[wxWidgets.git] / contrib / utils / wxrcedit / splittree.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        splittree.cpp
// 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:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
    #pragma implementation "splittree.h"
#endif

// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWindows headers)
#ifndef WX_PRECOMP
    #include "wx/wx.h"
#endif

#ifdef __WXMSW__
#include <windows.h>
#include "wx/msw/winundef.h"
#endif

#include "wx/gizmos/splittree.h"
#include <math.h>

/*
 * wxRemotelyScrolledTreeCtrl
 */

#if USE_GENERIC_TREECTRL
IMPLEMENT_CLASS(wxRemotelyScrolledTreeCtrl, wxGenericTreeCtrl)
#else
IMPLEMENT_CLASS(wxRemotelyScrolledTreeCtrl, wxTreeCtrl)
#endif

#if USE_GENERIC_TREECTRL
BEGIN_EVENT_TABLE(wxRemotelyScrolledTreeCtrl, wxGenericTreeCtrl)
#else
BEGIN_EVENT_TABLE(wxRemotelyScrolledTreeCtrl, wxTreeCtrl)
#endif
	EVT_SIZE(wxRemotelyScrolledTreeCtrl::OnSize)
	EVT_TREE_ITEM_EXPANDED(-1, wxRemotelyScrolledTreeCtrl::OnExpand)
	EVT_TREE_ITEM_COLLAPSED(-1, wxRemotelyScrolledTreeCtrl::OnExpand)
	EVT_SCROLLWIN(wxRemotelyScrolledTreeCtrl::OnScroll)
END_EVENT_TABLE()

wxRemotelyScrolledTreeCtrl::wxRemotelyScrolledTreeCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pt,
        const wxSize& sz, long style):
        wxTreeCtrl(parent, id, pt, sz, style)
{
	m_companionWindow = NULL;
}

wxRemotelyScrolledTreeCtrl::~wxRemotelyScrolledTreeCtrl()
{
}

void wxRemotelyScrolledTreeCtrl::HideVScrollbar()
{
#if defined(__WXMSW__) && USE_GENERIC_TREECTRL
    if (!IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
    {
        ::ShowScrollBar((HWND) GetHWND(), SB_VERT, FALSE);
    }
    else
#endif
    {
        // Implicit in overriding SetScrollbars
    }
}

// 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
void wxRemotelyScrolledTreeCtrl::SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
                             int noUnitsX, int noUnitsY,
                             int xPos, int yPos,
                             bool noRefresh)
{
#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
    if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
    {
        wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
        win->wxGenericTreeCtrl::SetScrollbars(pixelsPerUnitX, 0, noUnitsX, 0, xPos, 0, noRefresh);

	    wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	    if (scrolledWindow)
	    {
            scrolledWindow->SetScrollbars(0, pixelsPerUnitY, 0, noUnitsY, 0, yPos, noRefresh);
        }
    }
#endif
}

// In case we're using the generic tree control.
int wxRemotelyScrolledTreeCtrl::GetScrollPos(int orient) const
{
    wxScrolledWindow* scrolledWindow = GetScrolledWindow();

#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
    if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
    {
        wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;

        if (orient == wxHORIZONTAL)
            return win->wxGenericTreeCtrl::GetScrollPos(orient);
        else
        {
            return scrolledWindow->GetScrollPos(orient);
        }
    }
#endif
    return 0;
}


// In case we're using the generic tree control.
// Get the view start
void wxRemotelyScrolledTreeCtrl::GetViewStart(int *x, int *y) const
{
    wxScrolledWindow* scrolledWindow = GetScrolledWindow();

#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
    if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
    {

        wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
        int x1, y1, x2, y2;
        win->wxGenericTreeCtrl::GetViewStart(& x1, & y1);
        * x = x1; * y = y1;
        if (!scrolledWindow)
            return;

        scrolledWindow->GetViewStart(& x2, & y2);
        * y = y2;
    }
	else
#endif
	{
		// x is wrong since the horizontal scrollbar is controlled by the
		// tree control, but we probably don't need it.
        scrolledWindow->GetViewStart(x, y);
	}
}

// In case we're using the generic tree control.
void wxRemotelyScrolledTreeCtrl::PrepareDC(wxDC& dc)
{
#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
    if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
    {
	    wxScrolledWindow* scrolledWindow = GetScrolledWindow();

        wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;

        int startX, startY;
        GetViewStart(& startX, & startY);

        int xppu1, yppu1, xppu2, yppu2;
        win->wxGenericTreeCtrl::GetScrollPixelsPerUnit(& xppu1, & yppu1);
        scrolledWindow->GetScrollPixelsPerUnit(& xppu2, & yppu2);

        dc.SetDeviceOrigin( -startX * xppu1, -startY * yppu2 );
        // dc.SetUserScale( win->GetScaleX(), win->GetScaleY() );
    }
#endif
}

// Scroll to the given line (in scroll units where each unit is
// the height of an item)
void wxRemotelyScrolledTreeCtrl::ScrollToLine(int posHoriz, int posVert)
{
#ifdef __WXMSW__
#if USE_GENERIC_TREECTRL
    if (!IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
#endif
    {
	    UINT sbCode = SB_THUMBPOSITION;
	    HWND vertScrollBar = 0;
	    MSWDefWindowProc((WXUINT) WM_VSCROLL, MAKELONG(sbCode, posVert), (WXHWND) vertScrollBar);
    }
#if USE_GENERIC_TREECTRL
    else
#endif
#endif
#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
    {
        wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
		win->Refresh();
		/* Doesn't work yet because scrolling is ignored by Scroll
        int xppu, yppu;
	    wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	    if (scrolledWindow)
	    {
			scrolledWindow->GetScrollPixelsPerUnit(& xppu, & yppu);
			win->Scroll(-1, posVert*yppu);
		}
		*/
    }
#endif
}

void wxRemotelyScrolledTreeCtrl::OnSize(wxSizeEvent& event)
{
	HideVScrollbar();
	AdjustRemoteScrollbars();
	event.Skip();
}

void wxRemotelyScrolledTreeCtrl::OnExpand(wxTreeEvent& event)
{
	AdjustRemoteScrollbars();
	event.Skip();

