Split fwl/core class pt I.

xfa/fwl/core/ifwl_combobox.cpp

 // 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 "xfa/fwl/core/ifwl_combobox.h"
 
 #include "third_party/base/ptr_util.h"
 #include "xfa/fde/cfde_txtedtengine.h"
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fwl/core/cfwl_evteditchanged.h"
 #include "xfa/fwl/core/cfwl_evtpostdropdown.h"
 #include "xfa/fwl/core/cfwl_evtpredropdown.h"
 #include "xfa/fwl/core/cfwl_evtselectchanged.h"
 #include "xfa/fwl/core/cfwl_evttextchanged.h"
 #include "xfa/fwl/core/cfwl_msgkey.h"
 #include "xfa/fwl/core/cfwl_msgkillfocus.h"
 #include "xfa/fwl/core/cfwl_msgmouse.h"
 #include "xfa/fwl/core/cfwl_msgsetfocus.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/cfwl_themetext.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/ifwl_app.h"
+#include "xfa/fwl/core/ifwl_combobox.h"
 #include "xfa/fwl/core/ifwl_formproxy.h"
+#include "xfa/fwl/core/ifwl_listbox.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 
 IFWL_ComboBox::IFWL_ComboBox(const IFWL_App* app,
                              std::unique_ptr<CFWL_WidgetProperties> properties)
     : IFWL_Widget(app, std::move(properties), nullptr),
       m_pComboBoxProxy(nullptr),
       m_bLButtonDown(false),
       m_iCurSel(-1),
       m_iBtnState(CFWL_PartState_Normal),
       m_fComboFormHandler(0) {
@@ skipping 129 matching lines @@
 
     CFWL_ThemeBackground param;
     param.m_pWidget = this;
     param.m_iPart = CFWL_Part::Background;
     param.m_pGraphics = pGraphics;
     if (pMatrix)
       param.m_matrix.Concat(*pMatrix);
     param.m_rtPart = rtTextBk;
 
     if (m_iCurSel >= 0) {
-      IFWL_ListBoxDP* pData =
-          static_cast<IFWL_ListBoxDP*>(m_pListBox->GetDataProvider());
+      IFWL_ListBox::DataProvider* pData =
+          static_cast<IFWL_ListBox::DataProvider*>(
+              m_pListBox->GetDataProvider());
       void* p = pData->GetItemData(m_pListBox.get(),
                                    pData->GetItem(m_pListBox.get(), m_iCurSel));
       if (p)
         param.m_pData = p;
     }
 
     if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
       param.m_dwStates = CFWL_PartState_Disabled;
     } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) &&
                (m_iCurSel >= 0)) {
       param.m_dwStates = CFWL_PartState_Selected;
     } else {
       param.m_dwStates = CFWL_PartState_Normal;
     }
     pTheme->DrawBackground(&param);
 
     if (m_iCurSel >= 0) {
       if (!m_pListBox)
         return;
 
       CFX_WideString wsText;
-      IFWL_ComboBoxDP* pData =
-          static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+      IFWL_ComboBox::DataProvider* pData =
+          static_cast<IFWL_ComboBox::DataProvider*>(
+              m_pProperties->m_pDataProvider);
       CFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel);
       m_pListBox->GetItemText(hItem, wsText);
 
       CFWL_ThemeText theme_text;
       theme_text.m_pWidget = this;
       theme_text.m_iPart = CFWL_Part::Caption;
       theme_text.m_dwStates = m_iBtnState;
       theme_text.m_pGraphics = pGraphics;
       theme_text.m_matrix.Concat(*pMatrix);
       theme_text.m_rtPart = rtTextBk;
@@ skipping 31 matching lines @@
 }
 
