* src/keyboard.c (syms_of_keyboard):
<multiple_terminals_merge_keyboards>: New variable.
(read_event_from_main_queue): Mention it in message.
* lisp/cus-start.el: Make it customizable.
* src/callint.c (Ffuncall_interactively):
* src/keyboard.c (Frecursive_edit):
* src/minibuf.c (read_minibuf): When its value is true, don't
enter single-kboard mode (bug#79892).
* admin/notes/multi-tty:
* etc/NEWS: Document it.
Remove (almost) all regexp matching and the need for saving match data.
Signal an error for unbound variables instead of a timid message,
so that it's certain to be noticed.
* lisp/treesit.el (treesit-auto-install-grammar): Add the value 'ask-dir'.
(treesit-ensure-installed): When 'treesit-auto-install-grammar' is
'ask' or 'ask-dir', ask for the directory to install the grammar library
using the first writable directory of 'treesit-extra-load-path' as default.
Also add the provided directory to 'treesit-extra-load-path' afterwards.
* src/treesit.c (treesit-extra-load-path): In the docstring
mention the fact that the first directory is special (bug#79862).
* lisp/cus-start.el: Make 'abbrev-mode' customizable.
* doc/emacs/abbrevs.texi (Abbrev Concepts):
* etc/NEWS:
* src/buffer.c (syms_of_buffer): <abbrev-mode>: Document
enabling Abbrev mode by default in all buffers by customizing
'abbrev-mode' to a non-nil value.
* src/frame.c (adjust_frame_size): Honor new option
'alter-fullscreen-frames'.
(syms_of_frame) <alter-fullscreen-frames>: New option to
maintain consistent state when attempting to resize fullscreen
frames. Default to 'inhibit' for NS builds because these
resized the frame while leaving the 'fullscreen' parameter alone
(Bug#79704).
(syms_of_frame) <Qinhibit>: Define symbol.
* lisp/cus-start.el (standard): Add customization options for
'alter-fullscreen-frames'
* doc/lispref/frames.texi (Frame Size): Describe new option
'alter-fullscreen-frames'.
* etc/NEWS: Call out new option 'alter-fullscreen-frames'.
`dump-mode` can be nil even if we're about to dump (this is
done in the Android build), so don't rely on it to distinguish
if `cus-start` is loaded from `loadup.el` vs loaded during
a "normal run".
* lisp/loadup.el (cus-start): Bind `cus-start--preload`.
* lisp/cus-start.el: <top-level>: Test it rather than `dump-mode`.
* lisp/cus-start.el (standard): Revert last change if (featurep
'android), as Android systems perform dumping during the
initialization of the first user session.
* lisp/frame.el (frame--special-parameters): New const.
(frame--complete-parameter-value): New function.
(initial-frame-alist, minibuffer-frame-alist): Use them in
:type. (Bug#39143)
* lisp/cus-start.el (default-frame-alist): Use them here as well.
* src/frame.c (frame_parms): Add comment to try to keep
frame--special-parameters updated.
* src/frame.c (frame_inhibit_resize): Handle new value 'force'
for 'frame-inhibit-implied-resize' (Bug#76275).
(frame_inhibit_implied_resize): New value 'force' to inhibit
implied resizing while a new frame is made.
* lisp/cus-start.el (frame-inhibit-implied-resize): Make new
value 'force' customizable.
* doc/lispref/frames.texi (Implied Frame Resizing): Describe new
value 'force' of 'frame-inhibit-implied-resize'.
* etc/NEWS: Announce new value 'force' of
'frame-inhibit-implied-resize'.
* doc/emacs/frames.texi (Tool Bars): Downcase concept index
text.
* lisp/cus-start.el (standard): Copy custom :tag strings
from window-tool-bar-style's, which are more descriptive.
(Bug#75844)
* doc/lispref/display.texi (Image Descriptors): Document new
value of QCscale.
* lisp/cus-start.el (standard) <image-scaling-factor>: New
definition.
* lisp/image.el (image-scaling-factor): Move to C.
(create-image): Provide `default' as the default scaling factor.
(image--default-smoothing): Accept non-integer scaling factors.
(image-compute-scaling-factor): Document that this function
is no longer invoked by Emacs.
