More work on explain.

[ir-tcl-moved-to-github.git] / tkmain.c

diff --git a/tkmain.c b/tkmain.c
new file mode 100644 (file)
index 0000000..c770138
--- /dev/null
+++ b/tkmain.c
@@ -0,0 +1,108 @@
+/*
+ * IR toolkit for tcl/tk
+ * (c) Index Data 1995-1996
+ * See the file LICENSE for details.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Log: tkmain.c,v $
+ * Revision 1.1  1996-08-20 09:27:49  adam
+ * More work on explain.
+ * Renamed tkinit.c to tkmain.c. The tcl shell uses the Tcl 7.5 interface
+ * for socket i/o instead of the handcrafted one (for Tcl 7.3 and Tcl7.4).
+ *
+ */
+
+#include <tk.h>
+#include <log.h>
+#include "ir-tcl.h"
+
+/* socket layer code for tk3.x and tk4.0 */
+#if TK_MAJOR_VERSION < 4 || (TK_MAJOR_VERSION == 4 && TK_MINOR_VERSION == 0)
+
+struct sel_proc {
+    void (*f)(ClientData clientData, int r, int w, int e);
+    ClientData clientData;
+    int fd;
+    struct sel_proc *next;
+};
+
+static struct sel_proc *sel_proc_list = NULL;
+
+static void ir_tcl_tk_select_proc (ClientData clientData, int mask)
+{
+    struct sel_proc *sp = (struct sel_proc *) clientData;
+
+    if (!sp->f)
+        return ;
+    (*sp->f)(sp->clientData, mask & TK_READABLE, mask & TK_WRITABLE,
+             mask & TK_EXCEPTION);
+}
+
+void ir_tcl_select_set (void (*f)(ClientData clientData, int r, int w, int e),
+                        int fd, ClientData clientData, int r, int w, int e)
+{
+    int mask = 0;
+    struct sel_proc *sp = sel_proc_list;
+
+    if (r)
+        mask |= TK_READABLE;
+    if (w)
+        mask |= TK_WRITABLE;
+    if (e)
+        mask |= TK_EXCEPTION;
+    while (sp)
+    {
+        if (sp->fd == fd)
+             break;
+        sp = sp->next;
+    }
+    if (!sp)
+    {
+        sp = ir_tcl_malloc (sizeof(*sp));
+        sp->next = sel_proc_list;
+        sel_proc_list = sp;
+        sp->fd = fd;
+    }
+    sp->f = f;
+    sp->clientData = clientData;
+    if (f)
+        Tk_CreateFileHandler (fd, mask, ir_tcl_tk_select_proc, sp);
+    else
+        Tk_DeleteFileHandler (fd);
+}
+#endif
+
+#if TK_MAJOR_VERSION >= 4
+
+extern int matherr ();
+int *tclDummyMathPtr = (int*) matherr;
+
+int main (int argc, char **argv)
+{
+    Tk_Main (argc, argv, Tcl_AppInit);
+    return 0;
+}
+
+#else
+
+extern int main ();
+int *tclDummyMainPtr = (int*) main;
+
+#endif
+
+int Tcl_AppInit (Tcl_Interp *interp)
+{
+#if TK_MAJOR_VERSION < 4 
+    Tk_Window mainw;
+
+    if (!(mainw = Tk_MainWindow(interp)))
+        return TCL_ERROR;
+#endif
+    if (Tcl_Init(interp) == TCL_ERROR)
+        return TCL_ERROR;
+    if (Tk_Init(interp) == TCL_ERROR)
+        return TCL_ERROR;
+    if (Irtcl_Init(interp) == TCL_ERROR)
+        return TCL_ERROR;
+    return TCL_OK;
+}