]> git.lyx.org Git - lyx.git/blobdiff - src/TextMetrics.cpp
Fix dialog handling of Insert Plain Text
[lyx.git] / src / TextMetrics.cpp
index 1e317ba6e555590454773dc6c8768a12cabd6f26..a5b0a8c12b7acdddffa08b5828e47c564dd22f6b 100644 (file)
@@ -25,6 +25,7 @@
 #include "BufferParams.h"
 #include "BufferView.h"
 #include "CoordCache.h"
+#include "Cursor.h"
 #include "CutAndPaste.h"
 #include "debug.h"
 #include "FontIterator.h"
@@ -39,6 +40,7 @@
 #include "ParIterator.h"
 #include "rowpainter.h"
 #include "Text.h"
+#include "TextClass.h"
 #include "VSpace.h"
 
 #include "mathed/MacroTable.h"
@@ -357,7 +359,6 @@ bool TextMetrics::redoParagraph(pit_type const pit)
        pm.reset(par);
 
        Buffer & buffer = bv_->buffer();
-       BufferParams const & bparams = buffer.params();
        main_text_ = (text_ == &buffer.text());
        bool changed = false;
 
@@ -369,11 +370,11 @@ bool TextMetrics::redoParagraph(pit_type const pit)
        // when layout is set; when material is pasted.
        int const moveCursor = par.checkBiblio(buffer.params().trackChanges);
        if (moveCursor > 0)
-               const_cast<Cursor &>(bv_->cursor()).posRight();
+               const_cast<Cursor &>(bv_->cursor()).posForward();
        else if (moveCursor < 0) {
                Cursor & cursor = const_cast<Cursor &>(bv_->cursor());
                if (cursor.pos() >= -moveCursor)
-                       cursor.posLeft();
+                       cursor.posBackward();
        }
 
        // Optimisation: this is used in the next two loops
@@ -475,7 +476,6 @@ bool TextMetrics::redoParagraph(pit_type const pit)
                row.setDimension(dim);
                int const max_row_width = max(dim_.wid, dim.wid);
                computeRowMetrics(pit, row, max_row_width);
-               pm.computeRowSignature(row, bparams);
                first = end;
                ++row_index;
 
@@ -500,7 +500,6 @@ bool TextMetrics::redoParagraph(pit_type const pit)
                row.setDimension(dim);
                int const max_row_width = max(dim_.wid, dim.wid);
                computeRowMetrics(pit, row, max_row_width);
-               pm.computeRowSignature(row, bparams);
                pm.dim().des += dim.height();
        }
 
@@ -1223,10 +1222,8 @@ void TextMetrics::newParMetricsUp()
 pit_type TextMetrics::getPitNearY(int y)
 {
        BOOST_ASSERT(!text_->paragraphs().empty());
-       LYXERR(Debug::DEBUG)
-               << BOOST_CURRENT_FUNCTION
-               << ": y: " << y << " cache size: " << par_metrics_.size()
-               << endl;
+       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+               << ": y: " << y << " cache size: " << par_metrics_.size());
 
        // look for highest numbered paragraph with y coordinate less than given y
        pit_type pit = 0;
@@ -1270,11 +1267,9 @@ pit_type TextMetrics::getPitNearY(int y)
        }
 
        for (; it != et; ++it) {
-               LYXERR(Debug::DEBUG)
-                       << BOOST_CURRENT_FUNCTION
+               LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
                        << "  examining: pit: " << it->first
-                       << " y: " << it->second.position()
-                       << endl;
+                       << " y: " << it->second.position());
 
                ParagraphMetrics const & pm = par_metrics_[it->first];
 
@@ -1284,10 +1279,8 @@ pit_type TextMetrics::getPitNearY(int y)
                }
        }
 
