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feat: Added underwaved text functions (#1889)

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### Problem description
Currently when errors are found the entire line where the error occurred
is highlighted and one has to look at the error message in order to find
where the error is located on the line. With this PR the line will no
longer be highlighted and the location of the error will be marked with
an red waved line under the error location. Hovering over the text where
the error occurred produces an error overlay so if several errors occur
on the same line they can all be seen separately.

### Implementation description
The definition of error marker was switched to include column and size
as well as line and message like before.
This change required changing the way view pattern editor draws the
error markers because the errors themselves don't have size information.
Also, a new errorHoverBoxes type was defined to help in the detection of
the floating error messages when error is hovered.

Note that the underwave code depends on having a monospaced. If font is
not monospaced the underwaved text can be short/long or displaced.


### Screenshots

![image](https://github.com/user-attachments/assets/f0b08e10-612c-404a-8863-d4f00054d198)


![image](https://github.com/user-attachments/assets/911fcacb-2a1e-431f-bbc8-8e05bcd61341)
This commit is contained in:
paxcut 2024-09-15 06:19:04 -07:00 committed by GitHub
parent 4b3bbb4a97
commit 54f5bd1d80
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
6 changed files with 132 additions and 43 deletions
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2
lib/libimhex/include/hex/ui/imgui_imhex_extensions.h
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@ -137,6 +137,8 @@ namespace ImGuiExt {
void UnderlinedText(const char *label, ImColor color = ImGui::GetStyleColorVec4(ImGuiCol_Text), const ImVec2 &size_arg = ImVec2(0, 0));
void UnderwavedText(const char *label, ImColor textColor = ImGui::GetStyleColorVec4(ImGuiCol_Text), ImColor lineColor = ImGui::GetStyleColorVec4(ImGuiCol_Text), const ImVec2 &size_arg = ImVec2(0, 0));
void TextSpinner(const char *label);
void Header(const char *label, bool firstEntry = false);

28
lib/libimhex/source/ui/imgui_imhex_extensions.cpp
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@ -550,6 +550,34 @@ namespace ImGuiExt {
PopStyleColor();
}
void UnderwavedText(const char *label, ImColor textColor, ImColor lineColor, const ImVec2 &size_arg) {
ImGuiWindow *window = GetCurrentWindow();
std::string labelStr(label);
for (char letter : labelStr) {
std::string letterStr(1, letter);
const ImVec2 label_size = CalcTextSize(letterStr.c_str(), nullptr, true);
ImVec2 size = CalcItemSize(size_arg, label_size.x, label_size.y);
ImVec2 pos = window->DC.CursorPos;
float lineWidth = size.x / 3.0f;
float halfLineW = lineWidth / 2.0f;
float lineY = pos.y + size.y;
ImVec2 initial = ImVec2(pos.x, lineY);
ImVec2 pos1 = ImVec2(pos.x + lineWidth, lineY - 2.0f);
ImVec2 pos2 = ImVec2(pos.x + lineWidth + halfLineW, lineY);
ImVec2 pos3 = ImVec2(pos.x + lineWidth * 2 + halfLineW, lineY - 2.0f);
ImVec2 pos4 = ImVec2(pos.x + lineWidth * 3, lineY - 1.0f);
PushStyleColor(ImGuiCol_Text, ImU32(textColor));
TextEx(letterStr.c_str(), nullptr, ImGuiTextFlags_NoWidthForLargeClippedText); // Skip formatting
GetWindowDrawList()->AddLine(initial, pos1, ImU32(lineColor),0.4f);
GetWindowDrawList()->AddLine(pos1, pos2, ImU32(lineColor),0.3f);
GetWindowDrawList()->AddLine(pos2, pos3, ImU32(lineColor),0.4f);
GetWindowDrawList()->AddLine(pos3, pos4, ImU32(lineColor),0.3f);
PopStyleColor();
window->DC.CursorPos = ImVec2(pos.x + size.x, pos.y);
}
}
void TextSpinner(const char *label) {
Text("[%c] %s", "|/-\\"[ImU32(GetTime() * 20) % 4], label);
}

