annotate src/scrollbar.c @ 1204:e22b0213b713

[xemacs-hg @ 2003-01-12 11:07:58 by michaels] modules/ChangeLog: 2002-12-16 Ben Wing <ben@xemacs.org> * postgresql/postgresql.c: remove ifdef USE_KKCC. src/ChangeLog: 2003-01-08 Mike Sperber <mike@xemacs.org> * console.h (CDFW_CONSOLE): Don't lead to a crash if we're dealing with a dead window/frame/device/console. 2002-12-20 Mike Sperber <mike@xemacs.org> * ui-gtk.c: Fix typo from Ben's patch: emacs_ffi_data is a typedef, not a struct. emacs_gtk_object_data is a typedef, not a struct. * gtk-glue.c (gdk_event_to_emacs_event): Fix typos from Ben's patch: le -> emacs_event + rearrange the code. * event-gtk.c (gtk_event_to_emacs_event): Fix typos from Ben's patch: ..._UNDERLYING_GDK_EVENT -> ..._GDK_EVENT, ev -> key_event. * device-gtk.c: Fix typo from Ben's patch: x_keysym_map_hash_table -> x_keysym_map_hashtable. 2002-12-19 Mike Sperber <mike@xemacs.org> * menubar-x.c (set_frame_menubar): Initialize protect_me field of popup_data. 2002-12-16 Ben Wing <ben@xemacs.org> Major cleanup of KKCC, etc. KKCC, pdump-related: -- descriptions are written for all objects. this required some changes in the format of some objects, e.g. extents, popup-data, coding system, lstream, lcrecord-list. -- KKCC now handles weakness in markers, hash tables, elsewhere correctly (formerly, you'd eventually get a stack overflow due to endlessly expanding markers). -- textual changes: lrecord_description -> memory_description, struct_description -> sized_memory_description. -- extensive comment describing descriptions and pdump. -- redo XD_UNION so it works inline and change its format to provide sufficient info for pdump. implement XD_UNION in pdump. also add XD_UNION_DYNAMIC_SIZE, which works like XD_UNION except for when auto-computing structure sizes. -- add support for XD_INDIRECT in description offsets (used by extents). -- add support for "description maps", allowing for indirect descriptions that are retrieved from an object at run-time. this generalizes XD_CODING_SYSTEM_END, XD_SPECIFIER_END, etc., which have now been eliminated. -- add a fifth field "flags" to memory_description, to support flags that can be specified for this particular line. Currently defined flags are XD_FLAG_NO_KKCC (KKCC should ignore this entry; useful for the weakness above in markers, etc.), XD_FLAG_NO_PDUMP (pdump should ignore this entry), XD_FLAG_UNION_DEFAULT_ENTRY (in union maps, this specifies a "default" entry for all remaining values), and XD_FLAG_FREE_LISP_OBJECT (for use with lcrecord-lists). -- clean up the kkcc-itis in events, so that the differences between event data as separate objects and as a union are now minimized to a small number of places. with the new XD_UNION, we no longer need event data as separate objects, so this code is no longer ifdef USE_KKCC, but instead ifdef EVENT_DATA_AS_OBJECTS, not used by default. make sure that we explicitly free the separate event data objects when no longer in use, to maintain the invariant the event processing causes no consing. -- also remove other USE_KKCC ifdefs when not necessary. -- allow for KKCC compilation under MS Windows. -- fix README.kkcc. -- dump_add_root_object -> dump_add_root_lisp_object. -- implement dump_add_root_block and use this to handle dump_add_opaque. -- factor out some code duplicated in kkcc and pdump. Other allocation/object-related: -- change various *slots.h so MARKED_SLOT() call no longer includes semicolon. -- free_marker() takes a Lisp_Object not a direct pointer. -- make bit vectors lcrecords, like vectors, and eliminate code that essentially duplicated the lcrecord handling. -- additional asserts in FREE_FIXED_TYPE, formerly duplicated in the various callers of this. -- all lcrecord allocation functions now zero out the returned lcrecords. unnecessary calls to zero_lcrecord removed. add long comment describing these functions. -- extract out process and coding system slots, like for buffers, frames, etc. -- lcrecords now set the type of items sitting on the free list to lcrecord_type_free. -- changes to the way that gap arrays are allocated, for kkcc's benefit -- now, one single memory block with a stretchy array on the end, instead of a separate block holding the array. Error-checking-related: -- now can compile with C++ under MS Windows. clean up compile errors discovered that way. (a few were real problems) -- add C++ error-checking code to verify problems with mismatched GCPRO/UNGCPRO. (there were a few in the kkcc code.) add long comment about how to catch insufficient GCPRO (yes, it's possible using C++). -- add debug_p4(), a simple object printer, when debug_print() doesn't work. -- add dp() and db() as short synonyms of debug_print(), debug_backtrace(). -- `print' tries EXTREMELY hard to avoid core dumping when printing when crashing or from debug_print(), and tries as hard as it reasonably can in other situations. -- Correct the message output upon crashing to be more up-to-date. Event-related: -- document event-matches-key-specifier-p better. -- generalize the dispatch queues formerly duplicated in the various event implementations. add event methods to drain pending events. generalize and clean up QUIT handling, removing event-specific quit processing. allow arbitrary keystrokes, not just ASCII, to be the QUIT char. among other things, this should fix some longstanding bugs in X quit handling. long comment describing the various event queues. -- implement delaying of XFlush() if there are pending expose events. SOMEONE PLEASE TRY THIS OUT. -- Fix `xemacs -batch -l dunnet' under Cygwin. Try to fix under MS Windows but not quite there yet. Other: -- class -> class_ and no more C++ games with this item. new -> new_ in the lwlib code, so far not elsewhere. -- use `struct htentry' not `struct hentry' in elhash.c to avoid debugger confusion with hash.c. -- new macros ALIST_LOOP_3, ALIST_LOOP_4. * README.kkcc: * alloc.c: * alloc.c (deadbeef_memory): * alloc.c (allocate_lisp_storage): * alloc.c (copy_lisp_object): * alloc.c (ALLOCATE_FIXED_TYPE_1): * alloc.c (FREE_FIXED_TYPE): * alloc.c (make_vector_internal): * alloc.c (make_bit_vector_internal): * alloc.c (make_key_data): * alloc.c (make_button_data): * alloc.c (make_motion_data): * alloc.c (make_process_data): * alloc.c (make_timeout_data): * alloc.c (make_magic_data): * alloc.c (make_magic_eval_data): * alloc.c (make_eval_data): * alloc.c (make_misc_user_data): * alloc.c (struct string_chars_block): * alloc.c (mark_lcrecord_list): * alloc.c (make_lcrecord_list): * alloc.c (alloc_managed_lcrecord): * alloc.c (free_managed_lcrecord): * alloc.c (alloc_automanaged_lcrecord): * alloc.c (staticpro_1): * alloc.c (staticpro): * alloc.c (lispdesc_indirect_count_1): * alloc.c (lispdesc_indirect_description_1): * alloc.c (lispdesc_one_description_line_size): * alloc.c (lispdesc_structure_size): * alloc.c (mark_object_maybe_checking_free): * alloc.c (mark_with_description): * alloc.c (mark_struct_contents): * alloc.c (mark_object): * alloc.c (tick_lcrecord_stats): * alloc.c (free_cons): * alloc.c (free_key_data): * alloc.c (free_button_data): * alloc.c (free_motion_data): * alloc.c (free_process_data): * alloc.c (free_timeout_data): * alloc.c (free_magic_data): * alloc.c (free_magic_eval_data): * alloc.c (free_eval_data): * alloc.c (free_misc_user_data): * alloc.c (free_marker): * alloc.c (compact_string_chars): * alloc.c (gc_sweep): * alloc.c (garbage_collect_1): * alloc.c (Fgarbage_collect): * alloc.c (common_init_alloc_early): * alloc.c (init_alloc_early): * alloc.c (init_alloc_once_early): * buffer.c: * buffer.c (mark_buffer): * buffer.c (MARKED_SLOT): * buffer.c (cleanup_buffer_undo_lists): * buffer.c (Fget_file_buffer): * buffer.h (MARKED_SLOT): * bufslots.h: * bytecode.c: * callint.c: * casetab.c: * chartab.c: * chartab.c (symbol_to_char_table_type): * cmdloop.c: * cmdloop.c (Fcommand_loop_1): * config.h.in (new): * conslots.h: * console-gtk-impl.h (struct gtk_frame): * console-impl.h: * console-impl.h (struct console): * console-impl.h (MARKED_SLOT): * console-impl.h (CONSOLE_QUIT_EVENT): * console-msw-impl.h (XM_BUMPQUEUE): * console-msw.c (write_string_to_mswindows_debugging_output): * console-msw.h: * console-stream-impl.h: * console-stream-impl.h (struct stream_console): * console-stream.c: * console-stream.c (stream_init_console): * console-stream.h: * console-tty.c: * console-tty.h: * console-x.h: * console.c: * console.c (mark_console): * console.c (MARKED_SLOT): * console.c (allocate_console): * console.c (get_console_variant): * console.c (create_console): * console.c (delete_console_internal): * console.c (Fset_input_mode): * console.c (Fcurrent_input_mode): * console.c (common_init_complex_vars_of_console): * console.h: * console.h (console_variant): * console.h (device_metrics): * data.c: * data.c (Faref): * data.c (Faset): * data.c (decode_weak_list_type): * database.c: * debug.c (xemacs_debug_loop): * debug.c (FROB): * debug.c (Fadd_debug_class_to_check): * debug.c (Fdelete_debug_class_to_check): * debug.c (Fset_debug_classes_to_check): * debug.c (Fset_debug_class_types_to_check): * debug.c (Fdebug_types_being_checked): * debug.h (DASSERT): * device-gtk.c: * device-impl.h (struct device): * device-impl.h (MARKED_SLOT): * device-msw.c: * device-x.c: * device-x.c (x_init_device_class): * device-x.c (x_comp_visual_info): * device-x.c (x_try_best_visual_class): * device-x.c (x_init_device): * device-x.c (construct_name_list): * device-x.c (x_get_resource_prefix): * device-x.c (Fx_get_resource): * device-x.c (Fx_display_visual_class): * device.c: * device.c (MARKED_SLOT): * device.c (allocate_device): * device.c (Fmake_device): * device.c (delete_device_internal): * device.c (Fset_device_class): * device.h: * devslots.h: * devslots.h (MARKED_SLOT): * dialog-msw.c: * dired-msw.c (mswindows_ls_sort_fcn): * dired-msw.c (mswindows_get_files): * dired-msw.c (mswindows_format_file): * doprnt.c (parse_doprnt_spec): * dumper.c: * dumper.c (struct): * dumper.c (dump_add_root_block): * dumper.c (dump_add_root_struct_ptr): * dumper.c (dump_add_root_lisp_object): * dumper.c (pdump_struct_list_elt): * dumper.c (pdump_get_entry_list): * dumper.c (pdump_backtrace): * dumper.c (pdump_bump_depth): * dumper.c (pdump_register_sub): * dumper.c (pdump_register_object): * dumper.c (pdump_register_struct_contents): * dumper.c (pdump_register_struct): * dumper.c (pdump_store_new_pointer_offsets): * dumper.c (pdump_dump_data): * dumper.c (pdump_reloc_one): * dumper.c (pdump_allocate_offset): * dumper.c (pdump_scan_by_alignment): * dumper.c (pdump_dump_root_blocks): * dumper.c (pdump_dump_rtables): * dumper.c (pdump_dump_root_lisp_objects): * dumper.c (pdump): * dumper.c (pdump_load_finish): * dumper.c (pdump_file_get): * dumper.c (pdump_resource_get): * dumper.c (pdump_load): * editfns.c (save_excursion_restore): * editfns.c (user_login_name): * editfns.c (save_restriction_restore): * elhash.c: * elhash.c (htentry): * elhash.c (struct Lisp_Hash_Table): * elhash.c (HTENTRY_CLEAR_P): * elhash.c (LINEAR_PROBING_LOOP): * elhash.c (check_hash_table_invariants): * elhash.c (mark_hash_table): * elhash.c (hash_table_equal): * elhash.c (print_hash_table_data): * elhash.c (free_hentries): * elhash.c (make_general_lisp_hash_table): * elhash.c (decode_hash_table_weakness): * elhash.c (decode_hash_table_test): * elhash.c (Fcopy_hash_table): * elhash.c (resize_hash_table): * elhash.c (pdump_reorganize_hash_table): * elhash.c (find_htentry): * elhash.c (Fgethash): * elhash.c (Fputhash): * elhash.c (remhash_1): * elhash.c (Fremhash): * elhash.c (Fclrhash): * elhash.c (copy_compress_hentries): * elhash.c (elisp_maphash_unsafe): * elhash.c (finish_marking_weak_hash_tables): * elhash.c (prune_weak_hash_tables): * elhash.h: * emacs.c: * emacs.c (main_1): * emacs.c (main): * emacs.c (shut_down_emacs): * emodules.h (dump_add_root_lisp_object): * eval.c: * eval.c (unwind_to_catch): * eval.c (maybe_signal_error_1): * eval.c (maybe_signal_continuable_error_1): * eval.c (maybe_signal_error): * eval.c (maybe_signal_continuable_error): * eval.c (maybe_signal_error_2): * eval.c (maybe_signal_continuable_error_2): * eval.c (maybe_signal_ferror): * eval.c (maybe_signal_continuable_ferror): * eval.c (maybe_signal_ferror_with_frob): * eval.c (maybe_signal_continuable_ferror_with_frob): * eval.c (maybe_syntax_error): * eval.c (maybe_sferror): * eval.c (maybe_invalid_argument): * eval.c (maybe_invalid_constant): * eval.c (maybe_invalid_operation): * eval.c (maybe_invalid_change): * eval.c (maybe_invalid_state): * eval.c (Feval): * eval.c (call_trapping_problems): * eval.c (call_with_suspended_errors): * eval.c (warn_when_safe_lispobj): * eval.c (warn_when_safe): * eval.c (vars_of_eval): * event-Xt.c: * event-Xt.c (maybe_define_x_key_as_self_inserting_character): * event-Xt.c (x_to_emacs_keysym): * event-Xt.c (x_event_to_emacs_event): * event-Xt.c (emacs_Xt_enqueue_focus_event): * event-Xt.c (emacs_Xt_format_magic_event): * event-Xt.c (emacs_Xt_compare_magic_event): * event-Xt.c (emacs_Xt_hash_magic_event): * event-Xt.c (emacs_Xt_handle_magic_event): * event-Xt.c (Xt_timeout_to_emacs_event): * event-Xt.c (Xt_process_to_emacs_event): * event-Xt.c (signal_special_Xt_user_event): * event-Xt.c (emacs_Xt_next_event): * event-Xt.c (emacs_Xt_event_handler): * event-Xt.c (emacs_Xt_drain_queue): * event-Xt.c (emacs_Xt_event_pending_p): * event-Xt.c (check_if_pending_expose_event): * event-Xt.c (reinit_vars_of_event_Xt): * event-Xt.c (vars_of_event_Xt): * event-gtk.c: * event-gtk.c (IS_MODIFIER_KEY): * event-gtk.c (emacs_gtk_format_magic_event): * event-gtk.c (emacs_gtk_compare_magic_event): * event-gtk.c (emacs_gtk_hash_magic_event): * event-gtk.c (emacs_gtk_handle_magic_event): * event-gtk.c (gtk_to_emacs_keysym): * event-gtk.c (gtk_timeout_to_emacs_event): * event-gtk.c (gtk_process_to_emacs_event): * event-gtk.c (dragndrop_data_received): * event-gtk.c (signal_special_gtk_user_event): * event-gtk.c (emacs_gtk_next_event): * event-gtk.c (gtk_event_to_emacs_event): * event-gtk.c (generic_event_handler): * event-gtk.c (emacs_shell_event_handler): * event-gtk.c (emacs_gtk_drain_queue): * event-gtk.c (emacs_gtk_event_pending_p): * event-gtk.c (reinit_vars_of_event_gtk): * event-gtk.c (vars_of_event_gtk): * event-msw.c: * event-msw.c (struct winsock_stream): * event-msw.c (winsock_reader): * event-msw.c (winsock_writer): * event-msw.c (mswindows_enqueue_dispatch_event): * event-msw.c (mswindows_enqueue_misc_user_event): * event-msw.c (mswindows_enqueue_magic_event): * event-msw.c (mswindows_enqueue_process_event): * event-msw.c (mswindows_enqueue_mouse_button_event): * event-msw.c (mswindows_enqueue_keypress_event): * event-msw.c (mswindows_dequeue_dispatch_event): * event-msw.c (emacs_mswindows_drain_queue): * event-msw.c (mswindows_need_event_in_modal_loop): * event-msw.c (mswindows_need_event): * event-msw.c (mswindows_wm_timer_callback): * event-msw.c (dde_eval_string): * event-msw.c (Fdde_alloc_advise_item): * event-msw.c (mswindows_dde_callback): * event-msw.c (mswindows_wnd_proc): * event-msw.c (remove_timeout_mapper): * event-msw.c (emacs_mswindows_remove_timeout): * event-msw.c (emacs_mswindows_event_pending_p): * event-msw.c (emacs_mswindows_format_magic_event): * event-msw.c (emacs_mswindows_compare_magic_event): * event-msw.c (emacs_mswindows_hash_magic_event): * event-msw.c (emacs_mswindows_handle_magic_event): * event-msw.c (emacs_mswindows_select_console): * event-msw.c (emacs_mswindows_unselect_console): * event-msw.c (reinit_vars_of_event_mswindows): * event-msw.c (vars_of_event_mswindows): * event-stream.c: * event-stream.c (mark_command_builder): * event-stream.c (reset_command_builder_event_chain): * event-stream.c (allocate_command_builder): * event-stream.c (copy_command_builder): * event-stream.c (command_builder_append_event): * event-stream.c (event_stream_event_pending_p): * event-stream.c (event_stream_force_event_pending): * event-stream.c (maybe_read_quit_event): * event-stream.c (event_stream_drain_queue): * event-stream.c (remove_quit_p_event): * event-stream.c (event_stream_quit_p): * event-stream.c (echo_key_event): * event-stream.c (maybe_kbd_translate): * event-stream.c (execute_help_form): * event-stream.c (event_stream_generate_wakeup): * event-stream.c (enqueue_dispatch_event): * event-stream.c (enqueue_magic_eval_event): * event-stream.c (Fenqueue_eval_event): * event-stream.c (enqueue_misc_user_event): * event-stream.c (enqueue_misc_user_event_pos): * event-stream.c (next_event_internal): * event-stream.c (Fnext_event): * event-stream.c (Faccept_process_output): * event-stream.c (execute_internal_event): * event-stream.c (munge_keymap_translate): * event-stream.c (command_builder_find_leaf_no_mule_processing): * event-stream.c (command_builder_find_leaf): * event-stream.c (lookup_command_event): * event-stream.c (is_scrollbar_event): * event-stream.c (execute_command_event): * event-stream.c (Fdispatch_event): * event-stream.c (Fread_key_sequence): * event-stream.c (dribble_out_event): * event-stream.c (vars_of_event_stream): * event-tty.c (tty_timeout_to_emacs_event): * event-tty.c (emacs_tty_next_event): * event-tty.c (emacs_tty_drain_queue): * event-tty.c (reinit_vars_of_event_tty): * event-unixoid.c: * event-unixoid.c (find_tty_or_stream_console_from_fd): * event-unixoid.c (read_event_from_tty_or_stream_desc): * event-unixoid.c (drain_tty_devices): * event-unixoid.c (poll_fds_for_input): * events.c: * events.c (deinitialize_event): * events.c (zero_event): * events.c (mark_event): * events.c (print_event_1): * events.c (print_event): * events.c (event_equal): * events.c (event_hash): * events.c (Fmake_event): * events.c (Fdeallocate_event): * events.c (Fcopy_event): * events.c (map_event_chain_remove): * events.c (character_to_event): * events.c (event_to_character): * events.c (Fevent_to_character): * events.c (format_event_object): * events.c (upshift_event): * events.c (downshift_event): * events.c (event_upshifted_p): * events.c (Fevent_live_p): * events.c (Fevent_type): * events.c (Fevent_timestamp): * events.c (CHECK_EVENT_TYPE): * events.c (CHECK_EVENT_TYPE2): * events.c (CHECK_EVENT_TYPE3): * events.c (Fevent_key): * events.c (Fevent_button): * events.c (Fevent_modifier_bits): * events.c (event_x_y_pixel_internal): * events.c (event_pixel_translation): * events.c (Fevent_process): * events.c (Fevent_function): * events.c (Fevent_object): * events.c (Fevent_properties): * events.c (syms_of_events): * events.c (vars_of_events): * events.h: * events.h (struct event_stream): * events.h (struct Lisp_Key_Data): * events.h (KEY_DATA_KEYSYM): * events.h (EVENT_KEY_KEYSYM): * events.h (struct Lisp_Button_Data): * events.h (EVENT_BUTTON_BUTTON): * events.h (struct Lisp_Motion_Data): * events.h (EVENT_MOTION_X): * events.h (struct Lisp_Process_Data): * events.h (EVENT_PROCESS_PROCESS): * events.h (struct Lisp_Timeout_Data): * events.h (EVENT_TIMEOUT_INTERVAL_ID): * events.h (struct Lisp_Eval_Data): * events.h (EVENT_EVAL_FUNCTION): * events.h (struct Lisp_Misc_User_Data): * events.h (EVENT_MISC_USER_FUNCTION): * events.h (struct Lisp_Magic_Eval_Data): * events.h (EVENT_MAGIC_EVAL_INTERNAL_FUNCTION): * events.h (struct Lisp_Magic_Data): * events.h (EVENT_MAGIC_UNDERLYING): * events.h (EVENT_MAGIC_GDK_EVENT): * events.h (struct Lisp_Event): * events.h (XEVENT_CHANNEL): * events.h (SET_EVENT_TIMESTAMP_ZERO): * events.h (SET_EVENT_CHANNEL): * events.h (SET_EVENT_NEXT): * events.h (XSET_EVENT_TYPE): * events.h (struct command_builder): * extents.c: * extents.c (gap_array_adjust_markers): * extents.c (gap_array_recompute_derived_values): * extents.c (gap_array_move_gap): * extents.c (gap_array_make_gap): * extents.c (gap_array_insert_els): * extents.c (gap_array_delete_els): * extents.c (gap_array_make_marker): * extents.c (gap_array_delete_marker): * extents.c (gap_array_move_marker): * extents.c (make_gap_array): * extents.c (free_gap_array): * extents.c (extent_list_num_els): * extents.c (extent_list_insert): * extents.c (mark_extent_auxiliary): * extents.c (allocate_extent_auxiliary): * extents.c (decode_extent_at_flag): * extents.c (verify_extent_mapper): * extents.c (symbol_to_glyph_layout): * extents.c (syms_of_extents): * faces.c: * file-coding.c: * file-coding.c (struct_detector_category_description =): * file-coding.c (detector_category_dynarr_description_1): * file-coding.c (struct_detector_description =): * file-coding.c (detector_dynarr_description_1): * file-coding.c (MARKED_SLOT): * file-coding.c (mark_coding_system): * file-coding.c (coding_system_extra_description_map): * file-coding.c (coding_system_description): * file-coding.c (allocate_coding_system): * file-coding.c (symbol_to_eol_type): * file-coding.c (Fcoding_system_aliasee): * file-coding.c (set_coding_stream_coding_system): * file-coding.c (struct convert_eol_coding_system): * file-coding.c (struct undecided_coding_system): * file-coding.c (undecided_mark_coding_stream): * file-coding.c (coding_category_symbol_to_id): * file-coding.c (struct gzip_coding_system): * file-coding.c (coding_system_type_create): * file-coding.h: * file-coding.h (struct Lisp_Coding_System): * file-coding.h (CODING_SYSTEM_SLOT_DECLARATION): * file-coding.h (coding_system_variant): * file-coding.h (struct coding_system_methods): * file-coding.h (DEFINE_CODING_SYSTEM_TYPE_WITH_DATA): * file-coding.h (INITIALIZE_CODING_SYSTEM_TYPE_WITH_DATA): * file-coding.h (struct coding_stream): * fileio.c (Fsubstitute_in_file_name): * floatfns.c: * fns.c: * fns.c (base64_encode_1): * frame-gtk.c: * frame-gtk.c (Fgtk_start_drag_internal): * frame-impl.h (struct frame): * frame-impl.h (MARKED_SLOT): * frame-msw.c: * frame-x.c: * frame-x.c (Fcde_start_drag_internal): * frame-x.c (Foffix_start_drag_internal): * frame.c: * frame.c (MARKED_SLOT): * frame.c (allocate_frame_core): * frame.c (delete_frame_internal): * frame.c (Fmouse_position_as_motion_event): * frameslots.h: * frameslots.h (MARKED_SLOT_ARRAY): * free-hook.c: * glyphs-msw.c (mswindows_widget_instantiate): * glyphs-x.c: * glyphs-x.c (convert_EImage_to_XImage): * glyphs.c: * glyphs.c (process_image_string_instantiator): * glyphs.c (mark_image_instance): * glyphs.c (allocate_image_instance): * glyphs.c (unmap_subwindow): * glyphs.c (map_subwindow): * glyphs.c (syms_of_glyphs): * glyphs.c (specifier_type_create_image): * glyphs.h: * glyphs.h (struct text_image_instance): * glyphs.h (struct Lisp_Image_Instance): * gmalloc.c: * gmalloc.c ("C"): * gpmevent.c (Freceive_gpm_event): * gpmevent.c (gpm_next_event_cb): * gpmevent.c (vars_of_gpmevent): * gtk-glue.c (gdk_event_to_emacs_event): * gtk-xemacs.c (gtk_xemacs_class_init): * gui-msw.c: * gui-msw.c (mswindows_handle_gui_wm_command): * gui-msw.c (mswindows_translate_menu_or_dialog_item): * gui-x.c: * gui-x.c (mark_popup_data): * gui-x.c (snarf_widget_value_mapper): * gui-x.c (gcpro_popup_callbacks): * gui-x.c (ungcpro_popup_callbacks): * gui-x.c (free_popup_widget_value_tree): * gui-x.c (popup_selection_callback): * gui-x.h: * gui-x.h (struct popup_data): * gui.c: * gui.c (allocate_gui_item): * gutter.c (decode_gutter_position): * hash.c (NULL_ENTRY): * indent.c (vmotion_1): * indent.c (vmotion_pixels): * input-method-motif.c (res): * input-method-xlib.c (IMInstantiateCallback): * input-method-xlib.c (XIM_init_device): * input-method-xlib.c (res): * intl-encap-win32.c: * intl-encap-win32.c (qxeSHGetDataFromIDList): * intl-win32.c: * intl-win32.c (mswindows_multibyte_cp_type): * intl-win32.c (struct mswindows_multibyte_coding_system): * keymap.c: * keymap.c (make_key_description): * keymap.c (keymap_store): * keymap.c (get_keyelt): * keymap.c (keymap_lookup_1): * keymap.c (define_key_parser): * keymap.c (key_desc_list_to_event): * keymap.c (event_matches_key_specifier_p): * keymap.c (meta_prefix_char_p): * keymap.c (ensure_meta_prefix_char_keymapp): * keymap.c (Fdefine_key): * keymap.c (struct raw_lookup_key_mapper_closure): * keymap.c (raw_lookup_key): * keymap.c (raw_lookup_key_mapper): * keymap.c (lookup_keys): * keymap.c (lookup_events): * keymap.c (Flookup_key): * keymap.c (struct map_keymap_unsorted_closure): * keymap.c (map_keymap_unsorted_mapper): * keymap.c (map_keymap_sorted): * keymap.c (map_keymap_mapper): * keymap.c (map_keymap): * keymap.c (accessible_keymaps_mapper_1): * keymap.c (Faccessible_keymaps): * keymap.c (Fsingle_key_description): * keymap.c (raw_keys_to_keys): * keymap.c (format_raw_keys): * keymap.c (where_is_recursive_mapper): * keymap.c (where_is_internal): * keymap.c (describe_map_mapper_shadow_search): * keymap.c (keymap_lookup_inherited_mapper): * keymap.c (describe_map_mapper): * keymap.h (event_matches_key_specifier_p): * lisp.h: * lisp.h (this): * lisp.h (RETURN_NOT_REACHED): * lisp.h (struct Lisp_Vector): * lisp.h (struct Lisp_Bit_Vector): * lisp.h (UNGCPRO_1): * lisp.h (NUNGCPRO): * lisp.h (NNUNGCPRO): * lisp.h (DECLARE_INLINE_HEADER): * lrecord.h: * lrecord.h (struct lrecord_header): * lrecord.h (struct lcrecord_header): * lrecord.h (lrecord_type): * lrecord.h (struct lrecord_implementation): * lrecord.h (RECORD_DUMPABLE): * lrecord.h (memory_description_type): * lrecord.h (data_description_entry_flags): * lrecord.h (struct memory_description): * lrecord.h (struct sized_memory_description): * lrecord.h (XD_INDIRECT): * lrecord.h (XD_IS_INDIRECT): * lrecord.h (XD_DYNARR_DESC): * lrecord.h (DEFINE_BASIC_LRECORD_IMPLEMENTATION): * lrecord.h (MAKE_LRECORD_IMPLEMENTATION): * lrecord.h (MAKE_EXTERNAL_LRECORD_IMPLEMENTATION): * lrecord.h (alloc_lcrecord_type): * lstream.c: * lstream.c (Lstream_new): * lstream.c (lisp_buffer_marker): * lstream.h: * lstream.h (lstream_implementation): * lstream.h (DEFINE_LSTREAM_IMPLEMENTATION): * lstream.h (DEFINE_LSTREAM_IMPLEMENTATION_WITH_DATA): * marker.c: * marker.c (copy_marker_1): * mem-limits.h: * menubar-gtk.c: * menubar-gtk.c (gtk_popup_menu): * menubar-msw.c: * menubar-msw.c (mswindows_popup_menu): * menubar-x.c (make_dummy_xbutton_event): * menubar-x.c (command_builder_operate_menu_accelerator): * menubar-x.c (menu_accelerator_safe_compare): * menubar-x.c (menu_accelerator_safe_mod_compare): * mule-charset.c: * mule-charset.c (make_charset): * mule-charset.c (Fcharset_property): * mule-coding.c: * mule-coding.c (ccs_description_1): * mule-coding.c (ccs_description =): * mule-coding.c (ccsd_description_1): * mule-coding.c (ccsd_description =): * nt.c (getpwnam): * nt.c (init_mswindows_environment): * nt.c (get_cached_volume_information): * nt.c (mswindows_is_executable): * nt.c (read_unc_volume): * nt.c (mswindows_access): * nt.c (mswindows_link): * nt.c (mswindows_fstat): * nt.c (mswindows_stat): * nt.c (mswindows_executable_type): * nt.c (Fmswindows_short_file_name): * nt.c (Fmswindows_long_file_name): * objects-impl.h (struct Lisp_Color_Instance): * objects-impl.h (struct Lisp_Font_Instance): * objects-tty.c: * objects-x.c (allocate_nearest_color): * objects.c: * objects.c (Fmake_color_instance): * objects.c (Fmake_font_instance): * objects.c (font_instantiate): * opaque.c: * opaque.c (make_opaque): * opaque.c (make_opaque_ptr): * opaque.c (reinit_opaque_early): * opaque.c (init_opaque_once_early): * print.c: * print.c (printing_badness): * print.c (printing_major_badness): * print.c (print_internal): * print.c (debug_p4): * print.c (dp): * print.c (debug_backtrace): * process-nt.c (nt_create_process): * process-nt.c (get_internet_address): * process-unix.c: * process-unix.c (struct unix_process_data): * process-unix.c (get_internet_address): * process-unix.c (unix_alloc_process_data): * process-unix.c (unix_create_process): * process-unix.c (try_to_initialize_subtty): * process-unix.c (unix_kill_child_process): * process-unix.c (process_type_create_unix): * process.c: * process.c (mark_process): * process.c (MARKED_SLOT): * process.c (make_process_internal): * process.c (Fprocess_tty_name): * process.c (decode_signal): * process.h: * procimpl.h: * procimpl.h (struct process_methods): * procimpl.h (struct Lisp_Process): * rangetab.c: * realpath.c (readlink_and_correct_case): * redisplay-x.c (x_window_output_end): * redisplay-x.c (x_redraw_exposed_area): * redisplay-x.c (x_clear_frame): * redisplay.c: * redisplay.h: * redisplay.h (struct rune_dglyph): * redisplay.h (struct rune): * scrollbar.c: * scrollbar.c (create_scrollbar_instance): * specifier.c: * specifier.c (specifier_empty_extra_description_1): * specifier.c (make_specifier_internal): * specifier.c (decode_locale_type): * specifier.c (decode_how_to_add_specification): * specifier.h: * specifier.h (struct specifier_methods): * specifier.h (DEFINE_SPECIFIER_TYPE_WITH_DATA): * specifier.h (INITIALIZE_SPECIFIER_TYPE_WITH_DATA): * symbols.c: * symbols.c (Fsetplist): * symbols.c (default_value): * symbols.c (decode_magic_handler_type): * symbols.c (handler_type_from_function_symbol): * symbols.c (Fdefvaralias): * symbols.c (init_symbols_once_early): * symbols.c (reinit_symbols_early): * symsinit.h: * sysdep.c (sys_subshell): * sysdep.c (tty_init_sys_modes_on_device): * syswindows.h: * text.c (dfc_convert_to_external_format): * text.c (dfc_convert_to_internal_format): * text.c (reinit_eistring_early): * text.c (init_eistring_once_early): * text.c (reinit_vars_of_text): * text.h: * text.h (INC_IBYTEPTR_FMT): * text.h (DEC_IBYTEPTR_FMT): * toolbar.c: * toolbar.c (decode_toolbar_position): * tooltalk.c: * ui-gtk.c: * unexnt.c: * unexnt.c (_start): * unexnt.c (unexec): * unexnt.c (get_section_info): * unicode.c: * unicode.c (vars_of_unicode): * window.c: * window.c (allocate_window): * window.c (new_window_mirror): * window.c (update_mirror_internal): * winslots.h:
