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572 lines
16 KiB
572 lines
16 KiB
/* This file is part of the KDE libraries
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Copyright (C) 1997, 1998, 1999, 2000 Sven Radej (radej@kde.org)
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Copyright (C) 1997, 1998, 1999, 2000 Matthias Ettrich (ettrich@kde.org)
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Copyright (C) 1999, 2000 Daniel "Mosfet" Duley (mosfet@kde.org)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDE_MENUITEM_DEF
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#define INCLUDE_MENUITEM_DEF
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#endif
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#include "config.h"
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#include <tqevent.h>
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#include <tqobjectlist.h>
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#include <tqaccel.h>
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#include <tqpainter.h>
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#include <tqstyle.h>
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#include <tqtimer.h>
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#include <tdeconfig.h>
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#include <tdeglobalsettings.h>
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#include <tdemenubar.h>
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#include <tdeapplication.h>
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#include <tdeglobal.h>
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#include <kdebug.h>
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#include <kmanagerselection.h>
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#ifdef TQ_WS_X11
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#include <twin.h>
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#include <twinmodule.h>
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#include <qxembed.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#ifndef None
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#define None 0L
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#endif
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#endif
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/*
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Toplevel menubar (not for the fallback size handling done by itself):
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- should not alter position or set strut
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- every toplevel must have at most one matching topmenu
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- embedder won't allow shrinking below a certain size
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- must have WM_TRANSIENT_FOR pointing the its mainwindow
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- the exception is desktop's menubar, which can be transient for root window
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because of using root window as the desktop window
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- Fitts' Law
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*/
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class KMenuBar::KMenuBarPrivate
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{
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public:
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KMenuBarPrivate()
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: forcedTopLevel( false ),
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topLevel( false ),
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wasTopLevel( false ),
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#ifdef TQ_WS_X11
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selection( NULL ),
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#endif
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min_size( 0, 0 )
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{
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}
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~KMenuBarPrivate()
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{
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#ifdef TQ_WS_X11
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delete selection;
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#endif
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}
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bool forcedTopLevel;
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bool topLevel;
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bool wasTopLevel; // when TLW is fullscreen, remember state
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int frameStyle; // only valid in toplevel mode
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int lineWidth; // dtto
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int margin; // dtto
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bool fallback_mode; // dtto
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#ifdef TQ_WS_X11
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TDESelectionWatcher* selection;
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#endif
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TQTimer selection_timer;
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TQSize min_size;
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static Atom makeSelectionAtom();
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};
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#ifdef TQ_WS_X11
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static Atom selection_atom = None;
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static Atom msg_type_atom = None;
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static
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void initAtoms()
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{
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char nm[ 100 ];
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sprintf( nm, "_KDE_TOPMENU_OWNER_S%d", DefaultScreen( tqt_xdisplay()));
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char nm2[] = "_KDE_TOPMENU_MINSIZE";
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char* names[ 2 ] = { nm, nm2 };
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Atom atoms[ 2 ];
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XInternAtoms( tqt_xdisplay(), names, 2, False, atoms );
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selection_atom = atoms[ 0 ];
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msg_type_atom = atoms[ 1 ];
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}
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#endif
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Atom KMenuBar::KMenuBarPrivate::makeSelectionAtom()
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{
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#ifdef TQ_WS_X11
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if( selection_atom == None )
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initAtoms();
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return selection_atom;
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#else
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return 0;
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#endif
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}
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KMenuBar::KMenuBar(TQWidget *parent, const char *name)
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: TQMenuBar(parent, name)
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{
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#ifdef TQ_WS_X11
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QXEmbed::initialize();
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#endif
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d = new KMenuBarPrivate;
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connect( &d->selection_timer, TQ_SIGNAL( timeout()),
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this, TQ_SLOT( selectionTimeout()));
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connect( tqApp->desktop(), TQ_SIGNAL( resized( int )), TQ_SLOT( updateFallbackSize()));
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if ( kapp )
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// toolbarAppearanceChanged(int) is sent when changing macstyle
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connect( kapp, TQ_SIGNAL(toolbarAppearanceChanged(int)),
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this, TQ_SLOT(slotReadConfig()));
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slotReadConfig();
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}
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KMenuBar::~KMenuBar()
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{
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delete d;
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}
