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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: combocmn.cpp
3 // Purpose: wxComboControlBase
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_COMBOCONTROL
27
28 #ifndef WX_PRECOMP
29 #include "wx/defs.h"
30 #include "wx/log.h"
31 #include "wx/combobox.h"
32 #include "wx/dcclient.h"
33 #include "wx/settings.h"
34 #include "wx/dialog.h"
35 #endif
36
37 #include "wx/dcbuffer.h"
38 #include "wx/tooltip.h"
39 #include "wx/timer.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( wxComboControlBase* 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 wxComboControlBase* 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( wxComboControlBase* 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 // wxComboControl.
254 // ----------------------------------------------------------------------------
255
256 class wxComboPopupWindow : public wxComboPopupWindowBase
257 {
258 public:
259
260 wxComboPopupWindow( wxComboControlBase *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( wxComboControlBase *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 wxComboControl* combo = (wxComboControl*) GetParent();
331 wxASSERT( combo );
332 wxASSERT( combo->IsKindOf(CLASSINFO(wxComboControl)) );
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 wxComboControlBase* combo = (wxComboControlBase*) GetParent();
353 wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboControlBase)),
354 wxT("parent might not be wxComboControl, 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( wxComboControlBase* 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( wxComboControlBase* 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 wxComboControlBase* 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( wxComboControlBase* 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 wxComboControlBase::OnPopupDismiss
561 void OnPopupDismiss()
562 {
563 m_beenInside = false;
564 }
565
566 protected:
567 wxComboControlBase* 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 // wxComboControlBase
639 // ----------------------------------------------------------------------------
640
641
642 BEGIN_EVENT_TABLE(wxComboControlBase, wxControl)
643 EVT_TEXT(wxID_ANY,wxComboControlBase::OnTextCtrlEvent)
644 EVT_SIZE(wxComboControlBase::OnSizeEvent)
645 EVT_SET_FOCUS(wxComboControlBase::OnFocusEvent)
646 EVT_KILL_FOCUS(wxComboControlBase::OnFocusEvent)
647 //EVT_BUTTON(wxID_ANY,wxComboControlBase::OnButtonClickEvent)
648 EVT_TEXT_ENTER(wxID_ANY,wxComboControlBase::OnTextCtrlEvent)
649 EVT_SYS_COLOUR_CHANGED(wxComboControlBase::OnSysColourChanged)
650 END_EVENT_TABLE()
651
652
653 IMPLEMENT_ABSTRACT_CLASS(wxComboControlBase, wxControl)
654
655 // Have global double buffer - should be enough for multiple combos
656 static wxBitmap* gs_doubleBuffer = (wxBitmap*) NULL;
657
658 void wxComboControlBase::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 wxComboControlBase::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 return true;
721 }
722
723 void wxComboControlBase::InstallInputHandlers( bool alsoTextCtrl )
724 {
725 if ( m_text && alsoTextCtrl )
726 {
727 m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
728 m_text->PushEventHandler(m_textEvtHandler);
729 }
730
731 wxComboBoxExtraInputHandler* inputHandler = new wxComboBoxExtraInputHandler(this);
732 PushEventHandler(inputHandler);
733 m_extraEvtHandler = inputHandler;
734 }
735
736 void wxComboControlBase::CreateTextCtrl( int extraStyle, const wxValidator& validator )
737 {
738 if ( !(m_windowStyle & wxCB_READONLY) )
739 {
740 m_text = new wxTextCtrl(this,
741 12345,
742 m_valueString,
743 wxDefaultPosition,
744 wxDefaultSize,
745 // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
746 // not used by the wxPropertyGrid and therefore the tab is
747 // processed by looking at ancestors to see if they have
748 // wxTAB_TRAVERSAL. The navigation event is then sent to
749 // the wrong window.
