#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
#define DEFAULT_SCROLLBACK 2 // 2 Screens of text + current screen
-#define TEXTTERM_WIDTH (BOOT_WIDTH/8)
-#define TEXTTERM_HEIGHT (BOOT_WIDTH/16)
#define DEFAULT_COLOUR (VT_COL_BLACK|(0xAAA<<16))
#define VT_FLAG_HIDECSR 0x01
#define VT_FLAG_HASFB 0x10 //!< Set if the VTerm has requested the Framebuffer
enum eVT_InModes {
- VT_INMODE_TEXT8, // UTF-8 Text Mode (VT100 Emulation)
+ VT_INMODE_TEXT8, // UTF-8 Text Mode (VT100/xterm Emulation)
VT_INMODE_TEXT32, // UTF-32 Text Mode (Acess Native)
NUM_VT_INMODES
};
typedef struct {
int Mode; //!< Current Mode (see ::eTplTerminal_Modes)
int Flags; //!< Flags (see VT_FLAG_*)
+
+ short NewWidth; //!< Un-applied dimensions (Width)
+ short NewHeight; //!< Un-applied dimensions (Height)
short Width; //!< Virtual Width
short Height; //!< Virtual Height
+ short TextWidth; //!< Text Virtual Width
+ short TextHeight; //!< Text Virtual Height
int ViewPos; //!< View Buffer Offset (Text Only)
int WritePos; //!< Write Buffer Offset (Text Only)
Uint32 CurColour; //!< Current Text Colour
+ tMutex ReadingLock; //!< Lock the VTerm when a process is reading from it
+ tTID ReadingThread; //!< Owner of the lock
int InputRead; //!< Input buffer read position
int InputWrite; //!< Input buffer write position
char InputBuffer[MAX_INPUT_CHARS8];
- union {
- tVT_Char *Text;
- Uint32 *Buffer;
- };
+
+ tVT_Char *Text;
+ Uint32 *Buffer;
+
char Name[2]; //!< Name of the terminal
tVFS_Node Node;
} tVTerm;
// === IMPORTS ===
-extern void Debug_SetKTerminal(char *File);
+extern void Debug_SetKTerminal(const char *File);
// === PROTOTYPES ===
int VT_Install(char **Arguments);
void VT_InitOutput(void);
void VT_InitInput(void);
char *VT_ReadDir(tVFS_Node *Node, int Pos);
-tVFS_Node *VT_FindDir(tVFS_Node *Node, char *Name);
+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, void *Buffer);
void VT_SetTerminal(int ID);
void VT_KBCallBack(Uint32 Codepoint);
void VT_int_PutString(tVTerm *Term, Uint8 *Buffer, Uint Count);
+void VT_int_ClearLine(tVTerm *Term, int Num);
int VT_int_ParseEscape(tVTerm *Term, char *Buffer);
void VT_int_PutChar(tVTerm *Term, Uint32 Ch);
void VT_int_ScrollFramebuffer( tVTerm *Term );
void VT_int_UpdateScreen( tVTerm *Term, int UpdateAll );
-void VT_int_ChangeMode(tVTerm *Term, int NewMode);
+void VT_int_ChangeMode(tVTerm *Term, int NewMode, int NewWidth, int NewHeight);
// === CONSTANTS ===
const Uint16 caVT100Colours[] = {
// Scan Arguments
if(Arguments)
{
- char **args = Arguments;
- char *arg, *opt, *val;
- for( ; (arg = *args); args++ )
+ 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);
- opt = arg;
- val = arg + strpos(arg, '='); *val++ = '\0';
if( strcmp(opt, "Video") == 0 ) {
- if(gsVT_OutputDevice) free(gsVT_OutputDevice);
gsVT_OutputDevice = strdup(val);
}
else if( strcmp(opt, "Input") == 0 ) {
- if(gsVT_InputDevice) free(gsVT_InputDevice);
gsVT_InputDevice = strdup(val);
}
else if( strcmp(opt, "Width") == 0 ) {
}
}
+ if(gsVT_OutputDevice) Modules_InitialiseBuiltin( gsVT_OutputDevice );
+ if(gsVT_InputDevice) Modules_InitialiseBuiltin( gsVT_InputDevice );
+
// Apply Defaults
- if(!gsVT_OutputDevice) gsVT_OutputDevice = "/Devices/"DEFAULT_OUTPUT;
- if(!gsVT_InputDevice) gsVT_InputDevice = "/Devices/"DEFAULT_INPUT;
+ if(!gsVT_OutputDevice) gsVT_OutputDevice = strdup(DEFAULT_OUTPUT);
+ if(!gsVT_InputDevice) gsVT_InputDevice = strdup(DEFAULT_INPUT);
+
+ // Create 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);
{
