src/generic/laywin.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/generic/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
/////////////////////////////////////////////////////////////////////////////

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

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

#include "wx/laywin.h"
#include "wx/mdi.h"


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

wxDEFINE_EVENT( wxEVT_QUERY_LAYOUT_INFO, wxQueryLayoutInfoEvent );
wxDEFINE_EVENT( wxEVT_CALCULATE_LAYOUT, wxCalculateLayoutEvent );


// ----------------------------------------------------------------------------
// wxSashLayoutWindow
// ----------------------------------------------------------------------------

#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;
#ifdef __WXMAC__
    MacSetClipChildren( true ) ;
#endif
}

// 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 sz2 = 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 || sz2.x != thisRect.width || sz2.y != thisRect.height) &&
            (GetSashVisible(wxSASH_TOP) || GetSashVisible(wxSASH_RIGHT) || GetSashVisible(wxSASH_BOTTOM) || GetSashVisible(wxSASH_LEFT)))
            Refresh(true);

    }

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


// ----------------------------------------------------------------------------
// wxLayoutAlgorithm
// ----------------------------------------------------------------------------

#if wxUSE_MDI_ARCHITECTURE

// 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);

    wxWindowList::compatibility_iterator node = frame->GetChildren().GetFirst();
    while (node)
    {
        wxWindow* win = node->GetData();

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

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

        node = node->GetNext();
    }

    wxWindow* clientWindow = frame->GetClientWindow();

    rect = event.GetRect();

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

    return true;
}

#endif // wxUSE_MDI_ARCHITECTURE

bool wxLayoutAlgorithm::LayoutFrame(wxFrame* frame, wxWindow* mainWindow)
{
    return LayoutWindow(frame, mainWindow);
}

// 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;
    wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();

    while (node)
    {
        wxWindow* win = node->GetData();

        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->GetNext();
    }

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

        // 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->GetNext();
    }

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

    event.SetRect(rect);

    node = parent->GetChildren().GetFirst();
    while (node)
    {
        wxWindow* win = node->GetData();

