1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "../../include/pdfwindow/PDFWindow.h"
8 #include "../../include/pdfwindow/PWL_Wnd.h"
9 #include "../../include/pdfwindow/PWL_EditCtrl.h"
10 #include "../../include/pdfwindow/PWL_Edit.h"
11 #include "../../include/pdfwindow/PWL_ListBox.h"
12 #include "../../include/pdfwindow/PWL_ComboBox.h"
13 #include "../../include/pdfwindow/PWL_Utils.h"
14 
15 #define PWLCB_DEFAULTFONTSIZE  12.0f
16 
17 #define IsFloatZero(f)						((f) < 0.0001 && (f) > -0.0001)
18 #define IsFloatBigger(fa,fb)				((fa) > (fb) && !IsFloatZero((fa) - (fb)))
19 #define IsFloatSmaller(fa,fb)				((fa) < (fb) && !IsFloatZero((fa) - (fb)))
20 #define IsFloatEqual(fa,fb)					IsFloatZero((fa)-(fb))
21 
22 
23 /* ---------------------------- CPWL_CBListBox ---------------------------- */
24 
OnLButtonUp(const CPDF_Point & point,FX_DWORD nFlag)25 FX_BOOL	CPWL_CBListBox::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
26 {
27 	CPWL_Wnd::OnLButtonUp(point,nFlag);
28 
29 	if (m_bMouseDown)
30 	{
31 		ReleaseCapture();
32 		m_bMouseDown = FALSE;
33 
34 		if (this->ClientHitTest(point))
35 		{
36 			if (CPWL_Wnd * pParent = GetParentWindow())
37 			{
38 				pParent->OnNotify(this,PNM_LBUTTONUP,0,PWL_MAKEDWORD(point.x,point.y));
39 			}
40 
41 			FX_BOOL bExit = FALSE;
42 			OnNotifySelChanged(FALSE,bExit, nFlag);
43 			if (bExit) return FALSE;
44 		}
45 	}
46 
47 	return TRUE;
48 }
49 
OnKeyDownWithExit(FX_WORD nChar,FX_BOOL & bExit,FX_DWORD nFlag)50 FX_BOOL CPWL_CBListBox::OnKeyDownWithExit(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag)
51 {
52 	if (!m_pList) return FALSE;
53 
54 	switch (nChar)
55 	{
56 	default:
57 		return FALSE;
58 	case FWL_VKEY_Up:
59 	case FWL_VKEY_Down:
60 	case FWL_VKEY_Home:
61 	case FWL_VKEY_Left:
62 	case FWL_VKEY_End:
63 	case FWL_VKEY_Right:
64 		break;
65 	}
66 
67 	switch (nChar)
68 	{
69 	case FWL_VKEY_Up:
70 		m_pList->OnVK_UP(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
71 		break;
72 	case FWL_VKEY_Down:
73 		m_pList->OnVK_DOWN(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
74 		break;
75 	case FWL_VKEY_Home:
76 		m_pList->OnVK_HOME(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
77 		break;
78 	case FWL_VKEY_Left:
79 		m_pList->OnVK_LEFT(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
80 		break;
81 	case FWL_VKEY_End:
82 		m_pList->OnVK_END(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
83 		break;
84 	case FWL_VKEY_Right:
85 		m_pList->OnVK_RIGHT(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
86 		break;
87 	case FWL_VKEY_Delete:
88 		break;
89 	}
90 
91 	OnNotifySelChanged(TRUE,bExit, nFlag);
92 
93 	return TRUE;
94 }
95 
OnCharWithExit(FX_WORD nChar,FX_BOOL & bExit,FX_DWORD nFlag)96 FX_BOOL	CPWL_CBListBox::OnCharWithExit(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag)
97 {
98 	if (!m_pList) return FALSE;
99 
100 	if (!m_pList->OnChar(nChar,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag))) return FALSE;
101 
