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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      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 "xfa/src/foxitlib.h"
      8 #include "xfa/src/fxfa/src/common/xfa_common.h"
      9 #include "xfa_ffwidget.h"
     10 #include "xfa_fffield.h"
     11 #include "xfa_ffpageview.h"
     12 #include "xfa_ffapp.h"
     13 #include "xfa_ffdoc.h"
     14 #include "xfa_fwltheme.h"
     15 #include "xfa_textlayout.h"
     16 #include "xfa_ffdocview.h"
     17 CXFA_FFField::CXFA_FFField(CXFA_FFPageView* pPageView, CXFA_WidgetAcc* pDataAcc)
     18     : CXFA_FFWidget(pPageView, pDataAcc), m_pNormalWidget(NULL) {
     19   m_rtUI.Set(0, 0, 0, 0);
     20   m_rtCaption.Set(0, 0, 0, 0);
     21 }
     22 CXFA_FFField::~CXFA_FFField() {
     23   CXFA_FFField::UnloadWidget();
     24 }
     25 FX_BOOL CXFA_FFField::GetBBox(CFX_RectF& rtBox,
     26                               FX_DWORD dwStatus,
     27                               FX_BOOL bDrawFocus) {
     28   if (bDrawFocus) {
     29     XFA_ELEMENT type = (XFA_ELEMENT)m_pDataAcc->GetUIType();
     30     if (type == XFA_ELEMENT_Button || type == XFA_ELEMENT_CheckButton ||
     31         type == XFA_ELEMENT_ImageEdit || type == XFA_ELEMENT_Signature ||
     32         type == XFA_ELEMENT_ChoiceList) {
     33       rtBox = m_rtUI;
     34       CFX_Matrix mt;
     35       GetRotateMatrix(mt);
     36       mt.TransformRect(rtBox);
     37       return TRUE;
     38     }
     39     return FALSE;
     40   }
     41 #ifndef _XFA_EMB
     42   return CXFA_FFWidget::GetBBox(rtBox, dwStatus);
     43 #endif
     44   GetRectWithoutRotate(rtBox);
     45   if (m_pNormalWidget) {
     46     CFX_RectF rtWidget;
     47     m_pNormalWidget->GetWidgetRect(rtWidget);
     48     rtBox.Union(rtWidget);
     49   }
     50   CFX_Matrix mt;
     51   GetRotateMatrix(mt);
     52   mt.TransformRect(rtBox);
     53   return TRUE;
     54 }
     55 void CXFA_FFField::RenderWidget(CFX_Graphics* pGS,
     56                                 CFX_Matrix* pMatrix,
     57                                 FX_DWORD dwStatus,
     58                                 int32_t iRotate) {
     59   if (!IsMatchVisibleStatus(dwStatus)) {
     60     return;
     61   }
     62   CFX_Matrix mtRotate;
     63   GetRotateMatrix(mtRotate);
     64   if (pMatrix) {
     65     mtRotate.Concat(*pMatrix);
     66   }
     67   CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
     68   CXFA_Border borderUI = m_pDataAcc->GetUIBorder();
     69   DrawBorder(pGS, borderUI, m_rtUI, &mtRotate);
     70   RenderCaption(pGS, &mtRotate);
     71   DrawHighlight(pGS, &mtRotate, dwStatus, FALSE);
     72   CFX_RectF rtWidget;
     73   m_pNormalWidget->GetWidgetRect(rtWidget);
     74   CFX_Matrix mt;
     75   mt.Set(1, 0, 0, 1, rtWidget.left, rtWidget.top);
     76   mt.Concat(mtRotate);
     77   GetApp()->GetWidgetMgrDelegate()->OnDrawWidget(m_pNormalWidget->GetWidget(),
     78                                                  pGS, &mt);
     79 }
     80 void CXFA_FFField::DrawHighlight(CFX_Graphics* pGS,
     81                                  CFX_Matrix* pMatrix,
     82                                  FX_DWORD dwStatus,
     83                                  FX_BOOL bEllipse) {
     84   if (m_rtUI.IsEmpty() || !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
     85     return;
     86   }
     87   if ((dwStatus & XFA_WIDGETSTATUS_Highlight) &&
     88       m_pDataAcc->GetAccess() == XFA_ATTRIBUTEENUM_Open) {
     89     CXFA_FFDoc* pDoc = GetDoc();
     90     CFX_Color crHighlight(pDoc->GetDocProvider()->GetHighlightColor(pDoc));
     91     pGS->SetFillColor(&crHighlight);
     92     CFX_Path path;
     93     path.Create();
     94     if (bEllipse) {
     95       path.AddEllipse(m_rtUI);
     96     } else {
     97       path.AddRectangle(m_rtUI.left, m_rtUI.top, m_rtUI.width, m_rtUI.height);
     98     }
     99     pGS->FillPath(&path, FXFILL_WINDING, pMatrix);
    100   }
    101 }
    102 void CXFA_FFField::DrawFocus(CFX_Graphics* pGS, CFX_Matrix* pMatrix) {
