bool FunctionCallTip::updateCalltip(int ch, bool needShown) {
if (!needShown && ch != _start && !isVisible()) //must be already visible
return false;
_curPos = _pEditView->execute(SCI_GETCURRENTPOS);
//recalculate everything
if (!getCursorFunction()) { //cannot display calltip (anymore)
close();
return false;
}
showCalltip();
return true;
}
/* TextEditor::openCalltip
* Opens a calltip for the function name before [pos]. Returns false
* if the word before [pos] was not a function name, true otherwise
*******************************************************************/
bool TextEditor::openCalltip(int pos, int arg, bool dwell)
{
// Don't bother if no language
if (!language)
return false;
// Get start of word before bracket
int start = WordStartPosition(pos - 1, false);
int end = WordEndPosition(pos - 1, true);
// Get word before bracket
string word = GetTextRange(WordStartPosition(start, true), WordEndPosition(start, true));
// Get matching language function (if any)
TLFunction* func = language->getFunction(word);
// Show calltip if it's a function
if (func && func->nArgSets() > 0)
{
call_tip->enableArgSwitch(!dwell && func->nArgSets() > 1);
call_tip->openFunction(func, arg);
showCalltip(dwell ? pos : end + 1);
ct_function = func;
ct_start = pos;
ct_dwell = dwell;
// Highlight arg
call_tip->setCurrentArg(arg);
return true;
}
else
{
ct_function = nullptr;
return false;
}
}
void FunctionCallTip::showPrevOverload() {
if (!isVisible())
return;
_currentOverload = _currentOverload > 0?(_currentOverload-1) : _currentNrOverloads-1;
showCalltip();
}
void FunctionCallTip::showNextOverload() {
if (!isVisible())
return;
_currentOverload = (_currentOverload+1) % _currentNrOverloads;
showCalltip();
}
