TextMetrics const & tm = text_metrics_[&text];
if (select)
- text.drawSelection(pi, 0, 0);
+ tm.drawSelection(pi, 0, 0);
int yy = metrics_info_.y1;
// draw contents
}
-// only used for inset right now. should also be used for main text
-void Text::drawSelection(PainterInfo & pi, int x, int) const
-{
- Cursor & cur = pi.base.bv->cursor();
- if (!cur.selection())
- return;
- if (!ptr_cmp(cur.text(), this))
- return;
-
- LYXERR(Debug::DEBUG)
- << BOOST_CURRENT_FUNCTION
- << "draw selection at " << x
- << endl;
-
- DocIterator beg = cur.selectionBegin();
- DocIterator end = cur.selectionEnd();
-
- BufferView & bv = *pi.base.bv;
-
- // the selection doesn't touch the visible screen?
- if (bv_funcs::status(&bv, beg) == bv_funcs::CUR_BELOW
- || bv_funcs::status(&bv, end) == bv_funcs::CUR_ABOVE)
- return;
-
- TextMetrics const & tm = bv.textMetrics(this);
- ParagraphMetrics const & pm1 = tm.parMetrics(beg.pit());
- ParagraphMetrics const & pm2 = tm.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_funcs::status(&bv, beg) == bv_funcs::CUR_ABOVE);
- if (clipAbove)
- middleTop = 0;
- else
- middleTop = bv_funcs::getPos(bv, beg, beg.boundary()).y_ + row1.descent();
-
- // clip below
- int middleBottom;
- bool const clipBelow =
- (bv_funcs::status(&bv, end) == bv_funcs::CUR_BELOW);
- if (clipBelow)
- middleBottom = bv.workHeight();
- else
- middleBottom = bv_funcs::getPos(bv, 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,
- tm.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 Text::drawRowSelection(PainterInfo & pi, int x, Row const & row,
- DocIterator const & beg, DocIterator const & end,
- bool drawOnBegMargin, bool drawOnEndMargin) const
-{
- BufferView & bv = *pi.base.bv;
- Buffer & buffer = bv.buffer();
- TextMetrics const & tm = bv.textMetrics(this);
- DocIterator cur = beg;
- int x1 = cursorX(bv, beg.top(), beg.boundary());
- int x2 = cursorX(bv, end.top(), end.boundary());
- int y1 = bv_funcs::getPos(bv, cur, cur.boundary()).y_ - row.ascent();
- int y2 = y1 + row.height();
-
- // draw the margins
- if (drawOnBegMargin) {
- if (isRTL(buffer, beg.paragraph()))
- pi.pain.fillRectangle(x + x1, y1, tm.width() - x1, y2 - y1, Color::selection);
- else
- pi.pain.fillRectangle(x, y1, x1, y2 - y1, Color::selection);
- }
-
- if (drawOnEndMargin) {
- if (isRTL(buffer, beg.paragraph()))
- pi.pain.fillRectangle(x, y1, x2, y2 - y1, Color::selection);
- else
- pi.pain.fillRectangle(x + x2, y1, tm.width() - x2, y2 - y1, Color::selection);
- }
-
- // if we are on a boundary from the beginning, it's probably
- // a RTL boundary and we jump to the other side directly as this
- // segement is 0-size and confuses the logic below
- if (cur.boundary())
- cur.boundary(false);
-
- // go through row and draw from RTL boundary to RTL boundary
- while (cur < end) {
- bool drawNow = false;
-
- // simplified cursorRight code below which does not
- // descend into insets and which does not go into the
- // next line. Compare the logic with the original cursorRight
-
- // if left of boundary -> just jump to right side
- // but for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
- if (cur.boundary()) {
- cur.boundary(false);
- } else if (isRTLBoundary(buffer, cur.paragraph(), cur.pos() + 1)) {
- // in front of RTL boundary -> Stay on this side of the boundary because:
- // ab|cDDEEFFghi -> abc|DDEEFFghi
- ++cur.pos();
- cur.boundary(true);
- drawNow = true;
- } else {
- // move right
- ++cur.pos();
-
- // line end?
