/* Copyright (c) 1997-1999 Miller Puckette.
 * For information on usage and redistribution, and for a DISCLAIMER OF ALL
 * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */

/* g_7_guis.c written by Thomas Musil (c) IEM KUG Graz Austria 2000-2001 */
/* thanks to Miller Puckette, Guenther Geiger and Krzystof Czaja */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "m_pd.h"
#include "g_canvas.h"
#include "g_all_guis.h"
#include <math.h>

#define IEM_BNG_DEFAULTHOLDFLASHTIME 250
#define IEM_BNG_DEFAULTBREAKFLASHTIME 50
#define IEM_BNG_MINHOLDFLASHTIME 50
#define IEM_BNG_MINBREAKFLASHTIME 10

extern int gfxstub_haveproperties(void *key);
t_widgetbehavior bng_widgetbehavior;
static t_class *bng_class;

void bng_draw_update(t_gobj *xgobj, t_glist *glist)
{
    char tagbuf[MAXPDSTRING];
    char flashcol[8];
    t_bng *x = (t_bng *)xgobj;
    sprintf(tagbuf, "x%lx", (long unsigned int)&x->x_gui);
    if (x->x_gui.x_changed != x->x_flashed && glist_isvisible(glist))
    {
//        sys_vgui(".x%lx.c itemconfigure %lxBUT -fill #%6.6x\n",
//            glist_getcanvas(glist), x,
//            x->x_flashed?x->x_gui.x_fcol:x->x_gui.x_bcol);
        sprintf(flashcol, "#%6.6x",
            x->x_flashed ? x->x_gui.x_fcol : x->x_gui.x_bcol);
        gui_vmess("gui_bng_flash", "xss",
            glist_getcanvas(glist), tagbuf, flashcol);
    }
    x->x_gui.x_changed = x->x_flashed;
}

void bng_draw_new(t_bng *x, t_glist *glist)
{
    char tagbuf[MAXPDSTRING];
    sprintf(tagbuf, "x%lx", (long unsigned int)&x->x_gui);
    t_canvas *canvas=glist_getcanvas(glist);
    int x1=text_xpix(&x->x_gui.x_obj, glist);
    int y1=text_ypix(&x->x_gui.x_obj, glist);

    iemgui_base_draw_new(&x->x_gui);
    t_float cr = (x->x_gui.x_w-2)/2.0;
    t_float cx = x1+cr+1.5;
    t_float cy = y1+cr+1.5;
    //sys_vgui(".x%lx.c create circle %f %f -r %f "
    //         "-stroke $pd_colors(iemgui_border) -fill #%6.6x "
    //         "-tags {%lxBUT x%lx text iemgui border}\n",
    //     canvas, cx, cy, cr, x->x_flashed?x->x_gui.x_fcol:x->x_gui.x_bcol,
    //     x, x);
    gui_vmess("gui_create_bng", "xsfff", canvas, tagbuf,
        cx - x1, cy - y1, cr);
}

void bng_draw_move(t_bng *x, t_glist *glist)
{
    t_canvas *canvas=glist_getcanvas(glist);
    if (!glist_isvisible(canvas)) return;
    int x1=text_xpix(&x->x_gui.x_obj, glist);
    int y1=text_ypix(&x->x_gui.x_obj, glist);

    iemgui_base_draw_move(&x->x_gui);
    t_float cr = (x->x_gui.x_w-2)/2.0;
    t_float cx = x1+cr+1.5;
    t_float cy = y1+cr+1.5;
    //sys_vgui(".x%lx.c coords %lxBUT %f %f\n", canvas, x, cx, cy);
    //sys_vgui(".x%lx.c itemconfigure %lxBUT -fill #%6.6x -r %f\n",
    //    canvas, x, x->x_flashed?x->x_gui.x_fcol:x->x_gui.x_bcol, cr);
    char tagbuf[MAXPDSTRING];
    sprintf(tagbuf, "x%lxbutton", (long unsigned int)x);
    char col[8];
    sprintf(col, "#%6.6x", x->x_flashed ? x->x_gui.x_fcol : x->x_gui.x_bcol);
    gui_start_vmess("gui_configure_item", "xs",
        canvas, tagbuf);
    gui_start_array();
    gui_s("cx");
    gui_f(cx - x1); // 0.5 is fudge factor... might be better
    gui_s("cy");
    gui_f(cy - y1); // handled by shape-rendering css attr
    gui_s("r");
    gui_f(cr);
    gui_s("fill");
    gui_s(col);
    gui_end_array();
    gui_end_vmess();
}

