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gzdoom/src/c_console.cpp

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/*
** c_console.cpp
** Implements the console itself
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "templates.h"
#include "p_setup.h"
#include <stdarg.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include "version.h"
#include "g_game.h"
#include "c_console.h"
#include "c_cvars.h"
#include "c_dispatch.h"
#include "hu_stuff.h"
#include "i_system.h"
#include "i_video.h"
#include "i_input.h"
#include "m_swap.h"
#include "v_palette.h"
#include "v_video.h"
#include "v_text.h"
#include "w_wad.h"
#include "r_main.h"
#include "r_draw.h"
#include "sbar.h"
#include "s_sound.h"
#include "s_sndseq.h"
#include "doomstat.h"
#include "d_gui.h"
#include "v_video.h"
#include "cmdlib.h"
#include "d_net.h"
#include "g_level.h"
#include "d_event.h"
#include "gi.h"
#define CONSOLESIZE 16384 // Number of characters to store in console
#define CONSOLELINES 256 // Max number of lines of console text
#define LINEMASK (CONSOLELINES-1)
#define LEFTMARGIN 8
#define RIGHTMARGIN 8
#define BOTTOMARGIN 12
static void C_TabComplete (bool goForward);
static bool C_TabCompleteList ();
static bool TabbedLast; // True if last key pressed was tab
static bool TabbedList; // True if tab list was shown
CVAR (Bool, con_notablist, false, CVAR_ARCHIVE)
static FTextureID conback;
static DWORD conshade;
static bool conline;
extern int gametic;
extern bool automapactive; // in AM_map.c
extern bool advancedemo;
extern FBaseCVar *CVars;
extern FConsoleCommand *Commands[FConsoleCommand::HASH_SIZE];
int ConCols, PhysRows;
bool vidactive = false;
bool cursoron = false;
int ConBottom, ConScroll, RowAdjust;
int CursorTicker;
constate_e ConsoleState = c_up;
static char ConsoleBuffer[CONSOLESIZE];
static char *Lines[CONSOLELINES];
static bool LineJoins[CONSOLELINES];
static int TopLine, InsertLine;
static char *BufferRover = ConsoleBuffer;
static void ClearConsole ();
static void C_PasteText(FString clip, BYTE *buffer, int len);
struct GameAtExit
{
GameAtExit *Next;
char Command[1];
};
static GameAtExit *ExitCmdList;
#define SCROLLUP 1
#define SCROLLDN 2
#define SCROLLNO 0
EXTERN_CVAR (Bool, show_messages)
static unsigned int TickerAt, TickerMax;
static bool TickerPercent;
static const char *TickerLabel;
static bool TickerVisible;
static bool ConsoleDrawing;
// Buffer for AddToConsole()
static char *work = NULL;
static int worklen = 0;
struct History
{
struct History *Older;
struct History *Newer;
char String[1];
};
// CmdLine[0] = # of chars on command line
// CmdLine[1] = cursor position
// CmdLine[2+] = command line (max 255 chars + NULL)
// CmdLine[259]= offset from beginning of cmdline to display
static BYTE CmdLine[260];
#define MAXHISTSIZE 50
static struct History *HistHead = NULL, *HistTail = NULL, *HistPos = NULL;
static int HistSize;
CVAR (Float, con_notifytime, 3.f, CVAR_ARCHIVE)
CVAR (Bool, con_centernotify, false, CVAR_ARCHIVE)
CUSTOM_CVAR (Int, con_scaletext, 0, CVAR_ARCHIVE) // Scale notify text at high resolutions?
{
if (self < 0) self = 0;
if (self > 2) self = 2;
}
CUSTOM_CVAR(Float, con_alpha, 0.75f, CVAR_ARCHIVE)
{
if (self < 0.f) self = 0.f;
if (self > 1.f) self = 1.f;
}
// Command to run when Ctrl-D is pressed at start of line
CVAR (String, con_ctrl_d, "", CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
#define NUMNOTIFIES 4
#define NOTIFYFADETIME 6
static struct NotifyText
{
int TimeOut;
int PrintLevel;
FString Text;
} NotifyStrings[NUMNOTIFIES];
static int NotifyTop, NotifyTopGoal;
#define PRINTLEVELS 5
int PrintColors[PRINTLEVELS+2] = { CR_RED, CR_GOLD, CR_GRAY, CR_GREEN, CR_GREEN, CR_GOLD };
static void setmsgcolor (int index, int color);
FILE *Logfile = NULL;
void C_AddNotifyString (int printlevel, const char *source);
FIntCVar msglevel ("msg", 0, CVAR_ARCHIVE);
CUSTOM_CVAR (Int, msg0color, 6, CVAR_ARCHIVE)
{
setmsgcolor (0, self);
}
CUSTOM_CVAR (Int, msg1color, 5, CVAR_ARCHIVE)
{
setmsgcolor (1, self);
}
CUSTOM_CVAR (Int, msg2color, 2, CVAR_ARCHIVE)
{
setmsgcolor (2, self);
}
CUSTOM_CVAR (Int, msg3color, 3, CVAR_ARCHIVE)
{
setmsgcolor (3, self);
}
CUSTOM_CVAR (Int, msg4color, 3, CVAR_ARCHIVE)
{
setmsgcolor (4, self);
}
CUSTOM_CVAR (Int, msgmidcolor, 5, CVAR_ARCHIVE)
{
setmsgcolor (PRINTLEVELS, self);
}
CUSTOM_CVAR (Int, msgmidcolor2, 4, CVAR_ARCHIVE)
{
setmsgcolor (PRINTLEVELS+1, self);
}
static void maybedrawnow (bool tick, bool force)
{
// FIXME: Does not work right with hw2d
if (ConsoleDrawing || screen == NULL || screen->IsLocked () || screen->Accel2D || ConFont == NULL)
{
return;
}
if (vidactive &&
(((tick || gameaction != ga_nothing) && ConsoleState == c_down)
|| gamestate == GS_STARTUP))
{
static size_t lastprinttime = 0;
size_t nowtime = I_GetTime(false);
if (nowtime - lastprinttime > 1 || force)
{
screen->Lock (false);
C_DrawConsole (false);
screen->Update ();
lastprinttime = nowtime;
}
}
}
struct TextQueue
{
TextQueue (bool notify, int printlevel, const char *text)
: Next(NULL), bNotify(notify), PrintLevel(printlevel), Text(text)
{
}
TextQueue *Next;
bool bNotify;
int PrintLevel;
FString Text;
};
TextQueue *EnqueuedText, **EnqueuedTextTail = &EnqueuedText;
void EnqueueConsoleText (bool notify, int printlevel, const char *text)
{
TextQueue *queued = new TextQueue (notify, printlevel, text);
*EnqueuedTextTail = queued;
EnqueuedTextTail = &queued->Next;
}
void DequeueConsoleText ()
{
TextQueue *queued = EnqueuedText;
while (queued != NULL)
{
TextQueue *next = queued->Next;
if (queued->bNotify)
{
C_AddNotifyString (queued->PrintLevel, queued->Text);
}
else
{
AddToConsole (queued->PrintLevel, queued->Text);
}
delete queued;
queued = next;
}
EnqueuedText = NULL;
EnqueuedTextTail = &EnqueuedText;
}
void C_InitConback()
{
conback = TexMan.CheckForTexture ("CONBACK", FTexture::TEX_MiscPatch);
if (!conback.isValid())
{
conback = TexMan.GetTexture (gameinfo.titlePage, FTexture::TEX_MiscPatch);
conshade = MAKEARGB(175,0,0,0);
conline = true;
}
else
{
conshade = 0;
conline = false;
}
}
void C_InitConsole (int width, int height, bool ingame)
{
int cwidth, cheight;
vidactive = ingame;
if (ConFont != NULL)
{
cwidth = ConFont->GetCharWidth ('M');
cheight = ConFont->GetHeight();
}
else
{
cwidth = cheight = 8;
}
ConCols = (width - LEFTMARGIN - RIGHTMARGIN) / cwidth;
PhysRows = height / cheight;
// If there is some text in the console buffer, reformat it
// for the new resolution.
