X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4832f7c06cfb85e5152489c052630df7b002e92e..794bcc2dea743ac907b839f54e451847c9ea4b72:/include/wx/generic/treectrl.h?ds=sidebyside diff --git a/include/wx/generic/treectrl.h b/include/wx/generic/treectrl.h index 313c86d6d4..7d1dd7e39d 100644 --- a/include/wx/generic/treectrl.h +++ b/include/wx/generic/treectrl.h @@ -22,16 +22,21 @@ #include "wx/event.h" #include "wx/scrolwin.h" #include "wx/textctrl.h" +#include "wx/pen.h" +#include "wx/dynarray.h" +#include "wx/timer.h" // ----------------------------------------------------------------------------- // forward declaration // ----------------------------------------------------------------------------- -class wxImageList; -class wxGenericTreeItem; +class WXDLLEXPORT wxImageList; +class WXDLLEXPORT wxGenericTreeItem; -class wxTreeItemData; -typedef int (*wxTreeItemCmpFunc)(wxTreeItemData *item1, wxTreeItemData *item2); +class WXDLLEXPORT wxTreeItemData; + +class WXDLLEXPORT wxTreeRenameTimer; +class WXDLLEXPORT wxTreeTextCtrl; // ----------------------------------------------------------------------------- // wxTreeItemId - unique identifier of a tree element @@ -56,19 +61,22 @@ public: wxTreeItemId(long itemId) { m_pItem = (wxGenericTreeItem *)itemId; } operator long() const { return (long)m_pItem; } -//protected: +//protected: // not for gcc // for wxTreeCtrl usage only wxTreeItemId(wxGenericTreeItem *pItem) { m_pItem = pItem; } - + wxGenericTreeItem *m_pItem; }; +WX_DECLARE_OBJARRAY(wxTreeItemId, wxArrayTreeItemIds); + // ---------------------------------------------------------------------------- // wxTreeItemData is some (arbitrary) user class associated with some item. // // Because the objects of this class are deleted by the tree, they should // always be allocated on the heap! // ---------------------------------------------------------------------------- + class WXDLLEXPORT wxTreeItemData: public wxClientData { friend class wxTreeCtrl; @@ -88,86 +96,6 @@ protected: wxTreeItemId m_pItem; }; -// ----------------------------------------------------------------------------- -// wxTreeEvent - the event generated by the tree control -// ----------------------------------------------------------------------------- -class WXDLLEXPORT wxTreeEvent : public wxCommandEvent -{ -friend class wxTreeCtrl; -public: - wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0); - - // accessors - // get the item on which the operation was performed or the newly - // selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events - wxTreeItemId GetItem() const { return m_item; } - - // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously - // selected item - wxTreeItemId GetOldItem() const { return m_itemOld; } - - // the point where the mouse was when the drag operation started (for - // wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only) - wxPoint GetPoint() const { return m_pointDrag; } - - // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only) - int GetCode() const { return m_code; } - - // set return code for wxEVT_COMMAND_TREE_ITEM_{EXPAND|COLLAPS}ING events - // call this to forbid the change in item status - void Veto() { m_code = TRUE; } - - // for implementation usage only - bool WasVetoed() const { return m_code; } - -private: - // @@ we could save some space by using union here - int m_code; - wxTreeItemId m_item, - m_itemOld; - wxPoint m_pointDrag; - - DECLARE_DYNAMIC_CLASS(wxTreeEvent) -}; - -typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&); - -// ---------------------------------------------------------------------------- -// macros for handling tree control events -// ---------------------------------------------------------------------------- - -// GetItem() returns the item being dragged, GetPoint() the mouse coords -#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - -// GetItem() returns the itme whose label is being edited -#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - -// provide/update information about GetItem() item -#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - -// GetItem() is the item being expanded/collapsed, the "ING" versions can use -#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, - -// GetOldItem() is the item which had the selection previously, GetItem() is -// the item which acquires selection -#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, -#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, - -// GetCode() returns the key code -// NB: this is the only message for which GetItem() is invalid (you may get the -// item from GetSelection()) -#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, - -// GetItem() returns the item being deleted, the associated data (if any) will -// be deleted just after the return of this event handler (if any) -#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - // ----------------------------------------------------------------------------- // wxTreeCtrl - the tree control // ----------------------------------------------------------------------------- @@ -183,9 +111,10 @@ public: const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT, - const wxString& name = "wxTreeCtrl") + const wxValidator &validator = wxDefaultValidator, + const wxString& name = wxTreeCtrlNameStr) { - Create(parent, id, pos, size, style, name); + Create(parent, id, pos, size, style, validator, name); } virtual ~wxTreeCtrl(); @@ -194,7 +123,8 @@ public: const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT, - const wxString& name = "wxTreeCtrl"); + const wxValidator &validator = wxDefaultValidator, + const wxString& name = wxTreeCtrlNameStr); // accessors // --------- @@ -208,6 +138,10 @@ public: unsigned int GetIndent() const { return m_indent; } void SetIndent(unsigned int indent); + // spacing is the number of pixels between the start and the Text + unsigned int GetSpacing() const { return m_spacing; } + void SetSpacing(unsigned int spacing); + // image list: these functions allow to associate an image list with // the control and retrieve it. Note that the control does _not_ delete // the associated image list when it's deleted in order to allow image @@ -231,10 +165,9 @@ public: // retrieve items label wxString GetItemText(const wxTreeItemId& item) const; - // get the normal item image - int GetItemImage(const wxTreeItemId& item) const; - // get the selected item image - int GetItemSelectedImage(const wxTreeItemId& item) const; + // get one of the images associated with the item (normal by default) + int GetItemImage(const wxTreeItemId& item, + wxTreeItemIcon which = wxTreeItemIcon_Normal) const; // get the data associated with the item wxTreeItemData *GetItemData(const wxTreeItemId& item) const; @@ -243,10 +176,9 @@ public: // set items label void SetItemText(const wxTreeItemId& item, const wxString& text); - // set the normal item image - void SetItemImage(const wxTreeItemId& item, int image); - // set the selected item image - void SetItemSelectedImage(const wxTreeItemId& item, int image); + // get one of the images associated with the item (normal by default) + void SetItemImage(const wxTreeItemId& item, int image, + wxTreeItemIcon which = wxTreeItemIcon_Normal); // associate some data with the item void SetItemData(const wxTreeItemId& item, wxTreeItemData *data); @@ -256,17 +188,33 @@ public: // usage and loading time. void SetItemHasChildren(const wxTreeItemId& item, bool has = TRUE); + // the item will be shown in bold + void SetItemBold(const wxTreeItemId& item, bool bold = TRUE); + + // set the items text colour + void SetItemTextColour(const wxTreeItemId& item, const wxColour& col); + + // set the items background colour + void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col); + + // set the items font (should be of the same height for all items) + void SetItemFont(const wxTreeItemId& item, const wxFont& font); + // item status inquiries // --------------------- // is the item visible (it might be outside the view or not expanded)? bool IsVisible(const wxTreeItemId& item) const; // does the item has any children? + bool HasChildren(const wxTreeItemId& item) const + { return ItemHasChildren(item); } bool ItemHasChildren(const wxTreeItemId& item) const; // is the item expanded (only makes sense if HasChildren())? bool IsExpanded(const wxTreeItemId& item) const; // is this item currently selected (the same as has focus)? bool IsSelected(const wxTreeItemId& item) const; + // is item text in bold font? + bool IsBold(const wxTreeItemId& item) const; // number of children // ------------------ @@ -286,6 +234,9 @@ public: // get the item currently selected (may return NULL if no selection) wxTreeItemId GetSelection() const { return m_current; } + // get the items currently selected, return the number of such item + size_t GetSelections(wxArrayTreeItemIds&) const; + // get the parent of this item (may return NULL if root) wxTreeItemId GetParent(const wxTreeItemId& item) const; @@ -300,6 +251,8 @@ public: wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& cookie) const; // get the next child wxTreeItemId GetNextChild(const wxTreeItemId& item, long& cookie) const; + // get the last child of this item - this method doesn't use cookies + wxTreeItemId GetLastChild(const wxTreeItemId& item) const; // get the next sibling of this item wxTreeItemId GetNextSibling(const wxTreeItemId& item) const; @@ -335,6 +288,13 @@ public: int image = -1, int selectedImage = -1, wxTreeItemData *data = NULL); + // insert a new item before the one with the given index + wxTreeItemId InsertItem(const wxTreeItemId& parent, + size_t index, + const wxString& text, + int image = -1, int selectedImage = -1, + wxTreeItemData *data = NULL); + // insert a new item in as the last child of the parent wxTreeItemId AppendItem(const wxTreeItemId& parent, const wxString& text, @@ -343,7 +303,11 @@ public: // delete this item and associated data if any void Delete(const wxTreeItemId& item); + // delete all children (but don't delete the item itself) + // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events + void DeleteChildren(const wxTreeItemId& item); // delete all items from the tree + // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events void DeleteAllItems(); // expand this item @@ -357,56 +321,95 @@ public: // remove the selection from currently selected item (if any) void Unselect(); + void UnselectAll(); // select this item - void SelectItem(const wxTreeItemId& item); + void SelectItem(const wxTreeItemId& item, bool unselect_others=TRUE, bool extended_select=FALSE); // make sure this item is visible (expanding