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bug#18195: 24.3.92; window-screen-lines is not accurate
From: |
martin rudalics |
Subject: |
bug#18195: 24.3.92; window-screen-lines is not accurate |
Date: |
Tue, 05 Aug 2014 17:45:25 +0200 |
> You'll need to designate a window anyway, since layout is impossible
> without knowing in which window it will be done.
`window-text-pixel-size' works on any life window, by default the
selected.
> There's also the issue of the buffer text on which the text will be
> overlaid: the dimensions of the screen lines to be (partially)
> overlaid affect the pixel dimensions of the overlaying text. So if
> the buffer text uses different fonts, the text overlaid on it will
> have different dimensions than the same text when displayed in its own
> buffer.
This would have to be done on the Lisp level by selecting some font
before calculating the size of the overlay. But I have problems with
the attached patch. If I invoke `window-text-pixel-size' with a
different buffer than that displayed in the window I get an arguments
out of range error. Any ideas?
martin
A backtrace goes as follows:
#0 args_out_of_range (a1=..., a2=...) at data.c:217
#1 0x011eadda in validate_interval_range (object=..., begin=0x82b310,
end=0x82b310, force=false) at textprop.c:182
#2 0x011ec8a4 in Ftext_properties_at (position=..., object=...) at
textprop.c:601
#3 0x011ec931 in Fget_text_property (position=..., prop=..., object=...) at
textprop.c:621
#4 0x010f5806 in face_at_buffer_position (w=0x17b8bf8, pos=82,
endptr=0x82b438, limit=182, mouse=0, base_face_id=0) at xfaces.c:5976
#5 0x0102eb20 in handle_face_prop (it=0x82e180) at xdisp.c:3923
#6 0x0102db70 in handle_stop (it=0x82e180) at xdisp.c:3427
#7 0x0103a40c in next_element_from_buffer (it=0x82e180) at xdisp.c:8242
#8 0x01036f16 in get_next_display_element (it=0x82e180) at xdisp.c:6874
#9 0x0103aec6 in move_it_in_display_line_to (it=0x82e180, to_charpos=311,
to_x=-1, op=MOVE_TO_POS) at xdisp.c:8582
#10 0x0103d080 in move_it_to (it=0x82e180, to_charpos=311, to_x=-1, to_y=-1,
to_vpos=-1, op=10) at xdisp.c:9149
#11 0x0103ec0d in Fwindow_text_pixel_size (window=..., from=..., to=...,
x_limit=..., y_limit=..., mode_and_header_line=..., buffer=...) at xdisp.c:9833
#12 0x0118d7f5 in eval_sub (form=...) at eval.c:2202
#13 0x0118cf36 in Feval (form=..., lexical=...) at eval.c:1996
#14 0x0118e9e6 in Ffuncall (nargs=3, args=0x82ebdc) at eval.c:2811
#15 0x011d01d6 in exec_byte_code (bytestr=..., vector=..., maxdepth=...,
args_template=..., nargs=1, args=0x82ef10) at bytecode.c:918
#16 0x0118f18c in funcall_lambda (fun=..., nargs=1, arg_vector=0x82ef0c) at
eval.c:2976
#17 0x0118ebde in Ffuncall (nargs=2, args=0x82ef08) at eval.c:2857
#18 0x011d01d6 in exec_byte_code (bytestr=..., vector=..., maxdepth=...,
args_template=..., nargs=1, args=0x82f33c) at bytecode.c:918
#19 0x0118f18c in funcall_lambda (fun=..., nargs=1, arg_vector=0x82f338) at
eval.c:2976
#20 0x0118ebde in Ffuncall (nargs=2, args=0x82f334) at eval.c:2857
#21 0x01186548 in Ffuncall_interactively (nargs=2, args=0x82f334) at
callint.c:270
#22 0x0118e8ac in Ffuncall (nargs=3, args=0x82f330) at eval.c:2789
#23 0x01188170 in Fcall_interactively (function=..., record_flag=..., keys=...)
at callint.c:872
#24 0x0118ea15 in Ffuncall (nargs=4, args=0x82f54c) at eval.c:2815
#25 0x011d01d6 in exec_byte_code (bytestr=..., vector=..., maxdepth=...,
args_template=..., nargs=1, args=0x82f894) at bytecode.c:918
#26 0x0118f18c in funcall_lambda (fun=..., nargs=1, arg_vector=0x82f890) at
eval.c:2976
#27 0x0118ebde in Ffuncall (nargs=2, args=0x82f88c) at eval.c:2857
#28 0x0118e4a5 in call1 (fn=..., arg1=...) at eval.c:2607
#29 0x010ffcee in command_loop_1 () at keyboard.c:1545
#30 0x0118b92a in internal_condition_case (bfun=0x10ff67c <command_loop_1>,
handlers=..., hfun=0x10feee7 <cmd_error>) at eval.c:1347
#31 0x010ff332 in command_loop_2 (ignore=...) at keyboard.c:1169
#32 0x0118aede in internal_catch (tag=..., func=0x10ff30e <command_loop_2>,
arg=...) at eval.c:1111
#33 0x010ff2ec in command_loop () at keyboard.c:1148
#34 0x010fea83 in recursive_edit_1 () at keyboard.c:769
#35 0x010fec40 in Frecursive_edit () at keyboard.c:840
#36 0x010fcdaf in main (argc=1, argv=0xa327e8) at emacs.c:1650
Lisp Backtrace:
"window-text-pixel-size" (0x82ea80)
"eval" (0x82ebe0)
"eval-last-sexp-1" (0x82ef0c)
"eval-last-sexp" (0x82f338)
"funcall-interactively" (0x82f334)
"call-interactively" (0x82f550)
"command-execute" (0x82f890)
window-text-pixel-size.diff
Description: Text document
- bug#18195: 24.3.92; window-screen-lines is not accurate, (continued)
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, martin rudalics, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, martin rudalics, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, martin rudalics, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate,
martin rudalics <=
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/05
- bug#18195: 24.3.92; window-screen-lines is not accurate, martin rudalics, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Dmitry Gutov, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Dmitry Gutov, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Dmitry Gutov, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Eli Zaretskii, 2014/08/06
- bug#18195: 24.3.92; window-screen-lines is not accurate, Dmitry Gutov, 2014/08/06