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-rw-r--r--fpdfsdk/pwl/cpwl_combo_box.cpp541
1 files changed, 541 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_combo_box.cpp b/fpdfsdk/pwl/cpwl_combo_box.cpp
new file mode 100644
index 0000000000..9514e55646
--- /dev/null
+++ b/fpdfsdk/pwl/cpwl_combo_box.cpp
@@ -0,0 +1,541 @@
+// 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_combo_box.h"
+
+#include <algorithm>
+#include <sstream>
+
+#include "core/fxge/cfx_pathdata.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "fpdfsdk/pwl/cpwl_edit.h"
+#include "fpdfsdk/pwl/cpwl_edit_ctrl.h"
+#include "fpdfsdk/pwl/cpwl_list_box.h"
+#include "fpdfsdk/pwl/cpwl_list_impl.h"
+#include "fpdfsdk/pwl/cpwl_wnd.h"
+#include "public/fpdf_fwlevent.h"
+
+namespace {
+
+constexpr float kDefaultFontSize = 12.0f;
+constexpr float kTriangleHalfLength = 3.0f;
+
+} // namespace
+
+bool CPWL_CBListBox::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+ if (!m_bMouseDown)
+ return true;
+
+ ReleaseCapture();
+ m_bMouseDown = false;
+
+ if (!ClientHitTest(point))
+ return true;
+ if (CPWL_Wnd* pParent = GetParentWindow())
+ pParent->NotifyLButtonUp(this, point);
+
+ return !OnNotifySelectionChanged(false, nFlag);
+}
+
+bool CPWL_CBListBox::IsMovementKey(uint16_t nChar) const {
+ switch (nChar) {
+ case FWL_VKEY_Up:
+ case FWL_VKEY_Down:
+ case FWL_VKEY_Home:
+ case FWL_VKEY_Left:
+ case FWL_VKEY_End:
+ case FWL_VKEY_Right:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool CPWL_CBListBox::OnMovementKeyDown(uint16_t nChar, uint32_t nFlag) {
+ ASSERT(IsMovementKey(nChar));
+
+ 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;
+ }
+ return OnNotifySelectionChanged(true, nFlag);
+}
+
+bool CPWL_CBListBox::IsChar(uint16_t nChar, uint32_t nFlag) const {
+ return m_pList->OnChar(nChar, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+}
+
+bool CPWL_CBListBox::OnCharNotify(uint16_t nChar, uint32_t nFlag) {
+ if (CPWL_ComboBox* pComboBox = (CPWL_ComboBox*)GetParentWindow())
+ pComboBox->SetSelectText();
+
+ return OnNotifySelectionChanged(true, nFlag);
+}
+
+void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
+ CFX_Matrix* pUser2Device) {
+ CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
+
+ CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();
+
+ if (!IsVisible() || rectWnd.IsEmpty())
+ return;
+
+ CFX_PointF ptCenter = GetCenterPoint();
+
+ CFX_PointF pt1(ptCenter.x - kTriangleHalfLength,
+ ptCenter.y + kTriangleHalfLength * 0.5f);
+ CFX_PointF pt2(ptCenter.x + kTriangleHalfLength,
+ ptCenter.y + kTriangleHalfLength * 0.5f);
+ CFX_PointF pt3(ptCenter.x, ptCenter.y - kTriangleHalfLength * 0.5f);
+
+ if (IsFloatBigger(rectWnd.right - rectWnd.left, kTriangleHalfLength * 2) &&
+ IsFloatBigger(rectWnd.top - rectWnd.bottom, kTriangleHalfLength)) {
+ CFX_PathData path;
+ path.AppendPoint(pt1, FXPT_TYPE::MoveTo, false);
+ path.AppendPoint(pt2, FXPT_TYPE::LineTo, false);
+ path.AppendPoint(pt3, FXPT_TYPE::LineTo, false);
+ path.AppendPoint(pt1, FXPT_TYPE::LineTo, false);
+
+ pDevice->DrawPath(&path, pUser2Device, nullptr,
+ PWL_DEFAULT_BLACKCOLOR.ToFXColor(GetTransparency()), 0,
+ FXFILL_ALTERNATE);
+ }
+}
+
+bool CPWL_CBButton::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonDown(point, nFlag);
+
+ SetCapture();
+
+ if (CPWL_Wnd* pParent = GetParentWindow())
+ pParent->NotifyLButtonDown(this, point);
+
+ return true;
+}
+
+bool CPWL_CBButton::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) {
+ CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+ ReleaseCapture();
+
+ return true;
+}
+
+CPWL_ComboBox::CPWL_ComboBox() {}
+
+CPWL_ComboBox::~CPWL_ComboBox() {}
+
+CFX_ByteString CPWL_ComboBox::GetClassName() const {
+ return "CPWL_ComboBox";
+}
+
+void CPWL_ComboBox::OnCreate(PWL_CREATEPARAM& cp) {
+ cp.dwFlags &= ~PWS_HSCROLL;
+ cp.dwFlags &= ~PWS_VSCROLL;
+}
+
+void CPWL_ComboBox::OnDestroy() {
+ // Until cleanup takes place in the virtual destructor for CPWL_Wnd
+ // subclasses, implement the virtual OnDestroy method that does the
+ // cleanup first, then invokes the superclass OnDestroy ... gee,
+ // like a dtor would.
