void
InputEvents::sub_ScaleZoom(int vswitch)
{
const GlueMapWindow *map_window = CommonInterface::main_window.ActivateMap();
if (map_window == NULL)
return;
const MapWindowProjection &projection =
map_window->VisibleProjection();
fixed value = projection.GetMapScale();
if (projection.HaveScaleList()) {
value = projection.StepMapScale(value, -vswitch);
} else {
if (vswitch == 1)
// zoom in a little
value /= fixed_sqrt_two;
else if (vswitch == -1)
// zoom out a little
value *= fixed_sqrt_two;
else if (vswitch == 2)
// zoom in a lot
value /= 2;
else if (vswitch == -2)
// zoom out a lot
value *= 2;
}
sub_SetZoom(value);
}
// eventAutoZoom - Turn on|off|toggle AutoZoom
// misc:
// auto on - Turn on if not already
// auto off - Turn off if not already
// auto toggle - Toggle current full screen status
// auto show - Shows autozoom status
// + - Zoom in
// ++ - Zoom in near
// - - Zoom out
// -- - Zoom out far
// n.n - Zoom to a set scale
// show - Show current zoom scale
void
InputEvents::eventZoom(const TCHAR* misc)
{
// JMW pass through to handler in MapWindow
// here:
// -1 means toggle
// 0 means off
// 1 means on
MapSettings &settings_map = CommonInterface::SetMapSettings();
if (StringIsEqual(misc, _T("auto toggle")))
sub_AutoZoom(-1);
else if (StringIsEqual(misc, _T("auto on")))
sub_AutoZoom(1);
else if (StringIsEqual(misc, _T("auto off")))
sub_AutoZoom(0);
else if (StringIsEqual(misc, _T("auto show"))) {
if (settings_map.auto_zoom_enabled)
Message::AddMessage(_("Auto. zoom on"));
else
Message::AddMessage(_("Auto. zoom off"));
} else if (StringIsEqual(misc, _T("slowout")))
sub_ScaleZoom(-1);
else if (StringIsEqual(misc, _T("slowin")))
sub_ScaleZoom(1);
else if (StringIsEqual(misc, _T("out")))
sub_ScaleZoom(-1);
else if (StringIsEqual(misc, _T("in")))
sub_ScaleZoom(1);
else if (StringIsEqual(misc, _T("-")))
sub_ScaleZoom(-1);
else if (StringIsEqual(misc, _T("+")))
sub_ScaleZoom(1);
else if (StringIsEqual(misc, _T("--")))
sub_ScaleZoom(-2);
else if (StringIsEqual(misc, _T("++")))
sub_ScaleZoom(2);
else if (StringIsEqual(misc, _T("circlezoom toggle"))) {
settings_map.circle_zoom_enabled = !settings_map.circle_zoom_enabled;
} else if (StringIsEqual(misc, _T("circlezoom on"))) {
settings_map.circle_zoom_enabled = true;
} else if (StringIsEqual(misc, _T("circlezoom off"))) {
settings_map.circle_zoom_enabled = false;
} else if (StringIsEqual(misc, _T("circlezoom show"))) {
if (settings_map.circle_zoom_enabled)
Message::AddMessage(_("Circling zoom on"));
else
Message::AddMessage(_("Circling zoom off"));
} else {
TCHAR *endptr;
double zoom = _tcstod(misc, &endptr);
if (endptr == misc)
return;
sub_SetZoom(Units::ToSysDistance(fixed(zoom)));
}
XCSoarInterface::SendMapSettings(true);
}
void
InputEvents::sub_ScaleZoom(int vswitch)
{
const GlueMapWindow *map_window = PageActions::ShowMap();
if (map_window == NULL)
return;
const MapWindowProjection &projection =
map_window->VisibleProjection();
if (!projection.IsValid())
return;
auto value = projection.GetMapScale();
if (projection.HaveScaleList()) {
value = projection.StepMapScale(value, -vswitch);
} else {
if (vswitch == 1)
// zoom in a little
value /= M_SQRT2;
else if (vswitch == -1)
// zoom out a little
value *= M_SQRT2;
else if (vswitch == 2)
// zoom in a lot
value /= 2;
else if (vswitch == -2)
// zoom out a lot
value *= 2;
}
sub_SetZoom(value);
}
