| // 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/basewidget/fwl_listboximp.h" |
| |
| #include "xfa/fde/tto/fde_textout.h" |
| #include "xfa/fwl/basewidget/fwl_comboboximp.h" |
| #include "xfa/fwl/basewidget/fwl_scrollbarimp.h" |
| #include "xfa/fwl/core/cfwl_message.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/fwl_noteimp.h" |
| #include "xfa/fwl/core/fwl_widgetimp.h" |
| #include "xfa/fwl/core/ifwl_themeprovider.h" |
| |
| namespace { |
| |
| const int kItemTextMargin = 2; |
| |
| } // namespace |
| |
| // static |
| IFWL_ListBox* IFWL_ListBox::Create(const CFWL_WidgetImpProperties& properties, |
| IFWL_Widget* pOuter) { |
| IFWL_ListBox* pListBox = new IFWL_ListBox; |
| CFWL_ListBoxImp* pListBoxImpl = new CFWL_ListBoxImp(properties, pOuter); |
| pListBox->SetImpl(pListBoxImpl); |
| pListBoxImpl->SetInterface(pListBox); |
| return pListBox; |
| } |
| // static |
| IFWL_ListBox* IFWL_ListBox::CreateComboList( |
| const CFWL_WidgetImpProperties& properties, |
| IFWL_Widget* pOuter) { |
| IFWL_ListBox* pListBox = new IFWL_ListBox; |
| CFWL_ListBoxImp* pComboListImpl = new CFWL_ComboListImp(properties, pOuter); |
| pListBox->SetImpl(pComboListImpl); |
| pComboListImpl->SetInterface(pListBox); |
| return pListBox; |
| } |
| IFWL_ListBox::IFWL_ListBox() {} |
| int32_t IFWL_ListBox::CountSelItems() { |
| return static_cast<CFWL_ListBoxImp*>(GetImpl())->CountSelItems(); |
| } |
| FWL_HLISTITEM IFWL_ListBox::GetSelItem(int32_t nIndexSel) { |
| return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelItem(nIndexSel); |
| } |
| int32_t IFWL_ListBox::GetSelIndex(int32_t nIndex) { |
| return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelIndex(nIndex); |
| } |
| FWL_Error IFWL_ListBox::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) { |
| return static_cast<CFWL_ListBoxImp*>(GetImpl())->SetSelItem(hItem, bSelect); |
| } |
| FWL_Error IFWL_ListBox::GetItemText(FWL_HLISTITEM hItem, |
| CFX_WideString& wsText) { |
| return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetItemText(hItem, wsText); |
| } |
| FWL_Error IFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { |
| return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetScrollPos(fPos, bVert); |
| } |
| |
| CFWL_ListBoxImp::CFWL_ListBoxImp(const CFWL_WidgetImpProperties& properties, |
| IFWL_Widget* pOuter) |
| : CFWL_WidgetImp(properties, pOuter), |
| m_dwTTOStyles(0), |
| m_iTTOAligns(0), |
| m_hAnchor(NULL), |
| m_fScorllBarWidth(0), |
| m_bLButtonDown(FALSE), |
| m_pScrollBarTP(NULL) { |
| m_rtClient.Reset(); |
| m_rtConent.Reset(); |
| m_rtStatic.Reset(); |
| } |
| |
| CFWL_ListBoxImp::~CFWL_ListBoxImp() {} |
| |
| FWL_Error CFWL_ListBoxImp::GetClassName(CFX_WideString& wsClass) const { |
| wsClass = FWL_CLASS_ListBox; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Type CFWL_ListBoxImp::GetClassID() const { |
| return FWL_Type::ListBox; |
| } |
| |
| FWL_Error CFWL_ListBoxImp::Initialize() { |
| if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded) |
| return FWL_Error::Indefinite; |
| |
| m_pDelegate = new CFWL_ListBoxImpDelegate(this); |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBoxImp::Finalize() { |
| if (m_pVertScrollBar) { |
| m_pVertScrollBar->Finalize(); |
| } |
| if (m_pHorzScrollBar) { |
| m_pHorzScrollBar->Finalize(); |
| } |
| delete m_pDelegate; |
| m_pDelegate = nullptr; |
| return CFWL_WidgetImp::Finalize(); |
| } |
| FWL_Error CFWL_ListBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { |
| if (bAutoSize) { |
| rect.Set(0, 0, 0, 0); |
| if (!m_pProperties->m_pThemeProvider) { |
| m_pProperties->m_pThemeProvider = GetAvailableTheme(); |
| } |
| CFX_SizeF fs = CalcSize(TRUE); |
| rect.Set(0, 0, fs.x, fs.y); |
| CFWL_WidgetImp::GetWidgetRect(rect, TRUE); |
| } else { |
| rect = m_pProperties->m_rtWidget; |
| } |
| return FWL_Error::Succeeded; |
| } |
| FWL_Error CFWL_ListBoxImp::Update() { |
| if (IsLocked()) { |
| return FWL_Error::Indefinite; |
| } |
| if (!m_pProperties->m_pThemeProvider) { |
| m_pProperties->m_pThemeProvider = GetAvailableTheme(); |
| } |
| m_iTTOAligns = FDE_TTOALIGNMENT_Center; |
| switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_AlignMask) { |
| case FWL_STYLEEXT_LTB_LeftAlign: { |
| m_iTTOAligns = FDE_TTOALIGNMENT_CenterLeft; |
| break; |
| } |
| case FWL_STYLEEXT_LTB_RightAlign: { |
| m_iTTOAligns = FDE_TTOALIGNMENT_CenterRight; |
| break; |
| } |
| case FWL_STYLEEXT_LTB_CenterAlign: |
| default: { m_iTTOAligns = FDE_TTOALIGNMENT_Center; } |
| } |
| if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) { |
| m_dwTTOStyles |= FDE_TTOSTYLE_RTL; |
| } |
| m_dwTTOStyles |= FDE_TTOSTYLE_SingleLine; |
