cfwl_pushbuttontp.cpp revision 5ae9d0c6fd838a2967cca72aa5751b51dadc2769 
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_pushbuttontp.h"
8
9#include "xfa/fwl/cfwl_pushbutton.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#define PUSHBUTTON_SIZE_Corner 2
17
18CFWL_PushButtonTP::CFWL_PushButtonTP() : m_pThemeData(new PBThemeData) {
19  SetThemeData();
20}
21
22CFWL_PushButtonTP::~CFWL_PushButtonTP() {}
23
24void CFWL_PushButtonTP::DrawBackground(CFWL_ThemeBackground* pParams) {
25  switch (pParams->m_iPart) {
26    case CFWL_Part::Border: {
27      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
28      break;
29    }
30    case CFWL_Part::Background: {
31      CFX_RectF& rect = pParams->m_rtPart;
32      FX_FLOAT fRight = rect.right();
33      FX_FLOAT fBottom = rect.bottom();
34
35      CFX_Path strokePath;
36      strokePath.MoveTo(
37          CFX_PointF(rect.left + PUSHBUTTON_SIZE_Corner, rect.top));
38      strokePath.LineTo(CFX_PointF(fRight - PUSHBUTTON_SIZE_Corner, rect.top));
39      strokePath.LineTo(CFX_PointF(fRight, rect.top + PUSHBUTTON_SIZE_Corner));
40      strokePath.LineTo(CFX_PointF(fRight, fBottom - PUSHBUTTON_SIZE_Corner));
41      strokePath.LineTo(CFX_PointF(fRight - PUSHBUTTON_SIZE_Corner, fBottom));
42      strokePath.LineTo(
43          CFX_PointF(rect.left + PUSHBUTTON_SIZE_Corner, fBottom));
44      strokePath.LineTo(
45          CFX_PointF(rect.left, fBottom - PUSHBUTTON_SIZE_Corner));
46      strokePath.LineTo(
47          CFX_PointF(rect.left, rect.top + PUSHBUTTON_SIZE_Corner));
48      strokePath.LineTo(
49          CFX_PointF(rect.left + PUSHBUTTON_SIZE_Corner, rect.top));
50
51      CFX_Path fillPath;
52      fillPath.AddSubpath(&strokePath);
53
54      CFX_Graphics* pGraphics = pParams->m_pGraphics;
55      pGraphics->SaveGraphState();
56
57      CFX_RectF rtInner(rect);
58      rtInner.Deflate(PUSHBUTTON_SIZE_Corner + 1, PUSHBUTTON_SIZE_Corner + 1,
59                      PUSHBUTTON_SIZE_Corner, PUSHBUTTON_SIZE_Corner);
60      fillPath.AddRectangle(rtInner.left, rtInner.top, rtInner.width,
61                            rtInner.height);
62
63      int32_t iColor = GetColorID(pParams->m_dwStates);
64      DrawAxialShading(pGraphics, rect.left + PUSHBUTTON_SIZE_Corner, rect.top,
65                       rect.left + PUSHBUTTON_SIZE_Corner, rect.bottom(),
66                       m_pThemeData->clrStart[iColor],
67                       m_pThemeData->clrEnd[iColor], &fillPath,
68                       FXFILL_ALTERNATE, &pParams->m_matrix);
69
70      CFX_Color crStroke(m_pThemeData->clrBorder[iColor]);
71      pGraphics->SetStrokeColor(&crStroke);
72      pGraphics->StrokePath(&strokePath, &pParams->m_matrix);
73
74      fillPath.Clear();
75      fillPath.AddRectangle(rtInner.left, rtInner.top, rtInner.width,
76                            rtInner.height);
77
78      CFX_Color crFill(m_pThemeData->clrFill[iColor]);
79      pGraphics->SetFillColor(&crFill);
80      pGraphics->FillPath(&fillPath, FXFILL_WINDING, &pParams->m_matrix);
81      if (pParams->m_dwStates & CFWL_PartState_Focused) {
82        rtInner.Inflate(1, 1, 0, 0);
83        DrawFocus(pGraphics, &rtInner, &pParams->m_matrix);
84      }
85      pGraphics->RestoreGraphState();
86      break;
87    }
88    default:
89      break;
90  }
91}
92
93void CFWL_PushButtonTP::SetThemeData() {
94  m_pThemeData->clrBorder[0] = ArgbEncode(255, 0, 60, 116);
95  m_pThemeData->clrBorder[1] = ArgbEncode(255, 0, 60, 116);
96  m_pThemeData->clrBorder[2] = ArgbEncode(255, 0, 60, 116);
97  m_pThemeData->clrBorder[3] = ArgbEncode(255, 0, 60, 116);
98  m_pThemeData->clrBorder[4] = ArgbEncode(255, 201, 199, 186);
99  m_pThemeData->clrStart[0] = ArgbEncode(255, 255, 255, 255);
100  m_pThemeData->clrStart[1] = ArgbEncode(255, 209, 204, 193);
101  m_pThemeData->clrStart[2] = ArgbEncode(255, 255, 240, 207);
102  m_pThemeData->clrStart[3] = ArgbEncode(255, 206, 231, 255);
103  m_pThemeData->clrStart[4] = ArgbEncode(255, 245, 244, 234);
104  m_pThemeData->clrEnd[0] = ArgbEncode(255, 214, 208, 197);
105  m_pThemeData->clrEnd[1] = ArgbEncode(255, 242, 241, 238);
106  m_pThemeData->clrEnd[2] = ArgbEncode(255, 229, 151, 0);
107  m_pThemeData->clrEnd[3] = ArgbEncode(255, 105, 130, 238);
108  m_pThemeData->clrEnd[4] = ArgbEncode(255, 245, 244, 234);
109  m_pThemeData->clrFill[0] = ArgbEncode(255, 255, 255, 255);
110  m_pThemeData->clrFill[1] = ArgbEncode(255, 226, 225, 218);
111  m_pThemeData->clrFill[2] = ArgbEncode(255, 255, 255, 255);
112  m_pThemeData->clrFill[3] = ArgbEncode(255, 255, 255, 255);
113  m_pThemeData->clrFill[4] = ArgbEncode(255, 245, 244, 234);
114}
115
116int32_t CFWL_PushButtonTP::GetColorID(uint32_t dwStates) const {
117  int32_t color = 0;
118  if (dwStates & CFWL_PartState_Disabled)
119    color += 4;
120  if (dwStates & CFWL_PartState_Default) {
121    color += 3;
122  } else {
123    if (dwStates & CFWL_PartState_Hovered)
124      color += 2;
125    if (dwStates & CFWL_PartState_Pressed)
126      color += 1;
127  }
128  return color;
129}
130