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/***************************************************************************
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* Copyright (C) 2005 - 2007 by *
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* Christian Muehlhaeuser, Last.fm Ltd <chris@last.fm> *
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* Erik Jaelevik, Last.fm Ltd <erik@last.fm> *
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***************************************************************************/
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* trayicon_x11.cpp - X11 trayicon (for use with KDE and GNOME)
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* Copyright (C) 2003 Justin Karneges
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* GNOME2 Notification Area support: Tomasz Sterna
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <QApplication>
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#include <QMouseEvent>
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#include <QPaintEvent>
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#include <QCloseEvent>
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#include <QDesktopWidget>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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//#if QT_VERSION < 0x030200
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extern Time qt_x_time;
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// for Gnome2 Notification Area
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static XErrorHandler old_handler = 0;
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static int dock_xerror = 0;
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extern "C" int dock_xerrhandler(Display* dpy, XErrorEvent* err)
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dock_xerror = err->error_code;
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return old_handler(dpy, err);
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static void trap_errors()
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old_handler = XSetErrorHandler(dock_xerrhandler);
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static bool untrap_errors()
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XSetErrorHandler(old_handler);
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return (dock_xerror == 0);
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static bool send_message(
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Display* dpy, /* display */
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Window w, /* sender (tray icon window) */
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long message, /* message opcode */
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long data1, /* message data 1 */
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long data2, /* message data 2 */
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long data3 /* message data 3 */
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memset(&ev, 0, sizeof(ev));
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ev.xclient.type = ClientMessage;
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ev.xclient.window = w;
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ev.xclient.message_type = XInternAtom (dpy, "_NET_SYSTEM_TRAY_OPCODE", False );
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ev.xclient.format = 32;
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ev.xclient.data.l[0] = CurrentTime;
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ev.xclient.data.l[1] = message;
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ev.xclient.data.l[2] = data1;
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ev.xclient.data.l[3] = data2;
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ev.xclient.data.l[4] = data3;
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XSendEvent(dpy, w, False, NoEventMask, &ev);
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return untrap_errors();
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#define SYSTEM_TRAY_REQUEST_DOCK 0
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#define SYSTEM_TRAY_BEGIN_MESSAGE 1
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#define SYSTEM_TRAY_CANCEL_MESSAGE 2
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//----------------------------------------------------------------------------
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// TrayIcon::TrayIconPrivate
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//----------------------------------------------------------------------------
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class TrayIcon::TrayIconPrivate : public QWidget
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TrayIconPrivate(TrayIcon *object, int size);
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~TrayIconPrivate() { }
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virtual void initWM(WId icon);
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virtual void setPixmap(const QPixmap &pm);
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virtual void paintEvent(QPaintEvent *);
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virtual void enterEvent(QEvent *);
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virtual void mouseMoveEvent(QMouseEvent *e);
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virtual void mousePressEvent(QMouseEvent *e);
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virtual void mouseReleaseEvent(QMouseEvent *e);
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virtual void mouseDoubleClickEvent(QMouseEvent *e);
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virtual void closeEvent(QCloseEvent *e);
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TrayIcon *iconObject;
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TrayIcon::TrayIconPrivate::TrayIconPrivate(TrayIcon *object, int _size)
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setAutoFillBackground( false );
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// setAttribute( Qt::WA_OpaquePaintEvent );
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setAttribute( Qt::WA_NoSystemBackground );
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setAttribute( Qt::WA_Hover );
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setAttribute( Qt::WA_PaintOnScreen );
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setFocusPolicy(Qt::NoFocus);
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// setBackgroundRole(/* Qt::X11ParentRelative */ QPalette::Window );
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setMinimumSize(size, size);
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setMaximumSize(size, size);
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// This base stuff is required by both FreeDesktop specification and WindowMaker
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void TrayIcon::TrayIconPrivate::initWM(WId icon)
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Display *dsp = x11Info().display();
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WId leader = winId();
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// set the class hint
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XClassHint classhint;
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classhint.res_name = (char*)"wpdock";
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classhint.res_class = (char*)"Wolfpack";
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XSetClassHint(dsp, leader, &classhint);
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// set the Window Manager hints
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hints = XGetWMHints(dsp, leader); // init hints
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hints->flags = WindowGroupHint | IconWindowHint | StateHint; // set the window group hint
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hints->window_group = leader; // set the window hint
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hints->initial_state = WithdrawnState; // initial state
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hints->icon_window = icon; // in WM, this should be winId() of separate widget
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XSetWMHints(dsp, leader, hints); // set the window hints for WM to use.
