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-rw-r--r--src/EditView.cxx200
1 files changed, 163 insertions, 37 deletions
diff --git a/src/EditView.cxx b/src/EditView.cxx
index 6ca22e4f2..76edf1c68 100644
--- a/src/EditView.cxx
+++ b/src/EditView.cxx
@@ -589,8 +589,39 @@ void EditView::LayoutLine(const EditModel &model, Sci::Line line, Surface *surfa
}
}
+// Fill the LineLayout bidirectional data fields according to each char style
+
+void EditView::UpdateBidiData(const EditModel &model, const ViewStyle &vstyle, LineLayout *ll) {
+ if (model.BidirectionalEnabled()) {
+ ll->EnsureBidiData();
+ for (int stylesInLine = 0; stylesInLine < ll->numCharsInLine; stylesInLine++) {
+ ll->bidiData->stylesFonts[stylesInLine].MakeAlias(vstyle.styles[ll->styles[stylesInLine]].font);
+ }
+ ll->bidiData->stylesFonts[ll->numCharsInLine].ClearFont();
+
+ for (int charsInLine = 0; charsInLine < ll->numCharsInLine; charsInLine++) {
+ const int charWidth = UTF8DrawBytes(reinterpret_cast<unsigned char *>(&ll->chars[charsInLine]), ll->numCharsInLine - charsInLine);
+ const Representation *repr = model.reprs.RepresentationFromCharacter(&ll->chars[charsInLine], charWidth);
+
+ ll->bidiData->widthReprs[charsInLine] = 0.0f;
+ if (repr && ll->chars[charsInLine] != '\t') {
+ ll->bidiData->widthReprs[charsInLine] = ll->positions[charsInLine + charWidth] - ll->positions[charsInLine];
+ }
+ if (charWidth > 1) {
+ for (int c = 1; c < charWidth; c++) {
+ charsInLine++;
+ ll->bidiData->widthReprs[charsInLine] = 0.0f;
+ }
+ }
+ }
+ ll->bidiData->widthReprs[ll->numCharsInLine] = 0.0f;
+ } else {
+ ll->bidiData.reset();
+ }
+}
+
Point EditView::LocationFromPosition(Surface *surface, const EditModel &model, SelectionPosition pos, Sci::Line topLine,
- const ViewStyle &vs, PointEnd pe) {
+ const ViewStyle &vs, PointEnd pe, const PRectangle rcClient) {
Point pt;
if (pos.Position() == INVALID_POSITION)
return pt;
@@ -607,8 +638,28 @@ Point EditView::LocationFromPosition(Surface *surface, const EditModel &model, S
LayoutLine(model, lineDoc, surface, vs, ll, model.wrapWidth);
const int posInLine = static_cast<int>(pos.Position() - posLineStart);
pt = ll->PointFromPosition(posInLine, vs.lineHeight, pe);
- pt.y += (lineVisible - topLine) * vs.lineHeight;
pt.x += vs.textStart - model.xOffset;
+
+ if (model.BidirectionalEnabled()) {
+ // Fill the line bidi data
+ UpdateBidiData(model, vs, ll);
+
+ // Find subLine
+ const int subLine = ll->SubLineFromPosition(posInLine, pe);
+ const int caretPosition = posInLine - ll->LineStart(subLine);
+
+ // Get the point from current position
+ const ScreenLine screenLine(ll, subLine, vs, rcClient.right, tabWidthMinimumPixels);
+ pt.x = surface->XFromPosition(&screenLine, caretPosition);
+
+ pt.x += vs.textStart - model.xOffset;
+
+ pt.y = 0;
+ if (posInLine >= ll->LineStart(subLine)) {
+ pt.y = static_cast<XYPOSITION>(subLine*vs.lineHeight);
+ }
+ }
+ pt.y += (lineVisible - topLine) * vs.lineHeight;
}
pt.x += pos.VirtualSpace() * vs.styles[ll->EndLineStyle()].spaceWidth;
return pt;
@@ -639,7 +690,8 @@ Range EditView::RangeDisplayLine(Surface *surface, const EditModel &model, Sci::
return rangeSubLine;
}
-SelectionPosition EditView::SPositionFromLocation(Surface *surface, const EditModel &model, PointDocument pt, bool canReturnInvalid, bool charPosition, bool virtualSpace, const ViewStyle &vs) {
+SelectionPosition EditView::SPositionFromLocation(Surface *surface, const EditModel &model, PointDocument pt, bool canReturnInvalid,
+ bool charPosition, bool virtualSpace, const ViewStyle &vs, const PRectangle rcClient) {
