729 lines
20 KiB
C++
729 lines
20 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/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 "lang/lang_instance.h"
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namespace Ui {
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LinkButton::LinkButton(QWidget *parent, const QString &text, const style::LinkButton &st) : AbstractButton(parent)
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, _text(text)
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, _textWidth(st.font->width(_text))
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, _st(st) {
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resize(_textWidth, _st.font->height);
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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 _textWidth;
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}
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void LinkButton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto &font = (isOver() ? _st.overFont : _st.font);
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auto &pen = (isOver() ? _st.overColor : _st.color);
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p.setFont(font);
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p.setPen(pen);
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if (_textWidth > width()) {
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p.drawText(0, font->ascent, font->elided(_text, width()));
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} else {
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p.drawText(0, font->ascent, _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(_textWidth, _st.font->height);
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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) : AbstractButton(parent)
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, _st(st) {
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}
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void RippleButton::setForceRippled(bool rippled, SetForceRippledWay way) {
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if (_forceRippled != rippled) {
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_forceRippled = rippled;
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if (_forceRippled) {
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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 if (_ripple) {
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_ripple->lastStop();
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}
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}
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if (way == SetForceRippledWay::SkipAnimation && _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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void RippleButton::resetRipples() {
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_ripple.reset();
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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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class RoundButton::Numbers {
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public:
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Numbers(const style::RoundButton &st, base::lambda<void()> animationCallback);
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void setWidthChangedCallback(base::lambda<void()> callback) {
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_widthChangedCallback = std::move(callback);
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}
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void setText(const QString &text, int value);
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void stepAnimation(TimeMs ms);
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void finishAnimation();
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void paint(Painter &p, int x, int y, int outerWidth);
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int countWidth() const;
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private:
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struct Digit {
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QChar from = 0;
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QChar to = 0;
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int fromWidth = 0;
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int toWidth = 0;
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};
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void animationCallback();
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void realSetText(QString text, int value);
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const style::RoundButton &_st;
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QList<Digit> _digits;
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int _digitWidth = 0;
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int _fromWidth = 0;
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int _toWidth = 0;
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Animation _a_ready;
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QString _delayedText;
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int _delayedValue = 0;
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int _value = 0;
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bool _growing = false;
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base::lambda<void()> _animationCallback;
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base::lambda<void()> _widthChangedCallback;
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};
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RoundButton::Numbers::Numbers(const style::RoundButton &st, base::lambda<void()> animationCallback)
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: _st(st)
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, _animationCallback(std::move(animationCallback)) {
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for (auto ch = '0'; ch != '9'; ++ch) {
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accumulate_max(_digitWidth, _st.font->m.width(ch));
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}
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}
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void RoundButton::Numbers::setText(const QString &text, int value) {
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if (_a_ready.animating(getms())) {
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_delayedText = text;
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_delayedValue = value;
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} else {
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realSetText(text, value);
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}
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}
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void RoundButton::Numbers::animationCallback() {
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if (_animationCallback) {
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_animationCallback();
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}
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if (_widthChangedCallback) {
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_widthChangedCallback();
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}
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if (!_a_ready.animating()) {
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if (!_delayedText.isEmpty()) {
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setText(_delayedText, _delayedValue);
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}
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}
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}
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void RoundButton::Numbers::realSetText(QString text, int value) {
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_delayedText = QString();
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_delayedValue = 0;
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_growing = (value > _value);
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_value = value;
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auto newSize = text.size();
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while (_digits.size() < newSize) {
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_digits.push_front(Digit());
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}
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while (_digits.size() > newSize && !_digits.front().to.unicode()) {
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_digits.pop_front();
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}
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auto oldSize = _digits.size();
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auto animating = false;
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for (auto i = 0, size = _digits.size(); i != size; ++i) {
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auto &digit = _digits[i];
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digit.from = digit.to;
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digit.fromWidth = digit.toWidth;
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digit.to = (newSize + i < size) ? QChar(0) : text[newSize + i - size];
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digit.toWidth = digit.to.unicode() ? _st.font->m.width(digit.to) : 0;
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if (digit.from != digit.to) {
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animating = true;
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}
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if (!digit.from.unicode()) {
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--oldSize;
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}
