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