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void TrayIcon::TrayIconPrivate::setPixmap(const QPixmap &pm)
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setWindowIcon(QIcon(pix));
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void TrayIcon::TrayIconPrivate::paintEvent(QPaintEvent *)
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p.drawPixmap((width() - pix.width())/2, (height() - pix.height())/2, pix);
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void TrayIcon::TrayIconPrivate::enterEvent(QEvent *e)
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QWidget::enterEvent(e);
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void TrayIcon::TrayIconPrivate::mouseMoveEvent(QMouseEvent *e)
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QApplication::sendEvent(iconObject, e);
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void TrayIcon::TrayIconPrivate::mousePressEvent(QMouseEvent *e)
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QApplication::sendEvent(iconObject, e);
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void TrayIcon::TrayIconPrivate::mouseReleaseEvent(QMouseEvent *e)
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QApplication::sendEvent(iconObject, e);
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void TrayIcon::TrayIconPrivate::mouseDoubleClickEvent(QMouseEvent *e)
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QApplication::sendEvent(iconObject, e);
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void TrayIcon::TrayIconPrivate::closeEvent(QCloseEvent *e)
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iconObject->gotCloseEvent();
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//----------------------------------------------------------------------------
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// TrayIconFreeDesktop
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//----------------------------------------------------------------------------
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class TrayIconFreeDesktop : public TrayIcon::TrayIconPrivate
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TrayIconFreeDesktop(TrayIcon *object, const QPixmap &pm);
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virtual bool x11Event(XEvent*);
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TrayIconFreeDesktop::TrayIconFreeDesktop(TrayIcon *object, const QPixmap &pm)
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: TrayIconPrivate(object, 22)
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Display *dsp = x11Info().display();
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// dock the widget (adapted from SIM-ICQ)
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Screen *screen = XDefaultScreenOfDisplay(dsp); // get the screen
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int screen_id = XScreenNumberOfScreen(screen); // and it's number
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// tell X that we want to see ClientMessage and Deleted events, which
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// are picked up by QApplication::x11EventFilter
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Window root_window = QApplication::desktop()->winId();
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XWindowAttributes attr;
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XGetWindowAttributes(dsp, root_window, &attr);
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XSelectInput(dsp, root_window, attr.your_event_mask | StructureNotifyMask);
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snprintf(buf, sizeof(buf), "_NET_SYSTEM_TRAY_S%d", screen_id);
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Atom selection_atom = XInternAtom(dsp, buf, false);
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Window manager_window = XGetSelectionOwner(dsp, selection_atom);
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if ( manager_window != None )
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XSelectInput(dsp, manager_window, StructureNotifyMask);
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if ( manager_window != None )
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send_message(dsp, manager_window, SYSTEM_TRAY_REQUEST_DOCK, winId(), 0, 0);
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// some KDE mumbo-jumbo... why is it there? anybody?
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Atom kwm_dockwindow_atom = XInternAtom(dsp, "KWM_DOCKWINDOW", false);
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Atom kde_net_system_tray_window_for_atom = XInternAtom(dsp, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR", false);
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XChangeProperty(dsp, winId(), kwm_dockwindow_atom, kwm_dockwindow_atom, 32, PropModeReplace, (uchar*)&data, 1);
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XChangeProperty(dsp, winId(), kde_net_system_tray_window_for_atom, XA_WINDOW, 32, PropModeReplace, (uchar*)&data, 1);
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bool TrayIconFreeDesktop::x11Event(XEvent *ev)
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//----------------------------------------------------------------------------
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// TrayIconWindowMaker
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//----------------------------------------------------------------------------
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class TrayIconWharf : public TrayIcon::TrayIconPrivate
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TrayIconWharf(TrayIcon *object, const QPixmap &pm)
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: TrayIconPrivate(object, 44)
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// set the class hint
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XClassHint classhint;
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classhint.res_name = (char*)"psidock-wharf";
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classhint.res_class = (char*)"Psi";
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XSetClassHint(x11Info().display(), winId(), &classhint);
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void setPixmap(const QPixmap &_pm)
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QImage i = _pm.toImage();
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i = i.scaled(i.width() * 2, i.height() * 2);
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TrayIconPrivate::setPixmap(pm);
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// thanks to Robert Spier for this:
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// for some reason the repaint() isn't being honored, or isn't for
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// the icon. So force one on the widget behind the icon
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QPaintEvent pe( rect() );
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class TrayIconWindowMaker : public TrayIcon::TrayIconPrivate
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TrayIconWindowMaker(TrayIcon *object, const QPixmap &pm);
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~TrayIconWindowMaker();
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void setPixmap(const QPixmap &pm);
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TrayIconWharf *wharf;
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TrayIconWindowMaker::TrayIconWindowMaker(TrayIcon *object, const QPixmap &pm)
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: TrayIconPrivate(object, 32)
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wharf = new TrayIconWharf(object, pm);
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initWM( wharf->winId() );
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TrayIconWindowMaker::~TrayIconWindowMaker()
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void TrayIconWindowMaker::setPixmap(const QPixmap &pm)
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wharf->setPixmap(pm);
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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void TrayIcon::sysInstall()
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d = (TrayIconPrivate *)(new TrayIconWindowMaker(this, pm));
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d = (TrayIconPrivate *)(new TrayIconFreeDesktop(this, pm));
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void TrayIcon::sysRemove()
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void TrayIcon::sysUpdateIcon()
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void TrayIcon::sysUpdateToolTip()
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d->setToolTip( tip );
added
removed
src/trayicon/trayicon_x11.cpp
