419 lines
12 KiB
C++
419 lines
12 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) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "ui/widgets/checkbox.h"
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#include "lang.h"
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namespace Ui {
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namespace {
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class RadiobuttonGroup : public QMap<Radiobutton*, bool> {
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using Parent = QMap<Radiobutton*, bool>;
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public:
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RadiobuttonGroup(const QString &name) : _name(name) {
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}
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void remove(Radiobutton * const &radio);
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int32 val() const {
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return _val;
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}
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void setVal(int32 val) {
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_val = val;
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}
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private:
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QString _name;
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int _val = 0;
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};
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class Radiobuttons : public QMap<QString, RadiobuttonGroup*> {
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using Parent = QMap<QString, RadiobuttonGroup*>;
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public:
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RadiobuttonGroup *reg(const QString &group) {
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typename Parent::const_iterator i = Parent::constFind(group);
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if (i == Parent::cend()) {
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i = Parent::insert(group, new RadiobuttonGroup(group));
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}
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return i.value();
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}
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int remove(const QString &group) {
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typename Parent::iterator i = Parent::find(group);
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if (i != Parent::cend()) {
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delete i.value();
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Parent::erase(i);
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return 1;
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}
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return 0;
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}
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~Radiobuttons() {
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for (typename Parent::const_iterator i = Parent::cbegin(), e = Parent::cend(); i != e; ++i) {
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delete *i;
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}
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}
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};
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Radiobuttons radiobuttons;
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} // namespace
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void RadiobuttonGroup::remove(Radiobutton * const &radio) {
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Parent::remove(radio);
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if (isEmpty()) {
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radiobuttons.remove(_name);
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}
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}
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Checkbox::Checkbox(QWidget *parent, const QString &text, bool checked, const style::Checkbox &st) : AbstractButton(parent)
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, _st(st)
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, a_over(0)
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, a_checked(checked ? 1 : 0)
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, _a_over(animation(this, &Checkbox::step_over))
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, _a_checked(animation(this, &Checkbox::step_checked))
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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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, _checked(checked) {
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if (_st.width <= 0) {
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resize(_textWidth - _st.width, _st.height);
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} else {
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if (_st.width < _st.textPosition.x() + _textWidth + (_st.textPosition.x() - _st.diameter)) {
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_text = _st.font->elided(_fullText, qMax(_st.width - (_st.textPosition.x() + (_st.textPosition.x() - _st.diameter)), 1));
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_textWidth = _st.font->width(_text);
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}
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resize(_st.width, _st.height);
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}
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_checkRect = myrtlrect(0, 0, _st.diameter, _st.diameter);
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connect(this, SIGNAL(clicked()), this, SLOT(onClicked()));
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setCursor(style::cur_pointer);
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setAttribute(Qt::WA_OpaquePaintEvent);
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}
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bool Checkbox::checked() const {
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return _checked;
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}
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void Checkbox::setChecked(bool checked, NotifyAboutChange notify) {
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if (_checked != checked) {
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_checked = checked;
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if (_checked) {
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a_checked.start(1);
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} else {
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a_checked.start(0);
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}
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_a_checked.start();
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if (notify == NotifyAboutChange::Notify) {
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emit changed();
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}
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}
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}
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void Checkbox::finishAnimations() {
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a_checked.finish();
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_a_checked.stop();
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}
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void Checkbox::step_over(float64 ms, bool timer) {
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float64 dt = ms / _st.duration;
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if (dt >= 1) {
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_a_over.stop();
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a_over.finish();
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} else {
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a_over.update(dt, anim::linear);
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}
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if (timer) update(_checkRect);
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}
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void Checkbox::step_checked(float64 ms, bool timer) {
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float64 dt = ms / _st.duration;
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if (dt >= 1) {
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a_checked.finish();
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_a_checked.stop();
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} else {
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a_checked.update(dt, anim::linear);
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}
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if (timer) update(_checkRect);
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}
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int Checkbox::naturalWidth() const {
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return _st.textPosition.x() + _st.font->width(_fullText);
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}
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void Checkbox::paintEvent(QPaintEvent *e) {
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Painter p(this);
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float64 over = a_over.current(), checked = a_checked.current();
