119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "ui/rp_widget.h"
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#include "ui/effects/animations.h"
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class Painter;
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namespace style {
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struct MessageBar;
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} // namespace style
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namespace Ui {
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struct MessageBarContent {
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int index = 0;
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int count = 1;
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QString title;
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TextWithEntities text;
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std::any context;
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QImage preview;
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style::margins margins;
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};
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class MessageBar final {
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public:
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MessageBar(
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not_null<QWidget*> parent,
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const style::MessageBar &st,
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Fn<bool()> customEmojiPaused);
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void set(MessageBarContent &&content);
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void set(rpl::producer<MessageBarContent> content);
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[[nodiscard]] not_null<Ui::RpWidget*> widget() {
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return &_widget;
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}
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void customEmojiRepaint();
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void finishAnimating();
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private:
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enum class BodyAnimation : char {
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Full,
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Text,
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None,
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};
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struct Animation {
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Ui::Animations::Simple bodyMoved;
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Ui::Animations::Simple imageShown;
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Ui::Animations::Simple barScroll;
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Ui::Animations::Simple barTop;
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QPixmap bodyOrTextFrom;
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QPixmap bodyOrTextTo;
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QPixmap titleSame;
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QPixmap titleFrom;
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QPixmap titleTo;
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QPixmap imageFrom;
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QPixmap imageTo;
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BodyAnimation bodyAnimation = BodyAnimation::None;
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RectPart movingTo = RectPart::None;
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};
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struct BarState {
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float64 scroll = 0.;
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float64 size = 0.;
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float64 skip = 0.;
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float64 offset = 0.;
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};
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void setup();
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void paint(Painter &p);
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void paintLeftBar(Painter &p);
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void tweenTo(MessageBarContent &&content);
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void updateFromContent(MessageBarContent &&content);
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[[nodiscard]] QPixmap prepareImage(const QImage &preview);
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[[nodiscard]] QRect imageRect() const;
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[[nodiscard]] QRect titleRangeRect(int from, int till) const;
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[[nodiscard]] QRect bodyRect(bool withImage) const;
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[[nodiscard]] QRect bodyRect() const;
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[[nodiscard]] QRect textRect() const;
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auto makeGrabGuard();
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[[nodiscard]] QPixmap grabBodyOrTextPart(BodyAnimation type);
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[[nodiscard]] QPixmap grabTitleBase(int till);
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[[nodiscard]] QPixmap grabTitlePart(int from);
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[[nodiscard]] QPixmap grabTitleRange(int from, int till);
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[[nodiscard]] QPixmap grabImagePart();
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[[nodiscard]] QPixmap grabBodyPart();
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[[nodiscard]] QPixmap grabTextPart();
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[[nodiscard]] BarState countBarState(int index) const;
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[[nodiscard]] BarState countBarState() const;
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void ensureGradientsCreated(int size);
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[[nodiscard]] static BodyAnimation DetectBodyAnimationType(
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Animation *currentAnimation,
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const MessageBarContent ¤tContent,
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const MessageBarContent &nextContent);
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const style::MessageBar &_st;
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Ui::RpWidget _widget;
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Fn<bool()> _customEmojiPaused;
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MessageBarContent _content;
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rpl::lifetime _contentLifetime;
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Ui::Text::String _title, _text;
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QPixmap _image, _topBarGradient, _bottomBarGradient;
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std::unique_ptr<Animation> _animation;
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bool _customEmojiRepaintScheduled = false;
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};
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} // namespace Ui
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