]> git.lyx.org Git - lyx.git/blobdiff - src/rowpainter.C
cosmetic fix
[lyx.git] / src / rowpainter.C
index 8a738fdc412bb009f37fd53dbcac2661e798fc4e..e4cdfb3e856c6af17a50d1f7687cb843ba41cb86 100644 (file)
@@ -11,8 +11,6 @@
 
 #include <config.h>
 
-#include <algorithm>
-
 #include "frontends/Painter.h"
 #include "frontends/screen.h"
 #include "frontends/font_metrics.h"
@@ -23,6 +21,7 @@
 
 #include "insets/insettext.h"
 #include "ParagraphParameters.h"
+#include "debug.h"
 #include "BufferView.h"
 #include "buffer.h"
 #include "gettext.h"
 #include "rowpainter.h"
 #include "lyxrc.h"
 #include "lyxrow_funcs.h"
+#include "metricsinfo.h"
+
+#include <algorithm>
+
+using namespace lyx::support;
 
 using std::max;
 using lyx::pos_type;
@@ -51,12 +55,84 @@ BufferView * perv(BufferView const & bv)
        return const_cast<BufferView *>(&bv);
 }
 
-} // namespace anon
-
-
-RowPainter::RowPainter(BufferView const & bv,
-                      LyXText const & text, RowList::iterator rit)
-       : bv_(bv), pain_(bv_.painter()), text_(text), row_(rit), pit_(rit->par())
+/**
+ * A class used for painting an individual row of text.
+ */
+class RowPainter {
+public:
+       /// initialise painter
+       RowPainter(BufferView const & bv, LyXText const & text,
+               RowList::iterator rit, int y_offset, int x_offset, int y);
+
+       /// do the painting
+       void paint();
+private:
+       // paint various parts
+       void paintBackground();
+       void paintSelection();
+       void paintAppendix();
+       void paintDepthBar();
+       void paintChangeBar();
+       void paintFirst();
+       void paintLast();
+       void paintForeignMark(int orig_x, LyXFont const & orig_font);
+       void paintHebrewComposeChar(lyx::pos_type & vpos);
+       void paintArabicComposeChar(lyx::pos_type & vpos);
+       void paintChars(lyx::pos_type & vpos, bool hebrew, bool arabic);
+       int paintPageBreak(string const & label, int y);
+       int paintAppendixStart(int y);
+       int paintLengthMarker(string const & prefix, VSpace const & vsp, int start);
+       void paintText();
+       void paintFromPos(lyx::pos_type & vpos);
+       void paintInset(lyx::pos_type const pos);
+
+       /// return left margin
+       int leftMargin() const;
+
+       /// return the font at the given pos
+       LyXFont const getFont(lyx::pos_type pos) const;
+
+       /// return the label font for this row
+       LyXFont const getLabelFont() const;
+
+       char const transformChar(char c, lyx::pos_type pos) const;
+
+       /// return pixel width for the given pos
+       int singleWidth(lyx::pos_type pos) const;
+       int singleWidth(lyx::pos_type pos, char c) const;
+
+       /// bufferview to paint on
+       BufferView const & bv_;
+
+       /// Painter to use
+       Painter & pain_;
+
+       /// LyXText for the row
+       LyXText const & text_;
+
+       /// The row to paint
+       RowList::iterator row_;
+
+       /// Row's paragraph
+       mutable ParagraphList::iterator  pit_;
+
+       // Looks ugly - is
+       int xo_;
+       int yo_;
+       int x_;
+       int y_;
+       int width_;
+       int separator_;
+       int hfill_;
+       int label_hfill_;
+};
+
+RowPainter::RowPainter(BufferView const & bv, LyXText const & text,
+     RowList::iterator rit,
+     int y_offset, int x_offset, int y)
+       : bv_(bv), pain_(bv_.painter()), text_(text), row_(rit),
+         pit_(rit->par()),
+               xo_(x_offset), yo_(y_offset), y_(y)
 {}
 
 
@@ -99,16 +175,15 @@ int RowPainter::leftMargin() const
 
 void RowPainter::paintInset(pos_type const pos)
 {
-       Inset * inset = const_cast<Inset*>(pit_->getInset(pos));
-
-       lyx::Assert(inset);
+       InsetOld * inset = const_cast<InsetOld*>(pit_->getInset(pos));
 
-       LyXFont const & font = getFont(pos);
+       Assert(inset);
 
-#warning inset->update FIXME
-       inset->update(perv(bv_), false);
-
-       inset->draw(perv(bv_), font, yo_ + row_->baseline(), x_);
+       PainterInfo pi(perv(bv_));
+       pi.base.font = getFont(pos);
+#warning metrics?
+       inset->draw(pi, int(x_), yo_ + row_->baseline());
+       x_ += inset->width();
 }
 
