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https://github.com/telegramdesktop/tdesktop
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0.7.19 version with passcode lock option
This commit is contained in:
John Preston
216
Telegram/SourceFiles/passcodewidget.cpp
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216
Telegram/SourceFiles/passcodewidget.cpp
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/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "lang.h"
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#include "style.h"
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#include "localstorage.h"
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#include "passcodewidget.h"
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#include "window.h"
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#include "application.h"
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#include "gui/text.h"
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class LogOutLink : public ITextLink {
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public:
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void onClick(Qt::MouseButton) const {
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App::wnd()->onLogout();
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}
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};
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PasscodeWidget::PasscodeWidget(QWidget *parent) : QWidget(parent),
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_passcode(this, st::passcodeInput),
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_submit(this, lang(lng_passcode_submit), st::passcodeSubmit),
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_logout(this, lng_passcode_logout(lt_link_start, textcmdStartLink(1), lt_link_end, textcmdStopLink())) {
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setGeometry(QRect(0, st::titleHeight, App::wnd()->width(), App::wnd()->height() - st::titleHeight));
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connect(App::wnd(), SIGNAL(resized(const QSize &)), this, SLOT(onParentResize(const QSize &)));
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_passcode.setEchoMode(QLineEdit::Password);
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connect(&_submit, SIGNAL(clicked()), this, SLOT(onSubmit()));
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_errorTimer.setSingleShot(true);
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connect(&_errorTimer, SIGNAL(timeout()), this, SLOT(onError()));
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_logout.setLink(1, TextLinkPtr(new LogOutLink()));
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connect(&_passcode, SIGNAL(changed()), this, SLOT(onChanged()));
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connect(&_passcode, SIGNAL(accepted()), this, SLOT(onSubmit()));
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show();
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_passcode.setFocus();
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}
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void PasscodeWidget::onParentResize(const QSize &newSize) {
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resize(newSize);
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}
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void PasscodeWidget::onSubmit() {
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if (_passcode.text().isEmpty()) {
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_passcode.setFocus();
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_passcode.notaBene();
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return;
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}
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if (App::main()) {
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if (Local::checkPasscode(_passcode.text().toUtf8())) {
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App::wnd()->clearPasscode();
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} else {
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_error = QString();
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_passcode.setDisabled(true);
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_errorTimer.start(WrongPasscodeTimeout);
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return;
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}
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} else {
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if (Local::readMap(_passcode.text().toUtf8()) != Local::ReadMapPassNeeded) {
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App::app()->checkMapVersion();
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MTP::start();
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if (MTP::authedId()) {
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App::wnd()->setupMain(true);
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} else {
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App::wnd()->setupIntro(true);
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}
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} else {
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_error = QString();
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_passcode.setDisabled(true);
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_errorTimer.start(WrongPasscodeTimeout);
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update();
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return;
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}
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}
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}
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void PasscodeWidget::onError() {
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_error = lang(lng_passcode_wrong);
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_passcode.setDisabled(false);
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_passcode.selectAll();
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_passcode.setFocus();
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_passcode.notaBene();
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update();
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}
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void PasscodeWidget::onChanged() {
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if (!_error.isEmpty()) {
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_error = QString();
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update();
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}
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}
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void PasscodeWidget::animShow(const QPixmap &bgAnimCache, bool back) {
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_bgAnimCache = bgAnimCache;
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anim::stop(this);
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showAll();
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_animCache = myGrab(this, rect());
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a_coord = back ? anim::ivalue(-st::introSlideShift, 0) : anim::ivalue(st::introSlideShift, 0);
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a_alpha = anim::fvalue(0, 1);
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a_bgCoord = back ? anim::ivalue(0, st::introSlideShift) : anim::ivalue(0, -st::introSlideShift);
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a_bgAlpha = anim::fvalue(1, 0);
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hideAll();
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anim::start(this);
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show();
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}
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bool PasscodeWidget::animStep(float64 ms) {
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float64 fullDuration = st::introSlideDelta + st::introSlideDuration, dt = ms / fullDuration;
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float64 dt1 = (ms > st::introSlideDuration) ? 1 : (ms / st::introSlideDuration), dt2 = (ms > st::introSlideDelta) ? (ms - st::introSlideDelta) / (st::introSlideDuration) : 0;
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bool res = true;
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if (dt2 >= 1) {
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res = false;
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a_bgCoord.finish();
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a_bgAlpha.finish();
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a_coord.finish();
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a_alpha.finish();
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_animCache = _bgAnimCache = QPixmap();
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showAll();
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setInnerFocus();
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} else {
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a_bgCoord.update(dt1, st::introHideFunc);
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a_bgAlpha.update(dt1, st::introAlphaHideFunc);
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a_coord.update(dt2, st::introShowFunc);
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a_alpha.update(dt2, st::introAlphaShowFunc);
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}
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update();
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return res;
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}
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void PasscodeWidget::showAll() {
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_passcode.show();
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_submit.show();
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_logout.show();
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}
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void PasscodeWidget::hideAll() {
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_passcode.hide();
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_submit.hide();
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_logout.hide();
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}
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void PasscodeWidget::paintEvent(QPaintEvent *e) {
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bool trivial = (rect() == e->rect());
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setMouseTracking(true);
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QPainter p(this);
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if (!trivial) {
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p.setClipRect(e->rect());
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}
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if (animating()) {
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p.setOpacity(a_bgAlpha.current());
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p.drawPixmap(a_bgCoord.current(), 0, _bgAnimCache);
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p.setOpacity(a_alpha.current());
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p.drawPixmap(a_coord.current(), 0, _animCache);
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} else {
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p.fillRect(rect(), st::setBG->b);
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p.setFont(st::passcodeHeaderFont->f);
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p.drawText(QRect(0, _passcode.y() - st::passcodeHeaderHeight, width(), st::passcodeHeaderHeight), lang(lng_passcode_enter), style::al_center);
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if (!_error.isEmpty()) {
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p.setFont(st::boxFont->f);
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p.setPen(st::setErrColor->p);
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p.drawText(QRect(0, _passcode.y() + _passcode.height(), width(), st::usernameSkip), _error, style::al_center);
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}
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}
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}
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void PasscodeWidget::resizeEvent(QResizeEvent *e) {
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_passcode.move((width() - _passcode.width()) / 2, (height() / 3));
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_submit.move(_passcode.x(), _passcode.y() + _passcode.height() + st::passcodeSkip);
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_logout.move(_passcode.x() + (_passcode.width() - _logout.width()) / 2, _submit.y() + _submit.height() + st::linkFont->ascent);
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}
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void PasscodeWidget::mousePressEvent(QMouseEvent *e) {
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}
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void PasscodeWidget::keyPressEvent(QKeyEvent *e) {
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}
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void PasscodeWidget::setInnerFocus() {
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_passcode.setFocus();
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}
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PasscodeWidget::~PasscodeWidget() {
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}
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