Mercurial > parpg-core

comparison src/parpg/gui/menus.py @ 0:1fd2201f5c36

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Initial commit of parpg-core.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 14 May 2011 01:12:35 -0700
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children d60f1dab8469
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1 # This file is part of PARPG.
2
3 # PARPG is free software: you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation, either version 3 of the License, or
6 # (at your option) any later version.
7
8 # PARPG is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
12
13 # You should have received a copy of the GNU General Public License
14 # along with PARPG. If not, see <http://www.gnu.org/licenses/>.
15
16 import os
17 import logging
18
19 from fife.extensions import pychan
20 from dialogs import RestartDialog
21
22 logger = logging.getLogger('menus')
23
24 class ContextMenu(object):
25 def __init__(self, engine, menu_items, pos):
26 """@type engine: engine.Engine
27 @param engine: An instance of the class Engine from engine.py
28 @type menu_items: list
29 @param menu_items: A list of items containing the name and
30 text for the menu item and callback
31 i.e. [["menu", "Some text", Callback]
32 @type pos: (int, int)
33 @param pos: Screen position to use
34 @return: None"""
35 self.vbox = pychan.widgets.VBox(position=pos)
36 events_to_map = {}
37 for item in menu_items:
38 p = pychan.widgets.Button(name=item[0], text=unicode(item[1]))
39 self.vbox.addChild(p)
40 events_to_map [item[0]] = self.actionDecorator(*item[2:])
41 self.vbox.mapEvents(events_to_map)
42
43 def show(self):
44 """Shows the context menu"""
45 self.vbox.show()
46 def hide(self):
47 """Hides the context menu"""
48 self.vbox.hide()
49
50 def actionDecorator (self,func, *args, **kwargs):
51 """This function is supposed to add some generic that should be
52 executed before and/or after an action is fired through the
53 context menu.
54
55 @type func: Any callable
56 @param func: The original action function
57 @param args: Unpacked list of positional arguments
58 @param kwargs: Unpacked list of keyword arguments
59 @return: A wrapped version of func"""
60 def decoratedFunc ():
61 """ This is the actual wrapped version of func, that is returned.
62 It takes no external arguments, so it can safely be passed around
63 as a callback."""
64 # some stuff that we do before the actual action is executed
65 self.hide()
66 # run the action function, and record the return value
67 ret_val = func (*args,**kwargs)
68 # we can eventually add some post-action code here, if needed (e.g. logging)
69 pass
70 # return the value, as if the original function was called
71 return ret_val
72 return decoratedFunc
73
74 class SettingsMenu(object):
75 def __init__(self, engine, settings):
76 self.engine = engine
77 self.settings = settings
78
79 width = self.settings.fife.ScreenWidth
80 height = self.settings.fife.ScreenHeight
81
82 # available options
83 screen_modes = self.engine.getDeviceCaps().getSupportedScreenModes()
84 resolutions = list(set([(mode.getWidth(), mode.getHeight())
85 for mode in screen_modes]))
86 self.resolutions = ["{0}x{1}".format(item[0], item[1])
87 for item in sorted(resolutions)[1:]]
88
89 self.render_backends = ['OpenGL', 'SDL']
90 self.lighting_models = range(3)
91
92 # selected options
93 self.resolution = "{0}x{1}".format(width, height)
94 self.render_backend = self.settings.fife.RenderBackend
95 self.lighting_model = self.settings.fife.Lighting
96 self.fullscreen = self.settings.fife.FullScreen
97 self.sound = self.settings.fife.EnableSound
98
99 self.window = pychan.loadXML(os.path.join(self.settings.system_path,
100 self.settings.parpg.GuiPath,
101 'settings_menu.xml'))
102 self.restart_dialog = RestartDialog(self.settings)
103 self.window.mapEvents({'okButton': self.save,
104 'cancelButton': self.hide,
105 'defaultButton': self.reset})
106 self.initializeWidgets()
107 self.fillWidgets()
108
109 def initializeWidgets(self):
110 initial_data = {'screen_resolution': self.resolutions,
111 'render_backend': self.render_backends,
112 'lighting_model': self.lighting_models}
113
114 self.window.distributeInitialData(initial_data)
115
116
117 def fillWidgets(self):
118 resolution = self.resolutions.index(self.resolution)
119 backend = self.render_backends.index(self.render_backend)
120 lighting = self.lighting_models.index(self.lighting_model)
121
122 self.window.distributeData({'screen_resolution': resolution,
123 'render_backend': backend,
124 'lighting_model': lighting,
125 'enable_fullscreen': self.fullscreen,
126 'enable_sound': self.sound})
127
128 def show(self):
129 self.window.show()
130
131 def hide(self):
132 self.window.hide()
133
134 def reset(self):
135 self.settings.read(self.settings.system_path)
136 self.fillWidgets()
137
138 def save(self):
139 (resolution, backend, lighting,
140 fullscreen, sound) = self.window.collectData('screen_resolution',
141 'render_backend',
142 'lighting_model',
143 'enable_fullscreen',
144 'enable_sound')
145
146 width, height = self.resolutions[resolution].split('x')
147 self.settings.fife.ScreenWidth = width
148 self.settings.fife.ScreenHeight = height
149 self.settings.fife.RenderBackend = self.render_backends[backend]
150 self.settings.fife.Lighting = self.lighting_models[lighting]
151 self.settings.fife.FullScreen = fullscreen
152 self.settings.fife.EnableSound = sound
153 self.settings.write()
154
155 self.restart_dialog.show()
156 self.hide()