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bool cnone = (over == 0. && checked == 0.), cover = (over == 1. && checked == 0.), cchecked = (checked == 1.);
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bool cbad = !cnone && !cover && !cchecked;
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QColor color;
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if (cbad) {
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float64 onone = (1. - over) * (1. - checked), oover = over * (1. - checked), ochecked = checked;
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color.setRedF(_st.checkFg->c.redF() * onone + _st.checkFgOver->c.redF() * oover + _st.checkFgActive->c.redF() * ochecked);
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color.setGreenF(_st.checkFg->c.greenF() * onone + _st.checkFgOver->c.greenF() * oover + _st.checkFgActive->c.greenF() * ochecked);
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color.setBlueF(_st.checkFg->c.blueF() * onone + _st.checkFgOver->c.blueF() * oover + _st.checkFgActive->c.blueF() * ochecked);
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}
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QRect r(e->rect());
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p.setClipRect(r);
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p.fillRect(r, _st.textBg);
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if (_checkRect.intersects(r)) {
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p.setRenderHint(QPainter::HighQualityAntialiasing);
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QPen pen;
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if (cbad) {
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pen = QPen(color);
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} else {
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pen = (cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive))->p;
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color = (cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive))->c;
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}
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pen.setWidth(_st.thickness);
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p.setPen(pen);
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if (checked > 0) {
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color.setRedF(color.redF() * checked + _st.checkBg->c.redF() * (1. - checked));
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color.setGreenF(color.greenF() * checked + _st.checkBg->c.greenF() * (1. - checked));
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color.setBlueF(color.blueF() * checked + _st.checkBg->c.blueF() * (1. - checked));
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p.setBrush(color);
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} else {
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p.setBrush(_st.checkBg);
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}
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p.drawRoundedRect(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2., _st.thickness / 2., _st.thickness / 2., _st.thickness / 2.)), st::buttonRadius - (_st.thickness / 2.), st::buttonRadius - (_st.thickness / 2.));
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p.setRenderHint(QPainter::HighQualityAntialiasing, false);
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if (checked > 0) {
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_st.checkIcon.paint(p, QPoint(0, 0), width());
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}
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}
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if (_checkRect.contains(r)) return;
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p.setPen(_st.textFg);
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p.setFont(_st.font);
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p.drawTextLeft(_st.textPosition.x(), _st.textPosition.y(), width(), _text, _textWidth);
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}
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void Checkbox::onClicked() {
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if (_state & StateDisabled) return;
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setChecked(!checked());
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}
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void Checkbox::onStateChanged(int oldState, StateChangeSource source) {
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if ((_state & StateOver) && !(oldState & StateOver)) {
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a_over.start(1);
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_a_over.start();
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} else if (!(_state & StateOver) && (oldState & StateOver)) {
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a_over.start(0);
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_a_over.start();
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}
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if ((_state & StateDisabled) && !(oldState & StateDisabled)) {
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setCursor(style::cur_default);
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} else if (!(_state & StateDisabled) && (oldState & StateDisabled)) {
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setCursor(style::cur_pointer);
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}
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}
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Radiobutton::Radiobutton(QWidget *parent, const QString &group, int32 value, const QString &text, bool checked, const style::Radiobutton &st) : AbstractButton(parent)
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, _st(st)
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, a_over(0)
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, a_checked(checked ? 1 : 0)
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, _a_over(animation(this, &Radiobutton::step_over))
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, _a_checked(animation(this, &Radiobutton::step_checked))
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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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, _checked(checked)
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, _group(radiobuttons.reg(group))
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, _value(value) {
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if (_st.width <= 0) {
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resize(_textWidth - _st.width, _st.height);
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} else {
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if (_st.width < _st.textPosition.x() + _textWidth + (_st.textPosition.x() - _st.diameter)) {
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_text = _st.font->elided(_fullText, qMax(_st.width - (_st.textPosition.x() + (_st.textPosition.x() - _st.diameter)), 1));
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_textWidth = _st.font->width(_text);
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}
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resize(_st.width, _st.height);
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}
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_checkRect = myrtlrect(0, 0, _st.diameter, _st.diameter);
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connect(this, SIGNAL(clicked()), this, SLOT(onClicked()));
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setCursor(style::cur_pointer);
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setAttribute(Qt::WA_OpaquePaintEvent);
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reinterpret_cast<RadiobuttonGroup*>(_group)->insert(this, true);
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if (_checked) onChanged();
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}
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bool Radiobutton::checked() const {
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return _checked;
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}
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void Radiobutton::setChecked(bool checked) {
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if (_checked != checked) {
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_checked = checked;
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if (_checked) {
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a_checked.start(1);
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} else {
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a_checked.start(0);
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}
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_a_checked.start();
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onChanged();
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emit changed();
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}
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}
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void Radiobutton::step_over(float64 ms, bool timer) {
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float64 dt = ms / _st.duration;
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if (dt >= 1) {
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_a_over.stop();
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a_over.finish();
