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splittree.h
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C/C++ Source or Header
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2002-09-07
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6KB
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228 lines
/////////////////////////////////////////////////////////////////////////////
// Name: splittree.h
// Purpose: Classes to achieve a remotely-scrolled tree in a splitter
// window that can be scrolled by a scrolled window higher in the
// hierarchy
// Author: Julian Smart
// Modified by:
// Created: 8/7/2000
// RCS-ID: $Id: splittree.h,v 1.3 2002/09/07 12:15:24 GD Exp $
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_SPLITTREE_H_
#define _WX_SPLITTREE_H_
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "splittree.h"
#endif
// Set this to 1 to use generic tree control (doesn't yet work properly)
#define USE_GENERIC_TREECTRL 0
#include "wx/wx.h"
#include "wx/treectrl.h"
#include "wx/splitter.h"
#include "wx/scrolwin.h"
#if USE_GENERIC_TREECTRL
#include "wx/generic/treectlg.h"
#ifndef wxTreeCtrl
#define wxTreeCtrl wxGenericTreeCtrl
#define sm_classwxTreeCtrl sm_classwxGenericTreeCtrl
#endif
#endif
class wxRemotelyScrolledTreeCtrl;
class wxThinSplitterWindow;
class wxSplitterScrolledWindow;
/*
* wxRemotelyScrolledTreeCtrl
*
* This tree control disables its vertical scrollbar and catches scroll
* events passed by a scrolled window higher in the hierarchy.
* It also updates the scrolled window vertical scrollbar as appropriate.
*/
class wxRemotelyScrolledTreeCtrl: public wxTreeCtrl
{
DECLARE_CLASS(wxRemotelyScrolledTreeCtrl)
public:
wxRemotelyScrolledTreeCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pt = wxDefaultPosition,
const wxSize& sz = wxDefaultSize, long style = wxTR_HAS_BUTTONS);
~wxRemotelyScrolledTreeCtrl();
//// Events
void OnSize(wxSizeEvent& event);
void OnExpand(wxTreeEvent& event);
void OnScroll(wxScrollWinEvent& event);
//// Overrides
// Override this in case we're using the generic tree control.
// Calls to this should disable the vertical scrollbar.
// Number of pixels per user unit (0 or -1 for no scrollbar)
// Length of virtual canvas in user units
// Length of page in user units
virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
int noUnitsX, int noUnitsY,
int xPos = 0, int yPos = 0,
bool noRefresh = FALSE );
// In case we're using the generic tree control.
// Get the view start
virtual void GetViewStart(int *x, int *y) const;
// In case we're using the generic tree control.
virtual void PrepareDC(wxDC& dc);
// In case we're using the generic tree control.
virtual int GetScrollPos(int orient) const;
//// Helpers
void HideVScrollbar();
// Calculate the tree overall size so we can set the scrollbar
// correctly
void CalcTreeSize(wxRect& rect);
void CalcTreeSize(const wxTreeItemId& id, wxRect& rect);
// Adjust the containing wxScrolledWindow's scrollbars appropriately
void AdjustRemoteScrollbars();
// Find the scrolled window that contains this control
wxScrolledWindow* GetScrolledWindow() const;
// Scroll to the given line (in scroll units where each unit is
// the height of an item)
void ScrollToLine(int posHoriz, int posVert);
//// Accessors
// The companion window is one which will get notified when certain
// events happen such as node expansion
void SetCompanionWindow(wxWindow* companion) { m_companionWindow = companion; }
wxWindow* GetCompanionWindow() const { return m_companionWindow; }
DECLARE_EVENT_TABLE()
protected:
wxWindow* m_companionWindow;
};
/*
* wxTreeCompanionWindow
*
* A window displaying values associated with tree control items.
*/
class wxTreeCompanionWindow: public wxWindow
{
public:
DECLARE_CLASS(wxTreeCompanionWindow)
wxTreeCompanionWindow(wxWindow* parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& sz = wxDefaultSize,
long style = 0);
//// Overrides
virtual void DrawItem(wxDC& dc, wxTreeItemId id, const wxRect& rect);
//// Events
void OnPaint(wxPaintEvent& event);
void OnScroll(wxScrollWinEvent& event);
void OnExpand(wxTreeEvent& event);
//// Operations
//// Accessors
wxRemotelyScrolledTreeCtrl* GetTreeCtrl() const { return m_treeCtrl; };
void SetTreeCtrl(wxRemotelyScrolledTreeCtrl* treeCtrl) { m_treeCtrl = treeCtrl; }
//// Data members
protected:
wxRemotelyScrolledTreeCtrl* m_treeCtrl;
DECLARE_EVENT_TABLE()
};
/*
* wxThinSplitterWindow
*
* Implements a splitter with a less obvious sash
* than the usual one.
*/
class wxThinSplitterWindow: public wxSplitterWindow
{
public:
DECLARE_DYNAMIC_CLASS(wxThinSplitterWindow)
wxThinSplitterWindow(wxWindow* parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& sz = wxDefaultSize,
long style = wxSP_3D | wxCLIP_CHILDREN);
//// Overrides
void SizeWindows();
// Tests for x, y over sash. Overriding this allows us to increase
// the tolerance.
bool SashHitTest(int x, int y, int tolerance = 2);
void DrawSash(wxDC& dc);
//// Events
void OnSize(wxSizeEvent& event);
//// Operations
//// Accessors
//// Data members
protected:
DECLARE_EVENT_TABLE()
};
/*
* wxSplitterScrolledWindow
*
* This scrolled window is aware of the fact that one of its
* children is a splitter window. It passes on its scroll events
* (after some processing) to both splitter children for them
* scroll appropriately.
*/
class wxSplitterScrolledWindow: public wxScrolledWindow
{
public:
DECLARE_DYNAMIC_CLASS(wxSplitterScrolledWindow)
wxSplitterScrolledWindow(wxWindow* parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& sz = wxDefaultSize,
long style = 0);
//// Overrides
//// Events
void OnScroll(wxScrollWinEvent& event);
void OnSize(wxSizeEvent& event);
//// Operations
//// Accessors
//// Data members
public:
DECLARE_EVENT_TABLE()
};
#endif
// _SPLITTREE_H_