summaryrefslogtreecommitdiffstats
path: root/src/qtraylabel.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/qtraylabel.cpp')
-rw-r--r--src/qtraylabel.cpp809
1 files changed, 809 insertions, 0 deletions
diff --git a/src/qtraylabel.cpp b/src/qtraylabel.cpp
new file mode 100644
index 0000000..c3daaa3
--- /dev/null
+++ b/src/qtraylabel.cpp
@@ -0,0 +1,809 @@
+/*
+ * Copyright (C) 2004 Girish Ramakrishnan All Rights Reserved.
+ *
+ * This 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 software 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 software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+// $Id: qtraylabel.cpp,v 1.31 2005/06/21 10:04:36 cs19713 Exp $
+
+// Include all Qt includes before X
+#include <qstring.h>
+#include <qevent.h>
+#include <qpoint.h>
+#include <qtooltip.h>
+#include <qtimer.h>
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qfileinfo.h>
+#include <qapplication.h>
+#include "trace.h"
+#include "qtraylabel.h"
+
+#include <X11/cursorfont.h>
+#include <X11/xpm.h>
+#include <Xmu/WinUtil.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "util.h"
+
+void QTrayLabel::initialize(void)
+{
+ mDocked = false;
+ mWithdrawn = true;
+ mBalloonTimeout = 4000;
+ mSkippingTaskbar = false;
+ mDockWhenMinimized = true;
+ mDesktop = 666; // setDockedWindow would set it a saner value
+
+ // Balloon's properties are set to match a Qt tool tip (see Qt source)
+ mBalloon = new QLabel(0, "balloon", WType_TopLevel | WStyle_StaysOnTop |
+ WStyle_Customize | WStyle_NoBorder |
+ WStyle_Tool | WX11BypassWM);
+ mBalloon->setFont(QToolTip::font());
+ mBalloon->setPalette(QToolTip::palette());
+ mBalloon->setAlignment(Qt::AlignLeft | Qt::AlignTop);
+ mBalloon->setAutoMask(FALSE);
+ mBalloon->setAutoResize(true);
+ setAlignment(Qt::AlignCenter);
+ setBackgroundMode(X11ParentRelative);
+
+ connect(&mRealityMonitor, SIGNAL(timeout()), this, SLOT(realityCheck()));
+ setDockedWindow(mDockedWindow);
+
+ sysTrayStatus(QPaintDevice::x11AppDisplay(), &mSysTray);
+ // Subscribe to system tray window notifications
+ if (mSysTray != None)
+ subscribe(QPaintDevice::x11AppDisplay(), mSysTray,
+ StructureNotifyMask, true);
+}
+
+// Describe ourselves in a few words
+const char *QTrayLabel::me(void) const
+{
+ static char temp[100];
+ snprintf(temp, sizeof(temp), "(%s,PID=%i,WID=0x%x)",
+ mProgName[0].latin1(), mPid, (unsigned) mDockedWindow);
+ return temp;
+}
+
+QTrayLabel::QTrayLabel(Window w, QWidget* parent, const QString& text)
+ :QLabel(parent, text, WStyle_Customize | WStyle_NoBorder | WStyle_Tool),
+ mDockedWindow(w), mPid(0)
+{
+ initialize();
+}
+
+QTrayLabel::QTrayLabel(const QStringList& pname, pid_t pid, QWidget* parent)
+ :QLabel(parent, "TrayLabel", WStyle_Customize | WStyle_NoBorder | WStyle_Tool),
+ mDockedWindow(None), mProgName(pname), mPid(pid)
+{
+ if (pname[0].at(0) != '/' && pname[0].find('/', 1) > 0)
+ mProgName[0] = QFileInfo(pname[0]).absFilePath(); // convert to absolute
+ initialize();
+}
+
+QTrayLabel::~QTrayLabel()
+{
+ TRACE("%s Goodbye", me());
