qxcbsystemtraytracker.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
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38****************************************************************************/-
39-
40#include "qxcbsystemtraytracker.h"-
41#include "qxcbconnection.h"-
42#include "qxcbscreen.h"-
43-
44#include <QtCore/QDebug>-
45#include <QtCore/QRect>-
46#include <QtGui/QScreen>-
47-
48#include <qpa/qplatformnativeinterface.h>-
49-
50QT_BEGIN_NAMESPACE-
51-
52enum {-
53 SystemTrayRequestDock = 0,-
54 SystemTrayBeginMessage = 1,-
55 SystemTrayCancelMessage = 2-
56};-
57-
58// QXcbSystemTrayTracker provides API for accessing the tray window and tracks-
59// its lifecyle by listening for its destruction and recreation.-
60// See http://standards.freedesktop.org/systemtray-spec/systemtray-spec-latest.html-
61-
62QXcbSystemTrayTracker *QXcbSystemTrayTracker::create(QXcbConnection *connection)-
63{-
64 // Selection, tray atoms for GNOME, NET WM Specification-
65 const xcb_atom_t trayAtom = connection->atom(QXcbAtom::_NET_SYSTEM_TRAY_OPCODE);-
66 if (!trayAtom)
!trayAtomDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-1
67 return 0;
never executed: return 0;
0
68 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
69 const xcb_atom_t selection = connection->internAtom(netSysTray.constData());-
70 if (!selection)
!selectionDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-1
71 return 0;
never executed: return 0;
0
72-
73 return new QXcbSystemTrayTracker(connection, trayAtom, selection);
executed 1 time by 1 test: return new QXcbSystemTrayTracker(connection, trayAtom, selection);
Executed by:
  • tst_QSystemTrayIcon
1
74}-
75-
76QXcbSystemTrayTracker::QXcbSystemTrayTracker(QXcbConnection *connection,-
77 xcb_atom_t trayAtom,-
78 xcb_atom_t selection)-
79 : QObject(connection)-
80 , m_selection(selection)-
81 , m_trayAtom(trayAtom)-
82 , m_connection(connection)-
83 , m_trayWindow(0)-
84{-
85}
executed 1 time by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
1
86-
87xcb_window_t QXcbSystemTrayTracker::locateTrayWindow(const QXcbConnection *connection, xcb_atom_t selection)-
88{-
89 xcb_get_selection_owner_cookie_t cookie = xcb_get_selection_owner(connection->xcb_connection(), selection);-
90 xcb_get_selection_owner_reply_t *reply = xcb_get_selection_owner_reply(connection->xcb_connection(), cookie, 0);-
91 if (!reply)
!replyDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-1
92 return 0;
never executed: return 0;
0
93 const xcb_window_t result = reply->owner;-
94 free(reply);-
95 return result;
executed 1 time by 1 test: return result;
Executed by:
  • tst_QSystemTrayIcon
1
96}-
97-
98// API for QPlatformNativeInterface/QPlatformSystemTrayIcon: Request a window-
99// to be docked on the tray.-
100void QXcbSystemTrayTracker::requestSystemTrayWindowDock(xcb_window_t window) const-
101{-
102 xcb_client_message_event_t trayRequest;-
103 trayRequest.response_type = XCB_CLIENT_MESSAGE;-
104 trayRequest.format = 32;-
105 trayRequest.sequence = 0;-
106 trayRequest.window = m_trayWindow;-
107 trayRequest.type = m_trayAtom;-
108 trayRequest.data.data32[0] = XCB_CURRENT_TIME;-
109 trayRequest.data.data32[1] = SystemTrayRequestDock;-
110 trayRequest.data.data32[2] = window;-
111 xcb_send_event(m_connection->xcb_connection(), 0, m_trayWindow, XCB_EVENT_MASK_NO_EVENT, (const char *)&trayRequest);-
112}
executed 3 times by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
3
113-
114// API for QPlatformNativeInterface/QPlatformSystemTrayIcon: Return tray window.-
115xcb_window_t QXcbSystemTrayTracker::trayWindow()-
116{-
117 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
118 m_trayWindow = QXcbSystemTrayTracker::locateTrayWindow(m_connection, m_selection);-
119 if (m_trayWindow) { // Listen for DestroyNotify on tray.
