+++ /dev/null
-/*
- * Acess2 Virtual Terminal Driver
- */
-#define DEBUG 0
-#include "vterm.h"
-#include <fs_devfs.h>
-#include <modules.h>
-#include <api_drv_keyboard.h>
-#include <api_drv_video.h>
-#include <errno.h>
-#include <semaphore.h>
-
-// === CONSTANTS ===
-#define VERSION ((0<<8)|(50))
-
-#define NUM_VTS 8
-//#define DEFAULT_OUTPUT "BochsGA"
-#define DEFAULT_OUTPUT "Vesa"
-#define FALLBACK_OUTPUT "x86_VGAText"
-#define DEFAULT_INPUT "PS2Keyboard"
-#define DEFAULT_WIDTH 640
-#define DEFAULT_HEIGHT 480
-#define DEFAULT_SCROLLBACK 2 // 2 Screens of text + current screen
-//#define DEFAULT_SCROLLBACK 0
-
-// === TYPES ===
-
-// === IMPORTS ===
-extern void Debug_SetKTerminal(const char *File);
-
-// === PROTOTYPES ===
- int VT_Install(char **Arguments);
-char *VT_ReadDir(tVFS_Node *Node, int Pos);
-tVFS_Node *VT_FindDir(tVFS_Node *Node, const char *Name);
- int VT_Root_IOCtl(tVFS_Node *Node, int Id, void *Data);
-Uint64 VT_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
-Uint64 VT_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, const void *Buffer);
- int VT_Terminal_IOCtl(tVFS_Node *Node, int Id, void *Data);
-
-// === CONSTANTS ===
-
-// === GLOBALS ===
-MODULE_DEFINE(0, VERSION, VTerm, VT_Install, NULL, NULL);
-tVFS_NodeType gVT_RootNodeType = {
- .TypeName = "VTerm Root",
- .ReadDir = VT_ReadDir,
- .FindDir = VT_FindDir,
- .IOCtl = VT_Root_IOCtl
- };
-tVFS_NodeType gVT_TermNodeType = {
- .TypeName = "VTerm",
- .Read = VT_Read,
- .Write = VT_Write,
- .IOCtl = VT_Terminal_IOCtl
- };
-tDevFS_Driver gVT_DrvInfo = {
- NULL, "VTerm",
- {
- .Flags = VFS_FFLAG_DIRECTORY,
- .Size = NUM_VTS,
- .Inode = -1,
- .NumACLs = 0,
- .Type = &gVT_RootNodeType
- }
-};
-// --- Terminals ---
-tVTerm gVT_Terminals[NUM_VTS];
- int giVT_CurrentTerminal = 0;
-tVTerm *gpVT_CurTerm = &gVT_Terminals[0];
-// --- Video State ---
-short giVT_RealWidth = DEFAULT_WIDTH; //!< Screen Width
-short giVT_RealHeight = DEFAULT_HEIGHT; //!< Screen Height
- int giVT_Scrollback = DEFAULT_SCROLLBACK;
-// --- Driver Handles ---
-char *gsVT_OutputDevice = NULL;
-char *gsVT_InputDevice = NULL;
- int giVT_OutputDevHandle = -2;
- int giVT_InputDevHandle = -2;
-
-// === CODE ===
-/**
- * \fn int VT_Install(char **Arguments)
- * \brief Installs the Virtual Terminal Driver
- */
-int VT_Install(char **Arguments)
-{
- int i;
-
- // Scan Arguments
- if(Arguments)
- {
- char **args;
- const char *arg;
- for(args = Arguments; (arg = *args); args++ )
- {
- char data[strlen(arg)+1];
- char *opt = data;
- char *val;
-
- val = strchr(arg, '=');
- strcpy(data, arg);
- if( val ) {
- data[ val - arg ] = '\0';
- val ++;
- }
- Log_Debug("VTerm", "Argument '%s'", arg);
-
- if( strcmp(opt, "Video") == 0 ) {
- if( !gsVT_OutputDevice )
- gsVT_OutputDevice = strdup(val);
- }
- else if( strcmp(opt, "Input") == 0 ) {
- if( !gsVT_InputDevice )
- gsVT_InputDevice = strdup(val);
- }
- else if( strcmp(opt, "Width") == 0 ) {
- giVT_RealWidth = atoi( val );
- }
- else if( strcmp(opt, "Height") == 0 ) {