+ if (mDockedWindow == None) return;
+ // Leave the docked window is some sane state
+ mSkippingTaskbar = false;
+ skipTaskbar();
+ map();
+}
+
+/*
+ * Scans the windows in the desktop and checks if a window exists that we might
+ * be interested in
+ */
+void QTrayLabel::scanClients()
+{
+ Window r, parent, *children;
+ unsigned nchildren = 0;
+ Display *display = QPaintDevice::x11AppDisplay();
+ QString ename = QFileInfo(mProgName[0]).fileName(); // strip out the path
+
+ XQueryTree(display, qt_xrootwin(), &r, &parent, &children, &nchildren);
+ TRACE("%s nchildren=%i", me(), nchildren);
+ for(unsigned i=0; i<nchildren; i++)
+ {
+ Window w = XmuClientWindow(display, children[i]);
+ TRACE("\t%s checking 0x%x", me(), (unsigned) w);
+ if (!isNormalWindow(display, w)) continue;
+ if (analyzeWindow(display, w, mPid, ename.latin1()))
+ {
+ TRACE("\t%s SOULMATE FOUND", me());
+ setDockedWindow(w);
+ break;
+ }
+ }
+}
+
+/*
+ * Do a reality check :). Note that this timer runs only when required. Does 3
+ * things,
+ * 1) If the system tray had disappeared, checks for arrival of new system tray
+ * 2) Check root window subscription since it is overwritten by Qt (see below)
+ * 3) Checks health of the process whose windows we are docking
+ */
+void QTrayLabel::realityCheck(void)
+{
+ if (mSysTray == None)
+ {
+ // Check the system tray status if we were docked
+ if (sysTrayStatus(QPaintDevice::x11AppDisplay(), &mSysTray)
+ != SysTrayPresent) return; // no luck
+
+ TRACE("%s System tray present", me());
+ dock();
+ subscribe(QPaintDevice::x11AppDisplay(), mSysTray,
+ StructureNotifyMask, true);
+ mRealityMonitor.stop();
+ return;
+ }
+
+ /*
+ * I am not sure when, but Qt at some point in time overwrites our
+ * subscription (SubstructureNotifyMask) on the root window. So, we check
+ * the status of root window subscription periodically. Now, from the time
+ * Qt overwrote our subscription to the time we discovered it, the
+ * window we are looking for could have been mapped and we would have never
+ * been informed (since Qt overrwrote the subscription). So we have to
+ * scan existing client list and dock. I have never seen this happen
+ * but I see it likely to happen during session restoration
+ */
+ Display *display = QPaintDevice::x11AppDisplay();
+ XWindowAttributes attr;
+ XGetWindowAttributes(display, qt_xrootwin(), &attr);
+
+ if (!(attr.your_event_mask & SubstructureNotifyMask))
+ {
+ subscribe(display, None, SubstructureNotifyMask, true);
+ TRACE("%s rescanning clients since qt overrode mask", me());
+ scanClients();
+ }
+
+ if (mPid)
+ {
+ // Check process health
+ int status;
+ if (waitpid(mPid, &status, WNOHANG) == 0) return; // still running
+ TRACE("%s processDead", me());
+ mPid = 0;
+ processDead();
+ }
+}
+
+/*
+ * Sends a message to the WM to show this window on all the desktops
+ */
+void QTrayLabel::showOnAllDesktops(void)
+{
+ TRACE("Showing on all desktops");
+ Display *d = QPaintDevice::x11AppDisplay();
+ long l[5] = { -1, 0, 0, 0, 0 }; // -1 = all, 0 = Desktop1, 1 = Desktop2 ...
