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Code Activity

Script highlighter has been finished

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This commit is contained in:
Arin Alexander
2017-09-19 19:05:38 +03:00
parent aa66b6a057
commit f4dbddafad
6 changed files with 295 additions and 22 deletions
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135
limereport/scripteditor/lrcodeeditor.cpp
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@@ -24,7 +24,9 @@ CodeEditor::CodeEditor(QWidget *parent)
updateLineNumberAreaWidth(0);
highlightCurrentLine();
(void) new ScriptHighlighter(document());
new ScriptHighlighter(document());
connect(this, SIGNAL(cursorPositionChanged()),
this, SLOT(matchParentheses()));
}
void CodeEditor::setCompleter(QCompleter *value)
@@ -143,6 +145,105 @@ QString CodeEditor::textUnderCursor() const
return tc.selectedText();
}
bool CodeEditor::matchLeftParenthesis(QTextBlock currentBlock, QChar parenthesisType, int i, int numLeftParentheses)
{
TextBlockData *data = static_cast<TextBlockData *>(currentBlock.userData());
QVector<ParenthesisInfo *> infos = data->parentheses();
int docPos = currentBlock.position();
for (; i < infos.size(); ++i) {
ParenthesisInfo *info = infos.at(i);
if (info->character == parenthesisType) {
++numLeftParentheses;
continue;
}
if (info->character == getParenthesisReverceChar(parenthesisType)){
if (numLeftParentheses == 0) {
createParenthesisSelection(docPos + info->position);
return true;
} else
--numLeftParentheses;
}
}
currentBlock = currentBlock.next();
if (currentBlock.isValid())
return matchLeftParenthesis(currentBlock, parenthesisType, 0, numLeftParentheses);
return false;
}
bool CodeEditor::matchRightParenthesis(QTextBlock currentBlock, QChar parenthesisType, int i, int numRightParentheses)
{
TextBlockData *data = static_cast<TextBlockData *>(currentBlock.userData());
QVector<ParenthesisInfo *> parentheses = data->parentheses();
int docPos = currentBlock.position();
for (; i > -1 && parentheses.size() > 0; --i) {
ParenthesisInfo *info = parentheses.at(i);
if (info->character == parenthesisType) {
++numRightParentheses;
continue;
}
if (info->character == getParenthesisReverceChar(parenthesisType)){
if (numRightParentheses == 0) {
createParenthesisSelection(docPos + info->position);
return true;
} else
--numRightParentheses;
}
}
currentBlock = currentBlock.previous();
if (currentBlock.isValid())
return matchRightParenthesis(currentBlock, parenthesisType, 0, numRightParentheses);
return false;
}
void CodeEditor::createParenthesisSelection(int pos)
{
QList<QTextEdit::ExtraSelection> selections = extraSelections();
QTextEdit::ExtraSelection selection;
QTextCharFormat format = selection.format;
format.setBackground(QColor("#619934"));
format.setForeground(QColor("#ffffff"));
selection.format = format;
QTextCursor cursor = textCursor();
cursor.setPosition(pos);
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
selection.cursor = cursor;
selections.append(selection);
setExtraSelections(selections);
}
bool CodeEditor::charIsParenthesis(QChar character, ParenthesisType type)
{
for (int i = 0; i < PARENHEIS_COUNT; ++i){
if (character == parenthesisCharacters[type][i])
return true;
}
return false;
}
QChar CodeEditor::getParenthesisReverceChar(QChar parenthesisChar)
{
for (int i = 0; i < PARENHEIS_COUNT; ++i){
if ( parenthesisCharacters[RightParenthesis][i] == parenthesisChar)
return parenthesisCharacters[LeftParenthesis][i];
if ( parenthesisCharacters[LeftParenthesis][i] == parenthesisChar)
return parenthesisCharacters[RightParenthesis][i];
}
return ' ';
}
void CodeEditor::insertCompletion(const QString &completion)
{
if (m_compleater->widget() != this)
@@ -155,7 +256,7 @@ void CodeEditor::insertCompletion(const QString &completion)
setTextCursor(tc);
}
void CodeEditor::updateLineNumberAreaWidth(int newBlockCount)
void CodeEditor::updateLineNumberAreaWidth(int /*newBlockCount*/)
{
setViewportMargins(lineNumberAreaWidth(), 0, 0, 0);
}
@@ -167,7 +268,7 @@ void CodeEditor::highlightCurrentLine()
if (!isReadOnly()) {
QTextEdit::ExtraSelection selection;
QColor lineColor = QColor(QPalette().background().color()).darker(160);
QColor lineColor = QColor(QPalette().background().color()).darker(100);
selection.format.setBackground(lineColor);
selection.format.setProperty(QTextFormat::FullWidthSelection, true);
@@ -190,4 +291,32 @@ void CodeEditor::updateLineNumberArea(const QRect& rect, int dy)
updateLineNumberAreaWidth(0);
}
void CodeEditor::matchParentheses()
{
QList<QTextEdit::ExtraSelection> selections;
setExtraSelections(selections);
TextBlockData *data = static_cast<TextBlockData *>(textCursor().block().userData());
if (data) {
QVector<ParenthesisInfo *> infos = data->parentheses();
int pos = textCursor().block().position();
for (int i = 0; i < infos.size(); ++i) {
ParenthesisInfo *info = infos.at(i);
int curPos = textCursor().position() - textCursor().block().position();
if ( (info->position == (curPos - 1)) && charIsParenthesis(info->character, LeftParenthesis))
{
if (matchLeftParenthesis(textCursor().block(), info->character, i + 1, 0))
createParenthesisSelection(pos + info->position);
} else if ( (info->position == (curPos - 1)) && charIsParenthesis(info->character, RightParenthesis)) {
if (matchRightParenthesis(textCursor().block(), info->character, i - 1, 0))
createParenthesisSelection(pos + info->position);
}
}
}
}
} //namespace LimeReport