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|
//===========================================
// Lumina-DE source code
// Copyright (c) 2014, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "LuminaX11.h"
#include <QString>
#include <QByteArray>
#include <QFile>
#include <QObject>
#include <QImage>
#include <QApplication>
#include <QDesktopWidget>
//X includes (these need to be last due to Qt compile issues)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrender.h>
#include <X11/extensions/Xcomposite.h>
//XCB Library includes
#include <xcb/xcb.h>
#include <xcb/xcb_atom.h>
#include <xcb/xproto.h>
#include <xcb/xcb_ewmh.h>
#include <xcb/xcb_icccm.h>
#include <xcb/xcb_image.h>
#include <xcb/composite.h>
#include <xcb/damage.h>
#define DEBUG 0
//===== WindowList() ========
QList<WId> LX11::WindowList(){
QList<WId> output;
output << LX11::GetClientList();
//Validate windows
int desk = LX11::GetCurrentDesktop();
for(int i=0; i<output.length(); i++){
bool remove=false;
QString name = LX11::WindowClass(output[i]);
if(output[i] == 0){ remove=true; }
else if( desk >= 0 && LX11::WindowDesktop(output[i]) != desk){ remove = true; }
else if( name=="Lumina Desktop Environment" ){ remove = true; }
else if(name.startsWith("Lumina-")){
//qDebug() << "Lumina Window:" << name << LX11::WindowName(output[i]);
if(LX11::WindowName(output[i]).toLower()==name.toLower() ){ remove=true; }
}
/*else if( name.isEmpty() ){
qDebug() << "Abnormal Window:" << output[i];
qDebug() << " - Class:" << name;
qDebug() << " - Text:" << LX11::WindowName(output[i]);
qDebug() << " - Visible Name:" << LX11::WindowVisibleName(output[i]);
qDebug() << " - Icon Name:" << LX11::WindowIconName(output[i]);
}*/
if(remove){
//qDebug() << "Skip Window:" << output[i];
output.removeAt(i);
i--;
}
}
//qDebug() << output;
//Return the list
return output;
}
// ===== GetClientList() =====
QList<WId> LX11::GetClientList(){
QList<WId> output;
//XCB Library
/*qDebug() << "Get Client list cookie";
xcb_get_property_cookie_t cookie = xcb_ewmh_get_client_list_unchecked( LX11::EWMH_C(), 0);
xcb_ewmh_get_windows_reply_t winlist;
qDebug() << "Get client list";
if( xcb_ewmh_get_client_list_reply( LX11::EWMH_C(), cookie, &winlist, NULL) ){
qDebug() << " - Loop over items";
for(unsigned int i=0; i<winlist.windows_len; i++){ output << winlist.windows[i]; }
}*/
//XLib
Atom a = XInternAtom(QX11Info::display(), "_NET_CLIENT_LIST", true);
Atom realType;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty(QX11Info::display(), QX11Info::appRootWindow(), a, 0L, (~0L),
false, AnyPropertyType, &realType, &format, &num, &bytes, &data);
if( (status >= Success) && (num > 0) ){
Window* array = (Window*) data;
for(unsigned int i=0; i<num; i++){
output << array[i];
}
XFree(data);
}
return output;
}
// ===== GetClientStackingList() =====
QList<WId> LX11::GetClientStackingList(){
QList<WId> output;
Atom a = XInternAtom(QX11Info::display(), "_NET_CLIENT_LIST_STACKING", true);
Atom realType;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty(QX11Info::display(), QX11Info::appRootWindow(), a, 0L, (~0L),
false, AnyPropertyType, &realType, &format, &num, &bytes, &data);
if( (status >= Success) && (num > 0) ){
Window* array = (Window*) data;
for(unsigned int i=0; i<num; i++){
output << array[i];
}
XFree(data);
}
return output;
}
// ===== findChildren() =====
QList<WId> LX11::findChildren(WId parent, int levels){
Window rootR, parentR;
Window *childrenR;
unsigned int num;
int stat = XQueryTree(QX11Info::display(), parent, &rootR, &parentR, &childrenR, &num);
QList<WId> output;
if(stat != 0 && num > 0){
for(int i=0; i<int(num); i++){
output << childrenR[i];
if(levels > 0){
output << LX11::findChildren(childrenR[i], levels-1); //call this recursively
}
}
XFree(childrenR);
}
return output;
}
// ===== ActiveWindow() =====
WId LX11::ActiveWindow(){
Display *disp = QX11Info::display();
Atom SA = XInternAtom(disp, "_NET_ACTIVE_WINDOW", false);
Atom type;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty( disp, QX11Info::appRootWindow() , SA, 0, ~(0L), false, AnyPropertyType,
&type, &format, &num, &bytes, &data);
WId window=0;
if(status >= Success && data){
Window *array = (Window*) data;
window = array[0];
XFree(data);
}
return window;
}
// ===== SetNumberOfDesktops() =====
void LX11::SetNumberOfDesktops(int number){
//XCB Library
//XLib
Display *display = QX11Info::display();
Window rootWindow = QX11Info::appRootWindow();
Atom atom = XInternAtom(display, "_NET_NUMBER_OF_DESKTOPS", False);
XEvent xevent;
xevent.type = ClientMessage;
xevent.xclient.type = ClientMessage;
xevent.xclient.display = display;
xevent.xclient.window = rootWindow;
xevent.xclient.message_type = atom;
xevent.xclient.format = 32;
xevent.xclient.data.l[0] = number;
xevent.xclient.data.l[1] = CurrentTime;
xevent.xclient.data.l[2] = 0;
xevent.xclient.data.l[3] = 0;
xevent.xclient.data.l[4] = 0;
XSendEvent(display, rootWindow, False, SubstructureNotifyMask | SubstructureRedirectMask, &xevent);
XFlush(display);
}
// ===== SetCurrentDesktop() =====
void LX11::SetCurrentDesktop(int number){
Display *display = QX11Info::display();
Window rootWindow = QX11Info::appRootWindow();
Atom atom = XInternAtom(display, "_NET_CURRENT_DESKTOP", False);
XEvent xevent;
xevent.type = ClientMessage;
xevent.xclient.type = ClientMessage;
xevent.xclient.display = display;
xevent.xclient.window = rootWindow;
xevent.xclient.message_type = atom;
xevent.xclient.format = 32;
xevent.xclient.data.l[0] = number;
xevent.xclient.data.l[1] = CurrentTime;
xevent.xclient.data.l[2] = 0;
xevent.xclient.data.l[3] = 0;
xevent.xclient.data.l[4] = 0;
XSendEvent(display, rootWindow, False, SubstructureNotifyMask | SubstructureRedirectMask, &xevent);
XFlush(display);
}
// ===== GetNumberOfDesktops() =====
int LX11::GetNumberOfDesktops(){
int number = -1;
Atom a = XInternAtom(QX11Info::display(), "_NET_NUMBER_OF_DESKTOPS", true);
Atom realType;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty(QX11Info::display(), QX11Info::appRootWindow(), a, 0L, (~0L),
false, AnyPropertyType, &realType, &format, &num, &bytes, &data);
if( (status >= Success) && (num > 0) ){
number = *data;
XFree(data);
}
return number;
}
// ===== GetCurrentDesktop =====
int LX11::GetCurrentDesktop(){
int number = -1;
Atom a = XInternAtom(QX11Info::display(), "_NET_CURRENT_DESKTOP", true);
Atom realType;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty(QX11Info::display(), QX11Info::appRootWindow(), a, 0L, (~0L),
false, AnyPropertyType, &realType, &format, &num, &bytes, &data);
if( (status >= Success) && (num > 0) ){
number = data[0];
XFree(data);
}
return number;
}
// ===== ValidWindowEvent() =====
/*bool LX11::ValidWindowEvent(Atom evAtom){
if(evAtom == XInternAtom(QX11Info::display(),"_NET_CLIENT_LIST",false) ){ return true; }
else if( evAtom == XInternAtom(QX11Info::display(),"_NET_ACTIVE_WINDOW",false) ){ return true; }