+ sendMessage(d, qt_xrootwin(), mDockedWindow, "_NET_WM_DESKTOP", 32,
+ SubstructureNotifyMask | SubstructureRedirectMask, l, sizeof(l));
+}
+
+// System tray messages
+const long SYSTEM_TRAY_REQUEST_DOCK = 0;
+const long SYSTEM_TRAY_BEGIN_MESSAGE = 1;
+const long SYSTEM_TRAY_CANCEL_MESSAGE = 2;
+
+/*
+ * Add the window to the system tray. Different WM require different hints to be
+ * set. We support the following (Google for more information),
+ * 1. GNOME - SYSTEM_TRAY_REQUEST_DOCK (freedesktop.org)
+ * 2. KDE 3.x and above - _KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR
+ * 3. Older KDE - KWM_DOCKWINDOW (Untested)
+ */
+void QTrayLabel::dock(void)
+{
+ TRACE("%s", me());
+ mDocked = true;
+ if (mDockedWindow == None) return; // nothing to add
+
+ if (mSysTray == None) // no system tray yet
+ {
+ TRACE("%s starting reality monitor", me());
+ mRealityMonitor.start(500);
+ return;
+ }
+
+ Display *display = QPaintDevice::x11AppDisplay();
+ Window wid = winId();
+
+ // 1. GNOME and NET WM Specification
+ long l[5] = { CurrentTime, SYSTEM_TRAY_REQUEST_DOCK, wid, 0, 0 };
+ sendMessage(display, mSysTray, mSysTray, "_NET_SYSTEM_TRAY_OPCODE",
+ 32, 0L, l, sizeof(l));
+
+ // 2. KDE 3.x and above
+ Atom tray_atom =
+ XInternAtom(display, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR", False);
+ XChangeProperty(display, wid, tray_atom, XA_WINDOW, 32,
+ PropModeReplace, (unsigned char *) &wid, 1);
+
+ // 3. All other KDEs
+ tray_atom = XInternAtom(display, "KWM_DOCKWINDOW", False);
+ XChangeProperty(display, wid, tray_atom, XA_WINDOW, 32,
+ PropModeReplace, (unsigned char *) &wid, 1);
+
+ TRACE("%s ", me());
+
+ handleTitleChange();
+ handleIconChange();
+
+ if (mProgName.count() == 0) setAppName(mClass);
+
+ /*
+ * For Gnome, a delay is required before we do a show (dont ask me why)
+ * If I do a show() without any delay, sometimes the icon has width=1 pixel
+ * even though the minimumSizeHint = 24, 24. I have successfully got it
+ * working with with a delay of as little as 50ms. But since I
+ * dont understand why this delay is required, I am justifiably paranoid
+ */
+ QTimer::singleShot(500, this, SLOT(show()));
+
+ // let the world know
+ emit docked(this);
+ emit docked();
+}
+
+/*
+ * Undocks. Removes us from the system tray. The spec doesnt say how an icon
+ * can be removed from the tray. KDE Spec says XUnmapWindow or XWithdraw should
+ * be used. It works but the system tray does not fill the void that we left
+ * in the tray. Looks like the system tray will resize only for DestroyEvents
+ */
+void QTrayLabel::undock(void)
+{
+ TRACE("%s stopping reality monitor", me());
+ mRealityMonitor.stop();
+ XUnmapWindow(QPaintDevice::x11AppDisplay(), winId());
+ emit undocked(this);
+ emit undocked();
+}
+
+/*
+ * Maps the window from the same place it was withdrawn from
+ */
+void QTrayLabel::map(void)
+{
+ TRACE("%s", me());
+ mWithdrawn = false;
+ if (mDockedWindow == None) return;
+
+ Display *display = QPaintDevice::x11AppDisplay();
+
+ if (mDesktop == -1)
+ {
+ /*
+ * We track _NET_WM_DESKTOP changes in the x11EventFilter. Its used here.
+ * _NET_WM_DESKTOP is set by the WM to the active desktop for newly
+ * mapped windows (like this one) at some point in time. We give
+ * the WM 200ms to do that. We will override that value to -1 (all
+ * desktops) on showOnAllDesktops().
