diff options
Diffstat (limited to 'src/keyboard.c')
-rw-r--r-- | src/keyboard.c | 345 |
1 files changed, 278 insertions, 67 deletions
diff --git a/src/keyboard.c b/src/keyboard.c index 1d8d98c9419..8b85911cc49 100644 --- a/src/keyboard.c +++ b/src/keyboard.c @@ -65,6 +65,7 @@ along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */ #include <sys/types.h> #include <unistd.h> #include <fcntl.h> +#include <math.h> #include <ignore-value.h> @@ -375,6 +376,7 @@ static void timer_resume_idle (void); static void deliver_user_signal (int); static char *find_user_signal_name (int); static void store_user_signal_events (void); +static bool is_ignored_event (union buffered_input_event *); /* Advance or retreat a buffered input event pointer. */ @@ -2943,20 +2945,8 @@ read_char (int commandflag, Lisp_Object map, last_input_event = c; call4 (Qcommand_execute, tem, Qnil, Fvector (1, &last_input_event), Qt); - if (CONSP (c) - && (EQ (XCAR (c), Qselect_window) - || EQ (XCAR (c), Qfocus_out) -#ifdef HAVE_DBUS - || EQ (XCAR (c), Qdbus_event) -#endif -#ifdef USE_FILE_NOTIFY - || EQ (XCAR (c), Qfile_notify) -#endif -#ifdef THREADS_ENABLED - || EQ (XCAR (c), Qthread_event) -#endif - || EQ (XCAR (c), Qconfig_changed_event)) - && !end_time) + if (CONSP (c) && !NILP (Fmemq (XCAR (c), Vwhile_no_input_ignore_events)) + && !end_time) /* We stopped being idle for this event; undo that. This prevents automatic window selection (under mouse-autoselect-window) from acting as a real input event, for @@ -3458,8 +3448,13 @@ readable_events (int flags) if (flags & READABLE_EVENTS_DO_TIMERS_NOW) timer_check (); - /* If the buffer contains only FOCUS_IN/OUT_EVENT events, and - READABLE_EVENTS_FILTER_EVENTS is set, report it as empty. */ + /* READABLE_EVENTS_FILTER_EVENTS is meant to be used only by + input-pending-p and similar callers, which aren't interested in + some input events. If this flag is set, and + input-pending-p-filter-events is non-nil, ignore events in + while-no-input-ignore-events. If the flag is set and + input-pending-p-filter-events is nil, ignore only + FOCUS_IN/OUT_EVENT events. */ if (kbd_fetch_ptr != kbd_store_ptr) { /* See https://lists.gnu.org/r/emacs-devel/2005-05/msg00297.html @@ -3478,8 +3473,11 @@ readable_events (int flags) #ifdef USE_TOOLKIT_SCROLL_BARS (flags & READABLE_EVENTS_FILTER_EVENTS) && #endif - (event->kind == FOCUS_IN_EVENT - || event->kind == FOCUS_OUT_EVENT)) + ((!input_pending_p_filter_events + && (event->kind == FOCUS_IN_EVENT + || event->kind == FOCUS_OUT_EVENT)) + || (input_pending_p_filter_events + && is_ignored_event (event)))) #ifdef USE_TOOLKIT_SCROLL_BARS && !((flags & READABLE_EVENTS_IGNORE_SQUEEZABLES) && (event->kind == SCROLL_BAR_CLICK_EVENT @@ -3661,29 +3659,10 @@ kbd_buffer_store_buffered_event (union buffered_input_event *event, #endif /* subprocesses */ } - Lisp_Object ignore_event; - - switch (event->kind) - { - case FOCUS_IN_EVENT: ignore_event = Qfocus_in; break; - case FOCUS_OUT_EVENT: ignore_event = Qfocus_out; break; - case HELP_EVENT: ignore_event = Qhelp_echo; break; - case ICONIFY_EVENT: ignore_event = Qiconify_frame; break; - case DEICONIFY_EVENT: ignore_event = Qmake_frame_visible; break; - case SELECTION_REQUEST_EVENT: ignore_event = Qselection_request; break; -#ifdef USE_FILE_NOTIFY - case FILE_NOTIFY_EVENT: ignore_event = Qfile_notify; break; -#endif -#ifdef HAVE_DBUS - case DBUS_EVENT: ignore_event = Qdbus_event; break; -#endif - default: ignore_event = Qnil; break; - } - /* If we're inside while-no-input, and this event qualifies as input, set quit-flag to cause an interrupt. */ if (!NILP (Vthrow_on_input) - && NILP (Fmemq (ignore_event, Vwhile_no_input_ignore_events))) + && !is_ignored_event (event)) Vquit_flag = Vthrow_on_input; } @@ -3887,7 +3866,7 @@ kbd_buffer_get_event (KBOARD **kbp, /* One way or another, wait until input is available; then, if interrupt handlers have not read it, read it now. */ -#ifdef USABLE_SIGIO +#if defined (USABLE_SIGIO) || defined (USABLE_SIGPOLL) gobble_input (); #endif if (kbd_fetch_ptr != kbd_store_ptr) @@ -3994,6 +3973,9 @@ kbd_buffer_get_event (KBOARD **kbp, *used_mouse_menu = true; FALLTHROUGH; #endif +#ifdef HAVE_PGTK + case PGTK_PREEDIT_TEXT_EVENT: +#endif #ifdef HAVE_NTGUI case END_SESSION_EVENT: case LANGUAGE_CHANGE_EVENT: @@ -4015,6 +3997,7 @@ kbd_buffer_get_event (KBOARD **kbp, #endif #ifdef HAVE_XWIDGETS case XWIDGET_EVENT: + case XWIDGET_DISPLAY_EVENT: #endif case SAVE_SESSION_EVENT: case NO_EVENT: @@ -4055,6 +4038,61 @@ kbd_buffer_get_event (KBOARD **kbp, and build a real event from the queue entry. */ if (NILP (obj)) { + double pinch_dx, pinch_dy, pinch_angle; + + /* Pinch events are often sent in rapid succession, so + large amounts of such events have the potential to + queue up inside the keyboard buffer. In that case, + find the last pinch event in succession on the same + frame with the same modifiers, and send that instead. */ + + if (event->ie.kind == PINCH_EVENT + /* Ignore if this is the start of a pinch sequence. + These events should always be sent so that we + never miss a sequence starting, and they don't + have the potential to queue up. */ + && ((pinch_dx + = XFLOAT_DATA (XCAR (event->ie.arg))) != 0.0 + || XFLOAT_DATA (XCAR (XCDR (event->ie.arg))) != 0.0 + || XFLOAT_DATA (Fnth (make_fixnum (3), event->ie.arg)) != 0.0)) + { + union buffered_input_event *maybe_event = next_kbd_event (event); + + pinch_dy = XFLOAT_DATA (XCAR (XCDR (event->ie.arg))); + pinch_angle = XFLOAT_DATA (Fnth (make_fixnum (3), event->ie.arg)); + + while (maybe_event != kbd_store_ptr + && maybe_event->ie.kind == PINCH_EVENT + /* Make sure we never miss an event that has + different modifiers. */ + && maybe_event->ie.modifiers == event->ie.modifiers + /* Make sure that the event is for the same + frame. */ + && EQ (maybe_event->ie.frame_or_window, + event->ie.frame_or_window) + /* Make sure that the event isn't the start + of a new pinch gesture sequence. */ + && (XFLOAT_DATA (XCAR (maybe_event->ie.arg)) != 0.0 + || XFLOAT_DATA (XCAR (XCDR (maybe_event->ie.arg))) != 0.0 + || XFLOAT_DATA (Fnth (make_fixnum (3), + maybe_event->ie.arg)) != 0.0)) + { + event = maybe_event; + /* Add up relative deltas inside events we