Home | History | Annotate | Download | only in basewidget 
      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #ifndef _FWL_LISTBOX_H
      8 #define _FWL_LISTBOX_H
      9 class CFWL_WidgetImpProperties;
     10 class IFWL_Widget;
     11 class IFWL_ListBoxDP;
     12 class IFWL_ListBox;
     13 #define FWL_CLASS_ListBox L"FWL_LISTBOX"
     14 #define FWL_CLASSHASH_ListBox 1777358317
     15 #define FWL_STYLEEXT_LTB_MultiSelection (1L << 0)
     16 #define FWL_STYLEEXT_LTB_Sort (1L << 1)
     17 #define FWL_STYLEEXT_LTB_ShowScrollBarAlaways (1L << 2)
     18 #define FWL_STYLEEXT_LTB_MultiColumn (1L << 3)
     19 #define FWL_STYLEEXT_LTB_LeftAlign (0L << 4)
     20 #define FWL_STYLEEXT_LTB_CenterAlign (1L << 4)
     21 #define FWL_STYLEEXT_LTB_RightAlign (2L << 4)
     22 #define FWL_STYLEEXT_LTB_MultiLine (1L << 6)
     23 #define FWL_STYLEEXT_LTB_OwnerDraw (1L << 7)
     24 #define FWL_STYLEEXT_LTB_Icon (1L << 8)
     25 #define FWL_STYLEEXT_LTB_Check (1L << 9)
     26 #define FWL_STYLEEXT_LTB_AlignMask (3L << 4)
     27 #define FWL_STYLEEXT_LTB_ShowScrollBarFocus (1L << 10)
     28 #define FWL_ITEMSTATE_LTB_Selected (1L << 0)
     29 #define FWL_ITEMSTATE_LTB_Focused (1L << 1)
     30 #define FWL_ITEMSTATE_LTB_Checked (1L << 2)
     31 #define FWL_PART_LTB_Border 1
     32 #define FWL_PART_LTB_Edge 2
     33 #define FWL_PART_LTB_Background 3
     34 #define FWL_PART_LTB_ListItem 4
     35 #define FWL_PART_LTB_Check 5
     36 #define FWL_PART_LTB_Icon 6
     37 #define FWL_PARTSTATE_LTB_Normal (0L << 0)
     38 #define FWL_PARTSTATE_LTB_Selected (1L << 0)
     39 #define FWL_PARTSTATE_LTB_Disabled (2L << 0)
     40 #define FWL_PARTSTATE_LTB_Focused (1L << 2)
     41 #define FWL_PARTSTATE_LTB_UnChecked (0L << 3)
     42 #define FWL_PARTSTATE_LTB_Checked (1L << 3)
     43 #define FWL_PARTSTATE_LTB_Mask (3L << 0)
     44 #define FWL_WGTHITTEST_LTB_Item FWL_WGTHITTEST_MAX + 1
     45 #define FWL_WGTHITTEST_LTB_HScrollBar FWL_WGTHITTEST_MAX + 2
     46 #define FWL_WGTHITTEST_LTB_VScrollBar FWL_WGTHITTEST_MAX + 3
     47 #define FWL_EVT_LTB_SelChanged L"FWL_EVENT_LTB_SelChanged"
     48 #define FWL_EVT_LTB_DrawItem L"FWL_EVENT_LTB_DrawItem"
     49 #define FWL_EVTHASH_LTB_SelChanged 1701781688
     50 #define FWL_EVTHASH_LTB_DrawItem 1050853991
     51 BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbSelChanged, FWL_EVTHASH_LTB_SelChanged)
     52 CFX_Int32Array iarraySels;
     53 END_FWL_EVENT_DEF
     54 BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbDrawItem, FWL_EVTHASH_LTB_DrawItem)
     55 CFX_Graphics* m_pGraphics;
     56 CFX_Matrix m_matrix;
     57 int32_t m_index;
     58 CFX_RectF m_rect;
     59 END_FWL_EVENT_DEF
     60 typedef struct _FWL_HLISTITEM { void* pData; } * FWL_HLISTITEM;
     61 typedef struct _FWL_ListBoxItemData {
     62   IFWL_ListBoxDP* pDataProvider;
     63   int32_t iIndex;
     64 } FWL_ListBoxItemData;
     65 class IFWL_ListBoxDP : public IFWL_DataProvider {
     66  public:
     67   virtual int32_t CountItems(IFWL_Widget* pWidget) = 0;
     68   virtual FWL_HLISTITEM GetItem(IFWL_Widget* pWidget, int32_t nIndex) = 0;
     69   virtual int32_t GetItemIndex(IFWL_Widget* pWidget, FWL_HLISTITEM hItem) = 0;
     70   virtual FX_BOOL SetItemIndex(IFWL_Widget* pWidget,
