In wxComboPopupEvtHandler::OnMouseEvent(), when need to relay event to drop-down...
[wxWidgets.git] / src / common / combocmn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/combocmn.cpp
3 // Purpose: wxComboCtrlBase
4 // Author: Jaakko Salli
5 // Modified by:
6 // Created: Apr-30-2006
7 // RCS-ID: $Id$
8 // Copyright: (c) 2005 Jaakko Salli
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_COMBOCTRL
27
28 #include "wx/combobox.h"
29
30 #ifndef WX_PRECOMP
31 #include "wx/app.h"
32 #include "wx/log.h"
33 #include "wx/dcclient.h"
34 #include "wx/settings.h"
35 #include "wx/timer.h"
36 #include "wx/textctrl.h"
37 #endif
38
39 #include "wx/tooltip.h"
40
41 #include "wx/combo.h"
42
43
44
45 // constants
46 // ----------------------------------------------------------------------------
47
48 #define DEFAULT_DROPBUTTON_WIDTH 19
49
50 #define BMP_BUTTON_MARGIN 4
51
52 #define DEFAULT_POPUP_HEIGHT 400
53
54 #define DEFAULT_TEXT_INDENT 3
55
56 #define COMBO_MARGIN 2 // spacing right of wxTextCtrl
57
58
59 #if defined(__WXMSW__)
60
61 // Let's use wxFrame as a fall-back solution until wxMSW gets wxNonOwnedWindow
62 #include "wx/frame.h"
63 #define wxCC_GENERIC_TLW_IS_FRAME
64 #define wxComboCtrlGenericTLW wxFrame
65
66 #define USE_TRANSIENT_POPUP 1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
67 #define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
68 // native controls work on it like normal.
69 #define POPUPWIN_IS_PERFECT 0 // Same, but for non-transient popup window.
70 #define TEXTCTRL_TEXT_CENTERED 0 // 1 if text in textctrl is vertically centered
71 #define FOCUS_RING 0 // No focus ring on wxMSW
72
73 //#undef wxUSE_POPUPWIN
74 //#define wxUSE_POPUPWIN 0
75
76 #elif defined(__WXGTK__)
77
78 // NB: It is not recommended to use wxDialog as popup on wxGTK, because of
79 // this bug: If wxDialog is hidden, its position becomes corrupt
80 // between hide and next show, but without internal coordinates being
81 // reflected (or something like that - atleast commenting out ->Hide()
82 // seemed to eliminate the position change).
83
84 #include "wx/dialog.h"
85 #define wxCC_GENERIC_TLW_IS_DIALOG
86 #define wxComboCtrlGenericTLW wxDialog
87
88 #include "wx/gtk/private.h"
89
90 // NB: Let's not be afraid to use wxGTK's wxPopupTransientWindow as a
91 // 'perfect' popup, as it can succesfully host child controls even in
92 // popups that are shown in modal dialogs.
93
94 #define USE_TRANSIENT_POPUP 1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
95 #define TRANSIENT_POPUPWIN_IS_PERFECT 1 // wxPopupTransientWindow works, its child can have focus, and common
96 // native controls work on it like normal.
97 #define POPUPWIN_IS_PERFECT 1 // Same, but for non-transient popup window.
98 #define TEXTCTRL_TEXT_CENTERED 1 // 1 if text in textctrl is vertically centered
99 #define FOCUS_RING 0 // No focus ring on wxGTK
100
101 #elif defined(__WXMAC__)
102
103 #include "wx/nonownedwnd.h"
104 #define wxCC_GENERIC_TLW_IS_NONOWNEDWINDOW
105 #define wxComboCtrlGenericTLW wxNonOwnedWindow
106
107 #define USE_TRANSIENT_POPUP 1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
108 #define TRANSIENT_POPUPWIN_IS_PERFECT 1 // wxPopupTransientWindow works, its child can have focus, and common
109 // native controls work on it like normal.
110 #define POPUPWIN_IS_PERFECT 1 // Same, but for non-transient popup window.
111 #define TEXTCTRL_TEXT_CENTERED 1 // 1 if text in textctrl is vertically centered
112 #define FOCUS_RING 3 // Reserve room for the textctrl's focus ring to display
113
114 #undef DEFAULT_DROPBUTTON_WIDTH
115 #define DEFAULT_DROPBUTTON_WIDTH 22
116 #undef COMBO_MARGIN
117 #define COMBO_MARGIN FOCUS_RING
118
119 #else
120
121 #include "wx/dialog.h"
122 #define wxCC_GENERIC_TLW_IS_DIALOG
123 #define wxComboCtrlGenericTLW wxDialog
124
125 #define USE_TRANSIENT_POPUP 0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
126 #define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
127 // native controls work on it like normal.
128 #define POPUPWIN_IS_PERFECT 0 // Same, but for non-transient popup window.
129 #define TEXTCTRL_TEXT_CENTERED 1 // 1 if text in textctrl is vertically centered
130 #define FOCUS_RING 0
131
132 #endif
133
134
135 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
136 // what the wxUSE_POPUPWIN says.
137 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
138 #if (!defined(__WXMSW__) && !defined(__WXGTK__) && !defined(__WXMAC__)) || defined(__WXWINCE__)
139 #undef wxUSE_POPUPWIN
140 #define wxUSE_POPUPWIN 0
141 #endif
142
143
144 #if wxUSE_POPUPWIN
145 #include "wx/popupwin.h"
146 #else
147 #undef USE_TRANSIENT_POPUP
148 #define USE_TRANSIENT_POPUP 0
149 #endif
150
151
152 // Define different types of popup windows
153 enum
154 {
155 POPUPWIN_NONE = 0,
156 POPUPWIN_WXPOPUPTRANSIENTWINDOW = 1,
157 POPUPWIN_WXPOPUPWINDOW = 2,
158 POPUPWIN_GENERICTLW = 3
159 };
160
161
162 #if USE_TRANSIENT_POPUP
163 // wxPopupTransientWindow is implemented
164
165 #define wxComboPopupWindowBase wxPopupTransientWindow
166 #define PRIMARY_POPUP_TYPE POPUPWIN_WXPOPUPTRANSIENTWINDOW
167 #define USES_WXPOPUPTRANSIENTWINDOW 1
168
169 #if TRANSIENT_POPUPWIN_IS_PERFECT
170 //
171 #elif POPUPWIN_IS_PERFECT
172 #define wxComboPopupWindowBase2 wxPopupWindow
173 #define SECONDARY_POPUP_TYPE POPUPWIN_WXPOPUPWINDOW
174 #define USES_WXPOPUPWINDOW 1
175 #else
176 #define wxComboPopupWindowBase2 wxComboCtrlGenericTLW
177 #define SECONDARY_POPUP_TYPE POPUPWIN_GENERICTLW
178 #define USES_GENERICTLW 1
179 #endif
180
181 #elif wxUSE_POPUPWIN
182 // wxPopupWindow (but not wxPopupTransientWindow) is properly implemented
183
184 #define wxComboPopupWindowBase wxPopupWindow
185 #define PRIMARY_POPUP_TYPE POPUPWIN_WXPOPUPWINDOW
186 #define USES_WXPOPUPWINDOW 1
187
188 #if !POPUPWIN_IS_PERFECT
189 #define wxComboPopupWindowBase2 wxComboCtrlGenericTLW
190 #define SECONDARY_POPUP_TYPE POPUPWIN_GENERICTLW
191 #define USES_GENERICTLW 1
192 #endif
193
194 #else
195 // wxPopupWindow is not implemented
196
197 #define wxComboPopupWindowBase wxComboCtrlGenericTLW
198 #define PRIMARY_POPUP_TYPE POPUPWIN_GENERICTLW
199 #define USES_GENERICTLW 1
200
201 #endif
202
203
204 #ifndef USES_WXPOPUPTRANSIENTWINDOW
205 #define USES_WXPOPUPTRANSIENTWINDOW 0
206 #endif
207
208 #ifndef USES_WXPOPUPWINDOW
209 #define USES_WXPOPUPWINDOW 0
210 #endif
211
212 #ifndef USES_GENERICTLW
213 #define USES_GENERICTLW 0
214 #endif
215
216
217 #if USES_WXPOPUPWINDOW
218 #define INSTALL_TOPLEV_HANDLER 1
219 #else
220 #define INSTALL_TOPLEV_HANDLER 0
221 #endif
222
223
224 //
225 // ** TODO **
226 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
227 //
228
229
230 // ----------------------------------------------------------------------------
231 // wxComboFrameEventHandler takes care of hiding the popup when events happen
232 // in its top level parent.
233 // ----------------------------------------------------------------------------
234
235 #if INSTALL_TOPLEV_HANDLER
236
237 //
238 // This will no longer be necessary after wxTransientPopupWindow
239 // works well on all platforms.
