# HG changeset patch
# User Chris Cannam
# Date 1213718876 0
# Node ID 96531861b2f3ddfb93373fb2f6377aa37315faab
# Parent  32acd578fcba54ee87a01417ca8d08be90e9ebd8
* a bit of progress on retaining current row when sorting changes &c

diff -r 32acd578fcba -r 96531861b2f3 widgets/ModelDataTableDialog.cpp
--- a/widgets/ModelDataTableDialog.cpp	Mon Jun 16 14:48:42 2008 +0000
+++ b/widgets/ModelDataTableDialog.cpp	Tue Jun 17 16:07:56 2008 +0000
@@ -36,7 +36,8 @@
 
 ModelDataTableDialog::ModelDataTableDialog(TabularModel *model, QString title, QWidget *parent) :
     QMainWindow(parent),
-    m_currentRow(0)
+    m_currentRow(0),
+    m_trackPlayback(false)
 {
     setWindowTitle(tr("Data Editor"));
 
@@ -106,6 +107,8 @@
             SLOT(currentChanged(const QModelIndex &, const QModelIndex &)));
     connect(m_table, SIGNAL(addCommand(Command *)),
             this, SLOT(addCommand(Command *)));
+    connect(m_table, SIGNAL(currentChanged(const QModelIndex &)),
+            this, SLOT(currentChangedThroughResort(const QModelIndex &)));
 
     QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Close);
     connect(bb, SIGNAL(rejected()), this, SLOT(close()));
@@ -133,9 +136,31 @@
 }
 
 void
-ModelDataTableDialog::scrollToFrameRequested(unsigned long frame)
+ModelDataTableDialog::userScrolledToFrame(unsigned long frame)
 {
-    m_tableView->scrollTo(m_table->getModelIndexForFrame(frame));
+    QModelIndex index = m_table->getModelIndexForFrame(frame);
+    makeCurrent(index.row());
+}
+
+void
+ModelDataTableDialog::playbackScrolledToFrame(unsigned long frame)
+{
+    if (m_trackPlayback) {
+        QModelIndex index = m_table->getModelIndexForFrame(frame);
+        makeCurrent(index.row());
+    }
+}
+
+void
+ModelDataTableDialog::makeCurrent(int row)
+{
+    int rh = m_tableView->height() / m_tableView->rowHeight(0);
+    int topRow = row - rh/2;
+    if (topRow < 0) topRow = 0;
+    m_tableView->scrollTo
+        (m_table->getModelIndexForRow(topRow));
+    m_tableView->selectionModel()->setCurrentIndex
+        (m_table->getModelIndexForRow(row), QItemSelectionModel::Select);
 }
 
 void
@@ -160,6 +185,7 @@
               << " to " << current.row() << ", " << current.column() 
               << std::endl;
     m_currentRow = current.row();
+    m_table->setCurrentRow(m_currentRow);
 }
 
 void
@@ -189,3 +215,13 @@
     CommandHistory::getInstance()->addCommand(command, false, true);
 }
 
+void
+ModelDataTableDialog::currentChangedThroughResort(const QModelIndex &index)
+{
+    std::cerr << "ModelDataTableDialog::currentChangedThroughResort: row = " << index.row() << std::endl;
+//  m_tableView->scrollTo(index);
+    makeCurrent(index.row());
+}
+
+
+    
diff -r 32acd578fcba -r 96531861b2f3 widgets/ModelDataTableDialog.h
--- a/widgets/ModelDataTableDialog.h	Mon Jun 16 14:48:42 2008 +0000
+++ b/widgets/ModelDataTableDialog.h	Tue Jun 17 16:07:56 2008 +0000
@@ -36,22 +36,26 @@
     void scrollToFrame(unsigned long frame);
 
 public slots:
-    void scrollToFrameRequested(unsigned long frame);
+    void userScrolledToFrame(unsigned long frame);
+    void playbackScrolledToFrame(unsigned long frame);
     void addCommand(Command *);
 
 protected slots:
     void viewClicked(const QModelIndex &);
     void viewPressed(const QModelIndex &);
     void currentChanged(const QModelIndex &, const QModelIndex &);
+    void currentChangedThroughResort(const QModelIndex &);
     
     void insertRow();
     void deleteRows();
     void editRow();
 
 protected:
+    void makeCurrent(int row);
     ModelDataTableModel *m_table;
     QTableView *m_tableView;
     int m_currentRow;
+    bool m_trackPlayback;
 };
 
 #endif