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tracy/imguicolortextedit/TextEditor.cpp
Bartosz Taudul d8a9d6d3bf Update imguicolortextedit. 
339d5ef00edcfb849c1281bcf176113199828522
2018-10-30 22:52:57 +01:00

2669 lines
82 KiB
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#include <algorithm>
#include <chrono>
#include <string>
#include <regex>
#include <cmath>
#include "TextEditor.h"
namespace tracy
{
// TODO
// - multiline comments vs single-line: latter is blocking start of a ML
// - handle unicode/utf
// - testing
template<class InputIt1, class InputIt2, class BinaryPredicate>
bool equals(InputIt1 first1, InputIt1 last1,
InputIt2 first2, InputIt2 last2, BinaryPredicate p)
{
for (; first1 != last1 && first2 != last2; ++first1, ++first2)
{
if (!p(*first1, *first2))
return false;
}
return first1 == last1 && first2 == last2;
}
TextEditor::TextEditor()
: mLineSpacing(1.0f)
, mUndoIndex(0)
, mTabSize(4)
, mOverwrite(false)
, mReadOnly(false)
, mWithinRender(false)
, mScrollToCursor(false)
, mTextChanged(false)
, mTextStart(20.0f)
, mLeftMargin(10)
, mColorRangeMin(0)
, mColorRangeMax(0)
, mSelectionMode(SelectionMode::Normal)
, mCheckMultilineComments(true)
{
SetPalette(GetDarkPalette());
SetLanguageDefinition(LanguageDefinition::HLSL());
mLines.push_back(Line());
}
TextEditor::~TextEditor()
{
}
void TextEditor::SetLanguageDefinition(const LanguageDefinition & aLanguageDef)
{
mLanguageDefinition = aLanguageDef;
mRegexList.clear();
for (auto& r : mLanguageDefinition.mTokenRegexStrings)
mRegexList.push_back(std::make_pair(std::regex(r.first, std::regex_constants::optimize), r.second));
}
void TextEditor::SetPalette(const Palette & aValue)
{
mPalette = aValue;
}
int TextEditor::AppendBuffer(std::string& aBuffer, char chr, int aIndex)
{
if (chr != '\t')
{
aBuffer.push_back(chr);
return aIndex + 1;
}
else
{
//auto num = mTabSize - aIndex % mTabSize;
//for (int j = num; j > 0; --j)
// aBuffer.push_back(' ');
//return aIndex + num;
return aIndex;
}
}
std::string TextEditor::GetText(const Coordinates & aStart, const Coordinates & aEnd) const
{
std::string result;
int prevLineNo = aStart.mLine;
for (auto it = aStart; it <= aEnd; Advance(it))
{
if (prevLineNo != it.mLine && it.mLine < (int) mLines.size())
result.push_back('\n');
if (it == aEnd)
break;
prevLineNo = it.mLine;
const auto& line = mLines[it.mLine];
if (!line.empty() && it.mColumn < (int)line.size())
result.push_back(line[it.mColumn].mChar);
}
return result;
}
TextEditor::Coordinates TextEditor::GetActualCursorCoordinates() const
{
return SanitizeCoordinates(mState.mCursorPosition);
}
TextEditor::Coordinates TextEditor::SanitizeCoordinates(const Coordinates & aValue) const
{
auto line = aValue.mLine;
auto column = aValue.mColumn;
if (line >= (int)mLines.size())
{
if (mLines.empty())
{
line = 0;
column = 0;
}
else
{
line = (int)mLines.size() - 1;
column = (int)mLines[line].size();
}
}
else
{
column = mLines.empty() ? 0 : std::min((int)mLines[line].size(), aValue.mColumn);
}
return Coordinates(line, column);
}
void TextEditor::Advance(Coordinates & aCoordinates) const
{
if (aCoordinates.mLine < (int)mLines.size())
{
auto& line = mLines[aCoordinates.mLine];
if (aCoordinates.mColumn + 1 < (int)line.size())
++aCoordinates.mColumn;
else
{
++aCoordinates.mLine;
aCoordinates.mColumn = 0;
}
}
}
void TextEditor::DeleteRange(const Coordinates & aStart, const Coordinates & aEnd)
{
assert(aEnd >= aStart);
assert(!mReadOnly);
if (aEnd == aStart)
return;
if (aStart.mLine == aEnd.mLine)
{
auto& line = mLines[aStart.mLine];
if (aEnd.mColumn >= (int)line.size())
line.erase(line.begin() + aStart.mColumn, line.end());
else
line.erase(line.begin() + aStart.mColumn, line.begin() + aEnd.mColumn);
}
else
{
auto& firstLine = mLines[aStart.mLine];
auto& lastLine = mLines[aEnd.mLine];
firstLine.erase(firstLine.begin() + aStart.mColumn, firstLine.end());
lastLine.erase(lastLine.begin(), lastLine.begin() + aEnd.mColumn);
if (aStart.mLine < aEnd.mLine)
firstLine.insert(firstLine.end(), lastLine.begin(), lastLine.end());
if (aStart.mLine < aEnd.mLine)
RemoveLine(aStart.mLine + 1, aEnd.mLine + 1);
}
mTextChanged = true;
}
int TextEditor::InsertTextAt(Coordinates& /* inout */ aWhere, const char * aValue)
{
assert(!mReadOnly);
int totalLines = 0;
auto chr = *aValue;
while (chr != '\0')
{
assert(!mLines.empty());
if (chr == '\r')
{
// skip
}
else if (chr == '\n')
{
if (aWhere.mColumn < (int)mLines[aWhere.mLine].size())
{
auto& newLine = InsertLine(aWhere.mLine + 1);
auto& line = mLines[aWhere.mLine];
newLine.insert(newLine.begin(), line.begin() + aWhere.mColumn, line.end());
line.erase(line.begin() + aWhere.mColumn, line.end());
}
else
{
InsertLine(aWhere.mLine + 1);
}
++aWhere.mLine;
aWhere.mColumn = 0;
++totalLines;
}
else
{
auto& line = mLines[aWhere.mLine];
line.insert(line.begin() + aWhere.mColumn, Glyph(chr, PaletteIndex::Default));
++aWhere.mColumn;
}
chr = *(++aValue);
mTextChanged = true;
}
return totalLines;
}
void TextEditor::AddUndo(UndoRecord& aValue)
{
assert(!mReadOnly);
mUndoBuffer.resize(mUndoIndex + 1);
mUndoBuffer.back() = aValue;
++mUndoIndex;
}
TextEditor::Coordinates TextEditor::ScreenPosToCoordinates(const ImVec2& aPosition) const
{
ImVec2 origin = ImGui::GetCursorScreenPos();
ImVec2 local(aPosition.x - origin.x, aPosition.y - origin.y);
int lineNo = std::max(0, (int)floor(local.y / mCharAdvance.y));
/*
Compute columnCoord according to text size
*/
int columnCoord = 0;
float columnWidth = 0.0f;
std::string cumulatedString = "";
float cumulatedStringWidth[2] = {0.0f, 0.0f}; //( [0] is the lastest, [1] is the previous. I use that trick to check where cursor is exactly (important for tabs)
if (lineNo >= 0 && lineNo < (int)mLines.size())
{
auto& line = mLines.at(lineNo);
// First we find the hovered column coord.
while ( mTextStart + cumulatedStringWidth[0] < local.x &&
columnCoord < line.size())
{
cumulatedStringWidth[1] = cumulatedStringWidth[0];
cumulatedString += line[columnCoord].mChar;
cumulatedStringWidth[0] = ImGui::CalcTextSize(cumulatedString.c_str()).x ;
columnWidth = (cumulatedStringWidth[0] - cumulatedStringWidth[1]);
columnCoord++;
}
// Then we reduce by 1 column coord if cursor is on the left side of the hovered column.
if( mTextStart + cumulatedStringWidth[0] - columnWidth / 2.0f > local.x)
columnCoord = std::max(0, --columnCoord);
}
return SanitizeCoordinates(Coordinates(lineNo, columnCoord));
}
TextEditor::Coordinates TextEditor::FindWordStart(const Coordinates & aFrom) const
{
Coordinates at = aFrom;
if (at.mLine >= (int)mLines.size())
return at;
auto& line = mLines[at.mLine];
if (at.mColumn >= (int)line.size())
return at;
auto cstart = (PaletteIndex)line[at.mColumn].mColorIndex;
while (at.mColumn > 0)
{
if (cstart != (PaletteIndex)line[at.mColumn - 1].mColorIndex)
break;
--at.mColumn;
}
return at;
}
TextEditor::Coordinates TextEditor::FindWordEnd(const Coordinates & aFrom) const
{
Coordinates at = aFrom;
if (at.mLine >= (int)mLines.size())
return at;
auto& line = mLines[at.mLine];
if (at.mColumn >= (int)line.size())
return at;
auto cstart = (PaletteIndex)line[at.mColumn].mColorIndex;
while (at.mColumn < (int)line.size())
{
if (cstart != (PaletteIndex)line[at.mColumn].mColorIndex)
break;
++at.mColumn;
}
return at;
}
bool TextEditor::IsOnWordBoundary(const Coordinates & aAt) const
{
if (aAt.mLine >= (int)mLines.size() || aAt.mColumn == 0)
return true;
auto& line = mLines[aAt.mLine];
if (aAt.mColumn >= (int)line.size())
return true;
return line[aAt.mColumn].mColorIndex != line[aAt.mColumn - 1].mColorIndex;
}
void TextEditor::RemoveLine(int aStart, int aEnd)
{
assert(!mReadOnly);
assert(aEnd >= aStart);
assert(mLines.size() > aEnd - aStart);
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)
continue;
etmp.insert(e);
}
mErrorMarkers = std::move(etmp);
Breakpoints btmp;
for (auto i : mBreakpoints)
{
if (i >= aStart && i <= aEnd)
continue;
btmp.insert(i >= aStart ? i - 1 : i);
}
mBreakpoints = std::move(btmp);
mLines.erase(mLines.begin() + aStart, mLines.begin() + aEnd);
assert(!mLines.empty());
mTextChanged = true;
}
void TextEditor::RemoveLine(int aIndex)
{
assert(!mReadOnly);
assert(mLines.size() > 1);
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)
continue;
etmp.insert(e);
}
mErrorMarkers = std::move(etmp);
Breakpoints btmp;
for (auto i : mBreakpoints)
{
if (i == aIndex)
continue;
btmp.insert(i >= aIndex ? i - 1 : i);
}
mBreakpoints = std::move(btmp);
mLines.erase(mLines.begin() + aIndex);
assert(!mLines.empty());
mTextChanged = true;
}
TextEditor::Line& TextEditor::InsertLine(int aIndex)
{
assert(!mReadOnly);
auto& result = *mLines.insert(mLines.begin() + aIndex, Line());
ErrorMarkers etmp;
for (auto& i : mErrorMarkers)
etmp.insert(ErrorMarkers::value_type(i.first >= aIndex ? i.first + 1 : i.first, i.second));
mErrorMarkers = std::move(etmp);
Breakpoints btmp;
for (auto i : mBreakpoints)
btmp.insert(i >= aIndex ? i + 1 : i);
mBreakpoints = std::move(btmp);
return result;
