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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
/*
* The ManaPlus Client
* Copyright (C) 2011-2014 The ManaPlus Developers
*
* 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/>.
*/
/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
*
*
* Per Larsson a.k.a finalman
* Olof Naessén a.k.a jansem/yakslem
*
* Visit: http://guichan.sourceforge.net
*
* License: (BSD)
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Guichan nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GCN_LISTBOX_HPP
#define GCN_LISTBOX_HPP
#include <list>
#include "gui/base/listmodel.hpp"
#include "gui/base/widget.hpp"
#include "listeners/keylistener.h"
#include "listeners/mouselistener.h"
namespace gcn
{
class SelectionListener;
/**
* An implementation of a list box where an item can be selected.
*
* To be able display a list the list box uses a user provided list model.
* A list model can be any class that implements the ListModel interface.
*
* If an item is selected in the list box a select event will be sent to
* all selection listeners of the list box. If an item is selected by using
* a mouse click or by using the enter or space key an action event will be
* sent to all action listeners of the list box.
*/
class ListBox :
public Widget,
public MouseListener,
public KeyListener
{
public:
/**
* Constructor.
*/
ListBox();
/**
* Constructor.
*
* @param listModel the list model to use.
*/
explicit ListBox(ListModel *listModel);
A_DELETE_COPY(ListBox)
/**
* Destructor.
*/
virtual ~ListBox()
{ }
/**
* Gets the selected item as an index in the list model.
*
* @return the selected item as an index in the list model.
* @see setSelected
*/
int getSelected() const;
/**
* Sets the selected item. The selected item is represented by
* an index from the list model.
*
* @param selected the selected item as an index from the list model.
* @see getSelected
*/
void setSelected(int selected);
/**
* Sets the list model to use.
*
* @param listModel the list model to use.
* @see getListModel
*/
void setListModel(ListModel *listModel);
/**
* Gets the list model used.
*
* @return the list model used.
* @see setListModel
*/
ListModel *getListModel();
/**
* Adjusts the size of the list box to fit it's list model.
*/
void adjustSize();
/**
* Checks whether the list box wraps when selecting items with a
* keyboard.
*
* Wrapping means that the selection of items will be wrapped. That is,
* if the first item is selected and up is pressed, the last item will
* get selected. If the last item is selected and down is pressed, the
* first item will get selected.
*
* @return true if wrapping is enabled, fasle otherwise.
* @see setWrappingEnabled
*/
bool isWrappingEnabled() const;
/**
* Sets the list box to wrap or not when selecting items with a
* keyboard.
*
* Wrapping means that the selection of items will be wrapped. That is,
* if the first item is selected and up is pressed, the last item will
* get selected. If the last item is selected and down is pressed, the
* first item will get selected.
*
* @see isWrappingEnabled
*/
void setWrappingEnabled(bool wrappingEnabled);
/**
* Adds a selection listener to the list box. When the selection
* changes an event will be sent to all selection listeners of the
* list box.
*
* If you delete your selection listener, be sure to also remove it
* using removeSelectionListener().
*
* @param selectionListener The selection listener to add.
* @since 0.8.0
*/
void addSelectionListener(SelectionListener* selectionListener);
/**
* Removes a selection listener from the list box.
*
* @param selectionListener The selection listener to remove.
* @since 0.8.0
*/
void removeSelectionListener(SelectionListener* selectionListener);
/**
* Gets the height of a row. Should be overridden if another row
* height than the font height is preferred.
*
* @return The height of a row.
* @since 0.8.0
*/
virtual unsigned int getRowHeight() const;
// Inherited from Widget
virtual void draw(Graphics* graphics);
virtual void logic();
// Inherited from KeyListener
virtual void keyPressed(KeyEvent& keyEvent) override;
// Inherited from MouseListener
virtual void mousePressed(MouseEvent& mouseEvent) override;
virtual void mouseWheelMovedUp(MouseEvent& mouseEvent) override;
virtual void mouseWheelMovedDown(MouseEvent& mouseEvent) override;
virtual void mouseDragged(MouseEvent& mouseEvent) override;
protected:
/**
* Distributes a value changed event to all selection listeners
* of the list box.
*
* @since 0.8.0
*/
void distributeValueChangedEvent();
/**
* The selected item as an index in the list model.
*/
int mSelected;
/**
* The list model to use.
*/
ListModel *mListModel;
/**
* True if wrapping is enabled, false otherwise.
*/
bool mWrappingEnabled;
/**
* Typdef.
*/
typedef std::list<SelectionListener*> SelectionListenerList;
/**
* The selection listeners of the list box.
*/
SelectionListenerList mSelectionListeners;
/**
* Typedef.
*/
typedef SelectionListenerList::iterator SelectionListenerIterator;
};
} // namespace gcn
#endif // end GCN_LISTBOX_HPP
|