    // If we don't have this, we get some bits of lines still remaining
    if (event.GetEventType() == wxEVT_COMMAND_TREE_ITEM_COLLAPSED)
        Refresh();

	// Pass on the event
	if (m_companionWindow)
		m_companionWindow->GetEventHandler()->ProcessEvent(event);
}

// Adjust the containing wxScrolledWindow's scrollbars appropriately
void wxRemotelyScrolledTreeCtrl::AdjustRemoteScrollbars()
{
#if USE_GENERIC_TREECTRL || !defined(__WXMSW__)
    if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
	{
		// This is for the generic tree control.
		// It calls SetScrollbars which has been overridden
		// to adjust the parent scrolled window vertical
		// scrollbar.
		((wxGenericTreeCtrl*) this)->AdjustMyScrollbars();
        return;
	}
	else
#endif
	{
		// This is for the wxMSW tree control
		wxScrolledWindow* scrolledWindow = GetScrolledWindow();
		if (scrolledWindow)
		{
			wxRect itemRect;
			if (GetBoundingRect(GetRootItem(), itemRect))
			{
                // Actually, the real height seems to be 1 less than reported
                // (e.g. 16 instead of 16)
                int itemHeight = itemRect.GetHeight() - 1;
				
				int w, h;
				GetClientSize(&w, &h);
				
				wxRect rect(0, 0, 0, 0);
				CalcTreeSize(rect);

                double f = ((double) (rect.GetHeight()) / (double) itemHeight)  ;
                int treeViewHeight = (int) ceil(f);
				
				int scrollPixelsPerLine = itemHeight;
				int scrollPos = - (itemRect.y / itemHeight);
				
				scrolledWindow->SetScrollbars(0, scrollPixelsPerLine, 0, treeViewHeight, 0, scrollPos);
				
				// Ensure that when a scrollbar becomes hidden or visible,
				// the contained window sizes are right.
				// Problem: this is called too early (?)
				wxSizeEvent event(scrolledWindow->GetSize(), scrolledWindow->GetId());
				scrolledWindow->GetEventHandler()->ProcessEvent(event);
			}
		}
	}
}


// Calculate the area that contains both rectangles
static wxRect CombineRectangles(const wxRect& rect1, const wxRect& rect2)
{
    wxRect rect;

    int right1 = rect1.GetRight();
    int bottom1 = rect1.GetBottom();
    int right2 = rect2.GetRight();
    int bottom2 = rect2.GetBottom();
    
    wxPoint topLeft = wxPoint(wxMin(rect1.x, rect2.x), wxMin(rect1.y, rect2.y));
    wxPoint bottomRight = wxPoint(wxMax(right1, right2), wxMax(bottom1, bottom2));
    
    rect.x = topLeft.x; rect.y = topLeft.y;
    rect.SetRight(bottomRight.x);
    rect.SetBottom(bottomRight.y);

    return rect;
}


// Calculate the tree overall size so we can set the scrollbar
// correctly
void wxRemotelyScrolledTreeCtrl::CalcTreeSize(wxRect& rect)
{
	CalcTreeSize(GetRootItem(), rect);
}

void wxRemotelyScrolledTreeCtrl::CalcTreeSize(const wxTreeItemId& id, wxRect& rect)
{
	// More efficient implementation would be to find the last item (but how?)
	// Q: is the bounding rect relative to the top of the virtual tree workspace
	// or the top of the window? How would we convert?
	wxRect itemSize;
	if (GetBoundingRect(id, itemSize))
	{
		rect = CombineRectangles(rect, itemSize);
	}

	long cookie;
	wxTreeItemId childId = GetFirstChild(id, cookie);
	while (childId != 0)
	{
		CalcTreeSize(childId, rect);
		childId = GetNextChild(childId, cookie);
	}
}

// Find the scrolled window that contains this control
wxScrolledWindow* wxRemotelyScrolledTreeCtrl::GetScrolledWindow() const
{
	wxWindow* parent = wxWindow::GetParent();
	while (parent)
	{
		if (parent->IsKindOf(CLASSINFO(wxScrolledWindow)))
			return (wxScrolledWindow*) parent;
		parent = parent->GetParent();
	}
	return NULL;
}

void wxRemotelyScrolledTreeCtrl::OnScroll(wxScrollWinEvent& event)
{
    int orient = event.GetOrientation();
    if (orient == wxHORIZONTAL)
    {
        event.Skip();
        return;
    }
    wxScrolledWindow* scrollWin = GetScrolledWindow();
    if (!scrollWin)
        return;

    int x, y;
    scrollWin->GetViewStart(& x, & y);

    ScrollToLine(-1, y);
}

/*
 * wxTreeCompanionWindow
 *
 * A window displaying values associated with tree control items.
 */

IMPLEMENT_CLASS(wxTreeCompanionWindow, wxWindow)

