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Unified Diff: xfa/fwl/core/ifwl_combobox.cpp

Issue 2524173002: Merge IFWL and CFWL classes. (Closed)
Patch Set: make chrome build happy Created 4 years, 1 month ago
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Index: xfa/fwl/core/ifwl_combobox.cpp
diff --git a/xfa/fwl/core/ifwl_combobox.cpp b/xfa/fwl/core/ifwl_combobox.cpp
deleted file mode 100644
index 07fa64c43ae91ef0b3beb13e980d60e90197ce85..0000000000000000000000000000000000000000
--- a/xfa/fwl/core/ifwl_combobox.cpp
+++ /dev/null
@@ -1,1130 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fwl/core/ifwl_combobox.h"
-
-#include <algorithm>
-#include <memory>
-#include <utility>
-
-#include "third_party/base/ptr_util.h"
-#include "xfa/fde/cfde_txtedtengine.h"
-#include "xfa/fde/tto/fde_textout.h"
-#include "xfa/fwl/core/cfwl_app.h"
-#include "xfa/fwl/core/cfwl_evteditchanged.h"
-#include "xfa/fwl/core/cfwl_evtpostdropdown.h"
-#include "xfa/fwl/core/cfwl_evtpredropdown.h"
-#include "xfa/fwl/core/cfwl_evtselectchanged.h"
-#include "xfa/fwl/core/cfwl_evttextchanged.h"
-#include "xfa/fwl/core/cfwl_formproxy.h"
-#include "xfa/fwl/core/cfwl_msgkey.h"
-#include "xfa/fwl/core/cfwl_msgkillfocus.h"
-#include "xfa/fwl/core/cfwl_msgmouse.h"
-#include "xfa/fwl/core/cfwl_msgsetfocus.h"
-#include "xfa/fwl/core/cfwl_notedriver.h"
-#include "xfa/fwl/core/cfwl_themebackground.h"
-#include "xfa/fwl/core/cfwl_themepart.h"
-#include "xfa/fwl/core/cfwl_themetext.h"
-#include "xfa/fwl/core/cfwl_widgetmgr.h"
-#include "xfa/fwl/core/ifwl_listbox.h"
-#include "xfa/fwl/core/ifwl_themeprovider.h"
-
-IFWL_ComboBox::IFWL_ComboBox(const CFWL_App* app,
- std::unique_ptr<CFWL_WidgetProperties> properties)
- : IFWL_Widget(app, std::move(properties), nullptr),
- m_pComboBoxProxy(nullptr),
- m_bLButtonDown(false),
- m_iCurSel(-1),
- m_iBtnState(CFWL_PartState_Normal),
- m_fComboFormHandler(0) {
- m_rtClient.Reset();
- m_rtBtn.Reset();
- m_rtHandler.Reset();
-
- if (m_pWidgetMgr->IsFormDisabled()) {
- DisForm_InitComboList();
- DisForm_InitComboEdit();
- return;
- }
-
- auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
- prop->m_pThemeProvider = m_pProperties->m_pThemeProvider;
- prop->m_dwStyles |= FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll;
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemIconText)
- prop->m_dwStyleExes |= FWL_STYLEEXT_LTB_Icon;
- m_pListBox =
- pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this);
-
- if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown) && !m_pEdit) {
- m_pEdit.reset(new CFWL_ComboEdit(
- m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), this));
- m_pEdit->SetOuter(this);
- }
- if (m_pEdit)
- m_pEdit->SetParent(this);
-
- SetStates(m_pProperties->m_dwStates);
-}
-
-IFWL_ComboBox::~IFWL_ComboBox() {}
-
-FWL_Type IFWL_ComboBox::GetClassID() const {
- return FWL_Type::ComboBox;
-}
-
-void IFWL_ComboBox::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
- if (!bAutoSize) {
- rect = m_pProperties->m_rtWidget;
- return;
- }
-
- rect.Reset();
- if (IsDropDownStyle() && m_pEdit) {
- m_pEdit->GetWidgetRect(rect, true);
- } else {
- rect.width = 100;
- rect.height = 16;
- }
- if (!m_pProperties->m_pThemeProvider)
- ResetTheme();
-
- FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>(
- GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
- if (!pFWidth)
- return;
-
- rect.Inflate(0, 0, *pFWidth, 0);
- IFWL_Widget::GetWidgetRect(rect, true);
-}
-
-void IFWL_ComboBox::AddString(const CFX_WideStringC& wsText) {
- m_pListBox->AddString(wsText);
-}
-
-bool IFWL_ComboBox::RemoveAt(int32_t iIndex) {
- return m_pListBox->RemoveAt(iIndex);
-}
-
-void IFWL_ComboBox::RemoveAll() {
- m_pListBox->DeleteAll();
-}
-
-void IFWL_ComboBox::ModifyStylesEx(uint32_t dwStylesExAdded,
- uint32_t dwStylesExRemoved) {
- if (m_pWidgetMgr->IsFormDisabled()) {
- DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
- return;
- }
-
- bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown);
- bool bRemoveDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown);
- if (bAddDropDown && !m_pEdit) {
- m_pEdit = pdfium::MakeUnique<CFWL_ComboEdit>(
