/* Copyright (c) 1997-2001 Miller Puckette and others. * For information on usage and redistribution, and for a DISCLAIMER OF ALL * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ /* this file defines the "glist" class, also known as "canvas" (the two used to be different but are now unified except for some fossilized names.) */ /* changes by Thomas Musil IEM KUG Graz Austria 2001 */ /* improvement: line-delete-protection, look for "protect" */ /* bug-fix: canvas_menuclose(): by Krzysztof Czaja */ /* bug-fix: table_new(): I reversed the y-bounds */ /* IOhannes : * changed the canvas_restore, so that it might accept $args as well * (like "pd $0_test") * so you can make multiple & distinguishable templates * 1511:forum::für::umläute:2001 * changes marked with IOhannes */ #include #include #include "m_imp.h" #include "g_canvas.h" #include #include "g_all_guis.h" struct _canvasenvironment { t_symbol *ce_dir; /* directory patch lives in */ int ce_argc; /* number of "$" arguments */ t_atom *ce_argv; /* array of "$" arguments */ int ce_dollarzero; /* value of "$0" */ }; #define GLIST_DEFCANVASWIDTH 450 #define GLIST_DEFCANVASHEIGHT 300 #ifdef MACOSX #define GLIST_DEFCANVASYLOC 20 #else #define GLIST_DEFCANVASYLOC 0 #endif /* ---------------------- variables --------------------------- */ extern t_pd *newest; t_class *canvas_class; static int canvas_dspstate; /* whether DSP is on or off */ t_canvas *canvas_editing; /* last canvas to start text edting */ t_canvas *canvas_whichfind; /* last canvas we did a find in */ t_canvas *canvas_list; /* list of all root canvases */ /* ------------------ forward function declarations --------------- */ static void canvas_start_dsp(void); static void canvas_stop_dsp(void); static void canvas_drawlines(t_canvas *x); static void canvas_setbounds(t_canvas *x, int x1, int y1, int x2, int y2); static void canvas_reflecttitle(t_canvas *x); static void canvas_addtolist(t_canvas *x); static void canvas_takeofflist(t_canvas *x); static void canvas_pop(t_canvas *x, t_floatarg fvis); void canvas_create_editor(t_glist *x, int createit); /* --------- functions to handle the canvas environment ----------- */ static t_symbol *canvas_newfilename = &s_; static t_symbol *canvas_newdirectory = &s_; static int canvas_newargc; static t_atom *canvas_newargv; static void glist_doupdatewindowlist(t_glist *gl, char *sbuf) { t_gobj *g; if (!gl->gl_owner) { /* this is a canvas; if we have a window, put on "windows" list */ t_canvas *canvas = (t_canvas *)gl; if (canvas->gl_havewindow) { if (strlen(sbuf) + strlen(gl->gl_name->s_name) + 100 <= 1024) { char tbuf[1024]; sprintf(tbuf, "{%s .x%x} ", gl->gl_name->s_name, (t_int)canvas); strcat(sbuf, tbuf); } } } for (g = gl->gl_list; g; g = g->g_next) { if (pd_class(&g->g_pd) == canvas_class) glist_doupdatewindowlist((t_glist *)g, sbuf); } return; } /* maintain the list of visible toplevels for the GUI's "windows" menu */ void canvas_updatewindowlist( void) { t_canvas *x; char sbuf[1024]; strcpy(sbuf, "set menu_windowlist {"); /* find all root canvases */ for (x = canvas_list; x; x = x->gl_next) glist_doupdatewindowlist(x, sbuf); strcat(sbuf, "}\n"); sys_gui(sbuf); } /* add a glist the list of "root" canvases (toplevels without parents.) */ static void canvas_addtolist(t_canvas *x) { x->gl_next = canvas_list; canvas_list = x; } static void canvas_takeofflist(t_canvas *x) { /* take it off the window list */ if (x == canvas_list) canvas_list = x->gl_next; else { t_canvas *z; for (z = canvas_list; z->gl_next != x; z = z->gl_next) ; z->gl_next = x->gl_next; } } void canvas_setargs(int argc, t_atom *argv) { /* if there's an old one lying around free it here. This happens if an abstraction is loaded but never gets as far as calling canvas_new(). */ if (canvas_newargv) freebytes(canvas_newargv, canvas_newargc * sizeof(t_atom)); canvas_newargc = argc; canvas_newargv = copybytes(argv, argc * sizeof(t_atom)); } void glob_setfilename(void *dummy, t_symbol *filesym, t_symbol *dirsym) { canvas_newfilename = filesym; canvas_newdirectory = dirsym; } t_canvas *canvas_getcurrent(void) { return ((t_canvas *)pd_findbyclass(&s__X, canvas_class)); } void canvas_setcurrent(t_canvas *x) { pd_pushsym(&x->gl_pd); } void canvas_unsetcurrent(t_canvas *x) { pd_popsym(&x->gl_pd); } t_canvasenvironment *canvas_getenv(t_canvas *x) { if (!x) bug("canvas_getenv"); while (!x->gl_env) if (!