}
std::string TextEditor::GetWordUnderCursor() const
{
auto c = GetCursorPosition();
return GetWordAt(c);
}
std::string TextEditor::GetWordAt(const Coordinates & aCoords) const
{
auto start = FindWordStart(aCoords);
auto end = FindWordEnd(aCoords);
std::string r;
for (auto it = start; it < end; Advance(it))
r.push_back(mLines[it.mLine][it.mColumn].mChar);
return r;
}
void TextEditor::Render(const char* aTitle, const ImVec2& aSize, bool aBorder)
{
mWithinRender = true;
mTextChanged = false;
mCursorPositionChanged = false;
ImGui::PushStyleColor(ImGuiCol_ChildWindowBg, ImGui::ColorConvertU32ToFloat4(mPalette[(int)PaletteIndex::Background]));
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0.0f, 0.0f));
ImGui::BeginChild(aTitle, aSize, aBorder, ImGuiWindowFlags_HorizontalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar | ImGuiWindowFlags_NoMove);
/* Compute mCharAdvance regarding to scaled font size (Ctrl + mouse wheel)*/
const float fontSize = ImGui::CalcTextSize("#").x;
mCharAdvance = ImVec2(fontSize , ImGui::GetTextLineHeightWithSpacing() * mLineSpacing);
/*
Keyboard inputs
*/
ImGui::PushAllowKeyboardFocus(true);
ImGuiIO& io = ImGui::GetIO();
auto shift = io.KeyShift;
auto ctrl = io.ConfigMacOSXBehaviors ? io.KeySuper : io.KeyCtrl;
auto alt = io.ConfigMacOSXBehaviors ? io.KeyCtrl : io.KeyAlt;
if (ImGui::IsWindowFocused())
{
if (ImGui::IsWindowHovered())
ImGui::SetMouseCursor(ImGuiMouseCursor_TextInput);
//ImGui::CaptureKeyboardFromApp(true);
io.WantCaptureKeyboard = true;
io.WantTextInput = true;
if (!IsReadOnly() && ctrl && !shift && !alt && ImGui::IsKeyPressed('Z'))
Undo();
else if (!IsReadOnly() && !ctrl && !shift && alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Backspace)))
Undo();
else if (!IsReadOnly() && ctrl && !shift && !alt && ImGui::IsKeyPressed('Y'))
Redo();
else if (!ctrl && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_UpArrow)))
MoveUp(1, shift);
else if (!ctrl && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_DownArrow)))
MoveDown(1, shift);
else if (!alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_LeftArrow)))
MoveLeft(1, shift, ctrl);
else if (!alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_RightArrow)))
MoveRight(1, shift, ctrl);
else if (!alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_PageUp)))
MoveUp(GetPageSize() - 4, shift);
else if (!alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_PageDown)))
MoveDown(GetPageSize() - 4, shift);
else if (!alt && ctrl && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Home)))
MoveTop(shift);
else if (ctrl && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_End)))
MoveBottom(shift);
else if (!ctrl && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Home)))
MoveHome(shift);
else if (!ctrl && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_End)))
MoveEnd(shift);
else if (!IsReadOnly() && !ctrl && !shift && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Delete)))
Delete();
else if (!IsReadOnly() && !ctrl && !shift && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Backspace)))
BackSpace();
else if (!ctrl && !shift && !alt && ImGui::IsKeyPressed(45))
mOverwrite ^= true;
else if (ctrl && !shift && !alt && ImGui::IsKeyPressed(45))
Copy();
else if (ctrl && !shift && !alt && ImGui::IsKeyPressed('C'))
Copy();
else if (!IsReadOnly() && !ctrl && shift && !alt && ImGui::IsKeyPressed(45))
Paste();
else if (!IsReadOnly() && ctrl && !shift && !alt && ImGui::IsKeyPressed('V'))
Paste();
else if (ctrl && !shift && !alt && ImGui::IsKeyPressed('X'))
Cut();
else if (!ctrl && shift && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Delete)))
Cut();
else if (ctrl && !shift && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_A)))
SelectAll();
else if (!IsReadOnly() && !ctrl && !shift && !alt && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Enter)))
EnterCharacter('\n', false);
else if (!IsReadOnly() && !ctrl && !alt)
{
for (size_t i = 0; i < sizeof(io.InputCharacters) / sizeof(io.InputCharacters[0]); i++)
{
auto c = (unsigned char)io.InputCharacters[i];
if (c != 0)
{
if (isprint(c) || isspace(c))
{
EnterCharacter((char)c, shift);
}
}
}
}
}
/*
Mouse inputs
*/
if (ImGui::IsWindowHovered())
{
static float lastClick = -1.0f;
if (!shift && !alt)
{
auto click = ImGui::IsMouseClicked(0);
auto doubleClick = ImGui::IsMouseDoubleClicked(0);
auto t = ImGui::GetTime();
auto tripleClick = click && !doubleClick && t - lastClick < io.MouseDoubleClickTime;
/*
Left mouse button triple click
*/
if (tripleClick)
{
if (!ctrl)
{
mState.mCursorPosition = mInteractiveStart = mInteractiveEnd = SanitizeCoordinates(ScreenPosToCoordinates(ImGui::GetMousePos()));
mSelectionMode = SelectionMode::Line;
SetSelection(mInteractiveStart, mInteractiveEnd, mSelectionMode);
}
lastClick = -1.0f;
}
/*
Left mouse button double click
*/
else if (doubleClick)
{
if (!ctrl)
{
mState.mCursorPosition = mInteractiveStart = mInteractiveEnd = SanitizeCoordinates(ScreenPosToCoordinates(ImGui::GetMousePos()));
if (mSelectionMode == SelectionMode::Line)
mSelectionMode = SelectionMode::Normal;
else
mSelectionMode = SelectionMode::Word;
SetSelection(mInteractiveStart, mInteractiveEnd, mSelectionMode);
}
lastClick = (float)ImGui::GetTime();
}
/*
Left mouse button click
*/
else if (click)
{
mState.mCursorPosition = mInteractiveStart = mInteractiveEnd = SanitizeCoordinates(ScreenPosToCoordinates(ImGui::GetMousePos()));
if (ctrl)
mSelectionMode = SelectionMode::Word;
else
mSelectionMode = SelectionMode::Normal;
SetSelection(mInteractiveStart, mInteractiveEnd, mSelectionMode);
lastClick = (float)ImGui::GetTime();
}
// Mouse left button dragging (=> update selection)
else if (ImGui::IsMouseDragging(0) && ImGui::IsMouseDown(0))
{
io.WantCaptureMouse = true;
mState.mCursorPosition = mInteractiveEnd = SanitizeCoordinates(ScreenPosToCoordinates(ImGui::GetMousePos()));
SetSelection(mInteractiveStart, mInteractiveEnd, mSelectionMode);
}
}
}
ColorizeInternal();
static std::string buffer;
auto contentSize = ImGui::GetWindowContentRegionMax();
auto drawList = ImGui::GetWindowDrawList();
float longest(mTextStart);
ImVec2 cursorScreenPos = ImGui::GetCursorScreenPos();
auto scrollX = ImGui::GetScrollX();
auto scrollY = ImGui::GetScrollY();
auto lineNo = (int)floor(scrollY / mCharAdvance.y);
auto globalLineMax = (int)mLines.size();
auto lineMax = std::max(0, std::min((int)mLines.size() - 1, lineNo + (int)floor((scrollY + contentSize.y) / mCharAdvance.y)));
// Deduce mTextStart by evaluating mLines size (global lineMax) plus two spaces as text width
char buf[16];
snprintf(buf, 16, " %d ", globalLineMax);
mTextStart = ImGui::CalcTextSize(buf).x + mLeftMargin;
if (!mLines.empty())
{
auto fontScale = ImGui::GetFontSize() / ImGui::GetFont()->FontSize;
float spaceSize = ImGui::CalcTextSize(" ").x + 1.0f * fontScale;
while (lineNo <= lineMax)
{
ImVec2 lineStartScreenPos = ImVec2(cursorScreenPos.x, cursorScreenPos.y + lineNo * mCharAdvance.y);
ImVec2 textScreenPos = ImVec2(lineStartScreenPos.x + mTextStart, lineStartScreenPos.y);
auto& line = mLines[lineNo];
longest = std::max(mTextStart + TextDistanceToLineStart(Coordinates(lineNo, (int) line.size())), longest);
auto columnNo = 0;
Coordinates lineStartCoord(lineNo, 0);
Coordinates lineEndCoord(lineNo, (int)line.size());
/*
Draw Selected area
*/
float sstart = -1.0f;
float ssend = -1.0f;
assert(mState.mSelectionStart <= mState.mSelectionEnd);
if (mState.mSelectionStart <= lineEndCoord)
sstart = mState.mSelectionStart > lineStartCoord ? TextDistanceToLineStart(mState.mSelectionStart) : 0.0f;
if (mState.mSelectionEnd > lineStartCoord)
ssend = TextDistanceToLineStart(mState.mSelectionEnd < lineEndCoord ? mState.mSelectionEnd : lineEndCoord);
if (mState.mSelectionEnd.mLine > lineNo)
ssend += mCharAdvance.x;
if (sstart != -1 && ssend != -1 && sstart < ssend)
{
ImVec2 vstart(lineStartScreenPos.x + mTextStart + sstart, lineStartScreenPos.y);
ImVec2 vend(lineStartScreenPos.x + mTextStart + ssend, lineStartScreenPos.y + mCharAdvance.y);
drawList->AddRectFilled(vstart, vend, mPalette[(int)PaletteIndex::Selection]);
}
/*
Draw break point
*/
auto start = ImVec2(lineStartScreenPos.x + scrollX, lineStartScreenPos.y);
if (mBreakpoints.count(lineNo + 1) != 0)
{
auto end = ImVec2(lineStartScreenPos.x + contentSize.x + 2.0f * scrollX, lineStartScreenPos.y + mCharAdvance.y);
drawList->AddRectFilled(start, end, mPalette[(int)PaletteIndex::Breakpoint]);
}
/*
Draw error marker
*/
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(1.0f, 1.0f, 0.2f, 1.0f));
ImGui::Text("%s", errorIt->second.c_str());
ImGui::PopStyleColor();
ImGui::EndTooltip();
}
}
/*
Draw line number (right aligned)
*/
snprintf(buf, 16, "%d ", lineNo + 1);
auto lineNoWidth = ImGui::CalcTextSize(buf).x;
drawList->AddText(ImVec2(lineStartScreenPos.x + mTextStart - lineNoWidth, lineStartScreenPos.y), mPalette[(int)PaletteIndex::LineNumber], buf);
/*
Highlight the current line (where the cursor is).
