File 0001-Fix-3-bugs-detected-by-QAbstractItemModelT... of Package gammaray

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File 0001-Fix-3-bugs-detected-by-QAbstractItemModelTester.patch of Package gammaray

From 6b46413d04579cb2159a77b01e83bca148899626 Mon Sep 17 00:00:00 2001
From: David Faure <david.faure@kdab.com>
Date: Thu, 9 Nov 2023 20:13:28 +0100
Subject: [PATCH] Fix 3 bugs detected by QAbstractItemModelTester

(cherry picked from commit cc9af5742ef075d1f7dd633751b80154073ea23f)
---
 core/paintbuffermodel.cpp             | 4 ++--
 plugins/modelinspector/modelmodel.cpp | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/paintbuffermodel.cpp b/core/paintbuffermodel.cpp
index 096d40d3f..7bfa5826b 100644
--- a/core/paintbuffermodel.cpp
+++ b/core/paintbuffermodel.cpp
@@ -423,7 +423,7 @@ int PaintBufferModel::columnCount(const QModelIndex &parent) const
 
 int PaintBufferModel::rowCount(const QModelIndex &parent) const
 {
-    if (!m_privateBuffer)
+    if (!m_privateBuffer || parent.column() > 0)
         return 0;
     if (parent.isValid()) {
         const auto cmd = m_privateBuffer->commands.at(parent.row());
@@ -441,7 +441,7 @@ QModelIndex PaintBufferModel::index(int row, int column, const QModelIndex &pare
 
 QModelIndex PaintBufferModel::parent(const QModelIndex &child) const
 {
-    if (child.internalId() == TopLevelId)
+    if (!child.isValid() || child.internalId() == TopLevelId)
         return {};
     return createIndex(child.internalId(), 0, TopLevelId);
 }
diff --git a/plugins/modelinspector/modelmodel.cpp b/plugins/modelinspector/modelmodel.cpp
index 55fa7647a..40319cb57 100644
--- a/plugins/modelinspector/modelmodel.cpp
+++ b/plugins/modelinspector/modelmodel.cpp
@@ -48,6 +48,9 @@ int ModelModel::rowCount(const QModelIndex &parent) const
 
 QModelIndex ModelModel::parent(const QModelIndex &child) const
 {
+    if (!child.isValid())
+        return {};
+
     QAbstractItemModel *model = static_cast<QAbstractItemModel *>(child.internalPointer());
     Q_ASSERT(model);
     if (m_models.contains(model))
-- 
2.44.0

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File 0001-Fix-3-bugs-detected-by-QAbstractItemModelTester.patch of Package gammaray

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