diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_listbox.cpp')
| -rw-r--r-- | xfa/fwl/core/ifwl_listbox.cpp | 295 |
1 files changed, 176 insertions, 119 deletions
diff --git a/xfa/fwl/core/ifwl_listbox.cpp b/xfa/fwl/core/ifwl_listbox.cpp index d45bdd9c36..2961732024 100644 --- a/xfa/fwl/core/ifwl_listbox.cpp +++ b/xfa/fwl/core/ifwl_listbox.cpp @@ -11,6 +11,7 @@ #include <utility> #include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" #include "xfa/fde/tto/fde_textout.h" #include "xfa/fwl/core/cfwl_app.h" #include "xfa/fwl/core/cfwl_msgkey.h" @@ -146,19 +147,14 @@ void IFWL_ListBox::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { } int32_t IFWL_ListBox::CountSelItems() { - if (!m_pProperties->m_pDataProvider) - return 0; - int32_t iRet = 0; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); + CFWL_ListItem* pItem = GetItem(this, i); if (!pItem) continue; - uint32_t dwStyle = pData->GetItemStyles(this, pItem); + uint32_t dwStyle = GetItemStyles(this, pItem); if (dwStyle & FWL_ITEMSTATE_LTB_Selected) iRet++; } @@ -169,25 +165,18 @@ CFWL_ListItem* IFWL_ListBox::GetSelItem(int32_t nIndexSel) { int32_t idx = GetSelIndex(nIndexSel); if (idx < 0) return nullptr; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - return pData->GetItem(this, idx); + return GetItem(this, idx); } int32_t IFWL_ListBox::GetSelIndex(int32_t nIndex) { - if (!m_pProperties->m_pDataProvider) - return -1; - int32_t index = 0; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); + CFWL_ListItem* pItem = GetItem(this, i); if (!pItem) return -1; - uint32_t dwStyle = pData->GetItemStyles(this, pItem); + uint32_t dwStyle = GetItemStyles(this, pItem); if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { if (index == nIndex) return i; @@ -198,8 +187,6 @@ int32_t IFWL_ListBox::GetSelIndex(int32_t nIndex) { } void IFWL_ListBox::SetSelItem(CFWL_ListItem* pItem, bool bSelect) { - if (!m_pProperties->m_pDataProvider) - return; if (!pItem) { if (bSelect) { SelectAll(); @@ -217,15 +204,9 @@ void IFWL_ListBox::SetSelItem(CFWL_ListItem* pItem, bool bSelect) { void IFWL_ListBox::GetDataProviderItemText(CFWL_ListItem* pItem, CFX_WideString& wsText) { - if (!m_pProperties->m_pDataProvider) - return; - - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); if (!pItem) return; - - pData->GetItemText(this, pItem, wsText); + GetItemText(this, pItem, wsText); } CFWL_ListItem* IFWL_ListBox::GetListItem(CFWL_ListItem* pItem, @@ -239,20 +220,17 @@ CFWL_ListItem* IFWL_ListBox::GetListItem(CFWL_ListItem* pItem, const bool bUp = dwKeyCode == FWL_VKEY_Up; const bool bDown = dwKeyCode == FWL_VKEY_Down; const bool bHome = dwKeyCode == FWL_VKEY_Home; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>( - m_pProperties->m_pDataProvider); int32_t iDstItem = -1; if (bUp || bDown) { - int32_t index = pData->GetItemIndex(this, pItem); + int32_t index = GetItemIndex(this, pItem); iDstItem = dwKeyCode == FWL_VKEY_Up ? index - 1 : index + 1; } else if (bHome) { iDstItem = 0; } else { - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); iDstItem = iCount - 1; } - hRet = pData->GetItem(this, iDstItem); + hRet = GetItem(this, iDstItem); break; } default: @@ -264,52 +242,44 @@ CFWL_ListItem* IFWL_ListBox::GetListItem(CFWL_ListItem* pItem, void IFWL_ListBox::SetSelection(CFWL_ListItem* hStart, CFWL_ListItem* hEnd, bool bSelected) { - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iStart = pData->GetItemIndex(this, hStart); - int32_t iEnd = pData->GetItemIndex(this, hEnd); + int32_t iStart = GetItemIndex(this, hStart); + int32_t iEnd = GetItemIndex(this, hEnd); if (iStart > iEnd) { int32_t iTemp = iStart; iStart = iEnd; iEnd = iTemp; } if (bSelected) { - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); + CFWL_ListItem* pItem = GetItem(this, i); SetSelectionDirect(pItem, false); } } for (; iStart <= iEnd; iStart++) { - CFWL_ListItem* pItem = pData->GetItem(this, iStart); + CFWL_ListItem* pItem = GetItem(this, iStart); SetSelectionDirect(pItem, bSelected); } } void IFWL_ListBox::SetSelectionDirect(CFWL_ListItem* pItem, bool bSelect) { - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - uint32_t dwOldStyle = pData->GetItemStyles(this, pItem); + uint32_t dwOldStyle = GetItemStyles(this, pItem); bSelect ? dwOldStyle |= FWL_ITEMSTATE_LTB_Selected : dwOldStyle &= ~FWL_ITEMSTATE_LTB_Selected; - pData->SetItemStyles(this, pItem, dwOldStyle); + SetItemStyles(this, pItem, dwOldStyle); } bool IFWL_ListBox::IsItemSelected(CFWL_ListItem* pItem) { - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - uint32_t dwState = pData->GetItemStyles(this, pItem); + uint32_t dwState = GetItemStyles(this, pItem); return (dwState & FWL_ITEMSTATE_LTB_Selected) != 0; } void IFWL_ListBox::ClearSelection() { bool bMulti = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); - uint32_t dwState = pData->GetItemStyles(this, pItem); + CFWL_ListItem* pItem = GetItem(this, i); + uint32_t dwState = GetItemStyles(this, pItem); if (!(dwState & FWL_ITEMSTATE_LTB_Selected)) continue; SetSelectionDirect(pItem, false); @@ -322,47 +292,41 @@ void IFWL_ListBox::SelectAll() { if (!m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) return; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); if (iCount <= 0) return; - CFWL_ListItem* pItemStart = pData->GetItem(this, 0); - CFWL_ListItem* pItemEnd = pData->GetItem(this, iCount - 1); + CFWL_ListItem* pItemStart = GetItem(this, 0); + CFWL_ListItem* pItemEnd = GetItem(this, iCount - 1); SetSelection(pItemStart, pItemEnd, false); } CFWL_ListItem* IFWL_ListBox::GetFocusedItem() { - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); + CFWL_ListItem* pItem = GetItem(this, i); if (!pItem) return nullptr; - if (pData->GetItemStyles(this, pItem) & FWL_ITEMSTATE_LTB_Focused) + if (GetItemStyles(this, pItem) & FWL_ITEMSTATE_LTB_Focused) return pItem; } return nullptr; } void IFWL_ListBox::SetFocusItem(CFWL_ListItem* pItem) { - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); CFWL_ListItem* hFocus = GetFocusedItem(); if (pItem == hFocus) return; if (hFocus) { - uint32_t dwStyle = pData->GetItemStyles(this, hFocus); + uint32_t dwStyle = GetItemStyles(this, hFocus); dwStyle &= ~FWL_ITEMSTATE_LTB_Focused; - pData->SetItemStyles(this, hFocus, dwStyle); + SetItemStyles(this, hFocus, dwStyle); } if (pItem) { - uint32_t dwStyle = pData->GetItemStyles(this, pItem); + uint32_t dwStyle = GetItemStyles(this, pItem); dwStyle |= FWL_ITEMSTATE_LTB_Focused; - pData->SetItemStyles(this, pItem, dwStyle); + SetItemStyles(this, pItem, dwStyle); } } @@ -376,16 +340,14 @@ CFWL_ListItem* IFWL_ListBox::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) { if (m_pVertScrollBar) fPosY = m_pVertScrollBar->GetPos(); - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t nCount = pData->CountItems(this); + int32_t nCount = CountItems(this); for (int32_t i = 0; i < nCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); + CFWL_ListItem* pItem = GetItem(this, i); if (!pItem) continue; CFX_RectF rtItem; - pData->GetItemRect(this, pItem, rtItem); + GetItemRect(this, pItem, rtItem); rtItem.Offset(-fPosX, -fPosY); if (rtItem.Contains(fx, fy)) return pItem; @@ -395,38 +357,23 @@ CFWL_ListItem* IFWL_ListBox::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) { bool IFWL_ListBox::GetItemCheckRectInternal(CFWL_ListItem* pItem, CFX_RectF& rtCheck) { - if (!m_pProperties->m_pDataProvider) - return false; if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) return false; - - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - pData->GetItemCheckRect(this, pItem, rtCheck); + GetItemCheckRect(this, pItem, rtCheck); return true; } bool IFWL_ListBox::GetItemChecked(CFWL_ListItem* pItem) { - if (!m_pProperties->m_pDataProvider) - return false; if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) return false; - - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - return !!(pData->GetItemCheckState(this, pItem) & FWL_ITEMSTATE_LTB_Checked); + return !!(GetItemCheckState(this, pItem) & FWL_ITEMSTATE_LTB_Checked); } bool IFWL_ListBox::SetItemChecked(CFWL_ListItem* pItem, bool bChecked) { - if (!m_pProperties->m_pDataProvider) - return false; if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) return false; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - pData->SetItemCheckState(this, pItem, - bChecked ? FWL_ITEMSTATE_LTB_Checked : 0); + SetItemCheckState(this, pItem, bChecked ? FWL_ITEMSTATE_LTB_Checked : 0); return true; } @@ -435,9 +382,7 @@ bool IFWL_ListBox::ScrollToVisible(CFWL_ListItem* pItem) { return false; CFX_RectF rtItem; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - pData->GetItemRect(this, pItem, rtItem); + GetItemRect(this, pItem, rtItem); bool bScroll = false; FX_FLOAT fPosY = m_pVertScrollBar->GetPos(); @@ -500,16 +445,14 @@ void IFWL_ListBox::DrawItems(CFX_Graphics* pGraphics, bool bMultiCol = !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn); - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); + CFWL_ListItem* pItem = GetItem(this, i); if (!pItem) continue; CFX_RectF rtItem; - pData->GetItemRect(this, pItem, rtItem); + GetItemRect(this, pItem, rtItem); rtItem.Offset(m_rtConent.left - fPosX, m_rtConent.top - fPosY); if (rtItem.bottom() < m_rtConent.top) continue; @@ -529,9 +472,7 @@ void IFWL_ListBox::DrawItem(CFX_Graphics* pGraphics, int32_t Index, const CFX_RectF& rtItem, const CFX_Matrix* pMatrix) { - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - uint32_t dwItemStyles = pData->GetItemStyles(this, pItem); + uint32_t dwItemStyles = GetItemStyles(this, pItem); uint32_t dwPartStates = CFWL_PartState_Normal; if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) dwPartStates = CFWL_PartState_Disabled; @@ -564,7 +505,7 @@ void IFWL_ListBox::DrawItem(CFX_Graphics* pGraphics, bool bHasIcon = !!