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putty
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putty/window.c

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118 KiB
C
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#include <windows.h>
#include <imm.h>
#include <commctrl.h>
#include <richedit.h>
#include <mmsystem.h>
#ifndef AUTO_WINSOCK
#ifdef WINSOCK_TWO
#include <winsock2.h>
#else
#include <winsock.h>
#endif
#endif
#ifndef NO_MULTIMON
#if WINVER < 0x0500
#define COMPILE_MULTIMON_STUBS
#include <multimon.h>
#endif
#endif
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#include <assert.h>
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
#include "terminal.h"
#include "winstuff.h"
#include "storage.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_HELP 0x0140
#define IDM_ABOUT 0x0150
#define IDM_SAVEDSESS 0x0160
#define IDM_COPYALL 0x0170
#define IDM_FULLSCREEN 0x0180
#define IDM_SESSLGP 0x0250 /* log type printable */
#define IDM_SESSLGA 0x0260 /* log type all chars */
#define IDM_SESSLGE 0x0270 /* log end */
#define IDM_SPECIAL_MIN 0x0400
#define IDM_SPECIAL_MAX 0x0800
#define IDM_SAVED_MIN 0x1000
#define IDM_SAVED_MAX 0x2000
#define WM_IGNORE_CLIP (WM_XUSER + 2)
#define WM_FULLSCR_ON_MAX (WM_XUSER + 3)
#define WM_AGENT_CALLBACK (WM_XUSER + 4)
/* Needed for Chinese support and apparently not always defined. */
#ifndef VK_PROCESSKEY
#define VK_PROCESSKEY 0xE5
#endif
/* Mouse wheel support. */
#ifndef WM_MOUSEWHEEL
#define WM_MOUSEWHEEL 0x020A /* not defined in earlier SDKs */
#endif
#ifndef WHEEL_DELTA
#define WHEEL_DELTA 120
#endif
static Mouse_Button translate_button(Mouse_Button button);
static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
unsigned char *output);
static void cfgtopalette(void);
static void init_palette(void);
static void init_fonts(int, int);
static void another_font(int);
static void deinit_fonts(void);
static void set_input_locale(HKL);
static int is_full_screen(void);
static void make_full_screen(void);
static void clear_full_screen(void);
static void flip_full_screen(void);
/* Window layout information */
static void reset_window(int);
static int extra_width, extra_height;
static int font_width, font_height, font_dualwidth;
static int offset_width, offset_height;
static int was_zoomed = 0;
static int prev_rows, prev_cols;
static int pending_netevent = 0;
static WPARAM pend_netevent_wParam = 0;
static LPARAM pend_netevent_lParam = 0;
static void enact_pending_netevent(void);
static void flash_window(int mode);
static void sys_cursor_update(void);
static int is_shift_pressed(void);
static int get_fullscreen_rect(RECT * ss);
static time_t last_movement = 0;
static int caret_x = -1, caret_y = -1;
static int kbd_codepage;
static void *ldisc;
static Backend *back;
static void *backhandle;
static struct unicode_data ucsdata;
static int session_closed;
static const struct telnet_special *specials;
static int specials_menu_position;
Config cfg; /* exported to windlg.c */
extern struct sesslist sesslist; /* imported from windlg.c */
struct agent_callback {
void (*callback)(void *, void *, int);
void *callback_ctx;
void *data;
int len;
};
#define FONT_NORMAL 0
#define FONT_BOLD 1
#define FONT_UNDERLINE 2
#define FONT_BOLDUND 3
#define FONT_WIDE 0x04
#define FONT_HIGH 0x08
#define FONT_NARROW 0x10
#define FONT_OEM 0x20
#define FONT_OEMBOLD 0x21
#define FONT_OEMUND 0x22
#define FONT_OEMBOLDUND 0x23
#define FONT_MAXNO 0x2F
#define FONT_SHIFT 5
static HFONT fonts[FONT_MAXNO];
static LOGFONT lfont;
static int fontflag[FONT_MAXNO];
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 HBITMAP caretbm;
static int dbltime, lasttime, lastact;
static Mouse_Button lastbtn;
/* this allows xterm-style mouse handling. */
static int send_raw_mouse = 0;
static int wheel_accumulator = 0;
static char *window_name, *icon_name;
static int compose_state = 0;
static int wsa_started = 0;
static OSVERSIONINFO osVersion;
static UINT wm_mousewheel = WM_MOUSEWHEEL;
/* Dummy routine, only required in plink. */
void ldisc_update(void *frontend, int echo, int edit)
{
}
int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
{
WORD winsock_ver;
WSADATA wsadata;
WNDCLASS wndclass;
MSG msg;
int guess_width, guess_height;
hinst = inst;
flags = FLAG_VERBOSE | FLAG_INTERACTIVE;
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;
}
wsa_started = 1;
/* WISHLIST: maybe allow config tweaking even if winsock not present? */
sk_init();
InitCommonControls();
/* Ensure a Maximize setting in Explorer doesn't maximise the
* config box. */
defuse_showwindow();
{
ZeroMemory(&osVersion, sizeof(osVersion));
osVersion.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
if (!GetVersionEx ( (OSVERSIONINFO *) &osVersion)) {
char *str = dupprintf("%s Fatal Error", appname);
MessageBox(NULL, "Windows refuses to report a version",
str, MB_OK | MB_ICONEXCLAMATION);
sfree(str);
return 1;
}
}
/*
* If we're running a version of Windows that doesn't support
* WM_MOUSEWHEEL, find out what message number we should be
* using instead.
*/
if (osVersion.dwMajorVersion < 4 ||
(osVersion.dwMajorVersion == 4 &&
osVersion.dwPlatformId != VER_PLATFORM_WIN32_NT))
wm_mousewheel = RegisterWindowMessage("MSWHEEL_ROLLMSG");
/*
* See if we can find our Help file.
*/
{
char b[2048], *p, *q, *r;
FILE *fp;
GetModuleFileName(NULL, b, sizeof(b) - 1);
r = b;
p = strrchr(b, '\\');
if (p && p >= r) r = p+1;
q = strrchr(b, ':');
if (q && q >= r) r = q+1;
strcpy(r, "putty.hlp");
if ( (fp = fopen(b, "r")) != NULL) {
help_path = dupstr(b);
fclose(fp);
} else
help_path = NULL;
strcpy(r, "putty.cnt");
if ( (fp = fopen(b, "r")) != NULL) {
help_has_contents = TRUE;
fclose(fp);
} else
help_has_contents = FALSE;
}
/*
* Process the command line.
*/
{
char *p;
int got_host = 0;
default_protocol = be_default_protocol;
/* Find the appropriate default port. */
{
int i;
default_port = 0; /* illegal */
for (i = 0; backends[i].backend != NULL; i++)
if (backends[i].protocol == default_protocol) {
default_port = backends[i].backend->default_port;
break;
}
}
cfg.logtype = LGTYP_NONE;
do_defaults(NULL, &cfg);
p = cmdline;
/*
* Process a couple of command-line options which are more
* easily dealt with before the line is broken up into
* words. These are the soon-to-be-defunct @sessionname and
* the internal-use-only &sharedmemoryhandle, neither of
* which are combined with anything else.
*/
while (*p && isspace(*p))
p++;
if (*p == '@') {
int i = strlen(p);
while (i > 1 && isspace(p[i - 1]))
i--;
p[i] = '\0';
do_defaults(p + 1, &cfg);
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 {
/*
* Otherwise, break up the command line and deal with
* it sensibly.
*/
int argc, i;
char **argv;
split_into_argv(cmdline, &argc, &argv, NULL);
for (i = 0; i < argc; i++) {
char *p = argv[i];
int ret;
ret = cmdline_process_param(p, i+1<argc?argv[i+1]:NULL,
1, &cfg);
if (ret == -2) {
cmdline_error("option \"%s\" requires an argument", p);
} else if (ret == 2) {
i++; /* skip next argument */
} else if (ret == 1) {
continue; /* nothing further needs doing */
} else if (!strcmp(p, "-cleanup")) {
/*
* `putty -cleanup'. Remove all registry
* entries associated with PuTTY, and also find
* and delete the random seed file.
*/
char *s1, *s2;
s1 = dupprintf("This procedure will remove ALL Registry\n"
"entries associated with %s, and will\n"
"also remove the random seed file.\n"
"\n"
"THIS PROCESS WILL DESTROY YOUR SAVED\n"
"SESSIONS. Are you really sure you want\n"
"to continue?", appname);
s2 = dupprintf("%s Warning", appname);
if (MessageBox(NULL, s1, s2,
MB_YESNO | MB_ICONWARNING) == IDYES) {
cleanup_all();
}
sfree(s1);
sfree(s2);
exit(0);
} else if (*p != '-') {
char *q = p;
if (got_host) {
/*
* If we already have a host name, treat
* this argument as a port number. NB we
* have to treat this as a saved -P
* argument, so that it will be deferred
* until it's a good moment to run it.
*/
int ret = cmdline_process_param("-P", p, 1, &cfg);
assert(ret == 2);
} else if (!strncmp(q, "telnet:", 7)) {
/*
* If the hostname starts with "telnet:",
* set the protocol to Telnet and process
* the string as a Telnet URL.
*/
char c;
q += 7;
if (q[0] == '/' && q[1] == '/')
q += 2;
cfg.protocol = PROT_TELNET;
p = q;
while (*p && *p != ':' && *p != '/')
p++;
c = *p;
if (*p)
*p++ = '\0';
if (c == ':')
cfg.port = atoi(p);
else
cfg.port = -1;
strncpy(cfg.host, q, sizeof(cfg.host) - 1);
cfg.host[sizeof(cfg.host) - 1] = '\0';
got_host = 1;
} else {
/*
* Otherwise, treat this argument as a host
* name.
*/
while (*p && !isspace(*p))
p++;
if (*p)
*p++ = '\0';
strncpy(cfg.host, q, sizeof(cfg.host) - 1);
cfg.host[sizeof(cfg.host) - 1] = '\0';
got_host = 1;
}
} else {
cmdline_error("unknown option \"%s\"", p);
}
}
}
cmdline_run_saved(&cfg);
if (!*cfg.host && !do_config()) {
WSACleanup();
return 0;
}
/*
* Trim leading whitespace off the hostname if it's there.
*/
{
int space = strspn(cfg.host, " \t");
memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space);
}
/* See if host is of the form user@host */
if (cfg.host[0] != '\0') {
char *atsign = strchr(cfg.host, '@');
/* Make sure we're not overflowing the user field */
if (atsign) {
if (atsign - cfg.host < sizeof cfg.username) {
strncpy(cfg.username, cfg.host, atsign - cfg.host);
cfg.username[atsign - cfg.host] = '\0';
}
memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1));
}
}
/*
* Trim a colon suffix off the hostname if it's there.
*/
cfg.host[strcspn(cfg.host, ":")] = '\0';
/*
* Remove any remaining whitespace from the hostname.
*/
{
int p1 = 0, p2 = 0;
while (cfg.host[p2] != '\0') {
if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') {
cfg.host[p1] = cfg.host[p2];
p1++;
}
p2++;
}
cfg.host[p1] = '\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) {
char *str = dupprintf("%s Internal Error", appname);
MessageBox(NULL, "Unsupported protocol number found",
str, MB_OK | MB_ICONEXCLAMATION);
sfree(str);
WSACleanup();
return 1;
}
}
/* Check for invalid Port number (i.e. zero) */
if (cfg.port == 0) {
char *str = dupprintf("%s Internal Error", appname);
MessageBox(NULL, "Invalid Port Number",
str, MB_OK | MB_ICONEXCLAMATION);
sfree(str);
WSACleanup();
return 1;
}
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 = NULL;
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = appname;
RegisterClass(&wndclass);
}
hwnd = NULL;
memset(&ucsdata, 0, sizeof(ucsdata));
term = term_init(&cfg, &ucsdata, NULL);
logctx = log_init(NULL, &cfg);
term_provide_logctx(term, logctx);
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(term, cfg.height, cfg.width, cfg.savelines);
guess_width = extra_width + font_width * term->cols;
guess_height = extra_height + font_height * term->rows;
{
RECT r;
get_fullscreen_rect(&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;
}
{
int winmode = WS_OVERLAPPEDWINDOW | WS_VSCROLL;
int exwinmode = 0;
if (!cfg.scrollbar)
winmode &= ~(WS_VSCROLL);
if (cfg.resize_action == RESIZE_DISABLED)
winmode &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
if (cfg.alwaysontop)
exwinmode |= WS_EX_TOPMOST;
if (cfg.sunken_edge)
exwinmode |= WS_EX_CLIENTEDGE;
hwnd = CreateWindowEx(exwinmode, appname, appname,
winmode, CW_USEDEFAULT, CW_USEDEFAULT,
guess_width, guess_height,
NULL, NULL, inst, NULL);
}
/*
* Initialise the fonts, simultaneously correcting the guesses
* for font_{width,height}.
*/
init_fonts(0,0);
/*
* Correct the guesses for extra_{width,height}.
*/
{
RECT cr, wr;
GetWindowRect(hwnd, &wr);
GetClientRect(hwnd, &cr);
offset_width = offset_height = cfg.window_border;
extra_width = wr.right - wr.left - cr.right + cr.left + offset_width*2;
extra_height = wr.bottom - wr.top - cr.bottom + cr.top +offset_height*2;
}
/*
* Resize the window, now we know what size we _really_ want it
* to be.
*/
guess_width = extra_width + font_width * term->cols;
guess_height = extra_height + font_height * term->rows;
SetWindowPos(hwnd, NULL, 0, 0, guess_width, guess_height,
SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
/*
* Set up a caret bitmap, with no content.
*/
{
char *bits;
int size = (font_width + 15) / 16 * 2 * font_height;
bits = snewn(size, char);
memset(bits, 0, size);
caretbm = CreateBitmap(font_width, font_height, 1, 1, bits);
sfree(bits);
}
CreateCaret(hwnd, caretbm, font_width, font_height);
/*
* Initialise the scroll bar.
*/
{
SCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = SIF_ALL | SIF_DISABLENOSCROLL;
si.nMin = 0;
si.nMax = term->rows - 1;
si.nPage = term->rows;
si.nPos = 0;
SetScrollInfo(hwnd, SB_VERT, &si, FALSE);
}
/*
* Start up the telnet connection.
*/
{
const char *error;
char msg[1024], *title;
char *realhost;
error = back->init(NULL, &backhandle, &cfg,
cfg.host, cfg.port, &realhost, cfg.tcp_nodelay);
back->provide_logctx(backhandle, logctx);
if (error) {
char *str = dupprintf("%s Error", appname);
sprintf(msg, "Unable to open connection to\n"
"%.800s\n" "%s", cfg.host, error);
MessageBox(NULL, msg, str, MB_ICONERROR | MB_OK);
sfree(str);
return 0;
}
window_name = icon_name = NULL;
if (*cfg.wintitle) {
title = cfg.wintitle;
} else {
sprintf(msg, "%s - %s", realhost, appname);
title = msg;
}
sfree(realhost);
set_title(NULL, title);
set_icon(NULL, title);
}
/*
* Connect the terminal to the backend for resize purposes.
