Add basic components support

pulsar/main.py

@@ -1,29 +1,30 @@
 import vgl
-import time
+import colorama
+import os
+import importlib.util
 
 window = vgl.Window(title="Pulsar", size=(1024, 768))
 
-def horizontal_indicator():
-    global window
-    frame = vgl.Frame().attach(window_object=window, poscale=(0, 0), clone_name="Horizontal Indicator")
-    vgl.elements.Line(ends=[(0.4, 0.5), (0.6, 0.5)], color="green").attach(frame_object=frame)
-    pass
+def loader():
+    components_dir = "components"
+    for i in os.listdir(components_dir):
+        if i.endswith(".py") and (not i.startswith("__")):
+            module_name = i[:-3]
+            module_path = os.path.join(components_dir, i)
 
-def marking_lines():
-    global window
-    frame = vgl.Frame().attach(window_object=window, poscale=(0,0), clone_name="Marking Line")
-    lines = list()
-    for i in range(0, 24):
-        lines.append(vgl.elements.Line(ends=[(0, i/24), (1, i/24)], color="green").attach(frame_object=frame))
-    for i in range(0, 32):
-        lines.append(vgl.elements.Line(ends=[(i/32, 0), (i/32, 1)], color="green").attach(frame_object=frame))
-    @window.observerize
-    def observer(info):
-        if info["delta"] == "key":
-            print(info)
-        for i in lines:
-            i.set_color('#' + str((info['cursor']['position'][0] + info['cursor']['position'][1]*100 + info['cursor']['position'][0]*10000) % 999999).zfill(6))
-    observer()
+            spec = importlib.util.spec_from_file_location(module_name, module_path)
+            module = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(module)
+            try:
+                if hasattr(module, "main") and callable(module.main):
+                    print(f"[ .... ] Starting {module.name} module")
+                    try:
+                        module.main(window=window)
+                        print(f"[{colorama.Fore.GREEN}  OK  {colorama.Style.RESET_ALL}] Started {module.name} module")
+                    except Exception as e:
+                        print(f"[{colorama.Fore.RED}FAILED{colorama.Style.RESET_ALL}] Failed to start {module_name} module: {e}")
+            except:
+                print(f"Unsupported module: {module_name}.py")
 
 def console():
     print("You've entered Pulsar's command console, an embbedded Python interpreter for debugging & testing")
@@ -37,11 +38,11 @@ def console():
             print("An error occured & captured")
 
 if __name__ == '__main__':
+    os.chdir(os.path.dirname(os.path.abspath(__file__)))
     print("Welcome to AiraPulsar Client")
     window.start()
-    horizontal_indicator()
-    marking_lines()
+    loader()
     console()
-    input("任意键以退出")
+    print("Quitting")
     window.kill()
     exit()