fix for QWS_DISPLAY not being set

1 files changed, 15 insertions, 8 deletions

diff --git a/core/applets/screenshotapplet/screenshot.cpp b/core/applets/screenshotapplet/screenshot.cpp
index f024f47..99effa5 100644
--- a/core/applets/screenshotapplet/screenshot.cpp
+++ b/core/applets/screenshotapplet/screenshot.cpp
@@ -1,524 +1,531 @@
 /**********************************************************************
 ** Copyright (C) 2002 L.J. Potter ljp@llornkcor.com
 **  All rights reserved.
 **
 ** 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 "screenshot.h"
 #include "inputDialog.h"
 
 #include <stdlib.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <netdb.h>
 #include <unistd.h>
 
 #include <qpe/qpeapplication.h>
 #include <qpe/applnk.h>
 
 #include <qlineedit.h>
 #include <qdir.h>
 #include <qlabel.h>
 #include <qpushbutton.h>
 #include <qpainter.h>
 #include <qspinbox.h>
 #include <qlayout.h>
 #include <qcheckbox.h>
 #include <qmessagebox.h>
 #include <qimage.h>
 
 
 /* XPM */
 static char * snapshot_xpm[] = {
 "32 32 177 2",
         "  c None",
         ". c #042045",
         "+ c #0D2B47",
         "@ c #0E325E",
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         "& c #164680",
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         "= c #134D89",
         "- c #0A3A6E",
         "; c #031024",
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         ", c #1A5EA3",
         "' c #1862B1",
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         "! c #0F5AAC",
         "~ c #0F56A8",
         "{ c #0C4C96",
         "] c #030918",
         "^ c #060206",
         "/ c #20242C",
         "( c #3E3B3B",
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         ": c #115EB3",
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         "[ c #222C38",
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         "| c #091921",
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         "7 c #22364E",
         "8 c #384454",
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         "e c #033677",
         "f c #072C58",
         "g c #525862",
         "h c #5E5E5E",
         "i c #23492A",
         "j c #4FBD3F",
         "k c #50B24C",
         "l c #51C72E",
         "m c #42C64A",
         "n c #2686CA",
         "o c #0B52A4",
         "p c #054A9A",
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         "r c #2B2325",
         "s c #6E7070",
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         "y c #84BE4E",
         "z c #65C639",
         "A c #064EA0",
         "B c #0A4DA0",
         "C c #4E5242",
         "D c #62362E",
         "E c #721A1A",
         "F c #6E0A0A",
         "G c #3E0E0E",
         "H c #6AB85E",
         "I c #7E8ECA",
         "J c #929CD4",
         "K c #9EAECA",
         "L c #9EBEAE",
         "M c #8EC26A",
         "N c #32A276",
         "O c #20518C",
         "P c #46566E",
         "Q c #614A51",
         "R c #AE2A26",
         "S c #C41C1A",
         "T c #CE0A0A",
         "U c #A60606",
         "V c #921616",
         "W c #863735",
         "X c #866A66",
         "Y c #9E9EA2",
         "Z c #1E5212",
         "` c #7EC652",
         " .c #B2B2F2",
         "..c #CACAF6",
         "+.c #AECEC6",
         "@.c #92CE72",
         "#.c #42AA86",
         "$.c #365E96",
         "%.c #B82420",
         "&.c #E20E0E",
         "*.c #EF0E0B",
         "=.c #566A86",
         "-.c #92929A",
         ";.c #16260E",
         ">.c #2E571A",
         ",.c #7ED64E",
         "'.c #9ECEB2",
         ").c #C6D5EF",
         "!.c #E2E0FE",
         "~.c #A2DE8A",
         "{.c #4AAA5B",
         "].c #2A6AB2",
         "^.c #9A7A6E",
