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Diffstat (limited to 'xfa/fwl/cfwl_listbox.h')
| -rw-r--r-- | xfa/fwl/cfwl_listbox.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/xfa/fwl/cfwl_listbox.h b/xfa/fwl/cfwl_listbox.h new file mode 100644 index 0000000000..cdc3ef8933 --- /dev/null +++ b/xfa/fwl/cfwl_listbox.h @@ -0,0 +1,169 @@ +// 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_ShowScrollBarAlaways (1L << 2) +#define FWL_STYLEEXT_LTB_MultiColumn (1L << 3) +#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_MultiLine (1L << 6) +#define FWL_STYLEEXT_LTB_OwnerDraw (1L << 7) +#define FWL_STYLEEXT_LTB_Icon (1L << 8) +#define FWL_STYLEEXT_LTB_Check (1L << 9) +#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) +#define FWL_ITEMSTATE_LTB_Checked (1L << 2) + +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); + uint32_t GetItemStyles(CFWL_Widget* pWidget, CFWL_ListItem* pItem); + uint32_t GetItemStates(CFWL_ListItem* pItem); + CFX_WideString GetItemText(CFWL_Widget* pWidget, CFWL_ListItem* pItem); + void GetItemRect(CFWL_Widget* pWidget, + CFWL_ListItem* pItem, + CFX_RectF& rtItem); + void* GetItemData(CFWL_Widget* pWidget, CFWL_ListItem* pItem); + void SetItemStyles(CFWL_Widget* pWidget, + CFWL_ListItem* pItem, + uint32_t dwStyle); + void SetItemRect(CFWL_Widget* pWidget, + CFWL_ListItem* pItem, + const CFX_RectF& rtItem); + CFX_DIBitmap* GetItemIcon(CFWL_Widget* pWidget, CFWL_ListItem* pItem); + void GetItemCheckRect(CFWL_Widget* pWidget, + CFWL_ListItem* pItem, + CFX_RectF& rtCheck); + void SetItemCheckRect(CFWL_Widget* pWidget, + CFWL_ListItem* pItem, + const CFX_RectF& rtCheck); + uint32_t GetItemCheckState(CFWL_Widget* pWidget, CFWL_ListItem* pItem); + void SetItemCheckState(CFWL_Widget* pWidget, + CFWL_ListItem* pItem, + uint32_t dwCheckState); + CFWL_ListItem* AddString(const CFX_WideStringC& wsAdd); + bool RemoveAt(int32_t iIndex); + bool 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); + CFX_WideString GetDataProviderItemText(CFWL_ListItem* hItem); + + 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); + bool GetItemCheckRectInternal(CFWL_ListItem* hItem, CFX_RectF& rtCheck); + bool SetItemChecked(CFWL_ListItem* hItem, bool bChecked); + bool GetItemChecked(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 GetItemSize(CFX_SizeF& size, + CFWL_ListItem* hItem, + FX_FLOAT fWidth, + FX_FLOAT fHeight, + bool bAutoSize); + 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_ |