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-rw-r--r--src/Editor.cxx261
1 files changed, 167 insertions, 94 deletions
diff --git a/src/Editor.cxx b/src/Editor.cxx
index acb840fdf..acd5b3611 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -15,6 +15,9 @@
#include <string>
#include <vector>
#include <map>
+#ifndef SCINTILLA_NO_UNORDERED_MAP
+#include <unordered_map>
+#endif
#include <algorithm>
#include <memory>
@@ -244,6 +247,47 @@ void Editor::Finalise() {
CancelModes();
}
+void Editor::SetRepresentations() {
+ reprs.Clear();
+
+ // C0 control set
+ const char *reps[] = {
+ "NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL",
+ "BS", "HT", "LF", "VT", "FF", "CR", "SO", "SI",
+ "DLE", "DC1", "DC2", "DC3", "DC4", "NAK", "SYN", "ETB",
+ "CAN", "EM", "SUB", "ESC", "FS", "GS", "RS", "US"
+ };
+ for (size_t j=0; j < (sizeof(reps) / sizeof(reps[0])); j++) {
+ char c[2] = { static_cast<char>(j), 0 };
+ reprs.SetRepresentation(c, reps[j]);
+ }
+
+ // C1 control set
+ // As well as Unicode mode, ISO-8859-1 should use these
+ if (IsUnicodeMode()) {
+ const char *repsC1[] = {
+ "PAD", "HOP", "BPH", "NBH", "IND", "NEL", "SSA", "ESA",
+ "HTS", "HTJ", "VTS", "PLD", "PLU", "RI", "SS2", "SS3",
+ "DCS", "PU1", "PU2", "STS", "CCH", "MW", "SPA", "EPA",
+ "SOS", "SGCI", "SCI", "CSI", "ST", "OSC", "PM", "APC"
+ };
+ for (size_t j=0; j < (sizeof(repsC1) / sizeof(repsC1[0])); j++) {
+ char c1[3] = { '\xc2', static_cast<char>(0x80+j), 0 };
+ reprs.SetRepresentation(c1, repsC1[j]);
+ }
+ }
+
+ // UTF-8 invalid bytes
+ if (IsUnicodeMode()) {
+ for (int k=0x80; k < 0x100; k++) {
+ char hiByte[2] = { static_cast<char>(k), 0 };
+ char hexits[4];
+ sprintf(hexits, "x%2X", k);
+ reprs.SetRepresentation(hiByte, hexits);
+ }
+ }
+}
+
void Editor::DropGraphics(bool freeObjects) {
if (freeObjects) {
delete pixmapLine;
@@ -2127,6 +2171,7 @@ LineLayout *Editor::RetrieveLineLayout(int lineNumber) {
LinesOnScreen() + 1, pdoc->LinesTotal());
}
+/*
bool BadUTF(const char *s, int len, int &trailBytes) {
// For the rules: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
if (trailBytes) {
@@ -2141,6 +2186,7 @@ bool BadUTF(const char *s, int len, int &trailBytes) {
return false;
}
}
+*/
/**
* Fill in the LineLayout data for the given line.
@@ -2250,45 +2296,53 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou
ll->positions[0] = 0;
XYPOSITION tabWidth = vstyle.spaceWidth * pdoc->tabInChars;
bool lastSegItalics = false;
- Font &ctrlCharsFont = vstyle.styles[STYLE_CONTROLCHAR].font;
-
- XYPOSITION ctrlCharWidth[32] = {0};
- bool isControlNext = IsControlCharacter(ll->chars[0]);
- int trailBytes = 0;
- bool isBadUTFNext = IsUnicodeMode() && BadUTF(ll->chars, numCharsInLine, trailBytes);
- for (int charInLine = 0; charInLine < numCharsInLine; charInLine++) {
- bool isControl = isControlNext;
- isControlNext = IsControlCharacter(ll->chars[charInLine + 1]);
- bool isBadUTF = isBadUTFNext;
- isBadUTFNext = IsUnicodeMode() && BadUTF(ll->chars + charInLine + 1, numCharsInLine - charInLine - 1, trailBytes);
+
+ EncodingFamily encodingFamily = pdoc->CodePageFamily();
+
+ XYPOSITION positionsRepr[256]; // Should expand when needed
+ int charWidthNext = 1;
+ if (encodingFamily == efUnicode)
+ charWidthNext = UTF8DrawBytes(reinterpret_cast<unsigned char *>(ll->chars), numCharsInLine);
+ else if (encodingFamily == efDBCS)
+ charWidthNext = pdoc->IsDBCSLeadByte(ll->chars[0]) ? 2 : 1;
+ Representation *reprNext = reprs.RepresentationFromCharacter(ll->chars, charWidthNext);
+ int charWidth = 1;
+
+ for (int charInLine = 0; charInLine < numCharsInLine; charInLine += charWidth) {
+
+ charWidth = charWidthNext;
+ Representation *repr = reprNext;
+
+ charWidthNext = 1;
+ if (encodingFamily == efUnicode)
