1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/univ/combobox.cpp
3 // Purpose: wxComboBox implementation
4 // Author: Vadim Zeitlin
8 // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
20 #include "wx/wxprec.h"
31 #include "wx/button.h"
32 #include "wx/combobox.h"
33 #include "wx/listbox.h"
34 #include "wx/textctrl.h"
35 #include "wx/bmpbuttn.h"
37 #include "wx/validate.h"
40 #include "wx/tooltip.h"
43 #include "wx/univ/renderer.h"
44 #include "wx/univ/inphand.h"
45 #include "wx/univ/theme.h"
47 // ----------------------------------------------------------------------------
48 // wxStdComboBoxInputHandler: allows the user to open/close the combo from kbd
49 // ----------------------------------------------------------------------------
51 class WXDLLEXPORT wxStdComboBoxInputHandler : public wxStdInputHandler
54 wxStdComboBoxInputHandler(wxInputHandler *inphand);
56 virtual bool HandleKey(wxInputConsumer *consumer,
57 const wxKeyEvent& event,
61 // ----------------------------------------------------------------------------
62 // wxComboListBox is a listbox modified to be used as a popup window in a
64 // ----------------------------------------------------------------------------
66 class wxComboListBox : public wxListBox, public wxComboPopup
71 virtual ~wxComboListBox();
73 // implement wxComboPopup methods
74 virtual bool Create(wxWindow* parent);
75 virtual void SetStringValue(const wxString& s);
76 virtual wxString GetStringValue() const;
77 virtual wxWindow *GetControl() { return this; }
78 virtual void OnPopup();
79 virtual wxSize GetAdjustedSize(int minWidth, int prefHeight, int maxHeight);
81 // fix virtual function hiding
82 virtual void SetSelection(int n) { DoSetSelection(n, true); }
83 void SetSelection(int n, bool select) { DoSetSelection(n, select); }
85 // used to process wxUniv actions
86 bool PerformAction(const wxControlAction& action,
88 const wxString& strArg);
91 // set m_clicked value from here
92 void OnLeftUp(wxMouseEvent& event);
95 friend class wxComboBox; // it accesses our DoGetItemClientData()
100 // ----------------------------------------------------------------------------
101 // event tables and such
102 // ----------------------------------------------------------------------------
104 BEGIN_EVENT_TABLE(wxComboListBox, wxListBox)
105 EVT_LEFT_UP(wxComboListBox::OnLeftUp)
108 // ============================================================================
110 // ============================================================================
112 // ----------------------------------------------------------------------------
114 // ----------------------------------------------------------------------------
116 wxComboListBox::wxComboListBox() : wxListBox(), wxComboPopup()
120 bool wxComboListBox::Create(wxWindow* parent)
122 if ( !wxListBox::Create(parent, wxID_ANY,
123 wxDefaultPosition, wxDefaultSize,
126 ( m_combo->GetWindowStyle() & wxCB_SORT ? wxLB_SORT : 0 ) ) )
129 // we don't react to the mouse events outside the window at all
135 wxComboListBox::~wxComboListBox()
139 wxString wxComboListBox::GetStringValue() const
141 return wxListBox::GetStringSelection();
144 void wxComboListBox::SetStringValue(const wxString& value)
146 if ( !value.empty() )
148 if (FindString(value) != wxNOT_FOUND)
149 wxListBox::SetStringSelection(value);
152 wxListBox::SetSelection(-1);
155 void wxComboListBox::OnPopup()
159 bool wxComboListBox::PerformAction(const wxControlAction& action,
161 const wxString& strArg)
164 if ( action == wxACTION_LISTBOX_FIND )
166 // we don't let the listbox handle this as instead of just using the
167 // single key presses, as usual, we use the text ctrl value as prefix
168 // and this is done by wxComboCtrl itself
172 return wxListBox::PerformAction(action, numArg, strArg);
175 void wxComboListBox::OnLeftUp(wxMouseEvent& event)
177 // we should dismiss the combo now
178 // first update the combo and close the listbox
180 m_combo->SetValue(wxListBox::GetStringSelection());
182 // next let the user code have the event
183 wxCommandEvent evt(wxEVT_COMBOBOX,m_combo->GetId());
184 evt.SetInt(wxListBox::GetSelection());
185 evt.SetEventObject(m_combo);
186 m_combo->ProcessWindowEvent(evt);
191 wxSize wxComboListBox::GetAdjustedSize(int minWidth,
192 int WXUNUSED(prefHeight),
195 wxSize bestSize = wxListBox::GetBestSize();
