src/motif/menu.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        menu.cpp
// Purpose:     wxMenu, wxMenuBar, wxMenuItem
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////


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

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

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "wx/menu.h"
#include "wx/menuitem.h"
#include "wx/log.h"
#include "wx/utils.h"
#include "wx/app.h"
#include "wx/frame.h"
#include "wx/settings.h"

#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/Label.h>
#include <Xm/LabelG.h>
#include <Xm/CascadeBG.h>
#include <Xm/CascadeB.h>
#include <Xm/SeparatoG.h>
#include <Xm/PushBG.h>
#include <Xm/ToggleB.h>
#include <Xm/ToggleBG.h>
#include <Xm/RowColumn.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif

#include "wx/motif/private.h"

// other standard headers
#include <string.h>

IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// Menus
// ----------------------------------------------------------------------------

// Construct a menu with optional title (then use append)
void wxMenu::Init()
{
    // Motif-specific members
    m_numColumns = 1;
    m_menuWidget = (WXWidget) NULL;
    m_popupShell = (WXWidget) NULL;
    m_buttonWidget = (WXWidget) NULL;
    m_menuId = 0;
    m_topLevelMenu  = (wxMenu*) NULL;
    m_ownedByMenuBar = FALSE;

    if ( !!m_title )
    {
        Append(wxID_SEPARATOR, m_title) ;
        AppendSeparator() ;
    }

    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENU);
    m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENUTEXT);
    m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
}

// The wxWindow destructor will take care of deleting the submenus.
wxMenu::~wxMenu()
{
    if (m_menuWidget)
    {
        if (m_menuParent)
            DestroyMenu(TRUE);
        else
            DestroyMenu(FALSE);
    }

    // Not sure if this is right
    if (m_menuParent && m_menuBar)
    {
        m_menuParent = NULL;
        //      m_menuBar = NULL;
    }
}

void wxMenu::Break()
{
    m_numColumns++;
}

// function appends a new item or submenu to the menu
bool wxMenu::DoAppend(wxMenuItem *pItem)
{
    if (m_menuWidget)
    {
        // this is a dynamic Append
        pItem->CreateItem(m_menuWidget, m_menuBar, m_topLevelMenu);
    }

    if ( pItem->IsSubMenu() )
    {
        pItem->GetSubMenu()->m_topLevelMenu = m_topLevelMenu;
    }

    return wxMenuBase::DoAppend(pItem);
}

wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
{
    item->DestroyItem(TRUE);

    return wxMenuBase::DoRemove(item);
}

bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
{
    if ( !wxMenuBase::DoInsert(pos, item) )
        return FALSE;

    wxFAIL_MSG(wxT("not implemented"));

    return FALSE;
}

void wxMenu::SetTitle(const wxString& label)
{
    m_title = label;

    wxMenuItemList::Node *node = GetMenuItems().GetFirst();
    if ( !node )
        return;

    wxMenuItem *item = node->GetData ();
    Widget widget = (Widget) item->GetButtonWidget();
    if ( !widget )
        return;

    wxXmString title_str(label);
    XtVaSetValues(widget,
                  XmNlabelString, title_str(),
                  NULL);
}

bool wxMenu::ProcessCommand(wxCommandEvent & event)
{
    bool processed = FALSE;

#if wxUSE_MENU_CALLBACK
    // Try a callback
    if (m_callback)
    {
        (void) (*(m_callback)) (*this, event);
        processed = TRUE;
    }
#endif // wxUSE_MENU_CALLBACK

    // Try the menu's event handler
    if ( !processed && GetEventHandler())
    {
        processed = GetEventHandler()->ProcessEvent(event);
    }
    // Try the window the menu was popped up from (and up
    // through the hierarchy)
    if ( !processed && GetInvokingWindow())
        processed = GetInvokingWindow()->ProcessEvent(event);

    return processed;
}

// ----------------------------------------------------------------------------
// Menu Bar
// ----------------------------------------------------------------------------

void wxMenuBar::Init()
{
    m_eventHandler = this;
    m_menuBarFrame = NULL;
    m_mainWidget = (WXWidget) NULL;
    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENU);
    m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENUTEXT);
    m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
}

wxMenuBar::wxMenuBar(int n, wxMenu *menus[], const wxString titles[])
{
    Init();

    for ( int i = 0; i < n; i++ )
    {
        m_menus.Append(menus[i]);
        m_titles.Add(titles[i]);
    }
}

wxMenuBar::~wxMenuBar()
{
    // nothing to do: wxMenuBarBase will delete the menus
}

void wxMenuBar::EnableTop(size_t WXUNUSED(pos), bool WXUNUSED(flag))
{
  //    wxFAIL_MSG("TODO");
//  wxLogWarning("wxMenuBar::EnableTop not yet implemented.");
}

void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
{
    wxMenu *menu = GetMenu(pos);
    if ( !menu )
        return;

    Widget w = (Widget)menu->GetButtonWidget();
    if (w)
    {
        wxXmString label_str(label);

        XtVaSetValues(w,
                      XmNlabelString, label_str(),
                      NULL);
    }
}

wxString wxMenuBar::GetLabelTop(size_t pos) const
{
    wxString str;

    wxMenu *menu = GetMenu(pos);
    if ( menu )
    {
        Widget w = (Widget)menu->GetButtonWidget();
        if (w)
        {
            XmString text;
            XtVaGetValues(w,
                          XmNlabelString, &text,
                          NULL);

            char *s;
            if ( XmStringGetLtoR(text, XmSTRING_DEFAULT_CHARSET, &s) )
            {
                str = s;

