2023-08-07 Po Lu <luangruo@yahoo.com>

* nt/mingw-cfg.site: Remove additions for Gnulib printf.

* m4, lib: Update from Gnulib.

* msdos/sedlibmk.inp: Remove variables deleted as part of previous

change.

* admin/merge-gnulib (GNULIB_MODULES): Remove vasprintf and

printf-posix.

2023-08-06 Po Lu <luangruo@yahoo.com>

* java/org/gnu/emacs/EmacsService.java (readDirectoryEntry): Fix

potential NULL dereference.

* java/org/gnu/emacs/EmacsSafThread.java (openDocument1): If

initially opening with rwt, verify the file descriptor is really

writable; if not, resort to rw and truncating the file descriptor

by hand instead.

* src/androidvfs.c (NATIVE_NAME (ftruncate)): New function.

Truncate file descriptor and return whether that was successful.

* src/androidvfs.c (android_saf_tree_chmod): Repair file access

permissions allowed within FLAGS.

2023-08-05 Po Lu <luangruo@yahoo.com>

* doc/lispref/commands.texi (Touchscreen Events): Fix typo.

* lisp/subr.el (y-or-n-p): Don't call set-text-conversion-style

when not present.

2023-08-04 Po Lu <luangruo@yahoo.com>

* ChangeLog.android: New file.

2023-08-04 Po Lu <luangruo@yahoo.com>

* src/androidvfs.c (android_verify_jni_string): Move to

android.c.

* src/android.c (android_verify_jni_string): New function.

(android_build_string): Forgo encoding menu text if TEXT is a

multibyte string that's also a valid JNI string.

* src/android.h: Update prototypes.

* java/org/gnu/emacs/EmacsService.java (getDocumentTrees): Don't

encode some characters that need not be escaped within file

names.

2023-08-03 Po Lu <luangruo@yahoo.com>

* src/fileio.c (check_vfs_filename): Revert earlier change.

* src/android.h: Update prototypes.

* src/androidvfs.c (unix_vfs_ops, android_unix_chmod, afs_vfs_ops)

(android_afs_chmod, content_vfs_ops, android_content_chmod)

(authority_vfs_ops, android_authority_chmod, saf_root_vfs_ops)

(android_saf_root_chmod, saf_tree_vfs_ops, android_saf_tree_chmod)

(saf_file_vfs_ops, saf_new_vfs_ops, android_saf_new_chmod)

(root_vfs_ops): Add `chmod' to the list of functions implemented

by each vnode.

(android_fchmodat): New function.

* src/fileio.c (Fset_file_modes): Use `emacs_fchmodat'.

* src/lisp.h:

* src/sysdep.c (emacs_fchmodat): Delegate to android_fchmodat on

Android.

* java/org/gnu/emacs/EmacsSafThread.java (CacheToplevel)

(EmacsSafThread, DocIdEntry, getCache, pruneCache)

(cacheDirectoryFromCursor, run, documentIdFromName1)

(statDocument1, openDocumentDirectory1, openDocument1): Introduce

a file status cache and populate it with files within directories

as they are opened.

* java/org/gnu/emacs/EmacsService.java (createDocument)

(createDirectory, moveDocument): Invalidate the file status cache

wherever needed.

* src/fileio.c (check_vfs_filename):

(Fset_file_modes): Permit `set-file-modes' to silently fail

on asset and content files.

2023-08-02 Po Lu <luangruo@yahoo.com>

* doc/emacs/android.texi (Android, What is Android?)

(Android Startup, Android File System, Android Environment)

(Android Windowing, Android Fonts, Android Troubleshooting):

Improve section titles.

(Android Windowing): Describe the relation between keyboard

modifiers reported by Android and those in key events.

* java/org/gnu/emacs/EmacsWindow.java (onKeyDown, onKeyUp):

Clear META_SYM_ON and META_META_MASK when retrieving ASCII

characters.

* src/androidgui.h: Add ANDROID_META_MASK.

* src/androidterm.c (android_android_to_emacs_modifiers)

(android_emacs_to_android_modifiers): Transform META to Alt, and

vice versa.

2023-08-01 Po Lu <luangruo@yahoo.com>

* doc/emacs/android.texi (Android File System): Describe how to

access real files named /assets or /contents if so required.

* java/org/gnu/emacs/EmacsService.java (validAuthority):

* src/android.c (android_init_emacs_service):

* src/android.h: New function.

* src/androidvfs.c (android_saf_valid_authority_p): New

function. Wrap the Java function.

(android_saf_root_stat, android_saf_root_access): Don't return

success if no authority by vp->authority's name exists.

(android_saf_tree_from_name): Check validity of string data

before giving it to JNI.

* src/sfnt.c (CHECK_STACK_AVAILABLE): New macro.

(PUSH, PUSH_UNCHECKED): Always define to unchecked versions,

even if TEST.

(PUSH2_UNCHECKED): New macro.

(NPUSHB, NPUSHW, PUSHB, PUSHW): Check the number of remaining

stack elements once.

