Line data    Source code

       1             : /* appinit.c -- Tcl and Tk application initialization.
       2             : 
       3             :    The function Tcl_AppInit() below initializes various Tcl packages.
       4             :    It is called for each Tcl interpreter created by _tkinter.create().
       5             :    It needs to be compiled with -DWITH_<package> flags for each package
       6             :    that you are statically linking with.  You may have to add sections
       7             :    for packages not yet listed below.
       8             : 
       9             :    Note that those packages for which Tcl_StaticPackage() is called with
      10             :    a NULL first argument are known as "static loadable" packages to
      11             :    Tcl but not actually initialized.  To use these, you have to load
      12             :    it explicitly, e.g. tkapp.eval("load {} Blt").
      13             :  */
      14             : 
      15             : #include <string.h>
      16             : #include <tcl.h>
      17             : #include <tk.h>
      18             : 
      19             : #include "tkinter.h"
      20             : 
      21             : #ifdef TKINTER_PROTECT_LOADTK
      22             : /* See Tkapp_TkInit in _tkinter.c for the usage of tk_load_faile */
      23             : static int tk_load_failed;
      24             : #endif
      25             : 
      26             : int
      27          42 : Tcl_AppInit(Tcl_Interp *interp)
      28             : {
      29             :     const char *_tkinter_skip_tk_init;
      30             : #ifdef TKINTER_PROTECT_LOADTK
      31             :     const char *_tkinter_tk_failed;
      32             : #endif
      33             : 
      34             : #ifdef TK_AQUA
      35             : #ifndef MAX_PATH_LEN
      36             : #define MAX_PATH_LEN 1024
      37             : #endif
      38             :     char tclLibPath[MAX_PATH_LEN], tkLibPath[MAX_PATH_LEN];
      39             :     Tcl_Obj*            pathPtr;
      40             : 
      41             :     /* pre- Tcl_Init code copied from tkMacOSXAppInit.c */
      42             :     Tk_MacOSXOpenBundleResources (interp, "com.tcltk.tcllibrary",
      43             :     tclLibPath, MAX_PATH_LEN, 0);
      44             : 
      45             :     if (tclLibPath[0] != '\0') {
      46             :     Tcl_SetVar(interp, "tcl_library", tclLibPath, TCL_GLOBAL_ONLY);
      47             :         Tcl_SetVar(interp, "tclDefaultLibrary", tclLibPath, TCL_GLOBAL_ONLY);
      48             :         Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath, TCL_GLOBAL_ONLY);
      49             :     }
      50             : 
      51             :     if (tclLibPath[0] != '\0') {
      52             :         Tcl_SetVar(interp, "tcl_library", tclLibPath, TCL_GLOBAL_ONLY);
      53             :         Tcl_SetVar(interp, "tclDefaultLibrary", tclLibPath, TCL_GLOBAL_ONLY);
      54             :         Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath, TCL_GLOBAL_ONLY);
      55             :     }
      56             : #endif
      57          42 :     if (Tcl_Init (interp) == TCL_ERROR)
      58           0 :         return TCL_ERROR;
      59             : 
      60             : #ifdef TK_AQUA
      61             :     /* pre- Tk_Init code copied from tkMacOSXAppInit.c */
      62             :     Tk_MacOSXOpenBundleResources (interp, "com.tcltk.tklibrary",
      63             :         tkLibPath, MAX_PATH_LEN, 1);
      64             : 
      65             :     if (tclLibPath[0] != '\0') {
      66             :         pathPtr = Tcl_NewStringObj(tclLibPath, -1);
      67             :     } else {
      68             :         Tcl_Obj *pathPtr = TclGetLibraryPath();
      69             :     }
      70             : 
      71             :     if (tkLibPath[0] != '\0') {
      72             :         Tcl_Obj *objPtr;
      73             : 
      74             :         Tcl_SetVar(interp, "tk_library", tkLibPath, TCL_GLOBAL_ONLY);
      75             :         objPtr = Tcl_NewStringObj(tkLibPath, -1);
      76             :         Tcl_ListObjAppendElement(NULL, pathPtr, objPtr);
      77             :     }
      78             : 