    103   if (m_dwStatus & XFA_WIDGETSTATUS_Focused) {
    104     CFX_Color cr(0xFF000000);
    105     pGS->SetStrokeColor(&cr);
    106     FX_FLOAT DashPattern[2] = {1, 1};
    107     pGS->SetLineDash(0.0f, DashPattern, 2);
    108     pGS->SetLineWidth(0, FALSE);
    109     CFX_Path path;
    110     path.Create();
    111     path.AddRectangle(m_rtUI.left, m_rtUI.top, m_rtUI.width, m_rtUI.height);
    112     pGS->StrokePath(&path, pMatrix);
    113   }
    114 }
    115 void CXFA_FFField::SetFWLThemeProvider() {
    116   if (m_pNormalWidget) {
    117     m_pNormalWidget->m_pIface->SetThemeProvider(GetApp()->GetFWLTheme());
    118   }
    119 }
    120 FX_BOOL CXFA_FFField::IsLoaded() {
    121   return m_pNormalWidget != NULL && CXFA_FFWidget::IsLoaded();
    122 }
    123 FX_BOOL CXFA_FFField::LoadWidget() {
    124   SetFWLThemeProvider();
    125   m_pDataAcc->LoadCaption();
    126   PerformLayout();
    127   return TRUE;
    128 }
    129 void CXFA_FFField::UnloadWidget() {
    130   delete m_pNormalWidget;
    131   m_pNormalWidget = nullptr;
    132 }
    133 void CXFA_FFField::SetEditScrollOffset() {
    134   XFA_ELEMENT eType = m_pDataAcc->GetUIType();
    135   if (eType == XFA_ELEMENT_TextEdit || eType == XFA_ELEMENT_NumericEdit ||
    136       eType == XFA_ELEMENT_PasswordEdit) {
    137     FX_FLOAT fScrollOffset = 0;
    138     CXFA_FFField* pPrev = static_cast<CXFA_FFField*>(GetPrev());
    139     if (pPrev) {
    140       CFX_RectF rtMargin;
    141       m_pDataAcc->GetUIMargin(rtMargin);
    142       fScrollOffset = -rtMargin.top;
    143     }
    144     while (pPrev) {
    145       fScrollOffset += pPrev->m_rtUI.height;
    146       pPrev = static_cast<CXFA_FFField*>(pPrev->GetPrev());
    147     }
    148     ((CFWL_Edit*)m_pNormalWidget)->SetScrollOffset(fScrollOffset);
    149   }
    150 }
    151 FX_BOOL CXFA_FFField::PerformLayout() {
    152   CXFA_FFWidget::PerformLayout();
    153   CapPlacement();
    154   LayoutCaption();
    155   SetFWLRect();
    156   SetEditScrollOffset();
    157   if (m_pNormalWidget) {
    158     m_pNormalWidget->Update();
    159   }
    160   return TRUE;
    161 }
    162 void CXFA_FFField::CapPlacement() {
    163   CFX_RectF rtWidget;
    164   GetRectWithoutRotate(rtWidget);
    165   CXFA_Margin mgWidget = m_pDataAcc->GetMargin();
    166   if (mgWidget) {
    167     CXFA_LayoutItem* pItem = this;
    168     FX_FLOAT fLeftInset = 0, fRightInset = 0, fTopInset = 0, fBottomInset = 0;
    169     mgWidget.GetLeftInset(fLeftInset);
    170     mgWidget.GetRightInset(fRightInset);
    171     mgWidget.GetTopInset(fTopInset);
    172     mgWidget.GetBottomInset(fBottomInset);
    173     if (pItem->GetPrev() == NULL && pItem->GetNext() == NULL) {
    174       rtWidget.Deflate(fLeftInset, fTopInset, fRightInset, fBottomInset);
    175     } else {
    176       if (pItem->GetPrev() == NULL) {
    177         rtWidget.Deflate(fLeftInset, fTopInset, fRightInset, 0);
    178       } else if (pItem->GetNext() == NULL) {
    179         rtWidget.Deflate(fLeftInset, 0, fRightInset, fBottomInset);
    180       } else {
    181         rtWidget.Deflate(fLeftInset, 0, fRightInset, 0);
    182       }
    183     }
    184   }
    185   XFA_ATTRIBUTEENUM iCapPlacement = XFA_ATTRIBUTEENUM_Unknown;
    186   FX_FLOAT fCapReserve = 0;
    187   CXFA_Caption caption = m_pDataAcc->GetCaption();
    188   if (caption.IsExistInXML() &&
    189       caption.GetPresence() != XFA_ATTRIBUTEENUM_Hidden) {
    190     iCapPlacement = (XFA_ATTRIBUTEENUM)caption.GetPlacementType();
    191     if (iCapPlacement == XFA_ATTRIBUTEENUM_Top && GetPrev()) {
    192       m_rtCaption.Set(0, 0, 0, 0);
    193     } else if (iCapPlacement == XFA_ATTRIBUTEENUM_Bottom && GetNext()) {
    194       m_rtCaption.Set(0, 0, 0, 0);
    195     } else {
    196       fCapReserve = caption.GetReserve();
    197       CXFA_LayoutItem* pItem = this;
    198       if (pItem->GetPrev() == NULL && pItem->GetNext() == NULL) {
    199         m_rtCaption.Set(rtWidget.left, rtWidget.top, rtWidget.width,
    200                         rtWidget.height);
    201       } else {
