Share Qt text layout for web links and invitations
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evgeny committed
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@@ -1,4 +1,5 @@
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#include "messagedelegate.h"
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#include "message_links.h"
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#include "chatview.h"
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#include "debug_ui.h"
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#include "emoji.h"
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@@ -24,10 +25,9 @@
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#include <QDebug>
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#include <QImageReader>
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#include <QPersistentModelIndex>
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#include <QRegularExpression>
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/* Один layout для размеров, отрисовки и hit-test длинных invite-ссылок. */
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static qreal layoutInviteText(QTextLayout& layout, int width, const QString& compactLink = {}) {
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/* Один layout для размеров, отрисовки, выделения и hit-test ссылок. */
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static qreal layoutMessageText(QTextLayout& layout, int width, const QString& compactLink = {}) {
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int linkStart = -1;
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if (!compactLink.isEmpty() && layout.text().endsWith(compactLink)) {
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linkStart = layout.text().length() - compactLink.length();
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@@ -36,16 +36,14 @@ static qreal layoutInviteText(QTextLayout& layout, int width, const QString& com
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}
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QTextOption option; option.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
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layout.setTextOption(option);
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static const QRegularExpression pattern(QStringLiteral("utun://[A-Za-z0-9+/]+={0,2}"));
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QVector<QTextLayout::FormatRange> formats;
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auto matches = pattern.globalMatch(layout.text());
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while (linkStart >= 0 || matches.hasNext()) {
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const auto links = linkStart >= 0 ? QVector<MessageLink>{{linkStart, (int)layout.text().length() - linkStart, compactLink}}
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: messageLinks(layout.text());
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for (const auto& link : links) {
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QTextLayout::FormatRange range;
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if (linkStart >= 0) { range.start = linkStart; range.length = layout.text().length() - linkStart; }
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else { auto match = matches.next(); range.start = match.capturedStart(); range.length = match.capturedLength(); }
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range.start = link.start; range.length = link.length;
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range.format.setForeground(QColor(0x33, 0x90, 0xEC)); range.format.setFontUnderline(true);
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formats.append(range);
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if (linkStart >= 0) break;
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}
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layout.setFormats(formats);
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layout.beginLayout();
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@@ -59,9 +57,9 @@ static qreal layoutInviteText(QTextLayout& layout, int width, const QString& com
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return y;
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}
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QString MessageDelegate::inviteLinkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const {
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QString MessageDelegate::linkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const {
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const QString text = index.data(MsgTextRole).toString();
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if (!text.contains(QStringLiteral("utun://"))) return {};
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if (messageLinks(text).isEmpty()) return {};
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const Layout geometry = calcLayout(option, index);
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if (geometry.isVoice || geometry.isFile || geometry.isVideo || geometry.isImage || geometry.emojiOnly) return {};
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const QPoint local = point - option.rect.topLeft() - geometry.textRect.topLeft();
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@@ -69,7 +67,7 @@ QString MessageDelegate::inviteLinkAt(const QStyleOptionViewItem& option, const
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QString display = text; display.replace('\n', QChar(0x2028));
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QTextLayout layout(display, option.font);
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const QString compactLink = index.data(MsgInviteLinkRole).toString();
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layoutInviteText(layout, geometry.textRect.width(), compactLink);
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layoutMessageText(layout, geometry.textRect.width(), compactLink);
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for (int i = 0; i < layout.lineCount(); ++i) {
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const auto line = layout.lineAt(i);
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if (local.y() < line.y() || local.y() >= line.y() + line.height()) continue;
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@@ -325,10 +323,10 @@ QSize MessageDelegate::sizeHint(const QStyleOptionViewItem &option,
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static int measureTextHeight(const QFont &font, const QString &text, int width, const QString& compactLink = {}) {
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if (text.isEmpty() || width <= 0) return 0;
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if (text.contains(QStringLiteral("utun://"))) {
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if (!messageLinks(text).isEmpty()) {
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QString display = text; display.replace('\n', QChar(0x2028));
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QTextLayout layout(display, font);
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return (int)std::ceil(layoutInviteText(layout, width, compactLink));
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return (int)std::ceil(layoutMessageText(layout, width, compactLink));
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}
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QRect r = QFontMetrics(font).boundingRect(QRect(0, 0, width, 100000),
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Qt::AlignLeft | Qt::TextWordWrap, text);
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@@ -832,7 +830,7 @@ static void drawAnimatedEmojiOverlay(QPainter *p, const QFont &font,
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if (!para.isEmpty()) {
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QTextLayout layout(para, font);
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if (text.contains(QStringLiteral("utun://"))) {
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if (!messageLinks(text).isEmpty()) {
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QTextOption wrap; wrap.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); layout.setTextOption(wrap);
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}
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layout.beginLayout();
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@@ -1381,12 +1379,12 @@ void MessageDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
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QString msgText = index.data(MsgTextRole).toString();
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QString overlayText = msgText;
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const bool hasInvite = msgText.contains(QStringLiteral("utun://"));
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if (hasInvite) {
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const bool hasLinks = !messageLinks(msgText).isEmpty();
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if (hasLinks) {
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QString display = msgText; display.replace('\n', QChar(0x2028));
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QTextLayout layout(display, textFont);
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const QString compactLink = index.data(MsgInviteLinkRole).toString();
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layoutInviteText(layout, L.textRect.width(), compactLink);
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layoutMessageText(layout, L.textRect.width(), compactLink);
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overlayText = layout.text(); overlayText.replace(QChar(0x2028), '\n');
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QVector<QTextLayout::FormatRange> selections;
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if (singleTextSel && cv) {
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@@ -1418,7 +1416,7 @@ void MessageDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
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layout.draw(painter, L.textRect.topLeft(), selections);
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} else painter->drawText(L.textRect, Qt::AlignLeft | Qt::TextWordWrap, msgText);
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if (singleTextSel && cv && !hasInvite) {
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if (singleTextSel && cv && !hasLinks) {
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const auto &ts = cv->textSelection();
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QPoint localP1(ts.clickPos.x() - L.textRect.left(),
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ts.clickPos.y() - L.textRect.top());
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@@ -58,7 +58,7 @@ public:
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bool editorEvent(QEvent *event, QAbstractItemModel *model,
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const QStyleOptionViewItem &option,
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const QModelIndex &index) override;
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QString inviteLinkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const;
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QString linkAt(const QStyleOptionViewItem& option, const QModelIndex& index, const QPoint& point) const;
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static void startAutoPlay(const QString& filePath, float actualDurationSec, uint64_t playbackId);
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static void stopAllAutoPlay();
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