+ m_pList.Release();
+ m_pButton.Release();
+ m_pEdit.Release();
+ CPWL_Wnd::OnDestroy();
+}
+
+void CPWL_ComboBox::SetFocus() {
+ if (m_pEdit)
+ m_pEdit->SetFocus();
+}
+
+void CPWL_ComboBox::KillFocus() {
+ SetPopup(false);
+ CPWL_Wnd::KillFocus();
+}
+
+CFX_WideString CPWL_ComboBox::GetSelectedText() {
+ if (m_pEdit)
+ return m_pEdit->GetSelectedText();
+
+ return CFX_WideString();
+}
+
+void CPWL_ComboBox::DeleteSelectedText() {
+ if (m_pEdit)
+ m_pEdit->DeleteSelectedText();
+}
+
+CFX_WideString CPWL_ComboBox::GetText() const {
+ if (m_pEdit) {
+ return m_pEdit->GetText();
+ }
+ return CFX_WideString();
+}
+
+void CPWL_ComboBox::SetText(const CFX_WideString& text) {
+ if (m_pEdit)
+ m_pEdit->SetText(text);
+}
+
+void CPWL_ComboBox::AddString(const CFX_WideString& str) {
+ if (m_pList)
+ m_pList->AddString(str);
+}
+
+int32_t CPWL_ComboBox::GetSelect() const {
+ return m_nSelectItem;
+}
+
+void CPWL_ComboBox::SetSelect(int32_t nItemIndex) {
+ if (m_pList)
+ m_pList->Select(nItemIndex);
+
+ m_pEdit->SetText(m_pList->GetText());
+ m_nSelectItem = nItemIndex;
+}
+
+void CPWL_ComboBox::SetEditSelection(int32_t nStartChar, int32_t nEndChar) {
+ if (m_pEdit)
+ m_pEdit->SetSelection(nStartChar, nEndChar);
+}
+
+void CPWL_ComboBox::GetEditSelection(int32_t& nStartChar,
+ int32_t& nEndChar) const {
+ nStartChar = -1;
+ nEndChar = -1;
+
+ if (m_pEdit)
+ m_pEdit->GetSelection(nStartChar, nEndChar);
+}
+
+void CPWL_ComboBox::ClearSelection() {
+ if (m_pEdit)
+ m_pEdit->ClearSelection();
+}
+
+void CPWL_ComboBox::CreateChildWnd(const PWL_CREATEPARAM& cp) {
+ CreateEdit(cp);
+ CreateButton(cp);
+ CreateListBox(cp);
+}
+
+void CPWL_ComboBox::CreateEdit(const PWL_CREATEPARAM& cp) {
+ if (m_pEdit)
+ return;
+
+ m_pEdit = new CPWL_Edit();
+ m_pEdit->AttachFFLData(m_pFormFiller.Get());
+
+ PWL_CREATEPARAM ecp = cp;
+ ecp.pParentWnd = this;
+ ecp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PES_CENTER |
+ PES_AUTOSCROLL | PES_UNDO;
+
+ if (HasFlag(PWS_AUTOFONTSIZE))
+ ecp.dwFlags |= PWS_AUTOFONTSIZE;
+
+ if (!HasFlag(PCBS_ALLOWCUSTOMTEXT))
+ ecp.dwFlags |= PWS_READONLY;
+
+ ecp.rcRectWnd = CFX_FloatRect();
+ ecp.dwBorderWidth = 0;
+ ecp.nBorderStyle = BorderStyle::SOLID;
+ m_pEdit->Create(ecp);
+}
+
+void CPWL_ComboBox::CreateButton(const PWL_CREATEPARAM& cp) {
+ if (m_pButton)
+ return;
+
+ m_pButton = new CPWL_CBButton;
+
+ PWL_CREATEPARAM bcp = cp;
+ bcp.pParentWnd = this;
+ bcp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND;
+ bcp.sBackgroundColor = CFX_Color(COLORTYPE_RGB, 220.0f / 255.0f,
+ 220.0f / 255.0f, 220.0f / 255.0f);
+ bcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR;
+ bcp.dwBorderWidth = 2;
+ bcp.nBorderStyle = BorderStyle::BEVELED;
+ bcp.eCursorType = FXCT_ARROW;
+ m_pButton->Create(bcp);
+}
+
+void CPWL_ComboBox::CreateListBox(const PWL_CREATEPARAM& cp) {
+ if (m_pList)
+ return;
+
+ m_pList = new CPWL_CBListBox();
+ m_pList->AttachFFLData(m_pFormFiller.Get());
+
+ PWL_CREATEPARAM lcp = cp;
+ lcp.pParentWnd = this;
+ lcp.dwFlags =
+ PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PLBS_HOVERSEL | PWS_VSCROLL;