gVT_Terminals[i].Mode = TERM_MODE_TEXT;
gVT_Terminals[i].Flags = 0;
- gVT_Terminals[i].Width = giVT_RealWidth/giVT_CharWidth;
- gVT_Terminals[i].Height = giVT_RealHeight/giVT_CharHeight;
gVT_Terminals[i].CurColour = DEFAULT_COLOUR;
gVT_Terminals[i].WritePos = 0;
gVT_Terminals[i].ViewPos = 0;
+ gVT_Terminals[i].ReadingThread = -1;
- gVT_Terminals[i].Buffer = calloc(
- gVT_Terminals[i].Width*gVT_Terminals[i].Height*(giVT_Scrollback+1),
- sizeof(tVT_Char)
- );
+ // 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';
void VT_InitOutput()
{
giVT_OutputDevHandle = VFS_Open(gsVT_OutputDevice, VFS_OPENFLAG_WRITE);
- if(giVT_InputDevHandle == -1) {
+ if(giVT_OutputDevHandle == -1) {
Log_Warning("VTerm", "Oh F**k, I can't open the video device '%s'", gsVT_OutputDevice);
return ;
}
- VT_SetResolution(giVT_RealWidth, giVT_RealHeight);
+ VT_SetResolution( giVT_RealWidth, giVT_RealHeight );
VT_SetTerminal( 0 );
VT_SetMode( VIDEO_BUFFMT_TEXT );
}
void VT_InitInput()
{
giVT_InputDevHandle = VFS_Open(gsVT_InputDevice, VFS_OPENFLAG_READ);
- if(giVT_InputDevHandle == -1) return ;
+ if(giVT_InputDevHandle == -1) {
+ Log_Warning("VTerm", "Can't open the input device '%s'", gsVT_InputDevice);
+ return ;
+ }
VFS_IOCtl(giVT_InputDevHandle, KB_IOCTL_SETCALLBACK, VT_KBCallBack);
}
+/**
+ * \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
+ );
+ }
+ VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_GETSETMODE, &tmp );
+
+ // Resize text terminals if needed
+ if( 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
+ giVT_RealWidth = mode.width;
+ giVT_RealHeight = mode.height;
+ for( i = 0; i < NUM_VTS; i ++ )
+ {
+ if( gVT_Terminals[i].Mode != TERM_MODE_TEXT ) continue;
+
+ gVT_Terminals[i].Text = realloc(
+ gVT_Terminals[i].Text,
+ newBufSize*sizeof(tVT_Char)
+ );
+ }
+ }
+}
+
+/**
+ * \brief Set video output buffer mode
+ */
+void VT_SetMode(int Mode)
+{
+ VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_SETBUFFORMAT, &Mode );
+}
+
/**
* \fn char *VT_ReadDir(tVFS_Node *Node, int Pos)
* \brief Read from the VTerm Directory
}
/**
- * \fn tVFS_Node *VT_FindDir(tVFS_Node *Node, char *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, char *Name)
+tVFS_Node *VT_FindDir(tVFS_Node *Node, const char *Name)
{
int num;
len = strlen(Data);
+ // TODO: Check if the string used is a heap string
+
free(gsVT_OutputDevice);
gsVT_OutputDevice = malloc(len+1);
int pos = 0;
tVTerm *term = &gVT_Terminals[ Node->Inode ];
+ Mutex_Acquire( &term->ReadingLock );
+ term->ReadingThread = Threads_GetTID();
+
// Check current mode
switch(term->Mode)
{
+ // Text Mode (UTF-8)
case TERM_MODE_TEXT:
while(pos < Length)
{
- while(term->InputRead == term->InputWrite) Threads_Yield();
+ //TODO: Sleep instead
+ while(term->InputRead == term->InputWrite) Threads_Sleep();
((char*)Buffer)[pos] = term->InputBuffer[term->InputRead];
pos ++;
break;
//case TERM_MODE_FB:
+ // Other - UCS-4
default:
while(pos < Length)
{
- while(term->InputRead == term->InputWrite) Threads_Yield();
+ while(term->InputRead == term->InputWrite) Threads_Sleep();
((Uint32*)Buffer)[pos] = ((Uint32*)term->InputBuffer)[term->InputRead];
pos ++;
term->InputRead ++;
}
break;
}
+
+ term->ReadingThread = -1;
+ Mutex_Release( &term->ReadingLock );
+
return 0;
}
// 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;
}
+ // Copy to the local cache
memcpy( (void*)((Uint)term->Buffer + (Uint)Offset), Buffer, Length );
+ // Update screen if needed
if( Node->Inode == giVT_CurrentTerminal )
{
+ // Fill entire screen?
