mirror of
https://github.com/Chatterino/chatterino2.git
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85 lines
2 KiB
C++
85 lines
2 KiB
C++
#pragma once
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#include "common/FlagsEnum.hpp"
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#include "messages/Message.hpp"
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#include "messages/Selection.hpp"
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#include "messages/layouts/MessageLayoutContainer.hpp"
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#include "messages/layouts/MessageLayoutElement.hpp"
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#include <QPixmap>
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#include <boost/noncopyable.hpp>
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#include <cinttypes>
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#include <memory>
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namespace chatterino {
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class MessageLayout : boost::noncopyable
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{
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public:
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enum Flags : uint8_t {
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RequiresBufferUpdate = 1 << 1,
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RequiresLayout = 1 << 2,
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AlternateBackground = 1 << 3,
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Collapsed = 1 << 4,
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Expanded = 1 << 5,
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};
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MessageLayout(MessagePtr message_);
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~MessageLayout();
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const Message *getMessage();
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// Height
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int getHeight() const;
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// Flags
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FlagsEnum<Flags> flags;
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// Layout
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bool layout(int width, float scale_, MessageElement::Flags flags);
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// Painting
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void paint(QPainter &painter, int width, int y, int messageIndex,
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Selection &selection, bool isLastReadMessage,
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bool isWindowFocused);
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void invalidateBuffer();
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void deleteBuffer();
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void deleteCache();
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// Elements
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const MessageLayoutElement *getElementAt(QPoint point);
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int getLastCharacterIndex() const;
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int getSelectionIndex(QPoint position);
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void addSelectionText(QString &str, int from = 0, int to = INT_MAX);
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// Misc
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bool isDisabled() const;
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private:
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// variables
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MessagePtr message_;
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MessageLayoutContainer container_;
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std::shared_ptr<QPixmap> buffer_ = nullptr;
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bool bufferValid_ = false;
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int height_ = 0;
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int currentLayoutWidth_ = -1;
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int layoutState_ = -1;
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float scale_ = -1;
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unsigned int bufferUpdatedCount_ = 0;
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MessageElement::Flags currentWordFlags_ = MessageElement::None;
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int collapsedHeight_ = 32;
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// methods
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void actuallyLayout(int width, MessageElement::Flags flags);
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void updateBuffer(QPixmap *pixmap, int messageIndex, Selection &selection);
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};
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using MessageLayoutPtr = std::shared_ptr<MessageLayout>;
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} // namespace chatterino
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