From b17b5d32c213c5ae1d9c6b8044942a910511e95f Mon Sep 17 00:00:00 2001
From: Veronica Berglyd Olsen <1619840+vkbo@users.noreply.github.com>
Date: Sat, 25 Nov 2023 18:53:11 +0100
Subject: [PATCH] Allow double-clicking in viewer panel

---
 novelwriter/gui/docviewerpanel.py         | 18 ++++++++++++++++++
 tests/test_gui/test_gui_docviewerpanel.py |  8 ++++++++
 2 files changed, 26 insertions(+)

diff --git a/novelwriter/gui/docviewerpanel.py b/novelwriter/gui/docviewerpanel.py
index c8f56fd6..3d6bdfdd 100644
--- a/novelwriter/gui/docviewerpanel.py
+++ b/novelwriter/gui/docviewerpanel.py
@@ -231,6 +231,7 @@ class _ViewPanelBackRefs(QTreeWidget):
 
         # Signals
         self.clicked.connect(self._treeItemClicked)
+        self.doubleClicked.connect(self._treeItemDoubleClicked)
 
         return
 
@@ -271,6 +272,14 @@ class _ViewPanelBackRefs(QTreeWidget):
             self._parent.openDocumentRequest.emit(tHandle, nwDocMode.VIEW, "", True)
         return
 
+    @pyqtSlot("QModelIndex")
+    def _treeItemDoubleClicked(self, index: QModelIndex) -> None:
+        """Emit follow tag signal on user double click."""
+        tHandle = index.siblingAtColumn(self.C_DATA).data(self.D_HANDLE)
+        if index.column() == self.C_DOC:
+            self._parent.openDocumentRequest.emit(tHandle, nwDocMode.VIEW, "", True)
+        return
+
     ##
     #  Internal Functions
     ##
@@ -356,6 +365,7 @@ class _ViewPanelKeyWords(QTreeWidget):
 
         # Signals
         self.clicked.connect(self._treeItemClicked)
+        self.doubleClicked.connect(self._treeItemDoubleClicked)
 
         return
 
@@ -436,4 +446,12 @@ class _ViewPanelKeyWords(QTreeWidget):
             self._parent.loadDocumentTagRequest.emit(tag, nwDocMode.VIEW)
         return
 
+    @pyqtSlot("QModelIndex")
+    def _treeItemDoubleClicked(self, index: QModelIndex) -> None:
+        """Emit follow tag signal on user double click."""
+        tag = index.siblingAtColumn(self.C_DATA).data(self.D_TAG)
+        if index.column() == self.C_NAME:
+            self._parent.loadDocumentTagRequest.emit(tag, nwDocMode.VIEW)
+        return
+
 # END Class _ViewPanelKeyWords
diff --git a/tests/test_gui/test_gui_docviewerpanel.py b/tests/test_gui/test_gui_docviewerpanel.py
index 1ff773ae..da43c4f3 100644
--- a/tests/test_gui/test_gui_docviewerpanel.py
+++ b/tests/test_gui/test_gui_docviewerpanel.py
@@ -102,6 +102,12 @@ def testGuiViewerPanel_BackRefs(qtbot, monkeypatch, nwGUI, projPath, mockRnd):
     tabBackRefs._treeItemClicked(tabBackRefs.model().index(0, tabBackRefs.C_VIEW))
     assert nwGUI.docViewer.docHandle == C.hSceneDoc
 
+    # Double-Click
+    nwGUI.viewDocument(hJane)
+    assert nwGUI.docViewer.docHandle == hJane
+    tabBackRefs._treeItemDoubleClicked(tabBackRefs.model().index(0, tabBackRefs.C_DOC))
+    assert nwGUI.docViewer.docHandle == C.hSceneDoc
+
     # qtbot.stop()
 
 # END Test testGuiViewerPanel_BackRefs
@@ -189,6 +195,8 @@ def testGuiViewerPanel_Tags(qtbot, monkeypatch, caplog, nwGUI, projPath, mockRnd
     assert nwGUI.docViewer.docHandle == C.hSceneDoc
     charTab._treeItemClicked(charTab.model().index(1, charTab.C_VIEW))
     assert nwGUI.docViewer.docHandle == hJohn
+    charTab._treeItemDoubleClicked(charTab.model().index(0, charTab.C_NAME))
+    assert nwGUI.docViewer.docHandle == hJane
 
     # qtbot.stop()