symbian-qemu-0.9.1-12/python-2.6.1/Lib/plat-irix5/panel.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/plat-irix5/panel.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,284 @@
+# Module 'panel'
+#
+# Support for the Panel library.
+# Uses built-in module 'pnl'.
+# Applications should use 'panel.function' instead of 'pnl.function';
+# most 'pnl' functions are transparently exported by 'panel',
+# but dopanel() is overridden and you have to use this version
+# if you want to use callbacks.
+from warnings import warnpy3k
+warnpy3k("the panel module has been removed in Python 3.0", stacklevel=2)
+del warnpy3k
+
+
+import pnl
+
+
+debug = 0
+
+
+# Test if an object is a list.
+#
+def is_list(x):
+    return type(x) == type([])
+
+
+# Reverse a list.
+#
+def reverse(list):
+    res = []
+    for item in list:
+        res.insert(0, item)
+    return res
+
+
+# Get an attribute of a list, which may itself be another list.
+# Don't use 'prop' for name.
+#
+def getattrlist(list, name):
+    for item in list:
+        if item and is_list(item) and item[0] == name:
+            return item[1:]
+    return []
+
+
+# Get a property of a list, which may itself be another list.
+#
+def getproplist(list, name):
+    for item in list:
+        if item and is_list(item) and item[0] == 'prop':
+            if len(item) > 1 and item[1] == name:
+                return item[2:]
+    return []
+
+
+# Test if an actuator description contains the property 'end-of-group'
+#
+def is_endgroup(list):
+    x = getproplist(list, 'end-of-group')
+    return (x and x[0] == '#t')
+
+
+# Neatly display an actuator definition given as S-expression
+# the prefix string is printed before each line.
+#
+def show_actuator(prefix, a):
+    for item in a:
+        if not is_list(item):
+            print prefix, item
+        elif item and item[0] == 'al':
+            print prefix, 'Subactuator list:'
+            for a in item[1:]:
+                show_actuator(prefix + '    ', a)
+        elif len(item) == 2:
+            print prefix, item[0], '=>', item[1]
+        elif len(item) == 3 and item[0] == 'prop':
+            print prefix, 'Prop', item[1], '=>',
+            print item[2]
+        else:
+            print prefix, '?', item
+
+
+# Neatly display a panel.
+#
+def show_panel(prefix, p):
+    for item in p:
+        if not is_list(item):
+            print prefix, item
+        elif item and item[0] == 'al':
+            print prefix, 'Actuator list:'
+            for a in item[1:]:
+                show_actuator(prefix + '    ', a)
+        elif len(item) == 2:
+            print prefix, item[0], '=>', item[1]
+        elif len(item) == 3 and item[0] == 'prop':
+            print prefix, 'Prop', item[1], '=>',
+            print item[2]
+        else:
+            print prefix, '?', item
+
+
+# Exception raised by build_actuator or build_panel.
+#
+panel_error = 'panel error'
+
+
+# Dummy callback used to initialize the callbacks.
+#
+def dummy_callback(arg):
+    pass
+
+
+# Assign attributes to members of the target.
+# Attribute names in exclist are ignored.
+# The member name is the attribute name prefixed with the prefix.
+#
+def assign_members(target, attrlist, exclist, prefix):
+    for item in attrlist:
+        if is_list(item) and len(item) == 2 and item[0] not in exclist:
+            name, value = item[0], item[1]
+            ok = 1
+            if value[0] in '-0123456789':
+                value = eval(value)
+            elif value[0] == '"':
+                value = value[1:-1]
+            elif value == 'move-then-resize':
+                # Strange default set by Panel Editor...
+                ok = 0
+            else:
+                print 'unknown value', value, 'for', name
+                ok = 0
+            if ok:
+                lhs = 'target.' + prefix + name
+                stmt = lhs + '=' + repr(value)
+                if debug: print 'exec', stmt
+                try:
+                    exec stmt + '\n'
+                except KeyboardInterrupt: # Don't catch this!
+                    raise KeyboardInterrupt
+                except:
+                    print 'assign failed:', stmt
+
+
+# Build a real actuator from an actuator description.
+# Return a pair (actuator, name).
