diff options
Diffstat (limited to 'lib/wx/src/wx_object.erl')
-rw-r--r-- | lib/wx/src/wx_object.erl | 124 |
1 files changed, 68 insertions, 56 deletions
diff --git a/lib/wx/src/wx_object.erl b/lib/wx/src/wx_object.erl index c22a083eb9..40170b6eb1 100644 --- a/lib/wx/src/wx_object.erl +++ b/lib/wx/src/wx_object.erl @@ -55,7 +55,7 @@ %% When stop is returned in one of the functions above with Reason = %% normal | shutdown | Term, terminate(State) is called. It lets the %% user module clean up, it is always called when server terminates or -%% when wxObject() in the driver is deleted. If the Parent process +%% when wx_object() in the driver is deleted. If the Parent process %% terminates the Module:terminate/2 function is called. <br/> %% terminate(Reason, State) %% @@ -113,35 +113,35 @@ %% -export([behaviour_info/1]). -callback init(Args :: term()) -> - {#wx_ref{}, State :: term()} | {#wx_ref{}, State :: term(), timeout() | hibernate} | - {stop, Reason :: term()} | ignore. + {#wx_ref{}, State :: term()} | {#wx_ref{}, State :: term(), timeout() | 'hibernate'} | + {'stop', Reason :: term()} | 'ignore'. -callback handle_event(Request :: #wx{}, State :: term()) -> - {noreply, NewState :: term()} | - {noreply, NewState :: term(), timeout() | hibernate} | - {stop, Reason :: term(), NewState :: term()}. + {'noreply', NewState :: term()} | + {'noreply', NewState :: term(), timeout() | 'hibernate'} | + {'stop', Reason :: term(), NewState :: term()}. -callback handle_call(Request :: term(), From :: {pid(), Tag :: term()}, State :: term()) -> - {reply, Reply :: term(), NewState :: term()} | - {reply, Reply :: term(), NewState :: term(), timeout() | hibernate} | - {noreply, NewState :: term()} | - {noreply, NewState :: term(), timeout() | hibernate} | - {stop, Reason :: term(), Reply :: term(), NewState :: term()} | - {stop, Reason :: term(), NewState :: term()}. + {'reply', Reply :: term(), NewState :: term()} | + {'reply', Reply :: term(), NewState :: term(), timeout() | 'hibernate'} | + {'noreply', NewState :: term()} | + {'noreply', NewState :: term(), timeout() | 'hibernate'} | + {'stop', Reason :: term(), Reply :: term(), NewState :: term()} | + {'stop', Reason :: term(), NewState :: term()}. -callback handle_cast(Request :: term(), State :: term()) -> - {noreply, NewState :: term()} | - {noreply, NewState :: term(), timeout() | hibernate} | - {stop, Reason :: term(), NewState :: term()}. + {'noreply', NewState :: term()} | + {'noreply', NewState :: term(), timeout() | 'hibernate'} | + {'stop', Reason :: term(), NewState :: term()}. -callback handle_info(Info :: timeout() | term(), State :: term()) -> - {noreply, NewState :: term()} | - {noreply, NewState :: term(), timeout() | hibernate} | - {stop, Reason :: term(), NewState :: term()}. --callback terminate(Reason :: (normal | shutdown | {shutdown, term()} | + {'noreply', NewState :: term()} | + {'noreply', NewState :: term(), timeout() | 'hibernate'} | + {'stop', Reason :: term(), NewState :: term()}. +-callback terminate(Reason :: ('normal' | 'shutdown' | {'shutdown', term()} | term()), State :: term()) -> term(). --callback code_change(OldVsn :: (term() | {down, term()}), State :: term(), +-callback code_change(OldVsn :: (term() | {'down', term()}), State :: term(), Extra :: term()) -> - {ok, NewState :: term()} | {error, Reason :: term()}. + {'ok', NewState :: term()} | {'error', Reason :: term()}. %% System exports @@ -171,58 +171,59 @@ %% ----------------------------------------------------------------- -%% @spec (Mod, Args, Options) -> wxWindow:wxWindow() -%% Mod = atom() -%% Args = term() -%% Options = [{timeout, Timeout} | {debug, [Flag]}] -%% Flag = trace | log | {logfile, File} | statistics | debug %% @doc Starts a generic wx_object server and invokes Mod:init(Args) in the %% new process. +-spec start(Mod, Args, Options) -> wxWindow:wxWindow() | {error, term()} when + Mod::atom(), + Args::term(), + Flag::trace | log | {logfile, string()} | statistics | debug, + Options::[{timeout, timeout()} | {debug, [Flag]}]. start(Mod, Args, Options) -> gen_response(gen:start(?MODULE, nolink, Mod, Args, [get(?WXE_IDENTIFIER)|Options])). - -%% @spec (Name, Mod, Args, Options) -> wxWindow:wxWindow() -%% Name = {local, atom()} -%% Mod = atom() -%% Args = term() -%% Options = [{timeout, Timeout} | {debug, [Flag]}] -%% Flag = trace | log | {logfile, File} | statistics | debug + %% @doc Starts a generic wx_object server and invokes Mod:init(Args) in the %% new process. +-spec start(Name, Mod, Args, Options) -> wxWindow:wxWindow() | {error, term()} when + Name::{local, atom()}, + Mod::atom(), + Args::term(), + Flag::trace | log | {logfile, string()} | statistics | debug, + Options::[{timeout, timeout()} | {debug, [Flag]}]. start(Name, Mod, Args, Options) -> gen_response(gen:start(?MODULE, nolink, Name, Mod, Args, [get(?WXE_IDENTIFIER)|Options])). -%% @spec (Mod, Args, Options) -> wxWindow:wxWindow() -%% Mod = atom() -%% Args = term() -%% Options = [{timeout, Timeout} | {debug, [Flag]}] -%% Flag = trace | log | {logfile, File} | statistics | debug %% @doc Starts a generic wx_object server and invokes Mod:init(Args) in the %% new process. +-spec start_link(Mod, Args, Options) -> wxWindow:wxWindow() | {error, term()} when + Mod::atom(), + Args::term(), + Flag::trace | log | {logfile, string()} | statistics | debug, + Options::[{timeout, timeout()} | {debug, [Flag]}]. start_link(Mod, Args, Options) -> gen_response(gen:start(?MODULE, link, Mod, Args, [get(?WXE_IDENTIFIER)|Options])). -%% @spec (Name, Mod, Args, Options) -> wxWindow:wxWindow() -%% Name = {local, atom()} -%% Mod = atom() -%% Args = term() -%% Options = [{timeout, Timeout} | {debug, [Flag]}] -%% Flag = trace | log | {logfile, File} | statistics | debug %% @doc Starts a generic wx_object server and invokes Mod:init(Args) in the %% new process. +-spec start_link(Name, Mod, Args, Options) -> wxWindow:wxWindow() | {error, term()} when + Name::{local, atom()}, + Mod::atom(), + Args::term(), + Flag::trace | log | {logfile, string()} | statistics | debug, + Options::[{timeout, timeout()} | {debug, [Flag]}]. start_link(Name, Mod, Args, Options) -> gen_response(gen:start(?MODULE, link, Name, Mod, Args, [get(?WXE_IDENTIFIER)|Options])). - + gen_response({ok, Pid}) -> receive {ack, Pid, Ref = #wx_ref{}} -> Ref end; gen_response(Reply) -> Reply. -%% @spec (Ref::wxObject()|atom()|pid()) -> ok %% @doc Stops a generic wx_object server with reason 'normal'. %% Invokes terminate(Reason,State) in the server. The call waits until %% the process is terminated. If the process does not exist, an %% exception is raised. +-spec stop(Obj) -> ok when + Obj::wx:wx_object()|atom()|pid(). stop(Ref = #wx_ref{state=Pid}) when is_pid(Pid) -> try gen:stop(Pid) @@ -236,11 +237,14 @@ stop(Name) when is_atom(Name) orelse is_pid(Name) -> erlang:error({ExitReason, {?MODULE, stop, [Name]}}) end. -%% @spec (Ref::wxObject()|atom()|pid(), Reason::term(), Timeout::timeout()) -> ok %% @doc Stops a generic wx_object server with the given Reason. %% Invokes terminate(Reason,State) in the server. The call waits until %% the process is terminated. If the call times out, or if the process %% does not exist, an exception is raised. +-spec stop(Obj, Reason, Timeout) -> ok when + Obj::wx:wx_object()|atom()|pid(), + Reason::term(), + Timeout::timeout(). stop(Ref = #wx_ref{state=Pid}, Reason, Timeout) when is_pid(Pid) -> try gen:stop(Pid, Reason, Timeout) @@ -254,12 +258,14 @@ stop(Name, Reason, Timeout) when is_atom(Name) orelse is_pid(Name) -> erlang:error({ExitReason, {?MODULE, stop, [Name, Reason, Timeout]}}) end. -%% @spec (Ref::wxObject()|atom()|pid(), Request::term()) -> term() %% @doc Make a call to a wx_object server. %% The call waits until it gets a result. %% Invokes handle_call(Request, From, State) in the server +-spec call(Obj, Request) -> term() when + Obj::wx:wx_object()|atom()|pid(), + Request::term(). call(Ref = #wx_ref{state=Pid}, Request) when is_pid(Pid) -> - try + try {ok,Res} = gen:call(Pid, '$gen_call', Request, infinity), Res catch _:Reason -> @@ -272,10 +278,13 @@ call(Name, Request) when is_atom(Name) orelse is_pid(Name) -> catch _:Reason -> erlang:error({Reason, {?MODULE, call, [Name, Request]}}) end. - -%% @spec (Ref::wxObject()|atom()|pid(), Request::term(), Timeout::integer()) -> term() + %% @doc Make a call to a wx_object server with a timeout. %% Invokes handle_call(Request, From, State) in server +-spec call(Obj, Request, Timeout) -> term() when + Obj::wx:wx_object()|atom()|pid(), + Request::term(), + Timeout::integer(). call(Ref = #wx_ref{state=Pid}, Request, Timeout) when is_pid(Pid) -> try {ok,Res} = gen:call(Pid, '$gen_call', Request, Timeout), @@ -291,10 +300,11 @@ call(Name, Request, Timeout) when is_atom(Name) orelse is_pid(Name) -> erlang:error({Reason, {?MODULE, call, [Name, Request, Timeout]}}) end. -%% @spec (Ref::wxObject()|atom()|pid(), Request::term()) -> ok %% @doc Make a cast to a wx_object server. %% Invokes handle_cast(Request, State) in the server - +-spec cast(Obj, Request) -> ok when + Obj::wx:wx_object()|atom()|pid(), + Request::term(). cast(#wx_ref{state=Pid}, Request) when is_pid(Pid) -> Pid ! {'$gen_cast',Request}, ok; @@ -302,21 +312,23 @@ cast(Name, Request) when is_atom(Name) orelse is_pid(Name) -> Name ! {'$gen_cast',Request}, ok. -%% @spec (Ref::wxObject()) -> pid() %% @doc Get the pid of the object handle. +-spec get_pid(Obj) -> pid() when + Obj::wx:wx_object()|atom()|pid(). get_pid(#wx_ref{state=Pid}) when is_pid(Pid) -> Pid. -%% @spec (Ref::wxObject(), pid()) -> wxObject() %% @doc Sets the controlling process of the object handle. +-spec set_pid(Obj, pid()) -> wx:wx_object() when + Obj::wx:wx_object()|atom()|pid(). set_pid(#wx_ref{}=R, Pid) when is_pid(Pid) -> R#wx_ref{state=Pid}. %% ----------------------------------------------------------------- %% Send a reply to the client. %% ----------------------------------------------------------------- -%% @spec (From::tuple(), Reply::term()) -> pid() %% @doc Get the pid of the object handle. +-spec reply({pid(), Tag::term()}, Reply::term()) -> pid(). reply({To, Tag}, Reply) -> catch To ! {Tag, Reply}. |