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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "xfa/fwl/theme/cfwl_comboboxtp.h"
      8 
      9 #include "xfa/fwl/cfwl_combobox.h"
     10 #include "xfa/fwl/cfwl_themebackground.h"
     11 #include "xfa/fwl/cfwl_widget.h"
     12 #include "xfa/fwl/ifwl_themeprovider.h"
     13 #include "xfa/fxgraphics/cfx_color.h"
     14 #include "xfa/fxgraphics/cfx_path.h"
     15 
     16 CFWL_ComboBoxTP::CFWL_ComboBoxTP() {}
     17 
     18 CFWL_ComboBoxTP::~CFWL_ComboBoxTP() {}
     19 
     20 void CFWL_ComboBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
     21   if (!pParams)
     22     return;
     23 
     24   switch (pParams->m_iPart) {
     25     case CFWL_Part::Border: {
     26       DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
     27       break;
     28     }
     29     case CFWL_Part::Background: {
     30       CFX_Path path;
     31       CFX_RectF& rect = pParams->m_rtPart;
     32       path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
     33       FX_ARGB argb_color;
     34       switch (pParams->m_dwStates) {
     35         case CFWL_PartState_Selected:
     36           argb_color = FWLTHEME_COLOR_BKSelected;
     37           break;
     38         case CFWL_PartState_Disabled:
     39           argb_color = FWLTHEME_COLOR_EDGERB1;
     40           break;
     41         default:
     42           argb_color = 0xFFFFFFFF;
     43       }
     44       pParams->m_pGraphics->SaveGraphState();
     45       CFX_Color cr(argb_color);
     46       pParams->m_pGraphics->SetFillColor(&cr);
     47       pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, &pParams->m_matrix);
     48       pParams->m_pGraphics->RestoreGraphState();
     49       break;
     50     }
     51     case CFWL_Part::DropDownButton: {
     52       DrawDropDownButton(pParams, pParams->m_dwStates, &pParams->m_matrix);
     53       break;
     54     }
     55     case CFWL_Part::StretchHandler: {
     56       DrawStrethHandler(pParams, 0, &pParams->m_matrix);
     57       break;
     58     }
     59     default:
     60       break;
     61   }
     62 }
     63 
     64 void CFWL_ComboBoxTP::DrawStrethHandler(CFWL_ThemeBackground* pParams,
     65                                         uint32_t dwStates,
     66                                         CFX_Matrix* pMatrix) {
     67   CFX_Path path;
     68   path.AddRectangle(pParams->m_rtPart.left, pParams->m_rtPart.top,
     69                     pParams->m_rtPart.width - 1, pParams->m_rtPart.height);
     70   CFX_Color cr(ArgbEncode(0xff, 0xff, 0, 0));
     71   pParams->m_pGraphics->SetFillColor(&cr);
     72   pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, &pParams->m_matrix);
     73 }
     74 
     75 void CFWL_ComboBoxTP::DrawDropDownButton(CFWL_ThemeBackground* pParams,
     76                                          uint32_t dwStates,
     77                                          CFX_Matrix* pMatrix) {
     78   FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
     79   switch (dwStates) {
     80     case CFWL_PartState_Normal: {
     81       eState = FWLTHEME_STATE_Normal;
     82       break;
     83     }
     84     case CFWL_PartState_Hovered: {
     85       eState = FWLTHEME_STATE_Hover;
     86       break;
     87     }
     88     case CFWL_PartState_Pressed: {
     89       eState = FWLTHEME_STATE_Pressed;
     90       break;
     91     }
     92     case CFWL_PartState_Disabled: {
     93       eState = FWLTHEME_STATE_Disable;
     94       break;
     95     }
     96     default:
     97       break;
     98   }
     99   DrawArrowBtn(pParams->m_pGraphics, &pParams->m_rtPart,
    100                FWLTHEME_DIRECTION_Down, eState, &pParams->m_matrix);
    101 }
    102