    202         pItem = pItem->GetFirst();
    203         pItem->GetRect(m_rtCaption);
    204         pItem = pItem->GetNext();
    205         while (pItem) {
    206           CFX_RectF rtRect;
    207           pItem->GetRect(rtRect);
    208           m_rtCaption.height += rtRect.Height();
    209           pItem = pItem->GetNext();
    210         }
    211         XFA_RectWidthoutMargin(m_rtCaption, mgWidget);
    212       }
    213       CXFA_TextLayout* pCapTextLayout = m_pDataAcc->GetCaptionTextLayout();
    214       if (fCapReserve <= 0 && pCapTextLayout) {
    215         CFX_SizeF size;
    216         size.Set(0, 0);
    217         CFX_SizeF minSize;
    218         minSize.Set(0, 0);
    219         CFX_SizeF maxSize;
    220         maxSize.Set(0, 0);
    221         pCapTextLayout->CalcSize(minSize, maxSize, size);
    222         if (iCapPlacement == XFA_ATTRIBUTEENUM_Top ||
    223             iCapPlacement == XFA_ATTRIBUTEENUM_Bottom) {
    224           fCapReserve = size.y;
    225         } else {
    226           fCapReserve = size.x;
    227         }
    228       }
    229     }
    230   }
    231   m_rtUI = rtWidget;
    232   switch (iCapPlacement) {
    233     case XFA_ATTRIBUTEENUM_Left: {
    234       m_rtCaption.width = fCapReserve;
    235       CapLeftRightPlacement(caption, rtWidget, iCapPlacement);
    236       m_rtUI.width -= fCapReserve;
    237       m_rtUI.left += fCapReserve;
    238     } break;
    239     case XFA_ATTRIBUTEENUM_Top: {
    240       m_rtCaption.height = fCapReserve;
    241       CapTopBottomPlacement(caption, rtWidget, iCapPlacement);
    242       m_rtUI.top += fCapReserve;
    243       m_rtUI.height -= fCapReserve;
    244     } break;
    245     case XFA_ATTRIBUTEENUM_Right: {
    246       m_rtCaption.left = m_rtCaption.right() - fCapReserve;
    247       m_rtCaption.width = fCapReserve;
    248       CapLeftRightPlacement(caption, rtWidget, iCapPlacement);
    249       m_rtUI.width -= fCapReserve;
    250     } break;
    251     case XFA_ATTRIBUTEENUM_Bottom: {
    252       m_rtCaption.top = m_rtCaption.bottom() - fCapReserve;
    253       m_rtCaption.height = fCapReserve;
    254       CapTopBottomPlacement(caption, rtWidget, iCapPlacement);
    255       m_rtUI.height -= fCapReserve;
    256     } break;
    257     case XFA_ATTRIBUTEENUM_Inline:
    258       break;
    259     default:
    260       break;
    261   }
    262   CXFA_Border borderUI = m_pDataAcc->GetUIBorder();
    263   if (borderUI) {
    264     CXFA_Margin margin = borderUI.GetMargin();
    265     if (margin.IsExistInXML()) {
    266       XFA_RectWidthoutMargin(m_rtUI, margin);
    267     }
    268   }
    269   m_rtUI.Normalize();
    270 }
    271 void CXFA_FFField::CapTopBottomPlacement(CXFA_Caption caption,
    272                                          const CFX_RectF& rtWidget,
    273                                          int32_t iCapPlacement) {
    274   CFX_RectF rtUIMargin;
    275   m_pDataAcc->GetUIMargin(rtUIMargin);
    276   m_rtCaption.left += rtUIMargin.left;
    277   if (CXFA_Margin mgCap = caption.GetMargin()) {
    278     XFA_RectWidthoutMargin(m_rtCaption, mgCap);
    279     if (m_rtCaption.height < 0) {
    280       m_rtCaption.top += m_rtCaption.height;
    281     }
    282   }
    283   FX_FLOAT fWidth = rtUIMargin.left + rtUIMargin.width;
    284   FX_FLOAT fHeight = m_rtCaption.height + rtUIMargin.top + rtUIMargin.height;
    285   if (fWidth > rtWidget.width) {
    286     m_rtUI.width += fWidth - rtWidget.width;
    287   }
    288   if (fHeight == XFA_DEFAULTUI_HEIGHT && m_rtUI.height < XFA_MINUI_HEIGHT) {
    289     m_rtUI.height = XFA_MINUI_HEIGHT;
    290     m_rtCaption.top += rtUIMargin.top + rtUIMargin.height;
    291   } else if (fHeight > rtWidget.height) {
    292     m_rtUI.height += fHeight - rtWidget.height;
    293     if (iCapPlacement == XFA_ATTRIBUTEENUM_Bottom) {
    294       m_rtCaption.top += fHeight - rtWidget.height;
    295     }
    296   }
    297 }
    298 void CXFA_FFField::CapLeftRightPlacement(CXFA_Caption caption,
    299                                          const CFX_RectF& rtWidget,
