tab-line-mode should not inform the user of an unexpected change
when enabling the mode if already enabled. For example, when
running (tab-line-mode 1) repeatedly (bug#68765).
* lisp/tab-line.el (tab-line-mode): Modify case when user is informed.
(tab-line-tabs-buffer-group-sort-function)
(tab-line-tabs-buffer-groups-sort-function): Turn defvar into defcustom.
Suggested by Gabriel do Nascimento Ribeiro <gabriel376@hotmail.com>.
(tab-line-tabs-buffer-group-name): Fall back to
'tab-line-tabs-buffer-group-by-mode' when
'tab-line-tabs-buffer-group-function' is nil (its previous default value).
(tab-line-tabs-fixed-window-buffers): Use :key for 'sort'.
Rename the window parameter 'tab-line-fixed-window-buffers'
to shorter 'tab-line-buffers'. Add '(tab-line-buffers . writable)
to window-persistent-parameters.
* lisp/tab-line.el (tab-line-new-button-functions): New variable.
(tab-line-tabs-function): Change the default value from
'tab-line-tabs-window-buffers' to the new option
'tab-line-tabs-fixed-window-buffers'.
(tab-line-tabs-buffer-group-sort-function): Change the default
value from nil to 'tab-line-tabs-buffer-group-sort-by-name'.
(tab-line-tabs-buffer-group-sort-by-name): New function.
(tab-line-tabs-fixed-window-buffers): New function.
(tab-line-format-template): Use 'tab-line-new-button-functions'.
(tab-line-mode-map, tab-line-switch-repeat-map): New keymaps.
* lisp/tab-line.el (tab-line-select-tab-buffer): Optimize.
(tab-line-switch-cycling): Enable by default like in tab-bar-mode.
(tab-line-switch-to-prev-tab, tab-line-switch-to-next-tab):
Add a prefix argument ARG and support it for switching tabs.
Improve docstring.
* lisp/tab-line.el (tab-line-tabs-buffer-group-function):
Turn defvar into defcustom with the default value
'tab-line-tabs-buffer-group-by-mode'.
(tab-line-tabs-buffer-group-by-mode): New function with body from
'tab-line-tabs-buffer-group-name'.
(tab-line-tabs-buffer-group-by-project): New function.
(tab-line-tabs-buffer-groups): Use fallback name "No group" instead of "All".
* lisp/tab-line.el (tab-line-select-tab-buffer)
(tab-line-switch-to-prev-tab, tab-line-switch-to-next-tab): Let-bind
switch-to-buffer-obey-display-actions to nil around the call to
switch-to-buffer to restrain buffer switching in bounds of
the same window only (bug#69993).
* lisp/tab-bar.el (tab-bar--load-buttons):
Add "symbols/plus_16.svg" to tab-bar-new.
Add "symbols/cross_16.svg" to tab-bar-close.
Add "symbols/menu_16.svg" to tab-bar-menu-bar.
(tab-bar-tab-name-format-default): Use 'add-face-text-property'.
(tab-bar-history-mode):
Add "symbols/chevron_left_16.svg" to tab-bar-back.
Add "symbols/chevron_right_16.svg" to tab-bar-forward.
* lisp/tab-line.el (tab-line-new): New icon with "symbols/plus_16.svg".
(tab-line-new-button): Use it with nil rear-nonsticky.
(tab-line-close): New icon with "symbols/cross_16.svg".
(tab-line-close-button): Use it with nil rear-nonsticky.
(tab-line-left): New icon with "symbols/chevron_left_16.svg".
(tab-line-left-button): Use it with nil rear-nonsticky.
(tab-line-right): New icon with "symbols/chevron_right_16.svg".
(tab-line-right-button): Use it with nil rear-nonsticky.
(tab-line-tab-name-format-default): Use 'add-face-text-property'.
(tab-line-auto-hscroll): Append the face in 'add-face-text-property'.
* doc/emacs/frames.texi (Tab Bars): Explain how to interact with
the tab bar from a touch screen.
* doc/emacs/input.texi (Touchscreens): Document exactly what a
``long press'' is.
* doc/emacs/windows.texi (Tab Line): Likewise.
* lisp/tab-line.el (tab-line-tab-map, tab-line-add-map)
(tab-line-tab-close-map, tab-line-left-map, tab-line-right-map):
Bind `touchscreen-begin' to each command.
(tab-line-track-tap, tab-line-event-start): New functions.
(tab-line-hscroll-right, tab-line-hscroll-left, tab-line-new-tab)
(tab-line-select-tab, tab-line-close-tab): Use them.
* lisp/tab-bar.el (tab-bar-separator)
(tab-bar-format-align-right, tab-bar-auto-width):
* lisp/tab-line.el (tab-line-format-template): Replace the variable
'window-system' with the function call '(window-system)'.
Recently 'mode-line-window-selected-p' was added to
'tab-line-tab-name-format-default'. Now add the same to another
place that handles the face 'tab-line-tab-current' (bug#53629).
* lisp/tab-line.el (tab-line-tab-name-format-default):
Use the recently added function 'mode-line-window-selected-p'
for the face 'tab-line-tab-current' (bug#53629).
(tab-line--get-tab-property, tab-line-auto-hscroll): Use get-pos-property
instead of get-text-property that fails after previous-single-property-change.
(tab-line-auto-hscroll): Use ‘tab-line--get-tab-property’ instead of
‘get-pos-property 1’, and ‘get-text-property’ instead of
‘get-pos-property’.
(tab-line-select-tab, tab-line-close-tab): Use tab-line--get-tab-property.
* lisp/tab-line.el (tab-line-switch-to-prev-tab, tab-line-switch-to-next-tab):
Remove tabs that aren't associated with a buffer, such as the `group-tab' that
exists when `tab-line-tabs-function' is `tab-line-tabs-buffer-groups'.
Copyright-paperwork-exempt: yes
* lisp/tab-line.el (tab-line-tab-current): Don't inherit face from
'tab-line-tab' to not inherit the face attribute :height from 'tab-line',
because :height of mouse-face is added to the base face.
Copy here most of the parent face attributes (bug#50798).
