mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-09-06 18:05:39 +00:00
![Jussi Kukkonen](/assets/img/avatar_default.png)
Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com> Reviewed-by: Yong Bakos <ybakos@humanoriented.com>
694 lines
20 KiB
C
694 lines
20 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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*
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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 <stdint.h>
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#include <linux/input.h>
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#include "shell.h"
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#include "shared/helpers.h"
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struct exposay_surface {
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struct desktop_shell *shell;
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struct exposay_output *eoutput;
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struct weston_surface *surface;
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struct weston_view *view;
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struct wl_listener view_destroy_listener;
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struct wl_list link;
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int x;
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int y;
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int width;
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int height;
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double scale;
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int row;
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int column;
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/* The animations only apply a transformation for their own lifetime,
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* and don't have an option to indefinitely maintain the
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* transformation in a steady state - so, we apply our own once the
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* animation has finished. */
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struct weston_transform transform;
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};
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static void exposay_set_state(struct desktop_shell *shell,
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enum exposay_target_state state,
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struct weston_seat *seat);
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static void exposay_check_state(struct desktop_shell *shell);
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static void
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exposay_surface_destroy(struct exposay_surface *esurface)
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{
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wl_list_remove(&esurface->link);
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wl_list_remove(&esurface->view_destroy_listener.link);
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if (esurface->shell->exposay.focus_current == esurface->view)
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esurface->shell->exposay.focus_current = NULL;
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if (esurface->shell->exposay.focus_prev == esurface->view)
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esurface->shell->exposay.focus_prev = NULL;
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free(esurface);
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}
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static void
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exposay_in_flight_inc(struct desktop_shell *shell)
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{
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shell->exposay.in_flight++;
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}
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static void
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exposay_in_flight_dec(struct desktop_shell *shell)
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{
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if (--shell->exposay.in_flight > 0)
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return;
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exposay_check_state(shell);
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}
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static void
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exposay_animate_in_done(struct weston_view_animation *animation, void *data)
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{
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struct exposay_surface *esurface = data;
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wl_list_insert(&esurface->view->geometry.transformation_list,
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&esurface->transform.link);
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weston_matrix_init(&esurface->transform.matrix);
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weston_matrix_scale(&esurface->transform.matrix,
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esurface->scale, esurface->scale, 1.0f);
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weston_matrix_translate(&esurface->transform.matrix,
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esurface->x - esurface->view->geometry.x,
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esurface->y - esurface->view->geometry.y,
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0);
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weston_view_geometry_dirty(esurface->view);
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weston_compositor_schedule_repaint(esurface->view->surface->compositor);
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exposay_in_flight_dec(esurface->shell);
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}
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static void
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exposay_animate_in(struct exposay_surface *esurface)
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{
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exposay_in_flight_inc(esurface->shell);
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weston_move_scale_run(esurface->view,
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esurface->x - esurface->view->geometry.x,
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esurface->y - esurface->view->geometry.y,
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1.0, esurface->scale, 0,
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exposay_animate_in_done, esurface);
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}
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static void
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exposay_animate_out_done(struct weston_view_animation *animation, void *data)
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{
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struct exposay_surface *esurface = data;
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struct desktop_shell *shell = esurface->shell;
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exposay_surface_destroy(esurface);
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exposay_in_flight_dec(shell);
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}
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static void
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exposay_animate_out(struct exposay_surface *esurface)
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{
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exposay_in_flight_inc(esurface->shell);
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/* Remove the static transformation set up by
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* exposay_transform_in_done(). */
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wl_list_remove(&esurface->transform.link);
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weston_view_geometry_dirty(esurface->view);
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weston_move_scale_run(esurface->view,
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esurface->x - esurface->view->geometry.x,
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esurface->y - esurface->view->geometry.y,
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1.0, esurface->scale, 1,
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exposay_animate_out_done, esurface);
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}
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static void
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exposay_highlight_surface(struct desktop_shell *shell,
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struct exposay_surface *esurface)
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{
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struct weston_view *view = esurface->view;
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if (shell->exposay.focus_current == view)
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return;
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shell->exposay.row_current = esurface->row;
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shell->exposay.column_current = esurface->column;
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shell->exposay.cur_output = esurface->eoutput;
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activate(shell, view, shell->exposay.seat,
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WESTON_ACTIVATE_FLAG_NONE);
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shell->exposay.focus_current = view;
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}
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static int
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exposay_is_animating(struct desktop_shell *shell)
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{
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if (shell->exposay.state_cur == EXPOSAY_LAYOUT_INACTIVE ||
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shell->exposay.state_cur == EXPOSAY_LAYOUT_OVERVIEW)
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return 0;
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return (shell->exposay.in_flight > 0);
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}
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static void
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exposay_pick(struct desktop_shell *shell, int x, int y)
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{
