src/motif/mdi.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        mdi.cpp
// Purpose:     MDI classes
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#include "wx/mdi.h"
#include "wx/menu.h"
#include "wx/settings.h"

#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/Xm.h>
#include <Xm/BulletinB.h>
#include <Xm/Form.h>
#include <Xm/MainW.h>
#include <Xm/RowColumn.h>
#include <Xm/CascadeBG.h>
#include <Xm/Text.h>
#include <Xm/PushBG.h>
#include <Xm/AtomMgr.h>
#include <Xm/Protocols.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif

#include "wx/motif/private.h"

extern wxList wxModelessWindows;

// Implemented in frame.cpp
extern void wxFrameFocusProc(Widget workArea, XtPointer clientData,
                             XmAnyCallbackStruct *cbs);

#define wxID_NOTEBOOK_CLIENT_AREA wxID_HIGHEST + 100

IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxNotebook)

BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
    EVT_SIZE(wxMDIParentFrame::OnSize)
    EVT_ACTIVATE(wxMDIParentFrame::OnActivate)
    EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
    EVT_MENU_HIGHLIGHT_ALL(wxMDIParentFrame::OnMenuHighlight)
END_EVENT_TABLE()

BEGIN_EVENT_TABLE(wxMDIClientWindow, wxNotebook)
    EVT_SCROLL(wxMDIClientWindow::OnScroll)
    EVT_NOTEBOOK_PAGE_CHANGED(wxID_NOTEBOOK_CLIENT_AREA, wxMDIClientWindow::OnPageChanged)
END_EVENT_TABLE()


// Parent frame

wxMDIParentFrame::wxMDIParentFrame()
{
    m_clientWindow = (wxMDIClientWindow*) NULL;
    m_activeChild = (wxMDIChildFrame*) NULL;
    m_activeMenuBar = (wxMenuBar*) NULL;
}

bool wxMDIParentFrame::Create(wxWindow *parent,
                              wxWindowID id,
                              const wxString& title,
                              const wxPoint& pos,
                              const wxSize& size,
                              long style,
                              const wxString& name)
{
    m_clientWindow = (wxMDIClientWindow*) NULL;
    m_activeChild = (wxMDIChildFrame*) NULL;
    m_activeMenuBar = (wxMenuBar*) NULL;

    bool success = wxFrame::Create(parent, id, title, pos, size, style, name);
    if (success)
    {
        // TODO: app cannot override OnCreateClient since
        // wxMDIParentFrame::OnCreateClient will still be called
        // (we're in the constructor). How to resolve?

        m_clientWindow = OnCreateClient();

        // Uses own style for client style
        m_clientWindow->CreateClient(this, GetWindowStyleFlag());

        int w, h;
        GetClientSize(& w, & h);
        m_clientWindow->SetSize(0, 0, w, h);
        return TRUE;
    }
    else
        return FALSE;
}

wxMDIParentFrame::~wxMDIParentFrame()
{
    // Make sure we delete the client window last of all
    RemoveChild(m_clientWindow);

    DestroyChildren();

    delete m_clientWindow;
    m_clientWindow = NULL;
}

void wxMDIParentFrame::SetMenuBar(wxMenuBar *menu_bar)
{
    m_frameMenuBar = menu_bar;

    SetChildMenuBar((wxMDIChildFrame*) NULL);
}

void wxMDIParentFrame::OnSize(wxSizeEvent& WXUNUSED(event))
{
#if wxUSE_CONSTRAINTS
    if (GetAutoLayout())
        Layout();
#endif
    int x = 0;
    int y = 0;
    int width, height;
    GetClientSize(&width, &height);

    if ( GetClientWindow() )
        GetClientWindow()->SetSize(x, y, width, height);
}

void wxMDIParentFrame::DoGetClientSize(int *width, int *height) const
{
    wxFrame::DoGetClientSize(width, height);
}

void wxMDIParentFrame::OnActivate(wxActivateEvent& WXUNUSED(event))
{
    // Do nothing
}

// Returns the active MDI child window
wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
{
    return m_activeChild;
}

// Create the client window class (don't Create the window,
// just return a new class)
wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
{
    return new wxMDIClientWindow ;
}

// Set the child's menu into the parent frame
void wxMDIParentFrame::SetChildMenuBar(wxMDIChildFrame* child)
{
    wxMenuBar* oldMenuBar = m_activeMenuBar;

    if (child == (wxMDIChildFrame*) NULL)  // No child: use parent frame
    {
        if (GetMenuBar() && (GetMenuBar() != m_activeMenuBar))
        {
            //            if (m_activeMenuBar)
            //                m_activeMenuBar->DestroyMenuBar();

            m_activeMenuBar = GetMenuBar();
            m_activeMenuBar->CreateMenuBar(this);
            /*
            if (oldMenuBar && XtIsManaged((Widget) oldMenuBar->GetMainWidget()))
            XtUnmanageChild((Widget) oldMenuBar->GetMainWidget());
            */
            if (oldMenuBar && oldMenuBar->GetMainWidget())
                XtUnmapWidget((Widget) oldMenuBar->GetMainWidget());