- m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr);
- m_pEdit->SetOuter(this);
- m_pEdit->SetParent(this);
- } else if (bRemoveDropDown && m_pEdit) {
- m_pEdit->SetStates(FWL_WGTSTATE_Invisible, true);
- }
- IFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
-}
-
-void IFWL_ComboBox::Update() {
- if (m_pWidgetMgr->IsFormDisabled()) {
- DisForm_Update();
- return;
- }
- if (IsLocked())
- return;
-
- ResetTheme();
- if (IsDropDownStyle() && m_pEdit)
- ResetEditAlignment();
- if (!m_pProperties->m_pThemeProvider)
- m_pProperties->m_pThemeProvider = GetAvailableTheme();
-
- Layout();
- CFWL_ThemePart part;
- part.m_pWidget = this;
- m_fComboFormHandler =
- *static_cast<FX_FLOAT*>(m_pProperties->m_pThemeProvider->GetCapacity(
- &part, CFWL_WidgetCapacity::ComboFormHandler));
-}
-
-FWL_WidgetHit IFWL_ComboBox::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
- if (m_pWidgetMgr->IsFormDisabled())
- return DisForm_HitTest(fx, fy);
- return IFWL_Widget::HitTest(fx, fy);
-}
-
-void IFWL_ComboBox::DrawWidget(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- if (m_pWidgetMgr->IsFormDisabled()) {
- DisForm_DrawWidget(pGraphics, pMatrix);
- return;
- }
-
- if (!pGraphics)
- return;
- if (!m_pProperties->m_pThemeProvider)
- return;
-
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- if (HasBorder())
- DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
- if (HasEdge())
- DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
-
- if (!IsDropDownStyle()) {
- CFX_RectF rtTextBk(m_rtClient);
- rtTextBk.width -= m_rtBtn.width;
-
- CFWL_ThemeBackground param;
- param.m_pWidget = this;
- param.m_iPart = CFWL_Part::Background;
- param.m_pGraphics = pGraphics;
- if (pMatrix)
- param.m_matrix.Concat(*pMatrix);
- param.m_rtPart = rtTextBk;
-
- if (m_iCurSel >= 0) {
- if (void* p = m_pListBox->GetItemData(
- m_pListBox.get(),
- m_pListBox->GetItem(m_pListBox.get(), m_iCurSel))) {
- param.m_pData = p;
- }
- }
-
- if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
- param.m_dwStates = CFWL_PartState_Disabled;
- } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) &&
- (m_iCurSel >= 0)) {
- param.m_dwStates = CFWL_PartState_Selected;
- } else {
- param.m_dwStates = CFWL_PartState_Normal;
- }
- pTheme->DrawBackground(&param);
-
- if (m_iCurSel >= 0) {
- if (!m_pListBox)
- return;
-
- CFX_WideString wsText;
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel);
- m_pListBox->GetDataProviderItemText(hItem, wsText);
-
- CFWL_ThemeText theme_text;
- theme_text.m_pWidget = this;
- theme_text.m_iPart = CFWL_Part::Caption;
- theme_text.m_dwStates = m_iBtnState;
- theme_text.m_pGraphics = pGraphics;
- theme_text.m_matrix.Concat(*pMatrix);
- theme_text.m_rtPart = rtTextBk;
- theme_text.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
- ? CFWL_PartState_Selected
- : CFWL_PartState_Normal;
- theme_text.m_wsText = wsText;
- theme_text.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
- theme_text.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
- pTheme->DrawText(&theme_text);
- }
- }
-
- CFWL_ThemeBackground param;
- param.m_pWidget = this;
- param.m_iPart = CFWL_Part::DropDownButton;
- param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- ? CFWL_PartState_Disabled
- : m_iBtnState;
- param.m_pGraphics = pGraphics;
- param.m_matrix.Concat(*pMatrix);
- param.m_rtPart = m_rtBtn;
- pTheme->DrawBackground(&param);
-}
-
-void IFWL_ComboBox::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
- if (!pThemeProvider)
- return;
-
- m_pProperties->m_pThemeProvider = pThemeProvider;
- if (m_pListBox)
- m_pListBox->SetThemeProvider(pThemeProvider);
- if (m_pEdit)
- m_pEdit->SetThemeProvider(pThemeProvider);
-}
-
-void IFWL_ComboBox::GetTextByIndex(int32_t iIndex,
- CFX_WideString& wsText) const {
- CFWL_ListItem* pItem = static_cast<CFWL_ListItem*>(
- m_pListBox->GetItem(m_pListBox.get(), iIndex));
- if (pItem)
- wsText = pItem->m_wsText;
-}
-
-void IFWL_ComboBox::SetCurSel(int32_t iSel) {
- int32_t iCount = m_pListBox->CountItems(nullptr);
- bool bClearSel = iSel < 0 || iSel >= iCount;
- if (IsDropDownStyle() && m_pEdit) {
