| // 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/cfwl_caret.h" |
| |
| #include <utility> |
| |
| #include "xfa/fwl/cfwl_app.h" |
| #include "xfa/fwl/cfwl_notedriver.h" |
| #include "xfa/fwl/cfwl_themebackground.h" |
| #include "xfa/fwl/fwl_widgetdef.h" |
| #include "xfa/fwl/ifwl_themeprovider.h" |
| |
| namespace { |
| |
| const uint32_t kBlinkPeriodMs = 600; |
| |
| constexpr int kStateHighlight = (1 << 0); |
| |
| } // namespace |
| |
| CFWL_Caret::CFWL_Caret(CFWL_App* app, |
| const Properties& properties, |
| CFWL_Widget* pOuter) |
| : CFWL_Widget(app, properties, pOuter) { |
| SetStates(kStateHighlight); |
| } |
| |
| CFWL_Caret::~CFWL_Caret() = default; |
| |
| FWL_Type CFWL_Caret::GetClassID() const { |
| return FWL_Type::Caret; |
| } |
| |
| void CFWL_Caret::Update() {} |
| |
| void CFWL_Caret::DrawWidget(CFGAS_GEGraphics* pGraphics, |
| const CFX_Matrix& matrix) { |
| if (!pGraphics) |
| return; |
| |
| DrawCaretBK(pGraphics, &matrix); |
| } |
| |
| void CFWL_Caret::ShowCaret() { |
| m_pTimer = std::make_unique<CFX_Timer>(GetFWLApp()->GetTimerHandler(), this, |
| kBlinkPeriodMs); |
| RemoveStates(FWL_WGTSTATE_Invisible); |
| SetStates(kStateHighlight); |
| } |
| |
| void CFWL_Caret::HideCaret() { |
| m_pTimer.reset(); |
| SetStates(FWL_WGTSTATE_Invisible); |
| } |
| |
| void CFWL_Caret::DrawCaretBK(CFGAS_GEGraphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| if (!(m_Properties.m_dwStates & kStateHighlight)) |
| return; |
| |
| CFWL_ThemeBackground param; |
| param.m_pWidget = this; |
| param.m_pGraphics = pGraphics; |
| param.m_PartRect = CFX_RectF(0, 0, GetWidgetRect().Size()); |
| param.m_iPart = CFWL_Part::Background; |
| param.m_dwStates = CFWL_PartState_HightLight; |
| if (pMatrix) |
| param.m_matrix.Concat(*pMatrix); |
| |
| GetThemeProvider()->DrawBackground(param); |
| } |
| |
| void CFWL_Caret::OnProcessMessage(CFWL_Message* pMessage) {} |
| |
| void CFWL_Caret::OnDrawWidget(CFGAS_GEGraphics* pGraphics, |
| const CFX_Matrix& matrix) { |
| DrawWidget(pGraphics, matrix); |
| } |
| |
| void CFWL_Caret::OnTimerFired() { |
| if (!(GetStates() & kStateHighlight)) |
| SetStates(kStateHighlight); |
| else |
| RemoveStates(kStateHighlight); |
| |
| CFX_RectF rt = GetWidgetRect(); |
| RepaintRect(CFX_RectF(0, 0, rt.width + 1, rt.height)); |
| } |