author michaels
date Sun, 12 Jan 2003 11:08:22 +0000
parents c925bacdda60
children 5d97d6110cd9
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rev   line source
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1 /* Generic scrollbar implementation.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995 Free Software Foundation, Inc.
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4 Copyright (C) 1995 Sun Microsystems, Inc.
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5 Copyright (C) 1995 Darrell Kindred <dkindred+@cmu.edu>.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 /* This file has been Mule-ized. */
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27
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28 #include <config.h>
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29 #include "lisp.h"
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30
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31 #include "buffer.h"
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32 #include "commands.h"
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33 #include "scrollbar.h"
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34 #include "device-impl.h"
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35 #include "frame-impl.h"
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36 #include "glyphs.h"
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37 #include "gutter.h"
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38 #include "window.h"
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39
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40 Lisp_Object Qinit_scrollbar_from_resources;
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41
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42 Lisp_Object Qscrollbar_line_up;
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43 Lisp_Object Qscrollbar_line_down;
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44 Lisp_Object Qscrollbar_page_up;
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45 Lisp_Object Qscrollbar_page_down;
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46 Lisp_Object Qscrollbar_to_top;
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47 Lisp_Object Qscrollbar_to_bottom;
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48 Lisp_Object Qscrollbar_vertical_drag;
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49
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50 Lisp_Object Qscrollbar_char_left;
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51 Lisp_Object Qscrollbar_char_right;
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52 Lisp_Object Qscrollbar_page_left;
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53 Lisp_Object Qscrollbar_page_right;
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54 Lisp_Object Qscrollbar_to_left;
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55 Lisp_Object Qscrollbar_to_right;
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56 Lisp_Object Qscrollbar_horizontal_drag;
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57
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58 #define DEFAULT_SCROLLBAR_WIDTH 15
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59 #define DEFAULT_SCROLLBAR_HEIGHT 15
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60
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61 /* Width and height of the scrollbar. */
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62 Lisp_Object Vscrollbar_width;
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63 Lisp_Object Vscrollbar_height;
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64
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65 /* Scrollbar visibility specifiers */
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66 Lisp_Object Vhorizontal_scrollbar_visible_p;
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67 Lisp_Object Vvertical_scrollbar_visible_p;
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68
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69 /* Scrollbar location specifiers */
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70 Lisp_Object Vscrollbar_on_left_p;
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71 Lisp_Object Vscrollbar_on_top_p;
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72
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73 Lisp_Object Vscrollbar_pointer_glyph;
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74
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75 EXFUN (Fcenter_to_window_line, 2);
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76
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77 static void update_scrollbar_instance (struct window *w, int vertical,
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78 struct scrollbar_instance *instance);
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79
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80 static const struct memory_description scrollbar_instance_description [] = {
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81 { XD_LISP_OBJECT, offsetof (struct scrollbar_instance, mirror) },
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82 { XD_LISP_OBJECT, offsetof (struct scrollbar_instance, next) },
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83 { XD_END }
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84 };
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85
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86
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87 static Lisp_Object
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88 mark_scrollbar_instance (Lisp_Object obj)
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89 {
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90 struct scrollbar_instance *data = XSCROLLBAR_INSTANCE (obj);
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91 mark_object (wrap_window_mirror (data->mirror));
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92 if (data->next)
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93 return wrap_scrollbar_instance (data->next);
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94 else
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95 return Qnil;
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96 }
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97
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98 DEFINE_LRECORD_IMPLEMENTATION ("scrollbar-instance", scrollbar_instance,
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99 0, /*dumpable-flag*/
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100 mark_scrollbar_instance,
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101 internal_object_printer, 0, 0, 0,
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diff changeset
102 scrollbar_instance_description,
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103 struct scrollbar_instance);
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104
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105 static void
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106 free_scrollbar_instance (struct scrollbar_instance *instance,
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107 struct frame *frame)
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108 {
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109 if (!instance)
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110 return;
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111 else
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112 {
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113 struct device *d = XDEVICE (frame->device);
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114
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115 MAYBE_DEVMETH (d, free_scrollbar_instance, (instance));
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116 /* not worth calling free_managed_lcrecord() -- scrollbar instances
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117 are not created that frequently and it's dangerous. */
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118 }
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119 }
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120
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121 static void
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122 free_window_mirror_scrollbars (struct window_mirror *mir)
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123 {
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124 free_scrollbar_instance (mir->scrollbar_vertical_instance, mir->frame);
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125 mir->scrollbar_vertical_instance = 0;
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126
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127 free_scrollbar_instance (mir->scrollbar_horizontal_instance, mir->frame);
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128 mir->scrollbar_horizontal_instance = 0;
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129 }
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130
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131 static struct window_mirror *
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132 free_scrollbars_loop (Lisp_Object window, struct window_mirror *mir)
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133 {
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134 struct window_mirror *retval = NULL;
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135
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136 while (mir)
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137 {
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138 assert (!NILP (window));
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139
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140 if (mir->vchild)
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141 {
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142 retval = free_scrollbars_loop (XWINDOW (window)->vchild,
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143 mir->vchild);
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144 }
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145 else if (mir->hchild)
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146 {
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147 retval = free_scrollbars_loop (XWINDOW (window)->hchild,
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148 mir->hchild);
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149 }
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150
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151 if (retval != NULL)
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152 return retval;
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153
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154 if (mir->scrollbar_vertical_instance ||
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155 mir->scrollbar_horizontal_instance)
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156 free_window_mirror_scrollbars (mir);
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157
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158 mir = mir->next;
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159 window = XWINDOW (window)->next;
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160 }
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161
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162 return NULL;
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163 }
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164
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165 /* Destroy all scrollbars associated with FRAME. Only called from
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166 delete_frame_internal. */
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167 void
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168 free_frame_scrollbars (struct frame *f)
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169 {
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170 if (!HAS_FRAMEMETH_P (f, create_scrollbar_instance))
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171 return;
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172
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173 if (f->mirror_dirty)
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174 update_frame_window_mirror (f);
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175
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176 free_scrollbars_loop (f->root_window, XWINDOW_MIRROR (f->root_mirror));
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177
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178 while (FRAME_SB_VCACHE (f))
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179 {
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180 struct scrollbar_instance *tofree = FRAME_SB_VCACHE (f);
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181 FRAME_SB_VCACHE (f) = FRAME_SB_VCACHE (f)->next;
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182 tofree->next = NULL;
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183 free_scrollbar_instance (tofree, f);
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184 }
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185
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186 while (FRAME_SB_HCACHE (f))
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187 {
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188 struct scrollbar_instance *tofree = FRAME_SB_HCACHE (f);
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189 FRAME_SB_HCACHE (f) = FRAME_SB_HCACHE (f)->next;
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190 tofree->next = NULL;
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191 free_scrollbar_instance (tofree, f);
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192 }
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193 }
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194
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195
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196 static struct scrollbar_instance *
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197 create_scrollbar_instance (struct frame *f, int vertical)
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198 {
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199 struct device *d = XDEVICE (f->device);