+ */
+ QTimer::singleShot(200, this, SLOT(showOnAllDesktops()));
+ }
+
+ /*
+ * A simple XMapWindow would not do. Some applications like xmms wont
+ * redisplay its other windows (like the playlist, equalizer) since the
+ * Withdrawn->Normal state change code does not map them. So we make the
+ * window go through Withdrawn->Iconify->Normal state.
+ */
+ XWMHints *wm_hint = XGetWMHints(display, mDockedWindow);
+ if (wm_hint)
+ {
+ wm_hint->initial_state = IconicState;
+ XSetWMHints(display, mDockedWindow, wm_hint);
+ XFree(wm_hint);
+ }
+
+ XMapWindow(display, mDockedWindow);
+ mSizeHint.flags = USPosition; // Obsolete ?
+ XSetWMNormalHints(display, mDockedWindow, &mSizeHint);
+ // make it the active window
+ long l[5] = { None, CurrentTime, None, 0, 0 };
+ sendMessage(display, qt_xrootwin(), mDockedWindow, "_NET_ACTIVE_WINDOW", 32,
+ SubstructureNotifyMask | SubstructureRedirectMask, l, sizeof(l));
+ // skipTaskbar modifies _NET_WM_STATE. Make sure we dont override WMs value
+ QTimer::singleShot(230, this, SLOT(skipTaskbar()));
+ // disable docking when minized for some time (since we went to Iconic state)
+ mDockWhenMinimized = !mDockWhenMinimized;
+ QTimer::singleShot(230, this, SLOT(toggleDockWhenMinimized()));
+}
+
+void QTrayLabel::withdraw(void)
+{
+ TRACE("%s", me());
+ mWithdrawn = true;
+ if (mDockedWindow == None) return;
+
+ Display *display = QPaintDevice::x11AppDisplay();
+ int screen = DefaultScreen(display);
+ long dummy;
+
+ XGetWMNormalHints(display, mDockedWindow, &mSizeHint, &dummy);
+
+ /*
+ * A simple call to XWithdrawWindow wont do. Here is what we do:
+ * 1. Iconify. This will make the application hide all its other windows. For
+ * example, xmms would take off the playlist and equalizer window.
+ * 2. Next tell the WM, that we would like to go to withdrawn state. Withdrawn
+ * state will remove us from the taskbar.
+ * Reference: ICCCM 4.1.4 Changing Window State
+ */
+ XIconifyWindow(display, mDockedWindow, screen); // good for effects too
+ XUnmapWindow(display, mDockedWindow);
+ XUnmapEvent ev;
+ memset(&ev, 0, sizeof(ev));
+ ev.type = UnmapNotify;
+ ev.display = display;
+ ev.event = qt_xrootwin();
+ ev.window = mDockedWindow;
+ ev.from_configure = false;
+ XSendEvent(display, qt_xrootwin(), False,
+ SubstructureRedirectMask|SubstructureNotifyMask, (XEvent *)&ev);
+ XSync(display, False);
+}
+
+/*
+ * Skipping the taskbar is a bit painful. Basically, NET_WM_STATE needs to
+ * have _NET_WM_STATE_SKIP_TASKBAR. NET_WM_STATE needs to be updated
+ * carefully since it is a set of states.