         "/.c #D25A52",
         "(.c #F62626",
         "_.c #FA0206",
         ":.c #DE1E16",
         "<.c #B63A26",
         "[.c #865A2E",
         "}.c #26568E",
         "|.c #435F7D",
         "1.c #7AE246",
         "2.c #96EA6E",
         "3.c #BEEAAE",
         "4.c #D0EADC",
         "5.c #B6CEFE",
         "6.c #9ADE8A",
         "7.c #2A609A",
         "8.c #7E623E",
         "9.c #CA7A72",
         "0.c #F26E6E",
         "a.c #FE5252",
         "b.c #FA3638",
         "c.c #DA2E28",
         "d.c #9E3E3A",
         "e.c #3E7656",
         "f.c #76CB3A",
         "g.c #90DE44",
         "h.c #A2EE6A",
         "i.c #9EEA9A",
         "j.c #92BEDE",
         "k.c #7ADA7E",
         "l.c #5ECE52",
         "m.c #6A5E52",
         "n.c #A83238",
         "o.c #FA5656",
         "p.c #F29A92",
         "q.c #D29E92",
         "r.c #8A7A62",
         "s.c #05336B",
         "t.c #59C631",
         "u.c #8AD23A",
         "v.c #66E242",
         "w.c #1D6FC1",
         "x.c #E61212",
         "y.c #CA261E",
         "z.c #5A763E",
         "A.c #1E6E9A",
         "B.c #023272",
         "C.c #329696",
         "D.c #2074B6",
         "E.c #3E4E76",
         "F.c #5A525E",
         "G.c #425868",
         "H.c #04448E",
         "I.c #28828A",
         "J.c #2D8593",
         "K.c #12427A",
         "L.c #054696",
         "M.c #042B5E",
         "N.c #134F95",
         "O.c #1E6ABB",
         "P.c #1A5E96",
         "Q.c #022E67",
         "R.c #0C3E7C",
         "S.c #023E8A",
         "T.c #021A3E",
 "                                                                ",
 "                                                                ",
 "                                                                ",
 "            . + @ # +                                           ",
 "      $ # % & * * = - # $                                       ",
 "; > % @ = , ' ) ' ! ~ { % @ . ] ^ / (                           ",
 "; + ' * ) _ ) ) ' : : ! { { % < . [ ( }                         ",
 "| @ 1 2 3 _ _ ) ' : : : : 4 5 6 6 # 7 8 }                       ",
 "9 0 a b b b c _ ) : : ! ! ~ ~ 5 ~ d e f [ 8 g h h }             ",
 "| i j k j l m n 3 ) : ! ! ! ~ o o o p 6 q f / r r r s           ",
 "t u v w x y y z a 1 3 ' : ! ~ A A B A p = C D E F G ( s         ",
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 "| Z ` J  .....+.@.z #.3 _ 3 3 ) $.P W %.S &.*.*.&.S W Q P =.-.  ",
 ";.>.,.'.).!.!.).~.,.{.) : ) 3 ].h ^./.(._._._.:.<.[.g }.= & |.  ",
 ";.>.1.2.3.4.4.5.6.,.{._ : : : 7.8.9.0.a.b.b.c.d.} e.4 = 6 q #   ",
 ";.>.z f.g.h.i.j.k.l.N ) : ! ! 4 m.n.c.o.p.q.r.|.5 { d e e s..   ",
 "t Z l t.f.u.g.1.v.#.w.' : ! ~ ~ 7.|.n.x.y.z.A.A q - e e e B.>   ",
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 "; + D.I.J.I.I.I.w.) : : * o K.7 - L.= O = }.6 6 e q q e q s.>   ",
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 "9 # O.) ) ' , , P.* ! ! ! ! = % . . M.e d p L.d B.B.e B.B.Q.9   ",
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 "    ] $ 0 R.= ' ' 4 4 5 4 5 5 o B o B p A A L.d e e B.B.B.Q.9   ",
 "          # + - { 4 4 ~ ! o { o L.p p p p p H.S.B.B.s.Q.Q.M.T.  ",
 "                + s.6 B o o 5 B p L.p p L.p H.q B.Q.Q.Q.Q.M.;   ",
 "                  < # s.- B o B p p L.L.H.L.H.d B.Q.Q.Q.Q.Q.9   ",
 "                      $ . s.d 6 B A p H.S.L.H.q B.Q.Q.M.M.. ;   ",
 "                          ; 9 . 6 L.p L.d L.H.d Q.M.M.. 9 ; ]   ",
 "                                | > e L.d L.H.e M.. ; ] ]       ",
 "                                    > 9 . S.Q.. ; ]             ",
 "                                          T.; ]                 "};
 
 static const char *SCAP_hostname = "www.handhelds.org";
 static const int SCAP_port = 80;
 