else if( evAtom == XInternAtom(QX11Info::display(),"_NET_WM_NAME",false) ){ return true; }
else if( evAtom == XInternAtom(QX11Info::display(),"_NET_WM_VISIBLE_NAME",false) ){ return true; }
else if( evAtom == XInternAtom(QX11Info::display(),"_NET_WM_ICON_NAME",false) ){ return true; }
else if( evAtom == XInternAtom(QX11Info::display(),"_NET_WM_VISIBLE_ICON_NAME",false) ){ return true; }
else{ return false; }
}*/
// ===== CloseWindow() =====
void LX11::CloseWindow(WId win){
Display *display = QX11Info::display();
Window rootWindow = QX11Info::appRootWindow();
Atom atom = XInternAtom(display, "_NET_CLOSE_WINDOW", False);
XEvent xevent;
xevent.type = ClientMessage;
xevent.xclient.type = ClientMessage;
xevent.xclient.display = display;
xevent.xclient.window = win;
xevent.xclient.message_type = atom;
xevent.xclient.format = 32;
xevent.xclient.data.l[0] = CurrentTime;
xevent.xclient.data.l[1] = 2;
xevent.xclient.data.l[2] = 0;
xevent.xclient.data.l[3] = 0;
xevent.xclient.data.l[4] = 0;
XSendEvent(display, rootWindow, False, SubstructureNotifyMask | SubstructureRedirectMask, &xevent);
XFlush(display);
}
void LX11::KillWindow(WId win){
XKillClient(QX11Info::display(),win);
}
// ===== IconifyWindow() =====
void LX11::IconifyWindow(WId win){
XIconifyWindow(QX11Info::display(), win, QX11Info::appScreen());
}
// ===== RestoreWindow() =====
void LX11::RestoreWindow(WId win){
//XCB Library
uint32_t val = XCB_STACK_MODE_ABOVE;
xcb_configure_window(QX11Info::connection(), win, XCB_CONFIG_WINDOW_STACK_MODE, &val); //raise it
xcb_map_window(QX11Info::connection(), win); //map it
//XLib
//Display *disp = QX11Info::display();
//XMapRaised(disp, win); //make it visible again and raise it to the top
}
// ===== ActivateWindow() =====
void LX11::ActivateWindow(WId win){
Display *display = QX11Info::display();
Window rootWindow = QX11Info::appRootWindow();
Atom atom = XInternAtom(display, "_NET_ACTIVE_WINDOW", False);
XEvent xevent;
xevent.type = ClientMessage;
xevent.xclient.type = ClientMessage;
xevent.xclient.display = display;
xevent.xclient.window = win;
xevent.xclient.message_type = atom;
xevent.xclient.format = 32;
xevent.xclient.data.l[0] = 2;
xevent.xclient.data.l[1] = CurrentTime;
xevent.xclient.data.l[2] = LX11::ActiveWindow();
xevent.xclient.data.l[3] = 0;
xevent.xclient.data.l[4] = 0;
XSendEvent(display, rootWindow, False, SubstructureNotifyMask | SubstructureRedirectMask, &xevent);
XFlush(display);
}
// ===== ReservePanelLocation() =====
void LX11::ReservePanelLocation(WId win, int xstart, int ystart, int width, int height, QString loc){
unsigned long strut[12];
for(int i=0; i<12; i++){ strut[i] = 0; } //initialize it to all zeros
if(loc=="top"){
//top of screen
strut[2] = height; //top width
strut[8] = xstart; //top x start
strut[9] = xstart+width; //top x end
}else if(loc=="bottom"){
//bottom of screen
strut[3] = height; //bottom width
strut[10] = xstart; //bottom x start
strut[11] = xstart+width; //bottom x end
}else if(loc=="left"){
strut[0] = width;
strut[4]=ystart;
strut[5]=ystart+height;
}else{ //right
strut[1] = width;
strut[6]=ystart;
strut[7]=ystart+height;
}
Display *disp = QX11Info::display();
Atom WTYPE = XInternAtom(disp, "_NET_WM_STRUT_PARTIAL", false);
XChangeProperty( disp, win, WTYPE, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) strut, 12);
//Also set the _NET_WM_STRUT property, just in case the WM does not use the newer type
WTYPE = XInternAtom(disp, "_NET_WM_STRUT", false);
XChangeProperty( disp, win, WTYPE, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) strut, 4);
}
// ===== SetAsSticky() =====
void LX11::SetAsSticky(WId win){
//make this window "stick" to all virtual desktops
//XCB Library
// xcb_change_property(QX11Info::connection(), XCB_PROP_MODE_APPEND, win, _NET_WM_STATE, XCB_ATOM, 32, 1, _NET_WM_STATE_STICKY);
//XLib
Display *disp = QX11Info::display();
Atom stick = XInternAtom(disp, "_NET_WM_STATE_STICKY",false);
Atom state = XInternAtom(disp, "_NET_WM_STATE", false);
XChangeProperty(disp, win, state, XA_ATOM, 32, PropModeAppend, (unsigned char*) &stick, 1L);
}
// ===== SetAsPanel() =====
void LX11::SetAsPanel(WId win){
//Set this window as the "Dock" type (for showing on top of everthing else)
long data[1];
Display *disp = QX11Info::display();
Atom WTYPE = XInternAtom(disp, "_NET_WM_WINDOW_TYPE", false);
Atom DOCK = XInternAtom(disp, "_NET_WM_WINDOW_TYPE_DOCK",false);
data[0] = DOCK;
XChangeProperty( disp, win, WTYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &data, 1L);
}
// ===== SetAsDesktop() =====
void LX11::SetAsDesktop(WId win){
//Set this window as the "Desktop" type (for showing below everthing else)
long data[1];
Display *disp = QX11Info::display();
Atom WTYPE = XInternAtom(disp, "_NET_WM_WINDOW_TYPE", false);
Atom DOCK = XInternAtom(disp, "_NET_WM_WINDOW_TYPE_DESKTOP",false);
data[0] = DOCK;
XChangeProperty( disp, win, WTYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &data, 1L);
}
// ===== MoveResizeWindow() =====
void LX11::MoveResizeWindow(WId win, QRect rect){
//Note: rect needs to be in global coordinates!!
XMoveResizeWindow(QX11Info::display(), win, rect.x(), rect.y(), rect.width(), rect.height());
}
// ===== ResizeWindow() =====
void LX11::ResizeWindow(WId win, int width, int height){
XResizeWindow(QX11Info::display(), win, width, height);
}
// ===== CreateWindow() =====
WId LX11::CreateWindow(WId parent, QRect rect){
if(parent==0){ parent = QX11Info::appRootWindow(); }
XWindowAttributes patt;
XSetWindowAttributes att;
att.background_pixel=0;
att.border_pixel=0;
//Try to set the same attributes as the parent
if( ! XGetWindowAttributes(QX11Info::display(), parent, &patt) ){
//Use some simple defaults instead
att.colormap = None;
}else{
att.colormap = patt.colormap;
}
return XCreateWindow( QX11Info::display(), parent, rect.x(), rect.y(), rect.width(), rect.height(), 0,
CopyFromParent, InputOutput, CopyFromParent, CWColormap|CWBackPixel|CWBorderPixel, &att);
}
// ===== DestroyWindow() =====
void LX11::DestroyWindow(WId win){
XDestroyWindow( QX11Info::display(), win);
}
// ===== EmbedWindow() =====
bool LX11::EmbedWindow(WId win, WId container){
Display *disp = QX11Info::display();
if(win==0 || container==0){ return false; }
//Reparent the window
//XCompositeRedirectSubwindows(disp, container, CompositeRedirectAutomatic); //container/window should be aware of each other
//qDebug() << "Embed Window:" << win << container;
XReparentWindow(disp, win, container,0,0);
XSync(disp, false);
//Map the window
XMapRaised(disp, win); //make it visible again and raise it to the top
//Check that the window has _XEMBED_INFO
//qDebug() << " - check for _XEMBED_INFO";
Atom embinfo = XInternAtom(disp, "_XEMBED_INFO",false);
uchar *data=0;
ulong num, bytes;
int fmt;
Atom junk;
if(Success != XGetWindowProperty(disp, win, embinfo, 0, 2, false, embinfo, &junk, &fmt, &num, &bytes, &data) ){
return false; //Embedding error (no info?)
