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// Copyright 2020 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 "fpdfsdk/pwl/cpwl_cbbutton.h"
#include <utility>
#include "core/fxge/cfx_fillrenderoptions.h"
#include "core/fxge/cfx_pathdata.h"
#include "core/fxge/cfx_renderdevice.h"
CPWL_CBButton::CPWL_CBButton(
const CreateParams& cp,
std::unique_ptr<IPWL_SystemHandler::PerWindowData> pAttachedData)
: CPWL_Wnd(cp, std::move(pAttachedData)) {}
CPWL_CBButton::~CPWL_CBButton() = default;
void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device) {
CPWL_Wnd::DrawThisAppearance(pDevice, mtUser2Device);
if (!IsVisible())
return;
CFX_FloatRect window = CPWL_Wnd::GetWindowRect();
if (window.IsEmpty())
return;
constexpr float kComboBoxTriangleLength = 6.0f;
constexpr float kComboBoxTriangleHalfLength = kComboBoxTriangleLength / 2;
constexpr float kComboBoxTriangleQuarterLength = kComboBoxTriangleLength / 4;
if (!IsFloatBigger(window.right - window.left, kComboBoxTriangleLength) ||
!IsFloatBigger(window.top - window.bottom, kComboBoxTriangleHalfLength)) {
return;
}
CFX_PointF ptCenter = GetCenterPoint();
CFX_PointF pt1(ptCenter.x - kComboBoxTriangleHalfLength,
ptCenter.y + kComboBoxTriangleQuarterLength);
CFX_PointF pt2(ptCenter.x + kComboBoxTriangleHalfLength,
ptCenter.y + kComboBoxTriangleQuarterLength);
CFX_PointF pt3(ptCenter.x, ptCenter.y - kComboBoxTriangleQuarterLength);
CFX_PathData path;
path.AppendPoint(pt1, FXPT_TYPE::MoveTo);
path.AppendPoint(pt2, FXPT_TYPE::LineTo);
path.AppendPoint(pt3, FXPT_TYPE::LineTo);
path.AppendPoint(pt1, FXPT_TYPE::LineTo);
pDevice->DrawPath(&path, &mtUser2Device, nullptr,
PWL_DEFAULT_BLACKCOLOR.ToFXColor(GetTransparency()), 0,
CFX_FillRenderOptions::EvenOddOptions());
}
bool CPWL_CBButton::OnLButtonDown(uint32_t nFlag, const CFX_PointF& point) {
CPWL_Wnd::OnLButtonDown(nFlag, point);
SetCapture();
CPWL_Wnd* pParent = GetParentWindow();
if (pParent)
pParent->NotifyLButtonDown(this, point);
return true;
}
bool CPWL_CBButton::OnLButtonUp(uint32_t nFlag, const CFX_PointF& point) {
CPWL_Wnd::OnLButtonUp(nFlag, point);
ReleaseCapture();
return true;
}