From 7ddd5308946f32f4f0514c493a0a0f01c2bdc840 Mon Sep 17 00:00:00 2001
From: Yann Bodson <yann.bodson@nokia.com>
Date: Tue, 10 Jul 2012 15:35:57 +1000
Subject: [PATCH] Remove unneeded mac specific code in QQuickText

We don't need to relayout in painting thread.

Task-number: QTBUG-26361
Change-Id: Idfad1b90e2772e72411df821d02ea596a094f508
Reviewed-by: Andrew den Exter <andrew.den-exter@nokia.com>
---
 src/quick/items/qquicktext.cpp                 |   64 ++++++------------------
 src/quick/items/qquicktext_p_p.h               |    6 --
 tests/auto/quick/qquicktext/tst_qquicktext.cpp |    8 ---
 3 files changed, 16 insertions(+), 62 deletions(-)

diff --git a/src/quick/items/qquicktext.cpp b/src/quick/items/qquicktext.cpp
index 3d29ade..d2db178 100644
--- a/src/quick/items/qquicktext.cpp
+++ b/src/quick/items/qquicktext.cpp
@@ -74,11 +74,7 @@ QT_BEGIN_NAMESPACE
 const QChar QQuickTextPrivate::elideChar = QChar(0x2026);
 
 QQuickTextPrivate::QQuickTextPrivate()
-    : elideLayout(0), textLine(0)
-#if defined(Q_OS_MAC)
-    , layoutThread(0), paintingThread(0)
-#endif
-    , lineWidth(0)
+    : elideLayout(0), textLine(0), lineWidth(0)
     , color(0xFF000000), linkColor(0xFF0000FF), styleColor(0xFF000000)
     , lineCount(1), multilengthEos(-1)
     , elideMode(QQuickText::ElideNone), hAlign(QQuickText::AlignLeft), vAlign(QQuickText::AlignTop)
@@ -488,9 +484,6 @@ void QQuickTextPrivate::updateSize()
 
     QSizeF size(0, 0);
     QSizeF previousSize = layedOutTextRect.size();
-#if defined(Q_OS_MAC)
-    layoutThread = QThread::currentThread();
-#endif
 
     //setup instance of QTextLayout for all cases other than richtext
     if (!richText) {
@@ -655,42 +648,24 @@ void QQuickTextPrivate::setupCustomLineGeometry(QTextLine &line, qreal &height,
 {
     Q_Q(QQuickText);
 
-#if defined(Q_OS_MAC)
-    if (QThread::currentThread() != paintingThread) {
-        if (!line.lineNumber())
-            linesRects.clear();
-#endif
-
-        if (!textLine)
-            textLine = new QQuickTextLine;
-        textLine->setLine(&line);
-        textLine->setY(height);
-        textLine->setHeight(0);
-        textLine->setLineOffset(lineOffset);
+    if (!textLine)
+        textLine = new QQuickTextLine;
+    textLine->setLine(&line);
+    textLine->setY(height);
+    textLine->setHeight(0);
+    textLine->setLineOffset(lineOffset);
 
-        // use the text item's width by default if it has one and wrap is on
-        if (q->widthValid() && q->wrapMode() != QQuickText::NoWrap)
-            textLine->setWidth(q->width());
-        else
-            textLine->setWidth(INT_MAX);
-        if (lineHeight() != 1.0)
-            textLine->setHeight((lineHeightMode() == QQuickText::FixedHeight) ? lineHeight() : line.height() * lineHeight());
-
-        emit q->lineLaidOut(textLine);
-
-        height += textLine->height();
+    // use the text item's width by default if it has one and wrap is on
+    if (q->widthValid() && q->wrapMode() != QQuickText::NoWrap)
+        textLine->setWidth(q->width());
+    else
+        textLine->setWidth(INT_MAX);
+    if (lineHeight() != 1.0)
+        textLine->setHeight((lineHeightMode() == QQuickText::FixedHeight) ? lineHeight() : line.height() * lineHeight());
 
-#if defined(Q_OS_MAC)
-        linesRects << QRectF(textLine->x(), textLine->y(), textLine->width(), textLine->height());
+    emit q->lineLaidOut(textLine);
 
-    } else {
-        if (line.lineNumber() < linesRects.count()) {
-            QRectF r = linesRects.at(line.lineNumber());
-            line.setLineWidth(r.width());
-            line.setPosition(r.topLeft());
-        }
-    }
-#endif
+    height += textLine->height();
 }
 
 void QQuickTextPrivate::elideFormats(
@@ -2243,13 +2218,6 @@ QSGNode *QQuickText::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *data
 
     const qreal dy = QQuickTextUtil::alignedY(d->layedOutTextRect.height(), height(), d->vAlign);
 
-    // We need to make sure the layout is done in the current thread
-#if defined(Q_OS_MAC)
-    d->paintingThread = QThread::currentThread();
-    if (d->layoutThread != d->paintingThread)
-        d->updateLayout();
-#endif
-
     QQuickTextNode *node = 0;
     if (!oldNode) {
         node = new QQuickTextNode(QQuickItemPrivate::get(this)->sceneGraphContext(), this);
diff --git a/src/quick/items/qquicktext_p_p.h b/src/quick/items/qquicktext_p_p.h
index b6f68c4..f959dc1 100644
--- a/src/quick/items/qquicktext_p_p.h
+++ b/src/quick/items/qquicktext_p_p.h
@@ -115,12 +115,6 @@ public:
     QTextLayout *elideLayout;
     QQuickTextLine *textLine;
 
-#if defined(Q_OS_MAC)
-    QList<QRectF> linesRects;
-    QThread *layoutThread;
-    QThread *paintingThread;
-#endif
-
     qreal lineWidth;
 
     QRgb color;
diff --git a/tests/auto/quick/qquicktext/tst_qquicktext.cpp b/tests/auto/quick/qquicktext/tst_qquicktext.cpp
index 7a7f5cc..c16da4c 100644
--- a/tests/auto/quick/qquicktext/tst_qquicktext.cpp
+++ b/tests/auto/quick/qquicktext/tst_qquicktext.cpp
@@ -2450,10 +2450,6 @@ void tst_qquicktext::lineLaidOut()
 
     QVERIFY(!textPrivate->extra.isAllocated());
 
-#if defined(Q_OS_MAC)
-    QVERIFY(myText->lineCount() == textPrivate->linesRects.count());
-#endif
-
     for (int i = 0; i < textPrivate->layout.lineCount(); ++i) {
         QRectF r = textPrivate->layout.lineAt(i).rect();
         QVERIFY(r.width() == i * 15);
@@ -2484,10 +2480,6 @@ void tst_qquicktext::lineLaidOutRelayout()
 
     QVERIFY(!textPrivate->extra.isAllocated());
 
-#if defined(Q_OS_MAC)
-    QVERIFY(myText->lineCount() == textPrivate->linesRects.count());
-#endif
-
     qreal maxH = 0;
     for (int i = 0; i < textPrivate->layout.lineCount(); ++i) {
         QRectF r = textPrivate->layout.lineAt(i).rect();
-- 
1.7.2.5