196 return wxSize(wxMax(bestSize.x,minWidth),
197 wxMin(bestSize.y,maxHeight));
200 // ----------------------------------------------------------------------------
202 // ----------------------------------------------------------------------------
204 void wxComboBox::Init()
209 wxComboBox::wxComboBox(wxWindow *parent,
211 const wxString& value,
214 const wxArrayString& choices,
216 const wxValidator& validator,
217 const wxString& name)
221 Create(parent, id, value, pos, size, choices, style, validator, name);
224 bool wxComboBox::Create(wxWindow *parent,
226 const wxString& value,
229 const wxArrayString& choices,
231 const wxValidator& validator,
232 const wxString& name)
234 wxCArrayString chs(choices);
236 return Create(parent, id, value, pos, size, chs.GetCount(),
237 chs.GetStrings(), style, validator, name);
240 bool wxComboBox::Create(wxWindow *parent,
242 const wxString& value,
246 const wxString choices[],
248 const wxValidator& validator,
249 const wxString& name)
251 if ( !wxComboCtrl::Create(parent, id, value, pos, size, style,
257 wxComboListBox *combolbox = new wxComboListBox();
258 SetPopupControl(combolbox);
261 m_lbox->Set(n, choices);
266 wxComboBox::~wxComboBox()
270 // ----------------------------------------------------------------------------
271 // wxComboBox methods forwarded to wxTextCtrl
272 // ----------------------------------------------------------------------------
274 wxString wxComboBox::DoGetValue() const
276 return GetTextCtrl() ? GetTextCtrl()->GetValue() : m_valueString;
279 void wxComboBox::SetValue(const wxString& value)
282 GetTextCtrl()->SetValue(value);
284 m_valueString = value;
287 void wxComboBox::WriteText(const wxString& value)
289 if ( GetTextCtrl() ) GetTextCtrl()->WriteText(value);
292 void wxComboBox::Copy()
294 if ( GetTextCtrl() ) GetTextCtrl()->Copy();
297 void wxComboBox::Cut()
299 if ( GetTextCtrl() ) GetTextCtrl()->Cut();
302 void wxComboBox::Paste()
304 if ( GetTextCtrl() ) GetTextCtrl()->Paste();
307 void wxComboBox::SetInsertionPoint(long pos)
309 if ( GetTextCtrl() ) GetTextCtrl()->SetInsertionPoint(pos);
312 void wxComboBox::SetInsertionPointEnd()
314 if ( GetTextCtrl() ) GetTextCtrl()->SetInsertionPointEnd();
317 long wxComboBox::GetInsertionPoint() const
320 return GetTextCtrl()->GetInsertionPoint();
324 wxTextPos wxComboBox::GetLastPosition() const
327 return GetTextCtrl()->GetLastPosition();
331 void wxComboBox::Replace(long from, long to, const wxString& value)
333 if ( GetTextCtrl() ) GetTextCtrl()->Replace(from, to, value);
336 void wxComboBox::Remove(long from, long to)
338 if ( GetTextCtrl() ) GetTextCtrl()->Remove(from, to);
341 void wxComboBox::SetSelection(long from, long to)
343 if ( GetTextCtrl() ) GetTextCtrl()->SetSelection(from, to);
346 void wxComboBox::GetSelection(long *from, long *to) const
348 if ( GetTextCtrl() ) GetTextCtrl()->GetSelection(from, to);
351 void wxComboBox::SetEditable(bool editable)
353 if ( GetTextCtrl() ) GetTextCtrl()->SetEditable(editable);
356 // ----------------------------------------------------------------------------
357 // wxComboBox methods forwarded to wxListBox
358 // ----------------------------------------------------------------------------
360 void wxComboBox::DoClear()
363 SetValue(wxEmptyString);
366 void wxComboBox::DoDeleteOneItem(unsigned int n)
368 wxCHECK_RET( IsValid(n), wxT("invalid index in wxComboBox::Delete") );
370 if (GetSelection() == (int)n)
371 SetValue(wxEmptyString);
373 GetLBox()->Delete(n);
376 unsigned int wxComboBox::GetCount() const
378 return GetLBox()->GetCount();
381 wxString wxComboBox::GetString(unsigned int n) const
383 wxCHECK_MSG( IsValid(n), wxEmptyString, wxT("invalid index in wxComboBox::GetString") );
385 return GetLBox()->GetString(n);
388 void wxComboBox::SetString(unsigned int n, const wxString& s)
390 wxCHECK_RET( IsValid(n), wxT("invalid index in wxComboBox::SetString") );
392 GetLBox()->SetString(n, s);
395 int wxComboBox::FindString(const wxString& s, bool bCase) const
397 return GetLBox()->FindString(s, bCase);
400 void wxComboBox::SetSelection(int n)
402 wxCHECK_RET( (n == wxNOT_FOUND || IsValid(n)), wxT("invalid index in wxComboBox::Select") );
404 GetLBox()->SetSelection(n);
407 if ( n != wxNOT_FOUND )
408 str = GetLBox()->GetString(n);
413 int wxComboBox::GetSelection() const
415 #if 1 // FIXME:: What is the correct behaviour?
