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vim/src/os_mswin.c
matveyt ad3b6a3340
patch 9.1.0915: GVim: default font size a bit too small 
Problem:  GVim: default font size a bit too small
Solution: increase guifont size to 12 pt on GTK builds
          of gVim (matveyt).

fixes: #16172
closes: #16178

Signed-off-by: matveyt <matthewtarasov@yandex.ru>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2024-12-08 10:26:51 +01:00

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/* vi:set ts=8 sts=4 sw=4 noet:
*
* 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_mswin.c
*
* Routines for Win32.
*/
#include "vim.h"
#include <sys/types.h>
#include <signal.h>
#include <limits.h>
// cproto fails on missing include files
#ifndef PROTO
# include <process.h>
# include <direct.h>
# if !defined(FEAT_GUI_MSWIN)
# include <shellapi.h>
# endif
# if defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)
# include <dlgs.h>
# include <winspool.h>
# include <commdlg.h>
# endif
#endif // PROTO
/*
* 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 int BOOL;
typedef int CALLBACK;
typedef int COLORREF;
typedef int CONSOLE_CURSOR_INFO;
typedef int COORD;
typedef int DWORD;
typedef int ENUMLOGFONTW;
typedef int HANDLE;
typedef int HDC;
typedef int HFONT;
typedef int HICON;
typedef int HWND;
typedef int INPUT_RECORD;
typedef int INT_PTR;
typedef int KEY_EVENT_RECORD;
typedef int LOGFONTW;
typedef int LPARAM;
typedef int LPBOOL;
typedef int LPCSTR;
typedef int LPCWSTR;
typedef int LPDWORD;
typedef int LPSTR;
typedef int LPTSTR;
typedef int LPVOID;
typedef int LPWSTR;
typedef int LRESULT;
typedef int MOUSE_EVENT_RECORD;
typedef int NEWTEXTMETRICW;
typedef int PACL;
typedef int PRINTDLGW;
typedef int PSECURITY_DESCRIPTOR;
typedef int PSID;
typedef int SECURITY_INFORMATION;
typedef int SHORT;
typedef int SMALL_RECT;
typedef int TEXTMETRIC;
typedef int UINT;
typedef int WCHAR;
typedef int WNDENUMPROC;
typedef int WORD;
typedef int WPARAM;
typedef void VOID;
#endif
// Record all output and all keyboard & mouse input
// #define MCH_WRITE_DUMP
#ifdef MCH_WRITE_DUMP
FILE* fdDump = NULL;
#endif
#if !defined(FEAT_GUI_MSWIN) || defined(VIMDLL)
extern char g_szOrigTitle[];
#endif
#ifdef FEAT_GUI
extern HWND s_hwnd;
#else
static HWND s_hwnd = 0; // console window handle, set by GetConsoleHwnd()
#endif
#ifdef FEAT_JOB_CHANNEL
int WSInitialized = FALSE; // WinSock is initialized
#endif
#ifndef PROTO
/*
* Save the instance handle of the exe/dll.
*/
void
SaveInst(HINSTANCE hInst)
{
g_hinst = hInst;
}
#endif
#if defined(FEAT_GUI_MSWIN) || defined(PROTO)
/*
* GUI version of mch_exit().
* Shut down and exit with status `r'
* Careful: mch_exit() may be called before mch_init()!
*/
void
mch_exit_g(int r)
{
exiting = TRUE;
display_errors();
ml_close_all(TRUE); // remove all memfiles
# ifdef FEAT_OLE
UninitOLE();
# endif
# ifdef FEAT_JOB_CHANNEL
if (WSInitialized)
{
WSInitialized = FALSE;
WSACleanup();
}
# endif
# ifdef DYNAMIC_GETTEXT
dyn_libintl_end();
# endif
if (gui.in_use)
gui_exit(r);
# ifdef EXITFREE
free_all_mem();
# endif
exit(r);
}
#endif // FEAT_GUI_MSWIN
/*
* Init the tables for toupper() and tolower().
*/
void
mch_early_init(void)
{
int i;
PlatformId();
// Init the tables for toupper() and tolower()
for (i = 0; i < 256; ++i)
toupper_tab[i] = tolower_tab[i] = i;
CharUpperBuff((LPSTR)toupper_tab, 256);
CharLowerBuff((LPSTR)tolower_tab, 256);
}
/*
* Return TRUE if the input comes from a terminal, FALSE otherwise.
*/
int
mch_input_isatty(void)
{
#ifdef FEAT_GUI_MSWIN
# ifdef VIMDLL
if (gui.in_use)
# endif
return TRUE; // GUI always has a tty
#endif
#if !defined(FEAT_GUI_MSWIN) || defined(VIMDLL)
if (isatty(read_cmd_fd))
return TRUE;
return FALSE;
#endif
}
/*
* mch_settitle(): set titlebar of our window
*/
void
mch_settitle(
char_u *title,
char_u *icon UNUSED)
{
#ifdef FEAT_GUI_MSWIN
# ifdef VIMDLL
if (gui.in_use)
# endif
{
gui_mch_settitle(title, icon);
return;
}
#endif
#if !defined(FEAT_GUI_MSWIN) || defined(VIMDLL)
if (title != NULL)
{
WCHAR *wp = enc_to_utf16(title, NULL);
if (wp == NULL)
return;
SetConsoleTitleW(wp);
vim_free(wp);
return;
}
#endif
}
/*
* Restore the window/icon title.
* which is one of:
* SAVE_RESTORE_TITLE: Just restore title
* SAVE_RESTORE_ICON: Just restore icon (which we don't have)
* SAVE_RESTORE_BOTH: Restore title and icon (which we don't have)
*/
void
mch_restore_title(int which UNUSED)
{
#if !defined(FEAT_GUI_MSWIN) || defined(VIMDLL)
# ifdef VIMDLL
if (!gui.in_use)
# endif
SetConsoleTitle(g_szOrigTitle);
#endif
}
/*
* Return TRUE if we can restore the title (we can)
*/
int
mch_can_restore_title(void)
{
return TRUE;
}
/*
* Return TRUE if we can restore the icon title (we can't)
*/
int
mch_can_restore_icon(void)
{
return FALSE;
}
/*
* Get absolute file name into buffer "buf" of length "len" bytes,
* turning all '/'s into '\\'s and getting the correct case of each component
* of the file name. Append a (back)slash to a directory name.
* When 'shellslash' set do it the other way around.
* Return OK or FAIL.
*/
int
mch_FullName(
char_u *fname,
char_u *buf,
int len,
int force UNUSED)
{
int nResult = FAIL;
WCHAR *wname;
WCHAR wbuf[MAX_PATH];
char_u *cname = NULL;
wname = enc_to_utf16(fname, NULL);
if (wname != NULL && _wfullpath(wbuf, wname, MAX_PATH) != NULL)
{
cname = utf16_to_enc((short_u *)wbuf, NULL);
if (cname != NULL)
{
vim_strncpy(buf, cname, len - 1);
nResult = OK;
}
}
vim_free(wname);
vim_free(cname);
#ifdef USE_FNAME_CASE
fname_case(buf, len);
#else
slash_adjust(buf);
#endif
return nResult;
}
/*
* Return TRUE if "fname" does not depend on the current directory.
*/
int
mch_isFullName(char_u *fname)
{
// A name like "d:/foo" and "//server/share" is absolute. "d:foo" is not.
// Another way to check is to use mch_FullName() and see if the result is
// the same as the name or mch_FullName() fails. However, this has quite a
// bit of overhead, so let's not do that.
if (*fname == NUL)
return FALSE;
return ((ASCII_ISALPHA(fname[0]) && fname[1] == ':'
&& (fname[2] == '/' || fname[2] == '\\'))
|| (fname[0] == fname[1] && (fname[0] == '/' || fname[0] == '\\')));
}
/*
* Replace all slashes by backslashes.
* This used to be the other way around, but MS-DOS sometimes has problems
* with slashes (e.g. in a command name). We can't have mixed slashes and
* backslashes, because comparing file names will not work correctly. The
* commands that use a file name should try to avoid the need to type a
* backslash twice.
* When 'shellslash' set do it the other way around.
* When the path looks like a URL leave it unmodified.
*/
void
slash_adjust(char_u *p)
{
if (path_with_url(p))
return;
if (*p == '`')
{
size_t len = STRLEN(p);
// don't replace backslash in backtick quoted strings
if (len > 2 && *(p + len - 1) == '`')
return;
}
while (*p)
{
if (*p == psepcN)
*p = psepc;
MB_PTR_ADV(p);
}
}
static int
read_reparse_point(const WCHAR *name, char_u *buf, DWORD *buf_len)
{
HANDLE h;
BOOL ok;
h = CreateFileW(name, FILE_READ_ATTRIBUTES,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT,
NULL);
if (h == INVALID_HANDLE_VALUE)
return FAIL;
ok = DeviceIoControl(h, FSCTL_GET_REPARSE_POINT, NULL, 0, buf, *buf_len,
buf_len, NULL);
CloseHandle(h);
return ok ? OK : FAIL;
}
char_u *
resolve_appexeclink(char_u *fname)
{
DWORD attr = 0;
int idx;
WCHAR *p, *end, *wname;
// The buffer size is arbitrarily chosen to be "big enough" (TM), the
// ceiling should be around 16k.
char_u buf[4096];
DWORD buf_len = sizeof(buf);
REPARSE_DATA_BUFFER *rb = (REPARSE_DATA_BUFFER *)buf;
wname = enc_to_utf16(fname, NULL);
if (wname == NULL)
return NULL;
attr = GetFileAttributesW(wname);
if (attr == INVALID_FILE_ATTRIBUTES ||
(attr & FILE_ATTRIBUTE_REPARSE_POINT) == 0)
{
vim_free(wname);
return NULL;
}
// The applinks are similar to symlinks but with a huge difference: they can
// only be executed, any other I/O operation on them is bound to fail with
// ERROR_FILE_NOT_FOUND even though the file exists.
if (read_reparse_point(wname, buf, &buf_len) == FAIL)
{
vim_free(wname);
return NULL;
}
vim_free(wname);
if (rb->ReparseTag != IO_REPARSE_TAG_APPEXECLINK)
return NULL;
// The (undocumented) reparse buffer contains a set of N null-terminated
// Unicode strings, the application path is stored in the third one.
if (rb->AppExecLinkReparseBuffer.StringCount < 3)
return NULL;
p = rb->AppExecLinkReparseBuffer.StringList;
end = p + rb->ReparseDataLength / sizeof(WCHAR);
for (idx = 0; p < end
&& idx < (int)rb->AppExecLinkReparseBuffer.StringCount
&& idx != 2; )
{
if (*p++ == L'\0')
++idx;
}
return utf16_to_enc(p, NULL);
}
// Use 64-bit stat functions.