(x = x->gl_owner)) bug("t_canvasenvironment", x); return (x->gl_env); } int canvas_getdollarzero( void) { t_canvas *x = canvas_getcurrent(); t_canvasenvironment *env = (x ? canvas_getenv(x) : 0); if (env) return (env->ce_dollarzero); else return (0); } void canvas_getargs(int *argcp, t_atom **argvp) { t_canvasenvironment *e = canvas_getenv(canvas_getcurrent()); *argcp = e->ce_argc; *argvp = e->ce_argv; } t_symbol *realizedollsym(t_symbol *s, int ac, t_atom *av, int tonew); t_symbol *canvas_realizedollar(t_canvas *x, t_symbol *s) { t_symbol *ret; char *name = s->s_name; if (*name == '$' && name[1] >= '0' && name[1] <= '9') { t_canvasenvironment *env = canvas_getenv(x); canvas_setcurrent(x); ret = realizedollsym(gensym(name+1), env->ce_argc, env->ce_argv, 1); canvas_unsetcurrent(x); } else ret = s; return (ret); } t_symbol *canvas_getcurrentdir(void) { t_canvasenvironment *e = canvas_getenv(canvas_getcurrent()); return (e->ce_dir); } t_symbol *canvas_getdir(t_canvas *x) { t_canvasenvironment *e = canvas_getenv(x); return (e->ce_dir); } void canvas_makefilename(t_canvas *x, char *file, char *result, int resultsize) { char *dir = canvas_getenv(x)->ce_dir->s_name; if (file[0] == '/' || (file[0] && file[1] == ':') || !*dir) { strncpy(result, file, resultsize); result[resultsize-1] = 0; } else { int nleft; strncpy(result, dir, resultsize); result[resultsize-1] = 0; nleft = resultsize - strlen(result) - 1; if (nleft <= 0) return; strcat(result, "/"); strncat(result, file, nleft); result[resultsize-1] = 0; } } void canvas_rename(t_canvas *x, t_symbol *s, t_symbol *dir) { if (strcmp(x->gl_name->s_name, "Pd")) pd_unbind(&x->gl_pd, canvas_makebindsym(x->gl_name)); x->gl_name = s; if (strcmp(x->gl_name->s_name, "Pd")) pd_bind(&x->gl_pd, canvas_makebindsym(x->gl_name)); if (glist_isvisible(x)) canvas_reflecttitle(x); if (dir && dir != &s_) { t_canvasenvironment *e = canvas_getenv(x); e->ce_dir = dir; } } /* --------------- traversing the set of lines in a canvas ----------- */ int canvas_getindex(t_canvas *x, t_gobj *y) { t_gobj *y2; int indexno; for (indexno = 0, y2 = x->gl_list; y2 && y2 != y; y2 = y2->g_next) indexno++; return (indexno); } void linetraverser_start(t_linetraverser *t, t_canvas *x) { t->tr_ob = 0; t->tr_x = x; t->tr_nextoc = 0; t->tr_nextoutno = t->tr_nout = 0; } t_outconnect *linetraverser_next(t_linetraverser *t) { t_outconnect *rval = t->tr_nextoc; int outno; while (!rval) { outno = t->tr_nextoutno; while (outno == t->tr_nout) { t_gobj *y; t_object *ob = 0; if (!t->tr_ob) y = t->tr_x->gl_list; else y = t->tr_ob->ob_g.g_next; for (; y; y = y->g_next) if (ob = pd_checkobject(&y->g_pd)) break; if (!ob) return (0); t->tr_ob = ob; t->tr_nout = obj_noutlets(ob); outno = 0; if (glist_isvisible(t->tr_x)) gobj_getrect(y, t->tr_x, &t->tr_x11, &t->tr_y11, &t->tr_x12, &t->tr_y12); else t->tr_x11 = t->tr_y11 = t->tr_x12 = t->tr_y12 = 0; } t->tr_nextoutno = outno + 1; rval = obj_starttraverseoutlet(t->tr_ob, &t->tr_outlet, outno); t->tr_outno = outno; } t->tr_nextoc = obj_nexttraverseoutlet(rval, &t->tr_ob2, &t->tr_inlet, &t->tr_inno); t->tr_nin = obj_ninlets(t->tr_ob2); if (!t->tr_nin) bug("drawline"); if (glist_isvisible(t->tr_x)) { int inplus = (t->tr_nin == 1 ? 1 : t->tr_nin - 1); int outplus = (t->tr_nout == 1 ? 1 : t->tr_nout - 1); gobj_getrect(&t->tr_ob2->ob_g, t->tr_x, &t->tr_x21, &t->tr_y21, &t->tr_x22, &t->tr_y22); t->tr_lx1 = t->tr_x11 + ((t->tr_x12 - t->tr_x11 - IOWIDTH) * t->tr_outno) / outplus + IOMIDDLE; t->tr_ly1 = t->tr_y12; t->tr_lx2 = t->tr_x21 + ((t->tr_x22 - t->tr_x21 - IOWIDTH) * t->tr_inno)/inplus + IOMIDDLE; t->tr_ly2 = t->tr_y21; } else { t->tr_x21 = t->tr_y21 = t->tr_x22 = t->tr_y22 = 0; t->tr_lx1 = t->tr_ly1 = t->tr_lx2 = t->tr_ly2 = 0; } return (rval); } void linetraverser_skipobject(t_linetraverser *t) { t->tr_nextoc = 0; t->tr_nextoutno = t->tr_nout; } /* -------------------- the canvas object -------------------------- */ int glist_valid = 10000; void glist_init(t_glist *x) { /* zero out everyone except "pd" field */ memset(((char *)x) + sizeof(x->gl_pd), 0, sizeof(*x) - sizeof(x->gl_pd)); x->gl_stub = gstub_new(x, 0); x->gl_valid = ++glist_valid; x->gl_xlabel = (t_symbol **)t_getbytes(0); x->gl_ylabel = (t_symbol **)t_getbytes(0); } /* make a new glist. It will either be a "root" canvas or else its parent will be a "text" object in another window... we don't know which yet. */ t_canvas *canvas_new(void *dummy, t_symbol *sel, int argc, t_atom *argv) { t_canvas *x = (t_canvas *)pd_new(canvas_class); t_canvas *owner = canvas_getcurrent(); t_symbol *s = &s_; int vis = 0, width = GLIST_DEFCANVASWIDTH, height = GLIST_DEFCANVASHEIGHT; int xloc = 0, yloc = GLIST_DEFCANVASYLOC; int font = (owner ? owner->gl_font : sys_defaultfont); glist_init(x); x->gl_obj.te_type = T_OBJECT; if (!owner) canvas_addtolist(x); /* post("canvas %x, owner %x", x, owner); */ if (argc == 5) /* toplevel: x, y, w, h, font */ { xloc = atom_getintarg(0, argc, argv); yloc = atom_getintarg(1, argc, argv); width = atom_getintarg(2, argc, argv); height = atom_getintarg(3, argc, argv); font = atom_getintarg(4, argc, argv); } else if (argc == 6) /* subwindow: x, y, w, h, name, vis */ { xloc = atom_getintarg(0, argc, argv); yloc = atom_getintarg(1, argc, argv); width = atom_getintarg(2, argc, argv); height = atom_getintarg(3, argc, argv); s = atom_getsymbolarg(4, argc, argv); vis = atom_getintarg(5, argc, argv); } /* (otherwise assume we're being created from the menu.) */ if (canvas_newdirectory->s_name[0]) { static int dollarzero = 1000; t_canvasenvironment *env = x->gl_env = (t_canvasenvironment *)getbytes(sizeof(*x->gl_env)); env->ce_dir = canvas_newdirectory; env->ce_argc = canvas_newargc; env->ce_argv = canvas_newargv; env->ce_dollarzero = dollarzero++; canvas_newdirectory = &s_; canvas_newargc = 0; canvas_newargv = 0; } else x->gl_env = 0; x->gl_x1 = 0; x->gl_y1 = 0; x->gl_x2 = 1; x->gl_y2 = 1; canvas_setbounds(x, xloc, yloc, xloc + width, yloc + height); x->gl_owner = owner; x->gl_name = (*s->s_name ? s : (canvas_newfilename ? canvas_newfilename : gensym("Pd"))); if (strcmp(x->gl_name->s_name, "Pd")) pd_bind(&x->gl_pd, canvas_makebindsym(x->gl_name)); x->gl_loading = 1; x->gl_willvis = vis; x->gl_edit = !strncmp(x->gl_name->s_name, "Untitled", 8); x->gl_font = sys_nearestfontsize(font); pd_pushsym(&x->gl_pd); return(x); } void canvas_setgraph(t_glist *x, int flag); static void canvas_coords(t_glist *x, t_symbol *s, int argc, t_atom *argv) { x->gl_x1 = atom_getfloatarg(0, argc, argv); x->gl_y1 = atom_getfloatarg(1, argc, argv); x->gl_x2 = atom_getfloatarg(2, argc, argv); x->gl_y2 = atom_getfloatarg(3, argc, argv); x->gl_pixwidth = atom_getintarg(4, argc, argv); x->gl_pixheight = atom_getintarg(5, argc, argv); canvas_setgraph(x, atom_getintarg(6, argc, argv)); } /* make a new glist and add it to this glist. It will appear as a "graph", not a text object. */ t_glist *glist_addglist(t_glist *g, t_symbol *sym, float x1, float y1, float x2, float y2, float px1, float py1, float px2, float py2) { static int gcount = 0; int zz; int menu = 0; char *str; t_glist *x = (t_glist *)pd_new(canvas_class); glist_init(x); x->gl_obj.te_type = T_OBJECT; if (!*sym->s_name) { char buf[40]; sprintf(buf, "graph%d", ++gcount); sym = gensym(buf); menu = 1; } else if (!strncmp((str = sym->s_name), "graph", 5) && (zz = atoi(str + 5)) > gcount) gcount = zz; /* in 0.34 and earlier, the pixel rectangle and the y bounds were reversed; this would behave the same, except that the dialog window would be confusing. The "correct" way is to have "py1" be the value that is higher on the screen. */ if (py2 < py1) { float zz; zz = y2; y2 = y1; y1 = zz; zz = py2; py2 = py1; py1 = zz; } if (x1 == x2 || y1 == y2) x1 = 0, x2 = 100, y1 = 1, y2 = -1; if (px1 >= px2 || py1 >= py2) px1 = 100, py1 = 20, px2 = 100 + GLIST_DEFGRAPHWIDTH, py2 = 20 + GLIST_DEFGRAPHHEIGHT; x->gl_name = sym; x->gl_x1 = x1; x->gl_x2 = x2; x->gl_y1 = y1; x->gl_y2 = y2; x->gl_obj.te_xpix = px1; x->gl_obj.te_ypix = py1; x->gl_pixwidth = px2 - px1; x->gl_pixheight = py2 - py1; x->gl_font = (canvas_getcurrent() ? canvas_getcurrent()->gl_font : sys_defaultfont); x->gl_screenx1 = x->gl_screeny1 = 0; x->gl_screenx2 = 450; x->gl_screeny2 = 300; if (strcmp(x->gl_name->s_name, "Pd")) pd_bind(&x->gl_pd, canvas_makebindsym(x->gl_name)); x->gl_owner = g; x->gl_stretch = 1; x->gl_isgraph = 1; x->gl_obj.te_binbuf = binbuf_new(); binbuf_addv(x->gl_obj.te_binbuf, "s", gensym("graph")); if (!menu) pd_pushsym(&x->gl_pd); glist_add(g, &x->gl_gobj); if (glist_isvisible(g)) canvas_create_editor(x, 1); return (x); } /* call glist_addglist from a Pd message */ void glist_glist(t_glist *g, t_symbol *s, int argc, t_atom *argv) { t_symbol *sym = atom_getsymbolarg(0, argc, argv); float x1 = atom_getfloatarg(1, argc, argv); float y1 = atom_getfloatarg(2, argc, argv); float x2 = atom_getfloatarg(3, argc, argv); float y2 = atom_getfloatarg(4, argc, argv); float px1 = atom_getfloatarg(5, argc, argv); float py1 = atom_getfloatarg(6, argc, argv); float px2 = atom_getfloatarg(7, argc, argv); float py2 = atom_getfloatarg(8, argc, argv); glist_addglist(g, sym, x1, y1, x2, y2, px1, py1, px2, py2); } /* return true if the glist should appear as a graph on parent; otherwise it appears as a text box. */ int glist_isgraph(t_glist *x) { return (x->gl_isgraph); } /* This is sent from the GUI to inform a toplevel that its window has been moved or resized. */ static void canvas_setbounds(t_canvas *x, int x1, int y1, int x2, int y2) { int heightwas = y2 - y1; int heightchange = y2 - y1 - (x->gl_screeny2 - x->gl_screeny1); x->gl_screenx1 = x1; x->gl_screeny1 = y1; x->gl_screenx2 = x2; x->gl_screeny2 = y2; /* post("set bounds %d %d %d %d", x1, y1, x2, y2); */ if (!glist_isgraph(x) && (x->gl_y2 < x->gl_y1)) { /* if it's flipped so that y grows upward, fix so that zero is bottom edge and redraw. This is only appropriate if we're a regular "text" object on the parent. */ float diff = x->gl_y1 - x->gl_y2; t_gobj *y; x->gl_y1 = heightwas * diff; x->gl_y2 = x->gl_y1 - diff; /* and move text objects accordingly; they should stick to the bottom, not the top. */ for (y = x->gl_list; y; y = y->g_next) if (pd_checkobject(&y->g_pd)) gobj_displace(y, x, 0, heightchange); canvas_redraw(x); } } t_symbol *canvas_makebindsym(t_symbol *s) { char buf[MAXPDSTRING]; strcpy(buf, "pd-"); strcat(buf, s->s_name); return (gensym(buf)); } void canvas_reflecttitle(t_canvas *x) { char namebuf[MAXPDSTRING]; t_canvasenvironment *env = canvas_getenv(x); if (env->ce_argc) { int i; strcpy(namebuf, " ("); for (i = 0; i < env->ce_argc; i++) { if (strlen(namebuf) > MAXPDSTRING/2 - 5) break; if (i != 0) strcat(namebuf, " "); atom_string(&env->ce_argv[i], namebuf + strlen(namebuf), MAXPDSTRING/2); } strcat(namebuf, ")"); } else namebuf[0] = 0; sys_vgui("wm title .x%x {%s%c%s - %s}\n", x, x->gl_name->s_name, (x->gl_dirty? '*' : ' '), namebuf, canvas_getdir(x)->s_name); } void canvas_dirty(t_canvas *x, t_int n) { t_canvas *x2 = canvas_getrootfor(x); if ((unsigned)n != x2->gl_dirty) { x2->gl_dirty = n; canvas_reflecttitle(x2); } } extern t_gobj *canvas_selectme; /* HACK */ /* the window becomes "mapped" (visible and not miniaturized) or "unmapped" (either miniaturized or just plain gone.) This should be called from the GUI after the fact to "notify" us that we're mapped. */ void canvas_map(t_canvas *x, t_floatarg f) { int flag = (f != 0); t_gobj *y; if (flag) { if (!glist_isvisible(x)) { t_selection *sel; if (!x->gl_havewindow) { bug("canvas_map"); canvas_vis(x, 1); } for (y = x->gl_list; y; y = y->g_next) gobj_vis(y, x, 1); for (sel = x->gl_editor->e_selection; sel; sel = sel->sel_next) gobj_select(sel->sel_what, x, 1); x->gl_mapped = 1; if (canvas_selectme) { glist_noselect(x); glist_select(x, canvas_selectme); canvas_selectme = 0; } canvas_drawlines(x); /* simulate a mouse up so u_main will calculate scrollbars... ugly! */ sys_vgui("pdtk_canvas_mouseup .x%x.c 0 0 0\n", x); } } else { if (glist_isvisible(x)) { for (y = x->gl_list; y; y = y->g_next) gobj_vis(y, x, 0); x->gl_mapped = 0; } } } void canvas_redraw(t_canvas *x) { if (glist_isvisible(x)) { canvas_map(x, 0); canvas_map(x, 1); } } /* ---- editors -- perhaps this and "vis" should go to g_editor.c ------- */ static t_editor *editor_new(t_glist *owner) { char buf[40]; t_editor *x = (t_editor *)getbytes(sizeof(*x)); x->e_connectbuf = binbuf_new(); x->e_deleted = binbuf_new(); x->e_glist = owner; sprintf(buf, ".x%x", (t_int)owner); x->e_guiconnect = guiconnect_new(&owner->gl_pd, gensym(buf)); return (x); } static void editor_free(t_editor *x, t_glist *y) { glist_noselect(y); guiconnect_notarget(x->e_guiconnect, 1000); binbuf_free(x->e_connectbuf); binbuf_free(x->e_deleted); freebytes((void *)x, sizeof(*x)); } /* recursively create or destroy all editors of a glist and its sub-glists, as long as they aren't toplevels. */ void canvas_create_editor(t_glist *x, int createit) { t_gobj *y; if (createit) { if (x->gl_editor) bug("canvas_create_editor"); else x->gl_editor = editor_new(x); } else { if (!x->gl_editor) bug("canvas_create_editor"); else editor_free(x->gl_editor, x); x->gl_editor = 0; } for (y = x->gl_list; y; y = y->g_next) if (pd_class(&y->g_pd) == canvas_class && ((t_canvas *)y)->gl_isgraph) canvas_create_editor((t_canvas *)y, createit); } /* we call this when we want the window to become visible, mapped, and in front of all windows; or with "f" zero, when we want to get rid of the window. */ void canvas_vis(t_canvas *x, t_floatarg f) { char buf[30]; int flag = (f != 0); if (flag) { /* test if we're already visible and toplevel */ if (glist_isvisible(x) && !x->gl_isgraph) { /* just put us in front */ #ifdef NT canvas_vis(x, 0); canvas_vis(x, 1); #else sys_vgui("raise .x%x\n", x); sys_vgui("focus .x%x.c\n", x); sys_vgui("wm deiconify .x%x\n", x); #endif } else { canvas_create_editor(x, 1); sys_vgui("pdtk_canvas_new .x%x %d %d +%d+%d %d\n", x, (int)(x->gl_screenx2 - x->gl_screenx1), (int)(x->gl_screeny2 - x->gl_screeny1), (int)(x->gl_screenx1), (int)(x->gl_screeny1), x->gl_edit); canvas_reflecttitle(x); x->gl_havewindow = 1; canvas_updatewindowlist(); } } else /* make invisible */ { int i; t_canvas *x2; if (!x->gl_havewindow) { /* bug workaround -- a graph in a visible patch gets "invised" when the patch is closed, and must lost the editor here. It's probably not the natural place to do this. Other cases like subpatches fall here too but don'd need the editor freed, so we check if it exists. */ if (x->gl_editor) canvas_create_editor(x, 0); return; } glist_noselect(x); if (glist_isvisible(x)) canvas_map(x, 0); canvas_create_editor(x, 0); sys_vgui("destroy .x%x\n", x); for (i = 1, x2 = x; x2; x2 = x2->gl_next, i++) ; sys_vgui(".mbar.find.menu delete %d\n", i); /* if we're a graph on our parent, and if the parent exists and is visible, show ourselves on parent. */ if (glist_isgraph(x) && x->gl_owner) { t_glist *gl2 = x->gl_owner; canvas_create_editor(x, 1); if (glist_isvisible(gl2)) gobj_vis(&x->gl_gobj, gl2, 0); x->gl_havewindow = 0; if (glist_isvisible(gl2)) gobj_vis(&x->gl_gobj, gl2, 1); } else x->gl_havewindow = 0; canvas_updatewindowlist(); } } /* we