                XtFree(s);
            }
        }
    }

    return str;
}

bool wxMenuBar::Append(wxMenu * menu, const wxString& title)
{
    wxCHECK_MSG( menu, FALSE, wxT("invalid menu") );
    wxCHECK_MSG( !menu->GetParent() && !menu->GetButtonWidget(), FALSE,
                 wxT("menu already appended") );

    if ( m_menuBarFrame )
    {
        WXWidget w = menu->CreateMenu(this, GetMainWidget(), menu, title, TRUE);
        wxCHECK_MSG( w, FALSE, wxT("failed to create menu") );
        menu->SetButtonWidget(w);
    }

    menu->SetMenuBar(this);

    m_titles.Add(title);

    return wxMenuBarBase::Append(menu, title);
}

bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
{
    if ( !wxMenuBarBase::Insert(pos, menu, title) )
        return FALSE;

    wxFAIL_MSG(wxT("TODO"));

    return FALSE;
}

wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
{
    if ( !wxMenuBarBase::Replace(pos, menu, title) )
        return FALSE;

    wxFAIL_MSG(wxT("TODO"));

    return NULL;
}

wxMenu *wxMenuBar::Remove(size_t pos)
{
    wxMenu *menu = wxMenuBarBase::Remove(pos);
    if ( !menu )
        return NULL;

    if ( m_menuBarFrame )
        menu->DestroyMenu(TRUE);

    menu->SetMenuBar(NULL);

    m_titles.Remove(pos);

    return menu;
}

// Find the menu menuString, item itemString, and return the item id.
// Returns -1 if none found.
int wxMenuBar::FindMenuItem (const wxString& menuString, const wxString& itemString) const
{
    char buf1[200];
    char buf2[200];
    wxStripMenuCodes ((char *)(const char *)menuString, buf1);

    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
    {
        wxStripMenuCodes ((char *)(const char *)m_titles[i], buf2);
        if (strcmp (buf1, buf2) == 0)
            return m_menus[i]->FindItem (itemString);
    }
    return -1;
}

wxMenuItem *wxMenuBar::FindItem(int id, wxMenu ** itemMenu) const
{
    if (itemMenu)
        *itemMenu = NULL;

    wxMenuItem *item = NULL;
    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
        if ((item = m_menus[i]->FindItem(id, itemMenu)))
            return item;
        return NULL;
}

// Create menubar
bool wxMenuBar::CreateMenuBar(wxFrame* parent)
{
    if (m_mainWidget)
    {
        XtVaSetValues((Widget) parent->GetMainWidget(), XmNmenuBar, (Widget) m_mainWidget, NULL);
        /*
        if (!XtIsManaged((Widget) m_mainWidget))
        XtManageChild((Widget) m_mainWidget);
        */
        XtMapWidget((Widget) m_mainWidget);
        return TRUE;
    }

    Widget menuBarW = XmCreateMenuBar ((Widget) parent->GetMainWidget(), "MenuBar", NULL, 0);
    m_mainWidget = (WXWidget) menuBarW;

    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
    {
        wxMenu *menu = GetMenu(i);
        wxString title(m_titles[i]);
        menu->SetButtonWidget(menu->CreateMenu (this, menuBarW, menu, title, TRUE));

        if (strcmp (wxStripMenuCodes(title), "Help") == 0)
            XtVaSetValues ((Widget) menuBarW, XmNmenuHelpWidget, (Widget) menu->GetButtonWidget(), NULL);

        // tear off menu support
#if (XmVersion >= 1002)
        if ( menu->IsTearOff() )
        {
            XtVaSetValues(GetWidget(menu),
                          XmNtearOffModel, XmTEAR_OFF_ENABLED,
                          NULL);
            Widget tearOff = XmGetTearOffControl(GetWidget(menu));
            wxDoChangeForegroundColour((Widget) tearOff, m_foregroundColour);
            wxDoChangeBackgroundColour((Widget) tearOff, m_backgroundColour, TRUE);
#endif
        }
    }

    SetBackgroundColour(m_backgroundColour);
    SetForegroundColour(m_foregroundColour);
    SetFont(m_font);

    XtVaSetValues((Widget) parent->GetMainWidget(), XmNmenuBar, (Widget) m_mainWidget, NULL);
    XtRealizeWidget ((Widget) menuBarW);
    XtManageChild ((Widget) menuBarW);
    SetMenuBarFrame(parent);

    return TRUE;
}

// Destroy menubar, but keep data structures intact so we can recreate it.
bool wxMenuBar::DestroyMenuBar()
{
    if (!m_mainWidget)
    {
        SetMenuBarFrame((wxFrame*) NULL);
        return FALSE;
    }

    XtUnmanageChild ((Widget) m_mainWidget);
    XtUnrealizeWidget ((Widget) m_mainWidget);

    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
    {
        wxMenu *menu = GetMenu(i);
        menu->DestroyMenu(TRUE);

    }
    XtDestroyWidget((Widget) m_mainWidget);
    m_mainWidget = (WXWidget) 0;

    SetMenuBarFrame((wxFrame*) NULL);

    return TRUE;
}

//// Motif-specific
static XtWorkProcId WorkProcMenuId;

