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-rw-r--r--kdeui/kmenubar.cpp571
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diff --git a/kdeui/kmenubar.cpp b/kdeui/kmenubar.cpp
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--- a/kdeui/kmenubar.cpp
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-/* This file is part of the KDE libraries
- Copyright (C) 1997, 1998, 1999, 2000 Sven Radej (radej@kde.org)
- Copyright (C) 1997, 1998, 1999, 2000 Matthias Ettrich (ettrich@kde.org)
- Copyright (C) 1999, 2000 Daniel "Mosfet" Duley (mosfet@kde.org)
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
- */
-
-
-#ifndef INCLUDE_MENUITEM_DEF
-#define INCLUDE_MENUITEM_DEF
-#endif
-
-#include "config.h"
-#include <tqevent.h>
-#include <tqobjectlist.h>
-#include <tqaccel.h>
-#include <tqpainter.h>
-#include <tqstyle.h>
-#include <tqtimer.h>
-
-#include <kconfig.h>
-#include <kglobalsettings.h>
-#include <kmenubar.h>
-#include <kapplication.h>
-#include <kglobal.h>
-#include <kdebug.h>
-#include <kmanagerselection.h>
-
-#ifdef Q_WS_X11
-#include <kwin.h>
-#include <kwinmodule.h>
-#include <qxembed.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xatom.h>
-
-#ifndef None
-#define None 0L
-#endif
-#endif
-
-/*
-
- Toplevel menubar (not for the fallback size handling done by itself):
- - should not alter position or set strut
- - every toplevel must have at most one matching topmenu
- - embedder won't allow shrinking below a certain size
- - must have WM_TRANSIENT_FOR pointing the its mainwindow
- - the exception is desktop's menubar, which can be transient for root window
- because of using root window as the desktop window
- - Fitts' Law
-
-*/
-
-class KMenuBar::KMenuBarPrivate
-{
-public:
- KMenuBarPrivate()
- : forcedTopLevel( false ),
- topLevel( false ),
- wasTopLevel( false ),
-#ifdef Q_WS_X11
- selection( NULL ),
-#endif
- min_size( 0, 0 )
- {
- }
- ~KMenuBarPrivate()
- {
-#ifdef Q_WS_X11
- delete selection;
-#endif
- }
- bool forcedTopLevel;
- bool topLevel;
- bool wasTopLevel; // when TLW is fullscreen, remember state
- int frameStyle; // only valid in toplevel mode
- int lineWidth; // dtto
- int margin; // dtto
- bool fallback_mode; // dtto
-#ifdef Q_WS_X11
- KSelectionWatcher* selection;
-#endif
- TQTimer selection_timer;
- TQSize min_size;
- static Atom makeSelectionAtom();
-};
-
-#ifdef Q_WS_X11
-static Atom selection_atom = None;
-static Atom msg_type_atom = None;
-
-static
-void initAtoms()
-{
- char nm[ 100 ];
- sprintf( nm, "_KDE_TOPMENU_OWNER_S%d", DefaultScreen( qt_xdisplay()));
- char nm2[] = "_KDE_TOPMENU_MINSIZE";
- char* names[ 2 ] = { nm, nm2 };
- Atom atoms[ 2 ];
- XInternAtoms( qt_xdisplay(), names, 2, False, atoms );
- selection_atom = atoms[ 0 ];
- msg_type_atom = atoms[ 1 ];
-}
-#endif
-
-Atom KMenuBar::KMenuBarPrivate::makeSelectionAtom()
-{
-#ifdef Q_WS_X11
- if( selection_atom == None )
- initAtoms();
- return selection_atom;
-#else
- return 0;
-#endif
-}
-
-KMenuBar::KMenuBar(TQWidget *parent, const char *name)
- : TQMenuBar(parent, name)
-{
-#ifdef Q_WS_X11
- QXEmbed::initialize();
-#endif
- d = new KMenuBarPrivate;
- connect( &d->selection_timer, TQT_SIGNAL( timeout()),
- this, TQT_SLOT( selectionTimeout()));
-
- connect( tqApp->desktop(), TQT_SIGNAL( resized( int )), TQT_SLOT( updateFallbackSize()));
-
- if ( kapp )
- // toolbarAppearanceChanged(int) is sent when changing macstyle
- connect( kapp, TQT_SIGNAL(toolbarAppearanceChanged(int)),
- this, TQT_SLOT(slotReadConfig()));
-
- slotReadConfig();
-}
-
-KMenuBar::~KMenuBar()
-{
- delete d;
-}
-
-void KMenuBar::setTopLevelMenu(bool top_level)
