407 lines
10 KiB
C++
407 lines
10 KiB
C++
// This file is part of Desktop App Toolkit,
|
|
// a set of libraries for developing nice desktop applications.
|
|
//
|
|
// For license and copyright information please follow this link:
|
|
// https://github.com/desktop-app/legal/blob/master/LEGAL
|
|
//
|
|
#include "ui/widgets/inner_dropdown.h"
|
|
|
|
#include "ui/widgets/scroll_area.h"
|
|
#include "ui/widgets/shadow.h"
|
|
#include "ui/effects/panel_animation.h"
|
|
#include "ui/image/image_prepare.h"
|
|
#include "ui/ui_utility.h"
|
|
|
|
namespace Ui {
|
|
|
|
InnerDropdown::InnerDropdown(
|
|
QWidget *parent,
|
|
const style::InnerDropdown &st)
|
|
: RpWidget(parent)
|
|
, _st(st)
|
|
, _roundRect(ImageRoundRadius::Small, _st.bg)
|
|
, _hideTimer([=] { hideAnimated(); })
|
|
, _scroll(this, _st.scroll) {
|
|
connect(_scroll, &ScrollArea::scrolled, [=] { scrolled(); });
|
|
|
|
hide();
|
|
|
|
shownValue(
|
|
) | rpl::filter([](bool shown) {
|
|
return shown;
|
|
}) | rpl::take(1) | rpl::map([=] {
|
|
// We can't invoke this before the window is created.
|
|
// So instead we start handling them on the first show().
|
|
return macWindowDeactivateEvents();
|
|
}) | rpl::flatten_latest(
|
|
) | rpl::filter([=] {
|
|
return !isHidden();
|
|
}) | rpl::start_with_next([=] {
|
|
leaveEvent(nullptr);
|
|
}, lifetime());
|
|
}
|
|
|
|
QPointer<RpWidget> InnerDropdown::doSetOwnedWidget(
|
|
object_ptr<RpWidget> widget) {
|
|
auto result = QPointer<RpWidget>(widget);
|
|
widget->heightValue(
|
|
) | rpl::skip(1) | rpl::start_with_next([=] {
|
|
resizeToContent();
|
|
}, widget->lifetime());
|
|
auto container = _scroll->setOwnedWidget(
|
|
object_ptr<Container>(
|
|
_scroll,
|
|
std::move(widget),
|
|
_st));
|
|
container->resizeToWidth(_scroll->width());
|
|
container->moveToLeft(0, 0);
|
|
container->show();
|
|
result->show();
|
|
return result;
|
|
}
|
|
|
|
void InnerDropdown::setMaxHeight(int newMaxHeight) {
|
|
_maxHeight = newMaxHeight;
|
|
resizeToContent();
|
|
}
|
|
|
|
void InnerDropdown::resizeToContent() {
|
|
auto newWidth = _st.padding.left() + _st.scrollMargin.left() + _st.scrollMargin.right() + _st.padding.right();
|
|
auto newHeight = _st.padding.top() + _st.scrollMargin.top() + _st.scrollMargin.bottom() + _st.padding.bottom();
|
|
if (auto widget = static_cast<Container*>(_scroll->widget())) {
|
|
widget->resizeToContent();
|
|
newWidth += widget->width();
|
|
newHeight += widget->height();
|
|
}
|
|
if (_maxHeight > 0) {
|
|
accumulate_min(newHeight, _maxHeight);
|
|
}
|
|
if (newWidth != width() || newHeight != height()) {
|
|
resize(newWidth, newHeight);
|
|
update();
|
|
finishAnimating();
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::resizeEvent(QResizeEvent *e) {
|
|
_scroll->setGeometry(rect().marginsRemoved(_st.padding).marginsRemoved(_st.scrollMargin));
|
|
if (auto widget = static_cast<TWidget*>(_scroll->widget())) {
|
|
widget->resizeToWidth(_scroll->width());
|
|
scrolled();
