#include "Bidi.h"
#include "Buffer.h"
#include "CoordCache.h"
+#include "Color.h"
#include "Cursor.h"
#include "debug.h"
#include "BufferParams.h"
#include "Encoding.h"
#include "gettext.h"
#include "Language.h"
-#include "Color.h"
+#include "Layout.h"
#include "LyXRC.h"
#include "Row.h"
#include "MetricsInfo.h"
#include <boost/crc.hpp>
-
-namespace lyx {
-
-using frontend::Painter;
-using frontend::FontMetrics;
-
using std::endl;
using std::max;
using std::string;
-namespace {
-
-/// Flag: do a full redraw of inside text of inset
-/// Working variable indicating a full screen refresh
-bool refreshInside;
-
-/**
- * A class used for painting an individual row of text.
- */
-class RowPainter {
-public:
- /// initialise and run painter
- RowPainter(PainterInfo & pi, Text const & text,
- pit_type pit, Row const & row, Bidi & bidi, int x, int y);
-
- // paint various parts
- void paintAppendix();
- void paintDepthBar();
- void paintChangeBar();
- void paintFirst();
- void paintLast();
- void paintText();
- int maxWidth() { return max_width_; }
-
-private:
- void paintForeignMark(double orig_x, Font const & font, int desc = 0);
- void paintHebrewComposeChar(pos_type & vpos, Font const & font);
- void paintArabicComposeChar(pos_type & vpos, Font const & font);
- void paintChars(pos_type & vpos, Font const & font,
- bool hebrew, bool arabic);
- int paintAppendixStart(int y);
- void paintFromPos(pos_type & vpos);
- void paintInset(pos_type const pos, Font const & font);
-
- /// return left margin
- int leftMargin() const;
-
- /// return the label font for this row
- Font const getLabelFont() const;
-
- /// bufferview to paint on
- BufferView & bv_;
-
- /// Painter to use
- Painter & pain_;
-
- /// Text for the row
- Text const & text_;
- TextMetrics & text_metrics_;
- ParagraphList const & pars_;
-
- /// The row to paint
- Row const & row_;
-
- /// Row's paragraph
- pit_type const pit_;
- Paragraph const & par_;
- ParagraphMetrics const & pm_;
- int max_width_;
-
- /// bidi cache, comes from outside the rowpainter because
- /// rowpainters are normally created in a for loop and there only
- /// one of them is active at a time.
- Bidi & bidi_;
-
- /// is row erased? (change tracking)
- bool erased_;
-
- // Looks ugly - is
- double const xo_;
- int const yo_; // current baseline
- double x_;
- int width_;
- double separator_;
- double hfill_;
- double label_hfill_;
-};
+namespace lyx {
+using frontend::Painter;
+using frontend::FontMetrics;
RowPainter::RowPainter(PainterInfo & pi,
Text const & text, pit_type pit, Row const & row, Bidi & bidi, int x, int y)
- : bv_(*pi.base.bv), pain_(pi.pain), text_(text),
- text_metrics_(pi.base.bv->textMetrics(&text)),
+ : pi_(pi), text_(text),
+ text_metrics_(pi_.base.bv->textMetrics(&text)),
pars_(text.paragraphs()),
row_(row), pit_(pit), par_(text.paragraphs()[pit]),
pm_(text_metrics_.parMetrics(pit)),
- max_width_(bv_.workWidth()),
- bidi_(bidi), erased_(pi.erased_),
+ bidi_(bidi), erased_(pi_.erased_),
xo_(x), yo_(y), width_(text_metrics_.width())
{
- RowMetrics m = text_metrics_.computeRowMetrics(pit_, row_);
- bidi_.computeTables(par_, bv_.buffer(), row_);
- x_ = m.x + xo_;
+ bidi_.computeTables(par_, pi_.base.bv->buffer(), row_);
+ x_ = row_.x + xo_;
//lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
//row_.dump();
- separator_ = m.separator;
- hfill_ = m.hfill;
- label_hfill_ = m.label_hfill;
-
BOOST_ASSERT(pit >= 0);
