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bug#51658: [PATCH] Haiku port (again)


From: Po Lu
Subject: bug#51658: [PATCH] Haiku port (again)
Date: Sun, 07 Nov 2021 19:29:32 +0800

OK, after using this port for more than a month now I can say it's
finally stable enough for heavy use.

I think all the major bugs have been ironed out now, so I'm submitting
it for inclusion.

I couldn't figure out how to turn multiple (hundereds) of git commits
into a single patch formatted like `git format-patch' would, so I
attached the output of `git diff' instead.

Please take some time to review the code and possibly install it.
Thanks!

Here is a commit message I wrote that should be appropriate:

Add support for the Haiku operating system and its window system 

* .gitignore: Add binaries specific to Haiku.

* Makefie.in (HAVE_BE_APP): New variable.
(install-arch-dep): Install Emacs and Emacs.pdmp when using Haiku.

* configure.ac: Detect and configure for Haiku and various related
 configurations.
(be-app, be-freetype, be-cairo): New options.
(HAVE_BE_APP, HAVE_BE_FREETYPE, HAIKU_OBJ, HAIKU_CXX_OBJ)
(HAIKU_LIBS, HAIKU_CFLAGS): New variables.
(HAIKU, HAVE_TINY_SPEED_T): New define.
(emacs_config_features): Add BE_APP.

* doc/emacs/Makefile.in (EMACSSOURCES): Add Haiku appendix.

* doc/emacs/emacs.texi: Add Haiku appendix to menus and
include it.

* doc/emacs/haiku.texi: New Haiku appendix.

* doc/lispref/display.texi (Defining Faces, Window Systems): Explain
haiku as a window system identifier.
(haiku-use-system-tooltips): Explain meaning of system tooltips on
Haiku.

* doc/lispref/frames.texi (Multiple Terminals): Explain meaning of
haiku as a display type.
(Frame Layout): Clarify section for Haiku frames.
(Size Parameters): Explain limitations of fullwidth and fullheight
on Haiku.
(Management Parameters): Explain limitations of inhibiting double
buffering on builds with Cairo, and the inability of frames with
no-accept-focus to receive keyboard input on Haiku.
(Font and Color Parameters): Explain the different font backends
available on Haiku.
(Raising and Lowering): Explain that lowering and restacking frames
doesn't work on Haiku.
(Child Frames): Explain oddities of child frame visibility on Haiku.

* doc/lispref/os.texi (System Environment): Explain meaning of haiku
.
* etc/MACHINES: Add appropriate notices for Haiku.
* etc/NEWS: Document changes.
* etc/PROBLEMS: Document font spacing bug on Haiku.

* lib-src/Makefile.in: Build be-resources binary on Haiku.
(CXX, CXXFLAGS, NON_CXX_FLAGS, ALL_CXXFLAGS)
(HAVE_BE_APP, HAIKU_LIBS, HAIKU_CFLAGS): New variables.
(DONT_INSTALL): Add be-resources binary if on Haiku.
(be-resources): New target.

* lib-src/be_resources: Add helper binary for setting resources on
the Emacs application.

* lib-src/emacsclient.c (decode_options): Set alt_display to "be"
on Haiku.

* lisp/cus-edit.el (custom-button, custom-button-mouse)
(custom-button-unraised, custom-button-pressed): Update face
definitions for Haiku.

* lisp/cus-start.el: Add haiku-debug-on-fatal-error and
haiku-use-system-tooltips.

* lisp/faces.el (face-valid-attribute-values): Clarify attribute
comment for Haiku.
(tool-bar): Add appropriate toolbar color for Haiku.

* lisp/frame.el (haiku-frame-geometry)
(haiku-mouse-absolute-pixel-position)
(haiku-set-mouse-absolute-pixel-position)
(haiku-frame-edges)
(haiku-frame-list-z-order): New function declarations.

(frame-geometry, frame-edges)
(mouse-absolute-pixel-position)
(set-mouse-absolute-pixel-position)
(frame-list-z-order): Call appropriate window system functions
on Haiku.

(display-mouse-p, display-graphic-p)
(display-images-p, 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): Update type tests
for Haiku.

* lisp/international/mule-cmds.el (set-coding-system-map): Also
prevent set-terminal-coding-system from appearing in the menu bar
on Haiku.

* lisp/loadup.el: Load Haiku-specific files when built with Haiku,
and don't rename newly built Emacs on Haiku as BFS doesn't support
hard links.

