| // 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/fwl_widgetmgrimp.h" |
| |
| #include "xfa/fwl/core/cfwl_message.h" |
| #include "xfa/fwl/core/fwl_appimp.h" |
| #include "xfa/fwl/core/fwl_noteimp.h" |
| #include "xfa/fwl/core/fwl_targetimp.h" |
| #include "xfa/fwl/core/fwl_threadimp.h" |
| #include "xfa/fwl/core/fwl_widgetimp.h" |
| #include "xfa/fwl/core/ifwl_adapternative.h" |
| #include "xfa/fwl/core/ifwl_adapterwidgetmgr.h" |
| #include "xfa/fwl/core/ifwl_app.h" |
| #include "xfa/fwl/core/ifwl_form.h" |
| |
| FX_BOOL FWL_UseOffscreen(IFWL_Widget* pWidget) { |
| #if (_FX_OS_ == _FX_MACOSX_) |
| return FALSE; |
| #else |
| return pWidget->GetStyles() & FWL_WGTSTYLE_Offscreen; |
| #endif |
| } |
| IFWL_WidgetMgr* FWL_GetWidgetMgr() { |
| IFWL_App* pApp = FWL_GetApp(); |
| if (!pApp) |
| return NULL; |
| return pApp->GetWidgetMgr(); |
| } |
| CFWL_WidgetMgr::CFWL_WidgetMgr(IFWL_AdapterNative* pAdapterNative) |
| : m_dwCapability(0) { |
| m_pDelegate = new CFWL_WidgetMgrDelegate(this); |
| m_pAdapter = pAdapterNative->GetWidgetMgr(m_pDelegate); |
| FXSYS_assert(m_pAdapter); |
| CFWL_WidgetMgrItem* pRoot = new CFWL_WidgetMgrItem; |
| m_mapWidgetItem.SetAt(NULL, pRoot); |
| #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) |
| m_rtScreen.Reset(); |
| #endif |
| } |
| CFWL_WidgetMgr::~CFWL_WidgetMgr() { |
| FX_POSITION ps = m_mapWidgetItem.GetStartPosition(); |
| while (ps) { |
| void* pWidget; |
| CFWL_WidgetMgrItem* pItem; |
| m_mapWidgetItem.GetNextAssoc(ps, pWidget, (void*&)pItem); |
| delete pItem; |
| } |
| m_mapWidgetItem.RemoveAll(); |
| if (m_pDelegate) { |
| delete m_pDelegate; |
| m_pDelegate = NULL; |
| } |
| } |
| int32_t CFWL_WidgetMgr::CountWidgets(IFWL_Widget* pParent) { |
| CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent); |
| return TravelWidgetMgr(pParentItem, NULL, NULL); |
| } |
| IFWL_Widget* CFWL_WidgetMgr::GetWidget(int32_t nIndex, IFWL_Widget* pParent) { |
| CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent); |
| IFWL_Widget* pWidget = NULL; |
| TravelWidgetMgr(pParentItem, &nIndex, NULL, &pWidget); |
| return pWidget; |
| } |
| IFWL_Widget* CFWL_WidgetMgr::GetWidget(IFWL_Widget* pWidget, |
| FWL_WGTRELATION eRelation) { |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| if (!pItem) { |
| return NULL; |
| } |
| IFWL_Widget* pRet = NULL; |
| switch (eRelation) { |
| case FWL_WGTRELATION_Parent: { |
| pRet = pItem->pParent ? pItem->pParent->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_Owner: { |
| pRet = pItem->pOwner ? pItem->pOwner->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_FirstSibling: { |
| pItem = pItem->pPrevious; |
| while (pItem && pItem->pPrevious) { |
| pItem = pItem->pPrevious; |
| } |
| pRet = pItem ? pItem->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_PriorSibling: { |
| pRet = pItem->pPrevious ? pItem->pPrevious->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_NextSibling: { |
| pRet = pItem->pNext ? pItem->pNext->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_LastSibling: { |
| pItem = pItem->pNext; |
| while (pItem && pItem->pNext) { |
| pItem = pItem->pNext; |
| } |
| pRet = pItem ? pItem->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_FirstChild: { |
| pRet = pItem->pChild ? pItem->pChild->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_LastChild: { |
| pItem = pItem->pChild; |
| while (pItem && pItem->pNext) { |
| pItem = pItem->pNext; |
| } |
| pRet = pItem ? pItem->pWidget : NULL; |
| break; |
| } |
| case FWL_WGTRELATION_SystemForm: { |
| while (pItem) { |
| if (IsAbleNative(pItem->pWidget)) { |
| pRet = pItem->pWidget; |
| break; |
| } |
| pItem = pItem->pParent; |
| } |
| break; |
| } |
| default: {} |
| } |
| return pRet; |
| } |
| int32_t CFWL_WidgetMgr::GetWidgetIndex(IFWL_Widget* pWidget) { |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| if (!pItem) |
| return -1; |
| return TravelWidgetMgr(pItem->pParent, NULL, pItem); |
| } |
| FX_BOOL CFWL_WidgetMgr::SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex) { |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| if (!pItem) |
| return FALSE; |
| if (!pItem->pParent) |
| return FALSE; |
| CFWL_WidgetMgrItem* pChild = pItem->pParent->pChild; |
| int32_t i = 0; |
| while (pChild) { |
