The R13B03 release.OTP_R13B03

1 files changed, 89 insertions, 0 deletions

diff --git a/lib/gs/examples/browser.erl b/lib/gs/examples/browser.erl
new file mode 100644
index 0000000000..1dba5a915b
--- /dev/null
+++ b/lib/gs/examples/browser.erl
@@ -0,0 +1,89 @@
+%%
+%% %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