#undef stat
#undef _stat
#undef _wstat
#undef _fstat
#define stat _stat64
#define _stat _stat64
#define _wstat _wstat64
#define _fstat _fstat64
/*
* Implements lstat() and stat() that can handle symlinks properly.
*/
static int
mswin_stat_impl(const WCHAR *name, stat_T *stp, const int resolve)
{
int n;
int fd;
BOOL is_symlink = FALSE;
HANDLE hFind, h;
DWORD attr = 0;
DWORD flag = 0;
WIN32_FIND_DATAW findDataW;
#ifdef _UCRT
if (resolve)
// Universal CRT can handle symlinks properly.
return _wstat(name, stp);
#endif
hFind = FindFirstFileW(name, &findDataW);
if (hFind != INVALID_HANDLE_VALUE)
{
attr = findDataW.dwFileAttributes;
if ((attr & FILE_ATTRIBUTE_REPARSE_POINT)
&& (findDataW.dwReserved0 == IO_REPARSE_TAG_SYMLINK))
is_symlink = TRUE;
FindClose(hFind);
}
// Use the plain old stat() whenever it's possible.
if (!is_symlink)
return _wstat(name, stp);
if (!resolve && is_symlink)
flag = FILE_FLAG_OPEN_REPARSE_POINT;
if (attr & FILE_ATTRIBUTE_DIRECTORY)
flag |= FILE_FLAG_BACKUP_SEMANTICS;
h = CreateFileW(name, FILE_READ_ATTRIBUTES,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, flag,
NULL);
if (h == INVALID_HANDLE_VALUE)
return -1;
fd = _open_osfhandle((intptr_t)h, _O_RDONLY);
n = _fstat(fd, (struct _stat *)stp);
if ((n == 0) && (attr & FILE_ATTRIBUTE_DIRECTORY))
stp->st_mode = (stp->st_mode & ~S_IFMT) | S_IFDIR;
_close(fd);
return n;
}
/*
* stat() can't handle a trailing '/' or '\', remove it first.
* When 'resolve' is true behave as lstat() wrt symlinks.
*/
static int
stat_impl(const char *name, stat_T *stp, const int resolve)
{
// WinNT and later can use _MAX_PATH wide characters for a pathname, which
// means that the maximum pathname is _MAX_PATH * 3 bytes when 'enc' is
// UTF-8.
char_u buf[_MAX_PATH * 3 + 1];
char_u *p;
WCHAR *wp;
int n;
vim_strncpy((char_u *)buf, (char_u *)name, sizeof(buf) - 1);
p = buf + STRLEN(buf);
if (p > buf)
MB_PTR_BACK(buf, p);
// Remove trailing '\\' except root path.
if (p > buf && (*p == '\\' || *p == '/') && p[-1] != ':')
*p = NUL;
if ((buf[0] == '\\' && buf[1] == '\\') || (buf[0] == '/' && buf[1] == '/'))
{
// UNC root path must be followed by '\\'.
p = vim_strpbrk(buf + 2, (char_u *)"\\/");
if (p != NULL)
{
p = vim_strpbrk(p + 1, (char_u *)"\\/");
if (p == NULL)
STRCAT(buf, "\\");
}
}
wp = enc_to_utf16(buf, NULL);
if (wp == NULL)
return -1;
n = mswin_stat_impl(wp, stp, resolve);
vim_free(wp);
return n;
}
int
vim_lstat(const char *name, stat_T *stp)
{
return stat_impl(name, stp, FALSE);
}
int
vim_stat(const char *name, stat_T *stp)
{
return stat_impl(name, stp, TRUE);
}
#if (defined(FEAT_GUI_MSWIN) && !defined(VIMDLL)) || defined(PROTO)
void
mch_settmode(tmode_T tmode UNUSED)
{
// nothing to do
}
int
mch_get_shellsize(void)
{
// never used
return OK;
}
void
mch_set_shellsize(void)
{
// never used
}
/*
* Rows and/or Columns has changed.
*/
void
mch_new_shellsize(void)
{
// never used
}
#endif
/*
* We have no job control, so fake it by starting a new shell.
*/
void
mch_suspend(void)
{
suspend_shell();
}
#if defined(USE_MCH_ERRMSG) || defined(PROTO)
# ifdef display_errors
# undef display_errors
# endif
/*
* Display the saved error message(s).
*/
void
display_errors(void)
{
# ifdef FEAT_GUI
char_u *p;
# ifdef VIMDLL
if (gui.in_use || gui.starting)
# endif
{
if (error_ga.ga_data != NULL)
{
// avoid putting up a message box with blanks only
for (p = (char_u *)error_ga.ga_data; *p; ++p)
if (!SAFE_isspace(*p))
{
// Only use a dialog when not using --gui-dialog-file:
// write text to a file.
if (!gui_dialog_log((char_u *)"Errors", p))
(void)gui_mch_dialog(
gui.starting ? VIM_INFO :
VIM_ERROR,
gui.starting ? (char_u *)_("Message") :
(char_u *)_("Error"),
p, (char_u *)_("&Ok"),
1, NULL, FALSE);
break;
}
ga_clear(&error_ga);
}
return;
}
# endif
# if !defined(FEAT_GUI) || defined(VIMDLL)
FlushFileBuffers(GetStdHandle(STD_ERROR_HANDLE));
# endif
}
#endif
/*
* Return TRUE if "p" contain a wildcard that can be expanded by
* dos_expandpath().
*/
int
mch_has_exp_wildcard(char_u *p)
{
for ( ; *p; MB_PTR_ADV(p))
{
if (vim_strchr((char_u *)"?*[", *p) != NULL
|| (*p == '~' && p[1] != NUL))
return TRUE;
}
return FALSE;
}
/*
* Return TRUE if "p" contain a wildcard or a "~1" kind of thing (could be a
* shortened file name).
*/
int
mch_has_wildcard(char_u *p)
{
for ( ; *p; MB_PTR_ADV(p))
{
if (vim_strchr((char_u *)
#ifdef VIM_BACKTICK
"?*$[`"
#else
"?*$["
#endif
, *p) != NULL
|| (*p == '~' && p[1] != NUL))
return TRUE;
}
return FALSE;
}
/*
* The normal _chdir() does not change the default drive. This one does.
* Returning 0 implies success; -1 implies failure.
*/
int
mch_chdir(char *path)
{
WCHAR *p;
int n;
if (path[0] == NUL) // just checking...
return -1;
if (p_verbose >= 5)
{
verbose_enter();
smsg("chdir(%s)", path);
verbose_leave();
}
if (SAFE_isalpha(path[0]) && path[1] == ':') // has a drive name
{
// If we can change to the drive, skip that part of the path. If we
// can't then the current directory may be invalid, try using chdir()
// with the whole path.
if (_chdrive(TOLOWER_ASC(path[0]) - 'a' + 1) == 0)
path += 2;
}
if (*path == NUL) // drive name only
return 0;
p = enc_to_utf16((char_u *)path, NULL);
if (p == NULL)
return -1;
n = _wchdir(p);
vim_free(p);
return n;
}
#if defined(FEAT_GUI_MSWIN) && !defined(VIMDLL)
/*
* return non-zero if a character is available
*/
int
mch_char_avail(void)
{
// never used
return TRUE;
}
# if defined(FEAT_TERMINAL) || defined(PROTO)
/*
* Check for any pending input or messages.
*/
int
mch_check_messages(void)
{
// TODO: check for messages
return TRUE;
}
# endif
#endif
#if defined(FEAT_LIBCALL) || defined(PROTO)
/*
* Call a DLL routine which takes either a string or int param
* and returns an allocated string.
* Return OK if it worked, FAIL if not.
*/
typedef LPTSTR (*MYSTRPROCSTR)(LPTSTR);
typedef LPTSTR (*MYINTPROCSTR)(int);
typedef int (*MYSTRPROCINT)(LPTSTR);
typedef int (*MYINTPROCINT)(int);
/*
* Check if a pointer points to a valid NUL terminated string.
* Return the length of the string, including terminating NUL.
* Returns 0 for an invalid pointer, 1 for an empty string.
*/
static size_t
check_str_len(char_u *str)
{
SYSTEM_INFO si;
MEMORY_BASIC_INFORMATION mbi;
size_t length = 0;
size_t i;
const char_u *p;
// get page size
GetSystemInfo(&si);
// get memory information
if (!VirtualQuery(str, &mbi, sizeof(mbi)))
return 0;
// pre cast these (typing savers)
long_u dwStr = (long_u)str;
long_u dwBaseAddress = (long_u)mbi.BaseAddress;
// get start address of page that str is on
long_u strPage = dwStr - (dwStr - dwBaseAddress) % si.dwPageSize;
// get length from str to end of page
long_u pageLength = si.dwPageSize - (dwStr - strPage);
for (p = str; !IsBadReadPtr(p, (UINT)pageLength);
p += pageLength, pageLength = si.dwPageSize)
for (i = 0; i < pageLength; ++i, ++length)
if (p[i] == NUL)
return length + 1;
return 0;
}
/*
* Passed to do_in_runtimepath() to load a vim.ico file.
*/
static void
mch_icon_load_cb(char_u *fname, void *cookie)
{
HANDLE *h = (HANDLE *)cookie;
*h = LoadImage(NULL,
(LPSTR)fname,
IMAGE_ICON,
64,
64,
LR_LOADFROMFILE | LR_LOADMAP3DCOLORS);
}
/*
* Try loading an icon file from 'runtimepath'.
*/
int
mch_icon_load(HANDLE *iconp)
{
return do_in_runtimepath((char_u *)"bitmaps/vim.ico",
0, mch_icon_load_cb, iconp);
}
/*
* Fill the buffer 'buf' with 'len' random bytes.
* Returns FAIL if the OS PRNG is not available or something went wrong.