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200 struct scrollbar_instance *instance =
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201 alloc_lcrecord_type (struct scrollbar_instance,
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202 &lrecord_scrollbar_instance);
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203
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204 MAYBE_DEVMETH (d, create_scrollbar_instance, (f, vertical, instance));
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205
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206 return instance;
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207 }
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208
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209
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210 #define GET_SCROLLBAR_INSTANCE_INTERNAL(cache) \
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211 do { \
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212 if (FRAME_SB_##cache (f)) \
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213 { \
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214 struct scrollbar_instance *retval = FRAME_SB_##cache (f); \
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215 FRAME_SB_##cache (f) = FRAME_SB_##cache (f)->next; \
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216 retval->next = NULL; \
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217 return retval; \
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218 } \
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219 } while (0)
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220
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221 static struct scrollbar_instance *
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222 get_scrollbar_instance (struct frame *f, int vertical)
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223 {
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224 /* Check if there are any available scrollbars already in existence. */
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225 if (vertical)
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226 GET_SCROLLBAR_INSTANCE_INTERNAL (VCACHE);
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227 else
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228 GET_SCROLLBAR_INSTANCE_INTERNAL (HCACHE);
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229
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230 return create_scrollbar_instance (f, vertical);
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231 }
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232 #undef GET_SCROLLBAR_INSTANCE_INTERNAL
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233
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234 #define RELEASE_SCROLLBAR_INSTANCE_INTERNAL(cache) \
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235 do { \
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236 if (!FRAME_SB_##cache (f)) \
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237 { \
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238 instance->next = NULL; \
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239 FRAME_SB_##cache (f) = instance; \
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240 } \
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241 else \
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242 { \
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243 instance->next = FRAME_SB_##cache (f); \
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244 FRAME_SB_##cache (f) = instance; \
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245 } \
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246 } while (0)
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247
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248 static void
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249 release_scrollbar_instance (struct frame *f, int vertical,
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250 struct scrollbar_instance *instance)
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251 {
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252 /* #### should we do "instance->mir = 0;" for safety? */
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253 if (vertical)
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254 RELEASE_SCROLLBAR_INSTANCE_INTERNAL (VCACHE);
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255 else
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256 RELEASE_SCROLLBAR_INSTANCE_INTERNAL (HCACHE);
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257 }
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258 #undef RELEASE_SCROLLBAR_INSTANCE_INTERNAL
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259
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260 #ifdef MEMORY_USAGE_STATS
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261
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262 int
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263 compute_scrollbar_instance_usage (struct device *d,
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264 struct scrollbar_instance *inst,
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265 struct overhead_stats *ovstats)
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266 {
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267 int total = 0;
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268
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269 total += DEVMETH (d, compute_scrollbar_instance_usage, (d, inst, ovstats));
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270
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271 while (inst)
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272 {
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273 total += malloced_storage_size (inst, sizeof (*inst), ovstats);
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274 inst = inst->next;
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275 }
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diff changeset
276
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
277 return total;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
278 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
279
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
280 #endif /* MEMORY_USAGE_STATS */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
281
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
282 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
283 update_window_scrollbars (struct window *w, struct window_mirror *mirror,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
284 int active, int horiz_only)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
285 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
286 struct frame *f = XFRAME (w->frame);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
287 struct device *d = XDEVICE (f->device);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
288
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
289 if (!HAS_DEVMETH_P (d, create_scrollbar_instance))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
290 return;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
291
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
292 in_display++;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
293
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
294 /* It is possible for this to get called from the mirror update
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
295 routines. In that case the structure is in an indeterminate
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
296 state but we know exactly what struct we are working with. So we
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
297 pass it in in that case. We also take advantage of it at some
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
298 other points where we know what the mirror struct is. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
299 if (!mirror)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
300 mirror = find_window_mirror (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
301
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
302 if (!mirror->scrollbar_vertical_instance && active)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
303 mirror->scrollbar_vertical_instance = get_scrollbar_instance (f, 1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
304
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
305 if (!mirror->scrollbar_horizontal_instance && active)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
306 mirror->scrollbar_horizontal_instance = get_scrollbar_instance (f, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
307
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
308 if (!horiz_only && mirror->scrollbar_vertical_instance)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
309 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
310 int size = (active ? window_scrollbar_width (w) : 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
311 struct scrollbar_instance *instance;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
312
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
313 instance = mirror->scrollbar_vertical_instance;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
314 instance->scrollbar_is_active = active;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
315 instance->mirror = mirror;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
316
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
317 if (active && size)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
318 update_scrollbar_instance (w, 1, instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
319 MAYBE_DEVMETH (d, update_scrollbar_instance_status,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
320 (w, active, size, instance));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
321
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
322 if (!active)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
323 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
324 release_scrollbar_instance (f, 1, instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
325 mirror->scrollbar_vertical_instance = NULL;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
326 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
327 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
328
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
329 if (mirror->scrollbar_horizontal_instance)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
330 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
331 int size = (active ? window_scrollbar_height (w) : 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
332 struct scrollbar_instance *instance;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
333
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
334 instance = mirror->scrollbar_horizontal_instance;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
335 instance->scrollbar_is_active = active;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
336 instance->mirror = mirror;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
337
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
338 if (active && size)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
339 update_scrollbar_instance (w, 0, instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
340 MAYBE_DEVMETH (d, update_scrollbar_instance_status,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
341 (w, active, size, instance));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
342
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
343 if (!active)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
344 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
345 release_scrollbar_instance (f, 0, instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
346 mirror->scrollbar_horizontal_instance = NULL;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
347 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
348 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
349
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
350 in_display--;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
351 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
352
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
353 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
354 release_window_mirror_scrollbars (struct window_mirror *mir)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
355 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
356 struct device *d = XDEVICE (mir->frame->device);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
357
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
358 if (!HAS_DEVMETH_P (d, create_scrollbar_instance))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
359 return;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
360
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
361 if (mir->scrollbar_vertical_instance)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
362 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
363 release_scrollbar_instance (mir->frame, 1,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
364 mir->scrollbar_vertical_instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
365 MAYBE_DEVMETH (d, release_scrollbar_instance,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
366 (mir->scrollbar_vertical_instance));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
367 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
368 mir->scrollbar_vertical_instance = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
369
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
370 if (mir->scrollbar_horizontal_instance)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
371 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
372 release_scrollbar_instance (mir->frame, 0,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
373 mir->scrollbar_horizontal_instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
374 MAYBE_DEVMETH (d, release_scrollbar_instance,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
375 (mir->scrollbar_horizontal_instance));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
376 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
377 mir->scrollbar_horizontal_instance = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
378 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
379
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
380 /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
