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Add a desktop_shell interface

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Mostly a toy-thing for now, to allow prototyping a desktop-shell client.
This commit is contained in:
Kristian Høgsberg 2011-09-06 13:48:16 -04:00
parent f59da399d8
commit 7584062153
5 changed files with 169 additions and 6 deletions
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8
compositor/Makefile.am
View file

@ -75,7 +75,9 @@ desktop_shell_la_LIBADD = $(COMPOSITOR_LIBS)
desktop_shell_la_CFLAGS = $(GCC_CFLAGS)
desktop_shell_la_SOURCES = \
shell.c \
switcher.c
switcher.c \
desktop-shell-protocol.c \
desktop-shell-server-protocol.h
endif
if ENABLE_MEEGO_TABLET_SHELL
@ -96,7 +98,9 @@ BUILT_SOURCES = \
meego-tablet-protocol.c \
meego-tablet-server-protocol.h \
xserver-protocol.c \
xserver-server-protocol.h
xserver-server-protocol.h \
desktop-shell-protocol.c \
desktop-shell-server-protocol.h
CLEANFILES = $(BUILT_SOURCES)

3
compositor/compositor.c
View file

@ -1391,7 +1391,8 @@ notify_button(struct wl_input_device *device,
wlsc_compositor_idle_release(compositor);
if (state && surface && device->grab == NULL) {
wlsc_surface_activate(surface, wd, time);
compositor->shell->activate(compositor->shell,
surface, wd, time);
wl_input_device_start_grab(device,
&device->motion_grab,
button, time);

3
compositor/compositor.h
View file

@ -153,6 +153,9 @@ struct wlsc_spring {
};
struct wlsc_shell {
void (*activate)(struct wlsc_shell *shell,
struct wlsc_surface *es,
struct wlsc_input_device *device, uint32_t time);
void (*lock)(struct wlsc_shell *shell);
void (*attach)(struct wlsc_shell *shell, struct wlsc_surface *surface);
void (*set_selection_focus)(struct wlsc_shell *shell,

