mirror/ncursesw-morphos
2
0
Fork 0
mirror of https://github.com/Aigor44/ncursesw-morphos.git synced 2024-12-21 07:39:06 +08:00
Code Issues Packages Projects Releases Wiki Activity
3ec8f79f3c
ncursesw-morphos/Ada95/samples/ncurses2-trace_set.adb
Thomas E. Dickey 027ae42953 ncurses 5.6
2006-12-17 23:32:42 -05:00

479 lines
17 KiB
Ada
Raw Blame History

------------------------------------------------------------------------------
-- --
-- GNAT ncurses Binding Samples --
-- --
-- ncurses2.trace_set --
-- --
-- B O D Y --
-- --
------------------------------------------------------------------------------
-- Copyright (c) 2000,2006 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: 1.2 $
-- $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 Terminal_Interface.Curses.Trace; use Terminal_Interface.Curses.Trace;
with Terminal_Interface.Curses.Menus; use Terminal_Interface.Curses.Menus;
with Ada.Strings.Bounded;
-- interactively set the trace level
procedure ncurses2.trace_set is
function menu_virtualize (c : Key_Code) return Menu_Request_Code;
function subset (super, sub : Trace_Attribute_Set) return Boolean;
function trace_or (a, b : Trace_Attribute_Set) return Trace_Attribute_Set;
function trace_num (tlevel : Trace_Attribute_Set) return String;
function tracetrace (tlevel : Trace_Attribute_Set) return String;
function run_trace_menu (m : Menu) return Boolean;
function menu_virtualize (c : Key_Code) return Menu_Request_Code is
begin
case c is
when Character'Pos (newl) | Key_Exit =>
return Menu_Request_Code'Last + 1; -- MAX_COMMAND? TODO
when Character'Pos ('u') =>
return M_ScrollUp_Line;
when Character'Pos ('d') =>
return M_ScrollDown_Line;
when Character'Pos ('b') | Key_Next_Page =>
return M_ScrollUp_Page;
when Character'Pos ('f') | Key_Previous_Page =>
return M_ScrollDown_Page;
when Character'Pos ('n') | Key_Cursor_Down =>
return M_Next_Item;
when Character'Pos ('p') | Key_Cursor_Up =>
return M_Previous_Item;
when Character'Pos (' ') =>
return M_Toggle_Item;
when Key_Mouse =>
return c;
when others =>
Beep;
return c;
end case;
end menu_virtualize;
type string_a is access String;
type tbl_entry is record
name : string_a;
mask : Trace_Attribute_Set;
end record;
t_tbl : constant array (Positive range <>) of tbl_entry :=
(
(new String'("Disable"),
Trace_Disable),
(new String'("Times"),
Trace_Attribute_Set'(Times => True, others => False)),
(new String'("Tputs"),
Trace_Attribute_Set'(Tputs => True, others => False)),
(new String'("Update"),
Trace_Attribute_Set'(Update => True, others => False)),
(new String'("Cursor_Move"),
Trace_Attribute_Set'(Cursor_Move => True, others => False)),
(new String'("Character_Output"),
Trace_Attribute_Set'(Character_Output => True, others => False)),
(new String'("Ordinary"),
Trace_Ordinary),
(new String'("Calls"),
Trace_Attribute_Set'(Calls => True, others => False)),
(new String'("Virtual_Puts"),
Trace_Attribute_Set'(Virtual_Puts => True, others => False)),
(new String'("Input_Events"),
Trace_Attribute_Set'(Input_Events => True, others => False)),
(new String'("TTY_State"),
Trace_Attribute_Set'(TTY_State => True, others => False)),
(new String'("Internal_Calls"),
