projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| d14a1e28 RD |
1 | |
| 2 | ||
| 3 | #--------------------------------------------------------------------------- | |
| 4 | ||
| 5 | class PyEventBinder(object): | |
| 6 | """ | |
| 7 | Instances of this class are used to bind specific events to event | |
| 8 | handlers. | |
| 9 | """ | |
| 10 | def __init__(self, evtType, expectedIDs=0): | |
| 11 | if expectedIDs not in [0, 1, 2]: | |
| 12 | raise ValueError, "Invalid number of expectedIDs" | |
| 13 | self.expectedIDs = expectedIDs | |
| 14 | ||
| 15 | if type(evtType) == list or type(evtType) == tuple: | |
| 16 | self.evtType = evtType | |
| 17 | else: | |
| 18 | self.evtType = [evtType] | |
| 19 | ||
| 20 | ||
| 21 | def Bind(self, target, id1, id2, function): | |
| 22 | """Bind this set of event types to target.""" | |
| 23 | for et in self.evtType: | |
| 24 | target.Connect(id1, id2, et, function) | |
| 25 | ||
| dce2bd22 | 26 | |
| ded6ea23 RD |
27 | def Unbind(self, target, id1, id2): |
| 28 | """Remove an event binding.""" | |
| 29 | success = 0 | |
| 30 | for et in self.evtType: | |
| 31 | success += target.Disconnect(id1, id2, et) | |
| 32 | return success != 0 | |
| dce2bd22 | 33 | |
| d576c660 RD |
34 | def _getEvtType(self): |
| 35 | """ | |
| 36 | Make it easy to get to the default wxEventType typeID for this | |
| 37 | event binder. | |
| 38 | """ | |
| 39 | return self.evtType[0] | |
| 40 | ||
| 41 | typeId = property(_getEvtType) | |
| 42 | ||
| d14a1e28 RD |
43 | |
| 44 | def __call__(self, *args): | |
| 45 | """ | |
| 46 | For backwards compatibility with the old EVT_* functions. | |
| 47 | Should be called with either (window, func), (window, ID, | |
| 48 | func) or (window, ID1, ID2, func) parameters depending on the | |
| 49 | type of the event. | |
| 50 | """ | |
| 51 | assert len(args) == 2 + self.expectedIDs | |
| 52 | id1 = wx.ID_ANY | |
| 53 | id2 = wx.ID_ANY | |
| 54 | target = args[0] | |
| 55 | if self.expectedIDs == 0: | |
| 56 | func = args[1] | |
| 57 | elif self.expectedIDs == 1: | |
| 58 | id1 = args[1] | |
| 59 | func = args[2] | |
| 60 | elif self.expectedIDs == 2: | |
| 61 | id1 = args[1] | |
| 62 | id2 = args[2] | |
| 63 | func = args[3] | |
| 64 | else: | |
| 65 | raise ValueError, "Unexpected number of IDs" | |
| 66 | ||
| 67 | self.Bind(target, id1, id2, func) | |
| 68 | ||
| 69 | ||
| 70 | # These two are square pegs that don't fit the PyEventBinder hole... | |
| 71 | def EVT_COMMAND(win, id, cmd, func): | |
| 72 | win.Connect(id, -1, cmd, func) | |
| 73 | def EVT_COMMAND_RANGE(win, id1, id2, cmd, func): | |
| 74 | win.Connect(id1, id2, cmd, func) | |
| 75 | ||
| 76 | ||
| 77 | #--------------------------------------------------------------------------- |