tdesktop/Telegram/SourceFiles/passcodewidget.cpp

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "lang.h"
#include "style.h"
#include "localstorage.h"
#include "passcodewidget.h"
#include "window.h"
#include "application.h"
#include "gui/text.h"
PasscodeWidget::PasscodeWidget(QWidget *parent) : QWidget(parent),
_passcode(this, st::passcodeInput),
_submit(this, lang(lng_passcode_submit), st::passcodeSubmit),
_logout(this, lang(lng_passcode_logout)) {
setGeometry(QRect(0, st::titleHeight, App::wnd()->width(), App::wnd()->height() - st::titleHeight));
connect(App::wnd(), SIGNAL(resized(const QSize &)), this, SLOT(onParentResize(const QSize &)));
_passcode.setEchoMode(QLineEdit::Password);
connect(&_submit, SIGNAL(clicked()), this, SLOT(onSubmit()));
connect(&_passcode, SIGNAL(changed()), this, SLOT(onChanged()));
connect(&_passcode, SIGNAL(accepted()), this, SLOT(onSubmit()));
connect(&_logout, SIGNAL(clicked()), App::wnd(), SLOT(onLogout()));
show();
_passcode.setFocus();
}
void PasscodeWidget::onParentResize(const QSize &newSize) {
resize(newSize);
}
void PasscodeWidget::onSubmit() {
if (_passcode.text().isEmpty()) {
_passcode.setFocus();
_passcode.notaBene();
return;
}
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if (!passcodeCanTry()) {
_error = lang(lng_flood_error);
_passcode.setFocus();
_passcode.notaBene();
update();
return;
}
if (App::main()) {
if (Local::checkPasscode(_passcode.text().toUtf8())) {
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cSetPasscodeBadTries(0);
App::wnd()->clearPasscode();
} else {
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cSetPasscodeBadTries(cPasscodeBadTries() + 1);
cSetPasscodeLastTry(getms(true));
onError();
return;
}
} else {
if (Local::readMap(_passcode.text().toUtf8()) != Local::ReadMapPassNeeded) {
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cSetPasscodeBadTries(0);
App::app()->checkMapVersion();
MTP::start();
if (MTP::authedId()) {
App::wnd()->setupMain(true);
} else {
App::wnd()->setupIntro(true);
}
} else {
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cSetPasscodeBadTries(cPasscodeBadTries() + 1);
cSetPasscodeLastTry(getms(true));
onError();
return;
}
}
}
void PasscodeWidget::onError() {
_error = lang(lng_passcode_wrong);
_passcode.selectAll();
_passcode.setFocus();
_passcode.notaBene();
update();
}
void PasscodeWidget::onChanged() {
if (!_error.isEmpty()) {
_error = QString();
update();
}
}
void PasscodeWidget::animShow(const QPixmap &bgAnimCache, bool back) {
_bgAnimCache = bgAnimCache;
anim::stop(this);
showAll();
_animCache = myGrab(this, rect());
a_coord = back ? anim::ivalue(-st::introSlideShift, 0) : anim::ivalue(st::introSlideShift, 0);
a_alpha = anim::fvalue(0, 1);
a_bgCoord = back ? anim::ivalue(0, st::introSlideShift) : anim::ivalue(0, -st::introSlideShift);
a_bgAlpha = anim::fvalue(1, 0);
hideAll();
anim::start(this);
show();
}
bool PasscodeWidget::animStep(float64 ms) {
float64 fullDuration = st::introSlideDelta + st::introSlideDuration, dt = ms / fullDuration;
float64 dt1 = (ms > st::introSlideDuration) ? 1 : (ms / st::introSlideDuration), dt2 = (ms > st::introSlideDelta) ? (ms - st::introSlideDelta) / (st::introSlideDuration) : 0;
bool res = true;
if (dt2 >= 1) {
res = false;
a_bgCoord.finish();
a_bgAlpha.finish();
a_coord.finish();
a_alpha.finish();
_animCache = _bgAnimCache = QPixmap();
showAll();
setInnerFocus();
} else {
a_bgCoord.update(dt1, st::introHideFunc);
a_bgAlpha.update(dt1, st::introAlphaHideFunc);
a_coord.update(dt2, st::introShowFunc);
a_alpha.update(dt2, st::introAlphaShowFunc);
}
update();
return res;
}
void PasscodeWidget::showAll() {
_passcode.show();
_submit.show();
_logout.show();
}
void PasscodeWidget::hideAll() {
_passcode.hide();
_submit.hide();
_logout.hide();
}
void PasscodeWidget::paintEvent(QPaintEvent *e) {
bool trivial = (rect() == e->rect());
setMouseTracking(true);
QPainter p(this);
if (!trivial) {
p.setClipRect(e->rect());
}
if (animating()) {
p.setOpacity(a_bgAlpha.current());
p.drawPixmap(a_bgCoord.current(), 0, _bgAnimCache);
p.setOpacity(a_alpha.current());
p.drawPixmap(a_coord.current(), 0, _animCache);
} else {
p.fillRect(rect(), st::setBG->b);
p.setFont(st::passcodeHeaderFont->f);
p.drawText(QRect(0, _passcode.y() - st::passcodeHeaderHeight, width(), st::passcodeHeaderHeight), lang(lng_passcode_enter), style::al_center);
if (!_error.isEmpty()) {
p.setFont(st::boxFont->f);
p.setPen(st::setErrColor->p);
p.drawText(QRect(0, _passcode.y() + _passcode.height(), width(), st::usernameSkip), _error, style::al_center);
}
}
}
void PasscodeWidget::resizeEvent(QResizeEvent *e) {
_passcode.move((width() - _passcode.width()) / 2, (height() / 3));
_submit.move(_passcode.x(), _passcode.y() + _passcode.height() + st::passcodeSkip);
_logout.move(_passcode.x() + (_passcode.width() - _logout.width()) / 2, _submit.y() + _submit.height() + st::linkFont->ascent);
}
void PasscodeWidget::mousePressEvent(QMouseEvent *e) {
}
void PasscodeWidget::keyPressEvent(QKeyEvent *e) {
}
void PasscodeWidget::setInnerFocus() {
_passcode.setFocus();
}
PasscodeWidget::~PasscodeWidget() {
}