A brightness applet

4 files changed, 335 insertions, 0 deletions

diff --git a/noncore/applets/brightnessapplet/brightnessapplet.cpp b/noncore/applets/brightnessapplet/brightnessapplet.cpp
new file mode 100644
index 0000000..1ade35e
--- a/dev/null
+++ b/noncore/applets/brightnessapplet/brightnessapplet.cpp
@@ -0,0 +1,235 @@
+/*
+                             This file is part of the Opie Project
+
+              =.             (C) 2004 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+            .=l.             Based on Qtopia 1.7 Brightnessapplet (C) 2003-2004 TrollTech
+           .>+-=
+ _;:,     .>    :=|.         This program is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       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 application; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#include "brightnessapplet.h"
+
+/* OPIE */
+#include <opie2/odebug.h>
+#include <opie2/odevice.h>
+#include <opie2/otaskbarapplet.h>
+#include <qpe/applnk.h>
+#include <qpe/config.h>
+#include <qpe/power.h>
+#include <qpe/qcopenvelope_qws.h>
+#include <qpe/resource.h>
+using namespace Opie::Core;
+using namespace Opie::Ui;
+
+/* QT */
+#include <qpainter.h>
+#include <qlabel.h>
+#include <qslider.h>
+#include <qlayout.h>
+
+/* STD */
+#include <assert.h>
+
+/* XPM */
+static const char * const light_on_xpm[] = {
+"9 16 5 1",
+"       c None",
+".      c #FFFFFFFF0000",
+"X      c #000000000000",
+"o      c #FFFFFFFFFFFF",
+"O      c #FFFF6C6C0000",
+"         ",
+"   XXX   ",
+"  XoooX  ",
+" Xoooo.X ",
+"Xoooooo.X",
+"Xoooo...X",
+"Xooo.o..X",
+" Xooo..X ",
+" Xoo...X ",
+"  Xoo.X  ",
+"  Xoo.XX ",
+"  XOOOXX ",
+"  XOOOXX ",
+"   XOXX  ",
+"    XX   ",
+"         "};
+
+
+/* XPM */
+static const char * const light_off_xpm[] = {
+"9 16 4 1",
+"       c None",
+".      c #000000000000",
+"X      c #6B6B6C6C6C6C",
+"o      c #FFFF6C6C0000",
+"         ",
+"         ",
+"   ...   ",
+"  .   .  ",
+" .    X. ",
+".      X.",
+".    XXX.",
+".   X XX.",
+" .   XX. ",
+" .  XXX. ",
+"  .  X.  ",
+"  .  X.. ",
+"  .ooo.. ",
+"  .ooo.. ",
+"   .o..  ",
+"    ..   "};
+
+BrightnessAppletControl::BrightnessAppletControl( OTaskbarApplet* parent, const char* name )
+                    :QFrame( parent, name, WStyle_StaysOnTop | WType_Popup )
+{
+    setFrameStyle( QFrame::PopupPanel | QFrame::Raised );
+    QGridLayout *gl = new QGridLayout( this, 3, 2, 6, 3 );
+    //gl->setRowStretch( 1, 100 );
+
+    int maxbright = ODevice::inst()->displayBrightnessResolution();
+    slider = new QSlider(this);
+    slider->setMaxValue(maxbright);
+    slider->setOrientation(QSlider::Vertical);
+    slider->setTickmarks(QSlider::Right);
+    slider->setTickInterval(QMAX(1, maxbright / 16));
+    slider->setLineStep(QMAX(1, maxbright / 16));
+    slider->setPageStep(QMAX(1, maxbright / 16));
+    gl->addMultiCellWidget( slider, 0, 2, 0, 0 );
+
+    QPixmap onPm( (const char **)light_on_xpm );
+    QLabel *l = new QLabel( this );
+    l->setPixmap( onPm );
+    gl->addWidget( l, 0, 1 );
+
+    QPixmap offPm( (const char **)light_off_xpm );
+    l = new QLabel( this );
+    l->setPixmap( offPm );
+    gl->addWidget( l, 2, 1 );
+
+    setFixedHeight( 100 );
+    setFixedWidth( gl->sizeHint().width() );
+    setFocusPolicy(QWidget::NoFocus);
+}
+
+
+BrightnessAppletControl::~BrightnessAppletControl()
+{
+}
+
+
+BrightnessApplet::BrightnessApplet( QWidget *parent, const char *name )
+             :OTaskbarApplet( parent, name )
+{
+    setFixedHeight( AppLnk::smallIconSize() );
+    setFixedWidth( AppLnk::smallIconSize() );
+    _pixmap.convertFromImage( Resource::loadImage( "brightnessapplet/icon" ).smoothScale( height(), width() ) );
+   _control = new BrightnessAppletControl( this, "control" );
+}
+
+
+void BrightnessApplet::writeSystemBrightness(int brightness)
+{
+    PowerStatus ps = PowerStatusManager::readStatus();
+
+    Config cfg("qpe");
+    if (ps.acStatus() == PowerStatus::Online) {
+        cfg.setGroup("AC");
+    } else {
+        cfg.setGroup("Battery");
+    }
+    cfg.writeEntry("Brightness", brightness);
+}
+
+
+int BrightnessApplet::readSystemBrightness(void)
+{
+    PowerStatus ps = PowerStatusManager::readStatus();
+    Config cfg("qpe");
+
+    if (ps.acStatus() == PowerStatus::Online) {
+        cfg.setGroup("AC");