* lisp/tool-bar.el (tool-bar--image-expression): Disable
transform smoothing for tool-bar icons.
* src/dispextern.h (clear_image_cache): New definition.
* src/frame.c (gui_set_font): Clear such image cache entries as
derive their scales from the default font width.
* src/image.c (clear_image_cache): Export function.
(compute_image_size): Implement `default' by reading
Vimage_scaling_factor and/or computing a scale factor from the
frame's column width, as the case may be.
New argument F. All callers changed.
(syms_of_image) <Vimage_scaling_factor>: Move from image.el.
* src/w32fns.c (globals_of_w32fns) <w32-follow-system-dark-mode>:
New variable.
(w32_applytheme): Disable application of Dark mode if
'w32-follow-system-dark-mode' is nil.
* etc/NEWS:
* doc/emacs/msdos.texi (Windows Misc): Document
'w32-follow-system-dark-mode'.
* src/dispnew.c (mouse_prefer_closest_glyph): New global
variable.
(buffer_posn_from_coords):
* src/xdisp.c (remember_mouse_glyph): Respect
'mouse_prefer_closest_glyph'.
(mouse_fine_grained_tracking): Update documentation to
include 'mouse_prefer_closest_glyph' effects.
* doc/lispref/commands.texi (Accessing Mouse): Update
documentation to say what the new option does when enabled.
* lisp/cus-start.el (standard): New user option
'mouse-prefer-closest-glyph'.
This implements Bug#60312
* src/fns.c (syms_of_fns): Define `yes-or-no-prompt' Lisp variable.
(Fyes_or_no_p): Use `yes-or-no-prompt' instead of a hard-coded string.
* lisp/cus-start.el (standard): Add custom specification for it.
* doc/emacs/mini.texi (Yes or No Prompts): Document `yes-or-no-prompt'
* doc/lispref/minibuf.texi (Yes-or-No Queries): And here.
* etc/NEWS: Announce the new option.
* lisp/cus-start.el (standard): Update defcustom type.
* src/xselect.c (x_should_preserve_selection): New function.
(x_clear_frame_selections): Use it to determine whether or not
to preserve a selection.
* src/xterm.c (x_preserve_selections): Fix tail initialization.
(syms_of_xterm): Update doc string of
`x-auto-preserve-selections'.
This changeset is based on code originally posted by
Kenichi Handa <handa@gnu.org> as part of discussing bug#20140,
with a few adjustments and changes, mainly to support R2L
text and provide a user option to control the feature.
* src/xdisp.c (compute_stop_pos, next_element_from_buffer)
(composition_reseat_it): Don't allow auto-composing characters
past point when 'composition-break-at-point' is non-nil.
(syms_of_xdisp) <composition-break-at-point>: New boolean variable.
(redisplay_internal, redisplay_window): Disable "just move the
cursor" optimizations when 'composition-break-at-point' is non-nil.
* src/keyboard.c (command_loop_1): Force redisplay when
'composition-break-at-point' is non-nil.
* lisp/cus-start.el (standard): Provide customization form for
'composition-break-at-point'.
* etc/NEWS: Announce the new feature.
* doc/emacs/xresources.texi (Table of Resources): Document new
value of `inputStyle'.
* etc/NEWS: Announce new option.
* lisp/cus-start.el (standard): Add `x-gtk-use-native-input'.
* src/gtkutil.c (xg_mark_data): Mark xg_pending_quit_event.
(xg_add_virtual_mods):
(xg_im_context_commit):
(xg_im_context_preedit_changed):
(xg_im_context_preedit_end):
(xg_widget_key_press_event_cb):
(xg_filter_key): New functions.
* src/gtkutil.h: Add prototype for `xg_filter_key'.
* src/xfns.c (xic_set_preeditarea): Set cursor location for the
GTK IM context as well.
* src/xterm.c (xg_pending_quit_event): New variable.
(x_focus_changed): Set focus on the GTK input context as well.
(x_filter_event): Filter events through GTK if the user asked
for it.
(handle_one_xevent): Likewise.
(XTread_socket): Set hold_quit to xg_pending_quit_event if it
exists.
(x_draw_window_cursor): Always set preedit area even if XIC
doesn't exist.
* src/xterm.h (struct x_display_info): New field
`prefer_native_input'.
(struct x_output): New field `im_context'.