Add code for hooking up table higlight/select events

RENCI · Jan 2, 2020 · 13b3e4a · 13b3e4a
1 parent ba2af57
commit 13b3e4a
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Showing 6 changed files with 111 additions and 9 deletions.
diff --git a/MainWindow.cxx b/MainWindow.cxx
@@ -51,6 +51,8 @@ MainWindow::MainWindow() {
 
 	QObject::connect(regionTable, &RegionTable::regionDone, this, &MainWindow::on_regionDone);
 	QObject::connect(regionTable, &RegionTable::removeRegion, this, &MainWindow::on_removeRegion);
+	QObject::connect(regionTable, &RegionTable::highlightRegion, this, &MainWindow::on_highlightRegion);
+	QObject::connect(regionTable, &RegionTable::selectRegion, this, &MainWindow::on_selectRegion);
 
 	qApp->installEventFilter(this);
 }
@@ -70,8 +72,8 @@ void MainWindow::updateRegion(Region* region) {
 	regionTable->update(region);
 }
 
-void MainWindow::highlightRegion(unsigned short label) {
-	regionTable->highlight(label);
+void MainWindow::selectRegion(unsigned short label) {
+	regionTable->selectRegionLabel(label);
 }
 
 void MainWindow::on_actionOpen_Image_File_triggered() {
@@ -353,10 +355,19 @@ void MainWindow::on_actionSmoothSurfaces(bool checked) {
 void MainWindow::on_regionDone(int label, bool done) {
 	visualizationContainer->SetRegionDone((unsigned short)label, done);
 }
+
 void MainWindow::on_removeRegion(int label) {
 	visualizationContainer->RemoveRegion((unsigned short)label);
 }
 
+void MainWindow::on_highlightRegion(int label) {
+	visualizationContainer->HighlightRegion((unsigned short)label);
+}
+
+void MainWindow::on_selectRegion(int label) {
+	visualizationContainer->SelectRegion((unsigned short)label);
+}
+
 bool MainWindow::eventFilter(QObject* obj, QEvent* event) {
 	if (event->type() == QEvent::Enter) {
 		if (obj == qvtkWidgetLeft) {

diff --git a/MainWindow.h b/MainWindow.h
@@ -21,7 +21,7 @@ class MainWindow : public QMainWindow, private Ui::MainWindow {
 
 	void updateRegions(RegionCollection* regions);
 	void updateRegion(Region* region);
-	void highlightRegion(unsigned short label);
+	void selectRegion(unsigned short label);
 
 public slots:
 
@@ -55,6 +55,8 @@ public slots:
 	// Region table events
 	virtual void on_regionDone(int label, bool done);
 	virtual void on_removeRegion(int label);
+	virtual void on_highlightRegion(int label);
+	virtual void on_selectRegion(int label);
 
 protected:
 	// The visualization container

diff --git a/RegionTable.cxx b/RegionTable.cxx
@@ -23,11 +23,15 @@ RegionTable::RegionTable(QWidget* parent)
 	verticalHeader()->setVisible(false);
 	setSortingEnabled(true);
 	resizeColumnsToContents();
-
+	setMouseTracking(true);
 	setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
 
+	currentRegionLabel = 0;
+
 	QObject::connect(horizontalHeader(), &QHeaderView::sortIndicatorChanged, this, &RegionTable::on_sort);
 	QObject::connect(this, &RegionTable::removeRegion, this, &RegionTable::on_removeRegion);
+	QObject::connect(this, &RegionTable::cellEntered, this, &RegionTable::on_cellEntered);
+	QObject::connect(this, &RegionTable::cellClicked, this, &RegionTable::on_cellClicked);
 }
 
 void RegionTable::update(RegionCollection* regions) {
@@ -131,7 +135,7 @@ void RegionTable::update(RegionCollection* regions) {
 	// Need to reconnect after disabling and enabling sorting
 	QObject::connect(horizontalHeader(), &QHeaderView::sortIndicatorChanged, this, &RegionTable::on_sort);
 
-	highlight(0);
+	selectRegionLabel(currentRegionLabel);
 }
 
 void RegionTable::update(Region* region) {
@@ -160,8 +164,9 @@ void RegionTable::update(Region* region) {
 	}
 }
 
