copied bbogart/entry/entry.c and changed names

svn path=/trunk/externals/hcs/; revision=8899

1 files changed, 766 insertions, 0 deletions

diff --git a/textbox.c b/textbox.c
new file mode 100644
index 0000000..5b1c358
--- /dev/null
+++ b/textbox.c
@@ -0,0 +1,766 @@
+/* text textbox widget for PD                                              *
+ * Based on button from GGEE by Guenter Geiger                           *
+ * Copyright Ben Bogart 2004 ben@ekran.org                               * 
+ * Copyright 2007 Free Software Foundation                               *
+
+ * This program is distributed under the terms of the GNU General Public *
+ * License                                                               *
+
+ * textbox is free software; you can redistribute it and/or modify         *
+ * it under the terms of the GNU General Public License as published by  *
+ * the Free Software Foundation; either version 2 of the License, or     *
+ * (at your option) any later version.                                   *
+
+ * textbox is distributed in the hope that it will be useful,              *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ * GNU General Public License for more details.                          */
+
+#include <m_pd.h>
+#include <m_imp.h>
+#include <g_canvas.h>
+#include <stdio.h>
+#include <string.h>
+
+/* TODO: make "display only" option, to force box to never accept focus */
+/* TODO: make focus option only accept regular and shifted chars, not Cmd, Alt, Ctrl */
+/* TODO: make textbox_save include whole classname, including namespace prefix */
+/* TODO: make [size( message redraw object */
+/* TODO: set message doesnt work with a loadbang */
+/* TODO: make message to add a single character to the existing text  */
+/* TODO: complete inlet draw/erase logic */
+
+#ifdef _MSC_VER
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+#ifndef IOWIDTH 
+#define IOWIDTH 4
+#endif
+
+#define BACKGROUNDCOLOR "grey70"
+
+#define DEBUG(x) x
+
+typedef struct _textbox
+{
+    t_object x_obj;
+    
+    t_glist * x_glist;
+    int x_rect_width;
+    int x_rect_height;
+    t_symbol*  x_receive_name;
+
+/* TODO: these all should be settable by messages */
+    int x_height;
+    int x_width;
+
+    t_symbol* x_bgcolour;
+    t_symbol* x_fgcolour;
+    
+    t_symbol *x_font_face;
+    t_int x_font_size;
+    t_symbol *x_font_weight;
+
+    t_float x_border;
+    t_float x_highlightthickness;
+    t_symbol *x_relief;
+    t_int x_have_scrollbar;
+    
+    t_outlet* x_data_outlet;
+    t_outlet* x_status_outlet;
+} t_textbox;
+
+
+static t_class *textbox_class;
+
+
+static t_symbol *backspace_symbol;
+static t_symbol *return_symbol;
+static t_symbol *space_symbol;
+static t_symbol *tab_symbol;
+static t_symbol *escape_symbol;
+static t_symbol *left_symbol;
+static t_symbol *right_symbol;
+static t_symbol *up_symbol;
+static t_symbol *down_symbol;
+
+/* function prototypes */
+
+static void textbox_getrect(t_gobj *z, t_glist *owner, int *xp1, int *yp1, int *xp2, int *yp2);
+static void textbox_displace(t_gobj *z, t_glist *glist, int dx, int dy);
+static void textbox_select(t_gobj *z, t_glist *glist, int state);
+static void textbox_activate(t_gobj *z, t_glist *glist, int state);
+static void textbox_delete(t_gobj *z, t_glist *glist);
+static void textbox_vis(t_gobj *z, t_glist *glist, int vis);
+static void textbox_save(t_gobj *z, t_binbuf *b);
+
+
+t_widgetbehavior   textbox_widgetbehavior = {
+w_getrectfn:  textbox_getrect,