Trace_Attribute_Set'(Internal_Calls => True, others => False)),
(new String'("Character_Calls"),
Trace_Attribute_Set'(Character_Calls => True, others => False)),
(new String'("Termcap_TermInfo"),
Trace_Attribute_Set'(Termcap_TermInfo => True, others => False)),
(new String'("Maximium"),
Trace_Maximum)
);
package BS is new Ada.Strings.Bounded.Generic_Bounded_Length (300);
function subset (super, sub : Trace_Attribute_Set) return Boolean is
begin
if
(super.Times or not sub.Times) and
(super.Tputs or not sub.Tputs) and
(super.Update or not sub.Update) and
(super.Cursor_Move or not sub.Cursor_Move) and
(super.Character_Output or not sub.Character_Output) and
(super.Calls or not sub.Calls) and
(super.Virtual_Puts or not sub.Virtual_Puts) and
(super.Input_Events or not sub.Input_Events) and
(super.TTY_State or not sub.TTY_State) and
(super.Internal_Calls or not sub.Internal_Calls) and
(super.Character_Calls or not sub.Character_Calls) and
(super.Termcap_TermInfo or not sub.Termcap_TermInfo) and
True then
return True;
else
return False;
end if;
end subset;
function trace_or (a, b : Trace_Attribute_Set) return Trace_Attribute_Set is
retval : Trace_Attribute_Set := Trace_Disable;
begin
retval.Times := (a.Times or b.Times);
retval.Tputs := (a.Tputs or b.Tputs);
retval.Update := (a.Update or b.Update);
retval.Cursor_Move := (a.Cursor_Move or b.Cursor_Move);
retval.Character_Output := (a.Character_Output or b.Character_Output);
retval.Calls := (a.Calls or b.Calls);
retval.Virtual_Puts := (a.Virtual_Puts or b.Virtual_Puts);
retval.Input_Events := (a.Input_Events or b.Input_Events);
retval.TTY_State := (a.TTY_State or b.TTY_State);
retval.Internal_Calls := (a.Internal_Calls or b.Internal_Calls);
retval.Character_Calls := (a.Character_Calls or b.Character_Calls);
retval.Termcap_TermInfo := (a.Termcap_TermInfo or b.Termcap_TermInfo);
return retval;
end trace_or;
-- Print the hexadecimal value of the mask so
-- users can set it from the command line.
function trace_num (tlevel : Trace_Attribute_Set) return String is
result : Integer := 0;
m : Integer := 1;
begin
if tlevel.Times then
result := result + m;
end if;
m := m * 2;
if tlevel.Tputs then
result := result + m;
end if;
m := m * 2;
if tlevel.Update then
result := result + m;
end if;
m := m * 2;
if tlevel.Cursor_Move then
result := result + m;
end if;
m := m * 2;
if tlevel.Character_Output then
result := result + m;
end if;
m := m * 2;
if tlevel.Calls then
result := result + m;
end if;
m := m * 2;
if tlevel.Virtual_Puts then
result := result + m;
end if;
m := m * 2;
if tlevel.Input_Events then
result := result + m;
end if;
m := m * 2;
if tlevel.TTY_State then
result := result + m;
end if;
m := m * 2;
if tlevel.Internal_Calls then
result := result + m;
end if;
m := m * 2;
if tlevel.Character_Calls then
result := result + m;
end if;
m := m * 2;
if tlevel.Termcap_TermInfo then
result := result + m;
end if;
m := m * 2;
return result'Img;
end trace_num;
function tracetrace (tlevel : Trace_Attribute_Set) return String is
use BS;
buf : Bounded_String := To_Bounded_String ("");
begin
-- The C version prints the hexadecimal value of the mask, we
-- won't do that here because this is Ada.