*/
if (mState.mCursorPosition.mLine == lineNo)
{
auto focused = ImGui::IsWindowFocused();
if (!HasSelection())
{
auto end = ImVec2(start.x + contentSize.x + scrollX, start.y + mCharAdvance.y);
drawList->AddRectFilled(start, end, mPalette[(int)(focused ? PaletteIndex::CurrentLineFill : PaletteIndex::CurrentLineFillInactive)]);
drawList->AddRect(start, end, mPalette[(int)PaletteIndex::CurrentLineEdge], 1.0f);
}
float cx = TextDistanceToLineStart(mState.mCursorPosition);
if (focused)
{
static auto timeStart = std::chrono::system_clock::now();
auto timeEnd = std::chrono::system_clock::now();
auto diff = timeEnd - timeStart;
auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(diff).count();
if (elapsed > 400)
{
ImVec2 cstart(textScreenPos.x + cx, lineStartScreenPos.y);
ImVec2 cend(textScreenPos.x + cx + (mOverwrite ? mCharAdvance.x : 1.0f), lineStartScreenPos.y + mCharAdvance.y);
drawList->AddRectFilled(cstart, cend, mPalette[(int)PaletteIndex::Cursor]);
if (elapsed > 800)
timeStart = timeEnd;
}
}
}
/*
Draw Text
*/
auto prevColor = line.empty() ? PaletteIndex::Default : (line[0].mMultiLineComment ? PaletteIndex::MultiLineComment : line[0].mColorIndex);
ImVec2 bufferOffset;
for (auto& glyph : line)
{
auto color = glyph.mMultiLineComment ? PaletteIndex::MultiLineComment : glyph.mColorIndex;
if ((color != prevColor || glyph.mChar == '\t') && !buffer.empty())
{
const ImVec2 newOffset(textScreenPos.x + bufferOffset.x, textScreenPos.y + bufferOffset.y);
drawList->AddText(newOffset, mPalette[(uint8_t)prevColor], buffer.c_str());
auto textSize = ImGui::CalcTextSize(buffer.c_str());
bufferOffset.x += textSize.x + 1.0f * fontScale;
buffer.clear();
}
prevColor = color;
if (glyph.mChar == '\t')
bufferOffset.x = (1.0f * fontScale + std::floor((1.0f + bufferOffset.x)) / (float(mTabSize) * spaceSize)) * (float(mTabSize) * spaceSize);
else
AppendBuffer(buffer, glyph.mChar, 0);
++columnNo;
}
if (!buffer.empty())
{
const ImVec2 newOffset(textScreenPos.x + bufferOffset.x, textScreenPos.y + bufferOffset.y);
drawList->AddText(newOffset, mPalette[(uint8_t)prevColor], buffer.c_str());
buffer.clear();
}
++lineNo;
}
if (ImGui::IsMousePosValid())
{
auto id = GetWordAt(ScreenPosToCoordinates(ImGui::GetMousePos()));
if (!id.empty())
{
auto it = mLanguageDefinition.mIdentifiers.find(id);
if (it != mLanguageDefinition.mIdentifiers.end())
{
ImGui::BeginTooltip();
ImGui::TextUnformatted(it->second.mDeclaration.c_str());
ImGui::EndTooltip();
}
else
{
auto pi = mLanguageDefinition.mPreprocIdentifiers.find(id);
if (pi != mLanguageDefinition.mPreprocIdentifiers.end())
{
ImGui::BeginTooltip();
ImGui::TextUnformatted(pi->second.mDeclaration.c_str());
ImGui::EndTooltip();
}
}
}
}
}
ImGui::Dummy(ImVec2((longest + 2), mLines.size() * mCharAdvance.y));
if (mScrollToCursor)
{
EnsureCursorVisible();
ImGui::SetWindowFocus();
mScrollToCursor = false;
}
ImGui::PopAllowKeyboardFocus();
ImGui::EndChild();
ImGui::PopStyleVar();
ImGui::PopStyleColor();
mWithinRender = false;
}
void TextEditor::SetText(const std::string & aText)
{
mLines.clear();
mLines.push_back(Line());
for (auto chr : aText)
{
if (chr == '\r')
{
// ignore the carriage return character
}
else if (chr == '\n')
mLines.push_back(Line());
else
{
mLines.back().push_back(Glyph(chr, PaletteIndex::Default));
}
mTextChanged = true;
}
mUndoBuffer.clear();
Colorize();
}
void TextEditor::EnterCharacter(Char aChar, bool aShift)
{
assert(!mReadOnly);
UndoRecord u;
u.mBefore = mState;
if (HasSelection())
{
if (aChar == '\t')
{
auto start = mState.mSelectionStart;
auto end = mState.mSelectionEnd;
if (start > end)
std::swap(start, end);
start.mColumn = 0;
// end.mColumn = end.mLine < mLines.size() ? mLines[end.mLine].size() : 0;
if (end.mColumn == 0 && end.mLine > 0)
{
--end.mLine;
end.mColumn = mLines[end.mLine].size();
}
u.mRemovedStart = start;
u.mRemovedEnd = end;
u.mRemoved = GetText(start, end);
bool modified = false;
for (int i = start.mLine; i <= end.mLine; i++)
{
auto& line = mLines[i];
if (aShift)
{
if (line[0].mChar == '\t')
{
line.erase(line.begin());
if (i == end.mLine && end.mColumn > 0)
end.mColumn--;
modified = true;
}
else for (int j = 0; j < mTabSize && line[0].mChar == ' '; j++)
{
line.erase(line.begin());
if (i == end.mLine && end.mColumn > 0)
end.mColumn--;
modified = true;
}
}
else
{
line.insert(line.begin(), Glyph('\t', TextEditor::PaletteIndex::Background));
if (i == end.mLine)
++end.mColumn;
modified = true;
}
}
if (modified)
{
u.mAddedStart = start;
u.mAddedEnd = end;
u.mAdded = GetText(start, end);
mTextChanged = true;
AddUndo(u);
EnsureCursorVisible();
}
return;
}
else
{
u.mRemoved = GetSelectedText();
u.mRemovedStart = mState.mSelectionStart;
u.mRemovedEnd = mState.mSelectionEnd;
DeleteSelection();
}
}
auto coord = GetActualCursorCoordinates();
u.mAddedStart = coord;
assert(!mLines.empty());
if (aChar == '\n')
{
InsertLine(coord.mLine + 1);
auto& line = mLines[coord.mLine];
auto& newLine = mLines[coord.mLine + 1];
if (mLanguageDefinition.mAutoIndentation)
{
for (size_t it = 0; it < line.size() && isblank(line[it].mChar); ++it)
newLine.push_back(line[it]);
}
const size_t whitespaceSize = newLine.size();
newLine.insert(newLine.end(), line.begin() + coord.mColumn, line.end());
line.erase(line.begin() + coord.mColumn, line.begin() + line.size());
SetCursorPosition(Coordinates(coord.mLine + 1, (int)whitespaceSize));
}
else
{
auto& line = mLines[coord.mLine];
if (mOverwrite && (int)line.size() > coord.mColumn)
line[coord.mColumn] = Glyph(aChar, PaletteIndex::Default);
else
line.insert(line.begin() + coord.mColumn, Glyph(aChar, PaletteIndex::Default));
SetCursorPosition(Coordinates(coord.mLine, coord.mColumn + 1));
}
mTextChanged = true;
u.mAdded = aChar;
u.mAddedEnd = GetActualCursorCoordinates();
u.mAfter = mState;
AddUndo(u);
Colorize(coord.mLine - 1, 3);
EnsureCursorVisible();
}
void TextEditor::SetReadOnly(bool aValue)
{
mReadOnly = aValue;
}
void TextEditor::SetCursorPosition(const Coordinates & aPosition)
{
if (mState.mCursorPosition != aPosition)
{
mState.mCursorPosition = aPosition;
mCursorPositionChanged = true;
EnsureCursorVisible();
}
}
void TextEditor::SetSelectionStart(const Coordinates & aPosition)
{
mState.mSelectionStart = SanitizeCoordinates(aPosition);
if (mState.mSelectionStart > mState.mSelectionEnd)
std::swap(mState.mSelectionStart, mState.mSelectionEnd);
}
void TextEditor::SetSelectionEnd(const Coordinates & aPosition)
{
mState.mSelectionEnd = SanitizeCoordinates(aPosition);
if (mState.mSelectionStart > mState.mSelectionEnd)
std::swap(mState.mSelectionStart, mState.mSelectionEnd);
}
void TextEditor::SetSelection(const Coordinates & aStart, const Coordinates & aEnd, SelectionMode aMode)
{
auto oldSelStart = mState.mSelectionStart;
auto oldSelEnd = mState.mSelectionEnd;
mState.mSelectionStart = SanitizeCoordinates(aStart);
mState.mSelectionEnd = SanitizeCoordinates(aEnd);
if (aStart > aEnd)
std::swap(mState.mSelectionStart, mState.mSelectionEnd);
switch (aMode)
{
case TextEditor::SelectionMode::Normal:
break;
case TextEditor::SelectionMode::Word:
{
mState.mSelectionStart = FindWordStart(mState.mSelectionStart);
if (!IsOnWordBoundary(mState.mSelectionEnd))
mState.mSelectionEnd = FindWordEnd(FindWordStart(mState.mSelectionEnd));
break;
}
case TextEditor::SelectionMode::Line:
{
const auto lineNo = mState.mSelectionEnd.mLine;
const auto lineSize = lineNo < mLines.size() ? mLines[lineNo].size() : 0;
mState.mSelectionStart = Coordinates(mState.mSelectionStart.mLine, 0);
mState.mSelectionEnd = Coordinates(lineNo, (int) lineSize);
break;
}
default:
break;
}
if (mState.mSelectionStart != oldSelStart ||
mState.mSelectionEnd != oldSelEnd)
mCursorPositionChanged = true;
}
void TextEditor::InsertText(const std::string & aValue)
{
InsertText(aValue.c_str());
}
void TextEditor::InsertText(const char * aValue)
{
if (aValue == nullptr)
return;
auto pos = GetActualCursorCoordinates();
auto start = std::min(pos, mState.mSelectionStart);
int totalLines = pos.mLine - start.mLine;
totalLines += InsertTextAt(pos, aValue);
SetSelection(pos, pos);
SetCursorPosition(pos);
Colorize(start.mLine - 1, totalLines + 2);
}
void TextEditor::DeleteSelection()
{
assert(mState.mSelectionEnd >= mState.mSelectionStart);
if (mState.mSelectionEnd == mState.mSelectionStart)
return;
DeleteRange(mState.mSelectionStart, mState.mSelectionEnd);
SetSelection(mState.mSelectionStart, mState.mSelectionStart);
SetCursorPosition(mState.mSelectionStart);
Colorize(mState.mSelectionStart.mLine, 1);
}
void TextEditor::MoveUp(int aAmount, bool aSelect)
{
auto oldPos = mState.mCursorPosition;
mState.mCursorPosition.mLine = std::max(0, mState.mCursorPosition.mLine - aAmount);
if (oldPos != mState.mCursorPosition)
{
if (aSelect)
{
if (oldPos == mInteractiveStart)
mInteractiveStart = mState.mCursorPosition;
else if (oldPos == mInteractiveEnd)
mInteractiveEnd = mState.mCursorPosition;
else
{
mInteractiveStart = mState.mCursorPosition;
mInteractiveEnd = oldPos;
}
}
else
mInteractiveStart = mInteractiveEnd = mState.mCursorPosition;
SetSelection(mInteractiveStart, mInteractiveEnd);
EnsureCursorVisible();
}
}
void TextEditor::MoveDown(int aAmount, bool aSelect)
{
assert(mState.mCursorPosition.mColumn >= 0);
auto oldPos = mState.mCursorPosition;
mState.mCursorPosition.mLine = std::max(0, std::min((int)mLines.size() - 1, mState.mCursorPosition.mLine + aAmount));
if (mState.mCursorPosition != oldPos)
{
if (aSelect)
{
if (oldPos == mInteractiveEnd)
mInteractiveEnd = mState.mCursorPosition;
else if (oldPos == mInteractiveStart)