        }
    }
    else if (child->GetMenuBar() == (wxMenuBar*) NULL) // No child menu bar: use parent frame
    {
        if (GetMenuBar() && (GetMenuBar() != m_activeMenuBar))
        {
            //            if (m_activeMenuBar)
            //                m_activeMenuBar->DestroyMenuBar();
            m_activeMenuBar = GetMenuBar();
            m_activeMenuBar->CreateMenuBar(this);
            /*
            if (oldMenuBar && XtIsManaged((Widget) oldMenuBar->GetMainWidget()))
            XtUnmanageChild((Widget) oldMenuBar->GetMainWidget());
            */
            if (oldMenuBar && oldMenuBar->GetMainWidget())
                XtUnmapWidget((Widget) oldMenuBar->GetMainWidget());
        }
    }
    else // The child has a menubar
    {
        if (child->GetMenuBar() != m_activeMenuBar)
        {
            //            if (m_activeMenuBar)
            //                m_activeMenuBar->DestroyMenuBar();

            m_activeMenuBar = child->GetMenuBar();
            m_activeMenuBar->CreateMenuBar(this);
            /*
            if (oldMenuBar && XtIsManaged((Widget) oldMenuBar->GetMainWidget()))
            XtUnmanageChild((Widget) oldMenuBar->GetMainWidget());
            */
            if (oldMenuBar && oldMenuBar->GetMainWidget())
                XtUnmapWidget((Widget) oldMenuBar->GetMainWidget());
        }
    }
}

// Redirect events to active child first
bool wxMDIParentFrame::ProcessEvent(wxEvent& event)
{
    // Stops the same event being processed repeatedly
    static wxEventType inEvent = wxEVT_NULL;
    if (inEvent == event.GetEventType())
        return FALSE;

    inEvent = event.GetEventType();

    bool res = FALSE;
    if (m_activeChild && event.IsKindOf(CLASSINFO(wxCommandEvent)))
    {
        res = m_activeChild->GetEventHandler()->ProcessEvent(event);
    }

    if (!res)
        res = GetEventHandler()->wxEvtHandler::ProcessEvent(event);

    inEvent = wxEVT_NULL;

    return res;
}

void wxMDIParentFrame::DoSetSize(int x, int y,
                                 int width, int height,
                                 int sizeFlags)
{
    wxWindow::DoSetSize(x, y, width, height, sizeFlags);
}

void wxMDIParentFrame::DoSetClientSize(int width, int height)
{
    wxWindow::DoSetClientSize(width, height);
}

// Responds to colour changes, and passes event on to children.
void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
{
    // TODO

    // Propagate the event to the non-top-level children
    wxFrame::OnSysColourChanged(event);
}

// MDI operations
void wxMDIParentFrame::Cascade()
{
    // TODO
}

void wxMDIParentFrame::Tile()
{
    // TODO
}

void wxMDIParentFrame::ArrangeIcons()
{
    // TODO
}

void wxMDIParentFrame::ActivateNext()
{
    // TODO
}

void wxMDIParentFrame::ActivatePrevious()
{
    // TODO
}

// Default menu selection behaviour - display a help string
void wxMDIParentFrame::OnMenuHighlight(wxMenuEvent& event)
{
    if (GetStatusBar())
    {
        if (event.GetMenuId() == -1)
            SetStatusText("");
        else
        {
            wxMenuBar *menuBar = (wxMenuBar*) NULL;
            if (GetActiveChild())
              menuBar = GetActiveChild()->GetMenuBar();
            else
              menuBar = GetMenuBar();
            if (menuBar)
            {
                wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
                if (helpString != "")
                    SetStatusText(helpString);
            }
        }
    }
}

// Child frame

wxMDIChildFrame::wxMDIChildFrame()
{
    m_mdiParentFrame = (wxMDIParentFrame*) NULL;
}

bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
                             wxWindowID id,
                             const wxString& title,
                             const wxPoint& pos,
                             const wxSize& size,
                             long style,
                             const wxString& name)
{
    SetName(name);
    SetWindowStyleFlag(style);

    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);
    m_foregroundColour = *wxBLACK;
    m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);

    if ( id > -1 )
        m_windowId = id;
    else
        m_windowId = (int)NewControlId();

    wxMDIClientWindow* clientWindow = parent->GetClientWindow();

    wxASSERT_MSG( (clientWindow != (wxWindow*) NULL), "Missing MDI client window.");

    if (clientWindow) clientWindow->AddChild(this);

    SetMDIParentFrame(parent);

    int width = size.x;
    int height = size.y;
    if (width == -1)
        width = 200; // TODO: give reasonable default
    if (height == -1)
        height = 200; // TODO: give reasonable default

    // We're deactivating the old child
    wxMDIChildFrame* oldActiveChild = parent->GetActiveChild();
    if (oldActiveChild)
    {
        wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldActiveChild->GetId());
        event.SetEventObject( oldActiveChild );
        oldActiveChild->GetEventHandler()->ProcessEvent(event);
    }

    // This is the currently active child
    parent->SetActiveChild((wxMDIChildFrame*) this);

    // This time we'll try a bog-standard bulletin board for
    // the 'frame'. A main window doesn't seem to work.

    m_mainWidget = (WXWidget) XtVaCreateWidget("client",
        xmBulletinBoardWidgetClass, (Widget) clientWindow->GetTopWidget(),
        XmNmarginWidth, 0,
        XmNmarginHeight, 0,
        /*
        XmNrightAttachment, XmATTACH_FORM,
        XmNleftAttachment, XmATTACH_FORM,
        XmNtopAttachment, XmATTACH_FORM,
        XmNbottomAttachment, XmATTACH_FORM,
        */
        XmNresizePolicy, XmRESIZE_NONE,
        NULL);

    XtAddEventHandler((Widget) m_mainWidget, ExposureMask,FALSE,
        wxUniversalRepaintProc, (XtPointer) this);

    SetCanAddEventHandler(TRUE);
    AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);

    ChangeBackgroundColour();

