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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: generic/accel.cpp | |
3 | // Purpose: generic implementation of wxAcceleratorTable class | |
4 | // Author: Robert Roebling | |
5 | // Modified: VZ pn 31.05.01: use typed lists, Unicode cleanup, Add/Remove | |
6 | // Id: $Id$ | |
7 | // Copyright: (c) 1998 Robert Roebling | |
8 | // Licence: wxWindows licence | |
9 | /////////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | // ============================================================================ | |
12 | // declarations | |
13 | // ============================================================================ | |
14 | ||
15 | // ---------------------------------------------------------------------------- | |
16 | // headers | |
17 | // ---------------------------------------------------------------------------- | |
18 | ||
19 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
20 | #pragma implementation "accel.h" | |
21 | #endif | |
22 | ||
23 | // For compilers that support precompilation, includes "wx.h". | |
24 | #include "wx/wxprec.h" | |
25 | ||
26 | #ifdef __BORLANDC__ | |
27 | #pragma hdrstop | |
28 | #endif | |
29 | ||
30 | #if wxUSE_ACCEL | |
31 | ||
32 | #ifndef WX_PRECOMP | |
33 | #include "wx/event.h" | |
34 | #include "wx/list.h" | |
35 | #endif // WX_PRECOMP | |
36 | ||
37 | #include "wx/accel.h" | |
38 | ||
39 | #include <ctype.h> | |
40 | ||
41 | // ---------------------------------------------------------------------------- | |
42 | // wxAccelList: a list of wxAcceleratorEntries | |
43 | // ---------------------------------------------------------------------------- | |
44 | ||
45 | WX_DECLARE_LIST(wxAcceleratorEntry, wxAccelList); | |
46 | #include "wx/listimpl.cpp" | |
47 | WX_DEFINE_LIST(wxAccelList); | |
48 | ||
49 | // ---------------------------------------------------------------------------- | |
50 | // wxAccelRefData: the data used by wxAcceleratorTable | |
51 | // ---------------------------------------------------------------------------- | |
52 | ||
53 | class wxAccelRefData : public wxObjectRefData | |
54 | { | |
55 | public: | |
56 | wxAccelRefData() | |
57 | { | |
58 | } | |
59 | ||
60 | wxAccelRefData(const wxAccelRefData& data) | |
61 | : wxObjectRefData() | |
62 | { | |
63 | m_accels = data.m_accels; | |
64 | } | |
65 | ||
66 | virtual ~wxAccelRefData() | |
67 | { | |
68 | WX_CLEAR_LIST(wxAccelList, m_accels); | |
69 | } | |
70 | ||
71 | wxAccelList m_accels; | |
72 | }; | |
73 | ||
74 | // macro which can be used to access wxAccelRefData from wxAcceleratorTable | |
75 | #define M_ACCELDATA ((wxAccelRefData *)m_refData) | |
76 | ||
77 | ||
78 | // ============================================================================ | |
79 | // implementation | |
80 | // ============================================================================ | |
81 | ||
82 | // ---------------------------------------------------------------------------- | |
83 | // wxAcceleratorTable ctors | |
84 | // ---------------------------------------------------------------------------- | |
85 | ||
86 | IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject) | |
87 | ||
88 | wxAcceleratorTable::wxAcceleratorTable() | |
89 | { | |
90 | } | |
91 | ||
92 | wxAcceleratorTable::wxAcceleratorTable(int n, const wxAcceleratorEntry entries[]) | |
93 | { | |
94 | m_refData = new wxAccelRefData; | |
95 | ||
96 | for ( int i = 0; i < n; i++ ) | |
97 | { | |
98 | const wxAcceleratorEntry& entry = entries[i]; | |
99 | ||
100 | int keycode = wxToupper(entry.GetKeyCode()); | |
101 | ||
102 | M_ACCELDATA->m_accels.Append(new wxAcceleratorEntry(entry.GetFlags(), | |
103 | keycode, | |
104 | entry.GetCommand())); | |
105 | } | |
106 | } | |
107 | ||