BOOST_ASSERT(pit < int(text.paragraphs().size()));
}
Font const RowPainter::getLabelFont() const
{
- return text_.getLabelFont(bv_.buffer(), par_);
+ return text_.getLabelFont(pi_.base.bv->buffer(), par_);
}
int RowPainter::leftMargin() const
{
- return text_.leftMargin(bv_.buffer(), max_width_, pit_, row_.pos());
+ return text_metrics_.leftMargin(text_metrics_.width(), pit_,
+ row_.pos());
+}
+
+
+void RowPainter::paintHfill(pos_type const pos, pos_type const body_pos)
+{
+ x_ += 1;
+
+ int const y0 = yo_;
+ int const y1 = y0 - defaultRowHeight() / 2;
+
+ pi_.pain.line(int(x_), y1, int(x_), y0, Color::added_space);
+
+ if (pm_.hfillExpansion(row_, pos)) {
+ int const y2 = (y0 + y1) / 2;
+
+ if (pos >= body_pos) {
+ pi_.pain.line(int(x_), y2, int(x_ + row_.hfill), y2,
+ Color::added_space,
+ Painter::line_onoffdash);
+ x_ += row_.hfill;
+ } else {
+ pi_.pain.line(int(x_), y2, int(x_ + row_.label_hfill), y2,
+ Color::added_space,
+ Painter::line_onoffdash);
+ x_ += row_.label_hfill;
+ }
+ pi_.pain.line(int(x_), y1, int(x_), y0, Color::added_space);
+ }
+ x_ += 2;
}
// If you want to debug inset metrics uncomment the following line:
-// #define DEBUG_METRICS
+//#define DEBUG_METRICS
// This draws green lines around each inset.
-void RowPainter::paintInset(pos_type const pos, Font const & font)
+void RowPainter::paintInset(Inset const * inset, pos_type const pos)
{
- Inset const * inset = par_.getInset(pos);
+ Font font = text_metrics_.getDisplayFont(pit_, pos);
+
BOOST_ASSERT(inset);
- PainterInfo pi(const_cast<BufferView *>(&bv_), pain_);
// FIXME: We should always use font, see documentation of
// noFontChange() in Inset.h.
- pi.base.font = inset->noFontChange() ?
- bv_.buffer().params().getFont() :
+ pi_.base.font = inset->noFontChange() ?
+ pi_.base.bv->buffer().params().getFont() :
font;
- pi.ltr_pos = (bidi_.level(pos) % 2 == 0);
- pi.erased_ = erased_ || par_.isDeleted(pos);
-#ifdef DEBUG_METRICS
- int const x1 = int(x_);
-#endif
- bv_.coordCache().insets().add(inset, int(x_), yo_);
- InsetText const * const in = inset->asTextInset();
- // non-wide insets are painted completely. Recursive
- bool tmp = refreshInside;
- if (!in || !in->wide()) {
- refreshInside = true;
- LYXERR(Debug::PAINTING) << endl << "Paint inset fully" << endl;
- }
- if (refreshInside)
- inset->drawSelection(pi, int(x_), yo_);
- inset->draw(pi, int(x_), yo_);
- refreshInside = tmp;
- x_ += inset->width();
+ pi_.ltr_pos = (bidi_.level(pos) % 2 == 0);
+ pi_.erased_ = erased_ || par_.isDeleted(pos);
+ pi_.base.bv->coordCache().insets().add(inset, int(x_), yo_);
+ // insets are painted completely. Recursive
+ inset->drawSelection(pi_, int(x_), yo_);
+ inset->draw(pi_, int(x_), yo_);
+
+ Dimension const & dim = pm_.insetDimension(inset);
+
+ paintForeignMark(x_, font, dim.descent());
+
+ x_ += dim.width();
+
#ifdef DEBUG_METRICS
- Dimension dim;
+ int const x1 = int(x_ - dim.width());
+ Dimension dim2;
BOOST_ASSERT(max_witdh_ > 0);
int right_margin = text_metrics_.rightMargin(pm_);
int const w = max_witdh_ - leftMargin() - right_margin;
- MetricsInfo mi(&bv_, font, w);
- inset->metrics(mi, dim);
- if (inset->width() > dim.wid)
+ MetricsInfo mi(pi_.base.bv, font, w);
+ inset->metrics(mi, dim2);
+ if (dim.wid != dim2.wid)
lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
- << " draw width " << inset->width()
- << "> metrics width " << dim.wid << "." << std::endl;
- if (inset->ascent() > dim.asc)
+ << " draw width " << dim.width()
