diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_combobox.cpp')
| -rw-r--r-- | xfa/fwl/core/ifwl_combobox.cpp | 1130 |
1 files changed, 0 insertions, 1130 deletions
diff --git a/xfa/fwl/core/ifwl_combobox.cpp b/xfa/fwl/core/ifwl_combobox.cpp deleted file mode 100644 index 07fa64c43a..0000000000 --- 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(¶m); - - 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(¶m); -} - -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(¶m); -} - -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(¶m); - } - 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); -} |