const & row = pm.rows()[i];
+ if (row_pos >= 0) {
+ LYXERR(Debug::SCROLLING, "first visible row " << i
+ << "(row pos = " << row_pos << ");");
+ break;
+ }
+ row_pos += row.height();
+ }
+ d->scrollbarParameters_.position = row_pos;
}
- BOOST_ASSERT(nh);
- int const hav = sumh / nh;
- // More realistic average paragraph height
- if (hav > d->wh_)
- d->wh_ = hav;
+ d->scrollbarParameters_.height = 0;
+ for (size_t i = 0; i != d->par_height_.size(); ++i) {
+ if (i == first_visible_pit)
+ d->scrollbarParameters_.position += d->scrollbarParameters_.height;
+ d->scrollbarParameters_.height += d->par_height_[i];
+ }
- BOOST_ASSERT(h);
- d->scrollbarParameters_.height = (parsize + 1) * d->wh_;
- d->scrollbarParameters_.position = d->anchor_ref_ * d->wh_ + int(d->offset_ref_ * d->wh_ / float(h));
- d->scrollbarParameters_.lineScrollHeight = int(d->wh_ * defaultRowHeight() / float(h));
+ // We prefer fixed size line scrolling.
+ d->scrollbarParameters_.lineScrollHeight = defaultRowHeight();
}
}
-void BufferView::scrollDocView(int value)
+docstring BufferView::toolTip(int x, int y) const
{
- LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
- << "[ value = " << value << "]" << endl;
+ // Get inset under mouse, if there is one.
+ Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
+ if (!covering_inset)
+ // No inset, no tooltip...
+ return docstring();
+ return covering_inset->toolTip(*this, x, y);
+}
- Text & t = buffer_.text();
- TextMetrics & tm = d->text_metrics_[&t];
- float const bar = value / float(d->wh_ * t.paragraphs().size());
+docstring BufferView::contextMenu(int x, int y) const
+{
+ // Get inset under mouse, if there is one.
+ Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
+ if (covering_inset)
+ return covering_inset->contextMenu(*this, x, y);
- d->anchor_ref_ = int(bar * t.paragraphs().size());
- if (d->anchor_ref_ > int(t.paragraphs().size()) - 1)
- d->anchor_ref_ = int(t.paragraphs().size()) - 1;
+ // FIXME: Do something more elaborate here.
+ return from_ascii("edit");
+}
+
+
+void BufferView::scrollDocView(int value)
+{
+ int const offset = value - d->scrollbarParameters_.position;
+ // If the offset is less than 2 screen height, prefer to scroll instead.
+ if (abs(offset) <= 2 * height_) {
+ scroll(offset);
+ return;
+ }
+
+ int par_pos = 0;
+ for (size_t i = 0; i != d->par_height_.size(); ++i) {
+ par_pos += d->par_height_[i];
+ if (par_pos >= value) {
+ d->anchor_pit_ = pit_type(i);
+ break;
+ }
+ }
- tm.redoParagraph(d->anchor_ref_);
- int const h = tm.parMetrics(d->anchor_ref_).height();
- d->offset_ref_ = int((bar * t.paragraphs().size() - d->anchor_ref_) * h);
+ LYXERR(Debug::SCROLLING, "value = " << value
+ << "\tanchor_ref_ = " << d->anchor_pit_
+ << "\tpar_pos = " << par_pos);
+
+ d->anchor_ypos_ = par_pos - value;
updateMetrics();
buffer_.changed();
}
+// FIXME: this method is not working well.
void BufferView::setCursorFromScrollbar()
{
TextMetrics & tm = d->text_metrics_[&buffer_.text()];
setCursor(doc_it);
// set the current font.
d->cursor_.setCurrentFont();
- // center the screen on this new position.
- center();
+ // 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();
+ if (fitCursor())
+ showCursor();
}
return success;
}
-void BufferView::updateOffsetRef()
+void BufferView::showCursor()
{
- // No need to update d->offset_ref_ in this case.
