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|
/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* os_win32.c
*
* Used for both the console version and the Win32 GUI. A lot of code is for
* the console version only, so there is a lot of "#ifndef FEAT_GUI_W32".
*
* Win32 (Windows NT and Windows 95) system-dependent routines.
* Portions lifted from the Win32 SDK samples, the MSDOS-dependent code,
* NetHack 3.1.3, GNU Emacs 19.30, and Vile 5.5.
*
* George V. Reilly <george@reilly.org> wrote most of this.
* Roger Knobbe <rogerk@wonderware.com> did the initial port of Vim 3.0.
*/
#include <io.h>
#include "vim.h"
#ifdef FEAT_MZSCHEME
# include "if_mzsch.h"
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#include <sys/types.h>
#include <errno.h>
#include <signal.h>
#include <limits.h>
#include <process.h>
#undef chdir
#ifdef __GNUC__
# ifndef __MINGW32__
# include <dirent.h>
# endif
#else
# include <direct.h>
#endif
#if defined(FEAT_TITLE) && !defined(FEAT_GUI_W32)
# include <shellapi.h>
#endif
#ifdef __MINGW32__
# ifndef FROM_LEFT_1ST_BUTTON_PRESSED
# define FROM_LEFT_1ST_BUTTON_PRESSED 0x0001
# endif
# ifndef RIGHTMOST_BUTTON_PRESSED
# define RIGHTMOST_BUTTON_PRESSED 0x0002
# endif
# ifndef FROM_LEFT_2ND_BUTTON_PRESSED
# define FROM_LEFT_2ND_BUTTON_PRESSED 0x0004
# endif
# ifndef FROM_LEFT_3RD_BUTTON_PRESSED
# define FROM_LEFT_3RD_BUTTON_PRESSED 0x0008
# endif
# ifndef FROM_LEFT_4TH_BUTTON_PRESSED
# define FROM_LEFT_4TH_BUTTON_PRESSED 0x0010
# endif
/*
* EventFlags
*/
# ifndef MOUSE_MOVED
# define MOUSE_MOVED 0x0001
# endif
# ifndef DOUBLE_CLICK
# define DOUBLE_CLICK 0x0002
# endif
#endif
/* Record all output and all keyboard & mouse input */
/* #define MCH_WRITE_DUMP */
#ifdef MCH_WRITE_DUMP
FILE* fdDump = NULL;
#endif
/*
* When generating prototypes for Win32 on Unix, these lines make the syntax
* errors disappear. They do not need to be correct.
*/
#ifdef PROTO
#define WINAPI
#define WINBASEAPI
typedef char * LPCSTR;
typedef char * LPWSTR;
typedef int ACCESS_MASK;
typedef int BOOL;
typedef int COLORREF;
typedef int CONSOLE_CURSOR_INFO;
typedef int COORD;
typedef int DWORD;
typedef int HANDLE;
typedef int HDC;
typedef int HFONT;
typedef int HICON;
typedef int HINSTANCE;
typedef int HWND;
typedef int INPUT_RECORD;
typedef int KEY_EVENT_RECORD;
typedef int LOGFONT;
typedef int LPBOOL;
typedef int LPCTSTR;
typedef int LPDWORD;
typedef int LPSTR;
typedef int LPTSTR;
typedef int LPVOID;
typedef int MOUSE_EVENT_RECORD;
typedef int PACL;
typedef int PDWORD;
typedef int PHANDLE;
typedef int PRINTDLG;
typedef int PSECURITY_DESCRIPTOR;
typedef int PSID;
typedef int SECURITY_INFORMATION;
typedef int SHORT;
typedef int SMALL_RECT;
typedef int TEXTMETRIC;
typedef int TOKEN_INFORMATION_CLASS;
typedef int TRUSTEE;
typedef int WORD;
typedef int WCHAR;
typedef void VOID;
#endif
#ifndef FEAT_GUI_W32
/* Undocumented API in kernel32.dll needed to work around dead key bug in
* console-mode applications in NT 4.0. If you switch keyboard layouts
* in a console app to a layout that includes dead keys and then hit a
* dead key, a call to ToAscii will trash the stack. My thanks to Ian James
* and Michael Dietrich for helping me figure out this workaround.
*/
/* WINBASEAPI BOOL WINAPI GetConsoleKeyboardLayoutNameA(LPSTR); */
#ifndef WINBASEAPI
# define WINBASEAPI __stdcall
#endif
#if defined(__BORLANDC__)
typedef BOOL (__stdcall *PFNGCKLN)(LPSTR);
#else
typedef WINBASEAPI BOOL (WINAPI *PFNGCKLN)(LPSTR);
#endif
static PFNGCKLN s_pfnGetConsoleKeyboardLayoutName = NULL;
#endif
#if defined(__BORLANDC__)
/* Strangely Borland uses a non-standard name. */
# define wcsicmp(a, b) wcscmpi((a), (b))
#endif
#ifndef FEAT_GUI_W32
/* Win32 Console handles for input and output */
static HANDLE g_hConIn = INVALID_HANDLE_VALUE;
static HANDLE g_hConOut = INVALID_HANDLE_VALUE;
/* Win32 Screen buffer,coordinate,console I/O information */
static SMALL_RECT g_srScrollRegion;
static COORD g_coord; /* 0-based, but external coords are 1-based */
/* The attribute of the screen when the editor was started */
static WORD g_attrDefault = 7; /* lightgray text on black background */
static WORD g_attrCurrent;
static int g_fCBrkPressed = FALSE; /* set by ctrl-break interrupt */
static int g_fCtrlCPressed = FALSE; /* set when ctrl-C or ctrl-break detected */
static int g_fForceExit = FALSE; /* set when forcefully exiting */
static void termcap_mode_start(void);
static void termcap_mode_end(void);
static void clear_chars(COORD coord, DWORD n);
static void clear_screen(void);
static void clear_to_end_of_display(void);
static void clear_to_end_of_line(void);
static void scroll(unsigned cLines);
static void set_scroll_region(unsigned left, unsigned top,
unsigned right, unsigned bottom);
static void insert_lines(unsigned cLines);
static void delete_lines(unsigned cLines);
static void gotoxy(unsigned x, unsigned y);
static void normvideo(void);
static void textattr(WORD wAttr);
static void textcolor(WORD wAttr);
static void textbackground(WORD wAttr);
static void standout(void);
static void standend(void);
static void visual_bell(void);
static void cursor_visible(BOOL fVisible);
static BOOL write_chars(LPCSTR pchBuf, DWORD cchToWrite);
static char_u tgetch(int *pmodifiers, char_u *pch2);
static void create_conin(void);
static int s_cursor_visible = TRUE;
static int did_create_conin = FALSE;
#else
static int s_dont_use_vimrun = TRUE;
static int need_vimrun_warning = FALSE;
static char *vimrun_path = "vimrun ";
#endif
#ifndef FEAT_GUI_W32
static int suppress_winsize = 1; /* don't fiddle with console */
#endif
static void
get_exe_name(void)
{
char temp[256];
if (exe_name == NULL)
{
/* store the name of the executable, may be used for $VIM */
GetModuleFileName(NULL, temp, 255);
if (*temp != NUL)
exe_name = FullName_save((char_u *)temp, FALSE);
}
}
#if defined(DYNAMIC_GETTEXT) || defined(PROTO)
# ifndef GETTEXT_DLL
# define GETTEXT_DLL "libintl.dll"
# endif
/* Dummy funcitons */
static char *null_libintl_gettext(const char *);
static char *null_libintl_textdomain(const char *);
static char *null_libintl_bindtextdomain(const char *, const char *);
static char *null_libintl_bind_textdomain_codeset(const char *, const char *);
static HINSTANCE hLibintlDLL = 0;
char *(*dyn_libintl_gettext)(const char *) = null_libintl_gettext;
char *(*dyn_libintl_textdomain)(const char *) = null_libintl_textdomain;
char *(*dyn_libintl_bindtextdomain)(const char *, const char *)
= null_libintl_bindtextdomain;
char *(*dyn_libintl_bind_textdomain_codeset)(const char *, const char *)
= null_libintl_bind_textdomain_codeset;
int
dyn_libintl_init(char *libname)
{
int i;
static struct
{
char *name;
FARPROC *ptr;
} libintl_entry[] =
{
{"gettext", (FARPROC*)&dyn_libintl_gettext},
{"textdomain", (FARPROC*)&dyn_libintl_textdomain},
{"bindtextdomain", (FARPROC*)&dyn_libintl_bindtextdomain},
{NULL, NULL}
};
/* No need to initialize twice. */
if (hLibintlDLL)
return 1;
/* Load gettext library (libintl.dll) */
hLibintlDLL = LoadLibrary(libname != NULL ? libname : GETTEXT_DLL);
if (!hLibintlDLL)
{
char_u dirname[_MAX_PATH];
/* Try using the path from gvim.exe to find the .dll there. */
get_exe_name();
STRCPY(dirname, exe_name);
STRCPY(gettail(dirname), GETTEXT_DLL);
hLibintlDLL = LoadLibrary((char *)dirname);
if (!hLibintlDLL)
{
if (p_verbose > 0)
{
verbose_enter();
EMSG2(_(e_loadlib), GETTEXT_DLL);
verbose_leave();
}
return 0;
}
}
for (i = 0; libintl_entry[i].name != NULL
&& libintl_entry[i].ptr != NULL; ++i)
{
if ((*libintl_entry[i].ptr = (FARPROC)GetProcAddress(hLibintlDLL,
libintl_entry[i].name)) == NULL)
{
dyn_libintl_end();
if (p_verbose > 0)
{
verbose_enter();
EMSG2(_(e_loadfunc), libintl_entry[i].name);
verbose_leave();
}
return 0;
}
}
/* The bind_textdomain_codeset() function is optional. */
dyn_libintl_bind_textdomain_codeset = (void *)GetProcAddress(hLibintlDLL,
"bind_textdomain_codeset");
if (dyn_libintl_bind_textdomain_codeset == NULL)
dyn_libintl_bind_textdomain_codeset =
null_libintl_bind_textdomain_codeset;
return 1;
}
void
dyn_libintl_end()
{
if (hLibintlDLL)
FreeLibrary(hLibintlDLL);
hLibintlDLL = NULL;
dyn_libintl_gettext = null_libintl_gettext;
dyn_libintl_textdomain = null_libintl_textdomain;
dyn_libintl_bindtextdomain = null_libintl_bindtextdomain;
dyn_libintl_bind_textdomain_codeset = null_libintl_bind_textdomain_codeset;
}
/*ARGSUSED*/
static char *
null_libintl_gettext(const char *msgid)
{
return (char*)msgid;
}
/*ARGSUSED*/
static char *
null_libintl_bindtextdomain(const char *domainname, const char *dirname)
{
return NULL;
}
/*ARGSUSED*/
static char *
null_libintl_bind_textdomain_codeset(const char *domainname,
const char *codeset)
{
return NULL;
}
/*ARGSUSED*/
static char *
null_libintl_textdomain(const char *domainname)
{
return NULL;
}
#endif /* DYNAMIC_GETTEXT */
/* This symbol is not defined in older versions of the SDK or Visual C++ */
#ifndef VER_PLATFORM_WIN32_WINDOWS
# define VER_PLATFORM_WIN32_WINDOWS 1
#endif
DWORD g_PlatformId;
#ifdef HAVE_ACL
# include <aclapi.h>
/*
* These are needed to dynamically load the ADVAPI DLL, which is not
* implemented under Windows 95 (and causes VIM to crash)
*/
typedef DWORD (WINAPI *PSNSECINFO) (LPTSTR, enum SE_OBJECT_TYPE,
SECURITY_INFORMATION, PSID, PSID, PACL, PACL);
typedef DWORD (WINAPI *PGNSECINFO) (LPSTR, enum SE_OBJECT_TYPE,
SECURITY_INFORMATION, PSID *, PSID *, PACL *, PACL *,
PSECURITY_DESCRIPTOR *);
static HANDLE advapi_lib = NULL; /* Handle for ADVAPI library */
static PSNSECINFO pSetNamedSecurityInfo;
static PGNSECINFO pGetNamedSecurityInfo;
#endif
/*
* Set g_PlatformId to VER_PLATFORM_WIN32_NT (NT) or
* VER_PLATFORM_WIN32_WINDOWS (Win95).
*/
void
PlatformId(void)
{
static int done = FALSE;
if (!done)
{
OSVERSIONINFO ovi;
ovi.dwOSVersionInfoSize = sizeof(ovi);
GetVersionEx(&ovi);
g_PlatformId = ovi.dwPlatformId;
#ifdef HAVE_ACL
/*
* Load the ADVAPI runtime if we are on anything
* other than Windows 95
*/
if (g_PlatformId == VER_PLATFORM_WIN32_NT)
{
/*
* do this load. Problems: Doesn't unload at end of run (this is
* theoretically okay, since Windows should unload it when VIM
* terminates). Should we be using the 'mch_libcall' routines?
* Seems like a lot of overhead to load/unload ADVAPI32.DLL each
* time we verify security...
*/
advapi_lib = LoadLibrary("ADVAPI32.DLL");
if (advapi_lib != NULL)
{
pSetNamedSecurityInfo = (PSNSECINFO)GetProcAddress(advapi_lib,
"SetNamedSecurityInfoA");
pGetNamedSecurityInfo = (PGNSECINFO)GetProcAddress(advapi_lib,
"GetNamedSecurityInfoA");
if (pSetNamedSecurityInfo == NULL
|| pGetNamedSecurityInfo == NULL)
{
/* If we can't get the function addresses, set advapi_lib
* to NULL so that we don't use them. */
FreeLibrary(advapi_lib);
advapi_lib = NULL;
}
}
}
#endif
done = TRUE;
}
}
/*
* Return TRUE when running on Windows 95 (or 98 or ME).
* Only to be used after mch_init().
*/
int
mch_windows95(void)
{
return g_PlatformId == VER_PLATFORM_WIN32_WINDOWS;
}
#ifdef FEAT_GUI_W32
/*
* Used to work around the "can't do synchronous spawn"
* problem on Win32s, without resorting to Universal Thunk.
*/
static int old_num_windows;
static int num_windows;
/*ARGSUSED*/
static BOOL CALLBACK
win32ssynch_cb(HWND hwnd, LPARAM lparam)
{
num_windows++;
return TRUE;
}
#endif
#ifndef FEAT_GUI_W32
#define SHIFT (SHIFT_PRESSED)
#define CTRL (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)
#define ALT (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED)
#define ALT_GR (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)
/* When uChar.AsciiChar is 0, then we need to look at wVirtualKeyCode.
* We map function keys to their ANSI terminal equivalents, as produced
* by ANSI.SYS, for compatibility with the MS-DOS version of Vim. Any
* ANSI key with a value >= '\300' is nonstandard, but provided anyway
* so that the user can have access to all SHIFT-, CTRL-, and ALT-
* combinations of function/arrow/etc keys.