/* Since PopupMenu under Motif stills grab right mouse button events
* after it was closed, we need to delete the associated widgets to
* allow next PopUpMenu to appear...
*/

int PostDeletionOfMenu( XtPointer* clientData )
{
    XtRemoveWorkProc(WorkProcMenuId);
    wxMenu *menu = (wxMenu *)clientData;

    if (menu->GetMainWidget())
    {
        wxMenu *menuParent = menu->GetParent();
        if ( menuParent )
        {
            wxMenuItemList::Node *node = menuParent->GetMenuItems().GetFirst();
            while ( node )
            {
                if ( node->GetData()->GetSubMenu() == menu )
                {
                    menuParent->GetMenuItems().DeleteNode(node);

                    break;
                }

                node = node->GetNext();
            }
        }

        menu->DestroyMenu(TRUE);
    }

    // Mark as no longer popped up
    menu->m_menuId = -1;

    return TRUE;
}

void
wxMenuPopdownCallback(Widget WXUNUSED(w), XtPointer clientData,
                      XtPointer WXUNUSED(ptr))
{
    wxMenu *menu = (wxMenu *)clientData;

    // Added by JOREL Jean-Charles <jjorel@silr.ireste.fr>
    /* Since Callbacks of MenuItems are not yet processed, we put a
    * background job which will be done when system will be idle.
    * What awful hack!! :(
    */

    WorkProcMenuId = XtAppAddWorkProc(
        (XtAppContext) wxTheApp->GetAppContext(),
        (XtWorkProc) PostDeletionOfMenu,
        (XtPointer) menu );
    // Apparently not found in Motif headers
    //  XtVaSetValues( w, XmNpopupEnabled, XmPOPUP_DISABLED, NULL );
}

/*
* Create a popup or pulldown menu.
* Submenus of a popup will be pulldown.
*
*/

WXWidget wxMenu::CreateMenu (wxMenuBar * menuBar, WXWidget parent, wxMenu * topMenu, const wxString& title, bool pullDown)
{
    Widget menu = (Widget) 0;
    Widget buttonWidget = (Widget) 0;
    Arg args[5];
    XtSetArg (args[0], XmNnumColumns, m_numColumns);
    XtSetArg (args[1], XmNpacking, XmPACK_COLUMN);

    if (!pullDown)
    {
        menu = XmCreatePopupMenu ((Widget) parent, "popup", args, 2);
        XtAddCallback(menu,
            XmNunmapCallback,
            (XtCallbackProc)wxMenuPopdownCallback,
            (XtPointer)this);
    }
    else
    {
        char mnem = wxFindMnemonic (title);
        wxStripMenuCodes ((char*) (const char*) title, wxBuffer);

        menu = XmCreatePulldownMenu ((Widget) parent, "pulldown", args, 2);

        wxString title2(wxStripMenuCodes(title));
        wxXmString label_str(title2);
        buttonWidget = XtVaCreateManagedWidget(title2,
#if wxUSE_GADGETS
            xmCascadeButtonGadgetClass, (Widget) parent,
#else
            xmCascadeButtonWidgetClass, (Widget) parent,
#endif
            XmNlabelString, label_str(),
            XmNsubMenuId, menu,
            NULL);

        if (mnem != 0)
            XtVaSetValues (buttonWidget, XmNmnemonic, mnem, NULL);
    }

    m_menuWidget = (WXWidget) menu;

    m_menuBar = menuBar;
    m_topLevelMenu = topMenu;

    for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
          node;
          node = node->GetNext() )
    {
        wxMenuItem *item = node->GetData();

        item->CreateItem(menu, menuBar, topMenu);
    }

    SetBackgroundColour(m_backgroundColour);
    SetForegroundColour(m_foregroundColour);
    SetFont(m_font);

    return buttonWidget;
}

// Destroys the Motif implementation of the menu,
// but maintains the wxWindows data structures so we can
// do a CreateMenu again.
void wxMenu::DestroyMenu (bool full)
{
    for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
          node;
          node = node->GetNext() )
    {
        wxMenuItem *item = node->GetData();
        item->SetMenuBar((wxMenuBar*) NULL);

        item->DestroyItem(full);
    }

    if (m_buttonWidget)
    {
        if (full)
        {
            XtVaSetValues((Widget) m_buttonWidget, XmNsubMenuId, NULL, NULL);
            XtDestroyWidget ((Widget) m_buttonWidget);
            m_buttonWidget = (WXWidget) 0;
        }
    }
    if (m_menuWidget && full)
    {
        XtDestroyWidget((Widget) m_menuWidget);
        m_menuWidget = (WXWidget) NULL;
    }
}

WXWidget wxMenu::FindMenuItem (int id, wxMenuItem ** it) const
{
    if (id == m_menuId)
    {
        if (it)
            *it = (wxMenuItem*) NULL;
        return m_buttonWidget;
    }

    for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
          node;
          node = node->GetNext() )
    {
        wxMenuItem *item = node->GetData ();
        if (item->GetId() == id)
        {
            if (it)
                *it = item;
            return item->GetButtonWidget();
        }

        if (item->GetSubMenu())
        {
            WXWidget w = item->GetSubMenu()->FindMenuItem (id, it);
            if (w)
            {
                return w;
            }
        }
    }

    if (it)
        *it = (wxMenuItem*) NULL;
    return (WXWidget) NULL;
}

void wxMenu::SetBackgroundColour(const wxColour& col)
{
    m_backgroundColour = col;
    if (m_menuWidget)
        wxDoChangeBackgroundColour(m_menuWidget, (wxColour&) col);
    if (m_buttonWidget)
        wxDoChangeBackgroundColour(m_buttonWidget, (wxColour&) col, TRUE);

    for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
          node;
          node = node->GetNext() )
    {
        wxMenuItem* item = node->GetData();
        if (item->GetButtonWidget())
        {
            // This crashes because it uses gadgets
            //            wxDoChangeBackgroundColour(item->GetButtonWidget(), (wxColour&) col, TRUE);
        }
        if (item->GetSubMenu())
            item->GetSubMenu()->SetBackgroundColour((wxColour&) col);
    }
}