381 * If w->sb_point is on the top line then return w->sb_point else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
382 * return w->start. If flag, then return beginning point of line
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
383 * which w->sb_point lies on.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
384 */
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
385 static Charbpos
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
386 scrollbar_point (struct window *w, int flag)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
387 {
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
388 Charbpos start_pos, end_pos, sb_pos;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
389 Lisp_Object buf;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
390 struct buffer *b;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
391
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
392 if (NILP (w->buffer)) /* non-leaf window */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
393 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
394
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
395 start_pos = marker_position (w->start[CURRENT_DISP]);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
396 sb_pos = marker_position (w->sb_point);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
397
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
398 if (!flag && sb_pos < start_pos)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
399 return start_pos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
400
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
401 buf = get_buffer (w->buffer, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
402 if (!NILP (buf))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
403 b = XBUFFER (buf);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
404 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
405 return start_pos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
406
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
407 if (flag)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
408 end_pos = find_next_newline_no_quit (b, sb_pos, -1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
409 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
410 end_pos = find_next_newline_no_quit (b, start_pos, 1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
411
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
412 if (flag)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
413 return end_pos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
414 else if (sb_pos > end_pos)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
415 return start_pos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
416 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
417 return sb_pos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
418 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
419
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
420 /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
421 * Update a window's horizontal or vertical scrollbar.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
422 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
423 static void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
424 update_scrollbar_instance (struct window *w, int vertical,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
425 struct scrollbar_instance *instance)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
426 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
427 struct frame *f = XFRAME (w->frame);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
428 struct device *d = XDEVICE (f->device);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
429 struct buffer *b = XBUFFER (w->buffer);
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
430 Charbpos start_pos, end_pos, sb_pos;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
431 int scrollbar_width = window_scrollbar_width (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
432 int scrollbar_height = window_scrollbar_height (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
433
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
434 int new_line_increment = -1, new_page_increment = -1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
435 int new_minimum = -1, new_maximum = -1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
436 int new_slider_size = -1, new_slider_position = -1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
437 int new_width = -1, new_height = -1, new_x = -1, new_y = -1;
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
438 struct window *new_window = 0; /* #### currently unused */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
439
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
440 end_pos = BUF_Z (b) - w->window_end_pos[CURRENT_DISP];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
441 sb_pos = scrollbar_point (w, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
442 start_pos = sb_pos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
443
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
444 /* The end position must be strictly greater than the start
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
445 position, at least for the Motify scrollbar. It shouldn't hurt
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
446 anything for other scrollbar implementations. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
447 if (end_pos <= start_pos)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
448 end_pos = start_pos + 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
449
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
450 if (vertical)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
451 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
452 new_height = WINDOW_TEXT_HEIGHT (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
453 new_width = scrollbar_width;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
454 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
455 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
456 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
457 new_height = scrollbar_height;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
458 new_width = WINDOW_TEXT_WIDTH (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
459 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
460
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
461 /* If the height and width are not greater than 0, then later on the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
462 Motif widgets will bitch and moan. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
463 if (new_height <= 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
464 new_height = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
465 if (new_width <= 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
466 new_width = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
467
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
468 assert (instance->mirror && XWINDOW (real_window(instance->mirror, 0)) == w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
469
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
470 /* Only character-based scrollbars are implemented at the moment.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
471 Line-based will be implemented in the future. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
472
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
473 instance->scrollbar_is_active = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
474 new_line_increment = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
475 new_page_increment = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
476
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
477 /* We used to check for inhibit_scrollbar_slider_size_change here,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
478 but that seems bogus. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
479 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
480 int x_offset, y_offset;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
481
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
482 /* Scrollbars are always the farthest from the text area, barring
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
483 gutters. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
484 if (vertical)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
485 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
486 if (!NILP (w->scrollbar_on_left_p))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
487 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
488 x_offset = WINDOW_LEFT (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
489 }
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
490 else
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
491 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
492 x_offset = WINDOW_RIGHT (w) - scrollbar_width;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
493 if (window_needs_vertical_divider (w))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
494 x_offset -= window_divider_width (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
495 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
496 y_offset = WINDOW_TEXT_TOP (w) + f->scrollbar_y_offset;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
497 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
498 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
499 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
500 x_offset = WINDOW_TEXT_LEFT (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
501 y_offset = f->scrollbar_y_offset;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
502
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
503 if (!NILP (w->scrollbar_on_top_p))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
504 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
505 y_offset += WINDOW_TOP (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
506 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
507 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
508 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
509 y_offset += WINDOW_TEXT_BOTTOM (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
510 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
511 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
512
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
513 new_x = x_offset;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
514 new_y = y_offset;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
515 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
516
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
517 /* A disabled scrollbar has its slider sized to the entire height of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
518 the scrollbar. Currently the minibuffer scrollbar is
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
519 disabled. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
520 if (!MINI_WINDOW_P (w) && vertical)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
521 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
522 if (!DEVMETH_OR_GIVEN (d, inhibit_scrollbar_slider_size_change, (), 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
523 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
524 new_minimum = BUF_BEGV (b);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
525 new_maximum = max (BUF_ZV (b), new_minimum + 1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
526 new_slider_size = min ((end_pos - start_pos),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
527 (new_maximum - new_minimum));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
528 new_slider_position = sb_pos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
529 new_window = w;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
530 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
531 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
532 else if (!MINI_WINDOW_P (w))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
533 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
534 /* The minus one is to account for the truncation glyph. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
535 int wcw = window_char_width (w, 0) - 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
536 int max_width, max_slide;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
537
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
538 if (w->max_line_len < wcw)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
539 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
540 max_width = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
541 max_slide = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
542 wcw = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
543 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
544 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
545 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
546 max_width = w->max_line_len + 2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
547 max_slide = max_width - wcw;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
548 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
549
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
550 new_minimum = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
551 new_maximum = max_width;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
552 new_slider_size = wcw;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
553 new_slider_position = min (w->hscroll, max_slide);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
554 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
555 else /* MINI_WINDOW_P (w) */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
556 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
557 new_minimum = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
558 new_maximum = 2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
559 new_slider_size = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
560 new_slider_position = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
561 instance->scrollbar_is_active = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
562 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
563
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
564 DEVMETH (d, update_scrollbar_instance_values, (w, instance,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
565 new_line_increment,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
566 new_page_increment,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