750 wxTE_PROCESS_TAB |
751 wxTE_PROCESS_ENTER |
752 extraStyle,
753 validator);
754
755 // This is required for some platforms (GTK+ atleast)
756 m_text->SetSizeHints(2,4);
757 }
758 }
759
760 void wxComboControlBase::OnThemeChange()
761 {
762 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
763 }
764
765 wxComboControlBase::~wxComboControlBase()
766 {
767 if ( HasCapture() )
768 ReleaseMouse();
769
770 delete gs_doubleBuffer;
771 gs_doubleBuffer = (wxBitmap*) NULL;
772
773 #if INSTALL_TOPLEV_HANDLER
774 delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
775 m_toplevEvtHandler = (wxEvtHandler*) NULL;
776 #endif
777
778 if ( m_popup )
779 m_popup->RemoveEventHandler(m_popupExtraHandler);
780
781 delete m_popupExtraHandler;
782
783 HidePopup();
784
785 delete m_popupInterface;
786 delete m_winPopup;
787
788 RemoveEventHandler(m_extraEvtHandler);
789
790 if ( m_text )
791 m_text->RemoveEventHandler(m_textEvtHandler);
792
793 delete m_textEvtHandler;
794 delete m_extraEvtHandler;
795 }
796
797
798 // ----------------------------------------------------------------------------
799 // geometry stuff
800 // ----------------------------------------------------------------------------
801
802 // Recalculates button and textctrl areas
803 void wxComboControlBase::CalculateAreas( int btnWidth )
804 {
805 wxSize sz = GetClientSize();
806 int customBorder = m_widthCustomBorder;
807 bool buttonOutside;
808 int btnBorder; // border for button only
809
810 if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) || m_blankButtonBg ) &&
811 m_btnSpacingX == 0 && m_btnWid == 0 && m_btnHei == 0 &&
812 (!m_bmpNormal.Ok() || m_blankButtonBg) )
813 {
814 buttonOutside = true;
815 m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
816 btnBorder = 0;
817 }
818 else
819 {
820 buttonOutside = false;
821 m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
822 btnBorder = customBorder;
823 }
824
825 // Defaul indentation
826 if ( m_absIndent < 0 )
827 m_absIndent = GetNativeTextIndent();
828
829 int butWidth = btnWidth;
830
831 if ( butWidth <= 0 )
832 butWidth = m_btnWidDefault;
833 else
834 m_btnWidDefault = butWidth;
835
836 if ( butWidth <= 0 )
837 return;
838
839 // Adjust button width
840 if ( m_btnWid < 0 )
841 butWidth += m_btnWid;
842 else if ( m_btnWid > 0 )
843 butWidth = m_btnWid;
844
845 int butHeight = sz.y;
846
847 butHeight -= btnBorder*2;
848
849 // Adjust button height
850 if ( m_btnHei < 0 )
851 butHeight += m_btnHei;
852 else if ( m_btnHei > 0 )
853 butHeight = m_btnHei;
854
855 // Use size of normal bitmap if...
856 // It is larger
857 // OR
858 // button width is set to default and blank button bg is not drawn
859 if ( m_bmpNormal.Ok() )
860 {
861 int bmpReqWidth = m_bmpNormal.GetWidth();
862 int bmpReqHeight = m_bmpNormal.GetHeight();
863
864 // If drawing blank button background, we need to add some margin.
865 if ( m_blankButtonBg )
866 {
867 bmpReqWidth += BMP_BUTTON_MARGIN*2;
868 bmpReqHeight += BMP_BUTTON_MARGIN*2;
869 }
870
871 if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
872 butWidth = bmpReqWidth;
873 if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
874 butHeight = bmpReqHeight;
875
876 // Need to fix height?
877 if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
878 {
879 int newY = butHeight+(customBorder*2);
880 SetClientSize(-1,newY);
881 sz.y = newY;
882 }
883 }
884
885 int butAreaWid = butWidth + (m_btnSpacingX*2);
886
887 m_btnSize.x = butWidth;
888 m_btnSize.y = butHeight;
889
890 m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
891 m_btnArea.y = btnBorder;
892 m_btnArea.width = butAreaWid;
893 m_btnArea.height = sz.y - (btnBorder*2);
894
895 m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
896 m_tcArea.y = customBorder;
897 m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
898 m_tcArea.height = sz.y - (customBorder*2);
899
900 /*
901 if ( m_text )
902 {
903 ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
904 wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
905 }
906 */
907 }
908
909 void wxComboControlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
910 {
911 if ( !m_text )
912 return;
913
914 wxSize sz = GetClientSize();
915 int customBorder = m_widthCustomBorder;
916
917 if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
918 {
919 // Centre textctrl
920 int tcSizeY = m_text->GetBestSize().y;
921 int diff = sz.y - tcSizeY;
922 int y = textCtrlYAdjust + (diff/2);
923
924 if ( y < customBorder )
925 y = customBorder;
926
927 m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
928 y,
929 m_tcArea.width - COMBO_MARGIN -
930 (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
931 -1 );
932
933 // Make sure textctrl doesn't exceed the bottom custom border
934 wxSize tsz = m_text->GetSize();
935 diff = (y + tsz.y) - (sz.y - customBorder);
936 if ( diff >= 0 )
937 {
938 tsz.y = tsz.y - diff - 1;
939 m_text->SetSize(tsz);
940 }
941 }
942 else
943 {
944 m_text->SetSize( m_tcArea.x,
945 0,
946 sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
947 sz.y );
948 }
949 }
950
951 wxSize wxComboControlBase::DoGetBestSize() const
952 {
953 wxSize sizeText(150,0);
954
955 if ( m_text )
956 sizeText = m_text->GetBestSize();
957
958 // TODO: Better method to calculate close-to-native control height.
959
960 int fhei;
961 if ( m_font.Ok() )
962 fhei = (m_font.GetPointSize()*2) + 5;
963 else if ( wxNORMAL_FONT->Ok() )
964 fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
965 else
966 fhei = sizeText.y + 4;
967
968 // Need to force height to accomodate bitmap?