| if (pChild == pItem) { |
| if (i == nIndex) { |
| return TRUE; |
| } |
| if (pChild->pPrevious) { |
| pChild->pPrevious->pNext = pChild->pNext; |
| } |
| if (pChild->pNext) { |
| pChild->pNext->pPrevious = pChild->pPrevious; |
| } |
| if (pItem->pParent->pChild == pItem) { |
| pItem->pParent->pChild = pItem->pNext; |
| } |
| pItem->pNext = NULL; |
| pItem->pPrevious = NULL; |
| break; |
| } |
| if (!pChild->pNext) { |
| break; |
| } |
| pChild = pChild->pNext; |
| ++i; |
| } |
| pChild = pItem->pParent->pChild; |
| if (pChild) { |
| if (nIndex < 0) { |
| while (pChild->pNext) { |
| pChild = pChild->pNext; |
| } |
| pChild->pNext = pItem; |
| pItem->pPrevious = pChild; |
| pItem->pNext = NULL; |
| return TRUE; |
| } |
| i = 0; |
| while (i < nIndex && pChild->pNext) { |
| pChild = pChild->pNext; |
| ++i; |
| } |
| if (!pChild->pNext) { |
| pChild->pNext = pItem; |
| pItem->pPrevious = pChild; |
| pItem->pNext = NULL; |
| return TRUE; |
| } |
| if (pChild->pPrevious) { |
| pItem->pPrevious = pChild->pPrevious; |
| pChild->pPrevious->pNext = pItem; |
| } |
| pChild->pPrevious = pItem; |
| pItem->pNext = pChild; |
| if (pItem->pParent->pChild == pChild) { |
| pItem->pParent->pChild = pItem; |
| } |
| } else { |
| pItem->pParent->pChild = pItem; |
| pItem->pPrevious = NULL; |
| pItem->pNext = NULL; |
| } |
| return TRUE; |
| } |
| FWL_ERR CFWL_WidgetMgr::RepaintWidget(IFWL_Widget* pWidget, |
| const CFX_RectF* pRect) { |
| if (!m_pAdapter) |
| return FWL_ERR_Indefinite; |
| IFWL_Widget* pNative = pWidget; |
| CFX_RectF rect(*pRect); |
| if (IsFormDisabled()) { |
| IFWL_Widget* pOuter = pWidget->GetOuter(); |
| while (pOuter) { |
| CFX_RectF rtTemp; |
| pNative->GetWidgetRect(rtTemp); |
| rect.left += rtTemp.left; |
| rect.top += rtTemp.top; |
| pNative = pOuter; |
| pOuter = pOuter->GetOuter(); |
| } |
| } else if (!IsAbleNative(pWidget)) { |
| pNative = GetWidget(pWidget, FWL_WGTRELATION_SystemForm); |
| if (!pNative) |
| return FWL_ERR_Indefinite; |
| pWidget->TransformTo(pNative, rect.left, rect.top); |
| } |
| AddRedrawCounts(pNative); |
| return m_pAdapter->RepaintWidget(pNative, &rect); |
| } |
| void CFWL_WidgetMgr::AddWidget(IFWL_Widget* pWidget) { |
| CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(NULL); |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| if (!pItem) { |
| pItem = new CFWL_WidgetMgrItem; |
| pItem->pWidget = pWidget; |
| m_mapWidgetItem.SetAt(pWidget, pItem); |
| } |
| if (pItem->pParent && pItem->pParent != pParentItem) { |
| if (pItem->pPrevious) { |
| pItem->pPrevious->pNext = pItem->pNext; |
| } |
| if (pItem->pNext) { |
| pItem->pNext->pPrevious = pItem->pPrevious; |
| } |
| if (pItem->pParent->pChild == pItem) { |
| pItem->pParent->pChild = pItem->pNext; |
| } |
| } |
| pItem->pParent = pParentItem; |
| SetWidgetIndex(pWidget, -1); |
| } |
| void CFWL_WidgetMgr::InsertWidget(IFWL_Widget* pParent, |
| IFWL_Widget* pChild, |
| int32_t nIndex) { |
| CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent); |
| if (!pParentItem) { |
| pParentItem = new CFWL_WidgetMgrItem; |
| pParentItem->pWidget = pParent; |
| m_mapWidgetItem.SetAt(pParent, pParentItem); |
| CFWL_WidgetMgrItem* pRoot = GetWidgetMgrItem(NULL); |
| pParentItem->pParent = pRoot; |
| SetWidgetIndex(pParent, -1); |
| } |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pChild); |
| if (!pItem) { |
| pItem = new CFWL_WidgetMgrItem; |
| pItem->pWidget = pChild; |
| m_mapWidgetItem.SetAt(pChild, pItem); |
| } |
| if (pItem->pParent && pItem->pParent != pParentItem) { |
| if (pItem->pPrevious) { |
| pItem->pPrevious->pNext = pItem->pNext; |
| } |
| if (pItem->pNext) { |
| pItem->pNext->pPrevious = pItem->pPrevious; |
| } |
| if (pItem->pParent->pChild == pItem) { |
| pItem->pParent->pChild = pItem->pNext; |
| } |
| } |
| pItem->pParent = pParentItem; |
| SetWidgetIndex(pChild, nIndex); |
| } |
| void CFWL_WidgetMgr::RemoveWidget(IFWL_Widget* pWidget) { |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| if (!pItem) { |
| return; |
| } |
| if (pItem->pPrevious) { |
| pItem->pPrevious->pNext = pItem->pNext; |
| } |
| if (pItem->pNext) { |
| pItem->pNext->pPrevious = pItem->pPrevious; |
| } |
| if (pItem->pParent && pItem->pParent->pChild == pItem) { |
| pItem->pParent->pChild = pItem->pNext; |