+ << "> metrics width " << dim2.wid << "." << std::endl;
+ if (dim->asc != dim2.asc)
lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
- << " draw ascent " << inset->ascent()
- << "> metrics ascent " << dim.asc << "." << std::endl;
- if (inset->descent() > dim.des)
+ << " draw ascent " << dim.ascent()
+ << "> metrics ascent " << dim2.asc << "." << std::endl;
+ if (dim2.descent() != dim.des)
lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
- << " draw ascent " << inset->descent()
- << "> metrics descent " << dim.des << "." << std::endl;
- BOOST_ASSERT(inset->width() <= dim.wid);
- BOOST_ASSERT(inset->ascent() <= dim.asc);
- BOOST_ASSERT(inset->descent() <= dim.des);
+ << " draw ascent " << dim.descent()
+ << "> metrics descent " << dim2.des << "." << std::endl;
+ BOOST_ASSERT(dim2.wid == dim.wid);
+ BOOST_ASSERT(dim2.asc == dim.asc);
+ BOOST_ASSERT(dim2.des == dim.des);
int const x2 = x1 + dim.wid;
int const y1 = yo_ + dim.des;
int const y2 = yo_ - dim.asc;
- pi.pain.line(x1, y1, x1, y2, Color::green);
- pi.pain.line(x1, y1, x2, y1, Color::green);
- pi.pain.line(x2, y1, x2, y2, Color::green);
- pi.pain.line(x1, y2, x2, y2, Color::green);
+ pi_.pain.line(x1, y1, x1, y2, Color::green);
+ pi_.pain.line(x1, y1, x2, y1, Color::green);
+ pi_.pain.line(x2, y1, x2, y2, Color::green);
+ pi_.pain.line(x1, y2, x2, y2, Color::green);
#endif
}
if (!Encodings::isComposeChar_hebrew(c)) {
if (isPrintableNonspace(c)) {
int const width2 = pm_.singleWidth(i,
- text_.getFont(bv_.buffer(), par_, i));
+ text_metrics_.getDisplayFont(pit_, i));
dx = (c == 0x05e8 || // resh
c == 0x05d3) // dalet
? width2 - width
}
// Draw nikud
- pain_.text(int(x_) + dx, yo_, str, font);
+ pi_.pain.text(int(x_) + dx, yo_, str, font);
}
if (!Encodings::isComposeChar_arabic(c)) {
if (isPrintableNonspace(c)) {
int const width2 = pm_.singleWidth(i,
- text_.getFont(bv_.buffer(), par_, i));
+ text_metrics_.getDisplayFont(pit_, i));
dx = (width2 - width) / 2;
}
break;
}
}
// Draw nikud
- pain_.text(int(x_) + dx, yo_, str, font);
+ pi_.pain.text(int(x_) + dx, yo_, str, font);
}
} else if (prev_change == Change::INSERTED) {
copy.setColor(Color::addedtext);
}
- x_ += pain_.text(int(x_), yo_, s, copy);
+ x_ += pi_.pain.text(int(x_), yo_, s, copy);
} else {
- x_ += pain_.text(int(x_), yo_, s, font);
+ x_ += pi_.pain.text(int(x_), yo_, s, font);
}
}
return;
if (font.language() == latex_language)
return;
- if (font.language() == bv_.buffer().params().language)
+ if (font.language() == pi_.base.bv->buffer().params().language)
return;
int const y = yo_ + 1 + desc;
- pain_.line(int(orig_x), y, int(x_), y, Color::language);
+ pi_.pain.line(int(orig_x), y, int(x_), y, Color::language);
}
void RowPainter::paintFromPos(pos_type & vpos)
{
pos_type const pos = bidi_.vis2log(vpos);
- Font orig_font = text_.getFont(bv_.buffer(), par_, pos);
-
+ Font orig_font = text_metrics_.getDisplayFont(pit_, pos);
double const orig_x = x_;
- if (par_.isInset(pos)) {
- paintInset(pos, orig_font);
- ++vpos;
- paintForeignMark(orig_x, orig_font,
- par_.getInset(pos)->descent());
- return;
- }
-
// usual characters, no insets
char_type const c = par_.getChar(pos);
if (start == end || !par_.isChanged(start, end))
return;
- int const height = text_.isLastRow(pit_, row_)
+ int const height = text_metrics_.isLastRow(pit_, row_)
? row_.ascent()
: row_.height();
- pain_.fillRectangle(5, yo_ - row_.ascent(), 3, height, Color::changebar);