(GetStylesEx() & FWL_STYLEEXT_LTB_Icon); if (bHasIcon) { CFX_RectF rtDIB; - CFX_DIBitmap* pDib = pData->GetItemIcon(this, pItem); + CFX_DIBitmap* pDib = GetItemIcon(this, pItem); rtDIB.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); if (pDib) { CFWL_ThemeBackground param; @@ -584,7 +525,7 @@ void IFWL_ListBox::DrawItem(CFX_Graphics* pGraphics, CFX_RectF rtCheck; rtCheck.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); rtCheck.Deflate(2, 2, 2, 2); - pData->SetItemCheckRect(this, pItem, rtCheck); + SetItemCheckRect(this, pItem, rtCheck); CFWL_ThemeBackground param; param.m_pWidget = this; param.m_iPart = CFWL_Part::Check; @@ -600,7 +541,7 @@ void IFWL_ListBox::DrawItem(CFX_Graphics* pGraphics, } CFX_WideString wsText; - pData->GetItemText(this, pItem, wsText); + GetItemText(this, pItem, wsText); if (wsText.GetLength() <= 0) return; @@ -649,15 +590,13 @@ CFX_SizeF IFWL_ListBox::CalcSize(bool bAutoSize) { fWidth = std::max(fWidth, fActualWidth); } - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); m_fItemHeight = CalcItemHeight(); if ((GetStylesEx() & FWL_STYLEEXT_LTB_Icon)) fWidth += m_fItemHeight; - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* htem = pData->GetItem(this, i); + CFWL_ListItem* htem = GetItem(this, i); GetItemSize(fs, htem, fWidth, m_fItemHeight, bAutoSize); } if (bAutoSize) @@ -762,10 +701,7 @@ void IFWL_ListBox::GetItemSize(CFX_SizeF& size, if (!bAutoSize) { CFX_RectF rtItem; rtItem.Set(0, size.y, fWidth, fItemHeight); - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>( - m_pProperties->m_pDataProvider); - pData->SetItemRect(this, pItem, rtItem); + SetItemRect(this, pItem, rtItem); } size.x = fWidth; size.y += fItemHeight; @@ -773,16 +709,14 @@ void IFWL_ListBox::GetItemSize(CFX_SizeF& size, FX_FLOAT IFWL_ListBox::GetMaxTextWidth() { FX_FLOAT fRet = 0.0f; - IFWL_ListBox::DataProvider* pData = - static_cast<IFWL_ListBox::DataProvider*>(m_pProperties->m_pDataProvider); - int32_t iCount = pData->CountItems(this); + int32_t iCount = CountItems(this); for (int32_t i = 0; i < iCount; i++) { - CFWL_ListItem* pItem = pData->GetItem(this, i); + CFWL_ListItem* pItem = GetItem(this, i); if (!pItem) continue; CFX_WideString wsText; - pData->GetItemText(this, pItem, wsText); + GetItemText(this, pItem, wsText); CFX_SizeF sz = CalcTextSize(wsText, m_pProperties->m_pThemeProvider); fRet = std::max(fRet, sz.x); } @@ -1067,3 +1001,126 @@ bool IFWL_ListBox::OnScroll(IFWL_ScrollBar* pScrollBar, } return true; } + +void IFWL_ListBox::GetItemText(IFWL_Widget* pWidget, + CFWL_ListItem* pItem, + CFX_WideString& wsText) { + if (pItem) + wsText = static_cast<CFWL_ListItem*>(pItem)->m_wsText; +} + +int32_t IFWL_ListBox::CountItems(const IFWL_Widget* pWidget) const { + return pdfium::CollectionSize<int32_t>(m_ItemArray); +} + +CFWL_ListItem* IFWL_ListBox::GetItem(const IFWL_Widget* pWidget, + int32_t nIndex) const { + if (nIndex < 0 || nIndex >= CountItems(pWidget)) + return nullptr; + return m_ItemArray[nIndex].get(); +} + +int32_t