 
 ScreenshotControl::ScreenshotControl( QWidget *parent, const char *name )
     : QFrame( parent, name, WDestructiveClose | WStyle_StaysOnTop | WType_Popup )
 {
   setFrameStyle( QFrame::PopupPanel | QFrame::Raised );
   QVBoxLayout *vbox = new QVBoxLayout ( this, 5, 3 );
   QHBoxLayout *hbox;
 
   hbox = new QHBoxLayout ( vbox );
 
   QLabel *l = new QLabel ( tr( "Delay" ), this );
   hbox-> addWidget ( l );
 
   delaySpin = new QSpinBox( 0, 60, 1, this, "Spinner" );
   delaySpin-> setButtonSymbols ( QSpinBox::PlusMinus );
   delaySpin-> setSuffix ( tr( "sec" ));
   delaySpin-> setFocusPolicy( QWidget::NoFocus );
   delaySpin-> setValue ( 1 );
   hbox-> addWidget ( delaySpin );
 
   saveNamedCheck = new QCheckBox ( tr( "Save named" ), this);
   saveNamedCheck-> setFocusPolicy ( QWidget::NoFocus );
   vbox->addWidget( saveNamedCheck);
 
   vbox-> addSpacing ( 3 );
 
   l = new QLabel ( tr( "Save screenshot as..." ), this );
   vbox-> addWidget ( l, AlignCenter );
 
   hbox = new QHBoxLayout ( vbox );
 
   grabItButton = new QPushButton( tr( "File" ), this, "GrabButton" );
   grabItButton ->setFocusPolicy( QWidget::TabFocus );
   hbox-> addWidget ( grabItButton );
 
   scapButton = new QPushButton( tr( "Scap" ), this, "ScapButton" );
   scapButton ->setFocusPolicy( QWidget::TabFocus );
   hbox-> addWidget ( scapButton );
 
   setFixedSize ( sizeHint ( ));
   setFocusPolicy ( QWidget::NoFocus );
 
 
   grabTimer = new QTimer ( this, "grab timer");
   
   connect ( grabTimer, SIGNAL( timeout ( )), this, SLOT( performGrab ( )));
   connect ( grabItButton, SIGNAL( clicked ( )), SLOT( slotGrab ( )));
   connect ( scapButton, SIGNAL( clicked ( )), SLOT( slotScap ( )));
 }
 
 void ScreenshotControl::slotGrab()
 {
   buttonPushed = 1;
   hide();
 
   setFileName = FALSE;
   if ( saveNamedCheck->isChecked()) {
     setFileName = TRUE;
     InputDialog *fileDlg;
 
     fileDlg = new InputDialog( 0 , tr("Name of screenshot "), TRUE, 0);
     fileDlg->exec();
     fileDlg->raise();
     QString fileName, list;
     if ( fileDlg->result() == 1 ) {
       fileName = fileDlg->LineEdit1->text();
 
       if (fileName.find("/", 0, TRUE) == -1)
         FileNamePath = QDir::homeDirPath() + "/Documents/image/png/" + fileName;
       else
         FileNamePath = fileName;
 
