buttons enabled by selection

panels/grapheditor.cpp

@@ -58,11 +58,11 @@ GraphEditor::GraphEditor(QWidget* parent) : QDockWidget(parent), row(NULL) {
 	left_tool_layout->addWidget(keyframe_nav);
 	left_tool_layout->addStretch();
 
-	QPushButton* linear_button = new QPushButton("Linear");
+	linear_button = new QPushButton("Linear");
 	linear_button->setCheckable(true);
-	QPushButton* bezier_button = new QPushButton("Bezier");
+	bezier_button = new QPushButton("Bezier");
 	bezier_button->setCheckable(true);
-	QPushButton* hold_button = new QPushButton("Hold");
+	hold_button = new QPushButton("Hold");
 	hold_button->setCheckable(true);
 
 	center_tool_layout->addStretch();
@@ -70,27 +70,6 @@ GraphEditor::GraphEditor(QWidget* parent) : QDockWidget(parent), row(NULL) {
 	center_tool_layout->addWidget(bezier_button);
 	center_tool_layout->addWidget(hold_button);
 
-	/*QPushButton* tool_arrow_button = new QPushButton();
-	tool_arrow_button->setCheckable(true);
-	tool_arrow_button->setIcon(QIcon(":/icons/arrow.png"));
-	tool_arrow_button->setProperty("tool", TIMELINE_TOOL_POINTER);
-	tool_buttons.append(tool_arrow_button);
-	QPushButton* tool_hand_button = new QPushButton();
-	tool_hand_button->setCheckable(true);
-	tool_hand_button->setIcon(QIcon(":/icons/hand.png"));
-	tool_hand_button->setProperty("tool", TIMELINE_TOOL_HAND);
-	tool_buttons.append(tool_hand_button);
-	QPushButton* tool_zoom_button = new QPushButton();
-	tool_zoom_button->setCheckable(true);
-	tool_zoom_button->setIcon(QIcon(":/icons/zoomin.png"));
-	tool_zoom_button->setProperty("tool", TIMELINE_TOOL_ZOOM);
-	tool_buttons.append(tool_zoom_button);
-
-	right_tool_layout->addStretch();
-	for (int i=0;i<tool_buttons.size();i++) {
-		right_tool_layout->addWidget(tool_buttons.at(i));
-	}*/
-
 	layout->addWidget(tool_widget);
 
 	QWidget* central_widget = new QWidget();
@@ -114,7 +93,7 @@ GraphEditor::GraphEditor(QWidget* parent) : QDockWidget(parent), row(NULL) {
 
 	current_row_desc = new QLabel();
 	values->addWidget(current_row_desc);
-
+1
 	QWidget* central_value_widget = new QWidget();
 	value_layout = new QHBoxLayout();
 	value_layout->setMargin(0);
@@ -126,6 +105,7 @@ GraphEditor::GraphEditor(QWidget* parent) : QDockWidget(parent), row(NULL) {
 
 	connect(view, SIGNAL(zoom_changed(double)), header, SLOT(update_zoom(double)));
 	connect(view, SIGNAL(x_scroll_changed(int)), header, SLOT(set_scroll(int)));
+	connect(view, SIGNAL(selection_changed(bool)), this, SLOT(set_key_button_enabled(bool)));
 }
 
 void GraphEditor::update_panel() {
@@ -195,6 +175,12 @@ void GraphEditor::set_row(EffectRow *r) {
 	update_panel();
 }
 
+void GraphEditor::set_key_button_enabled(bool e) {
+	linear_button->setEnabled(e);
+	bezier_button->setEnabled(e);
+	hold_button->setEnabled(e);
+}
+
 void GraphEditor::passthrough_slider_value() {
 	for (int i=0;i<slider_proxies.size();i++) {
 		if (slider_proxies.at(i) == sender()) {

panels/grapheditor.h

@@ -13,9 +13,9 @@ class QLabel;
 class KeyframeNavigator;
 
 class GraphEditor : public QDockWidget {
-    Q_OBJECT
+	Q_OBJECT
 public:
-    GraphEditor(QWidget* parent = 0);
+	GraphEditor(QWidget* parent = 0);
 	void update_panel();
 	void set_row(EffectRow* r);
 private:
@@ -27,7 +27,11 @@ private:
 	QLabel* current_row_desc;
 	EffectRow* row;
 	KeyframeNavigator* keyframe_nav;
+	QPushButton* linear_button;
+	QPushButton* bezier_button;
+	QPushButton* hold_button;
 private slots:
+	void set_key_button_enabled(bool e);
 	void passthrough_slider_value();
 };
 

ui/graphview.cpp

@@ -185,6 +185,8 @@ void GraphView::mousePressEvent(QMouseEvent *event) {
 	}
 
 	update();
+
+	emit selection_changed(selected_keys.size() > 0);
 }
 
 void GraphView::mouseMoveEvent(QMouseEvent *event) {
@@ -261,6 +263,11 @@ void GraphView::wheelEvent(QWheelEvent *event) {
 }
 
 void GraphView::set_row(EffectRow *r) {
+	selected_keys.clear();
+	selected_keys_fields.clear();
+	selected_keys_old_vals.clear();
+	selected_keys_old_doubles.clear();
+	emit selection_changed(false);
 	row = r;
 	update();
 }

ui/graphview.h

@@ -24,6 +24,7 @@ signals:
 	void x_scroll_changed(int);
 	void y_scroll_changed(int);
 	void zoom_changed(double);
+	void selection_changed(bool);
 private:
 	int x_scroll;
 	int y_scroll;