qxcbsystemtraytracker.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the plugins of the Qt Toolkit.-
7**-
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26** As a special exception, The Qt Company gives you certain additional-
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28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include "qxcbsystemtraytracker.h"-
35#include "qxcbconnection.h"-
36#include "qxcbscreen.h"-
37-
38#include <QtCore/QDebug>-
39#include <QtCore/QRect>-
40#include <QtGui/QScreen>-
41-
42#include <qpa/qplatformnativeinterface.h>-
43-
44QT_BEGIN_NAMESPACE-
45-
46enum {-
47 SystemTrayRequestDock = 0,-
48 SystemTrayBeginMessage = 1,-
49 SystemTrayCancelMessage = 2-
50};-
51-
52// QXcbSystemTrayTracker provides API for accessing the tray window and tracks-
53// its lifecyle by listening for its destruction and recreation.-
54// See http://standards.freedesktop.org/systemtray-spec/systemtray-spec-latest.html-
55-
56QXcbSystemTrayTracker *QXcbSystemTrayTracker::create(QXcbConnection *connection)-
57{-
58 // Selection, tray atoms for GNOME, NET WM Specification-
59 const xcb_atom_t trayAtom = connection->atom(QXcbAtom::_NET_SYSTEM_TRAY_OPCODE);-
60 if (!trayAtom)
!trayAtomDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-1
61 return 0;
never executed: return 0;
0
62 const QByteArray netSysTray = QByteArrayLiteral("_NET_SYSTEM_TRAY_S") + QByteArray::number(connection->primaryScreenNumber());
executed 1 time by 1 test: return ba;
Executed by:
  • tst_QSystemTrayIcon
1
63 const xcb_atom_t selection = connection->internAtom(netSysTray.constData());-
64 if (!selection)
!selectionDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-1
65 return 0;
never executed: return 0;
0
66-
67 return new QXcbSystemTrayTracker(connection, trayAtom, selection);
executed 1 time by 1 test: return new QXcbSystemTrayTracker(connection, trayAtom, selection);
Executed by:
  • tst_QSystemTrayIcon
1
68}-
69-
70QXcbSystemTrayTracker::QXcbSystemTrayTracker(QXcbConnection *connection,-
71 xcb_atom_t trayAtom,-
72 xcb_atom_t selection)-
73 : QObject(connection)-
74 , m_selection(selection)-
75 , m_trayAtom(trayAtom)-
76 , m_connection(connection)-
77 , m_trayWindow(0)-
78{-
79}
executed 1 time by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
1
80-
81xcb_window_t QXcbSystemTrayTracker::locateTrayWindow(const QXcbConnection *connection, xcb_atom_t selection)-
82{-
83 xcb_get_selection_owner_cookie_t cookie = xcb_get_selection_owner(connection->xcb_connection(), selection);-
84 xcb_get_selection_owner_reply_t *reply = xcb_get_selection_owner_reply(connection->xcb_connection(), cookie, 0);-
85 if (!reply)
!replyDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-1
86 return 0;
never executed: return 0;
0
87 const xcb_window_t result = reply->owner;-
88 free(reply);-
89 return result;
executed 1 time by 1 test: return result;
Executed by:
  • tst_QSystemTrayIcon
1
90}-
91-
92// API for QPlatformNativeInterface/QPlatformSystemTrayIcon: Request a window-
93// to be docked on the tray.-
94void QXcbSystemTrayTracker::requestSystemTrayWindowDock(xcb_window_t window) const-
95{-
96 xcb_client_message_event_t trayRequest;-
97 trayRequest.response_type = XCB_CLIENT_MESSAGE;-
98 trayRequest.format = 32;-
99 trayRequest.sequence = 0;-
100 trayRequest.window = m_trayWindow;-
101 trayRequest.type = m_trayAtom;-
102 trayRequest.data.data32[0] = XCB_CURRENT_TIME;-
103 trayRequest.data.data32[1] = SystemTrayRequestDock;-
104 trayRequest.data.data32[2] = window;-
105 xcb_send_event(m_connection->xcb_connection(), 0, m_trayWindow, XCB_EVENT_MASK_NO_EVENT, (const char *)&trayRequest);-
106}
executed 3 times by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
3
107-
108// API for QPlatformNativeInterface/QPlatformSystemTrayIcon: Return tray window.-
109xcb_window_t QXcbSystemTrayTracker::trayWindow()-
110{-
111 if (!m_trayWindow) {
!m_trayWindowDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
FALSEevaluated 5 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
1-5
112 m_trayWindow = QXcbSystemTrayTracker::locateTrayWindow(m_connection, m_selection);-
113 if (m_trayWindow) { // Listen for DestroyNotify on tray.
