1 from Tools.Profile import profile
3 profile("LOAD:GUISkin")
4 from Components.GUISkin import GUISkin
6 from Components.Sources.Source import Source
7 profile("LOAD:GUIComponent")
8 from Components.GUIComponent import GUIComponent
9 profile("LOAD:eRCInput")
10 from enigma import eRCInput
12 class Screen(dict, GUISkin):
14 False, SUSPEND_STOPS, SUSPEND_PAUSES = range(3)
19 def __init__(self, session, parent = None):
21 self.skinName = self.__class__.__name__
22 self.session = session
24 GUISkin.__init__(self)
27 self.onFirstExecBegin = [ ]
28 self.onExecBegin = [ ]
37 # already shown is false until the screen is really shown (after creation)
38 self.already_shown = False
42 # in order to support screens *without* a help,
43 # we need the list in every screen. how ironic.
46 self.close_on_next_exec = None
48 # stand alone screens (for example web screens)
49 # don't care about having or not having focus.
50 self.stand_alone = False
51 self.keyboardMode = None
53 def saveKeyboardMode(self):
54 rcinput = eRCInput.getInstance()
55 self.keyboardMode = rcinput.getKeyboardMode()
57 def setKeyboardModeAscii(self):
58 rcinput = eRCInput.getInstance()
59 rcinput.setKeyboardMode(rcinput.kmAscii)
61 def setKeyboardModeNone(self):
62 rcinput = eRCInput.getInstance()
63 rcinput.setKeyboardMode(rcinput.kmNone)
65 def restoreKeyboardMode(self):
66 rcinput = eRCInput.getInstance()
67 if self.keyboardMode is not None:
68 rcinput.setKeyboardMode(self.keyboardMode)
71 self.active_components = [ ]
72 if self.close_on_next_exec is not None:
73 tmp = self.close_on_next_exec
74 self.close_on_next_exec = None
78 single = self.onFirstExecBegin
79 self.onFirstExecBegin = []
80 for x in self.onExecBegin + single:
82 if not self.stand_alone and self.session.current_dialog != self:
85 # assert self.session == None, "a screen can only exec once per time"
86 # self.session = session
88 for val in self.values() + self.renderer:
90 if not self.stand_alone and self.session.current_dialog != self:
92 self.active_components.append(val)
96 for x in self.onShown:
100 active_components = self.active_components
101 # for (name, val) in self.items():
102 self.active_components = None
103 for val in active_components:
105 # assert self.session != None, "execEnd on non-execing screen!"
106 # self.session = None
109 # never call this directly - it will be called from the session!
112 for x in self.onClose:
115 # fixup circular references
119 # first disconnect all render from their sources.
120 # we might split this out into a "unskin"-call,
121 # but currently we destroy the screen afterwards
123 for val in self.renderer:
124 val.disconnectAll() # disconnected converter/sources and probably destroy them. Sources will not be destroyed.
127 for (name, val) in self.items():
133 # really delete all elements now
134 self.__dict__.clear()
136 def close(self, *retval):
138 self.close_on_next_exec = retval
140 self.session.close(self, *retval)
142 def setFocus(self, o):
143 self.instance.setFocus(o.instance)
146 if (self.shown and self.already_shown) or not self.instance:
149 self.already_shown = True
151 for x in self.onShow:
153 for val in self.values() + self.renderer:
154 if isinstance(val, GUIComponent) or isinstance(val, Source):
158 if not self.shown or not self.instance:
162 for x in self.onHide:
164 for val in self.values() + self.renderer:
165 if isinstance(val, GUIComponent) or isinstance(val, Source):
169 return str(type(self))
171 def getRelatedScreen(self, name):
172 if name == "session":
173 return self.session.screen
174 elif name == "parent":
176 elif name == "global":
177 return self.global_screen