+w_displacefn: textbox_displace,
+w_selectfn:   textbox_select,
+w_activatefn: textbox_activate,
+w_deletefn:   textbox_delete,
+w_visfn:      textbox_vis,
+w_clickfn:    NULL,
+}; 
+
+/* widget helper functions */
+
+static int calculate_onset(t_textbox *x, t_glist *glist, int i, int nplus)
+{
+    return(text_xpix(&x->x_obj, glist) + (x->x_rect_width - IOWIDTH) * i / nplus);
+}
+
+static void draw_inlets(t_textbox *x, t_glist *glist, int firsttime, int nin, int nout)
+{
+    DEBUG(post("draw_inlets in: %d  out: %d", nin, nout););
+
+    int nplus, i, onset;
+    t_canvas *canvas = glist_getcanvas(glist);
+    
+    nplus = (nin == 1 ? 1 : nin-1);
+    /* inlets */
+    for (i = 0; i < nin; i++)
+    {
+        onset = calculate_onset(x,glist,i,nplus);
+        if (firsttime)
+        {
+            DEBUG(post(".x%x.c create rectangle %d %d %d %d -tags {%xi%d %xi}\n",
+                       canvas, onset, text_ypix(&x->x_obj, glist) - 2,
+                       onset + IOWIDTH, text_ypix(&x->x_obj, glist) - 1,
+                       x, i, x););
+            sys_vgui(".x%x.c create rectangle %d %d %d %d -tags {%xi%d %xi}\n",
+                     canvas, onset, text_ypix(&x->x_obj, glist) - 2,
+                     onset + IOWIDTH, text_ypix(&x->x_obj, glist) - 1,
+                     x, i, x);
+        }
+        else
+        {
+            DEBUG(post(".x%x.c coords %xi%d %d %d %d %d\n",
+                       canvas, x, i, onset, text_ypix(&x->x_obj, glist) - 2,
+                       onset + IOWIDTH, text_ypix(&x->x_obj, glist) - 1););
+            sys_vgui(".x%x.c coords %xi%d %d %d %d %d\n",
+                     canvas, x, i, onset, text_ypix(&x->x_obj, glist) - 2,
+                     onset + IOWIDTH, text_ypix(&x->x_obj, glist)- 1);
+        }
+    }
+    nplus = (nout == 1 ? 1 : nout-1);
+    for (i = 0; i < nout; i++) /* outlets */
+    {
+        onset = calculate_onset(x,glist,i,nplus);
+        if (firsttime)
+        {
+            DEBUG(post(".x%x.c create rectangle %d %d %d %d -tags {%xo%d %xo}\n",
+                       canvas, onset, text_ypix(&x->x_obj, glist) + x->x_rect_height - 2,
+                       onset + IOWIDTH, text_ypix(&x->x_obj, glist) + x->x_rect_height-1,
+                       x, i, x););
+            sys_vgui(".x%x.c create rectangle %d %d %d %d -tags {%xo%d %xo}\n",
+                     canvas, onset, text_ypix(&x->x_obj, glist) + x->x_rect_height - 2,
+                     onset + IOWIDTH, text_ypix(&x->x_obj, glist) + x->x_rect_height-1,
+                     x, i, x);
+        }
+        else
+        {
+            DEBUG(post(".x%x.c coords %xo%d %d %d %d %d\n",
+                       canvas, x, i, 
+                       onset, text_ypix(&x->x_obj, glist) + x->x_rect_height - 2,
+                       onset + IOWIDTH, text_ypix(&x->x_obj, glist) + x->x_rect_height-1););
+            sys_vgui(".x%x.c coords %xo%d %d %d %d %d\n",
+                     canvas, x, i,
+                     onset, text_ypix(&x->x_obj, glist) + x->x_rect_height - 2,
+                     onset + IOWIDTH, text_ypix(&x->x_obj, glist) + x->x_rect_height-1);
+        }
+    }
+    DEBUG(post("draw inlet end"););
+}
+
+static void erase_inlets(t_textbox *x, t_canvas *canvas)
+{
+    DEBUG(post("erase_inlets"););
+/* Added tag for all inlets of one instance */
+    DEBUG(post(".x%x.c delete %xi\n", canvas,x););
+    sys_vgui(".x%x.c delete %xi\n", canvas,x); 
+    DEBUG(post(".x%x.c delete %xo\n", canvas,x););