m_trayWindowDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
FALSEnever evaluated
0-1
114 m_connection->addWindowEventListener(m_trayWindow, this);-
115 const quint32 mask = XCB_CW_EVENT_MASK;-
116 const quint32 value = XCB_EVENT_MASK_STRUCTURE_NOTIFY;-
117 Q_XCB_CALL2(xcb_change_window_attributes(m_connection->xcb_connection(), m_trayWindow, mask, &value), m_connection);-
118 }
executed 1 time by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
1
119 }
executed 1 time by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
1
120 return m_trayWindow;
executed 6 times by 1 test: return m_trayWindow;
Executed by:
  • tst_QSystemTrayIcon
6
121}-
122-
123// API for QPlatformNativeInterface/QPlatformSystemTrayIcon: Return the geometry of a-
124// a window parented on the tray. Determines the global geometry via XCB since mapToGlobal-
125// does not work for the QWindow parented on the tray.-
126QRect QXcbSystemTrayTracker::systemTrayWindowGlobalGeometry(xcb_window_t window) const-
127{-
128-
129 xcb_connection_t *conn = m_connection->xcb_connection();-
130 xcb_get_geometry_reply_t *geomReply =-
131 xcb_get_geometry_reply(conn, xcb_get_geometry(conn, window), 0);-
132 if (!geomReply)
!geomReplyDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-4
133 return QRect();
never executed: return QRect();
0
134-
135 xcb_translate_coordinates_reply_t *translateReply =-
136 xcb_translate_coordinates_reply(conn, xcb_translate_coordinates(conn, window, m_connection->rootWindow(), 0, 0), 0);-
137 if (!translateReply) {
!translateReplyDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-4
138 free(geomReply);-
139 return QRect();
never executed: return QRect();
0
140 }-
141-
142 const QRect result(QPoint(translateReply->dst_x, translateReply->dst_y), QSize(geomReply->width, geomReply->height));-
143 free(translateReply);-
144 return result;
executed 4 times by 1 test: return result;
Executed by:
  • tst_QSystemTrayIcon
4
145}-
146-
147inline void QXcbSystemTrayTracker::emitSystemTrayWindowChanged()-
148{-
149 if (const QPlatformScreen *ps = m_connection->primaryScreen())
const QPlatfor...rimaryScreen()Description
TRUEnever evaluated
FALSEnever evaluated
0
150 emit systemTrayWindowChanged(ps->screen());
never executed: systemTrayWindowChanged(ps->screen());
0
151}
never executed: end of block
0
152-
153// Client messages with the "MANAGER" atom on the root window indicate creation of a new tray.-
154void QXcbSystemTrayTracker::notifyManagerClientMessageEvent(const xcb_client_message_event_t *t)-
155{-
156 if (t->data.data32[1] == m_selection)
t->data.data32...== m_selectionDescription
TRUEnever evaluated
FALSEnever evaluated
0
157 emitSystemTrayWindowChanged();
never executed: emitSystemTrayWindowChanged();
0
158}
never executed: end of block
0
159-
160// Listen for destruction of the tray.-
161void QXcbSystemTrayTracker::handleDestroyNotifyEvent(const xcb_destroy_notify_event_t *event)-
162{-
163 if (event->window == m_trayWindow) {
event->window == m_trayWindowDescription
TRUEnever evaluated
FALSEnever evaluated
0
164 m_connection->removeWindowEventListener(m_trayWindow);-
165 m_trayWindow = XCB_WINDOW_NONE;-
166 emitSystemTrayWindowChanged();-
167 }
never executed: end of block
0
168}
never executed: end of block
0
169-
170bool QXcbSystemTrayTracker::visualHasAlphaChannel()-
171{-
172 if (m_trayWindow == XCB_WINDOW_NONE)
m_trayWindow =...CB_WINDOW_NONEDescription
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-3
173 return false;
never executed: return false;
0
174-
175 xcb_atom_t tray_atom = m_connection->atom(QXcbAtom::_NET_SYSTEM_TRAY_VISUAL);-
176-
177 // Get the xcb property for the _NET_SYSTEM_TRAY_VISUAL atom-
178 xcb_get_property_cookie_t systray_atom_cookie;-
179 xcb_get_property_reply_t *systray_atom_reply;-
180-
181 systray_atom_cookie = xcb_get_property_unchecked(m_connection->xcb_connection(), false, m_trayWindow,-
182 tray_atom, XCB_ATOM_VISUALID, 0, 1);-
183 systray_atom_reply = xcb_get_property_reply(m_connection->xcb_connection(), systray_atom_cookie, 0);-
184-
185 if (!systray_atom_reply)
!systray_atom_replyDescription
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-3
186 return false;
never executed: return false;
0
187-
188 xcb_visualid_t systrayVisualId = XCB_NONE;-
189 if (systray_atom_reply->value_len > 0 && xcb_get_property_value_length(systray_atom_reply) > 0) {
systray_atom_r...>value_len > 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
FALSEnever evaluated
xcb_get_proper...tom_reply) > 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
FALSEnever evaluated
0-3
190 xcb_visualid_t * vids = (uint32_t *)xcb_get_property_value(systray_atom_reply);-
191 systrayVisualId = vids[0];-
192 }
executed 3 times by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
3
193-
194 free(systray_atom_reply);-
195-
196 if (systrayVisualId != XCB_NONE) {
systrayVisualId != 0LDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
FALSEnever evaluated
0-3
197 quint8 depth = m_connection->primaryScreen()->depthOfVisual(systrayVisualId);-
198 return depth == 32;
executed 3 times by 1 test: return depth == 32;
Executed by:
  • tst_QSystemTrayIcon
3
199 }-
200-
201 return false;
never executed: return false;
0
202}-
203-
204QT_END_NAMESPACE-
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