676 lines
18 KiB
C++
676 lines
18 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "ui/widgets/buttons.h"
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#include "ui/effects/ripple_animation.h"
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#include "ui/effects/cross_animation.h"
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#include "ui/effects/numbers_animation.h"
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#include "ui/image/image_prepare.h"
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#include "window/themes/window_theme.h"
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#include "lang/lang_instance.h"
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namespace Ui {
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LinkButton::LinkButton(
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QWidget *parent,
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const QString &text,
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const style::LinkButton &st)
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: AbstractButton(parent)
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, _st(st)
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, _text(text)
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, _textWidth(st.font->width(_text)) {
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resize(
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naturalWidth(),
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_st.padding.top() + _st.font->height + _st.padding.bottom());
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setCursor(style::cur_pointer);
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}
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int LinkButton::naturalWidth() const {
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return _st.padding.left() + _textWidth + _st.padding.right();
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}
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void LinkButton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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const auto &font = (isOver() ? _st.overFont : _st.font);
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const auto pen = _textFgOverride.has_value()
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? QPen(*_textFgOverride)
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: isOver()
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? _st.overColor
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: _st.color;
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p.setFont(font);
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p.setPen(pen);
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const auto left = _st.padding.left();
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const auto top = _st.padding.top() + font->ascent;
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if (width() < naturalWidth()) {
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const auto available = width() - left - _st.padding.right();
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p.drawText(left, top, font->elided(_text, available));
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} else {
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p.drawText(left, top, _text);
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}
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}
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void LinkButton::setText(const QString &text) {
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_text = text;
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_textWidth = _st.font->width(_text);
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resize(naturalWidth(), _st.font->height);
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update();
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}
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void LinkButton::setColorOverride(std::optional<QColor> textFg) {
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_textFgOverride = textFg;
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update();
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}
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void LinkButton::onStateChanged(State was, StateChangeSource source) {
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update();
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}
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RippleButton::RippleButton(QWidget *parent, const style::RippleAnimation &st)
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: AbstractButton(parent)
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, _st(st) {
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}
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void RippleButton::clearState() {
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AbstractButton::clearState();
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if (_ripple) {
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_ripple.reset();
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update();
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}
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}
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void RippleButton::setForceRippled(
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bool rippled,
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anim::type animated) {
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if (_forceRippled != rippled) {
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_forceRippled = rippled;
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if (_forceRippled) {
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_forceRippledSubscription = base::ObservableViewer(
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*Window::Theme::Background()
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) | rpl::start_with_next([=](
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const Window::Theme::BackgroundUpdate &update) {
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if (update.paletteChanged() && _ripple) {
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_ripple->forceRepaint();
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}
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});
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ensureRipple();
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if (_ripple->empty()) {
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_ripple->addFading();
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} else {
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_ripple->lastUnstop();
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}
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} else {
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if (_ripple) {
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_ripple->lastStop();
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}
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_forceRippledSubscription.destroy();
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}
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}
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if (animated == anim::type::instant && _ripple) {
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_ripple->lastFinish();
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}
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update();
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}
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void RippleButton::paintRipple(QPainter &p, int x, int y, TimeMs ms, const QColor *colorOverride) {
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if (_ripple) {
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_ripple->paint(p, x, y, width(), ms, colorOverride);
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if (_ripple->empty()) {
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_ripple.reset();
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}
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}
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}
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void RippleButton::onStateChanged(State was, StateChangeSource source) {
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update();
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auto wasDown = static_cast<bool>(was & StateFlag::Down);
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auto down = isDown();
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if (!_st.showDuration || down == wasDown || _forceRippled) {
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return;
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}
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if (down && (source == StateChangeSource::ByPress)) {
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// Start a ripple only from mouse press.
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auto position = prepareRippleStartPosition();
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if (position != DisabledRippleStartPosition()) {
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ensureRipple();
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_ripple->add(position);
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}
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} else if (!down && _ripple) {
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// Finish ripple anyway.
