1 | // Scintilla source code edit control |
2 | /** @file EditView.cxx |
3 | ** Defines the appearance of the main text area of the editor window. |
4 | **/ |
5 | // Copyright 1998-2014 by Neil Hodgson <neilh@scintilla.org> |
6 | // The License.txt file describes the conditions under which this software may be distributed. |
7 | |
8 | #include <cstddef> |
9 | #include <cstdlib> |
10 | #include <cstdint> |
11 | #include <cassert> |
12 | #include <cstring> |
13 | #include <cstdio> |
14 | #include <cmath> |
15 | |
16 | #include <stdexcept> |
17 | #include <string> |
18 | #include <string_view> |
19 | #include <vector> |
20 | #include <map> |
21 | #include <set> |
22 | #include <forward_list> |
23 | #include <optional> |
24 | #include <algorithm> |
25 | #include <iterator> |
26 | #include <memory> |
27 | #include <chrono> |
28 | |
29 | #include "ScintillaTypes.h" |
30 | #include "ScintillaMessages.h" |
31 | #include "ScintillaStructures.h" |
32 | #include "ILoader.h" |
33 | #include "ILexer.h" |
34 | |
35 | #include "Debugging.h" |
36 | #include "Geometry.h" |
37 | #include "Platform.h" |
38 | |
39 | #include "CharacterType.h" |
40 | #include "CharacterCategoryMap.h" |
41 | #include "Position.h" |
42 | #include "UniqueString.h" |
43 | #include "SplitVector.h" |
44 | #include "Partitioning.h" |
45 | #include "RunStyles.h" |
46 | #include "ContractionState.h" |
47 | #include "CellBuffer.h" |
48 | #include "PerLine.h" |
49 | #include "KeyMap.h" |
50 | #include "Indicator.h" |
51 | #include "LineMarker.h" |
52 | #include "Style.h" |
53 | #include "ViewStyle.h" |
54 | #include "CharClassify.h" |
55 | #include "Decoration.h" |
56 | #include "CaseFolder.h" |
57 | #include "Document.h" |
58 | #include "UniConversion.h" |
59 | #include "Selection.h" |
60 | #include "PositionCache.h" |
61 | #include "EditModel.h" |
62 | #include "MarginView.h" |
63 | #include "EditView.h" |
64 | #include "ElapsedPeriod.h" |
65 | |
66 | using namespace Scintilla; |
67 | using namespace Scintilla::Internal; |
68 | |
69 | PrintParameters::PrintParameters() noexcept { |
70 | magnification = 0; |
71 | colourMode = PrintOption::Normal; |
72 | wrapState = Wrap::Word; |
73 | } |
74 | |
75 | namespace Scintilla::Internal { |
76 | |
77 | bool ValidStyledText(const ViewStyle &vs, size_t styleOffset, const StyledText &st) noexcept { |
78 | if (st.multipleStyles) { |
79 | for (size_t iStyle = 0; iStyle<st.length; iStyle++) { |
80 | if (!vs.ValidStyle(styleOffset + st.styles[iStyle])) |
81 | return false; |
82 | } |
83 | } else { |
84 | if (!vs.ValidStyle(styleOffset + st.style)) |
85 | return false; |
86 | } |
87 | return true; |
88 | } |
89 | |
90 | static int WidthStyledText(Surface *surface, const ViewStyle &vs, int styleOffset, |
91 | const char *text, const unsigned char *styles, size_t len) { |
92 | int width = 0; |
93 | size_t start = 0; |
94 | while (start < len) { |
95 | const unsigned char style = styles[start]; |
96 | size_t endSegment = start; |
97 | while ((endSegment + 1 < len) && (styles[endSegment + 1] == style)) |
98 | endSegment++; |
99 | const Font *fontText = vs.styles[style + styleOffset].font.get(); |
100 | const std::string_view sv(text + start, endSegment - start + 1); |
101 | width += static_cast<int>(surface->WidthText(fontText, sv)); |
102 | start = endSegment + 1; |
103 | } |
104 | return width; |
105 | } |
106 | |
107 | int WidestLineWidth(Surface *surface, const ViewStyle &vs, int styleOffset, const StyledText &st) { |
108 | int widthMax = 0; |
109 | size_t start = 0; |
110 | while (start < st.length) { |
111 | const size_t lenLine = st.LineLength(start); |
112 | int widthSubLine; |
113 | if (st.multipleStyles) { |
114 | widthSubLine = WidthStyledText(surface, vs, styleOffset, st.text + start, st.styles + start, lenLine); |
115 | } else { |
116 | const Font *fontText = vs.styles[styleOffset + st.style].font.get(); |
117 | const std::string_view text(st.text + start, lenLine); |
118 | widthSubLine = static_cast<int>(surface->WidthText(fontText, text)); |
119 | } |
120 | if (widthSubLine > widthMax) |
121 | widthMax = widthSubLine; |
122 | start += lenLine + 1; |
123 | } |
124 | return widthMax; |
125 | } |
126 | |
127 | void DrawTextNoClipPhase(Surface *surface, PRectangle rc, const Style &style, XYPOSITION ybase, |
128 | std::string_view text, DrawPhase phase) { |
129 | const Font *fontText = style.font.get(); |
130 | if (FlagSet(phase, DrawPhase::back)) { |
131 | if (FlagSet(phase, DrawPhase::text)) { |
132 | // Drawing both |
133 | surface->DrawTextNoClip(rc, fontText, ybase, text, |
134 | style.fore, style.back); |
135 | } else { |
136 | surface->FillRectangleAligned(rc, Fill(style.back)); |
137 | } |
138 | } else if (FlagSet(phase, DrawPhase::text)) { |
139 | surface->DrawTextTransparent(rc, fontText, ybase, text, style.fore); |
140 | } |
141 | } |
142 | |
143 | void DrawStyledText(Surface *surface, const ViewStyle &vs, int styleOffset, PRectangle rcText, |
144 | const StyledText &st, size_t start, size_t length, DrawPhase phase) { |
145 | |
146 | if (st.multipleStyles) { |
147 | int x = static_cast<int>(rcText.left); |
148 | size_t i = 0; |
149 | while (i < length) { |
150 | size_t end = i; |
151 | size_t style = st.styles[i + start]; |
152 | while (end < length - 1 && st.styles[start + end + 1] == style) |
153 | end++; |
154 | style += styleOffset; |
155 | const Font *fontText = vs.styles[style].font.get(); |
156 | const std::string_view text(st.text + start + i, end - i + 1); |
157 | const int width = static_cast<int>(surface->WidthText(fontText, text)); |
158 | PRectangle rcSegment = rcText; |
159 | rcSegment.left = static_cast<XYPOSITION>(x); |
160 | rcSegment.right = static_cast<XYPOSITION>(x + width + 1); |
161 | DrawTextNoClipPhase(surface, rcSegment, vs.styles[style], |
162 | rcText.top + vs.maxAscent, text, phase); |
163 | x += width; |
164 | i = end + 1; |
165 | } |
166 | } else { |
167 | const size_t style = st.style + styleOffset; |
168 | DrawTextNoClipPhase(surface, rcText, vs.styles[style], |
169 | rcText.top + vs.maxAscent, |
170 | std::string_view(st.text + start, length), phase); |
171 | } |
172 | } |
173 | |
174 | void Hexits(char *hexits, int ch) noexcept { |
175 | hexits[0] = 'x'; |
176 | hexits[1] = "0123456789ABCDEF" [ch / 0x10]; |
177 | hexits[2] = "0123456789ABCDEF" [ch % 0x10]; |
178 | hexits[3] = 0; |
179 | } |
180 | |
181 | } |
182 | |
183 | EditView::EditView() { |
184 | tabWidthMinimumPixels = 2; // needed for calculating tab stops for fractional proportional fonts |
185 | hideSelection = false; |
186 | drawOverstrikeCaret = true; |
187 | bufferedDraw = true; |
188 | phasesDraw = PhasesDraw::Two; |
189 | lineWidthMaxSeen = 0; |
190 | additionalCaretsBlink = true; |
191 | additionalCaretsVisible = true; |
192 | imeCaretBlockOverride = false; |
193 | llc.SetLevel(LineCache::Caret); |
194 | posCache.SetSize(0x400); |
195 | tabArrowHeight = 4; |
196 | customDrawTabArrow = nullptr; |
197 | customDrawWrapMarker = nullptr; |
198 | } |
199 | |
200 | EditView::~EditView() = default; |
201 | |
202 | bool EditView::SetTwoPhaseDraw(bool twoPhaseDraw) noexcept { |
203 | const PhasesDraw phasesDrawNew = twoPhaseDraw ? PhasesDraw::Two : PhasesDraw::One; |
204 | const bool redraw = phasesDraw != phasesDrawNew; |
205 | phasesDraw = phasesDrawNew; |
206 | return redraw; |
207 | } |
208 | |
209 | bool EditView::SetPhasesDraw(int phases) noexcept { |
210 | const PhasesDraw phasesDrawNew = static_cast<PhasesDraw>(phases); |
211 | const bool redraw = phasesDraw != phasesDrawNew; |
212 | phasesDraw = phasesDrawNew; |
213 | return redraw; |
214 | } |
215 | |
216 | bool EditView::LinesOverlap() const noexcept { |
217 | return phasesDraw == PhasesDraw::Multiple; |
218 | } |
219 | |
220 | void EditView::ClearAllTabstops() noexcept { |
221 | ldTabstops.reset(); |
222 | } |
223 | |
224 | XYPOSITION EditView::NextTabstopPos(Sci::Line line, XYPOSITION x, XYPOSITION tabWidth) const noexcept { |
225 | const int next = GetNextTabstop(line, static_cast<int>(x + tabWidthMinimumPixels)); |
226 | if (next > 0) |
227 | return static_cast<XYPOSITION>(next); |
228 | return (static_cast<int>((x + tabWidthMinimumPixels) / tabWidth) + 1) * tabWidth; |
229 | } |
230 | |
231 | bool EditView::ClearTabstops(Sci::Line line) noexcept { |
232 | return ldTabstops && ldTabstops->ClearTabstops(line); |
233 | } |
234 | |
235 | bool EditView::AddTabstop(Sci::Line line, int x) { |
236 | if (!ldTabstops) { |
237 | ldTabstops = std::make_unique<LineTabstops>(); |
238 | } |
239 | return ldTabstops && ldTabstops->AddTabstop(line, x); |
240 | } |
241 | |
242 | int EditView::GetNextTabstop(Sci::Line line, int x) const noexcept { |
243 | if (ldTabstops) { |
244 | return ldTabstops->GetNextTabstop(line, x); |
245 | } else { |
246 | return 0; |
247 | } |
248 | } |
249 | |
250 | void EditView::LinesAddedOrRemoved(Sci::Line lineOfPos, Sci::Line linesAdded) { |
251 | if (ldTabstops) { |
252 | if (linesAdded > 0) { |
253 | for (Sci::Line line = lineOfPos; line < lineOfPos + linesAdded; line++) { |
254 | ldTabstops->InsertLine(line); |
255 | } |
256 | } else { |
257 | for (Sci::Line line = (lineOfPos + -linesAdded) - 1; line >= lineOfPos; line--) { |
258 | ldTabstops->RemoveLine(line); |
259 | } |
260 | } |
261 | } |
262 | } |
263 | |
264 | void EditView::DropGraphics() noexcept { |
265 | pixmapLine.reset(); |
266 | pixmapIndentGuide.reset(); |
267 | pixmapIndentGuideHighlight.reset(); |
268 | } |
269 | |
270 | static const char *ControlCharacterString(unsigned char ch) noexcept { |
271 | const char * const reps[] = { |
272 | "NUL" , "SOH" , "STX" , "ETX" , "EOT" , "ENQ" , "ACK" , "BEL" , |
273 | "BS" , "HT" , "LF" , "VT" , "FF" , "CR" , "SO" , "SI" , |
274 | "DLE" , "DC1" , "DC2" , "DC3" , "DC4" , "NAK" , "SYN" , "ETB" , |
275 | "CAN" , "EM" , "SUB" , "ESC" , "FS" , "GS" , "RS" , "US" |
276 | }; |
277 | if (ch < std::size(reps)) { |
278 | return reps[ch]; |
279 | } else { |
280 | return "BAD" ; |
281 | } |
282 | } |
283 | |
284 | static void DrawTabArrow(Surface *surface, PRectangle rcTab, int ymid, |
285 | const ViewStyle &vsDraw, Stroke stroke) { |
286 | |
287 | const XYPOSITION halfWidth = stroke.width / 2.0; |
288 | |
289 | const XYPOSITION leftStroke = std::round(std::min(rcTab.left + 2, rcTab.right - 1)) + halfWidth; |
290 | const XYPOSITION rightStroke = std::max(leftStroke, std::round(rcTab.right) - 1.0f - halfWidth); |
291 | const XYPOSITION yMidAligned = ymid + halfWidth; |
292 | const Point arrowPoint(rightStroke, yMidAligned); |
293 | if (rightStroke > leftStroke) { |
294 | // When not enough room, don't draw the arrow shaft |
295 | surface->LineDraw(Point(leftStroke, yMidAligned), arrowPoint, stroke); |
296 | } |
297 | |
298 | // Draw the arrow head if needed |
299 | if (vsDraw.tabDrawMode == TabDrawMode::LongArrow) { |
300 | XYPOSITION ydiff = std::floor(rcTab.Height() / 2.0f); |
301 | XYPOSITION xhead = rightStroke - ydiff; |
302 | if (xhead <= rcTab.left) { |
303 | ydiff -= rcTab.left - xhead; |
304 | xhead = rcTab.left; |
305 | } |
306 | const Point ptsHead[] = { |
307 | Point(xhead, yMidAligned - ydiff), |
308 | arrowPoint, |
309 | Point(xhead, yMidAligned + ydiff) |
310 | }; |
311 | surface->PolyLine(ptsHead, std::size(ptsHead), stroke); |
312 | } |
313 | } |
314 | |
315 | void EditView::RefreshPixMaps(Surface *surfaceWindow, const ViewStyle &vsDraw) { |
316 | if (!pixmapIndentGuide) { |
317 | // 1 extra pixel in height so can handle odd/even positions and so produce a continuous line |
318 | pixmapIndentGuide = surfaceWindow->AllocatePixMap(1, vsDraw.lineHeight + 1); |
319 | pixmapIndentGuideHighlight = surfaceWindow->AllocatePixMap(1, vsDraw.lineHeight + 1); |
320 | const PRectangle rcIG = PRectangle::FromInts(0, 0, 1, vsDraw.lineHeight); |
321 | pixmapIndentGuide->FillRectangle(rcIG, vsDraw.styles[StyleIndentGuide].back); |
322 | pixmapIndentGuideHighlight->FillRectangle(rcIG, vsDraw.styles[StyleBraceLight].back); |
323 | for (int stripe = 1; stripe < vsDraw.lineHeight + 1; stripe += 2) { |
324 | const PRectangle rcPixel = PRectangle::FromInts(0, stripe, 1, stripe + 1); |
325 | pixmapIndentGuide->FillRectangle(rcPixel, vsDraw.styles[StyleIndentGuide].fore); |
326 | pixmapIndentGuideHighlight->FillRectangle(rcPixel, vsDraw.styles[StyleBraceLight].fore); |
327 | } |
328 | pixmapIndentGuide->FlushDrawing(); |
329 | pixmapIndentGuideHighlight->FlushDrawing(); |
330 | } |
331 | } |
332 | |
333 | std::shared_ptr<LineLayout> EditView::RetrieveLineLayout(Sci::Line lineNumber, const EditModel &model) { |
334 | const Sci::Position posLineStart = model.pdoc->LineStart(lineNumber); |
335 | const Sci::Position posLineEnd = model.pdoc->LineStart(lineNumber + 1); |
336 | PLATFORM_ASSERT(posLineEnd >= posLineStart); |
337 | const Sci::Line lineCaret = model.pdoc->SciLineFromPosition(model.sel.MainCaret()); |
338 | return llc.Retrieve(lineNumber, lineCaret, |
339 | static_cast<int>(posLineEnd - posLineStart), model.pdoc->GetStyleClock(), |
340 | model.LinesOnScreen() + 1, model.pdoc->LinesTotal()); |
341 | } |
342 | |
343 | namespace { |
344 | |
345 | constexpr XYPOSITION epsilon = 0.0001f; // A small nudge to avoid floating point precision issues |
346 | |
347 | /** |
348 | * Return the chDoc argument with case transformed as indicated by the caseForce argument. |
349 | * chPrevious is needed for camel casing. |
350 | * This only affects ASCII characters and is provided for languages with case-insensitive |
351 | * ASCII keywords where the user wishes to view keywords in a preferred case. |
352 | */ |
353 | inline char CaseForce(Style::CaseForce caseForce, char chDoc, char chPrevious) noexcept { |
354 | switch (caseForce) { |
355 | case Style::CaseForce::mixed: |
356 | return chDoc; |
357 | case Style::CaseForce::lower: |
358 | return MakeLowerCase(chDoc); |
359 | case Style::CaseForce::upper: |
360 | return MakeUpperCase(chDoc); |
361 | case Style::CaseForce::camel: |
362 | default: // default should not occur, included to avoid warnings |
363 | if (IsUpperOrLowerCase(chDoc) && !IsUpperOrLowerCase(chPrevious)) { |
364 | return MakeUpperCase(chDoc); |
365 | } else { |
366 | return MakeLowerCase(chDoc); |
367 | } |
368 | } |
369 | } |
370 | |
371 | bool ViewIsASCII(std::string_view text) { |
372 | return std::all_of(text.cbegin(), text.cend(), IsASCII); |
373 | } |
374 | |
375 | } |
376 | |
377 | /** |
378 | * Fill in the LineLayout data for the given line. |
379 | * Copy the given @a line and its styles from the document into local arrays. |
380 | * Also determine the x position at which each character starts. |
381 | */ |
382 | void EditView::LayoutLine(const EditModel &model, Surface *surface, const ViewStyle &vstyle, LineLayout *ll, int width) { |
383 | if (!ll) |
384 | return; |
385 | |
386 | const Sci::Line line = ll->LineNumber(); |
387 | PLATFORM_ASSERT(line < model.pdoc->LinesTotal()); |
388 | PLATFORM_ASSERT(ll->chars); |
389 | const Sci::Position posLineStart = model.pdoc->LineStart(line); |
390 | Sci::Position posLineEnd = model.pdoc->LineStart(line + 1); |
391 | // If the line is very long, limit the treatment to a length that should fit in the viewport |
392 | if (posLineEnd >(posLineStart + ll->maxLineLength)) { |
393 | posLineEnd = posLineStart + ll->maxLineLength; |
394 | } |
395 | // Hard to cope when too narrow, so just assume there is space |
396 | width = std::max(width, 20); |
397 | |
398 | if (ll->validity == LineLayout::ValidLevel::checkTextAndStyle) { |
399 | Sci::Position lineLength = posLineEnd - posLineStart; |
400 | if (!vstyle.viewEOL) { |
401 | lineLength = model.pdoc->LineEnd(line) - posLineStart; |
402 | } |
403 | if (lineLength == ll->numCharsInLine) { |
404 | // See if chars, styles, indicators, are all the same |
405 | bool allSame = true; |
406 | // Check base line layout |
407 | char chPrevious = 0; |
408 | for (Sci::Position numCharsInLine = 0; numCharsInLine < lineLength; numCharsInLine++) { |
409 | const Sci::Position charInDoc = numCharsInLine + posLineStart; |
410 | const char chDoc = model.pdoc->CharAt(charInDoc); |
411 | const int styleByte = model.pdoc->StyleIndexAt(charInDoc); |
412 | allSame = allSame && |
413 | (ll->styles[numCharsInLine] == styleByte); |
414 | allSame = allSame && |
415 | (ll->chars[numCharsInLine] == CaseForce(vstyle.styles[styleByte].caseForce, chDoc, chPrevious)); |
416 | chPrevious = chDoc; |
417 | } |
418 | const int styleByteLast = (posLineEnd > posLineStart) ? model.pdoc->StyleIndexAt(posLineEnd - 1) : 0; |
419 | allSame = allSame && (ll->styles[lineLength] == styleByteLast); // For eolFilled |
420 | if (allSame) { |
421 | ll->validity = (ll->widthLine != width) ? LineLayout::ValidLevel::positions : LineLayout::ValidLevel::lines; |
422 | } else { |
