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Work around 32-bitness of GetLastInputInfo.

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Fixes #7637.
This commit is contained in:
John Preston 2020-04-14 15:37:48 +04:00
parent 2b5e575b67
commit e1dc15321a
2 changed files with 49 additions and 4 deletions
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51
Telegram/SourceFiles/platform/win/specific_win.cpp
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@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "platform/win/notifications_manager_win.h"
#include "platform/win/windows_app_user_model_id.h"
#include "platform/win/windows_dlls.h"
#include "base/call_delayed.h"
#include "lang/lang_keys.h"
#include "mainwindow.h"
#include "mainwidget.h"
@ -71,6 +72,8 @@ using namespace Platform;
namespace {
constexpr auto kRefreshBadLastUserInputTimeout = 10 * crl::time(1000);
QStringList _initLogs;
bool themeInited = false;
@ -336,9 +339,51 @@ QString SingleInstanceLocalServerName(const QString &hash) {
std::optional<crl::time> LastUserInputTime() {
auto lii = LASTINPUTINFO{ 0 };
lii.cbSize = sizeof(LASTINPUTINFO);
return GetLastInputInfo(&lii)
? std::make_optional(crl::now() + lii.dwTime - GetTickCount())
: std::nullopt;
if (!GetLastInputInfo(&lii)) {
return std::nullopt;
}
const auto now = crl::now();
const auto input = crl::time(lii.dwTime);
static auto LastTrackedInput = input;
static auto LastTrackedWhen = now;
const auto ticks32 = crl::time(GetTickCount());
const auto ticks64 = crl::time(GetTickCount64());
const auto elapsed = std::max(ticks32, ticks64) - input;
const auto good = (std::abs(ticks32 - ticks64) <= crl::time(1000))
&& (elapsed >= 0);
if (good) {
LastTrackedInput = input;
LastTrackedWhen = now;
return (now > elapsed) ? (now - elapsed) : crl::time(0);
}
static auto WaitingDelayed = false;
if (!WaitingDelayed) {
WaitingDelayed = true;
base::call_delayed(kRefreshBadLastUserInputTimeout, [=] {
WaitingDelayed = false;
[[maybe_unused]] const auto cheked = LastUserInputTime();
});
}
constexpr auto OverrunLimit = std::numeric_limits<DWORD>::max();
constexpr auto OverrunThreshold = OverrunLimit / 4;
if (LastTrackedInput == input) {
return LastTrackedWhen;
}
const auto guard = gsl::finally([&] {
LastTrackedInput = input;
LastTrackedWhen = now;
});
if (input > LastTrackedInput) {
const auto add = input - LastTrackedInput;
return std::min(LastTrackedWhen + add, now);
} else if (crl::time(OverrunLimit) + input - LastTrackedInput
< crl::time(OverrunThreshold)) {
const auto add = crl::time(OverrunLimit) + input - LastTrackedInput;
return std::min(LastTrackedWhen + add, now);
}
return LastTrackedWhen;
}
} // namespace Platform

2
Telegram/lib_base

@ -1 +1 @@
Subproject commit eedb8afcf5f1709f3e02db9b06b977bb57aca182
Subproject commit f8f796038cc936948ef223a22ec548aa63f48aeb