pt.x = pt.x - vs.textStart;
Sci::Line visibleLine = static_cast<int>(floor(pt.y / vs.lineHeight));
if (!canReturnInvalid && (visibleLine < 0))
@@ -661,8 +713,18 @@ SelectionPosition EditView::SPositionFromLocation(Surface *surface, const EditMo
const XYPOSITION subLineStart = ll->positions[rangeSubLine.start];
if (subLine > 0) // Wrapped
pt.x -= ll->wrapIndent;
- const Sci::Position positionInLine = ll->FindPositionFromX(static_cast<XYPOSITION>(pt.x + subLineStart),
- rangeSubLine, charPosition);
+ Sci::Position positionInLine = 0;
+ if (model.BidirectionalEnabled()) {
+ // Fill the line bidi data
+ UpdateBidiData(model, vs, ll);
+
+ const ScreenLine screenLine(ll, subLine, vs, rcClient.right, tabWidthMinimumPixels);
+ positionInLine = surface->PositionFromX(&screenLine, static_cast<XYPOSITION>(pt.x), charPosition) +
+ rangeSubLine.start;
+ } else {
+ positionInLine = ll->FindPositionFromX(static_cast<XYPOSITION>(pt.x + subLineStart),
+ rangeSubLine, charPosition);
+ }
if (positionInLine < rangeSubLine.end) {
return SelectionPosition(model.pdoc->MovePositionOutsideChar(positionInLine + posLineStart, 1));
}
@@ -869,7 +931,7 @@ void EditView::DrawEOL(Surface *surface, const EditModel &model, const ViewStyle
const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth;
virtualSpace = model.sel.VirtualSpaceFor(model.pdoc->LineEnd(line)) * spaceWidth;
}
- const XYPOSITION xEol = static_cast<XYPOSITION>(ll->positions[lineEnd] - subLineStart);
+ XYPOSITION xEol = static_cast<XYPOSITION>(ll->positions[lineEnd] - subLineStart);
// Fill the virtual space and show selections within it
if (virtualSpace > 0.0f) {
@@ -1017,27 +1079,51 @@ void EditView::DrawEOL(Surface *surface, const EditModel &model, const ViewStyle
}
static void DrawIndicator(int indicNum, Sci::Position startPos, Sci::Position endPos, Surface *surface, const ViewStyle &vsDraw,
- const LineLayout *ll, int xStart, PRectangle rcLine, Sci::Position secondCharacter, int subLine, Indicator::DrawState drawState, int value) {
+ const LineLayout *ll, int xStart, PRectangle rcLine, Sci::Position secondCharacter, int subLine, Indicator::DrawState drawState,
+ int value, bool bidiEnabled, int tabWidthMinimumPixels) {
+
const XYPOSITION subLineStart = ll->positions[ll->LineStart(subLine)];
+
+ std::vector<PRectangle> rectangles;
+
const PRectangle rcIndic(
ll->positions[startPos] + xStart - subLineStart,
rcLine.top + vsDraw.maxAscent,
ll->positions[endPos] + xStart - subLineStart,
rcLine.top + vsDraw.maxAscent + 3);
- PRectangle rcFirstCharacter = rcIndic;
- // Allow full descent space for character indicators
- rcFirstCharacter.bottom = rcLine.top + vsDraw.maxAscent + vsDraw.maxDescent;
- if (secondCharacter >= 0) {
- rcFirstCharacter.right = ll->positions[secondCharacter] + xStart - subLineStart;
+
+ if (bidiEnabled) {
+ ScreenLine screenLine(ll, subLine, vsDraw, rcLine.right - xStart, tabWidthMinimumPixels);
+ const Range lineRange = ll->SubLineRange(subLine, LineLayout::Scope::visibleOnly);
+
+ std::vector<Interval> intervals = surface->FindRangeIntervals(&screenLine,
+ startPos - lineRange.start, endPos - lineRange.start);
+ for (const Interval &interval : intervals) {
+ PRectangle rcInterval = rcIndic;
+ rcInterval.left = interval.left + xStart;
+ rcInterval.right = interval.right + xStart;
+ rectangles.push_back(rcInterval);
+ }
} else {
- // Indicator continued from earlier line so make an empty box and don't draw
- rcFirstCharacter.right = rcFirstCharacter.left;
+ rectangles.push_back(rcIndic);