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_ripple->lastStop();
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}
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}
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void RippleButton::ensureRipple() {
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if (!_ripple) {
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_ripple = std::make_unique<RippleAnimation>(_st, prepareRippleMask(), [this] { update(); });
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}
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}
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QImage RippleButton::prepareRippleMask() const {
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return RippleAnimation::rectMask(size());
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}
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QPoint RippleButton::prepareRippleStartPosition() const {
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return mapFromGlobal(QCursor::pos());
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}
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RippleButton::~RippleButton() = default;
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FlatButton::FlatButton(QWidget *parent, const QString &text, const style::FlatButton &st) : RippleButton(parent, st.ripple)
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, _text(text)
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, _st(st) {
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if (_st.width < 0) {
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_width = textWidth() - _st.width;
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} else if (!_st.width) {
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_width = textWidth() + _st.height - _st.font->height;
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} else {
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_width = _st.width;
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}
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resize(_width, _st.height);
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}
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void FlatButton::setText(const QString &text) {
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_text = text;
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update();
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}
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void FlatButton::setWidth(int32 w) {
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_width = w;
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if (_width < 0) {
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_width = textWidth() - _st.width;
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} else if (!_width) {
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_width = textWidth() + _st.height - _st.font->height;
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}
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resize(_width, height());
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}
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int32 FlatButton::textWidth() const {
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return _st.font->width(_text);
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}
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void FlatButton::onStateChanged(State was, StateChangeSource source) {
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RippleButton::onStateChanged(was, source);
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update();
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}
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void FlatButton::paintEvent(QPaintEvent *e) {
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QPainter p(this);
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QRect r(0, height() - _st.height, width(), _st.height);
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p.fillRect(r, isOver() ? _st.overBgColor : _st.bgColor);
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paintRipple(p, 0, 0, getms());
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p.setFont(isOver() ? _st.overFont : _st.font);
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p.setRenderHint(QPainter::TextAntialiasing);
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p.setPen(isOver() ? _st.overColor : _st.color);
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r.setTop(_st.textTop);
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p.drawText(r, _text, style::al_top);
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}
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RoundButton::RoundButton(QWidget *parent, Fn<QString()> textFactory, const style::RoundButton &st) : RippleButton(parent, st.ripple)
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, _textFactory(std::move(textFactory))
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, _st(st) {
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subscribe(Lang::Current().updated(), [this] { refreshText(); });
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refreshText();
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}
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void RoundButton::setTextTransform(TextTransform transform) {
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_transform = transform;
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refreshText();
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}
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void RoundButton::setText(Fn<QString()> textFactory) {
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_textFactory = std::move(textFactory);
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refreshText();
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}
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void RoundButton::setNumbersText(const QString &numbersText, int numbers) {
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if (numbersText.isEmpty()) {
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_numbers.reset();
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} else {
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if (!_numbers) {
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_numbers = std::make_unique<NumbersAnimation>(_st.font, [this] {
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numbersAnimationCallback();
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});
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}
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_numbers->setText(numbersText, numbers);
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}
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refreshText();
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}
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void RoundButton::setWidthChangedCallback(Fn<void()> callback) {
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if (!_numbers) {
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_numbers = std::make_unique<NumbersAnimation>(_st.font, [this] {
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numbersAnimationCallback();
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});
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}
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_numbers->setWidthChangedCallback(std::move(callback));
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}
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void RoundButton::stepNumbersAnimation(TimeMs ms) {
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if (_numbers) {
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_numbers->stepAnimation(ms);
