tdesktop/Telegram/SourceFiles/ui/widgets/checkbox.cpp

547 lines
17 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "ui/widgets/checkbox.h"
#include "lang/lang_keys.h"
#include "ui/effects/ripple_animation.h"
namespace Ui {
namespace {
TextParseOptions _checkboxOptions = {
TextParseMultiline, // flags
0, // maxw
0, // maxh
Qt::LayoutDirectionAuto, // dir
};
} // namespace
AbstractCheckView::AbstractCheckView(int duration, bool checked, base::lambda<void()> updateCallback)
: _duration(duration)
, _checked(checked)
, _updateCallback(std::move(updateCallback)) {
}
void AbstractCheckView::setCheckedFast(bool checked) {
_checked = checked;
finishAnimating();
if (_updateCallback) {
_updateCallback();
}
}
void AbstractCheckView::setUpdateCallback(base::lambda<void()> updateCallback) {
_updateCallback = std::move(updateCallback);
if (_toggleAnimation.animating()) {
_toggleAnimation.setUpdateCallback(_updateCallback);
}
}
void AbstractCheckView::setCheckedAnimated(bool checked) {
if (_checked != checked) {
_checked = checked;
_toggleAnimation.start(_updateCallback, _checked ? 0. : 1., _checked ? 1. : 0., _duration);
}
}
void AbstractCheckView::finishAnimating() {
_toggleAnimation.finish();
}
float64 AbstractCheckView::currentAnimationValue(TimeMs ms) {
return ms ? _toggleAnimation.current(ms, _checked ? 1. : 0.) : _toggleAnimation.current(_checked ? 1. : 0.);
}
ToggleView::ToggleView(
const style::Toggle &st,
bool checked,
base::lambda<void()> updateCallback)
: AbstractCheckView(st.duration, checked, std::move(updateCallback))
, _st(&st) {
}
QSize ToggleView::getSize() const {
return QSize(2 * _st->border + _st->diameter + _st->width, 2 * _st->border + _st->diameter);
}
void ToggleView::setStyle(const style::Toggle &st) {
_st = &st;
}
void ToggleView::paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) {
left += _st->border;
top += _st->border;
PainterHighQualityEnabler hq(p);
auto toggled = currentAnimationValue(ms);
auto fullWidth = _st->diameter + _st->width;
auto innerDiameter = _st->diameter - 2 * _st->shift;
auto innerRadius = float64(innerDiameter) / 2.;
auto toggleLeft = left + anim::interpolate(0, fullWidth - _st->diameter, toggled);
auto bgRect = rtlrect(left + _st->shift, top + _st->shift, fullWidth - 2 * _st->shift, innerDiameter, outerWidth);
auto fgRect = rtlrect(toggleLeft, top, _st->diameter, _st->diameter, outerWidth);
auto fgBrush = anim::brush(_st->untoggledFg, _st->toggledFg, toggled);
p.setPen(Qt::NoPen);
p.setBrush(fgBrush);
p.drawRoundedRect(bgRect, innerRadius, innerRadius);
auto pen = anim::pen(_st->untoggledFg, _st->toggledFg, toggled);
pen.setWidth(_st->border);
p.setPen(pen);
p.setBrush(anim::brush(_st->untoggledBg, _st->toggledBg, toggled));
p.drawEllipse(fgRect);
if (_st->xsize > 0) {
paintXV(p, toggleLeft, top, outerWidth, toggled, fgBrush);
}
}
void ToggleView::paintXV(Painter &p, int left, int top, int outerWidth, float64 toggled, const QBrush &brush) {
Assert(_st->vsize > 0);
Assert(_st->stroke > 0);
static const auto sqrt2 = sqrt(2.);
auto stroke = (0. + _st->stroke) / sqrt2;
if (toggled < 1) {
// Just X or X->V.
auto xSize = 0. + _st->xsize;
auto xLeft = left + (_st->diameter - xSize) / 2.;
auto xTop = top + (_st->diameter - xSize) / 2.;
QPointF pathX[] = {
{ xLeft, xTop + stroke },
{ xLeft + stroke, xTop },
{ xLeft + (xSize / 2.), xTop + (xSize / 2.) - stroke },
{ xLeft + xSize - stroke, xTop },
{ xLeft + xSize, xTop + stroke },
{ xLeft + (xSize / 2.) + stroke, xTop + (xSize / 2.) },
{ xLeft + xSize, xTop + xSize - stroke },
{ xLeft + xSize - stroke, xTop + xSize },
{ xLeft + (xSize / 2.), xTop + (xSize / 2.) + stroke },
{ xLeft + stroke, xTop + xSize },
{ xLeft, xTop + xSize - stroke },
{ xLeft + (xSize / 2.) - stroke, xTop + (xSize / 2.) },
};
for (auto &point : pathX) {
point = rtlpoint(point, outerWidth);
}
if (toggled > 0) {
// X->V.