if (TopLine != InsertLine)
{
// Note: Don't use new here, because we attach a handler to new in
// i_main.cpp that calls I_FatalError if the allocation fails,
// but we can gracefully handle such a condition here by just
// clearing the console buffer. (OTOH, what are the chances that
// any other memory allocations would succeed if we can't get
// these mallocs here?)
char *fmtBuff = (char *)malloc (CONSOLESIZE);
char **fmtLines = (char **)malloc (CONSOLELINES*sizeof(char*)*4);
int out = 0;
if (fmtBuff && fmtLines)
{
int in;
char *fmtpos;
bool newline = true;
fmtpos = fmtBuff;
memset (fmtBuff, 0, CONSOLESIZE);
for (in = TopLine; in != InsertLine; in = (in + 1) & LINEMASK)
{
size_t len = strlen (Lines[in]);
if (fmtpos + len + 2 - fmtBuff > CONSOLESIZE)
{
break;
}
if (newline)
{
newline = false;
fmtLines[out++] = fmtpos;
}
strcpy (fmtpos, Lines[in]);
fmtpos += len;
if (!LineJoins[in])
{
*fmtpos++ = '\n';
fmtpos++;
if (out == CONSOLELINES*4)
{
break;
}
newline = true;
}
}
}
ClearConsole ();
if (fmtBuff && fmtLines)
{
int i;
for (i = 0; i < out; i++)
{
AddToConsole (-1, fmtLines[i]);
}
}
if (fmtBuff)
free (fmtBuff);
if (fmtLines)
free (fmtLines);
}
}
//==========================================================================
//
// CCMD atexit
//
//==========================================================================
CCMD (atexit)
{
if (argv.argc() == 1)
{
Printf ("Registered atexit commands:\n");
GameAtExit *record = ExitCmdList;
while (record != NULL)
{
Printf ("%s\n", record->Command);
record = record->Next;
}
return;
}
for (int i = 1; i < argv.argc(); ++i)
{
GameAtExit *record = (GameAtExit *)M_Malloc (
sizeof(GameAtExit)+strlen(argv[i]));
strcpy (record->Command, argv[i]);
record->Next = ExitCmdList;
ExitCmdList = record;
}
}
//==========================================================================
//
// C_DeinitConsole
//
// Executes the contents of the atexit cvar, if any, at quit time.
// Then releases all of the console's memory.
//
//==========================================================================
void C_DeinitConsole ()
{
GameAtExit *cmd = ExitCmdList;
while (cmd != NULL)
{
GameAtExit *next = cmd->Next;
AddCommandString (cmd->Command);
M_Free (cmd);
cmd = next;
}
// Free command history
History *hist = HistTail;
while (hist != NULL)
{
History *next = hist->Newer;
free (hist);
hist = next;
}
HistTail = HistHead = HistPos = NULL;
// Free cvars allocated at runtime
FBaseCVar *var, *next, **nextp;
for (var = CVars, nextp = &CVars; var != NULL; var = next)
{
next = var->m_Next;
if (var->GetFlags() & CVAR_UNSETTABLE)
{
delete var;
*nextp = next;
}
else
{
nextp = &var->m_Next;
}
}
// Free alias commands. (i.e. The "commands" that can be allocated
// at runtime.)
for (size_t i = 0; i < countof(Commands); ++i)
{
FConsoleCommand *cmd = Commands[i];
while (cmd != NULL)
{
FConsoleCommand *next = cmd->m_Next;
if (cmd->IsAlias())
{
delete cmd;
}
cmd = next;
}
}
// Make sure all tab commands are cleared before the memory for
// their names is deallocated.