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} else {
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a_over.update(dt, anim::linear);
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}
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if (timer) update(_checkRect);
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}
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void Radiobutton::step_checked(float64 ms, bool timer) {
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float64 dt = ms / _st.duration;
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if (dt >= 1) {
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a_checked.finish();
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_a_checked.stop();
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} else {
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a_checked.update(dt, anim::linear);
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}
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if (timer) update(_checkRect);
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}
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void Radiobutton::paintEvent(QPaintEvent *e) {
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Painter p(this);
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float64 over = a_over.current(), checked = a_checked.current();
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bool cnone = (over == 0. && checked == 0.), cover = (over == 1. && checked == 0.), cchecked = (checked == 1.);
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bool cbad = !cnone && !cover && !cchecked;
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QColor color;
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if (cbad) {
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float64 onone = (1. - over) * (1. - checked), oover = over * (1. - checked), ochecked = checked;
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color.setRedF(_st.checkFg->c.redF() * onone + _st.checkFgOver->c.redF() * oover + _st.checkFgActive->c.redF() * ochecked);
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color.setGreenF(_st.checkFg->c.greenF() * onone + _st.checkFgOver->c.greenF() * oover + _st.checkFgActive->c.greenF() * ochecked);
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color.setBlueF(_st.checkFg->c.blueF() * onone + _st.checkFgOver->c.blueF() * oover + _st.checkFgActive->c.blueF() * ochecked);
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}
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QRect r(e->rect());
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p.setClipRect(r);
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p.fillRect(r, _st.textBg->b);
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if (_checkRect.intersects(r)) {
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p.setRenderHint(QPainter::HighQualityAntialiasing);
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QPen pen;
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if (cbad) {
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pen = QPen(color);
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} else {
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pen = (cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive))->p;
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}
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pen.setWidth(_st.thickness);
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p.setPen(pen);
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p.setBrush(_st.checkBg);
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//int32 skip = qCeil(_st.thickness / 2.);
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//p.drawEllipse(_checkRect.marginsRemoved(QMargins(skip, skip, skip, skip)));
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p.drawEllipse(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2., _st.thickness / 2., _st.thickness / 2., _st.thickness / 2.)));
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if (checked > 0) {
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p.setPen(Qt::NoPen);
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if (cbad) {
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p.setBrush(color);
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} else {
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p.setBrush(cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive));
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}
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float64 skip0 = _checkRect.width() / 2., skip1 = _st.checkSkip / 10., checkSkip = skip0 * (1. - checked) + skip1 * checked;
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p.drawEllipse(QRectF(_checkRect).marginsRemoved(QMarginsF(checkSkip, checkSkip, checkSkip, checkSkip)));
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//int32 fskip = qFloor(checkSkip), cskip = qCeil(checkSkip);
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//if (2 * fskip < _checkRect.width()) {
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// if (fskip != cskip) {
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// p.setOpacity(float64(cskip) - checkSkip);
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// p.drawEllipse(_checkRect.marginsRemoved(QMargins(fskip, fskip, fskip, fskip)));
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// p.setOpacity(1.);
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// }
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// if (2 * cskip < _checkRect.width()) {
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// p.drawEllipse(_checkRect.marginsRemoved(QMargins(cskip, cskip, cskip, cskip)));
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// }
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//}
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}
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p.setRenderHint(QPainter::HighQualityAntialiasing, false);
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}
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if (_checkRect.contains(r)) return;
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p.setPen(_st.textFg);
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p.setFont(_st.font);
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p.drawTextLeft(_st.textPosition.x(), _st.textPosition.y(), width(), _text, _textWidth);
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}
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void Radiobutton::onClicked() {
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if (_state & StateDisabled) return;
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setChecked(!checked());
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}
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void Radiobutton::onStateChanged(int oldState, StateChangeSource source) {
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if ((_state & StateOver) && !(oldState & StateOver)) {
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a_over.start(1);
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_a_over.start();
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} else if (!(_state & StateOver) && (oldState & StateOver)) {
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a_over.start(0);
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_a_over.start();
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}
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if ((_state & StateDisabled) && !(oldState & StateDisabled)) {
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setCursor(style::cur_default);
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} else if (!(_state & StateDisabled) && (oldState & StateDisabled)) {
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setCursor(style::cur_pointer);
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}
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}
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void Radiobutton::onChanged() {
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RadiobuttonGroup *group = reinterpret_cast<RadiobuttonGroup*>(_group);
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if (checked()) {
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int32 uncheck = group->val();
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if (uncheck != _value) {
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group->setVal(_value);
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for (RadiobuttonGroup::const_iterator i = group->cbegin(), e = group->cend(); i != e; ++i) {
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if (i.key()->val() == uncheck) {
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i.key()->setChecked(false);
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}
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}
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}
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} else if (group->val() == _value) {
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setChecked(true);
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}
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}
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Radiobutton::~Radiobutton() {
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reinterpret_cast<RadiobuttonGroup*>(_group)->remove(this);
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}
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} // namespace Ui
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