*/
int
mch_get_random(char_u *buf, int len)
{
static int initialized = NOTDONE;
static HINSTANCE hInstLib;
static BOOL (WINAPI *pProcessPrng)(PUCHAR, ULONG);
if (initialized == NOTDONE)
{
hInstLib = vimLoadLib("bcryptprimitives.dll");
if (hInstLib != NULL)
pProcessPrng = (void *)GetProcAddress(hInstLib, "ProcessPrng");
if (hInstLib == NULL || pProcessPrng == NULL)
{
FreeLibrary(hInstLib);
initialized = FAIL;
}
else
initialized = OK;
}
if (initialized == FAIL)
return FAIL;
// According to the documentation this call cannot fail.
pProcessPrng(buf, len);
return OK;
}
int
mch_libcall(
char_u *libname,
char_u *funcname,
char_u *argstring, // NULL when using a argint
int argint,
char_u **string_result,// NULL when using number_result
int *number_result)
{
HINSTANCE hinstLib;
MYSTRPROCSTR ProcAdd;
MYINTPROCSTR ProcAddI;
char_u *retval_str = NULL;
int retval_int = 0;
size_t len;
BOOL fRunTimeLinkSuccess = FALSE;
// Get a handle to the DLL module.
hinstLib = vimLoadLib((char *)libname);
// If the handle is valid, try to get the function address.
if (hinstLib != NULL)
{
# ifdef HAVE_TRY_EXCEPT
__try
{
# endif
if (argstring != NULL)
{
// Call with string argument
ProcAdd = (MYSTRPROCSTR)GetProcAddress(hinstLib, (LPCSTR)funcname);
if ((fRunTimeLinkSuccess = (ProcAdd != NULL)) != 0)
{
if (string_result == NULL)
retval_int = ((MYSTRPROCINT)ProcAdd)((LPSTR)argstring);
else
retval_str = (char_u *)(ProcAdd)((LPSTR)argstring);
}
}
else
{
// Call with number argument
ProcAddI = (MYINTPROCSTR) GetProcAddress(hinstLib, (LPCSTR)funcname);
if ((fRunTimeLinkSuccess = (ProcAddI != NULL)) != 0)
{
if (string_result == NULL)
retval_int = ((MYINTPROCINT)ProcAddI)(argint);
else
retval_str = (char_u *)(ProcAddI)(argint);
}
}
// Save the string before we free the library.
// Assume that a "1" result is an illegal pointer.
if (string_result == NULL)
*number_result = retval_int;
else if (retval_str != NULL
&& (len = check_str_len(retval_str)) > 0)
{
*string_result = alloc(len);
if (*string_result != NULL)
mch_memmove(*string_result, retval_str, len);
}
# ifdef HAVE_TRY_EXCEPT
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
if (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW)
_resetstkoflw();
fRunTimeLinkSuccess = 0;
}
# endif
// Free the DLL module.
(void)FreeLibrary(hinstLib);
}
if (!fRunTimeLinkSuccess)
{
semsg(_(e_library_call_failed_for_str), funcname);
return FAIL;
}
return OK;
}
#endif
/*
* Debugging helper: expose the MCH_WRITE_DUMP stuff to other modules
*/
void
DumpPutS(const char *psz UNUSED)
{
#ifdef MCH_WRITE_DUMP
if (fdDump)
{
fputs(psz, fdDump);
if (psz[strlen(psz) - 1] != '\n')
fputc('\n', fdDump);
fflush(fdDump);
}
#endif
}
#ifdef _DEBUG
void __cdecl
Trace(
char *pszFormat,
...)
{
CHAR szBuff[2048];
va_list args;
va_start(args, pszFormat);
vsprintf(szBuff, pszFormat, args);
va_end(args);
OutputDebugString(szBuff);
}
#endif //_DEBUG
#if !defined(FEAT_GUI) || defined(VIMDLL) || defined(PROTO)
extern HWND g_hWnd; // This is in os_win32.c.
/*
* Showing the printer dialog is tricky since we have no GUI
* window to parent it. The following routines are needed to
* get the window parenting and Z-order to work properly.
*/
static void
GetConsoleHwnd(void)
{
// Skip if it's already set.
if (s_hwnd != 0)
return;
// Window handle may have been found by init code (Windows NT only)
if (g_hWnd != 0)
{
s_hwnd = g_hWnd;
return;
}
s_hwnd = GetConsoleWindow();
}
/*
* Console implementation of ":winpos".
*/
int
mch_get_winpos(int *x, int *y)
{
RECT rect;
GetConsoleHwnd();
GetWindowRect(s_hwnd, &rect);
*x = rect.left;
*y = rect.top;
return OK;
}
/*
* Console implementation of ":winpos x y".
*/
void
mch_set_winpos(int x, int y)
{
GetConsoleHwnd();
SetWindowPos(s_hwnd, NULL, x, y, 0, 0,
SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
}
#endif
#if (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) || defined(PROTO)
//=================================================================
// Win32 printer stuff
static HFONT prt_font_handles[2][2][2];
static PRINTDLGW prt_dlg;
static const int boldface[2] = {FW_REGULAR, FW_BOLD};
static TEXTMETRIC prt_tm;
static int prt_line_height;
static int prt_number_width;
static int prt_left_margin;
static int prt_right_margin;
static int prt_top_margin;
static char_u szAppName[] = TEXT("VIM");
static HWND hDlgPrint;
static int *bUserAbort = NULL;
static char_u *prt_name = NULL;
// Defines which are also in vim.rc.
# define IDC_BOX1 400
# define IDC_PRINTTEXT1 401
# define IDC_PRINTTEXT2 402
# define IDC_PROGRESS 403
static BOOL
vimSetDlgItemText(HWND hDlg, int nIDDlgItem, char_u *s)
{
WCHAR *wp;
BOOL ret;
wp = enc_to_utf16(s, NULL);
if (wp == NULL)
return FALSE;
ret = SetDlgItemTextW(hDlg, nIDDlgItem, wp);
vim_free(wp);
return ret;
}
/*
* Convert BGR to RGB for Windows GDI calls
*/
static COLORREF
swap_me(COLORREF colorref)
{
int temp;
char *ptr = (char *)&colorref;
temp = *(ptr);
*(ptr ) = *(ptr + 2);
*(ptr + 2) = temp;
return colorref;
}
static INT_PTR CALLBACK
PrintDlgProc(
HWND hDlg,
UINT message,
WPARAM wParam UNUSED,
LPARAM lParam UNUSED)
{
# ifdef FEAT_GETTEXT
NONCLIENTMETRICS nm;
static HFONT hfont;
# endif
switch (message)
{
case WM_INITDIALOG:
# ifdef FEAT_GETTEXT
nm.cbSize = sizeof(NONCLIENTMETRICS);
if (SystemParametersInfo(
SPI_GETNONCLIENTMETRICS,
sizeof(NONCLIENTMETRICS),
&nm,
0))
{
char buff[MAX_PATH];
int i;
// Translate the dialog texts
hfont = CreateFontIndirect(&nm.lfMessageFont);
for (i = IDC_PRINTTEXT1; i <= IDC_PROGRESS; i++)
{
SendDlgItemMessage(hDlg, i, WM_SETFONT, (WPARAM)hfont, 1);
if (GetDlgItemText(hDlg,i, buff, sizeof(buff)))
vimSetDlgItemText(hDlg,i, (char_u *)_(buff));
}
SendDlgItemMessage(hDlg, IDCANCEL,
WM_SETFONT, (WPARAM)hfont, 1);
if (GetDlgItemText(hDlg,IDCANCEL, buff, sizeof(buff)))
vimSetDlgItemText(hDlg,IDCANCEL, (char_u *)_(buff));
}
# endif
SetWindowText(hDlg, (LPCSTR)szAppName);
if (prt_name != NULL)
{
vimSetDlgItemText(hDlg, IDC_PRINTTEXT2, (char_u *)prt_name);
VIM_CLEAR(prt_name);
}
EnableMenuItem(GetSystemMenu(hDlg, FALSE), SC_CLOSE, MF_GRAYED);
# if !defined(FEAT_GUI) || defined(VIMDLL)
# ifdef VIMDLL
if (!gui.in_use)
# endif
BringWindowToTop(s_hwnd);
# endif
return TRUE;
case WM_COMMAND:
*bUserAbort = TRUE;
EnableWindow(GetParent(hDlg), TRUE);
DestroyWindow(hDlg);
hDlgPrint = NULL;
# ifdef FEAT_GETTEXT
DeleteObject(hfont);
# endif
return TRUE;
}
return FALSE;
}
static BOOL CALLBACK
AbortProc(HDC hdcPrn UNUSED, int iCode UNUSED)
{
MSG msg;
while (!*bUserAbort && PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
{
if (!hDlgPrint || !IsDialogMessageW(hDlgPrint, &msg))
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
return !*bUserAbort;
}
# if !defined(FEAT_GUI) || defined(VIMDLL)
static UINT_PTR CALLBACK
PrintHookProc(
HWND hDlg, // handle to dialog box
UINT uiMsg, // message identifier
WPARAM wParam UNUSED, // message parameter
LPARAM lParam // message parameter
)
{
HWND hwndOwner;
RECT rc, rcDlg, rcOwner;
PRINTDLGW *pPD;
if (uiMsg != WM_INITDIALOG)
return FALSE;
// Get the owner window and dialog box rectangles.
if ((hwndOwner = GetParent(hDlg)) == NULL)
hwndOwner = GetDesktopWindow();
GetWindowRect(hwndOwner, &rcOwner);
GetWindowRect(hDlg, &rcDlg);
CopyRect(&rc, &rcOwner);
// Offset the owner and dialog box rectangles so that
// right and bottom values represent the width and
// height, and then offset the owner again to discard
// space taken up by the dialog box.
OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
OffsetRect(&rc, -rc.left, -rc.top);
OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
// The new position is the sum of half the remaining
// space and the owner's original position.
