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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 )
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 = 0;
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 if ( m_btnWid > 0 )
847 butWidth = m_btnWid;
848 else
849 {
850 // Adjust button width to match aspect ratio
851 // (but only if control is smaller than best size).
852 int bestHeight = GetBestSize().y;
853 int height = GetSize().y;
854
855 if ( height < bestHeight )
856 {
857 // Make very small buttons square, as it makes
858 // them accommodate arrow image better and still
859 // looks decent.
860 if ( height > 18 )
861 butWidth = (height*butWidth)/bestHeight;
862 else
863 butWidth = butHeight;
864 }
865 }
866
867 // Adjust button height
868 if ( m_btnHei < 0 )
869 butHeight += m_btnHei;
870 else if ( m_btnHei > 0 )
871 butHeight = m_btnHei;
872
873 // Use size of normal bitmap if...
874 // It is larger
875 // OR
876 // button width is set to default and blank button bg is not drawn
877 if ( m_bmpNormal.Ok() )
878 {
879 int bmpReqWidth = m_bmpNormal.GetWidth();
880 int bmpReqHeight = m_bmpNormal.GetHeight();
881
882 // If drawing blank button background, we need to add some margin.
883 if ( m_blankButtonBg )
884 {
885 bmpReqWidth += BMP_BUTTON_MARGIN*2;
886 bmpReqHeight += BMP_BUTTON_MARGIN*2;
887 }
888
889 if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
890 butWidth = bmpReqWidth;
891 if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
892 butHeight = bmpReqHeight;
893
894 // Need to fix height?
895 if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
896 {
897 int newY = butHeight+(customBorder*2);
898 SetClientSize(wxDefaultCoord,newY);
899 sz.y = newY;
900 }
901 }
902
903 int butAreaWid = butWidth + (m_btnSpacingX*2);
904
905 m_btnSize.x = butWidth;
906 m_btnSize.y = butHeight;
907
908 m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
909 m_btnArea.y = btnBorder;
910 m_btnArea.width = butAreaWid;
911 m_btnArea.height = sz.y - (btnBorder*2);
912
913 m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
914 m_tcArea.y = customBorder;
915 m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
916 m_tcArea.height = sz.y - (customBorder*2);
917
918 /*
919 if ( m_text )
920 {
921 ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
922 wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
923 }
924 */
925 }
926
927 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
928 {
929 if ( !m_text )
930 return;
931
932 wxSize sz = GetClientSize();
933 int customBorder = m_widthCustomBorder;
934
935 if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
936 {
937 // Centre textctrl
938 int tcSizeY = m_text->GetBestSize().y;
939 int diff = sz.y - tcSizeY;
940 int y = textCtrlYAdjust + (diff/2);
941
942 if ( y < customBorder )
943 y = customBorder;
944
945 m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
946 y,
947 m_tcArea.width - COMBO_MARGIN -
948 (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
949 -1 );
950
951 // Make sure textctrl doesn't exceed the bottom custom border
952 wxSize tsz = m_text->GetSize();
953 diff = (y + tsz.y) - (sz.y - customBorder);
954 if ( diff >= 0 )
955 {
956 tsz.y = tsz.y - diff - 1;
957 m_text->SetSize(tsz);
958 }
959 }
960 else
961 {
962 m_text->SetSize( m_tcArea.x,
963 0,
964 sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
965 sz.y );
966 }
967 }
968
969 wxSize wxComboCtrlBase::DoGetBestSize() const
970 {
971 wxSize sizeText(150,0);
972
973 if ( m_text )
974 sizeText = m_text->GetBestSize();
975
976 // TODO: Better method to calculate close-to-native control height.
977
978 int fhei;
979 if ( m_font.Ok() )
980 fhei = (m_font.GetPointSize()*2) + 5;
981 else if ( wxNORMAL_FONT->Ok() )
982 fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
983 else
984 fhei = sizeText.y + 4;
985
986 // Need to force height to accomodate bitmap?
987 int btnSizeY = m_btnSize.y;
988 if ( m_bmpNormal.Ok() && fhei < btnSizeY )
989 fhei = btnSizeY;
990
991 // Control height doesn't depend on border
992 /*
993 // Add border
994 int border = m_windowStyle & wxBORDER_MASK;
995 if ( border == wxSIMPLE_BORDER )
996 fhei += 2;
997 else if ( border == wxNO_BORDER )
998 fhei += (m_widthCustomBorder*2);
999 else
1000 // Sunken etc.