     }
     delete fileDlg;
   }
 
   if ( delaySpin->value() )
     grabTimer->start( delaySpin->value() * 1000, true );
   else
     show();
 }
 
 void ScreenshotControl::slotScap()
 {
   buttonPushed = 2;
   hide();
 
   if ( delaySpin->value() )
     grabTimer->start( delaySpin->value() * 1000, true );
   else
     show();
 }
 
 
 void ScreenshotControl::savePixmap()
 {
   DocLnk lnk;
   QString fileName;
 
   if ( setFileName) {
     fileName = FileNamePath;
     //not sure why this is needed here, but it forgets fileName
     // if this is below the braces
 
     if (fileName.right(3) != "png")
       fileName = fileName + ".png";
     lnk.setFile(fileName); //sets File property
     qDebug("saving file " + fileName);
     snapshot.save( fileName, "PNG");
     QFileInfo fi( fileName);
     lnk.setName( fi.fileName()); //sets file name
 
     if (!lnk.writeLink())
       qDebug("Writing doclink did not work");
   }
   else {
 
     fileName = "sc_" + QDateTime::currentDateTime().toString();
     fileName.replace(QRegExp("'"), "");
     fileName.replace(QRegExp(" "), "_");
     fileName.replace(QRegExp(":"), ".");
     fileName.replace(QRegExp(","), "");
     QString dirName = QDir::homeDirPath() + "/Documents/image/png/";
 
     if ( !QDir( dirName).exists() ) {
       qDebug("making dir " + dirName);
       QString msg = "mkdir -p " + dirName;
       system(msg.latin1());
     }
     fileName = dirName + fileName;
     if (fileName.right(3) != "png")
       fileName = fileName + ".png";
     lnk.setFile(fileName); //sets File property
     qDebug("saving file " + fileName);
     snapshot.save( fileName, "PNG");
     QFileInfo fi( fileName);
     lnk.setName( fi.fileName()); //sets file name
 
     if (!lnk.writeLink())
       qDebug("Writing doclink did not work");
 
   }
 
   QPEApplication::beep();
 }
 
 void ScreenshotControl::performGrab()
 {
                 snapshot = QPixmap::grabWindow( QPEApplication::desktop()->winId(), 0, 0, QApplication::desktop()->width(),  QApplication::desktop()->height() );
 
                 if (buttonPushed == 1) {
                                 qDebug("grabbing screen");
                                 grabTimer->stop();
                                 show();
                                 qApp->processEvents();
                                 savePixmap();
                 } else {
                                 grabTimer->stop();
 
                                 struct sockaddr_in raddr;
                                 struct hostent *rhost_info;
                                 int sock = -1;
                                 bool ok = false;
 
-                                if (( rhost_info = (struct hostent *) ::gethostbyname ((char *) SCAP_hostname )) != 0 ) {
+                                QString displayEnv = getenv("QWS_DISPLAY");
+                                qDebug(displayEnv);
+
+                                if(( displayEnv.left(2) != ":0" ) && (!displayEnv.isEmpty())) {
+
+                                                if (( rhost_info = (struct hostent *) ::gethostbyname ((char *) SCAP_hostname )) != 0 ) {
                                                 ::memset ( &raddr, 0, sizeof (struct sockaddr_in));
                                                 ::memcpy ( &raddr. sin_addr, rhost_info-> h_addr, rhost_info-> h_length );
                                                 raddr. sin_family = rhost_info-> h_addrtype;
                                                 raddr. sin_port = htons ( SCAP_port );
 
                                                 if (( sock = ::socket ( AF_INET, SOCK_STREAM, 0 )) >= 0 ) {
                                                                 if ( ::connect ( sock, (struct sockaddr *) & raddr, sizeof (struct sockaddr)) >= 0 ) {
 
                                                                                 QString header;
 
                                                                                 QPixmap pix;
-                                                                                QString displayEnv = getenv("QWS_DISPLAY");
-                                                                                qDebug(displayEnv);
 
                                                                                 QString SCAP_model="";
 #warning FIXME: model string should be filled with actual device model
                                                                                                 if( snapshot.width() > 320)
                                                                                                                 SCAP_model ="Corgi";
                                                                                 
                                                                                 if(displayEnv == "QVFb:0")  {//set this if you plan on using this app in qvfb!!
                                                                                                 pix = snapshot.xForm(QWMatrix().rotate(90));
                                                                                 } else
                                                                                                 pix = ( snapshot.width() > snapshot.height() ) ? snapshot : snapshot.xForm( QWMatrix().rotate(90) ); 
                                                                         