+    sys_vgui(".x%x.c delete %xo\n", canvas,x); 
+/* Added tag for all outlets of one instance */
+    DEBUG(post(".x%x.c delete  %xhandle\n", canvas,x,0););
+    sys_vgui(".x%x.c delete  %xhandle\n", canvas,x,0);
+}
+
+/* currently unused
+   static void draw_handle(t_textbox *x, t_glist *glist, int firsttime) {
+   int onset = text_xpix(&x->x_obj, glist) + (x->x_rect_width - IOWIDTH+2);
+
+   if (firsttime)
+   sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xhandle\n",
+   glist_getcanvas(glist),
+   onset, text_ypix(&x->x_obj, glist) + x->x_rect_height - 12,
+   onset + IOWIDTH-2, text_ypix(&x->x_obj, glist) + x->x_rect_height-4,
+   x);
+   else
+   sys_vgui(".x%x.c coords %xhandle %d %d %d %d\n",
+   glist_getcanvas(glist), x, 
+   onset, text_ypix(&x->x_obj, glist) + x->x_rect_height - 12,
+   onset + IOWIDTH-2, text_ypix(&x->x_obj, glist) + x->x_rect_height-4);
+   }
+*/
+static void draw_scrollbar(t_textbox *x)
+{
+    DEBUG(post("pack .x%x.c.s%x.scrollbar -side right -fill y -before .x%x.c.s%x.text \n",
+               x->x_glist, x, x->x_glist, x););
+    sys_vgui("pack .x%x.c.s%x.scrollbar -side right -fill y -before .x%x.c.s%x.text \n",
+             x->x_glist, x, x->x_glist, x);
+    x->x_have_scrollbar = 1;
+}
+
+static void erase_scrollbar(t_textbox *x)
+{
+    DEBUG(post("pack forget .x%x.c.s%x.scrollbar \n", x->x_glist, x););
+    sys_vgui("pack forget .x%x.c.s%x.scrollbar \n", x->x_glist, x);
+    x->x_have_scrollbar = 0;
+}
+
+static void create_widget(t_textbox *x, t_glist *glist)
+{
+    DEBUG(post("create_widget"););
+    t_canvas *canvas=glist_getcanvas(glist);
+    /* I guess this is for fine-tuning of the rect size based on width and height? */
+    x->x_rect_width = x->x_width;
+    x->x_rect_height =  x->x_height+2;
+	
+    DEBUG(post("namespace eval textbox%lx {} \n", x););
+    sys_vgui("namespace eval textbox%lx {} \n", x);
+
+    /* Seems we have to delete the widget in case it already exists (Provided by Guenter)*/
+    DEBUG(post("destroy .x%x.c.s%x\n", canvas, x););
+    sys_vgui("destroy .x%x.c.s%x\n", canvas, x);
+
+
+    DEBUG(post("frame .x%x.c.s%x \n",canvas, x););
+    sys_vgui("frame .x%x.c.s%x \n",canvas, x);
+    DEBUG(post("text .x%x.c.s%x.text -font {%s %d %s} -border 1 \
+              -highlightthickness 1 -relief sunken -bg \"%s\" -fg \"%s\" \
+              -yscrollcommand {.x%x.c.s%x.scrollbar set} \n",
+               canvas, x, x->x_font_face->s_name, x->x_font_size, 
+               x->x_font_weight->s_name,
+               x->x_bgcolour->s_name,x->x_fgcolour->s_name,
+               canvas, x););
+    sys_vgui("text .x%x.c.s%x.text -font {%s %d %s} -border 1 \
+              -highlightthickness 1 -relief sunken -bg \"%s\" -fg \"%s\" \
+              -yscrollcommand {.x%x.c.s%x.scrollbar set} \n",
+             canvas, x, x->x_font_face->s_name, x->x_font_size, 
+             x->x_font_weight->s_name,
+             x->x_bgcolour->s_name, x->x_fgcolour->s_name,
+             canvas, x);
+    DEBUG(post("scrollbar .x%x.c.s%x.scrollbar -command {.x%x.c.s%x.text yview} \n",canvas, x, canvas, x););
+    sys_vgui("scrollbar .x%x.c.s%x.scrollbar -command {.x%x.c.s%x.text yview} \n",canvas, x ,canvas, x);
+    DEBUG(post("pack .x%x.c.s%x.scrollbar -side right -fill y \n",canvas, x););
+    sys_vgui("pack .x%x.c.s%x.scrollbar -side right -fill y \n",canvas, x);
+    DEBUG(post("pack .x%x.c.s%x.text -side left -fill both -expand 1 \n",canvas, x););
