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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) 1998-2011,2014 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
-- Version Control:
-- $Revision: 1.31 $
-- $Date: 2014/05/24 21:31:57 $
-- Binding Version 01.00
------------------------------------------------------------------------------
with System;
package Terminal_Interface.Curses.Mouse is
pragma Preelaborate (Terminal_Interface.Curses.Mouse);
-- MANPAGE(`curs_mouse.3x')
-- mouse_trafo, wmouse_trafo are implemented as Transform_Coordinates
-- in the parent package.
--
-- Not implemented:
-- REPORT_MOUSE_POSITION (i.e. as a parameter to Register_Reportable_Event
-- or Start_Mouse)
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 : Mouse_Button;
State : 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 initialize the mask
-- with the Empty_Mask constant
pragma Inline (Register_Reportable_Event);
procedure Register_Reportable_Events
(Button : Mouse_Button;
State : 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 initialize 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.
-- Not Implemented: The library version
-- returns a Mouse_Mask that tells which events are reported.
function Start_Mouse (Mask : Event_Mask := All_Events)
return Event_Mask;
-- AKA
pragma Inline (Start_Mouse);
procedure End_Mouse (Mask : 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 : 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.
-- Not Implemented: Get_Event only reports one event, the C library
-- version supports multiple events, e.g. {click-1, click-3}
pragma Inline (Get_Event);
-- ANCHOR(`ungetmouse()',`Unget_Mouse')
procedure Unget_Mouse (Event : 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);
for Mouse_Event use
record
Id at 0 range Curses_Constants.MEVENT_id_First
.. Curses_Constants.MEVENT_id_Last;
X at 0 range Curses_Constants.MEVENT_x_First
.. Curses_Constants.MEVENT_x_Last;
Y at 0 range Curses_Constants.MEVENT_y_First
.. Curses_Constants.MEVENT_y_Last;
Z at 0 range Curses_Constants.MEVENT_z_First
.. Curses_Constants.MEVENT_z_Last;
Bstate at 0 range Curses_Constants.MEVENT_bstate_First
.. Curses_Constants.MEVENT_bstate_Last;
end record;
for Mouse_Event'Size use Curses_Constants.MEVENT_Size;
Generation_Bit_Order : System.Bit_Order renames Curses_Constants.Bit_Order;
BUTTON_CTRL : constant Event_Mask := Curses_Constants.BUTTON_CTRL;
BUTTON_SHIFT : constant Event_Mask := Curses_Constants.BUTTON_SHIFT;
BUTTON_ALT : constant Event_Mask := Curses_Constants.BUTTON_ALT;
BUTTON1_EVENTS : constant Event_Mask
:= Curses_Constants.all_events_button_1;
BUTTON2_EVENTS : constant Event_Mask
:= Curses_Constants.all_events_button_2;
BUTTON3_EVENTS : constant Event_Mask
:= Curses_Constants.all_events_button_3;
BUTTON4_EVENTS : constant Event_Mask
:= Curses_Constants.all_events_button_4;
ALL_MOUSE_EVENTS : constant Event_Mask := Curses_Constants.ALL_MOUSE_EVENTS;
No_Events : constant Event_Mask := 0;
All_Events : constant Event_Mask := ALL_MOUSE_EVENTS;
end Terminal_Interface.Curses.Mouse;
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