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annotate src/main/macosx/SDLMain.m @ 186:2529d3d711e6

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author Sam Lantinga <slouken@libsdl.org>
date Fri, 14 Sep 2001 04:58:24 +0000
parents e92aa316c517
children
rev   line source
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1 /* SDLMain.m - main entry point for our Cocoa-ized SDL app
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2 Darrell Walisser - dwaliss1@purdue.edu
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3
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4 Feel free to customize this file to suit your needs
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5 */
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6
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7 #import "SDL.h"
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8 #import "SDLMain.h"
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9 #import <sys/param.h> /* for MAXPATHLEN */
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10 #import <unistd.h>
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11
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12 static int gArgc;
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13 static char **gArgv;
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14 static NSString *gAppName = 0;
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15 static BOOL gFinderLaunch;
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16
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17 @interface NSString (ReplaceSubString)
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18 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
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19 @end
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20
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21
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22 /* The main class of the application, the application's delegate */
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23 @implementation SDLMain
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24
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25 /* Invoked from the Quit menu item */
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26 - (void) quit:(id)sender
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27 {
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28 SDL_Event event;
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29 event.type = SDL_QUIT;
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30 SDL_PushEvent(&event);
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31 }
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32
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33 /* Invoked from the Make Full-Screen menu item */
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34 - (void) makeFullscreen:(id)sender
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35 {
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36 /* TODO */
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37 }
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38
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39 /* Set the working directory to the .app's parent directory */
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40 - (void) setupWorkingDirectory:(BOOL)shouldChdir
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41 {
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42 char parentdir[MAXPATHLEN];
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43 char *c;
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44
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45 strncpy ( parentdir, gArgv[0], sizeof(parentdir) );
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46 c = (char*) parentdir;
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47
47
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48 while (*c != '\0') /* go to end */
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49 c++;
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50
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51 while (*c != '/') /* back up to parent */
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52 c--;
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53
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54 *c++ = '\0'; /* cut off last part (binary name) */
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55
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56 if (shouldChdir)
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57 {
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58 assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
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59 assert ( chdir ("../../../") == 0 ); /* chdir to the .app's parent */
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60 }
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61 /* gAppName = [ NSString stringWithCString: c ]; */
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62 }
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63
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64 /* Fix menu to contain the real app name instead of "SDL App" */
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65 - (void) fixMenu:(NSMenu *)aMenu
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66 {
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67 NSRange aRange;
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68 NSEnumerator *enumerator;
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69 NSMenuItem *menuItem;
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70
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71 aRange = [[aMenu title] rangeOfString:@"SDL App"];
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72 if (aRange.length != 0)
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73 [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:gAppName]];
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74
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75 enumerator = [[aMenu itemArray] objectEnumerator];
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76 while ((menuItem = [enumerator nextObject]))
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77 {
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78 aRange = [[menuItem title] rangeOfString:@"SDL App"];
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79 if (aRange.length != 0)
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80 [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:gAppName]];
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81 if ([menuItem hasSubmenu])
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82 [self fixMenu: [menuItem submenu]];
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83 }
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84 [ aMenu sizeToFit ];
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85 }
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86
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87 /* Called when the internal event loop has just started running */
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88 - (void) applicationDidFinishLaunching: (NSNotification *) note
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89 {
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90 int status;
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91
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92 /* Set the working directory to the .app's parent directory */
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93 [ self setupWorkingDirectory: gFinderLaunch ];
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94
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95 /* Set the main menu to contain the real app name instead of "SDL App" */
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96 gAppName = [ [ NSBundle mainBundle ] bundleIdentifier ];
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97 [ self fixMenu: [ NSApp mainMenu ] ];
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98
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99 /* Hand off to main application code */
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100 status = SDL_main (gArgc, gArgv);
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101
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102 /* We're done, thank you for playing */
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103 exit(status);
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104 }
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105 @end
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106
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107
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108 @implementation NSString (ReplaceSubString)
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109
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110 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
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111 {
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112 unsigned int bufferSize;
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113 unsigned int selfLen = [self length];
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114 unsigned int aStringLen = [aString length];
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115 unichar *buffer;
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116 NSRange localRange;
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117 NSString *result;
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118
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119 bufferSize = selfLen + aStringLen - aRange.length;
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120 buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
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121
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122 // Get first part into buffer
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123 localRange.location = 0;
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124 localRange.length = aRange.location;
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125 [self getCharacters:buffer range:localRange];
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126
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127 // Get middle part into buffer
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128 localRange.location = 0;
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129 localRange.length = aStringLen;
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130 [aString getCharacters:(buffer+aRange.location) range:localRange];
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131
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132 // Get last part into buffer
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133 localRange.location = aRange.location + aRange.length;
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134 localRange.length = selfLen - localRange.location;
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135 [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
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136
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137 // Build output string
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138 result = [NSString stringWithCharacters:buffer length:bufferSize];
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139
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140 NSDeallocateMemoryPages(buffer, bufferSize);
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141
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142 return result;
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143 }
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144
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145 @end
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146
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147
47
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148 #ifdef main
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149 # undef main
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150 #endif
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151
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152 /* Main entry point to executible - should *not* be SDL_main! */
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153 int main (int argc, char **argv) {
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154
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155 /* Copy the arguments into a global variable */
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156 int i;
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157
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158 /* This is passed if we are launched by double-clicking */
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159 if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
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160 gArgc = 1;
168
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161 gFinderLaunch = YES;
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162 } else {
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163 gArgc = argc;
168
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164 gFinderLaunch = NO;
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165 }
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166 gArgv = (char**) malloc (sizeof(*gArgv) * (gArgc+1));
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167 assert (gArgv != NULL);
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168 for (i = 0; i < gArgc; i++) {
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169 gArgv[i] = argv[i];
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170 }
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171 gArgv[i] = NULL;
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172
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173 NSApplicationMain (argc, argv);
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174 return 0;
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175 }