+ */
+void QTrayLabel::skipTaskbar(void)
+{
+ Atom __attribute__ ((unused)) type;
+ int __attribute__ ((unused)) format;
+ unsigned long __attribute__ ((unused)) left;
+ Atom *data = NULL;
+ unsigned long nitems = 0, num_states = 0;
+ Display *display = QPaintDevice::x11AppDisplay();
+
+ TRACE("%s", me());
+ Atom _NET_WM_STATE = XInternAtom(display, "_NET_WM_STATE", True);
+ Atom skip_atom = XInternAtom(display, "_NET_WM_STATE_SKIP_TASKBAR", False);
+ int ret = XGetWindowProperty(display, mDockedWindow, _NET_WM_STATE, 0,
+ 20, False, AnyPropertyType, &type, &format,
+ &nitems, &left, (unsigned char **) &data);
+ Atom *old_states = (Atom *) data;
+ bool append = true, replace = false;
+
+ if ((ret == Success) && data)
+ {
+ // Search for the skip_atom. Stop when found
+ for (num_states = 0; num_states < nitems; num_states++)
+ if (old_states[num_states] == skip_atom) break;
+
+ if (mSkippingTaskbar)
+ append = (num_states >= nitems);
+ else
+ {
+ if (num_states < nitems)
+ {
+ replace = true; // need to remove skip_atom
+ for (; num_states < nitems - 1; num_states++)
+ old_states[num_states] = old_states[num_states + 1];
+ }
+ }
+ XFree(data);
+ }
+
+ TRACE("%s SkippingTaskar=%i append=%i replace=%i", me(), mSkippingTaskbar,
+ append, replace);
+
+ if (mSkippingTaskbar)
+ {
+ if (append)
+ XChangeProperty(display, mDockedWindow, _NET_WM_STATE, XA_ATOM, 32,
+ PropModeAppend, (unsigned char *) &skip_atom, 1);
+ }
+ else if (replace)
+ XChangeProperty(display, mDockedWindow, _NET_WM_STATE, XA_ATOM, 32,
+ PropModeReplace, (unsigned char *) &old_states, nitems - 1);
+}
+
+void QTrayLabel::setSkipTaskbar(bool skip)
+{
+ TRACE("%s Skip=%i", me(), skip);
+ mSkippingTaskbar = skip;
+ if (mDockedWindow != None && !mWithdrawn) skipTaskbar();
+}
+
+/*
+ * Closes a window by sending _NET_CLOSE_WINDOW. For reasons best unknown we
+ * need to first map and then send the request.
+ */
+void QTrayLabel::close(void)
+{
+ TRACE("%s", me());
+ Display *display = QPaintDevice::x11AppDisplay();
+ long l[5] = { 0, 0, 0, 0, 0 };
+ map();
+ sendMessage(display, qt_xrootwin(), mDockedWindow, "_NET_CLOSE_WINDOW", 32,
+ SubstructureNotifyMask | SubstructureRedirectMask,
+ l, sizeof(l));
+}
+
+/*
+ * Sets the tray icon. If the icon failed to load, we revert to application icon
+ */
+void QTrayLabel::setTrayIcon(const QString& icon)
+{
+ mCustomIcon = icon;
+ if (QPixmap(mCustomIcon).isNull()) mCustomIcon = QString::null;
+ TRACE("%s mCustomIcon=%s", me(), mCustomIcon.latin1());
+ updateIcon();
+}
+
+/*
+ * Sets the docked window to w.
+ * A) Start/stop reality timer.
+ * B) Subscribe/Unsubscribe for root/w notifications as appropriate
+ * C) And of course, dock the window and apply some settings
+ */
+void QTrayLabel::setDockedWindow(Window w)
+{
+ TRACE("%s %s reality monitor", me(),
+ mDockedWindow==None ? "Starting" : "Stopping");
+
+ // Check if we are allowed to dock this window (allows custom rules)
+ if (w != None) mDockedWindow = canDockWindow(w) ? w : None;
+ else mDockedWindow = None;
+
+ if (mDockedWindow == None) mRealityMonitor.start(500);
+ else mRealityMonitor.stop();
