/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "gui/itemcontainer.h"
#include "gui/chat.h"
#include "gui/itempopup.h"
#include "gui/palette.h"
#include "gui/sdlinput.h"
#include "gui/viewport.h"
#include "graphics.h"
#include "inventory.h"
#include "item.h"
#include "itemshortcut.h"
#include "localplayer.h"
#include "log.h"
#include "resources/image.h"
#include "resources/iteminfo.h"
#include "resources/resourcemanager.h"
#include "utils/stringutils.h"
#include <guichan/mouseinput.hpp>
#include <guichan/selectionlistener.hpp>
// TODO: Add support for adding items to the item shortcut window (global
// itemShortcut).
static const int BOX_WIDTH = 35;
static const int BOX_HEIGHT = 43;
ItemContainer::ItemContainer(Inventory *inventory, bool forceQuantity):
mInventory(inventory),
mGridColumns(1),
mGridRows(1),
mSelectedItem(NULL),
mHighlightedItem(NULL),
mSelectionStatus(SEL_NONE),
mForceQuantity(forceQuantity),
mSwapItems(false),
mDescItems(false)
{
mItemPopup = new ItemPopup;
setFocusable(true);
ResourceManager *resman = ResourceManager::getInstance();
mSelImg = resman->getImage("graphics/gui/selection.png");
if (!mSelImg)
logger->error("Unable to load selection.png");
addKeyListener(this);
addMouseListener(this);
addWidgetListener(this);
}
ItemContainer::~ItemContainer()
{
mSelImg->decRef();
delete mItemPopup;
}
void ItemContainer::draw(gcn::Graphics *graphics)
{
Graphics *g = static_cast<Graphics*>(graphics);
g->setFont(getFont());
for (int i = 0; i < mGridColumns; i++)
{
for (int j = 0; j < mGridRows; j++)
{
int itemX = i * BOX_WIDTH;
int itemY = j * BOX_HEIGHT;
Item *item = mInventory->getItem((j * mGridColumns) + i);
if (!item || item->getId() == 0)
continue;
Image *image = item->getImage();
if (image)
{
if (item == mSelectedItem)
{
if (mSelectionStatus == SEL_DRAGGING) {
// Reposition the coords to that of the cursor.
itemX = mDragPosX - (BOX_WIDTH / 2);
itemY = mDragPosY - (BOX_HEIGHT / 2);
}
else {
// Draw selected image.
g->drawImage(mSelImg, itemX, itemY);
}
}
g->drawImage(image, itemX, itemY);
}
// Draw item caption
std::string caption;
if (item->getQuantity() > 1 || mForceQuantity)
caption = toString(item->getQuantity());
else if (item->isEquipped())
caption = "Eq.";
if (item->isEquipped())
g->setColor(guiPalette->getColor(Palette::ITEM_EQUIPPED));
else
g->setColor(gcn::Color(0, 0, 0));
g->drawText(caption, itemX + BOX_WIDTH / 2,
itemY + BOX_HEIGHT - 14, gcn::Graphics::CENTER);
}
}
// Draw an orange box around the selected item
if (isFocused() && mHighlightedItem)
{
const int i = mHighlightedItem->getInvIndex();
const int itemX = (i % mGridColumns) * BOX_WIDTH;
const int itemY = (i / mGridColumns) * BOX_HEIGHT;
g->setColor(gcn::Color(255, 128, 0));
g->drawRectangle(gcn::Rectangle(itemX, itemY, BOX_WIDTH, BOX_HEIGHT));
}
}
void ItemContainer::selectNone()
{
setSelectedItem(NULL);
}
void ItemContainer::setSelectedItem(Item *item)
{
if (mSelectedItem != item)
{
mSelectedItem = item;
distributeValueChangedEvent();
}
}
void ItemContainer::distributeValueChangedEvent()
{
SelectionListenerIterator i, i_end;
for (i = mSelectionListeners.begin(), i_end = mSelectionListeners.end();
i != i_end; ++i)
{
gcn::SelectionEvent event(this);
(*i)->valueChanged(event);
}
}
void ItemContainer::keyPressed(gcn::KeyEvent &event)
{
switch (event.getKey().getValue())
{
case Key::LEFT:
moveHighlight(Left);
break;
case Key::RIGHT:
moveHighlight(Right);
break;
case Key::UP:
moveHighlight(Up);
break;
case Key::DOWN:
moveHighlight(Down);
break;
case Key::SPACE:
keyAction();
break;
case Key::LEFT_ALT:
case Key::RIGHT_ALT:
mSwapItems = true;
break;
case Key::RIGHT_CONTROL:
mDescItems = true;
break;
}
}
void ItemContainer::keyReleased(gcn::KeyEvent &event)
{
switch (event.getKey().getValue())
{
case Key::LEFT_ALT:
case Key::RIGHT_ALT:
mSwapItems = false;
break;
case Key::RIGHT_CONTROL:
mDescItems = false;
break;
}
}
void ItemContainer::mousePressed(gcn::MouseEvent &event)
{
const int button = event.getButton();
