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annotate src/main/macosx/SDLMain.m @ 934:af585d6efec8

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Date: Thu, 17 Jun 2004 11:38:51 -0700 (PDT) From: Eric Wing <ewing2121@yahoo.com> Subject: New OS X patch (was Re: [SDL] Bug with inverted mouse coordinates in I have a new patch for OS X I would like to submit. First, it appears no further action has been taken on my fix from Apple on the OpenGL windowed mode mouse inversion problem. The fix would reunify the code, and no longer require case checking for which version of the OS you are running. This is probably a good fix because the behavior with the old code could change again with future versions of the OS, so those fixes are included in this new patch. But in addition, when I was at Apple, I asked them about the ability to distinguish between the modifier keys on the left and right sides of the keyboard (e.g. Left Shift, Right Shift, Left/Right Alt, L/R Cmd, L/R Ctrl). They told me that starting with Panther, the OS began supporting this feature. This has always been a source of annoyance for me when bringing a program that comes from Windows or Linux to OS X when the keybindings happened to need distinguishable left-side and right-side keys. So the rest of the patch I am submitting contains new code to support this feature on Panther (and presumably later versions of the OS). So after removing the OS version checks for the mouse inversion problem, I reused the OS version checks to activate the Left/Right detection of modifier keys. If you are running Panther (or above), the new code will attempt to distinguish between sides. For the older OS's, the code path reverts to the original code. I've tested with Panther on a G4 Cube, G5 dual processor, and Powerbook Rev C. The Cube and G5 keyboards demonstrated the ability to distinguish between sides. The Powerbook seems to only have left-side keys, but the patch was still able to handle it by producing the same results as before the patch. I also wanted to test a non-Apple keyboard. Unfortunately, I don't have any PC USB keyboards. However, I was able to borrow a Sun Microsystems USB keyboard, so I tried that out on the G5, and I got the correct behavior for left and right sides. I'm expecting that if it worked with a Sun keyboard, most other keyboards should work with no problems.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 20 Aug 2004 22:35:23 +0000
parents a7129c0083f4
children 217f119a19a0
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 /* Use this flag to determine whether we use CPS (docking) or not */
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17 #define SDL_USE_CPS 1
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18 #ifdef SDL_USE_CPS
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19 /* Portions of CPS.h */
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20 typedef struct CPSProcessSerNum
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21 {
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22 UInt32 lo;
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23 UInt32 hi;
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24 } CPSProcessSerNum;
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25
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26 extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
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27 extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
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28 extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
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29
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30 #endif /* SDL_USE_CPS */
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31
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32 static int gArgc;
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33 static char **gArgv;
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34 static BOOL gFinderLaunch;
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35
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36 #if SDL_USE_NIB_FILE
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37 /* A helper category for NSString */
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38 @interface NSString (ReplaceSubString)
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39 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
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40 @end
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41 #else
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42 /* An internal Apple class used to setup Apple menus */
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43 @interface NSAppleMenuController:NSObject {}
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44 - (void)controlMenu:(NSMenu *)aMenu;
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45 @end
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46 #endif
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47
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48 @interface SDLApplication : NSApplication
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49 @end
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50
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51 @implementation SDLApplication
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52 /* Invoked from the Quit menu item */
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53 - (void)terminate:(id)sender
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54 {
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55 /* Post a SDL_QUIT event */
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56 SDL_Event event;
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57 event.type = SDL_QUIT;
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58 SDL_PushEvent(&event);
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59 }
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60 @end
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61
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62
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63 /* The main class of the application, the application's delegate */
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64 @implementation SDLMain
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65
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66 /* Set the working directory to the .app's parent directory */
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67 - (void) setupWorkingDirectory:(BOOL)shouldChdir
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68 {
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69
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70 if (shouldChdir)
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71 {
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72 char parentdir[MAXPATHLEN];
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73 char *c;
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74
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75 strncpy ( parentdir, gArgv[0], sizeof(parentdir) );
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76 c = (char*) parentdir;
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77
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78 while (*c != '\0') /* go to end */
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79 c++;
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80
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81 while (*c != '/') /* back up to parent */
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82 c--;
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83
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84 *c++ = '\0'; /* cut off last part (binary name) */
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85
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86 assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
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87 assert ( chdir ("../../../") == 0 ); /* chdir to the .app's parent */
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88 }
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89 }
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90
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91 #if SDL_USE_NIB_FILE
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92
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93 /* Fix menu to contain the real app name instead of "SDL App" */
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94 - (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
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95 {
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96 NSRange aRange;
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97 NSEnumerator *enumerator;
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98 NSMenuItem *menuItem;
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99
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100 aRange = [[aMenu title] rangeOfString:@"SDL App"];
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101 if (aRange.length != 0)
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102 [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
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103
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104 enumerator = [[aMenu itemArray] objectEnumerator];
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105 while ((menuItem = [enumerator nextObject]))
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106 {
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107 aRange = [[menuItem title] rangeOfString:@"SDL App"];
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108 if (aRange.length != 0)
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109 [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
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110 if ([menuItem hasSubmenu])
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111 [self fixMenu:[menuItem submenu] withAppName:appName];
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112 }
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113 [ aMenu sizeToFit ];
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114 }
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115
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116 #else
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117
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118 void setupAppleMenu(void)
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119 {
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120 /* warning: this code is very odd */
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121 NSAppleMenuController *appleMenuController;
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122 NSMenu *appleMenu;
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123 NSMenuItem *appleMenuItem;
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124
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125 appleMenuController = [[NSAppleMenuController alloc] init];
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126 appleMenu = [[NSMenu alloc] initWithTitle:@""];
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127 appleMenuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
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128
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129 [appleMenuItem setSubmenu:appleMenu];
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130
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131 /* yes, we do need to add it and then remove it --
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132 if you don't add it, it doesn't get displayed
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133 if you don't remove it, you have an extra, titleless item in the menubar
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134 when you remove it, it appears to stick around
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135 very, very odd */
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136 [[NSApp mainMenu] addItem:appleMenuItem];
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137 [appleMenuController controlMenu:appleMenu];
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138 [[NSApp mainMenu] removeItem:appleMenuItem];
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139 [appleMenu release];
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140 [appleMenuItem release];
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141 }
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142
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143 /* Create a window menu */
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144 void setupWindowMenu(void)
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145 {