call this on a non-toplevel glist to "open" it into its own window. */ void glist_menu_open(t_glist *x) { if (glist_isvisible(x) && !glist_istoplevel(x)) { t_glist *gl2 = x->gl_owner; if (!gl2) bug("canvas_vis"); /* shouldn't happen but don't get too upset. */ else { /* erase ourself in parent window */ gobj_vis(&x->gl_gobj, gl2, 0); /* get rid of our editor (and subeditors) */ canvas_create_editor(x, 0); x->gl_havewindow = 1; /* redraw ourself in parent window (blanked out this time) */ gobj_vis(&x->gl_gobj, gl2, 1); } } canvas_vis(x, 1); } int glist_isvisible(t_glist *x) { return ((!x->gl_loading) && glist_getcanvas(x)->gl_mapped); } int glist_istoplevel(t_glist *x) { /* we consider a graph "toplevel" if it has its own window or if it appears as a box in its parent window so that we don't draw the actual contents there. */ return (x->gl_havewindow || !x->gl_isgraph); } int glist_getfont(t_glist *x) { return (glist_getcanvas(x)->gl_font); } void canvas_free(t_canvas *x) { t_gobj *y; int dspstate = canvas_suspend_dsp(); canvas_noundo(x); if (canvas_editing == x) canvas_editing = 0; if (canvas_whichfind == x) canvas_whichfind = 0; glist_noselect(x); while (y = x->gl_list) glist_delete(x, y); canvas_vis(x, 0); if (strcmp(x->gl_name->s_name, "Pd")) pd_unbind(&x->gl_pd, canvas_makebindsym(x->gl_name)); if (x->gl_env) { freebytes(x->gl_env->ce_argv, x->gl_env->ce_argc * sizeof(t_atom)); freebytes(x->gl_env, sizeof(*x->gl_env)); } canvas_resume_dsp(dspstate); glist_cleanup(x); gfxstub_deleteforkey(x); /* probably unnecessary */ if (!x->gl_owner) canvas_takeofflist(x); } /* ----------------- lines ---------- */ static void canvas_drawlines(t_canvas *x) { t_linetraverser t; t_outconnect *oc; { linetraverser_start(&t, x); while (oc = linetraverser_next(&t)) sys_vgui(".x%x.c create line %d %d %d %d -width %d -tags l%x\n", glist_getcanvas(x), t.tr_lx1, t.tr_ly1, t.tr_lx2, t.tr_ly2, (outlet_getsymbol(t.tr_outlet) == &s_signal ? 2:1), oc); } } void canvas_fixlinesfor(t_canvas *x, t_text *text) { t_linetraverser t; t_outconnect *oc; linetraverser_start(&t, x); while (oc = linetraverser_next(&t)) { if (t.tr_ob == text || t.tr_ob2 == text) { sys_vgui(".x%x.c coords l%x %d %d %d %d\n", glist_getcanvas(x), oc, t.tr_lx1, t.tr_ly1, t.tr_lx2, t.tr_ly2); } } } /* kill all lines for the object */ void canvas_deletelinesfor(t_canvas *x, t_text *text) { t_linetraverser t; t_outconnect *oc; linetraverser_start(&t, x); while (oc = linetraverser_next(&t)) { if (t.tr_ob == text || t.tr_ob2 == text) { if (x->gl_editor) { sys_vgui(".x%x.c delete l%x\n", glist_getcanvas(x), oc); } obj_disconnect(t.tr_ob, t.tr_outno, t.tr_ob2, t.tr_inno); } } } /* kill all lines for one inlet or outlet */ void canvas_deletelinesforio(t_canvas *x, t_text *text, t_inlet *inp, t_outlet *outp) { t_linetraverser t; t_outconnect *oc; linetraverser_start(&t, x); while (oc = linetraverser_next(&t)) { if ((t.tr_ob == text && t.tr_outlet == outp) || (t.tr_ob2 == text && t.tr_inlet == inp)) { if (x->gl_editor) { sys_vgui(".x%x.c delete l%x\n", glist_getcanvas(x), oc); } obj_disconnect(t.tr_ob, t.tr_outno, t.tr_ob2, t.tr_inno); } } } static void canvas_pop(t_canvas *x, t_floatarg fvis) { if (fvis != 0) canvas_vis(x, 1); pd_popsym(&x->gl_pd); canvas_resortinlets(x); canvas_resortoutlets(x); x->gl_loading = 0; } void canvas_objfor(t_glist *gl, t_text *x, int argc, t_atom *argv); void canvas_restore(t_canvas *x, t_symbol *s, int argc, t_atom *argv) { /* IOhannes */ t_pd *z; /* this should be unnecessary, but sometimes the canvas's name gets out of sync with the owning box's argument; this fixes that */ if (argc > 3) { t_atom *ap=argv+3; if (ap->a_type == A_SYMBOL) { char *buf=ap->a_w.w_symbol->s_name, *bufp; if (*buf == '$' && buf[1] >= '0' && buf[1] <= '9') { for (bufp = buf+2; *bufp; bufp++) if (*bufp < '0' || *bufp > '9') { SETDOLLSYM(ap, gensym(buf+1)); goto didit; } SETDOLLAR(ap, atoi(buf+1)); didit: ; } } if (ap->a_type == A_DOLLSYM) { t_canvasenvironment *e = canvas_getenv(canvas_getcurrent()); canvas_rename(x, realizedollsym(ap->a_w.w_symbol, e->ce_argc, e->ce_argv, 1), 0); } else if (ap->a_type == A_SYMBOL) canvas_rename(x, argv[3].a_w.w_symbol, 0); } canvas_pop(x, x->gl_willvis); if (!