17
lib/third_party/imgui/ColorTextEditor/include/TextEditor.h vendored
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@ -128,13 +128,14 @@ public:
std::string mDeclaration;
};
typedef std::string String;
typedef std::unordered_map<std::string, Identifier> Identifiers;
typedef std::unordered_set<std::string> Keywords;
typedef std::map<int, std::string> ErrorMarkers;
typedef std::unordered_set<int> Breakpoints;
typedef std::array<ImU32, (unsigned)PaletteIndex::Max> Palette;
typedef uint8_t Char;
using String = std::string;
using Identifiers = std::unordered_map<std::string, Identifier>;
using Keywords = std::unordered_set<std::string> ;
using ErrorMarkers = std::map<Coordinates, std::pair<uint32_t ,std::string>>;
using ErrorHoverBoxes = std::map<Coordinates, std::pair<ImVec2,ImVec2>>;
using Breakpoints = std::unordered_set<int32_t>;
using Palette = std::array<ImU32, (uint32_t)PaletteIndex::Max>;
using Char = uint8_t ;
struct Glyph
{
@ -199,6 +200,7 @@ public:
void SetErrorMarkers(const ErrorMarkers& aMarkers) { mErrorMarkers = aMarkers; }
void SetBreakpoints(const Breakpoints& aMarkers) { mBreakpoints = aMarkers; }
ImVec2 Underwaves( ImVec2 pos, uint32_t nChars, ImColor color= ImGui::GetStyleColorVec4(ImGuiCol_Text), const ImVec2 &size_arg= ImVec2(0, 0));
void Render(const char* aTitle, const ImVec2& aSize = ImVec2(), bool aBorder = false);
void SetText(const std::string& aText);
@ -473,6 +475,7 @@ private:
bool mCheckComments;
Breakpoints mBreakpoints;
ErrorMarkers mErrorMarkers;
ErrorHoverBoxes mErrorHoverBoxes;
ImVec2 mCharAdvance;
Coordinates mInteractiveStart, mInteractiveEnd;
std::string mLineBuffer;

