void MultiLineEdit::updateScrollBars()
{
QFontMetrics fm(font());
int _maxPixelHeight = fm.lineSpacing() * _maxHeight;
if (_scrollBarsEnabled && document()->size().height() > _maxPixelHeight)
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
else
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
if (!_scrollBarsEnabled || isSingleLine())
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
else
setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
}
void MGuiEditText::editText(MWinEvent * windowEvent)
{
unsigned int sStart;
unsigned int sEnd;
bool selection = getSelectionIds(&sStart, &sEnd);
if(selection)
setCharId(sStart);
// events
if(windowEvent->type == MWIN_EVENT_KEY_DOWN)
{
switch(windowEvent->data[0])
{
case MKEY_UP:
if(! isSingleLine())
upCharId(-1);
setSelection(0, 0);
return;
case MKEY_DOWN:
if(! isSingleLine())
upCharId(1);
setSelection(0, 0);
return;
case MKEY_RIGHT:
addCharId();
setSelection(0, 0);
return;
case MKEY_LEFT:
subCharId();
setSelection(0, 0);
return;
case MKEY_SPACE:
if(selection)
{
m_text.erase(m_text.begin() + sStart, m_text.begin() + sEnd);
setSelection(0, 0);
}
if(! canAddCharacter())
return;
m_text.insert(getCharId(), " ", 1);
addCharId();
autoScaleFromText();
onChange();
return;
case MKEY_TAB:
if(! isSingleLine())
{
if(selection)
{
m_text.erase(m_text.begin() + sStart, m_text.begin() + sEnd);
setSelection(0, 0);
}
if(! canAddCharacter())
return;
m_text.insert(getCharId(), " ", 1);
addCharId();
autoScaleFromText();
onChange();
}
return;
case MKEY_BACKSPACE:
if(selection)
{
m_text.erase(m_text.begin() + sStart, m_text.begin() + sEnd);
setSelection(0, 0);
autoScaleFromText();
onChange();
}
else if(getCharId() > 0)
{
m_text.erase(m_text.begin() + getCharId() - 1);
subCharId();
autoScaleFromText();
onChange();
}
return;
case MKEY_DELETE:
if(getCharId() < m_text.size())
{
if(selection)
{
m_text.erase(m_text.begin() + sStart, m_text.begin() + sEnd);
setSelection(0, 0);
}
else
{
m_text.erase(m_text.begin() + getCharId());
}
autoScaleFromText();
onChange();
}
return;
case MKEY_RETURN:
if(! isSingleLine())
{
if(selection)
{
m_text.erase(m_text.begin() + sStart, m_text.begin() + sEnd);
setSelection(0, 0);
}
if(! canAddCharacter())
return;
m_text.insert(getCharId(), "\n", 1);
addCharId();
autoScaleFromText();
onChange();
}
else
{
setHighLight(false);
autoScaleFromText();
setSelection(0, 0);
sendVariable();
}
return;
}
}
if(windowEvent->type == MWIN_EVENT_CHAR)
{
char character = windowEvent->data[0];
if(character >= 0 && character < 33)
return;
// add character
if(character)
{
if(selection)
{
m_text.erase(m_text.begin() + sStart, m_text.begin() + sEnd);
setSelection(0, 0);
}
if(! canAddCharacter())
return;
m_text.insert(getCharId(), &character, 1);
addCharId();
autoScaleFromText();
onChange();
}
}
}
