C++ (Cpp) evdev_pointer_notify_button示例

示例#1

文件： evdev-mt-touchpad-tap.c 项目： bentiss/libinput

static void
tp_tap_notify(struct tp_dispatch *tp,
	      uint64_t time,
	      int nfingers,
	      enum libinput_button_state state)
{
	int32_t button;
	int32_t button_map[2][3] = {
		{ BTN_LEFT, BTN_RIGHT, BTN_MIDDLE },
		{ BTN_LEFT, BTN_MIDDLE, BTN_RIGHT },
	};

	assert(tp->tap.map < ARRAY_LENGTH(button_map));

	if (nfingers > 3)
		return;

	button = button_map[tp->tap.map][nfingers - 1];

	if (state == LIBINPUT_BUTTON_STATE_PRESSED)
		tp->tap.buttons_pressed |= (1 << nfingers);
	else
		tp->tap.buttons_pressed &= ~(1 << nfingers);

	evdev_pointer_notify_button(tp->device,
				    time,
				    button,
				    state);
}

示例#2

文件： evdev-mt-touchpad-tap.c 项目： kbingham/libinput

static void
tp_tap_notify(struct tp_dispatch *tp,
	      uint64_t time,
	      int nfingers,
	      enum libinput_button_state state)
{
	int32_t button;

	switch (nfingers) {
	case 1: button = BTN_LEFT; break;
	case 2: button = BTN_RIGHT; break;
	case 3: button = BTN_MIDDLE; break;
	default:
		return;
	}

	if (state == LIBINPUT_BUTTON_STATE_PRESSED)
		tp->tap.buttons_pressed |= (1 << nfingers);
	else
		tp->tap.buttons_pressed &= ~(1 << nfingers);

	evdev_pointer_notify_button(tp->device,
				    time,
				    button,
				    state);
}

示例#3

文件： evdev-middle-button.c 项目： Core2idiot/libinput-for-clickpads

static void
middlebutton_post_event(struct evdev_device *device,
			uint64_t now,
			int button,
			enum libinput_button_state state)
{
	evdev_pointer_notify_button(device,
				    now,
				    button,
				    state);
}