-void RegionTable::highlight(unsigned short label) {
-	QString labelString = QString::number(label);
+void RegionTable::selectRegionLabel(unsigned short label) {
+	currentRegionLabel = label;
+	QString labelString = QString::number(currentRegionLabel);
 
 	for (int i = 0; i < rowCount(); i++) {
 		QTableWidgetItem* ti = item(i, 0);
@@ -195,4 +200,57 @@ void RegionTable::on_removeRegion(int label) {
 			break;
 		}
 	}
+}
+
+void RegionTable::on_cellEntered(int row, int column) {
+	QString labelString = QString::number(currentRegionLabel);
+
+	if (column == 0) {
+		// Highlight
+		for (int i = 0; i < rowCount(); i++) {
+			QTableWidgetItem* ti = item(i, 0);
+
+			if (ti->text() == labelString) continue;
+
+			if (i == row) {
+				ti->setBackgroundColor(QColor("#bfe6f5"));
+			}
+			else {
+				ti->setBackgroundColor(QColor("white"));
+			}
+		}
+	}
+	else {
+		// Clear highlight
+		for (int i = 0; i < rowCount(); i++) {
+			QTableWidgetItem* ti = item(i, 0);
+
+			if (ti->text() == labelString) continue;
+
+			ti->setBackgroundColor(QColor("white"));
+		}
+	}
+
+	emit(highlightRegion(rowLabel(row)));
+}
+
+void RegionTable::on_cellClicked(int row, int column) {
+	emit(selectRegion(rowLabel(row)));
+}
+
+void RegionTable::leaveEvent(QEvent* event) {
+	// Clear highlight
+	QString labelString = QString::number(currentRegionLabel);
+
+	for (int i = 0; i < rowCount(); i++) {
+		QTableWidgetItem* ti = item(i, 0);
+
+		if (ti->text() == labelString) continue;
+
+		ti->setBackgroundColor(QColor("white"));
+	}
+}
+
+int RegionTable::rowLabel(int row) {
+	return item(row, 0)->text().toInt();
 }
diff --git a/RegionTable.h b/RegionTable.h
@@ -13,15 +13,26 @@ class RegionTable : public QTableWidget {
 
 	void update(RegionCollection* regions);
 	void update(Region* region);
-	void highlight(unsigned short label);
+	void selectRegionLabel(unsigned short label);
 
 public slots:
 	void on_sort();
 	void on_removeRegion(int label);
+	void on_cellEntered(int row, int column);
+	void on_cellClicked(int row, int column);
 
 signals:
 	void regionDone(int label, bool done);
 	void removeRegion(int label);
+	void highlightRegion(int label);
+	void selectRegion(int label);
+
+protected:
+	int currentRegionLabel;
+
+	void leaveEvent(QEvent *event);
+
+	int rowLabel(int row);
 };
 
 #endif
diff --git a/VisualizationContainer.cxx b/VisualizationContainer.cxx
@@ -423,7 +423,7 @@ void VisualizationContainer::SetCurrentRegion(Region* region) {
 	volumeView->SetCurrentRegion(currentRegion);
 	sliceView->SetCurrentRegion(currentRegion); 
 
-	qtWindow->highlightRegion(region ? region->GetLabel() : 0);
+	qtWindow->selectRegion(region ? region->GetLabel() : 0);
 }
 
 void VisualizationContainer::RelabelCurrentRegion() {
@@ -635,6 +635,24 @@ void VisualizationContainer::RemoveRegion(unsigned short label) {
 	Render();
 }
 
+void VisualizationContainer::HighlightRegion(unsigned short label) {
+	Region* region = regions->Get(label);
+
+//	std::cout << "HIGHLIGHT" << std::endl;
+
+	Render();
+}
+
+
+void VisualizationContainer::SelectRegion(unsigned short label) {
+	Region* region = regions->Get(label);
+
+	SetCurrentRegion(region);
+
+	Render();
+}
+
+
 void VisualizationContainer::Render() {
 	volumeView->Render();
 	sliceView->Render();

diff --git a/VisualizationContainer.h b/VisualizationContainer.h
@@ -63,6 +63,8 @@ class VisualizationContainer {
 	void GrowRegion(int x, int y, int z);
 	void RemoveRegion(unsigned short label);
 	void SetRegionDone(unsigned short label, bool done);
+	void HighlightRegion(unsigned short label);
+	void SelectRegion(unsigned short label);
 
 	void Render();