Ref T369, fixed findChildren by adding Q_OBJECT macro

https://swift-project.slack.com/archives/G7GD2UP9C/p1537898045000100

src/blackgui/components/textmessagecomponent.cpp

@@ -236,12 +236,10 @@ namespace BlackGui
             const QString style = this->getStyleSheet();
             for (CTextMessageTextEdit *textEdit : textEdits)
             {
-                if (textEdit->hasTextDocument())
-                {
-                    textEdit->setStyleSheetForContent(style);
-                }
+                textEdit->setStyleSheetForContent(style);
             }
             ui->comp_SettingsStyle->setStyle(this->getStyleSheet());
+            this->update(); // refresh window
         }
 
         void CTextMessageComponent::onStyleSheetChanged()
@@ -335,6 +333,7 @@ namespace BlackGui
             QPushButton *closeButton = new QPushButton("Close", newTab);
             QVBoxLayout *layout = new QVBoxLayout(newTab);
             CTextMessageTextEdit *textEdit = new CTextMessageTextEdit(newTab);
+            textEdit->setObjectName("tep_" + tabName);
             int marginLeft, marginRight, marginTop, marginBottom;
             ui->tb_TextMessagesAll->layout()->getContentsMargins(&marginLeft, &marginTop, &marginRight, &marginBottom);
             newTab->layout()->setContentsMargins(marginLeft, marginTop, marginRight, 2);

src/blackgui/textmessagetextedit.cpp

@@ -28,8 +28,7 @@ namespace BlackGui
 {
     CTextMessageTextEdit::CTextMessageTextEdit(QWidget *parent) : QTextEdit(parent)
     {
-        m_textDocument = new QTextDocument(this);
-        this->setDocument(m_textDocument);
+        this->setDocument(&m_textDocument);
         this->setReadOnly(true);
         this->setWordWrap(true);
 
@@ -72,7 +71,7 @@ namespace BlackGui
             m_messages.push_front(textMessage);
         }
         const QString html(toHtml(m_messages, m_withSender, m_withRecipient));
-        m_textDocument->setHtml(html);
+        m_textDocument.setHtml(html);
     }
 
     int CTextMessageTextEdit::count() const
@@ -88,15 +87,13 @@ namespace BlackGui
 
     void CTextMessageTextEdit::redrawHtml()
     {
-        Q_ASSERT_X(m_textDocument, Q_FUNC_INFO, "Missing text document");
         const QString html(toHtml(m_messages, m_withSender, m_withRecipient));
-        m_textDocument->setHtml(html);
+        m_textDocument.setHtml(html);
     }
 
     void CTextMessageTextEdit::setStyleSheetForContent(const QString &styleSheet)
     {
-        Q_ASSERT_X(m_textDocument, Q_FUNC_INFO, "Missing text document");
-        m_textDocument->setDefaultStyleSheet(styleSheet);
+        m_textDocument.setDefaultStyleSheet(styleSheet);
         this->redrawHtml();
     }
 

src/blackgui/textmessagetextedit.h

@@ -18,10 +18,10 @@
 #include <QObject>
 #include <QString>
 #include <QTextEdit>
+#include <QTextDocument>
 
 class QAction;
 class QPoint;
-class QTextDocument;
 
 namespace BlackMisc { namespace Network { class CTextMessage; } }
 namespace BlackGui
@@ -29,6 +29,8 @@ namespace BlackGui
     //! Specialized text edit for displaying text messages
     class BLACKGUI_EXPORT CTextMessageTextEdit : public QTextEdit
     {
+        Q_OBJECT
+
     public:
         //! Constructor
         CTextMessageTextEdit(QWidget *parent = nullptr);
@@ -51,9 +53,6 @@ namespace BlackGui
         //! Clear
         void clear();
 
-        //! Has text document
-        bool hasTextDocument() const { return m_textDocument; }
-
         //! Redraw HTML
         void redrawHtml();
 
@@ -77,7 +76,7 @@ namespace BlackGui
         void setWordWrap(bool wordWrap);
 
         BlackMisc::Network::CTextMessageList m_messages;
-        QTextDocument *m_textDocument = nullptr;
+        QTextDocument m_textDocument;
         int m_keepMaxMessages = -1; //!< max number of messages to keep, or -1 to keep all messages
         bool m_withSender = true;
         bool m_withRecipient = false;