void bng_draw_config(t_bng* x, t_glist* glist)
{
    char tagbuf[MAXPDSTRING];
    t_canvas *canvas=glist_getcanvas(glist);
    iemgui_base_draw_config(&x->x_gui);
    //sys_vgui(".x%lx.c itemconfigure %lxBUT -fill #%6.6x\n",
    //    canvas, x, x->x_flashed?x->x_gui.x_fcol:x->x_gui.x_bcol);
    sprintf(tagbuf, "x%lxbutton", (long unsigned int)x);
    char fcol[8];
    sprintf(fcol, "#%6.6x", x->x_flashed ? x->x_gui.x_fcol : x->x_gui.x_bcol);
    gui_start_vmess("gui_configure_item", "xs",
        canvas, tagbuf);
    gui_start_array();
    gui_s("fill");
    gui_s(fcol);
    gui_end_array();
    gui_end_vmess();
}

/* can eventually remove this */
static void bng__clickhook_old(t_scalehandle *sh, int newstate)
{
    t_bng *x = (t_bng *)(sh->h_master);
    if (sh->h_dragon && newstate == 0 && sh->h_scale)
    {
        canvas_apply_setundo(x->x_gui.x_glist, (t_gobj *)x);
        if (sh->h_dragx || sh->h_dragy)
        {
            x->x_gui.x_w += sh->h_dragx;
            x->x_gui.x_h += sh->h_dragy;
            canvas_dirty(x->x_gui.x_glist, 1);
        }
        if (glist_isvisible(x->x_gui.x_glist))
        {
            bng_draw_move(x, x->x_gui.x_glist);
            scalehandle_unclick_scale(sh);
        }
    }
    iemgui__clickhook3(sh,newstate);
}

/* we may no longer need h_dragon... */
static void bng__clickhook(t_scalehandle *sh, int newstate)
{
    t_bng *x = (t_bng *)(sh->h_master);
    if (newstate)
    {
        canvas_apply_setundo(x->x_gui.x_glist, (t_gobj *)x);
        if (!sh->h_scale) /* click on a label handle */
            scalehandle_click_label(sh);
    }
//    iemgui__clickhook3(sh,newstate);
    sh->h_dragon = newstate;
}

static void bng__motionhook(t_scalehandle *sh,
                    t_floatarg mouse_x, t_floatarg mouse_y)
{
    if (sh->h_scale)
    {
        t_bng *x = (t_bng *)(sh->h_master);
        int width = x->x_gui.x_w,
            height = x->x_gui.x_h;
        int x1, y1, x2, y2, d;
        x1 = text_xpix(&x->x_gui.x_obj, x->x_gui.x_glist);
        y1 = text_ypix(&x->x_gui.x_obj, x->x_gui.x_glist);
        x2 = x1 + width;
        y2 = y1 + height;

        if (mouse_x <= x2)
        {
            if (mouse_y > y2)
                d = mouse_y - y2;
            else if (abs(mouse_y - y2) < abs(mouse_x - x2))
                d = mouse_y - y2;
            else
                d = mouse_x - x2;
        }
        else
        {
            if (mouse_y <= y2)
                d = mouse_x - x2;
            else
                d = maxi(mouse_y - y2, mouse_x - x2);
        }
        sh->h_dragx = d;
        sh->h_dragy = d;
        scalehandle_drag_scale(sh);

        width = maxi(width + d, IEM_GUI_MINSIZE);
        height = width;

        x->x_gui.x_w = width;
        x->x_gui.x_h = height;

        if (glist_isvisible(x->x_gui.x_glist))
        {
            bng_draw_move(x, x->x_gui.x_glist);
            scalehandle_unclick_scale(sh);
        }

