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gerrit.omnirom.org / android_external_libncurses / b2cef93693cf7cfd01098c9b69603c90f0f4b803 / . / Ada95 / samples / sample-menu_demo-handler.adb
blob: 84d29f6351bf5754f7099e0541743057ecf2700c [file] [log] [blame]
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +0530[diff] [blame]1------------------------------------------------------------------------------
2-- --
3-- GNAT ncurses Binding Samples --
4-- --
5-- Sample.Menu_Demo.Handler --
6-- --
7-- B O D Y --
8-- --
9------------------------------------------------------------------------------
Steve Kondikae271bc2015-11-15 02:50:53 +0100[diff] [blame]10-- Copyright (c) 1998-2004,2009 Free Software Foundation, Inc. --
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +0530[diff] [blame]11-- --
12-- Permission is hereby granted, free of charge, to any person obtaining a --
13-- copy of this software and associated documentation files (the --
14-- "Software"), to deal in the Software without restriction, including --
15-- without limitation the rights to use, copy, modify, merge, publish, --
16-- distribute, distribute with modifications, sublicense, and/or sell --
17-- copies of the Software, and to permit persons to whom the Software is --
Steve Kondikae271bc2015-11-15 02:50:53 +0100[diff] [blame]18-- furnished to do so, subject to the following conditions : --
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +0530[diff] [blame]19-- --
20-- The above copyright notice and this permission notice shall be included --
21-- in all copies or substantial portions of the Software. --
22-- --
23-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
24-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
25-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
26-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
27-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
28-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
29-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
30-- --
31-- Except as contained in this notice, the name(s) of the above copyright --
32-- holders shall not be used in advertising or otherwise to promote the --
33-- sale, use or other dealings in this Software without prior written --
34-- authorization. --
35------------------------------------------------------------------------------
36-- Author: Juergen Pfeifer, 1996
37-- Version Control
Steve Kondikae271bc2015-11-15 02:50:53 +0100[diff] [blame]38-- $Revision: 1.16 $
39-- $Date: 2009/12/26 17:38:58 $
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +0530[diff] [blame]40-- Binding Version 01.00
41------------------------------------------------------------------------------
42with Sample.Menu_Demo.Aux;
43with Sample.Manifest; use Sample.Manifest;
44with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse;
45
46package body Sample.Menu_Demo.Handler is
47
48 package Aux renames Sample.Menu_Demo.Aux;
49
Steve Kondikae271bc2015-11-15 02:50:53 +0100[diff] [blame]50 procedure Drive_Me (M : Menu;
51 Title : String := "")
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +0530[diff] [blame]52 is
53 L : Line_Count;
54 C : Column_Count;
55 Y : Line_Position;
56 X : Column_Position;
57 begin
58 Aux.Geometry (M, L, C, Y, X);
59 Drive_Me (M, Y, X, Title);
60 end Drive_Me;
61
Steve Kondikae271bc2015-11-15 02:50:53 +0100[diff] [blame]62 procedure Drive_Me (M : Menu;
63 Lin : Line_Position;
64 Col : Column_Position;
65 Title : String := "")
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +0530[diff] [blame]66 is
67 Mask : Event_Mask := No_Events;
68 Old : Event_Mask;
69 Pan : Panel := Aux.Create (M, Title, Lin, Col);
70 V : Cursor_Visibility := Invisible;
71 begin
72 -- We are only interested in Clicks with the left button
73 Register_Reportable_Events (Left, All_Clicks, Mask);
74 Old := Start_Mouse (Mask);
75 Set_Cursor_Visibility (V);
76 loop
77 declare
78 K : Key_Code := Aux.Get_Request (M, Pan);
79 R : constant Driver_Result := Driver (M, K);
80 begin
81 case R is
82 when Menu_Ok => null;
83 when Unknown_Request =>
84 declare
85 I : constant Item := Current (M);
86 O : Item_Option_Set;
87 begin
88 if K = Key_Mouse then
89 K := SELECT_ITEM;
90 end if;
91 Get_Options (I, O);
92 if K = SELECT_ITEM and then not O.Selectable then
93 Beep;
94 else
95 if My_Driver (M, K, Pan) then
96 exit;
97 end if;
98 end if;
99 end;
100 when others => Beep;
101 end case;
102 end;
103 end loop;
104 End_Mouse (Old);
105 Aux.Destroy (M, Pan);
106 end Drive_Me;
107
108end Sample.Menu_Demo.Handler;