diff options
| author | Guenter Geiger <ggeiger@users.sourceforge.net> | 2003-09-15 11:55:49 +0000 |
|---|---|---|
| committer | Guenter Geiger <ggeiger@users.sourceforge.net> | 2003-09-15 11:55:49 +0000 |
| commit | 1b1c7f613b147566cbb354f25cd25a0276d2770f (patch) | |
| tree | c02249228a9bc815fc14e7de4eedac3e66cf73c8 /gui/gcanvas.c | |
| parent | 2b575004921176d43108b47c2b595e8eb80d87fe (diff) | |
added
svn path=/trunk/externals/ggee/; revision=969
Diffstat (limited to 'gui/gcanvas.c')
| -rw-r--r-- | gui/gcanvas.c | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/gui/gcanvas.c b/gui/gcanvas.c new file mode 100644 index 0000000..656820f --- /dev/null +++ b/gui/gcanvas.c @@ -0,0 +1,288 @@ +/* (C) Guenter Geiger <geiger@epy.co.at> */
+
+
+#include <m_pd.h>
+#include "g_canvas.h"
+
+/* ------------------------ gcanvas ----------------------------- */
+/* an area with gcanvas information */
+
+
+#define BACKGROUNDCOLOR "grey"
+#define DEFAULTCOLOR "grey"
+
+#define DEFAULTSIZE 80
+
+static t_class *gcanvas_class;
+
+typedef struct _gcanvas
+{
+ t_object x_obj;
+ t_glist * x_glist;
+ t_outlet* out2;
+ int x_width;
+ int x_height;
+ t_symbol* x_color;
+ int x;
+ int y;
+} t_gcanvas;
+
+/* widget helper functions */
+
+void gcanvas_drawme(t_gcanvas *x, t_glist *glist, int firsttime)
+{
+ if (firsttime) {
+ sys_vgui(".x%x.c create rectangle \
+%d %d %d %d -tags %xS -fill "BACKGROUNDCOLOR"\n",
+ glist_getcanvas(glist),
+ x->x_obj.te_xpix, x->x_obj.te_ypix,
+ x->x_obj.te_xpix + x->x_width, x->x_obj.te_ypix + x->x_height,
+ x);
+ }
+ else {
+ sys_vgui(".x%x.c coords %xS \
+%d %d %d %d\n",
+ glist_getcanvas(glist), x,
+ x->x_obj.te_xpix, x->x_obj.te_ypix,
+ x->x_obj.te_xpix + x->x_width, x->x_obj.te_ypix + x->x_height);
+ }
+
+
+ {
+ int n = 1;
+ int nplus, i;
+ nplus = (n == 1 ? 1 : n-1);
+ for (i = 0; i < n; i++)
+ {
+ int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
+ if (firsttime)
+ sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xo%d\n",
+ glist_getcanvas(glist),
+ onset, x->x_obj.te_ypix + x->x_height - 1,
+ onset + IOWIDTH, x->x_obj.te_ypix + x->x_height,
+ x, i);
+ else
+ sys_vgui(".x%x.c coords %xo%d %d %d %d %d\n",
+ glist_getcanvas(glist), x, i,
+ onset, x->x_obj.te_ypix + x->x_height - 1,
+ onset + IOWIDTH, x->x_obj.te_ypix + x->x_height);
+ }
+ n = 1;
+ nplus = (n == 1 ? 1 : n-1);
+ for (i = 0; i < n; i++)
+ {
+ int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
+ if (firsttime)
+ sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xi%d\n",
+ glist_getcanvas(glist),
+ onset, x->x_obj.te_ypix,
+ onset + IOWIDTH, x->x_obj.te_ypix + 1,
+ x, i);
+ else
+ sys_vgui(".x%x.c coords %xi%d %d %d %d %d\n",
+ glist_getcanvas(glist), x, i,
+ onset, x->x_obj.te_ypix,
+ onset + IOWIDTH, x->x_obj.te_ypix + 1);
+
+ }
+ }
+
+}
+
+
+
+
+void gcanvas_erase(t_gcanvas* x,t_glist* glist)
+{
+ int n;
+ sys_vgui(".x%x.c delete %xS\n",
+ glist_getcanvas(glist), x);
+ n = 1;
+ while (n--) {
+ sys_vgui(".x%x.c delete %xi%d\n",glist_getcanvas(glist),x,n);
+ sys_vgui(".x%x.c delete %xo%d\n",glist_getcanvas(glist),x,n);
+ }
+}
+
+
+
+/* ------------------------ gcanvas widgetbehaviour----------------------------- */
+
+
+static void gcanvas_getrect(t_gobj *z, t_glist *owner,
+ int *xp1, int *yp1, int *xp2, int *yp2)
+{
+ int width, height;
+ t_gcanvas* s = (t_gcanvas*)z;
+
+
+ width = s->x_width;
+ height = s->x_height;
+ *xp1 = s->x_obj.te_xpix;
+ *yp1 = s->x_obj.te_ypix;
+ *xp2 = s->x_obj.te_xpix + width;
+ *yp2 = s->x_obj.te_ypix + height;
+}
+
+static void gcanvas_displace(t_gobj *z, t_glist *glist,
+ int dx, int dy)
+{
+ t_gcanvas *x = (t_gcanvas *)z;
+ x->x_obj.te_xpix += dx;
+ x->x_obj.te_ypix += dy;
+ gcanvas_drawme(x, glist, 0);
+ canvas_fixlinesfor(glist_getcanvas(glist),(t_text*) x);
+}
+
+static void gcanvas_select(t_gobj *z, t_glist *glist, int state)
