Implement core-side highlights

[quassel.git] / src / qtui / chatscene.cpp

diff --git a/src/qtui/chatscene.cpp b/src/qtui/chatscene.cpp
index 9654626..d609f0a 100644 (file)
--- a/src/qtui/chatscene.cpp
+++ b/src/qtui/chatscene.cpp
@@ -134,6 +134,13 @@ ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal w
     _showSenderBrackets = defaultSettings.showSenderBrackets();
     defaultSettings.notify("ShowSenderBrackets", this, SLOT(showSenderBracketsChanged()));
 
+    _useCustomTimestampFormat = defaultSettings.useCustomTimestampFormat();
+    defaultSettings.notify("UseCustomTimestampFormat", this, SLOT(useCustomTimestampFormatChanged()));
+
+    _timestampFormatString = defaultSettings.timestampFormatString();
+    defaultSettings.notify("TimestampFormat", this, SLOT(timestampFormatStringChanged()));
+    updateTimestampHasBrackets();
+
     _clickTimer.setInterval(QApplication::doubleClickInterval());
     _clickTimer.setSingleShot(true);
     connect(&_clickTimer, SIGNAL(timeout()), SLOT(clickTimeout()));
@@ -1026,9 +1033,21 @@ QString ChatScene::selection() const
             return QString();
         }
         QString result;
+
         for (int l = start; l <= end; l++) {
-            if (_selectionMinCol == ChatLineModel::TimestampColumn)
-                result += _lines[l]->item(ChatLineModel::TimestampColumn)->data(MessageModel::DisplayRole).toString() + " ";
+            if (_selectionMinCol == ChatLineModel::TimestampColumn) {
+                ChatItem *item = _lines[l]->item(ChatLineModel::TimestampColumn);
+                if (!_showSenderBrackets && !_timestampHasBrackets) {
+                    // Only re-add brackets if the current timestamp format does not include them
+                    // -and- sender brackets are disabled.  Don't filter on Message::Plain as
+                    // timestamp brackets affect all types of messages.
+                    // Remove any spaces before and after, otherwise it may look weird.
+                    result += QString("[%1] ").arg(item->data(MessageModel::DisplayRole)
+                                                   .toString().trimmed());
+                } else {
+                    result += item->data(MessageModel::DisplayRole).toString() + " ";
+                }
+            }
             if (_selectionMinCol <= ChatLineModel::SenderColumn) {
                 ChatItem *item = _lines[l]->item(ChatLineModel::SenderColumn);
                 if (!_showSenderBrackets && item->chatLine()->msgType() == Message::Plain) {
@@ -1271,6 +1290,7 @@ void ChatScene::webPreviewNextStep()
         if (webPreview.previewItem && webPreview.previewItem->scene())
             removeItem(webPreview.previewItem);
     // Fall through to deletion!
+    [[fallthrough]];
     case WebPreview::HidePreview:
         if (webPreview.previewItem) {
             delete webPreview.previewItem;
@@ -1298,6 +1318,7 @@ void ChatScene::clearWebPreview(ChatItem *parentItem)
                 removeItem(webPreview.previewItem);
         }
     // fall through into to set hidden state
+    [[fallthrough]];
     case WebPreview::DelayPreview:
         // we're just loading, so haven't shown the preview yet.
         webPreview.previewState = WebPreview::HidePreview;
@@ -1329,3 +1350,48 @@ void ChatScene::showSenderBracketsChanged()
     ChatViewSettings settings;
     _showSenderBrackets = settings.showSenderBrackets();
 }
+
+void ChatScene::useCustomTimestampFormatChanged()
+{
+    ChatViewSettings settings;
+    _useCustomTimestampFormat = settings.useCustomTimestampFormat();
+    updateTimestampHasBrackets();
+}
+
+void ChatScene::timestampFormatStringChanged()
+{
+    ChatViewSettings settings;
+    _timestampFormatString = settings.timestampFormatString();
+    updateTimestampHasBrackets();
+}
+
+void ChatScene::updateTimestampHasBrackets()
+{
+    // Calculate these parameters only as needed, rather than on-demand
+
+    if (!_useCustomTimestampFormat) {
+        // The default timestamp format string does not have brackets, no need to check.
+        // If UiStyle::updateSystemTimestampFormat() has brackets added, change this, too.
+        _timestampHasBrackets = false;
+    } else {
+        // Does the timestamp format contain brackets?  For example:
+        // Classic: "[hh:mm:ss]"
+        // Modern:  " hh:mm:ss"
+        //
+        // Match groups of any opening or closing brackets - (), {}, [], <>, (>, {], etc:
+        //   ^\s*[({[<].+[)}\]>]\s*$
+        //   [...]    is a character group containing ...
+        //   ^        matches start of string
+        //   \s*      matches any amount of whitespace
+        //   [({[<]   matches (, {, [, or <
+        //   .+       matches one or more characters
+        //   [)}\]>]  matches ), }, ], or >, escaping the ]
+        //   $        matches end of string
+        // Alternatively, if opening and closing brackets must be in pairs, use this:
+        //   (^\s*\(.+\)\s*$)|(^\s*\{.+\}\s*$)|(^\s*\[.+\]\s*$)|(^\s*<.+>\s*$)
+        // Note that '\' must be escaped as '\\'
+        // Helpful interactive website for debugging and explaining:  https://regex101.com/
+        const QRegExp regExpMatchBrackets("^\\s*[({[<].+[)}\\]>]\\s*$");
+        _timestampHasBrackets = regExpMatchBrackets.exactMatch(_timestampFormatString);
+    }
+}