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struct exposay_surface *esurface;
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if (exposay_is_animating(shell))
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return;
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wl_list_for_each(esurface, &shell->exposay.surface_list, link) {
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if (x < esurface->x || x > esurface->x + esurface->width)
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continue;
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if (y < esurface->y || y > esurface->y + esurface->height)
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continue;
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exposay_highlight_surface(shell, esurface);
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return;
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}
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}
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static void
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handle_view_destroy(struct wl_listener *listener, void *data)
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{
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struct exposay_surface *esurface = container_of(listener,
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struct exposay_surface,
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view_destroy_listener);
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exposay_surface_destroy(esurface);
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}
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/* Pretty lame layout for now; just tries to make a square. Should take
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* aspect ratio into account really. Also needs to be notified of surface
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* addition and removal and adjust layout/animate accordingly. */
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static enum exposay_layout_state
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exposay_layout(struct desktop_shell *shell, struct shell_output *shell_output)
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{
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struct workspace *workspace = shell->exposay.workspace;
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struct weston_output *output = shell_output->output;
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struct exposay_output *eoutput = &shell_output->eoutput;
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struct weston_view *view;
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struct exposay_surface *esurface, *highlight = NULL;
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int w, h;
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int i;
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int last_row_removed = 0;
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eoutput->num_surfaces = 0;
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wl_list_for_each(view, &workspace->layer.view_list.link, layer_link.link) {
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if (!get_shell_surface(view->surface))
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continue;
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if (view->output != output)
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continue;
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eoutput->num_surfaces++;
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}
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if (eoutput->num_surfaces == 0) {
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eoutput->grid_size = 0;
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eoutput->hpadding_outer = 0;
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eoutput->vpadding_outer = 0;
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eoutput->padding_inner = 0;
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eoutput->surface_size = 0;
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return EXPOSAY_LAYOUT_OVERVIEW;
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}
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/* Lay the grid out as square as possible, losing surfaces from the
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* bottom row if required. Start with fixed padding of a 10% margin
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* around the outside and 80px internal padding between surfaces, and
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* maximise the area made available to surfaces after this, but only
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* to a maximum of 1/3rd the total output size.
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*
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* If we can't make a square grid, add one extra row at the bottom
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* which will have a smaller number of columns.
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*
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* XXX: Surely there has to be a better way to express this maths,
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* right?!
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*/
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eoutput->grid_size = floor(sqrtf(eoutput->num_surfaces));
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if (pow(eoutput->grid_size, 2) != eoutput->num_surfaces)
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eoutput->grid_size++;
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last_row_removed = pow(eoutput->grid_size, 2) - eoutput->num_surfaces;
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eoutput->hpadding_outer = (output->width / 10);
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eoutput->vpadding_outer = (output->height / 10);
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eoutput->padding_inner = 80;
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w = output->width - (eoutput->hpadding_outer * 2);
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w -= eoutput->padding_inner * (eoutput->grid_size - 1);
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w /= eoutput->grid_size;
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h = output->height - (eoutput->vpadding_outer * 2);
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h -= eoutput->padding_inner * (eoutput->grid_size - 1);
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h /= eoutput->grid_size;
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eoutput->surface_size = (w < h) ? w : h;
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if (eoutput->surface_size > (output->width / 2))
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eoutput->surface_size = output->width / 2;
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if (eoutput->surface_size > (output->height / 2))
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eoutput->surface_size = output->height / 2;
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i = 0;
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wl_list_for_each(view, &workspace->layer.view_list.link, layer_link.link) {
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int pad;
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pad = eoutput->surface_size + eoutput->padding_inner;
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if (!get_shell_surface(view->surface))
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continue;
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if (view->output != output)
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continue;
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esurface = malloc(sizeof(*esurface));
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if (!esurface) {
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exposay_set_state(shell, EXPOSAY_TARGET_CANCEL,
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shell->exposay.seat);
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break;
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}
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wl_list_insert(&shell->exposay.surface_list, &esurface->link);
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esurface->shell = shell;
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esurface->eoutput = eoutput;
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esurface->view = view;
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esurface->row = i / eoutput->grid_size;
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esurface->column = i % eoutput->grid_size;
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esurface->x = output->x + eoutput->hpadding_outer;
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esurface->x += pad * esurface->column;
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esurface->y = output->y + eoutput->vpadding_outer;
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esurface->y += pad * esurface->row;
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if (esurface->row == eoutput->grid_size - 1)
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esurface->x += (eoutput->surface_size + eoutput->padding_inner) * last_row_removed / 2;
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if (view->surface->width > view->surface->height)
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esurface->scale = eoutput->surface_size / (float) view->surface->width;
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else
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esurface->scale = eoutput->surface_size / (float) view->surface->height;
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esurface->width = view->surface->width * esurface->scale;
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esurface->height = view->surface->height * esurface->scale;
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if (shell->exposay.focus_current == esurface->view)
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highlight = esurface;
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exposay_animate_in(esurface);
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/* We want our destroy handler to be after the animation
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* destroy handler in the list, this way when the view is
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* destroyed, the animation can safely call the animation
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* completion callback before we free the esurface in our
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* destroy handler.
