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putty
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putty/window.c

1963 строки
54 KiB
C
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#include <windows.h>
#include <commctrl.h>
#include <winsock.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
#include "win_res.h"
#define IDM_SHOWLOG 0x0010
#define IDM_NEWSESS 0x0020
#define IDM_DUPSESS 0x0030
#define IDM_RECONF 0x0040
#define IDM_CLRSB 0x0050
#define IDM_RESET 0x0060
#define IDM_TEL_AYT 0x0070
#define IDM_TEL_BRK 0x0080
#define IDM_TEL_SYNCH 0x0090
#define IDM_TEL_EC 0x00a0
#define IDM_TEL_EL 0x00b0
#define IDM_TEL_GA 0x00c0
#define IDM_TEL_NOP 0x00d0
#define IDM_TEL_ABORT 0x00e0
#define IDM_TEL_AO 0x00f0
#define IDM_TEL_IP 0x0100
#define IDM_TEL_SUSP 0x0110
#define IDM_TEL_EOR 0x0120
#define IDM_TEL_EOF 0x0130
#define IDM_ABOUT 0x0140
#define IDM_SAVEDSESS 0x0150
#define IDM_SAVED_MIN 0x1000
#define IDM_SAVED_MAX 0x2000
#define WM_IGNORE_SIZE (WM_XUSER + 1)
#define WM_IGNORE_CLIP (WM_XUSER + 2)
static LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output);
static void cfgtopalette(void);
static void init_palette(void);
static void init_fonts(int);
static int extra_width, extra_height;
static int pending_netevent = 0;
static WPARAM pend_netevent_wParam = 0;
static LPARAM pend_netevent_lParam = 0;
static void enact_pending_netevent(void);
#define FONT_NORMAL 0
#define FONT_BOLD 1
#define FONT_UNDERLINE 2
#define FONT_BOLDUND 3
#define FONT_OEM 4
#define FONT_OEMBOLD 5
#define FONT_OEMBOLDUND 6
#define FONT_OEMUND 7
static HFONT fonts[8];
static enum {
BOLD_COLOURS, BOLD_SHADOW, BOLD_FONT
} bold_mode;
static enum {
UND_LINE, UND_FONT
} und_mode;
static int descent;
#define NCOLOURS 24
static COLORREF colours[NCOLOURS];
static HPALETTE pal;
static LPLOGPALETTE logpal;
static RGBTRIPLE defpal[NCOLOURS];
static HWND hwnd;
static int dbltime, lasttime, lastact;
static Mouse_Button lastbtn;
static char *window_name, *icon_name;
int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
static char appname[] = "PuTTY";
WORD winsock_ver;
WSADATA wsadata;
WNDCLASS wndclass;
MSG msg;
int guess_width, guess_height;
putty_inst = inst;
winsock_ver = MAKEWORD(1, 1);
if (WSAStartup(winsock_ver, &wsadata)) {
MessageBox(NULL, "Unable to initialise WinSock", "WinSock Error",
MB_OK | MB_ICONEXCLAMATION);
return 1;
}
if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
MessageBox(NULL, "WinSock version is incompatible with 1.1",
"WinSock Error", MB_OK | MB_ICONEXCLAMATION);
WSACleanup();
return 1;
}
/* WISHLIST: maybe allow config tweaking even if winsock not present? */
InitCommonControls();
/*
* Process the command line.
*/
{
char *p;
default_protocol = DEFAULT_PROTOCOL;
default_port = DEFAULT_PORT;
do_defaults(NULL);
p = cmdline;
while (*p && isspace(*p)) p++;
/*
* Process command line options first. Yes, this can be
* done better, and it will be as soon as I have the
* energy...
*/
while (*p == '-') {
char *q = p + strcspn(p, " \t");
p++;
if (q == p + 3 &&
tolower(p[0]) == 's' &&
tolower(p[1]) == 's' &&
tolower(p[2]) == 'h') {
default_protocol = cfg.protocol = PROT_SSH;
default_port = cfg.port = 22;
} else if (q == p + 3 &&
tolower(p[0]) == 'l' &&
tolower(p[1]) == 'o' &&
tolower(p[2]) == 'g') {
logfile = "putty.log";
}
p = q + strspn(q, " \t");
}
/*
* An initial @ means to activate a saved session.
*/
if (*p == '@') {
do_defaults (p+1);
if (!*cfg.host && !do_config()) {
WSACleanup();
return 0;
}
} else if (*p == '&') {
/*
* An initial & means we've been given a command line
* containing the hex value of a HANDLE for a file
* mapping object, which we must then extract as a
* config.
*/
HANDLE filemap;
Config *cp;
if (sscanf(p+1, "%p", &filemap) == 1 &&
(cp = MapViewOfFile(filemap, FILE_MAP_READ,
0, 0, sizeof(Config))) != NULL) {
cfg = *cp;
UnmapViewOfFile(cp);
CloseHandle(filemap);
} else if (!do_config()) {
WSACleanup();
return 0;
}
} else if (*p) {
char *q = p;
while (*p && !isspace(*p)) p++;
if (*p)
*p++ = '\0';
strncpy (cfg.host, q, sizeof(cfg.host)-1);
cfg.host[sizeof(cfg.host)-1] = '\0';
while (*p && isspace(*p)) p++;
if (*p)
cfg.port = atoi(p);
else
cfg.port = -1;
} else {
if (!do_config()) {
WSACleanup();
return 0;
}
}
}
/*
* Select protocol. This is farmed out into a table in a
* separate file to enable an ssh-free variant.
*/
{
int i;
back = NULL;
for (i = 0; backends[i].backend != NULL; i++)
if (backends[i].protocol == cfg.protocol) {
back = backends[i].backend;
break;
}
if (back == NULL) {
MessageBox(NULL, "Unsupported protocol number found",
"PuTTY Internal Error", MB_OK | MB_ICONEXCLAMATION);
WSACleanup();
return 1;
}
}
ldisc = (cfg.ldisc_term ? &ldisc_term : &ldisc_simple);
if (!prev) {
wndclass.style = 0;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = inst;
wndclass.hIcon = LoadIcon (inst,
MAKEINTRESOURCE(IDI_MAINICON));
wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = appname;
RegisterClass (&wndclass);
}
hwnd = NULL;
savelines = cfg.savelines;
term_init();
cfgtopalette();
/*
* Guess some defaults for the window size. This all gets
* updated later, so we don't really care too much. However, we
* do want the font width/height guesses to correspond to a
* large font rather than a small one...
