58de1aac5c
This prevents a spurious pointer focus clear at the start of a grab. This would, for example, cause an extra pointer leave when bringing up a right-click pop-up in a ttk app like weston-terminal. Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
381 lines
12 KiB
C
381 lines
12 KiB
C
/*
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* Copyright © 2010-2012 Intel Corporation
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* Copyright © 2011-2012 Collabora, Ltd.
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* Copyright © 2013 Raspberry Pi Foundation
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* Copyright © 2016 Quentin "Sardem FF7" Glidic
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <assert.h>
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#include <wayland-server.h>
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#include <libweston/libweston.h>
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#include <libweston/zalloc.h>
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#include <libweston/desktop.h>
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#include "internal.h"
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#include "shared/timespec-util.h"
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struct weston_desktop_seat {
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struct wl_listener seat_destroy_listener;
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struct weston_seat *seat;
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struct {
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struct weston_keyboard_grab keyboard;
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struct weston_pointer_grab pointer;
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struct weston_touch_grab touch;
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bool initial_up;
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struct wl_client *client;
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struct wl_list surfaces;
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} popup_grab;
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};
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static void weston_desktop_seat_popup_grab_end(struct weston_desktop_seat *seat);
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static void
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weston_desktop_seat_popup_grab_keyboard_key(struct weston_keyboard_grab *grab,
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const struct timespec *time,
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uint32_t key,
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enum wl_keyboard_key_state state)
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{
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weston_keyboard_send_key(grab->keyboard, time, key, state);
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}
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static void
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weston_desktop_seat_popup_grab_keyboard_modifiers(struct weston_keyboard_grab *grab,
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uint32_t serial,
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uint32_t mods_depressed,
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uint32_t mods_latched,
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uint32_t mods_locked,
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uint32_t group)
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{
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weston_keyboard_send_modifiers(grab->keyboard, serial, mods_depressed,
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mods_latched, mods_locked, group);
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}
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static void
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weston_desktop_seat_popup_grab_keyboard_cancel(struct weston_keyboard_grab *grab)
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{
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struct weston_desktop_seat *seat =
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wl_container_of(grab, seat, popup_grab.keyboard);
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weston_desktop_seat_popup_grab_end(seat);
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}
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static const struct weston_keyboard_grab_interface weston_desktop_seat_keyboard_popup_grab_interface = {
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.key = weston_desktop_seat_popup_grab_keyboard_key,
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.modifiers = weston_desktop_seat_popup_grab_keyboard_modifiers,
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.cancel = weston_desktop_seat_popup_grab_keyboard_cancel,
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};
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static void
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weston_desktop_seat_popup_grab_pointer_focus(struct weston_pointer_grab *grab)
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{
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struct weston_desktop_seat *seat =
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wl_container_of(grab, seat, popup_grab.pointer);
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struct weston_pointer *pointer = grab->pointer;
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struct weston_view *view;
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view = weston_compositor_pick_view(pointer->seat->compositor,
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pointer->x, pointer->y);
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if (view != NULL &&
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view->surface->resource != NULL &&
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wl_resource_get_client(view->surface->resource) == seat->popup_grab.client)
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weston_pointer_set_focus(pointer, view);
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else
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weston_pointer_clear_focus(pointer);
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}
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static void
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weston_desktop_seat_popup_grab_pointer_motion(struct weston_pointer_grab *grab,
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const struct timespec *time,
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struct weston_pointer_motion_event *event)
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{
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weston_pointer_send_motion(grab->pointer, time, event);
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}
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static void
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weston_desktop_seat_popup_grab_pointer_button(struct weston_pointer_grab *grab,
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const struct timespec *time,
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uint32_t button,
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enum wl_pointer_button_state state)
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{
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struct weston_desktop_seat *seat =
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wl_container_of(grab, seat, popup_grab.pointer);
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struct weston_pointer *pointer = grab->pointer;
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bool initial_up = seat->popup_grab.initial_up;
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if (state == WL_POINTER_BUTTON_STATE_RELEASED)
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seat->popup_grab.initial_up = true;
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if (weston_pointer_has_focus_resource(pointer))
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weston_pointer_send_button(pointer, time, button, state);
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else if (state == WL_POINTER_BUTTON_STATE_RELEASED &&
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(initial_up ||
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(timespec_sub_to_msec(time, &grab->pointer->grab_time) > 500)))
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weston_desktop_seat_popup_grab_end(seat);
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}
