inventorywindow.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "gui/windows/inventorywindow.h"
 
#include "configuration.h"
 
#include "being/playerinfo.h"
 
#include "const/sound.h"
 
#include "enums/gui/layouttype.h"
 
#include "input/inputmanager.h"
 
#include "gui/gui.h"
 
#include "gui/fonts/font.h"
 
#include "gui/models/sortlistmodelinv.h"
 
#include "gui/popups/itempopup.h"
#include "gui/popups/popupmenu.h"
#include "gui/popups/textpopup.h"
 
#include "gui/windows/confirmdialog.h"
#include "gui/windows/itemamountwindow.h"
#include "gui/windows/npcdialog.h"
#include "gui/windows/setupwindow.h"
#include "gui/windows/tradewindow.h"
 
#include "gui/widgets/button.h"
#include "gui/widgets/createwidget.h"
#include "gui/widgets/containerplacer.h"
#include "gui/widgets/dropdown.h"
#include "gui/widgets/itemcontainer.h"
#include "gui/widgets/layout.h"
#include "gui/widgets/progressbar.h"
#include "gui/widgets/scrollarea.h"
#include "gui/widgets/tabstrip.h"
#include "gui/widgets/textfield.h"
#include "gui/widgets/windowcontainer.h"
 
#include "listeners/insertcardlistener.h"
 
#include "net/npchandler.h"
 
#include "resources/iteminfo.h"
 
#include "resources/db/unitsdb.h"
 
#include "resources/item/item.h"
 
#include "utils/delete2.h"
#include "utils/foreach.h"
 
#include "debug.h"
 
InventoryWindow *inventoryWindow = nullptr;
InventoryWindow *storageWindow = nullptr;
InventoryWindow *cartWindow = nullptr;
InventoryWindow::WindowList InventoryWindow::invInstances;
InsertCardListener insertCardListener;
 
InventoryWindow::InventoryWindow(Inventory *const inventory) :
 Window("Inventory", Modal_false, nullptr, "inventory.xml"),
 ActionListener(),
 KeyListener(),
 SelectionListener(),
 InventoryListener(),
 AttributeListener(),
 mInventory(inventory),
 mItems(new ItemContainer(this, mInventory, 100000,
 ShowEmptyRows_false, ForceQuantity_false)),
 mUseButton(nullptr),
 mDropButton(nullptr),
 mOutfitButton(nullptr),
 mShopButton(nullptr),
 mCartButton(nullptr),
 mEquipmentButton(nullptr),
 mStoreButton(nullptr),
 mRetrieveButton(nullptr),
 mInvCloseButton(nullptr),
 mWeightBar(nullptr),
 mSlotsBar(new ProgressBar(this, 0.0F, 100, 0,
 ProgressColorId::PROG_INVY_SLOTS,
 "slotsprogressbar.xml", "slotsprogressbar_fill.xml")),
 mFilter(nullptr),
 mSortModel(new SortListModelInv),
 mSortDropDown(new DropDown(this, mSortModel, false,
 Modal_false, this, "sort")),
 mNameFilter(new TextField(this, "", LoseFocusOnTab_true,
 this, "namefilter", true)),
 mSortDropDownCell(nullptr),
 mNameFilterCell(nullptr),
 mFilterCell(nullptr),
 mSlotsBarCell(nullptr),
 mSplit(false),
 mCompactMode(false)
{
 mSlotsBar->setColor(getThemeColor(ThemeColorId::SLOTS_BAR, 255U),
 getThemeColor(ThemeColorId::SLOTS_BAR_OUTLINE, 255U));
 