*/
term_provide_resize_fn(term, back->size, backhandle);
/*
* Set up a line discipline.
*/
ldisc = ldisc_create(&cfg, term, back, backhandle, NULL);
session_closed = FALSE;
/*
* Prepare the mouse handler.
*/
lastact = MA_NOTHING;
lastbtn = MBT_NOTHING;
dbltime = GetDoubleClickTime();
/*
* Set up the session-control options on the system menu.
*/
{
HMENU m = GetSystemMenu(hwnd, FALSE);
HMENU s;
int i;
char *str;
AppendMenu(m, MF_SEPARATOR, 0, 0);
specials_menu_position = GetMenuItemCount(m);
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(&sesslist, TRUE);
for (i = 1;
i < ((sesslist.nsessions < 256) ? sesslist.nsessions : 256);
i++)
AppendMenu(s, MF_ENABLED, IDM_SAVED_MIN + (16 * i),
sesslist.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_COPYALL, "C&opy All to Clipboard");
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, (cfg.resize_action == RESIZE_DISABLED) ?
MF_GRAYED : MF_ENABLED, IDM_FULLSCREEN, "&Full Screen");
AppendMenu(m, MF_SEPARATOR, 0, 0);
if (help_path)
AppendMenu(m, MF_ENABLED, IDM_HELP, "&Help");
str = dupprintf("&About %s", appname);
AppendMenu(m, MF_ENABLED, IDM_ABOUT, str);
sfree(str);
}
update_specials_menu(NULL);
/*
* Set up the initial input locale.
*/
set_input_locale(GetKeyboardLayout(0));
/*
* Open the initial log file if there is one.
*/
logfopen(logctx);
/*
* Finally show the window!
*/
ShowWindow(hwnd, show);
SetForegroundWindow(hwnd);
/*
* Set the palette up.
*/
pal = NULL;
logpal = NULL;
init_palette();
term->has_focus = (GetForegroundWindow() == hwnd);
UpdateWindow(hwnd);
if (GetMessage(&msg, NULL, 0, 0) == 1) {
int timer_id = 0, long_timer = 0;
while (msg.message != WM_QUIT) {
/* 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);
if (!(IsWindow(logbox) && IsDialogMessage(logbox, &msg)))
DispatchMessage(&msg);
/* Make sure we blink everything that needs it. */
term_blink(term, 0);
/* Send the paste buffer if there's anything to send */
term_paste(term);
/* 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_REMOVE))
continue;
if (pending_netevent) {
enact_pending_netevent();
if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
continue;
}
/* Okay there is now nothing to do so we make sure the screen is
* completely up to date then tell windows to call us in a little
* while.
*/
if (timer_id) {
KillTimer(hwnd, timer_id);
timer_id = 0;
}
HideCaret(hwnd);
if (GetCapture() != hwnd ||
(send_raw_mouse &&
!(cfg.mouse_override && is_shift_pressed())))
term_out(term);
term_update(term);
ShowCaret(hwnd);
flash_window(1); /* maintain */
/* The messages seem unreliable; especially if we're being tricky */
term->has_focus = (GetForegroundWindow() == hwnd);
if (term->in_vbell)
/* Hmm, term_update didn't want to do an update too soon ... */
timer_id = SetTimer(hwnd, 1, 50, NULL);
else if (!term->has_focus)
timer_id = SetTimer(hwnd, 1, 500, NULL);
else
timer_id = SetTimer(hwnd, 1, 100, NULL);
long_timer = 1;
/* There's no point rescanning everything in the message queue
* so we do an apparently unnecessary wait here
*/
WaitMessage();
if (GetMessage(&msg, NULL, 0, 0) != 1)
break;
}
}
cleanup_exit(msg.wParam); /* this doesn't return... */
return msg.wParam; /* ... but optimiser doesn't know */
}
/*
* Clean up and exit.
*/
void cleanup_exit(int code)
{
/*
* Clean up.
*/
deinit_fonts();
sfree(logpal);
if (pal)
DeleteObject(pal);
sk_cleanup();
if (wsa_started)
WSACleanup();
if (cfg.protocol == PROT_SSH) {
random_save_seed();
#ifdef MSCRYPTOAPI
crypto_wrapup();
#endif
}
exit(code);
}
/*
* Set up, or shut down, an AsyncSelect. Called from winnet.c.
*/
char *do_select(SOCKET skt, int startup)
{
int msg, events;
if (startup) {
msg = WM_NETEVENT;
events = (FD_CONNECT | FD_READ | FD_WRITE |
FD_OOB | FD_CLOSE | FD_ACCEPT);
} else {
msg = events = 0;
}
if (!hwnd)
return "do_select(): internal error (hwnd==NULL)";
if (WSAAsyncSelect(skt, hwnd, msg, events) == SOCKET_ERROR) {
switch (WSAGetLastError()) {
case WSAENETDOWN:
return "Network is down";
default:
return "WSAAsyncSelect(): unknown error";
}
}
return NULL;
}
/*
* Update the Special Commands submenu.
*/
void update_specials_menu(void *frontend)
{
HMENU m = GetSystemMenu(hwnd, FALSE);
int menu_already_exists = (specials != NULL);
int i;
specials = back->get_specials(backhandle);
if (specials) {
HMENU p = CreateMenu();
for (i = 0; specials[i].name; i++) {
assert(IDM_SPECIAL_MIN + 0x10 * i < IDM_SPECIAL_MAX);
if (*specials[i].name)
AppendMenu(p, MF_ENABLED, IDM_SPECIAL_MIN + 0x10 * i,
specials[i].name);
else
AppendMenu(p, MF_SEPARATOR, 0, 0);
}
if (menu_already_exists)
DeleteMenu(m, specials_menu_position, MF_BYPOSITION);
else
InsertMenu(m, specials_menu_position,
MF_BYPOSITION | MF_SEPARATOR, 0, 0);
InsertMenu(m, specials_menu_position,
MF_BYPOSITION | MF_POPUP | MF_ENABLED,
(UINT) p, "Special Command");
}
}
/*
* set or clear the "raw mouse message" mode
*/
void set_raw_mouse_mode(void *frontend, int activate)
{
activate = activate && !cfg.no_mouse_rep;
send_raw_mouse = activate;
SetCursor(LoadCursor(NULL, activate ? IDC_ARROW : IDC_IBEAM));
}
/*
* Print a message box and close the connection.
*/
void connection_fatal(void *frontend, char *fmt, ...)
{
va_list ap;
char *stuff, morestuff[100];
va_start(ap, fmt);
stuff = dupvprintf(fmt, ap);
va_end(ap);
sprintf(morestuff, "%.70s Fatal Error", appname);
MessageBox(hwnd, stuff, morestuff, MB_ICONERROR | MB_OK);
sfree(stuff);
if (cfg.close_on_exit == FORCE_ON)
PostQuitMessage(1);
else {
session_closed = TRUE;
sprintf(morestuff, "%.70s (inactive)", appname);
set_icon(NULL, morestuff);
set_title(NULL, morestuff);
}
}
/*
* Report an error at the command-line parsing stage.
*/
void cmdline_error(char *fmt, ...)
{
va_list ap;
char *stuff, morestuff[100];
va_start(ap, fmt);
stuff = dupvprintf(fmt, ap);
va_end(ap);
sprintf(morestuff, "%.70s Command Line Error", appname);
MessageBox(hwnd, stuff, morestuff, MB_ICONERROR | MB_OK);
sfree(stuff);
exit(1);
}
/*
* Actually do the job requested by a WM_NETEVENT
*/
static void enact_pending_netevent(void)
{
static int reentering = 0;
extern int select_result(WPARAM, LPARAM);
int ret;
if (reentering)
return; /* don't unpend the pending */
pending_netevent = FALSE;
reentering = 1;
ret = select_result(pend_netevent_wParam, pend_netevent_lParam);
reentering = 0;
if (ret == 0 && !session_closed) {
/* Abnormal exits will already have set session_closed and taken
* appropriate action. */
if (cfg.close_on_exit == FORCE_ON ||
cfg.close_on_exit == AUTO) PostQuitMessage(0);
else {
char morestuff[100];
session_closed = TRUE;
sprintf(morestuff, "%.70s (inactive)", appname);
set_icon(NULL, morestuff);
set_title(NULL, morestuff);
MessageBox(hwnd, "Connection closed by remote host",
appname, MB_OK | MB_ICONINFORMATION);
}
}
}
/*
* 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) {
/*
* This is a genuine case where we must use smalloc
* because the snew macros can't cope.
*/
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 initially. There may be as many as
* three or as few as one. The other (poentially) twentyone fonts are done
* if/when they are needed.
*
* 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, int pick_height)
{
TEXTMETRIC tm;
CPINFO cpinfo;
int fontsize[3];
int i;
HDC hdc;
int fw_dontcare, fw_bold;
for (i = 0; i < FONT_MAXNO; i++)
fonts[i] = NULL;
bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
und_mode = UND_FONT;
if (cfg.font.isbold) {
fw_dontcare = FW_BOLD;
fw_bold = FW_HEAVY;
} else {
fw_dontcare = FW_DONTCARE;
fw_bold = FW_BOLD;
}
hdc = GetDC(hwnd);
if (pick_height)
font_height = pick_height;
else {
font_height = cfg.font.height;
if (font_height > 0) {
font_height =
-MulDiv(font_height, GetDeviceCaps(hdc, LOGPIXELSY), 72);
}
}
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.name)
f(FONT_NORMAL, cfg.font.charset, fw_dontcare, FALSE);
lfont.lfHeight = font_height;
lfont.lfWidth = font_width;
lfont.lfEscapement = 0;
lfont.lfOrientation = 0;
lfont.lfWeight = fw_dontcare;
lfont.lfItalic = FALSE;
lfont.lfUnderline = FALSE;
lfont.lfStrikeOut = FALSE;
lfont.lfCharSet = cfg.font.charset;
lfont.lfOutPrecision = OUT_DEFAULT_PRECIS;
lfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lfont.lfQuality = DEFAULT_QUALITY;
lfont.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
strncpy(lfont.lfFaceName, cfg.font.name, LF_FACESIZE);
SelectObject(hdc, fonts[FONT_NORMAL]);
GetTextMetrics(hdc, &tm);
if (pick_width == 0 || pick_height == 0) {
font_height = tm.tmHeight;
font_width = tm.tmAveCharWidth;
}
font_dualwidth = (tm.tmAveCharWidth != tm.tmMaxCharWidth);
#ifdef RDB_DEBUG_PATCH
debug(23, "Primary font H=%d, AW=%d, MW=%d",
tm.tmHeight, tm.tmAveCharWidth, tm.tmMaxCharWidth);
#endif
{
CHARSETINFO info;
DWORD cset = tm.tmCharSet;
memset(&info, 0xFF, sizeof(info));
/* !!! Yes the next line is right */
if (cset == OEM_CHARSET)
ucsdata.font_codepage = GetOEMCP();
else
if (TranslateCharsetInfo ((DWORD *) cset, &info, TCI_SRCCHARSET))
ucsdata.font_codepage = info.ciACP;
else
ucsdata.font_codepage = -1;
GetCPInfo(ucsdata.font_codepage, &cpinfo);
ucsdata.dbcs_screenfont = (cpinfo.MaxCharSize > 1);
}
f(FONT_UNDERLINE, cfg.font.charset, fw_dontcare, TRUE);
/*
* Some fonts, e.g. 9-pt Courier, draw their underlines
* outside their character cell. We successfully prevent
* screen corruption by clipping the text output, but then
* we lose the underline completely. Here we try to work
* out whether this is such a font, and if it is, we set a
* flag that causes underlines to be drawn by hand.
*
* Having tried other more sophisticated approaches (such
* as examining the TEXTMETRIC structure or requesting the
* height of a string), I think we'll do this the brute
* force way: we create a small bitmap, draw an underlined
* space on it, and test to see whether any pixels are
* foreground-coloured. (Since we expect the underline to
* go all the way across the character cell, we only search
* down a single column of the bitmap, half way across.)