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static void
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weston_desktop_seat_popup_grab_pointer_axis(struct weston_pointer_grab *grab,
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const struct timespec *time,
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struct weston_pointer_axis_event *event)
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{
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weston_pointer_send_axis(grab->pointer, time, event);
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}
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static void
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weston_desktop_seat_popup_grab_pointer_axis_source(struct weston_pointer_grab *grab,
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uint32_t source)
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{
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weston_pointer_send_axis_source(grab->pointer, source);
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}
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static void
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weston_desktop_seat_popup_grab_pointer_frame(struct weston_pointer_grab *grab)
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{
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weston_pointer_send_frame(grab->pointer);
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}
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static void
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weston_desktop_seat_popup_grab_pointer_cancel(struct weston_pointer_grab *grab)
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{
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struct weston_desktop_seat *seat =
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wl_container_of(grab, seat, popup_grab.pointer);
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weston_desktop_seat_popup_grab_end(seat);
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}
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static const struct weston_pointer_grab_interface weston_desktop_seat_pointer_popup_grab_interface = {
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.focus = weston_desktop_seat_popup_grab_pointer_focus,
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.motion = weston_desktop_seat_popup_grab_pointer_motion,
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.button = weston_desktop_seat_popup_grab_pointer_button,
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.axis = weston_desktop_seat_popup_grab_pointer_axis,
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.axis_source = weston_desktop_seat_popup_grab_pointer_axis_source,
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.frame = weston_desktop_seat_popup_grab_pointer_frame,
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.cancel = weston_desktop_seat_popup_grab_pointer_cancel,
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};
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static void
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weston_desktop_seat_popup_grab_touch_down(struct weston_touch_grab *grab,
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const struct timespec *time,
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int touch_id,
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wl_fixed_t sx, wl_fixed_t sy)
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{
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weston_touch_send_down(grab->touch, time, touch_id, sx, sy);
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}
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static void
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weston_desktop_seat_popup_grab_touch_up(struct weston_touch_grab *grab,
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const struct timespec *time,
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int touch_id)
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{
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weston_touch_send_up(grab->touch, time, touch_id);
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}
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static void
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weston_desktop_seat_popup_grab_touch_motion(struct weston_touch_grab *grab,
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const struct timespec *time,
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int touch_id,
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wl_fixed_t sx, wl_fixed_t sy)
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{
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weston_touch_send_motion(grab->touch, time, touch_id, sx, sy);
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}
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static void
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weston_desktop_seat_popup_grab_touch_frame(struct weston_touch_grab *grab)
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{
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weston_touch_send_frame(grab->touch);
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}
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static void
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weston_desktop_seat_popup_grab_touch_cancel(struct weston_touch_grab *grab)
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{
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struct weston_desktop_seat *seat =
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wl_container_of(grab, seat, popup_grab.touch);
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weston_desktop_seat_popup_grab_end(seat);
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}
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static const struct weston_touch_grab_interface weston_desktop_seat_touch_popup_grab_interface = {
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.down = weston_desktop_seat_popup_grab_touch_down,
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.up = weston_desktop_seat_popup_grab_touch_up,
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.motion = weston_desktop_seat_popup_grab_touch_motion,
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.frame = weston_desktop_seat_popup_grab_touch_frame,
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.cancel = weston_desktop_seat_popup_grab_touch_cancel,
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};
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static void
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weston_desktop_seat_destroy(struct wl_listener *listener, void *data)
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{
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struct weston_desktop_seat *seat =
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wl_container_of(listener, seat, seat_destroy_listener);
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free(seat);
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}
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struct weston_desktop_seat *
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weston_desktop_seat_from_seat(struct weston_seat *wseat)
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{
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struct wl_listener *listener;
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struct weston_desktop_seat *seat;
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if (wseat == NULL)
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return NULL;
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listener = wl_signal_get(&wseat->destroy_signal,
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weston_desktop_seat_destroy);
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if (listener != NULL)
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return wl_container_of(listener, seat, seat_destroy_listener);
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seat = zalloc(sizeof(struct weston_desktop_seat));
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if (seat == NULL)
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return NULL;
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seat->seat = wseat;
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seat->seat_destroy_listener.notify = weston_desktop_seat_destroy;
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wl_signal_add(&wseat->destroy_signal, &seat->seat_destroy_listener);