(stack_overflow_test_args): Expect zero stack arguments.

* src/android.c (ANDROID_THROW): Remove unused macro.

2023-07-31 Po Lu <luangruo@yahoo.com>

* src/sfnt.c (ISECT): Micro-optimize this instruction.

* src/sfntfont.c (sfnt_parse_style): Avoid GC safety problem.

(sfnt_parse_style): Fix misworded commentary.

* java/org/gnu/emacs/EmacsNative.java (EmacsNative):

* java/org/gnu/emacs/EmacsNoninteractive.java (main):

* java/org/gnu/emacs/EmacsService.java (run):

* java/org/gnu/emacs/EmacsThread.java (run):

* src/android.c (initEmacs, setEmacsParams): Set

`android_api_level' within setEmacsParams, not in initEmacs.

* src/androidvfs.c: Pacify compiler warnings.

* java/org/gnu/emacs/EmacsService.java (renameDocument): Don't

catch UnsupportedOperationException; handle ENOSYS in

android_saf_rename_document instead.

(moveDocument): New function.

* lisp/subr.el (y-or-n-p): Always change the text conversion

style.

* src/android.c (android_init_emacs_service)

(android_exception_check_4): New function.

* src/android.h: Update Java function table.

* src/androidvfs.c (android_saf_rename_document): Handle ENOSYS

here by setting errno to EXDEV.

(android_saf_move_document): New function.

(android_document_id_from_name): Take const `dir_name'.

(android_saf_tree_rename): Use delete-move-rename to implement

cross-directory renames.

2023-07-30 Po Lu <luangruo@yahoo.com>

* java/org/gnu/emacs/EmacsSafThread.java

(postInvalidateCacheDir):

* java/org/gnu/emacs/EmacsService.java (renameDocument): New

functions.

* src/android.c (android_init_emacs_service):

* src/android.h (struct android_emacs_service): Link to new JNI

function.

* src/androidvfs.c (android_saf_rename_document): New function.

(android_saf_tree_rename): Implement in terms of that function

if possible.

2023-07-29 Po Lu <luangruo@yahoo.com>

* java/org/gnu/emacs/EmacsSafThread.java (statDocument1):

* src/androidvfs.c (android_afs_stat, android_content_stat)

(android_saf_root_stat): Report search permissions for files.

* src/androidvfs.c: Improve commentary.

2023-07-29 Po Lu <luangruo@yahoo.com>

* java/org/gnu/emacs/EmacsSafThread.java (postInvalidateCache):

New argument cacheName. Remove that file from the cache.

(accessDocument1): Consult the storage cache as well.

* java/org/gnu/emacs/EmacsService.java (deleteDocument): New

argument NAME.

* src/android.c (android_init_emacs_service): Add new argument.

* src/androidvfs.c (android_saf_delete_document)

(android_saf_tree_rmdir, android_saf_file_unlink): Pass name of

file being deleted to `deleteDocument'.

2023-07-29 Po Lu <luangruo@yahoo.com>

* src/androidvfs.c (android_saf_exception_check): Describe

exceptions earlier.

* java/org/gnu/emacs/EmacsSafThread.java (DocIdEntry)

(getCacheEntry, CacheEntry, documentIdFromName1): Fix earlier

change.

* java/org/gnu/emacs/EmacsSafThread.java (DocIdEntry)

(getCacheEntry, CacheEntry): Use `uptimeMillis' as the basis for

cache expiration.

* java/org/gnu/emacs/EmacsSafThread.java (EmacsSafThread, getCache)

(pruneCache1, pruneCache, cacheChild, cacheDirectoryFromCursor)

(documentIdFromName1, openDocumentDirectory1): Implement the

cache referred to by the commentary.

* java/org/gnu/emacs/EmacsService.java (deleteDocument):

Invalidate the cache upon document removal.

* src/androidvfs.c (android_saf_exception_check)

(android_document_id_from_name): Correctly preserve or set errno

in error cases.

2023-07-28 Po Lu <luangruo@yahoo.com>

* java/org/gnu/emacs/EmacsSafThread.java (documentIdFromName1):

Fix query argument placeholder string.

* src/androidvfs.c (android_document_id_from_name): Don't return

0 if an SAF exception occurs.

* src/androidselect.c (Fandroid_get_clipboard): Don't return

data if clipboard is empty. Reported by Johan Widén

<j.e.widen@gmail.com>.

2023-07-28 Po Lu <luangruo@yahoo.com>

* doc/emacs/android.texi (Android Document Providers): Say that

quitting is now possible.

* java/org/gnu/emacs/EmacsNative.java (EmacsNative): New

functions `safSyncAndReadInput', `safync' and `safPostRequest'.

* java/org/gnu/emacs/EmacsSafThread.java: New file. Move

cancel-able SAF operations here.

* java/org/gnu/emacs/EmacsService.java (EmacsService): Allow

quitting from most SAF operations.

* src/androidvfs.c (android_saf_exception_check): Return EINTR if

OperationCanceledException is received.

