Added an optional feature to show bigger emoji-only messages with 3 or less emoji

resources/qml/TimelineView.qml

@@ -26,6 +26,7 @@ Page {
 		category: "user"
 		property bool avatar_circles: true
 		property string emoji_font_family: "default"
+		property double font_size: Qt.application.font.pointSize
 	}
 
 	Settings {
@@ -33,6 +34,7 @@ Page {
 		category: "user/timeline"
 		property bool buttons: true
 		property bool message_hover_highlight: false
+		property bool enlarge_emoji_only_msg: false
 	}
 
 	Menu {

resources/qml/delegates/TextMessage.qml

@@ -6,4 +6,5 @@ MatrixText {
 	width: parent ? parent.width : undefined
 	height: isReply ? Math.min(chat.height / 8, implicitHeight) : undefined
 	clip: true
+	font.pointSize: (timelineSettings.enlarge_emoji_only_msg && model.data.isOnlyEmoji > 0 && model.data.isOnlyEmoji < 4) ? settings.font_size * 3 : settings.font_size
 }

src/UserSettingsPage.cpp

@@ -58,6 +58,8 @@ UserSettings::load()
         isButtonsInTimelineEnabled_ = settings.value("user/timeline/buttons", true).toBool();
         isMessageHoverHighlightEnabled_ =
           settings.value("user/timeline/message_hover_highlight", false).toBool();
+        isEnlargeEmojiOnlyMessagesEnabled_ =
+          settings.value("user/timeline/enlarge_emoji_only_msg", false).toBool();
         isMarkdownEnabled_            = settings.value("user/markdown_enabled", true).toBool();
         isTypingNotificationsEnabled_ = settings.value("user/typing_notifications", true).toBool();
         sortByImportance_             = settings.value("user/sort_by_unread", true).toBool();
@@ -168,6 +170,7 @@ UserSettings::save()
         settings.beginGroup("timeline");
         settings.setValue("buttons", isButtonsInTimelineEnabled_);
         settings.setValue("message_hover_highlight", isMessageHoverHighlightEnabled_);
+        settings.setValue("enlarge_emoji_only_msg", isEnlargeEmojiOnlyMessagesEnabled_);
         settings.endGroup();
 
         settings.setValue("avatar_circles", avatarCircles_);
@@ -239,6 +242,7 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
         timelineButtonsToggle_    = new Toggle{this};
         typingNotifications_      = new Toggle{this};
         messageHoverHighlight_    = new Toggle{this};
+        enlargeEmojiOnlyMessages_ = new Toggle{this};
         sortByImportance_         = new Toggle{this};
         readReceipts_             = new Toggle{this};
         markdownEnabled_          = new Toggle{this};
@@ -350,6 +354,7 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
         boxWrap(tr("Send messages as Markdown"), markdownEnabled_);
         boxWrap(tr("Desktop notifications"), desktopNotifications_);
         boxWrap(tr("Highlight message on hover"), messageHoverHighlight_);
+        boxWrap(tr("Large Emoji in timeline"), enlargeEmojiOnlyMessages_);
         formLayout_->addRow(uiLabel_);
         formLayout_->addRow(new HorizontalLine{this});
 
@@ -472,6 +477,10 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
                 settings_->setMessageHoverHighlight(!isDisabled);
         });
 
+        connect(enlargeEmojiOnlyMessages_, &Toggle::toggled, this, [this](bool isDisabled) {
+                settings_->setEnlargeEmojiOnlyMessages(!isDisabled);
+        });
+
         connect(
           sessionKeysImportBtn, &QPushButton::clicked, this, &UserSettingsPage::importSessionKeys);
 
@@ -505,6 +514,7 @@ UserSettingsPage::showEvent(QShowEvent *)
         markdownEnabled_->setState(!settings_->isMarkdownEnabled());
         desktopNotifications_->setState(!settings_->hasDesktopNotifications());
         messageHoverHighlight_->setState(!settings_->isMessageHoverHighlightEnabled());
+        enlargeEmojiOnlyMessages_->setState(!settings_->isEnlargeEmojiOnlyMessagesEnabled());
         deviceIdValue_->setText(QString::fromStdString(http::client()->device_id()));
 
         deviceFingerprintValue_->setText(

src/UserSettingsPage.h

@@ -49,6 +49,11 @@ public:
                 isMessageHoverHighlightEnabled_ = state;
                 save();
         }
+        void setEnlargeEmojiOnlyMessages(bool state)
+        {
+                isEnlargeEmojiOnlyMessagesEnabled_ = state;
+                save();
+        }
         void setTray(bool state)
         {
                 isTrayEnabled_ = state;
@@ -124,6 +129,10 @@ public:
 
