837 lines
39 KiB
C++
837 lines
39 KiB
C++
#pragma once
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// Included inside CodeEditorWidget (rendering + folds).
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public:
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static int annotationShapeIndex(const std::string& label) {
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size_t h = 0;
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for (unsigned char c : label) h = h * 131 + c;
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return (int)(h % 5);
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}
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static void drawAnnotationShape(ImDrawList* drawList,
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const ImVec2& center,
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float size,
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ImU32 color,
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int shape) {
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switch (shape) {
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case 0: { // circle
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drawList->AddCircleFilled(center, size, color);
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break;
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}
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case 1: { // triangle
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ImVec2 top(center.x, center.y - size);
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ImVec2 left(center.x - size, center.y + size);
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ImVec2 right(center.x + size, center.y + size);
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drawList->AddTriangleFilled(top, left, right, color);
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break;
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}
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case 2: { // square
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ImVec2 a(center.x - size, center.y - size);
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ImVec2 b(center.x + size, center.y + size);
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drawList->AddRectFilled(a, b, color, 0.0f);
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break;
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}
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case 3: { // diamond
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ImVec2 top(center.x, center.y - size);
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ImVec2 right(center.x + size, center.y);
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ImVec2 bottom(center.x, center.y + size);
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ImVec2 left(center.x - size, center.y);
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drawList->AddQuadFilled(top, right, bottom, left, color);
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break;
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}
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default: { // star (outline)
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ImVec2 pts[10];
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for (int i = 0; i < 10; ++i) {
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float angle = (float)(IM_PI * 0.5 + i * (IM_PI / 5.0));
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float radius = (i % 2 == 0) ? size : size * 0.5f;
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pts[i] = ImVec2(center.x + std::cos(angle) * radius,
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center.y - std::sin(angle) * radius);
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}
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drawList->AddPolyline(pts, 10, color, true, 1.5f);
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break;
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}
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}
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}
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CodeEditorResult render(const char* id,
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std::string& text,
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const std::vector<HighlightSpan>& spans,
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const CodeEditorOptions& options,
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const ImVec2& size,
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ImFont* font) {
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CodeEditorResult result;
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if (!font) font = ImGui::GetFont();
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ImGuiIO& io = ImGui::GetIO();
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syncPrimaryToMulti();
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const double nowSeconds = options.nowSeconds > 0.0 ? options.nowSeconds : ImGui::GetTime();
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// Build line start offsets
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std::vector<int> lineStarts;
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lineStarts.reserve(128);
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lineStarts.push_back(0);
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for (int i = 0; i < (int)text.size(); ++i) {
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if (text[i] == '\n') lineStarts.push_back(i + 1);
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}
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const int lineCount = (int)lineStarts.size();
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auto isOpenBracket = [](char c) {
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return c == '(' || c == '[' || c == '{';
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};
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auto isCloseBracket = [](char c) {
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return c == ')' || c == ']' || c == '}';
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};
