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[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 #if USES_GENERICTLW
469 EVT_ACTIVATE(wxComboPopupWindowEvtHandler::OnActivate)
470 #endif
471 EVT_SIZE(wxComboPopupWindowEvtHandler::OnSizeEvent)
472 END_EVENT_TABLE()
473
474
475 void wxComboPopupWindowEvtHandler::OnSizeEvent( wxSizeEvent& WXUNUSED(event) )
476 {
477 // Block the event so that the popup control does not get auto-resized.
478 }
479
480 void wxComboPopupWindowEvtHandler::OnKeyEvent( wxKeyEvent& event )
481 {
482 // Relay keyboard event to the main child controls
483 wxWindowList children = m_combo->GetPopupWindow()->GetChildren();
484 wxWindowList::iterator node = children.begin();
485 wxWindow* child = (wxWindow*)*node;
486 child->GetEventHandler()->AddPendingEvent(event);
487 }
488
489 #if USES_GENERICTLW
490 void wxComboPopupWindowEvtHandler::OnActivate( wxActivateEvent& event )
491 {
492 if ( !event.GetActive() )
493 {
494 // Tell combo control that we are dismissed.
495 m_combo->HidePopup(true);
496
497 event.Skip();
498 }
499 }
500 #endif
501
502
503 // ----------------------------------------------------------------------------
504 // wxComboPopup
505 //
506 // ----------------------------------------------------------------------------
507
508 wxComboPopup::~wxComboPopup()
509 {
510 }
511
512 void wxComboPopup::OnPopup()
513 {
514 }
515
516 void wxComboPopup::OnDismiss()
517 {
518 }
519
520 wxComboCtrl* wxComboPopup::GetComboCtrl() const
521 {
522 return wxStaticCast(m_combo, wxComboCtrl);
523 }
524
525 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
526 int prefHeight,
527 int WXUNUSED(maxHeight) )
528 {
529 return wxSize(minWidth,prefHeight);
530 }
531
532 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
533 wxDC& dc, const wxRect& rect )
534 {
535 if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
536 {
537 combo->PrepareBackground(dc,rect,0);
538
539 dc.DrawText( combo->GetValue(),
540 rect.x + combo->m_marginLeft,
541 (rect.height-dc.GetCharHeight())/2 + rect.y );
542 }
543 }
544
545 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
546 {
547 DefaultPaintComboControl(m_combo,dc,rect);
548 }
549
550 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
551 {
552 event.Skip();
553 }
554
555 void wxComboPopup::OnComboDoubleClick()
556 {
557 }
558
559 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
560 {
561 }
562
563 bool wxComboPopup::LazyCreate()
564 {
565 return false;
566 }
567
568 void wxComboPopup::Dismiss()
569 {
570 m_combo->HidePopup(true);
571 }
572
573 // ----------------------------------------------------------------------------
574 // input handling
575 // ----------------------------------------------------------------------------
576
577 //
578 // This is pushed to the event handler queue of the child textctrl.
579 //
580 class wxComboBoxExtraInputHandler : public wxEvtHandler
581 {
582 public:
583
584 wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
585 : wxEvtHandler()
586 {
587 m_combo = combo;
588 }
589 virtual ~wxComboBoxExtraInputHandler() { }
590 void OnKey(wxKeyEvent& event);
591 void OnFocus(wxFocusEvent& event);
592
593 protected:
594 wxComboCtrlBase* m_combo;
595
596 private:
597 DECLARE_EVENT_TABLE()
598 };
599
600
601 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
602 EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
603 EVT_KEY_UP(wxComboBoxExtraInputHandler::OnKey)
604 EVT_CHAR(wxComboBoxExtraInputHandler::OnKey)
605 EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
606 EVT_KILL_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
607 END_EVENT_TABLE()
608
609
610 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
611 {
612 // Let the wxComboCtrl event handler have a go first.
613 wxComboCtrlBase* combo = m_combo;
614
615 wxKeyEvent redirectedEvent(event);
616 redirectedEvent.SetId(combo->GetId());
617 redirectedEvent.SetEventObject(combo);
618
619 if ( !combo->GetEventHandler()->ProcessEvent(redirectedEvent) )
620 {
621 // Don't let TAB through to the text ctrl - looks ugly
622 if ( event.GetKeyCode() != WXK_TAB )
623 event.Skip();
624 }
625 }
626
627 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
628 {
629 // FIXME: This code does run when control is clicked,
630 // yet on Windows it doesn't select all the text.
631 if ( event.GetEventType() == wxEVT_SET_FOCUS &&
632 !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
633 {
634 if ( m_combo->GetTextCtrl() )
635 m_combo->GetTextCtrl()->SelectAll();
636 else
637 m_combo->SetSelection(-1,-1);
638 }
639
640 // Send focus indication to parent.
641 // NB: This is needed for cases where the textctrl gets focus
642 // instead of its parent. While this may trigger multiple
643 // wxEVT_SET_FOCUSes (since m_text->SetFocus is called
644 // from combo's focus event handler), they should be quite
645 // harmless.
646 wxFocusEvent evt2(event.GetEventType(),m_combo->GetId());
647 evt2.SetEventObject(m_combo);
648 m_combo->GetEventHandler()->ProcessEvent(evt2);
649
650 event.Skip();
651 }
652
653
654 //
655 // This is pushed to the event handler queue of the control in popup.
656 //
657
658 class wxComboPopupExtraEventHandler : public wxEvtHandler
659 {
660 public:
661
662 wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
663 : wxEvtHandler()
664 {
665 m_combo = combo;
666 m_beenInside = false;
667 }
668 virtual ~wxComboPopupExtraEventHandler() { }
669
670 void OnMouseEvent( wxMouseEvent& event );
671
672 // Called from wxComboCtrlBase::OnPopupDismiss
673 void OnPopupDismiss()
674 {
675 m_beenInside = false;
676 }
677
678 protected:
679 wxComboCtrlBase* m_combo;
680
681 bool m_beenInside;
682
683 private:
684 DECLARE_EVENT_TABLE()
685 };
686
687
688 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
689 EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
690 END_EVENT_TABLE()
691
692
693 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
694 {
695 wxPoint pt = event.GetPosition();
696 wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
697 int evtType = event.GetEventType();
698 bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
699 bool relayToButton = false;
700
701 event.Skip();
702
703 if ( evtType == wxEVT_MOTION ||
704 evtType == wxEVT_LEFT_DOWN ||
705 evtType == wxEVT_RIGHT_DOWN )
706 {
707 // Block motion and click events outside the popup
708 if ( !isInside || !m_combo->IsPopupShown() )
709 {
710 event.Skip(false);
711 }
712 }
713 else if ( evtType == wxEVT_LEFT_UP )
714 {
715 if ( !m_combo->IsPopupShown() )
716 {
717 event.Skip(false);
718 relayToButton = true;
719 }
720 else if ( !m_beenInside )
721 {
722 if ( isInside )
723 {
724 m_beenInside = true;
725 }
726 else
727 {
728 relayToButton = true;
729 }
730 }
731 }
732
733 if ( relayToButton )
734 {
735 //
736 // Some mouse events to popup that happen outside it, before cursor
737 // has been inside the popup, need to be ignored by it but relayed to
738 // the dropbutton.
