void
TimeZoneView::_SetSystemTimeZone()
{
/* Set system timezone for all different API levels. How to do this?
* 1) tell locale-roster about new default timezone
* 2) tell kernel about new timezone offset
*/
int32 selection = fZoneList->CurrentSelection();
if (selection < 0)
return;
TimeZoneListItem* item
= static_cast<TimeZoneListItem*>(fZoneList->ItemAt(selection));
if (item == NULL || !item->HasTimeZone())
return;
fCurrentZoneItem = item;
const BTimeZone& timeZone = item->TimeZone();
MutableLocaleRoster::Default()->SetDefaultTimeZone(timeZone);
_kern_set_timezone(timeZone.OffsetFromGMT(), timeZone.ID().String(),
timeZone.ID().Length());
fSetZone->SetEnabled(false);
fLastUpdateMinute = -1;
// just to trigger updating immediately
}
bool
TimeZoneListView::GetToolTipAt(BPoint point, BToolTip** _tip)
{
TimeZoneListItem* item = static_cast<TimeZoneListItem*>(
this->ItemAt(this->IndexOf(point)));
if (item == NULL || !item->HasTimeZone())
return false;
BString nowInTimeZone;
time_t now = time(NULL);
BLocale::Default()->FormatTime(&nowInTimeZone, now, B_SHORT_TIME_FORMAT,
&item->TimeZone());
BString dateInTimeZone;
BLocale::Default()->FormatDate(&dateInTimeZone, now, B_SHORT_DATE_FORMAT,
&item->TimeZone());
BString toolTip = item->Text();
toolTip << '\n' << item->TimeZone().ShortName() << " / "
<< item->TimeZone().ShortDaylightSavingName()
<< B_TRANSLATE("\nNow: ") << nowInTimeZone
<< " (" << dateInTimeZone << ')';
SetToolTip(toolTip.String());
*_tip = ToolTip();
return true;
}
void
TimeZoneView::_UpdatePreview()
{
int32 selection = fZoneList->CurrentSelection();
TimeZoneListItem* item
= selection < 0
? NULL
: (TimeZoneListItem*)fZoneList->ItemAt(selection);
if (item == NULL || !item->HasTimeZone()) {
fPreview->SetText("");
fPreview->SetTime("");
return;
}
BString timeString = _FormatTime(item->TimeZone());
fPreview->SetText(item->Text());
fPreview->SetTime(timeString.String());
fSetZone->SetEnabled((strcmp(fCurrent->Text(), item->Text()) != 0));
}