+ pi_.pain.fillRectangle(5, yo_ - row_.ascent(), 3, height, Color::changebar);
}
void RowPainter::paintAppendix()
{
// only draw the appendix frame once (for the main text)
- if (!par_.params().appendix() || !text_.isMainText(bv_.buffer()))
+ if (!par_.params().appendix() || !text_.isMainText(pi_.base.bv->buffer()))
return;
int y = yo_ - row_.ascent();
if (par_.params().startOfAppendix())
y += 2 * defaultRowHeight();
- pain_.line(1, y, 1, yo_ + row_.height(), Color::appendix);
- pain_.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), Color::appendix);
+ pi_.pain.line(1, y, 1, yo_ + row_.height(), Color::appendix);
+ pi_.pain.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), Color::appendix);
}
return;
depth_type prev_depth = 0;
- if (!text_.isFirstRow(pit_, row_)) {
+ if (!text_metrics_.isFirstRow(pit_, row_)) {
pit_type pit2 = pit_;
if (row_.pos() == 0)
--pit2;
}
depth_type next_depth = 0;
- if (!text_.isLastRow(pit_, row_)) {
+ if (!text_metrics_.isLastRow(pit_, row_)) {
pit_type pit2 = pit_;
if (row_.endpos() >= pars_[pit2].size())
++pit2;
int const w = nestMargin() / 5;
int x = int(xo_) + w * i;
// only consider the changebar space if we're drawing outermost text
- if (text_.isMainText(bv_.buffer()))
+ if (text_.isMainText(pi_.base.bv->buffer()))
x += changebarMargin();
int const starty = yo_ - row_.ascent();
int const h = row_.height() - 1 - (i - next_depth - 1) * 3;
- pain_.line(x, starty, x, starty + h, Color::depthbar);
+ pi_.pain.line(x, starty, x, starty + h, Color::depthbar);
if (i > prev_depth)
- pain_.fillRectangle(x, starty, w, 2, Color::depthbar);
+ pi_.pain.fillRectangle(x, starty, w, 2, Color::depthbar);
if (i > next_depth)
- pain_.fillRectangle(x, starty + h, w, 2, Color::depthbar);
+ pi_.pain.fillRectangle(x, starty + h, w, 2, Color::depthbar);
}
}
int const text_start = int(xo_ + (width_ - w) / 2);
int const text_end = text_start + w;
- pain_.rectText(text_start, y + d, label, pb_font, Color::none, Color::none);
+ pi_.pain.rectText(text_start, y + d, label, pb_font, Color::none, Color::none);
- pain_.line(int(xo_ + 1), y, text_start, y, Color::appendix);
- pain_.line(text_end, y, int(xo_ + width_ - 2), y, Color::appendix);
+ pi_.pain.line(int(xo_ + 1), y, text_start, y, Color::appendix);
+ pi_.pain.line(text_end, y, int(xo_ + width_ - 2), y, Color::appendix);
return 3 * defaultRowHeight();
}
if (parparams.startOfAppendix())
y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
- Buffer const & buffer = bv_.buffer();
+ Buffer const & buffer = pi_.base.bv->buffer();
- Layout_ptr const & layout = par_.layout();
+ LayoutPtr const & layout = par_.layout();
if (buffer.params().paragraph_separation == BufferParams::PARSEP_SKIP) {
if (pit_ != 0) {
if (layout->latextype == LATEX_PARAGRAPH
&& !par_.getDepth()) {
- y_top += buffer.params().getDefSkip().inPixels(bv_);
+ y_top += buffer.params().getDefSkip().inPixels(*pi_.base.bv);
} else {
- Layout_ptr const & playout = pars_[pit_ - 1].layout();
+ LayoutPtr const & playout = pars_[pit_ - 1].layout();
if (playout->latextype == LATEX_PARAGRAPH
&& !pars_[pit_ - 1].getDepth()) {
// is it right to use defskip here, too? (AS)
- y_top += buffer.params().getDefSkip().inPixels(bv_);
+ y_top += buffer.params().getDefSkip().inPixels(*pi_.base.bv);
}
}
}
fm.width(str);
}
- pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
+ pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
} else {
if (is_rtl) {
x = width_ - leftMargin()
- fm.width(str);