104
lib/third_party/imgui/ColorTextEditor/source/TextEditor.cpp vendored
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@ -38,6 +38,37 @@ TextEditor::TextEditor()
TextEditor::~TextEditor() {
}
ImVec2 TextEditor::Underwaves( ImVec2 pos ,uint32_t nChars, ImColor color, const ImVec2 &size_arg) {
auto save = ImGui::GetStyle().AntiAliasedLines;
ImGui::GetStyle().AntiAliasedLines = false;
ImGuiWindow *window = ImGui::GetCurrentWindow();
window->DC.CursorPos =pos;
const ImVec2 label_size = ImGui::CalcTextSize("W", nullptr, true);
ImVec2 size = ImGui::CalcItemSize(size_arg, label_size.x, label_size.y);
float lineWidth = size.x / 3.0f + 0.5f;
float halfLineW = lineWidth / 2.0f;
for (uint32_t i = 0; i < nChars; i++) {
pos = window->DC.CursorPos;
float lineY = pos.y + size.y;
ImVec2 pos1_1 = ImVec2(pos.x + 0*lineWidth, lineY + halfLineW);
ImVec2 pos1_2 = ImVec2(pos.x + 1*lineWidth, lineY - halfLineW);
ImVec2 pos2_1 = ImVec2(pos.x + 2*lineWidth, lineY + halfLineW);
ImVec2 pos2_2 = ImVec2(pos.x + 3*lineWidth, lineY - halfLineW);
ImGui::GetWindowDrawList()->AddLine(pos1_1, pos1_2, ImU32(color), 0.4f);
ImGui::GetWindowDrawList()->AddLine(pos1_2, pos2_1, ImU32(color), 0.4f);
ImGui::GetWindowDrawList()->AddLine(pos2_1, pos2_2, ImU32(color), 0.4f);
window->DC.CursorPos = ImVec2(pos.x + size.x, pos.y);
}
auto ret = window->DC.CursorPos;
ret.y += size.y;
return ret;
}
void TextEditor::SetLanguageDefinition(const LanguageDefinition &aLanguageDef) {
mLanguageDefinition = aLanguageDef;
mRegexList.clear();
@ -541,8 +572,8 @@ void TextEditor::RemoveLine(int aStart, int aEnd) {
ErrorMarkers etmp;
for (auto &i : mErrorMarkers) {
ErrorMarkers::value_type e(i.first >= aStart ? i.first - 1 : i.first, i.second);
if (e.first >= aStart && e.first <= aEnd)
ErrorMarkers::value_type e(i.first.mLine >= aStart ? Coordinates(i.first.mLine - 1,i.first.mColumn ) : i.first, i.second);
if (e.first.mLine >= aStart && e.first.mLine <= aEnd)
continue;
etmp.insert(e);
}
@ -555,9 +586,10 @@ void TextEditor::RemoveLine(int aStart, int aEnd) {
btmp.insert(i >= aStart ? i - 1 : i);
}
mBreakpoints = std::move(btmp);
mLines.erase(mLines.begin() + aStart, mLines.begin() + aEnd);
assert(!mLines.empty());
if (aStart == 0 && aEnd == (int32_t)mLines.size() - 1)
mLines.erase(mLines.begin() + aStart, mLines.end());
else
mLines.erase(mLines.begin() + aStart, mLines.begin() + aEnd + 1);
mTextChanged = true;
}
@ -568,8 +600,8 @@ void TextEditor::RemoveLine(int aIndex) {
ErrorMarkers etmp;
for (auto &i : mErrorMarkers) {
ErrorMarkers::value_type e(i.first > aIndex ? i.first - 1 : i.first, i.second);
if (e.first - 1 == aIndex)
ErrorMarkers::value_type e(i.first.mLine > aIndex ? Coordinates(i.first.mLine - 1 ,i.first.mColumn) : i.first, i.second);
if (e.first.mLine - 1 == aIndex)
continue;
etmp.insert(e);
}
@ -594,7 +626,7 @@ TextEditor::Line &TextEditor::InsertLine(int aIndex) {
ErrorMarkers etmp;
for (auto &i : mErrorMarkers)
etmp.insert(ErrorMarkers::value_type(i.first >= aIndex ? i.first + 1 : i.first, i.second));
etmp.insert(ErrorMarkers::value_type(i.first.mLine >= aIndex ? Coordinates(i.first.mLine + 1,i.first.mColumn) : i.first, i.second));
mErrorMarkers = std::move(etmp);
Breakpoints btmp;
@ -853,25 +885,6 @@ void TextEditor::Render() {
auto start = ImVec2(lineStartScreenPos.x + scrollX, lineStartScreenPos.y);
// Draw error markers
auto errorIt = mErrorMarkers.find(lineNo + 1);
if (errorIt != mErrorMarkers.end()) {
auto end = ImVec2(lineStartScreenPos.x + contentSize.x + 2.0f * scrollX, lineStartScreenPos.y + mCharAdvance.y);
drawList->AddRectFilled(start, end, mPalette[(int)PaletteIndex::ErrorMarker]);
if (ImGui::IsMouseHoveringRect(lineStartScreenPos, end)) {
ImGui::BeginTooltip();
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.2f, 0.2f, 1.0f));
ImGui::Text("Error at line %d:", errorIt->first);
ImGui::PopStyleColor();
ImGui::Separator();
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(0.5f, 0.5f, 0.2f, 1.0f));
ImGui::Text("%s", errorIt->second.c_str());
ImGui::PopStyleColor();
ImGui::EndTooltip();
}
}
// Draw line number (right aligned)
if (mShowLineNumbers) {
snprintf(buf, 16, "%d ", lineNo + 1);
@ -891,7 +904,6 @@ void TextEditor::Render() {
if (mState.mCursorPosition.mLine == lineNo && mShowCursor) {
bool focused = ImGui::IsWindowFocused();
ImGuiViewport *viewport = ImGui::GetWindowViewport();
// Highlight the current line (where the cursor is)
if (!HasSelection()) {
@ -937,7 +949,14 @@ void TextEditor::Render() {
for (int i = 0; i < line.size();) {
auto &glyph = line[i];
auto color = GetGlyphColor(glyph);
bool underwaved = false;
ErrorMarkers::iterator errorIt;
if (mErrorMarkers.size() > 0) {
errorIt = mErrorMarkers.find(Coordinates(lineNo+1,i));
if (errorIt != mErrorMarkers.end()) {
underwaved = true;
}
}
if ((color != prevColor || glyph.mChar == '\t' || glyph.mChar == ' ') && !mLineBuffer.empty()) {
const ImVec2 newOffset(textScreenPos.x + bufferOffset.x, textScreenPos.y + bufferOffset.y);
drawList->AddText(newOffset, prevColor, mLineBuffer.c_str());
@ -945,6 +964,13 @@ void TextEditor::Render() {
bufferOffset.x += textSize.x;
mLineBuffer.clear();
}
if (underwaved) {
auto textStart = TextDistanceToLineStart(Coordinates(lineNo, i-1)) + mTextStart;
auto begin = ImVec2(lineStartScreenPos.x + textStart, lineStartScreenPos.y);
auto end = Underwaves(begin, errorIt->second.first, mPalette[(int32_t) PaletteIndex::ErrorMarker]);
mErrorHoverBoxes[Coordinates(lineNo+1,i)]=std::make_pair(begin,end);
}
prevColor = color;
if (glyph.mChar == '\t') {
@ -1021,6 +1047,22 @@ void TextEditor::Render() {
mScrollToCursor = false;
}
for (auto [key,value] : mErrorMarkers) {
auto start = mErrorHoverBoxes[key].first;
auto end = mErrorHoverBoxes[key].second;
if (ImGui::IsMouseHoveringRect(start, end)) {
ImGui::BeginTooltip();
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.2f, 0.2f, 1.0f));
ImGui::Text("Error at line %d:", key.mLine);
ImGui::PopStyleColor();
ImGui::Separator();
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(0.5f, 0.5f, 0.2f, 1.0f));
ImGui::Text("%s", value.second.c_str());
ImGui::PopStyleColor();
ImGui::EndTooltip();
}
}
ImGuiPopupFlags_ popup_flags = ImGuiPopupFlags_None;
ImGuiContext& g = *GImGui;
auto oldTopMargin = mTopMargin;
@ -1788,7 +1830,7 @@ void TextEditor::Backspace() {
ErrorMarkers etmp;
for (auto &i : mErrorMarkers)
etmp.insert(ErrorMarkers::value_type(i.first - 1 == mState.mCursorPosition.mLine ? i.first - 1 : i.first, i.second));
etmp.insert(ErrorMarkers::value_type(i.first.mLine - 1 == mState.mCursorPosition.mLine ? Coordinates(i.first.mLine - 1,i.first.mColumn) : i.first, i.second));
mErrorMarkers = std::move(etmp);
RemoveLine(mState.mCursorPosition.mLine);
@ -2457,7 +2499,7 @@ void TextEditor::ColorizeRange(int aFromLine, int aToLine) {
hasTokenizeResult = true;
}
if (hasTokenizeResult == false) {
if (!hasTokenizeResult) {
// todo : remove
// printf("using regex for %.*s\n", first + 10 < last ? 10 : int(last - first), first);