*/
{
HDC und_dc;
HBITMAP und_bm, und_oldbm;
int i, gotit;
COLORREF c;
und_dc = CreateCompatibleDC(hdc);
und_bm = CreateCompatibleBitmap(hdc, font_width, font_height);
und_oldbm = SelectObject(und_dc, und_bm);
SelectObject(und_dc, fonts[FONT_UNDERLINE]);
SetTextAlign(und_dc, TA_TOP | TA_LEFT | TA_NOUPDATECP);
SetTextColor(und_dc, RGB(255, 255, 255));
SetBkColor(und_dc, RGB(0, 0, 0));
SetBkMode(und_dc, OPAQUE);
ExtTextOut(und_dc, 0, 0, ETO_OPAQUE, NULL, " ", 1, NULL);
gotit = FALSE;
for (i = 0; i < font_height; i++) {
c = GetPixel(und_dc, font_width / 2, i);
if (c != RGB(0, 0, 0))
gotit = TRUE;
}
SelectObject(und_dc, und_oldbm);
DeleteObject(und_bm);
DeleteDC(und_dc);
if (!gotit) {
und_mode = UND_LINE;
DeleteObject(fonts[FONT_UNDERLINE]);
fonts[FONT_UNDERLINE] = 0;
}
}
if (bold_mode == BOLD_FONT) {
f(FONT_BOLD, cfg.font.charset, fw_bold, FALSE);
}
#undef f
descent = tm.tmAscent + 1;
if (descent >= font_height)
descent = font_height - 1;
for (i = 0; i < 3; i++) {
if (fonts[i]) {
if (SelectObject(hdc, fonts[i]) && GetTextMetrics(hdc, &tm))
fontsize[i] = tm.tmAveCharWidth + 256 * tm.tmHeight;
else
fontsize[i] = -i;
} else
fontsize[i] = -i;
}
ReleaseDC(hwnd, hdc);
if (fontsize[FONT_UNDERLINE] != fontsize[FONT_NORMAL]) {
und_mode = UND_LINE;
DeleteObject(fonts[FONT_UNDERLINE]);
fonts[FONT_UNDERLINE] = 0;
}
if (bold_mode == BOLD_FONT &&
fontsize[FONT_BOLD] != fontsize[FONT_NORMAL]) {
bold_mode = BOLD_SHADOW;
DeleteObject(fonts[FONT_BOLD]);
fonts[FONT_BOLD] = 0;
}
fontflag[0] = fontflag[1] = fontflag[2] = 1;
init_ucs(&cfg, &ucsdata);
}
static void another_font(int fontno)
{
int basefont;
int fw_dontcare, fw_bold;
int c, u, w, x;
char *s;
if (fontno < 0 || fontno >= FONT_MAXNO || fontflag[fontno])
return;
basefont = (fontno & ~(FONT_BOLDUND));
if (basefont != fontno && !fontflag[basefont])
another_font(basefont);
if (cfg.font.isbold) {
fw_dontcare = FW_BOLD;
fw_bold = FW_HEAVY;
} else {
fw_dontcare = FW_DONTCARE;
fw_bold = FW_BOLD;
}
c = cfg.font.charset;
w = fw_dontcare;
u = FALSE;
s = cfg.font.name;
x = font_width;
if (fontno & FONT_WIDE)
x *= 2;
if (fontno & FONT_NARROW)
x = (x+1)/2;
if (fontno & FONT_OEM)
c = OEM_CHARSET;
if (fontno & FONT_BOLD)
w = fw_bold;
if (fontno & FONT_UNDERLINE)
u = TRUE;
fonts[fontno] =
CreateFont(font_height * (1 + !!(fontno & FONT_HIGH)), x, 0, 0, w,
FALSE, u, FALSE, c, OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
FIXED_PITCH | FF_DONTCARE, s);
fontflag[fontno] = 1;
}
static void deinit_fonts(void)
{
int i;
for (i = 0; i < FONT_MAXNO; i++) {
if (fonts[i])
DeleteObject(fonts[i]);
fonts[i] = 0;
fontflag[i] = 0;
}
}
void request_resize(void *frontend, int w, int h)
{
int width, height;
/* If the window is maximized supress resizing attempts */
if (IsZoomed(hwnd)) {
if (cfg.resize_action == RESIZE_TERM)
return;
}
if (cfg.resize_action == RESIZE_DISABLED) return;
if (h == term->rows && w == term->cols) return;
/* Sanity checks ... */
{
static int first_time = 1;
static RECT ss;
switch (first_time) {
case 1:
/* Get the size of the screen */
if (get_fullscreen_rect(&ss))
/* first_time = 0 */ ;
else {
first_time = 2;
break;
}
case 0:
/* Make sure the values are sane */
width = (ss.right - ss.left - extra_width) / 4;
height = (ss.bottom - ss.top - extra_height) / 6;
if (w > width || h > height)
return;
if (w < 15)
w = 15;
if (h < 1)
h = 1;
}
}
term_size(term, h, w, cfg.savelines);
if (cfg.resize_action != RESIZE_FONT && !IsZoomed(hwnd)) {
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);
} else
reset_window(0);
InvalidateRect(hwnd, NULL, TRUE);
}
static void reset_window(int reinit) {
/*
* This function decides how to resize or redraw when the
* user changes something.
*
* This function doesn't like to change the terminal size but if the
* font size is locked that may be it's only soluion.
*/
int win_width, win_height;
RECT cr, wr;
#ifdef RDB_DEBUG_PATCH
debug((27, "reset_window()"));
#endif
/* Current window sizes ... */
GetWindowRect(hwnd, &wr);
GetClientRect(hwnd, &cr);
win_width = cr.right - cr.left;
win_height = cr.bottom - cr.top;
if (cfg.resize_action == RESIZE_DISABLED) reinit = 2;
/* Are we being forced to reload the fonts ? */
if (reinit>1) {
#ifdef RDB_DEBUG_PATCH
debug((27, "reset_window() -- Forced deinit"));
#endif
deinit_fonts();
init_fonts(0,0);
}
/* Oh, looks like we're minimised */
if (win_width == 0 || win_height == 0)
return;
/* Is the window out of position ? */
if ( !reinit &&
(offset_width != (win_width-font_width*term->cols)/2 ||
offset_height != (win_height-font_height*term->rows)/2) ){
offset_width = (win_width-font_width*term->cols)/2;
offset_height = (win_height-font_height*term->rows)/2;
InvalidateRect(hwnd, NULL, TRUE);
#ifdef RDB_DEBUG_PATCH
debug((27, "reset_window() -> Reposition terminal"));
#endif
}
if (IsZoomed(hwnd)) {
/* We're fullscreen, this means we must not change the size of
* the window so it's the font size or the terminal itself.
*/
extra_width = wr.right - wr.left - cr.right + cr.left;
extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
if (cfg.resize_action != RESIZE_TERM) {
if ( font_width != win_width/term->cols ||
font_height != win_height/term->rows) {
deinit_fonts();
init_fonts(win_width/term->cols, win_height/term->rows);
offset_width = (win_width-font_width*term->cols)/2;
offset_height = (win_height-font_height*term->rows)/2;
InvalidateRect(hwnd, NULL, TRUE);
#ifdef RDB_DEBUG_PATCH
debug((25, "reset_window() -> Z font resize to (%d, %d)",
font_width, font_height));
#endif
}
} else {
if ( font_width != win_width/term->cols ||
font_height != win_height/term->rows) {
/* Our only choice at this point is to change the
* size of the terminal; Oh well.
*/
term_size(term, win_height/font_height, win_width/font_width,
cfg.savelines);
offset_width = (win_width-font_width*term->cols)/2;
offset_height = (win_height-font_height*term->rows)/2;
InvalidateRect(hwnd, NULL, TRUE);
#ifdef RDB_DEBUG_PATCH
debug((27, "reset_window() -> Zoomed term_size"));
#endif
}
}
return;
}
/* Hmm, a force re-init means we should ignore the current window
* so we resize to the default font size.
*/
if (reinit>0) {
#ifdef RDB_DEBUG_PATCH
debug((27, "reset_window() -> Forced re-init"));
#endif
offset_width = offset_height = cfg.window_border;
extra_width = wr.right - wr.left - cr.right + cr.left + offset_width*2;
extra_height = wr.bottom - wr.top - cr.bottom + cr.top +offset_height*2;
if (win_width != font_width*term->cols + offset_width*2 ||
win_height != font_height*term->rows + offset_height*2) {
/* If this is too large windows will resize it to the maximum
* allowed window size, we will then be back in here and resize
* the font or terminal to fit.
*/
SetWindowPos(hwnd, NULL, 0, 0,
font_width*term->cols + extra_width,
font_height*term->rows + extra_height,
SWP_NOMOVE | SWP_NOZORDER);
}
InvalidateRect(hwnd, NULL, TRUE);
return;
}
/* Okay the user doesn't want us to change the font so we try the
* window. But that may be too big for the screen which forces us
* to change the terminal.
*/
if ((cfg.resize_action == RESIZE_TERM && reinit<=0) ||
(cfg.resize_action == RESIZE_EITHER && reinit<0) ||
reinit>0) {
offset_width = offset_height = cfg.window_border;
extra_width = wr.right - wr.left - cr.right + cr.left + offset_width*2;
extra_height = wr.bottom - wr.top - cr.bottom + cr.top +offset_height*2;
if (win_width != font_width*term->cols + offset_width*2 ||
win_height != font_height*term->rows + offset_height*2) {
static RECT ss;
int width, height;
get_fullscreen_rect(&ss);
width = (ss.right - ss.left - extra_width) / font_width;
height = (ss.bottom - ss.top - extra_height) / font_height;
/* Grrr too big */
if ( term->rows > height || term->cols > width ) {
if (cfg.resize_action == RESIZE_EITHER) {
/* Make the font the biggest we can */
if (term->cols > width)
font_width = (ss.right - ss.left - extra_width)
/ term->cols;
if (term->rows > height)
font_height = (ss.bottom - ss.top - extra_height)
/ term->rows;
deinit_fonts();
init_fonts(font_width, font_height);
width = (ss.right - ss.left - extra_width) / font_width;
height = (ss.bottom - ss.top - extra_height) / font_height;
} else {
if ( height > term->rows ) height = term->rows;
if ( width > term->cols ) width = term->cols;
term_size(term, height, width, cfg.savelines);
#ifdef RDB_DEBUG_PATCH
debug((27, "reset_window() -> term resize to (%d,%d)",
height, width));
#endif
}
}
SetWindowPos(hwnd, NULL, 0, 0,
font_width*term->cols + extra_width,
font_height*term->rows + extra_height,
SWP_NOMOVE | SWP_NOZORDER);
InvalidateRect(hwnd, NULL, TRUE);
#ifdef RDB_DEBUG_PATCH
debug((27, "reset_window() -> window resize to (%d,%d)",
font_width*term->cols + extra_width,
font_height*term->rows + extra_height));
#endif
}
return;
}
/* We're allowed to or must change the font but do we want to ? */
if (font_width != (win_width-cfg.window_border*2)/term->cols ||
font_height != (win_height-cfg.window_border*2)/term->rows) {
deinit_fonts();
init_fonts((win_width-cfg.window_border*2)/term->cols,
(win_height-cfg.window_border*2)/term->rows);
offset_width = (win_width-font_width*term->cols)/2;
offset_height = (win_height-font_height*term->rows)/2;
extra_width = wr.right - wr.left - cr.right + cr.left +offset_width*2;
extra_height = wr.bottom - wr.top - cr.bottom + cr.top+offset_height*2;
InvalidateRect(hwnd, NULL, TRUE);
#ifdef RDB_DEBUG_PATCH
debug((25, "reset_window() -> font resize to (%d,%d)",
font_width, font_height));
#endif
}
}
static void set_input_locale(HKL kl)
{
char lbuf[20];
GetLocaleInfo(LOWORD(kl), LOCALE_IDEFAULTANSICODEPAGE,
lbuf, sizeof(lbuf));
kbd_codepage = atoi(lbuf);
}
static void click(Mouse_Button b, int x, int y, int shift, int ctrl, int alt)
{
int thistime = GetMessageTime();
if (send_raw_mouse && !(cfg.mouse_override && shift)) {
lastbtn = MBT_NOTHING;
term_mouse(term, b, translate_button(b), MA_CLICK,
x, y, shift, ctrl, alt);
return;
}
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(term, b, translate_button(b), lastact,
x, y, shift, ctrl, alt);
lasttime = thistime;
}
/*
* Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
* into a cooked one (SELECT, EXTEND, PASTE).
*/
static Mouse_Button translate_button(Mouse_Button button)
{
if (button == MBT_LEFT)
return MBT_SELECT;
if (button == MBT_MIDDLE)
return cfg.mouse_is_xterm ? MBT_PASTE : MBT_EXTEND;
if (button == MBT_RIGHT)
return cfg.mouse_is_xterm ? MBT_EXTEND : MBT_PASTE;
return 0; /* shouldn't happen */
}
static void show_mouseptr(int show)
{
static int cursor_visible = 1;
if (!cfg.hide_mouseptr) /* override if this feature disabled */
show = 1;
if (cursor_visible && !show)
ShowCursor(FALSE);
else if (!cursor_visible && show)
ShowCursor(TRUE);
cursor_visible = show;
}
static int is_alt_pressed(void)
{
BYTE keystate[256];
int r = GetKeyboardState(keystate);
if (!r)
return FALSE;
if (keystate[VK_MENU] & 0x80)
return TRUE;
if (keystate[VK_RMENU] & 0x80)
return TRUE;
return FALSE;
}
static int is_shift_pressed(void)
{
BYTE keystate[256];
int r = GetKeyboardState(keystate);
if (!r)
return FALSE;
if (keystate[VK_SHIFT] & 0x80)
return TRUE;
return FALSE;
}
static int resizing;
static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
HDC hdc;
static int ignore_clip = FALSE;
static int need_backend_resize = FALSE;
static int fullscr_on_max = FALSE;
switch (message) {
case WM_TIMER:
if (pending_netevent)
enact_pending_netevent();
if (GetCapture() != hwnd ||
(send_raw_mouse && !(cfg.mouse_override && is_shift_pressed())))
term_out(term);
noise_regular();
HideCaret(hwnd);
term_update(term);
ShowCaret(hwnd);
if (cfg.ping_interval > 0) {
time_t now;
time(&now);
if (now - last_movement > cfg.ping_interval) {
back->special(backhandle, TS_PING);
last_movement = now;
}
}
net_pending_errors();
return 0;
case WM_CREATE:
break;
case WM_CLOSE:
{
char *str;
show_mouseptr(1);
str = dupprintf("%s Exit Confirmation", appname);
if (!cfg.warn_on_close || session_closed ||
MessageBox(hwnd,
"Are you sure you want to close this session?",
str, MB_ICONWARNING | MB_OKCANCEL) == IDOK)
DestroyWindow(hwnd);
sfree(str);
}
return 0;
case WM_DESTROY:
show_mouseptr(1);
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) {
if ((lParam - IDM_SAVED_MIN) / 16 < sesslist.nsessions) {
char *session =
sesslist.sessions[(lParam - IDM_SAVED_MIN) / 16];
cl = snewn(16 + strlen(session), char);
/* 8, but play safe */
if (!cl)
cl = NULL;
/* not a very important failure mode */
else {
sprintf(cl, "putty @%s", session);
freecl = TRUE;
}
} else
break;
} 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)
sfree(cl);
}
break;
case IDM_RECONF:
{
Config prev_cfg;
int init_lvl = 1;
GetWindowText(hwnd, cfg.wintitle, sizeof(cfg.wintitle));
prev_cfg = cfg;
if (!do_reconfig(hwnd))
break;
{
/* Disable full-screen if resizing forbidden */
HMENU m = GetSystemMenu (hwnd, FALSE);
EnableMenuItem(m, IDM_FULLSCREEN, MF_BYCOMMAND |
(cfg.resize_action == RESIZE_DISABLED)
? MF_GRAYED : MF_ENABLED);
/* Gracefully unzoom if necessary */
if (IsZoomed(hwnd) &&
(cfg.resize_action == RESIZE_DISABLED)) {
ShowWindow(hwnd, SW_RESTORE);
}
}
/* Pass new config data to the logging module */
log_reconfig(logctx, &cfg);
sfree(logpal);
/*
* Flush the line discipline's edit buffer in the
* case where local editing has just been disabled.
