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Diffstat (limited to 'xfa/fwl/core/ifwl_listbox.h')
| -rw-r--r-- | xfa/fwl/core/ifwl_listbox.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_listbox.h b/xfa/fwl/core/ifwl_listbox.h new file mode 100644 index 0000000000..79fb2e94cc --- /dev/null +++ b/xfa/fwl/core/ifwl_listbox.h @@ -0,0 +1,210 @@ +// 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_CORE_IFWL_LISTBOX_H_ +#define XFA_FWL_CORE_IFWL_LISTBOX_H_ + +#include <memory> + +#include "xfa/fwl/core/cfwl_event.h" +#include "xfa/fwl/core/cfwl_widgetimpproperties.h" +#include "xfa/fwl/core/ifwl_dataprovider.h" +#include "xfa/fwl/core/ifwl_edit.h" +#include "xfa/fwl/core/ifwl_listbox.h" +#include "xfa/fwl/core/ifwl_widget.h" + +#define FWL_CLASS_ListBox L"FWL_LISTBOX" +#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_ListBoxImpDelegate; +class CFWL_MsgKillFocus; +class CFWL_MsgMouse; +class CFWL_MsgMouseWheel; +class CFX_DIBitmap; + +FWL_EVENT_DEF(CFWL_EvtLtbSelChanged, + CFWL_EventType::SelectChanged, + CFX_Int32Array iarraySels;) + +FWL_EVENT_DEF(CFWL_EvtLtbDrawItem, + CFWL_EventType::DrawItem, + CFX_Graphics* m_pGraphics; + CFX_Matrix m_matrix; + int32_t m_index; + CFX_RectF m_rect;) + +class IFWL_ListItem {}; + +class IFWL_ListBoxDP : public IFWL_DataProvider { + public: + virtual int32_t CountItems(const IFWL_Widget* pWidget) = 0; + virtual IFWL_ListItem* GetItem(const IFWL_Widget* pWidget, + int32_t nIndex) = 0; + virtual int32_t GetItemIndex(IFWL_Widget* pWidget, IFWL_ListItem* pItem) = 0; + virtual FX_BOOL SetItemIndex(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + int32_t nIndex) = 0; + virtual uint32_t GetItemStyles(IFWL_Widget* pWidget, + IFWL_ListItem* pItem) = 0; + virtual FWL_Error GetItemText(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + CFX_WideString& wsText) = 0; + virtual FWL_Error GetItemRect(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + CFX_RectF& rtItem) = 0; + virtual void* GetItemData(IFWL_Widget* pWidget, IFWL_ListItem* pItem) = 0; + virtual FWL_Error SetItemStyles(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + uint32_t dwStyle) = 0; + virtual FWL_Error SetItemText(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + const FX_WCHAR* pszText) = 0; + virtual FWL_Error SetItemRect(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + const CFX_RectF& rtItem) = 0; + virtual FX_FLOAT GetItemHeight(IFWL_Widget* pWidget) = 0; + virtual CFX_DIBitmap* GetItemIcon(IFWL_Widget* pWidget, + IFWL_ListItem* pItem) = 0; + virtual FWL_Error GetItemCheckRect(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + CFX_RectF& rtCheck) = 0; + virtual FWL_Error SetItemCheckRect(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + const CFX_RectF& rtCheck) = 0; + virtual uint32_t GetItemCheckState(IFWL_Widget* pWidget, + IFWL_ListItem* pItem) = 0; + virtual FWL_Error SetItemCheckState(IFWL_Widget* pWidget, + IFWL_ListItem* pItem, + uint32_t dwCheckState) = 0; +}; + +class IFWL_ListBoxCompare { + public: + virtual ~IFWL_ListBoxCompare() {} + virtual int32_t Compare(IFWL_ListItem* hLeft, IFWL_ListItem* hRight) = 0; +}; + +class IFWL_ListBox : public IFWL_Widget { + public: + static IFWL_ListBox* Create(const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter); + + IFWL_ListBox(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter); + ~IFWL_ListBox() override; + + // IFWL_Widget + FWL_Error GetClassName(CFX_WideString& wsClass) const override; + FWL_Type GetClassID() const