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/src/foxitlib.h"
8 #define PUSHBUTTON_SIZE_Corner 2
CFWL_PushButtonTP()9 CFWL_PushButtonTP::CFWL_PushButtonTP() {
10   m_pThemeData = new PBThemeData;
11   SetThemeData(0);
12 }
~CFWL_PushButtonTP()13 CFWL_PushButtonTP::~CFWL_PushButtonTP() {
14   if (m_pThemeData) {
15     delete m_pThemeData;
16   }
17 }
IsValidWidget(IFWL_Widget * pWidget)18 FX_BOOL CFWL_PushButtonTP::IsValidWidget(IFWL_Widget* pWidget) {
19   return pWidget->GetClassID() == FWL_CLASSHASH_PushButton;
20 }
SetThemeID(IFWL_Widget * pWidget,FX_DWORD dwThemeID,FX_BOOL bChildren)21 FX_DWORD CFWL_PushButtonTP::SetThemeID(IFWL_Widget* pWidget,
22                                        FX_DWORD dwThemeID,
23                                        FX_BOOL bChildren) {
24   SetThemeData(FWL_GetThemeColor(dwThemeID));
25   return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID, bChildren);
26 }
DrawBackground(CFWL_ThemeBackground * pParams)27 FX_BOOL CFWL_PushButtonTP::DrawBackground(CFWL_ThemeBackground* pParams) {
28   switch (pParams->m_iPart) {
29     case FWL_PART_PSB_Border: {
30       DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
31       break;
32     }
33     case FWL_PART_PSB_Edge: {
34       DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
35                &pParams->m_rtPart, &pParams->m_matrix);
36       break;
37     }
38     case FWL_PART_PSB_Background: {
39       CFX_RectF& rect = pParams->m_rtPart;
40       FX_FLOAT fRight = rect.right();
41       FX_FLOAT fBottom = rect.bottom();
42       CFX_Path strokePath;
43       strokePath.Create();
44       strokePath.MoveTo(rect.left + PUSHBUTTON_SIZE_Corner, rect.top);
45       strokePath.LineTo(fRight - PUSHBUTTON_SIZE_Corner, rect.top);
46       strokePath.LineTo(fRight, rect.top + PUSHBUTTON_SIZE_Corner);
47       strokePath.LineTo(fRight, fBottom - PUSHBUTTON_SIZE_Corner);
48       strokePath.LineTo(fRight - PUSHBUTTON_SIZE_Corner, fBottom);
49       strokePath.LineTo(rect.left + PUSHBUTTON_SIZE_Corner, fBottom);
50       strokePath.LineTo(rect.left, fBottom - PUSHBUTTON_SIZE_Corner);
51       strokePath.LineTo(rect.left, rect.top + PUSHBUTTON_SIZE_Corner);
52       strokePath.LineTo(rect.left + PUSHBUTTON_SIZE_Corner, rect.top);
53       CFX_Path fillPath;
54       fillPath.Create();
55       fillPath.AddSubpath(&strokePath);
56       CFX_Graphics* pGraphics = pParams->m_pGraphics;
57       pGraphics->SaveGraphState();
58       CFX_RectF rtInner(rect);
59       rtInner.Deflate(PUSHBUTTON_SIZE_Corner + 1, PUSHBUTTON_SIZE_Corner + 1,
60                       PUSHBUTTON_SIZE_Corner, PUSHBUTTON_SIZE_Corner);
61       fillPath.AddRectangle(rtInner.left, rtInner.top, rtInner.width,
62                             rtInner.height);
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       CFX_Color crStroke(m_pThemeData->clrBorder[iColor]);
70       pGraphics->SetStrokeColor(&crStroke);
71       pGraphics->StrokePath(&strokePath, &pParams->m_matrix);
72       fillPath.Clear();
73       fillPath.AddRectangle(rtInner.left, rtInner.top, rtInner.width,
74                             rtInner.height);
75       CFX_Color crFill(m_pThemeData->clrFill[iColor]);
76       pGraphics->SetFillColor(&crFill);
77       pGraphics->FillPath(&fillPath, FXFILL_WINDING, &pParams->m_matrix);
78       if (pParams->m_dwStates & FWL_PARTSTATE_PSB_Focused) {
79         rtInner.Inflate(1, 1, 0, 0);
80         DrawFocus(pGraphics, &rtInner, &pParams->m_matrix);
81       }
82       pGraphics->RestoreGraphState();
83       break;
84     }
85     default: {}