    XtManageChild((Widget) m_mainWidget);

    SetTitle(title);

    clientWindow->AddPage(this, title, TRUE);
    clientWindow->Refresh();

    // Positions the toolbar and status bar -- but we don't have any.
    //    PreResize();

    wxModelessWindows.Append(this);
    return TRUE;
}


wxMDIChildFrame::~wxMDIChildFrame()
{
    if (m_mainWidget)
      XtRemoveEventHandler((Widget) m_mainWidget, ExposureMask,FALSE,
        wxUniversalRepaintProc, (XtPointer) this);

    if (GetMDIParentFrame())
    {
        wxMDIParentFrame* parentFrame = GetMDIParentFrame();

        if (parentFrame->GetActiveChild() == this)
            parentFrame->SetActiveChild((wxMDIChildFrame*) NULL);
        wxMDIClientWindow* clientWindow = parentFrame->GetClientWindow();

        // Remove page if still there
        if (clientWindow->RemovePage(this))
            clientWindow->Refresh();

        // Set the selection to the first remaining page
        if (clientWindow->GetPageCount() > 0)
        {
            wxMDIChildFrame* child = (wxMDIChildFrame*)  clientWindow->GetPage(0);
            parentFrame->SetActiveChild(child);
            parentFrame->SetChildMenuBar(child);
        }
        else
        {
            parentFrame->SetActiveChild((wxMDIChildFrame*) NULL);
            parentFrame->SetChildMenuBar((wxMDIChildFrame*) NULL);
        }
    }
}

#if 0
// Implementation: intercept and act upon raise and lower commands.
void wxMDIChildFrame::OnRaise()
{
    wxMDIParentFrame* parentFrame = (wxMDIParentFrame*) GetParent() ;
    wxMDIChildFrame* oldActiveChild = parentFrame->GetActiveChild();
    parentFrame->SetActiveChild(this);

    if (oldActiveChild)
    {
        wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldActiveChild->GetId());
        event.SetEventObject( oldActiveChild );
        oldActiveChild->GetEventHandler()->ProcessEvent(event);
    }

    wxActivateEvent event(wxEVT_ACTIVATE, TRUE, this->GetId());
    event.SetEventObject( this );
    this->GetEventHandler()->ProcessEvent(event);
}

void wxMDIChildFrame::OnLower()
{
    wxMDIParentFrame* parentFrame = (wxMDIParentFrame*) GetParent() ;
    wxMDIChildFrame* oldActiveChild = parentFrame->GetActiveChild();

    if (oldActiveChild == this)
    {
        wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldActiveChild->GetId());
        event.SetEventObject( oldActiveChild );
        oldActiveChild->GetEventHandler()->ProcessEvent(event);
    }
    // TODO: unfortunately we don't now know which is the top-most child,
    // so make the active child NULL.
    parentFrame->SetActiveChild((wxMDIChildFrame*) NULL);
}
#endif

// Set the client size (i.e. leave the calculation of borders etc.
// to wxWindows)
void wxMDIChildFrame::DoSetClientSize(int width, int height)
{
    wxWindow::DoSetClientSize(width, height);
}

void wxMDIChildFrame::DoGetClientSize(int* width, int* height) const
{
    wxWindow::DoGetSize(width, height);
}

void wxMDIChildFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
    wxWindow::DoSetSize(x, y, width, height, sizeFlags);
}

void wxMDIChildFrame::DoGetSize(int* width, int* height) const
{
    wxWindow::DoGetSize(width, height);
}

void wxMDIChildFrame::DoGetPosition(int *x, int *y) const
{
    wxWindow::DoGetPosition(x, y);
}

bool wxMDIChildFrame::Show(bool show)
{
    m_visibleStatus = show; /* show-&-hide fix */
    return wxWindow::Show(show);
}

void wxMDIChildFrame::SetMenuBar(wxMenuBar *menuBar)
{
    // Don't create the underlying menubar yet; need to recreate
    // it every time the child is activated.
    m_frameMenuBar = menuBar;

    // We make the assumption that if you're setting the menubar,
    // this is the currently active child.
    GetMDIParentFrame()->SetChildMenuBar(this);
}

// Set icon
void wxMDIChildFrame::SetIcon(const wxIcon& icon)
{
    m_icon = icon;
    if (m_icon.Ok())
    {
        // Not appropriate since there are no icons in
        // a tabbed window
    }
}

void wxMDIChildFrame::SetTitle(const wxString& title)
{
    m_title = title;
    wxMDIClientWindow* clientWindow = GetMDIParentFrame()->GetClientWindow();
    int pageNo = clientWindow->FindPagePosition(this);
    if (pageNo > -1)
        clientWindow->SetPageText(pageNo, title);
}

// MDI operations
void wxMDIChildFrame::Maximize()
{
    // TODO
}

void wxMDIChildFrame::Iconize(bool WXUNUSED(iconize))
{
    // TODO
}

bool wxMDIChildFrame::IsIconized() const
{
    return FALSE;
}

// Is it maximized? Always maximized under Motif, using the
// tabbed MDI implementation.
bool wxMDIChildFrame::IsMaximized(void) const
{
    return TRUE;
}

void wxMDIChildFrame::Restore()
{
    // TODO
}

void wxMDIChildFrame::Activate()
{
    // TODO
}

void wxMDIChildFrame::CaptureMouse()
{
    wxWindow::CaptureMouse();
}

void wxMDIChildFrame::ReleaseMouse()
{
    wxWindow::ReleaseMouse();
}

void wxMDIChildFrame::Raise()
{
    wxWindow::Raise();
}

void wxMDIChildFrame::Lower(void)
{
    wxWindow::Raise();
}

void wxMDIChildFrame::SetSizeHints(int WXUNUSED(minW), int WXUNUSED(minH), int WXUNUSED(maxW), int WXUNUSED(maxH), int WXUNUSED(incW), int WXUNUSED(incH))
{
}

