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os_win32.c
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os_win32.c
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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 "vim.h"
#ifdef FEAT_MZSCHEME
# include "if_mzsch.h"
#endif
#include <sys/types.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 char_u *exe_path = NULL;
static void
get_exe_name(void)
{
/* Maximum length of $PATH is more than MAXPATHL. 8191 is often mentioned
* as the maximum length that works (plus a NUL byte). */
#define MAX_ENV_PATH_LEN 8192
char temp[MAX_ENV_PATH_LEN];
char_u *p;
if (exe_name == NULL)
{
/* store the name of the executable, may be used for $VIM */
GetModuleFileName(NULL, temp, MAX_ENV_PATH_LEN - 1);
if (*temp != NUL)
exe_name = FullName_save((char_u *)temp, FALSE);
}
if (exe_path == NULL && exe_name != NULL)
{
exe_path = vim_strnsave(exe_name,
(int)(gettail_sep(exe_name) - exe_name));
if (exe_path != NULL)
{
/* Append our starting directory to $PATH, so that when doing
* "!xxd" it's found in our starting directory. Needed because
* SearchPath() also looks there. */
p = mch_getenv("PATH");
if (p == NULL
|| STRLEN(p) + STRLEN(exe_path) + 2 < MAX_ENV_PATH_LEN)
{
if (p == NULL || *p == NUL)
temp[0] = NUL;
else
{
STRCPY(temp, p);
STRCAT(temp, ";");
}
STRCAT(temp, exe_path);
vim_setenv((char_u *)"PATH", temp);
}
}
}
}
/*
* Load library "name".
*/
HINSTANCE
vimLoadLib(char *name)
{
HINSTANCE dll = NULL;
char old_dir[MAXPATHL];
if (exe_path == NULL)
get_exe_name();
if (exe_path != NULL && mch_dirname(old_dir, MAXPATHL) == OK)
{
/* Change directory to where the executable is, both to make sure we
* find a .dll there and to avoid looking for a .dll in the current
* directory. */
mch_chdir(exe_path);
dll = LoadLibrary(name);
mch_chdir(old_dir);
}
return dll;
}
#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 = NULL;
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 = vimLoadLib(libname != NULL ? libname : GETTEXT_DLL);
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 = vimLoadLib("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 warning(push)
# pragma warning(disable: 4748)
# 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;
vim_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)
# pragma warning(pop)
# 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)