| m_fScorllBarWidth = GetScrollWidth(); |
| CalcSize(); |
| return FWL_Error::Succeeded; |
| } |
| FWL_WidgetHit CFWL_ListBoxImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) { |
| if (IsShowScrollBar(FALSE)) { |
| CFX_RectF rect; |
| m_pHorzScrollBar->GetWidgetRect(rect); |
| if (rect.Contains(fx, fy)) |
| return FWL_WidgetHit::HScrollBar; |
| } |
| if (IsShowScrollBar(TRUE)) { |
| CFX_RectF rect; |
| m_pVertScrollBar->GetWidgetRect(rect); |
| if (rect.Contains(fx, fy)) |
| return FWL_WidgetHit::VScrollBar; |
| } |
| if (m_rtClient.Contains(fx, fy)) |
| return FWL_WidgetHit::Client; |
| return FWL_WidgetHit::Unknown; |
| } |
| FWL_Error CFWL_ListBoxImp::DrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| if (!pGraphics) |
| return FWL_Error::Indefinite; |
| if (!m_pProperties->m_pThemeProvider) |
| return FWL_Error::Indefinite; |
| IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; |
| pGraphics->SaveGraphState(); |
| if (HasBorder()) { |
| DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); |
| } |
| if (HasEdge()) { |
| DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); |
| } |
| CFX_RectF rtClip(m_rtConent); |
| if (IsShowScrollBar(FALSE)) { |
| rtClip.height -= m_fScorllBarWidth; |
| } |
| if (IsShowScrollBar(TRUE)) { |
| rtClip.width -= m_fScorllBarWidth; |
| } |
| if (pMatrix) { |
| pMatrix->TransformRect(rtClip); |
| } |
| pGraphics->SetClipRect(rtClip); |
| if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_NoBackground) == 0) { |
| DrawBkground(pGraphics, pTheme, pMatrix); |
| } |
| DrawItems(pGraphics, pTheme, pMatrix); |
| pGraphics->RestoreGraphState(); |
| return FWL_Error::Succeeded; |
| } |
| FWL_Error CFWL_ListBoxImp::SetThemeProvider( |
| IFWL_ThemeProvider* pThemeProvider) { |
| if (!pThemeProvider) |
| return FWL_Error::Indefinite; |
| if (!pThemeProvider->IsValidWidget(m_pInterface)) { |
| m_pScrollBarTP = pThemeProvider; |
| return FWL_Error::Succeeded; |
| } |
| m_pProperties->m_pThemeProvider = pThemeProvider; |
| return FWL_Error::Succeeded; |
| } |
| int32_t CFWL_ListBoxImp::CountSelItems() { |
| if (!m_pProperties->m_pDataProvider) |
| return 0; |
| int32_t iRet = 0; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| if (!hItem) { |
| continue; |
| } |
| uint32_t dwStyle = pData->GetItemStyles(m_pInterface, hItem); |
| if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { |
| iRet++; |
| } |
| } |
| return iRet; |
| } |
| FWL_HLISTITEM CFWL_ListBoxImp::GetSelItem(int32_t nIndexSel) { |
| if (!m_pProperties->m_pDataProvider) |
| return NULL; |
| int32_t index = 0; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| if (!hItem) { |
| return NULL; |
| } |
| uint32_t dwStyle = pData->GetItemStyles(m_pInterface, hItem); |
| if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { |
| if (index == nIndexSel) { |
| return hItem; |
| } else { |
| index++; |
| } |
| } |
| } |
| return NULL; |
| } |
| int32_t CFWL_ListBoxImp::GetSelIndex(int32_t nIndex) { |
| if (!m_pProperties->m_pDataProvider) |
| return -1; |
| int32_t index = 0; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| if (!hItem) { |
| return -1; |
| } |
| uint32_t dwStyle = pData->GetItemStyles(m_pInterface, hItem); |
| if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { |
| if (index == nIndex) { |
| return i; |
| } else { |
| index++; |
| } |
| } |
| } |
| return -1; |
| } |
| FWL_Error CFWL_ListBoxImp::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) { |
| if (!m_pProperties->m_pDataProvider) |
| return FWL_Error::Indefinite; |
| if (!hItem) { |
| if (bSelect) { |
| SelectAll(); |
| } else { |
| ClearSelection(); |
| SetFocusItem(NULL); |
| } |
| return FWL_Error::Indefinite; |
| } |
| if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) { |
| SetSelectionDirect(hItem, bSelect); |
| } else { |
| SetSelection(hItem, hItem, bSelect); |
| } |
| return FWL_Error::Succeeded; |
| } |
| FWL_Error CFWL_ListBoxImp::GetItemText(FWL_HLISTITEM hItem, |
| CFX_WideString& wsText) { |
| if (!m_pProperties->m_pDataProvider) |
| return FWL_Error::Indefinite; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| if (!hItem) |
| return FWL_Error::Indefinite; |
| pData->GetItemText(m_pInterface, hItem, wsText); |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBoxImp::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { |
| if ((bVert && IsShowScrollBar(TRUE)) || (!bVert && IsShowScrollBar(FALSE))) { |
| IFWL_ScrollBar* pScrollBar = |
| bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get(); |
| fPos = pScrollBar->GetPos(); |
| return FWL_Error::Succeeded; |
| } |
| return FWL_Error::Indefinite; |