1001 fhei += 4;
1002 */
1003
1004 // Final adjustments
1005 #ifdef __WXGTK__
1006 fhei += 1;
1007 #endif
1008
1009 wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
1010 fhei);
1011
1012 CacheBestSize(ret);
1013 return ret;
1014 }
1015
1016 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
1017 {
1018 if ( !IsCreated() )
1019 return;
1020
1021 // defined by actual wxComboCtrls
1022 OnResize();
1023
1024 event.Skip();
1025 }
1026
1027 // ----------------------------------------------------------------------------
1028 // standard operations
1029 // ----------------------------------------------------------------------------
1030
1031 bool wxComboCtrlBase::Enable(bool enable)
1032 {
1033 if ( !wxControl::Enable(enable) )
1034 return false;
1035
1036 if ( m_btn )
1037 m_btn->Enable(enable);
1038 if ( m_text )
1039 m_text->Enable(enable);
1040
1041 return true;
1042 }
1043
1044 bool wxComboCtrlBase::Show(bool show)
1045 {
1046 if ( !wxControl::Show(show) )
1047 return false;
1048
1049 if (m_btn)
1050 m_btn->Show(show);
1051
1052 if (m_text)
1053 m_text->Show(show);
1054
1055 return true;
1056 }
1057
1058 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1059 {
1060 if ( !wxControl::SetFont(font) )
1061 return false;
1062
1063 if (m_text)
1064 m_text->SetFont(font);
1065
1066 return true;
1067 }
1068
1069 #if wxUSE_TOOLTIPS
1070 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1071 {
1072 wxControl::DoSetToolTip(tooltip);
1073
1074 // Set tool tip for button and text box
1075 if ( tooltip )
1076 {
1077 const wxString &tip = tooltip->GetTip();
1078 if ( m_text ) m_text->SetToolTip(tip);
1079 if ( m_btn ) m_btn->SetToolTip(tip);
1080 }
1081 else
1082 {
1083 if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1084 if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1085 }
1086 }
1087 #endif // wxUSE_TOOLTIPS
1088
1089 // ----------------------------------------------------------------------------
1090 // painting
1091 // ----------------------------------------------------------------------------
1092
1093 // draw focus background on area in a way typical on platform
1094 void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags ) const
1095 {
1096 wxSize sz = GetClientSize();
1097 bool isEnabled;
1098 bool isFocused; // also selected
1099
1100 // For smaller size control (and for disabled background) use less spacing
1101 int focusSpacingX;
1102 int focusSpacingY;
1103
1104 if ( !(flags & wxCONTROL_ISSUBMENU) )
1105 {
1106 // Drawing control
1107 isEnabled = IsEnabled();
1108 isFocused = ShouldDrawFocus();
1109
1110 // Windows-style: for smaller size control (and for disabled background) use less spacing
1111 focusSpacingX = isEnabled ? 2 : 1;
1112 focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1113 }
1114 else
1115 {
1116 // Drawing a list item
1117 isEnabled = true; // they are never disabled
1118 isFocused = flags & wxCONTROL_SELECTED ? true : false;
1119
1120 focusSpacingX = 0;
1121 focusSpacingY = 0;
1122 }
1123
1124 // Set the background sub-rectangle for selection, disabled etc
1125 wxRect selRect(rect);
1126 selRect.y += focusSpacingY;
1127 selRect.height -= (focusSpacingY*2);
1128
1129 int wcp = 0;
1130
1131 if ( !(flags & wxCONTROL_ISSUBMENU) )
1132 wcp += m_widthCustomPaint;
1133
1134 selRect.x += wcp + focusSpacingX;
1135 selRect.width -= wcp + (focusSpacingX*2);
1136
1137 wxColour bgCol;
1138
1139 if ( isEnabled )
1140 {
1141 // If popup is hidden and this control is focused,
1142 // then draw the focus-indicator (selbgcolor background etc.).
