| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/univ/checklst.cpp |
| 3 | // Purpose: wxCheckListBox implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 12.09.00 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #include "wx/wxprec.h" |
| 21 | |
| 22 | #ifdef __BORLANDC__ |
| 23 | #pragma hdrstop |
| 24 | #endif |
| 25 | |
| 26 | #if wxUSE_CHECKLISTBOX |
| 27 | |
| 28 | #include "wx/checklst.h" |
| 29 | |
| 30 | #ifndef WX_PRECOMP |
| 31 | #include "wx/log.h" |
| 32 | #include "wx/dcclient.h" |
| 33 | #include "wx/validate.h" |
| 34 | #endif |
| 35 | |
| 36 | #include "wx/univ/renderer.h" |
| 37 | #include "wx/univ/inphand.h" |
| 38 | #include "wx/univ/theme.h" |
| 39 | |
| 40 | // ---------------------------------------------------------------------------- |
| 41 | // wxStdCheckListBoxInputHandler |
| 42 | // ---------------------------------------------------------------------------- |
| 43 | |
| 44 | class WXDLLEXPORT wxStdCheckListboxInputHandler : public wxStdInputHandler |
| 45 | { |
| 46 | public: |
| 47 | wxStdCheckListboxInputHandler(wxInputHandler *inphand); |
| 48 | |
| 49 | virtual bool HandleKey(wxInputConsumer *consumer, |
| 50 | const wxKeyEvent& event, |
| 51 | bool pressed); |
| 52 | virtual bool HandleMouse(wxInputConsumer *consumer, |
| 53 | const wxMouseEvent& event); |
| 54 | }; |
| 55 | |
| 56 | // ============================================================================ |
| 57 | // implementation of wxCheckListBox |
| 58 | // ============================================================================ |
| 59 | |
| 60 | // ---------------------------------------------------------------------------- |
| 61 | // creation |
| 62 | // ---------------------------------------------------------------------------- |
| 63 | |
| 64 | void wxCheckListBox::Init() |
| 65 | { |
| 66 | } |
| 67 | |
| 68 | wxCheckListBox::wxCheckListBox(wxWindow *parent, |
| 69 | wxWindowID id, |
| 70 | const wxPoint &pos, |
| 71 | const wxSize &size, |
| 72 | const wxArrayString& choices, |
| 73 | long style, |
| 74 | const wxValidator& validator, |
| 75 | const wxString &name) |
| 76 | { |
| 77 | Init(); |
| 78 | |
| 79 | Create(parent, id, pos, size, choices, style, validator, name); |
| 80 | } |
| 81 | |
| 82 | bool wxCheckListBox::Create(wxWindow *parent, |
| 83 | wxWindowID id, |
| 84 | const wxPoint &pos, |
| 85 | const wxSize &size, |
| 86 | const wxArrayString& choices, |
| 87 | long style, |
| 88 | const wxValidator& validator, |
| 89 | const wxString &name) |
| 90 | { |
| 91 | wxCArrayString chs(choices); |
| 92 | |
| 93 | return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(), |
| 94 | style, validator, name); |
| 95 | } |
| 96 | |
| 97 | bool wxCheckListBox::Create(wxWindow *parent, |
| 98 | wxWindowID id, |
| 99 | const wxPoint &pos, |
| 100 | const wxSize &size, |
| 101 | int n, |
| 102 | const wxString choices[], |
| 103 | long style, |
| 104 | const wxValidator& validator, |
| 105 | const wxString &name) |
| 106 | { |
| 107 | if ( !wxListBox::Create(parent, id, pos, size, |
| 108 | n, choices, style, validator, name) ) |
| 109 | return false; |
| 110 | |
| 111 | CreateInputHandler(wxINP_HANDLER_CHECKLISTBOX); |
| 112 | |
| 113 | return true; |
| 114 | } |
| 115 | |
| 116 | // ---------------------------------------------------------------------------- |
| 117 | // wxCheckListBox functions |
| 118 | // ---------------------------------------------------------------------------- |
| 119 | |
| 120 | bool wxCheckListBox::IsChecked(unsigned int item) const |
| 121 | { |
| 122 | wxCHECK_MSG( IsValid(item), false, |
| 123 | wxT("invalid index in wxCheckListBox::IsChecked") ); |
| 124 | |
| 125 | return m_checks[item] != 0; |
| 126 | } |
| 127 | |
| 128 | void wxCheckListBox::Check(unsigned int item, bool check) |
| 129 | { |
| 130 | wxCHECK_RET( IsValid(item), |
| 131 | wxT("invalid index in wxCheckListBox::Check") ); |
| 132 | |
| 133 | // intermediate var is needed to avoid compiler warning with VC++ |
| 134 | bool isChecked = m_checks[item] != 0; |
| 135 | if ( check != isChecked ) |
| 136 | { |
| 137 | m_checks[item] = check; |
| 138 | |
| 139 | RefreshItem(item); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | // ---------------------------------------------------------------------------- |