- giVT_RealHeight = atoi( val );
- }
- else if( strcmp(opt, "Scrollback") == 0 ) {
- giVT_Scrollback = atoi( val );
- }
- }
- }
-
- // Apply Defaults
- if(!gsVT_OutputDevice) gsVT_OutputDevice = (char*)DEFAULT_OUTPUT;
- else if( Module_EnsureLoaded( gsVT_OutputDevice ) ) gsVT_OutputDevice = (char*)DEFAULT_OUTPUT;
- if( Module_EnsureLoaded( gsVT_OutputDevice ) ) gsVT_OutputDevice = (char*)FALLBACK_OUTPUT;
- if( Module_EnsureLoaded( gsVT_OutputDevice ) ) {
- Log_Error("VTerm", "Fallback video '%s' is not avaliable, giving up", FALLBACK_OUTPUT);
- return MODULE_ERR_MISC;
- }
-
- if(!gsVT_InputDevice) gsVT_InputDevice = (char*)DEFAULT_INPUT;
- else if( Module_EnsureLoaded( gsVT_InputDevice ) ) gsVT_InputDevice = (char*)DEFAULT_INPUT;
- if( Module_EnsureLoaded( gsVT_OutputDevice ) ) {
- Log_Error("VTerm", "Fallback input '%s' is not avaliable, input will not be avaliable", DEFAULT_INPUT);
- }
-
- // Create device paths
- {
- char *tmp;
- tmp = malloc( 9 + strlen(gsVT_OutputDevice) + 1 );
- strcpy(tmp, "/Devices/");
- strcpy(&tmp[9], gsVT_OutputDevice);
- gsVT_OutputDevice = tmp;
-
- tmp = malloc( 9 + strlen(gsVT_InputDevice) + 1 );
- strcpy(tmp, "/Devices/");
- strcpy(&tmp[9], gsVT_InputDevice);
- gsVT_InputDevice = tmp;
- }
-
- Log_Log("VTerm", "Using '%s' as output", gsVT_OutputDevice);
- Log_Log("VTerm", "Using '%s' as input", gsVT_InputDevice);
-
- VT_InitOutput();
- VT_InitInput();
-
- // Create Nodes
- for( i = 0; i < NUM_VTS; i++ )
- {
- gVT_Terminals[i].Mode = TERM_MODE_TEXT;
- gVT_Terminals[i].Flags = 0;
-// gVT_Terminals[i].Flags = VT_FLAG_HIDECSR; //HACK - Stop all those memcpy calls
- gVT_Terminals[i].CurColour = DEFAULT_COLOUR;
- gVT_Terminals[i].WritePos = 0;
- gVT_Terminals[i].AltWritePos = 0;
- gVT_Terminals[i].ViewPos = 0;
- gVT_Terminals[i].ReadingThread = -1;
- gVT_Terminals[i].ScrollHeight = 0;
-
- // Initialise
- VT_int_ChangeMode( &gVT_Terminals[i],
- TERM_MODE_TEXT, giVT_RealWidth, giVT_RealHeight );
-
- gVT_Terminals[i].Name[0] = '0'+i;
- gVT_Terminals[i].Name[1] = '\0';
- gVT_Terminals[i].Node.Inode = i;
- gVT_Terminals[i].Node.ImplPtr = &gVT_Terminals[i];
- gVT_Terminals[i].Node.NumACLs = 0; // Only root can open virtual terminals
-
- gVT_Terminals[i].Node.Type = &gVT_TermNodeType;
-// Semaphore_Init(&gVT_Terminals[i].InputSemaphore, 0, MAX_INPUT_CHARS8, "VTerm", gVT_Terminals[i].Name);
- }
-
- // Add to DevFS
- DevFS_AddDevice( &gVT_DrvInfo );
-
- // Set kernel output to VT0
- Debug_SetKTerminal("/Devices/VTerm/0");
-
- return MODULE_ERR_OK;
-}
-
-/**
- * \brief Set the video resolution
- * \param Width New screen width
- * \param Height New screen height
- */
-void VT_SetResolution(int Width, int Height)
-{
- tVideo_IOCtl_Mode mode = {0};
- int tmp;
- int i;
-
- // Create the video mode
- mode.width = Width;
- mode.height = Height;
- mode.bpp = 32;
- mode.flags = 0;
-
- // Set video mode
- VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_FINDMODE, &mode );
- tmp = mode.id;
