1 ------------------------------------------------------------------------------
3 -- GNAT ncurses Binding --
5 -- Terminal_Interface.Curses --
9 ------------------------------------------------------------------------------
10 -- Copyright (c) 1998 Free Software Foundation, Inc. --
12 -- Permission is hereby granted, free of charge, to any person obtaining a --
13 -- copy of this software and associated documentation files (the --
14 -- "Software"), to deal in the Software without restriction, including --
15 -- without limitation the rights to use, copy, modify, merge, publish, --
16 -- distribute, distribute with modifications, sublicense, and/or sell --
17 -- copies of the Software, and to permit persons to whom the Software is --
18 -- furnished to do so, subject to the following conditions: --
20 -- The above copyright notice and this permission notice shall be included --
21 -- in all copies or substantial portions of the Software. --
23 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
24 -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
25 -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
26 -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
27 -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
28 -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
29 -- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
31 -- Except as contained in this notice, the name(s) of the above copyright --
32 -- holders shall not be used in advertising or otherwise to promote the --
33 -- sale, use or other dealings in this Software without prior written --
35 ------------------------------------------------------------------------------
36 -- Author: Juergen Pfeifer, 1996
37 -- Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en
40 -- Binding Version 01.00
41 ------------------------------------------------------------------------------
44 with Terminal_Interface.Curses.Aux;
45 with Interfaces.C; use Interfaces.C;
46 with Interfaces.C.Strings; use Interfaces.C.Strings;
47 with Interfaces.C.Pointers;
48 with Ada.Characters.Handling; use Ada.Characters.Handling;
49 with Ada.Strings.Fixed;
50 with Ada.Unchecked_Conversion;
52 package body Terminal_Interface.Curses is
55 use type System.Bit_Order;
57 package ASF renames Ada.Strings.Fixed;
59 type chtype_array is array (size_t range <>)
60 of aliased Attributed_Character;
61 pragma Convention (C, chtype_array);
63 ------------------------------------------------------------------------------
66 function W_Get_Element (Win : in Window;
67 Offset : in Natural) return Element;
69 function W_Get_Element (Win : in Window;
70 Offset : in Natural) return Element is
71 type E_Array is array (Natural range <>) of aliased Element;
72 package C_E_Array is new
73 Interfaces.C.Pointers (Natural, Element, E_Array, Element'Val (0));
76 function To_Pointer is new
77 Ada.Unchecked_Conversion (Window, Pointer);
79 P : Pointer := To_Pointer (Win);
81 if Win = Null_Window then
82 raise Curses_Exception;
84 P := P + ptrdiff_t (Offset);
89 function W_Get_Int is new W_Get_Element (C_Int);
90 function W_Get_Short is new W_Get_Element (C_Short);
91 function W_Get_Byte is new W_Get_Element (Interfaces.C.unsigned_char);
93 function Get_Flag (Win : Window;
94 Offset : Natural) return Boolean;
96 function Get_Flag (Win : Window;
97 Offset : Natural) return Boolean
102 when 1 => Res := C_Int (W_Get_Byte (Win, Offset));
103 when 2 => Res := C_Int (W_Get_Short (Win, Offset));
104 when 4 => Res := C_Int (W_Get_Int (Win, Offset));
105 when others => raise Curses_Exception;
109 when 0 => return False;
110 when others => return True;
114 ------------------------------------------------------------------------------
115 function Key_Name (Key : in Real_Key_Code) return String
117 function Keyname (K : C_Int) return chars_ptr;
118 pragma Import (C, Keyname, "keyname");
122 if Key <= Character'Pos (Character'Last) then
123 Ch := Character'Val (Key);
124 if Is_Control (Ch) then
125 return Un_Control (Attributed_Character'(Ch => Ch,
126 Color => Color_Pair'First,
127 Attr => Normal_Video));
128 elsif Is_Graphic (Ch) then
139 return Fill_String (Keyname (C_Int (Key)));
143 procedure Key_Name (Key : in Real_Key_Code;
147 ASF.Move (Key_Name (Key), Name);
150 ------------------------------------------------------------------------------
151 procedure Init_Screen
153 function Initscr return Window;
154 pragma Import (C, Initscr, "initscr");
159 if W = Null_Window then
160 raise Curses_Exception;
164 procedure End_Windows
166 function Endwin return C_Int;
167 pragma Import (C, Endwin, "endwin");
169 if Endwin = Curses_Err then
170 raise Curses_Exception;
174 function Is_End_Window return Boolean
176 function Isendwin return Curses_Bool;
177 pragma Import (C, Isendwin, "isendwin");
179 if Isendwin = Curses_Bool_False then
185 ------------------------------------------------------------------------------
186 procedure Move_Cursor (Win : in Window := Standard_Window;
187 Line : in Line_Position;
188 Column : in Column_Position)
190 function Wmove (Win : Window;
194 pragma Import (C, Wmove, "wmove");
196 if Wmove (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
197 raise Curses_Exception;
200 ------------------------------------------------------------------------------
201 procedure Add (Win : in Window := Standard_Window;
202 Ch : in Attributed_Character)
204 function Waddch (W : Window;
205 Ch : C_Chtype) return C_Int;
206 pragma Import (C, Waddch, "waddch");
208 if Waddch (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then
209 raise Curses_Exception;
213 procedure Add (Win : in Window := Standard_Window;
218 Attributed_Character'(Ch => Ch,
219 Color => Color_Pair'First,
220 Attr => Normal_Video));
224 (Win : in Window := Standard_Window;
225 Line : in Line_Position;
226 Column : in Column_Position;
227 Ch : in Attributed_Character)
229 function mvwaddch (W : Window;
232 Ch : C_Chtype) return C_Int;
233 pragma Import (C, mvwaddch, "mvwaddch");
235 if mvwaddch (Win, C_Int (Line),
237 AttrChar_To_Chtype (Ch)) = Curses_Err then
238 raise Curses_Exception;
243 (Win : in Window := Standard_Window;
244 Line : in Line_Position;
245 Column : in Column_Position;
252 Attributed_Character'(Ch => Ch,
253 Color => Color_Pair'First,
254 Attr => Normal_Video));
257 procedure Add_With_Immediate_Echo
258 (Win : in Window := Standard_Window;
259 Ch : in Attributed_Character)
261 function Wechochar (W : Window;
262 Ch : C_Chtype) return C_Int;
263 pragma Import (C, Wechochar, "wechochar");
265 if Wechochar (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then
266 raise Curses_Exception;
268 end Add_With_Immediate_Echo;
270 procedure Add_With_Immediate_Echo
271 (Win : in Window := Standard_Window;
275 Add_With_Immediate_Echo
277 Attributed_Character'(Ch => Ch,
278 Color => Color_Pair'First,
279 Attr => Normal_Video));
280 end Add_With_Immediate_Echo;
281 ------------------------------------------------------------------------------
282 function Create (Number_Of_Lines : Line_Count;
283 Number_Of_Columns : Column_Count;
284 First_Line_Position : Line_Position;
285 First_Column_Position : Column_Position) return Window
287 function Newwin (Number_Of_Lines : C_Int;
288 Number_Of_Columns : C_Int;
289 First_Line_Position : C_Int;
290 First_Column_Position : C_Int) return Window;
291 pragma Import (C, Newwin, "newwin");
295 W := Newwin (C_Int (Number_Of_Lines),
296 C_Int (Number_Of_Columns),
297 C_Int (First_Line_Position),
298 C_Int (First_Column_Position));
299 if W = Null_Window then
300 raise Curses_Exception;
305 procedure Delete (Win : in out Window)
307 function Wdelwin (W : Window) return C_Int;
308 pragma Import (C, Wdelwin, "delwin");
310 if Wdelwin (Win) = Curses_Err then
311 raise Curses_Exception;
317 (Win : Window := Standard_Window;
318 Number_Of_Lines : Line_Count;
319 Number_Of_Columns : Column_Count;
320 First_Line_Position : Line_Position;
321 First_Column_Position : Column_Position) return Window
325 Number_Of_Lines : C_Int;
326 Number_Of_Columns : C_Int;
