-/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* runemacs --- Simple program to start Emacs with its console window hidden.
+
+Copyright (C) 2001-2013 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/*
is running emacs.exe already, you cannot install a newer version.
By defining CHOOSE_NEWEST_EXE, you can name your new emacs.exe
something else which matches "emacs*.exe", and runemacs will
- automatically select the newest emacs executeable in the bin directory.
+ automatically select the newest emacs executable in the bin directory.
(So you'll probably be able to delete the old version some hours/days
later).
*/
#include <string.h>
#include <malloc.h>
+static void set_user_model_id (void);
+static int ensure_unicows_dll (void);
+
int WINAPI
WinMain (HINSTANCE hSelf, HINSTANCE hPrev, LPSTR cmdline, int nShow)
{
STARTUPINFO start;
SECURITY_ATTRIBUTES sec_attrs;
- SECURITY_DESCRIPTOR sec_desc;
PROCESS_INFORMATION child;
int wait_for_child = FALSE;
DWORD priority_class = NORMAL_PRIORITY_CLASS;
char *p;
char modname[MAX_PATH];
+ if (!ensure_unicows_dll ())
+ goto error;
+
+ set_user_model_id ();
+
if (!GetModuleFileName (NULL, modname, MAX_PATH))
goto error;
if ((p = strrchr (modname, '\\')) == NULL)
goto error;
do
{
- if (wfd.ftLastWriteTime.dwHighDateTime > best_time.dwHighDateTime
- || (wfd.ftLastWriteTime.dwHighDateTime == best_time.dwHighDateTime
- && wfd.ftLastWriteTime.dwLowDateTime > best_time.dwLowDateTime))
- {
- best_time = wfd.ftLastWriteTime;
- strcpy (best_name, wfd.cFileName);
- }
+ if (wfd.ftLastWriteTime.dwHighDateTime > best_time.dwHighDateTime
+ || (wfd.ftLastWriteTime.dwHighDateTime == best_time.dwHighDateTime
+ && wfd.ftLastWriteTime.dwLowDateTime > best_time.dwLowDateTime))
+ {
+ best_time = wfd.ftLastWriteTime;
+ strcpy (best_name, wfd.cFileName);
+ }
}
while (FindNextFile (fh, &wfd));
FindClose (fh);
#endif
/* Append original arguments if any; first look for arguments we
- recognise (-wait, -high, and -low), and apply them ourselves. */
+ recognize (-wait, -high, and -low), and apply them ourselves. */
while (cmdline[0] == '-' || cmdline[0] == '/')
{
if (strncmp (cmdline+1, "wait", 4) == 0)
{
- wait_for_child = TRUE;
- cmdline += 5;
- }
+ wait_for_child = TRUE;
+ cmdline += 5;
+ }
else if (strncmp (cmdline+1, "high", 4) == 0)
{
priority_class = HIGH_PRIORITY_CLASS;
}
else
break;
+ /* Look for next argument. */
+ while (*++cmdline == ' ');
}
+
strcat (new_cmdline, cmdline);
/* Set emacs_dir variable if runemacs was in "%emacs_dir%\bin". */
memset (&start, 0, sizeof (start));
start.cb = sizeof (start);
- start.dwFlags = STARTF_USESHOWWINDOW;
+ start.dwFlags = STARTF_USESHOWWINDOW | STARTF_USECOUNTCHARS;
start.wShowWindow = SW_HIDE;
+ /* Ensure that we don't waste memory if the user has specified a huge
+ default screen buffer for command windows. */
+ start.dwXCountChars = 80;
+ start.dwYCountChars = 25;
sec_attrs.nLength = sizeof (sec_attrs);
sec_attrs.lpSecurityDescriptor = NULL;
return 1;
}
-/* arch-tag: 7e02df73-4df7-4aa0-baea-99c6d047a384
- (do not change this comment) */
+void
+set_user_model_id (void)
+{
+ HMODULE shell;
+ HRESULT (WINAPI * set_user_model) (wchar_t * id);
+
+ /* On Windows 7 and later, we need to set the user model ID
+ to associate emacsclient launched files with Emacs frames
+ in the UI. */
+ shell = LoadLibrary ("shell32.dll");
+ if (shell)
+ {
+ set_user_model
+ = (void *) GetProcAddress (shell,
+ "SetCurrentProcessExplicitAppUserModelID");
+
+ /* If the function is defined, then we are running on Windows 7
+ or newer, and the UI uses this to group related windows
+ together. Since emacs, runemacs, emacsclient are related, we
+ want them grouped even though the executables are different,
+ so we need to set a consistent ID between them. */
+ if (set_user_model)
+ set_user_model (L"GNU.Emacs");
+
+ FreeLibrary (shell);
+ }
+}
+
+static int
+ensure_unicows_dll (void)
+{
+ OSVERSIONINFO os_ver;
+ HMODULE h;
+
+ ZeroMemory (&os_ver, sizeof (OSVERSIONINFO));
+ os_ver.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
+ if (!GetVersionEx (&os_ver))
+ return 0;
+
+ if (os_ver.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
+ {
+ h = LoadLibrary ("Unicows.dll");
+ if (!h)
+ {
+ int button;
+
+ button = MessageBox (NULL,
+ "Emacs cannot load the UNICOWS.DLL library.\n"
+ "This library is essential for using Emacs\n"
+ "on this system. You need to install it.\n\n"
+ "However, you can still use Emacs by invoking\n"
+ "it with the '-nw' command-line option.\n\n"
+ "Emacs will exit when you click OK.",
+ "Emacs cannot load UNICOWS.DLL",
+ MB_ICONERROR | MB_TASKMODAL
+ | MB_SETFOREGROUND | MB_OK);
+ switch (button)
+ {
+ case IDOK:
+ default:
+ return 0;
+ }
+ }
+ FreeLibrary (h);
+ return 1;
+ }
+ return 1;
+}