BEGIN_EVENT_TABLE(wxTreeCompanionWindow, wxWindow)
	EVT_PAINT(wxTreeCompanionWindow::OnPaint)
	EVT_SCROLLWIN(wxTreeCompanionWindow::OnScroll)
	EVT_TREE_ITEM_EXPANDED(-1, wxTreeCompanionWindow::OnExpand)
	EVT_TREE_ITEM_COLLAPSED(-1, wxTreeCompanionWindow::OnExpand)
END_EVENT_TABLE()

wxTreeCompanionWindow::wxTreeCompanionWindow(wxWindow* parent, wxWindowID id,
      const wxPoint& pos,
      const wxSize& sz,
      long style):
	wxWindow(parent, id, pos, sz, style)
{
	m_treeCtrl = NULL;
}

void wxTreeCompanionWindow::DrawItem(wxDC& dc, wxTreeItemId id, const wxRect& rect)
{
	// TEST CODE
#if 1
	if (m_treeCtrl)
	{
		wxString text = m_treeCtrl->GetItemText(id);
		dc.SetTextForeground(* wxBLACK);
		dc.SetBackgroundMode(wxTRANSPARENT);

		int textW, textH;
		dc.GetTextExtent(text, & textW, & textH);

		int x = 5;
		int y = rect.GetY() + wxMax(0, (rect.GetHeight() - textH) / 2);

		dc.DrawText(text, x, y);
	}
#endif
}

void wxTreeCompanionWindow::OnPaint(wxPaintEvent& event)
{
	wxPaintDC dc(this);

    if (!m_treeCtrl)
        return;

        wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
	dc.SetPen(pen);
	dc.SetBrush(* wxTRANSPARENT_BRUSH);
	wxFont font(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
	dc.SetFont(font);

    wxSize clientSize = GetClientSize();
	wxRect itemRect;
	int cy=0;
	wxTreeItemId h, lastH;
	for(h=m_treeCtrl->GetFirstVisibleItem();h;h=m_treeCtrl->GetNextVisible(h))
	{
		if (m_treeCtrl->GetBoundingRect(h, itemRect))
		{
			cy = itemRect.GetTop();
			wxRect drawItemRect(0, cy, clientSize.x, itemRect.GetHeight());

			lastH = h;

			// Draw the actual item
			DrawItem(dc, h, drawItemRect);
			dc.DrawLine(0, cy, clientSize.x, cy);
		}
	}
	if (lastH.IsOk() && m_treeCtrl->GetBoundingRect(lastH, itemRect))
	{
		cy = itemRect.GetBottom();
		dc.DrawLine(0, cy, clientSize.x, cy);
	}
}

void wxTreeCompanionWindow::OnScroll(wxScrollWinEvent& event)
{
    int orient = event.GetOrientation();
    if (orient == wxHORIZONTAL)
    {
        event.Skip();
        return;
    }
    if (!m_treeCtrl)
        return;

	// TODO: scroll the window physically instead of just refreshing.
	Refresh(TRUE);
}

void wxTreeCompanionWindow::OnExpand(wxTreeEvent& event)
{
	// TODO: something more optimized than simply refresh the whole
	// window when the tree is expanded/collapsed. Tricky.
	Refresh();
}

/*
 * wxThinSplitterWindow
 */

IMPLEMENT_CLASS(wxThinSplitterWindow, wxSplitterWindow)

BEGIN_EVENT_TABLE(wxThinSplitterWindow, wxSplitterWindow)
	EVT_SIZE(wxThinSplitterWindow::OnSize)
END_EVENT_TABLE()

wxThinSplitterWindow::wxThinSplitterWindow(wxWindow* parent, wxWindowID id,
      const wxPoint& pos,
      const wxSize& sz,
      long style):
      wxSplitterWindow(parent, id, pos, sz, style)
{
}

void wxThinSplitterWindow::SizeWindows()
{
	// The client size may have changed inbetween
	// the sizing of the first window and the sizing of
	// the second. So repeat SizeWindows.
    wxSplitterWindow::SizeWindows();
    wxSplitterWindow::SizeWindows();
}

// Tests for x, y over sash
bool wxThinSplitterWindow::SashHitTest(int x, int y, int tolerance)
{
	return wxSplitterWindow::SashHitTest(x, y, 4);
}

void wxThinSplitterWindow::DrawSash(wxDC& dc)
{
    if ( m_sashPosition == 0 || !m_windowTwo)
        return;
    if (GetWindowStyle() & wxSP_NOSASH)
        return;

    int w, h;
    GetClientSize(&w, &h);

	if ( m_splitMode == wxSPLIT_VERTICAL )
	{
		dc.SetPen(* m_facePen);
		dc.SetBrush(* m_faceBrush);
		int h1 = h-1;
		int y1 = 0;
		if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER && (GetWindowStyleFlag() & wxSP_3DBORDER) != wxSP_3DBORDER )
			h1 += 1; // Not sure why this is necessary...
		if ( (GetWindowStyleFlag() & wxSP_3DBORDER) == wxSP_3DBORDER)
		{
			y1 = 2; h1 -= 3;
		}
		dc.DrawRectangle(m_sashPosition, y1, m_sashSize, h1);
	}
	else
	{
		dc.SetPen(* m_facePen);
		dc.SetBrush(* m_faceBrush);
		int w1 = w-1;
		int x1 = 0;
		if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER && (GetWindowStyleFlag() & wxSP_3DBORDER) != wxSP_3DBORDER )
			w1 ++;
		if ( (GetWindowStyleFlag() & wxSP_3DBORDER) == wxSP_3DBORDER)
		{
			x1 = 2; w1 -= 3;
		}
		dc.DrawRectangle(x1, m_sashPosition, w1, m_sashSize);
	}
	
    dc.SetPen(wxNullPen);
    dc.SetBrush(wxNullBrush);
}

void wxThinSplitterWindow::OnSize(wxSizeEvent& event)
{
	wxSplitterWindow::OnSize(event);
}