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::scrolled() {
|
|
if (auto widget = static_cast<TWidget*>(_scroll->widget())) {
|
|
int visibleTop = _scroll->scrollTop();
|
|
int visibleBottom = visibleTop + _scroll->height();
|
|
widget->setVisibleTopBottom(visibleTop, visibleBottom);
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::paintEvent(QPaintEvent *e) {
|
|
QPainter p(this);
|
|
|
|
if (_a_show.animating()) {
|
|
if (auto opacity = _a_opacity.value(_hiding ? 0. : 1.)) {
|
|
// _a_opacity.current(ms)->opacityAnimationCallback()->_showAnimation.reset()
|
|
if (_showAnimation) {
|
|
_showAnimation->paintFrame(p, 0, 0, width(), _a_show.value(1.), opacity);
|
|
}
|
|
}
|
|
} else if (_a_opacity.animating()) {
|
|
p.setOpacity(_a_opacity.value(0.));
|
|
p.drawPixmap(0, 0, _cache);
|
|
} else if (_hiding || isHidden()) {
|
|
hideFinished();
|
|
} else if (_showAnimation) {
|
|
_showAnimation->paintFrame(p, 0, 0, width(), 1., 1.);
|
|
_showAnimation.reset();
|
|
showChildren();
|
|
} else {
|
|
if (!_cache.isNull()) _cache = QPixmap();
|
|
const auto inner = rect().marginsRemoved(_st.padding);
|
|
Shadow::paint(p, inner, width(), _st.shadow);
|
|
_roundRect.paint(p, inner);
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::enterEventHook(QEvent *e) {
|
|
if (_autoHiding) {
|
|
showAnimated(_origin);
|
|
}
|
|
return RpWidget::enterEventHook(e);
|
|
}
|
|
|
|
void InnerDropdown::leaveEventHook(QEvent *e) {
|
|
if (_autoHiding) {
|
|
if (_a_show.animating() || _a_opacity.animating()) {
|
|
hideAnimated();
|
|
} else {
|
|
_hideTimer.callOnce(300);
|
|
}
|
|
}
|
|
return RpWidget::leaveEventHook(e);
|
|
}
|
|
|
|
void InnerDropdown::otherEnter() {
|
|
if (_autoHiding) {
|
|
showAnimated(_origin);
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::otherLeave() {
|
|
if (_autoHiding) {
|
|
if (_a_show.animating() || _a_opacity.animating()) {
|
|
hideAnimated();
|
|
} else {
|
|
_hideTimer.callOnce(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::setOrigin(PanelAnimation::Origin origin) {
|
|
_origin = origin;
|
|
}
|
|
|
|
void InnerDropdown::showAnimated(PanelAnimation::Origin origin) {
|
|
setOrigin(origin);
|
|
showAnimated();
|
|
}
|
|
|
|
void InnerDropdown::showAnimated() {
|
|
_hideTimer.cancel();
|
|
showStarted();
|
|
}
|
|
|
|
void InnerDropdown::hideAnimated(HideOption option) {
|
|
if (isHidden()) return;
|
|
if (option == HideOption::IgnoreShow) {
|
|
_ignoreShowEvents = true;
|
|
}
|
|
if (_hiding) return;
|
|
|
|
_hideTimer.cancel();
|
|
startOpacityAnimation(true);
|
|
}
|
|
|
|
void InnerDropdown::finishAnimating() {
|
|
if (_a_show.animating()) {
|
|
_a_show.stop();
|
|
showAnimationCallback();
|
|
}
|
|
if (_showAnimation) {
|
|
_showAnimation.reset();
|
|
showChildren();
|
|
}
|
|
if (_a_opacity.animating()) {
|
|
_a_opacity.stop();
|
|
opacityAnimationCallback();
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::showFast() {
|
|
_hideTimer.cancel();
|
|