C_ClearTabCommands ();
// Free AddToConsole()'s work buffer
if (work != NULL)
{
free (work);
work = NULL;
worklen = 0;
}
}
static void ClearConsole ()
{
RowAdjust = 0;
TopLine = InsertLine = 0;
BufferRover = ConsoleBuffer;
memset (ConsoleBuffer, 0, CONSOLESIZE);
memset (Lines, 0, sizeof(Lines));
memset (LineJoins, 0, sizeof(LineJoins));
}
static void setmsgcolor (int index, int color)
{
if ((unsigned)color >= (unsigned)NUM_TEXT_COLORS)
color = 0;
PrintColors[index] = color;
}
extern int DisplayWidth;
void C_AddNotifyString (int printlevel, const char *source)
{
static enum
{
NEWLINE,
APPENDLINE,
REPLACELINE
} addtype = NEWLINE;
FBrokenLines *lines;
int i, len, width;
if ((printlevel != 128 && !show_messages) ||
!(len = (int)strlen (source)) ||
gamestate == GS_FULLCONSOLE ||
gamestate == GS_DEMOSCREEN)
return;
if (ConsoleDrawing)
{
EnqueueConsoleText (true, printlevel, source);
return;
}
width = con_scaletext > 1 ? DisplayWidth/2 : con_scaletext == 1 ? DisplayWidth / CleanXfac : DisplayWidth;
if (addtype == APPENDLINE && NotifyStrings[NUMNOTIFIES-1].PrintLevel == printlevel)
{
FString str = NotifyStrings[NUMNOTIFIES-1].Text + source;
lines = V_BreakLines (SmallFont, width, str);
}
else
{
lines = V_BreakLines (SmallFont, width, source);
addtype = (addtype == APPENDLINE) ? NEWLINE : addtype;
}
if (lines == NULL)
return;
for (i = 0; lines[i].Width >= 0; i++)
{
if (addtype == NEWLINE)
{
for (int j = 0; j < NUMNOTIFIES-1; ++j)
{
NotifyStrings[j] = NotifyStrings[j+1];
}
}
NotifyStrings[NUMNOTIFIES-1].Text = lines[i].Text;
NotifyStrings[NUMNOTIFIES-1].TimeOut = gametic + (int)(con_notifytime * TICRATE);
NotifyStrings[NUMNOTIFIES-1].PrintLevel = printlevel;
addtype = NEWLINE;
}
V_FreeBrokenLines (lines);
lines = NULL;
switch (source[len-1])
{
case '\r': addtype = REPLACELINE; break;
case '\n': addtype = NEWLINE; break;
default: addtype = APPENDLINE; break;
}
NotifyTopGoal = 0;
}
static int FlushLines (const char *start, const char *stop)
{
int i;
for (i = TopLine; i != InsertLine; i = (i + 1) & LINEMASK)
{
if (Lines[i] < stop && Lines[i] + strlen (Lines[i]) > start)
{
Lines[i] = NULL;
}
else
{
break;
}
}
if (i != TopLine)
i = i;
return i;
}
static void AddLine (const char *text, bool more, size_t len)
{
if (BufferRover + len + 1 - ConsoleBuffer > CONSOLESIZE)
{
TopLine = FlushLines (BufferRover, ConsoleBuffer + CONSOLESIZE);
BufferRover = ConsoleBuffer;
}
if (len >= CONSOLESIZE - 1)
{
text = text + len - CONSOLESIZE + 1;
len = CONSOLESIZE - 1;
}
TopLine = FlushLines (BufferRover, BufferRover + len + 1);
memcpy (BufferRover, text, len);
BufferRover[len] = 0;
Lines[InsertLine] = BufferRover;
BufferRover += len + 1;
LineJoins[InsertLine] = more;
InsertLine = (InsertLine + 1) & LINEMASK;
if (InsertLine == TopLine)
{
TopLine = (TopLine + 1) & LINEMASK;
}
}
void AddToConsole (int printlevel, const char *text)
{
static enum
{
NEWLINE,
APPENDLINE,
REPLACELINE
} addtype = NEWLINE;
char *work_p;
char *linestart;
FString cc('A' + char(CR_TAN));
int size, len;
int x;
int maxwidth;
if (ConsoleDrawing)
{
EnqueueConsoleText (false, printlevel, text);
return;
}
len = (int)strlen (text);
size = len + 20;
if (addtype != NEWLINE)
{
InsertLine = (InsertLine - 1) & LINEMASK;
if (Lines[InsertLine] == NULL)
{
InsertLine = (InsertLine + 1) & LINEMASK;
addtype = NEWLINE;
}
else
{
BufferRover = Lines[InsertLine];
}
}
if (addtype == APPENDLINE)
{
size += (int)strlen (Lines[InsertLine]);
}
if (size > worklen)
{
work = (char *)M_Realloc (work, size);
worklen = size;
}
if (work == NULL)
{
static char oom[] = TEXTCOLOR_RED "*** OUT OF MEMORY ***";
work = oom;
worklen = 0;
}
else
{
if (addtype == APPENDLINE)
{
strcpy (work, Lines[InsertLine]);
strcat (work, text);
}
else if (printlevel >= 0)
{
work[0] = TEXTCOLOR_ESCAPE;
work[1] = 'A' + (printlevel == PRINT_HIGH ? CR_TAN :
printlevel == 200 ? CR_GREEN :
printlevel < PRINTLEVELS ? PrintColors[printlevel] :
CR_TAN);
cc = work[1];
strcpy (work + 2, text);
}
else
{
strcpy (work, text);
}
}
work_p = linestart = work;
if (ConFont != NULL && screen != NULL)
{
x = 0;
maxwidth = screen->GetWidth() - LEFTMARGIN - RIGHTMARGIN;
while (*work_p)
{
if (*work_p == TEXTCOLOR_ESCAPE)
{
work_p++;
if (*work_p == '[')
{
char *start = work_p;
while (*work_p != ']' && *work_p != '\0')
{
work_p++;
}
if (*work_p != '\0')
{
work_p++;
}
cc = FString(start, work_p - start);
}
else if (*work_p != '\0')
{
cc = *work_p++;
}
continue;
}
int w = ConFont->GetCharWidth (*work_p);
if (*work_p == '\n' || x + w > maxwidth)
{
AddLine (linestart, *work_p != '\n', work_p - linestart);
if (*work_p == '\n')
{
x = 0;
work_p++;
}
else
{
x = w;
}
if (*work_p)
{
linestart = work_p - 1 - cc.Len();
if (linestart < work)
{
// The line start is outside the buffer.
// Make space for the newly inserted stuff.
size_t movesize = work-linestart;
memmove(work + movesize, work, strlen(work));
work_p += movesize;
linestart = work;
}
linestart[0] = TEXTCOLOR_ESCAPE;
strncpy (linestart + 1, cc, cc.Len());
}
else
{
linestart = work_p;
}
}
else
{
x += w;
work_p++;
}
}
if (*linestart)
{
AddLine (linestart, true, work_p - linestart);
}
}
else
{
while (*work_p)
{
if (*work_p++ == '\n')
{
AddLine (linestart, false, work_p - linestart - 1);
linestart = work_p;
}
}
if (*linestart)
{
AddLine (linestart, true, work_p - linestart);
}
}
switch (text[len-1])
{
case '\r': addtype = REPLACELINE; break;
case '\n': addtype = NEWLINE; break;
default: addtype = APPENDLINE; break;
}
}
/* Adds a string to the console and also to the notify buffer */
int PrintString (int printlevel, const char *outline)
{
if (printlevel < msglevel || *outline == '\0')
{
return 0;
}
if (Logfile)
{
// Strip out any color escape sequences before writing to the log file
char * copy = new char[strlen(outline)+1];
const char * srcp = outline;
char * dstp = copy;
while (*srcp != 0)
{
if (*srcp!=0x1c)
{
*dstp++=*srcp++;
}
else
{
if (srcp[1]!=0) srcp+=2;
else break;
}
}
*dstp=0;
fputs (copy, Logfile);
delete [] copy;
//#ifdef _DEBUG
fflush (Logfile);
//#endif
}
if (printlevel != PRINT_LOG)
{
I_PrintStr (outline);
AddToConsole (printlevel, outline);
if (vidactive && screen && SmallFont)
{
C_AddNotifyString (printlevel, outline);
maybedrawnow (false, false);
}
}
return (int)strlen (outline);
}
extern bool gameisdead;
int VPrintf (int printlevel, const char *format, va_list parms)
{
if (gameisdead)
return 0;
FString outline;
outline.VFormat (format, parms);
return PrintString (printlevel, outline.GetChars());
}
int STACK_ARGS Printf (int printlevel, const char *format, ...)