SetWindowPos(hDlg,
HWND_TOP,
rcOwner.left + (rc.right / 2),
rcOwner.top + (rc.bottom / 2),
0, 0, // ignores size arguments
SWP_NOSIZE);
// tackle the printdlg copiesctrl problem
pPD = (PRINTDLGW *)lParam;
pPD->nCopies = (WORD)pPD->lCustData;
SetDlgItemInt( hDlg, edt3, pPD->nCopies, FALSE );
// Bring the window to top
BringWindowToTop(GetParent(hDlg));
SetForegroundWindow(hDlg);
return FALSE;
}
# endif
void
mch_print_cleanup(void)
{
int pifItalic;
int pifBold;
int pifUnderline;
for (pifBold = 0; pifBold <= 1; pifBold++)
for (pifItalic = 0; pifItalic <= 1; pifItalic++)
for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
DeleteObject(prt_font_handles[pifBold][pifItalic][pifUnderline]);
if (prt_dlg.hDC != NULL)
DeleteDC(prt_dlg.hDC);
if (!*bUserAbort)
SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
}
static int
to_device_units(int idx, int dpi, int physsize, int offset, int def_number)
{
int ret = 0;
int u;
int nr;
u = prt_get_unit(idx);
if (u == PRT_UNIT_NONE)
{
u = PRT_UNIT_PERC;
nr = def_number;
}
else
nr = printer_opts[idx].number;
switch (u)
{
case PRT_UNIT_PERC:
ret = (physsize * nr) / 100;
break;
case PRT_UNIT_INCH:
ret = (nr * dpi);
break;
case PRT_UNIT_MM:
ret = (nr * 10 * dpi) / 254;
break;
case PRT_UNIT_POINT:
ret = (nr * 10 * dpi) / 720;
break;
}
if (ret < offset)
return 0;
else
return ret - offset;
}
static int
prt_get_cpl(void)
{
int hr;
int phyw;
int dvoff;
int rev_offset;
int dpi;
GetTextMetrics(prt_dlg.hDC, &prt_tm);
prt_line_height = prt_tm.tmHeight + prt_tm.tmExternalLeading;
hr = GetDeviceCaps(prt_dlg.hDC, HORZRES);
phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALWIDTH);
dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETX);
dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSX);
rev_offset = phyw - (dvoff + hr);
prt_left_margin = to_device_units(OPT_PRINT_LEFT, dpi, phyw, dvoff, 10);
if (prt_use_number())
{
prt_number_width = PRINT_NUMBER_WIDTH * prt_tm.tmAveCharWidth;
prt_left_margin += prt_number_width;
}
else
prt_number_width = 0;
prt_right_margin = hr - to_device_units(OPT_PRINT_RIGHT, dpi, phyw,
rev_offset, 5);
return (prt_right_margin - prt_left_margin) / prt_tm.tmAveCharWidth;
}
static int
prt_get_lpp(void)
{
int vr;
int phyw;
int dvoff;
int rev_offset;
int bottom_margin;
int dpi;
vr = GetDeviceCaps(prt_dlg.hDC, VERTRES);
phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALHEIGHT);
dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETY);
dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSY);
rev_offset = phyw - (dvoff + vr);
prt_top_margin = to_device_units(OPT_PRINT_TOP, dpi, phyw, dvoff, 5);
// adjust top margin if there is a header
prt_top_margin += prt_line_height * prt_header_height();
bottom_margin = vr - to_device_units(OPT_PRINT_BOT, dpi, phyw,
rev_offset, 5);
return (bottom_margin - prt_top_margin) / prt_line_height;
}
int
mch_print_init(prt_settings_T *psettings, char_u *jobname, int forceit)
{
static HGLOBAL stored_dm = NULL;
static HGLOBAL stored_devn = NULL;
static int stored_nCopies = 1;
static int stored_nFlags = 0;
LOGFONTW fLogFont;
int pifItalic;
int pifBold;
int pifUnderline;
DEVMODEW *mem;
DEVNAMES *devname;
int i;
DWORD err;
bUserAbort = &(psettings->user_abort);
CLEAR_FIELD(prt_dlg);
prt_dlg.lStructSize = sizeof(PRINTDLGW);
# if !defined(FEAT_GUI) || defined(VIMDLL)
# ifdef VIMDLL
if (!gui.in_use)
# endif
GetConsoleHwnd(); // get value of s_hwnd
# endif
prt_dlg.hwndOwner = s_hwnd;
prt_dlg.Flags = PD_NOPAGENUMS | PD_NOSELECTION | PD_RETURNDC;
if (!forceit)
{
prt_dlg.hDevMode = stored_dm;
prt_dlg.hDevNames = stored_devn;
prt_dlg.lCustData = stored_nCopies; // work around bug in print dialog
# if !defined(FEAT_GUI) || defined(VIMDLL)
# ifdef VIMDLL
if (!gui.in_use)
# endif
{
/*
* Use hook to prevent console window being sent to back
*/
prt_dlg.lpfnPrintHook = PrintHookProc;
prt_dlg.Flags |= PD_ENABLEPRINTHOOK;
}
# endif
prt_dlg.Flags |= stored_nFlags;
}
/*
* If bang present, return default printer setup with no dialog
* never show dialog if we are running over telnet
*/
if (forceit
# if !defined(FEAT_GUI) || defined(VIMDLL)
# ifdef VIMDLL
|| (!gui.in_use && !term_console)
# else
|| !term_console
# endif
# endif
)
{
prt_dlg.Flags |= PD_RETURNDEFAULT;
/*
* MSDN suggests setting the first parameter to WINSPOOL for
* NT, but NULL appears to work just as well.
*/
if (*p_pdev != NUL)
prt_dlg.hDC = CreateDC(NULL, (LPCSTR)p_pdev, NULL, NULL);
else
{
prt_dlg.Flags |= PD_RETURNDEFAULT;
if (PrintDlgW(&prt_dlg) == 0)
goto init_fail_dlg;
}
}
else if (PrintDlgW(&prt_dlg) == 0)
goto init_fail_dlg;
else
{
/*
* keep the previous driver context
*/
stored_dm = prt_dlg.hDevMode;
stored_devn = prt_dlg.hDevNames;
stored_nFlags = prt_dlg.Flags;
stored_nCopies = prt_dlg.nCopies;
}
if (prt_dlg.hDC == NULL)
{
emsg(_(e_printer_selection_failed));
mch_print_cleanup();
return FALSE;
}
// Not all printer drivers report the support of color (or grey) in the
// same way. Let's set has_color if there appears to be some way to print
// more than B&W.
i = GetDeviceCaps(prt_dlg.hDC, NUMCOLORS);
psettings->has_color = (GetDeviceCaps(prt_dlg.hDC, BITSPIXEL) > 1
|| GetDeviceCaps(prt_dlg.hDC, PLANES) > 1
|| i > 2 || i == -1);
// Ensure all font styles are baseline aligned
SetTextAlign(prt_dlg.hDC, TA_BASELINE|TA_LEFT);
/*
* On some windows systems the nCopies parameter is not
* passed back correctly. It must be retrieved from the
* hDevMode struct.
*/
mem = (DEVMODEW *)GlobalLock(prt_dlg.hDevMode);
if (mem != NULL)
{
if (mem->dmCopies != 1)
stored_nCopies = mem->dmCopies;
if ((mem->dmFields & DM_DUPLEX) && (mem->dmDuplex & ~DMDUP_SIMPLEX))
psettings->duplex = TRUE;
if ((mem->dmFields & DM_COLOR) && (mem->dmColor & DMCOLOR_COLOR))
psettings->has_color = TRUE;
}
GlobalUnlock(prt_dlg.hDevMode);
devname = (DEVNAMES *)GlobalLock(prt_dlg.hDevNames);
if (devname != 0)
{
WCHAR *wprinter_name = (WCHAR *)devname + devname->wDeviceOffset;
WCHAR *wport_name = (WCHAR *)devname + devname->wOutputOffset;
char_u *text = (char_u *)_("to %s on %s");
char_u *printer_name = utf16_to_enc(wprinter_name, NULL);
char_u *port_name = utf16_to_enc(wport_name, NULL);
if (printer_name != NULL && port_name != NULL)
prt_name = alloc(STRLEN(printer_name)
+ STRLEN(port_name) + STRLEN(text));
if (prt_name != NULL)
wsprintf((char *)prt_name, (const char *)text,
printer_name, port_name);
vim_free(printer_name);
vim_free(port_name);
}
GlobalUnlock(prt_dlg.hDevNames);
/*
* Initialise the font according to 'printfont'
*/
CLEAR_FIELD(fLogFont);
if (get_logfont(&fLogFont, p_pfn, prt_dlg.hDC, TRUE) == FAIL)
{
semsg(_(e_unknown_printer_font_str), p_pfn);
mch_print_cleanup();
return FALSE;
}
for (pifBold = 0; pifBold <= 1; pifBold++)
for (pifItalic = 0; pifItalic <= 1; pifItalic++)
for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
{
fLogFont.lfWeight = boldface[pifBold];
fLogFont.lfItalic = pifItalic;
fLogFont.lfUnderline = pifUnderline;
prt_font_handles[pifBold][pifItalic][pifUnderline]
= CreateFontIndirectW(&fLogFont);
}
SetBkMode(prt_dlg.hDC, OPAQUE);
SelectObject(prt_dlg.hDC, prt_font_handles[0][0][0]);
/*
* Fill in the settings struct
*/
psettings->chars_per_line = prt_get_cpl();
psettings->lines_per_page = prt_get_lpp();
if (prt_dlg.Flags & PD_USEDEVMODECOPIESANDCOLLATE)
{
psettings->n_collated_copies = (prt_dlg.Flags & PD_COLLATE)
? prt_dlg.nCopies : 1;
psettings->n_uncollated_copies = (prt_dlg.Flags & PD_COLLATE)
? 1 : prt_dlg.nCopies;
if (psettings->n_collated_copies == 0)
psettings->n_collated_copies = 1;
if (psettings->n_uncollated_copies == 0)
psettings->n_uncollated_copies = 1;
}
else
{
psettings->n_collated_copies = 1;
psettings->n_uncollated_copies = 1;
}
psettings->jobname = jobname;
return TRUE;
init_fail_dlg:
err = CommDlgExtendedError();
if (err)
{
char_u *buf;
// I suspect FormatMessage() doesn't work for values returned by
// CommDlgExtendedError(). What does?
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, err, 0, (LPTSTR)(&buf), 0, NULL);
semsg(_(e_print_error_str),
buf == NULL ? (char_u *)_("Unknown") : buf);
LocalFree((LPVOID)(buf));
}
else
msg_clr_eos(); // Maybe canceled
mch_print_cleanup();
return FALSE;
}
int
mch_print_begin(prt_settings_T *psettings)
{
int ret = 0;
char szBuffer[300];
WCHAR *wp;
hDlgPrint = CreateDialog(g_hinst, TEXT("PrintDlgBox"),
prt_dlg.hwndOwner, PrintDlgProc);
SetAbortProc(prt_dlg.hDC, AbortProc);
wsprintf(szBuffer, _("Printing '%s'"), gettail(psettings->jobname));
vimSetDlgItemText(hDlgPrint, IDC_PRINTTEXT1, (char_u *)szBuffer);
wp = enc_to_utf16(psettings->jobname, NULL);
if (wp != NULL)
{
DOCINFOW di;
CLEAR_FIELD(di);
di.cbSize = sizeof(di);
di.lpszDocName = wp;
ret = StartDocW(prt_dlg.hDC, &di);
vim_free(wp);
}
# ifdef FEAT_GUI
// Give focus back to main window (when using MDI).
# ifdef VIMDLL
if (gui.in_use)
# endif
SetFocus(s_hwnd);
# endif
return (ret > 0);
}
void
mch_print_end(prt_settings_T *psettings UNUSED)
{
EndDoc(prt_dlg.hDC);
if (!*bUserAbort)
SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
}
int
mch_print_end_page(void)
{
return (EndPage(prt_dlg.hDC) > 0);
}
int
mch_print_begin_page(char_u *msg)
{
if (msg != NULL)
vimSetDlgItemText(hDlgPrint, IDC_PROGRESS, msg);
return (StartPage(prt_dlg.hDC) > 0);
}
int
mch_print_blank_page(void)
{
return (mch_print_begin_page(NULL) ? (mch_print_end_page()) : FALSE);
}
static int prt_pos_x = 0;
static int prt_pos_y = 0;
void
mch_print_start_line(int margin, int page_line)
{
if (margin)
prt_pos_x = -prt_number_width;
else
prt_pos_x = 0;
prt_pos_y = page_line * prt_line_height
+ prt_tm.tmAscent + prt_tm.tmExternalLeading;
}
int
mch_print_text_out(char_u *p, int len)
{
SIZE sz;
WCHAR *wp;
int wlen = len;
int ret = FALSE;
wp = enc_to_utf16(p, &wlen);
if (wp == NULL)
return FALSE;
TextOutW(prt_dlg.hDC, prt_pos_x + prt_left_margin,
prt_pos_y + prt_top_margin, wp, wlen);
GetTextExtentPoint32W(prt_dlg.hDC, wp, wlen, &sz);
vim_free(wp);
prt_pos_x += (sz.cx - prt_tm.tmOverhang);
// This is wrong when printing spaces for a TAB.
if (p[len] != NUL)
{
wlen = mb_ptr2len(p + len);
wp = enc_to_utf16(p + len, &wlen);
if (wp != NULL)
{
GetTextExtentPoint32W(prt_dlg.hDC, wp, 1, &sz);
ret = (prt_pos_x + prt_left_margin + sz.cx > prt_right_margin);
vim_free(wp);
}
}
return ret;
}
void
mch_print_set_font(int iBold, int iItalic, int iUnderline)
{
SelectObject(prt_dlg.hDC, prt_font_handles[iBold][iItalic][iUnderline]);
}
void
mch_print_set_bg(long_u bgcol)
{
SetBkColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
swap_me((COLORREF)bgcol)));
/*
* With a white background we can draw characters transparent, which is
* good for italic characters that overlap to the next char cell.