(android_saf_stat, android_saf_access)

(android_document_id_from_name, android_saf_tree_opendir_1)

(android_saf_file_open): Don't allow reentrant calls from async

input handlers.

(NATIVE_NAME): Implement new synchronization primitives for JNI.

(android_vfs_init): Initialize new class.

* src/dired.c (open_directory): Handle EINTR from opendir.

* src/sysdep.c: Describe which operations may return EINTR on

Android.

2023-07-28 Po Lu <luangruo@yahoo.com>

* java/org/gnu/emacs/EmacsDirectoryEntry.java

(EmacsDirectoryEntry): Make class final.

* java/org/gnu/emacs/EmacsService.java (accessDocument)

(openDocumentDirectory, openDocument, createDocument): Throw

access and IO error exceptions instead of catching them.

(createDirectory, deleteDocument): New functions.

* src/android.c (android_init_emacs_service): Add new functions.

* src/android.h (struct android_emacs_service): Likewise.

* src/androidvfs.c (android_saf_exception_check): New function.

Translate between Java exceptions and errno values.

(android_saf_stat, android_saf_access, android_saf_delete_document)

(struct android_saf_tree_vnode, android_document_id_from_name)

(android_saf_tree_name, android_saf_tree_rmdir)

(android_saf_tree_opendir_1, android_saf_tree_opendir)

(android_saf_file_open, android_saf_file_unlink)

(android_saf_new_open, android_saf_new_mkdir): Implement missing

VFS operations and derive errno values from the type of any

exceptions thrown.

(android_vfs_init): Initialize exception classes.

(android_mkdir, android_fstat): Remove trailing whitespace.

2023-07-27 Po Lu <luangruo@yahoo.com>

* doc/emacs/android.texi (Android Document Providers): Improve

wording of paragraph clarifying limits on subprocesses.

* java/org/gnu/emacs/EmacsService.java (getDocumentTrees): Use

Java standard US-ASCII coding standard instead of the

undocumented ``ASCII'' alias.

(decodeFileName): Remove unused function.

(documentIdFromName):

* src/android.c (android_init_emacs_service): Take a String for

NAME instead of a byte array.

* src/androidvfs.c (android_verify_jni_string): New function.

(android_document_id_from_name): Verify that STRING is a valid

Modified UTF-8 string.

* src/androidvfs.c (android_afs_initial)

(android_content_get_directory_name, android_saf_tree_name)

(android_saf_tree_from_name, android_vfs_init): Silence compiler

warnings.

* src/android.c (android_run_in_emacs_thread): Behave more

robustly if SIGIO arrives too late Emacs for Emacs to check for

signals, but too early to preempt a long running syscall.

* java/org/gnu/emacs/EmacsActivity.java (onActivityResult):

* src/androidvfs.c (android_renameat_noreplace, android_rename):

Free vdst using vdst->ops, not vp->ops.

2023-07-27 Po Lu <luangruo@yahoo.com>

* configure.ac (ANDROID_STUBIFY): Add androidvfs.o when building

libemacs.so.

* doc/emacs/android.texi (Android): Add `Android Document

Providers'.

(Android Startup): Update the location of the content identifier

directory.

(Android File System): Describe access to document provider

directories.

(Android Document Providers): New node.

* doc/emacs/emacs.texi (Top): Update the menu for the Android

appendix.

* java/Makefile.in (filename, install_temp/assets/build_info):

Make directory-tree depend on build_info.

* java/org/gnu/emacs/EmacsActivity.java (onActivityResult): New

function. When a document tree is accepted, persist access to it.

* java/org/gnu/emacs/EmacsDirectoryEntry.java

(EmacsDirectoryEntry): New struct.

* java/org/gnu/emacs/EmacsOpenActivity.java (checkReadableOrCopy):

Use EmacsService.buildContentName.

* java/org/gnu/emacs/EmacsService.java (getEmacsView)

(openContentUri)

(checkContentUri): Remove excessive debug logging.

(buildContentName, getDocumentAuthorities, requestDirectoryAccess)

(getDocumentTrees, decodeFileName, documentIdFromName, getTreeUri)

(statDocument, accessDocument, openDocumentDirectory)

(readDirectoryEntry)

(openDocument, createDocument): New functions.

* lib-src/asset-directory-tool.c: Improve commentary by

illustrating the difference between directory and ordinary files.

* src/android.c (ANDROID_THROW, enum android_fd_table_entry_flags)

(struct android_emacs_service, android_extract_long)

(android_scan_directory_tree, android_is_directory)

(android_get_asset_name, android_url_encode)

(android_content_name_p)

(android_get_content_name, android_check_content_access)

(android_fstat)

(android_fstatat, android_file_access_p)

(android_hack_asset_fd_fallback)

(android_detect_ashmem, android_hack_asset_fd)

(android_close_on_exec)

(android_open, android_close, android_fclose)

(android_create_lib_link)

(android_faccessat, struct android_dir, android_opendir)

(android_dirfd)

(android_readdir, android_closedir)

(android_lookup_asset_directory_fd)

(android_exception_check_3, android_get_current_api_level)

(android_open_asset, android_close_asset, android_asset_read_quit)

(android_asset_read, android_asset_lseek, android_asset_fstat):

Move content and asset related functions to androidvfs.c.

