summaryrefslogtreecommitdiffstats
path: root/krootbacking
diff options
context:
space:
mode:
authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-08-27 23:57:48 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-08-27 23:57:48 +0000
commitf62a335a9aa23c9a10a9768caf5a9c2eae922861 (patch)
tree9583ca8596d900e6ae91cb4b6d9bd206b63daf7f /krootbacking
parent6009a3e92e25428830047bd4dd8da300135f8c85 (diff)
downloadtdebase-f62a335a9aa23c9a10a9768caf5a9c2eae922861.tar.gz
tdebase-f62a335a9aa23c9a10a9768caf5a9c2eae922861.zip
Move krootbacking executable from kdeartwork to kdebase
Reenable HAL media manager Fix system tray with ARGB visuals (again) Beautify logout process git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1249834 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'krootbacking')
-rw-r--r--krootbacking/CMakeLists.txt30
-rw-r--r--krootbacking/krootbacking.cpp261
-rw-r--r--krootbacking/krootbacking.h179
-rw-r--r--krootbacking/main.cpp73
4 files changed, 543 insertions, 0 deletions
diff --git a/krootbacking/CMakeLists.txt b/krootbacking/CMakeLists.txt
new file mode 100644
index 00000000..ee7096b9
--- /dev/null
+++ b/krootbacking/CMakeLists.txt
@@ -0,0 +1,30 @@
+#################################################
+#
+# (C) 2011 Timothy Pearson
+# kb9vqf (AT) pearsoncomputing (DOT) net
+#
+# Improvements and feedback are welcome
+#
+# This file is released under GPL >= 2
+#
+#################################################
+
+include_directories(
+ ${CMAKE_CURRENT_BINARY_DIR}
+ ${CMAKE_CURRENT_SOURCE_DIR}
+ ${TDE_INCLUDE_DIR}
+ ${TQT_INCLUDE_DIRS}
+)
+
+link_directories(
+ ${TQT_LIBRARY_DIRS}
+)
+
+##### krootbacking (executable) ####################
+
+tde_add_executable( krootbacking AUTOMOC
+ SOURCES
+ main.cpp krootbacking.cpp
+ LINK kdeui-shared
+ DESTINATION ${BIN_INSTALL_DIR}
+)
diff --git a/krootbacking/krootbacking.cpp b/krootbacking/krootbacking.cpp
new file mode 100644
index 00000000..c105f8d5
--- /dev/null
+++ b/krootbacking/krootbacking.cpp
@@ -0,0 +1,261 @@
+/***************************************************************************
+ * 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 "krootbacking.moc"
diff --git a/krootbacking/krootbacking.h b/krootbacking/krootbacking.h
new file mode 100644
index 00000000..12d6b1bf
--- /dev/null
+++ b/krootbacking/krootbacking.h
@@ -0,0 +1,179 @@
+/***************************************************************************
+ * 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. *
+ ***************************************************************************/
+
+
+#ifndef KROOTBACKING_H
+#define KROOTBACKING_H
+
+#include <stdlib.h>
+
+#include <tqobject.h>
+#include <tqcolor.h>
+#include <kdelibs_export.h>
+
+#ifndef Q_WS_QWS //FIXME
+
+class TQRect;
+class TQWidget;
+class TQTimer;
+class KSharedPixmap;
+class KRootBackingData;
+
+/**
+ * Gets the current full shared desktop pixmap and feeds it to xscreensaver
+ *
+ * @author Timothy Pearson <kb9vqf@pearsoncomputing.net>
+ */
+class KRootBacking: public TQObject
+{
+ Q_OBJECT
+
+public:
+ /**
+ * Constructs a KRootBacking.
+ */
+ KRootBacking();
+
+ /**
+ * Destructs the object.
+ */
+ virtual ~KRootBacking();
+
+ /**
+ * Checks if pseudo-transparency is available.
+ * @return @p true if transparency is available, @p false otherwise.
+ */
+ bool isAvailable() const;
+
+ /**
+ * Returns true if the KRootBacking is active.
+ */
+ bool isActive() const { return m_bActive; }
+
+ /**
+ * Returns the number of the current desktop.
+ */
+ int currentDesktop() const;
+
+#ifndef KDE_NO_COMPAT
+ /**
+ * Deprecated, use isAvailable() instead.
+ * @deprecated
+ */
+ KDE_DEPRECATED bool checkAvailable(bool) { return isAvailable(); }
+#endif
+
+ /** @since 3.2
+ * @return the fade color.
