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
|
/*
* 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
*
* $Id$
*/
#include "listbox.h"
#include "selectionlistener.h"
#include <guichan/font.hpp>
#include <guichan/graphics.hpp>
#include <guichan/listmodel.hpp>
#include <guichan/mouseinput.hpp>
ListBox::ListBox(gcn::ListModel *listModel):
gcn::ListBox(listModel),
mMousePressed(false)
{
}
void ListBox::draw(gcn::Graphics *graphics)
{
if (mListModel == NULL) {
return;
}
graphics->setColor(gcn::Color(110, 160, 255));
graphics->setFont(getFont());
int fontHeight = getFont()->getHeight();
// Draw rectangle below the selected list element
if (mSelected >= 0) {
graphics->fillRectangle(gcn::Rectangle(0, fontHeight * mSelected,
getWidth(), fontHeight));
}
// Draw the list elements
for (int i = 0, y = 0; i < mListModel->getNumberOfElements(); ++i, y += fontHeight)
{
graphics->drawText(mListModel->getElementAt(i), 1, y);
}
}
void ListBox::setSelected(int selected)
{
gcn::ListBox::setSelected(selected);
fireSelectionChangedEvent();
}
void ListBox::mousePress(int x, int y, int button)
{
gcn::ListBox::mousePress(x, y, button);
if (button == gcn::MouseInput::LEFT && hasMouse())
{
mMousePressed = true;
}
}
void ListBox::mouseRelease(int x, int y, int button)
{
gcn::ListBox::mouseRelease(x, y, button);
mMousePressed = false;
}
void ListBox::mouseMotion(int x, int y)
{
gcn::ListBox::mouseMotion(x, y);
// Pretend mouse is pressed continuously while dragged. Causes list
// selection to be updated as is default in many GUIs.
if (mMousePressed)
{
mousePress(x, y, gcn::MouseInput::LEFT);
}
}
void ListBox::fireSelectionChangedEvent()
{
SelectionEvent event(this);
SelectionListeners::iterator i_end = mListeners.end();
SelectionListeners::iterator i;
for (i = mListeners.begin(); i != i_end; ++i)
{
(*i)->selectionChanged(event);
}
}
|