108 | wxAcceleratorTable::~wxAcceleratorTable() | |
109 | { | |
110 | } | |
111 | ||
112 | bool wxAcceleratorTable::Ok() const | |
113 | { | |
114 | return m_refData != NULL; | |
115 | } | |
116 | ||
117 | // ---------------------------------------------------------------------------- | |
118 | // wxAcceleratorTable updating | |
119 | // ---------------------------------------------------------------------------- | |
120 | ||
121 | void wxAcceleratorTable::Add(const wxAcceleratorEntry& entry) | |
122 | { | |
123 | AllocExclusive(); | |
124 | ||
125 | if ( !m_refData ) | |
126 | { | |
127 | m_refData = new wxAccelRefData; | |
128 | } | |
129 | ||
130 | M_ACCELDATA->m_accels.Append(new wxAcceleratorEntry(entry)); | |
131 | } | |
132 | ||
133 | void wxAcceleratorTable::Remove(const wxAcceleratorEntry& entry) | |
134 | { | |
135 | AllocExclusive(); | |
136 | ||
137 | wxAccelList::compatibility_iterator node = M_ACCELDATA->m_accels.GetFirst(); | |
138 | while ( node ) | |
139 | { | |
140 | const wxAcceleratorEntry *entryCur = node->GetData(); | |
141 | ||
142 | // given entry contains only the information of the accelerator key | |
143 | // because it was set that way in wxGetAccelFromString() | |
144 | // so do not perform full ( *entryCur == entry ) comparison | |
145 | if ((entryCur->GetKeyCode() == entry.GetKeyCode()) && | |
146 | (entryCur->GetFlags() == entry.GetFlags())) | |
147 | { | |
148 | delete node->GetData(); | |
149 | M_ACCELDATA->m_accels.Erase(node); | |
150 | ||
151 | return; | |
152 | } | |
153 | ||
154 | node = node->GetNext(); | |
155 | } | |
156 | ||
157 | wxFAIL_MSG(_T("deleting inexistent accel from wxAcceleratorTable")); | |
158 | } | |
159 | ||
160 | // ---------------------------------------------------------------------------- | |
161 | // wxAcceleratorTable: find a command for the given key press | |
162 | // ---------------------------------------------------------------------------- | |
163 | ||
164 | const wxAcceleratorEntry * | |
165 | wxAcceleratorTable::GetEntry(const wxKeyEvent& event) const | |
166 | { | |
167 | if ( !Ok() ) | |
168 | { | |
169 | // not an error, the accel table is just empty | |
170 | return NULL; | |
171 | } | |
172 | ||
173 | wxAccelList::compatibility_iterator node = M_ACCELDATA->m_accels.GetFirst(); | |
174 | while ( node ) | |
175 | { | |
176 | const wxAcceleratorEntry *entry = node->GetData(); | |
177 | ||
178 | // is the key the same? | |
179 | if ( event.m_keyCode == entry->GetKeyCode() ) | |
180 | { | |
181 | int flags = entry->GetFlags(); | |
182 | ||
183 | // now check flags | |
184 | if ( (((flags & wxACCEL_CTRL) != 0) == event.ControlDown()) && | |
185 | (((flags & wxACCEL_SHIFT) != 0) == event.ShiftDown()) && | |
186 | (((flags & wxACCEL_ALT) != 0) == event.AltDown()) ) | |
187 | { | |
188 | return entry; | |
189 | } | |
190 | } | |
191 | ||
192 | node = node->GetNext(); | |
193 | } | |
194 | ||
195 | return NULL; | |
196 | } | |
197 | ||
198 | wxMenuItem *wxAcceleratorTable::GetMenuItem(const wxKeyEvent& event) const | |
199 | { | |
200 | const wxAcceleratorEntry *entry = GetEntry(event); | |
201 | ||
202 | return entry ? entry->GetMenuItem() : NULL; | |
203 | } | |
204 | ||
205 | int wxAcceleratorTable::GetCommand(const wxKeyEvent& event) const | |
206 | { | |
207 | const wxAcceleratorEntry *entry = GetEntry(event); | |
208 | ||
209 | return entry ? entry->GetCommand() : -1; | |
210 | } | |
211 | ||
212 | wxObjectRefData *wxAcceleratorTable::CreateRefData() const | |
213 | { | |
214 | return new wxAccelRefData; | |
215 | } | |
216 | ||
217 | wxObjectRefData *wxAcceleratorTable::CloneRefData(const wxObjectRefData *data) const | |
218 | { | |
219 | return new wxAccelRefData(*(wxAccelRefData *)data); | |
220 | } | |
221 | ||
222 | #endif // wxUSE_ACCEL | |
223 |