diff options
Diffstat (limited to 'ncurses-5.3/Ada95/src/terminal_interface-curses-mouse.adb')
| -rw-r--r-- | ncurses-5.3/Ada95/src/terminal_interface-curses-mouse.adb | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/ncurses-5.3/Ada95/src/terminal_interface-curses-mouse.adb b/ncurses-5.3/Ada95/src/terminal_interface-curses-mouse.adb deleted file mode 100644 index 29275cb..0000000 --- a/ncurses-5.3/Ada95/src/terminal_interface-curses-mouse.adb +++ /dev/null @@ -1,215 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT ncurses Binding -- --- -- --- Terminal_Interface.Curses.Mouse -- --- -- --- 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; use Terminal_Interface.Curses.Aux; -with Interfaces.C; use Interfaces.C; -use Interfaces; - -package body Terminal_Interface.Curses.Mouse is - - use type System.Bit_Order; - use type Interfaces.C.int; - - function Has_Mouse return Boolean - is - 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 - return True; - else - return False; - end if; - end Has_Mouse; - - function Get_Mouse return Mouse_Event - is - type Event_Access is access all Mouse_Event; - - function Getmouse (Ev : Event_Access) return C_Int; - pragma Import (C, Getmouse, "getmouse"); - - Event : aliased Mouse_Event; - begin - if Getmouse (Event'Access) = Curses_Err then - raise Curses_Exception; - end if; - return Event; - end Get_Mouse; - - 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); - begin - 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); - else - Mask := Mask or (BUTTON_CTRL ** (Button_Nr - 4)); - end if; - end if; - end Register_Reportable_Event; - - 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); - end if; - end loop; - end Register_Reportable_Events; - - 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; - begin - R := MMask (Mask, Old'Access); - return Old; - end Start_Mouse; - - procedure End_Mouse (Mask : in Event_Mask := No_Events) - is - begin - null; - 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) 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; - 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; - exit; - end if; - 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; - end if; - end if; - 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) - is - 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; - - procedure Unget_Mouse (Event : in Mouse_Event) - is - function Ungetmouse (Ev : Mouse_Event) return C_Int; - pragma Import (C, Ungetmouse, "ungetmouse"); - begin - if Ungetmouse (Event) = Curses_Err then - raise Curses_Exception; - end if; - end Unget_Mouse; - - 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"); - begin - 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; - - function Mouse_Interval (Msec : Natural := 200) return Natural - is - function Mouseinterval (Msec : C_Int) return C_Int; - pragma Import (C, Mouseinterval, "mouseinterval"); - begin - return Natural (Mouseinterval (C_Int (Msec))); - end Mouse_Interval; - -end Terminal_Interface.Curses.Mouse; |