tdesktop/Telegram/SourceFiles/history/history_location_manager.h

121 lines
2.4 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
class LocationCoords {
public:
LocationCoords() = default;
explicit LocationCoords(const MTPDgeoPoint &point)
: _lat(point.vlat.v)
, _lon(point.vlong.v)
, _access(point.vaccess_hash.v) {
}
QString latAsString() const {
return asString(_lat);
}
QString lonAsString() const {
return asString(_lon);
}
MTPGeoPoint toMTP() const {
return MTP_geoPoint(
MTP_double(_lon),
MTP_double(_lat),
MTP_long(_access));
}
float64 lat() const {
return _lat;
}
float64 lon() const {
return _lon;
}
uint64 accessHash() const {
return _access;
}
inline size_t hash() const {
#ifndef OS_MAC_OLD
return QtPrivate::QHashCombine().operator()(
std::hash<float64>()(_lat),
_lon);
#else // OS_MAC_OLD
const auto h1 = std::hash<float64>()(_lat);
const auto h2 = std::hash<float64>()(_lon);
return ((h1 << 16) | (h1 >> 16)) ^ h2;
#endif // OS_MAC_OLD
}
private:
static QString asString(float64 value) {
constexpr auto kPrecision = 6;
return QString::number(value, 'f', kPrecision);
}
friend inline bool operator==(const LocationCoords &a, const LocationCoords &b) {
return (a._lat == b._lat) && (a._lon == b._lon);
}
friend inline bool operator<(const LocationCoords &a, const LocationCoords &b) {
return (a._lat < b._lat) || ((a._lat == b._lat) && (a._lon < b._lon));
}
float64 _lat = 0;
float64 _lon = 0;
uint64 _access = 0;
};
namespace std {
template <>
struct hash<LocationCoords> {
size_t operator()(const LocationCoords &value) const {
return value.hash();
}
};
} // namespace std
struct LocationData {
LocationData(const LocationCoords &coords);
LocationCoords coords;
ImagePtr thumb;
void load(Data::FileOrigin origin);
};
class LocationClickHandler : public ClickHandler {
public:
LocationClickHandler(const LocationCoords &coords) : _coords(coords) {
setup();
}
void onClick(ClickContext context) const override;
QString tooltip() const override {
return QString();
}
QString dragText() const override {
return _text;
}
QString copyToClipboardText() const override;
QString copyToClipboardContextItemText() const override;
private:
void setup();
LocationCoords _coords;
QString _text;
};