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top - downloadIndex: ┃ T V ┃
Length: 17732 (0x4544)
Types: TextFile
Names: »V«
└─⟦85b835f43⟧ Bits:30000549 8mm tape, Rational 1000, Xlib rev 6.00
└─ ⟦0c20f784e⟧ »DATA«
└─⟦1abbe589f⟧
└─⟦059497ac5⟧
└─⟦this⟧
with Xlbt_Arithmetic;
use Xlbt_Arithmetic;
with Xlbt_Basic;
use Xlbt_Basic;
with Xlbt_Display2;
use Xlbt_Display2;
with Xlbt_Error;
use Xlbt_Error;
with Xlbt_Extension;
use Xlbt_Extension;
with Xlbt_Event;
use Xlbt_Event;
with Xlbt_Font;
use Xlbt_Font;
with Xlbt_Request;
use Xlbt_Request;
with Xlbt_String;
use Xlbt_String;
with Xlbt_Visual;
use Xlbt_Visual;
with Xlbp_Proc_Var;
use Xlbp_Proc_Var;
package Xlbp_Extension is
------------------------------------------------------------------------------
-- X Library Extensions
--
-- Xlbp_Extension - Used to establish and control extensions to the X Library
-- and to the X protocol.
------------------------------------------------------------------------------
-- Copyright 1989 - 1991 by Rational, Santa Clara, California.
-- Copyright 1985 - 1989 by the Massachusetts Institute of Technology
--
-- All Rights Reserved.
--
-- Permission to use, copy, modify, and distribute this software and its
-- documentation for any purpose and without fee is hereby granted,
-- provided that the above copyright notice(s) appear in all copies and that
-- both that copyright notice(s) and this permission notice appear in
-- supporting documentation, and that the names of MIT or Rational not be
-- used in advertising or publicity pertaining to distribution of the software
-- without specific, written prior permission.
--
-- MIT and Rational disclaim all warranties with regard to this software,
-- including all implied warranties of merchantability and fitness, in no
-- event shall MIT or Rational be liable for any special, indirect or
-- consequential damages or any damages whatsoever resulting from loss of use,
-- data or profits, whether in an action of contract, negligence or other
-- tortious action, arising out of or in connection with the use or performance
-- of this software.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Extension Query Routines
------------------------------------------------------------------------------
procedure X_Query_Extension (Display : X_Display;
Name : X_String;
Major_Opcode : out X_Request_Code;
First_Event : out X_Event_Code;
First_Error : out X_Error_Code;
Present : out Boolean;
Status : out X_Status);
------------------------------------------------------------------------------
-- Display - Specifies the display to use.
-- Name - Specifies the name of the extension. Upper/Lower case does
-- matter.
-- Major_Opcode- Receives the major opcode for the extension if it has one;
-- otherwise 0.
-- First_Event - Receives the base event code for the extension if it has one;
-- otherwise None_X_Event_Code.
-- First_Error - Receives the base error code for the extension if it has one;
-- otherwise None_X_Error_Code.
-- Status - Receives Successful if the extension exists; Failed if not.
--
-- Determines whether or not the named extension is present in the X server.
------------------------------------------------------------------------------
function X_List_Extensions (Display : X_Display)
return X_String_Pointer_List;
------------------------------------------------------------------------------
-- Display - Specifies the display to use.
--
-- Returns an empty array if there are no extensions; otherwise returns an
-- array of extension names. Use the routine Free_X_Extension_List to
-- release the storage used by the list when it is no longer needed.
------------------------------------------------------------------------------
procedure Free_X_Extension_List (List : in out X_String_Pointer_List)
renames Free_X_String_Pointer_List;
------------------------------------------------------------------------------
-- List - Specifies the list that is to be freed
--
-- The X_List_Extensions function returns a list of extension names. Call
-- this routine to free that list when it is no longer needed.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Extension Establishment Routines
------------------------------------------------------------------------------
function X_Init_Extension (Display : X_Display;
Name : X_String) return X_Ext_Codes;
------------------------------------------------------------------------------
-- Display - Specifies the display to use.
-- Name - Specifies the name of the extension.
--
-- Calls X_Query_Extension to see if the extension exists. If it does then it
-- allocates storage for maintaining the extension information on the
-- connection; it chains this onto the extension list for the X_Display; and it
-- returns the info the stub implementor will need to access the extension.
