479 lines
15 KiB
C++
479 lines
15 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 "ui/widgets/checkbox.h"
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#include "lang/lang_keys.h"
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#include "ui/effects/ripple_animation.h"
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namespace Ui {
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namespace {
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TextParseOptions _checkboxOptions = {
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TextParseMultiline, // flags
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0, // maxw
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0, // maxh
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Qt::LayoutDirectionAuto, // dir
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};
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} // namespace
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AbstractCheckView::AbstractCheckView(int duration, bool checked, base::lambda<void()> updateCallback)
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: _duration(duration)
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, _checked(checked)
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, _updateCallback(std::move(updateCallback)) {
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}
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void AbstractCheckView::setCheckedFast(bool checked) {
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_checked = checked;
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finishAnimation();
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if (_updateCallback) {
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_updateCallback();
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}
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}
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void AbstractCheckView::setUpdateCallback(base::lambda<void()> updateCallback) {
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_updateCallback = std::move(updateCallback);
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if (_toggleAnimation.animating()) {
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_toggleAnimation.setUpdateCallback(_updateCallback);
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}
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}
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void AbstractCheckView::setCheckedAnimated(bool checked) {
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if (_checked != checked) {
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_checked = checked;
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_toggleAnimation.start(_updateCallback, _checked ? 0. : 1., _checked ? 1. : 0., _duration);
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}
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}
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void AbstractCheckView::finishAnimation() {
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_toggleAnimation.finish();
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}
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float64 AbstractCheckView::currentAnimationValue(TimeMs ms) {
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return ms ? _toggleAnimation.current(ms, _checked ? 1. : 0.) : _toggleAnimation.current(_checked ? 1. : 0.);
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}
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ToggleView::ToggleView(const style::Toggle &st, bool checked, base::lambda<void()> updateCallback) : AbstractCheckView(st.duration, checked, std::move(updateCallback))
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, _st(&st) {
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}
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QSize ToggleView::getSize() const {
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return QSize(2 * _st->border + _st->diameter + _st->width, 2 * _st->border + _st->diameter);
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}
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void ToggleView::setStyle(const style::Toggle &st) {
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_st = &st;
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}
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void ToggleView::paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) {
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left += _st->border;
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top += _st->border;
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PainterHighQualityEnabler hq(p);
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auto toggled = currentAnimationValue(ms);
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auto fullWidth = _st->diameter + _st->width;
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auto innerDiameter = _st->diameter - 2 * _st->shift;
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auto innerRadius = float64(innerDiameter) / 2.;
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auto toggleLeft = left + anim::interpolate(0, fullWidth - _st->diameter, toggled);
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auto bgRect = rtlrect(left + _st->shift, top + _st->shift, fullWidth - 2 * _st->shift, innerDiameter, outerWidth);
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auto fgRect = rtlrect(toggleLeft, top, _st->diameter, _st->diameter, outerWidth);
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auto fgBrush = anim::brush(_st->untoggledFg, _st->toggledFg, toggled);
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p.setPen(Qt::NoPen);
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p.setBrush(fgBrush);
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p.drawRoundedRect(bgRect, innerRadius, innerRadius);
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auto pen = anim::pen(_st->untoggledFg, _st->toggledFg, toggled);
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pen.setWidth(_st->border);
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p.setPen(pen);
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p.setBrush(anim::brush(_st->untoggledBg, _st->toggledBg, toggled));
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p.drawEllipse(fgRect);
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if (_st->xsize > 0) {
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paintXV(p, toggleLeft, top, outerWidth, toggled, fgBrush);
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}
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}
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void ToggleView::paintXV(Painter &p, int left, int top, int outerWidth, float64 toggled, const QBrush &brush) {
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Assert(_st->vsize > 0);
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Assert(_st->stroke > 0);
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static const auto sqrt2 = sqrt(2.);
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auto stroke = (0. + _st->stroke) / sqrt2;
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if (toggled < 1) {
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// Just X or X->V.
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auto xSize = 0. + _st->xsize;
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auto xLeft = left + (_st->diameter - xSize) / 2.;
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auto xTop = top + (_st->diameter - xSize) / 2.;
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QPointF pathX[] = {
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{ xLeft, xTop + stroke },
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{ xLeft + stroke, xTop },
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{ xLeft + (xSize / 2.), xTop + (xSize / 2.) - stroke },
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{ xLeft + xSize - stroke, xTop },
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{ xLeft + xSize, xTop + stroke },
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{ xLeft + (xSize / 2.) + stroke, xTop + (xSize / 2.) },
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{ xLeft + xSize, xTop + xSize - stroke },
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{ xLeft + xSize - stroke, xTop + xSize },
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{ xLeft + (xSize / 2.), xTop + (xSize / 2.) + stroke },
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{ xLeft + stroke, xTop + xSize },
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{ xLeft, xTop + xSize - stroke },
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{ xLeft + (xSize / 2.) - stroke, xTop + (xSize / 2.) },
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};
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for (auto &point : pathX) {
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point = rtlpoint(point, outerWidth);
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}
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if (toggled > 0) {
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// X->V.