*/
font_width = 10;
font_height = 20;
extra_width = 25;
extra_height = 28;
term_size (cfg.height, cfg.width, cfg.savelines);
guess_width = extra_width + font_width * cols;
guess_height = extra_height + font_height * rows;
{
RECT r;
HWND w = GetDesktopWindow();
GetWindowRect (w, &r);
if (guess_width > r.right - r.left)
guess_width = r.right - r.left;
if (guess_height > r.bottom - r.top)
guess_height = r.bottom - r.top;
}
hwnd = CreateWindow (appname, appname,
WS_OVERLAPPEDWINDOW | WS_VSCROLL,
CW_USEDEFAULT, CW_USEDEFAULT,
guess_width, guess_height,
NULL, NULL, inst, NULL);
/*
* Initialise the fonts, simultaneously correcting the guesses
* for font_{width,height}.
*/
bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
und_mode = UND_FONT;
init_fonts(0);
/*
* Correct the guesses for extra_{width,height}.
*/
{
RECT cr, wr;
GetWindowRect (hwnd, &wr);
GetClientRect (hwnd, &cr);
extra_width = wr.right - wr.left - cr.right + cr.left;
extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
}
/*
* Resize the window, now we know what size we _really_ want it
* to be.
*/
guess_width = extra_width + font_width * cols;
guess_height = extra_height + font_height * rows;
SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
SetWindowPos (hwnd, NULL, 0, 0, guess_width, guess_height,
SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
/*
* Initialise the scroll bar.
*/
{
SCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
si.nMin = 0;
si.nMax = rows-1;
si.nPage = rows;
si.nPos = 0;
SetScrollInfo (hwnd, SB_VERT, &si, FALSE);
}
/*
* Start up the telnet connection.
*/
{
char *error;
char msg[1024];
char *realhost;
error = back->init (hwnd, cfg.host, cfg.port, &realhost);
if (error) {
sprintf(msg, "Unable to open connection:\n%s", error);
MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
return 0;
}
window_name = icon_name = NULL;
sprintf(msg, "%s - PuTTY", realhost);
set_title (msg);
set_icon (msg);
}
session_closed = FALSE;
/*
* Set up the input and output buffers.
*/
inbuf_reap = inbuf_head = 0;
outbuf_reap = outbuf_head = 0;
/*
* Choose unscroll method
*/
unscroll_event = US_DISP;
/*
* Prepare the mouse handler.
*/
lastact = MA_NOTHING;
lastbtn = MB_NOTHING;
dbltime = GetDoubleClickTime();
/*
* Set up the session-control options on the system menu.
*/
{
HMENU m = GetSystemMenu (hwnd, FALSE);
HMENU p,s;
int i;
AppendMenu (m, MF_SEPARATOR, 0, 0);
if (cfg.protocol == PROT_TELNET) {
p = CreateMenu();
AppendMenu (p, MF_ENABLED, IDM_TEL_AYT, "Are You There");
AppendMenu (p, MF_ENABLED, IDM_TEL_BRK, "Break");
AppendMenu (p, MF_ENABLED, IDM_TEL_SYNCH, "Synch");
AppendMenu (p, MF_SEPARATOR, 0, 0);
AppendMenu (p, MF_ENABLED, IDM_TEL_EC, "Erase Character");
AppendMenu (p, MF_ENABLED, IDM_TEL_EL, "Erase Line");
AppendMenu (p, MF_ENABLED, IDM_TEL_GA, "Go Ahead");
AppendMenu (p, MF_ENABLED, IDM_TEL_NOP, "No Operation");
AppendMenu (p, MF_SEPARATOR, 0, 0);
AppendMenu (p, MF_ENABLED, IDM_TEL_ABORT, "Abort Process");
AppendMenu (p, MF_ENABLED, IDM_TEL_AO, "Abort Output");
AppendMenu (p, MF_ENABLED, IDM_TEL_IP, "Interrupt Process");
AppendMenu (p, MF_ENABLED, IDM_TEL_SUSP, "Suspend Process");
AppendMenu (p, MF_SEPARATOR, 0, 0);
AppendMenu (p, MF_ENABLED, IDM_TEL_EOR, "End Of Record");
AppendMenu (p, MF_ENABLED, IDM_TEL_EOF, "End Of File");
AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) p, "Telnet Command");
AppendMenu (m, MF_SEPARATOR, 0, 0);
}
AppendMenu (m, MF_ENABLED, IDM_SHOWLOG, "&Event Log");
AppendMenu (m, MF_SEPARATOR, 0, 0);
AppendMenu (m, MF_ENABLED, IDM_NEWSESS, "Ne&w Session");
AppendMenu (m, MF_ENABLED, IDM_DUPSESS, "&Duplicate Session");
s = CreateMenu();
get_sesslist(TRUE);
for (i = 1 ; i < ((nsessions < 256) ? nsessions : 256) ; i++)
AppendMenu (s, MF_ENABLED, IDM_SAVED_MIN + (16 * i) , sessions[i]);
AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) s, "Sa&ved Sessions");
AppendMenu (m, MF_ENABLED, IDM_RECONF, "Chan&ge Settings");
AppendMenu (m, MF_SEPARATOR, 0, 0);
AppendMenu (m, MF_ENABLED, IDM_CLRSB, "C&lear Scrollback");
AppendMenu (m, MF_ENABLED, IDM_RESET, "Rese&t Terminal");
AppendMenu (m, MF_SEPARATOR, 0, 0);
AppendMenu (m, MF_ENABLED, IDM_ABOUT, "&About PuTTY");
}
/*
* Finally show the window!
*/
ShowWindow (hwnd, show);
/*
* Set the palette up.
*/
pal = NULL;
logpal = NULL;
init_palette();
has_focus = (GetForegroundWindow() == hwnd);
UpdateWindow (hwnd);
{
int timer_id = 0, long_timer = 0;
while (GetMessage (&msg, NULL, 0, 0) == 1) {
/* Sometimes DispatchMessage calls routines that use their own
* GetMessage loop, setup this timer so we get some control back.
*
* Also call term_update() from the timer so that if the host
* is sending data flat out we still do redraws.
*/
if(timer_id && long_timer) {
KillTimer(hwnd, timer_id);
long_timer = timer_id = 0;
}
if(!timer_id)
timer_id = SetTimer(hwnd, 1, 20, NULL);
DispatchMessage (&msg);
/* This is too fast, but I'll leave it for now 'cause it shows
* how often term_update is called (far too often at times!)
*/
term_blink(0);
/* If there's nothing new in the queue then we can do everything
* we've delayed, reading the socket, writing, and repainting
* the window.
*/
if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)) {
if (pending_netevent) {
enact_pending_netevent();
term_blink(1);
}
} else continue;
if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)) {
if (timer_id) {
KillTimer(hwnd, timer_id);
timer_id = 0;
}
if (inbuf_reap != inbuf_head)
term_out();
term_update();
timer_id = SetTimer(hwnd, 1, 500, NULL);
long_timer = 1;
}
}
}
/*
* Clean up.