(z = gensym("#X")->s_thing)) error("canvas_restore: out of context"); else if (*z != canvas_class) error("canvas_restore: wasn't a canvas"); else { t_canvas *x2 = (t_canvas *)z; x->gl_owner = x2; canvas_objfor(x2, &x->gl_obj, argc, argv); } } static void canvas_loadbangabstractions(t_canvas *x) { t_gobj *y; t_symbol *s = gensym("loadbang"); for (y = x->gl_list; y; y = y->g_next) if (pd_class(&y->g_pd) == canvas_class) { if (canvas_isabstraction((t_canvas *)y)) canvas_loadbang((t_canvas *)y); else canvas_loadbangabstractions((t_canvas *)y); } } void canvas_loadbangsubpatches(t_canvas *x) { t_gobj *y; t_symbol *s = gensym("loadbang"); for (y = x->gl_list; y; y = y->g_next) if (pd_class(&y->g_pd) == canvas_class) { if (!canvas_isabstraction((t_canvas *)y)) canvas_loadbangsubpatches((t_canvas *)y); } for (y = x->gl_list; y; y = y->g_next) if ((pd_class(&y->g_pd) != canvas_class) && zgetfn(&y->g_pd, s)) pd_vmess(&y->g_pd, s, ""); } void canvas_loadbang(t_canvas *x) { t_gobj *y; canvas_loadbangabstractions(x); canvas_loadbangsubpatches(x); } /* When you ask a canvas its size the result is 2 pixels more than what you gave it to open it; perhaps there's a 1-pixel border all around it or something. Anyway, we just add the 2 pixels back here: */ #ifdef NT #define HORIZBORDER 2 #define VERTBORDER 2 #else #define HORIZBORDER 2 #define VERTBORDER 2 #endif static void canvas_relocate(t_canvas *x, t_symbol *canvasgeom, t_symbol *topgeom) { int cxpix, cypix, cw, ch, txpix, typix, tw, th; if (sscanf(canvasgeom->s_name, "%dx%d+%d+%d", &cw, &ch, &cxpix, &cypix) < 4 || sscanf(topgeom->s_name, "%dx%d+%d+%d", &tw, &th, &txpix, &typix) < 4) bug("canvas_relocate"); /* for some reason this is initially called with cw=ch=1 so we just suppress that here. */ if (cw > 5 && ch > 5) canvas_setbounds(x, txpix, typix, txpix + cw - HORIZBORDER, typix + ch - VERTBORDER); } void canvas_popabstraction(t_canvas *x) { newest = &x->gl_pd; pd_popsym(&x->gl_pd); x->gl_loading = 0; canvas_resortinlets(x); canvas_resortoutlets(x); } void canvas_logerror(t_object *y) { #ifdef LATER canvas_vis(x, 1); if (!glist_isselected(x, &y->ob_g)) glist_select(x, &y->ob_g); #endif } /* -------------------------- subcanvases ---------------------- */ static void *subcanvas_new(t_symbol *s) { t_atom a[6]; t_canvas *x, *z = canvas_getcurrent(); if (!*s->s_name) s = gensym("/SUBPATCH/"); SETFLOAT(a, 0); SETFLOAT(a+1, GLIST_DEFCANVASYLOC); SETFLOAT(a+2, GLIST_DEFCANVASWIDTH); SETFLOAT(a+3, GLIST_DEFCANVASHEIGHT); SETSYMBOL(a+4, s); SETFLOAT(a+5, 1); x = canvas_new(0, 0, 6, a); x->gl_owner = z; canvas_pop(x, 1); return (x); } static void canvas_click(t_canvas *x, t_floatarg xpos, t_floatarg ypos, t_floatarg shift, t_floatarg ctrl, t_floatarg alt) { canvas_vis(x, 1); } /* find out from subcanvas contents how much to fatten the box */ void canvas_fattensub(t_canvas *x, int *xp1, int *yp1, int *xp2, int *yp2) { t_gobj *y; *xp2 += 50; /* fake for now */ *yp2 += 50; } static void canvas_rename_method(t_canvas *x, t_symbol *s, int ac, t_atom *av) { if (ac && av->a_type == A_SYMBOL) canvas_rename(x, av->a_w.w_symbol, 0); else canvas_rename(x, gensym("Pd"), 0); } /* ------------------ table ---------------------------*/ static int tabcount = 0; static void *table_new(t_symbol *s, t_floatarg f) { t_atom a[9]; t_glist *gl; t_canvas *x, *z = canvas_getcurrent(); if (s == &s_) { char tabname[255]; t_symbol *t = gensym("table"); sprintf(tabname, "%s%d", t->s_name, tabcount++); s = gensym(tabname); } if (f <= 1) f = 100; SETFLOAT(a, 0); SETFLOAT(a+1, GLIST_DEFCANVASYLOC); SETFLOAT(a+2, 600); SETFLOAT(a+3, 400); SETSYMBOL(a+4, s); SETFLOAT(a+5, 0); x = canvas_new(0, 0, 6, a); x->gl_owner = z; /* create a graph for the table */ gl = glist_addglist((t_glist*)x, &s_, 0, -1, (f > 1 ? f-1 : 1), 1, 50, 350, 550, 50); graph_array(gl, s, &s_float, f, 0); canvas_pop(x, 0); return (x); } /* return true if the "canvas" object is an abstraction (so we don't save its contents, fogr example.) */ int canvas_isabstraction(t_canvas *x) { return (x->gl_env != 0); } /* return true if the "canvas" object is a "table". */ int canvas_istable(t_canvas *x) { t_atom *argv = (x->gl_obj.te_binbuf? binbuf_getvec(x->gl_obj.te_binbuf):0); int argc = (x->gl_obj.te_binbuf? binbuf_getnatom(x->gl_obj.te_binbuf) : 0); int istable = (argc && argv[0].a_type == A_SYMBOL && argv[0].a_w.w_symbol == gensym("table")); return (istable); } /* return true if the "canvas" object should be treated as a text object. This is true for abstractions but also for "table"s... */ int canvas_showtext(t_canvas *x) { t_atom *argv = (x->gl_obj.te_binbuf? binbuf_getvec(x->gl_obj.te_binbuf):0); int argc = (x->gl_obj.te_binbuf? binbuf_getnatom(x->gl_obj.te_binbuf) : 0); int isarray = (argc && argv[0].a_type == A_SYMBOL && argv[0].a_w.w_symbol == gensym("graph")); return (!isarray); } static void canvas_dodsp(t_canvas *x, int toplevel, t_signal **sp); static void canvas_dsp(t_canvas *x, t_signal **sp) { canvas_dodsp(x, 0, sp); } /* get the document containing this canvas */ t_canvas *canvas_getrootfor(t_canvas *x) { if ((!x->gl_owner) || canvas_isabstraction(x)) return (x); else return (canvas_getrootfor(x->gl_owner)); } /* ------------------------- DSP chain handling ------------------------- */ EXTERN_STRUCT _dspcontext; #define t_dspcontext struct _dspcontext void ugen_start(void); void ugen_stop(void); t_dspcontext *ugen_start_graph(int toplevel, t_signal **sp, int ninlets, int noutlets); void ugen_add(t_dspcontext *dc, t_object *x); void ugen_connect(t_dspcontext *dc, t_object *x1, int outno, t_object *x2, int inno); void ugen_done_graph(t_dspcontext *dc); int obj_issignaloutlet(t_object *x, int outno); int obj_nsiginlets(t_object *x); int obj_nsigoutlets(t_object *x); /* schedule one canvas for DSP. This is called below for all "root" canvases, but is also called from the "dsp" method for sub- canvases, which are treated almost like any other tilde object. */ static void canvas_dodsp(t_canvas *x, int toplevel, t_signal **sp) { t_linetraverser t; t_outconnect *oc; t_gobj *y; t_object *ob; t_symbol *dspsym = gensym("dsp"); t_dspcontext *dc; /* create a new "DSP graph" object to use in sorting this canvas. If we aren't toplevel, there are already other dspcontexts around. */ dc = ugen_start_graph(toplevel, sp, obj_nsiginlets(&x->gl_obj), obj_nsigoutlets(&x->gl_obj)); /* find all the "dsp" boxes and add them to the graph */ for (y = x->gl_list; y; y = y->g_next) if ((ob = pd_checkobject(&y->g_pd)) && zgetfn(&y->g_pd, dspsym)) ugen_add(dc, ob); /* ... and all dsp interconnections */ linetraverser_start(&t, x); while (oc = linetraverser_next(&t)) if (obj_issignaloutlet(t.tr_ob, t.tr_outno)) ugen_connect(dc, t.tr_ob, t.tr_outno, t.tr_ob2, t.tr_inno); /* finally, sort them and add them to the DSP chain */ ugen_done_graph(dc); } /* this routine starts DSP for all root canvases. */ static void canvas_start_dsp(void) { t_canvas *x; if (canvas_dspstate) ugen_stop(); else sys_gui("pdtk_pd_dsp ON\n"); ugen_start(); for (x = canvas_list; x; x = x->gl_next) canvas_dodsp(x, 1, 0); canvas_dspstate = 1; } static void canvas_stop_dsp(void) { if (canvas_dspstate) { ugen_stop(); sys_gui("pdtk_pd_dsp OFF\n"); canvas_dspstate = 0; } } /* DSP can be suspended before, and resumed after, operations which might affect the DSP chain. For example, we suspend before loading and resume afterward, so that DSP doesn't get resorted for every DSP object int the patch. */ int canvas_suspend_dsp(void) { int rval = canvas_dspstate; if (rval) canvas_stop_dsp(); return (rval); } void canvas_resume_dsp(int oldstate) { if (oldstate) canvas_start_dsp(); } /* this is equivalent to suspending and resuming in one step. */ void canvas_update_dsp(void) { if (canvas_dspstate) canvas_start_dsp(); } void glob_dsp(void *dummy, t_symbol *s, int argc, t_atom *argv) { int newstate; if (argc) { newstate = atom_getintarg(0, argc, argv); if (newstate && !canvas_dspstate) canvas_start_dsp(); else if (!newstate && canvas_dspstate) canvas_stop_dsp(); } else post("dsp state %d", canvas_dspstate); } /* LATER replace this with a queueing scheme */ void glist_redrawitem(t_glist *owner, t_gobj *gobj) { if (glist_isvisible(owner)) { gobj_vis(gobj, owner, 0); gobj_vis(gobj, owner, 1); } } /* redraw all "scalars" (do this if a drawing command is changed.) LATER we'll use the "template" information to select which ones we redraw. */ static void glist_redrawall(t_glist *gl) { t_gobj *g; int vis = glist_isvisible(gl); for (g = gl->gl_list; g; g = g->g_next) { t_class *cl; if (vis && g->g_pd == scalar_class) glist_redrawitem(gl, g); else if (g->g_pd == canvas_class) glist_redrawall((t_glist *)g); } } /* public interface for above */ void canvas_redrawallfortemplate(t_canvas *template) { t_canvas *x; if (!template->gl_imatemplate) return; /* find all root canvases */ for (x = canvas_list; x; x = x->gl_next) glist_redrawall(x); } /* Same as above but just zap them. Call this if a template is changed by adding or removing a field. LATER we'll just modify all the items appropriately. */ static void glist_zapall(t_glist *gl) { t_gobj *g; for (g = gl->gl_list; g; g = g->g_next) { t_class *cl; if (g->g_pd == canvas_class) glist_zapall((t_glist *)g); } /* do we have any scalars? */ for (g = gl->gl_list; g; g = g->g_next) { if (g->g_pd == scalar_class) break; } if (!g) return; /* delete all the scalars. This is inefficient if for some reason you've mixed scalars with other items in a single glist. */ while (1) { for (g = gl->gl_list; g; g = g->g_next) { if (g->g_pd == scalar_class) { glist_delete(gl, g); break; } } if (!g) break; } } /* public interface for above */ void canvas_zapallfortemplate(t_canvas *template) { t_canvas *x; if (!template->gl_imatemplate) return; /* find all root canvases */ for (x = canvas_list; x; x = x->gl_next) glist_zapall(x); } /* warn a canvas that some datum has used it as a template. If a canvas has no data associated with it (at load time, for instance) we don't have to search through the world for instances as it changes. */ void canvas_setusedastemplate(t_canvas *x) { x->gl_imatemplate = 1; } /* ------------------------------- setup routine ------------------------ */ /* why are some of these "glist" and others "canvas"? */ extern void glist_text(t_glist *x, t_symbol *s, int argc, t_atom *argv); extern void