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*/
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esurface->view_destroy_listener.notify = handle_view_destroy;
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wl_signal_add(&view->destroy_signal, &esurface->view_destroy_listener);
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i++;
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}
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if (highlight) {
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shell->exposay.focus_current = NULL;
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exposay_highlight_surface(shell, highlight);
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}
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weston_compositor_schedule_repaint(shell->compositor);
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return EXPOSAY_LAYOUT_ANIMATE_TO_OVERVIEW;
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}
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static void
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exposay_focus(struct weston_pointer_grab *grab)
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{
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}
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static void
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exposay_motion(struct weston_pointer_grab *grab, uint32_t time,
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struct weston_pointer_motion_event *event)
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{
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struct desktop_shell *shell =
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container_of(grab, struct desktop_shell, exposay.grab_ptr);
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weston_pointer_move(grab->pointer, event);
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exposay_pick(shell,
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wl_fixed_to_int(grab->pointer->x),
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wl_fixed_to_int(grab->pointer->y));
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}
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static void
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exposay_button(struct weston_pointer_grab *grab, uint32_t time, uint32_t button,
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uint32_t state_w)
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{
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struct desktop_shell *shell =
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container_of(grab, struct desktop_shell, exposay.grab_ptr);
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struct weston_seat *seat = grab->pointer->seat;
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enum wl_pointer_button_state state = state_w;
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if (button != BTN_LEFT)
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return;
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/* Store the surface we clicked on, and don't do anything if we end up
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* releasing on a different surface. */
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if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
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shell->exposay.clicked = shell->exposay.focus_current;
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return;
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}
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if (shell->exposay.focus_current == shell->exposay.clicked)
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exposay_set_state(shell, EXPOSAY_TARGET_SWITCH, seat);
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else
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shell->exposay.clicked = NULL;
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}
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static void
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exposay_axis(struct weston_pointer_grab *grab,
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uint32_t time, struct weston_pointer_axis_event *event)
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{
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}
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static void
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exposay_axis_source(struct weston_pointer_grab *grab, uint32_t source)
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{
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}
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static void
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exposay_frame(struct weston_pointer_grab *grab)
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{
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}
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static void
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exposay_pointer_grab_cancel(struct weston_pointer_grab *grab)
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{
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struct desktop_shell *shell =
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container_of(grab, struct desktop_shell, exposay.grab_ptr);
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exposay_set_state(shell, EXPOSAY_TARGET_CANCEL, shell->exposay.seat);
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}
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static const struct weston_pointer_grab_interface exposay_ptr_grab = {
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exposay_focus,
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exposay_motion,
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exposay_button,
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exposay_axis,
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exposay_axis_source,
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exposay_frame,
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exposay_pointer_grab_cancel,
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};
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static int
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exposay_maybe_move(struct desktop_shell *shell, int row, int column)
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{
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struct exposay_surface *esurface;
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wl_list_for_each(esurface, &shell->exposay.surface_list, link) {
