1 files changed, 10 insertions(+), 4 deletions(-)

M nasu.c

@@ 290,13 290,19 @@ domouse(SDL_Event* event, Brush* b)
 		update(b);
 		break;
 	case SDL_MOUSEBUTTONDOWN:
-		if(event->button.button == SDL_BUTTON_LEFT) {
+		if(event->button.button == SDL_BUTTON_LEFT)
 			b->down = 1;
-			b->px = (event->motion.x - (PAD * ZOOM)) / ZOOM;
-			b->py = (event->motion.y - (PAD * ZOOM)) / ZOOM;
-		}
 		if(event->button.button == SDL_BUTTON_RIGHT)
 			b->erase = 1;
+		if(event->button.button == SDL_BUTTON_MIDDLE) {
+			b->erase = 0;
+			b->x = (event->motion.x - (PAD * ZOOM)) / ZOOM;
+			b->y = (event->motion.y - (PAD * ZOOM)) / ZOOM;
+			line(b->px, b->py, b->x, b->y, b->erase ? 0 : b->color);
+			draw(pixels);
+		}
+		b->px = (event->motion.x - (PAD * ZOOM)) / ZOOM;
+		b->py = (event->motion.y - (PAD * ZOOM)) / ZOOM;
 	case SDL_MOUSEMOTION:
 		if(b->down) {
 			b->x = (event->motion.x - (PAD * ZOOM)) / ZOOM;