+    sys_vgui("pack .x%x.c.s%x.text -side left -fill both -expand 1 \n",canvas, x);
+    DEBUG(post("pack .x%x.c.s%x -side bottom -fill both -expand 1 \n",canvas, x););
+    sys_vgui("pack .x%x.c.s%x -side bottom -fill both -expand 1 \n",canvas, x);
+
+    DEBUG(post("bind .x%x.c.s%x.text <KeyRelease> {+pd %s keyup %%N \\;} \n", 
+               canvas, x, x->x_receive_name->s_name););
+    sys_vgui("bind .x%x.c.s%x.text <KeyRelease> {+pd %s keyup %%N \\;} \n", 
+             canvas, x, x->x_receive_name->s_name);
+    DEBUG(post("bind .x%x.c.s%x.text <Leave> {focus [winfo parent .x%x.c.s%x]} \n", 
+               canvas, x, canvas, x);); 
+    sys_vgui("bind .x%x.c.s%x.text <Leave> {focus [winfo parent .x%x.c.s%x]} \n", 
+             canvas, x, canvas, x); 
+}
+
+static void textbox_drawme(t_textbox *x, t_glist *glist, int firsttime)
+{
+    DEBUG(post("textbox_drawme"););
+    t_canvas *canvas=glist_getcanvas(glist);
+    DEBUG(post("drawme %d",firsttime););
+    if (firsttime) 
+    {
+        x->x_glist = canvas;
+        create_widget(x,glist);	       
+        DEBUG(post(".x%x.c create window %d %d -anchor nw -window .x%x.c.s%x \
+                    -tags %xS -width %d -height %d \n", canvas,
+                   text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist),
+                   canvas, x, x, x->x_width, x->x_height););
+        sys_vgui(".x%x.c create window %d %d -anchor nw -window .x%x.c.s%x \
+                  -tags %xS -width %d -height %d \n", canvas, 
+                 text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist),
+                 canvas, x,x, x->x_width, x->x_height);
+    }     
+    else 
+    {
+        DEBUG(post(".x%x.c coords %xS %d %d\n", canvas, x,
+                   text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist)););
+        sys_vgui(".x%x.c coords %xS %d %d\n", canvas, x,
+                 text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist));
+    }
+    post("canvas: %d  glist: %d", canvas->gl_edit, glist->gl_edit); 
+    if( (x->x_glist->gl_edit) && (canvas == x->x_glist) )
+        draw_inlets(x, glist, firsttime, 1,2);
+    else
+        erase_inlets(x, canvas);
+    //     draw_handle(x, glist, firsttime);
+}
+
+
+static void textbox_erase(t_textbox* x,t_glist* glist)
+{
+    DEBUG(post("textbox_erase"););
+    t_canvas *canvas = glist_getcanvas(glist);
+    DEBUG(post("destroy .x%x.c.s%x\n", canvas, x););
+    sys_vgui("destroy .x%x.c.s%x\n", canvas, x);
+
+    DEBUG(post(".x%x.c delete %xS\n", canvas, x););
+    sys_vgui(".x%x.c delete %xS\n", canvas, x);
+
+    erase_inlets(x, canvas);
+}
+	
+
+
+/* ------------------------ text widgetbehaviour----------------------------- */
+
+
+static void textbox_getrect(t_gobj *z, t_glist *owner, 
+                          int *xp1, int *yp1, int *xp2, int *yp2)
+{
+/*     DEBUG(post("textbox_getrect");); */
+    int width, height;
+    t_textbox* s = (t_textbox*)z;
+
+    width = s->x_rect_width;
+    height = s->x_rect_height;
+    *xp1 = text_xpix(&s->x_obj, owner);
+    *yp1 = text_ypix(&s->x_obj, owner) - 1;
+    *xp2 = text_xpix(&s->x_obj, owner) + width;
+    *yp2 = text_ypix(&s->x_obj, owner) + height;
+}
+
+static void textbox_displace(t_gobj *z, t_glist *glist, int dx, int dy)
+{
+    DEBUG(post("textbox_displace"););
+    t_textbox *x = (t_textbox *)z;
+    x->x_obj.te_xpix += dx;
+    x->x_obj.te_ypix += dy;
+    if (glist_isvisible(glist))
+    {
+        t_canvas *canvas = glist_getcanvas(glist);