        int properties = gfxstub_haveproperties((void *)x);
        if (properties)
        {
            int new_w = x->x_gui.x_w + sh->h_dragx;
            properties_set_field_int(properties,"dim.w_ent",new_w);
        }
    }
    scalehandle_dragon_label(sh,mouse_x, mouse_y);
}

void bng_draw(t_bng *x, t_glist *glist, int mode)
{
    if(mode == IEM_GUI_DRAW_MODE_UPDATE)      sys_queuegui(x, x->x_gui.x_glist, bng_draw_update);
    else if(mode == IEM_GUI_DRAW_MODE_MOVE)   bng_draw_move(x, glist);
    else if(mode == IEM_GUI_DRAW_MODE_NEW)    bng_draw_new(x, glist);
    else if(mode == IEM_GUI_DRAW_MODE_CONFIG) bng_draw_config(x, glist);
}

/* ------------------------ bng widgetbehaviour----------------------------- */

static void bng_getrect(t_gobj *z, t_glist *glist, int *xp1, int *yp1,
    int *xp2, int *yp2)
{
    t_bng *x = (t_bng *)z;

    *xp1 = text_xpix(&x->x_gui.x_obj, glist);
    *yp1 = text_ypix(&x->x_gui.x_obj, glist);
    *xp2 = *xp1 + x->x_gui.x_w;
    *yp2 = *yp1 + x->x_gui.x_h;

    iemgui_label_getrect(x->x_gui, glist, xp1, yp1, xp2, yp2);
}

static void bng_save(t_gobj *z, t_binbuf *b)
{
    t_bng *x = (t_bng *)z;
    int bflcol[3];
    t_symbol *srl[3];

    iemgui_save(&x->x_gui, srl, bflcol);
    binbuf_addv(b, "ssiisiiiisssiiiiiii;", gensym("#X"),gensym("obj"),
        (int)x->x_gui.x_obj.te_xpix, (int)x->x_gui.x_obj.te_ypix,
        gensym("bng"), x->x_gui.x_w,
        x->x_flashtime_hold, x->x_flashtime_break,
        iem_symargstoint(&x->x_gui),
        srl[0], srl[1], srl[2], x->x_gui.x_ldx, x->x_gui.x_ldy,
        iem_fstyletoint(&x->x_gui), x->x_gui.x_fontsize,
        bflcol[0], bflcol[1], bflcol[2]);
}

void bng_check_minmax(t_bng *x, int ftbreak, int fthold)
{
    if(ftbreak > fthold)
    {
        int h = ftbreak;
        ftbreak = fthold;
        fthold = h;
    }
    x->x_flashtime_break = maxi(ftbreak,IEM_BNG_MINBREAKFLASHTIME);
    x->x_flashtime_hold  = maxi(fthold,  IEM_BNG_MINHOLDFLASHTIME);
}

static void bng_properties(t_gobj *z, t_glist *owner)
{
    t_bng *x = (t_bng *)z;
    char buf[800], *gfx_tag;
    t_symbol *srl[3];

    iemgui_properties(&x->x_gui, srl);
    sprintf(buf, "pdtk_iemgui_dialog %%s |bang| \
        ----------dimensions(pix):----------- %d %d size: 0 0 empty \
        --------flash-time(ms)(ms):--------- %d intrrpt: %d hold: %d \
        %d empty empty %d %d empty %d {%s} {%s} {%s} %d %d %d %d %d %d %d\n",

        x->x_gui.x_w,
        IEM_GUI_MINSIZE,
        x->x_flashtime_break,
        x->x_flashtime_hold,
        2, /*min_max_schedule+clip*/
        -1,
        x->x_gui.x_loadinit,
        -1,
        -1, /*no linlog, no multi*/
        srl[0]->s_name, srl[1]->s_name, srl[2]->s_name,
        x->x_gui.x_ldx, x->x_gui.x_ldy,
        x->x_gui.x_font_style, x->x_gui.x_fontsize,
        0xffffff & x->x_gui.x_bcol,
        0xffffff & x->x_gui.x_fcol,
        0xffffff & x->x_gui.x_lcol);