}
if(data){ XFree(data); } // clean up any data found
//Now send the embed event to the app
//qDebug() << " - send _XEMBED event";
XEvent ev;
ev.xclient.type=ClientMessage;
ev.xclient.serial=0;
ev.xclient.send_event=true;
ev.xclient.message_type = XInternAtom(disp, "_XEMBED", false);
ev.xclient.window = win;
ev.xclient.format = 32;
ev.xclient.data.l[0] = CurrentTime;
ev.xclient.data.l[1] = 0; //XEMBED_EMBEDDED_NOTIFY
ev.xclient.data.l[2] = 0;
ev.xclient.data.l[3] = container;
ev.xclient.data.l[4] = 0;
XSendEvent(disp, win, false, 0xFFFFFF, &ev);
//Now setup any redirects and return
//qDebug() << " - select Input";
XSelectInput(disp, win, StructureNotifyMask); //Notify of structure changes
//qDebug() << " - Composite Redirect";
XCompositeRedirectWindow(disp, win, CompositeRedirectManual);
//qDebug() << " - Done";
return true;
}
// ===== UnembedWindow() =====
bool LX11::UnembedWindow(WId win){
Display *disp = QX11Info::display();
//Remove redirects
XSelectInput(disp, win, NoEventMask);
//Make sure it is invisible
XUnmapWindow(disp, win);
//Reparent the window back to the root window
XReparentWindow(disp, win, QX11Info::appRootWindow(),0,0);
XSync(disp, false);
return true;
}
// ===== WindowClass() =====
QString LX11::WindowClass(WId win){
XClassHint hint;
QString clss;
if(0 != XGetClassHint(QX11Info::display(), win, &hint) ){
clss = QString(hint.res_class); //class is often capitalized properly, while name is not
XFree(hint.res_name);
XFree(hint.res_class);
}
return clss;
}
// ===== WindowName() =====
QString LX11::WindowName(WId win){
QString nm = LX11::getNetWMProp(win, "_NET_WM_NAME");
if(nm.isEmpty()){
char *txt;
if( XFetchName(QX11Info::display(), win, &txt) != 0){
nm = QString(txt);
}
XFree(txt);
}
return nm;
}
// ===== WindowVisibleName() =====
QString LX11::WindowVisibleName(WId win){
return LX11::getNetWMProp(win, "_NET_WM_VISIBLE_NAME");
}
// ===== WindowIconName() =====
QString LX11::WindowIconName(WId win){
return LX11::getNetWMProp(win, "_NET_WM_ICON_NAME");
}
// ===== WindowVisibleIconName() =====
QString LX11::WindowVisibleIconName(WId win){
return LX11::getNetWMProp(win, "_NET_WM_VISIBLE_ICON_NAME");
}
// ===== WindowIcon() =====
/*QIcon LX11::WindowIcon(WId win){
//Use the _NET_WM_ICON value instead of the WMHints pixmaps
// - the pixmaps are very unstable and erratic
QIcon icon;
Display *disp = QX11Info::display();
Atom type;
Atom SA = XInternAtom(disp, "_NET_WM_ICON", false);
int format;
unsigned long num, bytes;
unsigned long *data = 0;
XGetWindowProperty( disp, win, SA, 0, LONG_MAX, False, AnyPropertyType,
&type, &format, &num, &bytes, (uchar**)&data);
if(data != 0){
//qDebug() << "Icon Data Found:" << win;
ulong* dat = data;
while(dat < data+num){ //consider the fact that there may be multiple graphical layers
//Now convert it into a Qt image
// - first 2 elements are width and height
// - data in rows from left to right and top to bottom
QImage image(dat[0], dat[1], QImage::Format_ARGB32); //initial setup
dat+=2; //remember the first 2 element offset
for(int i=0; i<image.byteCount()/4; ++i, ++dat){
((uint*)image.bits())[i] = *dat;
}
icon.addPixmap(QPixmap::fromImage(image)); //layer this pixmap onto the icon
}
XFree(data);
}
return icon;
}*/
// ===== WindowImage() =====
/*QPixmap LX11::WindowImage(WId win, bool useleader){
QPixmap pix;
Display *disp = QX11Info::display();
WId leader = LX11::leaderWindow(win); //check for an alternate window that contains the image
if(leader!=0 && useleader){ win = leader; } //use the leader window instead
//First get the size of the window image (embedded in the window attributes)
XWindowAttributes att;
if( 0 == XGetWindowAttributes(disp, win, &att) ){ return pix; } //invalid window attributes
//Now extract the image
XImage *xim = XGetImage(disp, win, 0,0, att.width, att.height, AllPlanes, ZPixmap);
if(xim!=0){
//Convert the X image to a Qt Image
pix.convertFromImage( QImage( (const uchar*) xim->data, xim->width, xim->height, xim->bytes_per_line, QImage::Format_ARGB32_Premultiplied) );
XDestroyImage(xim); //clean up
}
//Return the pixmap
return pix;
}*/
// ===== GetNumberOfDesktops() =====
int LX11::WindowDesktop(WId win){
int number = -1;
Atom a = XInternAtom(QX11Info::display(), "_NET_WM_DESKTOP", true);
Atom realType;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty(QX11Info::display(), win, a, 0L, (~0L),
false, AnyPropertyType, &realType, &format, &num, &bytes, &data);
if( (status >= Success) && (num > 0) ){
number = *data;
XFree(data);
}
return number;
}
// ===== GetWindowState() =====
LX11::WINDOWSTATE LX11::GetWindowState(WId win){
LX11::WINDOWSTATE state = LX11::VISIBLE;
//XCB Library (TO DO)
//XLib
Display *disp = QX11Info::display();
Atom SA = XInternAtom(disp, "_NET_WM_STATE", true);
Atom ATTENTION = XInternAtom(disp, "_NET_WM_STATE_DEMANDS_ATTENTION", false);
Atom SKIPP = XInternAtom(disp, "_NET_WM_STATE_SKIP_PAGER", false);
Atom HIDDEN = XInternAtom(disp, "_NET_WM_STATE_HIDDEN", false);
Atom SKIPT = XInternAtom(disp, "_NET_WM_STATE_SKIP_TASKBAR", false);
//Atom MODAL = XInternAtom(disp, "_NET_WM_STATE_MODAL", false);
Atom type;
int format;
unsigned long num, bytes;
unsigned long *data = 0;
int status = XGetWindowProperty( disp, win, SA, 0, ~(0L), false, AnyPropertyType,
&type, &format, &num, &bytes, (unsigned char**) &data);
if(status >= Success && data){
for(unsigned int i=0; i<num; i++){
if(data[i] == SKIPP || data[i]==SKIPT){
state = LX11::IGNORE;
//qDebug() << "Ignore Window:" << win;
break;
}else if(data[i]==HIDDEN){
//qDebug() << "Hidden Window:" << win;
state = LX11::INVISIBLE;
}else if(data[i]==ATTENTION){
//qDebug() << "Attention Window: " << win;
state = LX11::ATTENTION;
break; //This state has priority over others
}
}
XFree(data);
}
//LX11::WINDOWSTATE state = LX11::VISIBLE;
if(state==LX11::VISIBLE){
XWindowAttributes attr;
if( 0 != XGetWindowAttributes(disp, win, &attr) ){
if(attr.map_state==IsUnmapped || attr.map_state==IsUnviewable){
state = LX11::INVISIBLE;
}
}
}
//If visible, check whether it is the active window
if(state == LX11::VISIBLE){
if(win == LX11::ActiveWindow()){
state = LX11::ACTIVE;
}
}
//(ALTERNATE) Also check whether the window has the URGENT flag set (override all other states)
if(state!= LX11::ATTENTION){
XWMHints *hints = XGetWMHints(disp, win);
if(hints!=0){
if(hints->flags & URGENCYHINT){
qDebug() << "Found Urgent Flag:";
state = LX11::ATTENTION;
}
XFree(hints);
}
}
return state;
}
WId LX11::leaderWindow(WId win){
//Get the client leader for this window if it has one
Display *disp = QX11Info::display();
Atom SA = XInternAtom(disp, "WM_CLIENT_LEADER", false);
Atom type;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
WId leader = 0;
int status = XGetWindowProperty( disp, win, SA, 0, ~(0L), false, AnyPropertyType,
&type, &format, &num, &bytes, &data);
if(status >= Success && data){
Window *array = reinterpret_cast<Window*> (data);
if(array!=0){
leader = array[0];
}
XFree(data);
}
return leader;
}
// ===== isNormalWindow() =====
bool LX11::isNormalWindow(WId win, bool includeDialogs){
//Check to see if it is a "normal" window (as opposed to tooltips, popups, menus, etc)
Display *disp = QX11Info::display();
Atom SA = XInternAtom(disp, "_NET_WM_WINDOW_TYPE", false);