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void KMenuBar::setTopLevelMenu(bool top_level)
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{
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d->forcedTopLevel = top_level;
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setTopLevelMenuInternal( top_level );
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}
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void KMenuBar::setTopLevelMenuInternal(bool top_level)
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{
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if (d->forcedTopLevel)
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top_level = true;
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d->wasTopLevel = top_level;
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if( parentWidget()
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&& parentWidget()->topLevelWidget()->isFullScreen())
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top_level = false;
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if ( isTopLevelMenu() == top_level )
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return;
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d->topLevel = top_level;
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if ( isTopLevelMenu() )
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{
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#ifdef TQ_WS_X11
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d->selection = new TDESelectionWatcher( KMenuBarPrivate::makeSelectionAtom(),
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DefaultScreen( tqt_xdisplay()));
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connect( d->selection, TQ_SIGNAL( newOwner( Window )),
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this, TQ_SLOT( updateFallbackSize()));
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connect( d->selection, TQ_SIGNAL( lostOwner()),
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this, TQ_SLOT( updateFallbackSize()));
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#endif
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d->frameStyle = frameStyle();
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d->lineWidth = lineWidth();
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d->margin = margin();
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d->fallback_mode = false;
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bool wasShown = !isHidden();
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reparent( parentWidget(), (WFlags)(WType_TopLevel | WStyle_Tool | WStyle_Customize | WStyle_NoBorder), TQPoint(0,0), false );
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#ifdef TQ_WS_X11
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KWin::setType( winId(), NET::TopMenu );
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if( parentWidget())
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XSetTransientForHint( tqt_xdisplay(), winId(), parentWidget()->topLevelWidget()->winId());
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#endif
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TQMenuBar::setFrameStyle( NoFrame );
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TQMenuBar::setLineWidth( 0 );
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TQMenuBar::setMargin( 0 );
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updateFallbackSize();
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d->min_size = TQSize( 0, 0 );
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if( parentWidget() && !parentWidget()->isTopLevel())
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setShown( parentWidget()->isVisible());
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else if ( wasShown )
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show();
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} else
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{
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#ifdef TQ_WS_X11
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delete d->selection;
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d->selection = NULL;
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#endif
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setBackgroundMode( PaletteButton );
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setFrameStyle( d->frameStyle );
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setLineWidth( d->lineWidth );
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setMargin( d->margin );
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setMinimumSize( 0, 0 );
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setMaximumSize( TQWIDGETSIZE_MAX, TQWIDGETSIZE_MAX );
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updateMenuBarSize();
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if ( parentWidget() )
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reparent( parentWidget(), TQPoint(0,0), !isHidden());
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}
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}
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bool KMenuBar::isTopLevelMenu() const
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{
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return d->topLevel;
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}
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// KDE4 remove
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void KMenuBar::show()
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{
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TQMenuBar::show();
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}
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void KMenuBar::slotReadConfig()
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{
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TDEConfig *config = TDEGlobal::config();
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TDEConfigGroupSaver saver( config, "KDE" );
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setTopLevelMenuInternal( config->readBoolEntry( "macStyle", false ) );
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}
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bool KMenuBar::eventFilter(TQObject *obj, TQEvent *ev)
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{
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if ( d->topLevel )
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{
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if ( parentWidget() && obj == parentWidget()->topLevelWidget() )
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{
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if( ev->type() == TQEvent::Resize )
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return false; // ignore resizing of parent, TQMenuBar would try to adjust size
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if ( ev->type() == TQEvent::Accel || ev->type() == TQEvent::AccelAvailable )
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{
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if ( TQApplication::sendEvent( topLevelWidget(), ev ) )
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return true;
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}
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if(ev->type() == TQEvent::ShowFullScreen )
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// will update the state properly
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setTopLevelMenuInternal( d->topLevel );
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}
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if( parentWidget() && obj == parentWidget() && ev->type() == TQEvent::Reparent )
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{
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#ifdef TQ_WS_X11
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XSetTransientForHint( tqt_xdisplay(), winId(), parentWidget()->topLevelWidget()->winId());
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#else
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//TODO: WIN32?
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#endif
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setShown( parentWidget()->isTopLevel() || parentWidget()->isVisible());
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}
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if( parentWidget() && !parentWidget()->isTopLevel() && obj == parentWidget())
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{ // if the parent is not toplevel, KMenuBar needs to match its visibility status
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if( ev->type() == TQEvent::Show )
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{
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#ifdef TQ_WS_X11
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XSetTransientForHint( tqt_xdisplay(), winId(), parentWidget()->topLevelWidget()->winId());
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#else
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//TODO: WIN32?
