Dali 3D User Interface Engine
key-impl.cpp
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1 /*
2  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 // CLASS HEADER
19 #include "key-impl.h"
20 
21 // EXTERNAL INCLUDES
22 #include <map>
23 #include <string.h>
24 #include <iostream>
25 
27 
28 
29 namespace Dali
30 {
31 
32 namespace Internal
33 {
34 
35 namespace Adaptor
36 {
37 
38 namespace KeyLookup
39 {
40 
41 namespace
42 {
43 
44 class KeyMap
45 {
46  public:
47 
48  KeyMap():
49  mLookup( cmpString )
50  {
51  // create the lookup
52  for( size_t i = 0; i < KEY_LOOKUP_COUNT ; ++i )
53  {
54  const KeyLookup& keyLookup( KeyLookupTable[i] );
55  mLookup[ keyLookup.keyName ] = DaliKeyType( keyLookup.daliKeyCode, keyLookup.deviceButton );
56  }
57  }
58 
59  int GetDaliKeyEnum( const char* keyName ) const
60  {
61  Lookup::const_iterator i = mLookup.find( keyName );
62  if( i == mLookup.end() )
63  {
64  return -1;
65  }
66  else
67  {
68  return (*i).second.first;
69  }
70  }
71 
72  const char* GetKeyName( int daliKeyCode ) const
73  {
74  for( size_t i = 0; i < KEY_LOOKUP_COUNT ; ++i )
75  {
76  const KeyLookup& keyLookup( KeyLookupTable[i] );
77  if( keyLookup.daliKeyCode == daliKeyCode )
78  {
79  return keyLookup.keyName;
80  }
81  }
82  return NULL;
83  }
84 
85  bool IsDeviceButton( const char* keyName ) const
86  {
87  Lookup::const_iterator i = mLookup.find( keyName );
88  if ( i != mLookup.end() )
89  {
90  return (*i).second.second;
91  }
92  return false;
93  }
94 
95  private:
96 
100  static bool cmpString( const char* a, const char* b)
101  {
102  return strcmp(a, b) < 0;
103  }
104 
105  typedef std::pair< int, bool > DaliKeyType;
106  typedef std::map<const char* /* key name */, DaliKeyType /* key code */, bool(*) ( char const* a, char const* b) > Lookup;
108 
109 };
111 
112 } // un-named name space
113 
114 bool IsKey( const Dali::KeyEvent& keyEvent, Dali::KEY daliKey)
115 {
116  int key = globalKeyLookup.GetDaliKeyEnum( keyEvent.keyPressedName.c_str() );
117  return daliKey == key;
118 }
119 
120 bool IsDeviceButton( const char* keyName )
121 {
122  return globalKeyLookup.IsDeviceButton( keyName );
123 }
124 
125 const char* GetKeyName( Dali::KEY daliKey )
126 {
127  return globalKeyLookup.GetKeyName( daliKey );
128 }
129 
130 } // namespace KeyLookup
131 
132 } // namespace Adaptor
133 
134 } // namespace Internal
135 
136 } // namespace Dali
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