    gfx_tag = gfxstub_new2(&x->x_gui.x_obj.ob_pd, x);
    /* todo: send along the x/y of the object here so we can
       create the window in the right place */

    gui_start_vmess("gui_iemgui_dialog", "s", gfx_tag);
    gui_start_array();

    gui_s("type");
    gui_s("bng");

    gui_s("size"); 
    gui_i(x->x_gui.x_w);

    gui_s("minimum-size");
    gui_i(IEM_GUI_MINSIZE);

    gui_s("range-schedule"); // no idea what this is...
    gui_i(2);

    gui_s("flash-interrupt");
    gui_i(x->x_flashtime_break);

    gui_s("flash-hold");
    gui_i(x->x_flashtime_hold);

    gui_s("init");
    gui_i(x->x_gui.x_loadinit);

    gui_s("send-symbol");
    gui_s(srl[0]->s_name);

    gui_s("receive-symbol");
    gui_s(srl[1]->s_name);

    gui_s("label");
    gui_s(srl[2]->s_name);

    gui_s("x-offset");
    gui_i(x->x_gui.x_ldx);

    gui_s("y-offset");
    gui_i(x->x_gui.x_ldy);

    gui_s("font-style");
    gui_i(x->x_gui.x_font_style);

    gui_s("font-size");
    gui_i(x->x_gui.x_fontsize);

    gui_s("background-color");
    gui_i(0xffffff & x->x_gui.x_bcol);

    gui_s("foreground-color");
    gui_i(0xffffff & x->x_gui.x_fcol);

    gui_s("label-color");
    gui_i(0xffffff & x->x_gui.x_lcol);

    gui_end_array();
    gui_end_vmess();
}

static void bng_set(t_bng *x)
{
    if(x->x_flashed)
    {
        x->x_flashed = 0;
        x->x_gui.x_draw(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
        clock_delay(x->x_clock_brk, x->x_flashtime_break);
        x->x_flashed = 1;
    }
    else
    {
        x->x_flashed = 1;
        x->x_gui.x_draw(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
    }
    clock_delay(x->x_clock_hld, x->x_flashtime_hold);
}

static void bng_bout(t_bng *x, int chk_putin)
/* chk_putin=1: wird nur mehr gesendet, wenn snd != rcv*/
/* chk_putin=0: wird immer gesendet, wenn moeglich */
{
    if(!x->x_gui.x_put_in2out)
    {
        x->x_gui.x_locked = 1;
        clock_delay(x->x_clock_lck, 2);
    }
    iemgui_out_bang(&x->x_gui,0,chk_putin);
}
static void bng_bang(t_bng *x)/*wird nur mehr gesendet, wenn snd != rcv*/
{
    if(!x->x_gui.x_locked) {bng_set(x); bng_bout(x,1);}
}

static void bng_bang2(t_bng *x)/*wird immer gesendet, wenn moeglich*/
{
    if(!x->x_gui.x_locked) {bng_set(x); bng_bout(x,0);}
}

static void bng_dialog(t_bng *x, t_symbol *s, int argc, t_atom *argv)
{
    canvas_apply_setundo(x->x_gui.x_glist, (t_gobj *)x);
    x->x_gui.x_h = x->x_gui.x_w = atom_getintarg(0, argc, argv);
    int fthold = atom_getintarg(2, argc, argv);
    int ftbreak = atom_getintarg(3, argc, argv);
    int sr_flags = iemgui_dialog(&x->x_gui, argc, argv);
    bng_check_minmax(x, ftbreak, fthold);
    iemgui_draw_config(&x->x_gui);
    iemgui_draw_io(&x->x_gui, sr_flags);
    iemgui_shouldvis(&x->x_gui, IEM_GUI_DRAW_MODE_MOVE);
    scalehandle_draw(&x->x_gui);
    scrollbar_update(x->x_gui.x_glist);
}

static void bng_click(t_bng *x, t_floatarg xpos, t_floatarg ypos,
    t_floatarg shift, t_floatarg ctrl, t_floatarg alt)
{
    bng_set(x);
    bng_bout(x,0);
}

