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
// ============================================================================

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
    #pragma implementation "menu.h"
#endif

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

#include "wx/defs.h"

#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
#define XtDisplay XTDISPLAY
#define XtWindow XTWINDOW
#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::GetColour(wxSYS_COLOUR_MENU);
    m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUTEXT);
    m_font = wxSystemSettings::GetFont(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
wxMenuItem* 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);
}

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

    wxFAIL_MSG(wxT("DoInsert not implemented; or error in wxMenuBase::DoInsert"));

    return NULL;
}

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

    wxMenuItemList::compatibility_iterator 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::GetColour(wxSYS_COLOUR_MENU);
    m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUTEXT);
    m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
}

wxMenuBar::wxMenuBar(int n, wxMenu *menus[], const wxArrayString& titles)
{
    wxASSERT( size_t(n) == titles.GetCount() );

    Init();

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

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

            return wxXmStringToString( text );
        }
    }

    return wxEmptyString;
}

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 NULL;

    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.RemoveAt(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 (wxConstCast(menuString.c_str(), char), buf1);

    size_t menuCount = GetMenuCount();
    for (size_t i = 0; i < menuCount; i++)
    {
        wxStripMenuCodes (wxConstCast(m_titles[i].c_str(), char), buf2);
        if (strcmp (buf1, buf2) == 0)
            return m_menus.Item(i)->GetData()->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.Item(i)->GetData()->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;
}

// 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...
void wxMenu::DestroyWidgetAndDetach()
{
    if (GetMainWidget())
    {
        wxMenu *menuParent = GetParent();
        if ( menuParent )
        {
            wxMenuItemList::compatibility_iterator node = menuParent->GetMenuItems().GetFirst();
            while ( node )
            {
                if ( node->GetData()->GetSubMenu() == this )
                {
                    delete node->GetData();
                    menuParent->GetMenuItems().Erase(node);

                    break;
                }

                node = node->GetNext();
            }
        }

        DestroyMenu(TRUE);
    }

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

/*
* 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, (m_numColumns > 1) ? XmPACK_COLUMN : XmPACK_TIGHT);

    if (!pullDown)
    {
        menu = XmCreatePopupMenu ((Widget) parent, "popup", args, 2);
#if 0
        XtAddCallback(menu,
            XmNunmapCallback,
            (XtCallbackProc)wxMenuPopdownCallback,
            (XtPointer)this);
#endif
    }
    else
    {
        char mnem = wxFindMnemonic (title);
        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::compatibility_iterator 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::compatibility_iterator 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::compatibility_iterator 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::compatibility_iterator 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::compatibility_iterator 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 here, but 0.93 does not
#if !wxCHECK_LESSTIF() || wxCHECK_LESSTIF_VERSION( 0, 93 )
    if (!m_font.Ok() || !m_menuWidget)
        return;

    WXFontType fontType = m_font.GetFontType(XtDisplay((Widget) m_menuWidget));

    XtVaSetValues ((Widget) m_menuWidget,
                   wxFont::GetFontTag(), fontType,
                   NULL);
    if (m_buttonWidget)
    {
        XtVaSetValues ((Widget) m_buttonWidget,
                       wxFont::GetFontTag(), fontType,
                       NULL);
    }

