bool CVolumeDial::Enable(bool enable)
{
bool ret = wxPanel::Enable(enable);
drawDial();
return ret;
}
void qmidictlDialStyle::drawComplexControl (
ComplexControl cc, const QStyleOptionComplex *optc,
QPainter *painter, const QWidget *widget) const
{
if (cc == QStyle::CC_Dial) {
const QStyleOptionSlider *option
= qstyleoption_cast<const QStyleOptionSlider *> (optc);
if (option) {
drawDial(option, painter);
return;
}
}
QCommonStyle::drawComplexControl(cc, optc, painter, widget);
}
void CVolumeDial::onMouse(wxMouseEvent& event)
{
if (!event.LeftIsDown())
return;
long diffX = event.GetX() - m_width / 2;
long diffY = m_height / 2 - event.GetY();
int dist = int(::sqrt(double(diffX * diffX + diffY * diffY)) + 0.5);
if (dist > (m_width - 2) / 2) {
if (event.LeftDown())
event.Skip();
return;
}
double angle = 180.0 * ::atan2(double(diffY), double(-diffX)) / M_PI;
if (angle < -90.0)
angle += 450.0;
else
angle += 90.0;
if (angle < 45.0 || angle > 315.0) {
if (event.LeftDown())
event.Skip();
return;
}
angle -= 45.0;
int value = m_min + int((angle / 270.0) * double(m_max - m_min));
if (value != m_value) {
m_value = value;
m_callback->dialMoved(GetId(), m_value);
drawDial();
}
if (event.LeftDown())
event.Skip();
}
CVolumeDial::CVolumeDial(wxWindow* parent, int id, int min, int max, int value, IDialCallback* callback, const wxPoint& pos, const wxSize& size, long style, const wxString& name) :
wxPanel(parent, id, pos, size, style, name),
m_width(size.GetWidth()),
m_height(size.GetHeight()),
m_callback(callback),
m_bitmap(NULL),
m_min(min),
m_max(max),
m_value(value)
{
wxASSERT(m_max > m_min);
wxASSERT(m_value >= m_min && value < m_max);
wxASSERT(m_width == m_height);
wxASSERT(m_callback != NULL);
m_bitmap = new wxBitmap(m_width, m_height);
drawDial();
}
CFreqDial::CFreqDial(wxWindow* parent, int id, IDialCallback* callback, const wxPoint& pos, const wxSize& size, long style, const wxString& name) :
wxPanel(parent, id, pos, size, style, name),
m_menu(NULL),
m_width(size.GetWidth()),
m_height(size.GetHeight()),
m_callback(callback),
m_bitmap(NULL),
m_angle(0.0),
m_mult(9)
{
wxASSERT(m_height == m_width);
wxASSERT(m_callback != NULL);
m_bitmap = new wxBitmap(m_width, m_height);
m_menu = new wxMenu();
m_menu->AppendRadioItem(MENU_1X, _("1x"));
m_menu->AppendRadioItem(MENU_4X, _("4x"));
m_menu->AppendRadioItem(MENU_9X, _("9x"));
m_menu->AppendRadioItem(MENU_16X, _("16x"));
m_menu->AppendRadioItem(MENU_25X, _("25x"));
drawDial();
}
void CFreqDial::onMouse(wxMouseEvent& event)
{
if (!event.LeftIsDown())
return;
long diffX = event.GetX() - m_width / 2;
long diffY = m_height / 2 - event.GetY();
int dist = int(::sqrt(double(diffX * diffX + diffY * diffY)) + 0.5);
if (dist > (m_width - 2) / 2) {
if (event.LeftDown())
event.Skip();
return;
}
double angle = 180.0 * ::atan2(double(diffY), double(-diffX)) / M_PI;
if (angle < -90.0)
angle += 450.0;
else
angle += 90.0;
if (angle != m_angle) {
int value = (angle > m_angle) ? 1 : -1;
m_angle = angle;
m_callback->dialMoved(GetId(), value * m_mult);
drawDial();
}
if (event.LeftDown())
event.Skip();
}
void CVolumeDial::setValue(unsigned int value)
{
m_value = value;
drawDial();
}