1143 if ( isFocused )
1144 {
1145 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1146 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1147 }
1148 else
1149 {
1150 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1151 bgCol = GetBackgroundColour();
1152 }
1153 }
1154 else
1155 {
1156 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1157 bgCol = GetBackgroundColour();
1158 }
1159
1160 dc.SetBrush( bgCol );
1161 dc.SetPen( bgCol );
1162 dc.DrawRectangle( selRect );
1163 }
1164
1165 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1166 {
1167 int drawState = m_btnState;
1168
1169 #ifdef __WXGTK__
1170 if ( m_isPopupShown )
1171 drawState |= wxCONTROL_PRESSED;
1172 #endif
1173
1174 wxRect drawRect(rect.x+m_btnSpacingX,
1175 rect.y+((rect.height-m_btnSize.y)/2),
1176 m_btnSize.x,
1177 m_btnSize.y);
1178
1179 // Make sure area is not larger than the control
1180 if ( drawRect.y < rect.y )
1181 drawRect.y = rect.y;
1182 if ( drawRect.height > rect.height )
1183 drawRect.height = rect.height;
1184
1185 bool enabled = IsEnabled();
1186
1187 if ( !enabled )
1188 drawState |= wxCONTROL_DISABLED;
1189
1190 if ( !m_bmpNormal.Ok() )
1191 {
1192 // Need to clear button background even if m_btn is present
1193 if ( paintBg )
1194 {
1195 wxColour bgCol;
1196
1197 if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1198 bgCol = GetParent()->GetBackgroundColour();
1199 else
1200 bgCol = GetBackgroundColour();
1201
1202 dc.SetBrush(bgCol);
1203 dc.SetPen(bgCol);
1204 dc.DrawRectangle(rect);
1205 }
1206
1207 // Draw standard button
1208 wxRendererNative::Get().DrawComboBoxDropButton(this,
1209 dc,
1210 drawRect,
1211 drawState);
1212 }
1213 else
1214 {
1215 // Draw bitmap
1216
1217 wxBitmap* pBmp;
1218
1219 if ( !enabled )
1220 pBmp = &m_bmpDisabled;
1221 else if ( m_btnState & wxCONTROL_PRESSED )
1222 pBmp = &m_bmpPressed;
1223 else if ( m_btnState & wxCONTROL_CURRENT )
1224 pBmp = &m_bmpHover;
1225 else
1226 pBmp = &m_bmpNormal;
1227
1228 if ( m_blankButtonBg )
1229 {
1230 // If using blank button background, we need to clear its background
1231 // with button face colour instead of colour for rest of the control.
1232 if ( paintBg )
1233 {
1234 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1235 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1236 dc.SetPen(bgCol);
1237 dc.SetBrush(bgCol);
1238 dc.DrawRectangle(rect);
1239 }
1240
1241 wxRendererNative::Get().DrawPushButton(this,
1242 dc,
1243 drawRect,
1244 drawState);
1245
1246 }
1247 else
1248
1249 {
1250 // Need to clear button background even if m_btn is present
1251 // (assume non-button background was cleared just before this call so brushes are good)
1252 if ( paintBg )
1253 dc.DrawRectangle(rect);
1254 }
1255
1256 // Draw bitmap centered in drawRect
1257 dc.DrawBitmap(*pBmp,
1258 drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1259 drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1260 true);
1261 }
1262 }
1263
1264 void wxComboCtrlBase::RecalcAndRefresh()
1265 {
1266 if ( IsCreated() )
1267 {
1268 wxSizeEvent evt(GetSize(),GetId());
1269 GetEventHandler()->ProcessEvent(evt);
1270 Refresh();
1271 }
1272 }
1273
1274 wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const
1275 {
1276 // If size is larger, recalculate double buffer bitmap
1277 if ( !gs_doubleBuffer ||
1278 sz.x > gs_doubleBuffer->GetWidth() ||
1279 sz.y > gs_doubleBuffer->GetHeight() )
1280 {
1281 delete gs_doubleBuffer;
1282 gs_doubleBuffer = new wxBitmap(sz.x+25,sz.y);
1283 }
1284 return *gs_doubleBuffer;
1285 }
1286
1287 // ----------------------------------------------------------------------------
1288 // miscellaneous event handlers
1289 // ----------------------------------------------------------------------------
1290
1291 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1292 {
1293 // Change event id and relay it forward
1294 event.SetId(GetId());
1295 event.Skip();
1296 }
1297
1298 // call if cursor is on button area or mouse is captured for the button
1299 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1300 int flags )
1301 {
1302 int type = event.GetEventType();
1303
1304 if ( type == wxEVT_MOTION )
1305 {
1306 if ( flags & wxCC_MF_ON_BUTTON )
1307 {
1308 if ( !(m_btnState & wxCONTROL_CURRENT) )
1309 {
1310 // Mouse hover begins
1311 m_btnState |= wxCONTROL_CURRENT;
1312 if ( HasCapture() ) // Retain pressed state.
