source: trunk/examples/statemachine/rogue/movementtransition.h@ 1030

Last change on this file since 1030 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
  • Property svn:eol-style set to native
File size: 3.6 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the documentation of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41#ifndef MOVEMENTTRANSITION_H
42#define MOVEMENTTRANSITION_H
43
44#include <QtGui>
45
46#include "window.h"
47
48//![0]
49class MovementTransition : public QEventTransition
50{
51 Q_OBJECT
52
53public:
54 MovementTransition(Window *window) :
55 QEventTransition(window, QEvent::KeyPress) {
56 this->window = window;
57 }
58//![0]
59
60//![1]
61protected:
62 bool eventTest(QEvent *event) {
63 if (event->type() == QEvent::StateMachineWrapped &&
64 static_cast<QStateMachine::WrappedEvent *>(event)->event()->type() == QEvent::KeyPress) {
65 QEvent *wrappedEvent = static_cast<QStateMachine::WrappedEvent *>(event)->event();
66
67 QKeyEvent *keyEvent = static_cast<QKeyEvent *>(wrappedEvent);
68 int key = keyEvent->key();
69
70 return key == Qt::Key_2 || key == Qt::Key_8 || key == Qt::Key_6 ||
71 key == Qt::Key_4;
72 }
73 return false;
74 }
75//![1]
76
77//![2]
78 void onTransition(QEvent *event) {
79 QKeyEvent *keyEvent = static_cast<QKeyEvent *>(
80 static_cast<QStateMachine::WrappedEvent *>(event)->event());
81
82 int key = keyEvent->key();
83 switch (key) {
84 case Qt::Key_4:
85 window->movePlayer(Window::Left);
86 break;
87 case Qt::Key_8:
88 window->movePlayer(Window::Up);
89 break;
90 case Qt::Key_6:
91 window->movePlayer(Window::Right);
92 break;
93 case Qt::Key_2:
94 window->movePlayer(Window::Down);
95 break;
96 default:
97 ;
98 }
99 }
100//![2]
101
102private:
103 Window *window;
104};
105
106#endif
107
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