 void IFWL_ComboBox::SetCurSel(int32_t iSel) {
   int32_t iCount = m_pListBox->CountItems();
   bool bClearSel = iSel < 0 || iSel >= iCount;
   if (IsDropDownStyle() && m_pEdit) {
     if (bClearSel) {
       m_pEdit->SetText(CFX_WideString());
     } else {
       CFX_WideString wsText;
-      IFWL_ComboBoxDP* pData =
-          static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+      IFWL_ComboBox::DataProvider* pData =
+          static_cast<IFWL_ComboBox::DataProvider*>(
+              m_pProperties->m_pDataProvider);
       CFWL_ListItem* hItem = pData->GetItem(this, iSel);
       m_pListBox->GetItemText(hItem, wsText);
       m_pEdit->SetText(wsText);
     }
     m_pEdit->Update();
   }
   m_iCurSel = bClearSel ? -1 : iSel;
 }
 
 void IFWL_ComboBox::SetStates(uint32_t dwStates, bool bSet) {
@@ skipping 15 matching lines @@
 void IFWL_ComboBox::GetEditText(CFX_WideString& wsText,
                                 int32_t nStart,
                                 int32_t nCount) const {
   if (m_pEdit) {
     m_pEdit->GetText(wsText, nStart, nCount);
     return;
   }
   if (!m_pListBox)
     return;
 
-  IFWL_ComboBoxDP* pData =
-      static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+  IFWL_ComboBox::DataProvider* pData =
+      static_cast<IFWL_ComboBox::DataProvider*>(m_pProperties->m_pDataProvider);
   CFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel);
   m_pListBox->GetItemText(hItem, wsText);
 }
 
 void IFWL_ComboBox::OpenDropDownList(bool bActivate) {
   ShowDropList(bActivate);
 }
 
 void IFWL_ComboBox::GetBBox(CFX_RectF& rect) const {
   if (m_pWidgetMgr->IsFormDisabled()) {
@@ skipping 11 matching lines @@
   rect.Union(rtList);
 }
 
 void IFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded,
                                        uint32_t dwStylesExRemoved) {
   if (m_pEdit)
     m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
 }
 
 FX_FLOAT IFWL_ComboBox::GetListHeight() {
-  return static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider)
+  return static_cast<IFWL_ComboBox::DataProvider*>(
+             m_pProperties->m_pDataProvider)
       ->GetListHeight(this);
 }
 
 void IFWL_ComboBox::DrawStretchHandler(CFX_Graphics* pGraphics,
                                        const CFX_Matrix* pMatrix) {
   CFWL_ThemeBackground param;
   param.m_pGraphics = pGraphics;
   param.m_iPart = CFWL_Part::StretchHandler;
   param.m_dwStates = CFWL_PartState_Normal;
   param.m_pWidget = this;
@@ skipping 82 matching lines @@
     if (iMatch >= 0)
       SyncEditText(iMatch);
   } else if (iMatch >= 0) {
     m_pEdit->SetSelected();
   }
   m_iCurSel = iMatch;
 }
 
 void IFWL_ComboBox::SyncEditText(int32_t iListItem) {
   CFX_WideString wsText;
-  IFWL_ComboBoxDP* pData =
-      static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+  IFWL_ComboBox::DataProvider* pData =
+      static_cast<IFWL_ComboBox::DataProvider*>(m_pProperties->m_pDataProvider);
   CFWL_ListItem* hItem = pData->GetItem(this, iListItem);
   m_pListBox->GetItemText(hItem, wsText);
   m_pEdit->SetText(wsText);
   m_pEdit->Update();
   m_pEdit->SetSelected();
 }
 
 void IFWL_ComboBox::Layout() {
   if (m_pWidgetMgr->IsFormDisabled())
     return DisForm_Layout();
@@ skipping 10 matching lines @@
   if (!IsDropDownStyle() || !m_pEdit)
     return;
 
