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author | nagai <nagai@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-05-01 16:09:54 +0000 |
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committer | nagai <nagai@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-05-01 16:09:54 +0000 |
commit | 4c4631c2daaf7b2418c1f0e39292c8ee27a64813 (patch) | |
tree | dfeb96c4772df8caba4e01e749c8f3e1262f8fe0 /ext/tk/lib/tkafter.rb | |
parent | ce23680755e4e9ab0eed9dc6adb091ef7f1c58cb (diff) | |
download | ruby-4c4631c2daaf7b2418c1f0e39292c8ee27a64813.tar.gz |
* renewal Ruby/Tk
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/tk/lib/tkafter.rb')
-rw-r--r-- | ext/tk/lib/tkafter.rb | 414 |
1 files changed, 2 insertions, 412 deletions
diff --git a/ext/tk/lib/tkafter.rb b/ext/tk/lib/tkafter.rb index 53e78b8808..f65945884c 100644 --- a/ext/tk/lib/tkafter.rb +++ b/ext/tk/lib/tkafter.rb @@ -1,414 +1,4 @@ # -# tkafter.rb : methods for Tcl/Tk after command +# tkafter.rb - load tk/after.rb # -# $Id$ -# -require 'tk' - -class TkTimer - include TkCore - extend TkCore - - TkCommandNames = ['after'.freeze].freeze - - Tk_CBID = ['a'.freeze, '00000'.taint].freeze - Tk_CBTBL = {}.taint - - TkCore::INTERP.add_tk_procs('rb_after', 'id', <<-'EOL') - if {[set st [catch {ruby [format "TkTimer.callback %%Q!%s!" $id]} ret]] != 0} { - return -code $st $ret - } { - return $ret - } - EOL - - - ############################### - # class methods - ############################### - def self.callback(obj_id) - @after_id = nil - ex_obj = Tk_CBTBL[obj_id] - return "" if ex_obj == nil; # canceled - ex_obj.cb_call - end - - def self.info - tk_call('after', 'info').split(' ').collect!{|id| - ret = Tk_CBTBL.find{|key,val| val.after_id == id} - (ret == nil)? id: ret[1] - } - end - - ############################### - # instance methods - ############################### - def do_callback - @in_callback = true - begin - @return_value = @current_proc.call(self) - rescue Exception => e - if @cancel_on_exception - cancel - @return_value = e - return e - else - fail e - end - end - if @set_next - set_next_callback(@current_args) - else - @set_next = true - end - @in_callback = false - @return_value - end - - def set_callback(sleep, args=nil) - @after_script = "rb_after #{@id}" - @after_id = tk_call('after', sleep, @after_script) - @current_args = args - @current_script = [sleep, @after_script] - self - end - - def set_next_callback(args) - if @running == false || @proc_max == 0 || @do_loop == 0 - Tk_CBTBL.delete(@id) ;# for GC - @running = false - @wait_var.value = 0 - return - end - if @current_pos >= @proc_max - if @do_loop < 0 || (@do_loop -= 1) > 0 - @current_pos = 0 - else - Tk_CBTBL.delete(@id) ;# for GC - @running = false - @wait_var.value = 0 - return - end - end - - @current_args = args - - if @sleep_time.kind_of? Proc - sleep = @sleep_time.call(self) - else - sleep = @sleep_time - end - @current_sleep = sleep - - cmd, *cmd_args = @loop_proc[@current_pos] - @current_pos += 1 - @current_proc = cmd - - set_callback(sleep, cmd_args) - end - - def initialize(*args) - @id = Tk_CBID.join - Tk_CBID[1].succ! - - @wait_var = TkVariable.new(0) - - @cb_cmd = TkCore::INTERP.get_cb_entry(self.method(:do_callback)) - - @set_next = true - - @init_sleep = 0 - @init_proc = nil - @init_args = [] - - @current_script = [] - @current_proc = nil - @current_args = nil - @return_value = nil - - @sleep_time = 0 - @current_sleep = 0 - @loop_exec = 0 - @do_loop = 0 - @loop_proc = [] - @proc_max = 0 - @current_pos = 0 - - @after_id = nil - @after_script = nil - - @cancel_on_exception = true - - set_procs(*args) if args != [] - - @running = false - @in_callback = false - end - - attr :after_id - attr :after_script - attr :current_proc - attr :current_args - attr :current_sleep - alias :current_interval :current_sleep - attr :return_value - - attr_accessor :loop_exec - - def cb_call - @cb_cmd.call - end - - def get_procs - [@init_sleep, @init_proc, @init_args, @sleep_time, @loop_exec, @loop_proc] - end - - def current_status - [@running, @current_sleep, @current_proc, @current_args, - @do_loop, @cancel_on_exception] - end - - def cancel_on_exception? - @cancel_on_exception - end - - def cancel_on_exception=(mode) - @cancel_on_exception = mode - self - end - - def running? - @running - end - - def loop_rest - @do_loop - end - - def loop_rest=(rest) - @do_loop = rest - self - end - - def set_procs(interval, loop_exec, *procs) - if !interval == 'idle' \ - && !interval.kind_of?