override; + FWL_Error Initialize() override; + FWL_Error Finalize() override; + FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override; + FWL_Error Update() override; + FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override; + FWL_Error DrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix = nullptr) override; + FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; + + int32_t CountSelItems(); + IFWL_ListItem* GetSelItem(int32_t nIndexSel); + int32_t GetSelIndex(int32_t nIndex); + FWL_Error SetSelItem(IFWL_ListItem* hItem, FX_BOOL bSelect = TRUE); + FWL_Error GetItemText(IFWL_ListItem* hItem, CFX_WideString& wsText); + FWL_Error GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert = TRUE); + FWL_Error* Sort(IFWL_ListBoxCompare* pCom); + + protected: + friend class CFWL_ListBoxImpDelegate; + + IFWL_ListItem* GetItem(IFWL_ListItem* hItem, uint32_t dwKeyCode); + void SetSelection(IFWL_ListItem* hStart, + IFWL_ListItem* hEnd, + FX_BOOL bSelected); + void SetSelectionDirect(IFWL_ListItem* hItem, FX_BOOL bSelect); + FX_BOOL IsItemSelected(IFWL_ListItem* hItem); + void ClearSelection(); + void SelectAll(); + IFWL_ListItem* GetFocusedItem(); + void SetFocusItem(IFWL_ListItem* hItem); + IFWL_ListItem* GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy); + FX_BOOL GetItemCheckRect(IFWL_ListItem* hItem, CFX_RectF& rtCheck); + FX_BOOL SetItemChecked(IFWL_ListItem* hItem, FX_BOOL bChecked); + FX_BOOL GetItemChecked(IFWL_ListItem* hItem); + FX_BOOL ScrollToVisible(IFWL_ListItem* hItem); + void DrawBkground(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix = nullptr); + void DrawItems(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix = nullptr); + void DrawItem(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + IFWL_ListItem* hItem, + int32_t Index, + const CFX_RectF& rtItem, + const CFX_Matrix* pMatrix = nullptr); + void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme); + CFX_SizeF CalcSize(FX_BOOL bAutoSize = FALSE); + void GetItemSize(CFX_SizeF& size, + IFWL_ListItem* hItem, + FX_FLOAT fWidth, + FX_FLOAT fHeight, + FX_BOOL bAutoSize = FALSE); + FX_FLOAT GetMaxTextWidth(); + FX_FLOAT GetScrollWidth(); + FX_FLOAT GetItemHeigt(); + void InitScrollBar(FX_BOOL bVert = TRUE); + FX_BOOL IsShowScrollBar(FX_BOOL bVert); + void ProcessSelChanged(); + + CFX_RectF m_rtClient; + CFX_RectF m_rtStatic; + CFX_RectF m_rtConent; + std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar; + std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar; + uint32_t m_dwTTOStyles; + int32_t m_iTTOAligns; + IFWL_ListItem* m_hAnchor; + FX_FLOAT m_fItemHeight; + FX_FLOAT m_fScorllBarWidth; + FX_BOOL m_bLButtonDown; + IFWL_ThemeProvider* m_pScrollBarTP; +}; + +class CFWL_ListBoxImpDelegate : public CFWL_WidgetImpDelegate { + public: + CFWL_ListBoxImpDelegate(IFWL_ListBox* pOwner); + void OnProcessMessage(CFWL_Message* pMessage) override; + void OnProcessEvent(CFWL_Event* pEvent) override; + void OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix = nullptr) override; + + protected: + void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE); + void OnLButtonDown(CFWL_MsgMouse* pMsg); + void OnLButtonUp(CFWL_MsgMouse* pMsg); + void OnMouseWheel(CFWL_MsgMouseWheel* pMsg); + void OnKeyDown(CFWL_MsgKey* pMsg); + void OnVK(IFWL_ListItem* hItem, FX_BOOL bShift, FX_BOOL bCtrl); + FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos); + void DispatchSelChangedEv(); + IFWL_ListBox* m_pOwner; +}; + +#endif // XFA_FWL_CORE_IFWL_LISTBOX_H_ |