| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/generic/choicbkg.cpp |
| 3 | // Purpose: generic implementation of wxChoicebook |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: Wlodzimierz ABX Skiba from generic/listbkg.cpp |
| 6 | // Created: 15.09.04 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Vadim Zeitlin, Wlodzimierz Skiba |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_CHOICEBOOK |
| 28 | |
| 29 | #include "wx/choicebk.h" |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/settings.h" |
| 33 | #include "wx/choice.h" |
| 34 | #include "wx/sizer.h" |
| 35 | #endif |
| 36 | |
| 37 | #include "wx/imaglist.h" |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | // various wxWidgets macros |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | |
| 43 | // check that the page index is valid |
| 44 | #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount()) |
| 45 | |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | // event table |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | |
| 50 | IMPLEMENT_DYNAMIC_CLASS(wxChoicebook, wxBookCtrlBase) |
| 51 | IMPLEMENT_DYNAMIC_CLASS(wxChoicebookEvent, wxNotifyEvent) |
| 52 | |
| 53 | #if !WXWIN_COMPATIBILITY_EVENT_TYPES |
| 54 | const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING = wxNewEventType(); |
| 55 | const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED = wxNewEventType(); |
| 56 | #endif |
| 57 | |
| 58 | BEGIN_EVENT_TABLE(wxChoicebook, wxBookCtrlBase) |
| 59 | EVT_CHOICE(wxID_ANY, wxChoicebook::OnChoiceSelected) |
| 60 | END_EVENT_TABLE() |
| 61 | |
| 62 | // ============================================================================ |
| 63 | // wxChoicebook implementation |
| 64 | // ============================================================================ |
| 65 | |
| 66 | // ---------------------------------------------------------------------------- |
| 67 | // wxChoicebook creation |
| 68 | // ---------------------------------------------------------------------------- |
| 69 | |
| 70 | void wxChoicebook::Init() |
| 71 | { |
| 72 | m_selection = wxNOT_FOUND; |
| 73 | } |
| 74 | |
| 75 | bool |
| 76 | wxChoicebook::Create(wxWindow *parent, |
| 77 | wxWindowID id, |
| 78 | const wxPoint& pos, |
| 79 | const wxSize& size, |
| 80 | long style, |
| 81 | const wxString& name) |
| 82 | { |
| 83 | if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT ) |
| 84 | { |
| 85 | style |= wxBK_TOP; |
| 86 | } |
| 87 | |
| 88 | // no border for this control, it doesn't look nice together with |
| 89 | // wxChoice border |
| 90 | style &= ~wxBORDER_MASK; |
| 91 | style |= wxBORDER_NONE; |
| 92 | |
| 93 | if ( !wxControl::Create(parent, id, pos, size, style, |
| 94 | wxDefaultValidator, name) ) |
| 95 | return false; |
| 96 | |
| 97 | m_bookctrl = new wxChoice |
| 98 | ( |
| 99 | this, |
| 100 | wxID_ANY, |
| 101 | wxDefaultPosition, |
| 102 | wxDefaultSize |
| 103 | ); |
| 104 | |
| 105 | wxSizer* mainSizer = new wxBoxSizer(IsVertical() ? wxVERTICAL : wxHORIZONTAL); |
| 106 | |
| 107 | if (style & wxBK_RIGHT || style & wxBK_BOTTOM) |
| 108 | mainSizer->Add(0, 0, 1, wxEXPAND, 0); |
| 109 | |
| 110 | m_controlSizer = new wxBoxSizer(IsVertical() ? wxHORIZONTAL : wxVERTICAL); |
| 111 | m_controlSizer->Add(m_bookctrl, 1, (IsVertical() ? wxALIGN_CENTRE_VERTICAL : wxALIGN_CENTRE) |wxGROW, 0); |
| 112 | mainSizer->Add(m_controlSizer, 0, wxGROW|wxALL, m_controlMargin); |
| 113 | SetSizer(mainSizer); |
| 114 | return true; |
| 115 | } |
