From: Po Lu Date: Mon, 7 Aug 2023 00:51:11 +0000 (+0800) Subject: Introduce an Android window system port for GNU Emacs X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=c71a520d1da636a722cf87b46534ca3b5aafbc7b;p=emacs.git Introduce an Android window system port for GNU Emacs * src/xterm.h: New fields `quit_keysym' and `quit_keysym_time'. * src/xterm.c (handle_one_xevent): Check for the quit keysym, and set Vquit_flag upon witnessing two clicks in rapid succession. (x_term_init): Set `quit_keysym'. (init_xterm): Fix typo in name of `register_textconv_interface'. (syms_of_xterm) : Describe its default value on android. * src/xfns.c (xic_string_conversion_callback): Pass `0' as the last argument to textconv_query. (Fx_server_vendor, Fx_server_version): Document return values on Android. * src/xfaces.c (Fx_family_fonts, set_lface_from_font): Use FRAME_RES instead of FRAME_RES_Y, respecting user preferences on window systems that have distinct display and font scaling factors. (Fx_load_color_file): Call `emacs_fclose', not fclose. * src/xdisp.c (tab_bar_item_info): Allow `close_p' to be NULL. (get_tab_bar_item): Update commentary to reflect that change. (get_tab_bar_item_kbd): New function, resembling get_tab_bar_item. (build_desired_tool_bar_string): Clear `f->tool_bar_wraps_p'; insert new line characters if a QCwrap item is encountered, and set f->tool_bar_wrap_p. Replace characters beyond the end of the tool bar with spaces. (display_tool_bar_line): Move iterator to the next line if in contact with an explicit line-wrap item. (redisplay_internal): If there are newline characters in the tool bar, refrain from coercing each row into being identically tall. Don't call `set_tty_color_mode' on Android. (mark_window_display_accurate_1): Report changes to the point and mark to input methods. (display_menu_bar): Adjust ifdefs to allow non-X window systems to use the built-in menu bar. (draw_row_with_mouse_face): Don't call TTY functions on Android. (note_mouse_highlight): Call `popup_activated' on Android. (expose_frame): Correctly work on the menu bar window. (gui_union_rectangles): New function. * src/window.h (struct window): New fields for recording the last window and point positions, along with an ephemeral position used during IM text conversion. (WINDOW_MENU_BAR_P): Correct definition for non-X window systems without external menu bars. * src/window.c (replace_buffer_in_windows): Call Qreplace_buffer_in_windows only when bound. * src/w32proc.c (sys_spawnve): Pass extra argument to openp. * src/w32font.c (fill_in_logfont): Use font scaling factor, not the display scaling factor. * src/w32.c (check_windows_init_file): Pass extra argument to openp. * src/verbose.mk.in (AM_V_JAVAC, AM_V_DX, AM_V_AAPT) (AM_V_ZIPALIGN, AM_V_SILENT): New variables. * src/textconv.h (struct textconv_interface): New `point_changed', `compose_region_changed' and `notify_conversion'. Add declarations for new functions. * src/textconv.c (TEXTCONV_DEBUG): New macro. (suppress_conversion_count): New variable. (enum textconv_batch_edit_flags): New flag. (copy_buffer): Don't overwrite text before the gap with the text after. (get_mark, select_window): New functions. (textconv_query): New argument FLAGS. Contingent upon its value, use the previous point or mark or skip the conversion region. (sync_overlay, record_buffer_change, reset_frame_state) (detect_conversion_events, restore_selected_window) (really_commit_text, really_finish_composing_text) (really_set_composing_region, really_delete_composing_text) (really_request_point_update, really_set_point_and_mark) (complete_edit): New functions. (struct complete_edit_check_context): New structure; store in it the result of editing operations. (complete_edit_check, handle_pending_conversion_events_1) (decrement_inside, handle_pending_conversion_events) (start_batch_edit, end_batch_edit, commit_text) (set_composing_text, textconv_set_point_and_mark) (request_point_update, textconv_barrier, get_extracted_text) (get_surrounding_text, conversion_disabled_p) (report_selected_window_change, report_point_change) (disable_text_conversion, resume_text_conversion) (register_textconv_interface, check_postponed_buffers) (postponed_buffers, Fset_text_conversion_style) (syms_of_textconv) : New functions, symbols and variables. * src/terminal.c (Fterminal_live_p): Return Qandroid if type is output_android. * src/termhooks.h (enum output_method): Add `output_android'. (struct