+
+ Display *d = QPaintDevice::x11AppDisplay();
+
+ // Subscribe for window or root window events
+ if (w == None) subscribe(d, None, SubstructureNotifyMask, true);
+ else
+ {
+ if (canUnsubscribeFromRoot())
+ subscribe(d, None, ~SubstructureNotifyMask, false);
+ else subscribe(d, None, SubstructureNotifyMask, true);
+
+ subscribe(d, w,
+ StructureNotifyMask | PropertyChangeMask |
+ VisibilityChangeMask | FocusChangeMask,
+ true);
+ }
+
+ if (mDocked && w!=None)
+ {
+ // store the desktop on which the window is being shown
+ getCardinalProperty(d, mDockedWindow,
+ XInternAtom(d, "_NET_WM_DESKTOP", True), &mDesktop);
+
+ if (mWithdrawn)
+ // show the window for sometime before docking
+ QTimer::singleShot(1000, this, SLOT(withdraw()));
+ else map();
+ dock();
+ }
+}
+
+/*
+ * Balloon text. Overload this if you dont like the way things are ballooned
+ */
+void QTrayLabel::balloonText()
+{
+ TRACE("%s BalloonText=%s ToolTipText=%s", me(),
+ mBalloon->text().latin1(), QToolTip::textFor(this).latin1());
+
+ if (mBalloon->text() == QToolTip::textFor(this)) return;
+#if 0 // I_GOT_NETWM_BALLOONING_TO_WORK
+ // if you can get NET WM ballooning to work let me know
+ static int id = 1;
+ long l[5] = { CurrentTime, SYSTEM_TRAY_BEGIN_MESSAGE, 2000,
+ mTitle.length(), id++
+ };
+ sendMessage(display, mSystemTray, winId(), "_NET_SYSTEM_TRAY_OPCODE", 32,
+ SubstructureNotifyMask | SubstructureRedirectMask,
+ l, sizeof(l));
+ int length = mTitle.length();
+ const char *data = mTitle.latin1();
+ while (length > 0)
+ {
+ sendMessage(display, mSystemTray, winId(), "_NET_SYSTEM_TRAY_MESSAGE_DATA", 8,
+ SubstructureNotifyMask | SubstructureRedirectMask,
+ (void *) data, length > 20 ? 20 : length);
+ length -= 20;
+ data += 20;
+ }
+#else
+ // Manually do ballooning. See the Qt ToolTip code
+ QString oldText = mBalloon->text();
+ mBalloon->setText(QToolTip::textFor(this));
+ if (oldText.isEmpty()) return; // dont tool tip the first time
+ QPoint p = mapToGlobal(QPoint(0, -1 - mBalloon->height()));
+ if (p.x() + mBalloon->width() > QApplication::desktop()->width())
+ p.setX(p.x() + width() - mBalloon->width());
+
+ if (p.y() < 0) p.setY(height() + 1);
+
+ mBalloon->move(p);
+ mBalloon->show();
+ QTimer::singleShot(mBalloonTimeout, mBalloon, SLOT(hide()));
+#endif
+}
+
+/*
+ * Update the title in the menu. Balloon the title change if necessary
+ */
+void QTrayLabel::handleTitleChange(void)
+{
+ Display *display = QPaintDevice::x11AppDisplay();
+ char *window_name = NULL;
+
+ XFetchName(display, mDockedWindow, &window_name);
+ mTitle = window_name;
+ TRACE("%s has title [%s]", me(), mTitle.latin1());
+ if (window_name) XFree(window_name);
+
+ XClassHint ch;
+ if (XGetClassHint(display, mDockedWindow, &ch))
+ {
+ if (ch.res_class) mClass = QString(ch.res_class);
+ else if (ch.res_name) mClass = QString(ch.res_name);
+
+ if (ch.res_class) XFree(ch.res_class);
+ if (ch.res_name) XFree(ch.res_name);
+ }
+
+ updateTitle();
+ if (mBalloonTimeout) balloonText();
+}
+
+/*
+ * Overload this if you want a tool tip format that is different from the one
+ * below i.e "Title [Class]".