416 // if the current value isn't one of the listbox strings, return -1
417 return GetLBox()->GetSelection();
419 // Why oh why is this done this way?
420 // It is not because the value displayed in the text can be found
421 // in the list that it is the item that is selected!
422 return FindString(if ( GetTextCtrl() ) GetTextCtrl()->GetValue());
426 wxString wxComboBox::GetStringSelection() const
428 return GetLBox()->GetStringSelection();
431 wxClientDataType wxComboBox::GetClientDataType() const
433 return GetLBox()->GetClientDataType();
436 void wxComboBox::SetClientDataType(wxClientDataType clientDataItemsType)
438 GetLBox()->SetClientDataType(clientDataItemsType);
441 int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
443 void **clientData, wxClientDataType type)
445 return GetLBox()->DoInsertItems(items, pos, clientData, type);
448 void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
450 GetLBox()->DoSetItemClientData(n, clientData);
453 void *wxComboBox::DoGetItemClientData(unsigned int n) const
455 return GetLBox()->DoGetItemClientData(n);
458 bool wxComboBox::IsEditable() const
460 return GetTextCtrl() != NULL && (!HasFlag(wxCB_READONLY) || GetTextCtrl()->IsEditable() );
463 void wxComboBox::Undo()
466 if ( GetTextCtrl() ) GetTextCtrl()->Undo();
469 void wxComboBox::Redo()
472 if ( GetTextCtrl() ) GetTextCtrl()->Redo();
475 void wxComboBox::SelectAll()
477 if ( GetTextCtrl() ) GetTextCtrl()->SelectAll();
480 bool wxComboBox::CanCopy() const
482 if (GetTextCtrl() != NULL)
483 return GetTextCtrl()->CanCopy();
488 bool wxComboBox::CanCut() const
490 if (GetTextCtrl() != NULL)
491 return GetTextCtrl()->CanCut();
496 bool wxComboBox::CanPaste() const
499 return GetTextCtrl()->CanPaste();
504 bool wxComboBox::CanUndo() const
507 return GetTextCtrl()->CanUndo();
512 bool wxComboBox::CanRedo() const
515 return GetTextCtrl()->CanRedo();
521 // ----------------------------------------------------------------------------
522 // wxStdComboBoxInputHandler
523 // ----------------------------------------------------------------------------
525 wxStdComboBoxInputHandler::wxStdComboBoxInputHandler(wxInputHandler *inphand)
526 : wxStdInputHandler(inphand)
530 bool wxStdComboBoxInputHandler::HandleKey(wxInputConsumer *consumer,
531 const wxKeyEvent& event,
536 wxControlAction action;
537 switch ( event.GetKeyCode() )
540 action = wxACTION_COMBOBOX_POPUP;
544 action = wxACTION_COMBOBOX_DISMISS;
548 if ( !action.IsEmpty() )
550 consumer->PerformAction(action);
556 return wxStdInputHandler::HandleKey(consumer, event, pressed);
560 wxInputHandler *wxComboBox::GetStdInputHandler(wxInputHandler *handlerDef)
562 static wxStdComboBoxInputHandler s_handler(handlerDef);
567 #endif // wxUSE_COMBOBOX