You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
4.9 KiB
136 lines
4.9 KiB
// 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(const CFX_PointF& point) override;
|
|
void DrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix& matrix) override;
|
|
void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
|
|
void OnProcessMessage(CFWL_Message* pMessage) override;
|
|
void OnProcessEvent(CFWL_Event* pEvent) override;
|
|
void OnDrawWidget(CXFA_Graphics* pGraphics,
|
|
const CFX_Matrix& matrix) 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 WideString& 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);
|
|
|
|
float GetItemHeight() const { return m_fItemHeight; }
|
|
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(const CFX_PointF& point);
|
|
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(CXFA_Graphics* pGraphics,
|
|
IFWL_ThemeProvider* pTheme,
|
|
const CFX_Matrix* pMatrix);
|
|
void DrawItems(CXFA_Graphics* pGraphics,
|
|
IFWL_ThemeProvider* pTheme,
|
|
const CFX_Matrix* pMatrix);
|
|
void DrawItem(CXFA_Graphics* pGraphics,
|
|
IFWL_ThemeProvider* pTheme,
|
|
CFWL_ListItem* hItem,
|
|
int32_t Index,
|
|
const CFX_RectF& rtItem,
|
|
const CFX_Matrix* pMatrix);
|
|
void DrawStatic(CXFA_Graphics* pGraphics, IFWL_ThemeProvider* pTheme);
|
|
CFX_SizeF CalcSize(bool bAutoSize);
|
|
void UpdateItemSize(CFWL_ListItem* hItem,
|
|
CFX_SizeF& size,
|
|
float fWidth,
|
|
float fHeight,
|
|
bool bAutoSize) const;
|
|
float GetMaxTextWidth();
|
|
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,
|
|
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;
|
|
FDE_TextStyle m_TTOStyles;
|
|
FDE_TextAlignment m_iTTOAligns = FDE_TextAlignment::kTopLeft;
|
|
bool m_bLButtonDown = false;
|
|
float m_fItemHeight = 0.0f;
|
|
float m_fScorllBarWidth = 0.0f;
|
|
CFWL_ListItem* m_hAnchor = nullptr;
|
|
IFWL_ThemeProvider* m_pScrollBarTP = nullptr;
|
|
std::vector<std::unique_ptr<CFWL_ListItem>> m_ItemArray;
|
|
};
|
|
|
|
#endif // XFA_FWL_CFWL_LISTBOX_H_
|