demo of piano example

examples/piano.py

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+import time
+import sys
+sys.path.append("../")
+from appJar import gui
+
+notes = ["a5", "b5", "c5", "d5", "e5", "f5", "g5", "a6", "b6", "c6"]
+
+recording = False
+
+def status():
+    app.setStatusbar("Recording: " + str(recording), 0)
+
+def press(btn):
+    dur = app.getOptionBox("Duration:")
+    val = btn + "," + dur
+    if recording:
+        app.addListItem("notes", val)
+
+    app.playNote(btn, dur)
+
+def hover_in(btn):
+    app.setLabelBg(btn, "gray")
+
+def hover_out(btn):
+    app.setLabelBg(btn, "white")
+
+def buttons(btn):
+    global recording
+    if btn == "Record":
+        recording = True
+        app.enableButton("Stop")
+        app.disableButton("Record")
+        app.disableButton("Play")
+        app.disableButton("Clear")
+    elif btn == "Stop":
+        recording = False
+        app.disableButton("Stop")
+        app.enableButton("Record")
+        app.enableButton("Play")
+        app.enableButton("Clear")
+    elif btn == "Play":
+        app.setStatusbar("Playing: True", 1)
+        app.disableButton("Stop")
+        app.disableButton("Record")
+        app.disableButton("Play")
+        app.disableButton("Clear")
+        notes = app.getAllListItems("notes")
+        for pos, note in enumerate(notes):
+            note,dur = note.split(",")[0], note.split(",")[1]
+            app.selectListItemPos("notes", pos)
+            print(note, dur)
+            time.sleep(1)
+
+        app.setStatusbar("Playing: False", 1)
+        app.enableButton("Record")
+        app.enableButton("Play")
+        app.enableButton("Clear")
+    elif btn == "Clear":
+        app.clearListBox("notes")
+
+###############
+# Create GUI
+###############
+app = gui("Piano")
+app.setBg("purple")
+app.startLabelFrame("PyPiano")
+app.setPadding([5,5])
+
+for pos, note in enumerate(notes):
+    app.addEmptyLabel(note, 0, pos)
+    app.setLabelFunction(note, press)
+    app.setLabelBg(note, "white")
+    app.setLabelRelief(note, "ridge")
+    app.setLabelWidth(note, 5)
+    app.setLabelHeight(note, 5)
+    app.setLabelOverFunction(note, [hover_in, hover_out])
+    app.setLabelTooltip(note, note)
+
+app.addLabelOptionBox("Duration:", ["Breve", "Semi-breve", "Minim", "Crotchet"], 1, pos-3, 4)
+
+app.stopLabelFrame()
+
+app.startLabelFrame("Notes", 0, 10, 1, 3)
+app.setPadding([5,1])
+app.addListBox("notes", [])
+app.stopLabelFrame()
+
+app.addButtons(["Record", "Stop", "Play", "Clear"], buttons, 2, 0, 10)
+app.disableButton("Stop")
+app.addStatusbar(fields=3)
+app.registerEvent(status)
+
+app.go()