*/
{
int i;
for (i=0; i<8; i++)
if (fonts[i])
DeleteObject(fonts[i]);
}
sfree(logpal);
if (pal)
DeleteObject(pal);
WSACleanup();
if (cfg.protocol == PROT_SSH)
random_save_seed();
return msg.wParam;
}
/*
* Actually do the job requested by a WM_NETEVENT
*/
static void enact_pending_netevent(void) {
int i;
pending_netevent = FALSE;
i = back->msg (pend_netevent_wParam, pend_netevent_lParam);
if (i < 0) {
char buf[1024];
switch (WSABASEERR + (-i) % 10000) {
case WSAECONNRESET:
sprintf(buf, "Connection reset by peer");
break;
default:
sprintf(buf, "Unexpected network error %d", -i);
break;
}
MessageBox(hwnd, buf, "PuTTY Fatal Error",
MB_ICONERROR | MB_OK);
PostQuitMessage(1);
} else if (i == 0) {
if (cfg.close_on_exit)
PostQuitMessage(0);
else {
session_closed = TRUE;
MessageBox(hwnd, "Connection closed by remote host",
"PuTTY", MB_OK | MB_ICONINFORMATION);
SetWindowText (hwnd, "PuTTY (inactive)");
}
}
}
/*
* Copy the colour palette from the configuration data into defpal.
* This is non-trivial because the colour indices are different.
*/
static void cfgtopalette(void) {
int i;
static const int ww[] = {
6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21,
0, 1, 2, 3, 4, 4, 5, 5
};
for (i=0; i<24; i++) {
int w = ww[i];
defpal[i].rgbtRed = cfg.colours[w][0];
defpal[i].rgbtGreen = cfg.colours[w][1];
defpal[i].rgbtBlue = cfg.colours[w][2];
}
}
/*
* Set up the colour palette.
*/
static void init_palette(void) {
int i;
HDC hdc = GetDC (hwnd);
if (hdc) {
if (cfg.try_palette &&
GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE) {
logpal = smalloc(sizeof(*logpal)
- sizeof(logpal->palPalEntry)
+ NCOLOURS * sizeof(PALETTEENTRY));
logpal->palVersion = 0x300;
logpal->palNumEntries = NCOLOURS;
for (i = 0; i < NCOLOURS; i++) {
logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
}
pal = CreatePalette (logpal);
if (pal) {
SelectPalette (hdc, pal, FALSE);
RealizePalette (hdc);
SelectPalette (hdc, GetStockObject (DEFAULT_PALETTE),
FALSE);
}
}
ReleaseDC (hwnd, hdc);
}
if (pal)
for (i=0; i<NCOLOURS; i++)
colours[i] = PALETTERGB(defpal[i].rgbtRed,
defpal[i].rgbtGreen,
defpal[i].rgbtBlue);
else
for(i=0; i<NCOLOURS; i++)
colours[i] = RGB(defpal[i].rgbtRed,
defpal[i].rgbtGreen,
defpal[i].rgbtBlue);
}
/*
* Initialise all the fonts we will need. There may be as many as
* eight or as few as one. We also:
*
* - check the font width and height, correcting our guesses if
* necessary.
*
* - verify that the bold font is the same width as the ordinary
* one, and engage shadow bolding if not.
*
* - verify that the underlined font is the same width as the
* ordinary one (manual underlining by means of line drawing can
* be done in a pinch).
*/
static void init_fonts(int pick_width) {
TEXTMETRIC tm;
int i;
int fsize[8];
HDC hdc;
int fw_dontcare, fw_bold;
int firstchar = ' ';
#ifdef CHECKOEMFONT
font_messup:
#endif
for (i=0; i<8; i++)
fonts[i] = NULL;
if (cfg.fontisbold) {
fw_dontcare = FW_BOLD;
fw_bold = FW_BLACK;
} else {
fw_dontcare = FW_DONTCARE;
fw_bold = FW_BOLD;
}
hdc = GetDC(hwnd);
font_height = cfg.fontheight;
font_width = pick_width;
#define f(i,c,w,u) \
fonts[i] = CreateFont (font_height, font_width, 0, 0, w, FALSE, u, FALSE, \
c, OUT_DEFAULT_PRECIS, \
CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, \
FIXED_PITCH | FF_DONTCARE, cfg.font)
if (cfg.vtmode != VT_OEMONLY) {
f(FONT_NORMAL, cfg.fontcharset, fw_dontcare, FALSE);
SelectObject (hdc, fonts[FONT_NORMAL]);
GetTextMetrics(hdc, &tm);
font_height = tm.tmHeight;
font_width = tm.tmAveCharWidth;
f(FONT_UNDERLINE, cfg.fontcharset, fw_dontcare, TRUE);
if (bold_mode == BOLD_FONT) {
f(FONT_BOLD, cfg.fontcharset, fw_bold, FALSE);
f(FONT_BOLDUND, cfg.fontcharset, fw_bold, TRUE);
}
if (cfg.vtmode == VT_OEMANSI) {
f(FONT_OEM, OEM_CHARSET, fw_dontcare, FALSE);
f(FONT_OEMUND, OEM_CHARSET, fw_dontcare, TRUE);
if (bold_mode == BOLD_FONT) {
f(FONT_OEMBOLD, OEM_CHARSET, fw_bold, FALSE);
f(FONT_OEMBOLDUND, OEM_CHARSET, fw_bold, TRUE);
}
}
}
else
{
f(FONT_OEM, cfg.fontcharset, fw_dontcare, FALSE);
SelectObject (hdc, fonts[FONT_OEM]);
GetTextMetrics(hdc, &tm);
font_height = tm.tmHeight;
font_width = tm.tmAveCharWidth;
f(FONT_OEMUND, cfg.fontcharset, fw_dontcare, TRUE);
if (bold_mode == BOLD_FONT) {
f(FONT_BOLD, cfg.fontcharset, fw_bold, FALSE);
f(FONT_BOLDUND, cfg.fontcharset, fw_bold, TRUE);
}
}
#undef f
descent = tm.tmAscent + 1;
if (descent >= font_height)
descent = font_height - 1;
firstchar = tm.tmFirstChar;
for (i=0; i<8; i++) {
if (fonts[i]) {
if (SelectObject (hdc, fonts[i]) &&
GetTextMetrics(hdc, &tm) )
fsize[i] = tm.tmAveCharWidth + 256 * tm.tmHeight;
else fsize[i] = -i;
}
else fsize[i] = -i;
}
ReleaseDC (hwnd, hdc);
/* ... This is wrong in OEM only mode */
if (fsize[FONT_UNDERLINE] != fsize[FONT_NORMAL] ||
(bold_mode == BOLD_FONT &&
fsize[FONT_BOLDUND] != fsize[FONT_BOLD])) {
und_mode = UND_LINE;
DeleteObject (fonts[FONT_UNDERLINE]);
if (bold_mode == BOLD_FONT)
DeleteObject (fonts[FONT_BOLDUND]);
}
if (bold_mode == BOLD_FONT &&
fsize[FONT_BOLD] != fsize[FONT_NORMAL]) {
bold_mode = BOLD_SHADOW;
DeleteObject (fonts[FONT_BOLD]);
if (und_mode == UND_FONT)
DeleteObject (fonts[FONT_BOLDUND]);
}
#ifdef CHECKOEMFONT
/* With the facist font painting it doesn't matter if the linedraw font
* isn't exactly the right size anymore so we don't have to check this.
