1 files changed, 168 insertions, 0 deletions
diff --git a/karm/tray.cpp b/karm/tray.cpp
new file mode 100644
index 000000000..228d807d8
--- /dev/null
+++ b/karm/tray.cpp
@@ -0,0 +1,168 @@
+/*
+* KTray.
+*
+* This implements the functionality of the little icon in the kpanel
+* tray. Among which are tool tips and the running clock animated icon
+*
+* Distributed under the GPL.
+*/
+
+
+// #include <qkeycode.h>
+// #include <qlayout.h>
+#include <qpixmap.h>
+#include <qptrlist.h>
+#include <qstring.h>
+#include <qtimer.h>
+#include <qtooltip.h>
+
+#include <kaction.h>            // actionPreferences()
+#include <kglobal.h>
+#include <kglobalsettings.h>
+#include <kiconloader.h>        // UserIcon
+#include <klocale.h>            // i18n
+#include <kpopupmenu.h>         // plug()
+#include <ksystemtray.h>
+
+#include "mainwindow.h"
+#include "task.h"
+#include "tray.h"
+
+QPtrVector<QPixmap> *KarmTray::icons = 0;
+
+KarmTray::KarmTray(MainWindow* parent)
+  : KSystemTray(parent, "Karm Tray")
+{
+  // the timer that updates the "running" icon in the tray
+  _taskActiveTimer = new QTimer(this);
+  connect( _taskActiveTimer, SIGNAL( timeout() ), this,
+                             SLOT( advanceClock()) );
+
+  if (icons == 0) {
+    icons = new QPtrVector<QPixmap>(8);
+    for (int i=0; i<8; i++) {
+      QPixmap *icon = new QPixmap();
+      QString name;
+      name.sprintf("active-icon-%d.xpm",i);
+      *icon = UserIcon(name);
+      icons->insert(i,icon);
+    }
+  }
+
+  parent->actionPreferences->plug( contextMenu() ); 
+  parent->actionStopAll->plug( contextMenu() );
+
+  resetClock();
+  initToolTip();
+
+  // start of a kind of menu for the tray
+  // this are experiments/tests
+  /*
+  for (int i=0; i<30; i++)
+    _tray->insertTitle(i 18n("bla ").arg(i));
+  for (int i=0; i<30; i++)
+    _tray->insertTitle2(i 18n("bli ").arg(i));
+  */
+  // experimenting with menus for the tray
+  /*
+  trayPopupMenu = contextMenu();
+  trayPopupMenu2 = new QPopupMenu();
+  trayPopupMenu->insertItem(i18n("Submenu"), *trayPopupMenu2);
+  */
+}
+
+KarmTray::KarmTray(karmPart * parent)
+  : KSystemTray( 0 , "Karm Tray")
+{
+// it is not convenient if every kpart gets an icon in the systray.
+  _taskActiveTimer = 0;
+}
+
+KarmTray::~KarmTray()
+{
+}
+
+
+// experiment
+/*
+void KarmTray::insertTitle(QString title)
+{
+  trayPopupMenu->insertTitle(title);
+}
+*/
+
+void KarmTray::startClock()
+{
+  if ( _taskActiveTimer ) 
+  {
+    _taskActiveTimer->start(1000);
+    setPixmap( *(*icons)[_activeIcon] );
+    show();
+  }
+}
+
+void KarmTray::stopClock()
+{
+  if ( _taskActiveTimer )  
+  {  
+    _taskActiveTimer->stop();
+    show();
+  }
+}
+
+void KarmTray::advanceClock()
+{
+  _activeIcon = (_activeIcon+1) % 8;
+  setPixmap( *(*icons)[_activeIcon]);
+}
+
+void KarmTray::resetClock()
+{
+  _activeIcon = 0;
+  setPixmap( *(*icons)[_activeIcon]);
+  show();
+}
+
+void KarmTray::initToolTip()
+{
+  updateToolTip(QPtrList<Task> ());
+}
+
+void KarmTray::updateToolTip(QPtrList<Task> activeTasks)
+{
+  if ( activeTasks.isEmpty() ) {
+    QToolTip::add( this, i18n("No active tasks") );
+    return;
+  }
+
+  QFontMetrics fm( QToolTip::font() );
+  const QString continued = i18n( ", ..." );
+  const int buffer = fm.boundingRect( continued ).width();
+  const int desktopWidth = KGlobalSettings::desktopGeometry(this).width();
+  const int maxWidth = desktopWidth - buffer;
+
+  QString qTip;
+  QString s;
+
+  // Build the tool tip with all of the names of the active tasks.
+  // If at any time the width of the tool tip is larger than the desktop,
+  // stop building it.
+  QPtrListIterator<Task> item( activeTasks );
+  for ( int i = 0; item.current(); ++item, ++i ) {
+    Task* task = item.current();
+    if ( i > 0 )
+      s += i18n( ", " ) + task->name();
+    else
+      s += task->name();
+    int width = fm.boundingRect( s ).width();
+    if ( width > maxWidth ) {
+      qTip += continued;
+      break;
+    }
+    qTip = s;
+  }
+
+  QToolTip::add( this, qTip );
+}
+
+#include "tray.moc"