Changeset 561 for trunk/src/gui/itemviews/qcolumnview.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/itemviews/qcolumnview.cpp (modified) (18 diffs)

trunk/src/gui/itemviews/qcolumnview.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.
 ** $QT_END_LICENSE$
 **
@@ -53 +53 @@
 #include <qpainter.h>
 #include <qdebug.h>
-#include <qpainterpath.h>
 
 QT_BEGIN_NAMESPACE
@@ -65 +64 @@
     \ingroup model-view
     \ingroup advanced
-    \mainclass
+
 
     QColumnView displays a model in a number of QListViews, one for each
@@ -109 +108 @@
     Q_Q(QColumnView);
     q->setTextElideMode(Qt::ElideMiddle);
-    q->connect(&currentAnimation, SIGNAL(frameChanged(int)),
-            q->horizontalScrollBar(), SLOT(setValue(int)));
-    q->connect(&currentAnimation, SIGNAL(finished()), q, SLOT(_q_changeCurrentColumn()));
+#ifndef QT_NO_ANIMATION
+    QObject::connect(&currentAnimation, SIGNAL(finished()), q, SLOT(_q_changeCurrentColumn()));
+    currentAnimation.setDuration(ANIMATION_DURATION_MSEC);
+    currentAnimation.setTargetObject(hbar);
+    currentAnimation.setPropertyName("value");
+    currentAnimation.setEasingCurve(QEasingCurve::InOutQuad);
+#endif //QT_NO_ANIMATION
     delete itemDelegate;
     q->setItemDelegate(new QColumnViewDelegate(q));
@@ -261 +264 @@
         return;
 
-    if (d->currentAnimation.state() == QTimeLine::Running)
+#ifndef QT_NO_ANIMATION
+    if (d->currentAnimation.state() == QPropertyAnimation::Running)
         return;
 
     d->currentAnimation.stop();
+#endif //QT_NO_ANIMATION
 
     // Fill up what is needed to get to index
@@ -327 +332 @@
     }
 
-    //horizontalScrollBar()->setValue(newScrollbarValue);
-    //d->_q_changeCurrentColumn();
-    //return;
-    // or do the following currentAnimation
-
-    int oldValue = horizontalScrollBar()->value();
-
-    if (oldValue < newScrollbarValue) {
-        d->currentAnimation.setFrameRange(oldValue, newScrollbarValue);
-        d->currentAnimation.setDirection(QTimeLine::Forward);
-        d->currentAnimation.setCurrentTime(0);
-    } else {
-        d->currentAnimation.setFrameRange(newScrollbarValue, oldValue);
-        d->currentAnimation.setDirection(QTimeLine::Backward);
-    }
+#ifndef QT_NO_ANIMATION
+    d->currentAnimation.setEndValue(newScrollbarValue);
     d->currentAnimation.start();
+#else
+    horizontalScrollBar()->setValue(newScrollbarValue);
+#endif //QT_NO_ANIMATION
 }
 
@@ -411 +406 @@
 {
     Q_Q(QColumnView);
-    if (currentAnimation.state() == QTimeLine::Running)
-        return;
+#ifndef QT_NO_ANIMATION
+    if (currentAnimation.state() == QPropertyAnimation::Running)
+        return;
+#endif //QT_NO_ANIMATION
 
     // find the total horizontal length of the laid out columns
@@ -422 +419 @@
     }
 
-    QSize viewportSize = q->viewport()->size();
-    if (horizontalLength < viewportSize.width() && q->horizontalScrollBar()->value() == 0) {
-        q->horizontalScrollBar()->setRange(0, 0);
+    QSize viewportSize = viewport->size();
+    if (horizontalLength < viewportSize.width() && hbar->value() == 0) {
+        hbar->setRange(0, 0);
     } else {
         int visibleLength = qMin(horizontalLength + q->horizontalOffset(), viewportSize.width());
         int hiddenLength = horizontalLength - visibleLength;
-        if (hiddenLength != q->horizontalScrollBar()->maximum())
-            q->horizontalScrollBar()->setRange(0, hiddenLength);
+        if (hiddenLength != hbar->maximum())
+            hbar->setRange(0, hiddenLength);
     }
     if (!columns.isEmpty()) {
         int pageStepSize = columns.at(0)->width();
-        if (pageStepSize != q->horizontalScrollBar()->pageStep())
-            q->horizontalScrollBar()->setPageStep(pageStepSize);
-    }
-    bool visible = (q->horizontalScrollBar()->maximum() > 0);
-    if (visible != q->horizontalScrollBar()->isVisible())
-        q->horizontalScrollBar()->setVisible(visible);
+        if (pageStepSize != hbar->pageStep())
+            hbar->setPageStep(pageStepSize);
+    }
+    bool visible = (hbar->maximum() > 0);
+    if (visible != hbar->isVisible())
+        hbar->setVisible(visible);
 }
 
@@ -676 +673 @@
     if (model->hasChildren(index)) {
         view = q->createColumn(index);
-        q->connect(view, SIGNAL(clicked(const QModelIndex &)),
-                   q, SLOT(_q_clicked(const QModelIndex &)));
+        q->connect(view, SIGNAL(clicked(QModelIndex)),
+                   q, SLOT(_q_clicked(QModelIndex)));
     } else {
         if (!previewColumn)
@@ -685 +682 @@
     }
 
