diff options
Diffstat (limited to 'fpdfsdk/pdfwindow/PWL_ComboBox.cpp')
| -rw-r--r-- | fpdfsdk/pdfwindow/PWL_ComboBox.cpp | 651 |
1 files changed, 651 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_ComboBox.cpp b/fpdfsdk/pdfwindow/PWL_ComboBox.cpp new file mode 100644 index 0000000000..6edd6bdd85 --- /dev/null +++ b/fpdfsdk/pdfwindow/PWL_ComboBox.cpp @@ -0,0 +1,651 @@ +// 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/include/pdfwindow/PWL_ComboBox.h" + +#include "fpdfsdk/include/pdfwindow/PWL_Edit.h" +#include "fpdfsdk/include/pdfwindow/PWL_EditCtrl.h" +#include "fpdfsdk/include/pdfwindow/PWL_ListBox.h" +#include "fpdfsdk/include/pdfwindow/PWL_Utils.h" +#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h" +#include "public/fpdf_fwlevent.h" + +#define PWLCB_DEFAULTFONTSIZE 12.0f + +#define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001) +#define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb))) +#define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb))) +#define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb)) + +FX_BOOL CPWL_CBListBox::OnLButtonUp(const CFX_FloatPoint& point, + FX_DWORD nFlag) { + CPWL_Wnd::OnLButtonUp(point, nFlag); + + if (m_bMouseDown) { + ReleaseCapture(); + m_bMouseDown = FALSE; + + if (ClientHitTest(point)) { + if (CPWL_Wnd* pParent = GetParentWindow()) { + pParent->OnNotify(this, PNM_LBUTTONUP, 0, + PWL_MAKEDWORD(point.x, point.y)); + } + + FX_BOOL bExit = FALSE; + OnNotifySelChanged(FALSE, bExit, nFlag); + if (bExit) + return FALSE; + } + } + + return TRUE; +} + +FX_BOOL CPWL_CBListBox::OnKeyDownWithExit(FX_WORD nChar, + FX_BOOL& bExit, + FX_DWORD nFlag) { + if (!m_pList) + return FALSE; + + 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; + } + + OnNotifySelChanged(TRUE, bExit, nFlag); + + return TRUE; +} + +FX_BOOL CPWL_CBListBox::OnCharWithExit(FX_WORD nChar, + FX_BOOL& bExit, + FX_DWORD nFlag) { + if (!m_pList) + return FALSE; + + if (!m_pList->OnChar(nChar, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag))) + return FALSE; + + if (CPWL_ComboBox* pComboBox = (CPWL_ComboBox*)GetParentWindow()) { + pComboBox->SetSelectText(); + } + + OnNotifySelChanged(TRUE, bExit, nFlag); + + return TRUE; +} + +void CPWL_CBButton::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) { + CPWL_Wnd::GetThisAppearanceStream(sAppStream); + + CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect(); + + if (IsVisible() && !rectWnd.IsEmpty()) { + CFX_ByteTextBuf sButton; + + CFX_FloatPoint ptCenter = GetCenterPoint(); + + CFX_FloatPoint pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN, + ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); + CFX_FloatPoint pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN, + ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); + CFX_FloatPoint pt3(ptCenter.x, + ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); + + if (IsFloatBigger(rectWnd.right - rectWnd.left, + PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) && + IsFloatBigger(rectWnd.top - rectWnd.bottom, + PWL_CBBUTTON_TRIANGLE_HALFLEN)) { + sButton << "0 g\n"; + sButton << pt1.x << " " << pt1.y << " m\n"; + sButton << pt2.x << " " << pt2.y << " l\n"; + sButton << pt3.x << " " << pt3.y << " l\n"; + sButton << pt1.x << " " << pt1.y << " l f\n"; + + sAppStream << "q\n" << sButton << "Q\n"; + } + } +} + +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()) { + CFX_FloatPoint ptCenter = GetCenterPoint(); + + CFX_FloatPoint pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN, + ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); + CFX_FloatPoint pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN, + ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); + CFX_FloatPoint pt3(ptCenter.x, + ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f); + + if (IsFloatBigger(rectWnd.right - rectWnd.left, + PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) && + IsFloatBigger(rectWnd.top - rectWnd.bottom, + PWL_CBBUTTON_TRIANGLE_HALFLEN)) { + CFX_PathData path; + + path.SetPointCount(4); + path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO); + path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO); + path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO); + path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO); + + pDevice->DrawPath(&path, pUser2Device, NULL, + CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR, + GetTransparency()), + 0, FXFILL_ALTERNATE); + } + } +} + +FX_BOOL CPWL_CBButton::OnLButtonDown(const CFX_FloatPoint& point, + FX_DWORD nFlag) { + CPWL_Wnd::OnLButtonDown(point, nFlag); + + SetCapture(); + + if (CPWL_Wnd* pParent = GetParentWindow()) { + pParent->OnNotify(this, PNM_LBUTTONDOWN, 0, + PWL_MAKEDWORD(point.x, point.y)); + } + + return TRUE; +} + +FX_BOOL CPWL_CBButton::OnLButtonUp(const CFX_FloatPoint& point, + FX_DWORD nFlag) { + CPWL_Wnd::OnLButtonUp(point, nFlag); + + ReleaseCapture(); + + return TRUE; +} + +CPWL_ComboBox::CPWL_ComboBox() + : m_pEdit(NULL), + m_pButton(NULL), + m_pList(NULL), + m_bPopup(FALSE), + m_nPopupWhere(0), + m_nSelectItem(-1), + m_pFillerNotify(NULL) {} + +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::SetFocus() { + if (m_pEdit) + m_pEdit->SetFocus(); +} + +void CPWL_ComboBox::KillFocus() { + SetPopup(FALSE); + CPWL_Wnd::KillFocus(); +} + +CFX_WideString CPWL_ComboBox::GetText() const { + if (m_pEdit) { + return m_pEdit->GetText(); + } + return CFX_WideString(); +} + +void CPWL_ComboBox::SetText(const FX_WCHAR* text) { + if (m_pEdit) + m_pEdit->SetText(text); +} + +void CPWL_ComboBox::AddString(const FX_WCHAR* 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().c_str()); + + m_nSelectItem = nItemIndex; +} + +void CPWL_ComboBox::SetEditSel(int32_t nStartChar, int32_t nEndChar) { + if (m_pEdit) { + m_pEdit->SetSel(nStartChar, nEndChar); + } +} + +void CPWL_ComboBox::GetEditSel(int32_t& nStartChar, int32_t& nEndChar) const { + nStartChar = -1; + nEndChar = -1; + + if (m_pEdit) { + m_pEdit->GetSel(nStartChar, nEndChar); + } +} + +void CPWL_ComboBox::Clear() { + if (m_pEdit) { + m_pEdit->Clear(); + } +} + +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) { + m_pEdit = new CPWL_CBEdit; + m_pEdit->AttachFFLData(m_pFormFiller); + + 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(0, 0, 0, 0); + ecp.dwBorderWidth = 0; + ecp.nBorderStyle = PBS_SOLID; + + m_pEdit->Create(ecp); + } +} + +void CPWL_ComboBox::CreateButton(const PWL_CREATEPARAM& cp) { + if (!m_pButton) { + m_pButton = new CPWL_CBButton; + + PWL_CREATEPARAM bcp = cp; + bcp.pParentWnd = this; + bcp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND; + bcp.sBackgroundColor = PWL_SCROLLBAR_BKCOLOR; + bcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR; + bcp.dwBorderWidth = 2; + bcp.nBorderStyle = PBS_BEVELED; + bcp.eCursorType = FXCT_ARROW; + + m_pButton->Create(bcp); + } +} + +void CPWL_ComboBox::CreateListBox(const PWL_CREATEPARAM& cp) { + if (!m_pList) { + m_pList = new CPWL_CBListBox; + m_pList->AttachFFLData(m_pFormFiller); + PWL_CREATEPARAM lcp = cp; + lcp.pParentWnd = this; + lcp.dwFlags = + PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PLBS_HOVERSEL | PWS_VSCROLL; + lcp.nBorderStyle = PBS_SOLID; + lcp.dwBorderWidth = 1; + lcp.eCursorType = FXCT_ARROW; + lcp.rcRectWnd = CFX_FloatRect(0, 0, 0, 0); + + if (cp.dwFlags & PWS_AUTOFONTSIZE) + lcp.fFontSize = PWLCB_DEFAULTFONTSIZE; + 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() { + CFX_FloatRect rcClient = GetClientRect(); + + if (m_bPopup) { + CFX_FloatRect rclient = GetClientRect(); + CFX_FloatRect rcButton = rclient; + CFX_FloatRect rcEdit = rcClient; + CFX_FloatRect rcList = CPWL_Wnd::GetWindowRect(); + + FX_FLOAT fOldWindowHeight = m_rcOldWindow.Height(); + FX_FLOAT fOldClientHeight = fOldWindowHeight - GetBorderWidth() * 2; + + switch (m_nPopupWhere) { + case 0: + rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH; + + if (rcButton.left < rclient.left) + rcButton.left = rclient.left; + + rcButton.bottom = rcButton.top - fOldClientHeight; + + rcEdit.right = rcButton.left - 1.0f; + + if (rcEdit.left < rclient.left) + rcEdit.left = rclient.left; + + if (rcEdit.right < rcEdit.left) + rcEdit.right = rcEdit.left; + + rcEdit.bottom = rcEdit.top - fOldClientHeight; + + rcList.top -= fOldWindowHeight; + + break; + case 1: + rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH; + + if (rcButton.left < rclient.left) + rcButton.left = rclient.left; + + rcButton.top = rcButton.bottom + fOldClientHeight; + + rcEdit.right = rcButton.left - 1.0f; + + if (rcEdit.left < rclient.left) + rcEdit.left = rclient.left; + + if (rcEdit.right < rcEdit.left) + rcEdit.right = rcEdit.left; + + rcEdit.top = rcEdit.bottom + fOldClientHeight; + + rcList.bottom += fOldWindowHeight; + + break; + } + + 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); + } + } else { + CFX_FloatRect rcButton = rcClient; + + rcButton.left = rcButton.right - PWL_COMBOBOX_BUTTON_WIDTH; + + if (rcButton.left < rcClient.left) + rcButton.left = rcClient.left; + + if (m_pButton) + m_pButton->Move(rcButton, TRUE, FALSE); + + CFX_FloatRect rcEdit = rcClient; + rcEdit.right = rcButton.left - 1.0f; + + if (rcEdit.left < rcClient.left) + rcEdit.left = rcClient.left; + + if (rcEdit.right < rcEdit.left) + rcEdit.right = 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(FX_BOOL bPopup) { + if (!m_pList) + return; + if (bPopup == m_bPopup) + return; + FX_FLOAT fListHeight = m_pList->GetContentRect().Height(); + if (!IsFloatBigger(fListHeight, 0.0f)) + return; + + if (bPopup) { + if (m_pFillerNotify) { +#ifdef PDF_ENABLE_XFA + FX_BOOL bExit = FALSE; + m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), bExit, 0); + if (bExit) + return; +#endif // PDF_ENABLE_XFA + int32_t nWhere = 0; + FX_FLOAT fPopupRet = 0.0f; + FX_FLOAT fPopupMin = 0.0f; + if (m_pList->GetCount() > 3) + fPopupMin = + m_pList->GetFirstHeight() * 3 + m_pList->GetBorderWidth() * 2; + FX_FLOAT