-       LYXERR(Debug::DEBUG)
-               << BOOST_CURRENT_FUNCTION
-               << ": found best y: " << yy << " for pit: " << pit
-               << endl;
+       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+               << ": found best y: " << yy << " for pit: " << pit);
 
        return pit;
 }
@@ -1376,12 +1369,8 @@ void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const
        ParagraphMetrics const & pm = par_metrics_[pit];
 
        int yy = pm.position() - pm.ascent();
-       LYXERR(Debug::DEBUG)
-               << BOOST_CURRENT_FUNCTION
-               << ": x: " << x
-               << " y: " << y
-               << " pit: " << pit
-               << " yy: " << yy << endl;
+       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+               << ": x: " << x << " y: " << y << " pit: " << pit << " yy: " << yy);
 
        int r = 0;
        BOOST_ASSERT(pm.rows().size());
@@ -1394,21 +1383,15 @@ void TextMetrics::setCursorFromCoordinates(Cursor & cur, int const x, int const
 
        Row const & row = pm.rows()[r];
 
-       LYXERR(Debug::DEBUG)
-               << BOOST_CURRENT_FUNCTION
-               << ": row " << r
-               << " from pos: " << row.pos()
-               << endl;
+       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+               << ": row " << r << " from pos: " << row.pos());
 
        bool bound = false;
        int xx = x;
        pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
 
-       LYXERR(Debug::DEBUG)
-               << BOOST_CURRENT_FUNCTION
-               << ": setting cursor pit: " << pit
-               << " pos: " << pos
-               << endl;
+       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+               << ": setting cursor pit: " << pit << " pos: " << pos);
 
        text_->setCursor(cur, pit, pos, true, bound);
        // remember new position.
@@ -1425,51 +1408,41 @@ Inset * TextMetrics::checkInsetHit(int x, int y)
        Paragraph const & par = text_->paragraphs()[pit];
        ParagraphMetrics const & pm = par_metrics_[pit];
 
-       LYXERR(Debug::DEBUG)
-               << BOOST_CURRENT_FUNCTION
-               << ": x: " << x
-               << " y: " << y
-               << "  pit: " << pit
-               << endl;
+       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+               << ": x: " << x << " y: " << y << "  pit: " << pit);
+
        InsetList::const_iterator iit = par.insetList().begin();
        InsetList::const_iterator iend = par.insetList().end();
        for (; iit != iend; ++iit) {
                Inset * inset = iit->inset;
 
-               LYXERR(Debug::DEBUG)
-                       << BOOST_CURRENT_FUNCTION
-                       << ": examining inset " << inset << endl;
+               LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+                       << ": examining inset " << inset);
 
                if (!bv_->coordCache().getInsets().has(inset)) {
-                       LYXERR(Debug::DEBUG)
-                               << BOOST_CURRENT_FUNCTION
-                               << ": inset has no cached position" << endl;
+                       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+                               << ": inset has no cached position");
                        return 0;
                }
 
                Dimension const & dim = pm.insetDimension(inset);
                Point p = bv_->coordCache().getInsets().xy(inset);
 
-               LYXERR(Debug::DEBUG)
-                       << BOOST_CURRENT_FUNCTION
+               LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
                        << ": xo: " << p.x_ << "..." << p.x_ + dim.wid
-                       << " yo: " << p.y_ - dim.asc << "..." << p.y_ + dim.des
-                       << endl;
+                       << " yo: " << p.y_ - dim.asc << "..." << p.y_ + dim.des);
 
                if (x >= p.x_
                        && x <= p.x_ + dim.wid
                        && y >= p.y_ - dim.asc
                        && y <= p.y_ + dim.des) {
-                       LYXERR(Debug::DEBUG)
-                               << BOOST_CURRENT_FUNCTION
-                               << ": Hit inset: " << inset << endl;
+                       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION
+                               << ": Hit inset: " << inset);
                        return inset;
                }
        }
 
-       LYXERR(Debug::DEBUG)
-               << BOOST_CURRENT_FUNCTION
-               << ": No inset hit. " << endl;
+       LYXERR(Debug::DEBUG, BOOST_CURRENT_FUNCTION << ": No inset hit. ");
        return 0;
 }
 
@@ -1886,7 +1859,6 @@ int TextMetrics::singleWidth(pit_type pit, pos_type pos) const
 }
 