    300                                          int32_t iCapPlacement) {
    301   CFX_RectF rtUIMargin;
    302   m_pDataAcc->GetUIMargin(rtUIMargin);
    303   m_rtCaption.top += rtUIMargin.top;
    304   m_rtCaption.height -= rtUIMargin.top;
    305   if (CXFA_Margin mgCap = caption.GetMargin()) {
    306     XFA_RectWidthoutMargin(m_rtCaption, mgCap);
    307     if (m_rtCaption.height < 0) {
    308       m_rtCaption.top += m_rtCaption.height;
    309     }
    310   }
    311   FX_FLOAT fWidth = m_rtCaption.width + rtUIMargin.left + rtUIMargin.width;
    312   FX_FLOAT fHeight = rtUIMargin.top + rtUIMargin.height;
    313   if (fWidth > rtWidget.width) {
    314     m_rtUI.width += fWidth - rtWidget.width;
    315     if (iCapPlacement == XFA_ATTRIBUTEENUM_Right) {
    316       m_rtCaption.left += fWidth - rtWidget.width;
    317     }
    318   }
    319   if (fHeight == XFA_DEFAULTUI_HEIGHT && m_rtUI.height < XFA_MINUI_HEIGHT) {
    320     m_rtUI.height = XFA_MINUI_HEIGHT;
    321     m_rtCaption.top += rtUIMargin.top + rtUIMargin.height;
    322   } else if (fHeight > rtWidget.height) {
    323     m_rtUI.height += fHeight - rtWidget.height;
    324   }
    325 }
    326 void CXFA_FFField::UpdateFWL() {
    327   if (m_pNormalWidget) {
    328     m_pNormalWidget->Update();
    329   }
    330 }
    331 FX_DWORD CXFA_FFField::UpdateUIProperty() {
    332   CXFA_Node* pUiNode = m_pDataAcc->GetUIChild();
    333   FX_DWORD dwStyle = 0;
    334   if (pUiNode && pUiNode->GetClassID() == XFA_ELEMENT_DefaultUi) {
    335     dwStyle = FWL_STYLEEXT_EDT_ReadOnly;
    336   }
    337   return dwStyle;
    338 }
    339 void CXFA_FFField::SetFWLRect() {
    340   if (!m_pNormalWidget) {
    341     return;
    342   }
    343   CFX_RectF rtUi = m_rtUI;
    344   if (rtUi.width < 1.0) {
    345     FXSYS_assert(rtUi.width < 1.0);
    346     rtUi.width = 1.0;
    347   }
    348   if (!m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
    349     FX_FLOAT fFontSize = m_pDataAcc->GetFontSize();
    350     if (rtUi.height < fFontSize) {
    351       rtUi.height = fFontSize;
    352     }
    353   }
    354   m_pNormalWidget->SetWidgetRect(rtUi);
    355 }
    356 FX_BOOL CXFA_FFField::OnMouseEnter() {
    357   if (!m_pNormalWidget) {
    358     return FALSE;
    359   }
    360   CFWL_MsgMouse ms;
    361   ms.m_dwCmd = FWL_MSGMOUSECMD_MouseEnter;
    362   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    363   ms.m_pSrcTarget = NULL;
    364   TranslateFWLMessage(&ms);
    365   return TRUE;
    366 }
    367 FX_BOOL CXFA_FFField::OnMouseExit() {
    368   if (!m_pNormalWidget) {
    369     return FALSE;
    370   }
    371   CFWL_MsgMouse ms;
    372   ms.m_dwCmd = FWL_MSGMOUSECMD_MouseLeave;
    373   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    374   TranslateFWLMessage(&ms);
    375   return TRUE;
    376 }
    377 void CXFA_FFField::FWLToClient(FX_FLOAT& fx, FX_FLOAT& fy) {
    378   if (!m_pNormalWidget) {
    379     return;
    380   }
    381   CFX_RectF rtWidget;
    382   m_pNormalWidget->GetWidgetRect(rtWidget);
    383   fx -= rtWidget.left;
    384   fy -= rtWidget.top;
    385 }
    386 FX_BOOL CXFA_FFField::OnLButtonDown(FX_DWORD dwFlags,
    387                                     FX_FLOAT fx,
    388                                     FX_FLOAT fy) {
    389   if (!m_pNormalWidget) {
    390     return FALSE;
    391   }
    392   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open ||
    393       !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
    394     return FALSE;
    395   }
    396   if (!PtInActiveRect(fx, fy)) {
    397     return FALSE;
    398   }
    399   SetButtonDown(TRUE);
    400   CFWL_MsgMouse ms;
    401   ms.m_dwCmd = FWL_MSGMOUSECMD_LButtonDown;
    402   ms.m_dwFlags = dwFlags;
    403   ms.m_fx = fx;
    404   ms.m_fy = fy;
    405   FWLToClient(ms.m_fx, ms.m_fy);
    406   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    407   TranslateFWLMessage(&ms);
    408   return TRUE;
    409 }
    410 FX_BOOL CXFA_FFField::OnLButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