 if (inventory != nullptr)
 {
 setCaption(gettext(inventory->getName().c_str()));
 setWindowName(inventory->getName());
 switch (inventory->getType())
 {
 case InventoryType::Inventory:
 case InventoryType::Trade:
 case InventoryType::Npc:
 case InventoryType::Vending:
 case InventoryType::MailEdit:
 case InventoryType::MailView:
 case InventoryType::Craft:
 case InventoryType::TypeEnd:
 default:
 mSortDropDown->setSelected(config.getIntValue(
 "inventorySortOrder"));
 break;
 case InventoryType::Storage:
 mSortDropDown->setSelected(config.getIntValue(
 "storageSortOrder"));
 break;
 case InventoryType::Cart:
 mSortDropDown->setSelected(config.getIntValue(
 "cartSortOrder"));
 break;
 }
 }
 else
 {
 // TRANSLATORS: inventory window name
 setCaption(_("Inventory"));
 setWindowName("Inventory");
 mSortDropDown->setSelected(0);
 }
 
 if ((setupWindow != nullptr) &&
 (inventory != nullptr) &&
 inventory->getType() != InventoryType::Storage)
 {
 setupWindow->registerWindowForReset(this);
 }
 
 setResizable(true);
 setCloseButton(true);
 setSaveVisible(true);
 setStickyButtonLock(true);
 
 if (mainGraphics->mWidth > 600)
 setDefaultSize(450, 310, ImagePosition::CENTER, 0, 0);
 else
 setDefaultSize(387, 307, ImagePosition::CENTER, 0, 0);
 setMinWidth(310);
 setMinHeight(179);
 addKeyListener(this);
 
 mItems->addSelectionListener(this);
 
 const int size = config.getIntValue("fontSize");
 mFilter = new TabStrip(this, "filter_" + getWindowName(), size + 16, 0);
 mFilter->addActionListener(this);
 mFilter->setActionEventId("tag_");
 mFilter->setSelectable(false);
 
 StringVect tags = ItemDB::getTags();
 const size_t sz = tags.size();
 for (size_t f = 0; f < sz; f ++)
 mFilter->addButton(tags[f], tags[f], false);
 
 if (mInventory == nullptr)
 {
 invInstances.push_back(this);
 return;
 }
 
 ScrollArea *const invenScroll = new ScrollArea(this, mItems,
 fromBool(getOptionBool("showbackground", false), Opaque),
 "inventory_background.xml");
 invenScroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
 switch (mInventory->getType())
 {
 case InventoryType::Inventory:
 {
 // TRANSLATORS: inventory button
 const std::string equip = _("Equip");
 // TRANSLATORS: inventory button
 const std::string use = _("Use");
 // TRANSLATORS: inventory button
 const std::string unequip = _("Unequip");
 
 std::string longestUseString = getFont()->getWidth(equip) >
 getFont()->getWidth(use) ? equip : use;
 
 if (getFont()->getWidth(longestUseString) <
 getFont()->getWidth(unequip))
 {
 longestUseString = unequip;
 }
 
 mUseButton = new Button(this,
 longestUseString,
 "use",
 BUTTON_SKIN,
 this);
 mDropButton = new Button(this,
 // TRANSLATORS: inventory button
 _("Drop..."),
 "drop",
 BUTTON_SKIN,
 this);
 mOutfitButton = new Button(this,
 // TRANSLATORS: inventory outfits button
 _("O"),
 "outfit",
 BUTTON_SKIN,
 this);
 mCartButton = new Button(this,
 // TRANSLATORS: inventory cart button
 _("C"),
 "cart",
 BUTTON_SKIN,
 this);
 mShopButton = new Button(this,
 // TRANSLATORS: inventory shop button
 _("S"),
 "shop",
 BUTTON_SKIN,
 this);
 mEquipmentButton = new Button(this,
 // TRANSLATORS: inventory equipment button
 _("E"),
 "equipment",
 BUTTON_SKIN,
 this);
 mWeightBar = new ProgressBar(this, 0.0F, 100, 0,
 ProgressColorId::PROG_WEIGHT,
 "weightprogressbar.xml", "weightprogressbar_fill.xml");
 mWeightBar->setColor(getThemeColor(ThemeColorId::WEIGHT_BAR, 255U),
 getThemeColor(ThemeColorId::WEIGHT_BAR_OUTLINE, 255U));
 
