%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2009. 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%
-module(tv_ip).
-export([ip/1]).
-include("tv_int_msg.hrl").
-define(NOF_LABELS, 25).
-define(DEFAULT_BG_COLOR, {217, 217, 217}).
%%%*********************************************************************
%%% EXTERNAL FUNCTIONS
%%%*********************************************************************
%%======================================================================
%% Function:
%%
%% Return Value:
%%
%% Description:
%%
%% Parameters:
%%======================================================================
ip(_Master) ->
W = gs:window(win, gs:start(), [{width, 302},
{height, 38},
{bg, ?DEFAULT_BG_COLOR},
{title, "Launching..."}
]),
C = gs:canvas(W, [{width, 40},
{height, 35},
{x, 0},
{bg, {255, 255, 255}}
]),
gs:create(image, C, [{load_gif, code:priv_dir(tv) ++ "/erlang.gif"}]),
gs:label(W, [{width, 252},
{height, 12},
{x, 47},
{y, 23},
{bg, {0, 0, 0}},
{cursor, arrow}
]),
LabelList = create_labels(?NOF_LABELS, W, 48),
L = gs:label(W, [{width, 250},
{height, 18},
{x, 47},
{y, 0},
{bg, ?DEFAULT_BG_COLOR},
{fg, {0, 0, 0}},
{align, w}
]),
gs:config(win, [{map, true}]),
loop(1, LabelList, L).
%%%*********************************************************************
%%% INTERNAL FUNCTIONS
%%%*********************************************************************
%%======================================================================
%% Function:
%%
%% Return Value:
%%
%% Description:
%%
%% Parameters:
%%======================================================================
create_labels(0, _WinId, _Xpos) ->
[];
create_labels(N, WinId, Xpos) ->
Width = 10,
Xdiff = Width,
LabelId = gs:label(WinId, [{width, Width},
{height, 10},
{x, Xpos},
{y, 24},
{bg, {235, 235, 235}},
{cursor, arrow}
]),
[LabelId | create_labels(N - 1, WinId, Xpos + Xdiff)].
%%======================================================================
%% Function:
%%
%% Return Value:
%%
%% Description:
%%
%% Parameters:
%%======================================================================
loop(N, LabelList, L) ->
receive
Msg ->
case Msg of
#ip_update{nof_elements_to_mark = X, text = Text} ->
update_window(LabelList, N, N + X, L, Text),
loop(N + X, LabelList, L);
#ip_quit{} ->
update_labels(LabelList, N, ?NOF_LABELS),
receive
after 1000 ->
done
end,
done;
_Other ->
loop(N, LabelList, L)
end
end.
%%======================================================================
%% Function:
%%
%% Return Value:
%%
%% Description:
%%
%% Parameters:
%%======================================================================
update_window(LabelList, N, Hi, LblId, Text) ->
gs:config(win, [raise]),
gs:config(LblId, [{label, {text, Text}}]),
update_labels(LabelList, N, Hi).
%%======================================================================
%% Function:
%%
%% Return Value:
%%
%% Description:
%%
%% Parameters:
%%======================================================================
update_labels(_LabelList, N, _Hi) when N > ?NOF_LABELS ->
done;
update_labels(_LabelList, N, Hi) when N >= Hi ->
done;
update_labels(LabelList, N, Hi) ->
LabelId = lists:nth(N, LabelList),
gs:config(LabelId, [{bg, {0, 0, 255}}]),
update_labels(LabelList, N + 1, Hi).
