diff options
Diffstat (limited to 'xfa/fwl/basewidget/fwl_listboximp.cpp')
| -rw-r--r-- | xfa/fwl/basewidget/fwl_listboximp.cpp | 1223 |
1 files changed, 0 insertions, 1223 deletions
diff --git a/xfa/fwl/basewidget/fwl_listboximp.cpp b/xfa/fwl/basewidget/fwl_listboximp.cpp deleted file mode 100644 index 33a0a8d1ee..0000000000 --- a/xfa/fwl/basewidget/fwl_listboximp.cpp +++ /dev/null @@ -1,1223 +0,0 @@ -// 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_widgetimp.h" -#include "xfa/fwl/core/ifwl_app.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(); -} -IFWL_ListItem* 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(IFWL_ListItem* pItem, FX_BOOL bSelect) { - return static_cast<CFWL_ListBoxImp*>(GetImpl())->SetSelItem(pItem, bSelect); -} -FWL_Error IFWL_ListBox::GetItemText(IFWL_ListItem* pItem, - CFX_WideString& wsText) { - return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetItemText(pItem, 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(nullptr), - m_fScorllBarWidth(0), - m_bLButtonDown(FALSE), - m_pScrollBarTP(nullptr) { - 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; - 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!pItem) { - continue; - } - uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); - if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { - iRet++; - } - } - return iRet; -} -IFWL_ListItem* CFWL_ListBoxImp::GetSelItem(int32_t nIndexSel) { - if (!m_pProperties->m_pDataProvider) - return nullptr; - 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!pItem) { - return nullptr; - } - uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); - if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { - if (index == nIndexSel) { - return pItem; - } else { - index++; - } - } - } - return nullptr; -} -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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!pItem) { - return -1; - } - uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); - if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { - if (index == nIndex) { - return i; - } else { - index++; - } - } - } - return -1; -} -FWL_Error CFWL_ListBoxImp::SetSelItem(IFWL_ListItem* pItem, FX_BOOL bSelect) { - if (!m_pProperties->m_pDataProvider) - return FWL_Error::Indefinite; - if (!pItem) { - if (bSelect) { - SelectAll(); - } else { - ClearSelection(); - SetFocusItem(nullptr); - } - return FWL_Error::Indefinite; - } - if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) { - SetSelectionDirect(pItem, bSelect); - } else { - SetSelection(pItem, pItem, bSelect); - } - return FWL_Error::Succeeded; -} -FWL_Error CFWL_ListBoxImp::GetItemText(IFWL_ListItem* pItem, - CFX_WideString& wsText) { - if (!m_pProperties->m_pDataProvider) - return FWL_Error::Indefinite; - IFWL_ListBoxDP* pData = - static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); - if (!pItem) - return FWL_Error::Indefinite; - pData->GetItemText(m_pInterface, pItem, 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; -} - -IFWL_ListItem* CFWL_ListBoxImp::GetItem(IFWL_ListItem* pItem, - uint32_t dwKeyCode) { - IFWL_ListItem* hRet = nullptr; - 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, pItem); - 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(IFWL_ListItem* hStart, - IFWL_ListItem* 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - SetSelectionDirect(pItem, FALSE); - } - } - for (; iStart <= iEnd; iStart++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, iStart); - SetSelectionDirect(pItem, bSelected); - } -} -void CFWL_ListBoxImp::SetSelectionDirect(IFWL_ListItem* pItem, - FX_BOOL bSelect) { - IFWL_ListBoxDP* pData = - static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); - uint32_t dwOldStyle = pData->GetItemStyles(m_pInterface, pItem); - bSelect ? dwOldStyle |= FWL_ITEMSTATE_LTB_Selected - : dwOldStyle &= ~FWL_ITEMSTATE_LTB_Selected; - pData->SetItemStyles(m_pInterface, pItem, dwOldStyle); -} -FX_BOOL CFWL_ListBoxImp::IsItemSelected(IFWL_ListItem* pItem) { - IFWL_ListBoxDP* pData = - static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); - uint32_t dwState = pData->GetItemStyles(m_pInterface, pItem); - 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - uint32_t dwState = pData->GetItemStyles(m_pInterface, pItem); - if (!(dwState & FWL_ITEMSTATE_LTB_Selected)) - continue; - SetSelectionDirect(pItem, 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) { - IFWL_ListItem* pItemStart = pData->GetItem(m_pInterface, 0); - IFWL_ListItem* pItemEnd = pData->GetItem(m_pInterface, iCount - 1); - SetSelection(pItemStart, pItemEnd, FALSE); - } -} -IFWL_ListItem* 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!pItem) - return nullptr; - if (pData->GetItemStyles(m_pInterface, pItem) & FWL_ITEMSTATE_LTB_Focused) { - return pItem; - } - } - return nullptr; -} -void CFWL_ListBoxImp::SetFocusItem(IFWL_ListItem* pItem) { - IFWL_ListBoxDP* pData = - static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); - IFWL_ListItem* hFocus = GetFocusedItem(); - if (pItem != hFocus) { - if (hFocus) { - uint32_t dwStyle = pData->GetItemStyles(m_pInterface, hFocus); - dwStyle &= ~FWL_ITEMSTATE_LTB_Focused; - pData->SetItemStyles(m_pInterface, hFocus, dwStyle); - } - if (pItem) { - uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); - dwStyle |= FWL_ITEMSTATE_LTB_Focused; - pData->SetItemStyles(m_pInterface, pItem, dwStyle); - } - } -} -IFWL_ListItem* 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!pItem) { - continue; - } - CFX_RectF rtItem; - pData->GetItemRect(m_pInterface, pItem, rtItem); - rtItem.Offset(-fPosX, -fPosY); - if (rtItem.Contains(fx, fy)) { - return pItem; - } - } - return nullptr; -} -FX_BOOL CFWL_ListBoxImp::GetItemCheckRect(IFWL_ListItem* pItem, - 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, pItem, rtCheck); - return TRUE; -} -FX_BOOL CFWL_ListBoxImp::GetItemChecked(IFWL_ListItem* pItem) { - 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, pItem) & - FWL_ITEMSTATE_LTB_Checked); -} -FX_BOOL CFWL_ListBoxImp::SetItemChecked(IFWL_ListItem* pItem, - 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, pItem, - bChecked ? FWL_ITEMSTATE_LTB_Checked : 0); - return TRUE; -} -FX_BOOL CFWL_ListBoxImp::ScrollToVisible(IFWL_ListItem* pItem) { - if (!m_pVertScrollBar) - return FALSE; - CFX_RectF rtItem; - IFWL_ListBoxDP* pData = - static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); - pData->GetItemRect(m_pInterface, pItem, 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!pItem) { - continue; - } - CFX_RectF rtItem; - pData->GetItemRect(m_pInterface, pItem, 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, pItem, i, rtItem, pMatrix); - } - } -} -void CFWL_ListBoxImp::DrawItem(CFX_Graphics* pGraphics, - IFWL_ThemeProvider* pTheme, - IFWL_ListItem* pItem, - 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, pItem); - 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, pItem); - 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, pItem, rtCheck); - CFWL_ThemeBackground param; - param.m_pWidget = m_pInterface; - param.m_iPart = CFWL_Part::Check; - param.m_pGraphics = pGraphics; - if (GetItemChecked(pItem)) { - 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, pItem, 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); - int32_t iCount = pData->CountItems(m_pInterface); - for (int32_t i = 0; i < iCount; i++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!bAutoSize) { - CFX_RectF rtItem; - rtItem.Set(m_rtClient.left, m_rtClient.top + fs.y, 0, 0); - IFWL_ListBoxDP* pBox = - static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); - pBox->SetItemRect(m_pInterface, pItem, rtItem); - } - if (fs.x < 0) { - fs.x = 0; - fWidth = 0; - } - } - } 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++) { - IFWL_ListItem* 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, - IFWL_ListItem* pItem, - FX_FLOAT fWidth, - FX_FLOAT 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, fItemHeight); - IFWL_ListBoxDP* pData = - static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); - pData->SetItemRect(m_pInterface, pItem, rtItem); - } - size.x = fWidth; - size.y += 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++) { - IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); - if (!pItem) { - continue; - } - CFX_WideString wsText; - pData->GetItemText(m_pInterface, pItem, 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++) { - IFWL_ListItem* item = GetSelItem(i); - if (!item) { - 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); - } - IFWL_ListItem* pItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); - if (!pItem) { - 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(pItem); - m_pOwner->SetSelectionDirect(pItem, !bSelected); - m_pOwner->m_hAnchor = pItem; - } else if (pMsg->m_dwFlags & FWL_KEYFLAG_Shift) { - if (m_pOwner->m_hAnchor) { - m_pOwner->SetSelection(m_pOwner->m_hAnchor, pItem, TRUE); - } else { - m_pOwner->SetSelectionDirect(pItem, TRUE); - } - } else { - m_pOwner->SetSelection(pItem, pItem, TRUE); - m_pOwner->m_hAnchor = pItem; - } - } else { - m_pOwner->SetSelection(pItem, pItem, TRUE); - } - if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check) { - IFWL_ListItem* hSelectedItem = - m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); - CFX_RectF rtCheck; - m_pOwner->GetItemCheckRect(hSelectedItem, rtCheck); - FX_BOOL bChecked = m_pOwner->GetItemChecked(pItem); - if (rtCheck.Contains(pMsg->m_fx, pMsg->m_fy)) { - if (bChecked) { - m_pOwner->SetItemChecked(pItem, FALSE); - } else { - m_pOwner->SetItemChecked(pItem, TRUE); - } - m_pOwner->Update(); - } - } - m_pOwner->SetFocusItem(pItem); - m_pOwner->ScrollToVisible(pItem); - 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(nullptr); - 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: { - IFWL_ListItem* pItem = m_pOwner->GetFocusedItem(); - pItem = m_pOwner->GetItem(pItem, dwKeyCode); - FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift; - FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl; - OnVK(pItem, bShift, bCtrl); - DispatchSelChangedEv(); - m_pOwner->ProcessSelChanged(); - break; - } - default: {} - } -} -void CFWL_ListBoxImpDelegate::OnVK(IFWL_ListItem* pItem, - FX_BOOL bShift, - FX_BOOL bCtrl) { - if (!pItem) { - 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, pItem, TRUE); - } else { - m_pOwner->SetSelectionDirect(pItem, TRUE); - } - } else { - m_pOwner->SetSelection(pItem, pItem, TRUE); - m_pOwner->m_hAnchor = pItem; - } - } else { - m_pOwner->SetSelection(pItem, pItem, TRUE); - } - m_pOwner->SetFocusItem(pItem); - m_pOwner->ScrollToVisible(pItem); - { - 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); -} |