 // TRANSLATORS: outfits button tooltip
 mOutfitButton->setDescription(_("Outfits"));
 // TRANSLATORS: cart button tooltip
 mCartButton->setDescription(_("Cart"));
 // TRANSLATORS: shop button tooltip
 mShopButton->setDescription(_("Shop"));
 // TRANSLATORS: equipment button tooltip
 mEquipmentButton->setDescription(_("Equipment"));
 
 place(0, 0, mWeightBar, 4, 1);
 mSlotsBarCell = &place(4, 0, mSlotsBar, 4, 1);
 mSortDropDownCell = &place(8, 0, mSortDropDown, 3, 1);
 
 mFilterCell = &place(0, 1, mFilter, 10, 1).setPadding(3);
 mNameFilterCell = &place(8, 1, mNameFilter, 3, 1);
 
 place(0, 2, invenScroll, 11, 1).setPadding(3);
 place(0, 3, mUseButton, 1, 1);
 place(1, 3, mDropButton, 1, 1);
 ContainerPlacer placer = getPlacer(10, 3);
 placer(0, 0, mShopButton, 1, 1);
 placer(1, 0, mOutfitButton, 1, 1);
 placer(2, 0, mCartButton, 1, 1);
 placer(3, 0, mEquipmentButton, 1, 1);
 
 updateWeight();
 break;
 }
 
 case InventoryType::Storage:
 {
 mStoreButton = new Button(this,
 // TRANSLATORS: storage button
 _("Store"),
 "store",
 BUTTON_SKIN,
 this);
 mRetrieveButton = new Button(this,
 // TRANSLATORS: storage button
 _("Retrieve"),
 "retrieve",
 BUTTON_SKIN,
 this);
 mInvCloseButton = new Button(this,
 // TRANSLATORS: storage button
 _("Close"),
 "close",
 BUTTON_SKIN,
 this);
 
 mSlotsBarCell = &place(0, 0, mSlotsBar, 6, 1);
 mSortDropDownCell = &place(6, 0, mSortDropDown, 1, 1);
 
 mFilterCell = &place(0, 1, mFilter, 7, 1).setPadding(3);
 mNameFilterCell = &place(6, 1, mNameFilter, 1, 1);
 
 place(0, 2, invenScroll, 7, 4);
 place(0, 6, mStoreButton, 1, 1);
 place(1, 6, mRetrieveButton, 1, 1);
 place(6, 6, mInvCloseButton, 1, 1);
 break;
 }
 
 case InventoryType::Cart:
 {
 mStoreButton = new Button(this,
 // TRANSLATORS: storage button
 _("Store"),
 "store",
 BUTTON_SKIN,
 this);
 mRetrieveButton = new Button(this,
 // TRANSLATORS: storage button
 _("Retrieve"),
 "retrieve",
 BUTTON_SKIN,
 this);
 mInvCloseButton = new Button(this,
 // TRANSLATORS: storage button
 _("Close"),
 "close",
 BUTTON_SKIN,
 this);
 
 mWeightBar = new ProgressBar(this, 0.0F, 100, 0,
 ProgressColorId::PROG_WEIGHT,
 "weightprogressbar.xml", "weightprogressbar_fill.xml");
 mWeightBar->setColor(getThemeColor(ThemeColorId::WEIGHT_BAR, 255U),
 getThemeColor(ThemeColorId::WEIGHT_BAR_OUTLINE, 255U));
 
 mSlotsBarCell = &place(3, 0, mSlotsBar, 3, 1);
 mSortDropDownCell = &place(6, 0, mSortDropDown, 1, 1);
 
 mFilterCell = &place(0, 1, mFilter, 7, 1).setPadding(3);
 mNameFilterCell = &place(6, 1, mNameFilter, 1, 1);
 
 place(0, 0, mWeightBar, 3, 1);
 place(0, 2, invenScroll, 7, 4);
 place(0, 6, mStoreButton, 1, 1);
 place(1, 6, mRetrieveButton, 1, 1);
 place(6, 6, mInvCloseButton, 1, 1);
 break;
 }
 
 default:
 case InventoryType::Trade:
 case InventoryType::Npc:
 case InventoryType::Vending:
 case InventoryType::MailEdit:
 case InventoryType::MailView:
 case InventoryType::Craft:
 case InventoryType::TypeEnd:
 break;
 }
 