    411   if (!m_pNormalWidget) {
    412     return FALSE;
    413   }
    414   if (!IsButtonDown()) {
    415     return FALSE;
    416   }
    417   SetButtonDown(FALSE);
    418   CFWL_MsgMouse ms;
    419   ms.m_dwCmd = FWL_MSGMOUSECMD_LButtonUp;
    420   ms.m_dwFlags = dwFlags;
    421   ms.m_fx = fx;
    422   ms.m_fy = fy;
    423   FWLToClient(ms.m_fx, ms.m_fy);
    424   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    425   TranslateFWLMessage(&ms);
    426   return TRUE;
    427 }
    428 FX_BOOL CXFA_FFField::OnLButtonDblClk(FX_DWORD dwFlags,
    429                                       FX_FLOAT fx,
    430                                       FX_FLOAT fy) {
    431   if (!m_pNormalWidget) {
    432     return FALSE;
    433   }
    434   CFWL_MsgMouse ms;
    435   ms.m_dwCmd = FWL_MSGMOUSECMD_LButtonDblClk;
    436   ms.m_dwFlags = dwFlags;
    437   ms.m_fx = fx;
    438   ms.m_fy = fy;
    439   FWLToClient(ms.m_fx, ms.m_fy);
    440   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    441   TranslateFWLMessage(&ms);
    442   return TRUE;
    443 }
    444 FX_BOOL CXFA_FFField::OnMouseMove(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
    445   if (!m_pNormalWidget) {
    446     return FALSE;
    447   }
    448   CFWL_MsgMouse ms;
    449   ms.m_dwCmd = FWL_MSGMOUSECMD_MouseMove;
    450   ms.m_dwFlags = dwFlags;
    451   ms.m_fx = fx;
    452   ms.m_fy = fy;
    453   FWLToClient(ms.m_fx, ms.m_fy);
    454   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    455   TranslateFWLMessage(&ms);
    456   return TRUE;
    457 }
    458 FX_BOOL CXFA_FFField::OnMouseWheel(FX_DWORD dwFlags,
    459                                    int16_t zDelta,
    460                                    FX_FLOAT fx,
    461                                    FX_FLOAT fy) {
    462   return FALSE;
    463   if (!m_pNormalWidget) {
    464     return FALSE;
    465   }
    466   CFWL_MsgMouseWheel ms;
    467   ms.m_dwFlags = dwFlags;
    468   ms.m_fx = fx;
    469   ms.m_fy = fy;
    470   FWLToClient(ms.m_fx, ms.m_fy);
    471   ms.m_fDeltaX = zDelta;
    472   ms.m_fDeltaY = 0;
    473   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    474   TranslateFWLMessage(&ms);
    475   return TRUE;
    476 }
    477 FX_BOOL CXFA_FFField::OnRButtonDown(FX_DWORD dwFlags,
    478                                     FX_FLOAT fx,
    479                                     FX_FLOAT fy) {
    480   if (!m_pNormalWidget) {
    481     return FALSE;
    482   }
    483   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open ||
    484       !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
    485     return FALSE;
    486   }
    487   if (!PtInActiveRect(fx, fy)) {
    488     return FALSE;
    489   }
    490   SetButtonDown(TRUE);
    491   CFWL_MsgMouse ms;
    492   ms.m_dwCmd = FWL_MSGMOUSECMD_RButtonDown;
    493   ms.m_dwFlags = dwFlags;
    494   ms.m_fx = fx;
    495   ms.m_fy = fy;
    496   FWLToClient(ms.m_fx, ms.m_fy);
    497   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    498   TranslateFWLMessage(&ms);
    499   return TRUE;
    500 }
    501 FX_BOOL CXFA_FFField::OnRButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
    502   if (!m_pNormalWidget) {
    503     return FALSE;
    504   }
    505   if (!IsButtonDown()) {
    506     return FALSE;
    507   }
    508   SetButtonDown(FALSE);
    509   CFWL_MsgMouse ms;
    510   ms.m_dwCmd = FWL_MSGMOUSECMD_RButtonUp;
    511   ms.m_dwFlags = dwFlags;
    512   ms.m_fx = fx;
    513   ms.m_fy = fy;
    514   FWLToClient(ms.m_fx, ms.m_fy);
    515   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    516   TranslateFWLMessage(&ms);
    517   return TRUE;
    518 }
    519 FX_BOOL CXFA_FFField::OnRButtonDblClk(FX_DWORD dwFlags,
    520                                       FX_FLOAT fx,
    521                                       FX_FLOAT fy) {
    522   if (!m_pNormalWidget) {
    523     return FALSE;
    524   }
    525   CFWL_MsgMouse ms;
    526   ms.m_dwCmd = FWL_MSGMOUSECMD_RButtonDblClk;
    527   ms.m_dwFlags = dwFlags;
    528   ms.m_fx = fx;
