tdesktop/Telegram/SourceFiles/media/player/media_player_dropdown.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "media/player/media_player_dropdown.h"
#include "base/invoke_queued.h"
#include "base/timer.h"
#include "lang/lang_keys.h"
#include "media/player/media_player_button.h"
#include "ui/cached_round_corners.h"
#include "ui/widgets/menu/menu.h"
#include "ui/widgets/menu/menu_action.h"
#include "ui/widgets/continuous_sliders.h"
#include "ui/widgets/dropdown_menu.h"
#include "ui/widgets/shadow.h"
#include "ui/painter.h"
#include "styles/style_media_player.h"
#include "styles/style_widgets.h"
namespace Media::Player {
namespace {
constexpr auto kSpeedDebounceTimeout = crl::time(1000);
[[nodiscard]] float64 SpeedToSliderValue(float64 speed) {
return (speed - kSpeedMin) / (kSpeedMax - kSpeedMin);
}
[[nodiscard]] float64 SliderValueToSpeed(float64 value) {
const auto speed = value * (kSpeedMax - kSpeedMin) + kSpeedMin;
return base::SafeRound(speed * 10) / 10.;
}
constexpr auto kSpeedStickedValues =
std::array<std::pair<float64, float64>, 7>{{
{ 0.8, 0.05 },
{ 1.0, 0.05 },
{ 1.2, 0.05 },
{ 1.5, 0.05 },
{ 1.7, 0.05 },
{ 2.0, 0.05 },
{ 2.2, 0.05 },
}};
class SpeedSliderItem final : public Ui::Menu::ItemBase {
public:
SpeedSliderItem(
not_null<RpWidget*> parent,
const style::MediaSpeedMenu &st,
rpl::producer<float64> value);
not_null<QAction*> action() const override;
bool isEnabled() const override;
[[nodiscard]] float64 current() const;
[[nodiscard]] rpl::producer<float64> changing() const;
[[nodiscard]] rpl::producer<float64> changed() const;
[[nodiscard]] rpl::producer<float64> debouncedChanges() const;
protected:
int contentHeight() const override;
private:
void setExternalValue(float64 speed);
void setSliderValue(float64 speed);
const base::unique_qptr<Ui::MediaSlider> _slider;
const not_null<QAction*> _dummyAction;
const style::MediaSpeedMenu &_st;
Ui::Text::String _text;
int _height = 0;
rpl::event_stream<float64> _changing;
rpl::event_stream<float64> _changed;
rpl::event_stream<float64> _debounced;
base::Timer _debounceTimer;
rpl::variable<float64> _last = 0.;
};
SpeedSliderItem::SpeedSliderItem(
not_null<RpWidget*> parent,
const style::MediaSpeedMenu &st,
rpl::producer<float64> value)
: Ui::Menu::ItemBase(parent, st.dropdown.menu)
, _slider(base::make_unique_q<Ui::MediaSlider>(this, st.slider))
, _dummyAction(new QAction(parent))
, _st(st)
, _height(st.sliderPadding.top()
+ st.dropdown.menu.itemStyle.font->height
+ st.sliderPadding.bottom())
, _debounceTimer([=] { _debounced.fire(current()); }) {
initResizeHook(parent->sizeValue());
enableMouseSelecting();
enableMouseSelecting(_slider.get());
setPointerCursor(false);
setMinWidth(st.sliderPadding.left()
+ st.sliderWidth
+ st.sliderPadding.right());
_slider->setAlwaysDisplayMarker(true);
sizeValue(
) | rpl::start_with_next([=](const QSize &size) {
const auto geometry = QRect(QPoint(), size);
const auto padding = _st.sliderPadding;
const auto inner = geometry - padding;
_slider->setGeometry(
padding.left(),
inner.y(),
(geometry.width() - padding.left() - padding.right()),
inner.height());
}, lifetime());
paintRequest(
) | rpl::start_with_next([=](const QRect &clip) {
auto p = Painter(this);
p.fillRect(clip, _st.dropdown.menu.itemBg);
const auto left = (_st.sliderPadding.left() - _text.maxWidth()) / 2;
const auto top = _st.dropdown.menu.itemPadding.top();
p.setPen(_st.dropdown.menu.itemFg);
_text.drawLeftElided(p, left, top, _text.maxWidth(), width());
}, lifetime());
_slider->setChangeProgressCallback([=](float64 value) {
const auto speed = SliderValueToSpeed(value);
