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xwm: net wm state

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This commit is contained in:
Tony Crisci 2017-10-27 13:05:14 -04:00
parent 6a4290b86a
commit be297d9d14
2 changed files with 129 additions and 6 deletions
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17
include/wlr/xwayland.h
View file

@ -74,6 +74,7 @@ struct wlr_xwayland_surface {
struct wlr_surface *surface;
int16_t x, y;
uint16_t width, height;
uint16_t saved_width, saved_height;
bool override_redirect;
bool mapped;
bool added;
@ -106,12 +107,14 @@ struct wlr_xwayland_surface {
struct wl_signal request_configure;
struct wl_signal request_move;
struct wl_signal request_resize;
struct wl_signal request_maximize;
struct wl_signal request_fullscreen;
struct wl_signal map_notify;
struct wl_signal unmap_notify;
struct wl_signal set_title;
struct wl_signal set_class;
struct wl_signal set_parent;
struct wl_signal set_state;
struct wl_signal set_pid;
struct wl_signal set_window_type;
} events;
@ -138,15 +141,25 @@ struct wlr_xwayland_resize_event {
uint32_t edges;
};
void wlr_xwayland_destroy(struct wlr_xwayland *wlr_xwayland);
struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display,
struct wlr_compositor *compositor);
void wlr_xwayland_destroy(struct wlr_xwayland *wlr_xwayland);
void wlr_xwayland_surface_activate(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface, bool activated);
void wlr_xwayland_surface_configure(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface, int16_t x, int16_t y,
uint16_t width, uint16_t height);
void wlr_xwayland_surface_close(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface);
void wlr_xwayland_surface_set_maximized(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface, bool maximized);
void wlr_xwayland_surface_set_fullscreen(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface, bool fullscreen);
#endif