{
va_list argptr;
int count;
va_start (argptr, format);
count = VPrintf (printlevel, format, argptr);
va_end (argptr);
return count;
}
int STACK_ARGS Printf (const char *format, ...)
{
va_list argptr;
int count;
va_start (argptr, format);
count = VPrintf (PRINT_HIGH, format, argptr);
va_end (argptr);
return count;
}
int STACK_ARGS DPrintf (const char *format, ...)
{
va_list argptr;
int count;
if (developer)
{
va_start (argptr, format);
count = VPrintf (PRINT_HIGH, format, argptr);
va_end (argptr);
return count;
}
else
{
return 0;
}
}
void C_FlushDisplay ()
{
int i;
for (i = 0; i < NUMNOTIFIES; i++)
NotifyStrings[i].TimeOut = 0;
}
void C_AdjustBottom ()
{
if (gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP)
ConBottom = SCREENHEIGHT;
else if (ConBottom > SCREENHEIGHT / 2 || ConsoleState == c_down)
ConBottom = SCREENHEIGHT / 2;
}
void C_NewModeAdjust ()
{
C_InitConsole (SCREENWIDTH, SCREENHEIGHT, true);
C_FlushDisplay ();
C_AdjustBottom ();
}
void C_Ticker ()
{
static int lasttic = 0;
if (lasttic == 0)
lasttic = gametic - 1;
if (ConsoleState != c_up)
{
if (ConsoleState == c_falling)
{
ConBottom += (gametic - lasttic) * (SCREENHEIGHT*2/25);
if (ConBottom >= SCREENHEIGHT / 2)
{
ConBottom = SCREENHEIGHT / 2;
ConsoleState = c_down;
}
}
else if (ConsoleState == c_rising)
{
ConBottom -= (gametic - lasttic) * (SCREENHEIGHT*2/25);
if (ConBottom <= 0)
{
ConsoleState = c_up;
ConBottom = 0;
}
}
}
if (--CursorTicker <= 0)
{
cursoron ^= 1;
CursorTicker = C_BLINKRATE;
}
lasttic = gametic;
if (NotifyTopGoal > NotifyTop)
{
NotifyTop++;
}
else if (NotifyTopGoal < NotifyTop)
{
NotifyTop--;
}
}
static void C_DrawNotifyText ()
{
bool center = (con_centernotify != 0.f);
int i, line, lineadv, color, j, skip;
bool canskip;
if (gamestate == GS_FULLCONSOLE || gamestate == GS_DEMOSCREEN/* || menuactive != MENU_Off*/)
return;
line = NotifyTop;
skip = 0;
canskip = true;
lineadv = SmallFont->GetHeight ();
if (con_scaletext == 1)
{
lineadv *= CleanYfac;
}
BorderTopRefresh = screen->GetPageCount ();
for (i = 0; i < NUMNOTIFIES; i++)
{
if (NotifyStrings[i].TimeOut == 0)
continue;
j = NotifyStrings[i].TimeOut - gametic;
if (j > 0)
{
if (!show_messages && NotifyStrings[i].PrintLevel != 128)
continue;
fixed_t alpha;
if (j < NOTIFYFADETIME)
{
alpha = OPAQUE * j / NOTIFYFADETIME;
}
else
{
alpha = OPAQUE;
}
if (NotifyStrings[i].PrintLevel >= PRINTLEVELS)
color = CR_UNTRANSLATED;
else
color = PrintColors[NotifyStrings[i].PrintLevel];
if (con_scaletext == 1)
{
if (!center)
screen->DrawText (SmallFont, color, 0, line, NotifyStrings[i].Text,
DTA_CleanNoMove, true, DTA_Alpha, alpha, TAG_DONE);
else
screen->DrawText (SmallFont, color, (SCREENWIDTH -
SmallFont->StringWidth (NotifyStrings[i].Text)*CleanXfac)/2,
line, NotifyStrings[i].Text, DTA_CleanNoMove, true,
DTA_Alpha, alpha, TAG_DONE);
}
else if (con_scaletext == 0)
{
if (!center)
screen->DrawText (SmallFont, color, 0, line, NotifyStrings[i].Text,
DTA_Alpha, alpha, TAG_DONE);
else
screen->DrawText (SmallFont, color, (SCREENWIDTH -
SmallFont->StringWidth (NotifyStrings[i].Text))/2,
line, NotifyStrings[i].Text,
DTA_Alpha, alpha, TAG_DONE);
}
else
{
if (!center)
screen->DrawText (SmallFont, color, 0, line, NotifyStrings[i].Text,
DTA_VirtualWidth, screen->GetWidth() / 2,
DTA_VirtualHeight, screen->GetHeight() / 2,
DTA_KeepRatio, true,
DTA_Alpha, alpha, TAG_DONE);
else
screen->DrawText (SmallFont, color, (screen->GetWidth() / 2 -
SmallFont->StringWidth (NotifyStrings[i].Text))/2,
line, NotifyStrings[i].Text,
DTA_VirtualWidth, screen->GetWidth() / 2,
DTA_VirtualHeight, screen->GetHeight() / 2,
DTA_KeepRatio, true,
DTA_Alpha, alpha, TAG_DONE);
}
line += lineadv;
canskip = false;
}
else
{
if (canskip)
{
NotifyTop += lineadv;
line += lineadv;
skip++;
}
NotifyStrings[i].TimeOut = 0;
}
}
if (canskip)
{
NotifyTop = NotifyTopGoal;
}
}
void C_InitTicker (const char *label, unsigned int max, bool showpercent)
{
TickerPercent = showpercent;
TickerMax = max;
TickerLabel = label;