if( giVT_RealWidth > term->Width || giVT_RealHeight > term->Height )
{
+ // No? :( Well, just center it
int x, y, w, h;
x = Offset/4; y = x / term->Width; x %= term->Width;
w = Length/4+x; h = w / term->Width; w %= term->Width;
return VFS_WriteAt( giVT_OutputDevHandle, Offset, Length, Buffer );
}
}
-
+ // 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 )
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);
Log_Log("VTerm", "VTerm %i mode set to %i", (int)Node->Inode, *iData);
// Update mode if needed
- if(term->Mode != *iData)
- VT_int_ChangeMode(term, *iData);
+ 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)
LEAVE('i', -1);
return -1;
}
- term->Width = *iData;
+ term->NewWidth = *iData;
}
- Log("VT_Terminal_IOCtl - RETURN term->Width = %i", term->Width);
- LEAVE('i', term->Width);
- return term->Width;
+ 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:
LEAVE('i', -1);
return -1;
}
- term->Height = *iData;
+ term->NewHeight = *iData;
}
- Log("VT_Terminal_IOCtl - RETURN term->Height = %i", term->Height);
- LEAVE('i', term->Height);
- return term->Height;
+ 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",
return -1;
}
-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
- );
- }
- VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_GETSETMODE, &tmp );
-
- // Resize text terminals if needed
- if( 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
- giVT_RealWidth = mode.width;
- giVT_RealHeight = mode.height;
- for( i = 0; i < NUM_VTS; i ++ )
- {
- if( gVT_Terminals[i].Mode != TERM_MODE_TEXT ) continue;
-
- gVT_Terminals[i].Text = realloc(
- gVT_Terminals[i].Text,
- newBufSize*sizeof(tVT_Char)
- );
- }
- }
-}
-
-void VT_SetMode(int Mode)
-{
- VFS_IOCtl( giVT_OutputDevHandle, VIDEO_IOCTL_SETBUFFORMAT, &Mode );
-}
-
/**
* \fn void VT_SetTerminal(int ID)
* \brief Set the current terminal
if( gpVT_CurTerm->Mode == TERM_MODE_TEXT && !(gpVT_CurTerm->Flags & VT_FLAG_HIDECSR) )
{
tVideo_IOCtl_Pos pos;
- pos.x = gpVT_CurTerm->WritePos % gpVT_CurTerm->Width;
- pos.y = gpVT_CurTerm->WritePos / gpVT_CurTerm->Width;
- VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETCURSOR, &pos);
+ pos.x = (gpVT_CurTerm->WritePos - gpVT_CurTerm->ViewPos) % gpVT_CurTerm->TextWidth;
+ pos.y = (gpVT_CurTerm->WritePos - gpVT_CurTerm->ViewPos) / gpVT_CurTerm->TextWidth;
+ if( pos.x < gpVT_CurTerm->TextHeight )
+ VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETCURSOR, &pos);
}
if( gpVT_CurTerm->Mode == TERM_MODE_TEXT )
*/
void VT_KBCallBack(Uint32 Codepoint)
{
- tVTerm *term = &gVT_Terminals[giVT_CurrentTerminal];
+ tVTerm *term = gpVT_CurTerm;
- // How the hell did we get a Codepoint of zero?
