1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMW_ITEMCONTAINER_H__
#define _TMW_ITEMCONTAINER_H__
#include <guichan/keylistener.hpp>
#include <guichan/mouselistener.hpp>
#include <guichan/widget.hpp>
#include <list>
class Image;
class Inventory;
class Item;
namespace gcn {
class SelectionListener;
}
/**
* An item container. Used to show items in inventory and trade dialog.
*
* \ingroup GUI
*/
class ItemContainer : public gcn::Widget,
public gcn::KeyListener,
public gcn::MouseListener
{
public:
/**
* Constructor. Initializes the graphic.
* @param inventory
* @param gridColumns Amount of columns in grid.
* @param gridRows Amount of rows in grid.
*/
ItemContainer(Inventory *inventory, int gridColumns, int gridRows);
/**
* Destructor.
*/
virtual ~ItemContainer();
/**
* Draws the items.
*/
void draw(gcn::Graphics *graphics);
/**
* Handles the key presses.
*/
void keyPressed(gcn::KeyEvent &event);
/**
* Handles the key releases.
*/
void keyReleased(gcn::KeyEvent &event);
/**
* Handles mouse click.
*/
void mousePressed(gcn::MouseEvent &event);
/**
* Handles mouse dragged.
*/
void mouseDragged(gcn::MouseEvent &event);
/**
* Handles mouse released.
*/
void mouseReleased(gcn::MouseEvent &event);
/**
* Returns the selected item.
*/
Item* getItem() const
{ return mSelectedItem; }
/**
* Sets selected item to NULL.
*/
void selectNone();
/**
* Adds a listener to the list that's notified each time a change to
* the selection occurs.
*/
void addSelectionListener(gcn::SelectionListener *listener)
{
mSelectionListeners.push_back(listener);
}
/**
* Removes a listener from the list that's notified each time a change
* to the selection occurs.
*/
void removeSelectionListener(gcn::SelectionListener *listener)
{
mSelectionListeners.remove(listener);
}
enum {
MOVE_SELECTED_LEFT, // 0
MOVE_SELECTED_RIGHT, // 1
MOVE_SELECTED_UP, // 2
MOVE_SELECTED_DOWN // 3
};
private:
/**
* Execute all the functionality associated with the action key.
*/
void keyAction();
/**
* Moves the highlight in the direction specified.
*
* @param direction The move direction of the highlighter.
*/
void moveHighlight(int direction);
/**
* Sets the currently selected item.
*/
void setSelectedItem(Item *item);
/**
* Sends out selection events to the list of selection listeners.
*/
void distributeValueChangedEvent();
/**
* Gets the slot index based on the cursor position.
*
* @param posX The X Coordinate position.
* @param posY The Y Coordinate position.
* @return The slot index on success, -1 on failure.
*/
int getSlotIndex(const int posX, const int posY) const;
Inventory *mInventory;
int mGridColumns, mGridRows;
Image *mSelImg;
Item *mSelectedItem, *mHighlightedItem;
int mSelectionStatus;
bool mSwapItems;
int mDragPosX, mDragPosY;
typedef std::list<gcn::SelectionListener*> SelectionListenerList;
typedef SelectionListenerList::iterator SelectionListenerIterator;
SelectionListenerList mSelectionListeners;
};
#endif
|
