nerix
144 lines
3.8 KiB
C++
144 lines
3.8 KiB
C++
#pragma once
|
|
|
|
#include "common/Common.hpp"
|
|
#include "common/FlagsEnum.hpp"
|
|
#include "messages/layouts/MessageLayoutContainer.hpp"
|
|
|
|
#include <QPixmap>
|
|
|
|
#include <cinttypes>
|
|
#include <memory>
|
|
|
|
namespace chatterino {
|
|
|
|
struct Message;
|
|
using MessagePtr = std::shared_ptr<const Message>;
|
|
|
|
struct Selection;
|
|
struct MessageLayoutContainer;
|
|
class MessageLayoutElement;
|
|
struct MessagePaintContext;
|
|
|
|
enum class MessageElementFlag : int64_t;
|
|
using MessageElementFlags = FlagsEnum<MessageElementFlag>;
|
|
|
|
enum class MessageLayoutFlag : uint8_t {
|
|
RequiresBufferUpdate = 1 << 1,
|
|
RequiresLayout = 1 << 2,
|
|
AlternateBackground = 1 << 3,
|
|
Collapsed = 1 << 4,
|
|
Expanded = 1 << 5,
|
|
IgnoreHighlights = 1 << 6,
|
|
};
|
|
using MessageLayoutFlags = FlagsEnum<MessageLayoutFlag>;
|
|
|
|
struct MessagePaintResult {
|
|
bool hasAnimatedElements = false;
|
|
};
|
|
|
|
class MessageLayout
|
|
{
|
|
public:
|
|
MessageLayout(MessagePtr message_);
|
|
~MessageLayout();
|
|
|
|
MessageLayout(const MessageLayout &) = delete;
|
|
MessageLayout &operator=(const MessageLayout &) = delete;
|
|
|
|
MessageLayout(MessageLayout &&) = delete;
|
|
MessageLayout &operator=(MessageLayout &&) = delete;
|
|
|
|
const Message *getMessage();
|
|
const MessagePtr &getMessagePtr() const;
|
|
|
|
int getHeight() const;
|
|
int getWidth() const;
|
|
|
|
MessageLayoutFlags flags;
|
|
|
|
bool layout(int width, float scale_, float imageScale,
|
|
MessageElementFlags flags, bool shouldInvalidateBuffer);
|
|
|
|
// Painting
|
|
MessagePaintResult paint(const MessagePaintContext &ctx);
|
|
void invalidateBuffer();
|
|
void deleteBuffer();
|
|
void deleteCache();
|
|
|
|
/**
|
|
* Returns a raw pointer to the element at the given point
|
|
*
|
|
* If no element is found at the given point, this returns a null pointer
|
|
*/
|
|
const MessageLayoutElement *getElementAt(QPoint point) const;
|
|
|
|
/**
|
|
* @brief Returns the word bounds of the given element
|
|
*
|
|
* The first value is the index of the first character in the word,
|
|
* the second value is the index of the character after the last character in the word.
|
|
*
|
|
* Given the word "abc" by itself, we would return (0, 3)
|
|
*
|
|
* V V
|
|
* "abc "
|
|
*/
|
|
std::pair<int, int> getWordBounds(
|
|
const MessageLayoutElement *hoveredElement, QPoint relativePos) const;
|
|
|
|
/**
|
|
* Get the index of the last character in this message's container
|
|
* This is the sum of all the characters in `elements_`
|
|
*/
|
|
size_t getLastCharacterIndex() const;
|
|
|
|
/**
|
|
* Get the index of the first visible character in this message's container
|
|
* This is not always 0 in case there elements that are skipped
|
|
*/
|
|
size_t getFirstMessageCharacterIndex() const;
|
|
|
|
/**
|
|
* Get the character index at the given position, in the context of selections
|
|
*/
|
|
size_t getSelectionIndex(QPoint position) const;
|
|
void addSelectionText(QString &str, uint32_t from = 0,
|
|
uint32_t to = UINT32_MAX,
|
|
CopyMode copymode = CopyMode::Everything);
|
|
|
|
// Misc
|
|
bool isDisabled() const;
|
|
bool isReplyable() const;
|
|
|
|
private:
|
|
// methods
|
|
void actuallyLayout(int width, MessageElementFlags flags);
|
|
void updateBuffer(QPixmap *buffer, const MessagePaintContext &ctx);
|
|
|
|
// Create new buffer if required, returning the buffer
|
|
QPixmap *ensureBuffer(QPainter &painter, int width);
|
|
|
|
// variables
|
|
MessagePtr message_;
|
|
MessageLayoutContainer container_;
|
|
std::unique_ptr<QPixmap> buffer_{};
|
|
bool bufferValid_ = false;
|
|
|
|
int height_ = 0;
|
|
int currentLayoutWidth_ = -1;
|
|
int layoutState_ = -1;
|
|
float scale_ = -1;
|
|
float imageScale_ = -1.F;
|
|
MessageElementFlags currentWordFlags_;
|
|
|
|
#ifdef FOURTF
|
|
// Debug counters
|
|
unsigned int layoutCount_ = 0;
|
|
unsigned int bufferUpdatedCount_ = 0;
|
|
#endif
|
|
};
|
|
|
|
using MessageLayoutPtr = std::shared_ptr<MessageLayout>;
|
|
|
|
} // namespace chatterino
|