summaryrefslogtreecommitdiff
path: root/src/gui/emotecontainer.h
blob: 7e88cb7136e92d0832c308b0b12abe44cf04ab54 (plain) (blame)
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
/*
 *  Extended support for activating emotes
 *  Copyright (C) 2009  Aethyra Development Team
 *
 *  This file is part of Aethyra derived from original code
 *  from 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
 */

#ifndef EMOTECONTAINER_H
#define EMOTECONTAINER_H

#include <list>
#include <vector>

#include <guichan/mouselistener.hpp>
#include <guichan/widget.hpp>
#include <guichan/widgetlistener.hpp>

class AnimatedSprite;
class Image;

namespace gcn {
    class SelectionListener;
}

/**
 * An emote container. Used to show emotes in inventory and trade dialog.
 *
 * \ingroup GUI
 */
class EmoteContainer : public gcn::Widget,
                       public gcn::MouseListener,
                       public gcn::WidgetListener
{
    public:
        /**
         * Constructor. Initializes the graphic.
         */
        EmoteContainer();

        /**
         * Destructor.
         */
        virtual ~EmoteContainer();

        /**
         * Draws the emotes.
         */
        void draw(gcn::Graphics *graphics);

        /**
         * Called whenever the widget changes size.
         */
        void widgetResized(const gcn::Event &event);

        /**
         * Handles mouse click.
         */
        void mousePressed(gcn::MouseEvent &event);

        /**
         * Returns the selected emote.
         */
        int getSelectedEmote();

        /**
         * Sets selected emote 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)
        {
            mListeners.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)
        {
            mListeners.remove(listener);
        }

    private:
        /**
         * Sets the currently selected emote.  Invalid (e.g., negative) indices
         * set `no emotr'.
         */
        void setSelectedEmoteIndex(int index);

        /**
         * Find the current emote index by the most recently used emote ID
         */
        void refindSelectedEmote(void);

        /**
         * Determine and set the height of the container.
         */
        void recalculateHeight(void);

        /**
         * Sends out selection events to the list of selection listeners.
         */
        void distributeValueChangedEvent(void);

        std::vector<const AnimatedSprite*> mEmoteImg;
        Image *mSelImg;
        int mSelectedEmoteIndex;

        int mMaxEmote;

        std::list<gcn::SelectionListener*> mListeners;

        static const int gridWidth;
        static const int gridHeight;
};

#endif