void wxMenu::SetForegroundColour(const wxColour& col)
{
    m_foregroundColour = col;
    if (m_menuWidget)
        wxDoChangeForegroundColour(m_menuWidget, (wxColour&) col);
    if (m_buttonWidget)
        wxDoChangeForegroundColour(m_buttonWidget, (wxColour&) col);

    for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
          node;
          node = node->GetNext() )
    {
        wxMenuItem* item = node->GetData();
        if (item->GetButtonWidget())
        {
            // This crashes because it uses gadgets
            //            wxDoChangeForegroundColour(item->GetButtonWidget(), (wxColour&) col);
        }
        if (item->GetSubMenu())
            item->GetSubMenu()->SetForegroundColour((wxColour&) col);
    }
}

void wxMenu::ChangeFont(bool keepOriginalSize)
{
    // lesstif 0.87 hangs when setting XmNfontList
#ifndef LESSTIF_VERSION
    if (!m_font.Ok() || !m_menuWidget)
        return;

    XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_menuWidget));

    XtVaSetValues ((Widget) m_menuWidget,
        XmNfontList, fontList,
        NULL);
    if (m_buttonWidget)
    {
        XtVaSetValues ((Widget) m_buttonWidget,
            XmNfontList, fontList,
            NULL);
    }

    for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
          node;
          node = node->GetNext() )
    {
        wxMenuItem* item = node->GetData();
        if (m_menuWidget && item->GetButtonWidget() && m_font.Ok())
        {
            XtVaSetValues ((Widget) item->GetButtonWidget(),
                XmNfontList, fontList,
                NULL);
        }
        if (item->GetSubMenu())
            item->GetSubMenu()->ChangeFont(keepOriginalSize);
    }
#endif
}

void wxMenu::SetFont(const wxFont& font)
{
    m_font = font;
    ChangeFont();
}

bool wxMenuBar::SetBackgroundColour(const wxColour& col)
{
    m_backgroundColour = col;
    if (m_mainWidget)
        wxDoChangeBackgroundColour(m_mainWidget, (wxColour&) col);

    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
        m_menus[i]->SetBackgroundColour((wxColour&) col);

    return TRUE;
}

bool wxMenuBar::SetForegroundColour(const wxColour& col)
{
    m_foregroundColour = col;
    if (m_mainWidget)
        wxDoChangeForegroundColour(m_mainWidget, (wxColour&) col);

    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
        m_menus[i]->SetForegroundColour((wxColour&) col);

    return TRUE;
}

void wxMenuBar::ChangeFont(bool WXUNUSED(keepOriginalSize))
{
    // Nothing to do for menubar, fonts are kept in wxMenus
}

bool wxMenuBar::SetFont(const wxFont& font)
{
    m_font = font;
    ChangeFont();

    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
        m_menus[i]->SetFont(font);

