-/* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+/* runemacs --- Simple program to start Emacs with its console window hidden.
+
+Copyright (C) 2001-2016 Free Software Foundation, Inc.
This file is part of GNU Emacs.
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 3 of the License, 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
#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)
char *new_cmdline;
char *p;
char modname[MAX_PATH];
+ static const char iconic_opt[] = "--iconic ", maximized_opt[] = "--maximized ";
+
+ if (!ensure_unicows_dll ())
+ goto error;
set_user_model_id ();
goto error;
*p = 0;
- new_cmdline = alloca (MAX_PATH + strlen (cmdline) + 3);
+ new_cmdline = alloca (MAX_PATH
+ + strlen (cmdline)
+ + ((nShow == SW_SHOWMINNOACTIVE
+ || nShow == SW_SHOWMAXIMIZED)
+ ? max (sizeof (iconic_opt), sizeof (maximized_opt))
+ : 0)
+ + 3);
/* Quote executable name in case of spaces in the path. */
*new_cmdline = '"';
strcpy (new_cmdline + 1, modname);
+ /* Detect and handle un-installed runemacs.exe in nt/ subdirectory,
+ while emacs.exe is in src/. */
+ if ((p = strrchr (new_cmdline, '\\')) != NULL
+ && stricmp (p, "\\nt") == 0)
+ strcpy (p, "\\src");
#ifdef CHOOSE_NEWEST_EXE
{
#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)
while (*++cmdline == ' ');
}
+ /* If the desktop shortcut properties tell to invoke runemacs
+ minimized, or if they invoked runemacs via "start /min", pass
+ '--iconic' to Emacs, as that's what users will expect. Likewise
+ with invoking runemacs maximized: pass '--maximized' to Emacs. */
+ if (nShow == SW_SHOWMINNOACTIVE)
+ strcat (new_cmdline, iconic_opt);
+ else if (nShow == SW_SHOWMAXIMIZED)
+ strcat (new_cmdline, maximized_opt);
strcat (new_cmdline, cmdline);
/* Set emacs_dir variable if runemacs was in "%emacs_dir%\bin". */
}
}
+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"
+ "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;
+}