*/
static const struct
{
WORD wVirtKey;
BOOL fAnsiKey;
int chAlone;
int chShift;
int chCtrl;
int chAlt;
} VirtKeyMap[] =
{
/* Key ANSI alone shift ctrl alt */
{ VK_ESCAPE,FALSE, ESC, ESC, ESC, ESC, },
{ VK_F1, TRUE, ';', 'T', '^', 'h', },
{ VK_F2, TRUE, '<', 'U', '_', 'i', },
{ VK_F3, TRUE, '=', 'V', '`', 'j', },
{ VK_F4, TRUE, '>', 'W', 'a', 'k', },
{ VK_F5, TRUE, '?', 'X', 'b', 'l', },
{ VK_F6, TRUE, '@', 'Y', 'c', 'm', },
{ VK_F7, TRUE, 'A', 'Z', 'd', 'n', },
{ VK_F8, TRUE, 'B', '[', 'e', 'o', },
{ VK_F9, TRUE, 'C', '\\', 'f', 'p', },
{ VK_F10, TRUE, 'D', ']', 'g', 'q', },
{ VK_F11, TRUE, '\205', '\207', '\211', '\213', },
{ VK_F12, TRUE, '\206', '\210', '\212', '\214', },
{ VK_HOME, TRUE, 'G', '\302', 'w', '\303', },
{ VK_UP, TRUE, 'H', '\304', '\305', '\306', },
{ VK_PRIOR, TRUE, 'I', '\307', '\204', '\310', }, /*PgUp*/
{ VK_LEFT, TRUE, 'K', '\311', 's', '\312', },
{ VK_RIGHT, TRUE, 'M', '\313', 't', '\314', },
{ VK_END, TRUE, 'O', '\315', 'u', '\316', },
{ VK_DOWN, TRUE, 'P', '\317', '\320', '\321', },
{ VK_NEXT, TRUE, 'Q', '\322', 'v', '\323', }, /*PgDn*/
{ VK_INSERT,TRUE, 'R', '\324', '\325', '\326', },
{ VK_DELETE,TRUE, 'S', '\327', '\330', '\331', },
{ VK_SNAPSHOT,TRUE, 0, 0, 0, 'r', }, /*PrtScrn*/
#if 0
/* Most people don't have F13-F20, but what the hell... */
{ VK_F13, TRUE, '\332', '\333', '\334', '\335', },
{ VK_F14, TRUE, '\336', '\337', '\340', '\341', },
{ VK_F15, TRUE, '\342', '\343', '\344', '\345', },
{ VK_F16, TRUE, '\346', '\347', '\350', '\351', },
{ VK_F17, TRUE, '\352', '\353', '\354', '\355', },
{ VK_F18, TRUE, '\356', '\357', '\360', '\361', },
{ VK_F19, TRUE, '\362', '\363', '\364', '\365', },
{ VK_F20, TRUE, '\366', '\367', '\370', '\371', },
#endif
{ VK_ADD, TRUE, 'N', 'N', 'N', 'N', }, /* keyp '+' */
{ VK_SUBTRACT, TRUE,'J', 'J', 'J', 'J', }, /* keyp '-' */
/* { VK_DIVIDE, TRUE,'N', 'N', 'N', 'N', }, keyp '/' */
{ VK_MULTIPLY, TRUE,'7', '7', '7', '7', }, /* keyp '*' */
{ VK_NUMPAD0,TRUE, '\332', '\333', '\334', '\335', },
{ VK_NUMPAD1,TRUE, '\336', '\337', '\340', '\341', },
{ VK_NUMPAD2,TRUE, '\342', '\343', '\344', '\345', },
{ VK_NUMPAD3,TRUE, '\346', '\347', '\350', '\351', },
{ VK_NUMPAD4,TRUE, '\352', '\353', '\354', '\355', },
{ VK_NUMPAD5,TRUE, '\356', '\357', '\360', '\361', },
{ VK_NUMPAD6,TRUE, '\362', '\363', '\364', '\365', },
{ VK_NUMPAD7,TRUE, '\366', '\367', '\370', '\371', },
{ VK_NUMPAD8,TRUE, '\372', '\373', '\374', '\375', },
/* Sorry, out of number space! <negri>*/
{ VK_NUMPAD9,TRUE, '\376', '\377', '\377', '\367', },
};
#ifdef _MSC_VER
// The ToAscii bug destroys several registers. Need to turn off optimization
// or the GetConsoleKeyboardLayoutName hack will fail in non-debug versions
# pragma optimize("", off)
#endif
#if defined(__GNUC__) && !defined(__MINGW32__) && !defined(__CYGWIN__)
# define AChar AsciiChar
#else
# define AChar uChar.AsciiChar
#endif
/* The return code indicates key code size. */
static int
#ifdef __BORLANDC__
__stdcall
#endif
win32_kbd_patch_key(
KEY_EVENT_RECORD *pker)
{
UINT uMods = pker->dwControlKeyState;
static int s_iIsDead = 0;
static WORD awAnsiCode[2];
static BYTE abKeystate[256];
if (s_iIsDead == 2)
{
pker->AChar = (CHAR) awAnsiCode[1];
s_iIsDead = 0;
return 1;
}
if (pker->AChar != 0)
return 1;
memset(abKeystate, 0, sizeof (abKeystate));
// Should only be non-NULL on NT 4.0
if (s_pfnGetConsoleKeyboardLayoutName != NULL)
{
CHAR szKLID[KL_NAMELENGTH];
if ((*s_pfnGetConsoleKeyboardLayoutName)(szKLID))
(void)LoadKeyboardLayout(szKLID, KLF_ACTIVATE);
}
/* Clear any pending dead keys */
ToAscii(VK_SPACE, MapVirtualKey(VK_SPACE, 0), abKeystate, awAnsiCode, 0);
if (uMods & SHIFT_PRESSED)
abKeystate[VK_SHIFT] = 0x80;
if (uMods & CAPSLOCK_ON)
abKeystate[VK_CAPITAL] = 1;
if ((uMods & ALT_GR) == ALT_GR)
{
abKeystate[VK_CONTROL] = abKeystate[VK_LCONTROL] =
abKeystate[VK_MENU] = abKeystate[VK_RMENU] = 0x80;
}
s_iIsDead = ToAscii(pker->wVirtualKeyCode, pker->wVirtualScanCode,
abKeystate, awAnsiCode, 0);
if (s_iIsDead > 0)
pker->AChar = (CHAR) awAnsiCode[0];
return s_iIsDead;
}
#ifdef _MSC_VER
/* MUST switch optimization on again here, otherwise a call to
* decode_key_event() may crash (e.g. when hitting caps-lock) */
# pragma optimize("", on)
# if (_MSC_VER < 1100)
/* MUST turn off global optimisation for this next function, or
* pressing ctrl-minus in insert mode crashes Vim when built with
* VC4.1. -- negri. */
# pragma optimize("g", off)
# endif
#endif
static BOOL g_fJustGotFocus = FALSE;
/*
* Decode a KEY_EVENT into one or two keystrokes
*/
static BOOL
decode_key_event(
KEY_EVENT_RECORD *pker,
char_u *pch,
char_u *pch2,
int *pmodifiers,
BOOL fDoPost)
{
int i;
const int nModifs = pker->dwControlKeyState & (SHIFT | ALT | CTRL);
*pch = *pch2 = NUL;
g_fJustGotFocus = FALSE;
/* ignore key up events */
if (!pker->bKeyDown)
return FALSE;
/* ignore some keystrokes */
switch (pker->wVirtualKeyCode)
{
/* modifiers */
case VK_SHIFT:
case VK_CONTROL:
case VK_MENU: /* Alt key */
return FALSE;
default:
break;
}
/* special cases */
if ((nModifs & CTRL) != 0 && (nModifs & ~CTRL) == 0 && pker->AChar == NUL)
{
/* Ctrl-6 is Ctrl-^ */
if (pker->wVirtualKeyCode == '6')
{
*pch = Ctrl_HAT;
return TRUE;
}
/* Ctrl-2 is Ctrl-@ */
else if (pker->wVirtualKeyCode == '2')
{
*pch = NUL;
return TRUE;
}
/* Ctrl-- is Ctrl-_ */
else if (pker->wVirtualKeyCode == 0xBD)
{
*pch = Ctrl__;
return TRUE;
}
}
/* Shift-TAB */
if (pker->wVirtualKeyCode == VK_TAB && (nModifs & SHIFT_PRESSED))
{
*pch = K_NUL;
*pch2 = '\017';
return TRUE;
}
for (i = sizeof(VirtKeyMap) / sizeof(VirtKeyMap[0]); --i >= 0; )
{
if (VirtKeyMap[i].wVirtKey == pker->wVirtualKeyCode)
{
if (nModifs == 0)
*pch = VirtKeyMap[i].chAlone;
else if ((nModifs & SHIFT) != 0 && (nModifs & ~SHIFT) == 0)
*pch = VirtKeyMap[i].chShift;
else if ((nModifs & CTRL) != 0 && (nModifs & ~CTRL) == 0)
*pch = VirtKeyMap[i].chCtrl;
else if ((nModifs & ALT) != 0 && (nModifs & ~ALT) == 0)
*pch = VirtKeyMap[i].chAlt;
if (*pch != 0)
{
if (VirtKeyMap[i].fAnsiKey)
{
*pch2 = *pch;
*pch = K_NUL;
}
return TRUE;
}
}
}
i = win32_kbd_patch_key(pker);
if (i < 0)
*pch = NUL;
else
{
*pch = (i > 0) ? pker->AChar : NUL;
if (pmodifiers != NULL)
{
/* Pass on the ALT key as a modifier, but only when not combined
* with CTRL (which is ALTGR). */
if ((nModifs & ALT) != 0 && (nModifs & CTRL) == 0)
*pmodifiers |= MOD_MASK_ALT;
/* Pass on SHIFT only for special keys, because we don't know when
* it's already included with the character. */
if ((nModifs & SHIFT) != 0 && *pch <= 0x20)
*pmodifiers |= MOD_MASK_SHIFT;
/* Pass on CTRL only for non-special keys, because we don't know
* when it's already included with the character. And not when
* combined with ALT (which is ALTGR). */
if ((nModifs & CTRL) != 0 && (nModifs & ALT) == 0
&& *pch >= 0x20 && *pch < 0x80)
*pmodifiers |= MOD_MASK_CTRL;
}
}
return (*pch != NUL);
}
#ifdef _MSC_VER
# pragma optimize("", on)
#endif
#endif /* FEAT_GUI_W32 */
#ifdef FEAT_MOUSE
/*
* For the GUI the mouse handling is in gui_w32.c.
*/
# ifdef FEAT_GUI_W32
/*ARGSUSED*/
void
mch_setmouse(int on)
{
}
# else
static int g_fMouseAvail = FALSE; /* mouse present */
static int g_fMouseActive = FALSE; /* mouse enabled */
static int g_nMouseClick = -1; /* mouse status */
static int g_xMouse; /* mouse x coordinate */
static int g_yMouse; /* mouse y coordinate */
/*
* Enable or disable mouse input
*/
void
mch_setmouse(int on)
{
DWORD cmodein;
if (!g_fMouseAvail)
return;
g_fMouseActive = on;
GetConsoleMode(g_hConIn, &cmodein);
if (g_fMouseActive)
cmodein |= ENABLE_MOUSE_INPUT;
else
cmodein &= ~ENABLE_MOUSE_INPUT;
SetConsoleMode(g_hConIn, cmodein);
}
/*
* Decode a MOUSE_EVENT. If it's a valid event, return MOUSE_LEFT,
* MOUSE_MIDDLE, or MOUSE_RIGHT for a click; MOUSE_DRAG for a mouse
* move with a button held down; and MOUSE_RELEASE after a MOUSE_DRAG
* or a MOUSE_LEFT, _MIDDLE, or _RIGHT. We encode the button type,
* the number of clicks, and the Shift/Ctrl/Alt modifiers in g_nMouseClick,
* and we return the mouse position in g_xMouse and g_yMouse.
*
* Every MOUSE_LEFT, _MIDDLE, or _RIGHT will be followed by zero or more
* MOUSE_DRAGs and one MOUSE_RELEASE. MOUSE_RELEASE will be followed only
* by MOUSE_LEFT, _MIDDLE, or _RIGHT.
*
* For multiple clicks, we send, say, MOUSE_LEFT/1 click, MOUSE_RELEASE,
* MOUSE_LEFT/2 clicks, MOUSE_RELEASE, MOUSE_LEFT/3 clicks, MOUSE_RELEASE, ....
*
* Windows will send us MOUSE_MOVED notifications whenever the mouse
* moves, even if it stays within the same character cell. We ignore
* all MOUSE_MOVED messages if the position hasn't really changed, and
* we ignore all MOUSE_MOVED messages where no button is held down (i.e.,
* we're only interested in MOUSE_DRAG).
*
* All of this is complicated by the code that fakes MOUSE_MIDDLE on
* 2-button mouses by pressing the left & right buttons simultaneously.
* In practice, it's almost impossible to click both at the same time,
* so we need to delay a little. Also, we tend not to get MOUSE_RELEASE
* in such cases, if the user is clicking quickly.
*/
static BOOL
decode_mouse_event(
MOUSE_EVENT_RECORD *pmer)
{
static int s_nOldButton = -1;
static int s_nOldMouseClick = -1;
static int s_xOldMouse = -1;
static int s_yOldMouse = -1;
static linenr_T s_old_topline = 0;
#ifdef FEAT_DIFF
static int s_old_topfill = 0;
#endif
static int s_cClicks = 1;
static BOOL s_fReleased = TRUE;
static DWORD s_dwLastClickTime = 0;
static BOOL s_fNextIsMiddle = FALSE;
static DWORD cButtons = 0; /* number of buttons supported */
const DWORD LEFT = FROM_LEFT_1ST_BUTTON_PRESSED;
const DWORD MIDDLE = FROM_LEFT_2ND_BUTTON_PRESSED;
const DWORD RIGHT = RIGHTMOST_BUTTON_PRESSED;
const DWORD LEFT_RIGHT = LEFT | RIGHT;
int nButton;
if (cButtons == 0 && !GetNumberOfConsoleMouseButtons(&cButtons))
cButtons = 2;
if (!g_fMouseAvail || !g_fMouseActive)
{
g_nMouseClick = -1;
return FALSE;
}
/* get a spurious MOUSE_EVENT immediately after receiving focus; ignore */
if (g_fJustGotFocus)
{
g_fJustGotFocus = FALSE;
return FALSE;
}
/* unprocessed mouse click? */
if (g_nMouseClick != -1)
return TRUE;
nButton = -1;
g_xMouse = pmer->dwMousePosition.X;
g_yMouse = pmer->dwMousePosition.Y;
if (pmer->dwEventFlags == MOUSE_MOVED)
{
/* ignore MOUSE_MOVED events if (x, y) hasn't changed. (We get these
* events even when the mouse moves only within a char cell.) */
if (s_xOldMouse == g_xMouse && s_yOldMouse == g_yMouse)
return FALSE;
}
/* If no buttons are pressed... */
if ((pmer->dwButtonState & ((1 << cButtons) - 1)) == 0)
{
/* If the last thing returned was MOUSE_RELEASE, ignore this */
if (s_fReleased)
return FALSE;
nButton = MOUSE_RELEASE;
s_fReleased = TRUE;
}
else /* one or more buttons pressed */
{
/* on a 2-button mouse, hold down left and right buttons
* simultaneously to get MIDDLE. */
if (cButtons == 2 && s_nOldButton != MOUSE_DRAG)
{
DWORD dwLR = (pmer->dwButtonState & LEFT_RIGHT);
/* if either left or right button only is pressed, see if the
* the next mouse event has both of them pressed */
if (dwLR == LEFT || dwLR == RIGHT)
{
for (;;)
{
/* wait a short time for next input event */
if (WaitForSingleObject(g_hConIn, p_mouset / 3)
!= WAIT_OBJECT_0)
break;
else
{
DWORD cRecords = 0;
INPUT_RECORD ir;
MOUSE_EVENT_RECORD* pmer2 = &ir.Event.MouseEvent;
PeekConsoleInput(g_hConIn, &ir, 1, &cRecords);
if (cRecords == 0 || ir.EventType != MOUSE_EVENT
|| !(pmer2->dwButtonState & LEFT_RIGHT))
break;
else
{
if (pmer2->dwEventFlags != MOUSE_MOVED)
{
ReadConsoleInput(g_hConIn, &ir, 1, &cRecords);
return decode_mouse_event(pmer2);
}
else if (s_xOldMouse == pmer2->dwMousePosition.X &&
s_yOldMouse == pmer2->dwMousePosition.Y)
{
/* throw away spurious mouse move */
ReadConsoleInput(g_hConIn, &ir, 1, &cRecords);
/* are there any more mouse events in queue? */
PeekConsoleInput(g_hConIn, &ir, 1, &cRecords);
if (cRecords==0 || ir.EventType != MOUSE_EVENT)
break;
}
else
break;
}
}
}
}
}
if (s_fNextIsMiddle)
{
nButton = (pmer->dwEventFlags == MOUSE_MOVED)
? MOUSE_DRAG : MOUSE_MIDDLE;
s_fNextIsMiddle = FALSE;
}
else if (cButtons == 2 &&
((pmer->dwButtonState & LEFT_RIGHT) == LEFT_RIGHT))
{
nButton = MOUSE_MIDDLE;
if (! s_fReleased && pmer->dwEventFlags != MOUSE_MOVED)
{
s_fNextIsMiddle = TRUE;
nButton = MOUSE_RELEASE;
}
}
else if ((pmer->dwButtonState & LEFT) == LEFT)
nButton = MOUSE_LEFT;
else if ((pmer->dwButtonState & MIDDLE) == MIDDLE)
nButton = MOUSE_MIDDLE;
else if ((pmer->dwButtonState & RIGHT) == RIGHT)
nButton = MOUSE_RIGHT;
if (! s_fReleased && ! s_fNextIsMiddle
&& nButton != s_nOldButton && s_nOldButton != MOUSE_DRAG)
return FALSE;
s_fReleased = s_fNextIsMiddle;
}
if (pmer->dwEventFlags == 0 || pmer->dwEventFlags == DOUBLE_CLICK)
{
/* button pressed or released, without mouse moving */
if (nButton != -1 && nButton != MOUSE_RELEASE)
{
DWORD dwCurrentTime = GetTickCount();
if (s_xOldMouse != g_xMouse
|| s_yOldMouse != g_yMouse
|| s_nOldButton != nButton
|| s_old_topline != curwin->w_topline
#ifdef FEAT_DIFF
|| s_old_topfill != curwin->w_topfill
#endif
|| (int)(dwCurrentTime - s_dwLastClickTime) > p_mouset)
{
s_cClicks = 1;
}
else if (++s_cClicks > 4)
{
s_cClicks = 1;
}
s_dwLastClickTime = dwCurrentTime;
}
}
else if (pmer->dwEventFlags == MOUSE_MOVED)
{
if (nButton != -1 && nButton != MOUSE_RELEASE)
nButton = MOUSE_DRAG;
s_cClicks = 1;
}
if (nButton == -1)
return FALSE;
if (nButton != MOUSE_RELEASE)
s_nOldButton = nButton;
g_nMouseClick = nButton;
if (pmer->dwControlKeyState & SHIFT_PRESSED)
g_nMouseClick |= MOUSE_SHIFT;
if (pmer->dwControlKeyState & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED))
g_nMouseClick |= MOUSE_CTRL;
if (pmer->dwControlKeyState & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED))
g_nMouseClick |= MOUSE_ALT;
if (nButton != MOUSE_DRAG && nButton != MOUSE_RELEASE)
SET_NUM_MOUSE_CLICKS(g_nMouseClick, s_cClicks);
/* only pass on interesting (i.e., different) mouse events */
if (s_xOldMouse == g_xMouse
&& s_yOldMouse == g_yMouse
&& s_nOldMouseClick == g_nMouseClick)
{
g_nMouseClick = -1;
return FALSE;
}
s_xOldMouse = g_xMouse;
s_yOldMouse = g_yMouse;
s_old_topline = curwin->w_topline;
#ifdef FEAT_DIFF
s_old_topfill = curwin->w_topfill;
#endif
s_nOldMouseClick = g_nMouseClick;
return TRUE;
}
# endif /* FEAT_GUI_W32 */
#endif /* FEAT_MOUSE */
#ifdef MCH_CURSOR_SHAPE
/*
* Set the shape of the cursor.