423 | ll->validity = LineLayout::ValidLevel::invalid; |
424 | } |
425 | } else { |
426 | ll->validity = LineLayout::ValidLevel::invalid; |
427 | } |
428 | } |
429 | if (ll->validity == LineLayout::ValidLevel::invalid) { |
430 | ll->widthLine = LineLayout::wrapWidthInfinite; |
431 | ll->lines = 1; |
432 | if (vstyle.edgeState == EdgeVisualStyle::Background) { |
433 | Sci::Position edgePosition = model.pdoc->FindColumn(line, vstyle.theEdge.column); |
434 | if (edgePosition >= posLineStart) { |
435 | edgePosition -= posLineStart; |
436 | } |
437 | ll->edgeColumn = static_cast<int>(edgePosition); |
438 | } else { |
439 | ll->edgeColumn = -1; |
440 | } |
441 | |
442 | // Fill base line layout |
443 | const int lineLength = static_cast<int>(posLineEnd - posLineStart); |
444 | model.pdoc->GetCharRange(ll->chars.get(), posLineStart, lineLength); |
445 | model.pdoc->GetStyleRange(ll->styles.get(), posLineStart, lineLength); |
446 | const int numCharsBeforeEOL = static_cast<int>(model.pdoc->LineEnd(line) - posLineStart); |
447 | const int numCharsInLine = (vstyle.viewEOL) ? lineLength : numCharsBeforeEOL; |
448 | const unsigned char styleByteLast = (lineLength > 0) ? ll->styles[lineLength - 1] : 0; |
449 | if (vstyle.someStylesForceCase) { |
450 | char chPrevious = 0; |
451 | for (int charInLine = 0; charInLine<lineLength; charInLine++) { |
452 | const char chDoc = ll->chars[charInLine]; |
453 | ll->chars[charInLine] = CaseForce(vstyle.styles[ll->styles[charInLine]].caseForce, chDoc, chPrevious); |
454 | chPrevious = chDoc; |
455 | } |
456 | } |
457 | ll->xHighlightGuide = 0; |
458 | // Extra element at the end of the line to hold end x position and act as |
459 | ll->chars[numCharsInLine] = 0; // Also triggers processing in the loops as this is a control character |
460 | ll->styles[numCharsInLine] = styleByteLast; // For eolFilled |
461 | |
462 | // Layout the line, determining the position of each character, |
463 | // with an extra element at the end for the end of the line. |
464 | ll->positions[0] = 0; |
465 | bool lastSegItalics = false; |
466 | |
467 | BreakFinder bfLayout(ll, nullptr, Range(0, numCharsInLine), posLineStart, 0, BreakFinder::BreakFor::Text, model.pdoc, &model.reprs, nullptr); |
468 | while (bfLayout.More()) { |
469 | |
470 | const TextSegment ts = bfLayout.Next(); |
471 | |
472 | std::fill(&ll->positions[ts.start + 1], &ll->positions[ts.end() + 1], 0.0f); |
473 | if (vstyle.styles[ll->styles[ts.start]].visible) { |
474 | if (ts.representation) { |
475 | XYPOSITION representationWidth = vstyle.controlCharWidth; |
476 | if (ll->chars[ts.start] == '\t') { |
477 | // Tab is a special case of representation, taking a variable amount of space |
478 | const XYPOSITION x = ll->positions[ts.start]; |
479 | representationWidth = NextTabstopPos(line, x, vstyle.tabWidth) - ll->positions[ts.start]; |
480 | } else { |
481 | if (representationWidth <= 0.0) { |
482 | assert(ts.representation->stringRep.length() <= Representation::maxLength); |
483 | XYPOSITION positionsRepr[Representation::maxLength+1]; |
484 | // ts.representation->stringRep is UTF-8 which only matches cache if document is UTF-8 |
485 | // or it only contains ASCII which is a subset of all currently supported encodings. |
486 | if ((CpUtf8 == model.pdoc->dbcsCodePage) || ViewIsASCII(ts.representation->stringRep)) { |
487 | posCache.MeasureWidths(surface, vstyle, StyleControlChar, ts.representation->stringRep, |
488 | positionsRepr); |
489 | } else { |
490 | surface->MeasureWidthsUTF8(vstyle.styles[StyleControlChar].font.get(), ts.representation->stringRep, positionsRepr); |
491 | } |
492 | representationWidth = positionsRepr[ts.representation->stringRep.length() - 1]; |
493 | if (FlagSet(ts.representation->appearance, RepresentationAppearance::Blob)) { |
494 | representationWidth += vstyle.ctrlCharPadding; |
495 | } |
496 | } |
497 | } |
498 | for (int ii = 0; ii < ts.length; ii++) |
499 | ll->positions[ts.start + 1 + ii] = representationWidth; |
500 | } else { |
501 | if ((ts.length == 1) && (' ' == ll->chars[ts.start])) { |
502 | // Over half the segments are single characters and of these about half are space characters. |
503 | ll->positions[ts.start + 1] = vstyle.styles[ll->styles[ts.start]].spaceWidth; |
504 | } else { |
505 | posCache.MeasureWidths(surface, vstyle, ll->styles[ts.start], |
506 | std::string_view(&ll->chars[ts.start], ts.length), &ll->positions[ts.start + 1]); |
507 | } |
508 | } |
509 | lastSegItalics = (!ts.representation) && ((ll->chars[ts.end() - 1] != ' ') && vstyle.styles[ll->styles[ts.start]].italic); |
510 | } |
511 | |
512 | for (Sci::Position posToIncrease = ts.start + 1; posToIncrease <= ts.end(); posToIncrease++) { |
513 | ll->positions[posToIncrease] += ll->positions[ts.start]; |
514 | } |
515 | } |
516 | |
517 | // Small hack to make lines that end with italics not cut off the edge of the last character |
518 | if (lastSegItalics) { |
519 | ll->positions[numCharsInLine] += vstyle.lastSegItalicsOffset; |
520 | } |
521 | ll->numCharsInLine = numCharsInLine; |
522 | ll->numCharsBeforeEOL = numCharsBeforeEOL; |
523 | ll->validity = LineLayout::ValidLevel::positions; |
524 | } |
525 | if ((ll->validity == LineLayout::ValidLevel::positions) || (ll->widthLine != width)) { |
526 | ll->widthLine = width; |
527 | if (width == LineLayout::wrapWidthInfinite) { |
528 | ll->lines = 1; |
529 | } else if (width > ll->positions[ll->numCharsInLine]) { |
530 | // Simple common case where line does not need wrapping. |
531 | ll->lines = 1; |
532 | } else { |
533 | if (FlagSet(vstyle.wrap.visualFlags, WrapVisualFlag::End)) { |
534 | width -= static_cast<int>(vstyle.aveCharWidth); // take into account the space for end wrap mark |
535 | } |
536 | XYPOSITION wrapAddIndent = 0; // This will be added to initial indent of line |
537 | switch (vstyle.wrap.indentMode) { |
538 | case WrapIndentMode::Fixed: |
539 | wrapAddIndent = vstyle.wrap.visualStartIndent * vstyle.aveCharWidth; |
540 | break; |
541 | case WrapIndentMode::Indent: |
542 | wrapAddIndent = model.pdoc->IndentSize() * vstyle.spaceWidth; |
543 | break; |
544 | case WrapIndentMode::DeepIndent: |
545 | wrapAddIndent = model.pdoc->IndentSize() * 2 * vstyle.spaceWidth; |
546 | break; |
547 | default: // No additional indent for WrapIndentMode::Fixed |
548 | break; |
549 | } |
550 | ll->wrapIndent = wrapAddIndent; |
551 | if (vstyle.wrap.indentMode != WrapIndentMode::Fixed) { |
552 | for (int i = 0; i < ll->numCharsInLine; i++) { |
553 | if (!IsSpaceOrTab(ll->chars[i])) { |
554 | ll->wrapIndent += ll->positions[i]; // Add line indent |
555 | break; |
556 | } |
557 | } |
558 | } |
559 | // Check for text width minimum |
560 | if (ll->wrapIndent > width - static_cast<int>(vstyle.aveCharWidth) * 15) |
561 | ll->wrapIndent = wrapAddIndent; |
562 | // Check for wrapIndent minimum |
563 | if ((FlagSet(vstyle.wrap.visualFlags, WrapVisualFlag::Start)) && (ll->wrapIndent < vstyle.aveCharWidth)) |
564 | ll->wrapIndent = vstyle.aveCharWidth; // Indent to show start visual |
565 | ll->lines = 0; |
566 | // Calculate line start positions based upon width. |
567 | Sci::Position lastLineStart = 0; |
568 | XYACCUMULATOR startOffset = width; |
569 | Sci::Position p = 0; |
570 | const Wrap wrapState = vstyle.wrap.state; |
571 | const Sci::Position numCharsInLine = ll->numCharsInLine; |
572 | while (p < numCharsInLine) { |
573 | while (p < numCharsInLine && ll->positions[p + 1] < startOffset) { |
574 | p++; |
575 | } |
576 | if (p < numCharsInLine) { |
577 | // backtrack to find lastGoodBreak |
578 | Sci::Position lastGoodBreak = p; |
579 | if (p > 0) { |
580 | lastGoodBreak = model.pdoc->MovePositionOutsideChar(p + posLineStart, -1) - posLineStart; |
581 | } |
582 | if (wrapState != Wrap::Char) { |
583 | Sci::Position pos = lastGoodBreak; |
584 | while (pos > lastLineStart) { |
585 | // style boundary and space |
586 | if (wrapState != Wrap::WhiteSpace && (ll->styles[pos - 1] != ll->styles[pos])) { |
587 | break; |
588 | } |
589 | if (IsBreakSpace(ll->chars[pos - 1]) && !IsBreakSpace(ll->chars[pos])) { |
590 | break; |
591 | } |
592 | pos = model.pdoc->MovePositionOutsideChar(pos + posLineStart - 1, -1) - posLineStart; |
593 | } |
594 | if (pos > lastLineStart) { |
595 | lastGoodBreak = pos; |
596 | } |
597 | } |
598 | if (lastGoodBreak == lastLineStart) { |
599 | // Try moving to start of last character |
600 | if (p > 0) { |
601 | lastGoodBreak = model.pdoc->MovePositionOutsideChar(p + posLineStart, -1) - posLineStart; |
602 | } |
603 | if (lastGoodBreak == lastLineStart) { |
604 | // Ensure at least one character on line. |
605 | lastGoodBreak = model.pdoc->MovePositionOutsideChar(lastGoodBreak + posLineStart + 1, 1) - posLineStart; |
606 | } |
607 | } |
608 | lastLineStart = lastGoodBreak; |
609 | ll->lines++; |
610 | ll->SetLineStart(ll->lines, static_cast<int>(lastLineStart)); |
611 | startOffset = ll->positions[lastLineStart]; |
612 | // take into account the space for start wrap mark and indent |
613 | startOffset += width - ll->wrapIndent; |
614 | p = lastLineStart + 1; |
615 | } |
616 | } |
617 | ll->lines++; |
618 | } |
619 | ll->validity = LineLayout::ValidLevel::lines; |
620 | } |
621 | } |
622 | |
623 | // Fill the LineLayout bidirectional data fields according to each char style |
624 | |
625 | void EditView::UpdateBidiData(const EditModel &model, const ViewStyle &vstyle, LineLayout *ll) { |
626 | if (model.BidirectionalEnabled()) { |
627 | ll->EnsureBidiData(); |
628 | for (int stylesInLine = 0; stylesInLine < ll->numCharsInLine; stylesInLine++) { |
629 | ll->bidiData->stylesFonts[stylesInLine] = vstyle.styles[ll->styles[stylesInLine]].font; |
630 | } |
631 | ll->bidiData->stylesFonts[ll->numCharsInLine].reset(); |
632 | |
633 | for (int charsInLine = 0; charsInLine < ll->numCharsInLine; charsInLine++) { |
634 | const int charWidth = UTF8DrawBytes(reinterpret_cast<unsigned char *>(&ll->chars[charsInLine]), ll->numCharsInLine - charsInLine); |
635 | const Representation *repr = model.reprs.RepresentationFromCharacter(std::string_view(&ll->chars[charsInLine], charWidth)); |
636 | |
637 | ll->bidiData->widthReprs[charsInLine] = 0.0f; |
638 | if (repr && ll->chars[charsInLine] != '\t') { |
639 | ll->bidiData->widthReprs[charsInLine] = ll->positions[charsInLine + charWidth] - ll->positions[charsInLine]; |
640 | } |
641 | if (charWidth > 1) { |
642 | for (int c = 1; c < charWidth; c++) { |
643 | charsInLine++; |
644 | ll->bidiData->widthReprs[charsInLine] = 0.0f; |
645 | } |
646 | } |
647 | } |
648 | ll->bidiData->widthReprs[ll->numCharsInLine] = 0.0f; |
649 | } else { |
650 | ll->bidiData.reset(); |
651 | } |
652 | } |
653 | |
654 | Point EditView::LocationFromPosition(Surface *surface, const EditModel &model, SelectionPosition pos, Sci::Line topLine, |
655 | const ViewStyle &vs, PointEnd pe, const PRectangle rcClient) { |
656 | Point pt; |
657 | if (pos.Position() == Sci::invalidPosition) |
658 | return pt; |
659 | Sci::Line lineDoc = model.pdoc->SciLineFromPosition(pos.Position()); |
660 | Sci::Position posLineStart = model.pdoc->LineStart(lineDoc); |
661 | if (FlagSet(pe, PointEnd::lineEnd) && (lineDoc > 0) && (pos.Position() == posLineStart)) { |
662 | // Want point at end of first line |
663 | lineDoc--; |
664 | posLineStart = model.pdoc->LineStart(lineDoc); |
665 | } |
666 | const Sci::Line lineVisible = model.pcs->DisplayFromDoc(lineDoc); |
667 | std::shared_ptr<LineLayout> ll = RetrieveLineLayout(lineDoc, model); |
668 | if (surface && ll) { |
669 | LayoutLine(model, surface, vs, ll.get(), model.wrapWidth); |
670 | const int posInLine = static_cast<int>(pos.Position() - posLineStart); |
671 | pt = ll->PointFromPosition(posInLine, vs.lineHeight, pe); |
672 | pt.x += vs.textStart - model.xOffset; |
673 | |
674 | if (model.BidirectionalEnabled()) { |
675 | // Fill the line bidi data |
676 | UpdateBidiData(model, vs, ll.get()); |
677 | |
678 | // Find subLine |
679 | const int subLine = ll->SubLineFromPosition(posInLine, pe); |
680 | const int caretPosition = posInLine - ll->LineStart(subLine); |
681 | |
682 | // Get the point from current position |
683 | const ScreenLine screenLine(ll.get(), subLine, vs, rcClient.right, tabWidthMinimumPixels); |
684 | std::unique_ptr<IScreenLineLayout> slLayout = surface->Layout(&screenLine); |
685 | pt.x = slLayout->XFromPosition(caretPosition); |
686 | |
687 | pt.x += vs.textStart - model.xOffset; |
688 | |
689 | pt.y = 0; |
690 | if (posInLine >= ll->LineStart(subLine)) { |
691 | pt.y = static_cast<XYPOSITION>(subLine*vs.lineHeight); |
692 | } |
693 | } |
694 | pt.y += (lineVisible - topLine) * vs.lineHeight; |
695 | } |
696 | pt.x += pos.VirtualSpace() * vs.styles[ll->EndLineStyle()].spaceWidth; |
697 | return pt; |
698 | } |
699 | |
700 | Range EditView::RangeDisplayLine(Surface *surface, const EditModel &model, Sci::Line lineVisible, const ViewStyle &vs) { |
701 | Range rangeSubLine = Range(0, 0); |
702 | if (lineVisible < 0) { |
703 | return rangeSubLine; |
704 | } |
705 | const Sci::Line lineDoc = model.pcs->DocFromDisplay(lineVisible); |
706 | const Sci::Position positionLineStart = model.pdoc->LineStart(lineDoc); |
707 | std::shared_ptr<LineLayout> ll = RetrieveLineLayout(lineDoc, model); |
708 | if (surface && ll) { |
709 | LayoutLine(model, surface, vs, ll.get(), model.wrapWidth); |
710 | const Sci::Line lineStartSet = model.pcs->DisplayFromDoc(lineDoc); |
711 | const int subLine = static_cast<int>(lineVisible - lineStartSet); |
712 | if (subLine < ll->lines) { |
713 | rangeSubLine = ll->SubLineRange(subLine, LineLayout::Scope::visibleOnly); |
714 | if (subLine == ll->lines-1) { |
715 | rangeSubLine.end = model.pdoc->LineStart(lineDoc + 1) - |
716 | positionLineStart; |
717 | } |
718 | } |
719 | } |
720 | rangeSubLine.start += positionLineStart; |
721 | rangeSubLine.end += positionLineStart; |
722 | return rangeSubLine; |
723 | } |
724 | |
725 | SelectionPosition EditView::SPositionFromLocation(Surface *surface, const EditModel &model, PointDocument pt, bool canReturnInvalid, |
726 | bool charPosition, bool virtualSpace, const ViewStyle &vs, const PRectangle rcClient) { |
727 | pt.x = pt.x - vs.textStart; |
728 | Sci::Line visibleLine = static_cast<int>(std::floor(pt.y / vs.lineHeight)); |
729 | if (!canReturnInvalid && (visibleLine < 0)) |
730 | visibleLine = 0; |
731 | const Sci::Line lineDoc = model.pcs->DocFromDisplay(visibleLine); |
732 | if (canReturnInvalid && (lineDoc < 0)) |
733 | return SelectionPosition(Sci::invalidPosition); |
734 | if (lineDoc >= model.pdoc->LinesTotal()) |
735 | return SelectionPosition(canReturnInvalid ? Sci::invalidPosition : |
736 | model.pdoc->Length()); |
737 | const Sci::Position posLineStart = model.pdoc->LineStart(lineDoc); |
738 | std::shared_ptr<LineLayout> ll = RetrieveLineLayout(lineDoc, model); |
739 | if (surface && ll) { |
740 | LayoutLine(model, surface, vs, ll.get(), model.wrapWidth); |
741 | const Sci::Line lineStartSet = model.pcs->DisplayFromDoc(lineDoc); |
742 | const int subLine = static_cast<int>(visibleLine - lineStartSet); |
743 | if (subLine < ll->lines) { |
744 | const Range rangeSubLine = ll->SubLineRange(subLine, LineLayout::Scope::visibleOnly); |
745 | const XYPOSITION subLineStart = ll->positions[rangeSubLine.start]; |
746 | if (subLine > 0) // Wrapped |
747 | pt.x -= ll->wrapIndent; |
748 | Sci::Position positionInLine = 0; |
749 | if (model.BidirectionalEnabled()) { |
750 | // Fill the line bidi data |
751 | UpdateBidiData(model, vs, ll.get()); |
752 | |
753 | const ScreenLine screenLine(ll.get(), subLine, vs, rcClient.right, tabWidthMinimumPixels); |
754 | std::unique_ptr<IScreenLineLayout> slLayout = surface->Layout(&screenLine); |
755 | positionInLine = slLayout->PositionFromX(static_cast<XYPOSITION>(pt.x), charPosition) + |
756 | rangeSubLine.start; |
757 | } else { |
758 | positionInLine = ll->FindPositionFromX(static_cast<XYPOSITION>(pt.x + subLineStart), |
759 | rangeSubLine, charPosition); |
760 | } |
761 | if (positionInLine < rangeSubLine.end) { |
762 | return SelectionPosition(model.pdoc->MovePositionOutsideChar(positionInLine + posLineStart, 1)); |
763 | } |
764 | if (virtualSpace) { |
765 | const XYPOSITION spaceWidth = vs.styles[ll->EndLineStyle()].spaceWidth; |
766 | const int spaceOffset = static_cast<int>( |
767 | (pt.x + subLineStart - ll->positions[rangeSubLine.end] + spaceWidth / 2) / spaceWidth); |
768 | return SelectionPosition(rangeSubLine.end + posLineStart, spaceOffset); |
769 | } else if (canReturnInvalid) { |
770 | if (pt.x < (ll->positions[rangeSubLine.end] - subLineStart)) { |
771 | return SelectionPosition(model.pdoc->MovePositionOutsideChar(rangeSubLine.end + posLineStart, 1)); |
772 | } |
773 | } else { |