*/
if (bgcol == 0xffffffUL)
SetBkMode(prt_dlg.hDC, TRANSPARENT);
else
SetBkMode(prt_dlg.hDC, OPAQUE);
}
void
mch_print_set_fg(long_u fgcol)
{
SetTextColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
swap_me((COLORREF)fgcol)));
}
#endif // FEAT_PRINTER && !FEAT_POSTSCRIPT
#if defined(FEAT_SHORTCUT) || defined(PROTO)
# ifndef PROTO
# include <shlobj.h>
# endif
# define is_path_sep(c) ((c) == L'\\' || (c) == L'/')
static int
is_reparse_point_included(LPCWSTR fname)
{
LPCWSTR p = fname, q;
WCHAR buf[MAX_PATH];
DWORD attr;
if (SAFE_isalpha(p[0]) && p[1] == L':' && is_path_sep(p[2]))
p += 3;
else if (is_path_sep(p[0]) && is_path_sep(p[1]))
p += 2;
while (*p != L'\0')
{
q = wcspbrk(p, L"\\/");
if (q == NULL)
p = q = fname + wcslen(fname);
else
p = q + 1;
if (q - fname >= MAX_PATH)
return FALSE;
wcsncpy(buf, fname, q - fname);
buf[q - fname] = L'\0';
attr = GetFileAttributesW(buf);
if (attr != INVALID_FILE_ATTRIBUTES
&& (attr & FILE_ATTRIBUTE_REPARSE_POINT) != 0)
return TRUE;
}
return FALSE;
}
/*
* Return the resolved file path, NULL if "fname" is an AppExecLink reparse
* point, already fully resolved, or it doesn't exists.
*/
char_u *
resolve_reparse_point(char_u *fname)
{
HANDLE h = INVALID_HANDLE_VALUE;
DWORD size;
WCHAR *p, *wp;
char_u *rfname = NULL;
WCHAR *buff = NULL;
p = enc_to_utf16(fname, NULL);
if (p == NULL)
goto fail;
if (!is_reparse_point_included(p))
{
vim_free(p);
goto fail;
}
h = CreateFileW(p, 0, 0, NULL, OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS, NULL);
vim_free(p);
if (h == INVALID_HANDLE_VALUE)
goto fail;
size = GetFinalPathNameByHandleW(h, NULL, 0, 0);
if (size == 0)
goto fail;
buff = ALLOC_MULT(WCHAR, size);
if (buff == NULL)
goto fail;
if (GetFinalPathNameByHandleW(h, buff, size, 0) == 0)
goto fail;
if (wcsncmp(buff, L"\\\\?\\UNC\\", 8) == 0)
{
buff[6] = L'\\';
wp = buff + 6;
}
else if (wcsncmp(buff, L"\\\\?\\", 4) == 0)
wp = buff + 4;
else
wp = buff;
rfname = utf16_to_enc(wp, NULL);
fail:
if (h != INVALID_HANDLE_VALUE)
CloseHandle(h);
if (buff != NULL)
vim_free(buff);
return rfname;
}
/*
* When "fname" is the name of a shortcut (*.lnk) resolve the file it points
* to and return that name in allocated memory.
* Otherwise NULL is returned.
*/
static char_u *
resolve_shortcut(char_u *fname)
{
HRESULT hr;
IShellLink *psl = NULL;
IPersistFile *ppf = NULL;
OLECHAR wsz[MAX_PATH];
char_u *rfname = NULL;
int len;
IShellLinkW *pslw = NULL;
WIN32_FIND_DATAW ffdw; // we get those free of charge
// Check if the file name ends in ".lnk". Avoid calling
// CoCreateInstance(), it's quite slow.
if (fname == NULL)
return rfname;
len = (int)STRLEN(fname);
if (len <= 4 || STRNICMP(fname + len - 4, ".lnk", 4) != 0)
return rfname;
CoInitialize(NULL);
// create a link manager object and request its interface
hr = CoCreateInstance(
&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
&IID_IShellLinkW, (void**)&pslw);
if (hr == S_OK)
{
WCHAR *p = enc_to_utf16(fname, NULL);
if (p != NULL)
{
// Get a pointer to the IPersistFile interface.
hr = pslw->lpVtbl->QueryInterface(
pslw, &IID_IPersistFile, (void**)&ppf);
if (hr != S_OK)
goto shortcut_errorw;
// "load" the name and resolve the link
hr = ppf->lpVtbl->Load(ppf, p, STGM_READ);
if (hr != S_OK)
goto shortcut_errorw;
# if 0 // This makes Vim wait a long time if the target does not exist.
hr = pslw->lpVtbl->Resolve(pslw, NULL, SLR_NO_UI);
if (hr != S_OK)
goto shortcut_errorw;
# endif
// Get the path to the link target.
ZeroMemory(wsz, MAX_PATH * sizeof(WCHAR));
hr = pslw->lpVtbl->GetPath(pslw, wsz, MAX_PATH, &ffdw, 0);
if (hr == S_OK && wsz[0] != NUL)
rfname = utf16_to_enc(wsz, NULL);
shortcut_errorw:
vim_free(p);
}
}
// Release all interface pointers (both belong to the same object)
if (ppf != NULL)
ppf->lpVtbl->Release(ppf);
if (psl != NULL)
psl->lpVtbl->Release(psl);
if (pslw != NULL)
pslw->lpVtbl->Release(pslw);
CoUninitialize();
return rfname;
}
char_u *
mch_resolve_path(char_u *fname, int reparse_point)
{
char_u *path = resolve_shortcut(fname);
if (path == NULL && reparse_point)
path = resolve_reparse_point(fname);
return path;
}
#endif
#if (defined(FEAT_EVAL) && (!defined(FEAT_GUI) || defined(VIMDLL))) || defined(PROTO)
/*
* Bring ourselves to the foreground. Does work if the OS doesn't allow it.
*/
void
win32_set_foreground(void)
{
GetConsoleHwnd(); // get value of s_hwnd
if (s_hwnd != 0)
SetForegroundWindow(s_hwnd);
}
#endif
#if defined(FEAT_CLIENTSERVER) || defined(PROTO)
/*
* Client-server code for Vim
*
* Originally written by Paul Moore
*/
// In order to handle inter-process messages, we need to have a window. But
// the functions in this module can be called before the main GUI window is
// created (and may also be called in the console version, where there is no
// GUI window at all).
//
// So we create a hidden window, and arrange to destroy it on exit.
HWND message_window = 0; // window that's handling messages
# define VIM_CLASSNAME "VIM_MESSAGES"
# define VIM_CLASSNAME_LEN (sizeof(VIM_CLASSNAME) - 1)
// Timeout for sending a message to another Vim instance. Normally this works
// instantly, but it may hang when the other Vim instance is halted.
# define SENDMESSAGE_TIMEOUT (5 * 1000)
// Communication is via WM_COPYDATA messages. The message type is sent in
// the dwData parameter. Types are defined here.
# define COPYDATA_KEYS 0
# define COPYDATA_REPLY 1
# define COPYDATA_EXPR 10
# define COPYDATA_RESULT 11
# define COPYDATA_ERROR_RESULT 12
# define COPYDATA_ENCODING 20
// This is a structure containing a server HWND and its name.
struct server_id
{
HWND hwnd;
char_u *name;
};
// Last received 'encoding' that the client uses.
static char_u *client_enc = NULL;
/*
* Tell the other side what encoding we are using.
* Return -1 if timeout happens. Other errors are ignored.
*/
static int
serverSendEnc(HWND target)
{
COPYDATASTRUCT data;
data.dwData = COPYDATA_ENCODING;
data.cbData = (DWORD)STRLEN(p_enc) + 1;
data.lpData = p_enc;
if (SendMessageTimeout(target, WM_COPYDATA,
(WPARAM)message_window, (LPARAM)&data,
SMTO_ABORTIFHUNG, SENDMESSAGE_TIMEOUT, NULL) == 0)
return -1;
return 0;
}
/*
* Clean up on exit. This destroys the hidden message window.
*/
static void
CleanUpMessaging(void)
{
if (message_window == 0)
return;
DestroyWindow(message_window);
message_window = 0;
}
static int save_reply(HWND server, char_u *reply, int expr);
/*
* The window procedure for the hidden message window.
* It handles callback messages and notifications from servers.
* In order to process these messages, it is necessary to run a
* message loop. Code which may run before the main message loop
* is started (in the GUI) is careful to pump messages when it needs
* to. Features which require message delivery during normal use will
* not work in the console version - this basically means those
* features which allow Vim to act as a server, rather than a client.
*/
static LRESULT CALLBACK
Messaging_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if (msg == WM_COPYDATA)
{
// This is a message from another Vim. The dwData member of the
// COPYDATASTRUCT determines the type of message:
// COPYDATA_ENCODING:
// The encoding that the client uses. Following messages will
// use this encoding, convert if needed.
// COPYDATA_KEYS:
// A key sequence. We are a server, and a client wants these keys
// adding to the input queue.
// COPYDATA_REPLY:
// A reply. We are a client, and a server has sent this message
// in response to a request. (server2client())
// COPYDATA_EXPR:
// An expression. We are a server, and a client wants us to
// evaluate this expression.
// COPYDATA_RESULT:
// A reply. We are a client, and a server has sent this message
// in response to a COPYDATA_EXPR.
// COPYDATA_ERROR_RESULT:
// A reply. We are a client, and a server has sent this message
// in response to a COPYDATA_EXPR that failed to evaluate.