969 int btnSizeY = m_btnSize.y;
970 if ( m_bmpNormal.Ok() && fhei < btnSizeY )
971 fhei = btnSizeY;
972
973 // Control height doesn't depend on border
974 /*
975 // Add border
976 int border = m_windowStyle & wxBORDER_MASK;
977 if ( border == wxSIMPLE_BORDER )
978 fhei += 2;
979 else if ( border == wxNO_BORDER )
980 fhei += (m_widthCustomBorder*2);
981 else
982 // Sunken etc.
983 fhei += 4;
984 */
985
986 // Final adjustments
987 #ifdef __WXGTK__
988 fhei += 1;
989 #endif
990
991 wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
992 fhei);
993
994 CacheBestSize(ret);
995 return ret;
996 }
997
998 void wxComboControlBase::DoMoveWindow(int x, int y, int width, int height)
999 {
1000 // SetSize is called last in create, so it marks the end of creation
1001 m_iFlags |= wxCC_IFLAG_CREATED;
1002
1003 wxControl::DoMoveWindow(x, y, width, height);
1004 }
1005
1006 void wxComboControlBase::OnSizeEvent( wxSizeEvent& event )
1007 {
1008 if ( !IsCreated() )
1009 return;
1010
1011 // defined by actual wxComboControls
1012 OnResize();
1013
1014 event.Skip();
1015 }
1016
1017 // ----------------------------------------------------------------------------
1018 // standard operations
1019 // ----------------------------------------------------------------------------
1020
1021 bool wxComboControlBase::Enable(bool enable)
1022 {
1023 if ( !wxControl::Enable(enable) )
1024 return false;
1025
1026 if ( m_btn )
1027 m_btn->Enable(enable);
1028 if ( m_text )
1029 m_text->Enable(enable);
1030
1031 return true;
1032 }
1033
1034 bool wxComboControlBase::Show(bool show)
1035 {
1036 if ( !wxControl::Show(show) )
1037 return false;
1038
1039 if (m_btn)
1040 m_btn->Show(show);
1041
1042 if (m_text)
1043 m_text->Show(show);
1044
1045 return true;
1046 }
1047
1048 bool wxComboControlBase::SetFont ( const wxFont& font )
1049 {
1050 if ( !wxControl::SetFont(font) )
1051 return false;
1052
1053 if (m_text)
1054 m_text->SetFont(font);
1055
1056 return true;
1057 }
1058
1059 #if wxUSE_TOOLTIPS
1060 void wxComboControlBase::DoSetToolTip(wxToolTip *tooltip)
1061 {
1062 wxControl::DoSetToolTip(tooltip);
1063
1064 // Set tool tip for button and text box
1065 if ( tooltip )
1066 {
1067 const wxString &tip = tooltip->GetTip();
1068 if ( m_text ) m_text->SetToolTip(tip);
1069 if ( m_btn ) m_btn->SetToolTip(tip);
1070 }
1071 else
1072 {
1073 if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1074 if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1075 }
1076 }
1077 #endif // wxUSE_TOOLTIPS
1078
1079 // ----------------------------------------------------------------------------
1080 // painting
1081 // ----------------------------------------------------------------------------
1082
1083 // draw focus background on area in a way typical on platform
1084 void wxComboControlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags )
1085 {
1086 wxSize sz = GetClientSize();
1087 bool isEnabled;
1088 bool isFocused; // also selected
1089
1090 // For smaller size control (and for disabled background) use less spacing
1091 int focusSpacingX;
1092 int focusSpacingY;
1093
1094 if ( !(flags & wxCONTROL_ISSUBMENU) )
1095 {
1096 // Drawing control
1097 isEnabled = IsEnabled();
1098 isFocused = ShouldDrawFocus();
1099
1100 // Windows-style: for smaller size control (and for disabled background) use less spacing
1101 focusSpacingX = isEnabled ? 2 : 1;
1102 focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1103 }
1104 else
1105 {
1106 // Drawing a list item
1107 isEnabled = true; // they are never disabled
1108 isFocused = flags & wxCONTROL_SELECTED ? true : false;
1109
1110 focusSpacingX = 0;
1111 focusSpacingY = 0;
1112 }
1113
1114 // Set the background sub-rectangle for selection, disabled etc
1115 wxRect selRect(rect);
1116 selRect.y += focusSpacingY;
1117 selRect.height -= (focusSpacingY*2);
1118 selRect.x += m_widthCustomPaint + focusSpacingX;
1119 selRect.width -= m_widthCustomPaint + (focusSpacingX*2);
1120
1121 wxColour bgCol;
1122
1123 if ( isEnabled )
1124 {
1125 // If popup is hidden and this control is focused,
1126 // then draw the focus-indicator (selbgcolor background etc.).