(android_init_emacs_service): Obtain handles for new JNI

functions.

(initEmacsParams): Initialize the VFS layer.

(android_request_directory_access): New function.

(android_display_toast): Remove unused function.

* src/android.h (android_get_current_api_level): Assume that

this function never returns less than __ANDROID_API__.

(struct android_emacs_service): Move `struct

android_emacs_service' here.

* src/androidfns.c (Fandroid_request_directory_access): New

interactive function.

(syms_of_androidfns): Register new subr.

* src/androidvfs.c (struct android_vdir, struct android_vops)

(struct android_vnode, struct android_special_vnode)

(enum android_vnode_type, struct android_cursor_class)

(struct emacs_directory_entry_class)

(struct android_parcel_file_descriptor_class)

(android_init_cursor_class, android_init_entry_class)

(android_init_fd_class, android_vfs_canonicalize_name)

(struct android_unix_vnode, struct android_unix_vdir)

(unix_vfs_ops)

(android_unix_name, android_unix_vnode, android_unix_open)

(android_unix_close, android_unix_unlink, android_unix_symlink)

(android_unix_rmdir, android_unix_rename, android_unix_stat)

(android_unix_access, android_unix_mkdir, android_unix_readdir)

(android_unix_closedir, android_unix_dirfd, android_unix_opendir)

(android_extract_long, android_scan_directory_tree)

(android_is_directory, android_init_assets)

(android_hack_asset_fd_fallback, android_detect_ashmem)

(android_hack_asset_fd, struct android_afs_vnode)

(struct android_afs_vdir, struct android_afs_open_fd, afs_vfs_ops)

(android_afs_name, android_afs_initial, android_close_on_exec)

(android_afs_open, android_afs_close, android_afs_unlink)

(android_afs_symlink, android_afs_rmdir, android_afs_rename)

(android_afs_stat, android_afs_access, android_afs_mkdir)

(android_afs_readdir, android_afs_closedir, android_afs_dirfd)

(android_afs_opendir, android_afs_get_directory_name)

(struct android_content_vdir, content_vfs_ops)

(content_directory_contents, android_content_name)

(android_content_open, android_content_close)

(android_content_unlink, android_content_symlink)

(android_content_rmdir, android_content_rename)

(android_content_stat, android_content_access)

(android_content_mkdir, android_content_readdir)

(android_content_closedir, android_content_dirfd)

(android_content_opendir, android_content_get_directory_name)

(android_content_initial, android_get_content_name)

(android_check_content_access, struct android_authority_vnode)

(authority_vfs_ops, android_authority_name)

(android_authority_open)

(android_authority_close, android_authority_unlink)

(android_authority_symlink, android_authority_rmdir)

(android_authority_rename, android_authority_stat)

(android_authority_access, android_authority_mkdir)

(android_authority_opendir, android_authority_initial)

(struct android_saf_root_vnode, struct android_saf_root_vdir)

(saf_root_vfs_ops, android_saf_root_name, android_saf_root_open)

(android_saf_root_close, android_saf_root_unlink)

(android_saf_root_symlink, android_saf_root_rmdir)

(android_saf_root_rename, android_saf_root_stat)

(androqid_saf_root_access, android_saf_root_mkdir)

(android_saf_root_readdir, android_saf_root_closedir)

(android_saf_root_dirfd, android_saf_root_opendir)

(android_saf_root_initial, android_saf_root_get_directory)

(android_saf_stat, android_saf_access)

(struct android_saf_tree_vnode, struct android_saf_tree_vdir)

(saf_tree_vfs_ops, android_document_id_from_name)

(android_saf_tree_name, android_saf_tree_open)

(android_saf_tree_close, android_saf_tree_unlink)

(android_saf_tree_symlink, android_saf_tree_rmdir)

(android_saf_tree_rename, android_saf_tree_stat)

(android_saf_tree_access, android_saf_tree_mkdir)

(android_saf_tree_opendir_1, android_saf_tree_readdir)

(android_saf_tree_closedir, android_saf_tree_dirfd)

(android_saf_tree_opendir, android_saf_tree_from_name)

(android_saf_tree_get_directory, android_saf_file_vnode)

(saf_file_vfs_ops, android_saf_file_name, android_saf_file_open)

(android_saf_file_unlink, android_saf_file_rmdir)

(android_saf_file_opendir, android_close_parcel_fd)

(android_saf_new_vnode, android_saf_new_name)

(android_saf_new_open)

(android_saf_new_unlink, android_saf_new_symlink)

(android_saf_new_rmdir, android_saf_new_rename)

(android_saf_new_stat, android_saf_new_access)

(android_saf_new_mkdir, android_saf_new_opendir, root_vfs_ops)

(special_vnodes, android_root_name, android_name_file)

(android_vfs_init, android_open, android_unlink, android_symlink)

(android_rmdir, android_mkdir, android_renameat_noreplace)

(android_rename, android_fstat, android_fstatat_1)

(android_fstatat)

(android_faccessat, android_fdopen, android_close, android_fclose)

(android_open_asset, android_close_asset, android_asset_read_quit)

(android_asset_read, android_asset_lseek, android_asset_fstat)

(android_opendir, android_dirfd, android_readdir)

(android_closedir): Move file system emulation routines here.

