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--- -*- ada -*-
-define(`HTMLNAME',`terminal_interface-curses-mouse__ads.htm')dnl
-include(M4MACRO)dnl
-------------------------------------------------------------------------------
--- --
--- GNAT ncurses Binding --
--- --
--- Terminal_Interface.Curses.Mouse --
--- --
--- S P E C --
--- --
-------------------------------------------------------------------------------
--- 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 <juergen.pfeifer@gmx.net> 1996
--- Version Control:
--- $Revision$
--- Binding Version 01.00
-------------------------------------------------------------------------------
-include(`Mouse_Base_Defs')
-with System;
-
-package Terminal_Interface.Curses.Mouse is
- pragma Preelaborate (Terminal_Interface.Curses.Mouse);
-
- -- MANPAGE(`curs_mouse.3x')
- -- Please note, that in ncurses-1.9.9e documentation mouse support
- -- is still marked as experimental. So also this binding will change
- -- if the ncurses methods change.
- --
- type Event_Mask is private;
- No_Events : constant Event_Mask;
- All_Events : constant Event_Mask;
-
- type Mouse_Button is (Left, -- aka: Button 1
- Middle, -- aka: Button 2
- Right, -- aka: Button 3
- Button4, -- aka: Button 4
- Control, -- Control Key
- Shift, -- Shift Key
- Alt); -- ALT Key
-
- subtype Real_Buttons is Mouse_Button range Left .. Button4;
- subtype Modifier_Keys is Mouse_Button range Control .. Alt;
-
- type Button_State is (Released,
- Pressed,
- Clicked,
- Double_Clicked,
- Triple_Clicked);
-
- type Button_States is array (Button_State) of Boolean;
- pragma Pack (Button_States);
-
- All_Clicks : constant Button_States := (Clicked .. Triple_Clicked => True,
- others => False);
- All_States : constant Button_States := (others => True);
-
- type Mouse_Event is private;
-
- -- MANPAGE(`curs_mouse.3x')
-
- function Has_Mouse return Boolean;
- -- Return true if a mouse device is supported, false otherwise.
-
- procedure Register_Reportable_Event
- (Button : in Mouse_Button;
- State : in Button_State;
- Mask : in out Event_Mask);
- -- Stores the event described by the button and the state in the mask.
- -- Before you call this the first time, you should init the mask
- -- with the Empty_Mask constant
- pragma Inline (Register_Reportable_Event);
-
- procedure Register_Reportable_Events
- (Button : in Mouse_Button;
- State : in Button_States;
- Mask : in out Event_Mask);
- -- Register all events described by the Button and the State bitmap.
- -- Before you call this the first time, you should init the mask
- -- with the Empty_Mask constant
-
- -- ANCHOR(`mousemask()',`Start_Mouse')
- -- There is one difference to mousmask(): we return the value of the
- -- old mask, that means the event mask value before this call.
- function Start_Mouse (Mask : Event_Mask := All_Events)
- return Event_Mask;
- -- AKA
- pragma Inline (Start_Mouse);
-
- procedure End_Mouse (Mask : in Event_Mask := No_Events);
- -- Terminates the mouse, restores the specified event mask
- pragma Inline (End_Mouse);
-
- -- ANCHOR(`getmouse()',`Get_Mouse')
- function Get_Mouse return Mouse_Event;
- -- AKA
- pragma Inline (Get_Mouse);
-
- procedure Get_Event (Event : in Mouse_Event;
- Y : out Line_Position;
- X : out Column_Position;
- Button : out Mouse_Button;
- State : out Button_State);
- -- !!! Warning: X and Y are screen coordinates. Due to ripped of lines they
- -- may not be identical to window coordinates.
- pragma Inline (Get_Event);
-
- -- ANCHOR(`ungetmouse()',`Unget_Mouse')
- procedure Unget_Mouse (Event : in Mouse_Event);
- -- AKA
- pragma Inline (Unget_Mouse);
-
- -- ANCHOR(`wenclose()',`Enclosed_In_Window')
- function Enclosed_In_Window (Win : Window := Standard_Window;
- Event : Mouse_Event) return Boolean;
- -- AKA
- -- But : use event instead of screen coordinates.
- pragma Inline (Enclosed_In_Window);
-
- -- ANCHOR(`mouseinterval()',`Mouse_Interval')
- function Mouse_Interval (Msec : Natural := 200) return Natural;
- -- AKA
- pragma Inline (Mouse_Interval);
-
-private
- type Event_Mask is new Interfaces.C.unsigned_long;
-
- type Mouse_Event is
- record
- Id : Integer range Integer (Interfaces.C.short'First) ..
- Integer (Interfaces.C.short'Last);
- X, Y, Z : Integer range Integer (Interfaces.C.int'First) ..
- Integer (Interfaces.C.int'Last);
- Bstate : Event_Mask;
- end record;
- pragma Convention (C, Mouse_Event);
- pragma Pack (Mouse_Event);
-
-include(`Mouse_Event_Rep')
- Generation_Bit_Order : constant System.Bit_Order := System.M4_BIT_ORDER;
- -- This constant may be different on your system.
-
-include(`Mouse_Events')
-
- No_Events : constant Event_Mask := 0;
- All_Events : constant Event_Mask := ALL_MOUSE_EVENTS;
-
-end Terminal_Interface.Curses.Mouse;