 
@@ -182,7 +257,7 @@ void RowPainter::paintChars(pos_type & vpos, bool hebrew, bool arabic)
 {
        pos_type pos = text_.vis2log(vpos);
        pos_type const last = lastPrintablePos(text_, row_);
-       LyXFont orig_font(getFont(pos));
+       LyXFont orig_font = getFont(pos);
 
        // first character
        string str;
@@ -231,12 +306,14 @@ void RowPainter::paintChars(pos_type & vpos, bool hebrew, bool arabic)
        }
 
        // Draw text and set the new x position
+       //lyxerr << "paint row: yo_ " << yo_ << " baseline: " << row_->baseline()
+       //      << "\n";
        pain_.text(int(x_), yo_ + row_->baseline(), str, orig_font);
        x_ += font_metrics::width(str, orig_font);
 }
 
 
-void RowPainter::paintForeignMark(float const orig_x, LyXFont const & orig_font)
+void RowPainter::paintForeignMark(int orig_x, LyXFont const & orig_font)
 {
        if (!lyxrc.mark_foreign_language)
                return;
@@ -256,7 +333,7 @@ void RowPainter::paintFromPos(pos_type & vpos)
 
        LyXFont const & orig_font = getFont(pos);
 
-       float const orig_x = x_;
+       int const orig_x = x_;
 
        char const c = pit_->getChar(pos);
 
@@ -311,8 +388,8 @@ void RowPainter::paintSelection()
        int const endx = text_.selection.end.x();
        int const starty = text_.selection.start.y();
        int const endy = text_.selection.end.y();
-       RowList::iterator startrow = text_.selection.start.row();
-       RowList::iterator endrow = text_.selection.end.row();
+       RowList::iterator startrow = text_.getRow(text_.selection.start);
+       RowList::iterator endrow = text_.getRow(text_.selection.end);
 
        if (text_.bidi_same_direction) {
                int x;
@@ -356,11 +433,11 @@ void RowPainter::paintSelection()
 
        pos_type const body_pos = pit_->beginningOfBody();
        pos_type const last = lastPrintablePos(text_, row_);
-       float tmpx = x_;
+       int tmpx = x_;
 
        for (pos_type vpos = row_->pos(); vpos <= last; ++vpos)  {
                pos_type pos = text_.vis2log(vpos);
-               float const old_tmpx = tmpx;
+               int const old_tmpx = tmpx;
                if (body_pos > 0 && pos == body_pos - 1) {
                        LyXLayout_ptr const & layout = pit_->layout();
                        LyXFont const lfont = getLabelFont();
@@ -449,8 +526,10 @@ void RowPainter::paintDepthBar()
        if (row_ != text_.rows().begin())
                prev_depth = boost::prior(row_)->par()->getDepth();
        Paragraph::depth_type next_depth = 0;
-       if (boost::next(row_) != text_.rows().end())
-               next_depth = boost::next(row_)->par()->getDepth();
+
+       RowList::iterator next_row = boost::next(row_);
+       if (next_row != text_.rows().end())
+               next_depth = next_row->par()->getDepth();
 
        for (Paragraph::depth_type i = 1; i <= depth; ++i) {
                int x = (PAPER_MARGIN / 5) * i + xo_;
@@ -473,27 +552,6 @@ void RowPainter::paintDepthBar()
 }
 
 
-int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp)
-{
-       if (vsp.kind() == VSpace::NONE)
-               return 0;
-
-       int const arrow_size = 4;
-       int const space_size = int(vsp.inPixels(bv));
-
-       LyXFont font;
-       font.decSize();
-       int const min_size = max(3 * arrow_size,
-               font_metrics::maxAscent(font)
-               + font_metrics::maxDescent(font));
-
-       if (vsp.length().len().value() < 0.0)
-               return min_size;
-       else
-               return max(min_size, space_size);
-}
-
-
 int RowPainter::paintLengthMarker(string const & prefix, VSpace const & vsp, int start)
 {
        if (vsp.kind() == VSpace::NONE)
@@ -654,12 +712,11 @@ void RowPainter::paintFirst()
 
        // draw a top line
        if (parparams.lineTop()) {
-               LyXFont font(LyXFont::ALL_SANE);
                int const asc = font_metrics::ascent('x', getFont(0));
 
                y_top += asc;
 