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auto matchingOpen = [](char c) {
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if (c == ')') return '(';
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if (c == ']') return '[';
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if (c == '}') return '{';
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return '\0';
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};
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auto isBracketChar = [&](char c) {
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return isOpenBracket(c) || isCloseBracket(c);
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};
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std::vector<int> bracketDepth(text.size(), -1);
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std::vector<int> bracketMatch(text.size(), -1);
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std::vector<int> stack;
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std::vector<char> stackChars;
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stack.reserve(128);
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stackChars.reserve(128);
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for (int i = 0; i < (int)text.size(); ++i) {
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char c = text[i];
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if (isOpenBracket(c)) {
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stack.push_back(i);
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stackChars.push_back(c);
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bracketDepth[i] = (int)stack.size() - 1;
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} else if (isCloseBracket(c)) {
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char open = matchingOpen(c);
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if (!stackChars.empty() && stackChars.back() == open) {
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int openPos = stack.back();
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stack.pop_back();
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stackChars.pop_back();
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int depth = (int)stack.size();
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bracketDepth[i] = depth;
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bracketMatch[i] = openPos;
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bracketMatch[openPos] = i;
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}
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}
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}
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std::array<ImU32, 6> rainbow = {
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ThemeEngine::instance().editorColor("bracket_1", IM_COL32(242, 120, 75, 255)),
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ThemeEngine::instance().editorColor("bracket_2", IM_COL32(241, 196, 15, 255)),
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ThemeEngine::instance().editorColor("bracket_3", IM_COL32(46, 204, 113, 255)),
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ThemeEngine::instance().editorColor("bracket_4", IM_COL32(52, 152, 219, 255)),
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ThemeEngine::instance().editorColor("bracket_5", IM_COL32(155, 89, 182, 255)),
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ThemeEngine::instance().editorColor("bracket_6", IM_COL32(231, 76, 60, 255))
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};
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int focusBracketPos = -1;
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int focusBracketMatch = -1;
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if (cursor_ > 0 && cursor_ - 1 < (int)text.size() && isBracketChar(text[cursor_ - 1])) {
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focusBracketPos = cursor_ - 1;
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} else if (cursor_ < (int)text.size() && isBracketChar(text[cursor_])) {
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focusBracketPos = cursor_;
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}
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if (focusBracketPos >= 0 && focusBracketPos < (int)bracketMatch.size()) {
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focusBracketMatch = bracketMatch[focusBracketPos];
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}
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int scopeStartLine = -1;
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int scopeEndLine = -1;
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if (focusBracketMatch >= 0) {
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int start = std::min(focusBracketPos, focusBracketMatch);
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int end = std::max(focusBracketPos, focusBracketMatch);
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scopeStartLine = lineFromPos(start, lineStarts);
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scopeEndLine = lineFromPos(end, lineStarts);
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}
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// Clamp cursor
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if (cursor_ < 0) cursor_ = 0;
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if (cursor_ > (int)text.size()) cursor_ = (int)text.size();
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// Build per-byte category map
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std::vector<TokenCategory> charCats(text.size(), TokenCategory::Plain);
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for (const auto& span : spans) {
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uint32_t end = std::min<uint32_t>(span.end, (uint32_t)charCats.size());
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for (uint32_t i = span.start; i < end; ++i) {
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charCats[i] = span.category;
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}
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}
