diff options
Diffstat (limited to 'ruby_1_8_6/ext/tk/lib/tkextlib/blt/dragdrop.rb')
| -rw-r--r-- | ruby_1_8_6/ext/tk/lib/tkextlib/blt/dragdrop.rb | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/tk/lib/tkextlib/blt/dragdrop.rb b/ruby_1_8_6/ext/tk/lib/tkextlib/blt/dragdrop.rb new file mode 100644 index 0000000000..68fb9e591a --- /dev/null +++ b/ruby_1_8_6/ext/tk/lib/tkextlib/blt/dragdrop.rb @@ -0,0 +1,214 @@ +# +# 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 |