From 4aed2c8219774f5d797760606b8489a92ddc5163 Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kicker/applets/menu/menuapplet.cpp | 511 +++++++++++++++++++++++++++++++++++++ 1 file changed, 511 insertions(+) create mode 100644 kicker/applets/menu/menuapplet.cpp (limited to 'kicker/applets/menu/menuapplet.cpp') diff --git a/kicker/applets/menu/menuapplet.cpp b/kicker/applets/menu/menuapplet.cpp new file mode 100644 index 000000000..ae10614c6 --- /dev/null +++ b/kicker/applets/menu/menuapplet.cpp @@ -0,0 +1,511 @@ +/***************************************************************** + +Copyright (c) 2002 Siegfried Nijssen +Copyright (c) 2003 Lubos Lunak + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +******************************************************************/ + +#define _MENUAPPLET_CPP_ + +#include "menuapplet.h" + +#include +#include +#include // avoid X11 #define's + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include + +/* + + KMenuBar from KDE3.1 and older won't work very well with this applet. + This is because QMenuBar tries really hard to keep its preffered size, + se even if the X window for the menubar has the size enforced by this + applet, Qt thinks it has the size Qt wants. This results in parts + of the menubar not being repainted. Also, old KMenuBar always forced + with to be the width of the screen, so even if the menubar has only + few entries, this applet will still indicate the menubar doesn't + fit completely in it. There's no way to fix this, besides upgrading + to KDE3.2. + +*/ + + +extern Time qt_x_time; + +extern "C" +{ + KDE_EXPORT KPanelApplet* init( QWidget* parent_P, const QString& configFile_P ) + { + KGlobal::locale()->insertCatalogue("kmenuapplet"); + return new KickerMenuApplet::Applet( configFile_P, parent_P ); + } +} + +namespace KickerMenuApplet +{ + +static const int MOVE_DIFF = 100; // size increment for left/right menu moving +static const int GROW_WIDTH = 10; // width of grow buttons + +const long SUPPORTED_WINDOW_TYPES = NET::NormalMask | NET::DesktopMask | NET::DockMask + | NET::ToolbarMask | NET::MenuMask | NET::DialogMask | NET::OverrideMask + | NET::TopMenuMask | NET::UtilityMask | NET::SplashMask; + +Applet::Applet( const QString& configFile_P, QWidget* parent_P ) + : KPanelApplet( configFile_P, Normal, 0, parent_P, "menuapplet" ), + DCOPObject( "menuapplet" ), + module( NULL ), + active_menu( NULL ), + selection( NULL ), + selection_watcher( NULL ), + desktop_menu( false ), + topEdgeOffset( 0 ) + { + setBackgroundOrigin(AncestorOrigin); + dcopclient.registerAs( "menuapplet", false ); + // toolbarAppearanceChanged(int) is sent when changing macstyle + connect( kapp, SIGNAL( toolbarAppearanceChanged( int )), + this, SLOT( readSettings())); + claimSelection(); + readSettings(); + updateTopEdgeOffset(); + } + +Applet::~Applet() + { + lostSelection(); // release all menu's before really loosing the selection + delete selection; + delete selection_watcher; + delete module; + KGlobal::locale()->removeCatalogue("kmenuapplet"); + } + +void Applet::windowAdded( WId w_P ) + { + NETWinInfo info( qt_xdisplay(), w_P, qt_xrootwin(), NET::WMWindowType ); + if( info.windowType( SUPPORTED_WINDOW_TYPES ) != NET::TopMenu ) + return; +// kdDebug() << "embedding:" << w_P << endl; + Window transient_for = KWin::transientFor( w_P ); + if( transient_for == None ) + return; + MenuEmbed* embed; + if( transient_for == qt_xrootwin()) + { + embed = new MenuEmbed( transient_for, true, this ); + } + else + { + KWin::WindowInfo info2 = KWin::windowInfo( transient_for, NET::WMWindowType ); + embed = new MenuEmbed( transient_for, + info2.windowType( SUPPORTED_WINDOW_TYPES ) == NET::Desktop, this ); + } + embed->hide(); + embed->move( 0, -topEdgeOffset ); + embed->resize( embed->width(), height() + topEdgeOffset ); + embed->embed( w_P ); + if( embed->embeddedWinId() == None ) + { + delete embed; + return; + } + menus.append( embed ); + // in case the app mapped its menu after its mainwindow, check which menu should be shown + activeWindowChanged( module->activeWindow()); + } + +// - if the active window has its topmenu -> show the menu +// - if desktop menu is enabled (i.e. explicitly in kdesktop) : +// - show it +// - otherwise show nothing +void Applet::activeWindowChanged( WId w_P ) + { +// kdDebug() << "active:" << w_P << endl; + for( WId window = w_P; + window != None; + window = tryTransientFor( window )) + { + for( QValueList< MenuEmbed* >::ConstIterator it = menus.begin(); + it != menus.end(); + ++it ) + { + if( window == (*it)->mainWindow()) + { + activateMenu( *it ); + return; + } + } + } +// kdDebug() << "no active" << endl; + // No menu for active window found - if desktop menu + // (in kdesktoprc) is enabled, use kdesktop's menu instead of none. + bool try_desktop = desktop_menu; + if( !try_desktop && w_P != None ) + { // also use the desktop menu if the active window is desktop + KWin::WindowInfo info = KWin::windowInfo( w_P, NET::WMWindowType ); + if( info.windowType( SUPPORTED_WINDOW_TYPES ) == NET::Desktop ) + try_desktop = true; + } + if( try_desktop ) + { + for( QValueList< MenuEmbed* >::ConstIterator it = menus.begin(); + it != menus.end(); + ++it ) + { + if( (*it)->isDesktopMenu()) + { + activateMenu( *it ); + return; + } + } + } + activateMenu( NULL ); + } + +void Applet::activateMenu( MenuEmbed* embed_P ) + { + if( embed_P != active_menu ) + { +// kdDebug() << "activate:" << embed_P << endl; + if( active_menu != NULL ) + active_menu->hide(); + active_menu = embed_P; + if( active_menu != NULL ) + { + active_menu->show(); + //if (embed->isDesktopMenu()) + { + active_menu->setMinimumSize( width(), height() + topEdgeOffset ); + } + } + emit updateLayout(); + } + + setBackground(); + } + +void Applet::updateMenuGeometry( MenuEmbed* embed ) + { + if( embed == active_menu ) + emit updateLayout(); + } + +// If there's no menu for the window, try finding menu for its mainwindow +// (where the window's WM_TRANSIENT_FOR property points). +// If the window is modal (_NET_WM_STATE_MODAL), stop. +WId Applet::tryTransientFor( WId w_P ) + { + KWin::WindowInfo info = KWin::windowInfo( w_P, NET::WMState ); + if( info.state() & NET::Modal ) + return None; + WId ret = KWin::transientFor( w_P ); + if( ret == qt_xrootwin()) + ret = None; + return ret; + } + +void Applet::menuLost( MenuEmbed* embed ) + { + for( QValueList< MenuEmbed* >::Iterator it = menus.begin(); + it != menus.end(); + ++it ) + { + if( *it == embed ) + { + menus.remove( it ); + embed->deleteLater(); +// kdDebug() << "deleting:" << (*it)->mainWindow() << endl; + if( embed == active_menu ) + { + active_menu = NULL; + // trigger selecting new active menu + activeWindowChanged( module->activeWindow()); + } + return; + } + } + } + +void Applet::positionChange( Position ) + { + updateTopEdgeOffset(); + } + +// Detect mouse movement at the top screen edge also if the menubar +// has a popup open - in such case, Qt has a grab, and this avoids +// Kicker's FittsLawFrame. Therefore move the menubar a bit higher, +// so that it actually is positioned exactly at the screen edge +// (i.e. at a negative y coordinate within this applet, due to +// Kicker's frame). +void Applet::updateTopEdgeOffset() + { + QPoint p = topLevelWidget()->mapToGlobal( QPoint( 0, 0 )); + if( p.y() <= 2 ) // 2 = work also when running in appletproxy + topEdgeOffset = mapToGlobal( QPoint( 0, 0 )).y() - p.y(); + else + topEdgeOffset = 0; + if( active_menu != NULL ) + active_menu->move( active_menu->x(), -topEdgeOffset ); + } + +void Applet::paletteChange(const QPalette & /* oldPalette */) +{ + setBackground(); +} + +void Applet::moveEvent( QMoveEvent* ) +{ + setBackground(); +} + +void Applet::setBackground() +{ + if (active_menu) + active_menu->setBackground(); +} + +void Applet::claimSelection() + { + assert( selection == NULL ); + selection = new KSelectionOwner( makeSelectionAtom(), DefaultScreen( qt_xdisplay())); +// force taking the selection, but don't kill previous owner + if( selection->claim( true, false )) + { + delete selection_watcher; + selection_watcher = NULL; + connect( selection, SIGNAL( lostOwnership()), SLOT( lostSelection())); + module = new KWinModule; + connect( module, SIGNAL( windowAdded( WId )), this, SLOT( windowAdded( WId ))); + connect( module, SIGNAL( activeWindowChanged( WId )), + this, SLOT( activeWindowChanged( WId ))); + QValueList< WId > windows = module->windows(); + for( QValueList< WId >::ConstIterator it = windows.begin(); + it != windows.end(); + ++it ) + windowAdded( *it ); + activeWindowChanged( module->activeWindow()); + } + else + lostSelection(); + } + +void Applet::lostSelection() + { + if( selection == NULL ) + return; +// kdDebug() << "lost selection" << endl; + for( QValueList< MenuEmbed* >::ConstIterator it = menus.begin(); + it != menus.end(); + ++it ) + delete (*it); // delete all MenuEmbed's = release all menus + menus.clear(); + active_menu = NULL; + if( selection_watcher == NULL ) + { + selection_watcher = new KSelectionWatcher( makeSelectionAtom(), DefaultScreen( qt_xdisplay())); + connect( selection_watcher, SIGNAL( lostOwner()), this, SLOT( claimSelection())); + } + delete module; + module = NULL; + selection->deleteLater(); + selection = NULL; + // selection_watcher stays + } + +void Applet::readSettings() + { + KConfig cfg( "kdesktoprc", true ); + cfg.setGroup( "Menubar" ); + desktop_menu = cfg.readBoolEntry( "ShowMenubar", false ); + cfg.setGroup( "KDE" ); + if( cfg.readBoolEntry( "macStyle", false ) || desktop_menu ) + QToolTip::remove( this ); + else + QToolTip::add( this, i18n( + "You do not appear to have enabled the standalone menubar; " + "enable it in the Behavior control module for desktop." )); + if( !isDisabled() && active_menu == NULL ) + activeWindowChanged( module->activeWindow()); //enforce desktop_menu + } + +void Applet::configure() + { + readSettings(); + } + +int Applet::widthForHeight( int ) const + { + if (active_menu) + return active_menu->width(); + return 0; // we're stretch applet + } + +int Applet::heightForWidth( int ) const + { + // *shrug* running this applet in vertical mode is a bad idea anyway + return 