| // 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_caret.h" |
| |
| #include "third_party/base/ptr_util.h" |
| #include "xfa/fwl/core/cfwl_themebackground.h" |
| #include "xfa/fwl/core/cfwl_widgetproperties.h" |
| #include "xfa/fwl/core/fwl_noteimp.h" |
| #include "xfa/fwl/core/ifwl_caret.h" |
| #include "xfa/fwl/core/ifwl_themeprovider.h" |
| |
| IFWL_Caret::IFWL_Caret(const IFWL_App* app, |
| std::unique_ptr<CFWL_WidgetProperties> properties, |
| IFWL_Widget* pOuter) |
| : IFWL_Widget(app, std::move(properties), pOuter), |
| m_pTimer(new IFWL_Caret::Timer(this)), |
| m_pTimerInfo(nullptr), |
| m_dwElapse(400), |
| m_bSetColor(false) { |
| SetStates(FWL_STATE_CAT_HightLight); |
| } |
| |
| IFWL_Caret::~IFWL_Caret() { |
| if (m_pTimerInfo) { |
| m_pTimerInfo->StopTimer(); |
| m_pTimerInfo = nullptr; |
| } |
| } |
| |
| FWL_Type IFWL_Caret::GetClassID() const { |
| return FWL_Type::Caret; |
| } |
| |
| void IFWL_Caret::DrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| if (!pGraphics) |
| return; |
| if (!m_pProperties->m_pThemeProvider) |
| m_pProperties->m_pThemeProvider = GetAvailableTheme(); |
| if (!m_pProperties->m_pThemeProvider) |
| return; |
| |
| DrawCaretBK(pGraphics, m_pProperties->m_pThemeProvider, pMatrix); |
| } |
| |
| void IFWL_Caret::ShowCaret(bool bFlag) { |
| if (m_pTimerInfo) { |
| m_pTimerInfo->StopTimer(); |
| m_pTimerInfo = nullptr; |
| } |
| if (bFlag) |
| m_pTimerInfo = m_pTimer->StartTimer(m_dwElapse, true); |
| |
| SetStates(FWL_WGTSTATE_Invisible, !bFlag); |
| } |
| |
| FWL_Error IFWL_Caret::GetFrequency(uint32_t& elapse) { |
| elapse = m_dwElapse; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error IFWL_Caret::SetFrequency(uint32_t elapse) { |
| m_dwElapse = elapse; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error IFWL_Caret::SetColor(CFX_Color crFill) { |
| m_bSetColor = true; |
| m_crFill = crFill; |
| return FWL_Error::Succeeded; |
| } |
| |
| void IFWL_Caret::DrawCaretBK(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix) { |
| CFX_RectF rect; |
| GetWidgetRect(rect); |
| rect.Set(0, 0, rect.width, rect.height); |
| CFWL_ThemeBackground param; |
| param.m_pWidget = this; |
| param.m_pGraphics = pGraphics; |
| param.m_rtPart = rect; |
| if (m_bSetColor) |
| param.m_pData = &m_crFill; |
| if (!(m_pProperties->m_dwStates & FWL_STATE_CAT_HightLight)) |
| return; |
| |
| param.m_iPart = CFWL_Part::Background; |
| param.m_dwStates = CFWL_PartState_HightLight; |
| if (pMatrix) |
| param.m_matrix.Concat(*pMatrix); |
| |
| pTheme->DrawBackground(¶m); |
| } |
| |
| void IFWL_Caret::OnProcessMessage(CFWL_Message* pMessage) {} |
| |
| void IFWL_Caret::OnDrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| DrawWidget(pGraphics, pMatrix); |
| } |
| |
| IFWL_Caret::Timer::Timer(IFWL_Caret* pCaret) : IFWL_Timer(pCaret) {} |
| |
| void IFWL_Caret::Timer::Run(IFWL_TimerInfo* pTimerInfo) { |
| IFWL_Caret* pCaret = static_cast<IFWL_Caret*>(m_pWidget); |
| bool toggle = !(pCaret->GetStates() & FWL_STATE_CAT_HightLight); |
| pCaret->SetStates(FWL_STATE_CAT_HightLight, toggle); |
| |
| CFX_RectF rt; |
| pCaret->GetWidgetRect(rt); |
| rt.Set(0, 0, rt.width + 1, rt.height); |
| pCaret->Repaint(&rt); |
| } |