     71                                FWL_HLISTITEM hItem,
     72                                int32_t nIndex) = 0;
     73   virtual FX_DWORD GetItemStyles(IFWL_Widget* pWidget, FWL_HLISTITEM hItem) = 0;
     74   virtual FWL_ERR GetItemText(IFWL_Widget* pWidget,
     75                               FWL_HLISTITEM hItem,
     76                               CFX_WideString& wsText) = 0;
     77   virtual FWL_ERR GetItemRect(IFWL_Widget* pWidget,
     78                               FWL_HLISTITEM hItem,
     79                               CFX_RectF& rtItem) = 0;
     80   virtual void* GetItemData(IFWL_Widget* pWidget, FWL_HLISTITEM hItem) = 0;
     81   virtual FWL_ERR SetItemStyles(IFWL_Widget* pWidget,
     82                                 FWL_HLISTITEM hItem,
     83                                 FX_DWORD dwStyle) = 0;
     84   virtual FWL_ERR SetItemText(IFWL_Widget* pWidget,
     85                               FWL_HLISTITEM hItem,
     86                               const FX_WCHAR* pszText) = 0;
     87   virtual FWL_ERR SetItemRect(IFWL_Widget* pWidget,
     88                               FWL_HLISTITEM hItem,
     89                               const CFX_RectF& rtItem) = 0;
     90   virtual FX_FLOAT GetItemHeight(IFWL_Widget* pWidget) = 0;
     91   virtual CFX_DIBitmap* GetItemIcon(IFWL_Widget* pWidget,
     92                                     FWL_HLISTITEM hItem) = 0;
     93   virtual FWL_ERR GetItemCheckRect(IFWL_Widget* pWidget,
     94                                    FWL_HLISTITEM hItem,
     95                                    CFX_RectF& rtCheck) = 0;
     96   virtual FWL_ERR SetItemCheckRect(IFWL_Widget* pWidget,
     97                                    FWL_HLISTITEM hItem,
     98                                    const CFX_RectF& rtCheck) = 0;
     99   virtual FX_DWORD GetItemCheckState(IFWL_Widget* pWidget,
    100                                      FWL_HLISTITEM hItem) = 0;
    101   virtual FWL_ERR SetItemCheckState(IFWL_Widget* pWidget,
    102                                     FWL_HLISTITEM hItem,
    103                                     FX_DWORD dwCheckState) = 0;
    104 };
    105 class IFWL_ListBoxCompare {
    106  public:
    107   virtual ~IFWL_ListBoxCompare() {}
    108   virtual int32_t Compare(FWL_HLISTITEM hLeft, FWL_HLISTITEM hRight) = 0;
    109 };
    110 class IFWL_ListBox : public IFWL_Widget {
    111  public:
    112   static IFWL_ListBox* Create(const CFWL_WidgetImpProperties& properties,
    113                               IFWL_Widget* pOuter);
    114   static IFWL_ListBox* CreateComboList(
    115       const CFWL_WidgetImpProperties& properties,
    116       IFWL_Widget* pOuter);
    117 
    118   int32_t CountSelItems();
    119   FWL_HLISTITEM GetSelItem(int32_t nIndexSel);
    120   int32_t GetSelIndex(int32_t nIndex);
    121   FWL_ERR SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect = TRUE);
    122   FWL_ERR GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText);
    123   FWL_ERR GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert = TRUE);
    124   FWL_ERR* Sort(IFWL_ListBoxCompare* pCom);
    125 
    126  protected:
    127   IFWL_ListBox();
    128 };
    129 #endif
    130