86   }
87   return TRUE;
88 }
GetCapacity(CFWL_ThemePart * pThemePart,FX_DWORD dwCapacity)89 void* CFWL_PushButtonTP::GetCapacity(CFWL_ThemePart* pThemePart,
90                                      FX_DWORD dwCapacity) {
91   if (dwCapacity == FWL_WGTCAPACITY_PSB_Margin) {
92     m_fValue = 0;
93     return &m_fValue;
94   }
95   return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
96 }
Initialize()97 FWL_ERR CFWL_PushButtonTP::Initialize() {
98   InitTTO();
99   return CFWL_WidgetTP::Initialize();
100 }
Finalize()101 FWL_ERR CFWL_PushButtonTP::Finalize() {
102   FinalizeTTO();
103   return CFWL_WidgetTP::Finalize();
104 }
SetThemeData(FX_DWORD dwID)105 void CFWL_PushButtonTP::SetThemeData(FX_DWORD dwID) {
106   if (dwID) {
107     m_pThemeData->clrBorder[0] = ArgbEncode(255, 55, 98, 6);
108     m_pThemeData->clrBorder[1] = ArgbEncode(255, 55, 98, 6);
109     m_pThemeData->clrBorder[2] = ArgbEncode(255, 55, 98, 6);
110     m_pThemeData->clrBorder[3] = ArgbEncode(255, 55, 98, 6);
111     m_pThemeData->clrBorder[4] = ArgbEncode(255, 172, 168, 153);
112     m_pThemeData->clrStart[0] = ArgbEncode(255, 255, 255, 246);
113     m_pThemeData->clrStart[1] = ArgbEncode(255, 223, 205, 180);
114     m_pThemeData->clrStart[2] = ArgbEncode(255, 252, 197, 149);
115     m_pThemeData->clrStart[3] = ArgbEncode(255, 194, 209, 143);
116     m_pThemeData->clrStart[4] = ArgbEncode(255, 216, 216, 216);
117     m_pThemeData->clrEnd[0] = ArgbEncode(255, 227, 209, 184);
118     m_pThemeData->clrEnd[1] = ArgbEncode(255, 248, 244, 228);
119     m_pThemeData->clrEnd[2] = ArgbEncode(255, 207, 114, 37);
120     m_pThemeData->clrEnd[3] = ArgbEncode(255, 144, 193, 84);
121     m_pThemeData->clrEnd[4] = ArgbEncode(255, 172, 168, 153);
122     m_pThemeData->clrFill[0] = ArgbEncode(255, 255, 255, 255);
123     m_pThemeData->clrFill[1] = ArgbEncode(255, 226, 225, 218);
124     m_pThemeData->clrFill[2] = ArgbEncode(255, 255, 255, 255);
125     m_pThemeData->clrFill[3] = ArgbEncode(255, 255, 255, 255);
126     m_pThemeData->clrFill[4] = ArgbEncode(255, 245, 244, 234);
127   } else {
128     m_pThemeData->clrBorder[0] = ArgbEncode(255, 0, 60, 116);
129     m_pThemeData->clrBorder[1] = ArgbEncode(255, 0, 60, 116);
130     m_pThemeData->clrBorder[2] = ArgbEncode(255, 0, 60, 116);
131     m_pThemeData->clrBorder[3] = ArgbEncode(255, 0, 60, 116);
132     m_pThemeData->clrBorder[4] = ArgbEncode(255, 201, 199, 186);
133     m_pThemeData->clrStart[0] = ArgbEncode(255, 255, 255, 255);
134     m_pThemeData->clrStart[1] = ArgbEncode(255, 209, 204, 193);
135     m_pThemeData->clrStart[2] = ArgbEncode(255, 255, 240, 207);
136     m_pThemeData->clrStart[3] = ArgbEncode(255, 206, 231, 255);
137     m_pThemeData->clrStart[4] = ArgbEncode(255, 245, 244, 234);
138     m_pThemeData->clrEnd[0] = ArgbEncode(255, 214, 208, 197);
139     m_pThemeData->clrEnd[1] = ArgbEncode(255, 242, 241, 238);
140     m_pThemeData->clrEnd[2] = ArgbEncode(255, 229, 151, 0);
141     m_pThemeData->clrEnd[3] = ArgbEncode(255, 105, 130, 238);
142     m_pThemeData->clrEnd[4] = ArgbEncode(255, 245, 244, 234);
143     m_pThemeData->clrFill[0] = ArgbEncode(255, 255, 255, 255);
144     m_pThemeData->clrFill[1] = ArgbEncode(255, 226, 225, 218);
145     m_pThemeData->clrFill[2] = ArgbEncode(255, 255, 255, 255);
146     m_pThemeData->clrFill[3] = ArgbEncode(255, 255, 255, 255);
147     m_pThemeData->clrFill[4] = ArgbEncode(255, 245, 244, 234);
148   }
149 }
GetColorID(FX_DWORD dwStates)150 int32_t CFWL_PushButtonTP::GetColorID(FX_DWORD dwStates) {
151   return dwStates &= FWL_PARTSTATE_PSB_Mask;
152 }
153