102 	if (CPWL_ComboBox* pComboBox = (CPWL_ComboBox*)GetParentWindow())
103 	{
104 		pComboBox->SetSelectText();
105 	}
106 
107 	OnNotifySelChanged(TRUE,bExit,nFlag);
108 
109 	return TRUE;
110 }
111 
112 /* ---------------------------- CPWL_CBButton ---------------------------- */
113 
GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)114 void CPWL_CBButton::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
115 {
116 	CPWL_Wnd::GetThisAppearanceStream(sAppStream);
117 
118 	CPDF_Rect rectWnd = CPWL_Wnd::GetWindowRect();
119 
120 	if (IsVisible() && !rectWnd.IsEmpty())
121 	{
122 		CFX_ByteTextBuf sButton;
123 
124 		CPDF_Point ptCenter = this->GetCenterPoint();
125 
126 		CPDF_Point pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
127 		CPDF_Point pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
128 		CPDF_Point pt3(ptCenter.x,ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
129 
130 		if (IsFloatBigger(rectWnd.right - rectWnd.left,PWL_CBBUTTON_TRIANGLE_HALFLEN * 2)
131 			&&
132 			IsFloatBigger(rectWnd.top - rectWnd.bottom,PWL_CBBUTTON_TRIANGLE_HALFLEN)
133 			)
134 		{
135 			sButton << "0 g\n";
136 			sButton << pt1.x << " " << pt1.y << " m\n";
137 			sButton << pt2.x << " " << pt2.y << " l\n";
138 			sButton << pt3.x << " " << pt3.y << " l\n";
139 			sButton << pt1.x << " " << pt1.y << " l f\n";
140 
141 			sAppStream << "q\n" << sButton << "Q\n";
142 		}
143 	}
144 }
145 
DrawThisAppearance(CFX_RenderDevice * pDevice,CPDF_Matrix * pUser2Device)146 void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device)
147 {
148 	CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
149 
150 	CPDF_Rect rectWnd = CPWL_Wnd::GetWindowRect();
151 
152 	if (IsVisible() && !rectWnd.IsEmpty())
153 	{
154 		CPDF_Point ptCenter = this->GetCenterPoint();
155 
156 		CPDF_Point pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
157 		CPDF_Point pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
158 		CPDF_Point pt3(ptCenter.x,ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
159 
160 		if (IsFloatBigger(rectWnd.right - rectWnd.left,PWL_CBBUTTON_TRIANGLE_HALFLEN * 2)
161 			&&
162 			IsFloatBigger(rectWnd.top - rectWnd.bottom,PWL_CBBUTTON_TRIANGLE_HALFLEN)
163 			)
164 		{
165 			CFX_PathData path;
166 
167 			path.SetPointCount(4);
168 			path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
169 			path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
170 			path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
171 			path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
172 
173 			pDevice->DrawPath(&path, pUser2Device, NULL,
174 				CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR,GetTransparency()),
175 				0, FXFILL_ALTERNATE);
176 		}
177 	}
178 }
179 
OnLButtonDown(const CPDF_Point & point,FX_DWORD nFlag)180 FX_BOOL	CPWL_CBButton::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag)
181 {
182 	CPWL_Wnd::OnLButtonDown(point,nFlag);
183 
184 	SetCapture();
185 
186 	if (CPWL_Wnd * pParent = GetParentWindow())
187 	{