    for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
          node;
          node = node->GetNext() )
    {
        wxMenuItem* item = node->GetData();
        if (m_menuWidget && item->GetButtonWidget() && m_font.Ok())
        {
            XtVaSetValues ((Widget) item->GetButtonWidget(),
                           wxFont::GetFontTag(), fontType,
                           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.Item(i)->GetData()->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.Item(i)->GetData()->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.Item(i)->GetData()->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	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
	18	#pragma implementation "menu.h"
	19	#endif
	20
	21	// ----------------------------------------------------------------------------
	22	// headers
	23	// ----------------------------------------------------------------------------
	24
	25	#include "wx/defs.h"
	26
	27	#include "wx/menu.h"
	28	#include "wx/menuitem.h"
	29	#include "wx/log.h"
	30	#include "wx/utils.h"
	31	#include "wx/app.h"
	32	#include "wx/frame.h"
	33	#include "wx/settings.h"
	34
	35	#ifdef __VMS__
	36	#pragma message disable nosimpint
	37	#define XtDisplay XTDISPLAY
	38	#define XtWindow XTWINDOW
	39	#endif
	40	#include <Xm/Label.h>
	41	#include <Xm/LabelG.h>
	42	#include <Xm/CascadeBG.h>
	43	#include <Xm/CascadeB.h>
	44	#include <Xm/SeparatoG.h>
	45	#include <Xm/PushBG.h>
	46	#include <Xm/ToggleB.h>
	47	#include <Xm/ToggleBG.h>
	48	#include <Xm/RowColumn.h>
	49	#ifdef __VMS__
	50	#pragma message enable nosimpint
	51	#endif
	52
	53	#include "wx/motif/private.h"
	54
	55	// other standard headers
	56	#include <string.h>
	57
	58	IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
	59	IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
	60
	61	// ============================================================================
	62	// implementation
	63	// ============================================================================
	64
	65	// ----------------------------------------------------------------------------
	66	// Menus
	67	// ----------------------------------------------------------------------------
	68
	69	// Construct a menu with optional title (then use append)
	70	void wxMenu::Init()
	71	{
	72	// Motif-specific members
	73	m_numColumns = 1;
	74	m_menuWidget = (WXWidget) NULL;
	75	m_popupShell = (WXWidget) NULL;
	76	m_buttonWidget = (WXWidget) NULL;
	77	m_menuId = 0;
	78	m_topLevelMenu = (wxMenu*) NULL;
	79	m_ownedByMenuBar = FALSE;
	80
	81	if ( !!m_title )
	82	{
	83	Append(wxID_SEPARATOR, m_title) ;
	84	AppendSeparator() ;
	85	}
	86
	87	m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_MENU);
	88	m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUTEXT);
	89	m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
	90	}
	91
	92	// The wxWindow destructor will take care of deleting the submenus.
	93	wxMenu::~wxMenu()
	94	{
	95	if (m_menuWidget)
	96	{
	97	if (m_menuParent)
	98	DestroyMenu(TRUE);
	99	else
	100	DestroyMenu(FALSE);
	101	}
	102
	103	// Not sure if this is right
	104	if (m_menuParent && m_menuBar)
	105	{
	106	m_menuParent = NULL;
	107	// m_menuBar = NULL;
	108	}
	109	}
	110
	111	void wxMenu::Break()
	112	{
