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annotate src/main/macosx/SDLMain.m @ 337:9154ec9ca3d2

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Explicitly specify the SDL API calling convention (C by default)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 11 Apr 2002 14:35:16 +0000
parents 50620ec9c86a
children 4e9044b378fd
rev   line source
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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 #import "SDL.h"
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9 #import "SDLMain.h"
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10 #import <sys/param.h> /* for MAXPATHLEN */
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11 #import <unistd.h>
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12
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13 /* Use this flag to determine whether we use SDLMain.nib or not */
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14 #define SDL_USE_NIB_FILE 0
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15
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16
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17 static int gArgc;
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18 static char **gArgv;
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19 static BOOL gFinderLaunch;
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20
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21 #if SDL_USE_NIB_FILE
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22 /* A helper category for NSString */
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23 @interface NSString (ReplaceSubString)
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24 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
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25 @end
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26 #else
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27 /* An internal Apple class used to setup Apple menus */
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28 @interface NSAppleMenuController:NSObject {}
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29 - (void)controlMenu:(NSMenu *)aMenu;
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30 @end
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31 #endif
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32
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33 @interface SDLApplication : NSApplication
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34 @end
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35
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36 @implementation SDLApplication
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37 /* Invoked from the Quit menu item */
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38 - (void)terminate:(id)sender
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39 {
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40 /* Post a SDL_QUIT event */
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41 SDL_Event event;
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42 event.type = SDL_QUIT;
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43 SDL_PushEvent(&event);
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44 }
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45 @end
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46
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47
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48 /* The main class of the application, the application's delegate */
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49 @implementation SDLMain
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50
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51 /* Set the working directory to the .app's parent directory */
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52 - (void) setupWorkingDirectory:(BOOL)shouldChdir
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53 {
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54 char parentdir[MAXPATHLEN];
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55 char *c;
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56
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57 strncpy ( parentdir, gArgv[0], sizeof(parentdir) );
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58 c = (char*) parentdir;
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59
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60 while (*c != '\0') /* go to end */
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61 c++;
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62
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63 while (*c != '/') /* back up to parent */
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64 c--;
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65
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66 *c++ = '\0'; /* cut off last part (binary name) */
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67
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68 if (shouldChdir)
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69 {
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70 assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
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71 assert ( chdir ("../../../") == 0 ); /* chdir to the .app's parent */
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72 }
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73 }
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74
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75 #if SDL_USE_NIB_FILE
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76
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77 /* Fix menu to contain the real app name instead of "SDL App" */
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78 - (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
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79 {
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80 NSRange aRange;
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81 NSEnumerator *enumerator;
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82 NSMenuItem *menuItem;
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83
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84 aRange = [[aMenu title] rangeOfString:@"SDL App"];
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85 if (aRange.length != 0)
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86 [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
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87
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88 enumerator = [[aMenu itemArray] objectEnumerator];
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89 while ((menuItem = [enumerator nextObject]))
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90 {
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91 aRange = [[menuItem title] rangeOfString:@"SDL App"];
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92 if (aRange.length != 0)
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93 [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
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94 if ([menuItem hasSubmenu])
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95 [self fixMenu:[menuItem submenu] withAppName:appName];
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96 }
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97 [ aMenu sizeToFit ];
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98 }
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99
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100 #else
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101
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102 void setupAppleMenu(void)
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103 {
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104 /* warning: this code is very odd */
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105 NSAppleMenuController *appleMenuController;
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106 NSMenu *appleMenu;
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107 NSMenuItem *appleMenuItem;
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108
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109 appleMenuController = [[NSAppleMenuController alloc] init];
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110 appleMenu = [[NSMenu alloc] initWithTitle:@""];
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111 appleMenuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
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112
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113 [appleMenuItem setSubmenu:appleMenu];
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114
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115 /* yes, we do need to add it and then remove it --
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116 if you don't add it, it doesn't get displayed
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117 if you don't remove it, you have an extra, titleless item in the menubar
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118 when you remove it, it appears to stick around
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119 very, very odd */
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120 [[NSApp mainMenu] addItem:appleMenuItem];
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121 [appleMenuController controlMenu:appleMenu];
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122 [[NSApp mainMenu] removeItem:appleMenuItem];
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123 [appleMenu release];
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124 [appleMenuItem release];
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125 }
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126
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127 /* Create a window menu */
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128 void setupWindowMenu(void)
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129 {
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130 NSMenu *windowMenu;
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131 NSMenuItem *windowMenuItem;
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132 NSMenuItem *menuItem;
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133
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134
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135 windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
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136
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137 /* "Minimize" item */
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138 menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
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139 [windowMenu addItem:menuItem];
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140 [menuItem release];
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141
