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/*
Copyright (C) 2007 Free Software Foundation
written by Hans-Christoph Steiner <hans@at.or.at>
This program 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.
This program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
This is the shared library for the tkwidgets library for Pd.
*/
#include "tkwidgets.h"
#include <stdio.h>
#include <string.h>
/* this should be part of the Pd API */
t_symbol *canvas_getname(t_canvas *canvas)
{
char buf[MAXPDSTRING];
snprintf(buf, MAXPDSTRING, ".x%lx", (unsigned long)glist_getcanvas(canvas));
return gensym(buf);
}
/* -------------------- options handling ------------------------------------ */
void tkwidgets_query_options(t_symbol *receive_name, t_symbol *widget_id,
int argc, char** argv)
{
int i;
for(i = 0; i < argc; i++)
sys_vgui("pd [concat %s query_callback %s [%s cget -%s] \\;]\n",
receive_name->s_name, argv[i], widget_id->s_name, argv[i]);
}
/* this function queries the widget and sends the data to the store_callback */
void tkwidgets_store_options(t_symbol *receive_name, t_symbol *tcl_namespace,
t_symbol *widget_id, int argc, char **argv)
{
// build list then send the whole shebang to store_callback
int i;
post("tkwidgets_store_options total options: %d", argc);
for(i = 0; i < argc; i++)
{
// TODO: only send if there is a value, not when blank
sys_vgui("set ::%s::ret [%s cget -%s]\n",
tcl_namespace->s_name, widget_id->s_name, argv[i]);
sys_vgui("if {[string length $::%s::ret] > 0} {\n",
tcl_namespace->s_name);
sys_vgui("lappend ::%s::store_list -%s ; lappend ::%s::store_list $::%s::ret}\n",
tcl_namespace->s_name, argv[i],
tcl_namespace->s_name, tcl_namespace->s_name);
}
sys_vgui("pd [concat %s store_callback $::%s::store_list \\;]\n",
receive_name->s_name, tcl_namespace->s_name);
sys_vgui("unset ::%s::store_list \n", tcl_namespace->s_name);
}
void tkwidgets_restore_options(t_symbol *receive_name, t_symbol *widget_id,
int argc, char** argv)
{
int i;
for(i = 0; i < argc; i++)
{
// TODO parse out -flags and values, and set them here:
sys_vgui("%s configure %s\n",
widget_id->s_name, argv[i]);
}
}
/* -------------------- generate names for various elements ----------------- */
t_symbol* tkwidgets_gen_tcl_namespace(t_object* x, t_symbol* widget_name)
{
char buf[MAXPDSTRING];
sprintf(buf,"%s%lx", widget_name->s_name, (long unsigned int)x);
return gensym(buf);
}
t_symbol* tkwidgets_gen_callback_name(t_symbol* tcl_namespace)
{
char buf[MAXPDSTRING];
sprintf(buf,"#%s", tcl_namespace->s_name);
return gensym(buf);
}
t_symbol* tkwidgets_gen_canvas_id(t_canvas* canvas)
{
char buf[MAXPDSTRING];
sprintf(buf,".x%lx.c", (long unsigned int) canvas);
return gensym(buf);
}
t_symbol* tkwidgets_gen_frame_id(t_object* x, t_symbol* canvas_id)
{
char buf[MAXPDSTRING];
sprintf(buf,"%s.frame%lx", canvas_id->s_name, (long unsigned int)x);
return gensym(buf);
}
t_symbol* tkwidgets_gen_widget_id(t_object* x, t_symbol* parent_id)
{
char buf[MAXPDSTRING];
sprintf(buf,"%s.widget%lx", parent_id->s_name, (long unsigned int)x);
return gensym(buf);
}
t_symbol* tkwidgets_gen_handle_id(t_object *x, t_symbol* canvas_id)
{
char buf[MAXPDSTRING];
sprintf(buf,"%s.handle%lx", canvas_id->s_name, (long unsigned int)x);
return gensym(buf);
}
t_symbol* tkwidgets_gen_scrollbar_id(t_object *x, t_symbol* frame_id)
{
char buf[MAXPDSTRING];
sprintf(buf,"%s.scrollbar%lx", frame_id->s_name, (long unsigned int)x);
return gensym(buf);
}
t_symbol* tkwidgets_gen_window_tag(t_object* x, t_symbol* canvas_id)
{
char buf[MAXPDSTRING];
sprintf(buf,"%s.window%lx", canvas_id->s_name, (long unsigned int)x);
return gensym(buf);
}
t_symbol* tkwidgets_gen_iolets_tag(t_object* x)
{
char buf[MAXPDSTRING];
sprintf(buf,"iolets%lx", (long unsigned int)x);
return gensym(buf);
}
t_symbol* tkwidgets_gen_all_tag(t_object *x)
{
char buf[MAXPDSTRING];
sprintf(buf,"all%lx", (long unsigned int)x);
return gensym(buf);
}
/* -------------------- inlets/outlets -------------------------------------- */
static int calculate_onset(int x_location, int width,
int current_iolet, int total_iolets)
{
post("calculate_onset");
return(x_location + (width - IOWIDTH) \
* current_iolet / (total_iolets == 1 ? 1 : total_iolets - 1));
}
void tkwidgets_draw_inlets(t_object *x, t_glist *glist, t_symbol *canvas_id,
t_symbol *iolets_tag, t_symbol *all_tag,
int width, int height,
int total_inlets, int total_outlets)
{
int i, onset;
int x_location = text_xpix(x, glist);
int y_location = text_ypix(x, glist);
for (i = 0; i < total_inlets; i++) /* inlets */
{
onset = calculate_onset(x_location, width, i, total_inlets);
sys_vgui("%s create rectangle %d %d %d %d -tags {%s %s}\n",
canvas_id->s_name, onset, y_location - 2,
onset + IOWIDTH, y_location,
iolets_tag->s_name, all_tag->s_name);
sys_vgui("%s raise %s\n", canvas_id->s_name, iolets_tag->s_name);
}
for (i = 0; i < total_outlets; i++) /* outlets */
{
onset = calculate_onset(x_location, width, i, total_outlets);
sys_vgui("%s create rectangle %d %d %d %d -tags {%s %s}\n",
canvas_id->s_name, onset, y_location + height,
onset + IOWIDTH, y_location + height + 2,
iolets_tag->s_name, all_tag->s_name);
sys_vgui("%s raise %s\n", canvas_id->s_name, iolets_tag->s_name);
}
}
void tkwidgets_erase_inlets(t_symbol* canvas_id, t_symbol* iolets_tag)
{
sys_vgui("%s delete %s\n", canvas_id->s_name, iolets_tag);
}
/* -------------------- gui elements for resizing --------------------------- */
void tkwidgets_draw_handle()
{
// TODO draw resize handle when selected in editmode
}
void tkwidgets_draw_resize_window()
{
// TODO draw the resize window while resizing
}
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