// 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/src/foxitlib.h" | |
#include "xfa/src/fwl/src/core/include/fwl_targetimp.h" | |
#include "xfa/src/fwl/src/core/include/fwl_noteimp.h" | |
#include "xfa/src/fwl/src/core/include/fwl_widgetimp.h" | |
#include "xfa/src/fwl/src/basewidget/include/fwl_scrollbarimp.h" | |
#include "xfa/src/fwl/src/basewidget/include/fwl_listboximp.h" | |
#include "xfa/src/fwl/src/basewidget/include/fwl_comboboximp.h" | |
#define FWL_LISTBOX_ItemTextMargin 2 | |
// 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_ERR IFWL_ListBox::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) { | |
return static_cast<CFWL_ListBoxImp*>(GetImpl())->SetSelItem(hItem, bSelect); | |
} | |
FWL_ERR IFWL_ListBox::GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText) { | |
return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetItemText(hItem, wsText); | |
} | |
FWL_ERR IFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { | |
return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetScrollPos(fPos, bVert); | |
} | |
FWL_ERR* IFWL_ListBox::Sort(IFWL_ListBoxCompare* pCom) { | |
return static_cast<CFWL_ListBoxImp*>(GetImpl())->Sort(pCom); | |
} | |
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_ERR CFWL_ListBoxImp::GetClassName(CFX_WideString& wsClass) const { | |
wsClass = FWL_CLASS_ListBox; | |
return FWL_ERR_Succeeded; | |
} | |
FX_DWORD CFWL_ListBoxImp::GetClassID() const { | |
return FWL_CLASSHASH_ListBox; | |
} | |
FWL_ERR CFWL_ListBoxImp::Initialize() { | |
if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded) | |
return FWL_ERR_Indefinite; | |
m_pDelegate = new CFWL_ListBoxImpDelegate(this); | |
return FWL_ERR_Succeeded; | |
} | |
FWL_ERR 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_ERR 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_ERR_Succeeded; | |
} | |
FWL_ERR CFWL_ListBoxImp::Update() { | |
if (IsLocked()) { | |
return FWL_ERR_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(); | |
SortItem(); | |
CalcSize(); | |
return FWL_ERR_Succeeded; | |
} | |
FX_DWORD 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_WGTHITTEST_HScrollBar; | |
} | |
} | |
if (IsShowScrollBar(TRUE)) { | |
CFX_RectF rect; | |
m_pVertScrollBar->GetWidgetRect(rect); | |
if (rect.Contains(fx, fy)) { | |
return FWL_WGTHITTEST_VScrollBar; | |
} | |
} | |
if (m_rtClient.Contains(fx, fy)) { | |
return FWL_WGTHITTEST_Client; | |
} | |
return FWL_WGTHITTEST_Unknown; | |
} | |
FWL_ERR CFWL_ListBoxImp::DrawWidget(CFX_Graphics* pGraphics, | |
const CFX_Matrix* pMatrix) { | |
if (!pGraphics) | |
return FWL_ERR_Indefinite; | |
if (!m_pProperties->m_pThemeProvider) | |
return FWL_ERR_Indefinite; | |
IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
pGraphics->SaveGraphState(); | |
if (HasBorder()) { | |
DrawBorder(pGraphics, FWL_PART_LTB_Border, pTheme, pMatrix); | |
} | |
if (HasEdge()) { | |
DrawEdge(pGraphics, FWL_PART_LTB_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_ERR_Succeeded; | |
} | |
FWL_ERR CFWL_ListBoxImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { | |
if (!pThemeProvider) | |
return FWL_ERR_Indefinite; | |
if (!pThemeProvider->IsValidWidget(m_pInterface)) { | |
m_pScrollBarTP = pThemeProvider; | |
return FWL_ERR_Succeeded; | |
} | |
m_pProperties->m_pThemeProvider = pThemeProvider; | |
return FWL_ERR_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; | |
} | |
FX_DWORD 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; | |
} | |
FX_DWORD 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; | |
} | |
FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem); | |
if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { | |
if (index == nIndex) { | |
return i; | |
} else { | |
index++; | |
} | |
} | |
} | |
return -1; | |
} | |
FWL_ERR CFWL_ListBoxImp::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) { | |