567 new_minimum,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
568 new_maximum,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
569 new_slider_size,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
570 new_slider_position,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
571 new_width, new_height,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
572 new_x, new_y));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
573 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
574
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
575 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
576 init_frame_scrollbars (struct frame *f)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
577 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
578 struct device *d = XDEVICE (f->device);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
579
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
580 if (HAS_DEVMETH_P (d, create_scrollbar_instance))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
581 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
582 int depth = unlock_ghost_specifiers_protected ();
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 771
diff changeset
583 Lisp_Object frame = wrap_frame (f);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 771
diff changeset
584
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
585 call_critical_lisp_code (XDEVICE (FRAME_DEVICE (f)),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
586 Qinit_scrollbar_from_resources,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
587 frame);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 665
diff changeset
588 unbind_to (depth);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
589 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
590 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
591
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
592 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
593 init_device_scrollbars (struct device *d)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
594 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
595 if (HAS_DEVMETH_P (d, create_scrollbar_instance))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
596 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
597 int depth = unlock_ghost_specifiers_protected ();
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 771
diff changeset
598 Lisp_Object device = wrap_device (d);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 771
diff changeset
599
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
600 call_critical_lisp_code (d,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
601 Qinit_scrollbar_from_resources,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
602 device);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 665
diff changeset
603 unbind_to (depth);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
604 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
605 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
606
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
607 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
608 init_global_scrollbars (struct device *d)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
609 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
610 if (HAS_DEVMETH_P (d, create_scrollbar_instance))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
611 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
612 int depth = unlock_ghost_specifiers_protected ();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
613 call_critical_lisp_code (d,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
614 Qinit_scrollbar_from_resources,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
615 Qglobal);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 665
diff changeset
616 unbind_to (depth);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
617 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
618 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
619
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
620 static void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
621 vertical_scrollbar_changed_in_window (Lisp_Object specifier,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
622 struct window *w,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
623 Lisp_Object oldval)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
624 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
625 /* Hold on your cerebella guys. If we always show the dividers,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
626 changing scrollbar affects only how the text and scrollbar are
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
627 laid out in the window. If we do not want the dividers to show up
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
628 always, then we mark more drastic change, because changing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
629 divider appearance changes lotta things. Although we actually need
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
630 to do this only if the scrollbar has appeared or disappeared
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
631 completely at either window edge, we do this always, as users
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
632 usually do not reposition scrollbars 200 times a second or so. Do
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
633 you? */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
634 if (NILP (w->vertical_divider_always_visible_p))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
635 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (XFRAME (WINDOW_FRAME (w)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
636 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
637 MARK_WINDOWS_CHANGED (w);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
638 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
639
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
640 /* This function is called as a result of a change to the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
641 `scrollbar-pointer' glyph. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
642 static void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
643 scrollbar_pointer_changed_in_window (Lisp_Object specifier, struct window *w,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
644 Lisp_Object oldval)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
645 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
646 struct frame *f = XFRAME (WINDOW_FRAME (w));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
647
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
648 if (f->init_finished)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
649 MAYBE_FRAMEMETH (f, scrollbar_pointer_changed_in_window, (w));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
650 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
651
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
652 /* ####
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
653
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
654 All of the following stuff is functions that handle scrollbar
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
655 actions. All of it should be moved into Lisp. This may require
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
656 adding some badly-needed primitives. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
657
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
658 /********** vertical scrollbar stuff **********/
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
659
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
660 /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
661 * If the original point is still visible, put the cursor back there.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
662 * Otherwise, when scrolling down stick it at the beginning of the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
663 * first visible line and when scrolling up stick it at the beginning
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
664 * of the last visible line.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
665 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
666
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
667 /* #### This function should be moved into Lisp */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
668 static void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
669 scrollbar_reset_cursor (Lisp_Object win, Lisp_Object orig_pt)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
670 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
671 /* When this function is called we know that start is already
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
672 accurate. We know this because either set-window-start or
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
673 recenter was called immediately prior to it being called. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
674 Lisp_Object buf;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
675 Charbpos start_pos = XINT (Fwindow_start (win));
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
676 Charbpos ptint = XINT (orig_pt);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
677 struct window *w = XWINDOW (win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
678 int selected = ((w == XWINDOW (Fselected_window (XFRAME (w->frame)->device)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
679 ? 1
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
680 : 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
681
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
682 buf = Fwindow_buffer (win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
683 if (NILP (buf))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
684 return; /* the window was deleted out from under us */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
685
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
686 if (ptint < XINT (Fwindow_start (win)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
687 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
688 if (selected)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
689 Fgoto_char (make_int (start_pos), buf);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
690 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
691 Fset_window_point (win, make_int (start_pos));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
692 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
693 else if (!point_would_be_visible (XWINDOW (win), start_pos, ptint))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
694 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
695 Fmove_to_window_line (make_int (-1), win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
696
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
697 if (selected)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
698 Fbeginning_of_line (Qnil, buf);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
699 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
700 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
701 /* #### Taken from forward-line. */
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
702 Charbpos pos;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
703
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
704 pos = find_next_newline (XBUFFER (buf),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
705 marker_position (w->pointm[CURRENT_DISP]),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
706 -1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
707 Fset_window_point (win, make_int (pos));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
708 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
709 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
710 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
711 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
712 if (selected)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
713 Fgoto_char (orig_pt, buf);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
714 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
715 Fset_window_point (win, orig_pt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
716 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
717 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
718
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
719 DEFUN ("scrollbar-line-up", Fscrollbar_line_up, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
720 Function called when the line-up arrow on the scrollbar is clicked.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
721 This is the little arrow at the top of the scrollbar. One argument, the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
722 scrollbar's window. You can advise this function to change the scrollbar
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
723 behavior.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
724 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
725 (window))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
726 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
727 CHECK_LIVE_WINDOW (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
728 window_scroll (window, make_int (1), -1, ERROR_ME_NOT);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
729 zmacs_region_stays = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
730 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
731 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
732
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
733 DEFUN ("scrollbar-line-down", Fscrollbar_line_down, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
734 Function called when the line-down arrow on the scrollbar is clicked.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
735 This is the little arrow at the bottom of the scrollbar. One argument, the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
736 scrollbar's window. You can advise this function to change the scrollbar
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
737 behavior.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
738 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
739 (window))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
740 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
741 CHECK_LIVE_WINDOW (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
742 window_scroll (window, make_int (1), 1, ERROR_ME_NOT);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
743 zmacs_region_stays = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