if (!EqualSpeeds(current(), speed)) {
_last = speed;
_changing.fire_copy(speed);
_debounceTimer.callOnce(kSpeedDebounceTimeout);
}
});
_slider->setChangeFinishedCallback([=](float64 value) {
const auto speed = SliderValueToSpeed(value);
_last = speed;
_changed.fire_copy(speed);
_debounced.fire_copy(speed);
_debounceTimer.cancel();
});
std::move(
value
) | rpl::start_with_next([=](float64 external) {
setExternalValue(external);
}, lifetime());
_last.value(
) | rpl::start_with_next([=](float64 value) {
const auto text = QString::number(value, 'f', 1) + 'x';
if (_text.toString() != text) {
_text.setText(_st.sliderStyle, text);
update();
}
}, lifetime());
_slider->setAdjustCallback([=](float64 value) {
const auto speed = SliderValueToSpeed(value);
for (const auto &snap : kSpeedStickedValues) {
if (speed > (snap.first - snap.second)
&& speed < (snap.first + snap.second)) {
return SpeedToSliderValue(snap.first);
}
}
return value;
});
}
void FillSpeedMenu(
not_null<Ui::Menu::Menu*> menu,
const style::MediaSpeedMenu &st,
rpl::producer<float64> value,
Fn<void(float64)> callback) {
auto slider = base::make_unique_q<SpeedSliderItem>(
menu,
st,
rpl::duplicate(value));
slider->debouncedChanges(
) | rpl::start_with_next(callback, slider->lifetime());
struct State {
rpl::variable<float64> realtime;
};
const auto state = slider->lifetime().make_state<State>();
state->realtime = rpl::single(
slider->current()
) | rpl::then(rpl::merge(
slider->changing(),
slider->changed()
));
menu->addAction(std::move(slider));
menu->addSeparator(&st.dropdown.menu.separator);
struct SpeedPoint {
float64 speed = 0.;
tr::phrase<> text;
const style::icon &icon;
const style::icon &iconActive;
};
const auto points = std::vector<SpeedPoint>{
{
0.5,
tr::lng_voice_speed_slow,
st.slow,
st.slowActive },
{
1.0,
tr::lng_voice_speed_normal,
st.normal,
st.normalActive },
{
1.2,
tr::lng_voice_speed_medium,
st.medium,
st.mediumActive },
{
1.5,
tr::lng_voice_speed_fast,
st.fast,
st.fastActive },
{
1.7,
tr::lng_voice_speed_very_fast,
st.veryFast,
st.veryFastActive },
{
2.0,
tr::lng_voice_speed_super_fast,
st.superFast,
st.superFastActive },
};
for (const auto &point : points) {
const auto speed = point.speed;
const auto text = point.text(tr::now);
const auto icon = &point.icon;
const auto iconActive = &point.iconActive;
auto action = base::make_unique_q<Ui::Menu::Action>(
menu,
st.dropdown.menu,
Ui::Menu::CreateAction(menu, text, [=] { callback(speed); }),
&point.icon,
&point.icon);
const auto raw = action.get();
const auto check = Ui::CreateChild<Ui::RpWidget>(raw);
check->resize(st.activeCheck.size());
check->paintRequest(
) | rpl::start_with_next([check, icon = &st.activeCheck] {
auto p = QPainter(check);
icon->paint(p, 0, 0, check->width());
}, check->lifetime());
raw->sizeValue(
) | rpl::start_with_next([=, skip = st.activeCheckSkip](QSize size) {
check->moveToRight(
skip,
(size.height() - check->height()) / 2,
size.width());
}, check->lifetime());
check->setAttribute(Qt::WA_TransparentForMouseEvents);
state->realtime.value(
) | rpl::start_with_next([=](float64 now) {
const auto chosen = EqualSpeeds(speed, now);
const auto overriden = chosen ? iconActive : icon;
raw->setIcon(overriden, overriden);
raw->action()->setEnabled(!chosen);
check->setVisible(chosen);
}, raw->lifetime());
menu->addAction(std::move(action));
}
}
void SpeedSliderItem::setExternalValue(float64 speed) {
if (!_slider->isChanging()) {
setSliderValue(speed);
}
}
void SpeedSliderItem::setSliderValue(float64 speed) {
const auto value = SpeedToSliderValue(speed);
_slider->setValue(value);
_last = speed;
_changed.fire_copy(speed);
}