*/
if (cfg.vtmode == VT_OEMANSI && fsize[FONT_OEM] != fsize[FONT_NORMAL] ) {
if( cfg.fontcharset == OEM_CHARSET )
{
MessageBox(NULL, "The OEM and ANSI versions of this font are\n"
"different sizes. Using OEM-only mode instead",
"Font Size Mismatch", MB_ICONINFORMATION | MB_OK);
cfg.vtmode = VT_OEMONLY;
}
else if( firstchar < ' ' )
{
MessageBox(NULL, "The OEM and ANSI versions of this font are\n"
"different sizes. Using XTerm mode instead",
"Font Size Mismatch", MB_ICONINFORMATION | MB_OK);
cfg.vtmode = VT_XWINDOWS;
}
else
{
MessageBox(NULL, "The OEM and ANSI versions of this font are\n"
"different sizes. Using ISO8859-1 mode instead",
"Font Size Mismatch", MB_ICONINFORMATION | MB_OK);
cfg.vtmode = VT_POORMAN;
}
for (i=0; i<8; i++)
if (fonts[i])
DeleteObject (fonts[i]);
goto font_messup;
}
#endif
}
void request_resize (int w, int h, int refont) {
int width, height;
#ifdef CHECKOEMFONT
/* Don't do this in OEMANSI, you may get disable messages */
if (refont && w != cols && (cols==80 || cols==132)
&& cfg.vtmode != VT_OEMANSI)
#else
if (refont && w != cols && (cols==80 || cols==132))
#endif
{
/* If font width too big for screen should we shrink the font more ? */
if (w==132)
font_width = ((font_width*cols+w/2)/w);
else
font_width = 0;
{
int i;
for (i=0; i<8; i++)
if (fonts[i])
DeleteObject(fonts[i]);
}
bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
und_mode = UND_FONT;
init_fonts(font_width);
}
width = extra_width + font_width * w;
height = extra_height + font_height * h;
SetWindowPos (hwnd, NULL, 0, 0, width, height,
SWP_NOACTIVATE | SWP_NOCOPYBITS |
SWP_NOMOVE | SWP_NOZORDER);
}
static void click (Mouse_Button b, int x, int y) {
int thistime = GetMessageTime();
if (lastbtn == b && thistime - lasttime < dbltime) {
lastact = (lastact == MA_CLICK ? MA_2CLK :
lastact == MA_2CLK ? MA_3CLK :
lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
} else {
lastbtn = b;
lastact = MA_CLICK;
}
if (lastact != MA_NOTHING)
term_mouse (b, lastact, x, y);
lasttime = thistime;
}
static LRESULT CALLBACK WndProc (HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam) {
HDC hdc;
static int ignore_size = FALSE;
static int ignore_clip = FALSE;
static int just_reconfigged = FALSE;
switch (message) {
case WM_TIMER:
if (pending_netevent)
enact_pending_netevent();
if (inbuf_reap != inbuf_head)
term_out();
term_update();
return 0;
case WM_CREATE:
break;
case WM_CLOSE:
if (!cfg.warn_on_close || session_closed ||
MessageBox(hwnd, "Are you sure you want to close this session?",
"PuTTY Exit Confirmation",
MB_ICONWARNING | MB_OKCANCEL) == IDOK)
DestroyWindow(hwnd);
return 0;
case WM_DESTROY:
PostQuitMessage (0);
return 0;
case WM_SYSCOMMAND:
switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
case IDM_SHOWLOG:
showeventlog(hwnd);
break;
case IDM_NEWSESS:
case IDM_DUPSESS:
case IDM_SAVEDSESS:
{
char b[2048];
char c[30], *cl;
int freecl = FALSE;
STARTUPINFO si;
PROCESS_INFORMATION pi;
HANDLE filemap = NULL;
if (wParam == IDM_DUPSESS) {
/*
* Allocate a file-mapping memory chunk for the
* config structure.
*/
SECURITY_ATTRIBUTES sa;
Config *p;
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
&sa,
PAGE_READWRITE,
0,
sizeof(Config),
NULL);
if (filemap) {
p = (Config *)MapViewOfFile(filemap,
FILE_MAP_WRITE,
0, 0, sizeof(Config));
if (p) {
*p = cfg; /* structure copy */
UnmapViewOfFile(p);
}
}
sprintf(c, "putty &%p", filemap);
cl = c;
} else if (wParam == IDM_SAVEDSESS) {
char *session = sessions[(lParam - IDM_SAVED_MIN) / 16];
cl = malloc(16 + strlen(session)); /* 8, but play safe */
if (!cl)
cl = NULL; /* not a very important failure mode */
else {
sprintf(cl, "putty @%s", session);
freecl = TRUE;
}
} else
cl = NULL;
GetModuleFileName (NULL, b, sizeof(b)-1);
si.cb = sizeof(si);
si.lpReserved = NULL;
si.lpDesktop = NULL;
si.lpTitle = NULL;
si.dwFlags = 0;
si.cbReserved2 = 0;
si.lpReserved2 = NULL;
CreateProcess (b, cl, NULL, NULL, TRUE,
NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
if (filemap)
CloseHandle(filemap);
if (freecl)
free(cl);
}
break;
case IDM_RECONF:
if (!do_reconfig(hwnd))
break;
just_reconfigged = TRUE;
{
int i;
for (i=0; i<8; i++)
if (fonts[i])
DeleteObject(fonts[i]);
}
bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
und_mode = UND_FONT;
init_fonts(0);
sfree(logpal);
/* Telnet will change local echo -> remote if the remote asks */
if (cfg.protocol != PROT_TELNET)
ldisc = (cfg.ldisc_term ? &ldisc_term : &ldisc_simple);
if (pal)
DeleteObject(pal);
logpal = NULL;
pal = NULL;
cfgtopalette();
init_palette();
term_size(cfg.height, cfg.width, cfg.savelines);
InvalidateRect(hwnd, NULL, TRUE);
SetWindowPos (hwnd, NULL, 0, 0,
extra_width + font_width * cfg.width,
extra_height + font_height * cfg.height,
SWP_NOACTIVATE | SWP_NOCOPYBITS |
SWP_NOMOVE | SWP_NOZORDER);
if (IsIconic(hwnd)) {
SetWindowText (hwnd,
cfg.win_name_always ? window_name : icon_name);
}
break;
case IDM_CLRSB:
term_clrsb();
break;
case IDM_RESET:
term_pwron();
break;
case IDM_TEL_AYT: back->special (TS_AYT); break;
case IDM_TEL_BRK: back->special (TS_BRK); break;
case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
case IDM_TEL_EC: back->special (TS_EC); break;
case IDM_TEL_EL: back->special (TS_EL); break;
case IDM_TEL_GA: back->special (TS_GA); break;
case IDM_TEL_NOP: back->special (TS_NOP); break;
case IDM_TEL_ABORT: back->special (TS_ABORT); break;
case IDM_TEL_AO: back->special (TS_AO); break;
case IDM_TEL_IP: back->special (TS_IP); break;
case IDM_TEL_SUSP: back->special (TS_SUSP); break;
case IDM_TEL_EOR: back->special (TS_EOR); break;
case IDM_TEL_EOF: back->special (TS_EOF); break;
case IDM_ABOUT:
showabout (hwnd);
break;
default:
if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
}
}
break;
#define X_POS(l) ((int)(short)LOWORD(l))
#define Y_POS(l) ((int)(short)HIWORD(l))
#define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
#define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
case WM_LBUTTONDOWN:
click (MB_SELECT, TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)));
SetCapture(hwnd);
return 0;
case WM_LBUTTONUP:
term_mouse (MB_SELECT, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)));
ReleaseCapture();
return 0;
case WM_MBUTTONDOWN:
SetCapture(hwnd);
click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)));
return 0;
case WM_MBUTTONUP:
term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
MA_RELEASE, TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)));
ReleaseCapture();
return 0;
case WM_RBUTTONDOWN:
SetCapture(hwnd);
click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)));
return 0;
case WM_RBUTTONUP:
term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
MA_RELEASE, TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)));
ReleaseCapture();
return 0;
case WM_MOUSEMOVE:
/*
* Add the mouse position and message time to the random
* number noise, if we're using ssh.
