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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/log.h"
32 #include "wx/dcclient.h"
33 #include "wx/settings.h"
34 #include "wx/dialog.h"
35 #include "wx/timer.h"
36 #endif
37
38 #include "wx/dcbuffer.h"
39 #include "wx/tooltip.h"
40
41 #include "wx/combo.h"
42
43
44
45 // constants
46 // ----------------------------------------------------------------------------
47
48 // Milliseconds to wait for two mouse-ups after focus inorder
49 // to trigger a double-click.
50 #define DOUBLE_CLICK_CONVERSION_TRESHOLD 500
51
52 #define DEFAULT_DROPBUTTON_WIDTH 19
53
54 #define BMP_BUTTON_MARGIN 4
55
56 #define DEFAULT_POPUP_HEIGHT 200
57
58 #define DEFAULT_TEXT_INDENT 3
59
60 #define COMBO_MARGIN 2 // spacing right of wxTextCtrl
61
62
63 #if defined(__WXMSW__)
64
65 #define USE_TRANSIENT_POPUP 1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
66
67 //#undef wxUSE_POPUPWIN
68 //#define wxUSE_POPUPWIN 0
69
70 #elif defined(__WXGTK__)
71
72 #define USE_TRANSIENT_POPUP 1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
73
74 #elif defined(__WXMAC__)
75
76 #define USE_TRANSIENT_POPUP 0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
77
78 #else
79
80 #define USE_TRANSIENT_POPUP 0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
81
82 #endif
83
84
85 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
86 // what the wxUSE_POPUPWIN says.
87 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
88 #if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
89 #undef wxUSE_POPUPWIN
90 #define wxUSE_POPUPWIN 0
91 #endif
92
93
94 #if wxUSE_POPUPWIN
95 #include "wx/popupwin.h"
96 #else
97 #undef USE_TRANSIENT_POPUP
98 #define USE_TRANSIENT_POPUP 0
99 #endif
100
101
102 #if USE_TRANSIENT_POPUP
103
104 #define wxComboPopupWindowBase wxPopupTransientWindow
105 #define INSTALL_TOPLEV_HANDLER 0
106
107 #elif wxUSE_POPUPWIN
108
109 #define wxComboPopupWindowBase wxPopupWindow
110 #define INSTALL_TOPLEV_HANDLER 1
111
112 #else
113
114 #define wxComboPopupWindowBase wxDialog
115 #define INSTALL_TOPLEV_HANDLER 0 // Doesn't need since can monitor active event
116
117 #endif
118
119
120
121 //
122 // ** TODO **
123 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
124 //
125
126
127 // ----------------------------------------------------------------------------
128 // wxComboFrameEventHandler takes care of hiding the popup when events happen
129 // in its top level parent.
130 // ----------------------------------------------------------------------------
131
132 #if INSTALL_TOPLEV_HANDLER
133
134 //
135 // This will no longer be necessary after wxTransientPopupWindow
136 // works well on all platforms.
137 //
138
139 class wxComboFrameEventHandler : public wxEvtHandler
140 {
141 public:
142 wxComboFrameEventHandler( wxComboCtrlBase* pCb );
143 ~wxComboFrameEventHandler();
144
145 void OnPopup();
146
147 void OnIdle( wxIdleEvent& event );
148 void OnMouseEvent( wxMouseEvent& event );
149 void OnActivate( wxActivateEvent& event );
150 void OnResize( wxSizeEvent& event );
151 void OnMove( wxMoveEvent& event );
152 void OnMenuEvent( wxMenuEvent& event );
153 void OnClose( wxCloseEvent& event );
154
155 protected:
156 wxWindow* m_focusStart;
157 wxComboCtrlBase* m_combo;
158
159 private:
160 DECLARE_EVENT_TABLE()
161 };
162
163 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
164 EVT_IDLE(wxComboFrameEventHandler::OnIdle)
165 EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
166 EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
167 EVT_SIZE(wxComboFrameEventHandler::OnResize)
168 EVT_MOVE(wxComboFrameEventHandler::OnMove)
169 EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
170 EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
171 EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
172 EVT_CLOSE(wxComboFrameEventHandler::OnClose)
173 END_EVENT_TABLE()
174
175 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
176 : wxEvtHandler()
177 {
178 m_combo = combo;
179 }
180
181 wxComboFrameEventHandler::~wxComboFrameEventHandler()
182 {
183 }
184
185 void wxComboFrameEventHandler::OnPopup()
186 {
187 m_focusStart = ::wxWindow::FindFocus();
188 }
189
190 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
191 {
192 wxWindow* winFocused = ::wxWindow::FindFocus();
193
194 wxWindow* popup = m_combo->GetPopupControl();
195 wxWindow* winpopup = m_combo->GetPopupWindow();
196
197 if (
198 winFocused != m_focusStart &&
199 winFocused != popup &&
200 winFocused->GetParent() != popup &&
201 winFocused != winpopup &&
202 winFocused->GetParent() != winpopup &&
203 winFocused != m_combo &&
204 winFocused != m_combo->GetButton() // GTK (atleast) requires this
205 )
206 {
207 m_combo->HidePopup();
208 }
209
210 event.Skip();
211 }
212
213 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
214 {
215 m_combo->HidePopup();
216 event.Skip();
217 }
218
219 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
220 {
221 m_combo->HidePopup();
222 event.Skip();
223 }
224
225 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
226 {
227 m_combo->HidePopup();
228 event.Skip();
229 }
230
231 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
232 {
233 m_combo->HidePopup();
234 event.Skip();
235 }
236
237 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
238 {
239 m_combo->HidePopup();
240 event.Skip();
241 }
242
243 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
244 {
245 m_combo->HidePopup();
246 event.Skip();
247 }
248
249 #endif // INSTALL_TOPLEV_HANDLER
250
251 // ----------------------------------------------------------------------------
252 // wxComboPopupWindow is wxPopupWindow customized for
253 // wxComboCtrl.