COPYDATASTRUCT *data = (COPYDATASTRUCT*)lParam;
HWND sender = (HWND)wParam;
COPYDATASTRUCT reply;
char_u *res;
int retval;
DWORD_PTR dwret = 0;
char_u *str;
char_u *tofree;
switch (data->dwData)
{
case COPYDATA_ENCODING:
// Remember the encoding that the client uses.
vim_free(client_enc);
client_enc = enc_canonize((char_u *)data->lpData);
return 1;
case COPYDATA_KEYS:
// Remember who sent this, for <client>
clientWindow = sender;
// Add the received keys to the input buffer. The loop waiting
// for the user to do something should check the input buffer.
str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
server_to_input_buf(str);
vim_free(tofree);
# ifdef FEAT_GUI
// Wake up the main GUI loop.
# ifdef VIMDLL
if (gui.in_use)
# endif
if (s_hwnd != 0)
PostMessage(s_hwnd, WM_NULL, 0, 0);
# endif
return 1;
case COPYDATA_EXPR:
// Remember who sent this, for <client>
clientWindow = sender;
str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
res = eval_client_expr_to_string(str);
if (res == NULL)
{
char *err = _(e_invalid_expression_received);
size_t len = STRLEN(str) + STRLEN(err) + 5;
res = alloc(len);
if (res != NULL)
vim_snprintf((char *)res, len, "%s: \"%s\"", err, str);
reply.dwData = COPYDATA_ERROR_RESULT;
}
else
reply.dwData = COPYDATA_RESULT;
reply.lpData = res;
reply.cbData = (DWORD)STRLEN(res) + 1;
if (serverSendEnc(sender) < 0)
retval = -1;
else
{
if (SendMessageTimeout(sender, WM_COPYDATA,
(WPARAM)message_window, (LPARAM)&reply,
SMTO_ABORTIFHUNG, SENDMESSAGE_TIMEOUT, &dwret) == 0)
retval = -1;
else
retval = (int)dwret;
}
vim_free(tofree);
vim_free(res);
return retval;
case COPYDATA_REPLY:
case COPYDATA_RESULT:
case COPYDATA_ERROR_RESULT:
if (data->lpData != NULL)
{
str = serverConvert(client_enc, (char_u *)data->lpData,
&tofree);
if (tofree == NULL)
str = vim_strsave(str);
if (save_reply(sender, str,
(data->dwData == COPYDATA_REPLY ? 0 :
(data->dwData == COPYDATA_RESULT ? 1 :
2))) == FAIL)
vim_free(str);
else if (data->dwData == COPYDATA_REPLY)
{
char_u winstr[30];
sprintf((char *)winstr, PRINTF_HEX_LONG_U, (long_u)sender);
apply_autocmds(EVENT_REMOTEREPLY, winstr, str,
TRUE, curbuf);
}
}
return 1;
}
return 0;
}
else if (msg == WM_ACTIVATE && wParam == WA_ACTIVE)
{
// When the message window is activated (brought to the foreground),
// this actually applies to the text window.
# if !defined(FEAT_GUI) || defined(VIMDLL)
# ifdef VIMDLL
if (!gui.in_use)
# endif
GetConsoleHwnd(); // get value of s_hwnd
# endif
if (s_hwnd != 0)
{
SetForegroundWindow(s_hwnd);
return 0;
}
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
/*
* Initialise the message handling process. This involves creating a window
* to handle messages - the window will not be visible.
*/
void
serverInitMessaging(void)
{
WNDCLASS wndclass;
// Clean up on exit
atexit(CleanUpMessaging);
// Register a window class - we only really care
// about the window procedure
wndclass.style = 0;
wndclass.lpfnWndProc = Messaging_WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = g_hinst;
wndclass.hIcon = NULL;
wndclass.hCursor = NULL;
wndclass.hbrBackground = NULL;
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = VIM_CLASSNAME;
RegisterClass(&wndclass);
// Create the message window. It will be hidden, so the details don't
// matter. Don't use WS_OVERLAPPEDWINDOW, it will make a shortcut remove
// focus from gvim.
message_window = CreateWindow(VIM_CLASSNAME, "",
WS_POPUPWINDOW | WS_CAPTION,
CW_USEDEFAULT, CW_USEDEFAULT,
100, 100, NULL, NULL,
g_hinst, NULL);
}
// Used by serverSendToVim() to find an alternate server name.
static char_u *altname_buf_ptr = NULL;
/*
* Get the title of the window "hwnd", which is the Vim server name, in
* "name[namelen]" and return the length.
* Returns zero if window "hwnd" is not a Vim server.
*/
static int
getVimServerName(HWND hwnd, char *name, int namelen)
{
int len;
char buffer[VIM_CLASSNAME_LEN + 1];
// Ignore windows which aren't Vim message windows
len = GetClassName(hwnd, buffer, sizeof(buffer));
if (len != VIM_CLASSNAME_LEN || STRCMP(buffer, VIM_CLASSNAME) != 0)
return 0;
// Get the title of the window
return GetWindowText(hwnd, name, namelen);
}
static BOOL CALLBACK
enumWindowsGetServer(HWND hwnd, LPARAM lparam)
{
struct server_id *id = (struct server_id *)lparam;
char server[MAX_PATH];
// Get the title of the window
if (getVimServerName(hwnd, server, sizeof(server)) == 0)
return TRUE;
// If this is the server we're looking for, return its HWND
if (STRICMP(server, id->name) == 0)
{
id->hwnd = hwnd;
return FALSE;
}
// If we are looking for an alternate server, remember this name.
if (altname_buf_ptr != NULL
&& STRNICMP(server, id->name, STRLEN(id->name)) == 0
&& vim_isdigit(server[STRLEN(id->name)]))
{
STRCPY(altname_buf_ptr, server);
altname_buf_ptr = NULL; // don't use another name
}
// Otherwise, keep looking
return TRUE;
}
static BOOL CALLBACK
enumWindowsGetNames(HWND hwnd, LPARAM lparam)
{
garray_T *ga = (garray_T *)lparam;
char server[MAX_PATH];
// Get the title of the window
if (getVimServerName(hwnd, server, sizeof(server)) == 0)
return TRUE;
// Add the name to the list
ga_concat(ga, (char_u *)server);
ga_concat(ga, (char_u *)"\n");
return TRUE;
}
struct enum_windows_s
{
WNDENUMPROC lpEnumFunc;
LPARAM lParam;
};
static BOOL CALLBACK
enum_windows_child(HWND hwnd, LPARAM lParam)
{
struct enum_windows_s *ew = (struct enum_windows_s *)lParam;
return (ew->lpEnumFunc)(hwnd, ew->lParam);
}
static BOOL CALLBACK
enum_windows_toplevel(HWND hwnd, LPARAM lParam)
{
struct enum_windows_s *ew = (struct enum_windows_s *)lParam;
if ((ew->lpEnumFunc)(hwnd, ew->lParam))
return TRUE;
return EnumChildWindows(hwnd, enum_windows_child, lParam);
}
/*
* Enumerate all windows including children.
*/
static BOOL
enum_windows(WNDENUMPROC lpEnumFunc, LPARAM lParam)
{
struct enum_windows_s ew;
ew.lpEnumFunc = lpEnumFunc;
ew.lParam = lParam;
return EnumWindows(enum_windows_toplevel, (LPARAM)&ew);
}
static HWND
findServer(char_u *name)
{
struct server_id id;
id.name = name;
id.hwnd = 0;
enum_windows(enumWindowsGetServer, (LPARAM)(&id));
return id.hwnd;
}
void
serverSetName(char_u *name)
{
char_u *ok_name;
HWND hwnd = 0;
int i = 0;
char_u *p;
// Leave enough space for a 9-digit suffix to ensure uniqueness!
ok_name = alloc(STRLEN(name) + 10);
STRCPY(ok_name, name);
p = ok_name + STRLEN(name);
for (;;)
{
// This is inefficient - we're doing an EnumWindows loop for each
// possible name. It would be better to grab all names in one go,
// and scan the list each time...
hwnd = findServer(ok_name);
if (hwnd == 0)
break;
++i;
if (i >= 1000)
break;
sprintf((char *)p, "%d", i);
}
if (hwnd != 0)
vim_free(ok_name);
else
{
// Remember the name
serverName = ok_name;
need_maketitle = TRUE; // update Vim window title later
// Update the message window title
SetWindowText(message_window, (LPCSTR)ok_name);
# ifdef FEAT_EVAL
// Set the servername variable
set_vim_var_string(VV_SEND_SERVER, serverName, -1);
# endif
}
}
char_u *
serverGetVimNames(void)
{
garray_T ga;
ga_init2(&ga, 1, 100);
enum_windows(enumWindowsGetNames, (LPARAM)(&ga));
ga_append(&ga, NUL);
return ga.ga_data;
}
int
serverSendReply(
char_u *name, // Where to send.
char_u *reply) // What to send.
{
HWND target;
COPYDATASTRUCT data;
long_u n = 0;
DWORD_PTR dwret = 0;
// The "name" argument is a magic cookie obtained from expand("<client>").
// It should be of the form 0xXXXXX - i.e. a C hex literal, which is the
// value of the client's message window HWND.
sscanf((char *)name, SCANF_HEX_LONG_U, &n);
if (n == 0)
return -1;
target = (HWND)n;
if (!IsWindow(target))
return -1;
data.dwData = COPYDATA_REPLY;
data.cbData = (DWORD)STRLEN(reply) + 1;
data.lpData = reply;
if (serverSendEnc(target) < 0)
return -1;
if (SendMessageTimeout(target, WM_COPYDATA,
(WPARAM)message_window, (LPARAM)&data,
SMTO_ABORTIFHUNG, SENDMESSAGE_TIMEOUT, &dwret) == 0)
return -1;
return dwret ? 0 : -1;
}
int
serverSendToVim(
char_u *name, // Where to send.
char_u *cmd, // What to send.
char_u **result, // Result of eval'ed expression
void *ptarget, // HWND of server
int asExpr, // Expression or keys?
int timeout, // timeout in seconds or zero
int silent) // don't complain about no server
{
HWND target;
COPYDATASTRUCT data;
char_u *retval = NULL;
int retcode = 0;
DWORD_PTR dwret = 0;
char_u altname_buf[MAX_PATH];
// Execute locally if no display or target is ourselves
if (serverName != NULL && STRICMP(name, serverName) == 0)
return sendToLocalVim(cmd, asExpr, result);
// If the server name does not end in a digit then we look for an
// alternate name. e.g. when "name" is GVIM then we may find GVIM2.
if (STRLEN(name) > 1 && !vim_isdigit(name[STRLEN(name) - 1]))
altname_buf_ptr = altname_buf;
altname_buf[0] = NUL;
target = findServer(name);
altname_buf_ptr = NULL;
if (target == 0 && altname_buf[0] != NUL)
// Use another server name we found.
target = findServer(altname_buf);
if (target == 0)
{
if (!silent)
semsg(_(e_no_registered_server_named_str), name);
return -1;
}
if (ptarget)
*(HWND *)ptarget = target;
data.dwData = asExpr ? COPYDATA_EXPR : COPYDATA_KEYS;
data.cbData = (DWORD)STRLEN(cmd) + 1;
data.lpData = cmd;
if (serverSendEnc(target) < 0)
return -1;
if (SendMessageTimeout(target, WM_COPYDATA,
(WPARAM)message_window, (LPARAM)&data,
SMTO_ABORTIFHUNG, SENDMESSAGE_TIMEOUT, &dwret) == 0)
return -1;
if (dwret == 0)
return -1;
if (asExpr)
retval = serverGetReply(target, &retcode, TRUE, TRUE, timeout);
if (result == NULL)
vim_free(retval);
else
*result = retval; // Caller assumes responsibility for freeing
return retcode;
}
/*
* Bring the server to the foreground.