*/
if (cfg.protocol == PROT_SSH)
noise_ultralight(lParam);
if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
Mouse_Button b;
if (wParam & MK_LBUTTON)
b = MB_SELECT;
else if (wParam & MK_MBUTTON)
b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
else
b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
term_mouse (b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)));
}
return 0;
case WM_IGNORE_CLIP:
ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
break;
case WM_DESTROYCLIPBOARD:
if (!ignore_clip)
term_deselect();
ignore_clip = FALSE;
return 0;
case WM_PAINT:
{
PAINTSTRUCT p;
hdc = BeginPaint (hwnd, &p);
if (pal) {
SelectPalette (hdc, pal, TRUE);
RealizePalette (hdc);
}
term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
p.rcPaint.right, p.rcPaint.bottom);
SelectObject (hdc, GetStockObject(SYSTEM_FONT));
SelectObject (hdc, GetStockObject(WHITE_PEN));
EndPaint (hwnd, &p);
}
return 0;
case WM_NETEVENT:
/* Notice we can get multiple netevents, FD_READ, FD_WRITE etc
* but the only one that's likely to try to overload us is FD_READ.
* This means buffering just one is fine.
*/
if (pending_netevent)
enact_pending_netevent();
pending_netevent = TRUE;
pend_netevent_wParam=wParam;
pend_netevent_lParam=lParam;
return 0;
case WM_SETFOCUS:
has_focus = TRUE;
term_out();
term_update();
break;
case WM_KILLFOCUS:
has_focus = FALSE;
term_out();
term_update();
break;
case WM_IGNORE_SIZE:
ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
break;
case WM_ENTERSIZEMOVE:
EnableSizeTip(1);
break;
case WM_EXITSIZEMOVE:
EnableSizeTip(0);
break;
case WM_SIZING:
{
int width, height, w, h, ew, eh;
LPRECT r = (LPRECT)lParam;
width = r->right - r->left - extra_width;
height = r->bottom - r->top - extra_height;
w = (width + font_width/2) / font_width; if (w < 1) w = 1;
h = (height + font_height/2) / font_height; if (h < 1) h = 1;
UpdateSizeTip(hwnd, w, h);
ew = width - w * font_width;
eh = height - h * font_height;
if (ew != 0) {
if (wParam == WMSZ_LEFT ||
wParam == WMSZ_BOTTOMLEFT ||
wParam == WMSZ_TOPLEFT)
r->left += ew;
else
r->right -= ew;
}
if (eh != 0) {
if (wParam == WMSZ_TOP ||
wParam == WMSZ_TOPRIGHT ||
wParam == WMSZ_TOPLEFT)
r->top += eh;
else
r->bottom -= eh;
}
if (ew || eh)
return 1;
else
return 0;
}
/* break; (never reached) */
case WM_SIZE:
if (wParam == SIZE_MINIMIZED) {
SetWindowText (hwnd,
cfg.win_name_always ? window_name : icon_name);
break;
}
if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
SetWindowText (hwnd, window_name);
if (!ignore_size) {
int width, height, w, h;
#if 0 /* we have fixed this using WM_SIZING now */
int ew, eh;
#endif
width = LOWORD(lParam);
height = HIWORD(lParam);
w = width / font_width; if (w < 1) w = 1;
h = height / font_height; if (h < 1) h = 1;
#if 0 /* we have fixed this using WM_SIZING now */
ew = width - w * font_width;
eh = height - h * font_height;
if (ew != 0 || eh != 0) {
RECT r;
GetWindowRect (hwnd, &r);
SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
SetWindowPos (hwnd, NULL, 0, 0,
r.right - r.left - ew, r.bottom - r.top - eh,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
}
#endif
if (w != cols || h != rows || just_reconfigged) {
term_invalidate();
term_size (h, w, cfg.savelines);
back->size();
just_reconfigged = FALSE;
}
}
ignore_size = FALSE;
return 0;
case WM_VSCROLL:
switch (LOWORD(wParam)) {
case SB_BOTTOM: term_scroll(-1, 0); break;
case SB_TOP: term_scroll(+1, 0); break;
case SB_LINEDOWN: term_scroll (0, +1); break;
case SB_LINEUP: term_scroll (0, -1); break;
case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
case SB_PAGEUP: term_scroll (0, -rows/2); break;
case SB_THUMBPOSITION: case SB_THUMBTRACK:
term_scroll (1, HIWORD(wParam)); break;
}
break;
case WM_PALETTECHANGED:
if ((HWND) wParam != hwnd && pal != NULL) {
HDC hdc = get_ctx();
if (hdc) {
if (RealizePalette (hdc) > 0)
UpdateColors (hdc);
free_ctx (hdc);
}
}
break;
case WM_QUERYNEWPALETTE:
if (pal != NULL) {
HDC hdc = get_ctx();
if (hdc) {
if (RealizePalette (hdc) > 0)
UpdateColors (hdc);
free_ctx (hdc);
return TRUE;
}
}
return FALSE;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
/*
* Add the scan code and keypress timing to the random
* number noise, if we're using ssh.