+ // How the hell did we get a codepoint of zero?
if(Codepoint == 0) return;
// Key Up
case KEY_RSHIFT: gbVT_CtrlDown = 0; break;
case KEY_LSHIFT: gbVT_AltDown = 0; break;
#else
- case KEY_LALT:
- case KEY_RALT:
- gbVT_AltDown = 0;
- break;
- case KEY_LCTRL:
- case KEY_RCTRL:
- gbVT_CtrlDown = 0;
- break;
+ case KEY_LALT: gbVT_AltDown &= ~1; break;
+ case KEY_RALT: gbVT_AltDown &= ~2; break;
+ case KEY_LCTRL: gbVT_CtrlDown &= ~1 break;
+ case KEY_RCTRL: gbVT_CtrlDown &= ~2; break;
#endif
}
return;
switch(Codepoint)
{
- #if !USE_CTRL_ALT
+ #if !USE_CTRL_ALT // HACK: Use both shifts instead of Ctrl-Alt
case KEY_RSHIFT: gbVT_CtrlDown = 1; break;
case KEY_LSHIFT: gbVT_AltDown = 1; break;
#else
- case KEY_LALT:
- case KEY_RALT:
- gbVT_AltDown = 1;
- break;
- case KEY_LCTRL:
- case KEY_RCTRL:
- gbVT_CtrlDown = 1;
- break;
+ case KEY_LALT: gbVT_AltDown |= 1; break;
+ case KEY_RALT: gbVT_AltDown |= 2; break;
+ case KEY_LCTRL: gbVT_CtrlDown |= 1; break;
+ case KEY_RCTRL: gbVT_CtrlDown |= 2; break;
#endif
default:
- #if USE_CTRL_ALT
if(!gbVT_AltDown || !gbVT_CtrlDown)
break;
- #endif
switch(Codepoint)
{
case KEY_F1: VT_SetTerminal(0); return;
case KEY_F10: VT_SetTerminal(9); return;
case KEY_F11: VT_SetTerminal(10); return;
case KEY_F12: VT_SetTerminal(11); return;
+ // Scrolling
case KEY_PGUP:
if( gpVT_CurTerm->ViewPos > gpVT_CurTerm->Width )
gpVT_CurTerm->ViewPos -= gpVT_CurTerm->Width;
term->InputRead %= MAX_INPUT_CHARS32;
}
}
+
+ // Wake up the thread waiting on us
+ if( term->ReadingThread >= 0 ) {
+ Threads_WakeTID(term->ReadingThread);
+ }
}
/**
void VT_int_ClearLine(tVTerm *Term, int Num)
{
int i;
+ tVT_Char *cell = &Term->Text[ Num*Term->TextWidth ];
+ if( Num < 0 || Num >= Term->TextHeight * (giVT_Scrollback + 1) ) return ;
//ENTER("pTerm iNum", Term, Num);
- for( i = Term->Width; i--; )
+ for( i = Term->TextWidth; i--; )
{
- Term->Text[ Num*Term->Width + i ].Ch = 0;
- Term->Text[ Num*Term->Width + i ].Colour = Term->CurColour;
+ cell[ i ].Ch = 0;
+ cell[ i ].Colour = Term->CurColour;
}
//LEAVE('-');
}
if( '0' <= c && c <= '9' )
{
do {
+ if(c == ';') c = Buffer[j++];
while('0' <= c && c <= '9') {
args[argc] *= 10;
args[argc] += c-'0';
} while(c == ';');
}
- /*
- // Get string (what does this do?)