| } |
| |
| FWL_HLISTITEM CFWL_ListBoxImp::GetItem(FWL_HLISTITEM hItem, |
| uint32_t dwKeyCode) { |
| FWL_HLISTITEM hRet = NULL; |
| switch (dwKeyCode) { |
| case FWL_VKEY_Up: |
| case FWL_VKEY_Down: |
| case FWL_VKEY_Home: |
| case FWL_VKEY_End: { |
| const bool bUp = dwKeyCode == FWL_VKEY_Up; |
| const bool bDown = dwKeyCode == FWL_VKEY_Down; |
| const bool bHome = dwKeyCode == FWL_VKEY_Home; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iDstItem = -1; |
| if (bUp || bDown) { |
| int32_t index = pData->GetItemIndex(m_pInterface, hItem); |
| iDstItem = dwKeyCode == FWL_VKEY_Up ? index - 1 : index + 1; |
| } else if (bHome) { |
| iDstItem = 0; |
| } else { |
| int32_t iCount = pData->CountItems(m_pInterface); |
| iDstItem = iCount - 1; |
| } |
| hRet = pData->GetItem(m_pInterface, iDstItem); |
| break; |
| } |
| default: {} |
| } |
| return hRet; |
| } |
| void CFWL_ListBoxImp::SetSelection(FWL_HLISTITEM hStart, |
| FWL_HLISTITEM hEnd, |
| FX_BOOL bSelected) { |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iStart = pData->GetItemIndex(m_pInterface, hStart); |
| int32_t iEnd = pData->GetItemIndex(m_pInterface, hEnd); |
| if (iStart > iEnd) { |
| int32_t iTemp = iStart; |
| iStart = iEnd; |
| iEnd = iTemp; |
| } |
| if (bSelected) { |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| SetSelectionDirect(hItem, FALSE); |
| } |
| } |
| for (; iStart <= iEnd; iStart++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iStart); |
| SetSelectionDirect(hItem, bSelected); |
| } |
| } |
| void CFWL_ListBoxImp::SetSelectionDirect(FWL_HLISTITEM hItem, FX_BOOL bSelect) { |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| uint32_t dwOldStyle = pData->GetItemStyles(m_pInterface, hItem); |
| bSelect ? dwOldStyle |= FWL_ITEMSTATE_LTB_Selected |
| : dwOldStyle &= ~FWL_ITEMSTATE_LTB_Selected; |
| pData->SetItemStyles(m_pInterface, hItem, dwOldStyle); |
| } |
| FX_BOOL CFWL_ListBoxImp::IsItemSelected(FWL_HLISTITEM hItem) { |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| uint32_t dwState = pData->GetItemStyles(m_pInterface, hItem); |
| return (dwState & FWL_ITEMSTATE_LTB_Selected) != 0; |
| } |
| void CFWL_ListBoxImp::ClearSelection() { |
| FX_BOOL bMulti = |
| m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| uint32_t dwState = pData->GetItemStyles(m_pInterface, hItem); |
| if (!(dwState & FWL_ITEMSTATE_LTB_Selected)) |
| continue; |
| SetSelectionDirect(hItem, FALSE); |
| if (!bMulti) |
| return; |
| } |
| } |
| void CFWL_ListBoxImp::SelectAll() { |
| FX_BOOL bMulti = |
| m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection; |
| if (!bMulti) { |
| return; |
| } |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| if (iCount > 0) { |
| FWL_HLISTITEM hItemStart = pData->GetItem(m_pInterface, 0); |
| FWL_HLISTITEM hItemEnd = pData->GetItem(m_pInterface, iCount - 1); |
| SetSelection(hItemStart, hItemEnd, FALSE); |
| } |
| } |
| FWL_HLISTITEM CFWL_ListBoxImp::GetFocusedItem() { |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| if (!hItem) |
| return NULL; |
| if (pData->GetItemStyles(m_pInterface, hItem) & FWL_ITEMSTATE_LTB_Focused) { |
| return hItem; |
| } |
| } |
| return NULL; |
| } |
| void CFWL_ListBoxImp::SetFocusItem(FWL_HLISTITEM hItem) { |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| FWL_HLISTITEM hFocus = GetFocusedItem(); |
| if (hItem != hFocus) { |
| if (hFocus) { |
| uint32_t dwStyle = pData->GetItemStyles(m_pInterface, hFocus); |
| dwStyle &= ~FWL_ITEMSTATE_LTB_Focused; |
| pData->SetItemStyles(m_pInterface, hFocus, dwStyle); |
| } |
| if (hItem) { |
| uint32_t dwStyle = pData->GetItemStyles(m_pInterface, hItem); |
| dwStyle |= FWL_ITEMSTATE_LTB_Focused; |
| pData->SetItemStyles(m_pInterface, hItem, dwStyle); |
| } |
| } |
| } |
| FWL_HLISTITEM CFWL_ListBoxImp::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) { |
| fx -= m_rtConent.left, fy -= m_rtConent.top; |
| FX_FLOAT fPosX = 0.0f; |
| if (m_pHorzScrollBar) { |
| fPosX = m_pHorzScrollBar->GetPos(); |
| } |
| FX_FLOAT fPosY = 0.0; |
| if (m_pVertScrollBar) { |
| fPosY = m_pVertScrollBar->GetPos(); |
| } |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t nCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < nCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| if (!hItem) { |
| continue; |
| } |
| CFX_RectF rtItem; |
| pData->GetItemRect(m_pInterface, hItem, rtItem); |
| rtItem.Offset(-fPosX, -fPosY); |
| if (rtItem.Contains(fx, fy)) { |
| return hItem; |
| } |
| } |
| return NULL; |
| } |
| FX_BOOL CFWL_ListBoxImp::GetItemCheckRect(FWL_HLISTITEM hItem, |
| CFX_RectF& rtCheck) { |
| if (!m_pProperties->m_pDataProvider) |