240 //
241
242 class wxComboFrameEventHandler : public wxEvtHandler
243 {
244 public:
245 wxComboFrameEventHandler( wxComboCtrlBase* pCb );
246 virtual ~wxComboFrameEventHandler();
247
248 void OnPopup();
249
250 void OnIdle( wxIdleEvent& event );
251 void OnMouseEvent( wxMouseEvent& event );
252 void OnActivate( wxActivateEvent& event );
253 void OnResize( wxSizeEvent& event );
254 void OnMove( wxMoveEvent& event );
255 void OnMenuEvent( wxMenuEvent& event );
256 void OnClose( wxCloseEvent& event );
257
258 protected:
259 wxWindow* m_focusStart;
260 wxComboCtrlBase* m_combo;
261
262 private:
263 DECLARE_EVENT_TABLE()
264 };
265
266 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
267 EVT_IDLE(wxComboFrameEventHandler::OnIdle)
268 EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
269 EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
270 EVT_SIZE(wxComboFrameEventHandler::OnResize)
271 EVT_MOVE(wxComboFrameEventHandler::OnMove)
272 EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
273 EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
274 EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
275 EVT_CLOSE(wxComboFrameEventHandler::OnClose)
276 END_EVENT_TABLE()
277
278 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
279 : wxEvtHandler()
280 {
281 m_combo = combo;
282 }
283
284 wxComboFrameEventHandler::~wxComboFrameEventHandler()
285 {
286 }
287
288 void wxComboFrameEventHandler::OnPopup()
289 {
290 m_focusStart = ::wxWindow::FindFocus();
291 }
292
293 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
294 {
295 wxWindow* winFocused = ::wxWindow::FindFocus();
296
297 wxWindow* popup = m_combo->GetPopupControl()->GetControl();
298 wxWindow* winpopup = m_combo->GetPopupWindow();
299
300 if (
301 winFocused != m_focusStart &&
302 winFocused != popup &&
303 winFocused->GetParent() != popup &&
304 winFocused != winpopup &&
305 winFocused->GetParent() != winpopup &&
306 winFocused != m_combo &&
307 winFocused != m_combo->GetButton() // GTK (atleast) requires this
308 )
309 {
310 m_combo->HidePopup(true);
311 }
312
313 event.Skip();
314 }
315
316 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
317 {
318 m_combo->HidePopup(true);
319 event.Skip();
320 }
321
322 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
323 {
324 m_combo->HidePopup(true);
325 event.Skip();
326 }
327
328 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
329 {
330 m_combo->HidePopup(true);
331 event.Skip();
332 }
333
334 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
335 {
336 m_combo->HidePopup(true);
337 event.Skip();
338 }
339
340 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
341 {
342 m_combo->HidePopup(true);
343 event.Skip();
344 }
345
346 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
347 {
348 m_combo->HidePopup(true);
349 event.Skip();
350 }
351
352 #endif // INSTALL_TOPLEV_HANDLER
353
354 // ----------------------------------------------------------------------------
355 // wxComboPopupWindow is, in essence, wxPopupWindow customized for
356 // wxComboCtrl.
357 // ----------------------------------------------------------------------------
358
359 class wxComboPopupWindow : public wxComboPopupWindowBase
360 {
361 public:
362
363 wxComboPopupWindow( wxComboCtrlBase *parent,
364 int style )
365 #if USES_WXPOPUPWINDOW || USES_WXPOPUPTRANSIENTWINDOW
366 : wxComboPopupWindowBase(parent,style)
367 #else
368 : wxComboPopupWindowBase(parent,
369 wxID_ANY,
370 wxEmptyString,
371 wxPoint(-21,-21),
372 wxSize(20,20),
373 style)
374 #endif
375 {
376 m_inShow = 0;
377 }
378
379 #if USES_WXPOPUPTRANSIENTWINDOW
380 virtual bool Show( bool show );
381 virtual bool ProcessLeftDown(wxMouseEvent& event);
382 protected:
383 virtual void OnDismiss();
384 #endif
385
386 private:
387 wxByte m_inShow;
388 };
389
390
391 #if USES_WXPOPUPTRANSIENTWINDOW
392 bool wxComboPopupWindow::Show( bool show )
393 {
394 // Guard against recursion
395 if ( m_inShow )
396 return wxComboPopupWindowBase::Show(show);
397
398 m_inShow++;
399
400 wxASSERT( IsKindOf(CLASSINFO(wxPopupTransientWindow)) );
401
402 wxPopupTransientWindow* ptw = (wxPopupTransientWindow*) this;
403
404 if ( show != ptw->IsShown() )
405 {
406 if ( show )
407 // We used to do wxPopupTransientWindow::Popup here,
408 // but this would hide normal Show, which we are
409 // also going to need.
410 ptw->Show();
411 else
412 ptw->Dismiss();
413 }
414
415 m_inShow--;
416
417 return true;
418 }
419
420 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event)
421 {
422 return wxPopupTransientWindow::ProcessLeftDown(event);
423 }
424
425 // First thing that happens when a transient popup closes is that this method gets called.
426 void wxComboPopupWindow::OnDismiss()
427 {
428 wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
429 wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
430 wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
431
432 combo->OnPopupDismiss(true);
433 }
434 #endif // USES_WXPOPUPTRANSIENTWINDOW
435
436
437 // ----------------------------------------------------------------------------
438 // wxComboPopupWindowEvtHandler does bulk of the custom event handling
439 // of a popup window. It is separate so we can have different types
440 // of popup windows.
441 // ----------------------------------------------------------------------------
442
443 class wxComboPopupWindowEvtHandler : public wxEvtHandler
444 {
445 public:
446
447 wxComboPopupWindowEvtHandler( wxComboCtrlBase *parent )
448 {
449 m_combo = parent;
450 }
451
452 void OnSizeEvent( wxSizeEvent& event );
453 void OnKeyEvent(wxKeyEvent& event);
454 #if USES_GENERICTLW
455 void OnActivate( wxActivateEvent& event );
456 #endif
457
458 private:
459 wxComboCtrlBase* m_combo;
460
461 DECLARE_EVENT_TABLE()
462 };
463
464
465 BEGIN_EVENT_TABLE(wxComboPopupWindowEvtHandler, wxEvtHandler)
466 EVT_KEY_DOWN(wxComboPopupWindowEvtHandler::OnKeyEvent)
467 EVT_KEY_UP(wxComboPopupWindowEvtHandler::OnKeyEvent)
468 EVT_CHAR(wxComboPopupWindowEvtHandler::OnKeyEvent)
469 #if USES_GENERICTLW
470 EVT_ACTIVATE(wxComboPopupWindowEvtHandler::OnActivate)
471 #endif
472 EVT_SIZE(wxComboPopupWindowEvtHandler::OnSizeEvent)
473 END_EVENT_TABLE()
474
475
476 void wxComboPopupWindowEvtHandler::OnSizeEvent( wxSizeEvent& WXUNUSED(event) )
477 {
478 // Block the event so that the popup control does not get auto-resized.
479 }
480
481 void wxComboPopupWindowEvtHandler::OnKeyEvent( wxKeyEvent& event )
482 {
483 // Relay keyboard event to the main child controls
484 wxWindowList children = m_combo->GetPopupWindow()->GetChildren();
485 wxWindowList::iterator node = children.begin();
486 wxWindow* child = (wxWindow*)*node;
487 child->GetEventHandler()->ProcessEvent(event);
488 }
489
490 #if USES_GENERICTLW
491 void wxComboPopupWindowEvtHandler::OnActivate( wxActivateEvent& event )
492 {
493 if ( !event.GetActive() )
494 {
495 // Tell combo control that we are dismissed.
496 m_combo->HidePopup(true);
497
498 event.Skip();
499 }
500 }
501 #endif
502
503
504 // ----------------------------------------------------------------------------
505 // wxComboPopup
506 //
507 // ----------------------------------------------------------------------------
508
509 wxComboPopup::~wxComboPopup()
510 {
511 }
512
513 void wxComboPopup::OnPopup()
514 {
515 }
516
517 void wxComboPopup::OnDismiss()
518 {
519 }
520
521 wxComboCtrl* wxComboPopup::GetComboCtrl() const
522 {
523 return wxStaticCast(m_combo, wxComboCtrl);
524 }
525
526 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
527 int prefHeight,
528 int WXUNUSED(maxHeight) )
529 {
530 return wxSize(minWidth,prefHeight);
531 }
532
533 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
534 wxDC& dc, const wxRect& rect )
535 {
536 if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
537 {
538 combo->PrepareBackground(dc,rect,0);
539
540 dc.DrawText( combo->GetValue(),
541 rect.x + combo->m_marginLeft,
542 (rect.height-dc.GetCharHeight())/2 + rect.y );
543 }
544 }
545
546 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
547 {
548 DefaultPaintComboControl(m_combo,dc,rect);
549 }
550
551 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
552 {
553 event.Skip();
554 }
555
556 void wxComboPopup::OnComboCharEvent( wxKeyEvent& event )
557 {
558 event.Skip();
559 }
560
561 void wxComboPopup::OnComboDoubleClick()
562 {
563 }
564
565 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
566 {
567 }
568
569 bool wxComboPopup::LazyCreate()
570 {
571 return false;
572 }
573
574 void wxComboPopup::Dismiss()
575 {
576 m_combo->HidePopup(true);
577 }
578
579 // ----------------------------------------------------------------------------
580 // input handling
581 // ----------------------------------------------------------------------------
582
583 //
584 // This is pushed to the event handler queue of the child textctrl.
585 //
586 class wxComboBoxExtraInputHandler : public wxEvtHandler
587 {
588 public:
589
590 wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
591 : wxEvtHandler()
592 {
593 m_combo = combo;
594 }
595 virtual ~wxComboBoxExtraInputHandler() { }
596 void OnKey(wxKeyEvent& event);
597 void OnFocus(wxFocusEvent& event);
598
599 protected:
600 wxComboCtrlBase* m_combo;
601
602 private:
603 DECLARE_EVENT_TABLE()
604 };
605
606
607 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
608 EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
609 EVT_KEY_UP(wxComboBoxExtraInputHandler::OnKey)
610 EVT_CHAR(wxComboBoxExtraInputHandler::OnKey)
611 EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
612 EVT_KILL_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
613 END_EVENT_TABLE()
614
615
616 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
617 {
618 // Let the wxComboCtrl event handler have a go first.
619 wxComboCtrlBase* combo = m_combo;
620
621 wxKeyEvent redirectedEvent(event);
622 redirectedEvent.SetId(combo->GetId());
623 redirectedEvent.SetEventObject(combo);
624
625 if ( !combo->GetEventHandler()->ProcessEvent(redirectedEvent) )
626 {
627 // Don't let TAB through to the text ctrl - looks ugly
628 if ( event.GetKeyCode() != WXK_TAB )
629 event.Skip();
630 }
631 }
632
633 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
634 {
635 // FIXME: This code does run when control is clicked,
636 // yet on Windows it doesn't select all the text.
637 if ( event.GetEventType() == wxEVT_SET_FOCUS &&
638 !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
639 {
640 if ( m_combo->GetTextCtrl() )
641 m_combo->GetTextCtrl()->SelectAll();
642 else
643 m_combo->SetSelection(-1,-1);
644 }
645
646 // Send focus indication to parent.