    529   ms.m_fy = fy;
    530   FWLToClient(ms.m_fx, ms.m_fy);
    531   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    532   TranslateFWLMessage(&ms);
    533   return TRUE;
    534 }
    535 
    536 FX_BOOL CXFA_FFField::OnSetFocus(CXFA_FFWidget* pOldWidget) {
    537   CXFA_FFWidget::OnSetFocus(pOldWidget);
    538   if (!m_pNormalWidget) {
    539     return FALSE;
    540   }
    541   CFWL_MsgSetFocus ms;
    542   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    543   ms.m_pSrcTarget = NULL;
    544   TranslateFWLMessage(&ms);
    545   m_dwStatus |= XFA_WIDGETSTATUS_Focused;
    546   AddInvalidateRect();
    547   return TRUE;
    548 }
    549 FX_BOOL CXFA_FFField::OnKillFocus(CXFA_FFWidget* pNewWidget) {
    550   if (!m_pNormalWidget) {
    551     return CXFA_FFWidget::OnKillFocus(pNewWidget);
    552   }
    553   CFWL_MsgKillFocus ms;
    554   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    555   ms.m_pSrcTarget = NULL;
    556   TranslateFWLMessage(&ms);
    557   m_dwStatus &= ~XFA_WIDGETSTATUS_Focused;
    558   AddInvalidateRect();
    559   CXFA_FFWidget::OnKillFocus(pNewWidget);
    560   return TRUE;
    561 }
    562 FX_BOOL CXFA_FFField::OnKeyDown(FX_DWORD dwKeyCode, FX_DWORD dwFlags) {
    563   if (!m_pNormalWidget || !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
    564     return FALSE;
    565   }
    566   CFWL_MsgKey ms;
    567   ms.m_dwCmd = FWL_MSGKEYCMD_KeyDown;
    568   ms.m_dwFlags = dwFlags;
    569   ms.m_dwKeyCode = dwKeyCode;
    570   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    571   ms.m_pSrcTarget = NULL;
    572   TranslateFWLMessage(&ms);
    573   return TRUE;
    574 }
    575 FX_BOOL CXFA_FFField::OnKeyUp(FX_DWORD dwKeyCode, FX_DWORD dwFlags) {
    576   if (!m_pNormalWidget || !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
    577     return FALSE;
    578   }
    579   CFWL_MsgKey ms;
    580   ms.m_dwCmd = FWL_MSGKEYCMD_KeyUp;
    581   ms.m_dwFlags = dwFlags;
    582   ms.m_dwKeyCode = dwKeyCode;
    583   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    584   ms.m_pSrcTarget = NULL;
    585   TranslateFWLMessage(&ms);
    586   return TRUE;
    587 }
    588 FX_BOOL CXFA_FFField::OnChar(FX_DWORD dwChar, FX_DWORD dwFlags) {
    589   if (!m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) {
    590     return FALSE;
    591   }
    592   if (dwChar == FWL_VKEY_Tab) {
    593     return TRUE;
    594   }
    595   if (!m_pNormalWidget) {
    596     return FALSE;
    597   }
    598   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open) {
    599     return FALSE;
    600   }
    601   CFWL_MsgKey ms;
    602   ms.m_dwCmd = FWL_MSGKEYCMD_Char;
    603   ms.m_dwFlags = dwFlags;
    604   ms.m_dwKeyCode = dwChar;
    605   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
    606   ms.m_pSrcTarget = NULL;
    607   TranslateFWLMessage(&ms);
    608   return TRUE;
    609 }
    610 FX_DWORD CXFA_FFField::OnHitTest(FX_FLOAT fx, FX_FLOAT fy) {
    611   if (m_pNormalWidget) {
    612     FX_FLOAT ffx = fx, ffy = fy;
    613     FWLToClient(ffx, ffy);
    614     FX_DWORD dwWidgetHit = m_pNormalWidget->HitTest(ffx, ffy);
    615     if (dwWidgetHit != FWL_WGTHITTEST_Unknown) {
    616       return FWL_WGTHITTEST_Client;
    617     }
    618   }
    619   CFX_RectF rtBox;
    620   GetRectWithoutRotate(rtBox);
    621   if (!rtBox.Contains(fx, fy)) {
    622     return FWL_WGTHITTEST_Unknown;
    623   }
    624   if (m_rtCaption.Contains(fx, fy)) {
    625     return FWL_WGTHITTEST_Titlebar;
    626   }
    627   return FWL_WGTHITTEST_Border;
    628 }
    629 FX_BOOL CXFA_FFField::OnSetCursor(FX_FLOAT fx, FX_FLOAT fy) {
    630   return TRUE;
    631 }
    632 FX_BOOL CXFA_FFField::PtInActiveRect(FX_FLOAT fx, FX_FLOAT fy) {
    633   if (!m_pNormalWidget) {
    634     return FALSE;
    635   }
    636   CFX_RectF rtWidget;
    637   m_pNormalWidget->GetWidgetRect(rtWidget);
    638   if (rtWidget.Contains(fx, fy)) {
    639     return TRUE;
    640   }
    641   return FALSE;
    642 }
    643 void CXFA_FFField::LayoutCaption() {