50; + } + +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 ]; + } + +Atom Applet::makeSelectionAtom() + { + if( selection_atom == None ) + initAtoms(); + return selection_atom; + } + +MenuEmbed::MenuEmbed( WId mainwindow_P, bool desktop_P, + QWidget* parent_P, const char* name_P ) + : QXEmbed( parent_P, name_P ), + main_window( mainwindow_P ), + desktop( desktop_P ) + { + setAutoDelete( false ); + } + +void MenuEmbed::windowChanged( WId w_P ) + { + if( w_P == None ) + static_cast< Applet* >( parent())->menuLost( this ); + } + +bool MenuEmbed::x11Event( XEvent* ev_P ) + { + if( ev_P->type == ConfigureRequest + && ev_P->xconfigurerequest.window == embeddedWinId() + && ev_P->xconfigurerequest.value_mask & ( CWWidth | CWHeight )) + { + XConfigureRequestEvent& ev = ev_P->xconfigurerequest; + QSize new_size = size(); + if( ev.value_mask & CWWidth ) + new_size.setWidth( ev.width ); + if( ev.value_mask & CWHeight ) + new_size.setHeight( ev.height ); + // resize when the embedded window resizes (still obey min size) +// kdDebug() << "RES:" << embeddedWinId() << ":" << ev.width << ":" << ev.height << endl; + if( ev.width != width() || ev.height != height()) + { + resize( ev.width, ev.height ); + static_cast< Applet* >( parent())->updateMenuGeometry( this ); + } + sendSyntheticConfigureNotifyEvent(); +// int x, y; +// unsigned int w, h, d, b; +// Window root; +// XGetGeometry( qt_xdisplay(), embeddedWinId(), &root, &x, &y, &w, &h, &b, &d ); +// kdDebug() << "RES3:" << width() << ":" << height() << ":" << w << ":" << h << endl; + return true; + } + return QXEmbed::x11Event( ev_P ); + } + +void MenuEmbed::sendSyntheticConfigureNotifyEvent() +{ + QPoint globalPos = mapToGlobal(QPoint(0,0)); + if (embeddedWinId()) { + XConfigureEvent c; + memset(&c, 0, sizeof(c)); + c.type = ConfigureNotify; + c.display = qt_xdisplay(); + c.send_event = True; + c.event = embeddedWinId(); + c.window = winId(); + c.x = globalPos.x(); + c.y = globalPos.y(); + c.width = width(); + c.height = height(); + c.border_width = 0; + c.above = None; + c.override_redirect = 0; + XSendEvent(qt_xdisplay(), c.event, true, StructureNotifyMask, (XEvent*)&c); + } +} + +void MenuEmbed::setMinimumSize( int w, int h ) +{ + QXEmbed::setMinimumSize( w, h ); + // tell the menubar also the allowed minimum size + // the applet won't allow resizing to smaller size + if( embeddedWinId() != None ) + { +// kdDebug() << "RES2:" << width() << ":" << height() << ":" << minimumWidth() << ":" << minimumHeight() << endl; + XEvent ev; + ev.xclient.display = qt_xdisplay(); + ev.xclient.type = ClientMessage; + ev.xclient.window = embeddedWinId(); + assert( msg_type_atom != None ); + ev.xclient.message_type = msg_type_atom; + ev.xclient.format = 32; + ev.xclient.data.l[0] = qt_x_time; + ev.xclient.data.l[1] = minimumWidth(); + ev.xclient.data.l[2] = minimumHeight(); + ev.xclient.data.l[3] = 0; + ev.xclient.data.l[4] = 0; + XSendEvent( qt_xdisplay(), embeddedWinId(), False, NoEventMask, &ev ); + } +} + +void MenuEmbed::setBackground() +{ + const QPixmap *pbg = parentWidget()->backgroundPixmap(); + + if (pbg) + { + QPixmap bg(width(), height()); + bg.fill(parentWidget(), pos()); + setPaletteBackgroundPixmap(bg); + setBackgroundOrigin(WidgetOrigin); + } + else + unsetPalette(); + + hide(); + show(); + //XClearArea(x11Display(), embeddedWinId(), 0, 0, 0, 0, True); +} + +} // namespace + +#include "menuapplet.moc" -- cgit v1.2.3