-               int const w = (text_.isInInset() ? text_.inset_owner->width(perv(bv_), font) : ww);
+               int const w = (text_.isInInset() ? text_.inset_owner->width() : ww);
                int const xp = static_cast<int>(text_.isInInset() ? xo_ : 0);
                pain_.line(xp, yo_ + y_top, xp + w, yo_ + y_top,
                        LColor::topline, Painter::line_solid,
@@ -678,7 +735,7 @@ void RowPainter::paintFirst()
 
                LyXFont font = getLabelFont();
                if (!pit_->getLabelstring().empty()) {
-                       float x = x_;
+                       int x = x_;
                        string const str = pit_->getLabelstring();
 
                        // this is special code for the chapter layout. This is
@@ -702,7 +759,7 @@ void RowPainter::paintFirst()
                                                        font_metrics::width(str, font);
                                        }
 
-                                       pain_.text(int(x),
+                                       pain_.text(x,
                                                yo_ + row_->baseline() -
                                                row_->ascent_of_text() - maxdesc,
                                                str, font);
@@ -716,7 +773,7 @@ void RowPainter::paintFirst()
                                                - font_metrics::width(str, font);
                                }
 
-                               pain_.text(int(x), yo_ + row_->baseline(), str, font);
+                               pain_.text(x, yo_ + row_->baseline(), str, font);
                        }
                }
 
@@ -740,7 +797,7 @@ void RowPainter::paintFirst()
                                int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
                                + (layout->labelbottomsep * defaultRowHeight()));
 
-                       float x = x_;
+                       int x = x_;
                        if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
                                x = ((is_rtl ? leftMargin() : x_)
                                         + ww - text_.rightMargin(*bv_.buffer(), *row_)) / 2;
@@ -749,7 +806,7 @@ void RowPainter::paintFirst()
                                x = ww - leftMargin() -
                                        font_metrics::width(str, font);
                        }
-                       pain_.text(int(x), yo_ + row_->baseline()
+                       pain_.text(x, yo_ + row_->baseline()
                                  - row_->ascent_of_text() - maxdesc,
                                  str, font);
                }
@@ -781,13 +838,12 @@ void RowPainter::paintLast()
 
        // draw a bottom line
        if (parparams.lineBottom()) {
-               LyXFont font(LyXFont::ALL_SANE);
                int const asc = font_metrics::ascent('x',
                        getFont(max(pos_type(0), pit_->size() - 1)));
 
                y_bottom -= asc;
 
-               int const w = (text_.isInInset() ? text_.inset_owner->width(perv(bv_), font) : ww);
+               int const w = text_.isInInset() ? text_.inset_owner->width() : ww;
                int const xp = static_cast<int>(text_.isInInset() ? xo_ : 0);
                int const y = yo_ + y_bottom;
                pain_.line(xp, y, xp + w, y, LColor::topline, Painter::line_solid,
@@ -821,15 +877,10 @@ void RowPainter::paintLast()
        }
        case END_LABEL_STATIC:
        {
-#if 0
-               LyXFont font(LyXFont::ALL_SANE);
-               font = getLabelFont();
-#else
                LyXFont font = getLabelFont();
-#endif
                string const & str = pit_->layout()->endlabelstring();
                int const x = is_rtl ?
-                       int(x_) - font_metrics::width(str, font)
+                       x_ - font_metrics::width(str, font)
                        : ww - text_.rightMargin(*bv_.buffer(), *row_) - row_->fill();
                pain_.text(x, yo_ + row_->baseline(), str, font);
                break;
@@ -854,7 +905,7 @@ void RowPainter::paintText()
 
        bool running_strikeout = false;
        bool is_struckout = false;
-       float last_strikeout_x = 0.0;
+       int last_strikeout_x = 0;
 
        pos_type vpos = row_->pos();
        while (vpos <= last) {
@@ -888,7 +939,7 @@ void RowPainter::paintText()
                if (running_strikeout && (highly_editable_inset || !is_struckout)) {
                        int const middle = yo_ + row_->top_of_text()
                                + ((row_->baseline() - row_->top_of_text()) / 2);
-                       pain_.line(int(last_strikeout_x), middle, int(x_), middle,
+                       pain_.line(last_strikeout_x, middle, x_, middle,
                                LColor::strikeout, Painter::line_solid, Painter::line_thin);
                        running_strikeout = false;
                }
@@ -897,8 +948,7 @@ void RowPainter::paintText()
                        int const lwidth = font_metrics::width(layout->labelsep,
                                getLabelFont());
 
-                       x_ += label_hfill_ + lwidth
-                               - singleWidth(body_pos - 1);
+                       x_ += label_hfill_ + lwidth - singleWidth(body_pos - 1);
                }
 
                if (pit_->isHfill(pos)) {
@@ -907,28 +957,24 @@ void RowPainter::paintText()
                        int const y0 = yo_ + row_->baseline();
                        int const y1 = y0 - defaultRowHeight() / 2;
 