1127 if ( isFocused )
1128 {
1129 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1130 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1131 }
1132 else
1133 {
1134 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1135 bgCol = GetBackgroundColour();
1136 }
1137 }
1138 else
1139 {
1140 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1141 bgCol = GetBackgroundColour();
1142 }
1143
1144 dc.SetBrush( bgCol );
1145 dc.SetPen( bgCol );
1146 dc.DrawRectangle( selRect );
1147 }
1148
1149 void wxComboControlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1150 {
1151 int drawState = m_btnState;
1152
1153 #ifdef __WXGTK__
1154 if ( m_isPopupShown )
1155 drawState |= wxCONTROL_PRESSED;
1156 #endif
1157
1158 wxRect drawRect(rect.x+m_btnSpacingX,
1159 rect.y+((rect.height-m_btnSize.y)/2),
1160 m_btnSize.x,
1161 m_btnSize.y);
1162
1163 // Make sure area is not larger than the control
1164 if ( drawRect.y < rect.y )
1165 drawRect.y = rect.y;
1166 if ( drawRect.height > rect.height )
1167 drawRect.height = rect.height;
1168
1169 bool enabled = IsEnabled();
1170
1171 if ( !enabled )
1172 drawState |= wxCONTROL_DISABLED;
1173
1174 if ( !m_bmpNormal.Ok() )
1175 {
1176 // Need to clear button background even if m_btn is present
1177 // (assume non-button background was cleared just before this call so brushes are good)
1178 if ( paintBg )
1179 dc.DrawRectangle(rect);
1180
1181 // Draw standard button
1182 wxRendererNative::Get().DrawComboBoxDropButton(this,
1183 dc,
1184 drawRect,
1185 drawState);
1186 }
1187 else
1188 {
1189 // Draw bitmap
1190
1191 wxBitmap* pBmp;
1192
1193 if ( !enabled )
1194 pBmp = &m_bmpDisabled;
1195 else if ( m_btnState & wxCONTROL_PRESSED )
1196 pBmp = &m_bmpPressed;
1197 else if ( m_btnState & wxCONTROL_CURRENT )
1198 pBmp = &m_bmpHover;
1199 else
1200 pBmp = &m_bmpNormal;
1201
1202 if ( m_blankButtonBg )
1203 {
1204 // If using blank button background, we need to clear its background
1205 // with button face colour instead of colour for rest of the control.
1206 if ( paintBg )
1207 {
1208 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1209 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1210 dc.SetPen(bgCol);
1211 dc.SetBrush(bgCol);
1212 dc.DrawRectangle(rect);
1213 }
1214
1215 wxRendererNative::Get().DrawPushButton(this,
1216 dc,
1217 drawRect,
1218 drawState);
1219
1220 }
1221 else
1222
1223 {
1224 // Need to clear button background even if m_btn is present
1225 // (assume non-button background was cleared just before this call so brushes are good)
1226 if ( paintBg )
1227 dc.DrawRectangle(rect);
1228 }
1229
1230 // Draw bitmap centered in drawRect
1231 dc.DrawBitmap(*pBmp,
1232 drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1233 drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1234 true);
1235 }
1236 }
1237
1238 void wxComboControlBase::RecalcAndRefresh()
1239 {
1240 if ( IsCreated() )
1241 {
1242 wxSizeEvent evt(GetSize(),GetId());
1243 GetEventHandler()->ProcessEvent(evt);
1244 Refresh();
1245 }
1246 }
1247
1248 wxBitmap& wxComboControlBase::GetBufferBitmap( const wxSize& sz ) const
1249 {
1250 // If size is larger, recalculate double buffer bitmap
1251 if ( !gs_doubleBuffer ||
1252 sz.x > gs_doubleBuffer->GetWidth() ||
1253 sz.y > gs_doubleBuffer->GetHeight() )
1254 {
1255 delete gs_doubleBuffer;
1256 gs_doubleBuffer = new wxBitmap(sz.x+25,sz.y);
1257 }
1258 return *gs_doubleBuffer;
1259 }
1260
1261 // ----------------------------------------------------------------------------
1262 // miscellaneous event handlers
1263 // ----------------------------------------------------------------------------
1264
1265 void wxComboControlBase::OnTextCtrlEvent(wxCommandEvent& event)
1266 {
1267 // Change event id and relay it forward
1268 event.SetId(GetId());
1269 event.Skip();
1270 }
1271
1272 // call if cursor is on button area or mouse is captured for the button
1273 bool wxComboControlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1274 int flags )
1275 {
1276 int type = event.GetEventType();
1277
1278 if ( type == wxEVT_MOTION )
1279 {
1280 if ( flags & wxCC_MF_ON_BUTTON )
1281 {
1282 if ( !(m_btnState & wxCONTROL_CURRENT) )
1283 {
1284 // Mouse hover begins
1285 m_btnState |= wxCONTROL_CURRENT;
1286 if ( HasCapture() ) // Retain pressed state.