1313 m_btnState |= wxCONTROL_PRESSED;
1314 Refresh();
1315 }
1316 }
1317 else if ( (m_btnState & wxCONTROL_CURRENT) )
1318 {
1319 // Mouse hover ends
1320 m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1321 Refresh();
1322 }
1323 }
1324 else if ( type == wxEVT_LEFT_DOWN )
1325 {
1326 // Only accept event if it wasn't right after popup dismiss
1327 //if ( ::wxGetLocalTimeMillis() > m_timeCanClick )
1328 {
1329 // Need to test this, because it might be outside.
1330 if ( flags & wxCC_MF_ON_BUTTON )
1331 {
1332 m_btnState |= wxCONTROL_PRESSED;
1333 Refresh();
1334
1335 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1336 OnButtonClick();
1337 else
1338 // If showing popup now, do not capture mouse or there will be interference
1339 CaptureMouse();
1340 }
1341 }
1342 /*else
1343 {
1344 m_btnState = 0;
1345 }*/
1346 }
1347 else if ( type == wxEVT_LEFT_UP )
1348 {
1349
1350 // Only accept event if mouse was left-press was previously accepted
1351 if ( HasCapture() )
1352 ReleaseMouse();
1353
1354 if ( m_btnState & wxCONTROL_PRESSED )
1355 {
1356 // If mouse was inside, fire the click event.
1357 if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1358 {
1359 if ( flags & wxCC_MF_ON_BUTTON )
1360 OnButtonClick();
1361 }
1362
1363 m_btnState &= ~(wxCONTROL_PRESSED);
1364 Refresh();
1365 }
1366 }
1367 else if ( type == wxEVT_LEAVE_WINDOW )
1368 {
1369 if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1370 {
1371 m_btnState &= ~(wxCONTROL_CURRENT);
1372
1373 // Mouse hover ends
1374 if ( !m_isPopupShown )
1375 {
1376 m_btnState &= ~(wxCONTROL_PRESSED);
1377 Refresh();
1378 }
1379 }
1380 }
1381 else
1382 return false;
1383
1384 return true;
1385 }
1386
1387 // Conversion to double-clicks and some basic filtering
1388 // returns true if event was consumed or filtered
1389 //bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea )
1390 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1391 int flags )
1392 {
1393 wxLongLong t = ::wxGetLocalTimeMillis();
1394 int evtType = event.GetEventType();
1395
1396 //
1397 // Generate our own double-clicks
1398 // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
1399 if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) &&
1400 !m_isPopupShown &&
1401 //!(handlerFlags & wxCC_MF_ON_BUTTON) )
1402 !(flags & wxCC_MF_ON_BUTTON) )
1403 {
1404 if ( evtType == wxEVT_LEFT_DOWN )
1405 {
1406 // Set value to avoid up-events without corresponding downs
1407 m_downReceived = true;
1408 }
1409 else if ( evtType == wxEVT_LEFT_DCLICK )
1410 {
1411 // We'll make our own double-clicks
1412 //evtType = 0;
1413 event.SetEventType(0);
1414 return true;
1415 }
1416 else if ( evtType == wxEVT_LEFT_UP )
1417 {
1418 if ( m_downReceived || m_timeLastMouseUp == 1 )
1419 {
1420 wxLongLong timeFromLastUp = (t-m_timeLastMouseUp);
1421
1422 if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD )
1423 {
1424 //type = wxEVT_LEFT_DCLICK;
1425 event.SetEventType(wxEVT_LEFT_DCLICK);
1426 m_timeLastMouseUp = 1;
1427 }
1428 else
1429 {
1430 m_timeLastMouseUp = t;
1431 }
1432
1433 //m_downReceived = false;
1434 }
1435 }
1436 }
1437
1438 // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1439 if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1440 {
1441 event.SetEventType(0);
1442 return true;
1443 }
1444
1445 return false;
1446 }
1447
1448 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1449 {
1450 int evtType = event.GetEventType();
1451
1452 if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1453 (m_windowStyle & wxCB_READONLY) )
1454 {
1455 if ( m_isPopupShown )
1456 {
1457 #if !wxUSE_POPUPWIN
1458 // Normally do nothing - evt handler should close it for us
1459 #elif !USE_TRANSIENT_POPUP
1460 // Click here always hides the popup.
