C++ LLScrollListItem::getUserdata方法代码示例

void LLPreviewGesture::initDefaultGesture()
{
	LLScrollListItem* item;
	item = addStep("Animation");
	LLGestureStepAnimation* anim = (LLGestureStepAnimation*)item->getUserdata();
	anim->mAnimAssetID = ANIM_AGENT_HELLO;
	anim->mAnimName = "Wave";
	updateLabel(item);

	item = addStep("Wait");
	LLGestureStepWait* wait = (LLGestureStepWait*)item->getUserdata();
	wait->mFlags = WAIT_FLAG_ALL_ANIM;
	updateLabel(item);

	item = addStep("Chat");
	LLGestureStepChat* chat_step = (LLGestureStepChat*)item->getUserdata();
	chat_step->mChatText = "Hello, avatar!";
	updateLabel(item);

	// Start with item list selected
	mStepList->selectFirstItem();

	// this is *new* content, so we are dirty
	mDirty = TRUE;
}

void LLFloaterNewIM::onStart(void* userdata)
{
	LLFloaterNewIM* self = (LLFloaterNewIM*) userdata;

	LLScrollListItem* item = self->mSelectionList->getFirstSelected();
	if(item)
	{
		const LLScrollListCell* cell = item->getColumn(0);
		std::string name(cell->getValue());

		// *NOTE: Do a live detrmination of what type of session it
		// should be. If we restrict the new im panel to online users,
		// then we can remove some of this code.
		EInstantMessage type;
		EInstantMessage* t = (EInstantMessage*)item->getUserdata();
		if(t) type = (*t);
		else type = LLIMMgr::defaultIMTypeForAgent(item->getUUID());
		gIMMgr->addSession(name, type, item->getUUID());

		make_ui_sound("UISndStartIM");
	}
	else
	{
		make_ui_sound("UISndInvalidOp");
	}
}

void* LLComboBox::getCurrentUserdata()
{
	LLScrollListItem* item = mList->getFirstSelected();
	if( item )
	{
		return item->getUserdata();
	}
	return NULL;
}

LLControlVariable* LLFloaterSettingsDebug::getControlVariable()
{
    LLScrollListItem* item = mSettingsScrollList->getFirstSelected();
    if (!item) return NULL;

    LLControlVariable* controlp = static_cast<LLControlVariable*>(item->getUserdata());

    return controlp ? controlp->getCOAActive() : NULL;
}

LLPreviewGesture::~LLPreviewGesture()
{
	// Userdata for all steps is a LLGestureStep we need to clean up
	std::vector<LLScrollListItem*> data_list = mStepList->getAllData();
	std::vector<LLScrollListItem*>::iterator data_itor;
	for (data_itor = data_list.begin(); data_itor != data_list.end(); ++data_itor)
	{
		LLScrollListItem* item = *data_itor;
		LLGestureStep* step = (LLGestureStep*)item->getUserdata();
		delete step;
		step = NULL;
	}
}

void LLPreviewGesture::onClickDelete()
{
	LLScrollListItem* item = mStepList->getFirstSelected();
	S32 selected_index = mStepList->getFirstSelectedIndex();
	if (item && selected_index >= 0)
	{
		LLGestureStep* step = (LLGestureStep*)item->getUserdata();
		delete step;

		mStepList->deleteSingleItem(selected_index);

		mDirty = TRUE;
		refresh();
	}
}

/*static*/
void LLNotificationChannelPanel::onClickNotificationReject(void* user_data)
{
	LLNotificationChannelPanel* self = (LLNotificationChannelPanel*)user_data;
	if (!self) return;
	LLScrollListItem* firstselected = self->getChild<LLScrollListCtrl>("notification_rejects_list")->getFirstSelected();
	llassert(firstselected);
	if (firstselected)
	{
		void* data = firstselected->getUserdata();
		if (data)
		{
			gFloaterView->getParentFloater(self)->addDependentFloater(new LLFloaterNotification((LLNotification*)data), TRUE);
		}
	}
}

// static
void LLPreviewGesture::onClickDelete(void* data)
{
	LLPreviewGesture* self = (LLPreviewGesture*)data;

	LLScrollListItem* item = self->mStepList->getFirstSelected();
	S32 selected_index = self->mStepList->getFirstSelectedIndex();
	if (item && selected_index >= 0)
	{
		LLGestureStep* step = (LLGestureStep*)item->getUserdata();
		delete step;
		step = NULL;

		self->mStepList->deleteSingleItem(selected_index);

		self->mDirty = TRUE;
		self->refresh();
	}
}

// virtual
BOOL LLPreviewGesture::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
										 EDragAndDropType cargo_type,
										 void* cargo_data,
										 EAcceptance* accept,
										 LLString& tooltip_msg)
{
	BOOL handled = TRUE;
	switch(cargo_type)
	{
	case DAD_ANIMATION:
	case DAD_SOUND:
		{
			// TODO: Don't allow this if you can't transfer the sound/animation

