diff options
Diffstat (limited to 'fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp')
| -rw-r--r-- | fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp | 662 |
1 files changed, 662 insertions, 0 deletions
diff --git a/fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp b/fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp new file mode 100644 index 0000000000..7650a23e5b --- /dev/null +++ b/fpdfsdk/src/pdfwindow/PWL_ComboBox.cpp @@ -0,0 +1,662 @@ +// 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 "../../include/pdfwindow/PDFWindow.h"
+#include "../../include/pdfwindow/PWL_Wnd.h"
+#include "../../include/pdfwindow/PWL_EditCtrl.h"
+#include "../../include/pdfwindow/PWL_Edit.h"
+#include "../../include/pdfwindow/PWL_ListBox.h"
+#include "../../include/pdfwindow/PWL_ComboBox.h"
+#include "../../include/pdfwindow/PWL_Utils.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))
+
+
+/* ---------------------------- CPWL_CBListBox ---------------------------- */
+
+FX_BOOL CPWL_CBListBox::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
+{
+ CPWL_Wnd::OnLButtonUp(point,nFlag);
+
+ if (m_bMouseDown)
+ {
+ ReleaseCapture();
+ m_bMouseDown = FALSE;
+
+ if (this->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::OnKeyDown(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::OnChar(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;
+}
+
+/* ---------------------------- CPWL_CBButton ---------------------------- */
+
+void CPWL_CBButton::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
+{
+ CPWL_Wnd::GetThisAppearanceStream(sAppStream);
+
+ CPDF_Rect rectWnd = CPWL_Wnd::GetWindowRect();
+
+ if (IsVisible() && !rectWnd.IsEmpty())
+ {
+ CFX_ByteTextBuf sButton;
+
+ CPDF_Point ptCenter = this->GetCenterPoint();
+
+ CPDF_Point pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
+ CPDF_Point pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
+ CPDF_Point 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, CPDF_Matrix* pUser2Device)
+{
+ CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
+
+ CPDF_Rect rectWnd = CPWL_Wnd::GetWindowRect();
+
+ if (IsVisible() && !rectWnd.IsEmpty())
+ {
+ CPDF_Point ptCenter = this->GetCenterPoint();
+
+ CPDF_Point pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
+ CPDF_Point pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
+ CPDF_Point 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 CPDF_Point & 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 CPDF_Point & point, FX_DWORD nFlag)
+{
+ CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+ ReleaseCapture();
+
+ return TRUE;
+}
+
+/* ---------------------------- CPWL_ComboBox ---------------------------- */
+
+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(FX_LPCWSTR text)
+{
+ if (m_pEdit)
+ m_pEdit->SetText(text);
+}
+
+void CPWL_ComboBox::AddString(FX_LPCWSTR string)
+{
+ if (m_pList)
+ m_pList->AddString(string);
+}
+
+FX_INT32 CPWL_ComboBox::GetSelect() const
+{
+ return m_nSelectItem;
+}
+
+void CPWL_ComboBox::SetSelect(FX_INT32 nItemIndex)
+{
+ if (m_pList)
+ m_pList->Select(nItemIndex);
+
+ m_pEdit->SetText(m_pList->GetText());
+
+ m_nSelectItem = nItemIndex;
+}
+
+void CPWL_ComboBox::SetEditSel(FX_INT32 nStartChar,FX_INT32 nEndChar)
+{
+ if (m_pEdit)
+ {
+ m_pEdit->SetSel(nStartChar,nEndChar);
+ }
+}
+
+void CPWL_ComboBox::GetEditSel(FX_INT32 & nStartChar, FX_INT32 & 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 = CPDF_Rect(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 = CPDF_Rect(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()
+{
+ CPDF_Rect rcClient = GetClientRect();
+
+ if (m_bPopup)
+ {
+ CPDF_Rect rclient = GetClientRect();
+ CPDF_Rect rcButton = rclient;
+ CPDF_Rect rcEdit = rcClient;
+ CPDF_Rect 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
+ {
+ CPDF_Rect 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);
+
+ CPDF_Rect 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();
+}
+
+CPDF_Rect CPWL_ComboBox::GetFocusRect() const
+{
+ return CPDF_Rect();
+}
+
+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)
+ {
+ FX_INT32 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;
+
+ CPDF_Rect 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);
+ }
+ }
+ }
+ 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;
+ if (m_pList->OnKeyDown(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;
+ if (m_pList->OnKeyDown(nChar,bExit,nFlag))
+ {
+ if (bExit) return FALSE;
+ SetSelectText();
+ }
+ }
+ return TRUE;
+ }
+
+ if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
+ return m_pEdit->OnKeyDown(nChar,nFlag);
+ else
+ 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;
+ FX_BOOL bExit = FALSE;
+
+ if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
+ {
+ return m_pEdit->OnChar(nChar,nFlag);
+ }
+ else
+ {
+ if (m_pList->OnChar(nChar,bExit,nFlag))
+ {
+ return bExit;
+ }
+ else
+ return FALSE;
+ }
+}
+
+void CPWL_ComboBox::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam, FX_INTPTR 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());
+ m_pEdit->SelectAll();
+
+ m_nSelectItem = m_pList->GetCurSel();
+}
+
+FX_BOOL CPWL_ComboBox::IsModified() const
+{
+ return m_pEdit->IsModified();
+}
+
+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);
+}
+
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