From 0dc97a51b52c6af60ae3bd7e84e54caa7c1fd25c Mon Sep 17 00:00:00 2001
From: hjk <hjk@qt.io>
Date: Thu, 1 Aug 2019 11:53:26 +0200
Subject: [PATCH] ProjectExplorer: Add a mechanism to access fixed data in
 ProjectNodes

To be used in CMakeTargetNode for Android-specific items, but possibly
useful for other combinations, too, at the price of (only) one empty hash
per _Project_Node.

Change-Id: I4ced56a6ddfa54a00f96be0507a556fa7b20b552
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
---
 src/plugins/projectexplorer/projectnodes.cpp | 8 ++++++--
 src/plugins/projectexplorer/projectnodes.h   | 3 +++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/plugins/projectexplorer/projectnodes.cpp b/src/plugins/projectexplorer/projectnodes.cpp
index 1e5a35a23ef..c2244ed0100 100644
--- a/src/plugins/projectexplorer/projectnodes.cpp
+++ b/src/plugins/projectexplorer/projectnodes.cpp
@@ -944,8 +944,7 @@ ProjectNode *ProjectNode::projectNode(const Utils::FilePath &file) const
 
 QVariant ProjectNode::data(Core::Id role) const
 {
-    Q_UNUSED(role)
-    return QVariant();
+    return m_fallbackData.value(role);
 }
 
 bool ProjectNode::setData(Core::Id role, const QVariant &value) const
@@ -955,6 +954,11 @@ bool ProjectNode::setData(Core::Id role, const QVariant &value) const
     return false;
 }
 
+void ProjectNode::setFallbackData(Core::Id key, const QVariant &value)
+{
+    m_fallbackData.insert(key, value);
+}
+
 bool FolderNode::isEmpty() const
 {
     return m_nodes.size() == 0;
diff --git a/src/plugins/projectexplorer/projectnodes.h b/src/plugins/projectexplorer/projectnodes.h
index 97319de6c4a..0bea9c38102 100644
--- a/src/plugins/projectexplorer/projectnodes.h
+++ b/src/plugins/projectexplorer/projectnodes.h
@@ -388,6 +388,8 @@ public:
     //       "build single file" case.
     virtual void build() {}
 
+    void setFallbackData(Core::Id key, const QVariant &value);
+
 protected:
     void setIsProduct() { m_isProduct = true; }
 
@@ -395,6 +397,7 @@ protected:
 
 private:
     bool m_isProduct = false;
+    QHash<Core::Id, QVariant> m_fallbackData; // Used in data(), unless overridden.
 };
 
 class PROJECTEXPLORER_EXPORT ContainerNode : public FolderNode