X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=doc%2Fhtml%2Fada%2Fterminal_interface-curses-mouse__adb.htm;h=522656805e8b1bdfd1441e84045a199368797df1;hb=7eb4be765b131f00ac3da7ce8cfd3bc6759d26c5;hp=4312cbf1bc01b25a30f8ba8f6fe552678b92c723;hpb=a8987e73ec254703634802b4f7ee30d3a485524d;p=ncurses.git
diff --git a/doc/html/ada/terminal_interface-curses-mouse__adb.htm b/doc/html/ada/terminal_interface-curses-mouse__adb.htm
index 4312cbf1..52265680 100644
--- a/doc/html/ada/terminal_interface-curses-mouse__adb.htm
+++ b/doc/html/ada/terminal_interface-curses-mouse__adb.htm
@@ -1,3 +1,4 @@
+
terminal_interface-curses-mouse.adb
File : terminal_interface-curses-mouse.adb
@@ -11,7 +12,7 @@
-- B O D Y --
-- --
------------------------------------------------------------------------------
--- Copyright (c) 1998 Free Software Foundation, Inc. --
+-- Copyright (c) 1998,2004 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 --
@@ -39,181 +40,187 @@
------------------------------------------------------------------------------
-- Author: Juergen Pfeifer, 1996
-- Version Control:
--- @Revision: 1.18 @
+-- @Revision: 1.21 @
+-- @Date: 2004/08/21 21:37:00 @
-- Binding Version 01.00
------------------------------------------------------------------------------
with System;
-with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
-with Interfaces.C; use Interfaces.C;
-use Interfaces;
+with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
+with Interfaces.C; use Interfaces.C;
+use Interfaces;
-package body Terminal_Interface.Curses.Mouse is
+package body Terminal_Interface.Curses.Mouse is
use type System.Bit_Order;
- use type Interfaces.C.int;
+ use type Interfaces.C.int;
- function Has_Mouse return Boolean
+ function Has_Mouse return Boolean
is
- function Mouse_Avail return C_Int;
- pragma Import (C, Mouse_Avail, "_nc_has_mouse");
+ function Mouse_Avail return C_Int;
+ pragma Import (C, Mouse_Avail, "_nc_has_mouse");
begin
- if Has_Key (Key_Mouse) or else Mouse_Avail /= 0 then
+ if Has_Key (Key_Mouse) or else Mouse_Avail /= 0 then
return True;
else
return False;
end if;
- end Has_Mouse;
+ end Has_Mouse;
- function Get_Mouse return Mouse_Event
+ function Get_Mouse return Mouse_Event
is
- type Event_Access is access all Mouse_Event;
+ type Event_Access is access all Mouse_Event;
- function Getmouse (Ev : Event_Access) return C_Int;
- pragma Import (C, Getmouse, "getmouse");
+ function Getmouse (Ev : Event_Access) return C_Int;
+ pragma Import (C, Getmouse, "getmouse");
- Event : aliased Mouse_Event;
+ Event : aliased Mouse_Event;
begin
- if Getmouse (Event'Access) = Curses_Err then
- raise Curses_Exception;
+ if Getmouse (Event'Access) = Curses_Err then
+ raise Curses_Exception;
end if;
- return Event;
- end Get_Mouse;
+ return Event;
+ end Get_Mouse;
- procedure Register_Reportable_Event (Button : in Mouse_Button;
- State : in Button_State;
- Mask : in out Event_Mask)
+ procedure Register_Reportable_Event (Button : in Mouse_Button;
+ State : in Button_State;
+ Mask : in out Event_Mask)
is
- Button_Nr : constant Natural := Mouse_Button'Pos (Button);
- State_Nr : constant Natural := Button_State'Pos (State);
+ Button_Nr : constant Natural := Mouse_Button'Pos (Button);