   CFX_RectF rtEdit;
   rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn,
              m_rtClient.height);
   m_pEdit->SetWidgetRect(rtEdit);
 
   if (m_iCurSel >= 0) {
     CFX_WideString wsText;
-    IFWL_ComboBoxDP* pData =
-        static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+    IFWL_ComboBox::DataProvider* pData =
+        static_cast<IFWL_ComboBox::DataProvider*>(
+            m_pProperties->m_pDataProvider);
     CFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel);
     m_pListBox->GetItemText(hItem, wsText);
     m_pEdit->LockUpdate();
     m_pEdit->SetText(wsText);
     m_pEdit->UnlockUpdate();
   }
   m_pEdit->Update();
 }
 
 void IFWL_ComboBox::ResetTheme() {
@@ skipping 64 matching lines @@
     }
     default: {
       dwAdd |= FWL_STYLEEXT_LTB_LeftAlign;
       break;
     }
   }
   m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask);
 }
 
 void IFWL_ComboBox::ProcessSelChanged(bool bLButtonUp) {
-  IFWL_ComboBoxDP* pDatas =
-      static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+  IFWL_ComboBox::DataProvider* pDatas =
+      static_cast<IFWL_ComboBox::DataProvider*>(m_pProperties->m_pDataProvider);
   m_iCurSel = pDatas->GetItemIndex(this, m_pListBox->GetSelItem(0));
   if (!IsDropDownStyle()) {
     Repaint(&m_rtClient);
     return;
   }
 
-  IFWL_ComboBoxDP* pData =
-      static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+  IFWL_ComboBox::DataProvider* pData =
+      static_cast<IFWL_ComboBox::DataProvider*>(m_pProperties->m_pDataProvider);
   CFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel);
   if (!hItem)
     return;
 
   CFX_WideString wsText;
   pData->GetItemText(this, hItem, wsText);
   if (m_pEdit) {
     m_pEdit->SetText(wsText);
     m_pEdit->Update();
     m_pEdit->SetSelected();
@@ skipping 219 matching lines @@
   if (!IsDropDownStyle() || !m_pEdit)
     return;
 
   CFX_RectF rtEdit;
   rtEdit.Set(m_rtContent.left, m_rtContent.top, m_rtContent.width - fBtn,
              m_rtContent.height);
   m_pEdit->SetWidgetRect(rtEdit);
 
   if (m_iCurSel >= 0) {
     CFX_WideString wsText;
-    IFWL_ComboBoxDP* pData =
-        static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+    IFWL_ComboBox::DataProvider* pData =
+        static_cast<IFWL_ComboBox::DataProvider*>(
+            m_pProperties->m_pDataProvider);
     CFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel);
     m_pListBox->GetItemText(hItem, wsText);
     m_pEdit->LockUpdate();
     m_pEdit->SetText(wsText);
     m_pEdit->UnlockUpdate();
   }
   m_pEdit->Update();
 }
 
 void IFWL_ComboBox::OnProcessMessage(CFWL_Message* pMessage) {
@@ skipping 163 matching lines @@
 
     bool bMatchEqual = false;
     int32_t iCurSel = m_iCurSel;
     bool bDropDown = IsDropDownStyle();
     if (bDropDown && m_pEdit) {
       CFX_WideString wsText;
       m_pEdit->GetText(wsText);
       iCurSel = m_pListBox->MatchItem(wsText);
       if (iCurSel >= 0) {
         CFX_WideString wsTemp;
-        IFWL_ComboBoxDP* pData =
-            static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+        IFWL_ComboBox::DataProvider* pData =
+            static_cast<IFWL_ComboBox::DataProvider*>(
+                m_pProperties->m_pDataProvider);
         CFWL_ListItem* hItem = pData->GetItem(this, iCurSel);
         m_pListBox->GetItemText(hItem, wsTemp);
         bMatchEqual = wsText == wsTemp;
       }
     }
     if (iCurSel < 0) {
       iCurSel = 0;
     } else if (!bDropDown || bMatchEqual) {
       if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1))
         return;
@@ skipping 138 matching lines @@
       else
         iCurSel++;
     }
     m_iCurSel = iCurSel;
     SyncEditText(m_iCurSel);
     return;
   }
   if (m_pEdit)
     m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
 }