auto vSize = 0. + _st->vsize;
auto fSize = (xSize + vSize - 2. * stroke);
auto vLeft = left + (_st->diameter - fSize) / 2.;
auto vTop = 0. + xTop + _st->vshift;
QPointF pathV[] = {
{ vLeft, vTop + xSize - vSize + stroke },
{ vLeft + stroke, vTop + xSize - vSize },
{ vLeft + vSize - stroke, vTop + xSize - 2 * stroke },
{ vLeft + fSize - stroke, vTop },
{ vLeft + fSize, vTop + stroke },
{ vLeft + vSize, vTop + xSize - stroke },
{ vLeft + vSize, vTop + xSize - stroke },
{ vLeft + vSize - stroke, vTop + xSize },
{ vLeft + vSize - stroke, vTop + xSize },
{ vLeft + vSize - stroke, vTop + xSize },
{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
};
for (auto &point : pathV) {
point = rtlpoint(point, outerWidth);
}
p.fillPath(anim::interpolate(pathX, pathV, toggled), brush);
} else {
// Just X.
p.fillPath(anim::path(pathX), brush);
}
} else {
// Just V.
auto xSize = 0. + _st->xsize;
auto xTop = top + (_st->diameter - xSize) / 2.;
auto vSize = 0. + _st->vsize;
auto fSize = (xSize + vSize - 2. * stroke);
auto vLeft = left + (_st->diameter - (_st->xsize + _st->vsize - 2. * stroke)) / 2.;
auto vTop = 0. + xTop + _st->vshift;
QPointF pathV[] = {
{ vLeft, vTop + xSize - vSize + stroke },
{ vLeft + stroke, vTop + xSize - vSize },
{ vLeft + vSize - stroke, vTop + xSize - 2 * stroke },
{ vLeft + fSize - stroke, vTop },
{ vLeft + fSize, vTop + stroke },
{ vLeft + vSize, vTop + xSize - stroke },
{ vLeft + vSize, vTop + xSize - stroke },
{ vLeft + vSize - stroke, vTop + xSize },
{ vLeft + vSize - stroke, vTop + xSize },
{ vLeft + vSize - stroke, vTop + xSize },
{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
{ vLeft + vSize - 2 * stroke, vTop + xSize - stroke },
};
p.fillPath(anim::path(pathV), brush);
}
}
QSize ToggleView::rippleSize() const {
return getSize() + 2 * QSize(_st->rippleAreaPadding, _st->rippleAreaPadding);
}
QImage ToggleView::prepareRippleMask() const {
auto size = rippleSize();
return RippleAnimation::roundRectMask(size, size.height() / 2);
}
bool ToggleView::checkRippleStartPosition(QPoint position) const {
return QRect(QPoint(0, 0), rippleSize()).contains(position);
}
CheckView::CheckView(const style::Check &st, bool checked, base::lambda<void()> updateCallback) : AbstractCheckView(st.duration, checked, std::move(updateCallback))
, _st(&st) {
}
QSize CheckView::getSize() const {
return QSize(_st->diameter, _st->diameter);
}
void CheckView::setStyle(const style::Check &st) {
_st = &st;
}
void CheckView::paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) {
auto toggled = currentAnimationValue(ms);
auto pen = anim::pen(_st->untoggledFg, _st->toggledFg, toggled);
pen.setWidth(_st->thickness);
p.setPen(pen);
p.setBrush(anim::brush(_st->bg, anim::color(_st->untoggledFg, _st->toggledFg, toggled), toggled));
{
PainterHighQualityEnabler hq(p);
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.));
}
if (toggled > 0) {
_st->icon.paint(p, QPoint(left, top), outerWidth);
}
}
QSize CheckView::rippleSize() const {
return getSize() + 2 * QSize(_st->rippleAreaPadding, _st->rippleAreaPadding);
}
QImage CheckView::prepareRippleMask() const {
return RippleAnimation::ellipseMask(rippleSize());
}
bool CheckView::checkRippleStartPosition(QPoint position) const {
return QRect(QPoint(0, 0), rippleSize()).contains(position);
}
RadioView::RadioView(const style::Radio &st, bool checked, base::lambda<void()> updateCallback) : AbstractCheckView(st.duration, checked, std::move(updateCallback))
, _st(&st) {
}
QSize RadioView::getSize() const {
return QSize(_st->diameter, _st->diameter);
}