}
- pain_.text(int(x), yo_, str, font);
+ pi_.pain.text(int(x), yo_, str, font);
}
}
} else if (is_rtl) {
x = width_ - leftMargin() - fm.width(str);
}
- pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
+ pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
}
}
}
void RowPainter::paintLast()
{
- bool const is_rtl = text_.isRTL(bv_.buffer(), par_);
+ bool const is_rtl = text_.isRTL(pi_.base.bv->buffer(), par_);
int const endlabel = getEndLabel(pit_, text_.paragraphs());
// paint imaginary end-of-paragraph character
if (par_.isInserted(par_.size()) || par_.isDeleted(par_.size())) {
- FontMetrics const & fm = theFontMetrics(bv_.buffer().params().getFont());
+ FontMetrics const & fm = theFontMetrics(pi_.base.bv->buffer().params().getFont());
int const length = fm.maxAscent() / 2;
Color::color col = par_.isInserted(par_.size()) ? Color::addedtext : Color::deletedtext;
- pain_.line(int(x_) + 1, yo_ + 2, int(x_) + 1, yo_ + 2 - length, col,
+ pi_.pain.line(int(x_) + 1, yo_ + 2, int(x_) + 1, yo_ + 2 - length, col,
Painter::line_solid, Painter::line_thick);
- pain_.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1, yo_ + 2, col,
+ pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1, yo_ + 2, col,
Painter::line_solid, Painter::line_thick);
}
x += (size - width_ + row_.width() + 1) * (is_rtl ? -1 : 1);
if (endlabel == END_LABEL_BOX)
- pain_.rectangle(x, y, size, size, Color::eolmarker);
+ pi_.pain.rectangle(x, y, size, size, Color::eolmarker);
else
- pain_.fillRectangle(x, y, size, size, Color::eolmarker);
+ pi_.pain.fillRectangle(x, y, size, size, Color::eolmarker);
break;
}
double const x = is_rtl ?
x_ - fm.width(str)
: - text_metrics_.rightMargin(pm_) - row_.width();
- pain_.text(int(x), yo_, str, font);
+ pi_.pain.text(int(x), yo_, str, font);
break;
}
}
+void RowPainter::paintOnlyInsets()
+{
+ pos_type const end = row_.endpos();
+ for (pos_type pos = row_.pos(); pos != end; ++pos) {
+ if (!par_.isInset(pos))
+ continue;
+
+ // If outer row has changed, nested insets are repaint completely.
+ Inset const * inset = par_.getInset(pos);
+
+ if (x_ > pi_.base.bv->workWidth())
+ continue;
+
+ x_ = pi_.base.bv->coordCache().getInsets().x(inset);
+ paintInset(inset, pos);
+ }
+}
+
+
void RowPainter::paintText()
{
pos_type const end = row_.endpos();
body_pos = 0;
}
- Layout_ptr const & layout = par_.layout();
+ LayoutPtr const & layout = par_.layout();
bool running_strikeout = false;
bool is_struckout = false;
// Use font span to speed things up, see below
FontSpan font_span;
Font font;
- Buffer const & buffer = bv_.buffer();
// If the last logical character is a separator, don't paint it, unless
// it's in the last row of a paragraph; see skipped_sep_vpos declaration
skipped_sep_vpos = bidi_.log2vis(end - 1);
for (pos_type vpos = row_.pos(); vpos < end; ) {
- if (x_ > bv_.workWidth())
+ if (x_ > pi_.base.bv->workWidth())
break;
// Skip the separator at the logical end of the row
// Use font span to speed things up, see above
if (vpos < font_span.first || vpos > font_span.last) {
font_span = par_.fontSpan(vpos);
- font = text_.getFont(buffer, par_, vpos);
+ font = text_metrics_.getDisplayFont(pit_, vpos);
}
const int width_pos = pm_.singleWidth(pos, font);
}
bool const highly_editable_inset = par_.isInset(pos)
- && isHighlyEditableInset(par_.getInset(pos));
+ && par_.getInset(pos)->editable() == Inset::HIGHLY_EDITABLE;
// If we reach the end of a struck out range, paint it.