188 		pParent->OnNotify(this,PNM_LBUTTONDOWN,0,PWL_MAKEDWORD(point.x,point.y));
189 	}
190 
191 	return TRUE;
192 }
193 
OnLButtonUp(const CPDF_Point & point,FX_DWORD nFlag)194 FX_BOOL	CPWL_CBButton::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
195 {
196 	CPWL_Wnd::OnLButtonUp(point, nFlag);
197 
198 	ReleaseCapture();
199 
200 	return TRUE;
201 }
202 
203 /* ---------------------------- CPWL_ComboBox ---------------------------- */
204 
CPWL_ComboBox()205 CPWL_ComboBox::CPWL_ComboBox() : m_pEdit(NULL),
206 	m_pButton(NULL),
207 	m_pList(NULL),
208 	m_bPopup(FALSE),
209 	m_nPopupWhere(0),
210 	m_nSelectItem(-1),
211 	m_pFillerNotify(NULL)
212 {
213 }
214 
GetClassName() const215 CFX_ByteString CPWL_ComboBox::GetClassName() const
216 {
217 	return "CPWL_ComboBox";
218 }
219 
OnCreate(PWL_CREATEPARAM & cp)220 void CPWL_ComboBox::OnCreate(PWL_CREATEPARAM & cp)
221 {
222 	cp.dwFlags &= ~PWS_HSCROLL;
223 	cp.dwFlags &= ~PWS_VSCROLL;
224 }
225 
SetFocus()226 void CPWL_ComboBox::SetFocus()
227 {
228 	if (m_pEdit)
229 		m_pEdit->SetFocus();
230 }
231 
KillFocus()232 void CPWL_ComboBox::KillFocus()
233 {
234 	SetPopup(FALSE);
235 	CPWL_Wnd::KillFocus();
236 }
237 
GetText() const238 CFX_WideString CPWL_ComboBox::GetText() const
239 {
240 	if (m_pEdit)
241 	{
242 		return m_pEdit->GetText();
243 	}
244 	return CFX_WideString();
245 }
246 
SetText(FX_LPCWSTR text)247 void CPWL_ComboBox::SetText(FX_LPCWSTR text)
248 {
249 	if (m_pEdit)
250 		m_pEdit->SetText(text);
251 }
252 
AddString(FX_LPCWSTR string)253 void CPWL_ComboBox::AddString(FX_LPCWSTR string)
254 {
255 	if (m_pList)
256 		m_pList->AddString(string);
257 }
258 
GetSelect() const259 FX_INT32 CPWL_ComboBox::GetSelect() const
260 {
261 	return m_nSelectItem;
262 }
263 
SetSelect(FX_INT32 nItemIndex)264 void CPWL_ComboBox::SetSelect(FX_INT32 nItemIndex)
265 {
266 	if (m_pList)
267 		m_pList->Select(nItemIndex);
268 
269 	m_pEdit->SetText(m_pList->GetText().c_str());
270 
271 	m_nSelectItem = nItemIndex;
272 }
273 
SetEditSel(FX_INT32 nStartChar,FX_INT32 nEndChar)274 void CPWL_ComboBox::SetEditSel(FX_INT32 nStartChar,FX_INT32 nEndChar)
275 {
276 	if (m_pEdit)
277 	{
278 		m_pEdit->SetSel(nStartChar,nEndChar);
279 	}
280 }
281 
GetEditSel(FX_INT32 & nStartChar,FX_INT32 & nEndChar) const282 void CPWL_ComboBox::GetEditSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const
283 {
284 	nStartChar = -1;
285 	nEndChar = -1;
286 
287 	if (m_pEdit)
288 	{
289 		m_pEdit->GetSel(nStartChar,nEndChar);
290 	}
291 }
292 
Clear()293 void CPWL_ComboBox::Clear()
294 {
295 	if (m_pEdit)
296 	{
297 		m_pEdit->Clear();
298 	}
299 }
300 
CreateChildWnd(const PWL_CREATEPARAM & cp)301 void CPWL_ComboBox::CreateChildWnd(const PWL_CREATEPARAM & cp)
302 {
303 	CreateEdit(cp);
304 	CreateButton(cp);
305 	CreateListBox(cp);
306 }
307 
CreateEdit(const PWL_CREATEPARAM & cp)308 void CPWL_ComboBox::CreateEdit(const PWL_CREATEPARAM & cp)
309 {
310 	if (!m_pEdit)
311 	{
312 		m_pEdit = new CPWL_CBEdit;
313 		m_pEdit->AttachFFLData(m_pFormFiller);
314 