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if (options.enableFolding && options.mode) {
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updateFolds(text, options.mode->getLanguage());
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} else {
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folds_.clear();
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}
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// Measure
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const float lineHeight =
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ImGui::GetTextLineHeightWithSpacing() * std::max(0.5f, options.lineHeightScale);
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const float baseAdvance = font->CalcTextSizeA(font->FontSize, FLT_MAX, -1.0f, "M").x;
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const float charAdvance = baseAdvance + std::max(0.0f, options.letterSpacing);
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const float gutterWidth = options.showLineNumbers ?
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calcGutterWidth(lineCount, font, charAdvance) : 12.0f;
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const float minimapWidth = options.showMinimap ? 80.0f : 0.0f;
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// Estimate content size for scrollbars
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int maxLineLen = 0;
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for (int ln = 0; ln < lineCount; ++ln) {
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int start = lineStarts[ln];
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int end = (ln + 1 < lineCount) ? lineStarts[ln + 1] - 1 : (int)text.size();
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int len = std::max(0, end - start);
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maxLineLen = std::max(maxLineLen, len);
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}
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ImVec2 contentSize(gutterWidth + maxLineLen * charAdvance + minimapWidth + 4.0f,
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lineCount * lineHeight + 4.0f);
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ImGui::BeginChild(id, size, false, ImGuiWindowFlags_HorizontalScrollbar);
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if (options.syncScrollX && !options.scrollMaster) {
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ImGui::SetScrollX(*options.syncScrollX);
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}
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if (options.syncScrollY && !options.scrollMaster) {
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ImGui::SetScrollY(*options.syncScrollY);
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}
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std::string annoPopupId = std::string(id) + "_AnnoPopup";
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ImVec2 origin = ImGui::GetCursorScreenPos();
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// Dummy to set scroll extents
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ImGui::Dummy(contentSize);
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ImDrawList* drawList = ImGui::GetWindowDrawList();
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const float scrollX = ImGui::GetScrollX();
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const float scrollY = ImGui::GetScrollY();
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if (options.syncScrollX && options.scrollMaster) {
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*options.syncScrollX = scrollX;
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}
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if (options.syncScrollY && options.scrollMaster) {
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*options.syncScrollY = scrollY;
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}
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ImVec2 gutterBase(origin.x, origin.y - scrollY);
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ImVec2 textBase(origin.x + gutterWidth - scrollX, origin.y - scrollY);
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const float windowWidth = ImGui::GetWindowContentRegionMax().x - ImGui::GetWindowContentRegionMin().x;
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const float minimapBaseX = origin.x + std::max(0.0f, windowWidth - minimapWidth);
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const float minimapBaseY = origin.y - scrollY;
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// Focus and input
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const bool hovered = ImGui::IsWindowHovered();
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const bool focused = ImGui::IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows);
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// Mouse handling
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if (hovered && ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
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ImGui::SetKeyboardFocusHere(-1);
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const ImVec2 mouse = ImGui::GetMousePos();
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if (options.showMinimap && mouse.x >= minimapBaseX) {
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float miniHeight = lineCount * lineHeight;
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if (miniHeight > 0.0f) {
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float localY = mouse.y - minimapBaseY;
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float t = std::max(0.0f, std::min(1.0f, localY / miniHeight));
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float targetScroll = t * lineCount * lineHeight;
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ImGui::SetScrollY(targetScroll);
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}
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selecting_ = false;
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goto after_mouse;
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}
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bool ctrlClick = io.KeyCtrl || io.KeySuper;
