754c44ae38
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13053 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
465 lines
18 KiB
C++
465 lines
18 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: treectrl.h
|
|
// Purpose: wxTreeCtrl class
|
|
// Author: Robert Roebling
|
|
// Modified by:
|
|
// Created: 01/02/97
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 1997,1998 Robert Roebling
|
|
// Licence: wxWindows license
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _GENERIC_TREECTRL_H_
|
|
#define _GENERIC_TREECTRL_H_
|
|
|
|
#ifdef __GNUG__
|
|
#pragma interface "treectlg.h"
|
|
#endif
|
|
|
|
#if wxUSE_TREECTRL
|
|
|
|
#include "wx/scrolwin.h"
|
|
#include "wx/pen.h"
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// forward declaration
|
|
// -----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxImageList;
|
|
class WXDLLEXPORT wxGenericTreeItem;
|
|
|
|
class WXDLLEXPORT wxTreeItemData;
|
|
|
|
class WXDLLEXPORT wxTreeRenameTimer;
|
|
class WXDLLEXPORT wxTreeTextCtrl;
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// wxGenericTreeCtrl - the tree control
|
|
// -----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxGenericTreeCtrl : public wxScrolledWindow
|
|
{
|
|
public:
|
|
// creation
|
|
// --------
|
|
wxGenericTreeCtrl() { Init(); }
|
|
|
|
wxGenericTreeCtrl(wxWindow *parent, wxWindowID id = -1,
|
|
const wxPoint& pos = wxDefaultPosition,
|
|
const wxSize& size = wxDefaultSize,
|
|
long style = wxTR_DEFAULT_STYLE,
|
|
const wxValidator &validator = wxDefaultValidator,
|
|
const wxString& name = wxTreeCtrlNameStr)
|
|
{
|
|
Init();
|
|
Create(parent, id, pos, size, style, validator, name);
|
|
}
|
|
|
|
virtual ~wxGenericTreeCtrl();
|
|
|
|
bool Create(wxWindow *parent, wxWindowID id = -1,
|
|
const wxPoint& pos = wxDefaultPosition,
|
|
const wxSize& size = wxDefaultSize,
|
|
long style = wxTR_DEFAULT_STYLE,
|
|
const wxValidator &validator = wxDefaultValidator,
|
|
const wxString& name = wxTreeCtrlNameStr);
|
|
|
|
// accessors
|
|
// ---------
|
|
|
|
// get the total number of items in the control
|
|
size_t GetCount() const;
|
|
|
|
// indent is the number of pixels the children are indented relative to
|
|
// the parents position. SetIndent() also redraws the control
|
|
// immediately.
|
|
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 when assigned with
|
|
// SetImageList, the control does _not_ delete
|
|
// the associated image list when it's deleted in order to allow image
|
|
// lists to be shared between different controls. If you use
|
|
// AssignImageList, the control _does_ delete the image list.
|
|
//
|
|
// The normal image list is for the icons which correspond to the
|
|
// normal tree item state (whether it is selected or not).
|
|
// Additionally, the application might choose to show a state icon
|
|
// which corresponds to an app-defined item state (for example,
|
|
// checked/unchecked) which are taken from the state image list.
|
|
wxImageList *GetImageList() const;
|
|
wxImageList *GetStateImageList() const;
|
|
wxImageList *GetButtonsImageList() const;
|
|
|
|
void SetImageList(wxImageList *imageList);
|
|
void SetStateImageList(wxImageList *imageList);
|
|
void SetButtonsImageList(wxImageList *imageList);
|
|
void AssignImageList(wxImageList *imageList);
|
|
void AssignStateImageList(wxImageList *imageList);
|
|
void AssignButtonsImageList(wxImageList *imageList);
|
|
|
|
// Functions to work with tree ctrl items.