// We also don't paint across things like tables
if (running_strikeout && (highly_editable_inset || !is_struckout)) {
// Calculate 1/3 height of the buffer's default font
FontMetrics const & fm
- = theFontMetrics(bv_.buffer().params().getFont());
+ = theFontMetrics(pi_.base.bv->buffer().params().getFont());
int const middle = yo_ - fm.maxAscent() / 3;
- pain_.line(last_strikeout_x, middle, int(x_), middle,
+ pi_.pain.line(last_strikeout_x, middle, int(x_), middle,
Color::deletedtext, Painter::line_solid, Painter::line_thin);
running_strikeout = false;
}
int const lwidth = theFontMetrics(getLabelFont())
.width(layout->labelsep);
- x_ += label_hfill_ + lwidth - width_pos;
+ x_ += row_.label_hfill + lwidth - width_pos;
}
if (par_.isHfill(pos)) {
- x_ += 1;
-
- int const y0 = yo_;
- int const y1 = y0 - defaultRowHeight() / 2;
-
- pain_.line(int(x_), y1, int(x_), y0, Color::added_space);
-
- if (par_.hfillExpansion(row_, pos)) {
- int const y2 = (y0 + y1) / 2;
-
- if (pos >= body_pos) {
- pain_.line(int(x_), y2, int(x_ + hfill_), y2,
- Color::added_space,
- Painter::line_onoffdash);
- x_ += hfill_;
- } else {
- pain_.line(int(x_), y2, int(x_ + label_hfill_), y2,
- Color::added_space,
- Painter::line_onoffdash);
- x_ += label_hfill_;
- }
- pain_.line(int(x_), y1, int(x_), y0, Color::added_space);
- }
- x_ += 2;
+ paintHfill(pos, body_pos);
++vpos;
+
} else if (par_.isSeparator(pos)) {
- Font orig_font = text_.getFont(bv_.buffer(), par_, pos);
+ Font orig_font = text_metrics_.getDisplayFont(pit_, pos);
double const orig_x = x_;
x_ += width_pos;
if (pos >= body_pos)
- x_ += separator_;
- ++vpos;
+ x_ += row_.separator;
paintForeignMark(orig_x, orig_font);
+ ++vpos;
+
+ } else if (par_.isInset(pos)) {
+ // If outer row has changed, nested insets are repaint completely.
+ Inset const * inset = par_.getInset(pos);
+ pi_.base.bv->coordCache().insets().add(inset, int(x_), yo_);
+ paintInset(inset, pos);
+ ++vpos;
+
} else {
+ // paint as many characters as possible.