// Client window

wxMDIClientWindow::wxMDIClientWindow()
{
}

wxMDIClientWindow::~wxMDIClientWindow()
{
    // By the time this destructor is called, the child frames will have been
    // deleted and removed from the notebook/client window.
    DestroyChildren();

    m_mainWidget = (WXWidget) 0;
}

bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
{
    SetWindowStyleFlag(style);

    //    m_windowParent = parent;
    //    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);

    bool success = wxNotebook::Create(parent, wxID_NOTEBOOK_CLIENT_AREA, wxPoint(0, 0), wxSize(100, 100), 0);
    if (success)
    {
        wxFont font(10, wxSWISS, wxNORMAL, wxNORMAL);
        wxFont selFont(10, wxSWISS, wxNORMAL, wxBOLD);
        GetTabView()->SetTabFont(font);
        GetTabView()->SetSelectedTabFont(selFont);
        GetTabView()->SetTabSize(120, 18);
        GetTabView()->SetTabSelectionHeight(20);
        return TRUE;
    }
    else
        return FALSE;
}

void wxMDIClientWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
    wxWindow::DoSetSize(x, y, width, height, sizeFlags);
}

void wxMDIClientWindow::DoSetClientSize(int width, int height)
{
    wxWindow::DoSetClientSize(width, height);
}

void wxMDIClientWindow::DoGetClientSize(int *width, int *height) const
{
    wxWindow::DoGetClientSize(width, height);
}

void wxMDIClientWindow::DoGetSize(int *width, int *height) const
{
    wxWindow::DoGetSize(width, height);
}

void wxMDIClientWindow::DoGetPosition(int *x, int *y) const
{
    wxWindow::DoGetPosition(x, y);
}

// Explicitly call default scroll behaviour
void wxMDIClientWindow::OnScroll(wxScrollEvent& WXUNUSED(event))
{
    Default(); // Default processing
}

void wxMDIClientWindow::OnPageChanged(wxNotebookEvent& event)
{
    // Notify child that it has been activated
    if (event.GetOldSelection() != -1)
    {
        wxMDIChildFrame* oldChild = (wxMDIChildFrame*) GetPage(event.GetOldSelection());
        if (oldChild)
        {
            wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldChild->GetId());
            event.SetEventObject( oldChild );
            oldChild->GetEventHandler()->ProcessEvent(event);
        }
    }
    if (event.GetSelection() != -1)
    {
        wxMDIChildFrame* activeChild = (wxMDIChildFrame*) GetPage(event.GetSelection());
        if (activeChild)
        {
            wxActivateEvent event(wxEVT_ACTIVATE, TRUE, activeChild->GetId());
            event.SetEventObject( activeChild );
            activeChild->GetEventHandler()->ProcessEvent(event);

