mainnika
/
weston
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

shell: Animate workspace changes

Browse Source 
Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
Jonas Ådahl 13 years ago committed by Kristian Høgsberg
parent e3cddce5a6
commit 62fcd0417e
1 changed files with 241 additions and 4 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 241
      src/shell.c

241
src/shell.c
Unescape View File

@ -39,6 +39,7 @@
#include "log.h"
#define DEFAULT_NUM_WORKSPACES 1
#define DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH 200
enum animation_type {
ANIMATION_NONE,
@ -88,6 +89,13 @@ struct desktop_shell {
struct wl_array array;
unsigned int current;
unsigned int num;
struct weston_animation animation;
int anim_dir;
uint32_t anim_timestamp;
double anim_current;
struct workspace *anim_from;
struct workspace *anim_to;
} workspaces;
struct {
@ -166,6 +174,8 @@ struct shell_surface {
struct ping_timer *ping_timer;
struct weston_transform workspace_transform;
struct weston_output *fullscreen_output;
struct weston_output *output;
struct wl_list link;
@ -337,6 +347,12 @@ workspace_create(void)
return ws;
}
static int
workspace_is_empty(struct workspace *ws)
{
return wl_list_empty(&ws->layer.surface_list);
}
static struct workspace *
get_workspace(struct desktop_shell *shell, unsigned int index)
{
@ -362,6 +378,209 @@ activate_workspace(struct desktop_shell *shell, unsigned int index)
shell->workspaces.current = index;
}
static unsigned int
get_output_height(struct weston_output *output)
{
return abs(output->region.extents.y1 - output->region.extents.y2);
}
static void
surface_translate(struct weston_surface *surface, double d)
{
struct shell_surface *shsurf = get_shell_surface(surface);
struct weston_transform *transform;
transform = &shsurf->workspace_transform;
if (wl_list_empty(&transform->link))
wl_list_insert(surface->geometry.transformation_list.prev,
&shsurf->workspace_transform.link);
weston_matrix_init(&shsurf->workspace_transform.matrix);
weston_matrix_translate(&shsurf->workspace_transform.matrix,
0.0, d, 0.0);
surface->geometry.dirty = 1;
}
static void
workspace_translate_out(struct workspace *ws, double fraction)
{
struct weston_surface *surface;
unsigned int height;
double d;
wl_list_for_each(surface, &ws->layer.surface_list, layer_link) {
height = get_output_height(surface->output);
d = height * fraction;
surface_translate(surface, d);
}
}
static void
workspace_translate_in(struct workspace *ws, double fraction)
{
struct weston_surface *surface;
unsigned int height;
double d;
wl_list_for_each(surface, &ws->layer.surface_list, layer_link) {
height = get_output_height(surface->output);
if (fraction > 0)
d = -(height - height * fraction);
else
d = height + height * fraction;
surface_translate(surface, d);
}
}
static void
workspace_damage_all_surfaces(struct workspace *ws)
{
struct weston_surface *surface;
wl_list_for_each(surface, &ws->layer.surface_list, layer_link)
weston_surface_damage(surface);
}
static void
reverse_workspace_change_animation(struct desktop_shell *shell,
unsigned int index,
struct workspace *from,
struct workspace *to)
{
shell->workspaces.current = index;
shell->workspaces.anim_to = to;
shell->workspaces.anim_from = from;
shell->workspaces.anim_dir = -1 * shell->workspaces.anim_dir;
shell->workspaces.anim_timestamp = 0;
workspace_damage_all_surfaces(from);
workspace_damage_all_surfaces(to);
}
static void
workspace_deactivate_transforms(struct workspace *ws)
{
struct weston_surface *surface;
struct shell_surface *shsurf;
wl_list_for_each(surface, &ws->layer.surface_list, layer_link) {
shsurf = get_shell_surface(surface);
wl_list_remove(&shsurf->workspace_transform.link);
wl_list_init(&shsurf->workspace_transform.link);
shsurf->surface->geometry.dirty = 1;
}
}
static void
finish_workspace_change_animation(struct desktop_shell *shell,
struct workspace *from,
struct workspace *to)
{
workspace_damage_all_surfaces(from);