+ charWidthNext = UTF8DrawBytes(reinterpret_cast<unsigned char *>(ll->chars+charInLine + charWidth), numCharsInLine - charInLine - charWidth);
+ else if (encodingFamily == efDBCS)
+ charWidthNext = pdoc->IsDBCSLeadByte(ll->chars[charInLine + charWidth]) ? 2 : 1;
+ reprNext = reprs.RepresentationFromCharacter(ll->chars+charInLine + charWidth, charWidthNext);
+
if ((ll->styles[charInLine] != ll->styles[charInLine + 1]) ||
- isControl || isControlNext || isBadUTF || isBadUTFNext || ((charInLine+1) >= numCharsBeforeEOL)) {
+ repr || reprNext || ((charInLine+charWidth) >= numCharsBeforeEOL)) {
ll->positions[startseg] = 0;
if (vstyle.styles[ll->styles[charInLine]].visible) {
- if (isControl) {
+ if (repr) {
if (ll->chars[charInLine] == '\t') {
+ // Tab is a special case of repr, taking a variable amount of space
ll->positions[charInLine + 1] =
((static_cast<int>((startsegx + 2) / tabWidth) + 1) * tabWidth) - startsegx;
} else if (controlCharSymbol < 32) {
- if (ctrlCharWidth[ll->chars[charInLine]] == 0) {
- const char *ctrlChar = ControlCharacterString(ll->chars[charInLine]);
- ctrlCharWidth[ll->chars[charInLine]] =
- surface->WidthText(ctrlCharsFont, ctrlChar, istrlen(ctrlChar)) + ctrlCharPadding;
- }
- ll->positions[charInLine + 1] = ctrlCharWidth[ll->chars[charInLine]];
+ posCache.MeasureWidths(surface, vstyle, STYLE_CONTROLCHAR, repr->stringRep.c_str(),
+ static_cast<unsigned int>(repr->stringRep.length()), positionsRepr, pdoc);
+ XYPOSITION endRepr = positionsRepr[repr->stringRep.length()-1] + 3;
+ for (int ii=0; ii < charWidth; ii++)
+ ll->positions[startseg + 1 + ii] = endRepr;
} else {
char cc[2] = { static_cast<char>(controlCharSymbol), '\0' };
- surface->MeasureWidths(ctrlCharsFont, cc, 1,
+ surface->MeasureWidths(vstyle.styles[STYLE_CONTROLCHAR].font, cc, 1,
ll->positions + startseg + 1);
- }
+ }
lastSegItalics = false;
- } else if ((isBadUTF) || (charInLine >= numCharsBeforeEOL)) {
- char hexits[4];
- sprintf(hexits, "x%2X", ll->chars[charInLine] & 0xff);
- ll->positions[charInLine + 1] =
- surface->WidthText(ctrlCharsFont, hexits, istrlen(hexits)) + 3;
- } else { // Regular character
- int lenSeg = charInLine - startseg + 1;
+ } else {
+ int lenSeg = charInLine - startseg + charWidth;
if ((lenSeg == 1) && (' ' == ll->chars[startseg])) {
lastSegItalics = false;
// Over half the segments are single characters and of these about half are space characters.
@@ -2300,15 +2354,15 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou
}
}
} else { // invisible
- for (int posToZero = startseg; posToZero <= (charInLine + 1); posToZero++) {
+ for (int posToZero = startseg; posToZero <= (charInLine + charWidth); posToZero++) {
ll->positions[posToZero] = 0;
}
}
- for (int posToIncrease = startseg; posToIncrease <= (charInLine + 1); posToIncrease++) {
+ for (int posToIncrease = startseg; posToIncrease <= (charInLine + charWidth); posToIncrease++) {
ll->positions[posToIncrease] += startsegx;
}
- startsegx = ll->positions[charInLine + 1];
- startseg = charInLine + 1;
+ startsegx = ll->positions[charInLine + charWidth];
+ startseg = charInLine + charWidth;
}
}
// Small hack to make lines that end with italics not cut off the edge of the last character
@@ -2933,7 +2987,7 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
ll->psel = &sel;
- BreakFinder bfBack(ll, lineStart, lineEnd, posLineStart, xStartVisible, selBackDrawn, pdoc);
+ BreakFinder bfBack(ll, lineStart, lineEnd, posLineStart, xStartVisible, selBackDrawn, pdoc, &reprs);
int next = bfBack.First();
// Background drawing loop
@@ -3028,7 +3082,7 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
inIndentation = subLine == 0; // Do not handle indentation except on first subline.
