summaryrefslogtreecommitdiffstats
path: root/krootbacking/krootbacking.h
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/krootbacking.h
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/krootbacking.h')
-rw-r--r--krootbacking/krootbacking.h179
1 files changed, 179 insertions, 0 deletions
diff --git a/krootbacking/krootbacking.h b/krootbacking/krootbacking.h
new file mode 100644
index 000000000..12d6b1bfd
--- /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