	113	m_numColumns++;
	114	}
	115
	116	// function appends a new item or submenu to the menu
	117	wxMenuItem* wxMenu::DoAppend(wxMenuItem *pItem)
	118	{
	119	if (m_menuWidget)
	120	{
	121	// this is a dynamic Append
	122	pItem->CreateItem(m_menuWidget, m_menuBar, m_topLevelMenu);
	123	}
	124
	125	if ( pItem->IsSubMenu() )
	126	{
	127	pItem->GetSubMenu()->m_topLevelMenu = m_topLevelMenu;
	128	}
	129
	130	return wxMenuBase::DoAppend(pItem);
	131	}
	132
	133	wxMenuItem wxMenu::DoRemove(wxMenuItem item)
	134	{
	135	item->DestroyItem(TRUE);
	136
	137	return wxMenuBase::DoRemove(item);
	138	}
	139
	140	wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
	141	{
	142	if ( wxMenuBase::DoInsert(pos, item) )
	143	return item;
	144
	145	wxFAIL_MSG(wxT("DoInsert not implemented; or error in wxMenuBase::DoInsert"));
	146
	147	return NULL;
	148	}
	149
	150	void wxMenu::SetTitle(const wxString& label)
	151	{
	152	m_title = label;
	153
	154	wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
	155	if ( !node )
	156	return;
	157
	158	wxMenuItem *item = node->GetData ();
	159	Widget widget = (Widget) item->GetButtonWidget();
	160	if ( !widget )
	161	return;
	162
	163	wxXmString title_str(label);
	164	XtVaSetValues(widget,
	165	XmNlabelString, title_str(),
	166	NULL);
	167	}
	168
	169	bool wxMenu::ProcessCommand(wxCommandEvent & event)
	170	{
	171	bool processed = FALSE;
	172
	173	#if wxUSE_MENU_CALLBACK
	174	// Try a callback
	175	if (m_callback)
	176	{
	177	(void) ((m_callback)) (this, event);
	178	processed = TRUE;
	179	}
	180	#endif // wxUSE_MENU_CALLBACK
	181
	182	// Try the menu's event handler
	183	if ( !processed && GetEventHandler())
	184	{
	185	processed = GetEventHandler()->ProcessEvent(event);
	186	}
	187	// Try the window the menu was popped up from (and up
	188	// through the hierarchy)
	189	if ( !processed && GetInvokingWindow())
	190	processed = GetInvokingWindow()->ProcessEvent(event);
	191
	192	return processed;
	193	}
	194
	195	// ----------------------------------------------------------------------------
	196	// Menu Bar
	197	// ----------------------------------------------------------------------------
	198
	199	void wxMenuBar::Init()
	200	{
	201	m_eventHandler = this;
	202	m_menuBarFrame = NULL;
	203	m_mainWidget = (WXWidget) NULL;
	204	m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_MENU);
	205	m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUTEXT);
	206	m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
	207	}
	208
	209	wxMenuBar::wxMenuBar(int n, wxMenu *menus[], const wxArrayString& titles)
	210	{
	211	wxASSERT( size_t(n) == titles.GetCount() );
	212
	213	Init();
	214
	215	m_titles = titles;
	216	for ( int i = 0; i < n; i++ )
	217	m_menus.Append(menus[i]);
	218	}
	219
	220	wxMenuBar::wxMenuBar(int n, wxMenu *menus[], const wxString titles[])
	221	{
	222	Init();
	223
	224	for ( int i = 0; i < n; i++ )
	225	{
	226	m_menus.Append(menus[i]);
	227	m_titles.Add(titles[i]);
	228	}
	229	}
	230
	231	wxMenuBar::~wxMenuBar()
	232	{
	233	// nothing to do: wxMenuBarBase will delete the menus
	234	}
	235
	236	void wxMenuBar::EnableTop(size_t WXUNUSED(pos), bool WXUNUSED(flag))
	237	{
	238	// wxFAIL_MSG("TODO");
	239	// wxLogWarning("wxMenuBar::EnableTop not yet implemented.");
	240	}
	241