+        DEBUG(post(".x%x.c coords %xSEL %d %d %d %d\n", canvas, x,
+                   text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist)-1,
+                   text_xpix(&x->x_obj, glist) + x->x_rect_width, 
+                   text_ypix(&x->x_obj, glist) + x->x_rect_height-2););
+        sys_vgui(".x%x.c coords %xSEL %d %d %d %d\n", canvas, x,
+                 text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist)-1,
+                 text_xpix(&x->x_obj, glist) + x->x_rect_width, 
+                 text_ypix(&x->x_obj, glist) + x->x_rect_height-2);
+      
+        textbox_drawme(x, glist, 0);
+        canvas_fixlinesfor(canvas, (t_text*) x);
+    }
+    DEBUG(post("displace end"););
+}
+
+static void textbox_select(t_gobj *z, t_glist *glist, int state)
+{
+    DEBUG(post("textbox_select"););
+    t_textbox *x = (t_textbox *)z;
+    t_canvas *canvas = glist_getcanvas(glist);
+    if (state) {
+        DEBUG(post(".x%x.c create rectangle %d %d %d %d -tags %xSEL -outline blue\n",
+                   canvas,
+                   text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist)-1,
+                   text_xpix(&x->x_obj, glist) + x->x_rect_width, 
+                   text_ypix(&x->x_obj, glist) + x->x_rect_height-2, x););
+        sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xSEL -outline blue\n",
+                 canvas,
+                 text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist)-1,
+                 text_xpix(&x->x_obj, glist) + x->x_rect_width, 
+                 text_ypix(&x->x_obj, glist) + x->x_rect_height-2, x);
+    }
+    else {
+        DEBUG(post(".x%x.c delete %xSEL\n", canvas, x););
+        sys_vgui(".x%x.c delete %xSEL\n", canvas, x);
+    }
+}
+
+static void textbox_activate(t_gobj *z, t_glist *glist, int state)
+{
+    DEBUG(post("textbox_activate"););    
+/* this is currently unused
+   t_text *x = (t_text *)z;
+   t_rtext *y = glist_findrtext(glist, x);
+   if (z->g_pd != gatom_class) rtext_activate(y, state);
+*/
+}
+
+static void textbox_delete(t_gobj *z, t_glist *glist)
+{
+    DEBUG(post("textbox_delete"););    
+    t_text *x = (t_text *)z;
+    canvas_deletelinesfor(glist_getcanvas(glist), x);
+}
+
+       
+static void textbox_vis(t_gobj *z, t_glist *glist, int vis)
+{
+    DEBUG(post("textbox_vis"););
+    t_textbox* s = (t_textbox*)z;
+    t_rtext *y;
+    DEBUG(post("vis: %d",vis););
+    if (vis) {
+        y = (t_rtext *) rtext_new(glist, (t_text *)z);
+        textbox_drawme(s, glist, 1);
+    }
+    else {
+        y = glist_findrtext(glist, (t_text *)z);
+        textbox_erase(s,glist);
+        rtext_free(y);
+    }
+}
+
+static void textbox_add(t_textbox* x,  t_symbol *s, int argc, t_atom *argv)
+{
+    DEBUG(post("textbox_add"););
+    int i;
+    t_symbol *tmp_symbol = s; /* <-- this gets rid of the unused variable warning */
+    t_float tmp_float;
+
+    for(i=0; i<argc ; i++)
+    {
+        tmp_symbol = atom_getsymbolarg(i, argc, argv);
+        if(tmp_symbol == &s_)
+        {
+            tmp_float = atom_getfloatarg(i, argc , argv);
+            DEBUG(post("lappend ::textbox%lx::list %g \n", x, tmp_float ););
+            sys_vgui("lappend ::textbox%lx::list %g \n", x, tmp_float );
+        }
+        else 
+        {
+            DEBUG(post("lappend ::textbox%lx::list %s \n", x, tmp_symbol->s_name ););
+            sys_vgui("lappend ::textbox%lx::list %s \n", x, tmp_symbol->s_name );
+        }
+    }
+    DEBUG(post("append ::textbox%lx::list \" \"\n", x););
