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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 const int wxID_CHOICEBOOKCHOICE = wxNewId();
58
59 BEGIN_EVENT_TABLE(wxChoicebook, wxBookCtrlBase)
60 EVT_CHOICE(wxID_CHOICEBOOKCHOICE, wxChoicebook::OnChoiceSelected)
61 END_EVENT_TABLE()
62
63 // ============================================================================
64 // wxChoicebook implementation
65 // ============================================================================
66
67 // ----------------------------------------------------------------------------
68 // wxChoicebook creation
69 // ----------------------------------------------------------------------------
70
71 void wxChoicebook::Init()
72 {
73 m_selection = wxNOT_FOUND;
74 }
75
76 bool
77 wxChoicebook::Create(wxWindow *parent,
78 wxWindowID id,
79 const wxPoint& pos,
80 const wxSize& size,
81 long style,
82 const wxString& name)
83 {
84 if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
85 {
86 style |= wxBK_TOP;
87 }
88
89 // no border for this control, it doesn't look nice together with
90 // wxChoice border
91 style &= ~wxBORDER_MASK;
92 style |= wxBORDER_NONE;
93
94 if ( !wxControl::Create(parent, id, pos, size, style,
95 wxDefaultValidator, name) )
96 return false;
97
98 m_bookctrl = new wxChoice
99 (
100 this,
101 wxID_CHOICEBOOKCHOICE,
102 wxDefaultPosition,
103 wxDefaultSize
104 );
105
106 wxSizer* mainSizer = new wxBoxSizer(IsVertical() ? wxVERTICAL : wxHORIZONTAL);
107
108 if (style & wxBK_RIGHT || style & wxBK_BOTTOM)
109 mainSizer->Add(0, 0, 1, wxEXPAND, 0);
110
111 m_controlSizer = new wxBoxSizer(IsVertical() ? wxHORIZONTAL : wxVERTICAL);
112 m_controlSizer->Add(m_bookctrl, 1, (IsVertical() ? wxALIGN_CENTRE_VERTICAL : wxALIGN_CENTRE) |wxGROW, 0);
113 mainSizer->Add(m_controlSizer, 0, wxGROW|wxALL, m_controlMargin);
114 SetSizer(mainSizer);
115 return true;
116 }
117
118 // ----------------------------------------------------------------------------
119 // wxChoicebook geometry management
120 // ----------------------------------------------------------------------------
121
122 wxSize wxChoicebook::GetControllerSize() const
123 {
124 const wxSize sizeClient = GetClientSize(),
125 // sizeChoice = m_bookctrl->GetBestFittingSize();
126 sizeChoice = m_controlSizer->CalcMin();
127
128 wxSize size;
129 if ( IsVertical() )
130 {
131 size.x = sizeClient.x;
132 size.y = sizeChoice.y;
133 }
134 else // left/right aligned
135 {
136 size.x = sizeChoice.x;
137 size.y = sizeClient.y;
138 }
139
140 return size;
141 }
142
143 wxSize wxChoicebook::CalcSizeFromPage(const wxSize& sizePage) const
144 {
145 // we need to add the size of the choice control and the border between
146 const wxSize sizeChoice = GetControllerSize();
147
148 wxSize size = sizePage;
149 if ( IsVertical() )
150 {
151 size.y += sizeChoice.y + GetInternalBorder();
152 }
153 else // left/right aligned
154 {
155 size.x += sizeChoice.x + GetInternalBorder();
156 }
157
158 return size;
159 }
160
161
162 // ----------------------------------------------------------------------------
163 // accessing the pages
164 // ----------------------------------------------------------------------------
165
166 bool wxChoicebook::SetPageText(size_t n, const wxString& strText)
167 {
168 GetChoiceCtrl()->SetString(n, strText);
169
170 return true;
171 }
172
173 wxString wxChoicebook::GetPageText(size_t n) const
174 {
175 return GetChoiceCtrl()->GetString(n);
176 }
177
178 int wxChoicebook::GetPageImage(size_t WXUNUSED(n)) const
179 {
180 wxFAIL_MSG( _T("wxChoicebook::GetPageImage() not implemented") );
181
182 return wxNOT_FOUND;
183 }
184
185 bool wxChoicebook::SetPageImage(size_t WXUNUSED(n), int WXUNUSED(imageId))
186 {
187 wxFAIL_MSG( _T("wxChoicebook::SetPageImage() not implemented") );