* 'thickness' can be from 1 (thin) to 99 (block)
*/
static void
mch_set_cursor_shape(int thickness)
{
CONSOLE_CURSOR_INFO ConsoleCursorInfo;
ConsoleCursorInfo.dwSize = thickness;
ConsoleCursorInfo.bVisible = s_cursor_visible;
SetConsoleCursorInfo(g_hConOut, &ConsoleCursorInfo);
if (s_cursor_visible)
SetConsoleCursorPosition(g_hConOut, g_coord);
}
void
mch_update_cursor(void)
{
int idx;
int thickness;
/*
* How the cursor is drawn depends on the current mode.
*/
idx = get_shape_idx(FALSE);
if (shape_table[idx].shape == SHAPE_BLOCK)
thickness = 99; /* 100 doesn't work on W95 */
else
thickness = shape_table[idx].percentage;
mch_set_cursor_shape(thickness);
}
#endif
#ifndef FEAT_GUI_W32 /* this isn't used for the GUI */
/*
* Handle FOCUS_EVENT.
*/
static void
handle_focus_event(INPUT_RECORD ir)
{
g_fJustGotFocus = ir.Event.FocusEvent.bSetFocus;
ui_focus_change((int)g_fJustGotFocus);
}
/*
* Wait until console input from keyboard or mouse is available,
* or the time is up.
* Return TRUE if something is available FALSE if not.
*/
static int
WaitForChar(long msec)
{
DWORD dwNow = 0, dwEndTime = 0;
INPUT_RECORD ir;
DWORD cRecords;
char_u ch, ch2;
if (msec > 0)
/* Wait until the specified time has elapsed. */
dwEndTime = GetTickCount() + msec;
else if (msec < 0)
/* Wait forever. */
dwEndTime = INFINITE;
/* We need to loop until the end of the time period, because
* we might get multiple unusable mouse events in that time.
*/
for (;;)
{
#ifdef FEAT_MZSCHEME
mzvim_check_threads();
#endif
#ifdef FEAT_CLIENTSERVER
serverProcessPendingMessages();
#endif
if (0
#ifdef FEAT_MOUSE
|| g_nMouseClick != -1
#endif
#ifdef FEAT_CLIENTSERVER
|| input_available()
#endif
)
return TRUE;
if (msec > 0)
{
/* If the specified wait time has passed, return. */
dwNow = GetTickCount();
if (dwNow >= dwEndTime)
break;
}
if (msec != 0)
{
DWORD dwWaitTime = dwEndTime - dwNow;
#ifdef FEAT_MZSCHEME
if (mzthreads_allowed() && p_mzq > 0
&& (msec < 0 || (long)dwWaitTime > p_mzq))
dwWaitTime = p_mzq; /* don't wait longer than 'mzquantum' */
#endif
#ifdef FEAT_CLIENTSERVER
/* Wait for either an event on the console input or a message in
* the client-server window. */
if (MsgWaitForMultipleObjects(1, &g_hConIn, FALSE,
dwWaitTime, QS_SENDMESSAGE) != WAIT_OBJECT_0)
#else
if (WaitForSingleObject(g_hConIn, dwWaitTime) != WAIT_OBJECT_0)
#endif
continue;
}
cRecords = 0;
PeekConsoleInput(g_hConIn, &ir, 1, &cRecords);
#ifdef FEAT_MBYTE_IME
if (State & CMDLINE && msg_row == Rows - 1)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (GetConsoleScreenBufferInfo(g_hConOut, &csbi))
{
if (csbi.dwCursorPosition.Y != msg_row)
{
/* The screen is now messed up, must redraw the
* command line and later all the windows. */
redraw_all_later(CLEAR);
cmdline_row -= (msg_row - csbi.dwCursorPosition.Y);
redrawcmd();
}
}
}
#endif
if (cRecords > 0)
{
if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown)
{
#ifdef FEAT_MBYTE_IME
/* Windows IME sends two '\n's with only one 'ENTER'. First:
* wVirtualKeyCode == 13. second: wVirtualKeyCode == 0 */
if (ir.Event.KeyEvent.uChar.UnicodeChar == 0
&& ir.Event.KeyEvent.wVirtualKeyCode == 13)
{
ReadConsoleInput(g_hConIn, &ir, 1, &cRecords);
continue;
}
#endif
if (decode_key_event(&ir.Event.KeyEvent, &ch, &ch2,
NULL, FALSE))
return TRUE;
}
ReadConsoleInput(g_hConIn, &ir, 1, &cRecords);
if (ir.EventType == FOCUS_EVENT)
handle_focus_event(ir);
else if (ir.EventType == WINDOW_BUFFER_SIZE_EVENT)
shell_resized();
#ifdef FEAT_MOUSE
else if (ir.EventType == MOUSE_EVENT
&& decode_mouse_event(&ir.Event.MouseEvent))
return TRUE;
#endif
}
else if (msec == 0)
break;
}
#ifdef FEAT_CLIENTSERVER
/* Something might have been received while we were waiting. */
if (input_available())
return TRUE;
#endif
return FALSE;
}
#ifndef FEAT_GUI_MSWIN
/*
* return non-zero if a character is available
*/
int
mch_char_avail(void)
{
return WaitForChar(0L);
}
#endif
/*
* Create the console input. Used when reading stdin doesn't work.
*/
static void
create_conin(void)
{
g_hConIn = CreateFile("CONIN$", GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE,
(LPSECURITY_ATTRIBUTES) NULL,
OPEN_EXISTING, (DWORD)NULL, (HANDLE)NULL);
did_create_conin = TRUE;
}
/*
* Get a keystroke or a mouse event
*/
static char_u
tgetch(int *pmodifiers, char_u *pch2)
{
char_u ch;
for (;;)
{
INPUT_RECORD ir;
DWORD cRecords = 0;
#ifdef FEAT_CLIENTSERVER
(void)WaitForChar(-1L);
if (input_available())
return 0;
# ifdef FEAT_MOUSE
if (g_nMouseClick != -1)
return 0;
# endif
#endif
if (ReadConsoleInput(g_hConIn, &ir, 1, &cRecords) == 0)
{
if (did_create_conin)
read_error_exit();
create_conin();
continue;
}
if (ir.EventType == KEY_EVENT)
{
if (decode_key_event(&ir.Event.KeyEvent, &ch, pch2,
pmodifiers, TRUE))
return ch;
}
else if (ir.EventType == FOCUS_EVENT)
handle_focus_event(ir);
else if (ir.EventType == WINDOW_BUFFER_SIZE_EVENT)
shell_resized();
#ifdef FEAT_MOUSE
else if (ir.EventType == MOUSE_EVENT)
{
if (decode_mouse_event(&ir.Event.MouseEvent))
return 0;
}
#endif
}
}
#endif /* !FEAT_GUI_W32 */
/*
* mch_inchar(): low-level input funcion.
* Get one or more characters from the keyboard or the mouse.
* If time == 0, do not wait for characters.
* If time == n, wait a short time for characters.
* If time == -1, wait forever for characters.
* Returns the number of characters read into buf.
*/
/*ARGSUSED*/
int
mch_inchar(
char_u *buf,
int maxlen,
long time,
int tb_change_cnt)
{
#ifndef FEAT_GUI_W32 /* this isn't used for the GUI */
int len;
int c;
#define TYPEAHEADLEN 20
static char_u typeahead[TYPEAHEADLEN]; /* previously typed bytes. */
static int typeaheadlen = 0;
/* First use any typeahead that was kept because "buf" was too small. */
if (typeaheadlen > 0)
goto theend;
#ifdef FEAT_SNIFF
if (want_sniff_request)
{
if (sniff_request_waiting)
{
/* return K_SNIFF */
typeahead[typeaheadlen++] = CSI;
typeahead[typeaheadlen++] = (char_u)KS_EXTRA;
typeahead[typeaheadlen++] = (char_u)KE_SNIFF;
sniff_request_waiting = 0;
want_sniff_request = 0;
goto theend;
}
else if (time < 0 || time > 250)
{
/* don't wait too long, a request might be pending */
time = 250;
}
}
#endif
if (time >= 0)
{
if (!WaitForChar(time)) /* no character available */
return 0;
}
else /* time == -1, wait forever */
{
mch_set_winsize_now(); /* Allow winsize changes from now on */
/*
* If there is no character available within 2 seconds (default)
* write the autoscript file to disk. Or cause the CursorHold event
* to be triggered.
*/
if (!WaitForChar(p_ut))
{
#ifdef FEAT_AUTOCMD
if (!did_cursorhold && has_cursorhold()
&& get_real_state() == NORMAL_BUSY && maxlen >= 3)
{
buf[0] = K_SPECIAL;
buf[1] = KS_EXTRA;
buf[2] = (int)KE_CURSORHOLD;
return 3;
}
#endif
before_blocking();
}
}
/*
* Try to read as many characters as there are, until the buffer is full.
*/
/* we will get at least one key. Get more if they are available. */
g_fCBrkPressed = FALSE;
#ifdef MCH_WRITE_DUMP
if (fdDump)
fputc('[', fdDump);
#endif
/* Keep looping until there is something in the typeahead buffer and more
* to get and still room in the buffer (up to two bytes for a char and
* three bytes for a modifier). */
while ((typeaheadlen == 0 || WaitForChar(0L))
&& typeaheadlen + 5 <= TYPEAHEADLEN)
{
if (typebuf_changed(tb_change_cnt))
{
/* "buf" may be invalid now if a client put something in the
* typeahead buffer and "buf" is in the typeahead buffer. */
typeaheadlen = 0;
break;
}
#ifdef FEAT_MOUSE
if (g_nMouseClick != -1)
{
# ifdef MCH_WRITE_DUMP
if (fdDump)
fprintf(fdDump, "{%02x @ %d, %d}",
g_nMouseClick, g_xMouse, g_yMouse);
# endif
typeahead[typeaheadlen++] = ESC + 128;
typeahead[typeaheadlen++] = 'M';
typeahead[typeaheadlen++] = g_nMouseClick;
typeahead[typeaheadlen++] = g_xMouse + '!';
typeahead[typeaheadlen++] = g_yMouse + '!';
g_nMouseClick = -1;
}
else
#endif
{
char_u ch2 = NUL;
int modifiers = 0;
c = tgetch(&modifiers, &ch2);
if (typebuf_changed(tb_change_cnt))
{
/* "buf" may be invalid now if a client put something in the
* typeahead buffer and "buf" is in the typeahead buffer. */
typeaheadlen = 0;
break;
}
if (c == Ctrl_C && ctrl_c_interrupts)
{
#if defined(FEAT_CLIENTSERVER)
trash_input_buf();
#endif
got_int = TRUE;
}
#ifdef FEAT_MOUSE
if (g_nMouseClick == -1)
#endif
{
int n = 1;
/* A key may have one or two bytes. */
typeahead[typeaheadlen] = c;
if (ch2 != NUL)
{
typeahead[typeaheadlen + 1] = ch2;
++n;
}
#ifdef FEAT_MBYTE
/* Only convert normal characters, not special keys. Need to
* convert before applying ALT, otherwise mapping <M-x> breaks
* when 'tenc' is set. */
if (input_conv.vc_type != CONV_NONE
&& (ch2 == NUL || c != K_NUL))
n = convert_input(typeahead + typeaheadlen, n,
TYPEAHEADLEN - typeaheadlen);
#endif
/* Use the ALT key to set the 8th bit of the character
* when it's one byte, the 8th bit isn't set yet and not
* using a double-byte encoding (would become a lead
* byte). */
if ((modifiers & MOD_MASK_ALT)
&& n == 1
&& (typeahead[typeaheadlen] & 0x80) == 0
#ifdef FEAT_MBYTE
&& !enc_dbcs
#endif
)
{
typeahead[typeaheadlen] |= 0x80;
modifiers &= ~MOD_MASK_ALT;
}
if (modifiers != 0)
{
/* Prepend modifiers to the character. */
mch_memmove(typeahead + typeaheadlen + 3,
typeahead + typeaheadlen, n);
typeahead[typeaheadlen++] = K_SPECIAL;
typeahead[typeaheadlen++] = (char_u)KS_MODIFIER;
typeahead[typeaheadlen++] = modifiers;
}
typeaheadlen += n;
#ifdef MCH_WRITE_DUMP
if (fdDump)
fputc(c, fdDump);
#endif
}
}
}
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fputs("]\n", fdDump);
fflush(fdDump);
}
#endif
theend:
/* Move typeahead to "buf", as much as fits. */
len = 0;
while (len < maxlen && typeaheadlen > 0)
{
buf[len++] = typeahead[0];
mch_memmove(typeahead, typeahead + 1, --typeaheadlen);
}
return len;
#else /* FEAT_GUI_W32 */
return 0;
#endif /* FEAT_GUI_W32 */
}
#ifndef __MINGW32__
# include <shellapi.h> /* required for FindExecutable() */
#endif
/*
* Return TRUE if "name" is in $PATH.
* TODO: Should somehow check if it's really executable.
*/
static int
executable_exists(char *name)
{
char *dum;
char fname[_MAX_PATH];
#ifdef FEAT_MBYTE
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
{
WCHAR *p = enc_to_ucs2(name, NULL);
WCHAR fnamew[_MAX_PATH];
WCHAR *dumw;
long n;
if (p != NULL)
{
n = (long)SearchPathW(NULL, p, NULL, _MAX_PATH, fnamew, &dumw);
vim_free(p);
if (n > 0 || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
{
if (n == 0)
return FALSE;
if (GetFileAttributesW(fnamew) & FILE_ATTRIBUTE_DIRECTORY)
return FALSE;
return TRUE;
}
/* Retry with non-wide function (for Windows 98). */
}
}
#endif
if (SearchPath(NULL, name, NULL, _MAX_PATH, fname, &dum) == 0)
return FALSE;
if (mch_isdir(fname))
return FALSE;
return TRUE;
}
#ifdef FEAT_GUI_W32
/*
* GUI version of mch_init().
*/
void
mch_init(void)
{
#ifndef __MINGW32__
extern int _fmode;
#endif
/* Let critical errors result in a failure, not in a dialog box. Required
* for the timestamp test to work on removed floppies. */
SetErrorMode(SEM_FAILCRITICALERRORS);
_fmode = O_BINARY; /* we do our own CR-LF translation */
/* Specify window size. Is there a place to get the default from? */
Rows = 25;
Columns = 80;
/* Look for 'vimrun' */
if (!gui_is_win32s())
{
char_u vimrun_location[_MAX_PATH + 4];
/* First try in same directory as gvim.exe */
STRCPY(vimrun_location, exe_name);
STRCPY(gettail(vimrun_location), "vimrun.exe");
if (mch_getperm(vimrun_location) >= 0)
{
if (*skiptowhite(vimrun_location) != NUL)
{
/* Enclose path with white space in double quotes. */
mch_memmove(vimrun_location + 1, vimrun_location,
STRLEN(vimrun_location) + 1);
*vimrun_location = '"';
STRCPY(gettail(vimrun_location), "vimrun\" ");
}
else
STRCPY(gettail(vimrun_location), "vimrun ");
vimrun_path = (char *)vim_strsave(vimrun_location);
s_dont_use_vimrun = FALSE;
}
else if (executable_exists("vimrun.exe"))
s_dont_use_vimrun = FALSE;
/* Don't give the warning for a missing vimrun.exe right now, but only
* when vimrun was supposed to be used. Don't bother people that do
* not need vimrun.exe. */
if (s_dont_use_vimrun)
need_vimrun_warning = TRUE;
}
/*
* If "finstr.exe" doesn't exist, use "grep -n" for 'grepprg'.
* Otherwise the default "findstr /n" is used.
*/
if (!executable_exists("findstr.exe"))
set_option_value((char_u *)"grepprg", 0, (char_u *)"grep -n", 0);
#ifdef FEAT_CLIPBOARD
clip_init(TRUE);
/*
* Vim's own clipboard format recognises whether the text is char, line, or
* rectangular block. Only useful for copying between two Vims.
* "VimClipboard" was used for previous versions, using the first
* character to specify MCHAR, MLINE or MBLOCK.
*/
clip_star.format = RegisterClipboardFormat("VimClipboard2");
clip_star.format_raw = RegisterClipboardFormat("VimRawBytes");
#endif
}
#else /* FEAT_GUI_W32 */
#define SRWIDTH(sr) ((sr).Right - (sr).Left + 1)
#define SRHEIGHT(sr) ((sr).Bottom - (sr).Top + 1)
/*
* ClearConsoleBuffer()
* Description:
* Clears the entire contents of the console screen buffer, using the
* specified attribute.
* Returns:
* TRUE on success
*/
static BOOL
ClearConsoleBuffer(WORD wAttribute)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
COORD coord;
DWORD NumCells, dummy;
if (!GetConsoleScreenBufferInfo(g_hConOut, &csbi))
return FALSE;
NumCells = csbi.dwSize.X * csbi.dwSize.Y;
coord.X = 0;
coord.Y = 0;
if (!FillConsoleOutputCharacter(g_hConOut, ' ', NumCells,
coord, &dummy))
{
return FALSE;
}
if (!FillConsoleOutputAttribute(g_hConOut, wAttribute, NumCells,
coord, &dummy))
{
return FALSE;
}
return TRUE;
}
/*
* FitConsoleWindow()
* Description:
* Checks if the console window will fit within given buffer dimensions.