            if (activeChild->GetMDIParentFrame())
            {
                activeChild->GetMDIParentFrame()->SetActiveChild(activeChild);
                activeChild->GetMDIParentFrame()->SetChildMenuBar(activeChild);
            }
        }
    }
    event.Skip();
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: mdi.cpp
	3	// Purpose: MDI classes
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 17/09/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "mdi.h"
	14	#endif
	15
	16	#include "wx/mdi.h"
	17	#include "wx/menu.h"
	18	#include "wx/settings.h"
	19
	20	#ifdef __VMS__
	21	#pragma message disable nosimpint
	22	#endif
	23	#include <Xm/Xm.h>
	24	#include <Xm/BulletinB.h>
	25	#include <Xm/Form.h>
	26	#include <Xm/MainW.h>
	27	#include <Xm/RowColumn.h>
	28	#include <Xm/CascadeBG.h>
	29	#include <Xm/Text.h>
	30	#include <Xm/PushBG.h>
	31	#include <Xm/AtomMgr.h>
	32	#include <Xm/Protocols.h>
	33	#ifdef __VMS__
	34	#pragma message enable nosimpint
	35	#endif
	36
	37	#include "wx/motif/private.h"
	38
	39	extern wxList wxModelessWindows;
	40
	41	// Implemented in frame.cpp
	42	extern void wxFrameFocusProc(Widget workArea, XtPointer clientData,
	43	XmAnyCallbackStruct *cbs);
	44
	45	#define wxID_NOTEBOOK_CLIENT_AREA wxID_HIGHEST + 100
	46
	47	IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
	48	IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
	49	IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxNotebook)
	50
	51	BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
	52	EVT_SIZE(wxMDIParentFrame::OnSize)
	53	EVT_ACTIVATE(wxMDIParentFrame::OnActivate)
	54	EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
	55	EVT_MENU_HIGHLIGHT_ALL(wxMDIParentFrame::OnMenuHighlight)
	56	END_EVENT_TABLE()
	57
	58	BEGIN_EVENT_TABLE(wxMDIClientWindow, wxNotebook)
	59	EVT_SCROLL(wxMDIClientWindow::OnScroll)
	60	EVT_NOTEBOOK_PAGE_CHANGED(wxID_NOTEBOOK_CLIENT_AREA, wxMDIClientWindow::OnPageChanged)
	61	END_EVENT_TABLE()
	62
	63
	64	// Parent frame
	65
	66	wxMDIParentFrame::wxMDIParentFrame()
	67	{
	68	m_clientWindow = (wxMDIClientWindow*) NULL;
	69	m_activeChild = (wxMDIChildFrame*) NULL;
	70	m_activeMenuBar = (wxMenuBar*) NULL;
	71	}
	72
	73	bool wxMDIParentFrame::Create(wxWindow *parent,
	74	wxWindowID id,
	75	const wxString& title,
	76	const wxPoint& pos,
	77	const wxSize& size,
	78	long style,
	79	const wxString& name)
	80	{
	81	m_clientWindow = (wxMDIClientWindow*) NULL;
	82	m_activeChild = (wxMDIChildFrame*) NULL;
	83	m_activeMenuBar = (wxMenuBar*) NULL;
	84
	85	bool success = wxFrame::Create(parent, id, title, pos, size, style, name);
	86	if (success)
	87	{
	88	// TODO: app cannot override OnCreateClient since
	89	// wxMDIParentFrame::OnCreateClient will still be called
	90	// (we're in the constructor). How to resolve?
	91
	92	m_clientWindow = OnCreateClient();
	93
	94	// Uses own style for client style
	95	m_clientWindow->CreateClient(this, GetWindowStyleFlag());
	96
	97	int w, h;
	98	GetClientSize(& w, & h);
	99	m_clientWindow->SetSize(0, 0, w, h);
	100	return TRUE;
	101	}
	102	else
	103	return FALSE;
	104	}
	105
	106	wxMDIParentFrame::~wxMDIParentFrame()
	107	{
	108	// Make sure we delete the client window last of all
	109	RemoveChild(m_clientWindow);
	110
	111	DestroyChildren();
	112
	113	delete m_clientWindow;
	114	m_clientWindow = NULL;
	115	}
	116
	117	void wxMDIParentFrame::SetMenuBar(wxMenuBar *menu_bar)
	118	{
	119	m_frameMenuBar = menu_bar;
	120
	121	SetChildMenuBar((wxMDIChildFrame*) NULL);
	122	}
	123
	124	void wxMDIParentFrame::OnSize(wxSizeEvent& WXUNUSED(event))
	125	{
	126	#if wxUSE_CONSTRAINTS
	127	if (GetAutoLayout())
	128	Layout();
	129	#endif
	130	int x = 0;
	131	int y = 0;
	132	int width, height;
	133	GetClientSize(&width, &height);
	134
	135	if ( GetClientWindow() )
	136	GetClientWindow()->SetSize(x, y, width, height);
	137	}
	138
	139	void wxMDIParentFrame::DoGetClientSize(int width, int height) const
	140	{
	141	wxFrame::DoGetClientSize(width, height);
	142	}
	143
	144	void wxMDIParentFrame::OnActivate(wxActivateEvent& WXUNUSED(event))
	145	{
	146	// Do nothing
	147	}
	148
	149	// Returns the active MDI child window
	150	wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
	151	{
	152	return m_activeChild;
	153	}
	154
	155	// Create the client window class (don't Create the window,
	156	// just return a new class)
	157	wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
	158	{
	159	return new wxMDIClientWindow ;
	160	}
	161
	162	// Set the child's menu into the parent frame
	163	void wxMDIParentFrame::SetChildMenuBar(wxMDIChildFrame* child)
	164	{
	165	wxMenuBar* oldMenuBar = m_activeMenuBar;
	166
	167	if (child == (wxMDIChildFrame*) NULL) // No child: use parent frame
	168	{
	169	if (GetMenuBar() && (GetMenuBar() != m_activeMenuBar))
	170	{
	171	// if (m_activeMenuBar)
	172	// m_activeMenuBar->DestroyMenuBar();
	173