+ }
+
+ for (const PRectangle &rc : rectangles) {
+ PRectangle rcFirstCharacter = rc;
+ // Allow full descent space for character indicators
+ rcFirstCharacter.bottom = rcLine.top + vsDraw.maxAscent + vsDraw.maxDescent;
+ if (secondCharacter >= 0) {
+ rcFirstCharacter.right = ll->positions[secondCharacter] + xStart - subLineStart;
+ } else {
+ // Indicator continued from earlier line so make an empty box and don't draw
+ rcFirstCharacter.right = rcFirstCharacter.left;
+ }
+ vsDraw.indicators[indicNum].Draw(surface, rc, rcLine, rcFirstCharacter, drawState, value);
}
- vsDraw.indicators[indicNum].Draw(surface, rcIndic, rcLine, rcFirstCharacter, drawState, value);
}
static void DrawIndicators(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll,
- Sci::Line line, int xStart, PRectangle rcLine, int subLine, Sci::Position lineEnd, bool under, Sci::Position hoverIndicatorPos) {
+ Sci::Line line, int xStart, PRectangle rcLine, int subLine, Sci::Position lineEnd, bool under, int tabWidthMinimumPixels) {
// Draw decorators
const Sci::Position posLineStart = model.pdoc->LineStart(line);
const Sci::Position lineStart = ll->LineStart(subLine);
@@ -1053,12 +1139,13 @@ static void DrawIndicators(Surface *surface, const EditModel &model, const ViewS
const Range rangeRun(deco->StartRun(startPos), deco->EndRun(startPos));
const Sci::Position endPos = std::min(rangeRun.end, posLineEnd);
const bool hover = vsDraw.indicators[deco->Indicator()].IsDynamic() &&
- rangeRun.ContainsCharacter(hoverIndicatorPos);
+ rangeRun.ContainsCharacter(model.hoverIndicatorPos);
const int value = deco->ValueAt(startPos);
const Indicator::DrawState drawState = hover ? Indicator::drawHover : Indicator::drawNormal;
const Sci::Position posSecond = model.pdoc->MovePositionOutsideChar(rangeRun.First() + 1, 1);
DrawIndicator(deco->Indicator(), startPos - posLineStart, endPos - posLineStart,
- surface, vsDraw, ll, xStart, rcLine, posSecond - posLineStart, subLine, drawState, value);
+ surface, vsDraw, ll, xStart, rcLine, posSecond - posLineStart, subLine, drawState,
+ value, model.BidirectionalEnabled(), tabWidthMinimumPixels);
startPos = endPos;
if (!deco->ValueAt(startPos)) {
startPos = deco->EndRun(startPos);
@@ -1077,14 +1164,16 @@ static void DrawIndicators(Surface *surface, const EditModel &model, const ViewS
const Sci::Position braceOffset = model.braces[0] - posLineStart;
if (braceOffset < ll->numCharsInLine) {
const Sci::Position secondOffset = model.pdoc->MovePositionOutsideChar(model.braces[0] + 1, 1) - posLineStart;
- DrawIndicator(braceIndicator, braceOffset, braceOffset + 1, surface, vsDraw, ll, xStart, rcLine, secondOffset, subLine, Indicator::drawNormal, 1);
+ DrawIndicator(braceIndicator, braceOffset, braceOffset + 1, surface, vsDraw, ll, xStart, rcLine, secondOffset,
+ subLine, Indicator::drawNormal, 1, model.BidirectionalEnabled(), tabWidthMinimumPixels);
}
}
if (rangeLine.ContainsCharacter(model.braces[1])) {
const Sci::Position braceOffset = model.braces[1] - posLineStart;
if (braceOffset < ll->numCharsInLine) {
const Sci::Position secondOffset = model.pdoc->MovePositionOutsideChar(model.braces[1] + 1, 1) - posLineStart;
- DrawIndicator(braceIndicator, braceOffset, braceOffset + 1, surface, vsDraw, ll, xStart, rcLine, secondOffset, subLine, Indicator::drawNormal, 1);
+ DrawIndicator(braceIndicator, braceOffset, braceOffset + 1, surface, vsDraw, ll, xStart, rcLine, secondOffset,
+ subLine, Indicator::drawNormal, 1, model.BidirectionalEnabled(), tabWidthMinimumPixels);
}
}
}