Introduce a new ``VFS'' layer for translating between

Emacs-specific file names and the various disparate interfaces

for accessing files on Android.

* src/callproc.c (delete_temp_file):

* src/charset.c (load_charset_map_from_file):

* src/dired.c:

* src/emacs.c (Fkill_emacs):

* src/fileio.c (check_mutable_filename, Fcopy_file)

(Fmake_directory_internal, Fdelete_directory_internal)

(Fdelete_file, Frename_file, Fadd_name_to_file)

(Fmake_symbolic_link, file_accessible_directory_p)

(Fset_file_modes)

(Fset_file_times, write_region):

* src/filelock.c (get_boot_time, rename_lock_file)

(create_lock_file, current_lock_owner, unlock_file):

* src/image.c (slurp_file, png_load_body, jpeg_load_body):

* src/keyboard.c (Fopen_dribble_file):

* src/lisp.h:

* src/lread.c (Fload):

* src/process.c (handle_child_signal):

* src/sysdep.c (init_standard_fds, emacs_fopen, emacs_fdopen)

(emacs_unlink, emacs_symlink, emacs_rmdir, emacs_mkdir)

(emacs_renameat_noreplace, emacs_rename):

* src/term.c (Fresume_tty, init_tty): Use and add new wrappers

for fopen, fdopen, unlink, symlink, rmdir, mkdir,

renameat_norepalce and rename.

2023-07-23 Po Lu <luangruo@yahoo.com>

* doc/emacs/android.texi (Android File System): Document where the

app library directory can probably be found.

* src/android.c (android_create_lib_link): New function. Try to

symlink `lib' in the directory holding the files directory to the

app library directory.

(setEmacsParams): Call that function if Emacs is being initialized

from an application context.

2023-07-22 Po Lu <luangruo@yahoo.com>

* lisp/touch-screen.el (touch-screen-drag): If

touch-screen-word-select, also keep the initial word within the

region while scrolling.

* src/window.h (WINDOW_MENU_BAR_P): Check for external menu bars

using HAVE_WINDOW_SYSTEM && HAVE_EXT_MENU_BAR instead of hard

coding X without Xt or GTK.

* doc/lispref/commands.texi (Key Sequence Input): Describe which

events receive imaginary prefix keys.

* lisp/touch-screen.el (touch-screen-translate-touch): Consider

`vertical-line' a virtual function key.

(function-key-map): Translate events on vertical window borders.

* etc/NEWS: Announce `current-key-remap-sequence'.

* src/androidfns.c (Fx_create_frame): Default

Qvertical_scroll_bars to Qnil, but set scroll-bar-width and

scroll-bar-height.

2023-07-21 Po Lu <luangruo@yahoo.com>

* doc/lispref/commands.texi (Key Sequence Input): Document new

argument to `read-key-sequence' etc.

* lisp/help-macro.el (make-help-screen):

* lisp/subr.el (read-key, read-char-choice-with-read-key): Disable

text conversion and display the OSK before reading a key sequence.

* lisp/touch-screen.el (touch-screen-window-selection-changed):

Only cancel the minibuffer OSK timer.

(touch-screen-handle-point-up): Update comment accordingly.

* src/keyboard.c (command_loop_1, read_menu_command)

(read_key_sequence, read_key_sequence_vs, Fread_key_sequence)

(Fread_key_sequence_vector): New arg DISABLE_TEXT_CONVERSION.

All callers changed.

* lisp/touch-screen.el (touch-screen-translate-touch): Check if a

prefix is specified separately from prefix being non-nil. Accept

`nil' as an imaginary prefix key.

(function-key-map): Register translation functions on the tab bar,

tab lines and internal border.

* lisp/touch-screen.el (touch-screen-preview-select): Avoid

unnecessary redisplays.

(touch-screen-drag): Scroll at window margins using window

scrolling functions instead of relying on redisplay to recenter

the window around point.

* doc/emacs/input.texi (Touchscreens): Document

`touch-screen-preview-select'.

* doc/lispref/commands.texi (Touchscreen Events): Fix typo in the

descriptions of two touch screen events.

* lisp/dired.el (dired-insert-set-properties): Adjust for changes

to file end computation.

* lisp/minibuffer.el (clear-minibuffer-message): Don't clear

minibuffer message if dragging.

* lisp/touch-screen.el (touch-screen-current-tool): Fix doc

string.

(touch-screen-preview-select): New function.

(touch-screen-drag): Call it if point changes.