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seat->popup_grab.keyboard.interface =
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&weston_desktop_seat_keyboard_popup_grab_interface;
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seat->popup_grab.pointer.interface =
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&weston_desktop_seat_pointer_popup_grab_interface;
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seat->popup_grab.touch.interface =
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&weston_desktop_seat_touch_popup_grab_interface;
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wl_list_init(&seat->popup_grab.surfaces);
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return seat;
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}
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struct weston_desktop_surface *
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weston_desktop_seat_popup_grab_get_topmost_surface(struct weston_desktop_seat *seat)
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{
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if (seat == NULL || wl_list_empty(&seat->popup_grab.surfaces))
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return NULL;
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struct wl_list *grab_link = seat->popup_grab.surfaces.next;
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return weston_desktop_surface_from_grab_link(grab_link);
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}
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bool
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weston_desktop_seat_popup_grab_start(struct weston_desktop_seat *seat,
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struct wl_client *client, uint32_t serial)
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{
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assert(seat == NULL || seat->popup_grab.client == NULL ||
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seat->popup_grab.client == client);
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struct weston_seat *wseat = seat != NULL ? seat->seat : NULL;
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/* weston_seat_get_* functions can properly handle a NULL wseat */
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struct weston_keyboard *keyboard = weston_seat_get_keyboard(wseat);
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struct weston_pointer *pointer = weston_seat_get_pointer(wseat);
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struct weston_touch *touch = weston_seat_get_touch(wseat);
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if ((keyboard == NULL || keyboard->grab_serial != serial) &&
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(pointer == NULL || pointer->grab_serial != serial) &&
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(touch == NULL || touch->grab_serial != serial)) {
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return false;
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}
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seat->popup_grab.initial_up =
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(pointer == NULL || pointer->button_count == 0);
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seat->popup_grab.client = client;
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if (keyboard != NULL &&
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keyboard->grab->interface != &weston_desktop_seat_keyboard_popup_grab_interface)
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weston_keyboard_start_grab(keyboard, &seat->popup_grab.keyboard);
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if (pointer != NULL &&
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pointer->grab->interface != &weston_desktop_seat_pointer_popup_grab_interface)
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weston_pointer_start_grab(pointer, &seat->popup_grab.pointer);
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if (touch != NULL &&
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touch->grab->interface != &weston_desktop_seat_touch_popup_grab_interface)
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weston_touch_start_grab(touch, &seat->popup_grab.touch);
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return true;
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}
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static void
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weston_desktop_seat_popup_grab_end(struct weston_desktop_seat *seat)
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{
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struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat->seat);
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struct weston_pointer *pointer = weston_seat_get_pointer(seat->seat);
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struct weston_touch *touch = weston_seat_get_touch(seat->seat);
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while (!wl_list_empty(&seat->popup_grab.surfaces)) {
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struct wl_list *link = seat->popup_grab.surfaces.prev;
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struct weston_desktop_surface *surface =
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weston_desktop_surface_from_grab_link(link);
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wl_list_remove(link);
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wl_list_init(link);
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weston_desktop_surface_popup_dismiss(surface);
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}
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if (keyboard != NULL &&
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keyboard->grab->interface == &weston_desktop_seat_keyboard_popup_grab_interface)
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weston_keyboard_end_grab(keyboard);
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if (pointer != NULL &&
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pointer->grab->interface == &weston_desktop_seat_pointer_popup_grab_interface)
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weston_pointer_end_grab(pointer);
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if (touch != NULL &&
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touch->grab->interface == &weston_desktop_seat_touch_popup_grab_interface)
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weston_touch_end_grab(touch);
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seat->popup_grab.client = NULL;
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}
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void
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weston_desktop_seat_popup_grab_add_surface(struct weston_desktop_seat *seat,
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struct wl_list *link)
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{
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assert(seat->popup_grab.client != NULL);
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wl_list_insert(&seat->popup_grab.surfaces, link);
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}
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void
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weston_desktop_seat_popup_grab_remove_surface(struct weston_desktop_seat *seat,
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struct wl_list *link)
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{
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assert(seat->popup_grab.client != NULL);
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wl_list_remove(link);
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wl_list_init(link);
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if (wl_list_empty(&seat->popup_grab.surfaces))
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weston_desktop_seat_popup_grab_end(seat);
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}
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WL_EXPORT void
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weston_seat_break_desktop_grabs(struct weston_seat *wseat)
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{
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struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat);
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weston_desktop_seat_popup_grab_end(seat);
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}
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