Atom NORMAL = XInternAtom(disp, "_NET_WM_WINDOW_TYPE_NORMAL", false);
Atom DIALOG = XInternAtom(disp, "_NET_WM_WINDOW_TYPE_DIALOG", false);
Atom type;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty( disp, win, SA, 0, ~(0L), false, AnyPropertyType,
&type, &format, &num, &bytes, &data);
bool isNormal = true; //assume normal is true if unlisted (the standard use)
if(status >= Success && data){
for(unsigned int i=0; i<num; i++){
if( data[i] == NORMAL ){ isNormal = true; break; }
else if(data[i]==DIALOG && includeDialogs){ isNormal=true; break; }
else{ isNormal = false; } //don't break here, might be explicitly listed next
}
XFree(data);
}
return isNormal;
}
// ===== startSystemTray() =====
WId LX11::startSystemTray(int screen){
qDebug() << "Starting System Tray:" << screen;
//Setup the freedesktop standards compliance
Display *disp = QX11Info::display();
Window root = QX11Info::appRootWindow();
//Get the appropriate atom for this screen
QString str = QString("_NET_SYSTEM_TRAY_S%1").arg(QString::number(screen));
//qDebug() << "Default Screen Atom Name:" << str;
Atom _NET_SYSTEM_TRAY_S = XInternAtom(disp,str.toLatin1(),false);
//Make sure that there is no other system tray running
if(XGetSelectionOwner(disp, _NET_SYSTEM_TRAY_S) != None){
qWarning() << " - An alternate system tray is currently in use";
return 0;
}
//Create a simple window to register as the tray (not visible - just off the screen)
Window LuminaSessionTrayID = XCreateSimpleWindow(disp, root,-1,-1,1,1,0,0,0);
//register this widget as the system tray
XSetSelectionOwner(disp, _NET_SYSTEM_TRAY_S, LuminaSessionTrayID, CurrentTime);
//Make sure that it was registered properly
if(XGetSelectionOwner(disp, _NET_SYSTEM_TRAY_S) != LuminaSessionTrayID){
qWarning() << " - Could not register the system tray";
XDestroyWindow(disp, LuminaSessionTrayID);
return 0;
}
//Now register the orientation of the system tray
int horz = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
XChangeProperty(disp, LuminaSessionTrayID, XInternAtom(disp,"_NET_SYSTEM_TRAY_ORIENTATION",False),
XA_CARDINAL, 32, PropModeReplace, (unsigned char*) &horz, 1);
//Now get the visual ID for the system tray
XVisualInfo *XVI = new XVisualInfo;
XVI->screen = QX11Info::appScreen();
XVI->depth = 32;
XVI->c_class = TrueColor;
int num;
XVI = XGetVisualInfo(disp, VisualScreenMask | VisualDepthMask | VisualClassMask , XVI, &num);
VisualID vis = 0;
if(XVI != 0){
XRenderPictFormat *fmt;
for(int i=0; i<num; i++){
fmt = XRenderFindVisualFormat(disp, XVI[i].visual);
if( (fmt !=0) && (fmt->type == PictTypeDirect) && (fmt->direct.alphaMask!=0) ){
vis = XVI[i].visualid;
break;
}
}
}
XFree(XVI); //done with this - clean it up
//Now register the visual ID
if(vis!=0){
XChangeProperty(disp, LuminaSessionTrayID, XInternAtom(disp,"_NET_SYSTEM_TRAY_VISUAL",true),
XA_VISUALID, 32, PropModeReplace, (unsigned char*) &vis, 1);
}
//Finally, send out an X event letting others know that the system tray is up and running
XClientMessageEvent msg;
msg.type = ClientMessage;
msg.window = root;
msg.message_type = XInternAtom(disp,"MANAGER",true);
msg.format = 32;
msg.data.l[0] = CurrentTime;
msg.data.l[1] = _NET_SYSTEM_TRAY_S;
msg.data.l[2] = LuminaSessionTrayID;
msg.data.l[3] = 0;
msg.data.l[4] = 0;
XSendEvent(disp, root, False, StructureNotifyMask, (XEvent*)&msg);
//Success
return LuminaSessionTrayID;
}
// ===== closeSystemTray() =====
void LX11::closeSystemTray(WId trayID){
XDestroyWindow(QX11Info::display(), trayID);
}
// ===== findOrphanTrayWindows() =====
QList<WId> LX11::findOrphanTrayWindows(){
//Scan the first level of root windows and see if any of them
// are tray apps waiting to be embedded
Display *disp = QX11Info::display();
QList<WId> wins = LX11::findChildren(QX11Info::appRootWindow(), 0); //only go one level deep
Atom embinfo = XInternAtom(disp, "_XEMBED_INFO",false);
for(int i=0; i<wins.length(); i++){
uchar *data=0;
ulong num, bytes;
int fmt;
Atom junk;
bool ok = (Success != XGetWindowProperty(disp, wins[i], embinfo, 0, 2, false, embinfo, &junk, &fmt, &num, &bytes, &data) );
if(ok){ //successfully found info
ok = (data!=0);
}
if(!ok){
//no embed info - not a tray app
qDebug() << "Remove non-xembed window:" << wins[i];
wins.removeAt(i);
i--;
}
if(data){ XFree(data); } // clean up any data found
}
return wins; //anything left in the list must be a tray app that is still unembedded (root window parent)
}
// ===== getNetWMProp() =====
QString LX11::getNetWMProp(WId win, QString prop){
Display *disp = QX11Info::display();
Atom NA = XInternAtom(disp, prop.toUtf8(), false);
Atom utf = XInternAtom(disp, "UTF8_STRING", false);
Atom type;
int format;
unsigned long num, bytes;
unsigned char *data = 0;
int status = XGetWindowProperty( disp, win, NA, 0, 65536, false, utf,
&type, &format, &num, &bytes, &data);
QString property;
if(status >= Success && data){
property = QString::fromUtf8( (char *) data);
XFree(data);
}
return property;
}
//===============================
//===============================
// XCB LIBRARY FUNCTIONS
//===============================
//===============================
LXCB::LXCB(){
xcb_intern_atom_cookie_t *cookie = xcb_ewmh_init_atoms(QX11Info::connection(), &EWMH);
if(!xcb_ewmh_init_atoms_replies(&EWMH, cookie, NULL) ){
qDebug() << "Error with XCB atom initializations";
}else{
qDebug() << "Number of XCB screens:" << EWMH.nb_screens;
}
}
LXCB::~LXCB(){
xcb_ewmh_connection_wipe(&EWMH);
}
// === WindowList() ===
QList<WId> LXCB::WindowList(bool rawlist){
if(DEBUG){ qDebug() << "XCB: WindowList()" << rawlist; }
QList<WId> output;
//qDebug() << "Get Client list cookie";
xcb_get_property_cookie_t cookie = xcb_ewmh_get_client_list_unchecked( &EWMH, 0);
xcb_ewmh_get_windows_reply_t winlist;
//qDebug() << "Get client list";
if( 1 == xcb_ewmh_get_client_list_reply( &EWMH, cookie, &winlist, NULL) ){
//qDebug() << " - Loop over items";
unsigned int wkspace = CurrentWorkspace();
for(unsigned int i=0; i<winlist.windows_len; i++){
//Filter out the Lumina Desktop windows
if(WindowClass(winlist.windows[i]) == "Lumina Desktop Environment"){ continue; }
//Also filter out windows not on the active workspace
else if( (WindowWorkspace(winlist.windows[i])!=wkspace) && !rawlist ){ continue; }
else{
output << winlist.windows[i];
}
}
}
return output;
}
// === CurrentWorkspace() ===
unsigned int LXCB::CurrentWorkspace(){
if(DEBUG){ qDebug() << "XCB: CurrentWorkspace()"; }
//qDebug() << "Get Current Workspace";
xcb_get_property_cookie_t cookie = xcb_ewmh_get_current_desktop_unchecked(&EWMH, 0);
uint32_t wkspace = 0;
xcb_ewmh_get_current_desktop_reply(&EWMH, cookie, &wkspace, NULL);
//qDebug() << " - done:" << wkspace;
return wkspace;
}
unsigned int LXCB::NumberOfWorkspaces(){
xcb_get_property_cookie_t cookie = xcb_ewmh_get_number_of_desktops_unchecked(&EWMH, 0);
uint32_t number;
if(1==xcb_ewmh_get_number_of_desktops_reply(&EWMH, cookie, &number, NULL) ){
return number;
}else{
return 0; //unable to get this property
}
}
// === ActiveWindow() ===
WId LXCB::ActiveWindow(){
if(DEBUG){ qDebug() << "XCB: ActiveWindow()"; }
xcb_get_property_cookie_t cookie = xcb_ewmh_get_active_window_unchecked(&EWMH, 0);
xcb_window_t actwin;
