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
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];
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_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_UpdateResolution(tVTerm *Term, int NewWidth, int NewHeight);
+void VT_int_ChangeMode(tVTerm *Term, int NewMode, int NewWidth, int NewHeight);
// === CONSTANTS ===
const Uint16 caVT100Colours[] = {
val = arg + strpos(arg, '='); *val++ = '\0';
if( strcmp(opt, "Video") == 0 ) {
- if(gsVT_OutputDevice) free(gsVT_OutputDevice);
- gsVT_OutputDevice = strdup(val);
+ gsVT_OutputDevice = val;
}
else if( strcmp(opt, "Input") == 0 ) {
- if(gsVT_InputDevice) free(gsVT_InputDevice);
- gsVT_InputDevice = strdup(val);
+ gsVT_InputDevice = val;
}
else if( strcmp(opt, "Width") == 0 ) {
giVT_RealWidth = atoi( val );
}
}
+ 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 = DEFAULT_OUTPUT;
+ if(!gsVT_InputDevice) gsVT_InputDevice = 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].WritePos = 0;
gVT_Terminals[i].ViewPos = 0;
- VT_int_UpdateResolution( &gVT_Terminals[i], giVT_RealWidth, giVT_RealHeight );
+ // 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';
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 );
}
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;
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;
}
}
// 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 )
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;
}
- if( term->Mode == TERM_MODE_TEXT ) {
- VT_int_UpdateResolution(term, *iData * giVT_CharWidth, term->Height);
- }
- else {
- VT_int_UpdateResolution(term, *iData, term->Height);
- }
+ term->NewWidth = *iData;
}
- if( term->Mode == TERM_MODE_TEXT )
+ if( term->NewWidth )
+ ret = term->NewWidth;
+ else if( term->Mode == TERM_MODE_TEXT )
ret = term->TextWidth;
else
ret = term->Width;
LEAVE('i', -1);
return -1;
}
- if( term->Mode == TERM_MODE_TEXT ) {
- VT_int_UpdateResolution(term, term->Width, *iData * giVT_CharWidth);
- }
- else {
- VT_int_UpdateResolution(term, term->Width, *iData);
- }
+ term->NewHeight = *iData;
}
- if( term->Mode == TERM_MODE_TEXT )
- ret = term->TextHeight = *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 -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->TextWidth;
- pos.y = gpVT_CurTerm->WritePos / gpVT_CurTerm->TextWidth;
- 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 )
term->InputRead %= MAX_INPUT_CHARS32;
}
}
+
+ // Wake up the thread waiting on us
+ if( term->ReadingThread >= 0 ) {
+ Threads_WakeTID(term->ReadingThread);
+ }
}
/**
{
int i;
tVT_Char *cell = &Term->Text[ Num*Term->TextWidth ];
- if( Num < 0 || Num >= Term->TextHeight ) return ;
+ if( Num < 0 || Num >= Term->TextHeight * (giVT_Scrollback + 1) ) return ;
//ENTER("pTerm iNum", Term, Num);
for( i = Term->TextWidth; i--; )
{
} 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( Term == gpVT_CurTerm && !(Term->Flags & VT_FLAG_HIDECSR) )
{
tVideo_IOCtl_Pos pos;
- pos.x = Term->WritePos % Term->TextWidth;
- pos.y = Term->WritePos / Term->TextWidth;
+ pos.x = (Term->WritePos - Term->ViewPos) % Term->TextWidth;
+ pos.y = (Term->WritePos - Term->ViewPos) / Term->TextWidth;
VFS_IOCtl(giVT_OutputDevHandle, VIDEO_IOCTL_SETCURSOR, &pos);
}
}
{
int base, i;
- //Debug("Scrolling entire buffer");
-
// Move back by one
Term->WritePos -= Term->TextWidth;
// Update the scren
Term->WritePos -= Term->TextWidth;
VT_int_UpdateScreen( Term, 0 );
Term->WritePos += Term->TextWidth;
+ VT_int_ClearLine(Term, Term->WritePos / Term->TextWidth);
// Scroll
Term->ViewPos += Term->TextWidth;
}
/**
- * \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)
-{
- switch(NewMode)
- {
- case TERM_MODE_TEXT:
- Log_Log("VTerm", "Set VT %p to text mode", Term);
- break;
- case TERM_MODE_FB:
- 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;
-}
-
-void VT_int_UpdateResolution(tVTerm *Term, int NewWidth, int NewHeight)
+void VT_int_ChangeMode(tVTerm *Term, int NewMode, int NewWidth, int NewHeight)
{
int oldW = Term->Width;
int oldTW = oldW / giVT_CharWidth;
Term->TextHeight = NewHeight / giVT_CharHeight;
Term->Width = NewWidth;
Term->Height = NewHeight;
+ Term->Mode = NewMode;
// Allocate new buffers
// - Text
);
}
}
+
+
+ // Debug
+ switch(NewMode)
+ {
+ case TERM_MODE_TEXT:
+ 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);
+ break;
+ //case TERM_MODE_2DACCEL:
+ //case TERM_MODE_3DACCEL:
+ // return;
+ }
}
// ---
git.ucc.asn.au / tpg / acess2.git / blobdiff
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