Initial revisionXORG-STABLE

1 files changed, 189 insertions, 0 deletions

diff --git a/dashlist.c b/dashlist.c
new file mode 100644
index 0000000..ddfcf09
--- /dev/null
+++ b/dashlist.c
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+/*
+** dashlist.c
+**
+** How to make a widget to choose a dashlist.
+**
+** NOTE: This file uses static variables.  Therefore, trying to use these
+**       functions to create more than one of these dashlist choice things
+**       will fail in a big way.
+*/
+/* $XFree86: xc/programs/xgc/dashlist.c,v 1.3 2001/07/29 21:23:21 tsi Exp $ */
+
+#include <stdio.h>
+#include <X11/Xos.h>
+#include <stdlib.h>
+#include <X11/Intrinsic.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/Form.h>
+#include <X11/Xaw/Label.h>
+#include <X11/Xaw/Toggle.h>
+#include "xgc.h"
+
+static void change_dashlist(
+#if NeedFunctionPrototypes
+     Widget, caddr_t, caddr_t
+#endif
+);
+extern void interpret();
+
+extern XStuff X;
+
+static short dashlist = 240;	/* in binary, becomes the dashlist
+				   (240 = XXXX____) */
+static Widget *dashes;	        /* the toggle widgets */
+
+/* create_dashlist_choice(w)
+** -------------------------
+** Inside w (a form widget), creates a bunch of little toggle buttons
+** in a row, representing the dash list.  There's also a label so
+** the user knows what it is.
+*/
+
+void
+create_dashlist_choice(w)
+     Widget w;
+{
+  /* callback list for the toggle widgets */
+  static XtCallbackRec callbacklist[] = {
+    {(XtCallbackProc) change_dashlist, NULL},
+    {NULL,                             NULL}
+  };
+
+  /* ArgList for the label */
+  static Arg labelargs[] = {
+    {XtNborderWidth,  (XtArgVal) 0},
+    {XtNjustify,      (XtArgVal) XtJustifyRight},
+    {XtNvertDistance, (XtArgVal) 4}
+  };
+
+  /* ArgList for the toggles */
+  static Arg dashargs[] = {
+    {XtNcallback,           (XtArgVal) NULL},
+    {XtNhorizDistance,      (XtArgVal) NULL},
+    {XtNfromHoriz,          (XtArgVal) NULL},
+    {XtNwidth,              (XtArgVal) 10},
+    {XtNheight,             (XtArgVal) 10},
+    {XtNhighlightThickness, (XtArgVal) 1},
+    {XtNstate,              (XtArgVal) False},
+    {XtNlabel,              (XtArgVal) ""}
+  };
+
+  static Widget label;		/* the label, of course */
+  static int *dashinfo;		/* contains integers saying which bit
+				   a particular button is; sent to
+				   change_dashlist to tell it which
+				   bit got changed */
+  int i;			/* counter */
+
+  char name[11];
+
+  /* allocate space for stuff that we don't know the size of yet */
+  dashes = (Widget *) malloc(DASHLENGTH * sizeof(Widget));
+  dashinfo = (int *) malloc(DASHLENGTH * sizeof(int));
+
+  /* make the label widget */
+  label = XtCreateManagedWidget("dashlist",labelWidgetClass,w,
+				labelargs,XtNumber(labelargs));
+
+  dashargs[0].value = (XtArgVal) callbacklist;
+
+  for (i=0;i<DASHLENGTH;++i) {	/* go through all the buttons */
+    if (i==0) {			/* offset the first one from the label */
+      dashargs[1].value = (XtArgVal) 10;
+      dashargs[2].value = (XtArgVal) label;
+    }
+    else {			/* put it directly to the right of the
+				   last one, no space in between */
+      dashargs[1].value = (XtArgVal) -1;
+      dashargs[2].value = (XtArgVal) dashes[i-1];
+    }
+
+    /* set its original state depending on the state of that
+    ** bit of the dashlist */
+
+    if (dashlist&1<<i)
+      dashargs[6].value = (XtArgVal) True;
+    else
+      dashargs[6].value = (XtArgVal) False;
+
+    sprintf(name,"dashlist%d",i);
+
+    dashinfo[i] = i;		/* which bit we're on; this is needed
+				   in change_dashlist (the callback) */
+    callbacklist[0].closure = (caddr_t) &dashinfo[i];
+
+    dashes[i] = XtCreateManagedWidget(name,toggleWidgetClass,w,
+				  dashargs,XtNumber(dashargs));
+  }
+}
+
+/* change_dashlist(w,closure,call_data)
+** ------------------------------------
+** This function is called when the user toggles a toggle widget.  It
+** makes the appropriate change to the dashlist and sends it off
+** to interpret().
+** Funny args are because it's a callback.
+*/
+
+/*ARGSUSED*/
+static void
+change_dashlist(w,closure,call_data)
+     Widget w;
+     caddr_t closure;
+     caddr_t call_data;
+{
+  int num;			/* what number button it is */
+  Boolean on;			/* is it currently on or off? */
+
+  char buf[80];			/* string to send to interpret() */
+
+  static Arg args[] = {
+    {XtNstate,    (XtArgVal) NULL}
+  };
+
+  /* set up ArgList so that 'on' will contain the state */
+  args[0].value = (XtArgVal) &on;
+
+  num = * (int *) closure;	/* we put it here back in the last function */
+  XtGetValues(w,args,XtNumber(args));
+
+  /* modify the dashlist as appropriate. */
+  if (on) {			
+    dashlist |= 1<<num;		
+  }
+  else {			
+    dashlist &= ~(1<<num);	
+  }
+
+  /* now tell interpret() about it */
+  sprintf(buf,"dashlist %d\n",dashlist); 
+  interpret(buf,FALSE);
+}
+
+/* update_dashlist(newdash)
+** ------------------------
+** Updates the display of the dashlist so that it corresponds to
+** newdash.
+*/
+
+void
+update_dashlist(newdash)
+     int newdash;
+{
+  int i;			/* counter */
+  static Arg dashargs[] = {	/* Arglist for setting toggle state */
+    {XtNstate,   (XtArgVal) NULL}
+  };
+
+  /* first set the internal representation */
+  dashlist = newdash;
+
+  for (i = 0; i < DASHLENGTH; ++i) {
+    if (newdash & 1<<i) 	/* if it's set, make it look that way */
+      dashargs[0].value = (XtArgVal) True;
+    else
+      dashargs[0].value = (XtArgVal) False;
+
+    XtSetValues(dashes[i],dashargs,XtNumber(dashargs));
+  }
+}