- if(c == '"') {
- c = Buffer[j++];
- while(c != '"')
- c = Buffer[j++];
- }
- */
-
- //Log_Debug("VTerm", "argc = %i", argc);
-
// Get Command
if( ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'))
{
if(argc == 1) tmp = args[0];
else tmp = 1;
- if( Term->WritePos-(tmp-1) % Term->Width == 0 )
- Term->WritePos -= Term->WritePos % Term->Width;
+ if( Term->WritePos-(tmp-1) % Term->TextWidth == 0 )
+ Term->WritePos -= Term->WritePos % Term->TextWidth;
else
Term->WritePos -= tmp;
break;
case 'C':
if(argc == 1) tmp = args[0];
else tmp = 1;
- if( (Term->WritePos + tmp) % Term->Width == 0 ) {
- Term->WritePos -= Term->WritePos % Term->Width;
- Term->WritePos += Term->Width - 1;
+ if( (Term->WritePos + tmp) % Term->TextWidth == 0 ) {
+ Term->WritePos -= Term->WritePos % Term->TextWidth;
+ Term->WritePos += Term->TextWidth - 1;
} else
Term->WritePos += tmp;
break;
{
case 2:
{
- int i = Term->Height * (giVT_Scrollback + 1);
+ int i = Term->TextHeight * (giVT_Scrollback + 1);
while( i-- ) VT_int_ClearLine(Term, i);
Term->WritePos = 0;
Term->ViewPos = 0;
break;
}
break;
+ // Set cursor position
+ case 'h':
+ Term->WritePos = args[0] + args[1]*Term->TextWidth;
+ Log_Debug("VTerm", "args = {%i, %i}", args[0], args[1]);
+ break;
// Set Font flags
case 'm':
for( ; argc--; )
if( Term == gpVT_CurTerm && !(Term->Flags & VT_FLAG_HIDECSR) )
{
tVideo_IOCtl_Pos pos;
- pos.x = Term->WritePos % Term->Width;
- pos.y = Term->WritePos / Term->Width;
+ pos.x = (Term->WritePos - Term->ViewPos) % Term->TextWidth;
+ pos.y = (Term->WritePos - Term->ViewPos) / Term->TextWidth;
VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETCURSOR, &pos);
}
}
void VT_int_PutChar(tVTerm *Term, Uint32 Ch)
{
int i;
-
+
switch(Ch)
{
case '\0': return; // Ignore NULL byte
case '\n':
VT_int_UpdateScreen( Term, 0 ); // Update the line before newlining
- Term->WritePos += Term->Width;
+ Term->WritePos += Term->TextWidth;
case '\r':
- Term->WritePos -= Term->WritePos % Term->Width;
+ Term->WritePos -= Term->WritePos % Term->TextWidth;
break;
case '\t':
// Move Screen
// - Check if we need to scroll the entire scrollback buffer
- if(Term->WritePos >= Term->Width*Term->Height*(giVT_Scrollback+1))
+ if(Term->WritePos >= Term->TextWidth*Term->TextHeight*(giVT_Scrollback+1))
{
- int base, i;
-
- //Debug("Scrolling entire buffer");
+ int base;
// Move back by one
- Term->WritePos -= Term->Width;
+ Term->WritePos -= Term->TextWidth;
// Update the scren
VT_int_UpdateScreen( Term, 0 );
// Update view position
- base = Term->Width*Term->Height*(giVT_Scrollback);
+ base = Term->TextWidth*Term->TextHeight*(giVT_Scrollback);
if(Term->ViewPos < base)
Term->ViewPos += Term->Width;
if(Term->ViewPos > base)
Term->ViewPos = base;
// Scroll terminal cache
- base = Term->Width*(Term->Height*(giVT_Scrollback+1)-1);
+ base = Term->TextWidth*(Term->TextHeight*(giVT_Scrollback+1)-1);
memcpy(
Term->Text,
- &Term->Text[Term->Width],
