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447 | -- SPDX-License-Identifier: Apache-2.0
--
-- Copyright (c) 2018 - 2019 Joakim Strandberg <joakim@mequinox.se>
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
with Ada.Containers.Vectors;
with Ada.Characters.Latin_1;
with Ada.Exceptions;
with Ada.Strings.Unbounded;
with Ada.Text_IO;
with Wayland.Enums.Client;
with Wayland.Protocols.Client;
with Wayland.Protocols.Presentation_Time;
package body Wayland_Ada_Info_Events is
package WE renames Wayland.Enums;
package WP renames Wayland.Protocols;
procedure Put_Line (Value : String) renames Ada.Text_IO.Put_Line;
procedure Put (Value : String) renames Ada.Text_IO.Put;
package L1 renames Ada.Characters.Latin_1;
package SU renames Ada.Strings.Unbounded;
function "+" (Value : SU.Unbounded_String) return String renames SU.To_String;
function "+" (Value : String) return SU.Unbounded_String renames SU.To_Unbounded_String;
Wayland_Error : exception;
use Wayland;
use type SU.Unbounded_String;
use all type WP.Client.Keyboard;
use all type WP.Client.Seat;
use all type WP.Client.Output;
use type WE.Client.Shm_Format;
Compositor : WP.Client.Compositor;
Shm : WP.Client.Shm;
Display : WP.Client.Display;
Registry : WP.Client.Registry;
Presentation : WP.Presentation_Time.Presentation;
type Interface_Data is record
Name : SU.Unbounded_String;
Id : Unsigned_32;
Version : Unsigned_32;
end record;
type Seat_Data is limited record
Keyboard : WP.Client.Keyboard;
Seat : WP.Client.Seat;
Name : SU.Unbounded_String;
Capabilities : WE.Client.Seat_Capability := (others => False);
Keyboard_Rate : Integer := Integer'First;
Keyboard_Delay : Integer := Integer'First;
end record;
type Output_Data is limited record
Output : WP.Client.Output;
-- Geometry
X, Y : Integer;
Physical_Width : Natural;
Physical_Height : Natural;
Subpixel : WE.Client.Output_Subpixel;
Make : SU.Unbounded_String;
Model : SU.Unbounded_String;
Transform : WE.Client.Output_Transform;
-- Mode
Flags : WE.Client.Output_Mode;
Width : Natural;
Height : Natural;
Refresh : Positive;
-- Scale
Factor : Positive := 1;
end record;
package Interface_Vectors is new Ada.Containers.Vectors
(Positive, Interface_Data);
package Format_Vectors is new Ada.Containers.Vectors
(Positive, WE.Client.Shm_Format);
Interfaces : Interface_Vectors.Vector;
Formats : Format_Vectors.Vector;
-- Arbitrary maximum of 4 seats
Seats : array (1 .. 4) of Seat_Data;
Seat_First_Index : Natural := Seats'First;
Seat_Last_Index : Natural := Seats'First - 1;
-- Arbitrary maximum of 12 outputs
Outputs : array (1 .. 12) of Output_Data;
Output_First_Index : Natural := Outputs'First;
Output_Last_Index : Natural := Outputs'First - 1;
Clock : Unsigned_32;
procedure Image (Data : Interface_Data) is
begin
Put_Line
("interface: '" & (+Data.Name) & "', " &
"version:" & Data.Version'Image & ", " &
"name:" & Data.Id'Image);
end Image;
procedure Image (Data : Seat_Data) is
begin
if not Data.Seat.Has_Proxy then
return;
end if;
Put_Line (L1.HT & "name: " & (+Data.Name));
if Data.Capabilities.Pointer or
Data.Capabilities.Keyboard or
Data.Capabilities.Touch
then
Put (L1.HT & "capabilities:");
if Data.Capabilities.Pointer then
Put (" pointer");
end if;
if Data.Capabilities.Keyboard then
Put (" keyboard");
end if;
if Data.Capabilities.Touch then
Put (" touch");
end if;
Put_Line ("");
end if;
if not Data.Keyboard.Has_Proxy then
return;
end if;
