diff options
Diffstat (limited to 'test/imagebutton.c')
| -rw-r--r-- | test/imagebutton.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/test/imagebutton.c b/test/imagebutton.c new file mode 100644 index 0000000..577924a --- /dev/null +++ b/test/imagebutton.c @@ -0,0 +1,415 @@ +#include <m_pd.h> +#include "g_canvas.h" +#include <unistd.h> +#include <string.h> +#include <stdio.h> + +/* Append " x " to the following line to show debugging messages */ +#define DEBUG(x) x + +// TODO: NEED TO FREE UNUSED IMAGES! + + + +/* ------------------------ imagebutton ----------------------------- */ + +static t_class *imagebutton_class; +t_widgetbehavior imagebutton_widgetbehavior; + + +typedef struct _imagebutton +{ + t_object x_obj; + t_glist * glist; + int width; + int height; + t_symbol* image_a; + t_symbol* image_b; + t_symbol* receive; + t_clock* clock_flash; + t_clock* clock_brk; + int flashing; + t_outlet* outlet; +} t_imagebutton; + + +static void imagebutton_bang(t_imagebutton *x) +{ + + t_glist* glist = glist_getcanvas(x->glist); + if(x->flashing) { + sys_vgui(".x%x.c itemconfigure %ximage -image %x_imagebutton \n", glist, x,x->image_a); + clock_delay(x->clock_brk, 50); + //x->flashed = 1; + } else { + sys_vgui(".x%x.c itemconfigure %ximage -image %x_imagebutton \n", glist, x,x->image_b); + x->flashing = 1; + + } + clock_delay(x->clock_flash, 250); + + outlet_bang(x->outlet); +} + +static void imagebutton_flash_timeout(t_imagebutton *x) +{ + t_glist* glist = glist_getcanvas(x->glist); + x->flashing = 0; + sys_vgui(".x%x.c itemconfigure %ximage -image %x_imagebutton \n", glist, x,x->image_a); + +} + +static void imagebutton_brk_timeout(t_imagebutton *x) +{ + t_glist* glist = glist_getcanvas(x->glist); + x->flashing = 1; + sys_vgui(".x%x.c itemconfigure %ximage -image %x_imagebutton \n", glist, x,x->image_b); + +} + + +/* widget helper functions */ + +static const char* imagebutton_get_filename(t_imagebutton *x,char *file) { + static char fname[MAXPDSTRING]; + char *bufptr; + int fd; + + fd=open_via_path(canvas_getdir(glist_getcanvas(x->glist))->s_name, + file, "",fname, &bufptr, MAXPDSTRING, 1); + if(fd>0){ + fname[strlen(fname)]='/'; + DEBUG(post("image file: %s",fname);) + close(fd); + return fname; + } else { + return 0; + } +} + +static int imagebutton_click(t_imagebutton *x, struct _glist *glist, + int xpos, int ypos, int shift, int alt, int dbl, int doit) { + DEBUG(post("x:%i y:%i dbl:%i doit:%i",xpos,ypos,dbl,doit);) + //if ( doit) { + //sys_vgui(".x%x.c itemconfigure %ximage -state \"%s\"\n", x->glist, x, doit?"disabled":"normal"); + if ( doit) imagebutton_bang(x) ; + //} + return (1); + } + + + + +static void imagebutton_drawme(t_imagebutton *x, t_glist *glist, int firsttime) { + if (firsttime) { + + sys_vgui(".x%x.c create image %d %d -anchor nw -image %x_imagebutton -disabledimage %x_imagebutton -tags %ximage\n", + glist_getcanvas(glist), + text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist),x->image_a,x->image_b,x); + + + sys_vgui("pd [concat %s _imagesize [image width %x_imagebutton] [image height %x_imagebutton] \\;]\n",x->receive->s_name,x->image_a,x->image_a); + + + } else { + sys_vgui(".x%x.c coords %ximage %d %d\n", + glist_getcanvas(glist), x, + text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist)); + } + +} + + +void imagebutton_erase(t_imagebutton* x,t_glist* glist) +{ + int n; + sys_vgui(".x%x.c delete %ximage\n", + glist_getcanvas(glist), x); + +} + + + +/* ------------------------ image widgetbehaviour----------------------------- */ + + +static void imagebutton_getrect(t_gobj *z, t_glist *glist, + int *xp1, int *yp1, int *xp2, int *yp2) +{ + int width, height; + t_imagebutton* x = (t_imagebutton*)z; + + + width = x->width; + height = x->height; + *xp1 = text_xpix(&x->x_obj, glist); + *yp1 = text_ypix(&x->x_obj, glist); + *xp2 = text_xpix(&x->x_obj, glist) + width; + *yp2 = text_ypix(&x->x_obj, glist) + height; +} + +static