| } |
| CFWL_WidgetMgrItem* pChild = pItem->pChild; |
| while (pChild) { |
| CFWL_WidgetMgrItem* pNext = pChild->pNext; |
| RemoveWidget(pChild->pWidget); |
| pChild = pNext; |
| } |
| m_mapWidgetItem.RemoveKey(pWidget); |
| delete pItem; |
| } |
| void CFWL_WidgetMgr::SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned) { |
| CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pOwner); |
| if (!pParentItem) { |
| pParentItem = new CFWL_WidgetMgrItem; |
| pParentItem->pWidget = pOwner; |
| m_mapWidgetItem.SetAt(pOwner, pParentItem); |
| CFWL_WidgetMgrItem* pRoot = GetWidgetMgrItem(NULL); |
| pParentItem->pParent = pRoot; |
| SetWidgetIndex(pOwner, -1); |
| } |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pOwned); |
| if (!pItem) { |
| pItem = new CFWL_WidgetMgrItem; |
| pItem->pWidget = pOwned; |
| m_mapWidgetItem.SetAt(pOwned, pItem); |
| } |
| pItem->pOwner = pParentItem; |
| } |
| void CFWL_WidgetMgr::SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild) { |
| CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent); |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pChild); |
| if (!pItem) |
| return; |
| if (pItem->pParent && pItem->pParent != pParentItem) { |
| if (pItem->pPrevious) { |
| pItem->pPrevious->pNext = pItem->pNext; |
| } |
| if (pItem->pNext) { |
| pItem->pNext->pPrevious = pItem->pPrevious; |
| } |
| if (pItem->pParent->pChild == pItem) { |
| pItem->pParent->pChild = pItem->pNext; |
| } |
| pItem->pNext = NULL; |
| pItem->pPrevious = NULL; |
| } |
| pItem->pParent = pParentItem; |
| SetWidgetIndex(pChild, -1); |
| if (!m_pAdapter) |
| return; |
| m_pAdapter->SetParentWidget(pChild, pParent); |
| } |
| FX_BOOL CFWL_WidgetMgr::IsChild(IFWL_Widget* pChild, IFWL_Widget* pParent) { |
| IFWL_Widget* pTemp = pChild; |
| do { |
| if (pTemp == pParent) { |
| return TRUE; |
| } |
| pTemp = GetWidget(pTemp, FWL_WGTRELATION_Parent); |
| } while (pTemp); |
| return FALSE; |
| } |
| FWL_ERR CFWL_WidgetMgr::CreateWidget_Native(IFWL_Widget* pWidget) { |
| if (!IsAbleNative(pWidget)) { |
| return FWL_ERR_Succeeded; |
| } |
| return m_pAdapter->CreateWidget(pWidget, pWidget->GetOwner()); |
| } |
| FWL_ERR CFWL_WidgetMgr::DestroyWidget_Native(IFWL_Widget* pWidget) { |
| if (!IsAbleNative(pWidget)) { |
| return FWL_ERR_Succeeded; |
| } |
| return m_pAdapter->DestroyWidget(pWidget); |
| } |
| FWL_ERR CFWL_WidgetMgr::GetWidgetRect_Native(IFWL_Widget* pWidget, |
| CFX_RectF& rect) { |
| if (!IsAbleNative(pWidget)) { |
| return FWL_ERR_Succeeded; |
| } |
| return m_pAdapter->GetWidgetRect(pWidget, rect); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetWidgetRect_Native(IFWL_Widget* pWidget, |
| const CFX_RectF& rect) { |
| if (FWL_UseOffscreen(pWidget)) { |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| pItem->iRedrawCounter++; |
| if (pItem->pOffscreen) { |
| CFX_RenderDevice* pDevice = pItem->pOffscreen->GetRenderDevice(); |
| if (pDevice && pDevice->GetBitmap()) { |
| CFX_DIBitmap* pBitmap = pDevice->GetBitmap(); |
| if (pBitmap->GetWidth() - rect.width > 1 || |
| pBitmap->GetHeight() - rect.height > 1) { |
| delete pItem->pOffscreen; |
| pItem->pOffscreen = NULL; |
| } |
| } |
| } |
| #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) |
| pItem->bOutsideChanged = !m_rtScreen.Contains(rect); |
| #endif |
| } |
| return m_pAdapter->SetWidgetRect(pWidget, rect); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetWidgetPosition_Native(IFWL_Widget* pWidget, |
| FX_FLOAT fx, |
| FX_FLOAT fy) { |
| return m_pAdapter->SetWidgetPosition(pWidget, fx, fy); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetWidgetIcon_Native(IFWL_Widget* pWidget, |
| const CFX_DIBitmap* pIcon, |
| FX_BOOL bBig) { |
| return m_pAdapter->SetWidgetIcon(pWidget, pIcon, bBig); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetWidgetCaption_Native( |
| IFWL_Widget* pWidget, |
| const CFX_WideStringC& wsCaption) { |
| return m_pAdapter->SetWidgetCaption(pWidget, wsCaption); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetBorderRegion_Native(IFWL_Widget* pWidget, |
| CFX_Path* pPath) { |
| return m_pAdapter->SetBorderRegion(pWidget, pPath); |
| } |
| FWL_ERR CFWL_WidgetMgr::ShowWidget_Native(IFWL_Widget* pWidget) { |
| return m_pAdapter->ShowWidget(pWidget); |
| } |
