src/generic/laywin.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        laywin.cpp
// Purpose:     Implements a simple layout algorithm, plus
//              wxSashLayoutWindow which is an example of a window with
//              layout-awareness (via event handlers). This is suited to
//              IDE-style window layout.
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "laywin.h"
#endif

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include "wx/wx.h"
#include "wx/mdi.h"
#endif

#include "wx/laywin.h"

IMPLEMENT_DYNAMIC_CLASS(wxQueryLayoutInfoEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxCalculateLayoutEvent, wxEvent)

DEFINE_EVENT_TYPE(wxEVT_QUERY_LAYOUT_INFO)
DEFINE_EVENT_TYPE(wxEVT_CALCULATE_LAYOUT)

#if wxUSE_SASH
IMPLEMENT_CLASS(wxSashLayoutWindow, wxSashWindow)

BEGIN_EVENT_TABLE(wxSashLayoutWindow, wxSashWindow)
    EVT_CALCULATE_LAYOUT(wxSashLayoutWindow::OnCalculateLayout)
    EVT_QUERY_LAYOUT_INFO(wxSashLayoutWindow::OnQueryLayoutInfo)
END_EVENT_TABLE()

bool wxSashLayoutWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos,
        const wxSize& size, long style, const wxString& name)
{
    return wxSashWindow::Create(parent, id, pos, size, style, name);
}

void wxSashLayoutWindow::Init()
{
    m_orientation = wxLAYOUT_HORIZONTAL;
    m_alignment = wxLAYOUT_TOP;
}

// This is the function that wxLayoutAlgorithm calls to ascertain the window
// dimensions.
void wxSashLayoutWindow::OnQueryLayoutInfo(wxQueryLayoutInfoEvent& event)
{
  //    int flags = event.GetFlags();
    int requestedLength = event.GetRequestedLength();

    event.SetOrientation(m_orientation);
    event.SetAlignment(m_alignment);

    if (m_orientation == wxLAYOUT_HORIZONTAL)
        event.SetSize(wxSize(requestedLength, m_defaultSize.y));
    else
        event.SetSize(wxSize(m_defaultSize.x, requestedLength));
}

// Called by parent to allow window to take a bit out of the
// client rectangle, and size itself if not in wxLAYOUT_QUERY mode.

void wxSashLayoutWindow::OnCalculateLayout(wxCalculateLayoutEvent& event)
{
    wxRect clientSize(event.GetRect());

    int flags = event.GetFlags();

    if (!IsShown())
        return;

    // Let's assume that all windows stretch the full extent of the window in
    // the direction of that window orientation. This will work for non-docking toolbars,
    // and the status bar. Note that the windows have to have been created in a certain
    // order to work, else you might get a left-aligned window going to the bottom
    // of the window, and the status bar appearing to the right of it. The
    // status bar would have to be created after or before the toolbar(s).

    wxRect thisRect;

    // Try to stretch
    int length = (GetOrientation() == wxLAYOUT_HORIZONTAL) ? clientSize.width : clientSize.height;
    wxLayoutOrientation orient = GetOrientation();

    // We assume that a window that says it's horizontal, wants to be stretched in that
    // direction. Is this distinction too fine? Do we assume that any horizontal
    // window needs to be stretched in that direction? Possibly.
    int whichDimension = (GetOrientation() == wxLAYOUT_HORIZONTAL) ? wxLAYOUT_LENGTH_X : wxLAYOUT_LENGTH_Y;

    wxQueryLayoutInfoEvent infoEvent(GetId());
    infoEvent.SetEventObject(this);
    infoEvent.SetRequestedLength(length);
    infoEvent.SetFlags(orient | whichDimension);

    if (!GetEventHandler()->ProcessEvent(infoEvent))
        return;

    wxSize sz = infoEvent.GetSize();

    if (sz.x == 0 && sz.y == 0) // Assume it's invisible
        return;