| return FALSE; |
| if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { |
| return FALSE; |
| } |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| pData->GetItemCheckRect(m_pInterface, hItem, rtCheck); |
| return TRUE; |
| } |
| FX_BOOL CFWL_ListBoxImp::GetItemChecked(FWL_HLISTITEM hItem) { |
| if (!m_pProperties->m_pDataProvider) |
| return FALSE; |
| if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { |
| return FALSE; |
| } |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| return (pData->GetItemCheckState(m_pInterface, hItem) & |
| FWL_ITEMSTATE_LTB_Checked); |
| } |
| FX_BOOL CFWL_ListBoxImp::SetItemChecked(FWL_HLISTITEM hItem, FX_BOOL bChecked) { |
| if (!m_pProperties->m_pDataProvider) |
| return FALSE; |
| if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { |
| return FALSE; |
| } |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| pData->SetItemCheckState(m_pInterface, hItem, |
| bChecked ? FWL_ITEMSTATE_LTB_Checked : 0); |
| return TRUE; |
| } |
| FX_BOOL CFWL_ListBoxImp::ScrollToVisible(FWL_HLISTITEM hItem) { |
| if (!m_pVertScrollBar) |
| return FALSE; |
| CFX_RectF rtItem; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| pData->GetItemRect(m_pInterface, hItem, rtItem); |
| FX_BOOL bScroll = FALSE; |
| FX_FLOAT fPosY = m_pVertScrollBar->GetPos(); |
| rtItem.Offset(0, -fPosY + m_rtConent.top); |
| if (rtItem.top < m_rtConent.top) { |
| fPosY += rtItem.top - m_rtConent.top; |
| bScroll = TRUE; |
| } else if (rtItem.bottom() > m_rtConent.bottom()) { |
| fPosY += rtItem.bottom() - m_rtConent.bottom(); |
| bScroll = TRUE; |
| } |
| if (!bScroll) { |
| return FALSE; |
| } |
| m_pVertScrollBar->SetPos(fPosY); |
| m_pVertScrollBar->SetTrackPos(fPosY); |
| Repaint(&m_rtClient); |
| return TRUE; |
| } |
| void CFWL_ListBoxImp::DrawBkground(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix) { |
| if (!pGraphics) |
| return; |
| if (!pTheme) |
| return; |
| CFWL_ThemeBackground param; |
| param.m_pWidget = m_pInterface; |
| param.m_iPart = CFWL_Part::Background; |
| param.m_dwStates = 0; |
| param.m_pGraphics = pGraphics; |
| param.m_matrix.Concat(*pMatrix); |
| param.m_rtPart = m_rtClient; |
| if (IsShowScrollBar(FALSE) && IsShowScrollBar(TRUE)) { |
| param.m_pData = &m_rtStatic; |
| } |
| if (!IsEnabled()) { |
| param.m_dwStates = CFWL_PartState_Disabled; |
| } |
| pTheme->DrawBackground(¶m); |
| } |
| void CFWL_ListBoxImp::DrawItems(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix) { |
| FX_FLOAT fPosX = 0.0f; |
| if (m_pHorzScrollBar) { |
| fPosX = m_pHorzScrollBar->GetPos(); |
| } |
| FX_FLOAT fPosY = 0.0f; |
| if (m_pVertScrollBar) { |
| fPosY = m_pVertScrollBar->GetPos(); |
| } |
| CFX_RectF rtView(m_rtConent); |
| if (m_pHorzScrollBar) { |
| rtView.height -= m_fScorllBarWidth; |
| } |
| if (m_pVertScrollBar) { |
| rtView.width -= m_fScorllBarWidth; |
| } |
| FX_BOOL bMultiCol = |
| m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| if (!hItem) { |
| continue; |
| } |
| CFX_RectF rtItem; |
| pData->GetItemRect(m_pInterface, hItem, rtItem); |
| rtItem.Offset(m_rtConent.left - fPosX, m_rtConent.top - fPosY); |
| if (rtItem.bottom() < m_rtConent.top) { |
| continue; |
| } |
| if (rtItem.top >= m_rtConent.bottom()) { |
| break; |
| } |
| if (bMultiCol && rtItem.left > m_rtConent.right()) { |
| break; |
| } |
| if (GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw) { |
| CFWL_EvtLtbDrawItem ev; |
| ev.m_pSrcTarget = m_pInterface; |
| ev.m_pGraphics = pGraphics; |
| ev.m_matrix = *pMatrix; |
| ev.m_index = i; |
| ev.m_rect = rtItem; |
| DispatchEvent(&ev); |
| } else { |
| DrawItem(pGraphics, pTheme, hItem, i, rtItem, pMatrix); |
| } |
| } |
| } |
| void CFWL_ListBoxImp::DrawItem(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| FWL_HLISTITEM hItem, |
| int32_t Index, |
| const CFX_RectF& rtItem, |
| const CFX_Matrix* pMatrix) { |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| uint32_t dwItemStyles = pData->GetItemStyles(m_pInterface, hItem); |
| uint32_t dwPartStates = CFWL_PartState_Normal; |
| if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { |
| dwPartStates = CFWL_PartState_Disabled; |
| } else if (dwItemStyles & FWL_ITEMSTATE_LTB_Selected) { |
| dwPartStates = CFWL_PartState_Selected; |
| } |
| if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && |
| dwItemStyles & FWL_ITEMSTATE_LTB_Focused) { |
| dwPartStates |= CFWL_PartState_Focused; |
| } |
| { |
| CFWL_ThemeBackground param; |
| param.m_pWidget = m_pInterface; |
| param.m_iPart = CFWL_Part::ListItem; |
| param.m_dwStates = dwPartStates; |
| param.m_pGraphics = pGraphics; |
| param.m_matrix.Concat(*pMatrix); |
