1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2009-2011. 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(ex_sashWindow).
-behaviour(wx_object).
%% Client API
-export([start/1]).
%% wx_object callbacks
-export([init/1, terminate/2, code_change/3,
handle_info/2, handle_call/3, handle_cast/2, handle_event/2]).
-include_lib("wx/include/wx.hrl").
-record(state,
{
parent,
config,
top_sash,
bottom_sash
}).
-define(TOP_SASH, 1).
-define(BOTTOM_SASH, 2).
start(Config) ->
wx_object:start_link(?MODULE, Config, []).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
init(Config) ->
wx:batch(fun() -> do_init(Config) end).
do_init(Config) ->
Parent = proplists:get_value(parent, Config),
Panel = wxPanel:new(Parent, []),
%% Setup sizers
MainSizer = wxBoxSizer:new(?wxVERTICAL),
Sizer = wxBoxSizer:new(?wxVERTICAL),
TopSash = wxSashWindow:new(Panel, [{id, ?TOP_SASH},
{style, ?wxSW_3D}]),
Win1 = wxPanel:new(TopSash, []),
wxStaticText:new(Win1, ?wxID_ANY, "This is the top sash", []),
BottomSash = wxSashWindow:new(Panel, [{id, ?BOTTOM_SASH},
{style, ?wxSW_3D}]),
Win2 = wxPanel:new(BottomSash, []),
wxStaticText:new(Win2, ?wxID_ANY, "This is the bottom sash", []),
%% Make the bottom edge of the top sash dragable
wxSashWindow:setSashVisible(TopSash, ?wxSASH_BOTTOM, true),
wxPanel:connect(Panel, sash_dragged),
wxPanel:connect(Panel, size),
%% Add to sizers
Options = [{flag, ?wxEXPAND}, {proportion, 1}],
wxSizer:add(Sizer, TopSash, Options),
wxSizer:add(Sizer, BottomSash, Options),
wxSizer:add(MainSizer, Sizer, Options),
wxPanel:setSizer(Panel, MainSizer),
wxSizer:fit(MainSizer, Panel),
wxSizer:setSizeHints(MainSizer, Panel),
{Panel, #state{parent=Panel, config=Config,
top_sash = TopSash, bottom_sash = BottomSash}}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Async Events are handled in handle_event as in handle_info
handle_event(#wx{event = #wxSash{dragRect = {_X,Y, _W, H}}},
State = #state{top_sash = TopSash,
bottom_sash = BottomSash}) ->
{OldW, OldH} = wxPanel:getSize(State#state.parent),
Diff = OldH - H,
{OldX, _} = wxSashWindow:getPosition(BottomSash),
wxSashWindow:setMinSize(BottomSash, {OldW,Diff}),
wxSashWindow:setMinSize(TopSash, {OldW,H}),
wxSashWindow:setSize(BottomSash, {OldX, Y,OldW,Diff}),
wxSashWindow:setSize(TopSash, {OldW,H}),
wxPanel:refresh(State#state.parent),
{noreply, State};
handle_event(#wx{event = #wxSize{size = {W, H}}},
State = #state{top_sash = TopSash,
bottom_sash = BottomSash}) ->
wxSashWindow:setMinSize(TopSash, {W, H div 2}),
wxSashWindow:setMinSize(BottomSash, {W, H div 2}),
wxSashWindow:setSize(TopSash, {W, H div 2}),
wxSashWindow:setSize(BottomSash, {0,H div 2,W,H div 2}),
wxPanel:refresh(State#state.parent),
{noreply, State};
handle_event(Ev = #wx{}, State = #state{}) ->
demo:format(State#state.config, "Got Event ~p\n", [Ev]),
{noreply, State}.
%% Callbacks handled as normal gen_server callbacks
handle_info(Msg, State) ->
demo:format(State#state.config, "Got Info ~p\n", [Msg]),
{noreply, State}.
handle_call(shutdown, _From, State=#state{parent=Panel}) ->
wxPanel:destroy(Panel),
{stop, normal, ok, State};
handle_call(Msg, _From, State) ->
demo:format(State#state.config, "Got Call ~p\n", [Msg]),
{reply,{error, nyi}, State}.
handle_cast(Msg, State) ->
io:format("Got cast ~p~n",[Msg]),
{noreply,State}.
code_change(_, _, State) ->
{stop, ignore, State}.
terminate(_Reason, _State) ->
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Local functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|