if tlevel = Trace_Disable then
Append (buf, "Trace_Disable");
else
if subset (tlevel,
Trace_Attribute_Set'(Times => True, others => False)) then
Append (buf, "Times");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Tputs => True, others => False)) then
Append (buf, "Tputs");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Update => True, others => False)) then
Append (buf, "Update");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Cursor_Move => True,
others => False)) then
Append (buf, "Cursor_Move");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Character_Output => True,
others => False)) then
Append (buf, "Character_Output");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Ordinary) then
Append (buf, "Ordinary");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Calls => True, others => False)) then
Append (buf, "Calls");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Virtual_Puts => True,
others => False)) then
Append (buf, "Virtual_Puts");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Input_Events => True,
others => False)) then
Append (buf, "Input_Events");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(TTY_State => True,
others => False)) then
Append (buf, "TTY_State");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Internal_Calls => True,
others => False)) then
Append (buf, "Internal_Calls");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Character_Calls => True,
others => False)) then
Append (buf, "Character_Calls");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Attribute_Set'(Termcap_TermInfo => True,
others => False)) then
Append (buf, "Termcap_TermInfo");
Append (buf, ", ");
end if;
if subset (tlevel,
Trace_Maximum) then
Append (buf, "Maximium");
Append (buf, ", ");
end if;
end if;
if To_String (buf) (Length (buf) - 1) = ',' then
Delete (buf, Length (buf) - 1, Length (buf));
end if;
return To_String (buf);
end tracetrace;
function run_trace_menu (m : Menu) return Boolean is
i, p : Item;
changed : Boolean;
c, v : Key_Code;
begin
loop
changed := False;
c := Getchar (Get_Window (m));
v := menu_virtualize (c);
case Driver (m, v) is
when Unknown_Request =>
return False;
when others =>
i := Current (m);
if i = Menus.Items (m, 1) then -- the first item
for n in t_tbl'First + 1 .. t_tbl'Last loop
if Value (i) then
Set_Value (i, False);
changed := True;
end if;
end loop;
else
for n in t_tbl'First + 1 .. t_tbl'Last loop
p := Menus.Items (m, n);
if Value (p) then
Set_Value (Menus.Items (m, 1), False);
changed := True;
exit;
end if;
end loop;
end if;
if not changed then
return True;
end if;
end case;
end loop;
end run_trace_menu;
nc_tracing, mask : Trace_Attribute_Set;
pragma Import (C, nc_tracing, "_nc_tracing");
items_a : constant Item_Array_Access :=
new Item_Array (t_tbl'First .. t_tbl'Last + 1);
mrows : Line_Count;
mcols : Column_Count;
menuwin : Window;
menu_y : constant Line_Position := 8;
menu_x : constant Column_Position := 8;
ip : Item;
m : Menu;
newtrace : Trace_Attribute_Set;
begin
Add (Line => 0, Column => 0, Str => "Interactively set trace level:");
Add (Line => 2, Column => 0,
Str => " Press space bar to toggle a selection.");
Add (Line => 3, Column => 0,
Str => " Use up and down arrow to move the select bar.");
Add (Line => 4, Column => 0,
Str => " Press return to set the trace level.");
Add (Line => 6, Column => 0, Str => "(Current trace level is ");
Add (Str => tracetrace (nc_tracing) & " numerically: " &
trace_num (nc_tracing));
Add (Ch => ')');
Refresh;
for n in t_tbl'Range loop
items_a (n) := New_Item (t_tbl (n).name.all);
end loop;
items_a (t_tbl'Last + 1) := Null_Item;
m := New_Menu (items_a);
Set_Format (m, 16, 2);
Scale (m, mrows, mcols);
Switch_Options (m, (One_Valued => True, others => False), On => False);
menuwin := New_Window (mrows + 2, mcols + 2, menu_y, menu_x);
Set_Window (m, menuwin);
Set_KeyPad_Mode (menuwin, SwitchOn => True);
Box (menuwin);
Set_Sub_Window (m, Derived_Window (menuwin, mrows, mcols, 1, 1));
Post (m);
for n in t_tbl'Range loop
ip := Items (m, n);
mask := t_tbl (n).mask;
if mask = Trace_Disable then
Set_Value (ip, nc_tracing = Trace_Disable);
elsif subset (sub => mask, super => nc_tracing) then
Set_Value (ip, True);
end if;
end loop;
while run_trace_menu (m) loop
null;
end loop;
newtrace := Trace_Disable;
for n in t_tbl'Range loop
ip := Items (m, n);
if Value (ip) then
mask := t_tbl (n).mask;
newtrace := trace_or (newtrace, mask);
end if;
end loop;
Trace_On (newtrace);
Trace_Put ("trace level interactively set to " &
tracetrace (nc_tracing));
Move_Cursor (Line => Lines - 4, Column => 0);
Add (Str => "Trace level is ");
Add (Str => tracetrace (nc_tracing));
Add (Ch => newl);
Pause; -- was just Add(); Getchar
Post (m, False);
-- menuwin has subwindows I think, which makes an error.
declare begin
Delete (menuwin);
exception when Curses_Exception => null; end;
-- free_menu(m);
-- free_item()
end ncurses2.trace_set;
Reference in New Issue View Git Blame Copy Permalink