774 | return SelectionPosition(rangeSubLine.end + posLineStart); |
775 | } |
776 | } |
777 | if (!canReturnInvalid) |
778 | return SelectionPosition(ll->numCharsInLine + posLineStart); |
779 | } |
780 | return SelectionPosition(canReturnInvalid ? Sci::invalidPosition : posLineStart); |
781 | } |
782 | |
783 | /** |
784 | * Find the document position corresponding to an x coordinate on a particular document line. |
785 | * Ensure is between whole characters when document is in multi-byte or UTF-8 mode. |
786 | * This method is used for rectangular selections and does not work on wrapped lines. |
787 | */ |
788 | SelectionPosition EditView::SPositionFromLineX(Surface *surface, const EditModel &model, Sci::Line lineDoc, int x, const ViewStyle &vs) { |
789 | std::shared_ptr<LineLayout> ll = RetrieveLineLayout(lineDoc, model); |
790 | if (surface && ll) { |
791 | const Sci::Position posLineStart = model.pdoc->LineStart(lineDoc); |
792 | LayoutLine(model, surface, vs, ll.get(), model.wrapWidth); |
793 | const Range rangeSubLine = ll->SubLineRange(0, LineLayout::Scope::visibleOnly); |
794 | const XYPOSITION subLineStart = ll->positions[rangeSubLine.start]; |
795 | const Sci::Position positionInLine = ll->FindPositionFromX(x + subLineStart, rangeSubLine, false); |
796 | if (positionInLine < rangeSubLine.end) { |
797 | return SelectionPosition(model.pdoc->MovePositionOutsideChar(positionInLine + posLineStart, 1)); |
798 | } |
799 | const XYPOSITION spaceWidth = vs.styles[ll->EndLineStyle()].spaceWidth; |
800 | const int spaceOffset = static_cast<int>( |
801 | (x + subLineStart - ll->positions[rangeSubLine.end] + spaceWidth / 2) / spaceWidth); |
802 | return SelectionPosition(rangeSubLine.end + posLineStart, spaceOffset); |
803 | } |
804 | return SelectionPosition(0); |
805 | } |
806 | |
807 | Sci::Line EditView::DisplayFromPosition(Surface *surface, const EditModel &model, Sci::Position pos, const ViewStyle &vs) { |
808 | const Sci::Line lineDoc = model.pdoc->SciLineFromPosition(pos); |
809 | Sci::Line lineDisplay = model.pcs->DisplayFromDoc(lineDoc); |
810 | std::shared_ptr<LineLayout> ll = RetrieveLineLayout(lineDoc, model); |
811 | if (surface && ll) { |
812 | LayoutLine(model, surface, vs, ll.get(), model.wrapWidth); |
813 | const Sci::Position posLineStart = model.pdoc->LineStart(lineDoc); |
814 | const Sci::Position posInLine = pos - posLineStart; |
815 | lineDisplay--; // To make up for first increment ahead. |
816 | for (int subLine = 0; subLine < ll->lines; subLine++) { |
817 | if (posInLine >= ll->LineStart(subLine)) { |
818 | lineDisplay++; |
819 | } |
820 | } |
821 | } |
822 | return lineDisplay; |
823 | } |
824 | |
825 | Sci::Position EditView::StartEndDisplayLine(Surface *surface, const EditModel &model, Sci::Position pos, bool start, const ViewStyle &vs) { |
826 | const Sci::Line line = model.pdoc->SciLineFromPosition(pos); |
827 | std::shared_ptr<LineLayout> ll = RetrieveLineLayout(line, model); |
828 | Sci::Position posRet = Sci::invalidPosition; |
829 | if (surface && ll) { |
830 | const Sci::Position posLineStart = model.pdoc->LineStart(line); |
831 | LayoutLine(model, surface, vs, ll.get(), model.wrapWidth); |
832 | const Sci::Position posInLine = pos - posLineStart; |
833 | if (posInLine <= ll->maxLineLength) { |
834 | for (int subLine = 0; subLine < ll->lines; subLine++) { |
835 | if ((posInLine >= ll->LineStart(subLine)) && |
836 | (posInLine <= ll->LineStart(subLine + 1)) && |
837 | (posInLine <= ll->numCharsBeforeEOL)) { |
838 | if (start) { |
839 | posRet = ll->LineStart(subLine) + posLineStart; |
840 | } else { |
841 | if (subLine == ll->lines - 1) |
842 | posRet = ll->numCharsBeforeEOL + posLineStart; |
843 | else |
844 | posRet = model.pdoc->MovePositionOutsideChar(ll->LineStart(subLine + 1) + posLineStart - 1, -1, false); |
845 | } |
846 | } |
847 | } |
848 | } |
849 | } |
850 | return posRet; |
851 | } |
852 | |
853 | namespace { |
854 | |
855 | constexpr ColourRGBA bugColour = ColourRGBA(0xff, 0, 0xff, 0xf0); |
856 | |
857 | // Selection background colours are always defined, the value_or is to show if bug |
858 | |
859 | ColourRGBA SelectionBackground(const EditModel &model, const ViewStyle &vsDraw, InSelection inSelection) { |
860 | if (inSelection == InSelection::inNone) |
861 | return bugColour; // Not selected is a bug |
862 | |
863 | Element element = Element::SelectionBack; |
864 | if (inSelection == InSelection::inAdditional) |
865 | element = Element::SelectionAdditionalBack; |
866 | if (!model.primarySelection) |
867 | element = Element::SelectionSecondaryBack; |
868 | if (!model.hasFocus && vsDraw.ElementColour(Element::SelectionInactiveBack)) |
869 | element = Element::SelectionInactiveBack; |
870 | return vsDraw.ElementColour(element).value_or(bugColour); |
871 | } |
872 | |
873 | std::optional<ColourRGBA> SelectionForeground(const EditModel &model, const ViewStyle &vsDraw, InSelection inSelection) { |
874 | if (inSelection == InSelection::inNone) |
875 | return {}; |
876 | Element element = Element::SelectionText; |
877 | if (inSelection == InSelection::inAdditional) |
878 | element = Element::SelectionAdditionalText; |
879 | if (!model.primarySelection) // Secondary selection |
880 | element = Element::SelectionSecondaryText; |
881 | if (!model.hasFocus) { |
882 | if (vsDraw.ElementColour(Element::SelectionInactiveText)) { |
883 | element = Element::SelectionInactiveText; |
884 | } else { |
885 | return {}; |
886 | } |
887 | } |
888 | return vsDraw.ElementColour(element); |
889 | } |
890 | |
891 | } |
892 | |
893 | static ColourRGBA TextBackground(const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
894 | std::optional<ColourRGBA> background, InSelection inSelection, bool inHotspot, int styleMain, Sci::Position i) { |
895 | if (inSelection && (vsDraw.selection.layer == Layer::Base)) { |
896 | return SelectionBackground(model, vsDraw, inSelection).Opaque(); |
897 | } |
898 | if ((vsDraw.edgeState == EdgeVisualStyle::Background) && |
899 | (i >= ll->edgeColumn) && |
900 | (i < ll->numCharsBeforeEOL)) |
901 | return vsDraw.theEdge.colour; |
902 | if (inHotspot && vsDraw.ElementColour(Element::HotSpotActiveBack)) |
903 | return vsDraw.ElementColour(Element::HotSpotActiveBack)->Opaque(); |
904 | if (background && (styleMain != StyleBraceLight) && (styleMain != StyleBraceBad)) { |
905 | return *background; |
906 | } else { |
907 | return vsDraw.styles[styleMain].back; |
908 | } |
909 | } |
910 | |
911 | void EditView::DrawIndentGuide(Surface *surface, Sci::Line lineVisible, int lineHeight, XYPOSITION start, PRectangle rcSegment, bool highlight) { |
912 | const Point from = Point::FromInts(0, ((lineVisible & 1) && (lineHeight & 1)) ? 1 : 0); |
913 | const PRectangle rcCopyArea(start + 1, rcSegment.top, |
914 | start + 2, rcSegment.bottom); |
915 | surface->Copy(rcCopyArea, from, |
916 | highlight ? *pixmapIndentGuideHighlight : *pixmapIndentGuide); |
917 | } |
918 | |
919 | static void DrawTextBlob(Surface *surface, const ViewStyle &vsDraw, PRectangle rcSegment, |
920 | std::string_view text, ColourRGBA textBack, ColourRGBA textFore, bool fillBackground) { |
921 | if (rcSegment.Empty()) |
922 | return; |
923 | if (fillBackground) { |
924 | surface->FillRectangleAligned(rcSegment, Fill(textBack)); |
925 | } |
926 | const Font *ctrlCharsFont = vsDraw.styles[StyleControlChar].font.get(); |
927 | const int normalCharHeight = static_cast<int>(std::ceil(vsDraw.styles[StyleControlChar].capitalHeight)); |
928 | PRectangle rcCChar = rcSegment; |
929 | rcCChar.left = rcCChar.left + 1; |
930 | rcCChar.top = rcSegment.top + vsDraw.maxAscent - normalCharHeight; |
931 | rcCChar.bottom = rcSegment.top + vsDraw.maxAscent + 1; |
932 | PRectangle rcCentral = rcCChar; |
933 | rcCentral.top++; |
934 | rcCentral.bottom--; |
935 | surface->FillRectangleAligned(rcCentral, Fill(textFore)); |
936 | PRectangle rcChar = rcCChar; |
937 | rcChar.left++; |
938 | rcChar.right--; |
939 | surface->DrawTextClippedUTF8(rcChar, ctrlCharsFont, |
940 | rcSegment.top + vsDraw.maxAscent, text, |
941 | textBack, textFore); |
942 | } |
943 | |
944 | static void DrawCaretLineFramed(Surface *surface, const ViewStyle &vsDraw, const LineLayout *ll, PRectangle rcLine, int subLine) { |
945 | const std::optional<ColourRGBA> caretlineBack = vsDraw.ElementColour(Element::CaretLineBack); |
946 | if (!caretlineBack) { |
947 | return; |
948 | } |
949 | |
950 | const ColourRGBA colourFrame = (vsDraw.caretLine.layer == Layer::Base) ? |
951 | caretlineBack->Opaque() : *caretlineBack; |
952 | |
953 | const int width = vsDraw.GetFrameWidth(); |
954 | |
955 | // Avoid double drawing the corners by removing the left and right sides when drawing top and bottom borders |
956 | const PRectangle rcWithoutLeftRight = rcLine.Inset(Point(width, 0.0)); |
957 | |
958 | if (subLine == 0 || ll->wrapIndent == 0 || vsDraw.caretLine.layer != Layer::Base || vsDraw.caretLine.subLine) { |
959 | // Left |
960 | surface->FillRectangleAligned(Side(rcLine, Edge::left, width), colourFrame); |
961 | } |
962 | if (subLine == 0 || vsDraw.caretLine.subLine) { |
963 | // Top |
964 | surface->FillRectangleAligned(Side(rcWithoutLeftRight, Edge::top, width), colourFrame); |
965 | } |
966 | if (subLine == ll->lines - 1 || vsDraw.caretLine.layer != Layer::Base || vsDraw.caretLine.subLine) { |
967 | // Right |
968 | surface->FillRectangleAligned(Side(rcLine, Edge::right, width), colourFrame); |
969 | } |
970 | if (subLine == ll->lines - 1 || vsDraw.caretLine.subLine) { |
971 | // Bottom |
972 | surface->FillRectangleAligned(Side(rcWithoutLeftRight, Edge::bottom, width), colourFrame); |
973 | } |
974 | } |
975 | |
976 | void EditView::DrawEOL(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
977 | PRectangle rcLine, Sci::Line line, Sci::Position lineEnd, int xStart, int subLine, XYACCUMULATOR subLineStart, |
978 | std::optional<ColourRGBA> background) { |
979 | |
980 | const Sci::Position posLineStart = model.pdoc->LineStart(line); |
981 | PRectangle rcSegment = rcLine; |
982 | |
983 | const bool lastSubLine = subLine == (ll->lines - 1); |
984 | XYPOSITION virtualSpace = 0; |
985 | if (lastSubLine) { |
986 | const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth; |
987 | virtualSpace = model.sel.VirtualSpaceFor(model.pdoc->LineEnd(line)) * spaceWidth; |
988 | } |
989 | const XYPOSITION xEol = static_cast<XYPOSITION>(ll->positions[lineEnd] - subLineStart); |
990 | |
991 | // Fill the virtual space and show selections within it |
992 | if (virtualSpace > 0.0f) { |
993 | rcSegment.left = xEol + xStart; |
994 | rcSegment.right = xEol + xStart + virtualSpace; |
995 | const ColourRGBA backgroundFill = background.value_or(vsDraw.styles[ll->styles[ll->numCharsInLine]].back); |
996 | surface->FillRectangleAligned(rcSegment, backgroundFill); |
997 | if (!hideSelection && (vsDraw.selection.layer == Layer::Base)) { |
998 | const SelectionSegment virtualSpaceRange(SelectionPosition(model.pdoc->LineEnd(line)), |
999 | SelectionPosition(model.pdoc->LineEnd(line), |
1000 | model.sel.VirtualSpaceFor(model.pdoc->LineEnd(line)))); |
1001 | for (size_t r = 0; r<model.sel.Count(); r++) { |
1002 | const SelectionSegment portion = model.sel.Range(r).Intersect(virtualSpaceRange); |
1003 | if (!portion.Empty()) { |
1004 | const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth; |
1005 | rcSegment.left = xStart + ll->positions[portion.start.Position() - posLineStart] - |
1006 | static_cast<XYPOSITION>(subLineStart)+portion.start.VirtualSpace() * spaceWidth; |
1007 | rcSegment.right = xStart + ll->positions[portion.end.Position() - posLineStart] - |
1008 | static_cast<XYPOSITION>(subLineStart)+portion.end.VirtualSpace() * spaceWidth; |
1009 | rcSegment.left = (rcSegment.left > rcLine.left) ? rcSegment.left : rcLine.left; |
1010 | rcSegment.right = (rcSegment.right < rcLine.right) ? rcSegment.right : rcLine.right; |
1011 | surface->FillRectangleAligned(rcSegment, Fill( |
1012 | SelectionBackground(model, vsDraw, model.sel.RangeType(r)).Opaque())); |
1013 | } |
1014 | } |
1015 | } |
1016 | } |
1017 | |
1018 | InSelection eolInSelection = InSelection::inNone; |
1019 | if (!hideSelection && lastSubLine) { |
1020 | eolInSelection = model.LineEndInSelection(line); |
1021 | } |
1022 | |
1023 | const ColourRGBA selectionBack = SelectionBackground(model, vsDraw, eolInSelection); |
1024 | |
1025 | // Draw the [CR], [LF], or [CR][LF] blobs if visible line ends are on |
1026 | XYPOSITION blobsWidth = 0; |
1027 | if (lastSubLine) { |
1028 | for (Sci::Position eolPos = ll->numCharsBeforeEOL; eolPos<ll->numCharsInLine;) { |
1029 | const int styleMain = ll->styles[eolPos]; |
1030 | const std::optional<ColourRGBA> selectionFore = SelectionForeground(model, vsDraw, eolInSelection); |
1031 | ColourRGBA textFore = selectionFore.value_or(vsDraw.styles[styleMain].fore); |
1032 | char hexits[4] = "" ; |
1033 | std::string_view ctrlChar; |
1034 | Sci::Position widthBytes = 1; |
1035 | RepresentationAppearance appearance = RepresentationAppearance::Blob; |
1036 | const Representation *repr = model.reprs.RepresentationFromCharacter(std::string_view(&ll->chars[eolPos], ll->numCharsInLine - eolPos)); |
1037 | if (repr) { |
1038 | // Representation of whole text |
1039 | widthBytes = ll->numCharsInLine - eolPos; |
1040 | } else { |
1041 | repr = model.reprs.RepresentationFromCharacter(std::string_view(&ll->chars[eolPos], 1)); |
1042 | } |
1043 | if (repr) { |
1044 | ctrlChar = repr->stringRep; |
1045 | appearance = repr->appearance; |
1046 | if (FlagSet(appearance, RepresentationAppearance::Colour)) { |
1047 | textFore = repr->colour; |
1048 | } |
1049 | } else { |
1050 | const unsigned char chEOL = ll->chars[eolPos]; |
1051 | if (UTF8IsAscii(chEOL)) { |
1052 | ctrlChar = ControlCharacterString(chEOL); |
1053 | } else { |
1054 | Hexits(hexits, chEOL); |
1055 | ctrlChar = hexits; |
1056 | } |
1057 | } |
1058 | |
1059 | rcSegment.left = xStart + ll->positions[eolPos] - static_cast<XYPOSITION>(subLineStart)+virtualSpace; |
1060 | rcSegment.right = xStart + ll->positions[eolPos + widthBytes] - static_cast<XYPOSITION>(subLineStart)+virtualSpace; |
1061 | blobsWidth += rcSegment.Width(); |
1062 | const ColourRGBA textBack = TextBackground(model, vsDraw, ll, background, eolInSelection, false, styleMain, eolPos); |
1063 | if (eolInSelection && (line < model.pdoc->LinesTotal() - 1)) { |
1064 | if (vsDraw.selection.layer == Layer::Base) { |
1065 | surface->FillRectangleAligned(rcSegment, Fill(selectionBack.Opaque())); |
1066 | } else { |
1067 | surface->FillRectangleAligned(rcSegment, Fill(textBack)); |
1068 | } |
1069 | } else { |
1070 | surface->FillRectangleAligned(rcSegment, Fill(textBack)); |
1071 | } |
1072 | const bool drawEOLSelection = eolInSelection && (line < model.pdoc->LinesTotal() - 1); |
1073 | ColourRGBA blobText = textBack; |
1074 | if (drawEOLSelection && (vsDraw.selection.layer == Layer::UnderText)) { |
1075 | surface->FillRectangleAligned(rcSegment, selectionBack); |
1076 | blobText = textBack.MixedWith(selectionBack, selectionBack.GetAlphaComponent()); |
1077 | } |
1078 | if (FlagSet(appearance, RepresentationAppearance::Blob)) { |
1079 | DrawTextBlob(surface, vsDraw, rcSegment, ctrlChar, blobText, textFore, phasesDraw == PhasesDraw::One); |
1080 | } else { |
1081 | surface->DrawTextTransparentUTF8(rcSegment, vsDraw.styles[StyleControlChar].font.get(), |
1082 | rcSegment.top + vsDraw.maxAscent, ctrlChar, textFore); |
1083 | } |
1084 | if (drawEOLSelection && (vsDraw.selection.layer == Layer::OverText)) { |
1085 | surface->FillRectangleAligned(rcSegment, selectionBack); |
1086 | } |
1087 | eolPos += widthBytes; |
1088 | } |
1089 | } |
1090 | |
1091 | // Draw the eol-is-selected rectangle |
1092 | rcSegment.left = xEol + xStart + virtualSpace + blobsWidth; |
1093 | rcSegment.right = rcSegment.left + vsDraw.aveCharWidth; |
1094 | |
1095 | if (eolInSelection && (line < model.pdoc->LinesTotal() - 1) && (vsDraw.selection.layer == Layer::Base)) { |
1096 | surface->FillRectangleAligned(rcSegment, Fill(selectionBack.Opaque())); |
1097 | } else { |
1098 | if (background) { |
1099 | surface->FillRectangleAligned(rcSegment, Fill(*background)); |
1100 | } else if (line < model.pdoc->LinesTotal() - 1) { |
1101 | surface->FillRectangleAligned(rcSegment, Fill(vsDraw.styles[ll->styles[ll->numCharsInLine]].back)); |
1102 | } else if (vsDraw.styles[ll->styles[ll->numCharsInLine]].eolFilled) { |
1103 | surface->FillRectangleAligned(rcSegment, Fill(vsDraw.styles[ll->styles[ll->numCharsInLine]].back)); |
1104 | } else { |
1105 | surface->FillRectangleAligned(rcSegment, Fill(vsDraw.styles[StyleDefault].back)); |
1106 | } |
1107 | if (eolInSelection && (line < model.pdoc->LinesTotal() - 1) && (vsDraw.selection.layer != Layer::Base)) { |