TickerAt = 0;
maybedrawnow (true, false);
}
void C_SetTicker (unsigned int at, bool forceUpdate)
{
TickerAt = at > TickerMax ? TickerMax : at;
maybedrawnow (true, TickerVisible ? forceUpdate : false);
}
void C_DrawConsole (bool hw2d)
{
static int oldbottom = 0;
int lines, left, offset;
left = LEFTMARGIN;
lines = (ConBottom-ConFont->GetHeight()*2)/ConFont->GetHeight();
if (-ConFont->GetHeight() + lines*ConFont->GetHeight() > ConBottom - ConFont->GetHeight()*7/2)
{
offset = -ConFont->GetHeight()/2;
lines--;
}
else
{
offset = -ConFont->GetHeight();
}
if ((ConBottom < oldbottom) &&
(gamestate == GS_LEVEL || gamestate == GS_TITLELEVEL) &&
(viewwindowx || viewwindowy) &&
viewactive)
{
BorderNeedRefresh = screen->GetPageCount ();
}
oldbottom = ConBottom;
if (ConsoleState == c_up)
{
C_DrawNotifyText ();
return;
}
else if (ConBottom)
{
int visheight, realheight;
FTexture *conpic = TexMan[conback];
visheight = ConBottom;
realheight = (visheight * conpic->GetHeight()) / SCREENHEIGHT;
screen->DrawTexture (conpic, 0, visheight - screen->GetHeight(),
DTA_DestWidth, screen->GetWidth(),
DTA_DestHeight, screen->GetHeight(),
DTA_ColorOverlay, conshade,
DTA_Alpha, (hw2d && gamestate != GS_FULLCONSOLE) ? FLOAT2FIXED(con_alpha) : FRACUNIT,
DTA_Masked, false,
TAG_DONE);
if (conline && visheight < screen->GetHeight())
{
screen->Clear (0, visheight, screen->GetWidth(), visheight+1, 0, 0);
}
if (ConBottom >= 12)
{
screen->DrawText (ConFont, CR_ORANGE, SCREENWIDTH - 8 -
ConFont->StringWidth ("v" DOTVERSIONSTR),
ConBottom - ConFont->GetHeight() - 4,
"v" DOTVERSIONSTR, TAG_DONE);
if (TickerMax)
{
char tickstr[256];
const int tickerY = ConBottom - ConFont->GetHeight() - 4;
size_t i;
int tickend = ConCols - SCREENWIDTH / 90 - 6;
int tickbegin = 0;
if (TickerLabel)
{
tickbegin = (int)strlen (TickerLabel) + 2;
mysnprintf (tickstr, countof(tickstr), "%s: ", TickerLabel);
}
if (tickend > 256 - ConFont->GetCharWidth(0x12))
tickend = 256 - ConFont->GetCharWidth(0x12);
tickstr[tickbegin] = 0x10;
memset (tickstr + tickbegin + 1, 0x11, tickend - tickbegin);
tickstr[tickend + 1] = 0x12;
tickstr[tickend + 2] = ' ';
if (TickerPercent)
{
mysnprintf (tickstr + tickend + 3, countof(tickstr) - tickend - 3,
"%d%%", Scale (TickerAt, 100, TickerMax));
}
else
{
tickstr[tickend+3] = 0;
}
screen->DrawText (ConFont, CR_BROWN, LEFTMARGIN, tickerY, tickstr, TAG_DONE);
// Draw the marker
i = LEFTMARGIN+5+tickbegin*8 + Scale (TickerAt, (SDWORD)(tickend - tickbegin)*8, TickerMax);
screen->DrawChar (ConFont, CR_ORANGE, (int)i, tickerY, 0x13, TAG_DONE);
TickerVisible = true;
}
else
{
TickerVisible = false;
}
}
// Apply palette blend effects
if (StatusBar != NULL && !hw2d)
{
player_t *player = StatusBar->CPlayer;
if (player->camera != NULL && player->camera->player != NULL)
{
player = player->camera->player;
}
if (player->BlendA != 0 && (gamestate == GS_LEVEL || gamestate == GS_TITLELEVEL))
{
screen->Dim (PalEntry ((unsigned char)(player->BlendR*255), (unsigned char)(player->BlendG*255), (unsigned char)(player->BlendB*255)),
player->BlendA, 0, ConBottom, screen->GetWidth(), screen->GetHeight() - ConBottom);
SB_state = screen->GetPageCount ();
BorderNeedRefresh = screen->GetPageCount ();
}
}
}
if (menuactive != MENU_Off)
{
return;
}
if (lines > 0)
{
int bottomline = ConBottom - ConFont->GetHeight()*2 - 4;
int pos = (InsertLine - 1) & LINEMASK;
int i;
ConsoleDrawing = true;
for (i = RowAdjust; i; i--)
{
if (pos == TopLine)
{
RowAdjust = RowAdjust - i;
break;
}
else
{
pos = (pos - 1) & LINEMASK;
}
}
pos++;
do
{
pos = (pos - 1) & LINEMASK;
if (Lines[pos] != NULL)
{
screen->DrawText (ConFont, CR_TAN, LEFTMARGIN, offset + lines * ConFont->GetHeight(),
Lines[pos], TAG_DONE);
}
lines--;
} while (pos != TopLine && lines > 0);
ConsoleDrawing = false;
DequeueConsoleText ();
if (ConBottom >= 20)
{
if (gamestate != GS_STARTUP)
{
// Make a copy of the command line, in case an input event is handled
// while we draw the console and it changes.
