1 ------------------------------------------------------------------------------
3 -- GNAT ncurses Binding Samples --
9 ------------------------------------------------------------------------------
10 -- Copyright (c) 2000 Free Software Foundation, Inc. --
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35 ------------------------------------------------------------------------------
36 -- Author: Eugene V. Melaragno <aldomel@ix.netcom.com> 2000
39 -- Binding Version 01.00
40 ------------------------------------------------------------------------------
41 -- Character input test
42 -- test the keypad feature
44 with ncurses2.util; use ncurses2.util;
46 with Terminal_Interface.Curses; use Terminal_Interface.Curses;
47 with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse;
48 with Ada.Characters.Handling;
49 with Ada.Strings.Bounded;
51 with ncurses2.genericPuts;
53 procedure ncurses2.getch_test is
56 function mouse_decode (ep : Mouse_Event) return String;
58 function mouse_decode (ep : Mouse_Event) return String is
61 Button : Mouse_Button;
63 package BS is new Ada.Strings.Bounded.Generic_Bounded_Length (200);
65 buf : Bounded_String := To_Bounded_String ("");
67 -- Note that these bindings do not allow
69 -- The C version can print {click-1, click-3} for example.
70 -- They also don't have the 'id' or z coordinate.
71 Get_Event (ep, Y, X, Button, State);
73 -- TODO Append (buf, "id "); from C version
75 Append (buf, Column_Position'Image (X));
77 Append (buf, Line_Position'Image (Y));
78 Append (buf, ") state");
79 Append (buf, Mouse_Button'Image (Button));
82 Append (buf, Button_State'Image (State));
83 return To_String (buf);
87 buf : String (1 .. 1024); -- TODO was BUFSIZE
90 blockflag : Timeout_Mode := Blocking;
91 firsttime : Boolean := True;
93 tmp6 : String (1 .. 6);
94 tmp20 : String (1 .. 20);
98 incount : Integer := 0;
101 tmp2 := Start_Mouse (All_Events);
102 Add (Str => "Delay in 10ths of a second (<CR> for blocking input)? ");
103 Set_Echo_Mode (SwitchOn => True);
106 Set_Echo_Mode (SwitchOn => False);
107 Set_NL_Mode (SwitchOn => False);
109 if Ada.Characters.Handling.Is_Digit (buf (1)) then
110 Get (Item => n, From => buf, Last => tmpx);
111 Set_Timeout_Mode (Mode => Delayed, Amount => n * 100);
112 blockflag := Delayed;
115 c := Character'Pos ('?');
116 Set_Raw_Mode (SwitchOn => True);
118 if not firsttime then
119 Add (Str => "Key pressed: ");
120 Put (tmp6, Integer (c), 8);
123 if c = Key_Mouse then declare
127 Add (Str => "KEY_MOUSE, ");
128 Add (Str => mouse_decode (event));
131 elsif c >= Key_Min then
134 -- I used tmp and got bitten by the length problem:->
136 elsif c > 16#80# then -- TODO fix, use constant if possible
138 c2 : Character := Character'Val (c mod 16#80#);
140 if Ada.Characters.Handling.Is_Graphic (c2) then
145 Add (Str => Un_Control ((Ch => c2,
146 Color => Color_Pair'First,
147 Attr => Normal_Video)));
149 Add (Str => " (high-half character)");
153 c2 : Character := Character'Val (c mod 16#80#);
155 if Ada.Characters.Handling.Is_Graphic (c2) then
157 Add (Str => " (ASCII printable character)");
160 Add (Str => Un_Control ((Ch => c2,
161 Color => Color_Pair'First,
162 Attr => Normal_Video)));
163 Add (Str => " (ASCII control character)");
168 -- TODO I am not sure why this was in the C version
169 -- the delay statement scroll anyway.
170 Get_Cursor_Position (Line => y, Column => x);
171 if y >= Lines - 1 then
172 Move_Cursor (Line => 0, Column => 0);
174 Clear_To_End_Of_Line;
178 if c = Character'Pos ('g') then
180 package p is new ncurses2.genericPuts (1024);
183 timedout : Boolean := False;
184 boundedbuf : Bounded_String;
186 Add (Str => "getstr test: ");
187 Set_Echo_Mode (SwitchOn => True);
188 -- Note that if delay mode is set
189 -- Get can raise an exception.
190 -- The C version would print the string it had so far
191 -- also TODO get longer length string, like the C version
193 myGet (Str => boundedbuf);
194 exception when Curses_Exception =>
195 Add (Str => "Timed out.");
199 -- note that the Ada Get will stop reading at 1024.
201 Set_Echo_Mode (SwitchOn => False);
202 Add (Str => " I saw '");
203 myAdd (Str => boundedbuf);
208 elsif c = Character'Pos ('s') then
210 elsif c = Character'Pos ('x') or c = Character'Pos ('q') or
211 (c = Key_None and blockflag = Blocking) then
213 elsif c = Character'Pos ('?') then
214 Add (Str => "Type any key to see its keypad value. Also:");
216 Add (Str => "g -- triggers a getstr test");
218 Add (Str => "s -- shell out");
220 Add (Str => "q -- quit");
222 Add (Str => "? -- repeats this help message");
228 exit when c /= Key_None;
229 if blockflag /= Blocking then
230 Put (tmp6, incount); -- argh string length!
232 Add (Str => ": input timed out");
237 Add (Str => ": input error");
241 incount := incount + 1;
245 tmp2 := Start_Mouse (No_Events);
246 Set_Timeout_Mode (Mode => Blocking, Amount => 0); -- amount is ignored
247 Set_Raw_Mode (SwitchOn => False);
248 Set_NL_Mode (SwitchOn => True);
251 end ncurses2.getch_test;