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shell: Introduce workspace manager interface

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The workspace manager interface purpose is to provide clients with
control and knowledge about the current workspace state. Initially only
one function and one event exists; moving a surface and state updated
event. A workspace is represented as an index in a 1 dimensional array.

A client keeps track of the state by being broadcasted events when the
state changes, currently limited to current workspace or number of
workspaces available.

A client can send an asynchronous request to the manager asking to move
a surface to workspace identified by an index. It is up to the shell to
actually move it.

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
dev
Jonas Ådahl 12 years ago committed by Kristian Høgsberg
parent 8de6a1ddae
commit e9d2250549
4 changed files with 142 additions and 5 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 3
      protocol/Makefile.am
  2. 27
      protocol/workspaces.xml
  3. 4
      src/Makefile.am
  4. 111
      src/shell.c

3
protocol/Makefile.am
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@ -3,4 +3,5 @@ EXTRA_DIST = \
screenshooter.xml \
tablet-shell.xml \
xserver.xml \
text.xml
text.xml \
workspaces.xml

27
protocol/workspaces.xml
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@ -0,0 +1,27 @@
<protocol name="workspaces">
<interface name="workspace_manager" version="1">
<description summary="workspaces manager">
An interface for managing surfaces in workspaces.
</description>
<request name="move_surface">
<description summary="move surface to workspace">
Move the given surface to the specified workspace.
</description>
<arg name="surface" type="object" interface="wl_surface"/>
<arg name="workspace" type="uint"/>
</request>
<event name="state">
<description summary="workspace state">
The current workspace state, such as current workspace and workspace
count, has changed.
</description>
<arg name="current" type="uint"/>
<arg name="count" type="uint"/>
</event>
</interface>
</protocol>

4
src/Makefile.am
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@ -28,6 +28,8 @@ weston_SOURCES = \
text-backend.c \
text-protocol.c \
text-server-protocol.h \
workspaces-protocol.c \
workspaces-server-protocol.h \
util.c \
matrix.c \
matrix.h \
@ -173,6 +175,8 @@ BUILT_SOURCES = \
desktop-shell-server-protocol.h \
text-protocol.c \
text-server-protocol.h \
workspaces-server-protocol.h \
workspaces-protocol.c \
git-version.h
CLEANFILES = $(BUILT_SOURCES)