    644   CXFA_TextLayout* pCapTextLayout = m_pDataAcc->GetCaptionTextLayout();
    645   if (!pCapTextLayout) {
    646     return;
    647   }
    648   CFX_SizeF size;
    649   size.Set(m_rtCaption.width, m_rtCaption.height);
    650   FX_FLOAT fHeight = 0;
    651   pCapTextLayout->Layout(size, &fHeight);
    652   if (m_rtCaption.height < fHeight) {
    653     m_rtCaption.height = fHeight;
    654   }
    655 }
    656 void CXFA_FFField::RenderCaption(CFX_Graphics* pGS, CFX_Matrix* pMatrix) {
    657   CXFA_TextLayout* pCapTextLayout = m_pDataAcc->GetCaptionTextLayout();
    658   if (!pCapTextLayout) {
    659     return;
    660   }
    661   CXFA_Caption caption = m_pDataAcc->GetCaption();
    662   if (caption.IsExistInXML() &&
    663       caption.GetPresence() == XFA_ATTRIBUTEENUM_Visible) {
    664     if (!pCapTextLayout->IsLoaded()) {
    665       CFX_SizeF size;
    666       size.Set(m_rtCaption.width, m_rtCaption.height);
    667       pCapTextLayout->Layout(size);
    668     }
    669     CFX_RectF rtWidget;
    670     GetRectWithoutRotate(rtWidget);
    671     CFX_RectF rtClip = m_rtCaption;
    672     rtClip.Intersect(rtWidget);
    673     CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
    674     CFX_Matrix mt;
    675     mt.Set(1, 0, 0, 1, m_rtCaption.left, m_rtCaption.top);
    676     if (pMatrix) {
    677       pMatrix->TransformRect(rtClip);
    678       mt.Concat(*pMatrix);
    679     }
    680     pCapTextLayout->DrawString(pRenderDevice, mt, rtClip);
    681   }
    682 }
    683 FX_BOOL CXFA_FFField::ProcessCommittedData() {
    684   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open) {
    685     return FALSE;
    686   }
    687   if (!IsDataChanged()) {
    688     return FALSE;
    689   }
    690   if (CalculateOverride() != 1) {
    691     return FALSE;
    692   }
    693   if (!CommitData()) {
    694     return FALSE;
    695   }
    696   m_pDocView->SetChangeMark();
    697   m_pDocView->AddValidateWidget(m_pDataAcc);
    698   return TRUE;
    699 }
    700 int32_t CXFA_FFField::CalculateOverride() {
    701   CXFA_WidgetAcc* pAcc = m_pDataAcc->GetExclGroup();
    702   if (!pAcc) {
    703     return CalculateWidgetAcc(m_pDataAcc);
    704   }
    705   if (CalculateWidgetAcc(pAcc) == 0) {
    706     return 0;
    707   }
    708   CXFA_Node* pNode = pAcc->GetExclGroupFirstMember();
    709   if (!pNode) {
    710     return 1;
    711   }
    712   CXFA_WidgetAcc* pWidgetAcc = NULL;
    713   while (pNode) {
    714     pWidgetAcc = (CXFA_WidgetAcc*)pNode->GetWidgetData();
    715     if (!pWidgetAcc) {
    716       return 1;
    717     }
    718     if (CalculateWidgetAcc(pWidgetAcc) == 0) {
    719       return 0;
    720     }
    721     pNode = pWidgetAcc->GetExclGroupNextMember(pNode);
    722   }
    723   return 1;
    724 }
    725 int32_t CXFA_FFField::CalculateWidgetAcc(CXFA_WidgetAcc* pAcc) {
    726   CXFA_Calculate calc = pAcc->GetCalculate();
    727   if (!calc) {
    728     return 1;
    729   }
    730   XFA_VERSION version = pAcc->GetDoc()->GetXFADoc()->GetCurVersionMode();
    731   if (calc) {
    732     int32_t iOverride = calc.GetOverride();
    733     switch (iOverride) {
    734       case XFA_ATTRIBUTEENUM_Error: {
    735         if (version <= XFA_VERSION_204) {
    736           return 1;
    737         }
    738         IXFA_AppProvider* pAppProvider = GetApp()->GetAppProvider();
    739         if (pAppProvider) {
    740           CFX_WideString wsMessage;
    741           CFX_WideString wsWarning;
    742           pAppProvider->LoadString(XFA_IDS_NotModifyField, wsWarning);
    743           wsMessage += wsWarning;
    744           CFX_WideString wsTitle;
    745           pAppProvider->LoadString(XFA_IDS_CalcOverride, wsTitle);
    746           pAppProvider->MsgBox(wsMessage, wsTitle, XFA_MBICON_Warning,
    747                                XFA_MB_OK);
    748         }
    749       }
    750         return 0;
    751       case XFA_ATTRIBUTEENUM_Warning: {
    752         if (version <= XFA_VERSION_204) {
    753           CXFA_Script script = calc.GetScript();
    754           if (!script) {