	242	void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
	243	{
	244	wxMenu *menu = GetMenu(pos);
	245	if ( !menu )
	246	return;
	247
	248	Widget w = (Widget)menu->GetButtonWidget();
	249	if (w)
	250	{
	251	wxXmString label_str(label);
	252
	253	XtVaSetValues(w,
	254	XmNlabelString, label_str(),
	255	NULL);
	256	}
	257	}
	258
	259	wxString wxMenuBar::GetLabelTop(size_t pos) const
	260	{
	261	wxMenu *menu = GetMenu(pos);
	262	if ( menu )
	263	{
	264	Widget w = (Widget)menu->GetButtonWidget();
	265	if (w)
	266	{
	267	XmString text;
	268	XtVaGetValues(w,
	269	XmNlabelString, &text,
	270	NULL);
	271
	272	return wxXmStringToString( text );
	273	}
	274	}
	275
	276	return wxEmptyString;
	277	}
	278
	279	bool wxMenuBar::Append(wxMenu * menu, const wxString& title)
	280	{
	281	wxCHECK_MSG( menu, FALSE, wxT("invalid menu") );
	282	wxCHECK_MSG( !menu->GetParent() && !menu->GetButtonWidget(), FALSE,
	283	wxT("menu already appended") );
	284
	285	if ( m_menuBarFrame )
	286	{
	287	WXWidget w = menu->CreateMenu(this, GetMainWidget(), menu, title, TRUE);
	288	wxCHECK_MSG( w, FALSE, wxT("failed to create menu") );
	289	menu->SetButtonWidget(w);
	290	}
	291
	292	//menu->SetMenuBar(this);
	293
	294	m_titles.Add(title);
	295
	296	return wxMenuBarBase::Append(menu, title);
	297	}
	298
	299	bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
	300	{
	301	if ( !wxMenuBarBase::Insert(pos, menu, title) )
	302	return FALSE;
	303
	304	wxFAIL_MSG(wxT("TODO"));
	305
	306	return FALSE;
	307	}
	308
	309	wxMenu wxMenuBar::Replace(size_t pos, wxMenu menu, const wxString& title)
	310	{
	311	if ( !wxMenuBarBase::Replace(pos, menu, title) )
	312	return NULL;
	313
	314	wxFAIL_MSG(wxT("TODO"));
	315
	316	return NULL;
	317	}
	318
	319	wxMenu *wxMenuBar::Remove(size_t pos)
	320	{
	321	wxMenu *menu = wxMenuBarBase::Remove(pos);
	322	if ( !menu )
	323	return NULL;
	324
	325	if ( m_menuBarFrame )
	326	menu->DestroyMenu(TRUE);
	327
	328	menu->SetMenuBar(NULL);
	329
	330	m_titles.RemoveAt(pos);
	331
	332	return menu;
	333	}
	334
	335	// Find the menu menuString, item itemString, and return the item id.
	336	// Returns -1 if none found.
	337	int wxMenuBar::FindMenuItem (const wxString& menuString, const wxString& itemString) const
	338	{
	339	char buf1[200];
	340	char buf2[200];
	341	wxStripMenuCodes (wxConstCast(menuString.c_str(), char), buf1);
	342
	343	size_t menuCount = GetMenuCount();
	344	for (size_t i = 0; i < menuCount; i++)
	345	{
	346	wxStripMenuCodes (wxConstCast(m_titles[i].c_str(), char), buf2);
	347	if (strcmp (buf1, buf2) == 0)
	348	return m_menus.Item(i)->GetData()->FindItem (itemString);
	349	}
	350	return -1;
	351	}
	352
	353	wxMenuItem wxMenuBar::FindItem(int id, wxMenu * itemMenu) const
	354	{
	355	if (itemMenu)
	356	*itemMenu = NULL;
	357
	358	wxMenuItem *item = NULL;
	359	size_t menuCount = GetMenuCount();
	360	for (size_t i = 0; i < menuCount; i++)
	361	if ((item = m_menus.Item(i)->GetData()->FindItem(id, itemMenu)))
	362	return item;
	363	return NULL;
	364	}
	365
	366	// Create menubar
	367	bool wxMenuBar::CreateMenuBar(wxFrame* parent)
	368	{
	369	if (m_mainWidget)
	370	{
	371	XtVaSetValues((Widget) parent->GetMainWidget(), XmNmenuBar, (Widget) m_mainWidget, NULL);
	372	/*
	373	if (!XtIsManaged((Widget) m_mainWidget))
	374	XtManageChild((Widget) m_mainWidget);