254 // ----------------------------------------------------------------------------
255
256 class wxComboPopupWindow : public wxComboPopupWindowBase
257 {
258 public:
259
260 wxComboPopupWindow( wxComboCtrlBase *parent, int style = wxBORDER_NONE );
261
262 #if USE_TRANSIENT_POPUP
263 virtual bool ProcessLeftDown(wxMouseEvent& event);
264 #endif
265
266 void OnKeyEvent(wxKeyEvent& event);
267
268 void OnMouseEvent( wxMouseEvent& event );
269 #if !wxUSE_POPUPWIN
270 void OnActivate( wxActivateEvent& event );
271 #endif
272
273 protected:
274
275 #if USE_TRANSIENT_POPUP
276 virtual void OnDismiss();
277 #endif
278
279 private:
280 DECLARE_EVENT_TABLE()
281 };
282
283
284 BEGIN_EVENT_TABLE(wxComboPopupWindow, wxComboPopupWindowBase)
285 EVT_MOUSE_EVENTS(wxComboPopupWindow::OnMouseEvent)
286 #if !wxUSE_POPUPWIN
287 EVT_ACTIVATE(wxComboPopupWindow::OnActivate)
288 #endif
289 EVT_KEY_DOWN(wxComboPopupWindow::OnKeyEvent)
290 EVT_KEY_UP(wxComboPopupWindow::OnKeyEvent)
291 END_EVENT_TABLE()
292
293
294 wxComboPopupWindow::wxComboPopupWindow( wxComboCtrlBase *parent,
295 int style )
296 #if wxUSE_POPUPWIN
297 : wxComboPopupWindowBase(parent,style)
298 #else
299 : wxComboPopupWindowBase(parent,
300 wxID_ANY,
301 wxEmptyString,
302 wxPoint(-21,-21),
303 wxSize(20,20),
304 style)
305 #endif
306 {
307 }
308
309 void wxComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
310 {
311 // Relay keyboard event to the main child controls
312 // (just skipping may just cause the popup to close)
313 wxWindowList children = GetChildren();
314 wxWindowList::iterator node = children.begin();
315 wxWindow* child = (wxWindow*)*node;
316 child->AddPendingEvent(event);
317 }
318
319 void wxComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
320 {
321 event.Skip();
322 }
323
324 #if !wxUSE_POPUPWIN
325 void wxComboPopupWindow::OnActivate( wxActivateEvent& event )
326 {
327 if ( !event.GetActive() )
328 {
329 // Tell combo control that we are dismissed.
330 wxComboCtrl* combo = (wxComboCtrl*) GetParent();
331 wxASSERT( combo );
332 wxASSERT( combo->IsKindOf(CLASSINFO(wxComboCtrl)) );
333
334 combo->HidePopup();
335
336 event.Skip();
337 }
338 }
339 #endif
340
341 #if USE_TRANSIENT_POPUP
342 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
343 {
344 return wxComboPopupWindowBase::ProcessLeftDown(event);
345 }
346 #endif
347
348 #if USE_TRANSIENT_POPUP
349 // First thing that happens when a transient popup closes is that this method gets called.
350 void wxComboPopupWindow::OnDismiss()
351 {
352 wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
353 wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
354 wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
355
356 combo->OnPopupDismiss();
357 }
358 #endif
359
360 // ----------------------------------------------------------------------------
361 // wxComboPopup
362 //
363 // ----------------------------------------------------------------------------
364
365 wxComboPopup::~wxComboPopup()
366 {
367 }
368
369 void wxComboPopup::OnPopup()
370 {
371 }
372
373 void wxComboPopup::OnDismiss()
374 {
375 }
376
377 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
378 int prefHeight,
379 int WXUNUSED(maxHeight) )
380 {
381 return wxSize(minWidth,prefHeight);
382 }
383
384 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
385 wxDC& dc, const wxRect& rect )
386 {
387 if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
388 {
389 combo->DrawFocusBackground(dc,rect,0);
390
391 dc.DrawText( combo->GetValue(),
392 rect.x + combo->GetTextIndent(),
393 (rect.height-dc.GetCharHeight())/2 + rect.y );
394 }
395 }
396
397 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
398 {
399 DefaultPaintComboControl(m_combo,dc,rect);
400 }
401
402 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
403 {
404 event.Skip();
405 }
406
407 void wxComboPopup::OnComboDoubleClick()
408 {
409 }
410
411 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
412 {
413 }
414
415 bool wxComboPopup::LazyCreate()
416 {
417 return false;
418 }
419
420 void wxComboPopup::Dismiss()
421 {
422 m_combo->HidePopup();
423 }
424
425 // ----------------------------------------------------------------------------
426 // input handling
427 // ----------------------------------------------------------------------------
428
429 //
430 // This is pushed to the event handler queue of either combo box
431 // or its textctrl (latter if not readonly combo).
432 //
433 class wxComboBoxExtraInputHandler : public wxEvtHandler
434 {
435 public:
436
437 wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
438 : wxEvtHandler()
439 {
440 m_combo = combo;
441 }
442 ~wxComboBoxExtraInputHandler() { }
443 void OnKey(wxKeyEvent& event);
444 void OnFocus(wxFocusEvent& event);
445
446 protected:
447 wxComboCtrlBase* m_combo;
448
449 private:
450 DECLARE_EVENT_TABLE()
451 };
452
453
454 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
455 EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
456 EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
457 END_EVENT_TABLE()
458
459
460 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
461 {
462 int keycode = event.GetKeyCode();
463
464 if ( keycode == WXK_TAB && !m_combo->IsPopupShown() )
465 {
466 wxNavigationKeyEvent evt;
467 evt.SetFlags(wxNavigationKeyEvent::FromTab|
468 (!event.ShiftDown()?wxNavigationKeyEvent::IsForward:
469 wxNavigationKeyEvent::IsBackward));
470 evt.SetEventObject(m_combo);
471 m_combo->GetParent()->GetEventHandler()->AddPendingEvent(evt);
472 return;
473 }
474
475 if ( m_combo->IsPopupShown() )
476 {
477 // pass it to the popped up control
478 m_combo->GetPopupControl()->GetControl()->AddPendingEvent(event);
479 }
480 else // no popup
481 {
482 int comboStyle = m_combo->GetWindowStyle();
483 wxComboPopup* popupInterface = m_combo->GetPopupControl();
484
485 if ( !popupInterface )
486 {
487 event.Skip();
488 return;
489 }
490
491 if ( (comboStyle & wxCB_READONLY) ||
492 ( keycode != WXK_RIGHT && keycode != WXK_LEFT )
493 )
494 {
495 // Alternate keys: UP and DOWN show the popup instead of cycling
496 if ( (comboStyle & wxCC_ALT_KEYS) )
497 {
498 if ( keycode == WXK_UP || keycode == WXK_DOWN )
499 {
500 m_combo->OnButtonClick();
501 return;
502 }
503 else
504 event.Skip();
505 }
506 else
507 popupInterface->OnComboKeyEvent(event);
508 }
509 else
510 event.Skip();
511 }
512 }
513
514 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
515 {
516 // FIXME: This code does run when control is clicked,
517 // yet on Windows it doesn't select all the text.
518 if ( !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
519 {
520 if ( m_combo->GetTextCtrl() )
521 m_combo->GetTextCtrl()->SelectAll();
522 else
523 m_combo->SetSelection(-1,-1);
524 }
525
526 if ( event.GetId() != m_combo->GetId() )
527 {
528 // Add textctrl set focus events as combo set focus events
529 // NOTE: Simply changing the event and skipping didn't seem
530 // to do the trick.
531 wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
532 evt2.SetEventObject(m_combo);
533 m_combo->GetEventHandler()->ProcessEvent(evt2);
534 }
535 else
536 event.Skip();
537
538 event.Skip();
539 }
540
541
542 //
543 // This is pushed to the event handler queue of the control in popup.