- if( Width != mode.width || Height != mode.height )
- {
- Log_Warning("VTerm",
- "Selected resolution (%ix%i is not supported) by the device, using (%ix%i)",
- giVT_RealWidth, giVT_RealHeight,
- mode.width, mode.height
- );
- giVT_RealWidth = mode.width;
- giVT_RealHeight = mode.height;
- }
- VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_GETSETMODE, &tmp );
-
- // Resize text terminals if needed
- if( gVT_Terminals[0].Text && (giVT_RealWidth != mode.width || giVT_RealHeight != mode.height) )
- {
- int newBufSize = (giVT_RealWidth/giVT_CharWidth)
- *(giVT_RealHeight/giVT_CharHeight)
- *(giVT_Scrollback+1);
- //tVT_Char *tmp;
- // Resize the text terminals
- Log_Debug("VTerm", "Resizing terminals to %ix%i",
- giVT_RealWidth/giVT_CharWidth, giVT_RealHeight/giVT_CharHeight);
- for( i = 0; i < NUM_VTS; i ++ )
- {
- if( gVT_Terminals[i].Mode != TERM_MODE_TEXT ) continue;
-
- gVT_Terminals[i].TextWidth = giVT_RealWidth/giVT_CharWidth;
- gVT_Terminals[i].TextHeight = giVT_RealHeight/giVT_CharHeight;
- gVT_Terminals[i].ScrollHeight = gVT_Terminals[i].TextHeight;
-
- gVT_Terminals[i].Text = realloc(
- gVT_Terminals[i].Text,
- newBufSize*sizeof(tVT_Char)
- );
- }
- }
-}
-
-/**
- * \fn char *VT_ReadDir(tVFS_Node *Node, int Pos)
- * \brief Read from the VTerm Directory
- */
-char *VT_ReadDir(tVFS_Node *Node, int Pos)
-{
- if(Pos < 0) return NULL;
- if(Pos >= NUM_VTS) return NULL;
- return strdup( gVT_Terminals[Pos].Name );
-}
-
-/**
- * \fn tVFS_Node *VT_FindDir(tVFS_Node *Node, const char *Name)
- * \brief Find an item in the VTerm directory
- * \param Node Root node
- * \param Name Name (number) of the terminal
- */
-tVFS_Node *VT_FindDir(tVFS_Node *Node, const char *Name)
-{
- int num;
-
- ENTER("pNode sName", Node, Name);
-
- // Open the input and output files if needed
- if(giVT_OutputDevHandle == -2) VT_InitOutput();
- if(giVT_InputDevHandle == -2) VT_InitInput();
-
- // Sanity check name
- if(Name[0] < '0' || Name[0] > '9' || Name[1] != '\0') {
- LEAVE('n');
- return NULL;
- }
- // Get index
- num = Name[0] - '0';
- if(num >= NUM_VTS) {
- LEAVE('n');
- return NULL;
- }
- // Return node
- LEAVE('p', &gVT_Terminals[num].Node);
- return &gVT_Terminals[num].Node;
-}
-
-/**
- * \fn int VT_Root_IOCtl(tVFS_Node *Node, int Id, void *Data)
- * \brief Control the VTerm Driver
- */
-int VT_Root_IOCtl(tVFS_Node *Node, int Id, void *Data)
-{
- int len;
- switch(Id)
- {
- case DRV_IOCTL_TYPE: return DRV_TYPE_MISC;
- case DRV_IOCTL_IDENT: memcpy(Data, "VT\0\0", 4); return 0;
- case DRV_IOCTL_VERSION: return VERSION;
- case DRV_IOCTL_LOOKUP: return 0;
-
- case 4: // Get Video Driver
- if(Data) strcpy(Data, gsVT_OutputDevice);
- return strlen(gsVT_OutputDevice);
-
- case 5: // Set Video Driver
- if(!Data) return -EINVAL;
- if(Threads_GetUID() != 0) return -EACCES;
-
- len = strlen(Data);
-
- // TODO: Check if the string used is a heap string
-
- free(gsVT_OutputDevice);
-
- gsVT_OutputDevice = malloc(len+1);
- strcpy(gsVT_OutputDevice, Data);
-
- VFS_Close(giVT_OutputDevHandle);