+    sys_vgui("append ::textbox%lx::list \" \"\n", x);
+    DEBUG(post(".x%x.c.s%x.text insert end $::textbox%lx::list ; unset ::textbox%lx::list \n", 
+               x->x_glist, x, x, x ););
+    sys_vgui(".x%x.c.s%x.text insert end $::textbox%lx::list ; unset ::textbox%lx::list \n", 
+             x->x_glist, x, x, x );
+    DEBUG(post(".x%x.c.s%x.text yview end-2char \n", x->x_glist, x ););
+    sys_vgui(".x%x.c.s%x.text yview end-2char \n", x->x_glist, x );
+}
+
+/* Clear the contents of the text widget */
+static void textbox_clear(t_textbox* x)
+{
+    DEBUG(post(".x%x.c.s%x.text delete 0.0 end \n", x->x_glist, x););
+    sys_vgui(".x%x.c.s%x.text delete 0.0 end \n", x->x_glist, x);
+}
+
+/* Function to reset the contents of the textbox box */
+static void textbox_set(t_textbox* x,  t_symbol *s, int argc, t_atom *argv)
+{
+    DEBUG(post("textbox_set"););
+    int i;
+
+    textbox_clear(x);
+    textbox_add(x, s, argc, argv);
+}
+
+/* Output the symbol */
+/* , t_symbol *s, int argc, t_atom *argv) */
+static void textbox_output(t_textbox* x, t_symbol *s, int argc, t_atom *argv)
+{
+    outlet_list(x->x_data_outlet, s, argc, argv );
+}
+
+/* Pass the contents of the text widget onto the textbox_output fuction above */
+static void textbox_bang_output(t_textbox* x)
+{
+    /* With "," and ";" escaping thanks to JMZ */
+    DEBUG(post("pd [concat %s output [string map {\",\" \"\\\\,\" \";\" \"\\\\;\"} \
+                [.x%x.c.s%x.text get 0.0 end]] \\;]\n", 
+               x->x_receive_name->s_name, x->x_glist, x););
+    sys_vgui("pd [concat %s output [string map {\",\" \"\\\\,\" \";\" \"\\\\;\"} \
+              [.x%x.c.s%x.text get 0.0 end]] \\;]\n", 
+             x->x_receive_name->s_name, x->x_glist, x);
+
+    DEBUG(post("bind .x%x.c.s%x.text <Leave> {focus [winfo parent .x%x.c.s%x]} \n", 
+               x->x_glist, x, x->x_glist, x););
+    sys_vgui("bind .x%x.c.s%x.text <Leave> {focus [winfo parent .x%x.c.s%x]} \n", 
+             x->x_glist, x, x->x_glist, x);
+}
+
+static void textbox_keyup(t_textbox *x, t_float f)
+{
+/*     DEBUG(post("textbox_keyup");); */
+    int keycode = (int) f;
+    char buf[10];
+    t_symbol *output_symbol;
+
+    if( (keycode > 32 ) && (keycode < 65288) )
+    {
+        snprintf(buf, 2, "%c", keycode);
+        output_symbol = gensym(buf);
+    } else
+        switch(keycode)
+        {
+        case 32: /* space */
+            output_symbol = space_symbol;
+            break;
+        case 65293: /* return */
+            output_symbol = return_symbol;
+            break;
+        case 65288: /* backspace */
+            output_symbol = backspace_symbol;
+            break;
+        case 65289: /* tab */
+            output_symbol = tab_symbol;
+            break;
+        case 65307: /* escape */
+            output_symbol = escape_symbol;
+            break;
+        case 65361: /* left */
+            output_symbol = left_symbol;
+            break;
+        case 65363: /* right */
+            output_symbol = right_symbol;
+            break;
+        case 65362: /* up */
+            output_symbol = up_symbol;
+            break;
+        case 65364: /* down */
+            output_symbol = down_symbol;
+            break;
+        default:
+            snprintf(buf, 10, "key_%d", keycode);
+            DEBUG(post("keyup: %d", keycode););
+            output_symbol = gensym(buf);
+        }
+    outlet_symbol(x->x_status_outlet, output_symbol);
+}
+
