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Diffstat (limited to 'fpdfsdk/pwl/cpwl_list_box.cpp')
-rw-r--r--fpdfsdk/pwl/cpwl_list_box.cpp375
1 files changed, 375 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_list_box.cpp b/fpdfsdk/pwl/cpwl_list_box.cpp
new file mode 100644
index 0000000000..060b3f6ee3
--- /dev/null
+++ b/fpdfsdk/pwl/cpwl_list_box.cpp
@@ -0,0 +1,375 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "fpdfsdk/pwl/cpwl_list_box.h"
+
+#include <sstream>
+
+#include "core/fxge/cfx_renderdevice.h"
+#include "fpdfsdk/pwl/cpwl_edit.h"
+#include "fpdfsdk/pwl/cpwl_edit_ctrl.h"
+#include "fpdfsdk/pwl/cpwl_edit_impl.h"
+#include "fpdfsdk/pwl/cpwl_list_impl.h"
+#include "fpdfsdk/pwl/cpwl_scroll_bar.h"
+#include "fpdfsdk/pwl/cpwl_wnd.h"
+#include "public/fpdf_fwlevent.h"
+#include "third_party/base/ptr_util.h"
+
+CPWL_List_Notify::CPWL_List_Notify(CPWL_ListBox* pList) : m_pList(pList) {
+ ASSERT(m_pList);
+}
+
+CPWL_List_Notify::~CPWL_List_Notify() {}
+
+void CPWL_List_Notify::IOnSetScrollInfoY(float fPlateMin,
+ float fPlateMax,
+ float fContentMin,
+ float fContentMax,
+ float fSmallStep,
+ float fBigStep) {
+ PWL_SCROLL_INFO Info;
+ Info.fPlateWidth = fPlateMax - fPlateMin;
+ Info.fContentMin = fContentMin;
+ Info.fContentMax = fContentMax;
+ Info.fSmallStep = fSmallStep;
+ Info.fBigStep = fBigStep;
+ m_pList->SetScrollInfo(Info);
+
+ if (CPWL_ScrollBar* pScroll = m_pList->GetVScrollBar()) {
+ if (IsFloatBigger(Info.fPlateWidth, Info.fContentMax - Info.fContentMin) ||
+ IsFloatEqual(Info.fPlateWidth, Info.fContentMax - Info.fContentMin)) {
+ if (pScroll->IsVisible()) {
+ pScroll->SetVisible(false);
+ m_pList->RePosChildWnd();
+ }
+ } else {
+ if (!pScroll->IsVisible()) {
+ pScroll->SetVisible(true);
+ m_pList->RePosChildWnd();
+ }
+ }
+ }
+}
+
+void CPWL_List_Notify::IOnSetScrollPosY(float fy) {
+ m_pList->SetScrollPosition(fy);
+}
+
+void CPWL_List_Notify::IOnInvalidateRect(CFX_FloatRect* pRect) {
+ m_pList->InvalidateRect(pRect);
+}
+
+CPWL_ListBox::CPWL_ListBox()
+ : m_pList(new CPWL_ListCtrl),
+ m_bMouseDown(false),
+ m_bHoverSel(false),
+ m_pFillerNotify(nullptr) {}
+
+CPWL_ListBox::~CPWL_ListBox() {}
+
+CFX_ByteString CPWL_ListBox::GetClassName() const {
+ return "CPWL_ListBox";
+}
+
+void CPWL_ListBox::OnCreated() {
+ m_pList->SetFontMap(GetFontMap());
+ m_pListNotify = pdfium::MakeUnique<CPWL_List_Notify>(this);
+ m_pList->SetNotify(m_pListNotify.get());
+
+ SetHoverSel(HasFlag(PLBS_HOVERSEL));
+ m_pList->SetMultipleSel(HasFlag(PLBS_MULTIPLESEL));
+ m_pList->SetFontSize(GetCreationParam().fFontSize);
+
+ m_bHoverSel = HasFlag(PLBS_HOVERSEL);
+}
+
+void CPWL_ListBox::OnDestroy() {
+ // Make sure the notifier is removed from the list as we are about to
+ // destroy the notifier and don't want to leave a dangling pointer.
