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510 lines
15 KiB
510 lines
15 KiB
/*****************************************************************
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Copyright (c) 2002 Siegfried Nijssen <snijssen@liacs.nl>
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Copyright (c) 2003 Lubos Lunak <l.lunak@suse.cz>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************/
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#define _MENUAPPLET_CPP_
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#include "menuapplet.h"
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#include <tqlayout.h>
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#include <tqtooltip.h>
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#include <tqvariant.h> // avoid X11 #define's
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#include <kapplication.h>
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#include <kconfig.h>
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#include <kdebug.h>
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#include <kglobal.h>
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#include <klocale.h>
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#include <twin.h>
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#include <twinmodule.h>
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#include <netwm.h>
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#include <X11/Xlib.h>
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/*
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KMenuBar from KDE3.1 and older won't work very well with this applet.
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This is because TQMenuBar tries really hard to keep its preffered size,
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se even if the X window for the menubar has the size enforced by this
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applet, Qt thinks it has the size Qt wants. This results in parts
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of the menubar not being repainted. Also, old KMenuBar always forced
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with to be the width of the screen, so even if the menubar has only
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few entries, this applet will still indicate the menubar doesn't
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fit completely in it. There's no way to fix this, besides upgrading
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to KDE3.2.
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*/
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extern "C"
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{
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KDE_EXPORT KPanelApplet* init( TQWidget* parent_P, const TQString& configFile_P )
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{
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KGlobal::locale()->insertCatalogue("kmenuapplet");
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return new KickerMenuApplet::Applet( configFile_P, parent_P );
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}
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}
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namespace KickerMenuApplet
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{
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static const int MOVE_DIFF = 100; // size increment for left/right menu moving
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static const int GROW_WIDTH = 10; // width of grow buttons
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const long SUPPORTED_WINDOW_TYPES = NET::NormalMask | NET::DesktopMask | NET::DockMask
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| NET::ToolbarMask | NET::MenuMask | NET::DialogMask | NET::OverrideMask
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| NET::TopMenuMask | NET::UtilityMask | NET::SplashMask;
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Applet::Applet( const TQString& configFile_P, TQWidget* parent_P )
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: KPanelApplet( configFile_P, Normal, 0, parent_P, "menuapplet" ),
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DCOPObject( "menuapplet" ),
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module( NULL ),
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active_menu( NULL ),
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selection( NULL ),
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selection_watcher( NULL ),
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desktop_menu( false ),
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topEdgeOffset( 0 )
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{
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setBackgroundOrigin(AncestorOrigin);
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dcopclient.registerAs( "menuapplet", false );
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// toolbarAppearanceChanged(int) is sent when changing macstyle
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connect( kapp, TQT_SIGNAL( toolbarAppearanceChanged( int )),
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this, TQT_SLOT( readSettings()));
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claimSelection();
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readSettings();
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updateTopEdgeOffset();
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}
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Applet::~Applet()
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{
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lostSelection(); // release all menu's before really loosing the selection
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delete selection;
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delete selection_watcher;
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delete module;
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KGlobal::locale()->removeCatalogue("kmenuapplet");
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}
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void Applet::windowAdded( WId w_P )
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{
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NETWinInfo info( tqt_xdisplay(), w_P, tqt_xrootwin(), NET::WMWindowType );
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if( info.windowType( SUPPORTED_WINDOW_TYPES ) != NET::TopMenu )
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return;
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// kdDebug() << "embedding:" << w_P << endl;
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Window transient_for = KWin::transientFor( w_P );
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if( transient_for == None )
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return;
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MenuEmbed* embed;
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if( transient_for == tqt_xrootwin())
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{
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embed = new MenuEmbed( transient_for, true, this );
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}
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else
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{
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KWin::WindowInfo info2 = KWin::windowInfo( transient_for, NET::WMWindowType );
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embed = new MenuEmbed( transient_for,
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info2.windowType( SUPPORTED_WINDOW_TYPES ) == NET::Desktop, this );
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}
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embed->hide();
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embed->move( 0, -topEdgeOffset );
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embed->resize( embed->width(), height() + topEdgeOffset );
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embed->embed( w_P );
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if( embed->embeddedWinId() == None )
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{
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delete embed;
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return;
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}
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menus.append( embed );
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// in case the app mapped its menu after its mainwindow, check which menu should be shown
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activeWindowChanged( module->activeWindow());
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}
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// - if the active window has its topmenu -> show the menu
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// - if desktop menu is enabled (i.e. explicitly in kdesktop) :
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// - show it
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// - otherwise show nothing
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void Applet::activeWindowChanged( WId w_P )
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{
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// kdDebug() << "active:" << w_P << endl;
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for( WId window = w_P;
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window != None;
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window = tryTransientFor( window ))
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{
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for( TQValueList< MenuEmbed* >::ConstIterator it = menus.begin();
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it != menus.end();
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++it )
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{
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if( window == (*it)->mainWindow())
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{
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activateMenu( *it );
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return;
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}
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}
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}
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// kdDebug() << "no active" << endl;
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// No menu for active window found - if desktop menu
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// (in kdesktoprc) is enabled, use kdesktop's menu instead of none.
