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putty
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putty/window.c

1522 строки
41 KiB
C
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#include <windows.h>
#include <commctrl.h>
#include <winsock.h>
#include <stdio.h>
#include <stdlib.h>
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
#include "win_res.h"
#define IDM_SHOWLOG 501
#define IDM_NEWSESS 502
#define IDM_DUPSESS 503
#define IDM_RECONF 504
#define IDM_CLRSB 505
#define IDM_RESET 506
#define IDM_TEL_AYT 507
#define IDM_TEL_BRK 508
#define IDM_TEL_SYNCH 509
#define IDM_TEL_EC 510
#define IDM_TEL_EL 511
#define IDM_TEL_GA 512
#define IDM_TEL_NOP 513
#define IDM_TEL_ABORT 514
#define IDM_TEL_AO 515
#define IDM_TEL_IP 516
#define IDM_TEL_SUSP 517
#define IDM_TEL_EOR 518
#define IDM_TEL_EOF 519
#define IDM_ABOUT 520
#define WM_IGNORE_SIZE (WM_USER + 2)
#define WM_IGNORE_CLIP (WM_USER + 3)
static int WINAPI 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(void);
static int extra_width, extra_height;
#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;
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;
do_defaults(NULL);
p = cmdline;
while (*p && isspace(*p)) p++;
/*
* 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, "%x", &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;
}
}
}
back = (cfg.protocol == PROT_SSH ? &ssh_backend : &telnet_backend);
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_ARROW);
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();
/*
* 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, "PuTTY: %s", realhost);
set_title (msg);
set_icon (msg);
}
/*
* Set up the input and output buffers.
*/
inbuf_reap = inbuf_head = 0;
outbuf_reap = outbuf_head = 0;
/*
* 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;
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_ENABLED, IDM_SHOWLOG, "Show Negotiation");
AppendMenu (m, MF_SEPARATOR, 0, 0);
}
AppendMenu (m, MF_ENABLED, IDM_NEWSESS, "New Session");
AppendMenu (m, MF_ENABLED, IDM_DUPSESS, "Duplicate Session");
AppendMenu (m, MF_ENABLED, IDM_RECONF, "Change Settings");
AppendMenu (m, MF_SEPARATOR, 0, 0);
AppendMenu (m, MF_ENABLED, IDM_CLRSB, "Clear Scrollback");
AppendMenu (m, MF_ENABLED, IDM_RESET, "Reset 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);
while (GetMessage (&msg, NULL, 0, 0)) {
DispatchMessage (&msg);
if (inbuf_reap != inbuf_head)
term_out();
/* In idle moments, do a full screen update */
if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
term_update();
}
/*
* 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;
}
/*
* 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).
*
* - verify, in OEM/ANSI combined mode, that the OEM and ANSI base
* fonts are the same size, and shift to OEM-only mode if not.
*/
static void init_fonts(void) {
TEXTMETRIC tm;
int i, j;
int widths[5];
HDC hdc;
int fw_dontcare, fw_bold;
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;
}
#define f(i,c,w,u) \
fonts[i] = CreateFont (cfg.fontheight, 0, 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, ANSI_CHARSET, fw_dontcare, FALSE);
f(FONT_UNDERLINE, ANSI_CHARSET, fw_dontcare, TRUE);
}
if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
f(FONT_OEM, OEM_CHARSET, fw_dontcare, FALSE);
f(FONT_OEMUND, OEM_CHARSET, fw_dontcare, TRUE);
}
if (bold_mode == BOLD_FONT) {
if (cfg.vtmode != VT_OEMONLY) {
f(FONT_BOLD, ANSI_CHARSET, fw_bold, FALSE);
f(FONT_BOLDUND, ANSI_CHARSET, fw_bold, TRUE);
}
if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
f(FONT_OEMBOLD, OEM_CHARSET, fw_bold, FALSE);
f(FONT_OEMBOLDUND, OEM_CHARSET, fw_bold, TRUE);
}
} else {
fonts[FONT_BOLD] = fonts[FONT_BOLDUND] = NULL;
fonts[FONT_OEMBOLD] = fonts[FONT_OEMBOLDUND] = NULL;
}
#undef f
hdc = GetDC(hwnd);
if (cfg.vtmode == VT_OEMONLY)
j = 4;
else
j = 0;
for (i=0; i<(cfg.vtmode == VT_OEMANSI ? 5 : 4); i++) {
if (fonts[i+j]) {
SelectObject (hdc, fonts[i+j]);
GetTextMetrics(hdc, &tm);
if (i == 0 || i == 4) {
font_height = tm.tmHeight;
font_width = tm.tmAveCharWidth;
descent = tm.tmAscent + 1;
if (descent >= font_height)
descent = font_height - 1;
}
widths[i] = tm.tmAveCharWidth;
}
}
ReleaseDC (hwnd, hdc);
if (widths[FONT_UNDERLINE] != widths[FONT_NORMAL] ||
(bold_mode == BOLD_FONT &&
widths[FONT_BOLDUND] != widths[FONT_BOLD])) {
und_mode = UND_LINE;
DeleteObject (fonts[FONT_UNDERLINE]);
if (bold_mode == BOLD_FONT)
DeleteObject (fonts[FONT_BOLDUND]);
}
if (bold_mode == BOLD_FONT &&