void RadioView::setStyle(const style::Radio &st) {
_st = &st;
}
void RadioView::paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) {
PainterHighQualityEnabler hq(p);
auto toggled = currentAnimationValue(ms);
auto pen = anim::pen(_st->untoggledFg, _st->toggledFg, toggled);
pen.setWidth(_st->thickness);
p.setPen(pen);
p.setBrush(_st->bg);
//int32 skip = qCeil(_st->thickness / 2.);
//p.drawEllipse(_checkRect.marginsRemoved(QMargins(skip, skip, skip, skip)));
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));
if (toggled > 0) {
p.setPen(Qt::NoPen);
p.setBrush(anim::brush(_st->untoggledFg, _st->toggledFg, toggled));
auto skip0 = _st->diameter / 2., skip1 = _st->skip / 10., checkSkip = skip0 * (1. - toggled) + skip1 * toggled;
p.drawEllipse(rtlrect(QRectF(left, top, _st->diameter, _st->diameter).marginsRemoved(QMarginsF(checkSkip, checkSkip, checkSkip, checkSkip)), outerWidth));
//int32 fskip = qFloor(checkSkip), cskip = qCeil(checkSkip);
//if (2 * fskip < _checkRect.width()) {
// if (fskip != cskip) {
// p.setOpacity(float64(cskip) - checkSkip);
// p.drawEllipse(_checkRect.marginsRemoved(QMargins(fskip, fskip, fskip, fskip)));
// p.setOpacity(1.);
// }
// if (2 * cskip < _checkRect.width()) {
// p.drawEllipse(_checkRect.marginsRemoved(QMargins(cskip, cskip, cskip, cskip)));
// }
//}
}
}
QSize RadioView::rippleSize() const {
return getSize() + 2 * QSize(_st->rippleAreaPadding, _st->rippleAreaPadding);
}
QImage RadioView::prepareRippleMask() const {
return RippleAnimation::ellipseMask(rippleSize());
}
bool RadioView::checkRippleStartPosition(QPoint position) const {
return QRect(QPoint(0, 0), rippleSize()).contains(position);
}
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(); })) {
}
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(); })) {
}
Checkbox::Checkbox(QWidget *parent, const QString &text, const style::Checkbox &st, std::unique_ptr<AbstractCheckView> check) : RippleButton(parent, st.ripple)
, _st(st)
, _check(std::move(check))
, _text(_st.style, text, _checkboxOptions) {
resizeToText();
setCursor(style::cur_pointer);
}
QRect Checkbox::checkRect() const {
auto size = _check->getSize();
return QRect({
(_checkAlignment & Qt::AlignHCenter)
? (width() - size.width()) / 2
: (_checkAlignment & Qt::AlignRight)
? (width() - _st.checkPosition.x() - size.width())
: _st.checkPosition.x(),
(_checkAlignment & Qt::AlignVCenter)
? (height() - size.height()) / 2
: (_checkAlignment & Qt::AlignBottom)
? (height() - _st.checkPosition.y() - size.height())
: _st.checkPosition.y()
}, size);
}
void Checkbox::setText(const QString &text) {
_text.setText(_st.style, text, _checkboxOptions);
resizeToText();
update();
}
void Checkbox::setCheckAlignment(style::align alignment) {
if (_checkAlignment != alignment) {
_checkAlignment = alignment;
update();
}
}
bool Checkbox::checked() const {
return _check->checked();
}
void Checkbox::resizeToText() {
if (_st.width <= 0) {
resizeToWidth(_text.maxWidth() - _st.width);
} else {
resizeToWidth(_st.width);
}
}
void Checkbox::setChecked(bool checked, NotifyAboutChange notify) {
if (_check->checked() != checked) {
_check->setCheckedAnimated(checked);
if (notify == NotifyAboutChange::Notify) {
checkedChanged.notify(checked, true);
}
}
}
void Checkbox::finishAnimating() {
_check->finishAnimating();
}
int Checkbox::naturalWidth() const {
if (_st.width > 0) {
return _st.width;
}
auto result = _st.checkPosition.x() + _check->getSize().width();
if (!_text.isEmpty()) {
result += _st.textPosition.x() + _text.maxWidth();
}
return result - _st.width;
}