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bool try_desktop = desktop_menu;
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if( !try_desktop && w_P != None )
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{ // also use the desktop menu if the active window is desktop
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KWin::WindowInfo info = KWin::windowInfo( w_P, NET::WMWindowType );
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if( info.windowType( SUPPORTED_WINDOW_TYPES ) == NET::Desktop )
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try_desktop = true;
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}
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if( try_desktop )
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{
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for( TQValueList< MenuEmbed* >::ConstIterator it = menus.begin();
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it != menus.end();
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++it )
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{
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if( (*it)->isDesktopMenu())
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{
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activateMenu( *it );
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return;
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}
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}
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}
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activateMenu( NULL );
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}
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void Applet::activateMenu( MenuEmbed* embed_P )
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{
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if( embed_P != active_menu )
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{
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// kdDebug() << "activate:" << embed_P << endl;
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if( active_menu != NULL )
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active_menu->hide();
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active_menu = embed_P;
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if( active_menu != NULL )
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{
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active_menu->show();
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//if (embed->isDesktopMenu())
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{
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active_menu->setMinimumSize( width(), height() + topEdgeOffset );
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}
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}
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emit updateLayout();
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}
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setBackground();
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}
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void Applet::updateMenuGeometry( MenuEmbed* embed )
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{
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if( embed == active_menu )
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emit updateLayout();
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}
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// If there's no menu for the window, try finding menu for its mainwindow
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// (where the window's WM_TRANSIENT_FOR property points).
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// If the window is modal (_NET_WM_STATE_MODAL), stop.
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WId Applet::tryTransientFor( WId w_P )
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{
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KWin::WindowInfo info = KWin::windowInfo( w_P, NET::WMState );
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if( info.state() & NET::Modal )
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return None;
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WId ret = KWin::transientFor( w_P );
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if( ret == tqt_xrootwin())
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ret = None;
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return ret;
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}
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void Applet::menuLost( MenuEmbed* embed )
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{
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for( TQValueList< MenuEmbed* >::Iterator it = menus.begin();
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it != menus.end();
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++it )
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{
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if( *it == embed )
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{
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menus.remove( it );
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embed->deleteLater();
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// kdDebug() << "deleting:" << (*it)->mainWindow() << endl;
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if( embed == active_menu )
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{
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active_menu = NULL;
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// trigger selecting new active menu
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activeWindowChanged( module->activeWindow());
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}
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return;
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}
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}
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}
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void Applet::positionChange( Position )
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{
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updateTopEdgeOffset();
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}
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// Detect mouse movement at the top screen edge also if the menubar
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// has a popup open - in such case, Qt has a grab, and this avoids
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// Kicker's FittsLawFrame. Therefore move the menubar a bit higher,
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// so that it actually is positioned exactly at the screen edge
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// (i.e. at a negative y coordinate within this applet, due to
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// Kicker's frame).