canvas_obj(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_bng(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_toggle(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_vslider(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_hslider(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_vdial(t_glist *gl, t_symbol *s, int argc, t_atom *argv); /* old version... */ extern void canvas_hdial(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_hdial(t_glist *gl, t_symbol *s, int argc, t_atom *argv); /* new version: */ extern void canvas_hradio(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_vradio(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_vumeter(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_mycnv(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_numbox(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_msg(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_floatatom(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void canvas_symbolatom(t_glist *gl, t_symbol *s, int argc, t_atom *argv); extern void glist_scalar(t_glist *canvas, t_symbol *s, int argc, t_atom *argv); void g_graph_setup(void); void g_editor_setup(void); void g_readwrite_setup(void); void g_canvas_setup(void) { /* we prevent the user from typing "canvas" in an object box by sending 0 for a creator function. */ canvas_class = class_new(gensym("canvas"), 0, (t_method)canvas_free, sizeof(t_canvas), CLASS_NOINLET, 0); /* here is the real creator function, invoked in patch files by sending the "canvas" message to #N, which is bound to pd_camvasmaker. */ class_addmethod(pd_canvasmaker, (t_method)canvas_new, gensym("canvas"), A_GIMME, 0); class_addmethod(canvas_class, (t_method)canvas_restore, gensym("restore"), A_GIMME, 0); class_addmethod(canvas_class, (t_method)canvas_coords, gensym("coords"), A_GIMME, 0); /* -------------------------- objects ----------------------------- */ class_addmethod(canvas_class, (t_method)canvas_obj, gensym("obj"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_msg, gensym("msg"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_floatatom, gensym("floatatom"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_symbolatom, gensym("symbolatom"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)glist_text, gensym("text"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)glist_glist, gensym("graph"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)glist_scalar, gensym("scalar"), A_GIMME, A_NULL); /* -------------- Thomas Musil's GUI objects ------------ */ class_addmethod(canvas_class, (t_method)canvas_bng, gensym("bng"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_toggle, gensym("toggle"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_vslider, gensym("vslider"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_hslider, gensym("hslider"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_hdial, gensym("hdial"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_vdial, gensym("vdial"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_hradio, gensym("hradio"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_vradio, gensym("vradio"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_vumeter, gensym("vumeter"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_mycnv, gensym("mycnv"), A_GIMME, A_NULL); class_addmethod(canvas_class, (t_method)canvas_numbox, gensym("numbox"), A_GIMME, A_NULL); /* ------------------------ gui stuff --------------------------- */ class_addmethod(canvas_class, (t_method)canvas_pop, gensym("pop"), A_DEFFLOAT, A_NULL); class_addmethod(canvas_class, (t_method)canvas_loadbang, gensym("loadbang"), A_NULL); class_addmethod(canvas_class, (t_method)canvas_relocate, gensym("relocate"), A_SYMBOL, A_SYMBOL, A_NULL); class_addmethod(canvas_class, (t_method)canvas_vis, gensym("vis"), A_FLOAT, A_NULL); class_addmethod(canvas_class, (t_method)glist_menu_open, gensym("menu-open"), A_NULL); class_addmethod(canvas_class, (t_method)canvas_map, gensym("map"), A_FLOAT, A_NULL); /* ---------------------- list handling ------------------------ */ class_addmethod(canvas_class, (t_method)glist_clear, gensym("clear"), A_NULL); /* ----- subcanvases, which you get by typing "pd" in a box ---- */ class_addcreator((t_newmethod)subcanvas_new, gensym("pd"), A_DEFSYMBOL, 0); class_addcreator((t_newmethod)subcanvas_new, gensym("page"), A_DEFSYMBOL, 0); class_addmethod(canvas_class, (t_method)canvas_click, gensym("click"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0); class_addmethod(canvas_class, (t_method)canvas_dsp, gensym("dsp"), 0); class_addmethod(canvas_class, (t_method)canvas_rename_method, gensym("rename"), A_GIMME, 0); /*---------------------------- tables -- GG ------------------- */ class_addcreator((t_newmethod)table_new, gensym("table"), A_DEFSYM, A_DEFFLOAT, 0); /* -------------- setups from other files for canvas_class ---------------- */ g_graph_setup(); g_editor_setup(); g_readwrite_setup(); }