2023-07-20 Po Lu <luangruo@yahoo.com>

* exec/trace.c (handle_readlinkat): Adjust commentary to match

behavior.

* src/android.c (android_get_keysym_name): NULL terminate

*NAME_RETURN.

* lisp/international/mule-cmds.el (set-coding-system-map): Don't

display `set-terminal-coding-system' on Android.

* lisp/cus-edit.el (custom-display): Add `android' display type.

* src/android.c (struct android_event_queue): Don't make

unnecessarily volatile.

* lisp/touch-screen.el (touch-screen-handle-touch): Don't restart

dragging if point is at ZV and the tap falls on a different row.

* java/org/gnu/emacs/EmacsContextMenu.java (EmacsContextMenu): New

field `title'.

(addSubmenu): New arg TITLE. Set that field.

(expandTo): Set MENU's header title if it's a context menu.

* src/androidmenu.c (android_init_emacs_context_menu): Adjust

signature of `createContextMenu'.

(android_menu_show): Use TITLE instead of pane titles if there's

only one pane.

* doc/emacs/dired.texi (Marks vs Flags): Document command bound

to `touchscreen-hold'.

* doc/lispref/commands.texi (Touchscreen Events): Describe

`touch-screen-inhibit-drag'.

* etc/NEWS: Improve description of changes to touch screen

support.

* lisp/dired-aux.el (dired-do-chxxx, dired-do-chmod)

(dired-do-print, dired-do-shell-command, dired-do-compress-to)

(dired-do-create-files, dired-do-rename, dired-do-isearch)

(dired-do-isearch-regexp, dired-do-search)

(dired-do-query-replace-regexp, dired-do-find-regexp)

(dired-vc-next-action): Disable ``click to select'' after

running this command.

* lisp/dired.el (dired-insert-set-properties): Attach

click-to-select keymap to file names if necessary.

(dired-mode-map): Bind `touchscreen-hold' to click to select

mode.

(dired-post-do-command): New function.

(dired-do-delete): Call it.

(dired-mark-for-click, dired-enable-click-to-select-mode): New

functions.

(dired-click-to-select-mode): New minor mode.

* lisp/touch-screen.el (touch-screen-current-tool): Fix doc

string.

(touch-screen-inhibit-drag): New function.

2023-07-19 Po Lu <luangruo@yahoo.com>

* src/sfnt.c (sfnt_infer_deltas): Improve commentary.

* lisp/touch-screen.el (touch-screen-handle-point-up): If what is

`restart-drag' (meaning that a drag has been restarted but the

touchpoint has not moved), translate the release into a regular

mouse click to deactivate the region.

* build-aux/makecounter.sh (curcount): Rename `counter' to

`emacs_shortlisp_counter'.

* doc/emacs/input.texi (Touchscreens): Document

`touch-screen-extend-selection'.

* doc/lispref/commands.texi (Touchscreen Events): Document

`touchscreen-restart-drag'.

* lisp/touch-screen.el (touch-screen-extend-selection): New user

option.

(touch-screen-restart-drag): New function.

(touch-screen-handle-point-update): Handle `restart-drag'

gestures.

(touch-screen-handle-touch): Check if the prerequisites for

extending a previous drag gesture are met, and generate such

events if so.

(touch-screen-translate-touch): Update doc string.

* src/Makefile.in (otherobj): Remove BUILD_COUNTER_OBJ.

($(lispsource)/international/charprop.el):

(%.elc): Don't depend on bootstrap-emacs if cross configuring for

Android.

(libemacs.so): Directly depend on and link with BUILD_COUNTER_OBJ.

* build-aux/makecounter.sh: New script.

* src/Makefile.in (abs_top_builddir): New variable.

(BUILD_COUNTER_OBJ): Define to build-counter.o

if compiling for Android.

(build-counter.c): New target. Generate this file using

makecounter.sh upon changes to lisp.mk or shortlisp.

(lisp.mk): Make and load relative to abs_top_builddir.

(emacs$(EXEEXT)): Adjust accordingly.

(mostlyclean): Remove build-counter.c.

2023-07-18 Po Lu <luangruo@yahoo.com>

* lisp/touch-screen.el (touch-screen-handle-point-update)

(touch-screen-handle-point-up): Fix typos.

* lisp/touch-screen.el (touch-screen-handle-point-update): Fix

typo.

* src/keyboard.c (make_lispy_event): Return nil if no menu item

is found.

* lisp/touch-screen.el (touch-screen-hold)

(touch-screen-handle-point-up): Don't select inactive minibuffer

windows.

(touch-screen-handle-point-update): Improve detection of left

and right edges.

* lisp/touch-screen.el (touch-screen-handle-touch): Fix treatment

of stray update events.

* src/frame.c (syms_of_frame): Default to nil if HAVE_ANDROID.

* src/keyboard.c (make_lispy_event): Fix botched merge.

* doc/lispref/commands.texi (Touchscreen Events): Describe

treatment of canceled touch sequences during touch event

translation.