    // Now we know the size it wants to be. We wish to decide where to place it, i.e.
    // how it's aligned.
    switch (GetAlignment())
    {
        case wxLAYOUT_TOP:
        {
            thisRect.x = clientSize.x; thisRect.y = clientSize.y;
            thisRect.width = sz.x; thisRect.height = sz.y;
            clientSize.y += thisRect.height;
            clientSize.height -= thisRect.height;
            break;
        }
        case wxLAYOUT_LEFT:
        {
            thisRect.x = clientSize.x; thisRect.y = clientSize.y;
            thisRect.width = sz.x; thisRect.height = sz.y;
            clientSize.x += thisRect.width;
            clientSize.width -= thisRect.width;
            break;
        }
        case wxLAYOUT_RIGHT:
        {
            thisRect.x = clientSize.x + (clientSize.width - sz.x); thisRect.y = clientSize.y;
            thisRect.width = sz.x; thisRect.height = sz.y;
            clientSize.width -= thisRect.width;
            break;
        }
        case wxLAYOUT_BOTTOM:
        {
            thisRect.x = clientSize.x; thisRect.y = clientSize.y + (clientSize.height - sz.y);
            thisRect.width = sz.x; thisRect.height = sz.y;
            clientSize.height -= thisRect.height;
            break;
        }
        case wxLAYOUT_NONE:
        {
            break;
        }

    }

    if ((flags & wxLAYOUT_QUERY) == 0)
    {
        // If not in query mode, resize the window.
        // TODO: add wxRect& form to wxWindow::SetSize
        wxSize sz = GetSize();
        wxPoint pos = GetPosition();
        SetSize(thisRect.x, thisRect.y, thisRect.width, thisRect.height);

        // Make sure the sash is erased when the window is resized
        if ((pos.x != thisRect.x || pos.y != thisRect.y || sz.x != thisRect.width || sz.y != thisRect.height) &&
            (GetSashVisible(wxSASH_TOP) || GetSashVisible(wxSASH_RIGHT) || GetSashVisible(wxSASH_BOTTOM) || GetSashVisible(wxSASH_LEFT)))
            Refresh(TRUE);

    }

    event.SetRect(clientSize);
}
#endif // wxUSE_SASH

/*
 * wxLayoutAlgorithm
 */

// Lays out windows for an MDI frame. The MDI client area gets what's left
// over.
bool wxLayoutAlgorithm::LayoutMDIFrame(wxMDIParentFrame* frame, wxRect* r)
{
    int cw, ch;
    frame->GetClientSize(& cw, & ch);

    wxRect rect(0, 0, cw, ch);
    if (r)
        rect = * r;

    wxCalculateLayoutEvent event;
    event.SetRect(rect);

    wxNode* node = frame->GetChildren().First();
    while (node)
    {
        wxWindow* win = (wxWindow*) node->Data();

        event.SetId(win->GetId());
        event.SetEventObject(win);
        event.SetFlags(0); // ??

        win->GetEventHandler()->ProcessEvent(event);

        node = node->Next();
    }

    wxWindow* clientWindow = frame->GetClientWindow();

    rect = event.GetRect();

    clientWindow->SetSize(rect.x, rect.y, rect.width, rect.height);

    return TRUE;
}

// Layout algorithm for any window. mainWindow gets what's left over.
bool wxLayoutAlgorithm::LayoutWindow(wxWindow* parent, wxWindow* mainWindow)
{
    // Test if the parent is a sash window, and if so,
    // reduce the available space to allow space for any active edges.

    int leftMargin = 0, rightMargin = 0, topMargin = 0, bottomMargin = 0;
#if wxUSE_SASH
    if (parent->IsKindOf(CLASSINFO(wxSashWindow)))
    {
        wxSashWindow* sashWindow = (wxSashWindow*) parent;

        leftMargin = sashWindow->GetExtraBorderSize();
        rightMargin = sashWindow->GetExtraBorderSize();
        topMargin = sashWindow->GetExtraBorderSize();
        bottomMargin = sashWindow->GetExtraBorderSize();

        if (sashWindow->GetSashVisible(wxSASH_LEFT))
            leftMargin += sashWindow->GetDefaultBorderSize();
        if (sashWindow->GetSashVisible(wxSASH_RIGHT))
            rightMargin += sashWindow->GetDefaultBorderSize();
        if (sashWindow->GetSashVisible(wxSASH_TOP))
            topMargin += sashWindow->GetDefaultBorderSize();
        if (sashWindow->GetSashVisible(wxSASH_BOTTOM))
            bottomMargin += sashWindow->GetDefaultBorderSize();
    }
#endif // wxUSE_SASH

    int cw, ch;
    parent->GetClientSize(& cw, & ch);

    wxRect rect(leftMargin, topMargin, cw - leftMargin - rightMargin, ch - topMargin - bottomMargin);

    wxCalculateLayoutEvent event;
    event.SetRect(rect);

