Subject: Re: bug#74496: 30.0.91; fullscreen frame set with F11 is shifted when ctwm restarts

From: Van Ly <[email-masked]>
Date: Sat, 07 Dec 2024 11:11:08 +0000

martin rudalics <[email-masked]> writes:

> Maybe you can try the attached diff (it's against the release version)
> and set breakpoints at the four lines I marked with a
>
> // break-here
>
> comment.  Start gdb via run -Q, do F11 and restart CWTM.

Here is the backtrace.

   1  (gdb) info b
   2  Num     Type           Disp Enb Address            What
   3  1       breakpoint     keep y   0x000000000042edfd in gui_set_frame_parameters_1 at /u/xxx/src/emacs/29.4/src/frame.c:4461
   4  2       breakpoint     keep y   0x00000000004cf6fb in x_net_wm_state at /u/xxx/src/emacs/29.4/src/xterm.c:17504
   5  3       breakpoint     keep y   0x00000000004cf5c1 in x_handle_net_wm_state at /u/xxx/src/emacs/29.4/src/xterm.c:27249
   6  4       breakpoint     keep y   0x00000000004e52b5 in x_check_fullscreen at /u/xxx/src/emacs/29.4/src/xterm.c:27324
   7  (gdb) run -Q
   8  Starting program: /u/xxx/src/emacs/build-29-0/src/emacs -Q
   9  [New LWP 7051 of process 24519]
  10  [New LWP 795 of process 24519]
  11  [New LWP 1577 of process 24519]
  12  [New process 24519]
  13  [New process 24519]
  14
  15  Thread 1 "" hit Breakpoint 2, x_net_wm_state (f=f@entry=0x71354096ac10, window=<optimized out>) at /u/xxx/src/emacs/29.4/src/xterm.c:17504
  16  17504	    store_frame_param (f, Qfullscreen, lval); // break here
  17  (gdb) bt
  18  #0  x_net_wm_state (f=f@entry=0x71354096ac10, window=<optimized out>) at /u/xxx/src/emacs/29.4/src/xterm.c:17504
  19  #1  0x00000000004e9343 in handle_one_xevent (dpyinfo=dpyinfo@entry=0x713541033000, event=event@entry=0x7f7fff03c0d0, finish=finish@entry=0x7f7fff03c0cc, hold_quit=hold_quit@entry=0x7f7fff03c1c0) at /u/xxx/src/emacs/29.4/src/xterm.c:20998
  20  #2  0x00000000004f06cd in XTread_socket (terminal=<optimized out>, hold_quit=0x7f7fff03c1c0) at /u/xxx/src/emacs/29.4/src/xterm.c:24812
  21  #3  0x000000000051b7bd in gobble_input () at /u/xxx/src/emacs/29.4/src/keyboard.c:7427
  22  #4  0x000000000051b8d1 in handle_async_input () at /u/xxx/src/emacs/29.4/src/keyboard.c:7658
  23  #5  0x000000000051b8e7 in process_pending_signals () at /u/xxx/src/emacs/29.4/src/keyboard.c:7672
  24  #6  0x00000000005cb17a in wait_reading_process_output (time_limit=<optimized out>, nsecs=nsecs@entry=0, read_kbd=-1, do_display=do_display@entry=true, wait_for_cell=wait_for_cell@entry=0x0, wait_proc=wait_proc@entry=0x0, just_wait_proc=just_wait_proc@entry=0) at /u/xxx/src/emacs/29.4/src/process.c:5304
  25  #7  0x00000000004282e2 in sit_for (timeout=timeout@entry=0x7a, reading=reading@entry=true, display_option=display_option@entry=1) at /u/xxx/src/emacs/29.4/src/dispnew.c:6263
  26  #8  0x000000000051e53b in read_char (commandflag=1, map=map@entry=0x713540069963, prev_event=0x0, used_mouse_menu=used_mouse_menu@entry=0x7f7fff03c6bb, end_time=end_time@entry=0x0) at /u/xxx/src/emacs/29.4/src/lisp.h:767
  27  #9  0x000000000051f5ec in read_key_sequence (keybuf=keybuf@entry=0x7f7fff03c790, prompt=prompt@entry=0x0, dont_downcase_last=dont_downcase_last@entry=false, can_return_switch_frame=can_return_switch_frame@entry=true, fix_current_buffer=fix_current_buffer@entry=true, prevent_redisplay=prevent_redisplay@entry=false) at /u/xxx/src/emacs/29.4/src/keyboard.c:10084
  28  #10 0x000000000052090f in command_loop_1 () at /u/xxx/src/emacs/29.4/src/keyboard.c:1384
  29  #11 0x0000000000583676 in internal_condition_case (bfun=bfun@entry=0x520748 <command_loop_1>, handlers=handlers@entry=0x90, hfun=hfun@entry=0x5166aa <cmd_error>) at /u/xxx/src/emacs/29.4/src/eval.c:1474
  30  #12 0x00000000005113fb in command_loop_2 (handlers=handlers@entry=0x90) at /u/xxx/src/emacs/29.4/src/keyboard.c:1133
  31  #13 0x00000000005835ef in internal_catch (tag=tag@entry=0xfe40, func=func@entry=0x5113dd <command_loop_2>, arg=arg@entry=0x90) at /u/xxx/src/emacs/29.4/src/eval.c:1197
  32  #14 0x00000000005113ba in command_loop () at /u/xxx/src/emacs/29.4/src/keyboard.c:1111
  33  #15 0x00000000005162b8 in recursive_edit_1 () at /u/xxx/src/emacs/29.4/src/keyboard.c:720
  34  #16 0x00000000005165dd in Frecursive_edit () at /u/xxx/src/emacs/29.4/src/keyboard.c:803
  35  #17 0x0000000000510982 in main (argc=2, argv=0x7f7fff03cad8) at /u/xxx/src/emacs/29.4/src/emacs.c:2521

-- 
vl