blob: 9843776e8c440d8b21a692ee5539ccc04100e5fa [file] [log] [blame] [edit]
// 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& mtMatrix) {
if (!(m_Properties.m_dwStates & kStateHighlight))
return;
CFWL_ThemeBackground param(this, pGraphics);
param.m_PartRect = CFX_RectF(0, 0, GetWidgetRect().Size());
param.m_iPart = CFWL_ThemePart::Part::kBackground;
param.m_dwStates = CFWL_PartState_HightLight;
param.m_matrix = mtMatrix;
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));
}