 Layout &layout = getLayout();
 layout.setRowHeight(2, LayoutType::SET);
 
 mInventory->addInventoyListener(this);
 
 invInstances.push_back(this);
 
 if (inventory->isMainInventory())
 {
 updateDropButton();
 }
 else
 {
 if (!invInstances.empty())
 invInstances.front()->updateDropButton();
 }
 
 loadWindowState();
 enableVisibleSound(true);
}
 
void InventoryWindow::postInit()
{
 Window::postInit();
 slotsChanged(mInventory);
 
 mItems->setSortType(mSortDropDown->getSelected());
 widgetResized(Event(nullptr));
 if (mInventory != nullptr &&
 mInventory->getType() == InventoryType::Storage)
 {
 setVisible(Visible_true);
 }
}
 
InventoryWindow::~InventoryWindow()
{
 invInstances.remove(this);
 if (mInventory != nullptr)
 mInventory->removeInventoyListener(this);
 if (!invInstances.empty())
 invInstances.front()->updateDropButton();
 
 mSortDropDown->hideDrop(false);
 delete2(mSortModel)
}
 
void InventoryWindow::storeSortOrder() const
{
 if (mInventory != nullptr)
 {
 switch (mInventory->getType())
 {
 case InventoryType::Inventory:
 case InventoryType::Trade:
 case InventoryType::Npc:
 case InventoryType::Vending:
 case InventoryType::MailEdit:
 case InventoryType::MailView:
 case InventoryType::Craft:
 case InventoryType::TypeEnd:
 default:
 config.setValue("inventorySortOrder",
 mSortDropDown->getSelected());
 break;
 case InventoryType::Storage:
 config.setValue("storageSortOrder",
 mSortDropDown->getSelected());
 break;
 case InventoryType::Cart:
 config.setValue("cartSortOrder",
 mSortDropDown->getSelected());
 break;
 }
 }
}
 
void InventoryWindow::action(const ActionEvent &event)
{
 const std::string &eventId = event.getId();
 if (eventId == "outfit")
 {
 inputManager.executeAction(InputAction::WINDOW_OUTFIT);
 }
 else if (eventId == "shop")
 {
 inputManager.executeAction(InputAction::WINDOW_SHOP);
 }
 else if (eventId == "equipment")
 {
 inputManager.executeAction(InputAction::WINDOW_EQUIPMENT);
 }
 else if (eventId == "cart")
 {
 inputManager.executeAction(InputAction::WINDOW_CART);
 }
 else if (eventId == "close")
 {
 close();
 }
 else if (eventId == "store")
 {
 if (inventoryWindow == nullptr || !inventoryWindow->isWindowVisible())
 return;
 
 Item *const item = inventoryWindow->getSelectedItem();
 
 if (item == nullptr)
 return;
 
 if (storageWindow != nullptr)
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::StoreAdd,
 this,
 item,
 0,
 0);
 }
 else if ((cartWindow != nullptr) && cartWindow->isWindowVisible())
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::CartAdd,
 this,
 item,
 0,
 0);
 }
 }
 else if (eventId == "sort")
 {
 mItems->setSortType(mSortDropDown->getSelected());
 storeSortOrder();
 return;
 }
 else if (eventId == "namefilter")
 {
 mItems->setName(mNameFilter->getText());
 mItems->updateMatrix();
 }
 else if (eventId.find("tag_") == 0U)
 {
 std::string tagName = event.getId().substr(4);
 mItems->setFilter(ItemDB::getTagId(tagName));
 return;
 }
 
