double click word selection handle, sigint sermentation fault fix

CHANGELOG.md

@@ -5,6 +5,8 @@
 - now when you remove an account it actually gets removed
 - segfault on unitialized Availability in some rare occesions
 - fixed crash when you open a dialog with someone that has only error messages in archive
+- message height is now calculated correctly on Chinese and Japanese paragraphs
+- the app doesn't crash on SIGINT anymore
 
 ### Improvements
 - there is a way to disable an account and it wouldn't connect when you change availability

main/application.cpp

@@ -186,7 +186,9 @@ void Application::onSquawkClosing()
 {
     dialogueQueue.setParentWidnow(nullptr);
 
+    if (!nowQuitting) {
         disconnect(core, &Core::Squawk::responseVCard, squawk, &Squawk::responseVCard);
+    }
 
     destroyingSquawk = true;
     squawk->deleteLater();

ui/widgets/messageline/feedview.cpp

@@ -482,6 +482,7 @@ void FeedView::mouseMoveEvent(QMouseEvent* event)
 void FeedView::mousePressEvent(QMouseEvent* event)
 {
     QAbstractItemView::mousePressEvent(event);
+
     mousePressed = event->button() == Qt::LeftButton;
     if (mousePressed) {
         dragStartPoint = event->localPos().toPoint();
@@ -499,6 +500,36 @@ void FeedView::mousePressEvent(QMouseEvent* event)
     }
 }
 
+void FeedView::mouseDoubleClickEvent(QMouseEvent* event)
+{
+    QAbstractItemView::mouseDoubleClickEvent(event);
+    mousePressed = event->button() == Qt::LeftButton;
+    if (mousePressed) {
+        dragStartPoint = event->localPos().toPoint();
+        if (specialDelegate && specialModel) {
+            MessageDelegate* del = static_cast<MessageDelegate*>(itemDelegate());
+            QString lastSelectedId = del->clearSelection();
+            selectedText = "";
+            if (lastSelectedId.size()) {
+                Models::MessageFeed* feed = static_cast<Models::MessageFeed*>(model());
+                QModelIndex index = feed->modelIndexById(lastSelectedId);
+                if (index.isValid()) {
+                    setDirtyRegion(visualRect(index));
+                }
+            }
+
+            QModelIndex index = indexAt(dragStartPoint);
+            QRect rect = visualRect(index);
+            if (rect.contains(dragStartPoint)) {
+                selectedText = del->leftDoubleClick(dragStartPoint, index, rect);
+                if (selectedText.size() > 0) {
+                    setDirtyRegion(rect);
+                }
+            }
+        }
+    }
+}
+
 void FeedView::mouseReleaseEvent(QMouseEvent* event)
 {
     QAbstractItemView::mouseReleaseEvent(event);

ui/widgets/messageline/feedview.h

@@ -74,6 +74,7 @@ protected:
     void mouseMoveEvent(QMouseEvent * event) override;
     void mousePressEvent(QMouseEvent * event) override;
     void mouseReleaseEvent(QMouseEvent * event) override;
+    void mouseDoubleClickEvent(QMouseEvent * event) override;
     void keyPressEvent(QKeyEvent * event) override;
     void resizeEvent(QResizeEvent * event) override;
     

ui/widgets/messageline/messagedelegate.cpp

@@ -434,6 +434,39 @@ void MessageDelegate::leftClick(const QPoint& point, const QModelIndex& index, c
     }
 }
 
+QString MessageDelegate::leftDoubleClick(const QPoint& point, const QModelIndex& index, const QRect& sizeHint)
+{
+    QVariant vi = index.data(Models::MessageFeed::Bulk);
+    Models::FeedItem data = qvariant_cast<Models::FeedItem>(vi);
+    if (data.text.size() > 0) {
+        QRect localHint = getHoveredMessageBodyRect(index, data, sizeHint);
+
+        if (localHint.contains(point)) {
+            QPoint translated = point - localHint.topLeft();
+
+            bodyRenderer->setHtml(Shared::processMessageBody(data.text));
+            bodyRenderer->setTextWidth(localHint.size().width());
+
+            QAbstractTextDocumentLayout* lay = bodyRenderer->documentLayout();
+
+            int position = lay->hitTest(translated, Qt::HitTestAccuracy::FuzzyHit);
+            QTextCursor cursor(bodyRenderer);
+            cursor.setPosition(position, QTextCursor::MoveAnchor);
+            cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
+            cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
+
+            selection.first = cursor.anchor();
+            selection.second = cursor.position();
+            currentId = data.id;
+
+            if (selection.first != selection.second) {
+                return cursor.selectedText();
+            }
+        }
+    }
+    return "";
+}
+
 Shared::Hover MessageDelegate::hoverType(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const
 {
     QVariant vi = index.data(Models::MessageFeed::Bulk);
@@ -454,10 +487,9 @@ Shared::Hover MessageDelegate::hoverType(const QPoint& point, const QModelIndex&
                 return Shared::Hover::anchor;
             } else {
                 int position = lay->hitTest(translated, Qt::HitTestAccuracy::ExactHit);
-                if (position != -1) {           //this is a bad way, it's false positive on the end of the last
-                    return Shared::Hover::text; //line of a multiline block, so it's not better the checking the rect
+                if (position != -1) {
+                    return Shared::Hover::text;
                 }
-                //return Shared::Hover::text;
             }
         }
     }
@@ -480,7 +512,6 @@ QString MessageDelegate::mouseDrag(const QPoint& start, const QPoint& end, const
             last.setY(std::max(last.y(), 0));
             last.setY(std::min(last.y(), localHint.height()));
 
-
             bodyRenderer->setHtml(Shared::processMessageBody(data.text));
             bodyRenderer->setTextWidth(localHint.size().width());
             selection.first = bodyRenderer->documentLayout()->hitTest(first, Qt::HitTestAccuracy::FuzzyHit);

ui/widgets/messageline/messagedelegate.h

@@ -58,6 +58,7 @@ public:
     void endClearWidgets();
     void beginClearWidgets();
     void leftClick(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const;
+    QString leftDoubleClick(const QPoint& point, const QModelIndex& index, const QRect& sizeHint);
     Shared::Hover hoverType(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const;
     QString mouseDrag(const QPoint& start, const QPoint& end, const QModelIndex& index, const QRect& sizeHint);
     QString clearSelection();