add error message of camera is not found

remove inlines (for now) because of link-problems

4 files changed, 42 insertions, 8 deletions

diff --git a/noncore/multimedia/camera/mainwindow.cpp b/noncore/multimedia/camera/mainwindow.cpp
index 7080e63..34ebe9e 100644
--- a/noncore/multimedia/camera/mainwindow.cpp
+++ b/noncore/multimedia/camera/mainwindow.cpp
@@ -1,89 +1,121 @@
 /**********************************************************************
 ** Copyright (C) 2002 Michael 'Mickey' Lauer.  All rights reserved.
 **
 ** This file is part of Opie Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #include "mainwindow.h"
 #include "previewwidget.h"
 #include "zcameraio.h"
 
 #include <qvbox.h>
 #include <qcombobox.h>
+#include <qcursor.h>
 #include <qdatastream.h>
-#include <qpushbutton.h>
 #include <qlabel.h>
+#include <qpopupmenu.h>
+#include <qpushbutton.h>
+#include <qmessagebox.h>
 #include <qdirectpainter_qws.h>
 #include <qpe/resource.h>
 #include <qpe/qcopenvelope_qws.h>
 #include <opie/ofiledialog.h>
 
 #include <opie2/odebug.h>
 
 #include <assert.h>
 
 CameraMainWindow::CameraMainWindow( QWidget * parent, const char * name, WFlags f )
            :QMainWindow( parent, name, f )
 {
+    if ( !ZCameraIO::instance()->isOpen() )
+    {
+        QVBox* v = new QVBox( this );
+        v->setMargin( 10 );
+        QLabel* l1 = new QLabel( v );
+        l1->setPixmap( Resource::loadPixmap( "camera/error" ) );
+        QLabel* l2 = new QLabel( v );
+        l2->setText( "<b>Sorry. could not detect your camera :-(</b><p>"
+        "* Is the sharpzdc_cs module loaded ?<br>"
+        "* Is /dev/sharpzdc read/writable ?<p>" );
+        connect( new QPushButton( "Exit", v ), SIGNAL( clicked() ), this, SLOT( close() ) );
+        setCentralWidget( v );
+        return;
+    }
+
     _rotation = 270; //TODO: grab these from the actual settings
 
     preview = new PreviewWidget( this, "camera preview widget" );
     //setCentralWidget( preview ); <--- don't do this!
     preview->resize( QSize( 240, 288 ) );
     preview->show();
 
     // construct a System Channel to receive setRotation messages
     _sysChannel = new QCopChannel( "QPE/System", this );
     connect( _sysChannel, SIGNAL( received( const QCString&, const QByteArray& ) ),
              this, SLOT( systemMessage( const QCString&, const QByteArray& ) ) );
 
+    connect( preview, SIGNAL( contextMenuRequested() ), this, SLOT( showContextMenu() ) );
 };
 
 
 CameraMainWindow::~CameraMainWindow()
 {
 }
 
 
 void CameraMainWindow::systemMessage( const QCString& msg, const QByteArray& data )
 {
     QDataStream stream( data, IO_ReadOnly );
     odebug << "received system message: " << msg << oendl;
     if ( msg == "setCurrentRotation(int)" )
     {
         stream >> _rotation;
         odebug << "received setCurrentRotation(" << _rotation << ")" << oendl;
 
         switch ( _rotation )
         {
             case 270: preview->resize( QSize( 240, 288 ) ); break;
             case 180: preview->resize( QSize( 320, 208 ) ); break;
-            default: assert( 0 ); // not yet handled
+            default: QMessageBox::warning( this, "opie-camera",
+                "This rotation is not supported.\n"
+                "Supported are 180° and 270°" );
         }
     }
 }
 
 
 void CameraMainWindow::changeZoom( int zoom )
 {
     int z;
     switch ( zoom )
     {
         case 0: z = 128; break;
         case 1: z = 256; break;
         case 2: z = 512; break;
         default: assert( 0 ); break;
     }
 
     ZCameraIO::instance()->setCaptureFrame( 240, 160, z );
 }
 
+
+void CameraMainWindow::showContextMenu()
+{
+    QPopupMenu m( this );
+    m.insertItem( "Item 1" );
+    m.insertItem( "Item 1" );
+    m.insertItem( "Item 1" );
+    m.insertItem( "Item 1" );
+    m.exec( QCursor::pos() );
+}
+
diff --git a/noncore/multimedia/camera/mainwindow.h b/noncore/multimedia/camera/mainwindow.h
index cc12840..df66204 100644
--- a/noncore/multimedia/camera/mainwindow.h
+++ b/noncore/multimedia/camera/mainwindow.h
@@ -11,41 +11,43 @@
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
 #include <qmainwindow.h>
 #include <qdatetime.h>
 #include <qimage.h>
 #include <qpixmap.h>
 
 class QIconSet;
 class QToolButton;
 class QLabel;
 class MainWindowBase;
 class QCopChannel;
 class PreviewWidget;
 
 class CameraMainWindow: public QMainWindow
 {
   Q_OBJECT
 
   public:
     CameraMainWindow( QWidget * parent = 0, const char * name = "mainwindow", WFlags f = 0 );
     virtual ~CameraMainWindow();
 
   public slots:
     void changeZoom( int );
     void systemMessage( const QCString&, const QByteArray& );
 