         QString theme() const { return !theme_.isEmpty() ? theme_ : defaultTheme_; }
         bool isMessageHoverHighlightEnabled() const { return isMessageHoverHighlightEnabled_; }
+        bool isEnlargeEmojiOnlyMessagesEnabled() const
+        {
+                return isEnlargeEmojiOnlyMessagesEnabled_;
+        }
         bool isTrayEnabled() const { return isTrayEnabled_; }
         bool isStartInTrayEnabled() const { return isStartInTrayEnabled_; }
         bool isGroupViewEnabled() const { return isGroupViewEnabled_; }
@@ -151,6 +160,7 @@ private:
             : "system";
         QString theme_;
         bool isMessageHoverHighlightEnabled_;
+        bool isEnlargeEmojiOnlyMessagesEnabled_;
         bool isTrayEnabled_;
         bool isStartInTrayEnabled_;
         bool isGroupViewEnabled_;
@@ -211,6 +221,7 @@ private:
         Toggle *timelineButtonsToggle_;
         Toggle *typingNotifications_;
         Toggle *messageHoverHighlight_;
+        Toggle *enlargeEmojiOnlyMessages_;
         Toggle *sortByImportance_;
         Toggle *readReceipts_;
         Toggle *markdownEnabled_;

src/Utils.cpp

@@ -51,6 +51,14 @@ utils::localUser()
         return QString::fromStdString(http::client()->user_id().to_string());
 }
 
+bool
+utils::codepointIsEmoji(uint code)
+{
+        // TODO: Be more precise here.
+        return (code >= 0x2600 && code <= 0x27bf) || (code >= 0x1f300 && code <= 0x1f3ff) ||
+               (code >= 0x1f000 && code <= 0x1faff);
+}
+
 QString
 utils::replaceEmoji(const QString &body)
 {
@@ -63,9 +71,7 @@ utils::replaceEmoji(const QString &body)
 
         bool insideFontBlock = false;
         for (auto &code : utf32_string) {
-                // TODO: Be more precise here.
-                if ((code >= 0x2600 && code <= 0x27bf) || (code >= 0x1f300 && code <= 0x1f3ff) ||
-                    (code >= 0x1f000 && code <= 0x1faff)) {
+                if (utils::codepointIsEmoji(code)) {
                         if (!insideFontBlock) {
                                 fmtBody += QString("<font face=\"" + userFontFamily + "\">");
                                 insideFontBlock = true;

src/Utils.h

@@ -36,6 +36,9 @@ namespace utils {
 
 using TimelineEvent = mtx::events::collections::TimelineEvents;
 
+bool
+codepointIsEmoji(uint code);
+
 QString
 replaceEmoji(const QString &body);
 

src/timeline/TimelineModel.cpp

@@ -207,6 +207,7 @@ TimelineModel::roleNames() const
           {Section, "section"},
           {Type, "type"},
           {TypeString, "typeString"},
+          {IsOnlyEmoji, "isOnlyEmoji"},
           {Body, "body"},
           {FormattedBody, "formattedBody"},
           {UserId, "userId"},
@@ -272,6 +273,22 @@ TimelineModel::data(const QString &id, int role) const
                 return QVariant(toRoomEventType(event));
         case TypeString:
                 return QVariant(toRoomEventTypeString(event));
+        case IsOnlyEmoji: {
+                QString qBody = QString::fromStdString(body(event));
+
+                QVector<uint> utf32_string = qBody.toUcs4();
+                int emojiCount             = 0;
+
+                for (auto &code : utf32_string) {
+                        if (utils::codepointIsEmoji(code)) {
+                                emojiCount++;
+                        } else {
+                                return QVariant(0);
+                        }
+                }
+
+                return QVariant(emojiCount);
+        }
         case Body:
                 return QVariant(utils::replaceEmoji(QString::fromStdString(body(event))));
         case FormattedBody: {
@@ -374,6 +391,7 @@ TimelineModel::data(const QString &id, int role) const
                 // m.insert(names[Section], data(id, static_cast<int>(Section)));
                 m.insert(names[Type], data(id, static_cast<int>(Type)));
                 m.insert(names[TypeString], data(id, static_cast<int>(TypeString)));
+                m.insert(names[IsOnlyEmoji], data(id, static_cast<int>(IsOnlyEmoji)));
                 m.insert(names[Body], data(id, static_cast<int>(Body)));
                 m.insert(names[FormattedBody], data(id, static_cast<int>(FormattedBody)));
                 m.insert(names[UserId], data(id, static_cast<int>(UserId)));

src/timeline/TimelineModel.h

@@ -140,6 +140,7 @@ public:
                 Section,
                 Type,
                 TypeString,
+                IsOnlyEmoji,
                 Body,
                 FormattedBody,
                 UserId,