wxWidgets/wxPython/contrib/gizmos/wxCode/include/wx/treelistctrl.h
Robin Dunn 648d396ceb use TWIST buttons by default on the Mac, but also make it possible to
skip the style adjustments so the programmer can do what they want too.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28081 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-06-29 02:58:19 +00:00

554 lines
20 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: treelistctrl.h
// Purpose: wxTreeListCtrl class
// Author: Robert Roebling
// Modified by: Alberto Griggio, 2002
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Robert Roebling, Julian Smart, Alberto Griggio,
// Vadim Zeitlin, Otto Wyss
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef TREELISTCTRL_H
#define TREELISTCTRL_H
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "treelistctrl.h"
#endif
#include <wx/treectrl.h>
#include <wx/control.h>
#include <wx/pen.h>
#include <wx/listctrl.h> // for wxListEvent
#ifdef GIZMOISDLL
#define GIZMODLLEXPORT WXDLLEXPORT
#else
#define GIZMODLLEXPORT
#endif
class GIZMODLLEXPORT wxTreeListItem;
class GIZMODLLEXPORT wxTreeListHeaderWindow;
class GIZMODLLEXPORT wxTreeListMainWindow;
// Using this typedef removes an ambiguity when calling Remove()
#ifdef __WXMSW__
#if !wxCHECK_VERSION(2, 5, 0)
typedef long wxTreeItemIdValue;
#else
typedef void *wxTreeItemIdValue;
#endif
#endif
#define wxTR_DONT_ADJUST_MAC 0x0100 // Don't adjust the style for the Mac
//-----------------------------------------------------------------------------
// wxTreeListColumnAttrs
//-----------------------------------------------------------------------------
enum wxTreeListColumnAlign {
wxTL_ALIGN_LEFT,
wxTL_ALIGN_RIGHT,
wxTL_ALIGN_CENTER
};
class GIZMODLLEXPORT wxTreeListColumnInfo: public wxObject {
public:
enum { DEFAULT_COL_WIDTH = 100 };
wxTreeListColumnInfo(const wxString &text = wxT(""),
int image = -1,
size_t width = DEFAULT_COL_WIDTH,
bool shown = true,
wxTreeListColumnAlign alignment = wxTL_ALIGN_LEFT)
{
m_image = image;
m_selected_image = -1;
m_text = text;
m_width = width;
m_shown = shown;
m_alignment = alignment;
}
wxTreeListColumnInfo(const wxTreeListColumnInfo& other)
{
m_image = other.m_image;
m_selected_image = other.m_selected_image;
m_text = other.m_text;
m_width = other.m_width;
m_shown = other.m_shown;
m_alignment = other.m_alignment;
}
~wxTreeListColumnInfo() {}
// getters
bool GetShown() const { return m_shown; }
wxTreeListColumnAlign GetAlignment() const { return m_alignment; }
wxString GetText() const { return m_text; }
int GetImage() const { return m_image; }
int GetSelectedImage() const { return m_selected_image; }
size_t GetWidth() const { return m_width; }
// setters
wxTreeListColumnInfo& SetShown(bool shown)
{ m_shown = shown; return *this; }
wxTreeListColumnInfo& SetAlignment(wxTreeListColumnAlign alignment)
{ m_alignment = alignment; return *this; }
wxTreeListColumnInfo& SetText(const wxString& text)
{ m_text = text; return *this; }
wxTreeListColumnInfo& SetImage(int image)
{ m_image = image; return *this; }
wxTreeListColumnInfo& SetSelectedImage(int image)
{ m_selected_image = image; return *this; }
wxTreeListColumnInfo& SetWidth(size_t with)
{ m_width = with; return *this; }
private:
bool m_shown;
wxTreeListColumnAlign m_alignment;
wxString m_text;
int m_image;
int m_selected_image;
size_t m_width;
};
//----------------------------------------------------------------------------
// wxTreeListCtrl - the multicolumn tree control
//----------------------------------------------------------------------------
// flags for FindItem
const int wxTL_SEARCH_VISIBLE = 0x0000;
const int wxTL_SEARCH_LEVEL = 0x0001;
const int wxTL_SEARCH_FULL = 0x0002;
const int wxTL_SEARCH_PARTIAL = 0x0010;
const int wxTL_SEARCH_NOCASE = 0x0020;
// additional flag for HitTest
const int wxTREE_HITTEST_ONITEMCOLUMN = 0x2000;
extern GIZMODLLEXPORT const wxChar* wxTreeListCtrlNameStr;
class GIZMODLLEXPORT wxTreeListCtrl : public wxControl
{
public:
// creation
// --------
wxTreeListCtrl() {}
wxTreeListCtrl(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 = wxTreeListCtrlNameStr )
: m_header_win(0), m_main_win(0)
{
Create(parent, id, pos, size, style, validator, name);
}
virtual ~wxTreeListCtrl() {}
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 = wxTreeListCtrlNameStr );
void Refresh(bool erase=TRUE, const wxRect* rect=NULL);
void SetFocus();
// 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;
void SetIndent(unsigned int indent);
// line spacing is the space above and below the text on each line
unsigned int GetLineSpacing() const;
void SetLineSpacing(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 list ctrl columns
// adds a column
void AddColumn(const wxString& text)
{ AddColumn(wxTreeListColumnInfo(text)); }
void AddColumn(const wxString& text,
size_t width,
wxTreeListColumnAlign alignment = wxTL_ALIGN_LEFT)
{ AddColumn(wxTreeListColumnInfo(text,
-1,
width,
true,
alignment)); }
void AddColumn(const wxTreeListColumnInfo& col);
// inserts a column before the given one