(Integer) && !interval.kind_of?(Proc) - fail Kernel.format("%s need to be Integer or Proc", interval.inspect) - end - @sleep_time = interval - - @loop_proc = [] - procs.each{|e| - if e.kind_of? Proc - @loop_proc.push([e]) - else - @loop_proc.push(e) - end - } - @proc_max = @loop_proc.size - @current_pos = 0 - - @do_loop = 0 - if loop_exec - if loop_exec.kind_of?(Integer) && loop_exec < 0 - @loop_exec = -1 - elsif loop_exec == nil || loop_exec == false || loop_exec == 0 - @loop_exec = 1 - else - if not loop_exec.kind_of?(Integer) - fail Kernel.format("%s need to be Integer", loop_exec.inspect) - end - @loop_exec = loop_exec - end - @do_loop = @loop_exec - end - - self - end - - def add_procs(*procs) - procs.each{|e| - if e.kind_of? Proc - @loop_proc.push([e]) - else - @loop_proc.push(e) - end - } - @proc_max = @loop_proc.size - - self - end - - def delete_procs(*procs) - procs.each{|e| - if e.kind_of? Proc - @loop_proc.delete([e]) - else - @loop_proc.delete(e) - end - } - @proc_max = @loop_proc.size - - cancel if @proc_max == 0 - - self - end - - def delete_at(n) - @loop_proc.delete_at(n) - @proc_max = @loop_proc.size - cancel if @proc_max == 0 - self - end - - def set_start_proc(sleep, init_proc, *init_args) - if !sleep == 'idle' && !sleep.kind_of?(Integer) - fail Kernel.format("%s need to be Integer", sleep.inspect) - end - @init_sleep = sleep - @init_proc = init_proc - @init_args = init_args - self - end - - def start(*init_args) - return nil if @running - - Tk_CBTBL[@id] = self - @do_loop = @loop_exec - @current_pos = 0 - - argc = init_args.size - if argc > 0 - sleep = init_args.shift - if !sleep == 'idle' && !sleep.kind_of?(Integer) - fail Kernel.format("%s need to be Integer", sleep.inspect) - end - @init_sleep = sleep - end - @init_proc = init_args.shift if argc > 1 - @init_args = init_args if argc > 0 - - @current_sleep = @init_sleep - @running = true - if @init_proc - if not @init_proc.kind_of? Proc - fail Kernel.format("%s need to be Proc", @init_proc.inspect) - end - @current_proc = @init_proc - set_callback(@init_sleep, @init_args) - @set_next = false if @in_callback - else - set_next_callback(@init_args) - end - - self - end - - def reset(*reset_args) - restart() if @running - - if @init_proc - @return_value = @init_proc.call(self) - else - @return_value = nil - end - - @current_pos = 0 - @current_args = @init_args - @set_next = false if @in_callback - - self - end - - def restart(*restart_args) - cancel if @running - if restart_args == [] - start(@init_sleep, @init_proc, *@init_args) - else - start(*restart_args) - end - end - - def cancel - @running = false - @wait_var.value = 0 - tk_call 'after', 'cancel', @after_id if @after_id - @after_id = nil - Tk_CBTBL.delete(@id) ;# for GC - self - end - alias stop cancel - - def continue(wait=nil) - fail RuntimeError, "is already running" if @running - sleep, cmd = @current_script - fail RuntimeError, "no procedure to continue" unless cmd - if wait - if not wait.kind_of? Integer - fail RuntimeError, Kernel.format("%s need to be Integer", wait.inspect) - end - sleep = wait - end - Tk_CBTBL[@id] = self - @running = true - @after_id = tk_call('after', sleep, cmd) - self - end - - def skip - fail RuntimeError, "is not running now" unless @running - cancel - Tk_CBTBL[@id] = self - @running = true - set_next_callback(@current_args) - self - end - - def info - if @after_id - inf = tk_split_list(tk_call('after', 'info', @after_id)) - [Tk_CBTBL[inf[0][1]], inf[1]] - else - nil - end - end - - def wait(on_thread = true, check_root = false) - if $SAFE >= 4 - fail SecurityError, "can't wait timer at $SAFE >= 4" - end - - unless @running - if @return_value.kind_of?(Exception) - fail @return_value - else - return @return_value - end - end - - @wait_var.wait(on_thread, check_root) - if @return_value.kind_of?(Exception) - fail @return_value - else - @return_value - end - end - def eventloop_wait(check_root = false) - wait(false, check_root) - end - def thread_wait(check_root = false) - wait(true, check_root) - end - def tkwait(on_thread = true) - wait(on_thread, true) - end - def eventloop_tkwait - wait(false, true) - end - def thread_tkwait - wait(true, true) - end -end - -TkAfter = TkTimer +require 'tk/timer' |