the parent item and/or // scrolling to this item if necessary) void EnsureVisible(const wxTreeItemId& item); // scroll to this item (but don't expand its parent) void ScrollTo(const wxTreeItemId& item); - // start editing the item label: this (temporarily) replaces the item + // The first function is more portable (because easier to implement + // on other platforms), but the second one returns some extra info. + wxTreeItemId HitTest(const wxPoint& point) + { int dummy; return HitTest(point, dummy); } + wxTreeItemId HitTest(const wxPoint& point, int& flags); + + // Start editing the item label: this (temporarily) replaces the item // with a one line edit control. The item will be selected if it hadn't - // been before. textCtrlClass parameter allows you to create an edit - // control of arbitrary user-defined class deriving from wxTextCtrl. - wxTextCtrl* EditLabel(const wxTreeItemId& item, - wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl)); - // returns the same pointer as StartEdit() if the item is being edited, - // NULL otherwise (it's assumed that no more than one item may be - // edited simultaneously) - wxTextCtrl* GetEditControl() const; - // end editing and accept or discard the changes to item label - void EndEditLabel(const wxTreeItemId& item, bool discardChanges = FALSE); - - // sort the children of this item using the specified callback function - // (it should return -1, 0 or +1 as usual), if it's not specified - // alphabetical comparaison is performed. + // been before. + void EditLabel( const wxTreeItemId& item ) { Edit( item ); } + void Edit( const wxTreeItemId& item ); + + // sorting + // this function is called to compare 2 items and should return -1, 0 + // or +1 if the first item is less than, equal to or greater than the + // second one. The base class version performs alphabetic comparaison + // of item labels (GetText) + virtual int OnCompareItems(const wxTreeItemId& item1, + const wxTreeItemId& item2); + // sort the children of this item using OnCompareItems // - // NB: this function is not reentrant! - void SortChildren(const wxTreeItemId& item, - wxTreeItemCmpFunc *cmpFunction = NULL); - - // implementation - // -------------- - // wxWindows callbacks - void OnPaint( const wxPaintEvent &event ); - void OnSetFocus( const wxFocusEvent &event ); - void OnKillFocus( const wxFocusEvent &event ); + // NB: this function is not reentrant and not MT-safe (FIXME)! + void SortChildren(const wxTreeItemId& item); + + // deprecated functions: use Set/GetItemImage directly + // get the selected item image + int GetItemSelectedImage(const wxTreeItemId& item) const + { return GetItemImage(item, wxTreeItemIcon_Selected); } + // set the selected item image + void SetItemSelectedImage(const wxTreeItemId& item, int image) + { SetItemImage(item, image, wxTreeItemIcon_Selected); } + + // implementation only from now on + + // callbacks + void OnPaint( wxPaintEvent &event ); + void OnSetFocus( wxFocusEvent &event ); + void OnKillFocus( wxFocusEvent &event ); void OnChar( wxKeyEvent &event ); - void OnMouse( const wxMouseEvent &event ); + void OnMouse( wxMouseEvent &event ); + void OnIdle( wxIdleEvent &event ); + + // implementation helpers + void SendDeleteEvent(wxGenericTreeItem *itemBeingDeleted); + + void DrawBorder(const wxTreeItemId& item); + void DrawLine(const wxTreeItemId& item, bool below); protected: + friend class wxGenericTreeItem; + friend class wxTreeRenameTimer; + friend class wxTreeTextCtrl; + + wxFont m_normalFont; + wxFont m_boldFont; + wxGenericTreeItem *m_anchor; - wxGenericTreeItem *m_current; + wxGenericTreeItem *m_current, *m_key_current, *m_currentEdit; bool m_hasFocus; + bool m_dirty; int m_xScroll,m_yScroll; unsigned int m_indent; + unsigned int m_spacing; int m_lineHeight; wxPen m_dottedPen; wxBrush *m_hilightBrush; wxImageList *m_imageListNormal, *m_imageListState; + int m_dragCount; + wxPoint m_dragStart; + bool m_isDragging; // true between BEGIN/END drag events + wxGenericTreeItem *m_dropTarget; + wxCursor m_oldCursor; // cursor is changed while dragging + wxGenericTreeItem *m_oldSelection; + + wxTimer *m_renameTimer; + bool m_renameAccept; + wxString m_renameRes; + // the common part of all ctors void Init(); @@ -418,14 +421,28 @@ protected: wxTreeItemData *data); void AdjustMyScrollbars(); - void PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y ); + int GetLineHeight(wxGenericTreeItem *item) const; + void PaintLevel( wxGenericTreeItem *item, wxDC& dc, int level, int &y ); + void PaintItem( wxGenericTreeItem *item, wxDC& dc); void CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y ); void CalculatePositions(); + void CalculateSize( wxGenericTreeItem *item, wxDC &dc ); void RefreshSubtree( wxGenericTreeItem *item ); void RefreshLine( wxGenericTreeItem *item ); + void OnRenameTimer(); + void OnRenameAccept(); + + void FillArray(wxGenericTreeItem*, wxArrayTreeItemIds&) const; + void SelectItemRange( wxGenericTreeItem *item1, wxGenericTreeItem *item2 ); + bool TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select); + bool TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select); + void UnselectAllChildren( wxGenericTreeItem *item ); + + void DrawDropEffect(wxGenericTreeItem *item); + private: DECLARE_EVENT_TABLE() DECLARE_DYNAMIC_CLASS(wxTreeCtrl)