 
-// only used for inset right now. should also be used for main text
 void TextMetrics::draw(PainterInfo & pi, int x, int y) const
 {
        if (par_metrics_.empty())
@@ -1912,72 +1884,72 @@ void TextMetrics::draw(PainterInfo & pi, int x, int y) const
 
 void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const
 {
-//     lyxerr << "  paintPar: pit: " << pit << " at y: " << y << endl;
-       int const ww = bv_->workHeight();
-
+       BufferParams const & bparams = bv_->buffer().params();
        ParagraphMetrics const & pm = par_metrics_[pit];
        if (pm.rows().empty())
                return;
 
-       RowList::const_iterator const rb = pm.rows().begin();
-       RowList::const_iterator const re = pm.rows().end();
-
        Bidi bidi;
+       bool const original_drawing_state = pi.pain.isDrawingEnabled();
+       int const ww = bv_->workHeight();
+       size_t const nrows = pm.rows().size();
+
+       for (size_t i = 0; i != nrows; ++i) {
 
-       y -= rb->ascent();
-       for (RowList::const_iterator rit = rb; rit != re; ++rit) {
-               y += rit->ascent();
+               Row const & row = pm.rows()[i];
+               if (i)
+                       y += row.ascent();
 
-               bool const inside = (y + rit->descent() >= 0
-                       && y - rit->ascent() < ww);
-               // it is not needed to draw on screen if we are not inside.
-               pi.pain.setDrawingEnabled(inside);
-               RowPainter rp(pi, *text_, pit, *rit, bidi, x, y);
+               bool const inside = (y + row.descent() >= 0
+                       && y - row.ascent() < ww);
+               // It is not needed to draw on screen if we are not inside.
+               pi.pain.setDrawingEnabled(inside && original_drawing_state);
+               RowPainter rp(pi, *text_, pit, row, bidi, x, y);
 
                // Row signature; has row changed since last paint?
-               bool row_has_changed = rit->changed();
+               row.setCrc(pm.computeRowSignature(row, bparams));
+               bool row_has_changed = row.changed();
                
-               bool row_selection = rit->sel_beg != -1 && rit->sel_end != -1;
-
-               if (!row_selection && !pi.full_repaint && !row_has_changed) {
-                       // Paint the only the insets if the text itself is
+               // Don't paint the row if a full repaint has not been requested
+               // and if it has not changed.
+               if (!pi.full_repaint && !row_has_changed) {
+                       // Paint only the insets if the text itself is
                        // unchanged.
                        rp.paintOnlyInsets();
-                       y += rit->descent();
+                       y += row.descent();
                        continue;
                }
 
-               // Paint the row if a full repaint has been requested or it has
-               // changed.
-               // Clear background of this row
-               // (if paragraph background was not cleared)
-               if (row_selection || (!pi.full_repaint && row_has_changed)) {
-                       pi.pain.fillRectangle(x, y - rit->ascent(),
-                               width(), rit->height(), pi.background_color);
+               // Clear background of this row if paragraph background was not
+               // already cleared because of a full repaint.
+               if (!pi.full_repaint && row_has_changed) {
+                       pi.pain.fillRectangle(x, y - row.ascent(),
+                               width(), row.height(), pi.background_color);
                }
+
+               bool row_selection = row.sel_beg != -1 && row.sel_end != -1;
                if (row_selection) {
                        DocIterator beg = bv_->cursor().selectionBegin();
                        DocIterator end = bv_->cursor().selectionEnd();
+                       bool const beg_margin = beg.pit() < pit && i == 0;
+                       bool const end_margin = end.pit() > pit && i == nrows - 1;
                        beg.pit() = pit;
-                       beg.pos() = rit->sel_beg;
-                       if (pit == end.pit()) {
-                               end.pos() = rit->sel_end;
-                       } else {
-                               end.pit() = pit + 1;
-                               end.pos() = 0;
-                       }
-                       drawSelection(pi, beg, end, x);
+                       beg.pos() = row.sel_beg;
+                       end.pit() = pit;
+                       end.pos() = row.sel_end;
+                       drawRowSelection(pi, x, row, beg, end, beg_margin, end_margin);
                }
 
