Changeset 561 for trunk/src/gui/text/qtextdocumentlayout.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/text/qtextdocumentlayout.cpp (modified) (19 diffs)

trunk/src/gui/text/qtextdocumentlayout.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -199 +199 @@
             return cellPadding;
         } else {
-            Q_ASSERT(v.type() == QVariant::Double);
-            return QFixed::fromReal(v.toDouble() * deviceScale);
+            Q_ASSERT(v.userType() == QVariant::Double || v.userType() == QMetaType::Float);
+            return QFixed::fromReal(v.toReal() * deviceScale);
         }
     }
@@ -856 +856 @@
 void QTextDocumentLayoutPrivate::drawFrameDecoration(QPainter *painter, QTextFrame *frame, QTextFrameData *fd, const QRectF &clip, const QRectF &rect) const
 {
+
+    const QBrush bg = frame->frameFormat().background();
+    if (bg != Qt::NoBrush) {
+        QRectF bgRect = rect;
+        bgRect.adjust((fd->leftMargin + fd->border).toReal(),
+                      (fd->topMargin + fd->border).toReal(),
+                      - (fd->rightMargin + fd->border).toReal(),
+                      - (fd->bottomMargin + fd->border).toReal());
+
+        QRectF gradientRect; // invalid makes it default to bgRect
+        QPointF origin = bgRect.topLeft();
+        if (!frame->parentFrame()) {
+            bgRect = clip;
+            gradientRect.setWidth(painter->device()->width());
+            gradientRect.setHeight(painter->device()->height());
+        }
+        fillBackground(painter, bgRect, bg, origin, gradientRect);
+    }
     if (fd->border != 0) {
         painter->save();
@@ -875 +893 @@
 
         painter->restore();
-    }
-
-    const QBrush bg = frame->frameFormat().background();
-    if (bg != Qt::NoBrush) {
-        QRectF bgRect = rect;
-        bgRect.adjust((fd->leftMargin + fd->border).toReal(),
-                      (fd->topMargin + fd->border).toReal(),
-                      - (fd->rightMargin + fd->border).toReal(),
-                      - (fd->bottomMargin + fd->border).toReal());
-
-        QRectF gradientRect; // invalid makes it default to bgRect
-        QPointF origin = bgRect.topLeft();
-        if (!frame->parentFrame()) {
-            bgRect = clip;
-            gradientRect.setWidth(painter->device()->width());
-            gradientRect.setHeight(painter->device()->height());
-        }
-        fillBackground(painter, bgRect, bg, origin, gradientRect);
     }
 }
@@ -1384 +1384 @@
     case QTextListFormat::ListLowerAlpha:
     case QTextListFormat::ListUpperAlpha:
+    case QTextListFormat::ListLowerRoman:
+    case QTextListFormat::ListUpperRoman:
         itemText = static_cast<QTextList *>(object)->itemText(bl);
         size.setWidth(fontMetrics.width(itemText));
@@ -1427 +1429 @@
     case QTextListFormat::ListDecimal:
     case QTextListFormat::ListLowerAlpha:
-    case QTextListFormat::ListUpperAlpha: {
+    case QTextListFormat::ListUpperAlpha:
+    case QTextListFormat::ListLowerRoman:
+    case QTextListFormat::ListUpperRoman: {
         QTextLayout layout(itemText, font, q->paintDevice());
         layout.setCacheEnabled(true);
@@ -1434 +1438 @@
         layout.setTextOption(option);
         layout.beginLayout();
-        layout.createLine();
+        QTextLine line = layout.createLine();
+        if (line.isValid())
+            line.setLeadingIncluded(true);
         layout.endLayout();
         layout.draw(painter, QPointF(r.left(), pos.y()));
@@ -1443 +1449 @@
         break;
     case QTextListFormat::ListCircle:
-        painter->drawEllipse(r);
+        painter->setPen(QPen(brush, 0));
+        painter->drawEllipse(r.translated(0.5, 0.5)); // pixel align for sharper rendering
         break;
     case QTextListFormat::ListDisc:
@@ -1449 +1456 @@
         painter->setPen(Qt::NoPen);
         painter->drawEllipse(r);
-        painter->setBrush(Qt::NoBrush);
         break;
     case QTextListFormat::ListStyleUndefined:
@@ -1991 +1997 @@
     }
 