    // Find the last layout-aware window, so we can make it fill all remaining
    // space.
    wxWindow* lastAwareWindow = NULL;
    wxNode* node = parent->GetChildren().First();
    while (node)
    {
        wxWindow* win = (wxWindow*) node->Data();

        if (win->IsShown())
        {
            wxCalculateLayoutEvent tempEvent(win->GetId());
            tempEvent.SetEventObject(win);
            tempEvent.SetFlags(wxLAYOUT_QUERY);
            tempEvent.SetRect(event.GetRect());
            if (win->GetEventHandler()->ProcessEvent(tempEvent))
                lastAwareWindow = win;
        }

        node = node->Next();
    }

    // Now do a dummy run to see if we have any space left for the final window (fail if not)
    node = parent->GetChildren().First();
    while (node)
    {
        wxWindow* win = (wxWindow*) node->Data();

        // If mainWindow is NULL and we're at the last window,
        // skip this, because we'll simply make it fit the remaining space.
        if (win->IsShown() && (win != mainWindow) && (mainWindow != NULL || win != lastAwareWindow))
        {
            event.SetId(win->GetId());
            event.SetEventObject(win);
            event.SetFlags(wxLAYOUT_QUERY);

            win->GetEventHandler()->ProcessEvent(event);
        }

        node = node->Next();
    }

    if (event.GetRect().GetWidth() < 0 || event.GetRect().GetHeight() < 0)
        return FALSE;

    event.SetRect(rect);

    node = parent->GetChildren().First();
    while (node)
    {
        wxWindow* win = (wxWindow*) node->Data();

        // If mainWindow is NULL and we're at the last window,
        // skip this, because we'll simply make it fit the remaining space.
        if (win->IsShown() && (win != mainWindow) && (mainWindow != NULL || win != lastAwareWindow))
        {
            event.SetId(win->GetId());
            event.SetEventObject(win);
            event.SetFlags(0); // ??

            win->GetEventHandler()->ProcessEvent(event);
        }

        node = node->Next();
    }

    rect = event.GetRect();

    if (mainWindow)
        mainWindow->SetSize(rect.x, rect.y, wxMax(0, rect.width), wxMax(0, rect.height));
    else if (lastAwareWindow)
    {
        // Fit the remaining space
        lastAwareWindow->SetSize(rect.x, rect.y, wxMax(0, rect.width), wxMax(0, rect.height));
    }