- if (bClearSel) {
- m_pEdit->SetText(CFX_WideString());
- } else {
- CFX_WideString wsText;
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, iSel);
- m_pListBox->GetDataProviderItemText(hItem, wsText);
- m_pEdit->SetText(wsText);
- }
- m_pEdit->Update();
- }
- m_iCurSel = bClearSel ? -1 : iSel;
-}
-
-void IFWL_ComboBox::SetStates(uint32_t dwStates, bool bSet) {
- if (IsDropDownStyle() && m_pEdit)
- m_pEdit->SetStates(dwStates, bSet);
- if (m_pListBox)
- m_pListBox->SetStates(dwStates, bSet);
- IFWL_Widget::SetStates(dwStates, bSet);
-}
-
-void IFWL_ComboBox::SetEditText(const CFX_WideString& wsText) {
- if (!m_pEdit)
- return;
-
- m_pEdit->SetText(wsText);
- m_pEdit->Update();
-}
-
-void IFWL_ComboBox::GetEditText(CFX_WideString& wsText,
- int32_t nStart,
- int32_t nCount) const {
- if (m_pEdit) {
- m_pEdit->GetText(wsText, nStart, nCount);
- return;
- }
- if (!m_pListBox)
- return;
-
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel);
- m_pListBox->GetDataProviderItemText(hItem, wsText);
-}
-
-void IFWL_ComboBox::OpenDropDownList(bool bActivate) {
- ShowDropList(bActivate);
-}
-
-void IFWL_ComboBox::GetBBox(CFX_RectF& rect) const {
- if (m_pWidgetMgr->IsFormDisabled()) {
- DisForm_GetBBox(rect);
- return;
- }
-
- rect = m_pProperties->m_rtWidget;
- if (!m_pListBox || !IsDropListVisible())
- return;
-
- CFX_RectF rtList;
- m_pListBox->GetWidgetRect(rtList);
- rtList.Offset(rect.left, rect.top);
- rect.Union(rtList);
-}
-
-void IFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded,
- uint32_t dwStylesExRemoved) {
- if (m_pEdit)
- m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
-}
-
-void IFWL_ComboBox::DrawStretchHandler(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- CFWL_ThemeBackground param;
- param.m_pGraphics = pGraphics;
- param.m_iPart = CFWL_Part::StretchHandler;
- param.m_dwStates = CFWL_PartState_Normal;
- param.m_pWidget = this;
- if (pMatrix)
- param.m_matrix.Concat(*pMatrix);
- param.m_rtPart = m_rtHandler;
- m_pProperties->m_pThemeProvider->DrawBackground(&param);
-}
-
-void IFWL_ComboBox::ShowDropList(bool bActivate) {
- if (m_pWidgetMgr->IsFormDisabled())
- return DisForm_ShowDropList(bActivate);
- if (IsDropListVisible() == bActivate)
- return;
- if (!m_pComboBoxProxy)
- InitProxyForm();
-
- m_pComboBoxProxy->Reset();
- if (!bActivate) {
- m_pComboBoxProxy->EndDoModal();
-
- m_bLButtonDown = false;
- m_pListBox->SetNotifyOwner(true);
- SetFocus(true);
- return;
- }
-
- m_pListBox->ChangeSelected(m_iCurSel);
- ResetListItemAlignment();
-
- uint32_t dwStyleAdd = m_pProperties->m_dwStyleExes &
- (FWL_STYLEEXT_CMB_Sort | FWL_STYLEEXT_CMB_OwnerDraw);
- m_pListBox->ModifyStylesEx(dwStyleAdd, 0);
- m_pListBox->GetWidgetRect(m_rtList, true);
-
- CFX_RectF rtAnchor;
- rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width,
- m_pProperties->m_rtWidget.height);
-
- m_rtList.width = std::max(m_rtList.width, m_rtClient.width);
- m_rtProxy = m_rtList;
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag)
- m_rtProxy.height += m_fComboFormHandler;
-
- GetPopupPos(0, m_rtProxy.height, rtAnchor, m_rtProxy);
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) {
- FX_FLOAT fx = 0;
- FX_FLOAT fy = m_rtClient.top + m_rtClient.height / 2;
- TransformTo(nullptr, fx, fy);
-
- m_bUpFormHandler = fy > m_rtProxy.top;
- if (m_bUpFormHandler) {
- m_rtHandler.Set(0, 0, m_rtList.width, m_fComboFormHandler);
- m_rtList.top = m_fComboFormHandler;
- } else {
- m_rtHandler.Set(0, m_rtList.height, m_rtList.width, m_fComboFormHandler);
- }
- }
- m_pComboBoxProxy->SetWidgetRect(m_rtProxy);
- m_pComboBoxProxy->Update();
- m_pListBox->SetWidgetRect(m_rtList);
- m_pListBox->Update();
-
- CFWL_EvtPreDropDown ev;
- ev.m_pSrcTarget = this;
- DispatchEvent(&ev);
-
- m_fItemHeight = m_pListBox->GetItemHeight();
- m_pListBox->SetFocus(true);
- m_pComboBoxProxy->DoModal();
- m_pListBox->SetFocus(false);
-}
-
-void IFWL_ComboBox::MatchEditText() {
- CFX_WideString wsText;
- m_pEdit->GetText(wsText);
- int32_t iMatch = m_pListBox->MatchItem(wsText);
- if (iMatch != m_iCurSel) {
- m_pListBox->ChangeSelected(iMatch);
- if (iMatch >= 0)
- SyncEditText(iMatch);