paintFromPos(vpos);
}
}
if (running_strikeout) {
// calculate 1/3 height of the buffer's default font
FontMetrics const & fm
- = theFontMetrics(bv_.buffer().params().getFont());
+ = theFontMetrics(pi_.base.bv->buffer().params().getFont());
int const middle = yo_ - fm.maxAscent() / 3;
- pain_.line(last_strikeout_x, middle, int(x_), middle,
+ pi_.pain.line(last_strikeout_x, middle, int(x_), middle,
Color::deletedtext, Painter::line_solid, Painter::line_thin);
running_strikeout = false;
}
}
-
-bool CursorOnRow(PainterInfo & pi, pit_type const pit,
- RowList::const_iterator rit, Text const & text)
-{
- // Is there a cursor on this row (or inside inset on row)
- Cursor & cur = pi.base.bv->cursor();
- for (size_type d = 0; d < cur.depth(); ++d) {
- CursorSlice const & sl = cur[d];
- if (sl.text() == &text
- && sl.pit() == pit
- && sl.pos() >= rit->pos()
- && sl.pos() <= rit->endpos())
- return true;
- }
- return false;
-}
-
-
-bool innerCursorOnRow(PainterInfo & pi, pit_type pit,
- RowList::const_iterator rit, Text const & text)
-{
- // Is there a cursor inside an inset on this row, and is this inset
- // the only "character" on this row
- Cursor & cur = pi.base.bv->cursor();
- if (rit->pos() + 1 != rit->endpos())
- return false;
- for (size_type d = 0; d < cur.depth(); d++) {
- CursorSlice const & sl = cur[d];
- if (sl.text() == &text
- && sl.pit() == pit
- && sl.pos() == rit->pos())
- return d < cur.depth() - 1;
- }
- return false;
-}
-
-
-// FIXME: once wide() is obsolete, remove this as well!
-bool inNarrowInset(PainterInfo & pi)
-{
- // check whether the current inset is nested in a non-wide inset
- Cursor & cur = pi.base.bv->cursor();
- Inset const * cur_in = &cur.inset();
- // check all higher nested insets
- for (size_type i = 1; i < cur.depth(); ++i) {
- Inset * const in = &cur[i].inset();
- if (in == cur_in)
- // we reached the level of the current inset, so stop
- return false;
- else if (in) {
- if (in->hasFixedWidth())
- return true;
- InsetText * t =
- const_cast<InsetText *>(in->asTextInset());
- if (t && !t->wide())
- // OK, we are in a non-wide() inset
- return true;
- }
- }
- return false;
-}
-
-
-void paintPar
- (PainterInfo & pi, Text const & text, pit_type pit, int x, int y,
- bool repaintAll)
-{
-// lyxerr << " paintPar: pit: " << pit << " at y: " << y << endl;
- int const ww = pi.base.bv->workHeight();
-
- pi.base.bv->coordCache().parPos()[&text][pit] = Point(x, y);
-
- Paragraph const & par = text.paragraphs()[pit];
- ParagraphMetrics const & pm = pi.base.bv->parMetrics(&text, pit);
- if (pm.rows().empty())
- return;
-
- RowList::const_iterator const rb = pm.rows().begin();
- RowList::const_iterator const re = pm.rows().end();
-
- Bidi bidi;
-
- y -= rb->ascent();
- size_type rowno = 0;
- for (RowList::const_iterator rit = rb; rit != re; ++rit, ++rowno) {
- y += rit->ascent();
- // Allow setting of refreshInside for nested insets in
- // this row only
- bool tmp = refreshInside;
-
- // Row signature; has row changed since last paint?
- bool row_has_changed = pm.rowChangeStatus()[rowno];
-
- bool cursor_on_row = CursorOnRow(pi, pit, rit, text);
- bool in_inset_alone_on_row =
- innerCursorOnRow(pi, pit, rit, text);
- bool leftEdgeFixed =
- (par.getAlign() == LYX_ALIGN_LEFT ||
- par.getAlign() == LYX_ALIGN_BLOCK);
- bool inNarrowIns = inNarrowInset(pi);
-
- // If this is the only object on the row, we can make it wide
- //
- // FIXME: there is a const_cast here because paintPar() is not supposed
- // to touch the paragraph contents. So either we move this "wide"
- // property out of InsetText or we localize the feature to the painting
- // done here.
- // JSpitzm: We should aim at removing wide() altogether while retaining
- // typing speed within insets.