terminal) : Add union constituent field for `android'. : Define on Android as well. (TERMINAL_FONT_CACHE) [HAVE_ANDROID]: Return the inappropriately named font cache field on Android. * src/term.c (string_cost, string_cost_one_line, per_line_cost) (calculate_costs, produce_glyphs, produce_glyphs, tty_capable_p) (tty_capable_p, device, init_tty, maybe_fatal) (delete_tty) [HAVE_ANDROID]: Exclude or turn these functions into vestiges. (Fsuspend_tty, Fresume_tty): Call `emacs_fclose' and always signal on Android. (Fresume_tty): Call `emacs_fdopen'. (Ftty__set_output_buffer_size) [HAVE_ANDROID]: Remove this function. (encode_terminal_code): Replace with a stub. (init_tty, delete_tty, maybe_fatal): Call `emacs_fclose'. (syms_of_term): Remove most unnecessary code on Android. : Always set this option on Android. * src/sysdep.c (init_standard_fds): Call emacs_fopen. (reset_sigio, widen_foreground_group): Define out on Android. (reset_sys_modes): Don't call either function on Android. (init_sigbus, handle_sigbus): New functions. (init_signals): Don't add user signals on Android. Register signal handlers for SIGBUS, and refrain from handling SIGSEGV. (emacs_fstatat): Wrap android_fstatat on Android. (sys_fstat, sys_faccessat): New function. (emacs_openat): Exclude this function when building libemacs.so. (emacs_open, emacs_open_noquit, emacs_fopen, emacs_close): Wrap functions defined in the Android filesystem emulation code. (emacs_fdopen, emacs_fclose, emacs_unlink, emacs_symlink) (emacs_rmdir, emacs_mkdir, emacs_renameat_noreplace, emacs_rename) (emacs_fchmodat): New wrappers for more of those functions. (close_output_streams): Placate the file descriptor sanitizer that's included with android. * src/sound.c (Fplay_sound_internal): Pass extra argument to openp. * src/sfntfont.h: * src/sfntfont.c: * src/sfntfont-android.c: * src/sfnt.h: * src/sfnt.c: New files. * src/scroll.c: Exclude the entire file on Android. * src/process.c: (allocate_pty): Call sys_faccessat, not faccessat. (Fmake_process): Call openp with an extra argument. (wait_reading_process_output): Call android_select. (Fprocess_send_eof): Don't call tcdrain if not present. (handle_child_signal): Write a comment describing a small, seldom encountered issue. * src/print.c (print_vectorlike): Don't print FONT_EXTRA_INDEX for font entities. * src/pdumper.c (Fdump_emacs_portable): Allow dumping in interactive Emacs's on Android, as this is performed within loadup.el. (dump_discard_mem): Use madvise if posix_advise is not present. (pdumper_load): Call sys_fstat, not fstat. (syms_of_pdumper) : Calculate the fingerprint for this Emacs executable and store it there. * src/menu.c (have_boxes): Android has boxes. (push_submenu_start, push_submenu_end): Define on Android. (single_menu_item): Produce submenus on Android as well. (x_popup_menu_1): Call EVENT_START, in contrast to duplicating its old functionality with calls to Fcar and XCDR. (Fx_popup_menu): Update documentation to reflect that touch screen events are now accepted as POSITION. * src/marker.c (set_marker_internal): Redisplay buffers when their mark changes, enabling changes to be reported to the IME. * src/lread.c (lread_fd, lread_fd_cmp, lread_fd_p, lread_close) (lread_fstat, lread_read_quit, lread_lseek, file_stream) (file_seek, file_stream_valid_p, file_stream_close) (file_stream_invalid, getc): New macros. Define to an implementation with file descriptors and file streams on systems other than Android 2.3+, and one using Android file descriptors on those systems. (USE_ANDROID_ASSETS): Define on Android 2.3+; (file_get_char): New function. (infile, skip_dyn_bytes, skip_dyn_eof, readbyte_from_stdio) (read_filtered_event, safe_to_load_version, close_infile_unwind): Implement in terms of those macros. (close_file_unwind_android_fd): New function. (Fload): Pass extra argument to `openp' and use Android file descriptors where possible. (Flocate_file_internal): Pass extra argument to `openp'. (maybe_swap_for_eln1): Call sys_fstat, not fstat. (openp): New arg PLATFORM; if supplied and opening a platform-specific file descriptor replacement is possible, place one there. (build_load_history): Fix typos in comments. (skip_lazy_string): Implement in terms of the aformentioned macros. * src/lisp.h: Add declarations for new functions. * src/keyboard.h (reading_key_sequence): Declare here. (EVENT_START): Treat touch screen events specially by returning the posn of their touch