if (button == gcn::MouseEvent::LEFT || button == gcn::MouseEvent::RIGHT)
{
const int index = getSlotIndex(event.getX(), event.getY());
if (index == Inventory::NO_SLOT_INDEX)
return;
Item *item = mInventory->getItem(index);
// put item name into chat window
if (mDescItems)
{
chatWindow->addItemText(item->getInfo().getName());
}
if (mSelectedItem && mSelectedItem == item)
{
mSelectionStatus = SEL_DESELECTING;
}
else if (item && item->getId())
{
setSelectedItem(item);
mSelectionStatus = SEL_SELECTING;
itemShortcut->setItemSelected(item->getId());
}
else
{
setSelectedItem(NULL);
mSelectionStatus = SEL_NONE;
}
}
}
void ItemContainer::mouseDragged(gcn::MouseEvent &event)
{
if (mSelectionStatus != SEL_NONE)
{
mSelectionStatus = SEL_DRAGGING;
mDragPosX = event.getX();
mDragPosY = event.getY();
}
}
void ItemContainer::mouseReleased(gcn::MouseEvent &event)
{
switch (mSelectionStatus)
{
case SEL_SELECTING:
mSelectionStatus = SEL_SELECTED;
return;
case SEL_DESELECTING:
setSelectedItem(NULL);
mSelectionStatus = SEL_NONE;
return;
case SEL_DRAGGING:
mSelectionStatus = SEL_SELECTED;
break;
default:
return;
};
int index = getSlotIndex(event.getX(), event.getY());
if (index == Inventory::NO_SLOT_INDEX)
return;
Item *item = mInventory->getItem(index);
if (item == mSelectedItem)
return;
player_node->moveInvItem(mSelectedItem, index);
setSelectedItem(NULL);
mSelectionStatus = SEL_NONE;
}
// Show ItemTooltip
void ItemContainer::mouseMoved(gcn::MouseEvent &event)
{
Item *item = mInventory->getItem(getSlotIndex(event.getX(), event.getY()));
if (item)
{
mItemPopup->setItem(item->getInfo());
mItemPopup->view(viewport->getMouseX(), viewport->getMouseY());
}
else
{
mItemPopup->setVisible(false);
}
}
// Hide ItemTooltip
void ItemContainer::mouseExited(gcn::MouseEvent &event)
{
mItemPopup->setVisible(false);
}
void ItemContainer::widgetResized(const gcn::Event &event)
{
mGridColumns = std::max(1, getWidth() / BOX_WIDTH);
mGridRows = mInventory->getSize() / mGridColumns;
if (mGridRows == 0 || mInventory->getSize() % mGridColumns > 0)
++mGridRows;
setHeight(mGridRows * BOX_HEIGHT);
}
int ItemContainer::getSlotIndex(int x, int y) const
{
if (x < getWidth() && y < getHeight())
{
return (y / BOX_HEIGHT) * mGridColumns + (x / BOX_WIDTH);
}
return Inventory::NO_SLOT_INDEX;
}
void ItemContainer::keyAction()
{
// If there is no highlight then return.
if (!mHighlightedItem)
return;
// If the highlight is on the selected item, then deselect it.
if (mHighlightedItem == mSelectedItem)
{
setSelectedItem(NULL);
mSelectionStatus = SEL_NONE;
}
// Check and swap items if necessary.
else if (mSwapItems &&
mSelectedItem &&
mHighlightedItem->getId())
{
player_node->moveInvItem(
mSelectedItem, mHighlightedItem->getInvIndex());
setSelectedItem(mHighlightedItem);
}
// If the highlight is on an item then select it.
else if (mHighlightedItem->getId())
{
setSelectedItem(mHighlightedItem);
mSelectionStatus = SEL_SELECTED;
}
// If the highlight is on a blank space then move it.
else if (mSelectedItem)
{
player_node->moveInvItem(
mSelectedItem, mHighlightedItem->getInvIndex());
setSelectedItem(NULL);
mSelectionStatus = SEL_NONE;
}
}
void ItemContainer::moveHighlight(Direction direction)
{
if (!mHighlightedItem)
{
if (mSelectedItem) {
mHighlightedItem = mSelectedItem;
}
else {
mHighlightedItem = mInventory->getItem(0);
}
return;
}
switch (direction)
{
case Left:
if (mHighlightedItem->getInvIndex() % mGridColumns == 0)
{
mHighlightedItem += mGridColumns;
}
mHighlightedItem--;
break;
case Right:
if ((mHighlightedItem->getInvIndex() % mGridColumns) ==
(mGridColumns - 1))
{
mHighlightedItem -= mGridColumns;
}
mHighlightedItem++;
break;
case Up:
if (mHighlightedItem->getInvIndex() / mGridColumns == 0)
{
mHighlightedItem += (mGridColumns * mGridRows);
}
mHighlightedItem -= mGridColumns;
break;
case Down:
if ((mHighlightedItem->getInvIndex() / mGridColumns) ==
(mGridRows - 1))
{
mHighlightedItem -= (mGridColumns * mGridRows);
}
mHighlightedItem += mGridColumns;
break;
}
}