这个问题可能与Qt 5中已经包含QtPropertyBrowser和朋友不再相关。我沿着Thadeaux's approach的路线实施了QtLineEditorFactory的editingFinished信号，然后决定我不需要/想要这样做！也许为了减轻我浪费时间的感觉，我附上我的解决方案的代码差异，以防有人觉得它有用。
Index: src/qteditorfactory.cpp
===================================================================
--- src/qteditorfactory.cpp (revision 737)
+++ src/qteditorfactory.cpp (working copy)
@@ -1076,7 +1076,6 @@
}
-
/*!
\class QtLineEditFactory
@@ -1094,7 +1093,6 @@
{
d_ptr = new QtLineEditFactoryPrivate();
d_ptr->q_ptr = this;
-
}
/*!
@@ -1121,6 +1119,10 @@
this, SLOT(slotEchoModeChanged(QtProperty *, int)));
connect(manager, SIGNAL(readOnlyChanged(QtProperty*, bool)),
this, SLOT(slotReadOnlyChanged(QtProperty *, bool)));
+
+ // c.s. Added 4/12/2017
+ connect(this, SIGNAL(propertyEditingFinished(QtProperty*, const QString&)),
+ manager, SIGNAL(propertyEditingFinished(QtProperty*, const QString&)));
}
/*!
@@ -1131,7 +1133,6 @@
QWidget *QtLineEditFactory::createEditor(QtStringPropertyManager *manager,
QtProperty *property, QWidget *parent)
{
-
QLineEdit *editor = d_ptr->createEditor(property, parent);
editor->setEchoMode((EchoMode)manager->echoMode(property));
editor->setReadOnly(manager->isReadOnly(property));
@@ -1146,9 +1147,49 @@
this, SLOT(slotSetValue(const QString &)));
connect(editor, SIGNAL(destroyed(QObject *)),
this, SLOT(slotEditorDestroyed(QObject *)));
- return editor;
+
+ // c.s. Added 4/12/2017
+ connect(editor, SIGNAL(editingFinished()), SLOT(handleEditingFinished()));
+ return editor;
}
+
+
+// c.s. Added 4/12/2017
+void QtLineEditFactory::handleEditingFinished()
+{
+ auto keys = d_ptr->m_editorToProperty.keys();
+ QLineEdit *le = qobject_cast<QLineEdit*>(sender());
+ if (!le)
+ return;
+
+ disconnect(le, SIGNAL(editingFinished()), this, SLOT(handleEditingFinished()));
+
+ QtProperty *property = 0;
+
+ const QMap<QLineEdit *, QtProperty *>::ConstIterator ecend =
+ d_ptr->m_editorToProperty.constEnd();
+ for (QMap<QLineEdit *, QtProperty *>::ConstIterator itEditor =
+ d_ptr->m_editorToProperty.constBegin(); itEditor != ecend; ++itEditor)
+ {
+ if (itEditor.key() == le)
+ {
+ property = itEditor.value();
+ if (!property)
+ return;
+
+ QtStringPropertyManager *manager = propertyManager(property);
+
+ if (!manager)
+ return;
+
+ QString s = manager->value(property);
+ manager->setValue(property, s); // make sure it has the last value
+ emit propertyEditingFinished(property, s);
+ }
+ }
+}
+
/*!
\internal
@@ -1165,6 +1206,9 @@
disconnect(manager, SIGNAL(readOnlyChanged(QtProperty*, bool)),
this, SLOT(slotReadOnlyChanged(QtProperty *, bool)));
+ // c.s. Added 4/12/2017
+ disconnect(this, SIGNAL(propertyEditingFinished(QtProperty*, const QString&)),
+ manager, SIGNAL(propertyEditingFinished(QtProperty*, const QString&)));
}
// QtDateEditFactory
Index: src/qteditorfactory.h
===================================================================
--- src/qteditorfactory.h (revision 737)
+++ src/qteditorfactory.h (working copy)
@@ -183,6 +183,14 @@
QWidget *createEditor(QtStringPropertyManager *manager, QtProperty *property,
QWidget *parent);
void disconnectPropertyManager(QtStringPropertyManager *manager);
+
+// c.s. Added 4/12/2017
+Q_SIGNALS:
+ void propertyEditingFinished(QtProperty*, const QString&); // signal editing done in line_editor is finished
+
+protected slots:
+ void handleEditingFinished(); // similar to QLineEdit
+
private:
QtLineEditFactoryPrivate *d_ptr;
Q_DECLARE_PRIVATE(QtLineEditFactory)
Index: src/qtpropertymanager.h
===================================================================
--- src/qtpropertymanager.h (revision 737)
+++ src/qtpropertymanager.h (working copy)
@@ -200,6 +200,9 @@
void echoModeChanged(QtProperty *property, const int);
void readOnlyChanged(QtProperty *property, bool);
+ // c.s. Added 4/12/2017
+ void propertyEditingFinished(QtProperty *, const QString &val);
+
protected:
QString valueText(const QtProperty *property) const;
QString displayText(const QtProperty *property) const;
5年后，我的感觉和你一样。我做了很多黑客来使属性网格至少有点像.NET一样。 – Jack 2015-11-19 05:09:14