1287 m_btnState |= wxCONTROL_PRESSED;
1288 Refresh();
1289 }
1290 }
1291 else if ( (m_btnState & wxCONTROL_CURRENT) )
1292 {
1293 // Mouse hover ends
1294 m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1295 Refresh();
1296 }
1297 }
1298 else if ( type == wxEVT_LEFT_DOWN )
1299 {
1300 // Only accept event if it wasn't right after popup dismiss
1301 //if ( ::wxGetLocalTimeMillis() > m_timeCanClick )
1302 {
1303 // Need to test this, because it might be outside.
1304 if ( flags & wxCC_MF_ON_BUTTON )
1305 {
1306 m_btnState |= wxCONTROL_PRESSED;
1307 Refresh();
1308
1309 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1310 OnButtonClick();
1311 else
1312 // If showing popup now, do not capture mouse or there will be interference
1313 CaptureMouse();
1314 }
1315 }
1316 /*else
1317 {
1318 m_btnState = 0;
1319 }*/
1320 }
1321 else if ( type == wxEVT_LEFT_UP )
1322 {
1323
1324 // Only accept event if mouse was left-press was previously accepted
1325 if ( HasCapture() )
1326 ReleaseMouse();
1327
1328 if ( m_btnState & wxCONTROL_PRESSED )
1329 {
1330 // If mouse was inside, fire the click event.
1331 if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1332 {
1333 if ( flags & wxCC_MF_ON_BUTTON )
1334 OnButtonClick();
1335 }
1336
1337 m_btnState &= ~(wxCONTROL_PRESSED);
1338 Refresh();
1339 }
1340 }
1341 else if ( type == wxEVT_LEAVE_WINDOW )
1342 {
1343 if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1344 {
1345 m_btnState &= ~(wxCONTROL_CURRENT);
1346
1347 // Mouse hover ends
1348 if ( !m_isPopupShown )
1349 {
1350 m_btnState &= ~(wxCONTROL_PRESSED);
1351 Refresh();
1352 }
1353 }
1354 }
1355 else
1356 return false;
1357
1358 return true;
1359 }
1360
1361 // Conversion to double-clicks and some basic filtering
1362 // returns true if event was consumed or filtered
1363 //bool wxComboControlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea )
1364 bool wxComboControlBase::PreprocessMouseEvent( wxMouseEvent& event,
1365 int flags )
1366 {
1367 wxLongLong t = ::wxGetLocalTimeMillis();
1368 int evtType = event.GetEventType();
1369
1370 //
1371 // Generate our own double-clicks
1372 // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
1373 if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) &&
1374 !m_isPopupShown &&
1375 //!(handlerFlags & wxCC_MF_ON_BUTTON) )
1376 !(flags & wxCC_MF_ON_BUTTON) )
1377 {
1378 if ( evtType == wxEVT_LEFT_DOWN )
1379 {
1380 // Set value to avoid up-events without corresponding downs
1381 m_downReceived = true;
1382 }
1383 else if ( evtType == wxEVT_LEFT_DCLICK )
1384 {
1385 // We'll make our own double-clicks
1386 //evtType = 0;
1387 event.SetEventType(0);
1388 return true;
1389 }
1390 else if ( evtType == wxEVT_LEFT_UP )
1391 {
1392 if ( m_downReceived || m_timeLastMouseUp == 1 )
1393 {
1394 wxLongLong timeFromLastUp = (t-m_timeLastMouseUp);
1395
1396 if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD )
1397 {
1398 //type = wxEVT_LEFT_DCLICK;
1399 event.SetEventType(wxEVT_LEFT_DCLICK);
1400 m_timeLastMouseUp = 1;
1401 }
1402 else
1403 {
1404 m_timeLastMouseUp = t;
1405 }
1406
1407 //m_downReceived = false;
1408 }
1409 }
1410 }
1411
1412 // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1413 if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1414 {
1415 event.SetEventType(0);
1416 return true;
1417 }
1418
1419 return false;
1420 }
1421
1422 void wxComboControlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1423 {
1424 int evtType = event.GetEventType();
1425
1426 if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1427 (m_windowStyle & wxCB_READONLY) )
1428 {
1429 if ( m_isPopupShown )
1430 {
1431 #if !wxUSE_POPUPWIN
1432 // Normally do nothing - evt handler should close it for us
1433 #elif !USE_TRANSIENT_POPUP
1434 // Click here always hides the popup.
1435 HidePopup();
1436 #endif
1437 }
1438 else
1439 {
1440 if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1441 {
1442 // In read-only mode, clicking the text is the
1443 // same as clicking the button.
