mirror-chatterino2/src/widgets/helper/channelview.hpp
2018-01-06 03:48:56 +01:00

138 lines
4 KiB
C++

#pragma once
#include "channel.hpp"
#include "messages/lazyloadedimage.hpp"
#include "messages/limitedqueuesnapshot.hpp"
#include "messages/messageref.hpp"
#include "messages/selection.hpp"
#include "messages/word.hpp"
#include "widgets/accountpopup.hpp"
#include "widgets/basewidget.hpp"
#include "widgets/helper/rippleeffectlabel.hpp"
#include "widgets/scrollbar.hpp"
#include <QPaintEvent>
#include <QScroller>
#include <QTimer>
#include <QWheelEvent>
#include <QWidget>
#include <boost/signals2.hpp>
#include <pajlada/signals/signal.hpp>
#include <unordered_set>
namespace chatterino {
namespace widgets {
class ChannelView : public BaseWidget
{
Q_OBJECT
public:
explicit ChannelView(BaseWidget *parent = 0);
~ChannelView();
void updateGifEmotes();
void queueUpdate();
Scrollbar &getScrollBar();
QString getSelectedText();
bool hasSelection();
void clearSelection();
void setEnableScrollingToBottom(bool);
bool getEnableScrollingToBottom() const;
void pause(int msecTimeout);
void setChannel(std::shared_ptr<Channel> channel);
messages::LimitedQueueSnapshot<messages::SharedMessageRef> getMessagesSnapshot();
void layoutMessages();
void clearMessages();
boost::signals2::signal<void(QMouseEvent *)> mouseDown;
boost::signals2::signal<void()> selectionChanged;
pajlada::Signals::NoArgSignal highlightedMessageReceived;
protected:
virtual void resizeEvent(QResizeEvent *) override;
virtual void paintEvent(QPaintEvent *) override;
virtual void wheelEvent(QWheelEvent *event) override;
virtual void enterEvent(QEvent *) override;
virtual void leaveEvent(QEvent *) override;
virtual void mouseMoveEvent(QMouseEvent *event) override;
virtual void mousePressEvent(QMouseEvent *event) override;
virtual void mouseReleaseEvent(QMouseEvent *event) override;
bool tryGetMessageAt(QPoint p, std::shared_ptr<messages::MessageRef> &message,
QPoint &relativePos, int &index);
private:
struct GifEmoteData {
messages::LazyLoadedImage *image;
QRect rect;
};
QTimer updateTimer;
bool updateQueued = false;
bool messageWasAdded = false;
bool paused = false;
QTimer pauseTimeout;
messages::LimitedQueueSnapshot<messages::SharedMessageRef> snapshot;
void detachChannel();
void actuallyLayoutMessages();
void drawMessages(QPainter &painter, bool overlays);
void updateMessageBuffer(messages::MessageRef *messageRef, QPixmap *buffer, int messageIndex);
void drawMessageSelection(QPainter &painter, messages::MessageRef *messageRef, int messageIndex,
int bufferHeight);
void setSelection(const messages::SelectionItem &start, const messages::SelectionItem &end);
std::shared_ptr<Channel> channel;
std::vector<GifEmoteData> gifEmotes;
Scrollbar scrollBar;
RippleEffectLabel *goToBottom;
// This variable can be used to decide whether or not we should render the "Show latest
// messages" button
bool showingLatestMessages = true;
bool enableScrollingToBottom = true;
AccountPopupWidget userPopupWidget;
bool onlyUpdateEmotes = false;
// Mouse event variables
bool isMouseDown = false;
QPointF lastPressPosition;
messages::Selection selection;
bool selecting = false;
messages::LimitedQueue<messages::SharedMessageRef> messages;
boost::signals2::connection messageAppendedConnection;
boost::signals2::connection messageAddedAtStartConnection;
boost::signals2::connection messageRemovedConnection;
boost::signals2::connection messageReplacedConnection;
boost::signals2::connection repaintGifsConnection;
boost::signals2::connection layoutConnection;
std::vector<pajlada::Signals::ScopedConnection> managedConnections;
std::unordered_set<std::shared_ptr<messages::MessageRef>> messagesOnScreen;
private slots:
void wordTypeMaskChanged()
{
layoutMessages();
update();
}
};
} // namespace widgets
} // namespace chatterino