    return TRUE;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: menu.cpp
	3	// Purpose: wxMenu, wxMenuBar, wxMenuItem
	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
	13	// ============================================================================
	14	// declarations
	15	// ============================================================================
	16
	17	#ifdef __GNUG__
	18	#pragma implementation "menu.h"
	19	#endif
	20
	21	// ----------------------------------------------------------------------------
	22	// headers
	23	// ----------------------------------------------------------------------------
	24
	25	#include "wx/menu.h"
	26	#include "wx/menuitem.h"
	27	#include "wx/log.h"
	28	#include "wx/utils.h"
	29	#include "wx/app.h"
	30	#include "wx/frame.h"
	31	#include "wx/settings.h"
	32
	33	#ifdef __VMS__
	34	#pragma message disable nosimpint
	35	#endif
	36	#include <Xm/Label.h>
	37	#include <Xm/LabelG.h>
	38	#include <Xm/CascadeBG.h>
	39	#include <Xm/CascadeB.h>
	40	#include <Xm/SeparatoG.h>
	41	#include <Xm/PushBG.h>
	42	#include <Xm/ToggleB.h>
	43	#include <Xm/ToggleBG.h>
	44	#include <Xm/RowColumn.h>
	45	#ifdef __VMS__
	46	#pragma message enable nosimpint
	47	#endif
	48
	49	#include "wx/motif/private.h"
	50
	51	// other standard headers
	52	#include <string.h>
	53
	54	IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
	55	IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
	56
	57	// ============================================================================
	58	// implementation
	59	// ============================================================================
	60
	61	// ----------------------------------------------------------------------------
	62	// Menus
	63	// ----------------------------------------------------------------------------
	64
	65	// Construct a menu with optional title (then use append)
	66	void wxMenu::Init()
	67	{
	68	// Motif-specific members
	69	m_numColumns = 1;
	70	m_menuWidget = (WXWidget) NULL;
	71	m_popupShell = (WXWidget) NULL;
	72	m_buttonWidget = (WXWidget) NULL;
	73	m_menuId = 0;
	74	m_topLevelMenu = (wxMenu*) NULL;
	75	m_ownedByMenuBar = FALSE;
	76
	77	if ( !!m_title )
	78	{
	79	Append(wxID_SEPARATOR, m_title) ;
	80	AppendSeparator() ;
	81	}
	82
	83	m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENU);
	84	m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENUTEXT);
	85	m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
	86	}
	87
	88	// The wxWindow destructor will take care of deleting the submenus.
	89	wxMenu::~wxMenu()
	90	{
	91	if (m_menuWidget)
	92	{
	93	if (m_menuParent)
	94	DestroyMenu(TRUE);
	95	else
	96	DestroyMenu(FALSE);
	97	}
	98
	99	// Not sure if this is right
	100	if (m_menuParent && m_menuBar)
	101	{
	102	m_menuParent = NULL;
	103	// m_menuBar = NULL;
	104	}
	105	}
	106
	107	void wxMenu::Break()
	108	{
	109	m_numColumns++;
	110	}
	111
	112	// function appends a new item or submenu to the menu
	113	bool wxMenu::DoAppend(wxMenuItem *pItem)
	114	{
	115	if (m_menuWidget)
	116	{
	117	// this is a dynamic Append
	118	pItem->CreateItem(m_menuWidget, m_menuBar, m_topLevelMenu);
	119	}
	120
	121	if ( pItem->IsSubMenu() )
	122	{
	123	pItem->GetSubMenu()->m_topLevelMenu = m_topLevelMenu;
	124	}
	125
	126	return wxMenuBase::DoAppend(pItem);
	127	}
	128
	129	wxMenuItem wxMenu::DoRemove(wxMenuItem item)
	130	{
	131	item->DestroyItem(TRUE);
	132
	133	return wxMenuBase::DoRemove(item);
	134	}
	135
	136	bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
	137	{
	138	if ( !wxMenuBase::DoInsert(pos, item) )
	139	return FALSE;
	140
	141	wxFAIL_MSG(wxT("not implemented"));
	142
	143	return FALSE;
	144	}
	145
	146	void wxMenu::SetTitle(const wxString& label)
	147	{
	148	m_title = label;
	149
	150	wxMenuItemList::Node *node = GetMenuItems().GetFirst();
	151	if ( !node )
	152	return;
	153
	154	wxMenuItem *item = node->GetData ();
	155	Widget widget = (Widget) item->GetButtonWidget();
	156	if ( !widget )
	157	return;
	158
	159	wxXmString title_str(label);
	160	XtVaSetValues(widget,
	161	XmNlabelString, title_str(),
	162	NULL);
	163	}
	164
	165	bool wxMenu::ProcessCommand(wxCommandEvent & event)
	166	{
	167	bool processed = FALSE;
	168
	169	#if wxUSE_MENU_CALLBACK
	170	// Try a callback
	171	if (m_callback)
	172	{
	173	(void) ((m_callback)) (this, event);
	174	processed = TRUE;
	175	}
	176	#endif // wxUSE_MENU_CALLBACK
	177
	178	// Try the menu's event handler
	179	if ( !processed && GetEventHandler())
	180	{
	181	processed = GetEventHandler()->ProcessEvent(event);
	182	}
	183	// Try the window the menu was popped up from (and up
	184	// through the hierarchy)
	185	if ( !processed && GetInvokingWindow())
	186	processed = GetInvokingWindow()->ProcessEvent(event);
	187
	188	return processed;
	189	}
	190
	191	// ----------------------------------------------------------------------------
	192	// Menu Bar
	193	// ----------------------------------------------------------------------------