point. * src/keyboard.c (reading_key_sequence, menu_bar_touch_id): New variables. (command_loop_1): (read_menu_command): Pass false to read_key_sequence. (read_char): Update commentary. (readable_events): If text conversion events (edits from an input method) are queued, return 1. (kbd_buffer_get_event): If text conversion events exist, carry out the edits contained within. Then, generate a Qtext_conversion event. (lispy_function_keys, FUNCTION_KEY_OFFSET): Define function key array on Android. (coords_in_tab_bar_window): New function. (make_lispy_event) : Keep track of touches that fall into the confines of the tab bar, and include the tab bar item in their position lists. Moreover, retain and track the touch in C code if it's taking place within the menu bar. : Likewise for the tab bar; generate menu bar events if the touch ends on a menu item and was previously singled out for tracking. : Don't deliver this event if the frame is dead, or if it was identified for tracking since the only touch sequence that changed begun inside the menu bar. (handle_async_input): Call android_check_query_urgent. (handle_input_available_signal): Add memory fence. (parse_tool_bar_item): Handle `wrap' properties within tool bar items moving subsequent items onto a new row. (access_keymap_keyremap): New arguments START, END, KEYBUF. Set Qcurrent_key_remap_sequence around calls to the remap function. (keyremap_step): Pass the necessary information to access_keymap_keyremap. (restore_reading_key_sequence): New function. (read_key_sequence): Set `reading_key_sequence'. New arg DISABLE_TEXT_CONVERSION_P, which causes text conversion to be disabled as long as the key sequence is being read. Disable text conversion as well if a menu or function key prefix is read, insert imaginary prefix keys before touchscreen events within special areas of a frame. Don't insert prefix keys if input is being mocked, which transpires if the input is in actuality originating from a key translation map. (read_key_sequence_vs): New argument DISABLE_TEXT_CONVERSION. (Fread_key_sequence): New argument DISABLE_TEXT_CONVERSION. (Fopen_dribble_file): Use emacs_fclose. (head_table): Make touchscreen-begin and touchscreen-end events touchscreen events. (syms_of_keyboard) : New symbols. : New variables. * src/inotify.c (Finotify_add_watch): Detect and avoid watching special files that don't exist from the POV of inotify. * src/image.c (image_create_bitmap_from_data) (image_create_bitmap_from_file, free_bitmap_record) (prepare_image_for_display, image_clear_image_1) (image_clear_image_1, image_size_in_bytes, image_set_transform): (Create_Pixmap_From_Bitmap_Data, lookup_rgb_color) (image_to_emacs_colors, image_from_emacs_colors) (image_pixmap_draw_cross, image_disable_image): Implement on Android, reusing much of the X11 code. (matrix_identity, matrix_rotate, matrix_mirror_horizontal) (matrix_translate): New functions. (x_check_image_size, x_create_x_image_and_pixmap) (x_destroy_x_image, image_check_image_size) (image_create_x_image_and_pixmap_1, image_destroy_x_image) (gui_put_x_image, image_get_x_image, image_unget_x_image): Implement on Android. (image_find_image_fd): Return an Android file descriptor if possible. (close_android_fd): New function. (slurp_file): Accept `image_fds', defined to Android file descriptors. (xpm_load): Enable built-in XPM support on Android. (xbm_load, pbm_load, png_load_body, jpeg_load_body, gif_load) (webp_load, imagemagick_load_image, svg_load): Use image file descriptors on Android; these file descriptors may in fact represent compressed asset streams, and obviate the necessity of creating a new file descriptor for each asset image opened. (Fimage_transforms_p): Report rotate90 on Android. (image_types, syms_of_image): Enable built-in XPM support on Android. * src/fringe.c (init_fringe_bitmap): Bit swap bitmaps on Android, as on X. * src/frame.h (enum text_conversion_operation): New enumerator. (struct text_conversion_action, struct text_conversion_state): New variable. (struct frame): New fields `tool_bar_wraps_p' and `conversion'. Increase the width of `output_method'. : Add `android' field. : Define on Android as well. (fset_menu_bar_window): Define correctly, so that it's declared on non-X builds without external menu bars. (FRAME_ANDROID_P): Define macro. (FRAME_WINDOW_P) [HAVE_ANDROID]: Define to FRAME_ANDROID_P. (FRAME_RES): New macro. (MOUSE_HL_INFO): Define without referencing tty output data on Android, which