111
src/shell.c
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@ -35,6 +35,7 @@
#include <wayland-server.h>
#include "compositor.h"
#include "desktop-shell-server-protocol.h"
#include "workspaces-server-protocol.h"
#include "../shared/config-parser.h"
#define DEFAULT_NUM_WORKSPACES 1
@ -108,6 +109,8 @@ struct desktop_shell {
unsigned int current;
unsigned int num;
struct wl_list client_list;
struct weston_animation animation;
struct wl_list anim_sticky_list;
int anim_dir;
@ -607,6 +610,17 @@ workspace_translate_in(struct workspace *ws, double fraction)
}
}
static void
broadcast_current_workspace_state(struct desktop_shell *shell)
{
struct wl_resource *resource;
wl_list_for_each(resource, &shell->workspaces.client_list, link)
workspace_manager_send_state(resource,
shell->workspaces.current,
shell->workspaces.num);
}
static void
reverse_workspace_change_animation(struct desktop_shell *shell,
unsigned int index,
@ -771,6 +785,7 @@ change_workspace(struct desktop_shell *shell, unsigned int index)
shell->workspaces.anim_to == from) {
restore_focus_state(shell, to);
reverse_workspace_change_animation(shell, index, from, to);
broadcast_current_workspace_state(shell);
return;
}
@ -785,6 +800,8 @@ change_workspace(struct desktop_shell *shell, unsigned int index)
update_workspace(shell, index, from, to);
else
animate_workspace_change(shell, index, from, to);
broadcast_current_workspace_state(shell);
}
static bool
@ -804,13 +821,41 @@ workspace_has_only(struct workspace *ws, struct weston_surface *surface)
return container_of(e, struct weston_surface, layer_link) == surface;
}
static void
move_surface_to_workspace(struct desktop_shell *shell,
struct weston_surface *surface,
uint32_t workspace)
{
struct workspace *from;
struct workspace *to;
struct weston_seat *seat;
if (workspace == shell->workspaces.current)
return;
from = get_current_workspace(shell);
to = get_workspace(shell, workspace);
wl_list_remove(&surface->layer_link);
wl_list_insert(&to->layer.surface_list, &surface->layer_link);
drop_focus_state(shell, from, surface);
wl_list_for_each(seat, &shell->compositor->seat_list, link)
if (seat->has_keyboard &&
seat->keyboard.focus == &surface->surface)
wl_keyboard_set_focus(&seat->keyboard, NULL);
weston_surface_damage_below(surface);
}
static void
take_surface_to_workspace_by_seat(struct desktop_shell *shell,
struct wl_seat *seat,
struct wl_seat *wl_seat,
unsigned int index)
{
struct weston_seat *seat = (struct weston_seat *) wl_seat;
struct weston_surface *surface =
(struct weston_surface *) seat->keyboard->focus;
(struct weston_surface *) wl_seat->keyboard->focus;
struct shell_surface *shsurf;
struct workspace *from;
struct workspace *to;
@ -825,12 +870,17 @@ take_surface_to_workspace_by_seat(struct desktop_shell *shell,
wl_list_remove(&surface->layer_link);
wl_list_insert(&to->layer.surface_list, &surface->layer_link);
replace_focus_state(shell, to, (struct weston_seat *) seat);
replace_focus_state(shell, to, seat);
drop_focus_state(shell, from, surface);
if (shell->workspaces.anim_from == to &&
shell->workspaces.anim_to == from) {
wl_list_remove(&to->layer.link);
wl_list_insert(from->layer.link.prev, &to->layer.link);
reverse_workspace_change_animation(shell, index, from, to);
broadcast_current_workspace_state(shell);
return;
}
@ -850,6 +900,56 @@ take_surface_to_workspace_by_seat(struct desktop_shell *shell,
animate_workspace_change(shell, index, from, to);
}
broadcast_current_workspace_state(shell);
}
static void
workspace_manager_move_surface(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource,
uint32_t workspace)
{
struct desktop_shell *shell = resource->data;
struct weston_surface *surface =
(struct weston_surface *) surface_resource;
move_surface_to_workspace(shell, surface, workspace);
}
static const struct workspace_manager_interface workspace_manager_implementation = {
workspace_manager_move_surface,
};
static void
unbind_resource(struct wl_resource *resource)
{
wl_list_remove(&resource->link);
free(resource);
}
static void
bind_workspace_manager(struct wl_client *client,
void *data, uint32_t version, uint32_t id)
{
struct desktop_shell *shell = data;
struct wl_resource *resource;
resource = wl_client_add_object(client, &workspace_manager_interface,
&workspace_manager_implementation,
id, shell);
if (resource == NULL) {
weston_log("couldn't add workspace manager object");
return;
}
resource->destroy = unbind_resource;
wl_list_insert(&shell->workspaces.client_list, &resource->link);
workspace_manager_send_state(resource,
shell->workspaces.current,
shell->workspaces.num);
}
static void
@ -3618,6 +3718,7 @@ shell_init(struct weston_compositor *ec)
weston_layer_init(&shell->input_panel_layer, NULL);
wl_array_init(&shell->workspaces.array);
wl_list_init(&shell->workspaces.client_list);
shell_configuration(shell);
@ -3653,6 +3754,10 @@ shell_init(struct weston_compositor *ec)
shell, bind_input_panel) == NULL)
return -1;
if (wl_display_add_global(ec->wl_display, &workspace_manager_interface,
shell, bind_workspace_manager) == NULL)
return -1;
shell->child.deathstamp = weston_compositor_get_time();
if (launch_desktop_shell_process(shell) != 0)
return -1;

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