*/
if (cfg.protocol == PROT_SSH)
noise_ultralight(lParam);
/*
* We don't do TranslateMessage since it disassociates the
* resulting CHAR message from the KEYDOWN that sparked it,
* which we occasionally don't want. Instead, we process
* KEYDOWN, and call the Win32 translator functions so that
* we get the translations under _our_ control.
*/
{
unsigned char buf[20];
int len;
len = TranslateKey (wParam, lParam, buf);
if (len == -1)
return DefWindowProc (hwnd, message, wParam, lParam);
ldisc->send (buf, len);
}
return 0;
case WM_KEYUP:
case WM_SYSKEYUP:
/*
* We handle KEYUP ourselves in order to distinghish left
* and right Alt or Control keys, which Windows won't do
* right if left to itself. See also the special processing
* at the top of TranslateKey.
*/
{
BYTE keystate[256];
int ret = GetKeyboardState(keystate);
if (ret && wParam == VK_MENU) {
if (lParam & 0x1000000) keystate[VK_RMENU] = 0;
else keystate[VK_LMENU] = 0;
SetKeyboardState (keystate);
}
if (ret && wParam == VK_CONTROL) {
if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0;
else keystate[VK_LCONTROL] = 0;
SetKeyboardState (keystate);
}
}
/*
* We don't return here, in order to allow Windows to do
* its own KEYUP processing as well.
*/
break;
case WM_CHAR:
case WM_SYSCHAR:
/*
* Nevertheless, we are prepared to deal with WM_CHAR
* messages, should they crop up. So if someone wants to
* post the things to us as part of a macro manoeuvre,
* we're ready to cope.
*/
{
char c = xlat_kbd2tty((unsigned char)wParam);
ldisc->send (&c, 1);
}
return 0;
}
return DefWindowProc (hwnd, message, wParam, lParam);
}
/*
* Draw a line of text in the window, at given character
* coordinates, in given attributes.
*
* We are allowed to fiddle with the contents of `text'.
*/
void do_text (Context ctx, int x, int y, char *text, int len,
unsigned long attr) {
int lattr = 0; /* Will be arg later for line attribute type */
COLORREF fg, bg, t;
int nfg, nbg, nfont;
HDC hdc = ctx;
RECT line_box;
int force_manual_underline = 0;
static int *IpDx = 0, IpDxLEN = 0;;
if (len>IpDxLEN || IpDx[0] != font_width*(1+!lattr)) {
int i;
if (len>IpDxLEN) {
sfree(IpDx);
IpDx = smalloc((len+16)*sizeof(int));
IpDxLEN = (len+16);
}
for(i=0; i<len; i++)
IpDx[i] = font_width;
}
x *= font_width;
y *= font_height;
if (lattr) x *= 2;
if (attr & ATTR_ACTCURS) {
attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
attr ^= ATTR_CUR_XOR;
}
nfont = 0;
if (cfg.vtmode == VT_OEMONLY)
nfont |= FONT_OEM;
/*
* Map high-half characters in order to approximate ISO using
* OEM character set. No characters are missing if the OEM codepage
* is CP850.
*/
if (nfont & FONT_OEM) {
int i;
for (i=0; i<len; i++)
if (text[i] >= '\xA0' && text[i] <= '\xFF') {
#if 0
/* This is CP850 ... perfect translation */
static const char oemhighhalf[] =
"\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
"\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
"\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
"\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
"\xB7\xB5\xB6\xC7\x8E\x8F\x92\x80" /* C0-C7 */
"\xD4\x90\xD2\xD3\xDE\xD6\xD7\xD8" /* C8-CF */
"\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
"\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
"\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
"\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
"\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
"\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
;
#endif
/* This is CP437 ... junk translation */
static const unsigned char oemhighhalf[] = {
0xff, 0xad, 0x9b, 0x9c, 0x6f, 0x9d, 0x7c, 0x15,
0x22, 0x43, 0xa6, 0xae, 0xaa, 0x2d, 0x52, 0xc4,
0xf8, 0xf1, 0xfd, 0x33, 0x27, 0xe6, 0x14, 0xfa,
0x2c, 0x31, 0xa7, 0xaf, 0xac, 0xab, 0x2f, 0xa8,
0x41, 0x41, 0x41, 0x41, 0x8e, 0x8f, 0x92, 0x80,
0x45, 0x90, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49,
0x44, 0xa5, 0x4f, 0x4f, 0x4f, 0x4f, 0x99, 0x78,
0xed, 0x55, 0x55, 0x55, 0x9a, 0x59, 0x50, 0xe1,
0x85, 0xa0, 0x83, 0x61, 0x84, 0x86, 0x91, 0x87,
0x8a, 0x82, 0x88, 0x89, 0x8d, 0xa1, 0x8c, 0x8b,
0x0b, 0xa4, 0x95, 0xa2, 0x93, 0x6f, 0x94, 0xf6,
0xed, 0x97, 0xa3, 0x96, 0x81, 0x79, 0x70, 0x98
};
text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
}
}
if (attr & ATTR_GBCHR) {
int i;
/*
* GB mapping: map # to pound, and everything else stays
* normal.
*/
for (i=0; i<len; i++)
if (text[i] == '#')
text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
} else if (attr & ATTR_LINEDRW) {
int i;
/* ISO 8859-1 */
static const char poorman[] =
"*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
/* CP437 */
static const char oemmap_437[] =
"\x04\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
"\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3\xF3\xF2\xE3*\x9C\xFA";
/* CP850 */
static const char oemmap_850[] =
"\x04\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
"\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
/* Poor windows font ... eg: windows courier */
static const char oemmap[] =
"*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
"\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
/*
* Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
* VT100 line drawing chars; everything else stays normal.
