annotate src/dragdrop.c @ 4952:19a72041c5ed

Mule-izing, various fixes related to char * arguments -------------------- ChangeLog entries follow: -------------------- modules/ChangeLog addition: 2010-01-26 Ben Wing <ben@xemacs.org> * postgresql/postgresql.c: * postgresql/postgresql.c (CHECK_LIVE_CONNECTION): * postgresql/postgresql.c (print_pgresult): * postgresql/postgresql.c (Fpq_conn_defaults): * postgresql/postgresql.c (Fpq_connectdb): * postgresql/postgresql.c (Fpq_connect_start): * postgresql/postgresql.c (Fpq_result_status): * postgresql/postgresql.c (Fpq_res_status): Mule-ize large parts of it. 2010-01-26 Ben Wing <ben@xemacs.org> * ldap/eldap.c (print_ldap): * ldap/eldap.c (allocate_ldap): Use write_ascstring(). src/ChangeLog addition: 2010-01-26 Ben Wing <ben@xemacs.org> * alloc.c: * alloc.c (build_ascstring): * alloc.c (build_msg_cistring): * alloc.c (staticpro_1): * alloc.c (staticpro_name): * alloc.c (staticpro_nodump_1): * alloc.c (staticpro_nodump_name): * alloc.c (unstaticpro_nodump_1): * alloc.c (mcpro_1): * alloc.c (mcpro_name): * alloc.c (object_memory_usage_stats): * alloc.c (common_init_alloc_early): * alloc.c (init_alloc_once_early): * buffer.c (print_buffer): * buffer.c (vars_of_buffer): * buffer.c (common_init_complex_vars_of_buffer): * buffer.c (init_initial_directory): * bytecode.c (invalid_byte_code): * bytecode.c (print_compiled_function): * bytecode.c (mark_compiled_function): * chartab.c (print_table_entry): * chartab.c (print_char_table): * config.h.in: * console-gtk.c: * console-gtk.c (gtk_device_to_console_connection): * console-gtk.c (gtk_semi_canonicalize_console_connection): * console-gtk.c (gtk_canonicalize_console_connection): * console-gtk.c (gtk_semi_canonicalize_device_connection): * console-gtk.c (gtk_canonicalize_device_connection): * console-stream.c (stream_init_frame_1): * console-stream.c (vars_of_console_stream): * console-stream.c (init_console_stream): * console-x.c (x_semi_canonicalize_console_connection): * console-x.c (x_semi_canonicalize_device_connection): * console-x.c (x_canonicalize_device_connection): * console-x.h: * data.c (eq_with_ebola_notice): * data.c (Fsubr_interactive): * data.c (Fnumber_to_string): * data.c (digit_to_number): * device-gtk.c (gtk_init_device): * device-msw.c (print_devmode): * device-x.c (x_event_name): * dialog-msw.c (handle_directory_dialog_box): * dialog-msw.c (handle_file_dialog_box): * dialog-msw.c (vars_of_dialog_mswindows): * doc.c (weird_doc): * doc.c (Fsnarf_documentation): * doc.c (vars_of_doc): * dumper.c (pdump): * dynarr.c: * dynarr.c (Dynarr_realloc): * editfns.c (Fuser_real_login_name): * editfns.c (get_home_directory): * elhash.c (print_hash_table_data): * elhash.c (print_hash_table): * emacs.c (main_1): * emacs.c (vars_of_emacs): * emodules.c: * emodules.c (_emodules_list): * emodules.c (Fload_module): * emodules.c (Funload_module): * emodules.c (Flist_modules): * emodules.c (find_make_module): * emodules.c (attempt_module_delete): * emodules.c (emodules_load): * emodules.c (emodules_doc_subr): * emodules.c (emodules_doc_sym): * emodules.c (syms_of_module): * emodules.c (vars_of_module): * emodules.h: * eval.c (print_subr): * eval.c (signal_call_debugger): * eval.c (build_error_data): * eval.c (signal_error): * eval.c (maybe_signal_error): * eval.c (signal_continuable_error): * eval.c (maybe_signal_continuable_error): * eval.c (signal_error_2): * eval.c (maybe_signal_error_2): * eval.c (signal_continuable_error_2): * eval.c (maybe_signal_continuable_error_2): * eval.c (signal_ferror): * eval.c (maybe_signal_ferror): * eval.c (signal_continuable_ferror): * eval.c (maybe_signal_continuable_ferror): * eval.c (signal_ferror_with_frob): * eval.c (maybe_signal_ferror_with_frob): * eval.c (signal_continuable_ferror_with_frob): * eval.c (maybe_signal_continuable_ferror_with_frob): * eval.c (syntax_error): * eval.c (syntax_error_2): * eval.c (maybe_syntax_error): * eval.c (sferror): * eval.c (sferror_2): * eval.c (maybe_sferror): * eval.c (invalid_argument): * eval.c (invalid_argument_2): * eval.c (maybe_invalid_argument): * eval.c (invalid_constant): * eval.c (invalid_constant_2): * eval.c (maybe_invalid_constant): * eval.c (invalid_operation): * eval.c (invalid_operation_2): * eval.c (maybe_invalid_operation): * eval.c (invalid_change): * eval.c (invalid_change_2): * eval.c (maybe_invalid_change): * eval.c (invalid_state): * eval.c (invalid_state_2): * eval.c (maybe_invalid_state): * eval.c (wtaerror): * eval.c (stack_overflow): * eval.c (out_of_memory): * eval.c (print_multiple_value): * eval.c (issue_call_trapping_problems_warning): * eval.c (backtrace_specials): * eval.c (backtrace_unevalled_args): * eval.c (Fbacktrace): * eval.c (warn_when_safe): * event-Xt.c (modwarn): * event-Xt.c (modbarf): * event-Xt.c (check_modifier): * event-Xt.c (store_modifier): * event-Xt.c (emacs_Xt_format_magic_event): * event-Xt.c (describe_event): * event-gtk.c (dragndrop_data_received): * event-gtk.c (store_modifier): * event-gtk.c (gtk_reset_modifier_mapping): * event-msw.c (dde_eval_string): * event-msw.c (Fdde_alloc_advise_item): * event-msw.c (mswindows_dde_callback): * event-msw.c (FROB): * event-msw.c (emacs_mswindows_format_magic_event): * event-stream.c (external_debugging_print_event): * event-stream.c (execute_help_form): * event-stream.c (vars_of_event_stream): * events.c (print_event_1): * events.c (print_event): * events.c (event_equal): * extents.c (print_extent_1): * extents.c (print_extent): * extents.c (vars_of_extents): * faces.c (print_face): * faces.c (complex_vars_of_faces): * file-coding.c: * file-coding.c (print_coding_system): * file-coding.c (print_coding_system_in_print_method): * file-coding.c (default_query_method): * file-coding.c (find_coding_system): * file-coding.c (make_coding_system_1): * file-coding.c (chain_print): * file-coding.c (undecided_print): * file-coding.c (gzip_print): * file-coding.c (vars_of_file_coding): * file-coding.c (complex_vars_of_file_coding): * fileio.c: * fileio.c (report_file_type_error): * fileio.c (report_error_with_errno): * fileio.c (report_file_error): * fileio.c (barf_or_query_if_file_exists): * fileio.c (vars_of_fileio): * floatfns.c (matherr): * fns.c (print_bit_vector): * fns.c (Fmapconcat): * fns.c (add_suffix_to_symbol): * fns.c (add_prefix_to_symbol): * frame-gtk.c: * frame-gtk.c (Fgtk_window_id): * frame-x.c (def): * frame-x.c (x_cde_transfer_callback): * frame.c: * frame.c (Fmake_frame): * gc.c (show_gc_cursor_and_message): * gc.c (vars_of_gc): * glyphs-eimage.c (png_instantiate): * glyphs-eimage.c (tiff_instantiate): * glyphs-gtk.c (gtk_print_image_instance): * glyphs-msw.c (mswindows_print_image_instance): * glyphs-x.c (x_print_image_instance): * glyphs-x.c (update_widget_face): * glyphs.c (make_string_from_file): * glyphs.c (print_image_instance): * glyphs.c (signal_image_error): * glyphs.c (signal_image_error_2): * glyphs.c (signal_double_image_error): * glyphs.c (signal_double_image_error_2): * glyphs.c (xbm_mask_file_munging): * glyphs.c (pixmap_to_lisp_data): * glyphs.h: * gui.c (gui_item_display_flush_left): * hpplay.c (player_error_internal): * hpplay.c (myHandler): * intl-win32.c: * intl-win32.c (langcode_to_lang): * intl-win32.c (sublangcode_to_lang): * intl-win32.c (Fmswindows_get_locale_info): * intl-win32.c (lcid_to_locale_mule_or_no): * intl-win32.c (mswindows_multibyte_to_unicode_print): * intl-win32.c (complex_vars_of_intl_win32): * keymap.c: * keymap.c (print_keymap): * keymap.c (ensure_meta_prefix_char_keymapp): * keymap.c (Fkey_description): * keymap.c (Ftext_char_description): * lisp.h: * lisp.h (struct): * lisp.h (DECLARE_INLINE_HEADER): * lread.c (Fload_internal): * lread.c (locate_file): * lread.c (read_escape): * lread.c (read_raw_string): * lread.c (read1): * lread.c (read_list): * lread.c (read_compiled_function): * lread.c (init_lread): * lrecord.h: * marker.c (print_marker): * marker.c (marker_equal): * menubar-msw.c (displayable_menu_item): * menubar-x.c (command_builder_operate_menu_accelerator): * menubar.c (vars_of_menubar): * minibuf.c (reinit_complex_vars_of_minibuf): * minibuf.c (complex_vars_of_minibuf): * mule-charset.c (Fmake_charset): * mule-charset.c (complex_vars_of_mule_charset): * mule-coding.c (iso2022_print): * mule-coding.c (fixed_width_query): * number.c (bignum_print): * number.c (ratio_print): * number.c (bigfloat_print): * number.c (bigfloat_finalize): * objects-msw.c: * objects-msw.c (mswindows_color_to_string): * objects-msw.c (mswindows_color_list): * objects-tty.c: * objects-tty.c (tty_font_list): * objects-tty.c (tty_find_charset_font): * objects-xlike-inc.c (xft_find_charset_font): * objects-xlike-inc.c (endif): * print.c: * print.c (write_istring): * print.c (write_ascstring): * print.c (Fterpri): * print.c (Fprint): * print.c (print_error_message): * print.c (print_vector_internal): * print.c (print_cons): * print.c (print_string): * print.c (printing_unreadable_object): * print.c (print_internal): * print.c (print_float): * print.c (print_symbol): * process-nt.c (mswindows_report_winsock_error): * process-nt.c (nt_canonicalize_host_name): * process-unix.c (unix_canonicalize_host_name): * process.c (print_process): * process.c (report_process_error): * process.c (report_network_error): * process.c (make_process_internal): * process.c (Fstart_process_internal): * process.c (status_message): * process.c (putenv_internal): * process.c (vars_of_process): * process.h: * profile.c (vars_of_profile): * rangetab.c (print_range_table): * realpath.c (vars_of_realpath): * redisplay.c (vars_of_redisplay): * search.c (wordify): * search.c (Freplace_match): * sheap.c (sheap_adjust_h): * sound.c (report_sound_error): * sound.c (Fplay_sound_file): * specifier.c (print_specifier): * symbols.c (Fsubr_name): * symbols.c (do_symval_forwarding): * symbols.c (set_default_buffer_slot_variable): * symbols.c (set_default_console_slot_variable): * symbols.c (store_symval_forwarding): * symbols.c (default_value): * symbols.c (defsymbol_massage_name_1): * symbols.c (defsymbol_massage_name_nodump): * symbols.c (defsymbol_massage_name): * symbols.c (defsymbol_massage_multiword_predicate_nodump): * symbols.c (defsymbol_massage_multiword_predicate): * symbols.c (defsymbol_nodump): * symbols.c (defsymbol): * symbols.c (defkeyword): * symbols.c (defkeyword_massage_name): * symbols.c (check_module_subr): * symbols.c (deferror_1): * symbols.c (deferror): * symbols.c (deferror_massage_name): * symbols.c (deferror_massage_name_and_message): * symbols.c (defvar_magic): * symeval.h: * symeval.h (DEFVAR_SYMVAL_FWD): * sysdep.c: * sysdep.c (init_system_name): * sysdll.c: * sysdll.c (MAYBE_PREPEND_UNDERSCORE): * sysdll.c (dll_function): * sysdll.c (dll_variable): * sysdll.c (dll_error): * sysdll.c (dll_open): * sysdll.c (dll_close): * sysdll.c (image_for_address): * sysdll.c (my_find_image): * sysdll.c (search_linked_libs): * sysdll.h: * sysfile.h: * sysfile.h (DEFAULT_DIRECTORY_FALLBACK): * syswindows.h: * tests.c (DFC_CHECK_LENGTH): * tests.c (DFC_CHECK_CONTENT): * tests.c (Ftest_hash_tables): * text.c (vars_of_text): * text.h: * tooltalk.c (tt_opnum_string): * tooltalk.c (tt_message_arg_ival_string): * tooltalk.c (Ftooltalk_default_procid): * tooltalk.c (Ftooltalk_default_session): * tooltalk.c (init_tooltalk): * tooltalk.c (vars_of_tooltalk): * ui-gtk.c (Fdll_load): * ui-gtk.c (type_to_marshaller_type): * ui-gtk.c (Fgtk_import_function_internal): * ui-gtk.c (emacs_gtk_object_printer): * ui-gtk.c (emacs_gtk_boxed_printer): * unicode.c (unicode_to_ichar): * unicode.c (unicode_print): * unicode.c (unicode_query): * unicode.c (vars_of_unicode): * unicode.c (complex_vars_of_unicode): * win32.c: * win32.c (mswindows_report_process_error): * window.c (print_window): * xemacs.def.in.in: BASIC IDEA: Further fixing up uses of char * and CIbyte * to reflect their actual semantics; Mule-izing some code; redoing of the not-yet-working code to handle message translation. Clean up code to handle message-translation (not yet working). Create separate versions of build_msg_string() for working with Ibyte *, CIbyte *, and Ascbyte * arguments. Assert that Ascbyte * arguments are pure-ASCII. Make build_msg_string() be the same as build_msg_ascstring(). Create same three versions