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Diffstat (limited to 'ncurses-5.3/Ada95/samples/ncurses2-getch_test.adb')
| -rw-r--r-- | ncurses-5.3/Ada95/samples/ncurses2-getch_test.adb | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/ncurses-5.3/Ada95/samples/ncurses2-getch_test.adb b/ncurses-5.3/Ada95/samples/ncurses2-getch_test.adb new file mode 100644 index 0000000..5ed79a9 --- /dev/null +++ b/ncurses-5.3/Ada95/samples/ncurses2-getch_test.adb @@ -0,0 +1,251 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT ncurses Binding Samples -- +-- -- +-- ncurses -- +-- -- +-- B O D Y -- +-- -- +------------------------------------------------------------------------------ +-- Copyright (c) 2000 Free Software Foundation, Inc. -- +-- -- +-- Permission is hereby granted, free of charge, to any person obtaining a -- +-- copy of this software and associated documentation files (the -- +-- "Software"), to deal in the Software without restriction, including -- +-- without limitation the rights to use, copy, modify, merge, publish, -- +-- distribute, distribute with modifications, sublicense, and/or sell -- +-- copies of the Software, and to permit persons to whom the Software is -- +-- furnished to do so, subject to the following conditions: -- +-- -- +-- The above copyright notice and this permission notice shall be included -- +-- in all copies or substantial portions of the Software. -- +-- -- +-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -- +-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -- +-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -- +-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -- +-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -- +-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR -- +-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. -- +-- -- +-- Except as contained in this notice, the name(s) of the above copyright -- +-- holders shall not be used in advertising or otherwise to promote the -- +-- sale, use or other dealings in this Software without prior written -- +-- authorization. -- +------------------------------------------------------------------------------ +-- Author: Eugene V. Melaragno <aldomel@ix.netcom.com> 2000 +-- Version Control +-- $Revision$ +-- Binding Version 01.00 +------------------------------------------------------------------------------ +-- Character input test +-- test the keypad feature + +with ncurses2.util; use ncurses2.util; + +with Terminal_Interface.Curses; use Terminal_Interface.Curses; +with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse; +with Ada.Characters.Handling; +with Ada.Strings.Bounded; + +with ncurses2.genericPuts; + +procedure ncurses2.getch_test is + use Int_IO; + + function mouse_decode (ep : Mouse_Event) return String; + + function mouse_decode (ep : Mouse_Event) return String is + Y : Line_Position; + X : Column_Position; + Button : Mouse_Button; + State : Button_State; + package BS is new Ada.Strings.Bounded.Generic_Bounded_Length (200); + use BS; + buf : Bounded_String := To_Bounded_String (""); + begin + -- Note that these bindings do not allow + -- two button states, + -- The C version can print {click-1, click-3} for example. + -- They also don't have the 'id' or z coordinate. + Get_Event (ep, Y, X, Button, State); + + -- TODO Append (buf, "id "); from C version + Append (buf, "at ("); + Append (buf, Column_Position'Image (X)); + Append (buf, ", "); + Append (buf, Line_Position'Image (Y)); + Append (buf, ") state"); + Append (buf, Mouse_Button'Image (Button)); + + Append (buf, " = "); + Append (buf, Button_State'Image (State)); + return To_String (buf); + end mouse_decode; + + + buf : String (1 .. 1024); -- TODO was BUFSIZE + n : Integer; + c : Key_Code; + blockflag : Timeout_Mode := Blocking; + firsttime : Boolean := True; + tmp2 : Event_Mask; + tmp6 : String (1 .. 6); + tmp20 : String (1 .. 