// Foreground drawing loop
BreakFinder bfFore(ll, lineStart, lineEnd, posLineStart, xStartVisible,
- ((!twoPhaseDraw && selBackDrawn) || vsDraw.selforeset), pdoc);
+ ((!twoPhaseDraw && selBackDrawn) || vsDraw.selforeset), pdoc, &reprs);
next = bfFore.First();
while (next < lineEnd) {
@@ -3087,74 +3141,71 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
DrawTabArrow(surface, rcTab, rcSegment.top + vsDraw.lineHeight / 2);
}
}
- } else if (IsControlCharacter(ll->chars[i])) {
- // Control character display
- inIndentation = false;
- if (controlCharSymbol < 32) {
- // Draw the character
- const char *ctrlChar = ControlCharacterString(ll->chars[i]);
- DrawTextBlob(surface, vsDraw, rcSegment, ctrlChar, textBack, textFore, twoPhaseDraw);
- } else {
- char cc[2] = { static_cast<char>(controlCharSymbol), '\0' };
- surface->DrawTextNoClip(rcSegment, ctrlCharsFont,
- rcSegment.top + vsDraw.maxAscent,
- cc, 1, textBack, textFore);
- }
- } else if ((i == startseg) && (static_cast<unsigned char>(ll->chars[i]) >= 0x80) && IsUnicodeMode()) {
- // A single byte >= 0x80 in UTF-8 is a bad byte and is displayed as its hex value
- char hexits[4];
- sprintf(hexits, "x%2X", ll->chars[i] & 0xff);
- DrawTextBlob(surface, vsDraw, rcSegment, hexits, textBack, textFore, twoPhaseDraw);
} else {
- // Normal text display
- if (vsDraw.styles[styleMain].visible) {
- if (twoPhaseDraw) {
- surface->DrawTextTransparent(rcSegment, textFont,
- rcSegment.top + vsDraw.maxAscent, ll->chars + startseg,
- i - startseg + 1, textFore);
+ Representation *repr = 0;
+ if ((i - startseg + 1) <= 4)
+ repr = reprs.RepresentationFromCharacter(ll->chars + startseg, i - startseg + 1);
+ if (repr) {
+ inIndentation = false; // May need to special case ' '.
+ if (controlCharSymbol < 32) {
+ DrawTextBlob(surface, vsDraw, rcSegment, repr->stringRep.c_str(), textBack, textFore, twoPhaseDraw);
} else {
- surface->DrawTextNoClip(rcSegment, textFont,
- rcSegment.top + vsDraw.maxAscent, ll->chars + startseg,
- i - startseg + 1, textFore, textBack);
+ char cc[2] = { static_cast<char>(controlCharSymbol), '\0' };
+ surface->DrawTextNoClip(rcSegment, ctrlCharsFont,
+ rcSegment.top + vsDraw.maxAscent,
+ cc, 1, textBack, textFore);
}
- }
- if (vsDraw.viewWhitespace != wsInvisible ||
- (inIndentation && vsDraw.viewIndentationGuides != ivNone)) {
- for (int cpos = 0; cpos <= i - startseg; cpos++) {
- if (ll->chars[cpos + startseg] == ' ') {
- if (vsDraw.viewWhitespace != wsInvisible) {
- if (vsDraw.whitespaceForegroundSet)
- textFore = vsDraw.whitespaceForeground;
- if (!inIndentation || vsDraw.viewWhitespace == wsVisibleAlways) {
- XYPOSITION xmid = (ll->positions[cpos + startseg] + ll->positions[cpos + startseg + 1]) / 2;
- if (!twoPhaseDraw && drawWhitespaceBackground &&
- (!inIndentation || vsDraw.viewWhitespace == wsVisibleAlways)) {
- textBack = vsDraw.whitespaceBackground;
- PRectangle rcSpace(ll->positions[cpos + startseg] + xStart - subLineStart,
- rcSegment.top,
- ll->positions[cpos + startseg + 1] + xStart - subLineStart,
- rcSegment.bottom);
- surface->FillRectangle(rcSpace, textBack);
+ } else {
+ // Normal text display
+ if (vsDraw.styles[styleMain].visible) {
+ if (twoPhaseDraw) {
+ surface->DrawTextTransparent(rcSegment, textFont,
+ rcSegment.top + vsDraw.maxAscent, ll->chars + startseg,
+ i - startseg + 1, textFore);
+ } else {
+ surface->DrawTextNoClip(rcSegment, textFont,
+ rcSegment.top + vsDraw.maxAscent, ll->chars + startseg,
+ i - startseg + 1, textFore, textBack);
+ }
+ }
+ if (vsDraw.viewWhitespace != wsInvisible ||