544 //
545
546 class wxComboPopupExtraEventHandler : public wxEvtHandler
547 {
548 public:
549
550 wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
551 : wxEvtHandler()
552 {
553 m_combo = combo;
554 m_beenInside = false;
555 }
556 ~wxComboPopupExtraEventHandler() { }
557
558 void OnMouseEvent( wxMouseEvent& event );
559
560 // Called from wxComboCtrlBase::OnPopupDismiss
561 void OnPopupDismiss()
562 {
563 m_beenInside = false;
564 }
565
566 protected:
567 wxComboCtrlBase* m_combo;
568
569 bool m_beenInside;
570
571 private:
572 DECLARE_EVENT_TABLE()
573 };
574
575
576 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
577 EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
578 END_EVENT_TABLE()
579
580
581 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
582 {
583 wxPoint pt = event.GetPosition();
584 wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
585 int evtType = event.GetEventType();
586 bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
587
588 if ( evtType == wxEVT_MOTION ||
589 evtType == wxEVT_LEFT_DOWN ||
590 evtType == wxEVT_RIGHT_DOWN )
591 {
592 // Block motion and click events outside the popup
593 if ( !isInside )
594 {
595 event.Skip(false);
596 return;
597 }
598 }
599 else if ( evtType == wxEVT_LEFT_UP )
600 {
601 // Don't let left-down events in if outside
602 if ( evtType == wxEVT_LEFT_DOWN )
603 {
604 if ( !isInside )
605 return;
606 }
607
608 if ( !m_beenInside )
609 {
610 if ( isInside )
611 {
612 m_beenInside = true;
613 }
614 else
615 {
616 //
617 // Some mouse events to popup that happen outside it, before cursor
618 // has been inside the popu, need to be ignored by it but relayed to
619 // the dropbutton.
620 //
621 wxWindow* btn = m_combo->GetButton();
622 if ( btn )
623 btn->GetEventHandler()->AddPendingEvent(event);
624 else
625 m_combo->GetEventHandler()->AddPendingEvent(event);
626
627 return;
628 }
629
630 event.Skip();
631 }
632 }
633
634 event.Skip();
635 }
636
637 // ----------------------------------------------------------------------------
638 // wxComboCtrlBase
639 // ----------------------------------------------------------------------------
640
641
642 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
643 EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
644 EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
645 EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
646 EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
647 //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
648 EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
649 EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
650 END_EVENT_TABLE()
651
652
653 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
654
655 // Have global double buffer - should be enough for multiple combos
656 static wxBitmap* gs_doubleBuffer = (wxBitmap*) NULL;
657
658 void wxComboCtrlBase::Init()
659 {
660 m_winPopup = (wxWindow *)NULL;
661 m_popup = (wxWindow *)NULL;
662 m_isPopupShown = false;
663 m_btn = (wxWindow*) NULL;
664 m_text = (wxTextCtrl*) NULL;
665 m_popupInterface = (wxComboPopup*) NULL;
666
667 m_extraEvtHandler = (wxEvtHandler*) NULL;
668 m_popupExtraHandler = (wxEvtHandler*) NULL;
669 m_textEvtHandler = (wxEvtHandler*) NULL;
670
671 #if INSTALL_TOPLEV_HANDLER
672 m_toplevEvtHandler = (wxEvtHandler*) NULL;
673 #endif
674
675 m_heightPopup = -1;
676 m_widthMinPopup = -1;
677 m_anchorSide = 0;
678 m_widthCustomPaint = 0;
679 m_widthCustomBorder = 0;
680
681 m_btnState = 0;
682 m_btnWidDefault = 0;
683 m_blankButtonBg = false;
684 m_btnWid = m_btnHei = -1;
685 m_btnSide = wxRIGHT;
686 m_btnSpacingX = 0;
687
688 m_extLeft = 0;
689 m_extRight = 0;
690 m_absIndent = -1;
691 m_iFlags = 0;
692 m_downReceived = false;
693 m_timeCanAcceptClick = 0;
694 }
695
696 bool wxComboCtrlBase::Create(wxWindow *parent,
697 wxWindowID id,
698 const wxString& value,
699 const wxPoint& pos,
700 const wxSize& size,
701 long style,
702 const wxValidator& validator,
703 const wxString& name)
704 {
705 if ( !wxControl::Create(parent,
706 id,
707 pos,
708 size,
709 style | wxWANTS_CHARS,
710 validator,
711 name) )
712 return false;
713
714 m_valueString = value;
715
716 // Get colours
717 OnThemeChange();
718 m_absIndent = GetNativeTextIndent();
719
720 m_iFlags |= wxCC_IFLAG_CREATED;
721
722 // If x and y indicate valid size, wxSizeEvent won't be
723 // emitted automatically, so we need to add artifical one.
724 if ( size.x > 0 && size.y > 0 )
725 {
726 wxSizeEvent evt(size,GetId());
727 GetEventHandler()->AddPendingEvent(evt);
728 }
729
730 return true;
731 }
732
733 void wxComboCtrlBase::InstallInputHandlers( bool alsoTextCtrl )
734 {
735 if ( m_text && alsoTextCtrl )
736 {
737 m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
738 m_text->PushEventHandler(m_textEvtHandler);
739 }
740
741 wxComboBoxExtraInputHandler* inputHandler = new wxComboBoxExtraInputHandler(this);
742 PushEventHandler(inputHandler);
743 m_extraEvtHandler = inputHandler;
744 }
745
746 void
747 wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
748 {
749 if ( !(m_windowStyle & wxCB_READONLY) )
750 {
751 // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
752 // not used by the wxPropertyGrid and therefore the tab is processed by
753 // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
754 // navigation event is then sent to the wrong window.
755 style |= wxTE_PROCESS_TAB;
756
757 if ( HasFlag(wxTE_PROCESS_ENTER) )
758 style |= wxTE_PROCESS_ENTER;
759
760 m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
761 wxDefaultPosition, wxDefaultSize,
762 style, validator);
763
764 // This is required for some platforms (GTK+ atleast)
765 m_text->SetSizeHints(2,4);
766 }
767 }
768
769 void wxComboCtrlBase::OnThemeChange()
770 {
771 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
772 }
773
774 wxComboCtrlBase::~wxComboCtrlBase()
775 {
776 if ( HasCapture() )
777 ReleaseMouse();
778
779 delete gs_doubleBuffer;
780 gs_doubleBuffer = (wxBitmap*) NULL;
781
782 #if INSTALL_TOPLEV_HANDLER
783 delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
784 m_toplevEvtHandler = (wxEvtHandler*) NULL;
785 #endif
786
787 DestroyPopup();
788
789 RemoveEventHandler(m_extraEvtHandler);
790
791 if ( m_text )
792 m_text->RemoveEventHandler(m_textEvtHandler);
793
794 delete m_textEvtHandler;
795 delete m_extraEvtHandler;
796 }
797
798
799 // ----------------------------------------------------------------------------
800 // geometry stuff
801 // ----------------------------------------------------------------------------
802
803 // Recalculates button and textctrl areas
804 void wxComboCtrlBase::CalculateAreas( int btnWidth )
805 {
806 wxSize sz = GetClientSize();
807 int customBorder = m_widthCustomBorder;
808 int btnBorder; // border for button only
809
810 // check if button should really be outside the border: we'll do it it if
811 // its platform default or bitmap+pushbutton background is used, but not if
812 // there is vertical size adjustment or horizontal spacing.