Put_Line (L1.HT & "keyboard repeat rate:" & Data.Keyboard_Rate'Image);
Put_Line (L1.HT & "keyboard repeat delay:" & Data.Keyboard_Delay'Image);
end Image;
procedure Image (Data : Output_Data) is
begin
if not Data.Output.Has_Proxy then
return;
end if;
Put_Line (L1.HT &
"x:" & Data.X'Image & ", " &
"y:" & Data.Y'Image & ", " &
"scale:" & Data.Factor'Image);
Put_Line (L1.HT & "physical size:" &
Data.Physical_Width'Image & " x" & Data.Physical_Height'Image & " mm");
Put_Line (L1.HT & "make: '" & (+Data.Make) & "', model: '" & (+Data.Model) & "'");
Put_Line (L1.HT &
"subpixel_orientation: " & Data.Subpixel'Image & ", " &
"output_transform: " & Data.Transform'Image);
Put_Line (L1.HT & "mode:");
Put_Line (L1.HT & L1.HT & "size:" &
Data.Width'Image & " x" & Data.Height'Image & " px, " &
"refresh:" & Data.Refresh'Image & " mHz");
if Data.Flags.Current or Data.Flags.Preferred then
Put (L1.HT & L1.HT & "flags:");
if Data.Flags.Current then
Put (" current");
end if;
if Data.Flags.Preferred then
Put (" preferred");
end if;
Put_Line ("");
end if;
end Image;
procedure Shm_Format
(Unused_Shm : in out WP.Client.Shm'Class;
Format : WE.Client.Shm_Format) is
begin
Formats.Append (Format);
end Shm_Format;
procedure Keyboard_Repeat_Info
(Keyboard : in out WP.Client.Keyboard'Class;
Rate : Integer;
Delay_V : Integer) is
begin
for E of Seats loop
if E.Keyboard = Keyboard then
E.Keyboard_Rate := Rate;
E.Keyboard_Delay := Delay_V;
end if;
end loop;
end Keyboard_Repeat_Info;
package Keyboard_Events is new WP.Client.Keyboard_Events
(Repeat_Info => Keyboard_Repeat_Info);
procedure Seat_Capabilities
(Seat : in out WP.Client.Seat'Class;
Capabilities : WE.Client.Seat_Capability) is
begin
for E of Seats loop
if E.Seat = Seat then
E.Capabilities := Capabilities;
if Capabilities.Keyboard then
Seat.Get_Keyboard (E.Keyboard);
if not E.Keyboard.Has_Proxy then
raise Wayland_Error with "No keyboard";
end if;
Keyboard_Events.Subscribe (E.Keyboard);
end if;
end if;
end loop;
end Seat_Capabilities;
procedure Seat_Name
(Seat : in out WP.Client.Seat'Class;
Name : String) is
begin
for E of Seats loop
if E.Seat = Seat then
E.Name := +Name;
end if;
end loop;
end Seat_Name;
procedure Output_Geometry
(Output : in out WP.Client.Output'Class;
X, Y : Integer;
Physical_Width : Integer;
Physical_Height : Integer;
Subpixel : WE.Client.Output_Subpixel;
Make : String;
Model : String;
Transform : WE.Client.Output_Transform) is
begin
for E of Outputs loop
if E.Output = Output then
E.X := X;
E.Y := Y;
E.Physical_Width := Physical_Width;
E.Physical_Height := Physical_Height;
E.Subpixel := Subpixel;
E.Make := +Make;
E.Model := +Model;
E.Transform := Transform;
end if;
end loop;
end Output_Geometry;
procedure Output_Mode
(Output : in out WP.Client.Output'Class;
Flags : WE.Client.Output_Mode;
Width : Integer;
Height : Integer;
Refresh : Integer) is
begin
for E of Outputs loop
if E.Output = Output then
E.Flags := Flags;
E.Width := Width;
E.Height := Height;
E.Refresh := Refresh;
end if;
end loop;
end Output_Mode;
procedure Output_Scale
(Output : in out WP.Client.Output'Class;
Factor : Integer) is
begin
for E of Outputs loop
if E.Output = Output then
E.Factor := Factor;
end if;
end loop;
end Output_Scale;
procedure Presentation_Clock
(Unused_Presentation : in out WP.Presentation_Time.Presentation'Class;
Id : Unsigned_32) is
begin
Clock := Id;
end Presentation_Clock;
package Shm_Events is new WP.Client.Shm_Events