void Checkbox::paintEvent(QPaintEvent *e) {
Painter p(this);
auto check = checkRect();
auto ms = getms();
if (isDisabled()) {
p.setOpacity(_st.disabledOpacity);
} else {
auto active = _check->currentAnimationValue(ms);
auto color = anim::color(_st.rippleBg, _st.rippleBgActive, active);
paintRipple(
p,
check.x() + _st.rippleAreaPosition.x(),
check.y() + _st.rippleAreaPosition.y(),
ms,
&color);
}
auto realCheckRect = myrtlrect(check);
if (realCheckRect.intersects(e->rect())) {
if (isDisabled()) {
p.drawPixmapLeft(check.left(), check.top(), width(), _checkCache);
} else {
_check->paint(p, check.left(), check.top(), width());
}
}
if (realCheckRect.contains(e->rect())) return;
auto leftSkip = _st.checkPosition.x()
+ check.width()
+ _st.textPosition.x();
auto availableTextWidth = qMax(width() - leftSkip, 1);
if (!_text.isEmpty()) {
Assert(!(_checkAlignment & Qt::AlignHCenter));
p.setPen(_st.textFg);
auto textSkip = _st.checkPosition.x()
+ check.width()
+ _st.textPosition.x();
auto textTop = _st.margin.top() + _st.textPosition.y();
if (_checkAlignment & Qt::AlignLeft) {
_text.drawLeftElided(
p,
textSkip,
textTop,
availableTextWidth,
width());
} else {
_text.drawRightElided(
p,
textSkip,
textTop,
availableTextWidth,
width());
}
}
}
QPixmap Checkbox::grabCheckCache() const {
auto checkSize = _check->getSize();
auto image = QImage(checkSize * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
image.fill(Qt::transparent);
image.setDevicePixelRatio(cRetinaFactor());
{
Painter p(&image);
_check->paint(p, 0, 0, checkSize.width());
}
return App::pixmapFromImageInPlace(std::move(image));
}
void Checkbox::onStateChanged(State was, StateChangeSource source) {
RippleButton::onStateChanged(was, source);
if (isDisabled() && !(was & StateFlag::Disabled)) {
setCursor(style::cur_default);
finishAnimating();
_checkCache = grabCheckCache();
} else if (!isDisabled() && (was & StateFlag::Disabled)) {
setCursor(style::cur_pointer);
_checkCache = QPixmap();
}
auto now = state();
if (!isDisabled() && (was & StateFlag::Over) && (now & StateFlag::Over)) {
if ((was & StateFlag::Down) && !(now & StateFlag::Down)) {
handlePress();
}
}
}
void Checkbox::handlePress() {
setChecked(!checked());
}
int Checkbox::resizeGetHeight(int newWidth) {
return _check->getSize().height();
}
QImage Checkbox::prepareRippleMask() const {
return _check->prepareRippleMask();
}
QPoint Checkbox::prepareRippleStartPosition() const {
if (isDisabled()) {
return DisabledRippleStartPosition();
}
auto position = myrtlpoint(mapFromGlobal(QCursor::pos()))
- checkRect().topLeft()
- _st.rippleAreaPosition;
return _check->checkRippleStartPosition(position)
? position
: DisabledRippleStartPosition();
}
void RadiobuttonGroup::setValue(int value) {
if (_hasValue && _value == value) {
return;
}
_hasValue = true;
_value = value;
for (auto button : _buttons) {
button->handleNewGroupValue(_value);
}
if (_changedCallback) {
_changedCallback(_value);
}
}
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(); }))
, _group(group)
, _value(value) {
_group->registerButton(this);
subscribe(checkbox()->checkedChanged, [this](bool checked) {
if (checked) {
_group->setValue(_value);
}
});
}
void Radiobutton::handleNewGroupValue(int value) {
auto checked = (value == _value);
if (checkbox()->checked() != checked) {
checkbox()->setChecked(checked, Ui::Checkbox::NotifyAboutChange::DontNotify);
}
}
void Radiobutton::handlePress() {
if (!checkbox()->checked()) {
checkbox()->setChecked(true);
}
}
Radiobutton::~Radiobutton() {
_group->unregisterButton(this);
}
} // namespace Ui