of GETTEXT() and DEFER_GETTEXT(). Also create build_defer_string() and variants for the equivalent of DEFER_GETTEXT() when building a string. Remove old CGETTEXT(). Clean up code where GETTEXT(), DEFER_GETTEXT(), build_msg_string(), etc. was being called and introduce some new calls to build_msg_string(), etc. Remove GETTEXT() from calls to weird_doc() -- we assume that the message snarfer knows about weird_doc(). Remove uses of DEFER_GETTEXT() from error messages in sysdep.c and instead use special comments /* @@@begin-snarf@@@ */ and /* @@@end-snarf@@@ */ that the message snarfer presumably knows about. Create build_ascstring() and use it in many instances in place of build_string(). The purpose of having Ascbyte * variants is to make the code more self-documenting in terms of what sort of semantics is expected for char * strings. In fact in the process of looking for uses of build_string(), much improperly Mule-ized was discovered. Mule-ize a lot of code as described in previous paragraph, e.g. in sysdep.c. Make the error functions take Ascbyte * strings and fix up a couple of places where non-pure-ASCII strings were being passed in (file-coding.c, mule-coding.c, unicode.c). (It's debatable whether we really need to make the error functions work this way. It helps catch places where code is written in a way that message translation won't work, but we may well never implement message translation.) Make staticpro() and friends take Ascbyte * strings instead of raw char * strings. Create a const_Ascbyte_ptr dynarr type to describe what's held by staticpro_names[] and friends, create pdump descriptions for const_Ascbyte_ptr dynarrs, and use them in place of specially-crafted staticpro descriptions. Mule-ize certain other functions (e.g. x_event_name) by correcting raw use of char * to Ascbyte *, Rawbyte * or another such type, and raw use of char[] buffers to another type (usually Ascbyte[]). Change many uses of write_c_string() to write_msg_string(), write_ascstring(), etc. Mule-ize emodules.c, emodules.h, sysdll.h. Fix some un-Mule-ized code in intl-win32.c. A comment in event-Xt.c and the limitations of the message snarfer (make-msgfile or whatever) is presumably incorrect -- it should be smart enough to handle function calls spread over more than one line. Clean up code in event-Xt.c that was written awkwardly for this reason. In config.h.in, instead of NEED_ERROR_CHECK_TYPES_INLINES, create a more general XEMACS_DEFS_NEEDS_INLINE_DECLS to indicate when inlined functions need to be declared in xemacs.defs.in.in, and make use of it in xemacs.defs.in.in. We need to do this because postgresql.c now calls qxestrdup(), which is an inline function. Make nconc2() and other such functions MODULE_API and put them in xemacs.defs.in.in since postgresql.c now uses them. Clean up indentation in lread.c and a few other places. In text.h, document ASSERT_ASCTEXT_ASCII() and ASSERT_ASCTEXT_ASCII_LEN(), group together the stand-in encodings and add some more for DLL symbols, function and variable names, etc.
author Ben Wing <ben@xemacs.org>
date Tue, 26 Jan 2010 23:22:30 -0600
parents bc4f2511bbea
children 308d34e9f07d
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1 /* Drag'n'Drop definitions
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2 created 03-may-98 by Oliver Graf <ograf@fga.de>
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3 Copyright (C) 1998 Oliver Graf <ograf@fga.de>
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4 Copyright (C) 2004 Ben Wing.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* This file should be Mule-ized. */
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26
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27 /* A short introduction to the new Drag'n'Drop Model:
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28
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29 A drop generates a extended misc-user-event, as defined in events.[ch].
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30 This event contains the same as a eval and a button event.