| FWL_ERR CFWL_WidgetMgr::HideWidget_Native(IFWL_Widget* pWidget) { |
| return m_pAdapter->HideWidget(pWidget); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetNormal_Native(IFWL_Widget* pWidget) { |
| return m_pAdapter->SetNormal(pWidget); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetMaximize_Native(IFWL_Widget* pWidget) { |
| return m_pAdapter->SetMaximize(pWidget); |
| } |
| FWL_ERR CFWL_WidgetMgr::SetMinimize_Native(IFWL_Widget* pWidget) { |
| return m_pAdapter->SetMinimize(pWidget); |
| } |
| FX_BOOL CFWL_WidgetMgr::CheckMessage_Native() { |
| return m_pAdapter->CheckMessage(); |
| } |
| FWL_ERR CFWL_WidgetMgr::DispatchMessage_Native() { |
| return m_pAdapter->DispatchMessage(); |
| } |
| FX_BOOL CFWL_WidgetMgr::IsIdleMessage_Native() { |
| return m_pAdapter->IsIdleMessage(); |
| } |
| FWL_ERR CFWL_WidgetMgr::Exit_Native(int32_t iExitCode) { |
| return m_pAdapter->Exit(iExitCode); |
| } |
| FWL_ERR CFWL_WidgetMgr::CreateWidgetWithNativeId_Native(IFWL_Widget* pWidget, |
| void* vp) { |
| return m_pAdapter->CreateWidgetWithNativeId(pWidget, vp); |
| } |
| IFWL_Widget* CFWL_WidgetMgr::GetWidgetAtPoint(IFWL_Widget* parent, |
| FX_FLOAT x, |
| FX_FLOAT y) { |
| if (!parent) |
| return NULL; |
| FX_FLOAT x1; |
| FX_FLOAT y1; |
| IFWL_Widget* child = GetWidget(parent, FWL_WGTRELATION_LastChild); |
| while (child) { |
| if ((child->GetStates() & FWL_WGTSTATE_Invisible) == 0) { |
| x1 = x; |
| y1 = y; |
| CFX_Matrix matrixOnParent; |
| child->GetMatrix(matrixOnParent); |
| CFX_Matrix m; |
| m.SetIdentity(); |
| m.SetReverse(matrixOnParent); |
| m.TransformPoint(x1, y1); |
| CFX_RectF bounds; |
| child->GetWidgetRect(bounds); |
| if (bounds.Contains(x1, y1)) { |
| x1 -= bounds.left; |
| y1 -= bounds.top; |
| return GetWidgetAtPoint(child, x1, y1); |
| } |
| } |
| child = GetWidget(child, FWL_WGTRELATION_PriorSibling); |
| } |
| return parent; |
| } |
| void CFWL_WidgetMgr::NotifySizeChanged(IFWL_Widget* pForm, |
| FX_FLOAT fx, |
| FX_FLOAT fy) { |
| if (!FWL_UseOffscreen(pForm)) { |
| return; |
| } |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pForm); |
| if (pItem->pOffscreen) { |
| delete pItem->pOffscreen; |
| pItem->pOffscreen = NULL; |
| } |
| } |
| IFWL_Widget* CFWL_WidgetMgr::nextTab(IFWL_Widget* parent, |
| IFWL_Widget* focus, |
| FX_BOOL& bFind) { |
| IFWL_Widget* child = |
| FWL_GetWidgetMgr()->GetWidget(parent, FWL_WGTRELATION_FirstChild); |
| while (child) { |
| if (focus == child) { |
| bFind = TRUE; |
| } |
| if ((child->GetStyles() & FWL_WGTSTYLE_TabStop) && |
| (!focus || (focus != child && bFind))) { |
| return child; |
| } |
| IFWL_Widget* bRet = nextTab(child, focus, bFind); |
| if (bRet) { |
| return bRet; |
| } |
| child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling); |
| } |
| return NULL; |
| } |
| int32_t CFWL_WidgetMgr::CountRadioButtonGroup(IFWL_Widget* pFirst) { |
| int32_t iRet = 0; |
| IFWL_Widget* pChild = pFirst; |
| while (pChild) { |
| if ((pChild->GetStyles() & FWL_WGTSTYLE_Group) && |
| pChild->GetClassID() == 3811304691) { |
| iRet++; |
| } |
| pChild = GetWidget(pChild, FWL_WGTRELATION_NextSibling); |
| } |
| return iRet; |
| } |
| IFWL_Widget* CFWL_WidgetMgr::GetSiblingRadioButton(IFWL_Widget* pWidget, |
| FX_BOOL bNext) { |
| while ((pWidget = GetWidget(pWidget, bNext ? FWL_WGTRELATION_NextSibling |
| : FWL_WGTRELATION_PriorSibling)) != |
| NULL) { |
| if (pWidget->GetClassID() == 3811304691) { |
| return pWidget; |
| } |
| } |
| return NULL; |
| } |
| IFWL_Widget* CFWL_WidgetMgr::GetRadioButtonGroupHeader( |
| IFWL_Widget* pRadioButton) { |
| if (pRadioButton->GetStyles() & FWL_WGTSTYLE_Group) { |
| return pRadioButton; |
| } |
| IFWL_Widget* pNext = pRadioButton; |
| while ((pNext = GetSiblingRadioButton(pNext, FALSE)) != NULL) { |
| if (pNext->GetStyles() & FWL_WGTSTYLE_Group) { |
| return pNext; |
| } |
| } |
| pNext = GetWidget(pRadioButton, FWL_WGTRELATION_LastSibling); |
| if ((pNext->GetStyles() & FWL_WGTSTYLE_Group) && |
| pNext->GetClassID() == 3811304691) { |
| return pNext; |
| } |
| while ((pNext = GetSiblingRadioButton(pNext, FALSE)) && pNext && |
| pNext != pRadioButton) { |
| if (pNext->GetStyles() & FWL_WGTSTYLE_Group) { |
| return pNext; |
| } |
| } |
| pNext = GetWidget(pRadioButton, FWL_WGTRELATION_FirstSibling); |