315 		PWL_CREATEPARAM ecp = cp;
316 		ecp.pParentWnd = this;
317 		ecp.dwFlags =  PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PES_CENTER | PES_AUTOSCROLL | PES_UNDO;
318 
319 		if (HasFlag(PWS_AUTOFONTSIZE))
320 			ecp.dwFlags |= PWS_AUTOFONTSIZE;
321 
322 		if (!HasFlag(PCBS_ALLOWCUSTOMTEXT))
323 			ecp.dwFlags |= PWS_READONLY;
324 
325 		ecp.rcRectWnd = CPDF_Rect(0,0,0,0);
326 		ecp.dwBorderWidth = 0;
327 		ecp.nBorderStyle = PBS_SOLID;
328 
329 		m_pEdit->Create(ecp);
330 	}
331 }
332 
CreateButton(const PWL_CREATEPARAM & cp)333 void CPWL_ComboBox::CreateButton(const PWL_CREATEPARAM & cp)
334 {
335 	if (!m_pButton)
336 	{
337 		m_pButton = new CPWL_CBButton;
338 
339 		PWL_CREATEPARAM bcp = cp;
340 		bcp.pParentWnd = this;
341 		bcp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND;
342 		bcp.sBackgroundColor = PWL_SCROLLBAR_BKCOLOR;
343 		bcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR;
344 		bcp.dwBorderWidth = 2;
345 		bcp.nBorderStyle = PBS_BEVELED;
346 		bcp.eCursorType = FXCT_ARROW;
347 
348 		m_pButton->Create(bcp);
349 	}
350 }
351 
CreateListBox(const PWL_CREATEPARAM & cp)352 void CPWL_ComboBox::CreateListBox(const PWL_CREATEPARAM & cp)
353 {
354 	if (!m_pList)
355 	{
356 		m_pList = new CPWL_CBListBox;
357 		m_pList->AttachFFLData(m_pFormFiller);
358 		PWL_CREATEPARAM lcp = cp;
359 		lcp.pParentWnd = this;
360 		lcp.dwFlags = PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PLBS_HOVERSEL | PWS_VSCROLL;
361 		lcp.nBorderStyle = PBS_SOLID;
362 		lcp.dwBorderWidth = 1;
363 		lcp.eCursorType = FXCT_ARROW;
364 		lcp.rcRectWnd = CPDF_Rect(0,0,0,0);
365 
366 		if (cp.dwFlags & PWS_AUTOFONTSIZE)
367 			lcp.fFontSize = PWLCB_DEFAULTFONTSIZE;
368 		else
369 			lcp.fFontSize = cp.fFontSize;
370 
371 		if (cp.sBorderColor.nColorType == COLORTYPE_TRANSPARENT)
372 			lcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR;
373 
374 		if (cp.sBackgroundColor.nColorType == COLORTYPE_TRANSPARENT)
375 			lcp.sBackgroundColor = PWL_DEFAULT_WHITECOLOR;
376 
377 		m_pList->Create(lcp);
378 	}
379 }
380 
RePosChildWnd()381 void CPWL_ComboBox::RePosChildWnd()
382 {
383 	CPDF_Rect rcClient = GetClientRect();
384 
385 	if (m_bPopup)
386 	{
387 		CPDF_Rect rclient = GetClientRect();
388 		CPDF_Rect rcButton = rclient;
389 		CPDF_Rect rcEdit = rcClient;
390 		CPDF_Rect rcList = CPWL_Wnd::GetWindowRect();
391 
392 		FX_FLOAT fOldWindowHeight = m_rcOldWindow.Height();
393 		FX_FLOAT fOldClientHeight = fOldWindowHeight - GetBorderWidth() * 2;
394 
395 		switch (m_nPopupWhere)
396 		{
397 		case 0:
398 			rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH;
399 
400 			if (rcButton.left < rclient.left)
401 				rcButton.left = rclient.left;
402 
403 			rcButton.bottom = rcButton.top - fOldClientHeight;
404 
405 			rcEdit.right = rcButton.left - 1.0f;
406 
407 			if (rcEdit.left < rclient.left)
408 				rcEdit.left = rclient.left;
409 
410 			if (rcEdit.right < rcEdit.left)
411 				rcEdit.right = rcEdit.left;
412 
413 			rcEdit.bottom = rcEdit.top - fOldClientHeight;
