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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 #ifndef XFA_FWL_CORE_IFWL_CHECKBOX_H_ | |
8 #define XFA_FWL_CORE_IFWL_CHECKBOX_H_ | |
9 | |
10 #include <memory> | |
11 | |
12 #include "xfa/fwl/core/cfwl_event.h" | |
13 #include "xfa/fwl/core/cfwl_widgetproperties.h" | |
14 #include "xfa/fwl/core/ifwl_widget.h" | |
15 | |
16 #define FWL_STYLEEXT_CKB_Left (0L << 0) | |
17 #define FWL_STYLEEXT_CKB_Center (1L << 0) | |
18 #define FWL_STYLEEXT_CKB_Right (2L << 0) | |
19 #define FWL_STYLEEXT_CKB_Top (0L << 2) | |
20 #define FWL_STYLEEXT_CKB_VCenter (1L << 2) | |
21 #define FWL_STYLEEXT_CKB_Bottom (2L << 2) | |
22 #define FWL_STYLEEXT_CKB_LeftText (1L << 4) | |
23 #define FWL_STYLEEXT_CKB_MultiLine (1L << 5) | |
24 #define FWL_STYLEEXT_CKB_3State (1L << 6) | |
25 #define FWL_STYLEEXT_CKB_RadioButton (1L << 7) | |
26 #define FWL_STYLEEXT_CKB_ShapeSolidSquare (0L << 8) | |
27 #define FWL_STYLEEXT_CKB_ShapeSunkenSquare (1L << 8) | |
28 #define FWL_STYLEEXT_CKB_ShapeSolidCircle (2L << 8) | |
29 #define FWL_STYLEEXT_CKB_ShapeSunkenCircle (3L << 8) | |
30 #define FWL_STYLEEXT_CKB_SignShapeCheck (0L << 10) | |
31 #define FWL_STYLEEXT_CKB_SignShapeCircle (1L << 10) | |
32 #define FWL_STYLEEXT_CKB_SignShapeCross (2L << 10) | |
33 #define FWL_STYLEEXT_CKB_SignShapeDiamond (3L << 10) | |
34 #define FWL_STYLEEXT_CKB_SignShapeSquare (4L << 10) | |
35 #define FWL_STYLEEXT_CKB_SignShapeStar (5L << 10) | |
36 #define FWL_STYLEEXT_CKB_HLayoutMask (3L << 0) | |
37 #define FWL_STYLEEXT_CKB_VLayoutMask (3L << 2) | |
38 #define FWL_STYLEEXT_CKB_ShapeMask (3L << 8) | |
39 #define FWL_STYLEEXT_CKB_SignShapeMask (7L << 10) | |
40 #define FWL_STATE_CKB_Hovered (1 << FWL_WGTSTATE_MAX) | |
41 #define FWL_STATE_CKB_Pressed (1 << (FWL_WGTSTATE_MAX + 1)) | |
42 #define FWL_STATE_CKB_Unchecked (0 << (FWL_WGTSTATE_MAX + 2)) | |
43 #define FWL_STATE_CKB_Checked (1 << (FWL_WGTSTATE_MAX + 2)) | |
44 #define FWL_STATE_CKB_Neutral (2 << (FWL_WGTSTATE_MAX + 2)) | |
45 #define FWL_STATE_CKB_CheckMask (3L << (FWL_WGTSTATE_MAX + 2)) | |
46 | |
47 class CFWL_MsgMouse; | |
48 class CFWL_WidgetProperties; | |
49 class IFWL_Widget; | |
50 | |
51 class IFWL_CheckBox : public IFWL_Widget { | |
52 public: | |
53 class DataProvider { | |
54 public: | |
55 virtual FX_FLOAT GetBoxSize(IFWL_Widget* pWidget) = 0; | |
56 }; | |
57 | |
58 IFWL_CheckBox(const CFWL_App* app, | |
59 std::unique_ptr<CFWL_WidgetProperties> properties); | |
60 ~IFWL_CheckBox() override; | |
61 | |
62 // IFWL_Widget | |
63 FWL_Type GetClassID() const override; | |
64 void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override; | |
65 void Update() override; | |
66 void DrawWidget(CFX_Graphics* pGraphics, | |
67 const CFX_Matrix* pMatrix = nullptr) override; | |
68 | |
69 void OnProcessMessage(CFWL_Message* pMessage) override; | |
70 void OnDrawWidget(CFX_Graphics* pGraphics, | |
71 const CFX_Matrix* pMatrix) override; | |
72 | |
73 void SetDataProvider(IFWL_CheckBox::DataProvider* pProvider) { | |
74 m_pDataProvider = pProvider; | |
75 } | |
76 | |
77 private: | |
78 void SetCheckState(int32_t iCheck); | |
79 void Layout(); | |
80 uint32_t GetPartStates() const; | |
81 void UpdateTextOutStyles(); | |
82 void NextStates(); | |
83 void OnFocusChanged(bool bSet); | |
84 void OnLButtonDown(); | |
85 void OnLButtonUp(CFWL_MsgMouse* pMsg); | |
86 void OnMouseMove(CFWL_MsgMouse* pMsg); | |
87 void OnMouseLeave(); | |
88 void OnKeyDown(CFWL_MsgKey* pMsg); | |
89 | |
90 IFWL_CheckBox::DataProvider* m_pDataProvider; // Not owned. | |
91 CFX_RectF m_rtClient; | |
92 CFX_RectF m_rtBox; | |
93 CFX_RectF m_rtCaption; | |
94 CFX_RectF m_rtFocus; | |
95 uint32_t m_dwTTOStyles; | |
96 int32_t m_iTTOAlign; | |
97 bool m_bBtnDown; | |
98 }; | |
99 | |
100 #endif // XFA_FWL_CORE_IFWL_CHECKBOX_H_ | |
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