137
compositor/shell.c
View file

@ -21,15 +21,22 @@
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <linux/input.h>
#include "wayland-server.h"
#include "compositor.h"
#include "desktop-shell-server-protocol.h"
struct wl_shell {
struct wlsc_compositor *compositor;
struct wlsc_shell shell;
struct wlsc_surface *panel;
struct wl_listener panel_listener;
struct wlsc_surface *background;
struct wl_listener background_listener;
};
struct wlsc_move_grab {
@ -733,7 +740,7 @@ shell_create_selection(struct wl_client *client,
wl_client_add_resource(client, &selection->resource);
}
const static struct wl_shell_interface shell_interface = {
static const struct wl_shell_interface shell_interface = {
shell_move,
shell_resize,
shell_create_drag,
@ -743,15 +750,93 @@ const static struct wl_shell_interface shell_interface = {
shell_set_fullscreen
};
static void
handle_background_surface_destroy(struct wl_listener *listener,
struct wl_resource *resource, uint32_t time)
{
struct wl_shell *shell =
container_of(listener, struct wl_shell, background_listener);
fprintf(stderr, "background surface gone\n");
shell->background = NULL;
}
static void
desktop_shell_set_background(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct wl_shell *shell = resource->data;
struct wlsc_surface *surface = surface_resource->data;
struct wlsc_output *output =
container_of(shell->compositor->output_list.next,
struct wlsc_output, link);
shell->background = surface_resource->data;
shell->background_listener.func = handle_background_surface_destroy;
wl_list_insert(&surface_resource->destroy_listener_list,
&shell->background_listener.link);
wl_resource_post_event(resource,
DESKTOP_SHELL_CONFIGURE,
wlsc_compositor_get_time(), 0, surface,
output->current->width,
output->current->height);
}
static void
handle_panel_surface_destroy(struct wl_listener *listener,
struct wl_resource *resource, uint32_t time)
{
struct wl_shell *shell =
container_of(listener, struct wl_shell, panel_listener);
fprintf(stderr, "panel surface gone\n");
shell->panel = NULL;
}
static void
desktop_shell_set_panel(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct wl_shell *shell = resource->data;
struct wlsc_output *output =
container_of(shell->compositor->output_list.next,
struct wlsc_output, link);
shell->panel = surface_resource->data;
shell->panel_listener.func = handle_panel_surface_destroy;
wl_list_insert(&surface_resource->destroy_listener_list,
&shell->panel_listener.link);
wl_resource_post_event(resource,
DESKTOP_SHELL_CONFIGURE,
wlsc_compositor_get_time(), 0, surface_resource,
output->current->width,
output->current->height);
}
static const struct desktop_shell_interface desktop_shell_implementation = {
desktop_shell_set_background,
desktop_shell_set_panel
};
static void
move_binding(struct wl_input_device *device, uint32_t time,
uint32_t key, uint32_t button, uint32_t state, void *data)
{
struct wl_shell *shell = data;
struct wlsc_surface *surface =
(struct wlsc_surface *) device->pointer_focus;
if (surface == NULL)
return;
if (surface == shell->panel)
return;
if (surface == shell->background)
return;
wlsc_surface_move(surface, (struct wlsc_input_device *) device, time);
}
@ -760,6 +845,7 @@ static void
resize_binding(struct wl_input_device *device, uint32_t time,
uint32_t key, uint32_t button, uint32_t state, void *data)
{
struct wl_shell *shell = data;
struct wlsc_surface *surface =
(struct wlsc_surface *) device->pointer_focus;
struct wl_resource *resource;
@ -768,6 +854,10 @@ resize_binding(struct wl_input_device *device, uint32_t time,
if (surface == NULL)
return;
if (surface == shell->panel)
return;
if (surface == shell->background)
return;
x = device->grab_x - surface->x;
y = device->grab_y - surface->y;
@ -794,15 +884,39 @@ resize_binding(struct wl_input_device *device, uint32_t time,
time, edges, resource);
}
static void
activate(struct wlsc_shell *base, struct wlsc_surface *es,
struct wlsc_input_device *device, uint32_t time)
{
struct wl_shell *shell = container_of(base, struct wl_shell, shell);
struct wlsc_compositor *compositor = shell->compositor;
wlsc_surface_activate(es, device, time);
if (es == shell->background) {
wl_list_remove(&es->link);
wl_list_insert(compositor->surface_list.prev, &es->link);
} else if (shell->panel) {
wl_list_remove(&shell->panel->link);
wl_list_insert(&compositor->surface_list, &shell->panel->link);
}
}
static void
lock(struct wlsc_shell *shell)
{
}
static void
attach(struct wlsc_shell *shell, struct wlsc_surface *es)
attach(struct wlsc_shell *base, struct wlsc_surface *es)
{
if (es->map_type == WLSC_SURFACE_MAP_FULLSCREEN) {
struct wl_shell *shell = container_of(base, struct wl_shell, shell);
struct wlsc_compositor *compositor = shell->compositor;
if (es == shell->background) {
wl_list_remove(&es->link);
wl_list_insert(compositor->surface_list.prev, &es->link);
} else if (es->map_type == WLSC_SURFACE_MAP_FULLSCREEN) {
es->x = (es->fullscreen_output->current->width - es->width) / 2;
es->y = (es->fullscreen_output->current->height - es->height) / 2;
}
@ -817,6 +931,16 @@ bind_shell(struct wl_client *client, void *data, uint32_t version, uint32_t id)
&shell_interface, id, shell);
}
static void
bind_desktop_shell(struct wl_client *client,
void *data, uint32_t version, uint32_t id)
{
struct wl_shell *shell = data;
wl_client_add_object(client, &desktop_shell_interface,
&desktop_shell_implementation, id, shell);
}
int
shell_init(struct wlsc_compositor *ec);
@ -829,6 +953,8 @@ shell_init(struct wlsc_compositor *ec)
if (shell == NULL)
return -1;
shell->compositor = ec;
shell->shell.activate = activate;
shell->shell.lock = lock;
shell->shell.attach = attach;
shell->shell.set_selection_focus = wlsc_selection_set_focus;
@ -837,6 +963,11 @@ shell_init(struct wlsc_compositor *ec)
shell, bind_shell) == NULL)
return -1;
if (wl_display_add_global(ec->wl_display,
&desktop_shell_interface,
shell, bind_desktop_shell) == NULL)
return -1;
wlsc_compositor_add_binding(ec, 0, BTN_LEFT, MODIFIER_SUPER,
move_binding, shell);
wlsc_compositor_add_binding(ec, 0, BTN_MIDDLE, MODIFIER_SUPER,

24
protocol/desktop-shell.xml Normal file
View file

@ -0,0 +1,24 @@
<protocol name="desktop">
<interface name="desktop_shell" version="1">
<request name="set_background">
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<request name="set_panel">
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<!-- We'll fold most of wl_shell into this interface and then
they'll share the configure event. -->
<event name="configure">
<arg name="time" type="uint"/>
<arg name="edges" type="uint"/>
<arg name="surface" type="object" interface="wl_surface"/>
<arg name="width" type="int"/>
<arg name="height" type="int"/>
</event>
</interface>
</protocol>