Class: Nuklear::Context::EventSink

Inherits:
Object
  • Object
show all
Defined in:
ext/nuklear/nkrb_context.c

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ Object 



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# File 'ext/nuklear/nkrb_context.c', line 96

VALUE rb_nkrb_event_sink_initialize(VALUE self, VALUE context) {
  rb_ivar_set(self, rb_intern("@context"), context);
  return self;
}

Instance Method Details

#button(buttons, rx, ry, down) ⇒ Object 



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# File 'ext/nuklear/nkrb_context.c', line 159

VALUE nkrb_event_sink_button(VALUE self, VALUE buttons, VALUE rx, VALUE ry, VALUE down) {
  VALUE_TO_NK(rb_ivar_get(self, rb_intern("@context")), ctx);
  ID buttons_id = SYM2ID(buttons);
  int is_down = RTEST(down) ? 1 : 0;
  int x = FIX2INT(rx), y = FIX2INT(ry);

  if (buttons_id == rb_intern("left"))   nk_input_button(ctx, NK_BUTTON_LEFT,   x, y, is_down);
  if (buttons_id == rb_intern("middle")) nk_input_button(ctx, NK_BUTTON_MIDDLE, x, y, is_down);
  if (buttons_id == rb_intern("right"))  nk_input_button(ctx, NK_BUTTON_RIGHT,  x, y, is_down);
  if (buttons_id == rb_intern("double")) nk_input_button(ctx, NK_BUTTON_DOUBLE, x, y, is_down);
  if (buttons_id == rb_intern("max"))    nk_input_button(ctx, NK_BUTTON_MAX,    x, y, is_down);

  return self;
}

#char(chr) ⇒ Object 



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# File 'ext/nuklear/nkrb_context.c', line 183

VALUE nkrb_event_sink_char(VALUE self, VALUE chr) {
  VALUE_TO_NK(rb_ivar_get(self, rb_intern("@context")), ctx);
  int ch = FIX2INT(rb_funcall(chr, rb_intern("ord"), 0));
  nk_input_char(ctx, ch);
  return self;
}

#glyph(chr) ⇒ Object 



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# File 'ext/nuklear/nkrb_context.c', line 190

VALUE nkrb_event_sink_glyph(VALUE self, VALUE chr) {
  VALUE_TO_NK(rb_ivar_get(self, rb_intern("@context")), ctx);
  nk_glyph glyph;
  int len = (int) RSTRING_LEN(chr);
  if (len < NK_UTF_SIZE) {
    if (len > 0) {
      int i;
      for (i = 0; i < len; i++) {
        int ch = FIX2INT(rb_funcall(rb_funcall(chr, rb_intern("[]"), 1, INT2FIX(i)),
                                    rb_intern("ord"), 0));
        nk_input_char(ctx, ch);
      }
    } else {
      rb_raise(rb_eArgError, "input is empty");
    }
  } else {
    memcpy(glyph, StringValuePtr(chr), NK_UTF_SIZE);
    nk_input_glyph(ctx, glyph);
  }
  return self;
}

#key(keys, down) ⇒ Object 



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# File 'ext/nuklear/nkrb_context.c', line 112

VALUE nkrb_event_sink_key(VALUE self, VALUE keys, VALUE down) {
  VALUE_TO_NK(rb_ivar_get(self, rb_intern("@context")), ctx);
  ID keys_id = SYM2ID(keys);
  int is_down = RTEST(down) ? 1 : 0;

  if (keys_id == rb_intern("shift"))          nk_input_key(ctx, NK_KEY_SHIFT, is_down);
  else if (keys_id == rb_intern("ctrl"))      nk_input_key(ctx, NK_KEY_CTRL, is_down);
  else if (keys_id == rb_intern("del"))       nk_input_key(ctx, NK_KEY_DEL, is_down);
  else if (keys_id == rb_intern("enter"))     nk_input_key(ctx, NK_KEY_ENTER, is_down);
  else if (keys_id == rb_intern("tab"))       nk_input_key(ctx, NK_KEY_TAB, is_down);
  else if (keys_id == rb_intern("backspace")) nk_input_key(ctx, NK_KEY_BACKSPACE, is_down);
  else if (keys_id == rb_intern("copy"))      nk_input_key(ctx, NK_KEY_COPY, is_down);
  else if (keys_id == rb_intern("cut"))       nk_input_key(ctx, NK_KEY_CUT, is_down);
  else if (keys_id == rb_intern("paste"))     nk_input_key(ctx, NK_KEY_PASTE, is_down);
  else if (keys_id == rb_intern("up"))        nk_input_key(ctx, NK_KEY_UP, is_down);
  else if (keys_id == rb_intern("down"))      nk_input_key(ctx, NK_KEY_DOWN, is_down);
  else if (keys_id == rb_intern("left"))      nk_input_key(ctx, NK_KEY_LEFT, is_down);
  else if (keys_id == rb_intern("right"))     nk_input_key(ctx, NK_KEY_RIGHT, is_down);