-                       pain_.line(int(x_), y1, int(x_), y0,
-                                    LColor::added_space);
+                       pain_.line(x_, y1, x_, y0, LColor::added_space);
 
                        if (hfillExpansion(text_, row_, pos)) {
                                int const y2 = (y0 + y1) / 2;
 
                                if (pos >= body_pos) {
-                                       pain_.line(int(x_), y2,
-                                                 int(x_ + hfill_), y2,
+                                       pain_.line(x_, y2, x_ + hfill_, y2,
                                                  LColor::added_space,
                                                  Painter::line_onoffdash);
                                        x_ += hfill_;
                                } else {
-                                       pain_.line(int(x_), y2,
-                                                 int(x_ + label_hfill_), y2,
+                                       pain_.line(x_, y2,
+                                                 x_ + label_hfill_, y2,
                                                  LColor::added_space,
                                                  Painter::line_onoffdash);
                                        x_ += label_hfill_;
                                }
-                               pain_.line(int(x_), y1,
-                                            int(x_), y0,
-                                            LColor::added_space);
+                               pain_.line(x_, y1, x_, y0, LColor::added_space);
                        }
                        x_ += 2;
                        ++vpos;
@@ -946,7 +992,7 @@ void RowPainter::paintText()
        if (running_strikeout) {
                int const middle = yo_ + row_->top_of_text()
                        + ((row_->baseline() - row_->top_of_text()) / 2);
-               pain_.line(int(last_strikeout_x), middle, int(x_), middle,
+               pain_.line(last_strikeout_x, middle, x_, middle,
                        LColor::strikeout, Painter::line_solid, Painter::line_thin);
                running_strikeout = false;
        }
@@ -954,20 +1000,16 @@ void RowPainter::paintText()
 }
 
 
-void RowPainter::paint(int y_offset, int x_offset, int y)
+void RowPainter::paint()
 {
-       xo_ = x_offset;
-       yo_ = y_offset;
-       y_ = y;
-       width_ = text_.isInInset()
-               ? text_.inset_owner->textWidth(perv(bv_), true) : bv_.workWidth();
+       width_ = text_.workWidth();
 
        // FIXME: must be a cleaner way here. Aren't these calculations
        // belonging to row metrics ?
        text_.prepareToPrint(row_, x_, separator_, hfill_, label_hfill_);
 
        // FIXME: what is this fixing ?
-       if (text_.isInInset() && (x_ < 0))
+       if (text_.isInInset() && x_ < 0)
                x_ = 0;
        x_ += xo_;
 
@@ -1001,3 +1043,63 @@ void RowPainter::paint(int y_offset, int x_offset, int y)
        // paint text
        paintText();
 }
+
+
+} // namespace anon
+
+
+int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp)
+{
+       if (vsp.kind() == VSpace::NONE)
+               return 0;
+
+       int const arrow_size = 4;
+       int const space_size = vsp.inPixels(bv);
+
+       LyXFont font;
+       font.decSize();
+       int const min_size = max(3 * arrow_size,
+               font_metrics::maxAscent(font)
+               + font_metrics::maxDescent(font));
+
+       if (vsp.length().len().value() < 0.0)
+               return min_size;
+       else
+               return max(min_size, space_size);
+}
+
+
+void paintRows(BufferView const & bv, LyXText const & text,
+       RowList::iterator rit, int y_offset, int x_offset, int y)
+{
+       // fix up missing metrics() call for main LyXText
+       // calling metrics() directly is (a) slow and (b) crashs
+       if (&text == bv.text) {
+#if 1
+               // make sure all insets are updated
+               ParagraphList::iterator pit = text.ownerParagraphs().begin();
+               ParagraphList::iterator end = text.ownerParagraphs().end();
+
+               // compute inset metrics
+               for (; pit != end; ++pit) {
+                       InsetList & insetList = pit->insetlist;
+                       InsetList::iterator ii = insetList.begin();
+                       InsetList::iterator iend = insetList.end();
+                       for (; ii != iend; ++ii) {
+                               Dimension dim;
+                               LyXFont font;
+                               MetricsInfo mi(perv(bv), font, text.workWidth());
+                               ii->inset->metrics(mi, dim);
+                       }
+               }
+#else
+               LyXFont font;
+               Dimension dim;
+               MetricsInfo mi(perv(bv), font, text.workWidth());
+               const_cast<LyXText&>(text).metrics(mi, dim);
+#endif
+       }
+
+       RowPainter painter(bv, text, rit, y_offset, x_offset, y);
+       painter.paint();
+}