if(1 == xcb_ewmh_get_active_window_reply(&EWMH, cookie, &actwin, NULL) ){
return actwin;
}else{
return 0; //invalid ID/failure
}
}
// === CheckDisableXinerama() ===
bool LXCB::CheckDisableXinerama(){
//returns true if Xinerama was initially set but now disabled
return false;
// TO-DO - not complete yet
/*xcb_query_extension_cookie_t cookie = xcb_query_extension_unchecked(QX11Info::connection(), 8, "Xinerama");
xcb_query_extension_reply_t *reply = xcb_query_extension_reply(QX11Info::connection(), cookie, NULL);
if(reply!=0){
free(reply);
}
*/
}
// === RegisterVirtualRoots() ===
void LXCB::RegisterVirtualRoots(QList<WId> roots){
if(DEBUG){ qDebug() << "XCB: RegisterVirtualRoots()"; }
//First convert the QList into the proper format
xcb_window_t *list = new xcb_window_t[ roots.length() ];
for(int i=0; i<roots.length(); i++){
list[i] = roots[i]; //move from the QList to the array
}
//Now set the property
xcb_ewmh_set_virtual_roots(&EWMH, 0, roots.length(), list);
//Now delete the temporary array from memory
delete list;
}
// === WindowClass() ===
QString LXCB::WindowClass(WId win){
if(DEBUG){ qDebug() << "XCB: WindowClass()" << win; }
QString out;
if(win==0){ return ""; }
xcb_get_property_cookie_t cookie = xcb_icccm_get_wm_class_unchecked(QX11Info::connection(), win);
if(cookie.sequence == 0){ return out; }
xcb_icccm_get_wm_class_reply_t value;
if( 1== xcb_icccm_get_wm_class_reply( QX11Info::connection(), cookie, &value, NULL) ){
out = QString::fromUtf8(value.class_name);
xcb_icccm_get_wm_class_reply_wipe(&value);
}
return out;
}
// === WindowWorkspace() ===
unsigned int LXCB::WindowWorkspace(WId win){
if(DEBUG){ qDebug() << "XCB: WindowWorkspace()" << win; }
//qDebug() << "Get Window Workspace";
if(win==0){ return 0; }
uint32_t wkspace = 0;
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_desktop_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return wkspace; }
xcb_ewmh_get_wm_desktop_reply(&EWMH, cookie, &wkspace, NULL);
//qDebug() << " - done: " << wkspace;
return wkspace;
}
// === WindowGeometry() ===
QRect LXCB::WindowGeometry(WId win, bool includeFrame){
if(DEBUG){ qDebug() << "XCB: WindowGeometry()"; }
QRect geom;
if(win==0){ return geom; }
xcb_get_geometry_cookie_t cookie = xcb_get_geometry(QX11Info::connection(), win);
xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(QX11Info::connection(), cookie, NULL);
//qDebug() << "Get Window Geometry:" << reply;
if(reply != 0){
geom = QRect(0, 0, reply->width, reply->height); //make sure to use the origin point for the window
//qDebug() << " - "<<reply->x << reply->y << reply->width << reply->height;
free(reply);
if(includeFrame){
//Need to add/include the frame extents as well (assuming the frame info is available)
xcb_get_property_cookie_t cookie = xcb_ewmh_get_frame_extents_unchecked(&EWMH, win);
if(cookie.sequence != 0){
xcb_ewmh_get_extents_reply_t frame;
if(1== xcb_ewmh_get_frame_extents_reply(&EWMH, cookie, &frame, NULL) ){
//adjust the origin point to account for the frame
geom.translate(-frame.left, -frame.top); //move to the orign point for the frame
//adjust the size (include the frame sizes)
geom.setWidth( geom.width() + frame.left + frame.right );
geom.setHeight( geom.height() + frame.top + frame.bottom );
}
//qDebug() << " - Frame:" << frame.left << frame.right << frame.top << frame.bottom;
//qDebug() << " - Modified with Frame:" << geom.x() << geom.y() << geom.width() << geom.height();
}
}
//Now need to convert this to absolute coordinates (not parent-relavitve)
xcb_translate_coordinates_cookie_t tcookie = xcb_translate_coordinates(QX11Info::connection(), win, QX11Info::appRootWindow(), geom.x(), geom.y());
xcb_translate_coordinates_reply_t *trans = xcb_translate_coordinates_reply(QX11Info::connection(), tcookie, NULL);
if(trans!=0){
//qDebug() << " - Got Translation:" << trans->dst_x << trans->dst_y;
//Replace the origin point with the global position (sizing remains the same)
geom.moveLeft(trans->dst_x); //adjust X coordinate (no size change)
geom.moveTop(trans->dst_y); //adjust Y coordinate (no size change)
free(trans);
}
}else{
//Need to do another catch for this situation (probably not mapped yet)
}
return geom;
}
QList<int> LXCB::WindowFrameGeometry(WId win){
if(DEBUG){ qDebug() << "XCB: WindowFrameGeometry()"; }
//Returns: [top, bottom, left, right] sizes for the frame
QList<int> geom;
if(win!=0){
xcb_get_property_cookie_t cookie = xcb_ewmh_get_frame_extents_unchecked(&EWMH, win);
if(cookie.sequence != 0){
xcb_ewmh_get_extents_reply_t frame;
if(1== xcb_ewmh_get_frame_extents_reply(&EWMH, cookie, &frame, NULL) ){
//adjust the origin point to account for the frame
geom << frame.top << frame.bottom << frame.left << frame.right;
}
}
}
if(geom.isEmpty()){ geom << 0 << 0 << 0 << 0; }
return geom;
}
// === WindowState() ===
LXCB::WINDOWSTATE LXCB::WindowState(WId win){
if(DEBUG){ qDebug() << "XCB: WindowState()"; }
if(win==0){ return IGNORE; }
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_state_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return IGNORE; }
xcb_ewmh_get_atoms_reply_t states;
WINDOWSTATE cstate = IGNORE;
//First Check for special states (ATTENTION in particular);
if( 1 == xcb_ewmh_get_wm_state_reply(&EWMH, cookie, &states, NULL) ){
for(unsigned int i=0; i<states.atoms_len; i++){
if(states.atoms[i] == EWMH._NET_WM_STATE_DEMANDS_ATTENTION){ cstate = ATTENTION; break; } //nothing more urgent - stop here
else if(states.atoms[i] == EWMH._NET_WM_STATE_HIDDEN){ cstate = INVISIBLE; }
}
}
//Now check to see if the window is the active one
if(cstate == IGNORE){
xcb_get_property_cookie_t cookie = xcb_ewmh_get_active_window_unchecked(&EWMH, 0);
xcb_window_t actwin;
if(1 == xcb_ewmh_get_active_window_reply(&EWMH, cookie, &actwin, NULL) ){
if(actwin == win){ cstate = ACTIVE; }
}
}
//Now check for ICCCM Urgency hint (not sure if this is still valid with EWMH instead)
/*if(cstate == IGNORE){
xcb_get_property_cookie_t cookie = xcb_icccm_get_wm_hints_unchecked(QX11Info::connection(), win);
xcb_icccm_wm_hints_t hints;
if( 1== xcb_icccm_get_wm_hints_reply(QX11Info::connection(), cookie, &hints, NULL) ){
if(xcb_icccm_wm_hints_get_urgency(hints) ){ cstate = ATTENTION; };
}
}*/
//Now check for standard visible/invisible attribute (current mapping state)
if(cstate == IGNORE){
xcb_get_window_attributes_cookie_t cookie = xcb_get_window_attributes(QX11Info::connection(), win);
xcb_get_window_attributes_reply_t *attr = xcb_get_window_attributes_reply(QX11Info::connection(), cookie, NULL);
if(attr!=0){
if(attr->map_state==XCB_MAP_STATE_VIEWABLE){ cstate = VISIBLE; }
else{ cstate = INVISIBLE; }
free(attr);
}
}
return cstate;
}
// === WindowVisibleIconName() ===
QString LXCB::WindowVisibleIconName(WId win){ //_NET_WM_VISIBLE_ICON_NAME
if(DEBUG){ qDebug() << "XCB: WindowVisibleIconName()"; }
if(win==0){ return ""; }
QString out;
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_visible_icon_name_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return out; }
xcb_ewmh_get_utf8_strings_reply_t data;
if( 1 == xcb_ewmh_get_wm_visible_icon_name_reply(&EWMH, cookie, &data, NULL) ){
out = QString::fromUtf8(data.strings, data.strings_len);
}
return out;
}
// === WindowIconName() ===
