X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.cpp;h=0030f33f4c1d19f11c19dfef172014f1b6fb3c52;hb=0eb9477be7998f8d66b4fe5c8948de5a22261e1e;hp=85962473dad079ad7f6c8cb03bde79f6cb21a061;hpb=f8774a446b2feb8edf664ecc71a491fce103b043;p=lyx.git diff --git a/src/BufferView.cpp b/src/BufferView.cpp index 85962473da..0030f33f4c 100644 --- a/src/BufferView.cpp +++ b/src/BufferView.cpp @@ -46,6 +46,7 @@ #include "Paragraph.h" #include "ParagraphParameters.h" #include "ParIterator.h" +#include "RowPainter.h" #include "Session.h" #include "Text.h" #include "TextClass.h" @@ -234,7 +235,9 @@ struct BufferView::Private mouse_position_cache_(), bookmark_edit_position_(-1), gui_(0), horiz_scroll_offset_(0) - {} + { + xsel_cache_.set = false; + } /// ScrollbarParameters scrollbarParameters_; @@ -412,7 +415,7 @@ Buffer const & BufferView::buffer() const } -bool BufferView::fitCursor() +bool BufferView::needsFitCursor() const { if (cursorStatus(d->cursor_) == CUR_INSIDE) { frontend::FontMetrics const & fm = @@ -443,6 +446,7 @@ void BufferView::processUpdateFlags(Update::flags flags) // 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? // Case when no explicit update is requested. if (!flags) { @@ -460,7 +464,7 @@ void BufferView::processUpdateFlags(Update::flags flags) if (flags == Update::FitCursor || flags == (Update::Decoration | Update::FitCursor)) { // tell the frontend to update the screen if needed. - if (fitCursor()) { + if (needsFitCursor()) { showCursor(); return; } @@ -470,7 +474,7 @@ void BufferView::processUpdateFlags(Update::flags flags) return; } // no screen update is needed in principle, but this - // could change if cursor row needs scrolling. + // could change if cursor row needs horizontal scrolling. d->update_strategy_ = NoScreenUpdate; buffer_.changed(false); return; @@ -492,7 +496,7 @@ void BufferView::processUpdateFlags(Update::flags flags) // This is done at draw() time. So we need a redraw! buffer_.changed(false); - if (fitCursor()) { + if (needsFitCursor()) { // The cursor is off screen so ensure it is visible. // refresh it: showCursor(); @@ -808,7 +812,7 @@ bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos, // paragraph position which is computed at draw() time. // So we need a redraw! buffer_.changed(false); - if (fitCursor()) + if (needsFitCursor()) showCursor(); } @@ -986,7 +990,7 @@ void BufferView::updateDocumentClass(DocumentClassConstPtr olddc) } -/** Return the change status at cursor position, taking in account the +/** Return the change status at cursor position, taking into account the * status at each level of the document iterator (a table in a deleted * footnote is deleted). * When \param outer is true, the top slice is not looked at. @@ -1120,16 +1124,6 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag) || getInsetByCode(cur, REF_CODE)); break; - case LFUN_CHANGES_TRACK: - flag.setEnabled(true); - flag.setOnOff(buffer_.params().track_changes); - break; - - case LFUN_CHANGES_OUTPUT: - flag.setEnabled(true); - flag.setOnOff(buffer_.params().output_changes); - break; - case LFUN_CHANGES_MERGE: case LFUN_CHANGE_NEXT: case LFUN_CHANGE_PREVIOUS: @@ -1142,16 +1136,6 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag) flag.setEnabled(true); break; - case LFUN_BUFFER_TOGGLE_COMPRESSION: { - flag.setOnOff(buffer_.params().compressed); - break; - } - - case LFUN_BUFFER_TOGGLE_OUTPUT_SYNC: { - flag.setOnOff(buffer_.params().output_sync); - break; - } - case LFUN_SCREEN_UP: case LFUN_SCREEN_DOWN: case LFUN_SCROLL: @@ -1454,33 +1438,6 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr) break; } - case LFUN_CHANGES_TRACK: - buffer_.params().track_changes = !buffer_.params().track_changes; - break; - - case LFUN_CHANGES_OUTPUT: - buffer_.params().output_changes = !buffer_.params().output_changes; - if (buffer_.params().output_changes) { - bool dvipost = LaTeXFeatures::isAvailable("dvipost"); - bool xcolorulem = LaTeXFeatures::isAvailable("ulem") && - LaTeXFeatures::isAvailable("xcolor"); - - if (!dvipost && !xcolorulem) { - Alert::warning(_("Changes not shown in LaTeX output"), - _("Changes will not be highlighted in LaTeX output, " - "because neither dvipost nor xcolor/ulem are installed.\n" - "Please install these packages or redefine " - "\\lyxadded and \\lyxdeleted in the LaTeX preamble.")); - } else if (!xcolorulem) { - Alert::warning(_("Changes not shown in LaTeX output"), - _("Changes will not be highlighted in LaTeX output " - "when using pdflatex, because xcolor and ulem are not installed.