fPopupMax = fListHeight + m_pList->GetBorderWidth() * 2; + m_pFillerNotify->QueryWherePopup(GetAttachedData(), fPopupMin, fPopupMax, + nWhere, fPopupRet); + + if (IsFloatBigger(fPopupRet, 0.0f)) { + m_bPopup = bPopup; + + CFX_FloatRect rcWindow = CPWL_Wnd::GetWindowRect(); + m_rcOldWindow = rcWindow; + switch (nWhere) { + default: + case 0: + rcWindow.bottom -= fPopupRet; + break; + case 1: + rcWindow.top += fPopupRet; + break; + } + + m_nPopupWhere = nWhere; + Move(rcWindow, TRUE, TRUE); +#ifdef PDF_ENABLE_XFA + bExit = FALSE; + m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), bExit, 0); + if (bExit) + return; +#endif // PDF_ENABLE_XFA + } + } + } else { + m_bPopup = bPopup; + Move(m_rcOldWindow, TRUE, TRUE); + } +} + +FX_BOOL CPWL_ComboBox::OnKeyDown(FX_WORD nChar, FX_DWORD 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) { + FX_BOOL bExit = FALSE; +#ifdef PDF_ENABLE_XFA + if (m_pFillerNotify) { + m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), bExit, nFlag); + if (bExit) + return FALSE; + bExit = FALSE; + m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), bExit, nFlag); + if (bExit) + return FALSE; + } +#endif // PDF_ENABLE_XFA + if (m_pList->OnKeyDownWithExit(nChar, bExit, nFlag)) { + if (bExit) + return FALSE; + SetSelectText(); + } + } + return TRUE; + case FWL_VKEY_Down: + if (m_pList->GetCurSel() < m_pList->GetCount() - 1) { + FX_BOOL bExit = FALSE; +#ifdef PDF_ENABLE_XFA + if (m_pFillerNotify) { + m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), bExit, nFlag); + if (bExit) + return FALSE; + bExit = FALSE; + m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), bExit, nFlag); + if (bExit) + return FALSE; + } +#endif // PDF_ENABLE_XFA + if (m_pList->OnKeyDownWithExit(nChar, bExit, nFlag)) { + if (bExit) + return FALSE; + SetSelectText(); + } + } + return TRUE; + } + + if (HasFlag(PCBS_ALLOWCUSTOMTEXT)) + return m_pEdit->OnKeyDown(nChar, nFlag); + + return FALSE; +} + +FX_BOOL CPWL_ComboBox::OnChar(FX_WORD nChar, FX_DWORD nFlag) { + if (!m_pList) + return FALSE; + + if (!m_pEdit) + return FALSE; + + m_nSelectItem = -1; + if (HasFlag(PCBS_ALLOWCUSTOMTEXT)) + return m_pEdit->OnChar(nChar, nFlag); + + FX_BOOL bExit = FALSE; +#ifdef PDF_ENABLE_XFA + if (m_pFillerNotify) { + m_pFillerNotify->OnPopupPreOpen(GetAttachedData(), bExit, nFlag); + if (bExit) + return FALSE; + + m_pFillerNotify->OnPopupPostOpen(GetAttachedData(), bExit, nFlag); + if (bExit) + return FALSE; + } +#endif // PDF_ENABLE_XFA + return m_pList->OnCharWithExit(nChar, bExit, nFlag) ? bExit : FALSE; +} + +void CPWL_ComboBox::OnNotify(CPWL_Wnd* pWnd, + FX_DWORD msg, + intptr_t wParam, + intptr_t lParam) { + switch (msg) { + case PNM_LBUTTONDOWN: + if (pWnd == m_pButton) { + SetPopup(!m_bPopup); + return; + } + break; + case PNM_LBUTTONUP: + if (m_pEdit && m_pList) { + if (pWnd == m_pList) { + SetSelectText(); + SelectAll(); + m_pEdit->SetFocus(); + SetPopup(FALSE); + return; + } + } + } + + CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam); +} + +FX_BOOL CPWL_ComboBox::IsPopup() const { + return m_bPopup; +} + +void CPWL_ComboBox::SetSelectText() { + CFX_WideString swText = m_pList->GetText(); + m_pEdit->SelectAll(); + m_pEdit->ReplaceSel(m_pList->GetText().c_str()); + 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); +} |