+ m_pList->SetNotify(nullptr);
+ m_pListNotify.reset();
+}
+
+void CPWL_ListBox::DrawThisAppearance(CFX_RenderDevice* pDevice,
+ CFX_Matrix* pUser2Device) {
+ CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
+
+ CFX_FloatRect rcPlate = m_pList->GetPlateRect();
+ CFX_FloatRect rcList = GetListRect();
+ CFX_FloatRect rcClient = GetClientRect();
+
+ for (int32_t i = 0, sz = m_pList->GetCount(); i < sz; i++) {
+ CFX_FloatRect rcItem = m_pList->GetItemRect(i);
+ if (rcItem.bottom > rcPlate.top || rcItem.top < rcPlate.bottom)
+ continue;
+
+ CFX_PointF ptOffset(rcItem.left, (rcItem.top + rcItem.bottom) * 0.5f);
+ if (CPWL_EditImpl* pEdit = m_pList->GetItemEdit(i)) {
+ CFX_FloatRect rcContent = pEdit->GetContentRect();
+ if (rcContent.Width() > rcClient.Width())
+ rcItem.Intersect(rcList);
+ else
+ rcItem.Intersect(rcClient);
+ }
+
+ if (m_pList->IsItemSelected(i)) {
+ CFX_SystemHandler* pSysHandler = GetSystemHandler();
+ if (pSysHandler && pSysHandler->IsSelectionImplemented()) {
+ CPWL_EditImpl::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i),
+ GetTextColor().ToFXColor(255), rcList, ptOffset,
+ nullptr, pSysHandler, m_pFormFiller.Get());
+ pSysHandler->OutputSelectedRect(m_pFormFiller.Get(), rcItem);
+ } else {
+ pDevice->DrawFillRect(pUser2Device, rcItem,
+ ArgbEncode(255, 0, 51, 113));
+ CPWL_EditImpl::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i),
+ ArgbEncode(255, 255, 255, 255), rcList,
+ ptOffset, nullptr, pSysHandler,
+ m_pFormFiller.Get());
+ }
+ } else {
+ CFX_SystemHandler* pSysHandler = GetSystemHandler();
+ CPWL_EditImpl::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i),
+ GetTextColor().ToFXColor(255), rcList, ptOffset,
+ nullptr, pSysHandler, nullptr);
+ }
+ }
+}
+
+bool CPWL_ListBox::OnKeyDown(uint16_t nChar, uint32_t nFlag) {
+ CPWL_Wnd::OnKeyDown(nChar, nFlag);
+
+ switch (nChar) {
+ default:
+ return false;
+ case FWL_VKEY_Up:
+ case FWL_VKEY_Down:
+ case FWL_VKEY_Home:
+ case FWL_VKEY_Left:
+ case FWL_VKEY_End:
+ case FWL_VKEY_Right:
+ break;
+ }
+
+ switch (nChar) {
+ case FWL_VKEY_Up:
+ m_pList->OnVK_UP(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Down:
+ m_pList->OnVK_DOWN(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Home:
+ m_pList->OnVK_HOME(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Left:
+ m_pList->OnVK_LEFT(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_End:
+ m_pList->OnVK_END(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Right:
+ m_pList->OnVK_RIGHT(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Delete:
+ break;
+ }
+ OnNotifySelectionChanged(true, nFlag);
+ return true;
+}
+
+bool CPWL_ListBox::OnChar(uint16_t nChar, uint32_t nFlag) {
+ CPWL_Wnd::OnChar(nChar, nFlag);
+
+ if (!m_pList->OnChar(nChar, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag)))
+ return false;
+
+ OnNotifySelectionChanged(true, nFlag);
+ return true;
+}
+
+bool CPWL_ListBox::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonDown(point, nFlag);
+
+ if (ClientHitTest(point)) {
+ m_bMouseDown = true;
+ SetFocus();
+ SetCapture();
+
+ m_pList->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ }
+
+ return true;
+}
+
+bool CPWL_ListBox::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+ if (m_bMouseDown) {
+ ReleaseCapture();
+ m_bMouseDown = false;
+ }
+ OnNotifySelectionChanged(false, nFlag);
+ return true;
+}
+
+void CPWL_ListBox::SetHoverSel(bool bHoverSel) {
+ m_bHoverSel = bHoverSel;
+}
+
+bool CPWL_ListBox::OnMouseMove(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnMouseMove(point, nFlag);
+
+ if (m_bHoverSel && !IsCaptureMouse() && ClientHitTest(point))