+    void showContextMenu();
+
   protected:
 
   private:
     PreviewWidget* preview;
     int _rotation;
     QCopChannel* _sysChannel;
 };
 
 #endif
diff --git a/noncore/multimedia/camera/zcameraio.cpp b/noncore/multimedia/camera/zcameraio.cpp
index 51771a5..b37ae8c 100644
--- a/noncore/multimedia/camera/zcameraio.cpp
+++ b/noncore/multimedia/camera/zcameraio.cpp
@@ -46,90 +46,90 @@ ZCameraIO* ZCameraIO::instance()
 ZCameraIO::ZCameraIO()
           :_height( 0 ), _width( 0 ), _zoom( 0 ), _rot( 0 ), _readlen( 0 )
 {
     _driver = ::open( SHARPZDC, O_RDWR );
     if ( _driver == -1 )
         oerr << "Can't open camera driver: " << strerror(errno) << oendl;
     else
         init();
 }
 
 
 void ZCameraIO::init()
 {
     if ( ZCameraIO::_instance )
         ofatal << "Don't create more than one ZCameraIO instances." << oendl;
     else
     {
         setReadMode( STATUS );
     }
 }
 
 
 ZCameraIO::~ZCameraIO()
 {
     if ( _driver != -1 )
     {
         setReadMode( 0 );
         ::close( _driver );
     }
 }
 
 
-inline bool ZCameraIO::isOpen() const
+bool ZCameraIO::isOpen() const
 {
     return _driver != -1;
 }
 
 
-inline bool ZCameraIO::isShutterPressed()
+bool ZCameraIO::isShutterPressed()
 {
     return _status[0] == 'S';
     clearShutterLatch();
 }
 
 
-inline bool ZCameraIO::isFinderReversed() const
+bool ZCameraIO::isFinderReversed() const
 {
     return _status[1] == 'M';
 }
 
 
-inline bool ZCameraIO::isCapturing() const
+bool ZCameraIO::isCapturing() const
 {
     return _status[2] == 'C';
 }
 
 
-inline bool ZCameraIO::isAvailable() const
+bool ZCameraIO::isAvailable() const
 {
     return _status[3] == 'A';
 }
 
 
 bool ZCameraIO::setCaptureFrame( int width, int height, int zoom, bool rot )
 {
     odebug << "setCaptureFrame( " << width << ", " << height << ", " << zoom << ", " << rot << " )" << oendl;
     char b[100];
     sprintf( b, "%c=%d,%d,%d,%d", rot ? 'R':'S', width, height, zoom, width*2 );
     if ( write( b ) )
     {
         _width = width;
         _height = height;
         _zoom = zoom;
         _rot = rot;
         _readlen = 2 * _width * _height; // camera is fixed @ 16 bits per pixel
         return true;
     }
     return false;
 }
 
 
 void ZCameraIO::setReadMode( int mode )
 {
     char b[10];
     sprintf( b, "M=%d", mode );
     write( b, mode <= 9 ? 3 : 4 );
     if ( mode & 1 ) // STATUS bit is set
         read( _status, 4 );
 }
 
diff --git a/noncore/multimedia/camera/zcameraio.h b/noncore/multimedia/camera/zcameraio.h
index bc4926b..9d4b1d7 100644
--- a/noncore/multimedia/camera/zcameraio.h
+++ b/noncore/multimedia/camera/zcameraio.h
@@ -9,57 +9,57 @@
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #ifndef ZCAMERAIO_H
 #define ZCAMERAIO_H
 
 class QImage;
 
 class ZCameraIO
 {
   public:
     virtual ~ZCameraIO();
 
     enum ReadMode
     {
         IMAGE = 0, STATUS = 1,
         FASTER = 0, BETTER = 2,
         XNOFLIP = 0, XFLIP = 4,
         YNOFLIP = 0, YFLIP = 8
     };
 
     bool setCaptureFrame( int w, int h, int zoom = 256, bool rot = true );
     void setReadMode( int = IMAGE | XFLIP | YFLIP );
 
     bool isShutterPressed(); // not const, because it calls clearShutterLatch
     bool isAvailable() const;
     bool isCapturing() const;
     bool isFinderReversed() const;
-
     bool isOpen() const;
+
     bool snapshot( QImage* );
     bool snapshot( unsigned char* );
     static ZCameraIO* instance();
 
   protected:
     ZCameraIO();
     void clearShutterLatch();
     void init();
     bool read( char*, int );
     bool write( char*, int = 0 );
 
   private:
     int _driver;
     char _status[4];
     static ZCameraIO* _instance;
     int _height;
     int _width;
     int _zoom;
     bool _rot;
     int _readlen;
 };
 
 #endif