*/
switch (cfg.vtmode) {
case VT_XWINDOWS:
for (i=0; i<len; i++)
if (text[i] >= '\x60' && text[i] <= '\x7E')
text[i] += '\x01' - '\x60';
break;
case VT_OEMANSI:
/* Make sure we actually have an OEM font */
if (fonts[nfont|FONT_OEM]) {
case VT_OEMONLY:
nfont |= FONT_OEM;
for (i=0; i<len; i++)
if (text[i] >= '\x60' && text[i] <= '\x7E')
text[i] = oemmap[(unsigned char)text[i] - 0x60];
break;
}
case VT_POORMAN:
for (i=0; i<len; i++)
if (text[i] >= '\x60' && text[i] <= '\x7E')
text[i] = poorman[(unsigned char)text[i] - 0x60];
break;
}
}
nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
nfont |= FONT_BOLD;
if (und_mode == UND_FONT && (attr & ATTR_UNDER))
nfont |= FONT_UNDERLINE;
if (!fonts[nfont])
{
if (nfont&FONT_UNDERLINE)
force_manual_underline = 1;
/* Don't do the same for manual bold, it could be bad news. */
nfont &= ~(FONT_BOLD|FONT_UNDERLINE);
}
if (attr & ATTR_REVERSE) {
t = nfg; nfg = nbg; nbg = t;
}
if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
nfg++;
if (bold_mode == BOLD_COLOURS && (attr & ATTR_BLINK))
nbg++;
fg = colours[nfg];
bg = colours[nbg];
SelectObject (hdc, fonts[nfont]);
SetTextColor (hdc, fg);
SetBkColor (hdc, bg);
SetBkMode (hdc, OPAQUE);
line_box.left = x;
line_box.top = y;
line_box.right = x+font_width*len;
line_box.bottom = y+font_height;
ExtTextOut (hdc, x, y, ETO_CLIPPED|ETO_OPAQUE, &line_box, text, len, IpDx);
if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
SetBkMode (hdc, TRANSPARENT);
/* GRR: This draws the character outside it's box and can leave
* 'droppings' even with the clip box! I suppose I could loop it
* one character at a time ... yuk. */
ExtTextOut (hdc, x-1, y, ETO_CLIPPED, &line_box, text, len, IpDx);
}
if (force_manual_underline ||
(und_mode == UND_LINE && (attr & ATTR_UNDER))) {
HPEN oldpen;
oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
MoveToEx (hdc, x, y+descent, NULL);
LineTo (hdc, x+len*font_width, y+descent);
oldpen = SelectObject (hdc, oldpen);
DeleteObject (oldpen);
}
if (attr & ATTR_PASCURS) {
POINT pts[5];
HPEN oldpen;
pts[0].x = pts[1].x = pts[4].x = x;
pts[2].x = pts[3].x = x+font_width-1;
pts[0].y = pts[3].y = pts[4].y = y;
pts[1].y = pts[2].y = y+font_height-1;
oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
Polyline (hdc, pts, 5);
oldpen = SelectObject (hdc, oldpen);
DeleteObject (oldpen);
}
}
/*
* Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
* codes. Returns number of bytes used.
*/
static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
unsigned char *p = output;
BYTE keystate[256];
int ret, code;
int cancel_alt = FALSE;
/*
* Get hold of the keyboard state, because we'll need it a few
* times shortly.
*/
ret = GetKeyboardState(keystate);
/*
* Record that we pressed key so the scroll window can be reset, but
* be careful to avoid Shift-UP/Down
*/
if( wParam != VK_SHIFT && wParam != VK_PRIOR && wParam != VK_NEXT ) {
seen_key_event = 1;
}
/*
* Windows does not always want to distinguish left and right
* Alt or Control keys. Thus we keep track of them ourselves.
* See also the WM_KEYUP handler.
*/
if (wParam == VK_MENU) {
if (lParam & 0x1000000) keystate[VK_RMENU] = 0x80;
else keystate[VK_LMENU] = 0x80;
SetKeyboardState (keystate);
return 0;
}
if (wParam == VK_CONTROL) {
if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0x80;
else keystate[VK_LCONTROL] = 0x80;
SetKeyboardState (keystate);
return 0;
}
/*
* Prepend ESC, and cancel ALT, if ALT was pressed at the time
* and it wasn't AltGr.
*/
if (lParam & 0x20000000 && (keystate[VK_LMENU] & 0x80)) {
*p++ = 0x1B;
cancel_alt = TRUE;
}
/*
* NetHack keypad mode. This may conflict with Shift-PgUp/PgDn,
* so we do it first.
*/
if (cfg.nethack_keypad) {
int shift = keystate[VK_SHIFT] & 0x80;
/*
* NB the shifted versions only work with numlock off.
*/
switch ( (lParam >> 16) & 0x1FF ) {
case 0x047: *p++ = shift ? 'Y' : 'y'; return p - output;
case 0x048: *p++ = shift ? 'K' : 'k'; return p - output;
case 0x049: *p++ = shift ? 'U' : 'u'; return p - output;
case 0x04B: *p++ = shift ? 'H' : 'h'; return p - output;
case 0x04C: *p++ = '.'; return p - output;
case 0x04D: *p++ = shift ? 'L' : 'l'; return p - output;
case 0x04F: *p++ = shift ? 'B' : 'b'; return p - output;
case 0x050: *p++ = shift ? 'J' : 'j'; return p - output;
case 0x051: *p++ = shift ? 'N' : 'n'; return p - output;
case 0x053: *p++ = '.'; return p - output;
}
}
/*
* Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
* events: we'll deal with those now.
*/
if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
return 0;
}
if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
return 0;
}
if ((lParam & 0x20000000) && wParam == VK_F4 && cfg.alt_f4) {
return -1;
}
if ((lParam & 0x20000000) && wParam == VK_SPACE && cfg.alt_space) {
SendMessage (hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
return -1;
}
/*
* In general, the strategy is to see what the Windows keymap
* translation has to say for itself, and then process function
* keys and suchlike ourselves if that fails. But first we must
* deal with the small number of special cases which the
* Windows keymap translator thinks it can do but gets wrong.
*
* First special case: we might want the Backspace key to send
* 0x7F not 0x08.
*/
if (wParam == VK_BACK) {
*p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
return p - output;
}
/*
* Control-Space should send ^@ (0x00), not Space.
*/
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
*p++ = 0x00;
return p - output;
}
if (app_keypad_keys) {
/*
* If we're in applications keypad mode, we have to process it
* before char-map translation, because it will pre-empt lots
* of stuff, even if NumLock is off.
*/
if (ret) {
/*
* Hack to ensure NumLock doesn't interfere with
* perception of Shift for Keypad Plus. I don't pretend
* to understand this, but it seems to work as is.
* Leave it alone, or die.
*/
keystate[VK_NUMLOCK] = 0;
SetKeyboardState (keystate);
GetKeyboardState (keystate);
}
switch ( (lParam >> 16) & 0x1FF ) {
case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
p += sprintf((char *)p,
(ret && (keystate[VK_SHIFT] & 0x80)) ?
"\x1BOm" : "\x1BOl");
return p - output;
case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
}
}
/*
* Shift-Tab should send ESC [ Z.
*/
if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_TAB) {
*p++ = 0x1B; /* ESC */
*p++ = '[';
*p++ = 'Z';
return p - output;
}
/*
* Before doing Windows charmap translation, remove LeftALT
* from the keymap, since its sole effect should be to prepend
* ESC, which we've already done. Note that removal of LeftALT
* has to happen _after_ the above call to SetKeyboardState, or
* dire things will befall.
*/
if (cancel_alt) {
keystate[VK_MENU] = keystate[VK_RMENU];
keystate[VK_LMENU] = 0;
}
/*
* Attempt the Windows char-map translation.