+ m_pList->Select(m_pList->GetItemIndex(point));
+ if (m_bMouseDown)
+ m_pList->OnMouseMove(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+
+ return true;
+}
+
+void CPWL_ListBox::SetScrollInfo(const PWL_SCROLL_INFO& info) {
+ if (CPWL_Wnd* pChild = GetVScrollBar())
+ pChild->SetScrollInfo(info);
+}
+
+void CPWL_ListBox::SetScrollPosition(float pos) {
+ if (CPWL_Wnd* pChild = GetVScrollBar())
+ pChild->SetScrollPosition(pos);
+}
+
+void CPWL_ListBox::ScrollWindowVertically(float pos) {
+ m_pList->SetScrollPos(CFX_PointF(0, pos));
+}
+
+void CPWL_ListBox::KillFocus() {
+ CPWL_Wnd::KillFocus();
+}
+
+void CPWL_ListBox::RePosChildWnd() {
+ CPWL_Wnd::RePosChildWnd();
+
+ m_pList->SetPlateRect(GetListRect());
+}
+
+bool CPWL_ListBox::OnNotifySelectionChanged(bool bKeyDown, uint32_t nFlag) {
+ if (!m_pFillerNotify)
+ return false;
+
+ CFX_WideString swChange = GetText();
+ CFX_WideString strChangeEx;
+ int nSelStart = 0;
+ int nSelEnd = swChange.GetLength();
+ bool bRC;
+ bool bExit;
+ std::tie(bRC, bExit) = m_pFillerNotify->OnBeforeKeyStroke(
+ GetAttachedData(), swChange, strChangeEx, nSelStart, nSelEnd, bKeyDown,
+ nFlag);
+ return bExit;
+}
+
+CFX_FloatRect CPWL_ListBox::GetFocusRect() const {
+ if (m_pList->IsMultipleSel()) {
+ CFX_FloatRect rcCaret = m_pList->GetItemRect(m_pList->GetCaret());
+ rcCaret.Intersect(GetClientRect());
+ return rcCaret;
+ }
+
+ return CPWL_Wnd::GetFocusRect();
+}
+
+void CPWL_ListBox::AddString(const CFX_WideString& str) {
+ m_pList->AddString(str);
+}
+
+CFX_WideString CPWL_ListBox::GetText() const {
+ return m_pList->GetText();
+}
+
+void CPWL_ListBox::SetFontSize(float fFontSize) {
+ m_pList->SetFontSize(fFontSize);
+}
+
+float CPWL_ListBox::GetFontSize() const {
+ return m_pList->GetFontSize();
+}
+
+void CPWL_ListBox::Select(int32_t nItemIndex) {
+ m_pList->Select(nItemIndex);
+}
+
+void CPWL_ListBox::SetCaret(int32_t nItemIndex) {
+ m_pList->SetCaret(nItemIndex);
+}
+
+void CPWL_ListBox::SetTopVisibleIndex(int32_t nItemIndex) {
+ m_pList->SetTopItem(nItemIndex);
+}
+
+void CPWL_ListBox::ScrollToListItem(int32_t nItemIndex) {
+ m_pList->ScrollToListItem(nItemIndex);
+}
+
+void CPWL_ListBox::ResetContent() {
+ m_pList->Empty();
+}
+
+void CPWL_ListBox::Reset() {
+ m_pList->Cancel();
+}
+
+bool CPWL_ListBox::IsMultipleSel() const {
+ return m_pList->IsMultipleSel();
+}
+
+int32_t CPWL_ListBox::GetCaretIndex() const {
+ return m_pList->GetCaret();
+}
+
+int32_t CPWL_ListBox::GetCurSel() const {
+ return m_pList->GetSelect();
+}
+
+bool CPWL_ListBox::IsItemSelected(int32_t nItemIndex) const {
+ return m_pList->IsItemSelected(nItemIndex);
+}
+
+int32_t CPWL_ListBox::GetTopVisibleIndex() const {
+ m_pList->ScrollToListItem(m_pList->GetFirstSelected());
+ return m_pList->GetTopItem();
+}
+
+int32_t CPWL_ListBox::GetCount() const {
+ return m_pList->GetCount();
+}
+
+int32_t CPWL_ListBox::FindNext(int32_t nIndex, wchar_t nChar) const {
+ return m_pList->FindNext(nIndex, nChar);
+}
+
+CFX_FloatRect CPWL_ListBox::GetContentRect() const {
+ return m_pList->GetContentRect();
+}
+
+float CPWL_ListBox::GetFirstHeight() const {
+ return m_pList->GetFirstHeight();
+}
+
+CFX_FloatRect CPWL_ListBox::GetListRect() const {
+ float width = static_cast<float>(GetBorderWidth() + GetInnerBorderWidth());
+ return GetWindowRect().GetDeflated(width, width);
+}
+
+bool CPWL_ListBox::OnMouseWheel(short zDelta,
+ const CFX_PointF& point,
+ uint32_t nFlag) {
+ if (zDelta < 0)
+ m_pList->OnVK_DOWN(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+ else
+ m_pList->OnVK_UP(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+
+ OnNotifySelectionChanged(false, nFlag);
+ return true;
+}