647 // NB: This is needed for cases where the textctrl gets focus
648 // instead of its parent. While this may trigger multiple
649 // wxEVT_SET_FOCUSes (since m_text->SetFocus is called
650 // from combo's focus event handler), they should be quite
651 // harmless.
652 wxFocusEvent evt2(event.GetEventType(),m_combo->GetId());
653 evt2.SetEventObject(m_combo);
654 m_combo->GetEventHandler()->ProcessEvent(evt2);
655
656 event.Skip();
657 }
658
659
660 //
661 // This is pushed to the event handler queue of the control in popup.
662 //
663
664 class wxComboPopupEvtHandler : public wxEvtHandler
665 {
666 public:
667
668 wxComboPopupEvtHandler( wxComboCtrlBase* combo )
669 : wxEvtHandler()
670 {
671 m_combo = combo;
672 m_beenInside = false;
673
674 // Let's make it so that the popup control will not receive mouse
675 // events until mouse left button has been up.
676 m_blockEventsToPopup = true;
677 }
678 virtual ~wxComboPopupEvtHandler() { }
679
680 void OnMouseEvent( wxMouseEvent& event );
681
682 // Called from wxComboCtrlBase::OnPopupDismiss
683 void OnPopupDismiss()
684 {
685 m_beenInside = false;
686 m_blockEventsToPopup = true;
687 }
688
689 protected:
690 wxComboCtrlBase* m_combo;
691
692 bool m_beenInside;
693 bool m_blockEventsToPopup;
694
695 private:
696 DECLARE_EVENT_TABLE()
697 };
698
699
700 BEGIN_EVENT_TABLE(wxComboPopupEvtHandler, wxEvtHandler)
701 EVT_MOUSE_EVENTS(wxComboPopupEvtHandler::OnMouseEvent)
702 END_EVENT_TABLE()
703
704
705 void wxComboPopupEvtHandler::OnMouseEvent( wxMouseEvent& event )
706 {
707 wxPoint pt = event.GetPosition();
708 wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
709 int evtType = event.GetEventType();
710 bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
711 bool relayToButton = false;
712
713 event.Skip();
714
715 if ( !isInside || !m_combo->IsPopupShown() )
716 {
717 // Mouse is outside the popup or popup is not actually shown (yet)
718
719 if ( evtType == wxEVT_MOTION ||
720 evtType == wxEVT_LEFT_DOWN ||
721 evtType == wxEVT_LEFT_UP ||
722 evtType == wxEVT_RIGHT_DOWN )
723 {
724 // Block motion and click events outside the popup
725 event.Skip(false);
726 }
727 }
728 else
729 {
730 // Mouse is inside the popup, which is fully shown
731
732 m_beenInside = true;
733
734 // Do not let the popup control respond to mouse events until
735 // mouse press used to display the popup has been lifted. This
736 // is important for users with slower mouse fingers or mouse
737 // drivers. Note that we have some redundancy here, just in
738 // case the popup is some native control that does not emit all
739 // mouse event types.
740 if ( evtType == wxEVT_MOTION )
741 {
742 if ( m_blockEventsToPopup )
743 {
744 if ( event.LeftIsDown() )
745 event.Skip(false);
746 else
747 m_blockEventsToPopup = false;
748 }
749 }
750 else if ( evtType == wxEVT_LEFT_DOWN )
751 {
752 if ( m_blockEventsToPopup )
753 m_blockEventsToPopup = false;
754 }
755 else if ( evtType == wxEVT_LEFT_UP )
756 {
757 if ( m_blockEventsToPopup )
758 {
759 // On first left up, stop blocking mouse events (but still
760 // block this one)
761 m_blockEventsToPopup = false;
762 event.Skip(false);
763
764 // Also, this button press was (probably) used to display
765 // the popup, so relay it back to the drop-down button
766 // (which supposedly originated it). This is necessary to
767 // refresh it properly.
768 relayToButton = true;
769 }
770 }
771 else if ( m_blockEventsToPopup )
772 {
773 event.Skip(false);
774 }
775 }
776
777 //
778 // Some mouse events to popup that happen outside it, before cursor
779 // has been inside the popup, need to be ignored by it but relayed to
780 // the dropbutton.
781 //
782 if ( evtType == wxEVT_LEFT_UP )
783 {
784 if ( !m_combo->IsPopupShown() )
785 {
786 event.Skip(false);
787 relayToButton = true;
788 }
789 else if ( !isInside && !m_beenInside )
790 {
791 // Popup is shown but the cursor is not inside, nor it has been
792 relayToButton = true;
793 }
794 }
795
796 if ( relayToButton )
797 {
798 wxWindow* btn = m_combo->GetButton();
799 if ( btn )
800 btn->GetEventHandler()->ProcessEvent(event);
801 else
802 // Bypass the event handling mechanism. Using it would be
803 // confusing for the platform-specific wxComboCtrl
804 // implementations.
805 m_combo->HandleButtonMouseEvent(event, 0);
806 }
807 }
808
809 // ----------------------------------------------------------------------------
810 // wxComboCtrlTextCtrl
811 // ----------------------------------------------------------------------------
812
813 class wxComboCtrlTextCtrl : public wxTextCtrl
814 {
815 public:
816 wxComboCtrlTextCtrl() : wxTextCtrl() { }
817 virtual ~wxComboCtrlTextCtrl() { }
818
819 virtual wxWindow *GetMainWindowOfCompositeControl()
820 {
821 wxComboCtrl* combo = (wxComboCtrl*) GetParent();
822
823 // Returning this instead of just 'parent' lets FindFocus work
824 // correctly even when parent control is a child of a composite
825 // generic control (as is case with wxGenericDatePickerCtrl).
826 return combo->GetMainWindowOfCompositeControl();
827 }
828 };
829
830 // ----------------------------------------------------------------------------
831 // wxComboCtrlBase
832 // ----------------------------------------------------------------------------
833
834
835 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
836 EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
837 EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
838 EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
839 EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
840 EVT_IDLE(wxComboCtrlBase::OnIdleEvent)
841 //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
842 EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
843 EVT_CHAR(wxComboCtrlBase::OnCharEvent)
844 EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
845 EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
846 END_EVENT_TABLE()
847
848
849 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
850
851 void wxComboCtrlBase::Init()
852 {
853 m_winPopup = NULL;
854 m_popup = NULL;
855 m_popupWinState = Hidden;
856 m_btn = NULL;
857 m_text = NULL;
858 m_popupInterface = NULL;
859
860 m_popupEvtHandler = NULL;
861 m_textEvtHandler = NULL;
862
863 #if INSTALL_TOPLEV_HANDLER
864 m_toplevEvtHandler = NULL;
865 #endif
866
867 m_mainCtrlWnd = this;
868
869 m_heightPopup = -1;
870 m_widthMinPopup = -1;
871 m_anchorSide = 0;
872 m_widthCustomPaint = 0;
873 m_widthCustomBorder = 0;
874
875 m_btnState = 0;
876 m_btnWidDefault = 0;
877 m_blankButtonBg = false;
878 m_ignoreEvtText = 0;
879 m_popupWinType = POPUPWIN_NONE;
880 m_btnWid = m_btnHei = -1;
881 m_btnSide = wxRIGHT;
882 m_btnSpacingX = 0;
883
884 m_extLeft = 0;
885 m_extRight = 0;
886 m_marginLeft = -1;
887 m_iFlags = 0;
888 m_timeCanAcceptClick = 0;
889
890 m_resetFocus = false;
891 }
892
893 bool wxComboCtrlBase::Create(wxWindow *parent,
894 wxWindowID id,
895 const wxString& value,
896 const wxPoint& pos,
897 const wxSize& size,
898 long style,
899 const wxValidator& validator,
900 const wxString& name)
901 {
902 if ( !wxControl::Create(parent,
903 id,
904 pos,
905 size,
906 style | wxWANTS_CHARS,
907 validator,
908 name) )
909 return false;
910
911 m_valueString = value;
912
913 // Get colours
914 OnThemeChange();
915 m_marginLeft = GetNativeTextIndent();
916
917 m_iFlags |= wxCC_IFLAG_CREATED;
918
919 // If x and y indicate valid size, wxSizeEvent won't be
920 // emitted automatically, so we need to add artifical one.
921 if ( size.x > 0 && size.y > 0 )
922 {
923 wxSizeEvent evt(size,GetId());
924 GetEventHandler()->AddPendingEvent(evt);
925 }
926
927 return true;
928 }
929
930 void wxComboCtrlBase::InstallInputHandlers()
931 {
932 if ( m_text )
933 {
934 m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
935 m_text->PushEventHandler(m_textEvtHandler);
936 }
937 }
938
939 void
940 wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
941 {
942 if ( !(m_windowStyle & wxCB_READONLY) )
943 {
944 if ( m_text )
945 m_text->Destroy();
946
947 // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
948 // not used by the wxPropertyGrid and therefore the tab is processed by
949 // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
950 // navigation event is then sent to the wrong window.
951 style |= wxTE_PROCESS_TAB;
952
953 if ( HasFlag(wxTE_PROCESS_ENTER) )
954 style |= wxTE_PROCESS_ENTER;
955
956 // Ignore EVT_TEXT generated by the constructor (but only
957 // if the event redirector already exists)
958 // NB: This must be " = 1" instead of "++";
959 if ( m_textEvtHandler )
960 m_ignoreEvtText = 1;
961 else
962 m_ignoreEvtText = 0;
963
964 m_text = new wxComboCtrlTextCtrl();
965 m_text->Create(this, wxID_ANY, m_valueString,
966 wxDefaultPosition, wxSize(10,-1),
967 style, validator);
968 m_text->SetHint(m_hintText);
969 }
970 }
971
972 void wxComboCtrlBase::OnThemeChange()
973 {
974 // Leave the default bg on the Mac so the area used by the focus ring will
975 // be the correct colour and themed brush. Instead we'll use
976 // wxSYS_COLOUR_WINDOW in the EVT_PAINT handler as needed.
977 #ifndef __WXMAC__
978 #if defined(__WXMSW__) || defined(__WXGTK__)
979 wxVisualAttributes vattrs = wxComboBox::GetClassDefaultAttributes();
980 #else
981 wxVisualAttributes vattrs;
982 vattrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
983 vattrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
984 #endif
985
986 // Only change the colours if application has not specified
987 // custom ones.