doesn't have them. * src/frame.c (Fframep): Return `android' on Android systems. (Fwindow_system): Likewise. (make_frame): Clear text conversion state and `tool_bar_wraps_p'. (Fmake_terminal_frame): Signal that Android doesn't support text terminals. (delete_frame): Reset text conversion state prior to deleting the frame. (gui_display_get_resource): Don't call the resource hook on Android. (Fx_parse_geometry): Pacify compiler warning. (make_monitor_attribute_list): Don't always use SOURCE if nil. (syms_of_frame) : New symbol. : Don't default scroll bars to an enabled state on Android. * src/fontset.c (fontset_find_font): Tackle an unusual problem. * src/font.h (struct font_entity): New field `is_android'. (PT_PER_INCH): Define to 160.00 on Android. * src/font.c (font_make_entity): New function. (font_make_entity_android): New variant that sets `is_android' to true. (font_pixel_size, font_find_for_lface, font_open_for_lface) (Ffont_face_attributes, Fopen_font): Respect the distinction between frame text and display scales. * src/fns.c (Flocale_info): Silence compiler warning. * src/filelock.c (BOOT_TIME): Undefine BOOT_TIME when building libemacs.so (get_boot_time, rename_lock_file, create_lock_file) (current_lock_owner, make_lock_file_name, unlock_file): Employ wrappers for Android filesystem operations. * src/fileio.c (emacs_fd, emacs_fd_open, emacs_fd_close) (emacs_fd_read, emacs_fd_lseek, emacs_fd_fstat, emacs_fd_valid_p): New type and macros; define them to suitable values, akin to those in lread.c (check_vfs_filename): New function. (file_access_p): Call `sys_faccessat'. (close_file_unwind_emacs_fd): New function. (fclose_unwind): Call `emacs_fclose', not fclose. (file_name_directory): Export this function. (user_homedir): If PW->pw_dir is not set and its uid is the current user, call `android_get_home_directory'. (get_homedir): Call `android_get_home_directory' if PW->pw_dir is not set. (Fcopy_file, Fmake_directory_internal, Fdelete_directory_internal) (Fdelete_file, Frename_file, Fmake_symbolic_link, Faccess_file) (file_directory_p, file_accessible_directory_p, Fset_file_modes) (Fset_file_times, Ffile_newer_than_file_p, read_non_regular) (Finsert_file_contents, write_region) (Fverify_visited_file_modtime, Fset_visited_file_modtime) (do_auto_save_unwind): Make use of Android filesystem wrappers and file descriptors where possible. (Fadd_name_to_file): Prohibit creating links to and from files residing on Android special directories. (Ffile_system_info): Avoid compilation failure on Android, where Gnulib can't find out how to implement statfs. * src/epaths.in [HAVE_ANDROID && !ANDROID_STUBIFY]: Deface this file, so Makefile cannot change the hard-coded values within. * src/emacs.c (using_utf8): Correctly initialize mbstate_t on Android. (init_cmdargs): Pass extra argument to openp. (load_pdump): When building libemacs.so, use solely the file provided on the command line or as an argument to `android_emacs_init'. (load_seccomp): Call sys_fstat, not fstat. (main, android_emacs_init): Name `main' `android_emacs_init' when building libemacs.so, and accept an argument designating the dump file. (main): Initialize text conversion and Android. Don't presume that argv is NULL terminated. (Fkill_emacs, shut_down_emacs): Properly implement RESTART on Android. (syms_of_emacs) : Describe the possible value `android'. * src/emacs-module.c (MODULE_HANDLE_NONLOCAL_EXIT): Cease relying on GCC clean-up attribute extension. (MODULE_INTERNAL_CLEANUP): New macro. (module_make_global_ref, module_free_global_ref) (module_make_function, module_get_function_finalizer) (module_make_interactive, module_funcall, module_extract_integer) (module_extract_float, module_copy_string_contents) (module_get_user_ptr, module_set_user_ptr) (module_get_user_finalizer, module_set_user_finalizer) (module_vec_set, module_vec_size, module_process_input) (module_extract_big_integer, module_make_big_integer): Carry out necessary clean-up tasks using MODULE_HANDLE_NONLOCAL_EXIT. * src/editfns.c (Fuser_full_name): Call `android_user_full_name', as USER_FULL_NAME doesn't always work. * src/doc.c (doc_fd, doc_fd_p, doc_open, doc_read_quit) (doc_lseek): New types and macros, resembling those in lread.c. (get_doc_string, Fsnarf_documentation): Implement in terms of those macros, so as to use Android asset streams directly. * src/dispnew.c (clear_current_matrices, clear_desired_matrices) (allocate_matrices_for_window_redisplay, free_glyphs) (redraw_frame, update_frame, scrolling, update_frame_line): Disable support for text terminals when building for Android. (Fopen_termscript): Use emacs_fclose. (init_display_interactive): Set Vinitial_window_system to Qandroid, and lose if Emacs needs to create a text terminal. * src/dispextern.h (No_Cursor, Emacs_Rectangle, struct gui_box): New definitions. (struct glyph_string) : Define to the Android GC type. (HAVE_NATIVE_TRANSPHORMS): Define on Android. (struct image): New fields `ximg', `mask_img', as on X. (enum tool_bar_item_idx): New tool bar item property TOOL_BAR_ITEM_WRAP. * src/dired.c (emacs_dir, emacs_closedir, emacs_readdir): New typedef and definitions. (open_directory): Return emacs_dir; use android_opendir on Android, instead of at-funcs. (directory_files_internal_unwind): Call emacs_closedir. (read_dirent): Call emacs_readdir. (directory_files_internal, file_name_completion) (file_name_completion_dirp): Use Android wrappers for directories and files. (file_attributes): Abstain from openat on Android. * src/conf_post.h (MB_CUR_MAX): Define to REPLACEMENT_MB_CUR_MAX if necessary to counteract inept LLVM headers. * src/coding.h (from_unicode_buffer): Define if HAVE_ANDROID as well. * src/coding.c (from_unicode_buffer): Define on Android, creating a variant that understands UCS-16 extended into wchar_t. (syms_of_coding) : Define on Android. * src/charset.c (load_charset_map_from_file): Supply extra argument to openp, and call Emacs wrappers for fdopen and fclose. * src/callproc.c (get_current_directory): Return the home directory if ENCODED is a special directory. (delete_temp_file): Call emacs_unlink in lieu of unlink. (call_process): Use openp. (emacs_spawn): Use Android executable loader binary if needed and enabled. (init_callproc): Set Vshell_file_name to /system/bin/sh if libemacs.so. (syms_of_callproc) : New variables. Define to the names of the programs they respectively stand for. * src/callint.c (Fcall_interactively): Supply new argument in calls to Fread_key_sequence and Fread_key_sequence_vector. * src/buffer.h (struct buffer) : New bvar. (bset_text_conversion_style): New bvar setter. * src/buffer.c (init_buffer_once): Set the text conversion style. (syms_of_buffer) : Define new BLV. * src/androidvfs.c: * src/androidterm.h: * src/androidterm.c: * src/androidselect.c: * src/androidmenu.c: * src/androidgui.h: * src/androidfont.c: * src/androidfns.c: * src/android.h: * src/android.c: * src/android-emacs.c: * src/android-asset.h: New function. * src/alloc.c (cleanup_vector): Finalize Android font entities. (find_string_data_in_pure) [__i386__ && !__clang__]: On Android, compensate for a bug in the latest NDK GCC. (mark_pinned_symbols, android_make_lisp_symbol): Elude another bug in debuginfo generation with an almost nonsensical fix. (garbage_collect): Mark androidterm and sfntfont. (mark_frame): Mark text conversion actions and info. * src/Makefile.in (XCONFIGURE): New variable. If set, add srcdir to vpath. (hostlib): New variable, always defined to libgnu.a on the build machine. (GIF_CFLAGS, JPEG_CFLAGS, TIFF_CFLAGS, SQLITE3_CFLAGS) (LIBSELINUX_CFLAGS, ANDROID_OBJ, ANDROID_LIBS, ANDROID_LDFLAGS) (ANDROID_BUILD_CFLAGS, LIBGMP_CFLAGS): New variables. (CM_OBJ): Update commentary. (EMACS_CFLAGS): Add new compiler flags variables. (base_obj): Add ANDROID_OBJ. (SOME_MACHINE_OBJECTS): Add Android-related objects. (lisp.mk): Generate from its absolute file name. ($(lispsource)/international/charprop.el): Don't generate when building libemacs.so. ($(libsrc)/make-docfile$(EXEEXT) $(libsrc)/make-fingerprint$(EXEEXT)): Depend on libgnu.a on the build machine. (mostlyclean): Remove libemacs.so. (build-counter.c, libemacs.so, android-emacs): New targets. These targets are made from this Makefile copied to a subdirectory of `cross', and provide the Emacs library and an ancillary binary used by the Android port. * nt/mingw-cfg.site: * nt/gnulib-cfg.mk: Impede building Gnulib's vasnprintf* code. * msdos/sedlibmk.inp: * msdos/sedlibcf.inp: * msdos/sed3v2.inp: * msdos/sed1v2.inp: Fix the DJGPP build. * make-dist (possibly_non_vc_files): Add exec/configure and exec/config.h.in. * m4/ndk-build.m4: New file. * m4/getline.m4: * m4/getdelim.m4: * m4/asm-underscore.m4: Update from Gnulib. * lisp/wid-edit.el (widget-event-point): Treat touch screen events correctly. (widget-keymap): Map touchscreen-begin to widget-button-click. (widget-event-start): New