- } else if (iMatch >= 0) {
- m_pEdit->SetSelected();
- }
- m_iCurSel = iMatch;
-}
-
-void IFWL_ComboBox::SyncEditText(int32_t iListItem) {
- CFX_WideString wsText;
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, iListItem);
- m_pListBox->GetDataProviderItemText(hItem, wsText);
- m_pEdit->SetText(wsText);
- m_pEdit->Update();
- m_pEdit->SetSelected();
-}
-
-void IFWL_ComboBox::Layout() {
- if (m_pWidgetMgr->IsFormDisabled())
- return DisForm_Layout();
-
- GetClientRect(m_rtClient);
- FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>(
- GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
- if (!pFWidth)
- return;
-
- FX_FLOAT fBtn = *pFWidth;
- m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn,
- m_rtClient.height);
- if (!IsDropDownStyle() || !m_pEdit)
- return;
-
- CFX_RectF rtEdit;
- rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn,
- m_rtClient.height);
- m_pEdit->SetWidgetRect(rtEdit);
-
- if (m_iCurSel >= 0) {
- CFX_WideString wsText;
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel);
- m_pListBox->GetDataProviderItemText(hItem, wsText);
- m_pEdit->LockUpdate();
- m_pEdit->SetText(wsText);
- m_pEdit->UnlockUpdate();
- }
- m_pEdit->Update();
-}
-
-void IFWL_ComboBox::ResetTheme() {
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- if (!pTheme) {
- pTheme = GetAvailableTheme();
- m_pProperties->m_pThemeProvider = pTheme;
- }
- if (m_pListBox && !m_pListBox->GetThemeProvider())
- m_pListBox->SetThemeProvider(pTheme);
- if (m_pEdit && !m_pEdit->GetThemeProvider())
- m_pEdit->SetThemeProvider(pTheme);
-}
-
-void IFWL_ComboBox::ResetEditAlignment() {
- if (!m_pEdit)
- return;
-
- uint32_t dwAdd = 0;
- switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditHAlignMask) {
- case FWL_STYLEEXT_CMB_EditHCenter: {
- dwAdd |= FWL_STYLEEXT_EDT_HCenter;
- break;
- }
- case FWL_STYLEEXT_CMB_EditHFar: {
- dwAdd |= FWL_STYLEEXT_EDT_HFar;
- break;
- }
- default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; }
- }
- switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditVAlignMask) {
- case FWL_STYLEEXT_CMB_EditVCenter: {
- dwAdd |= FWL_STYLEEXT_EDT_VCenter;
- break;
- }
- case FWL_STYLEEXT_CMB_EditVFar: {
- dwAdd |= FWL_STYLEEXT_EDT_VFar;
- break;
- }
- default: {
- dwAdd |= FWL_STYLEEXT_EDT_VNear;
- break;
- }
- }
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditJustified)
- dwAdd |= FWL_STYLEEXT_EDT_Justified;
- if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditDistributed)
- dwAdd |= FWL_STYLEEXT_EDT_Distributed;
-
- m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask |
- FWL_STYLEEXT_EDT_HAlignModeMask |
- FWL_STYLEEXT_EDT_VAlignMask);
-}
-
-void IFWL_ComboBox::ResetListItemAlignment() {
- if (!m_pListBox)
- return;
-
- uint32_t dwAdd = 0;
- switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemAlignMask) {
- case FWL_STYLEEXT_CMB_ListItemCenterAlign: {
- dwAdd |= FWL_STYLEEXT_LTB_CenterAlign;
- break;
- }
- case FWL_STYLEEXT_CMB_ListItemRightAlign: {
- dwAdd |= FWL_STYLEEXT_LTB_RightAlign;
- break;
- }
- default: {
- dwAdd |= FWL_STYLEEXT_LTB_LeftAlign;
- break;
- }
- }
- m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask);
-}
-
-void IFWL_ComboBox::ProcessSelChanged(bool bLButtonUp) {
- m_iCurSel = m_pListBox->GetItemIndex(this, m_pListBox->GetSelItem(0));
- if (!IsDropDownStyle()) {
- Repaint(&m_rtClient);
- return;
- }
-
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel);
- if (!hItem)
- return;
-
- CFX_WideString wsText;
- m_pListBox->GetItemText(this, hItem, wsText);
- if (m_pEdit) {
- m_pEdit->SetText(wsText);
- m_pEdit->Update();
- m_pEdit->SetSelected();
- }
-
- CFWL_EvtSelectChanged ev;
- ev.bLButtonUp = bLButtonUp;
- ev.m_pSrcTarget = this;
- DispatchEvent(&ev);
-}
-
-void IFWL_ComboBox::InitProxyForm() {
- if (m_pComboBoxProxy)
- return;
- if (!m_pListBox)
- return;
-
- auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
- prop->m_pOwner = this;
- prop->m_dwStyles = FWL_WGTSTYLE_Popup;
- prop->m_dwStates = FWL_WGTSTATE_Invisible;
-
- // TODO(dsinclair): Does this leak? I don't see a delete, but I'm not sure
- // if the SetParent call is going to transfer ownership.