+ */
+void QTrayLabel::updateTitle()
+{
+ TRACE("%s", me());
+ QString text = mTitle + " [" + mClass + "]";
+ QToolTip::remove(this);
+ QToolTip::add(this, text);
+
+ if (mBalloonTimeout) balloonText();
+}
+
+void QTrayLabel::handleIconChange(void)
+{
+ char **window_icon = NULL;
+
+ TRACE("%s", me());
+ if (mDockedWindow == None) return;
+
+ Display *display = QPaintDevice::x11AppDisplay();
+ XWMHints *wm_hints = XGetWMHints(display, mDockedWindow);
+ if (wm_hints != NULL)
+ {
+ if (!(wm_hints->flags & IconMaskHint))
+ wm_hints->icon_mask = None;
+ /*
+ * We act paranoid here. Progams like KSnake has a bug where
+ * IconPixmapHint is set but no pixmap (Actually this happens with
+ * quite a few KDE programs) X-(
+ */
+ if ((wm_hints->flags & IconPixmapHint) && (wm_hints->icon_pixmap))
+ XpmCreateDataFromPixmap(display, &window_icon, wm_hints->icon_pixmap,
+ wm_hints->icon_mask, NULL);
+ XFree(wm_hints);
+ }
+ QImage image;
+ if (!window_icon)
+ {
+ if (!image.load(QString(ICONS_PATH) + "/question.png"))
+ image.load(qApp->applicationDirPath() + "/icons/question.png");
+ }
+ else image = QPixmap((const char **) window_icon).convertToImage();
+ if (window_icon) XpmFree(window_icon);
+ mAppIcon = image.smoothScale(24, 24); // why?
+ setMinimumSize(mAppIcon.size());
+ setMaximumSize(mAppIcon.size());
+
+ updateIcon();
+}
+
+/*
+ * Overload this to possibly do operations on the pixmap before it is set
+ */
+void QTrayLabel::updateIcon()
+{
+ TRACE("%s", me());
+ setPixmap(mCustomIcon.isEmpty() ? mAppIcon : mCustomIcon);
+ erase();
+ QPaintEvent pe(rect());
+ paintEvent(&pe);
+}
+
+/*
+ * Mouse activity on our label. RightClick = Menu. LeftClick = Toggle Map
+ */
+void QTrayLabel::mouseReleaseEvent(QMouseEvent * ev)
+{
+ emit clicked(ev->button(), ev->globalPos());
+}
+
+/*
+ * Track drag event
+ */
+void QTrayLabel::dragEnterEvent(QDragEnterEvent *ev)
+{
+ ev->accept();
+ map();
+}
+
+/*
+ * Event dispatcher
+ */
+bool QTrayLabel::x11EventFilter(XEvent *ev)
+{
+ XAnyEvent *event = (XAnyEvent *)ev;
+
+ if (event->window == mSysTray)
+ {
+ if (event->type != DestroyNotify) return FALSE; // not interested in others
+ emit sysTrayDestroyed();
+ mSysTray = None;
+ TRACE("%s SystemTray disappeared. Starting timer", me());
+ mRealityMonitor.start(500);
+ return true;
+ }
+ else if (event->window == mDockedWindow)
+ {
+ if (event->type == DestroyNotify)
+ destroyEvent();
+ else if (event->type == PropertyNotify)
+ propertyChangeEvent(((XPropertyEvent *)event)->atom);
+ else if (event->type == VisibilityNotify)
+ {
+ if (((XVisibilityEvent *) event)->state == VisibilityFullyObscured)
+ obscureEvent();
+ }
+ else if (event->type == MapNotify)
+ {
+ mWithdrawn = false;
+ mapEvent();
+ }
+ else if (event->type == UnmapNotify)
+ {
+ mWithdrawn = true;
+ unmapEvent();
+ }
+ else if (event->type == FocusOut)
+ {
+ focusLostEvent();
+ }
+ return true; // Dont process this again
+ }
+
+ if (mDockedWindow != None || event->type != MapNotify) return FALSE;
+
+ TRACE("%s Will analyze window 0x%x", me(), (int)((XMapEvent *)event)->window);
+ // Check if this window is the soulmate we are looking for