+ State_Nr : constant Natural := Button_State'Pos (State);
begin
- if Button in Modifier_Keys and then State /= Pressed then
- raise Curses_Exception;
+ if Button in Modifier_Keys and then State /= Pressed then
+ raise Curses_Exception;
else
- if Button in Real_Buttons then
- Mask := Mask or ((2 ** (6 * Button_Nr)) ** State_Nr);
+ if Button in Real_Buttons then
+ Mask := Mask or ((2 ** (6 * Button_Nr)) ** State_Nr);
else
- Mask := Mask or (BUTTON_CTRL ** (Button_Nr - 4));
+ Mask := Mask or (BUTTON_CTRL ** (Button_Nr - 4));
end if;
end if;
- end Register_Reportable_Event;
+ end Register_Reportable_Event;
- procedure Register_Reportable_Events (Button : in Mouse_Button;
- State : in Button_States;
- Mask : in out Event_Mask)
+ procedure Register_Reportable_Events (Button : in Mouse_Button;
+ State : in Button_States;
+ Mask : in out Event_Mask)
is
begin
- for S in Button_States'Range loop
- if State (S) then
- Register_Reportable_Event (Button, S, Mask);
+ for S in Button_States'Range loop
+ if State (S) then
+ Register_Reportable_Event (Button, S, Mask);
end if;
end loop;
- end Register_Reportable_Events;
+ end Register_Reportable_Events;
- function Start_Mouse (Mask : Event_Mask := All_Events)
- return Event_Mask
+ function Start_Mouse (Mask : Event_Mask := All_Events)
+ return Event_Mask
is
- function MMask (M : Event_Mask;
- O : access Event_Mask) return Event_Mask;
- pragma Import (C, MMask, "mousemask");
- R : Event_Mask;
- Old : aliased Event_Mask;
+ function MMask (M : Event_Mask;
+ O : access Event_Mask) return Event_Mask;
+ pragma Import (C, MMask, "mousemask");
+ R : Event_Mask;
+ Old : aliased Event_Mask;
begin
- R := MMask (Mask, Old'Access);
- return Old;
- end Start_Mouse;
+ R := MMask (Mask, Old'Access);
+ if R = No_Events then
+ Beep;
+ end if;
+ return Old;
+ end Start_Mouse;
- procedure End_Mouse (Mask : in Event_Mask := No_Events)
+ procedure End_Mouse (Mask : in Event_Mask := No_Events)
is
begin
- null;
- end End_Mouse;
+ if Mask /= No_Events then
+ Beep;
+ end if;
+ end End_Mouse;
- procedure Dispatch_Event (Mask : in Event_Mask;
- Button : out Mouse_Button;
- State : out Button_State);
+ procedure Dispatch_Event (Mask : in Event_Mask;
+ Button : out Mouse_Button;
+ State : out Button_State);
- procedure Dispatch_Event (Mask : in Event_Mask;
- Button : out Mouse_Button;
- State : out Button_State) is
- L : Event_Mask;
+ procedure Dispatch_Event (Mask : in Event_Mask;
+ Button : out Mouse_Button;
+ State : out Button_State) is
+ L : Event_Mask;
begin
- Button := Alt; -- preset to non real button;
- if (Mask and BUTTON1_EVENTS) /= 0 then
- Button := Left;
- elsif (Mask and BUTTON2_EVENTS) /= 0 then
- Button := Middle;
- elsif (Mask and BUTTON3_EVENTS) /= 0 then
- Button := Right;
- elsif (Mask and BUTTON4_EVENTS) /= 0 then
- Button := Button4;
+ Button := Alt; -- preset to non real button;
+ if (Mask and BUTTON1_EVENTS) /= 0 then
+ Button := Left;
+ elsif (Mask and BUTTON2_EVENTS) /= 0 then
+ Button := Middle;
+ elsif (Mask and BUTTON3_EVENTS) /= 0 then
+ Button := Right;
+ elsif (Mask and BUTTON4_EVENTS) /= 0 then
+ Button := Button4;
end if;
- if Button in Real_Buttons then
- L := 2 ** (6 * Mouse_Button'Pos (Button));