	194
	195	void wxMenuBar::Init()
	196	{
	197	m_eventHandler = this;
	198	m_menuBarFrame = NULL;
	199	m_mainWidget = (WXWidget) NULL;
	200	m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENU);
	201	m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_MENUTEXT);
	202	m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
	203	}
	204
	205	wxMenuBar::wxMenuBar(int n, wxMenu *menus[], const wxString titles[])
	206	{
	207	Init();
	208
	209	for ( int i = 0; i < n; i++ )
	210	{
	211	m_menus.Append(menus[i]);
	212	m_titles.Add(titles[i]);
	213	}
	214	}
	215
	216	wxMenuBar::~wxMenuBar()
	217	{
	218	// nothing to do: wxMenuBarBase will delete the menus
	219	}
	220
	221	void wxMenuBar::EnableTop(size_t WXUNUSED(pos), bool WXUNUSED(flag))
	222	{
	223	// wxFAIL_MSG("TODO");
	224	// wxLogWarning("wxMenuBar::EnableTop not yet implemented.");
	225	}
	226
	227	void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
	228	{
	229	wxMenu *menu = GetMenu(pos);
	230	if ( !menu )
	231	return;
	232
	233	Widget w = (Widget)menu->GetButtonWidget();
	234	if (w)
	235	{
	236	wxXmString label_str(label);
	237
	238	XtVaSetValues(w,
	239	XmNlabelString, label_str(),
	240	NULL);
	241	}
	242	}
	243
	244	wxString wxMenuBar::GetLabelTop(size_t pos) const
	245	{
	246	wxString str;
	247
	248	wxMenu *menu = GetMenu(pos);
	249	if ( menu )
	250	{
	251	Widget w = (Widget)menu->GetButtonWidget();
	252	if (w)
	253	{
	254	XmString text;
	255	XtVaGetValues(w,
	256	XmNlabelString, &text,
	257	NULL);
	258
	259	char *s;
	260	if ( XmStringGetLtoR(text, XmSTRING_DEFAULT_CHARSET, &s) )
	261	{
	262	str = s;
	263
	264	XtFree(s);
	265	}
	266	}
	267	}
	268
	269	return str;
	270	}
	271
	272	bool wxMenuBar::Append(wxMenu * menu, const wxString& title)
	273	{
	274	wxCHECK_MSG( menu, FALSE, wxT("invalid menu") );
	275	wxCHECK_MSG( !menu->GetParent() && !menu->GetButtonWidget(), FALSE,
	276	wxT("menu already appended") );
	277
	278	if ( m_menuBarFrame )
	279	{
	280	WXWidget w = menu->CreateMenu(this, GetMainWidget(), menu, title, TRUE);
	281	wxCHECK_MSG( w, FALSE, wxT("failed to create menu") );
	282	menu->SetButtonWidget(w);
	283	}
	284
	285	menu->SetMenuBar(this);
	286
	287	m_titles.Add(title);
	288
	289	return wxMenuBarBase::Append(menu, title);
	290	}
	291
	292	bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
	293	{
	294	if ( !wxMenuBarBase::Insert(pos, menu, title) )
	295	return FALSE;
	296
	297	wxFAIL_MSG(wxT("TODO"));
	298
	299	return FALSE;
	300	}
	301
	302	wxMenu wxMenuBar::Replace(size_t pos, wxMenu menu, const wxString& title)
	303	{
	304	if ( !wxMenuBarBase::Replace(pos, menu, title) )
	305	return FALSE;
	306
	307	wxFAIL_MSG(wxT("TODO"));
	308
	309	return NULL;
	310	}
	311
	312	wxMenu *wxMenuBar::Remove(size_t pos)
	313	{
	314	wxMenu *menu = wxMenuBarBase::Remove(pos);
	315	if ( !menu )
	316	return NULL;
	317
	318	if ( m_menuBarFrame )
	319	menu->DestroyMenu(TRUE);
	320
	321	menu->SetMenuBar(NULL);
	322
	323	m_titles.Remove(pos);
	324
	325	return menu;
	326	}
	327
	328	// Find the menu menuString, item itemString, and return the item id.
	329	// Returns -1 if none found.
	330	int wxMenuBar::FindMenuItem (const wxString& menuString, const wxString& itemString) const
	331	{
	332	char buf1[200];
	333	char buf2[200];
	334	wxStripMenuCodes ((char )(const char )menuString, buf1);
	335
	336	size_t menuCount = GetMenuCount();
	337	for (size_t i = 0; i < menuCount; i++)
	338	{
	339	wxStripMenuCodes ((char )(const char )m_titles[i], buf2);
	340	if (strcmp (buf1, buf2) == 0)
	341	return m_menus[i]->FindItem (itemString);
	342	}
	343	return -1;
	344	}
	345
	346	wxMenuItem wxMenuBar::FindItem(int id, wxMenu * itemMenu) const
	347	{
	348	if (itemMenu)
	349	*itemMenu = NULL;
	350
	351	wxMenuItem *item = NULL;
	352	size_t menuCount = GetMenuCount();
	353	for (size_t i = 0; i < menuCount; i++)
	354	if ((item = m_menus[i]->FindItem(id, itemMenu)))
	355	return item;
	356	return NULL;
	357	}
	358
	359	// Create menubar
	360	bool wxMenuBar::CreateMenuBar(wxFrame* parent)
	361	{
	362	if (m_mainWidget)
	363	{
	364	XtVaSetValues((Widget) parent->GetMainWidget(), XmNmenuBar, (Widget) m_mainWidget, NULL);
	365	/*
	366	if (!XtIsManaged((Widget) m_mainWidget))
	367	XtManageChild((Widget) m_mainWidget);
	368	*/
	369	XtMapWidget((Widget) m_mainWidget);
	370	return TRUE;
	371	}
	372
	373	Widget menuBarW = XmCreateMenuBar ((Widget) parent->GetMainWidget(), "MenuBar", NULL, 0);
	374	m_mainWidget = (WXWidget) menuBarW;
	375
	376	size_t menuCount = GetMenuCount();
	377	for (size_t i = 0; i < menuCount; i++)
	378	{
	379	wxMenu *menu = GetMenu(i);
	380	wxString title(m_titles[i]);
	381	menu->SetButtonWidget(menu->CreateMenu (this, menuBarW, menu, title, TRUE));
	382
	383	if (strcmp (wxStripMenuCodes(title), "Help") == 0)
	384	XtVaSetValues ((Widget) menuBarW, XmNmenuHelpWidget, (Widget) menu->GetButtonWidget(), NULL);
	385
	386	// tear off menu support
	387	#if (XmVersion >= 1002)
	388	if ( menu->IsTearOff() )