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auto vSize = 0. + _st->vsize;
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auto fSize = (xSize + vSize - 2. * stroke);
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auto vLeft = left + (_st->diameter - fSize) / 2.;
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auto vTop = 0. + xTop + _st->vshift;
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QPointF pathV[] = {
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{ vLeft, vTop + xSize - vSize + stroke },
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{ vLeft + stroke, vTop + xSize - vSize },
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{ vLeft + vSize - stroke, vTop + xSize - 2 * stroke },
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{ vLeft + fSize - stroke, vTop },
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{ vLeft + fSize, vTop + stroke },
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{ vLeft + vSize, vTop + xSize - stroke },
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{ vLeft + vSize, vTop + xSize - stroke },
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{ vLeft + vSize - stroke, vTop + xSize },
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{ vLeft + vSize - stroke, vTop + xSize },
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{ vLeft + vSize - stroke, vTop + xSize },
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{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
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{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
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};
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for (auto &point : pathV) {
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point = rtlpoint(point, outerWidth);
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}
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p.fillPath(anim::interpolate(pathX, pathV, toggled), brush);
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} else {
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// Just X.
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p.fillPath(anim::path(pathX), brush);
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}
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} else {
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// Just V.
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auto xSize = 0. + _st->xsize;
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auto xTop = top + (_st->diameter - xSize) / 2.;
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auto vSize = 0. + _st->vsize;
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auto fSize = (xSize + vSize - 2. * stroke);
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auto vLeft = left + (_st->diameter - (_st->xsize + _st->vsize - 2. * stroke)) / 2.;
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auto vTop = 0. + xTop + _st->vshift;
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QPointF pathV[] = {
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{ vLeft, vTop + xSize - vSize + stroke },
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{ vLeft + stroke, vTop + xSize - vSize },
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{ vLeft + vSize - stroke, vTop + xSize - 2 * stroke },
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{ vLeft + fSize - stroke, vTop },
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{ vLeft + fSize, vTop + stroke },
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{ vLeft + vSize, vTop + xSize - stroke },
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{ vLeft + vSize, vTop + xSize - stroke },
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{ vLeft + vSize - stroke, vTop + xSize },
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{ vLeft + vSize - stroke, vTop + xSize },
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{ vLeft + vSize - stroke, vTop + xSize },
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{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
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{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
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};
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p.fillPath(anim::path(pathV), brush);
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}
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}
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QSize ToggleView::rippleSize() const {
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return getSize() + 2 * QSize(_st->rippleAreaPadding, _st->rippleAreaPadding);
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}
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QImage ToggleView::prepareRippleMask() const {
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auto size = rippleSize();
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return RippleAnimation::roundRectMask(size, size.height() / 2);
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}
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bool ToggleView::checkRippleStartPosition(QPoint position) const {
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return QRect(QPoint(0, 0), rippleSize()).contains(position);
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}
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CheckView::CheckView(const style::Check &st, bool checked, base::lambda<void()> updateCallback) : AbstractCheckView(st.duration, checked, std::move(updateCallback))
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, _st(&st) {
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}
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QSize CheckView::getSize() const {
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return QSize(_st->diameter, _st->diameter);
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}
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void CheckView::setStyle(const style::Check &st) {
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_st = &st;
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}
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void CheckView::paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) {
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auto toggled = currentAnimationValue(ms);
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auto pen = anim::pen(_st->untoggledFg, _st->toggledFg, toggled);
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pen.setWidth(_st->thickness);
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p.setPen(pen);
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p.setBrush(anim::brush(_st->bg, anim::color(_st->untoggledFg, _st->toggledFg, toggled), toggled));
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{
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PainterHighQualityEnabler hq(p);
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p.drawRoundedRect(rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(_st->thickness / 2., _st->thickness / 2., _st->thickness / 2., _st->thickness / 2.)), outerWidth), st::buttonRadius - (_st->thickness / 2.), st::buttonRadius - (_st->thickness / 2.));
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}
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if (toggled > 0) {
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_st->icon.paint(p, QPoint(left, top), outerWidth);
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}
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}
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QSize CheckView::rippleSize() const {
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return getSize() + 2 * QSize(_st->rippleAreaPadding, _st->rippleAreaPadding);
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}
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QImage CheckView::prepareRippleMask() const {
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return RippleAnimation::ellipseMask(rippleSize());
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}
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bool CheckView::checkRippleStartPosition(QPoint position) const {
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return QRect(QPoint(0, 0), rippleSize()).contains(position);
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}