1108 | surface->FillRectangleAligned(rcSegment, selectionBack); |
1109 | } |
1110 | } |
1111 | |
1112 | rcSegment.left = rcSegment.right; |
1113 | if (rcSegment.left < rcLine.left) |
1114 | rcSegment.left = rcLine.left; |
1115 | rcSegment.right = rcLine.right; |
1116 | |
1117 | const bool drawEOLAnnotationStyledText = (vsDraw.eolAnnotationVisible != EOLAnnotationVisible::Hidden) && model.pdoc->EOLAnnotationStyledText(line).text; |
1118 | const bool fillRemainder = (!lastSubLine || (!model.GetFoldDisplayText(line) && !drawEOLAnnotationStyledText)); |
1119 | if (fillRemainder) { |
1120 | // Fill the remainder of the line |
1121 | FillLineRemainder(surface, model, vsDraw, ll, line, rcSegment, subLine); |
1122 | } |
1123 | |
1124 | bool drawWrapMarkEnd = false; |
1125 | |
1126 | if (subLine + 1 < ll->lines) { |
1127 | if (FlagSet(vsDraw.wrap.visualFlags, WrapVisualFlag::End)) { |
1128 | drawWrapMarkEnd = ll->LineStart(subLine + 1) != 0; |
1129 | } |
1130 | if (vsDraw.IsLineFrameOpaque(model.caret.active, ll->containsCaret)) { |
1131 | // Draw right of frame under marker |
1132 | surface->FillRectangleAligned(Side(rcLine, Edge::right, vsDraw.GetFrameWidth()), |
1133 | vsDraw.ElementColour(Element::CaretLineBack)->Opaque()); |
1134 | } |
1135 | } |
1136 | |
1137 | if (drawWrapMarkEnd) { |
1138 | PRectangle rcPlace = rcSegment; |
1139 | |
1140 | if (FlagSet(vsDraw.wrap.visualFlagsLocation, WrapVisualLocation::EndByText)) { |
1141 | rcPlace.left = xEol + xStart + virtualSpace; |
1142 | rcPlace.right = rcPlace.left + vsDraw.aveCharWidth; |
1143 | } else { |
1144 | // rcLine is clipped to text area |
1145 | rcPlace.right = rcLine.right; |
1146 | rcPlace.left = rcPlace.right - vsDraw.aveCharWidth; |
1147 | } |
1148 | if (!customDrawWrapMarker) { |
1149 | DrawWrapMarker(surface, rcPlace, true, vsDraw.WrapColour()); |
1150 | } else { |
1151 | customDrawWrapMarker(surface, rcPlace, true, vsDraw.WrapColour()); |
1152 | } |
1153 | } |
1154 | } |
1155 | |
1156 | static void DrawIndicator(int indicNum, Sci::Position startPos, Sci::Position endPos, Surface *surface, const ViewStyle &vsDraw, |
1157 | const LineLayout *ll, int xStart, PRectangle rcLine, Sci::Position secondCharacter, int subLine, Indicator::State state, |
1158 | int value, bool bidiEnabled, int tabWidthMinimumPixels) { |
1159 | |
1160 | const XYPOSITION subLineStart = ll->positions[ll->LineStart(subLine)]; |
1161 | |
1162 | std::vector<PRectangle> rectangles; |
1163 | |
1164 | const PRectangle rcIndic( |
1165 | ll->positions[startPos] + xStart - subLineStart, |
1166 | rcLine.top + vsDraw.maxAscent, |
1167 | ll->positions[endPos] + xStart - subLineStart, |
1168 | rcLine.top + vsDraw.maxAscent + 3); |
1169 | |
1170 | if (bidiEnabled) { |
1171 | ScreenLine screenLine(ll, subLine, vsDraw, rcLine.right - xStart, tabWidthMinimumPixels); |
1172 | const Range lineRange = ll->SubLineRange(subLine, LineLayout::Scope::visibleOnly); |
1173 | |
1174 | std::unique_ptr<IScreenLineLayout> slLayout = surface->Layout(&screenLine); |
1175 | std::vector<Interval> intervals = slLayout->FindRangeIntervals( |
1176 | startPos - lineRange.start, endPos - lineRange.start); |
1177 | for (const Interval &interval : intervals) { |
1178 | PRectangle rcInterval = rcIndic; |
1179 | rcInterval.left = interval.left + xStart; |
1180 | rcInterval.right = interval.right + xStart; |
1181 | rectangles.push_back(rcInterval); |
1182 | } |
1183 | } else { |
1184 | rectangles.push_back(rcIndic); |
1185 | } |
1186 | |
1187 | for (const PRectangle &rc : rectangles) { |
1188 | PRectangle rcFirstCharacter = rc; |
1189 | // Allow full descent space for character indicators |
1190 | rcFirstCharacter.bottom = rcLine.top + vsDraw.maxAscent + vsDraw.maxDescent; |
1191 | if (secondCharacter >= 0) { |
1192 | rcFirstCharacter.right = ll->positions[secondCharacter] + xStart - subLineStart; |
1193 | } else { |
1194 | // Indicator continued from earlier line so make an empty box and don't draw |
1195 | rcFirstCharacter.right = rcFirstCharacter.left; |
1196 | } |
1197 | vsDraw.indicators[indicNum].Draw(surface, rc, rcLine, rcFirstCharacter, state, value); |
1198 | } |
1199 | } |
1200 | |
1201 | static void DrawIndicators(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1202 | Sci::Line line, int xStart, PRectangle rcLine, int subLine, Sci::Position lineEnd, bool under, int tabWidthMinimumPixels) { |
1203 | // Draw decorators |
1204 | const Sci::Position posLineStart = model.pdoc->LineStart(line); |
1205 | const Sci::Position lineStart = ll->LineStart(subLine); |
1206 | const Sci::Position posLineEnd = posLineStart + lineEnd; |
1207 | |
1208 | for (const IDecoration *deco : model.pdoc->decorations->View()) { |
1209 | if (under == vsDraw.indicators[deco->Indicator()].under) { |
1210 | Sci::Position startPos = posLineStart + lineStart; |
1211 | if (!deco->ValueAt(startPos)) { |
1212 | startPos = deco->EndRun(startPos); |
1213 | } |
1214 | while ((startPos < posLineEnd) && (deco->ValueAt(startPos))) { |
1215 | const Range rangeRun(deco->StartRun(startPos), deco->EndRun(startPos)); |
1216 | const Sci::Position endPos = std::min(rangeRun.end, posLineEnd); |
1217 | const bool hover = vsDraw.indicators[deco->Indicator()].IsDynamic() && |
1218 | rangeRun.ContainsCharacter(model.hoverIndicatorPos); |
1219 | const int value = deco->ValueAt(startPos); |
1220 | const Indicator::State state = hover ? Indicator::State::hover : Indicator::State::normal; |
1221 | const Sci::Position posSecond = model.pdoc->MovePositionOutsideChar(rangeRun.First() + 1, 1); |
1222 | DrawIndicator(deco->Indicator(), startPos - posLineStart, endPos - posLineStart, |
1223 | surface, vsDraw, ll, xStart, rcLine, posSecond - posLineStart, subLine, state, |
1224 | value, model.BidirectionalEnabled(), tabWidthMinimumPixels); |
1225 | startPos = endPos; |
1226 | if (!deco->ValueAt(startPos)) { |
1227 | startPos = deco->EndRun(startPos); |
1228 | } |
1229 | } |
1230 | } |
1231 | } |
1232 | |
1233 | // Use indicators to highlight matching braces |
1234 | if ((vsDraw.braceHighlightIndicatorSet && (model.bracesMatchStyle == StyleBraceLight)) || |
1235 | (vsDraw.braceBadLightIndicatorSet && (model.bracesMatchStyle == StyleBraceBad))) { |
1236 | const int braceIndicator = (model.bracesMatchStyle == StyleBraceLight) ? vsDraw.braceHighlightIndicator : vsDraw.braceBadLightIndicator; |
1237 | if (under == vsDraw.indicators[braceIndicator].under) { |
1238 | const Range rangeLine(posLineStart + lineStart, posLineEnd); |
1239 | if (rangeLine.ContainsCharacter(model.braces[0])) { |
1240 | const Sci::Position braceOffset = model.braces[0] - posLineStart; |
1241 | if (braceOffset < ll->numCharsInLine) { |
1242 | const Sci::Position secondOffset = model.pdoc->MovePositionOutsideChar(model.braces[0] + 1, 1) - posLineStart; |
1243 | DrawIndicator(braceIndicator, braceOffset, braceOffset + 1, surface, vsDraw, ll, xStart, rcLine, secondOffset, |
1244 | subLine, Indicator::State::normal, 1, model.BidirectionalEnabled(), tabWidthMinimumPixels); |
1245 | } |
1246 | } |
1247 | if (rangeLine.ContainsCharacter(model.braces[1])) { |
1248 | const Sci::Position braceOffset = model.braces[1] - posLineStart; |
1249 | if (braceOffset < ll->numCharsInLine) { |
1250 | const Sci::Position secondOffset = model.pdoc->MovePositionOutsideChar(model.braces[1] + 1, 1) - posLineStart; |
1251 | DrawIndicator(braceIndicator, braceOffset, braceOffset + 1, surface, vsDraw, ll, xStart, rcLine, secondOffset, |
1252 | subLine, Indicator::State::normal, 1, model.BidirectionalEnabled(), tabWidthMinimumPixels); |
1253 | } |
1254 | } |
1255 | } |
1256 | } |
1257 | } |
1258 | |
1259 | void EditView::DrawFoldDisplayText(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1260 | Sci::Line line, int xStart, PRectangle rcLine, int subLine, XYACCUMULATOR subLineStart, DrawPhase phase) { |
1261 | const bool lastSubLine = subLine == (ll->lines - 1); |
1262 | if (!lastSubLine) |
1263 | return; |
1264 | |
1265 | const char *text = model.GetFoldDisplayText(line); |
1266 | if (!text) |
1267 | return; |
1268 | |
1269 | PRectangle rcSegment = rcLine; |
1270 | const std::string_view foldDisplayText(text); |
1271 | const Font *fontText = vsDraw.styles[StyleFoldDisplayText].font.get(); |
1272 | const int widthFoldDisplayText = static_cast<int>(surface->WidthText(fontText, foldDisplayText)); |
1273 | |
1274 | InSelection eolInSelection = InSelection::inNone; |
1275 | if (!hideSelection) { |
1276 | eolInSelection = model.LineEndInSelection(line); |
1277 | } |
1278 | |
1279 | const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth; |
1280 | const XYPOSITION virtualSpace = model.sel.VirtualSpaceFor( |
1281 | model.pdoc->LineEnd(line)) * spaceWidth; |
1282 | rcSegment.left = xStart + static_cast<XYPOSITION>(ll->positions[ll->numCharsInLine] - subLineStart) + virtualSpace + vsDraw.aveCharWidth; |
1283 | rcSegment.right = rcSegment.left + static_cast<XYPOSITION>(widthFoldDisplayText); |
1284 | |
1285 | const std::optional<ColourRGBA> background = vsDraw.Background(model.pdoc->GetMark(line), model.caret.active, ll->containsCaret); |
1286 | const std::optional<ColourRGBA> selectionFore = SelectionForeground(model, vsDraw, eolInSelection); |
1287 | const ColourRGBA textFore = selectionFore.value_or(vsDraw.styles[StyleFoldDisplayText].fore); |
1288 | const ColourRGBA textBack = TextBackground(model, vsDraw, ll, background, eolInSelection, |
1289 | false, StyleFoldDisplayText, -1); |
1290 | |
1291 | if (model.trackLineWidth) { |
1292 | if (rcSegment.right + 1> lineWidthMaxSeen) { |
1293 | // Fold display text border drawn on rcSegment.right with width 1 is the last visible object of the line |
1294 | lineWidthMaxSeen = static_cast<int>(rcSegment.right + 1); |
1295 | } |
1296 | } |
1297 | |
1298 | if (FlagSet(phase, DrawPhase::back)) { |
1299 | surface->FillRectangleAligned(rcSegment, Fill(textBack)); |
1300 | |
1301 | // Fill Remainder of the line |
1302 | PRectangle rcRemainder = rcSegment; |
1303 | rcRemainder.left = rcRemainder.right; |
1304 | if (rcRemainder.left < rcLine.left) |
1305 | rcRemainder.left = rcLine.left; |
1306 | rcRemainder.right = rcLine.right; |
1307 | FillLineRemainder(surface, model, vsDraw, ll, line, rcRemainder, subLine); |
1308 | } |
1309 | |
1310 | if (FlagSet(phase, DrawPhase::text)) { |
1311 | if (phasesDraw != PhasesDraw::One) { |
1312 | surface->DrawTextTransparent(rcSegment, fontText, |
1313 | rcSegment.top + vsDraw.maxAscent, foldDisplayText, |
1314 | textFore); |
1315 | } else { |
1316 | surface->DrawTextNoClip(rcSegment, fontText, |
1317 | rcSegment.top + vsDraw.maxAscent, foldDisplayText, |
1318 | textFore, textBack); |
1319 | } |
1320 | } |
1321 | |
1322 | if (FlagSet(phase, DrawPhase::indicatorsFore)) { |
1323 | if (model.foldDisplayTextStyle == FoldDisplayTextStyle::Boxed) { |
1324 | PRectangle rcBox = rcSegment; |
1325 | rcBox.left = std::round(rcSegment.left); |
1326 | rcBox.right = std::round(rcSegment.right); |
1327 | surface->RectangleFrame(rcBox, Stroke(textFore)); |
1328 | } |
1329 | } |
1330 | |
1331 | if (FlagSet(phase, DrawPhase::selectionTranslucent)) { |
1332 | if (eolInSelection && (line < model.pdoc->LinesTotal() - 1) && (vsDraw.selection.layer != Layer::Base)) { |
1333 | surface->FillRectangleAligned(rcSegment, SelectionBackground(model, vsDraw, eolInSelection)); |
1334 | } |
1335 | } |
1336 | } |
1337 | |
1338 | void EditView::DrawEOLAnnotationText(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, Sci::Line line, int xStart, PRectangle rcLine, int subLine, XYACCUMULATOR subLineStart, DrawPhase phase) { |
1339 | |
1340 | const bool lastSubLine = subLine == (ll->lines - 1); |
1341 | if (!lastSubLine) |
1342 | return; |
1343 | |
1344 | if (vsDraw.eolAnnotationVisible == EOLAnnotationVisible::Hidden) { |
1345 | return; |
1346 | } |
1347 | const StyledText stEOLAnnotation = model.pdoc->EOLAnnotationStyledText(line); |
1348 | if (!stEOLAnnotation.text || !ValidStyledText(vsDraw, vsDraw.eolAnnotationStyleOffset, stEOLAnnotation)) { |
1349 | return; |
1350 | } |
1351 | const std::string_view eolAnnotationText(stEOLAnnotation.text, stEOLAnnotation.length); |
1352 | const size_t style = stEOLAnnotation.style + vsDraw.eolAnnotationStyleOffset; |
1353 | |
1354 | PRectangle rcSegment = rcLine; |
1355 | const Font *fontText = vsDraw.styles[style].font.get(); |
1356 | |
1357 | const Surface::Ends ends = static_cast<Surface::Ends>(static_cast<int>(vsDraw.eolAnnotationVisible) & 0xff); |
1358 | const Surface::Ends leftSide = static_cast<Surface::Ends>(static_cast<int>(ends) & 0xf); |
1359 | const Surface::Ends rightSide = static_cast<Surface::Ends>(static_cast<int>(ends) & 0xf0); |
1360 | |
1361 | XYPOSITION leftBoxSpace = 0; |
1362 | XYPOSITION rightBoxSpace = 0; |
1363 | if (vsDraw.eolAnnotationVisible >= EOLAnnotationVisible::Boxed) { |
1364 | leftBoxSpace = 1; |
1365 | rightBoxSpace = 1; |
1366 | if (vsDraw.eolAnnotationVisible != EOLAnnotationVisible::Boxed) { |
1367 | switch (leftSide) { |
1368 | case Surface::Ends::leftFlat: |
1369 | leftBoxSpace = 1; |
1370 | break; |
1371 | case Surface::Ends::leftAngle: |
1372 | leftBoxSpace = rcLine.Height() / 2.0; |
1373 | break; |
1374 | case Surface::Ends::semiCircles: |
1375 | default: |
1376 | leftBoxSpace = rcLine.Height() / 3.0; |
1377 | break; |
1378 | } |
1379 | switch (rightSide) { |
1380 | case Surface::Ends::rightFlat: |
1381 | rightBoxSpace = 1; |
1382 | break; |
1383 | case Surface::Ends::rightAngle: |
1384 | rightBoxSpace = rcLine.Height() / 2.0; |
1385 | break; |
1386 | case Surface::Ends::semiCircles: |
1387 | default: |
1388 | rightBoxSpace = rcLine.Height() / 3.0; |
1389 | break; |
1390 | } |
1391 | } |
1392 | } |
1393 | const int widthEOLAnnotationText = static_cast<int>(surface->WidthTextUTF8(fontText, eolAnnotationText) + |
1394 | leftBoxSpace + rightBoxSpace); |
1395 | |
1396 | const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth; |
1397 | const XYPOSITION virtualSpace = model.sel.VirtualSpaceFor( |
1398 | model.pdoc->LineEnd(line)) * spaceWidth; |
1399 | rcSegment.left = xStart + |
1400 | static_cast<XYPOSITION>(ll->positions[ll->numCharsInLine] - subLineStart) |
1401 | + virtualSpace + vsDraw.aveCharWidth; |
1402 | |
1403 | const char *textFoldDisplay = model.GetFoldDisplayText(line); |
1404 | if (textFoldDisplay) { |
1405 | const std::string_view foldDisplayText(textFoldDisplay); |
1406 | rcSegment.left += (static_cast<int>(surface->WidthText(fontText, foldDisplayText)) + vsDraw.aveCharWidth); |
1407 | } |
1408 | rcSegment.right = rcSegment.left + static_cast<XYPOSITION>(widthEOLAnnotationText); |
1409 | |
1410 | const std::optional<ColourRGBA> background = vsDraw.Background(model.pdoc->GetMark(line), model.caret.active, ll->containsCaret); |
1411 | const ColourRGBA textFore = vsDraw.styles[style].fore; |
1412 | const ColourRGBA textBack = TextBackground(model, vsDraw, ll, background, InSelection::inNone, |
1413 | false, static_cast<int>(style), -1); |
1414 | |
1415 | if (model.trackLineWidth) { |
1416 | if (rcSegment.right + 1> lineWidthMaxSeen) { |
1417 | // EOL Annotation text border drawn on rcSegment.right with width 1 is the last visible object of the line |
1418 | lineWidthMaxSeen = static_cast<int>(rcSegment.right + 1); |
1419 | } |
1420 | } |
1421 | |
1422 | if (FlagSet(phase, DrawPhase::back)) { |
1423 | // This fills in the whole remainder of the line even though |
1424 | // it may be double drawing. This is to allow stadiums with |
1425 | // curved or angled ends to have the area outside in the correct |
1426 | // background colour. |
1427 | PRectangle rcRemainder = rcSegment; |
1428 | rcRemainder.right = rcLine.right; |
1429 | FillLineRemainder(surface, model, vsDraw, ll, line, rcRemainder, subLine); |
1430 | } |
1431 | |
1432 | PRectangle rcText = rcSegment; |
1433 | rcText.left += leftBoxSpace; |
1434 | rcText.right -= rightBoxSpace; |
1435 | |
1436 | // For single phase drawing, draw the text then any box over it |
1437 | if (FlagSet(phase, DrawPhase::text)) { |
1438 | if (phasesDraw == PhasesDraw::One) { |
1439 | surface->DrawTextNoClipUTF8(rcText, fontText, |
1440 | rcText.top + vsDraw.maxAscent, eolAnnotationText, |
1441 | textFore, textBack); |
1442 | } |
1443 | } |
1444 | |
1445 | // Draw any box or stadium shape |
1446 | if (FlagSet(phase, DrawPhase::indicatorsBack)) { |
1447 | if (vsDraw.eolAnnotationVisible >= EOLAnnotationVisible::Boxed) { |
1448 | PRectangle rcBox = rcSegment; |
1449 | rcBox.left = std::round(rcSegment.left); |
1450 | rcBox.right = std::round(rcSegment.right); |
1451 | if (vsDraw.eolAnnotationVisible == EOLAnnotationVisible::Boxed) { |
1452 | surface->RectangleFrame(rcBox, Stroke(textFore)); |
