100 lines
3.4 KiB
C++
100 lines
3.4 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) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "profile/profile_cover_drop_area.h"
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#include "styles/style_profile.h"
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namespace Profile {
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CoverDropArea::CoverDropArea(QWidget *parent, const QString &title, const QString &subtitle) : TWidget(parent)
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, _title(title)
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, _subtitle(subtitle)
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, _titleWidth(st::profileDropAreaTitleFont->width(_title))
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, _subtitleWidth(st::profileDropAreaSubtitleFont->width(_subtitle)) {
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}
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void CoverDropArea::showAnimated() {
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show();
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_hiding = false;
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setupAnimation();
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}
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void CoverDropArea::hideAnimated(HideFinishCallback &&callback) {
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_hideFinishCallback = std_::move(callback);
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_hiding = true;
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setupAnimation();
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}
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void CoverDropArea::paintEvent(QPaintEvent *e) {
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Painter p(this);
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if (_a_appearance.animating(getms())) {
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p.setOpacity(_a_appearance.current());
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p.drawPixmap(0, 0, _cache);
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return;
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}
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if (!_cache.isNull()) {
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_cache = QPixmap();
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if (_hiding) {
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hide();
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_hideFinishCallback.call(this);
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return;
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}
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}
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p.fillRect(e->rect(), st::profileDropAreaBg);
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if (width() < st::profileDropAreaPadding.left() + st::profileDropAreaPadding.right()) return;
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if (height() < st::profileDropAreaPadding.top() + st::profileDropAreaPadding.bottom()) return;
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auto border = st::profileDropAreaBorderWidth;
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auto &borderFg = st::profileDropAreaBorderFg;
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auto inner = rect().marginsRemoved(st::profileDropAreaPadding);
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p.fillRect(inner.x(), inner.y(), inner.width(), border, borderFg);
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p.fillRect(inner.x(), inner.y() + inner.height() - border, inner.width(), border, borderFg);
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p.fillRect(inner.x(), inner.y() + border, border, inner.height() - 2 * border, borderFg);
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p.fillRect(inner.x() + inner.width() - border, inner.y() + border, border, inner.height() - 2 * border, borderFg);
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int titleLeft = inner.x() + (inner.width() - _titleWidth) / 2;
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int titleTop = inner.y() + st::profileDropAreaTitleTop + st::profileDropAreaTitleFont->ascent;
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p.setFont(st::profileDropAreaTitleFont);
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p.setPen(st::profileDropAreaFg);
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p.drawText(titleLeft, titleTop, _title);
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int subtitleLeft = inner.x() + (inner.width() - _subtitleWidth) / 2;
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int subtitleTop = inner.y() + st::profileDropAreaSubtitleTop + st::profileDropAreaSubtitleFont->ascent;
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p.setFont(st::profileDropAreaSubtitleFont);
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p.setPen(st::profileDropAreaFg);
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p.drawText(subtitleLeft, subtitleTop, _subtitle);
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}
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void CoverDropArea::setupAnimation() {
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if (_cache.isNull()) {
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_cache = myGrab(this);
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}
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auto from = _hiding ? 1. : 0., to = _hiding ? 0. : 1.;
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START_ANIMATION(_a_appearance, func(this, &CoverDropArea::refreshCallback), from, to, st::profileDropAreaDuration, anim::linear);
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}
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} // namespace Profile
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