widths[FONT_BOLD] != widths[FONT_NORMAL]) {
bold_mode = BOLD_SHADOW;
DeleteObject (fonts[FONT_BOLD]);
if (und_mode == UND_FONT)
DeleteObject (fonts[FONT_BOLDUND]);
}
if (cfg.vtmode == VT_OEMANSI && widths[FONT_OEM] != widths[FONT_NORMAL]) {
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;
for (i=0; i<4; i++)
if (fonts[i])
DeleteObject (fonts[i]);
}
}
void request_resize (int w, int h) {
int width = extra_width + font_width * w;
int 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 int WINAPI 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_CREATE:
break;
case WM_DESTROY:
PostQuitMessage (0);
return 0;
case WM_SYSCOMMAND:
switch (wParam) {
case IDM_SHOWLOG:
shownegot(hwnd);
break;
case IDM_NEWSESS:
case IDM_DUPSESS:
{
char b[2048];
char c[30], *cl;
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 &%08x", filemap);
cl = c;
} 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);
}
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();
sfree(logpal);
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;
}
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)));
return 0;
ReleaseCapture();
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:
{
int i = back->msg (wParam, 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 {
MessageBox(hwnd, "Connection closed by remote host",
"PuTTY", MB_OK | MB_ICONINFORMATION);
SetWindowText (hwnd, "PuTTY (inactive)");
}
}
}
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_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;
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;
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);
back->send (buf, len);
}
return 0;
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 = wParam;
back->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) {
COLORREF fg, bg, t;
int nfg, nbg, nfont;
HDC hdc = ctx;
x *= font_width;
y *= font_height;
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. Characters missing are 0xC3 (Atilde) and
* 0xCC (Igrave).
*/
if (nfont & FONT_OEM) {
int i;
for (i=0; i<len; i++)
if (text[i] >= '\xA0' && text[i] <= '\xFF') {
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\x41\x8E\x8F\x92\x80" /* C0-C7 */
"\xD4\x90\xD2\xD3\x49\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 */
;
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;
static const char poorman[] =
"*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
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:
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 (attr & ATTR_REVERSE) {
t = nfg; nfg = nbg; nbg = t;
}
if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
nfg++;
fg = colours[nfg];
bg = colours[nbg];
SelectObject (hdc, fonts[nfont]);
SetTextColor (hdc, fg);
SetBkColor (hdc, bg);
SetBkMode (hdc, OPAQUE);
TextOut (hdc, x, y, text, len);
if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
SetBkMode (hdc, TRANSPARENT);
TextOut (hdc, x-1, y, text, len);
}
if (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;
/*
* Prepend ESC if ALT was pressed at the time.
*/
if (lParam & 0x20000000)
*p++ = 0x1B;
/*
* Get hold of the keyboard state, because we'll need it a few
* times shortly.
*/
ret = GetKeyboardState(keystate);
/*
* 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) {
SendMessage (hwnd, WM_DESTROY, 0, 0);
return 0;
}
/*
* 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 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 (app_keypad_keys) {
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;
}
}
/*
* Before doing Windows charmap translation, remove ALT from
* the keymap, since its sole effect should be to prepend ESC,
* which we've already done. Note that removal of ALT has to
* happen _after_ the above call to SetKeyboardState, or dire
* things will befall.
*/
keystate[VK_MENU] = keystate[VK_LMENU] = keystate[VK_RMENU] = 0;
/*
* Attempt the Windows char-map translation.
*/
if (ret) {
WORD chr;
int r = ToAscii (wParam, (lParam >> 16) & 0xFF,
keystate, &chr, 0);
if (r == 1) {
*p++ = 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).
*/
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
*p++ = 0x00;
return p - output;
}
if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
*p++ = 0x1E;
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() {
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, d;
min = (to < from ? to : from);
max = to + from - min;
d = max - 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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