1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FWL_CFWL_LISTBOX_H_
#define XFA_FWL_CFWL_LISTBOX_H_
#include <memory>
#include <vector>
#include "xfa/fwl/cfwl_edit.h"
#include "xfa/fwl/cfwl_event.h"
#include "xfa/fwl/cfwl_listbox.h"
#include "xfa/fwl/cfwl_listitem.h"
#include "xfa/fwl/cfwl_widget.h"
#include "xfa/fwl/cfwl_widgetproperties.h"
#define FWL_STYLEEXT_LTB_MultiSelection (1L << 0)
#define FWL_STYLEEXT_LTB_LeftAlign (0L << 4)
#define FWL_STYLEEXT_LTB_CenterAlign (1L << 4)
#define FWL_STYLEEXT_LTB_RightAlign (2L << 4)
#define FWL_STYLEEXT_LTB_AlignMask (3L << 4)
#define FWL_STYLEEXT_LTB_ShowScrollBarFocus (1L << 10)
#define FWL_ITEMSTATE_LTB_Selected (1L << 0)
#define FWL_ITEMSTATE_LTB_Focused (1L << 1)
class CFWL_MessageKillFocus;
class CFWL_MessageMouse;
class CFWL_MessageMouseWheel;
class CFX_DIBitmap;
class CFWL_ListBox : public CFWL_Widget {
public:
explicit CFWL_ListBox(const CFWL_App* pApp,
std::unique_ptr<CFWL_WidgetProperties> properties,
CFWL_Widget* pOuter);
~CFWL_ListBox() override;
// CFWL_Widget
FWL_Type GetClassID() const override;
void Update() override;
FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override;
void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) override;
int32_t CountItems(const CFWL_Widget* pWidget) const;
CFWL_ListItem* GetItem(const CFWL_Widget* pWidget, int32_t nIndex) const;
int32_t GetItemIndex(CFWL_Widget* pWidget, CFWL_ListItem* pItem);
CFWL_ListItem* AddString(const CFX_WideStringC& wsAdd);
void RemoveAt(int32_t iIndex);
void DeleteString(CFWL_ListItem* pItem);
void DeleteAll();
int32_t CountSelItems();
CFWL_ListItem* GetSelItem(int32_t nIndexSel);
int32_t GetSelIndex(int32_t nIndex);
void SetSelItem(CFWL_ListItem* hItem, bool bSelect);
FX_FLOAT GetItemHeight() const { return m_fItemHeight; }
FX_FLOAT CalcItemHeight();
protected:
CFWL_ListItem* GetListItem(CFWL_ListItem* hItem, uint32_t dwKeyCode);
void SetSelection(CFWL_ListItem* hStart, CFWL_ListItem* hEnd, bool bSelected);
CFWL_ListItem* GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy);
bool ScrollToVisible(CFWL_ListItem* hItem);
void InitVerticalScrollBar();
void InitHorizontalScrollBar();
bool IsShowScrollBar(bool bVert);
CFWL_ScrollBar* GetVertScrollBar() const { return m_pVertScrollBar.get(); }
const CFX_RectF& GetRTClient() const { return m_rtClient; }
private:
void SetSelectionDirect(CFWL_ListItem* hItem, bool bSelect);
bool IsMultiSelection() const;
bool IsItemSelected(CFWL_ListItem* hItem);
void ClearSelection();
void SelectAll();
CFWL_ListItem* GetFocusedItem();
void SetFocusItem(CFWL_ListItem* hItem);
void DrawBkground(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix);
void DrawItems(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix);
void DrawItem(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
CFWL_ListItem* hItem,
int32_t Index,
const CFX_RectF& rtItem,
const CFX_Matrix* pMatrix);
void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme);
CFX_SizeF CalcSize(bool bAutoSize);
void UpdateItemSize(CFWL_ListItem* hItem,
CFX_SizeF& size,
FX_FLOAT fWidth,
FX_FLOAT fHeight,
bool bAutoSize) const;
FX_FLOAT GetMaxTextWidth();
FX_FLOAT GetScrollWidth();
void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
void OnLButtonDown(CFWL_MessageMouse* pMsg);
void OnLButtonUp(CFWL_MessageMouse* pMsg);
void OnMouseWheel(CFWL_MessageMouseWheel* pMsg);
void OnKeyDown(CFWL_MessageKey* pMsg);
void OnVK(CFWL_ListItem* hItem, bool bShift, bool bCtrl);
bool OnScroll(CFWL_ScrollBar* pScrollBar,
CFWL_EventScroll::Code dwCode,
FX_FLOAT fPos);
CFX_RectF m_rtClient;
CFX_RectF m_rtStatic;
CFX_RectF m_rtConent;
std::unique_ptr<CFWL_ScrollBar> m_pHorzScrollBar;
std::unique_ptr<CFWL_ScrollBar> m_pVertScrollBar;
uint32_t m_dwTTOStyles;
int32_t m_iTTOAligns;
CFWL_ListItem* m_hAnchor;
FX_FLOAT m_fItemHeight;
FX_FLOAT m_fScorllBarWidth;
bool m_bLButtonDown;
IFWL_ThemeProvider* m_pScrollBarTP;
std::vector<std::unique_ptr<CFWL_ListItem>> m_ItemArray;
};
#endif // XFA_FWL_CFWL_LISTBOX_H_
|