-    q->connect(view, SIGNAL(activated(const QModelIndex &)),
-            q, SIGNAL(activated(const QModelIndex &)));
-    q->connect(view, SIGNAL(clicked(const QModelIndex &)),
-            q, SIGNAL(clicked(const QModelIndex &)));
-    q->connect(view, SIGNAL(doubleClicked(const QModelIndex &)),
-            q, SIGNAL(doubleClicked(const QModelIndex &)));
-    q->connect(view, SIGNAL(entered(const QModelIndex &)),
-            q, SIGNAL(entered(const QModelIndex &)));
-    q->connect(view, SIGNAL(pressed(const QModelIndex &)),
-            q, SIGNAL(pressed(const QModelIndex &)));
+    q->connect(view, SIGNAL(activated(QModelIndex)),
+            q, SIGNAL(activated(QModelIndex)));
+    q->connect(view, SIGNAL(clicked(QModelIndex)),
+            q, SIGNAL(clicked(QModelIndex)));
+    q->connect(view, SIGNAL(doubleClicked(QModelIndex)),
+            q, SIGNAL(doubleClicked(QModelIndex)));
+    q->connect(view, SIGNAL(entered(QModelIndex)),
+            q, SIGNAL(entered(QModelIndex)));
+    q->connect(view, SIGNAL(pressed(QModelIndex)),
+            q, SIGNAL(pressed(QModelIndex)));
 
     view->setFocusPolicy(Qt::NoFocus);
-    view->setParent(q->viewport());
+    view->setParent(viewport);
     Q_ASSERT(view);
 
@@ -708 +705 @@
 
     if (columnSizes.count() > columns.count()) {
-        view->setGeometry(0, 0, columnSizes.at(columns.count()), q->viewport()->height());
+        view->setGeometry(0, 0, columnSizes.at(columns.count()), viewport->height());
     } else {
         int initialWidth = view->sizeHint().width();
         if (q->isRightToLeft())
-            view->setGeometry(q->viewport()->width() - initialWidth, 0, initialWidth, q->viewport()->height());
+            view->setGeometry(viewport->width() - initialWidth, 0, initialWidth, viewport->height());
         else
-            view->setGeometry(0, 0, initialWidth, q->viewport()->height());
+            view->setGeometry(0, 0, initialWidth, viewport->height());
         columnSizes.resize(qMax(columnSizes.count(), columns.count() + 1));
         columnSizes[columns.count()] = initialWidth;
@@ -897 +894 @@
     \reimp
 */
+void QColumnView::rowsInserted(const QModelIndex &parent, int start, int end)
+{
+    QAbstractItemView::rowsInserted(parent, start, end);
+    d_func()->checkColumnCreation(parent);
+}
+
+/*!
+    \reimp
+*/
 void QColumnView::currentChanged(const QModelIndex &current, const QModelIndex &previous)
 {
@@ -1037 +1043 @@
 ,showResizeGrips(true)
 ,offset(0)
-,currentAnimation(ANIMATION_DURATION_MSEC)
 ,previewWidget(0)
 ,previewColumn(0)
@@ -1049 +1054 @@
 /*!
     \internal
+
+  */
+void QColumnViewPrivate::_q_columnsInserted(const QModelIndex &parent, int start, int end)
+{
+    QAbstractItemViewPrivate::_q_columnsInserted(parent, start, end);
+    checkColumnCreation(parent);
+}
+
+/*!
+    \internal
+
+    Makes sure we create a corresponding column as a result of changing the model.
+
+  */
+void QColumnViewPrivate::checkColumnCreation(const QModelIndex &parent)
+{
+    if (parent == q_func()->currentIndex() && model->hasChildren(parent)) {
+        //the parent has children and is the current
+        //let's try to find out if there is already a mapping that is good
+        for (int i = 0; i < columns.count(); ++i) {
+            QAbstractItemView *view = columns.at(i);
+            if (view->rootIndex() == parent) {
+                if (view == previewColumn) {
+                    //let's recreate the parent
+                    closeColumns(parent, false);
+                    createColumn(parent, true /*show*/);
+                }
+                break;
+            }
+        }
+    }
+}
+
+/*!
+    \internal
     Place all of the columns where they belong inside of the viewport, resize as necessary.
 */
@@ -1057 +1097 @@
         return;
 
-    int viewportHeight = q->viewport()->height();
+    int viewportHeight = viewport->height();
     int x = columns.at(0)->x();
 
     if (q->isRightToLeft()) {
-        x = q->viewport()->width() + q->horizontalOffset();
+        x = viewport->width() + q->horizontalOffset();
         for (int i = 0; i < columns.size(); ++i) {
             QAbstractItemView *view = columns.at(i);
@@ -1117 +1157 @@
     if (index.model()->hasChildren(index)) {
         const QWidget *view = opt.widget;
-        QStyle *style = view ? view->style() : qApp->style();
+        QStyle *style = view ? view->style() : QApplication::style();
         style->drawPrimitive(QStyle::PE_IndicatorColumnViewArrow, &opt, painter, view);
     }