- if (!d->need_centering_)
- return;
-
// We are not properly started yet, delay until resizing is
// done.
if (height_ == 0)
return;
+ LYXERR(Debug::SCROLLING, "recentering!");
+
CursorSlice & bot = d->cursor_.bottom();
TextMetrics & tm = d->text_metrics_[bot.text()];
- ParagraphMetrics const & pm = tm.parMetrics(bot.pit());
- int y = coordOffset(d->cursor_, d->cursor_.boundary()).y_;
- d->offset_ref_ = y + pm.ascent() - height_ / 2;
- d->need_centering_ = false;
-}
+ pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
+ int bot_pit = d->cursor_.bottom().pit();
+ if (bot_pit > max_pit) {
+ // FIXME: Why does this happen?
+ LYXERR0("bottom pit is greater that max pit: "
+ << bot_pit << " > " << max_pit);
+ bot_pit = max_pit;
+ }
+ if (bot_pit == tm.first().first - 1)
+ tm.newParMetricsUp();
+ else if (bot_pit == tm.last().first + 1)
+ tm.newParMetricsDown();
-void BufferView::center()
-{
- d->anchor_ref_ = d->cursor_.bottom().pit();
- d->need_centering_ = true;
+ if (tm.has(bot_pit)) {
+ ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
+ int offset = coordOffset(d->cursor_, d->cursor_.boundary()).y_;
+ int ypos = pm.position() + offset;
+ Dimension const & row_dim = d->cursor_.textRow().dimension();
+ if (ypos - row_dim.ascent() < 0)
+ scrollUp(- ypos + row_dim.ascent());
+ else if (ypos + row_dim.descent() > height_)
+ scrollDown(ypos - height_ + row_dim.descent());
+ // else, nothing to do, the cursor is already visible so we just return.
+ return;
+ }
+
+ tm.redoParagraph(bot_pit);
+ ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
+ int offset = coordOffset(d->cursor_, d->cursor_.boundary()).y_;
+
+ d->anchor_pit_ = bot_pit;
+ Dimension const & row_dim = d->cursor_.textRow().dimension();
+
+ if (d->anchor_pit_ == 0)
+ d->anchor_ypos_ = offset + pm.ascent();
+ else if (d->anchor_pit_ == max_pit)
+ d->anchor_ypos_ = height_ - offset - row_dim.descent();
+ else
+ d->anchor_ypos_ = defaultRowHeight() * 2 - offset - row_dim.descent();
+
+ updateMetrics();
+ buffer_.changed();
}
case LFUN_LABEL_INSERT:
case LFUN_INFO_INSERT:
case LFUN_PARAGRAPH_GOTO:
- // FIXME handle non-trivially
- case LFUN_OUTLINE_UP:
- case LFUN_OUTLINE_DOWN:
- case LFUN_OUTLINE_IN:
- case LFUN_OUTLINE_OUT:
case LFUN_NOTE_NEXT:
case LFUN_REFERENCE_NEXT:
case LFUN_WORD_FIND:
case LFUN_SCREEN_RECENTER:
case LFUN_BIBTEX_DATABASE_ADD:
case LFUN_BIBTEX_DATABASE_DEL:
- case LFUN_WORDS_COUNT:
+ case LFUN_STATISTICS:
case LFUN_NEXT_INSET_TOGGLE:
flag.enabled(true);
break;
case LFUN_SCREEN_UP:
case LFUN_SCREEN_DOWN:
+ case LFUN_SCROLL:
flag.enabled(true);
break;
}
-Update::flags BufferView::dispatch(FuncRequest const & cmd)
+bool BufferView::dispatch(FuncRequest const & cmd)
{
- //lyxerr << BOOST_CURRENT_FUNCTION
- // << [ cmd = " << cmd << "]" << endl;
+ //lyxerr << [ cmd = " << cmd << "]" << endl;
// Make sure that the cached BufferView is correct.
- LYXERR(Debug::ACTION) << BOOST_CURRENT_FUNCTION
- << " action[" << cmd.action << ']'
+ LYXERR(Debug::ACTION, " action[" << cmd.action << ']'
<< " arg[" << to_utf8(cmd.argument()) << ']'
<< " x[" << cmd.x << ']'
<< " y[" << cmd.y << ']'
- << " button[" << cmd.button() << ']'
- << endl;
+ << " button[" << cmd.button() << ']');
Cursor & cur = d->cursor_;
- // Default Update flags.