*/
void
serverForeground(char_u *name)
{
HWND target = findServer(name);
if (target != 0)
SetForegroundWindow(target);
}
// Replies from server need to be stored until the client picks them up via
// remote_read(). So we maintain a list of server-id/reply pairs.
// Note that there could be multiple replies from one server pending if the
// client is slow picking them up.
// We just store the replies in a simple list. When we remove an entry, we
// move list entries down to fill the gap.
// The server ID is simply the HWND.
typedef struct
{
HWND server; // server window
char_u *reply; // reply string
int expr_result; // 0 for REPLY, 1 for RESULT 2 for error
} reply_T;
static garray_T reply_list = {0, 0, sizeof(reply_T), 5, 0};
# define REPLY_ITEM(i) ((reply_T *)(reply_list.ga_data) + (i))
# define REPLY_COUNT (reply_list.ga_len)
// Flag which is used to wait for a reply
static int reply_received = 0;
/*
* Store a reply. "reply" must be allocated memory (or NULL).
*/
static int
save_reply(HWND server, char_u *reply, int expr)
{
reply_T *rep;
if (ga_grow(&reply_list, 1) == FAIL)
return FAIL;
rep = REPLY_ITEM(REPLY_COUNT);
rep->server = server;
rep->reply = reply;
rep->expr_result = expr;
if (rep->reply == NULL)
return FAIL;
++REPLY_COUNT;
reply_received = 1;
return OK;
}
/*
* Get a reply from server "server".
* When "expr_res" is non NULL, get the result of an expression, otherwise a
* server2client() message.
* When non NULL, point to return code. 0 => OK, -1 => ERROR
* If "remove" is TRUE, consume the message, the caller must free it then.
* if "wait" is TRUE block until a message arrives (or the server exits).
*/
char_u *
serverGetReply(HWND server, int *expr_res, int remove, int wait, int timeout)
{
int i;
char_u *reply;
reply_T *rep;
int did_process = FALSE;
time_t start;
time_t now;
// When waiting, loop until the message waiting for is received.
time(&start);
for (;;)
{
// Reset this here, in case a message arrives while we are going
// through the already received messages.
reply_received = 0;
for (i = 0; i < REPLY_COUNT; ++i)
{
rep = REPLY_ITEM(i);
if (rep->server == server
&& ((rep->expr_result != 0) == (expr_res != NULL)))
{
// Save the values we've found for later
reply = rep->reply;
if (expr_res != NULL)
*expr_res = rep->expr_result == 1 ? 0 : -1;
if (remove)
{
// Move the rest of the list down to fill the gap
mch_memmove(rep, rep + 1,
(REPLY_COUNT - i - 1) * sizeof(reply_T));
--REPLY_COUNT;
}
// Return the reply to the caller, who takes on responsibility
// for freeing it if "remove" is TRUE.
return reply;
}
}
// If we got here, we didn't find a reply. Return immediately if the
// "wait" parameter isn't set.
if (!wait)
{
// Process pending messages once. Without this, looping on
// remote_peek() would never get the reply.
if (!did_process)
{
did_process = TRUE;
serverProcessPendingMessages();
continue;
}
break;
}
// We need to wait for a reply. Enter a message loop until the
// "reply_received" flag gets set.
// Loop until we receive a reply
while (reply_received == 0)
{
# ifdef FEAT_TIMERS
// TODO: use the return value to decide how long to wait.
check_due_timer();
# endif
time(&now);
if (timeout > 0 && (now - start) >= timeout)
break;
// Wait for a SendMessage() call to us. This could be the reply
// we are waiting for. Use a timeout of a second, to catch the
// situation that the server died unexpectedly.
MsgWaitForMultipleObjects(0, NULL, TRUE, 1000, QS_ALLINPUT);
// If the server has died, give up
if (!IsWindow(server))
return NULL;
serverProcessPendingMessages();
}
}
return NULL;
}
/*
* Process any messages in the Windows message queue.
*/
void
serverProcessPendingMessages(void)
{
MSG msg;
while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
#endif // FEAT_CLIENTSERVER
#if defined(FEAT_GUI) || (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) \
|| defined(PROTO)
struct charset_pair
{
char *name;
BYTE charset;
};
static struct charset_pair
charset_pairs[] =
{
{"ANSI", ANSI_CHARSET},
{"CHINESEBIG5", CHINESEBIG5_CHARSET},
{"DEFAULT", DEFAULT_CHARSET},
{"HANGEUL", HANGEUL_CHARSET},
{"OEM", OEM_CHARSET},
{"SHIFTJIS", SHIFTJIS_CHARSET},
{"SYMBOL", SYMBOL_CHARSET},
{"ARABIC", ARABIC_CHARSET},
{"BALTIC", BALTIC_CHARSET},
{"EASTEUROPE", EASTEUROPE_CHARSET},
{"GB2312", GB2312_CHARSET},
{"GREEK", GREEK_CHARSET},
{"HEBREW", HEBREW_CHARSET},
{"JOHAB", JOHAB_CHARSET},
{"MAC", MAC_CHARSET},
{"RUSSIAN", RUSSIAN_CHARSET},
{"THAI", THAI_CHARSET},
{"TURKISH", TURKISH_CHARSET},
# ifdef VIETNAMESE_CHARSET
{"VIETNAMESE", VIETNAMESE_CHARSET},
# endif
{NULL, 0}
};
struct quality_pair
{
char *name;
DWORD quality;
};
static struct quality_pair
quality_pairs[] = {
# ifdef CLEARTYPE_QUALITY
{"CLEARTYPE", CLEARTYPE_QUALITY},
# endif
# ifdef ANTIALIASED_QUALITY
{"ANTIALIASED", ANTIALIASED_QUALITY},
# endif
# ifdef NONANTIALIASED_QUALITY
{"NONANTIALIASED", NONANTIALIASED_QUALITY},
# endif
# ifdef PROOF_QUALITY
{"PROOF", PROOF_QUALITY},
# endif
# ifdef DRAFT_QUALITY
{"DRAFT", DRAFT_QUALITY},
# endif
{"DEFAULT", DEFAULT_QUALITY},
{NULL, 0}
};
/*
* Convert a charset ID to a name.
* Return NULL when not recognized.
*/
char *
charset_id2name(int id)
{
struct charset_pair *cp;
for (cp = charset_pairs; cp->name != NULL; ++cp)
if ((BYTE)id == cp->charset)
break;
return cp->name;
}
/*
* Convert a quality ID to a name.
* Return NULL when not recognized.
*/
char *
quality_id2name(DWORD id)
{
struct quality_pair *qp;
for (qp = quality_pairs; qp->name != NULL; ++qp)
if (id == qp->quality)
break;
return qp->name;
}
// The default font height in 100% scaling (96dpi).
// (-16 in 96dpi equates to roughly 12pt)
#define DEFAULT_FONT_HEIGHT (-16)
static const LOGFONTW s_lfDefault =
{
DEFAULT_FONT_HEIGHT,
0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
PROOF_QUALITY, FIXED_PITCH | FF_DONTCARE,
L"" // Default font name will be set later based on current language.
};
// This will be initialized when set_default_logfont() is called first time.
// The value will be based on the system DPI.
int current_font_height = 0; // also used in gui_w32.c
/*
* Convert a string representing a point size into pixels. The string should
* be a positive decimal number, with an optional decimal point (eg, "12", or
* "10.5"). The pixel value is returned, and a pointer to the next unconverted
* character is stored in *end. The flag "vertical" says whether this
* calculation is for a vertical (height) size or a horizontal (width) one.
*/
static int
points_to_pixels(WCHAR *str, WCHAR **end, int vertical, long_i pprinter_dc)
{
int pixels;
int points = 0;
int divisor = 0;
HWND hwnd = (HWND)0;
HDC hdc;
HDC printer_dc = (HDC)pprinter_dc;
while (*str != NUL)
{
if (*str == L'.' && divisor == 0)
{
// Start keeping a divisor, for later
divisor = 1;
}
else
{
if (!VIM_ISDIGIT(*str))
break;
points *= 10;
points += *str - L'0';
divisor *= 10;
}
++str;
}
if (divisor == 0)
divisor = 1;
if (printer_dc == NULL)
{
hwnd = GetDesktopWindow();
hdc = GetWindowDC(hwnd);
}
else
hdc = printer_dc;
pixels = MulDiv(points,
GetDeviceCaps(hdc, vertical ? LOGPIXELSY : LOGPIXELSX),
72 * divisor);
if (printer_dc == NULL)
ReleaseDC(hwnd, hdc);
*end = str;
return pixels;
}
/*
* Convert pixel into point size. This is a reverse of points_to_pixels.
*/
static double
pixels_to_points(int pixels, int vertical, long_i pprinter_dc)
{
double points = 0;
HWND hwnd = (HWND)0;
HDC hdc;
HDC printer_dc = (HDC)pprinter_dc;
if (printer_dc == NULL)
{
hwnd = GetDesktopWindow();
hdc = GetWindowDC(hwnd);
}
else
hdc = printer_dc;
points = pixels * 72.0 / GetDeviceCaps(hdc, vertical ? LOGPIXELSY : LOGPIXELSX);
if (printer_dc == NULL)
ReleaseDC(hwnd, hdc);
return points;
}
static int CALLBACK
font_enumproc(
ENUMLOGFONTW *elf,
NEWTEXTMETRICW *ntm UNUSED,
DWORD type UNUSED,
LPARAM lparam)
{
// Return value:
// 0 = terminate now (monospace & ANSI)
// 1 = continue, still no luck...
// 2 = continue, but we have an acceptable LOGFONTW
// (monospace, not ANSI)
// We use these values, as EnumFontFamilies returns 1 if the
// callback function is never called. So, we check the return as
// 0 = perfect, 2 = OK, 1 = no good...
// It's not pretty, but it works!