(Format => Shm_Format);
package Seat_Events is new WP.Client.Seat_Events
(Seat_Capabilities => Seat_Capabilities,
Seat_Name => Seat_Name);
package Output_Events is new WP.Client.Output_Events
(Geometry => Output_Geometry,
Mode => Output_Mode,
Scale => Output_Scale);
package Presentation_Events is new WP.Presentation_Time.Presentation_Events
(Clock => Presentation_Clock);
procedure Global_Registry_Handler
(Registry : in out WP.Client.Registry'Class;
Id : Unsigned_32;
Name : String;
Version : Unsigned_32) is
begin
Interfaces.Append ((Name => +Name, Id => Id, Version => Version));
if Name = WP.Client.Compositor_Interface.Name then
Compositor.Bind (Registry, Id, Unsigned_32'Min (Version, 4));
elsif Name = WP.Client.Shm_Interface.Name then
Shm.Bind (Registry, Id, Unsigned_32'Min (Version, 1));
if not Shm.Has_Proxy then
raise Wayland_Error with "No shm";
end if;
Shm_Events.Subscribe (Shm);
elsif Name = WP.Client.Seat_Interface.Name then
declare
Seat : WP.Client.Seat renames Seats (Seat_Last_Index + 1).Seat;
begin
Seat.Bind (Registry, Id, Unsigned_32'Min (Version, 6));
if not Seat.Has_Proxy then
raise Wayland_Error with "No seat";
end if;
Seat_Events.Subscribe (Seat);
Seat_Last_Index := Seat_Last_Index + 1;
end;
elsif Name = WP.Client.Output_Interface.Name then
declare
Output : WP.Client.Output renames Outputs (Output_Last_Index + 1).Output;
begin
Output.Bind (Registry, Id, Unsigned_32'Min (Version, 3));
if not Output.Has_Proxy then
raise Wayland_Error with "No output";
end if;
Output_Events.Subscribe (Output);
Output_Last_Index := Output_Last_Index + 1;
end;
elsif Name = WP.Presentation_Time.Presentation_Interface.Name then
Presentation.Bind (Registry, Id, Unsigned_32'Min (Version, 1));
if not Presentation.Has_Proxy then
raise Wayland_Error with "No presentation";
end if;
Presentation_Events.Subscribe (Presentation);
end if;
end Global_Registry_Handler;
package Registry_Events is new WP.Client.Registry_Events
(Global_Object_Added => Global_Registry_Handler);
procedure Run is
begin
WP.Client.Initialize;
Display.Connect;
if not Display.Is_Connected then
raise Wayland_Error with "Not connected to display";
end if;
Display.Get_Registry (Registry);
if not Registry.Has_Proxy then
raise Wayland_Error with "No global registry";
end if;
Registry_Events.Subscribe (Registry);
Display.Roundtrip;
Display.Roundtrip;
Display.Roundtrip;
for E of Interfaces loop
Image (E);
if E.Name = WP.Client.Shm_Interface.Name then
if not Formats.Is_Empty then
Put (L1.HT & "formats:");
for Format of Formats loop
Put (" " & Format'Image);
end loop;
Put_Line ("");
end if;
elsif E.Name = WP.Client.Seat_Interface.Name then
Image (Seats (Seat_First_Index));
pragma Assert (Seat_First_Index <= Seat_Last_Index);
Seat_First_Index := Seat_First_Index + 1;
elsif E.Name = WP.Client.Output_Interface.Name then
Image (Outputs (Output_First_Index));
pragma Assert (Output_First_Index <= Output_Last_Index);
Output_First_Index := Output_First_Index + 1;
elsif E.Name = WP.Presentation_Time.Presentation_Interface.Name then
Put_Line (L1.HT & "presentation clock id:" & Clock'Image);
end if;
end loop;
Registry.Destroy;
Display.Disconnect;
exception
when E : others =>
Put_Line ("Error: " & Ada.Exceptions.Exception_Message (E));
if Display.Is_Connected then
Display.Disconnect;
end if;
end Run;
end Wayland_Ada_Info_Events;
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