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void Applet::updateTopEdgeOffset()
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{
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TQPoint p = topLevelWidget()->mapToGlobal( TQPoint( 0, 0 ));
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if( p.y() <= 2 ) // 2 = work also when running in appletproxy
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topEdgeOffset = mapToGlobal( TQPoint( 0, 0 )).y() - p.y();
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else
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topEdgeOffset = 0;
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if( active_menu != NULL )
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active_menu->move( active_menu->x(), -topEdgeOffset );
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}
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void Applet::paletteChange(const TQPalette & /* oldPalette */)
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{
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setBackground();
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}
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void Applet::moveEvent( TQMoveEvent* )
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{
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setBackground();
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}
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void Applet::setBackground()
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{
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if (active_menu)
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active_menu->setBackground();
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}
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void Applet::claimSelection()
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{
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assert( selection == NULL );
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selection = new KSelectionOwner( makeSelectionAtom(), DefaultScreen( tqt_xdisplay()));
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// force taking the selection, but don't kill previous owner
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if( selection->claim( true, false ))
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{
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delete selection_watcher;
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selection_watcher = NULL;
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connect( selection, TQT_SIGNAL( lostOwnership()), TQT_SLOT( lostSelection()));
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module = new KWinModule;
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connect( module, TQT_SIGNAL( windowAdded( WId )), this, TQT_SLOT( windowAdded( WId )));
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connect( module, TQT_SIGNAL( activeWindowChanged( WId )),
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this, TQT_SLOT( activeWindowChanged( WId )));
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TQValueList< WId > windows = module->windows();
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for( TQValueList< WId >::ConstIterator it = windows.begin();
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it != windows.end();
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++it )
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windowAdded( *it );
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activeWindowChanged( module->activeWindow());
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}
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else
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lostSelection();
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}
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void Applet::lostSelection()
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{
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if( selection == NULL )
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return;
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// kdDebug() << "lost selection" << endl;
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for( TQValueList< MenuEmbed* >::ConstIterator it = menus.begin();
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it != menus.end();
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++it )
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delete (*it); // delete all MenuEmbed's = release all menus
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menus.clear();
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active_menu = NULL;
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if( selection_watcher == NULL )
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{
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selection_watcher = new KSelectionWatcher( makeSelectionAtom(), DefaultScreen( tqt_xdisplay()));
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connect( selection_watcher, TQT_SIGNAL( lostOwner()), this, TQT_SLOT( claimSelection()));
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}
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delete module;
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module = NULL;
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selection->deleteLater();
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selection = NULL;
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// selection_watcher stays
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}
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void Applet::readSettings()
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{
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KConfig cfg( "kdesktoprc", true );
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cfg.setGroup( "Menubar" );
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desktop_menu = cfg.readBoolEntry( "ShowMenubar", false );
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cfg.setGroup( "KDE" );
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if( cfg.readBoolEntry( "macStyle", false ) || desktop_menu )
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TQToolTip::remove( this );
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else
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TQToolTip::add( this, i18n(
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"You do not appear to have enabled the standalone menubar; "
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"enable it in the Behavior control module for desktop." ));
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if( !isDisabled() && active_menu == NULL )
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activeWindowChanged( module->activeWindow()); //enforce desktop_menu
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}
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void Applet::configure()
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{
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readSettings();
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}
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int Applet::widthForHeight( int ) const
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{
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if (active_menu)
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return active_menu->width();
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return 0; // we're stretch applet
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}
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int Applet::heightForWidth( int ) const
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{
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// *shrug* running this applet in vertical mode is a bad idea anyway
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return 50;
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}
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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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Atom Applet::makeSelectionAtom()
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{
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if( selection_atom == None )
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initAtoms();
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return selection_atom;
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}