	375	*/
	376	XtMapWidget((Widget) m_mainWidget);
	377	return TRUE;
	378	}
	379
	380	Widget menuBarW = XmCreateMenuBar ((Widget) parent->GetMainWidget(), "MenuBar", NULL, 0);
	381	m_mainWidget = (WXWidget) menuBarW;
	382
	383	size_t menuCount = GetMenuCount();
	384	for (size_t i = 0; i < menuCount; i++)
	385	{
	386	wxMenu *menu = GetMenu(i);
	387	wxString title(m_titles[i]);
	388	menu->SetButtonWidget(menu->CreateMenu (this, menuBarW, menu, title, TRUE));
	389
	390	if (strcmp (wxStripMenuCodes(title), "Help") == 0)
	391	XtVaSetValues ((Widget) menuBarW, XmNmenuHelpWidget, (Widget) menu->GetButtonWidget(), NULL);
	392
	393	// tear off menu support
	394	#if (XmVersion >= 1002)
	395	if ( menu->IsTearOff() )
	396	{
	397	XtVaSetValues(GetWidget(menu),
	398	XmNtearOffModel, XmTEAR_OFF_ENABLED,
	399	NULL);
	400	Widget tearOff = XmGetTearOffControl(GetWidget(menu));
	401	wxDoChangeForegroundColour((Widget) tearOff, m_foregroundColour);
	402	wxDoChangeBackgroundColour((Widget) tearOff, m_backgroundColour, TRUE);
	403	#endif
	404	}
	405	}
	406
	407	SetBackgroundColour(m_backgroundColour);
	408	SetForegroundColour(m_foregroundColour);
	409	SetFont(m_font);
	410
	411	XtVaSetValues((Widget) parent->GetMainWidget(), XmNmenuBar, (Widget) m_mainWidget, NULL);
	412	XtRealizeWidget ((Widget) menuBarW);
	413	XtManageChild ((Widget) menuBarW);
	414	SetMenuBarFrame(parent);
	415
	416	return TRUE;
	417	}
	418
	419	// Destroy menubar, but keep data structures intact so we can recreate it.
	420	bool wxMenuBar::DestroyMenuBar()
	421	{
	422	if (!m_mainWidget)
	423	{
	424	SetMenuBarFrame((wxFrame*) NULL);
	425	return FALSE;
	426	}
	427
	428	XtUnmanageChild ((Widget) m_mainWidget);
	429	XtUnrealizeWidget ((Widget) m_mainWidget);
	430
	431	size_t menuCount = GetMenuCount();
	432	for (size_t i = 0; i < menuCount; i++)
	433	{
	434	wxMenu *menu = GetMenu(i);
	435	menu->DestroyMenu(TRUE);
	436
	437	}
	438	XtDestroyWidget((Widget) m_mainWidget);
	439	m_mainWidget = (WXWidget) 0;
	440
	441	SetMenuBarFrame((wxFrame*) NULL);
	442
	443	return TRUE;
	444	}
	445
	446	// Since PopupMenu under Motif stills grab right mouse button events
	447	// after it was closed, we need to delete the associated widgets to
	448	// allow next PopUpMenu to appear...
	449	void wxMenu::DestroyWidgetAndDetach()
	450	{
	451	if (GetMainWidget())
	452	{
	453	wxMenu *menuParent = GetParent();
	454	if ( menuParent )
	455	{
	456	wxMenuItemList::compatibility_iterator node = menuParent->GetMenuItems().GetFirst();
	457	while ( node )
	458	{
	459	if ( node->GetData()->GetSubMenu() == this )
	460	{
	461	delete node->GetData();
	462	menuParent->GetMenuItems().Erase(node);
	463
	464	break;
	465	}
	466
	467	node = node->GetNext();
	468	}
	469	}
	470
	471	DestroyMenu(TRUE);
	472	}
	473
	474	// Mark as no longer popped up
	475	m_menuId = -1;
	476	}
	477
	478	/*
	479	* Create a popup or pulldown menu.
	480	* Submenus of a popup will be pulldown.
	481	*
	482	*/
	483
	484	WXWidget wxMenu::CreateMenu (wxMenuBar * menuBar, WXWidget parent, wxMenu * topMenu, const wxString& title, bool pullDown)
	485	{
	486	Widget menu = (Widget) 0;
	487	Widget buttonWidget = (Widget) 0;
	488	Arg args[5];
	489	XtSetArg (args[0], XmNnumColumns, m_numColumns);
	490	XtSetArg (args[1], XmNpacking, (m_numColumns > 1) ? XmPACK_COLUMN : XmPACK_TIGHT);