- Update::flags updateFlags = Update::Force | Update::FitCursor;
switch (cmd.action) {
case LFUN_UNDO:
cur.message(_("Undo"));
cur.clearSelection();
- if (!cur.textUndo()) {
+ if (!cur.textUndo())
cur.message(_("No further undo information"));
- updateFlags = Update::None;
- }
+ else
+ processUpdateFlags(Update::Force | Update::FitCursor);
break;
case LFUN_REDO:
cur.message(_("Redo"));
cur.clearSelection();
- if (!cur.textRedo()) {
+ if (!cur.textRedo())
cur.message(_("No further redo information"));
- updateFlags = Update::None;
- }
- break;
-
- case LFUN_FILE_INSERT:
- // FIXME UNICODE
- menuInsertLyXFile(to_utf8(cmd.argument()));
- break;
-
- case LFUN_FILE_INSERT_PLAINTEXT_PARA:
- // FIXME UNICODE
- insertPlaintextFile(to_utf8(cmd.argument()), true);
- break;
-
- case LFUN_FILE_INSERT_PLAINTEXT:
- // FIXME UNICODE
- insertPlaintextFile(to_utf8(cmd.argument()), false);
+ else
+ processUpdateFlags(Update::Force | Update::FitCursor);
break;
case LFUN_FONT_STATE:
ParIterator par = b->getParFromID(id);
if (par == b->par_iterator_end()) {
- LYXERR(Debug::INFO)
- << "No matching paragraph found! ["
- << id << "]." << endl;
+ LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
} else {
- LYXERR(Debug::INFO)
- << "Paragraph " << par->id()
+ LYXERR(Debug::INFO, "Paragraph " << par->id()
<< " found in buffer `"
- << b->absFileName() << "'." << endl;
+ << b->absFileName() << "'.");
if (b == &buffer_) {
// Set the cursor
setCursor(makeDocIterator(par, 0));
+ showCursor();
} else {
// Switch to other buffer view and resend cmd
theLyXFunc().dispatch(FuncRequest(
LFUN_BUFFER_SWITCH, b->absFileName()));
theLyXFunc().dispatch(cmd);
- updateFlags = Update::None;
}
break;
}
break;
}
- case LFUN_OUTLINE_UP:
- outline(OutlineUp, d->cursor_);
- d->cursor_.text()->setCursor(d->cursor_, d->cursor_.pit(), 0);
- updateLabels(buffer_);
- break;
- case LFUN_OUTLINE_DOWN:
- outline(OutlineDown, d->cursor_);
- d->cursor_.text()->setCursor(d->cursor_, d->cursor_.pit(), 0);
- updateLabels(buffer_);
- break;
- case LFUN_OUTLINE_IN:
- outline(OutlineIn, d->cursor_);
- updateLabels(buffer_);
- break;
- case LFUN_OUTLINE_OUT:
- outline(OutlineOut, d->cursor_);
- updateLabels(buffer_);
- break;
-
case LFUN_NOTE_NEXT:
gotoInset(this, NOTE_CODE, false);
break;
break;
case LFUN_SCREEN_RECENTER:
- center();
+ showCursor();
break;
case LFUN_BIBTEX_DATABASE_ADD: {
break;
}
- case LFUN_WORDS_COUNT: {
+ case LFUN_STATISTICS: {
DocIterator from, to;
if (cur.selection()) {
from = cur.selectionBegin();
from = doc_iterator_begin(buffer_.inset());
to = doc_iterator_end(buffer_.inset());
}
- int const count = countWords(from, to);
+ int const words = countWords(from, to);
+ int const chars = countChars(from, to, false);
+ int const chars_blanks = countChars(from, to, true);
docstring message;
- if (count != 1) {
- if (cur.selection())
- message = bformat(_("%1$d words in selection."),
- count);
- else
- message = bformat(_("%1$d words in document."),
- count);
- }
- else {
- if (cur.selection())
- message = _("One word in selection.");
- else
- message = _("One word in document.");
- }
-
- Alert::information(_("Count words"), message);
+ if (cur.selection())
+ message = _("Statistics for the selection:\n");
+ else
+ message = _("Statistics for the document:\n");
+ if (words != 1)
+ message += bformat(_("\n%1$d words"), words);
+ else
+ message += _("\nOne word");
+ if (chars_blanks != 1)
+ message += bformat(_("\n%1$d characters (including blanks)"),
+ chars_blanks);
+ else
+ message += _("\nOne character (including blanks)");
+ if (chars != 1)
+ message += bformat(_("\n%1$d characters (excluding blanks)"),
+ chars);
+ else
+ message += _("\nOne character (excluding blanks)");
+
+ Alert::information(_("Statistics"), message);
}
break;
buffer_.params().compressed = !buffer_.params().compressed;
break;
- case LFUN_BUFFER_TOGGLE_EMBEDDING:
+ case LFUN_BUFFER_TOGGLE_EMBEDDING: {
// turn embedding on/off
- buffer_.embeddedFiles().enable(!buffer_.params().embedded);
+ try {
+ buffer_.embeddedFiles().enable(!buffer_.params().embedded, buffer_);
+ } catch (ExceptionMessage const & message) {
+ Alert::error(message.title_, message.details_);
+ }
break;
+ }
case LFUN_NEXT_INSET_TOGGLE: {
// this is the real function we want to invoke
if (!cur.result().dispatched())
cur.dispatch(tmpcmd);
- if (cur.result().dispatched())
- cur.clearSelection();
-
+ if (!cur.result().dispatched())
+ // It did not work too; no action needed.