1444 OnButtonClick();
1445 }
1446 else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1447 {
1448 //if ( m_popupInterface->CycleValue() )
1449 // Refresh();
1450 if ( m_popupInterface )
1451 m_popupInterface->OnComboDoubleClick();
1452 }
1453 }
1454 }
1455 else
1456 if ( m_isPopupShown )
1457 {
1458 // relay (some) mouse events to the popup
1459 if ( evtType == wxEVT_MOUSEWHEEL )
1460 m_popup->AddPendingEvent(event);
1461 }
1462 else if ( evtType )
1463 event.Skip();
1464 }
1465
1466 void wxComboControlBase::OnFocusEvent( wxFocusEvent& )
1467 {
1468 // First click is the first part of double-click
1469 // Some platforms don't generate down-less mouse up-event
1470 // (Windows does, GTK+2 doesn't), so that's why we have
1471 // to do this.
1472 m_timeLastMouseUp = ::wxGetLocalTimeMillis();
1473
1474 if ( m_text )
1475 {
1476 m_text->SetFocus();
1477 }
1478 else
1479 // no need to check for m_widthCustomPaint - that
1480 // area never gets special handling when selected
1481 // (in writable mode, that is)
1482 Refresh();
1483 }
1484
1485 void wxComboControlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1486 {
1487 OnThemeChange();
1488 // indentation may also have changed
1489 if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1490 m_absIndent = GetNativeTextIndent();
1491 RecalcAndRefresh();
1492 }
1493
1494 // ----------------------------------------------------------------------------
1495 // popup handling
1496 // ----------------------------------------------------------------------------
1497
1498 // Create popup window and the child control
1499 void wxComboControlBase::CreatePopup()
1500 {
1501 wxComboPopup* popupInterface = m_popupInterface;
1502 wxWindow* popup;
1503
1504 if ( !m_winPopup )
1505 m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1506
1507 popupInterface->Create(m_winPopup);
1508 m_popup = popup = popupInterface->GetControl();
1509
1510 m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1511 popup->PushEventHandler( m_popupExtraHandler );
1512
1513 // This may be helpful on some platforms
1514 // (eg. it bypasses a wxGTK popupwindow bug where
1515 // window is not initially hidden when it should be)
1516 m_winPopup->Hide();
1517
1518 popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1519 }
1520
1521 void wxComboControlBase::SetPopupControl( wxComboPopup* iface )
1522 {
1523 wxCHECK_RET( iface, wxT("no popup interface set for wxComboControl") );
1524
1525 delete m_popupInterface;
1526 delete m_winPopup;
1527
1528 iface->InitBase(this);
1529 iface->Init();
1530
1531 m_popupInterface = iface;
1532
1533 if ( !iface->LazyCreate() || m_winPopup )
1534 {
1535 CreatePopup();
1536 }
1537 else
1538 {
1539 m_popup = (wxWindow*) NULL;
1540 }
1541
1542 // This must be done after creation
1543 if ( m_valueString.length() )
1544 {
1545 iface->SetStringValue(m_valueString);
1546 //Refresh();
1547 }
1548 }
1549
1550 // Ensures there is atleast the default popup
1551 void wxComboControlBase::EnsurePopupControl()
1552 {
1553 if ( !m_popupInterface )
1554 SetPopupControl(NULL);
1555 }
1556
1557 void wxComboControlBase::OnButtonClick()
1558 {
1559 // Derived classes can override this method for totally custom
1560 // popup action
1561 ShowPopup();
1562 }
1563
1564 void wxComboControlBase::ShowPopup()
1565 {
1566 EnsurePopupControl();
1567 wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1568
1569 SetFocus();
1570
1571 // Space above and below
1572 int screenHeight;
1573 wxPoint scrPos;
1574 int spaceAbove;
1575 int spaceBelow;
1576 int maxHeightPopup;
1577 wxSize ctrlSz = GetSize();
1578
1579 screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1580 scrPos = GetParent()->ClientToScreen(GetPosition());
1581
1582 spaceAbove = scrPos.y;
1583 spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1584
1585 maxHeightPopup = spaceBelow;
1586 if ( spaceAbove > spaceBelow )
1587 maxHeightPopup = spaceAbove;
1588
1589 // Width
1590 int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1591
1592 if ( widthPopup < m_widthMinPopup )
1593 widthPopup = m_widthMinPopup;
1594
1595 wxWindow* winPopup = m_winPopup;
1596 wxWindow* popup;
1597
1598 // Need to disable tab traversal of parent
1599 //
1600 // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1601 // by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1602 // that if transient popup is open, then tab traversal is to be ignored.
1603 // However, I think this code would still be needed for cases where
1604 // transient popup doesn't work yet (wxWinCE?).