*/
ldisc_send(ldisc, NULL, 0, 0);
if (pal)
DeleteObject(pal);
logpal = NULL;
pal = NULL;
cfgtopalette();
init_palette();
/* Pass new config data to the terminal */
term_reconfig(term, &cfg);
/* Pass new config data to the back end */
back->reconfig(backhandle, &cfg);
/* Screen size changed ? */
if (cfg.height != prev_cfg.height ||
cfg.width != prev_cfg.width ||
cfg.savelines != prev_cfg.savelines ||
cfg.resize_action == RESIZE_FONT ||
(cfg.resize_action == RESIZE_EITHER && IsZoomed(hwnd)) ||
cfg.resize_action == RESIZE_DISABLED)
term_size(term, cfg.height, cfg.width, cfg.savelines);
/* Enable or disable the scroll bar, etc */
{
LONG nflg, flag = GetWindowLong(hwnd, GWL_STYLE);
LONG nexflag, exflag =
GetWindowLong(hwnd, GWL_EXSTYLE);
nexflag = exflag;
if (cfg.alwaysontop != prev_cfg.alwaysontop) {
if (cfg.alwaysontop) {
nexflag |= WS_EX_TOPMOST;
SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE);
} else {
nexflag &= ~(WS_EX_TOPMOST);
SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE);
}
}
if (cfg.sunken_edge)
nexflag |= WS_EX_CLIENTEDGE;
else
nexflag &= ~(WS_EX_CLIENTEDGE);
nflg = flag;
if (is_full_screen() ?
cfg.scrollbar_in_fullscreen : cfg.scrollbar)
nflg |= WS_VSCROLL;
else
nflg &= ~WS_VSCROLL;
if (cfg.resize_action == RESIZE_DISABLED ||
is_full_screen())
nflg &= ~WS_THICKFRAME;
else
nflg |= WS_THICKFRAME;
if (cfg.resize_action == RESIZE_DISABLED)
nflg &= ~WS_MAXIMIZEBOX;
else
nflg |= WS_MAXIMIZEBOX;
if (nflg != flag || nexflag != exflag) {
if (nflg != flag)
SetWindowLong(hwnd, GWL_STYLE, nflg);
if (nexflag != exflag)
SetWindowLong(hwnd, GWL_EXSTYLE, nexflag);
SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOCOPYBITS |
SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
SWP_FRAMECHANGED);
init_lvl = 2;
}
}
/* Oops */
if (cfg.resize_action == RESIZE_DISABLED && IsZoomed(hwnd)) {
force_normal(hwnd);
init_lvl = 2;
}
set_title(NULL, cfg.wintitle);
if (IsIconic(hwnd)) {
SetWindowText(hwnd,
cfg.win_name_always ? window_name :
icon_name);
}
if (strcmp(cfg.font.name, prev_cfg.font.name) != 0 ||
strcmp(cfg.line_codepage, prev_cfg.line_codepage) != 0 ||
cfg.font.isbold != prev_cfg.font.isbold ||
cfg.font.height != prev_cfg.font.height ||
cfg.font.charset != prev_cfg.font.charset ||
cfg.vtmode != prev_cfg.vtmode ||
cfg.bold_colour != prev_cfg.bold_colour ||
cfg.resize_action == RESIZE_DISABLED ||
cfg.resize_action == RESIZE_EITHER ||
(cfg.resize_action != prev_cfg.resize_action))
init_lvl = 2;
InvalidateRect(hwnd, NULL, TRUE);
reset_window(init_lvl);
net_pending_errors();
}
break;
case IDM_COPYALL:
term_copyall(term);
break;
case IDM_CLRSB:
term_clrsb(term);
break;
case IDM_RESET:
term_pwron(term);
ldisc_send(ldisc, NULL, 0, 0);
break;
case IDM_ABOUT:
showabout(hwnd);
break;
case IDM_HELP:
WinHelp(hwnd, help_path,
help_has_contents ? HELP_FINDER : HELP_CONTENTS, 0);
break;
case SC_MOUSEMENU:
/*
* We get this if the System menu has been activated
* using the mouse.
*/
show_mouseptr(1);
break;
case SC_KEYMENU:
/*
* We get this if the System menu has been activated
* using the keyboard. This might happen from within
* TranslateKey, in which case it really wants to be
* followed by a `space' character to actually _bring
* the menu up_ rather than just sitting there in
* `ready to appear' state.
*/
show_mouseptr(1); /* make sure pointer is visible */
if( lParam == 0 )
PostMessage(hwnd, WM_CHAR, ' ', 0);
break;
case IDM_FULLSCREEN:
flip_full_screen();
break;
default:
if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
}
if (wParam >= IDM_SPECIAL_MIN && wParam <= IDM_SPECIAL_MAX) {
int i = (wParam - IDM_SPECIAL_MIN) / 0x10;
int j;
/*
* Ensure we haven't been sent a bogus SYSCOMMAND
* which would cause us to reference invalid memory
* and crash. Perhaps I'm just too paranoid here.
*/
for (j = 0; j < i; j++)
if (!specials || !specials[j].name)
break;
if (j == i) {
back->special(backhandle, specials[i].code);
net_pending_errors();
}
}
}
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))-offset_width) / font_width)
#define TO_CHR_Y(y) ((((y)<0 ? (y)-font_height+1: (y))-offset_height) / font_height)
case WM_LBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_LBUTTONUP:
case WM_MBUTTONUP:
case WM_RBUTTONUP:
{
int button, press;
switch (message) {
case WM_LBUTTONDOWN:
button = MBT_LEFT;
press = 1;
break;
case WM_MBUTTONDOWN:
button = MBT_MIDDLE;
press = 1;
break;
case WM_RBUTTONDOWN:
button = MBT_RIGHT;
press = 1;
break;
case WM_LBUTTONUP:
button = MBT_LEFT;
press = 0;
break;
case WM_MBUTTONUP:
button = MBT_MIDDLE;
press = 0;
break;
case WM_RBUTTONUP:
button = MBT_RIGHT;
press = 0;
break;
default:
button = press = 0; /* shouldn't happen */
}
show_mouseptr(1);
/*
* Special case: in full-screen mode, if the left
* button is clicked in the very top left corner of the
* window, we put up the System menu instead of doing
* selection.
*/
if (is_full_screen() && press && button == MBT_LEFT &&
X_POS(lParam) == 0 && Y_POS(lParam) == 0) {
SendMessage(hwnd, WM_SYSCOMMAND, SC_MOUSEMENU, 0);
return 0;
}
if (press) {
click(button,
TO_CHR_X(X_POS(lParam)), TO_CHR_Y(Y_POS(lParam)),
wParam & MK_SHIFT, wParam & MK_CONTROL,
is_alt_pressed());
SetCapture(hwnd);
} else {
term_mouse(term, button, translate_button(button), MA_RELEASE,
TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
wParam & MK_CONTROL, is_alt_pressed());
ReleaseCapture();
}
}
return 0;
case WM_MOUSEMOVE:
show_mouseptr(1);
/*
* Add the mouse position and message time to the random
* number noise.
*/
noise_ultralight(lParam);
if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON) &&
GetCapture() == hwnd) {
Mouse_Button b;
if (wParam & MK_LBUTTON)
b = MBT_LEFT;
else if (wParam & MK_MBUTTON)
b = MBT_MIDDLE;
else
b = MBT_RIGHT;
term_mouse(term, b, translate_button(b), MA_DRAG,
TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
wParam & MK_CONTROL, is_alt_pressed());
}
return 0;
case WM_NCMOUSEMOVE:
show_mouseptr(1);
noise_ultralight(lParam);
return 0;
case WM_IGNORE_CLIP:
ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
break;
case WM_DESTROYCLIPBOARD:
if (!ignore_clip)
term_deselect(term);
ignore_clip = FALSE;
return 0;
case WM_PAINT:
{
PAINTSTRUCT p;
HideCaret(hwnd);
hdc = BeginPaint(hwnd, &p);
if (pal) {
SelectPalette(hdc, pal, TRUE);
RealizePalette(hdc);
}
term_paint(term, hdc,
(p.rcPaint.left-offset_width)/font_width,
(p.rcPaint.top-offset_height)/font_height,
(p.rcPaint.right-offset_width-1)/font_width,
(p.rcPaint.bottom-offset_height-1)/font_height,
is_alt_pressed());
if (p.fErase ||
p.rcPaint.left < offset_width ||
p.rcPaint.top < offset_height ||
p.rcPaint.right >= offset_width + font_width*term->cols ||
p.rcPaint.bottom>= offset_height + font_height*term->rows)
{
HBRUSH fillcolour, oldbrush;
HPEN edge, oldpen;
fillcolour = CreateSolidBrush (
colours[(ATTR_DEFBG>>ATTR_BGSHIFT)*2]);
oldbrush = SelectObject(hdc, fillcolour);
edge = CreatePen(PS_SOLID, 0,
colours[(ATTR_DEFBG>>ATTR_BGSHIFT)*2]);
oldpen = SelectObject(hdc, edge);
/*
* Jordan Russell reports that this apparently
* ineffectual IntersectClipRect() call masks a
* Windows NT/2K bug causing strange display
* problems when the PuTTY window is taller than
* the primary monitor. It seems harmless enough...
*/
IntersectClipRect(hdc,
p.rcPaint.left, p.rcPaint.top,
p.rcPaint.right, p.rcPaint.bottom);
ExcludeClipRect(hdc,
offset_width, offset_height,
offset_width+font_width*term->cols,
offset_height+font_height*term->rows);
Rectangle(hdc, p.rcPaint.left, p.rcPaint.top,
p.rcPaint.right, p.rcPaint.bottom);
// SelectClipRgn(hdc, NULL);
SelectObject(hdc, oldbrush);
DeleteObject(fillcolour);
SelectObject(hdc, oldpen);
DeleteObject(edge);
}
SelectObject(hdc, GetStockObject(SYSTEM_FONT));
SelectObject(hdc, GetStockObject(WHITE_PEN));
EndPaint(hwnd, &p);
ShowCaret(hwnd);
}
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;
if (WSAGETSELECTEVENT(lParam) != FD_READ)
enact_pending_netevent();
time(&last_movement);
return 0;
case WM_SETFOCUS:
term->has_focus = TRUE;
CreateCaret(hwnd, caretbm, font_width, font_height);
ShowCaret(hwnd);
flash_window(0); /* stop */
compose_state = 0;
term_out(term);
term_update(term);
break;
case WM_KILLFOCUS:
show_mouseptr(1);
term->has_focus = FALSE;
DestroyCaret();
caret_x = caret_y = -1; /* ensure caret is replaced next time */
term_out(term);
term_update(term);
break;
case WM_ENTERSIZEMOVE:
#ifdef RDB_DEBUG_PATCH
debug((27, "WM_ENTERSIZEMOVE"));
#endif
EnableSizeTip(1);
resizing = TRUE;
need_backend_resize = FALSE;
break;
case WM_EXITSIZEMOVE:
EnableSizeTip(0);
resizing = FALSE;
#ifdef RDB_DEBUG_PATCH
debug((27, "WM_EXITSIZEMOVE"));
#endif
if (need_backend_resize) {
term_size(term, cfg.height, cfg.width, cfg.savelines);
InvalidateRect(hwnd, NULL, TRUE);
}
break;
case WM_SIZING:
/*
* This does two jobs:
* 1) Keep the sizetip uptodate
* 2) Make sure the window size is _stepped_ in units of the font size.
*/
if (cfg.resize_action != RESIZE_FONT && !is_alt_pressed()) {
int width, height, w, h, ew, eh;
LPRECT r = (LPRECT) lParam;
if ( !need_backend_resize && cfg.resize_action == RESIZE_EITHER &&
(cfg.height != term->rows || cfg.width != term->cols )) {
/*
* Great! It seems that both the terminal size and the
* font size have been changed and the user is now dragging.
*
* It will now be difficult to get back to the configured
* font size!
*
* This would be easier but it seems to be too confusing.
term_size(term, cfg.height, cfg.width, cfg.savelines);
reset_window(2);
*/
cfg.height=term->rows; cfg.width=term->cols;
InvalidateRect(hwnd, NULL, TRUE);
need_backend_resize = TRUE;
}
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;
} else {
int width, height, w, h, rv = 0;
int ex_width = extra_width + (cfg.window_border - offset_width) * 2;
int ex_height = extra_height + (cfg.window_border - offset_height) * 2;
LPRECT r = (LPRECT) lParam;
width = r->right - r->left - ex_width;
height = r->bottom - r->top - ex_height;
w = (width + term->cols/2)/term->cols;
h = (height + term->rows/2)/term->rows;
if ( r->right != r->left + w*term->cols + ex_width)
rv = 1;
if (wParam == WMSZ_LEFT ||
wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_TOPLEFT)
r->left = r->right - w*term->cols - ex_width;
else
r->right = r->left + w*term->cols + ex_width;
if (r->bottom != r->top + h*term->rows + ex_height)
rv = 1;
if (wParam == WMSZ_TOP ||
wParam == WMSZ_TOPRIGHT || wParam == WMSZ_TOPLEFT)
r->top = r->bottom - h*term->rows - ex_height;
else
r->bottom = r->top + h*term->rows + ex_height;
return rv;
}
/* break; (never reached) */
case WM_FULLSCR_ON_MAX:
fullscr_on_max = TRUE;
break;
case WM_MOVE:
sys_cursor_update();
break;
case WM_SIZE:
#ifdef RDB_DEBUG_PATCH
debug((27, "WM_SIZE %s (%d,%d)",
(wParam == SIZE_MINIMIZED) ? "SIZE_MINIMIZED":
(wParam == SIZE_MAXIMIZED) ? "SIZE_MAXIMIZED":
(wParam == SIZE_RESTORED && resizing) ? "to":
(wParam == SIZE_RESTORED) ? "SIZE_RESTORED":
"...",
LOWORD(lParam), HIWORD(lParam)));
#endif
if (wParam == SIZE_MINIMIZED)
SetWindowText(hwnd,
cfg.win_name_always ? window_name : icon_name);
if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
SetWindowText(hwnd, window_name);
if (wParam == SIZE_RESTORED)
clear_full_screen();
if (wParam == SIZE_MAXIMIZED && fullscr_on_max) {
fullscr_on_max = FALSE;
make_full_screen();
}
if (cfg.resize_action == RESIZE_DISABLED) {
/* A resize, well it better be a minimize. */
reset_window(-1);
} else {
int width, height, w, h;
width = LOWORD(lParam);
height = HIWORD(lParam);
if (!resizing) {
if (wParam == SIZE_MAXIMIZED && !was_zoomed) {
was_zoomed = 1;
prev_rows = term->rows;
prev_cols = term->cols;
if (cfg.resize_action == RESIZE_TERM) {
w = width / font_width;
if (w < 1) w = 1;
h = height / font_height;
if (h < 1) h = 1;
term_size(term, h, w, cfg.savelines);
}
reset_window(0);
} else if (wParam == SIZE_RESTORED && was_zoomed) {
was_zoomed = 0;
if (cfg.resize_action == RESIZE_TERM)
term_size(term, prev_rows, prev_cols, cfg.savelines);
if (cfg.resize_action != RESIZE_FONT)
reset_window(2);
else
reset_window(0);
}
/* This is an unexpected resize, these will normally happen
* if the window is too large. Probably either the user
* selected a huge font or the screen size has changed.
*
* This is also called with minimize.