| param.m_rtPart = rtItem; |
| param.m_bMaximize = true; |
| CFX_RectF rtFocus(rtItem); |
| param.m_pData = &rtFocus; |
| if (m_pVertScrollBar && !m_pHorzScrollBar && |
| (dwPartStates & CFWL_PartState_Focused)) { |
| param.m_rtPart.left += 1; |
| param.m_rtPart.width -= (m_fScorllBarWidth + 1); |
| rtFocus.Deflate(0.5, 0.5, 1 + m_fScorllBarWidth, 1); |
| } |
| pTheme->DrawBackground(¶m); |
| } |
| { |
| FX_BOOL bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon; |
| if (bHasIcon) { |
| CFX_RectF rtDIB; |
| CFX_DIBitmap* pDib = pData->GetItemIcon(m_pInterface, hItem); |
| rtDIB.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); |
| if (pDib) { |
| CFWL_ThemeBackground param; |
| param.m_pWidget = m_pInterface; |
| param.m_iPart = CFWL_Part::Icon; |
| param.m_pGraphics = pGraphics; |
| param.m_matrix.Concat(*pMatrix); |
| param.m_rtPart = rtDIB; |
| param.m_bMaximize = true; |
| param.m_pImage = pDib; |
| pTheme->DrawBackground(¶m); |
| } |
| } |
| FX_BOOL bHasCheck = GetStylesEx() & FWL_STYLEEXT_LTB_Check; |
| if (bHasCheck) { |
| CFX_RectF rtCheck; |
| rtCheck.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); |
| rtCheck.Deflate(2, 2, 2, 2); |
| pData->SetItemCheckRect(m_pInterface, hItem, rtCheck); |
| CFWL_ThemeBackground param; |
| param.m_pWidget = m_pInterface; |
| param.m_iPart = CFWL_Part::Check; |
| param.m_pGraphics = pGraphics; |
| if (GetItemChecked(hItem)) { |
| param.m_dwStates = CFWL_PartState_Checked; |
| } else { |
| param.m_dwStates = CFWL_PartState_Normal; |
| } |
| param.m_matrix.Concat(*pMatrix); |
| param.m_rtPart = rtCheck; |
| param.m_bMaximize = true; |
| pTheme->DrawBackground(¶m); |
| } |
| CFX_WideString wsText; |
| pData->GetItemText(m_pInterface, hItem, wsText); |
| if (wsText.GetLength() <= 0) { |
| return; |
| } |
| CFX_RectF rtText(rtItem); |
| rtText.Deflate(kItemTextMargin, kItemTextMargin); |
| if (bHasIcon || bHasCheck) { |
| rtText.Deflate(rtItem.height, 0, 0, 0); |
| } |
| CFWL_ThemeText textParam; |
| textParam.m_pWidget = m_pInterface; |
| textParam.m_iPart = CFWL_Part::ListItem; |
| textParam.m_dwStates = dwPartStates; |
| textParam.m_pGraphics = pGraphics; |
| textParam.m_matrix.Concat(*pMatrix); |
| textParam.m_rtPart = rtText; |
| textParam.m_wsText = wsText; |
| textParam.m_dwTTOStyles = m_dwTTOStyles; |
| textParam.m_iTTOAlign = m_iTTOAligns; |
| textParam.m_bMaximize = true; |
| pTheme->DrawText(&textParam); |
| } |
| } |
| CFX_SizeF CFWL_ListBoxImp::CalcSize(FX_BOOL bAutoSize) { |
| CFX_SizeF fs; |
| if (!m_pProperties->m_pThemeProvider) |
| return fs; |
| |
| GetClientRect(m_rtClient); |
| m_rtConent = m_rtClient; |
| CFX_RectF rtUIMargin; |
| rtUIMargin.Set(0, 0, 0, 0); |
| if (!m_pOuter) { |
| CFX_RectF* pUIMargin = static_cast<CFX_RectF*>( |
| GetThemeCapacity(CFWL_WidgetCapacity::UIMargin)); |
| if (pUIMargin) { |
| m_rtConent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width, |
| pUIMargin->height); |
| } |
| } |
| FX_FLOAT fWidth = 0; |
| if (m_pProperties->m_pThemeProvider->IsCustomizedLayout(m_pInterface)) { |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| if (!bAutoSize) { |
| } |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| CFWL_ThemePart itemPart; |
| itemPart.m_pWidget = m_pInterface; |
| itemPart.m_iPart = CFWL_Part::ListItem; |
| itemPart.m_pData = m_pProperties->m_pDataProvider; |
| itemPart.m_bMaximize = i > 0; |
| CFX_RectF r; |
| m_pProperties->m_pThemeProvider->GetPartRect(&itemPart, r); |
| if (!bAutoSize) { |
| CFX_RectF rtItem; |
| rtItem.Set(m_rtClient.left, m_rtClient.top + fs.y, r.width, r.height); |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| pData->SetItemRect(m_pInterface, hItem, rtItem); |
| } |
| fs.y += r.height; |
| if (fs.x < r.width) { |
| fs.x = r.width; |
| fWidth = r.width; |
| } |
| } |
| } else { |
| fWidth = GetMaxTextWidth(); |
| fWidth += 2 * kItemTextMargin; |
| if (!bAutoSize) { |
| FX_FLOAT fActualWidth = |
| m_rtClient.width - rtUIMargin.left - rtUIMargin.width; |
| if (fWidth < fActualWidth) { |
| fWidth = fActualWidth; |
| } |
| } |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| m_fItemHeight = GetItemHeigt(); |
| FX_BOOL bHasIcon; |
| bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon; |
| if (bHasIcon) { |
| fWidth += m_fItemHeight; |
| } |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM htem = pData->GetItem(m_pInterface, i); |
| GetItemSize(fs, htem, fWidth, m_fItemHeight, bAutoSize); |
| } |
| } |
| if (bAutoSize) { |
| return fs; |
| } |
| FX_FLOAT iWidth = m_rtClient.width - rtUIMargin.left - rtUIMargin.width; |
| FX_FLOAT iHeight = m_rtClient.height; |