* Also, if requested, will shrink the window to fit.
* Returns:
* TRUE on success
*/
static BOOL
FitConsoleWindow(
COORD dwBufferSize,
BOOL WantAdjust)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
COORD dwWindowSize;
BOOL NeedAdjust = FALSE;
if (GetConsoleScreenBufferInfo(g_hConOut, &csbi))
{
/*
* A buffer resize will fail if the current console window does
* not lie completely within that buffer. To avoid this, we might
* have to move and possibly shrink the window.
*/
if (csbi.srWindow.Right >= dwBufferSize.X)
{
dwWindowSize.X = SRWIDTH(csbi.srWindow);
if (dwWindowSize.X > dwBufferSize.X)
dwWindowSize.X = dwBufferSize.X;
csbi.srWindow.Right = dwBufferSize.X - 1;
csbi.srWindow.Left = dwBufferSize.X - dwWindowSize.X;
NeedAdjust = TRUE;
}
if (csbi.srWindow.Bottom >= dwBufferSize.Y)
{
dwWindowSize.Y = SRHEIGHT(csbi.srWindow);
if (dwWindowSize.Y > dwBufferSize.Y)
dwWindowSize.Y = dwBufferSize.Y;
csbi.srWindow.Bottom = dwBufferSize.Y - 1;
csbi.srWindow.Top = dwBufferSize.Y - dwWindowSize.Y;
NeedAdjust = TRUE;
}
if (NeedAdjust && WantAdjust)
{
if (!SetConsoleWindowInfo(g_hConOut, TRUE, &csbi.srWindow))
return FALSE;
}
return TRUE;
}
return FALSE;
}
typedef struct ConsoleBufferStruct
{
BOOL IsValid;
CONSOLE_SCREEN_BUFFER_INFO Info;
PCHAR_INFO Buffer;
COORD BufferSize;
} ConsoleBuffer;
/*
* SaveConsoleBuffer()
* Description:
* Saves important information about the console buffer, including the
* actual buffer contents. The saved information is suitable for later
* restoration by RestoreConsoleBuffer().
* Returns:
* TRUE if all information was saved; FALSE otherwise
* If FALSE, still sets cb->IsValid if buffer characteristics were saved.
*/
static BOOL
SaveConsoleBuffer(
ConsoleBuffer *cb)
{
DWORD NumCells;
COORD BufferCoord;
SMALL_RECT ReadRegion;
WORD Y, Y_incr;
if (cb == NULL)
return FALSE;
if (!GetConsoleScreenBufferInfo(g_hConOut, &cb->Info))
{
cb->IsValid = FALSE;
return FALSE;
}
cb->IsValid = TRUE;
/*
* Allocate a buffer large enough to hold the entire console screen
* buffer. If this ConsoleBuffer structure has already been initialized
* with a buffer of the correct size, then just use that one.
*/
if (!cb->IsValid || cb->Buffer == NULL ||
cb->BufferSize.X != cb->Info.dwSize.X ||
cb->BufferSize.Y != cb->Info.dwSize.Y)
{
cb->BufferSize.X = cb->Info.dwSize.X;
cb->BufferSize.Y = cb->Info.dwSize.Y;
NumCells = cb->BufferSize.X * cb->BufferSize.Y;
if (cb->Buffer != NULL)
vim_free(cb->Buffer);
cb->Buffer = (PCHAR_INFO)alloc(NumCells * sizeof(CHAR_INFO));
if (cb->Buffer == NULL)
return FALSE;
}
/*
* We will now copy the console screen buffer into our buffer.
* ReadConsoleOutput() seems to be limited as far as how much you
* can read at a time. Empirically, this number seems to be about
* 12000 cells (rows * columns). Start at position (0, 0) and copy
* in chunks until it is all copied. The chunks will all have the
* same horizontal characteristics, so initialize them now. The
* height of each chunk will be (12000 / width).
*/
BufferCoord.X = 0;
ReadRegion.Left = 0;
ReadRegion.Right = cb->Info.dwSize.X - 1;
Y_incr = 12000 / cb->Info.dwSize.X;
for (Y = 0; Y < cb->BufferSize.Y; Y += Y_incr)
{
/*
* Read into position (0, Y) in our buffer.
*/
BufferCoord.Y = Y;
/*
* Read the region whose top left corner is (0, Y) and whose bottom
* right corner is (width - 1, Y + Y_incr - 1). This should define
* a region of size width by Y_incr. Don't worry if this region is
* too large for the remaining buffer; it will be cropped.
*/
ReadRegion.Top = Y;
ReadRegion.Bottom = Y + Y_incr - 1;
if (!ReadConsoleOutput(g_hConOut, /* output handle */
cb->Buffer, /* our buffer */
cb->BufferSize, /* dimensions of our buffer */
BufferCoord, /* offset in our buffer */
&ReadRegion)) /* region to save */
{
vim_free(cb->Buffer);
cb->Buffer = NULL;
return FALSE;
}
}
return TRUE;
}
/*
* RestoreConsoleBuffer()
* Description:
* Restores important information about the console buffer, including the
* actual buffer contents, if desired. The information to restore is in
* the same format used by SaveConsoleBuffer().
* Returns:
* TRUE on success
*/
static BOOL
RestoreConsoleBuffer(
ConsoleBuffer *cb,
BOOL RestoreScreen)
{
COORD BufferCoord;
SMALL_RECT WriteRegion;
if (cb == NULL || !cb->IsValid)
return FALSE;
/*
* Before restoring the buffer contents, clear the current buffer, and
* restore the cursor position and window information. Doing this now
* prevents old buffer contents from "flashing" onto the screen.
*/
if (RestoreScreen)
ClearConsoleBuffer(cb->Info.wAttributes);
FitConsoleWindow(cb->Info.dwSize, TRUE);
if (!SetConsoleScreenBufferSize(g_hConOut, cb->Info.dwSize))
return FALSE;
if (!SetConsoleTextAttribute(g_hConOut, cb->Info.wAttributes))
return FALSE;
if (!RestoreScreen)
{
/*
* No need to restore the screen buffer contents, so we're done.
*/
return TRUE;
}
if (!SetConsoleCursorPosition(g_hConOut, cb->Info.dwCursorPosition))
return FALSE;
if (!SetConsoleWindowInfo(g_hConOut, TRUE, &cb->Info.srWindow))
return FALSE;
/*
* Restore the screen buffer contents.
*/
if (cb->Buffer != NULL)
{
BufferCoord.X = 0;
BufferCoord.Y = 0;
WriteRegion.Left = 0;
WriteRegion.Top = 0;
WriteRegion.Right = cb->Info.dwSize.X - 1;
WriteRegion.Bottom = cb->Info.dwSize.Y - 1;
if (!WriteConsoleOutput(g_hConOut, /* output handle */
cb->Buffer, /* our buffer */
cb->BufferSize, /* dimensions of our buffer */
BufferCoord, /* offset in our buffer */
&WriteRegion)) /* region to restore */
{
return FALSE;
}
}
return TRUE;
}
#ifdef FEAT_RESTORE_ORIG_SCREEN
static ConsoleBuffer g_cbOrig = { 0 };
#endif
static ConsoleBuffer g_cbNonTermcap = { 0 };
static ConsoleBuffer g_cbTermcap = { 0 };
#ifdef FEAT_TITLE
#ifdef __BORLANDC__
typedef HWND (__stdcall *GETCONSOLEWINDOWPROC)(VOID);
#else
typedef WINBASEAPI HWND (WINAPI *GETCONSOLEWINDOWPROC)(VOID);
#endif
char g_szOrigTitle[256] = { 0 };
HWND g_hWnd = NULL; /* also used in os_mswin.c */
static HICON g_hOrigIconSmall = NULL;
static HICON g_hOrigIcon = NULL;
static HICON g_hVimIcon = NULL;
static BOOL g_fCanChangeIcon = FALSE;
/* ICON* are not defined in VC++ 4.0 */
#ifndef ICON_SMALL
#define ICON_SMALL 0
#endif
#ifndef ICON_BIG
#define ICON_BIG 1
#endif
/*
* GetConsoleIcon()
* Description:
* Attempts to retrieve the small icon and/or the big icon currently in
* use by a given window.
* Returns:
* TRUE on success
*/
static BOOL
GetConsoleIcon(
HWND hWnd,
HICON *phIconSmall,
HICON *phIcon)
{
if (hWnd == NULL)
return FALSE;
if (phIconSmall != NULL)
*phIconSmall = (HICON)SendMessage(hWnd, WM_GETICON,
(WPARAM)ICON_SMALL, (LPARAM)0);
if (phIcon != NULL)
*phIcon = (HICON)SendMessage(hWnd, WM_GETICON,
(WPARAM)ICON_BIG, (LPARAM)0);
return TRUE;
}
/*
* SetConsoleIcon()
* Description:
* Attempts to change the small icon and/or the big icon currently in
* use by a given window.
* Returns:
* TRUE on success
*/
static BOOL
SetConsoleIcon(
HWND hWnd,
HICON hIconSmall,
HICON hIcon)
{
HICON hPrevIconSmall;
HICON hPrevIcon;
if (hWnd == NULL)
return FALSE;
if (hIconSmall != NULL)
hPrevIconSmall = (HICON)SendMessage(hWnd, WM_SETICON,
(WPARAM)ICON_SMALL, (LPARAM)hIconSmall);
if (hIcon != NULL)
hPrevIcon = (HICON)SendMessage(hWnd, WM_SETICON,
(WPARAM)ICON_BIG,(LPARAM) hIcon);
return TRUE;
}
/*
* SaveConsoleTitleAndIcon()
* Description:
* Saves the current console window title in g_szOrigTitle, for later
* restoration. Also, attempts to obtain a handle to the console window,
* and use it to save the small and big icons currently in use by the
* console window. This is not always possible on some versions of Windows;
* nor is it possible when running Vim remotely using Telnet (since the
* console window the user sees is owned by a remote process).
*/
static void
SaveConsoleTitleAndIcon(void)
{
GETCONSOLEWINDOWPROC GetConsoleWindowProc;
/* Save the original title. */
if (!GetConsoleTitle(g_szOrigTitle, sizeof(g_szOrigTitle)))
return;
/*
* Obtain a handle to the console window using GetConsoleWindow() from
* KERNEL32.DLL; we need to handle in order to change the window icon.
* This function only exists on NT-based Windows, starting with Windows
* 2000. On older operating systems, we can't change the window icon
* anyway.
*/
if ((GetConsoleWindowProc = (GETCONSOLEWINDOWPROC)
GetProcAddress(GetModuleHandle("KERNEL32.DLL"),
"GetConsoleWindow")) != NULL)
{
g_hWnd = (*GetConsoleWindowProc)();
}
if (g_hWnd == NULL)
return;
/* Save the original console window icon. */
GetConsoleIcon(g_hWnd, &g_hOrigIconSmall, &g_hOrigIcon);
if (g_hOrigIconSmall == NULL || g_hOrigIcon == NULL)
return;
/* Extract the first icon contained in the Vim executable. */
g_hVimIcon = ExtractIcon(NULL, exe_name, 0);
if (g_hVimIcon != NULL)
g_fCanChangeIcon = TRUE;
}
#endif
static int g_fWindInitCalled = FALSE;
static int g_fTermcapMode = FALSE;
static CONSOLE_CURSOR_INFO g_cci;
static DWORD g_cmodein = 0;
static DWORD g_cmodeout = 0;
/*
* non-GUI version of mch_init().
*/
void
mch_init(void)
{
#ifndef FEAT_RESTORE_ORIG_SCREEN
CONSOLE_SCREEN_BUFFER_INFO csbi;
#endif
#ifndef __MINGW32__
extern int _fmode;
#endif
/* Let critical errors result in a failure, not in a dialog box. Required
* for the timestamp test to work on removed floppies. */
SetErrorMode(SEM_FAILCRITICALERRORS);
_fmode = O_BINARY; /* we do our own CR-LF translation */
out_flush();
/* Obtain handles for the standard Console I/O devices */
if (read_cmd_fd == 0)
g_hConIn = GetStdHandle(STD_INPUT_HANDLE);
else
create_conin();
g_hConOut = GetStdHandle(STD_OUTPUT_HANDLE);
#ifdef FEAT_RESTORE_ORIG_SCREEN
/* Save the initial console buffer for later restoration */
SaveConsoleBuffer(&g_cbOrig);
g_attrCurrent = g_attrDefault = g_cbOrig.Info.wAttributes;
#else
/* Get current text attributes */
GetConsoleScreenBufferInfo(g_hConOut, &csbi);
g_attrCurrent = g_attrDefault = csbi.wAttributes;
#endif
if (cterm_normal_fg_color == 0)
cterm_normal_fg_color = (g_attrCurrent & 0xf) + 1;
if (cterm_normal_bg_color == 0)
cterm_normal_bg_color = ((g_attrCurrent >> 4) & 0xf) + 1;
/* set termcap codes to current text attributes */
update_tcap(g_attrCurrent);
GetConsoleCursorInfo(g_hConOut, &g_cci);
GetConsoleMode(g_hConIn, &g_cmodein);
GetConsoleMode(g_hConOut, &g_cmodeout);
#ifdef FEAT_TITLE
SaveConsoleTitleAndIcon();
/*
* Set both the small and big icons of the console window to Vim's icon.
* Note that Vim presently only has one size of icon (32x32), but it
* automatically gets scaled down to 16x16 when setting the small icon.
*/
if (g_fCanChangeIcon)
SetConsoleIcon(g_hWnd, g_hVimIcon, g_hVimIcon);
#endif
ui_get_shellsize();
#ifdef MCH_WRITE_DUMP
fdDump = fopen("dump", "wt");
if (fdDump)
{
time_t t;
time(&t);
fputs(ctime(&t), fdDump);
fflush(fdDump);
}
#endif
g_fWindInitCalled = TRUE;
#ifdef FEAT_MOUSE
g_fMouseAvail = GetSystemMetrics(SM_MOUSEPRESENT);
#endif
#ifdef FEAT_CLIPBOARD
clip_init(TRUE);
/*
* Vim's own clipboard format recognises whether the text is char, line, or
* rectangular block. Only useful for copying between two Vims.
* "VimClipboard" was used for previous versions, using the first
* character to specify MCHAR, MLINE or MBLOCK.
*/
clip_star.format = RegisterClipboardFormat("VimClipboard2");
clip_star.format_raw = RegisterClipboardFormat("VimRawBytes");
#endif
/* This will be NULL on anything but NT 4.0 */
s_pfnGetConsoleKeyboardLayoutName =
(PFNGCKLN) GetProcAddress(GetModuleHandle("kernel32.dll"),
"GetConsoleKeyboardLayoutNameA");
}
/*
* non-GUI version of mch_exit().
* Shut down and exit with status `r'
* Careful: mch_exit() may be called before mch_init()!
*/
void
mch_exit(int r)
{
stoptermcap();
if (g_fWindInitCalled)
settmode(TMODE_COOK);
ml_close_all(TRUE); /* remove all memfiles */
if (g_fWindInitCalled)
{
#ifdef FEAT_TITLE
mch_restore_title(3);
/*
* Restore both the small and big icons of the console window to
* what they were at startup. Don't do this when the window is
* closed, Vim would hang here.
*/
if (g_fCanChangeIcon && !g_fForceExit)
SetConsoleIcon(g_hWnd, g_hOrigIconSmall, g_hOrigIcon);
#endif
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
time_t t;
time(&t);
fputs(ctime(&t), fdDump);
fclose(fdDump);
}
fdDump = NULL;
#endif
}
SetConsoleCursorInfo(g_hConOut, &g_cci);
SetConsoleMode(g_hConIn, g_cmodein);
SetConsoleMode(g_hConOut, g_cmodeout);
#ifdef DYNAMIC_GETTEXT
dyn_libintl_end();
#endif
exit(r);
}
#endif /* !FEAT_GUI_W32 */
/*
* Do we have an interactive window?
*/
/*ARGSUSED*/
int
mch_check_win(
int argc,
char **argv)
{
get_exe_name();
#ifdef FEAT_GUI_W32
return OK; /* GUI always has a tty */
#else
if (isatty(1))
return OK;
return FAIL;
#endif
}
/*
* fname_case(): Set the case of the file name, if it already exists.
* When "len" is > 0, also expand short to long filenames.
