From b0d54b07752e9e51b02eba4cb6066f91e71c3069 Mon Sep 17 00:00:00 2001
From: Aaron Kennedy <aaron.kennedy@nokia.com>
Date: Mon, 21 Dec 2009 12:01:35 +1000
Subject: Optimization: don't use QTextControl in Text element

---
 src/declarative/graphicsitems/qmlgraphicstext.cpp  | 36 +++++++++-------------
 .../graphicsitems/qmlgraphicstext_p_p.h            |  4 +--
 2 files changed, 15 insertions(+), 25 deletions(-)

diff --git a/src/declarative/graphicsitems/qmlgraphicstext.cpp b/src/declarative/graphicsitems/qmlgraphicstext.cpp
index 52d68fd..459541e 100644
--- a/src/declarative/graphicsitems/qmlgraphicstext.cpp
+++ b/src/declarative/graphicsitems/qmlgraphicstext.cpp
@@ -50,10 +50,9 @@
 #include <QTextCursor>
 #include <QGraphicsSceneMouseEvent>
 #include <QPainter>
+#include <QAbstractTextDocumentLayout>
 #include <qmath.h>
 
-#include <private/qtextcontrol_p.h>
-
 QT_BEGIN_NAMESPACE
 QML_DEFINE_TYPE(Qt,4,6,Text,QmlGraphicsText)
 
@@ -159,11 +158,8 @@ void QmlGraphicsText::setText(const QString &n)
 
     d->richText = d->format == RichText || (d->format == AutoText && Qt::mightBeRichText(n));
     if (d->richText) {
-        if (!d->doc)
-        {
-            d->control = new QTextControl(this);
-            d->control->setTextInteractionFlags(Qt::TextBrowserInteraction);
-            d->doc = d->control->document();
+        if (!d->doc) {
+            d->doc = new QTextDocument(this);
             d->doc->setDocumentMargin(0);
         }
         d->doc->setHtml(n);
@@ -399,11 +395,8 @@ void QmlGraphicsText::setTextFormat(TextFormat format)
         d->updateSize();
         d->markImgDirty();
     } else if (!wasRich && d->richText) {
-        if (!d->doc)
-        {
-            d->control = new QTextControl(this);
-            d->control->setTextInteractionFlags(Qt::TextBrowserInteraction);
-            d->doc = d->control->document();
+        if (!d->doc) {
+            d->doc = new QTextDocument(this);
             d->doc->setDocumentMargin(0);
         }
         d->doc->setHtml(d->text);
@@ -643,19 +636,18 @@ QPixmap QmlGraphicsTextPrivate::richTextImage(bool drawStyle)
     img.fill(Qt::transparent);
     QPainter p(&img);
 
+    QAbstractTextDocumentLayout::PaintContext context;
+
     if (drawStyle) {
-        QPalette pal = control->palette();
-        pal.setColor(QPalette::Text, styleColor);
-        control->setPalette(pal);
+        context.palette.setColor(QPalette::Text, styleColor);
+        // ### Do we really want this?
         QTextOption colorOption;
         colorOption.setFlags(QTextOption::SuppressColors);
         doc->setDefaultTextOption(colorOption);
     } else {
-        QPalette pal = control->palette();
-        pal.setColor(QPalette::Text, color);
-        control->setPalette(pal);
+        context.palette.setColor(QPalette::Text, color);
     }
-    control->drawContents(&p, QRectF(QPointF(0, 0), QSizeF(size)));
+    doc->documentLayout()->draw(&p, context);
     if (drawStyle)
         doc->setDefaultTextOption(QTextOption());
     return img;
@@ -790,11 +782,11 @@ void QmlGraphicsText::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
     Q_D(QmlGraphicsText);
 
-    if (!d->richText || !d->doc || d->control->anchorAt(event->pos()).isEmpty()) {
+    if (!d->richText || !d->doc || d->doc->documentLayout()->anchorAt(event->pos()).isEmpty()) {
         event->setAccepted(false);
         d->activeLink = QString();
     } else {
-        d->activeLink = d->control->anchorAt(event->pos());
+        d->activeLink = d->doc->documentLayout()->anchorAt(event->pos());
     }
 
     // ### may malfunction if two of the same links are clicked & dragged onto each other)
@@ -819,7 +811,7 @@ void QmlGraphicsText::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
     Q_D(QmlGraphicsText);
 
         // ### confirm the link, and send a signal out
-    if (d->richText && d->doc && d->activeLink == d->control->anchorAt(event->pos()))
+    if (d->richText && d->doc && d->activeLink == d->doc->documentLayout()->anchorAt(event->pos()))
         emit linkActivated(d->activeLink);
     else
         event->setAccepted(false);
diff --git a/src/declarative/graphicsitems/qmlgraphicstext_p_p.h b/src/declarative/graphicsitems/qmlgraphicstext_p_p.h
index 7e77c69..79d1a4f 100644
--- a/src/declarative/graphicsitems/qmlgraphicstext_p_p.h
+++ b/src/declarative/graphicsitems/qmlgraphicstext_p_p.h
@@ -64,7 +64,6 @@ QT_BEGIN_NAMESPACE
 
 class QTextLayout;
 class QTextDocument;
-class QTextControl;
 
 class QmlGraphicsTextPrivate : public QmlGraphicsItemPrivate
 {
@@ -73,7 +72,7 @@ public:
     QmlGraphicsTextPrivate()
       : color((QRgb)0), style(QmlGraphicsText::Normal), imgDirty(true),
         hAlign(QmlGraphicsText::AlignLeft), vAlign(QmlGraphicsText::AlignTop), elideMode(QmlGraphicsText::ElideNone),
-        dirty(true), wrap(false), richText(false), singleline(false), control(0), doc(0),
+        dirty(true), wrap(false), richText(false), singleline(false), doc(0),
         format(QmlGraphicsText::AutoText)
     {
     }
@@ -112,7 +111,6 @@ public:
     bool wrap:1;
     bool richText:1;
     bool singleline:1;
-    QTextControl *control;
     QTextDocument *doc;
     QTextLayout layout;
     QSize cachedLayoutSize;
-- 
cgit v0.12