Merge from trunk.

Subversion-branch: /branches/strife-branch
Subversion-revision: 1849

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"];
+}
+