Import LinuxCNC source tree

share/gscreen/skins/tester/tester_handler.py

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+import hal
+
+# This is a handler file for using Gscreen's infrastructure
+# to load a completely custom glade screen.
+# The only things that really matters is that it's saved as a GTK builder project,
+# the toplevel window is caller window1 (The default name) and you connect a destroy
+# window signal else you can't close down linuxcnc 
+
+# standard handler call
+def get_handlers(halcomp,builder,useropts,gscreen):
+     return [HandlerClass(halcomp,builder,useropts,gscreen)]
+
+class HandlerClass:
+
+    # This will be pretty standard to gain access to everything
+    # emc is for control and status of linuxcnc
+    # data is important data from gscreen and linuxcnc
+    # widgets is all the widgets from the glade files
+    # gscreen is for access to gscreens methods
+    def __init__(self, halcomp,builder,useropts,gscreen):
+            self.emc = gscreen.emc
+            self.data = gscreen.data
+            self.widgets = gscreen.widgets
+            self.gscreen = gscreen
+
+    # This connects siganals without using glade's autoconnect method
+    # in this case to destroy the window
+    # it calls the method in gscreen: gscreen.on_window_destroy()
+    def connect_signals(self,handlers):
+        signal_list = [ ["window1","destroy", "on_window1_destroy"],]
+        for i in signal_list:
+            if len(i) == 3:
+                self.gscreen.widgets[i[0]].connect(i[1], self.gscreen[i[2]])
+            elif len(i) == 4:
+                self.gscreen.widgets[i[0]].connect(i[1], self.gscreen[i[2]],i[3])
+
+    # We don't want Gscreen to initialize it's regular widgets because this custom
+    # screen doesn't have most of them. So we add this function call.
+    # Since this custom screen uses gladeVCP magic for its interaction with linuxcnc
+    # We don't add much to this function, but we do want the window to display.
+    # init_show_window will do this
+    def initialize_widgets(self):
+        self.gscreen.init_show_windows()
+
+    # If we need extra HAL pins here is where we do it.
+    # Note you must import hal at the top of this script to do it.
+    # For gaxis there is no extra pins but since we don't want gscreen to
+    # add it's default pins we added this dunmmy function
+    def initialize_pins(self):
+        pass
+
+    # every 100 milli seconds this gets called
+    # add pass so gscreen doesn't try to update it's regular widgets or
+    # add the individual function names that you would like to call.
+    def periodic(self):
+        pass
+