        // 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->GetNext();
    }

    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: src/generic/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	// For compilers that support precompilation, includes "wx/wx.h".
	16	#include "wx/wxprec.h"
	17
	18	#ifdef __BORLANDC__
	19	#pragma hdrstop
	20	#endif
	21
	22	#ifndef WX_PRECOMP
	23	#include "wx/frame.h"
	24	#endif
	25
	26	#include "wx/laywin.h"
	27	#include "wx/mdi.h"
	28
	29
	30	IMPLEMENT_DYNAMIC_CLASS(wxQueryLayoutInfoEvent, wxEvent)
	31	IMPLEMENT_DYNAMIC_CLASS(wxCalculateLayoutEvent, wxEvent)
	32
	33	wxDEFINE_EVENT( wxEVT_QUERY_LAYOUT_INFO, wxQueryLayoutInfoEvent );
	34	wxDEFINE_EVENT( wxEVT_CALCULATE_LAYOUT, wxCalculateLayoutEvent );
	35
	36
	37	// ----------------------------------------------------------------------------
	38	// wxSashLayoutWindow
	39	// ----------------------------------------------------------------------------
	40
	41	#if wxUSE_SASH
	42	IMPLEMENT_CLASS(wxSashLayoutWindow, wxSashWindow)
	43	BEGIN_EVENT_TABLE(wxSashLayoutWindow, wxSashWindow)
	44	EVT_CALCULATE_LAYOUT(wxSashLayoutWindow::OnCalculateLayout)
	45	EVT_QUERY_LAYOUT_INFO(wxSashLayoutWindow::OnQueryLayoutInfo)
	46	END_EVENT_TABLE()
	47
	48	bool wxSashLayoutWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos,
	49	const wxSize& size, long style, const wxString& name)
	50	{
	51	return wxSashWindow::Create(parent, id, pos, size, style, name);
	52	}
	53
	54	void wxSashLayoutWindow::Init()
	55	{
	56	m_orientation = wxLAYOUT_HORIZONTAL;
	57	m_alignment = wxLAYOUT_TOP;
	58	#ifdef __WXMAC__
	59	MacSetClipChildren( true ) ;
	60	#endif
	61	}
	62
	63	// This is the function that wxLayoutAlgorithm calls to ascertain the window
	64	// dimensions.
	65	void wxSashLayoutWindow::OnQueryLayoutInfo(wxQueryLayoutInfoEvent& event)
	66	{
	67	// int flags = event.GetFlags();
	68	int requestedLength = event.GetRequestedLength();
	69
	70	event.SetOrientation(m_orientation);
	71	event.SetAlignment(m_alignment);
	72
	73	if (m_orientation == wxLAYOUT_HORIZONTAL)
	74	event.SetSize(wxSize(requestedLength, m_defaultSize.y));
	75	else
	76	event.SetSize(wxSize(m_defaultSize.x, requestedLength));
	77	}
	78
	79	// Called by parent to allow window to take a bit out of the
	80	// client rectangle, and size itself if not in wxLAYOUT_QUERY mode.
	81
	82	void wxSashLayoutWindow::OnCalculateLayout(wxCalculateLayoutEvent& event)
	83	{
	84	wxRect clientSize(event.GetRect());
	85
	86	int flags = event.GetFlags();
	87
	88	if (!IsShown())
	89	return;
	90
	91	// Let's assume that all windows stretch the full extent of the window in
	92	// the direction of that window orientation. This will work for non-docking toolbars,
	93	// and the status bar. Note that the windows have to have been created in a certain
	94	// order to work, else you might get a left-aligned window going to the bottom
	95	// of the window, and the status bar appearing to the right of it. The
	96	// status bar would have to be created after or before the toolbar(s).
	97
	98	wxRect thisRect;
	99
	100	// Try to stretch
	101	int length = (GetOrientation() == wxLAYOUT_HORIZONTAL) ? clientSize.width : clientSize.height;
	102	wxLayoutOrientation orient = GetOrientation();
	103
	104	// We assume that a window that says it's horizontal, wants to be stretched in that
	105	// direction. Is this distinction too fine? Do we assume that any horizontal
	106	// window needs to be stretched in that direction? Possibly.
	107	int whichDimension = (GetOrientation() == wxLAYOUT_HORIZONTAL) ? wxLAYOUT_LENGTH_X : wxLAYOUT_LENGTH_Y;
	108
	109	wxQueryLayoutInfoEvent infoEvent(GetId());
