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wxWidgets/include/wx/gtk1/treectrl.h
Denis Pershin 4540e33bb6 Second try 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@597 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-08-18 19:54:06 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: treectrl.h
// Purpose:
// Author: Denis Pershin
// Created: 08/08/98
// Id: $Id$
// Copyright: (c) 1998 Denis Pershin and Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#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 <gtk/gtk.h>
//-----------------------------------------------------------------------------
// 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;
// It is a quick hack to make TreeCtrl working... I do not know why
// but signals is GTK does not disconnected...
bool ignore;
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,
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__
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