- (Term->Width*Term->Height*(giVT_Scrollback+1)-Term->Width)*sizeof(tVT_Char)
+ &Term->Text[Term->TextWidth],
+ base*sizeof(tVT_Char)
);
// Clear last row
- for( i = 0; i < Term->Width; i ++ )
+ for( i = 0; i < Term->TextWidth; i ++ )
{
Term->Text[ base + i ].Ch = 0;
Term->Text[ base + i ].Colour = Term->CurColour;
VT_int_UpdateScreen( Term, 0 );
}
// Ok, so we only need to scroll the screen
- else if(Term->WritePos >= Term->ViewPos + Term->Width*Term->Height)
+ else if(Term->WritePos >= Term->ViewPos + Term->TextWidth*Term->TextHeight)
{
//Debug("Term->WritePos (%i) >= %i",
// Term->WritePos,
//Debug("Scrolling screen only");
// Update the last line
- Term->WritePos -= Term->Width;
+ Term->WritePos -= Term->TextWidth;
VT_int_UpdateScreen( Term, 0 );
- Term->WritePos += Term->Width;
+ Term->WritePos += Term->TextWidth;
+ VT_int_ClearLine(Term, Term->WritePos / Term->TextWidth);
// Scroll
- Term->ViewPos += Term->Width;
+ Term->ViewPos += Term->TextWidth;
//Debug("Term->ViewPos = %i", Term->ViewPos);
VT_int_ScrollFramebuffer( Term );
VT_int_UpdateScreen( Term, 0 );
buf.Op = VIDEO_2DOP_BLIT;
buf.DstX = 0; buf.DstY = 0;
buf.SrcX = 0; buf.SrcY = giVT_CharHeight;
- buf.W = Term->Width * giVT_CharWidth;
- buf.H = (Term->Height-1) * giVT_CharHeight;
+ buf.W = Term->TextWidth * giVT_CharWidth;
+ buf.H = (Term->TextHeight-1) * giVT_CharHeight;
VFS_WriteAt(giVT_OutputDevHandle, 0, sizeof(buf), &buf);
// Restore old mode (this function is only called during text mode)
VFS_WriteAt(
giVT_OutputDevHandle,
0,
- Term->Width*Term->Height*sizeof(tVT_Char),
+ Term->TextWidth*Term->TextHeight*sizeof(tVT_Char),
&Term->Text[Term->ViewPos]
);
}
// Only copy the current line
else {
- int pos = Term->WritePos - Term->WritePos % Term->Width;
+ int pos = Term->WritePos - Term->WritePos % Term->TextWidth;
VFS_WriteAt(
giVT_OutputDevHandle,
(pos - Term->ViewPos)*sizeof(tVT_Char),
- Term->Width*sizeof(tVT_Char),
+ Term->TextWidth*sizeof(tVT_Char),
&Term->Text[pos]
);
}
}
/**
- * \fn void VT_int_ChangeMode(tVTerm *Term, int NewMode)
- * \brief Change the mode of a VTerm
+ * \brief Update the screen mode
+ * \param Term Terminal to update
+ * \param NewMode New mode to set
+ * \param NewWidth New framebuffer width
+ * \param NewHeight New framebuffer height
*/
-void VT_int_ChangeMode(tVTerm *Term, int NewMode)
-{
+void VT_int_ChangeMode(tVTerm *Term, int NewMode, int NewWidth, int NewHeight)
+{
+ int oldW = Term->Width;
+ int oldTW = oldW / giVT_CharWidth;
+ int oldH = Term->Height;
+ int oldTH = oldH / giVT_CharWidth;
+ tVT_Char *oldTBuf = Term->Text;
+ Uint32 *oldFB = Term->Buffer;
+ int w, h, i;
+
+ // TODO: Increase RealWidth/RealHeight when this happens
+ if(NewWidth > giVT_RealWidth) NewWidth = giVT_RealWidth;
+ if(NewHeight > giVT_RealHeight) NewHeight = giVT_RealHeight;
+
+ // Calculate new dimensions
+ Term->TextWidth = NewWidth / giVT_CharWidth;