			// make a script step
			LLInventoryItem* item = (LLInventoryItem*)cargo_data;
			if (item
				&& gInventory.getItem(item->getUUID()))
			{
				LLPermissions perm = item->getPermissions();
				if (!((perm.getMaskBase() & PERM_ITEM_UNRESTRICTED) == PERM_ITEM_UNRESTRICTED))
				{
					*accept = ACCEPT_NO;
					if (tooltip_msg.empty())
					{
						tooltip_msg.assign("Only animations and sounds\n"
											"with unrestricted permissions\n"
											"can be added to a gesture.");
					}
					break;
				}
				else if (drop)
				{
					LLScrollListItem* line = NULL;
					if (cargo_type == DAD_ANIMATION)
					{
						line = addStep("Animation");
						LLGestureStepAnimation* anim = (LLGestureStepAnimation*)line->getUserdata();
						anim->mAnimAssetID = item->getAssetUUID();
						anim->mAnimName = item->getName();
					}
					else if (cargo_type == DAD_SOUND)
					{
						line = addStep("Sound");
						LLGestureStepSound* sound = (LLGestureStepSound*)line->getUserdata();
						sound->mSoundAssetID = item->getAssetUUID();
						sound->mSoundName = item->getName();
					}
					updateLabel(line);
					mDirty = TRUE;
					refresh();
				}
				*accept = ACCEPT_YES_COPY_MULTI;
			}
			else
			{
				// Not in user's inventory means it was in object inventory
				*accept = ACCEPT_NO;
			}
			break;
		}
	default:
		*accept = ACCEPT_NO;
		if (tooltip_msg.empty())
		{
			tooltip_msg.assign("Only animations and sounds\n"
								"can be added to a gesture.");
		}
		break;
	}
	return handled;
}

LLMultiGesture* LLPreviewGesture::createGesture()
{
	LLMultiGesture* gesture = new LLMultiGesture();

	gesture->mTrigger = mTriggerEditor->getText();
	gesture->mReplaceText = mReplaceEditor->getText();

	const std::string& modifier = mModifierCombo->getSimple();
	if (modifier == CTRL_LABEL)
	{
		gesture->mMask = MASK_CONTROL;
	}
	else if (modifier == SHIFT_LABEL)
	{
		gesture->mMask = MASK_SHIFT;
	}
	else
	{
		gesture->mMask = MASK_NONE;
	}

	if (mKeyCombo->getCurrentIndex() == 0)
	{
		gesture->mKey = KEY_NONE;
	}
	else
	{
		const std::string& key_string = mKeyCombo->getSimple();
		LLKeyboard::keyFromString(key_string, &(gesture->mKey));
	}

	std::vector<LLScrollListItem*> data_list = mStepList->getAllData();
	std::vector<LLScrollListItem*>::iterator data_itor;
	for (data_itor = data_list.begin(); data_itor != data_list.end(); ++data_itor)
	{
		LLScrollListItem* item = *data_itor;
		LLGestureStep* step = (LLGestureStep*)item->getUserdata();

		switch(step->getType())
		{
		case STEP_ANIMATION:
			{
				// Copy UI-generated step into actual gesture step
				LLGestureStepAnimation* anim_step = (LLGestureStepAnimation*)step;
				LLGestureStepAnimation* new_anim_step =
					new LLGestureStepAnimation(*anim_step);
				gesture->mSteps.push_back(new_anim_step);
				break;
			}
		case STEP_SOUND:
			{
				// Copy UI-generated step into actual gesture step
				LLGestureStepSound* sound_step = (LLGestureStepSound*)step;
				LLGestureStepSound* new_sound_step =
					new LLGestureStepSound(*sound_step);
				gesture->mSteps.push_back(new_sound_step);
				break;
			}
		case STEP_CHAT:
			{
				// Copy UI-generated step into actual gesture step
				LLGestureStepChat* chat_step = (LLGestureStepChat*)step;
				LLGestureStepChat* new_chat_step =
					new LLGestureStepChat(*chat_step);
				gesture->mSteps.push_back(new_chat_step);
				break;
			}
		case STEP_WAIT:
			{
				// Copy UI-generated step into actual gesture step
				LLGestureStepWait* wait_step = (LLGestureStepWait*)step;
				LLGestureStepWait* new_wait_step =
					new LLGestureStepWait(*wait_step);
				gesture->mSteps.push_back(new_wait_step);
				break;
			}
		default:
			{
				break;
			}
		}
	}

	return gesture;
}