mInteractiveStart = mState.mCursorPosition;
else
{
mInteractiveStart = oldPos;
mInteractiveEnd = mState.mCursorPosition;
}
}
else
mInteractiveStart = mInteractiveEnd = mState.mCursorPosition;
SetSelection(mInteractiveStart, mInteractiveEnd);
EnsureCursorVisible();
}
}
void TextEditor::MoveLeft(int aAmount, bool aSelect, bool aWordMode)
{
if (mLines.empty())
return;
auto oldPos = mState.mCursorPosition;
mState.mCursorPosition = GetActualCursorCoordinates();
while (aAmount-- > 0)
{
if (mState.mCursorPosition.mColumn == 0)
{
if (mState.mCursorPosition.mLine > 0)
{
--mState.mCursorPosition.mLine;
mState.mCursorPosition.mColumn = (int)mLines[mState.mCursorPosition.mLine].size();
}
}
else
{
mState.mCursorPosition.mColumn = std::max(0, mState.mCursorPosition.mColumn - 1);
if (aWordMode)
mState.mCursorPosition = FindWordStart(mState.mCursorPosition);
}
}
assert(mState.mCursorPosition.mColumn >= 0);
if (aSelect)
{
if (oldPos == mInteractiveStart)
mInteractiveStart = mState.mCursorPosition;
else if (oldPos == mInteractiveEnd)
mInteractiveEnd = mState.mCursorPosition;
else
{
mInteractiveStart = mState.mCursorPosition;
mInteractiveEnd = oldPos;
}
}
else
mInteractiveStart = mInteractiveEnd = mState.mCursorPosition;
SetSelection(mInteractiveStart, mInteractiveEnd, aSelect && aWordMode ? SelectionMode::Word : SelectionMode::Normal);
EnsureCursorVisible();
}
void TextEditor::MoveRight(int aAmount, bool aSelect, bool aWordMode)
{
auto oldPos = mState.mCursorPosition;
if (mLines.empty())
return;
while (aAmount-- > 0)
{
auto& line = mLines[mState.mCursorPosition.mLine];
if (mState.mCursorPosition.mColumn >= (int)line.size())
{
if (mState.mCursorPosition.mLine < (int)mLines.size() - 1)
{
mState.mCursorPosition.mLine = std::max(0, std::min((int)mLines.size() - 1, mState.mCursorPosition.mLine + 1));
mState.mCursorPosition.mColumn = 0;
}
}
else
{
mState.mCursorPosition.mColumn = std::max(0, std::min((int)line.size(), mState.mCursorPosition.mColumn + 1));
if (aWordMode)
mState.mCursorPosition = FindWordEnd(mState.mCursorPosition);
}
}
if (aSelect)
{
if (oldPos == mInteractiveEnd)
mInteractiveEnd = SanitizeCoordinates(mState.mCursorPosition);
else if (oldPos == mInteractiveStart)
mInteractiveStart = mState.mCursorPosition;
else
{
mInteractiveStart = oldPos;
mInteractiveEnd = mState.mCursorPosition;
}
}
else
mInteractiveStart = mInteractiveEnd = mState.mCursorPosition;
SetSelection(mInteractiveStart, mInteractiveEnd, aSelect && aWordMode ? SelectionMode::Word : SelectionMode::Normal);
EnsureCursorVisible();
}
void TextEditor::MoveTop(bool aSelect)
{
auto oldPos = mState.mCursorPosition;
SetCursorPosition(Coordinates(0, 0));
if (mState.mCursorPosition != oldPos)
{
if (aSelect)
{
mInteractiveEnd = oldPos;
mInteractiveStart = mState.mCursorPosition;
}
else
mInteractiveStart = mInteractiveEnd = mState.mCursorPosition;
SetSelection(mInteractiveStart, mInteractiveEnd);
}
}
void TextEditor::TextEditor::MoveBottom(bool aSelect)
{
auto oldPos = GetCursorPosition();
auto newPos = Coordinates((int)mLines.size() - 1, 0);
SetCursorPosition(newPos);
if (aSelect)
{
mInteractiveStart = oldPos;
mInteractiveEnd = newPos;
}
else
mInteractiveStart = mInteractiveEnd = newPos;
SetSelection(mInteractiveStart, mInteractiveEnd);
}
void TextEditor::MoveHome(bool aSelect)
{
auto oldPos = mState.mCursorPosition;
SetCursorPosition(Coordinates(mState.mCursorPosition.mLine, 0));
if (mState.mCursorPosition != oldPos)
{
if (aSelect)
{
if (oldPos == mInteractiveStart)
mInteractiveStart = mState.mCursorPosition;
else if (oldPos == mInteractiveEnd)
mInteractiveEnd = mState.mCursorPosition;
else
{
mInteractiveStart = mState.mCursorPosition;
mInteractiveEnd = oldPos;
}
}
else
mInteractiveStart = mInteractiveEnd = mState.mCursorPosition;
SetSelection(mInteractiveStart, mInteractiveEnd);
}
}
void TextEditor::MoveEnd(bool aSelect)
{
auto oldPos = mState.mCursorPosition;
SetCursorPosition(Coordinates(mState.mCursorPosition.mLine, (int)mLines[oldPos.mLine].size()));
if (mState.mCursorPosition != oldPos)
{
if (aSelect)
{
if (oldPos == mInteractiveEnd)
mInteractiveEnd = mState.mCursorPosition;
else if (oldPos == mInteractiveStart)
mInteractiveStart = mState.mCursorPosition;
else
{
mInteractiveStart = oldPos;
mInteractiveEnd = mState.mCursorPosition;
}
}
else
mInteractiveStart = mInteractiveEnd = mState.mCursorPosition;
SetSelection(mInteractiveStart, mInteractiveEnd);
}
}
void TextEditor::Delete()
{
assert(!mReadOnly);
if (mLines.empty())
return;
UndoRecord u;
u.mBefore = mState;
if (HasSelection())
{
u.mRemoved = GetSelectedText();
u.mRemovedStart = mState.mSelectionStart;
u.mRemovedEnd = mState.mSelectionEnd;
DeleteSelection();
}
else
{
auto pos = GetActualCursorCoordinates();
SetCursorPosition(pos);
auto& line = mLines[pos.mLine];
if (pos.mColumn == (int)line.size())
{
if (pos.mLine == (int)mLines.size() - 1)
return;
u.mRemoved = '\n';
u.mRemovedStart = u.mRemovedEnd = GetActualCursorCoordinates();
Advance(u.mRemovedEnd);
auto& nextLine = mLines[pos.mLine + 1];
line.insert(line.end(), nextLine.begin(), nextLine.end());
RemoveLine(pos.mLine + 1);
}
else
{
u.mRemoved = line[pos.mColumn].mChar;
u.mRemovedStart = u.mRemovedEnd = GetActualCursorCoordinates();
u.mRemovedEnd.mColumn++;
line.erase(line.begin() + pos.mColumn);
}
mTextChanged = true;
Colorize(pos.mLine, 1);
}
u.mAfter = mState;
AddUndo(u);
}
void TextEditor::BackSpace()
{
assert(!mReadOnly);
if (mLines.empty())
return;
UndoRecord u;
u.mBefore = mState;
if (HasSelection())
{
u.mRemoved = GetSelectedText();
u.mRemovedStart = mState.mSelectionStart;
u.mRemovedEnd = mState.mSelectionEnd;
DeleteSelection();
}
else
{
auto pos = GetActualCursorCoordinates();
SetCursorPosition(pos);
if (mState.mCursorPosition.mColumn == 0)
{
if (mState.mCursorPosition.mLine == 0)
return;
u.mRemoved = '\n';
u.mRemovedStart = u.mRemovedEnd = Coordinates(pos.mLine - 1, (int)mLines[pos.mLine - 1].size());
Advance(u.mRemovedEnd);
auto& line = mLines[mState.mCursorPosition.mLine];
auto& prevLine = mLines[mState.mCursorPosition.mLine - 1];
auto prevSize = (int)prevLine.size();
prevLine.insert(prevLine.end(), line.begin(), line.end());
ErrorMarkers etmp;
for (auto& i : mErrorMarkers)
etmp.insert(ErrorMarkers::value_type(i.first - 1 == mState.mCursorPosition.mLine ? i.first - 1 : i.first, i.second));
mErrorMarkers = std::move(etmp);
RemoveLine(mState.mCursorPosition.mLine);
--mState.mCursorPosition.mLine;
mState.mCursorPosition.mColumn = prevSize;
}
else
{
auto& line = mLines[mState.mCursorPosition.mLine];
u.mRemoved = line[pos.mColumn - 1].mChar;
u.mRemovedStart = u.mRemovedEnd = GetActualCursorCoordinates();
--u.mRemovedStart.mColumn;
--mState.mCursorPosition.mColumn;
if (mState.mCursorPosition.mColumn < (int)line.size())
line.erase(line.begin() + mState.mCursorPosition.mColumn);
}
mTextChanged = true;
EnsureCursorVisible();
Colorize(mState.mCursorPosition.mLine, 1);
}
u.mAfter = mState;
AddUndo(u);
}
void TextEditor::SelectWordUnderCursor()
{
auto c = GetCursorPosition();
SetSelection(FindWordStart(c), FindWordEnd(c));
}
void TextEditor::SelectAll()
{
SetSelection(Coordinates(0, 0), Coordinates((int)mLines.size(), 0));
}
bool TextEditor::HasSelection() const
{
return mState.mSelectionEnd > mState.mSelectionStart;
}
void TextEditor::Copy()
{
if (HasSelection())
{
ImGui::SetClipboardText(GetSelectedText().c_str());
}
else
{
if (!mLines.empty())
{
std::string str;
auto& line = mLines[GetActualCursorCoordinates().mLine];
for (auto& g : line)
str.push_back(g.mChar);
ImGui::SetClipboardText(str.c_str());
}
}
}
void TextEditor::Cut()
{
if (IsReadOnly())
{
Copy();
}
else
{
if (HasSelection())
{
UndoRecord u;
u.mBefore = mState;
u.mRemoved = GetSelectedText();
u.mRemovedStart = mState.mSelectionStart;
u.mRemovedEnd = mState.mSelectionEnd;
Copy();
DeleteSelection();
u.mAfter = mState;
AddUndo(u);
}
}
}
void TextEditor::Paste()
{
auto clipText = ImGui::GetClipboardText();
if (clipText != nullptr && strlen(clipText) > 0)
{
UndoRecord u;
u.mBefore = mState;
if (HasSelection())
{
u.mRemoved = GetSelectedText();
u.mRemovedStart = mState.mSelectionStart;
u.mRemovedEnd = mState.mSelectionEnd;
DeleteSelection();
}
u.mAdded = clipText;
u.mAddedStart = GetActualCursorCoordinates();
InsertText(clipText);
u.mAddedEnd = GetActualCursorCoordinates();
u.mAfter = mState;
AddUndo(u);
}
}
bool TextEditor::CanUndo() const
{
return mUndoIndex > 0;
}
bool TextEditor::CanRedo() const
{
return mUndoIndex < (int)mUndoBuffer.size();
}
void TextEditor::Undo(int aSteps)
{
while (CanUndo() && aSteps-- > 0)
mUndoBuffer[--mUndoIndex].Undo(this);
}
void TextEditor::Redo(int aSteps)
{
while (CanRedo() && aSteps-- > 0)
mUndoBuffer[mUndoIndex++].Redo(this);
}
const TextEditor::Palette & TextEditor::GetDarkPalette()
{
static Palette p = { {
0xffffffff, // None
0xffd69c56, // Keyword
0xff00ff00, // Number
0xff7070e0, // String
0xff70a0e0, // Char literal
0xffffffff, // Punctuation
0xff409090, // Preprocessor
0xffaaaaaa, // Identifier
0xff9bc64d, // Known identifier
0xffc040a0, // Preproc identifier
0xff206020, // Comment (single line)
0xff406020, // Comment (multi line)
0xff101010, // Background
0xffe0e0e0, // Cursor
0x80a06020, // Selection
0x800020ff, // ErrorMarker
0x40f08000, // Breakpoint
0xff707000, // Line number
0x40000000, // Current line fill
0x40808080, // Current line fill (inactive)
0x40a0a0a0, // Current line edge
} };
return p;
}
const TextEditor::Palette & TextEditor::GetLightPalette()
{
static Palette p = { {
0xff000000, // None
0xffff0c06, // Keyword
0xff008000, // Number
