I BROKE EVERYTHING

refactored the rendering process

src/messages/layouts/messagelayout.hpp

@@ -0,0 +1,83 @@
+#pragma once
+
+#include "messages/layouts/messagelayoutcontainer.hpp"
+#include "messages/layouts/messagelayoutelement.hpp"
+#include "messages/message.hpp"
+#include "messages/selection.hpp"
+
+#include <QPixmap>
+
+#include <boost/noncopyable.hpp>
+#include <cinttypes>
+#include <memory>
+
+namespace chatterino {
+namespace messages {
+namespace layouts {
+
+class MessageLayout;
+typedef std::shared_ptr<MessageLayout> MessageLayoutPtr;
+typedef uint8_t MessageLayoutFlagsType;
+
+class MessageLayout : boost::noncopyable
+{
+public:
+    enum Flags : MessageLayoutFlagsType { Collapsed, RequiresBufferUpdate, RequiresLayout };
+
+    MessageLayout(MessagePtr message);
+
+    Message *getMessage();
+
+    // Height
+    int getHeight() const;
+
+    // Flags
+    Flags getFlags() const;
+    bool hasFlags(Flags flags) const;
+    void addFlags(Flags flags);
+    void removeFlags(Flags flags);
+
+    // Layout
+    bool layout(int width, float scale);
+
+    // Painting
+    void paint(QPainter &painter, int y, int messageIndex, Selection &selection);
+    void invalidateBuffer();
+    void deleteBuffer();
+
+    // Elements
+    const MessageLayoutElement *getElementAt(QPoint point);
+    int getLastCharacterIndex() const;
+    int getSelectionIndex(QPoint position);
+
+    // Misc
+    bool isDisabled() const;
+
+private:
+    // variables
+    MessagePtr message;
+    MessageLayoutContainer container;
+    std::shared_ptr<QPixmap> buffer = nullptr;
+    bool bufferValid = false;
+    Flags flags;
+
+    int height = 0;
+
+    int currentLayoutWidth = -1;
+    int fontGeneration = -1;
+    int emoteGeneration = -1;
+    float scale = -1;
+    unsigned int bufferUpdatedCount = 0;
+
+    MessageElement::Flags currentWordTypes = MessageElement::None;
+
+    int collapsedHeight = 32;
+
+    // methods
+    void actuallyLayout(int width);
+    void updateBuffer(QPixmap *pixmap, int messageIndex, Selection &selection);
+};
+
+}  // namespace layouts
+}  // namespace messages
+}  // namespace chatterino