*/
else reset_window(-1);
}
/*
* Don't call back->size in mid-resize. (To prevent
* massive numbers of resize events getting sent
* down the connection during an NT opaque drag.)
*/
if (resizing) {
if (cfg.resize_action != RESIZE_FONT && !is_alt_pressed()) {
need_backend_resize = TRUE;
w = (width-cfg.window_border*2) / font_width;
if (w < 1) w = 1;
h = (height-cfg.window_border*2) / font_height;
if (h < 1) h = 1;
cfg.height = h;
cfg.width = w;
} else
reset_window(0);
}
}
sys_cursor_update();
return 0;
case WM_VSCROLL:
switch (LOWORD(wParam)) {
case SB_BOTTOM:
term_scroll(term, -1, 0);
break;
case SB_TOP:
term_scroll(term, +1, 0);
break;
case SB_LINEDOWN:
term_scroll(term, 0, +1);
break;
case SB_LINEUP:
term_scroll(term, 0, -1);
break;
case SB_PAGEDOWN:
term_scroll(term, 0, +term->rows / 2);
break;
case SB_PAGEUP:
term_scroll(term, 0, -term->rows / 2);
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
term_scroll(term, 1, HIWORD(wParam));
break;
}
break;
case WM_PALETTECHANGED:
if ((HWND) wParam != hwnd && pal != NULL) {
HDC hdc = get_ctx(NULL);
if (hdc) {
if (RealizePalette(hdc) > 0)
UpdateColors(hdc);
free_ctx(hdc);
}
}
break;
case WM_QUERYNEWPALETTE:
if (pal != NULL) {
HDC hdc = get_ctx(NULL);
if (hdc) {
if (RealizePalette(hdc) > 0)
UpdateColors(hdc);
free_ctx(hdc);
return TRUE;
}
}
return FALSE;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
/*
* Add the scan code and keypress timing to the random
* number noise.
*/
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;
if (wParam == VK_PROCESSKEY) {
MSG m;
m.hwnd = hwnd;
m.message = WM_KEYDOWN;
m.wParam = wParam;
m.lParam = lParam & 0xdfff;
TranslateMessage(&m);
} else {
len = TranslateKey(message, wParam, lParam, buf);
if (len == -1)
return DefWindowProc(hwnd, message, wParam, lParam);
if (len != 0) {
/*
* Interrupt an ongoing paste. I'm not sure
* this is sensible, but for the moment it's
* preferable to having to faff about buffering
* things.
*/
term_nopaste(term);
/*
* We need not bother about stdin backlogs
* here, because in GUI PuTTY we can't do
* anything about it anyway; there's no means
* of asking Windows to hold off on KEYDOWN
* messages. We _have_ to buffer everything
* we're sent.
*/
term_seen_key_event(term);
ldisc_send(ldisc, buf, len, 1);
show_mouseptr(0);
}
}
}
net_pending_errors();
return 0;
case WM_INPUTLANGCHANGE:
/* wParam == Font number */
/* lParam == Locale */
set_input_locale((HKL)lParam);
sys_cursor_update();
break;
case WM_IME_NOTIFY:
if(wParam == IMN_SETOPENSTATUS) {
HIMC hImc = ImmGetContext(hwnd);
ImmSetCompositionFont(hImc, &lfont);
ImmReleaseContext(hwnd, hImc);
return 0;
}
break;
case WM_IME_COMPOSITION:
{
HIMC hIMC;
int n;
char *buff;
if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ||
osVersion.dwPlatformId == VER_PLATFORM_WIN32s) break; /* no Unicode */
if ((lParam & GCS_RESULTSTR) == 0) /* Composition unfinished. */
break; /* fall back to DefWindowProc */
hIMC = ImmGetContext(hwnd);
n = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
if (n > 0) {
int i;
buff = snewn(n, char);
ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, buff, n);
/*
* Jaeyoun Chung reports that Korean character
* input doesn't work correctly if we do a single
* luni_send() covering the whole of buff. So
* instead we luni_send the characters one by one.
*/
term_seen_key_event(term);
for (i = 0; i < n; i += 2) {
luni_send(ldisc, (unsigned short *)(buff+i), 1, 1);
}
free(buff);
}
ImmReleaseContext(hwnd, hIMC);
return 1;
}
case WM_IME_CHAR:
if (wParam & 0xFF00) {
unsigned char buf[2];
buf[1] = wParam;
buf[0] = wParam >> 8;
term_seen_key_event(term);
lpage_send(ldisc, kbd_codepage, buf, 2, 1);
} else {
char c = (unsigned char) wParam;
term_seen_key_event(term);
lpage_send(ldisc, kbd_codepage, &c, 1, 1);
}
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 = (unsigned char)wParam;
term_seen_key_event(term);
lpage_send(ldisc, CP_ACP, &c, 1, 1);
}
return 0;
case WM_SETCURSOR:
if (send_raw_mouse && LOWORD(lParam) == HTCLIENT) {
SetCursor(LoadCursor(NULL, IDC_ARROW));
return TRUE;
}
break;
case WM_AGENT_CALLBACK:
{
struct agent_callback *c = (struct agent_callback *)lParam;
c->callback(c->callback_ctx, c->data, c->len);
sfree(c);
}
return 0;
default:
if (message == wm_mousewheel || message == WM_MOUSEWHEEL) {
int shift_pressed=0, control_pressed=0;
if (message == WM_MOUSEWHEEL) {
wheel_accumulator += (short)HIWORD(wParam);
shift_pressed=LOWORD(wParam) & MK_SHIFT;
control_pressed=LOWORD(wParam) & MK_CONTROL;
} else {
BYTE keys[256];
wheel_accumulator += (int)wParam;
if (GetKeyboardState(keys)!=0) {
shift_pressed=keys[VK_SHIFT]&0x80;
control_pressed=keys[VK_CONTROL]&0x80;
}
}
/* process events when the threshold is reached */
while (abs(wheel_accumulator) >= WHEEL_DELTA) {
int b;
/* reduce amount for next time */
if (wheel_accumulator > 0) {
b = MBT_WHEEL_UP;
wheel_accumulator -= WHEEL_DELTA;
} else if (wheel_accumulator < 0) {
b = MBT_WHEEL_DOWN;
wheel_accumulator += WHEEL_DELTA;
} else
break;
if (send_raw_mouse &&
!(cfg.mouse_override && shift_pressed)) {
/* send a mouse-down followed by a mouse up */
term_mouse(term, b, translate_button(b),
MA_CLICK,
TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)), shift_pressed,
control_pressed, is_alt_pressed());
term_mouse(term, b, translate_button(b),
MA_RELEASE, TO_CHR_X(X_POS(lParam)),
TO_CHR_Y(Y_POS(lParam)), shift_pressed,
control_pressed, is_alt_pressed());
} else {
/* trigger a scroll */
term_scroll(term, 0,
b == MBT_WHEEL_UP ?
-term->rows / 2 : term->rows / 2);
}
}
return 0;
}
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
/*
* Move the system caret. (We maintain one, even though it's
* invisible, for the benefit of blind people: apparently some
* helper software tracks the system caret, so we should arrange to
* have one.)
*/
void sys_cursor(void *frontend, int x, int y)
{
int cx, cy;
if (!term->has_focus) return;
/*
* Avoid gratuitously re-updating the cursor position and IMM
* window if there's no actual change required.
*/
cx = x * font_width + offset_width;
cy = y * font_height + offset_height;
if (cx == caret_x && cy == caret_y)
return;
caret_x = cx;
caret_y = cy;
sys_cursor_update();
}
static void sys_cursor_update(void)
{
COMPOSITIONFORM cf;
HIMC hIMC;
if (!term->has_focus) return;
if (caret_x < 0 || caret_y < 0)
return;
SetCaretPos(caret_x, caret_y);
/* IMM calls on Win98 and beyond only */
if(osVersion.dwPlatformId == VER_PLATFORM_WIN32s) return; /* 3.11 */
if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
osVersion.dwMinorVersion == 0) return; /* 95 */
/* we should have the IMM functions */
hIMC = ImmGetContext(hwnd);
cf.dwStyle = CFS_POINT;
cf.ptCurrentPos.x = caret_x;
cf.ptCurrentPos.y = caret_y;
ImmSetCompositionWindow(hIMC, &cf);
ImmReleaseContext(hwnd, hIMC);
}
/*
* 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)
{
COLORREF fg, bg, t;
int nfg, nbg, nfont;
HDC hdc = ctx;
RECT line_box;
int force_manual_underline = 0;
int fnt_width = font_width * (1 + (lattr != LATTR_NORM));
int char_width = fnt_width;
int text_adjust = 0;
static int *IpDx = 0, IpDxLEN = 0;
if (attr & ATTR_WIDE)
char_width *= 2;
if (len > IpDxLEN || IpDx[0] != char_width) {
int i;
if (len > IpDxLEN) {
sfree(IpDx);
IpDx = snewn(len + 16, int);
IpDxLEN = (len + 16);
}
for (i = 0; i < IpDxLEN; i++)
IpDx[i] = char_width;
}
/* Only want the left half of double width lines */
if (lattr != LATTR_NORM && x*2 >= term->cols)
return;
x *= fnt_width;
y *= font_height;
x += offset_width;
y += offset_height;
if ((attr & TATTR_ACTCURS) && (cfg.cursor_type == 0 || term->big_cursor)) {
attr &= ATTR_CUR_AND | (bold_mode != BOLD_COLOURS ? ATTR_BOLD : 0);
attr ^= ATTR_CUR_XOR;
}
nfont = 0;
if (cfg.vtmode == VT_POORMAN && lattr != LATTR_NORM) {
/* Assume a poorman font is borken in other ways too. */
lattr = LATTR_WIDE;
} else
switch (lattr) {
case LATTR_NORM:
break;
case LATTR_WIDE:
nfont |= FONT_WIDE;
break;
default:
nfont |= FONT_WIDE + FONT_HIGH;
break;
}
if (attr & ATTR_NARROW)
nfont |= FONT_NARROW;
/* Special hack for the VT100 linedraw glyphs. */
if ((attr & CSET_MASK) == 0x2300) {
if (text[0] >= (char) 0xBA && text[0] <= (char) 0xBD) {
switch ((unsigned char) (text[0])) {
case 0xBA:
text_adjust = -2 * font_height / 5;
break;
case 0xBB:
text_adjust = -1 * font_height / 5;
break;
case 0xBC:
text_adjust = font_height / 5;
break;
case 0xBD:
text_adjust = 2 * font_height / 5;
break;
}
if (lattr == LATTR_TOP || lattr == LATTR_BOT)
text_adjust *= 2;
attr &= ~CSET_MASK;
text[0] = (char) (ucsdata.unitab_xterm['q'] & CHAR_MASK);
attr |= (ucsdata.unitab_xterm['q'] & CSET_MASK);
if (attr & ATTR_UNDER) {
attr &= ~ATTR_UNDER;
force_manual_underline = 1;
}
}
}
/* Anything left as an original character set is unprintable. */
if (DIRECT_CHAR(attr)) {
attr &= ~CSET_MASK;
attr |= 0xFF00;
memset(text, 0xFD, len);
}
/* OEM CP */
if ((attr & CSET_MASK) == ATTR_OEMCP)
nfont |= FONT_OEM;
nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
nfg = 2 * (nfg & 0xF) + (nfg & 0x10 ? 1 : 0);
nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
nbg = 2 * (nbg & 0xF) + (nbg & 0x10 ? 1 : 0);
if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
nfont |= FONT_BOLD;
if (und_mode == UND_FONT && (attr & ATTR_UNDER))
nfont |= FONT_UNDERLINE;
another_font(nfont);
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);
}
another_font(nfont);
if (!fonts[nfont])
nfont = FONT_NORMAL;
if (attr & ATTR_REVERSE) {
t = nfg;
nfg = nbg;
nbg = t;
}
if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
nfg |= 1;
if (bold_mode == BOLD_COLOURS && (attr & ATTR_BLINK))
nbg |= 1;
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 + char_width * len;
line_box.bottom = y + font_height;
/* Only want the left half of double width lines */
if (line_box.right > font_width*term->cols+offset_width)
line_box.right = font_width*term->cols+offset_width;
/* We're using a private area for direct to font. (512 chars.) */
if (ucsdata.dbcs_screenfont && (attr & CSET_MASK) == ATTR_ACP) {
/* Ho Hum, dbcs fonts are a PITA! */
/* To display on W9x I have to convert to UCS */
static wchar_t *uni_buf = 0;
static int uni_len = 0;
int nlen, mptr;
if (len > uni_len) {
sfree(uni_buf);
uni_len = len;
uni_buf = snewn(uni_len, wchar_t);
}
for(nlen = mptr = 0; mptr<len; mptr++) {
uni_buf[nlen] = 0xFFFD;
if (IsDBCSLeadByteEx(ucsdata.font_codepage, (BYTE) text[mptr])) {
IpDx[nlen] += char_width;
MultiByteToWideChar(ucsdata.font_codepage, MB_USEGLYPHCHARS,
text+mptr, 2, uni_buf+nlen, 1);
mptr++;
}
else
{
MultiByteToWideChar(ucsdata.font_codepage, MB_USEGLYPHCHARS,
text+mptr, 1, uni_buf+nlen, 1);
}
nlen++;
}
if (nlen <= 0)
return; /* Eeek! */
ExtTextOutW(hdc, x,
y - font_height * (lattr == LATTR_BOT) + text_adjust,
ETO_CLIPPED | ETO_OPAQUE, &line_box, uni_buf, nlen, IpDx);
if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
SetBkMode(hdc, TRANSPARENT);
ExtTextOutW(hdc, x - 1,
y - font_height * (lattr ==
LATTR_BOT) + text_adjust,
ETO_CLIPPED, &line_box, uni_buf, nlen, IpDx);
}
IpDx[0] = -1;
} else if (DIRECT_FONT(attr)) {
ExtTextOut(hdc, x,
y - font_height * (lattr == LATTR_BOT) + text_adjust,
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.
*
* Or ... I could do a test print with "W", and use +1 or -1 for this
* shift depending on if the leftmost column is blank...
