Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 192 insertions, 0 deletions

diff --git a/akregator/src/trayicon.cpp b/akregator/src/trayicon.cpp
new file mode 100644
index 000000000..4b4f3153b
--- /dev/null
+++ b/akregator/src/trayicon.cpp
@@ -0,0 +1,192 @@
+/*
+    This file is part of Akregator.
+
+    Copyright (C) 2004 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    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 program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include "akregatorconfig.h"
+#include "trayicon.h"
+
+#include <kapplication.h>
+#include <kwin.h>
+#include <kiconeffect.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kglobalsettings.h>
+#include <dcopclient.h>
+#include <dcopref.h>
+#include <kpopupmenu.h>
+#include <kiconloader.h>
+
+#include <qbitmap.h>
+#include <qpainter.h>
+#include <qfont.h>
+#include <qtooltip.h>
+
+
+namespace Akregator {
+
+TrayIcon* TrayIcon::m_instance = 0;
+
+TrayIcon* TrayIcon::getInstance()
+{
+    return m_instance;
+}
+
+void TrayIcon::setInstance(TrayIcon* trayIcon)
+{
+    m_instance = trayIcon;
+}
+
+
+TrayIcon::TrayIcon(QWidget *parent, const char *name)
+        : KSystemTray(parent, name), m_unread(0)
+{
+    m_defaultIcon=KSystemTray::loadIcon("akregator");
+    QPixmap m_unreadIcon=KSystemTray::loadIcon("akregator_empty");
+    m_lightIconImage=m_unreadIcon.convertToImage();
+    KIconEffect::deSaturate(m_lightIconImage, 0.60);
+    setPixmap(m_defaultIcon);
+    QToolTip::add(this, i18n("Akregator - RSS Feed Reader"));
+}
+
+
+TrayIcon::~TrayIcon()
+{}
+
+
+void TrayIcon::mousePressEvent(QMouseEvent *e) {
+    if (e->button() == LeftButton) {
+        emit showPart();
+    }
+
+    KSystemTray::mousePressEvent(e);
+}
+
+
+QPixmap TrayIcon::takeScreenshot() const
+{
+    QPoint g = mapToGlobal(pos());
+    int desktopWidth  = kapp->desktop()->width();
+    int desktopHeight = kapp->desktop()->height();
+    int tw = width();
+    int th = height();
+    int w = desktopWidth / 4;
+    int h = desktopHeight / 9;
+    int x = g.x() + tw/2 - w/2; // Center the rectange in the systray icon
+    int y = g.y() + th/2 - h/2;
+    if (x < 0)
+        x = 0; // Move the rectangle to stay in the desktop limits
+    if (y < 0)
+        y = 0;
+    if (x + w > desktopWidth)
+        x = desktopWidth - w;
+    if (y + h > desktopHeight)
+        y = desktopHeight - h;
+
+        // Grab the desktop and draw a circle arround the icon:
+    QPixmap shot = QPixmap::grabWindow(qt_xrootwin(), x, y, w, h);
+    QPainter painter(&shot);
+    const int MARGINS = 6;
+    const int WIDTH   = 3;
+    int ax = g.x() - x - MARGINS -1;
+    int ay = g.y() - y - MARGINS -1;
+    painter.setPen( QPen(Qt::red/*KApplication::palette().active().highlight()*/, WIDTH) );
+    painter.drawArc(ax, ay, tw + 2*MARGINS, th + 2*MARGINS, 0, 16*360);
+    painter.end();
+
+    // Paint the border
+    const int BORDER = 1;
+    QPixmap finalShot(w + 2*BORDER, h + 2*BORDER);
+    finalShot.fill(KApplication::palette().active().foreground());
+    painter.begin(&finalShot);
+    painter.drawPixmap(BORDER, BORDER, shot);
+    painter.end();
+    return shot; // not finalShot?? -fo
+}
+
+void TrayIcon::slotSetUnread(int unread)
+{
+    if (unread==m_unread)
+        return;
+    
+    m_unread=unread;
+    
+    QToolTip::remove(this);
+    QToolTip::add(this, i18n("Akregator - 1 unread article", "Akregator - %n unread articles", unread > 0 ? unread : 0));
+    
+    if (unread <= 0)
+    {    
+        setPixmap(m_defaultIcon);
+    }
+    else
+    {               
+        // from KMSystemTray
+        int oldW = pixmap()->size().width();
+        int oldH = pixmap()->size().height();
+
+        QString uStr=QString::number( unread );
+        QFont f=KGlobalSettings::generalFont();
+        f.setBold(true);
+        float pointSize=f.pointSizeFloat();
+        QFontMetrics fm(f);
+        int w=fm.width(uStr);
+        if( w > (oldW) )
+        {
+            pointSize *= float(oldW) / float(w);
+            f.setPointSizeFloat(pointSize);
+        }
+
+        QPixmap pix(oldW, oldH);
+        pix.fill(Qt::white);
+        QPainter p(&pix);
+        p.setFont(f);
+        p.setPen(Qt::blue);
+        p.drawText(pix.rect(), Qt::AlignCenter, uStr);
+
+        pix.setMask(pix.createHeuristicMask());
+        QImage img=pix.convertToImage();
+
+        // overlay
+        QImage overlayImg=m_lightIconImage.copy();
+        KIconEffect::overlay(overlayImg, img);
+
+        QPixmap icon;
+        icon.convertFromImage(overlayImg);
+        setPixmap(icon);
+    }
+}
+
+void TrayIcon::viewButtonClicked()
+{
+	QWidget *p=static_cast<QWidget*>(parent());
+	KWin::forceActiveWindow(p->winId());
+}
+
+void TrayIcon::settingsChanged()
+{
+    if ( Settings::showTrayIcon() )
+        show();
+    else
+        hide();
+}
+}
+#include "trayicon.moc"