414 
415 			rcList.top -= fOldWindowHeight;
416 
417 			break;
418 		case 1:
419 			rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH;
420 
421 			if (rcButton.left < rclient.left)
422 				rcButton.left = rclient.left;
423 
424 			rcButton.top = rcButton.bottom + fOldClientHeight;
425 
426 			rcEdit.right = rcButton.left - 1.0f;
427 
428 			if (rcEdit.left < rclient.left)
429 				rcEdit.left = rclient.left;
430 
431 			if (rcEdit.right < rcEdit.left)
432 				rcEdit.right = rcEdit.left;
433 
434 			rcEdit.top = rcEdit.bottom + fOldClientHeight;
435 
436 			rcList.bottom += fOldWindowHeight;
437 
438 			break;
439 		}
440 
441 		if (m_pButton)
442 			m_pButton->Move(rcButton,TRUE,FALSE);
443 
444 		if (m_pEdit)
445 			m_pEdit->Move(rcEdit,TRUE,FALSE);
446 
447 		if (m_pList)
448 		{
449 			m_pList->SetVisible(TRUE);
450 			m_pList->Move(rcList,TRUE,FALSE);
451 			m_pList->ScrollToListItem(m_nSelectItem);
452 		}
453 	}
454 	else
455 	{
456 		CPDF_Rect rcButton = rcClient;
457 
458 		rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH;
459 
460 		if (rcButton.left < rcClient.left)
461 			rcButton.left = rcClient.left;
462 
463 		if (m_pButton)
464 			m_pButton->Move(rcButton,TRUE,FALSE);
465 
466 		CPDF_Rect rcEdit = rcClient;
467 		rcEdit.right = rcButton.left - 1.0f;
468 
469 		if (rcEdit.left < rcClient.left)
470 			rcEdit.left = rcClient.left;
471 
472 		if (rcEdit.right < rcEdit.left)
473 			rcEdit.right = rcEdit.left;
474 
475 		if (m_pEdit)
476 			m_pEdit->Move(rcEdit,TRUE,FALSE);
477 
478 		if (m_pList)
479 			m_pList->SetVisible(FALSE);
480 	}
481 }
482 
SelectAll()483 void CPWL_ComboBox::SelectAll()
484 {
485 	if (m_pEdit && HasFlag(PCBS_ALLOWCUSTOMTEXT))
486 		m_pEdit->SelectAll();
487 }
488 
GetFocusRect() const489 CPDF_Rect CPWL_ComboBox::GetFocusRect() const
490 {
491 	return CPDF_Rect();
492 }
493 
SetPopup(FX_BOOL bPopup)494 void CPWL_ComboBox::SetPopup(FX_BOOL bPopup)
495 {
496 	if (!m_pList) return;
497 	if (bPopup == m_bPopup) return;
498 	FX_FLOAT fListHeight = m_pList->GetContentRect().Height();
499 	if (!IsFloatBigger(fListHeight,0.0f)) return;
500 
501 	if (bPopup)
502 	{
503 		if (m_pFillerNotify)
504 		{
505 			FX_INT32 nWhere = 0;
506 			FX_FLOAT fPopupRet = 0.0f;
507 			FX_FLOAT fPopupMin = 0.0f;
508 			if (m_pList->GetCount() > 3)
509 				fPopupMin = m_pList->GetFirstHeight() * 3 + m_pList->GetBorderWidth() * 2;
510 			FX_FLOAT fPopupMax = fListHeight + m_pList->GetBorderWidth() * 2;
511 			m_pFillerNotify->QueryWherePopup(GetAttachedData(), fPopupMin,fPopupMax,nWhere,fPopupRet);
512 
513 			if (IsFloatBigger(fPopupRet,0.0f))
514 			{
515 				m_bPopup = bPopup;
516 
517 				CPDF_Rect rcWindow = CPWL_Wnd::GetWindowRect();
518 				m_rcOldWindow = rcWindow;
519 				switch (nWhere)
520 				{
521 				default:
522 				case 0:
523 					rcWindow.bottom -= fPopupRet;
524 					break;
525 				case 1:
526 					rcWindow.top += fPopupRet;
527 					break;
528 				}
529 
530 				m_nPopupWhere = nWhere;
531 				Move(rcWindow, TRUE, TRUE);