static int bng_newclick(t_gobj *z, struct _glist *glist, int xpix, int ypix,
    int shift, int alt, int dbl, int doit)
{
    if(doit)
        bng_click((t_bng *)z, (t_floatarg)xpix, (t_floatarg)ypix,
            (t_floatarg)shift, 0, (t_floatarg)alt);
    return (1);
}

static void bng_float(t_bng *x, t_floatarg f)                  {bng_bang2(x);}
static void bng_symbol(t_bng *x, t_symbol *s)                  {bng_bang2(x);}
static void bng_pointer(t_bng *x, t_gpointer *gp)              {bng_bang2(x);}
static void bng_list(t_bng *x, t_symbol *s, int ac, t_atom *av){bng_bang2(x);}

static void bng_anything(t_bng *x, t_symbol *s, int argc, t_atom *argv)
{bng_bang2(x);}

static void bng_loadbang(t_bng *x)
{
    if(!sys_noloadbang && x->x_gui.x_loadinit)
    {
        bng_set(x);
        bng_bout(x,0);
    }
}

static void bng_size(t_bng *x, t_symbol *s, int ac, t_atom *av)
{
    x->x_gui.x_h = x->x_gui.x_w = iemgui_clip_size((int)atom_getintarg(0, ac, av));
    iemgui_size(&x->x_gui);
}

static void bng_flashtime(t_bng *x, t_symbol *s, int ac, t_atom *av)
{
    bng_check_minmax(x, (int)atom_getintarg(0, ac, av),
                     (int)atom_getintarg(1, ac, av));
}

static void bng_tick_hld(t_bng *x)
{
    x->x_flashed = 0;
    x->x_gui.x_draw(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
}

static void bng_tick_brk(t_bng *x)
{
    x->x_gui.x_draw(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
}

static void bng_tick_lck(t_bng *x)
{
    x->x_gui.x_locked = 0;
}

static void *bng_new(t_symbol *s, int argc, t_atom *argv)
{
    t_bng *x = (t_bng *)pd_new(bng_class);
    int bflcol[]={-262144, -1, -1};
    int a=IEM_GUI_DEFAULTSIZE;
    int ldx=17, ldy=7;
    int fs=10;
    int ftbreak=IEM_BNG_DEFAULTBREAKFLASHTIME,
        fthold=IEM_BNG_DEFAULTHOLDFLASHTIME;

    iem_inttosymargs(&x->x_gui, 0);
    iem_inttofstyle(&x->x_gui, 0);

    if((argc == 14)&&IS_A_FLOAT(argv,0)
       &&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,2)
       &&IS_A_FLOAT(argv,3)
       &&(IS_A_SYMBOL(argv,4)||IS_A_FLOAT(argv,4))
       &&(IS_A_SYMBOL(argv,5)||IS_A_FLOAT(argv,5))
       &&(IS_A_SYMBOL(argv,6)||IS_A_FLOAT(argv,6))
       &&IS_A_FLOAT(argv,7)&&IS_A_FLOAT(argv,8)
       &&IS_A_FLOAT(argv,9)&&IS_A_FLOAT(argv,10)&&IS_A_FLOAT(argv,11)
       &&IS_A_FLOAT(argv,12)&&IS_A_FLOAT(argv,13))
    {

        a = atom_getintarg(0, argc, argv);
        fthold = atom_getintarg(1, argc, argv);
        ftbreak = atom_getintarg(2, argc, argv);
        iem_inttosymargs(&x->x_gui, atom_getintarg(3, argc, argv));
        iemgui_new_getnames(&x->x_gui, 4, argv);
        ldx = atom_getintarg(7, argc, argv);
        ldy = atom_getintarg(8, argc, argv);
        iem_inttofstyle(&x->x_gui, atom_getintarg(9, argc, argv));
        fs = maxi(atom_getintarg(10, argc, argv),4);
        bflcol[0] = atom_getintarg(11, argc, argv);
        bflcol[1] = atom_getintarg(12, argc, argv);
        bflcol[2] = atom_getintarg(13, argc, argv);
    }
    else iemgui_new_getnames(&x->x_gui, 4, 0);