813 if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
814 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
815 m_btnSpacingX == 0 &&
816 m_btnHei <= 0 )
817 {
818 m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
819 btnBorder = 0;
820 }
821 else
822 {
823 m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
824 btnBorder = customBorder;
825 }
826
827 // Defaul indentation
828 if ( m_absIndent < 0 )
829 m_absIndent = GetNativeTextIndent();
830
831 int butWidth = btnWidth;
832
833 if ( butWidth <= 0 )
834 butWidth = m_btnWidDefault;
835 else
836 m_btnWidDefault = butWidth;
837
838 if ( butWidth <= 0 )
839 return;
840
841 int butHeight = sz.y - btnBorder*2;
842
843 // Adjust button width
844 if ( m_btnWid > 0 )
845 butWidth = m_btnWid;
846 else
847 {
848 // Adjust button width to match aspect ratio
849 // (but only if control is smaller than best size).
850 int bestHeight = GetBestSize().y;
851 int height = GetSize().y;
852
853 if ( height < bestHeight )
854 {
855 // Make very small buttons square, as it makes
856 // them accommodate arrow image better and still
857 // looks decent.
858 if ( height > 18 )
859 butWidth = (height*butWidth)/bestHeight;
860 else
861 butWidth = butHeight;
862 }
863 }
864
865 // Adjust button height
866 if ( m_btnHei > 0 )
867 butHeight = m_btnHei;
868
869 // Use size of normal bitmap if...
870 // It is larger
871 // OR
872 // button width is set to default and blank button bg is not drawn
873 if ( m_bmpNormal.Ok() )
874 {
875 int bmpReqWidth = m_bmpNormal.GetWidth();
876 int bmpReqHeight = m_bmpNormal.GetHeight();
877
878 // If drawing blank button background, we need to add some margin.
879 if ( m_blankButtonBg )
880 {
881 bmpReqWidth += BMP_BUTTON_MARGIN*2;
882 bmpReqHeight += BMP_BUTTON_MARGIN*2;
883 }
884
885 if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
886 butWidth = bmpReqWidth;
887 if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
888 butHeight = bmpReqHeight;
889
890 // Need to fix height?
891 if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
892 {
893 int newY = butHeight+(customBorder*2);
894 SetClientSize(wxDefaultCoord,newY);
895 sz.y = newY;
896 }
897 }
898
899 int butAreaWid = butWidth + (m_btnSpacingX*2);
900
901 m_btnSize.x = butWidth;
902 m_btnSize.y = butHeight;
903
904 m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
905 m_btnArea.y = btnBorder;
906 m_btnArea.width = butAreaWid;
907 m_btnArea.height = sz.y - (btnBorder*2);
908
909 m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
910 m_tcArea.y = customBorder;
911 m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
912 m_tcArea.height = sz.y - (customBorder*2);
913
914 /*
915 if ( m_text )
916 {
917 ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
918 wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
919 }
920 */
921 }
922
923 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
924 {
925 if ( !m_text )
926 return;
927
928 wxSize sz = GetClientSize();
929 int customBorder = m_widthCustomBorder;
930
931 if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
932 {
933 // Centre textctrl
934 int tcSizeY = m_text->GetBestSize().y;
935 int diff = sz.y - tcSizeY;
936 int y = textCtrlYAdjust + (diff/2);
937
938 if ( y < customBorder )
939 y = customBorder;
940
941 m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
942 y,
943 m_tcArea.width - COMBO_MARGIN -
944 (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
945 -1 );
946
947 // Make sure textctrl doesn't exceed the bottom custom border
948 wxSize tsz = m_text->GetSize();
949 diff = (y + tsz.y) - (sz.y - customBorder);
950 if ( diff >= 0 )
951 {
952 tsz.y = tsz.y - diff - 1;
953 m_text->SetSize(tsz);
954 }
955 }
956 else
957 {
958 m_text->SetSize( m_tcArea.x,
959 0,
960 sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
961 sz.y );
962 }
963 }
964
965 wxSize wxComboCtrlBase::DoGetBestSize() const
966 {
967 wxSize sizeText(150,0);
968
969 if ( m_text )
970 sizeText = m_text->GetBestSize();
971
972 // TODO: Better method to calculate close-to-native control height.
973
974 int fhei;
975 if ( m_font.Ok() )
976 fhei = (m_font.GetPointSize()*2) + 5;
977 else if ( wxNORMAL_FONT->Ok() )
978 fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
979 else
980 fhei = sizeText.y + 4;
981
982 // Need to force height to accomodate bitmap?
983 int btnSizeY = m_btnSize.y;
984 if ( m_bmpNormal.Ok() && fhei < btnSizeY )
985 fhei = btnSizeY;
986
987 // Control height doesn't depend on border
988 /*
989 // Add border
990 int border = m_windowStyle & wxBORDER_MASK;
991 if ( border == wxSIMPLE_BORDER )
992 fhei += 2;
993 else if ( border == wxNO_BORDER )
994 fhei += (m_widthCustomBorder*2);
995 else
996 // Sunken etc.