------------------------------------------------------------------------------
function X_Add_Extension (Display : X_Display) return X_Ext_Codes;
------------------------------------------------------------------------------
-- Display - Specifies the display to use
--
-- Allocates and initializes the X_Ext_Codes structure for a local X Library
-- extension that does not require special server support.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Extension Procedural Hooks - DISPLAYs
------------------------------------------------------------------------------
function X_E_Set_Close_Display
(Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Close_Display_Extension.Pv)
return Proc_Var_X_Close_Display_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in the routine to be called when a display connection is closed.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Extension Procedural Hooks - FONTs
------------------------------------------------------------------------------
function X_E_Set_Create_Font
(Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Display_Font_Extension.Pv)
return Proc_Var_X_Display_Font_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in a routine to call when a Font is created.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
function X_E_Set_Free_Font
(Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Display_Font_Extension.Pv)
return Proc_Var_X_Display_Font_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in a routine to call when a Font is freed.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Extension Procedural Hooks - GCs
------------------------------------------------------------------------------
function X_E_Set_Copy_Gc
(Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Display_Gc_Extension.Pv)
return Proc_Var_X_Display_Gc_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in the routine to call when a GC is copied.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
function X_E_Set_Create_Gc (Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Display_Gc_Extension.Pv)
return Proc_Var_X_Display_Gc_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in the routine to call when a GC is created.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
function X_E_Set_Flush_Gc (Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Display_Gc_Extension.Pv)
return Proc_Var_X_Display_Gc_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in a routine to call when a GC is flushed.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
function X_E_Set_Free_Gc (Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Display_Gc_Extension.Pv)
return Proc_Var_X_Display_Gc_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in the routine to call when a GC is freed.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Extension Procedural Hooks - EVENTs
------------------------------------------------------------------------------
function X_E_Set_Wire_To_Event (Display : X_Display;
Event : X_Event_Code;
Proc : Proc_Var_X_Wire_Event.Pv)
return Proc_Var_X_Wire_Event.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Event - Specifies the event code to be modified.
-- Proc - Specifies the routine to call.
--
-- Hooks in a Wire-to-Event translation routine.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
function X_E_Set_Event_To_Wire (Display : X_Display;
Event : X_Event_Code;
Proc : Proc_Var_X_Event_Wire.Pv)
return Proc_Var_X_Event_Wire.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Event - Specifies the event code to be modified.
-- Proc - Specifies the routine to call.
--
-- Hooks in an Event-to-Wire translation routine.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Extension Procedural Hooks - ERRORs
------------------------------------------------------------------------------
function X_E_Set_Error (Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Error_Extension.Pv)
return Proc_Var_X_Error_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in routine to call when an X protocol error occurs.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
function X_E_Set_Error_String
(Display : X_Display;
Extension : X_Extension_Number;
Proc : Proc_Var_X_Error_String_Extension.Pv)
return Proc_Var_X_Error_String_Extension.Pv;
------------------------------------------------------------------------------
-- Display - Specifies the display involved.
-- Extension - Specifies the extension number.
-- Proc - Specifies the routine to call.
--
-- Hooks in routine to call when an error needs to be turned into a string.
-- Returns the previously hooked routine.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Extension Data Hooks
------------------------------------------------------------------------------
procedure X_Add_To_Extension_List
(Structure : X_Display; -- X_Display
Ext_Data : X_Ext_Data);
procedure X_Add_To_Extension_List
(Structure : X_Font_Struct; -- X_Font_Struct
Ext_Data : X_Ext_Data);
procedure X_Add_To_Extension_List
(Structure : X_Gc; -- X_Gc
Ext_Data : X_Ext_Data);
procedure X_Add_To_Extension_List
(Structure : X_Screen; -- X_Screen
Ext_Data : X_Ext_Data);
procedure X_Add_To_Extension_List
(Structure : X_Screen_Format; -- X_Screen_Format
Ext_Data : X_Ext_Data);
procedure X_Add_To_Extension_List
(Structure : X_Visual; -- X_Visual
Ext_Data : X_Ext_Data);
------------------------------------------------------------------------------
-- Structure - Specifies the structure to receive the Ext_Data.
-- Ext_Data - Specifies the X_Ext_Data to hang upon the Structure.
--
-- Set the X_Extension_Number within the X_Ext_Data before calling this
-- routine to add the X_Ext_Data to the structure.
------------------------------------------------------------------------------
function X_Find_On_Extension_List
(Structure : X_Display; -- X_Display
Extension : X_Extension_Number) return X_Ext_Data;
function X_Find_On_Extension_List
(Structure : X_Font_Struct; -- X_Font_Struct
Extension : X_Extension_Number) return X_Ext_Data;
function X_Find_On_Extension_List
(Structure : X_Gc; -- X_Gc
Extension : X_Extension_Number) return X_Ext_Data;
function X_Find_On_Extension_List
(Structure : X_Screen; -- X_Screen
Extension : X_Extension_Number) return X_Ext_Data;
function X_Find_On_Extension_List
(Structure : X_Screen_Format; -- X_Screen_Format
Extension : X_Extension_Number) return X_Ext_Data;
function X_Find_On_Extension_List
(Structure : X_Visual; -- X_Visual
Extension : X_Extension_Number) return X_Ext_Data;
------------------------------------------------------------------------------
-- Structure - Specifies the structure to examine for the Ext_Data.
-- Extension - Specifies the extension number to look for.
--
-- Returns None_X_Ext_Data or else the X_Ext_Data on the Structure that has the
-- specified extension number.
------------------------------------------------------------------------------
--\f
------------------------------------------------------------------------------
-- Special X Library Control Routines
------------------------------------------------------------------------------
function X_Alloc_Id (Display : X_Display) return X_Id;
------------------------------------------------------------------------------
-- Display - Specifies the display to use.
--
-- Request and allocate an X_Id for a new resource on a given display.
------------------------------------------------------------------------------
--\f
end Xlbp_Extension;