Fix compilation with C++20

Implicit capture of 'this' in [=] is deprecated in C++20.

Fix by using explicit captures.

Change-Id: I1633446f4670202b0d1aca938d8c27dbc0c1411e
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

3 files changed, 3 insertions, 3 deletions

diff --git a/src/widgets/dialogs/qcolordialog.cpp b/src/widgets/dialogs/qcolordialog.cpp
index 29178c02c3..4c4e6e23ba 100644
--- a/src/widgets/dialogs/qcolordialog.cpp
+++ b/src/widgets/dialogs/qcolordialog.cpp
@@ -1739,7 +1739,7 @@ void QColorDialogPrivate::initWidgets()
         q->connect(custom, SIGNAL(selected(int,int)), SLOT(_q_newCustom(int,int)));
         q->connect(custom, SIGNAL(currentChanged(int,int)), SLOT(_q_nextCustom(int,int)));
 
-        q->connect(custom, &QWellArray::colorChanged, [=] (int index, QRgb color) {
+        q->connect(custom, &QWellArray::colorChanged, [this] (int index, QRgb color) {
             QColorDialogOptions::setCustomColor(index, color);
             if (custom)
                 custom->update();
diff --git a/src/widgets/itemviews/qlistview.cpp b/src/widgets/itemviews/qlistview.cpp
index e07514f297..1c01bba771 100644
--- a/src/widgets/itemviews/qlistview.cpp
+++ b/src/widgets/itemviews/qlistview.cpp
@@ -1895,7 +1895,7 @@ bool QListViewPrivate::dropOn(QDropEvent *event, int *dropRow, int *dropCol, QMo
 
 void QListViewPrivate::removeCurrentAndDisabled(QVector<QModelIndex> *indexes, const QModelIndex &current) const
 {
-    auto isCurrentOrDisabled = [=](const QModelIndex &index) {
+    auto isCurrentOrDisabled = [this, current](const QModelIndex &index) {
         return !isIndexEnabled(index) || index == current;
     };
     indexes->erase(std::remove_if(indexes->begin(), indexes->end(),
diff --git a/src/widgets/widgets/qmenu.cpp b/src/widgets/widgets/qmenu.cpp
index 2d107de268..8dff2ffc34 100644
--- a/src/widgets/widgets/qmenu.cpp
+++ b/src/widgets/widgets/qmenu.cpp
@@ -200,7 +200,7 @@ void QMenuPrivate::init()
     q->setAttribute(Qt::WA_X11NetWmWindowTypePopupMenu);
     defaultMenuAction = menuAction = new QAction(q);
     menuAction->d_func()->menu = q;
-    QObject::connect(menuAction, &QAction::changed, [=] {
+    QObject::connect(menuAction, &QAction::changed, [this] {
         if (!tornPopup.isNull())
             tornPopup->updateWindowTitle();
     });