* lisp/menu-bar.el (menu-bar-open): Add for Haiku.

* lisp/mwheel.el (mouse-wheel-down-event): Expect wheel-up on Haiku.
(mouse-wheel-up-event): Expect wheel-down on Haiku.
(mouse-wheel-left-event): Expect wheel-left on Haiku.
(mouse-wheel-right-event): Expect wheel-right on Haiku.

* lisp/net/browse-url.el (browse-url--browser-defcustom-type):
Add option for WebPositive.
(browse-url-webpositive-program): New variable.
(browse-url-default-program): Search for WebPositive.
(browse-url-webpositive): New function.

* lisp/net/eww.el (eww-form-submit, eww-form-file)
(eww-form-checkbox, eww-form-select): Define faces appropriately
for Haiku.

* lisp/term/haiku-win.el: New file.

* lisp/tooltip.el (menu-or-popup-active-p): New function declaration.
(tooltip-show-help): Don't use tooltips on Haiku when a menu is active.

* lisp/version.el (haiku-get-version-string): New function declaration.
(emacs-version): Add Haiku version string if appropriate.

* src/Makefile.in: Also produce binary named "Emacs" with Haiku resources
set.

(CXX, HAIKU_OBJ, HAIKU_CXX_OBJ, HAIKU_LIBS)
(HAIKU_CFLAGS, HAVE_BE_APP, NON_CXX_FLAGS, ALL_CXX_FLAGS): New
variables.

(.SUFFIXES): Add .cc.
(.cc.o): New target.
(base_obj): Add Haiku C objects.
(doc_obj, obj): Split objects that should scanned for documentation
into doc_obj.
(SOME_MACHINE_OBJECTS): Add appropriate Haiku C objects.
(all): Depend on Emacs and Emacs.pdmp on Haiku.
(LIBES): Add Haiku libraries.
(gl-stamp)
($(etc)/DOC): Scan doc_obj instead of obj
(temacs$(EXEEXT): Use C++ linker on Haiku.
(ctagsfiles3): New variable.
(TAGS): Scan C++ files.

* src/alloc.c (garbage_collect): Mark Haiku display.

* src/dispextern.h (HAVE_NATIVE_TRANSFORMS): Also enable on Haiku.
(struct image): Add fields for Haiku transforms.
(RGB_PIXEL_COLOR): Define to unsigned long on Haiku as well.
(sit_for): Also check USABLE_SIGPOLL.
(init_display_interactive): Set initial window system to Haiku on
Haiku builds.

* src/emacs.c (main): Define Haiku syms and init haiku clipboard.
(shut_down_emacs): Quit BApplication on Haiku and trigger debug
on aborts if haiku_debug_on_fatal_error.
(Vsystem_type): Update docstring.

* src/fileio.c (next-read-file-uses-dialog-p): Enable on Haiku.

* src/filelock.c (WTMP_FILE): Only define if BOOT_TIME is also
defined.

* src/floatfns.c (double_integer_scale): Work around Haiku libroot
brain damage.

* src/font.c (syms_of_font): Define appropriate font driver symbols
for Haiku builds with various options.

* src/font.h: Also enable ftcrfont on Haiku builds with Cairo.
(font_data_structures_may_be_ill_formed): Also enable on Haiku
builds that have FreeType or Cairo.

* src/frame.c (Fframep): Update doc-string for Haiku builds and
return haiku if appropriate.
(syms_of_frame): New symbol `haiku'.

* src/frame.h (struct frame): Add output data for Haiku.
(FRAME_HAIKU_P): New macro.
(FRAME_WINDOW_P): Test for Haiku frames as well.

* src/ftbefont.c: New file.
* src/ftcrfont.c (RED_FROM_ULONG, GREEN_FROM_ULONG)
(BLUE_FROM_ULONG): New macros.
(ftcrfont_draw): Add haiku specific code for BE_CAIRO builds.

* src/ftfont.c (ftfont_open): Set face.
(ftfont_has_char, ftfont_text_extents): Work around crash.
(syms_of_ftfont): New symbol `mono'.

* src/ftfont.h (struct font_info): Enable cairo fields for BE_CAIRO
builds, and add face and shape cache fields for ftbefont.