function. (widget-button--check-and-call-button): (widget-button-click): Behave correctly when confronted by touch screen events. * lisp/version.el (android-read-build-system) (android_read_build_time): New functions. (emacs-build-system, emacs-repository-version-android) (emacs-repository-get-version): (emacs-repository-get-branch): Implement properly on Android, by reading a file generated during the packaging process. * lisp/touch-screen.el: New file, supplying support for translating raw touch screen events into gestures. * lisp/tool-bar.el (secondary-tool-bar-map): New defvar. (tool-bar--cache-key, tool-bar--secondary-cache-key): Make defsubsts. (tool-bar--flush-key): Flush caches for the secondary tool bar as well. (tool-bar-make-keymap, tool-bar-make-keymap-1): Append the secondary tool bar map below the primary tool bar map. (modifier-bar-modifier-list): New variable. (tool-bar-apply-modifiers, modifier-bar-button) (tool-bar-event-apply-alt-modifier) (tool-bar-event-apply-super-modifier) (tool-bar-event-apply-hyper-modifier) (tool-bar-event-apply-shift-modifier) (tool-bar-event-apply-control-modifier) (tool-bar-event-apply-meta-modifier, modifier-bar-available-p) (modifier-bar-mode): New functions. * lisp/textmodes/text-mode.el (text-mode): Set text-conversion-style to t. * lisp/textmodes/reftex-global.el (reftex-create-tags-file): Use etags-program-name to provide the name of the etags program. * lisp/textmodes/conf-mode.el (conf-mode-initialize): Enable text conversion. * lisp/textmodes/artist.el (artist-figlet-get-font-list): Use /system/bin/sh on Android. * lisp/term/android-win.el: New file. * lisp/term.el (term-mode): Always display the on screen keyboard. (term-exec-1): Use /system/bin/sh on Android. * lisp/tab-line.el (tab-line-tab-map) (tab-line-new-tab) (tab-line-select-tab) (tab-line-close-tab) (tab-line-track-tap) (tab-line-event-start): Improve support for touch screen events. * lisp/tab-bar.el (tab-bar-mouse-context-menu): (tab-bar-map): Likewise. (tab-bar-handle-timeout, tab-bar-touchscreen-begin): New functions. * lisp/subr.el (event-start): Don't return nonsense if EVENT is a touchscreen event. (event-end): Likewise. (read-key): Disable text conversion within read-key-sequence-vector. (read-char-choice-with-read-key): Display the on screen keyboard. (read-char-from-minibuffer): Disable text conversion. (use-dialog-box-p): Prefer dialog boxes on Android. (y-or-n-p): Disable text conversion properly under all three modes of operation. * lisp/startup.el (android-fonts-enumerated): New variable. (normal-top-level): Load system fonts on Android. * lisp/speedbar.el (speedbar-fetch-etags-command): Use etags-program-name instead of hard-coding `etags'. * lisp/simple.el (normal-erase-is-backspace-setup-frame): Return true on Android. (event-apply-modifier): Correctly apply Shift and Control modifiers to keys with other modifiers. (undo-auto-amalgamate): Mention analyze-text-conversion wrt being an amalgamating command. * lisp/shell.el (shell--command-completion-data): Don't lose if PATH contains an inaccessible directory. * lisp/progmodes/prog-mode.el (prog-mode): Enable text conversion. * lisp/progmodes/cperl-mode.el (cperl-etags): Don't hard-code etags, employ etags-program-name instead. * lisp/progmodes/cc-mode.el (c-initialize-cc-mode): Initialize text conversion hook. * lisp/progmodes/cc-cmds.el (c-post-text-conversion): New function. Do electric characters. * lisp/play/gamegrid.el (gamegrid-setup-default-font): Don't crash if the display resolution is too high. * lisp/play/dunnet.el (text-conversion-style): * lisp/play/doctor.el (doctor-mode): Enable text conversion. * lisp/pixel-scroll.el (pixel-scroll-precision-scroll-down-page) (pixel-scroll-precision-scroll-Up-page): Make autoloads. * lisp/org/org-ctags.el (org-ctags-path-to-ctags): Use ctags-program-name, not ctags. * lisp/obsolete/terminal.el (terminal-emulator): Start /system/bin/sh, not /bin/sh. * lisp/net/tramp.el (tramp-encoding-shell): Use /system/bin/sh on Android. * lisp/net/eww.el (eww-form-submit, eww-form-file) (eww-form-checkbox, eww-form-select): Define these faces on Android as well. * lisp/net/browse-url.el (browse-url-default-browser) (browse-url--browser-defcustom-type): Specify on Android. (browse-url-android-share, browse-url-default-android-browser): New option and function. * lisp/mwheel.el (mouse-wheel-down-event, mouse-wheel-up-event) (mouse-wheel-left-event, mouse-wheel-right-event): Define