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}
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}
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void RoundButton::finishNumbersAnimation() {
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if (_numbers) {
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_numbers->finishAnimating();
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}
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}
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void RoundButton::numbersAnimationCallback() {
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resizeToText();
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update();
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}
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void RoundButton::setFullWidth(int newFullWidth) {
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_fullWidthOverride = newFullWidth;
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refreshText();
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}
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void RoundButton::setFullRadius(bool enabled) {
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_fullRadius = enabled;
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update();
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}
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void RoundButton::refreshText() {
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_text = computeFullText();
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_textWidth = _text.isEmpty() ? 0 : _st.font->width(_text);
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resizeToText();
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update();
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}
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QString RoundButton::computeFullText() const {
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auto result = _textFactory ? _textFactory() : QString();
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return (_transform == TextTransform::ToUpper) ? result.toUpper() : result;
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}
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void RoundButton::resizeToText() {
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int innerWidth = contentWidth();
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if (_fullWidthOverride > 0) {
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if (_fullWidthOverride < innerWidth + (_st.height - _st.font->height)) {
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_text = _st.font->elided(computeFullText(), qMax(_fullWidthOverride - (_st.height - _st.font->height), 1));
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_textWidth = _st.font->width(_text);
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}
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resize(_fullWidthOverride, _st.height + _st.padding.top() + _st.padding.bottom());
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} else if (_fullWidthOverride < 0) {
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resize(innerWidth - _fullWidthOverride, _st.height + _st.padding.top() + _st.padding.bottom());
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} else if (_st.width <= 0) {
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resize(innerWidth - _st.width + _st.padding.left() + _st.padding.right(), _st.height + _st.padding.top() + _st.padding.bottom());
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} else {
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if (_st.width < innerWidth + (_st.height - _st.font->height)) {
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_text = _st.font->elided(computeFullText(), qMax(_st.width - (_st.height - _st.font->height), 1));
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_textWidth = _st.font->width(_text);
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}
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resize(_st.width + _st.padding.left() + _st.padding.right(), _st.height + _st.padding.top() + _st.padding.bottom());
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}
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}
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int RoundButton::contentWidth() const {
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auto result = _textWidth;
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if (_numbers) {
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result += (result ? _st.numbersSkip : 0) + _numbers->countWidth();
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}
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if (!_st.icon.empty() && _st.iconPosition.x() < 0) {
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result += _st.icon.width() - _st.iconPosition.x();
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}
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return result;
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}
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void RoundButton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto innerWidth = contentWidth();
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auto rounded = rect().marginsRemoved(_st.padding);
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if (_fullWidthOverride < 0) {
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rounded = QRect(0, rounded.top(), innerWidth - _fullWidthOverride, rounded.height());
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}
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const auto drawRect = [&](const style::color &color) {
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const auto fill = myrtlrect(rounded);
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if (_fullRadius) {
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const auto radius = rounded.height() / 2;
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PainterHighQualityEnabler hq(p);
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p.setPen(Qt::NoPen);
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p.setBrush(color);
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p.drawRoundedRect(fill, radius, radius);
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} else {
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App::roundRect(p, fill, color, ImageRoundRadius::Small);
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}
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};
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drawRect(_st.textBg);
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auto over = isOver();
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auto down = isDown();
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if (over || down) {
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drawRect(_st.textBgOver);
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}
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auto ms = getms();
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paintRipple(p, rounded.x(), rounded.y(), ms);
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p.setFont(_st.font);
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const auto textTop = _st.padding.top() + _st.textTop;
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auto textLeft = _st.padding.left()
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+ ((width()
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- innerWidth
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- _st.padding.left()
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- _st.padding.right()) / 2);
