| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT ncurses Binding Samples -- |
| -- -- |
| -- ncurses -- |
| -- -- |
| -- B O D Y -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| -- Copyright (c) 2000-2004,2006 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: 1.7 $ |
| -- $Date: 2006/06/25 14:24:40 $ |
| -- Binding Version 01.00 |
| ------------------------------------------------------------------------------ |
| with ncurses2.util; use ncurses2.util; |
| with Terminal_Interface.Curses; use Terminal_Interface.Curses; |
| |
| with Ada.Strings.Unbounded; |
| with Interfaces.C; |
| with Terminal_Interface.Curses.Aux; |
| |
| procedure ncurses2.slk_test is |
| procedure myGet (Win : in Window := Standard_Window; |
| Str : out Ada.Strings.Unbounded.Unbounded_String; |
| Len : in Integer := -1); |
| |
| procedure myGet (Win : in Window := Standard_Window; |
| Str : out Ada.Strings.Unbounded.Unbounded_String; |
| Len : in Integer := -1) |
| is |
| use Ada.Strings.Unbounded; |
| use Interfaces.C; |
| use Terminal_Interface.Curses.Aux; |
| |
| function Wgetnstr (Win : Window; |
| Str : char_array; |
| Len : int) return int; |
| pragma Import (C, Wgetnstr, "wgetnstr"); |
| |
| -- FIXME: how to construct "(Len > 0) ? Len : 80"? |
| Ask : constant Interfaces.C.size_t := Interfaces.C.size_t'Val (Len + 80); |
| Txt : char_array (0 .. Ask); |
| |
| begin |
| Txt (0) := Interfaces.C.char'First; |
| if Wgetnstr (Win, Txt, Txt'Length) = Curses_Err then |
| raise Curses_Exception; |
| end if; |
| Str := To_Unbounded_String (To_Ada (Txt, True)); |
| end myGet; |
| |
| use Int_IO; |
| |
| use Ada.Strings.Unbounded; |
| |
| c : Key_Code; |
| buf : Unbounded_String; |
| c2 : Character; |
| fmt : Label_Justification := Centered; |
| tmp : Integer; |
| |
| begin |
| c := CTRL ('l'); |
| loop |
| Move_Cursor (Line => 0, Column => 0); |
| c2 := Code_To_Char (c); |
| case c2 is |
| when Character'Val (Character'Pos ('l') mod 16#20#) => -- CTRL('l') |
| Erase; |
| Switch_Character_Attribute (Attr => (Bold_Character => True, |
| others => False)); |
| Add (Line => 0, Column => 20, |
| Str => "Soft Key Exerciser"); |
| Switch_Character_Attribute (On => False, |
| Attr => (Bold_Character => True, |
| others => False)); |
| |
| Move_Cursor (Line => 2, Column => 0); |
| P ("Available commands are:"); |
| P (""); |
| P ("^L -- refresh screen"); |
| P ("a -- activate or restore soft keys"); |
| P ("d -- disable soft keys"); |
| P ("c -- set centered format for labels"); |
| P ("l -- set left-justified format for labels"); |
| P ("r -- set right-justified format for labels"); |
| P ("[12345678] -- set label; labels are numbered 1 through 8"); |
| P ("e -- erase stdscr (should not erase labels)"); |
| P ("s -- test scrolling of shortened screen"); |
| P ("x, q -- return to main menu"); |
| P (""); |
| P ("Note: if activating the soft keys causes your terminal to"); |
| P ("scroll up one line, your terminal auto-scrolls when anything"); |
| P ("is written to the last screen position. The ncurses code"); |
| P ("does not yet handle this gracefully."); |
| Refresh; |
| Restore_Soft_Label_Keys; |
| |
| when 'a' => |
| Restore_Soft_Label_Keys; |
| when 'e' => |
| Clear; |
| when 's' => |
| Add (Line => 20, Column => 0, |
| Str => "Press Q to stop the scrolling-test: "); |
| loop |
| c := Getchar; |
| c2 := Code_To_Char (c); |
| exit when c2 = 'Q'; |
| -- c = ERR? |
| -- TODO when c is not a character (arrow key) |
| -- the behavior is different from the C version. |
| Add (Ch => c2); |
| end loop; |
| when 'd' => |
| Clear_Soft_Label_Keys; |
| when 'l' => |
| fmt := Left; |
| when 'c' => |
| fmt := Centered; |
| when 'r' => |
| fmt := Right; |
| when '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' => |
| Add (Line => 20, Column => 0, |
| Str => "Please enter the label value: "); |
| Set_Echo_Mode (SwitchOn => True); |
| myGet (Str => buf); |
| Set_Echo_Mode (SwitchOn => False); |
| tmp := ctoi (c2); |
| Set_Soft_Label_Key (Label_Number (tmp), To_String (buf), fmt); |
| Refresh_Soft_Label_Keys; |
| Move_Cursor (Line => 20, Column => 0); |
| Clear_To_End_Of_Line; |
| when 'x' | 'q' => |
| exit; |
| -- the C version needed a goto, ha ha |
| -- breaks exit the case not the loop because fall-throuh |
| -- happens in C! |
| when others => |
| Beep; |
| end case; |
| c := Getchar; |
| -- TODO exit when c = EOF |
| end loop; |
| Erase; |
| End_Windows; |
| end ncurses2.slk_test; |
