72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
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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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "profile/profile_back_button.h"
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#include "window/top_bar_widget.h"
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#include "styles/style_widgets.h"
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#include "styles/style_window.h"
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#include "styles/style_profile.h"
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namespace Profile {
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BackButton::BackButton(QWidget *parent, const QString &text) : Ui::AbstractButton(parent)
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, _text(text.toUpper()) {
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setCursor(style::cur_pointer);
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subscribe(Adaptive::Changed(), [this] { updateAdaptiveLayout(); });
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updateAdaptiveLayout();
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}
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int BackButton::resizeGetHeight(int newWidth) {
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return st::profileTopBarHeight;
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}
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void BackButton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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p.fillRect(e->rect(), st::profileBg);
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st::topBarBack.paint(p, (st::topBarArrowPadding.left() - st::topBarBack.width()) / 2, (st::topBarHeight - st::topBarBack.height()) / 2, width());
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p.setFont(st::topBarButton.font);
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p.setPen(st::topBarButton.textFg);
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p.drawTextLeft(st::topBarArrowPadding.left(), st::topBarButton.padding.top() + st::topBarButton.textTop, width(), _text);
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Window::TopBarWidget::paintUnreadCounter(p, width());
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}
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void BackButton::onStateChanged(State was, StateChangeSource source) {
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if (isDown() && !(was & StateFlag::Down)) {
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emit clicked();
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}
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}
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void BackButton::updateAdaptiveLayout() {
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if (!Adaptive::OneColumn()) {
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unsubscribe(base::take(_unreadCounterSubscription));
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} else if (!_unreadCounterSubscription) {
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_unreadCounterSubscription = subscribe(Global::RefUnreadCounterUpdate(), [this] {
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rtlupdate(0, 0, st::titleUnreadCounterRight, st::titleUnreadCounterTop);
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});
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}
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}
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} // namespace Profile
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