QString LXCB::WindowIconName(WId win){ //_NET_WM_ICON_NAME
if(DEBUG){ qDebug() << "XCB: WindowIconName()"; }
if(win==0){ return ""; }
QString out;
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_icon_name_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return out; }
xcb_ewmh_get_utf8_strings_reply_t data;
if( 1 == xcb_ewmh_get_wm_icon_name_reply(&EWMH, cookie, &data, NULL) ){
out = QString::fromUtf8(data.strings, data.strings_len);
}
return out;
}
// === WindowVisibleName() ===
QString LXCB::WindowVisibleName(WId win){ //_NET_WM_VISIBLE_NAME
if(DEBUG){ qDebug() << "XCB: WindowVisibleName()"; }
if(win==0){ return ""; }
QString out;
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_visible_name_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return out; }
xcb_ewmh_get_utf8_strings_reply_t data;
if( 1 == xcb_ewmh_get_wm_visible_name_reply(&EWMH, cookie, &data, NULL) ){
out = QString::fromUtf8(data.strings, data.strings_len);
}
return out;
}
// === WindowName() ===
QString LXCB::WindowName(WId win){ //_NET_WM_NAME
if(DEBUG){ qDebug() << "XCB: WindowName()"; }
if(win==0){ return ""; }
QString out;
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_name_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return out; }
xcb_ewmh_get_utf8_strings_reply_t data;
if( 1 == xcb_ewmh_get_wm_name_reply(&EWMH, cookie, &data, NULL) ){
out = QString::fromUtf8(data.strings, data.strings_len);
}
return out;
}
// === OldWindowName() ===
QString LXCB::OldWindowName(WId win){ //WM_NAME (old standard)
if(DEBUG){ qDebug() << "XCB: OldWindowName()"; }
if(win==0){ return ""; }
xcb_get_property_cookie_t cookie = xcb_icccm_get_wm_name_unchecked(QX11Info::connection(), win);
xcb_icccm_get_text_property_reply_t reply;
if(1 == xcb_icccm_get_wm_name_reply(QX11Info::connection(), cookie, &reply, NULL) ){
QString name = QString::fromLocal8Bit(reply.name);
xcb_icccm_get_text_property_reply_wipe(&reply);
return name;
}else{
return "";
}
}
// === OldWindowIconName() ===
QString LXCB::OldWindowIconName(WId win){ //WM_ICON_NAME (old standard)
if(DEBUG){ qDebug() << "XCB: OldWindowIconName()"; }
if(win==0){ return ""; }
xcb_get_property_cookie_t cookie = xcb_icccm_get_wm_icon_name_unchecked(QX11Info::connection(), win);
xcb_icccm_get_text_property_reply_t reply;
if(1 == xcb_icccm_get_wm_icon_name_reply(QX11Info::connection(), cookie, &reply, NULL) ){
QString name = QString::fromLocal8Bit(reply.name);
xcb_icccm_get_text_property_reply_wipe(&reply);
return name;
}else{
return "";
}
}
// === WindowIsMaximized() ===
bool LXCB::WindowIsMaximized(WId win){
if(DEBUG){ qDebug() << "XCB: WindowIsMaximized()"; }
if(win==0){ return ""; }
//See if the _NET_WM_STATE_MAXIMIZED_[VERT/HORZ] flags are set on the window
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_state_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return false; }
xcb_ewmh_get_atoms_reply_t states;
if( 1 == xcb_ewmh_get_wm_state_reply(&EWMH, cookie, &states, NULL) ){
//Loop over the states
for(unsigned int i=0; i<states.atoms_len; i++){
if(states.atoms[i] == EWMH._NET_WM_STATE_MAXIMIZED_HORZ \
|| states.atoms[i] == EWMH._NET_WM_STATE_MAXIMIZED_VERT ){
return true;
}
}
}
return false;
}
// === WindowIsFullscreen() ===
int LXCB::WindowIsFullscreen(WId win){
if(DEBUG){ qDebug() << "XCB: WindowIsFullscreen()"; }
if(win==0){ return -1; }
//bool fullS = false;
//See if the _NET_WM_STATE_FULLSCREEN flag is set on the window
/*xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_state_unchecked(&EWMH, win);
if(cookie.sequence == 0){ return false; }
xcb_ewmh_get_atoms_reply_t states;
if( 1 == xcb_ewmh_get_wm_state_reply(&EWMH, cookie, &states, NULL) ){
//Loop over the states
for(unsigned int i=0; i<states.atoms_len; i++){
if(states.atoms[i] == EWMH._NET_WM_STATE_FULLSCREEN){
fullS = true;
break;
}
}
}*/
//if(!fullS){
//Fallback check for windows which are painted above everything else
// but don't have the FULLSCREEN flag set (even though they are technically full-screen)
int fscreen = -1;
//qDebug() << "FALLBACK FULLSCREEN CHECK:";
QRect geom = LXCB::WindowGeometry(win, false);
QDesktopWidget *desk = QApplication::desktop();
for(int i=0; i<desk->screenCount(); i++){
QRect sgeom = desk->screenGeometry(i);
qDebug() << " -- Check Window Geom:" << sgeom << geom << this->WindowClass(win);
if( sgeom.contains(geom.center()) ){
//Allow a 1 pixel variation in "full-screen" detection
qDebug() << " -- Found Screen:" << i;
if( geom.width() >= (sgeom.width()-1) && geom.height()>=(sgeom.height()-1) ){
qDebug() << " -- Is Fullscreen!";
//fullS = true;
fscreen = i;
}
break; //found the screen which contains this window
}
}
//}
//return fullS;
return fscreen;
}
// === WindowIcon() ===
QIcon LXCB::WindowIcon(WId win){
//Fetch the _NET_WM_ICON for the window and return it as a QIcon
if(DEBUG){ qDebug() << "XCB: WindowIcon()"; }
QIcon icon;
if(win==0){ return icon; }
xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_icon_unchecked(&EWMH, win);
xcb_ewmh_get_wm_icon_reply_t reply;
if(1 == xcb_ewmh_get_wm_icon_reply(&EWMH, cookie, &reply, NULL)){
xcb_ewmh_wm_icon_iterator_t iter = xcb_ewmh_get_wm_icon_iterator(&reply);
//Just use the first
bool done =false;
while(!done){
//Now convert the current data into a Qt image
// - first 2 elements are width and height (removed via XCB functions)
// - data in rows from left to right and top to bottom
QImage image(iter.width, iter.height, QImage::Format_ARGB32); //initial setup
uint* dat = iter.data;
//dat+=2; //remember the first 2 element offset
for(int i=0; i<image.byteCount()/4; ++i, ++dat){
((uint*)image.bits())[i] = *dat;
}
icon.addPixmap(QPixmap::fromImage(image)); //layer this pixmap onto the icon
//Now see if there are any more icons available
done = (iter.rem<1); //number of icons remaining
if(!done){ xcb_ewmh_get_wm_icon_next(&iter); } //get the next icon data
}
xcb_ewmh_get_wm_icon_reply_wipe(&reply);
}
return icon;
}
// === SetAsSticky() ===
void LXCB::SetAsSticky(WId win){
if(DEBUG){ qDebug() << "XCB: SetAsSticky()"; }
if(win==0){ return; }
//Need to send a client message event for the window so the WM picks it up
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = win;
event.type = EWMH._NET_WM_STATE;
event.data.data32[0] = 1; //set to enabled
event.data.data32[1] = EWMH._NET_WM_STATE_STICKY;
event.data.data32[2] = 0;
event.data.data32[3] = 0;
event.data.data32[4] = 0;
xcb_send_event(QX11Info::connection(), 0, QX11Info::appRootWindow(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *) &event);
//This method changes the property on the window directly - the WM is not aware of it
/*xcb_change_property( QX11Info::connection(), XCB_PROP_MODE_APPEND, win, EWMH._NET_WM_STATE, XCB_ATOM_ATOM, 32, 1, &(EWMH._NET_WM_STATE_STICKY) );
xcb_flush(QX11Info::connection()); //apply it right away*/
}
// === SetDisableWMActions() ===
void LXCB::SetDisableWMActions(WId win){
if(DEBUG){ qDebug() << "XCB: SetDisableWMActions()"; }
//This disables all the various control that a WM allows for the window (except for allowing the "Sticky" state)
xcb_atom_t list[1];
list[0] = EWMH._NET_WM_ACTION_STICK;
xcb_ewmh_set_wm_allowed_actions(&EWMH, win, 1, list);
}
// === SetAsPanel() ===