744 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
745 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
746
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
747 DEFUN ("scrollbar-page-up", Fscrollbar_page_up, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
748 Function called when the user gives the "page-up" scrollbar action.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
749 \(The way this is done can vary from scrollbar to scrollbar.) One argument,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
750 a cons containing the scrollbar's window and a value (#### document me!
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
751 This value is nil for Motif/Lucid scrollbars and a number for Athena
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
752 scrollbars). You can advise this function to change the scrollbar
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
753 behavior.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
754 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
755 (object))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
756 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
757 Lisp_Object window = Fcar (object);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
758
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
759 CHECK_LIVE_WINDOW (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
760 /* Motif and Athena scrollbars behave differently, but in accordance
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
761 with their standard behaviors. It is not possible to hide the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
762 differences down in lwlib because knowledge of XEmacs buffer and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
763 cursor motion routines is necessary. */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
764
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
765 if (NILP (XCDR (object)))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
766 window_scroll (window, Qnil, -1, ERROR_ME_NOT);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
767 else
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
768 {
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
769 Charbpos charbpos;
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
770 Lisp_Object value = Fcdr (object);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
771
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
772 CHECK_INT (value);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
773 Fmove_to_window_line (Qzero, window);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
774 /* can't use Fvertical_motion() because it moves the buffer point
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
775 rather than the window's point.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
776
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
777 #### It does? Why does it take a window argument then? */
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
778 charbpos = vmotion (XWINDOW (window), XINT (Fwindow_point (window)),
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
779 XINT (value), 0);
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
780 Fset_window_point (window, make_int (charbpos));
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
781 Fcenter_to_window_line (Qzero, window);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
782 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
783
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
784 zmacs_region_stays = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
785 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
786 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
787
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
788 DEFUN ("scrollbar-page-down", Fscrollbar_page_down, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
789 Function called when the user gives the "page-down" scrollbar action.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
790 \(The way this is done can vary from scrollbar to scrollbar.) One argument,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
791 a cons containing the scrollbar's window and a value (#### document me!
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
792 This value is nil for Motif/Lucid scrollbars and a number for Athena
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
793 scrollbars). You can advise this function to change the scrollbar
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
794 behavior.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
795 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
796 (object))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
797 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
798 Lisp_Object window = Fcar (object);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
799
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
800 CHECK_LIVE_WINDOW (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
801 /* Motif and Athena scrollbars behave differently, but in accordance
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
802 with their standard behaviors. It is not possible to hide the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
803 differences down in lwlib because knowledge of XEmacs buffer and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
804 cursor motion routines is necessary. */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
805
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
806 if (NILP (XCDR (object)))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
807 window_scroll (window, Qnil, 1, ERROR_ME_NOT);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
808 else
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
809 {
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
810 Lisp_Object value = Fcdr (object);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
811 CHECK_INT (value);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
812 Fmove_to_window_line (value, window);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
813 Fcenter_to_window_line (Qzero, window);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
814 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
815
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
816 zmacs_region_stays = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
817 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
818 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
819
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
820 DEFUN ("scrollbar-to-top", Fscrollbar_to_top, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
821 Function called when the user invokes the "to-top" scrollbar action.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
822 The way this is done can vary from scrollbar to scrollbar, but
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
823 C-button1 on the up-arrow is very common. One argument, the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
824 scrollbar's window. You can advise this function to change the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
825 scrollbar behavior.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
826 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
827 (window))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
828 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
829 Lisp_Object orig_pt = Fwindow_point (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
830 Fset_window_point (window, Fpoint_min (Fwindow_buffer (window)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
831 Fcenter_to_window_line (Qzero, window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
832 scrollbar_reset_cursor (window, orig_pt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
833 zmacs_region_stays = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
834 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
835 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
836
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
837 DEFUN ("scrollbar-to-bottom", Fscrollbar_to_bottom, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
838 Function called when the user invokes the "to-bottom" scrollbar action.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
839 The way this is done can vary from scrollbar to scrollbar, but
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
840 C-button1 on the down-arrow is very common. One argument, the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
841 scrollbar's window. You can advise this function to change the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
842 scrollbar behavior.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
843 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
844 (window))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
845 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
846 Lisp_Object orig_pt = Fwindow_point (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
847 Fset_window_point (window, Fpoint_max (Fwindow_buffer (window)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
848 Fcenter_to_window_line (make_int (-3), window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
849 scrollbar_reset_cursor (window, orig_pt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
850 zmacs_region_stays = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
851 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
852 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
853
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
854 DEFUN ("scrollbar-vertical-drag", Fscrollbar_vertical_drag, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
855 Function called when the user drags the vertical scrollbar slider.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
856 One argument, a cons containing the scrollbar's window and a value
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
857 between point-min and point-max. You can advise this function to
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
858 change the scrollbar behavior.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
859 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
860 (object))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
861 {
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 617
diff changeset
862 Charbpos start_pos;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
863 Lisp_Object orig_pt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
864 Lisp_Object window = Fcar (object);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
865 Lisp_Object value = Fcdr (object);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
866
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
867 orig_pt = Fwindow_point (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
868 Fset_marker (XWINDOW (window)->sb_point, value, Fwindow_buffer (window));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
869 start_pos = scrollbar_point (XWINDOW (window), 1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
870 Fset_window_start (window, make_int (start_pos), Qnil);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
871 scrollbar_reset_cursor (window, orig_pt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
872 Fsit_for(Qzero, Qnil);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
873 zmacs_region_stays = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
874 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
875 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
876
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
877 DEFUN ("scrollbar-set-hscroll", Fscrollbar_set_hscroll, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
878 Set WINDOW's hscroll position to VALUE.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
879 This ensures that VALUE is in the proper range for the horizontal scrollbar.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
880 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
881 (window, value))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
882 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
883 struct window *w;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
884 int hscroll, wcw, max_len;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
885
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
886 CHECK_LIVE_WINDOW (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
887 if (!EQ (value, Qmax))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
888 CHECK_INT (value);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
889
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
890 w = XWINDOW (window);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
891 wcw = window_char_width (w, 0) - 1;
440
8de8e3f6228a Import from CVS: tag r21-2-28
cvs
parents: 438
diff changeset
892 /* #### We should be able to scroll further right as long as there is
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
893 a visible truncation glyph. This calculation for max is bogus. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
894 max_len = w->max_line_len + 2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
895
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
896 if (EQ (value, Qmax) || (XINT (value) > (max_len - wcw)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
897 hscroll = max_len - wcw;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
898 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
899 hscroll = XINT (value);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
900
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
901 /* Can't allow this out of set-window-hscroll's acceptable range. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
902 /* #### What hell on the earth this code limits scroll size to the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
903 machine-dependent SHORT size? -- kkm */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
904 if (hscroll < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
905 hscroll = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
906 else if (hscroll >= (1 << (SHORTBITS - 1)) - 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
907 hscroll = (1 << (SHORTBITS - 1)) - 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
908
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
909 if (hscroll != w->hscroll)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
910 Fset_window_hscroll (window, make_int (hscroll));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
911
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
912 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
