From 5335e6a558a0aa8b86b9c564f91c6ec10380c7af Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@kdab.com>
Date: Fri, 21 Feb 2014 15:18:55 +0100
Subject: [PATCH] QWidget{Text,Line}Control: reserve() a vector

Reduces reallocation overhead.

Change-Id: Ibbb5d6257f78e7f9668b8c7f17aa498f6d4994d3
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
---
 src/widgets/widgets/qwidgetlinecontrol.cpp | 1 +
 src/widgets/widgets/qwidgettextcontrol.cpp | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/widgets/widgets/qwidgetlinecontrol.cpp b/src/widgets/widgets/qwidgetlinecontrol.cpp
index 3cd0277f77..436937be72 100644
--- a/src/widgets/widgets/qwidgetlinecontrol.cpp
+++ b/src/widgets/widgets/qwidgetlinecontrol.cpp
@@ -558,6 +558,7 @@ void QWidgetLineControl::processInputMethodEvent(QInputMethodEvent *event)
     m_preeditCursor = event->preeditString().length();
     m_hideCursor = false;
     QVector<QTextLayout::FormatRange> formats;
+    formats.reserve(event->attributes().size());
     for (int i = 0; i < event->attributes().size(); ++i) {
         const QInputMethodEvent::Attribute &a = event->attributes().at(i);
         if (a.type == QInputMethodEvent::Cursor) {
diff --git a/src/widgets/widgets/qwidgettextcontrol.cpp b/src/widgets/widgets/qwidgettextcontrol.cpp
index a46abf374d..22d199fc74 100644
--- a/src/widgets/widgets/qwidgettextcontrol.cpp
+++ b/src/widgets/widgets/qwidgettextcontrol.cpp
@@ -2030,6 +2030,7 @@ void QWidgetTextControlPrivate::inputMethodEvent(QInputMethodEvent *e)
     if (isGettingInput)
         layout->setPreeditArea(cursor.position() - block.position(), e->preeditString());
     QVector<QTextLayout::FormatRange> overrides;
+    overrides.reserve(e->attributes().size());
     const int oldPreeditCursor = preeditCursor;
     preeditCursor = e->preeditString().length();
     hideCursor = false;