suitably on Android. * lisp/mouse.el (minor-mode-menu-from-indicator): New argument EVENT. Use it for positioning the menu. (mouse-minor-mode-menu): Pass EVENT to that function. * lisp/minibuffer.el (clear-minibuffer-message): Don't clear the message if `touch-screen-preview-select' may be underway. (minibuffer-mode): Enable text conversion. (minibuffer-setup-on-screen-keyboard) (minibuffer-exit-on-screen-keyboard): New functions. * lisp/menu-bar.el (menu-bar-close-window): New option. (menu-bar-edit-menu): Bind execute-extended-command to a menu item. (kill-this-buffer, kill-this-buffer-enabled-p): Respect menu-bar-close-window. * lisp/mail/rmail.el (rmail-autodetect, rmail-insert-inbox-text): Don't hard-code the name of movemail; rather, use movemail-program-name. * lisp/mail/emacsbug.el (emacs-build-description): Insert the Android version and manufacturer. * lisp/ls-lisp.el (ls-lisp-use-insert-directory-program): Default to off on Android. * lisp/loadup.el: Set load-list to empty load list after startup; dump the first time Emacs starts, and load Android related miscellanea. * lisp/isearch.el (isearch-text-conversion-style): New variable. (isearch-mode, isearch-done): Display the OSK, then temporarily disable and restore the on screen keyboard. * lisp/international/mule-cmds.el (set-coding-system-map): Update menu definition for Android. * lisp/international/fontset.el (script-representative-chars) (setup-default-fontset): Improve detection of CJK fonts. * lisp/image/wallpaper.el: Fix compiler warning. * lisp/ielm.el (inferior-emacs-lisp-mode): Don't hard-code name of hexl, replacing that with hexl-program-name. * lisp/htmlfontify.el (hfy-etags-bin): Replace hard-coded Emacs with etags-program-name. * lisp/hexl.el (hexl-program): Replace hard-coded hexl. * lisp/help-macro.el (make-help-screen): Display the on screen keyboard and disable text conversion prior to reading options. * lisp/gnus/mail-source.el (mail-source-movemail-program): Replace hard-coded movemail with movemail-program-name. * lisp/gnus/gnus-score.el (gnus-read-char): New function. (gnus-summary-increase-score): Use a dialog box to display these options on Android. * lisp/frame.el (frame-geometry, frame-edges) (mouse-absolute-pixel-position, set-mouse-absolute-pixel-position) (frame-list-z-order, frame-restack, display-mouse-p) (display-popup-menus-p, display-graphic-p, display-symbol-keys-p) (display-screens, display-pixel-height, display-pixel-width) (display-mm-height, display-mm-width, display-backing-store) (display-save-under, display-planes, display-color-cells) (display-visual-class, display-monitor-attributes-list): Implement window system specific functions on Android. * lisp/files.el (basic-save-buffer): Allow files to exist without a parent directory. * lisp/faces.el (tool-bar): Use default definition on Android. * lisp/emacs-lisp/eldoc.el (eldoc-add-command-completions): Add touch-screen-handle-touch and analyze-text-conversion. * lisp/elec-pair.el (electric-pair-analyze-conversion): New function. * lisp/doc-view.el (doc-view-menu): Improve menu. (doc-view-tool-bar-map): Add a new tool bar for Doc View. (doc-view-new-search): New command. (doc-view-mode): Enable that new tool bar. * 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/cus-edit.el (custom-button-mouse, custom-button-pressed) (custom-display): Define faces to their default values on Android. * lisp/comint.el (comint-mode): Enable text conversion. * lisp/cedet/semantic/db-ebrowse.el (semanticdb-create-ebrowse-database): Replace fixed ebrowse with ebrowse-program-name. * lisp/calc/calc.el (calc-mode): Display the on screen keyboard. (calc): Insist on displaying the on screen keyboard. * lisp/button.el (button-map): Bind touch screen events to push-button. (push-button): Deal with touch screen events. * lisp/bindings.el (cut, paste, cut, text-conversion): New bindings. * lisp/battery.el (battery-status-function): Use `battery-android'. (battery-android): New function. * lib/gnulib.mk.in: * lib/getline.c: * lib/getdelim.c: * lib/Makefile.in: Update from Gnulib. * lib-src/emacsclient.c (decode_options): Set `alt_display' to `android'. * lib-src/asset-directory-tool.c: New file. * lib-src/Makefile.in: Adapt for cross-compilation. * java/res/xml/preferences.xml: * java/res/values/style.xml: * java/res/values/strings.xml: * java/res/values/bool.xml: * java/res/values-v29/style.xml: * java/res/values-v24/bool.xml: * java/res/values-v19/bool.xml: * java/res/values-v14/style.xml: * java/res/values-v11/style.xml: * java/org/gnu/emacs/EmacsWindowAttachmentManager.java: * java/org/gnu/emacs/EmacsWindow.java: * java/org/gnu/emacs/EmacsView.java: * java/org/gnu/emacs/EmacsThread.java: * java/org/gnu/emacs/EmacsSurfaceView.java: * java/org/gnu/emacs/EmacsService.java: * java/org/gnu/emacs/EmacsSdk8Clipboard.java: * java/org/gnu/emacs/EmacsSdk7FontDriver.java: * java/org/gnu/emacs/EmacsSdk23FontDriver.java: * java/org/gnu/emacs/EmacsSdk11Clipboard.java: * java/org/gnu/emacs/EmacsSafThread.java: * java/org/gnu/emacs/EmacsPreferencesActivity.java: * java/org/gnu/emacs/EmacsPixmap.java: * java/org/gnu/emacs/EmacsOpenActivity.java: * java/org/gnu/emacs/EmacsNoninteractive.java: * java/org/gnu/emacs/EmacsNative.java: * java/org/gnu/emacs/EmacsMultitaskActivity.java: * java/org/gnu/emacs/EmacsLauncherPreferencesActivity.java: * java/org/gnu/emacs/EmacsInputConnection.java: * java/org/gnu/emacs/EmacsHolder.java: * java/org/gnu/emacs/EmacsHandleObject.java: * java/org/gnu/emacs/EmacsGC.java: * java/org/gnu/emacs/EmacsFontDriver.java: * java/org/gnu/emacs/EmacsFillRectangle.java: * java/org/gnu/emacs/EmacsFillPolygon.java: * java/org/gnu/emacs/EmacsDrawable.java: * java/org/gnu/emacs/EmacsDrawRectangle.java: * java/org/gnu/emacs/EmacsDrawPoint.java: * java/org/gnu/emacs/EmacsDrawLine.java: * java/org/gnu/emacs/EmacsDocumentsProvider.java: * java/org/gnu/emacs/EmacsDirectoryEntry.java: * java/org/gnu/emacs/EmacsDialogButtonLayout.java: * java/org/gnu/emacs/EmacsDialog.java: * java/org/gnu/emacs/EmacsCursor.java: * java/org/gnu/emacs/EmacsContextMenu.java: * java/org/gnu/emacs/EmacsClipboard.java: * java/org/gnu/emacs/EmacsApplication.java: * java/org/gnu/emacs/EmacsActivity.java: * java/debug.sh: * java/README: * java/Makefile.in: * java/INSTALL: * java/AndroidManifest.xml.in: * exec/trace.c: * exec/test.c: * exec/mipsfpu.h: * exec/mipsfpu.c: * exec/mipsel-user.h: * exec/loader-x86_64.s: * exec/loader-x86.s: * exec/loader-mipsel.s: * exec/loader-mips64el.s: * exec/loader-armeabi.s: * exec/loader-aarch64.s: * exec/install-sh: * exec/exec1.c: * exec/exec.h: * exec/exec.c: * exec/deps.mk: * exec/configure.ac: * exec/config.sub: * exec/config.h.in: * exec/config.guess: * exec/config-mips.m4.in: * exec/README: * exec/Makefile.in: * etc/images/last-page.xpm: New files. * etc/PROBLEMS: Expound upon problems with font instructing on Android. * etc/NEWS: Announce changes. * etc/MACHINES: Describe support for Android. * etc/DEBUG: Illustrate the steps to debug Emacs on Android. * doc/lispref/processes.texi (Subprocess Creation): * doc/lispref/os.texi (System Environment): * doc/lispref/keymaps.texi (Translation Keymaps): (Extended Menu Items): (Tool Bar): * doc/lispref/frames.texi (Frames): (Frame Layout): (Font and Color Parameters): (Pop-Up Menus): (Window System Selections): * doc/lispref/elisp.texi (Top): * doc/lispref/display.texi (Defining Faces): (Window Systems): * doc/lispref/commands.texi (Touchscreen Events): (Touchscreen Events): (Misc Events): (Key Sequence Input): * doc/emacs/windows.texi (Tab Line): * doc/emacs/input.texi: * doc/emacs/frames.texi (Tool Bars): (Tab Bars): * doc/emacs/emacs.texi (Top): * doc/emacs/dired.texi (Marks vs Flags): * doc/emacs/android.texi: * doc/emacs/Makefile.in (EMACSSOURCES): Update the documentation to properly describe changes effected. * cross/verbose.mk.android: * cross/ndk-build/ndk-resolve.mk: * cross/ndk-build/ndk-prebuilt-static-library.mk: * cross/ndk-build/ndk-prebuilt-shared-library.mk: * cross/ndk-build/ndk-clear-vars.mk: * cross/ndk-build/ndk-build.mk.in: * cross/ndk-build/ndk-build-static-library.mk: * cross/ndk-build/ndk-build-shared-library.mk: * cross/ndk-build/ndk-build-executable.mk: * cross/ndk-build/README: * cross/ndk-build/Makefile.in: * cross/langinfo.h: * cross/README: * cross/Makefile.in: New files. * configure.ac: Configure Emacs for cross-compilation on Android. * build-aux/ndk-module-extract.awk: * build-aux/ndk-build-helper.mk: * build-aux/ndk-build-helper-4.mk: * build-aux/ndk-build-helper-3.mk: * build-aux/ndk-build-helper-2.mk: * build-aux/ndk-build-helper-1.mk: * build-aux/makecounter.sh: New file. * autogen.sh: Autogen in exec as well. * admin/merge-gnulib (GNULIB_MODULES): Add getline, stpncpy and strnlen. Clean lib. * README: * Makefile.in: * INSTALL: Update for Android. * .dir-locals.el (c-mode): Add a few new types. --- c71a520d1da636a722cf87b46534ca3b5aafbc7b