 Item *const item = mItems->getSelectedItem();
 
 if (item == nullptr)
 return;
 
 if (eventId == "use")
 {
 PlayerInfo::useEquipItem(item, 0, Sfx_true);
 }
 if (eventId == "equip")
 {
 PlayerInfo::useEquipItem2(item, 0, Sfx_true);
 }
 else if (eventId == "drop")
 {
 if (isStorageActive())
 {
 inventoryHandler->moveItem2(InventoryType::Inventory,
 item->getInvIndex(),
 item->getQuantity(),
 InventoryType::Storage);
 }
 else if ((cartWindow != nullptr) && cartWindow->isWindowVisible())
 {
 inventoryHandler->moveItem2(InventoryType::Inventory,
 item->getInvIndex(),
 item->getQuantity(),
 InventoryType::Cart);
 }
 else
 {
 if (PlayerInfo::isItemProtected(item->getId()))
 return;
 
 if (inputManager.isActionActive(InputAction::STOP_ATTACK))
 {
 PlayerInfo::dropItem(item, item->getQuantity(), Sfx_true);
 }
 else
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::ItemDrop,
 this,
 item,
 0,
 0);
 }
 }
 }
 else if (eventId == "split")
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::ItemSplit,
 this,
 item,
 item->getQuantity() - 1,
 9);
 }
 else if (eventId == "retrieve")
 {
 if (storageWindow != nullptr)
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::StoreRemove,
 this,
 item,
 0,
 0);
 }
 else if ((cartWindow != nullptr) && cartWindow->isWindowVisible())
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::CartRemove,
 this,
 item,
 0,
 0);
 }
 }
}
 
Item *InventoryWindow::getSelectedItem() const
{
 return mItems->getSelectedItem();
}
 
void InventoryWindow::unselectItem()
{
 mItems->selectNone();
}
 
void InventoryWindow::widgetHidden(const Event &event)
{
 Window::widgetHidden(event);
 if (itemPopup != nullptr)
 itemPopup->setVisible(Visible_false);
}
 
void InventoryWindow::mouseClicked(MouseEvent &event)
{
 Window::mouseClicked(event);
 
 const int clicks = event.getClickCount();
 
 if (clicks == 2 && (gui != nullptr))
 gui->resetClickCount();
 
 const bool mod = (isStorageActive() &&
 inputManager.isActionActive(InputAction::STOP_ATTACK));
 
 const bool mod2 = (tradeWindow != nullptr &&
 tradeWindow->isWindowVisible() &&
 inputManager.isActionActive(InputAction::STOP_ATTACK));
 
 if (mInventory != nullptr)
 {
 if (!mod && !mod2 && event.getButton() == MouseButton::RIGHT)
 {
 Item *const item = mItems->getSelectedItem();
 
 if (item == nullptr)
 return;
 
 /* Convert relative to the window coordinates to absolute screen
 * coordinates.
 */
 if (popupMenu != nullptr)
 {
 const int mx = event.getX() + getX();
 const int my = event.getY() + getY();
 
 popupMenu->showPopup(this,
 mx, my,
 item,
 mInventory->getType());
 }
 }
 }
 else
 {
 return;
 }
 
 if (event.getButton() == MouseButton::LEFT ||
 event.getButton() == MouseButton::RIGHT)
 {
 Item *const item = mItems->getSelectedItem();
 
 if (item == nullptr)
 return;
 
