/Videomode/plugin.py: - use StaticText for Buttons
[enigma2.git] / lib / python / Components / GUISkin.py
index b918e90881e26d9f74a19d83ac8e98021095dd36..1bd2729700ad3b28751e4ec87461b983646fd4ec 100644 (file)
@@ -1,65 +1,93 @@
-from GUIComponent import *
+from GUIComponent import GUIComponent
+from skin import applyAllAttributes
+from Tools.CList import CList
 
 class GUISkin:
+       __module__ = __name__
+
        def __init__(self):
-               pass
-       
-       def createGUIScreen(self, parent):
-               for (name, val) in self.items():
+               self.onLayoutFinish = [ ]
+               self.summaries = CList()
+               self.instance = None
+               self.desktop = None
+
+       def createGUIScreen(self, parent, desktop, updateonly = False):
+               for val in self.renderer:
+                       if isinstance(val, GUIComponent):
+                               if not updateonly:
+                                       val.GUIcreate(parent)
+                               if not val.applySkin(desktop, self):
+                                       print "warning, skin is missing renderer", val, "in", self
+
+               for key in self:
+                       val = self[key]
                        if isinstance(val, GUIComponent):
-                               val.GUIcreate(parent, None)
-       
+                               if not updateonly:
+                                       val.GUIcreate(parent)
+                               depr = val.deprecationInfo
+                               if val.applySkin(desktop, self):
+                                       if depr:
+                                               print "WARNING: OBSOLETE COMPONENT '%s' USED IN SKIN. USE '%s' INSTEAD!" % (key, depr[0])
+                                               print "OBSOLETE COMPONENT WILL BE REMOVED %s, PLEASE UPDATE!" % (depr[1])
+                               elif not depr:
+                                       print "warning, skin is missing element", key, "in", self
+
+               for w in self.additionalWidgets:
+                       if not updateonly:
+                               w.instance = w.widget(parent)
+                               # w.instance.thisown = 0
+                       applyAllAttributes(w.instance, desktop, w.skinAttributes, self.scale)
+
+               for f in self.onLayoutFinish:
+                       if type(f) is not type(self.close): # is this the best way to do this?
+                               exec(f) in globals(), locals()
+                       else:
+                               f()
+
        def deleteGUIScreen(self):
                for (name, val) in self.items():
                        if isinstance(val, GUIComponent):
                                val.GUIdelete()
-                       try:
-                               val.fix()
-                       except:
-                               pass
-                       
-                       # DIESER KOMMENTAR IST NUTZLOS UND MITTLERWEILE VERALTET! (glaub ich)
-                       # BITTE NICHT LESEN!
-                       # note: you'll probably run into this assert. if this happens, don't panic!
-                       # yes, it's evil. I told you that programming in python is just fun, and 
-                       # suddently, you have to care about things you don't even know.
-                       #
-                       # but calm down, the solution is easy, at least on paper:
-                       #
-                       # Each Component, which is a GUIComponent, owns references to each
-                       # instantiated eWidget (namely in screen.data[name]["instance"], in case
-                       # you care.)
-                       # on deleteGUIscreen, all eWidget *must* (!) be deleted (otherwise,
-                       # well, problems appear. I don't want to go into details too much,
-                       # but this would be a memory leak anyway.)
-                       # The assert beyond checks for that. It asserts that the corresponding
-                       # eWidget is about to be removed (i.e., that the refcount becomes 0 after
-                       # running deleteGUIscreen).
-                       # (You might wonder why the refcount is checked for 2 and not for 1 or 0 -
-                       # one reference is still hold by the local variable 'w', another one is
-                       # hold be the function argument to sys.getrefcount itself. So only if it's
-                       # 2 at this point, the object will be destroyed after leaving deleteGUIscreen.)
-                       #
-                       # Now, how to fix this problem? You're holding a reference somewhere. (References
-                       # can only be hold from Python, as eWidget itself isn't related to the c++
-                       # way of having refcounted objects. So it must be in python.)
-                       #
-                       # It could be possible that you're calling deleteGUIscreen trough a call of
-                       # a PSignal. For example, you could try to call screen.doClose() in response
-                       # to a Button::click. This will fail. (It wouldn't work anyway, as you would
-                       # remove a dialog while running it. It never worked - enigma1 just set a 
-                       # per-mainloop variable on eWidget::close() to leave the exec()...)
-                       # That's why Session supports delayed closes. Just call Session.close() and
-                       # it will work.
-                       #
-                       # Another reason is that you just stored the data["instance"] somewhere. or
-                       # added it into a notifier list and didn't removed it.
-                       #
-                       # If you can't help yourself, just ask me. I'll be glad to help you out.
-                       # Sorry for not keeping this code foolproof. I really wanted to archive
-                       # that, but here I failed miserably. All I could do was to add this assert.
-#                      assert sys.getrefcount(w) == 2, "too many refs hold to " + str(w)
-       
+
        def close(self):
                self.deleteGUIScreen()
 
+       def createSummary(self):
+               return None
+
+       def addSummary(self, summary):
+               self.summaries.append(summary)
+
+       def removeSummary(self, summary):
+               self.summaries.remove(summary)
+
+       def setTitle(self, title):
+               self.instance.setTitle(title)
+               self.title = title
+               self.summaries.setTitle(title)
+
+       def setDesktop(self, desktop):
+               self.desktop = desktop
+
+       def applySkin(self):
+               z = 0
+               title = ""
+               baseres = (720, 576) # FIXME: a skin might have set another resolution, which should be the base res
+               for (key, value) in self.skinAttributes:
+                       if key == "zPosition":
+                               z = int(value)
+                       elif key == "title":
+                               title = value
+                       elif key == "baseResolution":
+                               baseres = tuple([int(x) for x in value.split(',')])
+               self.scale = ((baseres[0], baseres[0]), (baseres[1], baseres[1]))
+
+               if not self.instance:
+                       from enigma import eWindow
+                       self.instance = eWindow(self.desktop, z)
+
+               # we need to make sure that certain attributes come last
+               self.skinAttributes.sort(key=lambda a: {"position": 1}.get(a[0], 0))
+               self.title = title
+               applyAllAttributes(self.instance, self.desktop, self.skinAttributes, self.scale)
+               self.createGUIScreen(self.instance, self.desktop)