739 //
740 wxWindow* eventSink = m_combo;
741 wxWindow* btn = m_combo->GetButton();
742 if ( btn )
743 eventSink = btn;
744
745 eventSink->GetEventHandler()->ProcessEvent(event);
746 }
747 }
748
749 // ----------------------------------------------------------------------------
750 // wxComboCtrlTextCtrl
751 // ----------------------------------------------------------------------------
752
753 class wxComboCtrlTextCtrl : public wxTextCtrl
754 {
755 public:
756 wxComboCtrlTextCtrl() : wxTextCtrl() { }
757 virtual ~wxComboCtrlTextCtrl() { }
758
759 virtual wxWindow *GetMainWindowOfCompositeControl()
760 {
761 wxComboCtrl* combo = (wxComboCtrl*) GetParent();
762
763 // Returning this instead of just 'parent' lets FindFocus work
764 // correctly even when parent control is a child of a composite
765 // generic control (as is case with wxGenericDatePickerCtrl).
766 return combo->GetMainWindowOfCompositeControl();
767 }
768 };
769
770 // ----------------------------------------------------------------------------
771 // wxComboCtrlBase
772 // ----------------------------------------------------------------------------
773
774
775 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
776 EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
777 EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
778 EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
779 EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
780 EVT_IDLE(wxComboCtrlBase::OnIdleEvent)
781 //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
782 EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
783 EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
784 EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
785 END_EVENT_TABLE()
786
787
788 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
789
790 void wxComboCtrlBase::Init()
791 {
792 m_winPopup = NULL;
793 m_popup = NULL;
794 m_popupWinState = Hidden;
795 m_btn = NULL;
796 m_text = NULL;
797 m_popupInterface = NULL;
798
799 m_popupExtraHandler = NULL;
800 m_textEvtHandler = NULL;
801
802 #if INSTALL_TOPLEV_HANDLER
803 m_toplevEvtHandler = NULL;
804 #endif
805
806 m_mainCtrlWnd = this;
807
808 m_heightPopup = -1;
809 m_widthMinPopup = -1;
810 m_anchorSide = 0;
811 m_widthCustomPaint = 0;
812 m_widthCustomBorder = 0;
813
814 m_btnState = 0;
815 m_btnWidDefault = 0;
816 m_blankButtonBg = false;
817 m_ignoreEvtText = 0;
818 m_popupWinType = POPUPWIN_NONE;
819 m_btnWid = m_btnHei = -1;
820 m_btnSide = wxRIGHT;
821 m_btnSpacingX = 0;
822
823 m_extLeft = 0;
824 m_extRight = 0;
825 m_marginLeft = -1;
826 m_iFlags = 0;
827 m_timeCanAcceptClick = 0;
828
829 m_resetFocus = false;
830 }
831
832 bool wxComboCtrlBase::Create(wxWindow *parent,
833 wxWindowID id,
834 const wxString& value,
835 const wxPoint& pos,
836 const wxSize& size,
837 long style,
838 const wxValidator& validator,
839 const wxString& name)
840 {
841 if ( !wxControl::Create(parent,
842 id,
843 pos,
844 size,
845 style | wxWANTS_CHARS,
846 validator,
847 name) )
848 return false;
849
850 m_valueString = value;
851
852 // Get colours
853 OnThemeChange();
854 m_marginLeft = GetNativeTextIndent();
855
856 m_iFlags |= wxCC_IFLAG_CREATED;
857
858 // If x and y indicate valid size, wxSizeEvent won't be
859 // emitted automatically, so we need to add artifical one.
860 if ( size.x > 0 && size.y > 0 )
861 {
862 wxSizeEvent evt(size,GetId());
863 GetEventHandler()->AddPendingEvent(evt);
864 }
865
866 return true;
867 }
868
869 void wxComboCtrlBase::InstallInputHandlers()
870 {
871 if ( m_text )
872 {
873 m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
874 m_text->PushEventHandler(m_textEvtHandler);
875 }
876 }
877
878 void
879 wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
880 {
881 if ( !(m_windowStyle & wxCB_READONLY) )
882 {
883 if ( m_text )
884 m_text->Destroy();
885
886 // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
887 // not used by the wxPropertyGrid and therefore the tab is processed by
888 // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
889 // navigation event is then sent to the wrong window.
890 style |= wxTE_PROCESS_TAB;
891
892 if ( HasFlag(wxTE_PROCESS_ENTER) )
893 style |= wxTE_PROCESS_ENTER;
894
895 // Ignore EVT_TEXT generated by the constructor (but only
896 // if the event redirector already exists)
897 // NB: This must be " = 1" instead of "++";
898 if ( m_textEvtHandler )
899 m_ignoreEvtText = 1;
900 else
901 m_ignoreEvtText = 0;
902
903 m_text = new wxComboCtrlTextCtrl();
904 m_text->Create(this, wxID_ANY, m_valueString,
905 wxDefaultPosition, wxSize(10,-1),
906 style, validator);
907 }
908 }
909
910 void wxComboCtrlBase::OnThemeChange()
911 {
912 // Leave the default bg on the Mac so the area used by the focus ring will
913 // be the correct colour and themed brush. Instead we'll use
914 // wxSYS_COLOUR_WINDOW in the EVT_PAINT handler as needed.
915 #ifndef __WXMAC__
916 #if defined(__WXMSW__) || defined(__WXGTK__)
917 wxVisualAttributes vattrs = wxComboBox::GetClassDefaultAttributes();
918 #else
919 wxVisualAttributes vattrs;
920 vattrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
921 vattrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
922 #endif
923
924 // Only change the colours if application has not specified
925 // custom ones.
926 if ( !m_hasFgCol )
927 {
928 SetOwnForegroundColour(vattrs.colFg);
929 m_hasFgCol = false;
930 }
931 if ( !m_hasBgCol )
932 {
933 SetOwnBackgroundColour(vattrs.colBg);
934 m_hasBgCol = false;
935 }
936 #endif // !__WXMAC__
937 }
938
939 wxComboCtrlBase::~wxComboCtrlBase()
940 {
941 if ( HasCapture() )
942 ReleaseMouse();
943
944 #if INSTALL_TOPLEV_HANDLER
945 delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
946 m_toplevEvtHandler = NULL;
947 #endif
948
949 DestroyPopup();
950
951 if ( m_text )
952 m_text->RemoveEventHandler(m_textEvtHandler);
953
954 delete m_textEvtHandler;
955 }
956
957
958 // ----------------------------------------------------------------------------
959 // geometry stuff
960 // ----------------------------------------------------------------------------
961
962 // Recalculates button and textctrl areas
963 void wxComboCtrlBase::CalculateAreas( int btnWidth )
964 {
965 wxSize sz = GetClientSize();
966 int customBorder = m_widthCustomBorder;
967 int btnBorder; // border for button only
968
969 // check if button should really be outside the border: we'll do it it if
970 // its platform default or bitmap+pushbutton background is used, but not if
971 // there is vertical size adjustment or horizontal spacing.
972 if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
973 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
974 m_btnSpacingX == 0 &&
975 m_btnHei <= 0 )
976 {
977 m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
978 btnBorder = 0;
979 }
980 else if ( (m_iFlags & wxCC_BUTTON_COVERS_BORDER) &&
981 m_btnSpacingX == 0 && !m_bmpNormal.Ok() )
982 {
983 m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
984 btnBorder = 0;
985 }
986 else
987 {
988 m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
989 btnBorder = customBorder;
990 }
991
992 // Defaul indentation
993 if ( m_marginLeft < 0 )
994 m_marginLeft = GetNativeTextIndent();
995
996 int butWidth = btnWidth;
997
998 if ( butWidth <= 0 )
999 butWidth = m_btnWidDefault;
1000 else
1001 m_btnWidDefault = butWidth;
1002
1003 if ( butWidth <= 0 )
1004 return;
1005
1006 int butHeight = sz.y - btnBorder*2;
1007
1008 // Adjust button width
1009 if ( m_btnWid > 0 )
1010 butWidth = m_btnWid;
1011 else
1012 {
1013 // Adjust button width to match aspect ratio
1014 // (but only if control is smaller than best size).