	389	{
	390	XtVaSetValues(GetWidget(menu),
	391	XmNtearOffModel, XmTEAR_OFF_ENABLED,
	392	NULL);
	393	Widget tearOff = XmGetTearOffControl(GetWidget(menu));
	394	wxDoChangeForegroundColour((Widget) tearOff, m_foregroundColour);
	395	wxDoChangeBackgroundColour((Widget) tearOff, m_backgroundColour, TRUE);
	396	#endif
	397	}
	398	}
	399
	400	SetBackgroundColour(m_backgroundColour);
	401	SetForegroundColour(m_foregroundColour);
	402	SetFont(m_font);
	403
	404	XtVaSetValues((Widget) parent->GetMainWidget(), XmNmenuBar, (Widget) m_mainWidget, NULL);
	405	XtRealizeWidget ((Widget) menuBarW);
	406	XtManageChild ((Widget) menuBarW);
	407	SetMenuBarFrame(parent);
	408
	409	return TRUE;
	410	}
	411
	412	// Destroy menubar, but keep data structures intact so we can recreate it.
	413	bool wxMenuBar::DestroyMenuBar()
	414	{
	415	if (!m_mainWidget)
	416	{
	417	SetMenuBarFrame((wxFrame*) NULL);
	418	return FALSE;
	419	}
	420
	421	XtUnmanageChild ((Widget) m_mainWidget);
	422	XtUnrealizeWidget ((Widget) m_mainWidget);
	423
	424	size_t menuCount = GetMenuCount();
	425	for (size_t i = 0; i < menuCount; i++)
	426	{
	427	wxMenu *menu = GetMenu(i);
	428	menu->DestroyMenu(TRUE);
	429
	430	}
	431	XtDestroyWidget((Widget) m_mainWidget);
	432	m_mainWidget = (WXWidget) 0;
	433
	434	SetMenuBarFrame((wxFrame*) NULL);
	435
	436	return TRUE;
	437	}
	438
	439	//// Motif-specific
	440	static XtWorkProcId WorkProcMenuId;
	441
	442	/* Since PopupMenu under Motif stills grab right mouse button events
	443	* after it was closed, we need to delete the associated widgets to
	444	* allow next PopUpMenu to appear...
	445	*/
	446
	447	int PostDeletionOfMenu( XtPointer* clientData )
	448	{
	449	XtRemoveWorkProc(WorkProcMenuId);
	450	wxMenu menu = (wxMenu )clientData;
	451
	452	if (menu->GetMainWidget())
	453	{
	454	wxMenu *menuParent = menu->GetParent();
	455	if ( menuParent )
	456	{
	457	wxMenuItemList::Node *node = menuParent->GetMenuItems().GetFirst();
	458	while ( node )
	459	{
	460	if ( node->GetData()->GetSubMenu() == menu )
	461	{
	462	menuParent->GetMenuItems().DeleteNode(node);
	463
	464	break;
	465	}
	466
	467	node = node->GetNext();
	468	}
	469	}
	470
	471	menu->DestroyMenu(TRUE);
	472	}
	473
	474	// Mark as no longer popped up
	475	menu->m_menuId = -1;
	476
	477	return TRUE;
	478	}
	479
	480	void
	481	wxMenuPopdownCallback(Widget WXUNUSED(w), XtPointer clientData,
	482	XtPointer WXUNUSED(ptr))
	483	{
	484	wxMenu menu = (wxMenu )clientData;
	485
	486	// Added by JOREL Jean-Charles <jjorel@silr.ireste.fr>
	487	/* Since Callbacks of MenuItems are not yet processed, we put a
	488	* background job which will be done when system will be idle.
	489	* What awful hack!! :(
	490	*/
	491
	492	WorkProcMenuId = XtAppAddWorkProc(
	493	(XtAppContext) wxTheApp->GetAppContext(),
	494	(XtWorkProc) PostDeletionOfMenu,
	495	(XtPointer) menu );
	496	// Apparently not found in Motif headers
	497	// XtVaSetValues( w, XmNpopupEnabled, XmPOPUP_DISABLED, NULL );
	498	}
	499
	500	/*
	501	* Create a popup or pulldown menu.
	502	* Submenus of a popup will be pulldown.
	503	*
	504	*/
	505
	506	WXWidget wxMenu::CreateMenu (wxMenuBar * menuBar, WXWidget parent, wxMenu * topMenu, const wxString& title, bool pullDown)
	507	{
	508	Widget menu = (Widget) 0;
	509	Widget buttonWidget = (Widget) 0;
	510	Arg args[5];
	511	XtSetArg (args[0], XmNnumColumns, m_numColumns);
	512	XtSetArg (args[1], XmNpacking, XmPACK_COLUMN);
	513
	514	if (!pullDown)
	515	{
	516	menu = XmCreatePopupMenu ((Widget) parent, "popup", args, 2);
	517	XtAddCallback(menu,
	518	XmNunmapCallback,
	519	(XtCallbackProc)wxMenuPopdownCallback,
	520	(XtPointer)this);
	521	}
	522	else
	523	{
	524	char mnem = wxFindMnemonic (title);
	525	wxStripMenuCodes ((char) (const char) title, wxBuffer);
	526
	527	menu = XmCreatePulldownMenu ((Widget) parent, "pulldown", args, 2);
	528
	529	wxString title2(wxStripMenuCodes(title));
	530	wxXmString label_str(title2);
	531	buttonWidget = XtVaCreateManagedWidget(title2,
	532	#if wxUSE_GADGETS
	533	xmCascadeButtonGadgetClass, (Widget) parent,
	534	#else
	535	xmCascadeButtonWidgetClass, (Widget) parent,
	536	#endif
	537	XmNlabelString, label_str(),
	538	XmNsubMenuId, menu,
	539	NULL);
	540
	541	if (mnem != 0)
	542	XtVaSetValues (buttonWidget, XmNmnemonic, mnem, NULL);
	543	}
	544
	545	m_menuWidget = (WXWidget) menu;
	546
	547	m_menuBar = menuBar;
	548	m_topLevelMenu = topMenu;
	549
	550	for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
	551	node;
	552	node = node->GetNext() )
	553	{
	554	wxMenuItem *item = node->GetData();
	555
	556	item->CreateItem(menu, menuBar, topMenu);
	557	}
	558
	559	SetBackgroundColour(m_backgroundColour);
	560	SetForegroundColour(m_foregroundColour);
	561	SetFont(m_font);
	562
	563	return buttonWidget;
	564	}
	565
	566	// Destroys the Motif implementation of the menu,
	567	// but maintains the wxWindows data structures so we can
	568	// do a CreateMenu again.
