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Diffstat (limited to 'ncurses-5.3/Ada95/samples/ncurses2-acs_display.adb')
| -rw-r--r-- | ncurses-5.3/Ada95/samples/ncurses2-acs_display.adb | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/ncurses-5.3/Ada95/samples/ncurses2-acs_display.adb b/ncurses-5.3/Ada95/samples/ncurses2-acs_display.adb new file mode 100644 index 0000000..7e63b79 --- /dev/null +++ b/ncurses-5.3/Ada95/samples/ncurses2-acs_display.adb @@ -0,0 +1,231 @@ +------------------------------------------------------------------------------ +-- -- +-- 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 +------------------------------------------------------------------------------ +with ncurses2.util; use ncurses2.util; +with ncurses2.genericPuts; +with Terminal_Interface.Curses; use Terminal_Interface.Curses; + +with Ada.Strings.Unbounded; +with Ada.Strings.Fixed; + +procedure ncurses2.acs_display is + use Int_IO; + + procedure show_upper_chars (first : Integer); + function show_1_acs (N : Integer; + name : String; + code : Attributed_Character) + return Integer; + procedure show_acs_chars; + + + procedure show_upper_chars (first : Integer) is + C1 : Boolean := (first = 128); + last : Integer := first + 31; + package p is new ncurses2.genericPuts (200); + use p; + use p.BS; + use Ada.Strings.Unbounded; + + tmpa : Unbounded_String; + tmpb : BS.Bounded_String; + begin + Erase; + Switch_Character_Attribute + (Attr => (Bold_Character => True, others => False)); + Move_Cursor (Line => 0, Column => 20); + tmpa := To_Unbounded_String ("Display of "); + if C1 then + tmpa := tmpa & "C1"; + else + tmpa := tmpa & "GR"; + end if; + tmpa := tmpa & " Character Codes "; + myPut (tmpb, first); + Append (tmpa, To_String (tmpb)); + Append (tmpa, " to "); + myPut (tmpb, last); + Append (tmpa, To_String (tmpb)); + Add (Str => To_String (tmpa)); + Switch_Character_Attribute + (On => False, + Attr => (Bold_Character => True, others => False)); + Refresh; + + for code in first .. last loop + declare + row : Line_Position := Line_Position (4 + ((code - first) mod 16)); + col : Column_Position := Column_Position (((code - first) / 16) * + Integer (Columns) / 2); + tmp3 : String (1 .. 3); + tmpx : String (1 .. Integer (Columns / 4)); + reply : Key_Code; + begin + Put (tmp3, code); + myPut (tmpb, code, 16); + tmpa := To_Unbounded_String (tmp3 & " (" & To_String (tmpb) & ')'); + + Ada.Strings.Fixed.Move (To_String (tmpa), tmpx, + Justify => Ada.Strings.Right); + Add (Line => row, Column => col, + Str => tmpx & ' ' & ':' & ' '); + if C1 then + Set_NoDelay_Mode (Mode => True); + end if; + Add_With_Immediate_Echo (Ch => Code_To_Char (Key_Code (code))); + -- TODO check this + if C1 then + reply := Getchar; + while reply /= Key_None loop + Add (Ch => Code_To_Char (reply)); + Nap_Milli_Seconds (10); + reply := Getchar; + end loop; + Set_NoDelay_Mode (Mode => False); + end if; + end; + end loop; + end show_upper_chars; + + function show_1_acs (N : Integer; + name : String; + code : Attributed_Character) + return Integer is + height : constant Integer := 16; + row : Line_Position := Line_Position (4 + (N mod height)); + col : Column_Position := Column_Position ((N / height) * + Integer (Columns) / 2); + tmpx : String (1 .. Integer (Columns) / 3); + begin + Ada.Strings.Fixed.Move (name, tmpx, + Justify => Ada.Strings.Right, + Drop => Ada.Strings.Left); + Add (Line => row, Column => col, Str => tmpx & ' ' & ':' & ' '); + -- we