	110	infoEvent.SetEventObject(this);
	111	infoEvent.SetRequestedLength(length);
	112	infoEvent.SetFlags(orient \| whichDimension);
	113
	114	if (!GetEventHandler()->ProcessEvent(infoEvent))
	115	return;
	116
	117	wxSize sz = infoEvent.GetSize();
	118
	119	if (sz.x == 0 && sz.y == 0) // Assume it's invisible
	120	return;
	121
	122	// Now we know the size it wants to be. We wish to decide where to place it, i.e.
	123	// how it's aligned.
	124	switch (GetAlignment())
	125	{
	126	case wxLAYOUT_TOP:
	127	{
	128	thisRect.x = clientSize.x; thisRect.y = clientSize.y;
	129	thisRect.width = sz.x; thisRect.height = sz.y;
	130	clientSize.y += thisRect.height;
	131	clientSize.height -= thisRect.height;
	132	break;
	133	}
	134	case wxLAYOUT_LEFT:
	135	{
	136	thisRect.x = clientSize.x; thisRect.y = clientSize.y;
	137	thisRect.width = sz.x; thisRect.height = sz.y;
	138	clientSize.x += thisRect.width;
	139	clientSize.width -= thisRect.width;
	140	break;
	141	}
	142	case wxLAYOUT_RIGHT:
	143	{
	144	thisRect.x = clientSize.x + (clientSize.width - sz.x); thisRect.y = clientSize.y;
	145	thisRect.width = sz.x; thisRect.height = sz.y;
	146	clientSize.width -= thisRect.width;
	147	break;
	148	}
	149	case wxLAYOUT_BOTTOM:
	150	{
	151	thisRect.x = clientSize.x; thisRect.y = clientSize.y + (clientSize.height - sz.y);
	152	thisRect.width = sz.x; thisRect.height = sz.y;
	153	clientSize.height -= thisRect.height;
	154	break;
	155	}
	156	case wxLAYOUT_NONE:
	157	{
	158	break;
	159	}
	160
	161	}
	162
	163	if ((flags & wxLAYOUT_QUERY) == 0)
	164	{
	165	// If not in query mode, resize the window.
	166	// TODO: add wxRect& form to wxWindow::SetSize
	167	wxSize sz2 = GetSize();
	168	wxPoint pos = GetPosition();
	169	SetSize(thisRect.x, thisRect.y, thisRect.width, thisRect.height);
	170
	171	// Make sure the sash is erased when the window is resized
	172	if ((pos.x != thisRect.x \|\| pos.y != thisRect.y \|\| sz2.x != thisRect.width \|\| sz2.y != thisRect.height) &&
	173	(GetSashVisible(wxSASH_TOP) \|\| GetSashVisible(wxSASH_RIGHT) \|\| GetSashVisible(wxSASH_BOTTOM) \|\| GetSashVisible(wxSASH_LEFT)))
	174	Refresh(true);
	175
	176	}
	177
	178	event.SetRect(clientSize);
	179	}
	180	#endif // wxUSE_SASH
	181
	182
	183	// ----------------------------------------------------------------------------
	184	// wxLayoutAlgorithm
	185	// ----------------------------------------------------------------------------
	186
	187	#if wxUSE_MDI_ARCHITECTURE
	188
	189	// Lays out windows for an MDI frame. The MDI client area gets what's left
	190	// over.
	191	bool wxLayoutAlgorithm::LayoutMDIFrame(wxMDIParentFrame* frame, wxRect* r)
	192	{
	193	int cw, ch;
	194	frame->GetClientSize(& cw, & ch);
	195
	196	wxRect rect(0, 0, cw, ch);
	197	if (r)
	198	rect = * r;
	199
	200	wxCalculateLayoutEvent event;
	201	event.SetRect(rect);
	202
	203	wxWindowList::compatibility_iterator node = frame->GetChildren().GetFirst();
	204	while (node)
	205	{
	206	wxWindow* win = node->GetData();
	207
	208	event.SetId(win->GetId());
	209	event.SetEventObject(win);
	210	event.SetFlags(0); // ??
	211
	212	win->GetEventHandler()->ProcessEvent(event);
	213
	214	node = node->GetNext();
	215	}
	216
	217	wxWindow* clientWindow = frame->GetClientWindow();
	218
	219	rect = event.GetRect();
	220
	221	clientWindow->SetSize(rect.x, rect.y, rect.width, rect.height);
	222
	223	return true;
	224	}
	225
	226	#endif // wxUSE_MDI_ARCHITECTURE
	227
	228	bool wxLayoutAlgorithm::LayoutFrame(wxFrame* frame, wxWindow* mainWindow)
	229	{
	230	return LayoutWindow(frame, mainWindow);
	231	}
	232
	233	// Layout algorithm for any window. mainWindow gets what's left over.