workspace_damage_all_surfaces(to);
wl_list_remove(&shell->workspaces.animation.link);
workspace_deactivate_transforms(from);
workspace_deactivate_transforms(to);
shell->workspaces.anim_to = NULL;
wl_list_remove(&shell->workspaces.anim_from->layer.link);
}
static void
animate_workspace_change_frame(struct weston_animation *animation,
struct weston_output *output, uint32_t msecs)
{
struct desktop_shell *shell =
container_of(animation, struct desktop_shell,
workspaces.animation);
struct workspace *from = shell->workspaces.anim_from;
struct workspace *to = shell->workspaces.anim_to;
uint32_t t;
double x, y;
if (workspace_is_empty(from) && workspace_is_empty(to)) {
finish_workspace_change_animation(shell, from, to);
return;
}
if (shell->workspaces.anim_timestamp == 0) {
if (shell->workspaces.anim_current == 0.0)
shell->workspaces.anim_timestamp = msecs;
else
shell->workspaces.anim_timestamp =
msecs -
/* Invers of movement function 'y' below. */
(asin(1.0 - shell->workspaces.anim_current) *
DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH *
M_2_PI);
}
t = msecs - shell->workspaces.anim_timestamp;
/*
* x = [0, π/2]
* y(x) = sin(x)
*/
x = t * (1.0/DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH) * M_PI_2;
y = sin(x);
if (t < DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH) {
workspace_damage_all_surfaces(from);
workspace_damage_all_surfaces(to);
workspace_translate_out(from, shell->workspaces.anim_dir * y);
workspace_translate_in(to, shell->workspaces.anim_dir * y);
shell->workspaces.anim_current = y;
workspace_damage_all_surfaces(from);
workspace_damage_all_surfaces(to);
}
else {
finish_workspace_change_animation(shell, from, to);
}
}
static void
animate_workspace_change(struct desktop_shell *shell,
unsigned int index,
struct workspace *from,
struct workspace *to)
{
struct weston_output *output;
int dir;
if (index > shell->workspaces.current)
dir = -1;
else
dir = 1;
shell->workspaces.current = index;
shell->workspaces.anim_dir = dir;
shell->workspaces.anim_from = from;
shell->workspaces.anim_to = to;
shell->workspaces.anim_current = 0.0;
shell->workspaces.anim_timestamp = 0;
output = container_of(shell->compositor->output_list.next,
struct weston_output, link);
wl_list_insert(&output->animation_list,
&shell->workspaces.animation.link);
wl_list_insert(&from->layer.link, &to->layer.link);
workspace_translate_in(to, 0);
workspace_damage_all_surfaces(from);
workspace_damage_all_surfaces(to);
}
static void
change_workspace(struct desktop_shell *shell, unsigned int index)
{
@ -384,11 +603,24 @@ change_workspace(struct desktop_shell *shell, unsigned int index)
from = get_current_workspace(shell);
to = get_workspace(shell, index);
if (shell->workspaces.anim_from == to &&
shell->workspaces.anim_to == from) {
reverse_workspace_change_animation(shell, index, from, to);
return;
}
if (shell->workspaces.anim_to != NULL)
finish_workspace_change_animation(shell,
shell->workspaces.anim_from,
shell->workspaces.anim_to);
if (workspace_is_empty(to) && workspace_is_empty(from)) {
shell->workspaces.current = index;
wl_list_insert(&from->layer.link, &to->layer.link);
wl_list_remove(&from->layer.link);
weston_compositor_damage_all(shell->compositor);
}
else
animate_workspace_change(shell, index, from, to);
}
static void
@ -1440,6 +1672,8 @@ create_shell_surface(void *shell, struct weston_surface *surface,
wl_list_init(&shsurf->rotation.transform.link);
weston_matrix_init(&shsurf->rotation.rotation);
wl_list_init(&shsurf->workspace_transform.link);
shsurf->type = SHELL_SURFACE_NONE;
shsurf->next_type = SHELL_SURFACE_NONE;
@ -2927,6 +3161,9 @@ shell_init(struct weston_compositor *ec)
}
activate_workspace(shell, 0);
wl_list_init(&shell->workspaces.animation.link);
shell->workspaces.animation.frame = animate_workspace_change_frame;
if (wl_display_add_global(ec->wl_display, &wl_shell_interface,
shell, bind_shell) == NULL)
return -1;

Write Preview
Loading…
Cancel
Save