Part of batch commit to enable true tasktray resize support for Trinity applications

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1124756 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kdeui/ksystemtray.cpp

@@ -29,9 +29,9 @@
 #include "kaboutdata.h"
 
 #ifdef Q_WS_X11
-#include <kwin.h> 
-#include <kwinmodule.h> 
-#include <qxembed.h> 
+#include <kwin.h>
+#include <kwinmodule.h>
+#include <qxembed.h>
 #endif
 
 #include <kiconloader.h>
@@ -62,7 +62,7 @@ KSystemTray::KSystemTray( QWidget* parent, const char* name )
 #ifdef Q_WS_X11
     QXEmbed::initialize();
 #endif
-    
+
     d = new KSystemTrayPrivate;
     d->actionCollection = new KActionCollection(this);
 
@@ -95,6 +95,9 @@ KSystemTray::KSystemTray( QWidget* parent, const char* name )
     }
     setCaption( KGlobal::instance()->aboutData()->programName());
     setAlignment( alignment() | Qt::AlignVCenter | Qt::AlignHCenter );
+
+    // Handle the possibility that the requested system tray size is something other than 22x22 pixels, per the Free Desktop specifications
+    setScaledContents(true);
 }
 
 KSystemTray::~KSystemTray()
@@ -306,7 +309,7 @@ KActionCollection* KSystemTray::actionCollection()
 {
     return d->actionCollection;
 }
-    
+
 QPixmap KSystemTray::loadIcon( const QString &icon, KInstance *instance )
 {
     KConfig *appCfg = kapp->config();
@@ -315,6 +318,11 @@ QPixmap KSystemTray::loadIcon( const QString &icon, KInstance *instance )
     return instance->iconLoader()->loadIcon( icon, KIcon::Panel, iconWidth );
 }
 
+QPixmap KSystemTray::loadSizedIcon( const QString &icon, int iconWidth, KInstance *instance )
+{
+    return instance->iconLoader()->loadIcon( icon, KIcon::Panel, iconWidth );
+}
+
 void KSystemTray::setPixmap( const QPixmap& p )
 {
     QLabel::setPixmap( p );

kdeui/ksystemtray.h

@@ -108,7 +108,7 @@ public:
      * configuration dialog). The default value is KAboutData::programName().
      */
     virtual void setCaption( const QString& title );
-    
+
     /**
      * Loads an icon @p icon using the icon loader class of the given instance @p instance.
      * The icon is applied the panel effect as it should only be used to be shown in the
@@ -119,6 +119,17 @@ public:
      */
     static QPixmap loadIcon( const QString &icon, KInstance *instance=KGlobal::instance() );
 
+    /**
+     * Loads an icon @p icon using the icon loader class of the given instance @p instance.
+     * The icon is applied the panel effect as it should only be used to be shown in the
+     * system tray.
+     * It's commonly used in the form : systray->setPixmap( systray->loadIcon( "mysystray", iconWidth ) );
+     * This is essentially the same as loadIcon(), but with a forced icon size
+     *
+     * @since 3.5.12
+     */
+    static QPixmap loadSizedIcon( const QString &icon, int iconWidth, KInstance *instance=KGlobal::instance() );
+
 signals:
     /**
      * Emitted when quit is selected in the menu. If you want to perform any other