void LXCB::SetAsPanel(WId win){
if(DEBUG){ qDebug() << "XCB: SetAsPanel()"; }
if(win==0){ return; }
SetDisableWMActions(win); //also need to disable WM actions for this window
//Disable Input focus (panel activation ruins task manager window detection routines)
// - Disable Input flag in WM_HINTS
xcb_icccm_wm_hints_t hints;
//qDebug() << " - Disable WM_HINTS input flag";
xcb_get_property_cookie_t cookie = xcb_icccm_get_wm_hints_unchecked(QX11Info::connection(), win);
//qDebug() << " -- got cookie";
if(1 == xcb_icccm_get_wm_hints_reply(QX11Info::connection(), cookie, &hints, NULL) ){
//qDebug() << " -- Set no inputs flag";
xcb_icccm_wm_hints_set_input(&hints, False); //set no input focus
xcb_icccm_set_wm_hints(QX11Info::connection(), win, &hints); //save hints back to window
}
// - Remove WM_TAKE_FOCUS from the WM_PROTOCOLS for the window
// - - Generate the necessary atoms
//qDebug() << " - Generate WM_PROTOCOLS and WM_TAKE_FOCUS atoms";
xcb_atom_t WM_PROTOCOLS, WM_TAKE_FOCUS; //the two atoms needed
xcb_intern_atom_reply_t *preply = xcb_intern_atom_reply(QX11Info::connection(), \
xcb_intern_atom(QX11Info::connection(), 0, 12, "WM_PROTOCOLS"), NULL);
xcb_intern_atom_reply_t *freply = xcb_intern_atom_reply(QX11Info::connection(), \
xcb_intern_atom(QX11Info::connection(), 0, 13, "WM_TAKE_FOCUS"), NULL);
bool gotatoms = false;
if(preply && freply){
WM_PROTOCOLS = preply->atom;
WM_TAKE_FOCUS = freply->atom;
free(preply);
free(freply);
gotatoms = true;
//qDebug() << " -- success";
}
// - - Now update the protocols for the window
if(gotatoms){ //requires the atoms
//qDebug() << " - Get WM_PROTOCOLS";
xcb_icccm_get_wm_protocols_reply_t proto;
if( 1 == xcb_icccm_get_wm_protocols_reply(QX11Info::connection(), \
xcb_icccm_get_wm_protocols_unchecked(QX11Info::connection(), win, WM_PROTOCOLS), \
&proto, NULL) ){
//Found the current protocols, see if it has the focus atom set
//remove the take focus atom and re-save them
bool needremove = false;
//Note: This first loop is required so that we can initialize the modified list with a valid size
//qDebug() << " -- Check current protocols";
for(unsigned int i=0; i<proto.atoms_len; i++){
if(proto.atoms[i] == WM_TAKE_FOCUS){ needremove = true; break;}
}
if(needremove){
//qDebug() << " -- Remove WM_TAKE_FOCUS protocol";
xcb_atom_t *protolist = new xcb_atom_t[proto.atoms_len-1];
int num = 0;
for(unsigned int i=0; i<proto.atoms_len; i++){
if(proto.atoms[i] != WM_TAKE_FOCUS){
protolist[num] = proto.atoms[i];
num++;
}
}
//qDebug() << " -- Re-save modified protocols";
xcb_icccm_set_wm_protocols(QX11Info::connection(), win, WM_PROTOCOLS, num, protolist);
}
//qDebug() << " -- Clear protocols reply";
xcb_icccm_get_wm_protocols_reply_wipe(&proto);
}//end of get protocols check
} //end of gotatoms check
//Make sure it has the "dock" window type
// - get the current window types (Not necessary, only 1 type of window needed)
// - set the adjusted window type(s)
//qDebug() << " - Adjust window type";
xcb_atom_t list[1];
list[0] = EWMH._NET_WM_WINDOW_TYPE_DOCK;
xcb_ewmh_set_wm_window_type(&EWMH, win, 1, list);
//Make sure it is on all workspaces
//qDebug() << " - Set window as sticky";
SetAsSticky(win);
}
// === SetAsDesktop() ===
void LXCB::SetAsDesktop(WId win){
if(DEBUG){ qDebug() << "XCB: SetAsDesktop()"; }
if(win==0){ return; }
SetDisableWMActions(win); //also need to disable WM actions for this window
xcb_atom_t list[1];
list[0] = EWMH._NET_WM_WINDOW_TYPE_DESKTOP;
xcb_ewmh_set_wm_window_type(&EWMH, win, 1, list);
}
// === CloseWindow() ===
void LXCB::CloseWindow(WId win){
if(DEBUG){ qDebug() << "XCB: CloseWindow()"; }
if(win==0){ return; }
//This will close the specified window (might not close the entire application)
xcb_ewmh_request_close_window(&EWMH, 0, win, QX11Info::getTimestamp(), XCB_EWMH_CLIENT_SOURCE_TYPE_OTHER);
}
// === KillClient() ===
void LXCB::KillClient(WId win){
if(DEBUG){ qDebug() << "XCB: KillClient()"; }
if(win==0){ return; }
//This will forcibly close the application which created WIN
xcb_kill_client(QX11Info::connection(), win);
}
// === MinimizeWindow() ===
void LXCB::MinimizeWindow(WId win){ //request that the window be unmapped/minimized
if(DEBUG){ qDebug() << "XCB: MinimizeWindow()"; }
if(win==0){ return; }
//Note: Fluxbox completely removes this window from the open list if unmapped manually
// xcb_unmap_window(QX11Info::connection(), win);
//xcb_flush(QX11Info::connection()); //make sure the command is sent out right away
//Need to send a client message event for the window so the WM picks it up
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = win;
event.type = EWMH._NET_WM_STATE;
event.data.data32[0] = 1; //set to toggle (switch back and forth)
event.data.data32[1] = EWMH._NET_WM_STATE_HIDDEN;
event.data.data32[2] = 0;
event.data.data32[3] = 0;
event.data.data32[4] = 0;
xcb_send_event(QX11Info::connection(), 0, QX11Info::appRootWindow(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *) &event);
}
// === ActivateWindow() ===
void LXCB::ActivateWindow(WId win){ //request that the window become active
if(DEBUG){ qDebug() << "XCB: ActivateWindow();"; }
if(win==0){ return; }
//First need to get the currently active window
xcb_get_property_cookie_t cookie = xcb_ewmh_get_active_window_unchecked(&EWMH, 0);
xcb_window_t actwin;
if(1 != xcb_ewmh_get_active_window_reply(&EWMH, cookie, &actwin, NULL) ){
actwin = 0;
}
if(actwin == win){ return; } //requested window is already active
//Need to send a client message event for the window so the WM picks it up
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = win; //window to activate
event.type = EWMH._NET_ACTIVE_WINDOW;
event.data.data32[0] = 2; //pager/direct user interaction
event.data.data32[1] = QX11Info::getTimestamp(); //current timestamp
event.data.data32[2] = actwin; //currently active window (0 if none)
event.data.data32[3] = 0;
event.data.data32[4] = 0;
xcb_send_event(QX11Info::connection(), 0, QX11Info::appRootWindow(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *) &event);
}
// === MaximizeWindow() ===
void LXCB::MaximizeWindow(WId win, bool flagsonly){ //request that the window become maximized
if(DEBUG){ qDebug() << "XCB: MaximizeWindow()"; }
if(win==0){ return; }
if(flagsonly){
//Directly set the flags on the window (bypassing the WM)
xcb_atom_t list[2];
list[0] = EWMH._NET_WM_STATE_MAXIMIZED_VERT;
list[1] = EWMH._NET_WM_STATE_MAXIMIZED_HORZ;
xcb_ewmh_set_wm_state(&EWMH, win, 2, list);
}else{
//Need to send a client message event for the window so the WM picks it up
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = win;
event.type = EWMH._NET_WM_STATE;
event.data.data32[0] = 2; //set to toggle (switch back and forth)
event.data.data32[1] = EWMH._NET_WM_STATE_MAXIMIZED_VERT;
event.data.data32[2] = EWMH._NET_WM_STATE_MAXIMIZED_HORZ;
event.data.data32[3] = 0;
event.data.data32[4] = 0;
xcb_send_event(QX11Info::connection(), 0, QX11Info::appRootWindow(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *) &event);
}
}
// === MoveResizeWindow() ===
void LXCB::MoveResizeWindow(WId win, QRect geom){
if(DEBUG){ qDebug() << "XCB: MoveResizeWindow()"; }
if(win==0){ return; }
//NOTE: geom needs to be in root/absolute coordinates!