327 First_Line_Position : C_Int;
328 First_Column_Position : C_Int) return Window;
329 pragma Import (C, Subwin, "subwin");
334 C_Int (Number_Of_Lines),
335 C_Int (Number_Of_Columns),
336 C_Int (First_Line_Position),
337 C_Int (First_Column_Position));
338 if W = Null_Window then
339 raise Curses_Exception;
344 function Derived_Window
345 (Win : Window := Standard_Window;
346 Number_Of_Lines : Line_Count;
347 Number_Of_Columns : Column_Count;
348 First_Line_Position : Line_Position;
349 First_Column_Position : Column_Position) return Window
353 Number_Of_Lines : C_Int;
354 Number_Of_Columns : C_Int;
355 First_Line_Position : C_Int;
356 First_Column_Position : C_Int) return Window;
357 pragma Import (C, Derwin, "derwin");
362 C_Int (Number_Of_Lines),
363 C_Int (Number_Of_Columns),
364 C_Int (First_Line_Position),
365 C_Int (First_Column_Position));
366 if W = Null_Window then
367 raise Curses_Exception;
372 function Duplicate (Win : Window) return Window
374 function Dupwin (Win : Window) return Window;
375 pragma Import (C, Dupwin, "dupwin");
377 W : Window := Dupwin (Win);
379 if W = Null_Window then
380 raise Curses_Exception;
385 procedure Move_Window (Win : in Window;
386 Line : in Line_Position;
387 Column : in Column_Position)
389 function Mvwin (Win : Window;
391 Column : C_Int) return C_Int;
392 pragma Import (C, Mvwin, "mvwin");
394 if Mvwin (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
395 raise Curses_Exception;
399 procedure Move_Derived_Window (Win : in Window;
400 Line : in Line_Position;
401 Column : in Column_Position)
403 function Mvderwin (Win : Window;
405 Column : C_Int) return C_Int;
406 pragma Import (C, Mvderwin, "mvderwin");
408 if Mvderwin (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
409 raise Curses_Exception;
411 end Move_Derived_Window;
413 procedure Set_Synch_Mode (Win : in Window := Standard_Window;
414 Mode : in Boolean := False)
416 function Syncok (Win : Window;
417 Mode : Curses_Bool) return C_Int;
418 pragma Import (C, Syncok, "syncok");
420 if Syncok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
421 raise Curses_Exception;
424 ------------------------------------------------------------------------------
425 procedure Add (Win : in Window := Standard_Window;
427 Len : in Integer := -1)
429 function Waddnstr (Win : Window;
431 Len : C_Int := -1) return C_Int;
432 pragma Import (C, Waddnstr, "waddnstr");
434 Txt : char_array (0 .. Str'Length);
437 To_C (Str, Txt, Length);
438 if Waddnstr (Win, Txt, C_Int (Len)) = Curses_Err then
439 raise Curses_Exception;
444 (Win : in Window := Standard_Window;
445 Line : in Line_Position;
446 Column : in Column_Position;
448 Len : in Integer := -1)
451 Move_Cursor (Win, Line, Column);
454 ------------------------------------------------------------------------------
456 (Win : in Window := Standard_Window;
457 Str : in Attributed_String;
458 Len : in Integer := -1)
460 function Waddchnstr (Win : Window;
462 Len : C_Int := -1) return C_Int;
463 pragma Import (C, Waddchnstr, "waddchnstr");
465 Txt : chtype_array (0 .. Str'Length);
467 for Length in 1 .. size_t (Str'Length) loop
468 Txt (Length - 1) := Str (Natural (Length));
470 Txt (Str'Length) := Default_Character;
473 C_Int (Len)) = Curses_Err then
474 raise Curses_Exception;
479 (Win : in Window := Standard_Window;
480 Line : in Line_Position;
481 Column : in Column_Position;
482 Str : in Attributed_String;
483 Len : in Integer := -1)
486 Move_Cursor (Win, Line, Column);
489 ------------------------------------------------------------------------------
491 (Win : in Window := Standard_Window;
492 Left_Side_Symbol : in Attributed_Character := Default_Character;
493 Right_Side_Symbol : in Attributed_Character := Default_Character;
494 Top_Side_Symbol : in Attributed_Character := Default_Character;
495 Bottom_Side_Symbol : in Attributed_Character := Default_Character;
496 Upper_Left_Corner_Symbol : in Attributed_Character := Default_Character;
497 Upper_Right_Corner_Symbol : in Attributed_Character := Default_Character;
498 Lower_Left_Corner_Symbol : in Attributed_Character := Default_Character;
499 Lower_Right_Corner_Symbol : in Attributed_Character := Default_Character)
501 function Wborder (W : Window;
509 LRC : C_Chtype) return C_Int;
510 pragma Import (C, Wborder, "wborder");
513 AttrChar_To_Chtype (Left_Side_Symbol),
514 AttrChar_To_Chtype (Right_Side_Symbol),
515 AttrChar_To_Chtype (Top_Side_Symbol),
516 AttrChar_To_Chtype (Bottom_Side_Symbol),
517 AttrChar_To_Chtype (Upper_Left_Corner_Symbol),
518 AttrChar_To_Chtype (Upper_Right_Corner_Symbol),
519 AttrChar_To_Chtype (Lower_Left_Corner_Symbol),
520 AttrChar_To_Chtype (Lower_Right_Corner_Symbol)
523 raise Curses_Exception;
528 (Win : in Window := Standard_Window;
529 Vertical_Symbol : in Attributed_Character := Default_Character;
530 Horizontal_Symbol : in Attributed_Character := Default_Character)
534 Vertical_Symbol, Vertical_Symbol,
535 Horizontal_Symbol, Horizontal_Symbol);
538 procedure Horizontal_Line
539 (Win : in Window := Standard_Window;
540 Line_Size : in Natural;
541 Line_Symbol : in Attributed_Character := Default_Character)
543 function Whline (W : Window;
545 Len : C_Int) return C_Int;
546 pragma Import (C, Whline, "whline");
549 AttrChar_To_Chtype (Line_Symbol),
550 C_Int (Line_Size)) = Curses_Err then
551 raise Curses_Exception;
555 procedure Vertical_Line
556 (Win : in Window := Standard_Window;
557 Line_Size : in Natural;
558 Line_Symbol : in Attributed_Character := Default_Character)
560 function Wvline (W : Window;
562 Len : C_Int) return C_Int;
563 pragma Import (C, Wvline, "wvline");
566 AttrChar_To_Chtype (Line_Symbol),
567 C_Int (Line_Size)) = Curses_Err then
568 raise Curses_Exception;
572 ------------------------------------------------------------------------------
573 function Get_Keystroke (Win : Window := Standard_Window)
576 function Wgetch (W : Window) return C_Int;
577 pragma Import (C, Wgetch, "wgetch");
579 C : constant C_Int := Wgetch (Win);
581 if C = Curses_Err then
584 return Real_Key_Code (C);
588 procedure Undo_Keystroke (Key : in Real_Key_Code)
590 function Ungetch (Ch : C_Int) return C_Int;
591 pragma Import (C, Ungetch, "ungetch");
593 if Ungetch (C_Int (Key)) = Curses_Err then
594 raise Curses_Exception;
598 function Has_Key (Key : Special_Key_Code) return Boolean
600 function Haskey (Key : C_Int) return C_Int;
601 pragma Import (C, Haskey, "has_key");
603 if Haskey (C_Int (Key)) = Curses_False then
610 function Is_Function_Key (Key : Special_Key_Code) return Boolean
612 L : constant Special_Key_Code := Special_Key_Code (Natural (Key_F0) +
613 Natural (Function_Key_Number'Last));
615 if (Key >= Key_F0) and then (Key <= L) then
622 function Function_Key (Key : Real_Key_Code)
623 return Function_Key_Number
626 if Is_Function_Key (Key) then
627 return Function_Key_Number (Key - Key_F0);
629 raise Constraint_Error;
633 function Function_Key_Code (Key : Function_Key_Number) return Real_Key_Code
636 return Real_Key_Code (Natural (Key_F0) + Natural (Key));
637 end Function_Key_Code;
638 ------------------------------------------------------------------------------
639 procedure Standout (Win : Window := Standard_Window;
640 On : Boolean := True)
642 function wstandout (Win : Window) return C_Int;
643 pragma Import (C, wstandout, "wstandout");
644 function wstandend (Win : Window) return C_Int;
645 pragma Import (C, wstandend, "wstandend");
650 Err := wstandout (Win);
652 Err := wstandend (Win);
654 if Err = Curses_Err then
655 raise Curses_Exception;
659 procedure Switch_Character_Attribute
660 (Win : in Window := Standard_Window;
661 Attr : in Character_Attribute_Set := Normal_Video;
662 On : in Boolean := True)
664 function Wattron (Win : Window;
665 C_Attr : C_AttrType) return C_Int;
666 pragma Import (C, Wattron, "wattr_on");
667 function Wattroff (Win : Window;
668 C_Attr : C_AttrType) return C_Int;
669 pragma Import (C, Wattroff, "wattr_off");
670 -- In Ada we use the On Boolean to control whether or not we want to
671 -- switch on or off the attributes in the set.
673 AC : constant Attributed_Character := (Ch => Character'First,
674 Color => Color_Pair'First,
678 Err := Wattron (Win, AttrChar_To_AttrType (AC));
680 Err := Wattroff (Win, AttrChar_To_AttrType (AC));
682 if Err = Curses_Err then
683 raise Curses_Exception;
685 end Switch_Character_Attribute;
687 procedure Set_Character_Attributes
688 (Win : in Window := Standard_Window;
689 Attr : in Character_Attribute_Set := Normal_Video;
690 Color : in Color_Pair := Color_Pair'First)
692 function Wattrset (Win : Window;
693 C_Attr : C_AttrType) return C_Int;
694 pragma Import (C, Wattrset, "wattrset"); -- ??? wattr_set
697 AttrChar_To_AttrType (Attributed_Character'
698 (Ch => Character'First,
700 Attr => Attr))) = Curses_Err then
701 raise Curses_Exception;
703 end Set_Character_Attributes;
705 function Get_Character_Attribute (Win : Window := Standard_Window)
706 return Character_Attribute_Set
708 function Wattrget (Win : Window;
709 Atr : access C_AttrType;
710 Col : access C_Short;
711 Opt : System.Address) return C_Int;
712 pragma Import (C, Wattrget, "wattr_get");
714 Attr : aliased C_AttrType;
715 Col : aliased C_Short;
716 Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access,
717 System.Null_Address);
718 Ch : Attributed_Character;
720 if Res = Curses_Ok then
721 Ch := AttrType_To_AttrChar (Attr);
724 raise Curses_Exception;
726 end Get_Character_Attribute;
728 function Get_Character_Attribute (Win : Window := Standard_Window)
731 function Wattrget (Win : Window;
732 Atr : access C_AttrType;
733 Col : access C_Short;
734 Opt : System.Address) return C_Int;
735 pragma Import (C, Wattrget, "wattr_get");
737 Attr : aliased C_AttrType;
738 Col : aliased C_Short;
739 Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access,
740 System.Null_Address);
741 Ch : Attributed_Character;
743 if Res = Curses_Ok then
744 Ch := AttrType_To_AttrChar (Attr);
747 raise Curses_Exception;
749 end Get_Character_Attribute;
751 procedure Set_Color (Win : in Window := Standard_Window;
752 Pair : in Color_Pair)
754 function Wset_Color (Win : Window;
756 Opts : C_Void_Ptr) return C_Int;
757 pragma Import (C, Wset_Color, "wcolor_set");
761 C_Void_Ptr (System.Null_Address)) = Curses_Err then
762 raise Curses_Exception;
766 procedure Change_Attributes
767 (Win : in Window := Standard_Window;
768 Count : in Integer := -1;
769 Attr : in Character_Attribute_Set := Normal_Video;
770 Color : in Color_Pair := Color_Pair'First)
772 function Wchgat (Win : Window;
776 Opts : System.Address := System.Null_Address)
778 pragma Import (C, Wchgat, "wchgat");
780 Ch : constant Attributed_Character :=
781 (Ch => Character'First, Color => Color_Pair'First, Attr => Attr);
783 if Wchgat (Win, C_Int (Count), AttrChar_To_AttrType (Ch),
784 C_Short (Color)) = Curses_Err then
785 raise Curses_Exception;
787 end Change_Attributes;
789 procedure Change_Attributes
790 (Win : in Window := Standard_Window;
791 Line : in Line_Position := Line_Position'First;
792 Column : in Column_Position := Column_Position'First;
793 Count : in Integer := -1;
794 Attr : in Character_Attribute_Set := Normal_Video;
795 Color : in Color_Pair := Color_Pair'First)
798 Move_Cursor (Win, Line, Column);
799 Change_Attributes (Win, Count, Attr, Color);
800 end Change_Attributes;
801 ------------------------------------------------------------------------------
804 function Beeper return C_Int;
805 pragma Import (C, Beeper, "beep");
807 if Beeper = Curses_Err then
808 raise Curses_Exception;
812 procedure Flash_Screen
814 function Flash return C_Int;
815 pragma Import (C, Flash, "flash");
817 if Flash = Curses_Err then
818 raise Curses_Exception;
821 ------------------------------------------------------------------------------
822 procedure Set_Cbreak_Mode (SwitchOn : in Boolean := True)
824 function Cbreak return C_Int;
825 pragma Import (C, Cbreak, "cbreak");
826 function NoCbreak return C_Int;
827 pragma Import (C, NoCbreak, "nocbreak");
836 if Err = Curses_Err then
837 raise Curses_Exception;
841 procedure Set_Raw_Mode (SwitchOn : in Boolean := True)
843 function Raw return C_Int;
844 pragma Import (C, Raw, "raw");
845 function NoRaw return C_Int;
846 pragma Import (C, NoRaw, "noraw");
855 if Err = Curses_Err then
856 raise Curses_Exception;
860 procedure Set_Echo_Mode (SwitchOn : in Boolean := True)
862 function Echo return C_Int;
863 pragma Import (C, Echo, "echo");
864 function NoEcho return C_Int;
865 pragma Import (C, NoEcho, "noecho");
874 if Err = Curses_Err then
875 raise Curses_Exception;
879 procedure Set_Meta_Mode (Win : in Window := Standard_Window;
880 SwitchOn : in Boolean := True)
882 function Meta (W : Window; Mode : Curses_Bool) return C_Int;
883 pragma Import (C, Meta, "meta");
885 if Meta (Win, Curses_Bool (Boolean'Pos (SwitchOn))) = Curses_Err then
886 raise Curses_Exception;
890 procedure Set_KeyPad_Mode (Win : in Window := Standard_Window;
891 SwitchOn : in Boolean := True)
893 function Keypad (W : Window; Mode : Curses_Bool) return C_Int;
894 pragma Import (C, Keypad, "keypad");
896 if Keypad (Win, Curses_Bool (Boolean'Pos (SwitchOn))) = Curses_Err then
897 raise Curses_Exception;
901 function Get_KeyPad_Mode (Win : in Window := Standard_Window)
905 return Get_Flag (Win, Offset_use_keypad);
908 procedure Half_Delay (Amount : in Half_Delay_Amount)
910 function Halfdelay (Amount : C_Int) return C_Int;
911 pragma Import (C, Halfdelay, "halfdelay");
913 if Halfdelay (C_Int (Amount)) = Curses_Err then
914 raise Curses_Exception;
918 procedure Set_Flush_On_Interrupt_Mode
919 (Win : in Window := Standard_Window;
920 Mode : in Boolean := True)
922 function Intrflush (Win : Window; Mode : Curses_Bool) return C_Int;
923 pragma Import (C, Intrflush, "intrflush");
925 if Intrflush (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
926 raise Curses_Exception;
928 end Set_Flush_On_Interrupt_Mode;
930 procedure Set_Queue_Interrupt_Mode
931 (Win : in Window := Standard_Window;
932 Flush : in Boolean := True)
935 pragma Import (C, Qiflush, "qiflush");
936 procedure No_Qiflush;
937 pragma Import (C, No_Qiflush, "noqiflush");
944 end Set_Queue_Interrupt_Mode;
946 procedure Set_NoDelay_Mode
947 (Win : in Window := Standard_Window;
948 Mode : in Boolean := False)
950 function Nodelay (Win : Window; Mode : Curses_Bool) return C_Int;
951 pragma Import (C, Nodelay, "nodelay");
953 if Nodelay (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
954 raise Curses_Exception;
956 end Set_NoDelay_Mode;
958 procedure Set_Timeout_Mode (Win : in Window := Standard_Window;
959 Mode : in Timeout_Mode;
962 function Wtimeout (Win : Window; Amount : C_Int) return C_Int;
963 pragma Import (C, Wtimeout, "wtimeout");
968 when Blocking => Time := -1;
969 when Non_Blocking => Time := 0;
972 raise Constraint_Error;
974 Time := C_Int (Amount);
976 if Wtimeout (Win, Time) = Curses_Err then
977 raise Curses_Exception;
979 end Set_Timeout_Mode;
981 procedure Set_Escape_Timer_Mode
982 (Win : in Window := Standard_Window;
983 Timer_Off : in Boolean := False)
985 function Notimeout (Win : Window; Mode : Curses_Bool) return C_Int;
986 pragma Import (C, Notimeout, "notimeout");
988 if Notimeout (Win, Curses_Bool (Boolean'Pos (Timer_Off)))
990 raise Curses_Exception;
992 end Set_Escape_Timer_Mode;
994 ------------------------------------------------------------------------------
995 procedure Set_NL_Mode (SwitchOn : in Boolean := True)
997 function NL return C_Int;
998 pragma Import (C, NL, "nl");
999 function NoNL return C_Int;
1000 pragma Import (C, NoNL, "nonl");
1009 if Err = Curses_Err then
1010 raise Curses_Exception;
1014 procedure Clear_On_Next_Update
1015 (Win : in Window := Standard_Window;
1016 Do_Clear : in Boolean := True)
1018 function Clear_Ok (W : Window; Flag : Curses_Bool) return C_Int;
1019 pragma Import (C, Clear_Ok, "clearok");
1021 if Clear_Ok (Win, Curses_Bool (Boolean'Pos (Do_Clear))) = Curses_Err then
1022 raise Curses_Exception;
1024 end Clear_On_Next_Update;
1026 procedure Use_Insert_Delete_Line
1027 (Win : in Window := Standard_Window;
1028 Do_Idl : in Boolean := True)
1030 function IDL_Ok (W : Window; Flag : Curses_Bool) return C_Int;
1031 pragma Import (C, IDL_Ok, "idlok");
1033 if IDL_Ok (Win, Curses_Bool (Boolean'Pos (Do_Idl))) = Curses_Err then
1034 raise Curses_Exception;
1036 end Use_Insert_Delete_Line;
1038 procedure Use_Insert_Delete_Character
1039 (Win : in Window := Standard_Window;
1040 Do_Idc : in Boolean := True)
1042 function IDC_Ok (W : Window; Flag : Curses_Bool) return C_Int;
1043 pragma Import (C, IDC_Ok, "idcok");
1045 if IDC_Ok (Win, Curses_Bool (Boolean'Pos (Do_Idc))) = Curses_Err then
1046 raise Curses_Exception;
1048 end Use_Insert_Delete_Character;
1050 procedure Leave_Cursor_After_Update
1051 (Win : in Window := Standard_Window;
1052 Do_Leave : in Boolean := True)
1054 function Leave_Ok (W : Window; Flag : Curses_Bool) return C_Int;
1055 pragma Import (C, Leave_Ok, "leaveok");
1057 if Leave_Ok (Win, Curses_Bool (Boolean'Pos (Do_Leave))) = Curses_Err then
1058 raise Curses_Exception;
1060 end Leave_Cursor_After_Update;
1062 procedure Immediate_Update_Mode
1063 (Win : in Window := Standard_Window;
1064 Mode : in Boolean := False)
1066 function Immedok (Win : Window; Mode : Curses_Bool) return C_Int;
1067 pragma Import (C, Immedok, "immedok");
1069 if Immedok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
1070 raise Curses_Exception;
1072 end Immediate_Update_Mode;
1074 procedure Allow_Scrolling
1075 (Win : in Window := Standard_Window;
1076 Mode : in Boolean := False)
1078 function Scrollok (Win : Window; Mode : Curses_Bool) return C_Int;
1079 pragma Import (C, Scrollok, "scrollok");
1081 if Scrollok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
1082 raise Curses_Exception;
1084 end Allow_Scrolling;
1086 function Scrolling_Allowed (Win : Window := Standard_Window)
1090 return Get_Flag (Win, Offset_scroll);
1091 end Scrolling_Allowed;
1093 procedure Set_Scroll_Region
1094 (Win : in Window := Standard_Window;
1095 Top_Line : in Line_Position;
1096 Bottom_Line : in Line_Position)
1098 function Wsetscrreg (Win : Window;
1100 Col : C_Int) return C_Int;
1101 pragma Import (C, Wsetscrreg, "wsetscrreg");
1103 if Wsetscrreg (Win, C_Int (Top_Line), C_Int (Bottom_Line))
1105 raise Curses_Exception;
1107 end Set_Scroll_Region;
1108 ------------------------------------------------------------------------------
1109 procedure Update_Screen
1111 function Do_Update return C_Int;
1112 pragma Import (C, Do_Update, "doupdate");
1114 if Do_Update = Curses_Err then
1115 raise Curses_Exception;
1119 procedure Refresh (Win : in Window := Standard_Window)
1121 function Wrefresh (W : Window) return C_Int;
1122 pragma Import (C, Wrefresh, "wrefresh");
1124 if Wrefresh (Win) = Curses_Err then
1125 raise Curses_Exception;
1129 procedure Refresh_Without_Update
1130 (Win : in Window := Standard_Window)
1132 function Wnoutrefresh (W : Window) return C_Int;
1133 pragma Import (C, Wnoutrefresh, "wnoutrefresh");
1135 if Wnoutrefresh (Win) = Curses_Err then
1136 raise Curses_Exception;
1138 end Refresh_Without_Update;
1140 procedure Redraw (Win : in Window := Standard_Window)
1142 function Redrawwin (Win : Window) return C_Int;
1143 pragma Import (C, Redrawwin, "redrawwin");
1145 if Redrawwin (Win) = Curses_Err then
1146 raise Curses_Exception;
1151 (Win : in Window := Standard_Window;
1152 Begin_Line : in Line_Position;
1153 Line_Count : in Positive)
1155 function Wredrawln (Win : Window; First : C_Int; Cnt : C_Int)
1157 pragma Import (C, Wredrawln, "wredrawln");
1161 C_Int (Line_Count)) = Curses_Err then
1162 raise Curses_Exception;
1166 ------------------------------------------------------------------------------
1167 procedure Erase (Win : in Window := Standard_Window)
1169 function Werase (W : Window) return C_Int;
1170 pragma Import (C, Werase, "werase");
1172 if Werase (Win) = Curses_Err then
1173 raise Curses_Exception;
1177 procedure Clear (Win : in Window := Standard_Window)
1179 function Wclear (W : Window) return C_Int;
1180 pragma Import (C, Wclear, "wclear");
1182 if Wclear (Win) = Curses_Err then
1183 raise Curses_Exception;
1187 procedure Clear_To_End_Of_Screen (Win : in Window := Standard_Window)
1189 function Wclearbot (W : Window) return C_Int;
1190 pragma Import (C, Wclearbot, "wclrtobot");
1192 if Wclearbot (Win) = Curses_Err then
1193 raise Curses_Exception;
1195 end Clear_To_End_Of_Screen;
1197 procedure Clear_To_End_Of_Line (Win : in Window := Standard_Window)
1199 function Wcleareol (W : Window) return C_Int;
1200 pragma Import (C, Wcleareol, "wclrtoeol");
1202 if Wcleareol (Win) = Curses_Err then
1203 raise Curses_Exception;
1205 end Clear_To_End_Of_Line;
1206 ------------------------------------------------------------------------------
1207 procedure Set_Background
1208 (Win : in Window := Standard_Window;
1209 Ch : in Attributed_Character)
1211 procedure WBackground (W : in Window; Ch : in C_Chtype);
1212 pragma Import (C, WBackground, "wbkgdset");
1214 WBackground (Win, AttrChar_To_Chtype (Ch));
1217 procedure Change_Background
1218 (Win : in Window := Standard_Window;
1219 Ch : in Attributed_Character)
1221 function WChangeBkgd (W : Window; Ch : C_Chtype) return C_Int;
1222 pragma Import (C, WChangeBkgd, "wbkgd");
1224 if WChangeBkgd (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then
1225 raise Curses_Exception;
1227 end Change_Background;
1229 function Get_Background (Win : Window := Standard_Window)
1230 return Attributed_Character
1232 function Wgetbkgd (Win : Window) return C_Chtype;
1233 pragma Import (C, Wgetbkgd, "getbkgd");
1235 return Chtype_To_AttrChar (Wgetbkgd (Win));
1237 ------------------------------------------------------------------------------
1238 procedure Change_Lines_Status (Win : in Window := Standard_Window;
1239 Start : in Line_Position;
1240 Count : in Positive;
1243 function Wtouchln (Win : Window;
1246 Chg : C_Int) return C_Int;
1247 pragma Import (C, Wtouchln, "wtouchln");
1249 if Wtouchln (Win, C_Int (Start), C_Int (Count),
1250 C_Int (Boolean'Pos (State))) = Curses_Err then
1251 raise Curses_Exception;
1253 end Change_Lines_Status;
1255 procedure Touch (Win : in Window := Standard_Window)
1258 X : Column_Position;
1260 Get_Size (Win, Y, X);
1261 Change_Lines_Status (Win, 0, Positive (Y), True);
1264 procedure Untouch (Win : in Window := Standard_Window)
1267 X : Column_Position;
1269 Get_Size (Win, Y, X);
1270 Change_Lines_Status (Win, 0, Positive (Y), False);
1273 procedure Touch (Win : in Window := Standard_Window;
1274 Start : in Line_Position;
1275 Count : in Positive)
1278 Change_Lines_Status (Win, Start, Count, True);
1282 (Win : Window := Standard_Window;
1283 Line : Line_Position) return Boolean
1285 function WLineTouched (W : Window; L : C_Int) return Curses_Bool;
1286 pragma Import (C, WLineTouched, "is_linetouched");
1288 if WLineTouched (Win, C_Int (Line)) = Curses_Bool_False then
1296 (Win : Window := Standard_Window) return Boolean
1298 function WWinTouched (W : Window) return Curses_Bool;
1299 pragma Import (C, WWinTouched, "is_wintouched");
1301 if WWinTouched (Win) = Curses_Bool_False then
1307 ------------------------------------------------------------------------------
1309 (Source_Window : in Window;
1310 Destination_Window : in Window;
1311 Source_Top_Row : in Line_Position;
1312 Source_Left_Column : in Column_Position;
1313 Destination_Top_Row : in Line_Position;
1314 Destination_Left_Column : in Column_Position;
1315 Destination_Bottom_Row : in Line_Position;
1316 Destination_Right_Column : in Column_Position;
1317 Non_Destructive_Mode : in Boolean := True)
1319 function Copywin (Src : Window;
1327 Ndm : C_Int) return C_Int;
1328 pragma Import (C, Copywin, "copywin");
1330 if Copywin (Source_Window,
1332 C_Int (Source_Top_Row),
1333 C_Int (Source_Left_Column),
1334 C_Int (Destination_Top_Row),
1335 C_Int (Destination_Left_Column),
1336 C_Int (Destination_Bottom_Row),
1337 C_Int (Destination_Right_Column),
1338 Boolean'Pos (Non_Destructive_Mode)
1340 raise Curses_Exception;
1345 (Source_Window : in Window;
1346 Destination_Window : in Window)
1348 function Overwrite (Src : Window; Dst : Window) return C_Int;
1349 pragma Import (C, Overwrite, "overwrite");
1351 if Overwrite (Source_Window, Destination_Window) = Curses_Err then
1352 raise Curses_Exception;
1357 (Source_Window : in Window;
1358 Destination_Window : in Window)
1360 function Overlay (Src : Window; Dst : Window) return C_Int;
1361 pragma Import (C, Overlay, "overlay");
1363 if Overlay (Source_Window, Destination_Window) = Curses_Err then
1364 raise Curses_Exception;
1368 ------------------------------------------------------------------------------
1369 procedure Insert_Delete_Lines
1370 (Win : in Window := Standard_Window;
1371 Lines : in Integer := 1) -- default is to insert one line above
1373 function Winsdelln (W : Window; N : C_Int) return C_Int;
1374 pragma Import (C, Winsdelln, "winsdelln");
1376 if Winsdelln (Win, C_Int (Lines)) = Curses_Err then
1377 raise Curses_Exception;
1379 end Insert_Delete_Lines;
1381 procedure Delete_Line (Win : in Window := Standard_Window)
1384 Insert_Delete_Lines (Win, -1);
1387 procedure Insert_Line (Win : in Window := Standard_Window)
1390 Insert_Delete_Lines (Win, 1);
1392 ------------------------------------------------------------------------------
1396 (Win : in Window := Standard_Window;
1397 Number_Of_Lines : out Line_Count;
1398 Number_Of_Columns : out Column_Count)
1400 -- Please note: in ncurses they are one off.
1401 -- This might be different in other implementations of curses
1402 Y : C_Int := C_Int (W_Get_Short (Win, Offset_maxy)) + C_Int (Offset_XY);
1403 X : C_Int := C_Int (W_Get_Short (Win, Offset_maxx)) + C_Int (Offset_XY);
1405 Number_Of_Lines := Line_Count (Y);
1406 Number_Of_Columns := Column_Count (X);
1409 procedure Get_Window_Position
1410 (Win : in Window := Standard_Window;
1411 Top_Left_Line : out Line_Position;
1412 Top_Left_Column : out Column_Position)
1414 Y : C_Short := W_Get_Short (Win, Offset_begy);
1415 X : C_Short := W_Get_Short (Win, Offset_begx);
1417 Top_Left_Line := Line_Position (Y);
1418 Top_Left_Column := Column_Position (X);
1419 end Get_Window_Position;
1421 procedure Get_Cursor_Position
1422 (Win : in Window := Standard_Window;
1423 Line : out Line_Position;
1424 Column : out Column_Position)
1426 Y : C_Short := W_Get_Short (Win, Offset_cury);
1427 X : C_Short := W_Get_Short (Win, Offset_curx);
1429 Line := Line_Position (Y);
1430 Column := Column_Position (X);
1431 end Get_Cursor_Position;
1433 procedure Get_Origin_Relative_To_Parent
1435 Top_Left_Line : out Line_Position;
1436 Top_Left_Column : out Column_Position;
1437 Is_Not_A_Subwindow : out Boolean)
1439 Y : C_Int := W_Get_Int (Win, Offset_pary);
1440 X : C_Int := W_Get_Int (Win, Offset_parx);
1443 Top_Left_Line := Line_Position'Last;
1444 Top_Left_Column := Column_Position'Last;
1445 Is_Not_A_Subwindow := True;
1447 Top_Left_Line := Line_Position (Y);
1448 Top_Left_Column := Column_Position (X);
1449 Is_Not_A_Subwindow := False;
1451 end Get_Origin_Relative_To_Parent;
1452 ------------------------------------------------------------------------------
1453 function New_Pad (Lines : Line_Count;
1454 Columns : Column_Count) return Window
1456 function Newpad (Lines : C_Int; Columns : C_Int) return Window;
1457 pragma Import (C, Newpad, "newpad");
1461 W := Newpad (C_Int (Lines), C_Int (Columns));
1462 if W = Null_Window then
1463 raise Curses_Exception;
1470 Number_Of_Lines : Line_Count;
1471 Number_Of_Columns : Column_Count;
1472 First_Line_Position : Line_Position;
1473 First_Column_Position : Column_Position) return Window
1477 Number_Of_Lines : C_Int;
1478 Number_Of_Columns : C_Int;
1479 First_Line_Position : C_Int;
1480 First_Column_Position : C_Int) return Window;
1481 pragma Import (C, Subpad, "subpad");
1486 C_Int (Number_Of_Lines),
1487 C_Int (Number_Of_Columns),
1488 C_Int (First_Line_Position),
1489 C_Int (First_Column_Position));
1490 if W = Null_Window then
1491 raise Curses_Exception;
1498 Source_Top_Row : in Line_Position;
1499 Source_Left_Column : in Column_Position;
1500 Destination_Top_Row : in Line_Position;
1501 Destination_Left_Column : in Column_Position;
1502 Destination_Bottom_Row : in Line_Position;
1503 Destination_Right_Column : in Column_Position)
1507 Source_Top_Row : C_Int;
1508 Source_Left_Column : C_Int;
1509 Destination_Top_Row : C_Int;
1510 Destination_Left_Column : C_Int;
1511 Destination_Bottom_Row : C_Int;
1512 Destination_Right_Column : C_Int) return C_Int;
1513 pragma Import (C, Prefresh, "prefresh");
1516 C_Int (Source_Top_Row),
1517 C_Int (Source_Left_Column),
1518 C_Int (Destination_Top_Row),
1519 C_Int (Destination_Left_Column),
1520 C_Int (Destination_Bottom_Row),
1521 C_Int (Destination_Right_Column)) = Curses_Err then
1522 raise Curses_Exception;
1526 procedure Refresh_Without_Update
1528 Source_Top_Row : in Line_Position;
1529 Source_Left_Column : in Column_Position;
1530 Destination_Top_Row : in Line_Position;
1531 Destination_Left_Column : in Column_Position;
1532 Destination_Bottom_Row : in Line_Position;
1533 Destination_Right_Column : in Column_Position)
1535 function Pnoutrefresh
1537 Source_Top_Row : C_Int;
1538 Source_Left_Column : C_Int;
1539 Destination_Top_Row : C_Int;
1540 Destination_Left_Column : C_Int;
1541 Destination_Bottom_Row : C_Int;
1542 Destination_Right_Column : C_Int) return C_Int;
1543 pragma Import (C, Pnoutrefresh, "pnoutrefresh");
1545 if Pnoutrefresh (Pad,
1546 C_Int (Source_Top_Row),
1547 C_Int (Source_Left_Column),
1548 C_Int (Destination_Top_Row),
1549 C_Int (Destination_Left_Column),
1550 C_Int (Destination_Bottom_Row),
1551 C_Int (Destination_Right_Column)) = Curses_Err then
1552 raise Curses_Exception;
1554 end Refresh_Without_Update;
1556 procedure Add_Character_To_Pad_And_Echo_It
1558 Ch : in Attributed_Character)
1560 function Pechochar (Pad : Window; Ch : C_Chtype)
1562 pragma Import (C, Pechochar, "pechochar");
1564 if Pechochar (Pad, AttrChar_To_Chtype (Ch)) = Curses_Err then
1565 raise Curses_Exception;
1567 end Add_Character_To_Pad_And_Echo_It;
1569 procedure Add_Character_To_Pad_And_Echo_It
1574 Add_Character_To_Pad_And_Echo_It
1576 Attributed_Character'(Ch => Ch,
1577 Color => Color_Pair'First,
1578 Attr => Normal_Video));
1579 end Add_Character_To_Pad_And_Echo_It;
1580 ------------------------------------------------------------------------------
1581 procedure Scroll (Win : in Window := Standard_Window;
1582 Amount : in Integer := 1)
1584 function Wscrl (Win : Window; N : C_Int) return C_Int;
1585 pragma Import (C, Wscrl, "wscrl");
1588 if Wscrl (Win, C_Int (Amount)) = Curses_Err then
1589 raise Curses_Exception;
1593 ------------------------------------------------------------------------------
1594 procedure Delete_Character (Win : in Window := Standard_Window)
1596 function Wdelch (Win : Window) return C_Int;
1597 pragma Import (C, Wdelch, "wdelch");
1599 if Wdelch (Win) = Curses_Err then
1600 raise Curses_Exception;
1602 end Delete_Character;
1604 procedure Delete_Character
1605 (Win : in Window := Standard_Window;
1606 Line : in Line_Position;
1607 Column : in Column_Position)
1609 function Mvwdelch (Win : Window;
1611 Col : C_Int) return C_Int;
1612 pragma Import (C, Mvwdelch, "mvwdelch");
1614 if Mvwdelch (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
1615 raise Curses_Exception;
1617 end Delete_Character;
1618 ------------------------------------------------------------------------------
1619 function Peek (Win : Window := Standard_Window)
1620 return Attributed_Character
1622 function Winch (Win : Window) return C_Chtype;
1623 pragma Import (C, Winch, "winch");
1625 return Chtype_To_AttrChar (Winch (Win));
1629 (Win : Window := Standard_Window;
1630 Line : Line_Position;
1631 Column : Column_Position) return Attributed_Character
1633 function Mvwinch (Win : Window;
1635 Col : C_Int) return C_Chtype;
1636 pragma Import (C, Mvwinch, "mvwinch");
1638 return Chtype_To_AttrChar (Mvwinch (Win, C_Int (Line), C_Int (Column)));
1640 ------------------------------------------------------------------------------
1641 procedure Insert (Win : in Window := Standard_Window;
1642 Ch : in Attributed_Character)
1644 function Winsch (Win : Window; Ch : C_Chtype) return C_Int;
1645 pragma Import (C, Winsch, "winsch");
1647 if Winsch (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then
1648 raise Curses_Exception;
1653 (Win : in Window := Standard_Window;
1654 Line : in Line_Position;
1655 Column : in Column_Position;
1656 Ch : in Attributed_Character)
1658 function Mvwinsch (Win : Window;
1661 Ch : C_Chtype) return C_Int;
1662 pragma Import (C, Mvwinsch, "mvwinsch");
1667 AttrChar_To_Chtype (Ch)) = Curses_Err then
1668 raise Curses_Exception;
1671 ------------------------------------------------------------------------------
1672 procedure Insert (Win : in Window := Standard_Window;
1674 Len : in Integer := -1)
1676 function Winsnstr (Win : Window;
1678 Len : Integer := -1) return C_Int;
1679 pragma Import (C, Winsnstr, "winsnstr");
1681 Txt : char_array (0 .. Str'Length);
1684 To_C (Str, Txt, Length);
1685 if Winsnstr (Win, Txt, Len) = Curses_Err then
1686 raise Curses_Exception;
1691 (Win : in Window := Standard_Window;
1692 Line : in Line_Position;
1693 Column : in Column_Position;
1695 Len : in Integer := -1)
1697 function Mvwinsnstr (Win : Window;
1701 Len : C_Int) return C_Int;
1702 pragma Import (C, Mvwinsnstr, "mvwinsnstr");
1704 Txt : char_array (0 .. Str'Length);
1707 To_C (Str, Txt, Length);
1708 if Mvwinsnstr (Win, C_Int (Line), C_Int (Column), Txt, C_Int (Len))
1710 raise Curses_Exception;
1713 ------------------------------------------------------------------------------
1714 procedure Peek (Win : in Window := Standard_Window;
1716 Len : in Integer := -1)
1718 function Winnstr (Win : Window;
1720 Len : C_Int) return C_Int;
1721 pragma Import (C, Winnstr, "winnstr");
1724 Txt : char_array (0 .. Str'Length);
1730 if N > Str'Length then
1731 raise Constraint_Error;
1733 Txt (0) := Interfaces.C.char'First;
1734 if Winnstr (Win, Txt, C_Int (N)) = Curses_Err then
1735 raise Curses_Exception;
1737 To_Ada (Txt, Str, Cnt, True);
1738 if Cnt < Str'Length then
1739 Str ((Str'First + Cnt) .. Str'Last) := (others => ' ');
1744 (Win : in Window := Standard_Window;
1745 Line : in Line_Position;
1746 Column : in Column_Position;
1748 Len : in Integer := -1)
1751 Move_Cursor (Win, Line, Column);
1752 Peek (Win, Str, Len);
1754 ------------------------------------------------------------------------------
1756 (Win : in Window := Standard_Window;
1757 Str : out Attributed_String;
1758 Len : in Integer := -1)
1760 function Winchnstr (Win : Window;
1761 Str : chtype_array; -- out
1762 Len : C_Int) return C_Int;
1763 pragma Import (C, Winchnstr, "winchnstr");
1766 Txt : chtype_array (0 .. Str'Length) := (0 => Default_Character);
1772 if N > Str'Length then
1773 raise Constraint_Error;
1775 if Winchnstr (Win, Txt, C_Int (N)) = Curses_Err then
1776 raise Curses_Exception;
1778 for To in Str'Range loop
1779 exit when Txt (size_t (Cnt)) = Default_Character;
1780 Str (To) := Txt (size_t (Cnt));
1783 if Cnt < Str'Length then
1784 Str ((Str'First + Cnt) .. Str'Last) :=
1785 (others => (Ch => ' ',
1786 Color => Color_Pair'First,
1787 Attr => Normal_Video));
1792 (Win : in Window := Standard_Window;
1793 Line : in Line_Position;
1794 Column : in Column_Position;
1795 Str : out Attributed_String;
1796 Len : in Integer := -1)
1799 Move_Cursor (Win, Line, Column);
1800 Peek (Win, Str, Len);
1802 ------------------------------------------------------------------------------
1803 procedure Get (Win : in Window := Standard_Window;
1805 Len : in Integer := -1)
1807 function Wgetnstr (Win : Window;
1809 Len : C_Int) return C_Int;
1810 pragma Import (C, Wgetnstr, "wgetnstr");
1813 Txt : char_array (0 .. Str'Length);
1819 if N > Str'Length then
1820 raise Constraint_Error;
1822 Txt (0) := Interfaces.C.char'First;
1823 if Wgetnstr (Win, Txt, C_Int (N)) = Curses_Err then
1824 raise Curses_Exception;
1826 To_Ada (Txt, Str, Cnt, True);
1827 if Cnt < Str'Length then
1828 Str ((Str'First + Cnt) .. Str'Last) := (others => ' ');
1833 (Win : in Window := Standard_Window;
1834 Line : in Line_Position;
1835 Column : in Column_Position;
1837 Len : in Integer := -1)
1840 Move_Cursor (Win, Line, Column);
1841 Get (Win, Str, Len);
1843 ------------------------------------------------------------------------------
1844 procedure Init_Soft_Label_Keys
1845 (Format : in Soft_Label_Key_Format := Three_Two_Three)
1847 function Slk_Init (Fmt : C_Int) return C_Int;
1848 pragma Import (C, Slk_Init, "slk_init");
1850 if Slk_Init (Soft_Label_Key_Format'Pos (Format)) = Curses_Err then
1851 raise Curses_Exception;
1853 end Init_Soft_Label_Keys;
1855 procedure Set_Soft_Label_Key (Label : in Label_Number;
1857 Fmt : in Label_Justification := Left)
1859 function Slk_Set (Label : C_Int;
1861 Fmt : C_Int) return C_Int;
1862 pragma Import (C, Slk_Set, "slk_set");
1864 Txt : char_array (0 .. Text'Length);
1867 To_C (Text, Txt, Len);
1868 if Slk_Set (C_Int (Label), Txt,
1869 C_Int (Label_Justification'Pos (Fmt))) = Curses_Err then
1870 raise Curses_Exception;
1872 end Set_Soft_Label_Key;
1874 procedure Refresh_Soft_Label_Keys
1876 function Slk_Refresh return C_Int;
1877 pragma Import (C, Slk_Refresh, "slk_refresh");
1879 if Slk_Refresh = Curses_Err then
1880 raise Curses_Exception;
1882 end Refresh_Soft_Label_Keys;
1884 procedure Refresh_Soft_Label_Keys_Without_Update
1886 function Slk_Noutrefresh return C_Int;
1887 pragma Import (C, Slk_Noutrefresh, "slk_noutrefresh");
1889 if Slk_Noutrefresh = Curses_Err then
1890 raise Curses_Exception;
1892 end Refresh_Soft_Label_Keys_Without_Update;
1894 procedure Get_Soft_Label_Key (Label : in Label_Number;
1897 function Slk_Label (Label : C_Int) return chars_ptr;
1898 pragma Import (C, Slk_Label, "slk_label");
1900 Fill_String (Slk_Label (C_Int (Label)), Text);
1901 end Get_Soft_Label_Key;
1903 function Get_Soft_Label_Key (Label : in Label_Number) return String
1905 function Slk_Label (Label : C_Int) return chars_ptr;
1906 pragma Import (C, Slk_Label, "slk_label");
1908 return Fill_String (Slk_Label (C_Int (Label)));
1909 end Get_Soft_Label_Key;
1911 procedure Clear_Soft_Label_Keys
1913 function Slk_Clear return C_Int;
1914 pragma Import (C, Slk_Clear, "slk_clear");
1916 if Slk_Clear = Curses_Err then
1917 raise Curses_Exception;
1919 end Clear_Soft_Label_Keys;
1921 procedure Restore_Soft_Label_Keys
1923 function Slk_Restore return C_Int;
1924 pragma Import (C, Slk_Restore, "slk_restore");
1926 if Slk_Restore = Curses_Err then
1927 raise Curses_Exception;
1929 end Restore_Soft_Label_Keys;
1931 procedure Touch_Soft_Label_Keys
1933 function Slk_Touch return C_Int;
1934 pragma Import (C, Slk_Touch, "slk_touch");
1936 if Slk_Touch = Curses_Err then
1937 raise Curses_Exception;
1939 end Touch_Soft_Label_Keys;
1941 procedure Switch_Soft_Label_Key_Attributes
1942 (Attr : in Character_Attribute_Set;
1943 On : in Boolean := True)
1945 function Slk_Attron (Ch : C_Chtype) return C_Int;
1946 pragma Import (C, Slk_Attron, "slk_attron");
1947 function Slk_Attroff (Ch : C_Chtype) return C_Int;
1948 pragma Import (C, Slk_Attroff, "slk_attroff");
1951 Ch : constant Attributed_Character := (Ch => Character'First,
1953 Color => Color_Pair'First);
1956 Err := Slk_Attron (AttrChar_To_Chtype (Ch));
1958 Err := Slk_Attroff (AttrChar_To_Chtype (Ch));
1960 if Err = Curses_Err then
1961 raise Curses_Exception;
1963 end Switch_Soft_Label_Key_Attributes;
1965 procedure Set_Soft_Label_Key_Attributes
1966 (Attr : in Character_Attribute_Set := Normal_Video;
1967 Color : in Color_Pair := Color_Pair'First)
1969 function Slk_Attrset (Ch : C_Chtype) return C_Int;
1970 pragma Import (C, Slk_Attrset, "slk_attrset");
1972 Ch : constant Attributed_Character := (Ch => Character'First,
1976 if Slk_Attrset (AttrChar_To_Chtype (Ch)) = Curses_Err then
1977 raise Curses_Exception;
1979 end Set_Soft_Label_Key_Attributes;
1981 function Get_Soft_Label_Key_Attributes return Character_Attribute_Set