1015 int bestHeight = GetBestSize().y;
1016 int height = GetSize().y;
1017
1018 if ( height < bestHeight )
1019 {
1020 // Make very small buttons square, as it makes
1021 // them accommodate arrow image better and still
1022 // looks decent.
1023 if ( height > 18 )
1024 butWidth = (height*butWidth)/bestHeight;
1025 else
1026 butWidth = butHeight;
1027 }
1028 }
1029
1030 // Adjust button height
1031 if ( m_btnHei > 0 )
1032 butHeight = m_btnHei;
1033
1034 // Use size of normal bitmap if...
1035 // It is larger
1036 // OR
1037 // button width is set to default and blank button bg is not drawn
1038 if ( m_bmpNormal.Ok() )
1039 {
1040 int bmpReqWidth = m_bmpNormal.GetWidth();
1041 int bmpReqHeight = m_bmpNormal.GetHeight();
1042
1043 // If drawing blank button background, we need to add some margin.
1044 if ( m_blankButtonBg )
1045 {
1046 bmpReqWidth += BMP_BUTTON_MARGIN*2;
1047 bmpReqHeight += BMP_BUTTON_MARGIN*2;
1048 }
1049
1050 if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
1051 butWidth = bmpReqWidth;
1052 if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
1053 butHeight = bmpReqHeight;
1054
1055 // Need to fix height?
1056 if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
1057 {
1058 int newY = butHeight+(customBorder*2);
1059 SetClientSize(wxDefaultCoord,newY);
1060 if ( m_bmpNormal.Ok() || m_btnArea.width != butWidth || m_btnArea.height != butHeight )
1061 m_iFlags |= wxCC_IFLAG_HAS_NONSTANDARD_BUTTON;
1062 else
1063 m_iFlags &= ~wxCC_IFLAG_HAS_NONSTANDARD_BUTTON;
1064
1065 sz.y = newY;
1066 }
1067 }
1068
1069 int butAreaWid = butWidth + (m_btnSpacingX*2);
1070
1071 m_btnSize.x = butWidth;
1072 m_btnSize.y = butHeight;
1073
1074 m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
1075 m_btnArea.y = btnBorder + FOCUS_RING;
1076 m_btnArea.width = butAreaWid;
1077 m_btnArea.height = sz.y - ((btnBorder+FOCUS_RING)*2);
1078
1079 m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder + FOCUS_RING;
1080 m_tcArea.y = customBorder + FOCUS_RING;
1081 m_tcArea.width = sz.x - butAreaWid - (customBorder*2) - (FOCUS_RING*2);
1082 m_tcArea.height = sz.y - ((customBorder+FOCUS_RING)*2);
1083
1084 /*
1085 if ( m_text )
1086 {
1087 ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
1088 wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
1089 }
1090 */
1091 }
1092
1093 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
1094 {
1095 if ( !m_text )
1096 return;
1097
1098 wxSize sz = GetClientSize();
1099
1100 int customBorder = m_widthCustomBorder;
1101 if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
1102 {
1103 int x;
1104
1105 if ( !m_widthCustomPaint )
1106 {
1107 // No special custom paint area - we can use 0 left margin
1108 // with wxTextCtrl.
1109 if ( m_text->SetMargins(0) )
1110 textCtrlXAdjust = 0;
1111 x = m_tcArea.x + m_marginLeft + textCtrlXAdjust;
1112 }
1113 else
1114 {
1115 // There is special custom paint area - it is better to
1116 // use some margin with the wxTextCtrl.
1117 m_text->SetMargins(m_marginLeft);
1118 x = m_tcArea.x + m_widthCustomPaint +
1119 m_marginLeft + textCtrlXAdjust;
1120 }
1121
1122 // Centre textctrl vertically, if needed
1123 #if !TEXTCTRL_TEXT_CENTERED
1124 int tcSizeY = m_text->GetBestSize().y;
1125 int diff0 = sz.y - tcSizeY;
1126 int y = textCtrlYAdjust + (diff0/2);
1127 #else
1128 wxUnusedVar(textCtrlYAdjust);
1129 int y = 0;
1130 #endif
1131
1132 if ( y < customBorder )
1133 y = customBorder;
1134
1135 m_text->SetSize(x,
1136 y,
1137 m_tcArea.width - m_tcArea.x - x,
1138 -1 );
1139
1140 // Make sure textctrl doesn't exceed the bottom custom border
1141 wxSize tsz = m_text->GetSize();
1142 int diff1 = (y + tsz.y) - (sz.y - customBorder);
1143 if ( diff1 >= 0 )
1144 {
1145 tsz.y = tsz.y - diff1 - 1;
1146 m_text->SetSize(tsz);
1147 }
1148 }
1149 else
1150 {
1151 // If it has border, have textctrl fill the entire text field.
1152 m_text->SetSize( m_tcArea.x + m_widthCustomPaint,
1153 m_tcArea.y,
1154 m_tcArea.width - m_widthCustomPaint,
1155 m_tcArea.height );
1156 }
1157 }
1158
1159 wxSize wxComboCtrlBase::DoGetBestSize() const
1160 {
1161 wxSize sizeText(150,0);
1162
1163 if ( m_text )
1164 sizeText = m_text->GetBestSize();
1165
1166 // TODO: Better method to calculate close-to-native control height.
1167
1168 int fhei;
1169 if ( m_font.Ok() )
1170 fhei = (m_font.GetPointSize()*2) + 5;
1171 else if ( wxNORMAL_FONT->Ok() )
1172 fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
1173 else
1174 fhei = sizeText.y + 4;
1175
1176 // Need to force height to accomodate bitmap?
1177 int btnSizeY = m_btnSize.y;
1178 if ( m_bmpNormal.Ok() && fhei < btnSizeY )
1179 fhei = btnSizeY;
1180
1181 // Control height doesn't depend on border
1182 /*
1183 // Add border
1184 int border = m_windowStyle & wxBORDER_MASK;
1185 if ( border == wxSIMPLE_BORDER )
1186 fhei += 2;
1187 else if ( border == wxNO_BORDER )
1188 fhei += (m_widthCustomBorder*2);
1189 else
1190 // Sunken etc.
1191 fhei += 4;
1192 */
1193
1194 // Final adjustments
1195 #ifdef __WXGTK__
1196 fhei += 1;
1197 #endif
1198
1199 #ifdef __WXMAC__
1200 // these are the numbers from the HIG:
1201 switch ( m_windowVariant )
1202 {
1203 case wxWINDOW_VARIANT_NORMAL:
1204 default :
1205 fhei = 22;
1206 break;
1207 case wxWINDOW_VARIANT_SMALL:
1208 fhei = 19;
1209 break;
1210 case wxWINDOW_VARIANT_MINI:
1211 fhei = 15;
1212 break;
1213 }
1214 #endif
1215
1216 fhei += 2 * FOCUS_RING;
1217 int width = sizeText.x + FOCUS_RING + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH;
1218
1219 wxSize ret(width, fhei);
1220 CacheBestSize(ret);
1221 return ret;
1222 }
1223
1224 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
1225 {
1226 if ( !IsCreated() )
1227 return;
1228
1229 // defined by actual wxComboCtrls
1230 OnResize();
1231
1232 event.Skip();
1233 }
1234
1235 // ----------------------------------------------------------------------------
1236 // standard operations
1237 // ----------------------------------------------------------------------------
1238
1239 bool wxComboCtrlBase::Enable(bool enable)
1240 {
1241 if ( !wxControl::Enable(enable) )
1242 return false;
1243
1244 if ( m_btn )
1245 m_btn->Enable(enable);
1246 if ( m_text )
1247 m_text->Enable(enable);
1248
1249 Refresh();
1250
1251 return true;
1252 }
1253
1254 bool wxComboCtrlBase::Show(bool show)
1255 {
1256 if ( !wxControl::Show(show) )
1257 return false;
1258
1259 if (m_btn)
1260 m_btn->Show(show);
1261
1262 if (m_text)
1263 m_text->Show(show);
1264
1265 return true;
1266 }
1267
1268 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1269 {
1270 if ( !wxControl::SetFont(font) )
1271 return false;
1272
1273 if ( m_text )
1274 {
1275 // Without hiding the wxTextCtrl there would be some
1276 // visible 'flicker' (at least on Windows XP).
