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bug#57995: <wheel-right> with pixel-scroll-precision-mode
From: |
Po Lu |
Subject: |
bug#57995: <wheel-right> with pixel-scroll-precision-mode |
Date: |
Mon, 07 Nov 2022 17:57:19 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Tak Kunihiro <homeros.misasa@gmail.com> writes:
> I set a break point to line 7363 and run Emacs. Event <wheel-left>
> stops at line 7373. I'm not familiar with neither lldb and gdb. Please
> tell me the next step specifically.
>
> TIA
>
> $ ./configure CFLAGS="-g -O0"
> $ make
> $ make install
> $ lldb nextstep/Emacs.app/Contents/MacOS/Emacs
> (lldb) br set --file src/nsterm.m --line 7363
> (lldb) run -Q
> M-: (setq mouse-wheel-tilt-scroll t)
> M-: (pixel-scroll-precision-mode 1)
> <wheel-right>
> (lldb)
> * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
> frame #0: 0x000000010031f749 Emacs`-[EmacsView
> mouseDown:](self=0x0000000103023790, _cmd="mouseDown:",
> theEvent=0x0000600003706b80) at nsterm.m:7373:5
> 7350 #if defined (NS_IMPL_GNUSTEP) || MAC_OS_X_VERSION_MIN_REQUIRED < 1070
> 7351 {
> 7352 CGFloat delta = [theEvent deltaY];
> 7353 /* Mac notebooks send wheel events with delta equal to 0
> 7354 when trackpad scrolling. */
> 7355 if (delta == 0)
> 7356 {
> 7357 delta = [theEvent deltaX];
> 7358 if (delta == 0)
> 7359 {
> 7360 NSTRACE_MSG ("deltaIsZero");
> 7361 return;
> 7362 }
> 7363 emacs_event->kind = HORIZ_WHEEL_EVENT;
> 7364 }
> 7365 else
> 7366 emacs_event->kind = WHEEL_EVENT;
> 7367
> 7368 emacs_event->code = 0;
> 7369 emacs_event->modifiers = EV_MODIFIERS (theEvent) |
> 7370 ((delta > 0) ? up_modifier : down_modifier);
> 7371 }
> 7372 #endif
> -> 7373 }
> 7374 else
> 7375 {
> 7376 Lisp_Object tab_bar_arg = Qnil;
> Target 0: (Emacs) stopped.
Thanks. I just realized that the code I asked you to break on is not
defined on your system.
Would you please print out the values of the following variables
instead?
(lldb) p horizontal
(lldb) p emacs_event->kind
(lldb) p totalDeltaX
- bug#57995: <wheel-right> with pixel-scroll-precision-mode, Tak Kunihiro, 2022/11/07
- bug#57995: <wheel-right> with pixel-scroll-precision-mode,
Po Lu <=
- bug#57995: <wheel-right> with pixel-scroll-precision-mode, Tak Kunihiro, 2022/11/07
- bug#57995: <wheel-right> with pixel-scroll-precision-mode, Po Lu, 2022/11/07
- bug#57995: <wheel-right> with pixel-scroll-precision-mode, Tak Kunihiro, 2022/11/07
- bug#57995: <wheel-right> with pixel-scroll-precision-mode, Po Lu, 2022/11/08
- bug#57995: <wheel-right> with pixel-scroll-precision-mode, Tak Kunihiro, 2022/11/08
- bug#57995: <wheel-right> with pixel-scroll-precision-mode, Po Lu, 2022/11/08