CmdLine[2+CmdLine[0]] = 0;
FString command((char *)&CmdLine[2+CmdLine[259]]);
int cursorpos = CmdLine[1] - CmdLine[259];
screen->DrawChar (ConFont, CR_ORANGE, left, bottomline, '\x1c', TAG_DONE);
screen->DrawText (ConFont, CR_ORANGE, left + ConFont->GetCharWidth(0x1c), bottomline,
command, TAG_DONE);
if (cursoron)
{
screen->DrawChar (ConFont, CR_YELLOW, left + ConFont->GetCharWidth(0x1c) + cursorpos * ConFont->GetCharWidth(0xb),
bottomline, '\xb', TAG_DONE);
}
}
if (RowAdjust && ConBottom >= ConFont->GetHeight()*7/2)
{
// Indicate that the view has been scrolled up (10)
// and if we can scroll no further (12)
screen->DrawChar (ConFont, CR_GREEN, 0, bottomline, pos == TopLine ? 12 : 10, TAG_DONE);
}
}
}
}
void C_FullConsole ()
{
if (demoplayback)
G_CheckDemoStatus ();
D_QuitNetGame ();
advancedemo = false;
ConsoleState = c_down;
HistPos = NULL;
TabbedLast = false;
TabbedList = false;
if (gamestate != GS_STARTUP)
{
gamestate = GS_FULLCONSOLE;
level.Music = "";
S_Start ();
P_FreeLevelData ();
V_SetBlend (0,0,0,0);
}
else
{
C_AdjustBottom ();
}
}
void C_ToggleConsole ()
{
if (gamestate == GS_DEMOSCREEN || demoplayback)
{
gameaction = ga_fullconsole;
}
else if (!chatmodeon && (ConsoleState == c_up || ConsoleState == c_rising) && menuactive == MENU_Off)
{
ConsoleState = c_falling;
HistPos = NULL;
TabbedLast = false;
TabbedList = false;
}
else if (gamestate != GS_FULLCONSOLE && gamestate != GS_STARTUP)
{
ConsoleState = c_rising;
C_FlushDisplay ();
}
}
void C_HideConsole ()
{
if (gamestate != GS_FULLCONSOLE)
{
ConsoleState = c_up;
ConBottom = 0;
HistPos = NULL;
}
}
static void makestartposgood ()
{
int n;
int pos = CmdLine[259];
int curs = CmdLine[1];
int len = CmdLine[0];
n = pos;
if (pos >= len)
{ // Start of visible line is beyond end of line
n = curs - ConCols + 2;
}
if ((curs - pos) >= ConCols - 2)
{ // The cursor is beyond the visible part of the line
n = curs - ConCols + 2;
}
if (pos > curs)
{ // The cursor is in front of the visible part of the line
n = curs;
}
if (n < 0)
n = 0;
CmdLine[259] = n;
}
static bool C_HandleKey (event_t *ev, BYTE *buffer, int len)
{
int i;
int data1 = ev->data1;
switch (ev->subtype)
{
default:
return false;
case EV_GUI_Char:
// Add keypress to command line
if (buffer[0] < len)
{
if (buffer[1] == buffer[0])
{
buffer[buffer[0] + 2] = BYTE(ev->data1);
}
else
{
char *c, *e;
e = (char *)&buffer[buffer[0] + 1];
c = (char *)&buffer[buffer[1] + 2];
for (; e >= c; e--)
*(e + 1) = *e;
*c = char(ev->data1);
}
buffer[0]++;
buffer[1]++;
makestartposgood ();
HistPos = NULL;
}
TabbedLast = false;
TabbedList = false;
break;
case EV_GUI_WheelUp:
case EV_GUI_WheelDown:
if (!(ev->data3 & GKM_SHIFT))
{
data1 = GK_PGDN + EV_GUI_WheelDown - ev->subtype;
}
else
{
data1 = GK_DOWN + EV_GUI_WheelDown - ev->subtype;
}
// Intentional fallthrough
case EV_GUI_KeyDown:
case EV_GUI_KeyRepeat:
switch (data1)
{
case '\t':
// Try to do tab-completion
C_TabComplete ((ev->data3 & GKM_SHIFT) ? false : true);
break;
case GK_PGUP:
if (ev->data3 & (GKM_SHIFT|GKM_CTRL))
{ // Scroll console buffer up one page
RowAdjust += (SCREENHEIGHT-4) /
((gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP) ? ConFont->GetHeight() : ConFont->GetHeight()*2) - 3;
}
else if (RowAdjust < CONSOLELINES)
{ // Scroll console buffer up
if (ev->subtype == EV_GUI_WheelUp)
{
RowAdjust += 3;
}
else
{
RowAdjust++;
}
}
break;
case GK_PGDN:
if (ev->data3 & (GKM_SHIFT|GKM_CTRL))
{ // Scroll console buffer down one page
const int scrollamt = (SCREENHEIGHT-4) /
((gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP) ? ConFont->GetHeight() : ConFont->GetHeight()*2) - 3;
if (RowAdjust < scrollamt)
{
RowAdjust = 0;
}
else
{
RowAdjust -= scrollamt;
}
}
else if (RowAdjust > 0)
{ // Scroll console buffer down
if (ev->subtype == EV_GUI_WheelDown)
{
RowAdjust = MAX (0, RowAdjust - 3);
}
else
{
RowAdjust--;
}
}
break;
case GK_HOME:
if (ev->data3 & GKM_CTRL)
{ // Move to top of console buffer
RowAdjust = CONSOLELINES;
}
else
{ // Move cursor to start of line
buffer[1] = buffer[len+4] = 0;
}
break;
case GK_END:
if (ev->data3 & GKM_CTRL)
{ // Move to bottom of console buffer
RowAdjust = 0;
}
else
{ // Move cursor to end of line
buffer[1] = buffer[0];
makestartposgood ();
}
break;
case GK_LEFT:
// Move cursor left one character
if (buffer[1])
{
buffer[1]--;
makestartposgood ();
}
break;
case GK_RIGHT:
// Move cursor right one character
if (buffer[1] < buffer[0])
{
buffer[1]++;
makestartposgood ();
}
break;
case '\b':
// Erase character to left of cursor
if (buffer[0] && buffer[1])
{
char *c, *e;
e = (char *)&buffer[buffer[0] + 2];
c = (char *)&buffer[buffer[1] + 2];
for (; c < e; c++)
*(c - 1) = *c;
buffer[0]--;
buffer[1]--;
if (buffer[len+4])
buffer[len+4]--;
makestartposgood ();
}
TabbedLast = false;
TabbedList = false;
break;
case GK_DEL:
// Erase character under cursor
if (buffer[1] < buffer[0])
{
char *c, *e;
e = (char *)&buffer[buffer[0] + 2];
c = (char *)&buffer[buffer[1] + 3];
for (; c < e; c++)
*(c - 1) = *c;
buffer[0]--;
makestartposgood ();
}
TabbedLast = false;
TabbedList = false;
break;
case GK_UP:
// Move to previous entry in the command history
if (HistPos == NULL)
{
HistPos = HistHead;
}
else if (HistPos->Older)
{
HistPos = HistPos->Older;
}
if (HistPos)
{
strcpy ((char *)&buffer[2], HistPos->String);
buffer[0] = buffer[1] = (BYTE)strlen ((char *)&buffer[2]);
buffer[len+4] = 0;
makestartposgood();
}
TabbedLast = false;
TabbedList = false;
break;
case GK_DOWN:
// Move to next entry in the command history
if (HistPos && HistPos->Newer)
{
HistPos = HistPos->Newer;
strcpy ((char *)&buffer[2], HistPos->String);
buffer[0] = buffer[1] = (BYTE)strlen ((char *)&buffer[2]);
}
else
{
HistPos = NULL;
buffer[0] = buffer[1] = 0;
}
buffer[len+4] = 0;
makestartposgood();
TabbedLast = false;
TabbedList = false;
break;
case 'X':
if (ev->data3 & GKM_CTRL)
{
buffer[1] = buffer[0] = 0;
TabbedLast = TabbedList = false;
}
break;
case 'D':
if (ev->data3 & GKM_CTRL && buffer[0] == 0)
{ // Control-D pressed on an empty line
int replen = (int)strlen (con_ctrl_d);
if (replen == 0)
break; // Replacement is empty, so do nothing
if (replen > len)
replen = len;
memcpy (&buffer[2], con_ctrl_d, replen);
buffer[0] = buffer[1] = replen;
}
else
{
break;
}
// Intentional fall-through for command(s) added with Ctrl-D
case '\r':
// Execute command line (ENTER)
buffer[2 + buffer[0]] = 0;
for (i = 0; i < buffer[0] && isspace(buffer[2+i]); ++i)
{
}
if (i == buffer[0])
{
// Command line is empty, so do nothing to the history
}
else if (HistHead && stricmp (HistHead->String, (char *)&buffer[2]) == 0)
{
// Command line was the same as the previous one,
// so leave the history list alone
}
else
{
// Command line is different from last command line,
// or there is nothing in the history list,
// so add it to the history list.