| if (pNext && (pNext->GetStyles() == FWL_WGTSTYLE_Group) && |
| pNext->GetClassID() == 3811304691) { |
| return pNext; |
| } |
| return GetSiblingRadioButton(pNext, TRUE); |
| } |
| void CFWL_WidgetMgr::GetSameGroupRadioButton(IFWL_Widget* pRadioButton, |
| CFX_PtrArray& group) { |
| IFWL_Widget* pFirst = GetWidget(pRadioButton, FWL_WGTRELATION_FirstSibling); |
| if (!pFirst) { |
| pFirst = pRadioButton; |
| } |
| int32_t iGroup = CountRadioButtonGroup(pFirst); |
| if (iGroup < 2) { |
| if (pFirst->GetClassID() == 3811304691) { |
| group.Add(pFirst); |
| } |
| IFWL_Widget* pNext = pFirst; |
| while ((pNext = GetSiblingRadioButton(pNext, TRUE)) != NULL) { |
| group.Add(pNext); |
| } |
| return; |
| } |
| IFWL_Widget* pNext = GetRadioButtonGroupHeader(pRadioButton); |
| do { |
| group.Add(pNext); |
| pNext = GetSiblingRadioButton(pNext, TRUE); |
| if (!pNext) { |
| if (pFirst->GetClassID() == 3811304691) { |
| pNext = pFirst; |
| } else { |
| pNext = GetSiblingRadioButton(pFirst, TRUE); |
| } |
| } |
| } while (pNext && ((pNext->GetStyles() & FWL_WGTSTYLE_Group) == 0)); |
| } |
| IFWL_Widget* CFWL_WidgetMgr::GetDefaultButton(IFWL_Widget* pParent) { |
| if ((pParent->GetClassID() == 3521614244) && |
| (pParent->GetStates() & (1 << (FWL_WGTSTATE_MAX + 2)))) { |
| return pParent; |
| } |
| IFWL_Widget* child = |
| FWL_GetWidgetMgr()->GetWidget(pParent, FWL_WGTRELATION_FirstChild); |
| while (child) { |
| if ((child->GetClassID() == 3521614244) && |
| (child->GetStates() & (1 << (FWL_WGTSTATE_MAX + 2)))) { |
| return child; |
| } |
| IFWL_Widget* find = GetDefaultButton(child); |
| if (find) { |
| return find; |
| } |
| child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling); |
| } |
| return NULL; |
| } |
| void CFWL_WidgetMgr::AddRedrawCounts(IFWL_Widget* pWidget) { |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| (pItem->iRedrawCounter)++; |
| } |
| void CFWL_WidgetMgr::ResetRedrawCounts(IFWL_Widget* pWidget) { |
| CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget); |
| pItem->iRedrawCounter = 0; |
| } |
| CFWL_WidgetMgrItem* CFWL_WidgetMgr::GetWidgetMgrItem(IFWL_Widget* pWidget) { |
| return static_cast<CFWL_WidgetMgrItem*>(m_mapWidgetItem.GetValueAt(pWidget)); |
| } |
| int32_t CFWL_WidgetMgr::TravelWidgetMgr(CFWL_WidgetMgrItem* pParent, |
| int32_t* pIndex, |
| CFWL_WidgetMgrItem* pItem, |
| IFWL_Widget** pWidget) { |
| if (!pParent) { |
| return 0; |
| } |
| int32_t iCount = 0; |
| CFWL_WidgetMgrItem* pChild = pParent->pChild; |
| while (pChild) { |
| iCount++; |
| if (pIndex) { |
| if (*pIndex == 0) { |
| *pWidget = pChild->pWidget; |
| return iCount; |
| } |
| pIndex--; |
| } |
| if (pItem && pItem == pChild) { |
| return iCount - 1; |
| } |
| pChild = pChild->pNext; |
| } |
| if (pIndex) { |
| return 0; |
| } else if (pItem) { |
| return -1; |
| } |
| return iCount - 1; |
| } |
| FX_BOOL CFWL_WidgetMgr::IsAbleNative(IFWL_Widget* pWidget) { |
| if (!pWidget) |
| return FALSE; |
| if (!pWidget->IsInstance(FX_WSTRC(FWL_CLASS_Form))) { |
| return FALSE; |
| } |
| uint32_t dwStyles = pWidget->GetStyles(); |
| return ((dwStyles & FWL_WGTSTYLE_WindowTypeMask) == |
| FWL_WGTSTYLE_OverLapper) || |
| (dwStyles & FWL_WGTSTYLE_Popup); |
| } |
| FX_BOOL CFWL_WidgetMgr::IsThreadEnabled() { |
| return !(m_dwCapability & FWL_WGTMGR_DisableThread); |
| } |
| FX_BOOL CFWL_WidgetMgr::IsFormDisabled() { |
| return m_dwCapability & FWL_WGTMGR_DisableForm; |
| } |
| FX_BOOL CFWL_WidgetMgr::GetAdapterPopupPos(IFWL_Widget* pWidget, |
| FX_FLOAT fMinHeight, |
| FX_FLOAT fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF& rtPopup) { |
| IFWL_AdapterWidgetMgr* pSDApapter = GetAdapterWidgetMgr(); |
| return pSDApapter->GetPopupPos(pWidget, fMinHeight, fMaxHeight, rtAnchor, |
| rtPopup); |
| } |
| CFWL_WidgetMgrDelegate::CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr) |
| : m_pWidgetMgr(pWidgetMgr) {} |
| FWL_ERR CFWL_WidgetMgrDelegate::OnSetCapability(uint32_t dwCapability) { |
| m_pWidgetMgr->m_dwCapability = dwCapability; |
| return FWL_ERR_Succeeded; |
| } |
| int32_t CFWL_WidgetMgrDelegate::OnProcessMessageToForm(CFWL_Message* pMessage) { |
| if (!pMessage) |
| return 0; |
| if (!pMessage->m_pDstTarget) |
| return 0; |
| IFWL_Widget* pDstWidget = pMessage->m_pDstTarget; |
