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lib/python/gladevcp/state_label.py

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+# vim: sts=4 sw=4 et
+# GladeVcp Widgets
+#
+# Copyright (c) 2018  Chris Morley
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import GObject
+
+import hal
+
+if __name__ == "__main__":
+    from hal_widgets import _HalWidgetBase
+else:
+    from .hal_widgets import _HalWidgetBase
+
+from gladevcp.core import Status as GStat
+
+GSTAT = GStat()
+
+class State_Label(Gtk.Label, _HalWidgetBase):
+    __gtype_name__ = "State_Label"
+    __gproperties__ = {
+        'label_type'  : ( GObject.TYPE_INT, 'Label type', '0:metric mode 1:Diameter mode 2:CSS Mode',
+                0, 2, 0, GObject.ParamFlags.READWRITE|GObject.ParamFlags.CONSTRUCT),
+        'true_text' : ( GObject.TYPE_STRING, 'True Text',
+                'Text to display when state is True',
+                "True", GObject.ParamFlags.READWRITE|GObject.ParamFlags.CONSTRUCT),
+        'false_text' : ( GObject.TYPE_STRING, 'False Text',
+                'Text to display when state is False',
+                "False", GObject.ParamFlags.READWRITE|GObject.ParamFlags.CONSTRUCT),
+    }
+    __gproperties = __gproperties__
+
+    def __init__(self, *a, **kw):
+        GObject.GObject.__init__(self)
+        self.true_text = 'True'
+        self.false_text = 'False'
+        self.label_type = 0
+
+    def _hal_init(self):
+        if self.label_type == 0:
+            GSTAT.connect('metric-mode-changed', lambda w,state: self.update(state))
+        elif self.label_type == 1:
+            GSTAT.connect('diameter-mode', lambda w,state: self.update(state))
+        elif self.label_type == 2:
+            GSTAT.connect('css-mode', lambda w,state: self.update(state))
+
+    def update(self, state):
+        if state:
+            self.set_text(self.true_text)
+        else:
+            self.set_text(self.false_text)
+
+    def do_get_property(self, property):
+        name = property.name.replace('-', '_')
+        if name in list(self.__gproperties.keys()):
+            return getattr(self, name)
+        else:
+            raise AttributeError('unknown property %s' % property.name)
+
+    def do_set_property(self, property, value):
+        name = property.name.replace('-', '_')
+        if name in list(self.__gproperties.keys()):
+            return setattr(self, name, value)
+        else:
+            raise AttributeError('unknown property %s' % property.name)
+
+
+# for testing without glade editor:
+def main():
+    window = Gtk.Dialog("My dialog",
+                        None,
+                        modal = True,
+                        destroy_with_parent = True)
+    window.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.REJECT,
+                       Gtk.STOCK_OK, Gtk.ResponseType.ACCEPT)
+    widget = State_Label()
+    widget._hal_init()
+    window.vbox.add(widget)
+    window.connect("destroy", Gtk.main_quit)
+
+    window.show_all()
+    response = window.run()
+    if response == Gtk.ResponseType.ACCEPT:
+       print("ok")
+    else:
+       print("cancel")
+
+if __name__ == "__main__":
+    main()