-    if (y + layoutStruct->frameY + fd->size.height > layoutStruct->pageBottom) {
+    bool frameSpansIntoNextPage = (y + layoutStruct->frameY + fd->size.height > layoutStruct->pageBottom);
+    if (frameSpansIntoNextPage && fd->size.height <= layoutStruct->pageHeight) {
         layoutStruct->newPage();
         y = layoutStruct->y;
+
+        frameSpansIntoNextPage = false;
     }
 
@@ -2014 +2023 @@
 //     qDebug()<< "float positioned at " << fd->position.x << fd->position.y;
     fd->layoutDirty = false;
+
+    // If the frame is a table, then positioning it will affect the size if it covers more than
+    // one page, because of page breaks and repeating the header.
+    if (qobject_cast<QTextTable *>(frame) != 0)
+        fd->sizeDirty = frameSpansIntoNextPage;
 }
 
@@ -2345 +2359 @@
 
                 positionFloat(c);
+
+                // If the size was made dirty when the position was set, layout again
+                if (cd->sizeDirty)
+                    updateRect = layoutFrame(c, layoutFrom, layoutTo);
 
                 QRectF frameRect(cd->position.toPointF(), cd->size.toSizeF());
@@ -2501 +2519 @@
     LDEBUG << "layoutBlock from=" << layoutFrom << "to=" << layoutTo;
 
-//    qDebug() << "layoutBlock; width" << layoutStruct->x_right - layoutStruct->x_left << "(maxWidth is btw" << tl->maximumWidth() << ")";
+//    qDebug() << "layoutBlock; width" << layoutStruct->x_right - layoutStruct->x_left << "(maxWidth is btw" << tl->maximumWidth() << ')';
 
     if (previousBlockFormat) {
@@ -2564 +2582 @@
             if (!line.isValid())
                 break;
+            line.setLeadingIncluded(true);
 
             QFixed left, right;
@@ -2598 +2617 @@
                 layoutStruct->pendingFloats.clear();
 
-                if (haveWordOrAnyWrapMode) {
-                    option.setWrapMode(QTextOption::WrapAnywhere);
-                    tl->setTextOption(option);
-                }
-
                 line.setLineWidth((right-left).toReal());
                 if (QFixed::fromReal(line.naturalTextWidth()) > right-left) {
+                    if (haveWordOrAnyWrapMode) {
+                        option.setWrapMode(QTextOption::WrapAnywhere);
+                        tl->setTextOption(option);
+                    }
+
                     layoutStruct->pendingFloats.clear();
                     // lines min width more than what we have
@@ -2616 +2635 @@
                         right -= text_indent;
                     line.setLineWidth(qMax<qreal>(line.naturalTextWidth(), (right-left).toReal()));
+
+                    if (haveWordOrAnyWrapMode) {
+                        option.setWrapMode(QTextOption::WordWrap);
+                        tl->setTextOption(option);
+                    }
                 }
 
-                if (haveWordOrAnyWrapMode) {
-                    option.setWrapMode(QTextOption::WordWrap);
-                    tl->setTextOption(option);
-                }
             }
 
@@ -3206 +3226 @@
 qreal QTextDocumentLayoutPrivate::scaleToDevice(qreal value) const
 {
-    QPaintDevice *dev = q_func()->paintDevice();
-    if (!dev)
+    if (!paintDevice)
         return value;
-    return value * dev->logicalDpiY() / qreal(qt_defaultDpi());
+    return value * paintDevice->logicalDpiY() / qreal(qt_defaultDpi());
 }
 
 QFixed QTextDocumentLayoutPrivate::scaleToDevice(QFixed value) const
 {
-    QPaintDevice *dev = q_func()->paintDevice();
-    if (!dev)
+    if (!paintDevice)
         return value;
-    return value * QFixed(dev->logicalDpiY()) / QFixed(qt_defaultDpi());
+    return value * QFixed(paintDevice->logicalDpiY()) / QFixed(qt_defaultDpi());
 }