- for I in Button_State'Range loop
- if (Mask and L) /= 0 then
- State := I;
+ if Button in Real_Buttons then
+ L := 2 ** (6 * Mouse_Button'Pos (Button));
+ for I in Button_State'Range loop
+ if (Mask and L) /= 0 then
+ State := I;
exit;
end if;
- L := 2 * L;
+ L := 2 * L;
end loop;
else
- State := Pressed;
- if (Mask and BUTTON_CTRL) /= 0 then
- Button := Control;
- elsif (Mask and BUTTON_SHIFT) /= 0 then
- Button := Shift;
- elsif (Mask and BUTTON_ALT) /= 0 then
- Button := Alt;
+ State := Pressed;
+ if (Mask and BUTTON_CTRL) /= 0 then
+ Button := Control;
+ elsif (Mask and BUTTON_SHIFT) /= 0 then
+ Button := Shift;
+ elsif (Mask and BUTTON_ALT) /= 0 then
+ Button := Alt;
end if;
end if;
- end Dispatch_Event;
+ end Dispatch_Event;
- procedure Get_Event (Event : in Mouse_Event;
- Y : out Line_Position;
- X : out Column_Position;
- Button : out Mouse_Button;
- State : out Button_State)
+ procedure Get_Event (Event : in Mouse_Event;
+ Y : out Line_Position;
+ X : out Column_Position;
+ Button : out Mouse_Button;
+ State : out Button_State)
is
- Mask : constant Event_Mask := Event.Bstate;
+ Mask : constant Event_Mask := Event.Bstate;
begin
- X := Column_Position (Event.X);
- Y := Line_Position (Event.Y);
- Dispatch_Event (Mask, Button, State);
- end Get_Event;
+ X := Column_Position (Event.X);
+ Y := Line_Position (Event.Y);
+ Dispatch_Event (Mask, Button, State);
+ end Get_Event;
- procedure Unget_Mouse (Event : in Mouse_Event)
+ procedure Unget_Mouse (Event : in Mouse_Event)
is
- function Ungetmouse (Ev : Mouse_Event) return C_Int;
- pragma Import (C, Ungetmouse, "ungetmouse");
+ function Ungetmouse (Ev : Mouse_Event) return C_Int;
+ pragma Import (C, Ungetmouse, "ungetmouse");
begin
- if Ungetmouse (Event) = Curses_Err then
- raise Curses_Exception;
+ if Ungetmouse (Event) = Curses_Err then
+ raise Curses_Exception;
end if;
- end Unget_Mouse;
+ end Unget_Mouse;
- function Enclosed_In_Window (Win : Window := Standard_Window;
- Event : Mouse_Event) return Boolean
+ function Enclosed_In_Window (Win : Window := Standard_Window;
+ Event : Mouse_Event) return Boolean
is
- function Wenclose (Win : Window; Y : C_Int; X : C_Int)
- return Curses_Bool;
- pragma Import (C, Wenclose, "wenclose");
+ function Wenclose (Win : Window; Y : C_Int; X : C_Int)
+ return Curses_Bool;
+ pragma Import (C, Wenclose, "wenclose");
begin
- if Wenclose (Win, C_Int (Event.Y), C_Int (Event.X))
- = Curses_Bool_False then
+ if Wenclose (Win, C_Int (Event.Y), C_Int (Event.X))
+ = Curses_Bool_False then
return False;
else
return True;
end if;
- end Enclosed_In_Window;
+ end Enclosed_In_Window;
- function Mouse_Interval (Msec : Natural := 200) return Natural
+ function Mouse_Interval (Msec : Natural := 200) return Natural
is
- function Mouseinterval (Msec : C_Int) return C_Int;
- pragma Import (C, Mouseinterval, "mouseinterval");
+ function Mouseinterval (Msec : C_Int) return C_Int;
+ pragma Import (C, Mouseinterval, "mouseinterval");
begin
- return Natural (Mouseinterval (C_Int (Msec)));
- end Mouse_Interval;
+ return Natural (Mouseinterval (C_Int (Msec)));
+ end Mouse_Interval;
-end Terminal_Interface.Curses.Mouse;
+end Terminal_Interface.Curses.Mouse;