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minor improvements to the docs

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This commit is contained in:
Araq 2014-12-14 11:50:10 +01:00
commit 9724bd4e1b
6 changed files with 54 additions and 52 deletions
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20
lib/pure/events.nim
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@ -51,20 +51,20 @@ proc initEventHandler*(name: string): EventHandler =
result.handlers = @[]
result.name = name
proc addHandler*(handler: var EventHandler, func: proc(e: EventArgs) {.closure.}) =
proc addHandler*(handler: var EventHandler, fn: proc(e: EventArgs) {.closure.}) =
## Adds the callback to the specified event handler.
handler.handlers.add(func)
handler.handlers.add(fn)
proc removeHandler*(handler: var EventHandler, func: proc(e: EventArgs) {.closure.}) =
proc removeHandler*(handler: var EventHandler, fn: proc(e: EventArgs) {.closure.}) =
## Removes the callback from the specified event handler.
for i in countup(0, len(handler.handlers) -1):
if func == handler.handlers[i]:
if fn == handler.handlers[i]:
handler.handlers.del(i)
break
proc containsHandler*(handler: var EventHandler, func: proc(e: EventArgs) {.closure.}): bool =
proc containsHandler*(handler: var EventHandler, fn: proc(e: EventArgs) {.closure.}): bool =
## Checks if a callback is registered to this event handler.
return handler.handlers.contains(func)
return handler.handlers.contains(fn)
proc clearHandlers*(handler: var EventHandler) =
@ -76,21 +76,21 @@ proc getEventHandler(emitter: var EventEmitter, event: string): int =
if emitter.s[k].name == event: return k
return -1
proc on*(emitter: var EventEmitter, event: string, func: proc(e: EventArgs) {.closure.}) =
proc on*(emitter: var EventEmitter, event: string, fn: proc(e: EventArgs) {.closure.}) =
## Assigns a event handler with the specified callback. If the event
## doesn't exist, it will be created.
var i = getEventHandler(emitter, event)
if i < 0:
var eh = initEventHandler(event)
addHandler(eh, func)
addHandler(eh, fn)
emitter.s.add(eh)
else:
addHandler(emitter.s[i], func)
addHandler(emitter.s[i], fn)
proc emit*(emitter: var EventEmitter, eventhandler: var EventHandler,
args: EventArgs) =
## Fires an event handler with specified event arguments.
for func in items(eventhandler.handlers): func(args)
for fn in items(eventhandler.handlers): fn(args)
proc emit*(emitter: var EventEmitter, event: string, args: EventArgs) =
## Fires an event handler with specified event arguments.