- m_pComboBoxProxy = new CFWL_ComboBoxProxy(this, m_pOwnerApp, std::move(prop),
- m_pListBox.get());
- m_pListBox->SetParent(m_pComboBoxProxy);
-}
-
-void IFWL_ComboBox::DisForm_InitComboList() {
- if (m_pListBox)
- return;
-
- auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
- prop->m_pParent = this;
- prop->m_dwStyles = FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll;
- prop->m_dwStates = FWL_WGTSTATE_Invisible;
- prop->m_pThemeProvider = m_pProperties->m_pThemeProvider;
- m_pListBox =
- pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this);
-}
-
-void IFWL_ComboBox::DisForm_InitComboEdit() {
- if (m_pEdit)
- return;
-
- auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>();
- prop->m_pParent = this;
- prop->m_pThemeProvider = m_pProperties->m_pThemeProvider;
-
- m_pEdit =
- pdfium::MakeUnique<CFWL_ComboEdit>(m_pOwnerApp, std::move(prop), this);
- m_pEdit->SetOuter(this);
-}
-
-void IFWL_ComboBox::DisForm_ShowDropList(bool bActivate) {
- if (DisForm_IsDropListVisible() == bActivate)
- return;
-
- if (bActivate) {
- CFWL_EvtPreDropDown preEvent;
- preEvent.m_pSrcTarget = this;
- DispatchEvent(&preEvent);
-
- CFWL_ComboList* pComboList = m_pListBox.get();
- int32_t iItems = pComboList->CountItems(nullptr);
- if (iItems < 1)
- return;
-
- ResetListItemAlignment();
- pComboList->ChangeSelected(m_iCurSel);
-
- FX_FLOAT fItemHeight = pComboList->CalcItemHeight();
- FX_FLOAT fBorder = GetBorderSize();
- FX_FLOAT fPopupMin = 0.0f;
- if (iItems > 3)
- fPopupMin = fItemHeight * 3 + fBorder * 2;
-
- FX_FLOAT fPopupMax = fItemHeight * iItems + fBorder * 2;
- CFX_RectF rtList;
- rtList.left = m_rtClient.left;
- rtList.width = m_pProperties->m_rtWidget.width;
- rtList.top = 0;
- rtList.height = 0;
- GetPopupPos(fPopupMin, fPopupMax, m_pProperties->m_rtWidget, rtList);
-
- m_pListBox->SetWidgetRect(rtList);
- m_pListBox->Update();
- } else {
- SetFocus(true);
- }
-
- m_pListBox->SetStates(FWL_WGTSTATE_Invisible, !bActivate);
- if (bActivate) {
- CFWL_EvtPostDropDown postEvent;
- postEvent.m_pSrcTarget = this;
- DispatchEvent(&postEvent);
- }
-
- CFX_RectF rect;
- m_pListBox->GetWidgetRect(rect);
- rect.Inflate(2, 2);
- Repaint(&rect);
-}
-
-void IFWL_ComboBox::DisForm_ModifyStylesEx(uint32_t dwStylesExAdded,
- uint32_t dwStylesExRemoved) {
- if (!m_pEdit)
- DisForm_InitComboEdit();
-
- bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown);
- bool bDelDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown);
-
- dwStylesExRemoved &= ~FWL_STYLEEXT_CMB_DropDown;
- m_pProperties->m_dwStyleExes |= FWL_STYLEEXT_CMB_DropDown;
-
- if (bAddDropDown)
- m_pEdit->ModifyStylesEx(0, FWL_STYLEEXT_EDT_ReadOnly);
- else if (bDelDropDown)
- m_pEdit->ModifyStylesEx(FWL_STYLEEXT_EDT_ReadOnly, 0);
- IFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
-}
-
-void IFWL_ComboBox::DisForm_Update() {
- if (m_iLock)
- return;
- if (m_pEdit)
- ResetEditAlignment();
- ResetTheme();
- Layout();
-}
-
-FWL_WidgetHit IFWL_ComboBox::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) {
- CFX_RectF rect;
- rect.Set(0, 0, m_pProperties->m_rtWidget.width - m_rtBtn.width,
- m_pProperties->m_rtWidget.height);
- if (rect.Contains(fx, fy))
- return FWL_WidgetHit::Edit;
- if (m_rtBtn.Contains(fx, fy))
- return FWL_WidgetHit::Client;
- if (DisForm_IsDropListVisible()) {
- m_pListBox->GetWidgetRect(rect);
- if (rect.Contains(fx, fy))
- return FWL_WidgetHit::Client;
- }
- return FWL_WidgetHit::Unknown;
-}
-
-void IFWL_ComboBox::DisForm_DrawWidget(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
- CFX_Matrix mtOrg;
- mtOrg.Set(1, 0, 0, 1, 0, 0);