*/
void
fname_case(
char_u *name,
int len)
{
char szTrueName[_MAX_PATH + 2];
char *ptrue, *ptruePrev;
char *porig, *porigPrev;
int flen;
WIN32_FIND_DATA fb;
HANDLE hFind;
int c;
flen = (name != NULL) ? (int)STRLEN(name) : 0;
if (flen == 0 || flen > _MAX_PATH)
return;
slash_adjust(name);
/* Build the new name in szTrueName[] one component at a time. */
porig = name;
ptrue = szTrueName;
if (isalpha(porig[0]) && porig[1] == ':')
{
/* copy leading drive letter */
*ptrue++ = *porig++;
*ptrue++ = *porig++;
*ptrue = NUL; /* in case nothing follows */
}
while (*porig != NUL)
{
/* copy \ characters */
while (*porig == psepc)
*ptrue++ = *porig++;
ptruePrev = ptrue;
porigPrev = porig;
while (*porig != NUL && *porig != psepc)
{
#ifdef FEAT_MBYTE
int l;
if (enc_dbcs)
{
l = (*mb_ptr2len_check)(porig);
while (--l >= 0)
*ptrue++ = *porig++;
}
else
#endif
*ptrue++ = *porig++;
}
*ptrue = NUL;
/* Skip "", "." and "..". */
if (ptrue > ptruePrev
&& (ptruePrev[0] != '.'
|| (ptruePrev[1] != NUL
&& (ptruePrev[1] != '.' || ptruePrev[2] != NUL)))
&& (hFind = FindFirstFile(szTrueName, &fb))
!= INVALID_HANDLE_VALUE)
{
c = *porig;
*porig = NUL;
/* Only use the match when it's the same name (ignoring case) or
* expansion is allowed and there is a match with the short name
* and there is enough room. */
if (_stricoll(porigPrev, fb.cFileName) == 0
|| (len > 0
&& (_stricoll(porigPrev, fb.cAlternateFileName) == 0
&& (int)(ptruePrev - szTrueName)
+ (int)strlen(fb.cFileName) < len)))
{
STRCPY(ptruePrev, fb.cFileName);
/* Look for exact match and prefer it if found. Must be a
* long name, otherwise there would be only one match. */
while (FindNextFile(hFind, &fb))
{
if (*fb.cAlternateFileName != NUL
&& (strcoll(porigPrev, fb.cFileName) == 0
|| (len > 0
&& (_stricoll(porigPrev,
fb.cAlternateFileName) == 0
&& (int)(ptruePrev - szTrueName)
+ (int)strlen(fb.cFileName) < len))))
{
STRCPY(ptruePrev, fb.cFileName);
break;
}
}
}
FindClose(hFind);
*porig = c;
ptrue = ptruePrev + strlen(ptruePrev);
}
}
STRCPY(name, szTrueName);
}
/*
* Insert user name in s[len].
*/
int
mch_get_user_name(
char_u *s,
int len)
{
char szUserName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD cch = sizeof szUserName;
if (GetUserName(szUserName, &cch))
{
STRNCPY(s, szUserName, len);
return OK;
}
s[0] = NUL;
return FAIL;
}
/*
* Insert host name in s[len].
*/
void
mch_get_host_name(
char_u *s,
int len)
{
DWORD cch = len;
if (!GetComputerName(s, &cch))
{
STRNCPY(s, "PC (Win32 Vim)", len);
s[len - 1] = NUL; /* make sure it's terminated */
}
}
/*
* return process ID
*/
long
mch_get_pid(void)
{
return (long)GetCurrentProcessId();
}
/*
* Get name of current directory into buffer 'buf' of length 'len' bytes.
* Return OK for success, FAIL for failure.
*/
int
mch_dirname(
char_u *buf,
int len)
{
/*
* Originally this was:
* return (getcwd(buf, len) != NULL ? OK : FAIL);
* But the Win32s known bug list says that getcwd() doesn't work
* so use the Win32 system call instead. <Negri>
*/
#ifdef FEAT_MBYTE
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
{
WCHAR wbuf[_MAX_PATH + 1];
if (GetCurrentDirectoryW(_MAX_PATH, wbuf) != 0)
{
char_u *p = ucs2_to_enc(wbuf, NULL);
if (p != NULL)
{
STRNCPY(buf, p, len - 1);
buf[len - 1] = NUL;
vim_free(p);
return OK;
}
}
/* Retry with non-wide function (for Windows 98). */
}
#endif
return (GetCurrentDirectory(len, buf) != 0 ? OK : FAIL);
}
/*
* get file permissions for `name'
* -1 : error
* else FILE_ATTRIBUTE_* defined in winnt.h
*/
long
mch_getperm(char_u *name)
{
#ifdef FEAT_MBYTE
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
{
WCHAR *p = enc_to_ucs2(name, NULL);
long n;
if (p != NULL)
{
n = (long)GetFileAttributesW(p);
vim_free(p);
if (n >= 0 || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
return n;
/* Retry with non-wide function (for Windows 98). */
}
}
#endif
return (long)GetFileAttributes((char *)name);
}
/*
* set file permission for `name' to `perm'
*/
int
mch_setperm(
char_u *name,
long perm)
{
perm |= FILE_ATTRIBUTE_ARCHIVE; /* file has changed, set archive bit */
#ifdef FEAT_MBYTE
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
{
WCHAR *p = enc_to_ucs2(name, NULL);
long n;
if (p != NULL)
{
n = (long)SetFileAttributesW(p, perm);
vim_free(p);
if (n || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
return n ? OK : FAIL;
/* Retry with non-wide function (for Windows 98). */
}
}
#endif
return SetFileAttributes((char *)name, perm) ? OK : FAIL;
}
/*
* Set hidden flag for "name".
*/
void
mch_hide(char_u *name)
{
int perm;
#ifdef FEAT_MBYTE
WCHAR *p = NULL;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
p = enc_to_ucs2(name, NULL);
#endif
#ifdef FEAT_MBYTE
if (p != NULL)
{
perm = GetFileAttributesW(p);
if (perm < 0 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
{
/* Retry with non-wide function (for Windows 98). */
vim_free(p);
p = NULL;
}
}
if (p == NULL)
#endif
perm = GetFileAttributes((char *)name);
if (perm >= 0)
{
perm |= FILE_ATTRIBUTE_HIDDEN;
#ifdef FEAT_MBYTE
if (p != NULL)
{
if (SetFileAttributesW(p, perm) == 0
&& GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
{
/* Retry with non-wide function (for Windows 98). */
vim_free(p);
p = NULL;
}
}
if (p == NULL)
#endif
SetFileAttributes((char *)name, perm);
}
#ifdef FEAT_MBYTE
vim_free(p);
#endif
}
/*
* return TRUE if "name" is a directory
* return FALSE if "name" is not a directory or upon error
*/
int
mch_isdir(char_u *name)
{
int f = mch_getperm(name);
if (f == -1)
return FALSE; /* file does not exist at all */
return (f & FILE_ATTRIBUTE_DIRECTORY) != 0;
}
/*
* Return TRUE if file or directory "name" is writable (not readonly).
* Strange semantics of Win32: a readonly directory is writable, but you can't
* delete a file. Let's say this means it is writable.
*/
int
mch_writable(char_u *name)
{
int perm = mch_getperm(name);
return (perm != -1 && (!(perm & FILE_ATTRIBUTE_READONLY)
|| (perm & FILE_ATTRIBUTE_DIRECTORY)));
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Return 1 if "name" can be executed, 0 if not.
* Return -1 if unknown.
*/
int
mch_can_exe(char_u *name)
{
char_u buf[_MAX_PATH];
int len = STRLEN(name);
char_u *p;
if (len >= _MAX_PATH) /* safety check */
return FALSE;
/* If there already is an extension try using the name directly. Also do
* this with a Unix-shell like 'shell'. */
if (vim_strchr(gettail(name), '.') != NULL
|| strstr((char *)gettail(p_sh), "sh") != NULL)
if (executable_exists((char *)name))
return TRUE;
/*
* Loop over all extensions in $PATHEXT.
*/
STRNCPY(buf, name, _MAX_PATH);
p = mch_getenv("PATHEXT");
if (p == NULL)
p = (char_u *)".com;.exe;.bat;.cmd";
while (*p)
{
if (p[0] == '.' && (p[1] == NUL || p[1] == ';'))
{
/* A single "." means no extension is added. */
buf[len] = NUL;
++p;
if (*p)
++p;
}
else
copy_option_part(&p, buf + len, _MAX_PATH - len, ";");
if (executable_exists((char *)buf))
return TRUE;
}
return FALSE;
}
#endif
/*
* Check what "name" is:
* NODE_NORMAL: file or directory (or doesn't exist)
* NODE_WRITABLE: writable device, socket, fifo, etc.
* NODE_OTHER: non-writable things
*/
int
mch_nodetype(char_u *name)
{
HANDLE hFile;
int type;
hFile = CreateFile(name, /* file name */
GENERIC_WRITE, /* access mode */
0, /* share mode */
NULL, /* security descriptor */
OPEN_EXISTING, /* creation disposition */
0, /* file attributes */
NULL); /* handle to template file */
if (hFile == INVALID_HANDLE_VALUE)
return NODE_NORMAL;
type = GetFileType(hFile);
CloseHandle(hFile);
if (type == FILE_TYPE_CHAR)
return NODE_WRITABLE;
if (type == FILE_TYPE_DISK)
return NODE_NORMAL;
return NODE_OTHER;
}
#ifdef HAVE_ACL
struct my_acl
{
PSECURITY_DESCRIPTOR pSecurityDescriptor;
PSID pSidOwner;
PSID pSidGroup;
PACL pDacl;
PACL pSacl;
};
#endif
/*
* Return a pointer to the ACL of file "fname" in allocated memory.
* Return NULL if the ACL is not available for whatever reason.
*/
vim_acl_T
mch_get_acl(char_u *fname)
{
#ifndef HAVE_ACL
return (vim_acl_T)NULL;
#else
struct my_acl *p = NULL;
/* This only works on Windows NT and 2000. */
if (g_PlatformId == VER_PLATFORM_WIN32_NT && advapi_lib != NULL)
{
p = (struct my_acl *)alloc_clear((unsigned)sizeof(struct my_acl));
if (p != NULL)
{
if (pGetNamedSecurityInfo(
(LPTSTR)fname, // Abstract filename
SE_FILE_OBJECT, // File Object
// Retrieve the entire security descriptor.
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION |
SACL_SECURITY_INFORMATION,
&p->pSidOwner, // Ownership information.
&p->pSidGroup, // Group membership.
&p->pDacl, // Discretionary information.
&p->pSacl, // For auditing purposes.
&p->pSecurityDescriptor
) != ERROR_SUCCESS)
{
mch_free_acl((vim_acl_T)p);
p = NULL;
}
}
}
return (vim_acl_T)p;
#endif
}
/*
* Set the ACL of file "fname" to "acl" (unless it's NULL).
* Errors are ignored.
* This must only be called with "acl" equal to what mch_get_acl() returned.
*/
void
mch_set_acl(char_u *fname, vim_acl_T acl)
{
#ifdef HAVE_ACL
struct my_acl *p = (struct my_acl *)acl;
if (p != NULL && advapi_lib != NULL)
(void)pSetNamedSecurityInfo(
(LPTSTR)fname, // Abstract filename
SE_FILE_OBJECT, // File Object
// Retrieve the entire security descriptor.
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION |
SACL_SECURITY_INFORMATION,
p->pSidOwner, // Ownership information.
p->pSidGroup, // Group membership.
p->pDacl, // Discretionary information.
p->pSacl // For auditing purposes.
);
#endif
}
void
mch_free_acl(vim_acl_T acl)
{
#ifdef HAVE_ACL
struct my_acl *p = (struct my_acl *)acl;
if (p != NULL)
{
LocalFree(p->pSecurityDescriptor); // Free the memory just in case
vim_free(p);
}
#endif
}
#ifndef FEAT_GUI_W32
/*
* handler for ctrl-break, ctrl-c interrupts, and fatal events.
*/
static BOOL WINAPI
handler_routine(
DWORD dwCtrlType)
{
switch (dwCtrlType)
{
case CTRL_C_EVENT:
if (ctrl_c_interrupts)
g_fCtrlCPressed = TRUE;
return TRUE;
case CTRL_BREAK_EVENT:
g_fCBrkPressed = TRUE;
return TRUE;
/* fatal events: shut down gracefully */
case CTRL_CLOSE_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
windgoto((int)Rows - 1, 0);
g_fForceExit = TRUE;
sprintf((char *)IObuff, _("Vim: Caught %s event\n"),
(dwCtrlType == CTRL_CLOSE_EVENT
? _("close")
: dwCtrlType == CTRL_LOGOFF_EVENT
? _("logoff")
: _("shutdown")));
#ifdef DEBUG
OutputDebugString(IObuff);
#endif
preserve_exit(); /* output IObuff, preserve files and exit */
return TRUE; /* not reached */
default:
return FALSE;
}
}
/*
* set the tty in (raw) ? "raw" : "cooked" mode
*/
void
mch_settmode(int tmode)
{
DWORD cmodein;
DWORD cmodeout;
BOOL bEnableHandler;
GetConsoleMode(g_hConIn, &cmodein);
GetConsoleMode(g_hConOut, &cmodeout);
if (tmode == TMODE_RAW)
{
cmodein &= ~(ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT |
ENABLE_ECHO_INPUT);
#ifdef FEAT_MOUSE
if (g_fMouseActive)
cmodein |= ENABLE_MOUSE_INPUT;
#endif
cmodeout &= ~(ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT);
bEnableHandler = TRUE;
}
else /* cooked */
{
cmodein |= (ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT |
ENABLE_ECHO_INPUT);
cmodeout |= (ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT);
bEnableHandler = FALSE;
}
SetConsoleMode(g_hConIn, cmodein);
SetConsoleMode(g_hConOut, cmodeout);
SetConsoleCtrlHandler(handler_routine, bEnableHandler);
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fprintf(fdDump, "mch_settmode(%s, in = %x, out = %x)\n",
tmode == TMODE_RAW ? "raw" :
tmode == TMODE_COOK ? "cooked" : "normal",
cmodein, cmodeout);
fflush(fdDump);
}
#endif
}
/*
* Get the size of the current window in `Rows' and `Columns'
* Return OK when size could be determined, FAIL otherwise.
*/
int
mch_get_shellsize(void)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (!g_fTermcapMode && g_cbTermcap.IsValid)
{
/*
* For some reason, we are trying to get the screen dimensions
* even though we are not in termcap mode. The 'Rows' and 'Columns'
* variables are really intended to mean the size of Vim screen
* while in termcap mode.
*/
Rows = g_cbTermcap.Info.dwSize.Y;
Columns = g_cbTermcap.Info.dwSize.X;
}
else if (GetConsoleScreenBufferInfo(g_hConOut, &csbi))
{
Rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
Columns = csbi.srWindow.Right - csbi.srWindow.Left + 1;
}
else
{
Rows = 25;
Columns = 80;
}
return OK;
}
/*
* Set a console window to `xSize' * `ySize'
*/
static void
ResizeConBufAndWindow(
HANDLE hConsole,
int xSize,
int ySize)
{
CONSOLE_SCREEN_BUFFER_INFO csbi; /* hold current console buffer info */
SMALL_RECT srWindowRect; /* hold the new console size */
COORD coordScreen;
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fprintf(fdDump, "ResizeConBufAndWindow(%d, %d)\n", xSize, ySize);
fflush(fdDump);
}
#endif
/* get the largest size we can size the console window to */
coordScreen = GetLargestConsoleWindowSize(hConsole);
/* define the new console window size and scroll position */
srWindowRect.Left = srWindowRect.Top = (SHORT) 0;
srWindowRect.Right = (SHORT) (min(xSize, coordScreen.X) - 1);
srWindowRect.Bottom = (SHORT) (min(ySize, coordScreen.Y) - 1);
if (GetConsoleScreenBufferInfo(g_hConOut, &csbi))
{
int sx, sy;
sx = csbi.srWindow.Right - csbi.srWindow.Left + 1;
sy = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
if (sy < ySize || sx < xSize)
{
/*
* Increasing number of lines/columns, do buffer first.
* Use the maximal size in x and y direction.
*/
if (sy < ySize)
coordScreen.Y = ySize;
else
coordScreen.Y = sy;
if (sx < xSize)
coordScreen.X = xSize;
else
coordScreen.X = sx;
SetConsoleScreenBufferSize(hConsole, coordScreen);
}
}
if (!SetConsoleWindowInfo(g_hConOut, TRUE, &srWindowRect))
{
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fprintf(fdDump, "SetConsoleWindowInfo failed: %lx\n",
GetLastError());
fflush(fdDump);
}
#endif
}
/* define the new console buffer size */
coordScreen.X = xSize;
coordScreen.Y = ySize;
if (!SetConsoleScreenBufferSize(hConsole, coordScreen))
{
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fprintf(fdDump, "SetConsoleScreenBufferSize failed: %lx\n",
GetLastError());
fflush(fdDump);
}
#endif
}
}
/*
* Set the console window to `Rows' * `Columns'
*/
void
mch_set_shellsize(void)
{
COORD coordScreen;
/* Don't change window size while still starting up */
if (suppress_winsize != 0)
{
suppress_winsize = 2;
return;
}
if (term_console)
{
coordScreen = GetLargestConsoleWindowSize(g_hConOut);
/* Clamp Rows and Columns to reasonable values */
if (Rows > coordScreen.Y)
Rows = coordScreen.Y;
if (Columns > coordScreen.X)
Columns = coordScreen.X;
ResizeConBufAndWindow(g_hConOut, Columns, Rows);
}
}
/*
* Rows and/or Columns has changed.
*/
void
mch_new_shellsize(void)
{
set_scroll_region(0, 0, Columns - 1, Rows - 1);
}
/*
* Called when started up, to set the winsize that was delayed.
*/
void
mch_set_winsize_now(void)
{
if (suppress_winsize == 2)
{
suppress_winsize = 0;
mch_set_shellsize();
shell_resized();
}
suppress_winsize = 0;
}
#endif /* FEAT_GUI_W32 */
#if defined(FEAT_GUI_W32) || defined(PROTO)
/*
* Specialised version of system() for Win32 GUI mode.