LOGFONTW *lf = (LOGFONTW *)(lparam);
# ifndef FEAT_PROPORTIONAL_FONTS
// Ignore non-monospace fonts without further ado
if ((ntm->tmPitchAndFamily & 1) != 0)
return 1;
# endif
// Remember this LOGFONTW as a "possible"
*lf = elf->elfLogFont;
// Terminate the scan as soon as we find an ANSI font
if (lf->lfCharSet == ANSI_CHARSET
|| lf->lfCharSet == OEM_CHARSET
|| lf->lfCharSet == DEFAULT_CHARSET)
return 0;
// Continue the scan - we have a non-ANSI font
return 2;
}
static int
init_logfont(LOGFONTW *lf)
{
int n;
HWND hwnd = GetDesktopWindow();
HDC hdc = GetWindowDC(hwnd);
n = EnumFontFamiliesW(hdc,
lf->lfFaceName,
(FONTENUMPROCW)font_enumproc,
(LPARAM)lf);
ReleaseDC(hwnd, hdc);
// If we couldn't find a usable font, return failure
if (n == 1)
return FAIL;
// Tidy up the rest of the LOGFONTW structure. We set to a basic
// font - get_logfont() sets bold, italic, etc based on the user's
// input.
lf->lfHeight = current_font_height;
lf->lfWidth = 0;
lf->lfItalic = FALSE;
lf->lfUnderline = FALSE;
lf->lfStrikeOut = FALSE;
lf->lfWeight = FW_NORMAL;
// Return success
return OK;
}
/*
* Call back for EnumFontFamiliesW in expand_font_enumproc.
*
*/
static int CALLBACK
expand_font_enumproc(
ENUMLOGFONTW *elf,
NEWTEXTMETRICW *ntm UNUSED,
DWORD type UNUSED,
LPARAM lparam)
{
LOGFONTW *lf = (LOGFONTW*)elf;
# ifndef FEAT_PROPORTIONAL_FONTS
// Ignore non-monospace fonts without further ado
if ((ntm->tmPitchAndFamily & 1) != 0)
return 1;
# endif
// Filter only on ANSI. Otherwise will see a lot of random fonts that we
// usually don't want.
if (lf->lfCharSet != ANSI_CHARSET)
return 1;
int (*add_match)(char_u *) = (int (*)(char_u *))lparam;
WCHAR *faceNameW = lf->lfFaceName;
char_u *faceName = utf16_to_enc(faceNameW, NULL);
if (!faceName)
return 0;
add_match(faceName);
vim_free(faceName);
return 1;
}
/*
* Cmdline expansion for setting 'guifont'. Will enumerate through all
* monospace fonts for completion. If used after ':', will expand to possible
* font configuration options like font sizes.
*
* This function has "gui" in its name because in some platforms (GTK) font
* handling is done by the GUI code, whereas in Windows it's part of the
* platform code.
*/
void
gui_mch_expand_font(optexpand_T *args, void *param UNUSED, int (*add_match)(char_u *val))
{
expand_T *xp = args->oe_xp;
if (xp->xp_pattern > args->oe_set_arg && *(xp->xp_pattern-1) == ':')
{
char buf[30];
// Always fill in with the current font size as first option for
// convenience. We simply round to the closest integer for simplicity.
int font_height = (int)round(
pixels_to_points(-current_font_height, TRUE, (long_i)NULL));
vim_snprintf(buf, ARRAY_LENGTH(buf), "h%d", font_height);
add_match((char_u *)buf);
// Note: Keep this in sync with get_logfont(). Don't include 'c' and
// 'q' as we fill in all the values below.
static char *(p_gfn_win_opt_values[]) = {
"h" , "w" , "W" , "b" , "i" , "u" , "s"};
for (size_t i = 0; i < ARRAY_LENGTH(p_gfn_win_opt_values); i++)
add_match((char_u *)p_gfn_win_opt_values[i]);
struct charset_pair *cp;
for (cp = charset_pairs; cp->name != NULL; ++cp)
{
vim_snprintf(buf, ARRAY_LENGTH(buf), "c%s", cp->name);
add_match((char_u *)buf);
}
struct quality_pair *qp;
for (qp = quality_pairs; qp->name != NULL; ++qp)
{
vim_snprintf(buf, ARRAY_LENGTH(buf), "q%s", qp->name);
add_match((char_u *)buf);
}
return;
}
HWND hwnd = GetDesktopWindow();
HDC hdc = GetWindowDC(hwnd);
EnumFontFamiliesW(hdc,
NULL,
(FONTENUMPROCW)expand_font_enumproc,
(LPARAM)add_match);
ReleaseDC(hwnd, hdc);
}
/*
* Compare a UTF-16 string and an ASCII string literally.
* Only works all the code points are inside ASCII range.
*/
static int
utf16ascncmp(const WCHAR *w, const char *p, size_t n)
{
size_t i;
for (i = 0; i < n; i++)
{
if (w[i] == 0 || w[i] != p[i])
return w[i] - p[i];
}
return 0;
}
/*
* Equivalent of GetDpiForSystem().
*/
UINT WINAPI
vimGetDpiForSystem(void)
{
HWND hwnd = GetDesktopWindow();
HDC hdc = GetWindowDC(hwnd);
UINT dpi = GetDeviceCaps(hdc, LOGPIXELSY);
ReleaseDC(hwnd, hdc);
return dpi;
}
/*
* Set default logfont based on current language.
*/
static void
set_default_logfont(LOGFONTW *lf)
{
// Default font name for current language on MS-Windows.
// If not translated, falls back to "Consolas".
// This must be a fixed-pitch font.
const char *defaultfontname = N_("DefaultFontNameForWindows");
char *fontname = _(defaultfontname);
if (strcmp(fontname, defaultfontname) == 0)
fontname = "Consolas";
*lf = s_lfDefault;
lf->lfHeight = DEFAULT_FONT_HEIGHT * (int)vimGetDpiForSystem() / 96;
if (current_font_height == 0)
current_font_height = lf->lfHeight;
WCHAR *wfontname = enc_to_utf16((char_u*)fontname, NULL);
if (wfontname != NULL)
{
wcscpy_s(lf->lfFaceName, LF_FACESIZE, wfontname);
vim_free(wfontname);
}
}
/*
* Get font info from "name" into logfont "lf".
* Return OK for a valid name, FAIL otherwise.
*/
int
get_logfont(
LOGFONTW *lf,
char_u *name,
HDC printer_dc,
int verbose)
{
WCHAR *p;
int i;
int ret = FAIL;
static LOGFONTW *lastlf = NULL;
WCHAR *wname;
set_default_logfont(lf);
if (name == NULL)
return OK;
wname = enc_to_utf16(name, NULL);
if (wname == NULL)
return FAIL;
if (wcscmp(wname, L"*") == 0)
{
# if defined(FEAT_GUI_MSWIN)
CHOOSEFONTW cf;
// if name is "*", bring up std font dialog:
CLEAR_FIELD(cf);
cf.lStructSize = sizeof(cf);
cf.hwndOwner = s_hwnd;
cf.Flags = CF_SCREENFONTS | CF_FIXEDPITCHONLY | CF_INITTOLOGFONTSTRUCT;
if (lastlf != NULL)
*lf = *lastlf;
cf.lpLogFont = lf;
cf.nFontType = 0 ; //REGULAR_FONTTYPE;
if (ChooseFontW(&cf))
ret = OK;
# endif
goto theend;
}
/*
* Split name up, it could be <name>:h<height>:w<width> etc.
*/
for (p = wname; *p && *p != L':'; p++)
{
if (p - wname + 1 >= LF_FACESIZE)
goto theend; // Name too long
lf->lfFaceName[p - wname] = *p;
}
if (p != wname)
lf->lfFaceName[p - wname] = NUL;
// First set defaults
lf->lfHeight = DEFAULT_FONT_HEIGHT * (int)vimGetDpiForSystem() / 96;
lf->lfWidth = 0;
lf->lfWeight = FW_NORMAL;
lf->lfItalic = FALSE;
lf->lfUnderline = FALSE;
lf->lfStrikeOut = FALSE;
/*
* If the font can't be found, try replacing '_' by ' '.
*/
if (init_logfont(lf) == FAIL)
{
int did_replace = FALSE;
for (i = 0; lf->lfFaceName[i]; ++i)
if (lf->lfFaceName[i] == L'_')
{
lf->lfFaceName[i] = L' ';
did_replace = TRUE;
}
if (!did_replace || init_logfont(lf) == FAIL)
goto theend;
}
while (*p == L':')
p++;
// Set the values found after ':'
while (*p)
{
switch (*p++)
{
// Note: Keep this in sync with gui_mch_expand_font().
case L'h':
lf->lfHeight = - points_to_pixels(p, &p, TRUE, (long_i)printer_dc);
break;
case L'w':
lf->lfWidth = points_to_pixels(p, &p, FALSE, (long_i)printer_dc);
break;
case L'W':
lf->lfWeight = wcstol(p, &p, 10);
break;
case L'b':
lf->lfWeight = FW_BOLD;
break;
case L'i':
lf->lfItalic = TRUE;
break;
case L'u':
lf->lfUnderline = TRUE;
break;
case L's':
lf->lfStrikeOut = TRUE;
break;
case L'c':
{
struct charset_pair *cp;
for (cp = charset_pairs; cp->name != NULL; ++cp)
if (utf16ascncmp(p, cp->name, strlen(cp->name)) == 0)
{
lf->lfCharSet = cp->charset;
p += strlen(cp->name);
break;
}
if (cp->name == NULL && verbose)
{
char_u *s = utf16_to_enc(p, NULL);
semsg(_(e_illegal_str_name_str_in_font_name_str),
"charset", s, name);
vim_free(s);
break;
}
break;
}
case L'q':
{
struct quality_pair *qp;
for (qp = quality_pairs; qp->name != NULL; ++qp)
if (utf16ascncmp(p, qp->name, strlen(qp->name)) == 0)
{
lf->lfQuality = qp->quality;
p += strlen(qp->name);
break;
}
if (qp->name == NULL && verbose)
{
char_u *s = utf16_to_enc(p, NULL);
semsg(_(e_illegal_str_name_str_in_font_name_str),
"quality", s, name);
vim_free(s);
break;
}
break;
}
default:
if (verbose)
semsg(_(e_illegal_char_nr_in_font_name_str), p[-1], name);
goto theend;
}
while (*p == L':')
p++;
}
ret = OK;
theend:
// ron: init lastlf
if (ret == OK && printer_dc == NULL)
{
vim_free(lastlf);
lastlf = ALLOC_ONE(LOGFONTW);
if (lastlf != NULL)
mch_memmove(lastlf, lf, sizeof(LOGFONTW));
}
vim_free(wname);
return ret;
}
#endif // defined(FEAT_GUI) || defined(FEAT_PRINTER)
#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
/*
* Initialize the Winsock dll.
*/
void
channel_init_winsock(void)
{
WSADATA wsaData;
int wsaerr;
if (WSInitialized)
return;
wsaerr = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (wsaerr == 0)
WSInitialized = TRUE;
}
#endif
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