	491
	492	if (!pullDown)
	493	{
	494	menu = XmCreatePopupMenu ((Widget) parent, "popup", args, 2);
	495	#if 0
	496	XtAddCallback(menu,
	497	XmNunmapCallback,
	498	(XtCallbackProc)wxMenuPopdownCallback,
	499	(XtPointer)this);
	500	#endif
	501	}
	502	else
	503	{
	504	char mnem = wxFindMnemonic (title);
	505	menu = XmCreatePulldownMenu ((Widget) parent, "pulldown", args, 2);
	506
	507	wxString title2(wxStripMenuCodes(title));
	508	wxXmString label_str(title2);
	509	buttonWidget = XtVaCreateManagedWidget(title2,
	510	#if wxUSE_GADGETS
	511	xmCascadeButtonGadgetClass, (Widget) parent,
	512	#else
	513	xmCascadeButtonWidgetClass, (Widget) parent,
	514	#endif
	515	XmNlabelString, label_str(),
	516	XmNsubMenuId, menu,
	517	NULL);
	518
	519	if (mnem != 0)
	520	XtVaSetValues (buttonWidget, XmNmnemonic, mnem, NULL);
	521	}
	522
	523	m_menuWidget = (WXWidget) menu;
	524
	525	m_menuBar = menuBar;
	526	m_topLevelMenu = topMenu;
	527
	528	for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
	529	node;
	530	node = node->GetNext() )
	531	{
	532	wxMenuItem *item = node->GetData();
	533
	534	item->CreateItem(menu, menuBar, topMenu);
	535	}
	536
	537	SetBackgroundColour(m_backgroundColour);
	538	SetForegroundColour(m_foregroundColour);
	539	SetFont(m_font);
	540
	541	return buttonWidget;
	542	}
	543
	544	// Destroys the Motif implementation of the menu,
	545	// but maintains the wxWindows data structures so we can
	546	// do a CreateMenu again.
	547	void wxMenu::DestroyMenu (bool full)
	548	{
	549	for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
	550	node;
	551	node = node->GetNext() )
	552	{
	553	wxMenuItem *item = node->GetData();
	554	item->SetMenuBar((wxMenuBar*) NULL);
	555
	556	item->DestroyItem(full);
	557	}
	558
	559	if (m_buttonWidget)
	560	{
	561	if (full)
	562	{
	563	XtVaSetValues((Widget) m_buttonWidget, XmNsubMenuId, NULL, NULL);
	564	XtDestroyWidget ((Widget) m_buttonWidget);
	565	m_buttonWidget = (WXWidget) 0;
	566	}
	567	}
	568	if (m_menuWidget && full)
	569	{
	570	XtDestroyWidget((Widget) m_menuWidget);
	571	m_menuWidget = (WXWidget) NULL;
	572	}
	573	}
	574
	575	WXWidget wxMenu::FindMenuItem (int id, wxMenuItem ** it) const
	576	{
	577	if (id == m_menuId)
	578	{
	579	if (it)
	580	it = (wxMenuItem) NULL;
	581	return m_buttonWidget;
	582	}
	583
	584	for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
	585	node;
	586	node = node->GetNext() )
	587	{
	588	wxMenuItem *item = node->GetData ();
	589	if (item->GetId() == id)
	590	{
	591	if (it)
	592	*it = item;
	593	return item->GetButtonWidget();
	594	}
	595
	596	if (item->GetSubMenu())
	597	{
	598	WXWidget w = item->GetSubMenu()->FindMenuItem (id, it);
	599	if (w)
	600	{
	601	return w;
	602	}
	603	}
	604	}
	605
	606	if (it)
	607	it = (wxMenuItem) NULL;
	608	return (WXWidget) NULL;
	609	}
	610
	611	void wxMenu::SetBackgroundColour(const wxColour& col)
	612	{
	613	m_backgroundColour = col;
	614	if (m_menuWidget)
	615	wxDoChangeBackgroundColour(m_menuWidget, (wxColour&) col);
	616	if (m_buttonWidget)
	617	wxDoChangeBackgroundColour(m_buttonWidget, (wxColour&) col, TRUE);
	618
	619	for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
	620	node;
	621	node = node->GetNext() )
	622	{
	623	wxMenuItem* item = node->GetData();