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RadioView::RadioView(const style::Radio &st, bool checked, base::lambda<void()> updateCallback) : AbstractCheckView(st.duration, checked, std::move(updateCallback))
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, _st(&st) {
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}
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QSize RadioView::getSize() const {
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return QSize(_st->diameter, _st->diameter);
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}
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void RadioView::setStyle(const style::Radio &st) {
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_st = &st;
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}
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void RadioView::paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) {
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PainterHighQualityEnabler hq(p);
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auto toggled = currentAnimationValue(ms);
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auto pen = anim::pen(_st->untoggledFg, _st->toggledFg, toggled);
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pen.setWidth(_st->thickness);
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p.setPen(pen);
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p.setBrush(_st->bg);
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//int32 skip = qCeil(_st->thickness / 2.);
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//p.drawEllipse(_checkRect.marginsRemoved(QMargins(skip, skip, skip, skip)));
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p.drawEllipse(rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(_st->thickness / 2., _st->thickness / 2., _st->thickness / 2., _st->thickness / 2.)), outerWidth));
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if (toggled > 0) {
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p.setPen(Qt::NoPen);
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p.setBrush(anim::brush(_st->untoggledFg, _st->toggledFg, toggled));
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auto skip0 = _st->diameter / 2., skip1 = _st->skip / 10., checkSkip = skip0 * (1. - toggled) + skip1 * toggled;
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p.drawEllipse(rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(checkSkip, checkSkip, checkSkip, checkSkip)), outerWidth));
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//int32 fskip = qFloor(checkSkip), cskip = qCeil(checkSkip);
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//if (2 * fskip < _checkRect.width()) {
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// if (fskip != cskip) {
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// p.setOpacity(float64(cskip) - checkSkip);
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// p.drawEllipse(_checkRect.marginsRemoved(QMargins(fskip, fskip, fskip, fskip)));
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// p.setOpacity(1.);
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// }
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// if (2 * cskip < _checkRect.width()) {
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// p.drawEllipse(_checkRect.marginsRemoved(QMargins(cskip, cskip, cskip, cskip)));
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// }
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//}
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}
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}
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QSize RadioView::rippleSize() const {
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return getSize() + 2 * QSize(_st->rippleAreaPadding, _st->rippleAreaPadding);
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}
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QImage RadioView::prepareRippleMask() const {
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return RippleAnimation::ellipseMask(rippleSize());
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}
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bool RadioView::checkRippleStartPosition(QPoint position) const {
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return QRect(QPoint(0, 0), rippleSize()).contains(position);
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}
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Checkbox::Checkbox(QWidget *parent, const QString &text, bool checked, const style::Checkbox &st, const style::Check &checkSt) : Checkbox(parent, text, st, std::make_unique<CheckView>(checkSt, checked, [this] { updateCheck(); })) {
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}
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Checkbox::Checkbox(QWidget *parent, const QString &text, bool checked, const style::Checkbox &st, const style::Toggle &toggleSt) : Checkbox(parent, text, st, std::make_unique<ToggleView>(toggleSt, checked, [this] { updateCheck(); })) {
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}
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Checkbox::Checkbox(QWidget *parent, const QString &text, const style::Checkbox &st, std::unique_ptr<AbstractCheckView> check) : RippleButton(parent, st.ripple)
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, _st(st)
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, _check(std::move(check))
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, _text(_st.style, text, _checkboxOptions) {
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resizeToText();
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setCursor(style::cur_pointer);
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}
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void Checkbox::setText(const QString &text) {
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_text.setText(_st.style, text, _checkboxOptions);
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resizeToText();
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update();
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}
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bool Checkbox::checked() const {
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return _check->checked();
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}
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void Checkbox::resizeToText() {
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if (_st.width <= 0) {
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resizeToWidth(_text.maxWidth() - _st.width);
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} else {
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resizeToWidth(_st.width);
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}
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_checkRect = { QPoint(_st.margin.left(), _st.margin.top()), _check->getSize() };
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}
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void Checkbox::setChecked(bool checked, NotifyAboutChange notify) {
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if (_check->checked() != checked) {
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_check->setCheckedAnimated(checked);
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if (notify == NotifyAboutChange::Notify) {
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checkedChanged.notify(checked, true);
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}
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}
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}
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void Checkbox::finishAnimations() {
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_check->finishAnimation();
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}
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int Checkbox::naturalWidth() const {
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return _checkRect.width() + _st.textPosition.x() + _text.maxWidth();
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}
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void Checkbox::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto ms = getms();
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if (isDisabled()) {
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p.setOpacity(_st.disabledOpacity);
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} else {
