double-click selection

src/chatlog/chatlinecontent.cpp

@@ -49,6 +49,12 @@ void ChatLineContent::selectionStarted(QPointF)
 
 void ChatLineContent::selectionCleared()
 {
+
+}
+
+void ChatLineContent::selectionDoubleClick(QPointF)
+{
+
 }
 
 bool ChatLineContent::isOverSelection(QPointF) const

src/chatlog/chatlinecontent.h

@@ -38,6 +38,7 @@ public:
     virtual void selectionMouseMove(QPointF scenePos);
     virtual void selectionStarted(QPointF scenePos);
     virtual void selectionCleared();
+    virtual void selectionDoubleClick(QPointF scenePos);
     virtual bool isOverSelection(QPointF scenePos) const;
     virtual QString getSelectedText() const;
 

src/chatlog/chatlog.cpp

@@ -479,6 +479,22 @@ void ChatLog::scrollToBottom()
     verticalScrollBar()->setValue(verticalScrollBar()->maximum());
 }
 
+void ChatLog::mouseDoubleClickEvent(QMouseEvent *ev)
+{
+    QPointF scenePos = mapToScene(ev->pos());
+    ChatLineContent* content = getContentFromPos(scenePos);
+
+    if(content)
+    {
+        content->selectionDoubleClick(scenePos);
+        selClickedCol = content->getColumn();
+        selClickedRow = content->getRow();
+        selFirstRow = content->getRow();
+        selLastRow = content->getRow();
+        selectionMode = Precise;
+    }
+}
+
 QString ChatLog::getSelectedText() const
 {
     if(selectionMode == Precise)

src/chatlog/chatlog.h

@@ -69,6 +69,7 @@ protected:
     void checkVisibility();
     void scrollToBottom();
 
+    virtual void mouseDoubleClickEvent(QMouseEvent* ev);
     virtual void mousePressEvent(QMouseEvent* ev);
     virtual void mouseReleaseEvent(QMouseEvent* ev);
     virtual void mouseMoveEvent(QMouseEvent* ev);

src/chatlog/content/text.cpp

@@ -133,6 +133,26 @@ void Text::selectionCleared()
     update();
 }
 
+void Text::selectionDoubleClick(QPointF scenePos)
+{
+    if(!doc)
+        return;
+
+    int cur = cursorFromPos(scenePos);
+
+    if(cur >= 0)
+    {
+        QTextCursor cursor(doc);
+        cursor.setPosition(cur);
+        cursor.select(QTextCursor::WordUnderCursor);
+
+        selectionAnchor = cursor.selectionStart();
+        selectionEnd = cursor.selectionEnd();
+    }
+
+    update();
+}
+
 bool Text::isOverSelection(QPointF scenePos) const
 {
     int cur = cursorFromPos(scenePos);

src/chatlog/content/text.h

@@ -27,6 +27,8 @@ class CustomTextDocument;
 class Text : public ChatLineContent
 {
 public:
+    // txt: may contain html code
+    // rawText: does not contain html code
     Text(const QString& txt = "", QFont font = QFont(), bool enableElide = false, const QString& rawText = QString());
     virtual ~Text();
 
@@ -37,6 +39,7 @@ public:
     virtual void selectionMouseMove(QPointF scenePos) override;
     virtual void selectionStarted(QPointF scenePos) override;
     virtual void selectionCleared() override;
+    virtual void selectionDoubleClick(QPointF scenePos) override;
     virtual bool isOverSelection(QPointF scenePos) const override;
     virtual QString getSelectedText() const override;