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108 lines
3.0 KiB
108 lines
3.0 KiB
// Copyright 2014 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#include "xfa/fwl/cfwl_caret.h" |
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#include <utility> |
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#include "third_party/base/ptr_util.h" |
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#include "xfa/fwl/cfwl_notedriver.h" |
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#include "xfa/fwl/cfwl_themebackground.h" |
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#include "xfa/fwl/cfwl_timerinfo.h" |
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#include "xfa/fwl/cfwl_widgetproperties.h" |
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#include "xfa/fwl/ifwl_themeprovider.h" |
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namespace { |
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const uint32_t kFrequency = 400; |
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} // namespace |
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CFWL_Caret::CFWL_Caret(const CFWL_App* app, |
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std::unique_ptr<CFWL_WidgetProperties> properties, |
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CFWL_Widget* pOuter) |
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: CFWL_Widget(app, std::move(properties), pOuter), |
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m_pTimer(new CFWL_Caret::Timer(this)), |
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m_pTimerInfo(nullptr) { |
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SetStates(FWL_STATE_CAT_HightLight); |
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} |
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CFWL_Caret::~CFWL_Caret() { |
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if (m_pTimerInfo) { |
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m_pTimerInfo->StopTimer(); |
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m_pTimerInfo = nullptr; |
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} |
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} |
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FWL_Type CFWL_Caret::GetClassID() const { |
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return FWL_Type::Caret; |
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} |
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void CFWL_Caret::Update() {} |
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void CFWL_Caret::DrawWidget(CFX_Graphics* pGraphics, |
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const CFX_Matrix* pMatrix) { |
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if (!pGraphics) |
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return; |
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if (!m_pProperties->m_pThemeProvider) |
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m_pProperties->m_pThemeProvider = GetAvailableTheme(); |
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if (!m_pProperties->m_pThemeProvider) |
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return; |
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DrawCaretBK(pGraphics, m_pProperties->m_pThemeProvider, pMatrix); |
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} |
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void CFWL_Caret::ShowCaret() { |
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if (m_pTimerInfo) |
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m_pTimerInfo->StopTimer(); |
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m_pTimerInfo = m_pTimer->StartTimer(kFrequency, true); |
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RemoveStates(FWL_WGTSTATE_Invisible); |
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} |
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void CFWL_Caret::HideCaret() { |
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if (m_pTimerInfo) { |
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m_pTimerInfo->StopTimer(); |
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m_pTimerInfo = nullptr; |
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} |
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SetStates(FWL_WGTSTATE_Invisible); |
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} |
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void CFWL_Caret::DrawCaretBK(CFX_Graphics* pGraphics, |
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IFWL_ThemeProvider* pTheme, |
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const CFX_Matrix* pMatrix) { |
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if (!(m_pProperties->m_dwStates & FWL_STATE_CAT_HightLight)) |
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return; |
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CFWL_ThemeBackground param; |
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param.m_pWidget = this; |
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param.m_pGraphics = pGraphics; |
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param.m_rtPart = CFX_RectF(0, 0, GetWidgetRect().Size()); |
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param.m_iPart = CFWL_Part::Background; |
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param.m_dwStates = CFWL_PartState_HightLight; |
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if (pMatrix) |
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param.m_matrix.Concat(*pMatrix); |
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pTheme->DrawBackground(¶m); |
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} |
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void CFWL_Caret::OnProcessMessage(CFWL_Message* pMessage) {} |
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void CFWL_Caret::OnDrawWidget(CFX_Graphics* pGraphics, |
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const CFX_Matrix* pMatrix) { |
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DrawWidget(pGraphics, pMatrix); |
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} |
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CFWL_Caret::Timer::Timer(CFWL_Caret* pCaret) : CFWL_Timer(pCaret) {} |
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void CFWL_Caret::Timer::Run(CFWL_TimerInfo* pTimerInfo) { |
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CFWL_Caret* pCaret = static_cast<CFWL_Caret*>(m_pWidget); |
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if (!(pCaret->GetStates() & FWL_STATE_CAT_HightLight)) |
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pCaret->SetStates(FWL_STATE_CAT_HightLight); |
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else |
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pCaret->RemoveStates(FWL_STATE_CAT_HightLight); |
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CFX_RectF rt = pCaret->GetWidgetRect(); |
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pCaret->RepaintRect(CFX_RectF(0, 0, rt.width + 1, rt.height)); |
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}
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