/*
 * wxSplitterScrolledWindow
 */

IMPLEMENT_CLASS(wxSplitterScrolledWindow, wxScrolledWindow)

BEGIN_EVENT_TABLE(wxSplitterScrolledWindow, wxScrolledWindow)
	EVT_SCROLLWIN(wxSplitterScrolledWindow::OnScroll)
	EVT_SIZE(wxSplitterScrolledWindow::OnSize)
END_EVENT_TABLE()

wxSplitterScrolledWindow::wxSplitterScrolledWindow(wxWindow* parent, wxWindowID id,
      const wxPoint& pos,
      const wxSize& sz,
      long style):
      wxScrolledWindow(parent, id, pos, sz, style)
{
}

void wxSplitterScrolledWindow::OnSize(wxSizeEvent& event)
{
	wxSize sz = GetClientSize();
	if (GetChildren().First())
	{
		((wxWindow*) GetChildren().First()->Data())->SetSize(0, 0, sz.x, sz.y);
	}
}

void wxSplitterScrolledWindow::OnScroll(wxScrollWinEvent& event)
{
    // Ensure that events being propagated back up the window hierarchy
    // don't cause an infinite loop
    static bool inOnScroll = FALSE;
    if (inOnScroll)
    {
        event.Skip();
        return;
    }
    inOnScroll = TRUE;
    
    int orient = event.GetOrientation();

    int nScrollInc = CalcScrollInc(event);
    if (nScrollInc == 0)
    {
        inOnScroll = FALSE;
        return;
    }

    if (orient == wxHORIZONTAL)
    {
        inOnScroll = FALSE;
        event.Skip();
        return;
#if 0
        int newPos = m_xScrollPosition + nScrollInc;
        SetScrollPos(wxHORIZONTAL, newPos, TRUE );
#endif
    }
    else
    {
        int newPos = m_yScrollPosition + nScrollInc;
        SetScrollPos(wxVERTICAL, newPos, TRUE );
    }

    if (orient == wxHORIZONTAL)
    {
        m_xScrollPosition += nScrollInc;
    }
    else
    {
        m_yScrollPosition += nScrollInc;
    }

    // Find targets in splitter window and send the event to them
    wxNode* node = GetChildren().First();
    while (node)
    {
        wxWindow* child = (wxWindow*) node->Data();
        if (child->IsKindOf(CLASSINFO(wxSplitterWindow)))
        {
            wxSplitterWindow* splitter = (wxSplitterWindow*) child;
            if (splitter->GetWindow1())
                splitter->GetWindow1()->ProcessEvent(event);
            if (splitter->GetWindow2())
                splitter->GetWindow2()->ProcessEvent(event);
            break;
        }
        node = node->Next();
    }

