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Share Qt text layout for web links and invitations

master
evgeny 3 days ago
parent
394ac93dc4
commit
3482e4a327
2 changed files with 18 additions and 20 deletions
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  1. 36
      tools/chatgui/src/messagedelegate.cpp
  2. 2
      tools/chatgui/src/messagedelegate.h

36
tools/chatgui/src/messagedelegate.cpp
Unescape View File

@ -1,4 +1,5 @@
#include "messagedelegate.h"
#include "message_links.h"
#include "chatview.h"
#include "debug_ui.h"
#include "emoji.h"
@ -24,10 +25,9 @@
#include <QDebug>
#include <QImageReader>
#include <QPersistentModelIndex>
#include <QRegularExpression>
/* Один layout для размеров, отрисовки и hit-test длинных invite-ссылок. */
static qreal layoutInviteText(QTextLayout& layout, int width, const QString& compactLink = {}) {
/* Один layout для размеров, отрисовки, выделения и hit-test ссылок. */
static qreal layoutMessageText(QTextLayout& layout, int width, const QString& compactLink = {}) {
int linkStart = -1;
if (!compactLink.isEmpty() && layout.text().endsWith(compactLink)) {
linkStart = layout.text().length() - compactLink.length();
@ -36,16 +36,14 @@ static qreal layoutInviteText(QTextLayout& layout, int width, const QString& com
}
QTextOption option; option.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
layout.setTextOption(option);
static const QRegularExpression pattern(QStringLiteral("utun://[A-Za-z0-9+/]+={0,2}"));
QVector<QTextLayout::FormatRange> formats;
auto matches = pattern.globalMatch(layout.text());
while (linkStart >= 0 || matches.hasNext()) {
const auto links = linkStart >= 0 ? QVector<MessageLink>{{linkStart, (int)layout.text().length() - linkStart, compactLink}}
: messageLinks(layout.text());
for (const auto& link : links) {
QTextLayout::FormatRange range;
if (linkStart >= 0) { range.start = linkStart; range.length = layout.text().length() - linkStart; }
else { auto match = matches.next(); range.start = match.capturedStart(); range.length = match.capturedLength(); }
range.start = link.start; range.length = link.length;
range.format.setForeground(QColor(0x33, 0x90, 0xEC)); range.format.setFontUnderline(true);
formats.append(range);
if (linkStart >= 0) break;
}
layout.setFormats(formats);
layout.beginLayout();
@ -59,9 +57,9 @@ static qreal layoutInviteText(QTextLayout& layout, int width, const QString& com
return y;
}
QString MessageDelegate::inviteLinkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const {
QString MessageDelegate::linkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const {
const QString text = index.data(MsgTextRole).toString();
if (!text.contains(QStringLiteral("utun://"))) return {};
if (messageLinks(text).isEmpty()) return {};
const Layout geometry = calcLayout(option, index);
if (geometry.isVoice || geometry.isFile || geometry.isVideo || geometry.isImage || geometry.emojiOnly) return {};
const QPoint local = point - option.rect.topLeft() - geometry.textRect.topLeft();
@ -69,7 +67,7 @@ QString MessageDelegate::inviteLinkAt(const QStyleOptionViewItem& option, const
QString display = text; display.replace('\n', QChar(0x2028));
QTextLayout layout(display, option.font);
const QString compactLink = index.data(MsgInviteLinkRole).toString();
layoutInviteText(layout, geometry.textRect.width(), compactLink);
layoutMessageText(layout, geometry.textRect.width(), compactLink);
for (int i = 0; i < layout.lineCount(); ++i) {
const auto line = layout.lineAt(i);
if (local.y() < line.y() || local.y() >= line.y() + line.height()) continue;
@ -325,10 +323,10 @@ QSize MessageDelegate::sizeHint(const QStyleOptionViewItem &option,
static int measureTextHeight(const QFont &font, const QString &text, int width, const QString& compactLink = {}) {
if (text.isEmpty() || width <= 0) return 0;
if (text.contains(QStringLiteral("utun://"))) {
if (!messageLinks(text).isEmpty()) {
QString display = text; display.replace('\n', QChar(0x2028));
QTextLayout layout(display, font);
return (int)std::ceil(layoutInviteText(layout, width, compactLink));
return (int)std::ceil(layoutMessageText(layout, width, compactLink));
}
QRect r = QFontMetrics(font).boundingRect(QRect(0, 0, width, 100000),
Qt::AlignLeft | Qt::TextWordWrap, text);
@ -832,7 +830,7 @@ static void drawAnimatedEmojiOverlay(QPainter *p, const QFont &font,
if (!para.isEmpty()) {
QTextLayout layout(para, font);
if (text.contains(QStringLiteral("utun://"))) {
if (!messageLinks(text).isEmpty()) {
QTextOption wrap; wrap.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); layout.setTextOption(wrap);
}
layout.beginLayout();
@ -1381,12 +1379,12 @@ void MessageDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
QString msgText = index.data(MsgTextRole).toString();
QString overlayText = msgText;
const bool hasInvite = msgText.contains(QStringLiteral("utun://"));
if (hasInvite) {
const bool hasLinks = !messageLinks(msgText).isEmpty();
if (hasLinks) {
QString display = msgText; display.replace('\n', QChar(0x2028));
QTextLayout layout(display, textFont);
const QString compactLink = index.data(MsgInviteLinkRole).toString();
layoutInviteText(layout, L.textRect.width(), compactLink);
layoutMessageText(layout, L.textRect.width(), compactLink);
overlayText = layout.text(); overlayText.replace(QChar(0x2028), '\n');
QVector<QTextLayout::FormatRange> selections;
if (singleTextSel && cv) {
@ -1418,7 +1416,7 @@ void MessageDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
layout.draw(painter, L.textRect.topLeft(), selections);
} else painter->drawText(L.textRect, Qt::AlignLeft | Qt::TextWordWrap, msgText);
if (singleTextSel && cv && !hasInvite) {
if (singleTextSel && cv && !hasLinks) {
const auto &ts = cv->textSelection();
QPoint localP1(ts.clickPos.x() - L.textRect.left(),
ts.clickPos.y() - L.textRect.top());

2
tools/chatgui/src/messagedelegate.h
Unescape View File

@ -58,7 +58,7 @@ public:
bool editorEvent(QEvent *event, QAbstractItemModel *model,
const QStyleOptionViewItem &option,
const QModelIndex &index) override;
QString inviteLinkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const;
QString linkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const;
static void startAutoPlay(const QString& filePath, float actualDurationSec, uint64_t playbackId);
static void stopAllAutoPlay();

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