997 fhei += 4;
998 */
999
1000 // Final adjustments
1001 #ifdef __WXGTK__
1002 fhei += 1;
1003 #endif
1004
1005 wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
1006 fhei);
1007
1008 CacheBestSize(ret);
1009 return ret;
1010 }
1011
1012 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
1013 {
1014 if ( !IsCreated() )
1015 return;
1016
1017 // defined by actual wxComboCtrls
1018 OnResize();
1019
1020 event.Skip();
1021 }
1022
1023 // ----------------------------------------------------------------------------
1024 // standard operations
1025 // ----------------------------------------------------------------------------
1026
1027 bool wxComboCtrlBase::Enable(bool enable)
1028 {
1029 if ( !wxControl::Enable(enable) )
1030 return false;
1031
1032 if ( m_btn )
1033 m_btn->Enable(enable);
1034 if ( m_text )
1035 m_text->Enable(enable);
1036
1037 return true;
1038 }
1039
1040 bool wxComboCtrlBase::Show(bool show)
1041 {
1042 if ( !wxControl::Show(show) )
1043 return false;
1044
1045 if (m_btn)
1046 m_btn->Show(show);
1047
1048 if (m_text)
1049 m_text->Show(show);
1050
1051 return true;
1052 }
1053
1054 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1055 {
1056 if ( !wxControl::SetFont(font) )
1057 return false;
1058
1059 if (m_text)
1060 m_text->SetFont(font);
1061
1062 return true;
1063 }
1064
1065 #if wxUSE_TOOLTIPS
1066 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1067 {
1068 wxControl::DoSetToolTip(tooltip);
1069
1070 // Set tool tip for button and text box
1071 if ( tooltip )
1072 {
1073 const wxString &tip = tooltip->GetTip();
1074 if ( m_text ) m_text->SetToolTip(tip);
1075 if ( m_btn ) m_btn->SetToolTip(tip);
1076 }
1077 else
1078 {
1079 if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1080 if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1081 }
1082 }
1083 #endif // wxUSE_TOOLTIPS
1084
1085 // ----------------------------------------------------------------------------
1086 // painting
1087 // ----------------------------------------------------------------------------
1088
1089 // draw focus background on area in a way typical on platform
1090 void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags ) const
1091 {
1092 wxSize sz = GetClientSize();
1093 bool isEnabled;
1094 bool isFocused; // also selected
1095
1096 // For smaller size control (and for disabled background) use less spacing
1097 int focusSpacingX;
1098 int focusSpacingY;
1099
1100 if ( !(flags & wxCONTROL_ISSUBMENU) )
1101 {
1102 // Drawing control
1103 isEnabled = IsEnabled();
1104 isFocused = ShouldDrawFocus();
1105
1106 // Windows-style: for smaller size control (and for disabled background) use less spacing
1107 focusSpacingX = isEnabled ? 2 : 1;
1108 focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1109 }
1110 else
1111 {
1112 // Drawing a list item
1113 isEnabled = true; // they are never disabled
1114 isFocused = flags & wxCONTROL_SELECTED ? true : false;
1115
1116 focusSpacingX = 0;
1117 focusSpacingY = 0;
1118 }
1119
1120 // Set the background sub-rectangle for selection, disabled etc
1121 wxRect selRect(rect);
1122 selRect.y += focusSpacingY;
1123 selRect.height -= (focusSpacingY*2);
1124
1125 int wcp = 0;
1126
1127 if ( !(flags & wxCONTROL_ISSUBMENU) )
1128 wcp += m_widthCustomPaint;
1129
1130 selRect.x += wcp + focusSpacingX;
1131 selRect.width -= wcp + (focusSpacingX*2);
1132
1133 wxColour bgCol;
1134
1135 if ( isEnabled )
1136 {
1137 // If popup is hidden and this control is focused,
1138 // then draw the focus-indicator (selbgcolor background etc.).
1139 if ( isFocused )
1140 {
1141 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1142 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1143 }
1144 else
1145 {
1146 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1147 bgCol = GetBackgroundColour();
1148 }
1149 }
1150 else
1151 {
1152 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1153 bgCol = GetBackgroundColour();
1154 }
1155
1156 dc.SetBrush( bgCol );
1157 dc.SetPen( bgCol );
1158 dc.DrawRectangle( selRect );
1159 }
1160
1161 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1162 {
1163 int drawState = m_btnState;
1164
1165 #ifdef __WXGTK__
1166 if ( m_isPopupShown )
1167 drawState |= wxCONTROL_PRESSED;
1168 #endif
1169
1170 wxRect drawRect(rect.x+m_btnSpacingX,
1171 rect.y+((rect.height-m_btnSize.y)/2),
1172 m_btnSize.x,
1173 m_btnSize.y);
1174
1175 // Make sure area is not larger than the control
1176 if ( drawRect.y < rect.y )
1177 drawRect.y = rect.y;
1178 if ( drawRect.height > rect.height )
1179 drawRect.height = rect.height;
1180
1181 bool enabled = IsEnabled();
1182
1183 if ( !enabled )
1184 drawState |= wxCONTROL_DISABLED;
1185
1186 if ( !m_bmpNormal.Ok() )
1187 {
1188 // Need to clear button background even if m_btn is present
1189 if ( paintBg )
1190 {
1191 wxColour bgCol;
1192
1193 if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1194 bgCol = GetParent()->GetBackgroundColour();
1195 else
1196 bgCol = GetBackgroundColour();
1197
1198 dc.SetBrush(bgCol);
1199 dc.SetPen(bgCol);
1200 dc.DrawRectangle(rect);
1201 }
1202
1203 // Draw standard button
1204 wxRendererNative::Get().DrawComboBoxDropButton(this,
1205 dc,
1206 drawRect,
1207 drawState);
1208 }
1209 else
1210 {
1211 // Draw bitmap
1212
1213 wxBitmap* pBmp;
1214
1215 if ( !enabled )
1216 pBmp = &m_bmpDisabled;
1217 else if ( m_btnState & wxCONTROL_PRESSED )
1218 pBmp = &m_bmpPressed;
1219 else if ( m_btnState & wxCONTROL_CURRENT )
1220 pBmp = &m_bmpHover;
1221 else
1222 pBmp = &m_bmpNormal;
1223
1224 if ( m_blankButtonBg )
1225 {
1226 // If using blank button background, we need to clear its background
1227 // with button face colour instead of colour for rest of the control.
1228 if ( paintBg )
1229 {
1230 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1231 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1232 dc.SetPen(bgCol);
1233 dc.SetBrush(bgCol);
1234 dc.DrawRectangle(rect);
1235 }
1236
1237 wxRendererNative::Get().DrawPushButton(this,
1238 dc,
1239 drawRect,
1240 drawState);
1241
1242 }
1243 else
1244
1245 {
1246 // Need to clear button background even if m_btn is present
1247 // (assume non-button background was cleared just before this call so brushes are good)
1248 if ( paintBg )
1249 dc.DrawRectangle(rect);
1250 }
1251
1252 // Draw bitmap centered in drawRect
1253 dc.DrawBitmap(*pBmp,
1254 drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1255 drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1256 true);
1257 }
1258 }
1259
1260 void wxComboCtrlBase::RecalcAndRefresh()
1261 {
1262 if ( IsCreated() )
1263 {
1264 wxSizeEvent evt(GetSize(),GetId());
1265 GetEventHandler()->ProcessEvent(evt);
1266 Refresh();
1267 }
1268 }
1269
1270 wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const
1271 {
1272 // If size is larger, recalculate double buffer bitmap
1273 if ( !gs_doubleBuffer ||
1274 sz.x > gs_doubleBuffer->GetWidth() ||
1275 sz.y > gs_doubleBuffer->GetHeight() )
1276 {
1277 delete gs_doubleBuffer;
1278 gs_doubleBuffer = new wxBitmap(sz.x+25,sz.y);
1279 }
1280 return *gs_doubleBuffer;
1281 }
1282
1283 // ----------------------------------------------------------------------------
1284 // miscellaneous event handlers
1285 // ----------------------------------------------------------------------------
1286
1287 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1288 {
1289 // Change event id, object and string before relaying it forward
1290 event.SetId(GetId());
1291 wxString s = event.GetString();
1292 event.SetEventObject(this);
1293 event.SetString(s);
1294 event.Skip();
1295 }
1296
1297 // call if cursor is on button area or mouse is captured for the button
1298 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1299 int flags )
1300 {
1301 int type = event.GetEventType();
1302
1303 if ( type == wxEVT_MOTION )
1304 {
1305 if ( flags & wxCC_MF_ON_BUTTON )
1306 {
1307 if ( !(m_btnState & wxCONTROL_CURRENT) )
1308 {
1309 // Mouse hover begins
1310 m_btnState |= wxCONTROL_CURRENT;
1311 if ( HasCapture() ) // Retain pressed state.