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bool altClick = io.KeyAlt;
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bool columnSelect = io.KeyAlt && io.KeyShift;
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int clickCount = ImGui::GetIO().MouseClickedCount[0];
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if (mouse.x < origin.x + gutterWidth || clickCount >= 3) {
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int line = lineFromMouseY(mouse.y, gutterBase.y, lineHeight, lineCount);
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result.lineClicked = true;
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result.clickedLine = line;
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const FoldRegion* fold = findFoldAtLine(line);
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if (fold && mouse.x < origin.x + 12.0f) {
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toggleFoldAtLine(line);
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}
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int lineStart = lineStarts[line];
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int lineEnd = (line + 1 < lineCount) ? lineStarts[line + 1] : (int)text.size();
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cursor_ = lineStart;
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selStart_ = lineStart;
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selEnd_ = lineEnd;
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} else if (columnSelect) {
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int pos = positionFromMouse(mouse, textBase, lineStarts, text, charAdvance, lineHeight);
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int line = lineFromPos(pos, lineStarts);
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int col = pos - lineStarts[line];
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columnSelectActive_ = true;
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columnAnchorLine_ = line;
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columnAnchorCol_ = col;
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updateColumnSelection(text, lineStarts, columnAnchorLine_, columnAnchorCol_, line, col);
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selecting_ = true;
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goto after_mouse;
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} else if (altClick) {
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int pos = positionFromMouse(mouse, textBase, lineStarts, text, charAdvance, lineHeight);
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addCursorAt(pos);
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selecting_ = false;
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goto after_mouse;
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} else {
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clearExtraCursors();
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int pos = positionFromMouse(mouse, textBase, lineStarts, text, charAdvance, lineHeight);
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result.lineClicked = true;
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result.clickedLine = lineFromPos(pos, lineStarts);
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if (ctrlClick) {
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result.ctrlClick = true;
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result.ctrlClickPos = pos;
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result.ctrlClickLine = result.clickedLine;
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result.ctrlClickCol = pos - lineStarts[result.ctrlClickLine];
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}
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if (ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)) {
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selectWordAt(text, pos);
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} else if (ImGui::GetIO().KeyShift) {
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if (!hasSelection()) selStart_ = cursor_;
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cursor_ = pos;
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selEnd_ = cursor_;
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} else {
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cursor_ = pos;
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selStart_ = cursor_;
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selEnd_ = cursor_;
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}
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}
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selecting_ = true;
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}
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after_mouse:
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if (hovered && selecting_ && ImGui::IsMouseDown(ImGuiMouseButton_Left)) {
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const ImVec2 mouse = ImGui::GetMousePos();
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if (mouse.x >= origin.x + gutterWidth) {
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int pos = positionFromMouse(mouse, textBase, lineStarts, text, charAdvance, lineHeight);
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if (columnSelectActive_ && (io.KeyAlt && io.KeyShift)) {
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int line = lineFromPos(pos, lineStarts);
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int col = pos - lineStarts[line];
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updateColumnSelection(text, lineStarts, columnAnchorLine_, columnAnchorCol_, line, col);
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} else {
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selEnd_ = pos;
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}
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}
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}
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if (selecting_ && ImGui::IsMouseReleased(ImGuiMouseButton_Left)) {
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selecting_ = false;
