/* * Author: Robert Roebling * * Copyright: (C) 1997,1998 Robert Roebling * * This library is free software; you can redistribute it and/or * modify it under the terms of the wxWindows Licence, which * you have received with this library (see Licence.htm). * */ #ifndef __GTKTREECTRL_H__ #define __GTKTREECTRL_H__ #ifdef __GNUG__ #pragma interface "treectrl.h" #endif #include "wx/defs.h" #include "wx/string.h" #include "wx/list.h" #include "wx/control.h" #include "wx/event.h" #include "wx/imaglist.h" #include "wx/scrolwin.h" #include "wx/dcclient.h" #include //----------------------------------------------------------------------------- // classes //----------------------------------------------------------------------------- class wxTreeItem; class wxTreeCtrl; class wxTreeEvent; class wxImageList; //----------------------------------------------------------------------------- // constants //----------------------------------------------------------------------------- // WXDLLEXPORT extern const char *wxTreeNameStr; #define wxTREE_MASK_HANDLE 0x0001 #define wxTREE_MASK_STATE 0x0002 #define wxTREE_MASK_TEXT 0x0004 #define wxTREE_MASK_IMAGE 0x0008 #define wxTREE_MASK_SELECTED_IMAGE 0x0010 #define wxTREE_MASK_CHILDREN 0x0020 #define wxTREE_MASK_DATA 0x0040 #define wxTREE_STATE_BOLD 0x0001 #define wxTREE_STATE_DROPHILITED 0x0002 #define wxTREE_STATE_EXPANDED 0x0004 #define wxTREE_STATE_EXPANDEDONCE 0x0008 #define wxTREE_STATE_FOCUSED 0x0010 #define wxTREE_STATE_SELECTED 0x0020 #define wxTREE_STATE_CUT 0x0040 #define wxTREE_HITTEST_ABOVE 0x0001 // Above the client area. #define wxTREE_HITTEST_BELOW 0x0002 // Below the client area. #define wxTREE_HITTEST_NOWHERE 0x0004 // In the client area but below the last item. #define wxTREE_HITTEST_ONITEMBUTTON 0x0010 // On the button associated with an item. #define wxTREE_HITTEST_ONITEMICON 0x0020 // On the bitmap associated with an item. #define wxTREE_HITTEST_ONITEMINDENT 0x0040 // In the indentation associated with an item. #define wxTREE_HITTEST_ONITEMLABEL 0x0080 // On the label (string) associated with an item. #define wxTREE_HITTEST_ONITEMRIGHT 0x0100 // In the area to the right of an item. #define wxTREE_HITTEST_ONITEMSTATEICON 0x0200 // On the state icon for a tree view item that is in a user-defined state. #define wxTREE_HITTEST_TOLEFT 0x0400 // To the right of the client area. #define wxTREE_HITTEST_TORIGHT 0x0800 // To the left of the client area. #define wxTREE_HITTEST_ONITEM (wxTREE_HITTEST_ONITEMICON | wxTREE_HITTEST_ONITEMLABEL | wxTREE_HITTEST_ONITEMSTATEICON) // Flags for GetNextItem enum { wxTREE_NEXT_CARET, // Retrieves the currently selected item. wxTREE_NEXT_CHILD, // Retrieves the first child item. The hItem parameter must be NULL. wxTREE_NEXT_DROPHILITE, // Retrieves the item that is the target of a drag-and-drop operation. wxTREE_NEXT_FIRSTVISIBLE, // Retrieves the first visible item. wxTREE_NEXT_NEXT, // Retrieves the next sibling item. wxTREE_NEXT_NEXTVISIBLE, // Retrieves the next visible item that follows the specified item. wxTREE_NEXT_PARENT, // Retrieves the parent of the specified item. wxTREE_NEXT_PREVIOUS, // Retrieves the previous sibling item. wxTREE_NEXT_PREVIOUSVISIBLE, // Retrieves the first visible item that precedes the specified item. wxTREE_NEXT_ROOT // Retrieves the first child item of the root item of which the specified item is a part. }; // Flags for ExpandItem enum { wxTREE_EXPAND_EXPAND, wxTREE_EXPAND_COLLAPSE, wxTREE_EXPAND_COLLAPSE_RESET, wxTREE_EXPAND_TOGGLE }; // Flags for InsertItem enum { wxTREE_INSERT_LAST = -1, wxTREE_INSERT_FIRST = -2, wxTREE_INSERT_SORT = -3 }; //----------------------------------------------------------------------------- // wxTreeItem //----------------------------------------------------------------------------- class WXDLLEXPORT wxTreeItem: public wxObject { public: wxTreeCtrl *m_owner; GtkWidget *m_parentwidget; GtkTreeItem *m_widget; GtkTree *m_tree; long m_mask; long m_itemId; long m_state; long m_stateMask; wxString m_text; int m_image; int m_selectedImage; int m_children; wxList m_childlist; long m_data; wxTreeItem(); wxTreeItem(GtkWidget *parent, const wxTreeItem &item); ~wxTreeItem(); void Create(); void AddChild(wxTreeItem *child); void DeleteChildren(); bool HasChildren(); wxTreeItem *FindItem(long itemId) const; wxTreeItem *FindItem(GtkTreeItem *item) const; // Accessors inline long GetMask() const { return m_mask; } inline long GetItemId() const { return m_itemId; } inline long GetState() const { return m_state; } inline long GetStateMask() const { return m_stateMask; } inline wxString GetText() const { return m_text; } inline int GetImage() const { return m_image; } inline int GetSelectedImage() const { return m_selectedImage; } inline const wxList &GetChildren() const { return m_childlist; } inline long GetData() const { return m_data; } inline void SetMask(long mask) { m_mask = mask; } inline void SetItemId(long id) { m_itemId = m_itemId = id; } inline void GetState(long state) { m_state = state; } inline void SetStateMask(long stateMask) { m_stateMask = stateMask; } inline void GetText(const wxString& text) { m_text = text; } inline void SetImage(int image) { m_image = image; } inline void SetSelectedImage(int selImage) { m_selectedImage = selImage; } inline void SetChildren(const wxList &children) { m_childlist = children; } inline void SetData(long data) { m_data = data; } int NumberOfVisibleDescendents(); private: friend wxTreeCtrl; friend void gtk_treeitem_expand_callback(GtkWidget *widget, wxTreeItem *treeitem); friend void gtk_treeitem_collapse_callback(GtkWidget *widget, wxTreeItem *treeitem); friend void gtk_treeitem_select_callback( GtkWidget *WXUNUSED(widget), wxTreeItem *treeitem); friend void gtk_treeitem_deselect_callback( GtkWidget *WXUNUSED(widget), wxTreeItem *treeitem); void AddSubtree(); void PrepareEvent(wxTreeEvent &event); void SendDelete(wxWindow *target); void SendExpand(wxWindow *target); void SendExpanding(wxWindow *target); void SendCollapse(wxWindow *target); void SendCollapsing(wxWindow *target); void SendSelChanged(wxWindow *target); void SendSelChanging(wxWindow *target); inline wxTreeItem *GetChild(long no) { return (wxTreeItem *)(m_childlist.Nth(no)->Data()); } inline long GetChildrenNumber() { return m_childlist.Number(); } guint expand_handler; guint collapse_handler; DECLARE_DYNAMIC_CLASS(wxTreeItem) }; //----------------------------------------------------------------------------- // wxTreeCtrl //----------------------------------------------------------------------------- class wxTreeCtrl: public wxScrolledWindow { public: GtkTree *m_tree; wxTreeCtrl(); wxTreeCtrl(wxWindow *parent, const wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_HAS_BUTTONS, const wxString& name = "wxTreeCtrl" ); ~wxTreeCtrl(); bool Create(wxWindow *parent, const wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_HAS_BUTTONS, const wxString& name = "wxTreeCtrl"); int GetCount() const; long InsertItem( long parent, const wxString& label, long data = 0, int image = -1, int selImage = -1, long insertAfter = wxTREE_INSERT_LAST ); long InsertItem( long parent, wxTreeItem &info, long insertAfter = wxTREE_INSERT_LAST ); void DeleteItem( long item ); void DeleteChildren( long item ); bool DeleteAllItems(); bool ExpandItem(long item) { return ExpandItem(item, wxTREE_EXPAND_EXPAND); } bool ExpandItem( long item, int action ); bool CollapseItem(long item) { return ExpandItem(item, wxTREE_EXPAND_COLLAPSE); } bool ToggleItem(long item) { return ExpandItem(item, wxTREE_EXPAND_TOGGLE); } // is the item expanded now? bool IsItemExpanded(long item) { wxTreeItem *pItem = FindItem(item); return pItem && (pItem->GetState() & wxTREE_STATE_EXPANDED); } /* bool GetItem( wxTreeItem &info ) const; */ long GetItemData( long item ) const; wxString GetItemText( long item ) const; int GetItemImage(long item) const; long GetParent( long item ) const; long GetRootItem() const; /* long GetSelection() const; bool SelectItem( long item ); */ bool ItemHasChildren( long item ) const; void SetIndent( int indent ); int GetIndent() const; /* bool SetItem( wxTreeItem &info ); bool SetItemData( long item, long data ); bool SetItemText( long item, const wxString &text ); void SetItemImage(long item, int image, int imageSel) const; long HitTest( const wxPoint& point, int &flags ); */ wxTreeItem *FindItem(GtkTreeItem *item) const; wxImageList *GetImageList(int which = wxIMAGE_LIST_NORMAL) const; void SetImageList(wxImageList *imageList, int which = wxIMAGE_LIST_NORMAL); private: // set the selection to the specified item generating appropriate event(s) if // not disabled void SelectItem(wxTreeItem *item, bool bDoEvents = TRUE); wxTreeItem *m_anchor; wxTreeItem *m_current; int m_indent; long m_lastId; bool m_isCreated; wxImageList *m_imageList; wxImageList *m_smallImageList; void CalculateLevel( wxTreeItem *item, wxPaintDC &dc, int level, int &y ); void CalculatePositions(); wxTreeItem *FindItem( long itemId ) const; // DECLARE_EVENT_TABLE() DECLARE_DYNAMIC_CLASS(wxTreeCtrl) }; //----------------------------------------------------------------------------- // wxTreeEvent //----------------------------------------------------------------------------- class WXDLLEXPORT wxTreeEvent: public wxCommandEvent { DECLARE_DYNAMIC_CLASS(wxTreeEvent) public: wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0); int m_code; wxTreeItem m_item; long m_oldItem; wxPoint m_pointDrag; inline long GetOldItem() const { return m_oldItem; } inline wxTreeItem& GetItem() const { return (wxTreeItem&) m_item; } inline wxPoint GetPoint() const { return m_pointDrag; } inline void SetCode(int code) { m_code = code; } inline int GetCode() const { return m_code; } }; typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&); #define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn , NULL }, #define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, ( wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #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 }, #define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, #endif // __GTKTREECTRL_H__