gui: synchronize result list and table when feasible

src/qtgui/rclmain_w.cpp

@@ -955,6 +955,21 @@ void RclMain::on_actionShowResultsAsTable_toggled(bool on)
     prefs.showResultsAsTable = on;
     restable->setVisible(on);
     reslist->setVisible(!on);
+    if (!on) {
+	displayingTable = false;
+	int docnum = restable->getDetailDocNumOrTopRow();
+	if (docnum >= 0)
+	    reslist->resultPageFor(docnum);
+    } else {
+	displayingTable = true;
+	int docnum = reslist->pageFirstDocNum();
+	if (docnum >= 0) {
+	    restable->makeRowVisible(docnum);
+	}
+	nextPageAction->setEnabled(false);
+	prevPageAction->setEnabled(false);
+	firstPageAction->setEnabled(false);
+    }
 }
 
 void RclMain::on_actionSortByDateAsc_toggled(bool on)
@@ -1313,7 +1328,6 @@ void RclMain::eraseDocHistory()
     }
 }
 
-
 void RclMain::eraseSearchHistory()
 {
     prefs.ssearchHistory.clear();
@@ -1336,13 +1350,16 @@ void RclMain::setUIPrefs()
 
 void RclMain::enableNextPage(bool yesno)
 {
-    nextPageAction->setEnabled(yesno);
+    if (!displayingTable)
+	nextPageAction->setEnabled(yesno);
 }
 
 void RclMain::enablePrevPage(bool yesno)
 {
-    prevPageAction->setEnabled(yesno);
-    firstPageAction->setEnabled(yesno);
+    if (!displayingTable) {
+	prevPageAction->setEnabled(yesno);
+	firstPageAction->setEnabled(yesno);
+    }
 }
 
 QString RclMain::getQueryDescription()

src/qtgui/rclmain_w.h

@@ -122,6 +122,7 @@ private:
     SpellW         *spellform;
     QTimer         *periodictimer;
     ResTable       *restable;
+    bool            displayingTable;
 
     vector<ExecCmd*>  m_viewers;
     map<QString, QAction*> m_stemLangToId;

src/qtgui/restable.cpp

@@ -493,6 +493,24 @@ void ResTable::init()
     splitter->setOrientation(Qt::Vertical);
 }
 
+int ResTable::getDetailDocNumOrTopRow()
+{
+    if (m_detaildocnum >= 0)
+	return m_detaildocnum;
+    QModelIndex modelIndex = tableView->indexAt(QPoint(0, 0));
+    return modelIndex.row();
+}
+
+void ResTable::makeRowVisible(int row)
+{
+    LOGDEB(("ResTable::showRow(%d)\n", row));
+    QModelIndex modelIndex = m_model->index(row, 0);
+    tableView->scrollTo(modelIndex, QAbstractItemView::PositionAtTop);
+    tableView->selectionModel()->clear();
+    m_detail->clear();
+    m_detaildocnum = -1;
+ }
+
 // This is called by rclmain_w prior to exiting
 void ResTable::saveColState()
 {

src/qtgui/restable.h

@@ -113,6 +113,8 @@ public:
     virtual ~ResTable() {}
     virtual RecollModel *getModel() {return m_model;}
     virtual ResTableDetailArea* getDetailArea() {return m_detail;}
+    virtual int getDetailDocNumOrTopRow();
+
 public slots:
     virtual void onTableView_currentChanged(const QModelIndex&);
     virtual void on_tableView_entered(const QModelIndex& index);
@@ -135,6 +137,7 @@ public slots:
     virtual void addColumn();
     virtual void resetSort(); // Revert to natural (relevance) order
     virtual void linkWasClicked(const QUrl&);
+    virtual void makeRowVisible(int row);
 
 signals:
     void docPreviewClicked(int, Rcl::Doc, int);