| FX_BOOL bShowVertScr = |
| (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) && |
| (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll); |
| FX_BOOL bShowHorzScr = |
| (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) && |
| (m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll); |
| if (!bShowVertScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll && |
| (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) == 0) { |
| bShowVertScr = (fs.y > iHeight); |
| } |
| if (!bShowHorzScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) { |
| bShowHorzScr = (fs.x > iWidth); |
| } |
| CFX_SizeF szRange; |
| if (bShowVertScr) { |
| if (!m_pVertScrollBar) { |
| InitScrollBar(); |
| } |
| CFX_RectF rtScrollBar; |
| rtScrollBar.Set(m_rtClient.right() - m_fScorllBarWidth, m_rtClient.top, |
| m_fScorllBarWidth, m_rtClient.height - 1); |
| if (bShowHorzScr) { |
| rtScrollBar.height -= m_fScorllBarWidth; |
| } |
| m_pVertScrollBar->SetWidgetRect(rtScrollBar); |
| szRange.x = 0, szRange.y = fs.y - m_rtConent.height; |
| if (szRange.y < m_fItemHeight) { |
| szRange.y = m_fItemHeight; |
| } |
| m_pVertScrollBar->SetRange(szRange.x, szRange.y); |
| m_pVertScrollBar->SetPageSize(rtScrollBar.height * 9 / 10); |
| m_pVertScrollBar->SetStepSize(m_fItemHeight); |
| FX_FLOAT fPos = m_pVertScrollBar->GetPos(); |
| if (fPos < 0) { |
| fPos = 0; |
| } |
| if (fPos > szRange.y) { |
| fPos = szRange.y; |
| } |
| m_pVertScrollBar->SetPos(fPos); |
| m_pVertScrollBar->SetTrackPos(fPos); |
| if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) == |
| 0 || |
| (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) { |
| m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE); |
| } |
| m_pVertScrollBar->Update(); |
| } else if (m_pVertScrollBar) { |
| m_pVertScrollBar->SetPos(0); |
| m_pVertScrollBar->SetTrackPos(0); |
| m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE); |
| } |
| if (bShowHorzScr) { |
| if (!m_pHorzScrollBar) { |
| InitScrollBar(FALSE); |
| } |
| CFX_RectF rtScrollBar; |
| rtScrollBar.Set(m_rtClient.left, m_rtClient.bottom() - m_fScorllBarWidth, |
| m_rtClient.width, m_fScorllBarWidth); |
| if (bShowVertScr) { |
| rtScrollBar.width -= m_fScorllBarWidth; |
| } |
| m_pHorzScrollBar->SetWidgetRect(rtScrollBar); |
| szRange.x = 0, szRange.y = fs.x - rtScrollBar.width; |
| m_pHorzScrollBar->SetRange(szRange.x, szRange.y); |
| m_pHorzScrollBar->SetPageSize(fWidth * 9 / 10); |
| m_pHorzScrollBar->SetStepSize(fWidth / 10); |
| FX_FLOAT fPos = m_pHorzScrollBar->GetPos(); |
| if (fPos < 0) { |
| fPos = 0; |
| } |
| if (fPos > szRange.y) { |
| fPos = szRange.y; |
| } |
| m_pHorzScrollBar->SetPos(fPos); |
| m_pHorzScrollBar->SetTrackPos(fPos); |
| if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) == |
| 0 || |
| (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) { |
| m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE); |
| } |
| m_pHorzScrollBar->Update(); |
| } else if (m_pHorzScrollBar) { |
| m_pHorzScrollBar->SetPos(0); |
| m_pHorzScrollBar->SetTrackPos(0); |
| m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE); |
| } |
| if (bShowVertScr && bShowHorzScr) { |
| m_rtStatic.Set(m_rtClient.right() - m_fScorllBarWidth, |
| m_rtClient.bottom() - m_fScorllBarWidth, m_fScorllBarWidth, |
| m_fScorllBarWidth); |
| } |
| return fs; |
| } |
| void CFWL_ListBoxImp::GetItemSize(CFX_SizeF& size, |
| FWL_HLISTITEM hItem, |
| FX_FLOAT fWidth, |
| FX_FLOAT m_fItemHeight, |
| FX_BOOL bAutoSize) { |
| if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) { |
| } else { |
| if (!bAutoSize) { |
| CFX_RectF rtItem; |
| rtItem.Set(0, size.y, fWidth, m_fItemHeight); |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| pData->SetItemRect(m_pInterface, hItem, rtItem); |
| } |
| size.x = fWidth; |
| size.y += m_fItemHeight; |
| } |
| } |
| FX_FLOAT CFWL_ListBoxImp::GetMaxTextWidth() { |
| FX_FLOAT fRet = 0.0f; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iCount = pData->CountItems(m_pInterface); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); |
| if (!hItem) { |
| continue; |
| } |
| CFX_WideString wsText; |
| pData->GetItemText(m_pInterface, hItem, wsText); |
| CFX_SizeF sz = CalcTextSize(wsText, m_pProperties->m_pThemeProvider); |
| if (sz.x > fRet) { |
| fRet = sz.x; |
| } |
| } |
| return fRet; |
| } |
| FX_FLOAT CFWL_ListBoxImp::GetScrollWidth() { |
| FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>( |
| GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); |
| if (!pfWidth) |
| return 0; |
| return *pfWidth; |
| } |
| FX_FLOAT CFWL_ListBoxImp::GetItemHeigt() { |
| FX_FLOAT* pfFont = |