1277 m_text->Hide();
1278 m_text->SetFont(font);
1279 OnResize();
1280 m_text->Show();
1281 }
1282
1283 return true;
1284 }
1285
1286 #if wxUSE_TOOLTIPS
1287 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1288 {
1289 wxControl::DoSetToolTip(tooltip);
1290
1291 // Set tool tip for button and text box
1292 if ( tooltip )
1293 {
1294 const wxString &tip = tooltip->GetTip();
1295 if ( m_text ) m_text->SetToolTip(tip);
1296 if ( m_btn ) m_btn->SetToolTip(tip);
1297 }
1298 else
1299 {
1300 if ( m_text ) m_text->SetToolTip( NULL );
1301 if ( m_btn ) m_btn->SetToolTip( NULL );
1302 }
1303 }
1304 #endif // wxUSE_TOOLTIPS
1305
1306 #if wxUSE_VALIDATORS
1307 void wxComboCtrlBase::SetValidator(const wxValidator& validator)
1308 {
1309 wxTextCtrl* textCtrl = GetTextCtrl();
1310
1311 if ( textCtrl )
1312 textCtrl->SetValidator( validator );
1313 else
1314 wxControl::SetValidator( validator );
1315 }
1316
1317 wxValidator* wxComboCtrlBase::GetValidator()
1318 {
1319 wxTextCtrl* textCtrl = GetTextCtrl();
1320
1321 return textCtrl ? textCtrl->GetValidator() : wxControl::GetValidator();
1322 }
1323 #endif // wxUSE_VALIDATORS
1324
1325 // ----------------------------------------------------------------------------
1326 // painting
1327 // ----------------------------------------------------------------------------
1328
1329 #if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
1330 // prepare combo box background on area in a way typical on platform
1331 void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
1332 {
1333 wxSize sz = GetClientSize();
1334 bool isEnabled;
1335 bool doDrawFocusRect; // also selected
1336
1337 // For smaller size control (and for disabled background) use less spacing
1338 int focusSpacingX;
1339 int focusSpacingY;
1340
1341 if ( !(flags & wxCONTROL_ISSUBMENU) )
1342 {
1343 // Drawing control
1344 isEnabled = IsEnabled();
1345 doDrawFocusRect = ShouldDrawFocus() && !(m_iFlags & wxCC_FULL_BUTTON);
1346
1347 // Windows-style: for smaller size control (and for disabled background) use less spacing
1348 focusSpacingX = isEnabled ? 2 : 1;
1349 focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1350 }
1351 else
1352 {
1353 // Drawing a list item
1354 isEnabled = true; // they are never disabled
1355 doDrawFocusRect = (flags & wxCONTROL_SELECTED) != 0;
1356
1357 focusSpacingX = 0;
1358 focusSpacingY = 0;
1359 }
1360
1361 // Set the background sub-rectangle for selection, disabled etc
1362 wxRect selRect(rect);
1363 selRect.y += focusSpacingY;
1364 selRect.height -= (focusSpacingY*2);
1365
1366 int wcp = 0;
1367
1368 if ( !(flags & wxCONTROL_ISSUBMENU) )
1369 wcp += m_widthCustomPaint;
1370
1371 selRect.x += wcp + focusSpacingX;
1372 selRect.width -= wcp + (focusSpacingX*2);
1373
1374 wxColour bgCol;
1375 wxColour fgCol;
1376
1377 bool doDrawSelRect = true;
1378
1379 // Determine foreground colour
1380 if ( isEnabled )
1381 {
1382 if ( doDrawFocusRect )
1383 {
1384 fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
1385 }
1386 else if ( m_hasFgCol )
1387 {
1388 // Honour the custom foreground colour
1389 fgCol = GetForegroundColour();
1390 }
1391 else
1392 {
1393 fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1394 }
1395 }
1396 else
1397 {
1398 fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT);
1399 }
1400
1401 // Determine background colour
1402 if ( isEnabled )
1403 {
1404 if ( doDrawFocusRect )
1405 {
1406 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1407 }
1408 else if ( m_hasBgCol )
1409 {
1410 // Honour the custom background colour
1411 bgCol = GetBackgroundColour();
1412 }
1413 else
1414 {
1415 #ifndef __WXMAC__ // see note in OnThemeChange
1416 doDrawSelRect = false;
1417 bgCol = GetBackgroundColour();
1418 #else
1419 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1420 #endif
1421 }
1422 }
1423 else
1424 {
1425 #ifndef __WXMAC__ // see note in OnThemeChange
1426 bgCol = GetBackgroundColour();
1427 #else
1428 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1429 #endif
1430 }
1431
1432 dc.SetTextForeground( fgCol );
1433 dc.SetBrush( bgCol );
1434 if ( doDrawSelRect )
1435 {
1436 dc.SetPen( bgCol );
1437 dc.DrawRectangle( selRect );
1438 }
1439
1440 // Don't clip exactly to the selection rectangle so we can draw
1441 // to the non-selected area in front of it.
1442 wxRect clipRect(rect.x,rect.y,
1443 (selRect.x+selRect.width)-rect.x,rect.height);
1444 dc.SetClippingRegion(clipRect);
1445 }
1446 #else
1447 // Save the library size a bit for platforms that re-implement this.
1448 void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
1449 {
1450 }
1451 #endif
1452
1453 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, int flags )
1454 {
1455 int drawState = m_btnState;
1456
1457 if ( (m_iFlags & wxCC_BUTTON_STAYS_DOWN) &&
1458 GetPopupWindowState() >= Animating )
1459 drawState |= wxCONTROL_PRESSED;
1460
1461 wxRect drawRect(rect.x+m_btnSpacingX,
1462 rect.y+((rect.height-m_btnSize.y)/2),
1463 m_btnSize.x,
1464 m_btnSize.y);
1465
1466 // Make sure area is not larger than the control
1467 if ( drawRect.y < rect.y )
1468 drawRect.y = rect.y;
1469 if ( drawRect.height > rect.height )
1470 drawRect.height = rect.height;
1471
1472 bool enabled = IsEnabled();
1473
1474 if ( !enabled )
1475 drawState |= wxCONTROL_DISABLED;
1476
1477 if ( !m_bmpNormal.Ok() )
1478 {
1479 if ( flags & Button_BitmapOnly )
1480 return;
1481
1482 // Need to clear button background even if m_btn is present
1483 if ( flags & Button_PaintBackground )
1484 {
1485 wxColour bgCol;
1486
1487 if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1488 bgCol = GetParent()->GetBackgroundColour();
1489 else
1490 bgCol = GetBackgroundColour();
1491
1492 dc.SetBrush(bgCol);
1493 dc.SetPen(bgCol);
1494 dc.DrawRectangle(rect);
1495 }
1496
1497 // Draw standard button
1498 wxRendererNative::Get().DrawComboBoxDropButton(this,
1499 dc,
1500 drawRect,
1501 drawState);
1502 }
1503 else
1504 {
1505 // Draw bitmap
1506
1507 wxBitmap* pBmp;
1508
1509 if ( !enabled )
1510 pBmp = &m_bmpDisabled;
1511 else if ( m_btnState & wxCONTROL_PRESSED )
1512 pBmp = &m_bmpPressed;
1513 else if ( m_btnState & wxCONTROL_CURRENT )
1514 pBmp = &m_bmpHover;
1515 else
1516 pBmp = &m_bmpNormal;
1517
1518 if ( m_blankButtonBg )
1519 {
1520 // If using blank button background, we need to clear its background
1521 // with button face colour instead of colour for rest of the control.