* This version proceeds as follows:
* 1. Create a console window for use by the subprocess
* 2. Run the subprocess (it gets the allocated console by default)
* 3. Wait for the subprocess to terminate and get its exit code
* 4. Prompt the user to press a key to close the console window
*/
static int
mch_system(char *cmd, int options)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
DWORD ret = 0;
HWND hwnd = GetFocus();
si.cb = sizeof(si);
si.lpReserved = NULL;
si.lpDesktop = NULL;
si.lpTitle = NULL;
si.dwFlags = STARTF_USESHOWWINDOW;
/*
* It's nicer to run a filter command in a minimized window, but in
* Windows 95 this makes the command MUCH slower. We can't do it under
* Win32s either as it stops the synchronous spawn workaround working.
*/
if ((options & SHELL_DOOUT) && !mch_windows95() && !gui_is_win32s())
si.wShowWindow = SW_SHOWMINIMIZED;
else
si.wShowWindow = SW_SHOWNORMAL;
si.cbReserved2 = 0;
si.lpReserved2 = NULL;
/* There is a strange error on Windows 95 when using "c:\\command.com".
* When the "c:\\" is left out it works OK...? */
if (mch_windows95()
&& (STRNICMP(cmd, "c:/command.com", 14) == 0
|| STRNICMP(cmd, "c:\\command.com", 14) == 0))
cmd += 3;
/* Now, run the command */
CreateProcess(NULL, /* Executable name */
cmd, /* Command to execute */
NULL, /* Process security attributes */
NULL, /* Thread security attributes */
FALSE, /* Inherit handles */
CREATE_DEFAULT_ERROR_MODE | /* Creation flags */
CREATE_NEW_CONSOLE,
NULL, /* Environment */
NULL, /* Current directory */
&si, /* Startup information */
&pi); /* Process information */
/* Wait for the command to terminate before continuing */
if (g_PlatformId != VER_PLATFORM_WIN32s)
{
#ifdef FEAT_GUI
int delay = 1;
/* Keep updating the window while waiting for the shell to finish. */
for (;;)
{
MSG msg;
if (PeekMessage(&msg, (HWND)NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (WaitForSingleObject(pi.hProcess, delay) != WAIT_TIMEOUT)
break;
/* We start waiting for a very short time and then increase it, so
* that we respond quickly when the process is quick, and don't
* consume too much overhead when it's slow. */
if (delay < 50)
delay += 10;
}
#else
WaitForSingleObject(pi.hProcess, INFINITE);
#endif
/* Get the command exit code */
GetExitCodeProcess(pi.hProcess, &ret);
}
else
{
/*
* This ugly code is the only quick way of performing
* a synchronous spawn under Win32s. Yuk.
*/
num_windows = 0;
EnumWindows(win32ssynch_cb, 0);
old_num_windows = num_windows;
do
{
Sleep(1000);
num_windows = 0;
EnumWindows(win32ssynch_cb, 0);
} while (num_windows == old_num_windows);
ret = 0;
}
/* Close the handles to the subprocess, so that it goes away */
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
/* Try to get input focus back. Doesn't always work though. */
PostMessage(hwnd, WM_SETFOCUS, 0, 0);
return ret;
}
#else
# define mch_system(c, o) system(c)
#endif
/*
* Either execute a command by calling the shell or start a new shell
*/
int
mch_call_shell(
char_u *cmd,
int options) /* SHELL_*, see vim.h */
{
int x = 0;
int tmode = cur_tmode;
#ifdef FEAT_TITLE
char szShellTitle[512];
/* Change the title to reflect that we are in a subshell. */
if (GetConsoleTitle(szShellTitle, sizeof(szShellTitle) - 4) > 0)
{
if (cmd == NULL)
strcat(szShellTitle, " :sh");
else
{
strcat(szShellTitle, " - !");
if ((strlen(szShellTitle) + strlen(cmd) < sizeof(szShellTitle)))
strcat(szShellTitle, cmd);
}
mch_settitle(szShellTitle, NULL);
}
#endif
out_flush();
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fprintf(fdDump, "mch_call_shell(\"%s\", %d)\n", cmd, options);
fflush(fdDump);
}
#endif
/*
* Catch all deadly signals while running the external command, because a
* CTRL-C, Ctrl-Break or illegal instruction might otherwise kill us.
*/
signal(SIGINT, SIG_IGN);
#if defined(__GNUC__) && !defined(__MINGW32__)
signal(SIGKILL, SIG_IGN);
#else
signal(SIGBREAK, SIG_IGN);
#endif
signal(SIGILL, SIG_IGN);
signal(SIGFPE, SIG_IGN);
signal(SIGSEGV, SIG_IGN);
signal(SIGTERM, SIG_IGN);
signal(SIGABRT, SIG_IGN);
if (options & SHELL_COOKED)
settmode(TMODE_COOK); /* set to normal mode */
if (cmd == NULL)
{
x = mch_system(p_sh, options);
}
else
{
/* we use "command" or "cmd" to start the shell; slow but easy */
char_u *newcmd;
newcmd = lalloc((long_u) (
#ifdef FEAT_GUI_W32
STRLEN(vimrun_path) +
#endif
STRLEN(p_sh) + STRLEN(p_shcf) + STRLEN(cmd) + 10), TRUE);
if (newcmd != NULL)
{
char_u *cmdbase = (*cmd == '"' ? cmd + 1 : cmd);
if ((STRNICMP(cmdbase, "start", 5) == 0) && vim_iswhite(cmdbase[5]))
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
si.cb = sizeof(si);
si.lpReserved = NULL;
si.lpDesktop = NULL;
si.lpTitle = NULL;
si.dwFlags = 0;
si.cbReserved2 = 0;
si.lpReserved2 = NULL;
cmdbase = skipwhite(cmdbase + 5);
if ((STRNICMP(cmdbase, "/min", 4) == 0)
&& vim_iswhite(cmdbase[4]))
{
cmdbase = skipwhite(cmdbase + 4);
si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = SW_SHOWMINNOACTIVE;
}
/* When the command is in double quotes, but 'shellxquote' is
* empty, keep the double quotes around the command.
* Otherwise remove the double quotes, they aren't needed
* here, because we don't use a shell to run the command. */
if (*cmd == '"' && *p_sxq == NUL)
{
newcmd[0] = '"';
STRCPY(newcmd + 1, cmdbase);
}
else
{
STRCPY(newcmd, cmdbase);
if (*cmd == '"' && *newcmd != NUL)
newcmd[STRLEN(newcmd) - 1] = NUL;
}
/*
* Now, start the command as a process, so that it doesn't
* inherit our handles which causes unpleasant dangling swap
* files if we exit before the spawned process
*/
if (CreateProcess (NULL, // Executable name
newcmd, // Command to execute
NULL, // Process security attributes
NULL, // Thread security attributes
FALSE, // Inherit handles
CREATE_NEW_CONSOLE, // Creation flags
NULL, // Environment
NULL, // Current directory
&si, // Startup information
&pi)) // Process information
x = 0;
else
{
x = -1;
#ifdef FEAT_GUI_W32
EMSG(_("E371: Command not found"));
#endif
}
/* Close the handles to the subprocess, so that it goes away */
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
}
else
{
#if defined(FEAT_GUI_W32)
if (need_vimrun_warning)
{
MessageBox(NULL,
_("VIMRUN.EXE not found in your $PATH.\n"
"External commands will not pause after completion.\n"
"See :help win32-vimrun for more information."),
_("Vim Warning"),
MB_ICONWARNING);
need_vimrun_warning = FALSE;
}
if (!s_dont_use_vimrun)
/* Use vimrun to execute the command. It opens a console
* window, which can be closed without killing Vim. */
sprintf((char *)newcmd, "%s%s%s %s %s",
vimrun_path,
(msg_silent != 0 || (options & SHELL_DOOUT))
? "-s " : "",
p_sh, p_shcf, cmd);
else
#endif
sprintf((char *)newcmd, "%s %s %s", p_sh, p_shcf, cmd);
x = mch_system((char *)newcmd, options);
}
vim_free(newcmd);
}
}
if (tmode == TMODE_RAW)
settmode(TMODE_RAW); /* set to raw mode */
/* Print the return value, unless "vimrun" was used. */
if (x != 0 && !(options & SHELL_SILENT) && !emsg_silent
#if defined(FEAT_GUI_W32)
&& ((options & SHELL_DOOUT) || s_dont_use_vimrun)
#endif
)
{
smsg(_("shell returned %d"), x);
msg_putchar('\n');
}
#ifdef FEAT_TITLE
resettitle();
#endif
signal(SIGINT, SIG_DFL);
#if defined(__GNUC__) && !defined(__MINGW32__)
signal(SIGKILL, SIG_DFL);
#else
signal(SIGBREAK, SIG_DFL);
#endif
signal(SIGILL, SIG_DFL);
signal(SIGFPE, SIG_DFL);
signal(SIGSEGV, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGABRT, SIG_DFL);
return x;
}
#ifndef FEAT_GUI_W32
/*
* Start termcap mode
*/
static void
termcap_mode_start(void)
{
DWORD cmodein;
if (g_fTermcapMode)
return;
SaveConsoleBuffer(&g_cbNonTermcap);
if (g_cbTermcap.IsValid)
{
/*
* We've been in termcap mode before. Restore certain screen
* characteristics, including the buffer size and the window
* size. Since we will be redrawing the screen, we don't need
* to restore the actual contents of the buffer.
*/
RestoreConsoleBuffer(&g_cbTermcap, FALSE);
SetConsoleWindowInfo(g_hConOut, TRUE, &g_cbTermcap.Info.srWindow);
Rows = g_cbTermcap.Info.dwSize.Y;
Columns = g_cbTermcap.Info.dwSize.X;
}
else
{
/*
* This is our first time entering termcap mode. Clear the console
* screen buffer, and resize the buffer to match the current window
* size. We will use this as the size of our editing environment.
*/
ClearConsoleBuffer(g_attrCurrent);
ResizeConBufAndWindow(g_hConOut, Columns, Rows);
}
#ifdef FEAT_TITLE
resettitle();
#endif
GetConsoleMode(g_hConIn, &cmodein);
#ifdef FEAT_MOUSE
if (g_fMouseActive)
cmodein |= ENABLE_MOUSE_INPUT;
else
cmodein &= ~ENABLE_MOUSE_INPUT;
#endif
cmodein |= ENABLE_WINDOW_INPUT;
SetConsoleMode(g_hConIn, cmodein);
redraw_later_clear();
g_fTermcapMode = TRUE;
}
/*
* End termcap mode
*/
static void
termcap_mode_end(void)
{
DWORD cmodein;
ConsoleBuffer *cb;
COORD coord;
DWORD dwDummy;
if (!g_fTermcapMode)
return;
SaveConsoleBuffer(&g_cbTermcap);
GetConsoleMode(g_hConIn, &cmodein);
cmodein &= ~(ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT);
SetConsoleMode(g_hConIn, cmodein);
#ifdef FEAT_RESTORE_ORIG_SCREEN
cb = exiting ? &g_cbOrig : &g_cbNonTermcap;
#else
cb = &g_cbNonTermcap;
#endif
RestoreConsoleBuffer(cb, p_rs);
SetConsoleCursorInfo(g_hConOut, &g_cci);
if (p_rs || exiting)
{
/*
* Clear anything that happens to be on the current line.
*/
coord.X = 0;
coord.Y = (SHORT) (p_rs ? cb->Info.dwCursorPosition.Y : (Rows - 1));
FillConsoleOutputCharacter(g_hConOut, ' ',
cb->Info.dwSize.X, coord, &dwDummy);
/*
* The following is just for aesthetics. If we are exiting without
* restoring the screen, then we want to have a prompt string
* appear at the bottom line. However, the command interpreter
* seems to always advance the cursor one line before displaying
* the prompt string, which causes the screen to scroll. To
* counter this, move the cursor up one line before exiting.
*/
if (exiting && !p_rs)
coord.Y--;
/*
* Position the cursor at the leftmost column of the desired row.
*/
SetConsoleCursorPosition(g_hConOut, coord);
}
g_fTermcapMode = FALSE;
}
#endif /* FEAT_GUI_W32 */
#ifdef FEAT_GUI_W32
/*ARGSUSED*/
void
mch_write(
char_u *s,
int len)
{
/* never used */
}
#else
/*
* clear `n' chars, starting from `coord'
*/
static void
clear_chars(
COORD coord,
DWORD n)
{
DWORD dwDummy;
FillConsoleOutputCharacter(g_hConOut, ' ', n, coord, &dwDummy);
FillConsoleOutputAttribute(g_hConOut, g_attrCurrent, n, coord, &dwDummy);
}
/*
* Clear the screen
*/
static void
clear_screen(void)
{
g_coord.X = g_coord.Y = 0;
clear_chars(g_coord, Rows * Columns);
}
/*
* Clear to end of display
*/
static void
clear_to_end_of_display(void)
{
clear_chars(g_coord, (Rows - g_coord.Y - 1)
* Columns + (Columns - g_coord.X));
}
/*
* Clear to end of line
*/
static void
clear_to_end_of_line(void)
{
clear_chars(g_coord, Columns - g_coord.X);
}
/*
* Scroll the scroll region up by `cLines' lines
*/
static void
scroll(unsigned cLines)
{
COORD oldcoord = g_coord;
gotoxy(g_srScrollRegion.Left + 1, g_srScrollRegion.Top + 1);
delete_lines(cLines);
g_coord = oldcoord;
}
/*
* Set the scroll region
*/
static void
set_scroll_region(
unsigned left,
unsigned top,
unsigned right,
unsigned bottom)
{
if (left >= right
|| top >= bottom
|| right > (unsigned) Columns - 1
|| bottom > (unsigned) Rows - 1)
return;
g_srScrollRegion.Left = left;
g_srScrollRegion.Top = top;
g_srScrollRegion.Right = right;
g_srScrollRegion.Bottom = bottom;
}
/*
* Insert `cLines' lines at the current cursor position
*/
static void
insert_lines(unsigned cLines)
{
SMALL_RECT source;
COORD dest;
CHAR_INFO fill;
dest.X = 0;
dest.Y = g_coord.Y + cLines;
source.Left = 0;
source.Top = g_coord.Y;
source.Right = g_srScrollRegion.Right;
source.Bottom = g_srScrollRegion.Bottom - cLines;
fill.Char.AsciiChar = ' ';
fill.Attributes = g_attrCurrent;
ScrollConsoleScreenBuffer(g_hConOut, &source, NULL, dest, &fill);
/* Here we have to deal with a win32 console flake: If the scroll
* region looks like abc and we scroll c to a and fill with d we get
* cbd... if we scroll block c one line at a time to a, we get cdd...
* vim expects cdd consistently... So we have to deal with that
* here... (this also occurs scrolling the same way in the other
* direction). */
if (source.Bottom < dest.Y)
{
COORD coord;
coord.X = 0;
coord.Y = source.Bottom;
clear_chars(coord, Columns * (dest.Y - source.Bottom));
}
}
/*
* Delete `cLines' lines at the current cursor position
*/
static void
delete_lines(unsigned cLines)
{
SMALL_RECT source;
COORD dest;
CHAR_INFO fill;
int nb;
dest.X = 0;
dest.Y = g_coord.Y;
source.Left = 0;
source.Top = g_coord.Y + cLines;
source.Right = g_srScrollRegion.Right;
source.Bottom = g_srScrollRegion.Bottom;
fill.Char.AsciiChar = ' ';
fill.Attributes = g_attrCurrent;
ScrollConsoleScreenBuffer(g_hConOut, &source, NULL, dest, &fill);
/* Here we have to deal with a win32 console flake: If the scroll
* region looks like abc and we scroll c to a and fill with d we get
* cbd... if we scroll block c one line at a time to a, we get cdd...
* vim expects cdd consistently... So we have to deal with that
* here... (this also occurs scrolling the same way in the other
* direction). */
nb = dest.Y + (source.Bottom - source.Top) + 1;
if (nb < source.Top)
{
COORD coord;
coord.X = 0;
coord.Y = nb;
clear_chars(coord, Columns * (source.Top - nb));
}
}
/*
* Set the cursor position
*/
static void
gotoxy(
unsigned x,
unsigned y)
{
if (x < 1 || x > (unsigned)Columns || y < 1 || y > (unsigned)Rows)
return;
/* external cursor coords are 1-based; internal are 0-based */
g_coord.X = x - 1;
g_coord.Y = y - 1;
SetConsoleCursorPosition(g_hConOut, g_coord);
}
/*
* Set the current text attribute = (foreground | background)
* See ../doc/os_win32.txt for the numbers.
*/
static void
textattr(WORD wAttr)
{
g_attrCurrent = wAttr;
SetConsoleTextAttribute(g_hConOut, wAttr);
}
static void
textcolor(WORD wAttr)
{
g_attrCurrent = (g_attrCurrent & 0xf0) + wAttr;
SetConsoleTextAttribute(g_hConOut, g_attrCurrent);
}
static void
textbackground(WORD wAttr)
{
g_attrCurrent = (g_attrCurrent & 0x0f) + (wAttr << 4);
SetConsoleTextAttribute(g_hConOut, g_attrCurrent);
}
/*
* restore the default text attribute (whatever we started with)
*/
static void
normvideo(void)
{
textattr(g_attrDefault);
}
static WORD g_attrPreStandout = 0;
/*
* Make the text standout, by brightening it
*/
static void
standout(void)
{
g_attrPreStandout = g_attrCurrent;
textattr((WORD) (g_attrCurrent|FOREGROUND_INTENSITY|BACKGROUND_INTENSITY));
}
/*
* Turn off standout mode
*/
static void
standend(void)
{
if (g_attrPreStandout)
{
textattr(g_attrPreStandout);
g_attrPreStandout = 0;
}
}
/*
* Set normal fg/bg color, based on T_ME. Called whem t_me has been set.
