1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
//===========================================
// Lumina-DE source code
// Copyright (c) 2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "LXcbEventFilter.h"
//For all the XCB interactions and atoms
// is accessed via
// XCB->EWMH.(atom name)
// XCB->(do something)
#include <LuminaX11.h>
#include <QDebug>
//#include <xcb/screensaver.h>
// Also keep the root window/screen around for use in the filters
namespace L_XCB{
xcb_screen_t *root_screen;
xcb_window_t root;
}
//Constructor for the Event Filter wrapper
EventFilter::EventFilter() : QObject(){
EF = new XCBEventFilter(this);
L_XCB::root_screen = xcb_aux_get_screen(QX11Info::connection(), QX11Info::appScreen());
L_XCB::root = L_XCB::root_screen->root;
}
void EventFilter::start(){
QCoreApplication::instance()->installNativeEventFilter(EF);
xcb_generic_error_t *status;
xcb_connection_t *my_connection;
xcb_void_cookie_t window_attributes;
const unsigned int *returned;
//Also ensure it gets root window events
//Need the "real" root window (not the virtual root which Qt might return
my_connection = QX11Info::connection();
returned = (uint32_t *) ROOT_EVENT_MASK;
window_attributes = xcb_change_window_attributes_checked(my_connection, L_XCB::root, XCB_CW_EVENT_MASK, returned);
status = xcb_request_check(my_connection, window_attributes);
// if( 0!= xcb_request_check( QX11Info::connection(), xcb_change_window_attributes_checked(QX11Info::connection(), L_XCB::root, XCB_CW_EVENT_MASK, (uint32_t[]){ROOT_EVENT_MASK} ) ) ){
if (status)
{
qCritical() << "[ERROR] Unable to setup WM event retrieval. Is another WM running?";
exit(1);
}
//xcb_screensaver_select_input(QX11Info::connection(),QX11Info::appRootWindow() , masks);
xcb_flush(QX11Info::connection());
}
//Constructor for the XCB event filter
XCBEventFilter::XCBEventFilter(EventFilter *parent) : QAbstractNativeEventFilter(){
obj = parent;
InitAtoms();
}
//This function format taken directly from the Qt5.3 documentation
bool XCBEventFilter::nativeEventFilter(const QByteArray &eventType, void *message, long *) Q_DECL_OVERRIDE
{
//if(stopping){ return false; } //don't do any parsing
//qDebug() << "New Event";
bool stopevent = false;
if(eventType=="xcb_generic_event_t"){
//Convert to known event type (for X11 systems)
xcb_generic_event_t *ev = static_cast<xcb_generic_event_t *>(message);
//Now parse the event and emit signals as necessary
switch( ev->response_type & ~0x80){
//==============================
case XCB_KEY_PRESS:
qDebug() << "Key Press Event";
obj->emit NewInputEvent();
break;
case XCB_KEY_RELEASE:
qDebug() << "Key Release Event";
obj->emit NewInputEvent();
break;
case XCB_BUTTON_PRESS:
qDebug() << "Button Press Event";
obj->emit NewInputEvent();
break;
case XCB_BUTTON_RELEASE:
qDebug() << "Button Release Event";
obj->emit NewInputEvent();
break;
case XCB_MOTION_NOTIFY:
qDebug() << "Motion Notify Event";
obj->emit NewInputEvent();
break;
//==============================
case XCB_PROPERTY_NOTIFY:
qDebug() << "Property Notify Event:";
//qDebug() << " - Root Window:" << QX11Info::appRootWindow();
//qDebug() << " - Given Window:" << ((xcb_property_notify_event_t*)ev)->window;
//System-specific proprty change
if( SysNotifyAtoms.contains( ((xcb_property_notify_event_t*)ev)->atom ) ){
//Update the status/list of all running windows
//session->WindowPropertyEvent();
//window-specific property change
}else if( WinNotifyAtoms.contains( ((xcb_property_notify_event_t*)ev)->atom ) ){
//Ping only that window
//session->WindowPropertyEvent( ((xcb_property_notify_event_t*)ev)->window );
//session->WindowPropertyEvent();
}
break;
//==============================
case XCB_CLIENT_MESSAGE:
qDebug() << "Client Message Event";
//qDebug() << " - Root Window:" << QX11Info::appRootWindow();
//qDebug() << " - Given Window:" << ((xcb_client_message_event_t*)ev)->window;
//if( TrayDmgFlag!=0 && ((xcb_client_message_event_t*)ev)->type == _NET_SYSTEM_TRAY_OPCODE && ((xcb_client_message_event_t*)ev)->format == 32){
//data32[0] is timestamp, [1] is opcode, [2] is window handle
//if(SYSTEM_TRAY_REQUEST_DOCK == ((xcb_client_message_event_t*)ev)->data.data32[1]){
//session->SysTrayDockRequest( ((xcb_client_message_event_t*)ev)->data.data32[2] );
//}
//Ignore the System Tray messages at the moment (let the WM handle it)
//window-specific property changes
/*}else if( ((xcb_client_message_event_t*)ev)->type == session->XCB->EWMH._NET_WM_STATE ){
if( session->XCB->WindowIsMaximized( ((xcb_client_message_event_t*)ev)->window ) ){
//Quick fix for maximized windows (since Fluxbox is not doing the STRUT detection properly)
session->adjustWindowGeom( ((xcb_client_message_event_t*)ev)->window );
}
session->WindowPropertyEvent( ((xcb_client_message_event_t*)ev)->window );*/
//}else if( WinNotifyAtoms.contains( ((xcb_client_message_event_t*)ev)->type ) ){
//Ping only that window
//session->WindowPropertyEvent( ((xcb_client_message_event_t*)ev)->window );
//session->WindowPropertyEvent();
//}
break;
//==============================
case XCB_DESTROY_NOTIFY:
qDebug() << "Window Closed Event";
//session->WindowClosedEvent( ( (xcb_destroy_notify_event_t*)ev )->window );
break;
//==============================
case XCB_CONFIGURE_NOTIFY:
qDebug() << "Configure Notify Event";
//session->WindowConfigureEvent( ((xcb_configure_notify_event_t*)ev)->window );
break;
//==============================
case XCB_SELECTION_CLEAR:
qDebug() << "Selection Clear Event";
//session->WindowSelectionClearEvent( ((xcb_selection_clear_event_t*)ev)->owner );
break;
//==============================
default:
//if(TrayDmgFlag!=0){
//if( (ev->response_type & ~0x80)==TrayDmgFlag){
//session->WindowDamageEvent( ((xcb_damage_notify_event_t*)ev)->drawable );
//}
//}
//else{
qDebug() << "Default Event:" << (ev->response_type & ~0x80);
//}
//==============================
}
}
//qDebug() << " - finished event";
return stopevent;
}
|