* src/haiku_draw_support.cc:
* src/haiku_font_support.cc:
* src/haiku_freetype.cc:
* src/haiku_io.c:
* src/haiku_select.cc:
* src/haiku_support.cc:
* src/haiku_support.h:
* src/haikufns.c:
* src/haikufont.c:
* src/haikugui.h:
* src/haikuimage.c:
* src/haikumenu.c:
* src/haikuselect.c:
* src/haikuselect.h:
* src/haikuterm.c:
* src/haikuterm.h: Add new files for Haiku windowing support.

* src/image.c: Implement image transforms and native XPM support
on Haiku.

(GET_PIXEL, PUT_PIXEL, NO_PIXMAP)
(PIX_MASK_RETAIN, PIX_MASK_DRAW)
(RGB_TO_ULONG, RED_FROM_ULONG, GREEN_FROM_ULONG)
(BLUE_FROM_ULONG, RED16_FROM_ULONG, GREEN16_FROM_ULONG)
(BLUE16_FROM_ULONG): Define to appropriate values on Haiku.

(image_create_bitmap_from_data): Add Haiku support.
(image_create_bitmap_from_file): Add TODO on Haiku.
(free_bitmap_record): Free bitmap on Haiku.
(image_size_in_bytes): Implement for Haiku bitmaps.
(image_set_transform): Implement on Haiku.
(image_create_x_image_and_pixmap_1): Implement on Haiku, 24-bit or
1-bit only.
(image_destroy_x_image, image_get_x_image): Use correct img and
pixmap values on Haiku.
(lookup_rgb_color): Use correct macro on Haiku.
(image_to_emacs_colors): Implement on Haiku.
(image_disable_image): Disable on Haiku.
(image_can_use_native_api): Test for translator presence on Haiku.
(native_image_load): Use translator on Haiku.
(imagemagick_load_image): Add Haiku-specific quirks.
(Fimage_transforms_p): Allow rotate90 on Haiku.
(image_types): Enable native XPM support on Haiku.
(syms_of_image): Enable XPM images on Haiku.

* src/keyboard.c (kbd_buffer_get_event)
(handle_async_input, handle_input_available_signal)
(handle_user_signal, Fset_input_interrupt_mode)
(init_keyboard): Check for USABLE_SIGPOLL along with USABLE_SIGIO.

(make_lispy_event, kbd_buffer_get_event)
(syms_of_keyboard): Handle special Haiku events.

* src/lisp.h (pD): Work around broken Haiku headers.
(HAVE_EXT_MENU_BAR): Define on Haiku.
(handle_input_available_signal): Enable if we just have SIGPOLL
as well.

* src/menu.c (have_boxes): Return true on Haiku.
(single_menu_item): Enable toolkit menus on Haiku.
(find_and_call_menu_selection): Also enable on Haiku.

* src/process.c (keyboard_bit_set): Enable with only usable SIGPOLL.
(wait_reading_process_output): Test for SIGPOLL as well as SIGIO
availability.

* src/sound.c (sound_perror, vox_open)
(vox_configure, vox_close): Enable for usable SIGPOLL as well.

* src/sysdep.c (sys_subshell): Enable for usable SIGPOLL.
(reset_sigio): Make conditional on F_SETOWN.
(request_sigio, unrequest_sigio)
(emacs_sigaction_init): Also handle SIGPOLLs.
(init_sys_modes): Disable TCXONC usage on Haiku, as it doesn't
have any ttys other than pseudo ttys, which don't support C-s/C-q
flow control.
(speeds): Disable high speeds if HAVE_TINY_SPEED_T.
(list_system_processes, system_process_attributes): Implement for
Haiku.

* src/termhooks.h (enum output_method): Add output_haiku.
(enum event_kind): Add HAIKU_REFS_FOUND_EVENT and
HAIKU_QUIT_REQUESTED_EVENT.
(struct terminal): Add Haiku display info.
(TERMINAL_FONT_CACHE): Enable for Haiku.

* src/terminal.c (Fterminal_live_p): Return `haiku' if appropriate.
* src/verbose.mk.in (AM_V_CXX, AM_V_CXXLD): New logging variables.

* src/xdisp.c (redisplay_internal, note_mouse_highlight): Return on
Haiku if a popup is activated.
(display_menu_bar): Return on Haiku if frame is a Haiku frame.

* src/xfaces.c (GCGraphicsExposures): Enable correctly on Haiku.
(x_create_gc): Enable dummy GC code on Haiku.

* src/xfns.c (x-server-version, x-file-dialog): Add Haiku specifics
to doc strings.

* src/xterm.c (syms_of_xterm): Add Haiku information to doc string.

Attachment: haiku-emacs.patch
Description: Text Data


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