      79             :     TclSetLibraryPath(pathPtr);
      80             : #endif
      81             : 
      82             : #ifdef WITH_XXX
      83             :         /* Initialize modules that don't require Tk */
      84             : #endif
      85             : 
      86          42 :     _tkinter_skip_tk_init =     Tcl_GetVar(interp,
      87             :                     "_tkinter_skip_tk_init", TCL_GLOBAL_ONLY);
      88          42 :     if (_tkinter_skip_tk_init != NULL &&
      89          42 :                     strcmp(_tkinter_skip_tk_init, "1") == 0) {
      90          42 :         return TCL_OK;
      91             :     }
      92             : 
      93             : #ifdef TKINTER_PROTECT_LOADTK
      94             :     _tkinter_tk_failed = Tcl_GetVar(interp,
      95             :                     "_tkinter_tk_failed", TCL_GLOBAL_ONLY);
      96             : 
      97             :     if (tk_load_failed || (
      98             :                             _tkinter_tk_failed != NULL &&
      99             :                             strcmp(_tkinter_tk_failed, "1") == 0)) {
     100             :         Tcl_SetResult(interp, TKINTER_LOADTK_ERRMSG, TCL_STATIC);
     101             :         return TCL_ERROR;
     102             :     }
     103             : #endif
     104             : 
     105           0 :     if (Tk_Init(interp) == TCL_ERROR) {
     106             : #ifdef TKINTER_PROTECT_LOADTK
     107             :         tk_load_failed = 1;
     108             :         Tcl_SetVar(interp, "_tkinter_tk_failed", "1", TCL_GLOBAL_ONLY);
     109             : #endif
     110           0 :         return TCL_ERROR;
     111             :     }
     112             : 
     113           0 :     Tk_MainWindow(interp);
     114             : 
     115             : #ifdef TK_AQUA
     116             :     TkMacOSXInitAppleEvents(interp);
     117             :     TkMacOSXInitMenus(interp);
     118             : #endif
     119             : 
     120             : #ifdef WITH_PIL /* 0.2b5 and later -- not yet released as of May 14 */
     121             :     {
     122             :         extern void TkImaging_Init(Tcl_Interp *);
     123             :         TkImaging_Init(interp);
     124             :         /* XXX TkImaging_Init() doesn't have the right return type */
     125             :         /*Tcl_StaticPackage(interp, "Imaging", TkImaging_Init, NULL);*/
     126             :     }
     127             : #endif
     128             : 
     129             : #ifdef WITH_PIL_OLD /* 0.2b4 and earlier */
     130             :     {
     131             :         extern void TkImaging_Init(void);
     132             :         /* XXX TkImaging_Init() doesn't have the right prototype */
     133             :         /*Tcl_StaticPackage(interp, "Imaging", TkImaging_Init, NULL);*/
     134             :     }
     135             : #endif
     136             : 
     137             : #ifdef WITH_TIX
     138             :     {
     139             :         extern int Tix_Init(Tcl_Interp *interp);
     140             :         extern int Tix_SafeInit(Tcl_Interp *interp);
     141             :         Tcl_StaticPackage(NULL, "Tix", Tix_Init, Tix_SafeInit);
     142             :     }
     143             : #endif
     144             : 
     145             : #ifdef WITH_BLT
     146             :     {
     147             :         extern int Blt_Init(Tcl_Interp *);
     148             :         extern int Blt_SafeInit(Tcl_Interp *);
     149             :         Tcl_StaticPackage(NULL, "Blt", Blt_Init, Blt_SafeInit);
     150             :     }
     151             : #endif
     152             : 
     153             : #ifdef WITH_TOGL
     154             :     {
     155             :         /* XXX I've heard rumors that this doesn't work */
     156             :         extern int Togl_Init(Tcl_Interp *);
     157             :         /* XXX Is there no Togl_SafeInit? */
     158             :         Tcl_StaticPackage(NULL, "Togl", Togl_Init, NULL);
     159             :     }
     160             : #endif
     161             : 
     162             : #ifdef WITH_XXX
     163             : 
     164             : #endif
     165           0 :     return TCL_OK;
     166             : }