diff options
Diffstat (limited to 'kscreensaver/krootbacking/krootbacking.cpp')
| -rw-r--r-- | kscreensaver/krootbacking/krootbacking.cpp | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/kscreensaver/krootbacking/krootbacking.cpp b/kscreensaver/krootbacking/krootbacking.cpp deleted file mode 100644 index 4a4d5543..00000000 --- a/kscreensaver/krootbacking/krootbacking.cpp +++ /dev/null @@ -1,262 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2011 by Timothy Pearson <kb9vqf@pearsoncomputing.net> * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program 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 General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * - ***************************************************************************/ - -#include <tqwidget.h> -#include <tqtimer.h> -#include <tqrect.h> -#include <tqimage.h> - -#include <kapplication.h> -#include <kimageeffect.h> -#include <kpixmapio.h> -#include <kwinmodule.h> -#include <kwin.h> -#include <kdebug.h> -#include <netwm.h> -#include <dcopclient.h> -#include <dcopref.h> - -#include <ksharedpixmap.h> -#include <kstandarddirs.h> -#include <krootbacking.h> - -static TQString wallpaperForDesktop(int desktop) -{ - return DCOPRef("kdesktop", "KBackgroundIface").call("currentWallpaper", desktop); -} - -class KRootBackingData -{ -public: - TQWidget *toplevel; -#ifdef Q_WS_X11 - KWinModule *kwin; -#endif -}; - - -KRootBacking::KRootBacking() - : TQObject(KApplication::desktop(), "KRootBacking" ), m_Desk(0), m_timeout(0) -{ - init(); -} - -void KRootBacking::init() -{ - d = new KRootBackingData; - m_Fade = 0; - m_pPixmap = new KSharedPixmap; //ordinary KPixmap on win32 - m_pTimer = new TQTimer( this ); - m_bInit = false; - m_bActive = false; - - connect(kapp, TQT_SIGNAL(backgroundChanged(int)), TQT_SLOT(slotBackgroundChanged(int))); - connect(m_pTimer, TQT_SIGNAL(timeout()), TQT_SLOT(tqrepaint())); -#ifdef Q_WS_X11 - connect(m_pPixmap, TQT_SIGNAL(done(bool)), TQT_SLOT(slotDone(bool))); - - d->kwin = new KWinModule( this ); -#endif - - m_bInit = true; -} - -KRootBacking::~KRootBacking() -{ - delete m_pPixmap; - delete d; -} - - -int KRootBacking::currentDesktop() const -{ -#ifdef Q_WS_X11 - NETRootInfo rinfo( qt_xdisplay(), NET::CurrentDesktop ); - rinfo.activate(); - return rinfo.currentDesktop(); -#endif -} - - -void KRootBacking::start() -{ - if (m_bActive) - return; - - m_bActive = true; - if ( !isAvailable() ) - { - // We should get a KIPC message when the shared pixmap is available... - enableExports(); - if (m_timeout < 50) { - TQTimer::singleShot( 100, this, SLOT(show()) ); // ...but it doesn't always work! - m_timeout++; - return; - } - } - if (m_bInit) { - tqrepaint(true); - } -} - - -void KRootBacking::stop() -{ - m_bActive = false; - m_pTimer->stop(); -} - - -void KRootBacking::setFadeEffect(double fade, const TQColor &color) -{ - if (fade < 0) - m_Fade = 0; - else if (fade > 1) - m_Fade = 1; - else - m_Fade = fade; - m_FadeColor = color; - - if ( m_bActive && m_bInit ) tqrepaint(true); -} - -void KRootBacking::tqrepaint() -{ - tqrepaint(false); -} - - -void KRootBacking::tqrepaint(bool force) -{ - TQWidget* desktopWidget = KApplication::desktop(); - TQPoint p1 = desktopWidget->mapToGlobal(desktopWidget->rect().topLeft()); - TQPoint p2 = desktopWidget->mapToGlobal(desktopWidget->rect().bottomRight()); - if (!force && (m_Rect == TQRect(p1, p2))) - return; - - m_Rect = TQRect(p1, p2); -#ifdef Q_WS_X11 - m_Desk = currentDesktop(); - - // KSharedPixmap will correctly generate a tile for us. - m_pPixmap->loadFromShared(pixmapName(m_Desk), m_Rect); -#else - m_Desk = currentDesktop(); - // !x11 note: tile is not generated! - // TODO: pixmapName() is a nonsense now! - m_pPixmap->load( pixmapName(m_Desk) ); - if (!m_pPixmap->isNull()) { - m_pPixmap->resize( m_Rect.size() ); - slotDone(true); - } -#endif -} - -bool KRootBacking::isAvailable() const -{ -// #ifdef Q_WS_X11 -// return m_pPixmap->isAvailable(pixmapName(m_Desk)); -// #else - return m_pPixmap->isNull(); -// #endif -} - -TQString KRootBacking::pixmapName(int desk) { - TQString pattern = TQString("DESKTOP%1"); -#ifdef Q_WS_X11 - int screen_number = DefaultScreen(qt_xdisplay()); - if (screen_number) { - pattern = TQString("SCREEN%1-DESKTOP").arg(screen_number) + "%1"; - } -#endif - return pattern.arg( desk ); -} - - -void KRootBacking::enableExports() -{ -#ifdef Q_WS_X11 - kdDebug(270) << k_lineinfo << "activating background exports.\n"; - DCOPClient *client = kapp->dcopClient(); - if (!client->isAttached()) - client->attach(); - TQByteArray data; - TQDataStream args( data, IO_WriteOnly ); - args << 1; - - TQCString appname( "kdesktop" ); - int screen_number = DefaultScreen(qt_xdisplay()); - if ( screen_number ) - appname.sprintf("kdesktop-screen-%d", screen_number ); - - client->send( appname, "KBackgroundIface", "setExport(int)", data ); -#endif -} - - -void KRootBacking::slotDone(bool success) -{ - if (!success) - { - kdWarning(270) << k_lineinfo << "loading of desktop background failed.\n"; - if (m_timeout < 50) { - TQTimer::singleShot( 100, this, SLOT(show()) ); - m_timeout++; - return; - } - } - - // We need to test active as the pixmap might become available - // after the widget has been destroyed. - if ( m_bActive ) - updateBackground( m_pPixmap ); -} - -void KRootBacking::updateBackground( KSharedPixmap *spm ) -{ - TQPixmap pm = *spm; - - if (m_Fade > 1e-6) - { - KPixmapIO io; - TQImage img = io.convertToImage(pm); - img = KImageEffect::fade(img, m_Fade, m_FadeColor); - pm = io.convertToPixmap(img); - } - - TQString filename = getenv("USER"); - filename.prepend("/tmp/kde-"); - filename.append("/krootbacking.png"); - pm.save(filename, "PNG"); - printf("%s\n\r", filename.ascii()); fflush(stdout); - exit(0); -} - - -void KRootBacking::slotBackgroundChanged(int desk) -{ - if (!m_bInit || !m_bActive) - return; - - if (desk == m_Desk) - tqrepaint(true); -} - -// #include "krootpixmap.moc" - |