                                                                                 QImage img = pix.convertToImage().convertDepth( 16 ); // could make that also depth independent, if hh.org/scap can handle it
 
                                                                                 header = "POST /scap/capture.cgi?%1+%2 HTTP/1.1\n"  // 1: model / 2: user
                                                                                                 "Content-length: %3\n"                     // 3: content length
                                                                                                 "Content-Type: image/png\n"
                                                                                                 "Host: %4\n"                               // 4: scap host
                                                                                                 "\n";
 
                  
                                                                                 header = header.arg( SCAP_model).arg( ::getenv( "USER" ) ).arg( img.numBytes() ).arg( SCAP_hostname );
                                                                                 qDebug(header);
                                         
                                                                                 if ( !pix.isNull() )  {
                                                                                                 const char *ascii = header.latin1( );
                                                                                                 uint ascii_len = ::strlen( ascii );
-                                                                                                ::write ( sock, ascii, ascii_len );
-                                                                                                ::write ( sock, img.bits(), img.numBytes() );
+        //                                                                                      ::write ( sock, ascii, ascii_len );
+        //                                                                                      ::write ( sock, img.bits(), img.numBytes() );
 
                                                                                                 ok = true;
                                                                                 }
                                                                 }
                                                                 ::close ( sock );
                                                 }
                                 }
-                                if ( ok )
+                                if ( ok ) {
                                                 QMessageBox::information( 0, tr( "Success" ), QString( "<p>%1</p>" ).arg ( tr( "Screenshot was uploaded to %1" )).arg( SCAP_hostname ));
-                                else
+                                } else {
                                                 QMessageBox::warning( 0, tr( "Error" ), QString( "<p>%1</p>" ).arg( tr( "Connection to %1 failed." )).arg( SCAP_hostname ));
+                                }
+                } else {
+                                QMessageBox::warning( 0, tr( "Error" ),tr("Please set <b>QWS_DISPLAY</b> environmental variable."));
+                        }
                 }
-
+                                
 }
 
 
 
 //===========================================================================
 
 ScreenshotApplet::ScreenshotApplet( QWidget *parent, const char *name )
     : QWidget( parent, name )
 {
                 setFixedWidth( AppLnk::smallIconSize());
 
     QImage  img = (const char **)snapshot_xpm;
     img = img.smoothScale(AppLnk::smallIconSize(), AppLnk::smallIconSize());
     m_icon.convertFromImage(img);
 }
 
 ScreenshotApplet::~ScreenshotApplet()
 {
 }
 
 void ScreenshotApplet::mousePressEvent( QMouseEvent *)
 {
   ScreenshotControl *sc = new ScreenshotControl ( );
   QPoint curPos = mapToGlobal ( QPoint ( 0, 0 ));
 
   // windowPosX is the windows position centered above the applets icon.
   // If the icon is near the edge of the screen, the window would leave the visible area
   // so we check the position against the screen width and correct the difference if needed
   
   int screenWidth = qApp->desktop()->width();
   int windowPosX = curPos. x ( ) - ( sc-> sizeHint ( ). width ( ) - width ( )) / 2 ;
   int ZwindowPosX, XwindowPosX;
   
   // the window would be placed beyond the screen wich doesn't look tooo good
   if ( (windowPosX + sc-> sizeHint ( ). width ( )) > screenWidth ) {
           XwindowPosX = windowPosX + sc-> sizeHint ( ). width ( ) - screenWidth;
         ZwindowPosX = windowPosX - XwindowPosX - 1;
   } else {
           ZwindowPosX = windowPosX;
   }
   
    sc-> move ( ZwindowPosX, curPos. y ( ) - sc-> sizeHint ( ). height ( ) );
    sc-> show ( );
 }
 
 void ScreenshotApplet::paintEvent( QPaintEvent* )
 {
   QPainter p ( this );
         p.drawPixmap( 0,0, m_icon );
 }