    return TRUE;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: laywin.cpp
	3	// Purpose: Implements a simple layout algorithm, plus
	4	// wxSashLayoutWindow which is an example of a window with
	5	// layout-awareness (via event handlers). This is suited to
	6	// IDE-style window layout.
	7	// Author: Julian Smart
	8	// Modified by:
	9	// Created: 04/01/98
	10	// RCS-ID: $Id$
	11	// Copyright: (c) Julian Smart
	12	// Licence: wxWindows licence
	13	/////////////////////////////////////////////////////////////////////////////
	14
	15	#ifdef __GNUG__
	16	#pragma implementation "laywin.h"
	17	#endif
	18
	19	// For compilers that support precompilation, includes "wx/wx.h".
	20	#include "wx/wxprec.h"
	21
	22	#ifdef __BORLANDC__
	23	#pragma hdrstop
	24	#endif
	25
	26	#ifndef WX_PRECOMP
	27	#include "wx/wx.h"
	28	#include "wx/mdi.h"
	29	#endif
	30
	31	#include "wx/laywin.h"
	32
	33	IMPLEMENT_DYNAMIC_CLASS(wxQueryLayoutInfoEvent, wxEvent)
	34	IMPLEMENT_DYNAMIC_CLASS(wxCalculateLayoutEvent, wxEvent)
	35
	36	DEFINE_EVENT_TYPE(wxEVT_QUERY_LAYOUT_INFO)
	37	DEFINE_EVENT_TYPE(wxEVT_CALCULATE_LAYOUT)
	38
	39	#if wxUSE_SASH
	40	IMPLEMENT_CLASS(wxSashLayoutWindow, wxSashWindow)
	41
	42	BEGIN_EVENT_TABLE(wxSashLayoutWindow, wxSashWindow)
	43	EVT_CALCULATE_LAYOUT(wxSashLayoutWindow::OnCalculateLayout)
	44	EVT_QUERY_LAYOUT_INFO(wxSashLayoutWindow::OnQueryLayoutInfo)
	45	END_EVENT_TABLE()
	46
	47	bool wxSashLayoutWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos,
	48	const wxSize& size, long style, const wxString& name)
	49	{
	50	return wxSashWindow::Create(parent, id, pos, size, style, name);
	51	}
	52
	53	void wxSashLayoutWindow::Init()
	54	{
	55	m_orientation = wxLAYOUT_HORIZONTAL;
	56	m_alignment = wxLAYOUT_TOP;
	57	}
	58
	59	// This is the function that wxLayoutAlgorithm calls to ascertain the window
	60	// dimensions.
	61	void wxSashLayoutWindow::OnQueryLayoutInfo(wxQueryLayoutInfoEvent& event)
	62	{
	63	// int flags = event.GetFlags();
	64	int requestedLength = event.GetRequestedLength();
	65
	66	event.SetOrientation(m_orientation);
	67	event.SetAlignment(m_alignment);
	68
	69	if (m_orientation == wxLAYOUT_HORIZONTAL)
	70	event.SetSize(wxSize(requestedLength, m_defaultSize.y));
	71	else
	72	event.SetSize(wxSize(m_defaultSize.x, requestedLength));
	73	}
	74
	75	// Called by parent to allow window to take a bit out of the
	76	// client rectangle, and size itself if not in wxLAYOUT_QUERY mode.
	77
	78	void wxSashLayoutWindow::OnCalculateLayout(wxCalculateLayoutEvent& event)
	79	{
	80	wxRect clientSize(event.GetRect());
	81
	82	int flags = event.GetFlags();
	83
	84	if (!IsShown())
	85	return;
	86
	87	// Let's assume that all windows stretch the full extent of the window in
	88	// the direction of that window orientation. This will work for non-docking toolbars,
	89	// and the status bar. Note that the windows have to have been created in a certain
	90	// order to work, else you might get a left-aligned window going to the bottom
	91	// of the window, and the status bar appearing to the right of it. The
	92	// status bar would have to be created after or before the toolbar(s).
	93
	94	wxRect thisRect;
	95
	96	// Try to stretch
	97	int length = (GetOrientation() == wxLAYOUT_HORIZONTAL) ? clientSize.width : clientSize.height;
	98	wxLayoutOrientation orient = GetOrientation();
	99
	100	// We assume that a window that says it's horizontal, wants to be stretched in that
	101	// direction. Is this distinction too fine? Do we assume that any horizontal
