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Side by Side Diff: xfa/fwl/core/cfwl_combobox.h

Issue 2559173002: Move xfa/fwl/core to xfa/fwl. (Closed)
Patch Set: Created 4 years ago
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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_CFWL_COMBOBOX_H_
8 #define XFA_FWL_CORE_CFWL_COMBOBOX_H_
9
10 #include <memory>
11
12 #include "xfa/fwl/core/cfwl_comboboxproxy.h"
13 #include "xfa/fwl/core/cfwl_comboedit.h"
14 #include "xfa/fwl/core/cfwl_combolist.h"
15 #include "xfa/fwl/core/cfwl_form.h"
16 #include "xfa/fwl/core/cfwl_listbox.h"
17 #include "xfa/fxgraphics/cfx_graphics.h"
18
19 class CFWL_WidgetProperties;
20 class CFWL_ComboBox;
21 class CFWL_ComboBoxProxy;
22 class CFWL_FormProxy;
23 class CFWL_ListBox;
24 class CFWL_Widget;
25
26 #define FWL_STYLEEXT_CMB_DropList (0L << 0)
27 #define FWL_STYLEEXT_CMB_DropDown (1L << 0)
28 #define FWL_STYLEEXT_CMB_Sort (1L << 1)
29 #define FWL_STYLEEXT_CMB_ListDrag (1L << 2)
30 #define FWL_STYLEEXT_CMB_OwnerDraw (1L << 3)
31 #define FWL_STYLEEXT_CMB_EditHNear (0L << 4)
32 #define FWL_STYLEEXT_CMB_EditHCenter (1L << 4)
33 #define FWL_STYLEEXT_CMB_EditHFar (2L << 4)
34 #define FWL_STYLEEXT_CMB_EditVNear (0L << 6)
35 #define FWL_STYLEEXT_CMB_EditVCenter (1L << 6)
36 #define FWL_STYLEEXT_CMB_EditVFar (2L << 6)
37 #define FWL_STYLEEXT_CMB_EditJustified (1L << 8)
38 #define FWL_STYLEEXT_CMB_EditDistributed (2L << 8)
39 #define FWL_STYLEEXT_CMB_EditHAlignMask (3L << 4)
40 #define FWL_STYLEEXT_CMB_EditVAlignMask (3L << 6)
41 #define FWL_STYLEEXT_CMB_EditHAlignModeMask (3L << 8)
42 #define FWL_STYLEEXT_CMB_ListItemLeftAlign (0L << 10)
43 #define FWL_STYLEEXT_CMB_ListItemCenterAlign (1L << 10)
44 #define FWL_STYLEEXT_CMB_ListItemRightAlign (2L << 10)
45 #define FWL_STYLEEXT_CMB_ListItemAlignMask (3L << 10)
46 #define FWL_STYLEEXT_CMB_ListItemText (0L << 12)
47 #define FWL_STYLEEXT_CMB_ListItemIconText (1L << 12)
48 #define FWL_STYLEEXT_CMB_ReadOnly (1L << 13)
49
50 class CFWL_ComboBox : public CFWL_Widget {
51 public:
52 explicit CFWL_ComboBox(const CFWL_App* pApp);
53 ~CFWL_ComboBox() override;
54
55 // CFWL_Widget
56 FWL_Type GetClassID() const override;
57 void ModifyStylesEx(uint32_t dwStylesExAdded,
58 uint32_t dwStylesExRemoved) override;
59 void SetStates(uint32_t dwStates) override;
60 void RemoveStates(uint32_t dwStates) override;
61 void Update() override;
62 FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
63 void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override;
64 void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
65 void OnProcessMessage(CFWL_Message* pMessage) override;
66 void OnProcessEvent(CFWL_Event* pEvent) override;
67 void OnDrawWidget(CFX_Graphics* pGraphics,
68 const CFX_Matrix* pMatrix) override;
69
70 CFX_WideString GetTextByIndex(int32_t iIndex) const;
71 int32_t GetCurSel() const { return m_iCurSel; }
72 void SetCurSel(int32_t iSel);
73
74 void AddString(const CFX_WideStringC& wsText);
75 bool RemoveAt(int32_t iIndex); // Returns false iff |iIndex| out of range.
