Kernel: Remove GUIEventDevice.

It's no longer used since all communication now happens across sockets. :^)

Kernel/GUIEventDevice.cpp

@@ -1,39 +0,0 @@
-#include "GUIEventDevice.h"
-#include <Kernel/Process.h>
-#include <AK/Lock.h>
-#include <LibC/errno_numbers.h>
-#include <WindowServer/WSMessageLoop.h>
-
-//#define GUIEVENTDEVICE_DEBUG
-
-GUIEventDevice::GUIEventDevice()
-    : CharacterDevice(66, 1)
-{
-}
-
-GUIEventDevice::~GUIEventDevice()
-{
-}
-
-bool GUIEventDevice::can_read(Process& process) const
-{
-    return !process.gui_events().is_empty();
-}
-
-ssize_t GUIEventDevice::read(Process& process, byte* buffer, size_t size)
-{
-#ifdef GUIEVENTDEVICE_DEBUG
-    dbgprintf("GUIEventDevice::read(): %s<%u>, size=%u, sizeof(GUI_ServerMessage)=%u\n", process.name().characters(), process.pid(), size, sizeof(GUI_ServerMessage));
-#endif
-    if (process.gui_events().is_empty())
-        return 0;
-    LOCKER(process.gui_events_lock());
-    ASSERT(size == sizeof(GUI_ServerMessage));
-    *reinterpret_cast<GUI_ServerMessage*>(buffer) = process.gui_events().take_first();
-    return size;
-}
-
-ssize_t GUIEventDevice::write(Process& process, const byte* data, size_t size)
-{
-    return WSMessageLoop::the().on_receive_from_client(process.gui_client_id(), data, size);
-}

Kernel/GUIEventDevice.h

@@ -1,18 +0,0 @@
-#pragma once
-
-#include <Kernel/CharacterDevice.h>
-#include <Kernel/DoubleBuffer.h>
-
-class GUIEventDevice final : public CharacterDevice {
-public:
-    GUIEventDevice();
-    virtual ~GUIEventDevice() override;
-
-private:
-    // ^CharacterDevice
-    virtual ssize_t read(Process&, byte* buffer, size_t bufferSize) override;
-    virtual ssize_t write(Process&, const byte* buffer, size_t bufferSize) override;
-    virtual bool can_read(Process&) const override;
-    virtual bool can_write(Process&) const override { return true; }
-    virtual const char* class_name() const override { return "GUIEventDevice"; }
-};

Kernel/Makefile

@@ -32,7 +32,6 @@ KERNEL_OBJS = \
        BochsVGADevice.o \
        PCI.o \
        PS2MouseDevice.o \
-       GUIEventDevice.o \
        Socket.o \
        LocalSocket.o
 

Kernel/Process.h

@@ -5,7 +5,6 @@
 #include "i386.h"
 #include "TTY.h"
 #include "Syscall.h"
-#include "GUITypes.h"
 #include <Kernel/VirtualFileSystem.h>
 #include <Kernel/UnixTypes.h>
 #include <AK/InlineLinkedList.h>
@@ -287,9 +286,6 @@ public:
 
     bool is_root() const { return m_euid == 0; }
 
-    Vector<GUI_ServerMessage>& gui_events() { return m_gui_events; }
-    Lock& gui_events_lock() { return m_gui_events_lock; }
-
     bool wakeup_requested() { return m_wakeup_requested; }
     void request_wakeup() { m_wakeup_requested = true; }
 
@@ -401,9 +397,6 @@ private:
 
     RetainPtr<Region> m_display_framebuffer_region;
 
-    Vector<GUI_ServerMessage> m_gui_events;
-    Lock m_gui_events_lock;
-
     dword m_wakeup_requested { false };
     bool m_has_used_fpu { false };
 };

Kernel/init.cpp

@@ -14,7 +14,6 @@
 #include <Kernel/RandomDevice.h>
 #include <Kernel/Ext2FileSystem.h>
 #include <Kernel/VirtualFileSystem.h>
-#include "GUIEventDevice.h"
 #include "MemoryManager.h"
 #include "ProcFS.h"
 #include "RTC.h"
@@ -41,7 +40,6 @@ VirtualConsole* tty2;
 VirtualConsole* tty3;
 Keyboard* keyboard;
 PS2MouseDevice* ps2mouse;
-GUIEventDevice* gui_event_device;
 NullDevice* dev_null;
 VFS* vfs;
 
@@ -85,7 +83,6 @@ static void init_stage2()
 
     vfs->register_character_device(*keyboard);
     vfs->register_character_device(*ps2mouse);
-    vfs->register_character_device(*gui_event_device);
     vfs->register_character_device(*tty0);
     vfs->register_character_device(*tty1);
     vfs->register_character_device(*tty2);
@@ -157,7 +154,6 @@ void init()
 
     keyboard = new Keyboard;
     ps2mouse = new PS2MouseDevice;
-    gui_event_device = new GUIEventDevice;
     dev_null = new NullDevice;
 
     VirtualConsole::initialize();

Kernel/sync.sh

@@ -27,7 +27,6 @@ mknod mnt/dev/full c 1 7
 mknod mnt/dev/keyboard c 85 1
 mknod mnt/dev/psaux c 10 1
 mknod mnt/dev/ptmx c 5 2
-mknod mnt/dev/gui_events c 66 1
 ln -s /proc/self/fd/0 mnt/dev/stdin
 ln -s /proc/self/fd/1 mnt/dev/stdout
 ln -s /proc/self/fd/2 mnt/dev/stderr

WindowServer/WSMenu.cpp

@@ -4,6 +4,7 @@
 #include "WSMessage.h"
 #include "WSMessageLoop.h"
 #include "WSWindowManager.h"
+#include <Kernel/GUITypes.h>
 #include <WindowServer/WSClientConnection.h>
 #include <SharedGraphics/Painter.h>
 #include <SharedGraphics/Font.h>

WindowServer/WSMessageLoop.cpp

@@ -6,6 +6,7 @@
 #include <WindowServer/WSClientConnection.h>
 #include "PS2MouseDevice.h"
 #include <Kernel/Keyboard.h>
+#include <Kernel/GUITypes.h>
 #include <AK/Bitmap.h>
 #include "Process.h"
 

WindowServer/WSWindow.cpp

@@ -2,6 +2,7 @@
 #include "WSWindowManager.h"
 #include "WSMessage.h"
 #include "WSMessageLoop.h"
+#include <Kernel/GUITypes.h>
 #include <WindowServer/WSClientConnection.h>
 
 WSWindow::WSWindow(WSMenu& menu)