 if (mod)
 {
 if (mInventory->isMainInventory())
 {
 if (event.getButton() == MouseButton::RIGHT)
 {
 ItemAmountWindow::showWindow(
 ItemAmountWindowUsage::StoreAdd,
 inventoryWindow,
 item,
 0,
 0);
 }
 else
 {
 inventoryHandler->moveItem2(InventoryType::Inventory,
 item->getInvIndex(),
 item->getQuantity(),
 InventoryType::Storage);
 }
 }
 else
 {
 if (event.getButton() == MouseButton::RIGHT)
 {
 ItemAmountWindow::showWindow(
 ItemAmountWindowUsage::StoreRemove,
 inventoryWindow,
 item,
 0,
 0);
 }
 else
 {
 inventoryHandler->moveItem2(InventoryType::Storage,
 item->getInvIndex(),
 item->getQuantity(),
 InventoryType::Inventory);
 }
 }
 }
 else if (mod2 && mInventory->isMainInventory())
 {
 if (PlayerInfo::isItemProtected(item->getId()))
 return;
 if (event.getButton() == MouseButton::RIGHT)
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::TradeAdd,
 tradeWindow,
 item,
 0,
 0);
 }
 else
 {
 if (tradeWindow != nullptr)
 tradeWindow->tradeItem(item, item->getQuantity(), true);
 }
 }
 else if (clicks == 2)
 {
 if (mInventory->isMainInventory())
 {
 if (isStorageActive())
 {
 ItemAmountWindow::showWindow(
 ItemAmountWindowUsage::StoreAdd,
 inventoryWindow,
 item,
 0,
 0);
 }
 else if (tradeWindow != nullptr &&
 tradeWindow->isWindowVisible())
 {
 if (PlayerInfo::isItemProtected(item->getId()))
 return;
 ItemAmountWindow::showWindow(
 ItemAmountWindowUsage::TradeAdd,
 tradeWindow,
 item,
 0,
 0);
 }
 else
 {
 PlayerInfo::useEquipItem(item, 0, Sfx_true);
 }
 }
 else
 {
 if (isStorageActive())
 {
 ItemAmountWindow::showWindow(
 ItemAmountWindowUsage::StoreRemove,
 inventoryWindow,
 item,
 0,
 0);
 }
 }
 }
 }
}
 
void InventoryWindow::mouseMoved(MouseEvent &event)
{
 Window::mouseMoved(event);
 if (textPopup == nullptr)
 return;
 
 const Widget *const src = event.getSource();
 if (src == nullptr)
 {
 textPopup->hide();
 return;
 }
 const int x = event.getX();
 const int y = event.getY();
 const Rect &rect = mDimension;
 if (src == mSlotsBar || src == mWeightBar)
 {
 // TRANSLATORS: money label
 textPopup->show(rect.x + x, rect.y + y, strprintf(_("Money: %s"),
 UnitsDb::formatCurrency(PlayerInfo::getAttribute(
 Attributes::MONEY)).c_str()));
 }
 else
 {
 const Button *const btn = dynamic_cast<const Button *>(src);
 if (btn == nullptr)
 {
 textPopup->hide();
 return;
 }
 const std::string text = btn->getDescription();
 if (!text.empty())
 textPopup->show(x + rect.x, y + rect.y, text);
 }
}
 
void InventoryWindow::mouseExited(MouseEvent &event A_UNUSED)
{
 textPopup->hide();
}
 
void InventoryWindow::keyPressed(KeyEvent &event)
{
 if (event.getActionId() == InputAction::GUI_MOD)
 mSplit = true;
}
 
void InventoryWindow::keyReleased(KeyEvent &event)
{
 if (event.getActionId() == InputAction::GUI_MOD)
 mSplit = false;
}
 
void InventoryWindow::valueChanged(const SelectionEvent &event A_UNUSED)
{
 if ((mInventory == nullptr) || !mInventory->isMainInventory())
 return;
 
 Item *const item = mItems->getSelectedItem();
 
 if (mSplit && (item != nullptr) && inventoryHandler->
 canSplit(mItems->getSelectedItem()))
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::ItemSplit,
 this,
 item,
 item->getQuantity() - 1,
 0);
 }
 updateButtons(item);
}
 
void InventoryWindow::updateButtons(const Item *item)
{
 if ((mInventory == nullptr) || !mInventory->isMainInventory())
 return;
 
 const Item *const selectedItem = mItems->getSelectedItem();
 if ((item != nullptr) && selectedItem != item)
 return;
 
 if (item == nullptr)
 item = selectedItem;
 
 if ((item == nullptr) || item->getQuantity() == 0)
 {
 if (mUseButton != nullptr)
 mUseButton->setEnabled(false);
 if (mDropButton != nullptr)
 mDropButton->setEnabled(false);
 return;
 }
 
 if (mDropButton != nullptr)
 mDropButton->setEnabled(true);
 