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auto active = _check->currentAnimationValue(ms);
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auto color = anim::color(_st.rippleBg, _st.rippleBgActive, active);
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paintRipple(p, _st.rippleAreaPosition.x(), _st.rippleAreaPosition.y(), ms, &color);
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}
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auto realCheckRect = myrtlrect(_checkRect);
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if (realCheckRect.intersects(e->rect())) {
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if (isDisabled()) {
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p.drawPixmapLeft(_checkRect.left(), _checkRect.top(), width(), _checkCache);
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} else {
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_check->paint(p, _checkRect.left(), _checkRect.top(), width());
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}
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}
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if (realCheckRect.contains(e->rect())) return;
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auto textWidth = qMax(width() - (_checkRect.width() + _st.textPosition.x() + _st.textPosition.x()), 1);
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p.setPen(_st.textFg);
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_text.drawLeftElided(p, _st.margin.left() + _checkRect.width() + _st.textPosition.x(), _st.margin.top() + _st.textPosition.y(), textWidth, width());
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}
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QPixmap Checkbox::grabCheckCache() const {
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auto image = QImage(_checkRect.size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
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image.fill(Qt::transparent);
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image.setDevicePixelRatio(cRetinaFactor());
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{
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Painter p(&image);
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_check->paint(p, 0, 0, _checkRect.width());
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}
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return App::pixmapFromImageInPlace(std::move(image));
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}
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void Checkbox::onStateChanged(State was, StateChangeSource source) {
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RippleButton::onStateChanged(was, source);
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if (isDisabled() && !(was & StateFlag::Disabled)) {
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setCursor(style::cur_default);
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finishAnimations();
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_checkCache = grabCheckCache();
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} else if (!isDisabled() && (was & StateFlag::Disabled)) {
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setCursor(style::cur_pointer);
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_checkCache = QPixmap();
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}
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auto now = state();
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if (!isDisabled() && (was & StateFlag::Over) && (now & StateFlag::Over)) {
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if ((was & StateFlag::Down) && !(now & StateFlag::Down)) {
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handlePress();
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}
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}
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}
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void Checkbox::handlePress() {
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setChecked(!checked());
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}
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int Checkbox::resizeGetHeight(int newWidth) {
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return _check->getSize().height();
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}
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QImage Checkbox::prepareRippleMask() const {
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return _check->prepareRippleMask();
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}
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QPoint Checkbox::prepareRippleStartPosition() const {
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if (isDisabled()) {
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return DisabledRippleStartPosition();
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}
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auto position = mapFromGlobal(QCursor::pos()) - _st.rippleAreaPosition;
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return _check->checkRippleStartPosition(position) ? position : DisabledRippleStartPosition();
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}
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void RadiobuttonGroup::setValue(int value) {
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if (_hasValue && _value == value) {
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return;
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}
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_hasValue = true;
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_value = value;
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for (auto button : _buttons) {
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button->handleNewGroupValue(_value);
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}
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if (_changedCallback) {
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_changedCallback(_value);
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}
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}
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Radiobutton::Radiobutton(QWidget *parent, const std::shared_ptr<RadiobuttonGroup> &group, int value, const QString &text, const style::Checkbox &st, const style::Radio &radioSt) : Checkbox(parent, text, st, std::make_unique<RadioView>(radioSt, (group->hasValue() && group->value() == value), [this] { updateCheck(); }))
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, _group(group)
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, _value(value) {
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_group->registerButton(this);
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subscribe(checkbox()->checkedChanged, [this](bool checked) {
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if (checked) {
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_group->setValue(_value);
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}
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});
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}
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void Radiobutton::handleNewGroupValue(int value) {
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auto checked = (value == _value);
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if (checkbox()->checked() != checked) {
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checkbox()->setChecked(checked, Ui::Checkbox::NotifyAboutChange::DontNotify);
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}
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}
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void Radiobutton::handlePress() {
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if (!checkbox()->checked()) {
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checkbox()->setChecked(true);
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}
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}
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Radiobutton::~Radiobutton() {
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_group->unregisterButton(this);
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}
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} // namespace Ui
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