+static void textbox_save(t_gobj *z, t_binbuf *b)
+{
+    t_textbox *x = (t_textbox *)z;
+
+    binbuf_addv(b, "ssiisiiss", gensym("#X"),gensym("obj"),
+                x->x_obj.te_xpix, x->x_obj.te_ypix, 
+                gensym("textbox"), x->x_width, x->x_height, x->x_bgcolour, x->x_fgcolour);
+    binbuf_addv(b, ";");
+}
+
+
+static void textbox_option_float(t_textbox* x, t_symbol *option, t_float value)
+{
+	DEBUG(post(".x%x.c.s%x.text configure -%s %f \n", 
+               x->x_glist, x, option->s_name, value););
+	sys_vgui(".x%x.c.s%x.text configure -%s %f \n", 
+               x->x_glist, x, option->s_name, value);
+}
+
+static void textbox_option_symbol(t_textbox* x, t_symbol *option, t_symbol *value)
+{
+	DEBUG(post(".x%x.c.s%x.text configure -%s {%s} \n", 
+               x->x_glist, x, option->s_name, value->s_name););
+	sys_vgui(".x%x.c.s%x.text configure -%s {%s} \n", 
+               x->x_glist, x, option->s_name, value->s_name);
+}
+
+static void textbox_option(t_textbox *x, t_symbol *s, int argc, t_atom *argv)
+{
+    t_symbol *tmp_symbol = s; /* <-- this gets rid of the unused variable warning */
+
+    tmp_symbol = atom_getsymbolarg(1, argc, argv);
+    if(tmp_symbol == &s_)
+    {
+        textbox_option_float(x,atom_getsymbolarg(0, argc, argv),
+                           atom_getfloatarg(1, argc, argv));
+    }
+    else
+    {
+        textbox_option_symbol(x,atom_getsymbolarg(0, argc, argv),tmp_symbol);
+    }
+}
+
+static void textbox_scrollbar(t_textbox *x, t_float f)
+{
+    if(f > 0)
+        draw_scrollbar(x);
+    else
+        erase_scrollbar(x);
+}
+
+
+/* function to change colour of text background */
+void textbox_bgcolour(t_textbox* x, t_symbol* bgcol)
+{
+	x->x_bgcolour = bgcol;
+	DEBUG(post(".x%x.c.s%x.text configure -background \"%s\" \n", 
+               x->x_glist, x, x->x_bgcolour->s_name););
+	sys_vgui(".x%x.c.s%x.text configure -background \"%s\" \n", 
+             x->x_glist, x, x->x_bgcolour->s_name);
+}
+
+/* function to change colour of text foreground */
+void textbox_fgcolour(t_textbox* x, t_symbol* fgcol)
+{
+	x->x_fgcolour = fgcol;
+	DEBUG(post(".x%x.c.s%x.text configure -foreground \"%s\" \n", 
+               x->x_glist, x, x->x_fgcolour->s_name););
+	sys_vgui(".x%x.c.s%x.text configure -foreground \"%s\" \n", 
+             x->x_glist, x, x->x_fgcolour->s_name);
+}
+
+static void textbox_fontsize(t_textbox *x, t_float font_size)
+{
+    DEBUG(post("textbox_fontsize"););
+    post("font size: %f",font_size);
+    if(font_size > 8) 
+    {
+        x->x_font_size = (t_int)font_size;
+        DEBUG(post(".x%x.c.s%x.text configure -font {%s %d %s} \n", 
+                   x->x_glist, x,
+                   x->x_font_face->s_name, x->x_font_size, x->x_font_weight->s_name););
+        sys_vgui(".x%x.c.s%x.text configure -font {%s %d %s} \n", 
+                 x->x_glist, x,
+                 x->x_font_face->s_name, x->x_font_size, 
+                 x->x_font_weight->s_name);
+    }
+    else
+        pd_error(x,"textbox: invalid font size: %f",font_size);
+}
+
+static void textbox_size(t_textbox *x, t_float width, t_float height)
+{
+    DEBUG(post("textbox_size"););
+    x->x_height = height;
+    x->x_width = width;
+}
+
+static void textbox_free(t_textbox *x)
+{
+    pd_unbind(&x->x_obj.ob_pd, x->x_receive_name);
+}
+
+static void *textbox_new(t_symbol *s, int argc, t_atom *argv)
+{
+    DEBUG(post("textbox_new"););
+    t_textbox *x = (t_textbox *)pd_new(textbox_class);
