/* TextEditor::onCharAdded
* Called when a character is added to the text
*******************************************************************/
void TextEditor::onCharAdded(wxStyledTextEvent& e)
{
// Update line numbers margin width
string numlines = S_FMT("0%d", GetNumberOfLines());
SetMarginWidth(0, TextWidth(wxSTC_STYLE_LINENUMBER, numlines));
// Auto indent
int currentLine = GetCurrentLine();
if (txed_auto_indent && e.GetKey() == '\n')
{
// Get indentation amount
int lineInd = 0;
if (currentLine > 0)
lineInd = GetLineIndentation(currentLine - 1);
// Do auto-indent if needed
if (lineInd != 0)
{
SetLineIndentation(currentLine, lineInd);
// Skip to end of tabs
while (1)
{
int chr = GetCharAt(GetCurrentPos());
if (chr == '\t' || chr == ' ')
GotoPos(GetCurrentPos()+1);
else
break;
}
}
}
// The following require a language to work
if (language)
{
// Call tip
if (e.GetKey() == '(' && txed_calltips_parenthesis)
{
openCalltip(GetCurrentPos());
}
// End call tip
if (e.GetKey() == ')')
{
CallTipCancel();
}
// Comma, possibly update calltip
if (e.GetKey() == ',' && txed_calltips_parenthesis)
{
//openCalltip(GetCurrentPos());
//if (CallTipActive())
updateCalltip();
}
}
// Continue
e.Skip();
}
/* TextEditor::onMouseDwellStart
* Called when the mouse pointer has 'dwelt' in one position for a
* certain amount of time
*******************************************************************/
void TextEditor::onMouseDwellStart(wxStyledTextEvent& e)
{
if (wxTheApp->IsActive() && HasFocus() && !call_tip->IsShown() && txed_calltips_mouse && e.GetPosition() >= 0)
{
openCalltip(e.GetPosition(), -1, true);
ct_dwell = true;
}
}
/* TextEditor::onMouseDwellStart
* Called when the mouse pointer has 'dwelt' in one position for a
* certain amount of time
*******************************************************************/
void TextEditor::onMouseDwellStart(wxStyledTextEvent& e)
{
if (!CallTipActive() && txed_calltips_mouse)
openCalltip(e.GetPosition(), -1);
}
/* TextEditor::updateCalltip
* Updates the current calltip, or attempts to open one if none is
* currently showing
*******************************************************************/
void TextEditor::updateCalltip()
{
// Don't bother if no language
if (!language)
return;
if (!CallTipActive())
{
// No calltip currently showing, check if we're in a function
int pos = GetCurrentPos() - 1;
while (pos >= 0)
{
// Get character
int chr = GetCharAt(pos);
// If we find a closing bracket, skip to matching brace
if (chr == ')')
{
while (pos >= 0 && chr != '(')
{
pos--;
chr = GetCharAt(pos);
}
pos--;
continue;
}
// If we find an opening bracket, try to open a calltip
if (chr == '(')
{
if (!openCalltip(pos))
return;
else
break;
}
// Go to previous character
pos--;
}
}
if (ct_function)
{
// Calltip currently showing, determine what arg we're at
int pos = ct_start+1;
int arg = 0;
while (pos < GetCurrentPos() && pos < GetTextLength())
{
// Get character
int chr = GetCharAt(pos);
// If it's an opening brace, skip until closing (ie skip a function as an arg)
if (chr == '(')
{
while (chr != ')')
{
// Exit if we get to the current position or the end of the text
if (pos == GetCurrentPos() || pos == GetTextLength()-1)
break;
// Get next character
pos++;
chr = GetCharAt(pos);
}
pos++;
continue;
}
// If it's a comma, increment arg
if (chr == ',')
arg++;
// If it's a closing brace, we're outside the function, so cancel the calltip
if (chr == ')')
{
CallTipCancel();
ct_function = NULL;
return;
}
// Go to next character
pos++;
}
// Update calltip string with the selected arg set and the current arg highlighted
CallTipShow(ct_start, ct_function->generateCallTipString(ct_argset));
point2_t arg_ext = ct_function->getArgTextExtent(arg, ct_argset);
CallTipSetHighlight(arg_ext.x, arg_ext.y);
}
}
/* TextEditor::onMouseDwellStart
* Called when the mouse pointer has 'dwelt' in one position for a
* certain amount of time
*******************************************************************/
void TextEditor::onMouseDwellStart(wxStyledTextEvent& e)
{
if (wxTheApp->IsActive() && HasFocus() && !CallTipActive() && txed_calltips_mouse && e.GetPosition() >= 0)
openCalltip(e.GetPosition(), -1);
}
/* TextEditor::updateCalltip
* Updates the current calltip, or attempts to open one if none is
* currently showing
*******************************************************************/
void TextEditor::updateCalltip()
{
// Don't bother if no language
if (!language)
return;
if (!call_tip->IsShown())
{
// No calltip currently showing, check if we're in a function
int pos = GetCurrentPos() - 1;
while (pos >= 0)
{
// Get character
int chr = GetCharAt(pos);
// If we find a closing bracket, skip to matching brace
if (chr == ')')
{
while (pos >= 0 && chr != '(')
{
pos--;
chr = GetCharAt(pos);
}
pos--;
continue;
}
// If we find an opening bracket, try to open a calltip
if (chr == '(')
{
if (!openCalltip(pos, 0))
return;
else
break;
}
// Go to previous character
pos--;
}
}
if (ct_function)
{
// Hide calltip if we've gone before the start of the function
if (GetCurrentPos() < ct_start)
{
hideCalltip();
ct_function = nullptr;
return;
}
// Calltip currently showing, determine what arg we're at
int pos = ct_start+1;
int arg = 0;
while (pos < GetCurrentPos() && pos < GetTextLength())
{
// Get character
int chr = GetCharAt(pos);
// If it's an opening brace, skip until closing (ie skip a function as an arg)
if (chr == '(')
{
while (chr != ')')
{
// Exit if we get to the current position or the end of the text
if (pos == GetCurrentPos() || pos == GetTextLength()-1)
break;
// Get next character
pos++;
chr = GetCharAt(pos);
}
pos++;
continue;
}
// If it's a comma, increment arg
if (chr == ',')
arg++;
// If it's a closing brace, we're outside the function, so cancel the calltip
if (chr == ')')
{
hideCalltip();
ct_function = nullptr;
return;
}
// Go to next character
pos++;
}
// Update calltip string with the selected arg set and the current arg highlighted
call_tip->setCurrentArg(arg);
}
}