#ifdef __WXMAC__
    m_targetWindow->MacUpdateImmediately() ;
#endif

    inOnScroll = FALSE;
}
Commit	Line	Data
12d9e308 VS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: splittree.cpp
	3	// Purpose: Classes to achieve a remotely-scrolled tree in a splitter
	4	// window that can be scrolled by a scrolled window higher in the
	5	// hierarchy
	6	// Author: Julian Smart
	7	// Modified by:
	8	// Created: 8/7/2000
	9	// RCS-ID: $Id$
	10	// Copyright: (c) Julian Smart
	11	// Licence: wxWindows licence
	12	/////////////////////////////////////////////////////////////////////////////
	13
	14	// ============================================================================
	15	// declarations
	16	// ============================================================================
	17
	18	// ----------------------------------------------------------------------------
	19	// headers
	20	// ----------------------------------------------------------------------------
	21	#ifdef __GNUG__
	22	#pragma implementation "splittree.h"
	23	#endif
	24
	25	// For compilers that support precompilation, includes "wx/wx.h".
	26	#include "wx/wxprec.h"
	27
	28	#ifdef __BORLANDC__
	29	#pragma hdrstop
	30	#endif
	31
	32	// for all others, include the necessary headers (this file is usually all you
	33	// need because it includes almost all "standard" wxWindows headers)
	34	#ifndef WX_PRECOMP
	35	#include "wx/wx.h"
	36	#endif
	37
43ef6d9e	38	#ifdef __WXMSW__
6495f2dd	39	#include <windows.h>
43ef6d9e VS	40	#include "wx/msw/winundef.h"
	41	#endif
	42
6495f2dd JS	43	#include "wx/gizmos/splittree.h"
6495f2dd JS	44	#include <math.h>
12d9e308 VS	45
	46	/*
	47	* wxRemotelyScrolledTreeCtrl
	48	*/
	49
	50	#if USE_GENERIC_TREECTRL
	51	IMPLEMENT_CLASS(wxRemotelyScrolledTreeCtrl, wxGenericTreeCtrl)
	52	#else
	53	IMPLEMENT_CLASS(wxRemotelyScrolledTreeCtrl, wxTreeCtrl)
	54	#endif
	55
	56	#if USE_GENERIC_TREECTRL
	57	BEGIN_EVENT_TABLE(wxRemotelyScrolledTreeCtrl, wxGenericTreeCtrl)
	58	#else
	59	BEGIN_EVENT_TABLE(wxRemotelyScrolledTreeCtrl, wxTreeCtrl)
	60	#endif
	61	EVT_SIZE(wxRemotelyScrolledTreeCtrl::OnSize)
	62	EVT_TREE_ITEM_EXPANDED(-1, wxRemotelyScrolledTreeCtrl::OnExpand)
	63	EVT_TREE_ITEM_COLLAPSED(-1, wxRemotelyScrolledTreeCtrl::OnExpand)
	64	EVT_SCROLLWIN(wxRemotelyScrolledTreeCtrl::OnScroll)
	65	END_EVENT_TABLE()
	66
	67	wxRemotelyScrolledTreeCtrl::wxRemotelyScrolledTreeCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pt,
	68	const wxSize& sz, long style):
	69	wxTreeCtrl(parent, id, pt, sz, style)
	70	{
	71	m_companionWindow = NULL;
	72	}
	73
	74	wxRemotelyScrolledTreeCtrl::~wxRemotelyScrolledTreeCtrl()
	75	{
	76	}
	77
	78	void wxRemotelyScrolledTreeCtrl::HideVScrollbar()
	79	{
6495f2dd	80	#if defined(__WXMSW__) && USE_GENERIC_TREECTRL
12d9e308 VS	81	if (!IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
	82	{
	83	::ShowScrollBar((HWND) GetHWND(), SB_VERT, FALSE);
	84	}
	85	else
	86	#endif
	87	{
	88	// Implicit in overriding SetScrollbars
	89	}
	90	}
	91
	92	// Number of pixels per user unit (0 or -1 for no scrollbar)
	93	// Length of virtual canvas in user units
	94	// Length of page in user units
	95	void wxRemotelyScrolledTreeCtrl::SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
	96	int noUnitsX, int noUnitsY,
	97	int xPos, int yPos,
	98	bool noRefresh)
	99	{
6495f2dd	100	#if USE_GENERIC_TREECTRL \|\| !defined(__WXMSW__)
12d9e308 VS	101	if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
	102	{
	103	wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
	104	win->wxGenericTreeCtrl::SetScrollbars(pixelsPerUnitX, 0, noUnitsX, 0, xPos, 0, noRefresh);
	105
	106	wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	107	if (scrolledWindow)
	108	{
	109	scrolledWindow->SetScrollbars(0, pixelsPerUnitY, 0, noUnitsY, 0, yPos, noRefresh);
	110	}
	111	}
6495f2dd	112	#endif
12d9e308 VS	113	}
	114
	115	// In case we're using the generic tree control.
	116	int wxRemotelyScrolledTreeCtrl::GetScrollPos(int orient) const
	117	{
	118	wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	119
6495f2dd	120	#if USE_GENERIC_TREECTRL \|\| !defined(__WXMSW__)
12d9e308 VS	121	if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
	122	{
	123	wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
	124
	125	if (orient == wxHORIZONTAL)
	126	return win->wxGenericTreeCtrl::GetScrollPos(orient);
	127	else
	128	{
	129	return scrolledWindow->GetScrollPos(orient);
	130	}
	131	}
6495f2dd	132	#endif
12d9e308 VS	133	return 0;
	134	}
	135
	136
	137	// In case we're using the generic tree control.
	138	// Get the view start
	139	void wxRemotelyScrolledTreeCtrl::GetViewStart(int x, int y) const
	140	{
	141	wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	142
6495f2dd	143	#if USE_GENERIC_TREECTRL \|\| !defined(__WXMSW__)
12d9e308 VS	144	if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
	145	{
	146