0xff2020a0, // String
0xff304070, // Char literal
0xff000000, // Punctuation
0xff409090, // Preprocessor
0xff404040, // Identifier
0xff606010, // Known identifier
0xffc040a0, // Preproc identifier
0xff205020, // Comment (single line)
0xff405020, // Comment (multi line)
0xffffffff, // Background
0xff000000, // Cursor
0x80600000, // Selection
0xa00010ff, // ErrorMarker
0x80f08000, // Breakpoint
0xff505000, // Line number
0x40000000, // Current line fill
0x40808080, // Current line fill (inactive)
0x40000000, // Current line edge
} };
return p;
}
const TextEditor::Palette & TextEditor::GetRetroBluePalette()
{
static Palette p = { {
0xff00ffff, // None
0xffffff00, // Keyword
0xff00ff00, // Number
0xff808000, // String
0xff808000, // Char literal
0xffffffff, // Punctuation
0xff008000, // Preprocessor
0xff00ffff, // Identifier
0xffffffff, // Known identifier
0xffff00ff, // Preproc identifier
0xff808080, // Comment (single line)
0xff404040, // Comment (multi line)
0xff800000, // Background
0xff0080ff, // Cursor
0x80ffff00, // Selection
0xa00000ff, // ErrorMarker
0x80ff8000, // Breakpoint
0xff808000, // Line number
0x40000000, // Current line fill
0x40808080, // Current line fill (inactive)
0x40000000, // Current line edge
} };
return p;
}
std::string TextEditor::GetText() const
{
return GetText(Coordinates(), Coordinates((int)mLines.size(), 0));
}
std::string TextEditor::GetSelectedText() const
{
return GetText(mState.mSelectionStart, mState.mSelectionEnd);
}
std::string TextEditor::GetCurrentLineText()const
{
auto lineLength = (int) mLines[mState.mCursorPosition.mLine].size();
return GetText(Coordinates(mState.mCursorPosition.mLine, 0), Coordinates(mState.mCursorPosition.mLine, lineLength));
}
void TextEditor::ProcessInputs()
{
}
void TextEditor::Colorize(int aFromLine, int aLines)
{
int toLine = aLines == -1 ? (int)mLines.size() : std::min((int)mLines.size(), aFromLine + aLines);
mColorRangeMin = std::min(mColorRangeMin, aFromLine);
mColorRangeMax = std::max(mColorRangeMax, toLine);
mColorRangeMin = std::max(0, mColorRangeMin);
mColorRangeMax = std::max(mColorRangeMin, mColorRangeMax);
mCheckMultilineComments = true;
}
void TextEditor::ColorizeRange(int aFromLine, int aToLine)
{
if (mLines.empty() || aFromLine >= aToLine)
return;
std::string buffer;
std::cmatch results;
std::string id;
int endLine = std::max(0, std::min((int)mLines.size(), aToLine));
for (int i = aFromLine; i < endLine; ++i)
{
bool preproc = false;
auto& line = mLines[i];
if (line.empty())
continue;
buffer.resize(line.size());
for (size_t j = 0; j < line.size(); ++j)
{
auto& col = line[j];
buffer[j] = col.mChar;
col.mColorIndex = PaletteIndex::Default;
}
const char * bufferBegin = &buffer.front();
const char * bufferEnd = bufferBegin + buffer.size();
auto last = bufferEnd;
for (auto first = bufferBegin; first != last; )
{
const char * token_begin = nullptr;
const char * token_end = nullptr;
PaletteIndex token_color = PaletteIndex::Default;
bool hasTokenizeResult = false;
if (mLanguageDefinition.mTokenize != nullptr)
{
if (mLanguageDefinition.mTokenize(first, last, token_begin, token_end, token_color))
hasTokenizeResult = true;
}
if (hasTokenizeResult == false)
{
// todo : remove
//printf("using regex for %.*s\n", first + 10 < last ? 10 : int(last - first), first);
for (auto& p : mRegexList)
{
if (std::regex_search(first, last, results, p.first, std::regex_constants::match_continuous))
{
hasTokenizeResult = true;
auto& v = *results.begin();
token_begin = v.first;
token_end = v.second;
token_color = p.second;
break;
}
}
}
if (hasTokenizeResult == false)
{
first++;
}
else
{
const size_t token_length = token_end - token_begin;
if (token_color == PaletteIndex::Identifier)
{
id.assign(token_begin, token_end);
// todo : allmost all language definitions use lower case to specify keywords, so shouldn't this use ::tolower ?
if (!mLanguageDefinition.mCaseSensitive)
std::transform(id.begin(), id.end(), id.begin(), ::toupper);
if (!preproc)
{
if (mLanguageDefinition.mKeywords.count(id) != 0)
token_color = PaletteIndex::Keyword;
else if (mLanguageDefinition.mIdentifiers.count(id) != 0)
token_color = PaletteIndex::KnownIdentifier;
else if (mLanguageDefinition.mPreprocIdentifiers.count(id) != 0)
token_color = PaletteIndex::PreprocIdentifier;
}
else
{
if (mLanguageDefinition.mPreprocIdentifiers.count(id) != 0)
token_color = PaletteIndex::PreprocIdentifier;
else
token_color = PaletteIndex::Identifier;
}
}
else if (token_color == PaletteIndex::Preprocessor)
{
preproc = true;
}
for (int j = 0; j < token_length; ++j)
line[(token_begin - bufferBegin) + j].mColorIndex = token_color;
first = token_end;
}
}
}
}
void TextEditor::ColorizeInternal()
{
if (mLines.empty())
return;
if (mCheckMultilineComments)
{
auto end = Coordinates((int)mLines.size(), 0);
auto commentStart = end;
auto withinString = false;
for (auto i = Coordinates(0, 0); i < end; Advance(i))
{
auto& line = mLines[i.mLine];
if (!line.empty())
{
auto& g = line[i.mColumn];
auto c = g.mChar;
bool inComment = commentStart <= i;
if (withinString)
{
line[i.mColumn].mMultiLineComment = inComment;
if (c == '\"')
{
if (i.mColumn + 1 < (int)line.size() && line[i.mColumn + 1].mChar == '\"')
{
Advance(i);
if (i.mColumn < (int)line.size())
line[i.mColumn].mMultiLineComment = inComment;
}
else
withinString = false;
}
else if (c == '\\')
{
Advance(i);
if (i.mColumn < (int)line.size())
line[i.mColumn].mMultiLineComment = inComment;
}
}
else
{
if (c == '\"')
{
withinString = true;
line[i.mColumn].mMultiLineComment = inComment;
}
else
{
auto pred = [](const char& a, const Glyph& b) { return a == b.mChar; };
auto from = line.begin() + i.mColumn;
auto& startStr = mLanguageDefinition.mCommentStart;
if (i.mColumn + startStr.size() <= line.size() &&
equals(startStr.begin(), startStr.end(), from, from + startStr.size(), pred))
commentStart = i;
inComment = commentStart <= i;
line[i.mColumn].mMultiLineComment = inComment;
auto& endStr = mLanguageDefinition.mCommentEnd;
if (i.mColumn + 1 >= (int)endStr.size() &&
equals(endStr.begin(), endStr.end(), from + 1 - endStr.size(), from + 1, pred))
commentStart = end;
}
}
}
}
mCheckMultilineComments = false;
return;
}
if (mColorRangeMin < mColorRangeMax)
{
const int increment = (mLanguageDefinition.mTokenize == nullptr) ? 10 : 10000;
const int to = std::min(mColorRangeMin + increment, mColorRangeMax);
ColorizeRange(mColorRangeMin, to);
mColorRangeMin = to;
if (mColorRangeMax == mColorRangeMin)
{
mColorRangeMin = std::numeric_limits<int>::max();
mColorRangeMax = 0;
}
return;
}
}
float TextEditor::TextDistanceToLineStart(const Coordinates& aFrom) const
{
auto& line = mLines[aFrom.mLine];
float distance = 0.0f;
auto fontScale = ImGui::GetFontSize() / ImGui::GetFont()->FontSize;
float spaceSize = ImGui::CalcTextSize(" ").x + 1.0f * fontScale;
for (size_t it = 0u; it < line.size() && it < (unsigned)aFrom.mColumn; ++it)
{
if (line[it].mChar == '\t')
{
distance = (1.0f * fontScale + std::floor((1.0f + distance)) / (float(mTabSize) * spaceSize)) * (float(mTabSize) * spaceSize);
}
else
{
char tempCString[2];
tempCString[0] = line[it].mChar;
tempCString[1] = '\0';
distance += ImGui::CalcTextSize(tempCString).x + 1.0f * fontScale;
}
}
return distance;
}
void TextEditor::EnsureCursorVisible()
{
if (!mWithinRender)
{
mScrollToCursor = true;
return;
}
float scrollX = ImGui::GetScrollX();
float scrollY = ImGui::GetScrollY();
auto height = ImGui::GetWindowHeight();
auto width = ImGui::GetWindowWidth();
auto top = 1 + (int)ceil(scrollY / mCharAdvance.y);
auto bottom = (int)ceil((scrollY + height) / mCharAdvance.y);
auto left = (int)ceil(scrollX / mCharAdvance.x);
auto right = (int)ceil((scrollX + width) / mCharAdvance.x);
auto pos = GetActualCursorCoordinates();
auto len = TextDistanceToLineStart(pos);
if (pos.mLine < top)
ImGui::SetScrollY(std::max(0.0f, (pos.mLine - 1) * mCharAdvance.y));
if (pos.mLine > bottom - 4)
ImGui::SetScrollY(std::max(0.0f, (pos.mLine + 4) * mCharAdvance.y - height));
if (len + mTextStart < left + 4)
ImGui::SetScrollX(std::max(0.0f, len + mTextStart - 4));
if (len + mTextStart > right - 4)
ImGui::SetScrollX(std::max(0.0f, len + mTextStart + 4 - width));
}
int TextEditor::GetPageSize() const
{
auto height = ImGui::GetWindowHeight() - 20.0f;
return (int)floor(height / mCharAdvance.y);
}
TextEditor::UndoRecord::UndoRecord(
const std::string& aAdded,
const TextEditor::Coordinates aAddedStart,
const TextEditor::Coordinates aAddedEnd,
const std::string& aRemoved,
const TextEditor::Coordinates aRemovedStart,
const TextEditor::Coordinates aRemovedEnd,
TextEditor::EditorState& aBefore,
TextEditor::EditorState& aAfter)
: mAdded(aAdded)
, mAddedStart(aAddedStart)
, mAddedEnd(aAddedEnd)
, mRemoved(aRemoved)
, mRemovedStart(aRemovedStart)
, mRemovedEnd(aRemovedEnd)
, mBefore(aBefore)
, mAfter(aAfter)
{
assert(mAddedStart <= mAddedEnd);
assert(mRemovedStart <= mRemovedEnd);
}
void TextEditor::UndoRecord::Undo(TextEditor * aEditor)
{
if (!mAdded.empty())
{
aEditor->DeleteRange(mAddedStart, mAddedEnd);
aEditor->Colorize(mAddedStart.mLine - 1, mAddedEnd.mLine - mAddedStart.mLine + 2);
}
if (!mRemoved.empty())
{
auto start = mRemovedStart;
aEditor->InsertTextAt(start, mRemoved.c_str());
aEditor->Colorize(mRemovedStart.mLine - 1, mRemovedEnd.mLine - mRemovedStart.mLine + 2);
}
aEditor->mState = mBefore;
aEditor->EnsureCursorVisible();
}
void TextEditor::UndoRecord::Redo(TextEditor * aEditor)
{
if (!mRemoved.empty())
{
aEditor->DeleteRange(mRemovedStart, mRemovedEnd);
