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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2009-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
-module(ex_grid).
-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,
grid
}).
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 = wxStaticBoxSizer:new(?wxVERTICAL, Panel,
[{label, "wxGrid"}]),
Grid = create_grid(Panel),
%% Add to sizers
Options = [{flag, ?wxEXPAND}, {proportion, 1}],
wxSizer:add(Sizer, Grid, Options),
wxSizer:add(MainSizer, Sizer, Options),
wxPanel:setSizer(Panel, MainSizer),
{Panel, #state{parent=Panel, config=Config,
grid = Grid}}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Async Events are handled in handle_event as in handle_info
handle_event(#wx{event = #wxGrid{type = grid_cell_change,
row = Row, col = Col}},
State = #state{}) ->
Val = wxGrid:getCellValue(State#state.grid, Row, Col),
demo:format(State#state.config, "Cell {~p,~p} changed to ~p.\n",
[Row,Col,Val]),
{noreply, State}.
%% Callbacks handled as normal gen_server callbacks
handle_info(_Msg, State) ->
{noreply, State}.
handle_call(shutdown, _From, State=#state{parent=Panel}) ->
wxPanel:destroy(Panel),
{stop, normal, ok, State};
handle_call(_Msg, _From, State) ->
{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
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create_grid(Panel) ->
%% Create the grid with 100 * 5 cells
Grid = wxGrid:new(Panel, 2, []),
wxGrid:createGrid(Grid, 100, 5),
Font = wxFont:new(16, ?wxFONTFAMILY_SWISS,
?wxFONTSTYLE_NORMAL,
?wxFONTWEIGHT_NORMAL, []),
%% Fun to set the values and flags of the cells
Fun =
fun(Row) ->
wxGrid:setCellValue(Grid, Row, 0, "Editable"),
wxGrid:setCellValue(Grid, Row, 1, "Editable"),
wxGrid:setCellValue(Grid, Row, 2, "Editable"),
wxGrid:setCellValue(Grid, Row, 3, "Read only"),
wxGrid:setCellTextColour(Grid, Row, 3, ?wxWHITE),
wxGrid:setReadOnly(Grid, Row, 3, [{isReadOnly,true}]),
wxGrid:setCellValue(Grid, Row, 4, "Editable"),
case Row rem 4 of
0 -> wxGrid:setCellBackgroundColour(Grid, Row, 3, ?wxRED);
1 -> wxGrid:setCellBackgroundColour(Grid, Row, 3, ?wxGREEN),
wxGrid:setCellTextColour(Grid, Row, 2, {255,215,0,255});
2 -> wxGrid:setCellBackgroundColour(Grid, Row, 3, ?wxBLUE);
_ -> wxGrid:setCellBackgroundColour(Grid, Row, 1, ?wxCYAN),
wxGrid:setCellValue(Grid, Row, 1,
"Centered\nhorizontally"),
wxGrid:setCellAlignment(Grid, Row, 4,
0,?wxALIGN_CENTER),
wxGrid:setCellValue(Grid, Row, 4,
"Centered\nvertically"),
wxGrid:setCellAlignment(Grid, Row, 1,
?wxALIGN_CENTER,0),
wxGrid:setCellTextColour(Grid, Row, 3, ?wxBLACK),
wxGrid:setCellAlignment(Grid, Row, 2,
?wxALIGN_CENTER,
?wxALIGN_CENTER),
wxGrid:setCellFont(Grid, Row, 0, Font),
wxGrid:setCellValue(Grid, Row, 2,
"Centered vertically\nand horizontally"),
wxGrid:setRowSize(Grid, Row, 80)
end
end,
%% Apply the fun to each row
wx:foreach(Fun, lists:seq(0,99)),
wxGrid:setColSize(Grid, 2, 150),
wxGrid:connect(Grid, grid_cell_change),
Grid.
|
