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135 lines
4.9 KiB
135 lines
4.9 KiB
// Copyright 2014 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#ifndef XFA_FWL_CFWL_LISTBOX_H_ |
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#define XFA_FWL_CFWL_LISTBOX_H_ |
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#include <memory> |
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#include <vector> |
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#include "xfa/fwl/cfwl_edit.h" |
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#include "xfa/fwl/cfwl_event.h" |
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#include "xfa/fwl/cfwl_listbox.h" |
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#include "xfa/fwl/cfwl_listitem.h" |
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#include "xfa/fwl/cfwl_widget.h" |
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#include "xfa/fwl/cfwl_widgetproperties.h" |
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#define FWL_STYLEEXT_LTB_MultiSelection (1L << 0) |
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#define FWL_STYLEEXT_LTB_LeftAlign (0L << 4) |
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#define FWL_STYLEEXT_LTB_CenterAlign (1L << 4) |
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#define FWL_STYLEEXT_LTB_RightAlign (2L << 4) |
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#define FWL_STYLEEXT_LTB_AlignMask (3L << 4) |
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#define FWL_STYLEEXT_LTB_ShowScrollBarFocus (1L << 10) |
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#define FWL_ITEMSTATE_LTB_Selected (1L << 0) |
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#define FWL_ITEMSTATE_LTB_Focused (1L << 1) |
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class CFWL_MessageKillFocus; |
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class CFWL_MessageMouse; |
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class CFWL_MessageMouseWheel; |
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class CFX_DIBitmap; |
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class CFWL_ListBox : public CFWL_Widget { |
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public: |
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explicit CFWL_ListBox(const CFWL_App* pApp, |
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std::unique_ptr<CFWL_WidgetProperties> properties, |
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CFWL_Widget* pOuter); |
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~CFWL_ListBox() override; |
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// CFWL_Widget |
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FWL_Type GetClassID() const override; |
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void Update() override; |
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FWL_WidgetHit HitTest(const CFX_PointF& point) override; |
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void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override; |
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void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; |
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void OnProcessMessage(CFWL_Message* pMessage) override; |
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void OnProcessEvent(CFWL_Event* pEvent) override; |
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void OnDrawWidget(CFX_Graphics* pGraphics, |
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const CFX_Matrix* pMatrix) override; |
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int32_t CountItems(const CFWL_Widget* pWidget) const; |
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CFWL_ListItem* GetItem(const CFWL_Widget* pWidget, int32_t nIndex) const; |
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int32_t GetItemIndex(CFWL_Widget* pWidget, CFWL_ListItem* pItem); |
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CFWL_ListItem* AddString(const CFX_WideStringC& wsAdd); |
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void RemoveAt(int32_t iIndex); |
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void DeleteString(CFWL_ListItem* pItem); |
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void DeleteAll(); |
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int32_t CountSelItems(); |
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CFWL_ListItem* GetSelItem(int32_t nIndexSel); |
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int32_t GetSelIndex(int32_t nIndex); |
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void SetSelItem(CFWL_ListItem* hItem, bool bSelect); |
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FX_FLOAT GetItemHeight() const { return m_fItemHeight; } |
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FX_FLOAT CalcItemHeight(); |
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protected: |
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CFWL_ListItem* GetListItem(CFWL_ListItem* hItem, uint32_t dwKeyCode); |
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void SetSelection(CFWL_ListItem* hStart, CFWL_ListItem* hEnd, bool bSelected); |
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CFWL_ListItem* GetItemAtPoint(const CFX_PointF& point); |
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bool ScrollToVisible(CFWL_ListItem* hItem); |
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void InitVerticalScrollBar(); |
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void InitHorizontalScrollBar(); |
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bool IsShowScrollBar(bool bVert); |
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CFWL_ScrollBar* GetVertScrollBar() const { return m_pVertScrollBar.get(); } |
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const CFX_RectF& GetRTClient() const { return m_rtClient; } |
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private: |
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void SetSelectionDirect(CFWL_ListItem* hItem, bool bSelect); |
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bool IsMultiSelection() const; |
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bool IsItemSelected(CFWL_ListItem* hItem); |
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void ClearSelection(); |
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void SelectAll(); |
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CFWL_ListItem* GetFocusedItem(); |
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void SetFocusItem(CFWL_ListItem* hItem); |
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void DrawBkground(CFX_Graphics* pGraphics, |
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IFWL_ThemeProvider* pTheme, |
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const CFX_Matrix* pMatrix); |
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void DrawItems(CFX_Graphics* pGraphics, |
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IFWL_ThemeProvider* pTheme, |
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const CFX_Matrix* pMatrix); |
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void DrawItem(CFX_Graphics* pGraphics, |
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IFWL_ThemeProvider* pTheme, |
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CFWL_ListItem* hItem, |
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int32_t Index, |
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const CFX_RectF& rtItem, |
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const CFX_Matrix* pMatrix); |
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void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme); |
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CFX_SizeF CalcSize(bool bAutoSize); |
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void UpdateItemSize(CFWL_ListItem* hItem, |
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CFX_SizeF& size, |
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FX_FLOAT fWidth, |
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FX_FLOAT fHeight, |
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bool bAutoSize) const; |
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FX_FLOAT GetMaxTextWidth(); |
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FX_FLOAT GetScrollWidth(); |
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void OnFocusChanged(CFWL_Message* pMsg, bool bSet); |
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void OnLButtonDown(CFWL_MessageMouse* pMsg); |
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void OnLButtonUp(CFWL_MessageMouse* pMsg); |
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void OnMouseWheel(CFWL_MessageMouseWheel* pMsg); |
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void OnKeyDown(CFWL_MessageKey* pMsg); |
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void OnVK(CFWL_ListItem* hItem, bool bShift, bool bCtrl); |
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bool OnScroll(CFWL_ScrollBar* pScrollBar, |
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CFWL_EventScroll::Code dwCode, |
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FX_FLOAT fPos); |
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CFX_RectF m_rtClient; |
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CFX_RectF m_rtStatic; |
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CFX_RectF m_rtConent; |
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std::unique_ptr<CFWL_ScrollBar> m_pHorzScrollBar; |
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std::unique_ptr<CFWL_ScrollBar> m_pVertScrollBar; |
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uint32_t m_dwTTOStyles; |
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int32_t m_iTTOAligns; |
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CFWL_ListItem* m_hAnchor; |
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FX_FLOAT m_fItemHeight; |
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FX_FLOAT m_fScorllBarWidth; |
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bool m_bLButtonDown; |
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IFWL_ThemeProvider* m_pScrollBarTP; |
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std::vector<std::unique_ptr<CFWL_ListItem>> m_ItemArray; |
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}; |
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#endif // XFA_FWL_CFWL_LISTBOX_H_
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