	174	m_activeMenuBar = GetMenuBar();
	175	m_activeMenuBar->CreateMenuBar(this);
	176	/*
	177	if (oldMenuBar && XtIsManaged((Widget) oldMenuBar->GetMainWidget()))
	178	XtUnmanageChild((Widget) oldMenuBar->GetMainWidget());
	179	*/
	180	if (oldMenuBar && oldMenuBar->GetMainWidget())
	181	XtUnmapWidget((Widget) oldMenuBar->GetMainWidget());
	182
	183	}
	184	}
	185	else if (child->GetMenuBar() == (wxMenuBar*) NULL) // No child menu bar: use parent frame
	186	{
	187	if (GetMenuBar() && (GetMenuBar() != m_activeMenuBar))
	188	{
	189	// if (m_activeMenuBar)
	190	// m_activeMenuBar->DestroyMenuBar();
	191	m_activeMenuBar = GetMenuBar();
	192	m_activeMenuBar->CreateMenuBar(this);
	193	/*
	194	if (oldMenuBar && XtIsManaged((Widget) oldMenuBar->GetMainWidget()))
	195	XtUnmanageChild((Widget) oldMenuBar->GetMainWidget());
	196	*/
	197	if (oldMenuBar && oldMenuBar->GetMainWidget())
	198	XtUnmapWidget((Widget) oldMenuBar->GetMainWidget());
	199	}
	200	}
	201	else // The child has a menubar
	202	{
	203	if (child->GetMenuBar() != m_activeMenuBar)
	204	{
	205	// if (m_activeMenuBar)
	206	// m_activeMenuBar->DestroyMenuBar();
	207
	208	m_activeMenuBar = child->GetMenuBar();
	209	m_activeMenuBar->CreateMenuBar(this);
	210	/*
	211	if (oldMenuBar && XtIsManaged((Widget) oldMenuBar->GetMainWidget()))
	212	XtUnmanageChild((Widget) oldMenuBar->GetMainWidget());
	213	*/
	214	if (oldMenuBar && oldMenuBar->GetMainWidget())
	215	XtUnmapWidget((Widget) oldMenuBar->GetMainWidget());
	216	}
	217	}
	218	}
	219
	220	// Redirect events to active child first
	221	bool wxMDIParentFrame::ProcessEvent(wxEvent& event)
	222	{
	223	// Stops the same event being processed repeatedly
	224	static wxEventType inEvent = wxEVT_NULL;
	225	if (inEvent == event.GetEventType())
	226	return FALSE;
	227
	228	inEvent = event.GetEventType();
	229
	230	bool res = FALSE;
	231	if (m_activeChild && event.IsKindOf(CLASSINFO(wxCommandEvent)))
	232	{
	233	res = m_activeChild->GetEventHandler()->ProcessEvent(event);
	234	}
	235
	236	if (!res)
	237	res = GetEventHandler()->wxEvtHandler::ProcessEvent(event);
	238
	239	inEvent = wxEVT_NULL;
	240
	241	return res;
	242	}
	243
	244	void wxMDIParentFrame::DoSetSize(int x, int y,
	245	int width, int height,
	246	int sizeFlags)
	247	{
	248	wxWindow::DoSetSize(x, y, width, height, sizeFlags);
	249	}
	250
	251	void wxMDIParentFrame::DoSetClientSize(int width, int height)
	252	{
	253	wxWindow::DoSetClientSize(width, height);
	254	}
	255
	256	// Responds to colour changes, and passes event on to children.
	257	void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
	258	{
	259	// TODO
	260
	261	// Propagate the event to the non-top-level children
	262	wxFrame::OnSysColourChanged(event);
	263	}
	264
	265	// MDI operations
	266	void wxMDIParentFrame::Cascade()
	267	{
	268	// TODO
	269	}
	270
	271	void wxMDIParentFrame::Tile()
	272	{
	273	// TODO
	274	}
	275
	276	void wxMDIParentFrame::ArrangeIcons()
	277	{
	278	// TODO
	279	}
	280
	281	void wxMDIParentFrame::ActivateNext()
	282	{
	283	// TODO
	284	}
	285
	286	void wxMDIParentFrame::ActivatePrevious()
	287	{
	288	// TODO
	289	}
	290
	291	// Default menu selection behaviour - display a help string
	292	void wxMDIParentFrame::OnMenuHighlight(wxMenuEvent& event)
	293	{
	294	if (GetStatusBar())
	295	{
	296	if (event.GetMenuId() == -1)
	297	SetStatusText("");
	298	else
	299	{
	300	wxMenuBar menuBar = (wxMenuBar) NULL;
	301	if (GetActiveChild())
	302	menuBar = GetActiveChild()->GetMenuBar();
	303	else
	304	menuBar = GetMenuBar();
	305	if (menuBar)
	306	{
	307	wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
	308	if (helpString != "")
	309	SetStatusText(helpString);
	310	}
	311	}
	312	}
	313	}
	314
	315	// Child frame
	316
	317	wxMDIChildFrame::wxMDIChildFrame()
	318	{
	319	m_mdiParentFrame = (wxMDIParentFrame*) NULL;
	320	}
	321
	322	bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
	323	wxWindowID id,
	324	const wxString& title,
	325	const wxPoint& pos,
	326	const wxSize& size,
	327	long style,
	328	const wxString& name)
	329	{
	330	SetName(name);
	331	SetWindowStyleFlag(style);
	332
	333	m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);
	334	m_foregroundColour = *wxBLACK;
	335	m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
	336
	337	if ( id > -1 )
	338	m_windowId = id;
	339	else
	340	m_windowId = (int)NewControlId();
	341
	342	wxMDIClientWindow* clientWindow = parent->GetClientWindow();
	343
	344	wxASSERT_MSG( (clientWindow != (wxWindow*) NULL), "Missing MDI client window.");
	345
	346	if (clientWindow) clientWindow->AddChild(this);
	347
	348	SetMDIParentFrame(parent);
	349
	350	int width = size.x;
	351	int height = size.y;
	352	if (width == -1)
	353	width = 200; // TODO: give reasonable default
	354	if (height == -1)
	355	height = 200; // TODO: give reasonable default
	356
	357	// We're deactivating the old child