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if (_fullWidthOverride < 0) {
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textLeft = -_fullWidthOverride / 2;
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}
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if (!_st.icon.empty() && _st.iconPosition.x() < 0) {
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textLeft += _st.icon.width() - _st.iconPosition.x();
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}
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const auto iconLeft = (_st.iconPosition.x() >= 0)
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? _st.iconPosition.x()
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: (textLeft + _st.iconPosition.x() - _st.icon.width());
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const auto iconTop = (_st.iconPosition.y() >= 0)
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? _st.iconPosition.y()
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: (textTop + _st.iconPosition.y());
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if (!_text.isEmpty()) {
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p.setPen((over || down) ? _st.textFgOver : _st.textFg);
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p.drawTextLeft(textLeft, textTop, width(), _text);
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}
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if (_numbers) {
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textLeft += _textWidth + (_textWidth ? _st.numbersSkip : 0);
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p.setPen((over || down) ? _st.numbersTextFgOver : _st.numbersTextFg);
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_numbers->paint(p, textLeft, textTop, width());
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}
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if (!_st.icon.empty()) {
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_st.icon.paint(p, QPoint(iconLeft, iconTop), width());
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}
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}
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QImage RoundButton::prepareRippleMask() const {
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auto innerWidth = contentWidth();
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auto rounded = rtlrect(rect().marginsRemoved(_st.padding), width());
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if (_fullWidthOverride < 0) {
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rounded = QRect(0, rounded.top(), innerWidth - _fullWidthOverride, rounded.height());
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}
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return RippleAnimation::roundRectMask(
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rounded.size(),
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_fullRadius ? (rounded.height() / 2) : st::buttonRadius);
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}
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QPoint RoundButton::prepareRippleStartPosition() const {
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return mapFromGlobal(QCursor::pos()) - QPoint(_st.padding.left(), _st.padding.top());
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}
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RoundButton::~RoundButton() = default;
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IconButton::IconButton(QWidget *parent, const style::IconButton &st) : RippleButton(parent, st.ripple)
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, _st(st) {
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resize(_st.width, _st.height);
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}
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void IconButton::setIconOverride(const style::icon *iconOverride, const style::icon *iconOverOverride) {
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_iconOverride = iconOverride;
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_iconOverrideOver = iconOverOverride;
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update();
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}
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void IconButton::setRippleColorOverride(const style::color *colorOverride) {
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_rippleColorOverride = colorOverride;
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}
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void IconButton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto ms = getms();
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paintRipple(p, _st.rippleAreaPosition.x(), _st.rippleAreaPosition.y(), ms, _rippleColorOverride ? &(*_rippleColorOverride)->c : nullptr);
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auto down = isDown();
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auto overIconOpacity = (down || forceRippled()) ? 1. : _a_over.current(getms(), isOver() ? 1. : 0.);
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auto overIcon = [this] {
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if (_iconOverrideOver) {
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return _iconOverrideOver;
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} else if (!_st.iconOver.empty()) {
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return &_st.iconOver;
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} else if (_iconOverride) {
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return _iconOverride;
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}
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return &_st.icon;
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};
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auto justIcon = [this] {
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if (_iconOverride) {
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return _iconOverride;
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}
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return &_st.icon;
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};
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auto icon = (overIconOpacity == 1.) ? overIcon() : justIcon();
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auto position = _st.iconPosition;
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if (position.x() < 0) {
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position.setX((width() - icon->width()) / 2);
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}
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if (position.y() < 0) {
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position.setY((height() - icon->height()) / 2);
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}
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icon->paint(p, position, width());
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if (overIconOpacity > 0. && overIconOpacity < 1.) {
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auto iconOver = overIcon();
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if (iconOver != icon) {
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p.setOpacity(overIconOpacity);
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iconOver->paint(p, position, width());
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}
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}
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}
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void IconButton::onStateChanged(State was, StateChangeSource source) {
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RippleButton::onStateChanged(was, source);