void imagebutton_displace(t_gobj *z, t_glist *glist, + int dx, int dy) +{ + t_imagebutton *x = (t_imagebutton *)z; + x->x_obj.te_xpix += dx; + x->x_obj.te_ypix += dy; + sys_vgui(".x%x.c coords %xSEL %d %d %d %d\n", + glist_getcanvas(glist), x, + text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist), + text_xpix(&x->x_obj, glist) + x->width, text_ypix(&x->x_obj, glist) + x->height); + + imagebutton_drawme(x, glist, 0); + canvas_fixlinesfor(glist_getcanvas(glist),(t_text*) x); +} + +static void imagebutton_select(t_gobj *z, t_glist *glist, int state) +{ + t_imagebutton *x = (t_imagebutton *)z; + if (state) { + sys_vgui(".x%x.c create rectangle \ +%d %d %d %d -tags %xSEL -outline blue\n", + glist_getcanvas(glist), + text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist), + text_xpix(&x->x_obj, glist) + x->width, text_ypix(&x->x_obj, glist) + x->height, + x); + } + else { + sys_vgui(".x%x.c delete %xSEL\n", + glist_getcanvas(glist), x); + } + + + +} + + +static void imagebutton_activate(t_gobj *z, t_glist *glist, int state) +{ +/* 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 imagebutton_delete(t_gobj *z, t_glist *glist) +{ + t_text *x = (t_text *)z; + //canvas_deletelinesfor(glist_getcanvas(glist), x); + canvas_deletelinesfor(glist, x); +} + + +static void imagebutton_vis(t_gobj *z, t_glist *glist, int vis) +{ + t_imagebutton* s = (t_imagebutton*)z; + if (vis) + imagebutton_drawme(s, glist, 1); + else + imagebutton_erase(s,glist); +} + +/* can we use the normal text save function ?? */ +/* +static void imagebutton_save(t_gobj *z, t_binbuf *b) +{ + t_imagebutton *x = (t_imagebutton *)z; + binbuf_addv(b, "ssiissi", gensym("#X"),gensym("obj"), + x->x_obj.te_xpix, x->x_obj.te_ypix, + atom_getsymbol(binbuf_getvec(x->x_obj.te_binbuf)), + x->x_image,x->x_type); + binbuf_addv(b, ";"); +} +*/ + + +static void imagebutton_size(t_imagebutton* x,t_floatarg w,t_floatarg h) { + x->width = w; + x->height = h; +} + +static void imagebutton_color(t_imagebutton* x,t_symbol* col) +{ +/* outlet_bang(x->x_obj.ob_outlet); only bang if there was a bang .. + so color black does the same as bang, but doesn't forward the bang +*/ +} + +/* +static void imagebutton_open(t_gobj *z,t_symbol* file) +{ + t_imagebutton* x = (t_imagebutton*)z; + const char *fname; + int oldtype=x->x_type; + + + fname=imagebutton_get_filename(x,file->s_name); + if(fname){ + x->x_image=file; + x->x_type=0; + if(glist_isvisible(x->glist)) { + if(!x->x_localimage) { + sys_vgui("image create photo img%x\n",x); + x->x_localimage=1; + } + sys_vgui("img%x blank\n",x); + sys_vgui("img%x configure -file %s\n",x,fname); + if(oldtype) sys_vgui(".x%x.c itemconfigure %xS -image img%x\n", + glist_getcanvas(x->glist),x,x); + } + } +} + */ + +static void imagebutton_imagesize_callback(t_imagebutton *x, t_float w, t_float h) { + DEBUG(post("received w %f h %f",w,h);) + x->width = w; + x->height = h; + canvas_fixlinesfor(glist_getcanvas(x->glist),(t_text*) x); +} + + +static void imagebutton_free(t_imagebutton *x) { + + // check first if variable has been unset and image is unused + // then delete image and unset variable + DEBUG(sys_vgui("pd [concat DEBUG b in use [image inuse %x_imagebutton] \\;]\n",x->image_b);) + DEBUG(sys_vgui("pd [concat DEBUG a in use [image inuse %x_imagebutton] \\;]\n",x->image_a);) + + sys_vgui("if { [info exists %x_imagebutton] == 1 && [image inuse %x_imagebutton] == 0} { image delete %x_imagebutton \n unset %x_imagebutton\n} \n",x->image_b,x->image_b,x->image_b,x->image_b); + sys_vgui("if { [info exists %x_imagebutton] == 1 && [image inuse %x_imagebutton] == 0} { image delete %x_imagebutton \n unset %x_imagebutton\n} \n",x->image_a,x->image_a,x->image_a,x->image_a); + + DEBUG(sys_vgui("pd [concat DEBUG b exists [info exists %x_imagebutton] \\;]\n",x->image_b);) + DEBUG(sys_vgui("pd [concat DEBUG a exists [info exists %x_imagebutton] \\;]\n",x->image_a);) + + if (x->receive) { + pd_unbind(&x->x_obj.ob_pd,x->receive); + } + clock_free(x->clock_flash); + clock_free(x->clock_brk); + +} + + +static void *imagebutton_new(t_symbol *s, int argc, t_atom *argv) +{ + t_imagebutton *x = (t_imagebutton *)pd_new(imagebutton_class); + + x->glist = (t_glist*) canvas_getcurrent(); + + // Set up a callback to get the size + x->width = 10; + x->height = 10; + + x->flashing = 0; + + x->image_a = NULL; + x->image_b = NULL; + + t_symbol* image_a = NULL; + t_symbol* image_b = NULL; + + const char *fname; + + // CREATE IMAGES + // images are only created if they have not been created yet + // we use the symbol pointer to distinguish between image files + + + if ( argc && (argv)->a_type == A_SYMBOL ) { + image_a= atom_getsymbol(argv); + fname = imagebutton_get_filename(x,image_a->s_name); // Get image file path + if (fname) { + x->image_a = gensym(fname); + //sys_vgui("set %x_a \"%s\" \n",x,fname); + // Create the image only if the class has not already loaded the same image (with the same symbolic path name) + sys_vgui("if { [info exists %x_imagebutton] == 0} { image create photo %x_imagebutton -file \"%s\"\n set %x_imagebutton 1\n} \n",x->image_a,x->image_a,fname,x->image_a); + //sys_vgui("pd [concat test %x_imagebutton \\;]\n",x->image_a); + } + } + + + + if ( argc > 1 && (argv+1)->a_type == A_SYMBOL ) { + image_b= atom_getsymbol(argv+1); + fname = imagebutton_get_filename(x,image_b->s_name); // Get image file path + if (fname) { + x->image_b = gensym(fname); + //sys_vgui("set %x_b \"%s\" \n",x,fname); + sys_vgui("if { [info exists %x_imagebutton] == 0} { image create photo %x_imagebutton -file \"%s\"\n set %x_imagebutton 1\n} \n",x->image_b,x->image_b,fname,x->image_b); + //sys_vgui("pd [concat test %x_imagebutton \\;]\n",x->image_b); + } + } + + if (image_a == NULL || image_b == NULL) { + pd_error(x,"[imagebutton] requires two gif images"); + return NULL; + } + char buf[MAXPDSTRING]; + sprintf(buf, "#%lx", (long)x); + x->receive = gensym(buf); + pd_bind(&x->x_obj.ob_pd, x->receive ); + + x->clock_flash = clock_new(x, (t_method)imagebutton_flash_timeout); + x->clock_brk = clock_new(x, (t_method)imagebutton_brk_timeout); + + + x->outlet = outlet_new(&x->x_obj, &s_float); + + + return (x); + +} + +void imagebutton_setup(void) +{ + imagebutton_class = class_new(gensym("imagebutton"), (t_newmethod)imagebutton_new, (t_method)imagebutton_free, + sizeof(t_imagebutton),0, A_GIMME,0); + + class_addmethod(imagebutton_class, (t_method)imagebutton_imagesize_callback,\ + gensym("_imagesize"), A_DEFFLOAT, A_DEFFLOAT, 0); + + +/* + class_addmethod(imagebutton_class, (t_method)imagebutton_size, gensym("size"), + A_FLOAT, A_FLOAT, 0); + + class_addmethod(imagebutton_class, (t_method)imagebutton_color, gensym("color"), + A_SYMBOL, 0); +*/ + /* + class_addmethod(imagebutton_class, (t_method)imagebutton_open, gensym("open"), + A_SYMBOL, 0); + */ + /* + class_addmethod(imagebutton_class, (t_method)imagebutton_set, gensym("set"), + A_SYMBOL, 0); + */ + /* + class_addmethod(imagebutton_class, (t_method)imagebutton_load, gensym("load"), + A_SYMBOL, A_SYMBOL, 0); +*/ + + imagebutton_widgetbehavior.w_getrectfn = imagebutton_getrect; + imagebutton_widgetbehavior.w_displacefn = imagebutton_displace; + imagebutton_widgetbehavior.w_selectfn = imagebutton_select; + imagebutton_widgetbehavior.w_activatefn = imagebutton_activate; + imagebutton_widgetbehavior.w_deletefn = imagebutton_delete; + imagebutton_widgetbehavior.w_visfn = imagebutton_vis; + + imagebutton_widgetbehavior.w_clickfn = (t_clickfn)imagebutton_click; + + +#if PD_MINOR_VERSION < 37 + imagebutton_widgetbehavior.w_propertiesfn = NULL; + //imagebutton_widgetbehavior.w_savefn = imagebutton_save; +#endif + + + class_setwidget(imagebutton_class,&imagebutton_widgetbehavior); +#if PD_MINOR_VERSION >= 37 + // class_setsavefn(imagebutton_class,&imagebutton_save); +#endif + +} + + |