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columnSelectActive_ = false;
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}
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if (hovered) {
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const ImVec2 mouse = ImGui::GetMousePos();
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if (mouse.x >= origin.x + gutterWidth &&
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(!options.showMinimap || mouse.x < minimapBaseX)) {
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int pos = positionFromMouse(mouse, textBase, lineStarts, text, charAdvance, lineHeight);
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int line = lineFromPos(pos, lineStarts);
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result.hoverValid = true;
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result.hoverPos = pos;
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result.hoverLine = line;
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result.hoverCol = pos - lineStarts[line];
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}
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}
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// Keyboard input
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if (focused && !options.readOnly) {
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handleKeyboard(text, result.changed, lineStarts, options.mode);
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}
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// Render visible lines
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const int firstLine = std::max(0, (int)(scrollY / lineHeight));
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const int visibleLines = (int)(ImGui::GetContentRegionAvail().y / lineHeight) + 2;
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const int lastLine = std::min(lineCount - 1, firstLine + visibleLines);
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const float textAreaWidth = std::max(0.0f, windowWidth - gutterWidth - minimapWidth);
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const int currentLine = lineFromPos(cursor_, lineStarts);
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std::vector<bool> hiddenLines(lineCount, false);
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for (const auto& f : folds_) {
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if (!f.folded) continue;
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for (int l = f.startLine + 1; l <= f.endLine && l < lineCount; ++l) {
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hiddenLines[l] = true;
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}
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}
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for (int ln = firstLine; ln <= lastLine; ++ln) {
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if (ln >= 0 && ln < lineCount && hiddenLines[ln]) continue;
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int start = lineStarts[ln];
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int end = (ln + 1 < lineCount) ? lineStarts[ln + 1] - 1 : (int)text.size();
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int len = std::max(0, end - start);
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float y = textBase.y + ln * lineHeight;
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// Gutter background
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ImVec2 gutterA(origin.x, y);
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ImVec2 gutterB(origin.x + gutterWidth, y + lineHeight);
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drawList->AddRectFilled(
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gutterA, gutterB,
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ThemeEngine::instance().editorColor("gutter_bg",
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IM_COL32(20, 20, 20, 255)));
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// Line number (right-aligned)
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if (options.showLineNumbers) {
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char numBuf[16];
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snprintf(numBuf, sizeof(numBuf), "%d", ln + 1);
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ImVec2 numSize = font->CalcTextSizeA(font->FontSize, FLT_MAX, -1.0f, numBuf);
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ImVec2 numPos(origin.x + gutterWidth - 4.0f - numSize.x, y);
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drawList->AddText(font, font->FontSize, numPos,
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ThemeEngine::instance().editorColor("gutter_text",
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IM_COL32(120, 120, 120, 255)),
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numBuf);
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}
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// Diagnostics marker
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bool hasError = lineIn(options.errorLines, ln);
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bool hasWarn = lineIn(options.warningLines, ln);
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if (hasError || hasWarn) {
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ImU32 color = hasError
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? ThemeEngine::instance().editorColor("diag_error", IM_COL32(220, 80, 80, 255))
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: ThemeEngine::instance().editorColor("diag_warning", IM_COL32(220, 160, 60, 255));
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ImVec2 center(origin.x + 3.0f, y + lineHeight * 0.5f);
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drawList->AddCircleFilled(center, 3.0f, color);
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}
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DiagnosticRange securityDiag;
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bool hasSecurity = options.diagnostics &&
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securityDiagnosticAtLine(*options.diagnostics, ln, securityDiag);