| 116 | |
| 117 | // ---------------------------------------------------------------------------- |
| 118 | // wxChoicebook geometry management |
| 119 | // ---------------------------------------------------------------------------- |
| 120 | |
| 121 | wxSize wxChoicebook::GetControllerSize() const |
| 122 | { |
| 123 | const wxSize sizeClient = GetClientSize(), |
| 124 | sizeChoice = m_controlSizer->CalcMin(); |
| 125 | |
| 126 | wxSize size; |
| 127 | if ( IsVertical() ) |
| 128 | { |
| 129 | size.x = sizeClient.x; |
| 130 | size.y = sizeChoice.y; |
| 131 | } |
| 132 | else // left/right aligned |
| 133 | { |
| 134 | size.x = sizeChoice.x; |
| 135 | size.y = sizeClient.y; |
| 136 | } |
| 137 | |
| 138 | return size; |
| 139 | } |
| 140 | |
| 141 | wxSize wxChoicebook::CalcSizeFromPage(const wxSize& sizePage) const |
| 142 | { |
| 143 | // we need to add the size of the choice control and the border between |
| 144 | const wxSize sizeChoice = GetControllerSize(); |
| 145 | |
| 146 | wxSize size = sizePage; |
| 147 | if ( IsVertical() ) |
| 148 | { |
| 149 | size.y += sizeChoice.y + GetInternalBorder(); |
| 150 | } |
| 151 | else // left/right aligned |
| 152 | { |
| 153 | size.x += sizeChoice.x + GetInternalBorder(); |
| 154 | } |
| 155 | |
| 156 | return size; |
| 157 | } |
| 158 | |
| 159 | |
| 160 | // ---------------------------------------------------------------------------- |
| 161 | // accessing the pages |
| 162 | // ---------------------------------------------------------------------------- |
| 163 | |
| 164 | bool wxChoicebook::SetPageText(size_t n, const wxString& strText) |
| 165 | { |
| 166 | GetChoiceCtrl()->SetString(n, strText); |
| 167 | |
| 168 | return true; |
| 169 | } |
| 170 | |
| 171 | wxString wxChoicebook::GetPageText(size_t n) const |
| 172 | { |
| 173 | return GetChoiceCtrl()->GetString(n); |
| 174 | } |
| 175 | |
| 176 | int wxChoicebook::GetPageImage(size_t WXUNUSED(n)) const |
| 177 | { |
| 178 | wxFAIL_MSG( _T("wxChoicebook::GetPageImage() not implemented") ); |
| 179 | |
| 180 | return wxNOT_FOUND; |
| 181 | } |
| 182 | |
| 183 | bool wxChoicebook::SetPageImage(size_t WXUNUSED(n), int WXUNUSED(imageId)) |
| 184 | { |
| 185 | wxFAIL_MSG( _T("wxChoicebook::SetPageImage() not implemented") ); |
| 186 | |
| 187 | return false; |
| 188 | } |
| 189 | |
| 190 | // ---------------------------------------------------------------------------- |
| 191 | // image list stuff |
| 192 | // ---------------------------------------------------------------------------- |
| 193 | |
| 194 | void wxChoicebook::SetImageList(wxImageList *imageList) |
| 195 | { |
| 196 | // TODO: can be implemented in form of static bitmap near choice control |
| 197 | |
| 198 | wxBookCtrlBase::SetImageList(imageList); |
| 199 | } |
| 200 | |
| 201 | // ---------------------------------------------------------------------------- |
| 202 | // selection |
| 203 | // ---------------------------------------------------------------------------- |
| 204 | |
| 205 | int wxChoicebook::GetSelection() const |
| 206 | { |
| 207 | return m_selection; |
| 208 | } |
| 209 | |
| 210 | wxBookCtrlBaseEvent* wxChoicebook::CreatePageChangingEvent() const |
| 211 | { |
| 212 | return new wxChoicebookEvent(wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING, m_windowId); |
| 213 | } |
| 214 | |
| 215 | void wxChoicebook::MakeChangedEvent(wxBookCtrlBaseEvent &event) |
| 216 | { |
| 217 | event.SetEventType(wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED); |