IFWL_ListBox::GetItemIndex(IFWL_Widget* pWidget, CFWL_ListItem* pItem) { + auto it = std::find_if( + m_ItemArray.begin(), m_ItemArray.end(), + [pItem](const std::unique_ptr<CFWL_ListItem>& candidate) { + return candidate.get() == static_cast<CFWL_ListItem*>(pItem); + }); + return it != m_ItemArray.end() ? it - m_ItemArray.begin() : -1; +} + +uint32_t IFWL_ListBox::GetItemStyles(IFWL_Widget* pWidget, + CFWL_ListItem* pItem) { + return pItem ? static_cast<CFWL_ListItem*>(pItem)->m_dwStates : 0; +} + +void IFWL_ListBox::GetItemRect(IFWL_Widget* pWidget, + CFWL_ListItem* pItem, + CFX_RectF& rtItem) { + if (pItem) + rtItem = static_cast<CFWL_ListItem*>(pItem)->m_rtItem; +} + +void* IFWL_ListBox::GetItemData(IFWL_Widget* pWidget, CFWL_ListItem* pItem) { + return pItem ? static_cast<CFWL_ListItem*>(pItem)->m_pData : nullptr; +} + +void IFWL_ListBox::SetItemStyles(IFWL_Widget* pWidget, + CFWL_ListItem* pItem, + uint32_t dwStyle) { + if (pItem) + static_cast<CFWL_ListItem*>(pItem)->m_dwStates = dwStyle; +} + +void IFWL_ListBox::SetItemRect(IFWL_Widget* pWidget, + CFWL_ListItem* pItem, + const CFX_RectF& rtItem) { + if (pItem) + static_cast<CFWL_ListItem*>(pItem)->m_rtItem = rtItem; +} + +CFX_DIBitmap* IFWL_ListBox::GetItemIcon(IFWL_Widget* pWidget, + CFWL_ListItem* pItem) { + return static_cast<CFWL_ListItem*>(pItem)->m_pDIB; +} + +void IFWL_ListBox::GetItemCheckRect(IFWL_Widget* pWidget, + CFWL_ListItem* pItem, + CFX_RectF& rtCheck) { + rtCheck = static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox; +} + +void IFWL_ListBox::SetItemCheckRect(IFWL_Widget* pWidget, + CFWL_ListItem* pItem, + const CFX_RectF& rtCheck) { + static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox = rtCheck; +} + +uint32_t IFWL_ListBox::GetItemCheckState(IFWL_Widget* pWidget, + CFWL_ListItem* pItem) { + return static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState; +} + +void IFWL_ListBox::SetItemCheckState(IFWL_Widget* pWidget, + CFWL_ListItem* pItem, + uint32_t dwCheckState) { + static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState = dwCheckState; +} + +CFWL_ListItem* IFWL_ListBox::AddString(const CFX_WideStringC& wsAdd, + bool bSelect) { + auto pItem = pdfium::MakeUnique<CFWL_ListItem>(); + pItem->m_dwStates = 0; + pItem->m_wsText = wsAdd; + pItem->m_dwStates = bSelect ? FWL_ITEMSTATE_LTB_Selected : 0; + m_ItemArray.push_back(std::move(pItem)); + return m_ItemArray.back().get(); +} + +bool IFWL_ListBox::RemoveAt(int32_t iIndex) { + if (iIndex < 0 || static_cast<size_t>(iIndex) >= m_ItemArray.size()) + return false; + + m_ItemArray.erase(m_ItemArray.begin() + iIndex); + return true; +} + +bool IFWL_ListBox::DeleteString(CFWL_ListItem* pItem) { + int32_t nIndex = GetItemIndex(this, pItem); + if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ItemArray.size()) + return false; + + int32_t iSel = nIndex + 1; + if (iSel >= CountItems(this)) + iSel = nIndex - 1; + if (iSel >= 0) { + CFWL_ListItem* pSel = static_cast<CFWL_ListItem*>(GetItem(this, iSel)); + pSel->m_dwStates |= FWL_ITEMSTATE_LTB_Selected; + } + m_ItemArray.erase(m_ItemArray.begin() + nIndex); + return true; +} + +void IFWL_ListBox::DeleteAll() { + m_ItemArray.clear(); +} |