Mercurial > almixer_isolated

annotate EXAMPLES/SDLMain.m @ 41:e10dd3056782

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Added API to check if in interruption. Added more internal check if in interruption checks. Fixed pathological sleep disorder on iOS problem...bug was I forgot to convert microseconds to milliseconds in usleep calls which led to very short sleep times and the pathological sleep disorder problem. Thanks so much oto Kapil K. for spotting this problem for me.
author Eric Wing <ewing . public |-at-| gmail . com>
date Thu, 23 Jun 2011 17:37:16 -0700
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4
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1 /* SDLMain.m - main entry point for our Cocoa-ized SDL app
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2 Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
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3 Non-NIB-Code & other changes: Max Horn <max@quendi.de>
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4
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5 Feel free to customize this file to suit your needs
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6 */
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7
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8 #include "SDL.h"
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9 #include "SDLMain.h"
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10 #include <sys/param.h> /* for MAXPATHLEN */
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11 #include <unistd.h>
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12
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13 /* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
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14 but the method still is there and works. To avoid warnings, we declare
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15 it ourselves here. */
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16 @interface NSApplication(SDL_Missing_Methods)
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17 - (void)setAppleMenu:(NSMenu *)menu;
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18 @end
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19
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20 /* Use this flag to determine whether we use SDLMain.nib or not */
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21 #define SDL_USE_NIB_FILE 0
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22
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23 /* Use this flag to determine whether we use CPS (docking) or not */
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24 #define SDL_USE_CPS 1
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25 #ifdef SDL_USE_CPS
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26 /* Portions of CPS.h */
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27 typedef struct CPSProcessSerNum
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28 {
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29 UInt32 lo;
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30 UInt32 hi;
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31 } CPSProcessSerNum;
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32
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33 extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
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34 extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
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35 extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
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36
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37 #endif /* SDL_USE_CPS */
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38
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39 static int gArgc;
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40 static char **gArgv;
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41 static BOOL gFinderLaunch;
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42 static BOOL gCalledAppMainline = FALSE;
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43
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44 static NSString *getApplicationName(void)
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45 {
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46 const NSDictionary *dict;
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47 NSString *appName = 0;
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48
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49 /* Determine the application name */
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50 dict = (const NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
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51 if (dict)
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52 appName = [dict objectForKey: @"CFBundleName"];
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53
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54 if (![appName length])
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55 appName = [[NSProcessInfo processInfo] processName];
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56
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57 return appName;
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58 }
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59
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60 #if SDL_USE_NIB_FILE
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61 /* A helper category for NSString */
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62 @interface NSString (ReplaceSubString)
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63 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
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64 @end
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65 #endif
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66
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67 @interface SDLApplication : NSApplication
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68 @end
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69
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70 @implementation SDLApplication
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71 /* Invoked from the Quit menu item */
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72 - (void)terminate:(id)sender
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73 {
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74 /* Post a SDL_QUIT event */
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75 SDL_Event event;
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76 event.type = SDL_QUIT;
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77 SDL_PushEvent(&event);
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78 }
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79 @end
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80
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81 /* The main class of the application, the application's delegate */
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82 @implementation SDLMain
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83
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84 /* Set the working directory to the .app's parent directory */
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85 - (void) setupWorkingDirectory:(BOOL)shouldChdir
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86 {
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87 if (shouldChdir)
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88 {
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89 char parentdir[MAXPATHLEN];
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90 CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
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91 CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
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92 if (CFURLGetFileSystemRepresentation(url2, 1, (UInt8 *)parentdir, MAXPATHLEN)) {
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93 chdir(parentdir); /* chdir to the binary app's parent */
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94 }
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95 CFRelease(url);
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96 CFRelease(url2);
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97 }
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98 }
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99
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100 #if SDL_USE_NIB_FILE
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101
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102 /* Fix menu to contain the real app name instead of "SDL App" */
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103 - (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
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104 {
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105 NSRange aRange;
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106 NSEnumerator *enumerator;
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107 NSMenuItem *menuItem;
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108
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109 aRange = [[aMenu title] rangeOfString:@"SDL App"];
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110 if (aRange.length != 0)
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111 [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
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112
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113 enumerator = [[aMenu itemArray] objectEnumerator];
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114 while ((menuItem = [enumerator nextObject]))
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115 {
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116 aRange = [[menuItem title] rangeOfString:@"SDL App"];
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117 if (aRange.length != 0)
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118 [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
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119 if ([menuItem hasSubmenu])
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120 [self fixMenu:[menuItem submenu] withAppName:appName];
