From ddc8417ddc723a656241915220e44930d4b6af85 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Mon, 20 May 2013 16:18:39 +0800
Subject: [PATCH] Kernel/VTerm,PTY - Replaced VTerm buffers with PTY hooks

---
 KernelLand/Kernel/Makefile    |  1 +
 KernelLand/Kernel/drv/pty.c   | 28 +++++++++++++++++-----------
 KernelLand/Kernel/drv/vterm.c |  3 +++
 KernelLand/Kernel/drv/vterm.h | 10 ++++++++++
 4 files changed, 31 insertions(+), 11 deletions(-)

diff --git a/KernelLand/Kernel/Makefile b/KernelLand/Kernel/Makefile
index 1628f9b9..f6820132 100644
--- a/KernelLand/Kernel/Makefile
+++ b/KernelLand/Kernel/Makefile
@@ -60,6 +60,7 @@ OBJ += messages.o modules.o syscalls.o system.o
 OBJ += threads.o mutex.o semaphore.o workqueue.o events.o rwlock.o
 OBJ += drv/zero-one.o drv/proc.o drv/fifo.o drv/dgram_pipe.o drv/iocache.o drv/pci.o drv/vpci.o
 OBJ += drv/vterm.o drv/vterm_font.o drv/vterm_vt100.o drv/vterm_output.o drv/vterm_input.o drv/vterm_termbuf.o
+OBJ += drv/vterm_2d.o
 OBJ += drv/pty.o
 OBJ += binary.o bin/elf.o bin/pe.o
 OBJ += vfs/main.o vfs/open.o vfs/acls.o vfs/dir.o vfs/io.o vfs/mount.o
diff --git a/KernelLand/Kernel/drv/pty.c b/KernelLand/Kernel/drv/pty.c
index abfd9d14..8f4302d2 100644
--- a/KernelLand/Kernel/drv/pty.c
+++ b/KernelLand/Kernel/drv/pty.c
@@ -5,7 +5,7 @@
  * drv/pty.c
  * - Pseudo Terminals
  */
-#define DEBUG	1
+#define DEBUG	0
 #include <acess.h>
 #include <vfs.h>
 #include <fs_devfs.h>
@@ -104,7 +104,8 @@ tDevFS_Driver	gPTY_Driver = {
 	.Name = "pts",
 	.RootNode = {
 		.Flags = VFS_FFLAG_DIRECTORY,
-		.Type = &gPTY_NodeType_Root
+		.Type = &gPTY_NodeType_Root,
+		.Size = -1
 	}
 };
  int	giPTY_NumCount;
@@ -434,37 +435,42 @@ size_t PTY_SendInput(tPTY *PTY, const char *Input, size_t Length)
 int PTY_ReadDir(tVFS_Node *Node, int Pos, char Name[FILENAME_MAX])
 {
 	tPTY	*pty = NULL;
-	if( Pos < giPTY_NumCount * 2 )
+	 int	idx = Pos;
+	if( idx < giPTY_NumCount * 2 )
 	{
 		RWLock_AcquireRead(&glPTY_NumPTYs);
 		for( pty = gpPTY_FirstNumPTY; pty; pty = pty->Next )
 		{
-			if( Pos < 2 )
+			if( idx < 2 )
 				break;
-			Pos -= 2;
+			idx -= 2;
 		}
 		RWLock_Release(&glPTY_NumPTYs);
 	}
-	else if( Pos < (giPTY_NumCount + giPTY_NamedCount) * 2 )
+	else if( idx < (giPTY_NumCount + giPTY_NamedCount) * 2 )
 	{
+		idx -= giPTY_NumCount*2;
 		RWLock_AcquireRead(&glPTY_NamedPTYs);
 		for( pty = gpPTY_FirstNamedPTY; pty; pty = pty->Next )
 		{
-			if( Pos < 2 )
+			if( idx < 2 )
 				break;
-			Pos -= 2;
+			idx -= 2;
 		}
 		RWLock_Release(&glPTY_NamedPTYs);
 	}
 	
 
-	if( !pty )
+	if( !pty ) {
+		LOG("%i out of range", Pos);
 		return -1;
+	}
 	
 	if( pty->Name[0] )
-		snprintf(Name, FILENAME_MAX, "%s%c", pty->Name, (Pos == 0 ? 'c' : 's'));
+		snprintf(Name, FILENAME_MAX, "%s%c", pty->Name, (idx == 0 ? 'c' : 's'));
 	else
-		snprintf(Name, FILENAME_MAX, "%i%c", pty->NumericName, (Pos == 0 ? 'c' : 's'));
+		snprintf(Name, FILENAME_MAX, "%i%c", pty->NumericName, (idx == 0 ? 'c' : 's'));
+	LOG("Return '%s'", Name);
 	return 0;
 }
 
diff --git a/KernelLand/Kernel/drv/vterm.c b/KernelLand/Kernel/drv/vterm.c
index dc39cb30..dcd798b3 100644
--- a/KernelLand/Kernel/drv/vterm.c
+++ b/KernelLand/Kernel/drv/vterm.c
@@ -381,6 +381,7 @@ void VT_PTYOutput(void *Handle, size_t Length, const void *Data)
 		break;
 	case PTYBUFFMT_2DCMD:
 		// TODO: Impliment 2D commands
+		VT_int_Handle2DCmd(term, Length, Data);
 		break;
 	case PTYBUFFMT_3DCMD:
 		// TODO: Impliment 3D commands
@@ -404,6 +405,8 @@ int VT_PTYModeset(void *Handle, const struct ptymode *Mode)
 	tVTerm	*term = Handle;
 	term->Mode = (Mode->OutputMode & PTYOMODE_BUFFMT);
 
+	memset(&term->Cmd2D, 0, sizeof(term->Cmd2D));
+
 	if( term == gpVT_CurTerm ) {
 		switch(term->Mode)
 		{
diff --git a/KernelLand/Kernel/drv/vterm.h b/KernelLand/Kernel/drv/vterm.h
index 7b01366f..39cc4386 100644
--- a/KernelLand/Kernel/drv/vterm.h
+++ b/KernelLand/Kernel/drv/vterm.h
@@ -78,6 +78,15 @@ struct sVTerm
 	// Call set again, it's freed, and if NULL it doesn't get reallocated.
 	tVideo_IOCtl_Bitmap	*VideoCursor;
 
+	struct {
+		 int	Current;
+		size_t	CurrentSize;
+		size_t	Offset;
+		 int	CachePos;
+		char	Cache[32];
+		size_t	PreEat;
+	} Cmd2D;
+
 	tPTY	*PTY;
 };
 
@@ -94,6 +103,7 @@ extern int	giVT_InputDevHandle;
 // === FUNCTIONS ===
 extern void	VT_SetResolution(int Width, int Height);
 extern void	VT_SetTerminal(int ID);
+extern void	VT_int_Handle2DCmd(void *Handle, size_t Length, const void *Data);
 // --- Output ---
 extern void	VT_InitOutput(void);
 extern void	VT_SetMode(int Mode);
-- 
2.20.1