From be297d9d144739e39e9264bc91fa95990873ced0 Mon Sep 17 00:00:00 2001 From: Tony Crisci Date: Fri, 27 Oct 2017 13:05:14 -0400 Subject: xwm: net wm state --- xwayland/xwm.c | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 114 insertions(+), 4 deletions(-) (limited to 'xwayland') diff --git a/xwayland/xwm.c b/xwayland/xwm.c index 2caae3a7..5ba91370 100644 --- a/xwayland/xwm.c +++ b/xwayland/xwm.c @@ -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); + } +} -- cgit v1.2.3