* java/org/gnu/emacs/EmacsNative.java (EmacsNative): Update JNI

prototypes.

* java/org/gnu/emacs/EmacsWindow.java (motionEvent): Set

cancellation flag in events sent where appropriate.

* lisp/touch-screen.el (touch-screen-handle-point-update):

Improve treatment of horizontal scrolling near window edges.

(touch-screen-handle-touch): Don't handle point up if the touch

sequence has been canceled.

* src/android.c (sendTouchDown, sendTouchUp, sendTouchMove): New

argument `flags'.

* src/androidgui.h (enum android_touch_event_flags): New enum.

(struct android_touch_event): New field `flags'.

* src/androidterm.c (handle_one_android_event): Report

cancellation in TOUCHSCREEN_END_EVENTs.

* src/keyboard.c (make_lispy_event): Fix botched merge.

2023-07-17 Po Lu <luangruo@yahoo.com>

* doc/lispref/commands.texi (Touchscreen Events): Document meaning

of `mouse-1-menu-command'.

* lisp/mouse.el (minor-mode-menu-from-indicator): New arg EVENT.

Give it to popup-menu.

(mouse-minor-mode-menu): Use posn specified within EVENT.

* lisp/touch-screen.el (touch-screen-handle-touch): Fix

interactive translation. Treat commands labeled

`mouse-1-menu-command' like ordinary keymaps.

* doc/lispref/commands.texi (Touchscreen Events): Document

changes to simple translation.

* lisp/touch-screen.el (touch-screen-handle-point-up): Generate

`down-mouse-1' if the current gesture is `mouse-1-menu'.

(touch-screen-handle-touch): If binding is a keymap, set state to

`mouse-1-menu' and wait for point to be released before generating

down-mouse-1.

* lisp/tab-bar.el (tab-bar-map): Don't bind touch-screen-drag.

* lisp/touch-screen.el (touch-screen-drag): Extend the region

based on the position of the mark, not the position of point

relative to EVENT.

(touch-screen-translate-touch): Don't generate virtual function

keys for non-mouse events.

(function-key-map): Remove redundant definitions.

* src/keyboard.c (read_key_sequence): Don't generate *-bar prefix

keys for mock input (such as input from function key translation.)

* doc/emacs/input.texi (Touchscreens): Document the new feature

for people who have trouble dragging to word boundaries.

* lisp/touch-screen.el (touch-screen-word-select): New defcustom.

(touch-screen-word-select-bounds)

(touch-screen-word-select-initial-word): New variable

definitions.

(touch-screen-hold): If `touch-screen-word-select', select the

word around EVENT.

(touch-screen-drag): If `touch-screen-word-select', extend the

region to the next word boundary if the character under point

constitutes a word.

(touch-screen-handle-point-update, touch-screen-handle-touch)

(touch-screen-translate-touch): Fix doc strings and fill

comments.

2023-07-16 Po Lu <luangruo@yahoo.com>

* java/org/gnu/emacs/EmacsService.java (displayToast):

* src/android.c (android_init_emacs_service): Remove unused

function.

* lisp/touch-screen.el (touch-screen-handle-point-up): Correctly

compute posn point.

(touch-screen-translate-touch): Update doc string.

(function-key-map): Define touch screen translation functions

within the internal border.

* doc/lispref/commands.texi (Touchscreen Events): Improve

documentation.

* lisp/tab-bar.el (tab-bar-map): Bind `[tab-bar

touchscreen-hold]'.

* lisp/touch-screen.el (touch-screen-hold, touch-screen-drag):

New functions.

(touch-screen-handle-timeout): Generate a `touchscreen-hold'

event instead.

(touch-screen-handle-point-update): Generate a

`touchscreen-drag' event upon dragging.

(touch-screen-translate-touch): Cancel touch screen timer upon

exit.

* src/keyboard.c (access_keymap_keyremap): Take unsigned int

start and end instead.

* doc/emacs/emacs.texi (Top):

* doc/emacs/input.texi (Other Input Devices): Correctly

capitalize subsection name.

(Touchscreens): Document additional translation.

* doc/lispref/commands.texi (Touchscreen Events): Document that

`touchscreen-end' events now have prefix keys. Also, describe

mouse emulation and `touchscreen-scroll' events.

* doc/lispref/keymaps.texi (Translation Keymaps): Document

`current-key-remap-sequence'.

* lisp/touch-screen.el (touch-screen-translate-prompt): New

function.

(touch-screen-scroll): New command. Bind to `touchscreen-scroll'.

(touch-screen-handle-point-update, touch-screen-handle-point-up)

(touch-screen-handle-touch): Refactor to actually translate touch

screen event sequences, as opposed to looking up commands and

executing them.

(touch-screen-translate-touch): New function. Bind in

function-key-map to all touch screen events.

(touch-screen-drag-mode-line-1, touch-screen-drag-mode-line)

(touch-screen-tap-header-line): Remove special commands for

dragging the mode line and clicking on the header line.

