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ada-git-code

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function Convert is new Ada.Unchecked_Conversion
(Source => Interfaces.C.unsigned_short, Target => Synchronization_Kind);
function Convert is new Ada.Unchecked_Conversion
(Source => Interfaces.C.unsigned_short, Target => Unsigned_16);
function Convert is new Ada.Unchecked_Conversion
(Source => Interfaces.C.unsigned_short, Target => Relative_Axis_Info_Kind);
function Convert is new Ada.Unchecked_Conversion
(Source => Unsigned_64, Target => Absolute_Axis_Info_Kind);
-- Convert to Absolute_Axis_Info_Kind first before converting to
-- Absolute_Axis_Kind, because the former has a representation clause
Event : Input_Event;
Result : Input_Dev.Result;
Has_Dropped : Boolean := False;
begin
loop
Result := Input_Dev.Read (Object.FD, Event);
if not Result.Is_Success then
if Result.Error = Would_Block then
return Would_Block;
else
Value := (others => <>);
return Error;
end if;
end if;
case Event.Event is
when Key =>
declare
Code : constant Key_Code := Key_Code (Unsigned_16'(Convert (Event.Code)));
begin
Value.Keys (Key_Code_Index (Code)) :=
(if Event.Value /= 0 then Pressed else Released);
Function Definition: procedure Info is
Function Body: package ACL renames Ada.Command_Line;
EF : Event_Device.Input_Device;
Do_Rumble : constant Boolean :=
ACL.Argument_Count = 2 and then ACL.Argument (2) = "--ff=rumble";
Do_Periodic : constant Boolean :=
ACL.Argument_Count = 2 and then ACL.Argument (2) = "--ff=periodic";
Do_Read : constant Boolean :=
ACL.Argument_Count = 2 and then ACL.Argument (2) = "--read";
begin
if ACL.Argument_Count /= 1 and not (Do_Rumble or Do_Periodic or Do_Read) then
Ada.Text_IO.Put_Line ("Usage: <path to /dev/input/event*> [--read|--ff=rumble|periodic]");
ACL.Set_Exit_Status (ACL.Failure);
return;
end if;
if not EF.Open (ACL.Argument (1)) then
Ada.Text_IO.Put_Line ("Cannot open device " & ACL.Argument (1));
ACL.Set_Exit_Status (ACL.Failure);
return;
end if;
Ada.Text_IO.Put_Line ("Device name: '" & EF.Name & "'");
Ada.Text_IO.Put_Line ("Location: '" & EF.Location & "'");
Ada.Text_IO.Put_Line ("Uniq ID: '" & EF.Unique_ID & "'");
declare
ID : constant Event_Device.Device_ID := EF.ID;
Props : constant Event_Device.Device_Properties := EF.Properties;
Events : constant Event_Device.Device_Events := EF.Events;
ID_A : constant String := Event_Device.Hex_Image (ID.Bus);
ID_B : constant String := Event_Device.Hex_Image (ID.Vendor);
ID_C : constant String := Event_Device.Hex_Image (ID.Product);
ID_D : constant String := Event_Device.Hex_Image (ID.Version);
begin
Ada.Text_IO.Put_Line ("Bus ven pro ver: " &
ID_A & " " & ID_B & " " & ID_C & " " & ID_D);
Ada.Text_IO.Put_Line ("GUID: " & Event_Device.GUID (ID));
Ada.Text_IO.Put_Line ("Properties:");
Ada.Text_IO.Put_Line (" Pointer: " & Props.Pointer'Image);
Ada.Text_IO.Put_Line (" Direct: " & Props.Direct'Image);
Ada.Text_IO.Put_Line (" Button pad: " & Props.Button_Pad'Image);
Ada.Text_IO.Put_Line (" Semi mt: " & Props.Semi_Multi_Touch'Image);
Ada.Text_IO.Put_Line (" Top button pad: " & Props.Top_Button_Pad'Image);
Ada.Text_IO.Put_Line (" Pointing stick: " & Props.Pointing_Stick'Image);
Ada.Text_IO.Put_Line (" Accelerometer: " & Props.Accelerometer'Image);
Ada.Text_IO.Put_Line ("Events:");
Ada.Text_IO.Put_Line (" Synchronization: " & Events.Synchronization'Image);
if Events.Synchronization then
declare
Features : constant Event_Device.Synchronization_Features := EF.Features;
begin
for K in Event_Device.Synchronization_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;