void InsertColumn(size_t before, const wxString& text)
{ InsertColumn(before, wxTreeListColumnInfo(text)); }
void InsertColumn(size_t before, const wxTreeListColumnInfo& col);
// deletes the given column - does not delete the corresponding column
// of each item
void RemoveColumn(size_t column);
// returns the number of columns in the ctrl
size_t GetColumnCount() const;
void SetColumnWidth(size_t column, size_t width);
int GetColumnWidth(size_t column) const;
// tells which column is the "main" one, i.e. the "threaded" one
void SetMainColumn(size_t column);
size_t GetMainColumn() const;
void SetColumnText(size_t column, const wxString& text);
wxString GetColumnText(size_t column) const;
void SetColumn(size_t column, const wxTreeListColumnInfo& info);
wxTreeListColumnInfo& GetColumn(size_t column);
const wxTreeListColumnInfo& GetColumn(size_t column) const;
// other column-related methods
void SetColumnAlignment(size_t column, wxTreeListColumnAlign align);
wxTreeListColumnAlign GetColumnAlignment(size_t column) const;
void SetColumnImage(size_t column, int image);
int GetColumnImage(size_t column) const;
void ShowColumn(size_t column, bool shown);
bool IsColumnShown(size_t column) const;
// Functions to work with tree list ctrl items.
// accessors
// ---------
// retrieve item's label (of the main column)
wxString GetItemText(const wxTreeItemId& item) const
{ return GetItemText(item, GetMainColumn()); }
// retrieves item's label of the given column
wxString GetItemText(const wxTreeItemId& item, size_t column) const;
// get one of the images associated with the item (normal by default)
int GetItemImage(const wxTreeItemId& item,
wxTreeItemIcon which = wxTreeItemIcon_Normal) const
{ return GetItemImage(item, GetMainColumn(), which); }
int GetItemImage(const wxTreeItemId& item, size_t column,
wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
// get the data associated with the item
wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
bool GetItemBold(const wxTreeItemId& item) const;
wxColour GetItemTextColour(const wxTreeItemId& item) const;
wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
wxFont GetItemFont(const wxTreeItemId& item) const;
// modifiers
// ---------
// set item's label
void SetItemText(const wxTreeItemId& item, const wxString& text)
{ SetItemText(item, GetMainColumn(), text); }
void SetItemText(const wxTreeItemId& item, size_t column,
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)
{ SetItemImage(item, GetMainColumn(), image, which); }
// the which parameter is ignored for all columns but the main one
void SetItemImage(const wxTreeItemId& item, size_t column, 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& colour);
// set the item's background colour
void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& colour);
// 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.
void SetWindowStyle(const long styles);
long GetWindowStyle() const;
long GetWindowStyleFlag() const { return GetWindowStyle(); }
// 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;
// get the item currently selected (may return NULL if no selection)
wxTreeItemId GetSelection() const;
// 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 GetItemParent(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
#if !wxCHECK_VERSION(2, 5, 0)
wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& cookie) const;
#else
wxTreeItemId GetFirstChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const;
#endif
// get the next child
#if !wxCHECK_VERSION(2, 5, 0)
wxTreeItemId GetNextChild(const wxTreeItemId& item, long& cookie) const;
#else
wxTreeItemId GetNextChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const;
#endif
// get the prev child
#if !wxCHECK_VERSION(2, 5, 0)
wxTreeItemId GetPrevChild(const wxTreeItemId& item, long& cookie) const;
#else
wxTreeItemId GetPrevChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const;
#endif
// 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);
void SelectAll(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)
{ int col; return HitTest(point, flags, col); }
wxTreeItemId HitTest(const wxPoint& point, int& flags, int& column);
// 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);
// searching
wxTreeItemId FindItem (const wxTreeItemId& item, const wxString& str, int flags = 0);
// overridden base class virtuals
virtual bool SetBackgroundColour(const wxColour& colour);
virtual bool SetForegroundColour(const wxColour& colour);
wxTreeListHeaderWindow* GetHeaderWindow() const
{ return m_header_win; }
wxTreeListMainWindow* GetMainWindow() const
{ return m_main_win; }
protected:
// header window, responsible for column visualization and manipulation
wxTreeListHeaderWindow* m_header_win;
// main window, the "true" tree ctrl
wxTreeListMainWindow* m_main_win;
// // the common part of all ctors
// void Init();
void OnSize(wxSizeEvent& event);
private:
size_t fill_column;
DECLARE_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxTreeListCtrl)
};
#endif // TREELISTCTRL_H