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MenuEmbed::MenuEmbed( WId mainwindow_P, bool desktop_P,
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TQWidget* parent_P, const char* name_P )
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: QXEmbed( parent_P, name_P ),
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main_window( mainwindow_P ),
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desktop( desktop_P )
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{
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setAutoDelete( false );
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}
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void MenuEmbed::windowChanged( WId w_P )
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{
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if( w_P == None )
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static_cast< Applet* >( parent())->menuLost( this );
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}
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bool MenuEmbed::x11Event( XEvent* ev_P )
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{
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if( ev_P->type == ConfigureRequest
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&& ev_P->xconfigurerequest.window == embeddedWinId()
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&& ev_P->xconfigurerequest.value_mask & ( CWWidth | CWHeight ))
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{
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XConfigureRequestEvent& ev = ev_P->xconfigurerequest;
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TQSize new_size = size();
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if( ev.value_mask & CWWidth )
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new_size.setWidth( ev.width );
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if( ev.value_mask & CWHeight )
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new_size.setHeight( ev.height );
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// resize when the embedded window resizes (still obey min size)
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// kdDebug() << "RES:" << embeddedWinId() << ":" << ev.width << ":" << ev.height << endl;
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if( ev.width != width() || ev.height != height())
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{
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resize( ev.width, ev.height );
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static_cast< Applet* >( parent())->updateMenuGeometry( this );
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}
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sendSyntheticConfigureNotifyEvent();
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// int x, y;
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// unsigned int w, h, d, b;
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// Window root;
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// XGetGeometry( tqt_xdisplay(), embeddedWinId(), &root, &x, &y, &w, &h, &b, &d );
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// kdDebug() << "RES3:" << width() << ":" << height() << ":" << w << ":" << h << endl;
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return true;
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}
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return QXEmbed::x11Event( ev_P );
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}
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void MenuEmbed::sendSyntheticConfigureNotifyEvent()
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{
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TQPoint globalPos = mapToGlobal(TQPoint(0,0));
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if (embeddedWinId()) {
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XConfigureEvent c;
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memset(&c, 0, sizeof(c));
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c.type = ConfigureNotify;
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c.display = tqt_xdisplay();
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c.send_event = True;
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c.event = embeddedWinId();
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c.window = winId();
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c.x = globalPos.x();
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c.y = globalPos.y();
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c.width = width();
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c.height = height();
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c.border_width = 0;
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c.above = None;
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c.override_redirect = 0;
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XSendEvent(tqt_xdisplay(), c.event, true, StructureNotifyMask, (XEvent*)&c);
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}
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}
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void MenuEmbed::setMinimumSize( int w, int h )
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{
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QXEmbed::setMinimumSize( w, h );
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// tell the menubar also the allowed minimum size
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// the applet won't allow resizing to smaller size
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if( embeddedWinId() != None )
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{
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// kdDebug() << "RES2:" << width() << ":" << height() << ":" << minimumWidth() << ":" << minimumHeight() << endl;
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XEvent ev;
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ev.xclient.display = tqt_xdisplay();
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ev.xclient.type = ClientMessage;
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ev.xclient.window = embeddedWinId();
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assert( msg_type_atom != None );
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ev.xclient.message_type = msg_type_atom;
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ev.xclient.format = 32;
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ev.xclient.data.l[0] = GET_QT_X_TIME();
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ev.xclient.data.l[1] = minimumWidth();
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ev.xclient.data.l[2] = minimumHeight();
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ev.xclient.data.l[3] = 0;
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ev.xclient.data.l[4] = 0;
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XSendEvent( tqt_xdisplay(), embeddedWinId(), False, NoEventMask, &ev );
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}
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}
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void MenuEmbed::setBackground()
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{
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const TQPixmap *pbg = parentWidget()->backgroundPixmap();
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if (pbg)
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{
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TQPixmap bg(width(), height());
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bg.fill(parentWidget(), pos());
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setPaletteBackgroundPixmap(bg);
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setBackgroundOrigin(WidgetOrigin);
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}
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else
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unsetPalette();
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hide();
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show();
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//XClearArea(x11Display(), embeddedWinId(), 0, 0, 0, 0, True);
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}
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} // namespace
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#include "menuapplet.moc"
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