- if (cur.pos() == row.endpos())
- cur.boundary(true);
- }
-
- if (x1 == -1) {
- // the previous segment was just drawn, now the next starts
- x1 = cursorX(bv, cur.top(), cur.boundary());
- }
-
- if (!(cur < end) || drawNow) {
- x2 = cursorX(bv, cur.top(), cur.boundary());
- pi.pain.fillRectangle(x + min(x1,x2), y1, abs(x2 - x1), y2 - y1,
- Color::selection);
-
- // reset x1, so it is set again next round (which will be on the
- // right side of a boundary or at the selection end)
- x1 = -1;
- }
- }
-}
-
-
-
bool Text::isLastRow(pit_type pit, Row const & row) const
{
return row.endpos() >= pars_[pit].size()
/// draw text (only used for insets)
void draw(PainterInfo & pi, int x, int y) const;
- /// draw textselection
- void drawSelection(PainterInfo & pi, int x, int y) const;
/// try to handle that request
/// FIXME: replace Cursor with DocIterator.
void charInserted();
/// set 'number' font property
void number(Cursor & cur);
- /// draw selection for a single row
- void drawRowSelection(PainterInfo & pi, int x, Row const & row,
- DocIterator const & beg, DocIterator const & end,
- bool drawOnBegMargin, bool drawOnEndMargin) const;
/// paste plain text at current cursor.
/// \param str string to paste
#include "Buffer.h"
#include "BufferParams.h"
#include "BufferView.h"
+#include "bufferview_funcs.h"
#include "Color.h"
#include "CoordCache.h"
#include "debug.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
+#include <boost/current_function.hpp>
+
using std::max;
using std::min;
using std::endl;
{
if (par_metrics_.empty())
return;
+
ParMetricsCache::const_iterator it = par_metrics_.begin();
ParMetricsCache::const_iterator const end = par_metrics_.end();
y -= it->second.ascent();
LYXERR(Debug::PAINTING) << "." << endl;
}
+
+// only used for inset right now. should also be used for main text
+void TextMetrics::drawSelection(PainterInfo & pi, int x, int) const
+{
+ Cursor & cur = bv_->cursor();
+ if (!cur.selection())
+ return;
+ if (!ptr_cmp(cur.text(), text_))
+ return;
+
+ LYXERR(Debug::DEBUG)
+ << BOOST_CURRENT_FUNCTION
+ << "draw selection at " << x
+ << endl;
+
+ DocIterator beg = cur.selectionBegin();
+ DocIterator end = cur.selectionEnd();
+
+ // the selection doesn't touch the visible screen?
+ if (bv_funcs::status(bv_, beg) == bv_funcs::CUR_BELOW
+ || bv_funcs::status(bv_, end) == bv_funcs::CUR_ABOVE)
+ return;
+
+ ParagraphMetrics const & pm1 = par_metrics_[beg.pit()];
+ ParagraphMetrics const & pm2 = par_metrics_[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_funcs::status(bv_, beg) == bv_funcs::CUR_ABOVE);
+ if (clipAbove)
+ middleTop = 0;
+ else
+ middleTop = bv_funcs::getPos(*bv_, beg, beg.boundary()).y_ + row1.descent();
+
+ // clip below
+ int middleBottom;
+ bool const clipBelow =
+ (bv_funcs::status(bv_, end) == bv_funcs::CUR_BELOW);
+ if (clipBelow)
+ middleBottom = bv_->workHeight();
+ else
+ middleBottom = bv_funcs::getPos(*bv_, 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
+{
+ Buffer & buffer = bv_->buffer();
+ DocIterator cur = beg;
+ int x1 = text_->cursorX(*bv_, beg.top(), beg.boundary());
+ int x2 = text_->cursorX(*bv_, end.top(), end.boundary());
+ int y1 = bv_funcs::getPos(*bv_, cur, cur.boundary()).y_ - row.ascent();