*/
if (ret) {
WORD chr;
int r;
BOOL capsOn=keystate[VK_CAPITAL] !=0;
/* helg: clear CAPS LOCK state if caps lock switches to cyrillic */
if(cfg.xlat_capslockcyr)
keystate[VK_CAPITAL] = 0;
r = ToAscii (wParam, (lParam >> 16) & 0xFF,
keystate, &chr, 0);
if(capsOn)
chr = xlat_latkbd2win((unsigned char)(chr & 0xFF));
if (r == 1) {
*p++ = xlat_kbd2tty((unsigned char)(chr & 0xFF));
return p - output;
}
}
/*
* OK, we haven't had a key code from the keymap translation.
* We'll try our various special cases and function keys, and
* then give up. (There's nothing wrong with giving up:
* Scrollock, Pause/Break, and of course the various buckybit
* keys all produce KEYDOWN events that we really _do_ want to
* ignore.)
*/
/*
* Control-2 should return ^@ (0x00), Control-6 should return
* ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
* the DOS keyboard handling did it, and we have nothing better
* to do with the key combo in question, we'll also map
* Control-Backquote to ^\ (0x1C).
*
* In addition a real VT100 maps Ctrl-3/4/5/7 and 8.
*/
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
*p++ = 0x00;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '3') {
*p++ = 0x1B;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '4') {
*p++ = 0x1C;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '5') {
*p++ = 0x1D;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
*p++ = 0x1E;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '7') {
*p++ = 0x1F;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '8') {
*p++ = 0x7F;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
*p++ = 0x1F;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
*p++ = 0x1C;
return p - output;
}
/*
* First, all the keys that do tilde codes. (ESC '[' nn '~',
* for integer decimal nn.)
*
* We also deal with the weird ones here. Linux VCs replace F1
* to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
* does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
* respectively.
*/
code = 0;
switch (wParam) {
case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
case VK_F11: code = 23; break;
case VK_F12: code = 24; break;
case VK_HOME: code = 1; break;
case VK_INSERT: code = 2; break;
case VK_DELETE: code = 3; break;
case VK_END: code = 4; break;
case VK_PRIOR: code = 5; break;
case VK_NEXT: code = 6; break;
}
if (cfg.linux_funkeys && code >= 11 && code <= 15) {
p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
return p - output;
}
if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
return p - output;
}
if (code) {
p += sprintf((char *)p, "\x1B[%d~", code);
return p - output;
}
/*
* Now the remaining keys (arrows and Keypad 5. Keypad 5 for
* some reason seems to send VK_CLEAR to Windows...).
*/
switch (wParam) {
case VK_UP:
p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
return p - output;
case VK_DOWN:
p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
return p - output;
case VK_RIGHT:
p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
return p - output;
case VK_LEFT:
p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
return p - output;
case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
}
return 0;
}
void set_title (char *title) {
sfree (window_name);
window_name = smalloc(1+strlen(title));
strcpy (window_name, title);
if (cfg.win_name_always || !IsIconic(hwnd))
SetWindowText (hwnd, title);
}
void set_icon (char *title) {
sfree (icon_name);
icon_name = smalloc(1+strlen(title));
strcpy (icon_name, title);
if (!cfg.win_name_always && IsIconic(hwnd))
SetWindowText (hwnd, title);
}
void set_sbar (int total, int start, int page) {
SCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
si.nMin = 0;
si.nMax = total - 1;
si.nPage = page;
si.nPos = start;
if (hwnd)
SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
}
Context get_ctx(void) {
HDC hdc;
if (hwnd) {
hdc = GetDC (hwnd);
if (hdc && pal)
SelectPalette (hdc, pal, FALSE);
return hdc;
} else
return NULL;
}
void free_ctx (Context ctx) {
SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
ReleaseDC (hwnd, ctx);
}
static void real_palette_set (int n, int r, int g, int b) {
if (pal) {
logpal->palPalEntry[n].peRed = r;
logpal->palPalEntry[n].peGreen = g;
logpal->palPalEntry[n].peBlue = b;
logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
colours[n] = PALETTERGB(r, g, b);
SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
} else
colours[n] = RGB(r, g, b);
}
void palette_set (int n, int r, int g, int b) {
static const int first[21] = {
0, 2, 4, 6, 8, 10, 12, 14,
1, 3, 5, 7, 9, 11, 13, 15,
16, 17, 18, 20, 22
};
real_palette_set (first[n], r, g, b);
if (first[n] >= 18)
real_palette_set (first[n]+1, r, g, b);
if (pal) {
HDC hdc = get_ctx();
UnrealizeObject (pal);
RealizePalette (hdc);
free_ctx (hdc);
}
}
void palette_reset (void) {
int i;
for (i = 0; i < NCOLOURS; i++) {
if (pal) {
logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
logpal->palPalEntry[i].peFlags = 0;
colours[i] = PALETTERGB(defpal[i].rgbtRed,
defpal[i].rgbtGreen,
defpal[i].rgbtBlue);
} else
colours[i] = RGB(defpal[i].rgbtRed,
defpal[i].rgbtGreen,
defpal[i].rgbtBlue);
}
if (pal) {
HDC hdc;
SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
hdc = get_ctx();
RealizePalette (hdc);
free_ctx (hdc);
}
}
void write_clip (void *data, int len) {
HGLOBAL clipdata;
void *lock;
clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
if (!clipdata)
return;
lock = GlobalLock (clipdata);
if (!lock)
return;
memcpy (lock, data, len);
((unsigned char *) lock) [len] = 0;
GlobalUnlock (clipdata);
SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
if (OpenClipboard (hwnd)) {
EmptyClipboard();
SetClipboardData (CF_TEXT, clipdata);
CloseClipboard();
} else
GlobalFree (clipdata);
SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
}
void get_clip (void **p, int *len) {
static HGLOBAL clipdata = NULL;
if (!p) {
if (clipdata)
GlobalUnlock (clipdata);
clipdata = NULL;
return;
} else {
if (OpenClipboard (NULL)) {
clipdata = GetClipboardData (CF_TEXT);
CloseClipboard();
if (clipdata) {
*p = GlobalLock (clipdata);
if (*p) {
*len = strlen(*p);
return;
}
}
}
}
*p = NULL;
*len = 0;
}
/*
* Move `lines' lines from position `from' to position `to' in the
* window.
*/
void optimised_move (int to, int from, int lines) {
RECT r;
int min, max;
min = (to < from ? to : from);
max = to + from - min;
r.left = 0; r.right = cols * font_width;
r.top = min * font_height; r.bottom = (max+lines) * font_height;
ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
}
/*
* Print a message box and perform a fatal exit.
*/
void fatalbox(char *fmt, ...) {
va_list ap;
char stuff[200];
va_start(ap, fmt);
vsprintf(stuff, fmt, ap);
va_end(ap);
MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
exit(1);
}
/*
* Beep.
*/
void beep(void) {
MessageBeep(MB_OK);
}
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