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#endif
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show();
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}
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if( ev->type() == TQEvent::Hide )
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hide();
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}
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}
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else
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{
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if( parentWidget() && obj == parentWidget()->topLevelWidget())
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{
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if( ev->type() == TQEvent::WindowStateChange
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&& !parentWidget()->topLevelWidget()->isFullScreen() )
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setTopLevelMenuInternal( d->wasTopLevel );
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}
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}
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return TQMenuBar::eventFilter( obj, ev );
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}
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// KDE4 remove
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void KMenuBar::showEvent( TQShowEvent *e )
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{
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TQMenuBar::showEvent(e);
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}
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void KMenuBar::updateFallbackSize()
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{
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if( !d->topLevel )
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return;
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#ifdef TQ_WS_X11
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if( d->selection->owner() != None )
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#endif
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{ // somebody is managing us, don't mess anything, undo changes
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// done in fallback mode if needed
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d->selection_timer.stop();
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if( d->fallback_mode )
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{
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d->fallback_mode = false;
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KWin::setStrut( winId(), 0, 0, 0, 0 );
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setMinimumSize( 0, 0 );
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setMaximumSize( TQWIDGETSIZE_MAX, TQWIDGETSIZE_MAX );
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updateMenuBarSize();
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}
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return;
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}
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if( d->selection_timer.isActive())
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return;
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d->selection_timer.start( 100, true );
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}
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void KMenuBar::selectionTimeout()
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{ // nobody is managing us, handle resizing
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if ( d->topLevel )
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{
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d->fallback_mode = true; // KMenuBar is handling its position itself
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TDEConfigGroup xineramaConfig(TDEGlobal::config(),"Xinerama");
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int screen = xineramaConfig.readNumEntry("MenubarScreen",
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TQApplication::desktop()->screenNumber(TQPoint(0,0)) );
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TQRect area;
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if (kapp->desktop()->numScreens() < 2)
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area = kapp->desktop()->geometry();
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else
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area = kapp->desktop()->screenGeometry(screen);
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int margin = 0;
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move(area.left() - margin, area.top() - margin);
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setFixedSize(area.width() + 2* margin , heightForWidth( area.width() + 2 * margin ) );
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#ifdef TQ_WS_X11
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int strut_height = height() - margin;
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if( strut_height < 0 )
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strut_height = 0;
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KWin::setStrut( winId(), 0, 0, strut_height, 0 );
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#endif
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}
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}
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int KMenuBar::block_resize = 0;
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void KMenuBar::resizeEvent( TQResizeEvent *e )
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{
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if( e->spontaneous() && d->topLevel && !d->fallback_mode )
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{
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++block_resize; // do not respond with configure request to ConfigureNotify event
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TQMenuBar::resizeEvent(e); // to avoid possible infinite loop
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--block_resize;
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}
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else
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TQMenuBar::resizeEvent(e);
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}
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void KMenuBar::setGeometry( const TQRect& r )
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{
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setGeometry( r.x(), r.y(), r.width(), r.height() );
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}
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void KMenuBar::setGeometry( int x, int y, int w, int h )
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{
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if( block_resize > 0 )
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{
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move( x, y );
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return;
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}
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checkSize( w, h );
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if( geometry() != TQRect( x, y, w, h ))
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TQMenuBar::setGeometry( x, y, w, h );
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}
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void KMenuBar::resize( int w, int h )
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{
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if( block_resize > 0 )
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return;
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checkSize( w, h );
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if( size() != TQSize( w, h ))
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TQMenuBar::resize( w, h );
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// kdDebug() << "RS:" << w << ":" << h << ":" << width() << ":" << height() << ":" << minimumWidth() << ":" << minimumHeight() << endl;
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}
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void KMenuBar::checkSize( int& w, int& h )
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{
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if( !d->topLevel || d->fallback_mode )
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return;
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TQSize s = sizeHint();
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w = s.width();
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h = s.height();
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// This is not done as setMinimumSize(), because that would set the minimum
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// size in WM_NORMAL_HINTS, and KWin would not allow changing to smaller size
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// anymore
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w = KMAX( w, d->min_size.width());
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h = KMAX( h, d->min_size.height());
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}
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// QMenuBar's sizeHint() gives wrong size (insufficient width), which causes wrapping in the kicker applet
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TQSize KMenuBar::sizeHint() const
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{
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if( !d->topLevel || block_resize > 0 )
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return TQMenuBar::sizeHint();
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// Since TQMenuBar::sizeHint() may indirectly call resize(),
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// avoid infinite recursion.
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++block_resize;
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// find the minimum useful height, and enlarge the width until the menu fits in that height (one row)
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int h = heightForWidth( 1000000 );
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int w = TQMenuBar::sizeHint().width();
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// optimization - don't call heightForWidth() too many times
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while( heightForWidth( w + 12 ) > h )
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w += 12;
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while( heightForWidth( w + 4 ) > h )
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w += 4;
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while( heightForWidth( w ) > h )
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++w;
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--block_resize;
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return TQSize( w, h );
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}
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#ifdef TQ_WS_X11
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bool KMenuBar::x11Event( XEvent* ev )
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{
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if( ev->type == ClientMessage && ev->xclient.message_type == msg_type_atom
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&& ev->xclient.window == winId())
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{
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// TQMenuBar is trying really hard to keep the size it deems right.