988 if ( !m_hasFgCol )
989 {
990 SetOwnForegroundColour(vattrs.colFg);
991 m_hasFgCol = false;
992 }
993 if ( !m_hasBgCol )
994 {
995 SetOwnBackgroundColour(vattrs.colBg);
996 m_hasBgCol = false;
997 }
998 #endif // !__WXMAC__
999 }
1000
1001 wxComboCtrlBase::~wxComboCtrlBase()
1002 {
1003 if ( HasCapture() )
1004 ReleaseMouse();
1005
1006 #if INSTALL_TOPLEV_HANDLER
1007 delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
1008 m_toplevEvtHandler = NULL;
1009 #endif
1010
1011 DestroyPopup();
1012
1013 if ( m_text )
1014 m_text->RemoveEventHandler(m_textEvtHandler);
1015
1016 delete m_textEvtHandler;
1017 }
1018
1019
1020 // ----------------------------------------------------------------------------
1021 // geometry stuff
1022 // ----------------------------------------------------------------------------
1023
1024 // Recalculates button and textctrl areas
1025 void wxComboCtrlBase::CalculateAreas( int btnWidth )
1026 {
1027 wxSize sz = GetClientSize();
1028 int customBorder = m_widthCustomBorder;
1029 int btnBorder; // border for button only
1030
1031 // check if button should really be outside the border: we'll do it it if
1032 // its platform default or bitmap+pushbutton background is used, but not if
1033 // there is vertical size adjustment or horizontal spacing.
1034 if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
1035 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
1036 m_btnSpacingX == 0 &&
1037 m_btnHei <= 0 )
1038 {
1039 m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
1040 btnBorder = 0;
1041 }
1042 else if ( (m_iFlags & wxCC_BUTTON_COVERS_BORDER) &&
1043 m_btnSpacingX == 0 && !m_bmpNormal.Ok() )
1044 {
1045 m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
1046 btnBorder = 0;
1047 }
1048 else
1049 {
1050 m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
1051 btnBorder = customBorder;
1052 }
1053
1054 // Defaul indentation
1055 if ( m_marginLeft < 0 )
1056 m_marginLeft = GetNativeTextIndent();
1057
1058 int butWidth = btnWidth;
1059
1060 if ( butWidth <= 0 )
1061 butWidth = m_btnWidDefault;
1062 else
1063 m_btnWidDefault = butWidth;
1064
1065 if ( butWidth <= 0 )
1066 return;
1067
1068 int butHeight = sz.y - btnBorder*2;
1069
1070 // Adjust button width
1071 if ( m_btnWid > 0 )
1072 butWidth = m_btnWid;
1073 else
1074 {
1075 // Adjust button width to match aspect ratio
1076 // (but only if control is smaller than best size).
1077 int bestHeight = GetBestSize().y;
1078 int height = GetSize().y;
1079
1080 if ( height < bestHeight )
1081 {
1082 // Make very small buttons square, as it makes
1083 // them accommodate arrow image better and still
1084 // looks decent.
1085 if ( height > 18 )
1086 butWidth = (height*butWidth)/bestHeight;
1087 else
1088 butWidth = butHeight;
1089 }
1090 }
1091
1092 // Adjust button height
1093 if ( m_btnHei > 0 )
1094 butHeight = m_btnHei;
1095
1096 // Use size of normal bitmap if...
1097 // It is larger
1098 // OR
1099 // button width is set to default and blank button bg is not drawn
1100 if ( m_bmpNormal.Ok() )
1101 {
1102 int bmpReqWidth = m_bmpNormal.GetWidth();
1103 int bmpReqHeight = m_bmpNormal.GetHeight();
1104
1105 // If drawing blank button background, we need to add some margin.
1106 if ( m_blankButtonBg )
1107 {
1108 bmpReqWidth += BMP_BUTTON_MARGIN*2;
1109 bmpReqHeight += BMP_BUTTON_MARGIN*2;
1110 }
1111
1112 if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
1113 butWidth = bmpReqWidth;
1114 if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
1115 butHeight = bmpReqHeight;
1116
1117 // Need to fix height?
1118 if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
1119 {
1120 int newY = butHeight+(customBorder*2);
1121 SetClientSize(wxDefaultCoord,newY);
1122 if ( m_bmpNormal.Ok() || m_btnArea.width != butWidth || m_btnArea.height != butHeight )
1123 m_iFlags |= wxCC_IFLAG_HAS_NONSTANDARD_BUTTON;
1124 else
1125 m_iFlags &= ~wxCC_IFLAG_HAS_NONSTANDARD_BUTTON;
1126
1127 sz.y = newY;
1128 }
1129 }
1130
1131 int butAreaWid = butWidth + (m_btnSpacingX*2);
1132
1133 m_btnSize.x = butWidth;
1134 m_btnSize.y = butHeight;
1135
1136 m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
1137 m_btnArea.y = btnBorder + FOCUS_RING;
1138 m_btnArea.width = butAreaWid;
1139 m_btnArea.height = sz.y - ((btnBorder+FOCUS_RING)*2);
1140
1141 m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder + FOCUS_RING;
1142 m_tcArea.y = customBorder + FOCUS_RING;
1143 m_tcArea.width = sz.x - butAreaWid - (customBorder*2) - (FOCUS_RING*2);
1144 m_tcArea.height = sz.y - ((customBorder+FOCUS_RING)*2);
1145
1146 /*
1147 if ( m_text )
1148 {
1149 ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
1150 wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
1151 }
1152 */
1153 }
1154
1155 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
1156 {
1157 if ( !m_text )
1158 return;
1159
1160 wxSize sz = GetClientSize();
1161
1162 int customBorder = m_widthCustomBorder;
1163 if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
1164 {
1165 int x;
1166
1167 if ( !m_widthCustomPaint )
1168 {
1169 // No special custom paint area - we can use 0 left margin
1170 // with wxTextCtrl.
1171 if ( m_text->SetMargins(0) )
1172 textCtrlXAdjust = 0;
1173 x = m_tcArea.x + m_marginLeft + textCtrlXAdjust;
1174 }
1175 else
1176 {
1177 // There is special custom paint area - it is better to
1178 // use some margin with the wxTextCtrl.
1179 m_text->SetMargins(m_marginLeft);
1180 x = m_tcArea.x + m_widthCustomPaint +
1181 m_marginLeft + textCtrlXAdjust;
1182 }
1183
1184 // Centre textctrl vertically, if needed
1185 #if !TEXTCTRL_TEXT_CENTERED
1186 int tcSizeY = m_text->GetBestSize().y;
1187 int diff0 = sz.y - tcSizeY;
1188 int y = textCtrlYAdjust + (diff0/2);
1189 #else
1190 wxUnusedVar(textCtrlYAdjust);
1191 int y = 0;
1192 #endif
1193
1194 if ( y < customBorder )
1195 y = customBorder;
1196
1197 m_text->SetSize(x,
1198 y,
1199 m_tcArea.width - m_tcArea.x - x,
1200 -1 );
1201
1202 // Make sure textctrl doesn't exceed the bottom custom border
1203 wxSize tsz = m_text->GetSize();
1204 int diff1 = (y + tsz.y) - (sz.y - customBorder);
1205 if ( diff1 >= 0 )
1206 {
1207 tsz.y = tsz.y - diff1 - 1;
1208 m_text->SetSize(tsz);
1209 }
1210 }
1211 else
1212 {
1213 // If it has border, have textctrl fill the entire text field.
1214 m_text->SetSize( m_tcArea.x + m_widthCustomPaint,
1215 m_tcArea.y,
1216 m_tcArea.width - m_widthCustomPaint,
1217 m_tcArea.height );
1218 }
1219 }
1220
1221 wxSize wxComboCtrlBase::DoGetBestSize() const
1222 {
1223 wxSize sizeText(150,0);
1224
1225 if ( m_text )
1226 sizeText = m_text->GetBestSize();
1227
1228 // TODO: Better method to calculate close-to-native control height.
1229
1230 int fhei;
1231 if ( m_font.Ok() )
1232 fhei = (m_font.GetPointSize()*2) + 5;
1233 else if ( wxNORMAL_FONT->Ok() )
1234 fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
1235 else
1236 fhei = sizeText.y + 4;
1237
1238 // Need to force height to accomodate bitmap?
1239 int btnSizeY = m_btnSize.y;
1240 if ( m_bmpNormal.Ok() && fhei < btnSizeY )
1241 fhei = btnSizeY;
1242
1243 // Control height doesn't depend on border
1244 /*
1245 // Add border
1246 int border = m_windowStyle & wxBORDER_MASK;
1247 if ( border == wxSIMPLE_BORDER )
1248 fhei += 2;
1249 else if ( border == wxNO_BORDER )
1250 fhei += (m_widthCustomBorder*2);
1251 else
1252 // Sunken etc.
1253 fhei += 4;
1254 */
1255
1256 // Final adjustments
1257 #ifdef __WXGTK__
1258 fhei += 1;
1259 #endif
1260
1261 #ifdef __WXMAC__
1262 // these are the numbers from the HIG:
1263 switch ( m_windowVariant )
1264 {
1265 case wxWINDOW_VARIANT_NORMAL:
1266 default :
1267 fhei = 22;
1268 break;
1269 case wxWINDOW_VARIANT_SMALL:
1270 fhei = 19;
1271 break;
1272 case wxWINDOW_VARIANT_MINI:
1273 fhei = 15;
1274 break;
1275 }
1276 #endif
1277
1278 fhei += 2 * FOCUS_RING;
1279 int width = sizeText.x + FOCUS_RING + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH;
1280
1281 wxSize ret(width, fhei);
1282 CacheBestSize(ret);
1283 return ret;
1284 }
1285
1286 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
1287 {
1288 if ( !IsCreated() )
1289 return;
1290
1291 // defined by actual wxComboCtrls
1292 OnResize();
1293
1294 event.Skip();
1295 }
1296
1297 // ----------------------------------------------------------------------------
1298 // standard operations
1299 // ----------------------------------------------------------------------------
1300
1301 bool wxComboCtrlBase::Enable(bool enable)
1302 {
1303 if ( !wxControl::Enable(enable) )
1304 return false;
1305
1306 if ( m_btn )
1307 m_btn->Enable(enable);
1308 if ( m_text )
1309 m_text->Enable(enable);
1310
1311 Refresh();
1312
1313 return true;
1314 }
1315
1316 bool wxComboCtrlBase::Show(bool show)
1317 {
1318 if ( !wxControl::Show(show) )
1319 return false;
1320
1321 if (m_btn)
1322 m_btn->Show(show);
1323
1324 if (m_text)
1325 m_text->Show(show);
1326
1327 return true;
1328 }
1329
1330 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1331 {
1332 if ( !wxControl::SetFont(font) )
1333 return false;
1334
1335 if ( m_text )
1336 {
1337 // Without hiding the wxTextCtrl there would be some
1338 // visible 'flicker' (at least on Windows XP).