    755             return 1;
    756           }
    757           CFX_WideString wsExpression;
    758           script.GetExpression(wsExpression);
    759           if (wsExpression.IsEmpty()) {
    760             return 1;
    761           }
    762         }
    763         if (pAcc->GetNode()->HasFlag(XFA_NODEFLAG_UserInteractive)) {
    764           return 1;
    765         }
    766         IXFA_AppProvider* pAppProvider = GetApp()->GetAppProvider();
    767         if (pAppProvider) {
    768           CFX_WideString wsMessage;
    769           calc.GetMessageText(wsMessage);
    770           if (!wsMessage.IsEmpty()) {
    771             wsMessage += L"\r\n";
    772           }
    773           CFX_WideString wsWarning;
    774           pAppProvider->LoadString(XFA_IDS_ModifyField, wsWarning);
    775           wsMessage += wsWarning;
    776           CFX_WideString wsTitle;
    777           pAppProvider->LoadString(XFA_IDS_CalcOverride, wsTitle);
    778           if (pAppProvider->MsgBox(wsMessage, wsTitle, XFA_MBICON_Warning,
    779                                    XFA_MB_YesNo) == XFA_IDYes) {
    780             pAcc->GetNode()->SetFlag(XFA_NODEFLAG_UserInteractive, TRUE, FALSE);
    781             return 1;
    782           }
    783         }
    784         return 0;
    785       }
    786       case XFA_ATTRIBUTEENUM_Ignore:
    787         return 0;
    788       case XFA_ATTRIBUTEENUM_Disabled:
    789         pAcc->GetNode()->SetFlag(XFA_NODEFLAG_UserInteractive, TRUE, FALSE);
    790       default:
    791         return 1;
    792     }
    793   }
    794   return 1;
    795 }
    796 FX_BOOL CXFA_FFField::CommitData() {
    797   return FALSE;
    798 }
    799 FX_BOOL CXFA_FFField::IsDataChanged() {
    800   return FALSE;
    801 }
    802 void CXFA_FFField::TranslateFWLMessage(CFWL_Message* pMessage) {
    803   GetApp()->GetWidgetMgrDelegate()->OnProcessMessageToForm(pMessage);
    804 }
    805 int32_t CXFA_FFField::OnProcessMessage(CFWL_Message* pMessage) {
    806   return FWL_ERR_Succeeded;
    807 }
    808 FWL_ERR CXFA_FFField::OnProcessEvent(CFWL_Event* pEvent) {
    809   FX_DWORD dwEventID = pEvent->GetClassID();
    810   switch (dwEventID) {
    811     case FWL_EVTHASH_Mouse: {
    812       CFWL_EvtMouse* event = (CFWL_EvtMouse*)pEvent;
    813       if (event->m_dwCmd == FWL_MSGMOUSECMD_MouseEnter) {
    814         CXFA_EventParam eParam;
    815         eParam.m_eType = XFA_EVENT_MouseEnter;
    816         eParam.m_pTarget = m_pDataAcc;
    817         m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_MouseEnter, &eParam);
    818       } else if (event->m_dwCmd == FWL_MSGMOUSECMD_MouseLeave) {
    819         CXFA_EventParam eParam;
    820         eParam.m_eType = XFA_EVENT_MouseExit;
    821         eParam.m_pTarget = m_pDataAcc;
    822         m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_MouseExit, &eParam);
    823       } else if (event->m_dwCmd == FWL_MSGMOUSECMD_LButtonDown) {
    824         CXFA_EventParam eParam;
    825         eParam.m_eType = XFA_EVENT_MouseDown;
    826         eParam.m_pTarget = m_pDataAcc;
    827         m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_MouseDown, &eParam);
    828       } else if (event->m_dwCmd == FWL_MSGMOUSECMD_LButtonUp) {
    829         CXFA_EventParam eParam;
    830         eParam.m_eType = XFA_EVENT_MouseUp;
    831         eParam.m_pTarget = m_pDataAcc;
    832         m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_MouseUp, &eParam);
    833       }
    834       break;
    835     }
    836     case FWL_EVTHASH_Click: {
    837       CXFA_EventParam eParam;
    838       eParam.m_eType = XFA_EVENT_Click;
    839       eParam.m_pTarget = m_pDataAcc;
    840       m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Click, &eParam);
    841       break;
    842     }
    843     default: {}
    844   }
    845   return FWL_ERR_Succeeded;
    846 }
    847 FWL_ERR CXFA_FFField::OnDrawWidget(CFX_Graphics* pGraphics,
    848                                    const CFX_Matrix* pMatrix) {
    849   return FWL_ERR_Succeeded;
    850 }
    851