added connect button, needs testing

pycrocart/Connection.py

+from PyQt5.QtWidgets import QPushButton, QGridLayout, QWidget, QHBoxLayout, QComboBox
+
+
+class Connection(QWidget):
+
+    def __init__(self):
+    
+        super().__init__()
+        
+        self.dropdown = QComboBox(self)
+        self.dropdown.addItem("radio://45/")
+        self.dropdown.addItem("radio://100/")
+        self.dropdown.setFixedWidth(150)
+        
+        self.connect = QPushButton("Connect", self)
+        self.connect.setFixedWidth(100)
+
+        self.scan = QPushButton("Scan", self)
+        self.scan.setFixedWidth(100)
+        
+        button_layout = QHBoxLayout()
+        button_layout.addWidget(self.dropdown)
+        button_layout.addWidget(self.connect)
+        button_layout.addWidget(self.scan)
+        button_layout.addStretch(1)
+        
+        self.show()
+

pycrocart/PyCroCart.py

@@ -8,7 +8,7 @@ groundstation and launches the gui.
 """
 
 import sys
-from PyQt5.QtWidgets import QApplication, QMainWindow, QTabWidget
+from PyQt5.QtWidgets import QApplication, QMainWindow, QTabWidget, QHBoxLayout, QVBoxLayout
 import uCartCommander
 from CrazyflieProtoConnection import CrazyflieProtoConnection
 from ControlTab import ControlTab
@@ -32,6 +32,24 @@ class PyCroCart(QMainWindow):
     def __init__(self, cf: CrazyflieProtoConnection,
                  setpoint_handler: SetpointHandler):
         super().__init__()
+        
+        self.dropdown = QComboBox(self)
+        self.dropdown.addItem("radio://45/")
+        self.dropdown.addItem("radio://100/")
+        self.dropdown.setFixedWidth(150)
+        
+        self.connect = QPushButton("Connect", self)
+        self.connect.setFixedWidth(100)
+
+        self.scan = QPushButton("Scan", self)
+        self.scan.setFixedWidth(100)
+        
+        button_layout = QHBoxLayout()
+        button_layout.addWidget(self.dropdown)
+        button_layout.addWidget(self.connect)
+        button_layout.addWidget(self.scan)
+        button_layout.addStretch(1)
+
 
         self.joystick_reader = JoystickReader()
 
@@ -51,7 +69,14 @@ class PyCroCart(QMainWindow):
         self.tabs.addTab(self.tab3, "Parameter Window")
         self.tabs.addTab(self.tab4, "Logging Window")
 
-        self.setCentralWidget(self.tabs)
+        main_layout = QHBoxLayout()
+        main_layout.addLayout(button_layout)
+        main_layout.addWidget(self.tabs)
+
+        widget = QWidget()
+        widget.setLayout(main_layout)
+
+        self.setCentralWidget(widget)
         # self.show()
 
 
@@ -61,7 +86,7 @@ if __name__ == '__main__':
     app = QApplication(sys.argv)
 
     cf1 = CrazyflieProtoConnection()
-    uri = 'radio://0/20/2M/E7E7E7E7E7'
+    uri = 'radio://0/60/2M/E7E7E7E7E7'
     cf1.connect(uri)
     cf1.scf.cf.commander = uCartCommander.Commander(cf1.scf.cf)