- for (pos_type i = rit->pos() ; i != rit->endpos(); ++i) {
- Inset const * const in = par.getInset(i);
- if (in) {
- InsetText * t = const_cast<InsetText *>(in->asTextInset());
- if (t)
- t->setWide(in_inset_alone_on_row
- && leftEdgeFixed
- && !inNarrowIns);
- }
- }
-
- // If selection is on, the current row signature differs
- // from cache, or cursor is inside an inset _on this row_,
- // then paint the row
- if (repaintAll || row_has_changed || cursor_on_row) {
- 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);
- // Clear background of this row
- // (if paragraph background was not cleared)
- if (!repaintAll &&
- (!(in_inset_alone_on_row && leftEdgeFixed && !inNarrowIns)
- || row_has_changed)) {
- pi.pain.fillRectangle(x, y - rit->ascent(),
- rp.maxWidth(), rit->height(),
- text.backgroundColor());
- // If outer row has changed, force nested
- // insets to repaint completely
- if (row_has_changed)
- refreshInside = true;
- }
-
- // Instrumentation for testing row cache (see also
- // 12 lines lower):
- if (lyxerr.debugging(Debug::PAINTING)) {
- if (text.isMainText(pi.base.bv->buffer()))
- LYXERR(Debug::PAINTING) << "#";
- else
- LYXERR(Debug::PAINTING) << "[" <<
- repaintAll << row_has_changed <<
- cursor_on_row << "]";
- }
- rp.paintAppendix();
- rp.paintDepthBar();
- rp.paintChangeBar();
- if (rit == rb)
- rp.paintFirst();
- rp.paintText();
- if (rit + 1 == re)
- rp.paintLast();
- }
- y += rit->descent();
- // Restore, see above
- refreshInside = tmp;
- }
- // Re-enable screen drawing for future use of the painter.
- pi.pain.setDrawingEnabled(true);
-
- LYXERR(Debug::PAINTING) << "." << endl;
-}
-
-} // namespace anon
-
-
-void paintText(BufferView & bv,
- Painter & pain)
-{
- Buffer const & buffer = bv.buffer();
- Text & text = buffer.text();
- bool const select = bv.cursor().selection();
- ViewMetricsInfo const & vi = bv.viewMetricsInfo();
-
- PainterInfo pi(const_cast<BufferView *>(&bv), pain);
- // Should the whole screen, including insets, be refreshed?
- // FIXME: We should also distinguish DecorationUpdate to avoid text
- // drawing if possible. This is not possible to do easily right now
- // because of the single backing pixmap.
- bool repaintAll = select || vi.update_strategy != SingleParUpdate;
-
- if (repaintAll) {
- // Clear background (if not delegated to rows)
- pain.fillRectangle(0, vi.y1, bv.workWidth(), vi.y2 - vi.y1,
- text.backgroundColor());
- }
- if (select) {
- text.drawSelection(pi, 0, 0);
- }
-
- int yy = vi.y1;
- // draw contents
- for (pit_type pit = vi.p1; pit <= vi.p2; ++pit) {
- refreshInside = repaintAll;
- ParagraphMetrics const & pm = bv.parMetrics(&text, pit);
- yy += pm.ascent();
- paintPar(pi, text, pit, 0, yy, repaintAll);
- yy += pm.descent();
- }
-
- // and grey out above (should not happen later)
-// lyxerr << "par ascent: " << text.getPar(vi.p1).ascent() << endl;
- if (vi.y1 > 0 && vi.update_strategy == FullScreenUpdate)
- pain.fillRectangle(0, 0, bv.workWidth(), vi.y1, Color::bottomarea);
-
- // and possibly grey out below
-// lyxerr << "par descent: " << text.getPar(vi.p1).ascent() << endl;
- if (vi.y2 < bv.workHeight() && vi.update_strategy == FullScreenUpdate)
- pain.fillRectangle(0, vi.y2, bv.workWidth(), bv.workHeight() - vi.y2, Color::bottomarea);
-}
-
-
-void paintTextInset(Text const & text, PainterInfo & pi, int x, int y)
-{
-// lyxerr << " paintTextInset: y: " << y << endl;
-
- y -= pi.base.bv->parMetrics(&text, 0).ascent();
- // This flag cannot be set from within same inset:
- bool repaintAll = refreshInside;
- for (int pit = 0; pit < int(text.paragraphs().size()); ++pit) {
- ParagraphMetrics const & pmi
- = pi.base.bv->parMetrics(&text, pit);
- y += pmi.ascent();
- paintPar(pi, text, pit, x, y, repaintAll);
- y += pmi.descent();
- }
-}
-
-
} // namespace lyx
projects / lyx.git / blobdiff