m_trayWindowDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
FALSEnever evaluated
0-1
120 m_connection->addWindowEventListener(m_trayWindow, this);-
121 const quint32 mask = XCB_CW_EVENT_MASK;-
122 const quint32 value = XCB_EVENT_MASK_STRUCTURE_NOTIFY;-
123 Q_XCB_CALL2(xcb_change_window_attributes(m_connection->xcb_connection(), m_trayWindow, mask, &value), m_connection);-
124 }
executed 1 time by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
1
125 }
executed 1 time by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
1
126 return m_trayWindow;
executed 6 times by 1 test: return m_trayWindow;
Executed by:
  • tst_QSystemTrayIcon
6
127}-
128-
129// API for QPlatformNativeInterface/QPlatformSystemTrayIcon: Return the geometry of a-
130// a window parented on the tray. Determines the global geometry via XCB since mapToGlobal-
131// does not work for the QWindow parented on the tray.-
132QRect QXcbSystemTrayTracker::systemTrayWindowGlobalGeometry(xcb_window_t window) const-
133{-
134-
135 xcb_connection_t *conn = m_connection->xcb_connection();-
136 xcb_get_geometry_reply_t *geomReply =-
137 xcb_get_geometry_reply(conn, xcb_get_geometry(conn, window), 0);-
138 if (!geomReply)
!geomReplyDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-4
139 return QRect();
never executed: return QRect();
0
140-
141 xcb_translate_coordinates_reply_t *translateReply =-
142 xcb_translate_coordinates_reply(conn, xcb_translate_coordinates(conn, window, m_connection->rootWindow(), 0, 0), 0);-
143 if (!translateReply) {
!translateReplyDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-4
144 free(geomReply);-
145 return QRect();
never executed: return QRect();
0
146 }-
147-
148 const QRect result(QPoint(translateReply->dst_x, translateReply->dst_y), QSize(geomReply->width, geomReply->height));-
149 free(translateReply);-
150 return result;
executed 4 times by 1 test: return result;
Executed by:
  • tst_QSystemTrayIcon
4
151}-
152-
153inline void QXcbSystemTrayTracker::emitSystemTrayWindowChanged()-
154{-
155 if (const QPlatformScreen *ps = m_connection->primaryScreen())
const QPlatfor...rimaryScreen()Description
TRUEnever evaluated
FALSEnever evaluated
0
156 emit systemTrayWindowChanged(ps->screen());
never executed: systemTrayWindowChanged(ps->screen());
0
157}
never executed: end of block
0
158-
159// Client messages with the "MANAGER" atom on the root window indicate creation of a new tray.-
160void QXcbSystemTrayTracker::notifyManagerClientMessageEvent(const xcb_client_message_event_t *t)-
161{-
162 if (t->data.data32[1] == m_selection)
t->data.data32...== m_selectionDescription
TRUEnever evaluated
FALSEnever evaluated
0
163 emitSystemTrayWindowChanged();
never executed: emitSystemTrayWindowChanged();
0
164}
never executed: end of block
0
165-
166// Listen for destruction of the tray.-
167void QXcbSystemTrayTracker::handleDestroyNotifyEvent(const xcb_destroy_notify_event_t *event)-
168{-
169 if (event->window == m_trayWindow) {
event->window == m_trayWindowDescription
TRUEnever evaluated
FALSEnever evaluated
0
170 m_connection->removeWindowEventListener(m_trayWindow);-
171 m_trayWindow = XCB_WINDOW_NONE;-
172 emitSystemTrayWindowChanged();-
173 }
never executed: end of block
0
174}
never executed: end of block
0
175-
176bool QXcbSystemTrayTracker::visualHasAlphaChannel()-
177{-
178 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
179 return false;
never executed: return false;
0
180-
181 xcb_atom_t tray_atom = m_connection->atom(QXcbAtom::_NET_SYSTEM_TRAY_VISUAL);-
182-
183 // Get the xcb property for the _NET_SYSTEM_TRAY_VISUAL atom-
184 xcb_get_property_cookie_t systray_atom_cookie;-
185 xcb_get_property_reply_t *systray_atom_reply;-
186-
187 systray_atom_cookie = xcb_get_property_unchecked(m_connection->xcb_connection(), false, m_trayWindow,-
188 tray_atom, XCB_ATOM_VISUALID, 0, 1);-
189 systray_atom_reply = xcb_get_property_reply(m_connection->xcb_connection(), systray_atom_cookie, 0);-
190-
191 if (!systray_atom_reply)
!systray_atom_replyDescription
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
0-3
192 return false;
never executed: return false;
0
193-
194 xcb_visualid_t systrayVisualId = XCB_NONE;-
195 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
196 xcb_visualid_t * vids = (uint32_t *)xcb_get_property_value(systray_atom_reply);-
197 systrayVisualId = vids[0];-
198 }
executed 3 times by 1 test: end of block
Executed by:
  • tst_QSystemTrayIcon
3
199-
200 free(systray_atom_reply);-
201-
202 if (systrayVisualId != XCB_NONE) {
systrayVisualId != 0LDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • tst_QSystemTrayIcon
FALSEnever evaluated
0-3
203 quint8 depth = m_connection->primaryScreen()->depthOfVisual(systrayVisualId);-
204 return depth == 32;
executed 3 times by 1 test: return depth == 32;
Executed by:
  • tst_QSystemTrayIcon
3
205 }-
206-
207 return false;
never executed: return false;
0
208}-
209-
210QT_END_NAMESPACE-
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