+ break;
+ cur.clearSelection();
+ processUpdateFlags(Update::SinglePar | Update::FitCursor);
break;
}
Point p = getPos(cur, cur.boundary());
if (p.y_ < 0 || p.y_ > height_) {
// The cursor is off-screen so recenter before proceeding.
- center();
- updateMetrics();
- //FIXME: updateMetrics() does not update paragraph position
- // This is done at draw() time. So we need a redraw!
- // But no screen update is needed.
- d->metrics_info_.update_strategy = NoScreenUpdate;
- buffer_.changed();
+ showCursor();
p = getPos(cur, cur.boundary());
}
scroll(cmd.action == LFUN_SCREEN_UP? - height_ : height_);
d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_);
//FIXME: what to do with cur.x_target()?
cur.finishUndo();
- // The metrics are already up to date. see scroll()
- updateFlags = Update::None;
break;
}
+ case LFUN_SCROLL:
+ lfunScroll(cmd);
+ break;
+
case LFUN_SCREEN_UP_SELECT:
case LFUN_SCREEN_DOWN_SELECT: {
+ // Those two are not ready yet for consumption.
+ return false;
+
cur.selHandle(true);
size_t initial_depth = cur.depth();
Point const p = getPos(cur, cur.boundary());
}
// FIXME: we need to do a redraw again because of the selection
// But no screen update is needed.
- d->metrics_info_.update_strategy = NoScreenUpdate;
+ d->update_strategy_ = NoScreenUpdate;
buffer_.changed();
- updateFlags = Update::Force | Update::FitCursor;
break;
}
default:
- updateFlags = Update::None;
+ return false;
}
- return updateFlags;
+ return true;
}
width_ = width;
height_ = height;
+ // Clear the paragraph height cache.
+ d->par_height_.clear();
+
updateMetrics();
}
-Inset const * BufferView::getCoveringInset(Text const & text, int x, int y)
+Inset const * BufferView::getCoveringInset(Text const & text,
+ int x, int y) const
{
TextMetrics & tm = d->text_metrics_[&text];
Inset * inset = tm.checkInsetHit(x, y);
void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
{
- //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
+ //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
// This is only called for mouse related events including
// LFUN_FILE_OPEN generated by drag-and-drop.
if (!need_redraw)
return;
- // 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 in any case as this is not costly.
- TextMetrics & tm = d->text_metrics_[&buffer_.text()];
- std::pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
- std::pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
- int y1 = firstpm.second->position() - firstpm.second->ascent();
- int y2 = lastpm.second->position() + lastpm.second->descent();
- d->metrics_info_ = ViewMetricsInfo(firstpm.first, lastpm.first, y1, y2,
- FullScreenUpdate, buffer_.text().paragraphs().size());
- // Reinitialize anchor to first pit.
- d->anchor_ref_ = firstpm.first;
- d->offset_ref_ = -y1;
- LYXERR(Debug::PAINTING)
- << "Mouse hover detected at: (" << cmd.x << ", " << cmd.y << ")"
- << "\nTriggering redraw: y1: " << y1 << " y2: " << y2
- << " pit1: " << firstpm.first << " pit2: " << lastpm.first << endl;
+ LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
+ << cmd.x << ", " << cmd.y << ")");
+
+ d->update_strategy_ = DecorationUpdate;
// This event (moving without mouse click) is not passed further.