History *temp = (History *)M_Malloc (sizeof(struct History) + buffer[0]);
strcpy (temp->String, (char *)&buffer[2]);
temp->Older = HistHead;
if (HistHead)
{
HistHead->Newer = temp;
}
temp->Newer = NULL;
HistHead = temp;
if (!HistTail)
{
HistTail = temp;
}
if (HistSize == MAXHISTSIZE)
{
HistTail = HistTail->Newer;
M_Free (HistTail->Older);
HistTail->Older = NULL;
}
else
{
HistSize++;
}
}
HistPos = NULL;
Printf (127, TEXTCOLOR_WHITE "]%s\n", &buffer[2]);
buffer[0] = buffer[1] = buffer[len+4] = 0;
AddCommandString ((char *)&buffer[2]);
TabbedLast = false;
TabbedList = false;
break;
case '`':
case GK_ESCAPE:
// Close console and clear command line. But if we're in the
// fullscreen console mode, there's nothing to fall back on
// if it's closed, so open the main menu instead.
if (gamestate == GS_STARTUP)
{
return false;
}
else if (gamestate == GS_FULLCONSOLE)
{
C_DoCommand ("menu_main");
}
else
{
buffer[0] = buffer[1] = buffer[len+4] = 0;
HistPos = NULL;
C_ToggleConsole ();
}
break;
case 'C':
case 'V':
TabbedLast = false;
TabbedList = false;
if (ev->data3 & GKM_CTRL)
{
if (data1 == 'C')
{ // copy to clipboard
if (buffer[0] > 0)
{
buffer[2 + buffer[0]] = 0;
I_PutInClipboard ((char *)&buffer[2]);
}
}
else
{ // paste from clipboard
C_PasteText(I_GetFromClipboard(false), buffer, len);
}
break;
}
break;
}
break;
#ifdef unix
case EV_GUI_MButtonDown:
C_PasteText(I_GetFromClipboard(true), buffer, len);
break;
#endif
}
// Ensure that the cursor is always visible while typing
CursorTicker = C_BLINKRATE;
cursoron = 1;
return true;
}
static void C_PasteText(FString clip, BYTE *buffer, int len)
{
if (clip.IsNotEmpty())
{
// Only paste the first line.
long brk = clip.IndexOfAny("\r\n\b");
int cliplen = brk >= 0 ? brk : (int)clip.Len();
// Make sure there's room for the whole thing.
if (buffer[0] + cliplen > len)
{
cliplen = len - buffer[0];
}
if (cliplen > 0)
{
if (buffer[1] < buffer[0])
{
memmove (&buffer[2 + buffer[1] + cliplen],
&buffer[2 + buffer[1]], buffer[0] - buffer[1]);
}
memcpy (&buffer[2 + buffer[1]], clip, cliplen);
buffer[0] += cliplen;
buffer[1] += cliplen;
makestartposgood ();
HistPos = NULL;
}
}
}
bool C_Responder (event_t *ev)
{
if (ev->type != EV_GUI_Event ||
ConsoleState == c_up ||
ConsoleState == c_rising ||
menuactive != MENU_Off)
{
return false;
}
return C_HandleKey (ev, CmdLine, 255);
}
CCMD (history)
{
struct History *hist = HistTail;
while (hist)
{
Printf (" %s\n", hist->String);
hist = hist->Newer;
}
}
CCMD (clear)
{
C_FlushDisplay ();
ClearConsole ();
}
CCMD (echo)
{
int last = argv.argc()-1;
for (int i = 1; i <= last; ++i)
{
FString formatted = strbin1 (argv[i]);
Printf ("%s%s", formatted.GetChars(), i!=last ? " " : "\n");
}
}
/* Printing in the middle of the screen */
CVAR (Float, con_midtime, 3.f, CVAR_ARCHIVE)
static const char bar1[] = TEXTCOLOR_RED "\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36"
"\36\36\36\36\36\36\36\36\36\36\36\36\37" TEXTCOLOR_TAN "\n";
static const char bar2[] = TEXTCOLOR_RED "\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36"
"\36\36\36\36\36\36\36\36\36\36\36\36\37" TEXTCOLOR_GREEN "\n";
static const char bar3[] = TEXTCOLOR_RED "\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36"
"\36\36\36\36\36\36\36\36\36\36\36\36\37" TEXTCOLOR_NORMAL "\n";
static const char logbar[] = "\n<------------------------------->\n";
void C_MidPrint (FFont *font, const char *msg)
{
if (StatusBar == NULL || screen == NULL)
return;
if (msg != NULL)
{
AddToConsole (-1, bar1);
AddToConsole (-1, msg);
AddToConsole (-1, bar3);
if (Logfile)
{
fputs (logbar, Logfile);
fputs (msg, Logfile);
fputs (logbar, Logfile);
fflush (Logfile);
}
StatusBar->AttachMessage (new DHUDMessage (font, msg, 1.5f, 0.375f, 0, 0,
(EColorRange)PrintColors[PRINTLEVELS], con_midtime), MAKE_ID('C','N','T','R'));
}
else
{
StatusBar->DetachMessage (MAKE_ID('C','N','T','R'));
}
}
void C_MidPrintBold (FFont *font, const char *msg)
{
if (msg)
{
AddToConsole (-1, bar2);
AddToConsole (-1, msg);
AddToConsole (-1, bar3);
if (Logfile)
{
fputs (logbar, Logfile);
fputs (msg, Logfile);
fputs (logbar, Logfile);
fflush (Logfile);
}
StatusBar->AttachMessage (new DHUDMessage (font, msg, 1.5f, 0.375f, 0, 0,
(EColorRange)PrintColors[PRINTLEVELS+1], con_midtime), MAKE_ID('C','N','T','R'));
}
else
{
StatusBar->DetachMessage (MAKE_ID('C','N','T','R'));
}
}
/****** Tab completion code ******/
struct TabData
{
int UseCount;
FName TabName;
TabData()
: UseCount(0)
{
}
TabData(const char *name)
: UseCount(1), TabName(name)
{
}