+    char buf[MAXPDSTRING];
+
+    x->x_height = 1;
+    x->x_font_face = gensym("helvetica");
+    x->x_font_size = 10;
+    x->x_font_weight = gensym("normal");
+    x->x_have_scrollbar = 1;
+	
+	if (argc < 4)
+	{
+		post("textbox: You must enter at least 4 arguments. Default values used.");
+		x->x_width = 124;
+		x->x_height = 100;
+		x->x_bgcolour = gensym("grey70");
+		x->x_fgcolour = gensym("black");
+		
+	} else {
+		/* Copy args into structure */
+		x->x_width = atom_getint(argv);
+		x->x_height = atom_getint(argv+1);
+		x->x_bgcolour = atom_getsymbol(argv+2);
+		x->x_fgcolour = atom_getsymbol(argv+3);
+	}	
+
+    x->x_data_outlet = outlet_new(&x->x_obj, &s_float);
+    x->x_status_outlet = outlet_new(&x->x_obj, &s_symbol);
+
+    snprintf(buf,MAXPDSTRING,"#textbox%lx",(long unsigned int)x);
+    x->x_receive_name = gensym(buf);
+    pd_bind(&x->x_obj.ob_pd, x->x_receive_name);
+
+    return (x);
+}
+
+void textbox_setup(void) {
+    textbox_class = class_new(gensym("textbox"), (t_newmethod)textbox_new, 
+                            (t_method)textbox_free, sizeof(t_textbox),0,A_GIMME,0);
+				
+	class_addbang(textbox_class, (t_method)textbox_bang_output);
+
+    class_addmethod(textbox_class, (t_method)textbox_keyup,
+                    gensym("keyup"),
+                    A_DEFFLOAT,
+                    0);
+
+    class_addmethod(textbox_class, (t_method)textbox_scrollbar,
+                    gensym("scrollbar"),
+                    A_DEFFLOAT,
+                    0);
+
+    class_addmethod(textbox_class, (t_method)textbox_option,
+                    gensym("option"),
+                    A_GIMME,
+                    0);
+
+    class_addmethod(textbox_class, (t_method)textbox_size,
+                    gensym("size"),
+                    A_DEFFLOAT,
+                    A_DEFFLOAT,
+                    0);
+
+    class_addmethod(textbox_class, (t_method)textbox_fontsize,
+                    gensym("fontsize"),
+                    A_DEFFLOAT,
+                    0);
+	
+	class_addmethod(textbox_class, (t_method)textbox_output,
+                    gensym("output"),
+                    A_GIMME,
+                    0);
+								  
+	class_addmethod(textbox_class, (t_method)textbox_set,
+                    gensym("set"),
+                    A_GIMME,
+                    0);
+								  
+	class_addmethod(textbox_class, (t_method)textbox_add,
+                    gensym("add"),
+                    A_GIMME,
+                    0);
+								  
+	class_addmethod(textbox_class, (t_method)textbox_clear,
+                    gensym("clear"),
+                    0);
+								  
+	class_addmethod(textbox_class, (t_method)textbox_bgcolour,
+                    gensym("bgcolour"),
+                    A_DEFSYMBOL,
+                    0);
+								  
+	class_addmethod(textbox_class, (t_method)textbox_fgcolour,
+                    gensym("fgcolour"),
+                    A_DEFSYMBOL,
+                    0);
+								  
+    class_setwidget(textbox_class,&textbox_widgetbehavior);
+    class_setsavefn(textbox_class,&textbox_save);
+
+    backspace_symbol = gensym("backspace");
+    return_symbol = gensym("return");
+	space_symbol = gensym("space");
+	tab_symbol = gensym("tab");
+	escape_symbol = gensym("escape");
+	left_symbol = gensym("left");
+	right_symbol = gensym("right");
+	up_symbol = gensym("up");
+	down_symbol = gensym("down");
+    
+	post("Text v0.1 Ben Bogart.\nCVS: $Revision: 1.1 $ $Date: 2007-10-28 21:19:50 $");
+}
+
+