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// Forcing minimum size and blocking resizing to match parent size
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// in checkResizingToParent() seem to be the only way to make
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// KMenuBar keep the size it wants
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d->min_size = TQSize( ev->xclient.data.l[ 1 ], ev->xclient.data.l[ 2 ] );
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// kdDebug() << "MINSIZE:" << d->min_size << endl;
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updateMenuBarSize();
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return true;
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}
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return TQMenuBar::x11Event( ev );
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}
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#endif
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void KMenuBar::updateMenuBarSize()
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{
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menuContentsChanged(); // trigger invalidating calculated size
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resize( sizeHint()); // and resize to preferred size
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}
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void KMenuBar::setFrameStyle( int style )
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{
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if( d->topLevel )
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d->frameStyle = style;
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else
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TQMenuBar::setFrameStyle( style );
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}
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void KMenuBar::setLineWidth( int width )
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{
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if( d->topLevel )
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d->lineWidth = width;
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else
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TQMenuBar::setLineWidth( width );
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}
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void KMenuBar::setMargin( int margin )
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{
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if( d->topLevel )
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d->margin = margin;
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else
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TQMenuBar::setMargin( margin );
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}
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void KMenuBar::closeEvent( TQCloseEvent* e )
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{
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if( d->topLevel )
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e->ignore(); // mainly for the fallback mode
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else
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TQMenuBar::closeEvent( e );
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}
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void KMenuBar::drawContents( TQPainter* p )
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{
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// Closes the BR77113
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// We need to overload this method to paint only the menu items
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// This way when the KMenuBar is embedded in the menu applet it
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// integrates correctly.
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//
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// Background mode and origin are set so late because of styles
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// using the polish() method to modify these settings.
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//
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// Of course this hack can safely be removed when real transparency
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// will be available
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if( !d->topLevel )
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{
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TQMenuBar::drawContents(p);
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}
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else
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{
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bool up_enabled = isUpdatesEnabled();
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BackgroundMode bg_mode = backgroundMode();
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BackgroundOrigin bg_origin = backgroundOrigin();
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setUpdatesEnabled(false);
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setBackgroundMode(X11ParentRelative);
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setBackgroundOrigin(WindowOrigin);
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p->eraseRect( rect() );
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erase();
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TQColorGroup g = colorGroup();
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bool e;
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for ( int i=0; i<(int)count(); i++ )
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{
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TQMenuItem *mi = findItem( idAt( i ) );
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if ( !mi->text().isNull() || mi->pixmap() )
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{
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TQRect r = itemRect(i);
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if(r.isEmpty() || !mi->isVisible())
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continue;
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e = mi->isEnabledAndVisible();
|
|
if ( e )
|
|
g = isEnabled() ? ( isActiveWindow() ? palette().active() :
|
|
palette().inactive() ) : palette().disabled();
|
|
else
|
|
g = palette().disabled();
|
|
|
|
bool item_active = ( actItem == i );
|
|
|
|
p->setClipRect(r);
|
|
|
|
if( item_active )
|
|
{
|
|
TQStyle::SFlags flags = TQStyle::Style_Default;
|
|
if (isEnabled() && e)
|
|
flags |= TQStyle::Style_Enabled;
|
|
if ( item_active )
|
|
flags |= TQStyle::Style_Active;
|
|
if ( item_active && actItemDown )
|
|
flags |= TQStyle::Style_Down;
|
|
flags |= TQStyle::Style_HasFocus;
|
|
|
|
style().drawControl(TQStyle::CE_MenuBarItem, p, this,
|
|
r, g, flags, TQStyleOption(mi));
|
|
}
|
|
else
|
|
{
|
|
style().drawItem(p, r, AlignCenter | AlignVCenter | ShowPrefix,
|
|
g, e, mi->pixmap(), mi->text());
|
|
}
|
|
}
|
|
}
|
|
|
|
setBackgroundOrigin(bg_origin);
|
|
setBackgroundMode(bg_mode);
|
|
setUpdatesEnabled(up_enabled);
|
|
}
|
|
}
|
|
|
|
void KMenuBar::virtual_hook( int, void* )
|
|
{ /*BASE::virtual_hook( id, data );*/ }
|
|
|
|
#include "tdemenubar.moc"
|