| static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::FontSize)); |
| if (!pfFont) |
| return 20; |
| return *pfFont + 2 * kItemTextMargin; |
| } |
| void CFWL_ListBoxImp::InitScrollBar(FX_BOOL bVert) { |
| if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) { |
| return; |
| } |
| CFWL_WidgetImpProperties prop; |
| prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz; |
| prop.m_dwStates = FWL_WGTSTATE_Invisible; |
| prop.m_pParent = m_pInterface; |
| prop.m_pThemeProvider = m_pScrollBarTP; |
| IFWL_ScrollBar* pScrollBar = IFWL_ScrollBar::Create(prop, m_pInterface); |
| pScrollBar->Initialize(); |
| (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar); |
| } |
| |
| FX_BOOL CFWL_ListBoxImp::IsShowScrollBar(FX_BOOL bVert) { |
| IFWL_ScrollBar* pScrollbar = |
| bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get(); |
| if (!pScrollbar || (pScrollbar->GetStates() & FWL_WGTSTATE_Invisible)) { |
| return FALSE; |
| } |
| return !(m_pProperties->m_dwStyleExes & |
| FWL_STYLEEXT_LTB_ShowScrollBarFocus) || |
| (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused); |
| } |
| void CFWL_ListBoxImp::ProcessSelChanged() { |
| CFWL_EvtLtbSelChanged selEvent; |
| selEvent.m_pSrcTarget = m_pInterface; |
| CFX_Int32Array arrSels; |
| int32_t iCount = CountSelItems(); |
| for (int32_t i = 0; i < iCount; i++) { |
| FWL_HLISTITEM item = GetSelItem(i); |
| if (item == NULL) { |
| continue; |
| } |
| selEvent.iarraySels.Add(i); |
| } |
| DispatchEvent(&selEvent); |
| } |
| |
| CFWL_ListBoxImpDelegate::CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner) |
| : m_pOwner(pOwner) {} |
| |
| void CFWL_ListBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { |
| if (!pMessage) |
| return; |
| if (!m_pOwner->IsEnabled()) |
| return; |
| |
| CFWL_MessageType dwMsgCode = pMessage->GetClassID(); |
| switch (dwMsgCode) { |
| case CFWL_MessageType::SetFocus: { |
| OnFocusChanged(pMessage, TRUE); |
| break; |
| } |
| case CFWL_MessageType::KillFocus: { |
| OnFocusChanged(pMessage, FALSE); |
| break; |
| } |
| case CFWL_MessageType::Mouse: { |
| CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); |
| switch (pMsg->m_dwCmd) { |
| case FWL_MouseCommand::LeftButtonDown: { |
| OnLButtonDown(pMsg); |
| break; |
| } |
| case FWL_MouseCommand::LeftButtonUp: { |
| OnLButtonUp(pMsg); |
| break; |
| } |
| default: |
| break; |
| } |
| break; |
| } |
| case CFWL_MessageType::MouseWheel: { |
| OnMouseWheel(static_cast<CFWL_MsgMouseWheel*>(pMessage)); |
| break; |
| } |
| case CFWL_MessageType::Key: { |
| CFWL_MsgKey* pMsg = static_cast<CFWL_MsgKey*>(pMessage); |
| if (pMsg->m_dwCmd == FWL_KeyCommand::KeyDown) |
| OnKeyDown(pMsg); |
| break; |
| } |
| default: { |
| break; |
| } |
| } |
| CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); |
| } |
| |
| void CFWL_ListBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) { |
| if (!pEvent) |
| return; |
| if (pEvent->GetClassID() != CFWL_EventType::Scroll) |
| return; |
| |
| IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget; |
| if ((pSrcTarget == m_pOwner->m_pVertScrollBar.get() && |
| m_pOwner->m_pVertScrollBar) || |
| (pSrcTarget == m_pOwner->m_pHorzScrollBar.get() && |
| m_pOwner->m_pHorzScrollBar)) { |
| CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent); |
| OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget), |
| pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos); |
| } |
| } |
| |
| void CFWL_ListBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| m_pOwner->DrawWidget(pGraphics, pMatrix); |
| } |
| |
| void CFWL_ListBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) { |
| if (m_pOwner->GetStylesEx() & FWL_STYLEEXT_LTB_ShowScrollBarFocus) { |
| if (m_pOwner->m_pVertScrollBar) { |
| m_pOwner->m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet); |
| } |
| if (m_pOwner->m_pHorzScrollBar) { |
| m_pOwner->m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet); |
| } |
| } |
| if (bSet) { |
| m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused); |
| } else { |
| m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused); |
| } |
| m_pOwner->Repaint(&m_pOwner->m_rtClient); |
| } |
| void CFWL_ListBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { |
| m_pOwner->m_bLButtonDown = TRUE; |
| if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) { |
| m_pOwner->SetFocus(TRUE); |
| } |
| FWL_HLISTITEM hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); |
| if (!hItem) { |
| return; |
| } |
| if (m_pOwner->m_pProperties->m_dwStyleExes & |
| FWL_STYLEEXT_LTB_MultiSelection) { |
| if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl) { |