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if (hasSecurity) {
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ImU32 secColor = (securityDiag.severity == 1)
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? ThemeEngine::instance().editorColor("diag_error", IM_COL32(220, 80, 80, 255))
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: (securityDiag.severity == 2)
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? ThemeEngine::instance().editorColor("diag_warning", IM_COL32(220, 160, 60, 255))
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: ThemeEngine::instance().editorColor("diag_info", IM_COL32(90, 160, 220, 255));
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ImVec2 center(origin.x + 12.0f, y + lineHeight * 0.5f);
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ImVec2 top(center.x, center.y - 4.0f);
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ImVec2 left(center.x - 4.0f, center.y - 1.0f);
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ImVec2 right(center.x + 4.0f, center.y - 1.0f);
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ImVec2 bottom(center.x, center.y + 4.0f);
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drawList->AddTriangleFilled(top, left, right, secColor);
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drawList->AddTriangleFilled(left, right, bottom, secColor);
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}
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if (options.diagnostics) {
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std::string msg = diagnosticMessageAtLine(*options.diagnostics, ln);
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ImVec2 gutterA(origin.x, y);
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ImVec2 gutterB(origin.x + gutterWidth, y + lineHeight);
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if (!msg.empty()) {
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bool hover = ImGui::IsMouseHoveringRect(gutterA, gutterB);
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renderRichTooltip("diag_gutter_" + std::to_string(ln),
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msg,
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hover,
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options.reduceMotion,
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font);
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}
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if (hasSecurity && !securityDiag.message.empty()) {
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bool hover = ImGui::IsMouseHoveringRect(gutterA, gutterB);
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renderRichTooltip("security_gutter_" + std::to_string(ln),
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securityDiag.message,
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hover,
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options.reduceMotion,
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font);
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}
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}
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// Annotation marker
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if (options.annotations) {
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AnnotationMarker marker;
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if (annotationAtLine(*options.annotations, ln, marker)) {
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ImVec2 center(origin.x + 12.0f, y + lineHeight * 0.5f);
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if (options.useAnnotationShapes) {
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int shape = annotationShapeIndex(marker.message);
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drawAnnotationShape(drawList, center, 3.5f, marker.color, shape);
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} else {
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drawList->AddCircleFilled(center, 3.0f, marker.color);
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}
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ImVec2 a(center.x - 4.0f, center.y - 4.0f);
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ImVec2 b(center.x + 4.0f, center.y + 4.0f);
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bool hoverAnno = ImGui::IsMouseHoveringRect(a, b);
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if (hoverAnno) {
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if (ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
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annotationPopupMessage_ = marker.message;
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ImGui::OpenPopup(annoPopupId.c_str());
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}
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|
}
|
|
renderRichTooltip("anno_marker_" + std::to_string(ln),
|
|
marker.message,
|
|
hoverAnno,
|
|
options.reduceMotion,
|
|
font);
|
|
}
|
|
}
|
|
|
|
// Suggestion marker (lightbulb)
|
|
if (options.suggestions) {
|
|
SuggestionMarker suggestion;
|
|
if (suggestionAtLine(*options.suggestions, ln, suggestion)) {
|
|
ImVec2 center(origin.x + 20.0f, y + lineHeight * 0.5f);
|
|
ImU32 color = ThemeEngine::instance().editorColor("suggestion",
|
|
IM_COL32(240, 200, 40, 255));
|
|
drawList->AddCircleFilled(center, 3.0f, color);
|
|
ImVec2 a(center.x - 4.0f, center.y - 4.0f);
|
|
ImVec2 b(center.x + 4.0f, center.y + 4.0f);
|
|
bool hoverSuggestion = ImGui::IsMouseHoveringRect(a, b);
|
|
if (hoverSuggestion) {
|
|
if (ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
|
|
result.suggestionClicked = true;
|
|
result.clickedSuggestion = suggestion;
|
|
}
|
|
}
|
|
if (hoverSuggestion) {
|
|
std::string tip = suggestion.label + " (" +
|
|
std::to_string(suggestion.confidence) + ")\n" +
|
|
suggestion.reason;
|
|
renderRichTooltip("suggestion_marker_" + std::to_string(ln),
|
|
tip,
|
|
hoverSuggestion,
|
|
options.reduceMotion,
|
|
font);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Conflict markers: highlight and connecting line
|
|
if (options.conflicts) {
|
|
AnnotationConflictMarker conflict;
|
|
if (conflictAtLine(*options.conflicts, ln, conflict)) {