	358	wxMDIChildFrame* oldActiveChild = parent->GetActiveChild();
	359	if (oldActiveChild)
	360	{
	361	wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldActiveChild->GetId());
	362	event.SetEventObject( oldActiveChild );
	363	oldActiveChild->GetEventHandler()->ProcessEvent(event);
	364	}
	365
	366	// This is the currently active child
	367	parent->SetActiveChild((wxMDIChildFrame*) this);
	368
	369	// This time we'll try a bog-standard bulletin board for
	370	// the 'frame'. A main window doesn't seem to work.
	371
	372	m_mainWidget = (WXWidget) XtVaCreateWidget("client",
	373	xmBulletinBoardWidgetClass, (Widget) clientWindow->GetTopWidget(),
	374	XmNmarginWidth, 0,
	375	XmNmarginHeight, 0,
	376	/*
	377	XmNrightAttachment, XmATTACH_FORM,
	378	XmNleftAttachment, XmATTACH_FORM,
	379	XmNtopAttachment, XmATTACH_FORM,
	380	XmNbottomAttachment, XmATTACH_FORM,
	381	*/
	382	XmNresizePolicy, XmRESIZE_NONE,
	383	NULL);
	384
	385	XtAddEventHandler((Widget) m_mainWidget, ExposureMask,FALSE,
	386	wxUniversalRepaintProc, (XtPointer) this);
	387
	388	SetCanAddEventHandler(TRUE);
	389	AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
	390
	391	ChangeBackgroundColour();
	392
	393	XtManageChild((Widget) m_mainWidget);
	394
	395	SetTitle(title);
	396
	397	clientWindow->AddPage(this, title, TRUE);
	398	clientWindow->Refresh();
	399
	400	// Positions the toolbar and status bar -- but we don't have any.
	401	// PreResize();
	402
	403	wxModelessWindows.Append(this);
	404	return TRUE;
	405	}
	406
	407
	408	wxMDIChildFrame::~wxMDIChildFrame()
	409	{
	410	if (m_mainWidget)
	411	XtRemoveEventHandler((Widget) m_mainWidget, ExposureMask,FALSE,
	412	wxUniversalRepaintProc, (XtPointer) this);
	413
	414	if (GetMDIParentFrame())
	415	{
	416	wxMDIParentFrame* parentFrame = GetMDIParentFrame();
	417
	418	if (parentFrame->GetActiveChild() == this)
	419	parentFrame->SetActiveChild((wxMDIChildFrame*) NULL);
	420	wxMDIClientWindow* clientWindow = parentFrame->GetClientWindow();
	421
	422	// Remove page if still there
	423	if (clientWindow->RemovePage(this))
	424	clientWindow->Refresh();
	425
	426	// Set the selection to the first remaining page
	427	if (clientWindow->GetPageCount() > 0)
	428	{
	429	wxMDIChildFrame* child = (wxMDIChildFrame*) clientWindow->GetPage(0);
	430	parentFrame->SetActiveChild(child);
	431	parentFrame->SetChildMenuBar(child);
	432	}
	433	else
	434	{
	435	parentFrame->SetActiveChild((wxMDIChildFrame*) NULL);
	436	parentFrame->SetChildMenuBar((wxMDIChildFrame*) NULL);
	437	}
	438	}
	439	}
	440
	441	#if 0
	442	// Implementation: intercept and act upon raise and lower commands.
	443	void wxMDIChildFrame::OnRaise()
	444	{
	445	wxMDIParentFrame* parentFrame = (wxMDIParentFrame*) GetParent() ;
	446	wxMDIChildFrame* oldActiveChild = parentFrame->GetActiveChild();
	447	parentFrame->SetActiveChild(this);
	448
	449	if (oldActiveChild)
	450	{
	451	wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldActiveChild->GetId());
	452	event.SetEventObject( oldActiveChild );
	453	oldActiveChild->GetEventHandler()->ProcessEvent(event);
	454	}
	455
	456	wxActivateEvent event(wxEVT_ACTIVATE, TRUE, this->GetId());
	457	event.SetEventObject( this );
	458	this->GetEventHandler()->ProcessEvent(event);
	459	}
	460
	461	void wxMDIChildFrame::OnLower()
	462	{
	463	wxMDIParentFrame* parentFrame = (wxMDIParentFrame*) GetParent() ;
	464	wxMDIChildFrame* oldActiveChild = parentFrame->GetActiveChild();
	465
	466	if (oldActiveChild == this)
	467	{
	468	wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldActiveChild->GetId());
	469	event.SetEventObject( oldActiveChild );
	470	oldActiveChild->GetEventHandler()->ProcessEvent(event);
	471	}
	472	// TODO: unfortunately we don't now know which is the top-most child,
	473	// so make the active child NULL.
	474	parentFrame->SetActiveChild((wxMDIChildFrame*) NULL);
	475	}
	476	#endif
	477
	478	// Set the client size (i.e. leave the calculation of borders etc.
	479	// to wxWindows)
	480	void wxMDIChildFrame::DoSetClientSize(int width, int height)
	481	{
	482	wxWindow::DoSetClientSize(width, height);
	483	}
	484
	485	void wxMDIChildFrame::DoGetClientSize(int* width, int* height) const
	486	{
	487	wxWindow::DoGetSize(width, height);
	488	}
	489
	490	void wxMDIChildFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	491	{
	492	wxWindow::DoSetSize(x, y, width, height, sizeFlags);
	493	}
	494
	495	void wxMDIChildFrame::DoGetSize(int* width, int* height) const
	496	{
	497	wxWindow::DoGetSize(width, height);
	498	}
	499
	500	void wxMDIChildFrame::DoGetPosition(int x, int y) const
	501	{
	502	wxWindow::DoGetPosition(x, y);
	503	}
	504
	505	bool wxMDIChildFrame::Show(bool show)
	506	{
	507	m_visibleStatus = show; /* show-&-hide fix */
	508	return wxWindow::Show(show);
	509	}
	510
	511	void wxMDIChildFrame::SetMenuBar(wxMenuBar *menuBar)
	512	{
