| 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 = entry.GetKeyCode(); |
| 101 | if ( wxIslower(keycode) ) |
| 102 | keycode = wxToupper(keycode); |
| 103 | |
| 104 | M_ACCELDATA->m_accels.Append(new wxAcceleratorEntry(entry.GetFlags(), |
| 105 | keycode, |
| 106 | entry.GetCommand())); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | wxAcceleratorTable::~wxAcceleratorTable() |
| 111 | { |
| 112 | } |
| 113 | |
| 114 | bool wxAcceleratorTable::Ok() const |
| 115 | { |
| 116 | return m_refData != NULL; |
| 117 | } |
| 118 | |
| 119 | // ---------------------------------------------------------------------------- |
| 120 | // wxAcceleratorTable updating |
| 121 | // ---------------------------------------------------------------------------- |
| 122 | |
| 123 | void wxAcceleratorTable::Add(const wxAcceleratorEntry& entry) |
| 124 | { |
| 125 | AllocExclusive(); |
| 126 | |
| 127 | if ( !m_refData ) |
| 128 | { |
| 129 | m_refData = new wxAccelRefData; |
| 130 | } |
| 131 | |
| 132 | M_ACCELDATA->m_accels.Append(new wxAcceleratorEntry(entry)); |
| 133 | } |
| 134 | |
| 135 | void wxAcceleratorTable::Remove(const wxAcceleratorEntry& entry) |
| 136 | { |
| 137 | AllocExclusive(); |
| 138 | |
| 139 | wxAccelList::compatibility_iterator node = M_ACCELDATA->m_accels.GetFirst(); |
| 140 | while ( node ) |
| 141 | { |
| 142 | const wxAcceleratorEntry *entryCur = node->GetData(); |
| 143 | |
| 144 | if ( *entryCur == entry ) |
| 145 | { |
| 146 | delete node->GetData(); |
| 147 | M_ACCELDATA->m_accels.Erase(node); |
| 148 | |
| 149 | return; |
| 150 | } |
| 151 | |
| 152 | node = node->GetNext(); |
| 153 | } |
| 154 | |
| 155 | wxFAIL_MSG(_T("deleting inexistent accel from wxAcceleratorTable")); |
| 156 | } |
| 157 | |
| 158 | // ---------------------------------------------------------------------------- |
| 159 | // wxAcceleratorTable: find a command for the given key press |
| 160 | // ---------------------------------------------------------------------------- |
| 161 | |
| 162 | const wxAcceleratorEntry * |
| 163 | wxAcceleratorTable::GetEntry(const wxKeyEvent& event) const |
| 164 | { |
| 165 | if ( !Ok() ) |
| 166 | { |
| 167 | // not an error, the accel table is just empty |
| 168 | return NULL; |
| 169 | } |
| 170 | |
| 171 | wxAccelList::compatibility_iterator node = M_ACCELDATA->m_accels.GetFirst(); |
| 172 | while ( node ) |
| 173 | { |
| 174 | const wxAcceleratorEntry *entry = node->GetData(); |
| 175 | |
| 176 | // is the key the same? |
| 177 | if ( event.m_keyCode == entry->GetKeyCode() ) |
| 178 | { |
| 179 | int flags = entry->GetFlags(); |
| 180 | |
| 181 | // now check flags |
| 182 | if ( (((flags & wxACCEL_CTRL) != 0) == event.ControlDown()) && |
| 183 | (((flags & wxACCEL_SHIFT) != 0) == event.ShiftDown()) && |
| 184 | (((flags & wxACCEL_ALT) != 0) == event.AltDown()) ) |
| 185 | { |
| 186 | return entry; |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | node = node->GetNext(); |
| 191 | } |
| 192 | |
| 193 | return NULL; |
| 194 | } |
| 195 | |
| 196 | wxMenuItem *wxAcceleratorTable::GetMenuItem(const wxKeyEvent& event) const |
| 197 | { |
| 198 | const wxAcceleratorEntry *entry = GetEntry(event); |
| 199 | |
| 200 | return entry ? entry->GetMenuItem() : NULL; |
| 201 | } |
| 202 | |
| 203 | int wxAcceleratorTable::GetCommand(const wxKeyEvent& event) const |
| 204 | { |
| 205 | const wxAcceleratorEntry *entry = GetEntry(event); |
| 206 | |
| 207 | return entry ? entry->GetCommand() : -1; |
| 208 | } |
| 209 | |
| 210 | wxObjectRefData *wxAcceleratorTable::CreateRefData() const |
| 211 | { |
| 212 | return new wxAccelRefData; |
| 213 | } |
| 214 | |
| 215 | wxObjectRefData *wxAcceleratorTable::CloneRefData(const wxObjectRefData *data) const |
| 216 | { |
| 217 | return new wxAccelRefData(*(wxAccelRefData *)data); |
| 218 | } |
| 219 | |
| 220 | #endif // wxUSE_ACCEL |
| 221 | |