TabData(const TabData &other)
: UseCount(other.UseCount), TabName(other.TabName)
{
}
};
static TArray<TabData> TabCommands (TArray<TabData>::NoInit);
static int TabPos; // Last TabCommand tabbed to
static int TabStart; // First char in CmdLine to use for tab completion
static int TabSize; // Size of tab string
static bool FindTabCommand (const char *name, int *stoppos, int len)
{
FName aname(name);
unsigned int i;
int cval = 1;
for (i = 0; i < TabCommands.Size(); i++)
{
if (TabCommands[i].TabName == aname)
{
*stoppos = i;
return true;
}
cval = strnicmp (TabCommands[i].TabName.GetChars(), name, len);
if (cval >= 0)
break;
}
*stoppos = i;
return (cval == 0);
}
void C_AddTabCommand (const char *name)
{
int pos;
if (FindTabCommand (name, &pos, INT_MAX))
{
TabCommands[pos].UseCount++;
}
else
{
TabData tab(name);
TabCommands.Insert (pos, tab);
}
}
void C_RemoveTabCommand (const char *name)
{
FName aname(name, true);
if (aname == NAME_None)
{
return;
}
for (unsigned int i = 0; i < TabCommands.Size(); ++i)
{
if (TabCommands[i].TabName == aname)
{
if (--TabCommands[i].UseCount == 0)
{
TabCommands.Delete(i);
}
break;
}
}
}
void C_ClearTabCommands ()
{
TabCommands.Clear();
}
static int FindDiffPoint (FName name1, const char *str2)
{
const char *str1 = name1.GetChars();
int i;
for (i = 0; tolower(str1[i]) == tolower(str2[i]); i++)
if (str1[i] == 0 || str2[i] == 0)
break;
return i;
}
static void C_TabComplete (bool goForward)
{
int i;
int diffpoint;
if (!TabbedLast)
{
bool cancomplete;
// Skip any spaces at beginning of command line
if (CmdLine[2] == ' ')
{
for (i = 0; i < CmdLine[0]; i++)
if (CmdLine[2+i] != ' ')
break;
TabStart = i + 2;
}
else
{
TabStart = 2;
}
if (TabStart == CmdLine[0] + 2)
return; // Line was nothing but spaces
TabSize = CmdLine[0] - TabStart + 2;
if (!FindTabCommand ((char *)(CmdLine + TabStart), &TabPos, TabSize))
return; // No initial matches
// Show a list of possible completions, if more than one.
if (TabbedList || con_notablist)
{
cancomplete = true;
}
else
{
cancomplete = C_TabCompleteList ();
TabbedList = true;
}
if (goForward)
{ // Position just before the list of completions so that when TabPos
// gets advanced below, it will be at the first one.
--TabPos;
}
else
{ // Find the last matching tab, then go one past it.
while (++TabPos < (int)TabCommands.Size())
{
if (FindDiffPoint (TabCommands[TabPos].TabName, (char *)(CmdLine + TabStart)) < TabSize)
{
break;
}
}
}
TabbedLast = true;
if (!cancomplete)
{
return;
}
}
if ((goForward && ++TabPos == (int)TabCommands.Size()) ||
(!goForward && --TabPos < 0))
{
TabbedLast = false;
CmdLine[0] = CmdLine[1] = TabSize;
}
else
{
diffpoint = FindDiffPoint (TabCommands[TabPos].TabName, (char *)(CmdLine + TabStart));
if (diffpoint < TabSize)
{
// No more matches
TabbedLast = false;
CmdLine[0] = CmdLine[1] = TabSize + TabStart - 2;
}
else
{
strcpy ((char *)(CmdLine + TabStart), TabCommands[TabPos].TabName.GetChars());
CmdLine[0] = CmdLine[1] = (BYTE)strlen ((char *)(CmdLine + 2)) + 1;
CmdLine[CmdLine[0] + 1] = ' ';
}
}
makestartposgood ();
}
static bool C_TabCompleteList ()
{
int nummatches, i;
size_t maxwidth;
int commonsize = INT_MAX;
nummatches = 0;
maxwidth = 0;
for (i = TabPos; i < (int)TabCommands.Size(); ++i)
{
if (FindDiffPoint (TabCommands[i].TabName, (char *)(CmdLine + TabStart)) < TabSize)
{
break;
}
else
{
if (i > TabPos)
{
// This keeps track of the longest common prefix for all the possible
// completions, so we can fill in part of the command for the user if
// the longest common prefix is longer than what the user already typed.
int diffpt = FindDiffPoint (TabCommands[i-1].TabName, TabCommands[i].TabName.GetChars());
if (diffpt < commonsize)
{
commonsize = diffpt;
}
}
nummatches++;
maxwidth = MAX (maxwidth, strlen (TabCommands[i].TabName.GetChars()));
}
}
if (nummatches > 1)
{
size_t x = 0;
maxwidth += 3;
Printf (TEXTCOLOR_BLUE "Completions for %s:\n", CmdLine+2);
for (i = TabPos; nummatches > 0; ++i, --nummatches)
{
Printf ("%-*s", int(maxwidth), TabCommands[i].TabName.GetChars());
x += maxwidth;
if (x > ConCols - maxwidth)
{
x = 0;
Printf ("\n");
}
}
if (x != 0)
{
Printf ("\n");
}
// Fill in the longest common prefix, if it's longer than what was typed.
if (TabSize != commonsize)
{
TabSize = commonsize;
strncpy ((char *)CmdLine + TabStart, TabCommands[TabPos].TabName.GetChars(), commonsize);
CmdLine[0] = TabStart + commonsize - 2;
CmdLine[1] = CmdLine[0];
}
return false;
}
return true;
}
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