+    } else {
+        cfg.setGroup("Battery");
+    }
+
+    return cfg.readNumEntry("Brightness", 128);
+}
+
+
+BrightnessApplet::~BrightnessApplet()
+{
+}
+
+
+int BrightnessApplet::position()
+{
+    return 7;
+}
+
+
+void BrightnessApplet::paintEvent( QPaintEvent* )
+{
+    QPainter p(this);
+    p.drawPixmap(0, 0, _pixmap );
+}
+
+
+int BrightnessApplet::calcBrightnessValue()
+{
+    int v = _control->slider->maxValue() - _control->slider->value();
+    return (v * 255 + _control->slider->maxValue() / 2) / _control->slider->maxValue();
+}
+
+
+void BrightnessApplet::sliderMoved( int value )
+{
+#ifndef QT_NO_COP
+    QCopEnvelope e("QPE/System", "setBacklight(int)");
+    e << calcBrightnessValue();
+#else
+#error This Applet makes no sense without QCOP
+#endif // QT_NO_COP
+}
+
+
+void BrightnessApplet::mousePressEvent( QMouseEvent* )
+{
+    if ( !_control->isVisible() )
+    {
+        int v = 255 - readSystemBrightness();
+        popup( _control );
+        _control->slider->setValue((_control->slider->maxValue() * v + 128) / 255);
+        connect(_control->slider, SIGNAL(valueChanged(int)), this, SLOT(sliderMoved(int)));
+    }
+    else
+    {
+        _control->hide();
+        writeSystemBrightness( calcBrightnessValue() );
+    }
+}
+
+
+EXPORT_OPIE_APPLET_v1( BrightnessApplet )
+
diff --git a/noncore/applets/brightnessapplet/brightnessapplet.h b/noncore/applets/brightnessapplet/brightnessapplet.h
new file mode 100644
index 0000000..8b88bd1
--- a/dev/null
+++ b/noncore/applets/brightnessapplet/brightnessapplet.h
@@ -0,0 +1,81 @@
+/*
+                             This file is part of the Opie Project
+
+              =.             (C) 2004 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+            .=l.             Based on Qtopia 1.7 Brightnessapplet (C) 2003-2004 TrollTech
+           .>+-=
+ _;:,     .>    :=|.         This program is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       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 application; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#ifndef NETWORKAPPLET_H
+#define NETWORKAPPLET_H
+
+#include <opie2/otaskbarapplet.h>
+#include <qframe.h>
+#include <qstring.h>
+#include <qtoolbutton.h>
+#include <qlineedit.h>
+#include <qpixmap.h>
+
+class QShowEvent;
+class QHideEvent;
+class QSlider;
+
+class BrightnessAppletControl : public QFrame
+{
+  public:
+    BrightnessAppletControl( Opie::Ui::OTaskbarApplet* parent, const char* name = 0 );
+    ~BrightnessAppletControl();
+
+    QSlider* slider;
+};
+
+class BrightnessApplet : public Opie::Ui::OTaskbarApplet
+{
+  Q_OBJECT
+
+  public:
+    BrightnessApplet( QWidget* parent = 0, const char* name = 0 );
+    ~BrightnessApplet();
+
+    void writeSystemBrightness( int brightness );
+    int readSystemBrightness();
+    int calcBrightnessValue();
+
+    static int position();
+
+  public slots:
+    void sliderMoved( int value );
+
+  protected:
+    virtual void paintEvent( QPaintEvent* );
+    virtual void mousePressEvent( QMouseEvent* );
+
+  private:
+    BrightnessAppletControl* _control;
+    QPixmap _pixmap;
+};
+
+#endif
+
diff --git a/noncore/applets/brightnessapplet/brightnessapplet.pro b/noncore/applets/brightnessapplet/brightnessapplet.pro
new file mode 100644
index 0000000..5044f38
--- a/dev/null
+++ b/noncore/applets/brightnessapplet/brightnessapplet.pro
@@ -0,0 +1,13 @@
+TEMPLATE    = lib
+CONFIG      += qt plugin warn_on 
+HEADERS     = brightnessapplet.h
+SOURCES     = brightnessapplet.cpp
+TARGET      = brightnessapplet
+DESTDIR     = $(OPIEDIR)/plugins/applets
+INCLUDEPATH += $(OPIEDIR)/include
+DEPENDPATH  += $(OPIEDIR)/include
+LIBS        += -lqpe -lopiecore2 -lopieui2
+VERSION     = 0.1.0
+
+
+include ( $(OPIEDIR)/include.pro )
diff --git a/noncore/applets/brightnessapplet/config.in b/noncore/applets/brightnessapplet/config.in
new file mode 100644
index 0000000..ba88bf0
--- a/dev/null
+++ b/noncore/applets/brightnessapplet/config.in
@@ -0,0 +1,6 @@
+  config BRIGHTNESSAPPLET
+    boolean "opie-brightness (control lcd brightness on-the-fly)"
+    default "n"
+    depends ( LIBQPE || LIBQPE-X11 ) && LIBOPIE2CORE && LIBOPIE2UI
+    comment "Network applet needs a libqpe and libopie2 (core, ui)"
+    depends !(( LIBQPE || LIBQPE-X11 ) && LIBOPIE2CORE && LIBOPIE2UI)