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if (esurface->eoutput != shell->exposay.cur_output ||
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esurface->row != row || esurface->column != column)
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continue;
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exposay_highlight_surface(shell, esurface);
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return 1;
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}
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return 0;
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}
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static void
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exposay_key(struct weston_keyboard_grab *grab, uint32_t time, uint32_t key,
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uint32_t state_w)
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{
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struct weston_seat *seat = grab->keyboard->seat;
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struct desktop_shell *shell =
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container_of(grab, struct desktop_shell, exposay.grab_kbd);
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enum wl_keyboard_key_state state = state_w;
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if (state != WL_KEYBOARD_KEY_STATE_RELEASED)
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return;
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switch (key) {
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case KEY_ESC:
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exposay_set_state(shell, EXPOSAY_TARGET_CANCEL, seat);
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break;
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case KEY_ENTER:
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exposay_set_state(shell, EXPOSAY_TARGET_SWITCH, seat);
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break;
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case KEY_UP:
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exposay_maybe_move(shell, shell->exposay.row_current - 1,
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shell->exposay.column_current);
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break;
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case KEY_DOWN:
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/* Special case for trying to move to the bottom row when it
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* has fewer items than all the others. */
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if (!exposay_maybe_move(shell, shell->exposay.row_current + 1,
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shell->exposay.column_current) &&
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shell->exposay.row_current < (shell->exposay.cur_output->grid_size - 1)) {
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exposay_maybe_move(shell, shell->exposay.row_current + 1,
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(shell->exposay.cur_output->num_surfaces %
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shell->exposay.cur_output->grid_size) - 1);
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}
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break;
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case KEY_LEFT:
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exposay_maybe_move(shell, shell->exposay.row_current,
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shell->exposay.column_current - 1);
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break;
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case KEY_RIGHT:
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exposay_maybe_move(shell, shell->exposay.row_current,
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shell->exposay.column_current + 1);
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break;
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case KEY_TAB:
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/* Try to move right, then down (and to the leftmost column),
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* then if all else fails, to the top left. */
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if (!exposay_maybe_move(shell, shell->exposay.row_current,
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shell->exposay.column_current + 1) &&
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!exposay_maybe_move(shell, shell->exposay.row_current + 1, 0))
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exposay_maybe_move(shell, 0, 0);
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break;
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default:
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break;
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}
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}
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static void
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exposay_modifier(struct weston_keyboard_grab *grab, uint32_t serial,
|
|
uint32_t mods_depressed, uint32_t mods_latched,
|
|
uint32_t mods_locked, uint32_t group)
|
|
{
|
|
struct desktop_shell *shell =
|
|
container_of(grab, struct desktop_shell, exposay.grab_kbd);
|
|
struct weston_seat *seat = (struct weston_seat *) grab->keyboard->seat;
|
|
|
|
/* We want to know when mod has been pressed and released.
|
|
* FIXME: There is a problem here: if mod is pressed, then a key
|
|
* is pressed and released, then mod is released, we will treat that
|
|
* as if only mod had been pressed and released. */
|
|
if (seat->modifier_state) {
|
|
if (seat->modifier_state == shell->binding_modifier) {
|
|
shell->exposay.mod_pressed = true;
|
|
} else {
|
|
shell->exposay.mod_invalid = true;
|
|
}
|
|
} else {
|
|
if (shell->exposay.mod_pressed && !shell->exposay.mod_invalid)
|
|
exposay_set_state(shell, EXPOSAY_TARGET_CANCEL, seat);
|
|
|
|
shell->exposay.mod_invalid = false;
|
|
shell->exposay.mod_pressed = false;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
exposay_cancel(struct weston_keyboard_grab *grab)
|
|
{
|
|
struct desktop_shell *shell =
|
|
container_of(grab, struct desktop_shell, exposay.grab_kbd);
|
|
|
|
exposay_set_state(shell, EXPOSAY_TARGET_CANCEL, shell->exposay.seat);
|
|
}
|
|
|
|
static const struct weston_keyboard_grab_interface exposay_kbd_grab = {
|
|
exposay_key,
|
|
exposay_modifier,
|
|
exposay_cancel,
|
|
};
|
|
|
|
/**
|
|
* Called when the transition from overview -> inactive has completed.
