bool
VegaParametersWidget::RequestAll()
{
PopupOperationEnvironment env;
/* long timeout for first response */
unsigned timeout_ms = 3000;
/* the first response that we're still waiting for */
const auto end = parameters.end();
auto start = parameters.begin();
for (auto i = parameters.begin(); i != end; ++i) {
/* send up to 4 requests at a time */
if (std::distance(start, i) >= 4) {
/* queue is long enough: wait for one response */
WaitForSetting(device, start->name, timeout_ms);
/* reduce timeout for follow-up responses */
timeout_ms = 1000;
++start;
}
if (!SettingExists(device, i->name) &&
!device.RequestSetting(i->name, env))
return false;
}
/* wait for the remaining responses */
for (auto i = start; i != end; ++i)
WaitForSetting(device, i->name, 500);
return true;
}
PSRETURN IGUIObject::SetSetting(const CStr& Setting, const CStrW& Value, const bool& SkipMessage)
{
if (!SettingExists(Setting))
return PSRETURN_GUI_InvalidSetting;
// Get setting
SGUISetting set = m_Settings[Setting];
#define TYPE(type) \
else if (set.m_Type == GUIST_##type) \
{ \
type _Value; \
if (!GUI<type>::ParseString(Value, _Value)) \
return PSRETURN_GUI_UnableToParse; \
GUI<type>::SetSetting(this, Setting, _Value, SkipMessage); \
}
if (0)
;
// else...
#include "GUItypes.h"
#undef TYPE
else
{
// Why does it always fail?
//return PS_FAIL;
return LogInvalidSettings(Setting);
}
return PSRETURN_OK;
}
/**
* Wait for a setting to be received from the Vega.
*/
static bool
WaitForSetting(VegaDevice &device, const char *name, unsigned timeout_ms)
{
for (unsigned i = 0; i < timeout_ms / 100; ++i) {
if (SettingExists(device, name))
return true;
Sleep(100);
}
return false;
}
PSRETURN IGUIObject::GetSettingType(const CStr& Setting, EGUISettingType& Type) const
{
if (!SettingExists(Setting))
return LogInvalidSettings(Setting);
if (m_Settings.find(Setting) == m_Settings.end())
return LogInvalidSettings(Setting);
Type = m_Settings.find(Setting)->second.m_Type;
return PSRETURN_OK;
}