These are basic faces, so they need to be defined in
faces.el, otherwise (get 'tab-line 'face) returns 0.
* lisp/faces.el (tab-bar, tab-line): Move faces here
from tab-bar.el and tab-line.el.
* lisp/tab-bar.el (tab-bar): Move face to faces.el.
(tab-bar-faces): Add '((tab-bar custom-face))
to the second arg MEMBERS of 'defgroup'.
* lisp/tab-line.el (tab-line): Move face to faces.el.
(tab-line-faces): Add '((tab-line custom-face))
to the second arg MEMBERS of 'defgroup'.
* lisp/tab-line.el (tab-line-format-template): Use tab-line-new-button-show.
(tab-line-new-tab-choice): Remove choice 'nil' with "No button".
(tab-line-separator): Add docstring.
* lisp/tab-line.el (tab-line-format): Use buffer-name in the cache key
instead of just buffer object to invalidate the cache on buffer renaming.
(tab-line-format-template): Always leave the separator after the last tab
like tab-bar.el already does.
Distinguish offsets between manual-vs-automatic scrolling
as integers-vs-floats instead of positive-vs-negative integers.
* lisp/tab-line.el (tab-line-format-template): Use 'numberp'
instead of 'integerp', and 'truncate' instead of 'abs'.
(tab-line-format): When the window-buffer was updated, set window-parameter
to float to enable auto-hscroll after it was disabled on manual scrolling.
(tab-line-auto-hscroll-buffer): New variable with internal buffer.
(tab-line-auto-hscroll): Erase in tab-line-auto-hscroll-buffer.
Use 'numberp' instead of 'integerp', 'truncate' instead of 'abs',
and 'float' instead of '-'.
(tab-line-hscroll): Use 'numberp' instead of 'integerp',
and 'truncate' instead of 'abs'.
* lisp/tab-bar.el (tab-bar-tab-name-ellipsis): Use shorter name
instead of tab-bar-tab-name-truncated-ellipsis.
(tab-bar-new-tab-to) <defcustom>: Add 'function' option.
(tab-bar-new-tab-to) <function>: Use it.
* lisp/tab-line.el (tab-line-close-tab): Add missing arg 'tab' to
tab-line-close-tab-function funcall.
* lisp/tab-line.el (tab-line-tab-name-truncated-max): New defcustom.
(tab-line-tab-name-truncated-buffer): Use tab-line-tab-name-truncated-max
consistently with similar options in tab-bar.el.
(tab-line-tabs-limit): Remove variable.
(tab-line-tabs-window-buffers): Remove use of tab-line-tabs-limit
that was an experimental feature before horizontal scrolling was implemented.
(tab-line-close-tab-function): Rename from tab-line-close-tab-action
and allow a customizaed function as option.
(tab-line-close-tab): Call function if tab-line-close-tab-function
is customized to a function.
* lisp/tab-bar.el (tab-bar-tab-name-function): Add option
tab-bar-tab-name-truncated.
(tab-bar-tab-name-truncated-max): New defcustom.
(tab-bar-tab-name-truncated-ellipsis): New variable.
(tab-bar-tab-name-truncated): New function.
* src/term.c (handle_one_term_event): Call tty_handle_tab_bar_click.
* src/xdisp.c (tty_handle_tab_bar_click): Force reset of up_modifier bit
from the event modifiers.
* lisp/tab-line.el (tab-line-tab-current): No need to use inverse-video
on console/xterm because the selected tab already uses inverse-video.
Better handling of tabs scrolled to the left.
Don't scroll tabs that are already visible.
Remove setq of buffer-undo-list because undo is disabled
anyway in internal buffers with name " *temp*".
Use setq to set buffer-local values of truncate-lines and buffer-undo-list.
This will prevent leaking of let-bound values to buffer-local values
of the minibuffer.
(tab-line-tabs-buffer-list): New function.
(tab-line-tabs-mode-buffers, tab-line-tabs-buffer-groups):
Call tab-line-tabs-mode-buffers.
(tab-line-tabs-buffer-groups): Add 'close' function that uses
kill-buffer instead of bury-buffer that makes no sense here.
(tab-line-format): Don't show the close button when a tab
has no 'close' function or buffer.
(tab-line-switch-to-prev-tab, tab-line-switch-to-next-tab):
Support tabs with 'buffer' properties.
(tab-line-close-tab): Call 'close' function when defined.
* lisp/tab-line.el (tab-line-tabs-buffer-group-function)
(tab-line-tabs-buffer-group-sort-function)
(tab-line-tabs-buffer-groups-sort-function): New defvars.
(tab-line-tabs-buffer-group-name): Rename from
tab-line-tabs-buffer-groups--name and use tab-line-tabs-buffer-group-function.
