diff options
Diffstat (limited to 'libweston/zoom.c')
| -rw-r--r-- | libweston/zoom.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/libweston/zoom.c b/libweston/zoom.c deleted file mode 100644 index 064d6a84..00000000 --- a/libweston/zoom.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright © 2012 Scott Moreau - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include "config.h" - -#include <assert.h> -#include <stdint.h> -#include <stdlib.h> -#include <stdbool.h> - -#include <libweston/libweston.h> -#include "backend.h" -#include "libweston-internal.h" -#include "text-cursor-position-server-protocol.h" -#include "shared/helpers.h" - -static void -weston_zoom_frame_z(struct weston_animation *animation, - struct weston_output *output, - const struct timespec *time) -{ - if (animation->frame_counter <= 1) - output->zoom.spring_z.timestamp = *time; - - weston_spring_update(&output->zoom.spring_z, time); - - if (output->zoom.spring_z.current > output->zoom.max_level) - output->zoom.spring_z.current = output->zoom.max_level; - else if (output->zoom.spring_z.current < 0.0) - output->zoom.spring_z.current = 0.0; - - if (weston_spring_done(&output->zoom.spring_z)) { - if (output->zoom.active && output->zoom.level <= 0.0) { - output->zoom.active = false; - output->zoom.seat = NULL; - weston_output_disable_planes_decr(output); - wl_list_remove(&output->zoom.motion_listener.link); - } - output->zoom.spring_z.current = output->zoom.level; - wl_list_remove(&animation->link); - wl_list_init(&animation->link); - } - - output->dirty = 1; - weston_output_damage(output); -} - -static void -zoom_area_center_from_point(struct weston_output *output, - double *x, double *y) -{ - float level = output->zoom.spring_z.current; - - *x = (*x - output->x) * level + output->width / 2.; - *y = (*y - output->y) * level + output->height / 2.; -} - -static void -weston_output_update_zoom_transform(struct weston_output *output) -{ - double x = output->zoom.current.x; /* global pointer coords */ - double y = output->zoom.current.y; - float level; - - level = output->zoom.spring_z.current; - - if (!output->zoom.active || level > output->zoom.max_level || - level == 0.0f) - return; - - zoom_area_center_from_point(output, &x, &y); - - output->zoom.trans_x = x - output->width / 2; - output->zoom.trans_y = y - output->height / 2; - - if (output->zoom.trans_x < 0) - output->zoom.trans_x = 0; - if (output->zoom.trans_y < 0) - output->zoom.trans_y = 0; - if (output->zoom.trans_x > level * output->width) - output->zoom.trans_x = level * output->width; - if (output->zoom.trans_y > level * output->height) - output->zoom.trans_y = level * output->height; -} - -static void -weston_zoom_transition(struct weston_output *output) -{ - if (output->zoom.level != output->zoom.spring_z.current) { - output->zoom.spring_z.target = output->zoom.level; - if (wl_list_empty(&output->zoom.animation_z.link)) { - output->zoom.animation_z.frame_counter = 0; - wl_list_insert(output->animation_list.prev, - &output->zoom.animation_z.link); - } - } - - output->dirty = 1; - weston_output_damage(output); -} - -WL_EXPORT void -weston_output_update_zoom(struct weston_output *output) -{ - struct weston_seat *seat = output->zoom.seat; - struct weston_pointer *pointer = weston_seat_get_pointer(seat); - - if (!pointer) - return; - - assert(output->zoom.active); - - output->zoom.current.x = wl_fixed_to_double(pointer->x); - output->zoom.current.y = wl_fixed_to_double(pointer->y); - - weston_zoom_transition(output); - weston_output_update_zoom_transform(output); -} - -static void -motion(struct wl_listener *listener, void *data) -{ - struct weston_output_zoom *zoom = - container_of(listener, struct weston_output_zoom, motion_listener); - struct weston_output *output = - container_of(zoom, struct weston_output, zoom); - - weston_output_update_zoom(output); -} - -WL_EXPORT void -weston_output_activate_zoom(struct weston_output *output, - struct weston_seat *seat) -{ - struct weston_pointer *pointer = weston_seat_get_pointer(seat); - - if (!pointer || output->zoom.active) - return; - - output->zoom.active = true; - output->zoom.seat = seat; - weston_output_disable_planes_incr(output); - wl_signal_add(&pointer->motion_signal, - &output->zoom.motion_listener); -} - -WL_EXPORT void -weston_output_init_zoom(struct weston_output *output) -{ - output->zoom.active = false; - output->zoom.seat = NULL; - output->zoom.increment = 0.07; - output->zoom.max_level = 0.95; - output->zoom.level = 0.0; - output->zoom.trans_x = 0.0; - output->zoom.trans_y = 0.0; - weston_spring_init(&output->zoom.spring_z, 250.0, 0.0, 0.0); - output->zoom.spring_z.friction = 1000; - output->zoom.animation_z.frame = weston_zoom_frame_z; - wl_list_init(&output->zoom.animation_z.link); - output->zoom.motion_listener.notify = motion; -} |