	102	// window needs to be stretched in that direction? Possibly.
	103	int whichDimension = (GetOrientation() == wxLAYOUT_HORIZONTAL) ? wxLAYOUT_LENGTH_X : wxLAYOUT_LENGTH_Y;
	104
	105	wxQueryLayoutInfoEvent infoEvent(GetId());
	106	infoEvent.SetEventObject(this);
	107	infoEvent.SetRequestedLength(length);
	108	infoEvent.SetFlags(orient \| whichDimension);
	109
	110	if (!GetEventHandler()->ProcessEvent(infoEvent))
	111	return;
	112
	113	wxSize sz = infoEvent.GetSize();
	114
	115	if (sz.x == 0 && sz.y == 0) // Assume it's invisible
	116	return;
	117
	118	// Now we know the size it wants to be. We wish to decide where to place it, i.e.
	119	// how it's aligned.
	120	switch (GetAlignment())
	121	{
	122	case wxLAYOUT_TOP:
	123	{
	124	thisRect.x = clientSize.x; thisRect.y = clientSize.y;
	125	thisRect.width = sz.x; thisRect.height = sz.y;
	126	clientSize.y += thisRect.height;
	127	clientSize.height -= thisRect.height;
	128	break;
	129	}
	130	case wxLAYOUT_LEFT:
	131	{
	132	thisRect.x = clientSize.x; thisRect.y = clientSize.y;
	133	thisRect.width = sz.x; thisRect.height = sz.y;
	134	clientSize.x += thisRect.width;
	135	clientSize.width -= thisRect.width;
	136	break;
	137	}
	138	case wxLAYOUT_RIGHT:
	139	{
	140	thisRect.x = clientSize.x + (clientSize.width - sz.x); thisRect.y = clientSize.y;
	141	thisRect.width = sz.x; thisRect.height = sz.y;
	142	clientSize.width -= thisRect.width;
	143	break;
	144	}
	145	case wxLAYOUT_BOTTOM:
	146	{
	147	thisRect.x = clientSize.x; thisRect.y = clientSize.y + (clientSize.height - sz.y);
	148	thisRect.width = sz.x; thisRect.height = sz.y;
	149	clientSize.height -= thisRect.height;
	150	break;
	151	}
	152	case wxLAYOUT_NONE:
	153	{
	154	break;
	155	}
	156
	157	}
	158
	159	if ((flags & wxLAYOUT_QUERY) == 0)
	160	{
	161	// If not in query mode, resize the window.
	162	// TODO: add wxRect& form to wxWindow::SetSize
	163	wxSize sz = GetSize();
	164	wxPoint pos = GetPosition();
	165	SetSize(thisRect.x, thisRect.y, thisRect.width, thisRect.height);
	166
	167	// Make sure the sash is erased when the window is resized
	168	if ((pos.x != thisRect.x \|\| pos.y != thisRect.y \|\| sz.x != thisRect.width \|\| sz.y != thisRect.height) &&
	169	(GetSashVisible(wxSASH_TOP) \|\| GetSashVisible(wxSASH_RIGHT) \|\| GetSashVisible(wxSASH_BOTTOM) \|\| GetSashVisible(wxSASH_LEFT)))
	170	Refresh(TRUE);
	171
	172	}
	173
	174	event.SetRect(clientSize);
	175	}
	176	#endif // wxUSE_SASH
	177
	178	/*
	179	* wxLayoutAlgorithm
	180	*/
	181
	182	// Lays out windows for an MDI frame. The MDI client area gets what's left
	183	// over.
	184	bool wxLayoutAlgorithm::LayoutMDIFrame(wxMDIParentFrame* frame, wxRect* r)
	185	{
	186	int cw, ch;
	187	frame->GetClientSize(& cw, & ch);
	188
	189	wxRect rect(0, 0, cw, ch);
	190	if (r)
	191	rect = * r;
	192
	193	wxCalculateLayoutEvent event;
	194	event.SetRect(rect);
	195
	196	wxNode* node = frame->GetChildren().First();
	197	while (node)
	198	{
	199	wxWindow* win = (wxWindow*) node->Data();
	200
	201	event.SetId(win->GetId());
	202	event.SetEventObject(win);
	203	event.SetFlags(0); // ??
	204
	205	win->GetEventHandler()->ProcessEvent(event);
	206
	207	node = node->Next();
	208	}
	209
	210	wxWindow* clientWindow = frame->GetClientWindow();
	211
	212	rect = event.GetRect();
	213
	214	clientWindow->SetSize(rect.x, rect.y, rect.width, rect.height);
	215
	216	return TRUE;
	217	}
	218
	219	// Layout algorithm for any window. mainWindow gets what's left over.
	220	bool wxLayoutAlgorithm::LayoutWindow(wxWindow* parent, wxWindow* mainWindow)
	221	{