- if (pMatrix)
- mtOrg = *pMatrix;
-
- pGraphics->SaveGraphState();
- pGraphics->ConcatMatrix(&mtOrg);
- if (!m_rtBtn.IsEmpty(0.1f)) {
- CFWL_ThemeBackground param;
- param.m_pWidget = this;
- param.m_iPart = CFWL_Part::DropDownButton;
- param.m_dwStates = m_iBtnState;
- param.m_pGraphics = pGraphics;
- param.m_rtPart = m_rtBtn;
- pTheme->DrawBackground(&param);
- }
- pGraphics->RestoreGraphState();
-
- if (m_pEdit) {
- CFX_RectF rtEdit;
- m_pEdit->GetWidgetRect(rtEdit);
- CFX_Matrix mt;
- mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top);
- mt.Concat(mtOrg);
- m_pEdit->DrawWidget(pGraphics, &mt);
- }
- if (m_pListBox && DisForm_IsDropListVisible()) {
- CFX_RectF rtList;
- m_pListBox->GetWidgetRect(rtList);
- CFX_Matrix mt;
- mt.Set(1, 0, 0, 1, rtList.left, rtList.top);
- mt.Concat(mtOrg);
- m_pListBox->DrawWidget(pGraphics, &mt);
- }
-}
-
-void IFWL_ComboBox::DisForm_GetBBox(CFX_RectF& rect) const {
- rect = m_pProperties->m_rtWidget;
- if (!m_pListBox || !DisForm_IsDropListVisible())
- return;
-
- CFX_RectF rtList;
- m_pListBox->GetWidgetRect(rtList);
- rtList.Offset(rect.left, rect.top);
- rect.Union(rtList);
-}
-
-void IFWL_ComboBox::DisForm_Layout() {
- GetClientRect(m_rtClient);
- m_rtContent = m_rtClient;
- FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>(
- GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
- if (!pFWidth)
- return;
-
- FX_FLOAT borderWidth = 1;
- FX_FLOAT fBtn = *pFWidth;
- if (!(GetStylesEx() & FWL_STYLEEXT_CMB_ReadOnly)) {
- m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top + borderWidth,
- fBtn - borderWidth, m_rtClient.height - 2 * borderWidth);
- }
-
- CFX_RectF* pUIMargin =
- static_cast<CFX_RectF*>(GetThemeCapacity(CFWL_WidgetCapacity::UIMargin));
- if (pUIMargin) {
- m_rtContent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
- pUIMargin->height);
- }
-
- if (!IsDropDownStyle() || !m_pEdit)
- return;
-
- CFX_RectF rtEdit;
- rtEdit.Set(m_rtContent.left, m_rtContent.top, m_rtContent.width - fBtn,
- m_rtContent.height);
- m_pEdit->SetWidgetRect(rtEdit);
-
- if (m_iCurSel >= 0) {
- CFX_WideString wsText;
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel);
- m_pListBox->GetDataProviderItemText(hItem, wsText);
- m_pEdit->LockUpdate();
- m_pEdit->SetText(wsText);
- m_pEdit->UnlockUpdate();
- }
- m_pEdit->Update();
-}
-
-void IFWL_ComboBox::OnProcessMessage(CFWL_Message* pMessage) {
- if (m_pWidgetMgr->IsFormDisabled()) {
- DisForm_OnProcessMessage(pMessage);
- return;
- }
- if (!pMessage)
- return;
-
- switch (pMessage->GetClassID()) {
- case CFWL_MessageType::SetFocus:
- OnFocusChanged(pMessage, true);
- break;
- case CFWL_MessageType::KillFocus:
- OnFocusChanged(pMessage, false);
- break;
- case CFWL_MessageType::Mouse: {
- CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
- switch (pMsg->m_dwCmd) {
- case FWL_MouseCommand::LeftButtonDown:
- OnLButtonDown(pMsg);
- break;
- case FWL_MouseCommand::LeftButtonUp:
- OnLButtonUp(pMsg);
- break;
- case FWL_MouseCommand::Move:
- OnMouseMove(pMsg);
- break;
- case FWL_MouseCommand::Leave:
- OnMouseLeave(pMsg);
- break;
- default:
- break;
- }
- break;
- }
- case CFWL_MessageType::Key:
- OnKey(static_cast<CFWL_MsgKey*>(pMessage));
- break;
- default:
- break;
- }
-
- IFWL_Widget::OnProcessMessage(pMessage);
-}
-
-void IFWL_ComboBox::OnProcessEvent(CFWL_Event* pEvent) {
- CFWL_EventType dwFlag = pEvent->GetClassID();
- if (dwFlag == CFWL_EventType::Scroll) {
- CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
- CFWL_EvtScroll pScrollEv;
- pScrollEv.m_pSrcTarget = this;
- pScrollEv.m_iScrollCode = pScrollEvent->m_iScrollCode;