532 			}
533 		}
534 	}
535 	else
536 	{
537 		m_bPopup = bPopup;
538 		Move(m_rcOldWindow, TRUE, TRUE);
539 	}
540 }
541 
OnKeyDown(FX_WORD nChar,FX_DWORD nFlag)542 FX_BOOL CPWL_ComboBox::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag)
543 {
544 	if (!m_pList) return FALSE;
545 	if (!m_pEdit) return FALSE;
546 
547 	m_nSelectItem = -1;
548 
549 	switch (nChar)
550 	{
551 	case FWL_VKEY_Up:
552 		if (m_pList->GetCurSel() > 0)
553 		{
554 			FX_BOOL bExit = FALSE;
555 			if (m_pList->OnKeyDownWithExit(nChar,bExit,nFlag))
556 			{
557 				if (bExit) return FALSE;
558 				SetSelectText();
559 			}
560 		}
561 		return TRUE;
562 	case FWL_VKEY_Down:
563 		if (m_pList->GetCurSel() < m_pList->GetCount() - 1)
564 		{
565 			FX_BOOL bExit = FALSE;
566 			if (m_pList->OnKeyDownWithExit(nChar,bExit,nFlag))
567 			{
568 				if (bExit) return FALSE;
569 				SetSelectText();
570 			}
571 		}
572 		return TRUE;
573 	}
574 
575 	if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
576 		return m_pEdit->OnKeyDown(nChar,nFlag);
577 	else
578 		return FALSE;
579 }
580 
OnChar(FX_WORD nChar,FX_DWORD nFlag)581 FX_BOOL CPWL_ComboBox::OnChar(FX_WORD nChar, FX_DWORD nFlag)
582 {
583 	if (!m_pList) return FALSE;
584 	if (!m_pEdit) return FALSE;
585 
586 	m_nSelectItem = -1;
587 	FX_BOOL bExit = FALSE;
588 
589 	if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
590 	{
591 		return m_pEdit->OnChar(nChar,nFlag);
592 	}
593 	else
594 	{
595 		if (m_pList->OnCharWithExit(nChar,bExit,nFlag))
596 		{
597 			return bExit;
598 		}
599 		else
600 			return FALSE;
601 	}
602 }
603 
OnNotify(CPWL_Wnd * pWnd,FX_DWORD msg,FX_INTPTR wParam,FX_INTPTR lParam)604 void CPWL_ComboBox::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam, FX_INTPTR lParam)
605 {
606 	switch (msg)
607 	{
608 	case PNM_LBUTTONDOWN:
609 		if (pWnd == m_pButton)
610 		{
611 			SetPopup(!m_bPopup);
612 			return;
613 		}
614 		break;
615 	case PNM_LBUTTONUP:
616 		if (m_pEdit && m_pList)
617 		{
618 			if (pWnd == m_pList)
619 			{
620 				SetSelectText();
621 				SelectAll();
622 				m_pEdit->SetFocus();
623 				SetPopup(FALSE);
624 				return;
625 			}
626 		}
627 	}
628 
629 	CPWL_Wnd::OnNotify(pWnd,msg,wParam,lParam);
630 }
631 
IsPopup() const632 FX_BOOL CPWL_ComboBox::IsPopup() const
633 {
634 	return m_bPopup;
635 }
636 
SetSelectText()637 void CPWL_ComboBox::SetSelectText()
638 {
639 	CFX_WideString swText = m_pList->GetText();
640 	m_pEdit->SelectAll();
641 	m_pEdit->ReplaceSel(m_pList->GetText().c_str());
642 	m_pEdit->SelectAll();
643 
644 	m_nSelectItem = m_pList->GetCurSel();
645 }
646 
IsModified() const647 FX_BOOL CPWL_ComboBox::IsModified() const
648 {
649 	return m_pEdit->IsModified();
650 }
651 
SetFillerNotify(IPWL_Filler_Notify * pNotify)652 void CPWL_ComboBox::SetFillerNotify(IPWL_Filler_Notify* pNotify)
653 {
654 	 m_pFillerNotify = pNotify;
655 
656 	 if (m_pEdit)
657 		 m_pEdit->SetFillerNotify(pNotify);
658 
659 	 if (m_pList)
660 		 m_pList->SetFillerNotify(pNotify);
661 }
662 
663