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146 NSMenu *windowMenu;
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147 NSMenuItem *windowMenuItem;
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148 NSMenuItem *menuItem;
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149
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150
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151 windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
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152
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153 /* "Minimize" item */
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154 menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
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155 [windowMenu addItem:menuItem];
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156 [menuItem release];
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157
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158 /* Put menu into the menubar */
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159 windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
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160 [windowMenuItem setSubmenu:windowMenu];
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161 [[NSApp mainMenu] addItem:windowMenuItem];
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162
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163 /* Tell the application object that this is now the window menu */
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164 [NSApp setWindowsMenu:windowMenu];
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165
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166 /* Finally give up our references to the objects */
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167 [windowMenu release];
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168 [windowMenuItem release];
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169 }
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170
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171 /* Replacement for NSApplicationMain */
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172 void CustomApplicationMain (argc, argv)
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173 {
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174 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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175 SDLMain *sdlMain;
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176
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177 /* Ensure the application object is initialised */
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178 [SDLApplication sharedApplication];
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179
476
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180 #ifdef SDL_USE_CPS
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181 {
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182 CPSProcessSerNum PSN;
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183 /* Tell the dock about us */
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184 if (!CPSGetCurrentProcess(&PSN))
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185 if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
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186 if (!CPSSetFrontProcess(&PSN))
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187 [SDLApplication sharedApplication];
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188 }
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189 #endif /* SDL_USE_CPS */
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190
221
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191 /* Set up the menubar */
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192 [NSApp setMainMenu:[[NSMenu alloc] init]];
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193 setupAppleMenu();
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194 setupWindowMenu();
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195
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196 /* Create SDLMain and make it the app delegate */
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197 sdlMain = [[SDLMain alloc] init];
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198 [NSApp setDelegate:sdlMain];
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199
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200 /* Start the main event loop */
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201 [NSApp run];
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202
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203 [sdlMain release];
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204 [pool release];
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205 }
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206
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207 #endif
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208
194
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209 /* Called when the internal event loop has just started running */
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210 - (void) applicationDidFinishLaunching: (NSNotification *) note
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211 {
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212 int status;
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213
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214 /* Set the working directory to the .app's parent directory */
221
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215 [self setupWorkingDirectory:gFinderLaunch];
194
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216
221
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217 #if SDL_USE_NIB_FILE
194
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218 /* Set the main menu to contain the real app name instead of "SDL App" */
221
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219 [self fixMenu:[NSApp mainMenu] withAppName:[[NSProcessInfo processInfo] processName]];
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220 #endif
194
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221
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222 /* Hand off to main application code */
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223 status = SDL_main (gArgc, gArgv);
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224
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225 /* We're done, thank you for playing */
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226 exit(status);
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227 }
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228 @end
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229
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230
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231 @implementation NSString (ReplaceSubString)
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232
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233 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
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234 {
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235 unsigned int bufferSize;
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236 unsigned int selfLen = [self length];
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237 unsigned int aStringLen = [aString length];
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238 unichar *buffer;
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239 NSRange localRange;
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240 NSString *result;
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241
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242 bufferSize = selfLen + aStringLen - aRange.length;
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243 buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
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244
221
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245 /* Get first part into buffer */
194
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246 localRange.location = 0;
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247 localRange.length = aRange.location;
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248 [self getCharacters:buffer range:localRange];
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249
221
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250 /* Get middle part into buffer */
194
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251 localRange.location = 0;
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252 localRange.length = aStringLen;
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253 [aString getCharacters:(buffer+aRange.location) range:localRange];
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254
221
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255 /* Get last part into buffer */
194
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256 localRange.location = aRange.location + aRange.length;
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257 localRange.length = selfLen - localRange.location;
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258 [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
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259
221
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260 /* Build output string */
194
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261 result = [NSString stringWithCharacters:buffer length:bufferSize];
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262
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263 NSDeallocateMemoryPages(buffer, bufferSize);
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264
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265 return result;
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266 }
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267
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268 @end
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269
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270
221
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271
194
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272 #ifdef main
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273 # undef main
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274 #endif
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275
221
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276
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277 /* Main entry point to executable - should *not* be SDL_main! */
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278 int main (int argc, char **argv)
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279 {
194
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280
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281 /* Copy the arguments into a global variable */
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282 int i;
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283
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284 /* This is passed if we are launched by double-clicking */
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285 if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
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286 gArgc = 1;
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287 gFinderLaunch = YES;
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288 } else {
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289 gArgc = argc;
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290 gFinderLaunch = NO;
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291 }
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292 gArgv = (char**) malloc (sizeof(*gArgv) * (gArgc+1));
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293 assert (gArgv != NULL);
221
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294 for (i = 0; i < gArgc; i++)
194
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295 gArgv[i] = argv[i];
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296 gArgv[i] = NULL;
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297
221
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298 #if SDL_USE_NIB_FILE
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299 [SDLApplication poseAsClass:[NSApplication class]];
194
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300 NSApplicationMain (argc, argv);
221
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301 #else
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302 CustomApplicationMain (argc, argv);
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303 #endif
194
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304 return 0;
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305 }