aEditor->Colorize(mRemovedStart.mLine - 1, mRemovedEnd.mLine - mRemovedStart.mLine + 1);
}
if (!mAdded.empty())
{
auto start = mAddedStart;
aEditor->InsertTextAt(start, mAdded.c_str());
aEditor->Colorize(mAddedStart.mLine - 1, mAddedEnd.mLine - mAddedStart.mLine + 1);
}
aEditor->mState = mAfter;
aEditor->EnsureCursorVisible();
}
static bool TokenizeCStyleComment(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end)
{
if (*in_begin != '/')
return false;
if (in_begin + 1 < in_end && in_begin[1] == '/')
{
out_begin = in_begin;
out_end = in_end;
return true;
}
return false;
}
static bool TokenizeCStylePreprocessorDirective(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end)
{
if (*in_begin != '#')
return false;
const char * p = in_begin + 1;
while (p < in_end && isblank(*p))
p++;
bool hasText = false;
while (p < in_end && ((*p >= 'a' && *p <= 'z') || (*p >= 'A' && *p <= 'Z') || *p == '_'))
{
hasText = true;
p++;
}
if (hasText)
{
out_begin = in_begin;
out_end = p;
return true;
}
return false;
}
static bool TokenizeCStyleString(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end)
{
const char * p = in_begin;
if (*p == '"')
{
p++;
while (p < in_end)
{
// handle end of string
if (*p == '"')
{
out_begin = in_begin;
out_end = p + 1;
return true;
}
// handle escape character for "
if (*p == '\\' && p + 1 < in_end && p[1] == '"')
p++;
p++;
}
}
return false;
}
static bool TokenizeCStyleCharacterLiteral(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end)
{
const char * p = in_begin;
if (*p == '\'')
{
p++;
// handle escape characters
if (p < in_end && *p == '\\')
p++;
if (p < in_end)
p++;
// handle end of character literal
if (p < in_end && *p == '\'')
{
out_begin = in_begin;
out_end = p + 1;
return true;
}
}
return false;
}
static bool TokenizeCStyleIdentifier(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end)
{
const char * p = in_begin;
if ((*p >= 'a' && *p <= 'z') || (*p >= 'A' && *p <= 'Z') || *p == '_')
{
p++;
while ((p < in_end) && ((*p >= 'a' && *p <= 'z') || (*p >= 'A' && *p <= 'Z') || (*p >= '0' && *p <= '9') || *p == '_'))
p++;
out_begin = in_begin;
out_end = p;
return true;
}
return false;
}
static bool TokenizeCStyleNumber(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end)
{
const char * p = in_begin;
const bool startsWithNumber = *p >= '0' && *p <= '9';
if (*p != '+' && *p != '-' && !startsWithNumber)
return false;
p++;
bool hasNumber = startsWithNumber;
while (p < in_end && (*p >= '0' && *p <= '9'))
{
hasNumber = true;
p++;
}
if (hasNumber == false)
return false;
bool isFloat = false;
bool isHex = false;
bool isBinary = false;
if (p < in_end)
{
if (*p == '.')
{
isFloat = true;
p++;
while (p < in_end && (*p >= '0' && *p <= '9'))
p++;
}
else if (*p == 'x' || *p == 'X')
{
// hex formatted integer of the type 0xef80
isHex = true;
p++;
while (p < in_end && ((*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F')))
p++;
}
else if (*p == 'b' || *p == 'B')
{
// binary formatted integer of the type 0b01011101
isBinary = true;
p++;
while (p < in_end && (*p >= '0' && *p <= '1'))
p++;
}
}
if (isHex == false && isBinary == false)
{
// floating point exponent
if (p < in_end && (*p == 'e' || *p == 'E'))
{
isFloat = true;
p++;
if (p < in_end && (*p == '+' || *p == '-'))
p++;
bool hasDigits = false;
while (p < in_end && (*p >= '0' && *p <= '9'))
{
hasDigits = true;
p++;
}
if (hasDigits == false)
return false;
}
// single precision floating point type
if (p < in_end && *p == 'f')
p++;
}
if (isFloat == false)
{
// integer size type
while (p < in_end && (*p == 'u' || *p == 'U' || *p == 'l' || *p == 'L'))
p++;
}
out_begin = in_begin;
out_end = p;
return true;
}
static bool TokenizeCStylePunctuation(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end)
{
switch (*in_begin)
{
case '[':
case ']':
case '{':
case '}':
case '!':
case '%':
case '^':
case '&':
case '*':
case '(':
case ')':
case '-':
case '+':
case '=':
case '~':
case '|':
case '<':
case '>':
case '?':
case ':':
case '/':
case ';':
case ',':
case '.':
out_begin = in_begin;
out_end = in_begin + 1;
return true;
}
return false;
}
const TextEditor::LanguageDefinition& TextEditor::LanguageDefinition::CPlusPlus()
{
static bool inited = false;
static LanguageDefinition langDef;
if (!inited)
{
static const char* const cppKeywords[] = {
"alignas", "alignof", "and", "and_eq", "asm", "atomic_cancel", "atomic_commit", "atomic_noexcept", "auto", "bitand", "bitor", "bool", "break", "case", "catch", "char", "char16_t", "char32_t", "class",
"compl", "concept", "const", "constexpr", "const_cast", "continue", "decltype", "default", "delete", "do", "double", "dynamic_cast", "else", "enum", "explicit", "export", "extern", "false", "float",
"for", "friend", "goto", "if", "import", "inline", "int", "long", "module", "mutable", "namespace", "new", "noexcept", "not", "not_eq", "nullptr", "operator", "or", "or_eq", "private", "protected", "public",
"register", "reinterpret_cast", "requires", "return", "short", "signed", "sizeof", "static", "static_assert", "static_cast", "struct", "switch", "synchronized", "template", "this", "thread_local",
"throw", "true", "try", "typedef", "typeid", "typename", "union", "unsigned", "using", "virtual", "void", "volatile", "wchar_t", "while", "xor", "xor_eq"
};
for (auto& k : cppKeywords)
langDef.mKeywords.insert(k);
static const char* const identifiers[] = {
"abort", "abs", "acos", "asin", "atan", "atexit", "atof", "atoi", "atol", "ceil", "clock", "cosh", "ctime", "div", "exit", "fabs", "floor", "fmod", "getchar", "getenv", "isalnum", "isalpha", "isdigit", "isgraph",
"ispunct", "isspace", "isupper", "kbhit", "log10", "log2", "log", "memcmp", "modf", "pow", "printf", "sprintf", "snprintf", "putchar", "putenv", "puts", "rand", "remove", "rename", "sinh", "sqrt", "srand", "strcat", "strcmp", "strerror", "time", "tolower", "toupper",
"std", "string", "vector", "map", "unordered_map", "set", "unordered_set", "min", "max"
};
for (auto& k : identifiers)
{
Identifier id;
id.mDeclaration = "Built-in function";
langDef.mIdentifiers.insert(std::make_pair(std::string(k), id));
}
langDef.mTokenize = [](const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end, PaletteIndex & paletteIndex) -> bool
{
paletteIndex = PaletteIndex::Max;
while (in_begin < in_end && isblank(*in_begin))
in_begin++;
if (in_begin == in_end)
{
out_begin = in_end;
out_end = in_end;
paletteIndex = PaletteIndex::Default;
}
else if (TokenizeCStyleComment(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Comment;
else if (TokenizeCStylePreprocessorDirective(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Preprocessor;
else if (TokenizeCStyleString(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::String;
else if (TokenizeCStyleCharacterLiteral(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::CharLiteral;
else if (TokenizeCStyleIdentifier(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Identifier;
else if (TokenizeCStyleNumber(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Number;
else if (TokenizeCStylePunctuation(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Punctuation;
return paletteIndex != PaletteIndex::Max;
};
langDef.mCommentStart = "/*";
langDef.mCommentEnd = "*/";
langDef.mCaseSensitive = true;
langDef.mAutoIndentation = true;
langDef.mName = "C++";
inited = true;
}
return langDef;
}
const TextEditor::LanguageDefinition& TextEditor::LanguageDefinition::HLSL()
{
static bool inited = false;
static LanguageDefinition langDef;
if (!inited)
{
static const char* const keywords[] = {
"AppendStructuredBuffer", "asm", "asm_fragment", "BlendState", "bool", "break", "Buffer", "ByteAddressBuffer", "case", "cbuffer", "centroid", "class", "column_major", "compile", "compile_fragment",
"CompileShader", "const", "continue", "ComputeShader", "ConsumeStructuredBuffer", "default", "DepthStencilState", "DepthStencilView", "discard", "do", "double", "DomainShader", "dword", "else",
"export", "extern", "false", "float", "for", "fxgroup", "GeometryShader", "groupshared", "half", "Hullshader", "if", "in", "inline", "inout", "InputPatch", "int", "interface", "line", "lineadj",
"linear", "LineStream", "matrix", "min16float", "min10float", "min16int", "min12int", "min16uint", "namespace", "nointerpolation", "noperspective", "NULL", "out", "OutputPatch", "packoffset",
"pass", "pixelfragment", "PixelShader", "point", "PointStream", "precise", "RasterizerState", "RenderTargetView", "return", "register", "row_major", "RWBuffer", "RWByteAddressBuffer", "RWStructuredBuffer",
"RWTexture1D", "RWTexture1DArray", "RWTexture2D", "RWTexture2DArray", "RWTexture3D", "sample", "sampler", "SamplerState", "SamplerComparisonState", "shared", "snorm", "stateblock", "stateblock_state",
"static", "string", "struct", "switch", "StructuredBuffer", "tbuffer", "technique", "technique10", "technique11", "texture", "Texture1D", "Texture1DArray", "Texture2D", "Texture2DArray", "Texture2DMS",
"Texture2DMSArray", "Texture3D", "TextureCube", "TextureCubeArray", "true", "typedef", "triangle", "triangleadj", "TriangleStream", "uint", "uniform", "unorm", "unsigned", "vector", "vertexfragment",
"VertexShader", "void", "volatile", "while",
"bool1","bool2","bool3","bool4","double1","double2","double3","double4", "float1", "float2", "float3", "float4", "int1", "int2", "int3", "int4", "in", "out", "inout",
"uint1", "uint2", "uint3", "uint4", "dword1", "dword2", "dword3", "dword4", "half1", "half2", "half3", "half4",
"float1x1","float2x1","float3x1","float4x1","float1x2","float2x2","float3x2","float4x2",
