- sp->button_down_p = True;
- gltrackball_start (sp->trackball,
- event->xbutton.x, event->xbutton.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
- else if (event->xany.type == ButtonRelease &&
- event->xbutton.button == Button1)
- {
- sp->button_down_p = False;
- return True;
- }
- else if (event->xany.type == ButtonPress &&
- (event->xbutton.button == Button4 ||
- event->xbutton.button == Button5 ||
- event->xbutton.button == Button6 ||
- event->xbutton.button == Button7))
- {
- gltrackball_mousewheel (sp->trackball, event->xbutton.button, 5,
- !!event->xbutton.state);
- return True;
+ KeySym keysym;
+ char c = 0;
+ XLookupString (&event->xkey, &c, 1, &keysym, 0);
+ if (c == '+' || c == '=' ||
+ keysym == XK_Up || keysym == XK_Right || keysym == XK_Next)
+ {
+ sp->draw_tick = speed;
+ sp->current_depth += (sp->current_depth > 0 ? 1 : -1);
+ sp->current_depth--;
+ return True;
+ }
+ else if (c == '-' || c == '_' ||
+ keysym == XK_Down || keysym == XK_Left || keysym == XK_Prior)
+ {
+ sp->draw_tick = speed;
+ sp->current_depth -= (sp->current_depth > 0 ? 1 : -1);
+ sp->current_depth--;
+ return True;
+ }
+ else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
+ goto DEF;