Basic command prompt functionality

command_box.py

@@ -1,11 +0,0 @@
-from kivy.uix.label import Label
-
-class Command_box(Label):
-    
-    def __init__(self,app,**kwargs):
-        # app is used to share information between widgets
-        self.app=app
-
-        # init Label
-        super(Command_box,self).__init__(**kwargs)
-

command_prompt.py

@@ -0,0 +1,30 @@
+from kivy.uix.label import Label
+from kivy.core.window import Window
+
+class Command_prompt(Label):
+    
+    def __init__(self,app,**kwargs):
+        # app is used to share information between widgets
+        self.app=app
+
+        # insert mode
+        self.insert=False
+
+        # init Label
+        super(Command_prompt,self).__init__(**kwargs)
+
+        self.keyboard = Window.request_keyboard(None,self,"text")
+        self.keyboard.bind(on_textinput=self.on_textinput,on_key_down=self.on_key_down)
+
+    def on_key_down(self, keyboard, keycode, text, modifiers):
+        if self.insert:
+            if keycode[1]=="enter":
+                self.insert=False
+                self.text=""
+
+    def on_textinput(self,window,text):
+        if self.insert:
+            self.text+=text
+        elif text==':':
+            self.text+=text
+            self.insert=True

jam.kv

@@ -12,9 +12,10 @@
   text_size: self.size
   markup: True
   color: (0,0,0,1)
+  font_name: "RobotoMono-Regular"
 
 
-<Command_box>:
+<Command_prompt>:
   canvas.before:
     Color:
       rgb: 0,0,0
@@ -24,4 +25,5 @@
   size_hint_y: None
   height: 20
   text_size: self.size
+  font_name: "RobotoMono-Regular"
   

main.py

@@ -5,7 +5,7 @@ from kivy.config import Config
 
 from cross import Cross,Cross_painter
 from status_bar import Status_bar
-from command_box import Command_box
+from command_prompt import Command_prompt
 
 # App class
 class Jam_app(App):
@@ -14,12 +14,14 @@ class Jam_app(App):
 
     def build(self):
         layout=BoxLayout(orientation="vertical")
+
         self.painter=Cross_painter(self)
         self.status_bar=Status_bar(self)
-        self.command_box=Command_box(self)
+        self.command_prompt=Command_prompt(self)
+
         layout.add_widget(self.painter)
         layout.add_widget(self.status_bar)
-        layout.add_widget(self.command_box)
+        layout.add_widget(self.command_prompt)
         return layout