// This should be changed if it is further utilized.
}
+void BufferView::lfunScroll(FuncRequest const & cmd)
+{
+ string const scroll_type = cmd.getArg(0);
+ int const scroll_step =
+ (scroll_type == "line")? d->scrollbarParameters_.lineScrollHeight
+ : (scroll_type == "page")? height_ : 0;
+ if (scroll_step == 0)
+ return;
+ string const scroll_quantity = cmd.getArg(1);
+ if (scroll_quantity == "up")
+ scrollUp(scroll_step);
+ else if (scroll_quantity == "down")
+ scrollDown(scroll_step);
+ else {
+ int const scroll_value = convert<int>(scroll_quantity);
+ if (scroll_value)
+ scroll(scroll_step * scroll_value);
+ }
+}
+
+
void BufferView::scroll(int y)
{
if (y > 0)
TextMetrics & tm = d->text_metrics_[text];
int ymax = height_ + offset;
while (true) {
- std::pair<pit_type, ParagraphMetrics const *> last = tm.last();
+ pair<pit_type, ParagraphMetrics const *> last = tm.last();
int bottom_pos = last.second->position() + last.second->descent();
if (last.first + 1 == int(text->paragraphs().size())) {
if (bottom_pos <= height_)
break;
tm.newParMetricsDown();
}
- d->offset_ref_ += offset;
+ d->anchor_ypos_ -= offset;
updateMetrics();
buffer_.changed();
}
TextMetrics & tm = d->text_metrics_[text];
int ymin = - offset;
while (true) {
- std::pair<pit_type, ParagraphMetrics const *> first = tm.first();
+ pair<pit_type, ParagraphMetrics const *> first = tm.first();
int top_pos = first.second->position() - first.second->ascent();
if (first.first == 0) {
if (top_pos >= 0)
break;
tm.newParMetricsUp();
}
- d->offset_ref_ -= offset;
+ d->anchor_ypos_ += offset;
updateMetrics();
buffer_.changed();
}
for (InsetIterator it = inset_iterator_begin(buffer_.inset()); it; ++it) {
vector<docstring> labels;
it->getLabelList(buffer_, labels);
- if (std::find(labels.begin(), labels.end(), label) != labels.end()) {
+ if (find(labels.begin(), labels.end(), label) != labels.end()) {
setCursor(it);
- processUpdateFlags(Update::FitCursor);
+ showCursor();
return;
}
}
if (!changed)
return false;
+ d->cursor_ = cur;
+
updateLabels(buffer_);
updateMetrics();
// For an example, see bug 2933:
// http://bugzilla.lyx.org/show_bug.cgi?id=2933
// The code below could maybe be moved to a DocIterator method.
- //lyxerr << "cur before " << cur <<std::endl;
+ //lyxerr << "cur before " << cur <<endl;
DocIterator dit(cur.inset());
dit.push_back(cur.bottom());
size_t i = 1;
dit.push_back(cur[i]);
++i;
}
- //lyxerr << "5 cur after" << dit <<std::endl;
+ //lyxerr << "5 cur after" << dit <<endl;
d->cursor_.setCursor(dit);
d->cursor_.boundary(cur.boundary());
pit_type BufferView::anchor_ref() const
{
- return d->anchor_ref_;
-}
-
-
-ViewMetricsInfo const & BufferView::viewMetricsInfo()
-{
- return d->metrics_info_;
+ return d->anchor_pit_;
}
// the singlePar optimisation.
