X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4c2a39bec10bb23d8c4cdf6c15e391ebc0096e1d..661698e54f2bc599dc1a961ffbae08ccdd6b9b97:/include/wx/msw/treectrl.h?ds=sidebyside diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h index 8574600564..ac841554ae 100644 --- a/include/wx/msw/treectrl.h +++ b/include/wx/msw/treectrl.h @@ -9,8 +9,8 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef _WX_TREECTRL_H_ -#define _WX_TREECTRL_H_ +#ifndef _WX_MSW_TREECTRL_H_ +#define _WX_MSW_TREECTRL_H_ // ---------------------------------------------------------------------------- // headers @@ -30,17 +30,18 @@ #endif // Cygwin // fwd decl -class WXDLLEXPORT wxImageList; -class WXDLLEXPORT wxDragImage; -struct WXDLLEXPORT wxTreeViewItem; - -// NB: all the following flags are for compatbility only and will be removed in the -// next versions - -// flags for deprecated InsertItem() variant (their values are the same as of -// TVI_FIRST and TVI_LAST) -#define wxTREE_INSERT_FIRST 0xFFFF0001 -#define wxTREE_INSERT_LAST 0xFFFF0002 +class WXDLLIMPEXP_FWD_CORE wxImageList; +class WXDLLIMPEXP_FWD_CORE wxDragImage; +struct WXDLLIMPEXP_FWD_CORE wxTreeViewItem; + +#if WXWIN_COMPATIBILITY_2_6 + // NB: all the following flags are for compatbility only and will be removed in the + // next versions + // flags for deprecated InsertItem() variant (their values are the same as of + // TVI_FIRST and TVI_LAST) + #define wxTREE_INSERT_FIRST 0xFFFF0001 + #define wxTREE_INSERT_LAST 0xFFFF0002 +#endif // hash storing attributes for our items WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr); @@ -49,7 +50,7 @@ WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr); // wxTreeCtrl // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTreeCtrl : public wxTreeCtrlBase +class WXDLLIMPEXP_CORE wxTreeCtrl : public wxTreeCtrlBase { public: // creation @@ -78,7 +79,7 @@ public: // implement base class pure virtuals // ---------------------------------- - virtual size_t GetCount() const; + virtual unsigned int GetCount() const; virtual unsigned int GetIndent() const; virtual void SetIndent(unsigned int indent); @@ -126,6 +127,11 @@ public: virtual wxTreeItemId GetRootItem() const; virtual wxTreeItemId GetSelection() const; virtual size_t GetSelections(wxArrayTreeItemIds& selections) const; + virtual wxTreeItemId GetFocusedItem() const; + + virtual void ClearFocusedItem(); + virtual void SetFocusedItem(const wxTreeItemId& item); + virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const; virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item, @@ -160,12 +166,13 @@ public: virtual void Unselect(); virtual void UnselectAll(); virtual void SelectItem(const wxTreeItemId& item, bool select = true); + virtual void SelectChildren(const wxTreeItemId& parent); virtual void EnsureVisible(const wxTreeItemId& item); virtual void ScrollTo(const wxTreeItemId& item); virtual wxTextCtrl *EditLabel(const wxTreeItemId& item, - wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl)); + wxClassInfo* textCtrlClass = wxCLASSINFO(wxTextCtrl)); virtual wxTextCtrl *GetEditControl() const; virtual void EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges = false) @@ -179,34 +186,6 @@ public: wxRect& rect, bool textOnly = false) const; - // deprecated - // ---------- - -#if WXWIN_COMPATIBILITY_2_4 - // these methods are deprecated and will be removed in future versions of - // wxWidgets, they're here for compatibility only, don't use them in new - // code (the comments indicate why these methods are now useless and how to - // replace them) - - // use Expand, Collapse, CollapseAndReset or Toggle - wxDEPRECATED( void ExpandItem(const wxTreeItemId& item, int action) ); - - // use Set/GetImageList and Set/GetStateImageList - wxDEPRECATED( wxImageList *GetImageList(int) const ); - wxDEPRECATED( void SetImageList(wxImageList *imageList, int) ); - - // use Set/GetItemImage directly - wxDEPRECATED( int GetItemSelectedImage(const wxTreeItemId& item) const ); - wxDEPRECATED( void SetItemSelectedImage(const wxTreeItemId& item, int image) ); - - // use the versions taking wxTreeItemIdValue cookies - wxDEPRECATED( wxTreeItemId GetFirstChild(const wxTreeItemId& item, - long& cookie) const ); - wxDEPRECATED( wxTreeItemId GetNextChild(const wxTreeItemId& item, - long& cookie) const ); -#endif // WXWIN_COMPATIBILITY_2_4 - - // implementation // -------------- @@ -223,20 +202,24 @@ public: virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); virtual bool MSWCommand(WXUINT param, WXWORD id); virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); + virtual bool MSWShouldPreProcessMessage(WXMSG* msg); // override some base class virtuals virtual bool SetBackgroundColour(const wxColour &colour); virtual bool SetForegroundColour(const wxColour &colour); - // get/set the check state for the item (only for wxTR_MULTIPLE) - bool IsItemChecked(const wxTreeItemId& item) const; - void SetItemCheck(const wxTreeItemId& item, bool check = true); - - // set/get the item state.image (state == -1 means cycle to the next one) - void SetState(const wxTreeItemId& node, int state); - int GetState(const wxTreeItemId& node); + // returns true if the platform should explicitly apply a theme border + virtual bool CanApplyThemeBorder() const { return false; } protected: + // Implement "update locking" in a custom way for this control. + virtual void DoFreeze(); + virtual void DoThaw(); + + virtual void DoSetSize(int x, int y, + int width, int height, + int sizeFlags = wxSIZE_AUTO); + // SetImageList helper void