1
plugins/builtin/include/content/views/view_pattern_editor.hpp
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@ -250,6 +250,7 @@ namespace hex::plugin::builtin {
PerProvider<std::optional<pl::core::err::PatternLanguageError>> m_lastEvaluationError;
PerProvider<std::vector<pl::core::err::CompileError>> m_lastCompileError;
PerProvider<std::vector<const pl::core::ast::ASTNode*>> m_callStack;
PerProvider<std::map<std::string, pl::core::Token::Literal>> m_lastEvaluationOutVars;
PerProvider<std::map<std::string, PatternVariable>> m_patternVariables;
PerProvider<std::map<u64, pl::api::Section>> m_sections;

21
plugins/builtin/source/content/views/view_pattern_editor.cpp
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@ -1343,15 +1343,27 @@ namespace hex::plugin::builtin {
};
TextEditor::ErrorMarkers errorMarkers;
if (m_lastEvaluationError->has_value()) {
errorMarkers[(*m_lastEvaluationError)->line] = processMessage((*m_lastEvaluationError)->message);
if (!m_callStack->empty()) {
for (const auto &frame : *m_callStack | std::views::reverse) {
auto location = frame->getLocation();
std::string message;
if (location.source->source == pl::api::Source::DefaultSource) {
if (m_lastEvaluationError->has_value())
message = processMessage((*m_lastEvaluationError)->message);
auto key = TextEditor::Coordinates(location.line, location.column);
errorMarkers[key] = std::make_pair(location.length, message);
}
}
}
if (!m_lastCompileError->empty()) {
for (const auto &error : *m_lastCompileError) {
auto source = error.getLocation().source;
if (source != nullptr && source->source == pl::api::Source::DefaultSource)
errorMarkers[error.getLocation().line] = processMessage(error.getMessage());
if (source != nullptr && source->source == pl::api::Source::DefaultSource) {
auto key = TextEditor::Coordinates(error.getLocation().line, error.getLocation().column);
if (!errorMarkers.contains(key) ||errorMarkers[key].first < error.getLocation().length)
errorMarkers[key] = std::make_pair(error.getLocation().length,processMessage(error.getMessage()));
}
}
}
@ -1794,6 +1806,7 @@ namespace hex::plugin::builtin {
if (!m_lastEvaluationResult) {
*m_lastEvaluationError = runtime.getEvalError();
*m_lastCompileError = runtime.getCompileErrors();
*m_callStack = reinterpret_cast<const std::vector<const pl::core::ast::ASTNode *> &>(runtime.getInternals().evaluator->getCallStack());
}
TaskManager::doLater([code] {