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31 The function of a drop is set to 'dragdrop-drop-dispatch' which will be
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32 defined in ../lisp/dragdrop.el.
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33 The object of the misc-user-event has the following format:
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34 ( TYPE . DATA )
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35 TYPE is one of `dragdrop-MIME' and `dragdrop-URL'
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36 DATA - if TYPE is `dragdrop-URL', DATA is a list of valid URL strings. It
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37 is always a list, also if only one URL string is within it.
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38 - if TYPE is `dragdrop-MIME', DATA is a list of MIME elements.
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39 Each can be a string or a list.
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40 if it is a string it is the pure MIME data complete with header
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41 and body.
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42 if it is a list it should look like
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43 ( MIME-TYPE MIME-ENCODING MIME-DATA )
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44 MIME-TYPE list of type and key.value conses. Same as in tm-view
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45 MIME-ENC the same (a string in this case)
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46 MIME-DATA is a string
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47 */
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48
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49 #include <config.h>
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50 #include "lisp.h"
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51 #include "dragdrop.h"
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52
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53 /* The supported protocol list */
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54 Lisp_Object Vdragdrop_protocols;
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55
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56 /* Drag'n'Drop data types known by XEmacs */
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57 Lisp_Object Qdragdrop_MIME;
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58 Lisp_Object Qdragdrop_URL;
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59
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60 /* External defined functions to handle Drag'n'Drop */
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61 Lisp_Object Qdragdrop_drop_dispatch;
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62
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63 /* from wget -- thanxx Hrvoje */
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64 /* A list of unsafe characters for encoding, as per RFC1738. '@' and
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65 ':' (not listed in RFC) were added because of user/password
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66 encoding, and \033 for safe printing. */
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67
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68 #define URL_UNSAFE " <>\"#%{}|\\^~[]`@:\033"
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69
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70 /* HEX digit -> ASCII char */
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71 #define HEXD2ASC(x) (((x) < 10) ? ((x) + '0') : ((x) - 10 + 'A'))
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72
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73 /* Encodes the unsafe characters (listed in URL_UNSAFE) in a given
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74 string, returning a malloc-ed %XX encoded string.
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75 if method is != NULL it is prepended to the string. */
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76 Ibyte *
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77 dnd_url_hexify_string (const Ibyte *s, const Ibyte *m)
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78 {
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79 const Ibyte *b;
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80 Ibyte *p, *res;
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81 Bytecount i;
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82
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83 b = s;
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84 for (i = 0; *s; s++, i++)
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85 if (strchr (URL_UNSAFE, *s))
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86 i += 2; /* Two more characters (hex digits) */
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87 if (m)
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88 {
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89 res = xnew_ibytes (i + ITEXT_ZTERM_SIZE + qxestrlen (m));
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90 qxestrcpy (res, m);
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91 p = res + qxestrlen (m);
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92 }
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93 else
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94 {
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95 res = xnew_ibytes (i + ITEXT_ZTERM_SIZE);
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96 p = res;
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97 }
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98 for (s = b; *s; s++)
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99 if (strchr (URL_UNSAFE, *s))
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100 {
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101 const Ibyte c = *s;
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102 *p++ = '%';
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103 *p++ = HEXD2ASC (c >> 4);
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104 *p++ = HEXD2ASC (c & 0xf);
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105 }
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106 else
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107 *p++ = *s;
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108 *p = '\0';
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109 return res;
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110 }
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111
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112 void
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113 syms_of_dragdrop (void)
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114 {
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115 DEFSYMBOL (Qdragdrop_MIME);
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116 DEFSYMBOL (Qdragdrop_URL);
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117 DEFSYMBOL (Qdragdrop_drop_dispatch);
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118 }
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119
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120 void
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121 vars_of_dragdrop (void)
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122 {
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123 Fprovide (intern ("dragdrop-api"));
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124
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125 DEFVAR_CONST_LISP ("dragdrop-protocols", &Vdragdrop_protocols /*
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126 A list of supported Drag'n'drop protocols.
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127 Each element is the feature symbol of the protocol.
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128 */ );
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129
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130 Vdragdrop_protocols = Qnil;
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131
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132 #ifdef HAVE_MS_WINDOWS
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133 Vdragdrop_protocols = Fcons (Qmswindows, Vdragdrop_protocols);
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134 #endif
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135 #ifdef HAVE_CDE
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136 Vdragdrop_protocols = Fcons (intern ("cde"), Vdragdrop_protocols);
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137 #endif
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138 #ifdef HAVE_GTK
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139 Vdragdrop_protocols = Fcons (Qgtk, Vdragdrop_protocols);
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140 #endif
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141 }