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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 of the License, or
* (at your option) 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/>.
*
*/
#include "ultima/shared/gfx/visual_container.h"
namespace Ultima {
namespace Shared {
namespace Gfx {
BEGIN_MESSAGE_MAP(VisualContainer, VisualItem)
ON_MESSAGE(MouseButtonDownMsg)
ON_MESSAGE(MouseButtonUpMsg)
ON_MESSAGE(MouseMoveMsg)
ON_MESSAGE(MouseDoubleClickMsg)
ON_MESSAGE(MouseWheelMsg)
END_MESSAGE_MAP()
bool VisualContainer::MouseButtonDownMsg(CMouseButtonDownMsg *msg) {
if (msg->_buttons & MB_LEFT) {
_mouseFocusItem = handleMouseMsg(msg);
return _mouseFocusItem != nullptr;
}
return false;
}
bool VisualContainer::MouseButtonUpMsg(CMouseButtonUpMsg *msg) {
if (msg->_buttons & MB_LEFT) {
bool result = handleMouseMsg(msg) != nullptr;
_mouseFocusItem = nullptr;
return result;
}
return false;
}
bool VisualContainer::MouseDoubleClickMsg(CMouseDoubleClickMsg *msg) {
if (msg->_buttons & MB_LEFT)
return handleMouseMsg(msg);
return false;
}
bool VisualContainer::MouseWheelMsg(CMouseWheelMsg *msg) {
return handleMouseMsg(msg);
}
bool VisualContainer::MouseMoveMsg(CMouseMoveMsg *msg) {
if (msg->_buttons & MB_LEFT)
return handleMouseMsg(msg);
return false;
}
bool VisualContainer::MouseDragMsg(CMouseDragMsg *msg) {
return handleMouseMsg(msg);
}
VisualItem *VisualContainer::handleMouseMsg(CMouseMsg *msg) {
if (_mouseFocusItem) {
// An item currently has focus, so pass all events directly to
// it, irrespective of whether the mouse is still in it or not
msg->execute(_mouseFocusItem);
return _mouseFocusItem;
} else {
// Iterate through each child and pass the message to the first
// immediate child the mouse position falls within
for (TreeItem *child = getFirstChild(); child; child = child->getNextSibling()) {
VisualItem *item = dynamic_cast<VisualItem *>(child);
if (item && item->getBounds().contains(msg->_mousePos)) {
if (msg->execute(item))
return item;
}
}
return nullptr;
}
}
void VisualContainer::draw() {
// If the overall container is dirty, clear it
if (_isDirty)
getSurface().clear();
// Iterate through each child and draw any dirty visual items
for (TreeItem *child = getFirstChild(); child; child = child->getNextSibling()) {
VisualItem *item = dynamic_cast<VisualItem *>(child);
if (item && item->isDirty())
item->draw();
}
_isDirty = false;
}
void VisualContainer::setDirty(bool dirty) {
for (TreeItem *child = getFirstChild(); child; child = child->getNextSibling()) {
VisualItem *item = dynamic_cast<VisualItem *>(child);
if (item)
item->setDirty(dirty);
}
VisualItem::setDirty(dirty);
}
bool VisualContainer::isDirty() const {
if (_isDirty)
return true;
for (TreeItem *child = getFirstChild(); child; child = child->getNextSibling()) {
VisualItem *item = dynamic_cast<VisualItem *>(child);
if (item && item->isDirty())
return true;
}
return false;
}
} // End of namespace Gfx
} // End of namespace Shared
} // End of namespace Ultima
|
