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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/gs/examples/browser.erl
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The R13B03 release.OTP_R13B03
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diff --git a/lib/gs/examples/browser.erl b/lib/gs/examples/browser.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%%
+%% ------------------------------------------------------------
+%% Simple Browser
+%% ------------------------------------------------------------
+
+-module(browser).
+
+-export([start/0,start/2,init/3]).
+
+start() ->
+ spawn(browser,init,[self(),text(),items()]),
+ receive
+ {browser,Result} -> Result
+ end.
+
+text() -> "Pick an erlangian: ".
+
+items() ->
+ lists:sort(["marcus","bjorn","anders","dalle","henrik","mk",
+ "keisu","klas","patric","ola","torpvret","lelle",
+ "eklas","mbj","janne","martin","kent","pippi",
+ "gunilla","uwiger","macr"]).
+
+
+start(Text,Items) ->
+ spawn(browser,init,[self(),Text,Items]),
+ receive
+ {browser,Result} -> Result
+ end.
+
+init(Pid,Text,Items) ->
+ S=gs:start(),
+ Win=gs:window(S,[{width,250},{height,270},{title,"Browser"}]),
+ gs:label(Win,[{label,{text,Text}},{width,250}]),
+ Entry=gs:entry(Win,[{y,35},{width,240},{x,5},
+ {keypress,true},{setfocus,true}]),
+ Lb=gs:listbox(Win,[{x,5},{y,65},{width,160},{height,195},
+ {vscroll,right},{click,true},{doubleclick,true}]),
+ Ok=gs:button(Win,[{label,{text,"OK"}},{width,40},{x,185},{y,175}]),
+ Cancel=gs:button(Win,[{label,{text,"Cancel"}},{x,175},{y,225},{width,65}]),
+ gs:config(Lb,[{items,Items}]),
+ gs:config(Win,{map,true}),
+ browser_loop(Pid,Ok,Cancel,Entry,Lb).
+
+browser_loop(Pid,Ok,Cancel,Entry,Lb) ->
+ receive
+ {gs,Ok,click,_,_} ->
+ Txt=gs:read(Entry,text),
+ Pid ! {browser,{ok,Txt}};
+ {gs,Cancel,click,_,_} ->
+ Pid ! {browser,cancel};
+ {gs,Entry,keypress,_,['Return'|_]} ->
+ Txt=gs:read(Entry,text),
+ Pid ! {browser,{ok,Txt}};
+ {gs,Entry,keypress,_,_} ->
+ browser_loop(Pid,Ok,Cancel,Entry,Lb);
+ {gs,Lb,click,_,[_Idx, Txt|_]} ->
+ gs:config(Entry,{text,Txt}),
+ browser_loop(Pid,Ok,Cancel,Entry,Lb);
+ {gs,Lb,doubleclick,_,[_Idx, Txt|_]} ->
+ Pid ! {browser,{ok,Txt}};
+ {gs,_,destroy,_,_} ->
+ Pid ! {browser,cancel};
+ X ->
+ io:format("Got X=~w~n",[X]),
+ browser_loop(Pid,Ok,Cancel,Entry,Lb)
+ end.
+
+%% ------------------------------------------------------------
+%% end of browser.erl