SetAnyImageList(wxImageList *imageList, int which); @@ -246,54 +229,82 @@ protected: // end edit label void DoEndEditLabel(bool discardChanges = false); + virtual int DoGetItemState(const wxTreeItemId& item) const; + virtual void DoSetItemState(const wxTreeItemId& item, int state); + + virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent, + size_t pos, + const wxString& text, + int image, int selectedImage, + wxTreeItemData *data); + virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent, + const wxTreeItemId& idPrevious, + const wxString& text, + int image = -1, int selImage = -1, + wxTreeItemData *data = NULL); + virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags) const; + + // obtain the user data for the lParam member of TV_ITEM + class wxTreeItemParam *GetItemParam(const wxTreeItemId& item) const; + + // update the event to include the items client data and pass it to + // HandleWindowEvent(), return true if it processed it + bool HandleTreeEvent(wxTreeEvent& event) const; + + // pass the event to HandleTreeEvent() and return true if the event was + // either unprocessed or not vetoed + bool IsTreeEventAllowed(wxTreeEvent& event) const + { + return !HandleTreeEvent(event) || event.IsAllowed(); + } + + // generate a wxEVT_KEY_DOWN event from the specified WPARAM/LPARAM values + // having the same meaning as for WM_KEYDOWN, return true if it was + // processed + bool MSWHandleTreeKeyDownEvent(WXWPARAM wParam, WXLPARAM lParam); + + // handle a key event in a multi-selection control, should be only called + // for keys which can be used to change the selection + // + // return true if the key was processed, false otherwise + bool MSWHandleSelectionKey(unsigned vkey); + // data used only while editing the item label: wxTextCtrl *m_textCtrl; // text control in which it is edited wxTreeItemId m_idEdited; // the item being edited - wxImageList *m_imageListNormal, // images for tree elements - *m_imageListState; // special images for app defined states - bool m_ownsImageListNormal, - m_ownsImageListState; - private: // the common part of all ctors void Init(); // helper functions - inline bool DoGetItem(wxTreeViewItem *tvItem) const; - inline void DoSetItem(wxTreeViewItem *tvItem); + bool DoGetItem(wxTreeViewItem *tvItem) const; + void DoSetItem(wxTreeViewItem *tvItem); - inline void DoExpand(const wxTreeItemId& item, int flag); + void DoExpand(const wxTreeItemId& item, int flag); - virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent, - size_t pos, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data); - virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent, - const wxTreeItemId& idPrevious, - const wxString& text, - int image = -1, int selImage = -1, - wxTreeItemData *data = NULL); - virtual wxTreeItemId DoHitTest(const wxPoint& point, int& flags); + void DoSelectItem(const wxTreeItemId& item, bool select = true); + void DoUnselectItem(const wxTreeItemId& item); + void DoToggleItemSelection(const wxTreeItemId& item); - int DoGetItemImageFromData(const wxTreeItemId& item, - wxTreeItemIcon which) const; - void DoSetItemImageFromData(const wxTreeItemId& item, - int image, - wxTreeItemIcon which) const; - void DoSetItemImages(const wxTreeItemId& item, int image, int imageSel); + void DoUnselectAll(); + void DoSelectChildren(const wxTreeItemId& parent); void DeleteTextCtrl(); - // support for additional item images which we implement using - // wxTreeItemIndirectData technique - see the comments in msw/treectrl.cpp - void SetIndirectItemData(const wxTreeItemId& item, - class wxTreeItemIndirectData *data); - bool HasIndirectData(const wxTreeItemId& item) const; - bool IsDataIndirect(wxTreeItemData *data) const - { return data && data->GetId().m_pItem == 0; } + // return true if the item is the hidden root one (i.e. it's the root item + // and the tree has wxTR_HIDE_ROOT style) + bool IsHiddenRoot(const wxTreeItemId& item) const; + + + // check if the given flags (taken from TV_HITTESTINFO structure) + // indicate a position "on item": this is less trivial than just checking + // for TVHT_ONITEM because we consider that points to the left and right of + // item text are also "on item" when wxTR_FULL_ROW_HIGHLIGHT is used as the + // item visually spans the entire breadth of the window then + bool MSWIsOnItem(unsigned flags) const; + // the hash storing the items attributes (indexed by item ids) wxMapTreeAttr m_attrs; @@ -301,8 +312,10 @@ private: // true if the hash above is not empty bool m_hasAnyAttr; +#if wxUSE_DRAGIMAGE // used for dragging wxDragImage *m_dragImage; +#endif // Virtual root item, if wxTR_HIDE_ROOT is set. void* m_pVirtualRoot; @@ -311,14 +324,32 @@ private: wxTreeItemId m_htSelStart, m_htClickedItem; wxPoint m_ptClick; + // whether dragging has started + bool m_dragStarted; + + // whether focus was lost between subsequent clicks of a single item + bool m_focusLost; + + // set when we are changing selection ourselves (only used in multi + // selection mode) + bool m_changingSelection; + + // whether we need to trigger a state image click event + bool m_triggerStateImageClick; + + // whether we need to deselect other items on mouse up + bool m_mouseUpDeselect; + + // The size to restore the control to when it is thawed, see DoThaw(). + wxSize m_thawnSize; + friend class wxTreeItemIndirectData; friend class wxTreeSortHelper; DECLARE_DYNAMIC_CLASS(wxTreeCtrl) - DECLARE_NO_COPY_CLASS(wxTreeCtrl) + wxDECLARE_NO_COPY_CLASS(wxTreeCtrl); }; #endif // wxUSE_TREECTRL -#endif - // _WX_TREECTRL_H_ +#endif // _WX_MSW_TREECTRL_H_