if (!m_pProperties->m_pDataProvider) | |
return FWL_ERR_Indefinite; | |
if (!hItem) { | |
if (bSelect) { | |
SelectAll(); | |
} else { | |
ClearSelection(); | |
SetFocusItem(NULL); | |
} | |
return FWL_ERR_Indefinite; | |
} | |
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) { | |
SetSelectionDirect(hItem, bSelect); | |
} else { | |
SetSelection(hItem, hItem, bSelect); | |
} | |
return FWL_ERR_Succeeded; | |
} | |
FWL_ERR CFWL_ListBoxImp::GetItemText(FWL_HLISTITEM hItem, | |
CFX_WideString& wsText) { | |
if (!m_pProperties->m_pDataProvider) | |
return FWL_ERR_Indefinite; | |
IFWL_ListBoxDP* pData = | |
static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
if (!hItem) | |
return FWL_ERR_Indefinite; | |
pData->GetItemText(m_pInterface, hItem, wsText); | |
return FWL_ERR_Succeeded; | |
} | |
FWL_ERR 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_ERR_Succeeded; | |
} | |
return FWL_ERR_Indefinite; | |
} | |
FWL_ERR* CFWL_ListBoxImp::Sort(IFWL_ListBoxCompare* pCom) { | |
FWL_HLISTITEM hTemp; | |
IFWL_ListBoxDP* pData = | |
static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
int32_t sz = pData->CountItems(m_pInterface); | |
for (int32_t i = 0; i < sz - 1; i++) { | |
for (int32_t j = i + 1; j < sz; j++) { | |
if (pCom->Compare(pData->GetItem(m_pInterface, i), | |
pData->GetItem(m_pInterface, j)) > 0) { | |
hTemp = pData->GetItem(m_pInterface, i); | |
pData->SetItemIndex(m_pInterface, pData->GetItem(m_pInterface, j), i); | |
pData->SetItemIndex(m_pInterface, hTemp, j); | |
} | |
} | |
} | |
return FWL_ERR_Succeeded; | |
} | |
FWL_HLISTITEM CFWL_ListBoxImp::GetItem(FWL_HLISTITEM hItem, | |
FX_DWORD dwKeyCode) { | |
FWL_HLISTITEM hRet = NULL; | |
switch (dwKeyCode) { | |
case FWL_VKEY_Up: | |
case FWL_VKEY_Down: | |
case FWL_VKEY_Home: | |
case FWL_VKEY_End: { | |
FX_BOOL bUp = dwKeyCode == FWL_VKEY_Up; | |
FX_BOOL bDown = dwKeyCode == FWL_VKEY_Down; | |
FX_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); | |
FX_DWORD 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); | |
FX_DWORD 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); | |
FX_DWORD dwState = pData->GetItemStyles(m_pInterface, hItem); | |
FX_BOOL bFindSel = dwState & FWL_ITEMSTATE_LTB_Selected; | |
if (!bFindSel) { | |
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) { | |
FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hFocus); | |
dwStyle &= ~FWL_ITEMSTATE_LTB_Focused; | |
pData->SetItemStyles(m_pInterface, hFocus, dwStyle); | |
} | |
if (hItem) { | |
FX_DWORD 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 = FWL_PART_LTB_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 = FWL_PARTSTATE_LTB_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); | |
FX_DWORD dwItemStyles = pData->GetItemStyles(m_pInterface, hItem); | |
FX_DWORD dwPartStates = FWL_PARTSTATE_LTB_Normal; | |
if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { | |
dwPartStates = FWL_PARTSTATE_LTB_Disabled; | |
} else if (dwItemStyles & FWL_ITEMSTATE_LTB_Selected) { | |
dwPartStates = FWL_PARTSTATE_LTB_Selected; | |
} | |
if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && | |
dwItemStyles & FWL_ITEMSTATE_LTB_Focused) { | |
dwPartStates |= FWL_PARTSTATE_LTB_Focused; | |
} | |
FWL_ListBoxItemData itemData; | |
itemData.pDataProvider = pData; | |
itemData.iIndex = Index; | |
{ | |
CFWL_ThemeBackground param; | |
param.m_pWidget = m_pInterface; | |
param.m_iPart = FWL_PART_LTB_ListItem; | |
param.m_dwStates = dwPartStates; | |
param.m_pGraphics = pGraphics; | |
param.m_matrix.Concat(*pMatrix); | |
param.m_rtPart = rtItem; | |
param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
CFX_RectF rtFocus(rtItem); | |
param.m_pData = &rtFocus; | |
if (m_pVertScrollBar && !m_pHorzScrollBar && | |
(dwPartStates & FWL_PARTSTATE_LTB_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 = FWL_PART_LTB_Icon; | |
param.m_pGraphics = pGraphics; | |
