[37] | 1 | /* |
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| 2 | * tkAppInit.c -- |
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| 3 | * |
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| 4 | * Provides a default version of the Tcl_AppInit procedure for |
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| 5 | * use in wish and similar Tk-based applications. |
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| 6 | * |
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| 7 | * Copyright (c) 1993 The Regents of the University of California. |
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| 8 | * Copyright (c) 1994-1997 Sun Microsystems, Inc. |
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| 9 | * |
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| 10 | * See the file "license.terms" for information on usage and redistribution |
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| 11 | * of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 12 | * |
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| 13 | * RCS: @(#) $Id: tkAppInit.c,v 1.5 1999/12/02 02:05:39 redman Exp $ |
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| 14 | */ |
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| 15 | |
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| 16 | #include "tk.h" |
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| 17 | #include "locale.h" |
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| 18 | |
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| 19 | /* |
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| 20 | * The following variable is a special hack that is needed in order for |
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| 21 | * Sun shared libraries to be used for Tcl. |
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| 22 | */ |
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| 23 | |
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| 24 | extern int matherr(); |
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| 25 | int *tclDummyMathPtr = (int *) matherr; |
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| 26 | |
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| 27 | #ifdef TK_TEST |
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| 28 | extern int Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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| 29 | extern int Tktest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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| 30 | #endif /* TK_TEST */ |
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| 31 | |
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| 32 | /* |
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| 33 | *---------------------------------------------------------------------- |
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| 34 | * |
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| 35 | * main -- |
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| 36 | * |
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| 37 | * This is the main program for the application. |
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| 38 | * |
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| 39 | * Results: |
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| 40 | * None: Tk_Main never returns here, so this procedure never |
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| 41 | * returns either. |
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| 42 | * |
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| 43 | * Side effects: |
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| 44 | * Whatever the application does. |
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| 45 | * |
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| 46 | *---------------------------------------------------------------------- |
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| 47 | */ |
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| 48 | |
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| 49 | int |
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| 50 | main(argc, argv) |
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| 51 | int argc; /* Number of command-line arguments. */ |
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| 52 | char **argv; /* Values of command-line arguments. */ |
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| 53 | { |
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| 54 | /* |
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| 55 | * The following #if block allows you to change the AppInit |
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| 56 | * function by using a #define of TCL_LOCAL_APPINIT instead |
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| 57 | * of rewriting this entire file. The #if checks for that |
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| 58 | * #define and uses Tcl_AppInit if it doesn't exist. |
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| 59 | */ |
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| 60 | |
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| 61 | #ifndef TK_LOCAL_APPINIT |
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| 62 | #define TK_LOCAL_APPINIT Tcl_AppInit |
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| 63 | #endif |
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| 64 | extern int TK_LOCAL_APPINIT _ANSI_ARGS_((Tcl_Interp *interp)); |
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| 65 | |
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| 66 | /* |
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| 67 | * The following #if block allows you to change how Tcl finds the startup |
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| 68 | * script, prime the library or encoding paths, fiddle with the argv, |
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| 69 | * etc., without needing to rewrite Tk_Main() |
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| 70 | */ |
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| 71 | |
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| 72 | #ifdef TK_LOCAL_MAIN_HOOK |
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| 73 | extern int TK_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv)); |
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| 74 | TK_LOCAL_MAIN_HOOK(&argc, &argv); |
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| 75 | #endif |
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| 76 | |
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| 77 | Tk_Main(argc, argv, TK_LOCAL_APPINIT); |
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| 78 | return 0; /* Needed only to prevent compiler warning. */ |
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| 79 | } |
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| 80 | |
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| 81 | /* |
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| 82 | *---------------------------------------------------------------------- |
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| 83 | * |
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| 84 | * Tcl_AppInit -- |
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| 85 | * |
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| 86 | * This procedure performs application-specific initialization. |
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| 87 | * Most applications, especially those that incorporate additional |
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| 88 | * packages, will have their own version of this procedure. |
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| 89 | * |
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| 90 | * Results: |
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| 91 | * Returns a standard Tcl completion code, and leaves an error |
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| 92 | * message in the interp's result if an error occurs. |
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| 93 | * |
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| 94 | * Side effects: |
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| 95 | * Depends on the startup script. |
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| 96 | * |
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| 97 | *---------------------------------------------------------------------- |
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| 98 | */ |
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| 99 | |
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| 100 | int |
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| 101 | Tcl_AppInit(interp) |
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| 102 | Tcl_Interp *interp; /* Interpreter for application. */ |
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| 103 | { |
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| 104 | if (Tcl_Init(interp) == TCL_ERROR) { |
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| 105 | return TCL_ERROR; |
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| 106 | } |
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| 107 | if (Tk_Init(interp) == TCL_ERROR) { |
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| 108 | return TCL_ERROR; |
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| 109 | } |
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| 110 | Tcl_StaticPackage(interp, "Tk", Tk_Init, Tk_SafeInit); |
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| 111 | #ifdef TK_TEST |
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| 112 | if (Tcltest_Init(interp) == TCL_ERROR) { |
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| 113 | return TCL_ERROR; |
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| 114 | } |
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| 115 | Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init, |
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| 116 | (Tcl_PackageInitProc *) NULL); |
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| 117 | if (Tktest_Init(interp) == TCL_ERROR) { |
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| 118 | return TCL_ERROR; |
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| 119 | } |
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| 120 | Tcl_StaticPackage(interp, "Tktest", Tktest_Init, |
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| 121 | (Tcl_PackageInitProc *) NULL); |
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| 122 | #endif /* TK_TEST */ |
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| 123 | |
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| 124 | |
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| 125 | /* |
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| 126 | * Call the init procedures for included packages. Each call should |
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| 127 | * look like this: |
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| 128 | * |
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| 129 | * if (Mod_Init(interp) == TCL_ERROR) { |
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| 130 | * return TCL_ERROR; |
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| 131 | * } |
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| 132 | * |
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| 133 | * where "Mod" is the name of the module. |
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| 134 | */ |
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| 135 | |
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| 136 | /* |
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| 137 | * Call Tcl_CreateCommand for application-specific commands, if |
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| 138 | * they weren't already created by the init procedures called above. |
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| 139 | */ |
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| 140 | |
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| 141 | /* |
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| 142 | * Specify a user-specific startup file to invoke if the application |
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| 143 | * is run interactively. Typically the startup file is "~/.apprc" |
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| 144 | * where "app" is the name of the application. If this line is deleted |
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| 145 | * then no user-specific startup file will be run under any conditions. |
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| 146 | */ |
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| 147 | |
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| 148 | Tcl_SetVar(interp, "tcl_rcFileName", "~/.wishrc", TCL_GLOBAL_ONLY); |
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| 149 | return TCL_OK; |
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| 150 | } |
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