-{
- d->forcedTopLevel = top_level;
- setTopLevelMenuInternal( top_level );
-}
-
-void KMenuBar::setTopLevelMenuInternal(bool top_level)
-{
- if (d->forcedTopLevel)
- top_level = true;
-
- d->wasTopLevel = top_level;
- if( parentWidget()
- && parentWidget()->tqtopLevelWidget()->isFullScreen())
- top_level = false;
-
- if ( isTopLevelMenu() == top_level )
- return;
- d->topLevel = top_level;
- if ( isTopLevelMenu() )
- {
-#ifdef Q_WS_X11
- d->selection = new KSelectionWatcher( KMenuBarPrivate::makeSelectionAtom(),
- DefaultScreen( qt_xdisplay()));
- connect( d->selection, TQT_SIGNAL( newOwner( Window )),
- this, TQT_SLOT( updateFallbackSize()));
- connect( d->selection, TQT_SIGNAL( lostOwner()),
- this, TQT_SLOT( updateFallbackSize()));
-#endif
- d->frameStyle = frameStyle();
- d->lineWidth = lineWidth();
- d->margin = margin();
- d->fallback_mode = false;
- bool wasShown = !isHidden();
- reparent( parentWidget(), (WFlags)(WType_TopLevel | WStyle_Tool | WStyle_Customize | WStyle_NoBorder), TQPoint(0,0), false );
-#ifdef Q_WS_X11
- KWin::setType( winId(), NET::TopMenu );
- if( parentWidget())
- XSetTransientForHint( qt_xdisplay(), winId(), parentWidget()->tqtopLevelWidget()->winId());
-#endif
- TQMenuBar::setFrameStyle( NoFrame );
- TQMenuBar::setLineWidth( 0 );
- TQMenuBar::setMargin( 0 );
- updateFallbackSize();
- d->min_size = TQSize( 0, 0 );
- if( parentWidget() && !parentWidget()->isTopLevel())
- setShown( parentWidget()->isVisible());
- else if ( wasShown )
- show();
- } else
- {
-#ifdef Q_WS_X11
- delete d->selection;
- d->selection = NULL;
-#endif
- setBackgroundMode( PaletteButton );
- setFrameStyle( d->frameStyle );
- setLineWidth( d->lineWidth );
- setMargin( d->margin );
- setMinimumSize( 0, 0 );
- setMaximumSize( QWIDGETSIZE_MAX, QWIDGETSIZE_MAX );
- updateMenuBarSize();
- if ( parentWidget() )
- reparent( parentWidget(), TQPoint(0,0), !isHidden());
- }
-}
-
-bool KMenuBar::isTopLevelMenu() const
-{
- return d->topLevel;
-}
-
-// KDE4 remove
-void KMenuBar::show()
-{
- TQMenuBar::show();
-}
-
-void KMenuBar::slotReadConfig()
-{
- KConfig *config = KGlobal::config();
- KConfigGroupSaver saver( config, "KDE" );
- setTopLevelMenuInternal( config->readBoolEntry( "macStyle", false ) );
-}
-
-bool KMenuBar::eventFilter(TQObject *obj, TQEvent *ev)
-{
- if ( d->topLevel )
- {
- if ( parentWidget() && TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(parentWidget()->tqtopLevelWidget()) )
- {
- if( ev->type() == TQEvent::Resize )
- return false; // ignore resizing of parent, TQMenuBar would try to adjust size
- if ( ev->type() == TQEvent::Accel || ev->type() == TQEvent::AccelAvailable )
- {
- if ( TQApplication::sendEvent( tqtopLevelWidget(), ev ) )
- return true;
- }
- if(ev->type() == TQEvent::ShowFullScreen )
- // will update the state properly
- setTopLevelMenuInternal( d->topLevel );
- }
- if( parentWidget() && TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(parentWidget()) && ev->type() == TQEvent::Reparent )
- {
-#ifdef Q_WS_X11
- XSetTransientForHint( qt_xdisplay(), winId(), parentWidget()->tqtopLevelWidget()->winId());
-#else
- //TODO: WIN32?
-#endif
- setShown( parentWidget()->isTopLevel() || parentWidget()->isVisible());
- }
- if( parentWidget() && !parentWidget()->isTopLevel() && TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(parentWidget()))
- { // if the parent is not toplevel, KMenuBar needs to match its visibility status
- if( ev->type() == TQEvent::Show )
- {
-#ifdef Q_WS_X11
- XSetTransientForHint( qt_xdisplay(), winId(), parentWidget()->tqtopLevelWidget()->winId());
-#else
- //TODO: WIN32?
