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"

#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>

#include "wx/motif/private.h"

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

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
#endif

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