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142 /* Put menu into the menubar */
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143 windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
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144 [windowMenuItem setSubmenu:windowMenu];
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145 [[NSApp mainMenu] addItem:windowMenuItem];
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146
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147 /* Tell the application object that this is now the window menu */
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148 [NSApp setWindowsMenu:windowMenu];
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149
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150 /* Finally give up our references to the objects */
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151 [windowMenu release];
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152 [windowMenuItem release];
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153 }
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154
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155 /* Replacement for NSApplicationMain */
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156 void CustomApplicationMain (argc, argv)
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157 {
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158 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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159 SDLMain *sdlMain;
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160
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161 /* Ensure the application object is initialised */
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162 [SDLApplication sharedApplication];
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163
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164 /* Set up the menubar */
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165 [NSApp setMainMenu:[[NSMenu alloc] init]];
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166 setupAppleMenu();
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167 setupWindowMenu();
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168
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169 /* Create SDLMain and make it the app delegate */
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170 sdlMain = [[SDLMain alloc] init];
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171 [NSApp setDelegate:sdlMain];
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172
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173 /* Start the main event loop */
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174 [NSApp run];
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175
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176 [sdlMain release];
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177 [pool release];
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178 }
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179
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180 #endif
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181
194
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182 /* Called when the internal event loop has just started running */
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183 - (void) applicationDidFinishLaunching: (NSNotification *) note
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184 {
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185 int status;
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186
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187 /* Set the working directory to the .app's parent directory */
221
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188 [self setupWorkingDirectory:gFinderLaunch];
194
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189
221
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190 #if SDL_USE_NIB_FILE
194
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191 /* Set the main menu to contain the real app name instead of "SDL App" */
221
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192 [self fixMenu:[NSApp mainMenu] withAppName:[[NSProcessInfo processInfo] processName]];
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193 #endif
194
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194
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195 /* Hand off to main application code */
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196 status = SDL_main (gArgc, gArgv);
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197
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198 /* We're done, thank you for playing */
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199 exit(status);
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200 }
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201 @end
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202
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203
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204 @implementation NSString (ReplaceSubString)
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205
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206 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
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207 {
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208 unsigned int bufferSize;
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209 unsigned int selfLen = [self length];
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210 unsigned int aStringLen = [aString length];
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211 unichar *buffer;
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212 NSRange localRange;
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213 NSString *result;
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214
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215 bufferSize = selfLen + aStringLen - aRange.length;
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216 buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
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217
221
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218 /* Get first part into buffer */
194
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219 localRange.location = 0;
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220 localRange.length = aRange.location;
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221 [self getCharacters:buffer range:localRange];
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222
221
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223 /* Get middle part into buffer */
194
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224 localRange.location = 0;
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225 localRange.length = aStringLen;
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226 [aString getCharacters:(buffer+aRange.location) range:localRange];
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227
221
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228 /* Get last part into buffer */
194
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229 localRange.location = aRange.location + aRange.length;
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230 localRange.length = selfLen - localRange.location;
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231 [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
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232
221
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233 /* Build output string */
194
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234 result = [NSString stringWithCharacters:buffer length:bufferSize];
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235
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236 NSDeallocateMemoryPages(buffer, bufferSize);
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237
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238 return result;
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239 }
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240
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241 @end
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242
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243
221
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244
194
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245 #ifdef main
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246 # undef main
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247 #endif
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248
221
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249
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250 /* Main entry point to executable - should *not* be SDL_main! */
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251 int main (int argc, char **argv)
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252 {
194
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253
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254 /* Copy the arguments into a global variable */
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255 int i;
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256
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257 /* This is passed if we are launched by double-clicking */
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258 if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
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259 gArgc = 1;
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260 gFinderLaunch = YES;
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261 } else {
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262 gArgc = argc;
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263 gFinderLaunch = NO;
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264 }
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265 gArgv = (char**) malloc (sizeof(*gArgv) * (gArgc+1));
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266 assert (gArgv != NULL);
221
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267 for (i = 0; i < gArgc; i++)
194
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268 gArgv[i] = argv[i];
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269 gArgv[i] = NULL;
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270
221
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271 #if SDL_USE_NIB_FILE
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272 [SDLApplication poseAsClass:[NSApplication class]];
194
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273 NSApplicationMain (argc, argv);
221
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274 #else
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275 CustomApplicationMain (argc, argv);
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276 #endif
194
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277 return 0;
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278 }