1605 wxWindow* parent = GetParent();
1606 int parentFlags = parent->GetWindowStyle();
1607 if ( parentFlags & wxTAB_TRAVERSAL )
1608 {
1609 parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1610 m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1611 }
1612
1613 if ( !winPopup )
1614 {
1615 CreatePopup();
1616 winPopup = m_winPopup;
1617 popup = m_popup;
1618 }
1619 else
1620 {
1621 popup = m_popup;
1622 }
1623
1624 wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1625
1626 wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1627 m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1628 maxHeightPopup);
1629
1630 popup->SetSize(adjustedSize);
1631 popup->Move(0,0);
1632 m_popupInterface->OnPopup();
1633
1634 //
1635 // Reposition and resize popup window
1636 //
1637
1638 wxSize szp = popup->GetSize();
1639
1640 int popupX;
1641 int popupY = scrPos.y + ctrlSz.y;
1642
1643 int anchorSide = m_anchorSide;
1644 if ( !anchorSide )
1645 anchorSide = m_btnSide;
1646
1647 // Anchor popup to the side the dropbutton is on
1648 if ( anchorSide == wxRIGHT )
1649 popupX = scrPos.x + ctrlSz.x + m_extRight- szp.x;
1650 else
1651 popupX = scrPos.x - m_extLeft;
1652
1653 if ( spaceBelow < szp.y )
1654 {
1655 popupY = scrPos.y - szp.y;
1656 }
1657
1658 // Move to position
1659 //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1660 //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1661
1662 // Some platforms (GTK) may need these two to be separate
1663 winPopup->SetSize( szp.x, szp.y );
1664 winPopup->Move( popupX, popupY );
1665
1666 //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1667
1668 m_popup = popup;
1669
1670 // Set string selection (must be this way instead of SetStringSelection)
1671 if ( m_text )
1672 {
1673 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1674 m_text->SelectAll();
1675
1676 m_popupInterface->SetStringValue( m_text->GetValue() );
1677 }
1678 else
1679 {
1680 // This is neede since focus/selection indication may change when popup is shown
1681 Refresh();
1682 }
1683
1684 // This must be after SetStringValue
1685 m_isPopupShown = true;
1686
1687 // Show it
1688 #if USE_TRANSIENT_POPUP
1689 ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1690 #else
1691 winPopup->Show();
1692 #endif
1693
1694 #if INSTALL_TOPLEV_HANDLER
1695 // Put top level window event handler into place
1696 if ( !m_toplevEvtHandler )
1697 m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1698
1699 wxWindow* toplev = ::wxGetTopLevelParent( this );
1700 wxASSERT( toplev );
1701 ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1702 toplev->PushEventHandler( m_toplevEvtHandler );
1703 #endif
1704
1705 }
1706
1707 void wxComboControlBase::OnPopupDismiss()
1708 {
1709 // Just in case, avoid double dismiss
1710 if ( !m_isPopupShown )
1711 return;
1712
1713 // *Must* set this before focus etc.
1714 m_isPopupShown = false;
1715
1716 // Inform popup control itself
1717 m_popupInterface->OnDismiss();
1718
1719 if ( m_popupExtraHandler )
1720 ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1721
1722 #if INSTALL_TOPLEV_HANDLER
1723 // Remove top level window event handler
1724 if ( m_toplevEvtHandler )
1725 {
1726 wxWindow* toplev = ::wxGetTopLevelParent( this );
1727 if ( toplev )
1728 toplev->RemoveEventHandler( m_toplevEvtHandler );
1729 }
1730 #endif
1731
1732 m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1733
1734 // If cursor not on dropdown button, then clear its state
1735 // (technically not required by all ports, but do it for all just in case)
1736 if ( !m_btnArea.Inside(ScreenToClient(::wxGetMousePosition())) )
1737 m_btnState = 0;
1738
1739 // Return parent's tab traversal flag.
1740 // See ShowPopup for notes.
1741 if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1742 {
1743 wxWindow* parent = GetParent();
1744 parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1745 m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1746 }
1747
1748 // refresh control (necessary even if m_text)
1749 Refresh();
1750
1751 #if !wxUSE_POPUPWIN
1752 SetFocus();
1753 #endif
1754
1755 }
1756
1757 void wxComboControlBase::HidePopup()
1758 {
1759 // Should be able to call this without popup interface
1760 //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1761 if ( !m_isPopupShown )
1762 return;
1763
1764 // transfer value and show it in textctrl, if any
1765 SetValue( m_popupInterface->GetStringValue() );
1766
1767 #if USE_TRANSIENT_POPUP
1768 ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1769 #else
1770 m_winPopup->Hide();
1771 #endif
1772
1773 OnPopupDismiss();
