2012-06-18 04:10:59 +04:00
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/*
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* Copyright © 2012 Scott Moreau
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*
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2015-06-12 01:35:43 +03:00
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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2012-06-18 04:10:59 +04:00
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*
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2015-06-12 01:35:43 +03:00
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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2012-06-18 04:10:59 +04:00
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*/
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2013-05-22 19:03:19 +04:00
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#include "config.h"
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2015-07-23 22:55:13 +03:00
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#include <assert.h>
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2016-07-19 14:16:27 +03:00
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#include <stdint.h>
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2012-06-26 01:13:58 +04:00
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#include <stdlib.h>
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2015-07-23 22:55:12 +03:00
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#include <stdbool.h>
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2012-06-26 01:13:58 +04:00
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2019-03-28 17:28:47 +03:00
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#include <libweston/libweston.h>
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2019-07-10 20:56:04 +03:00
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#include "libweston-internal.h"
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2012-06-26 01:13:58 +04:00
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#include "text-cursor-position-server-protocol.h"
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2015-06-16 01:37:10 +03:00
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#include "shared/helpers.h"
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2012-06-26 01:13:58 +04:00
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2012-06-18 04:10:59 +04:00
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static void
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weston_zoom_frame_z(struct weston_animation *animation,
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2017-11-16 19:20:52 +03:00
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struct weston_output *output,
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const struct timespec *time)
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2012-06-18 04:10:59 +04:00
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{
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if (animation->frame_counter <= 1)
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2017-11-16 19:20:52 +03:00
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output->zoom.spring_z.timestamp = *time;
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2012-06-18 04:10:59 +04:00
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2017-11-16 19:20:52 +03:00
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weston_spring_update(&output->zoom.spring_z, time);
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2012-06-18 04:10:59 +04:00
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if (output->zoom.spring_z.current > output->zoom.max_level)
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output->zoom.spring_z.current = output->zoom.max_level;
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else if (output->zoom.spring_z.current < 0.0)
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output->zoom.spring_z.current = 0.0;
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if (weston_spring_done(&output->zoom.spring_z)) {
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2012-11-16 13:48:47 +04:00
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if (output->zoom.active && output->zoom.level <= 0.0) {
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2015-07-23 22:55:12 +03:00
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output->zoom.active = false;
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2015-07-23 22:55:15 +03:00
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output->zoom.seat = NULL;
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2012-08-03 23:45:23 +04:00
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output->disable_planes--;
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2013-11-15 02:42:51 +04:00
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wl_list_remove(&output->zoom.motion_listener.link);
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2012-08-03 23:45:23 +04:00
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}
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2012-06-18 04:10:59 +04:00
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output->zoom.spring_z.current = output->zoom.level;
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wl_list_remove(&animation->link);
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wl_list_init(&animation->link);
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}
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output->dirty = 1;
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weston_output_damage(output);
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}
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static void
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2015-07-23 22:55:14 +03:00
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zoom_area_center_from_point(struct weston_output *output,
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2015-10-07 20:14:18 +03:00
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double *x, double *y)
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2012-06-18 04:10:59 +04:00
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{
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float level = output->zoom.spring_z.current;
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2015-10-08 19:13:01 +03:00
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*x = (*x - output->x) * level + output->width / 2.;
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*y = (*y - output->y) * level + output->height / 2.;
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2012-06-18 04:10:59 +04:00
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}
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static void
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weston_output_update_zoom_transform(struct weston_output *output)
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{
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2015-10-07 20:14:18 +03:00
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double x = output->zoom.current.x; /* global pointer coords */
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double y = output->zoom.current.y;
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2014-05-21 07:45:02 +04:00
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float level;
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2012-06-18 04:10:59 +04:00
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level = output->zoom.spring_z.current;
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2012-11-21 17:11:36 +04:00
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if (!output->zoom.active || level > output->zoom.max_level ||
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level == 0.0f)
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2012-06-18 04:10:59 +04:00
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return;
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2015-07-23 22:55:14 +03:00
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zoom_area_center_from_point(output, &x, &y);
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2012-06-18 04:10:59 +04:00
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2015-10-08 19:13:01 +03:00
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output->zoom.trans_x = x - output->width / 2;
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output->zoom.trans_y = y - output->height / 2;
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2014-05-21 07:45:02 +04:00
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if (output->zoom.trans_x < 0)
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output->zoom.trans_x = 0;
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if (output->zoom.trans_y < 0)
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output->zoom.trans_y = 0;
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if (output->zoom.trans_x > level * output->width)
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output->zoom.trans_x = level * output->width;
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if (output->zoom.trans_y > level * output->height)
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output->zoom.trans_y = level * output->height;
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2012-06-18 04:10:59 +04:00
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}
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static void
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2015-03-10 13:05:44 +03:00
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weston_zoom_transition(struct weston_output *output)
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2012-06-18 04:10:59 +04:00
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{
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if (output->zoom.level != output->zoom.spring_z.current) {
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output->zoom.spring_z.target = output->zoom.level;
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if (wl_list_empty(&output->zoom.animation_z.link)) {
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output->zoom.animation_z.frame_counter = 0;
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wl_list_insert(output->animation_list.prev,
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&output->zoom.animation_z.link);
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}
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}
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output->dirty = 1;
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weston_output_damage(output);
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}
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WL_EXPORT void
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Split the geometry information from weston_surface out into weston_view
The weston_surface structure is split into two structures:
* The weston_surface structure storres everything required for a
client-side or server-side surface. This includes buffers; callbacks;
backend private data; input, damage, and opaque regions; and a few other
bookkeeping bits.