|
|
|
|
// accessors
|
|
// ---------
|
|
|
|
// retrieve item's label
|
|
wxString GetItemText(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;
|
|
|
|
// modifiers
|
|
// ---------
|
|
|
|
// set item's label
|
|
void SetItemText(const wxTreeItemId& item, const wxString& text);
|
|
// 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);
|
|
|
|
// force appearance of [+] button near the item. This is useful to
|
|
// allow the user to expand the items which don't have any children now
|
|
// - but instead add them only when needed, thus minimizing memory
|
|
// 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 item's text colour
|
|
void SetItemTextColour(const wxTreeItemId& item, const wxColour& col);
|
|
|
|
// set the item's background colour
|
|
void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col);
|
|
|
|
// set the item's font (should be of the same height for all items)
|
|
void SetItemFont(const wxTreeItemId& item, const wxFont& font);
|
|
|
|
// set the window font
|
|
virtual bool SetFont( const wxFont &font );
|
|
|
|
// set the styles. No need to specify a GetWindowStyle here since
|
|
// the base wxWindow member function will do it for us
|
|
void SetWindowStyle(const long styles);
|
|
|
|
// 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;
|
|
// does the layout include space for a button?
|
|
|
|
// number of children
|
|
// ------------------
|
|
|
|
// if 'recursively' is FALSE, only immediate children count, otherwise
|
|
// the returned number is the number of all items in this branch
|
|
size_t GetChildrenCount(const wxTreeItemId& item, bool recursively = TRUE);
|
|
|
|
// navigation
|
|
// ----------
|
|
|
|
// wxTreeItemId.IsOk() will return FALSE if there is no such item
|
|
|
|
// get the root tree item
|
|
wxTreeItemId GetRootItem() const { return m_anchor; }
|
|
|
|
// 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;
|
|
|
|
// for this enumeration function you must pass in a "cookie" parameter
|
|
// which is opaque for the application but is necessary for the library
|
|
// to make these functions reentrant (i.e. allow more than one
|
|
// enumeration on one and the same object simultaneously). Of course,
|
|
// the "cookie" passed to GetFirstChild() and GetNextChild() should be
|
|
// the same!
|
|
|
|
// get the first child of this item
|
|
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;
|
|
// get the previous sibling
|
|
wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
|
|
|
|
// get first visible item
|
|
wxTreeItemId GetFirstVisibleItem() const;
|
|
// get the next visible item: item must be visible itself!
|
|
// see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
|
|
wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
|
|
// get the previous visible item: item must be visible itself!
|
|
wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
|
|
|
|
// Only for internal use right now, but should probably be public
|
|
wxTreeItemId GetNext(const wxTreeItemId& item) const;
|
|
|
|
// operations
|
|
// ----------
|
|
|
|
// add the root node to the tree
|
|
wxTreeItemId AddRoot(const wxString& text,
|
|
int image = -1, int selectedImage = -1,
|
|
wxTreeItemData *data = NULL);
|
|
|
|
// insert a new item in as the first child of the parent
|
|
wxTreeItemId PrependItem(const wxTreeItemId& parent,
|
|
const wxString& text,
|
|
int image = -1, int selectedImage = -1,
|
|
wxTreeItemData *data = NULL);
|
|
|
|
// insert a new item after a given one
|
|
wxTreeItemId InsertItem(const wxTreeItemId& parent,
|
|
const wxTreeItemId& idPrevious,
|
|
const wxString& text,
|
|
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,
|
|
int image = -1, int selectedImage = -1,
|
|
wxTreeItemData *data = NULL);
|
|
|
|
// 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
|
|
void Expand(const wxTreeItemId& item);
|
|
// expand this item and all subitems recursively
|
|
void ExpandAll(const wxTreeItemId& item);
|
|
// collapse the item without removing its children
|
|
void Collapse(const wxTreeItemId& item);
|
|
// collapse the item and remove all children
|
|
void CollapseAndReset(const wxTreeItemId& item);
|
|
// toggles the current state
|
|
void Toggle(const wxTreeItemId& item);
|
|
|
|
// remove the selection from currently selected item (if any)
|
|
void Unselect();
|
|
void UnselectAll();
|
|
// select this 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);
|
|
void AdjustMyScrollbars();
|
|
|
|
// 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);
|
|
|
|
// get the bounding rectangle of the item (or of its label only)
|
|
bool GetBoundingRect(const wxTreeItemId& item,
|
|
wxRect& rect,
|
|
bool textOnly = FALSE) const;
|
|
|
|
// 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.