 if (mUseButton != nullptr)
 {
 const ItemInfo &info = item->getInfo();
 const std::string &str = (item->isEquipment() == Equipm_true
 && item->isEquipped() == Equipped_true)
 ? info.getUseButton2() : info.getUseButton();
 if (str.empty())
 {
 mUseButton->setEnabled(false);
 // TRANSLATORS: default use button name
 mUseButton->setCaption(_("Use"));
 }
 else
 {
 mUseButton->setEnabled(true);
 mUseButton->setCaption(str);
 }
 }
 
 updateDropButton();
}
 
void InventoryWindow::close()
{
 if (mInventory == nullptr)
 {
 Window::close();
 return;
 }
 
 switch (mInventory->getType())
 {
 case InventoryType::Inventory:
 case InventoryType::Cart:
 setVisible(Visible_false);
 break;
 
 case InventoryType::Storage:
 if (inventoryHandler != nullptr)
 {
 inventoryHandler->closeStorage();
 inventoryHandler->forgotStorage();
 }
 scheduleDelete();
 break;
 
 default:
 case InventoryType::Trade:
 case InventoryType::Npc:
 case InventoryType::Vending:
 case InventoryType::MailEdit:
 case InventoryType::MailView:
 case InventoryType::Craft:
 case InventoryType::TypeEnd:
 break;
 }
}
 
void InventoryWindow::updateWeight()
{
 if ((mInventory == nullptr) || (mWeightBar == nullptr))
 return;
 const InventoryTypeT type = mInventory->getType();
 if (type != InventoryType::Inventory &&
 type != InventoryType::Cart)
 {
 return;
 }
 
 const bool isInv = type == InventoryType::Inventory;
 const int total = PlayerInfo::getAttribute(isInv
 ? Attributes::TOTAL_WEIGHT : Attributes::CART_TOTAL_WEIGHT);
 const int max = PlayerInfo::getAttribute(isInv
 ? Attributes::MAX_WEIGHT : Attributes::CART_MAX_WEIGHT);
 
 if (max <= 0)
 return;
 
 // Adjust progress bar
 mWeightBar->setProgress(static_cast<float>(total)
 / static_cast<float>(max));
 mWeightBar->setText(strprintf("%s/%s",
 UnitsDb::formatWeight(total).c_str(),
 UnitsDb::formatWeight(max).c_str()));
}
 
void InventoryWindow::slotsChanged(const Inventory *const inventory)
{
 if (inventory == mInventory)
 {
 const int usedSlots = mInventory->getNumberOfSlotsUsed();
 const int maxSlots = mInventory->getSize();
 
 if (maxSlots != 0)
 {
 mSlotsBar->setProgress(static_cast<float>(usedSlots)
 / static_cast<float>(maxSlots));
 }
 
 mSlotsBar->setText(strprintf("%d/%d", usedSlots, maxSlots));
 mItems->updateMatrix();
 }
}
 
void InventoryWindow::updateDropButton()
{
 if (mDropButton == nullptr)
 return;
 
 if (isStorageActive() ||
 (cartWindow != nullptr && cartWindow->isWindowVisible()))
 {
 // TRANSLATORS: inventory button
 mDropButton->setCaption(_("Store"));
 }
 else
 {
 const Item *const item = mItems->getSelectedItem();
 if ((item != nullptr) && item->getQuantity() > 1)
 {
 // TRANSLATORS: inventory button
 mDropButton->setCaption(_("Drop..."));
 }
 else
 {
 // TRANSLATORS: inventory button
 mDropButton->setCaption(_("Drop"));
 }
 }
}
 
bool InventoryWindow::isInputFocused() const
{
 return (mNameFilter != nullptr) && mNameFilter->isFocused();
}
 
bool InventoryWindow::isAnyInputFocused()
{
 FOR_EACH (WindowList::const_iterator, it, invInstances)
 {
 if (((*it) != nullptr) && (*it)->isInputFocused())
 return true;
 }
 return false;
}
 