* lisp/wid-edit.el (widget-button-click): Adjust accordingly.

* src/keyboard.c (access_keymap_keyremap): Bind

`current-key-remap-sequence' to the key sequence being remapped.

(keyremap_step): Give fkey->start and fkey->end to

access_keymap_keyremap.

(head_table): Add imaginary prefix to touchscreen-end events as

well.

(syms_of_keyboard): New variable Vcurrent_key_remap_sequence.

2023-07-15 Po Lu <luangruo@yahoo.com>

* doc/emacs/android.texi (Android): Add new node to menu.

(Android Environment): Add footnote pointing to new node.

(Android Software): New node.

* doc/emacs/emacs.texi (Top): Add new node to menu.

* java/AndroidManifest.xml.in (manifest): Fix location of

sharedUserId property.

* java/INSTALL: Improve documentation of shared user ID

support.

2023-07-14 Po Lu <luangruo@yahoo.com>

* configure.ac (ANDROID_SHARED_USER_NAME): New variable.

Substitute it.

* java/AndroidManifest.xml.in: Set `sharedUserLabel' if a shared

user ID is enabled.

* java/res/values/strings.xml (shared_user_name): New string

resource.

* src/android.c (android_blit_copy): Don't check for overflow

where not required.

* java/org/gnu/emacs/EmacsInputConnection.java

(getSurroundingText): Don't print debug information if DEBUG_IC is

off.

* lisp/calc/calc.el (calc): Fix typo.

2023-07-13 Po Lu <luangruo@yahoo.com>

* etc/NEWS: Announce the new tool bar.

* etc/images/last-page.xpm:

* etc/images/last-page.pbm: New images. Mirrored from

next-page.xpm.

* lisp/doc-view.el (doc-view-menu): Use `doc-view-new-search'

instead of an anonymous function.

(doc-view-tool-bar-map): New keymap.

(doc-view-search): Update the tool bar after initiating a search.

(doc-view-new-search): New command.

(doc-view-mode): Set the tool bar map appropriately.

Restore hardware acceleration, as a small degree of tearing is

preferable towards large slowdowns on some specific devices. The

slight tearing remains, but a workaround for the GPU texture

remaining partially updated has been introduced.

* java/AndroidManifest.xml.in:

* java/org/gnu/emacs/EmacsDialog.java (toAlertDialog): Don't

change hardware acceleration state.

* java/org/gnu/emacs/EmacsNative.java (notifyPixelsChanged): New

function.

* java/org/gnu/emacs/EmacsSurfaceView.java (EmacsSurfaceView):

New field `bitmapChanged'.

(copyToFrontBuffer): Signal that the bitmap has changed.

(onDraw): If the bitmap has changed, increment the generation ID.

* src/android.c (JNICALL): Implement new function.

2023-07-13 Po Lu <luangruo@yahoo.com>

Disable hardware acceleration on Android. It serves no purpose

and causes tearing. Uploading the bitmap to the GPU takes about

as long as it does to incrementally update the surface in

software.

* java/AndroidManifest.xml.in: Disable hardware acceleration.

* java/org/gnu/emacs/EmacsActivity.java (EmacsActivity): Make

lastClosedMenu static.

* java/org/gnu/emacs/EmacsDialog.java (toAlertDialog): Enable

hardware acceleration within alert dialogs.

* java/org/gnu/emacs/EmacsSurfaceView.java (onDraw): Describe

why hardware acceleration is disabled.

* java/org/gnu/emacs/EmacsWindow.java (run): Remove redundant

call.

2023-07-12 Po Lu <luangruo@yahoo.com>

* src/android.c (android_run_select_thread): Fix typo.

* src/android.c (android_run_select_thread): Correctly return the

set of ready read and write descriptors on __ANDROID_API__ < 16

systems.

(android_select): Clear the set of ready file descriptors if

events from the event queue are present despite pselect failing.

* src/androidterm.c (android_android_to_emacs_modifiers)

(android_emacs_to_android_modifiers): Fix statement precedence

bugs.

* src/doc.c (doc_close): Remove unused macro.

* java/org/gnu/emacs/EmacsWindow.java (whatButtonWasIt): Handle

back and forward buttons along with styluses.

* src/doc.c (close_file_unwind_android_fd): New function.

(get_doc_string, Fsnarf_documentation): Don't create a temporary

fd if it can be avoided.

2023-07-11 Po Lu <luangruo@yahoo.com>

* .gitignore: Ignore cross/etc/DOC.

* configure.ac: Make the directory `cross/etc'.

* cross/Makefile.in (CLEAN_SUBDIRS): Clean files inside `etc' as

well.

* java/Makefile.in (install_temp): Copy cross/etc/DOC to the

package if it is available.

* src/Makefile.in (SOME_MACHINE_OBJECTS): Add androidselect.c,

sfntfont-android.c and sfntfont.c.

(libemacs.so): Depend on $(etc)/DOC.

* src/sfnt.c (sfnt_fill_span): Correctly clip span to raster

width, ensuring that the last pixel is filled.