1453 | } else { |
1454 | if (phasesDraw == PhasesDraw::One) { |
1455 | // Draw an outline around the text |
1456 | surface->Stadium(rcBox, FillStroke(ColourRGBA(textBack, 0), textFore, 1.0), ends); |
1457 | } else { |
1458 | // Draw with a fill to fill the edges of the shape. |
1459 | surface->Stadium(rcBox, FillStroke(textBack, textFore, 1.0), ends); |
1460 | } |
1461 | } |
1462 | } |
1463 | } |
1464 | |
1465 | // For multi-phase drawing draw the text last as transparent over any box |
1466 | if (FlagSet(phase, DrawPhase::text)) { |
1467 | if (phasesDraw != PhasesDraw::One) { |
1468 | surface->DrawTextTransparentUTF8(rcText, fontText, |
1469 | rcText.top + vsDraw.maxAscent, eolAnnotationText, |
1470 | textFore); |
1471 | } |
1472 | } |
1473 | } |
1474 | |
1475 | static constexpr bool AnnotationBoxedOrIndented(AnnotationVisible annotationVisible) noexcept { |
1476 | return annotationVisible == AnnotationVisible::Boxed || annotationVisible == AnnotationVisible::Indented; |
1477 | } |
1478 | |
1479 | void EditView::DrawAnnotation(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1480 | Sci::Line line, int xStart, PRectangle rcLine, int subLine, DrawPhase phase) { |
1481 | const int indent = static_cast<int>(model.pdoc->GetLineIndentation(line) * vsDraw.spaceWidth); |
1482 | PRectangle rcSegment = rcLine; |
1483 | const int annotationLine = subLine - ll->lines; |
1484 | const StyledText stAnnotation = model.pdoc->AnnotationStyledText(line); |
1485 | if (stAnnotation.text && ValidStyledText(vsDraw, vsDraw.annotationStyleOffset, stAnnotation)) { |
1486 | if (FlagSet(phase, DrawPhase::back)) { |
1487 | surface->FillRectangleAligned(rcSegment, Fill(vsDraw.styles[0].back)); |
1488 | } |
1489 | rcSegment.left = static_cast<XYPOSITION>(xStart); |
1490 | if (model.trackLineWidth || AnnotationBoxedOrIndented(vsDraw.annotationVisible)) { |
1491 | // Only care about calculating width if tracking or need to draw indented box |
1492 | int widthAnnotation = WidestLineWidth(surface, vsDraw, vsDraw.annotationStyleOffset, stAnnotation); |
1493 | if (AnnotationBoxedOrIndented(vsDraw.annotationVisible)) { |
1494 | widthAnnotation += static_cast<int>(vsDraw.spaceWidth * 2); // Margins |
1495 | rcSegment.left = static_cast<XYPOSITION>(xStart + indent); |
1496 | rcSegment.right = rcSegment.left + widthAnnotation; |
1497 | } |
1498 | if (widthAnnotation > lineWidthMaxSeen) |
1499 | lineWidthMaxSeen = widthAnnotation; |
1500 | } |
1501 | const int annotationLines = model.pdoc->AnnotationLines(line); |
1502 | size_t start = 0; |
1503 | size_t lengthAnnotation = stAnnotation.LineLength(start); |
1504 | int lineInAnnotation = 0; |
1505 | while ((lineInAnnotation < annotationLine) && (start < stAnnotation.length)) { |
1506 | start += lengthAnnotation + 1; |
1507 | lengthAnnotation = stAnnotation.LineLength(start); |
1508 | lineInAnnotation++; |
1509 | } |
1510 | PRectangle rcText = rcSegment; |
1511 | if ((FlagSet(phase, DrawPhase::back)) && AnnotationBoxedOrIndented(vsDraw.annotationVisible)) { |
1512 | surface->FillRectangleAligned(rcText, |
1513 | Fill(vsDraw.styles[stAnnotation.StyleAt(start) + vsDraw.annotationStyleOffset].back)); |
1514 | rcText.left += vsDraw.spaceWidth; |
1515 | } |
1516 | DrawStyledText(surface, vsDraw, vsDraw.annotationStyleOffset, rcText, |
1517 | stAnnotation, start, lengthAnnotation, phase); |
1518 | if ((FlagSet(phase, DrawPhase::back)) && (vsDraw.annotationVisible == AnnotationVisible::Boxed)) { |
1519 | const ColourRGBA colourBorder = vsDraw.styles[vsDraw.annotationStyleOffset].fore; |
1520 | const PRectangle rcBorder = PixelAlignOutside(rcSegment, surface->PixelDivisions()); |
1521 | surface->FillRectangle(Side(rcBorder, Edge::left, 1), colourBorder); |
1522 | surface->FillRectangle(Side(rcBorder, Edge::right, 1), colourBorder); |
1523 | if (subLine == ll->lines) { |
1524 | surface->FillRectangle(Side(rcBorder, Edge::top, 1), colourBorder); |
1525 | } |
1526 | if (subLine == ll->lines + annotationLines - 1) { |
1527 | surface->FillRectangle(Side(rcBorder, Edge::bottom, 1), colourBorder); |
1528 | } |
1529 | } |
1530 | } |
1531 | } |
1532 | |
1533 | static void DrawBlockCaret(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1534 | int subLine, int xStart, Sci::Position offset, Sci::Position posCaret, PRectangle rcCaret, ColourRGBA caretColour) { |
1535 | |
1536 | const Sci::Position lineStart = ll->LineStart(subLine); |
1537 | Sci::Position posBefore = posCaret; |
1538 | Sci::Position posAfter = model.pdoc->MovePositionOutsideChar(posCaret + 1, 1); |
1539 | Sci::Position numCharsToDraw = posAfter - posCaret; |
1540 | |
1541 | // Work out where the starting and ending offsets are. We need to |
1542 | // see if the previous character shares horizontal space, such as a |
1543 | // glyph / combining character. If so we'll need to draw that too. |
1544 | Sci::Position offsetFirstChar = offset; |
1545 | Sci::Position offsetLastChar = offset + (posAfter - posCaret); |
1546 | while ((posBefore > 0) && ((offsetLastChar - numCharsToDraw) >= lineStart)) { |
1547 | if ((ll->positions[offsetLastChar] - ll->positions[offsetLastChar - numCharsToDraw]) > 0) { |
1548 | // The char does not share horizontal space |
1549 | break; |
1550 | } |
1551 | // Char shares horizontal space, update the numChars to draw |
1552 | // Update posBefore to point to the prev char |
1553 | posBefore = model.pdoc->MovePositionOutsideChar(posBefore - 1, -1); |
1554 | numCharsToDraw = posAfter - posBefore; |
1555 | offsetFirstChar = offset - (posCaret - posBefore); |
1556 | } |
1557 | |
1558 | // See if the next character shares horizontal space, if so we'll |
1559 | // need to draw that too. |
1560 | if (offsetFirstChar < 0) |
1561 | offsetFirstChar = 0; |
1562 | numCharsToDraw = offsetLastChar - offsetFirstChar; |
1563 | while ((offsetLastChar < ll->LineStart(subLine + 1)) && (offsetLastChar <= ll->numCharsInLine)) { |
1564 | // Update posAfter to point to the 2nd next char, this is where |
1565 | // the next character ends, and 2nd next begins. We'll need |
1566 | // to compare these two |
1567 | posBefore = posAfter; |
1568 | posAfter = model.pdoc->MovePositionOutsideChar(posAfter + 1, 1); |
1569 | offsetLastChar = offset + (posAfter - posCaret); |
1570 | if ((ll->positions[offsetLastChar] - ll->positions[offsetLastChar - (posAfter - posBefore)]) > 0) { |
1571 | // The char does not share horizontal space |
1572 | break; |
1573 | } |
1574 | // Char shares horizontal space, update the numChars to draw |
1575 | numCharsToDraw = offsetLastChar - offsetFirstChar; |
1576 | } |
1577 | |
1578 | // We now know what to draw, update the caret drawing rectangle |
1579 | rcCaret.left = ll->positions[offsetFirstChar] - ll->positions[lineStart] + xStart; |
1580 | rcCaret.right = ll->positions[offsetFirstChar + numCharsToDraw] - ll->positions[lineStart] + xStart; |
1581 | |
1582 | // Adjust caret position to take into account any word wrapping symbols. |
1583 | if ((ll->wrapIndent != 0) && (lineStart != 0)) { |
1584 | const XYPOSITION wordWrapCharWidth = ll->wrapIndent; |
1585 | rcCaret.left += wordWrapCharWidth; |
1586 | rcCaret.right += wordWrapCharWidth; |
1587 | } |
1588 | |
1589 | // This character is where the caret block is, we override the colours |
1590 | // (inversed) for drawing the caret here. |
1591 | const int styleMain = ll->styles[offsetFirstChar]; |
1592 | const Font *fontText = vsDraw.styles[styleMain].font.get(); |
1593 | const std::string_view text(&ll->chars[offsetFirstChar], numCharsToDraw); |
1594 | surface->DrawTextClipped(rcCaret, fontText, |
1595 | rcCaret.top + vsDraw.maxAscent, text, vsDraw.styles[styleMain].back, |
1596 | caretColour); |
1597 | } |
1598 | |
1599 | void EditView::DrawCarets(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1600 | Sci::Line lineDoc, int xStart, PRectangle rcLine, int subLine) const { |
1601 | // When drag is active it is the only caret drawn |
1602 | const bool drawDrag = model.posDrag.IsValid(); |
1603 | if (hideSelection && !drawDrag) |
1604 | return; |
1605 | const Sci::Position posLineStart = model.pdoc->LineStart(lineDoc); |
1606 | // For each selection draw |
1607 | for (size_t r = 0; (r<model.sel.Count()) || drawDrag; r++) { |
1608 | const bool mainCaret = r == model.sel.Main(); |
1609 | SelectionPosition posCaret = (drawDrag ? model.posDrag : model.sel.Range(r).caret); |
1610 | if ((vsDraw.DrawCaretInsideSelection(model.inOverstrike, imeCaretBlockOverride)) && |
1611 | !drawDrag && |
1612 | posCaret > model.sel.Range(r).anchor) { |
1613 | if (posCaret.VirtualSpace() > 0) |
1614 | posCaret.SetVirtualSpace(posCaret.VirtualSpace() - 1); |
1615 | else |
1616 | posCaret.SetPosition(model.pdoc->MovePositionOutsideChar(posCaret.Position()-1, -1)); |
1617 | } |
1618 | const int offset = static_cast<int>(posCaret.Position() - posLineStart); |
1619 | const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth; |
1620 | const XYPOSITION virtualOffset = posCaret.VirtualSpace() * spaceWidth; |
1621 | if (ll->InLine(offset, subLine) && offset <= ll->numCharsBeforeEOL) { |
1622 | XYPOSITION xposCaret = ll->positions[offset] + virtualOffset - ll->positions[ll->LineStart(subLine)]; |
1623 | if (model.BidirectionalEnabled() && (posCaret.VirtualSpace() == 0)) { |
1624 | // Get caret point |
1625 | const ScreenLine screenLine(ll, subLine, vsDraw, rcLine.right, tabWidthMinimumPixels); |
1626 | |
1627 | const int caretPosition = offset - ll->LineStart(subLine); |
1628 | |
1629 | std::unique_ptr<IScreenLineLayout> slLayout = surface->Layout(&screenLine); |
1630 | const XYPOSITION caretLeft = slLayout->XFromPosition(caretPosition); |
1631 | |
1632 | // In case of start of line, the cursor should be at the right |
1633 | xposCaret = caretLeft + virtualOffset; |
1634 | } |
1635 | if (ll->wrapIndent != 0) { |
1636 | const Sci::Position lineStart = ll->LineStart(subLine); |
1637 | if (lineStart != 0) // Wrapped |
1638 | xposCaret += ll->wrapIndent; |
1639 | } |
1640 | const bool caretBlinkState = (model.caret.active && model.caret.on) || (!additionalCaretsBlink && !mainCaret); |
1641 | const bool caretVisibleState = additionalCaretsVisible || mainCaret; |
1642 | if ((xposCaret >= 0) && vsDraw.IsCaretVisible(mainCaret) && |
1643 | (drawDrag || (caretBlinkState && caretVisibleState))) { |
1644 | bool canDrawBlockCaret = true; |
1645 | bool drawBlockCaret = false; |
1646 | XYPOSITION widthOverstrikeCaret; |
1647 | XYPOSITION caretWidthOffset = 0; |
1648 | PRectangle rcCaret = rcLine; |
1649 | |
1650 | if (posCaret.Position() == model.pdoc->Length()) { // At end of document |
1651 | canDrawBlockCaret = false; |
1652 | widthOverstrikeCaret = vsDraw.aveCharWidth; |
1653 | } else if ((posCaret.Position() - posLineStart) >= ll->numCharsInLine) { // At end of line |
1654 | canDrawBlockCaret = false; |
1655 | widthOverstrikeCaret = vsDraw.aveCharWidth; |
1656 | } else { |
1657 | const int widthChar = model.pdoc->LenChar(posCaret.Position()); |
1658 | widthOverstrikeCaret = ll->positions[offset + widthChar] - ll->positions[offset]; |
1659 | } |
1660 | if (widthOverstrikeCaret < 3) // Make sure its visible |
1661 | widthOverstrikeCaret = 3; |
1662 | |
1663 | if (xposCaret > 0) |
1664 | caretWidthOffset = 0.51f; // Move back so overlaps both character cells. |
1665 | xposCaret += xStart; |
1666 | const ViewStyle::CaretShape caretShape = drawDrag ? ViewStyle::CaretShape::line : |
1667 | vsDraw.CaretShapeForMode(model.inOverstrike, mainCaret); |
1668 | if (drawDrag) { |
1669 | /* Dragging text, use a line caret */ |
1670 | rcCaret.left = std::round(xposCaret - caretWidthOffset); |
1671 | rcCaret.right = rcCaret.left + vsDraw.caret.width; |
1672 | } else if ((caretShape == ViewStyle::CaretShape::bar) && drawOverstrikeCaret) { |
1673 | /* Over-strike (insert mode), use a modified bar caret */ |
1674 | rcCaret.top = rcCaret.bottom - 2; |
1675 | rcCaret.left = xposCaret + 1; |
1676 | rcCaret.right = rcCaret.left + widthOverstrikeCaret - 1; |
1677 | } else if ((caretShape == ViewStyle::CaretShape::block) || imeCaretBlockOverride) { |
1678 | /* Block caret */ |
1679 | rcCaret.left = xposCaret; |
1680 | if (canDrawBlockCaret && !(IsControl(ll->chars[offset]))) { |
1681 | drawBlockCaret = true; |
1682 | rcCaret.right = xposCaret + widthOverstrikeCaret; |
1683 | } else { |
1684 | rcCaret.right = xposCaret + vsDraw.aveCharWidth; |
1685 | } |
1686 | } else { |
1687 | /* Line caret */ |
1688 | rcCaret.left = std::round(xposCaret - caretWidthOffset); |
1689 | rcCaret.right = rcCaret.left + vsDraw.caret.width; |
1690 | } |
1691 | const Element elementCaret = mainCaret ? Element::Caret : Element::CaretAdditional; |
1692 | const ColourRGBA caretColour = *vsDraw.ElementColour(elementCaret); |
1693 | //assert(caretColour.IsOpaque()); |
1694 | if (drawBlockCaret) { |
1695 | DrawBlockCaret(surface, model, vsDraw, ll, subLine, xStart, offset, posCaret.Position(), rcCaret, caretColour); |
1696 | } else { |
1697 | surface->FillRectangleAligned(rcCaret, Fill(caretColour)); |
1698 | } |
1699 | } |
1700 | } |
1701 | if (drawDrag) |
1702 | break; |
1703 | } |
1704 | } |
1705 | |
1706 | static void DrawWrapIndentAndMarker(Surface *surface, const ViewStyle &vsDraw, const LineLayout *ll, |
1707 | int xStart, PRectangle rcLine, std::optional<ColourRGBA> background, DrawWrapMarkerFn customDrawWrapMarker, |
1708 | bool caretActive) { |
1709 | // default bgnd here.. |
1710 | surface->FillRectangleAligned(rcLine, Fill(background ? *background : |
1711 | vsDraw.styles[StyleDefault].back)); |
1712 | |
1713 | if (vsDraw.IsLineFrameOpaque(caretActive, ll->containsCaret)) { |
1714 | // Draw left of frame under marker |
1715 | surface->FillRectangleAligned(Side(rcLine, Edge::left, vsDraw.GetFrameWidth()), |
1716 | vsDraw.ElementColour(Element::CaretLineBack)->Opaque()); |
1717 | } |
1718 | |
1719 | if (FlagSet(vsDraw.wrap.visualFlags, WrapVisualFlag::Start)) { |
1720 | |
1721 | // draw continuation rect |
1722 | PRectangle rcPlace = rcLine; |
1723 | |
1724 | rcPlace.left = static_cast<XYPOSITION>(xStart); |
1725 | rcPlace.right = rcPlace.left + ll->wrapIndent; |
1726 | |
1727 | if (FlagSet(vsDraw.wrap.visualFlagsLocation, WrapVisualLocation::StartByText)) |
1728 | rcPlace.left = rcPlace.right - vsDraw.aveCharWidth; |
1729 | else |
1730 | rcPlace.right = rcPlace.left + vsDraw.aveCharWidth; |
1731 | |
1732 | if (!customDrawWrapMarker) { |
1733 | DrawWrapMarker(surface, rcPlace, false, vsDraw.WrapColour()); |
1734 | } else { |
1735 | customDrawWrapMarker(surface, rcPlace, false, vsDraw.WrapColour()); |
1736 | } |
1737 | } |
1738 | } |
1739 | |
1740 | // On the curses platform, the terminal is drawing its own caret, so if the caret is within |
1741 | // the main selection, do not draw the selection at that position. |
1742 | // Use iDoc from DrawBackground and DrawForeground here because TextSegment has been adjusted |
1743 | // such that, if the caret is inside the main selection, the beginning or end of that selection |
1744 | // is at the end of a text segment. |
1745 | // This function should only be called if iDoc is within the main selection. |
1746 | static InSelection CharacterInCursesSelection(Sci::Position iDoc, const EditModel &model, const ViewStyle &vsDraw) { |
1747 | const SelectionPosition &posCaret = model.sel.RangeMain().caret; |
1748 | const bool caretAtStart = posCaret < model.sel.RangeMain().anchor && posCaret.Position() == iDoc; |
1749 | const bool caretAtEnd = posCaret > model.sel.RangeMain().anchor && |
1750 | vsDraw.DrawCaretInsideSelection(false, false) && |
1751 | model.pdoc->MovePositionOutsideChar(posCaret.Position() - 1, -1) == iDoc; |
1752 | return (caretAtStart || caretAtEnd) ? InSelection::inNone : InSelection::inMain; |
1753 | } |
1754 | |
1755 | void EditView::DrawBackground(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1756 | PRectangle rcLine, Range lineRange, Sci::Position posLineStart, int xStart, |
1757 | int subLine, std::optional<ColourRGBA> background) const { |
1758 | |
1759 | const bool selBackDrawn = vsDraw.SelectionBackgroundDrawn(); |
1760 | bool inIndentation = subLine == 0; // Do not handle indentation except on first subline. |
1761 | const XYACCUMULATOR subLineStart = ll->positions[lineRange.start]; |
1762 | // Does not take margin into account but not significant |
1763 | const XYPOSITION xStartVisible = static_cast<XYPOSITION>(subLineStart-xStart); |
1764 | |
1765 | const BreakFinder::BreakFor breakFor = selBackDrawn ? BreakFinder::BreakFor::Selection : BreakFinder::BreakFor::Text; |
1766 | BreakFinder bfBack(ll, &model.sel, lineRange, posLineStart, xStartVisible, breakFor, model.pdoc, &model.reprs, &vsDraw); |
1767 | |
