145 lines
4.6 KiB
C++
145 lines
4.6 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) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "ui/buttons/history_down_button.h"
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#include "styles/style_history.h"
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#include "dialogs/dialogs_layout.h"
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#include "ui/effects/ripple_animation.h"
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namespace Ui {
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HistoryDownButton::HistoryDownButton(QWidget *parent, const style::TwoIconButton &st) : RippleButton(parent, st.ripple)
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, _st(st) {
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resize(_st.width, _st.height);
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setCursor(style::cur_pointer);
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hide();
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}
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QImage HistoryDownButton::prepareRippleMask() const {
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return Ui::RippleAnimation::ellipseMask(QSize(_st.rippleAreaSize, _st.rippleAreaSize));
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}
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QPoint HistoryDownButton::prepareRippleStartPosition() const {
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return mapFromGlobal(QCursor::pos()) - _st.rippleAreaPosition;
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}
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void HistoryDownButton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto ms = getms();
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auto over = isOver();
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auto down = isDown();
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((over || down) ? _st.iconBelowOver : _st.iconBelow).paint(p, _st.iconPosition, width());
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paintRipple(p, _st.rippleAreaPosition.x(), _st.rippleAreaPosition.y(), ms);
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((over || down) ? _st.iconAboveOver : _st.iconAbove).paint(p, _st.iconPosition, width());
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if (_unreadCount > 0) {
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auto unreadString = QString::number(_unreadCount);
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if (unreadString.size() > 4) {
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unreadString = qsl("..") + unreadString.mid(unreadString.size() - 4);
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}
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Dialogs::Layout::UnreadBadgeStyle st;
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st.align = style::al_center;
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st.font = st::historyToDownBadgeFont;
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st.size = st::historyToDownBadgeSize;
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st.sizeId = Dialogs::Layout::UnreadBadgeInHistoryToDown;
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Dialogs::Layout::paintUnreadCount(p, unreadString, width(), 0, st, nullptr);
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}
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}
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void HistoryDownButton::setUnreadCount(int unreadCount) {
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_unreadCount = unreadCount;
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update();
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}
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EmojiButton::EmojiButton(QWidget *parent, const style::IconButton &st) : RippleButton(parent, st.ripple)
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, _st(st)
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, _a_loading(animation(this, &EmojiButton::step_loading)) {
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resize(_st.width, _st.height);
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setCursor(style::cur_pointer);
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}
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void EmojiButton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto ms = getms();
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p.fillRect(e->rect(), st::historyComposeAreaBg);
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paintRipple(p, _st.rippleAreaPosition.x(), _st.rippleAreaPosition.y(), ms);
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auto loading = a_loading.current(ms, _loading ? 1 : 0);
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p.setOpacity(1 - loading);
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auto over = isOver();
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auto icon = &(over ? _st.iconOver : _st.icon);
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icon->paint(p, _st.iconPosition, width());
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p.setOpacity(1.);
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auto pen = (over ? st::historyEmojiCircleFgOver : st::historyEmojiCircleFg)->p;
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pen.setWidth(st::historyEmojiCircleLine);
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pen.setCapStyle(Qt::RoundCap);
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p.setPen(pen);
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p.setBrush(Qt::NoBrush);
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PainterHighQualityEnabler hq(p);
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QRect inner(QPoint((width() - st::historyEmojiCircle.width()) / 2, st::historyEmojiCircleTop), st::historyEmojiCircle);
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if (loading > 0) {
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int32 full = FullArcLength;
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int32 start = qRound(full * float64(ms % st::historyEmojiCirclePeriod) / st::historyEmojiCirclePeriod), part = qRound(loading * full / st::historyEmojiCirclePart);
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p.drawArc(inner, start, full - part);
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} else {
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p.drawEllipse(inner);
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}
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}
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void EmojiButton::setLoading(bool loading) {
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if (_loading != loading) {
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_loading = loading;
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auto from = loading ? 0. : 1., to = loading ? 1. : 0.;
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a_loading.start([this] { update(); }, from, to, st::historyEmojiCircleDuration);
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if (loading) {
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_a_loading.start();
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} else {
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_a_loading.stop();
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}
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}
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}
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void EmojiButton::onStateChanged(State was, StateChangeSource source) {
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RippleButton::onStateChanged(was, source);
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auto wasOver = static_cast<bool>(was & StateFlag::Over);
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if (isOver() != wasOver) {
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update();
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}
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}
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QPoint EmojiButton::prepareRippleStartPosition() const {
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return mapFromGlobal(QCursor::pos()) - _st.rippleAreaPosition;
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}
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QImage EmojiButton::prepareRippleMask() const {
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return RippleAnimation::ellipseMask(QSize(_st.rippleAreaSize, _st.rippleAreaSize));
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}
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} // namespace Ui
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