*/
ExtTextOut(hdc, x - 1,
y - font_height * (lattr ==
LATTR_BOT) + text_adjust,
ETO_CLIPPED, &line_box, text, len, IpDx);
}
} else {
/* And 'normal' unicode characters */
static WCHAR *wbuf = NULL;
static int wlen = 0;
int i;
if (wlen < len) {
sfree(wbuf);
wlen = len;
wbuf = snewn(wlen, WCHAR);
}
for (i = 0; i < len; i++)
wbuf[i] = (WCHAR) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
ExtTextOutW(hdc, x,
y - font_height * (lattr == LATTR_BOT) + text_adjust,
ETO_CLIPPED | ETO_OPAQUE, &line_box, wbuf, len, IpDx);
/* And the shadow bold hack. */
if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
SetBkMode(hdc, TRANSPARENT);
ExtTextOutW(hdc, x - 1,
y - font_height * (lattr ==
LATTR_BOT) + text_adjust,
ETO_CLIPPED, &line_box, wbuf, len, IpDx);
}
}
if (lattr != LATTR_TOP && (force_manual_underline ||
(und_mode == UND_LINE
&& (attr & ATTR_UNDER)))) {
HPEN oldpen;
int dec = descent;
if (lattr == LATTR_BOT)
dec = dec * 2 - font_height;
oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, fg));
MoveToEx(hdc, x, y + dec, NULL);
LineTo(hdc, x + len * char_width, y + dec);
oldpen = SelectObject(hdc, oldpen);
DeleteObject(oldpen);
}
}
void do_cursor(Context ctx, int x, int y, char *text, int len,
unsigned long attr, int lattr)
{
int fnt_width;
int char_width;
HDC hdc = ctx;
int ctype = cfg.cursor_type;
if ((attr & TATTR_ACTCURS) && (ctype == 0 || term->big_cursor)) {
if (((attr & CSET_MASK) | (unsigned char) *text) != UCSWIDE) {
do_text(ctx, x, y, text, len, attr, lattr);
return;
}
ctype = 2;
attr |= TATTR_RIGHTCURS;
}
fnt_width = char_width = font_width * (1 + (lattr != LATTR_NORM));
if (attr & ATTR_WIDE)
char_width *= 2;
x *= fnt_width;
y *= font_height;
x += offset_width;
y += offset_height;
if ((attr & TATTR_PASCURS) && (ctype == 0 || term->big_cursor)) {
POINT pts[5];
HPEN oldpen;
pts[0].x = pts[1].x = pts[4].x = x;
pts[2].x = pts[3].x = x + char_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);
} else if ((attr & (TATTR_ACTCURS | TATTR_PASCURS)) && ctype != 0) {
int startx, starty, dx, dy, length, i;
if (ctype == 1) {
startx = x;
starty = y + descent;
dx = 1;
dy = 0;
length = char_width;
} else {
int xadjust = 0;
if (attr & TATTR_RIGHTCURS)
xadjust = char_width - 1;
startx = x + xadjust;
starty = y;
dx = 0;
dy = 1;
length = font_height;
}
if (attr & TATTR_ACTCURS) {
HPEN oldpen;
oldpen =
SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[23]));
MoveToEx(hdc, startx, starty, NULL);
LineTo(hdc, startx + dx * length, starty + dy * length);
oldpen = SelectObject(hdc, oldpen);
DeleteObject(oldpen);
} else {
for (i = 0; i < length; i++) {
if (i % 2 == 0) {
SetPixel(hdc, startx, starty, colours[23]);
}
startx += dx;
starty += dy;
}
}
}
}
/* This function gets the actual width of a character in the normal font.
*/
int char_width(Context ctx, int uc) {
HDC hdc = ctx;
int ibuf = 0;
/* If the font max is the same as the font ave width then this
* function is a no-op.
*/
if (!font_dualwidth) return 1;
switch (uc & CSET_MASK) {
case ATTR_ASCII:
uc = ucsdata.unitab_line[uc & 0xFF];
break;
case ATTR_LINEDRW:
uc = ucsdata.unitab_xterm[uc & 0xFF];
break;
case ATTR_SCOACS:
uc = ucsdata.unitab_scoacs[uc & 0xFF];
break;
}
if (DIRECT_FONT(uc)) {
if (ucsdata.dbcs_screenfont) return 1;
/* Speedup, I know of no font where ascii is the wrong width */
if ((uc&CHAR_MASK) >= ' ' && (uc&CHAR_MASK)<= '~')
return 1;
if ( (uc & CSET_MASK) == ATTR_ACP ) {
SelectObject(hdc, fonts[FONT_NORMAL]);
} else if ( (uc & CSET_MASK) == ATTR_OEMCP ) {
another_font(FONT_OEM);
if (!fonts[FONT_OEM]) return 0;
SelectObject(hdc, fonts[FONT_OEM]);
} else
return 0;
if ( GetCharWidth32(hdc, uc&CHAR_MASK, uc&CHAR_MASK, &ibuf) != 1 &&
GetCharWidth(hdc, uc&CHAR_MASK, uc&CHAR_MASK, &ibuf) != 1)
return 0;
} else {
/* Speedup, I know of no font where ascii is the wrong width */
if (uc >= ' ' && uc <= '~') return 1;
SelectObject(hdc, fonts[FONT_NORMAL]);
if ( GetCharWidth32W(hdc, uc, uc, &ibuf) == 1 )
/* Okay that one worked */ ;
else if ( GetCharWidthW(hdc, uc, uc, &ibuf) == 1 )
/* This should work on 9x too, but it's "less accurate" */ ;
else
return 0;
}
ibuf += font_width / 2 -1;
ibuf /= font_width;
return ibuf;
}
/*
* Translate a WM_(SYS)?KEY(UP|DOWN) message into a string of ASCII
* codes. Returns number of bytes used or zero to drop the message
* or -1 to forward the message to windows.
*/
static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
unsigned char *output)
{
BYTE keystate[256];
int scan, left_alt = 0, key_down, shift_state;
int r, i, code;
unsigned char *p = output;
static int alt_sum = 0;
HKL kbd_layout = GetKeyboardLayout(0);
static WORD keys[3];
static int compose_char = 0;
static WPARAM compose_key = 0;
r = GetKeyboardState(keystate);
if (!r)
memset(keystate, 0, sizeof(keystate));
else {
#if 0
#define SHOW_TOASCII_RESULT
{ /* Tell us all about key events */
static BYTE oldstate[256];
static int first = 1;
static int scan;
int ch;
if (first)
memcpy(oldstate, keystate, sizeof(oldstate));
first = 0;
if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT) {
debug(("+"));
} else if ((HIWORD(lParam) & KF_UP)
&& scan == (HIWORD(lParam) & 0xFF)) {
debug((". U"));
} else {
debug((".\n"));
if (wParam >= VK_F1 && wParam <= VK_F20)
debug(("K_F%d", wParam + 1 - VK_F1));
else
switch (wParam) {
case VK_SHIFT:
debug(("SHIFT"));
break;
case VK_CONTROL:
debug(("CTRL"));
break;
case VK_MENU:
debug(("ALT"));
break;
default:
debug(("VK_%02x", wParam));
}
if (message == WM_SYSKEYDOWN || message == WM_SYSKEYUP)
debug(("*"));
debug((", S%02x", scan = (HIWORD(lParam) & 0xFF)));
ch = MapVirtualKeyEx(wParam, 2, kbd_layout);
if (ch >= ' ' && ch <= '~')
debug((", '%c'", ch));
else if (ch)
debug((", $%02x", ch));
if (keys[0])
debug((", KB0=%02x", keys[0]));
if (keys[1])
debug((", KB1=%02x", keys[1]));
if (keys[2])
debug((", KB2=%02x", keys[2]));
if ((keystate[VK_SHIFT] & 0x80) != 0)
debug((", S"));
if ((keystate[VK_CONTROL] & 0x80) != 0)
debug((", C"));
if ((HIWORD(lParam) & KF_EXTENDED))
debug((", E"));
if ((HIWORD(lParam) & KF_UP))
debug((", U"));
}
if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT);
else if ((HIWORD(lParam) & KF_UP))
oldstate[wParam & 0xFF] ^= 0x80;
else
oldstate[wParam & 0xFF] ^= 0x81;
for (ch = 0; ch < 256; ch++)
if (oldstate[ch] != keystate[ch])
debug((", M%02x=%02x", ch, keystate[ch]));
memcpy(oldstate, keystate, sizeof(oldstate));
}
#endif
if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED)) {
keystate[VK_RMENU] = keystate[VK_MENU];
}
/* Nastyness with NUMLock - Shift-NUMLock is left alone though */
if ((cfg.funky_type == 3 ||
(cfg.funky_type <= 1 && term->app_keypad_keys &&
!cfg.no_applic_k))
&& wParam == VK_NUMLOCK && !(keystate[VK_SHIFT] & 0x80)) {
wParam = VK_EXECUTE;
/* UnToggle NUMLock */
if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0)
keystate[VK_NUMLOCK] ^= 1;
}
/* And write back the 'adjusted' state */
SetKeyboardState(keystate);
}
/* Disable Auto repeat if required */
if (term->repeat_off &&
(HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT)
return 0;
if ((HIWORD(lParam) & KF_ALTDOWN) && (keystate[VK_RMENU] & 0x80) == 0)
left_alt = 1;
key_down = ((HIWORD(lParam) & KF_UP) == 0);
/* Make sure Ctrl-ALT is not the same as AltGr for ToAscii unless told. */
if (left_alt && (keystate[VK_CONTROL] & 0x80)) {
if (cfg.ctrlaltkeys)
keystate[VK_MENU] = 0;
else {
keystate[VK_RMENU] = 0x80;
left_alt = 0;
}
}
scan = (HIWORD(lParam) & (KF_UP | KF_EXTENDED | 0xFF));
shift_state = ((keystate[VK_SHIFT] & 0x80) != 0)
+ ((keystate[VK_CONTROL] & 0x80) != 0) * 2;
/* Note if AltGr was pressed and if it was used as a compose key */
if (!compose_state) {
compose_key = 0x100;
if (cfg.compose_key) {
if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED))
compose_key = wParam;
}
if (wParam == VK_APPS)
compose_key = wParam;
}
if (wParam == compose_key) {
if (compose_state == 0
&& (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0) compose_state =
1;
else if (compose_state == 1 && (HIWORD(lParam) & KF_UP))
compose_state = 2;
else
compose_state = 0;
} else if (compose_state == 1 && wParam != VK_CONTROL)
compose_state = 0;
if (compose_state > 1 && left_alt)
compose_state = 0;
/* Sanitize the number pad if not using a PC NumPad */
if (left_alt || (term->app_keypad_keys && !cfg.no_applic_k
&& cfg.funky_type != 2)
|| cfg.funky_type == 3 || cfg.nethack_keypad || compose_state) {
if ((HIWORD(lParam) & KF_EXTENDED) == 0) {
int nParam = 0;
switch (wParam) {
case VK_INSERT:
nParam = VK_NUMPAD0;
break;
case VK_END:
nParam = VK_NUMPAD1;
break;
case VK_DOWN:
nParam = VK_NUMPAD2;
break;
case VK_NEXT:
nParam = VK_NUMPAD3;
break;
case VK_LEFT:
nParam = VK_NUMPAD4;
break;
case VK_CLEAR:
nParam = VK_NUMPAD5;
break;
case VK_RIGHT:
nParam = VK_NUMPAD6;
break;
case VK_HOME:
nParam = VK_NUMPAD7;
break;
case VK_UP:
nParam = VK_NUMPAD8;
break;
case VK_PRIOR:
nParam = VK_NUMPAD9;
break;
case VK_DELETE:
nParam = VK_DECIMAL;
break;
}
if (nParam) {
if (keystate[VK_NUMLOCK] & 1)
shift_state |= 1;
wParam = nParam;
}
}
}
/* If a key is pressed and AltGr is not active */
if (key_down && (keystate[VK_RMENU] & 0x80) == 0 && !compose_state) {
/* Okay, prepare for most alts then ... */
if (left_alt)
*p++ = '\033';
/* Lets see if it's a pattern we know all about ... */
if (wParam == VK_PRIOR && shift_state == 1) {
SendMessage(hwnd, WM_VSCROLL, SB_PAGEUP, 0);
return 0;
}
if (wParam == VK_PRIOR && shift_state == 2) {
SendMessage(hwnd, WM_VSCROLL, SB_LINEUP, 0);
return 0;
}
if (wParam == VK_NEXT && shift_state == 1) {
SendMessage(hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
return 0;
}
if (wParam == VK_NEXT && shift_state == 2) {
SendMessage(hwnd, WM_VSCROLL, SB_LINEDOWN, 0);
return 0;
}
if (wParam == VK_INSERT && shift_state == 1) {
term_do_paste(term);
return 0;
}
if (left_alt && wParam == VK_F4 && cfg.alt_f4) {
return -1;
}
if (left_alt && wParam == VK_SPACE && cfg.alt_space) {
SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
return -1;
}
if (left_alt && wParam == VK_RETURN && cfg.fullscreenonaltenter &&
(cfg.resize_action != RESIZE_DISABLED)) {
if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) != KF_REPEAT)
flip_full_screen();
return -1;
}
/* Control-Numlock for app-keypad mode switch */
if (wParam == VK_PAUSE && shift_state == 2) {
term->app_keypad_keys ^= 1;
return 0;
}
/* Nethack keypad */
if (cfg.nethack_keypad && !left_alt) {
switch (wParam) {
case VK_NUMPAD1:
*p++ = shift_state ? 'B' : 'b';
return p - output;
case VK_NUMPAD2:
*p++ = shift_state ? 'J' : 'j';
return p - output;
case VK_NUMPAD3:
*p++ = shift_state ? 'N' : 'n';
return p - output;
case VK_NUMPAD4:
*p++ = shift_state ? 'H' : 'h';
return p - output;
case VK_NUMPAD5:
*p++ = shift_state ? '.' : '.';
return p - output;
case VK_NUMPAD6:
*p++ = shift_state ? 'L' : 'l';
return p - output;
case VK_NUMPAD7:
*p++ = shift_state ? 'Y' : 'y';
return p - output;
case VK_NUMPAD8:
*p++ = shift_state ? 'K' : 'k';
return p - output;
case VK_NUMPAD9:
*p++ = shift_state ? 'U' : 'u';
return p - output;
}
}
/* Application Keypad */
if (!left_alt) {
int xkey = 0;
if (cfg.funky_type == 3 ||
(cfg.funky_type <= 1 &&
term->app_keypad_keys && !cfg.no_applic_k)) switch (wParam) {
case VK_EXECUTE:
xkey = 'P';
break;
case VK_DIVIDE:
xkey = 'Q';
break;
case VK_MULTIPLY:
xkey = 'R';
break;
case VK_SUBTRACT:
xkey = 'S';
break;
}
if (term->app_keypad_keys && !cfg.no_applic_k)
switch (wParam) {
case VK_NUMPAD0:
xkey = 'p';
break;
case VK_NUMPAD1:
xkey = 'q';
break;
case VK_NUMPAD2:
xkey = 'r';
break;
case VK_NUMPAD3:
xkey = 's';
break;
case VK_NUMPAD4:
xkey = 't';
break;
case VK_NUMPAD5:
xkey = 'u';
break;
case VK_NUMPAD6:
xkey = 'v';
break;
case VK_NUMPAD7:
xkey = 'w';
break;
case VK_NUMPAD8:
xkey = 'x';
break;
case VK_NUMPAD9:
xkey = 'y';
break;
case VK_DECIMAL:
xkey = 'n';
break;
case VK_ADD:
if (cfg.funky_type == 2) {
if (shift_state)
xkey = 'l';