1768 | const bool drawWhitespaceBackground = vsDraw.WhitespaceBackgroundDrawn() && !background; |
1769 | |
1770 | // Background drawing loop |
1771 | while (bfBack.More()) { |
1772 | |
1773 | const TextSegment ts = bfBack.Next(); |
1774 | const Sci::Position i = ts.end() - 1; |
1775 | const Sci::Position iDoc = i + posLineStart; |
1776 | |
1777 | PRectangle rcSegment = rcLine; |
1778 | rcSegment.left = ll->positions[ts.start] + xStart - static_cast<XYPOSITION>(subLineStart); |
1779 | rcSegment.right = ll->positions[ts.end()] + xStart - static_cast<XYPOSITION>(subLineStart); |
1780 | // Only try to draw if really visible - enhances performance by not calling environment to |
1781 | // draw strings that are completely past the right side of the window. |
1782 | if (!rcSegment.Empty() && rcSegment.Intersects(rcLine)) { |
1783 | // Clip to line rectangle, since may have a huge position which will not work with some platforms |
1784 | if (rcSegment.left < rcLine.left) |
1785 | rcSegment.left = rcLine.left; |
1786 | if (rcSegment.right > rcLine.right) |
1787 | rcSegment.right = rcLine.right; |
1788 | |
1789 | InSelection inSelection = hideSelection ? InSelection::inNone : model.sel.CharacterInSelection(iDoc); |
1790 | if (FlagSet(vsDraw.caret.style, CaretStyle::Curses) && (inSelection == InSelection::inMain)) |
1791 | inSelection = CharacterInCursesSelection(iDoc, model, vsDraw); |
1792 | const bool inHotspot = model.hotspot.Valid() && model.hotspot.ContainsCharacter(iDoc); |
1793 | ColourRGBA textBack = TextBackground(model, vsDraw, ll, background, inSelection, |
1794 | inHotspot, ll->styles[i], i); |
1795 | if (ts.representation) { |
1796 | if (ll->chars[i] == '\t') { |
1797 | // Tab display |
1798 | if (drawWhitespaceBackground && vsDraw.WhiteSpaceVisible(inIndentation)) { |
1799 | textBack = vsDraw.ElementColour(Element::WhiteSpaceBack)->Opaque(); |
1800 | } |
1801 | } else { |
1802 | // Blob display |
1803 | inIndentation = false; |
1804 | } |
1805 | surface->FillRectangleAligned(rcSegment, Fill(textBack)); |
1806 | } else { |
1807 | // Normal text display |
1808 | surface->FillRectangleAligned(rcSegment, Fill(textBack)); |
1809 | if (vsDraw.viewWhitespace != WhiteSpace::Invisible) { |
1810 | for (int cpos = 0; cpos <= i - ts.start; cpos++) { |
1811 | if (ll->chars[cpos + ts.start] == ' ') { |
1812 | if (drawWhitespaceBackground && vsDraw.WhiteSpaceVisible(inIndentation)) { |
1813 | const PRectangle rcSpace( |
1814 | ll->positions[cpos + ts.start] + xStart - static_cast<XYPOSITION>(subLineStart), |
1815 | rcSegment.top, |
1816 | ll->positions[cpos + ts.start + 1] + xStart - static_cast<XYPOSITION>(subLineStart), |
1817 | rcSegment.bottom); |
1818 | surface->FillRectangleAligned(rcSpace, |
1819 | vsDraw.ElementColour(Element::WhiteSpaceBack)->Opaque()); |
1820 | } |
1821 | } else { |
1822 | inIndentation = false; |
1823 | } |
1824 | } |
1825 | } |
1826 | } |
1827 | } else if (rcSegment.left > rcLine.right) { |
1828 | break; |
1829 | } |
1830 | } |
1831 | } |
1832 | |
1833 | static void DrawEdgeLine(Surface *surface, const ViewStyle &vsDraw, const LineLayout *ll, PRectangle rcLine, |
1834 | Range lineRange, int xStart) { |
1835 | if (vsDraw.edgeState == EdgeVisualStyle::Line) { |
1836 | PRectangle rcSegment = rcLine; |
1837 | const int edgeX = static_cast<int>(vsDraw.theEdge.column * vsDraw.spaceWidth); |
1838 | rcSegment.left = static_cast<XYPOSITION>(edgeX + xStart); |
1839 | if ((ll->wrapIndent != 0) && (lineRange.start != 0)) |
1840 | rcSegment.left -= ll->wrapIndent; |
1841 | rcSegment.right = rcSegment.left + 1; |
1842 | surface->FillRectangleAligned(rcSegment, Fill(vsDraw.theEdge.colour)); |
1843 | } else if (vsDraw.edgeState == EdgeVisualStyle::MultiLine) { |
1844 | for (size_t edge = 0; edge < vsDraw.theMultiEdge.size(); edge++) { |
1845 | if (vsDraw.theMultiEdge[edge].column >= 0) { |
1846 | PRectangle rcSegment = rcLine; |
1847 | const int edgeX = static_cast<int>(vsDraw.theMultiEdge[edge].column * vsDraw.spaceWidth); |
1848 | rcSegment.left = static_cast<XYPOSITION>(edgeX + xStart); |
1849 | if ((ll->wrapIndent != 0) && (lineRange.start != 0)) |
1850 | rcSegment.left -= ll->wrapIndent; |
1851 | rcSegment.right = rcSegment.left + 1; |
1852 | surface->FillRectangleAligned(rcSegment, Fill(vsDraw.theMultiEdge[edge].colour)); |
1853 | } |
1854 | } |
1855 | } |
1856 | } |
1857 | |
1858 | // Draw underline mark as part of background if on base layer |
1859 | static void DrawMarkUnderline(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, |
1860 | Sci::Line line, PRectangle rcLine) { |
1861 | int marks = model.pdoc->GetMark(line); |
1862 | for (int markBit = 0; (markBit < 32) && marks; markBit++) { |
1863 | if ((marks & 1) && (vsDraw.markers[markBit].markType == MarkerSymbol::Underline) && |
1864 | (vsDraw.markers[markBit].layer == Layer::Base)) { |
1865 | PRectangle rcUnderline = rcLine; |
1866 | rcUnderline.top = rcUnderline.bottom - 2; |
1867 | surface->FillRectangleAligned(rcUnderline, Fill(vsDraw.markers[markBit].back)); |
1868 | } |
1869 | marks >>= 1; |
1870 | } |
1871 | } |
1872 | |
1873 | static void DrawTranslucentSelection(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1874 | Sci::Line line, PRectangle rcLine, int subLine, Range lineRange, int xStart, int tabWidthMinimumPixels, Layer layer) { |
1875 | if (vsDraw.selection.layer == layer) { |
1876 | const Sci::Position posLineStart = model.pdoc->LineStart(line); |
1877 | const XYACCUMULATOR subLineStart = ll->positions[lineRange.start]; |
1878 | // For each selection draw |
1879 | Sci::Position virtualSpaces = 0; |
1880 | if (subLine == (ll->lines - 1)) { |
1881 | virtualSpaces = model.sel.VirtualSpaceFor(model.pdoc->LineEnd(line)); |
1882 | } |
1883 | const SelectionPosition posStart(posLineStart + lineRange.start); |
1884 | const SelectionPosition posEnd(posLineStart + lineRange.end, virtualSpaces); |
1885 | const SelectionSegment virtualSpaceRange(posStart, posEnd); |
1886 | for (size_t r = 0; r < model.sel.Count(); r++) { |
1887 | const SelectionSegment portion = model.sel.Range(r).Intersect(virtualSpaceRange); |
1888 | if (!portion.Empty()) { |
1889 | const ColourRGBA selectionBack = SelectionBackground( |
1890 | model, vsDraw, model.sel.RangeType(r)); |
1891 | const XYPOSITION spaceWidth = vsDraw.styles[ll->EndLineStyle()].spaceWidth; |
1892 | if (model.BidirectionalEnabled()) { |
1893 | const int selectionStart = static_cast<int>(portion.start.Position() - posLineStart - lineRange.start); |
1894 | const int selectionEnd = static_cast<int>(portion.end.Position() - posLineStart - lineRange.start); |
1895 | |
1896 | const ScreenLine screenLine(ll, subLine, vsDraw, rcLine.right, tabWidthMinimumPixels); |
1897 | std::unique_ptr<IScreenLineLayout> slLayout = surface->Layout(&screenLine); |
1898 | |
1899 | const std::vector<Interval> intervals = slLayout->FindRangeIntervals(selectionStart, selectionEnd); |
1900 | for (const Interval &interval : intervals) { |
1901 | const XYPOSITION rcRight = interval.right + xStart; |
1902 | const XYPOSITION rcLeft = interval.left + xStart; |
1903 | const PRectangle rcSelection(rcLeft, rcLine.top, rcRight, rcLine.bottom); |
1904 | surface->FillRectangleAligned(rcSelection, selectionBack); |
1905 | } |
1906 | |
1907 | if (portion.end.VirtualSpace()) { |
1908 | const XYPOSITION xStartVirtual = ll->positions[lineRange.end] - |
1909 | static_cast<XYPOSITION>(subLineStart) + xStart; |
1910 | PRectangle rcSegment = rcLine; |
1911 | rcSegment.left = xStartVirtual + portion.start.VirtualSpace() * spaceWidth; |
1912 | rcSegment.right = xStartVirtual + portion.end.VirtualSpace() * spaceWidth; |
1913 | surface->FillRectangleAligned(rcSegment, selectionBack); |
1914 | } |
1915 | } else { |
1916 | PRectangle rcSegment = rcLine; |
1917 | rcSegment.left = xStart + ll->positions[portion.start.Position() - posLineStart] - |
1918 | static_cast<XYPOSITION>(subLineStart) + portion.start.VirtualSpace() * spaceWidth; |
1919 | rcSegment.right = xStart + ll->positions[portion.end.Position() - posLineStart] - |
1920 | static_cast<XYPOSITION>(subLineStart) + portion.end.VirtualSpace() * spaceWidth; |
1921 | if ((ll->wrapIndent != 0) && (lineRange.start != 0)) { |
1922 | if ((portion.start.Position() - posLineStart) == lineRange.start && model.sel.Range(r).ContainsCharacter(portion.start.Position() - 1)) |
1923 | rcSegment.left -= static_cast<int>(ll->wrapIndent); // indentation added to xStart was truncated to int, so we do the same here |
1924 | } |
1925 | rcSegment.left = (rcSegment.left > rcLine.left) ? rcSegment.left : rcLine.left; |
1926 | rcSegment.right = (rcSegment.right < rcLine.right) ? rcSegment.right : rcLine.right; |
1927 | if (rcSegment.right > rcLine.left) |
1928 | surface->FillRectangleAligned(rcSegment, selectionBack); |
1929 | } |
1930 | } |
1931 | } |
1932 | } |
1933 | } |
1934 | |
1935 | // Draw any translucent whole line states |
1936 | static void DrawTranslucentLineState(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1937 | Sci::Line line, PRectangle rcLine, int subLine, Layer layer) { |
1938 | if ((model.caret.active || vsDraw.caretLine.alwaysShow) && vsDraw.ElementColour(Element::CaretLineBack) && ll->containsCaret && |
1939 | vsDraw.caretLine.layer == layer) { |
1940 | if (vsDraw.caretLine.frame) { |
1941 | DrawCaretLineFramed(surface, vsDraw, ll, rcLine, subLine); |
1942 | } else { |
1943 | surface->FillRectangleAligned(rcLine, *vsDraw.ElementColour(Element::CaretLineBack)); |
1944 | } |
1945 | } |
1946 | const int marksOfLine = model.pdoc->GetMark(line); |
1947 | int marksDrawnInText = marksOfLine & vsDraw.maskDrawInText; |
1948 | for (int markBit = 0; (markBit < 32) && marksDrawnInText; markBit++) { |
1949 | if ((marksDrawnInText & 1) && (vsDraw.markers[markBit].layer == layer)) { |
1950 | if (vsDraw.markers[markBit].markType == MarkerSymbol::Background) { |
1951 | surface->FillRectangleAligned(rcLine, vsDraw.markers[markBit].BackWithAlpha()); |
1952 | } else if (vsDraw.markers[markBit].markType == MarkerSymbol::Underline) { |
1953 | PRectangle rcUnderline = rcLine; |
1954 | rcUnderline.top = rcUnderline.bottom - 2; |
1955 | surface->FillRectangleAligned(rcUnderline, vsDraw.markers[markBit].BackWithAlpha()); |
1956 | } |
1957 | } |
1958 | marksDrawnInText >>= 1; |
1959 | } |
1960 | int marksDrawnInLine = marksOfLine & vsDraw.maskInLine; |
1961 | for (int markBit = 0; (markBit < 32) && marksDrawnInLine; markBit++) { |
1962 | if ((marksDrawnInLine & 1) && (vsDraw.markers[markBit].layer == layer)) { |
1963 | surface->FillRectangleAligned(rcLine, vsDraw.markers[markBit].BackWithAlpha()); |
1964 | } |
1965 | marksDrawnInLine >>= 1; |
1966 | } |
1967 | } |
1968 | |
1969 | void EditView::DrawForeground(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
1970 | Sci::Line lineVisible, PRectangle rcLine, Range lineRange, Sci::Position posLineStart, int xStart, |
1971 | int subLine, std::optional<ColourRGBA> background) { |
1972 | |
1973 | const bool selBackDrawn = vsDraw.SelectionBackgroundDrawn(); |
1974 | const bool drawWhitespaceBackground = vsDraw.WhitespaceBackgroundDrawn() && !background; |
1975 | bool inIndentation = subLine == 0; // Do not handle indentation except on first subline. |
1976 | |
1977 | const XYACCUMULATOR subLineStart = ll->positions[lineRange.start]; |
1978 | const XYPOSITION indentWidth = model.pdoc->IndentSize() * vsDraw.spaceWidth; |
1979 | |
1980 | // Does not take margin into account but not significant |
1981 | const XYPOSITION xStartVisible = static_cast<XYPOSITION>(subLineStart-xStart); |
1982 | |
1983 | // Foreground drawing loop |
1984 | const BreakFinder::BreakFor breakFor = (((phasesDraw == PhasesDraw::One) && selBackDrawn) || vsDraw.SelectionTextDrawn()) |
1985 | ? BreakFinder::BreakFor::ForegroundAndSelection : BreakFinder::BreakFor::Foreground; |
1986 | BreakFinder bfFore(ll, &model.sel, lineRange, posLineStart, xStartVisible, breakFor, model.pdoc, &model.reprs, &vsDraw); |
1987 | |
1988 | while (bfFore.More()) { |
1989 | |
1990 | const TextSegment ts = bfFore.Next(); |
1991 | const Sci::Position i = ts.end() - 1; |
1992 | const Sci::Position iDoc = i + posLineStart; |
1993 | |
1994 | PRectangle rcSegment = rcLine; |
1995 | rcSegment.left = ll->positions[ts.start] + xStart - static_cast<XYPOSITION>(subLineStart); |
1996 | rcSegment.right = ll->positions[ts.end()] + xStart - static_cast<XYPOSITION>(subLineStart); |
1997 | // Only try to draw if really visible - enhances performance by not calling environment to |
1998 | // draw strings that are completely past the right side of the window. |
1999 | if (rcSegment.Intersects(rcLine)) { |
2000 | const int styleMain = ll->styles[i]; |
2001 | ColourRGBA textFore = vsDraw.styles[styleMain].fore; |
2002 | const Font *textFont = vsDraw.styles[styleMain].font.get(); |
2003 | // Hot-spot foreground |
2004 | const bool inHotspot = model.hotspot.Valid() && model.hotspot.ContainsCharacter(iDoc); |
2005 | if (inHotspot) { |
2006 | if (vsDraw.ElementColour(Element::HotSpotActive)) |
2007 | textFore = *vsDraw.ElementColour(Element::HotSpotActive); |
2008 | } |
2009 | if (vsDraw.indicatorsSetFore) { |
2010 | // At least one indicator sets the text colour so see if it applies to this segment |
2011 | for (const IDecoration *deco : model.pdoc->decorations->View()) { |
2012 | const int indicatorValue = deco->ValueAt(ts.start + posLineStart); |
2013 | if (indicatorValue) { |
2014 | const Indicator &indicator = vsDraw.indicators[deco->Indicator()]; |
2015 | bool hover = false; |
2016 | if (indicator.IsDynamic()) { |
2017 | const Sci::Position startPos = ts.start + posLineStart; |
2018 | const Range rangeRun(deco->StartRun(startPos), deco->EndRun(startPos)); |
2019 | hover = rangeRun.ContainsCharacter(model.hoverIndicatorPos); |
2020 | } |
2021 | if (hover) { |
2022 | if (indicator.sacHover.style == IndicatorStyle::TextFore) { |
2023 | textFore = indicator.sacHover.fore; |
2024 | } |
2025 | } else { |
2026 | if (indicator.sacNormal.style == IndicatorStyle::TextFore) { |
2027 | if (FlagSet(indicator.Flags(), IndicFlag::ValueFore)) |
2028 | textFore = ColourRGBA::FromRGB(indicatorValue & static_cast<int>(IndicValue::Mask)); |
2029 | else |
2030 | textFore = indicator.sacNormal.fore; |
2031 | } |
2032 | } |
2033 | } |
2034 | } |
2035 | } |
2036 | InSelection inSelection = hideSelection ? InSelection::inNone : model.sel.CharacterInSelection(iDoc); |
2037 | if (FlagSet(vsDraw.caret.style, CaretStyle::Curses) && (inSelection == InSelection::inMain)) |
2038 | inSelection = CharacterInCursesSelection(iDoc, model, vsDraw); |
2039 | const std::optional<ColourRGBA> selectionFore = SelectionForeground(model, vsDraw, inSelection); |
2040 | if (selectionFore) { |
2041 | textFore = *selectionFore; |
2042 | } |
2043 | ColourRGBA textBack = TextBackground(model, vsDraw, ll, background, inSelection, inHotspot, styleMain, i); |
2044 | if (ts.representation) { |
2045 | if (ll->chars[i] == '\t') { |
2046 | // Tab display |
2047 | if (phasesDraw == PhasesDraw::One) { |
2048 | if (drawWhitespaceBackground && vsDraw.WhiteSpaceVisible(inIndentation)) |
2049 | textBack = vsDraw.ElementColour(Element::WhiteSpaceBack)->Opaque(); |
2050 | surface->FillRectangleAligned(rcSegment, Fill(textBack)); |
2051 | } |
2052 | if (inIndentation && vsDraw.viewIndentationGuides == IndentView::Real) { |
2053 | for (int indentCount = static_cast<int>((ll->positions[i] + epsilon) / indentWidth); |
2054 | indentCount <= (ll->positions[i + 1] - epsilon) / indentWidth; |
2055 | indentCount++) { |
2056 | if (indentCount > 0) { |
2057 | const XYPOSITION xIndent = std::floor(indentCount * indentWidth); |
2058 | DrawIndentGuide(surface, lineVisible, vsDraw.lineHeight, xIndent + xStart, rcSegment, |
2059 | (ll->xHighlightGuide == xIndent)); |
2060 | } |
2061 | } |
2062 | } |
2063 | if (vsDraw.viewWhitespace != WhiteSpace::Invisible) { |
2064 | if (vsDraw.WhiteSpaceVisible(inIndentation)) { |
2065 | const PRectangle rcTab(rcSegment.left + 1, rcSegment.top + tabArrowHeight, |
2066 | rcSegment.right - 1, rcSegment.bottom - vsDraw.maxDescent); |
2067 | const int segmentTop = static_cast<int>(rcSegment.top) + vsDraw.lineHeight / 2; |
2068 | const ColourRGBA whiteSpaceFore = vsDraw.ElementColour(Element::WhiteSpace).value_or(textFore); |
2069 | if (!customDrawTabArrow) |
2070 | DrawTabArrow(surface, rcTab, segmentTop, vsDraw, Stroke(whiteSpaceFore, 1.0f)); |
2071 | else |
2072 | customDrawTabArrow(surface, rcTab, segmentTop, vsDraw, Stroke(whiteSpaceFore, 1.0f)); |
2073 | } |
2074 | } |
2075 | } else { |
2076 | inIndentation = false; |
2077 | if (vsDraw.controlCharSymbol >= 32) { |
2078 | // Using one font for all control characters so it can be controlled independently to ensure |
