1 // Copyright 2020 The PDFium Authors
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 "fpdfsdk/pwl/cpwl_cblistbox.h"
8
9 #include <utility>
10
11 #include "fpdfsdk/pwl/cpwl_combo_box.h"
12 #include "fpdfsdk/pwl/cpwl_list_ctrl.h"
13 #include "public/fpdf_fwlevent.h"
14 #include "third_party/base/notreached.h"
15
CPWL_CBListBox(const CreateParams & cp,std::unique_ptr<IPWL_FillerNotify::PerWindowData> pAttachedData)16 CPWL_CBListBox::CPWL_CBListBox(
17 const CreateParams& cp,
18 std::unique_ptr<IPWL_FillerNotify::PerWindowData> pAttachedData)
19 : CPWL_ListBox(cp, std::move(pAttachedData)) {}
20
21 CPWL_CBListBox::~CPWL_CBListBox() = default;
22
OnLButtonUp(Mask<FWL_EVENTFLAG> nFlag,const CFX_PointF & point)23 bool CPWL_CBListBox::OnLButtonUp(Mask<FWL_EVENTFLAG> nFlag,
24 const CFX_PointF& point) {
25 CPWL_Wnd::OnLButtonUp(nFlag, point);
26
27 if (!m_bMouseDown)
28 return true;
29
30 ReleaseCapture();
31 m_bMouseDown = false;
32
33 if (!ClientHitTest(point))
34 return true;
35 if (CPWL_Wnd* pParent = GetParentWindow())
36 pParent->NotifyLButtonUp(this, point);
37
38 return !OnNotifySelectionChanged(false, nFlag);
39 }
40
IsMovementKey(FWL_VKEYCODE nKeyCode) const41 bool CPWL_CBListBox::IsMovementKey(FWL_VKEYCODE nKeyCode) const {
42 switch (nKeyCode) {
43 case FWL_VKEY_Up:
44 case FWL_VKEY_Down:
45 case FWL_VKEY_Home:
46 case FWL_VKEY_Left:
47 case FWL_VKEY_End:
48 case FWL_VKEY_Right:
49 return true;
50 default:
51 return false;
52 }
53 }
54
OnMovementKeyDown(FWL_VKEYCODE nKeyCode,Mask<FWL_EVENTFLAG> nFlag)55 bool CPWL_CBListBox::OnMovementKeyDown(FWL_VKEYCODE nKeyCode,
56 Mask<FWL_EVENTFLAG> nFlag) {
57 switch (nKeyCode) {
58 case FWL_VKEY_Up:
59 m_pListCtrl->OnVK_UP(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
60 break;
61 case FWL_VKEY_Down:
62 m_pListCtrl->OnVK_DOWN(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
63 break;
64 case FWL_VKEY_Home:
65 m_pListCtrl->OnVK_HOME(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
66 break;
67 case FWL_VKEY_Left:
68 m_pListCtrl->OnVK_LEFT(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
69 break;
70 case FWL_VKEY_End:
71 m_pListCtrl->OnVK_END(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
72 break;
73 case FWL_VKEY_Right:
74 m_pListCtrl->OnVK_RIGHT(IsSHIFTKeyDown(nFlag), IsCTRLKeyDown(nFlag));
75 break;
76 default:
77 NOTREACHED_NORETURN();
78 }
79 return OnNotifySelectionChanged(true, nFlag);
80 }
81
IsChar(uint16_t nChar,Mask<FWL_EVENTFLAG> nFlag) const82 bool CPWL_CBListBox::IsChar(uint16_t nChar, Mask<FWL_EVENTFLAG> nFlag) const {
83 return m_pListCtrl->OnChar(nChar, IsSHIFTKeyDown(nFlag),
84 IsCTRLKeyDown(nFlag));
85 }
86
OnCharNotify(uint16_t nChar,Mask<FWL_EVENTFLAG> nFlag)87 bool CPWL_CBListBox::OnCharNotify(uint16_t nChar, Mask<FWL_EVENTFLAG> nFlag) {
88 if (auto* pComboBox = static_cast<CPWL_ComboBox*>(GetParentWindow()))
89 pComboBox->SetSelectText();
90
91 return OnNotifySelectionChanged(true, nFlag);
92 }
93