need more room than C because our identifiers are longer + -- 22 chars actually + Add (Ch => code); + return N + 1; + end show_1_acs; + + procedure show_acs_chars is + n : Integer; + begin + Erase; + Switch_Character_Attribute + (Attr => (Bold_Character => True, others => False)); + Add (Line => 0, Column => 20, + Str => "Display of the ACS Character Set"); + Switch_Character_Attribute (On => False, + Attr => (Bold_Character => True, + others => False)); + Refresh; + + -- the following is useful to generate the below + -- grep '^[ ]*ACS_' ../src/terminal_interface-curses.ads | + -- awk '{print "n := show_1_acs(n, \""$1"\", ACS_Map("$1"));"}' + + n := show_1_acs (0, "ACS_Upper_Left_Corner", + ACS_Map (ACS_Upper_Left_Corner)); + n := show_1_acs (n, "ACS_Lower_Left_Corner", + ACS_Map (ACS_Lower_Left_Corner)); + n := show_1_acs (n, "ACS_Upper_Right_Corner", + ACS_Map (ACS_Upper_Right_Corner)); + n := show_1_acs (n, "ACS_Lower_Right_Corner", + ACS_Map (ACS_Lower_Right_Corner)); + n := show_1_acs (n, "ACS_Left_Tee", ACS_Map (ACS_Left_Tee)); + n := show_1_acs (n, "ACS_Right_Tee", ACS_Map (ACS_Right_Tee)); + n := show_1_acs (n, "ACS_Bottom_Tee", ACS_Map (ACS_Bottom_Tee)); + n := show_1_acs (n, "ACS_Top_Tee", ACS_Map (ACS_Top_Tee)); + n := show_1_acs (n, "ACS_Horizontal_Line", + ACS_Map (ACS_Horizontal_Line)); + n := show_1_acs (n, "ACS_Vertical_Line", ACS_Map (ACS_Vertical_Line)); + n := show_1_acs (n, "ACS_Plus_Symbol", ACS_Map (ACS_Plus_Symbol)); + n := show_1_acs (n, "ACS_Scan_Line_1", ACS_Map (ACS_Scan_Line_1)); + n := show_1_acs (n, "ACS_Scan_Line_9", ACS_Map (ACS_Scan_Line_9)); + n := show_1_acs (n, "ACS_Diamond", ACS_Map (ACS_Diamond)); + n := show_1_acs (n, "ACS_Checker_Board", ACS_Map (ACS_Checker_Board)); + n := show_1_acs (n, "ACS_Degree", ACS_Map (ACS_Degree)); + n := show_1_acs (n, "ACS_Plus_Minus", ACS_Map (ACS_Plus_Minus)); + n := show_1_acs (n, "ACS_Bullet", ACS_Map (ACS_Bullet)); + n := show_1_acs (n, "ACS_Left_Arrow", ACS_Map (ACS_Left_Arrow)); + n := show_1_acs (n, "ACS_Right_Arrow", ACS_Map (ACS_Right_Arrow)); + n := show_1_acs (n, "ACS_Down_Arrow", ACS_Map (ACS_Down_Arrow)); + n := show_1_acs (n, "ACS_Up_Arrow", ACS_Map (ACS_Up_Arrow)); + n := show_1_acs (n, "ACS_Board_Of_Squares", + ACS_Map (ACS_Board_Of_Squares)); + n := show_1_acs (n, "ACS_Lantern", ACS_Map (ACS_Lantern)); + n := show_1_acs (n, "ACS_Solid_Block", ACS_Map (ACS_Solid_Block)); + n := show_1_acs (n, "ACS_Scan_Line_3", ACS_Map (ACS_Scan_Line_3)); + n := show_1_acs (n, "ACS_Scan_Line_7", ACS_Map (ACS_Scan_Line_7)); + n := show_1_acs (n, "ACS_Less_Or_Equal", ACS_Map (ACS_Less_Or_Equal)); + n := show_1_acs (n, "ACS_Greater_Or_Equal", + ACS_Map (ACS_Greater_Or_Equal)); + n := show_1_acs (n, "ACS_PI", ACS_Map (ACS_PI)); + n := show_1_acs (n, "ACS_Not_Equal", ACS_Map (ACS_Not_Equal)); + n := show_1_acs (n, "ACS_Sterling", ACS_Map (ACS_Sterling)); + + end show_acs_chars; + + c1 : Key_Code; + c : Character := 'a'; +begin + loop + case c is + when 'a' => + show_acs_chars; + when '0' | '1' | '2' | '3' => + show_upper_chars (ctoi (c) * 32 + 128); + when others => + null; + end case; + Add (Line => Lines - 3, Column => 0, + Str => "Note: ANSI terminals may not display C1 characters."); + Add (Line => Lines - 2, Column => 0, + Str => "Select: a=ACS, 0=C1, 1,2,3=GR characters, q=quit"); + Refresh; + c1 := Getchar; + c := Code_To_Char (c1); + exit when c = 'q' or c = 'x'; + end loop; + Pause; + Erase; + End_Windows; +end ncurses2.acs_display; + |