param.m_matrix.Concat(*pMatrix); | |
param.m_rtPart = rtDIB; | |
param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
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 = FWL_PART_LTB_Check; | |
param.m_pGraphics = pGraphics; | |
if (GetItemChecked(hItem)) { | |
param.m_dwStates = FWL_PARTSTATE_LTB_Checked; | |
} else { | |
param.m_dwStates = FWL_PARTSTATE_LTB_UnChecked; | |
} | |
param.m_matrix.Concat(*pMatrix); | |
param.m_rtPart = rtCheck; | |
param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
pTheme->DrawBackground(¶m); | |
} | |
CFX_WideString wsText; | |
pData->GetItemText(m_pInterface, hItem, wsText); | |
if (wsText.GetLength() <= 0) { | |
return; | |
} | |
CFX_RectF rtText(rtItem); | |
rtText.Deflate(FWL_LISTBOX_ItemTextMargin, FWL_LISTBOX_ItemTextMargin); | |
if (bHasIcon || bHasCheck) { | |
rtText.Deflate(rtItem.height, 0, 0, 0); | |
} | |
CFWL_ThemeText textParam; | |
textParam.m_pWidget = m_pInterface; | |
textParam.m_iPart = FWL_PART_LTB_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_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
pTheme->DrawText(&textParam); | |
} | |
} | |
CFX_SizeF CFWL_ListBoxImp::CalcSize(FX_BOOL bAutoSize) { | |
CFX_SizeF fs; | |
fs.Set(0, 0); | |
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(FWL_WGTCAPACITY_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 = FWL_PART_LTB_ListItem; | |
itemPart.m_pData = m_pProperties->m_pDataProvider; | |
itemPart.m_dwData = i; | |
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 * FWL_LISTBOX_ItemTextMargin; | |
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(FWL_WGTCAPACITY_ScrollBarWidth)); | |
if (!pfWidth) | |
return 0; | |
return *pfWidth; | |
} | |
FX_FLOAT CFWL_ListBoxImp::GetItemHeigt() { | |
FX_FLOAT* pfFont = | |
static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_FontSize)); | |
if (!pfFont) | |
return 20; | |
return *pfFont + 2 * FWL_LISTBOX_ItemTextMargin; | |
} | |
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); | |
} | |
void CFWL_ListBoxImp::SortItem() {} | |
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) {} | |
int32_t CFWL_ListBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { | |
if (!pMessage) | |
return 0; | |
if (!m_pOwner->IsEnabled()) { | |
return 1; | |
} | |
FX_DWORD dwMsgCode = pMessage->GetClassID(); | |
int32_t iRet = 1; | |
switch (dwMsgCode) { | |
case FWL_MSGHASH_SetFocus: | |
case FWL_MSGHASH_KillFocus: { | |
OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus); | |
break; | |
} | |
case FWL_MSGHASH_Mouse: { | |
CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
FX_DWORD dwCmd = pMsg->m_dwCmd; | |
switch (dwCmd) { | |
case FWL_MSGMOUSECMD_LButtonDown: { | |
OnLButtonDown(pMsg); | |
break; | |
} | |
case FWL_MSGMOUSECMD_LButtonUp: { | |
OnLButtonUp(pMsg); | |
break; | |
} | |
default: {} | |
} | |
break; | |
} | |
case FWL_MSGHASH_MouseWheel: { | |
OnMouseWheel(static_cast<CFWL_MsgMouseWheel*>(pMessage)); | |
break; | |
} | |
case FWL_MSGHASH_Key: { | |
CFWL_MsgKey* pMsg = static_cast<CFWL_MsgKey*>(pMessage); | |
if (pMsg->m_dwCmd == FWL_MSGKEYCMD_KeyDown) | |
OnKeyDown(pMsg); | |
break; | |
} | |
default: { iRet = 0; } | |
} | |
CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); | |
return iRet; | |
} | |
FWL_ERR CFWL_ListBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) { | |
if (!pEvent) | |
return FWL_ERR_Indefinite; | |
if (pEvent->GetClassID() != FWL_EVTHASH_Scroll) { | |
return FWL_ERR_Succeeded; | |
} | |
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); | |
} | |
return FWL_ERR_Succeeded; | |
} | |
FWL_ERR CFWL_ListBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, | |
const CFX_Matrix* pMatrix) { | |
return 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) { | |
FX_DWORD 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, | |
FX_DWORD 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); | |
} |