+ Term->TextHeight = NewHeight / giVT_CharHeight;
+ Term->Width = NewWidth;
+ Term->Height = NewHeight;
+ Term->Mode = NewMode;
+
+ // Allocate new buffers
+ // - Text
+ Term->Text = calloc(
+ Term->TextWidth * Term->TextHeight * (giVT_Scrollback+1),
+ sizeof(tVT_Char)
+ );
+ if(oldTBuf) {
+ // Copy old buffer
+ w = oldTW;
+ if( w > Term->TextWidth ) w = Term->TextWidth;
+ h = oldTH;
+ if( h > Term->TextHeight ) h = Term->TextHeight;
+ h *= giVT_Scrollback + 1;
+ for( i = 0; i < h; i ++ )
+ {
+ memcpy(
+ &Term->Text[i*Term->TextWidth],
+ &oldTBuf[i*oldTW],
+ w*sizeof(tVT_Char)
+ );
+
+ }
+ }
+
+ // - Framebuffer
+ Term->Buffer = calloc( Term->Width * Term->Height, sizeof(Uint32) );
+ if(oldFB) {
+ // Copy old buffer
+ w = oldW;
+ if( w > Term->Width ) w = Term->Width;
+ h = oldH;
+ if( h > Term->Height ) h = Term->Height;
+ for( i = 0; i < h; i ++ )
+ {
+ memcpy(
+ &Term->Buffer[i*Term->Width],
+ &oldFB[i*oldW],
+ w*sizeof(Uint32)
+ );
+ }
+ }
+
+
+ // Debug
switch(NewMode)
{
case TERM_MODE_TEXT:
- Log_Log("VTerm", "Set VT %p to text mode", Term);
- free(Term->Buffer);
- Term->Text = calloc( Term->Width*Term->Height*(giVT_Scrollback+1), sizeof(tVT_Char) );
+ Log_Log("VTerm", "Set VT %p to text mode (%ix%i)",
+ Term, Term->TextWidth, Term->TextHeight);
break;
case TERM_MODE_FB:
- Log_Log("VTerm", "Set VT %p to framebuffer mode (%ix%i)", Term,
- Term->Width, Term->Height);
- free(Term->Text);
- Term->Buffer = calloc( Term->Width*Term->Height, sizeof(Uint32) );
- Log_Debug("VTerm", "Term->Buffer = %p", Term->Buffer);
+ Log_Log("VTerm", "Set VT %p to framebuffer mode (%ix%i)",
+ Term, Term->Width, Term->Height);
break;
//case TERM_MODE_2DACCEL:
//case TERM_MODE_3DACCEL:
// return;
}
-
- Term->Mode = NewMode;
}
// ---
// === CODE ===
/**
- * \fn void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Pitch, Uint32 BGC, Uint32 FGC)
* \brief Render a font character
*/
-void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Pitch, Uint32 BGC, Uint32 FGC)
+void VT_Font_Render(Uint32 Codepoint, void *Buffer, int Depth, int Pitch, Uint32 BGC, Uint32 FGC)
{
Uint8 *font;
- Uint32 *buf = Buffer;
int x, y;
- font = VT_Font_GetChar(Codepoint);
-
- for(y = 0; y < FONT_HEIGHT; y ++)
+ // 8-bpp and below
+ if( Depth <= 8 )
+ {
+ Uint8 *buf = Buffer;
+
+ font = VT_Font_GetChar(Codepoint);
+
+ for(y = 0; y < FONT_HEIGHT; y ++)
+ {
+ for(x = 0; x < FONT_WIDTH; x ++)
+ {
+ if(*font & (1 << (FONT_WIDTH-x-1)))
+ buf[x] = FGC;
+ else
+ buf[x] = BGC;
+ }
+ buf = (void*)( (tVAddr)buf + Pitch );
+ font ++;
+ }
+ }
+ // 16-bpp and below
+ else if( Depth <= 16 )
{
- for(x = 0; x < FONT_WIDTH; x ++)
+ Uint16 *buf = Buffer;
+
+ font = VT_Font_GetChar(Codepoint);
+
+ for(y = 0; y < FONT_HEIGHT; y ++)
{
- if(*font & (1 << (FONT_WIDTH-x-1)))
- buf[x] = FGC;
- else
- buf[x] = BGC;
+ for(x = 0; x < FONT_WIDTH; x ++)
+ {
+ if(*font & (1 << (FONT_WIDTH-x-1)))
+ buf[x] = FGC;
+ else
+ buf[x] = BGC;
+ }