1522 if ( flags & Button_PaintBackground )
1523 {
1524 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1525 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1526 dc.SetPen(bgCol);
1527 dc.SetBrush(bgCol);
1528 dc.DrawRectangle(rect);
1529 }
1530
1531 if ( !(flags & Button_BitmapOnly) )
1532 {
1533 wxRendererNative::Get().DrawPushButton(this,
1534 dc,
1535 drawRect,
1536 drawState);
1537 }
1538 }
1539 else
1540
1541 {
1542 // Need to clear button background even if m_btn is present
1543 // (assume non-button background was cleared just before this call so brushes are good)
1544 if ( flags & Button_PaintBackground )
1545 dc.DrawRectangle(rect);
1546 }
1547
1548 // Draw bitmap centered in drawRect
1549 dc.DrawBitmap(*pBmp,
1550 drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1551 drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1552 true);
1553 }
1554 }
1555
1556 void wxComboCtrlBase::RecalcAndRefresh()
1557 {
1558 if ( IsCreated() )
1559 {
1560 wxSizeEvent evt(GetSize(),GetId());
1561 GetEventHandler()->ProcessEvent(evt);
1562 Refresh();
1563 }
1564 }
1565
1566 // ----------------------------------------------------------------------------
1567 // miscellaneous event handlers
1568 // ----------------------------------------------------------------------------
1569
1570 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1571 {
1572 if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
1573 {
1574 if ( m_ignoreEvtText > 0 )
1575 {
1576 m_ignoreEvtText--;
1577 return;
1578 }
1579 }
1580
1581 // Change event id, object and string before relaying it forward
1582 event.SetId(GetId());
1583 wxString s = event.GetString();
1584 event.SetEventObject(this);
1585 event.SetString(s);
1586 event.Skip();
1587 }
1588
1589 // call if cursor is on button area or mouse is captured for the button
1590 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1591 int flags )
1592 {
1593 int type = event.GetEventType();
1594
1595 if ( type == wxEVT_MOTION )
1596 {
1597 if ( (flags & wxCC_MF_ON_BUTTON) &&
1598 IsPopupWindowState(Hidden) )
1599 {
1600 if ( !(m_btnState & wxCONTROL_CURRENT) )
1601 {
1602 // Mouse hover begins
1603 m_btnState |= wxCONTROL_CURRENT;
1604 if ( HasCapture() ) // Retain pressed state.
1605 m_btnState |= wxCONTROL_PRESSED;
1606 Refresh();
1607 }
1608 }
1609 else if ( (m_btnState & wxCONTROL_CURRENT) )
1610 {
1611 // Mouse hover ends
1612 m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1613 Refresh();
1614 }
1615 }
1616 else if ( type == wxEVT_LEFT_DOWN || type == wxEVT_LEFT_DCLICK )
1617 {
1618 if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1619 {
1620 m_btnState |= wxCONTROL_PRESSED;
1621 Refresh();
1622
1623 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1624 OnButtonClick();
1625 else
1626 // If showing popup now, do not capture mouse or there will be interference
1627 CaptureMouse();
1628 }
1629 }
1630 else if ( type == wxEVT_LEFT_UP )
1631 {
1632
1633 // Only accept event if mouse was left-press was previously accepted
1634 if ( HasCapture() )
1635 ReleaseMouse();
1636
1637 if ( m_btnState & wxCONTROL_PRESSED )
1638 {
1639 // If mouse was inside, fire the click event.
1640 if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1641 {
1642 if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1643 OnButtonClick();
1644 }
1645
1646 m_btnState &= ~(wxCONTROL_PRESSED);
1647 Refresh();
1648 }
1649 }
1650 else if ( type == wxEVT_LEAVE_WINDOW )
1651 {
1652 if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1653 {
1654 m_btnState &= ~(wxCONTROL_CURRENT);
1655
1656 // Mouse hover ends
1657 if ( IsPopupWindowState(Hidden) )
1658 {
1659 m_btnState &= ~(wxCONTROL_PRESSED);
1660 Refresh();
1661 }
1662 }
1663 }
1664 else
1665 return false;
1666
1667 // Never have 'hot' state when popup is being shown
1668 // (this is mostly needed because of the animation).
1669 if ( !IsPopupWindowState(Hidden) )
1670 m_btnState &= ~wxCONTROL_CURRENT;
1671
1672 return true;
1673 }
1674
1675 // returns true if event was consumed or filtered
1676 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1677 int WXUNUSED(flags) )
1678 {
1679 wxLongLong t = ::wxGetLocalTimeMillis();
1680 int evtType = event.GetEventType();
1681
1682 #if USES_WXPOPUPWINDOW || USES_GENERICTLW
1683 if ( m_popupWinType != POPUPWIN_WXPOPUPTRANSIENTWINDOW )
1684 {
1685 if ( IsPopupWindowState(Visible) &&
1686 ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
1687 {
1688 HidePopup(true);
1689 return true;
1690 }
1691 }
1692 #endif
1693
1694 // Filter out clicks on button immediately after popup dismiss
1695 if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1696 {
1697 event.SetEventType(0);
1698 return true;
1699 }
1700
1701 return false;
1702 }
1703
1704 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1705 {
1706 int evtType = event.GetEventType();
1707
1708 if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1709 (m_windowStyle & wxCB_READONLY) )
1710 {
1711 if ( GetPopupWindowState() >= Animating )
1712 {
1713 #if USES_WXPOPUPWINDOW
1714 // Click here always hides the popup.
1715 if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
1716 HidePopup(true);
1717 #endif
1718 }
1719 else
1720 {
1721 if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1722 {
1723 // In read-only mode, clicking the text is the
1724 // same as clicking the button.