return false;
- int y1 = pm.position() - pm.ascent();
- int y2 = pm.position() + pm.descent();
- d->metrics_info_ = ViewMetricsInfo(bottom_pit, bottom_pit, y1, y2,
- SingleParUpdate, buftext.paragraphs().size());
- LYXERR(Debug::PAINTING)
- << BOOST_CURRENT_FUNCTION
- << "\ny1: " << y1
- << " y2: " << y2
+ d->update_strategy_ = SingleParUpdate;
+
+ LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
+ << " y2: " << pm.position() + pm.descent()
<< " pit: " << bottom_pit
- << " singlepar: 1"
- << endl;
+ << " singlepar: 1");
return true;
}
Text & buftext = buffer_.text();
pit_type const npit = int(buftext.paragraphs().size());
- if (d->anchor_ref_ > int(npit - 1)) {
- d->anchor_ref_ = int(npit - 1);
- d->offset_ref_ = 0;
- }
-
// Clear out the position cache in case of full screen redraw,
d->coord_cache_.clear();
TextMetrics & tm = textMetrics(&buftext);
- pit_type const pit = d->anchor_ref_;
- int pit1 = pit;
- int pit2 = pit;
-
// Rebreak anchor paragraph.
- tm.redoParagraph(pit);
-
- // Take care of anchor offset if case a recentering is needed.
- updateOffsetRef();
+ tm.redoParagraph(d->anchor_pit_);
+ ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
+ anchor_pm.setPosition(d->anchor_ypos_);
- int y0 = tm.parMetrics(pit).ascent() - d->offset_ref_;
+ LYXERR(Debug::PAINTING, "metrics: "
+ << " anchor pit = " << d->anchor_pit_
+ << " anchor ypos = " << d->anchor_ypos_);
// Redo paragraphs above anchor if necessary.
- int y1 = y0;
- while (y1 > 0 && pit1 > 0) {
- y1 -= tm.parMetrics(pit1).ascent();
- --pit1;
+ 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);
- y1 -= tm.parMetrics(pit1).descent();
- }
-
- // Take care of ascent of first line
- y1 -= tm.parMetrics(pit1).ascent();
-
- // Normalize anchor for next time
- d->anchor_ref_ = pit1;
- d->offset_ref_ = -y1;
-
- // Grey at the beginning is ugly
- if (pit1 == 0 && y1 > 0) {
- y0 -= y1;
- y1 = 0;
- d->anchor_ref_ = 0;
+ ParagraphMetrics & pm = tm.par_metrics_[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 = y0;
- while (y2 < height_ && pit2 < int(npit) - 1) {
- y2 += tm.parMetrics(pit2).descent();
- ++pit2;
+ 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);
- y2 += tm.parMetrics(pit2).ascent();
+ ParagraphMetrics & pm = tm.par_metrics_[pit2];
+ y2 += pm.ascent();
+ // Save the paragraph position in the cache.
+ pm.setPosition(y2);
+ y2 += pm.descent();
}
- // Take care of descent of last line
- y2 += tm.parMetrics(pit2).descent();
-
- LYXERR(Debug::PAINTING)
- << BOOST_CURRENT_FUNCTION
- << "\n y1: " << y1
- << " y2: " << y2
- << " pit1: " << pit1
- << " pit2: " << pit2
- << " npit: " << npit
- << " singlepar: 0"
- << endl;
+ LYXERR(Debug::PAINTING, "Metrics: "
+ << " anchor pit = " << d->anchor_pit_
+ << " anchor ypos = " << d->anchor_ypos_
+ << " y1 = " << y1
+ << " y2 = " << y2
+ << " pit1 = " << pit1
+ << " pit2 = " << pit2);
- d->metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2,
- FullScreenUpdate, npit);
+ d->update_strategy_ = FullScreenUpdate;
if (lyxerr.debugging(Debug::WORKAREA)) {
- LYXERR(Debug::WORKAREA) << "BufferView::updateMetrics" << endl;
+ LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
d->coord_cache_.dump();
}
}
-void BufferView::menuInsertLyXFile(string const & filenm)
+void BufferView::insertLyXFile(FileName const & fname)
{
BOOST_ASSERT(d->cursor_.inTexted());
- string filename = filenm;
-
- if (filename.empty()) {
- // Launch a file browser
- // FIXME UNICODE
- string initpath = lyxrc.document_path;
- string const trypath = buffer_.filePath();
- // If directory is writeable, use this as default.
