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 1.7 2002/06/21 20:24:29 dgp 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 | #ifdef TK_TEST |
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20 | extern int Tktest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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21 | #endif /* TK_TEST */ |
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22 | |
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23 | /* |
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24 | *---------------------------------------------------------------------- |
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25 | * |
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26 | * main -- |
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27 | * |
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28 | * This is the main program for the application. |
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29 | * |
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30 | * Results: |
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31 | * None: Tk_Main never returns here, so this procedure never |
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32 | * returns either. |
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33 | * |
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34 | * Side effects: |
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35 | * Whatever the application does. |
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36 | * |
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37 | *---------------------------------------------------------------------- |
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38 | */ |
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39 | |
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40 | int |
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41 | main(argc, argv) |
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42 | int argc; /* Number of command-line arguments. */ |
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43 | char **argv; /* Values of command-line arguments. */ |
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44 | { |
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45 | /* |
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46 | * The following #if block allows you to change the AppInit |
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47 | * function by using a #define of TCL_LOCAL_APPINIT instead |
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48 | * of rewriting this entire file. The #if checks for that |
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49 | * #define and uses Tcl_AppInit if it doesn't exist. |
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50 | */ |
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51 | |
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52 | #ifndef TK_LOCAL_APPINIT |
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53 | #define TK_LOCAL_APPINIT Tcl_AppInit |
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54 | #endif |
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55 | extern int TK_LOCAL_APPINIT _ANSI_ARGS_((Tcl_Interp *interp)); |
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56 | |
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57 | /* |
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58 | * The following #if block allows you to change how Tcl finds the startup |
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59 | * script, prime the library or encoding paths, fiddle with the argv, |
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60 | * etc., without needing to rewrite Tk_Main() |
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61 | */ |
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62 | |
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63 | #ifdef TK_LOCAL_MAIN_HOOK |
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64 | extern int TK_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv)); |
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65 | TK_LOCAL_MAIN_HOOK(&argc, &argv); |
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66 | #endif |
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67 | |
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68 | Tk_Main(argc, argv, TK_LOCAL_APPINIT); |
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69 | return 0; /* Needed only to prevent compiler warning. */ |
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70 | } |
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71 | |
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72 | /* |
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73 | *---------------------------------------------------------------------- |
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74 | * |
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75 | * Tcl_AppInit -- |
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76 | * |
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77 | * This procedure performs application-specific initialization. |
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78 | * Most applications, especially those that incorporate additional |
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79 | * packages, will have their own version of this procedure. |
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80 | * |
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81 | * Results: |
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82 | * Returns a standard Tcl completion code, and leaves an error |
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83 | * message in the interp's result if an error occurs. |
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84 | * |
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85 | * Side effects: |
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86 | * Depends on the startup script. |
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87 | * |
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88 | *---------------------------------------------------------------------- |
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89 | */ |
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90 | |
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91 | int |
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92 | Tcl_AppInit(interp) |
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93 | Tcl_Interp *interp; /* Interpreter for application. */ |
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94 | { |
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95 | if (Tcl_Init(interp) == TCL_ERROR) { |
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96 | return TCL_ERROR; |
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97 | } |
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98 | if (Tk_Init(interp) == TCL_ERROR) { |
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99 | return TCL_ERROR; |
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100 | } |
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101 | Tcl_StaticPackage(interp, "Tk", Tk_Init, Tk_SafeInit); |
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102 | #ifdef TK_TEST |
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103 | if (Tktest_Init(interp) == TCL_ERROR) { |
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104 | return TCL_ERROR; |
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105 | } |
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106 | Tcl_StaticPackage(interp, "Tktest", Tktest_Init, |
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107 | (Tcl_PackageInitProc *) NULL); |
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108 | #endif /* TK_TEST */ |
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109 | |
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110 | |
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111 | /* |
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112 | * Call the init procedures for included packages. Each call should |
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113 | * look like this: |
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114 | * |
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115 | * if (Mod_Init(interp) == TCL_ERROR) { |
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116 | * return TCL_ERROR; |
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117 | * } |
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118 | * |
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119 | * where "Mod" is the name of the module. |
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120 | */ |
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121 | |
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122 | /* |
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123 | * Call Tcl_CreateCommand for application-specific commands, if |
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124 | * they weren't already created by the init procedures called above. |
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125 | */ |
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126 | |
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127 | /* |
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128 | * Specify a user-specific startup file to invoke if the application |
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129 | * is run interactively. Typically the startup file is "~/.apprc" |
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130 | * where "app" is the name of the application. If this line is deleted |
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131 | * then no user-specific startup file will be run under any conditions. |
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132 | */ |
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133 | |
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134 | Tcl_SetVar(interp, "tcl_rcFileName", "~/.wishrc", TCL_GLOBAL_ONLY); |
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135 | return TCL_OK; |
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136 | } |
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