1725 OnButtonClick();
1726 }
1727 else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1728 {
1729 //if ( m_popupInterface->CycleValue() )
1730 // Refresh();
1731 if ( m_popupInterface )
1732 m_popupInterface->OnComboDoubleClick();
1733 }
1734 }
1735 }
1736 else
1737 if ( IsPopupShown() )
1738 {
1739 // relay (some) mouse events to the popup
1740 if ( evtType == wxEVT_MOUSEWHEEL )
1741 m_popup->GetEventHandler()->AddPendingEvent(event);
1742 }
1743 else if ( evtType )
1744 event.Skip();
1745 }
1746
1747 void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
1748 {
1749 if ( IsPopupShown() )
1750 {
1751 // pass it to the popped up control
1752 GetPopupControl()->GetControl()->GetEventHandler()->AddPendingEvent(event);
1753 }
1754 else // no popup
1755 {
1756 if ( GetParent()->HasFlag(wxTAB_TRAVERSAL) &&
1757 HandleAsNavigationKey(event) )
1758 return;
1759
1760 if ( IsKeyPopupToggle(event) )
1761 {
1762 OnButtonClick();
1763 return;
1764 }
1765
1766 int comboStyle = GetWindowStyle();
1767 wxComboPopup* popupInterface = GetPopupControl();
1768
1769 if ( !popupInterface )
1770 {
1771 event.Skip();
1772 return;
1773 }
1774
1775 int keycode = event.GetKeyCode();
1776
1777 if ( (comboStyle & wxCB_READONLY) ||
1778 (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
1779 {
1780 popupInterface->OnComboKeyEvent(event);
1781 }
1782 else
1783 event.Skip();
1784 }
1785 }
1786
1787 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
1788 {
1789 if ( event.GetEventType() == wxEVT_SET_FOCUS )
1790 {
1791 wxWindow* tc = GetTextCtrl();
1792 if ( tc && tc != DoFindFocus() )
1793 {
1794 tc->SetFocus();
1795 }
1796 }
1797
1798 Refresh();
1799 }
1800
1801 void wxComboCtrlBase::OnIdleEvent( wxIdleEvent& WXUNUSED(event) )
1802 {
1803 if ( m_resetFocus )
1804 {
1805 m_resetFocus = false;
1806 wxWindow* tc = GetTextCtrl();
1807 if ( tc )
1808 tc->SetFocus();
1809 }
1810 }
1811
1812 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1813 {
1814 OnThemeChange();
1815 // left margin may also have changed
1816 if ( !(m_iFlags & wxCC_IFLAG_LEFT_MARGIN_SET) )
1817 m_marginLeft = GetNativeTextIndent();
1818 RecalcAndRefresh();
1819 }
1820
1821 // ----------------------------------------------------------------------------
1822 // popup handling
1823 // ----------------------------------------------------------------------------
1824
1825 // Create popup window and the child control
1826 void wxComboCtrlBase::CreatePopup()
1827 {
1828 wxComboPopup* popupInterface = m_popupInterface;
1829 wxWindow* popup;
1830
1831 if ( !m_winPopup )
1832 {
1833 #ifdef wxComboPopupWindowBase2
1834 if ( m_iFlags & wxCC_IFLAG_USE_ALT_POPUP )
1835 {
1836 #if !USES_GENERICTLW
1837 m_winPopup = new wxComboPopupWindowBase2( this, wxNO_BORDER );
1838 #else
1839 int tlwFlags = wxNO_BORDER;
1840 #ifdef wxCC_GENERIC_TLW_IS_FRAME
1841 tlwFlags |= wxFRAME_NO_TASKBAR;
1842 #endif
1843
1844 #ifdef wxCC_GENERIC_TLW_IS_NONOWNEDWINDOW
1845 m_winPopup = new wxComboPopupWindowBase2( this, wxID_ANY,
1846 wxPoint(-21,-21), wxSize(20, 20),
1847 tlwFlags );
1848 #else
1849 m_winPopup = new wxComboPopupWindowBase2( this, wxID_ANY, wxEmptyString,
1850 wxPoint(-21,-21), wxSize(20, 20),
1851 tlwFlags );
1852 #endif
1853 #endif
1854 m_popupWinType = SECONDARY_POPUP_TYPE;
1855 }
1856 else
1857 #endif // wxComboPopupWindowBase2
1858 {
1859 m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1860 m_popupWinType = PRIMARY_POPUP_TYPE;
1861 }
1862 m_popupWinEvtHandler = new wxComboPopupWindowEvtHandler(this);
1863 m_winPopup->PushEventHandler(m_popupWinEvtHandler);
1864 }
1865
1866 popupInterface->Create(m_winPopup);
1867 m_popup = popup = popupInterface->GetControl();
1868
1869 m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1870 popup->PushEventHandler( m_popupExtraHandler );
1871
1872 // This may be helpful on some platforms
1873 // (eg. it bypasses a wxGTK popupwindow bug where
1874 // window is not initially hidden when it should be)
1875 m_winPopup->Hide();
1876
1877 popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1878 }
1879
1880 // Destroy popup window and the child control
1881 void wxComboCtrlBase::DestroyPopup()
1882 {
1883 HidePopup(true);
1884
1885 if ( m_popup )
1886 m_popup->RemoveEventHandler(m_popupExtraHandler);
1887
1888 delete m_popupExtraHandler;
1889
1890 delete m_popupInterface;
1891
1892 if ( m_winPopup )
1893 {
1894 m_winPopup->RemoveEventHandler(m_popupWinEvtHandler);
1895 delete m_popupWinEvtHandler;
1896 m_popupWinEvtHandler = NULL;
1897 m_winPopup->Destroy();
1898 }
1899
1900 m_popupExtraHandler = NULL;
1901 m_popupInterface = NULL;
1902 m_winPopup = NULL;
1903 m_popup = NULL;
1904 }
1905
1906 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1907 {
1908 wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1909
1910 DestroyPopup();
1911
1912 iface->InitBase(this);
1913 iface->Init();
1914
1915 m_popupInterface = iface;
1916
1917 if ( !iface->LazyCreate() )
1918 {
1919 CreatePopup();
1920 }
1921 else
1922 {
1923 m_popup = NULL;
1924 }
1925
1926 // This must be done after creation
1927 if ( m_valueString.length() )
1928 {
1929 iface->SetStringValue(m_valueString);
1930 //Refresh();
1931 }
1932 }
1933
1934 // Ensures there is atleast the default popup
1935 void wxComboCtrlBase::EnsurePopupControl()
1936 {
1937 if ( !m_popupInterface )
1938 SetPopupControl(NULL);
1939 }
1940
1941 void wxComboCtrlBase::OnButtonClick()
1942 {
1943 // Derived classes can override this method for totally custom
1944 // popup action
1945 if ( !IsPopupWindowState(Visible) )
1946 {
1947 wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
1948 event.SetEventObject(this);
1949 HandleWindowEvent(event);
1950
1951 ShowPopup();
1952 }
1953 else
1954 {
1955 HidePopup(true);
1956 }
1957 }
1958
1959 void wxComboCtrlBase::ShowPopup()
1960 {
1961 EnsurePopupControl();
1962 wxCHECK_RET( !IsPopupWindowState(Visible), wxT("popup window already shown") );
1963
1964 if ( IsPopupWindowState(Animating) )
1965 return;
1966
1967 SetFocus();
1968
1969 // Space above and below
1970 int screenHeight;
1971 wxPoint scrPos;
1972 int spaceAbove;
1973 int spaceBelow;
1974 int maxHeightPopup;
1975 wxSize ctrlSz = GetSize();
1976
1977 screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1978 scrPos = GetParent()->ClientToScreen(GetPosition());
1979
1980 spaceAbove = scrPos.y;
1981 spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1982
1983 maxHeightPopup = spaceBelow;
1984 if ( spaceAbove > spaceBelow )
1985 maxHeightPopup = spaceAbove;
1986
1987 // Width
1988 int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1989
1990 if ( widthPopup < m_widthMinPopup )
1991 widthPopup = m_widthMinPopup;
1992
1993 wxWindow* winPopup = m_winPopup;
1994 wxWindow* popup;
1995
1996 // Need to disable tab traversal of parent
1997 //
1998 // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1999 // by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
2000 // that if transient popup is open, then tab traversal is to be ignored.
2001 // However, I think this code would still be needed for cases where
2002 // transient popup doesn't work yet (wxWinCE?).
