ref: 525191c99f034ed807d670fabf634e36d36937d6
parent: ce0c4507d6c7e6460ed098e8a364194ea69b0e72
author: glenda <glenda@9front.local>
date: Thu Nov 26 23:01:37 EST 2020
selection program
--- a/monome.c
+++ b/monome.c
@@ -26,6 +26,8 @@
draw(screen, rectaddpt(buttons[i][j], screen->r.min),
buttonstate[i][j]? display->white: display->black,
nil, ZP);
+
+ flushimage(display, 1);
}
void
--- /dev/null
+++ b/select.c
@@ -1,0 +1,110 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <event.h>
+
+Image *back;
+int fd;
+Rectangle buttons[8][2];
+char saved[8];
+char **states;
+
+void
+redraw(Image *screen)
+{+ int i;
+
+ draw(screen, screen->r, back, nil, ZP);
+
+ for(i = 0; i < 8; i++){+ draw(screen, buttons[i][0], saved[i]? display->white: display->black, nil, ZP);
+ draw(screen, buttons[i][1], display->black, nil, ZP);
+ }
+
+ flushimage(display, 1);
+}
+
+void
+resize(Image *screen)
+{+ int s, w, h;
+ int x, y;
+
+ x = screen->r.min.x;
+ y = screen->r.min.y;
+
+ w = Dx(screen->r)/8;
+ h = Dy(screen->r)/2;
+
+ for (s = 0; s < 8; s++) {+ buttons[s][0] = insetrect(Rect(x + w*s, y, x + w*(s+1), y+h), 3);
+ buttons[s][1] = insetrect(Rect(x + w*s, y+h, x + w*(s+1), y+2*h), 3);
+ }
+}
+
+void
+save(int i)
+{+ if (readn(fd, states[i], 6*16+2) != (6*16+2))
+ sysfatal("readn: %r");+
+ saved[i] = 1;
+}
+
+void
+restore(int i)
+{+ if (saved[i] == 0)
+ return;
+
+ write(fd, states[i], 6*16+2);
+}
+
+void
+eresized(int new)
+{+ if(new && getwindow(display, Refnone) < 0)
+ fprint(2,"can't reattach to window");
+ resize(screen);
+ redraw(screen);
+}
+
+void
+main(int argc, char **argv)
+{+ Mouse m;
+ Point xy;
+ int i;
+
+ fd = open("/mnt/monome/buttons", ORDWR);+ if(fd < 0)
+ sysfatal("open /mnt/monome/buttons: %r");+
+ if(initdraw(0, 0, "select") < 0)
+ sysfatal("initdraw: %r");+
+ back = allocimage(display, Rect(0,0,1,1), CMAP8, 1, 0x777777FF);
+ if (back == nil)
+ sysfatal("allocimage: %r");+
+ states = malloc(8 * sizeof(char*));
+ for(i = 0; i < 8; i++)
+ states[i] = calloc(1, 6*16+2);
+ memset(saved, '\0', 8);
+
+ einit(Emouse);
+ resize(screen);
+ redraw(screen);
+
+ for(;;m = emouse()){+ if(m.buttons & 1){+ for (i = 0; i < 8; i++) {+ if (ptinrect(m.xy, buttons[i][0]))
+ save(i);
+ if (ptinrect(m.xy, buttons[i][1]))
+ restore(i);
+ }
+ redraw(screen);
+ }
+ }
+}