118
xwayland/xwm.c
View file

@ -79,17 +79,17 @@ static struct wlr_xwayland_surface *wlr_xwayland_surface_create(
surface->height = height;
surface->override_redirect = override_redirect;
wl_list_insert(&xwm->surfaces, &surface->link);
surface->state = wlr_list_create();
wl_signal_init(&surface->events.destroy);
wl_signal_init(&surface->events.request_configure);
wl_signal_init(&surface->events.request_move);
wl_signal_init(&surface->events.request_resize);
wl_signal_init(&surface->events.request_maximize);
wl_signal_init(&surface->events.request_fullscreen);
wl_signal_init(&surface->events.map_notify);
wl_signal_init(&surface->events.unmap_notify);
wl_signal_init(&surface->events.set_class);
wl_signal_init(&surface->events.set_title);
wl_signal_init(&surface->events.set_parent);
wl_signal_init(&surface->events.set_state);
wl_signal_init(&surface->events.set_pid);
wl_signal_init(&surface->events.set_window_type);
return surface;
@ -447,6 +447,21 @@ static void read_surface_motif_hints(struct wlr_xwm *xwm,
wlr_log(L_DEBUG, "MOTIF_WM_HINTS (%d)", reply->value_len);
}
static void read_surface_net_wm_state(struct wlr_xwm *xwm,
struct wlr_xwayland_surface *xsurface, xcb_get_property_reply_t *reply) {
xsurface->fullscreen = 0;
xcb_atom_t *atom = xcb_get_property_value(reply);
atom = xcb_get_property_value(reply);
for (uint32_t i = 0; i < reply->value_len; i++) {
if (atom[i] == xwm->atoms[_NET_WM_STATE_FULLSCREEN])
xsurface->fullscreen = true;
if (atom[i] == xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT])
xsurface->maximized_vert = true;
if (atom[i] == xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ])
xsurface->maximized_horz = true;
}
}
static void read_surface_property(struct wlr_xwm *xwm,
struct wlr_xwayland_surface *surface, xcb_atom_t property) {
xcb_get_property_cookie_t cookie = xcb_get_property(xwm->xcb_conn, 0,
@ -471,7 +486,7 @@ static void read_surface_property(struct wlr_xwm *xwm,
} else if (property == xwm->atoms[WM_PROTOCOLS]) {
read_surface_protocols(xwm, surface, reply);
} else if (property == xwm->atoms[NET_WM_STATE]) {
wlr_log(L_DEBUG, "TODO: read _NET_WM_STATE property");
read_surface_net_wm_state(xwm, surface, reply);
} else if (property == xwm->atoms[WM_HINTS]) {
read_surface_hints(xwm, surface, reply);
} else if (property == xwm->atoms[WM_NORMAL_HINTS]) {
@ -762,6 +777,81 @@ static void handle_net_wm_moveresize_message(struct wlr_xwm *xwm,
}
}
#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
static bool update_state(int action, bool *state) {
int new_state, changed;
switch (action) {
case _NET_WM_STATE_REMOVE:
new_state = false;
break;
case _NET_WM_STATE_ADD:
new_state = true;
break;
case _NET_WM_STATE_TOGGLE:
new_state = !*state;
break;
default:
return false;
}
changed = (*state != new_state);
*state = new_state;
return changed;
}
static inline bool xsurface_is_maximized(struct wlr_xwayland_surface *xsurface) {
return xsurface->maximized_horz && xsurface->maximized_vert;
}
static void handle_net_wm_state_message(struct wlr_xwm *xwm,
xcb_client_message_event_t *client_message) {
struct wlr_xwayland_surface *xsurface = lookup_surface(xwm, client_message->window);
if (!xsurface) {
return;
}
int maximized = xsurface_is_maximized(xsurface);
uint32_t action = client_message->data.data32[0];
uint32_t property = client_message->data.data32[1];
if (property == xwm->atoms[_NET_WM_STATE_FULLSCREEN] &&
update_state(action, &xsurface->fullscreen)) {
xsurface_set_net_wm_state(xsurface);
if (xsurface->fullscreen) {
xsurface->saved_width = xsurface->width;
xsurface->saved_height = xsurface->height;
}
wl_signal_emit(&xsurface->events.request_fullscreen, xsurface);
} else {
if (property == xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT] &&
update_state(action, &xsurface->maximized_vert)) {
xsurface_set_net_wm_state(xsurface);
}
if (property == xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ] &&
update_state(action, &xsurface->maximized_horz)) {
xsurface_set_net_wm_state(xsurface);
}
if (maximized != xsurface_is_maximized(xsurface)) {
if (xsurface_is_maximized(xsurface)) {
xsurface->saved_width = xsurface->width;
xsurface->saved_height = xsurface->height;
}
wl_signal_emit(&xsurface->events.request_maximize, xsurface);
}
}
}
static void handle_client_message(struct wlr_xwm *xwm,
xcb_client_message_event_t *ev) {
wlr_log(L_DEBUG, "XCB_CLIENT_MESSAGE (%u)", ev->window);
@ -769,7 +859,7 @@ static void handle_client_message(struct wlr_xwm *xwm,
if (ev->type == xwm->atoms[WL_SURFACE_ID]) {
handle_surface_id_message(xwm, ev);
} else if (ev->type == xwm->atoms[NET_WM_STATE]) {
wlr_log(L_DEBUG, "TODO: handle _NET_WM_STATE client message");
handle_net_wm_state_message(xwm, ev);
} else if (ev->type == xwm->atoms[_NET_WM_MOVERESIZE]) {
handle_net_wm_moveresize_message(xwm, ev);
} else {
@ -1104,6 +1194,9 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
xwm->atoms[NET_WM_STATE],
xwm->atoms[_NET_ACTIVE_WINDOW],
xwm->atoms[_NET_WM_MOVERESIZE],
xwm->atoms[_NET_WM_STATE_FULLSCREEN],
xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ],
xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT],
};
xcb_change_property(xwm->xcb_conn,
XCB_PROP_MODE_REPLACE,
@ -1128,3 +1221,20 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
return xwm;
}
void wlr_xwayland_surface_set_maximized(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface, bool maximized) {
if (xsurface_is_maximized(surface) != maximized) {
surface->maximized_horz = maximized;
surface->maximized_vert = maximized;
xsurface_set_net_wm_state(surface);
}
}
void wlr_xwayland_surface_set_fullscreen(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface, bool fullscreen) {
if (surface->fullscreen != fullscreen) {
surface->fullscreen = fullscreen;
xsurface_set_net_wm_state(surface);
}
}