1312 m_btnState |= wxCONTROL_PRESSED;
1313 Refresh();
1314 }
1315 }
1316 else if ( (m_btnState & wxCONTROL_CURRENT) )
1317 {
1318 // Mouse hover ends
1319 m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1320 Refresh();
1321 }
1322 }
1323 else if ( type == wxEVT_LEFT_DOWN )
1324 {
1325 // Only accept event if it wasn't right after popup dismiss
1326 //if ( ::wxGetLocalTimeMillis() > m_timeCanClick )
1327 {
1328 // Need to test this, because it might be outside.
1329 if ( flags & wxCC_MF_ON_BUTTON )
1330 {
1331 m_btnState |= wxCONTROL_PRESSED;
1332 Refresh();
1333
1334 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1335 OnButtonClick();
1336 else
1337 // If showing popup now, do not capture mouse or there will be interference
1338 CaptureMouse();
1339 }
1340 }
1341 /*else
1342 {
1343 m_btnState = 0;
1344 }*/
1345 }
1346 else if ( type == wxEVT_LEFT_UP )
1347 {
1348
1349 // Only accept event if mouse was left-press was previously accepted
1350 if ( HasCapture() )
1351 ReleaseMouse();
1352
1353 if ( m_btnState & wxCONTROL_PRESSED )
1354 {
1355 // If mouse was inside, fire the click event.
1356 if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1357 {
1358 if ( flags & wxCC_MF_ON_BUTTON )
1359 OnButtonClick();
1360 }
1361
1362 m_btnState &= ~(wxCONTROL_PRESSED);
1363 Refresh();
1364 }
1365 }
1366 else if ( type == wxEVT_LEAVE_WINDOW )
1367 {
1368 if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1369 {
1370 m_btnState &= ~(wxCONTROL_CURRENT);
1371
1372 // Mouse hover ends
1373 if ( !m_isPopupShown )
1374 {
1375 m_btnState &= ~(wxCONTROL_PRESSED);
1376 Refresh();
1377 }
1378 }
1379 }
1380 else
1381 return false;
1382
1383 return true;
1384 }
1385
1386 // Conversion to double-clicks and some basic filtering
1387 // returns true if event was consumed or filtered
1388 //bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea )
1389 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1390 int flags )
1391 {
1392 wxLongLong t = ::wxGetLocalTimeMillis();
1393 int evtType = event.GetEventType();
1394
1395 //
1396 // Generate our own double-clicks
1397 // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
1398 if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) &&
1399 !m_isPopupShown &&
1400 //!(handlerFlags & wxCC_MF_ON_BUTTON) )
1401 !(flags & wxCC_MF_ON_BUTTON) )
1402 {
1403 if ( evtType == wxEVT_LEFT_DOWN )
1404 {
1405 // Set value to avoid up-events without corresponding downs
1406 m_downReceived = true;
1407 }
1408 else if ( evtType == wxEVT_LEFT_DCLICK )
1409 {
1410 // We'll make our own double-clicks
1411 //evtType = 0;
1412 event.SetEventType(0);
1413 return true;
1414 }
1415 else if ( evtType == wxEVT_LEFT_UP )
1416 {
1417 if ( m_downReceived || m_timeLastMouseUp == 1 )
1418 {
1419 wxLongLong timeFromLastUp = (t-m_timeLastMouseUp);
1420
1421 if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD )
1422 {
1423 //type = wxEVT_LEFT_DCLICK;
1424 event.SetEventType(wxEVT_LEFT_DCLICK);
1425 m_timeLastMouseUp = 1;
1426 }
1427 else
1428 {
1429 m_timeLastMouseUp = t;
1430 }
1431
1432 //m_downReceived = false;
1433 }
1434 }
1435 }
1436
1437 // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1438 if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1439 {
1440 event.SetEventType(0);
1441 return true;
1442 }
1443
1444 return false;
1445 }
1446
1447 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1448 {
1449 int evtType = event.GetEventType();
1450
1451 if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1452 (m_windowStyle & wxCB_READONLY) )
1453 {
1454 if ( m_isPopupShown )
1455 {
1456 #if !wxUSE_POPUPWIN
1457 // Normally do nothing - evt handler should close it for us
1458 #elif !USE_TRANSIENT_POPUP
1459 // Click here always hides the popup.
1460 HidePopup();
1461 #endif
1462 }
1463 else
1464 {
1465 if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1466 {
1467 // In read-only mode, clicking the text is the
1468 // same as clicking the button.
1469 OnButtonClick();
1470 }
1471 else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1472 {
1473 //if ( m_popupInterface->CycleValue() )
1474 // Refresh();
1475 if ( m_popupInterface )
1476 m_popupInterface->OnComboDoubleClick();
1477 }
1478 }
1479 }
1480 else
1481 if ( m_isPopupShown )
1482 {
1483 // relay (some) mouse events to the popup
1484 if ( evtType == wxEVT_MOUSEWHEEL )
1485 m_popup->AddPendingEvent(event);
1486 }
1487 else if ( evtType )
1488 event.Skip();
1489 }
1490
1491 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& )
1492 {
1493 // First click is the first part of double-click
1494 // Some platforms don't generate down-less mouse up-event
1495 // (Windows does, GTK+2 doesn't), so that's why we have
1496 // to do this.