+ */
+ const TQColor &color() const { return m_FadeColor; }
+
+ /** @since 3.2
+ * @return the color opacity.
+ */
+ double opacity() const { return m_Fade; }
+
+public slots:
+ /**
+ * Starts background handling.
+ */
+ virtual void start();
+
+ /**
+ * Stops background handling.
+ */
+ virtual void stop();
+
+ /**
+ * Sets the fade effect.
+ *
+ * This effect will fade the background to the
+ * specified color.
+ * @param opacity A value between 0 and 1, indicating the opacity
+ * of the color. A value of 0 will not change the image, a value of 1
+ * will use the fade color unchanged.
+ * @param color The color to fade to.
+ */
+ void setFadeEffect(double opacity, const TQColor &color);
+
+ /**
+ * Repaints the widget background. Normally, you shouldn't need this
+ * as it is handled automatically.
+ *
+ * @param force Force a tqrepaint, even if the contents did not change.
+ */
+ void tqrepaint( bool force );
+
+ /**
+ * Repaints the widget background. Normally, you shouldn't need this
+ * as it is handled automatically. This is equivalent to calling
+ * tqrepaint( false ).
+ */
+ void tqrepaint();
+
+ /**
+ * Asks KDesktop to export the desktop background as a KSharedPixmap.
+ * This method uses DCOP to call KBackgroundIface/setExport(int).
+ */
+ void enableExports();
+
+ /**
+ * Returns the name of the shared pixmap (only needed for low level access)
+ */
+ static TQString pixmapName(int desk);
+signals:
+ /**
+ * Emitted when the background needs updating and custom painting
+ * (see setCustomPainting(bool) ) is enabled.
+ *
+ * @param pm A pixmap containing the new background.
+ */
+ void backgroundUpdated( const TQPixmap &pm );
+
+protected:
+ /**
+ * Called when the pixmap has been updated. The default implementation
+ * applies the fade effect, then sets the target's background, or emits
+ * backgroundUpdated(const TQPixmap &) depending on the painting mode.
+ */
+ virtual void updateBackground( KSharedPixmap * );
+
+private slots:
+ void slotBackgroundChanged(int);
+ void slotDone(bool);
+
+private:
+ bool m_bActive, m_bInit;
+ int m_Desk;
+ int m_timeout;
+
+ double m_Fade;
+ TQColor m_FadeColor;
+
+ TQRect m_Rect;
+ TQTimer *m_pTimer;
+ KSharedPixmap *m_pPixmap;
+ KRootBackingData *d;
+
+ void init();
+};
+
+#endif // ! Q_WS_QWS
+
+#endif // KROOTBACKING_H
diff --git a/krootbacking/main.cpp b/krootbacking/main.cpp
new file mode 100644
index 00000000..6b35a51a
--- /dev/null
+++ b/krootbacking/main.cpp
@@ -0,0 +1,73 @@
+/***************************************************************************
+ * 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 <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <tqobject.h>
+#include <tqtimer.h>
+
+#include <kapplication.h>
+#include <kaboutdata.h>
+#include <kcmdlineargs.h>
+#include <klocale.h>
+#include <kdebug.h>
+
+#include "krootbacking.h"
+
+bool argb_visual = false;
+
+static const char description[] =
+ I18N_NOOP("A program to grab the current TDE desktop backrounds for xscreensaver");
+
+static const char version[] = "0.1";
+
+static KCmdLineOptions options[] =
+{
+ KCmdLineLastOption
+};
+
+int main(int argc, char **argv)
+{
+ KAboutData about("krootbacking", I18N_NOOP("krootbacking"), version, description,
+ KAboutData::License_GPL, "(C) 2011 Timothy Pearson", 0, 0, "kb9vqf@pearsoncomputing.net");
+ about.addAuthor( "Timothy Pearson", 0, "kb9vqf@pearsoncomputing.net" );
+ KCmdLineArgs::init(argc, argv, &about);
+ KCmdLineArgs::addCmdLineOptions( options );
+
+ KApplication app;
+
+ // no session.. just start up normally
+ KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
+
+ /// @todo do something with the command line args here
+ args->clear();
+
+ TQObject* mainWin = new KRootBacking();
+ TQTimer *timer = new QTimer( mainWin );
+ TQObject::connect( timer, SIGNAL(timeout()), mainWin, SLOT(start()) );
+ timer->start( 100, TRUE ); // 100ms single shot timer
+
+ app.exec();
+
+ delete timer;
+ delete mainWin;
+}
+