76 void RemoveAll();
77
78 void SetEditText(const CFX_WideString& wsText);
79 CFX_WideString GetEditText() const;
80
81 void OpenDropDownList(bool bActivate);
82
83 bool EditCanUndo() const { return m_pEdit->CanUndo(); }
84 bool EditCanRedo() const { return m_pEdit->CanRedo(); }
85 bool EditUndo() { return m_pEdit->Undo(); }
86 bool EditRedo() { return m_pEdit->Redo(); }
87 bool EditCanCopy() const { return m_pEdit->CountSelRanges() > 0; }
88 bool EditCanCut() const {
89 if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly)
90 return false;
91 return EditCanCopy();
92 }
93 bool EditCanSelectAll() const { return m_pEdit->GetTextLength() > 0; }
94 bool EditCopy(CFX_WideString& wsCopy) const { return m_pEdit->Copy(wsCopy); }
95 bool EditCut(CFX_WideString& wsCut) { return m_pEdit->Cut(wsCut); }
96 bool EditPaste(const CFX_WideString& wsPaste) {
97 return m_pEdit->Paste(wsPaste);
98 }
99 void EditSelectAll() { m_pEdit->AddSelRange(0); }
100 void EditDelete() { m_pEdit->ClearText(); }
101 void EditDeSelect() { m_pEdit->ClearSelections(); }
102
103 CFX_RectF GetBBox() const;
104 void EditModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved);
105
106 void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix);
107 bool IsDropListVisible() const {
108 return m_pComboBoxProxy &&
109 !(m_pComboBoxProxy->GetStates() & FWL_WGTSTATE_Invisible);
110 }
111 void ShowDropList(bool bActivate);
112
113 CFWL_ComboEdit* GetComboEdit() const { return m_pEdit.get(); }
114
115 void ProcessSelChanged(bool bLButtonUp);
116 int32_t GetCurrentSelection() const { return m_iCurSel; }
117
118 private:
119 bool IsDropDownStyle() const {
120 return !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown);
121 }
122 void MatchEditText();
123 void SyncEditText(int32_t iListItem);
124 void Layout();
125 void ResetTheme();
126 void ResetEditAlignment();
127 void ResetListItemAlignment();
128 void InitProxyForm();
129 void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
130 void OnLButtonDown(CFWL_MsgMouse* pMsg);
131 void OnLButtonUp(CFWL_MsgMouse* pMsg);
132 void OnMouseMove(CFWL_MsgMouse* pMsg);
133 void OnMouseLeave(CFWL_MsgMouse* pMsg);
134 void OnKey(CFWL_MsgKey* pMsg);
135 void DoSubCtrlKey(CFWL_MsgKey* pMsg);
136
137 void DisForm_InitComboList();
138 void DisForm_InitComboEdit();
139 void DisForm_ShowDropList(bool bActivate);
140 bool DisForm_IsDropListVisible() const {
141 return !(m_pListBox->GetStates() & FWL_WGTSTATE_Invisible);
142 }
143 void DisForm_ModifyStylesEx(uint32_t dwStylesExAdded,
144 uint32_t dwStylesExRemoved);
145 void DisForm_Update();
146 FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
147 void DisForm_DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix);
148 CFX_RectF DisForm_GetBBox() const;
149 void DisForm_Layout();
150 void DisForm_OnProcessMessage(CFWL_Message* pMessage);
151 void DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg);
152 void DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet);
153 void DisForm_OnKey(CFWL_MsgKey* pMsg);
154
155 CFX_RectF m_rtClient;
156 CFX_RectF m_rtContent;
157 CFX_RectF m_rtBtn;
158 CFX_RectF m_rtList;
159 CFX_RectF m_rtProxy;
160 CFX_RectF m_rtHandler;
161 std::unique_ptr<CFWL_ComboEdit> m_pEdit;
162 std::unique_ptr<CFWL_ComboList> m_pListBox;
163 CFWL_ComboBoxProxy* m_pComboBoxProxy; // Can this be a unique_ptr?
164 bool m_bLButtonDown;
165 bool m_bUpFormHandler;
166 int32_t m_iCurSel;
167 int32_t m_iBtnState;
168 FX_FLOAT m_fComboFormHandler;
169 FX_FLOAT m_fItemHeight;
170 };
171
172 #endif // XFA_FWL_CORE_CFWL_COMBOBOX_H_
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