1339 m_text->Hide();
1340 m_text->SetFont(font);
1341 OnResize();
1342 m_text->Show();
1343 }
1344
1345 return true;
1346 }
1347
1348 #if wxUSE_TOOLTIPS
1349 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1350 {
1351 wxControl::DoSetToolTip(tooltip);
1352
1353 // Set tool tip for button and text box
1354 if ( tooltip )
1355 {
1356 const wxString &tip = tooltip->GetTip();
1357 if ( m_text ) m_text->SetToolTip(tip);
1358 if ( m_btn ) m_btn->SetToolTip(tip);
1359 }
1360 else
1361 {
1362 if ( m_text ) m_text->SetToolTip( NULL );
1363 if ( m_btn ) m_btn->SetToolTip( NULL );
1364 }
1365 }
1366 #endif // wxUSE_TOOLTIPS
1367
1368 #if wxUSE_VALIDATORS
1369 void wxComboCtrlBase::SetValidator(const wxValidator& validator)
1370 {
1371 wxTextCtrl* textCtrl = GetTextCtrl();
1372
1373 if ( textCtrl )
1374 textCtrl->SetValidator( validator );
1375 else
1376 wxControl::SetValidator( validator );
1377 }
1378
1379 wxValidator* wxComboCtrlBase::GetValidator()
1380 {
1381 wxTextCtrl* textCtrl = GetTextCtrl();
1382
1383 return textCtrl ? textCtrl->GetValidator() : wxControl::GetValidator();
1384 }
1385 #endif // wxUSE_VALIDATORS
1386
1387 bool wxComboCtrlBase::SetForegroundColour(const wxColour& colour)
1388 {
1389 if ( wxControl::SetForegroundColour(colour) )
1390 {
1391 if ( m_text )
1392 m_text->SetForegroundColour(colour);
1393 return true;
1394 }
1395 return false;
1396 }
1397
1398 bool wxComboCtrlBase::SetBackgroundColour(const wxColour& colour)
1399 {
1400 if ( wxControl::SetBackgroundColour(colour) )
1401 {
1402 if ( m_text )
1403 m_text->SetBackgroundColour(colour);
1404 return true;
1405 }
1406 return false;
1407 }
1408 // ----------------------------------------------------------------------------
1409 // painting
1410 // ----------------------------------------------------------------------------
1411
1412 #if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
1413 // prepare combo box background on area in a way typical on platform
1414 void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
1415 {
1416 wxSize sz = GetClientSize();
1417 bool isEnabled;
1418 bool doDrawFocusRect; // also selected
1419
1420 // For smaller size control (and for disabled background) use less spacing
1421 int focusSpacingX;
1422 int focusSpacingY;
1423
1424 if ( !(flags & wxCONTROL_ISSUBMENU) )
1425 {
1426 // Drawing control
1427 isEnabled = IsEnabled();
1428 doDrawFocusRect = ShouldDrawFocus() && !(m_iFlags & wxCC_FULL_BUTTON);
1429
1430 // Windows-style: for smaller size control (and for disabled background) use less spacing
1431 focusSpacingX = isEnabled ? 2 : 1;
1432 focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1433 }
1434 else
1435 {
1436 // Drawing a list item
1437 isEnabled = true; // they are never disabled
1438 doDrawFocusRect = (flags & wxCONTROL_SELECTED) != 0;
1439
1440 focusSpacingX = 0;
1441 focusSpacingY = 0;
1442 }
1443
1444 // Set the background sub-rectangle for selection, disabled etc
1445 wxRect selRect(rect);
1446 selRect.y += focusSpacingY;
1447 selRect.height -= (focusSpacingY*2);
1448
1449 int wcp = 0;
1450
1451 if ( !(flags & wxCONTROL_ISSUBMENU) )
1452 wcp += m_widthCustomPaint;
1453
1454 selRect.x += wcp + focusSpacingX;
1455 selRect.width -= wcp + (focusSpacingX*2);
1456
1457 wxColour bgCol;
1458 wxColour fgCol;
1459
1460 bool doDrawSelRect = true;
1461
1462 // Determine foreground colour
1463 if ( isEnabled )
1464 {
1465 if ( doDrawFocusRect )
1466 {
1467 fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
1468 }
1469 else if ( m_hasFgCol )
1470 {
1471 // Honour the custom foreground colour
1472 fgCol = GetForegroundColour();
1473 }
1474 else
1475 {
1476 fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1477 }
1478 }
1479 else
1480 {
1481 fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT);
1482 }
1483
1484 // Determine background colour
1485 if ( isEnabled )
1486 {
1487 if ( doDrawFocusRect )
1488 {
1489 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1490 }
1491 else if ( m_hasBgCol )
1492 {
1493 // Honour the custom background colour
1494 bgCol = GetBackgroundColour();
1495 }
1496 else
1497 {
1498 #ifndef __WXMAC__ // see note in OnThemeChange
1499 doDrawSelRect = false;
1500 bgCol = GetBackgroundColour();
1501 #else
1502 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1503 #endif
1504 }
1505 }
1506 else
1507 {
1508 #ifndef __WXMAC__ // see note in OnThemeChange
1509 bgCol = GetBackgroundColour();
1510 #else
1511 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1512 #endif
1513 }
1514
1515 dc.SetTextForeground( fgCol );
1516 dc.SetBrush( bgCol );
1517 if ( doDrawSelRect )
1518 {
1519 dc.SetPen( bgCol );
1520 dc.DrawRectangle( selRect );
1521 }
1522
1523 // Don't clip exactly to the selection rectangle so we can draw
1524 // to the non-selected area in front of it.
1525 wxRect clipRect(rect.x,rect.y,
1526 (selRect.x+selRect.width)-rect.x,rect.height);
1527 dc.SetClippingRegion(clipRect);
1528 }
1529 #else
1530 // Save the library size a bit for platforms that re-implement this.
1531 void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
1532 {
1533 }
1534 #endif
1535
1536 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, int flags )
1537 {
1538 int drawState = m_btnState;
1539
1540 if ( (m_iFlags & wxCC_BUTTON_STAYS_DOWN) &&
1541 GetPopupWindowState() >= Animating )
1542 drawState |= wxCONTROL_PRESSED;
1543
1544 wxRect drawRect(rect.x+m_btnSpacingX,
1545 rect.y+((rect.height-m_btnSize.y)/2),
1546 m_btnSize.x,
1547 m_btnSize.y);
1548
1549 // Make sure area is not larger than the control
1550 if ( drawRect.y < rect.y )
1551 drawRect.y = rect.y;
1552 if ( drawRect.height > rect.height )
1553 drawRect.height = rect.height;
1554
1555 bool enabled = IsEnabled();
1556
1557 if ( !enabled )
1558 drawState |= wxCONTROL_DISABLED;
1559
1560 if ( !m_bmpNormal.Ok() )
1561 {
1562 if ( flags & Button_BitmapOnly )
1563 return;
1564
1565 // Need to clear button background even if m_btn is present
1566 if ( flags & Button_PaintBackground )
1567 {
1568 wxColour bgCol;
1569
1570 if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1571 bgCol = GetParent()->GetBackgroundColour();
1572 else
1573 bgCol = GetBackgroundColour();
1574
1575 dc.SetBrush(bgCol);
1576 dc.SetPen(bgCol);
1577 dc.DrawRectangle(rect);
1578 }
1579
1580 // Draw standard button
1581 wxRendererNative::Get().DrawComboBoxDropButton(this,
1582 dc,
1583 drawRect,
1584 drawState);
1585 }
1586 else
1587 {
1588 // Draw bitmap
1589
1590 wxBitmap* pBmp;
1591
1592 if ( !enabled )
1593 pBmp = &m_bmpDisabled;
1594 else if ( m_btnState & wxCONTROL_PRESSED )
1595 pBmp = &m_bmpPressed;
1596 else if ( m_btnState & wxCONTROL_CURRENT )
1597 pBmp = &m_bmpHover;
1598 else
1599 pBmp = &m_bmpNormal;
1600
1601 if ( m_blankButtonBg )
1602 {
1603 // If using blank button background, we need to clear its background
1604 // with button face colour instead of colour for rest of the control.