else
xkey = 'k';
} else if (shift_state)
xkey = 'm';
else
xkey = 'l';
break;
case VK_DIVIDE:
if (cfg.funky_type == 2)
xkey = 'o';
break;
case VK_MULTIPLY:
if (cfg.funky_type == 2)
xkey = 'j';
break;
case VK_SUBTRACT:
if (cfg.funky_type == 2)
xkey = 'm';
break;
case VK_RETURN:
if (HIWORD(lParam) & KF_EXTENDED)
xkey = 'M';
break;
}
if (xkey) {
if (term->vt52_mode) {
if (xkey >= 'P' && xkey <= 'S')
p += sprintf((char *) p, "\x1B%c", xkey);
else
p += sprintf((char *) p, "\x1B?%c", xkey);
} else
p += sprintf((char *) p, "\x1BO%c", xkey);
return p - output;
}
}
if (wParam == VK_BACK && shift_state == 0) { /* Backspace */
*p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
*p++ = 0;
return -2;
}
if (wParam == VK_BACK && shift_state == 1) { /* Shift Backspace */
/* We do the opposite of what is configured */
*p++ = (cfg.bksp_is_delete ? 0x08 : 0x7F);
*p++ = 0;
return -2;
}
if (wParam == VK_TAB && shift_state == 1) { /* Shift tab */
*p++ = 0x1B;
*p++ = '[';
*p++ = 'Z';
return p - output;
}
if (wParam == VK_SPACE && shift_state == 2) { /* Ctrl-Space */
*p++ = 0;
return p - output;
}
if (wParam == VK_SPACE && shift_state == 3) { /* Ctrl-Shift-Space */
*p++ = 160;
return p - output;
}
if (wParam == VK_CANCEL && shift_state == 2) { /* Ctrl-Break */
*p++ = 3;
*p++ = 0;
return -2;
}
if (wParam == VK_PAUSE) { /* Break/Pause */
*p++ = 26;
*p++ = 0;
return -2;
}
/* Control-2 to Control-8 are special */
if (shift_state == 2 && wParam >= '2' && wParam <= '8') {
*p++ = "\000\033\034\035\036\037\177"[wParam - '2'];
return p - output;
}
if (shift_state == 2 && (wParam == 0xBD || wParam == 0xBF)) {
*p++ = 0x1F;
return p - output;
}
if (shift_state == 2 && wParam == 0xDF) {
*p++ = 0x1C;
return p - output;
}
if (shift_state == 3 && wParam == 0xDE) {
*p++ = 0x1E; /* Ctrl-~ == Ctrl-^ in xterm at least */
return p - output;
}
if (shift_state == 0 && wParam == VK_RETURN && term->cr_lf_return) {
*p++ = '\r';
*p++ = '\n';
return p - output;
}
/*
* Next, 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_F13:
code = 25;
break;
case VK_F14:
code = 26;
break;
case VK_F15:
code = 28;
break;
case VK_F16:
code = 29;
break;
case VK_F17:
code = 31;
break;
case VK_F18:
code = 32;
break;
case VK_F19:
code = 33;
break;
case VK_F20:
code = 34;
break;
}
if ((shift_state&2) == 0) switch (wParam) {
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;
}
/* Reorder edit keys to physical order */
if (cfg.funky_type == 3 && code <= 6)
code = "\0\2\1\4\5\3\6"[code];
if (term->vt52_mode && code > 0 && code <= 6) {
p += sprintf((char *) p, "\x1B%c", " HLMEIG"[code]);
return p - output;
}
if (cfg.funky_type == 5 && /* SCO function keys */
code >= 11 && code <= 34) {
char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
int index = 0;
switch (wParam) {
case VK_F1: index = 0; break;
case VK_F2: index = 1; break;
case VK_F3: index = 2; break;
case VK_F4: index = 3; break;
case VK_F5: index = 4; break;
case VK_F6: index = 5; break;
case VK_F7: index = 6; break;
case VK_F8: index = 7; break;
case VK_F9: index = 8; break;
case VK_F10: index = 9; break;
case VK_F11: index = 10; break;
case VK_F12: index = 11; break;
}
if (keystate[VK_SHIFT] & 0x80) index += 12;
if (keystate[VK_CONTROL] & 0x80) index += 24;
p += sprintf((char *) p, "\x1B[%c", codes[index]);
return p - output;
}
if (cfg.funky_type == 5 && /* SCO small keypad */
code >= 1 && code <= 6) {
char codes[] = "HL.FIG";
if (code == 3) {
*p++ = '\x7F';
} else {
p += sprintf((char *) p, "\x1B[%c", codes[code-1]);
}
return p - output;
}
if ((term->vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
int offt = 0;
if (code > 15)
offt++;
if (code > 21)
offt++;
if (term->vt52_mode)
p += sprintf((char *) p, "\x1B%c", code + 'P' - 11 - offt);
else
p +=
sprintf((char *) p, "\x1BO%c", code + 'P' - 11 - offt);
return p - output;
}
if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
p += sprintf((char *) p, "\x1B[[%c", code + 'A' - 11);
return p - output;
}
if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
if (term->vt52_mode)
p += sprintf((char *) p, "\x1B%c", code + 'P' - 11);
else
p += sprintf((char *) p, "\x1BO%c", code + 'P' - 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...).
*/
{
char xkey = 0;
switch (wParam) {
case VK_UP:
xkey = 'A';
break;
case VK_DOWN:
xkey = 'B';
break;
case VK_RIGHT:
xkey = 'C';
break;
case VK_LEFT:
xkey = 'D';
break;
case VK_CLEAR:
xkey = 'G';
break;
}
if (xkey) {
if (term->vt52_mode)
p += sprintf((char *) p, "\x1B%c", xkey);
else {
int app_flg = (term->app_cursor_keys && !cfg.no_applic_c);
#if 0
/*
* RDB: VT100 & VT102 manuals both state the
* app cursor keys only work if the app keypad
* is on.
*
* SGT: That may well be true, but xterm
* disagrees and so does at least one
* application, so I've #if'ed this out and the
* behaviour is back to PuTTY's original: app
* cursor and app keypad are independently
* switchable modes. If anyone complains about
* _this_ I'll have to put in a configurable
* option.
*/
if (!term->app_keypad_keys)
app_flg = 0;
#endif
/* Useful mapping of Ctrl-arrows */
if (shift_state == 2)
app_flg = !app_flg;
if (app_flg)
p += sprintf((char *) p, "\x1BO%c", xkey);
else
p += sprintf((char *) p, "\x1B[%c", xkey);
}
return p - output;
}
}
/*
* Finally, deal with Return ourselves. (Win95 seems to
* foul it up when Alt is pressed, for some reason.)
*/
if (wParam == VK_RETURN) { /* Return */
*p++ = 0x0D;
*p++ = 0;
return -2;
}
if (left_alt && wParam >= VK_NUMPAD0 && wParam <= VK_NUMPAD9)
alt_sum = alt_sum * 10 + wParam - VK_NUMPAD0;
else
alt_sum = 0;
}
/* Okay we've done everything interesting; let windows deal with
* the boring stuff */
{
BOOL capsOn=0;
/* helg: clear CAPS LOCK state if caps lock switches to cyrillic */
if(cfg.xlat_capslockcyr && keystate[VK_CAPITAL] != 0) {
capsOn= !left_alt;
keystate[VK_CAPITAL] = 0;
}
r = ToAsciiEx(wParam, scan, keystate, keys, 0, kbd_layout);
#ifdef SHOW_TOASCII_RESULT
if (r == 1 && !key_down) {
if (alt_sum) {
if (in_utf(term) || ucsdata.dbcs_screenfont)
debug((", (U+%04x)", alt_sum));
else
debug((", LCH(%d)", alt_sum));
} else {
debug((", ACH(%d)", keys[0]));
}
} else if (r > 0) {
int r1;
debug((", ASC("));
for (r1 = 0; r1 < r; r1++) {
debug(("%s%d", r1 ? "," : "", keys[r1]));
}
debug((")"));
}
#endif
if (r > 0) {
WCHAR keybuf;
/*
* Interrupt an ongoing paste. I'm not sure this is
* sensible, but for the moment it's preferable to
* having to faff about buffering things.
*/
term_nopaste(term);
p = output;
for (i = 0; i < r; i++) {
unsigned char ch = (unsigned char) keys[i];
if (compose_state == 2 && (ch & 0x80) == 0 && ch > ' ') {
compose_char = ch;
compose_state++;
continue;
}
if (compose_state == 3 && (ch & 0x80) == 0 && ch > ' ') {
int nc;
compose_state = 0;
if ((nc = check_compose(compose_char, ch)) == -1) {
MessageBeep(MB_ICONHAND);
return 0;
}
keybuf = nc;
term_seen_key_event(term);
luni_send(ldisc, &keybuf, 1, 1);
continue;
}
compose_state = 0;
if (!key_down) {
if (alt_sum) {
if (in_utf(term) || ucsdata.dbcs_screenfont) {
keybuf = alt_sum;
term_seen_key_event(term);
luni_send(ldisc, &keybuf, 1, 1);
} else {
ch = (char) alt_sum;
/*
* We need not bother about stdin
* backlogs here, because in GUI PuTTY
* we can't do anything about it
* anyway; there's no means of asking
* Windows to hold off on KEYDOWN
* messages. We _have_ to buffer
* everything we're sent.
*/
term_seen_key_event(term);
ldisc_send(ldisc, &ch, 1, 1);
}
alt_sum = 0;
} else {
term_seen_key_event(term);
lpage_send(ldisc, kbd_codepage, &ch, 1, 1);
}
} else {
if(capsOn && ch < 0x80) {
WCHAR cbuf[2];
cbuf[0] = 27;
cbuf[1] = xlat_uskbd2cyrllic(ch);
term_seen_key_event(term);
luni_send(ldisc, cbuf+!left_alt, 1+!!left_alt, 1);
} else {
char cbuf[2];
cbuf[0] = '\033';
cbuf[1] = ch;
term_seen_key_event(term);
lpage_send(ldisc, kbd_codepage,
cbuf+!left_alt, 1+!!left_alt, 1);
}
}
show_mouseptr(0);
}
/* This is so the ALT-Numpad and dead keys work correctly. */
keys[0] = 0;
return p - output;
}
/* If we're definitly not building up an ALT-54321 then clear it */
if (!left_alt)
keys[0] = 0;
/* If we will be using alt_sum fix the 256s */
else if (keys[0] && (in_utf(term) || ucsdata.dbcs_screenfont))
keys[0] = 10;
}
/*
* ALT alone may or may not want to bring up the System menu.
* If it's not meant to, we return 0 on presses or releases of
* ALT, to show that we've swallowed the keystroke. Otherwise
* we return -1, which means Windows will give the keystroke
* its default handling (i.e. bring up the System menu).
*/
if (wParam == VK_MENU && !cfg.alt_only)
return 0;
return -1;
}
void request_paste(void *frontend)
{
/*
* In Windows, pasting is synchronous: we can read the
* clipboard with no difficulty, so request_paste() can just go
* ahead and paste.
*/
term_do_paste(term);
}
void set_title(void *frontend, char *title)
{
sfree(window_name);
window_name = snewn(1 + strlen(title), char);
strcpy(window_name, title);
if (cfg.win_name_always || !IsIconic(hwnd))
SetWindowText(hwnd, title);
}
void set_icon(void *frontend, char *title)
{
sfree(icon_name);
icon_name = snewn(1 + strlen(title), char);
strcpy(icon_name, title);
if (!cfg.win_name_always && IsIconic(hwnd))
SetWindowText(hwnd, title);
}
void set_sbar(void *frontend, int total, int start, int page)
{
SCROLLINFO si;
if (is_full_screen() ? !cfg.scrollbar_in_fullscreen : !cfg.scrollbar)
return;
si.cbSize = sizeof(si);
si.fMask = SIF_ALL | 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 *frontend)
{
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(void *frontend, 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(frontend);
UnrealizeObject(pal);
RealizePalette(hdc);
free_ctx(hdc);
}
}
void palette_reset(void *frontend)
{
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(frontend);
RealizePalette(hdc);
free_ctx(hdc);
}
}
void write_aclip(void *frontend, char *data, int len, int must_deselect)
{
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);
if (!must_deselect)
SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
if (OpenClipboard(hwnd)) {
EmptyClipboard();
SetClipboardData(CF_TEXT, clipdata);
CloseClipboard();
} else
GlobalFree(clipdata);
if (!must_deselect)
SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
}
/*
* Note: unlike write_aclip() this will not append a nul.
*/
void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
{
HGLOBAL clipdata, clipdata2, clipdata3;
int len2;
void *lock, *lock2, *lock3;
len2 = WideCharToMultiByte(CP_ACP, 0, data, len, 0, 0, NULL, NULL);
clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE,
len * sizeof(wchar_t));
clipdata2 = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len2);
if (!clipdata || !clipdata2) {
if (clipdata)
GlobalFree(clipdata);
if (clipdata2)
GlobalFree(clipdata2);
return;
}
if (!(lock = GlobalLock(clipdata)))
return;
if (!(lock2 = GlobalLock(clipdata2)))
return;
memcpy(lock, data, len * sizeof(wchar_t));
WideCharToMultiByte(CP_ACP, 0, data, len, lock2, len2, NULL, NULL);
if (cfg.rtf_paste) {
wchar_t unitab[256];
char *rtf = NULL;
unsigned char *tdata = (unsigned char *)lock2;
wchar_t *udata = (wchar_t *)lock;
int rtflen = 0, uindex = 0, tindex = 0;
int rtfsize = 0;
int multilen, blen, alen, totallen, i;
char before[16], after[4];
get_unitab(CP_ACP, unitab, 0);
rtfsize = 100 + strlen(cfg.font.name);
rtf = snewn(rtfsize, char);
sprintf(rtf, "{\\rtf1\\ansi%d{\\fonttbl\\f0\\fmodern %s;}\\f0",
GetACP(), cfg.font.name);
rtflen = strlen(rtf);
/*
* We want to construct a piece of RTF that specifies the
* same Unicode text. To do this we will read back in
* parallel from the Unicode data in `udata' and the
* non-Unicode data in `tdata'. For each character in
* `tdata' which becomes the right thing in `udata' when
* looked up in `unitab', we just copy straight over from
* tdata. For each one that doesn't, we must WCToMB it
* individually and produce a \u escape sequence.