| 218 | } |
| 219 | |
| 220 | // ---------------------------------------------------------------------------- |
| 221 | // adding/removing the pages |
| 222 | // ---------------------------------------------------------------------------- |
| 223 | |
| 224 | bool |
| 225 | wxChoicebook::InsertPage(size_t n, |
| 226 | wxWindow *page, |
| 227 | const wxString& text, |
| 228 | bool bSelect, |
| 229 | int imageId) |
| 230 | { |
| 231 | if ( !wxBookCtrlBase::InsertPage(n, page, text, bSelect, imageId) ) |
| 232 | return false; |
| 233 | |
| 234 | GetChoiceCtrl()->Insert(text, n); |
| 235 | |
| 236 | // if the inserted page is before the selected one, we must update the |
| 237 | // index of the selected page |
| 238 | if ( int(n) <= m_selection ) |
| 239 | { |
| 240 | // one extra page added |
| 241 | m_selection++; |
| 242 | GetChoiceCtrl()->Select(m_selection); |
| 243 | } |
| 244 | |
| 245 | // some page should be selected: either this one or the first one if there |
| 246 | // is still no selection |
| 247 | int selNew = wxNOT_FOUND; |
| 248 | if ( bSelect ) |
| 249 | selNew = n; |
| 250 | else if ( m_selection == wxNOT_FOUND ) |
| 251 | selNew = 0; |
| 252 | |
| 253 | if ( selNew != m_selection ) |
| 254 | page->Hide(); |
| 255 | |
| 256 | if ( selNew != wxNOT_FOUND ) |
| 257 | SetSelection(selNew); |
| 258 | |
| 259 | return true; |
| 260 | } |
| 261 | |
| 262 | wxWindow *wxChoicebook::DoRemovePage(size_t page) |
| 263 | { |
| 264 | const size_t page_count = GetPageCount(); |
| 265 | wxWindow *win = wxBookCtrlBase::DoRemovePage(page); |
| 266 | |
| 267 | if ( win ) |
| 268 | { |
| 269 | GetChoiceCtrl()->Delete(page); |
| 270 | |
| 271 | if (m_selection >= (int)page) |
| 272 | { |
| 273 | // force new sel valid if possible |
| 274 | int sel = m_selection - 1; |
| 275 | if (page_count == 1) |
| 276 | sel = wxNOT_FOUND; |
| 277 | else if ((page_count == 2) || (sel == -1)) |
| 278 | sel = 0; |
| 279 | |
| 280 | // force sel invalid if deleting current page - don't try to hide it |
| 281 | m_selection = (m_selection == (int)page) ? wxNOT_FOUND : m_selection - 1; |
| 282 | |
| 283 | if ((sel != wxNOT_FOUND) && (sel != m_selection)) |
| 284 | SetSelection(sel); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | return win; |
| 289 | } |
| 290 | |
| 291 | |
| 292 | bool wxChoicebook::DeleteAllPages() |
| 293 | { |
| 294 | GetChoiceCtrl()->Clear(); |
| 295 | return wxBookCtrlBase::DeleteAllPages(); |
| 296 | } |
| 297 | |
| 298 | // ---------------------------------------------------------------------------- |
| 299 | // wxChoicebook events |
| 300 | // ---------------------------------------------------------------------------- |
| 301 | |
| 302 | void wxChoicebook::OnChoiceSelected(wxCommandEvent& eventChoice) |
| 303 | { |
| 304 | if ( eventChoice.GetEventObject() != m_bookctrl ) |
| 305 | { |
| 306 | eventChoice.Skip(); |
| 307 | return; |
| 308 | } |
| 309 | |
| 310 | const int selNew = eventChoice.GetSelection(); |
| 311 | |
| 312 | if ( selNew == m_selection ) |
| 313 | { |
| 314 | // this event can only come from our own Select(m_selection) below |
| 315 | // which we call when the page change is vetoed, so we should simply |
| 316 | // ignore it |
| 317 | return; |
| 318 | } |
| 319 | |
| 320 | SetSelection(selNew); |
| 321 | |
| 322 | // change wasn't allowed, return to previous state |
| 323 | if (m_selection != selNew) |
| 324 | GetChoiceCtrl()->Select(m_selection); |
| 325 | } |
| 326 | |
| 327 | #endif // wxUSE_CHOICEBOOK |