finishAnimating();
|
|
if (isHidden()) {
|
|
showChildren();
|
|
show();
|
|
}
|
|
_hiding = false;
|
|
}
|
|
|
|
void InnerDropdown::hideFast() {
|
|
if (isHidden()) return;
|
|
|
|
_hideTimer.cancel();
|
|
finishAnimating();
|
|
_hiding = false;
|
|
hideFinished();
|
|
}
|
|
|
|
void InnerDropdown::hideFinished() {
|
|
_a_show.stop();
|
|
_showAnimation.reset();
|
|
_cache = QPixmap();
|
|
_ignoreShowEvents = false;
|
|
if (!isHidden()) {
|
|
const auto weak = Ui::MakeWeak(this);
|
|
if (const auto onstack = _hiddenCallback) {
|
|
onstack();
|
|
}
|
|
if (weak) {
|
|
hide();
|
|
}
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::prepareCache() {
|
|
if (_a_opacity.animating()) return;
|
|
|
|
const auto animating = _a_show.animating();
|
|
auto showAnimation = base::take(_a_show);
|
|
auto showAnimationData = base::take(_showAnimation);
|
|
showChildren();
|
|
_cache = GrabWidget(this);
|
|
if (animating) {
|
|
hideChildren();
|
|
}
|
|
_showAnimation = base::take(showAnimationData);
|
|
_a_show = base::take(showAnimation);
|
|
}
|
|
|
|
void InnerDropdown::startOpacityAnimation(bool hiding) {
|
|
const auto weak = Ui::MakeWeak(this);
|
|
if (hiding) {
|
|
if (const auto onstack = _hideStartCallback) {
|
|
onstack();
|
|
}
|
|
} else if (const auto onstack = _showStartCallback) {
|
|
onstack();
|
|
}
|
|
if (!weak) {
|
|
return;
|
|
}
|
|
|
|
_hiding = false;
|
|
prepareCache();
|
|
_hiding = hiding;
|
|
hideChildren();
|
|
_a_opacity.start(
|
|
[=] { opacityAnimationCallback(); },
|
|
_hiding ? 1. : 0.,
|
|
_hiding ? 0. : 1.,
|
|
_st.duration);
|
|
}
|
|
|
|
void InnerDropdown::showStarted() {
|
|
if (_ignoreShowEvents) return;
|
|
if (isHidden()) {
|
|
show();
|
|
startShowAnimation();
|
|
return;
|
|
} else if (!_hiding) {
|
|
return;
|
|
}
|
|
startOpacityAnimation(false);
|
|
}
|
|
|
|
void InnerDropdown::startShowAnimation() {
|
|
if (_showStartCallback) {
|
|
_showStartCallback();
|
|
}
|
|
if (!_a_show.animating()) {
|
|
auto opacityAnimation = base::take(_a_opacity);
|
|
showChildren();
|
|
auto cache = grabForPanelAnimation();
|
|
_a_opacity = base::take(opacityAnimation);
|
|
|
|
const auto pixelRatio = style::DevicePixelRatio();
|
|
_showAnimation = std::make_unique<PanelAnimation>(_st.animation, _origin);
|
|
auto inner = rect().marginsRemoved(_st.padding);
|
|
_showAnimation->setFinalImage(std::move(cache), QRect(inner.topLeft() * pixelRatio, inner.size() * pixelRatio));
|
|
_showAnimation->setCornerMasks(
|
|
Images::CornersMask(ImageRoundRadius::Small));
|
|
_showAnimation->start();
|
|
}
|
|
hideChildren();
|
|
_a_show.start([this] { showAnimationCallback(); }, 0., 1., _st.showDuration);
|
|
}
|
|
|
|
QImage InnerDropdown::grabForPanelAnimation() {
|
|
SendPendingMoveResizeEvents(this);
|
|
const auto pixelRatio = style::DevicePixelRatio();
|
|
auto result = QImage(size() * pixelRatio, QImage::Format_ARGB32_Premultiplied);
|
|
result.setDevicePixelRatio(pixelRatio);
|
|
