void SonicPiScintilla::toggleComment() {
beginUndoAction();
int linenum, cursor;
getCursorPosition(&linenum, &cursor);
//select the whole line
setSelection(linenum, 0, linenum, cursor+1);
QString selection = selectedText();
// make sure we don't comment empty lines
if (selection.length() > 0) {
// if it's already commented, uncomment
if (selection[0] == '#') {
selection.remove(0, 1);
replaceSelectedText(selection);
if (cursor > 0) {
setCursorPosition(linenum, cursor - 1);
} else {
setCursorPosition(linenum, cursor);
}
} else {
selection.prepend('#');
replaceSelectedText(selection);
setCursorPosition(linenum, cursor + 1);
}
}
deselect();
endUndoAction();
}
void SonicPiScintilla::replaceBuffer(QString content, int line, int index, int first_line) {
beginUndoAction();
insert(" ");
SendScintilla(QsciCommand::Delete);
selectAll();
replaceSelectedText(content);
setCursorPosition(line, index);
setFirstVisibleLine(first_line);
endUndoAction();
}
void SonicPiScintilla::moveLineOrSelection(int numLines) {
beginUndoAction();
int linenum, cursor, origLinenum, origCursor;
getCursorPosition(&linenum, &cursor);
origLinenum = linenum;
origCursor = cursor;
bool hadSelectedText = hasSelectedText();
if(!hadSelectedText) {
setSelection(linenum, 0, linenum + 1, 0);
}
int lineFrom, indexFrom, lineTo, indexTo, lineOffset;
getSelection(&lineFrom, &indexFrom, &lineTo, &indexTo);
lineOffset = lineTo - origLinenum;
linenum = lineFrom;
QString selection = selectedText();
if(selection[selection.length()-1] != '\n') {
selection = selection + "\n";
lineTo += 1;
lineOffset += 1;
indexTo = 0;
replaceSelectedText("");
setCursorPosition(linenum, 0);
SendScintilla(SCI_DELETEBACK);
} else {
replaceSelectedText("");
}
setCursorPosition(linenum, 0);
moveLines(numLines);
getCursorPosition(&linenum, &cursor);
setCursorPosition(linenum, 0);
insert(selection);
setCursorPosition(linenum + lineOffset, origCursor);
int diffLine = lineTo - lineFrom;
int diffIndex = indexTo - indexFrom;
setSelection(linenum + diffLine, diffIndex, linenum, 0);
endUndoAction();
}
void pEditor::convertTabs()
{
// get original text
QString originalText = text();
// all modifications must believe as only one action
beginUndoAction();
// get indent width
const int indentWidth = indentationWidth() != 0 ? indentationWidth() : tabWidth();
// iterate each line
for ( int i = 0; i < lines(); i++ )
{
// remember if last line was troncate
static bool lastLineWasTroncate = false;
// get current line indent width
int lineIndent = indentation( i );
// check if need troncate
int t = lineIndent /indentWidth;
int r = lineIndent %indentWidth;
if ( r != 0 && r != indentWidth )
{
r += indentWidth -r;
lineIndent = ( t *indentWidth) +r;
lastLineWasTroncate = true;
}
else if ( lastLineWasTroncate && lineIndent != 0 )
{
lastLineWasTroncate = indentation( i +1 ) == lineIndent;
lineIndent += indentWidth;
}
// remove indentation
setIndentation( i, 0 );
// restore it with possible troncate indentation
setIndentation( i, lineIndent );
}
// end global undo action
endUndoAction();
// compare original and newer text
if ( originalText == text() )
{
// clear undo buffer
SendScintilla( SCI_EMPTYUNDOBUFFER );
// set unmodified
setModified( false );
}
}
void DocumentEditor::toggleComment(bool lineCommentPrefered_) {
QsciLexer* l = lexer();
if(l == 0)
return;
QString comment = l->commentLine();
QStringList commentBlock = l->commentBlock();
if(comment.isEmpty() && commentBlock.isEmpty()){
qDebug() << "Toggle comment is not supported for " << l->language();
return;
}
if (!hasSelectedText()) {
//if line is empty, skip it
int line = getCurrentLine();
if (isLineEmpty(line))
return;
QString selText = text(line);
selText.remove("\n");
selText.remove("\r");
QString selTextTrimmed = selText.trimmed();
int pos_start = SendScintilla(SCI_POSITIONFROMLINE, line);
int pos_end = SendScintilla(SCI_GETLINEENDPOSITION, line);