	513	// Don't create the underlying menubar yet; need to recreate
	514	// it every time the child is activated.
	515	m_frameMenuBar = menuBar;
	516
	517	// We make the assumption that if you're setting the menubar,
	518	// this is the currently active child.
	519	GetMDIParentFrame()->SetChildMenuBar(this);
	520	}
	521
	522	// Set icon
	523	void wxMDIChildFrame::SetIcon(const wxIcon& icon)
	524	{
	525	m_icon = icon;
	526	if (m_icon.Ok())
	527	{
	528	// Not appropriate since there are no icons in
	529	// a tabbed window
	530	}
	531	}
	532
	533	void wxMDIChildFrame::SetTitle(const wxString& title)
	534	{
	535	m_title = title;
	536	wxMDIClientWindow* clientWindow = GetMDIParentFrame()->GetClientWindow();
	537	int pageNo = clientWindow->FindPagePosition(this);
	538	if (pageNo > -1)
	539	clientWindow->SetPageText(pageNo, title);
	540	}
	541
	542	// MDI operations
	543	void wxMDIChildFrame::Maximize()
	544	{
	545	// TODO
	546	}
	547
	548	void wxMDIChildFrame::Iconize(bool WXUNUSED(iconize))
	549	{
	550	// TODO
	551	}
	552
	553	bool wxMDIChildFrame::IsIconized() const
	554	{
	555	return FALSE;
	556	}
	557
	558	// Is it maximized? Always maximized under Motif, using the
	559	// tabbed MDI implementation.
	560	bool wxMDIChildFrame::IsMaximized(void) const
	561	{
	562	return TRUE;
	563	}
	564
	565	void wxMDIChildFrame::Restore()
	566	{
	567	// TODO
	568	}
	569
	570	void wxMDIChildFrame::Activate()
	571	{
	572	// TODO
	573	}
	574
	575	void wxMDIChildFrame::CaptureMouse()
	576	{
	577	wxWindow::CaptureMouse();
	578	}
	579
	580	void wxMDIChildFrame::ReleaseMouse()
	581	{
	582	wxWindow::ReleaseMouse();
	583	}
	584
	585	void wxMDIChildFrame::Raise()
	586	{
	587	wxWindow::Raise();
	588	}
	589
	590	void wxMDIChildFrame::Lower(void)
	591	{
	592	wxWindow::Raise();
	593	}
	594
	595	void wxMDIChildFrame::SetSizeHints(int WXUNUSED(minW), int WXUNUSED(minH), int WXUNUSED(maxW), int WXUNUSED(maxH), int WXUNUSED(incW), int WXUNUSED(incH))
	596	{
	597	}
	598
	599	// Client window
	600
	601	wxMDIClientWindow::wxMDIClientWindow()
	602	{
	603	}
	604
	605	wxMDIClientWindow::~wxMDIClientWindow()
	606	{
	607	// By the time this destructor is called, the child frames will have been
	608	// deleted and removed from the notebook/client window.
	609	DestroyChildren();
	610
	611	m_mainWidget = (WXWidget) 0;
	612	}
	613
	614	bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
	615	{
	616	SetWindowStyleFlag(style);
	617
	618	// m_windowParent = parent;
	619	// m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);
	620
	621	bool success = wxNotebook::Create(parent, wxID_NOTEBOOK_CLIENT_AREA, wxPoint(0, 0), wxSize(100, 100), 0);
	622	if (success)
	623	{
	624	wxFont font(10, wxSWISS, wxNORMAL, wxNORMAL);
	625	wxFont selFont(10, wxSWISS, wxNORMAL, wxBOLD);
	626	GetTabView()->SetTabFont(font);
	627	GetTabView()->SetSelectedTabFont(selFont);
	628	GetTabView()->SetTabSize(120, 18);
	629	GetTabView()->SetTabSelectionHeight(20);
	630	return TRUE;
	631	}
	632	else
	633	return FALSE;
	634	}
	635
	636	void wxMDIClientWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	637	{
	638	wxWindow::DoSetSize(x, y, width, height, sizeFlags);
	639	}
	640
	641	void wxMDIClientWindow::DoSetClientSize(int width, int height)
	642	{
	643	wxWindow::DoSetClientSize(width, height);
	644	}
	645
	646	void wxMDIClientWindow::DoGetClientSize(int width, int height) const
	647	{
	648	wxWindow::DoGetClientSize(width, height);
	649	}
	650
	651	void wxMDIClientWindow::DoGetSize(int width, int height) const
	652	{
	653	wxWindow::DoGetSize(width, height);
	654	}
	655
	656	void wxMDIClientWindow::DoGetPosition(int x, int y) const
	657	{
	658	wxWindow::DoGetPosition(x, y);
	659	}
	660
	661	// Explicitly call default scroll behaviour
	662	void wxMDIClientWindow::OnScroll(wxScrollEvent& WXUNUSED(event))
	663	{
	664	Default(); // Default processing
	665	}
	666
	667	void wxMDIClientWindow::OnPageChanged(wxNotebookEvent& event)
	668	{
	669	// Notify child that it has been activated
	670	if (event.GetOldSelection() != -1)
	671	{
	672	wxMDIChildFrame* oldChild = (wxMDIChildFrame*) GetPage(event.GetOldSelection());
	673	if (oldChild)
	674	{
	675	wxActivateEvent event(wxEVT_ACTIVATE, FALSE, oldChild->GetId());
	676	event.SetEventObject( oldChild );
	677	oldChild->GetEventHandler()->ProcessEvent(event);
	678	}
	679	}
	680	if (event.GetSelection() != -1)
	681	{
	682	wxMDIChildFrame* activeChild = (wxMDIChildFrame*) GetPage(event.GetSelection());
	683	if (activeChild)
	684	{
	685	wxActivateEvent event(wxEVT_ACTIVATE, TRUE, activeChild->GetId());
	686	event.SetEventObject( activeChild );
	687	activeChild->GetEventHandler()->ProcessEvent(event);
	688
	689	if (activeChild->GetMDIParentFrame())
	690	{
	691	activeChild->GetMDIParentFrame()->SetActiveChild(activeChild);
	692	activeChild->GetMDIParentFrame()->SetChildMenuBar(activeChild);
	693	}
	694	}
	695	}
	696	event.Skip();
	697	}