| IFWL_NoteThread* pNoteThread = pDstWidget->GetOwnerThread(); |
| if (!pNoteThread) |
| return 0; |
| CFWL_NoteDriver* pNoteDriver = |
| static_cast<CFWL_NoteDriver*>(pNoteThread->GetNoteDriver()); |
| if (!pNoteDriver) |
| return 0; |
| if (m_pWidgetMgr->IsThreadEnabled()) { |
| pMessage = static_cast<CFWL_Message*>(pMessage->Clone()); |
| } |
| if (m_pWidgetMgr->IsFormDisabled()) { |
| pNoteDriver->ProcessMessage(pMessage); |
| } else { |
| pNoteDriver->QueueMessage(pMessage); |
| } |
| #if (_FX_OS_ == _FX_MACOSX_) |
| CFWL_NoteLoop* pTopLoop = pNoteDriver->GetTopLoop(); |
| if (pTopLoop) { |
| pNoteDriver->UnqueueMessage(pTopLoop); |
| } |
| #endif |
| if (m_pWidgetMgr->IsThreadEnabled()) { |
| pMessage->Release(); |
| } |
| return FWL_ERR_Succeeded; |
| } |
| FWL_ERR CFWL_WidgetMgrDelegate::OnDrawWidget(IFWL_Widget* pWidget, |
| CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| if (!pWidget) |
| return FWL_ERR_Indefinite; |
| if (!pGraphics) |
| return FWL_ERR_Indefinite; |
| CFX_Graphics* pTemp = DrawWidgetBefore(pWidget, pGraphics, pMatrix); |
| CFX_RectF clipCopy; |
| pWidget->GetWidgetRect(clipCopy); |
| clipCopy.left = clipCopy.top = 0; |
| if (bUseOffscreenDirect(pWidget)) { |
| DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix); |
| return FWL_ERR_Succeeded; |
| } |
| CFX_RectF clipBounds; |
| #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) || \ |
| (_FX_OS_ == _FX_LINUX_DESKTOP_) || (_FX_OS_ == _FX_ANDROID_) |
| IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(NULL); |
| pDelegate->OnDrawWidget(pTemp, pMatrix); |
| pGraphics->GetClipRect(clipBounds); |
| clipCopy = clipBounds; |
| #elif(_FX_OS_ == _FX_MACOSX_) |
| if (m_pWidgetMgr->IsFormDisabled()) { |
| IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(NULL); |
| pDelegate->OnDrawWidget(pTemp, pMatrix); |
| pGraphics->GetClipRect(clipBounds); |
| clipCopy = clipBounds; |
| } else { |
| clipBounds.Set(pMatrix->a, pMatrix->b, pMatrix->c, pMatrix->d); |
| const_cast<CFX_Matrix*>(pMatrix)->SetIdentity(); // FIXME: const cast. |
| #ifdef FWL_UseMacSystemBorder |
| #else |
| #endif |
| { |
| IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(NULL); |
| pDelegate->OnDrawWidget(pTemp, pMatrix); |
| } |
| } |
| #endif |
| if (!m_pWidgetMgr->IsFormDisabled()) { |
| CFX_RectF rtClient; |
| pWidget->GetClientRect(rtClient); |
| clipBounds.Intersect(rtClient); |
| } |
| if (!clipBounds.IsEmpty()) { |
| DrawChild(pWidget, clipBounds, pTemp, pMatrix); |
| } |
| DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix); |
| m_pWidgetMgr->ResetRedrawCounts(pWidget); |
| return FWL_ERR_Succeeded; |
| } |
| void CFWL_WidgetMgrDelegate::DrawChild(IFWL_Widget* parent, |
| const CFX_RectF& rtClip, |
| CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| if (!parent) |
| return; |
| FX_BOOL bFormDisable = m_pWidgetMgr->IsFormDisabled(); |
| IFWL_Widget* pNextChild = |
| m_pWidgetMgr->GetWidget(parent, FWL_WGTRELATION_FirstChild); |
| while (pNextChild) { |
| IFWL_Widget* child = pNextChild; |
| pNextChild = m_pWidgetMgr->GetWidget(child, FWL_WGTRELATION_NextSibling); |
| if (child->GetStates() & FWL_WGTSTATE_Invisible) { |
| continue; |
| } |
| CFX_RectF rtWidget; |
| child->GetWidgetRect(rtWidget); |
| if (rtWidget.IsEmpty()) { |
| continue; |
| } |
| CFX_Matrix widgetMatrix; |
| CFX_RectF clipBounds(rtWidget); |
| if (!bFormDisable) { |
| child->GetMatrix(widgetMatrix, TRUE); |
| } |
| if (pMatrix) { |
| widgetMatrix.Concat(*pMatrix); |
| } |
| if (!bFormDisable) { |
| widgetMatrix.TransformPoint(clipBounds.left, clipBounds.top); |
| clipBounds.Intersect(rtClip); |
| if (clipBounds.IsEmpty()) { |
| continue; |
| } |
| pGraphics->SaveGraphState(); |
| pGraphics->SetClipRect(clipBounds); |
| } |
| widgetMatrix.Translate(rtWidget.left, rtWidget.top, TRUE); |
| IFWL_WidgetDelegate* pDelegate = child->SetDelegate(NULL); |
| if (pDelegate) { |
| if (m_pWidgetMgr->IsFormDisabled() || |
| IsNeedRepaint(child, &widgetMatrix, rtClip)) { |
| pDelegate->OnDrawWidget(pGraphics, &widgetMatrix); |
| } |
| } |
| if (!bFormDisable) { |
| pGraphics->RestoreGraphState(); |
| } |
| DrawChild(child, clipBounds, pGraphics, |
| bFormDisable ? &widgetMatrix : pMatrix); |
| child = m_pWidgetMgr->GetWidget(child, FWL_WGTRELATION_NextSibling); |