- giVT_OutputDevHandle = -1;
-
- VT_InitOutput();
- return 1;
- }
- return 0;
-}
-
-/**
- * \brief Read from a virtual terminal
- */
-Uint64 VT_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
-{
- int pos = 0;
- int avail;
- tVTerm *term = &gVT_Terminals[ Node->Inode ];
- Uint32 *codepoint_buf = Buffer;
- Uint32 *codepoint_in;
-
- Mutex_Acquire( &term->ReadingLock );
-
- // Check current mode
- switch(term->Mode)
- {
- // Text Mode (UTF-8)
- case TERM_MODE_TEXT:
- VT_int_UpdateCursor(term, 1);
-
- VFS_SelectNode(Node, VFS_SELECT_READ, NULL, "VT_Read (UTF-8)");
-
- avail = term->InputWrite - term->InputRead;
- if(avail < 0)
- avail += MAX_INPUT_CHARS8;
- if(avail > Length - pos)
- avail = Length - pos;
-
- while( avail -- )
- {
- ((char*)Buffer)[pos] = term->InputBuffer[term->InputRead];
- pos ++;
- term->InputRead ++;
- while(term->InputRead >= MAX_INPUT_CHARS8)
- term->InputRead -= MAX_INPUT_CHARS8;
- }
- break;
-
- //case TERM_MODE_FB:
- // Other - UCS-4
- default:
- VFS_SelectNode(Node, VFS_SELECT_READ, NULL, "VT_Read (UCS-4)");
-
- avail = term->InputWrite - term->InputRead;
- if(avail < 0)
- avail += MAX_INPUT_CHARS32;
- Length /= 4;
- if(avail > Length - pos)
- avail = Length - pos;
-
- codepoint_in = (void*)term->InputBuffer;
- codepoint_buf = Buffer;
-
- while( avail -- )
- {
- codepoint_buf[pos] = codepoint_in[term->InputRead];
- pos ++;
- term->InputRead ++;
- while(term->InputRead >= MAX_INPUT_CHARS32)
- term->InputRead -= MAX_INPUT_CHARS32;
- }
- pos *= 4;
- break;
- }
-
- // Mark none avaliable if buffer empty
- if( term->InputRead == term->InputWrite )
- VFS_MarkAvaliable(&term->Node, 0);
-
- term->ReadingThread = -1;
-
-// VT_int_UpdateCursor(term, term->Mode == TERM_MODE_TEXT);
-
- Mutex_Release( &term->ReadingLock );
-
- return pos;
-}
-
-/**
- * \fn Uint64 VT_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, const void *Buffer)
- * \brief Write to a virtual terminal
- */
-Uint64 VT_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, const void *Buffer)
-{
- tVTerm *term = &gVT_Terminals[ Node->Inode ];
- int size;
-
- // Write
- switch( term->Mode )
- {
- // Print Text
- case TERM_MODE_TEXT:
- VT_int_PutString(term, Buffer, Length);
- break;
-
- // Framebuffer :)
- case TERM_MODE_FB:
- // - Sanity Checking
- size = term->Width*term->Height*4;
- if( Offset > size ) {
- Log_Notice("VTerm", "VT_Write: Offset (0x%llx) > FBSize (0x%x)",
- Offset, size);
- return 0;
- }
- if( Offset + Length > size ) {
- Log_Notice("VTerm", "VT_Write: Offset+Length (0x%llx) > FBSize (0x%x)",
- Offset+Length, size);
- Length = size - Offset;
- }
-
- // Update screen if needed
- if( Node->Inode == giVT_CurrentTerminal )
- {
- if( giVT_RealHeight > term->Height )
- Offset += (giVT_RealHeight - term->Height) / 2 * term->Width * 4;
- // Handle undersized virtual terminals
- if( giVT_RealWidth > term->Width )
- {
- // No? :( Well, just center it
- int x, y, w, h;
- Uint dst_ofs;
- // TODO: Fix to handle the final line correctly?