	147	wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
	148	int x1, y1, x2, y2;
	149	win->wxGenericTreeCtrl::GetViewStart(& x1, & y1);
	150	* x = x1; * y = y1;
	151	if (!scrolledWindow)
	152	return;
	153
	154	scrolledWindow->GetViewStart(& x2, & y2);
	155	* y = y2;
	156	}
	157	else
6495f2dd	158	#endif
12d9e308 VS	159	{
	160	// x is wrong since the horizontal scrollbar is controlled by the
	161	// tree control, but we probably don't need it.
	162	scrolledWindow->GetViewStart(x, y);
	163	}
	164	}
	165
	166	// In case we're using the generic tree control.
	167	void wxRemotelyScrolledTreeCtrl::PrepareDC(wxDC& dc)
	168	{
6495f2dd	169	#if USE_GENERIC_TREECTRL \|\| !defined(__WXMSW__)
12d9e308 VS	170	if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
	171	{
	172	wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	173
	174	wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
	175
	176	int startX, startY;
	177	GetViewStart(& startX, & startY);
	178
	179	int xppu1, yppu1, xppu2, yppu2;
	180	win->wxGenericTreeCtrl::GetScrollPixelsPerUnit(& xppu1, & yppu1);
	181	scrolledWindow->GetScrollPixelsPerUnit(& xppu2, & yppu2);
	182
	183	dc.SetDeviceOrigin( -startX * xppu1, -startY * yppu2 );
6495f2dd	184	// dc.SetUserScale( win->GetScaleX(), win->GetScaleY() );
12d9e308	185	}
6495f2dd	186	#endif
12d9e308 VS	187	}
	188
	189	// Scroll to the given line (in scroll units where each unit is
	190	// the height of an item)
	191	void wxRemotelyScrolledTreeCtrl::ScrollToLine(int posHoriz, int posVert)
	192	{
	193	#ifdef __WXMSW__
6495f2dd	194	#if USE_GENERIC_TREECTRL
12d9e308	195	if (!IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
6495f2dd	196	#endif
12d9e308 VS	197	{
	198	UINT sbCode = SB_THUMBPOSITION;
	199	HWND vertScrollBar = 0;
	200	MSWDefWindowProc((WXUINT) WM_VSCROLL, MAKELONG(sbCode, posVert), (WXHWND) vertScrollBar);
	201	}
6495f2dd	202	#if USE_GENERIC_TREECTRL
12d9e308 VS	203	else
12d9e308 VS	204	#endif
6495f2dd JS	205	#endif
6495f2dd JS	206	#if USE_GENERIC_TREECTRL \|\| !defined(__WXMSW__)
12d9e308 VS	207	{
	208	wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
	209	win->Refresh();
	210	/* Doesn't work yet because scrolling is ignored by Scroll
	211	int xppu, yppu;
	212	wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	213	if (scrolledWindow)
	214	{
	215	scrolledWindow->GetScrollPixelsPerUnit(& xppu, & yppu);
	216	win->Scroll(-1, posVert*yppu);
	217	}
	218	*/
	219	}
6495f2dd	220	#endif
12d9e308 VS	221	}
	222
	223	void wxRemotelyScrolledTreeCtrl::OnSize(wxSizeEvent& event)
	224	{
	225	HideVScrollbar();
	226	AdjustRemoteScrollbars();
	227	event.Skip();
	228	}
	229
	230	void wxRemotelyScrolledTreeCtrl::OnExpand(wxTreeEvent& event)
	231	{
	232	AdjustRemoteScrollbars();
	233	event.Skip();
	234
	235	// If we don't have this, we get some bits of lines still remaining
	236	if (event.GetEventType() == wxEVT_COMMAND_TREE_ITEM_COLLAPSED)
	237	Refresh();
	238
	239	// Pass on the event
	240	if (m_companionWindow)
	241	m_companionWindow->GetEventHandler()->ProcessEvent(event);
	242	}
	243
	244	// Adjust the containing wxScrolledWindow's scrollbars appropriately
	245	void wxRemotelyScrolledTreeCtrl::AdjustRemoteScrollbars()
	246	{
6495f2dd	247	#if USE_GENERIC_TREECTRL \|\| !defined(__WXMSW__)
12d9e308 VS	248	if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
	249	{
	250	// This is for the generic tree control.
	251	// It calls SetScrollbars which has been overridden
	252	// to adjust the parent scrolled window vertical
	253	// scrollbar.
	254	((wxGenericTreeCtrl*) this)->AdjustMyScrollbars();
	255	return;
	256	}
	257	else
6495f2dd	258	#endif
12d9e308 VS	259	{
	260	// This is for the wxMSW tree control
	261	wxScrolledWindow* scrolledWindow = GetScrolledWindow();
	262	if (scrolledWindow)
	263	{
	264	wxRect itemRect;
	265	if (GetBoundingRect(GetRootItem(), itemRect))
	266	{
6495f2dd JS	267	// Actually, the real height seems to be 1 less than reported
	268	// (e.g. 16 instead of 16)
	269	int itemHeight = itemRect.GetHeight() - 1;
12d9e308 VS	270
	271	int w, h;
	272	GetClientSize(&w, &h);
	273
	274	wxRect rect(0, 0, 0, 0);
	275	CalcTreeSize(rect);
6495f2dd JS	276
	277	double f = ((double) (rect.GetHeight()) / (double) itemHeight) ;
	278	int treeViewHeight = (int) ceil(f);
12d9e308 VS	279
	280	int scrollPixelsPerLine = itemHeight;
	281	int scrollPos = - (itemRect.y / itemHeight);
	282
	283	scrolledWindow->SetScrollbars(0, scrollPixelsPerLine, 0, treeViewHeight, 0, scrollPos);
	284
	285	// Ensure that when a scrollbar becomes hidden or visible,
	286	// the contained window sizes are right.
	287	// Problem: this is called too early (?)
	288	wxSizeEvent event(scrolledWindow->GetSize(), scrolledWindow->GetId());
	289	scrolledWindow->GetEventHandler()->ProcessEvent(event);
	290	}
	291	}
	292	}
	293	}
	294
	295
	296	// Calculate the area that contains both rectangles
	297	static wxRect CombineRectangles(const wxRect& rect1, const wxRect& rect2)