1461 HidePopup();
1462 #endif
1463 }
1464 else
1465 {
1466 if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1467 {
1468 // In read-only mode, clicking the text is the
1469 // same as clicking the button.
1470 OnButtonClick();
1471 }
1472 else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1473 {
1474 //if ( m_popupInterface->CycleValue() )
1475 // Refresh();
1476 if ( m_popupInterface )
1477 m_popupInterface->OnComboDoubleClick();
1478 }
1479 }
1480 }
1481 else
1482 if ( m_isPopupShown )
1483 {
1484 // relay (some) mouse events to the popup
1485 if ( evtType == wxEVT_MOUSEWHEEL )
1486 m_popup->AddPendingEvent(event);
1487 }
1488 else if ( evtType )
1489 event.Skip();
1490 }
1491
1492 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& )
1493 {
1494 // First click is the first part of double-click
1495 // Some platforms don't generate down-less mouse up-event
1496 // (Windows does, GTK+2 doesn't), so that's why we have
1497 // to do this.
1498 m_timeLastMouseUp = ::wxGetLocalTimeMillis();
1499
1500 if ( m_text )
1501 {
1502 m_text->SetFocus();
1503 }
1504 else
1505 // no need to check for m_widthCustomPaint - that
1506 // area never gets special handling when selected
1507 // (in writable mode, that is)
1508 Refresh();
1509 }
1510
1511 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1512 {
1513 OnThemeChange();
1514 // indentation may also have changed
1515 if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1516 m_absIndent = GetNativeTextIndent();
1517 RecalcAndRefresh();
1518 }
1519
1520 // ----------------------------------------------------------------------------
1521 // popup handling
1522 // ----------------------------------------------------------------------------
1523
1524 // Create popup window and the child control
1525 void wxComboCtrlBase::CreatePopup()
1526 {
1527 wxComboPopup* popupInterface = m_popupInterface;
1528 wxWindow* popup;
1529
1530 if ( !m_winPopup )
1531 m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1532
1533 popupInterface->Create(m_winPopup);
1534 m_popup = popup = popupInterface->GetControl();
1535
1536 m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1537 popup->PushEventHandler( m_popupExtraHandler );
1538
1539 // This may be helpful on some platforms
1540 // (eg. it bypasses a wxGTK popupwindow bug where
1541 // window is not initially hidden when it should be)
1542 m_winPopup->Hide();
1543
1544 popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1545 }
1546
1547 // Destroy popup window and the child control
1548 void wxComboCtrlBase::DestroyPopup()
1549 {
1550 if ( m_popup )
1551 m_popup->RemoveEventHandler(m_popupExtraHandler);
1552
1553 delete m_popupExtraHandler;
1554
1555 HidePopup();
1556
1557 delete m_popupInterface;
1558
1559 if ( m_winPopup )
1560 m_winPopup->Destroy();
1561
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 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1867 bool blankButtonBg,
1868 const wxBitmap& bmpPressed,
1869 const wxBitmap& bmpHover,
1870 const wxBitmap& bmpDisabled )
1871 {
1872 m_bmpNormal = bmpNormal;
1873 m_blankButtonBg = blankButtonBg;
1874
1875 if ( bmpPressed.Ok() )
1876 m_bmpPressed = bmpPressed;
1877 else
1878 m_bmpPressed = bmpNormal;
1879
1880 if ( bmpHover.Ok() )
1881 m_bmpHover = bmpHover;
1882 else
1883 m_bmpHover = bmpNormal;
1884
1885 if ( bmpDisabled.Ok() )
1886 m_bmpDisabled = bmpDisabled;
1887 else
1888 m_bmpDisabled = bmpNormal;
1889