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}
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_fromWidth = oldSize * _digitWidth;
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_toWidth = newSize * _digitWidth;
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if (animating) {
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_a_ready.start([this] { animationCallback(); }, 0., 1., _st.numbersDuration);
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}
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}
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int RoundButton::Numbers::countWidth() const {
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return anim::interpolate(_fromWidth, _toWidth, anim::easeOutCirc(1., _a_ready.current(1.)));
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}
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void RoundButton::Numbers::stepAnimation(TimeMs ms) {
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_a_ready.step(ms);
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}
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void RoundButton::Numbers::finishAnimation() {
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auto width = countWidth();
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_a_ready.finish();
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if (_widthChangedCallback && countWidth() != width) {
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_widthChangedCallback();
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}
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if (!_delayedText.isEmpty()) {
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setText(_delayedText, _delayedValue);
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}
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}
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void RoundButton::Numbers::paint(Painter &p, int x, int y, int outerWidth) {
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auto digitsCount = _digits.size();
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if (!digitsCount) return;
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auto progress = anim::easeOutCirc(1., _a_ready.current(1.));
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auto width = anim::interpolate(_fromWidth, _toWidth, progress);
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QString singleChar('0');
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if (rtl()) x = outerWidth - x - width;
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x += width - _digits.size() * _digitWidth;
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auto fromTop = anim::interpolate(0, _st.font->height, progress) * (_growing ? 1 : -1);
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auto toTop = anim::interpolate(_st.font->height, 0, progress) * (_growing ? -1 : 1);
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for (auto i = 0; i != digitsCount; ++i) {
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auto &digit = _digits[i];
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auto from = digit.from;
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auto to = digit.to;
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if (from.unicode()) {
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p.setOpacity(1. - progress);
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singleChar[0] = from;
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p.drawText(x + (_digitWidth - digit.fromWidth) / 2, y + fromTop + _st.font->ascent, singleChar);
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}
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if (to.unicode()) {
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p.setOpacity(progress);
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singleChar[0] = to;
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p.drawText(x + (_digitWidth - digit.toWidth) / 2, y + toTop + _st.font->ascent, singleChar);
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}
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x += _digitWidth;
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}
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p.setOpacity(1.);
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}
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RoundButton::RoundButton(QWidget *parent, base::lambda<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(base::lambda<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<Numbers>(_st, [this] { numbersAnimationCallback(); });
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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(base::lambda<void()> callback) {
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if (!_numbers) {
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_numbers = std::make_unique<Numbers>(_st, [this] { numbersAnimationCallback(); });
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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->finishAnimation();
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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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resizeToText();
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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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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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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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App::roundRect(p, myrtlrect(rounded), _st.textBg, ImageRoundRadius::Small);
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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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App::roundRect(p, myrtlrect(rounded), _st.textBgOver, ImageRoundRadius::Small);
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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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int textLeft = _st.padding.left() + ((width() - innerWidth - _st.padding.left() - _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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int textTop = _st.padding.top() + _st.textTop;
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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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_st.icon.paint(p, QPoint(_st.padding.left(), _st.padding.top()), width());
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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(rounded.size(), 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);
|
|
|
|
auto down = isDown();
|
|
auto overIconOpacity = (down || forceRippled()) ? 1. : _a_over.current(getms(), isOver() ? 1. : 0.);
|
|
auto overIcon = [this] {
|
|
if (_iconOverrideOver) {
|
|
return _iconOverrideOver;
|
|
} else if (!_st.iconOver.empty()) {
|
|
return &_st.iconOver;
|
|
} else if (_iconOverride) {
|
|
return _iconOverride;
|
|
}
|
|
return &_st.icon;
|
|
};
|
|
auto justIcon = [this] {
|
|
if (_iconOverride) {
|
|
return _iconOverride;
|
|
}
|
|
return &_st.icon;
|
|
};
|
|
auto icon = (overIconOpacity == 1.) ? overIcon() : justIcon();
|
|
auto position = _st.iconPosition;
|
|
if (position.x() < 0) {
|
|
position.setX((width() - icon->width()) / 2);
|
|
}
|
|
if (position.y() < 0) {
|
|
position.setY((height() - icon->height()) / 2);
|
|
}
|
|
icon->paint(p, position, width());
|
|
if (overIconOpacity > 0. && overIconOpacity < 1.) {
|
|
auto iconOver = overIcon();
|
|
if (iconOver != icon) {
|
|
p.setOpacity(overIconOpacity);
|
|
iconOver->paint(p, position, width());
|
|
}
|
|
}
|
|
}
|
|
|
|
void IconButton::onStateChanged(State was, StateChangeSource source) {
|
|
RippleButton::onStateChanged(was, source);
|
|
|
|
auto over = isOver();
|
|
auto wasOver = static_cast<bool>(was & StateFlag::Over);
|
|
if (over != wasOver) {
|
|
if (_st.duration) {
|
|
auto from = over ? 0. : 1.;
|
|
auto to = over ? 1. : 0.;
|
|
_a_over.start([this] { update(); }, from, to, _st.duration);
|
|
} else {
|
|
update();
|
|
}
|
|
}
|
|
}
|
|
|
|
QPoint IconButton::prepareRippleStartPosition() const {
|
|
return mapFromGlobal(QCursor::pos()) - _st.rippleAreaPosition;
|
|
}
|
|
|
|
QImage IconButton::prepareRippleMask() const {
|
|
return RippleAnimation::ellipseMask(QSize(_st.rippleAreaSize, _st.rippleAreaSize));
|
|
}
|
|
|
|
LeftOutlineButton::LeftOutlineButton(QWidget *parent, const QString &text, const style::OutlineButton &st) : RippleButton(parent, st.ripple)
|
|
, _text(text)
|
|
, _fullText(text)
|
|
, _textWidth(st.font->width(_text))
|
|
, _fullTextWidth(_textWidth)
|
|
, _st(st) {
|
|
resizeToWidth(_textWidth + _st.padding.left() + _st.padding.right());
|
|
|
|
setCursor(style::cur_pointer);
|
|
}
|
|
|
|
void LeftOutlineButton::setText(const QString &text) {
|
|
_text = text;
|
|
_fullText = text;
|
|
_fullTextWidth = _textWidth = _st.font->width(_text);
|
|
resizeToWidth(width());
|
|
update();
|
|
}
|
|
|
|
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);
|
|
hide();
|
|
}
|
|
|
|
void CrossButton::step_loading(TimeMs ms, bool timer) {
|
|
if (stopLoadingAnimation(ms)) {
|
|
_a_loading.stop();
|
|
}
|
|
if (timer) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
void CrossButton::toggleAnimated(bool visible) {
|
|
if (_shown == visible) {
|
|
return;
|
|
}
|
|
_shown = visible;
|
|
if (isHidden()) {
|
|
show();
|
|
}
|
|
_a_show.start([this] { animationCallback(); }, _shown ? 0. : 1., _shown ? 1. : 0., _st.duration);
|
|
}
|
|
|
|
void CrossButton::animationCallback() {
|
|
update();
|
|
if (!_shown && !_a_show.animating()) {
|
|
hide();
|
|
}
|
|
}
|
|
|
|
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 {
|
|
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();
|
|
}
|
|
}
|
|
}
|
|
|
|
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
|