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#ifndef _FWL_WIDGET_LIGHT_H
8#define _FWL_WIDGET_LIGHT_H
9
10#include "xfa/include/fwl/core/fwl_widget.h"
11
12class CFWL_Event;
13class CFWL_Message;
14class CFWL_Widget;
15class CFWL_WidgetDelegate;
16class CFWL_WidgetMgr;
17
18class CFWL_WidgetProperties {
19 public:
20  CFWL_WidgetProperties() {
21    m_ctmOnParent.SetIdentity();
22    m_rtWidget.Set(0, 0, 0, 0);
23    m_dwStyles = FWL_WGTSTYLE_Child;
24    m_dwStyleExes = 0;
25    m_dwStates = 0;
26    m_pParent = NULL;
27    m_pOwner = NULL;
28  }
29  CFWL_WidgetImpProperties MakeWidgetImpProperties(
30      IFWL_DataProvider* pDataProvider) const;
31
32  CFX_WideString m_wsWindowclass;
33  CFX_Matrix m_ctmOnParent;
34  CFX_RectF m_rtWidget;
35  FX_DWORD m_dwStyles;
36  FX_DWORD m_dwStyleExes;
37  FX_DWORD m_dwStates;
38  CFWL_Widget* m_pParent;
39  CFWL_Widget* m_pOwner;
40};
41
42class CFWL_Widget {
43 public:
44  virtual ~CFWL_Widget();
45  IFWL_Widget* GetWidget();
46  FWL_ERR GetClassName(CFX_WideString& wsClass) const;
47  FX_DWORD GetClassID() const;
48  virtual FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
49
50 protected:
51  FWL_ERR Initialize(const CFWL_WidgetProperties* pProperties = NULL);
52
53 public:
54  FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
55  FWL_ERR GetGlobalRect(CFX_RectF& rect);
56  FWL_ERR SetWidgetRect(const CFX_RectF& rect);
57  FWL_ERR GetClientRect(CFX_RectF& rtClient);
58  CFWL_Widget* GetParent();
59  FWL_ERR SetParent(CFWL_Widget* pParent);
60  CFWL_Widget* GetOwner();
61  FWL_ERR SetOwner(CFWL_Widget* pOwner);
62  FX_DWORD GetStyles();
63  FWL_ERR ModifyStyles(FX_DWORD dwStylesAdded, FX_DWORD dwStylesRemoved);
64  FX_DWORD GetStylesEx();
65  FWL_ERR ModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved);
66  FX_DWORD GetStates();
67  FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
68  FWL_ERR SetPrivateData(void* module_id,
69                         void* pData,
70                         PD_CALLBACK_FREEDATA callback);
71  void* GetPrivateData(void* module_id);
72  FWL_ERR Update();
73  FWL_ERR LockUpdate();
74  FWL_ERR UnlockUpdate();
75  FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
76  FWL_ERR TransformTo(CFWL_Widget* pWidget, FX_FLOAT& fx, FX_FLOAT& fy);
77  FWL_ERR TransformTo(CFWL_Widget* pWidget, CFX_RectF& rt);
78  FWL_ERR GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal = FALSE);
79  FWL_ERR SetMatrix(const CFX_Matrix& matrix);
80  FWL_ERR DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = NULL);
81  IFWL_WidgetDelegate* SetDelegate(IFWL_WidgetDelegate* pDelegate);
82  FWL_ERR Repaint(const CFX_RectF* pRect = NULL);
83  FWL_ERR SetFocus(FX_BOOL bFocus);
84  FWL_ERR SetGrab(FX_BOOL bSet);
85  CFWL_Widget();
86
87  void RegisterEventTarget(CFWL_Widget* pEventSource = NULL,
88                           FX_DWORD dwFilter = FWL_EVENT_ALL_MASK);
89  void DispatchEvent(CFWL_Event* pEvent);
90  CFX_SizeF CalcTextSize(const CFX_WideString& wsText,
91                         FX_BOOL bMultiLine = FALSE,
92                         int32_t iLineWidth = -1);
93  IFWL_Widget* m_pIface;
94  IFWL_WidgetDelegate* m_pDelegate;
95  CFWL_WidgetMgr* m_pWidgetMgr;
96  CFWL_WidgetProperties* m_pProperties;
97};
98class CFWL_WidgetDelegate {
99 public:
100  CFWL_WidgetDelegate();
101  virtual ~CFWL_WidgetDelegate();
102  virtual int32_t OnProcessMessage(CFWL_Message* pMessage);
103  virtual FWL_ERR OnProcessEvent(CFWL_Event* pEvent);
104  virtual FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
105                               const CFX_Matrix* pMatrix = NULL);
106};
107#endif
108