1890 RecalcAndRefresh();
1891 }
1892
1893 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1894 {
1895 if ( m_text )
1896 {
1897 // move textctrl accordingly
1898 wxRect r = m_text->GetRect();
1899 int inc = width - m_widthCustomPaint;
1900 r.x += inc;
1901 r.width -= inc;
1902 m_text->SetSize( r );
1903 }
1904
1905 m_widthCustomPaint = width;
1906
1907 RecalcAndRefresh();
1908 }
1909
1910 void wxComboCtrlBase::SetTextIndent( int indent )
1911 {
1912 if ( indent < 0 )
1913 {
1914 m_absIndent = GetNativeTextIndent();
1915 m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1916 }
1917 else
1918 {
1919 m_absIndent = indent;
1920 m_iFlags |= wxCC_IFLAG_INDENT_SET;
1921 }
1922
1923 RecalcAndRefresh();
1924 }
1925
1926 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1927 {
1928 return DEFAULT_TEXT_INDENT;
1929 }
1930
1931 // ----------------------------------------------------------------------------
1932 // methods forwarded to wxTextCtrl
1933 // ----------------------------------------------------------------------------
1934
1935 wxString wxComboCtrlBase::GetValue() const
1936 {
1937 if ( m_text )
1938 return m_text->GetValue();
1939 return m_valueString;
1940 }
1941
1942 void wxComboCtrlBase::SetValue(const wxString& value)
1943 {
1944 if ( m_text )
1945 {
1946 m_text->SetValue(value);
1947 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1948 m_text->SelectAll();
1949 }
1950
1951 m_valueString = value;
1952
1953 Refresh();
1954
1955 // Since wxComboPopup may want to paint the combo as well, we need
1956 // to set the string value here (as well as sometimes in ShowPopup).
1957 if ( m_valueString != value && m_popupInterface )
1958 {
1959 m_popupInterface->SetStringValue(value);
1960 }
1961 }
1962
1963 // In this SetValue variant wxComboPopup::SetStringValue is not called
1964 void wxComboCtrlBase::SetText(const wxString& value)
1965 {
1966 // Unlike in SetValue(), this must be called here or
1967 // the behaviour will no be consistent in readonlys.
1968 EnsurePopupControl();
1969
1970 m_valueString = value;
1971
1972 Refresh();
1973 }
1974
1975 void wxComboCtrlBase::Copy()
1976 {
1977 if ( m_text )
1978 m_text->Copy();
1979 }
1980
1981 void wxComboCtrlBase::Cut()
1982 {
1983 if ( m_text )
1984 m_text->Cut();
1985 }
1986
1987 void wxComboCtrlBase::Paste()
1988 {
1989 if ( m_text )
1990 m_text->Paste();
1991 }
1992
1993 void wxComboCtrlBase::SetInsertionPoint(long pos)
1994 {
1995 if ( m_text )
1996 m_text->SetInsertionPoint(pos);
1997 }
1998
1999 void wxComboCtrlBase::SetInsertionPointEnd()
2000 {
2001 if ( m_text )
2002 m_text->SetInsertionPointEnd();
2003 }
2004
2005 long wxComboCtrlBase::GetInsertionPoint() const
2006 {
2007 if ( m_text )
2008 return m_text->GetInsertionPoint();
2009
2010 return 0;
2011 }
2012
2013 long wxComboCtrlBase::GetLastPosition() const
2014 {
2015 if ( m_text )
2016 return m_text->GetLastPosition();
2017
2018 return 0;
2019 }
2020
2021 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2022 {
2023 if ( m_text )
2024 m_text->Replace(from, to, value);
2025 }
2026
2027 void wxComboCtrlBase::Remove(long from, long to)
2028 {
2029 if ( m_text )
2030 m_text->Remove(from, to);
2031 }
2032
2033 void wxComboCtrlBase::SetSelection(long from, long to)
2034 {
2035 if ( m_text )
2036 m_text->SetSelection(from, to);
2037 }
2038
2039 void wxComboCtrlBase::Undo()
2040 {
2041 if ( m_text )
2042 m_text->Undo();
2043 }
2044
2045 #endif // wxUSE_COMBOCTRL