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//===========================================
// Lumina-DE source code
// Copyright (c) 2012, 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
// session->XCB->EWMH.(atom name)
// session->XCB->(do something)
#include <LuminaX11.h>
#include <QDebug>
XCBEventFilter::XCBEventFilter(LSession *sessionhandle) : QAbstractNativeEventFilter(){
session = sessionhandle; //save this for interaction with the session later
TrayDmgFlag = 0;
stopping = false;
InitAtoms();
}
void XCBEventFilter::setTrayDamageFlag(int flag){
//Special flag for system tray damage events
TrayDmgFlag = flag + XCB_DAMAGE_NOTIFY; //save the whole flag (no calculations later)
}
//This function format taken directly from the Qt5.3 documentation
bool XCBEventFilter::nativeEventFilter(const QByteArray &eventType, void *message, long *){
if(stopping){ return false; } //don't do any parsing
//qDebug() << "New Event";
if(eventType=="xcb_generic_event_t"){
//qDebug() << " - XCB event";
//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_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 false; //make sure the handling keeps going (transparent watching of events)
}
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