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121 }
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122 [ aMenu sizeToFit ];
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123 }
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124
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125 #else
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126
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127 static void setApplicationMenu(void)
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128 {
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129 /* warning: this code is very odd */
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130 NSMenu *appleMenu;
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131 NSMenuItem *menuItem;
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132 NSString *title;
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133 NSString *appName;
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134
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135 appName = getApplicationName();
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136 appleMenu = [[NSMenu alloc] initWithTitle:@""];
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137
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138 /* Add menu items */
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139 title = [@"About " stringByAppendingString:appName];
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140 [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
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141
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142 [appleMenu addItem:[NSMenuItem separatorItem]];
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143
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144 title = [@"Hide " stringByAppendingString:appName];
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145 [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
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146
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147 menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
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148 [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
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149
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150 [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
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151
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152 [appleMenu addItem:[NSMenuItem separatorItem]];
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153
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154 title = [@"Quit " stringByAppendingString:appName];
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155 [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
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156
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157
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158 /* Put menu into the menubar */
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159 menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
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160 [menuItem setSubmenu:appleMenu];
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161 [[NSApp mainMenu] addItem:menuItem];
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162
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163 /* Tell the application object that this is now the application menu */
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164 [NSApp setAppleMenu:appleMenu];
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165
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166 /* Finally give up our references to the objects */
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167 [appleMenu release];
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168 [menuItem release];
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169 }
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170
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171 /* Create a window menu */
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172 static void setupWindowMenu(void)
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173 {
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174 NSMenu *windowMenu;
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175 NSMenuItem *windowMenuItem;
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176 NSMenuItem *menuItem;
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177
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178 windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
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179
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180 /* "Minimize" item */
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181 menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
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182 [windowMenu addItem:menuItem];
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183 [menuItem release];
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184
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185 /* Put menu into the menubar */
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186 windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
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187 [windowMenuItem setSubmenu:windowMenu];
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188 [[NSApp mainMenu] addItem:windowMenuItem];
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189
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190 /* Tell the application object that this is now the window menu */
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191 [NSApp setWindowsMenu:windowMenu];
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192
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193 /* Finally give up our references to the objects */
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194 [windowMenu release];
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195 [windowMenuItem release];
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196 }
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197
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198 /* Replacement for NSApplicationMain */
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199 static void CustomApplicationMain (int argc, char **argv)
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200 {
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201 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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202 SDLMain *sdlMain;
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203
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204 /* Ensure the application object is initialised */
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205 [SDLApplication sharedApplication];
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206
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207 #ifdef SDL_USE_CPS
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208 {
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209 CPSProcessSerNum PSN;
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210 /* Tell the dock about us */
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211 if (!CPSGetCurrentProcess(&PSN))
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212 if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
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213 if (!CPSSetFrontProcess(&PSN))
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214 [SDLApplication sharedApplication];
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215 }
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216 #endif /* SDL_USE_CPS */
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217
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218 /* Set up the menubar */
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219 [NSApp setMainMenu:[[NSMenu alloc] init]];
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220 setApplicationMenu();
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221 setupWindowMenu();
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222
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223 /* Create SDLMain and make it the app delegate */
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224 sdlMain = [[SDLMain alloc] init];
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225 [NSApp setDelegate:sdlMain];
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226
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227 /* Start the main event loop */
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228 [NSApp run];
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229
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230 [sdlMain release];
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231 [pool release];
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232 }
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233
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234 #endif
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235
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236
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237 /*
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238 * Catch document open requests...this lets us notice files when the app
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239 * was launched by double-clicking a document, or when a document was
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240 * dragged/dropped on the app's icon. You need to have a
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241 * CFBundleDocumentsType section in your Info.plist to get this message,
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242 * apparently.
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243 *
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244 * Files are added to gArgv, so to the app, they'll look like command line
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245 * arguments. Previously, apps launched from the finder had nothing but
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246 * an argv[0].