2079 | // the box goes around the characters tightly. Seems to be no way to work out what height |
2080 | // is taken by an individual character - internal leading gives varying results. |
2081 | const Font *ctrlCharsFont = vsDraw.styles[StyleControlChar].font.get(); |
2082 | const char cc[2] = { static_cast<char>(vsDraw.controlCharSymbol), '\0' }; |
2083 | surface->DrawTextNoClip(rcSegment, ctrlCharsFont, |
2084 | rcSegment.top + vsDraw.maxAscent, |
2085 | cc, textBack, textFore); |
2086 | } else { |
2087 | if (FlagSet(ts.representation->appearance, RepresentationAppearance::Colour)) { |
2088 | textFore = ts.representation->colour; |
2089 | } |
2090 | if (FlagSet(ts.representation->appearance, RepresentationAppearance::Blob)) { |
2091 | DrawTextBlob(surface, vsDraw, rcSegment, ts.representation->stringRep, |
2092 | textBack, textFore, phasesDraw == PhasesDraw::One); |
2093 | } else { |
2094 | surface->DrawTextTransparentUTF8(rcSegment, vsDraw.styles[StyleControlChar].font.get(), |
2095 | rcSegment.top + vsDraw.maxAscent, ts.representation->stringRep, textFore); |
2096 | } |
2097 | } |
2098 | } |
2099 | } else { |
2100 | // Normal text display |
2101 | if (vsDraw.styles[styleMain].visible) { |
2102 | const std::string_view text(&ll->chars[ts.start], i - ts.start + 1); |
2103 | if (phasesDraw != PhasesDraw::One) { |
2104 | surface->DrawTextTransparent(rcSegment, textFont, |
2105 | rcSegment.top + vsDraw.maxAscent, text, textFore); |
2106 | } else { |
2107 | surface->DrawTextNoClip(rcSegment, textFont, |
2108 | rcSegment.top + vsDraw.maxAscent, text, textFore, textBack); |
2109 | } |
2110 | } |
2111 | if (vsDraw.viewWhitespace != WhiteSpace::Invisible || |
2112 | (inIndentation && vsDraw.viewIndentationGuides != IndentView::None)) { |
2113 | for (int cpos = 0; cpos <= i - ts.start; cpos++) { |
2114 | if (ll->chars[cpos + ts.start] == ' ') { |
2115 | if (vsDraw.viewWhitespace != WhiteSpace::Invisible) { |
2116 | if (vsDraw.WhiteSpaceVisible(inIndentation)) { |
2117 | const XYPOSITION xmid = (ll->positions[cpos + ts.start] + ll->positions[cpos + ts.start + 1]) / 2; |
2118 | if ((phasesDraw == PhasesDraw::One) && drawWhitespaceBackground) { |
2119 | textBack = vsDraw.ElementColour(Element::WhiteSpaceBack)->Opaque(); |
2120 | const PRectangle rcSpace( |
2121 | ll->positions[cpos + ts.start] + xStart - static_cast<XYPOSITION>(subLineStart), |
2122 | rcSegment.top, |
2123 | ll->positions[cpos + ts.start + 1] + xStart - static_cast<XYPOSITION>(subLineStart), |
2124 | rcSegment.bottom); |
2125 | surface->FillRectangleAligned(rcSpace, Fill(textBack)); |
2126 | } |
2127 | const int halfDotWidth = vsDraw.whitespaceSize / 2; |
2128 | PRectangle rcDot(xmid + xStart - halfDotWidth - static_cast<XYPOSITION>(subLineStart), |
2129 | rcSegment.top + vsDraw.lineHeight / 2, 0.0f, 0.0f); |
2130 | rcDot.right = rcDot.left + vsDraw.whitespaceSize; |
2131 | rcDot.bottom = rcDot.top + vsDraw.whitespaceSize; |
2132 | const ColourRGBA whiteSpaceFore = vsDraw.ElementColour(Element::WhiteSpace).value_or(textFore); |
2133 | surface->FillRectangleAligned(rcDot, Fill(whiteSpaceFore)); |
2134 | } |
2135 | } |
2136 | if (inIndentation && vsDraw.viewIndentationGuides == IndentView::Real) { |
2137 | for (int indentCount = static_cast<int>((ll->positions[cpos + ts.start] + epsilon) / indentWidth); |
2138 | indentCount <= (ll->positions[cpos + ts.start + 1] - epsilon) / indentWidth; |
2139 | indentCount++) { |
2140 | if (indentCount > 0) { |
2141 | const XYPOSITION xIndent = std::floor(indentCount * indentWidth); |
2142 | DrawIndentGuide(surface, lineVisible, vsDraw.lineHeight, xIndent + xStart, rcSegment, |
2143 | (ll->xHighlightGuide == xIndent)); |
2144 | } |
2145 | } |
2146 | } |
2147 | } else { |
2148 | inIndentation = false; |
2149 | } |
2150 | } |
2151 | } |
2152 | } |
2153 | if (inHotspot && vsDraw.hotspotUnderline) { |
2154 | PRectangle rcUL = rcSegment; |
2155 | rcUL.top = rcUL.top + vsDraw.maxAscent + 1; |
2156 | rcUL.bottom = rcUL.top + 1; |
2157 | if (vsDraw.ElementColour(Element::HotSpotActive)) |
2158 | surface->FillRectangleAligned(rcUL, Fill(*vsDraw.ElementColour(Element::HotSpotActive))); |
2159 | else |
2160 | surface->FillRectangleAligned(rcUL, Fill(textFore)); |
2161 | } else if (vsDraw.styles[styleMain].underline) { |
2162 | PRectangle rcUL = rcSegment; |
2163 | rcUL.top = rcUL.top + vsDraw.maxAscent + 1; |
2164 | rcUL.bottom = rcUL.top + 1; |
2165 | surface->FillRectangleAligned(rcUL, Fill(textFore)); |
2166 | } |
2167 | } else if (rcSegment.left > rcLine.right) { |
2168 | break; |
2169 | } |
2170 | } |
2171 | } |
2172 | |
2173 | void EditView::DrawIndentGuidesOverEmpty(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
2174 | Sci::Line line, Sci::Line lineVisible, PRectangle rcLine, int xStart, int subLine) { |
2175 | if ((vsDraw.viewIndentationGuides == IndentView::LookForward || vsDraw.viewIndentationGuides == IndentView::LookBoth) |
2176 | && (subLine == 0)) { |
2177 | const Sci::Position posLineStart = model.pdoc->LineStart(line); |
2178 | int indentSpace = model.pdoc->GetLineIndentation(line); |
2179 | int xStartText = static_cast<int>(ll->positions[model.pdoc->GetLineIndentPosition(line) - posLineStart]); |
2180 | |
2181 | // Find the most recent line with some text |
2182 | |
2183 | Sci::Line lineLastWithText = line; |
2184 | while (lineLastWithText > std::max(line - 20, static_cast<Sci::Line>(0)) && model.pdoc->IsWhiteLine(lineLastWithText)) { |
2185 | lineLastWithText--; |
2186 | } |
2187 | if (lineLastWithText < line) { |
2188 | xStartText = 100000; // Don't limit to visible indentation on empty line |
2189 | // This line is empty, so use indentation of last line with text |
2190 | int indentLastWithText = model.pdoc->GetLineIndentation(lineLastWithText); |
2191 | const int = LevelIsHeader(model.pdoc->GetFoldLevel(lineLastWithText)); |
2192 | if (isFoldHeader) { |
2193 | // Level is one more level than parent |
2194 | indentLastWithText += model.pdoc->IndentSize(); |
2195 | } |
2196 | if (vsDraw.viewIndentationGuides == IndentView::LookForward) { |
2197 | // In viLookForward mode, previous line only used if it is a fold header |
2198 | if (isFoldHeader) { |
2199 | indentSpace = std::max(indentSpace, indentLastWithText); |
2200 | } |
2201 | } else { // viLookBoth |
2202 | indentSpace = std::max(indentSpace, indentLastWithText); |
2203 | } |
2204 | } |
2205 | |
2206 | Sci::Line lineNextWithText = line; |
2207 | while (lineNextWithText < std::min(line + 20, model.pdoc->LinesTotal()) && model.pdoc->IsWhiteLine(lineNextWithText)) { |
2208 | lineNextWithText++; |
2209 | } |
2210 | if (lineNextWithText > line) { |
2211 | xStartText = 100000; // Don't limit to visible indentation on empty line |
2212 | // This line is empty, so use indentation of first next line with text |
2213 | indentSpace = std::max(indentSpace, |
2214 | model.pdoc->GetLineIndentation(lineNextWithText)); |
2215 | } |
2216 | |
2217 | for (int indentPos = model.pdoc->IndentSize(); indentPos < indentSpace; indentPos += model.pdoc->IndentSize()) { |
2218 | const XYPOSITION xIndent = std::floor(indentPos * vsDraw.spaceWidth); |
2219 | if (xIndent < xStartText) { |
2220 | DrawIndentGuide(surface, lineVisible, vsDraw.lineHeight, xIndent + xStart, rcLine, |
2221 | (ll->xHighlightGuide == xIndent)); |
2222 | } |
2223 | } |
2224 | } |
2225 | } |
2226 | |
2227 | void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
2228 | Sci::Line line, Sci::Line lineVisible, int xStart, PRectangle rcLine, int subLine, DrawPhase phase) { |
2229 | |
2230 | if (subLine >= ll->lines) { |
2231 | DrawAnnotation(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, phase); |
2232 | return; // No further drawing |
2233 | } |
2234 | |
2235 | // See if something overrides the line background colour. |
2236 | const std::optional<ColourRGBA> background = vsDraw.Background(model.pdoc->GetMark(line), model.caret.active, ll->containsCaret); |
2237 | |
2238 | const Sci::Position posLineStart = model.pdoc->LineStart(line); |
2239 | |
2240 | const Range lineRange = ll->SubLineRange(subLine, LineLayout::Scope::visibleOnly); |
2241 | const Range lineRangeIncludingEnd = ll->SubLineRange(subLine, LineLayout::Scope::includeEnd); |
2242 | const XYACCUMULATOR subLineStart = ll->positions[lineRange.start]; |
2243 | |
2244 | if ((ll->wrapIndent != 0) && (subLine > 0)) { |
2245 | if (FlagSet(phase, DrawPhase::back)) { |
2246 | DrawWrapIndentAndMarker(surface, vsDraw, ll, xStart, rcLine, background, customDrawWrapMarker, model.caret.active); |
2247 | } |
2248 | xStart += static_cast<int>(ll->wrapIndent); |
2249 | } |
2250 | |
2251 | if (phasesDraw != PhasesDraw::One) { |
2252 | if (FlagSet(phase, DrawPhase::back)) { |
2253 | DrawBackground(surface, model, vsDraw, ll, rcLine, lineRange, posLineStart, xStart, |
2254 | subLine, background); |
2255 | DrawFoldDisplayText(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, subLineStart, DrawPhase::back); |
2256 | DrawEOLAnnotationText(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, subLineStart, DrawPhase::back); |
2257 | // Remove drawBack to not draw again in DrawFoldDisplayText |
2258 | phase = static_cast<DrawPhase>(static_cast<int>(phase) & ~static_cast<int>(DrawPhase::back)); |
2259 | DrawEOL(surface, model, vsDraw, ll, rcLine, line, lineRange.end, |
2260 | xStart, subLine, subLineStart, background); |
2261 | if (vsDraw.IsLineFrameOpaque(model.caret.active, ll->containsCaret)) |
2262 | DrawCaretLineFramed(surface, vsDraw, ll, rcLine, subLine); |
2263 | } |
2264 | |
2265 | if (FlagSet(phase, DrawPhase::indicatorsBack)) { |
2266 | DrawIndicators(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, |
2267 | lineRangeIncludingEnd.end, true, tabWidthMinimumPixels); |
2268 | DrawEdgeLine(surface, vsDraw, ll, rcLine, lineRange, xStart); |
2269 | DrawMarkUnderline(surface, model, vsDraw, line, rcLine); |
2270 | } |
2271 | } |
2272 | |
2273 | if (FlagSet(phase, DrawPhase::text)) { |
2274 | DrawTranslucentSelection(surface, model, vsDraw, ll, line, rcLine, subLine, lineRange, xStart, tabWidthMinimumPixels, Layer::UnderText); |
2275 | DrawTranslucentLineState(surface, model, vsDraw, ll, line, rcLine, subLine, Layer::UnderText); |
2276 | DrawForeground(surface, model, vsDraw, ll, lineVisible, rcLine, lineRange, posLineStart, xStart, |
2277 | subLine, background); |
2278 | } |
2279 | |
2280 | if (FlagSet(phase, DrawPhase::indentationGuides)) { |
2281 | DrawIndentGuidesOverEmpty(surface, model, vsDraw, ll, line, lineVisible, rcLine, xStart, subLine); |
2282 | } |
2283 | |
2284 | if (FlagSet(phase, DrawPhase::indicatorsFore)) { |
2285 | DrawIndicators(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, |
2286 | lineRangeIncludingEnd.end, false, tabWidthMinimumPixels); |
2287 | } |
2288 | |
2289 | DrawFoldDisplayText(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, subLineStart, phase); |
2290 | DrawEOLAnnotationText(surface, model, vsDraw, ll, line, xStart, rcLine, subLine, subLineStart, phase); |
2291 | |
2292 | if (phasesDraw == PhasesDraw::One) { |
2293 | DrawEOL(surface, model, vsDraw, ll, rcLine, line, lineRange.end, |
2294 | xStart, subLine, subLineStart, background); |
2295 | if (vsDraw.IsLineFrameOpaque(model.caret.active, ll->containsCaret)) |
2296 | DrawCaretLineFramed(surface, vsDraw, ll, rcLine, subLine); |
2297 | DrawEdgeLine(surface, vsDraw, ll, rcLine, lineRange, xStart); |
2298 | DrawMarkUnderline(surface, model, vsDraw, line, rcLine); |
2299 | } |
2300 | |
2301 | if (!hideSelection && FlagSet(phase, DrawPhase::selectionTranslucent)) { |
2302 | DrawTranslucentSelection(surface, model, vsDraw, ll, line, rcLine, subLine, lineRange, xStart, tabWidthMinimumPixels, Layer::OverText); |
2303 | } |
2304 | |
2305 | if (FlagSet(phase, DrawPhase::lineTranslucent)) { |
2306 | DrawTranslucentLineState(surface, model, vsDraw, ll, line, rcLine, subLine, Layer::OverText); |
2307 | } |
2308 | } |
2309 | |
2310 | static void DrawFoldLines(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
2311 | Sci::Line line, PRectangle rcLine, int subLine) { |
2312 | const bool lastSubLine = subLine == (ll->lines - 1); |
2313 | const bool expanded = model.pcs->GetExpanded(line); |
2314 | const FoldLevel level = model.pdoc->GetFoldLevel(line); |
2315 | const FoldLevel levelNext = model.pdoc->GetFoldLevel(line + 1); |
2316 | if (LevelIsHeader(level) && |
2317 | (LevelNumber(level) < LevelNumber(levelNext))) { |
2318 | const ColourRGBA foldLineColour = vsDraw.ElementColour(Element::FoldLine).value_or( |
2319 | vsDraw.styles[StyleDefault].fore); |
2320 | // Paint the line above the fold |
2321 | if ((subLine == 0) && |
2322 | ((expanded && (FlagSet(model.foldFlags, FoldFlag::LineBeforeExpanded))) |
2323 | || |
2324 | (!expanded && (FlagSet(model.foldFlags, FoldFlag::LineBeforeContracted))))) { |
2325 | surface->FillRectangleAligned(Side(rcLine, Edge::top, 1.0), foldLineColour); |
2326 | } |
2327 | // Paint the line below the fold |
2328 | if (lastSubLine && |
2329 | ((expanded && (FlagSet(model.foldFlags, FoldFlag::LineAfterExpanded))) |
2330 | || |
2331 | (!expanded && (FlagSet(model.foldFlags, FoldFlag::LineAfterContracted))))) { |
2332 | surface->FillRectangleAligned(Side(rcLine, Edge::bottom, 1.0), foldLineColour); |
2333 | // If contracted fold line drawn then don't overwrite with hidden line |
2334 | // as fold lines are more specific then hidden lines. |
2335 | if (!expanded) { |
2336 | return; |
2337 | } |
2338 | } |
2339 | } |
2340 | if (lastSubLine && model.pcs->GetVisible(line) && !model.pcs->GetVisible(line + 1)) { |
2341 | std::optional<ColourRGBA> hiddenLineColour = vsDraw.ElementColour(Element::HiddenLine); |
2342 | if (hiddenLineColour) { |
2343 | surface->FillRectangleAligned(Side(rcLine, Edge::bottom, 1.0), *hiddenLineColour); |
2344 | } |
2345 | } |
2346 | } |
2347 | |
2348 | void EditView::PaintText(Surface *surfaceWindow, const EditModel &model, PRectangle rcArea, |
2349 | PRectangle rcClient, const ViewStyle &vsDraw) { |
2350 | // Allow text at start of line to overlap 1 pixel into the margin as this displays |
2351 | // serifs and italic stems for aliased text. |
2352 | const int leftTextOverlap = ((model.xOffset == 0) && (vsDraw.leftMarginWidth > 0)) ? 1 : 0; |
2353 | |
2354 | // Do the painting |
2355 | if (rcArea.right > vsDraw.textStart - leftTextOverlap) { |
2356 | |
2357 | Surface *surface = surfaceWindow; |
2358 | if (bufferedDraw) { |
2359 | surface = pixmapLine.get(); |
2360 | PLATFORM_ASSERT(pixmapLine->Initialised()); |
2361 | } |
2362 | surface->SetMode(SurfaceMode(model.pdoc->dbcsCodePage, model.BidirectionalR2L())); |
2363 | |
2364 | const Point ptOrigin = model.GetVisibleOriginInMain(); |
2365 | |
2366 | const int screenLinePaintFirst = static_cast<int>(rcArea.top) / vsDraw.lineHeight; |
2367 | const int xStart = vsDraw.textStart - model.xOffset + static_cast<int>(ptOrigin.x); |
2368 | |
2369 | const SelectionPosition posCaret = model.posDrag.IsValid() ? model.posDrag : model.sel.RangeMain().caret; |
2370 | const Sci::Line lineCaret = model.pdoc->SciLineFromPosition(posCaret.Position()); |
2371 | const int caretOffset = static_cast<int>(posCaret.Position() - model.pdoc->LineStart(lineCaret)); |
2372 | |
2373 | PRectangle rcTextArea = rcClient; |
2374 | if (vsDraw.marginInside) { |
2375 | rcTextArea.left += vsDraw.textStart; |
2376 | rcTextArea.right -= vsDraw.rightMarginWidth; |
2377 | } else { |
2378 | rcTextArea = rcArea; |
2379 | } |
2380 | |
2381 | // Remove selection margin from drawing area so text will not be drawn |
2382 | // on it in unbuffered mode. |
2383 | const bool clipping = !bufferedDraw && vsDraw.marginInside; |
2384 | if (clipping) { |
2385 | PRectangle rcClipText = rcTextArea; |
2386 | rcClipText.left -= leftTextOverlap; |
2387 | surfaceWindow->SetClip(rcClipText); |
2388 | } |
2389 | |
2390 | // Loop on visible lines |
2391 | #if defined(TIME_PAINTING) |
2392 | double durLayout = 0.0; |
2393 | double durPaint = 0.0; |
2394 | double durCopy = 0.0; |
2395 | ElapsedPeriod epWhole; |
2396 | #endif |
2397 | const bool bracesIgnoreStyle = ((vsDraw.braceHighlightIndicatorSet && (model.bracesMatchStyle == StyleBraceLight)) || |
2398 | (vsDraw.braceBadLightIndicatorSet && (model.bracesMatchStyle == StyleBraceBad))); |
2399 | |
2400 | Sci::Line lineDocPrevious = -1; // Used to avoid laying out one document line multiple times |
2401 | std::shared_ptr<LineLayout> ll; |
2402 | std::vector<DrawPhase> phases; |
2403 | if ((phasesDraw == PhasesDraw::Multiple) && !bufferedDraw) { |
2404 | for (DrawPhase phase = DrawPhase::back; phase <= DrawPhase::carets; phase = static_cast<DrawPhase>(static_cast<int>(phase) * 2)) { |
2405 | phases.push_back(phase); |
2406 | } |
2407 | } else { |
2408 | phases.push_back(DrawPhase::all); |