"float1x3","float2x3","float3x3","float4x3","float1x4","float2x4","float3x4","float4x4",
"half1x1","half2x1","half3x1","half4x1","half1x2","half2x2","half3x2","half4x2",
"half1x3","half2x3","half3x3","half4x3","half1x4","half2x4","half3x4","half4x4",
};
for (auto& k : keywords)
langDef.mKeywords.insert(k);
static const char* const identifiers[] = {
"abort", "abs", "acos", "all", "AllMemoryBarrier", "AllMemoryBarrierWithGroupSync", "any", "asdouble", "asfloat", "asin", "asint", "asint", "asuint",
"asuint", "atan", "atan2", "ceil", "CheckAccessFullyMapped", "clamp", "clip", "cos", "cosh", "countbits", "cross", "D3DCOLORtoUBYTE4", "ddx",
"ddx_coarse", "ddx_fine", "ddy", "ddy_coarse", "ddy_fine", "degrees", "determinant", "DeviceMemoryBarrier", "DeviceMemoryBarrierWithGroupSync",
"distance", "dot", "dst", "errorf", "EvaluateAttributeAtCentroid", "EvaluateAttributeAtSample", "EvaluateAttributeSnapped", "exp", "exp2",
"f16tof32", "f32tof16", "faceforward", "firstbithigh", "firstbitlow", "floor", "fma", "fmod", "frac", "frexp", "fwidth", "GetRenderTargetSampleCount",
"GetRenderTargetSamplePosition", "GroupMemoryBarrier", "GroupMemoryBarrierWithGroupSync", "InterlockedAdd", "InterlockedAnd", "InterlockedCompareExchange",
"InterlockedCompareStore", "InterlockedExchange", "InterlockedMax", "InterlockedMin", "InterlockedOr", "InterlockedXor", "isfinite", "isinf", "isnan",
"ldexp", "length", "lerp", "lit", "log", "log10", "log2", "mad", "max", "min", "modf", "msad4", "mul", "noise", "normalize", "pow", "printf",
"Process2DQuadTessFactorsAvg", "Process2DQuadTessFactorsMax", "Process2DQuadTessFactorsMin", "ProcessIsolineTessFactors", "ProcessQuadTessFactorsAvg",
"ProcessQuadTessFactorsMax", "ProcessQuadTessFactorsMin", "ProcessTriTessFactorsAvg", "ProcessTriTessFactorsMax", "ProcessTriTessFactorsMin",
"radians", "rcp", "reflect", "refract", "reversebits", "round", "rsqrt", "saturate", "sign", "sin", "sincos", "sinh", "smoothstep", "sqrt", "step",
"tan", "tanh", "tex1D", "tex1D", "tex1Dbias", "tex1Dgrad", "tex1Dlod", "tex1Dproj", "tex2D", "tex2D", "tex2Dbias", "tex2Dgrad", "tex2Dlod", "tex2Dproj",
"tex3D", "tex3D", "tex3Dbias", "tex3Dgrad", "tex3Dlod", "tex3Dproj", "texCUBE", "texCUBE", "texCUBEbias", "texCUBEgrad", "texCUBElod", "texCUBEproj", "transpose", "trunc"
};
for (auto& k : identifiers)
{
Identifier id;
id.mDeclaration = "Built-in function";
langDef.mIdentifiers.insert(std::make_pair(std::string(k), id));
}
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("//.*", PaletteIndex::Comment));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[ \\t]*#[ \\t]*[a-zA-Z_]+", PaletteIndex::Preprocessor));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("L?\\\"(\\\\.|[^\\\"])*\\\"", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("\\'\\\\?[^\\']\\'", PaletteIndex::CharLiteral));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)([eE][+-]?[0-9]+)?[fF]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?[0-9]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[0-7]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[xX][0-9a-fA-F]+[uU]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[a-zA-Z_][a-zA-Z0-9_]*", PaletteIndex::Identifier));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[\\[\\]\\{\\}\\!\\%\\^\\&\\*\\(\\)\\-\\+\\=\\~\\|\\<\\>\\?\\/\\;\\,\\.]", PaletteIndex::Punctuation));
langDef.mCommentStart = "/*";
langDef.mCommentEnd = "*/";
langDef.mCaseSensitive = true;
langDef.mAutoIndentation = true;
langDef.mName = "HLSL";
inited = true;
}
return langDef;
}
const TextEditor::LanguageDefinition& TextEditor::LanguageDefinition::GLSL()
{
static bool inited = false;
static LanguageDefinition langDef;
if (!inited)
{
static const char* const keywords[] = {
"auto", "break", "case", "char", "const", "continue", "default", "do", "double", "else", "enum", "extern", "float", "for", "goto", "if", "inline", "int", "long", "register", "restrict", "return", "short",
"signed", "sizeof", "static", "struct", "switch", "typedef", "union", "unsigned", "void", "volatile", "while", "_Alignas", "_Alignof", "_Atomic", "_Bool", "_Complex", "_Generic", "_Imaginary",
"_Noreturn", "_Static_assert", "_Thread_local"
};
for (auto& k : keywords)
langDef.mKeywords.insert(k);
static const char* const identifiers[] = {
"abort", "abs", "acos", "asin", "atan", "atexit", "atof", "atoi", "atol", "ceil", "clock", "cosh", "ctime", "div", "exit", "fabs", "floor", "fmod", "getchar", "getenv", "isalnum", "isalpha", "isdigit", "isgraph",
"ispunct", "isspace", "isupper", "kbhit", "log10", "log2", "log", "memcmp", "modf", "pow", "putchar", "putenv", "puts", "rand", "remove", "rename", "sinh", "sqrt", "srand", "strcat", "strcmp", "strerror", "time", "tolower", "toupper"
};
for (auto& k : identifiers)
{
Identifier id;
id.mDeclaration = "Built-in function";
langDef.mIdentifiers.insert(std::make_pair(std::string(k), id));
}
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("//.*", PaletteIndex::Comment));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[ \\t]*#[ \\t]*[a-zA-Z_]+", PaletteIndex::Preprocessor));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("L?\\\"(\\\\.|[^\\\"])*\\\"", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("\\'\\\\?[^\\']\\'", PaletteIndex::CharLiteral));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)([eE][+-]?[0-9]+)?[fF]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?[0-9]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[0-7]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[xX][0-9a-fA-F]+[uU]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[a-zA-Z_][a-zA-Z0-9_]*", PaletteIndex::Identifier));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[\\[\\]\\{\\}\\!\\%\\^\\&\\*\\(\\)\\-\\+\\=\\~\\|\\<\\>\\?\\/\\;\\,\\.]", PaletteIndex::Punctuation));
langDef.mCommentStart = "/*";
langDef.mCommentEnd = "*/";
langDef.mCaseSensitive = true;
langDef.mAutoIndentation = true;
langDef.mName = "GLSL";
inited = true;
}
return langDef;
}
const TextEditor::LanguageDefinition& TextEditor::LanguageDefinition::C()
{
static bool inited = false;
static LanguageDefinition langDef;
if (!inited)
{
static const char* const keywords[] = {
"auto", "break", "case", "char", "const", "continue", "default", "do", "double", "else", "enum", "extern", "float", "for", "goto", "if", "inline", "int", "long", "register", "restrict", "return", "short",
"signed", "sizeof", "static", "struct", "switch", "typedef", "union", "unsigned", "void", "volatile", "while", "_Alignas", "_Alignof", "_Atomic", "_Bool", "_Complex", "_Generic", "_Imaginary",
"_Noreturn", "_Static_assert", "_Thread_local"
};
for (auto& k : keywords)
langDef.mKeywords.insert(k);
static const char* const identifiers[] = {
"abort", "abs", "acos", "asin", "atan", "atexit", "atof", "atoi", "atol", "ceil", "clock", "cosh", "ctime", "div", "exit", "fabs", "floor", "fmod", "getchar", "getenv", "isalnum", "isalpha", "isdigit", "isgraph",
"ispunct", "isspace", "isupper", "kbhit", "log10", "log2", "log", "memcmp", "modf", "pow", "putchar", "putenv", "puts", "rand", "remove", "rename", "sinh", "sqrt", "srand", "strcat", "strcmp", "strerror", "time", "tolower", "toupper"
};
for (auto& k : identifiers)
{
Identifier id;
id.mDeclaration = "Built-in function";
langDef.mIdentifiers.insert(std::make_pair(std::string(k), id));
}
langDef.mTokenize = [](const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end, PaletteIndex & paletteIndex) -> bool
{
paletteIndex = PaletteIndex::Max;
while (in_begin < in_end && isblank(*in_begin))
in_begin++;
if (in_begin == in_end)
{
out_begin = in_end;
out_end = in_end;
paletteIndex = PaletteIndex::Default;
}
else if (TokenizeCStyleComment(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Comment;
else if (TokenizeCStylePreprocessorDirective(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Preprocessor;
else if (TokenizeCStyleString(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::String;
else if (TokenizeCStyleCharacterLiteral(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::CharLiteral;
else if (TokenizeCStyleIdentifier(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Identifier;
else if (TokenizeCStyleNumber(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Number;
else if (TokenizeCStylePunctuation(in_begin, in_end, out_begin, out_end))
paletteIndex = PaletteIndex::Punctuation;
return paletteIndex != PaletteIndex::Max;
};
langDef.mCommentStart = "/*";
langDef.mCommentEnd = "*/";
langDef.mCaseSensitive = true;
langDef.mAutoIndentation = true;
langDef.mName = "C";
inited = true;
}
return langDef;
}
const TextEditor::LanguageDefinition& TextEditor::LanguageDefinition::SQL()
{
static bool inited = false;
static LanguageDefinition langDef;
if (!inited)
{
static const char* const keywords[] = {
"ADD", "EXCEPT", "PERCENT", "ALL", "EXEC", "PLAN", "ALTER", "EXECUTE", "PRECISION", "AND", "EXISTS", "PRIMARY", "ANY", "EXIT", "PRINT", "AS", "FETCH", "PROC", "ASC", "FILE", "PROCEDURE",
"AUTHORIZATION", "FILLFACTOR", "PUBLIC", "BACKUP", "FOR", "RAISERROR", "BEGIN", "FOREIGN", "READ", "BETWEEN", "FREETEXT", "READTEXT", "BREAK", "FREETEXTTABLE", "RECONFIGURE",
"BROWSE", "FROM", "REFERENCES", "BULK", "FULL", "REPLICATION", "BY", "FUNCTION", "RESTORE", "CASCADE", "GOTO", "RESTRICT", "CASE", "GRANT", "RETURN", "CHECK", "GROUP", "REVOKE",
"CHECKPOINT", "HAVING", "RIGHT", "CLOSE", "HOLDLOCK", "ROLLBACK", "CLUSTERED", "IDENTITY", "ROWCOUNT", "COALESCE", "IDENTITY_INSERT", "ROWGUIDCOL", "COLLATE", "IDENTITYCOL", "RULE",