- if (FileName(trypath).isDirWritable())
- initpath = trypath;
-
- // FIXME UNICODE
- FileDialog dlg(_("Select LyX document to insert"), LFUN_FILE_INSERT);
- dlg.setButton1(_("Documents|#o#O"), from_utf8(lyxrc.document_path));
- dlg.setButton2(_("Examples|#E#e"),
- from_utf8(addPath(package().system_support().absFilename(),
- "examples")));
-
- FileDialog::Result result =
- dlg.open(from_utf8(initpath),
- FileFilterList(_("LyX Documents (*.lyx)")),
- docstring());
-
- if (result.first == FileDialog::Later)
- return;
-
- // FIXME UNICODE
- filename = to_utf8(result.second);
-
- // check selected filename
- if (filename.empty()) {
- // emit message signal.
- message(_("Canceled."));
- return;
- }
- }
// Get absolute path of file and add ".lyx"
// to the filename if necessary
- filename = fileSearch(string(), filename, "lyx").absFilename();
+ FileName filename = fileSearch(string(), fname.absFilename(), "lyx");
- docstring const disp_fn = makeDisplayPath(filename);
+ docstring const disp_fn = makeDisplayPath(filename.absFilename());
// emit message signal.
message(bformat(_("Inserting document %1$s..."), disp_fn));
docstring res;
Buffer buf("", false);
- if (buf.loadLyXFile(FileName(filename))) {
+ if (buf.loadLyXFile(filename)) {
ErrorList & el = buffer_.errorList("Parse");
// Copy the inserted document error list into the current buffer one.
el = buf.errorList("Parse");
res = _("Could not insert document %1$s");
}
+ updateMetrics();
+ buffer_.changed();
// emit message signal.
message(bformat(res, disp_fn));
buffer_.errors("Parse");
- updateMetrics();
}
int pos = sl.pos();
if (pos && boundary)
--pos;
-// lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << std::endl;
+// lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
rend = pm.pos2row(pos);
} else
rend = pm.pos2row(sl.pos());
void BufferView::draw(frontend::Painter & pain)
{
- LYXERR(Debug::PAINTING) << "\t\t*** START DRAWING ***" << endl;
+ LYXERR(Debug::PAINTING, "\t\t*** START DRAWING ***");
Text & text = buffer_.text();
TextMetrics const & tm = d->text_metrics_[&text];
- int const y = d->metrics_info_.y1
- + tm.parMetrics(d->metrics_info_.p1).ascent();
+ int const y = tm.first().second->position();
PainterInfo pi(this, pain);
- switch (d->metrics_info_.update_strategy) {
+ switch (d->update_strategy_) {
case NoScreenUpdate:
// If no screen painting is actually needed, only some the different
break;
case SingleParUpdate:
- // Only the current outermost paragraph will be redrawn.
pi.full_repaint = false;
- tm.drawParagraph(pi, d->metrics_info_.p1, 0, y);
+ // In general, only the current row of the outermost paragraph
+ // will be redrawn. Particular cases where selection spans
+ // multiple paragraph are correctly detected in TextMetrics.
+ tm.draw(pi, 0, y);
break;
case DecorationUpdate:
// The whole screen, including insets, will be refreshed.
pi.full_repaint = true;
- // Clear background (if not delegated to rows)
- pain.fillRectangle(0, d->metrics_info_.y1, width_,
- d->metrics_info_.y2 - d->metrics_info_.y1,
+ // Clear background.
+ pain.fillRectangle(0, 0, width_, height_,
buffer_.inset().backgroundColor());
- tm.draw(pi, 0, y);
- // and grey out above (should not happen later)
- if (d->metrics_info_.y1 > 0)
- pain.fillRectangle(0, 0, width_,
- d->metrics_info_.y1, Color_bottomarea);
+ // Draw everything.
+ tm.draw(pi, 0, y);
// and possibly grey out below
- if (d->metrics_info_.y2 < height_)
- pain.fillRectangle(0, d->metrics_info_.y2, width_,
- height_ - d->metrics_info_.y2, Color_bottomarea);
+ pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
+ int const y2 = lastpm.second->position() + lastpm.second->descent();
+ if (y2 < height_)
+ pain.fillRectangle(0, y2, width_, height_ - y2, Color_bottomarea);
break;
}
+ LYXERR(Debug::PAINTING, "\n\t\t*** END DRAWING ***");
+
+ // The scrollbar needs an update.