913 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
914
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
915
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
916 /************************************************************************/
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
917 /* initialization */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
918 /************************************************************************/
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
919
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
920 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
921 syms_of_scrollbar (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
922 {
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 563
diff changeset
923 INIT_LRECORD_IMPLEMENTATION (scrollbar_instance);
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 563
diff changeset
924
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
925 DEFSYMBOL (Qscrollbar_line_up);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
926 DEFSYMBOL (Qscrollbar_line_down);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
927 DEFSYMBOL (Qscrollbar_page_up);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
928 DEFSYMBOL (Qscrollbar_page_down);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
929 DEFSYMBOL (Qscrollbar_to_top);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
930 DEFSYMBOL (Qscrollbar_to_bottom);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
931 DEFSYMBOL (Qscrollbar_vertical_drag);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
932
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
933 DEFSYMBOL (Qscrollbar_char_left);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
934 DEFSYMBOL (Qscrollbar_char_right);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
935 DEFSYMBOL (Qscrollbar_page_left);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
936 DEFSYMBOL (Qscrollbar_page_right);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
937 DEFSYMBOL (Qscrollbar_to_left);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
938 DEFSYMBOL (Qscrollbar_to_right);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
939 DEFSYMBOL (Qscrollbar_horizontal_drag);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
940
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 444
diff changeset
941 DEFSYMBOL (Qinit_scrollbar_from_resources);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
942
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
943 /* #### All these functions should be moved into Lisp.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
944 See comment above. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
945 DEFSUBR (Fscrollbar_line_up);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
946 DEFSUBR (Fscrollbar_line_down);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
947 DEFSUBR (Fscrollbar_page_up);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
948 DEFSUBR (Fscrollbar_page_down);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
949 DEFSUBR (Fscrollbar_to_top);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
950 DEFSUBR (Fscrollbar_to_bottom);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
951 DEFSUBR (Fscrollbar_vertical_drag);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
952
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
953 DEFSUBR (Fscrollbar_set_hscroll);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
954 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
955
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
956 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
957 vars_of_scrollbar (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
958 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
959 DEFVAR_LISP ("scrollbar-pointer-glyph", &Vscrollbar_pointer_glyph /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
960 *The shape of the mouse-pointer when over a scrollbar.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
961 This is a glyph; use `set-glyph-image' to change it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
962 If unspecified in a particular domain, the window-system-provided
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
963 default pointer is used.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
964 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
965
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
966 Fprovide (intern ("scrollbar"));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
967 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
968
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
969 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
970 specifier_vars_of_scrollbar (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
971 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
972 DEFVAR_SPECIFIER ("scrollbar-width", &Vscrollbar_width /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
973 *Width of vertical scrollbars.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
974 This is a specifier; use `set-specifier' to change it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
975 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
976 Vscrollbar_width = make_magic_specifier (Qnatnum);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
977 set_specifier_fallback
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
978 (Vscrollbar_width,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
979 list1 (Fcons (Qnil, make_int (DEFAULT_SCROLLBAR_WIDTH))));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
980 set_specifier_caching (Vscrollbar_width,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
981 offsetof (struct window, scrollbar_width),
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
982 vertical_scrollbar_changed_in_window,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
983 offsetof (struct frame, scrollbar_width),
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
984 frame_size_slipped, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
985
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
986 DEFVAR_SPECIFIER ("scrollbar-height", &Vscrollbar_height /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
987 *Height of horizontal scrollbars.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
988 This is a specifier; use `set-specifier' to change it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
989 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
990 Vscrollbar_height = make_magic_specifier (Qnatnum);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
991 set_specifier_fallback
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
992 (Vscrollbar_height,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
993 list1 (Fcons (Qnil, make_int (DEFAULT_SCROLLBAR_HEIGHT))));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
994 set_specifier_caching (Vscrollbar_height,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
995 offsetof (struct window, scrollbar_height),
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
996 some_window_value_changed,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
997 offsetof (struct frame, scrollbar_height),
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
998 frame_size_slipped, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
999
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1000 DEFVAR_SPECIFIER ("horizontal-scrollbar-visible-p", &Vhorizontal_scrollbar_visible_p /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1001 *Whether the horizontal scrollbar is visible.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1002 This is a specifier; use `set-specifier' to change it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1003 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1004 Vhorizontal_scrollbar_visible_p = Fmake_specifier (Qboolean);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1005 set_specifier_fallback (Vhorizontal_scrollbar_visible_p,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1006 list1 (Fcons (Qnil, Qt)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1007 set_specifier_caching (Vhorizontal_scrollbar_visible_p,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1008 offsetof (struct window,
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1009 horizontal_scrollbar_visible_p),
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1010 some_window_value_changed,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1011 offsetof (struct frame,
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1012 horizontal_scrollbar_visible_p),
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1013 frame_size_slipped, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1014
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1015 DEFVAR_SPECIFIER ("vertical-scrollbar-visible-p", &Vvertical_scrollbar_visible_p /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1016 *Whether the vertical scrollbar is visible.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1017 This is a specifier; use `set-specifier' to change it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1018 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1019 Vvertical_scrollbar_visible_p = Fmake_specifier (Qboolean);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1020 set_specifier_fallback (Vvertical_scrollbar_visible_p,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1021 list1 (Fcons (Qnil, Qt)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1022 set_specifier_caching (Vvertical_scrollbar_visible_p,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1023 offsetof (struct window,
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1024 vertical_scrollbar_visible_p),
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1025 vertical_scrollbar_changed_in_window,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1026 offsetof (struct frame,
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1027 vertical_scrollbar_visible_p),
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1028 frame_size_slipped, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1029
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1030 DEFVAR_SPECIFIER ("scrollbar-on-left-p", &Vscrollbar_on_left_p /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1031 *Whether the vertical scrollbar is on the left side of window or frame.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1032 This is a specifier; use `set-specifier' to change it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1033 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1034 Vscrollbar_on_left_p = Fmake_specifier (Qboolean);
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1035
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1036 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1037 /* Kludge. Under X, we want athena scrollbars on the left,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1038 while all other scrollbars go on the right by default. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1039 Lisp_Object fallback = list1 (Fcons (Qnil, Qnil));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1040 #if defined (HAVE_X_WINDOWS) \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1041 && !defined (LWLIB_SCROLLBARS_MOTIF) \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1042 && !defined (LWLIB_SCROLLBARS_LUCID) \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1043 && !defined (LWLIB_SCROLLBARS_ATHENA3D)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1044
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1045 fallback = Fcons (Fcons (list1 (Qx), Qt), fallback);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1046 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1047 set_specifier_fallback (Vscrollbar_on_left_p, fallback);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1048 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1049
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1050 set_specifier_caching (Vscrollbar_on_left_p,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1051 offsetof (struct window, scrollbar_on_left_p),
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1052 vertical_scrollbar_changed_in_window,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1053 offsetof (struct frame, scrollbar_on_left_p),
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1054 frame_size_slipped, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1055
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1056 DEFVAR_SPECIFIER ("scrollbar-on-top-p", &Vscrollbar_on_top_p /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1057 *Whether the horizontal scrollbar is on the top side of window or frame.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1058 This is a specifier; use `set-specifier' to change it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1059 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1060 Vscrollbar_on_top_p = Fmake_specifier (Qboolean);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1061 set_specifier_fallback (Vscrollbar_on_top_p,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1062 list1 (Fcons (Qnil, Qnil)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1063 set_specifier_caching (Vscrollbar_on_top_p,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1064 offsetof (struct window, scrollbar_on_top_p),
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1065 some_window_value_changed,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1066 offsetof (struct frame, scrollbar_on_top_p),
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1067 frame_size_slipped, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1068 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1069
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1070 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1071 complex_vars_of_scrollbar (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1072 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1073 Vscrollbar_pointer_glyph = Fmake_glyph_internal (Qpointer);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1074
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1075 set_specifier_caching (XGLYPH (Vscrollbar_pointer_glyph)->image,
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
1076 offsetof (struct window, scrollbar_pointer),
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1077 scrollbar_pointer_changed_in_window,
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1078 0, 0, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1079 }