| 144 | // methods forwarded to wxListBox |
| 145 | // ---------------------------------------------------------------------------- |
| 146 | |
| 147 | void wxCheckListBox::DoDeleteOneItem(unsigned int n) |
| 148 | { |
| 149 | wxListBox::DoDeleteOneItem(n); |
| 150 | |
| 151 | m_checks.RemoveAt(n); |
| 152 | } |
| 153 | |
| 154 | void wxCheckListBox::OnItemInserted(unsigned int pos) |
| 155 | { |
| 156 | m_checks.Insert(false, pos); |
| 157 | } |
| 158 | |
| 159 | void wxCheckListBox::DoClear() |
| 160 | { |
| 161 | m_checks.Empty(); |
| 162 | } |
| 163 | |
| 164 | // ---------------------------------------------------------------------------- |
| 165 | // drawing |
| 166 | // ---------------------------------------------------------------------------- |
| 167 | |
| 168 | wxSize wxCheckListBox::DoGetBestClientSize() const |
| 169 | { |
| 170 | wxSize size = wxListBox::DoGetBestClientSize(); |
| 171 | size.x += GetRenderer()->GetCheckBitmapSize().x; |
| 172 | |
| 173 | return size; |
| 174 | } |
| 175 | |
| 176 | void wxCheckListBox::DoDrawRange(wxControlRenderer *renderer, |
| 177 | int itemFirst, int itemLast) |
| 178 | { |
| 179 | renderer->DrawCheckItems(this, itemFirst, itemLast); |
| 180 | } |
| 181 | |
| 182 | // ---------------------------------------------------------------------------- |
| 183 | // actions |
| 184 | // ---------------------------------------------------------------------------- |
| 185 | |
| 186 | bool wxCheckListBox::PerformAction(const wxControlAction& action, |
| 187 | long numArg, |
| 188 | const wxString& strArg) |
| 189 | { |
| 190 | if ( action == wxACTION_CHECKLISTBOX_TOGGLE ) |
| 191 | { |
| 192 | int sel = (int)numArg; |
| 193 | if ( sel == -1 ) |
| 194 | { |
| 195 | sel = GetSelection(); |
| 196 | } |
| 197 | |
| 198 | if ( sel != -1 ) |
| 199 | { |
| 200 | Check(sel, !IsChecked(sel)); |
| 201 | |
| 202 | SendEvent(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, sel); |
| 203 | } |
| 204 | } |
| 205 | else |
| 206 | { |
| 207 | return wxListBox::PerformAction(action, numArg, strArg); |
| 208 | } |
| 209 | |
| 210 | return true; |
| 211 | } |
| 212 | |
| 213 | /* static */ |
| 214 | wxInputHandler *wxCheckListBox::GetStdInputHandler(wxInputHandler *handlerDef) |
| 215 | { |
| 216 | static wxStdCheckListboxInputHandler s_handler(handlerDef); |
| 217 | |
| 218 | return &s_handler; |
| 219 | } |
| 220 | |
| 221 | // ---------------------------------------------------------------------------- |
| 222 | // wxStdCheckListboxInputHandler |
| 223 | // ---------------------------------------------------------------------------- |
| 224 | |
| 225 | wxStdCheckListboxInputHandler:: |
| 226 | wxStdCheckListboxInputHandler(wxInputHandler *inphand) |
| 227 | : wxStdInputHandler(wxListBox::GetStdInputHandler(inphand)) |
| 228 | { |
| 229 | } |
| 230 | |
| 231 | bool wxStdCheckListboxInputHandler::HandleKey(wxInputConsumer *consumer, |
| 232 | const wxKeyEvent& event, |
| 233 | bool pressed) |
| 234 | { |
| 235 | if ( pressed && (event.GetKeyCode() == WXK_SPACE) ) |
| 236 | consumer->PerformAction(wxACTION_CHECKLISTBOX_TOGGLE); |
| 237 | |
| 238 | return wxStdInputHandler::HandleKey(consumer, event, pressed); |
| 239 | } |
| 240 | |
| 241 | bool wxStdCheckListboxInputHandler::HandleMouse(wxInputConsumer *consumer, |
| 242 | const wxMouseEvent& event) |
| 243 | { |
| 244 | if ( event.LeftDown() || event.LeftDClick() ) |
| 245 | { |
| 246 | wxCheckListBox *lbox = wxStaticCast(consumer->GetInputWindow(), wxCheckListBox); |
| 247 | int x, y; |
| 248 | |
| 249 | wxPoint pt = event.GetPosition(); |
| 250 | pt -= consumer->GetInputWindow()->GetClientAreaOrigin(); |
| 251 | lbox->CalcUnscrolledPosition(pt.x, pt.y, &x, &y); |
| 252 | |
| 253 | wxRenderer *renderer = lbox->GetRenderer(); |
| 254 | x -= renderer->GetCheckItemMargin(); |
| 255 | |
| 256 | int item = y / lbox->GetLineHeight(); |
| 257 | if ( x >= 0 && |
| 258 | x < renderer->GetCheckBitmapSize().x && |
| 259 | item >= 0 && |
| 260 | (unsigned int)item < lbox->GetCount() ) |
| 261 | { |
| 262 | lbox->PerformAction(wxACTION_CHECKLISTBOX_TOGGLE, item); |
| 263 | |
| 264 | return true; |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | return wxStdInputHandler::HandleMouse(consumer, event); |
| 269 | } |
| 270 | |
| 271 | #endif // wxUSE_CHECKLISTBOX |