| } |
| } |
| CFX_Graphics* CFWL_WidgetMgrDelegate::DrawWidgetBefore( |
| IFWL_Widget* pWidget, |
| CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| if (!FWL_UseOffscreen(pWidget)) { |
| return pGraphics; |
| } |
| CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget); |
| if (!pItem->pOffscreen) { |
| pItem->pOffscreen = new CFX_Graphics; |
| CFX_RectF rect; |
| pWidget->GetWidgetRect(rect); |
| pItem->pOffscreen->Create((int32_t)rect.width, (int32_t)rect.height, |
| FXDIB_Argb); |
| } |
| CFX_RectF rect; |
| pGraphics->GetClipRect(rect); |
| pItem->pOffscreen->SetClipRect(rect); |
| return pItem->pOffscreen; |
| } |
| void CFWL_WidgetMgrDelegate::DrawWidgetAfter(IFWL_Widget* pWidget, |
| CFX_Graphics* pGraphics, |
| CFX_RectF& rtClip, |
| const CFX_Matrix* pMatrix) { |
| if (FWL_UseOffscreen(pWidget)) { |
| CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget); |
| pGraphics->Transfer(pItem->pOffscreen, rtClip.left, rtClip.top, rtClip, |
| pMatrix); |
| #ifdef _WIN32 |
| pItem->pOffscreen->ClearClip(); |
| #endif |
| } |
| CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget); |
| pItem->iRedrawCounter = 0; |
| } |
| |
| #define FWL_NEEDREPAINTHIT_Point 12 |
| #define FWL_NEEDREPAINTHIT_Piece 3 |
| struct FWL_NEEDREPAINTHITDATA { |
| CFX_PointF hitPoint; |
| FX_BOOL bNotNeedRepaint; |
| FX_BOOL bNotContainByDirty; |
| }; |
| |
| FX_BOOL CFWL_WidgetMgrDelegate::IsNeedRepaint(IFWL_Widget* pWidget, |
| CFX_Matrix* pMatrix, |
| const CFX_RectF& rtDirty) { |
| CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget); |
| if (pItem && pItem->iRedrawCounter > 0) { |
| pItem->iRedrawCounter = 0; |
| return TRUE; |
| } |
| CFX_RectF rtWidget; |
| pWidget->GetWidgetRect(rtWidget); |
| rtWidget.left = rtWidget.top = 0; |
| pMatrix->TransformRect(rtWidget); |
| if (!rtWidget.IntersectWith(rtDirty)) { |
| return FALSE; |
| } |
| IFWL_Widget* pChild = |
| FWL_GetWidgetMgr()->GetWidget(pWidget, FWL_WGTRELATION_FirstChild); |
| if (!pChild) { |
| return TRUE; |
| } |
| if (pChild->GetClassID() == 3150298670) { |
| CFX_RectF rtTemp; |
| pChild->GetWidgetRect(rtTemp); |
| if (rtTemp.width >= rtWidget.width && rtTemp.height >= rtWidget.height) { |
| pChild = |
| FWL_GetWidgetMgr()->GetWidget(pChild, FWL_WGTRELATION_FirstChild); |
| if (!pChild) { |
| return TRUE; |
| } |
| } |
| } |
| CFX_RectF rtChilds; |
| rtChilds.Empty(); |
| FX_BOOL bChildIntersectWithDirty = FALSE; |
| FX_BOOL bOrginPtIntersectWidthChild = FALSE; |
| FX_BOOL bOrginPtIntersectWidthDirty = |
| rtDirty.Contains(rtWidget.left, rtWidget.top); |
| static FWL_NEEDREPAINTHITDATA hitPoint[FWL_NEEDREPAINTHIT_Point]; |
| int32_t iSize = sizeof(FWL_NEEDREPAINTHITDATA); |
| FXSYS_memset(hitPoint, 0, iSize); |
| FX_FLOAT fxPiece = rtWidget.width / FWL_NEEDREPAINTHIT_Piece; |
| FX_FLOAT fyPiece = rtWidget.height / FWL_NEEDREPAINTHIT_Piece; |
| hitPoint[2].hitPoint.x = hitPoint[6].hitPoint.x = rtWidget.left; |
| hitPoint[0].hitPoint.x = hitPoint[3].hitPoint.x = hitPoint[7].hitPoint.x = |
| hitPoint[10].hitPoint.x = fxPiece + rtWidget.left; |
| hitPoint[1].hitPoint.x = hitPoint[4].hitPoint.x = hitPoint[8].hitPoint.x = |
| hitPoint[11].hitPoint.x = fxPiece * 2 + rtWidget.left; |
| hitPoint[5].hitPoint.x = hitPoint[9].hitPoint.x = |
| rtWidget.width + rtWidget.left; |
| hitPoint[0].hitPoint.y = hitPoint[1].hitPoint.y = rtWidget.top; |
| hitPoint[2].hitPoint.y = hitPoint[3].hitPoint.y = hitPoint[4].hitPoint.y = |
| hitPoint[5].hitPoint.y = fyPiece + rtWidget.top; |
| hitPoint[6].hitPoint.y = hitPoint[7].hitPoint.y = hitPoint[8].hitPoint.y = |
| hitPoint[9].hitPoint.y = fyPiece * 2 + rtWidget.top; |
| hitPoint[10].hitPoint.y = hitPoint[11].hitPoint.y = |
| rtWidget.height + rtWidget.top; |
| do { |
| CFX_RectF rect; |
| pChild->GetWidgetRect(rect); |
| CFX_RectF r = rect; |
| r.left += rtWidget.left; |
| r.top += rtWidget.top; |
| if (r.IsEmpty()) { |
| continue; |
| } |
| if (r.Contains(rtDirty)) { |
| return FALSE; |
| } |
| if (!bChildIntersectWithDirty && r.IntersectWith(rtDirty)) { |
| bChildIntersectWithDirty = TRUE; |
| } |
| if (bOrginPtIntersectWidthDirty && !bOrginPtIntersectWidthChild) { |
| bOrginPtIntersectWidthChild = rect.Contains(0, 0); |
| } |
| if (rtChilds.IsEmpty()) { |
| rtChilds = rect; |