    x->x_gui.x_draw = (t_iemfunptr)bng_draw;

    x->x_flashed = 0;
    x->x_gui.x_glist = (t_glist *)canvas_getcurrent();
    if (x->x_gui.x_font_style<0 || x->x_gui.x_font_style>2) x->x_gui.x_font_style=0;
    if (iemgui_has_rcv(&x->x_gui))
        pd_bind(&x->x_gui.x_obj.ob_pd, x->x_gui.x_rcv);
    x->x_gui.x_ldx = ldx;
    x->x_gui.x_ldy = ldy;
    x->x_gui.x_fontsize = fs;
    x->x_gui.x_w = iemgui_clip_size(a);
    x->x_gui.x_h = x->x_gui.x_w;
    bng_check_minmax(x, ftbreak, fthold);
    iemgui_all_colfromload(&x->x_gui, bflcol);
    x->x_gui.x_locked = 0;
    iemgui_verify_snd_ne_rcv(&x->x_gui);
    x->x_clock_hld = clock_new(x, (t_method)bng_tick_hld);
    x->x_clock_brk = clock_new(x, (t_method)bng_tick_brk);
    x->x_clock_lck = clock_new(x, (t_method)bng_tick_lck);
    outlet_new(&x->x_gui.x_obj, &s_bang);

    x->x_gui.x_handle = scalehandle_new((t_object *)x,x->x_gui.x_glist,1,bng__clickhook,bng__motionhook);
    x->x_gui.x_lhandle = scalehandle_new((t_object *)x,x->x_gui.x_glist,0,bng__clickhook,bng__motionhook);
    x->x_gui.x_obj.te_iemgui = 1;
    x->x_gui.x_changed = -1;

    x->x_gui.legacy_x = 0;
    x->x_gui.legacy_y = 1;

    //x->x_gui.click_x = 1;
    //x->x_gui.click_y = 2;

    return (x);
}

static void bng_ff(t_bng *x)
{
    if(iemgui_has_rcv(&x->x_gui))
        pd_unbind(&x->x_gui.x_obj.ob_pd, x->x_gui.x_rcv);
    clock_free(x->x_clock_lck);
    clock_free(x->x_clock_brk);
    clock_free(x->x_clock_hld);
    gfxstub_deleteforkey(x);

    if (x->x_gui. x_handle) scalehandle_free(x->x_gui. x_handle);
    if (x->x_gui.x_lhandle) scalehandle_free(x->x_gui.x_lhandle);
}

void g_bang_setup(void)
{
    bng_class = class_new(gensym("bng"), (t_newmethod)bng_new,
                          (t_method)bng_ff, sizeof(t_bng), 0, A_GIMME, 0);
    class_addbang(bng_class, bng_bang);
    class_addfloat(bng_class, bng_float);
    class_addsymbol(bng_class, bng_symbol);
    class_addpointer(bng_class, bng_pointer);
    class_addlist(bng_class, bng_list);
    class_addanything(bng_class, bng_anything);
    class_addmethod(bng_class, (t_method)bng_click, gensym("click"),
                    A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
    class_addmethod(bng_class, (t_method)bng_dialog, gensym("dialog"),
                    A_GIMME, 0);
    class_addmethod(bng_class, (t_method)bng_loadbang, gensym("loadbang"), 0);
    class_addmethod(bng_class, (t_method)bng_size, gensym("size"), A_GIMME, 0);
    iemgui_class_addmethods(bng_class);
    class_addmethod(bng_class, (t_method)bng_flashtime, gensym("flashtime"),
        A_GIMME, 0);
    class_addmethod(bng_class, (t_method)iemgui_init, gensym("init"), A_FLOAT, 0);
 
    wb_init(&bng_widgetbehavior,bng_getrect,bng_newclick);
    class_setwidget(bng_class, &bng_widgetbehavior);
    class_sethelpsymbol(bng_class, gensym("bng"));
    class_setsavefn(bng_class, bng_save);
    class_setpropertiesfn(bng_class, bng_properties);
}