@@ -1334,6 +1423,17 @@ void EditView::DrawCarets(Surface *surface, const EditModel &model, const ViewSt
const XYPOSITION virtualOffset = posCaret.VirtualSpace() * spaceWidth;
if (ll->InLine(offset, subLine) && offset <= ll->numCharsBeforeEOL) {
XYPOSITION xposCaret = ll->positions[offset] + virtualOffset - ll->positions[ll->LineStart(subLine)];
+ if (model.BidirectionalEnabled() && (posCaret.VirtualSpace() == 0)) {
+ // Get caret point
+ const ScreenLine screenLine(ll, subLine, vsDraw, rcLine.right, tabWidthMinimumPixels);
+
+ const int caretPosition = static_cast<int>(posCaret.Position() - posLineStart - ll->LineStart(subLine));
+
+ const XYPOSITION caretLeft = surface->XFromPosition(&screenLine, caretPosition);
+
+ // In case of start of line, the cursor should be at the right
+ xposCaret = caretLeft + virtualOffset;
+ }
if (ll->wrapIndent != 0) {
const Sci::Position lineStart = ll->LineStart(subLine);
if (lineStart != 0) // Wrapped
@@ -1549,8 +1649,9 @@ static void DrawMarkUnderline(Surface *surface, const EditModel &model, const Vi
marks >>= 1;
}
}
+
static void DrawTranslucentSelection(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll,
- Sci::Line line, PRectangle rcLine, int subLine, Range lineRange, int xStart) {
+ Sci::Line line, PRectangle rcLine, int subLine, Range lineRange, int xStart, int tabWidthMinimumPixels) {
if ((vsDraw.selAlpha != SC_ALPHA_NOALPHA) || (vsDraw.selAdditionalAlpha != SC_ALPHA_NOALPHA)) {
const Sci::Position posLineStart = model.pdoc->LineStart(line);
const XYACCUMULATOR subLineStart = ll->positions[lineRange.start];
@@ -1567,20 +1668,37 @@ static void DrawTranslucentSelection(Surface *surface, const EditModel &model, c
if (alpha != SC_ALPHA_NOALPHA) {
const SelectionSegment portion = model.sel.Range(r).Intersect(virtualSpaceRange);
if (!portion.Empty()) {
- const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth;
- PRectangle rcSegment = rcLine;
- rcSegment.left = xStart + ll->positions[portion.start.Position() - posLineStart] -
- static_cast<XYPOSITION>(subLineStart)+portion.start.VirtualSpace() * spaceWidth;
- rcSegment.right = xStart + ll->positions[portion.end.Position() - posLineStart] -
- static_cast<XYPOSITION>(subLineStart)+portion.end.VirtualSpace() * spaceWidth;
- if ((ll->wrapIndent != 0) && (lineRange.start != 0)) {
- if ((portion.start.Position() - posLineStart) == lineRange.start && model.sel.Range(r).ContainsCharacter(portion.start.Position() - 1))
- rcSegment.left -= static_cast<int>(ll->wrapIndent); // indentation added to xStart was truncated to int, so we do the same here
+ if (model.BidirectionalEnabled()) {
+ const int selectionStart = static_cast<int>(portion.start.Position() - posLineStart - lineRange.start);
+ const int selectionEnd = static_cast<int>(portion.end.Position() - posLineStart - lineRange.start);
+
+ const ColourDesired background = SelectionBackground(vsDraw, r == model.sel.Main(), model.primarySelection);
+
+ const ScreenLine screenLine(ll, subLine, vsDraw, rcLine.right, tabWidthMinimumPixels);
+
+ const std::vector<Interval> intervals = surface->FindRangeIntervals(&screenLine, selectionStart, selectionEnd);
+ for (const Interval &interval : intervals) {
+ const XYPOSITION rcRight = interval.right + xStart;
+ const XYPOSITION rcLeft = interval.left + xStart;
+ const PRectangle rcSelection(rcLeft, rcLine.top, rcRight, rcLine.bottom);
+ SimpleAlphaRectangle(surface, rcSelection, background, alpha);
+ }
+ } else {
+ const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth;
+ PRectangle rcSegment = rcLine;