| FX_BOOL bSelected = m_pOwner->IsItemSelected(hItem); |
| m_pOwner->SetSelectionDirect(hItem, !bSelected); |
| m_pOwner->m_hAnchor = hItem; |
| } else if (pMsg->m_dwFlags & FWL_KEYFLAG_Shift) { |
| if (m_pOwner->m_hAnchor) { |
| m_pOwner->SetSelection(m_pOwner->m_hAnchor, hItem, TRUE); |
| } else { |
| m_pOwner->SetSelectionDirect(hItem, TRUE); |
| } |
| } else { |
| m_pOwner->SetSelection(hItem, hItem, TRUE); |
| m_pOwner->m_hAnchor = hItem; |
| } |
| } else { |
| m_pOwner->SetSelection(hItem, hItem, TRUE); |
| } |
| if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check) { |
| FWL_HLISTITEM hSelectedItem = |
| m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); |
| CFX_RectF rtCheck; |
| m_pOwner->GetItemCheckRect(hSelectedItem, rtCheck); |
| FX_BOOL bChecked = m_pOwner->GetItemChecked(hItem); |
| if (rtCheck.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| if (bChecked) { |
| m_pOwner->SetItemChecked(hItem, FALSE); |
| } else { |
| m_pOwner->SetItemChecked(hItem, TRUE); |
| } |
| m_pOwner->Update(); |
| } |
| } |
| m_pOwner->SetFocusItem(hItem); |
| m_pOwner->ScrollToVisible(hItem); |
| m_pOwner->SetGrab(TRUE); |
| m_pOwner->ProcessSelChanged(); |
| m_pOwner->Repaint(&m_pOwner->m_rtClient); |
| } |
| void CFWL_ListBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { |
| if (m_pOwner->m_bLButtonDown) { |
| m_pOwner->m_bLButtonDown = FALSE; |
| m_pOwner->SetGrab(FALSE); |
| DispatchSelChangedEv(); |
| } |
| } |
| void CFWL_ListBoxImpDelegate::OnMouseWheel(CFWL_MsgMouseWheel* pMsg) { |
| if (!m_pOwner->IsShowScrollBar(TRUE)) { |
| return; |
| } |
| IFWL_WidgetDelegate* pDelegate = |
| m_pOwner->m_pVertScrollBar->SetDelegate(NULL); |
| pDelegate->OnProcessMessage(pMsg); |
| } |
| void CFWL_ListBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) { |
| uint32_t dwKeyCode = pMsg->m_dwKeyCode; |
| switch (dwKeyCode) { |
| case FWL_VKEY_Tab: |
| case FWL_VKEY_Up: |
| case FWL_VKEY_Down: |
| case FWL_VKEY_Home: |
| case FWL_VKEY_End: { |
| FWL_HLISTITEM hItem = m_pOwner->GetFocusedItem(); |
| hItem = m_pOwner->GetItem(hItem, dwKeyCode); |
| FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift; |
| FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl; |
| OnVK(hItem, bShift, bCtrl); |
| DispatchSelChangedEv(); |
| m_pOwner->ProcessSelChanged(); |
| break; |
| } |
| default: {} |
| } |
| } |
| void CFWL_ListBoxImpDelegate::OnVK(FWL_HLISTITEM hItem, |
| FX_BOOL bShift, |
| FX_BOOL bCtrl) { |
| if (!hItem) { |
| return; |
| } |
| if (m_pOwner->m_pProperties->m_dwStyleExes & |
| FWL_STYLEEXT_LTB_MultiSelection) { |
| if (bCtrl) { |
| } else if (bShift) { |
| if (m_pOwner->m_hAnchor) { |
| m_pOwner->SetSelection(m_pOwner->m_hAnchor, hItem, TRUE); |
| } else { |
| m_pOwner->SetSelectionDirect(hItem, TRUE); |
| } |
| } else { |
| m_pOwner->SetSelection(hItem, hItem, TRUE); |
| m_pOwner->m_hAnchor = hItem; |
| } |
| } else { |
| m_pOwner->SetSelection(hItem, hItem, TRUE); |
| } |
| m_pOwner->SetFocusItem(hItem); |
| m_pOwner->ScrollToVisible(hItem); |
| { |
| CFX_RectF rtInvalidate; |
| rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width, |
| m_pOwner->m_pProperties->m_rtWidget.height); |
| m_pOwner->Repaint(&rtInvalidate); |
| } |
| } |
| FX_BOOL CFWL_ListBoxImpDelegate::OnScroll(IFWL_ScrollBar* pScrollBar, |
| uint32_t dwCode, |
| FX_FLOAT fPos) { |
| CFX_SizeF fs; |
| pScrollBar->GetRange(fs.x, fs.y); |
| FX_FLOAT iCurPos = pScrollBar->GetPos(); |
| FX_FLOAT fStep = pScrollBar->GetStepSize(); |
| switch (dwCode) { |
| case FWL_SCBCODE_Min: { |
| fPos = fs.x; |
| break; |
| } |
| case FWL_SCBCODE_Max: { |
| fPos = fs.y; |
| break; |
| } |
| case FWL_SCBCODE_StepBackward: { |
| fPos -= fStep; |
| if (fPos < fs.x + fStep / 2) { |
| fPos = fs.x; |
| } |
| break; |
| } |
| case FWL_SCBCODE_StepForward: { |
| fPos += fStep; |
| if (fPos > fs.y - fStep / 2) { |
| fPos = fs.y; |
| } |
| break; |
| } |
| case FWL_SCBCODE_PageBackward: { |
| fPos -= pScrollBar->GetPageSize(); |
| if (fPos < fs.x) { |
| fPos = fs.x; |
| } |
| break; |
| } |
| case FWL_SCBCODE_PageForward: { |
| fPos += pScrollBar->GetPageSize(); |
| if (fPos > fs.y) { |
| fPos = fs.y; |
| } |
| break; |
| } |
| case FWL_SCBCODE_Pos: |
| case FWL_SCBCODE_TrackPos: |
| break; |
| case FWL_SCBCODE_EndScroll: |
| return FALSE; |
| } |
| if (iCurPos != fPos) { |
| pScrollBar->SetPos(fPos); |
| pScrollBar->SetTrackPos(fPos); |
| m_pOwner->Repaint(&m_pOwner->m_rtClient); |
| } |
| return TRUE; |
| } |
| void CFWL_ListBoxImpDelegate::DispatchSelChangedEv() { |
| CFWL_EvtLtbSelChanged ev; |
| ev.m_pSrcTarget = m_pOwner->m_pInterface; |
| m_pOwner->DispatchEvent(&ev); |
| } |