	624	if (item->GetButtonWidget())
	625	{
	626	// This crashes because it uses gadgets
	627	// wxDoChangeBackgroundColour(item->GetButtonWidget(), (wxColour&) col, TRUE);
	628	}
	629	if (item->GetSubMenu())
	630	item->GetSubMenu()->SetBackgroundColour((wxColour&) col);
	631	}
	632	}
	633
	634	void wxMenu::SetForegroundColour(const wxColour& col)
	635	{
	636	m_foregroundColour = col;
	637	if (m_menuWidget)
	638	wxDoChangeForegroundColour(m_menuWidget, (wxColour&) col);
	639	if (m_buttonWidget)
	640	wxDoChangeForegroundColour(m_buttonWidget, (wxColour&) col);
	641
	642	for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
	643	node;
	644	node = node->GetNext() )
	645	{
	646	wxMenuItem* item = node->GetData();
	647	if (item->GetButtonWidget())
	648	{
	649	// This crashes because it uses gadgets
	650	// wxDoChangeForegroundColour(item->GetButtonWidget(), (wxColour&) col);
	651	}
	652	if (item->GetSubMenu())
	653	item->GetSubMenu()->SetForegroundColour((wxColour&) col);
	654	}
	655	}
	656
	657	void wxMenu::ChangeFont(bool keepOriginalSize)
	658	{
	659	// Lesstif 0.87 hangs here, but 0.93 does not
	660	#if !wxCHECK_LESSTIF() \|\| wxCHECK_LESSTIF_VERSION( 0, 93 )
	661	if (!m_font.Ok() \|\| !m_menuWidget)
	662	return;
	663
	664	WXFontType fontType = m_font.GetFontType(XtDisplay((Widget) m_menuWidget));
	665
	666	XtVaSetValues ((Widget) m_menuWidget,
	667	wxFont::GetFontTag(), fontType,
	668	NULL);
	669	if (m_buttonWidget)
	670	{
	671	XtVaSetValues ((Widget) m_buttonWidget,
	672	wxFont::GetFontTag(), fontType,
	673	NULL);
	674	}
	675
	676	for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
	677	node;
	678	node = node->GetNext() )
	679	{
	680	wxMenuItem* item = node->GetData();
	681	if (m_menuWidget && item->GetButtonWidget() && m_font.Ok())
	682	{
	683	XtVaSetValues ((Widget) item->GetButtonWidget(),
	684	wxFont::GetFontTag(), fontType,
	685	NULL);
	686	}
	687	if (item->GetSubMenu())
	688	item->GetSubMenu()->ChangeFont(keepOriginalSize);
	689	}
	690	#endif
	691	}
	692
	693	void wxMenu::SetFont(const wxFont& font)
	694	{
	695	m_font = font;
	696	ChangeFont();
	697	}
	698
	699	bool wxMenuBar::SetBackgroundColour(const wxColour& col)
	700	{
	701	m_backgroundColour = col;
	702	if (m_mainWidget)
	703	wxDoChangeBackgroundColour(m_mainWidget, (wxColour&) col);
	704
	705	size_t menuCount = GetMenuCount();
	706	for (size_t i = 0; i < menuCount; i++)
	707	m_menus.Item(i)->GetData()->SetBackgroundColour((wxColour&) col);
	708
	709	return TRUE;
	710	}
	711
	712	bool wxMenuBar::SetForegroundColour(const wxColour& col)
	713	{
	714	m_foregroundColour = col;
	715	if (m_mainWidget)
	716	wxDoChangeForegroundColour(m_mainWidget, (wxColour&) col);
	717
	718	size_t menuCount = GetMenuCount();
	719	for (size_t i = 0; i < menuCount; i++)
	720	m_menus.Item(i)->GetData()->SetForegroundColour((wxColour&) col);
	721
	722	return TRUE;
	723	}
	724
	725	void wxMenuBar::ChangeFont(bool WXUNUSED(keepOriginalSize))
	726	{
	727	// Nothing to do for menubar, fonts are kept in wxMenus
	728	}
	729
	730	bool wxMenuBar::SetFont(const wxFont& font)
	731	{
	732	m_font = font;
	733	ChangeFont();
	734
	735	size_t menuCount = GetMenuCount();
	736	for (size_t i = 0; i < menuCount; i++)
	737	m_menus.Item(i)->GetData()->SetFont(font);
	738
	739	return TRUE;
	740	}
	741