[h1uke]

Originally Posted by sergeyvl12

can anybody test the following command

xev -name L:A_N:application_ID:somename_M:false_PC:N

will it work (show blank window) with Paperwhite?

this command shows a blank screen with a small rectangle in the upper left corner.
Stays untill interrupted by Ctrl/C. Sends the following output to the console:

Spoiler:

[root@kindle share]# xev -name L:A_N:application_ID:somename_M:false_PC:N
xev:  XSetLocaleModifiers failed
xev:  XOpenIM failed
Outer window is 0x1400001, inner window is 0x1400002

PropertyNotify event, serial 8, synthetic NO, window 0x1400001,
    atom 0x27 (WM_NAME), time 14743682, state PropertyNewValue

PropertyNotify event, serial 9, synthetic NO, window 0x1400001,
    atom 0x22 (WM_COMMAND), time 14743682, state PropertyNewValue

PropertyNotify event, serial 10, synthetic NO, window 0x1400001,
    atom 0x28 (WM_NORMAL_HINTS), time 14743682, state PropertyNewValue

CreateNotify event, serial 11, synthetic NO, window 0x1400001,
    parent 0x1400001, window 0x1400002, (10,10), width 50, height 50
border_width 4, override NO

PropertyNotify event, serial 14, synthetic NO, window 0x1400001,
    atom 0x125 (WM_PROTOCOLS), time 14743683, state PropertyNewValue

MapNotify event, serial 15, synthetic NO, window 0x1400001,
    event 0x1400001, window 0x1400002, override NO

PropertyNotify event, serial 17, synthetic NO, window 0x1400001,
    atom 0x12d (WM_STATE), time 14743692, state PropertyNewValue

ConfigureNotify event, serial 17, synthetic NO, window 0x1400001,
    event 0x1400001, window 0x1400001, (0,0), width 178, height 178,
    border_width 2, above 0x1200090, override NO

PropertyNotify event, serial 17, synthetic NO, window 0x1400001,
    atom 0x118 (_NET_WM_STATE), time 14743693, state PropertyNewValue

PropertyNotify event, serial 17, synthetic NO, window 0x1400001,
    atom 0x104 (_NET_WM_DESKTOP), time 14743698, state PropertyNewValue

ConfigureNotify event, serial 17, synthetic NO, window 0x1400001,
    event 0x1400001, window 0x1400001, (0,0), width 754, height 1020,
    border_width 2, above 0x1200090, override NO

ConfigureNotify event, serial 22, synthetic NO, window 0x1400001,
    event 0x1400001, window 0x1400001, (0,0), width 754, height 1020,
    border_width 2, above 0x120001a, override NO

PropertyNotify event, serial 22, synthetic NO, window 0x1400001,
    atom 0x118 (_NET_WM_STATE), time 14743730, state PropertyNewValue

MapNotify event, serial 22, synthetic NO, window 0x1400001,
    event 0x1400001, window 0x1400001, override NO

VisibilityNotify event, serial 22, synthetic NO, window 0x1400001,
    state VisibilityUnobscured

Expose event, serial 22, synthetic NO, window 0x1400001,
    (0,0), width 754, height 10, count 3

Expose event, serial 22, synthetic NO, window 0x1400001,
    (0,10), width 10, height 58, count 2

Expose event, serial 22, synthetic NO, window 0x1400001,
    (68,10), width 686, height 58, count 1

Expose event, serial 22, synthetic NO, window 0x1400001,
    (0,68), width 754, height 952, count 0

EnterNotify event, serial 22, synthetic NO, window 0x1400001,
    root 0x51, subw 0x0, time 14743734, (123,726), root:(125,728),
    mode NotifyNormal, detail NotifyNonlinear, same_screen YES,
    focus NO, state 0

KeymapNotify event, serial 22, synthetic NO, window 0x0,
    keys:  2   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0

FocusIn event, serial 22, synthetic NO, window 0x1400001,
    mode NotifyNormal, detail NotifyNonlinear

KeymapNotify event, serial 22, synthetic NO, window 0x0,
    keys:  34  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0