1605 if ( flags & Button_PaintBackground )
1606 {
1607 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1608 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1609 dc.SetPen(bgCol);
1610 dc.SetBrush(bgCol);
1611 dc.DrawRectangle(rect);
1612 }
1613
1614 if ( !(flags & Button_BitmapOnly) )
1615 {
1616 wxRendererNative::Get().DrawPushButton(this,
1617 dc,
1618 drawRect,
1619 drawState);
1620 }
1621 }
1622 else
1623
1624 {
1625 // Need to clear button background even if m_btn is present
1626 // (assume non-button background was cleared just before this call so brushes are good)
1627 if ( flags & Button_PaintBackground )
1628 dc.DrawRectangle(rect);
1629 }
1630
1631 // Draw bitmap centered in drawRect
1632 dc.DrawBitmap(*pBmp,
1633 drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1634 drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1635 true);
1636 }
1637 }
1638
1639 void wxComboCtrlBase::RecalcAndRefresh()
1640 {
1641 if ( IsCreated() )
1642 {
1643 wxSizeEvent evt(GetSize(),GetId());
1644 GetEventHandler()->ProcessEvent(evt);
1645 Refresh();
1646 }
1647 }
1648
1649 // ----------------------------------------------------------------------------
1650 // miscellaneous event handlers
1651 // ----------------------------------------------------------------------------
1652
1653 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1654 {
1655 if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
1656 {
1657 if ( m_ignoreEvtText > 0 )
1658 {
1659 m_ignoreEvtText--;
1660 return;
1661 }
1662 }
1663
1664 // Change event id, object and string before relaying it forward
1665 event.SetId(GetId());
1666 wxString s = event.GetString();
1667 event.SetEventObject(this);
1668 event.SetString(s);
1669 event.Skip();
1670 }
1671
1672 // call if cursor is on button area or mouse is captured for the button
1673 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1674 int flags )
1675 {
1676 int type = event.GetEventType();
1677
1678 if ( type == wxEVT_MOTION )
1679 {
1680 if ( (flags & wxCC_MF_ON_BUTTON) &&
1681 IsPopupWindowState(Hidden) )
1682 {
1683 if ( !(m_btnState & wxCONTROL_CURRENT) )
1684 {
1685 // Mouse hover begins
1686 m_btnState |= wxCONTROL_CURRENT;
1687 if ( HasCapture() ) // Retain pressed state.
1688 m_btnState |= wxCONTROL_PRESSED;
1689 Refresh();
1690 }
1691 }
1692 else if ( (m_btnState & wxCONTROL_CURRENT) )
1693 {
1694 // Mouse hover ends
1695 m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1696 Refresh();
1697 }
1698 }
1699 else if ( type == wxEVT_LEFT_DOWN || type == wxEVT_LEFT_DCLICK )
1700 {
1701 if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1702 {
1703 m_btnState |= wxCONTROL_PRESSED;
1704 Refresh();
1705
1706 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1707 OnButtonClick();
1708 else
1709 // If showing popup now, do not capture mouse or there will be interference
1710 CaptureMouse();
1711 }
1712 }
1713 else if ( type == wxEVT_LEFT_UP )
1714 {
1715
1716 // Only accept event if mouse was left-press was previously accepted
1717 if ( HasCapture() )
1718 ReleaseMouse();
1719
1720 if ( m_btnState & wxCONTROL_PRESSED )
1721 {
1722 // If mouse was inside, fire the click event.
1723 if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1724 {
1725 if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1726 OnButtonClick();
1727 }
1728
1729 m_btnState &= ~(wxCONTROL_PRESSED);
1730 Refresh();
1731 }
1732 }
1733 else if ( type == wxEVT_LEAVE_WINDOW )
1734 {
1735 if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1736 {
1737 m_btnState &= ~(wxCONTROL_CURRENT);
1738
1739 // Mouse hover ends
1740 if ( IsPopupWindowState(Hidden) )
1741 {
1742 m_btnState &= ~(wxCONTROL_PRESSED);
1743 Refresh();
1744 }
1745 }
1746 }
1747 else
1748 return false;
1749
1750 // Never have 'hot' state when popup is being shown
1751 // (this is mostly needed because of the animation).
1752 if ( !IsPopupWindowState(Hidden) )
1753 m_btnState &= ~wxCONTROL_CURRENT;
1754
1755 return true;
1756 }
1757
1758 // returns true if event was consumed or filtered
1759 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1760 int WXUNUSED(flags) )
1761 {
1762 wxLongLong t = ::wxGetLocalTimeMillis();
1763 int evtType = event.GetEventType();
1764
1765 #if USES_WXPOPUPWINDOW || USES_GENERICTLW
1766 if ( m_popupWinType != POPUPWIN_WXPOPUPTRANSIENTWINDOW )
1767 {
1768 if ( IsPopupWindowState(Visible) &&
1769 ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
1770 {
1771 HidePopup(true);
1772 return true;
1773 }
1774 }
1775 #endif
1776
1777 // Filter out clicks on button immediately after popup dismiss
1778 if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1779 {
1780 event.SetEventType(0);
1781 return true;
1782 }
1783
1784 return false;
1785 }
1786
1787 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1788 {
1789 int evtType = event.GetEventType();
1790
1791 if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1792 (m_windowStyle & wxCB_READONLY) )
1793 {
1794 if ( GetPopupWindowState() >= Animating )
1795 {
1796 #if USES_WXPOPUPWINDOW
1797 // Click here always hides the popup.
1798 if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
1799 HidePopup(true);
1800 #endif
1801 }
1802 else
1803 {
1804 if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1805 {
1806 // In read-only mode, clicking the text is the
1807 // same as clicking the button.
1808 OnButtonClick();
1809 }
1810 else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1811 {
1812 //if ( m_popupInterface->CycleValue() )
1813 // Refresh();
1814 if ( m_popupInterface )
1815 m_popupInterface->OnComboDoubleClick();
1816 }
1817 }
1818 }
1819 else if ( evtType == wxEVT_MOUSEWHEEL )
1820 {
1821 if ( IsPopupShown() )
1822 {
1823 // relay (some) mouse events to the popup
1824 m_popup->GetEventHandler()->ProcessEvent(event);
1825 }
1826 else if ( event.GetWheelAxis() == 0 &&
1827 event.GetWheelRotation() != 0 &&
1828 event.GetModifiers() == 0 )
1829 {
1830 // Translate mousewheel actions into key up/down. This is
1831 // the simplest way of getting native behaviour: scrolling the
1832 // wheel moves selection up/down by one item.
1833 wxKeyEvent kevent(wxEVT_KEY_DOWN);
1834 kevent.m_keyCode = event.GetWheelRotation() > 0
1835 ? WXK_UP
1836 : WXK_DOWN;
1837 GetEventHandler()->ProcessEvent(kevent);
1838 }
1839 else
1840 {
1841 event.Skip();
1842 }
1843 }
1844 else if ( evtType )
1845 {
1846 event.Skip();
1847 }
1848 }
1849
1850 void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
1851 {
1852 if ( IsPopupShown() )
1853 {
1854 // pass it to the popped up control
1855 GetPopupControl()->GetControl()->GetEventHandler()->ProcessEvent(event);
1856 }
1857 else // no popup
1858 {
1859 wxWindow* mainCtrl = GetMainWindowOfCompositeControl();
1860
1861 if ( mainCtrl->GetParent()->HasFlag(wxTAB_TRAVERSAL) )
1862 {
1863 if ( mainCtrl->HandleAsNavigationKey(event) )
1864 return;
1865 }
1866
1867 if ( IsKeyPopupToggle(event) )
1868 {
1869 OnButtonClick();
1870 return;
1871 }
1872
1873 int comboStyle = GetWindowStyle();
1874 wxComboPopup* popupInterface = GetPopupControl();
1875
1876 if ( !popupInterface )
1877 {
1878 event.Skip();
1879 return;
1880 }
1881
1882 int keycode = event.GetKeyCode();
1883
1884 if ( (comboStyle & wxCB_READONLY) ||
1885 (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
1886 {
1887 popupInterface->OnComboKeyEvent(event);
1888 }
1889 else
1890 event.Skip();
1891 }
1892 }
1893
1894 void wxComboCtrlBase::OnCharEvent(wxKeyEvent& event)
1895 {
1896 if ( IsPopupShown() )
1897 {
1898 // pass it to the popped up control
1899 GetPopupControl()->GetControl()->GetEventHandler()->ProcessEvent(event);
1900 }
1901 else // no popup
1902 {
1903 wxComboPopup* popupInterface = GetPopupControl();
1904 if ( popupInterface )
1905 {
1906 popupInterface->OnComboCharEvent(event);
1907 }
1908 else
1909 {
1910 event.Skip();
1911 }
1912 }
1913 }
1914
1915 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
1916 {
1917 if ( event.GetEventType() == wxEVT_SET_FOCUS )
1918 {
1919 wxWindow* tc = GetTextCtrl();
1920 if ( tc && tc != DoFindFocus() )
1921 {
1922 tc->SetFocus();
1923 }
1924 }
1925
1926 Refresh();
1927 }
1928
1929 void wxComboCtrlBase::OnIdleEvent( wxIdleEvent& WXUNUSED(event) )
1930 {
1931 if ( m_resetFocus )
1932 {
1933 m_resetFocus = false;
1934 wxWindow* tc = GetTextCtrl();
1935 if ( tc )
1936 tc->SetFocus();
1937 }
1938 }
1939
1940 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1941 {
1942 OnThemeChange();
1943 // left margin may also have changed
1944 if ( !(m_iFlags & wxCC_IFLAG_LEFT_MARGIN_SET) )
1945 m_marginLeft = GetNativeTextIndent();
1946 RecalcAndRefresh();
1947 }
1948
1949 // ----------------------------------------------------------------------------
1950 // popup handling
1951 // ----------------------------------------------------------------------------
1952
1953 // Create popup window and the child control
1954 void wxComboCtrlBase::CreatePopup()
1955 {
1956 wxComboPopup* popupInterface = m_popupInterface;
1957 wxWindow* popup;
1958
1959 if ( !m_winPopup )
1960 {
1961 #ifdef wxComboPopupWindowBase2
1962 if ( m_iFlags & wxCC_IFLAG_USE_ALT_POPUP )
1963 {
1964 #if !USES_GENERICTLW
