diff options
| author | Marc Mutz <marc.mutz@kdab.com> | 2014-08-17 20:44:39 +0200 |
|---|---|---|
| committer | Marc Mutz <marc.mutz@kdab.com> | 2015-07-13 10:37:24 +0000 |
| commit | 827d1ed633b13719964d82e06195d9df4bd34419 (patch) | |
| tree | 7a5fcf43ec11a468b04f4c87a5154e7f3a9da393 /src/widgets/widgets/qmenu.cpp | |
| parent | 53ec85637ca55d63a765b10f2714eada57dc1ded (diff) | |
QMenu: don't hold QPointers in QList
QPointer is larger than a void*, so holding them in a QList is needlessly
inefficient. Worse, the code could come to depend on the fragile property
of (inefficient) QLists that references to elements therein never are
invalidated.
Change-Id: Ia224a4fe01acc1d4ca9b57c62941dd0f37780c67
Reviewed-by: Sérgio Martins <sergio.martins@kdab.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Diffstat (limited to 'src/widgets/widgets/qmenu.cpp')
| -rw-r--r-- | src/widgets/widgets/qmenu.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/widgets/widgets/qmenu.cpp b/src/widgets/widgets/qmenu.cpp index 3148b140bc..a7c58ab332 100644 --- a/src/widgets/widgets/qmenu.cpp +++ b/src/widgets/widgets/qmenu.cpp @@ -102,9 +102,9 @@ class QTornOffMenu : public QMenu causedPopup.action = ((QTornOffMenu*)p)->d_func()->causedPopup.action; causedStack = ((QTornOffMenu*)p)->d_func()->calcCausedStack(); } - QList<QPointer<QWidget> > calcCausedStack() const Q_DECL_OVERRIDE { return causedStack; } + QVector<QPointer<QWidget> > calcCausedStack() const Q_DECL_OVERRIDE { return causedStack; } QPointer<QMenu> causedMenu; - QList<QPointer<QWidget> > causedStack; + QVector<QPointer<QWidget> > causedStack; }; public: QTornOffMenu(QMenu *p) : QMenu(*(new QTornOffMenuPrivate(p))) @@ -236,9 +236,9 @@ QRect QMenuPrivate::popupGeometry(int screen) const } } -QList<QPointer<QWidget> > QMenuPrivate::calcCausedStack() const +QVector<QPointer<QWidget> > QMenuPrivate::calcCausedStack() const { - QList<QPointer<QWidget> > ret; + QVector<QPointer<QWidget> > ret; for(QWidget *widget = causedPopup.widget; widget; ) { ret.append(widget); if (QTornOffMenu *qtmenu = qobject_cast<QTornOffMenu*>(widget)) @@ -1122,7 +1122,7 @@ bool QMenuPrivate::mouseEventTaken(QMouseEvent *e) return false; } -void QMenuPrivate::activateCausedStack(const QList<QPointer<QWidget> > &causedStack, QAction *action, QAction::ActionEvent action_e, bool self) +void QMenuPrivate::activateCausedStack(const QVector<QPointer<QWidget> > &causedStack, QAction *action, QAction::ActionEvent action_e, bool self) { QBoolBlocker guard(activationRecursionGuard); if(self) @@ -1170,7 +1170,7 @@ void QMenuPrivate::activateAction(QAction *action, QAction::ActionEvent action_e /* I have to save the caused stack here because it will be undone after popup execution (ie in the hide). Then I iterate over the list to actually send the events. --Sam */ - const QList<QPointer<QWidget> > causedStack = calcCausedStack(); + const QVector<QPointer<QWidget> > causedStack = calcCausedStack(); if (action_e == QAction::Trigger) { #ifndef QT_NO_WHATSTHIS if (!inWhatsThisMode) @@ -1232,7 +1232,7 @@ void QMenuPrivate::_q_actionTriggered() if (!activationRecursionGuard && actionGuard) { //in case the action has not been activated by the mouse //we check the parent hierarchy - QList< QPointer<QWidget> > list; + QVector< QPointer<QWidget> > list; for(QWidget *widget = q->parentWidget(); widget; ) { if (qobject_cast<QMenu*>(widget) #ifndef QT_NO_MENUBAR |