mirror of
https://github.com/Chatterino/chatterino2.git
synced 2024-11-13 19:49:51 +01:00
430 lines
12 KiB
C++
430 lines
12 KiB
C++
#include "widgets/chatwidgetview.hpp"
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#include "channelmanager.hpp"
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#include "colorscheme.hpp"
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#include "messages/message.hpp"
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#include "messages/wordpart.hpp"
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#include "settingsmanager.hpp"
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#include "ui_accountpopupform.h"
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#include "util/distancebetweenpoints.hpp"
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#include "widgets/chatwidget.hpp"
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#include <QDebug>
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#include <QDesktopServices>
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#include <QGraphicsBlurEffect>
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#include <QPainter>
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#include <math.h>
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#include <chrono>
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#include <functional>
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namespace chatterino {
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namespace widgets {
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ChatWidgetView::ChatWidgetView(ChatWidget *_chatWidget)
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: BaseWidget(_chatWidget)
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, chatWidget(_chatWidget)
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, scrollBar(this)
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, userPopupWidget(_chatWidget->getChannelRef())
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{
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this->setAttribute(Qt::WA_OpaquePaintEvent);
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this->setMouseTracking(true);
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QObject::connect(&SettingsManager::getInstance(), &SettingsManager::wordTypeMaskChanged, this,
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&ChatWidgetView::wordTypeMaskChanged);
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this->scrollBar.getCurrentValueChanged().connect([this] {
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// Whenever the scrollbar value has been changed, re-render the ChatWidgetView
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this->update();
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});
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}
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ChatWidgetView::~ChatWidgetView()
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{
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QObject::disconnect(&SettingsManager::getInstance(), &SettingsManager::wordTypeMaskChanged,
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this, &ChatWidgetView::wordTypeMaskChanged);
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}
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bool ChatWidgetView::layoutMessages()
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{
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auto messages = this->chatWidget->getMessagesSnapshot();
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if (messages.getLength() == 0) {
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this->scrollBar.setVisible(false);
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return false;
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}
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bool showScrollbar = false;
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bool redraw = false;
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// Bool indicating whether or not we were showing all messages
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// True if one of the following statements are true:
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// The scrollbar was not visible
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// The scrollbar was visible and at the bottom
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this->showingLatestMessages = this->scrollBar.isAtBottom() || !this->scrollBar.isVisible();
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int start = this->scrollBar.getCurrentValue();
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int layoutWidth = this->scrollBar.isVisible() ? width() - this->scrollBar.width() : width();
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// layout the visible messages in the view
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if (messages.getLength() > start) {
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int y = -(messages[start]->getHeight() * (fmod(this->scrollBar.getCurrentValue(), 1)));
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for (int i = start; i < messages.getLength(); ++i) {
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auto message = messages[i];
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redraw |= message->layout(layoutWidth, true);
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y += message->getHeight();
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if (y >= height()) {
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break;
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}
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}
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}
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// layout the messages at the bottom to determine the scrollbar thumb size
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int h = height() - 8;
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for (std::size_t i = messages.getLength() - 1; i > 0; i--) {
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auto *message = messages[i].get();
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message->layout(layoutWidth, true);
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h -= message->getHeight();
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if (h < 0) {
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this->scrollBar.setLargeChange((messages.getLength() - i) +
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(qreal)h / message->getHeight());
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this->scrollBar.setDesiredValue(this->scrollBar.getDesiredValue());
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showScrollbar = true;
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break;
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}
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}
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this->scrollBar.setVisible(showScrollbar);
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if (!showScrollbar) {
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this->scrollBar.setDesiredValue(0);
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}
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this->scrollBar.setMaximum(messages.getLength());
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if (this->showingLatestMessages && showScrollbar) {
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// If we were showing the latest messages and the scrollbar now wants to be rendered, scroll
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// to bottom
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// TODO: Do we want to check if the user is currently moving the scrollbar?