1965 m_winPopup = new wxComboPopupWindowBase2( this, wxNO_BORDER );
1966 #else
1967 int tlwFlags = wxNO_BORDER;
1968 #ifdef wxCC_GENERIC_TLW_IS_FRAME
1969 tlwFlags |= wxFRAME_NO_TASKBAR;
1970 #endif
1971
1972 #ifdef wxCC_GENERIC_TLW_IS_NONOWNEDWINDOW
1973 m_winPopup = new wxComboPopupWindowBase2( this, wxID_ANY,
1974 wxPoint(-21,-21), wxSize(20, 20),
1975 tlwFlags );
1976 #else
1977 m_winPopup = new wxComboPopupWindowBase2( this, wxID_ANY, wxEmptyString,
1978 wxPoint(-21,-21), wxSize(20, 20),
1979 tlwFlags );
1980 #endif
1981 #endif
1982 m_popupWinType = SECONDARY_POPUP_TYPE;
1983 }
1984 else
1985 #endif // wxComboPopupWindowBase2
1986 {
1987 m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1988 m_popupWinType = PRIMARY_POPUP_TYPE;
1989 }
1990 m_popupWinEvtHandler = new wxComboPopupWindowEvtHandler(this);
1991 m_winPopup->PushEventHandler(m_popupWinEvtHandler);
1992 }
1993
1994 popupInterface->Create(m_winPopup);
1995 m_popup = popup = popupInterface->GetControl();
1996
1997 m_popupEvtHandler = new wxComboPopupEvtHandler(this);
1998 popup->PushEventHandler( m_popupEvtHandler );
1999
2000 // This may be helpful on some platforms
2001 // (eg. it bypasses a wxGTK popupwindow bug where
2002 // window is not initially hidden when it should be)
2003 m_winPopup->Hide();
2004
2005 popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
2006 }
2007
2008 // Destroy popup window and the child control
2009 void wxComboCtrlBase::DestroyPopup()
2010 {
2011 HidePopup(true);
2012
2013 if ( m_popup )
2014 m_popup->RemoveEventHandler(m_popupEvtHandler);
2015
2016 delete m_popupEvtHandler;
2017
2018 delete m_popupInterface;
2019
2020 if ( m_winPopup )
2021 {
2022 m_winPopup->RemoveEventHandler(m_popupWinEvtHandler);
2023 delete m_popupWinEvtHandler;
2024 m_popupWinEvtHandler = NULL;
2025 m_winPopup->Destroy();
2026 }
2027
2028 m_popupEvtHandler = NULL;
2029 m_popupInterface = NULL;
2030 m_winPopup = NULL;
2031 m_popup = NULL;
2032 }
2033
2034 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
2035 {
2036 wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
2037
2038 DestroyPopup();
2039
2040 iface->InitBase(this);
2041 iface->Init();
2042
2043 m_popupInterface = iface;
2044
2045 if ( !iface->LazyCreate() )
2046 {
2047 CreatePopup();
2048 }
2049 else
2050 {
2051 m_popup = NULL;
2052 }
2053
2054 // This must be done after creation
2055 if ( m_valueString.length() )
2056 {
2057 iface->SetStringValue(m_valueString);
2058 //Refresh();
2059 }
2060 }
2061
2062 // Ensures there is atleast the default popup
2063 void wxComboCtrlBase::EnsurePopupControl()
2064 {
2065 if ( !m_popupInterface )
2066 SetPopupControl(NULL);
2067 }
2068
2069 void wxComboCtrlBase::OnButtonClick()
2070 {
2071 // Derived classes can override this method for totally custom
2072 // popup action
2073 if ( !IsPopupWindowState(Visible) )
2074 {
2075 wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
2076 event.SetEventObject(this);
2077 HandleWindowEvent(event);
2078
2079 ShowPopup();
2080 }
2081 else
2082 {
2083 HidePopup(true);
2084 }
2085 }
2086
2087 void wxComboCtrlBase::ShowPopup()
2088 {
2089 EnsurePopupControl();
2090 wxCHECK_RET( !IsPopupWindowState(Visible), wxT("popup window already shown") );
2091
2092 if ( IsPopupWindowState(Animating) )
2093 return;
2094
2095 SetFocus();
2096
2097 // Space above and below
2098 int screenHeight;
2099 wxPoint scrPos;
2100 int spaceAbove;
2101 int spaceBelow;
2102 int maxHeightPopup;
2103 wxSize ctrlSz = GetSize();
2104
2105 screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
2106 scrPos = GetParent()->ClientToScreen(GetPosition());
2107
2108 spaceAbove = scrPos.y;
2109 spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
2110
2111 maxHeightPopup = spaceBelow;
2112 if ( spaceAbove > spaceBelow )
2113 maxHeightPopup = spaceAbove;
2114
2115 // Width
2116 int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
2117
2118 if ( widthPopup < m_widthMinPopup )
2119 widthPopup = m_widthMinPopup;
2120
2121 wxWindow* winPopup = m_winPopup;
2122 wxWindow* popup;
2123
2124 // Need to disable tab traversal of parent
2125 //
2126 // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
2127 // by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
2128 // that if transient popup is open, then tab traversal is to be ignored.
2129 // However, I think this code would still be needed for cases where
2130 // transient popup doesn't work yet (wxWinCE?).
2131 wxWindow* mainCtrl = GetMainWindowOfCompositeControl();
2132 wxWindow* parent = mainCtrl->GetParent();
2133 int parentFlags = parent->GetWindowStyle();
2134 if ( parentFlags & wxTAB_TRAVERSAL )
2135 {
2136 parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
2137 m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
2138 }
2139
2140 if ( !winPopup )
2141 {
2142 CreatePopup();
2143 winPopup = m_winPopup;
2144 popup = m_popup;
2145 }
2146 else
2147 {
2148 popup = m_popup;
2149 }
2150
2151 winPopup->Enable();
2152
2153 wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
2154
2155 wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
2156 m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
2157 maxHeightPopup);
2158
2159 popup->SetSize(adjustedSize);
2160 popup->Move(0,0);
2161 m_popupInterface->OnPopup();
2162
2163 //
2164 // Reposition and resize popup window
2165 //
2166
2167 wxSize szp = popup->GetSize();
2168
2169 int popupX;
2170 int popupY = scrPos.y + ctrlSz.y;
2171
2172 // Default anchor is wxLEFT
2173 int anchorSide = m_anchorSide;
2174 if ( !anchorSide )
2175 anchorSide = wxLEFT;
2176
2177 int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
2178 int leftX = scrPos.x - m_extLeft;
2179
2180 if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
2181 leftX -= ctrlSz.x;
2182
2183 int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
2184
2185 // If there is not enough horizontal space, anchor on the other side.
2186 // If there is no space even then, place the popup at x 0.
2187 if ( anchorSide == wxRIGHT )
2188 {
2189 if ( rightX < 0 )
2190 {
2191 if ( (leftX+szp.x) < screenWidth )
2192 anchorSide = wxLEFT;
2193 else
2194 anchorSide = 0;
2195 }
2196 }
2197 else
2198 {
2199 if ( (leftX+szp.x) >= screenWidth )
2200 {
2201 if ( rightX >= 0 )
2202 anchorSide = wxRIGHT;
2203 else
2204 anchorSide = 0;
2205 }
2206 }
2207
2208 // Select x coordinate according to the anchor side
2209 if ( anchorSide == wxRIGHT )
2210 popupX = rightX;
2211 else if ( anchorSide == wxLEFT )
2212 popupX = leftX;
2213 else
2214 popupX = 0;
2215
2216 int showFlags = CanDeferShow;
2217
2218 if ( spaceBelow < szp.y )
2219 {
2220 popupY = scrPos.y - szp.y;
2221 showFlags |= ShowAbove;
2222 }
2223
2224 #if INSTALL_TOPLEV_HANDLER
2225 // Put top level window event handler into place
2226 if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
2227 {
2228 if ( !m_toplevEvtHandler )
2229 m_toplevEvtHandler = new wxComboFrameEventHandler(this);
2230
2231 wxWindow* toplev = ::wxGetTopLevelParent( this );
2232 wxASSERT( toplev );
2233 ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
2234 toplev->PushEventHandler( m_toplevEvtHandler );
2235 }
2236 #endif
2237
2238 // Set string selection (must be this way instead of SetStringSelection)
2239 if ( m_text )
2240 {
2241 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
2242 m_text->SelectAll();
2243
2244 m_popupInterface->SetStringValue( m_text->GetValue() );
2245 }
2246 else
2247 {
2248 // This is neede since focus/selection indication may change when popup is shown
2249 Refresh();
2250 }
2251
2252 // This must be after SetStringValue
2253 m_popupWinState = Animating;
2254
2255 wxRect popupWinRect( popupX, popupY, szp.x, szp.y );
2256
2257 m_popup = popup;
2258 if ( (m_iFlags & wxCC_IFLAG_DISABLE_POPUP_ANIM) ||
2259 AnimateShow( popupWinRect, showFlags ) )
2260 {
2261 DoShowPopup( popupWinRect, showFlags );
2262 }
2263 }
2264
2265 bool wxComboCtrlBase::AnimateShow( const wxRect& WXUNUSED(rect), int WXUNUSED(flags) )
2266 {
2267 return true;
2268 }
2269
2270 void wxComboCtrlBase::DoShowPopup( const wxRect& rect, int WXUNUSED(flags) )
2271 {
2272 wxWindow* winPopup = m_winPopup;
2273
2274 if ( IsPopupWindowState(Animating) )
2275 {
2276 // Make sure the popup window is shown in the right position.
2277 // Should not matter even if animation already did this.
2278
2279 // Some platforms (GTK) may like SetSize and Move to be separate
2280 // (though the bug was probably fixed).
2281 winPopup->SetSize( rect );
2282
2283 #if USES_WXPOPUPTRANSIENTWINDOW
2284 if ( m_popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW )
2285 ((wxPopupTransientWindow*)winPopup)->Popup(m_popup);
2286 else
2287 #endif
2288 winPopup->Show();
2289
2290 m_popupWinState = Visible;
2291 }
2292 else if ( IsPopupWindowState(Hidden) )
2293 {
2294 // Animation was aborted
2295
2296 wxASSERT( !winPopup->IsShown() );
2297
2298 m_popupWinState = Hidden;
2299 }
2300
2301 Refresh();
2302 }
2303
2304 void wxComboCtrlBase::OnPopupDismiss(bool generateEvent)
2305 {
2306 // Just in case, avoid double dismiss
2307 if ( IsPopupWindowState(Hidden) )
2308 return;
2309
2310 // This must be set before focus - otherwise there will be recursive
2311 // OnPopupDismisses.