188
189 return false;
190 }
191
192 // ----------------------------------------------------------------------------
193 // image list stuff
194 // ----------------------------------------------------------------------------
195
196 void wxChoicebook::SetImageList(wxImageList *imageList)
197 {
198 // TODO: can be implemented in form of static bitmap near choice control
199
200 wxBookCtrlBase::SetImageList(imageList);
201 }
202
203 // ----------------------------------------------------------------------------
204 // selection
205 // ----------------------------------------------------------------------------
206
207 int wxChoicebook::GetSelection() const
208 {
209 return m_selection;
210 }
211
212 wxBookCtrlBaseEvent* wxChoicebook::CreatePageChangingEvent() const
213 {
214 return new wxChoicebookEvent(wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING, m_windowId);
215 }
216
217 void wxChoicebook::MakeChangedEvent(wxBookCtrlBaseEvent &event)
218 {
219 event.SetEventType(wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED);
220 }
221
222 // ----------------------------------------------------------------------------
223 // adding/removing the pages
224 // ----------------------------------------------------------------------------
225
226 bool
227 wxChoicebook::InsertPage(size_t n,
228 wxWindow *page,
229 const wxString& text,
230 bool bSelect,
231 int imageId)
232 {
233 if ( !wxBookCtrlBase::InsertPage(n, page, text, bSelect, imageId) )
234 return false;
235
236 GetChoiceCtrl()->Insert(text, n);
237
238 // if the inserted page is before the selected one, we must update the
239 // index of the selected page
240 if ( int(n) <= m_selection )
241 {
242 // one extra page added
243 m_selection++;
244 GetChoiceCtrl()->Select(m_selection);
245 }
246
247 // some page should be selected: either this one or the first one if there
248 // is still no selection
249 int selNew = wxNOT_FOUND;
250 if ( bSelect )
251 selNew = n;
252 else if ( m_selection == wxNOT_FOUND )
253 selNew = 0;
254
255 if ( selNew != m_selection )
256 page->Hide();
257
258 if ( selNew != wxNOT_FOUND )
259 SetSelection(selNew);
260
261 InvalidateBestSize();
262 return true;
263 }
264
265 wxWindow *wxChoicebook::DoRemovePage(size_t page)
266 {
267 const size_t page_count = GetPageCount();
268 wxWindow *win = wxBookCtrlBase::DoRemovePage(page);
269
270 if ( win )
271 {
272 GetChoiceCtrl()->Delete(page);
273
274 if (m_selection >= (int)page)
275 {
276 // force new sel valid if possible
277 int sel = m_selection - 1;
278 if (page_count == 1)
279 sel = wxNOT_FOUND;
280 else if ((page_count == 2) || (sel == -1))
281 sel = 0;
282
283 // force sel invalid if deleting current page - don't try to hide it
284 m_selection = (m_selection == (int)page) ? wxNOT_FOUND : m_selection - 1;
285
286 if ((sel != wxNOT_FOUND) && (sel != m_selection))
287 SetSelection(sel);
288 }
289 }
290
291 return win;
292 }
293
294
295 bool wxChoicebook::DeleteAllPages()
296 {
297 GetChoiceCtrl()->Clear();
298 return wxBookCtrlBase::DeleteAllPages();
299 }
300
301 // ----------------------------------------------------------------------------
302 // wxChoicebook events
303 // ----------------------------------------------------------------------------
304
305 void wxChoicebook::OnChoiceSelected(wxCommandEvent& eventChoice)
306 {
307 const int selNew = eventChoice.GetSelection();
308
309 if ( selNew == m_selection )
310 {
311 // this event can only come from our own Select(m_selection) below
312 // which we call when the page change is vetoed, so we should simply
313 // ignore it
314 return;
315 }
316
317 SetSelection(selNew);
318
319 // change wasn't allowed, return to previous state
320 if (m_selection != selNew)
321 GetChoiceCtrl()->Select(m_selection);
322 }
323
324 #endif // wxUSE_CHOICEBOOK