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Unified Diff: xfa/src/fwl/src/basewidget/fwl_listboximp.cpp

Issue 1636873004: XFA: Fix DOS newlines (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: All of them Created 4 years, 11 months ago
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Index: xfa/src/fwl/src/basewidget/fwl_listboximp.cpp
diff --git a/xfa/src/fwl/src/basewidget/fwl_listboximp.cpp b/xfa/src/fwl/src/basewidget/fwl_listboximp.cpp
index 9e42d56f74bbfd0f71eb328bb7c11295837b34f0..2631e045e0be81e10dbae23e22dcf2f87da666c9 100644
--- a/xfa/src/fwl/src/basewidget/fwl_listboximp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_listboximp.cpp
@@ -1,1240 +1,1240 @@
-// 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(&param);
-}
-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(&param);
- }
- {
- 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(&param);
- }
- }
- 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(&param);
- }
- 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);
-}
+// 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(&param);
+}
+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(&param);
+ }
+ {
+ 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(&param);
+ }
+ }
+ 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(&param);
+ }
+ 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);
+}
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