*/
void
mch_set_normal_colors(void)
{
char_u *p;
int n;
cterm_normal_fg_color = (g_attrDefault & 0xf) + 1;
cterm_normal_bg_color = ((g_attrDefault >> 4) & 0xf) + 1;
if (T_ME[0] == ESC && T_ME[1] == '|')
{
p = T_ME + 2;
n = getdigits(&p);
if (*p == 'm' && n > 0)
{
cterm_normal_fg_color = (n & 0xf) + 1;
cterm_normal_bg_color = ((n >> 4) & 0xf) + 1;
}
}
}
/*
* visual bell: flash the screen
*/
static void
visual_bell(void)
{
COORD coordOrigin = {0, 0};
WORD attrFlash = ~g_attrCurrent & 0xff;
DWORD dwDummy;
LPWORD oldattrs = (LPWORD)alloc(Rows * Columns * sizeof(WORD));
if (oldattrs == NULL)
return;
ReadConsoleOutputAttribute(g_hConOut, oldattrs, Rows * Columns,
coordOrigin, &dwDummy);
FillConsoleOutputAttribute(g_hConOut, attrFlash, Rows * Columns,
coordOrigin, &dwDummy);
Sleep(15); /* wait for 15 msec */
WriteConsoleOutputAttribute(g_hConOut, oldattrs, Rows * Columns,
coordOrigin, &dwDummy);
vim_free(oldattrs);
}
/*
* Make the cursor visible or invisible
*/
static void
cursor_visible(BOOL fVisible)
{
s_cursor_visible = fVisible;
#ifdef MCH_CURSOR_SHAPE
mch_update_cursor();
#endif
}
/*
* write `cchToWrite' characters in `pchBuf' to the screen
* Returns the number of characters actually written (at least one).
*/
static BOOL
write_chars(
LPCSTR pchBuf,
DWORD cchToWrite)
{
COORD coord = g_coord;
DWORD written;
FillConsoleOutputAttribute(g_hConOut, g_attrCurrent, cchToWrite,
coord, &written);
/* When writing fails or didn't write a single character, pretend one
* character was written, otherwise we get stuck. */
if (WriteConsoleOutputCharacter(g_hConOut, pchBuf, cchToWrite,
coord, &written) == 0
|| written == 0)
written = 1;
g_coord.X += (SHORT) written;
while (g_coord.X > g_srScrollRegion.Right)
{
g_coord.X -= (SHORT) Columns;
if (g_coord.Y < g_srScrollRegion.Bottom)
g_coord.Y++;
}
gotoxy(g_coord.X + 1, g_coord.Y + 1);
return written;
}
/*
* mch_write(): write the output buffer to the screen, translating ESC
* sequences into calls to console output routines.
*/
void
mch_write(
char_u *s,
int len)
{
s[len] = NUL;
if (!term_console)
{
write(1, s, (unsigned)len);
return;
}
/* translate ESC | sequences into faked bios calls */
while (len--)
{
/* optimization: use one single write_chars for runs of text,
* rather than once per character It ain't curses, but it helps. */
DWORD prefix = strcspn(s, "\n\r\b\a\033");
if (p_wd)
{
WaitForChar(p_wd);
if (prefix != 0)
prefix = 1;
}
if (prefix != 0)
{
DWORD nWritten;
nWritten = write_chars(s, prefix);
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fputc('>', fdDump);
fwrite(s, sizeof(char_u), nWritten, fdDump);
fputs("<\n", fdDump);
}
#endif
len -= (nWritten - 1);
s += nWritten;
}
else if (s[0] == '\n')
{
/* \n, newline: go to the beginning of the next line or scroll */
if (g_coord.Y == g_srScrollRegion.Bottom)
{
scroll(1);
gotoxy(g_srScrollRegion.Left + 1, g_srScrollRegion.Bottom + 1);
}
else
{
gotoxy(g_srScrollRegion.Left + 1, g_coord.Y + 2);
}
#ifdef MCH_WRITE_DUMP
if (fdDump)
fputs("\\n\n", fdDump);
#endif
s++;
}
else if (s[0] == '\r')
{
/* \r, carriage return: go to beginning of line */
gotoxy(g_srScrollRegion.Left+1, g_coord.Y + 1);
#ifdef MCH_WRITE_DUMP
if (fdDump)
fputs("\\r\n", fdDump);
#endif
s++;
}
else if (s[0] == '\b')
{
/* \b, backspace: move cursor one position left */
if (g_coord.X > g_srScrollRegion.Left)
g_coord.X--;
else if (g_coord.Y > g_srScrollRegion.Top)
{
g_coord.X = g_srScrollRegion.Right;
g_coord.Y--;
}
gotoxy(g_coord.X + 1, g_coord.Y + 1);
#ifdef MCH_WRITE_DUMP
if (fdDump)
fputs("\\b\n", fdDump);
#endif
s++;
}
else if (s[0] == '\a')
{
/* \a, bell */
MessageBeep(0xFFFFFFFF);
#ifdef MCH_WRITE_DUMP
if (fdDump)
fputs("\\a\n", fdDump);
#endif
s++;
}
else if (s[0] == ESC && len >= 3-1 && s[1] == '|')
{
#ifdef MCH_WRITE_DUMP
char_u *old_s = s;
#endif
char_u *p;
int arg1 = 0, arg2 = 0;
switch (s[2])
{
/* one or two numeric arguments, separated by ';' */
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
p = s + 2;
arg1 = getdigits(&p); /* no check for length! */
if (p > s + len)
break;
if (*p == ';')
{
++p;
arg2 = getdigits(&p); /* no check for length! */
if (p > s + len)
break;
if (*p == 'H')
gotoxy(arg2, arg1);
else if (*p == 'r')
set_scroll_region(0, arg1 - 1, Columns - 1, arg2 - 1);
}
else if (*p == 'A')
{
/* move cursor up arg1 lines in same column */
gotoxy(g_coord.X + 1,
max(g_srScrollRegion.Top, g_coord.Y - arg1) + 1);
}
else if (*p == 'C')
{
/* move cursor right arg1 columns in same line */
gotoxy(min(g_srScrollRegion.Right, g_coord.X + arg1) + 1,
g_coord.Y + 1);
}
else if (*p == 'H')
{
gotoxy(1, arg1);
}
else if (*p == 'L')
{
insert_lines(arg1);
}
else if (*p == 'm')
{
if (arg1 == 0)
normvideo();
else
textattr((WORD) arg1);
}
else if (*p == 'f')
{
textcolor((WORD) arg1);
}
else if (*p == 'b')
{
textbackground((WORD) arg1);
}
else if (*p == 'M')
{
delete_lines(arg1);
}
len -= p - s;
s = p + 1;
break;
/* Three-character escape sequences */
case 'A':
/* move cursor up one line in same column */
gotoxy(g_coord.X + 1,
max(g_srScrollRegion.Top, g_coord.Y - 1) + 1);
goto got3;
case 'B':
visual_bell();
goto got3;
case 'C':
/* move cursor right one column in same line */
gotoxy(min(g_srScrollRegion.Right, g_coord.X + 1) + 1,
g_coord.Y + 1);
goto got3;
case 'E':
termcap_mode_end();
goto got3;
case 'F':
standout();
goto got3;
case 'f':
standend();
goto got3;
case 'H':
gotoxy(1, 1);
goto got3;
case 'j':
clear_to_end_of_display();
goto got3;
case 'J':
clear_screen();
goto got3;
case 'K':
clear_to_end_of_line();
goto got3;
case 'L':
insert_lines(1);
goto got3;
case 'M':
delete_lines(1);
goto got3;
case 'S':
termcap_mode_start();
goto got3;
case 'V':
cursor_visible(TRUE);
goto got3;
case 'v':
cursor_visible(FALSE);
goto got3;
got3:
s += 3;
len -= 2;
}
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fputs("ESC | ", fdDump);
fwrite(old_s + 2, sizeof(char_u), s - old_s - 2, fdDump);
fputc('\n', fdDump);
}
#endif
}
else
{
/* Write a single character */
DWORD nWritten;
nWritten = write_chars(s, 1);
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fputc('>', fdDump);
fwrite(s, sizeof(char_u), nWritten, fdDump);
fputs("<\n", fdDump);
}
#endif
len -= (nWritten - 1);
s += nWritten;
}
}
#ifdef MCH_WRITE_DUMP
if (fdDump)
fflush(fdDump);
#endif
}
#endif /* FEAT_GUI_W32 */
/*
* Delay for half a second.
*/
/*ARGSUSED*/
void
mch_delay(
long msec,
int ignoreinput)
{
#ifdef FEAT_GUI_W32
Sleep((int)msec); /* never wait for input */
#else /* Console */
if (ignoreinput)
# ifdef FEAT_MZSCHEME
if (mzthreads_allowed() && p_mzq > 0 && msec > p_mzq)
{
int towait = p_mzq;
/* if msec is large enough, wait by portions in p_mzq */
while (msec > 0)
{
mzvim_check_threads();
if (msec < towait)
towait = msec;
Sleep(towait);
msec -= towait;
}
}
else
# endif
Sleep((int)msec);
else
WaitForChar(msec);
#endif
}
/*
* this version of remove is not scared by a readonly (backup) file
* Return 0 for success, -1 for failure.
*/
int
mch_remove(char_u *name)
{
#ifdef FEAT_MBYTE
WCHAR *wn = NULL;
int n;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
{
wn = enc_to_ucs2(name, NULL);
if (wn != NULL)
{
SetFileAttributesW(wn, FILE_ATTRIBUTE_NORMAL);
n = DeleteFileW(wn) ? 0 : -1;
vim_free(wn);
if (n == 0 || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
return n;
/* Retry with non-wide function (for Windows 98). */
}
}
#endif
SetFileAttributes(name, FILE_ATTRIBUTE_NORMAL);
return DeleteFile(name) ? 0 : -1;
}
/*
* check for an "interrupt signal": CTRL-break or CTRL-C
*/
void
mch_breakcheck(void)
{
#ifndef FEAT_GUI_W32 /* never used */
if (g_fCtrlCPressed || g_fCBrkPressed)
{
g_fCtrlCPressed = g_fCBrkPressed = FALSE;
got_int = TRUE;
}
#endif
}
/*
* How much memory is available?
* Return sum of available physical and page file memory.
*/
/*ARGSUSED*/
long_u
mch_avail_mem(int special)
{
MEMORYSTATUS ms;
ms.dwLength = sizeof(MEMORYSTATUS);
GlobalMemoryStatus(&ms);
return (long_u) (ms.dwAvailPhys + ms.dwAvailPageFile);
}
#ifdef FEAT_MBYTE
/*
* Same code as below, but with wide functions and no comments.
* Return 0 for success, non-zero for failure.
*/
int
mch_wrename(WCHAR *wold, WCHAR *wnew)
{
WCHAR *p;
int i;
WCHAR szTempFile[_MAX_PATH + 1];
WCHAR szNewPath[_MAX_PATH + 1];
HANDLE hf;
if (!mch_windows95())
{
p = wold;
for (i = 0; wold[i] != NUL; ++i)
if ((wold[i] == '/' || wold[i] == '\\' || wold[i] == ':')
&& wold[i + 1] != 0)
p = wold + i + 1;
if ((int)(wold + i - p) < 8 || p[6] != '~')
return (MoveFileW(wold, wnew) == 0);
}
if (GetFullPathNameW(wnew, _MAX_PATH, szNewPath, &p) == 0 || p == NULL)
return -1;
*p = NUL;
if (GetTempFileNameW(szNewPath, L"VIM", 0, szTempFile) == 0)
return -2;
if (!DeleteFileW(szTempFile))
return -3;
if (!MoveFileW(wold, szTempFile))
return -4;
if ((hf = CreateFileW(wold, GENERIC_WRITE, 0, NULL, CREATE_NEW,
FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE)
return -5;
if (!CloseHandle(hf))
return -6;
if (!MoveFileW(szTempFile, wnew))
{
(void)MoveFileW(szTempFile, wold);
return -7;
}
DeleteFileW(szTempFile);
if (!DeleteFileW(wold))
return -8;
return 0;
}
#endif
/*
* mch_rename() works around a bug in rename (aka MoveFile) in
* Windows 95: rename("foo.bar", "foo.bar~") will generate a
* file whose short file name is "FOO.BAR" (its long file name will
* be correct: "foo.bar~"). Because a file can be accessed by
* either its SFN or its LFN, "foo.bar" has effectively been
* renamed to "foo.bar", which is not at all what was wanted. This
* seems to happen only when renaming files with three-character
* extensions by appending a suffix that does not include ".".
* Windows NT gets it right, however, with an SFN of "FOO~1.BAR".
*
* There is another problem, which isn't really a bug but isn't right either:
* When renaming "abcdef~1.txt" to "abcdef~1.txt~", the short name can be
* "abcdef~1.txt" again. This has been reported on Windows NT 4.0 with
* service pack 6. Doesn't seem to happen on Windows 98.
*
* Like rename(), returns 0 upon success, non-zero upon failure.
* Should probably set errno appropriately when errors occur.
*/
int
mch_rename(
const char *pszOldFile,
const char *pszNewFile)
{
char szTempFile[_MAX_PATH+1];
char szNewPath[_MAX_PATH+1];
char *pszFilePart;
HANDLE hf;
#ifdef FEAT_MBYTE
WCHAR *wold = NULL;
WCHAR *wnew = NULL;
int retval = -1;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
{
wold = enc_to_ucs2((char_u *)pszOldFile, NULL);
wnew = enc_to_ucs2((char_u *)pszNewFile, NULL);
if (wold != NULL && wnew != NULL)
retval = mch_wrename(wold, wnew);
vim_free(wold);
vim_free(wnew);
if (retval == 0 || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
return retval;
/* Retry with non-wide function (for Windows 98). */
}
#endif
/*
* No need to play tricks if not running Windows 95, unless the file name
* contains a "~" as the seventh character.
*/
if (!mch_windows95())
{
pszFilePart = (char *)gettail((char_u *)pszOldFile);
if (STRLEN(pszFilePart) < 8 || pszFilePart[6] != '~')
return rename(pszOldFile, pszNewFile);
}
/* Get base path of new file name. Undocumented feature: If pszNewFile is
* a directory, no error is returned and pszFilePart will be NULL. */
if (GetFullPathName(pszNewFile, _MAX_PATH, szNewPath, &pszFilePart) == 0
|| pszFilePart == NULL)
return -1;
*pszFilePart = NUL;
/* Get (and create) a unique temporary file name in directory of new file */
if (GetTempFileName(szNewPath, "VIM", 0, szTempFile) == 0)
return -2;
/* blow the temp file away */
if (!DeleteFile(szTempFile))
return -3;
/* rename old file to the temp file */
if (!MoveFile(pszOldFile, szTempFile))
return -4;
/* now create an empty file called pszOldFile; this prevents the operating
* system using pszOldFile as an alias (SFN) if we're renaming within the
* same directory. For example, we're editing a file called
* filename.asc.txt by its SFN, filena~1.txt. If we rename filena~1.txt
* to filena~1.txt~ (i.e., we're making a backup while writing it), the
* SFN for filena~1.txt~ will be filena~1.txt, by default, which will
* cause all sorts of problems later in buf_write(). So, we create an
* empty file called filena~1.txt and the system will have to find some
* other SFN for filena~1.txt~, such as filena~2.txt
*/
if ((hf = CreateFile(pszOldFile, GENERIC_WRITE, 0, NULL, CREATE_NEW,
FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE)
return -5;
if (!CloseHandle(hf))
return -6;
/* rename the temp file to the new file */
if (!MoveFile(szTempFile, pszNewFile))
{
/* Renaming failed. Rename the file back to its old name, so that it
* looks like nothing happened. */
(void)MoveFile(szTempFile, pszOldFile);
return -7;
}
/* Seems to be left around on Novell filesystems */
DeleteFile(szTempFile);
/* finally, remove the empty old file */
if (!DeleteFile(pszOldFile))
return -8;
return 0; /* success */
}
/*
* Get the default shell for the current hardware platform
*/
char *
default_shell(void)
{
char* psz = NULL;
PlatformId();
if (g_PlatformId == VER_PLATFORM_WIN32_NT) /* Windows NT */
psz = "cmd.exe";
else if (g_PlatformId == VER_PLATFORM_WIN32_WINDOWS) /* Windows 95 */
psz = "command.com";
return psz;
}
/*
* mch_access() extends access() to do more detailed check on network drives.
* Returns 0 if file "n" has access rights according to "p", -1 otherwise.