*
* It would probably be more robust to just bite the bullet
* and WCToMB each individual Unicode character one by one,
* then MBToWC each one back to see if it was an accurate
* translation; but that strikes me as a horrifying number
* of Windows API calls so I want to see if this faster way
* will work. If it screws up badly we can always revert to
* the simple and slow way.
*/
while (tindex < len2 && uindex < len &&
tdata[tindex] && udata[uindex]) {
if (tindex + 1 < len2 &&
tdata[tindex] == '\r' &&
tdata[tindex+1] == '\n') {
tindex++;
uindex++;
}
if (unitab[tdata[tindex]] == udata[uindex]) {
multilen = 1;
before[0] = '\0';
after[0] = '\0';
blen = alen = 0;
} else {
multilen = WideCharToMultiByte(CP_ACP, 0, unitab+uindex, 1,
NULL, 0, NULL, NULL);
if (multilen != 1) {
blen = sprintf(before, "{\\uc%d\\u%d", multilen,
udata[uindex]);
alen = 1; strcpy(after, "}");
} else {
blen = sprintf(before, "\\u%d", udata[uindex]);
alen = 0; after[0] = '\0';
}
}
assert(tindex + multilen <= len2);
totallen = blen + alen;
for (i = 0; i < multilen; i++) {
if (tdata[tindex+i] == '\\' ||
tdata[tindex+i] == '{' ||
tdata[tindex+i] == '}')
totallen += 2;
else if (tdata[tindex+i] == 0x0D || tdata[tindex+i] == 0x0A)
totallen += 6; /* \par\r\n */
else if (tdata[tindex+i] > 0x7E || tdata[tindex+i] < 0x20)
totallen += 4;
else
totallen++;
}
if (rtfsize < rtflen + totallen + 3) {
rtfsize = rtflen + totallen + 512;
rtf = sresize(rtf, rtfsize, char);
}
strcpy(rtf + rtflen, before); rtflen += blen;
for (i = 0; i < multilen; i++) {
if (tdata[tindex+i] == '\\' ||
tdata[tindex+i] == '{' ||
tdata[tindex+i] == '}') {
rtf[rtflen++] = '\\';
rtf[rtflen++] = tdata[tindex+i];
} else if (tdata[tindex+i] == 0x0D || tdata[tindex+i] == 0x0A) {
rtflen += sprintf(rtf+rtflen, "\\par\r\n");
} else if (tdata[tindex+i] > 0x7E || tdata[tindex+i] < 0x20) {
rtflen += sprintf(rtf+rtflen, "\\'%02x", tdata[tindex+i]);
} else {
rtf[rtflen++] = tdata[tindex+i];
}
}
strcpy(rtf + rtflen, after); rtflen += alen;
tindex += multilen;
uindex++;
}
strcpy(rtf + rtflen, "}");
rtflen += 2;
clipdata3 = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, rtflen);
if (clipdata3 && (lock3 = GlobalLock(clipdata3)) != NULL) {
strcpy(lock3, rtf);
GlobalUnlock(clipdata3);
}
sfree(rtf);
} else
clipdata3 = NULL;
GlobalUnlock(clipdata);
GlobalUnlock(clipdata2);
if (!must_deselect)
SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
if (OpenClipboard(hwnd)) {
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, clipdata);
SetClipboardData(CF_TEXT, clipdata2);
if (clipdata3)
SetClipboardData(RegisterClipboardFormat(CF_RTF), clipdata3);
CloseClipboard();
} else {
GlobalFree(clipdata);
GlobalFree(clipdata2);
}
if (!must_deselect)
SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
}
void get_clip(void *frontend, wchar_t ** p, int *len)
{
static HGLOBAL clipdata = NULL;
static wchar_t *converted = 0;
wchar_t *p2;
if (converted) {
sfree(converted);
converted = 0;
}
if (!p) {
if (clipdata)
GlobalUnlock(clipdata);
clipdata = NULL;
return;
} else if (OpenClipboard(NULL)) {
if ((clipdata = GetClipboardData(CF_UNICODETEXT))) {
CloseClipboard();
*p = GlobalLock(clipdata);
if (*p) {
for (p2 = *p; *p2; p2++);
*len = p2 - *p;
return;
}
} else if ( (clipdata = GetClipboardData(CF_TEXT)) ) {
char *s;
int i;
CloseClipboard();
s = GlobalLock(clipdata);
i = MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, 0, 0);
*p = converted = snewn(i, wchar_t);
MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, converted, i);
*len = i - 1;
return;
} else
CloseClipboard();
}
*p = NULL;
*len = 0;
}
#if 0
/*
* Move `lines' lines from position `from' to position `to' in the
* window.
*/
void optimised_move(void *frontend, int to, int from, int lines)
{
RECT r;
int min, max;
min = (to < from ? to : from);
max = to + from - min;
r.left = offset_width;
r.right = offset_width + term->cols * font_width;
r.top = offset_height + min * font_height;
r.bottom = offset_height + (max + lines) * font_height;
ScrollWindow(hwnd, 0, (to - from) * font_height, &r, &r);
}
#endif
/*
* Print a message box and perform a fatal exit.
*/
void fatalbox(char *fmt, ...)
{
va_list ap;
char *stuff, morestuff[100];
va_start(ap, fmt);
stuff = dupvprintf(fmt, ap);
va_end(ap);
sprintf(morestuff, "%.70s Fatal Error", appname);
MessageBox(hwnd, stuff, morestuff, MB_ICONERROR | MB_OK);
sfree(stuff);
cleanup_exit(1);
}
/*
* Print a modal (Really Bad) message box and perform a fatal exit.
*/
void modalfatalbox(char *fmt, ...)
{
va_list ap;
char *stuff, morestuff[100];
va_start(ap, fmt);
stuff = dupvprintf(fmt, ap);
va_end(ap);
sprintf(morestuff, "%.70s Fatal Error", appname);
MessageBox(hwnd, stuff, morestuff,
MB_SYSTEMMODAL | MB_ICONERROR | MB_OK);
sfree(stuff);
cleanup_exit(1);
}
/*
* Manage window caption / taskbar flashing, if enabled.
* 0 = stop, 1 = maintain, 2 = start
*/
static void flash_window(int mode)
{
static long last_flash = 0;
static int flashing = 0;
if ((mode == 0) || (cfg.beep_ind == B_IND_DISABLED)) {
/* stop */
if (flashing) {
FlashWindow(hwnd, FALSE);
flashing = 0;
}
} else if (mode == 2) {
/* start */
if (!flashing) {
last_flash = GetTickCount();
flashing = 1;
FlashWindow(hwnd, TRUE);
}
} else if ((mode == 1) && (cfg.beep_ind == B_IND_FLASH)) {
/* maintain */
if (flashing) {
long now = GetTickCount();
long fdiff = now - last_flash;
if (fdiff < 0 || fdiff > 450) {
last_flash = now;
FlashWindow(hwnd, TRUE); /* toggle */
}
}
}
}
/*
* Beep.
*/
void beep(void *frontend, int mode)
{
if (mode == BELL_DEFAULT) {
/*
* For MessageBeep style bells, we want to be careful of
* timing, because they don't have the nice property of
* PlaySound bells that each one cancels the previous
* active one. So we limit the rate to one per 50ms or so.
*/
static long lastbeep = 0;
long beepdiff;
beepdiff = GetTickCount() - lastbeep;
if (beepdiff >= 0 && beepdiff < 50)
return;
MessageBeep(MB_OK);
/*
* The above MessageBeep call takes time, so we record the
* time _after_ it finishes rather than before it starts.
*/
lastbeep = GetTickCount();
} else if (mode == BELL_WAVEFILE) {
if (!PlaySound(cfg.bell_wavefile.path, NULL,
SND_ASYNC | SND_FILENAME)) {
char buf[sizeof(cfg.bell_wavefile) + 80];
char otherbuf[100];
sprintf(buf, "Unable to play sound file\n%s\n"
"Using default sound instead", cfg.bell_wavefile);
sprintf(otherbuf, "%.70s Sound Error", appname);
MessageBox(hwnd, buf, otherbuf,
MB_OK | MB_ICONEXCLAMATION);
cfg.beep = BELL_DEFAULT;
}
} else if (mode == BELL_PCSPEAKER) {
static long lastbeep = 0;
long beepdiff;
beepdiff = GetTickCount() - lastbeep;
if (beepdiff >= 0 && beepdiff < 50)
return;
/*
* We must beep in different ways depending on whether this
* is a 95-series or NT-series OS.
*/
if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_NT)
Beep(800, 100);
else
MessageBeep(-1);
lastbeep = GetTickCount();
}
/* Otherwise, either visual bell or disabled; do nothing here */
if (!term->has_focus) {
flash_window(2); /* start */
}
}
/*
* Minimise or restore the window in response to a server-side
* request.
*/
void set_iconic(void *frontend, int iconic)
{
if (IsIconic(hwnd)) {
if (!iconic)
ShowWindow(hwnd, SW_RESTORE);
} else {
if (iconic)
ShowWindow(hwnd, SW_MINIMIZE);
}
}
/*
* Move the window in response to a server-side request.
*/
void move_window(void *frontend, int x, int y)
{
if (cfg.resize_action == RESIZE_DISABLED ||
cfg.resize_action == RESIZE_FONT ||
IsZoomed(hwnd))
return;
SetWindowPos(hwnd, NULL, x, y, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
}
/*
* Move the window to the top or bottom of the z-order in response
* to a server-side request.
*/
void set_zorder(void *frontend, int top)
{
if (cfg.alwaysontop)
return; /* ignore */
SetWindowPos(hwnd, top ? HWND_TOP : HWND_BOTTOM, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE);
}
/*
* Refresh the window in response to a server-side request.
*/
void refresh_window(void *frontend)
{
InvalidateRect(hwnd, NULL, TRUE);
}
/*
* Maximise or restore the window in response to a server-side
* request.
*/
void set_zoomed(void *frontend, int zoomed)
{
if (IsZoomed(hwnd)) {
if (!zoomed)
ShowWindow(hwnd, SW_RESTORE);
} else {
if (zoomed)
ShowWindow(hwnd, SW_MAXIMIZE);
}
}
/*
* Report whether the window is iconic, for terminal reports.
*/
int is_iconic(void *frontend)
{
return IsIconic(hwnd);
}
/*
* Report the window's position, for terminal reports.
*/
void get_window_pos(void *frontend, int *x, int *y)
{
RECT r;
GetWindowRect(hwnd, &r);
*x = r.left;
*y = r.top;
}
/*
* Report the window's pixel size, for terminal reports.
*/
void get_window_pixels(void *frontend, int *x, int *y)
{
RECT r;
GetWindowRect(hwnd, &r);
*x = r.right - r.left;
*y = r.bottom - r.top;
}
/*
* Return the window or icon title.
*/
char *get_window_title(void *frontend, int icon)
{
return icon ? icon_name : window_name;
}
/*
* See if we're in full-screen mode.
*/
int is_full_screen()
{
if (!IsZoomed(hwnd))
return FALSE;
if (GetWindowLong(hwnd, GWL_STYLE) & WS_CAPTION)
return FALSE;
return TRUE;
}
/* Get the rect/size of a full screen window using the nearest available
* monitor in multimon systems; default to something sensible if only
* one monitor is present. */
static int get_fullscreen_rect(RECT * ss)
{
#ifdef MONITOR_DEFAULTTONEAREST
HMONITOR mon;
MONITORINFO mi;
mon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
mi.cbSize = sizeof(mi);
GetMonitorInfo(mon, &mi);
/* structure copy */
*ss = mi.rcMonitor;
return TRUE;
#else
/* could also use code like this:
ss->left = ss->top = 0;
ss->right = GetSystemMetrics(SM_CXSCREEN);
ss->bottom = GetSystemMetrics(SM_CYSCREEN);
*/
return GetClientRect(GetDesktopWindow(), ss);
#endif
}
/*
* Go full-screen. This should only be called when we are already
* maximised.
*/
void make_full_screen()
{
DWORD style;
RECT ss;
assert(IsZoomed(hwnd));
if (is_full_screen())
return;
/* Remove the window furniture. */
style = GetWindowLong(hwnd, GWL_STYLE);
style &= ~(WS_CAPTION | WS_BORDER | WS_THICKFRAME);
if (cfg.scrollbar_in_fullscreen)
style |= WS_VSCROLL;
else
style &= ~WS_VSCROLL;
SetWindowLong(hwnd, GWL_STYLE, style);
/* Resize ourselves to exactly cover the nearest monitor. */
get_fullscreen_rect(&ss);
SetWindowPos(hwnd, HWND_TOP, ss.left, ss.top,
ss.right - ss.left,
ss.bottom - ss.top,
SWP_FRAMECHANGED);
/* Tick the menu item in the System menu. */
CheckMenuItem(GetSystemMenu(hwnd, FALSE), IDM_FULLSCREEN,
MF_CHECKED);
}
/*
* Clear the full-screen attributes.
*/
void clear_full_screen()
{
DWORD oldstyle, style;
/* Reinstate the window furniture. */
style = oldstyle = GetWindowLong(hwnd, GWL_STYLE);
style |= WS_CAPTION | WS_BORDER;
if (cfg.resize_action == RESIZE_DISABLED)
style &= ~WS_THICKFRAME;
else
style |= WS_THICKFRAME;
if (cfg.scrollbar)
style |= WS_VSCROLL;
else
style &= ~WS_VSCROLL;
if (style != oldstyle) {
SetWindowLong(hwnd, GWL_STYLE, style);
SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
SWP_FRAMECHANGED);
}
/* Untick the menu item in the System menu. */
CheckMenuItem(GetSystemMenu(hwnd, FALSE), IDM_FULLSCREEN,
MF_UNCHECKED);
}
/*
* Toggle full-screen mode.
*/
void flip_full_screen()
{
if (is_full_screen()) {
ShowWindow(hwnd, SW_RESTORE);
} else if (IsZoomed(hwnd)) {
make_full_screen();
} else {
SendMessage(hwnd, WM_FULLSCR_ON_MAX, 0, 0);
ShowWindow(hwnd, SW_MAXIMIZE);
}
}
void frontend_keypress(void *handle)
{
/*
* Keypress termination in non-Close-On-Exit mode is not
* currently supported in PuTTY proper, because the window
* always has a perfectly good Close button anyway. So we do
* nothing here.
*/
return;
}
int from_backend(void *frontend, int is_stderr, const char *data, int len)
{
return term_data(term, is_stderr, data, len);
}
void agent_schedule_callback(void (*callback)(void *, void *, int),
void *callback_ctx, void *data, int len)
{
struct agent_callback *c = snew(struct agent_callback);
c->callback = callback;
c->callback_ctx = callback_ctx;
c->data = data;
c->len = len;
PostMessage(hwnd, WM_AGENT_CALLBACK, 0, (LPARAM)c);
}
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