	298	{
	299	wxRect rect;
	300
	301	int right1 = rect1.GetRight();
	302	int bottom1 = rect1.GetBottom();
	303	int right2 = rect2.GetRight();
	304	int bottom2 = rect2.GetBottom();
	305
	306	wxPoint topLeft = wxPoint(wxMin(rect1.x, rect2.x), wxMin(rect1.y, rect2.y));
	307	wxPoint bottomRight = wxPoint(wxMax(right1, right2), wxMax(bottom1, bottom2));
	308
	309	rect.x = topLeft.x; rect.y = topLeft.y;
	310	rect.SetRight(bottomRight.x);
	311	rect.SetBottom(bottomRight.y);
	312
	313	return rect;
	314	}
	315
	316
	317	// Calculate the tree overall size so we can set the scrollbar
	318	// correctly
	319	void wxRemotelyScrolledTreeCtrl::CalcTreeSize(wxRect& rect)
	320	{
	321	CalcTreeSize(GetRootItem(), rect);
	322	}
	323
	324	void wxRemotelyScrolledTreeCtrl::CalcTreeSize(const wxTreeItemId& id, wxRect& rect)
	325	{
12d9e308 VS	326	// More efficient implementation would be to find the last item (but how?)
	327	// Q: is the bounding rect relative to the top of the virtual tree workspace
	328	// or the top of the window? How would we convert?
	329	wxRect itemSize;
	330	if (GetBoundingRect(id, itemSize))
	331	{
	332	rect = CombineRectangles(rect, itemSize);
	333	}
	334
	335	long cookie;
	336	wxTreeItemId childId = GetFirstChild(id, cookie);
	337	while (childId != 0)
	338	{
	339	CalcTreeSize(childId, rect);
	340	childId = GetNextChild(childId, cookie);
	341	}
	342	}
	343
	344	// Find the scrolled window that contains this control
	345	wxScrolledWindow* wxRemotelyScrolledTreeCtrl::GetScrolledWindow() const
	346	{
	347	wxWindow* parent = wxWindow::GetParent();
	348	while (parent)
	349	{
	350	if (parent->IsKindOf(CLASSINFO(wxScrolledWindow)))
	351	return (wxScrolledWindow*) parent;
	352	parent = parent->GetParent();
	353	}
	354	return NULL;
	355	}
	356
	357	void wxRemotelyScrolledTreeCtrl::OnScroll(wxScrollWinEvent& event)
	358	{
	359	int orient = event.GetOrientation();
	360	if (orient == wxHORIZONTAL)
	361	{
	362	event.Skip();
	363	return;
	364	}
	365	wxScrolledWindow* scrollWin = GetScrolledWindow();
	366	if (!scrollWin)
	367	return;
	368
	369	int x, y;
	370	scrollWin->GetViewStart(& x, & y);
	371
	372	ScrollToLine(-1, y);
	373	}
	374
	375	/*
	376	* wxTreeCompanionWindow
	377	*
	378	* A window displaying values associated with tree control items.
	379	*/
	380
	381	IMPLEMENT_CLASS(wxTreeCompanionWindow, wxWindow)
	382
	383	BEGIN_EVENT_TABLE(wxTreeCompanionWindow, wxWindow)
	384	EVT_PAINT(wxTreeCompanionWindow::OnPaint)
	385	EVT_SCROLLWIN(wxTreeCompanionWindow::OnScroll)
	386	EVT_TREE_ITEM_EXPANDED(-1, wxTreeCompanionWindow::OnExpand)
	387	EVT_TREE_ITEM_COLLAPSED(-1, wxTreeCompanionWindow::OnExpand)
	388	END_EVENT_TABLE()
	389
390	wxTreeCompanionWindow::wxTreeCompanionWindow(wxWindow* parent, wxWindowID id,
391	const wxPoint& pos,
392	const wxSize& sz,
393	long style):
394	wxWindow(parent, id, pos, sz, style)
395	{
396	m_treeCtrl = NULL;
397	}
398
399	void wxTreeCompanionWindow::DrawItem(wxDC& dc, wxTreeItemId id, const wxRect& rect)
400	{
401	// TEST CODE
402	#if 1
403	if (m_treeCtrl)
404	{
405	wxString text = m_treeCtrl->GetItemText(id);
406	dc.SetTextForeground(* wxBLACK);
407	dc.SetBackgroundMode(wxTRANSPARENT);
408
409	int textW, textH;
410	dc.GetTextExtent(text, & textW, & textH);
411
412	int x = 5;
413	int y = rect.GetY() + wxMax(0, (rect.GetHeight() - textH) / 2);
414
415	dc.DrawText(text, x, y);
416	}
417	#endif
418	}
419
420	void wxTreeCompanionWindow::OnPaint(wxPaintEvent& event)
421	{
422	wxPaintDC dc(this);
423
424	if (!m_treeCtrl)
425	return;
426
e1c6c6ae	427	wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
12d9e308 VS	428	dc.SetPen(pen);
12d9e308 VS	429	dc.SetBrush(* wxTRANSPARENT_BRUSH);
e1c6c6ae	430	wxFont font(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
12d9e308 VS	431	dc.SetFont(font);
	432
	433	wxSize clientSize = GetClientSize();
	434	wxRect itemRect;
	435	int cy=0;
	436	wxTreeItemId h, lastH;
	437	for(h=m_treeCtrl->GetFirstVisibleItem();h;h=m_treeCtrl->GetNextVisible(h))
	438	{
	439	if (m_treeCtrl->GetBoundingRect(h, itemRect))
	440	{
	441	cy = itemRect.GetTop();
	442	wxRect drawItemRect(0, cy, clientSize.x, itemRect.GetHeight());
	443
	444	lastH = h;
	445
	446	// Draw the actual item
	447	DrawItem(dc, h, drawItemRect);
	448	dc.DrawLine(0, cy, clientSize.x, cy);
	449	}
	450	}
	451	if (lastH.IsOk() && m_treeCtrl->GetBoundingRect(lastH, itemRect))
	452	{
	453	cy = itemRect.GetBottom();
	454	dc.DrawLine(0, cy, clientSize.x, cy);
	455	}
	456	}
	457
	458	void wxTreeCompanionWindow::OnScroll(wxScrollWinEvent& event)
	459	{
	460	int orient = event.GetOrientation();
	461	if (orient == wxHORIZONTAL)
	462	{
	463	event.Skip();
	464	return;
	465	}
	466	if (!m_treeCtrl)
	467	return;
	468
	469	// TODO: scroll the window physically instead of just refreshing.
	470	Refresh(TRUE);
	471	}
	472
	473	void wxTreeCompanionWindow::OnExpand(wxTreeEvent& event)