not_null<QAction*> SpeedSliderItem::action() const {
return _dummyAction;
}
bool SpeedSliderItem::isEnabled() const {
return false;
}
int SpeedSliderItem::contentHeight() const {
return _height;
}
float64 SpeedSliderItem::current() const {
return _last.current();
}
rpl::producer<float64> SpeedSliderItem::changing() const {
return _changing.events();
}
rpl::producer<float64> SpeedSliderItem::changed() const {
return _changed.events();
}
rpl::producer<float64> SpeedSliderItem::debouncedChanges() const {
return _debounced.events();
}
} // namespace
Dropdown::Dropdown(QWidget *parent)
: RpWidget(parent)
, _hideTimer([=] { startHide(); })
, _showTimer([=] { startShow(); }) {
hide();
macWindowDeactivateEvents(
) | rpl::filter([=] {
return !isHidden();
}) | rpl::start_with_next([=] {
leaveEvent(nullptr);
}, lifetime());
hide();
auto margin = getMargin();
resize(margin.left() + st::mediaPlayerVolumeSize.width() + margin.right(), margin.top() + st::mediaPlayerVolumeSize.height() + margin.bottom());
}
QMargins Dropdown::getMargin() const {
const auto top1 = st::mediaPlayerHeight
+ st::lineWidth
- st::mediaPlayerPlayTop
- st::mediaPlayerVolumeToggle.height;
const auto top2 = st::mediaPlayerPlayback.fullWidth;
const auto top = std::max(top1, top2);
return QMargins(st::mediaPlayerVolumeMargin, top, st::mediaPlayerVolumeMargin, st::mediaPlayerVolumeMargin);
}
bool Dropdown::overlaps(const QRect &globalRect) {
if (isHidden() || _a_appearance.animating()) return false;
return rect().marginsRemoved(getMargin()).contains(QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size()));
}
void Dropdown::paintEvent(QPaintEvent *e) {
2022-09-16 20:23:27 +00:00
auto p = QPainter(this);
if (!_cache.isNull()) {
bool animating = _a_appearance.animating();
if (animating) {
p.setOpacity(_a_appearance.value(_hiding ? 0. : 1.));
} else if (_hiding || isHidden()) {
hidingFinished();
return;
}
p.drawPixmap(0, 0, _cache);
if (!animating) {
showChildren();
_cache = QPixmap();
}
return;
}
// draw shadow
auto shadowedRect = rect().marginsRemoved(getMargin());
auto shadowedSides = RectPart::Left | RectPart::Right | RectPart::Bottom;
Ui::Shadow::paint(p, shadowedRect, width(), st::defaultRoundShadow, shadowedSides);
const auto &corners = Ui::CachedCornerPixmaps(Ui::MenuCorners);
const auto fill = Ui::CornersPixmaps{
.p = { QPixmap(), QPixmap(), corners.p[2], corners.p[3] },
};
Ui::FillRoundRect(
p,
shadowedRect.x(),
0,
shadowedRect.width(),
shadowedRect.y() + shadowedRect.height(),
st::menuBg,
fill);
}
void Dropdown::enterEventHook(QEnterEvent *e) {
_hideTimer.cancel();
if (_a_appearance.animating()) {
startShow();
} else {
_showTimer.callOnce(0);
}
return RpWidget::enterEventHook(e);
}
void Dropdown::leaveEventHook(QEvent *e) {
_showTimer.cancel();
if (_a_appearance.animating()) {
startHide();
} else {
_hideTimer.callOnce(300);
}
return RpWidget::leaveEventHook(e);
}
void Dropdown::otherEnter() {
_hideTimer.cancel();
if (_a_appearance.animating()) {
startShow();
} else {
_showTimer.callOnce(0);
}
}
void Dropdown::otherLeave() {
_showTimer.cancel();
if (_a_appearance.animating()) {
startHide();
} else {
_hideTimer.callOnce(0);
}
}
void Dropdown::startShow() {
if (isHidden()) {
show();
} else if (!_hiding) {
return;
}
_hiding = false;
startAnimation();
}
void Dropdown::startHide() {
if (_hiding) {
return;
}
_hiding = true;
startAnimation();
}
void Dropdown::startAnimation() {
if (_cache.isNull()) {
showChildren();
_cache = Ui::GrabWidget(this);
}
hideChildren();
_a_appearance.start(
[=] { appearanceCallback(); },
_hiding ? 1. : 0.,
_hiding ? 0. : 1.,
st::defaultInnerDropdown.duration);
}
