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Always unmap before destroying surface

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emersion 2018-04-11 23:09:13 -04:00
parent 7efd9885b6
commit 8dec7036d0
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GPG key ID: 0FDE7BE0E88F5E48
4 changed files with 59 additions and 25 deletions
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10
include/wlr/types/wlr_xdg_shell.h
View file

@ -102,6 +102,16 @@ struct wlr_xdg_surface_configure {
struct wlr_xdg_toplevel_state *toplevel_state;
};
/**
* An xdg-surface is a user interface element requiring management by the
* compositor. An xdg-surface alone isn't useful, a role should be assigned to
* it in order to map it.
*
* When a surface has a role and is ready to be displayed, the `map` event is
* emitted. When a surface should no longer be displayed, the `unmap` event is
* emitted. The `unmap` event is guaranted to be emitted before the `destroy`
* event if the view is destroyed when mapped.
*/
struct wlr_xdg_surface {
struct wlr_xdg_client *client;
struct wl_resource *resource;

10
include/wlr/types/wlr_xdg_shell_v6.h
View file

@ -90,6 +90,16 @@ struct wlr_xdg_toplevel_v6_state {
uint32_t min_width, min_height;
};
/**
* An xdg-surface is a user interface element requiring management by the
* compositor. An xdg-surface alone isn't useful, a role should be assigned to
* it in order to map it.
*
* When a surface has a role and is ready to be displayed, the `map` event is
* emitted. When a surface should no longer be displayed, the `unmap` event is
* emitted. The `unmap` event is guaranted to be emitted before the `destroy`
* event if the view is destroyed when mapped.
*/
struct wlr_xdg_toplevel_v6 {
struct wl_resource *resource;
struct wlr_xdg_surface_v6 *base;

12
include/wlr/xwayland.h
View file

@ -75,6 +75,15 @@ struct wlr_xwayland_surface_size_hints {
uint32_t win_gravity;
};
/**
* An Xwayland user interface component. It has an absolute position in
* layout-local coordinates.
*
* When a surface is ready to be displayed, the `map` event is emitted. When a
* surface should no longer be displayed, the `unmap` event is emitted. The
* `unmap` event is guaranted to be emitted before the `destroy` event if the
* view is destroyed when mapped.
*/
struct wlr_xwayland_surface {
xcb_window_t window_id;
struct wlr_xwm *xwm;
@ -116,8 +125,7 @@ struct wlr_xwayland_surface {
// _NET_WM_STATE
bool fullscreen;
bool maximized_vert;
bool maximized_horz;
bool maximized_vert, maximized_horz;
bool has_alpha;

52
xwayland/xwm.c
View file

@ -273,8 +273,12 @@ static void xsurface_set_net_wm_state(struct wlr_xwayland_surface *xsurface) {
i, property);
}
static void xsurface_unmap(struct wlr_xwayland_surface *surface);
static void wlr_xwayland_surface_destroy(
struct wlr_xwayland_surface *xsurface) {
xsurface_unmap(xsurface);
wlr_signal_emit_safe(&xsurface->events.destroy, xsurface);
if (xsurface == xsurface->xwm->focus_surface) {
@ -618,7 +622,8 @@ static void handle_surface_commit(struct wlr_surface *wlr_surface,
if (!xsurface->added &&
wlr_surface_has_buffer(xsurface->surface) &&
xsurface->mapped) {
wlr_signal_emit_safe(&xsurface->xwm->xwayland->events.new_surface, xsurface);
wlr_signal_emit_safe(&xsurface->xwm->xwayland->events.new_surface,
xsurface);
xsurface->added = true;
}
}
@ -626,9 +631,7 @@ static void handle_surface_commit(struct wlr_surface *wlr_surface,
static void handle_surface_destroy(struct wl_listener *listener, void *data) {
struct wlr_xwayland_surface *xsurface =
wl_container_of(listener, xsurface, surface_destroy);
xsurface->surface = NULL;
// TODO destroy xwayland surface?
xsurface_unmap(xsurface);
}
static void xwm_map_shell_surface(struct wlr_xwm *xwm,
@ -665,6 +668,27 @@ static void xwm_map_shell_surface(struct wlr_xwm *xwm,
wlr_signal_emit_safe(&xsurface->events.map, xsurface);
}
static void xsurface_unmap(struct wlr_xwayland_surface *surface) {
if (surface->mapped) {
surface->mapped = false;
wlr_signal_emit_safe(&surface->events.unmap, surface);
}
if (surface->surface_id) {
// Make sure we're not on the unpaired surface list or we
// could be assigned a surface during surface creation that
// was mapped before this unmap request.
wl_list_remove(&surface->unpaired_link);
surface->surface_id = 0;
}
if (surface->surface) {
wlr_surface_set_role_committed(surface->surface, NULL, NULL);
wl_list_remove(&surface->surface_destroy.link);
surface->surface = NULL;
}
}
static void xwm_handle_create_notify(struct wlr_xwm *xwm,
xcb_create_notify_event_t *ev) {
wlr_log(L_DEBUG, "XCB_CREATE_NOTIFY (%u)", ev->window);
@ -778,25 +802,7 @@ static void xwm_handle_unmap_notify(struct wlr_xwm *xwm,
return;
}
if (xsurface->mapped) {
xsurface->mapped = false;
wlr_signal_emit_safe(&xsurface->events.unmap, xsurface);
}
if (xsurface->surface_id) {
// Make sure we're not on the unpaired surface list or we
// could be assigned a surface during surface creation that
// was mapped before this unmap request.
wl_list_remove(&xsurface->unpaired_link);
xsurface->surface_id = 0;
}
if (xsurface->surface) {
wlr_surface_set_role_committed(xsurface->surface, NULL, NULL);
wl_list_remove(&xsurface->surface_destroy.link);
}
xsurface->surface = NULL;
xsurface_unmap(xsurface);
xsurface_set_wm_state(xsurface, ICCCM_WITHDRAWN_STATE);
}