Add efacf056cd

dockerdoom/trunk/pkg/osx/LauncherManager.m

@@ -0,0 +1,367 @@
+/* ... */
+//-----------------------------------------------------------------------------
+//
+// 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 <AppKit/AppKit.h>
+#include "Execute.h"
+#include "LauncherManager.h"
+#include "config.h"
+
+@implementation LauncherManager
+
+// Save configuration.  Invoked when we launch the game or quit.
+
+- (void) saveConfig
+{
+    NSUserDefaults *defaults;
+
+    // Save IWAD configuration and selected IWAD.
+
+    [self->iwadController saveConfig];
+
+    // Save command line arguments.
+
+    defaults = [NSUserDefaults standardUserDefaults];
+    [defaults setObject:[self->commandLineArguments stringValue]
+              forKey:@"command_line_args"];
+}
+
+// Load configuration, invoked on startup.
+
+- (void) setConfig
+{
+    NSUserDefaults *defaults;
+    NSString *args;
+
+    defaults = [NSUserDefaults standardUserDefaults];
+
+    args = [defaults stringForKey:@"command_line_args"];
+
+    if (args != nil)
+    {
+        [self->commandLineArguments setStringValue:args];
+    }
+}
+
+// Get the next command line argument from the command line.
+// The position counter used to iterate over arguments is in 'pos'.
+// The index of the argument that was found is saved in arg_pos.
+
+static NSString *GetNextArgument(NSString *commandLine, int *pos, int *arg_pos)
+{
+    NSRange arg_range;
+
+    // Skip past any whitespace
+
+    while (*pos < [commandLine length]
+        && isspace([commandLine characterAtIndex: *pos]))
+    {
+        ++*pos;
+    }
+
+    if (*pos >= [commandLine length])
+    {
+        *arg_pos = *pos;
+        return nil;
+    }
+
+    // We are at the start of the argument.  This may be a quoted
+    // string argument, or a "normal" one.
+
+    if ([commandLine characterAtIndex: *pos] == '\"')
+    {
+        // Quoted string, skip past first quote
+
+        ++*pos;
+
+        // Save start position:
+
+        *arg_pos = *pos;
+
+        while (*pos < [commandLine length]
+            && [commandLine characterAtIndex: *pos] != '\"')
+        {
+            ++*pos;
+        }
+
+        // Unexpected end of string?
+
+        if (*pos >= [commandLine length])
+        {
+            return nil;
+        }
+
+        arg_range = NSMakeRange(*arg_pos, *pos - *arg_pos);
+
+        // Skip past last quote
+
+        ++*pos;
+    }
+    else
+    {
+        // Normal argument
+
+        // Save position:
+
+        *arg_pos = *pos;
+
+        // Read until end:
+
+        while (*pos < [commandLine length]
+            && !isspace([commandLine characterAtIndex: *pos]))
+        {
+            ++*pos;
+        }
+
+        arg_range = NSMakeRange(*arg_pos, *pos - *arg_pos);
+    }
+
+    return [commandLine substringWithRange: arg_range];
+}
+
+// Given the specified command line argument, find the index
+// to insert the new file within the command line.  Returns -1 if the 
+// argument is not already within the arguments string.
+
+static int GetFileInsertIndex(NSString *commandLine, NSString *needle)
+{
+    NSString *arg;
+    int arg_pos;
+    int pos;
+
+    pos = 0;
+
+    // Find the command line parameter we are searching
+    // for (-merge, -deh, etc)
+
+    for (;;)
+    {
+        arg = GetNextArgument(commandLine, &pos, &arg_pos);
+
+        // Searched to end of string and never found?
+
+        if (arg == nil)
+        {
+            return -1;
+        }
+
+        if (![arg caseInsensitiveCompare: needle])
+        {
+            break;
+        }
+    }
+
+    // Now skip over existing files.  For example, if we
+    // have -file foo.wad bar.wad, the new file should be appended
+    // to the end of the list.
+
+    for (;;)
+    {
+        arg = GetNextArgument(commandLine, &pos, &arg_pos);
+
+        // If we search to the end of the string now, it is fine;
+        // the new string should be added to the end of the command
+        // line.  Otherwise, if we find an argument that begins
+        // with '-', it is a new command line parameter and the end
+        // of the list.
+
+        if (arg == nil || [arg characterAtIndex: 0] == '-')
+        {
+            break;
+        }
+    }
+
+    // arg_pos should now contain the offset to insert the new filename.
+
+    return arg_pos;
+}
+
+// Given the specified string, append a filename, quoted if necessary.