void Dropdown::appearanceCallback() {
if (!_a_appearance.animating() && _hiding) {
_hiding = false;
hidingFinished();
} else {
update();
}
}
void Dropdown::hidingFinished() {
hide();
_cache = QPixmap();
}
bool Dropdown::eventFilter(QObject *obj, QEvent *e) {
if (e->type() == QEvent::Enter) {
otherEnter();
} else if (e->type() == QEvent::Leave) {
otherLeave();
}
return false;
}
WithDropdownController::WithDropdownController(
not_null<Ui::AbstractButton*> button,
not_null<QWidget*> menuParent,
const style::DropdownMenu &menuSt,
Qt::Alignment menuAlign,
Fn<void(bool)> menuOverCallback)
: _button(button)
, _menuParent(menuParent)
, _menuSt(menuSt)
, _menuAlign(menuAlign)
, _menuOverCallback(std::move(menuOverCallback)) {
button->events(
) | rpl::filter([=](not_null<QEvent*> e) {
return (e->type() == QEvent::Enter)
|| (e->type() == QEvent::Leave);
}) | rpl::start_with_next([=](not_null<QEvent*> e) {
_overButton = (e->type() == QEvent::Enter);
if (_overButton) {
InvokeQueued(button, [=] {
if (_overButton) {
showMenu();
}
});
}
}, button->lifetime());
}
not_null<Ui::AbstractButton*> WithDropdownController::button() const {
return _button;
}
Ui::DropdownMenu *WithDropdownController::menu() const {
return _menu.get();
}
void WithDropdownController::updateDropdownGeometry() {
if (!_menu) {
return;
}
const auto bwidth = _button->width();
const auto bheight = _button->height();
const auto mwidth = _menu->width();
const auto mheight = _menu->height();
const auto padding = _menuSt.wrap.padding;
const auto x = st::mediaPlayerMenuPosition.x();
const auto y = st::mediaPlayerMenuPosition.y();
const auto position = _menu->parentWidget()->mapFromGlobal(
_button->mapToGlobal(QPoint())
) + [&] {
switch (_menuAlign) {
case style::al_topleft: return QPoint(
-padding.left() - x,
bheight - padding.top() + y);
case style::al_topright: return QPoint(
bwidth - mwidth + padding.right() + x,
bheight - padding.top() + y);
case style::al_bottomright: return QPoint(
bwidth - mwidth + padding.right() + x,
-mheight + padding.bottom() - y);
case style::al_bottomleft: return QPoint(
-padding.left() - x,
-mheight + padding.bottom() - y);
}
Unexpected("Menu align value.");
}();
_menu->move(position);
}
void WithDropdownController::hideTemporarily() {
if (_menu && !_menu->isHidden()) {
_temporarilyHidden = true;
_menu->hide();
}
}
void WithDropdownController::showBack() {
if (_temporarilyHidden) {
_temporarilyHidden = false;
if (_menu && _menu->isHidden()) {
_menu->show();
}
}
}
void WithDropdownController::showMenu() {
if (_menu) {
return;
}
_menu.emplace(_menuParent, _menuSt);
const auto raw = _menu.get();
_menu->events(
) | rpl::start_with_next([this](not_null<QEvent*> e) {
const auto type = e->type();
if (type == QEvent::Enter) {
_menuOverCallback(true);
} else if (type == QEvent::Leave) {
_menuOverCallback(false);
}
}, _menu->lifetime());
_menu->setHiddenCallback([=]{
Ui::PostponeCall(raw, [this] {
_menu = nullptr;
});
});
_button->installEventFilter(raw);
fillMenu(raw);
updateDropdownGeometry();
const auto origin = [&] {
using Origin = Ui::PanelAnimation::Origin;
switch (_menuAlign) {
case style::al_topleft: return Origin::TopLeft;
case style::al_topright: return Origin::TopRight;
case style::al_bottomright: return Origin::BottomRight;
case style::al_bottomleft: return Origin::BottomLeft;
}
Unexpected("Menu align value.");
}();
_menu->showAnimated(origin);
}
OrderController::OrderController(
not_null<Ui::IconButton*> button,
not_null<QWidget*> menuParent,
Fn<void(bool)> menuOverCallback,
rpl::producer<OrderMode> value,
Fn<void(OrderMode)> change)
: WithDropdownController(
button,