+{
+ t_gcanvas *x = (t_gcanvas *)z;
+ sys_vgui(".x%x.c itemconfigure %xS -fill %s\n", glist,
+ x, (state? "blue" : BACKGROUNDCOLOR));
+}
+
+
+static void gcanvas_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 gcanvas_delete(t_gobj *z, t_glist *glist)
+{
+ t_text *x = (t_text *)z;
+ canvas_deletelinesfor(glist_getcanvas(glist), x);
+}
+
+
+static void gcanvas_vis(t_gobj *z, t_glist *glist, int vis)
+{
+ t_gcanvas* s = (t_gcanvas*)z;
+ if (vis)
+ gcanvas_drawme(s, glist, 1);
+ else
+ gcanvas_erase(s,glist);
+}
+
+/* can we use the normal text save function ?? */
+
+static void gcanvas_save(t_gobj *z, t_binbuf *b)
+{
+ t_gcanvas *x = (t_gcanvas *)z;
+ binbuf_addv(b, "ssiissii", gensym("#X"),gensym("obj"),
+ (t_int)x->x_obj.te_xpix, (t_int)x->x_obj.te_ypix,
+ gensym("gcanvas"),x->x_color,x->x_width,x->x_height);
+ binbuf_addv(b, ";");
+}
+
+
+t_widgetbehavior gcanvas_widgetbehavior;
+
+static void gcanvas_motion(t_gcanvas *x, t_floatarg dx, t_floatarg dy)
+{
+ x->x += dx;
+ x->y += dy;
+ outlet_float(x->x_obj.ob_outlet,x->x);
+ outlet_float(x->out2,x->y);
+}
+
+void gcanvas_key(t_gcanvas *x, t_floatarg f)
+{
+ post("key");
+}
+
+
+static void gcanvas_click(t_gcanvas *x,
+ t_floatarg xpos, t_floatarg ypos, t_floatarg shift, t_floatarg ctrl,
+ t_floatarg alt)
+{
+ glist_grab(x->x_glist, &x->x_obj.te_g, (t_glistmotionfn) gcanvas_motion,
+ (t_glistkeyfn) NULL, xpos, ypos);
+
+ x->x = xpos - x->x_obj.te_xpix;
+ x->y = ypos - x->x_obj.te_ypix;
+ outlet_float(x->x_obj.ob_outlet,x->x);
+ outlet_float(x->out2,x->y);
+}
+
+static int gcanvas_newclick(t_gobj *z, struct _glist *glist,
+ int xpix, int ypix, int shift, int alt, int dbl, int doit)
+{
+ if (doit)
+ gcanvas_click((t_gcanvas *)z, (t_floatarg)xpix, (t_floatarg)ypix,
+ (t_floatarg)shift, 0, (t_floatarg)alt);
+ return (1);
+}
+
+void gcanvas_size(t_gcanvas* x,t_floatarg w,t_floatarg h) {
+ x->x_width = w;
+ x->x_height = h;
+ gcanvas_drawme(x, x->x_glist, 0);
+}
+
+void gcanvas_color(t_gcanvas* x,t_symbol* col)
+{
+ x->x_color = 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 gcanvas_setwidget(void)
+{
+ gcanvas_widgetbehavior.w_getrectfn = gcanvas_getrect;
+ gcanvas_widgetbehavior.w_displacefn = gcanvas_displace;
+ gcanvas_widgetbehavior.w_selectfn = gcanvas_select;
+ gcanvas_widgetbehavior.w_activatefn = gcanvas_activate;
+ gcanvas_widgetbehavior.w_deletefn = gcanvas_delete;
+ gcanvas_widgetbehavior.w_visfn = gcanvas_vis;
+ gcanvas_widgetbehavior.w_clickfn = gcanvas_newclick;
+ gcanvas_widgetbehavior.w_propertiesfn = NULL;
+ gcanvas_widgetbehavior.w_savefn = gcanvas_save;
+}
+
+
+static void *gcanvas_new(t_symbol* col,t_floatarg h,t_floatarg o)
+{
+ t_gcanvas *x = (t_gcanvas *)pd_new(gcanvas_class);
+
+ x->x_glist = (t_glist*) canvas_getcurrent();
+ if (h) x->x_width = h;
+ else
+ x->x_width = DEFAULTSIZE;
+
+ if (o) x->x_height = o;
+ else
+ x->x_height = DEFAULTSIZE;
+
+ if (col != &s_)
+ x->x_color = col;
+ else
+ x->x_color = gensym(DEFAULTCOLOR);
+
+ outlet_new(&x->x_obj, &s_float);
+ x->out2 = outlet_new(&x->x_obj, &s_float);
+ return (x);
+}
+
+void gcanvas_setup(void)
+{
+ gcanvas_class = class_new(gensym("gcanvas"), (t_newmethod)gcanvas_new, 0,
+ sizeof(t_gcanvas),0, A_DEFSYM,A_DEFFLOAT,A_DEFFLOAT,0);
+
+ class_addcreator((t_newmethod)gcanvas_new,gensym("bng"),A_DEFSYM,A_DEFFLOAT,A_DEFFLOAT,A_GIMME,0);
+
+ class_addmethod(gcanvas_class, (t_method)gcanvas_click, gensym("click"),
+ A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
+ class_addmethod(gcanvas_class, (t_method)gcanvas_size, gensym("size"),
+ A_FLOAT, A_FLOAT, 0);
+
+ class_addmethod(gcanvas_class, (t_method)gcanvas_color, gensym("color"),
+ A_SYMBOL, 0);
+
+ gcanvas_setwidget();
+ class_setwidget(gcanvas_class,&gcanvas_widgetbehavior);
+}
+
+
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