+
+static NSString *AppendQuotedFilename(NSString *str, NSString *fileName)
+{
+    int i;
+
+    // Search the filename for spaces, and quote if necessary.
+
+    for (i=0; i<[fileName length]; ++i)
+    {
+        if (isspace([fileName characterAtIndex: i]))
+        {
+            str = [str stringByAppendingString: @" \""];
+            str = [str stringByAppendingString: fileName];
+            str = [str stringByAppendingString: @"\" "];
+
+            return str;
+        }
+    }
+
+    str = [str stringByAppendingString: @" "];
+    str = [str stringByAppendingString: fileName];
+
+    return str;
+}
+
+// Clear out the existing command line options.
+// Invoked before the first file is added.
+
+- (void) clearCommandLine
+{
+    [self->commandLineArguments setStringValue: @""];
+}
+
+// Add a file to the command line to load with the game.
+
+- (void) addFileToCommandLine: (NSString *) fileName
+         forArgument: (NSString *) arg
+{
+    NSString *commandLine;
+    int insert_pos;
+
+    // Get the current command line
+
+    commandLine = [self->commandLineArguments stringValue];
+
+    // Find the location to insert the new filename:
+
+    insert_pos = GetFileInsertIndex(commandLine, arg);
+
+    // If position < 0, we should add the new argument and filename
+    // to the end.  Otherwise, append the new filename to the existing
+    // list of files.
+
+    if (insert_pos < 0)
+    {
+        commandLine = [commandLine stringByAppendingString: @" "];
+        commandLine = [commandLine stringByAppendingString: arg];
+        commandLine = AppendQuotedFilename(commandLine, fileName);
+    }
+    else
+    {
+        NSString *start;
+        NSString *end;
+
+        // Divide existing command line in half:
+
+        start = [commandLine substringToIndex: insert_pos];
+        end = [commandLine substringFromIndex: insert_pos];
+
+        // Construct new command line:
+
+        commandLine = AppendQuotedFilename(start, fileName);
+        commandLine = [commandLine stringByAppendingString: @" "];
+        commandLine = [commandLine stringByAppendingString: end];
+    }
+
+    [self->commandLineArguments setStringValue: commandLine];
+}
+
+- (void) launch: (id)sender
+{
+    NSString *iwad;
+    NSString *args;
+
+    [self saveConfig];
+
+    iwad = [self->iwadController getIWADLocation];
+    args = [self->commandLineArguments stringValue];
+
+    if (iwad == nil)
+    {
+        NSRunAlertPanel(@"No IWAD selected",
+                        @"You have not selected an IWAD (game) file.\n\n"
+                         "You must configure and select a valid IWAD file "
+                         "in order to launch the game.",
+                        @"OK", nil, nil);
+        return;
+    }
+
+    ExecuteProgram(PROGRAM_PREFIX "doom", [iwad UTF8String],
+                                          [args UTF8String]);
+    [NSApp terminate:sender];
+}
+
+// Invoked when the "Setup Tool" button is clicked, to run the setup tool:
+
+- (void) runSetup: (id)sender
+{
+    [self saveConfig];
+
+    [self->iwadController setEnvironment];
+    ExecuteProgram(PROGRAM_PREFIX "setup", NULL, NULL);
+}
+
+// Invoked when the "Terminal" option is selected from the menu, to open
+// a terminal window.
+
+- (void) openTerminal: (id) sender
+{
+    char *doomwadpath;
+
+    [self saveConfig];
+
+    doomwadpath = [self->iwadController doomWadPath];
+
+    OpenTerminalWindow(doomwadpath);
+
+    free(doomwadpath);
+}
+
+- (void) openREADME: (id) sender
+{
+    OpenDocumentation("README");
+}
+
+- (void) openINSTALL: (id) sender
+{
+    OpenDocumentation("INSTALL");
+}
+
+- (void) openCMDLINE: (id) sender
+{
+    OpenDocumentation("CMDLINE");
+}
+
+- (void) openCOPYING: (id) sender
+{
+    OpenDocumentation("COPYING");
+}
+
+- (void) openDocumentation: (id) sender
+{
+    OpenDocumentation("");
+}
+
+- (void) awakeFromNib
+{
+    [self->launcherWindow setTitle: @PACKAGE_NAME " Launcher"];
+    [self->launcherWindow center];
+    [self->launcherWindow setDefaultButtonCell: [self->launchButton cell]];
+    [self setConfig];
+}
+
+- (BOOL) addIWADPath: (NSString *) path
+{
+    return [self->iwadController addIWADPath: path];
+}
+
+@end
+