|
|
ImVec2 center(origin.x + 12.0f, y + lineHeight * 0.5f);
|
|
drawList->AddCircle(center, 5.0f,
|
|
ThemeEngine::instance().editorColor("conflict",
|
|
IM_COL32(220, 80, 80, 255)),
|
|
12, 1.5f);
|
|
if (ln == std::min(conflict.childLine, conflict.parentLine) &&
|
|
conflict.childLine >= 0 && conflict.parentLine >= 0) {
|
|
float y1 = textBase.y + conflict.childLine * lineHeight + lineHeight * 0.5f;
|
|
float y2 = textBase.y + conflict.parentLine * lineHeight + lineHeight * 0.5f;
|
|
drawList->AddLine(ImVec2(origin.x + 12.0f, y1),
|
|
ImVec2(origin.x + 12.0f, y2),
|
|
ThemeEngine::instance().editorColor("conflict_line",
|
|
IM_COL32(220, 80, 80, 180)),
|
|
1.0f);
|
|
}
|
|
ImVec2 a(center.x - 5.0f, center.y - 5.0f);
|
|
ImVec2 b(center.x + 5.0f, center.y + 5.0f);
|
|
bool hoverConflict = ImGui::IsMouseHoveringRect(a, b);
|
|
renderRichTooltip("conflict_marker_" + std::to_string(ln),
|
|
conflict.message,
|
|
hoverConflict,
|
|
options.reduceMotion,
|
|
font);
|
|
}
|
|
}
|
|
|
|
// Fold indicator
|
|
const FoldRegion* fold = findFoldAtLine(ln);
|
|
if (fold) {
|
|
ImVec2 triCenter(origin.x + 6.0f, y + lineHeight * 0.5f);
|
|
if (fold->folded) {
|
|
drawTriangle(drawList, triCenter,
|
|
ThemeEngine::instance().editorColor("fold_indicator",
|
|
IM_COL32(160, 160, 160, 255)),
|
|
true);
|
|
} else {
|
|
drawTriangle(drawList, triCenter,
|
|
ThemeEngine::instance().editorColor("fold_indicator",
|
|
IM_COL32(160, 160, 160, 255)),
|
|
false);
|
|
}
|
|
}
|
|
|
|
// Current line highlight (text area only)
|
|
if (options.showCurrentLine && ln == currentLine) {
|
|
ImVec2 hlA(textBase.x, y);
|
|
ImVec2 hlB(textBase.x + textAreaWidth, y + lineHeight);
|
|
drawList->AddRectFilled(hlA, hlB,
|
|
ThemeEngine::instance().editorColor("line_highlight",
|
|
IM_COL32(40, 40, 40, 120)));
|
|
}
|
|
if (scopeStartLine >= 0 && ln >= scopeStartLine && ln <= scopeEndLine) {
|
|
ImVec2 hlA(textBase.x, y);
|
|
ImVec2 hlB(textBase.x + textAreaWidth, y + lineHeight);
|
|
drawList->AddRectFilled(hlA, hlB,
|
|
ThemeEngine::instance().editorColor("scope_highlight",
|
|
IM_COL32(60, 60, 90, 40)));
|
|
}
|
|
if (options.highlightLine >= 0 && ln == options.highlightLine) {
|
|
ImVec2 hlA(textBase.x, y);
|
|
ImVec2 hlB(textBase.x + textAreaWidth, y + lineHeight);
|
|
drawList->AddRectFilled(hlA, hlB, options.highlightLineColor);
|
|
}
|
|
if (options.highlightLines) {
|
|
if (std::find(options.highlightLines->begin(),
|
|
options.highlightLines->end(), ln) != options.highlightLines->end()) {
|
|
ImVec2 hlA(textBase.x, y);
|
|
ImVec2 hlB(textBase.x + textAreaWidth, y + lineHeight);
|
|
drawList->AddRectFilled(hlA, hlB, options.highlightLineColor);
|
|
}
|
|
}
|
|
if (options.searchPulseLine >= 0 && ln == options.searchPulseLine) {
|
|
float pulse = AnimationUtils::pulseAlpha(nowSeconds,
|
|
options.searchPulseStart,
|
|
0.6f,
|
|
options.reduceMotion);
|
|
if (pulse > 0.0f) {
|
|
ImU32 base = ThemeEngine::instance().editorColor("search_pulse",
|
|
IM_COL32(240, 200, 80, 160));
|
|
ImVec4 c = ImGui::ColorConvertU32ToFloat4(base);
|
|
c.w *= pulse;
|
|
ImU32 col = ImGui::ColorConvertFloat4ToU32(c);
|
|
ImVec2 hlA(textBase.x, y);
|
|
ImVec2 hlB(textBase.x + textAreaWidth, y + lineHeight);
|
|
drawList->AddRectFilled(hlA, hlB, col);
|
|
}
|
|
}
|
|
|
|
// Selection background
|
|
for (const auto& c : cursors_) {
|
|
if (c.selStart < 0 || c.selEnd < 0 || c.selStart == c.selEnd) continue;
|
|
int selA = std::min(c.selStart, c.selEnd);
|
|
int selB = std::max(c.selStart, c.selEnd);
|
|
int lineSelStart = std::max(selA, start);
|
|
int lineSelEnd = std::min(selB, end);
|
|
if (lineSelStart < lineSelEnd) {
|
|
int colA = lineSelStart - start;
|
|
int colB = lineSelEnd - start;
|
|
ImVec2 a(textBase.x + colA * charAdvance, y);
|
|
ImVec2 b(textBase.x + colB * charAdvance, y + lineHeight);
|
|
drawList->AddRectFilled(a, b,
|
|
ThemeEngine::instance().editorColor("selection",
|
|
IM_COL32(60, 100, 160, 120)));
|
|
}
|
|
}
|
|
|
|
// Bracket pair highlight
|
|
if (focusBracketPos >= 0 && focusBracketMatch >= 0) {
|
|
int matchPositions[2] = {focusBracketPos, focusBracketMatch};
|
|
for (int i = 0; i < 2; ++i) {
|
|
int pos = matchPositions[i];
|
|
if (pos < start || pos >= end) continue;
|
|
int col = pos - start;
|
|
ImVec2 a(textBase.x + col * charAdvance, y);
|
|
ImVec2 b(textBase.x + (col + 1) * charAdvance, y + lineHeight);
|
|
drawList->AddRectFilled(a, b,
|
|
ThemeEngine::instance().editorColor("bracket_match",
|
|
IM_COL32(120, 140, 200, 100)));
|
|
}
|
|
}
|
|
|
|
// Render text with colors
|
|
int pos = start;
|
|
while (pos < end) {
|
|
TokenCategory cat = TokenCategory::Plain;
|
|
if (pos < (int)charCats.size()) cat = charCats[pos];
|
|
|
|
if (pos < (int)text.size() && isBracketChar(text[pos]) && bracketDepth[pos] >= 0) {
|
|
ImU32 col = rainbow[bracketDepth[pos] % rainbow.size()];
|
|
char buf[2] = {text[pos], 0};
|
|
ImVec2 p(textBase.x + (pos - start) * charAdvance, y);
|
|
drawList->AddText(font, font->FontSize, p, col, buf);
|
|
++pos;
|
|
continue;
|
|
}
|
|
|
|
int spanEnd = pos + 1;
|
|
while (spanEnd < end) {
|
|
if (spanEnd < (int)text.size() && isBracketChar(text[spanEnd]) && bracketDepth[spanEnd] >= 0) {
|
|
break;
|
|
}
|
|
TokenCategory nextCat = TokenCategory::Plain;
|
|
if (spanEnd < (int)charCats.size()) nextCat = charCats[spanEnd];
|
|
if (nextCat != cat) break;
|
|
++spanEnd;
|
|
}
|
|
|
|
std::string chunk = text.substr(pos, spanEnd - pos);
|
|
if (options.showWhitespace) {
|
|
for (auto& c : chunk) {
|
|
if (c == ' ') c = '.';
|
|
else if (c == '\t') c = '>';
|
|
}
|
|
}
|
|
if (!chunk.empty() && chunk[chunk.size() - 1] == '\n') {
|
|
chunk.pop_back();
|
|
}
|
|
|
|
ImVec2 p(textBase.x + (pos - start) * charAdvance, y);
|
|
drawList->AddText(font, font->FontSize, p, colorFor(cat), chunk.c_str());
|
|
|
|
pos = spanEnd;
|
|
}
|
|
|
|
// Inline annotation tag
|
|
if (options.showAnnotations && options.annotations) {
|
|
AnnotationMarker marker;
|
|
if (annotationAtLine(*options.annotations, ln, marker)) {
|
|
ImVec2 tagPos;
|
|
if (options.annotationLayout == 1) {
|
|
tagPos = ImVec2(origin.x + 18.0f, y);
|
|
} else if (options.annotationLayout == 2) {
|
|
tagPos = ImVec2(textBase.x + len * charAdvance + 8.0f, y);
|
|
} else {
|
|
