330 lines
10 KiB
C++
330 lines
10 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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Checkbox::Checkbox(QWidget *parent, const QString &text, bool checked, const style::Checkbox &st) : RippleButton(parent, st.ripple)
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, _st(st)
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, _text(_st.style, text, _checkboxOptions)
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, _checked(checked) {
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resizeToText();
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connect(this, SIGNAL(clicked()), this, SLOT(onClicked()));
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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 _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 = myrtlrect(_st.margin.left(), _st.margin.top(), _st.diameter, _st.diameter);
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}
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void Checkbox::setChecked(bool checked, NotifyAboutChange notify) {
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if (_checked != checked) {
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_checked = checked;
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_a_checked.start([this] { update(_checkRect); }, _checked ? 0. : 1., _checked ? 1. : 0., _st.duration);
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if (notify == NotifyAboutChange::Notify) {
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emit changed();
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}
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}
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}
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void Checkbox::finishAnimations() {
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_a_checked.finish();
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}
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int Checkbox::naturalWidth() const {
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return _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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auto active = _a_checked.current(ms, _checked ? 1. : 0.);
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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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if (_checkRect.intersects(e->rect())) {
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auto pen = anim::pen(_st.checkFg, _st.checkFgActive, active);
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pen.setWidth(_st.thickness);
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p.setPen(pen);
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p.setBrush(anim::brush(_st.checkBg, anim::color(_st.checkFg, _st.checkFgActive, active), active));
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{
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PainterHighQualityEnabler hq(p);
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p.drawRoundedRect(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2., _st.thickness / 2., _st.thickness / 2., _st.thickness / 2.)), st::buttonRadius - (_st.thickness / 2.), st::buttonRadius - (_st.thickness / 2.));
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}
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if (active > 0) {
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_st.checkIcon.paint(p, QPoint(_st.margin.left(), _st.margin.top()), width());
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}
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}
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if (_checkRect.contains(e->rect())) return;
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auto textWidth = qMax(width() - (_st.textPosition.x() + (_st.textPosition.x() - _st.diameter)), 1);
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p.setPen(_st.textFg);
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_text.drawLeftElided(p, _st.margin.left() + _st.textPosition.x(), _st.margin.top() + _st.textPosition.y(), textWidth, width());
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}
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void Checkbox::onClicked() {
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if (isDisabled()) return;
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setChecked(!checked());
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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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} else if (!isDisabled() && (was & StateFlag::Disabled)) {
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setCursor(style::cur_pointer);
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}
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}
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int Checkbox::resizeGetHeight(int newWidth) {
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return _st.height;
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}
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QImage Checkbox::prepareRippleMask() const {
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return RippleAnimation::ellipseMask(QSize(_st.rippleAreaSize, _st.rippleAreaSize));
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}
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QPoint Checkbox::prepareRippleStartPosition() const {
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auto position = mapFromGlobal(QCursor::pos()) - _st.rippleAreaPosition;
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if (QRect(0, 0, _st.rippleAreaSize, _st.rippleAreaSize).contains(position)) {
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return position;
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}
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return 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) : RippleButton(parent, st.ripple)
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, _group(group)
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, _value(value)
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, _st(st)
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, _text(_st.style, text, _checkboxOptions)
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, _checked(_group->hasValue() && _group->value() == _value) {
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_group->registerButton(this);
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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 = myrtlrect(_st.margin.left(), _st.margin.top(), _st.diameter, _st.diameter);
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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 (_checked != checked) {
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_checked = checked;
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_a_checked.start([this] { update(_checkRect); }, _checked ? 0. : 1., _checked ? 1. : 0., _st.duration);
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}
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}
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int Radiobutton::naturalWidth() const {
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return _st.textPosition.x() + _text.maxWidth();
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}
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void Radiobutton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto ms = getms();
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auto active = _a_checked.current(ms, _checked ? 1. : 0.);
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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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if (_checkRect.intersects(e->rect())) {
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PainterHighQualityEnabler hq(p);
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auto pen = anim::pen(_st.checkFg, _st.checkFgActive, active);
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pen.setWidth(_st.thickness);
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p.setPen(pen);
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p.setBrush(_st.checkBg);
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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(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2., _st.thickness / 2., _st.thickness / 2., _st.thickness / 2.)));
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if (active > 0) {
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p.setPen(Qt::NoPen);
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p.setBrush(anim::brush(_st.checkFg, _st.checkFgActive, active));
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auto skip0 = _checkRect.width() / 2., skip1 = _st.radioSkip / 10., checkSkip = skip0 * (1. - active) + skip1 * active;
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p.drawEllipse(QRectF(_checkRect).marginsRemoved(QMarginsF(checkSkip, checkSkip, checkSkip, checkSkip)));
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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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if (_checkRect.contains(e->rect())) return;
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auto textWidth = qMax(width() - (_st.textPosition.x() + (_st.textPosition.x() - _st.diameter)), 1);
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p.setPen(_st.textFg);
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_text.drawLeftElided(p, _st.margin.left() + _st.textPosition.x(), _st.margin.top() + _st.textPosition.y(), textWidth, width());
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}
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void Radiobutton::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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} else if (!isDisabled() && (was & StateFlag::Disabled)) {
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setCursor(style::cur_pointer);
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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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_group->setValue(_value);
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}
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}
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}
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int Radiobutton::resizeGetHeight(int newWidth) {
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return _st.height;
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}
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QImage Radiobutton::prepareRippleMask() const {
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return RippleAnimation::ellipseMask(QSize(_st.rippleAreaSize, _st.rippleAreaSize));
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}
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QPoint Radiobutton::prepareRippleStartPosition() const {
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auto position = mapFromGlobal(QCursor::pos()) - _st.rippleAreaPosition;
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if (QRect(0, 0, _st.rippleAreaSize, _st.rippleAreaSize).contains(position)) {
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return position;
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}
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return disabledRippleStartPosition();
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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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ToggleView::ToggleView(const style::Toggle &st, bool toggled, base::lambda<void()> updateCallback)
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: _st(&st)
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, _toggled(toggled)
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, _updateCallback(std::move(updateCallback)) {
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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::setToggledFast(bool toggled) {
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_toggled = toggled;
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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 ToggleView::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 ToggleView::setToggledAnimated(bool toggled) {
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if (_toggled != toggled) {
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_toggled = toggled;
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_toggleAnimation.start(_updateCallback, _toggled ? 0. : 1., _toggled ? 1. : 0., _st->duration);
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}
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}
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void ToggleView::finishAnimation() {
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_toggleAnimation.finish();
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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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PainterHighQualityEnabler hq(p);
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auto toggled = _toggleAnimation.current(ms, _toggled ? 1. : 0.);
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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 bgRect = rtlrect(left + _st->shift, top + _st->shift, fullWidth - 2 * _st->shift, innerDiameter, outerWidth);
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auto fgRect = rtlrect(left + anim::interpolate(0, fullWidth - _st->diameter, toggled), top, _st->diameter, _st->diameter, outerWidth);
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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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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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}
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} // namespace Ui
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