	569	void wxMenu::DestroyMenu (bool full)
	570	{
	571	for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
	572	node;
	573	node = node->GetNext() )
	574	{
	575	wxMenuItem *item = node->GetData();
	576	item->SetMenuBar((wxMenuBar*) NULL);
	577
	578	item->DestroyItem(full);
	579	}
	580
	581	if (m_buttonWidget)
	582	{
	583	if (full)
	584	{
	585	XtVaSetValues((Widget) m_buttonWidget, XmNsubMenuId, NULL, NULL);
	586	XtDestroyWidget ((Widget) m_buttonWidget);
	587	m_buttonWidget = (WXWidget) 0;
	588	}
	589	}
	590	if (m_menuWidget && full)
	591	{
	592	XtDestroyWidget((Widget) m_menuWidget);
	593	m_menuWidget = (WXWidget) NULL;
	594	}
	595	}
	596
	597	WXWidget wxMenu::FindMenuItem (int id, wxMenuItem ** it) const
	598	{
	599	if (id == m_menuId)
	600	{
	601	if (it)
	602	it = (wxMenuItem) NULL;
	603	return m_buttonWidget;
	604	}
	605
	606	for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
	607	node;
	608	node = node->GetNext() )
	609	{
	610	wxMenuItem *item = node->GetData ();
	611	if (item->GetId() == id)
	612	{
	613	if (it)
	614	*it = item;
	615	return item->GetButtonWidget();
	616	}
	617
	618	if (item->GetSubMenu())
	619	{
	620	WXWidget w = item->GetSubMenu()->FindMenuItem (id, it);
	621	if (w)
	622	{
	623	return w;
	624	}
	625	}
	626	}
	627
	628	if (it)
	629	it = (wxMenuItem) NULL;
	630	return (WXWidget) NULL;
	631	}
	632
	633	void wxMenu::SetBackgroundColour(const wxColour& col)
	634	{
	635	m_backgroundColour = col;
	636	if (m_menuWidget)
	637	wxDoChangeBackgroundColour(m_menuWidget, (wxColour&) col);
	638	if (m_buttonWidget)
	639	wxDoChangeBackgroundColour(m_buttonWidget, (wxColour&) col, TRUE);
	640
	641	for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
	642	node;
	643	node = node->GetNext() )
	644	{
	645	wxMenuItem* item = node->GetData();
	646	if (item->GetButtonWidget())
	647	{
	648	// This crashes because it uses gadgets
	649	// wxDoChangeBackgroundColour(item->GetButtonWidget(), (wxColour&) col, TRUE);
	650	}
	651	if (item->GetSubMenu())
	652	item->GetSubMenu()->SetBackgroundColour((wxColour&) col);
	653	}
	654	}
	655
	656	void wxMenu::SetForegroundColour(const wxColour& col)
	657	{
	658	m_foregroundColour = col;
	659	if (m_menuWidget)
	660	wxDoChangeForegroundColour(m_menuWidget, (wxColour&) col);
	661	if (m_buttonWidget)
	662	wxDoChangeForegroundColour(m_buttonWidget, (wxColour&) col);
	663
	664	for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
	665	node;
	666	node = node->GetNext() )
	667	{
	668	wxMenuItem* item = node->GetData();
	669	if (item->GetButtonWidget())
	670	{
	671	// This crashes because it uses gadgets
	672	// wxDoChangeForegroundColour(item->GetButtonWidget(), (wxColour&) col);
	673	}
	674	if (item->GetSubMenu())
	675	item->GetSubMenu()->SetForegroundColour((wxColour&) col);
	676	}
	677	}
	678
	679	void wxMenu::ChangeFont(bool keepOriginalSize)
	680	{
	681	// lesstif 0.87 hangs when setting XmNfontList
	682	#ifndef LESSTIF_VERSION
	683	if (!m_font.Ok() \|\| !m_menuWidget)
	684	return;
	685
	686	XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_menuWidget));
	687
	688	XtVaSetValues ((Widget) m_menuWidget,
	689	XmNfontList, fontList,
	690	NULL);
	691	if (m_buttonWidget)
	692	{
	693	XtVaSetValues ((Widget) m_buttonWidget,
	694	XmNfontList, fontList,
	695	NULL);
	696	}
	697
	698	for ( wxMenuItemList::Node *node = GetMenuItems().GetFirst();
	699	node;
	700	node = node->GetNext() )
	701	{
	702	wxMenuItem* item = node->GetData();
	703	if (m_menuWidget && item->GetButtonWidget() && m_font.Ok())
	704	{
	705	XtVaSetValues ((Widget) item->GetButtonWidget(),
	706	XmNfontList, fontList,
	707	NULL);
	708	}
	709	if (item->GetSubMenu())
	710	item->GetSubMenu()->ChangeFont(keepOriginalSize);
	711	}
	712	#endif
	713	}
	714
	715	void wxMenu::SetFont(const wxFont& font)
	716	{
	717	m_font = font;
	718	ChangeFont();
	719	}
	720
	721	bool wxMenuBar::SetBackgroundColour(const wxColour& col)
	722	{
	723	m_backgroundColour = col;
	724	if (m_mainWidget)
	725	wxDoChangeBackgroundColour(m_mainWidget, (wxColour&) col);
	726
	727	size_t menuCount = GetMenuCount();
	728	for (size_t i = 0; i < menuCount; i++)
	729	m_menus[i]->SetBackgroundColour((wxColour&) col);
	730
	731	return TRUE;
	732	}
	733
	734	bool wxMenuBar::SetForegroundColour(const wxColour& col)
	735	{
	736	m_foregroundColour = col;
	737	if (m_mainWidget)
	738	wxDoChangeForegroundColour(m_mainWidget, (wxColour&) col);
	739
	740	size_t menuCount = GetMenuCount();
	741	for (size_t i = 0; i < menuCount; i++)
	742	m_menus[i]->SetForegroundColour((wxColour&) col);
	743
	744	return TRUE;
	745	}
	746
	747	void wxMenuBar::ChangeFont(bool WXUNUSED(keepOriginalSize))
	748	{
	749	// Nothing to do for menubar, fonts are kept in wxMenus
	750	}
	751
	752	bool wxMenuBar::SetFont(const wxFont& font)
	753	{
	754	m_font = font;
	755	ChangeFont();
	756
	757	size_t menuCount = GetMenuCount();
	758	for (size_t i = 0; i < menuCount; i++)
	759	m_menus[i]->SetFont(font);
	760
	761	return TRUE;
	762	}
	763