280 lines
7.4 KiB
C++
280 lines
7.4 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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#pragma once
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#include "ui/widgets/buttons.h"
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#include "styles/style_widgets.h"
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namespace Ui {
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class AbstractCheckView {
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public:
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AbstractCheckView(int duration, bool checked, base::lambda<void()> updateCallback);
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void setCheckedFast(bool checked);
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void setCheckedAnimated(bool checked);
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void finishAnimation();
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void setUpdateCallback(base::lambda<void()> updateCallback);
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bool checked() const {
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return _checked;
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}
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float64 currentAnimationValue(TimeMs ms);
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virtual QSize getSize() const = 0;
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// Zero instead of ms value means that animation was already updated for this time.
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// It can be passed to currentAnimationValue() safely.
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virtual void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) = 0;
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virtual QImage prepareRippleMask() const = 0;
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virtual bool checkRippleStartPosition(QPoint position) const = 0;
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void paint(Painter &p, int left, int top, int outerWidth) {
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// Pass zero in ms if the animation was already updated for this time.
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paint(p, left, top, outerWidth, 0);
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}
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virtual ~AbstractCheckView() = default;
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private:
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int _duration = 0;
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bool _checked = false;
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base::lambda<void()> _updateCallback;
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Animation _toggleAnimation;
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};
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class CheckView : public AbstractCheckView {
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public:
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CheckView(const style::Check &st, bool checked, base::lambda<void()> updateCallback);
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void setStyle(const style::Check &st);
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QSize getSize() const override;
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void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) override;
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QImage prepareRippleMask() const override;
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bool checkRippleStartPosition(QPoint position) const override;
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private:
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QSize rippleSize() const;
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not_null<const style::Check*> _st;
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};
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class RadioView : public AbstractCheckView {
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public:
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RadioView(const style::Radio &st, bool checked, base::lambda<void()> updateCallback);
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void setStyle(const style::Radio &st);
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QSize getSize() const override;
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void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) override;
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QImage prepareRippleMask() const override;
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bool checkRippleStartPosition(QPoint position) const override;
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private:
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QSize rippleSize() const;
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not_null<const style::Radio*> _st;
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};
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class ToggleView : public AbstractCheckView {
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public:
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ToggleView(const style::Toggle &st, bool checked, base::lambda<void()> updateCallback);
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void setStyle(const style::Toggle &st);
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QSize getSize() const override;
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void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) override;
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QImage prepareRippleMask() const override;
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bool checkRippleStartPosition(QPoint position) const override;
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private:
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void paintXV(Painter &p, int left, int top, int outerWidth, float64 toggled, const QBrush &brush);
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QSize rippleSize() const;
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not_null<const style::Toggle*> _st;
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};
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class Checkbox : public RippleButton {
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public:
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Checkbox(QWidget *parent, const QString &text, bool checked = false, const style::Checkbox &st = st::defaultCheckbox, const style::Check &checkSt = st::defaultCheck);
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Checkbox(QWidget *parent, const QString &text, bool checked, const style::Checkbox &st, const style::Toggle &toggleSt);
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Checkbox(QWidget *parent, const QString &text, const style::Checkbox &st, std::unique_ptr<AbstractCheckView> check);
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void setText(const QString &text);
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bool checked() const;
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enum class NotifyAboutChange {
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Notify,
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DontNotify,
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};
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void setChecked(bool checked, NotifyAboutChange notify = NotifyAboutChange::Notify);
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base::Observable<bool> checkedChanged;
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void finishAnimations();
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QMargins getMargins() const override {
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return _st.margin;
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}
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int naturalWidth() const override;
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protected:
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void paintEvent(QPaintEvent *e) override;
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void onStateChanged(State was, StateChangeSource source) override;
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int resizeGetHeight(int newWidth) override;
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QImage prepareRippleMask() const override;
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QPoint prepareRippleStartPosition() const override;
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virtual void handlePress();
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void updateCheck() {
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rtlupdate(_checkRect);
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}
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private:
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void resizeToText();
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QPixmap grabCheckCache() const;
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const style::Checkbox &_st;
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std::unique_ptr<AbstractCheckView> _check;
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QPixmap _checkCache;
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Text _text;
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QRect _checkRect;
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};
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class Radiobutton;
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class RadiobuttonGroup {
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public:
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RadiobuttonGroup() = default;
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RadiobuttonGroup(int value) : _value(value), _hasValue(true) {
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}
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void setChangedCallback(base::lambda<void(int value)> callback) {
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_changedCallback = std::move(callback);
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}
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bool hasValue() const {
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return _hasValue;
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}
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int value() const {
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return _value;
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}
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void setValue(int value);
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private:
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friend class Radiobutton;
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void registerButton(Radiobutton *button) {
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if (!base::contains(_buttons, button)) {
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_buttons.push_back(button);
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}
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}
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void unregisterButton(Radiobutton *button) {
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_buttons.erase(std::remove(_buttons.begin(), _buttons.end(), button), _buttons.end());
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}
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int _value = 0;
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bool _hasValue = false;
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base::lambda<void(int value)> _changedCallback;
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std::vector<Radiobutton*> _buttons;
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};
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class Radiobutton : public Checkbox, private base::Subscriber {
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public:
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Radiobutton(QWidget *parent, const std::shared_ptr<RadiobuttonGroup> &group, int value, const QString &text, const style::Checkbox &st = st::defaultCheckbox, const style::Radio &radioSt = st::defaultRadio);
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~Radiobutton();
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protected:
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void handlePress() override;
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private:
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// Hide the names from Checkbox.
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bool checked() const;
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void setChecked(bool checked, NotifyAboutChange notify);
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void checkedChanged();
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Checkbox *checkbox() {
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return this;
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}
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const Checkbox *checkbox() const {
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return this;
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}
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friend class RadiobuttonGroup;
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void handleNewGroupValue(int value);
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std::shared_ptr<RadiobuttonGroup> _group;
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int _value = 0;
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};
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template <typename Enum>
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class Radioenum;
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template <typename Enum>
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class RadioenumGroup {
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public:
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RadioenumGroup() = default;
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RadioenumGroup(Enum value) : _group(static_cast<int>(value)) {
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}
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template <typename Callback>
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void setChangedCallback(Callback &&callback) {
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_group.setChangedCallback([callback](int value) {
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callback(static_cast<Enum>(value));
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});
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}
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bool hasValue() const {
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return _group.hasValue();
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}
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Enum value() const {
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return static_cast<Enum>(_group.value());
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}
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void setValue(Enum value) {
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_group.setValue(static_cast<int>(value));
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}
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private:
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template <typename OtherEnum>
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friend class Radioenum;
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RadiobuttonGroup _group;
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};
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template <typename Enum>
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class Radioenum : public Radiobutton {
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public:
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Radioenum(QWidget *parent, const std::shared_ptr<RadioenumGroup<Enum>> &group, Enum value, const QString &text, const style::Checkbox &st = st::defaultCheckbox)
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: Radiobutton(parent, std::shared_ptr<RadiobuttonGroup>(group, &group->_group), static_cast<int>(value), text, st) {
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}
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};
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} // namespace Ui
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