+ Display *display = QPaintDevice::x11AppDisplay();
+ Window w = XmuClientWindow(display, ((XMapEvent *) event)->window);
+ if (!isNormalWindow(display, w)) return FALSE;
+ if (!analyzeWindow(display, w, mPid,
+ QFileInfo(mProgName[0]).fileName().latin1())) return FALSE;
+ // All right. Lets dock this baby
+ setDockedWindow(w);
+ return true;
+}
+
+void QTrayLabel::minimizeEvent(void)
+{
+ TRACE("minimizeEvent");
+ if (mDockWhenMinimized) withdraw();
+}
+
+void QTrayLabel::destroyEvent(void)
+{
+ TRACE("%s destroyEvent", me());
+ setDockedWindow(None);
+ if (!mPid) undock();
+}
+
+void QTrayLabel::propertyChangeEvent(Atom property)
+{
+ Display *display = QPaintDevice::x11AppDisplay();
+ static Atom WM_NAME = XInternAtom(display, "WM_NAME", True);
+ static Atom WM_ICON = XInternAtom(display, "WM_ICON", True);
+ static Atom WM_STATE = XInternAtom(display, "WM_STATE", True);
+ static Atom _NET_WM_STATE = XInternAtom(display, "_NET_WM_STATE", True);
+ static Atom _NET_WM_DESKTOP = XInternAtom(display, "_NET_WM_DESKTOP", True);
+
+ if (property == WM_NAME)
+ handleTitleChange();
+ else if (property == WM_ICON)
+ handleIconChange();
+ else if (property == _NET_WM_STATE)
+ ; // skipTaskbar();
+ else if (property == _NET_WM_DESKTOP)
+ {
+ TRACE("_NET_WM_DESKTOP changed");
+ getCardinalProperty(display, mDockedWindow, _NET_WM_DESKTOP, &mDesktop);
+ }
+ else if (property == WM_STATE)
+ {
+ Atom type = None;
+ int format;
+ unsigned long nitems, after;
+ unsigned char *data = NULL;
+ int r = XGetWindowProperty(display, mDockedWindow, WM_STATE,
+ 0, 1, False, AnyPropertyType, &type,
+ &format, &nitems, &after, &data);
+
+ if ((r == Success) && data && (*(long *) data == IconicState))
+ {
+ minimizeEvent();
+ XFree(data);
+ }
+ }
+}
+
+// Session Management
+bool QTrayLabel::saveState(QSettings &settings)
+{
+ TRACE("%s saving state", me());
+ settings.writeEntry("/Application", mProgName.join(" "));
+ settings.writeEntry("/CustomIcon", mCustomIcon);
+ settings.writeEntry("/BalloonTimeout", mBalloonTimeout);
+ settings.writeEntry("/DockWhenMinimized", mDockWhenMinimized);
+ settings.writeEntry("/SkipTaskbar", mSkippingTaskbar);
+ settings.writeEntry("/Withdraw", mWithdrawn);
+ return true;
+}
+
+bool QTrayLabel::restoreState(QSettings &settings)
+{
+ TRACE("%s restoring state", me());
+ mCustomIcon = settings.readEntry("/CustomIcon");
+ setBalloonTimeout(settings.readNumEntry("/BalloonTimeout"));
+ setDockWhenMinimized(settings.readBoolEntry("/DockWhenMinimized"));
+ setSkipTaskbar(settings.readBoolEntry("/SkipTaskbar"));
+ mWithdrawn = settings.readBoolEntry("/Withdraw");
+
+ dock();
+
+ /*
+ * Since we are getting restored, it is likely that the application that we
+ * are interested in has already been started (if we didnt launch it).
+ * So we scan the list of windows and grab the first one that satisfies us
+ * This implicitly assumes that if mPid!=0 then we launched it. Wait till
+ * the application really shows itself up before we do a scan (the reason
+ * why we have 2s
+ */
+ if (!mPid) QTimer::singleShot(2000, this, SLOT(scanClients()));
+
+ return true;
+}
+
+// End kicking butt
+