                // Instrumentation for testing row cache (see also
                // 12 lines lower):
-               if (lyxerr.debugging(Debug::PAINTING)) {
-                       if (text_->isMainText(bv_->buffer()))
-                               LYXERR(Debug::PAINTING) << "\n{" << inside <<
-                               pi.full_repaint << row_has_changed << "}";
-                       else
-                               LYXERR(Debug::PAINTING) << "[" << inside <<
-                               pi.full_repaint << row_has_changed << "]";
+               if (lyxerr.debugging(Debug::PAINTING) && inside
+                       && (row_selection || pi.full_repaint || row_has_changed)) {
+                               std::string const foreword = text_->isMainText(bv_->buffer()) ?
+                                       "main text redraw " : "inset text redraw: ";
+                       LYXERR(Debug::PAINTING, foreword << "pit=" << pit << " row=" << i
+                               << " row_selection="    << row_selection
+                               << " full_repaint="     << pi.full_repaint
+                               << " row_has_changed="  << row_has_changed);
                }
 
                // Backup full_repaint status and force full repaint
@@ -1987,81 +1959,22 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) co
                rp.paintAppendix();
                rp.paintDepthBar();
                rp.paintChangeBar();
-               if (rit == rb)
+               if (i == 0)
                        rp.paintFirst();
                rp.paintText();
-               if (rit + 1 == re)
+               if (i == nrows - 1)
                        rp.paintLast();
-               y += rit->descent();
+               y += row.descent();
                // Restore full_repaint status.
                pi.full_repaint = tmp;
        }
        // Re-enable screen drawing for future use of the painter.
-       pi.pain.setDrawingEnabled(true);
+       pi.pain.setDrawingEnabled(original_drawing_state);
 
        //LYXERR(Debug::PAINTING) << "." << endl;
 }
 
 
-// FIXME: only take care of one row!
-void TextMetrics::drawSelection(PainterInfo & pi,
-       DocIterator const & beg, DocIterator const & end, int x) const
-{
-       ParagraphMetrics const & pm1 = parMetrics(beg.pit());
-       ParagraphMetrics const & pm2 = parMetrics(end.pit());
-       Row const & row1 = pm1.getRow(beg.pos(), beg.boundary());
-       Row const & row2 = pm2.getRow(end.pos(), end.boundary());
-
-       // clip above
-       int middleTop;
-       bool const clipAbove = (bv_->cursorStatus(beg) == CUR_ABOVE);
-       if (clipAbove)
-               middleTop = 0;
-       else
-               middleTop = bv_->getPos(beg, beg.boundary()).y_ + row1.descent();
-       
-       // clip below
-       int middleBottom;
-       bool const clipBelow = (bv_->cursorStatus(end) == CUR_BELOW);
-       if (clipBelow)
-               middleBottom = bv_->workHeight();
-       else
-               middleBottom = bv_->getPos(end, end.boundary()).y_ - row2.ascent();
-
-       // start and end in the same line?
-       if (!clipAbove && !clipBelow && &row1 == &row2)
-               // then only draw this row's selection
-               drawRowSelection(pi, x, row1, beg, end, false, false);
-       else {
-               if (!clipAbove) {
-                       // get row end
-                       DocIterator begRowEnd = beg;
-                       begRowEnd.pos() = row1.endpos();
-                       begRowEnd.boundary(true);
-                       
-                       // draw upper rectangle
-                       drawRowSelection(pi, x, row1, beg, begRowEnd, false, true);
-               }
-                       
-               if (middleTop < middleBottom) {
-                       // draw middle rectangle
-                       pi.pain.fillRectangle(x, middleTop, width(), middleBottom - middleTop,
-                               Color_selection);
-               }
-
-               if (!clipBelow) {
-                       // get row begin
-                       DocIterator endRowBeg = end;
-                       endRowBeg.pos() = row2.pos();
-                       endRowBeg.boundary(false);
-                       
-                       // draw low rectangle
-                       drawRowSelection(pi, x, row2, endRowBeg, end, true, false);
-               }
-       }
-}
-
-
 void TextMetrics::drawRowSelection(PainterInfo & pi, int x, Row const & row,
                DocIterator const & beg, DocIterator const & end,
                bool drawOnBegMargin, bool drawOnEndMargin) const