result.fill(Qt::transparent);
|
|
{
|
|
QPainter p(&result);
|
|
_roundRect.paint(p, rect().marginsRemoved(_st.padding));
|
|
for (const auto child : children()) {
|
|
if (const auto widget = qobject_cast<QWidget*>(child)) {
|
|
RenderWidget(p, widget, widget->pos());
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void InnerDropdown::opacityAnimationCallback() {
|
|
update();
|
|
if (!_a_opacity.animating()) {
|
|
if (_hiding) {
|
|
_hiding = false;
|
|
hideFinished();
|
|
} else if (!_a_show.animating()) {
|
|
showChildren();
|
|
}
|
|
}
|
|
}
|
|
|
|
void InnerDropdown::showAnimationCallback() {
|
|
update();
|
|
}
|
|
|
|
bool InnerDropdown::eventFilter(QObject *obj, QEvent *e) {
|
|
if (e->type() == QEvent::Enter) {
|
|
otherEnter();
|
|
} else if (e->type() == QEvent::Leave) {
|
|
otherLeave();
|
|
} else if (e->type() == QEvent::MouseButtonRelease && static_cast<QMouseEvent*>(e)->button() == Qt::LeftButton) {
|
|
if (isHidden() || _hiding) {
|
|
otherEnter();
|
|
} else {
|
|
otherLeave();
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int InnerDropdown::resizeGetHeight(int newWidth) {
|
|
auto newHeight = _st.padding.top() + _st.scrollMargin.top() + _st.scrollMargin.bottom() + _st.padding.bottom();
|
|
if (auto widget = static_cast<TWidget*>(_scroll->widget())) {
|
|
auto containerWidth = newWidth - _st.padding.left() - _st.padding.right() - _st.scrollMargin.left() - _st.scrollMargin.right();
|
|
widget->resizeToWidth(containerWidth);
|
|
newHeight += widget->height();
|
|
}
|
|
if (_maxHeight > 0) {
|
|
accumulate_min(newHeight, _maxHeight);
|
|
}
|
|
return newHeight;
|
|
}
|
|
|
|
InnerDropdown::Container::Container(QWidget *parent, object_ptr<TWidget> child, const style::InnerDropdown &st) : TWidget(parent)
|
|
, _child(std::move(child))
|
|
, _st(st) {
|
|
_child->setParent(this);
|
|
_child->moveToLeft(_st.scrollPadding.left(), _st.scrollPadding.top());
|
|
}
|
|
|
|
void InnerDropdown::Container::visibleTopBottomUpdated(
|
|
int visibleTop,
|
|
int visibleBottom) {
|
|
setChildVisibleTopBottom(_child, visibleTop, visibleBottom);
|
|
}
|
|
|
|
void InnerDropdown::Container::resizeToContent() {
|
|
auto newWidth = _st.scrollPadding.left() + _st.scrollPadding.right();
|
|
auto newHeight = _st.scrollPadding.top() + _st.scrollPadding.bottom();
|
|
if (auto child = static_cast<TWidget*>(children().front())) {
|
|
newWidth += child->width();
|
|
newHeight += child->height();
|
|
}
|
|
if (newWidth != width() || newHeight != height()) {
|
|
resize(newWidth, newHeight);
|
|
}
|
|
}
|
|
|
|
int InnerDropdown::Container::resizeGetHeight(int newWidth) {
|
|
auto innerWidth = newWidth - _st.scrollPadding.left() - _st.scrollPadding.right();
|
|
auto result = _st.scrollPadding.top() + _st.scrollPadding.bottom();
|
|
_child->resizeToWidth(innerWidth);
|
|
_child->moveToLeft(_st.scrollPadding.left(), _st.scrollPadding.top());
|
|
result += _child->height();
|
|
return result;
|
|
}
|
|
|
|
} // namespace Ui
|