2003 wxWindow* parent = GetParent();
2004 int parentFlags = parent->GetWindowStyle();
2005 if ( parentFlags & wxTAB_TRAVERSAL )
2006 {
2007 parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
2008 m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
2009 }
2010
2011 if ( !winPopup )
2012 {
2013 CreatePopup();
2014 winPopup = m_winPopup;
2015 popup = m_popup;
2016 }
2017 else
2018 {
2019 popup = m_popup;
2020 }
2021
2022 winPopup->Enable();
2023
2024 wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
2025
2026 wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
2027 m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
2028 maxHeightPopup);
2029
2030 popup->SetSize(adjustedSize);
2031 popup->Move(0,0);
2032 m_popupInterface->OnPopup();
2033
2034 //
2035 // Reposition and resize popup window
2036 //
2037
2038 wxSize szp = popup->GetSize();
2039
2040 int popupX;
2041 int popupY = scrPos.y + ctrlSz.y;
2042
2043 // Default anchor is wxLEFT
2044 int anchorSide = m_anchorSide;
2045 if ( !anchorSide )
2046 anchorSide = wxLEFT;
2047
2048 int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
2049 int leftX = scrPos.x - m_extLeft;
2050
2051 if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
2052 leftX -= ctrlSz.x;
2053
2054 int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
2055
2056 // If there is not enough horizontal space, anchor on the other side.
2057 // If there is no space even then, place the popup at x 0.
2058 if ( anchorSide == wxRIGHT )
2059 {
2060 if ( rightX < 0 )
2061 {
2062 if ( (leftX+szp.x) < screenWidth )
2063 anchorSide = wxLEFT;
2064 else
2065 anchorSide = 0;
2066 }
2067 }
2068 else
2069 {
2070 if ( (leftX+szp.x) >= screenWidth )
2071 {
2072 if ( rightX >= 0 )
2073 anchorSide = wxRIGHT;
2074 else
2075 anchorSide = 0;
2076 }
2077 }
2078
2079 // Select x coordinate according to the anchor side
2080 if ( anchorSide == wxRIGHT )
2081 popupX = rightX;
2082 else if ( anchorSide == wxLEFT )
2083 popupX = leftX;
2084 else
2085 popupX = 0;
2086
2087 int showFlags = CanDeferShow;
2088
2089 if ( spaceBelow < szp.y )
2090 {
2091 popupY = scrPos.y - szp.y;
2092 showFlags |= ShowAbove;
2093 }
2094
2095 #if INSTALL_TOPLEV_HANDLER
2096 // Put top level window event handler into place
2097 if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
2098 {
2099 if ( !m_toplevEvtHandler )
2100 m_toplevEvtHandler = new wxComboFrameEventHandler(this);
2101
2102 wxWindow* toplev = ::wxGetTopLevelParent( this );
2103 wxASSERT( toplev );
2104 ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
2105 toplev->PushEventHandler( m_toplevEvtHandler );
2106 }
2107 #endif
2108
2109 // Set string selection (must be this way instead of SetStringSelection)
2110 if ( m_text )
2111 {
2112 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
2113 m_text->SelectAll();
2114
2115 m_popupInterface->SetStringValue( m_text->GetValue() );
2116 }
2117 else
2118 {
2119 // This is neede since focus/selection indication may change when popup is shown
2120 Refresh();
2121 }
2122
2123 // This must be after SetStringValue
2124 m_popupWinState = Animating;
2125
2126 wxRect popupWinRect( popupX, popupY, szp.x, szp.y );
2127
2128 m_popup = popup;
2129 if ( (m_iFlags & wxCC_IFLAG_DISABLE_POPUP_ANIM) ||
2130 AnimateShow( popupWinRect, showFlags ) )
2131 {
2132 DoShowPopup( popupWinRect, showFlags );
2133 }
2134 }
2135
2136 bool wxComboCtrlBase::AnimateShow( const wxRect& WXUNUSED(rect), int WXUNUSED(flags) )
2137 {
2138 return true;
2139 }
2140
2141 void wxComboCtrlBase::DoShowPopup( const wxRect& rect, int WXUNUSED(flags) )
2142 {
2143 wxWindow* winPopup = m_winPopup;
2144
2145 if ( IsPopupWindowState(Animating) )
2146 {
2147 // Make sure the popup window is shown in the right position.
2148 // Should not matter even if animation already did this.
2149
2150 // Some platforms (GTK) may like SetSize and Move to be separate
2151 // (though the bug was probably fixed).
2152 winPopup->SetSize( rect );
2153
2154 #if USES_WXPOPUPTRANSIENTWINDOW
2155 if ( m_popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW )
2156 ((wxPopupTransientWindow*)winPopup)->Popup(m_popup);
2157 else
2158 #endif
2159 winPopup->Show();
2160
2161 m_popupWinState = Visible;
2162 }
2163 else if ( IsPopupWindowState(Hidden) )
2164 {
2165 // Animation was aborted
2166
2167 wxASSERT( !winPopup->IsShown() );
2168
2169 m_popupWinState = Hidden;
2170 }
2171
2172 Refresh();
2173 }
2174
2175 void wxComboCtrlBase::OnPopupDismiss(bool generateEvent)
2176 {
2177 // Just in case, avoid double dismiss
2178 if ( IsPopupWindowState(Hidden) )
2179 return;
2180
2181 // This must be set before focus - otherwise there will be recursive
2182 // OnPopupDismisses.
2183 m_popupWinState = Hidden;
2184
2185 //SetFocus();
2186 m_winPopup->Disable();
2187
2188 // Inform popup control itself
2189 m_popupInterface->OnDismiss();
2190
2191 if ( m_popupExtraHandler )
2192 ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
2193
2194 #if INSTALL_TOPLEV_HANDLER
2195 // Remove top level window event handler
2196 if ( m_toplevEvtHandler )
2197 {
2198 wxWindow* toplev = ::wxGetTopLevelParent( this );
2199 if ( toplev )
2200 toplev->RemoveEventHandler( m_toplevEvtHandler );
2201 }
2202 #endif
2203
2204 m_timeCanAcceptClick = ::wxGetLocalTimeMillis();
2205
2206 if ( m_popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW )
2207 m_timeCanAcceptClick += 150;
2208
2209 // If cursor not on dropdown button, then clear its state
2210 // (technically not required by all ports, but do it for all just in case)
2211 if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
2212 m_btnState = 0;
2213
2214 // Return parent's tab traversal flag.
2215 // See ShowPopup for notes.
2216 if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
2217 {
2218 wxWindow* parent = GetParent();
2219 parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
2220 m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
2221 }
2222
2223 // refresh control (necessary even if m_text)
2224 Refresh();
2225
2226 SetFocus();
2227
2228 if ( generateEvent )
2229 {
2230 wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_CLOSEUP, GetId());
2231 event.SetEventObject(this);
2232 HandleWindowEvent(event);
2233 }
2234 }
2235
2236 void wxComboCtrlBase::HidePopup(bool generateEvent)
2237 {
2238 // Should be able to call this without popup interface
2239 if ( IsPopupWindowState(Hidden) )
2240 return;
2241
2242 // transfer value and show it in textctrl, if any
2243 if ( !IsPopupWindowState(Animating) )
2244 SetValue( m_popupInterface->GetStringValue() );
2245
2246 m_winPopup->Hide();
2247
2248 OnPopupDismiss(generateEvent);
2249 }
2250
2251 // ----------------------------------------------------------------------------
2252 // customization methods
2253 // ----------------------------------------------------------------------------
2254
2255 void wxComboCtrlBase::SetButtonPosition( int width, int height,
2256 int side, int spacingX )
2257 {
2258 m_btnWid = width;
2259 m_btnHei = height;
2260 m_btnSide = side;
2261 m_btnSpacingX = spacingX;
2262
2263 RecalcAndRefresh();
2264 }
2265
2266 wxSize wxComboCtrlBase::GetButtonSize()
2267 {
2268 if ( m_btnSize.x > 0 )
2269 return m_btnSize;
2270
2271 wxSize retSize(m_btnWid,m_btnHei);
2272
2273 // Need to call CalculateAreas now if button size is
2274 // is not explicitly specified.