* The weston_view structure represents an entity in the scenegraph and
storres all of the geometry information. This includes clip region,
alpha, position, and the transformation list as well as all of the
temporary information derived from the geometry state. Because a view,
and not a surface, is a scenegraph element, the view is what is placed
in layers and planes.
There are a few things worth noting about the surface/view split:
1. This is *not* a modification to the protocol. It is, instead, a
modification to Weston's internal scenegraph to allow a single surface
to exist in multiple places at a time. Clients are completely unaware
of how many views to a particular surface exist.
2. A view is considered a direct child of a surface and is destroyed when
the surface is destroyed. Because of this, the view.surface pointer is
always valid and non-null.
3. The compositor's surface_list is replaced with a view_list. Due to
subsurfaces, building the view list is a little more complicated than
it used to be and involves building a tree of views on the fly whenever
subsurfaces are used. However, this means that backends can remain
completely subsurface-agnostic.
4. Surfaces and views both keep track of which outputs they are on.
5. The weston_surface structure now has width and height fields. These
are populated when a new buffer is attached before surface.configure
is called. This is because there are many surface-based operations
that really require the width and height and digging through the views
didn't work well.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
2013-10-13 07:38:11 +04:00
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weston_output_update_zoom(struct weston_output *output)
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2012-06-18 04:10:59 +04:00
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{
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2015-07-23 22:55:15 +03:00
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struct weston_seat *seat = output->zoom.seat;
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2015-08-01 00:55:32 +03:00
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struct weston_pointer *pointer = weston_seat_get_pointer(seat);
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2012-06-18 04:10:59 +04:00
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2018-02-08 16:37:53 +03:00
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if (!pointer)
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return;
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2015-07-23 22:55:13 +03:00
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assert(output->zoom.active);
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2015-10-07 20:14:18 +03:00
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output->zoom.current.x = wl_fixed_to_double(pointer->x);
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output->zoom.current.y = wl_fixed_to_double(pointer->y);
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2012-06-18 04:10:59 +04:00
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2015-03-10 13:05:44 +03:00
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weston_zoom_transition(output);
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2012-06-18 04:10:59 +04:00
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weston_output_update_zoom_transform(output);
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}
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2013-11-15 02:42:51 +04:00
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static void
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motion(struct wl_listener *listener, void *data)
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{
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struct weston_output_zoom *zoom =
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container_of(listener, struct weston_output_zoom, motion_listener);
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struct weston_output *output =
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container_of(zoom, struct weston_output, zoom);
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weston_output_update_zoom(output);
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}
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WL_EXPORT void
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2015-07-23 22:55:15 +03:00
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weston_output_activate_zoom(struct weston_output *output,
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struct weston_seat *seat)
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2013-11-15 02:42:51 +04:00
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{
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2015-08-01 00:55:32 +03:00
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struct weston_pointer *pointer = weston_seat_get_pointer(seat);
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2018-02-08 16:37:53 +03:00
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if (!pointer || output->zoom.active)
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2013-11-15 02:42:51 +04:00
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return;
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2015-07-23 22:55:12 +03:00
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output->zoom.active = true;
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2015-07-23 22:55:15 +03:00
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output->zoom.seat = seat;
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2013-11-15 02:42:51 +04:00
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output->disable_planes++;
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2015-08-01 00:55:32 +03:00
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wl_signal_add(&pointer->motion_signal,
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2013-11-15 02:42:51 +04:00
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&output->zoom.motion_listener);
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}
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2012-06-18 04:10:59 +04:00
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WL_EXPORT void
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weston_output_init_zoom(struct weston_output *output)
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{
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2015-07-23 22:55:12 +03:00
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output->zoom.active = false;
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2015-07-23 22:55:15 +03:00
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output->zoom.seat = NULL;
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2012-06-18 04:10:59 +04:00
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output->zoom.increment = 0.07;
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output->zoom.max_level = 0.95;
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output->zoom.level = 0.0;
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output->zoom.trans_x = 0.0;
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output->zoom.trans_y = 0.0;
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weston_spring_init(&output->zoom.spring_z, 250.0, 0.0, 0.0);
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output->zoom.spring_z.friction = 1000;
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output->zoom.animation_z.frame = weston_zoom_frame_z;
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wl_list_init(&output->zoom.animation_z.link);
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2013-11-15 02:42:51 +04:00
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output->zoom.motion_listener.notify = motion;
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2012-06-18 04:10:59 +04:00
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}
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