+#
+def build_actuator(descr):
+    namelist = getattrlist(descr, 'name')
+    if namelist:
+        # Assume it is a string
+        actuatorname = namelist[0][1:-1]
+    else:
+        actuatorname = ''
+    type = descr[0]
+    if type[:4] == 'pnl_': type = type[4:]
+    act = pnl.mkact(type)
+    act.downfunc = act.activefunc = act.upfunc = dummy_callback
+    #
+    assign_members(act, descr[1:], ['al', 'data', 'name'], '')
+    #
+    # Treat actuator-specific data
+    #
+    datalist = getattrlist(descr, 'data')
+    prefix = ''
+    if type[-4:] == 'puck':
+        prefix = 'puck_'
+    elif type == 'mouse':
+        prefix = 'mouse_'
+    assign_members(act, datalist, [], prefix)
+    #
+    return act, actuatorname
+
+
+# Build all sub-actuators and add them to the super-actuator.
+# The super-actuator must already have been added to the panel.
+# Sub-actuators with defined names are added as members to the panel
+# so they can be referenced as p.name.
+#
+# Note: I have no idea how panel.endgroup() works when applied
+# to a sub-actuator.
+#
+def build_subactuators(panel, super_act, al):
+    #
+    # This is nearly the same loop as below in build_panel(),
+    # except a call is made to addsubact() instead of addact().
+    #
+    for a in al:
+        act, name = build_actuator(a)
+        act.addsubact(super_act)
+        if name:
+            stmt = 'panel.' + name + ' = act'
+            if debug: print 'exec', stmt
+            exec stmt + '\n'
+        if is_endgroup(a):
+            panel.endgroup()
+        sub_al = getattrlist(a, 'al')
+        if sub_al:
+            build_subactuators(panel, act, sub_al)
+    #
+    # Fix the actuator to which whe just added subactuators.
+    # This can't hurt (I hope) and is needed for the scroll actuator.
+    #
+    super_act.fixact()
+
+
+# Build a real panel from a panel definition.
+# Return a panel object p, where for each named actuator a, p.name is a
+# reference to a.
+#
+def build_panel(descr):
+    #
+    # Sanity check
+    #
+    if (not descr) or descr[0] != 'panel':
+        raise panel_error, 'panel description must start with "panel"'
+    #
+    if debug: show_panel('', descr)
+    #
+    # Create an empty panel
+    #
+    panel = pnl.mkpanel()
+    #
+    # Assign panel attributes
+    #
+    assign_members(panel, descr[1:], ['al'], '')
+    #
+    # Look for actuator list
+    #
+    al = getattrlist(descr, 'al')
+    #
+    # The order in which actuators are created is important
+    # because of the endgroup() operator.
+    # Unfortunately the Panel Editor outputs the actuator list
+    # in reverse order, so we reverse it here.
+    #
+    al = reverse(al)
+    #
+    for a in al:
+        act, name = build_actuator(a)
+        act.addact(panel)
+        if name:
+            stmt = 'panel.' + name + ' = act'
+            exec stmt + '\n'
+        if is_endgroup(a):
+            panel.endgroup()
+        sub_al = getattrlist(a, 'al')
+        if sub_al:
+            build_subactuators(panel, act, sub_al)
+    #
+    return panel
+
+
+# Wrapper around pnl.dopanel() which calls call-back functions.
+#
+def my_dopanel():
+    # Extract only the first 4 elements to allow for future expansion
+    a, down, active, up = pnl.dopanel()[:4]
+    if down:
+        down.downfunc(down)
+    if active:
+        active.activefunc(active)
+    if up:
+        up.upfunc(up)
+    return a
+
+
+# Create one or more panels from a description file (S-expressions)
+# generated by the Panel Editor.
+#
+def defpanellist(file):
+    import panelparser
+    descrlist = panelparser.parse_file(open(file, 'r'))
+    panellist = []
+    for descr in descrlist:
+        panellist.append(build_panel(descr))
+    return panellist
+
+
+# Import everything from built-in method pnl, so the user can always
+# use panel.foo() instead of pnl.foo().
+# This gives *no* performance penalty once this module is imported.
+#
+from pnl import *                       # for export
+
+dopanel = my_dopanel                    # override pnl.dopanel