+ lcp.nBorderStyle = BorderStyle::SOLID;
+ lcp.dwBorderWidth = 1;
+ lcp.eCursorType = FXCT_ARROW;
+ lcp.rcRectWnd = CFX_FloatRect();
+
+ if (cp.dwFlags & PWS_AUTOFONTSIZE)
+ lcp.fFontSize = kDefaultFontSize;
+ else
+ lcp.fFontSize = cp.fFontSize;
+
+ if (cp.sBorderColor.nColorType == COLORTYPE_TRANSPARENT)
+ lcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR;
+
+ if (cp.sBackgroundColor.nColorType == COLORTYPE_TRANSPARENT)
+ lcp.sBackgroundColor = PWL_DEFAULT_WHITECOLOR;
+
+ m_pList->Create(lcp);
+}
+
+void CPWL_ComboBox::RePosChildWnd() {
+ const CFX_FloatRect rcClient = GetClientRect();
+ if (m_bPopup) {
+ const float fOldWindowHeight = m_rcOldWindow.Height();
+ const float fOldClientHeight = fOldWindowHeight - GetBorderWidth() * 2;
+
+ CFX_FloatRect rcList = CPWL_Wnd::GetWindowRect();
+ CFX_FloatRect rcButton = rcClient;
+ rcButton.left =
+ std::max(rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH, rcClient.left);
+ CFX_FloatRect rcEdit = rcClient;
+ rcEdit.right = std::max(rcButton.left - 1.0f, rcEdit.left);
+ if (m_bBottom) {
+ rcButton.bottom = rcButton.top - fOldClientHeight;
+ rcEdit.bottom = rcEdit.top - fOldClientHeight;
+ rcList.top -= fOldWindowHeight;
+ } else {
+ rcButton.top = rcButton.bottom + fOldClientHeight;
+ rcEdit.top = rcEdit.bottom + fOldClientHeight;
+ rcList.bottom += fOldWindowHeight;
+ }
+
+ if (m_pButton)
+ m_pButton->Move(rcButton, true, false);
+
+ if (m_pEdit)
+ m_pEdit->Move(rcEdit, true, false);
+
+ if (m_pList) {
+ m_pList->SetVisible(true);
+ m_pList->Move(rcList, true, false);
+ m_pList->ScrollToListItem(m_nSelectItem);
+ }
+ return;
+ }
+
+ CFX_FloatRect rcButton = rcClient;
+ rcButton.left =
+ std::max(rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH, rcClient.left);
+
+ if (m_pButton)
+ m_pButton->Move(rcButton, true, false);
+
+ CFX_FloatRect rcEdit = rcClient;
+ rcEdit.right = std::max(rcButton.left - 1.0f, rcEdit.left);
+
+ if (m_pEdit)
+ m_pEdit->Move(rcEdit, true, false);
+
+ if (m_pList)
+ m_pList->SetVisible(false);
+}
+
+void CPWL_ComboBox::SelectAll() {
+ if (m_pEdit && HasFlag(PCBS_ALLOWCUSTOMTEXT))
+ m_pEdit->SelectAll();
+}
+
+CFX_FloatRect CPWL_ComboBox::GetFocusRect() const {
+ return CFX_FloatRect();
+}
+
+void CPWL_ComboBox::SetPopup(bool bPopup) {
+ if (!m_pList)
+ return;
+ if (bPopup == m_bPopup)
+ return;
+ float fListHeight = m_pList->GetContentRect().Height();
+ if (!IsFloatBigger(fListHeight, 0.0f))
+ return;
+
+ if (!bPopup) {
+ m_bPopup = bPopup;
+ Move(m_rcOldWindow, true, true);
+ return;
+ }
+
+ if (!m_pFillerNotify)
+ return;
+
+#ifdef PDF_ENABLE_XFA
+ if (m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), 0))
+ return;
+#endif // PDF_ENABLE_XFA
+
+ float fBorderWidth = m_pList->GetBorderWidth() * 2;
+ float fPopupMin = 0.0f;
+ if (m_pList->GetCount() > 3)
+ fPopupMin = m_pList->GetFirstHeight() * 3 + fBorderWidth;
+ float fPopupMax = fListHeight + fBorderWidth;
+
+ bool bBottom;
+ float fPopupRet;
+ m_pFillerNotify->QueryWherePopup(GetAttachedData(), fPopupMin, fPopupMax,
+ &bBottom, &fPopupRet);
