added slots for button click signals

src/chroma_window.cpp

@@ -41,6 +41,9 @@ void ChromaWindow::createControls() {
     color_remove->setGeometry(320-10, 155, 75, 20);
     color_okay = new QPushButton(tr("Set Keys"), this);
     color_okay->setGeometry(320-10,210, 75, 20);
+    connect(color_add, SIGNAL(clicked()), this, SLOT(colorAdd()));
+    connect(color_remove, SIGNAL(clicked()), this, SLOT(colorRemove()));
+    connect(color_okay, SIGNAL(clicked()), this, SLOT(colorSet()));
 }
 
 
@@ -55,3 +58,13 @@ void ChromaWindow::openColorSelectTolerance() {
     string_low->setText(tr("<b>Tolerance -</b>"));
     string_high->setText(tr("<b>Tolerance +</b>"));
 }
+
+void ChromaWindow::colorAdd() {
+    
+}
+void ChromaWindow::colorRemove() {
+    
+}
+void ChromaWindow::colorSet() {
+    
+}

src/chroma_window.h

@@ -11,6 +11,9 @@ public:
 public slots:
     void openColorSelectRange();
     void openColorSelectTolerance();
+    void colorAdd();
+    void colorRemove();
+    void colorSet();
 private:
     void createControls();
     QRadioButton *button_select_range, *button_select_tolerance;