	222	// Test if the parent is a sash window, and if so,
	223	// reduce the available space to allow space for any active edges.
	224
	225	int leftMargin = 0, rightMargin = 0, topMargin = 0, bottomMargin = 0;
	226	#if wxUSE_SASH
	227	if (parent->IsKindOf(CLASSINFO(wxSashWindow)))
	228	{
	229	wxSashWindow* sashWindow = (wxSashWindow*) parent;
	230
	231	leftMargin = sashWindow->GetExtraBorderSize();
	232	rightMargin = sashWindow->GetExtraBorderSize();
	233	topMargin = sashWindow->GetExtraBorderSize();
	234	bottomMargin = sashWindow->GetExtraBorderSize();
	235
	236	if (sashWindow->GetSashVisible(wxSASH_LEFT))
	237	leftMargin += sashWindow->GetDefaultBorderSize();
	238	if (sashWindow->GetSashVisible(wxSASH_RIGHT))
	239	rightMargin += sashWindow->GetDefaultBorderSize();
	240	if (sashWindow->GetSashVisible(wxSASH_TOP))
	241	topMargin += sashWindow->GetDefaultBorderSize();
	242	if (sashWindow->GetSashVisible(wxSASH_BOTTOM))
	243	bottomMargin += sashWindow->GetDefaultBorderSize();
	244	}
	245	#endif // wxUSE_SASH
	246
	247	int cw, ch;
	248	parent->GetClientSize(& cw, & ch);
	249
	250	wxRect rect(leftMargin, topMargin, cw - leftMargin - rightMargin, ch - topMargin - bottomMargin);
	251
	252	wxCalculateLayoutEvent event;
	253	event.SetRect(rect);
	254
	255	// Find the last layout-aware window, so we can make it fill all remaining
	256	// space.
	257	wxWindow* lastAwareWindow = NULL;
	258	wxNode* node = parent->GetChildren().First();
	259	while (node)
	260	{
	261	wxWindow* win = (wxWindow*) node->Data();
	262
	263	if (win->IsShown())
	264	{
	265	wxCalculateLayoutEvent tempEvent(win->GetId());
	266	tempEvent.SetEventObject(win);
	267	tempEvent.SetFlags(wxLAYOUT_QUERY);
	268	tempEvent.SetRect(event.GetRect());
	269	if (win->GetEventHandler()->ProcessEvent(tempEvent))
	270	lastAwareWindow = win;
	271	}
	272
	273	node = node->Next();
	274	}
	275
	276	// Now do a dummy run to see if we have any space left for the final window (fail if not)
	277	node = parent->GetChildren().First();
	278	while (node)
	279	{
	280	wxWindow* win = (wxWindow*) node->Data();
	281
	282	// If mainWindow is NULL and we're at the last window,
	283	// skip this, because we'll simply make it fit the remaining space.
	284	if (win->IsShown() && (win != mainWindow) && (mainWindow != NULL \|\| win != lastAwareWindow))
	285	{
	286	event.SetId(win->GetId());
	287	event.SetEventObject(win);
	288	event.SetFlags(wxLAYOUT_QUERY);
	289
	290	win->GetEventHandler()->ProcessEvent(event);
	291	}
	292
	293	node = node->Next();
	294	}
	295
	296	if (event.GetRect().GetWidth() < 0 \|\| event.GetRect().GetHeight() < 0)
	297	return FALSE;
	298
	299	event.SetRect(rect);
	300
	301	node = parent->GetChildren().First();
	302	while (node)
	303	{
	304	wxWindow* win = (wxWindow*) node->Data();
	305
	306	// If mainWindow is NULL and we're at the last window,
	307	// skip this, because we'll simply make it fit the remaining space.
	308	if (win->IsShown() && (win != mainWindow) && (mainWindow != NULL \|\| win != lastAwareWindow))
	309	{
	310	event.SetId(win->GetId());
	311	event.SetEventObject(win);
	312	event.SetFlags(0); // ??
	313
	314	win->GetEventHandler()->ProcessEvent(event);
	315	}
	316
	317	node = node->Next();
	318	}
	319
	320	rect = event.GetRect();
	321
	322	if (mainWindow)
	323	mainWindow->SetSize(rect.x, rect.y, wxMax(0, rect.width), wxMax(0, rect.height));
	324	else if (lastAwareWindow)
	325	{
	326	// Fit the remaining space
	327	lastAwareWindow->SetSize(rect.x, rect.y, wxMax(0, rect.width), wxMax(0, rect.height));
	328	}
	329
	330	return TRUE;
	331	}
	332