--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- 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: 1.1 $
+-- Binding Version 01.00
+------------------------------------------------------------------------------
+with ncurses2.util; use ncurses2.util;
+with Terminal_Interface.Curses; use Terminal_Interface.Curses;
+
+-- test effects of overlapping windows
+
+procedure ncurses2.overlap_test is
+
+ procedure fillwin (win : Window; ch : Character);
+ procedure crosswin (win : Window; ch : Character);
+
+ procedure fillwin (win : Window; ch : Character) is
+ y1 : Line_Position;
+ x1 : Column_Position;
+ begin
+ Get_Size (win, y1, x1);
+ for y in 0 .. y1 - 1 loop
+ Move_Cursor (win, y, 0);
+ for x in 0 .. x1 - 1 loop
+ Add (win, Ch => ch);
+ end loop;
+ end loop;
+ exception
+ when Curses_Exception => null;
+ -- write to lower right corner
+ end fillwin;
+
+ procedure crosswin (win : Window; ch : Character) is
+ y1 : Line_Position;
+ x1 : Column_Position;
+ begin
+ Get_Size (win, y1, x1);
+ for y in 0 .. y1 - 1 loop
+ for x in 0 .. x1 - 1 loop
+ if (((x > (x1 - 1) / 3) and (x <= (2 * (x1 - 1)) / 3))
+ or (((y > (y1 - 1) / 3) and (y <= (2 * (y1 - 1)) / 3)))) then
+ Move_Cursor (win, y, x);
+ Add (win, Ch => ch);
+ end if;
+ end loop;
+ end loop;
+ end crosswin;
+
+ -- In a 24x80 screen like some xterms are, the instructions will
+ -- be overwritten.
+ ch : Character;
+ win1 : Window := New_Window (9, 20, 3, 3);
+ win2 : Window := New_Window (9, 20, 9, 16);
+begin
+ Set_Raw_Mode (SwitchOn => True);
+ Refresh;
+ Move_Cursor (Line => 0, Column => 0);
+ Add (Str => "This test shows the behavior of wnoutrefresh() with " &
+ "respect to");
+ Add (Ch => newl);
+ Add (Str => "the shared region of two overlapping windows A and B. "&
+ "The cross");
+ Add (Ch => newl);
+ Add (Str => "pattern in each window does not overlap the other.");
+ Add (Ch => newl);
+
+ Move_Cursor (Line => 18, Column => 0);
+ Add (Str => "a = refresh A, then B, then doupdate. b = refresh B, " &
+ "then A, then doupdaute");
+ Add (Ch => newl);
+ Add (Str => "c = fill window A with letter A. d = fill window B " &
+ "with letter B.");
+ Add (Ch => newl);
+ Add (Str => "e = cross pattern in window A. f = cross pattern " &
+ "in window B.");
+ Add (Ch => newl);
+ Add (Str => "g = clear window A. h = clear window B.");
+ Add (Ch => newl);
+ Add (Str => "i = overwrite A onto B. j = overwrite " &
+ "B onto A.");
+ Add (Ch => newl);
+ Add (Str => "^Q/ESC = terminate test.");
+
+ loop
+ ch := Code_To_Char (Getchar);
+ exit when ch = CTRL ('Q') or ch = CTRL ('['); -- QUIT or ESCAPE
+ case ch is
+ when 'a' => -- refresh window A first, then B
+ Refresh_Without_Update (win1);
+ Refresh_Without_Update (win2);
+ Update_Screen;
+ when 'b' => -- refresh window B first, then A
+ Refresh_Without_Update (win2);
+ Refresh_Without_Update (win1);
+ Update_Screen;
+ when 'c' => -- fill window A so it's visible
+ fillwin (win1, 'A');
+ when 'd' => -- fill window B so it's visible
+ fillwin (win2, 'B');
+ when 'e' => -- cross test pattern in window A
+ crosswin (win1, 'A');
+ when 'f' => -- cross test pattern in window B
+ crosswin (win2, 'B');
+ when 'g' => -- clear window A
+ Clear (win1);
+ Move_Cursor (win1, 0, 0);
+ when 'h' => -- clear window B
+ Clear (win2);
+ Move_Cursor (win2, 0, 0);
+ when 'i' => -- overwrite A onto B
+ Overwrite (win1, win2);
+ when 'j' => -- overwrite B onto A
+ Overwrite (win2, win1);
+ when others => null;
+ end case;
+ end loop;
+
+ Delete (win2);
+ Delete (win1);
+ Erase;
+ End_Windows;
+end ncurses2.overlap_test;
projects / ncurses.git / blobdiff