*/
int
mch_access(char *n, int p)
{
HANDLE hFile;
DWORD am;
int retval = -1; /* default: fail */
#ifdef FEAT_MBYTE
WCHAR *wn = NULL;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
wn = enc_to_ucs2(n, NULL);
#endif
if (mch_isdir(n))
{
char TempName[_MAX_PATH + 16] = "";
#ifdef FEAT_MBYTE
WCHAR TempNameW[_MAX_PATH + 16] = L"";
#endif
if (p & R_OK)
{
/* Read check is performed by seeing if we can do a find file on
* the directory for any file. */
#ifdef FEAT_MBYTE
if (wn != NULL)
{
int i;
WIN32_FIND_DATAW d;
for (i = 0; i < _MAX_PATH && wn[i] != 0; ++i)
TempNameW[i] = wn[i];
if (TempNameW[i - 1] != '\\' && TempNameW[i - 1] != '/')
TempNameW[i++] = '\\';
TempNameW[i++] = '*';
TempNameW[i++] = 0;
hFile = FindFirstFileW(TempNameW, &d);
if (hFile == INVALID_HANDLE_VALUE)
{
if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
goto getout;
/* Retry with non-wide function (for Windows 98). */
vim_free(wn);
wn = NULL;
}
else
(void)FindClose(hFile);
}
if (wn == NULL)
#endif
{
char *pch;
WIN32_FIND_DATA d;
STRNCPY(TempName, n, _MAX_PATH);
pch = TempName + STRLEN(TempName) - 1;
if (*pch != '\\' && *pch != '/')
*++pch = '\\';
*++pch = '*';
*++pch = NUL;
hFile = FindFirstFile(TempName, &d);
if (hFile == INVALID_HANDLE_VALUE)
goto getout;
(void)FindClose(hFile);
}
}
if (p & W_OK)
{
/* Trying to create a temporary file in the directory should catch
* directories on read-only network shares. However, in
* directories whose ACL allows writes but denies deletes will end
* up keeping the temporary file :-(. */
#ifdef FEAT_MBYTE
if (wn != NULL)
{
if (!GetTempFileNameW(wn, L"VIM", 0, TempNameW))
{
if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
goto getout;
/* Retry with non-wide function (for Windows 98). */
vim_free(wn);
wn = NULL;
}
else
DeleteFileW(TempNameW);
}
if (wn == NULL)
#endif
{
if (!GetTempFileName(n, "VIM", 0, TempName))
goto getout;
mch_remove((char_u *)TempName);
}
}
}
else
{
/* Trying to open the file for the required access does ACL, read-only
* network share, and file attribute checks. */
am = ((p & W_OK) ? GENERIC_WRITE : 0)
| ((p & R_OK) ? GENERIC_READ : 0);
#ifdef FEAT_MBYTE
if (wn != NULL)
{
hFile = CreateFileW(wn, am, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hFile == INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
{
/* Retry with non-wide function (for Windows 98). */
vim_free(wn);
wn = NULL;
}
}
if (wn == NULL)
#endif
hFile = CreateFile(n, am, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hFile == INVALID_HANDLE_VALUE)
goto getout;
CloseHandle(hFile);
}
retval = 0; /* success */
getout:
#ifdef FEAT_MBYTE
vim_free(wn);
#endif
return retval;
}
#if defined(FEAT_MBYTE) || defined(PROTO)
/*
* Version of open() that may use ucs2 file name.
*/
int
mch_open(char *name, int flags, int mode)
{
/* _wopen() does not work with Borland C 5.5: creates a read-only file. */
# ifndef __BORLANDC__
WCHAR *wn;
int f;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
{
wn = enc_to_ucs2(name, NULL);
if (wn != NULL)
{
f = _wopen(wn, flags, mode);
vim_free(wn);
if (f >= 0)
return f;
/* Retry with non-wide function (for Windows 98). Can't use
* GetLastError() here and it's unclear what errno gets set to if
* the _wopen() fails for missing wide functions. */
}
}
# endif
return open(name, flags, mode);
}
/*
* Version of fopen() that may use ucs2 file name.
*/
FILE *
mch_fopen(char *name, char *mode)
{
WCHAR *wn, *wm;
FILE *f = NULL;
if (enc_codepage >= 0 && (int)GetACP() != enc_codepage
# ifdef __BORLANDC__
/* Wide functions of Borland C 5.5 do not work on Windows 98. */
&& g_PlatformId == VER_PLATFORM_WIN32_NT
# endif
)
{
wn = enc_to_ucs2(name, NULL);
wm = enc_to_ucs2(mode, NULL);
if (wn != NULL && wm != NULL)
f = _wfopen(wn, wm);
vim_free(wn);
vim_free(wm);
if (f != NULL)
return f;
/* Retry with non-wide function (for Windows 98). Can't use
* GetLastError() here and it's unclear what errno gets set to if
* the _wfopen() fails for missing wide functions. */
}
return fopen(name, mode);
}
#endif
#ifdef FEAT_MBYTE
/*
* SUB STREAM (aka info stream) handling:
*
* NTFS can have sub streams for each file. Normal contents of file is
* stored in the main stream, and extra contents (author information and
* title and so on) can be stored in sub stream. After Windows 2000, user
* can access and store those informations in sub streams via explorer's
* property menuitem in right click menu. Those informations in sub streams
* were lost when copying only the main stream. So we have to copy sub
* streams.
*
* Incomplete explanation:
* http://msdn.microsoft.com/library/en-us/dnw2k/html/ntfs5.asp
* More useful info and an example:
* http://www.sysinternals.com/ntw2k/source/misc.shtml#streams
*/
/*
* Copy info stream data "substream". Read from the file with BackupRead(sh)
* and write to stream "substream" of file "to".
* Errors are ignored.
*/
static void
copy_substream(HANDLE sh, void *context, WCHAR *to, WCHAR *substream, long len)
{
HANDLE hTo;
WCHAR *to_name;
to_name = malloc((wcslen(to) + wcslen(substream) + 1) * sizeof(WCHAR));
wcscpy(to_name, to);
wcscat(to_name, substream);
hTo = CreateFileW(to_name, GENERIC_WRITE, 0, NULL, OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if (hTo != INVALID_HANDLE_VALUE)
{
long done;
DWORD todo;
DWORD readcnt, written;
char buf[4096];
/* Copy block of bytes at a time. Abort when something goes wrong. */
for (done = 0; done < len; done += written)
{
/* (size_t) cast for Borland C 5.5 */
todo = (size_t)(len - done) > sizeof(buf) ? sizeof(buf)
: (size_t)(len - done);
if (!BackupRead(sh, (LPBYTE)buf, todo, &readcnt,
FALSE, FALSE, context)
|| readcnt != todo
|| !WriteFile(hTo, buf, todo, &written, NULL)
|| written != todo)
break;
}
CloseHandle(hTo);
}
free(to_name);
}
/*
* Copy info streams from file "from" to file "to".
*/
static void
copy_infostreams(char_u *from, char_u *to)
{
WCHAR *fromw;
WCHAR *tow;
HANDLE sh;
WIN32_STREAM_ID sid;
int headersize;
WCHAR streamname[_MAX_PATH];
DWORD readcount;
void *context = NULL;
DWORD lo, hi;
int len;
/* Convert the file names to wide characters. */
fromw = enc_to_ucs2(from, NULL);
tow = enc_to_ucs2(to, NULL);
if (fromw != NULL && tow != NULL)
{
/* Open the file for reading. */
sh = CreateFileW(fromw, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (sh != INVALID_HANDLE_VALUE)
{
/* Use BackupRead() to find the info streams. Repeat until we
* have done them all.*/
for (;;)
{
/* Get the header to find the length of the stream name. If
* the "readcount" is zero we have done all info streams. */
ZeroMemory(&sid, sizeof(WIN32_STREAM_ID));
headersize = (char *)&sid.cStreamName - (char *)&sid.dwStreamId;
if (!BackupRead(sh, (LPBYTE)&sid, headersize,
&readcount, FALSE, FALSE, &context)
|| readcount == 0)
break;
/* We only deal with streams that have a name. The normal
* file data appears to be without a name, even though docs
* suggest it is called "::$DATA". */
if (sid.dwStreamNameSize > 0)
{
/* Read the stream name. */
if (!BackupRead(sh, (LPBYTE)streamname,
sid.dwStreamNameSize,
&readcount, FALSE, FALSE, &context))
break;
/* Copy an info stream with a name ":anything:$DATA".
* Skip "::$DATA", it has no stream name (examples suggest
* it might be used for the normal file contents).
* Note that BackupRead() counts bytes, but the name is in
* wide characters. */
len = readcount / sizeof(WCHAR);
streamname[len] = 0;
if (len > 7 && wcsicmp(streamname + len - 6,
L":$DATA") == 0)
{
streamname[len - 6] = 0;
copy_substream(sh, &context, tow, streamname,
(long)sid.Size.u.LowPart);
}
}
/* Advance to the next stream. We might try seeking too far,
* but BackupSeek() doesn't skip over stream borders, thus
* that's OK. */
(void)BackupSeek(sh, sid.Size.u.LowPart, sid.Size.u.HighPart,
&lo, &hi, &context);
}
/* Clear the context. */
(void)BackupRead(sh, NULL, 0, &readcount, TRUE, FALSE, &context);
CloseHandle(sh);
}
}
vim_free(fromw);
vim_free(tow);
}
#endif
/*
* Copy file attributes from file "from" to file "to".
* For Windows NT and later we copy info streams.
* Always returns zero, errors are ignored.
*/
int
mch_copy_file_attribute(char_u *from, char_u *to)
{
#ifdef FEAT_MBYTE
/* File streams only work on Windows NT and later. */
PlatformId();
if (g_PlatformId == VER_PLATFORM_WIN32_NT)
copy_infostreams(from, to);
#endif
return 0;
}
#if defined(MYRESETSTKOFLW) || defined(PROTO)
/*
* Recreate a destroyed stack guard page in win32.
* Written by Benjamin Peterson.
*/
/* These magic numbers are from the MS header files */
#define MIN_STACK_WIN9X 17
#define MIN_STACK_WINNT 2
/*
* This function does the same thing as _resetstkoflw(), which is only
* available in DevStudio .net and later.
* Returns 0 for failure, 1 for success.
*/
int
myresetstkoflw(void)
{
BYTE *pStackPtr;
BYTE *pGuardPage;
BYTE *pStackBase;
BYTE *pLowestPossiblePage;
MEMORY_BASIC_INFORMATION mbi;
SYSTEM_INFO si;
DWORD nPageSize;
DWORD dummy;
/* This code will not work on win32s. */
PlatformId();
if (g_PlatformId == VER_PLATFORM_WIN32s)
return 0;
/* We need to know the system page size. */
GetSystemInfo(&si);
nPageSize = si.dwPageSize;
/* ...and the current stack pointer */
pStackPtr = (BYTE*)_alloca(1);
/* ...and the base of the stack. */
if (VirtualQuery(pStackPtr, &mbi, sizeof mbi) == 0)
return 0;
pStackBase = (BYTE*)mbi.AllocationBase;
/* ...and the page thats min_stack_req pages away from stack base; this is
* the lowest page we could use. */
pLowestPossiblePage = pStackBase + ((g_PlatformId == VER_PLATFORM_WIN32_NT)
? MIN_STACK_WINNT : MIN_STACK_WIN9X) * nPageSize;
/* On Win95, we want the next page down from the end of the stack. */
if (g_PlatformId == VER_PLATFORM_WIN32_WINDOWS)
{
/* Find the page that's only 1 page down from the page that the stack
* ptr is in. */
pGuardPage = (BYTE*)((DWORD)nPageSize * (((DWORD)pStackPtr
/ (DWORD)nPageSize) - 1));
if (pGuardPage < pLowestPossiblePage)
return 0;
/* Apply the noaccess attribute to the page -- there's no guard
* attribute in win95-type OSes. */
if (!VirtualProtect(pGuardPage, nPageSize, PAGE_NOACCESS, &dummy))
return 0;
}
else
{
/* On NT, however, we want the first committed page in the stack Start
* at the stack base and move forward through memory until we find a
* committed block. */
BYTE *pBlock = pStackBase;
for (;;)
{
if (VirtualQuery(pBlock, &mbi, sizeof mbi) == 0)
return 0;
pBlock += mbi.RegionSize;
if (mbi.State & MEM_COMMIT)
break;
}
/* mbi now describes the first committed block in the stack. */
if (mbi.Protect & PAGE_GUARD)
return 1;
/* decide where the guard page should start */
if ((long_u)(mbi.BaseAddress) < (long_u)pLowestPossiblePage)
pGuardPage = pLowestPossiblePage;
else
pGuardPage = (BYTE*)mbi.BaseAddress;
/* allocate the guard page */
if (!VirtualAlloc(pGuardPage, nPageSize, MEM_COMMIT, PAGE_READWRITE))
return 0;
/* apply the guard attribute to the page */
if (!VirtualProtect(pGuardPage, nPageSize, PAGE_READWRITE | PAGE_GUARD,
&dummy))
return 0;
}
return 1;
}
#endif
#if defined(FEAT_MBYTE) || defined(PROTO)
/*
* The command line arguments in UCS2
*/
static int nArgsW = 0;
static LPWSTR *ArglistW = NULL;
static int global_argc = 0;
static char **global_argv;
static int used_file_argc = 0; /* last argument in global_argv[] used
for the argument list. */
static int *used_file_indexes = NULL; /* indexes in global_argv[] for
command line arguments added to
the argument list */
static int used_file_count = 0; /* nr of entries in used_file_indexes */
static int used_file_literal = FALSE; /* take file names literally */
static int used_file_full_path = FALSE; /* file name was full path */
static int used_alist_count = 0;
/*
* Get the command line arguments. Unicode version.
* Returns argc. Zero when something fails.
*/
int
get_cmd_argsW(char ***argvp)
{
char **argv = NULL;
int argc = 0;
int i;
ArglistW = CommandLineToArgvW(GetCommandLineW(), &nArgsW);
if (ArglistW != NULL)
{
argv = malloc((nArgsW + 1) * sizeof(char *));
if (argv != NULL)
{
argc = nArgsW;
argv[argc] = NULL;
for (i = 0; i < argc; ++i)
{
int len;
/* Convert each Unicode argument to the current codepage. */
WideCharToMultiByte_alloc(GetACP(), 0,
ArglistW[i], wcslen(ArglistW[i]) + 1,
(LPSTR *)&argv[i], &len, 0, 0);
if (argv[i] == NULL)
{
/* Out of memory, clear everything. */
while (i > 0)
free(argv[--i]);
free(argv);
argc = 0;
}
}
}
}
global_argc = argc;
global_argv = argv;
if (argc > 0)
used_file_indexes = malloc(argc * sizeof(int));
if (argvp != NULL)
*argvp = argv;
return argc;
}
void
free_cmd_argsW(void)
{
if (ArglistW != NULL)
{
GlobalFree(ArglistW);
ArglistW = NULL;
}
}
/*
* Remember "name" is an argument that was added to the argument list.
* This avoids that we have to re-parse the argument list when fix_arg_enc()
* is called.
*/
void
used_file_arg(char *name, int literal, int full_path)
{
int i;
if (used_file_indexes == NULL)
return;
for (i = used_file_argc + 1; i < global_argc; ++i)
if (STRCMP(global_argv[i], name) == 0)
{
used_file_argc = i;
used_file_indexes[used_file_count++] = i;
break;
}
used_file_literal = literal;
used_file_full_path = full_path;
}
/*
* Remember the length of the argument list as it was. If it changes then we
* leave it alone when 'encoding' is set.
*/
void
set_alist_count(void)
{
used_alist_count = GARGCOUNT;
}
/*
* Fix the encoding of the command line arguments. Invoked when 'encoding'
* has been changed while starting up. Use the UCS-2 command line arguments
* and convert them to 'encoding'.
*/
void
fix_arg_enc(void)
{
int i;
int idx;
char_u *str;
int *fnum_list;
/* Safety checks:
* - if argument count differs between the wide and non-wide argument
* list, something must be wrong.
* - the file name arguments must have been located.
* - the length of the argument list wasn't changed by the user.
*/
if (global_argc != nArgsW
|| ArglistW == NULL
|| used_file_indexes == NULL
|| used_file_count == 0
|| used_alist_count != GARGCOUNT)
return;
/* Remember the buffer numbers for the arguments. */
fnum_list = (int *)alloc((int)sizeof(int) * GARGCOUNT);
if (fnum_list == NULL)
return; /* out of memory */
for (i = 0; i < GARGCOUNT; ++i)
fnum_list[i] = GARGLIST[i].ae_fnum;
/* Clear the argument list. Make room for the new arguments. */
alist_clear(&global_alist);
if (ga_grow(&global_alist.al_ga, used_file_count) == FAIL)
return; /* out of memory */
for (i = 0; i < used_file_count; ++i)
{
idx = used_file_indexes[i];
str = ucs2_to_enc(ArglistW[idx], NULL);
if (str != NULL)
{
/* Re-use the old buffer by renaming it. When not using literal
* names it's done by alist_expand() below. */
if (used_file_literal)
buf_set_name(fnum_list[i], str);
alist_add(&global_alist, str, used_file_literal ? 2 : 0);
}
}
if (!used_file_literal)
{
/* Now expand wildcards in the arguments. */
/* Temporarily add '(' and ')' to 'isfname'. These are valid
* filename characters but are excluded from 'isfname' to make
* "gf" work on a file name in parenthesis (e.g.: see vim.h). */
do_cmdline_cmd((char_u *)":let SaVe_ISF = &isf|set isf+=(,)");
alist_expand(fnum_list, used_alist_count);
do_cmdline_cmd((char_u *)":let &isf = SaVe_ISF|unlet SaVe_ISF");
}
/* If wildcard expansion failed, we are editing the first file of the
* arglist and there is no file name: Edit the first argument now. */
if (curwin->w_arg_idx == 0 && curbuf->b_fname == NULL)
{
do_cmdline_cmd((char_u *)":rewind");
if (GARGCOUNT == 1 && used_file_full_path)
(void)vim_chdirfile(alist_name(&GARGLIST[0]));
}
set_alist_count();
}
#endif
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