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// 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/theme/cfwl_comboboxtp.h"
#include "xfa/fwl/core/cfwl_themebackground.h"
#include "xfa/fwl/core/ifwl_combobox.h"
#include "xfa/fwl/core/ifwl_themeprovider.h"
#include "xfa/fwl/core/ifwl_widget.h"
#include "xfa/fxgraphics/cfx_color.h"
#include "xfa/fxgraphics/cfx_path.h"
namespace {
const float kComboFormHandler = 8.0f;
} // namespace
CFWL_ComboBoxTP::CFWL_ComboBoxTP() {}
CFWL_ComboBoxTP::~CFWL_ComboBoxTP() {}
bool CFWL_ComboBoxTP::IsValidWidget(IFWL_Widget* pWidget) {
return pWidget && pWidget->GetClassID() == FWL_Type::ComboBox;
}
void CFWL_ComboBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
if (!pParams)
return;
switch (pParams->m_iPart) {
case CFWL_Part::Border: {
DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
break;
}
case CFWL_Part::Edge: {
DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
&pParams->m_rtPart, &pParams->m_matrix);
break;
}
case CFWL_Part::Background: {
CFX_Path path;
path.Create();
CFX_RectF& rect = pParams->m_rtPart;
path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
FX_ARGB argb_color;
switch (pParams->m_dwStates) {
case CFWL_PartState_Selected:
argb_color = FWLTHEME_COLOR_BKSelected;
break;
case CFWL_PartState_Disabled:
argb_color = FWLTHEME_COLOR_EDGERB1;
break;
default:
argb_color = 0xFFFFFFFF;
}
pParams->m_pGraphics->SaveGraphState();
CFX_Color cr(argb_color);
pParams->m_pGraphics->SetFillColor(&cr);
pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, &pParams->m_matrix);
pParams->m_pGraphics->RestoreGraphState();
break;
}
case CFWL_Part::DropDownButton: {
DrawDropDownButton(pParams, pParams->m_dwStates, &pParams->m_matrix);
break;
}
case CFWL_Part::StretchHandler: {
DrawStrethHandler(pParams, 0, &pParams->m_matrix);
break;
}
default:
break;
}
}
void CFWL_ComboBoxTP::DrawStrethHandler(CFWL_ThemeBackground* pParams,
uint32_t dwStates,
CFX_Matrix* pMatrix) {
CFX_Path path;
path.Create();
path.AddRectangle(pParams->m_rtPart.left, pParams->m_rtPart.top,
pParams->m_rtPart.width - 1, pParams->m_rtPart.height);
CFX_Color cr(ArgbEncode(0xff, 0xff, 0, 0));
pParams->m_pGraphics->SetFillColor(&cr);
pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, &pParams->m_matrix);
}
void* CFWL_ComboBoxTP::GetCapacity(CFWL_ThemePart* pThemePart,
CFWL_WidgetCapacity dwCapacity) {
if (dwCapacity == CFWL_WidgetCapacity::ComboFormHandler) {
m_fValue = kComboFormHandler;
return &m_fValue;
}
return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
}
void CFWL_ComboBoxTP::DrawDropDownButton(CFWL_ThemeBackground* pParams,
uint32_t dwStates,
CFX_Matrix* pMatrix) {
FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
switch (dwStates) {
case CFWL_PartState_Normal: {
eState = FWLTHEME_STATE_Normal;
break;
}
case CFWL_PartState_Hovered: {
eState = FWLTHEME_STATE_Hover;
break;
}
case CFWL_PartState_Pressed: {
eState = FWLTHEME_STATE_Pressed;
break;
}
case CFWL_PartState_Disabled: {
eState = FWLTHEME_STATE_Disable;
break;
}
default:
break;
}
DrawArrowBtn(pParams->m_pGraphics, &pParams->m_rtPart,
FWLTHEME_DIRECTION_Down, eState, &pParams->m_matrix);
}
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