- pScrollEv.m_fPos = pScrollEvent->m_fPos;
- DispatchEvent(&pScrollEv);
- } else if (dwFlag == CFWL_EventType::TextChanged) {
- CFWL_EvtEditChanged pTemp;
- pTemp.m_pSrcTarget = this;
- DispatchEvent(&pTemp);
- }
-}
-
-void IFWL_ComboBox::OnDrawWidget(CFX_Graphics* pGraphics,
- const CFX_Matrix* pMatrix) {
- DrawWidget(pGraphics, pMatrix);
-}
-
-void IFWL_ComboBox::OnFocusChanged(CFWL_Message* pMsg, bool bSet) {
- if (bSet) {
- m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
- if (IsDropDownStyle() && pMsg->m_pSrcTarget != m_pListBox.get()) {
- if (!m_pEdit)
- return;
- m_pEdit->SetSelected();
- return;
- }
-
- Repaint(&m_rtClient);
- return;
- }
-
- m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
- if (!IsDropDownStyle() || pMsg->m_pDstTarget == m_pListBox.get()) {
- Repaint(&m_rtClient);
- return;
- }
- if (!m_pEdit)
- return;
-
- m_pEdit->FlagFocus(false);
- m_pEdit->ClearSelected();
-}
-
-void IFWL_ComboBox::OnLButtonDown(CFWL_MsgMouse* pMsg) {
- if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
- return;
-
- CFX_RectF& rtBtn = IsDropDownStyle() ? m_rtBtn : m_rtClient;
- if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy))
- return;
-
- if (IsDropDownStyle() && m_pEdit)
- MatchEditText();
-
- m_bLButtonDown = true;
- m_iBtnState = CFWL_PartState_Pressed;
- Repaint(&m_rtClient);
-
- ShowDropList(true);
- m_iBtnState = CFWL_PartState_Normal;
- Repaint(&m_rtClient);
-}
-
-void IFWL_ComboBox::OnLButtonUp(CFWL_MsgMouse* pMsg) {
- m_bLButtonDown = false;
- if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy))
- m_iBtnState = CFWL_PartState_Hovered;
- else
- m_iBtnState = CFWL_PartState_Normal;
-
- Repaint(&m_rtBtn);
-}
-
-void IFWL_ComboBox::OnMouseMove(CFWL_MsgMouse* pMsg) {
- int32_t iOldState = m_iBtnState;
- if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
- m_iBtnState =
- m_bLButtonDown ? CFWL_PartState_Pressed : CFWL_PartState_Hovered;
- } else {
- m_iBtnState = CFWL_PartState_Normal;
- }
- if ((iOldState != m_iBtnState) &&
- !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) ==
- FWL_WGTSTATE_Disabled)) {
- Repaint(&m_rtBtn);
- }
-}
-
-void IFWL_ComboBox::OnMouseLeave(CFWL_MsgMouse* pMsg) {
- if (!IsDropListVisible() &&
- !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) ==
- FWL_WGTSTATE_Disabled)) {
- m_iBtnState = CFWL_PartState_Normal;
- Repaint(&m_rtBtn);
- }
-}
-
-void IFWL_ComboBox::OnKey(CFWL_MsgKey* pMsg) {
- uint32_t dwKeyCode = pMsg->m_dwKeyCode;
- if (dwKeyCode == FWL_VKEY_Tab) {
- DispatchKeyEvent(pMsg);
- return;
- }
- if (pMsg->m_pDstTarget == this)
- DoSubCtrlKey(pMsg);
-}
-
-void IFWL_ComboBox::DoSubCtrlKey(CFWL_MsgKey* pMsg) {
- uint32_t dwKeyCode = pMsg->m_dwKeyCode;
- const bool bUp = dwKeyCode == FWL_VKEY_Up;
- const bool bDown = dwKeyCode == FWL_VKEY_Down;
- if (bUp || bDown) {
- int32_t iCount = m_pListBox->CountItems(nullptr);
- if (iCount < 1)
- return;
-
- bool bMatchEqual = false;
- int32_t iCurSel = m_iCurSel;
- bool bDropDown = IsDropDownStyle();
- if (bDropDown && m_pEdit) {
- CFX_WideString wsText;
- m_pEdit->GetText(wsText);
- iCurSel = m_pListBox->MatchItem(wsText);
- if (iCurSel >= 0) {
- CFX_WideString wsTemp;
- CFWL_ListItem* hItem = m_pListBox->GetItem(this, iCurSel);
- m_pListBox->GetDataProviderItemText(hItem, wsTemp);
- bMatchEqual = wsText == wsTemp;
- }
- }
- if (iCurSel < 0) {
- iCurSel = 0;
- } else if (!bDropDown || bMatchEqual) {
- if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1))
- return;
- if (bUp)
- iCurSel--;
- else
- iCurSel++;
- }
- m_iCurSel = iCurSel;
- if (bDropDown && m_pEdit)
- SyncEditText(m_iCurSel);
- else