- x = Offset/4; y = x / term->Width; x %= term->Width;
- w = Length/4+x; h = w / term->Width; w %= term->Width;
-
- // Center
- x += (giVT_RealWidth - term->Width) / 2;
- dst_ofs = (x + y * giVT_RealWidth) * 4;
- while(h--)
- {
- VFS_WriteAt( giVT_OutputDevHandle,
- dst_ofs,
- term->Width * 4,
- Buffer
- );
- Buffer = (void*)( (Uint)Buffer + term->Width*4 );
- dst_ofs += giVT_RealWidth * 4;
- }
- return 0;
- }
- else
- {
- return VFS_WriteAt( giVT_OutputDevHandle, Offset, Length, Buffer );
- }
- }
- else
- {
- if( !term->Buffer )
- term->Buffer = malloc( term->Width * term->Height * 4 );
- // Copy to the local cache
- memcpy( (char*)term->Buffer + (Uint)Offset, Buffer, Length );
- }
- break;
- // Just pass on (for now)
- // TODO: Handle locally too to ensure no information is lost on
- // VT Switch (and to isolate terminals from each other)
- case TERM_MODE_2DACCEL:
- //case TERM_MODE_3DACCEL:
- if( Node->Inode == giVT_CurrentTerminal )
- {
- VFS_Write( giVT_OutputDevHandle, Length, Buffer );
- }
- break;
- }
-
- return 0;
-}
-
-/**
- * \fn int VT_Terminal_IOCtl(tVFS_Node *Node, int Id, void *Data)
- * \brief Call an IO Control on a virtual terminal
- */
-int VT_Terminal_IOCtl(tVFS_Node *Node, int Id, void *Data)
-{
- int *iData = Data;
- int ret;
- tVTerm *term = Node->ImplPtr;
- ENTER("pNode iId pData", Node, Id, Data);
-
- if(Id >= DRV_IOCTL_LOOKUP) {
- // Only root can fiddle with graphics modes
- // TODO: Remove this and replace with user ownership
- if( Threads_GetUID() != 0 ) return -1;
- }
-
- switch(Id)
- {
- // --- Core Defined
- case DRV_IOCTL_TYPE:
- LEAVE('i', DRV_TYPE_TERMINAL);
- return DRV_TYPE_TERMINAL;
- case DRV_IOCTL_IDENT:
- memcpy(Data, "VT\0\0", 4);
- LEAVE('i', 0);
- return 0;
- case DRV_IOCTL_VERSION:
- LEAVE('x', VERSION);
- return VERSION;
- case DRV_IOCTL_LOOKUP:
- LEAVE('i', 0);
- return 0;
-
- // Get/Set the mode (and apply any changes)
- case TERM_IOCTL_MODETYPE:
- if(Data != NULL)
- {
- if( CheckMem(Data, sizeof(int)) == 0 ) {
- LEAVE('i', -1);
- return -1;
- }
- Log_Log("VTerm", "VTerm %i mode set to %i", (int)Node->Inode, *iData);
-
- // Update mode if needed
- if( term->Mode != *iData || term->NewWidth || term->NewHeight)
- {
- // Adjust for text mode
- if( *iData == TERM_MODE_TEXT ) {
- term->NewHeight *= giVT_CharHeight;
- term->NewWidth *= giVT_CharWidth;
- }
- // Fill unchanged dimensions
- if(term->NewHeight == 0) term->NewHeight = term->Height;
- if(term->NewWidth == 0) term->NewWidth = term->Width;
- // Set new mode