| } else if (!(pChild->GetStates() & FWL_WGTSTATE_Invisible)) { |
| rtChilds.Union(rect); |
| } |
| for (int32_t i = 0; i < FWL_NEEDREPAINTHIT_Point; i++) { |
| if (hitPoint[i].bNotContainByDirty || hitPoint[i].bNotNeedRepaint) { |
| continue; |
| } |
| if (!rtDirty.Contains(hitPoint[i].hitPoint)) { |
| hitPoint[i].bNotContainByDirty = TRUE; |
| continue; |
| } |
| if (r.Contains(hitPoint[i].hitPoint)) { |
| hitPoint[i].bNotNeedRepaint = TRUE; |
| } |
| } |
| } while ((pChild = FWL_GetWidgetMgr()->GetWidget( |
| pChild, FWL_WGTRELATION_NextSibling)) != NULL); |
| if (!bChildIntersectWithDirty) { |
| return TRUE; |
| } |
| if (bOrginPtIntersectWidthDirty && !bOrginPtIntersectWidthChild) { |
| return TRUE; |
| } |
| if (rtChilds.IsEmpty()) { |
| return TRUE; |
| } |
| int32_t repaintPoint = FWL_NEEDREPAINTHIT_Point; |
| for (int32_t i = 0; i < FWL_NEEDREPAINTHIT_Point; i++) { |
| if (hitPoint[i].bNotNeedRepaint) { |
| repaintPoint--; |
| } |
| } |
| if (repaintPoint > 0) { |
| return TRUE; |
| } |
| pMatrix->TransformRect(rtChilds); |
| if (rtChilds.Contains(rtDirty) || rtChilds.Contains(rtWidget)) { |
| return FALSE; |
| } |
| return TRUE; |
| } |
| FX_BOOL CFWL_WidgetMgrDelegate::bUseOffscreenDirect(IFWL_Widget* pWidget) { |
| CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget); |
| if (!FWL_UseOffscreen(pWidget) || !(pItem->pOffscreen)) { |
| return FALSE; |
| } |
| #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) |
| if (pItem->bOutsideChanged) { |
| CFX_RectF r; |
| pWidget->GetWidgetRect(r); |
| CFX_RectF temp(m_pWidgetMgr->m_rtScreen); |
| temp.Deflate(50, 50); |
| if (!temp.Contains(r)) { |
| return FALSE; |
| } |
| pItem->bOutsideChanged = FALSE; |
| } |
| #endif |
| return pItem->iRedrawCounter == 0; |
| } |
| static void FWL_WriteBMP(CFX_DIBitmap* pBitmap, const FX_CHAR* filename) { |
| FILE* file = fopen(filename, "wb"); |
| if (file == NULL) { |
| return; |
| } |
| int size = 14 + 40 + pBitmap->GetPitch() * pBitmap->GetHeight(); |
| unsigned char buffer[40]; |
| buffer[0] = 'B'; |
| buffer[1] = 'M'; |
| buffer[2] = (unsigned char)size; |
| buffer[3] = (unsigned char)(size >> 8); |
| buffer[4] = (unsigned char)(size >> 16); |
| buffer[5] = (unsigned char)(size >> 24); |
| buffer[6] = buffer[7] = buffer[8] = buffer[9] = 0; |
| buffer[10] = 54; |
| buffer[11] = buffer[12] = buffer[13] = 0; |
| fwrite(buffer, 14, 1, file); |
| memset(buffer, 0, 40); |
| buffer[0] = 40; |
| buffer[4] = (unsigned char)pBitmap->GetWidth(); |
| buffer[5] = (unsigned char)(pBitmap->GetWidth() >> 8); |
| buffer[6] = (unsigned char)(pBitmap->GetWidth() >> 16); |
| buffer[7] = (unsigned char)(pBitmap->GetWidth() >> 24); |
| buffer[8] = (unsigned char)(-pBitmap->GetHeight()); |
| buffer[9] = (unsigned char)((-pBitmap->GetHeight()) >> 8); |
| buffer[10] = (unsigned char)((-pBitmap->GetHeight()) >> 16); |
| buffer[11] = (unsigned char)((-pBitmap->GetHeight()) >> 24); |
| buffer[12] = 1; |
| buffer[14] = pBitmap->GetBPP(); |
| fwrite(buffer, 40, 1, file); |
| for (int row = 0; row < pBitmap->GetHeight(); row++) { |
| uint8_t* scan_line = pBitmap->GetBuffer() + row * pBitmap->GetPitch(); |
| fwrite(scan_line, pBitmap->GetPitch(), 1, file); |
| } |
| fclose(file); |
| } |
| FWL_ERR FWL_WidgetMgrSnapshot(IFWL_Widget* pWidget, |
| const CFX_WideString* saveFile, |
| const CFX_Matrix* pMatrix) { |
| CFX_RectF r; |
| pWidget->GetWidgetRect(r); |
| CFX_Graphics gs; |
| gs.Create((int32_t)r.width, (int32_t)r.height, FXDIB_Argb); |
| CFWL_WidgetMgr* widgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr()); |
| CFWL_WidgetMgrDelegate* delegate = widgetMgr->GetDelegate(); |
| delegate->OnDrawWidget(pWidget, &gs, pMatrix); |
| CFX_DIBitmap* dib = gs.GetRenderDevice()->GetBitmap(); |
| FWL_WriteBMP(dib, saveFile->UTF8Encode()); |
| return FWL_ERR_Succeeded; |
| } |
| FX_BOOL FWL_WidgetIsChild(IFWL_Widget* parent, IFWL_Widget* find) { |
| if (!find) { |
| return FALSE; |
| } |
| IFWL_Widget* child = |
| FWL_GetWidgetMgr()->GetWidget(parent, FWL_WGTRELATION_FirstChild); |
| while (child) { |
| if (child == find) { |
| return TRUE; |
| } |
| if (FWL_WidgetIsChild(child, find)) { |
| return TRUE; |
| } |
| child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling); |
| } |
| return FALSE; |
| } |