/* * trayicon_x11.cpp - X11 trayicon (for use with KDE and GNOME) * Copyright (C) 2003 Justin Karneges * GNOME2 Notification Area support: Tomasz Sterna * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include "trayicon.h" #include #include #include #include #include #include //#if QT_VERSION < 0x030200 //extern Time;// qt_x_time; //#endif //---------------------------------------------------------------------------- // common stuff //---------------------------------------------------------------------------- // for Gnome2 Notification Area static XErrorHandler old_handler = 0; static int dock_xerror = 0; extern "C" int dock_xerrhandler(Display* dpy, XErrorEvent* err) { dock_xerror = err->error_code; return old_handler(dpy, err); } static void trap_errors() { dock_xerror = 0; old_handler = XSetErrorHandler(dock_xerrhandler); } static bool untrap_errors() { XSetErrorHandler(old_handler); return (dock_xerror == 0); } static bool send_message( Display* dpy, /* display */ Window w, /* sender (tray icon window) */ long message, /* message opcode */ long data1, /* message data 1 */ long data2, /* message data 2 */ long data3 /* message data 3 */ ) { XEvent ev; memset(&ev, 0, sizeof(ev)); ev.xclient.type = ClientMessage; ev.xclient.window = w; ev.xclient.message_type = XInternAtom (dpy, "_NET_SYSTEM_TRAY_OPCODE", False ); ev.xclient.format = 32; ev.xclient.data.l[0] = CurrentTime; ev.xclient.data.l[1] = message; ev.xclient.data.l[2] = data1; ev.xclient.data.l[3] = data2; ev.xclient.data.l[4] = data3; trap_errors(); XSendEvent(dpy, w, False, NoEventMask, &ev); XSync(dpy, False); return untrap_errors(); } #define SYSTEM_TRAY_REQUEST_DOCK 0 #define SYSTEM_TRAY_BEGIN_MESSAGE 1 #define SYSTEM_TRAY_CANCEL_MESSAGE 2 //---------------------------------------------------------------------------- // TrayIcon::TrayIconPrivate //---------------------------------------------------------------------------- class TrayIcon::TrayIconPrivate : public QWidget { public: TrayIconPrivate(TrayIcon *object, int size); ~TrayIconPrivate() { } virtual void initWM(WId icon); virtual void setPixmap(const QPixmap &pm); virtual void paintEvent(QPaintEvent *); virtual void enterEvent(QEvent *); virtual void mouseMoveEvent(QMouseEvent *e); virtual void mousePressEvent(QMouseEvent *e); virtual void mouseReleaseEvent(QMouseEvent *e); virtual void mouseDoubleClickEvent(QMouseEvent *e); virtual void closeEvent(QCloseEvent *e); private: TrayIcon *iconObject; QPixmap pix; int size; }; TrayIcon::TrayIconPrivate::TrayIconPrivate(TrayIcon *object, int _size) : QWidget(0/*, object->name(), Qt::WRepaintNoErase*/) { iconObject = object; size = _size; setAttribute(Qt::WA_NoBackground); setFocusPolicy(Qt::NoFocus); //setBackgroundMode(X11ParentRelative); setMinimumSize(size, size); setMaximumSize(size, size); } // This base stuff is required by both FreeDesktop specification and WindowMaker void TrayIcon::TrayIconPrivate::initWM(WId icon) { Display *dsp = x11Info().display(); WId leader = winId(); // set the class hint XClassHint classhint; classhint.res_name = (char*)"psidock"; classhint.res_class = (char*)"Psi"; XSetClassHint(dsp, leader, &classhint); // set the Window Manager hints XWMHints *hints; hints = XGetWMHints(dsp, leader); // init hints hints->flags = WindowGroupHint | IconWindowHint | StateHint; // set the window group hint hints->window_group = leader; // set the window hint hints->initial_state = WithdrawnState; // initial state hints->icon_window = icon; // in WM, this should be winId() of separate widget hints->icon_x = 0; hints->icon_y = 0; XSetWMHints(dsp, leader, hints); // set the window hints for WM to use. XFree( hints ); } void TrayIcon::TrayIconPrivate::setPixmap(const QPixmap &pm) { pix = pm; setWindowIcon(pix); repaint(); } void TrayIcon::TrayIconPrivate::paintEvent(QPaintEvent *) { QPainter p(this); p.drawPixmap((width() - pix.width())/2, (height() - pix.height())/2, pix); } void TrayIcon::TrayIconPrivate::enterEvent(QEvent *e) { // Taken from KSystemTray.. //#if QT_VERSION < 0x030200 //if ( !qApp->focusWidget() ) { XEvent ev; memset(&ev, 0, sizeof(ev)); ev.xfocus.display = x11Info().display();//qt_xdisplay(); ev.xfocus.type = FocusIn; ev.xfocus.window = winId(); ev.xfocus.mode = NotifyNormal; ev.xfocus.detail = NotifyAncestor; Time time = x11Info().appTime();//qt_x_time; //qt_x_time = 1; x11Info().setAppTime(1); qApp->x11ProcessEvent( &ev ); //qt_x_time = time; x11Info().setAppTime(time); //} //#endif QWidget::enterEvent(e); } void TrayIcon::TrayIconPrivate::mouseMoveEvent(QMouseEvent *e) { QApplication::sendEvent(iconObject, e); } void TrayIcon::TrayIconPrivate::mousePressEvent(QMouseEvent *e) { QApplication::sendEvent(iconObject, e); } void TrayIcon::TrayIconPrivate::mouseReleaseEvent(QMouseEvent *e) { QApplication::sendEvent(iconObject, e); } void TrayIcon::TrayIconPrivate::mouseDoubleClickEvent(QMouseEvent *e) { QApplication::sendEvent(iconObject, e); } void TrayIcon::TrayIconPrivate::closeEvent(QCloseEvent *e) { iconObject->gotCloseEvent(); e->accept(); } //---------------------------------------------------------------------------- // TrayIconFreeDesktop //---------------------------------------------------------------------------- class TrayIconFreeDesktop : public TrayIcon::TrayIconPrivate { public: TrayIconFreeDesktop(TrayIcon *object, const QPixmap &pm); }; TrayIconFreeDesktop::TrayIconFreeDesktop(TrayIcon *object, const QPixmap &pm) : TrayIconPrivate(object, 22) { initWM( winId() ); // initialize NetWM Display *dsp = x11Info().display();//x11Display(); // dock the widget (adapted from SIM-ICQ) Screen *screen = XDefaultScreenOfDisplay(dsp); // get the screen int screen_id = XScreenNumberOfScreen(screen); // and it's number char buf[32]; snprintf(buf, sizeof(buf), "_NET_SYSTEM_TRAY_S%d", screen_id); Atom selection_atom = XInternAtom(dsp, buf, false); XGrabServer(dsp); Window manager_window = XGetSelectionOwner(dsp, selection_atom); if ( manager_window != None ) XSelectInput(dsp, manager_window, StructureNotifyMask); XUngrabServer(dsp); XFlush(dsp); if ( manager_window != None ) send_message(dsp, manager_window, SYSTEM_TRAY_REQUEST_DOCK, winId(), 0, 0); // some KDE mumbo-jumbo... why is it there? anybody? Atom kwm_dockwindow_atom = XInternAtom(dsp, "KWM_DOCKWINDOW", false); Atom kde_net_system_tray_window_for_atom = XInternAtom(dsp, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR", false); long data = 0; XChangeProperty(dsp, winId(), kwm_dockwindow_atom, kwm_dockwindow_atom, 32, PropModeReplace, (uchar*)&data, 1); XChangeProperty(dsp, winId(), kde_net_system_tray_window_for_atom, XA_WINDOW, 32, PropModeReplace, (uchar*)&data, 1); setPixmap(pm); } //---------------------------------------------------------------------------- // TrayIconWindowMaker //---------------------------------------------------------------------------- class TrayIconWharf : public TrayIcon::TrayIconPrivate { public: TrayIconWharf(TrayIcon *object, const QPixmap &pm) : TrayIconPrivate(object, 64) { setPixmap(pm); } void setPixmap(const QPixmap &_pm) { QPixmap pm; QImage i = _pm.toImage(); i = i.scaled(i.width() * 2, i.height() * 2); pm = QPixmap::fromImage(i); TrayIconPrivate::setPixmap(pm); // thanks to Robert Spier for this: // for some reason the repaint() isn't being honored, or isn't for // the icon. So force one on the widget behind the icon //erase(); QPaintEvent pe( rect() ); paintEvent(&pe); } }; class TrayIconWindowMaker : public TrayIcon::TrayIconPrivate { public: TrayIconWindowMaker(TrayIcon *object, const QPixmap &pm); ~TrayIconWindowMaker(); void setPixmap(const QPixmap &pm); private: TrayIconWharf *wharf; }; TrayIconWindowMaker::TrayIconWindowMaker(TrayIcon *object, const QPixmap &pm) : TrayIconPrivate(object, 32) { wharf = new TrayIconWharf(object, pm); initWM( wharf->winId() ); } TrayIconWindowMaker::~TrayIconWindowMaker() { delete wharf; } void TrayIconWindowMaker::setPixmap(const QPixmap &pm) { wharf->setPixmap(pm); } //---------------------------------------------------------------------------- // TrayIcon //---------------------------------------------------------------------------- void TrayIcon::sysInstall() { if ( d ) return; if ( v_isWMDock ) d = (TrayIconPrivate *)(new TrayIconWindowMaker(this, pm)); else d = (TrayIconPrivate *)(new TrayIconFreeDesktop(this, pm)); sysUpdateToolTip(); d->show(); } void TrayIcon::sysRemove() { if ( !d ) return; delete d; d = 0; } void TrayIcon::sysUpdateIcon() { if ( !d ) return; QPixmap pix = pm; d->setPixmap(pix); } void TrayIcon::sysUpdateToolTip() { if ( !d ) return; if ( tip.isEmpty() ) { //QToolTip::remove(d); d->setToolTip(QString()); } else { //QToolTip::add(d, tip); d->setToolTip(tip); } }