- VT_int_ChangeMode(term, *iData, term->NewWidth, term->NewHeight);
- // Clear unapplied dimensions
- term->NewWidth = 0;
- term->NewHeight = 0;
- }
-
- // Update the screen dimensions
- if(Node->Inode == giVT_CurrentTerminal)
- VT_SetTerminal( giVT_CurrentTerminal );
- }
- LEAVE('i', term->Mode);
- return term->Mode;
-
- // Get/set the terminal width
- case TERM_IOCTL_WIDTH:
- if(Data != NULL) {
- if( CheckMem(Data, sizeof(int)) == 0 ) {
- LEAVE('i', -1);
- return -1;
- }
- term->NewWidth = *iData;
- }
- if( term->NewWidth )
- ret = term->NewWidth;
- else if( term->Mode == TERM_MODE_TEXT )
- ret = term->TextWidth;
- else
- ret = term->Width;
- LEAVE('i', ret);
- return ret;
-
- // Get/set the terminal height
- case TERM_IOCTL_HEIGHT:
- if(Data != NULL) {
- if( CheckMem(Data, sizeof(int)) == 0 ) {
- LEAVE('i', -1);
- return -1;
- }
- term->NewHeight = *iData;
- }
- if( term->NewHeight )
- ret = term->NewHeight;
- else if( term->Mode == TERM_MODE_TEXT )
- ret = term->TextHeight;
- else
- ret = term->Height;
- LEAVE('i', ret);
- return ret;
-
- case TERM_IOCTL_FORCESHOW:
- Log_Log("VTerm", "Thread %i forced VTerm %i to be shown",
- Threads_GetTID(), (int)Node->Inode);
- VT_SetTerminal( Node->Inode );
- LEAVE('i', 1);
- return 1;
-
- case TERM_IOCTL_GETSETCURSOR:
- if(Data != NULL)
- {
- tVideo_IOCtl_Pos *pos = Data;
- if( !CheckMem(Data, sizeof(*pos)) ) {
- errno = -EINVAL;
- LEAVE('i', -1);
- return -1;
- }
-
- if( term->Mode == TERM_MODE_TEXT )
- {
- if(term->Flags & VT_FLAG_ALTBUF)
- term->AltWritePos = pos->x + pos->y * term->TextWidth;
- else
- term->WritePos = pos->x + pos->y * term->TextWidth + term->ViewPos;
- VT_int_UpdateCursor(term, 0);
- }
- else
- {
- term->VideoCursorX = pos->x;
- term->VideoCursorY = pos->y;
- VT_int_UpdateCursor(term, 1);
- }
- }
- ret = (term->Flags & VT_FLAG_ALTBUF) ? term->AltWritePos : term->WritePos-term->ViewPos;
- LEAVE('i', ret);
- return ret;
-
- case TERM_IOCTL_SETCURSORBITMAP: {
- tVideo_IOCtl_Bitmap *bmp = Data;
- if( Data == NULL )
- {
- free( term->VideoCursor );
- term->VideoCursor = NULL;
- LEAVE('i', 0);
- return 0;
- }
-
- // Sanity check bitmap
- if( !CheckMem(bmp, sizeof(tVideo_IOCtl_Bitmap)) ) {
- Log_Notice("VTerm", "%p in TERM_IOCTL_SETCURSORBITMAP invalid", bmp);
- errno = -EINVAL;
- LEAVE_RET('i', -1);
- }
- if( !CheckMem(bmp->Data, bmp->W*bmp->H*sizeof(Uint32)) ) {
- Log_Notice("VTerm", "%p in TERM_IOCTL_SETCURSORBITMAP invalid", bmp);
- errno = -EINVAL;
- LEAVE_RET('i', -1);
- }
-