\n" - "Please install both packages or redefine " - "\\lyxadded and \\lyxdeleted in the LaTeX preamble.")); - } - } - break; - case LFUN_CHANGE_NEXT: findNextChange(this); // FIXME: Move this LFUN to Buffer so that we don't have to do this: @@ -1720,15 +1677,6 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr) } break; - case LFUN_BUFFER_TOGGLE_COMPRESSION: - // turn compression on/off - buffer_.params().compressed = !buffer_.params().compressed; - break; - - case LFUN_BUFFER_TOGGLE_OUTPUT_SYNC: - buffer_.params().output_sync = !buffer_.params().output_sync; - break; - case LFUN_SCREEN_UP: case LFUN_SCREEN_DOWN: { Point p = getPos(cur); @@ -1857,6 +1805,7 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr) cur.pit() = cur.lastpit(); cur.pos() = cur.lastpos(); } + cur.setCurrentFont(); dr.screenUpdate(Update::Force); break; @@ -2246,6 +2195,15 @@ void BufferView::mouseEventDispatch(FuncRequest const & cmd0) // Build temporary cursor. Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y()); + if (inset) { + // If inset is not editable, cur.pos() might point behind the + // inset (depending on cmd.x(), cmd.y()). This is needed for + // editing to fix bug 9628, but e.g. the context menu needs a + // cursor in front of the inset. + if (inset->hasSettings() && + cur.nextInset() != inset && cur.prevInset() == inset) + cur.backwardPos(); + } // Put anchor at the same position. cur.resetAnchor(); @@ -2353,13 +2311,19 @@ int BufferView::scrollUp(int offset) void BufferView::setCursorFromRow(int row) +{ + setCursorFromRow(row, buffer_.texrow()); +} + + +void BufferView::setCursorFromRow(int row, TexRow const & texrow) { int tmpid; int tmppos; pit_type newpit = 0; pos_type newpos = 0; - buffer_.texrow().getIdFromRow(row, tmpid, tmppos); + texrow.getIdFromRow(row, tmpid, tmppos); bool posvalid = (tmpid != -1); if (posvalid) { @@ -2429,9 +2393,9 @@ void BufferView::gotoLabel(docstring const & label) Buffer const * buf = *it; // find label - Toc & toc = buf->tocBackend().toc("label"); - TocIterator toc_it = toc.begin(); - TocIterator end = toc.end(); + shared_ptr toc = buf->tocBackend().toc("label"); + TocIterator toc_it = toc->begin(); + TocIterator end = toc->end(); for (; toc_it != end; ++toc_it) { if (label == toc_it->str()) { lyx::dispatch(toc_it->action()); @@ -2829,8 +2793,7 @@ Point BufferView::coordOffset(DocIterator const & dit) const // FIXME (Abdel 23/09/2007): this is a bit messy because of the // elimination of Inset::dim_ cache. This coordOffset() method needs // to be rewritten in light of the new design. - Dimension const & dim = parMetrics(dit[i - 1].text(), - dit[i - 1].pit()).insetDimension(&sl.inset()); + Dimension const & dim = coordCache().getInsets().dim(&sl.inset()); lastw = dim.wid; } else { Dimension const dim = sl.inset().dimension(*this); @@ -2980,29 +2943,71 @@ void BufferView::checkCursorScrollOffset(PainterInfo & pi) return; ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit()); Row const & row = pm.getRow(rowSlice.pos(), - d->cursor_.boundary() - && rowSlice == d->cursor_.top()); + d->cursor_.boundary() && rowSlice == d->cursor_.top()); rowSlice.pos() = row.pos(); // Set the row on which the cursor lives. setCurrentRowSlice(rowSlice); // Current x position of the cursor in pixels - int const cur_x = getPos(d->cursor_).x_; + int cur_x = getPos(d->cursor_).x_; + + // If cursor offset is left margin and offset is not the leftmost + // position of the row, there is a cache problem. + if (cur_x == row.left_margin && !row.empty() + && d->cursor_.pos() != row.front().left_pos()) { + /** 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 should be found and this code should be removed. + */ + // 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(), d->cursor_.bottom().pit(), row, + -d->horiz_scroll_offset_, 0); + rp.paintText(); + pi.pain.setDrawingEnabled(drawing); + + // Recompute current Current x position of the cursor in pixels + cur_x = getPos(d->cursor_).x_; + } // Horizontal scroll offset of the cursor row in pixels int offset = d->horiz_scroll_offset_; - int const MARGIN = Length(2, Length::EM).inPixels(pi.base); - if (cur_x < offset + MARGIN) { - // scroll right - offset = cur_x - MARGIN; - } else if (cur_x > offset + workWidth() - MARGIN) { - // scroll left - offset = cur_x - workWidth() + MARGIN; + int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em() + + row.right_margin; + if (row.right_x() <= workWidth() - row.right_margin) { + // Row is narrower than the work area, no offset needed. + offset = 0; + } else { + if (cur_x - offset < MARGIN) { + // cursor would be too far right + offset = cur_x - MARGIN; + } else if (cur_x - offset > workWidth() - MARGIN) { + // cursor would be too far left + offset = cur_x - workWidth() + MARGIN; + } + // Correct the offset to make sure that we do not scroll too much + if (offset < 0) + offset = 0; + if (row.right_x() - offset < workWidth() - row.right_margin) + offset = row.right_x() - workWidth() + row.right_margin; } - if (offset < row.left_margin || row.width() <= workWidth()) - offset = 0; + //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl; if (offset != d->horiz_scroll_offset_) LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "