diff options
Diffstat (limited to 'ncurses-5.3/Ada95/src/terminal_interface-curses.adb')
| -rw-r--r-- | ncurses-5.3/Ada95/src/terminal_interface-curses.adb | 2561 |
1 files changed, 2561 insertions, 0 deletions
diff --git a/ncurses-5.3/Ada95/src/terminal_interface-curses.adb b/ncurses-5.3/Ada95/src/terminal_interface-curses.adb new file mode 100644 index 0000000..359cced --- /dev/null +++ b/ncurses-5.3/Ada95/src/terminal_interface-curses.adb @@ -0,0 +1,2561 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT ncurses Binding -- +-- -- +-- Terminal_Interface.Curses -- +-- -- +-- B O D Y -- +-- -- +------------------------------------------------------------------------------ +-- Copyright (c) 1998 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: Juergen Pfeifer, 1996 +-- Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en +-- Version Control: +-- $Revision$ +-- Binding Version 01.00 +------------------------------------------------------------------------------ +with System; + +with Terminal_Interface.Curses.Aux; +with Interfaces.C; use Interfaces.C; +with Interfaces.C.Strings; use Interfaces.C.Strings; +with Interfaces.C.Pointers; +with Ada.Characters.Handling; use Ada.Characters.Handling; +with Ada.Strings.Fixed; +with Ada.Unchecked_Conversion; + +package body Terminal_Interface.Curses is + + use Aux; + use type System.Bit_Order; + + package ASF renames Ada.Strings.Fixed; + + type chtype_array is array (size_t range <>) + of aliased Attributed_Character; + pragma Convention (C, chtype_array); + +------------------------------------------------------------------------------ + generic + type Element is (<>); + function W_Get_Element (Win : in Window; + Offset : in Natural) return Element; + + function W_Get_Element (Win : in Window; + Offset : in Natural) return Element is + type E_Array is array (Natural range <>) of aliased Element; + package C_E_Array is new + Interfaces.C.Pointers (Natural, Element, E_Array, Element'Val (0)); + use C_E_Array; + + function To_Pointer is new + Ada.Unchecked_Conversion (Window, Pointer); + + P : Pointer := To_Pointer (Win); + begin + if Win = Null_Window then + raise Curses_Exception; + else + P := P + ptrdiff_t (Offset); + return P.all; + end if; + end W_Get_Element; + + function W_Get_Int is new W_Get_Element (C_Int); + function W_Get_Short is new W_Get_Element (C_Short); + function W_Get_Byte is new W_Get_Element (Interfaces.C.unsigned_char); + + function Get_Flag (Win : Window; + Offset : Natural) return Boolean; + + function Get_Flag (Win : Window; + Offset : Natural) return Boolean + is + Res : C_Int; + begin + case Sizeof_bool is + when 1 => Res := C_Int (W_Get_Byte (Win, Offset)); + when 2 => Res := C_Int (W_Get_Short (Win, Offset)); + when 4 => Res := C_Int (W_Get_Int (Win, Offset)); + when others => raise Curses_Exception; + end case; + + case Res is + when 0 => return False; + when others => return True; + end case; + end Get_Flag; + +------------------------------------------------------------------------------ + function Key_Name (Key : in Real_Key_Code) return String + is + function Keyname (K : C_Int) return chars_ptr; + pragma Import (C, Keyname, "keyname"); + + Ch : Character; + begin + if Key <= Character'Pos (Character'Last) then + Ch := Character'Val (Key); + if Is_Control (Ch) then + return Un_Control (Attributed_Character'(Ch => Ch, + Color => Color_Pair'First, + Attr => Normal_Video)); + elsif Is_Graphic (Ch) then + declare + S : String (1 .. 1); + begin + S (1) := Ch; + return S; + end; + else + return ""; + end if; + else + return Fill_String (Keyname (C_Int (Key))); + end if; + end Key_Name; + + procedure Key_Name (Key : in Real_Key_Code; + Name : out String) + is + begin + ASF.Move (Key_Name (Key), Name); + end Key_Name; + +------------------------------------------------------------------------------ + procedure Init_Screen + is + function Initscr return Window; + pragma Import (C, Initscr, "initscr"); + + W : Window; + begin + W := Initscr; + if W = Null_Window then + raise Curses_Exception; + end if; + end Init_Screen; + + procedure End_Windows + is + function Endwin return C_Int; + pragma Import (C, Endwin, "endwin"); + begin + if Endwin = Curses_Err then + raise Curses_Exception; + end if; + end End_Windows; + + function Is_End_Window return Boolean + is + function Isendwin return Curses_Bool; + pragma Import (C, Isendwin, "isendwin"); + begin + if Isendwin = Curses_Bool_False then + return False; + else + return True; + end if; + end Is_End_Window; +------------------------------------------------------------------------------ + procedure Move_Cursor (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position) + is + function Wmove (Win : Window; + Line : C_Int; + Column : C_Int + ) return C_Int; + pragma Import (C, Wmove, "wmove"); + begin + if Wmove (Win, C_Int (Line), C_Int (Column)) = Curses_Err then + raise Curses_Exception; + end if; + end Move_Cursor; +------------------------------------------------------------------------------ + procedure Add (Win : in Window := Standard_Window; + Ch : in Attributed_Character) + is + function Waddch (W : Window; + Ch : C_Chtype) return C_Int; + pragma Import (C, Waddch, "waddch"); + begin + if Waddch (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Add; + + procedure Add (Win : in Window := Standard_Window; + Ch : in Character) + is + begin + Add (Win, + Attributed_Character'(Ch => Ch, + Color => Color_Pair'First, + Attr => Normal_Video)); + end Add; + + procedure Add + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Ch : in Attributed_Character) + is + function mvwaddch (W : Window; + Y : C_Int; + X : C_Int; + Ch : C_Chtype) return C_Int; + pragma Import (C, mvwaddch, "mvwaddch"); + begin + if mvwaddch (Win, C_Int (Line), + C_Int (Column), + AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Add; + + procedure Add + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Ch : in Character) + is + begin + Add (Win, + Line, + Column, + Attributed_Character'(Ch => Ch, + Color => Color_Pair'First, + Attr => Normal_Video)); + end Add; + + procedure Add_With_Immediate_Echo + (Win : in Window := Standard_Window; + Ch : in Attributed_Character) + is + function Wechochar (W : Window; + Ch : C_Chtype) return C_Int; + pragma Import (C, Wechochar, "wechochar"); + begin + if Wechochar (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Add_With_Immediate_Echo; + + procedure Add_With_Immediate_Echo + (Win : in Window := Standard_Window; + Ch : in Character) + is + begin + Add_With_Immediate_Echo + (Win, + Attributed_Character'(Ch => Ch, + Color => Color_Pair'First, + Attr => Normal_Video)); + end Add_With_Immediate_Echo; +------------------------------------------------------------------------------ + function Create (Number_Of_Lines : Line_Count; + Number_Of_Columns : Column_Count; + First_Line_Position : Line_Position; + First_Column_Position : Column_Position) return Window + is + function Newwin (Number_Of_Lines : C_Int; + Number_Of_Columns : C_Int; + First_Line_Position : C_Int; + First_Column_Position : C_Int) return Window; + pragma Import (C, Newwin, "newwin"); + + W : Window; + begin + W := Newwin (C_Int (Number_Of_Lines), + C_Int (Number_Of_Columns), + C_Int (First_Line_Position), + C_Int (First_Column_Position)); + if W = Null_Window then + raise Curses_Exception; + end if; + return W; + end Create; + + procedure Delete (Win : in out Window) + is + function Wdelwin (W : Window) return C_Int; + pragma Import (C, Wdelwin, "delwin"); + begin + if Wdelwin (Win) = Curses_Err then + raise Curses_Exception; + end if; + Win := Null_Window; + end Delete; + + function Sub_Window + (Win : Window := Standard_Window; + Number_Of_Lines : Line_Count; + Number_Of_Columns : Column_Count; + First_Line_Position : Line_Position; + First_Column_Position : Column_Position) return Window + is + function Subwin + (Win : Window; + Number_Of_Lines : C_Int; + Number_Of_Columns : C_Int; + First_Line_Position : C_Int; + First_Column_Position : C_Int) return Window; + pragma Import (C, Subwin, "subwin"); + + W : Window; + begin + W := Subwin (Win, + C_Int (Number_Of_Lines), + C_Int (Number_Of_Columns), + C_Int (First_Line_Position), + C_Int (First_Column_Position)); + if W = Null_Window then + raise Curses_Exception; + end if; + return W; + end Sub_Window; + + function Derived_Window + (Win : Window := Standard_Window; + Number_Of_Lines : Line_Count; + Number_Of_Columns : Column_Count; + First_Line_Position : Line_Position; + First_Column_Position : Column_Position) return Window + is + function Derwin + (Win : Window; + Number_Of_Lines : C_Int; + Number_Of_Columns : C_Int; + First_Line_Position : C_Int; + First_Column_Position : C_Int) return Window; + pragma Import (C, Derwin, "derwin"); + + W : Window; + begin + W := Derwin (Win, + C_Int (Number_Of_Lines), + C_Int (Number_Of_Columns), + C_Int (First_Line_Position), + C_Int (First_Column_Position)); + if W = Null_Window then + raise Curses_Exception; + end if; + return W; + end Derived_Window; + + function Duplicate (Win : Window) return Window + is + function Dupwin (Win : Window) return Window; + pragma Import (C, Dupwin, "dupwin"); + + W : Window := Dupwin (Win); + begin + if W = Null_Window then + raise Curses_Exception; + end if; + return W; + end Duplicate; + + procedure Move_Window (Win : in Window; + Line : in Line_Position; + Column : in Column_Position) + is + function Mvwin (Win : Window; + Line : C_Int; + Column : C_Int) return C_Int; + pragma Import (C, Mvwin, "mvwin"); + begin + if Mvwin (Win, C_Int (Line), C_Int (Column)) = Curses_Err then + raise Curses_Exception; + end if; + end Move_Window; + + procedure Move_Derived_Window (Win : in Window; + Line : in Line_Position; + Column : in Column_Position) + is + function Mvderwin (Win : Window; + Line : C_Int; + Column : C_Int) return C_Int; + pragma Import (C, Mvderwin, "mvderwin"); + begin + if Mvderwin (Win, C_Int (Line), C_Int (Column)) = Curses_Err then + raise Curses_Exception; + end if; + end Move_Derived_Window; + + procedure Set_Synch_Mode (Win : in Window := Standard_Window; + Mode : in Boolean := False) + is + function Syncok (Win : Window; + Mode : Curses_Bool) return C_Int; + pragma Import (C, Syncok, "syncok"); + begin + if Syncok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Synch_Mode; +------------------------------------------------------------------------------ + procedure Add (Win : in Window := Standard_Window; + Str : in String; + Len : in Integer := -1) + is + function Waddnstr (Win : Window; + Str : char_array; + Len : C_Int := -1) return C_Int; + pragma Import (C, Waddnstr, "waddnstr"); + + Txt : char_array (0 .. Str'Length); + Length : size_t; + begin + To_C (Str, Txt, Length); + if Waddnstr (Win, Txt, C_Int (Len)) = Curses_Err then + raise Curses_Exception; + end if; + end Add; + + procedure Add + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Str : in String; + Len : in Integer := -1) + is + begin + Move_Cursor (Win, Line, Column); + Add (Win, Str, Len); + end Add; +------------------------------------------------------------------------------ + procedure Add + (Win : in Window := Standard_Window; + Str : in Attributed_String; + Len : in Integer := -1) + is + function Waddchnstr (Win : Window; + Str : chtype_array; + Len : C_Int := -1) return C_Int; + pragma Import (C, Waddchnstr, "waddchnstr"); + + Txt : chtype_array (0 .. Str'Length); + begin + for Length in 1 .. size_t (Str'Length) loop + Txt (Length - 1) := Str (Natural (Length)); + end loop; + Txt (Str'Length) := Default_Character; + if Waddchnstr (Win, + Txt, + C_Int (Len)) = Curses_Err then + raise Curses_Exception; + end if; + end Add; + + procedure Add + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Str : in Attributed_String; + Len : in Integer := -1) + is + begin + Move_Cursor (Win, Line, Column); + Add (Win, Str, Len); + end Add; +------------------------------------------------------------------------------ + procedure Border + (Win : in Window := Standard_Window; + Left_Side_Symbol : in Attributed_Character := Default_Character; + Right_Side_Symbol : in Attributed_Character := Default_Character; + Top_Side_Symbol : in Attributed_Character := Default_Character; + Bottom_Side_Symbol : in Attributed_Character := Default_Character; + Upper_Left_Corner_Symbol : in Attributed_Character := Default_Character; + Upper_Right_Corner_Symbol : in Attributed_Character := Default_Character; + Lower_Left_Corner_Symbol : in Attributed_Character := Default_Character; + Lower_Right_Corner_Symbol : in Attributed_Character := Default_Character) + is + function Wborder (W : Window; + LS : C_Chtype; + RS : C_Chtype; + TS : C_Chtype; + BS : C_Chtype; + ULC : C_Chtype; + URC : C_Chtype; + LLC : C_Chtype; + LRC : C_Chtype) return C_Int; + pragma Import (C, Wborder, "wborder"); + begin + if Wborder (Win, + AttrChar_To_Chtype (Left_Side_Symbol), + AttrChar_To_Chtype (Right_Side_Symbol), + AttrChar_To_Chtype (Top_Side_Symbol), + AttrChar_To_Chtype (Bottom_Side_Symbol), + AttrChar_To_Chtype (Upper_Left_Corner_Symbol), + AttrChar_To_Chtype (Upper_Right_Corner_Symbol), + AttrChar_To_Chtype (Lower_Left_Corner_Symbol), + AttrChar_To_Chtype (Lower_Right_Corner_Symbol) + ) = Curses_Err + then + raise Curses_Exception; + end if; + end Border; + + procedure Box + (Win : in Window := Standard_Window; + Vertical_Symbol : in Attributed_Character := Default_Character; + Horizontal_Symbol : in Attributed_Character := Default_Character) + is + begin + Border (Win, + Vertical_Symbol, Vertical_Symbol, + Horizontal_Symbol, Horizontal_Symbol); + end Box; + + procedure Horizontal_Line + (Win : in Window := Standard_Window; + Line_Size : in Natural; + Line_Symbol : in Attributed_Character := Default_Character) + is + function Whline (W : Window; + Ch : C_Chtype; + Len : C_Int) return C_Int; + pragma Import (C, Whline, "whline"); + begin + if Whline (Win, + AttrChar_To_Chtype (Line_Symbol), + C_Int (Line_Size)) = Curses_Err then + raise Curses_Exception; + end if; + end Horizontal_Line; + + procedure Vertical_Line + (Win : in Window := Standard_Window; + Line_Size : in Natural; + Line_Symbol : in Attributed_Character := Default_Character) + is + function Wvline (W : Window; + Ch : C_Chtype; + Len : C_Int) return C_Int; + pragma Import (C, Wvline, "wvline"); + begin + if Wvline (Win, + AttrChar_To_Chtype (Line_Symbol), + C_Int (Line_Size)) = Curses_Err then + raise Curses_Exception; + end if; + end Vertical_Line; + +------------------------------------------------------------------------------ + function Get_Keystroke (Win : Window := Standard_Window) + return Real_Key_Code + is + function Wgetch (W : Window) return C_Int; + pragma Import (C, Wgetch, "wgetch"); + + C : constant C_Int := Wgetch (Win); + begin + if C = Curses_Err then + return Key_None; + else + return Real_Key_Code (C); + end if; + end Get_Keystroke; + + procedure Undo_Keystroke (Key : in Real_Key_Code) + is + function Ungetch (Ch : C_Int) return C_Int; + pragma Import (C, Ungetch, "ungetch"); + begin + if Ungetch (C_Int (Key)) = Curses_Err then + raise Curses_Exception; + end if; + end Undo_Keystroke; + + function Has_Key (Key : Special_Key_Code) return Boolean + is + function Haskey (Key : C_Int) return C_Int; + pragma Import (C, Haskey, "has_key"); + begin + if Haskey (C_Int (Key)) = Curses_False then + return False; + else + return True; + end if; + end Has_Key; + + function Is_Function_Key (Key : Special_Key_Code) return Boolean + is + L : constant Special_Key_Code := Special_Key_Code (Natural (Key_F0) + + Natural (Function_Key_Number'Last)); + begin + if (Key >= Key_F0) and then (Key <= L) then + return True; + else + return False; + end if; + end Is_Function_Key; + + function Function_Key (Key : Real_Key_Code) + return Function_Key_Number + is + begin + if Is_Function_Key (Key) then + return Function_Key_Number (Key - Key_F0); + else + raise Constraint_Error; + end if; + end Function_Key; + + function Function_Key_Code (Key : Function_Key_Number) return Real_Key_Code + is + begin + return Real_Key_Code (Natural (Key_F0) + Natural (Key)); + end Function_Key_Code; +------------------------------------------------------------------------------ + procedure Standout (Win : Window := Standard_Window; + On : Boolean := True) + is + function wstandout (Win : Window) return C_Int; + pragma Import (C, wstandout, "wstandout"); + function wstandend (Win : Window) return C_Int; + pragma Import (C, wstandend, "wstandend"); + + Err : C_Int; + begin + if On then + Err := wstandout (Win); + else + Err := wstandend (Win); + end if; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Standout; + + procedure Switch_Character_Attribute + (Win : in Window := Standard_Window; + Attr : in Character_Attribute_Set := Normal_Video; + On : in Boolean := True) + is + function Wattron (Win : Window; + C_Attr : C_AttrType) return C_Int; + pragma Import (C, Wattron, "wattr_on"); + function Wattroff (Win : Window; + C_Attr : C_AttrType) return C_Int; + pragma Import (C, Wattroff, "wattr_off"); + -- In Ada we use the On Boolean to control whether or not we want to + -- switch on or off the attributes in the set. + Err : C_Int; + AC : constant Attributed_Character := (Ch => Character'First, + Color => Color_Pair'First, + Attr => Attr); + begin + if On then + Err := Wattron (Win, AttrChar_To_AttrType (AC)); + else + Err := Wattroff (Win, AttrChar_To_AttrType (AC)); + end if; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Switch_Character_Attribute; + + procedure Set_Character_Attributes + (Win : in Window := Standard_Window; + Attr : in Character_Attribute_Set := Normal_Video; + Color : in Color_Pair := Color_Pair'First) + is + function Wattrset (Win : Window; + C_Attr : C_AttrType) return C_Int; + pragma Import (C, Wattrset, "wattrset"); -- ??? wattr_set + begin + if Wattrset (Win, + AttrChar_To_AttrType (Attributed_Character' + (Ch => Character'First, + Color => Color, + Attr => Attr))) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Character_Attributes; + + function Get_Character_Attribute (Win : Window := Standard_Window) + return Character_Attribute_Set + is + function Wattrget (Win : Window; + Atr : access C_AttrType; + Col : access C_Short; + Opt : System.Address) return C_Int; + pragma Import (C, Wattrget, "wattr_get"); + + Attr : aliased C_AttrType; + Col : aliased C_Short; + Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access, + System.Null_Address); + Ch : Attributed_Character; + begin + if Res = Curses_Ok then + Ch := AttrType_To_AttrChar (Attr); + return Ch.Attr; + else + raise Curses_Exception; + end if; + end Get_Character_Attribute; + + function Get_Character_Attribute (Win : Window := Standard_Window) + return Color_Pair + is + function Wattrget (Win : Window; + Atr : access C_AttrType; + Col : access C_Short; + Opt : System.Address) return C_Int; + pragma Import (C, Wattrget, "wattr_get"); + + Attr : aliased C_AttrType; + Col : aliased C_Short; + Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access, + System.Null_Address); + Ch : Attributed_Character; + begin + if Res = Curses_Ok then + Ch := AttrType_To_AttrChar (Attr); + return Ch.Color; + else + raise Curses_Exception; + end if; + end Get_Character_Attribute; + + procedure Set_Color (Win : in Window := Standard_Window; + Pair : in Color_Pair) + is + function Wset_Color (Win : Window; + Color : C_Short; + Opts : C_Void_Ptr) return C_Int; + pragma Import (C, Wset_Color, "wcolor_set"); + begin + if Wset_Color (Win, + C_Short (Pair), + C_Void_Ptr (System.Null_Address)) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Color; + + procedure Change_Attributes + (Win : in Window := Standard_Window; + Count : in Integer := -1; + Attr : in Character_Attribute_Set := Normal_Video; + Color : in Color_Pair := Color_Pair'First) + is + function Wchgat (Win : Window; + Cnt : C_Int; + Attr : C_AttrType; + Color : C_Short; + Opts : System.Address := System.Null_Address) + return C_Int; + pragma Import (C, Wchgat, "wchgat"); + + Ch : constant Attributed_Character := + (Ch => Character'First, Color => Color_Pair'First, Attr => Attr); + begin + if Wchgat (Win, C_Int (Count), AttrChar_To_AttrType (Ch), + C_Short (Color)) = Curses_Err then + raise Curses_Exception; + end if; + end Change_Attributes; + + procedure Change_Attributes + (Win : in Window := Standard_Window; + Line : in Line_Position := Line_Position'First; + Column : in Column_Position := Column_Position'First; + Count : in Integer := -1; + Attr : in Character_Attribute_Set := Normal_Video; + Color : in Color_Pair := Color_Pair'First) + is + begin + Move_Cursor (Win, Line, Column); + Change_Attributes (Win, Count, Attr, Color); + end Change_Attributes; +------------------------------------------------------------------------------ + procedure Beep + is + function Beeper return C_Int; + pragma Import (C, Beeper, "beep"); + begin + if Beeper = Curses_Err then + raise Curses_Exception; + end if; + end Beep; + + procedure Flash_Screen + is + function Flash return C_Int; + pragma Import (C, Flash, "flash"); + begin + if Flash = Curses_Err then + raise Curses_Exception; + end if; + end Flash_Screen; +------------------------------------------------------------------------------ + procedure Set_Cbreak_Mode (SwitchOn : in Boolean := True) + is + function Cbreak return C_Int; + pragma Import (C, Cbreak, "cbreak"); + function NoCbreak return C_Int; + pragma Import (C, NoCbreak, "nocbreak"); + + Err : C_Int; + begin + if SwitchOn then + Err := Cbreak; + else + Err := NoCbreak; + end if; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Set_Cbreak_Mode; + + procedure Set_Raw_Mode (SwitchOn : in Boolean := True) + is + function Raw return C_Int; + pragma Import (C, Raw, "raw"); + function NoRaw return C_Int; + pragma Import (C, NoRaw, "noraw"); + + Err : C_Int; + begin + if SwitchOn then + Err := Raw; + else + Err := NoRaw; + end if; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Set_Raw_Mode; + + procedure Set_Echo_Mode (SwitchOn : in Boolean := True) + is + function Echo return C_Int; + pragma Import (C, Echo, "echo"); + function NoEcho return C_Int; + pragma Import (C, NoEcho, "noecho"); + + Err : C_Int; + begin + if SwitchOn then + Err := Echo; + else + Err := NoEcho; + end if; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Set_Echo_Mode; + + procedure Set_Meta_Mode (Win : in Window := Standard_Window; + SwitchOn : in Boolean := True) + is + function Meta (W : Window; Mode : Curses_Bool) return C_Int; + pragma Import (C, Meta, "meta"); + begin + if Meta (Win, Curses_Bool (Boolean'Pos (SwitchOn))) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Meta_Mode; + + procedure Set_KeyPad_Mode (Win : in Window := Standard_Window; + SwitchOn : in Boolean := True) + is + function Keypad (W : Window; Mode : Curses_Bool) return C_Int; + pragma Import (C, Keypad, "keypad"); + begin + if Keypad (Win, Curses_Bool (Boolean'Pos (SwitchOn))) = Curses_Err then + raise Curses_Exception; + end if; + end Set_KeyPad_Mode; + + function Get_KeyPad_Mode (Win : in Window := Standard_Window) + return Boolean + is + begin + return Get_Flag (Win, Offset_use_keypad); + end Get_KeyPad_Mode; + + procedure Half_Delay (Amount : in Half_Delay_Amount) + is + function Halfdelay (Amount : C_Int) return C_Int; + pragma Import (C, Halfdelay, "halfdelay"); + begin + if Halfdelay (C_Int (Amount)) = Curses_Err then + raise Curses_Exception; + end if; + end Half_Delay; + + procedure Set_Flush_On_Interrupt_Mode + (Win : in Window := Standard_Window; + Mode : in Boolean := True) + is + function Intrflush (Win : Window; Mode : Curses_Bool) return C_Int; + pragma Import (C, Intrflush, "intrflush"); + begin + if Intrflush (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Flush_On_Interrupt_Mode; + + procedure Set_Queue_Interrupt_Mode + (Win : in Window := Standard_Window; + Flush : in Boolean := True) + is + procedure Qiflush; + pragma Import (C, Qiflush, "qiflush"); + procedure No_Qiflush; + pragma Import (C, No_Qiflush, "noqiflush"); + begin + if Flush then + Qiflush; + else + No_Qiflush; + end if; + end Set_Queue_Interrupt_Mode; + + procedure Set_NoDelay_Mode + (Win : in Window := Standard_Window; + Mode : in Boolean := False) + is + function Nodelay (Win : Window; Mode : Curses_Bool) return C_Int; + pragma Import (C, Nodelay, "nodelay"); + begin + if Nodelay (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then + raise Curses_Exception; + end if; + end Set_NoDelay_Mode; + + procedure Set_Timeout_Mode (Win : in Window := Standard_Window; + Mode : in Timeout_Mode; + Amount : in Natural) + is + function Wtimeout (Win : Window; Amount : C_Int) return C_Int; + pragma Import (C, Wtimeout, "wtimeout"); + + Time : C_Int; + begin + case Mode is + when Blocking => Time := -1; + when Non_Blocking => Time := 0; + when Delayed => + if Amount = 0 then + raise Constraint_Error; + end if; + Time := C_Int (Amount); + end case; + if Wtimeout (Win, Time) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Timeout_Mode; + + procedure Set_Escape_Timer_Mode + (Win : in Window := Standard_Window; + Timer_Off : in Boolean := False) + is + function Notimeout (Win : Window; Mode : Curses_Bool) return C_Int; + pragma Import (C, Notimeout, "notimeout"); + begin + if Notimeout (Win, Curses_Bool (Boolean'Pos (Timer_Off))) + = Curses_Err then + raise Curses_Exception; + end if; + end Set_Escape_Timer_Mode; + +------------------------------------------------------------------------------ + procedure Set_NL_Mode (SwitchOn : in Boolean := True) + is + function NL return C_Int; + pragma Import (C, NL, "nl"); + function NoNL return C_Int; + pragma Import (C, NoNL, "nonl"); + + Err : C_Int; + begin + if SwitchOn then + Err := NL; + else + Err := NoNL; + end if; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Set_NL_Mode; + + procedure Clear_On_Next_Update + (Win : in Window := Standard_Window; + Do_Clear : in Boolean := True) + is + function Clear_Ok (W : Window; Flag : Curses_Bool) return C_Int; + pragma Import (C, Clear_Ok, "clearok"); + begin + if Clear_Ok (Win, Curses_Bool (Boolean'Pos (Do_Clear))) = Curses_Err then + raise Curses_Exception; + end if; + end Clear_On_Next_Update; + + procedure Use_Insert_Delete_Line + (Win : in Window := Standard_Window; + Do_Idl : in Boolean := True) + is + function IDL_Ok (W : Window; Flag : Curses_Bool) return C_Int; + pragma Import (C, IDL_Ok, "idlok"); + begin + if IDL_Ok (Win, Curses_Bool (Boolean'Pos (Do_Idl))) = Curses_Err then + raise Curses_Exception; + end if; + end Use_Insert_Delete_Line; + + procedure Use_Insert_Delete_Character + (Win : in Window := Standard_Window; + Do_Idc : in Boolean := True) + is + function IDC_Ok (W : Window; Flag : Curses_Bool) return C_Int; + pragma Import (C, IDC_Ok, "idcok"); + begin + if IDC_Ok (Win, Curses_Bool (Boolean'Pos (Do_Idc))) = Curses_Err then + raise Curses_Exception; + end if; + end Use_Insert_Delete_Character; + + procedure Leave_Cursor_After_Update + (Win : in Window := Standard_Window; + Do_Leave : in Boolean := True) + is + function Leave_Ok (W : Window; Flag : Curses_Bool) return C_Int; + pragma Import (C, Leave_Ok, "leaveok"); + begin + if Leave_Ok (Win, Curses_Bool (Boolean'Pos (Do_Leave))) = Curses_Err then + raise Curses_Exception; + end if; + end Leave_Cursor_After_Update; + + procedure Immediate_Update_Mode + (Win : in Window := Standard_Window; + Mode : in Boolean := False) + is + function Immedok (Win : Window; Mode : Curses_Bool) return C_Int; + pragma Import (C, Immedok, "immedok"); + begin + if Immedok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then + raise Curses_Exception; + end if; + end Immediate_Update_Mode; + + procedure Allow_Scrolling + (Win : in Window := Standard_Window; + Mode : in Boolean := False) + is + function Scrollok (Win : Window; Mode : Curses_Bool) return C_Int; + pragma Import (C, Scrollok, "scrollok"); + begin + if Scrollok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then + raise Curses_Exception; + end if; + end Allow_Scrolling; + + function Scrolling_Allowed (Win : Window := Standard_Window) + return Boolean + is + begin + return Get_Flag (Win, Offset_scroll); + end Scrolling_Allowed; + + procedure Set_Scroll_Region + (Win : in Window := Standard_Window; + Top_Line : in Line_Position; + Bottom_Line : in Line_Position) + is + function Wsetscrreg (Win : Window; + Lin : C_Int; + Col : C_Int) return C_Int; + pragma Import (C, Wsetscrreg, "wsetscrreg"); + begin + if Wsetscrreg (Win, C_Int (Top_Line), C_Int (Bottom_Line)) + = Curses_Err then + raise Curses_Exception; + end if; + end Set_Scroll_Region; +------------------------------------------------------------------------------ + procedure Update_Screen + is + function Do_Update return C_Int; + pragma Import (C, Do_Update, "doupdate"); + begin + if Do_Update = Curses_Err then + raise Curses_Exception; + end if; + end Update_Screen; + + procedure Refresh (Win : in Window := Standard_Window) + is + function Wrefresh (W : Window) return C_Int; + pragma Import (C, Wrefresh, "wrefresh"); + begin + if Wrefresh (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Refresh; + + procedure Refresh_Without_Update + (Win : in Window := Standard_Window) + is + function Wnoutrefresh (W : Window) return C_Int; + pragma Import (C, Wnoutrefresh, "wnoutrefresh"); + begin + if Wnoutrefresh (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Refresh_Without_Update; + + procedure Redraw (Win : in Window := Standard_Window) + is + function Redrawwin (Win : Window) return C_Int; + pragma Import (C, Redrawwin, "redrawwin"); + begin + if Redrawwin (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Redraw; + + procedure Redraw + (Win : in Window := Standard_Window; + Begin_Line : in Line_Position; + Line_Count : in Positive) + is + function Wredrawln (Win : Window; First : C_Int; Cnt : C_Int) + return C_Int; + pragma Import (C, Wredrawln, "wredrawln"); + begin + if Wredrawln (Win, + C_Int (Begin_Line), + C_Int (Line_Count)) = Curses_Err then + raise Curses_Exception; + end if; + end Redraw; + +------------------------------------------------------------------------------ + procedure Erase (Win : in Window := Standard_Window) + is + function Werase (W : Window) return C_Int; + pragma Import (C, Werase, "werase"); + begin + if Werase (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Erase; + + procedure Clear (Win : in Window := Standard_Window) + is + function Wclear (W : Window) return C_Int; + pragma Import (C, Wclear, "wclear"); + begin + if Wclear (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Clear; + + procedure Clear_To_End_Of_Screen (Win : in Window := Standard_Window) + is + function Wclearbot (W : Window) return C_Int; + pragma Import (C, Wclearbot, "wclrtobot"); + begin + if Wclearbot (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Clear_To_End_Of_Screen; + + procedure Clear_To_End_Of_Line (Win : in Window := Standard_Window) + is + function Wcleareol (W : Window) return C_Int; + pragma Import (C, Wcleareol, "wclrtoeol"); + begin + if Wcleareol (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Clear_To_End_Of_Line; +------------------------------------------------------------------------------ + procedure Set_Background + (Win : in Window := Standard_Window; + Ch : in Attributed_Character) + is + procedure WBackground (W : in Window; Ch : in C_Chtype); + pragma Import (C, WBackground, "wbkgdset"); + begin + WBackground (Win, AttrChar_To_Chtype (Ch)); + end Set_Background; + + procedure Change_Background + (Win : in Window := Standard_Window; + Ch : in Attributed_Character) + is + function WChangeBkgd (W : Window; Ch : C_Chtype) return C_Int; + pragma Import (C, WChangeBkgd, "wbkgd"); + begin + if WChangeBkgd (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Change_Background; + + function Get_Background (Win : Window := Standard_Window) + return Attributed_Character + is + function Wgetbkgd (Win : Window) return C_Chtype; + pragma Import (C, Wgetbkgd, "getbkgd"); + begin + return Chtype_To_AttrChar (Wgetbkgd (Win)); + end Get_Background; +------------------------------------------------------------------------------ + procedure Change_Lines_Status (Win : in Window := Standard_Window; + Start : in Line_Position; + Count : in Positive; + State : in Boolean) + is + function Wtouchln (Win : Window; + Sta : C_Int; + Cnt : C_Int; + Chg : C_Int) return C_Int; + pragma Import (C, Wtouchln, "wtouchln"); + begin + if Wtouchln (Win, C_Int (Start), C_Int (Count), + C_Int (Boolean'Pos (State))) = Curses_Err then + raise Curses_Exception; + end if; + end Change_Lines_Status; + + procedure Touch (Win : in Window := Standard_Window) + is + Y : Line_Position; + X : Column_Position; + begin + Get_Size (Win, Y, X); + Change_Lines_Status (Win, 0, Positive (Y), True); + end Touch; + + procedure Untouch (Win : in Window := Standard_Window) + is + Y : Line_Position; + X : Column_Position; + begin + Get_Size (Win, Y, X); + Change_Lines_Status (Win, 0, Positive (Y), False); + end Untouch; + + procedure Touch (Win : in Window := Standard_Window; + Start : in Line_Position; + Count : in Positive) + is + begin + Change_Lines_Status (Win, Start, Count, True); + end Touch; + + function Is_Touched + (Win : Window := Standard_Window; + Line : Line_Position) return Boolean + is + function WLineTouched (W : Window; L : C_Int) return Curses_Bool; + pragma Import (C, WLineTouched, "is_linetouched"); + begin + if WLineTouched (Win, C_Int (Line)) = Curses_Bool_False then + return False; + else + return True; + end if; + end Is_Touched; + + function Is_Touched + (Win : Window := Standard_Window) return Boolean + is + function WWinTouched (W : Window) return Curses_Bool; + pragma Import (C, WWinTouched, "is_wintouched"); + begin + if WWinTouched (Win) = Curses_Bool_False then + return False; + else + return True; + end if; + end Is_Touched; +------------------------------------------------------------------------------ + procedure Copy + (Source_Window : in Window; + Destination_Window : in Window; + Source_Top_Row : in Line_Position; + Source_Left_Column : in Column_Position; + Destination_Top_Row : in Line_Position; + Destination_Left_Column : in Column_Position; + Destination_Bottom_Row : in Line_Position; + Destination_Right_Column : in Column_Position; + Non_Destructive_Mode : in Boolean := True) + is + function Copywin (Src : Window; + Dst : Window; + Str : C_Int; + Slc : C_Int; + Dtr : C_Int; + Dlc : C_Int; + Dbr : C_Int; + Drc : C_Int; + Ndm : C_Int) return C_Int; + pragma Import (C, Copywin, "copywin"); + begin + if Copywin (Source_Window, + Destination_Window, + C_Int (Source_Top_Row), + C_Int (Source_Left_Column), + C_Int (Destination_Top_Row), + C_Int (Destination_Left_Column), + C_Int (Destination_Bottom_Row), + C_Int (Destination_Right_Column), + Boolean'Pos (Non_Destructive_Mode) + ) = Curses_Err then + raise Curses_Exception; + end if; + end Copy; + + procedure Overwrite + (Source_Window : in Window; + Destination_Window : in Window) + is + function Overwrite (Src : Window; Dst : Window) return C_Int; + pragma Import (C, Overwrite, "overwrite"); + begin + if Overwrite (Source_Window, Destination_Window) = Curses_Err then + raise Curses_Exception; + end if; + end Overwrite; + + procedure Overlay + (Source_Window : in Window; + Destination_Window : in Window) + is + function Overlay (Src : Window; Dst : Window) return C_Int; + pragma Import (C, Overlay, "overlay"); + begin + if Overlay (Source_Window, Destination_Window) = Curses_Err then + raise Curses_Exception; + end if; + end Overlay; + +------------------------------------------------------------------------------ + procedure Insert_Delete_Lines + (Win : in Window := Standard_Window; + Lines : in Integer := 1) -- default is to insert one line above + is + function Winsdelln (W : Window; N : C_Int) return C_Int; + pragma Import (C, Winsdelln, "winsdelln"); + begin + if Winsdelln (Win, C_Int (Lines)) = Curses_Err then + raise Curses_Exception; + end if; + end Insert_Delete_Lines; + + procedure Delete_Line (Win : in Window := Standard_Window) + is + begin + Insert_Delete_Lines (Win, -1); + end Delete_Line; + + procedure Insert_Line (Win : in Window := Standard_Window) + is + begin + Insert_Delete_Lines (Win, 1); + end Insert_Line; +------------------------------------------------------------------------------ + + + procedure Get_Size + (Win : in Window := Standard_Window; + Number_Of_Lines : out Line_Count; + Number_Of_Columns : out Column_Count) + is + -- Please note: in ncurses they are one off. + -- This might be different in other implementations of curses + Y : C_Int := C_Int (W_Get_Short (Win, Offset_maxy)) + C_Int (Offset_XY); + X : C_Int := C_Int (W_Get_Short (Win, Offset_maxx)) + C_Int (Offset_XY); + begin + Number_Of_Lines := Line_Count (Y); + Number_Of_Columns := Column_Count (X); + end Get_Size; + + procedure Get_Window_Position + (Win : in Window := Standard_Window; + Top_Left_Line : out Line_Position; + Top_Left_Column : out Column_Position) + is + Y : C_Short := W_Get_Short (Win, Offset_begy); + X : C_Short := W_Get_Short (Win, Offset_begx); + begin + Top_Left_Line := Line_Position (Y); + Top_Left_Column := Column_Position (X); + end Get_Window_Position; + + procedure Get_Cursor_Position + (Win : in Window := Standard_Window; + Line : out Line_Position; + Column : out Column_Position) + is + Y : C_Short := W_Get_Short (Win, Offset_cury); + X : C_Short := W_Get_Short (Win, Offset_curx); + begin + Line := Line_Position (Y); + Column := Column_Position (X); + end Get_Cursor_Position; + + procedure Get_Origin_Relative_To_Parent + (Win : in Window; + Top_Left_Line : out Line_Position; + Top_Left_Column : out Column_Position; + Is_Not_A_Subwindow : out Boolean) + is + Y : C_Int := W_Get_Int (Win, Offset_pary); + X : C_Int := W_Get_Int (Win, Offset_parx); + begin + if Y = -1 then + Top_Left_Line := Line_Position'Last; + Top_Left_Column := Column_Position'Last; + Is_Not_A_Subwindow := True; + else + Top_Left_Line := Line_Position (Y); + Top_Left_Column := Column_Position (X); + Is_Not_A_Subwindow := False; + end if; + end Get_Origin_Relative_To_Parent; +------------------------------------------------------------------------------ + function New_Pad (Lines : Line_Count; + Columns : Column_Count) return Window + is + function Newpad (Lines : C_Int; Columns : C_Int) return Window; + pragma Import (C, Newpad, "newpad"); + + W : Window; + begin + W := Newpad (C_Int (Lines), C_Int (Columns)); + if W = Null_Window then + raise Curses_Exception; + end if; + return W; + end New_Pad; + + function Sub_Pad + (Pad : Window; + Number_Of_Lines : Line_Count; + Number_Of_Columns : Column_Count; + First_Line_Position : Line_Position; + First_Column_Position : Column_Position) return Window + is + function Subpad + (Pad : Window; + Number_Of_Lines : C_Int; + Number_Of_Columns : C_Int; + First_Line_Position : C_Int; + First_Column_Position : C_Int) return Window; + pragma Import (C, Subpad, "subpad"); + + W : Window; + begin + W := Subpad (Pad, + C_Int (Number_Of_Lines), + C_Int (Number_Of_Columns), + C_Int (First_Line_Position), + C_Int (First_Column_Position)); + if W = Null_Window then + raise Curses_Exception; + end if; + return W; + end Sub_Pad; + + procedure Refresh + (Pad : in Window; + Source_Top_Row : in Line_Position; + Source_Left_Column : in Column_Position; + Destination_Top_Row : in Line_Position; + Destination_Left_Column : in Column_Position; + Destination_Bottom_Row : in Line_Position; + Destination_Right_Column : in Column_Position) + is + function Prefresh + (Pad : Window; + Source_Top_Row : C_Int; + Source_Left_Column : C_Int; + Destination_Top_Row : C_Int; + Destination_Left_Column : C_Int; + Destination_Bottom_Row : C_Int; + Destination_Right_Column : C_Int) return C_Int; + pragma Import (C, Prefresh, "prefresh"); + begin + if Prefresh (Pad, + C_Int (Source_Top_Row), + C_Int (Source_Left_Column), + C_Int (Destination_Top_Row), + C_Int (Destination_Left_Column), + C_Int (Destination_Bottom_Row), + C_Int (Destination_Right_Column)) = Curses_Err then + raise Curses_Exception; + end if; + end Refresh; + + procedure Refresh_Without_Update + (Pad : in Window; + Source_Top_Row : in Line_Position; + Source_Left_Column : in Column_Position; + Destination_Top_Row : in Line_Position; + Destination_Left_Column : in Column_Position; + Destination_Bottom_Row : in Line_Position; + Destination_Right_Column : in Column_Position) + is + function Pnoutrefresh + (Pad : Window; + Source_Top_Row : C_Int; + Source_Left_Column : C_Int; + Destination_Top_Row : C_Int; + Destination_Left_Column : C_Int; + Destination_Bottom_Row : C_Int; + Destination_Right_Column : C_Int) return C_Int; + pragma Import (C, Pnoutrefresh, "pnoutrefresh"); + begin + if Pnoutrefresh (Pad, + C_Int (Source_Top_Row), + C_Int (Source_Left_Column), + C_Int (Destination_Top_Row), + C_Int (Destination_Left_Column), + C_Int (Destination_Bottom_Row), + C_Int (Destination_Right_Column)) = Curses_Err then + raise Curses_Exception; + end if; + end Refresh_Without_Update; + + procedure Add_Character_To_Pad_And_Echo_It + (Pad : in Window; + Ch : in Attributed_Character) + is + function Pechochar (Pad : Window; Ch : C_Chtype) + return C_Int; + pragma Import (C, Pechochar, "pechochar"); + begin + if Pechochar (Pad, AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Add_Character_To_Pad_And_Echo_It; + + procedure Add_Character_To_Pad_And_Echo_It + (Pad : in Window; + Ch : in Character) + is + begin + Add_Character_To_Pad_And_Echo_It + (Pad, + Attributed_Character'(Ch => Ch, + Color => Color_Pair'First, + Attr => Normal_Video)); + end Add_Character_To_Pad_And_Echo_It; +------------------------------------------------------------------------------ + procedure Scroll (Win : in Window := Standard_Window; + Amount : in Integer := 1) + is + function Wscrl (Win : Window; N : C_Int) return C_Int; + pragma Import (C, Wscrl, "wscrl"); + + begin + if Wscrl (Win, C_Int (Amount)) = Curses_Err then + raise Curses_Exception; + end if; + end Scroll; + +------------------------------------------------------------------------------ + procedure Delete_Character (Win : in Window := Standard_Window) + is + function Wdelch (Win : Window) return C_Int; + pragma Import (C, Wdelch, "wdelch"); + begin + if Wdelch (Win) = Curses_Err then + raise Curses_Exception; + end if; + end Delete_Character; + + procedure Delete_Character + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position) + is + function Mvwdelch (Win : Window; + Lin : C_Int; + Col : C_Int) return C_Int; + pragma Import (C, Mvwdelch, "mvwdelch"); + begin + if Mvwdelch (Win, C_Int (Line), C_Int (Column)) = Curses_Err then + raise Curses_Exception; + end if; + end Delete_Character; +------------------------------------------------------------------------------ + function Peek (Win : Window := Standard_Window) + return Attributed_Character + is + function Winch (Win : Window) return C_Chtype; + pragma Import (C, Winch, "winch"); + begin + return Chtype_To_AttrChar (Winch (Win)); + end Peek; + + function Peek + (Win : Window := Standard_Window; + Line : Line_Position; + Column : Column_Position) return Attributed_Character + is + function Mvwinch (Win : Window; + Lin : C_Int; + Col : C_Int) return C_Chtype; + pragma Import (C, Mvwinch, "mvwinch"); + begin + return Chtype_To_AttrChar (Mvwinch (Win, C_Int (Line), C_Int (Column))); + end Peek; +------------------------------------------------------------------------------ + procedure Insert (Win : in Window := Standard_Window; + Ch : in Attributed_Character) + is + function Winsch (Win : Window; Ch : C_Chtype) return C_Int; + pragma Import (C, Winsch, "winsch"); + begin + if Winsch (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Insert; + + procedure Insert + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Ch : in Attributed_Character) + is + function Mvwinsch (Win : Window; + Lin : C_Int; + Col : C_Int; + Ch : C_Chtype) return C_Int; + pragma Import (C, Mvwinsch, "mvwinsch"); + begin + if Mvwinsch (Win, + C_Int (Line), + C_Int (Column), + AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Insert; +------------------------------------------------------------------------------ + procedure Insert (Win : in Window := Standard_Window; + Str : in String; + Len : in Integer := -1) + is + function Winsnstr (Win : Window; + Str : char_array; + Len : Integer := -1) return C_Int; + pragma Import (C, Winsnstr, "winsnstr"); + + Txt : char_array (0 .. Str'Length); + Length : size_t; + begin + To_C (Str, Txt, Length); + if Winsnstr (Win, Txt, Len) = Curses_Err then + raise Curses_Exception; + end if; + end Insert; + + procedure Insert + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Str : in String; + Len : in Integer := -1) + is + function Mvwinsnstr (Win : Window; + Line : C_Int; + Column : C_Int; + Str : char_array; + Len : C_Int) return C_Int; + pragma Import (C, Mvwinsnstr, "mvwinsnstr"); + + Txt : char_array (0 .. Str'Length); + Length : size_t; + begin + To_C (Str, Txt, Length); + if Mvwinsnstr (Win, C_Int (Line), C_Int (Column), Txt, C_Int (Len)) + = Curses_Err then + raise Curses_Exception; + end if; + end Insert; +------------------------------------------------------------------------------ + procedure Peek (Win : in Window := Standard_Window; + Str : out String; + Len : in Integer := -1) + is + function Winnstr (Win : Window; + Str : char_array; + Len : C_Int) return C_Int; + pragma Import (C, Winnstr, "winnstr"); + + N : Integer := Len; + Txt : char_array (0 .. Str'Length); + Cnt : Natural; + begin + if N < 0 then + N := Str'Length; + end if; + if N > Str'Length then + raise Constraint_Error; + end if; + Txt (0) := Interfaces.C.char'First; + if Winnstr (Win, Txt, C_Int (N)) = Curses_Err then + raise Curses_Exception; + end if; + To_Ada (Txt, Str, Cnt, True); + if Cnt < Str'Length then + Str ((Str'First + Cnt) .. Str'Last) := (others => ' '); + end if; + end Peek; + + procedure Peek + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Str : out String; + Len : in Integer := -1) + is + begin + Move_Cursor (Win, Line, Column); + Peek (Win, Str, Len); + end Peek; +------------------------------------------------------------------------------ + procedure Peek + (Win : in Window := Standard_Window; + Str : out Attributed_String; + Len : in Integer := -1) + is + function Winchnstr (Win : Window; + Str : chtype_array; -- out + Len : C_Int) return C_Int; + pragma Import (C, Winchnstr, "winchnstr"); + + N : Integer := Len; + Txt : chtype_array (0 .. Str'Length) := (0 => Default_Character); + Cnt : Natural := 0; + begin + if N < 0 then + N := Str'Length; + end if; + if N > Str'Length then + raise Constraint_Error; + end if; + if Winchnstr (Win, Txt, C_Int (N)) = Curses_Err then + raise Curses_Exception; + end if; + for To in Str'Range loop + exit when Txt (size_t (Cnt)) = Default_Character; + Str (To) := Txt (size_t (Cnt)); + Cnt := Cnt + 1; + end loop; + if Cnt < Str'Length then + Str ((Str'First + Cnt) .. Str'Last) := + (others => (Ch => ' ', + Color => Color_Pair'First, + Attr => Normal_Video)); + end if; + end Peek; + + procedure Peek + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Str : out Attributed_String; + Len : in Integer := -1) + is + begin + Move_Cursor (Win, Line, Column); + Peek (Win, Str, Len); + end Peek; +------------------------------------------------------------------------------ + procedure Get (Win : in Window := Standard_Window; + Str : out String; + Len : in Integer := -1) + is + function Wgetnstr (Win : Window; + Str : char_array; + Len : C_Int) return C_Int; + pragma Import (C, Wgetnstr, "wgetnstr"); + + N : Integer := Len; + Txt : char_array (0 .. Str'Length); + Cnt : Natural; + begin + if N < 0 then + N := Str'Length; + end if; + if N > Str'Length then + raise Constraint_Error; + end if; + Txt (0) := Interfaces.C.char'First; + if Wgetnstr (Win, Txt, C_Int (N)) = Curses_Err then + raise Curses_Exception; + end if; + To_Ada (Txt, Str, Cnt, True); + if Cnt < Str'Length then + Str ((Str'First + Cnt) .. Str'Last) := (others => ' '); + end if; + end Get; + + procedure Get + (Win : in Window := Standard_Window; + Line : in Line_Position; + Column : in Column_Position; + Str : out String; + Len : in Integer := -1) + is + begin + Move_Cursor (Win, Line, Column); + Get (Win, Str, Len); + end Get; +------------------------------------------------------------------------------ + procedure Init_Soft_Label_Keys + (Format : in Soft_Label_Key_Format := Three_Two_Three) + is + function Slk_Init (Fmt : C_Int) return C_Int; + pragma Import (C, Slk_Init, "slk_init"); + begin + if Slk_Init (Soft_Label_Key_Format'Pos (Format)) = Curses_Err then + raise Curses_Exception; + end if; + end Init_Soft_Label_Keys; + + procedure Set_Soft_Label_Key (Label : in Label_Number; + Text : in String; + Fmt : in Label_Justification := Left) + is + function Slk_Set (Label : C_Int; + Txt : char_array; + Fmt : C_Int) return C_Int; + pragma Import (C, Slk_Set, "slk_set"); + + Txt : char_array (0 .. Text'Length); + Len : size_t; + begin + To_C (Text, Txt, Len); + if Slk_Set (C_Int (Label), Txt, + C_Int (Label_Justification'Pos (Fmt))) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Soft_Label_Key; + + procedure Refresh_Soft_Label_Keys + is + function Slk_Refresh return C_Int; + pragma Import (C, Slk_Refresh, "slk_refresh"); + begin + if Slk_Refresh = Curses_Err then + raise Curses_Exception; + end if; + end Refresh_Soft_Label_Keys; + + procedure Refresh_Soft_Label_Keys_Without_Update + is + function Slk_Noutrefresh return C_Int; + pragma Import (C, Slk_Noutrefresh, "slk_noutrefresh"); + begin + if Slk_Noutrefresh = Curses_Err then + raise Curses_Exception; + end if; + end Refresh_Soft_Label_Keys_Without_Update; + + procedure Get_Soft_Label_Key (Label : in Label_Number; + Text : out String) + is + function Slk_Label (Label : C_Int) return chars_ptr; + pragma Import (C, Slk_Label, "slk_label"); + begin + Fill_String (Slk_Label (C_Int (Label)), Text); + end Get_Soft_Label_Key; + + function Get_Soft_Label_Key (Label : in Label_Number) return String + is + function Slk_Label (Label : C_Int) return chars_ptr; + pragma Import (C, Slk_Label, "slk_label"); + begin + return Fill_String (Slk_Label (C_Int (Label))); + end Get_Soft_Label_Key; + + procedure Clear_Soft_Label_Keys + is + function Slk_Clear return C_Int; + pragma Import (C, Slk_Clear, "slk_clear"); + begin + if Slk_Clear = Curses_Err then + raise Curses_Exception; + end if; + end Clear_Soft_Label_Keys; + + procedure Restore_Soft_Label_Keys + is + function Slk_Restore return C_Int; + pragma Import (C, Slk_Restore, "slk_restore"); + begin + if Slk_Restore = Curses_Err then + raise Curses_Exception; + end if; + end Restore_Soft_Label_Keys; + + procedure Touch_Soft_Label_Keys + is + function Slk_Touch return C_Int; + pragma Import (C, Slk_Touch, "slk_touch"); + begin + if Slk_Touch = Curses_Err then + raise Curses_Exception; + end if; + end Touch_Soft_Label_Keys; + + procedure Switch_Soft_Label_Key_Attributes + (Attr : in Character_Attribute_Set; + On : in Boolean := True) + is + function Slk_Attron (Ch : C_Chtype) return C_Int; + pragma Import (C, Slk_Attron, "slk_attron"); + function Slk_Attroff (Ch : C_Chtype) return C_Int; + pragma Import (C, Slk_Attroff, "slk_attroff"); + + Err : C_Int; + Ch : constant Attributed_Character := (Ch => Character'First, + Attr => Attr, + Color => Color_Pair'First); + begin + if On then + Err := Slk_Attron (AttrChar_To_Chtype (Ch)); + else + Err := Slk_Attroff (AttrChar_To_Chtype (Ch)); + end if; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Switch_Soft_Label_Key_Attributes; + + procedure Set_Soft_Label_Key_Attributes + (Attr : in Character_Attribute_Set := Normal_Video; + Color : in Color_Pair := Color_Pair'First) + is + function Slk_Attrset (Ch : C_Chtype) return C_Int; + pragma Import (C, Slk_Attrset, "slk_attrset"); + + Ch : constant Attributed_Character := (Ch => Character'First, + Attr => Attr, + Color => Color); + begin + if Slk_Attrset (AttrChar_To_Chtype (Ch)) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Soft_Label_Key_Attributes; + + function Get_Soft_Label_Key_Attributes return Character_Attribute_Set + is + function Slk_Attr return C_Chtype; + pragma Import (C, Slk_Attr, "slk_attr"); + + Attr : constant C_Chtype := Slk_Attr; + begin + return Chtype_To_AttrChar (Attr).Attr; + end Get_Soft_Label_Key_Attributes; + + function Get_Soft_Label_Key_Attributes return Color_Pair + is + function Slk_Attr return C_Chtype; + pragma Import (C, Slk_Attr, "slk_attr"); + + Attr : constant C_Chtype := Slk_Attr; + begin + return Chtype_To_AttrChar (Attr).Color; + end Get_Soft_Label_Key_Attributes; + + procedure Set_Soft_Label_Key_Color (Pair : in Color_Pair) + is + function Slk_Color (Color : in C_Short) return C_Int; + pragma Import (C, Slk_Color, "slk_color"); + begin + if Slk_Color (C_Short (Pair)) = Curses_Err then + raise Curses_Exception; + end if; + end Set_Soft_Label_Key_Color; + +------------------------------------------------------------------------------ + procedure Enable_Key (Key : in Special_Key_Code; + Enable : in Boolean := True) + is + function Keyok (Keycode : C_Int; + On_Off : Curses_Bool) return C_Int; + pragma Import (C, Keyok, "keyok"); + begin + if Keyok (C_Int (Key), Curses_Bool (Boolean'Pos (Enable))) + = Curses_Err then + raise Curses_Exception; + end if; + end Enable_Key; +------------------------------------------------------------------------------ + procedure Define_Key (Definition : in String; + Key : in Special_Key_Code) + is + function Defkey (Def : char_array; + Key : C_Int) return C_Int; + pragma Import (C, Defkey, "define_key"); + + Txt : char_array (0 .. Definition'Length); + Length : size_t; + begin + To_C (Definition, Txt, Length); + if Defkey (Txt, C_Int (Key)) = Curses_Err then + raise Curses_Exception; + end if; + end Define_Key; +------------------------------------------------------------------------------ + procedure Un_Control (Ch : in Attributed_Character; + Str : out String) + is + function Unctrl (Ch : C_Chtype) return chars_ptr; + pragma Import (C, Unctrl, "unctrl"); + begin + Fill_String (Unctrl (AttrChar_To_Chtype (Ch)), Str); + end Un_Control; + + function Un_Control (Ch : in Attributed_Character) return String + is + function Unctrl (Ch : C_Chtype) return chars_ptr; + pragma Import (C, Unctrl, "unctrl"); + begin + return Fill_String (Unctrl (AttrChar_To_Chtype (Ch))); + end Un_Control; + + procedure Delay_Output (Msecs : in Natural) + is + function Delayoutput (Msecs : C_Int) return C_Int; + pragma Import (C, Delayoutput, "delay_output"); + begin + if Delayoutput (C_Int (Msecs)) = Curses_Err then + raise Curses_Exception; + end if; + end Delay_Output; + + procedure Flush_Input + is + function Flushinp return C_Int; + pragma Import (C, Flushinp, "flushinp"); + begin + if Flushinp = Curses_Err then -- docu says that never happens, but... + raise Curses_Exception; + end if; + end Flush_Input; +------------------------------------------------------------------------------ + function Baudrate return Natural + is + function Baud return C_Int; + pragma Import (C, Baud, "baudrate"); + begin + return Natural (Baud); + end Baudrate; + + function Erase_Character return Character + is + function Erasechar return C_Int; + pragma Import (C, Erasechar, "erasechar"); + begin + return Character'Val (Erasechar); + end Erase_Character; + + function Kill_Character return Character + is + function Killchar return C_Int; + pragma Import (C, Killchar, "killchar"); + begin + return Character'Val (Killchar); + end Kill_Character; + + function Has_Insert_Character return Boolean + is + function Has_Ic return Curses_Bool; + pragma Import (C, Has_Ic, "has_ic"); + begin + if Has_Ic = Curses_Bool_False then + return False; + else + return True; + end if; + end Has_Insert_Character; + + function Has_Insert_Line return Boolean + is + function Has_Il return Curses_Bool; + pragma Import (C, Has_Il, "has_il"); + begin + if Has_Il = Curses_Bool_False then + return False; + else + return True; + end if; + end Has_Insert_Line; + + function Supported_Attributes return Character_Attribute_Set + is + function Termattrs return C_Chtype; + pragma Import (C, Termattrs, "termattrs"); + + Ch : constant Attributed_Character := Chtype_To_AttrChar (Termattrs); + begin + return Ch.Attr; + end Supported_Attributes; + + procedure Long_Name (Name : out String) + is + function Longname return chars_ptr; + pragma Import (C, Longname, "longname"); + begin + Fill_String (Longname, Name); + end Long_Name; + + function Long_Name return String + is + function Longname return chars_ptr; + pragma Import (C, Longname, "longname"); + begin + return Fill_String (Longname); + end Long_Name; + + procedure Terminal_Name (Name : out String) + is + function Termname return chars_ptr; + pragma Import (C, Termname, "termname"); + begin + Fill_String (Termname, Name); + end Terminal_Name; + + function Terminal_Name return String + is + function Termname return chars_ptr; + pragma Import (C, Termname, "termname"); + begin + return Fill_String (Termname); + end Terminal_Name; +------------------------------------------------------------------------------ + procedure Init_Pair (Pair : in Redefinable_Color_Pair; + Fore : in Color_Number; + Back : in Color_Number) + is + function Initpair (Pair : C_Short; + Fore : C_Short; + Back : C_Short) return C_Int; + pragma Import (C, Initpair, "init_pair"); + begin + if Integer (Pair) >= Number_Of_Color_Pairs then + raise Constraint_Error; + end if; + if Integer (Fore) >= Number_Of_Colors or else + Integer (Back) >= Number_Of_Colors then raise Constraint_Error; + end if; + if Initpair (C_Short (Pair), C_Short (Fore), C_Short (Back)) + = Curses_Err then + raise Curses_Exception; + end if; + end Init_Pair; + + procedure Pair_Content (Pair : in Color_Pair; + Fore : out Color_Number; + Back : out Color_Number) + is + type C_Short_Access is access all C_Short; + function Paircontent (Pair : C_Short; + Fp : C_Short_Access; + Bp : C_Short_Access) return C_Int; + pragma Import (C, Paircontent, "pair_content"); + + F, B : aliased C_Short; + begin + if Paircontent (C_Short (Pair), F'Access, B'Access) = Curses_Err then + raise Curses_Exception; + else + Fore := Color_Number (F); + Back := Color_Number (B); + end if; + end Pair_Content; + + function Has_Colors return Boolean + is + function Hascolors return Curses_Bool; + pragma Import (C, Hascolors, "has_colors"); + begin + if Hascolors = Curses_Bool_False then + return False; + else + return True; + end if; + end Has_Colors; + + procedure Init_Color (Color : in Color_Number; + Red : in RGB_Value; + Green : in RGB_Value; + Blue : in RGB_Value) + is + function Initcolor (Col : C_Short; + Red : C_Short; + Green : C_Short; + Blue : C_Short) return C_Int; + pragma Import (C, Initcolor, "init_color"); + begin + if Initcolor (C_Short (Color), C_Short (Red), C_Short (Green), + C_Short (Blue)) = Curses_Err then + raise Curses_Exception; + end if; + end Init_Color; + + function Can_Change_Color return Boolean + is + function Canchangecolor return Curses_Bool; + pragma Import (C, Canchangecolor, "can_change_color"); + begin + if Canchangecolor = Curses_Bool_False then + return False; + else + return True; + end if; + end Can_Change_Color; + + procedure Color_Content (Color : in Color_Number; + Red : out RGB_Value; + Green : out RGB_Value; + Blue : out RGB_Value) + is + type C_Short_Access is access all C_Short; + + function Colorcontent (Color : C_Short; R, G, B : C_Short_Access) + return C_Int; + pragma Import (C, Colorcontent, "color_content"); + + R, G, B : aliased C_Short; + begin + if Colorcontent (C_Short (Color), R'Access, G'Access, B'Access) = + Curses_Err then + raise Curses_Exception; + else + Red := RGB_Value (R); + Green := RGB_Value (G); + Blue := RGB_Value (B); + end if; + end Color_Content; + +------------------------------------------------------------------------------ + procedure Save_Curses_Mode (Mode : in Curses_Mode) + is + function Def_Prog_Mode return C_Int; + pragma Import (C, Def_Prog_Mode, "def_prog_mode"); + function Def_Shell_Mode return C_Int; + pragma Import (C, Def_Shell_Mode, "def_shell_mode"); + + Err : C_Int; + begin + case Mode is + when Curses => Err := Def_Prog_Mode; + when Shell => Err := Def_Shell_Mode; + end case; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Save_Curses_Mode; + + procedure Reset_Curses_Mode (Mode : in Curses_Mode) + is + function Reset_Prog_Mode return C_Int; + pragma Import (C, Reset_Prog_Mode, "reset_prog_mode"); + function Reset_Shell_Mode return C_Int; + pragma Import (C, Reset_Shell_Mode, "reset_shell_mode"); + + Err : C_Int; + begin + case Mode is + when Curses => Err := Reset_Prog_Mode; + when Shell => Err := Reset_Shell_Mode; + end case; + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Reset_Curses_Mode; + + procedure Save_Terminal_State + is + function Savetty return C_Int; + pragma Import (C, Savetty, "savetty"); + begin + if Savetty = Curses_Err then + raise Curses_Exception; + end if; + end Save_Terminal_State; + + procedure Reset_Terminal_State + is + function Resetty return C_Int; + pragma Import (C, Resetty, "resetty"); + begin + if Resetty = Curses_Err then + raise Curses_Exception; + end if; + end Reset_Terminal_State; + + procedure Rip_Off_Lines (Lines : in Integer; + Proc : in Stdscr_Init_Proc) + is + function Ripoffline (Lines : C_Int; + Proc : Stdscr_Init_Proc) return C_Int; + pragma Import (C, Ripoffline, "_nc_ripoffline"); + begin + if Ripoffline (C_Int (Lines), Proc) = Curses_Err then + raise Curses_Exception; + end if; + end Rip_Off_Lines; + + procedure Set_Cursor_Visibility (Visibility : in out Cursor_Visibility) + is + function Curs_Set (Curs : C_Int) return C_Int; + pragma Import (C, Curs_Set, "curs_set"); + + Res : C_Int; + begin + Res := Curs_Set (Cursor_Visibility'Pos (Visibility)); + if Res /= Curses_Err then + Visibility := Cursor_Visibility'Val (Res); + end if; + end Set_Cursor_Visibility; + + procedure Nap_Milli_Seconds (Ms : in Natural) + is + function Napms (Ms : C_Int) return C_Int; + pragma Import (C, Napms, "napms"); + begin + if Napms (C_Int (Ms)) = Curses_Err then + raise Curses_Exception; + end if; + end Nap_Milli_Seconds; +------------------------------------------------------------------------------ + + function Standard_Window return Window + is + Stdscr : Window; + pragma Import (C, Stdscr, "stdscr"); + begin + return Stdscr; + end Standard_Window; + + function Lines return Line_Count + is + C_Lines : C_Int; + pragma Import (C, C_Lines, "LINES"); + begin + return Line_Count (C_Lines); + end Lines; + + function Columns return Column_Count + is + C_Columns : C_Int; + pragma Import (C, C_Columns, "COLS"); + begin + return Column_Count (C_Columns); + end Columns; + + function Tab_Size return Natural + is + C_Tab_Size : C_Int; + pragma Import (C, C_Tab_Size, "TABSIZE"); + begin + return Natural (C_Tab_Size); + end Tab_Size; + + function Number_Of_Colors return Natural + is + C_Number_Of_Colors : C_Int; + pragma Import (C, C_Number_Of_Colors, "COLORS"); + begin + return Natural (C_Number_Of_Colors); + end Number_Of_Colors; + + function Number_Of_Color_Pairs return Natural + is + C_Number_Of_Color_Pairs : C_Int; + pragma Import (C, C_Number_Of_Color_Pairs, "COLOR_PAIRS"); + begin + return Natural (C_Number_Of_Color_Pairs); + end Number_Of_Color_Pairs; +------------------------------------------------------------------------------ + procedure Transform_Coordinates + (W : in Window := Standard_Window; + Line : in out Line_Position; + Column : in out Column_Position; + Dir : in Transform_Direction := From_Screen) + is + type Int_Access is access all C_Int; + function Transform (W : Window; + Y, X : Int_Access; + Dir : Curses_Bool) return C_Int; + pragma Import (C, Transform, "wmouse_trafo"); + + X : aliased C_Int := C_Int (Column); + Y : aliased C_Int := C_Int (Line); + D : Curses_Bool := Curses_Bool_False; + R : C_Int; + begin + if Dir = To_Screen then + D := 1; + end if; + R := Transform (W, Y'Access, X'Access, D); + if R = Curses_False then + raise Curses_Exception; + else + Line := Line_Position (Y); + Column := Column_Position (X); + end if; + end Transform_Coordinates; +------------------------------------------------------------------------------ + procedure Use_Default_Colors is + function C_Use_Default_Colors return C_Int; + pragma Import (C, C_Use_Default_Colors, "use_default_colors"); + Err : constant C_Int := C_Use_Default_Colors; + begin + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Use_Default_Colors; + + procedure Assume_Default_Colors (Fore : Color_Number := Default_Color; + Back : Color_Number := Default_Color) + is + function C_Assume_Default_Colors (Fore : C_Int; + Back : C_Int) return C_Int; + pragma Import (C, C_Assume_Default_Colors, "assume_default_colors"); + + Err : constant C_Int := C_Assume_Default_Colors (C_Int (Fore), + C_Int (Black)); + begin + if Err = Curses_Err then + raise Curses_Exception; + end if; + end Assume_Default_Colors; +------------------------------------------------------------------------------ + function Curses_Version return String + is + function curses_versionC return chars_ptr; + pragma Import (C, curses_versionC, "curses_version"); + Result : constant chars_ptr := curses_versionC; + begin + return Fill_String (Result); + end Curses_Version; +------------------------------------------------------------------------------ + function Use_Extended_Names (Enable : Boolean) return Boolean + is + function use_extended_namesC (e : Curses_Bool) return C_Int; + pragma Import (C, use_extended_namesC, "use_extended_names"); + + Res : constant C_Int := + use_extended_namesC (Curses_Bool (Boolean'Pos (Enable))); + begin + if Res = C_Int (Curses_Bool_False) then + return False; + else + return True; + end if; + end Use_Extended_Names; +------------------------------------------------------------------------------ + procedure Screen_Dump_To_File (Filename : in String) + is + function scr_dump (f : char_array) return C_Int; + pragma Import (C, scr_dump, "scr_dump"); + Txt : char_array (0 .. Filename'Length); + Length : size_t; + begin + To_C (Filename, Txt, Length); + if Curses_Err = scr_dump (Txt) then + raise Curses_Exception; + end if; + end Screen_Dump_To_File; + + procedure Screen_Restore_From_File (Filename : in String) + is + function scr_restore (f : char_array) return C_Int; + pragma Import (C, scr_restore, "scr_restore"); + Txt : char_array (0 .. Filename'Length); + Length : size_t; + begin + To_C (Filename, Txt, Length); + if Curses_Err = scr_restore (Txt) then + raise Curses_Exception; + end if; + end Screen_Restore_From_File; + + procedure Screen_Init_From_File (Filename : in String) + is + function scr_init (f : char_array) return C_Int; + pragma Import (C, scr_init, "scr_init"); + Txt : char_array (0 .. Filename'Length); + Length : size_t; + begin + To_C (Filename, Txt, Length); + if Curses_Err = scr_init (Txt) then + raise Curses_Exception; + end if; + end Screen_Init_From_File; + + procedure Screen_Set_File (Filename : in String) + is + function scr_set (f : char_array) return C_Int; + pragma Import (C, scr_set, "scr_set"); + Txt : char_array (0 .. Filename'Length); + Length : size_t; + begin + To_C (Filename, Txt, Length); + if Curses_Err = scr_set (Txt) then + raise Curses_Exception; + end if; + end Screen_Set_File; +------------------------------------------------------------------------------ + procedure Resize (Win : Window := Standard_Window; + Number_Of_Lines : Line_Count; + Number_Of_Columns : Column_Count) is + function wresize (win : Window; + lines : C_Int; + columns : C_Int) return C_Int; + pragma Import (C, wresize); + begin + if wresize (Win, + C_Int (Number_Of_Lines), + C_Int (Number_Of_Columns)) = Curses_Err then + raise Curses_Exception; + end if; + end Resize; +------------------------------------------------------------------------------ + +end Terminal_Interface.Curses; + |