	234	bool wxLayoutAlgorithm::LayoutWindow(wxWindow* parent, wxWindow* mainWindow)
	235	{
	236	// Test if the parent is a sash window, and if so,
	237	// reduce the available space to allow space for any active edges.
	238
	239	int leftMargin = 0, rightMargin = 0, topMargin = 0, bottomMargin = 0;
	240	#if wxUSE_SASH
	241	if (parent->IsKindOf(CLASSINFO(wxSashWindow)))
	242	{
	243	wxSashWindow* sashWindow = (wxSashWindow*) parent;
	244
	245	leftMargin = sashWindow->GetExtraBorderSize();
	246	rightMargin = sashWindow->GetExtraBorderSize();
	247	topMargin = sashWindow->GetExtraBorderSize();
	248	bottomMargin = sashWindow->GetExtraBorderSize();
	249
	250	if (sashWindow->GetSashVisible(wxSASH_LEFT))
	251	leftMargin += sashWindow->GetDefaultBorderSize();
	252	if (sashWindow->GetSashVisible(wxSASH_RIGHT))
	253	rightMargin += sashWindow->GetDefaultBorderSize();
	254	if (sashWindow->GetSashVisible(wxSASH_TOP))
	255	topMargin += sashWindow->GetDefaultBorderSize();
	256	if (sashWindow->GetSashVisible(wxSASH_BOTTOM))
	257	bottomMargin += sashWindow->GetDefaultBorderSize();
	258	}
	259	#endif // wxUSE_SASH
	260
	261	int cw, ch;
	262	parent->GetClientSize(& cw, & ch);
	263
	264	wxRect rect(leftMargin, topMargin, cw - leftMargin - rightMargin, ch - topMargin - bottomMargin);
	265
	266	wxCalculateLayoutEvent event;
	267	event.SetRect(rect);
	268
	269	// Find the last layout-aware window, so we can make it fill all remaining
	270	// space.
	271	wxWindow *lastAwareWindow = NULL;
	272	wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
	273
	274	while (node)
	275	{
	276	wxWindow* win = node->GetData();
	277
	278	if (win->IsShown())
	279	{
	280	wxCalculateLayoutEvent tempEvent(win->GetId());
	281	tempEvent.SetEventObject(win);
	282	tempEvent.SetFlags(wxLAYOUT_QUERY);
	283	tempEvent.SetRect(event.GetRect());
	284	if (win->GetEventHandler()->ProcessEvent(tempEvent))
	285	lastAwareWindow = win;
	286	}
	287
	288	node = node->GetNext();
	289	}
	290
	291	// Now do a dummy run to see if we have any space left for the final window (fail if not)
	292	node = parent->GetChildren().GetFirst();
	293	while (node)
	294	{
	295	wxWindow* win = node->GetData();
	296
	297	// If mainWindow is NULL and we're at the last window,
	298	// skip this, because we'll simply make it fit the remaining space.
	299	if (win->IsShown() && (win != mainWindow) && (mainWindow != NULL \|\| win != lastAwareWindow))
	300	{
	301	event.SetId(win->GetId());
	302	event.SetEventObject(win);
	303	event.SetFlags(wxLAYOUT_QUERY);
	304
	305	win->GetEventHandler()->ProcessEvent(event);
	306	}
	307
	308	node = node->GetNext();
	309	}
	310
	311	if (event.GetRect().GetWidth() < 0 \|\| event.GetRect().GetHeight() < 0)
	312	return false;
	313
	314	event.SetRect(rect);
	315
	316	node = parent->GetChildren().GetFirst();
	317	while (node)
	318	{
	319	wxWindow* win = node->GetData();
	320
	321	// If mainWindow is NULL and we're at the last window,
	322	// skip this, because we'll simply make it fit the remaining space.
	323	if (win->IsShown() && (win != mainWindow) && (mainWindow != NULL \|\| win != lastAwareWindow))
	324	{
	325	event.SetId(win->GetId());
	326	event.SetEventObject(win);
	327	event.SetFlags(0); // ??
	328
	329	win->GetEventHandler()->ProcessEvent(event);
	330	}
	331
	332	node = node->GetNext();
	333	}
	334
	335	rect = event.GetRect();
	336
	337	if (mainWindow)
	338	mainWindow->SetSize(rect.x, rect.y, wxMax(0, rect.width), wxMax(0, rect.height));
	339	else if (lastAwareWindow)
	340	{
	341	// Fit the remaining space
	342	lastAwareWindow->SetSize(rect.x, rect.y, wxMax(0, rect.width), wxMax(0, rect.height));
	343	}
	344
	345	return true;
	346	}
	347