menuParent,
st::mediaPlayerMenu,
style::al_topright,
std::move(menuOverCallback))
, _button(button)
, _appOrder(std::move(value))
, _change(std::move(change)) {
button->setClickedCallback([=] {
showMenu();
});
_appOrder.value(
) | rpl::start_with_next([=] {
updateIcon();
}, button->lifetime());
}
void OrderController::fillMenu(not_null<Ui::DropdownMenu*> menu) {
const auto addOrderAction = [&](OrderMode mode) {
struct Fields {
QString label;
const style::icon &icon;
const style::icon &activeIcon;
};
const auto active = (_appOrder.current() == mode);
const auto callback = [change = _change, mode, active] {
change(active ? OrderMode::Default : mode);
};
const auto fields = [&]() -> Fields {
switch (mode) {
case OrderMode::Reverse: return {
.label = tr::lng_audio_player_reverse(tr::now),
.icon = st::mediaPlayerOrderIconReverse,
.activeIcon = st::mediaPlayerOrderIconReverseActive,
};
case OrderMode::Shuffle: return {
.label = tr::lng_audio_player_shuffle(tr::now),
.icon = st::mediaPlayerOrderIconShuffle,
.activeIcon = st::mediaPlayerOrderIconShuffleActive,
};
}
Unexpected("Order mode in addOrderAction.");
}();
menu->addAction(base::make_unique_q<Ui::Menu::Action>(
menu,
(active
? st::mediaPlayerOrderMenuActive
: st::mediaPlayerOrderMenu),
Ui::Menu::CreateAction(menu, fields.label, callback),
&(active ? fields.activeIcon : fields.icon),
&(active ? fields.activeIcon : fields.icon)));
};
addOrderAction(OrderMode::Reverse);
addOrderAction(OrderMode::Shuffle);
}
void OrderController::updateIcon() {
switch (_appOrder.current()) {
case OrderMode::Default:
_button->setIconOverride(
&st::mediaPlayerReverseDisabledIcon,
&st::mediaPlayerReverseDisabledIconOver);
_button->setRippleColorOverride(
&st::mediaPlayerRepeatDisabledRippleBg);
break;
case OrderMode::Reverse:
_button->setIconOverride(&st::mediaPlayerReverseIcon);
_button->setRippleColorOverride(nullptr);
break;
case OrderMode::Shuffle:
_button->setIconOverride(&st::mediaPlayerShuffleIcon);
_button->setRippleColorOverride(nullptr);
break;
}
}
SpeedController::SpeedController(
not_null<SpeedButton*> button,
not_null<QWidget*> menuParent,
Fn<void(bool)> menuOverCallback,
Fn<float64(bool lastNonDefault)> value,
Fn<void(float64)> change)
: WithDropdownController(
button,
menuParent,
button->st().menu.dropdown,
button->st().menuAlign,
std::move(menuOverCallback))
, _st(button->st())
, _lookup(std::move(value))
, _change(std::move(change)) {
button->setClickedCallback([=] {
toggleDefault();
save();
if (const auto current = menu()) {
current->otherEnter();
}
});
setSpeed(_lookup(false));
_speed = _lookup(true);
button->setSpeed(_speed, anim::type::instant);
_speedChanged.events_starting_with(
speed()
) | rpl::start_with_next([=](float64 speed) {
button->setSpeed(speed);
}, button->lifetime());
}
rpl::producer<> SpeedController::saved() const {
return _saved.events();
}
float64 SpeedController::speed() const {
return _isDefault ? 1. : _speed;
}
bool SpeedController::isDefault() const {
return _isDefault;
}
float64 SpeedController::lastNonDefaultSpeed() const {
return _speed;
}
void SpeedController::toggleDefault() {
_isDefault = !_isDefault;
_speedChanged.fire(speed());
}
void SpeedController::setSpeed(float64 newSpeed) {
if (!(_isDefault = EqualSpeeds(newSpeed, 1.))) {
_speed = newSpeed;
}
_speedChanged.fire(speed());
}
void SpeedController::save() {
_change(speed());
_saved.fire({});
}
void SpeedController::fillMenu(not_null<Ui::DropdownMenu*> menu) {
FillSpeedMenu(
menu->menu(),
_st.menu,
_speedChanged.events_starting_with(speed()),
[=](float64 speed) { setSpeed(speed); save(); });
}
} // namespace Media::Player