2275 if ( retSize.x <= 0 || retSize.y <= 0)
2276 {
2277 OnResize();
2278
2279 retSize = m_btnSize;
2280 }
2281
2282 return retSize;
2283 }
2284
2285 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
2286 bool blankButtonBg,
2287 const wxBitmap& bmpPressed,
2288 const wxBitmap& bmpHover,
2289 const wxBitmap& bmpDisabled )
2290 {
2291 m_bmpNormal = bmpNormal;
2292 m_blankButtonBg = blankButtonBg;
2293
2294 if ( bmpPressed.Ok() )
2295 m_bmpPressed = bmpPressed;
2296 else
2297 m_bmpPressed = bmpNormal;
2298
2299 if ( bmpHover.Ok() )
2300 m_bmpHover = bmpHover;
2301 else
2302 m_bmpHover = bmpNormal;
2303
2304 if ( bmpDisabled.Ok() )
2305 m_bmpDisabled = bmpDisabled;
2306 else
2307 m_bmpDisabled = bmpNormal;
2308
2309 RecalcAndRefresh();
2310 }
2311
2312 void wxComboCtrlBase::SetCustomPaintWidth( int width )
2313 {
2314 if ( m_text )
2315 {
2316 // move textctrl accordingly
2317 wxRect r = m_text->GetRect();
2318 int inc = width - m_widthCustomPaint;
2319 r.x += inc;
2320 r.width -= inc;
2321 m_text->SetSize( r );
2322 }
2323
2324 m_widthCustomPaint = width;
2325
2326 RecalcAndRefresh();
2327 }
2328
2329 bool wxComboCtrlBase::DoSetMargins(const wxPoint& margins)
2330 {
2331 // For general sanity's sake, we ignore top margin. Instead
2332 // we will always try to center the text vertically.
2333 bool res = true;
2334
2335 if ( margins.x != -1 )
2336 {
2337 m_marginLeft = margins.x;
2338 m_iFlags |= wxCC_IFLAG_LEFT_MARGIN_SET;
2339 }
2340 else
2341 {
2342 m_marginLeft = GetNativeTextIndent();
2343 m_iFlags &= ~(wxCC_IFLAG_LEFT_MARGIN_SET);
2344 }
2345
2346 if ( margins.y != -1 )
2347 {
2348 res = false;
2349 }
2350
2351 RecalcAndRefresh();
2352
2353 return res;
2354 }
2355
2356 wxPoint wxComboCtrlBase::DoGetMargins() const
2357 {
2358 return wxPoint(m_marginLeft, -1);
2359 }
2360
2361 #if WXWIN_COMPATIBILITY_2_8
2362 void wxComboCtrlBase::SetTextIndent( int indent )
2363 {
2364 if ( indent < 0 )
2365 {
2366 m_marginLeft = GetNativeTextIndent();
2367 m_iFlags &= ~(wxCC_IFLAG_LEFT_MARGIN_SET);
2368 }
2369 else
2370 {
2371 m_marginLeft = indent;
2372 m_iFlags |= wxCC_IFLAG_LEFT_MARGIN_SET;
2373 }
2374
2375 RecalcAndRefresh();
2376 }
2377
2378 wxCoord wxComboCtrlBase::GetTextIndent() const
2379 {
2380 return m_marginLeft;
2381 }
2382 #endif
2383
2384 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
2385 {
2386 return DEFAULT_TEXT_INDENT;
2387 }
2388
2389 // ----------------------------------------------------------------------------
2390 // methods forwarded to wxTextCtrl
2391 // ----------------------------------------------------------------------------
2392
2393 wxString wxComboCtrlBase::GetValue() const
2394 {
2395 if ( m_text )
2396 return m_text->GetValue();
2397 return m_valueString;
2398 }
2399
2400 void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
2401 {
2402 if ( m_text )
2403 {
2404 if ( !withEvent )
2405 m_ignoreEvtText++;
2406
2407 m_text->SetValue(value);
2408
2409 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
2410 m_text->SelectAll();
2411 }
2412
2413 // Since wxComboPopup may want to paint the combo as well, we need
2414 // to set the string value here (as well as sometimes in ShowPopup).
2415 if ( m_valueString != value )
2416 {
2417 m_valueString = value;
2418
2419 EnsurePopupControl();
2420
2421 if (m_popupInterface)
2422 m_popupInterface->SetStringValue(value);
2423 }
2424
2425 Refresh();
2426 }
2427
2428 void wxComboCtrlBase::SetValue(const wxString& value)
2429 {
2430 SetValueWithEvent(value, false);
2431 }
2432
2433 // In this SetValue variant wxComboPopup::SetStringValue is not called
2434 void wxComboCtrlBase::SetText(const wxString& value)
2435 {
2436 // Unlike in SetValue(), this must be called here or
2437 // the behaviour will no be consistent in readonlys.
2438 EnsurePopupControl();
2439
2440 m_valueString = value;
2441
2442 if ( m_text )
2443 {
2444 m_ignoreEvtText++;
2445 m_text->SetValue( value );
2446 }
2447
2448 Refresh();
2449 }
2450
2451 void wxComboCtrlBase::Copy()
2452 {
2453 if ( m_text )
2454 m_text->Copy();
2455 }
2456
2457 void wxComboCtrlBase::Cut()
2458 {
2459 if ( m_text )
2460 m_text->Cut();
2461 }
2462
2463 void wxComboCtrlBase::Paste()
2464 {
2465 if ( m_text )
2466 m_text->Paste();
2467 }
2468
2469 void wxComboCtrlBase::SetInsertionPoint(long pos)
2470 {
2471 if ( m_text )
2472 m_text->SetInsertionPoint(pos);
2473 }
2474
2475 void wxComboCtrlBase::SetInsertionPointEnd()
2476 {
2477 if ( m_text )
2478 m_text->SetInsertionPointEnd();
2479 }
2480
2481 long wxComboCtrlBase::GetInsertionPoint() const
2482 {
2483 if ( m_text )
2484 return m_text->GetInsertionPoint();
2485
2486 return 0;
2487 }
2488
2489 long wxComboCtrlBase::GetLastPosition() const
2490 {
2491 if ( m_text )
2492 return m_text->GetLastPosition();
2493
2494 return 0;
2495 }
2496
2497 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2498 {
2499 if ( m_text )
2500 m_text->Replace(from, to, value);
2501 }
2502
2503 void wxComboCtrlBase::Remove(long from, long to)
2504 {
2505 if ( m_text )
2506 m_text->Remove(from, to);
2507 }
2508
2509 void wxComboCtrlBase::SetSelection(long from, long to)
2510 {
2511 if ( m_text )
2512 m_text->SetSelection(from, to);
2513 }
2514
2515 void wxComboCtrlBase::Undo()
2516 {
2517 if ( m_text )
2518 m_text->Undo();
2519 }
2520
2521 #endif // wxUSE_COMBOCTRL