1983 function Slk_Attr return C_Chtype;
1984 pragma Import (C, Slk_Attr, "slk_attr");
1986 Attr : constant C_Chtype := Slk_Attr;
1988 return Chtype_To_AttrChar (Attr).Attr;
1989 end Get_Soft_Label_Key_Attributes;
1991 function Get_Soft_Label_Key_Attributes return Color_Pair
1993 function Slk_Attr return C_Chtype;
1994 pragma Import (C, Slk_Attr, "slk_attr");
1996 Attr : constant C_Chtype := Slk_Attr;
1998 return Chtype_To_AttrChar (Attr).Color;
1999 end Get_Soft_Label_Key_Attributes;
2001 procedure Set_Soft_Label_Key_Color (Pair : in Color_Pair)
2003 function Slk_Color (Color : in C_Short) return C_Int;
2004 pragma Import (C, Slk_Color, "slk_color");
2006 if Slk_Color (C_Short (Pair)) = Curses_Err then
2007 raise Curses_Exception;
2009 end Set_Soft_Label_Key_Color;
2011 ------------------------------------------------------------------------------
2012 procedure Enable_Key (Key : in Special_Key_Code;
2013 Enable : in Boolean := True)
2015 function Keyok (Keycode : C_Int;
2016 On_Off : Curses_Bool) return C_Int;
2017 pragma Import (C, Keyok, "keyok");
2019 if Keyok (C_Int (Key), Curses_Bool (Boolean'Pos (Enable)))
2021 raise Curses_Exception;
2024 ------------------------------------------------------------------------------
2025 procedure Define_Key (Definition : in String;
2026 Key : in Special_Key_Code)
2028 function Defkey (Def : char_array;
2029 Key : C_Int) return C_Int;
2030 pragma Import (C, Defkey, "define_key");
2032 Txt : char_array (0 .. Definition'Length);
2035 To_C (Definition, Txt, Length);
2036 if Defkey (Txt, C_Int (Key)) = Curses_Err then
2037 raise Curses_Exception;
2040 ------------------------------------------------------------------------------
2041 procedure Un_Control (Ch : in Attributed_Character;
2044 function Unctrl (Ch : C_Chtype) return chars_ptr;
2045 pragma Import (C, Unctrl, "unctrl");
2047 Fill_String (Unctrl (AttrChar_To_Chtype (Ch)), Str);
2050 function Un_Control (Ch : in Attributed_Character) return String
2052 function Unctrl (Ch : C_Chtype) return chars_ptr;
2053 pragma Import (C, Unctrl, "unctrl");
2055 return Fill_String (Unctrl (AttrChar_To_Chtype (Ch)));
2058 procedure Delay_Output (Msecs : in Natural)
2060 function Delayoutput (Msecs : C_Int) return C_Int;
2061 pragma Import (C, Delayoutput, "delay_output");
2063 if Delayoutput (C_Int (Msecs)) = Curses_Err then
2064 raise Curses_Exception;
2068 procedure Flush_Input
2070 function Flushinp return C_Int;
2071 pragma Import (C, Flushinp, "flushinp");
2073 if Flushinp = Curses_Err then -- docu says that never happens, but...
2074 raise Curses_Exception;
2077 ------------------------------------------------------------------------------
2078 function Baudrate return Natural
2080 function Baud return C_Int;
2081 pragma Import (C, Baud, "baudrate");
2083 return Natural (Baud);
2086 function Erase_Character return Character
2088 function Erasechar return C_Int;
2089 pragma Import (C, Erasechar, "erasechar");
2091 return Character'Val (Erasechar);
2092 end Erase_Character;
2094 function Kill_Character return Character
2096 function Killchar return C_Int;
2097 pragma Import (C, Killchar, "killchar");
2099 return Character'Val (Killchar);
2102 function Has_Insert_Character return Boolean
2104 function Has_Ic return Curses_Bool;
2105 pragma Import (C, Has_Ic, "has_ic");
2107 if Has_Ic = Curses_Bool_False then
2112 end Has_Insert_Character;
2114 function Has_Insert_Line return Boolean
2116 function Has_Il return Curses_Bool;
2117 pragma Import (C, Has_Il, "has_il");
2119 if Has_Il = Curses_Bool_False then
2124 end Has_Insert_Line;
2126 function Supported_Attributes return Character_Attribute_Set
2128 function Termattrs return C_Chtype;
2129 pragma Import (C, Termattrs, "termattrs");
2131 Ch : constant Attributed_Character := Chtype_To_AttrChar (Termattrs);
2134 end Supported_Attributes;
2136 procedure Long_Name (Name : out String)
2138 function Longname return chars_ptr;
2139 pragma Import (C, Longname, "longname");
2141 Fill_String (Longname, Name);
2144 function Long_Name return String
2146 function Longname return chars_ptr;
2147 pragma Import (C, Longname, "longname");
2149 return Fill_String (Longname);
2152 procedure Terminal_Name (Name : out String)
2154 function Termname return chars_ptr;
2155 pragma Import (C, Termname, "termname");
2157 Fill_String (Termname, Name);
2160 function Terminal_Name return String
2162 function Termname return chars_ptr;
2163 pragma Import (C, Termname, "termname");
2165 return Fill_String (Termname);
2167 ------------------------------------------------------------------------------
2168 procedure Init_Pair (Pair : in Redefinable_Color_Pair;
2169 Fore : in Color_Number;
2170 Back : in Color_Number)
2172 function Initpair (Pair : C_Short;
2174 Back : C_Short) return C_Int;
2175 pragma Import (C, Initpair, "init_pair");
2177 if Integer (Pair) >= Number_Of_Color_Pairs then
2178 raise Constraint_Error;
2180 if Integer (Fore) >= Number_Of_Colors or else
2181 Integer (Back) >= Number_Of_Colors then raise Constraint_Error;
2183 if Initpair (C_Short (Pair), C_Short (Fore), C_Short (Back))
2185 raise Curses_Exception;
2189 procedure Pair_Content (Pair : in Color_Pair;
2190 Fore : out Color_Number;
2191 Back : out Color_Number)
2193 type C_Short_Access is access all C_Short;
2194 function Paircontent (Pair : C_Short;
2195 Fp : C_Short_Access;
2196 Bp : C_Short_Access) return C_Int;
2197 pragma Import (C, Paircontent, "pair_content");
2199 F, B : aliased C_Short;
2201 if Paircontent (C_Short (Pair), F'Access, B'Access) = Curses_Err then
2202 raise Curses_Exception;
2204 Fore := Color_Number (F);
2205 Back := Color_Number (B);
2209 function Has_Colors return Boolean
2211 function Hascolors return Curses_Bool;
2212 pragma Import (C, Hascolors, "has_colors");
2214 if Hascolors = Curses_Bool_False then
2221 procedure Init_Color (Color : in Color_Number;
2223 Green : in RGB_Value;
2224 Blue : in RGB_Value)
2226 function Initcolor (Col : C_Short;
2229 Blue : C_Short) return C_Int;
2230 pragma Import (C, Initcolor, "init_color");
2232 if Initcolor (C_Short (Color), C_Short (Red), C_Short (Green),
2233 C_Short (Blue)) = Curses_Err then
2234 raise Curses_Exception;
2238 function Can_Change_Color return Boolean
2240 function Canchangecolor return Curses_Bool;
2241 pragma Import (C, Canchangecolor, "can_change_color");
2243 if Canchangecolor = Curses_Bool_False then
2248 end Can_Change_Color;
2250 procedure Color_Content (Color : in Color_Number;
2251 Red : out RGB_Value;
2252 Green : out RGB_Value;
2253 Blue : out RGB_Value)
2255 type C_Short_Access is access all C_Short;
2257 function Colorcontent (Color : C_Short; R, G, B : C_Short_Access)
2259 pragma Import (C, Colorcontent, "color_content");
2261 R, G, B : aliased C_Short;
2263 if Colorcontent (C_Short (Color), R'Access, G'Access, B'Access) =
2265 raise Curses_Exception;
2267 Red := RGB_Value (R);
2268 Green := RGB_Value (G);
2269 Blue := RGB_Value (B);
2273 ------------------------------------------------------------------------------
2274 procedure Save_Curses_Mode (Mode : in Curses_Mode)
2276 function Def_Prog_Mode return C_Int;
2277 pragma Import (C, Def_Prog_Mode, "def_prog_mode");
2278 function Def_Shell_Mode return C_Int;
2279 pragma Import (C, Def_Shell_Mode, "def_shell_mode");
2284 when Curses => Err := Def_Prog_Mode;
2285 when Shell => Err := Def_Shell_Mode;
2287 if Err = Curses_Err then
2288 raise Curses_Exception;
2290 end Save_Curses_Mode;
2292 procedure Reset_Curses_Mode (Mode : in Curses_Mode)
2294 function Reset_Prog_Mode return C_Int;
2295 pragma Import (C, Reset_Prog_Mode, "reset_prog_mode");
2296 function Reset_Shell_Mode return C_Int;
2297 pragma Import (C, Reset_Shell_Mode, "reset_shell_mode");
2302 when Curses => Err := Reset_Prog_Mode;
2303 when Shell => Err := Reset_Shell_Mode;
2305 if Err = Curses_Err then
2306 raise Curses_Exception;
2308 end Reset_Curses_Mode;
2310 procedure Save_Terminal_State
2312 function Savetty return C_Int;
2313 pragma Import (C, Savetty, "savetty");
2315 if Savetty = Curses_Err then
2316 raise Curses_Exception;
2318 end Save_Terminal_State;
2320 procedure Reset_Terminal_State
2322 function Resetty return C_Int;
2323 pragma Import (C, Resetty, "resetty");
2325 if Resetty = Curses_Err then
2326 raise Curses_Exception;
2328 end Reset_Terminal_State;
2330 procedure Rip_Off_Lines (Lines : in Integer;
2331 Proc : in Stdscr_Init_Proc)
2333 function Ripoffline (Lines : C_Int;
2334 Proc : Stdscr_Init_Proc) return C_Int;
2335 pragma Import (C, Ripoffline, "_nc_ripoffline");
2337 if Ripoffline (C_Int (Lines), Proc) = Curses_Err then
2338 raise Curses_Exception;
2342 procedure Set_Cursor_Visibility (Visibility : in out Cursor_Visibility)
2344 function Curs_Set (Curs : C_Int) return C_Int;
2345 pragma Import (C, Curs_Set, "curs_set");
2349 Res := Curs_Set (Cursor_Visibility'Pos (Visibility));
2350 if Res /= Curses_Err then
2351 Visibility := Cursor_Visibility'Val (Res);
2353 end Set_Cursor_Visibility;
2355 procedure Nap_Milli_Seconds (Ms : in Natural)
2357 function Napms (Ms : C_Int) return C_Int;
2358 pragma Import (C, Napms, "napms");
2360 if Napms (C_Int (Ms)) = Curses_Err then
2361 raise Curses_Exception;
2363 end Nap_Milli_Seconds;
2364 ------------------------------------------------------------------------------
2366 function Standard_Window return Window
2369 pragma Import (C, Stdscr, "stdscr");
2372 end Standard_Window;
2374 function Lines return Line_Count
2377 pragma Import (C, C_Lines, "LINES");
2379 return Line_Count (C_Lines);
2382 function Columns return Column_Count
2385 pragma Import (C, C_Columns, "COLS");
2387 return Column_Count (C_Columns);
2390 function Tab_Size return Natural
2393 pragma Import (C, C_Tab_Size, "TABSIZE");
2395 return Natural (C_Tab_Size);
2398 function Number_Of_Colors return Natural
2400 C_Number_Of_Colors : C_Int;
2401 pragma Import (C, C_Number_Of_Colors, "COLORS");
2403 return Natural (C_Number_Of_Colors);
2404 end Number_Of_Colors;
2406 function Number_Of_Color_Pairs return Natural
2408 C_Number_Of_Color_Pairs : C_Int;
2409 pragma Import (C, C_Number_Of_Color_Pairs, "COLOR_PAIRS");
2411 return Natural (C_Number_Of_Color_Pairs);
2412 end Number_Of_Color_Pairs;
2413 ------------------------------------------------------------------------------
2414 procedure Transform_Coordinates
2415 (W : in Window := Standard_Window;
2416 Line : in out Line_Position;
2417 Column : in out Column_Position;
2418 Dir : in Transform_Direction := From_Screen)
2420 type Int_Access is access all C_Int;
2421 function Transform (W : Window;
2423 Dir : Curses_Bool) return C_Int;
2424 pragma Import (C, Transform, "wmouse_trafo");
2426 X : aliased C_Int := C_Int (Column);
2427 Y : aliased C_Int := C_Int (Line);
2428 D : Curses_Bool := Curses_Bool_False;
2431 if Dir = To_Screen then
2434 R := Transform (W, Y'Access, X'Access, D);
2435 if R = Curses_False then
2436 raise Curses_Exception;
2438 Line := Line_Position (Y);
2439 Column := Column_Position (X);
2441 end Transform_Coordinates;
2442 ------------------------------------------------------------------------------
2443 procedure Use_Default_Colors is
2444 function C_Use_Default_Colors return C_Int;
2445 pragma Import (C, C_Use_Default_Colors, "use_default_colors");
2446 Err : constant C_Int := C_Use_Default_Colors;
2448 if Err = Curses_Err then
2449 raise Curses_Exception;
2451 end Use_Default_Colors;
2453 procedure Assume_Default_Colors (Fore : Color_Number := Default_Color;
2454 Back : Color_Number := Default_Color)
2456 function C_Assume_Default_Colors (Fore : C_Int;
2457 Back : C_Int) return C_Int;
2458 pragma Import (C, C_Assume_Default_Colors, "assume_default_colors");
2460 Err : constant C_Int := C_Assume_Default_Colors (C_Int (Fore),
2463 if Err = Curses_Err then
2464 raise Curses_Exception;
2466 end Assume_Default_Colors;
2467 ------------------------------------------------------------------------------
2468 function Curses_Version return String
2470 function curses_versionC return chars_ptr;
2471 pragma Import (C, curses_versionC, "curses_version");
2472 Result : constant chars_ptr := curses_versionC;
2474 return Fill_String (Result);
2476 ------------------------------------------------------------------------------
2477 function Use_Extended_Names (Enable : Boolean) return Boolean
2479 function use_extended_namesC (e : Curses_Bool) return C_Int;
2480 pragma Import (C, use_extended_namesC, "use_extended_names");
2482 Res : constant C_Int :=
2483 use_extended_namesC (Curses_Bool (Boolean'Pos (Enable)));
2485 if Res = C_Int (Curses_Bool_False) then
2490 end Use_Extended_Names;
2491 ------------------------------------------------------------------------------
2492 procedure Screen_Dump_To_File (Filename : in String)
2494 function scr_dump (f : char_array) return C_Int;
2495 pragma Import (C, scr_dump, "scr_dump");
2496 Txt : char_array (0 .. Filename'Length);
2499 To_C (Filename, Txt, Length);
2500 if Curses_Err = scr_dump (Txt) then
2501 raise Curses_Exception;
2503 end Screen_Dump_To_File;
2505 procedure Screen_Restore_From_File (Filename : in String)
2507 function scr_restore (f : char_array) return C_Int;
2508 pragma Import (C, scr_restore, "scr_restore");
2509 Txt : char_array (0 .. Filename'Length);
2512 To_C (Filename, Txt, Length);
2513 if Curses_Err = scr_restore (Txt) then
2514 raise Curses_Exception;
2516 end Screen_Restore_From_File;
2518 procedure Screen_Init_From_File (Filename : in String)
2520 function scr_init (f : char_array) return C_Int;
2521 pragma Import (C, scr_init, "scr_init");
2522 Txt : char_array (0 .. Filename'Length);
2525 To_C (Filename, Txt, Length);
2526 if Curses_Err = scr_init (Txt) then
2527 raise Curses_Exception;
2529 end Screen_Init_From_File;
2531 procedure Screen_Set_File (Filename : in String)
2533 function scr_set (f : char_array) return C_Int;
2534 pragma Import (C, scr_set, "scr_set");
2535 Txt : char_array (0 .. Filename'Length);
2538 To_C (Filename, Txt, Length);
2539 if Curses_Err = scr_set (Txt) then
2540 raise Curses_Exception;
2542 end Screen_Set_File;
2543 ------------------------------------------------------------------------------
2544 procedure Resize (Win : Window := Standard_Window;
2545 Number_Of_Lines : Line_Count;
2546 Number_Of_Columns : Column_Count) is
2547 function wresize (win : Window;
2549 columns : C_Int) return C_Int;
2550 pragma Import (C, wresize);
2553 C_Int (Number_Of_Lines),
2554 C_Int (Number_Of_Columns)) = Curses_Err then
2555 raise Curses_Exception;
2558 ------------------------------------------------------------------------------
2560 end Terminal_Interface.Curses;