+ int y2 = y1 + row.height();
+
+ // draw the margins
+ if (drawOnBegMargin) {
+ if (text_->isRTL(buffer, beg.paragraph()))
+ pi.pain.fillRectangle(x + x1, y1, width() - x1, y2 - y1, Color::selection);
+ else
+ pi.pain.fillRectangle(x, y1, x1, y2 - y1, Color::selection);
+ }
+
+ if (drawOnEndMargin) {
+ if (text_->isRTL(buffer, beg.paragraph()))
+ pi.pain.fillRectangle(x, y1, x2, y2 - y1, Color::selection);
+ else
+ pi.pain.fillRectangle(x + x2, y1, width() - x2, y2 - y1, Color::selection);
+ }
+
+ // if we are on a boundary from the beginning, it's probably
+ // a RTL boundary and we jump to the other side directly as this
+ // segement is 0-size and confuses the logic below
+ if (cur.boundary())
+ cur.boundary(false);
+
+ // go through row and draw from RTL boundary to RTL boundary
+ while (cur < end) {
+ bool drawNow = false;
+
+ // simplified cursorRight code below which does not
+ // descend into insets and which does not go into the
+ // next line. Compare the logic with the original cursorRight
+
+ // if left of boundary -> just jump to right side
+ // but for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
+ if (cur.boundary()) {
+ cur.boundary(false);
+ } else if (text_->isRTLBoundary(buffer, cur.paragraph(), cur.pos() + 1)) {
+ // in front of RTL boundary -> Stay on this side of the boundary because:
+ // ab|cDDEEFFghi -> abc|DDEEFFghi
+ ++cur.pos();
+ cur.boundary(true);
+ drawNow = true;
+ } else {
+ // move right
+ ++cur.pos();
+
+ // line end?
+ if (cur.pos() == row.endpos())
+ cur.boundary(true);
+ }
+
+ if (x1 == -1) {
+ // the previous segment was just drawn, now the next starts
+ x1 = text_->cursorX(*bv_, cur.top(), cur.boundary());
+ }
+
+ if (!(cur < end) || drawNow) {
+ x2 = text_->cursorX(*bv_, cur.top(), cur.boundary());
+ pi.pain.fillRectangle(x + min(x1,x2), y1, abs(x2 - x1), y2 - y1,
+ Color::selection);
+
+ // reset x1, so it is set again next round (which will be on the
+ // right side of a boundary or at the selection end)
+ x1 = -1;
+ }
+ }
+}
+
//int Text::pos2x(pit_type pit, pos_type pos) const
//{
// ParagraphMetrics const & pm = par_metrics_[pit];
namespace lyx {
class BufferView;
-class Text;
+class DocIterator;
class MetricsInfo;
+class Text;
/// A map from a Text to the map of paragraphs metrics
class TextMetrics
///
void draw(PainterInfo & pi, int x, int y) const;
+ /// draw textselection
+ void drawSelection(PainterInfo & pi, int x, int y) const;
void drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const;
pos_type const end
) const;
+ /// draw selection for a single row
+ void drawRowSelection(PainterInfo & pi, int x, Row const & row,
+ DocIterator const & beg, DocIterator const & end,
+ bool drawOnBegMargin, bool drawOnEndMargin) const;
+
// Temporary public:
public:
/// returns the column near the specified x-coordinate of the row.
if (drawFrame_)
pi.pain.rectangle(x, y - a, w, h, frameColor());
}
- text_.drawSelection(pi, x + border_, y);
+ tm.drawSelection(pi, x + border_, y);
tm.draw(pi, x + border_, y);
}
void InsetMathMBox::drawSelection(PainterInfo & pi, int x, int y) const
{
- text_.drawSelection(pi, x, y);
+ pi.base.bv->textMetrics(&text_).drawSelection(pi, x, y);
}
projects / features.git / commitdiff