1 ------------------------------------------------------------------------------
3 -- GNAT ncurses Binding Samples --
9 ------------------------------------------------------------------------------
10 -- Copyright (c) 2000 Free Software Foundation, Inc. --
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 --
18 -- furnished to do so, subject to the following conditions: --
20 -- The above copyright notice and this permission notice shall be included --
21 -- in all copies or substantial portions of the Software. --
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. --
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 --
35 ------------------------------------------------------------------------------
36 -- Author: Eugene V. Melaragno <aldomel@ix.netcom.com> 2000
39 -- Binding Version 01.00
40 ------------------------------------------------------------------------------
41 with ncurses2.util; use ncurses2.util;
42 with Terminal_Interface.Curses; use Terminal_Interface.Curses;
44 with Ada.Strings.Unbounded;
46 with Terminal_Interface.Curses.Aux;
48 procedure ncurses2.slk_test is
49 procedure myGet (Win : in Window := Standard_Window;
50 Str : out Ada.Strings.Unbounded.Unbounded_String;
51 Len : in Integer := -1);
53 procedure myGet (Win : in Window := Standard_Window;
54 Str : out Ada.Strings.Unbounded.Unbounded_String;
55 Len : in Integer := -1)
57 use Ada.Strings.Unbounded;
59 use Terminal_Interface.Curses.Aux;
61 function Wgetnstr (Win : Window;
63 Len : int) return int;
64 pragma Import (C, Wgetnstr, "wgetnstr");
66 Txt : char_array (0 .. 10);
68 Txt (0) := Interfaces.C.char'First;
69 if Wgetnstr (Win, Txt, 8) = Curses_Err then
70 raise Curses_Exception;
72 Str := To_Unbounded_String (To_Ada (Txt, True));
78 use Ada.Strings.Unbounded;
81 buf : Unbounded_String;
83 fmt : Label_Justification := Centered;
89 Move_Cursor (Line => 0, Column => 0);
90 c2 := Code_To_Char (c);
92 when Character'Val (Character'Pos ('l') mod 16#20#) => -- CTRL('l')
94 Switch_Character_Attribute (Attr => (Bold_Character => True,
96 Add (Line => 0, Column => 20,
97 Str => "Soft Key Exerciser");
98 Switch_Character_Attribute (On => False,
99 Attr => (Bold_Character => True,
102 Move_Cursor (Line => 2, Column => 0);
103 P ("Available commands are:");
105 P ("^L -- refresh screen");
106 P ("a -- activate or restore soft keys");
107 P ("d -- disable soft keys");
108 P ("c -- set centered format for labels");
109 P ("l -- set left-justified format for labels");
110 P ("r -- set right-justified format for labels");
111 P ("[12345678] -- set label; labels are numbered 1 through 8");
112 P ("e -- erase stdscr (should not erase labels)");
113 P ("s -- test scrolling of shortened screen");
114 P ("x, q -- return to main menu");
116 P ("Note: if activating the soft keys causes your terminal to");
117 P ("scroll up one line, your terminal auto-scrolls when anything");
118 P ("is written to the last screen position. The ncurses code");
119 P ("does not yet handle this gracefully.");
121 Restore_Soft_Label_Keys;
124 Restore_Soft_Label_Keys;
128 Add (Line => 20, Column => 0,
129 Str => "Press Q to stop the scrolling-test: ");
132 c2 := Code_To_Char (c);
135 -- TODO when c is not a character (arrow key)
136 -- the behavior is different from the C version.
140 Clear_Soft_Label_Keys;
147 when '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' =>
148 Add (Line => 20, Column => 0,
149 Str => "Please enter the label value: ");
150 Set_Echo_Mode (SwitchOn => True);
152 Set_Echo_Mode (SwitchOn => False);
154 Set_Soft_Label_Key (Label_Number (tmp), To_String (buf), fmt);
155 Refresh_Soft_Label_Keys;
156 Move_Cursor (Line => 20, Column => 0);
157 Clear_To_End_Of_Line;
160 -- the C version needed a goto, ha ha
161 -- breaks exit the case not the loop because fall-throuh
167 -- TODO exit when c = EOF
171 end ncurses2.slk_test;