tagPos = ImVec2(textBase.x, y - lineHeight * 0.7f);
|
|
}
|
|
ImVec2 textSize = font->CalcTextSizeA(font->FontSize, FLT_MAX, -1.0f, marker.message.c_str());
|
|
ImVec2 bgA(tagPos.x - 2.0f, tagPos.y);
|
|
ImVec2 bgB(tagPos.x + textSize.x + 6.0f, tagPos.y + lineHeight * 0.8f);
|
|
drawList->AddRectFilled(bgA, bgB,
|
|
ThemeEngine::instance().editorColor("annotation_tag_bg",
|
|
IM_COL32(30, 30, 30, 220)),
|
|
2.0f);
|
|
drawList->AddText(font, font->FontSize, ImVec2(tagPos.x + 2.0f, tagPos.y),
|
|
marker.color, marker.message.c_str());
|
|
}
|
|
}
|
|
|
|
// Folded placeholder
|
|
if (fold && fold->folded) {
|
|
ImVec2 p(textBase.x + len * charAdvance + 6.0f, y);
|
|
drawList->AddText(font, font->FontSize, p,
|
|
ThemeEngine::instance().editorColor("fold_placeholder",
|
|
IM_COL32(140, 140, 140, 255)),
|
|
"{...}");
|
|
}
|
|
|
|
if (options.diagnostics) {
|
|
renderSquiggles(*options.diagnostics, ln, y, lineHeight, charAdvance,
|
|
textBase.x, len, drawList);
|
|
if (hovered) {
|
|
ImVec2 mouse = ImGui::GetMousePos();
|
|
std::string msg = diagnosticMessageAtPoint(*options.diagnostics, ln, mouse,
|
|
y, lineHeight, charAdvance, textBase.x);
|
|
bool hoverDiag = !msg.empty();
|
|
if (hoverDiag) {
|
|
renderRichTooltip("diag_point",
|
|
msg,
|
|
hoverDiag,
|
|
options.reduceMotion,
|
|
font);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ImGui::BeginPopup(annoPopupId.c_str())) {
|
|
ImGui::TextUnformatted("Annotation Editor (TODO)");
|
|
ImGui::Separator();
|
|
ImGui::TextUnformatted(annotationPopupMessage_.c_str());
|
|
ImGui::EndPopup();
|
|
}
|
|
|
|
// Cursor
|
|
if (focused) {
|
|
float blinkAlpha = AnimationUtils::blinkAlpha(nowSeconds,
|
|
options.cursorBlinkRate,
|
|
options.reduceMotion);
|
|
if (blinkAlpha > 0.02f) {
|
|
for (size_t i = 0; i < cursors_.size(); ++i) {
|
|
const auto& c = cursors_[i];
|
|
int curLine = lineFromPos(c.cursor, lineStarts);
|
|
int lineStart = lineStarts[curLine];
|
|
int col = c.cursor - lineStart;
|
|
float x = textBase.x + col * charAdvance;
|
|
float y = textBase.y + curLine * lineHeight;
|
|
ImU32 base = ThemeEngine::instance().editorColor("caret",
|
|
IM_COL32(240, 240, 240, 255));
|
|
ImVec4 color = ImGui::ColorConvertU32ToFloat4(base);
|
|
color.w *= (i == 0) ? blinkAlpha : (blinkAlpha * 0.6f);
|
|
ImU32 col32 = ImGui::ColorConvertFloat4ToU32(color);
|
|
drawList->AddLine(ImVec2(x, y), ImVec2(x, y + lineHeight), col32, 1.0f);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Minimap
|
|
if (options.showMinimap && minimapWidth > 0.0f) {
|
|
float miniHeight = lineCount * lineHeight;
|
|
ImVec2 miniA(minimapBaseX, minimapBaseY);
|
|
ImVec2 miniB(minimapBaseX + minimapWidth, minimapBaseY + miniHeight);
|
|
drawList->AddRectFilled(miniA, miniB,
|
|
ThemeEngine::instance().editorColor("minimap_bg",
|
|
IM_COL32(18, 18, 18, 255)));
|
|
for (int ln = 0; ln < lineCount; ++ln) {
|
|
float y = minimapBaseY + ln * lineHeight;
|
|
ImU32 color = ThemeEngine::instance().editorColor("minimap_line",
|
|
IM_COL32(80, 80, 80, 255));
|
|
if (ln == currentLine) {
|
|
color = ThemeEngine::instance().editorColor("minimap_line_active",
|
|
IM_COL32(120, 120, 160, 255));
|
|
}
|
|
drawList->AddRectFilled(ImVec2(minimapBaseX + 2.0f, y),
|
|
ImVec2(minimapBaseX + minimapWidth - 2.0f, y + 2.0f),
|
|
color);
|
|
}
|
|
float viewStart = (lineCount > 0) ? (scrollY / (lineCount * lineHeight)) : 0.0f;
|
|
float viewEnd = viewStart + (ImGui::GetContentRegionAvail().y / (lineCount * lineHeight));
|
|
viewStart = std::max(0.0f, std::min(1.0f, viewStart));
|
|
viewEnd = std::max(0.0f, std::min(1.0f, viewEnd));
|
|
ImVec2 vA(minimapBaseX, minimapBaseY + viewStart * miniHeight);
|
|
ImVec2 vB(minimapBaseX + minimapWidth, minimapBaseY + viewEnd * miniHeight);
|
|
drawList->AddRect(vA, vB,
|
|
ThemeEngine::instance().editorColor("minimap_view",
|
|
IM_COL32(120, 160, 220, 180)));
|
|
}
|
|
|
|
ImGui::EndChild();
|
|
|
|
syncMultiToPrimary();
|
|
result.cursorByte = cursor_;
|
|
result.lineCount = lineCount;
|
|
result.gutterWidth = gutterWidth;
|
|
result.currentLine = currentLine;
|
|
result.foldCount = (int)folds_.size();
|
|
result.anyFolded = std::any_of(folds_.begin(), folds_.end(),
|
|
[](const FoldRegion& f) { return f.folded; });
|
|
result.minimapEnabled = options.showMinimap;
|
|
result.minimapWidth = minimapWidth;
|
|
if (options.showMinimap && lineCount > 0) {
|
|
float miniHeight = lineCount * lineHeight;
|
|
result.minimapViewportStart = (scrollY / (lineCount * lineHeight)) * miniHeight;
|
|
result.minimapViewportEnd = result.minimapViewportStart +
|
|
(ImGui::GetContentRegionAvail().y / (lineCount * lineHeight)) * miniHeight;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void setCursor(int pos) {
|
|
cursor_ = pos;
|
|
syncPrimaryToMulti();
|
|
}
|
|
int getCursor() const { return cursor_; }
|
|
bool hasSelectionRange() const { return hasSelection(); }
|
|
void getSelectionRange(int& start, int& end) const {
|
|
if (!hasSelection()) {
|
|
start = end = -1;
|
|
return;
|
|
}
|
|
start = std::min(selStart_, selEnd_);
|
|
end = std::max(selStart_, selEnd_);
|
|
}
|
|
void setSelectionRange(int start, int end) {
|
|
selStart_ = start;
|
|
selEnd_ = end;
|
|
}
|
|
const std::vector<FoldRegion>& getFoldRegions() const { return folds_; }
|
|
std::vector<int> getFoldedLines() const {
|
|
std::vector<int> lines;
|
|
for (const auto& f : folds_) {
|
|
if (f.folded) lines.push_back(f.startLine);
|
|
}
|
|
return lines;
|
|
}
|
|
|
|
void setDesiredFoldedLines(const std::vector<int>& lines) {
|
|
desiredFoldedLines_ = lines;
|
|
applyDesiredFoldState_ = true;
|
|
}
|
|
|
|
void toggleFoldAtLine(int line) {
|
|
for (auto& f : folds_) {
|
|
if (f.startLine == line) {
|
|
f.folded = !f.folded;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
int cursor_ = 0;
|
|
int selStart_ = -1;
|
|
int selEnd_ = -1;
|
|
bool selecting_ = false;
|
|
std::vector<MultiCursor> cursors_;
|
|
bool columnSelectActive_ = false;
|
|
int columnAnchorLine_ = 0;
|
|
int columnAnchorCol_ = 0;
|
|
std::vector<FoldRegion> folds_;
|
|
std::string lastFoldText_;
|
|
std::string lastFoldLang_;
|
|
std::string annotationPopupMessage_;
|
|
std::vector<int> desiredFoldedLines_;
|
|
bool applyDesiredFoldState_ = false;
|
|
|
|
#include "CodeEditorRenderHelpers.h"
|