+ (inIndentation && vsDraw.viewIndentationGuides != ivNone)) {
+ for (int cpos = 0; cpos <= i - startseg; cpos++) {
+ if (ll->chars[cpos + startseg] == ' ') {
+ if (vsDraw.viewWhitespace != wsInvisible) {
+ if (vsDraw.whitespaceForegroundSet)
+ textFore = vsDraw.whitespaceForeground;
+ if (!inIndentation || vsDraw.viewWhitespace == wsVisibleAlways) {
+ XYPOSITION xmid = (ll->positions[cpos + startseg] + ll->positions[cpos + startseg + 1]) / 2;
+ if (!twoPhaseDraw && drawWhitespaceBackground &&
+ (!inIndentation || vsDraw.viewWhitespace == wsVisibleAlways)) {
+ textBack = vsDraw.whitespaceBackground;
+ PRectangle rcSpace(ll->positions[cpos + startseg] + xStart - subLineStart,
+ rcSegment.top,
+ ll->positions[cpos + startseg + 1] + xStart - subLineStart,
+ rcSegment.bottom);
+ surface->FillRectangle(rcSpace, textBack);
+ }
+ PRectangle rcDot(xmid + xStart - subLineStart, rcSegment.top + vsDraw.lineHeight / 2, 0, 0);
+ rcDot.right = rcDot.left + vs.whitespaceSize;
+ rcDot.bottom = rcDot.top + vs.whitespaceSize;
+ surface->FillRectangle(rcDot, textFore);
}
- PRectangle rcDot(xmid + xStart - subLineStart, rcSegment.top + vsDraw.lineHeight / 2, 0, 0);
- rcDot.right = rcDot.left + vs.whitespaceSize;
- rcDot.bottom = rcDot.top + vs.whitespaceSize;
- surface->FillRectangle(rcDot, textFore);
}
- }
- if (inIndentation && vsDraw.viewIndentationGuides == ivReal) {
- for (int indentCount = (ll->positions[cpos + startseg] + epsilon) / indentWidth;
- indentCount <= (ll->positions[cpos + startseg + 1] - epsilon) / indentWidth;
- indentCount++) {
- if (indentCount > 0) {
- int xIndent = indentCount * indentWidth;
- DrawIndentGuide(surface, lineVisible, vsDraw.lineHeight, xIndent + xStart, rcSegment,
- (ll->xHighlightGuide == xIndent));
+ if (inIndentation && vsDraw.viewIndentationGuides == ivReal) {
+ for (int indentCount = (ll->positions[cpos + startseg] + epsilon) / indentWidth;
+ indentCount <= (ll->positions[cpos + startseg + 1] - epsilon) / indentWidth;
+ indentCount++) {
+ if (indentCount > 0) {
+ int xIndent = indentCount * indentWidth;
+ DrawIndentGuide(surface, lineVisible, vsDraw.lineHeight, xIndent + xStart, rcSegment,
+ (ll->xHighlightGuide == xIndent));
+ }
}
}
+ } else {
+ inIndentation = false;
}
- } else {
- inIndentation = false;
}
}
}
@@ -6902,6 +6953,8 @@ void Editor::SetDocPointer(Document *document) {
vs.ReleaseAllExtendedStyles();
+ SetRepresentations();
+
// Reset the contraction state to fully shown.
cs.Clear();
cs.InsertLines(0, pdoc->LinesTotal() - 1);
@@ -8296,6 +8349,7 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
cs.InsertLines(0, pdoc->LinesTotal() - 1);
SetAnnotationHeights(0, pdoc->LinesTotal());
InvalidateStyleRedraw();
+ SetRepresentations();
}
}
break;
@@ -9170,6 +9224,25 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
case SCI_GETCONTROLCHARSYMBOL:
return controlCharSymbol;
+ case SCI_SETREPRESENTATION:
+ reprs.SetRepresentation(reinterpret_cast<const char *>(wParam), CharPtrFromSPtr(lParam));
+ break;
+
+ case SCI_GETREPRESENTATION: {
+ Representation *repr = reprs.RepresentationFromCharacter(
+ reinterpret_cast<const char *>(wParam), UTF8MaxBytes);
+ if (repr) {
+ if (lParam != 0)
+ strcpy(CharPtrFromSPtr(lParam), repr->stringRep.c_str());
+ return repr->stringRep.size();
+ }
+ return 0;
+ }
+
+ case SCI_CLEARREPRESENTATION:
+ reprs.ClearRepresentation(reinterpret_cast<const char *>(wParam));
+ break;
+
case SCI_STARTRECORD:
recordingMacro = true;
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 06:18:12 +0000