20); + x : Column_Position; + y : Line_Position; + tmpx : Integer; + incount : Integer := 0; +begin + Refresh; + tmp2 := Start_Mouse (All_Events); + Add (Str => "Delay in 10ths of a second (<CR> for blocking input)? "); + Set_Echo_Mode (SwitchOn => True); + Get (Str => buf); + + Set_Echo_Mode (SwitchOn => False); + Set_NL_Mode (SwitchOn => False); + + if Ada.Characters.Handling.Is_Digit (buf (1)) then + Get (Item => n, From => buf, Last => tmpx); + Set_Timeout_Mode (Mode => Delayed, Amount => n * 100); + blockflag := Delayed; + end if; + + c := Character'Pos ('?'); + Set_Raw_Mode (SwitchOn => True); + loop + if not firsttime then + Add (Str => "Key pressed: "); + Put (tmp6, Integer (c), 8); + Add (Str => tmp6); + Add (Ch => ' '); + if c = Key_Mouse then declare + event : Mouse_Event; + begin + event := Get_Mouse; + Add (Str => "KEY_MOUSE, "); + Add (Str => mouse_decode (event)); + Add (Ch => newl); + end; + elsif c >= Key_Min then + Key_Name (c, tmp20); + Add (Str => tmp20); + -- I used tmp and got bitten by the length problem:-> + Add (Ch => newl); + elsif c > 16#80# then -- TODO fix, use constant if possible + declare + c2 : Character := Character'Val (c mod 16#80#); + begin + if Ada.Characters.Handling.Is_Graphic (c2) then + Add (Str => "M-"); + Add (Ch => c2); + else + Add (Str => "M-"); + Add (Str => Un_Control ((Ch => c2, + Color => Color_Pair'First, + Attr => Normal_Video))); + end if; + Add (Str => " (high-half character)"); + Add (Ch => newl); + end; + else declare + c2 : Character := Character'Val (c mod 16#80#); + begin + if Ada.Characters.Handling.Is_Graphic (c2) then + Add (Ch => c2); + Add (Str => " (ASCII printable character)"); + Add (Ch => newl); + else + Add (Str => Un_Control ((Ch => c2, + Color => Color_Pair'First, + Attr => Normal_Video))); + Add (Str => " (ASCII control character)"); + Add (Ch => newl); + end if; + end; + end if; + -- TODO I am not sure why this was in the C version + -- the delay statement scroll anyway. + Get_Cursor_Position (Line => y, Column => x); + if y >= Lines - 1 then + Move_Cursor (Line => 0, Column => 0); + end if; + Clear_To_End_Of_Line; + end if; + + firsttime := False; + if c = Character'Pos ('g') then + declare + package p is new ncurses2.genericPuts (1024); + use p; + use p.BS; + timedout : Boolean := False; + boundedbuf : Bounded_String; + begin + Add (Str => "getstr test: "); + Set_Echo_Mode (SwitchOn => True); + -- Note that if delay mode is set + -- Get can raise an exception. + -- The C version would print the string it had so far + -- also TODO get longer length string, like the C version + declare begin + myGet (Str => boundedbuf); + exception when Curses_Exception => + Add (Str => "Timed out."); + Add (Ch => newl); + timedout := True; + end; + -- note that the Ada Get will stop reading at 1024. + if not timedout then + Set_Echo_Mode (SwitchOn => False); + Add (Str => " I saw '"); + myAdd (Str => boundedbuf); + Add (Str => "'."); + Add (ch => newl); + end if; + end; + elsif c = Character'Pos ('s') then + ShellOut (True); + elsif c = Character'Pos ('x') or c = Character'Pos ('q') or + (c = Key_None and blockflag = Blocking) then + exit; + elsif c = Character'Pos ('?') then + Add (Str => "Type any key to see its keypad value. Also:"); + Add (Ch => newl); + Add (Str => "g -- triggers a getstr test"); + Add (Ch => newl); + Add (Str => "s -- shell out"); + Add (Ch => newl); + Add (Str => "q -- quit"); + Add (Ch => newl); + Add (Str => "? -- repeats this help message"); + Add (Ch => newl); + end if; + + loop + c := Getchar; + exit when c /= Key_None; + if blockflag /= Blocking then + Put (tmp6, incount); -- argh string length! + Add (Str => tmp6); + Add (Str => ": input timed out"); + Add (Ch => newl); + else + Put (tmp6, incount); + Add (Str => tmp6); + Add (Str => ": input error"); + Add (Ch => newl); + exit; + end if; + incount := incount + 1; + end loop; + end loop; + + tmp2 := Start_Mouse (No_Events); + Set_Timeout_Mode (Mode => Blocking, Amount => 0); -- amount is ignored + Set_Raw_Mode (SwitchOn => False); + Set_NL_Mode (SwitchOn => True); + Erase; + End_Windows; +end ncurses2.getch_test; |