1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
#
# tkextlib/blt/dragdrop.rb
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
require 'tk/itemconfig'
require 'tkextlib/blt.rb'
module Tk::BLT
module DragDrop
extend TkCore
TkCommandNames = ['::blt::drag&drop'.freeze].freeze
class Token < TkWindow
WidgetClassName = 'DragDropToken'.freeze
WidgetClassNames[WidgetClassName] = self
def initialize(arg)
if arg.kind_of?(Hash) # arg is a hash includes the widgetpath of token
arg = _symbolkey2str(arg)
install_win(nil, arg['widgetname'])
else # arg is a drag&drop source
tk_call('::blt::drag&drop', 'source', arg)
install_win(nil, tk_call('::blt::drag&drop', 'token', arg))
end
end
end
###################################
extend TkItemConfigMethod
extend Tk::ValidateConfigure
class << self
def __item_config_cmd(id) # id := ['source'|'target', win]
['::blt::drag&drop', id[0], id[1]]
end
private :__item_config_cmd
def __item_boolval_optkeys(id)
super(id) << 'selftarget'
end
private :__item_boolval_optkeys
def __item_listval_optkeys(id)
super(id) << 'send'
end
private :__item_listval_optkeys
def __item_strval_optkeys(id)
super(id) << 'rejectbg' << 'rejectfg' << 'tokenbg'
end
private :__item_strval_optkeys
undef itemcget
private :itemconfigure, :itemconfiginfo, :current_itemconfiginfo
def source_configure(win, slot, value=None)
itemconfigure(['source', win], slot, value)
end
def source_configinfo(win, slot=nil)
itemconfiginfo(['source', win], slot)
end
def current_source_configinfo(win, slot=nil)
current_itemconfiginfo(['source', win], slot)
end
end
class PackageCommand < TkValidateCommand
class ValidateArgs < TkUtil::CallbackSubst
KEY_TBL = [
[ ?t, ?w, :token ],
[ ?W, ?w, :widget ],
nil
]
PROC_TBL = [
[ ?w, TkComm.method(:window) ],
nil
]
_setup_subst_table(KEY_TBL, PROC_TBL)
def self.ret_val(val)
val
end
end
def self._config_keys
['packagecmd']
end
end
class SiteCommand < TkValidateCommand
class ValidateArgs < TkUtil::CallbackSubst
KEY_TBL = [
[ ?s, ?b, :compatible ],
[ ?t, ?w, :token ],
nil
]
PROC_TBL = [
[ ?b, TkComm.method(:bool) ],
[ ?w, TkComm.method(:window) ],
nil
]
_setup_subst_table(KEY_TBL, PROC_TBL)
def self.ret_val(val)
val
end
end
def self._config_keys
['sitecmd']
end
end
def self.__validation_class_list
super() << PackageCommand << SiteCommand
end
class << self
Tk::ValidateConfigure.__def_validcmd(binding, PackageCommand)
Tk::ValidateConfigure.__def_validcmd(binding, SiteCommand)
end
###################################
class DnD_Handle < TkUtil::CallbackSubst
KEY_TBL = [
[ ?i, ?s, :ip_name ],
[ ?v, ?v, :value ],
[ ?W, ?w, :widget ],
nil
]
PROC_TBL = [
[ ?i, TkComm.method(:string) ],
[ ?v, TkComm.method(:tk_tcl2ruby) ],
[ ?w, TkComm.method(:window) ],
nil
]
_setup_subst_table(KEY_TBL, PROC_TBL)
end
def self.source_handler(win, datatype, cmd=Proc.new, *args)
_bind_for_event_class(DnD_Handle,
['::blt::drag&drop', 'source', win, 'handler'],
cmd, *args)
end
def self.target_handler(win, datatype, cmd=Proc.new, *args)
_bind_for_event_class(DnD_Handle,
['::blt::drag&drop', 'target', win, 'handler'],
cmd, *args)
end
###################################
def self.init_source(win)
tk_call('::blt::drag&drop', 'source', win)
end
def self.source()
list(tk_call('::blt::drag&drop', 'source'))
end
def self.source_handler_list(win)
simplelist(tk_call('::blt::drag&drop', 'source', win, 'handler'))
end
def self.source_handler_info(win, type)
tk_tcl2ruby(tk_call('::blt::drag&drop', 'source', win, 'handler', type))
end
def self.target
list(tk_call('::blt::drag&drop', 'target'))
end
def self.target_handler_list(win)
simplelist(tk_call('::blt::drag&drop', 'target', win, 'handler'))
end
def self.handle_target(win, type, val=None)
tk_call('::blt::drag&drop', 'target', win, 'handle', type, val)
end
def self.token(win)
window(tk_call('::blt::drag&drop', 'token', win))
end
def self.drag(win, x, y)
tk_call('::blt::drag&drop', 'drag', win, x, y)
end
def self.drop(win, x, y)
tk_call('::blt::drag&drop', 'drop', win, x, y)
end
def self.errors(cmd=Proc.new)
tk_call('::blt::drag&drop', 'errors', cmd)
end
def self.active
bool(tk_call('::blt::drag&drop', 'active'))
end
def self.location(x=None, y=None)
list(tk_call('::blt::drag&drop', 'location', x, y))
end
end
end
|