|
|
*/
|
|
static enum exposay_layout_state
|
|
exposay_set_inactive(struct desktop_shell *shell)
|
|
{
|
|
struct weston_seat *seat = shell->exposay.seat;
|
|
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
|
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
|
|
|
if (pointer)
|
|
weston_pointer_end_grab(pointer);
|
|
|
|
if (keyboard) {
|
|
weston_keyboard_end_grab(keyboard);
|
|
if (keyboard->input_method_resource)
|
|
keyboard->grab = &keyboard->input_method_grab;
|
|
}
|
|
|
|
return EXPOSAY_LAYOUT_INACTIVE;
|
|
}
|
|
|
|
/**
|
|
* Begins the transition from overview to inactive. */
|
|
static enum exposay_layout_state
|
|
exposay_transition_inactive(struct desktop_shell *shell, int switch_focus)
|
|
{
|
|
struct exposay_surface *esurface;
|
|
|
|
/* Call activate() before we start the animations to avoid
|
|
* animating back the old state and then immediately transitioning
|
|
* to the new. */
|
|
if (switch_focus && shell->exposay.focus_current)
|
|
activate(shell, shell->exposay.focus_current,
|
|
shell->exposay.seat,
|
|
WESTON_ACTIVATE_FLAG_CONFIGURE);
|
|
else if (shell->exposay.focus_prev)
|
|
activate(shell, shell->exposay.focus_prev,
|
|
shell->exposay.seat,
|
|
WESTON_ACTIVATE_FLAG_CONFIGURE);
|
|
|
|
wl_list_for_each(esurface, &shell->exposay.surface_list, link)
|
|
exposay_animate_out(esurface);
|
|
weston_compositor_schedule_repaint(shell->compositor);
|
|
|
|
return EXPOSAY_LAYOUT_ANIMATE_TO_INACTIVE;
|
|
}
|
|
|
|
static enum exposay_layout_state
|
|
exposay_transition_active(struct desktop_shell *shell)
|
|
{
|
|
struct weston_seat *seat = shell->exposay.seat;
|
|
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
|
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
|
struct shell_output *shell_output;
|
|
bool animate = false;
|
|
|
|
shell->exposay.workspace = get_current_workspace(shell);
|
|
shell->exposay.focus_prev = get_default_view(keyboard->focus);
|
|
shell->exposay.focus_current = get_default_view(keyboard->focus);
|
|
shell->exposay.clicked = NULL;
|
|
wl_list_init(&shell->exposay.surface_list);
|
|
|
|
lower_fullscreen_layer(shell, NULL);
|
|
shell->exposay.grab_kbd.interface = &exposay_kbd_grab;
|
|
weston_keyboard_start_grab(keyboard,
|
|
&shell->exposay.grab_kbd);
|
|
weston_keyboard_set_focus(keyboard, NULL);
|
|
|
|
shell->exposay.grab_ptr.interface = &exposay_ptr_grab;
|
|
if (pointer) {
|
|
weston_pointer_start_grab(pointer,
|
|
&shell->exposay.grab_ptr);
|
|
weston_pointer_clear_focus(pointer);
|
|
}
|
|
wl_list_for_each(shell_output, &shell->output_list, link) {
|
|
enum exposay_layout_state state;
|
|
|
|
state = exposay_layout(shell, shell_output);
|
|
|
|
if (state == EXPOSAY_LAYOUT_ANIMATE_TO_OVERVIEW)
|
|
animate = true;
|
|
}
|
|
|
|
return animate ? EXPOSAY_LAYOUT_ANIMATE_TO_OVERVIEW
|
|
: EXPOSAY_LAYOUT_OVERVIEW;
|
|
}
|
|
|
|
static void
|
|
exposay_check_state(struct desktop_shell *shell)
|
|
{
|
|
enum exposay_layout_state state_new = shell->exposay.state_cur;
|
|
int do_switch = 0;
|
|
|
|
/* Don't do anything whilst animations are running, just store up
|
|
* target state changes and only act on them when the animations have
|
|
* completed. */
|
|
if (exposay_is_animating(shell))
|
|
return;
|
|
|
|
switch (shell->exposay.state_target) {
|
|
case EXPOSAY_TARGET_OVERVIEW:
|
|
switch (shell->exposay.state_cur) {
|
|
case EXPOSAY_LAYOUT_OVERVIEW:
|
|
goto out;
|
|
case EXPOSAY_LAYOUT_ANIMATE_TO_OVERVIEW:
|
|
state_new = EXPOSAY_LAYOUT_OVERVIEW;
|
|
break;
|
|
default:
|
|
state_new = exposay_transition_active(shell);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case EXPOSAY_TARGET_SWITCH:
|
|
do_switch = 1; /* fallthrough */
|
|
case EXPOSAY_TARGET_CANCEL:
|
|
switch (shell->exposay.state_cur) {
|
|
case EXPOSAY_LAYOUT_INACTIVE:
|
|
goto out;
|
|
case EXPOSAY_LAYOUT_ANIMATE_TO_INACTIVE:
|
|
state_new = exposay_set_inactive(shell);
|
|
break;
|
|
default:
|
|
state_new = exposay_transition_inactive(shell, do_switch);
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
out:
|
|
shell->exposay.state_cur = state_new;
|
|
}
|
|
|
|
static void
|
|
exposay_set_state(struct desktop_shell *shell, enum exposay_target_state state,
|
|
struct weston_seat *seat)
|
|
{
|
|
shell->exposay.state_target = state;
|
|
shell->exposay.seat = seat;
|
|
exposay_check_state(shell);
|
|
}
|
|
|
|
void
|
|
exposay_binding(struct weston_keyboard *keyboard, enum weston_keyboard_modifier modifier,
|
|
void *data)
|
|
{
|
|
struct desktop_shell *shell = data;
|
|
|
|
exposay_set_state(shell, EXPOSAY_TARGET_OVERVIEW, keyboard->seat);
|
|
}
|