  /* Shortcuts: text field */
  else if (keys_id == rb_intern("text_insert_mode"))  nk_input_key(ctx, NK_KEY_TEXT_INSERT_MODE, is_down);
  else if (keys_id == rb_intern("text_replace_mode")) nk_input_key(ctx, NK_KEY_TEXT_REPLACE_MODE, is_down);
  else if (keys_id == rb_intern("text_reset_mode"))   nk_input_key(ctx, NK_KEY_TEXT_RESET_MODE, is_down);
  else if (keys_id == rb_intern("text_line_start"))   nk_input_key(ctx, NK_KEY_TEXT_LINE_START, is_down);
  else if (keys_id == rb_intern("text_line_end"))     nk_input_key(ctx, NK_KEY_TEXT_LINE_END, is_down);
  else if (keys_id == rb_intern("text_start"))        nk_input_key(ctx, NK_KEY_TEXT_START, is_down);
  else if (keys_id == rb_intern("text_end"))          nk_input_key(ctx, NK_KEY_TEXT_END, is_down);
  else if (keys_id == rb_intern("text_undo"))         nk_input_key(ctx, NK_KEY_TEXT_UNDO, is_down);
  else if (keys_id == rb_intern("text_redo"))         nk_input_key(ctx, NK_KEY_TEXT_REDO, is_down);
  else if (keys_id == rb_intern("text_select_all"))   nk_input_key(ctx, NK_KEY_TEXT_SELECT_ALL, is_down);
  else if (keys_id == rb_intern("text_word_left"))    nk_input_key(ctx, NK_KEY_TEXT_WORD_LEFT, is_down);
  else if (keys_id == rb_intern("text_word_right"))   nk_input_key(ctx, NK_KEY_TEXT_WORD_RIGHT, is_down);

  /* Shortcuts: scrollbar */
  else if (keys_id == rb_intern("scroll_start")) nk_input_key(ctx, NK_KEY_SCROLL_START, is_down);
  else if (keys_id == rb_intern("scroll_end"))   nk_input_key(ctx, NK_KEY_SCROLL_END, is_down);
  else if (keys_id == rb_intern("scroll_down"))  nk_input_key(ctx, NK_KEY_SCROLL_DOWN, is_down);
  else if (keys_id == rb_intern("scroll_up"))    nk_input_key(ctx, NK_KEY_SCROLL_UP, is_down);
  else if (keys_id == rb_intern("max"))          nk_input_key(ctx, NK_KEY_MAX, is_down);
  else {
    VALUE s = rb_funcall(keys, rb_intern("inspect"), 0);
    rb_raise(rb_eArgError, "Invalid key symbol: %s", StringValueCStr(s));
  }

  return self;
}

#motion(rx, ry, rxrel, ryrel) ⇒ Object 



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# File 'ext/nuklear/nkrb_context.c', line 101

VALUE nkrb_event_sink_motion(VALUE self, VALUE rx, VALUE ry, VALUE rxrel, VALUE ryrel) {
  VALUE_TO_NK(rb_ivar_get(self, rb_intern("@context")), ctx);
  if (ctx->input.mouse.grabbed) {
    int x = (int) ctx->input.mouse.prev.x, y = (int) ctx->input.mouse.prev.y;
    nk_input_motion(ctx, x + FIX2INT(rxrel), y + FIX2INT(ryrel));
  } else {
    nk_input_motion(ctx, FIX2INT(rx), FIX2INT(ry));
  }
  return self;
}

#scroll(x, y) ⇒ Object 



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# File 'ext/nuklear/nkrb_context.c', line 174

VALUE nkrb_event_sink_scroll(VALUE self, VALUE x, VALUE y) {
  VALUE_TO_NK(rb_ivar_get(self, rb_intern("@context")), ctx);
  struct nk_vec2 vec;
  vec.x = (float) NUM2DBL(x);
  vec.y = (float) NUM2DBL(y);
  nk_input_scroll(ctx, vec);
  return self;
}