From 7ce4dd6f618b64341c9d9520dfc98ede5a7500a7 Mon Sep 17 00:00:00 2001
From: Rosemary Witchaven <32779090+in1tiate@users.noreply.github.com>
Date: Mon, 30 Aug 2021 21:23:11 -0500
Subject: Use event filters instead of subclassing QLineEdit and QPlainTextEdit
 (#587)

* replace aolineedit and aotextedit with event filters
* use a button to make evidence editable instead of double click
---
 include/eventfilters.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 include/eventfilters.h

(limited to 'include/eventfilters.h')

diff --git a/include/eventfilters.h b/include/eventfilters.h
new file mode 100644
index 00000000..7847608d
--- /dev/null
+++ b/include/eventfilters.h
@@ -0,0 +1,36 @@
+#ifndef EVENTFILTERS_H
+#define EVENTFILTERS_H
+
+#include <QEvent>
+#include <QLineEdit>
+
+class AOLineEditFilter : public QObject
+{
+    Q_OBJECT
+public:
+    bool preserve_selection = false;
+
+protected:
+    bool eventFilter(QObject *obj, QEvent *event) override {
+        QLineEdit *lineEdit = qobject_cast<QLineEdit *>(obj);
+       if (event->type() == QEvent::FocusOut && lineEdit != nullptr && preserve_selection) { // lost focus
+            int start = lineEdit->selectionStart();
+          #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+            int len = lineEdit->selectionLength();
+          #else
+            int len = lineEdit->selectedText().length();
+          #endif
+            if (start != -1 && len != -1) {
+              lineEdit->setSelection(start, len);\
+              return true;
+            }
+        }
+        return false;
+    }
+signals:
+    void double_clicked();
+};
+
+
+
+#endif // EVENTFILTERS_H
-- 
cgit