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247 *
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248 * This message may be received multiple times to open several docs on launch.
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249 *
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250 * This message is ignored once the app's mainline has been called.
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251 */
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252 - (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
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253 {
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254 const char *temparg;
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255 size_t arglen;
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256 char *arg;
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257 char **newargv;
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258
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259 if (!gFinderLaunch) /* MacOS is passing command line args. */
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260 return FALSE;
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261
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262 if (gCalledAppMainline) /* app has started, ignore this document. */
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263 return FALSE;
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264
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265 temparg = [filename UTF8String];
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266 arglen = SDL_strlen(temparg) + 1;
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267 arg = (char *) SDL_malloc(arglen);
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268 if (arg == NULL)
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269 return FALSE;
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270
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271 newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
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272 if (newargv == NULL)
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273 {
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274 SDL_free(arg);
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275 return FALSE;
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276 }
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277 gArgv = newargv;
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278
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279 SDL_strlcpy(arg, temparg, arglen);
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280 gArgv[gArgc++] = arg;
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281 gArgv[gArgc] = NULL;
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282 return TRUE;
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283 }
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284
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285
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286 /* Called when the internal event loop has just started running */
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287 - (void) applicationDidFinishLaunching: (NSNotification *) note
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288 {
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289 int status;
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290
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291 /* Set the working directory to the .app's parent directory */
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292 [self setupWorkingDirectory:gFinderLaunch];
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293
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294 #if SDL_USE_NIB_FILE
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295 /* Set the main menu to contain the real app name instead of "SDL App" */
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296 [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
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297 #endif
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298
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299 /* Hand off to main application code */
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300 gCalledAppMainline = TRUE;
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301 status = SDL_main (gArgc, gArgv);
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302
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303 /* We're done, thank you for playing */
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304 exit(status);
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305 }
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306 @end
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307
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308
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309 @implementation NSString (ReplaceSubString)
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310
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311 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
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312 {
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313 unsigned int bufferSize;
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314 unsigned int selfLen = [self length];
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315 unsigned int aStringLen = [aString length];
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316 unichar *buffer;
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317 NSRange localRange;
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318 NSString *result;
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319
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320 bufferSize = selfLen + aStringLen - aRange.length;
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321 buffer = (unichar *)NSAllocateMemoryPages(bufferSize*sizeof(unichar));
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322
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323 /* Get first part into buffer */
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324 localRange.location = 0;
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325 localRange.length = aRange.location;
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326 [self getCharacters:buffer range:localRange];
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327
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328 /* Get middle part into buffer */
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329 localRange.location = 0;
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330 localRange.length = aStringLen;
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331 [aString getCharacters:(buffer+aRange.location) range:localRange];
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332
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333 /* Get last part into buffer */
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334 localRange.location = aRange.location + aRange.length;
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335 localRange.length = selfLen - localRange.location;
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336 [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
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337
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338 /* Build output string */
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339 result = [NSString stringWithCharacters:buffer length:bufferSize];
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340
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341 NSDeallocateMemoryPages(buffer, bufferSize);
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342
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343 return result;
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344 }
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345
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346 @end
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347
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348
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349
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350 #ifdef main
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351 # undef main
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352 #endif
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353
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354
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355 /* Main entry point to executable - should *not* be SDL_main! */
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356 int main (int argc, char **argv)
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357 {
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358 /* Copy the arguments into a global variable */
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359 /* This is passed if we are launched by double-clicking */
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360 if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
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361 gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
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362 gArgv[0] = argv[0];
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363 gArgv[1] = NULL;
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364 gArgc = 1;
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365 gFinderLaunch = YES;
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366 } else {
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367 int i;
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368 gArgc = argc;
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369 gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
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370 for (i = 0; i <= argc; i++)
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371 gArgv[i] = argv[i];
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372 gFinderLaunch = NO;
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373 }
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374
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375 #if SDL_USE_NIB_FILE
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376 [SDLApplication poseAsClass:[NSApplication class]];
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377 NSApplicationMain (argc, argv);
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378 #else
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379 CustomApplicationMain (argc, argv);
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380 #endif
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381 return 0;
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382 }
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383