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auto over = isOver();
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auto wasOver = static_cast<bool>(was & StateFlag::Over);
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if (over != wasOver) {
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if (_st.duration) {
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auto from = over ? 0. : 1.;
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auto to = over ? 1. : 0.;
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_a_over.start([this] { update(); }, from, to, _st.duration);
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} else {
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update();
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}
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}
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}
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QPoint IconButton::prepareRippleStartPosition() const {
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auto result = mapFromGlobal(QCursor::pos())
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- _st.rippleAreaPosition;
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auto rect = QRect(0, 0, _st.rippleAreaSize, _st.rippleAreaSize);
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return rect.contains(result)
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? result
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: DisabledRippleStartPosition();
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}
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QImage IconButton::prepareRippleMask() const {
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return RippleAnimation::ellipseMask(QSize(_st.rippleAreaSize, _st.rippleAreaSize));
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}
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LeftOutlineButton::LeftOutlineButton(QWidget *parent, const QString &text, const style::OutlineButton &st) : RippleButton(parent, st.ripple)
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, _text(text)
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, _fullText(text)
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, _textWidth(st.font->width(_text))
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, _fullTextWidth(_textWidth)
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, _st(st) {
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resizeToWidth(_textWidth + _st.padding.left() + _st.padding.right());
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setCursor(style::cur_pointer);
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}
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void LeftOutlineButton::setText(const QString &text) {
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_text = text;
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_fullText = text;
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_fullTextWidth = _textWidth = _st.font->width(_text);
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resizeToWidth(width());
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update();
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}
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int LeftOutlineButton::resizeGetHeight(int newWidth) {
|
|
int availableWidth = qMax(newWidth - _st.padding.left() - _st.padding.right(), 1);
|
|
if ((availableWidth < _fullTextWidth) || (_textWidth < availableWidth)) {
|
|
_text = _st.font->elided(_fullText, availableWidth);
|
|
_textWidth = _st.font->width(_text);
|
|
}
|
|
return _st.padding.top() + _st.font->height + _st.padding.bottom();
|
|
}
|
|
|
|
void LeftOutlineButton::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
|
|
auto over = isOver();
|
|
auto down = isDown();
|
|
if (width() > _st.outlineWidth) {
|
|
p.fillRect(rtlrect(_st.outlineWidth, 0, width() - _st.outlineWidth, height(), width()), (over || down) ? _st.textBgOver : _st.textBg);
|
|
paintRipple(p, 0, 0, getms());
|
|
p.fillRect(rtlrect(0, 0, _st.outlineWidth, height(), width()), (over || down) ? _st.outlineFgOver : _st.outlineFg);
|
|
}
|
|
p.setFont(_st.font);
|
|
p.setPen((over || down) ? _st.textFgOver : _st.textFg);
|
|
p.drawTextLeft(_st.padding.left(), _st.padding.top(), width(), _text, _textWidth);
|
|
}
|
|
|
|
CrossButton::CrossButton(QWidget *parent, const style::CrossButton &st) : RippleButton(parent, st.ripple)
|
|
, _st(st)
|
|
, _a_loading(animation(this, &CrossButton::step_loading)) {
|
|
resize(_st.width, _st.height);
|
|
setCursor(style::cur_pointer);
|
|
setVisible(false);
|
|
}
|
|
|
|
void CrossButton::step_loading(TimeMs ms, bool timer) {
|
|
if (stopLoadingAnimation(ms)) {
|
|
_a_loading.stop();
|
|
update();
|
|
} else if (timer && !anim::Disabled()) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
void CrossButton::toggle(bool visible, anim::type animated) {
|
|
if (_shown != visible) {
|
|
_shown = visible;
|
|
if (animated == anim::type::normal) {
|
|
if (isHidden()) {
|
|
setVisible(true);
|
|
}
|
|
_a_show.start(
|
|
[this] { animationCallback(); },
|
|
_shown ? 0. : 1.,
|
|
_shown ? 1. : 0.,
|
|
_st.duration);
|
|
}
|
|
}
|
|
if (animated == anim::type::instant) {
|
|
finishAnimating();
|
|
}
|
|
}
|
|
|
|
void CrossButton::animationCallback() {
|
|
update();
|
|
if (!_a_show.animating()) {
|
|
setVisible(_shown);
|
|
}
|
|
}
|
|
|
|
void CrossButton::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
|
|
auto ms = getms();
|
|
auto over = isOver();
|
|
auto shown = _a_show.current(ms, _shown ? 1. : 0.);
|
|
p.setOpacity(shown);
|
|
|
|
paintRipple(p, _st.crossPosition.x(), _st.crossPosition.y(), ms);
|
|
|
|
auto loading = 0.;
|
|
if (_a_loading.animating()) {
|
|
if (stopLoadingAnimation(ms)) {
|
|
_a_loading.stop();
|
|
} else if (anim::Disabled()) {
|
|
CrossAnimation::paintStaticLoading(
|
|
p,
|
|
_st.cross,
|
|
over ? _st.crossFgOver : _st.crossFg,
|
|
_st.crossPosition.x(),
|
|
_st.crossPosition.y(),
|
|
width(),
|
|
shown);
|
|
return;
|
|
} else {
|
|
loading = ((ms - _loadingStartMs) % _st.loadingPeriod)
|
|
/ float64(_st.loadingPeriod);
|
|
}
|
|
}
|
|
CrossAnimation::paint(
|
|
p,
|
|
_st.cross,
|
|
over ? _st.crossFgOver : _st.crossFg,
|
|
_st.crossPosition.x(),
|
|
_st.crossPosition.y(),
|
|
width(),
|
|
shown,
|
|
loading);
|
|
}
|
|
|
|
bool CrossButton::stopLoadingAnimation(TimeMs ms) {
|
|
if (!_loadingStopMs) {
|
|
return false;
|
|
}
|
|
auto stopPeriod = (_loadingStopMs - _loadingStartMs) / _st.loadingPeriod;
|
|
auto currentPeriod = (ms - _loadingStartMs) / _st.loadingPeriod;
|
|
if (currentPeriod != stopPeriod) {
|
|
Assert(currentPeriod > stopPeriod);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void CrossButton::setLoadingAnimation(bool enabled) {
|
|
if (enabled) {
|
|
_loadingStopMs = 0;
|
|
if (!_a_loading.animating()) {
|
|
_loadingStartMs = getms();
|
|
_a_loading.start();
|
|
}
|
|
} else if (_a_loading.animating()) {
|
|
_loadingStopMs = getms();
|
|
if (!((_loadingStopMs - _loadingStartMs) % _st.loadingPeriod)) {
|
|
_a_loading.stop();
|
|
}
|
|
}
|
|
if (anim::Disabled()) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
void CrossButton::onStateChanged(State was, StateChangeSource source) {
|
|
RippleButton::onStateChanged(was, source);
|
|
|
|
auto over = isOver();
|
|
auto wasOver = static_cast<bool>(was & StateFlag::Over);
|
|
if (over != wasOver) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
QPoint CrossButton::prepareRippleStartPosition() const {
|
|
return mapFromGlobal(QCursor::pos()) - _st.crossPosition;
|
|
}
|
|
|
|
QImage CrossButton::prepareRippleMask() const {
|
|
return RippleAnimation::ellipseMask(QSize(_st.cross.size, _st.cross.size));
|
|
}
|
|
|
|
} // namespace Ui
|