+ buf = (void*)( (tVAddr)buf + Pitch );
+ font ++;
+ }
+ }
+ // 24-bpp colour
+ // - Special handling to not overwrite the next pixel
+ //TODO: Endian issues here
+ else if( Depth == 24 )
+ {
+ Uint8 *buf = Buffer;
+ Uint8 bg_r = (BGC >> 16) & 0xFF;
+ Uint8 bg_g = (BGC >> 8) & 0xFF;
+ Uint8 bg_b = (BGC >> 0) & 0xFF;
+ Uint8 fg_r = (FGC >> 16) & 0xFF;
+ Uint8 fg_g = (FGC >> 8) & 0xFF;
+ Uint8 fg_b = (FGC >> 0) & 0xFF;
+
+ font = VT_Font_GetChar(Codepoint);
+
+ for(y = 0; y < FONT_HEIGHT; y ++)
+ {
+ for(x = 0; x < FONT_WIDTH; x ++)
+ {
+ Uint8 r, g, b;
+
+ if(*font & (1 << (FONT_WIDTH-x-1))) {
+ r = fg_r; g = fg_g; b = fg_b;
+ }
+ else {
+ r = bg_r; g = bg_g; b = bg_b;
+ }
+ buf[x*3+0] = b;
+ buf[x*3+1] = g;
+ buf[x*3+2] = r;
+ }
+ buf = (void*)( (tVAddr)buf + Pitch );
+ font ++;
+ }
+ }
+ // 32-bpp colour (nice and easy)
+ else if( Depth == 32 )
+ {
+ Uint32 *buf = Buffer;
+
+ font = VT_Font_GetChar(Codepoint);
+
+ for(y = 0; y < FONT_HEIGHT; y ++)
+ {
+ for(x = 0; x < FONT_WIDTH; x ++)
+ {
+ if(*font & (1 << (FONT_WIDTH-x-1)))
+ buf[x] = FGC;
+ else
+ buf[x] = BGC;
+ }
+ buf = (Uint32*)( (tVAddr)buf + Pitch );
+ font ++;
}
- buf += Pitch;
- font ++;
}
}
/**
* \fn Uint32 VT_Colour12to24(Uint16 Col12)
- * \brief Converts a
+ * \brief Converts a 12-bit colour into 24 bits
*/
Uint32 VT_Colour12to24(Uint16 Col12)
{
ret |= (tmp << 16) | (tmp << 20);
return ret;
}
+/**
+ * \brief Converts a 12-bit colour into 15 bits
+ */
+Uint16 VT_Colour12to15(Uint16 Col12)
+{
+ Uint32 ret;
+ int tmp;
+ tmp = Col12 & 0xF;
+ ret = (tmp << 1) | (tmp & 1);
+ tmp = (Col12 & 0xF0) >> 4;
+ ret |= ( (tmp << 1) | (tmp & 1) ) << 5;
+ tmp = (Col12 & 0xF00) >> 8;
+ ret |= ( (tmp << 1) | (tmp & 1) ) << 10;
+ return ret;
+}
+
+/**
+ * \brief Converts a 12-bit colour into any other depth
+ * \param Col12 12-bit source colour
+ * \param Depth Desired bit deptj
+ * \note Green then blue get the extra avaliable bits (16:5-6-5, 14:4-5-5)
+ */
+Uint32 VT_Colour12toN(Uint16 Col12, int Depth)
+{
+ Uint32 ret;
+ Uint32 r, g, b;
+ int rSize, gSize, bSize;
+
+ // Fast returns
+ if( Depth == 24 ) return VT_Colour12to24(Col12);
+ if( Depth == 15 ) return VT_Colour12to15(Col12);
+
+ // Bounds checks
+ if( Depth < 8 ) return 0;
+ if( Depth > 32 ) return 0;
+
+ r = Col12 & 0xF;
+ g = (Col12 & 0xF0) >> 4;
+ b = (Col12 & 0xF00) >> 8;
+
+ rSize = gSize = bSize = Depth / 3;
+ if( rSize + gSize + bSize < Depth ) // Depth % 3 == 1
+ gSize ++;
+ if( rSize + gSize + bSize < Depth ) // Depth % 3 == 2
+ bSize ++;
+
+ // Expand
+ r <<= rSize - 4; g <<= gSize - 4; b <<= bSize - 4;
+ // Fill with the lowest bit
+ if( Col12 & 0x001 ) r |= (1 << (rSize - 4)) - 1;
+ if( Col12 & 0x010 ) r |= (1 << (gSize - 4)) - 1;
+ if( Col12 & 0x100 ) r |= (1 << (bSize - 4)) - 1;
+
+ // Create output
+ ret = r;
+ ret |= g << rSize;
+ ret |= b << (rSize + gSize);
+
+ return ret;
+}
/**
* \fn Uint8 *VT_Font_GetChar(Uint32 Codepoint)