"COLUMN", "IF", "SAVE", "COMMIT", "IN", "SCHEMA", "COMPUTE", "INDEX", "SELECT", "CONSTRAINT", "INNER", "SESSION_USER", "CONTAINS", "INSERT", "SET", "CONTAINSTABLE", "INTERSECT", "SETUSER",
"CONTINUE", "INTO", "SHUTDOWN", "CONVERT", "IS", "SOME", "CREATE", "JOIN", "STATISTICS", "CROSS", "KEY", "SYSTEM_USER", "CURRENT", "KILL", "TABLE", "CURRENT_DATE", "LEFT", "TEXTSIZE",
"CURRENT_TIME", "LIKE", "THEN", "CURRENT_TIMESTAMP", "LINENO", "TO", "CURRENT_USER", "LOAD", "TOP", "CURSOR", "NATIONAL", "TRAN", "DATABASE", "NOCHECK", "TRANSACTION",
"DBCC", "NONCLUSTERED", "TRIGGER", "DEALLOCATE", "NOT", "TRUNCATE", "DECLARE", "NULL", "TSEQUAL", "DEFAULT", "NULLIF", "UNION", "DELETE", "OF", "UNIQUE", "DENY", "OFF", "UPDATE",
"DESC", "OFFSETS", "UPDATETEXT", "DISK", "ON", "USE", "DISTINCT", "OPEN", "USER", "DISTRIBUTED", "OPENDATASOURCE", "VALUES", "DOUBLE", "OPENQUERY", "VARYING","DROP", "OPENROWSET", "VIEW",
"DUMMY", "OPENXML", "WAITFOR", "DUMP", "OPTION", "WHEN", "ELSE", "OR", "WHERE", "END", "ORDER", "WHILE", "ERRLVL", "OUTER", "WITH", "ESCAPE", "OVER", "WRITETEXT"
};
for (auto& k : keywords)
langDef.mKeywords.insert(k);
static const char* const identifiers[] = {
"ABS", "ACOS", "ADD_MONTHS", "ASCII", "ASCIISTR", "ASIN", "ATAN", "ATAN2", "AVG", "BFILENAME", "BIN_TO_NUM", "BITAND", "CARDINALITY", "CASE", "CAST", "CEIL",
"CHARTOROWID", "CHR", "COALESCE", "COMPOSE", "CONCAT", "CONVERT", "CORR", "COS", "COSH", "COUNT", "COVAR_POP", "COVAR_SAMP", "CUME_DIST", "CURRENT_DATE",
"CURRENT_TIMESTAMP", "DBTIMEZONE", "DECODE", "DECOMPOSE", "DENSE_RANK", "DUMP", "EMPTY_BLOB", "EMPTY_CLOB", "EXP", "EXTRACT", "FIRST_VALUE", "FLOOR", "FROM_TZ", "GREATEST",
"GROUP_ID", "HEXTORAW", "INITCAP", "INSTR", "INSTR2", "INSTR4", "INSTRB", "INSTRC", "LAG", "LAST_DAY", "LAST_VALUE", "LEAD", "LEAST", "LENGTH", "LENGTH2", "LENGTH4",
"LENGTHB", "LENGTHC", "LISTAGG", "LN", "LNNVL", "LOCALTIMESTAMP", "LOG", "LOWER", "LPAD", "LTRIM", "MAX", "MEDIAN", "MIN", "MOD", "MONTHS_BETWEEN", "NANVL", "NCHR",
"NEW_TIME", "NEXT_DAY", "NTH_VALUE", "NULLIF", "NUMTODSINTERVAL", "NUMTOYMINTERVAL", "NVL", "NVL2", "POWER", "RANK", "RAWTOHEX", "REGEXP_COUNT", "REGEXP_INSTR",
"REGEXP_REPLACE", "REGEXP_SUBSTR", "REMAINDER", "REPLACE", "ROUND", "ROWNUM", "RPAD", "RTRIM", "SESSIONTIMEZONE", "SIGN", "SIN", "SINH",
"SOUNDEX", "SQRT", "STDDEV", "SUBSTR", "SUM", "SYS_CONTEXT", "SYSDATE", "SYSTIMESTAMP", "TAN", "TANH", "TO_CHAR", "TO_CLOB", "TO_DATE", "TO_DSINTERVAL", "TO_LOB",
"TO_MULTI_BYTE", "TO_NCLOB", "TO_NUMBER", "TO_SINGLE_BYTE", "TO_TIMESTAMP", "TO_TIMESTAMP_TZ", "TO_YMINTERVAL", "TRANSLATE", "TRIM", "TRUNC", "TZ_OFFSET", "UID", "UPPER",
"USER", "USERENV", "VAR_POP", "VAR_SAMP", "VARIANCE", "VSIZE "
};
for (auto& k : identifiers)
{
Identifier id;
id.mDeclaration = "Built-in function";
langDef.mIdentifiers.insert(std::make_pair(std::string(k), id));
}
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("\\-\\-.*", PaletteIndex::Comment));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("L?\\\"(\\\\.|[^\\\"])*\\\"", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("\\\'[^\\\']*\\\'", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)([eE][+-]?[0-9]+)?[fF]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?[0-9]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[0-7]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[xX][0-9a-fA-F]+[uU]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[a-zA-Z_][a-zA-Z0-9_]*", PaletteIndex::Identifier));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[\\[\\]\\{\\}\\!\\%\\^\\&\\*\\(\\)\\-\\+\\=\\~\\|\\<\\>\\?\\/\\;\\,\\.]", PaletteIndex::Punctuation));
langDef.mCommentStart = "/*";
langDef.mCommentEnd = "*/";
langDef.mCaseSensitive = false;
langDef.mAutoIndentation = false;
langDef.mName = "SQL";
inited = true;
}
return langDef;
}
const TextEditor::LanguageDefinition& TextEditor::LanguageDefinition::AngelScript()
{
static bool inited = false;
static LanguageDefinition langDef;
if (!inited)
{
static const char* const keywords[] = {
"and", "abstract", "auto", "bool", "break", "case", "cast", "class", "const", "continue", "default", "do", "double", "else", "enum", "false", "final", "float", "for",
"from", "funcdef", "function", "get", "if", "import", "in", "inout", "int", "interface", "int8", "int16", "int32", "int64", "is", "mixin", "namespace", "not",
"null", "or", "out", "override", "private", "protected", "return", "set", "shared", "super", "switch", "this ", "true", "typedef", "uint", "uint8", "uint16", "uint32",
"uint64", "void", "while", "xor"
};
for (auto& k : keywords)
langDef.mKeywords.insert(k);
static const char* const identifiers[] = {
"cos", "sin", "tab", "acos", "asin", "atan", "atan2", "cosh", "sinh", "tanh", "log", "log10", "pow", "sqrt", "abs", "ceil", "floor", "fraction", "closeTo", "fpFromIEEE", "fpToIEEE",
"complex", "opEquals", "opAddAssign", "opSubAssign", "opMulAssign", "opDivAssign", "opAdd", "opSub", "opMul", "opDiv"
};
for (auto& k : identifiers)
{
Identifier id;
id.mDeclaration = "Built-in function";
langDef.mIdentifiers.insert(std::make_pair(std::string(k), id));
}
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("//.*", PaletteIndex::Comment));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("L?\\\"(\\\\.|[^\\\"])*\\\"", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("\\'\\\\?[^\\']\\'", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)([eE][+-]?[0-9]+)?[fF]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?[0-9]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[0-7]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[xX][0-9a-fA-F]+[uU]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[a-zA-Z_][a-zA-Z0-9_]*", PaletteIndex::Identifier));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[\\[\\]\\{\\}\\!\\%\\^\\&\\*\\(\\)\\-\\+\\=\\~\\|\\<\\>\\?\\/\\;\\,\\.]", PaletteIndex::Punctuation));
langDef.mCommentStart = "/*";
langDef.mCommentEnd = "*/";
langDef.mCaseSensitive = true;
langDef.mAutoIndentation = true;
langDef.mName = "AngelScript";
inited = true;
}
return langDef;
}
const TextEditor::LanguageDefinition& TextEditor::LanguageDefinition::Lua()
{
static bool inited = false;
static LanguageDefinition langDef;
if (!inited)
{
static const char* const keywords[] = {
"and", "break", "do", "", "else", "elseif", "end", "false", "for", "function", "if", "in", "", "local", "nil", "not", "or", "repeat", "return", "then", "true", "until", "while"
};
for (auto& k : keywords)
langDef.mKeywords.insert(k);
static const char* const identifiers[] = {
"assert", "collectgarbage", "dofile", "error", "getmetatable", "ipairs", "loadfile", "load", "loadstring", "next", "pairs", "pcall", "print", "rawequal", "rawlen", "rawget", "rawset",
"select", "setmetatable", "tonumber", "tostring", "type", "xpcall", "_G", "_VERSION","arshift", "band", "bnot", "bor", "bxor", "btest", "extract", "lrotate", "lshift", "replace",
"rrotate", "rshift", "create", "resume", "running", "status", "wrap", "yield", "isyieldable", "debug","getuservalue", "gethook", "getinfo", "getlocal", "getregistry", "getmetatable",
"getupvalue", "upvaluejoin", "upvalueid", "setuservalue", "sethook", "setlocal", "setmetatable", "setupvalue", "traceback", "close", "flush", "input", "lines", "open", "output", "popen",
"read", "tmpfile", "type", "write", "close", "flush", "lines", "read", "seek", "setvbuf", "write", "__gc", "__tostring", "abs", "acos", "asin", "atan", "ceil", "cos", "deg", "exp", "tointeger",
"floor", "fmod", "ult", "log", "max", "min", "modf", "rad", "random", "randomseed", "sin", "sqrt", "string", "tan", "type", "atan2", "cosh", "sinh", "tanh",
"pow", "frexp", "ldexp", "log10", "pi", "huge", "maxinteger", "mininteger", "loadlib", "searchpath", "seeall", "preload", "cpath", "path", "searchers", "loaded", "module", "require", "clock",
"date", "difftime", "execute", "exit", "getenv", "remove", "rename", "setlocale", "time", "tmpname", "byte", "char", "dump", "find", "format", "gmatch", "gsub", "len", "lower", "match", "rep",
"reverse", "sub", "upper", "pack", "packsize", "unpack", "concat", "maxn", "insert", "pack", "unpack", "remove", "move", "sort", "offset", "codepoint", "char", "len", "codes", "charpattern",
"coroutine", "table", "io", "os", "string", "utf8", "bit32", "math", "debug", "package"
};
for (auto& k : identifiers)
{
Identifier id;
id.mDeclaration = "Built-in function";
langDef.mIdentifiers.insert(std::make_pair(std::string(k), id));
}
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("\\-\\-.*", PaletteIndex::Comment));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("L?\\\"(\\\\.|[^\\\"])*\\\"", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("\\\'[^\\\']*\\\'", PaletteIndex::String));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("0[xX][0-9a-fA-F]+[uU]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)([eE][+-]?[0-9]+)?[fF]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[+-]?[0-9]+[Uu]?[lL]?[lL]?", PaletteIndex::Number));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[a-zA-Z_][a-zA-Z0-9_]*", PaletteIndex::Identifier));
langDef.mTokenRegexStrings.push_back(std::make_pair<std::string, PaletteIndex>("[\\[\\]\\{\\}\\!\\%\\^\\&\\*\\(\\)\\-\\+\\=\\~\\|\\<\\>\\?\\/\\;\\,\\.]", PaletteIndex::Punctuation));
langDef.mCommentStart = "\\-\\-\\[\\[";
langDef.mCommentEnd = "\\]\\]";
langDef.mCaseSensitive = true;
langDef.mAutoIndentation = false;
langDef.mName = "Lua";
inited = true;
}
return langDef;
}
}
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