(tab-line-tabs-buffer-groups): Use tab-line-tabs-buffer-groups-sort-function
and tab-line-tabs-buffer-group-sort-function.
(tab-line-new-tab): Let bind tab-line-tabs-buffer-groups to
mouse-buffer-menu-mode-groups.
* lisp/tab-line.el (tab-line-tabs-function): Add option
tab-line-tabs-buffer-groups.
(tab-line-tabs-buffer-groups): New defvar defaulted to
mouse-buffer-menu-mode-groups.
(tab-line-tabs-buffer-groups--name, tab-line-tabs-buffer-groups):
New functions.
(tab-line-format): Support tabs in the format '(tab (name . "name") ...)'.
(tab-line-select-tab): Move part of code to tab-line-select-tab-buffer.
(tab-line-select-tab-buffer): New function.
(tab-line-tab-current): Rename from tab-line-tab-selected.
* lisp/tab-line.el (tab-line-tabs-function): Turn defvar into defcustom
with default of tab-line-tabs-window-buffers.
(tab-line-tabs-mode-buffers): New function.
(tab-line-tabs-window-buffers): Rename from tab-line-tabs.
(tab-line-select-tab, tab-line-switch-to-prev-tab)
(tab-line-switch-to-next-tab): Handle the value tab-line-tabs-window-buffers
of tab-line-tabs-function specially.
(tab-line-mode): Rename from global-tab-line-mode and change scope
to buffer-local.
(global-tab-line-mode): New globalized-minor-mode.
(tab-line-mode--turn-on): New function.
(tab-line-exclude-modes): New defcustom.
(tab-line-exclude): New buffer-local variable.
https://lists.gnu.org/archive/html/emacs-devel/2019-10/msg00988.html
* lisp/dired.el (dired-mark-pop-up): Set tab-line-exclude to nil.
Don't set tab-line-format. (Bug#37699)
* lisp/speedbar.el (speedbar-mode): Set tab-line-exclude to nil.
Don't set tab-line-format.
* etc/images/tabs/left-arrow.xpm:
* etc/images/tabs/right-arrow.xpm: New images.
* lisp/tab-line.el (tab-line-left-map, tab-line-right-map): New keymaps.
(tab-line-left-button, tab-line-right-button): New variables.
(tab-line-tab-name-function): Turn defvar into defcustom.
(tab-line-tab-name-buffer): New function.
(tab-line-tab-name-truncated-buffer): Rename from tab-line-tab-name.
(tab-line-tabs-limit): Default to nil.
(tab-line-tabs): Behavior depends on tab-line-tabs-limit.
(tab-line-format): Use window-parameter tab-line-hscroll.
Add left/right buttons.
(tab-line-hscroll): New function.
(tab-line-hscroll-right, tab-line-hscroll-left): New commands
bound to mouse-wheel. Rebind tab-switching commands to mouse-wheel
with Ctrl-modifier.
* lisp/tab-line.el: Bind mouse-4/mouse-5, wheel-up/wheel-down
globally to [tab-line].
(tab-line-tab-map): Remove local bindings of mouse-4/mouse-5.
(tab-line-new-tab, tab-line-switch-to-prev-tab)
(tab-line-switch-to-next-tab, tab-line-close-tab):
Turn commands into mouse-free (can be used without mouse).
* lisp/tab-bar.el (tab-bar-close-current-tab, tab-bar-close-tab):
(tab-bar-new-tab): Use tab-bar-show.
* doc/emacs/frames.texi (Tab Bars): Add tab-bar-show.
* lisp/speedbar.el (speedbar-mode): Set buffer-local tab-bar-mode
and tab-line-format to nil to not show in dedicated speedbar frame.
* lisp/tab-bar.el (tab-bar-new-tab-choice)
(tab-bar-close-button-show): New defcustoms.
(tab-bar-tab-name-function): New defvar.
* lisp/tab-line.el (tab-line-new-tab-choice)
(tab-line-close-button-show): New defcustoms.
* etc/images/tabs/new.xpm:
* etc/images/tabs/close.xpm:
New files.
* lisp/tab-bar.el (tab-bar-separator): New face.
(tab-bar-separator, tab-bar-button-new, tab-bar-button-close):
Use display property with images in default values.
* lisp/tab-line.el (tab-line-button-new, tab-line-button-close):
Use display property with images in default values.
* src/xdisp.c (tab_bar_item_info): Add new arg close_p and set it
to the value of property `close' at charpos.
(get_tab_bar_item): Add new arg close_p.
(handle_tab_bar_click): Add ctrl_modifier when close_p is non-nil.
(Fdump_tab_bar_row): Fix crash for non-X builds.
* lisp/tab-bar.el (tab-bar-make-keymap-1):
* lisp/tab-line.el (tab-line-tab-name-add):
Add space after Unicode char to avoid char clobbering on terminals.