//qDebug() << "MoveResize Window:" << geom.x() << geom.y() << geom.width() << geom.height();
//Move the window
/*xcb_ewmh_request_moveresize_window(&EWMH, 0, win, XCB_GRAVITY_STATIC, XCB_EWMH_CLIENT_SOURCE_TYPE_OTHER, \
XCB_EWMH_MOVERESIZE_WINDOW_X | XCB_EWMH_MOVERESIZE_WINDOW_Y | XCB_MOVERESIZE_WINDOW_WIDTH | XCB_MOVERESIZE_WINDOW_HEIGHT, \
geom.x(), geom.y(), geom.width(), geom.height());*/
//Use the basic XCB functions instead of ewmh (Issues with combining the XCB_EWMH_MOVERESIZE _*flags)
uint32_t values[4];
values[0] = geom.x(); values[1] = geom.y();
values[2] = geom.width(); values[3] = geom.height();
xcb_configure_window(QX11Info::connection(), win, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values);
}
// === ReserveLocation ===
void LXCB::ReserveLocation(WId win, QRect geom, QString loc){
loc = loc.toLower().simplified();
//Put the values in the proper structures
xcb_ewmh_wm_strut_partial_t LOC;
//Initialize the structure to zeros
LOC.left = LOC.right = LOC.top = LOC.bottom = 0; //initial setting
LOC.left_start_y = LOC.left_end_y = LOC.right_start_y = LOC.right_end_y = 0;
LOC.top_start_x = LOC.top_end_x = LOC.bottom_start_x = LOC.bottom_end_x = 0;
//Now put the values into the structure based on location
if(loc=="top"){
//top of screen
LOC.top = geom.height(); //top width
LOC.top_start_x = geom.x(); //top x start
LOC.top_end_x = geom.x()+geom.width(); //top x end
}else if(loc=="bottom"){
//bottom of screen
LOC.bottom = geom.height(); //bottom width
LOC.bottom_start_x = geom.x(); //bottom x start
LOC.bottom_end_x = geom.x()+geom.width(); //bottom x end
}else if(loc=="left"){
LOC.left = geom.width();
LOC.left_start_y = geom.y();
LOC.left_end_y = geom.y()+geom.height();
}else{ //right
LOC.right = geom.width();
LOC.right_start_y = geom.y();
LOC.right_end_y = geom.y()+geom.height();
}
//Change the property
xcb_ewmh_set_wm_strut_partial(&EWMH, win, LOC); //_NET_WM_STRUT_PARTIAL (not always used)
xcb_ewmh_set_wm_strut(&EWMH, win, LOC.left, LOC.right, LOC.top, LOC.bottom); //_NET_WM_STRUT
}
// === EmbedWindow() ===
uint LXCB::EmbedWindow(WId win, WId container){
if(DEBUG){ qDebug() << "XCB: EmbedWindow()"; }
//This returns the damage control ID number (or 0 for a failure)
if(win==0 || container==0){ return 0; }
//qDebug() << "Embed Window:" << win << container;
//Initialize any atoms that will be needed
xcb_intern_atom_cookie_t ecookie = xcb_intern_atom_unchecked(QX11Info::connection(), 0, 7, "_XEMBED");
xcb_intern_atom_reply_t *ereply = xcb_intern_atom_reply(QX11Info::connection(), ecookie, NULL);
if(ereply==0){ return 0; } //unable to initialize the atom
xcb_atom_t emb = ereply->atom;
free(ereply); //done with this structure
//Reparent the window into the container
xcb_reparent_window(QX11Info::connection(), win, container, 0, 0);
xcb_map_window(QX11Info::connection(), win);
//Now send the embed event to the app
//qDebug() << " - send _XEMBED event";
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = win;
event.type = emb; //_XEMBED
event.data.data32[0] = CurrentTime;
event.data.data32[1] = 0; //XEMBED_EMBEDDED_NOTIFY
event.data.data32[2] = 0;
event.data.data32[3] = container; //WID of the container
event.data.data32[4] = 0;
xcb_send_event(QX11Info::connection(), 0, win, XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *) &event);
//Now setup any redirects and return
//qDebug() << " - select Input";
//XSelectInput(disp, win, StructureNotifyMask); //Notify of structure changes
uint32_t val[] = {XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY};
xcb_change_window_attributes(QX11Info::connection(), win, XCB_CW_EVENT_MASK, val);
//qDebug() << " - Composite Redirect";
xcb_composite_redirect_window(QX11Info::connection(), win, XCB_COMPOSITE_REDIRECT_MANUAL);
//Now map the window (will be a transparent child of the container)
xcb_map_window(QX11Info::connection(), win);
//Now create/register the damage handler
xcb_damage_damage_t dmgID = xcb_generate_id(QX11Info::connection()); //This is a typedef for a 32-bit unsigned integer
xcb_damage_create(QX11Info::connection(), dmgID, win, XCB_DAMAGE_REPORT_LEVEL_RAW_RECTANGLES);
//qDebug() << " - Done";
return ( (uint) dmgID );
}
// === Unembed Window() ===
bool LXCB::UnembedWindow(WId win){
if(DEBUG){ qDebug() << "XCB: UnembedWindow()"; }
if(win==0){ return false; }
//Display *disp = QX11Info::display();
//Remove redirects
//XSelectInput(disp, win, NoEventMask);
uint32_t val[] = {XCB_EVENT_MASK_NO_EVENT};
xcb_change_window_attributes(QX11Info::connection(), win, XCB_CW_EVENT_MASK, val);
//Make sure it is invisible
xcb_unmap_window(QX11Info::connection(), win);
//Reparent the window back to the root window
xcb_reparent_window(QX11Info::connection(), win, QX11Info::appRootWindow(), 0, 0);
return true;
}
// === SetScreenWorkArea() ===
/*void LXCB::SetScreenWorkArea(unsigned int screen, QRect rect){
//This is only useful because Fluxbox does not set the _NET_WORKAREA root atom
// This needs to be better incorporated into the new window manager later
//First get the current workarea array (for all monitors/screens)
xcb_get_property_cookie_t cookie = xcb_ewmh_get_workarea_unchecked(&EWMH, 0);
xcb_ewmh_get_workarea_reply_t work;
if(0==xcb_ewmh_get_workarea_reply(&EWMH, cookie, &work, NULL)){ return; } //Error: Could not retrieve current work areas
//Save what we need only from the reply
unsigned int desks = work.workarea_len;
if(desks <= screen){ return; } //invalid screen to modify
qDebug() << "Number of desktops/screens:" << desks;
xcb_ewmh_geometry_t *dareas = work.workarea;
//Adjust the work area for the input monitor/screen
dareas[screen].x = rect.x();
dareas[screen].y = rect.y();
dareas[screen].width = rect.width();
dareas[screen].height = rect.height();
//Now save the array again
xcb_ewmh_set_workarea(&EWMH, 0, desks, dareas); //_NET_WORKAREA
//Make sure to clear that reply
xcb_ewmh_get_workarea_reply_wipe(&work);
}*/
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