|
|
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 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
|
|
|
|
// overridden base class virtuals
|
|
virtual bool SetBackgroundColour(const wxColour& colour);
|
|
virtual bool SetForegroundColour(const wxColour& colour);
|
|
|
|
// callbacks
|
|
void OnPaint( wxPaintEvent &event );
|
|
void OnSetFocus( wxFocusEvent &event );
|
|
void OnKillFocus( wxFocusEvent &event );
|
|
void OnChar( wxKeyEvent &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, *m_key_current, *m_currentEdit;
|
|
unsigned short m_indent;
|
|
unsigned short m_spacing;
|
|
int m_lineHeight;
|
|
wxPen m_dottedPen;
|
|
wxBrush *m_hilightBrush,
|
|
*m_hilightUnfocusedBrush;
|
|
bool m_hasFocus;
|
|
bool m_dirty;
|
|
bool m_ownsImageListNormal,
|
|
m_ownsImageListState,
|
|
m_ownsImageListButtons;
|
|
bool m_isDragging; // true between BEGIN/END drag events
|
|
bool m_renameAccept;
|
|
bool m_lastOnSame; // last click on the same item as prev
|
|
wxImageList *m_imageListNormal,
|
|
*m_imageListState,
|
|
*m_imageListButtons;
|
|
|
|
int m_dragCount;
|
|
wxPoint m_dragStart;
|
|
wxGenericTreeItem *m_dropTarget;
|
|
wxCursor m_oldCursor; // cursor is changed while dragging
|
|
wxGenericTreeItem *m_oldSelection;
|
|
|
|
wxTimer *m_renameTimer;
|
|
wxString m_renameRes;
|
|
|
|
wxBitmap *m_arrowRight,*m_arrowDown;
|
|
|
|
// the common part of all ctors
|
|
void Init();
|
|
|
|
// misc helpers
|
|
wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
|
|
size_t previous,
|
|
const wxString& text,
|
|
int image, int selectedImage,
|
|
wxTreeItemData *data);
|
|
bool HasButtons(void) const
|
|
{ return (m_imageListButtons != NULL)
|
|
|| HasFlag(wxTR_TWIST_BUTTONS|wxTR_HAS_BUTTONS); }
|
|
|
|
protected:
|
|
void CalculateLineHeight();
|
|
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 );
|
|
|
|
// redraw all selected items
|
|
void RefreshSelected();
|
|
|
|
// RefreshSelected() recursive helper
|
|
void RefreshSelectedUnder(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(wxGenericTreeCtrl)
|
|
};
|
|
|
|
#if !defined(__WXMSW__) || defined(__WIN16__) || defined(__WXUNIVERSAL__)
|
|
/*
|
|
* wxTreeCtrl has to be a real class or we have problems with
|
|
* the run-time information.
|
|
*/
|
|
|
|
class WXDLLEXPORT wxTreeCtrl: public wxGenericTreeCtrl
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
|
|
|
|
public:
|
|
wxTreeCtrl() {}
|
|
|
|
wxTreeCtrl(wxWindow *parent, wxWindowID id = -1,
|
|
const wxPoint& pos = wxDefaultPosition,
|
|
const wxSize& size = wxDefaultSize,
|
|
long style = wxTR_DEFAULT_STYLE,
|
|
const wxValidator &validator = wxDefaultValidator,
|
|
const wxString& name = wxTreeCtrlNameStr)
|
|
: wxGenericTreeCtrl(parent, id, pos, size, style, validator, name)
|
|
{
|
|
}
|
|
};
|
|
#endif // !__WXMSW__ || __WIN16__ || __WXUNIVERSAL__
|
|
|
|
#endif // wxUSE_TREECTRL
|
|
|
|
#endif // _GENERIC_TREECTRL_H_
|
|
|