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// Perhaps also if the user scrolled with the scrollwheel in this ChatWidget in the last 0.2
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// seconds or something
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this->scrollBar.scrollToBottom();
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}
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return redraw;
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}
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void ChatWidgetView::updateGifEmotes()
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{
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this->onlyUpdateEmotes = true;
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this->update();
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}
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ScrollBar &ChatWidgetView::getScrollBar()
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{
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return this->scrollBar;
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}
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void ChatWidgetView::resizeEvent(QResizeEvent *)
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{
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this->scrollBar.resize(this->scrollBar.width(), height());
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this->scrollBar.move(width() - this->scrollBar.width(), 0);
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layoutMessages();
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this->update();
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}
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void ChatWidgetView::paintEvent(QPaintEvent * /*event*/)
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{
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QPainter _painter(this);
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_painter.setRenderHint(QPainter::SmoothPixmapTransform);
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// only update gif emotes
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if (this->onlyUpdateEmotes) {
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this->onlyUpdateEmotes = false;
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for (const GifEmoteData &item : this->gifEmotes) {
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_painter.fillRect(item.rect, this->colorScheme.ChatBackground);
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_painter.drawPixmap(item.rect, *item.image->getPixmap());
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}
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return;
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}
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// update all messages
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this->gifEmotes.clear();
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_painter.fillRect(rect(), this->colorScheme.ChatBackground);
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// code for tesing colors
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/*
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QColor color;
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static ConcurrentMap<qreal, QImage *> imgCache;
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std::function<QImage *(qreal)> getImg = [&scheme](qreal light) {
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return imgCache.getOrAdd(light, [&scheme, &light] {
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QImage *img = new QImage(150, 50, QImage::Format_RGB32);
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QColor color;
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for (int j = 0; j < 50; j++) {
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for (qreal i = 0; i < 150; i++) {
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color = QColor::fromHslF(i / 150.0, light, j / 50.0);
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scheme.normalizeColor(color);
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img->setPixelColor(i, j, color);
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}
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}
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return img;
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});
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};
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for (qreal k = 0; k < 4.8; k++) {
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auto img = getImg(k / 5);
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painter.drawImage(QRect(k * 150, 0, 150, 150), *img);
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}
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painter.fillRect(QRect(0, 9, 500, 2), QColor(0, 0, 0));*/
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auto messages = this->chatWidget->getMessagesSnapshot();
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int start = this->scrollBar.getCurrentValue();
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if (start >= messages.getLength()) {
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return;
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}
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int y = -(messages[start].get()->getHeight() * (fmod(this->scrollBar.getCurrentValue(), 1)));
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for (int i = start; i < messages.getLength(); ++i) {
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messages::MessageRef *messageRef = messages[i].get();
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std::shared_ptr<QPixmap> bufferPtr = messageRef->buffer;
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QPixmap *buffer = bufferPtr.get();
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bool updateBuffer = messageRef->updateBuffer;
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if (buffer == nullptr) {
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buffer = new QPixmap(width(), messageRef->getHeight());
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bufferPtr = std::shared_ptr<QPixmap>(buffer);
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updateBuffer = true;
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}
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// update messages that have been changed
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if (updateBuffer) {
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QPainter painter(buffer);
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painter.fillRect(buffer->rect(), (messageRef->getMessage()->getCanHighlightTab()) ? this->colorScheme.ChatBackgroundHighlighted : this->colorScheme.ChatBackground);
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for (messages::WordPart const &wordPart : messageRef->getWordParts()) {
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// image
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if (wordPart.getWord().isImage()) {
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messages::LazyLoadedImage &lli = wordPart.getWord().getImage();
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const QPixmap *image = lli.getPixmap();
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if (image != nullptr) {
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painter.drawPixmap(QRect(wordPart.getX(), wordPart.getY(),
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wordPart.getWidth(), wordPart.getHeight()),
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*image);
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}
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}
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// text
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else {
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QColor color = wordPart.getWord().getColor();
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this->colorScheme.normalizeColor(color);
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painter.setPen(color);
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painter.setFont(wordPart.getWord().getFont());
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painter.drawText(QRectF(wordPart.getX(), wordPart.getY(), 10000, 10000),
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wordPart.getText(), QTextOption(Qt::AlignLeft | Qt::AlignTop));
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}
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}
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messageRef->updateBuffer = false;
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}
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// get gif emotes
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for (messages::WordPart const &wordPart : messageRef->getWordParts()) {
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if (wordPart.getWord().isImage()) {
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messages::LazyLoadedImage &lli = wordPart.getWord().getImage();
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if (lli.getAnimated()) {
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GifEmoteData gifEmoteData;
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gifEmoteData.image = &lli;
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QRect rect(wordPart.getX(), wordPart.getY() + y, wordPart.getWidth(),
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wordPart.getHeight());