1497 m_timeLastMouseUp = ::wxGetLocalTimeMillis();
1498
1499 if ( m_text )
1500 {
1501 m_text->SetFocus();
1502 }
1503 else
1504 // no need to check for m_widthCustomPaint - that
1505 // area never gets special handling when selected
1506 // (in writable mode, that is)
1507 Refresh();
1508 }
1509
1510 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1511 {
1512 OnThemeChange();
1513 // indentation may also have changed
1514 if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1515 m_absIndent = GetNativeTextIndent();
1516 RecalcAndRefresh();
1517 }
1518
1519 // ----------------------------------------------------------------------------
1520 // popup handling
1521 // ----------------------------------------------------------------------------
1522
1523 // Create popup window and the child control
1524 void wxComboCtrlBase::CreatePopup()
1525 {
1526 wxComboPopup* popupInterface = m_popupInterface;
1527 wxWindow* popup;
1528
1529 if ( !m_winPopup )
1530 m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1531
1532 popupInterface->Create(m_winPopup);
1533 m_popup = popup = popupInterface->GetControl();
1534
1535 m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1536 popup->PushEventHandler( m_popupExtraHandler );
1537
1538 // This may be helpful on some platforms
1539 // (eg. it bypasses a wxGTK popupwindow bug where
1540 // window is not initially hidden when it should be)
1541 m_winPopup->Hide();
1542
1543 popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1544 }
1545
1546 // Destroy popup window and the child control
1547 void wxComboCtrlBase::DestroyPopup()
1548 {
1549 if ( m_popup )
1550 m_popup->RemoveEventHandler(m_popupExtraHandler);
1551
1552 delete m_popupExtraHandler;
1553
1554 HidePopup();
1555
1556 delete m_popupInterface;
1557
1558 if ( m_winPopup )
1559 m_winPopup->Destroy();
1560
1561 m_popupExtraHandler = (wxEvtHandler*) NULL;
1562 m_popupInterface = (wxComboPopup*) NULL;
1563 m_winPopup = (wxWindow*) NULL;
1564 m_popup = (wxWindow*) NULL;
1565 }
1566
1567 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1568 {
1569 wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1570
1571 DestroyPopup();
1572
1573 iface->InitBase(this);
1574 iface->Init();
1575
1576 m_popupInterface = iface;
1577
1578 if ( !iface->LazyCreate() )
1579 {
1580 CreatePopup();
1581 }
1582 else
1583 {
1584 m_popup = (wxWindow*) NULL;
1585 }
1586
1587 // This must be done after creation
1588 if ( m_valueString.length() )
1589 {
1590 iface->SetStringValue(m_valueString);
1591 //Refresh();
1592 }
1593 }
1594
1595 // Ensures there is atleast the default popup
1596 void wxComboCtrlBase::EnsurePopupControl()
1597 {
1598 if ( !m_popupInterface )
1599 SetPopupControl(NULL);
1600 }
1601
1602 void wxComboCtrlBase::OnButtonClick()
1603 {
1604 // Derived classes can override this method for totally custom
1605 // popup action
1606 ShowPopup();
1607 }
1608
1609 void wxComboCtrlBase::ShowPopup()
1610 {
1611 EnsurePopupControl();
1612 wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1613
1614 SetFocus();
1615
1616 // Space above and below
1617 int screenHeight;
1618 wxPoint scrPos;
1619 int spaceAbove;
1620 int spaceBelow;
1621 int maxHeightPopup;
1622 wxSize ctrlSz = GetSize();
1623
1624 screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1625 scrPos = GetParent()->ClientToScreen(GetPosition());
1626
1627 spaceAbove = scrPos.y;
1628 spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1629
1630 maxHeightPopup = spaceBelow;
1631 if ( spaceAbove > spaceBelow )
1632 maxHeightPopup = spaceAbove;
1633
1634 // Width
1635 int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1636
1637 if ( widthPopup < m_widthMinPopup )
1638 widthPopup = m_widthMinPopup;
1639
1640 wxWindow* winPopup = m_winPopup;
1641 wxWindow* popup;
1642
1643 // Need to disable tab traversal of parent
1644 //
1645 // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1646 // by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1647 // that if transient popup is open, then tab traversal is to be ignored.
1648 // However, I think this code would still be needed for cases where
1649 // transient popup doesn't work yet (wxWinCE?).
1650 wxWindow* parent = GetParent();
1651 int parentFlags = parent->GetWindowStyle();
1652 if ( parentFlags & wxTAB_TRAVERSAL )
1653 {
1654 parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1655 m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1656 }
1657
1658 if ( !winPopup )
1659 {
1660 CreatePopup();
1661 winPopup = m_winPopup;
1662 popup = m_popup;
1663 }
1664 else
1665 {
1666 popup = m_popup;
1667 }
1668
1669 wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1670
1671 wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1672 m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1673 maxHeightPopup);
1674
1675 popup->SetSize(adjustedSize);
1676 popup->Move(0,0);
1677 m_popupInterface->OnPopup();
1678
1679 //
1680 // Reposition and resize popup window
1681 //
1682
1683 wxSize szp = popup->GetSize();
1684
1685 int popupX;
1686 int popupY = scrPos.y + ctrlSz.y;
1687
1688 // Default anchor is wxLEFT
1689 int anchorSide = m_anchorSide;
1690 if ( !anchorSide )
1691 anchorSide = wxLEFT;
1692
1693 int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
1694 int leftX = scrPos.x - m_extLeft;
1695 int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
1696
1697 // If there is not enough horizontal space, anchor on the other side.
1698 // If there is no space even then, place the popup at x 0.
1699 if ( anchorSide == wxRIGHT )
1700 {
1701 if ( rightX < 0 )
1702 {
1703 if ( (leftX+szp.x) < screenWidth )
1704 anchorSide = wxLEFT;
1705 else
1706 anchorSide = 0;
1707 }
1708 }
1709 else
1710 {
1711 if ( (leftX+szp.x) >= screenWidth )
1712 {
1713 if ( rightX >= 0 )
1714 anchorSide = wxRIGHT;
1715 else
1716 anchorSide = 0;
1717 }
1718 }
1719
1720 // Select x coordinate according to the anchor side
1721 if ( anchorSide == wxRIGHT )
1722 popupX = rightX;
1723 else if ( anchorSide == wxLEFT )
1724 popupX = leftX;
1725 else
1726 popupX = 0;
1727
1728 if ( spaceBelow < szp.y )
1729 {
1730 popupY = scrPos.y - szp.y;
1731 }
1732
1733 // Move to position
1734 //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1735 //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1736
1737 // Some platforms (GTK) may need these two to be separate
1738 winPopup->SetSize( szp.x, szp.y );
1739 winPopup->Move( popupX, popupY );
1740
1741 //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1742
1743 m_popup = popup;
1744
1745 // Set string selection (must be this way instead of SetStringSelection)
1746 if ( m_text )
1747 {
1748 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1749 m_text->SelectAll();
1750
1751 m_popupInterface->SetStringValue( m_text->GetValue() );
1752 }
1753 else
1754 {
1755 // This is neede since focus/selection indication may change when popup is shown
1756 Refresh();
1757 }
1758
1759 // This must be after SetStringValue
1760 m_isPopupShown = true;
1761
1762 // Show it
1763 #if USE_TRANSIENT_POPUP
1764 ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1765 #else
1766 winPopup->Show();
1767 #endif
1768
1769 #if INSTALL_TOPLEV_HANDLER
1770 // Put top level window event handler into place
1771 if ( !m_toplevEvtHandler )
1772 m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1773
1774 wxWindow* toplev = ::wxGetTopLevelParent( this );
1775 wxASSERT( toplev );
1776 ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1777 toplev->PushEventHandler( m_toplevEvtHandler );
1778 #endif
1779
1780 }
1781
1782 void wxComboCtrlBase::OnPopupDismiss()
1783 {
1784 // Just in case, avoid double dismiss
1785 if ( !m_isPopupShown )
1786 return;
1787
1788 // *Must* set this before focus etc.
1789 m_isPopupShown = false;
1790
1791 // Inform popup control itself
1792 m_popupInterface->OnDismiss();
1793
1794 if ( m_popupExtraHandler )
1795 ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1796
1797 #if INSTALL_TOPLEV_HANDLER
1798 // Remove top level window event handler
1799 if ( m_toplevEvtHandler )
1800 {
1801 wxWindow* toplev = ::wxGetTopLevelParent( this );
1802 if ( toplev )
1803 toplev->RemoveEventHandler( m_toplevEvtHandler );
1804 }
1805 #endif
1806
1807 m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1808
1809 // If cursor not on dropdown button, then clear its state
1810 // (technically not required by all ports, but do it for all just in case)
1811 if ( !m_btnArea.Inside(ScreenToClient(::wxGetMousePosition())) )
1812 m_btnState = 0;
1813
1814 // Return parent's tab traversal flag.