+ rcSegment.left = xStart + ll->positions[portion.start.Position() - posLineStart] -
+ static_cast<XYPOSITION>(subLineStart) + portion.start.VirtualSpace() * spaceWidth;
+ rcSegment.right = xStart + ll->positions[portion.end.Position() - posLineStart] -
+ static_cast<XYPOSITION>(subLineStart) + portion.end.VirtualSpace() * spaceWidth;
+ if ((ll->wrapIndent != 0) && (lineRange.start != 0)) {
+ if ((portion.start.Position() - posLineStart) == lineRange.start && model.sel.Range(r).ContainsCharacter(portion.start.Position() - 1))
+ rcSegment.left -= static_cast<int>(ll->wrapIndent); // indentation added to xStart was truncated to int, so we do the same here
+ }
+ rcSegment.left = (rcSegment.left > rcLine.left) ? rcSegment.left : rcLine.left;
+ rcSegment.right = (rcSegment.right < rcLine.right) ? rcSegment.right : rcLine.right;
+ if (rcSegment.right > rcLine.left)
+ SimpleAlphaRectangle(surface, rcSegment, SelectionBackground(vsDraw, r == model.sel.Main(), model.primarySelection), alpha);
}
- rcSegment.left = (rcSegment.left > rcLine.left) ? rcSegment.left : rcLine.left;
- rcSegment.right = (rcSegment.right < rcLine.right) ? rcSegment.right : rcLine.right;
- if (rcSegment.right > rcLine.left)
- SimpleAlphaRectangle(surface, rcSegment, SelectionBackground(vsDraw, r == model.sel.Main(), model.primarySelection), alpha);
}
}
}
@@ -1904,7 +2022,8 @@ void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyl
}
if (phase & drawIndicatorsBack) {
- DrawIndicators(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, lineRangeIncludingEnd.end, true, model.hoverIndicatorPos);
+ DrawIndicators(surface, model, vsDraw, ll, line, xStart, rcLine, subLine,
+ lineRangeIncludingEnd.end, true, tabWidthMinimumPixels);
DrawEdgeLine(surface, vsDraw, ll, rcLine, lineRange, xStart);
DrawMarkUnderline(surface, model, vsDraw, line, rcLine);
}
@@ -1920,7 +2039,8 @@ void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyl
}
if (phase & drawIndicatorsFore) {
- DrawIndicators(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, lineRangeIncludingEnd.end, false, model.hoverIndicatorPos);
+ DrawIndicators(surface, model, vsDraw, ll, line, xStart, rcLine, subLine,
+ lineRangeIncludingEnd.end, false, tabWidthMinimumPixels);
}
DrawFoldDisplayText(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, subLineStart, phase);
@@ -1935,7 +2055,7 @@ void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyl
}
if (!hideSelection && (phase & drawSelectionTranslucent)) {
- DrawTranslucentSelection(surface, model, vsDraw, ll, line, rcLine, subLine, lineRange, xStart);
+ DrawTranslucentSelection(surface, model, vsDraw, ll, line, rcLine, subLine, lineRange, xStart, tabWidthMinimumPixels);
}
if (phase & drawLineTranslucent) {
@@ -1984,6 +2104,7 @@ void EditView::PaintText(Surface *surfaceWindow, const EditModel &model, PRectan
}
surface->SetUnicodeMode(SC_CP_UTF8 == model.pdoc->dbcsCodePage);
surface->SetDBCSMode(model.pdoc->dbcsCodePage);
+ surface->SetBidiR2L(model.BidirectionalR2L());
const Point ptOrigin = model.GetVisibleOriginInMain();
@@ -2082,6 +2203,11 @@ void EditView::PaintText(Surface *surfaceWindow, const EditModel &model, PRectan
surface->FillRectangle(rcSpacer, vsDraw.styles[STYLE_DEFAULT].back);
}
+ if (model.BidirectionalEnabled()) {
+ // Fill the line bidi data
+ UpdateBidiData(model, vsDraw, ll);
+ }
+
DrawLine(surface, model, vsDraw, ll, lineDoc, visibleLine, xStart, rcLine, subLine, phase);
#if defined(TIME_PAINTING)
durPaint += ep.Duration(true);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 16:45:03 +0000