2409 | } |
2410 | for (const DrawPhase &phase : phases) { |
2411 | int ypos = 0; |
2412 | if (!bufferedDraw) |
2413 | ypos += screenLinePaintFirst * vsDraw.lineHeight; |
2414 | int yposScreen = screenLinePaintFirst * vsDraw.lineHeight; |
2415 | Sci::Line visibleLine = model.TopLineOfMain() + screenLinePaintFirst; |
2416 | while (visibleLine < model.pcs->LinesDisplayed() && yposScreen < rcArea.bottom) { |
2417 | |
2418 | const Sci::Line lineDoc = model.pcs->DocFromDisplay(visibleLine); |
2419 | // Only visible lines should be handled by the code within the loop |
2420 | PLATFORM_ASSERT(model.pcs->GetVisible(lineDoc)); |
2421 | const Sci::Line lineStartSet = model.pcs->DisplayFromDoc(lineDoc); |
2422 | const int subLine = static_cast<int>(visibleLine - lineStartSet); |
2423 | |
2424 | // Copy this line and its styles from the document into local arrays |
2425 | // and determine the x position at which each character starts. |
2426 | #if defined(TIME_PAINTING) |
2427 | ElapsedPeriod ep; |
2428 | #endif |
2429 | if (lineDoc != lineDocPrevious) { |
2430 | ll = RetrieveLineLayout(lineDoc, model); |
2431 | LayoutLine(model, surface, vsDraw, ll.get(), model.wrapWidth); |
2432 | lineDocPrevious = lineDoc; |
2433 | } |
2434 | #if defined(TIME_PAINTING) |
2435 | durLayout += ep.Duration(true); |
2436 | #endif |
2437 | if (ll) { |
2438 | ll->containsCaret = !hideSelection && (lineDoc == lineCaret) |
2439 | && (ll->lines == 1 || !vsDraw.caretLine.subLine || ll->InLine(caretOffset, subLine)); |
2440 | |
2441 | PRectangle rcLine = rcTextArea; |
2442 | rcLine.top = static_cast<XYPOSITION>(ypos); |
2443 | rcLine.bottom = static_cast<XYPOSITION>(ypos + vsDraw.lineHeight); |
2444 | |
2445 | const Range rangeLine(model.pdoc->LineStart(lineDoc), |
2446 | model.pdoc->LineStart(lineDoc + 1)); |
2447 | |
2448 | // Highlight the current braces if any |
2449 | ll->SetBracesHighlight(rangeLine, model.braces, static_cast<char>(model.bracesMatchStyle), |
2450 | static_cast<int>(model.highlightGuideColumn * vsDraw.spaceWidth), bracesIgnoreStyle); |
2451 | |
2452 | if (leftTextOverlap && (bufferedDraw || ((phasesDraw < PhasesDraw::Multiple) && (FlagSet(phase, DrawPhase::back))))) { |
2453 | // Clear the left margin |
2454 | PRectangle rcSpacer = rcLine; |
2455 | rcSpacer.right = rcSpacer.left; |
2456 | rcSpacer.left -= 1; |
2457 | surface->FillRectangleAligned(rcSpacer, Fill(vsDraw.styles[StyleDefault].back)); |
2458 | } |
2459 | |
2460 | if (model.BidirectionalEnabled()) { |
2461 | // Fill the line bidi data |
2462 | UpdateBidiData(model, vsDraw, ll.get()); |
2463 | } |
2464 | |
2465 | DrawLine(surface, model, vsDraw, ll.get(), lineDoc, visibleLine, xStart, rcLine, subLine, phase); |
2466 | #if defined(TIME_PAINTING) |
2467 | durPaint += ep.Duration(true); |
2468 | #endif |
2469 | // Restore the previous styles for the brace highlights in case layout is in cache. |
2470 | ll->RestoreBracesHighlight(rangeLine, model.braces, bracesIgnoreStyle); |
2471 | |
2472 | if (FlagSet(phase, DrawPhase::foldLines)) { |
2473 | DrawFoldLines(surface, model, vsDraw, ll.get(), lineDoc, rcLine, subLine); |
2474 | } |
2475 | |
2476 | if (FlagSet(phase, DrawPhase::carets)) { |
2477 | DrawCarets(surface, model, vsDraw, ll.get(), lineDoc, xStart, rcLine, subLine); |
2478 | } |
2479 | |
2480 | if (bufferedDraw) { |
2481 | const Point from = Point::FromInts(vsDraw.textStart - leftTextOverlap, 0); |
2482 | const PRectangle rcCopyArea = PRectangle::FromInts(vsDraw.textStart - leftTextOverlap, yposScreen, |
2483 | static_cast<int>(rcClient.right - vsDraw.rightMarginWidth), |
2484 | yposScreen + vsDraw.lineHeight); |
2485 | pixmapLine->FlushDrawing(); |
2486 | surfaceWindow->Copy(rcCopyArea, from, *pixmapLine); |
2487 | } |
2488 | |
2489 | lineWidthMaxSeen = std::max( |
2490 | lineWidthMaxSeen, static_cast<int>(ll->positions[ll->numCharsInLine])); |
2491 | #if defined(TIME_PAINTING) |
2492 | durCopy += ep.Duration(true); |
2493 | #endif |
2494 | } |
2495 | |
2496 | if (!bufferedDraw) { |
2497 | ypos += vsDraw.lineHeight; |
2498 | } |
2499 | |
2500 | yposScreen += vsDraw.lineHeight; |
2501 | visibleLine++; |
2502 | } |
2503 | } |
2504 | ll.reset(); |
2505 | #if defined(TIME_PAINTING) |
2506 | if (durPaint < 0.00000001) |
2507 | durPaint = 0.00000001; |
2508 | #endif |
2509 | // Right column limit indicator |
2510 | PRectangle rcBeyondEOF = (vsDraw.marginInside) ? rcClient : rcArea; |
2511 | rcBeyondEOF.left = static_cast<XYPOSITION>(vsDraw.textStart); |
2512 | rcBeyondEOF.right = rcBeyondEOF.right - ((vsDraw.marginInside) ? vsDraw.rightMarginWidth : 0); |
2513 | rcBeyondEOF.top = static_cast<XYPOSITION>((model.pcs->LinesDisplayed() - model.TopLineOfMain()) * vsDraw.lineHeight); |
2514 | if (rcBeyondEOF.top < rcBeyondEOF.bottom) { |
2515 | surfaceWindow->FillRectangleAligned(rcBeyondEOF, Fill(vsDraw.styles[StyleDefault].back)); |
2516 | if (vsDraw.edgeState == EdgeVisualStyle::Line) { |
2517 | const int edgeX = static_cast<int>(vsDraw.theEdge.column * vsDraw.spaceWidth); |
2518 | rcBeyondEOF.left = static_cast<XYPOSITION>(edgeX + xStart); |
2519 | rcBeyondEOF.right = rcBeyondEOF.left + 1; |
2520 | surfaceWindow->FillRectangleAligned(rcBeyondEOF, Fill(vsDraw.theEdge.colour)); |
2521 | } else if (vsDraw.edgeState == EdgeVisualStyle::MultiLine) { |
2522 | for (size_t edge = 0; edge < vsDraw.theMultiEdge.size(); edge++) { |
2523 | if (vsDraw.theMultiEdge[edge].column >= 0) { |
2524 | const int edgeX = static_cast<int>(vsDraw.theMultiEdge[edge].column * vsDraw.spaceWidth); |
2525 | rcBeyondEOF.left = static_cast<XYPOSITION>(edgeX + xStart); |
2526 | rcBeyondEOF.right = rcBeyondEOF.left + 1; |
2527 | surfaceWindow->FillRectangleAligned(rcBeyondEOF, Fill(vsDraw.theMultiEdge[edge].colour)); |
2528 | } |
2529 | } |
2530 | } |
2531 | } |
2532 | |
2533 | if (clipping) |
2534 | surfaceWindow->PopClip(); |
2535 | |
2536 | //Platform::DebugPrintf("start display %d, offset = %d\n", model.pdoc->Length(), model.xOffset); |
2537 | #if defined(TIME_PAINTING) |
2538 | Platform::DebugPrintf( |
2539 | "Layout:%9.6g Paint:%9.6g Ratio:%9.6g Copy:%9.6g Total:%9.6g\n" , |
2540 | durLayout, durPaint, durLayout / durPaint, durCopy, epWhole.Duration()); |
2541 | #endif |
2542 | } |
2543 | } |
2544 | |
2545 | void EditView::FillLineRemainder(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, |
2546 | Sci::Line line, PRectangle rcArea, int subLine) const { |
2547 | InSelection eolInSelection = InSelection::inNone; |
2548 | if ((!hideSelection) && (subLine == (ll->lines - 1))) { |
2549 | eolInSelection = model.LineEndInSelection(line); |
2550 | } |
2551 | |
2552 | const std::optional<ColourRGBA> background = vsDraw.Background(model.pdoc->GetMark(line), model.caret.active, ll->containsCaret); |
2553 | |
2554 | if (eolInSelection && vsDraw.selection.eolFilled && (line < model.pdoc->LinesTotal() - 1) && (vsDraw.selection.layer == Layer::Base)) { |
2555 | surface->FillRectangleAligned(rcArea, Fill(SelectionBackground(model, vsDraw, eolInSelection).Opaque())); |
2556 | } else { |
2557 | if (background) { |
2558 | surface->FillRectangleAligned(rcArea, Fill(*background)); |
2559 | } else if (vsDraw.styles[ll->styles[ll->numCharsInLine]].eolFilled) { |
2560 | surface->FillRectangleAligned(rcArea, Fill(vsDraw.styles[ll->styles[ll->numCharsInLine]].back)); |
2561 | } else { |
2562 | surface->FillRectangleAligned(rcArea, Fill(vsDraw.styles[StyleDefault].back)); |
2563 | } |
2564 | if (eolInSelection && vsDraw.selection.eolFilled && (line < model.pdoc->LinesTotal() - 1) && (vsDraw.selection.layer != Layer::Base)) { |
2565 | surface->FillRectangleAligned(rcArea, SelectionBackground(model, vsDraw, eolInSelection)); |
2566 | } |
2567 | } |
2568 | } |
2569 | |
2570 | // Space (3 space characters) between line numbers and text when printing. |
2571 | #define lineNumberPrintSpace " " |
2572 | |
2573 | static ColourRGBA InvertedLight(ColourRGBA orig) noexcept { |
2574 | unsigned int r = orig.GetRed(); |
2575 | unsigned int g = orig.GetGreen(); |
2576 | unsigned int b = orig.GetBlue(); |
2577 | const unsigned int l = (r + g + b) / 3; // There is a better calculation for this that matches human eye |
2578 | const unsigned int il = 0xff - l; |
2579 | if (l == 0) |
2580 | return ColourRGBA(0xff, 0xff, 0xff); |
2581 | r = r * il / l; |
2582 | g = g * il / l; |
2583 | b = b * il / l; |
2584 | return ColourRGBA(std::min(r, 0xffu), std::min(g, 0xffu), std::min(b, 0xffu)); |
2585 | } |
2586 | |
2587 | Sci::Position EditView::FormatRange(bool draw, const RangeToFormat *pfr, Surface *surface, Surface *surfaceMeasure, |
2588 | const EditModel &model, const ViewStyle &vs) { |
2589 | // Can't use measurements cached for screen |
2590 | posCache.Clear(); |
2591 | |
2592 | ViewStyle vsPrint(vs); |
2593 | vsPrint.technology = Technology::Default; |
2594 | |
2595 | // Modify the view style for printing as do not normally want any of the transient features to be printed |
2596 | // Printing supports only the line number margin. |
2597 | int lineNumberIndex = -1; |
2598 | for (size_t margin = 0; margin < vs.ms.size(); margin++) { |
2599 | if ((vsPrint.ms[margin].style == MarginType::Number) && (vsPrint.ms[margin].width > 0)) { |
2600 | lineNumberIndex = static_cast<int>(margin); |
2601 | } else { |
2602 | vsPrint.ms[margin].width = 0; |
2603 | } |
2604 | } |
2605 | vsPrint.fixedColumnWidth = 0; |
2606 | vsPrint.zoomLevel = printParameters.magnification; |
2607 | // Don't show indentation guides |
2608 | // If this ever gets changed, cached pixmap would need to be recreated if technology != Technology::Default |
2609 | vsPrint.viewIndentationGuides = IndentView::None; |
2610 | // Don't show the selection when printing |
2611 | vsPrint.elementColours.clear(); |
2612 | vsPrint.elementBaseColours.clear(); |
2613 | vsPrint.caretLine.alwaysShow = false; |
2614 | // Don't highlight matching braces using indicators |
2615 | vsPrint.braceHighlightIndicatorSet = false; |
2616 | vsPrint.braceBadLightIndicatorSet = false; |
2617 | |
2618 | // Set colours for printing according to users settings |
2619 | const PrintOption colourMode = printParameters.colourMode; |
2620 | const std::vector<Style>::iterator endStyles = (colourMode == PrintOption::ColourOnWhiteDefaultBG) ? |
2621 | vsPrint.styles.begin() + StyleLineNumber : vsPrint.styles.end(); |
2622 | for (std::vector<Style>::iterator it = vsPrint.styles.begin(); it != endStyles; ++it) { |
2623 | if (colourMode == PrintOption::InvertLight) { |
2624 | it->fore = InvertedLight(it->fore); |
2625 | it->back = InvertedLight(it->back); |
2626 | } else if (colourMode == PrintOption::BlackOnWhite) { |
2627 | it->fore = ColourRGBA(0, 0, 0); |
2628 | it->back = ColourRGBA(0xff, 0xff, 0xff); |
2629 | } else if (colourMode == PrintOption::ColourOnWhite || colourMode == PrintOption::ColourOnWhiteDefaultBG) { |
2630 | it->back = ColourRGBA(0xff, 0xff, 0xff); |
2631 | } |
2632 | } |
2633 | // White background for the line numbers if PrintOption::ScreenColours isn't used |
2634 | if (colourMode != PrintOption::ScreenColours) { |
2635 | vsPrint.styles[StyleLineNumber].back = ColourRGBA(0xff, 0xff, 0xff); |
2636 | } |
2637 | |
2638 | // Printing uses different margins, so reset screen margins |
2639 | vsPrint.leftMarginWidth = 0; |
2640 | vsPrint.rightMarginWidth = 0; |
2641 | |
2642 | vsPrint.Refresh(*surfaceMeasure, model.pdoc->tabInChars); |
2643 | // Determining width must happen after fonts have been realised in Refresh |
2644 | int lineNumberWidth = 0; |
2645 | if (lineNumberIndex >= 0) { |
2646 | lineNumberWidth = static_cast<int>(surfaceMeasure->WidthText(vsPrint.styles[StyleLineNumber].font.get(), |
2647 | "99999" lineNumberPrintSpace)); |
2648 | vsPrint.ms[lineNumberIndex].width = lineNumberWidth; |
2649 | vsPrint.Refresh(*surfaceMeasure, model.pdoc->tabInChars); // Recalculate fixedColumnWidth |
2650 | } |
2651 | |
2652 | const Sci::Line linePrintStart = model.pdoc->SciLineFromPosition(pfr->chrg.cpMin); |
2653 | Sci::Line linePrintLast = linePrintStart + (pfr->rc.bottom - pfr->rc.top) / vsPrint.lineHeight - 1; |
2654 | if (linePrintLast < linePrintStart) |
2655 | linePrintLast = linePrintStart; |
2656 | const Sci::Line linePrintMax = model.pdoc->SciLineFromPosition(pfr->chrg.cpMax); |
2657 | if (linePrintLast > linePrintMax) |
2658 | linePrintLast = linePrintMax; |
2659 | //Platform::DebugPrintf("Formatting lines=[%0d,%0d,%0d] top=%0d bottom=%0d line=%0d %0d\n", |
2660 | // linePrintStart, linePrintLast, linePrintMax, pfr->rc.top, pfr->rc.bottom, vsPrint.lineHeight, |
2661 | // surfaceMeasure->Height(vsPrint.styles[StyleLineNumber].font)); |
2662 | Sci::Position endPosPrint = model.pdoc->Length(); |
2663 | if (linePrintLast < model.pdoc->LinesTotal()) |
2664 | endPosPrint = model.pdoc->LineStart(linePrintLast + 1); |
2665 | |
2666 | // Ensure we are styled to where we are formatting. |
2667 | model.pdoc->EnsureStyledTo(endPosPrint); |
2668 | |
2669 | const int xStart = vsPrint.fixedColumnWidth + pfr->rc.left; |
2670 | int ypos = pfr->rc.top; |
2671 | |
2672 | Sci::Line lineDoc = linePrintStart; |
2673 | |
2674 | Sci::Position nPrintPos = pfr->chrg.cpMin; |
2675 | int visibleLine = 0; |
2676 | int widthPrint = pfr->rc.right - pfr->rc.left - vsPrint.fixedColumnWidth; |
2677 | if (printParameters.wrapState == Wrap::None) |
2678 | widthPrint = LineLayout::wrapWidthInfinite; |
2679 | |
2680 | while (lineDoc <= linePrintLast && ypos < pfr->rc.bottom) { |
2681 | |
2682 | // When printing, the hdc and hdcTarget may be the same, so |
2683 | // changing the state of surfaceMeasure may change the underlying |
2684 | // state of surface. Therefore, any cached state is discarded before |
2685 | // using each surface. |
2686 | surfaceMeasure->FlushCachedState(); |
2687 | |
2688 | // Copy this line and its styles from the document into local arrays |
2689 | // and determine the x position at which each character starts. |
2690 | LineLayout ll(lineDoc, static_cast<int>(model.pdoc->LineStart(lineDoc + 1) - model.pdoc->LineStart(lineDoc) + 1)); |
2691 | LayoutLine(model, surfaceMeasure, vsPrint, &ll, widthPrint); |
2692 | |
2693 | ll.containsCaret = false; |
2694 | |
2695 | PRectangle rcLine = PRectangle::FromInts( |
2696 | pfr->rc.left, |
2697 | ypos, |
2698 | pfr->rc.right - 1, |
2699 | ypos + vsPrint.lineHeight); |
2700 | |
2701 | // When document line is wrapped over multiple display lines, find where |
2702 | // to start printing from to ensure a particular position is on the first |
2703 | // line of the page. |
2704 | if (visibleLine == 0) { |
2705 | const Sci::Position startWithinLine = nPrintPos - |
2706 | model.pdoc->LineStart(lineDoc); |
2707 | for (int iwl = 0; iwl < ll.lines - 1; iwl++) { |
2708 | if (ll.LineStart(iwl) <= startWithinLine && ll.LineStart(iwl + 1) >= startWithinLine) { |
2709 | visibleLine = -iwl; |
2710 | } |
2711 | } |
2712 | |
2713 | if (ll.lines > 1 && startWithinLine >= ll.LineStart(ll.lines - 1)) { |
2714 | visibleLine = -(ll.lines - 1); |
2715 | } |
2716 | } |
2717 | |
2718 | if (draw && lineNumberWidth && |
2719 | (ypos + vsPrint.lineHeight <= pfr->rc.bottom) && |
2720 | (visibleLine >= 0)) { |
2721 | const std::string number = std::to_string(lineDoc + 1) + lineNumberPrintSpace; |
2722 | PRectangle rcNumber = rcLine; |
2723 | rcNumber.right = rcNumber.left + lineNumberWidth; |
2724 | // Right justify |
2725 | rcNumber.left = rcNumber.right - surfaceMeasure->WidthText( |
2726 | vsPrint.styles[StyleLineNumber].font.get(), number); |
2727 | surface->FlushCachedState(); |
2728 | surface->DrawTextNoClip(rcNumber, vsPrint.styles[StyleLineNumber].font.get(), |
2729 | ypos + vsPrint.maxAscent, number, |
2730 | vsPrint.styles[StyleLineNumber].fore, |
2731 | vsPrint.styles[StyleLineNumber].back); |
2732 | } |
2733 | |
2734 | // Draw the line |
2735 | surface->FlushCachedState(); |
2736 | |
2737 | for (int iwl = 0; iwl < ll.lines; iwl++) { |
2738 | if (ypos + vsPrint.lineHeight <= pfr->rc.bottom) { |
2739 | if (visibleLine >= 0) { |
2740 | if (draw) { |
2741 | rcLine.top = static_cast<XYPOSITION>(ypos); |
2742 | rcLine.bottom = static_cast<XYPOSITION>(ypos + vsPrint.lineHeight); |
2743 | DrawLine(surface, model, vsPrint, &ll, lineDoc, visibleLine, xStart, rcLine, iwl, DrawPhase::all); |
2744 | } |
2745 | ypos += vsPrint.lineHeight; |
2746 | } |
2747 | visibleLine++; |
2748 | if (iwl == ll.lines - 1) |
2749 | nPrintPos = model.pdoc->LineStart(lineDoc + 1); |
2750 | else |
2751 | nPrintPos += ll.LineStart(iwl + 1) - ll.LineStart(iwl); |
2752 | } |
2753 | } |
2754 | |
2755 | ++lineDoc; |
2756 | } |
2757 | |
2758 | // Clear cache so measurements are not used for screen |
2759 | posCache.Clear(); |
2760 | |
2761 | return nPrintPos; |
2762 | } |
2763 | |