- // Reallocate if needed
- if(term->VideoCursor)
- {
- if(bmp->W * bmp->H != term->VideoCursor->W * term->VideoCursor->H) {
- free(term->VideoCursor);
- term->VideoCursor = NULL;
- }
- }
- if(!term->VideoCursor) {
- term->VideoCursor = malloc(sizeof(tVideo_IOCtl_Pos) + bmp->W*bmp->H*sizeof(Uint32));
- if(!term->VideoCursor) {
- Log_Error("VTerm", "Unable to allocate memory for cursor");
- errno = -ENOMEM;
- LEAVE_RET('i', -1);
- }
- }
-
- memcpy(term->VideoCursor, bmp, sizeof(tVideo_IOCtl_Pos) + bmp->W*bmp->H*sizeof(Uint32));
-
- Log_Debug("VTerm", "Set VT%i's cursor to %p %ix%i",
- (int)term->Node.Inode, bmp, bmp->W, bmp->H);
-
- if(gpVT_CurTerm == term)
- VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETCURSORBITMAP, term->VideoCursor);
-
- LEAVE('i', 0);
- return 0; }
- }
- LEAVE('i', -1);
- return -1;
-}
-
-/**
- * \fn void VT_SetTerminal(int ID)
- * \brief Set the current terminal
- */
-void VT_SetTerminal(int ID)
-{
- // Copy the screen state
- if( ID != giVT_CurrentTerminal && gpVT_CurTerm->Mode != TERM_MODE_TEXT )
- {
- if( !gpVT_CurTerm->Buffer )
- gpVT_CurTerm->Buffer = malloc( gpVT_CurTerm->Width*gpVT_CurTerm->Height*4 );
- if( gpVT_CurTerm->Width < giVT_RealWidth )
- {
- int line;
- Uint ofs = 0;
- Uint32 *dest = gpVT_CurTerm->Buffer;
- // Slower scanline copy
- for( line = 0; line < gpVT_CurTerm->Height; line ++ )
- {
- VFS_ReadAt(giVT_OutputDevHandle, ofs, gpVT_CurTerm->Width*4, dest);
- ofs += giVT_RealWidth * 4;
- dest += gpVT_CurTerm->Width;
- }
- }
- else
- {
- VFS_ReadAt(giVT_OutputDevHandle,
- 0, gpVT_CurTerm->Height*giVT_RealWidth*4,
- gpVT_CurTerm->Buffer
- );
- }
- }
-
- // Update current terminal ID
- Log_Log("VTerm", "Changed terminal from %i to %i", giVT_CurrentTerminal, ID);
- giVT_CurrentTerminal = ID;
- gpVT_CurTerm = &gVT_Terminals[ID];
-
- if( gpVT_CurTerm->Mode == TERM_MODE_TEXT )
- {
- VT_SetMode( VIDEO_BUFFMT_TEXT );
- }
- else
- {
- // Update the cursor image
- if(gpVT_CurTerm->VideoCursor)
- VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETCURSORBITMAP, gpVT_CurTerm->VideoCursor);
- VT_SetMode( VIDEO_BUFFMT_FRAMEBUFFER );
- }
-
- if(gpVT_CurTerm->Buffer)
- {
- // TODO: Handle non equal sized
- VFS_WriteAt(
- giVT_OutputDevHandle,
- 0,
- gpVT_CurTerm->Width*gpVT_CurTerm->Height*sizeof(Uint32),
- gpVT_CurTerm->Buffer
- );
- }
-
- VT_int_UpdateCursor(gpVT_CurTerm, 1);
- // Update the screen
- VT_int_UpdateScreen(gpVT_CurTerm, 1);
-}
git.ucc.asn.au / tpg / acess2.git / blobdiff
UCC git Repository :: git.ucc.asn.au