-#endif
- show();
- }
- if( ev->type() == TQEvent::Hide )
- hide();
- }
- }
- else
- {
- if( parentWidget() && TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(parentWidget()->tqtopLevelWidget()))
- {
- if( ev->type() == TQEvent::WindowStateChange
- && !parentWidget()->tqtopLevelWidget()->isFullScreen() )
- setTopLevelMenuInternal( d->wasTopLevel );
- }
- }
- return TQMenuBar::eventFilter( obj, ev );
-}
-
-// KDE4 remove
-void KMenuBar::showEvent( TQShowEvent *e )
-{
- TQMenuBar::showEvent(e);
-}
-
-void KMenuBar::updateFallbackSize()
-{
- if( !d->topLevel )
- return;
-#ifdef Q_WS_X11
- if( d->selection->owner() != None )
-#endif
- { // somebody is managing us, don't mess anything, undo changes
- // done in fallback mode if needed
- d->selection_timer.stop();
- if( d->fallback_mode )
- {
- d->fallback_mode = false;
- KWin::setStrut( winId(), 0, 0, 0, 0 );
- setMinimumSize( 0, 0 );
- setMaximumSize( QWIDGETSIZE_MAX, QWIDGETSIZE_MAX );
- updateMenuBarSize();
- }
- return;
- }
- if( d->selection_timer.isActive())
- return;
- d->selection_timer.start( 100, true );
-}
-
-void KMenuBar::selectionTimeout()
-{ // nobody is managing us, handle resizing
- if ( d->topLevel )
- {
- d->fallback_mode = true; // KMenuBar is handling its position itself
- KConfigGroup xineramaConfig(KGlobal::config(),"Xinerama");
- int screen = xineramaConfig.readNumEntry("MenubarScreen",
- TQApplication::desktop()->screenNumber(TQPoint(0,0)) );
- TQRect area;
- if (kapp->desktop()->numScreens() < 2)
- area = kapp->desktop()->geometry();
- else
- area = kapp->desktop()->screenGeometry(screen);
- int margin = 0;
- move(area.left() - margin, area.top() - margin);
- setFixedSize(area.width() + 2* margin , heightForWidth( area.width() + 2 * margin ) );
-#ifdef Q_WS_X11
- int strut_height = height() - margin;
- if( strut_height < 0 )
- strut_height = 0;
- KWin::setStrut( winId(), 0, 0, strut_height, 0 );
-#endif
- }
-}
-
-int KMenuBar::block_resize = 0;
-
-void KMenuBar::resizeEvent( TQResizeEvent *e )
-{
- if( e->spontaneous() && d->topLevel && !d->fallback_mode )
- {
- ++block_resize; // do not respond with configure request to ConfigureNotify event
- TQMenuBar::resizeEvent(e); // to avoid possible infinite loop
- --block_resize;
- }
- else
- TQMenuBar::resizeEvent(e);
-}
-
-void KMenuBar::setGeometry( const TQRect& r )
-{
- setGeometry( r.x(), r.y(), r.width(), r.height() );
-}
-
-void KMenuBar::setGeometry( int x, int y, int w, int h )
-{
- if( block_resize > 0 )
- {
- move( x, y );
- return;
- }
- checkSize( w, h );
- if( geometry() != TQRect( x, y, w, h ))
- TQMenuBar::setGeometry( x, y, w, h );
-}
-
-void KMenuBar::resize( int w, int h )
-{
- if( block_resize > 0 )
- return;
- checkSize( w, h );
- if( size() != TQSize( w, h ))
- TQMenuBar::resize( w, h );
-// kdDebug() << "RS:" << w << ":" << h << ":" << width() << ":" << height() << ":" << minimumWidth() << ":" << minimumHeight() << endl;
-}
-
-void KMenuBar::checkSize( int& w, int& h )
-{
- if( !d->topLevel || d->fallback_mode )
- return;
- TQSize s = tqsizeHint();
- w = s.width();
- h = s.height();
- // This is not done as setMinimumSize(), because that would set the minimum
- // size in WM_NORMAL_HINTS, and KWin would not allow changing to smaller size
- // anymore
- w = KMAX( w, d->min_size.width());
- h = KMAX( h, d->min_size.height());
-}
-
-// QMenuBar's tqsizeHint() gives wrong size (insufficient width), which causes wrapping in the kicker applet
-TQSize KMenuBar::tqsizeHint() const
-{
- if( !d->topLevel || block_resize > 0 )
- return TQMenuBar::tqsizeHint();
- // Since TQMenuBar::tqsizeHint() may indirectly call resize(),
- // avoid infinite recursion.