InventoryWindow *InventoryWindow::getFirstVisible()
{
 std::set<Widget*> list;
 FOR_EACH (WindowList::const_iterator, it, invInstances)
 {
 if (((*it) != nullptr) && (*it)->isWindowVisible())
 list.insert(*it);
 }
 return dynamic_cast<InventoryWindow*>(
 windowContainer->findFirstWidget(list));
}
 
void InventoryWindow::nextTab()
{
 const InventoryWindow *const window = getFirstVisible();
 if (window != nullptr)
 window->mFilter->nextTab();
}
 
void InventoryWindow::prevTab()
{
 const InventoryWindow *const window = getFirstVisible();
 if (window != nullptr)
 window->mFilter->prevTab();
}
 
void InventoryWindow::widgetResized(const Event &event)
{
 Window::widgetResized(event);
 
 if (mInventory == nullptr)
 return;
 const InventoryTypeT type = mInventory->getType();
 if (type != InventoryType::Inventory &&
 type != InventoryType::Cart)
 {
 return;
 }
 
 if (getWidth() < 600)
 {
 if (!mCompactMode)
 {
 mNameFilter->setVisible(Visible_false);
 mNameFilterCell->setType(LayoutCell::NONE);
 mFilterCell->setWidth(mFilterCell->getWidth() + 3);
 mCompactMode = true;
 }
 }
 else if (mCompactMode)
 {
 mNameFilter->setVisible(Visible_true);
 mNameFilterCell->setType(LayoutCell::WIDGET);
 mFilterCell->setWidth(mFilterCell->getWidth() - 3);
 mCompactMode = false;
 }
}
 
void InventoryWindow::setVisible(Visible visible)
{
 if (visible == Visible_false)
 mSortDropDown->hideDrop(true);
 Window::setVisible(visible);
}
 
void InventoryWindow::unsetInventory()
{
 if (mInventory != nullptr)
 {
 mInventory->removeInventoyListener(this);
 if (mItems != nullptr)
 mItems->unsetInventory();
 }
 mInventory = nullptr;
}
 
void InventoryWindow::attributeChanged(const AttributesT id,
 const int64_t oldVal A_UNUSED,
 const int64_t newVal A_UNUSED)
{
 if (id == Attributes::TOTAL_WEIGHT
 || id == Attributes::MAX_WEIGHT
 || id == Attributes::CART_TOTAL_WEIGHT
 || id == Attributes::CART_MAX_WEIGHT)
 {
 updateWeight();
 }
}
 
void InventoryWindow::combineItems(const int index1,
 const int index2)
{
 if (mInventory == nullptr)
 return;
 const Item *item1 = mInventory->getItem(index1);
 if (item1 == nullptr)
 return;
 const Item *item2 = mInventory->getItem(index2);
 if (item2 == nullptr)
 return;
 
 if (item1->getType() != ItemType::Card)
 {
 const Item *tmpItem = item1;
 item1 = item2;
 item2 = tmpItem;
 }
 
 ConfirmDialog *const confirmDlg = CREATEWIDGETR(ConfirmDialog,
 // TRANSLATORS: question dialog title
 _("Insert card request"),
 // TRANSLATORS: question dialog message
 strprintf(_("Insert %s into %s?"),
 item1->getName().c_str(),
 item2->getName().c_str()),
 SOUND_REQUEST,
 false,
 Modal_true,
 nullptr);
 insertCardListener.itemIndex = item2->getInvIndex();
 insertCardListener.cardIndex = item1->getInvIndex();
 confirmDlg->addActionListener(&insertCardListener);
}
 
void InventoryWindow::moveItemToCraft(const int craftSlot)
{
 if (npcHandler == nullptr)
 return;
 
 Item *const item = mItems->getSelectedItem();
 if (item == nullptr)
 return;
 
 NpcDialog *const dialog = npcHandler->getCurrentNpcDialog();
 if ((dialog != nullptr) &&
 dialog->getInputState() == NpcInputState::ITEM_CRAFT)
 {
 if (item->getQuantity() > 1
 && !inputManager.isActionActive(InputAction::STOP_ATTACK))
 {
 ItemAmountWindow::showWindow(ItemAmountWindowUsage::CraftAdd,
 npcHandler->getCurrentNpcDialog(),
 item,
 0,
 craftSlot);
 }
 else
 {
 dialog->addCraftItem(item, 1, craftSlot);
 }
 }
}