+ if (!IsFloatBigger(fPopupRet, 0.0f))
+ return;
+
+ m_rcOldWindow = CPWL_Wnd::GetWindowRect();
+ m_bPopup = bPopup;
+ m_bBottom = bBottom;
+
+ CFX_FloatRect rcWindow = m_rcOldWindow;
+ if (bBottom)
+ rcWindow.bottom -= fPopupRet;
+ else
+ rcWindow.top += fPopupRet;
+
+ Move(rcWindow, true, true);
+#ifdef PDF_ENABLE_XFA
+ m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), 0);
+#endif // PDF_ENABLE_XFA
+}
+
+bool CPWL_ComboBox::OnKeyDown(uint16_t nChar, uint32_t nFlag) {
+ if (!m_pList)
+ return false;
+ if (!m_pEdit)
+ return false;
+
+ m_nSelectItem = -1;
+
+ switch (nChar) {
+ case FWL_VKEY_Up:
+ if (m_pList->GetCurSel() > 0) {
+#ifdef PDF_ENABLE_XFA
+ if (m_pFillerNotify) {
+ if (m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), nFlag))
+ return false;
+ if (m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), nFlag))
+ return false;
+ }
+#endif // PDF_ENABLE_XFA
+ if (m_pList->IsMovementKey(nChar)) {
+ if (m_pList->OnMovementKeyDown(nChar, nFlag))
+ return false;
+ SetSelectText();
+ }
+ }
+ return true;
+ case FWL_VKEY_Down:
+ if (m_pList->GetCurSel() < m_pList->GetCount() - 1) {
+#ifdef PDF_ENABLE_XFA
+ if (m_pFillerNotify) {
+ if (m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), nFlag))
+ return false;
+ if (m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), nFlag))
+ return false;
+ }
+#endif // PDF_ENABLE_XFA
+ if (m_pList->IsMovementKey(nChar)) {
+ if (m_pList->OnMovementKeyDown(nChar, nFlag))
+ return false;
+ SetSelectText();
+ }
+ }
+ return true;
+ }
+
+ if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
+ return m_pEdit->OnKeyDown(nChar, nFlag);
+
+ return false;
+}
+
+bool CPWL_ComboBox::OnChar(uint16_t nChar, uint32_t nFlag) {
+ if (!m_pList)
+ return false;
+
+ if (!m_pEdit)
+ return false;
+
+ m_nSelectItem = -1;
+ if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
+ return m_pEdit->OnChar(nChar, nFlag);
+
+#ifdef PDF_ENABLE_XFA
+ if (m_pFillerNotify) {
+ if (m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), nFlag))
+ return false;
+ if (m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), nFlag))
+ return false;
+ }
+#endif // PDF_ENABLE_XFA
+ if (!m_pList->IsChar(nChar, nFlag))
+ return false;
+ return m_pList->OnCharNotify(nChar, nFlag);
+}
+
+void CPWL_ComboBox::NotifyLButtonDown(CPWL_Wnd* child, const CFX_PointF& pos) {
+ if (child == m_pButton)
+ SetPopup(!m_bPopup);
+}
+
+void CPWL_ComboBox::NotifyLButtonUp(CPWL_Wnd* child, const CFX_PointF& pos) {
+ if (!m_pEdit || !m_pList || child != m_pList)
+ return;
+
+ SetSelectText();
+ SelectAll();
+ m_pEdit->SetFocus();
+ SetPopup(false);
+}
+
+bool CPWL_ComboBox::IsPopup() const {
+ return m_bPopup;
+}
+
+void CPWL_ComboBox::SetSelectText() {
+ m_pEdit->SelectAll();
+ m_pEdit->ReplaceSel(m_pList->GetText());
+ m_pEdit->SelectAll();
+ m_nSelectItem = m_pList->GetCurSel();
+}
+
+void CPWL_ComboBox::SetFillerNotify(IPWL_Filler_Notify* pNotify) {
+ m_pFillerNotify = pNotify;
+
+ if (m_pEdit)
+ m_pEdit->SetFillerNotify(pNotify);
+
+ if (m_pList)
+ m_pList->SetFillerNotify(pNotify);
+}