- Repaint(&m_rtClient);
- return;
- }
-
- if (IsDropDownStyle())
- m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
-}
-
-void IFWL_ComboBox::DisForm_OnProcessMessage(CFWL_Message* pMessage) {
- if (!pMessage)
- return;
-
- bool backDefault = true;
- switch (pMessage->GetClassID()) {
- case CFWL_MessageType::SetFocus: {
- backDefault = false;
- DisForm_OnFocusChanged(pMessage, true);
- break;
- }
- case CFWL_MessageType::KillFocus: {
- backDefault = false;
- DisForm_OnFocusChanged(pMessage, false);
- break;
- }
- case CFWL_MessageType::Mouse: {
- backDefault = false;
- CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
- switch (pMsg->m_dwCmd) {
- case FWL_MouseCommand::LeftButtonDown:
- DisForm_OnLButtonDown(pMsg);
- break;
- case FWL_MouseCommand::LeftButtonUp:
- OnLButtonUp(pMsg);
- break;
- default:
- break;
- }
- break;
- }
- case CFWL_MessageType::Key: {
- backDefault = false;
- CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
- if (pKey->m_dwCmd == FWL_KeyCommand::KeyUp)
- break;
- if (DisForm_IsDropListVisible() &&
- pKey->m_dwCmd == FWL_KeyCommand::KeyDown) {
- bool bListKey = pKey->m_dwKeyCode == FWL_VKEY_Up ||
- pKey->m_dwKeyCode == FWL_VKEY_Down ||
- pKey->m_dwKeyCode == FWL_VKEY_Return ||
- pKey->m_dwKeyCode == FWL_VKEY_Escape;
- if (bListKey) {
- m_pListBox->GetDelegate()->OnProcessMessage(pMessage);
- break;
- }
- }
- DisForm_OnKey(pKey);
- break;
- }
- default:
- break;
- }
- if (backDefault)
- IFWL_Widget::OnProcessMessage(pMessage);
-}
-
-void IFWL_ComboBox::DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg) {
- bool bDropDown = DisForm_IsDropListVisible();
- CFX_RectF& rtBtn = bDropDown ? m_rtBtn : m_rtClient;
- if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy))
- return;
-
- if (DisForm_IsDropListVisible()) {
- DisForm_ShowDropList(false);
- return;
- }
- if (m_pEdit)
- MatchEditText();
- DisForm_ShowDropList(true);
-}
-
-void IFWL_ComboBox::DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet) {
- if (bSet) {
- m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
- if ((m_pEdit->GetStates() & FWL_WGTSTATE_Focused) == 0) {
- CFWL_MsgSetFocus msg;
- msg.m_pDstTarget = m_pEdit.get();
- msg.m_pSrcTarget = nullptr;
- m_pEdit->GetDelegate()->OnProcessMessage(&msg);
- }
- } else {
- m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
- DisForm_ShowDropList(false);
- CFWL_MsgKillFocus msg;
- msg.m_pDstTarget = nullptr;
- msg.m_pSrcTarget = m_pEdit.get();
- m_pEdit->GetDelegate()->OnProcessMessage(&msg);
- }
-}
-
-void IFWL_ComboBox::DisForm_OnKey(CFWL_MsgKey* pMsg) {
- uint32_t dwKeyCode = pMsg->m_dwKeyCode;
- const bool bUp = dwKeyCode == FWL_VKEY_Up;
- const bool bDown = dwKeyCode == FWL_VKEY_Down;
- if (bUp || bDown) {
- CFWL_ComboList* pComboList = m_pListBox.get();
- int32_t iCount = pComboList->CountItems(nullptr);
- if (iCount < 1)
- return;
-
- bool bMatchEqual = false;
- int32_t iCurSel = m_iCurSel;
- if (m_pEdit) {
- CFX_WideString wsText;
- m_pEdit->GetText(wsText);
- iCurSel = pComboList->MatchItem(wsText);
- if (iCurSel >= 0) {
- CFX_WideString wsTemp;
- CFWL_ListItem* item = m_pListBox->GetSelItem(iCurSel);
- m_pListBox->GetDataProviderItemText(item, wsTemp);
- bMatchEqual = wsText == wsTemp;
- }
- }
- if (iCurSel < 0) {
- iCurSel = 0;
- } else if (bMatchEqual) {
- if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1))
- return;
- if (bUp)
- iCurSel--;
- else
- iCurSel++;
- }
- m_iCurSel = iCurSel;
- SyncEditText(m_iCurSel);
- return;
- }
- if (m_pEdit)
- m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
-}
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