// check for block comments on a line
if(commentBlock.size() >= 2){
QString blockStart = commentBlock.first();
QString blockEnd = commentBlock.last();
if (selTextTrimmed.startsWith(blockStart) && selTextTrimmed.endsWith(blockEnd)) {
beginUndoAction();
int idx1 = selText.indexOf(blockStart);
selText.remove(idx1, blockEnd.size());
int idx2 = selText.lastIndexOf(blockEnd);
selText.remove(idx2, blockEnd.size());
SendScintilla(SCI_SETTARGETSTART, pos_start);
SendScintilla(SCI_SETTARGETEND, pos_end);
SendScintilla(SCI_REPLACETARGET, -1, selText.toUtf8().data());
endUndoAction();
return;
}
}
// check for single comments
if (!comment.isEmpty()) {
if (selTextTrimmed.startsWith(comment)) {
// remove comment
int idx = selText.indexOf(comment);
selText = selText.remove(idx, comment.size());
} else {
// set comment
selText = selText.prepend(comment);
}
SendScintilla(SCI_SETTARGETSTART, pos_start);
SendScintilla(SCI_SETTARGETEND, pos_end);
SendScintilla(SCI_REPLACETARGET, -1, selText.toUtf8().data());
return;
}
}else{
// comment out the selection
QString selText = selectedText();
QString selTextTrimmed = selText.trimmed();
if (selTextTrimmed.isEmpty())
return;
int lineFrom, lineTo, indexFrom, indexTo;
getSelection(&lineFrom, &indexFrom, &lineTo, &indexTo);
int pos_start = positionFromLineIndex(lineFrom, indexFrom);
int pos_end = positionFromLineIndex(lineTo, indexTo);
// check if it is double commented block - to do before single check!
if(commentBlock.size() >= 2){
QString blockStart = commentBlock.first();
QString blockEnd = commentBlock.last();
// comment exists? remove?
if (selTextTrimmed.startsWith(blockStart) && selTextTrimmed.endsWith(blockEnd)) {
beginUndoAction();
int idx1 = selText.indexOf(blockStart);
selText.remove(idx1, blockStart.size());
int idx2 = selText.lastIndexOf(blockEnd);
selText.remove(idx2, blockEnd.size());
SendScintilla(SCI_TARGETFROMSELECTION);
SendScintilla(SCI_REPLACETARGET, -1, selText.toUtf8().data());
SendScintilla(SCI_SETSEL, SendScintilla(SCI_GETTARGETSTART), SendScintilla(SCI_GETTARGETEND));
endUndoAction();
return;
}
}
// check if this block can be single commented
if (!comment.isEmpty() && lineCommentPrefered_) {
bool empty_start = false, empty_end = false;
if (indexFrom == 0)
empty_start = true;
else
empty_start = getTextRange(positionFromLineIndex(lineFrom, 0), pos_start).trimmed().isEmpty();
if (indexTo == 0)
empty_end = true;
else
empty_end = getTextRange(pos_end, positionFromLineIndex(lineTo+1, 0)).trimmed().isEmpty();
if (empty_start && empty_end) {
beginUndoAction();
// corrections
if (indexTo == 0)
lineTo--;
if (isLineEmpty(lineFrom)) {
lineFrom++; indexFrom = 0;
}
// a workaround: move cursor to the next line to replace EOL as well
setSelection(lineFrom, 0, lineTo+1, 0);
QStringList sl;
for (int i = lineFrom; i <= lineTo; i++)
sl += text(i);
bool comm = false;
for (int i = 0; i < sl.count(); i++)
if (!sl.at(i).trimmed().startsWith(comment)) {
comm = true;
break;
}
for (int i = 0; i < sl.count(); i++) {
if (comm)
sl[i] = sl[i].prepend(comment);
else {
int idx = sl.at(i).indexOf(comment);
sl[i] = sl[i].remove(idx, comment.size());
}
}
SendScintilla(SCI_TARGETFROMSELECTION);
SendScintilla(SCI_REPLACETARGET, -1, sl.join("").toUtf8().data());
SendScintilla(SCI_SETSEL, SendScintilla(SCI_GETTARGETSTART), SendScintilla(SCI_GETTARGETEND));
endUndoAction();
return;
}
}
// else, set double comment
if(commentBlock.size() >= 2){
QString blockStart = commentBlock.first();
QString blockEnd = commentBlock.last();
beginUndoAction();
// last is first
SendScintilla(SCI_INSERTTEXT, pos_end, blockEnd.toUtf8().data());
SendScintilla(SCI_INSERTTEXT, pos_start, blockStart.toUtf8().data());
// select everything
if(lineFrom == lineTo)
setSelection(lineFrom, indexFrom, lineTo, indexTo + blockStart.size() + blockEnd.size());
else
setSelection(lineFrom, indexFrom, lineTo, indexTo + blockEnd.size());
endUndoAction();
return;
}
}
}