2312 m_popupWinState = Hidden;
2313
2314 //SetFocus();
2315 m_winPopup->Disable();
2316
2317 // Inform popup control itself
2318 m_popupInterface->OnDismiss();
2319
2320 if ( m_popupEvtHandler )
2321 ((wxComboPopupEvtHandler*)m_popupEvtHandler)->OnPopupDismiss();
2322
2323 #if INSTALL_TOPLEV_HANDLER
2324 // Remove top level window event handler
2325 if ( m_toplevEvtHandler )
2326 {
2327 wxWindow* toplev = ::wxGetTopLevelParent( this );
2328 if ( toplev )
2329 toplev->RemoveEventHandler( m_toplevEvtHandler );
2330 }
2331 #endif
2332
2333 m_timeCanAcceptClick = ::wxGetLocalTimeMillis();
2334
2335 if ( m_popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW )
2336 m_timeCanAcceptClick += 150;
2337
2338 // If cursor not on dropdown button, then clear its state
2339 // (technically not required by all ports, but do it for all just in case)
2340 if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
2341 m_btnState = 0;
2342
2343 // Return parent's tab traversal flag.
2344 // See ShowPopup for notes.
2345 if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
2346 {
2347 wxWindow* parent = GetParent();
2348 parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
2349 m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
2350 }
2351
2352 // refresh control (necessary even if m_text)
2353 Refresh();
2354
2355 SetFocus();
2356
2357 if ( generateEvent )
2358 {
2359 wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_CLOSEUP, GetId());
2360 event.SetEventObject(this);
2361 HandleWindowEvent(event);
2362 }
2363 }
2364
2365 void wxComboCtrlBase::HidePopup(bool generateEvent)
2366 {
2367 // Should be able to call this without popup interface
2368 if ( IsPopupWindowState(Hidden) )
2369 return;
2370
2371 // transfer value and show it in textctrl, if any
2372 if ( !IsPopupWindowState(Animating) )
2373 SetValue( m_popupInterface->GetStringValue() );
2374
2375 m_winPopup->Hide();
2376
2377 OnPopupDismiss(generateEvent);
2378 }
2379
2380 // ----------------------------------------------------------------------------
2381 // customization methods
2382 // ----------------------------------------------------------------------------
2383
2384 void wxComboCtrlBase::SetButtonPosition( int width, int height,
2385 int side, int spacingX )
2386 {
2387 m_btnWid = width;
2388 m_btnHei = height;
2389 m_btnSide = side;
2390 m_btnSpacingX = spacingX;
2391
2392 if ( width > 0 || height > 0 || spacingX )
2393 m_iFlags |= wxCC_IFLAG_HAS_NONSTANDARD_BUTTON;
2394
2395 RecalcAndRefresh();
2396 }
2397
2398 wxSize wxComboCtrlBase::GetButtonSize()
2399 {
2400 if ( m_btnSize.x > 0 )
2401 return m_btnSize;
2402
2403 wxSize retSize(m_btnWid,m_btnHei);
2404
2405 // Need to call CalculateAreas now if button size is
2406 // is not explicitly specified.
2407 if ( retSize.x <= 0 || retSize.y <= 0)
2408 {
2409 OnResize();
2410
2411 retSize = m_btnSize;
2412 }
2413
2414 return retSize;
2415 }
2416
2417 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
2418 bool blankButtonBg,
2419 const wxBitmap& bmpPressed,
2420 const wxBitmap& bmpHover,
2421 const wxBitmap& bmpDisabled )
2422 {
2423 m_bmpNormal = bmpNormal;
2424 m_blankButtonBg = blankButtonBg;
2425
2426 if ( bmpPressed.Ok() )
2427 m_bmpPressed = bmpPressed;
2428 else
2429 m_bmpPressed = bmpNormal;
2430
2431 if ( bmpHover.Ok() )
2432 m_bmpHover = bmpHover;
2433 else
2434 m_bmpHover = bmpNormal;
2435
2436 if ( bmpDisabled.Ok() )
2437 m_bmpDisabled = bmpDisabled;
2438 else
2439 m_bmpDisabled = bmpNormal;
2440
2441 RecalcAndRefresh();
2442 }
2443
2444 void wxComboCtrlBase::SetCustomPaintWidth( int width )
2445 {
2446 if ( m_text )
2447 {
2448 // move textctrl accordingly
2449 wxRect r = m_text->GetRect();
2450 int inc = width - m_widthCustomPaint;
2451 r.x += inc;
2452 r.width -= inc;
2453 m_text->SetSize( r );
2454 }
2455
2456 m_widthCustomPaint = width;
2457
2458 RecalcAndRefresh();
2459 }
2460
2461 bool wxComboCtrlBase::DoSetMargins(const wxPoint& margins)
2462 {
2463 // For general sanity's sake, we ignore top margin. Instead
2464 // we will always try to center the text vertically.
2465 bool res = true;
2466
2467 if ( margins.x != -1 )
2468 {
2469 m_marginLeft = margins.x;
2470 m_iFlags |= wxCC_IFLAG_LEFT_MARGIN_SET;
2471 }
2472 else
2473 {
2474 m_marginLeft = GetNativeTextIndent();
2475 m_iFlags &= ~(wxCC_IFLAG_LEFT_MARGIN_SET);
2476 }
2477
2478 if ( margins.y != -1 )
2479 {
2480 res = false;
2481 }
2482
2483 RecalcAndRefresh();
2484
2485 return res;
2486 }
2487
2488 wxPoint wxComboCtrlBase::DoGetMargins() const
2489 {
2490 return wxPoint(m_marginLeft, -1);
2491 }
2492
2493 #if WXWIN_COMPATIBILITY_2_8
2494 void wxComboCtrlBase::SetTextIndent( int indent )
2495 {
2496 if ( indent < 0 )
2497 {
2498 m_marginLeft = GetNativeTextIndent();
2499 m_iFlags &= ~(wxCC_IFLAG_LEFT_MARGIN_SET);
2500 }
2501 else
2502 {
2503 m_marginLeft = indent;
2504 m_iFlags |= wxCC_IFLAG_LEFT_MARGIN_SET;
2505 }
2506
2507 RecalcAndRefresh();
2508 }
2509
2510 wxCoord wxComboCtrlBase::GetTextIndent() const
2511 {
2512 return m_marginLeft;
2513 }
2514 #endif
2515
2516 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
2517 {
2518 return DEFAULT_TEXT_INDENT;
2519 }
2520
2521 // ----------------------------------------------------------------------------
2522 // methods forwarded to wxTextCtrl
2523 // ----------------------------------------------------------------------------
2524
2525 wxString wxComboCtrlBase::GetValue() const
2526 {
2527 if ( m_text )
2528 return m_text->GetValue();
2529 return m_valueString;
2530 }
2531
2532 void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
2533 {
2534 if ( m_text )
2535 {
2536 if ( !withEvent )
2537 m_ignoreEvtText++;
2538
2539 m_text->SetValue(value);
2540
2541 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
2542 m_text->SelectAll();
2543 }
2544
2545 // Since wxComboPopup may want to paint the combo as well, we need
2546 // to set the string value here (as well as sometimes in ShowPopup).
2547 if ( m_valueString != value )
2548 {
2549 m_valueString = value;
2550
2551 EnsurePopupControl();
2552
2553 if (m_popupInterface)
2554 m_popupInterface->SetStringValue(value);
2555 }
2556
2557 Refresh();
2558 }
2559
2560 void wxComboCtrlBase::SetValue(const wxString& value)
2561 {
2562 SetValueWithEvent(value, false);
2563 }
2564
2565 // In this SetValue variant wxComboPopup::SetStringValue is not called
2566 void wxComboCtrlBase::SetText(const wxString& value)
2567 {
2568 // Unlike in SetValue(), this must be called here or
2569 // the behaviour will no be consistent in readonlys.
2570 EnsurePopupControl();
2571
2572 m_valueString = value;
2573
2574 if ( m_text )
2575 {
2576 m_ignoreEvtText++;
2577 m_text->SetValue( value );
2578 }
2579
2580 Refresh();
2581 }
2582
2583 void wxComboCtrlBase::Copy()
2584 {
2585 if ( m_text )
2586 m_text->Copy();
2587 }
2588
2589 void wxComboCtrlBase::Cut()
2590 {
2591 if ( m_text )
2592 m_text->Cut();
2593 }
2594
2595 void wxComboCtrlBase::Paste()
2596 {
2597 if ( m_text )
2598 m_text->Paste();
2599 }
2600
2601 void wxComboCtrlBase::SetInsertionPoint(long pos)
2602 {
2603 if ( m_text )
2604 m_text->SetInsertionPoint(pos);
2605 }
2606
2607 void wxComboCtrlBase::SetInsertionPointEnd()
2608 {
2609 if ( m_text )
2610 m_text->SetInsertionPointEnd();
2611 }
2612
2613 long wxComboCtrlBase::GetInsertionPoint() const
2614 {
2615 if ( m_text )
2616 return m_text->GetInsertionPoint();
2617
2618 return 0;
2619 }
2620
2621 long wxComboCtrlBase::GetLastPosition() const
2622 {
2623 if ( m_text )
2624 return m_text->GetLastPosition();
2625
2626 return 0;
2627 }
2628
2629 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2630 {
2631 if ( m_text )
2632 m_text->Replace(from, to, value);
2633 }
2634
2635 void wxComboCtrlBase::Remove(long from, long to)
2636 {
2637 if ( m_text )
2638 m_text->Remove(from, to);
2639 }
2640
2641 void wxComboCtrlBase::SetSelection(long from, long to)
2642 {
2643 if ( m_text )
2644 m_text->SetSelection(from, to);
2645 }
2646
2647 void wxComboCtrlBase::Undo()
2648 {
2649 if ( m_text )
2650 m_text->Undo();
2651 }
2652
2653 bool wxComboCtrlBase::SetHint(const wxString& hint)
2654 {
2655 m_hintText = hint;
2656 bool res = true;
2657 if ( m_text )
2658 res = m_text->SetHint(hint);
2659 Refresh();
2660 return res;
2661 }
2662
2663 wxString wxComboCtrlBase::GetHint() const
2664 {
2665 return m_hintText;
2666 }
2667
2668 #endif // wxUSE_COMBOCTRL