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gifEmoteData.rect = rect;
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this->gifEmotes.push_back(gifEmoteData);
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}
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}
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}
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messageRef->buffer = bufferPtr;
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_painter.drawPixmap(0, y, *buffer);
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y += messageRef->getHeight();
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if (y > height()) {
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break;
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}
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}
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for (GifEmoteData &item : this->gifEmotes) {
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_painter.fillRect(item.rect, this->colorScheme.ChatBackground);
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_painter.drawPixmap(item.rect, *item.image->getPixmap());
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}
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}
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void ChatWidgetView::wheelEvent(QWheelEvent *event)
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{
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if (this->scrollBar.isVisible()) {
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auto mouseMultiplier = SettingsManager::getInstance().mouseScrollMultiplier.get();
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this->scrollBar.setDesiredValue(
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this->scrollBar.getDesiredValue() - event->delta() / 10.0 * mouseMultiplier, true);
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}
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}
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void ChatWidgetView::mouseMoveEvent(QMouseEvent *event)
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{
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std::shared_ptr<messages::MessageRef> message;
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QPoint relativePos;
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if (!tryGetMessageAt(event->pos(), message, relativePos)) {
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setCursor(Qt::ArrowCursor);
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return;
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}
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// int index = message->getSelectionIndex(relativePos);
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// qDebug() << index;
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messages::Word hoverWord;
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if (!message->tryGetWordPart(relativePos, hoverWord)) {
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setCursor(Qt::ArrowCursor);
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return;
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}
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if (hoverWord.getLink().isValid()) {
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setCursor(Qt::PointingHandCursor);
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} else {
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setCursor(Qt::ArrowCursor);
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}
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}
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void ChatWidgetView::mousePressEvent(QMouseEvent *event)
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{
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this->isMouseDown = true;
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this->lastPressPosition = event->screenPos();
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this->chatWidget->giveFocus();
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}
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void ChatWidgetView::mouseReleaseEvent(QMouseEvent *event)
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{
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if (!this->isMouseDown) {
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// We didn't grab the mouse press, so we shouldn't be handling the mouse
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// release
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return;
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}
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this->isMouseDown = false;
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float distance = util::distanceBetweenPoints(this->lastPressPosition, event->screenPos());
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qDebug() << "Distance: " << distance;
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if (fabsf(distance) > 15.f) {
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// It wasn't a proper click, so we don't care about that here
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return;
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}
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// If you clicked and released less than X pixels away, it counts
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// as a click!
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// show user thing pajaW
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std::shared_ptr<messages::MessageRef> message;
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QPoint relativePos;
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if (!tryGetMessageAt(event->pos(), message, relativePos)) {
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// No message at clicked position
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this->userPopupWidget.hide();
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return;
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}
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messages::Word hoverWord;
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if (!message->tryGetWordPart(relativePos, hoverWord)) {
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return;
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}
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auto &link = hoverWord.getLink();
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switch (link.getType()) {
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case messages::Link::UserInfo:{
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auto user = message->getMessage()->getUserName();
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this->userPopupWidget.setName(user);
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this->userPopupWidget.move(event->screenPos().toPoint());
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this->userPopupWidget.show();
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this->userPopupWidget.setFocus();
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qDebug() << "Clicked " << user << "s message";
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break;
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}
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case messages::Link::Url:{
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QDesktopServices::openUrl(QUrl(link.getValue()));
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break;
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}
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}
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}
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bool ChatWidgetView::tryGetMessageAt(QPoint p, std::shared_ptr<messages::MessageRef> &_message,
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QPoint &relativePos)
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{
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auto messages = this->chatWidget->getMessagesSnapshot();
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int start = this->scrollBar.getCurrentValue();
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if (start >= messages.getLength()) {
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return false;
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}
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int y = -(messages[start]->getHeight() * (fmod(this->scrollBar.getCurrentValue(), 1)));
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for (int i = start; i < messages.getLength(); ++i) {
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auto message = messages[i];
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if (p.y() < y + message->getHeight()) {
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relativePos = QPoint(p.x(), p.y() - y);
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_message = message;
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return true;
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}
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y += message->getHeight();
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}
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return false;
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}
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} // namespace widgets
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} // namespace chatterino
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