1774 }
1775
1776 // ----------------------------------------------------------------------------
1777 // customization methods
1778 // ----------------------------------------------------------------------------
1779
1780 void wxComboControlBase::SetButtonPosition( int width, int height,
1781 int side, int spacingX )
1782 {
1783 m_btnWid = width;
1784 m_btnHei = height;
1785 m_btnSide = side;
1786 m_btnSpacingX = spacingX;
1787
1788 RecalcAndRefresh();
1789 }
1790
1791 void wxComboControlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1792 bool blankButtonBg,
1793 const wxBitmap& bmpPressed,
1794 const wxBitmap& bmpHover,
1795 const wxBitmap& bmpDisabled )
1796 {
1797 m_bmpNormal = bmpNormal;
1798 m_blankButtonBg = blankButtonBg;
1799
1800 if ( bmpPressed.Ok() )
1801 m_bmpPressed = bmpPressed;
1802 else
1803 m_bmpPressed = bmpNormal;
1804
1805 if ( bmpHover.Ok() )
1806 m_bmpHover = bmpHover;
1807 else
1808 m_bmpHover = bmpNormal;
1809
1810 if ( bmpDisabled.Ok() )
1811 m_bmpDisabled = bmpDisabled;
1812 else
1813 m_bmpDisabled = bmpNormal;
1814
1815 RecalcAndRefresh();
1816 }
1817
1818 void wxComboControlBase::SetCustomPaintWidth( int width )
1819 {
1820 if ( m_text )
1821 {
1822 // move textctrl accordingly
1823 wxRect r = m_text->GetRect();
1824 int inc = width - m_widthCustomPaint;
1825 r.x += inc;
1826 r.width -= inc;
1827 m_text->SetSize( r );
1828 }
1829
1830 m_widthCustomPaint = width;
1831
1832 RecalcAndRefresh();
1833 }
1834
1835 void wxComboControlBase::SetTextIndent( int indent )
1836 {
1837 if ( indent < 0 )
1838 {
1839 m_absIndent = GetNativeTextIndent();
1840 m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1841 }
1842 else
1843 {
1844 m_absIndent = indent;
1845 m_iFlags |= wxCC_IFLAG_INDENT_SET;
1846 }
1847
1848 RecalcAndRefresh();
1849 }
1850
1851 wxCoord wxComboControlBase::GetNativeTextIndent() const
1852 {
1853 return DEFAULT_TEXT_INDENT;
1854 }
1855
1856 // ----------------------------------------------------------------------------
1857 // methods forwarded to wxTextCtrl
1858 // ----------------------------------------------------------------------------
1859
1860 wxString wxComboControlBase::GetValue() const
1861 {
1862 if ( m_text )
1863 return m_text->GetValue();
1864 return m_valueString;
1865 }
1866
1867 void wxComboControlBase::SetValue(const wxString& value)
1868 {
1869 if ( m_text )
1870 {
1871 m_text->SetValue(value);
1872 if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1873 m_text->SelectAll();
1874 }
1875
1876 m_valueString = value;
1877
1878 Refresh();
1879
1880 // Since wxComboPopup may want to paint the combo as well, we need
1881 // to set the string value here (as well as sometimes in ShowPopup).
1882 if ( m_valueString != value && m_popupInterface )
1883 {
1884 m_popupInterface->SetStringValue(value);
1885 }
1886 }
1887
1888 // In this SetValue variant wxComboPopup::SetStringValue is not called
1889 void wxComboControlBase::SetText(const wxString& value)
1890 {
1891 // Unlike in SetValue(), this must be called here or
1892 // the behaviour will no be consistent in readonlys.
1893 EnsurePopupControl();
1894
1895 m_valueString = value;
1896
1897 Refresh();
1898 }
1899
1900 void wxComboControlBase::Copy()
1901 {
1902 if ( m_text )
1903 m_text->Copy();
1904 }
1905
1906 void wxComboControlBase::Cut()
1907 {
1908 if ( m_text )
1909 m_text->Cut();
1910 }
1911
1912 void wxComboControlBase::Paste()
1913 {
1914 if ( m_text )
1915 m_text->Paste();
1916 }
1917
1918 void wxComboControlBase::SetInsertionPoint(long pos)
1919 {
1920 if ( m_text )
1921 m_text->SetInsertionPoint(pos);
1922 }
1923
1924 void wxComboControlBase::SetInsertionPointEnd()
1925 {
1926 if ( m_text )
1927 m_text->SetInsertionPointEnd();
1928 }
1929
1930 long wxComboControlBase::GetInsertionPoint() const
1931 {
1932 if ( m_text )
1933 return m_text->GetInsertionPoint();
1934
1935 return 0;
1936 }
1937
1938 long wxComboControlBase::GetLastPosition() const
1939 {
1940 if ( m_text )
1941 return m_text->GetLastPosition();
1942
1943 return 0;
1944 }
1945
1946 void wxComboControlBase::Replace(long from, long to, const wxString& value)
1947 {
1948 if ( m_text )
1949 m_text->Replace(from, to, value);
1950 }
1951
1952 void wxComboControlBase::Remove(long from, long to)
1953 {
1954 if ( m_text )
1955 m_text->Remove(from, to);
1956 }
1957
1958 void wxComboControlBase::SetSelection(long from, long to)
1959 {
1960 if ( m_text )
1961 m_text->SetSelection(from, to);
1962 }
1963
1964 void wxComboControlBase::Undo()
1965 {
1966 if ( m_text )
1967 m_text->Undo();
1968 }
1969
1970 #endif // wxUSE_COMBOCONTROL