- ++block_resize;
- // find the minimum useful height, and enlarge the width until the menu fits in that height (one row)
- int h = heightForWidth( 1000000 );
- int w = TQMenuBar::tqsizeHint().width();
- // optimization - don't call heightForWidth() too many times
- while( heightForWidth( w + 12 ) > h )
- w += 12;
- while( heightForWidth( w + 4 ) > h )
- w += 4;
- while( heightForWidth( w ) > h )
- ++w;
- --block_resize;
- return TQSize( w, h );
-}
-
-#ifdef Q_WS_X11
-bool KMenuBar::x11Event( XEvent* ev )
-{
- if( ev->type == ClientMessage && ev->xclient.message_type == msg_type_atom
- && ev->xclient.window == winId())
- {
- // TQMenuBar is trying really hard to keep the size it deems right.
- // Forcing minimum size and blocking resizing to match parent size
- // in checkResizingToParent() seem to be the only way to make
- // KMenuBar keep the size it wants
- d->min_size = TQSize( ev->xclient.data.l[ 1 ], ev->xclient.data.l[ 2 ] );
-// kdDebug() << "MINSIZE:" << d->min_size << endl;
- updateMenuBarSize();
- return true;
- }
- return TQMenuBar::x11Event( ev );
-}
-#endif
-
-void KMenuBar::updateMenuBarSize()
- {
- menuContentsChanged(); // trigger invalidating calculated size
- resize( tqsizeHint()); // and resize to preferred size
- }
-
-void KMenuBar::setFrameStyle( int style )
-{
- if( d->topLevel )
- d->frameStyle = style;
- else
- TQMenuBar::setFrameStyle( style );
-}
-
-void KMenuBar::setLineWidth( int width )
-{
- if( d->topLevel )
- d->lineWidth = width;
- else
- TQMenuBar::setLineWidth( width );
-}
-
-void KMenuBar::setMargin( int margin )
-{
- if( d->topLevel )
- d->margin = margin;
- else
- TQMenuBar::setMargin( margin );
-}
-
-void KMenuBar::closeEvent( TQCloseEvent* e )
-{
- if( d->topLevel )
- e->ignore(); // mainly for the fallback mode
- else
- TQMenuBar::closeEvent( e );
-}
-
-void KMenuBar::drawContents( TQPainter* p )
-{
- // Closes the BR77113
- // We need to overload this method to paint only the menu items
- // This way when the KMenuBar is embedded in the menu applet it
- // integrates correctly.
- //
- // Background mode and origin are set so late because of styles
- // using the polish() method to modify these settings.
- //
- // Of course this hack can safely be removed when real transparency
- // will be available
-
- if( !d->topLevel )
- {
- TQMenuBar::drawContents(p);
- }
- else
- {
- bool up_enabled = isUpdatesEnabled();
- BackgroundMode bg_mode = backgroundMode();
- BackgroundOrigin bg_origin = backgroundOrigin();
-
- tqsetUpdatesEnabled(false);
- setBackgroundMode(X11ParentRelative);
- setBackgroundOrigin(WindowOrigin);
-
- p->eraseRect( rect() );
- erase();
-
- TQColorGroup g = tqcolorGroup();
- bool e;
-
- for ( int i=0; i<(int)count(); i++ )
- {
- TQMenuItem *mi = findItem( idAt( i ) );
-
- if ( !mi->text().isNull() || mi->pixmap() )
- {
- TQRect r = tqitemRect(i);
- if(r.isEmpty() || !mi->isVisible())
- continue;
-
- e = mi->isEnabledAndVisible();
- if ( e )
- g = isEnabled() ? ( isActiveWindow() ? tqpalette().active() :
- tqpalette().inactive() ) : tqpalette().disabled();
- else
- g = tqpalette().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;
-
- tqstyle().tqdrawControl(TQStyle::CE_MenuBarItem, p, this,
- r, g, flags, TQStyleOption(mi));
- }
- else
- {
- tqstyle().drawItem(p, r, AlignCenter | AlignVCenter | ShowPrefix,
- g, e, mi->pixmap(), mi->text());
- }
- }
- }
-
- setBackgroundOrigin(bg_origin);
- setBackgroundMode(bg_mode);
- tqsetUpdatesEnabled(up_enabled);
- }
-}
-
-void KMenuBar::virtual_hook( int, void* )
-{ /*BASE::virtual_hook( id, data );*/ }
-
-#include "kmenubar.moc"
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