1815 // See ShowPopup for notes.
1816 if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1817 {
1818 wxWindow* parent = GetParent();
1819 parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1820 m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1821 }
1822
1823 // refresh control (necessary even if m_text)
1824 Refresh();
1825
1826 #if !wxUSE_POPUPWIN
1827 SetFocus();
1828 #endif
1829
1830 }
1831
1832 void wxComboCtrlBase::HidePopup()
1833 {
1834 // Should be able to call this without popup interface
1835 //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1836 if ( !m_isPopupShown )
1837 return;
1838
1839 // transfer value and show it in textctrl, if any
1840 SetValue( m_popupInterface->GetStringValue() );
1841
1842 #if USE_TRANSIENT_POPUP
1843 ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1844 #else
1845 m_winPopup->Hide();
1846 #endif
1847
1848 OnPopupDismiss();
1849 }
1850
1851 // ----------------------------------------------------------------------------
1852 // customization methods
1853 // ----------------------------------------------------------------------------
1854
1855 void wxComboCtrlBase::SetButtonPosition( int width, int height,
1856 int side, int spacingX )
1857 {
1858 m_btnWid = width;
1859 m_btnHei = height;
1860 m_btnSide = side;
1861 m_btnSpacingX = spacingX;
1862
1863 RecalcAndRefresh();
1864 }
1865
1866 wxSize wxComboCtrlBase::GetButtonSize()
1867 {
1868 if ( m_btnSize.x > 0 )
1869 return m_btnSize;
1870
1871 wxSize retSize(m_btnWid,m_btnHei);
1872
1873 // Need to call CalculateAreas now if button size is
1874 // is not explicitly specified.
1875 if ( retSize.x <= 0 || retSize.y <= 0)
1876 {
1877 OnResize();
1878
1879 retSize = m_btnSize;
1880 }
1881
1882 return retSize;
1883 }
1884
1885 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1886 bool blankButtonBg,
1887 const wxBitmap& bmpPressed,
1888 const wxBitmap& bmpHover,
1889 const wxBitmap& bmpDisabled )
1890 {
1891 m_bmpNormal = bmpNormal;
1892 m_blankButtonBg = blankButtonBg;
1893
1894 if ( bmpPressed.Ok() )
1895 m_bmpPressed = bmpPressed;
1896 else
1897 m_bmpPressed = bmpNormal;
1898
1899 if ( bmpHover.Ok() )
1900 m_bmpHover = bmpHover;
1901 else
1902 m_bmpHover = bmpNormal;
1903
1904 if ( bmpDisabled.Ok() )
1905 m_bmpDisabled = bmpDisabled;
1906 else
1907 m_bmpDisabled = bmpNormal;
1908
1909 RecalcAndRefresh();
1910 }
1911
1912 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1913 {
1914 if ( m_text )
1915 {
1916 // move textctrl accordingly
1917 wxRect r = m_text->GetRect();
1918 int inc = width - m_widthCustomPaint;
1919 r.x += inc;
1920 r.width -= inc;
1921 m_text->SetSize( r );
1922 }
1923
1924 m_widthCustomPaint = width;
1925
1926 RecalcAndRefresh();
1927 }
1928
1929 void wxComboCtrlBase::SetTextIndent( int indent )
1930 {
1931 if ( indent < 0 )
1932 {
1933 m_absIndent = GetNativeTextIndent();
1934 m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1935 }
1936 else
1937 {
1938 m_absIndent = indent;
1939 m_iFlags |= wxCC_IFLAG_INDENT_SET;
1940 }
1941
1942 RecalcAndRefresh();
1943 }
1944
1945 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1946 {
1947 return DEFAULT_TEXT_INDENT;
1948 }
1949
1950 // ----------------------------------------------------------------------------
1951 // methods forwarded to wxTextCtrl
1952 // ----------------------------------------------------------------------------
1953
1954 wxString wxComboCtrlBase::GetValue() const
1955 {
1956 if ( m_text )
1957 return m_text->GetValue();
1958 return m_valueString;
1959 }
1960
1961 void wxComboCtrlBase::SetValue(const wxString& value)
1962 {
1963 if ( m_text )
1964 {
1965 m_text->SetValue(value);
1966 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1967 m_text->SelectAll();
1968 }
1969
1970 m_valueString = value;
1971
1972 Refresh();
1973
1974 // Since wxComboPopup may want to paint the combo as well, we need
1975 // to set the string value here (as well as sometimes in ShowPopup).
1976 if ( m_valueString != value && m_popupInterface )
1977 {
1978 m_popupInterface->SetStringValue(value);
1979 }
1980 }
1981
1982 // In this SetValue variant wxComboPopup::SetStringValue is not called
1983 void wxComboCtrlBase::SetText(const wxString& value)
1984 {
1985 // Unlike in SetValue(), this must be called here or
1986 // the behaviour will no be consistent in readonlys.
1987 EnsurePopupControl();
1988
1989 m_valueString = value;
1990
1991 Refresh();
1992 }
1993
1994 void wxComboCtrlBase::Copy()
1995 {
1996 if ( m_text )
1997 m_text->Copy();
1998 }
1999
2000 void wxComboCtrlBase::Cut()
2001 {
2002 if ( m_text )
2003 m_text->Cut();
2004 }
2005
2006 void wxComboCtrlBase::Paste()
2007 {
2008 if ( m_text )
2009 m_text->Paste();
2010 }
2011
2012 void wxComboCtrlBase::SetInsertionPoint(long pos)
2013 {
2014 if ( m_text )
2015 m_text->SetInsertionPoint(pos);
2016 }
2017
2018 void wxComboCtrlBase::SetInsertionPointEnd()
2019 {
2020 if ( m_text )
2021 m_text->SetInsertionPointEnd();
2022 }
2023
2024 long wxComboCtrlBase::GetInsertionPoint() const
2025 {
2026 if ( m_text )
2027 return m_text->GetInsertionPoint();
2028
2029 return 0;
2030 }
2031
2032 long wxComboCtrlBase::GetLastPosition() const
2033 {
2034 if ( m_text )
2035 return m_text->GetLastPosition();
2036
2037 return 0;
2038 }
2039
2040 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2041 {
2042 if ( m_text )
2043 m_text->Replace(from, to, value);
2044 }
2045
2046 void wxComboCtrlBase::Remove(long from, long to)
2047 {
2048 if ( m_text )
2049 m_text->Remove(from, to);
2050 }
2051
2052 void wxComboCtrlBase::SetSelection(long from, long to)
2053 {
2054 if ( m_text )
2055 m_text->SetSelection(from, to);
2056 }
2057
2058 void wxComboCtrlBase::Undo()
2059 {
2060 if ( m_text )
2061 m_text->Undo();
2062 }
2063
2064 #endif // wxUSE_COMBOCTRL