+ updateScrollbar();
- LYXERR(Debug::PAINTING) << "\n\t\t*** END DRAWING ***" << endl;
+ // Normalize anchor for next time
+ 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) {
+ 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_);
}
}
-void BufferView::showDialog(std::string const & name)
+void BufferView::showDialog(string const & name)
{
if (d->gui_)
- d->gui_->showDialog(name);
+ d->gui_->showDialog(name, string());
}
-void BufferView::showDialogWithData(std::string const & name,
- std::string const & data)
+void BufferView::showDialog(string const & name,
+ string const & data, Inset * inset)
{
if (d->gui_)
- d->gui_->showDialogWithData(name, data);
+ d->gui_->showDialog(name, data, inset);
}
-void BufferView::showInsetDialog(std::string const & name,
- std::string const & data, Inset * inset)
-{
- if (d->gui_)
- d->gui_->showInsetDialog(name, data, inset);
-}
-
-
-void BufferView::updateDialog(std::string const & name, std::string const & data)
+void BufferView::updateDialog(string const & name, string const & data)
{
if (d->gui_)
d->gui_->updateDialog(name, data);
// FIXME: Move this out of BufferView again
-docstring BufferView::contentsOfPlaintextFile(string const & f,
- bool asParagraph)
+docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
{
- FileName fname(f);
-
- if (fname.empty()) {
- FileDialog dlg(_("Select file to insert"),
- ( asParagraph
- ? LFUN_FILE_INSERT_PLAINTEXT_PARA
- : LFUN_FILE_INSERT_PLAINTEXT) );
-
- FileDialog::Result result =
- dlg.open(from_utf8(buffer().filePath()),
- FileFilterList(), docstring());
-
- if (result.first == FileDialog::Later)
- return docstring();
-
- fname = makeAbsPath(to_utf8(result.second));
-
- if (fname.empty())
- return docstring();
- }
-
- if (!fs::is_readable(fname.toFilesystemEncoding())) {
+ if (!fname.isReadableFile()) {
docstring const error = from_ascii(strerror(errno));
docstring const file = makeDisplayPath(fname.absFilename(), 50);
docstring const text =
return docstring();
}
- ifstream ifs(fname.toFilesystemEncoding().c_str());
- if (!ifs) {
- docstring const error = from_ascii(strerror(errno));
+ if (!fname.isReadableFile()) {
docstring const file = makeDisplayPath(fname.absFilename(), 50);
docstring const text =
- bformat(_("Could not open the specified document\n"
- "%1$s\ndue to the error: %2$s"), file, error);
+ bformat(_("%1$s\n is not readable."), file);
Alert::error(_("Could not open file"), text);
return docstring();
}
- ifs.unsetf(std::ios::skipws);
- istream_iterator<char> ii(ifs);
- istream_iterator<char> end;
-#if !defined(USE_INCLUDED_STRING) && !defined(STD_STRING_IS_GOOD)
- // We use this until the compilers get better...
- std::vector<char> tmp;
- copy(ii, end, back_inserter(tmp));
- string const tmpstr(tmp.begin(), tmp.end());
-#else
- // This is what we want to use and what we will use once the
- // compilers get good enough.
- //string tmpstr(ii, end); // yet a reason for using std::string
- // alternate approach to get the file into a string:
- string tmpstr;
- copy(ii, end, back_inserter(tmpstr));
-#endif
-
// FIXME UNICODE: We don't know the encoding of the file
- docstring file_content = from_utf8(tmpstr);
+ docstring file_content = fname.fileContents("UTF-8");
if (file_content.empty()) {
Alert::error(_("Reading not UTF-8 encoded file"),
_("The file is not UTF-8 encoded.\n"
"If this does not give the correct result\n"
"then please change the encoding of the file\n"
"to UTF-8 with a program other than LyX.\n"));
- file_content = from_local8bit(tmpstr);
+ file_content = fname.fileContents("local8bit");
}
return normalize_c(file_content);
}
-void BufferView::insertPlaintextFile(string const & f, bool asParagraph)
+void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
{
- docstring const tmpstr = contentsOfPlaintextFile(f, asParagraph);
+ docstring const tmpstr = contentsOfPlaintextFile(f);
if (tmpstr.empty())
return;
cur.innerText()->insertStringAsParagraphs(cur, tmpstr);
else
cur.innerText()->insertStringAsLines(cur, tmpstr);
+
+ updateMetrics();
+ buffer_.changed();
}
} // namespace lyx