	474	{
	475	// TODO: something more optimized than simply refresh the whole
	476	// window when the tree is expanded/collapsed. Tricky.
	477	Refresh();
	478	}
	479
	480	/*
	481	* wxThinSplitterWindow
	482	*/
	483
	484	IMPLEMENT_CLASS(wxThinSplitterWindow, wxSplitterWindow)
	485
	486	BEGIN_EVENT_TABLE(wxThinSplitterWindow, wxSplitterWindow)
	487	EVT_SIZE(wxThinSplitterWindow::OnSize)
	488	END_EVENT_TABLE()
	489
	490	wxThinSplitterWindow::wxThinSplitterWindow(wxWindow* parent, wxWindowID id,
	491	const wxPoint& pos,
	492	const wxSize& sz,
	493	long style):
	494	wxSplitterWindow(parent, id, pos, sz, style)
495	{
496	}
497
498	void wxThinSplitterWindow::SizeWindows()
499	{
500	// The client size may have changed inbetween
501	// the sizing of the first window and the sizing of
502	// the second. So repeat SizeWindows.
503	wxSplitterWindow::SizeWindows();
504	wxSplitterWindow::SizeWindows();
505	}
506
507	// Tests for x, y over sash
508	bool wxThinSplitterWindow::SashHitTest(int x, int y, int tolerance)
509	{
510	return wxSplitterWindow::SashHitTest(x, y, 4);
511	}
512
513	void wxThinSplitterWindow::DrawSash(wxDC& dc)
514	{
515	if ( m_sashPosition == 0 \|\| !m_windowTwo)
516	return;
517	if (GetWindowStyle() & wxSP_NOSASH)
518	return;
519
520	int w, h;
521	GetClientSize(&w, &h);
522
523	if ( m_splitMode == wxSPLIT_VERTICAL )
524	{
525	dc.SetPen(* m_facePen);
526	dc.SetBrush(* m_faceBrush);
527	int h1 = h-1;
528	int y1 = 0;
529	if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER && (GetWindowStyleFlag() & wxSP_3DBORDER) != wxSP_3DBORDER )
530	h1 += 1; // Not sure why this is necessary...
531	if ( (GetWindowStyleFlag() & wxSP_3DBORDER) == wxSP_3DBORDER)
532	{
533	y1 = 2; h1 -= 3;
534	}
535	dc.DrawRectangle(m_sashPosition, y1, m_sashSize, h1);
536	}
537	else
538	{
539	dc.SetPen(* m_facePen);
540	dc.SetBrush(* m_faceBrush);
541	int w1 = w-1;
542	int x1 = 0;
543	if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER && (GetWindowStyleFlag() & wxSP_3DBORDER) != wxSP_3DBORDER )
544	w1 ++;
545	if ( (GetWindowStyleFlag() & wxSP_3DBORDER) == wxSP_3DBORDER)
546	{
547	x1 = 2; w1 -= 3;
548	}
549	dc.DrawRectangle(x1, m_sashPosition, w1, m_sashSize);
550	}
551
552	dc.SetPen(wxNullPen);
553	dc.SetBrush(wxNullBrush);
554	}
555
556	void wxThinSplitterWindow::OnSize(wxSizeEvent& event)
557	{
558	wxSplitterWindow::OnSize(event);
559	}
560
561	/*
562	* wxSplitterScrolledWindow
563	*/
564
565	IMPLEMENT_CLASS(wxSplitterScrolledWindow, wxScrolledWindow)
566
567	BEGIN_EVENT_TABLE(wxSplitterScrolledWindow, wxScrolledWindow)
568	EVT_SCROLLWIN(wxSplitterScrolledWindow::OnScroll)
569	EVT_SIZE(wxSplitterScrolledWindow::OnSize)
570	END_EVENT_TABLE()
571
572	wxSplitterScrolledWindow::wxSplitterScrolledWindow(wxWindow* parent, wxWindowID id,
573	const wxPoint& pos,
574	const wxSize& sz,
575	long style):
576	wxScrolledWindow(parent, id, pos, sz, style)
577	{
578	}
579
580	void wxSplitterScrolledWindow::OnSize(wxSizeEvent& event)
581	{
582	wxSize sz = GetClientSize();
583	if (GetChildren().First())
584	{
585	((wxWindow*) GetChildren().First()->Data())->SetSize(0, 0, sz.x, sz.y);
586	}
587	}
588
589	void wxSplitterScrolledWindow::OnScroll(wxScrollWinEvent& event)
590	{
591	// Ensure that events being propagated back up the window hierarchy
592	// don't cause an infinite loop
593	static bool inOnScroll = FALSE;
594	if (inOnScroll)
6495f2dd JS	595	{
6495f2dd JS	596	event.Skip();
12d9e308	597	return;
6495f2dd	598	}
12d9e308	599	inOnScroll = TRUE;
6495f2dd	600
12d9e308 VS	601	int orient = event.GetOrientation();
12d9e308 VS	602
6495f2dd	603	int nScrollInc = CalcScrollInc(event);
12d9e308 VS	604	if (nScrollInc == 0)
	605	{
	606	inOnScroll = FALSE;
	607	return;
	608	}
	609
	610	if (orient == wxHORIZONTAL)
	611	{
	612	inOnScroll = FALSE;
	613	event.Skip();
	614	return;
	615	#if 0
	616	int newPos = m_xScrollPosition + nScrollInc;
	617	SetScrollPos(wxHORIZONTAL, newPos, TRUE );
	618	#endif
	619	}
	620	else
	621	{
	622	int newPos = m_yScrollPosition + nScrollInc;
	623	SetScrollPos(wxVERTICAL, newPos, TRUE );
	624	}
	625
	626	if (orient == wxHORIZONTAL)
	627	{
	628	m_xScrollPosition += nScrollInc;
	629	}
	630	else
	631	{
	632	m_yScrollPosition += nScrollInc;
	633	}
	634
	635	// Find targets in splitter window and send the event to them
	636	wxNode* node = GetChildren().First();
	637	while (node)
	638	{
	639	wxWindow* child = (wxWindow*) node->Data();
	640	if (child->IsKindOf(CLASSINFO(wxSplitterWindow)))
	641	{
	642	wxSplitterWindow* splitter = (wxSplitterWindow*) child;
	643	if (splitter->GetWindow1())
	644	splitter->GetWindow1()->ProcessEvent(event);
	645	if (splitter->GetWindow2())
	646	splitter->GetWindow2()->ProcessEvent(event);
	647	break;
	648	}
	649	node = node->Next();
	650	}
	651
	652	#ifdef __WXMAC__
	653	m_targetWindow->MacUpdateImmediately() ;
	654	#endif
	655
	656	inOnScroll = FALSE;
	657	}
	658