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Diffstat (limited to 'pkg/osx/Execute.m')
| -rw-r--r-- | pkg/osx/Execute.m | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/pkg/osx/Execute.m b/pkg/osx/Execute.m new file mode 100644 index 00000000..608443e2 --- /dev/null +++ b/pkg/osx/Execute.m @@ -0,0 +1,208 @@ +/* ... */ +//----------------------------------------------------------------------------- +// +// Copyright(C) 2009 Simon Howard +// +// This program 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 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// +//----------------------------------------------------------------------------- + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> + +#include <AppKit/AppKit.h> + +#include "config.h" + +#define RESPONSE_FILE "/tmp/launcher.rsp" +#define TEMP_SCRIPT "/tmp/tempscript.sh" + +static char *executable_path; + +// Called on startup to save the location of the launcher program +// (within a package, other executables should be in the same directory) + +void SetProgramLocation(const char *path) +{ + char *p; + + executable_path = strdup(path); + + p = strrchr(executable_path, '/'); + *p = '\0'; +} + +// Write out the response file containing command line arguments. + +static void WriteResponseFile(const char *iwad, const char *args) +{ + FILE *fstream; + + fstream = fopen(RESPONSE_FILE, "w"); + + if (iwad != NULL) + { + fprintf(fstream, "-iwad \"%s\"", iwad); + } + + if (args != NULL) + { + fprintf(fstream, "%s", args); + } + + fclose(fstream); +} + +static void DoExec(const char *executable, const char *iwad, const char *args) +{ + char *argv[3]; + + argv[0] = malloc(strlen(executable_path) + strlen(executable) + 3); + sprintf(argv[0], "%s/%s", executable_path, executable); + + if (iwad != NULL || args != NULL) + { + WriteResponseFile(iwad, args); + + argv[1] = "@" RESPONSE_FILE; + argv[2] = NULL; + } + else + { + argv[1] = NULL; + } + + execv(argv[0], argv); + exit(-1); +} + +// Execute the specified executable contained in the same directory +// as the launcher, with the specified arguments. + +void ExecuteProgram(const char *executable, const char *iwad, const char *args) +{ + pid_t childpid; + char *homedir; + + childpid = fork(); + + if (childpid == 0) + { + signal(SIGCHLD, SIG_DFL); + + // Change directory to home dir before launch, so that any demos + // are saved somewhere sensible. + + homedir = getenv("HOME"); + + if (homedir != NULL) + { + chdir(homedir); + } + + DoExec(executable, iwad, args); + } + else + { + signal(SIGCHLD, SIG_IGN); + } +} + +// Write a sequence of commands that will display the specified message +// via shell commands. + +static void WriteMessage(FILE *script, char *msg) +{ + char *p; + + fprintf(script, "echo \""); + + for (p=msg; *p != '\0'; ++p) + { + // Start new line? + + if (*p == '\n') + { + fprintf(script, "\"\necho \""); + continue; + } + + // Escaped character? + + if (*p == '\\' || *p == '\"') + { + fprintf(script, "\\"); + } + + fprintf(script, "%c", *p); + } + + fprintf(script, "\"\n"); +} + +// Open a terminal window with the PATH set appropriately, and DOOMWADPATH +// set to the specified value. + +void OpenTerminalWindow(const char *doomwadpath) +{ + FILE *stream; + + // Generate a shell script that sets the PATH to include the location + // where the Doom binaries are, and DOOMWADPATH to include the + // IWAD files that have been configured in the launcher interface. + // The script then deletes itself and starts a shell. + + stream = fopen(TEMP_SCRIPT, "w"); + + fprintf(stream, "#!/bin/sh\n"); + //fprintf(stream, "set -x\n"); + fprintf(stream, "PATH=\"%s:$PATH\"\n", executable_path); + fprintf(stream, "DOOMWADPATH=\"%s\"\n", doomwadpath); + fprintf(stream, "export DOOMWADPATH\n"); + fprintf(stream, "rm -f \"%s\"\n", TEMP_SCRIPT); + + // Display a useful message: + + fprintf(stream, "clear\n"); + WriteMessage(stream, + "\n" + "This command line has the PATH variable configured so that you may\n" + "launch the game with whatever parameters you desire.\n" + "\n" + "For example:\n" + "\n" + " " PACKAGE_TARNAME " -iwad doom2.wad -file sid.wad -warp 1\n" + "\n" + "Type 'exit' to exit.\n"); + + fprintf(stream, "exec $SHELL\n"); + fprintf(stream, "\n"); + + fclose(stream); + + chmod(TEMP_SCRIPT, 0755); + + // Tell the terminal to open a window to run the script. + + [[NSWorkspace sharedWorkspace] openFile: @TEMP_SCRIPT + withApplication: @"Terminal"]; +} + |