skip. */ + pinch_dx += XFLOAT_DATA (XCAR (maybe_event->ie.arg)); + pinch_dy += XFLOAT_DATA (XCAR (XCDR (maybe_event->ie.arg))); + pinch_angle += XFLOAT_DATA (Fnth (make_fixnum (3), + maybe_event->ie.arg)); + + XSETCAR (maybe_event->ie.arg, make_float (pinch_dx)); + XSETCAR (XCDR (maybe_event->ie.arg), make_float (pinch_dy)); + XSETCAR (Fnthcdr (make_fixnum (3), + maybe_event->ie.arg), + make_float (fmod (pinch_angle, 360.0))); + maybe_event = next_kbd_event (event); + } + } + obj = make_lispy_event (&event->ie); #ifdef HAVE_EXT_MENU_BAR @@ -4484,6 +4522,7 @@ static Lisp_Object func_key_syms; static Lisp_Object mouse_syms; static Lisp_Object wheel_syms; static Lisp_Object drag_n_drop_syms; +static Lisp_Object pinch_syms; /* This is a list of keysym codes for special "accent" characters. It parallels lispy_accent_keys. */ @@ -4919,7 +4958,7 @@ static const char *const lispy_kana_keys[] = /* You'll notice that this table is arranged to be conveniently indexed by X Windows keysym values. */ -static const char *const lispy_function_keys[] = +const char *const lispy_function_keys[] = { /* X Keysym value */ @@ -6002,7 +6041,11 @@ make_lispy_event (struct input_event *event) ASIZE (wheel_syms)); } - if (NUMBERP (event->arg)) + if (CONSP (event->arg)) + return list5 (head, position, make_fixnum (double_click_count), + XCAR (event->arg), Fcons (XCAR (XCDR (event->arg)), + XCAR (XCDR (XCDR (event->arg))))); + else if (NUMBERP (event->arg)) return list4 (head, position, make_fixnum (double_click_count), event->arg); else if (event->modifiers & (double_modifier | triple_modifier)) @@ -6011,6 +6054,77 @@ make_lispy_event (struct input_event *event) return list2 (head, position); } + case TOUCH_END_EVENT: + { + Lisp_Object position; + + /* Build the position as appropriate for this mouse click. */ + struct frame *f = XFRAME (event->frame_or_window); + + if (! FRAME_LIVE_P (f)) + return Qnil; + + position = make_lispy_position (f, event->x, event->y, + event->timestamp); + + return list2 (Qtouch_end, position); + } + + case TOUCHSCREEN_BEGIN_EVENT: + case TOUCHSCREEN_END_EVENT: + { + Lisp_Object x, y, id, position; + struct frame *f = XFRAME (event->frame_or_window); + + id = event->arg; + x = event->x; + y = event->y; + + position = make_lispy_position (f, x, y, event->timestamp); + + return list2 (((event->kind + == TOUCHSCREEN_BEGIN_EVENT) + ? Qtouchscreen_begin + : Qtouchscreen_end), + Fcons (id, position)); + } + + case PINCH_EVENT: + { + Lisp_Object x, y, position; + struct frame *f = XFRAME (event->frame_or_window); + + x = event->x; + y = event->y; + + position = make_lispy_position (f, x, y, event->timestamp); + + return Fcons (modify_event_symbol (0, event->modifiers, Qpinch, + Qnil, (const char *[]) {"pinch"}, + &pinch_syms, 1), + Fcons (position, event->arg)); + } + + case TOUCHSCREEN_UPDATE_EVENT: + { + Lisp_Object x, y, id, position, tem, it, evt; + struct frame *f = XFRAME (event->frame_or_window); + evt = Qnil; + + for (tem = event->arg; CONSP (tem); tem = XCDR (tem)) + { + it = XCAR (tem); + + x = XCAR (it); + y = XCAR (XCDR (it)); + id = XCAR (XCDR (XCDR (it))); + + position = make_lispy_position (f, x, y, event->timestamp); + evt = Fcons (Fcons (id, position), evt); + } + + return list2 (Qtouchscreen_update, evt); + } #ifdef USE_TOOLKIT_SCROLL_BARS @@ -6145,23 +6259,20 @@ make_lispy_event (struct input_event *event) #ifdef HAVE_DBUS case DBUS_EVENT: - { - return Fcons (Qdbus_event, event->arg); - } + return Fcons (Qdbus_event, event->arg); #endif /* HAVE_DBUS */ #ifdef THREADS_ENABLED case THREAD_EVENT: - { - return Fcons (Qthread_event, event->arg); - } + return Fcons (Qthread_event, event->arg); #endif /* THREADS_ENABLED */ #ifdef HAVE_XWIDGETS case XWIDGET_EVENT: - { - return Fcons (Qxwidget_event, event->arg); - } + return Fcons (Qxwidget_event, event->arg); + + case XWIDGET_DISPLAY_EVENT: + return Fcons (Qxwidget_display_event, event->arg); #endif #ifdef USE_FILE_NOTIFY @@ -6178,6 +6289,11 @@ make_lispy_event (struct input_event *event) return list3 (Qconfig_changed_event, event->arg, event->frame_or_window); +#ifdef HAVE_PGTK + case PGTK_PREEDIT_TEXT_EVENT: + return list2 (intern ("pgtk-preedit-text"), event->arg); +#endif + /* The 'kind' field of the event is something we don't recognize. */ default: emacs_abort (); @@ -7205,7 +7321,7 @@ tty_read_avail_input (struct terminal *terminal, static void handle_async_input (void) { -#ifdef USABLE_SIGIO +#ifndef DOS_NT while (1) { int nread = gobble_input (); @@ -7268,7 +7384,7 @@ totally_unblock_input (void) unblock_input_to (0); } -#ifdef USABLE_SIGIO +#if defined (USABLE_SIGIO) || defined (USABLE_SIGPOLL) void handle_input_available_signal (int sig) @@ -7284,7 +7400,7 @@ deliver_input_available_signal (int sig) { deliver_process_signal (sig, handle_input_available_signal); } -#endif /* USABLE_SIGIO */ +#endif /* defined (USABLE_SIGIO) || defined (USABLE_SIGPOLL) */ /* User signal events. */ @@ -7354,7 +7470,7 @@ handle_user_signal (int sig) } p->npending++; -#ifdef USABLE_SIGIO +#if defined (USABLE_SIGIO) || defined (USABLE_SIGPOLL) if (interrupt_input) handle_input_available_signal (sig); else @@ -7857,7 +7973,9 @@ parse_menu_item (Lisp_Object item, int inmenubar) else if (EQ (tem, QCkeys)) { tem = XCAR (item); - if (CONSP (tem) || STRINGP (tem)) + if (FUNCTIONP (tem)) + ASET (item_properties, ITEM_PROPERTY_KEYEQ, call0 (tem)); + else if (CONSP (tem) || STRINGP (tem)) ASET (item_properties, ITEM_PROPERTY_KEYEQ, tem); } else if (EQ (tem, QCbutton) && CONSP (XCAR (item))) @@ -10185,7 +10303,8 @@ read_key_sequence (Lisp_Object *keybuf, Lisp_Object prompt, use the corresponding lower-case letter instead. */ if (NILP (current_binding) && /* indec.start >= t && fkey.start >= t && */ keytran.start >= t - && FIXNUMP (key)) + && FIXNUMP (key) + && translate_upper_case_key_bindings) { Lisp_Object new_key; EMACS_INT k = XFIXNUM (key); @@ -10237,12 +10356,14 @@ read_key_sequence (Lisp_Object *keybuf, Lisp_Object prompt, int modifiers = CONSP (breakdown) ? (XFIXNUM (XCAR (XCDR (breakdown)))) : 0; - if (modifiers & shift_modifier - /* Treat uppercase keys as shifted. */ - || (FIXNUMP (key) - && (KEY_TO_CHAR (key) - < XCHAR_TABLE (BVAR (current_buffer, downcase_table))->header.size) - && uppercasep (KEY_TO_CHAR (key)))) + if (translate_upper_case_key_bindings + && (modifiers & shift_modifier + /* Treat uppercase keys as shifted. */ + || (FIXNUMP (key) + && (KEY_TO_CHAR (key) + < XCHAR_TABLE (BVAR (current_buffer, + downcase_table))->header.size) + && uppercasep (KEY_TO_CHAR (key))))) { Lisp_Object new_key = (modifiers & shift_modifier @@ -11119,7 +11240,7 @@ See also `current-input-mode'. */) (Lisp_Object interrupt) { bool new_interrupt_input; -#ifdef USABLE_SIGIO +#if defined (USABLE_SIGIO) || defined (USABLE_SIGPOLL) #ifdef HAVE_X_WINDOWS if (x_display_list != NULL) { @@ -11130,9 +11251,9 @@ See also `current-input-mode'. */) else #endif /* HAVE_X_WINDOWS */ new_interrupt_input = !NILP (interrupt); -#else /* not USABLE_SIGIO */ +#else /* not USABLE_SIGIO || USABLE_SIGPOLL */ new_interrupt_input = false; -#endif /* not USABLE_SIGIO */ +#endif /* not USABLE_SIGIO || USABLE_SIGPOLL */ if (new_interrupt_input != interrupt_input) { @@ -11561,12 +11682,16 @@ init_keyboard (void) sigaction (SIGQUIT, &action, 0); #endif /* not DOS_NT */ } -#ifdef USABLE_SIGIO +#if defined (USABLE_SIGIO) || defined (USABLE_SIGPOLL) if (!noninteractive) { struct sigaction action; emacs_sigaction_init (&action, deliver_input_available_signal); +#ifdef USABLE_SIGIO sigaction (SIGIO, &action, 0); +#else + sigaction (SIGPOLL, &action, 0); +#endif } #endif @@ -11618,6 +11743,52 @@ static const struct event_head head_table[] = { {SYMBOL_INDEX (Qselect_window), SYMBOL_INDEX (Qswitch_frame)} }; +static Lisp_Object +init_while_no_input_ignore_events (void) +{ + Lisp_Object events = listn (9, Qselect_window, Qhelp_echo, Qmove_frame, + Qiconify_frame, Qmake_frame_visible, + Qfocus_in, Qfocus_out, Qconfig_changed_event, + Qselection_request); + +#ifdef HAVE_DBUS + events = Fcons (Qdbus_event, events); +#endif +#ifdef USE_FILE_NOTIFY + events = Fcons (Qfile_notify, events); +#endif +#ifdef THREADS_ENABLED + events = Fcons (Qthread_event, events); +#endif + + return events; +} + +static bool +is_ignored_event (union buffered_input_event *event) +{ + Lisp_Object ignore_event; + + switch (event->kind) + { + case FOCUS_IN_EVENT: ignore_event = Qfocus_in; break; + case FOCUS_OUT_EVENT: ignore_event = Qfocus_out; break; + case HELP_EVENT: ignore_event = Qhelp_echo; break; + case ICONIFY_EVENT: ignore_event = Qiconify_frame; break; + case DEICONIFY_EVENT: ignore_event = Qmake_frame_visible; break; + case SELECTION_REQUEST_EVENT: ignore_event = Qselection_request; break; +#ifdef USE_FILE_NOTIFY + case FILE_NOTIFY_EVENT: ignore_event = Qfile_notify; break; +#endif +#ifdef HAVE_DBUS + case DBUS_EVENT: ignore_event = Qdbus_event; break; +#endif + default: ignore_event = Qnil; break; + } + + return !NILP (Fmemq (ignore_event, Vwhile_no_input_ignore_events)); +} + static void syms_of_keyboard_for_pdumper (void); void @@ -11704,12 +11875,15 @@ syms_of_keyboard (void) #ifdef HAVE_XWIDGETS DEFSYM (Qxwidget_event, "xwidget-event"); + DEFSYM (Qxwidget_display_event, "xwidget-display-event"); #endif #ifdef USE_FILE_NOTIFY DEFSYM (Qfile_notify, "file-notify"); #endif /* USE_FILE_NOTIFY */ + DEFSYM (Qtouch_end, "touch-end"); + /* Menu and tool bar item parts. */ DEFSYM (QCenable, ":enable"); DEFSYM (QCvisible, ":visible"); @@ -11869,6 +12043,9 @@ syms_of_keyboard (void) drag_n_drop_syms = Qnil; staticpro (&drag_n_drop_syms); + pinch_syms = Qnil; + staticpro (&pinch_syms); + unread_switch_frame = Qnil; staticpro (&unread_switch_frame); @@ -12205,6 +12382,10 @@ See also `pre-command-hook'. */); doc: /* Normal hook run when clearing the echo area. */); #endif DEFSYM (Qecho_area_clear_hook, "echo-area-clear-hook"); + DEFSYM (Qtouchscreen_begin, "touchscreen-begin"); + DEFSYM (Qtouchscreen_end, "touchscreen-end"); + DEFSYM (Qtouchscreen_update, "touchscreen-update"); + DEFSYM (Qpinch, "pinch"); Fset (Qecho_area_clear_hook, Qnil); DEFVAR_LISP ("lucid-menu-bar-dirty-flag", Vlucid_menu_bar_dirty_flag, @@ -12512,7 +12693,35 @@ If nil, Emacs crashes immediately in response to fatal signals. */); DEFVAR_LISP ("while-no-input-ignore-events", Vwhile_no_input_ignore_events, - doc: /* Ignored events from while-no-input. */); + doc: /* Ignored events from `while-no-input'. +Events in this list do not count as pending input while running +`while-no-input' and do not cause any idle timers to get reset when they +occur. */); + Vwhile_no_input_ignore_events = init_while_no_input_ignore_events (); + + DEFVAR_BOOL ("translate-upper-case-key-bindings", + translate_upper_case_key_bindings, + doc: /* If non-nil, interpret upper case keys as lower case (when applicable). +Emacs allows binding both upper and lower case key sequences to +commands. However, if there is a lower case key sequence bound to a +command, and the user enters an upper case key sequence that is not +bound to a command, Emacs will use the lower case binding. Setting +this variable to nil inhibits this behaviour. */); + translate_upper_case_key_bindings = true; + + DEFVAR_BOOL ("input-pending-p-filter-events", + input_pending_p_filter_events, + doc: /* If non-nil, `input-pending-p' ignores some input events. +If this variable is non-nil (the default), `input-pending-p' and +other similar functions ignore input events in `while-no-input-ignore-events'. +This flag may eventually be removed once this behavior is deemed safe. */); + input_pending_p_filter_events = true; + + DEFVAR_BOOL ("mwheel-coalesce-scroll-events", mwheel_coalesce_scroll_events, + doc: /* Non-nil means send a wheel event only for scrolling at least one screen line. +Otherwise, a wheel event will be sent every time the mouse wheel is +moved. */); + mwheel_coalesce_scroll_events = true; pdumper_do_now_and_after_load (syms_of_keyboard_for_pdumper); } @@ -12562,6 +12771,8 @@ keys_of_keyboard (void) "ns-put-working-text"); initial_define_lispy_key (Vspecial_event_map, "ns-unput-working-text", "ns-unput-working-text"); + initial_define_lispy_key (Vspecial_event_map, "pgtk-preedit-text", + "pgtk-preedit-text"); /* Here we used to use `ignore-event' which would simple set prefix-arg to current-prefix-arg, as is done in `handle-switch-frame'. But `handle-switch-frame is not run from the special-map. |